extern void __VERIFIER_error() __attribute__ ((__noreturn__)); /* Generated by CIL v. 1.5.1 */ /* print_CIL_Input is false */ typedef unsigned char __u8; typedef unsigned short __u16; typedef int __s32; typedef unsigned int __u32; typedef unsigned long long __u64; typedef signed char s8; typedef unsigned char u8; typedef unsigned short u16; typedef int s32; typedef unsigned int u32; typedef long long s64; typedef unsigned long long u64; typedef long __kernel_long_t; typedef unsigned long __kernel_ulong_t; typedef int __kernel_pid_t; typedef int __kernel_daddr_t; typedef unsigned int __kernel_uid32_t; typedef unsigned int __kernel_gid32_t; typedef __kernel_ulong_t __kernel_size_t; typedef __kernel_long_t __kernel_ssize_t; typedef long long __kernel_loff_t; typedef __kernel_long_t __kernel_time_t; typedef __kernel_long_t __kernel_clock_t; typedef int __kernel_timer_t; typedef int __kernel_clockid_t; struct kernel_symbol { unsigned long value ; char const *name ; }; struct module; typedef __u32 __kernel_dev_t; typedef __kernel_dev_t dev_t; typedef unsigned short umode_t; typedef __kernel_pid_t pid_t; typedef __kernel_clockid_t clockid_t; typedef _Bool bool; typedef __kernel_uid32_t uid_t; typedef __kernel_gid32_t gid_t; typedef __kernel_loff_t loff_t; typedef __kernel_size_t size_t; typedef __kernel_ssize_t ssize_t; typedef __kernel_time_t time_t; typedef __s32 int32_t; typedef __u32 uint32_t; typedef unsigned long sector_t; typedef unsigned long blkcnt_t; typedef u64 dma_addr_t; typedef unsigned int gfp_t; typedef unsigned int fmode_t; typedef unsigned int oom_flags_t; struct __anonstruct_atomic_t_6 { int counter ; }; typedef struct __anonstruct_atomic_t_6 atomic_t; struct __anonstruct_atomic64_t_7 { long counter ; }; typedef struct __anonstruct_atomic64_t_7 atomic64_t; struct list_head { struct list_head *next ; struct list_head *prev ; }; struct hlist_node; struct hlist_head { struct hlist_node *first ; }; struct hlist_node { struct hlist_node *next ; struct hlist_node **pprev ; }; struct callback_head { struct callback_head *next ; void (*func)(struct callback_head * ) ; }; struct pt_regs { unsigned long r15 ; unsigned long r14 ; unsigned long r13 ; unsigned long r12 ; unsigned long bp ; unsigned long bx ; unsigned long r11 ; unsigned long r10 ; unsigned long r9 ; unsigned long r8 ; unsigned long ax ; unsigned long cx ; unsigned long dx ; unsigned long si ; unsigned long di ; unsigned long orig_ax ; unsigned long ip ; unsigned long cs ; unsigned long flags ; unsigned long sp ; unsigned long ss ; }; struct __anonstruct____missing_field_name_9 { unsigned int a ; unsigned int b ; }; struct __anonstruct____missing_field_name_10 { u16 limit0 ; u16 base0 ; unsigned char base1 ; unsigned char type : 4 ; unsigned char s : 1 ; unsigned char dpl : 2 ; unsigned char p : 1 ; unsigned char limit : 4 ; unsigned char avl : 1 ; unsigned char l : 1 ; unsigned char d : 1 ; unsigned char g : 1 ; unsigned char base2 ; }; union __anonunion____missing_field_name_8 { struct __anonstruct____missing_field_name_9 __annonCompField4 ; struct __anonstruct____missing_field_name_10 __annonCompField5 ; }; struct desc_struct { union __anonunion____missing_field_name_8 __annonCompField6 ; }; typedef unsigned long pteval_t; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; struct __anonstruct_pte_t_11 { pteval_t pte ; }; typedef struct __anonstruct_pte_t_11 pte_t; struct pgprot { pgprotval_t pgprot ; }; typedef struct pgprot pgprot_t; struct __anonstruct_pgd_t_12 { pgdval_t pgd ; }; typedef struct __anonstruct_pgd_t_12 pgd_t; struct page; typedef struct page *pgtable_t; struct file; struct seq_file; struct thread_struct; struct mm_struct; struct task_struct; struct cpumask; struct qspinlock { atomic_t val ; }; typedef struct qspinlock arch_spinlock_t; struct qrwlock { atomic_t cnts ; arch_spinlock_t lock ; }; typedef struct qrwlock arch_rwlock_t; typedef void (*ctor_fn_t)(void); struct device; struct file_operations; struct completion; struct bug_entry { int bug_addr_disp ; int file_disp ; unsigned short line ; unsigned short flags ; }; struct timespec; struct compat_timespec; struct __anonstruct_futex_16 { u32 *uaddr ; u32 val ; u32 flags ; u32 bitset ; u64 time ; u32 *uaddr2 ; }; struct __anonstruct_nanosleep_17 { clockid_t clockid ; struct timespec *rmtp ; struct compat_timespec *compat_rmtp ; u64 expires ; }; struct pollfd; struct __anonstruct_poll_18 { struct pollfd *ufds ; int nfds ; int has_timeout ; unsigned long tv_sec ; unsigned long tv_nsec ; }; union __anonunion____missing_field_name_15 { struct __anonstruct_futex_16 futex ; struct __anonstruct_nanosleep_17 nanosleep ; struct __anonstruct_poll_18 poll ; }; struct restart_block { long (*fn)(struct restart_block * ) ; union __anonunion____missing_field_name_15 __annonCompField7 ; }; struct kernel_vm86_regs { struct pt_regs pt ; unsigned short es ; unsigned short __esh ; unsigned short ds ; unsigned short __dsh ; unsigned short fs ; unsigned short __fsh ; unsigned short gs ; unsigned short __gsh ; }; union __anonunion____missing_field_name_19 { struct pt_regs *regs ; struct kernel_vm86_regs *vm86 ; }; struct math_emu_info { long ___orig_eip ; union __anonunion____missing_field_name_19 __annonCompField8 ; }; struct cpumask { unsigned long bits[128U] ; }; typedef struct cpumask cpumask_t; typedef struct cpumask *cpumask_var_t; struct fregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u32 status ; }; struct __anonstruct____missing_field_name_29 { u64 rip ; u64 rdp ; }; struct __anonstruct____missing_field_name_30 { u32 fip ; u32 fcs ; u32 foo ; u32 fos ; }; union __anonunion____missing_field_name_28 { struct __anonstruct____missing_field_name_29 __annonCompField12 ; struct __anonstruct____missing_field_name_30 __annonCompField13 ; }; union __anonunion____missing_field_name_31 { u32 padding1[12U] ; u32 sw_reserved[12U] ; }; struct fxregs_state { u16 cwd ; u16 swd ; u16 twd ; u16 fop ; union __anonunion____missing_field_name_28 __annonCompField14 ; u32 mxcsr ; u32 mxcsr_mask ; u32 st_space[32U] ; u32 xmm_space[64U] ; u32 padding[12U] ; union __anonunion____missing_field_name_31 __annonCompField15 ; }; struct swregs_state { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u8 ftop ; u8 changed ; u8 lookahead ; u8 no_update ; u8 rm ; u8 alimit ; struct math_emu_info *info ; u32 entry_eip ; }; struct xstate_header { u64 xfeatures ; u64 xcomp_bv ; u64 reserved[6U] ; }; struct xregs_state { struct fxregs_state i387 ; struct xstate_header header ; u8 __reserved[464U] ; }; union fpregs_state { struct fregs_state fsave ; struct fxregs_state fxsave ; struct swregs_state soft ; struct xregs_state xsave ; }; struct fpu { union fpregs_state state ; unsigned int last_cpu ; unsigned char fpstate_active ; unsigned char fpregs_active ; unsigned char counter ; }; struct seq_operations; struct perf_event; struct thread_struct { struct desc_struct tls_array[3U] ; unsigned long sp0 ; unsigned long sp ; unsigned short es ; unsigned short ds ; unsigned short fsindex ; unsigned short gsindex ; unsigned long fs ; unsigned long gs ; struct fpu fpu ; struct perf_event *ptrace_bps[4U] ; unsigned long debugreg6 ; unsigned long ptrace_dr7 ; unsigned long cr2 ; unsigned long trap_nr ; unsigned long error_code ; unsigned long *io_bitmap_ptr ; unsigned long iopl ; unsigned int io_bitmap_max ; }; struct __anonstruct_mm_segment_t_33 { unsigned long seg ; }; typedef struct __anonstruct_mm_segment_t_33 mm_segment_t; typedef atomic64_t atomic_long_t; struct thread_info { struct task_struct *task ; __u32 flags ; __u32 status ; __u32 cpu ; int saved_preempt_count ; mm_segment_t addr_limit ; void *sysenter_return ; unsigned char sig_on_uaccess_error : 1 ; unsigned char uaccess_err : 1 ; }; typedef int pao_T_____0; struct lockdep_map; struct stack_trace { unsigned int nr_entries ; unsigned int max_entries ; unsigned long *entries ; int skip ; }; struct lockdep_subclass_key { char __one_byte ; }; struct lock_class_key { struct lockdep_subclass_key subkeys[8U] ; }; struct lock_class { struct list_head hash_entry ; struct list_head lock_entry ; struct lockdep_subclass_key *key ; unsigned int subclass ; unsigned int dep_gen_id ; unsigned long usage_mask ; struct stack_trace usage_traces[13U] ; struct list_head locks_after ; struct list_head locks_before ; unsigned int version ; unsigned long ops ; char const *name ; int name_version ; unsigned long contention_point[4U] ; unsigned long contending_point[4U] ; }; struct lockdep_map { struct lock_class_key *key ; struct lock_class *class_cache[2U] ; char const *name ; int cpu ; unsigned long ip ; }; struct held_lock { u64 prev_chain_key ; unsigned long acquire_ip ; struct lockdep_map *instance ; struct lockdep_map *nest_lock ; u64 waittime_stamp ; u64 holdtime_stamp ; unsigned short class_idx : 13 ; unsigned char irq_context : 2 ; unsigned char trylock : 1 ; unsigned char read : 2 ; unsigned char check : 1 ; unsigned char hardirqs_off : 1 ; unsigned short references : 12 ; unsigned int pin_count ; }; struct raw_spinlock { arch_spinlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct raw_spinlock raw_spinlock_t; struct __anonstruct____missing_field_name_35 { u8 __padding[24U] ; struct lockdep_map dep_map ; }; union __anonunion____missing_field_name_34 { struct raw_spinlock rlock ; struct __anonstruct____missing_field_name_35 __annonCompField17 ; }; struct spinlock { union __anonunion____missing_field_name_34 __annonCompField18 ; }; typedef struct spinlock spinlock_t; struct __anonstruct_rwlock_t_36 { arch_rwlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct __anonstruct_rwlock_t_36 rwlock_t; struct seqcount { unsigned int sequence ; struct lockdep_map dep_map ; }; typedef struct seqcount seqcount_t; struct __anonstruct_seqlock_t_45 { struct seqcount seqcount ; spinlock_t lock ; }; typedef struct __anonstruct_seqlock_t_45 seqlock_t; struct timespec { __kernel_time_t tv_sec ; long tv_nsec ; }; struct user_namespace; struct __anonstruct_kuid_t_46 { uid_t val ; }; typedef struct __anonstruct_kuid_t_46 kuid_t; struct __anonstruct_kgid_t_47 { gid_t val ; }; typedef struct __anonstruct_kgid_t_47 kgid_t; struct kstat { u64 ino ; dev_t dev ; umode_t mode ; unsigned int nlink ; kuid_t uid ; kgid_t gid ; dev_t rdev ; loff_t size ; struct timespec atime ; struct timespec mtime ; struct timespec ctime ; unsigned long blksize ; unsigned long long blocks ; }; struct vm_area_struct; struct __wait_queue_head { spinlock_t lock ; struct list_head task_list ; }; typedef struct __wait_queue_head wait_queue_head_t; struct __anonstruct_nodemask_t_48 { unsigned long bits[16U] ; }; typedef struct __anonstruct_nodemask_t_48 nodemask_t; struct optimistic_spin_queue { atomic_t tail ; }; struct mutex { atomic_t count ; spinlock_t wait_lock ; struct list_head wait_list ; struct task_struct *owner ; void *magic ; struct lockdep_map dep_map ; }; struct mutex_waiter { struct list_head list ; struct task_struct *task ; void *magic ; }; struct rw_semaphore; struct rw_semaphore { long count ; struct list_head wait_list ; raw_spinlock_t wait_lock ; struct optimistic_spin_queue osq ; struct task_struct *owner ; struct lockdep_map dep_map ; }; struct completion { unsigned int done ; wait_queue_head_t wait ; }; union ktime { s64 tv64 ; }; typedef union ktime ktime_t; struct timer_list { struct hlist_node entry ; unsigned long expires ; void (*function)(unsigned long ) ; unsigned long data ; u32 flags ; int slack ; int start_pid ; void *start_site ; char start_comm[16U] ; struct lockdep_map lockdep_map ; }; struct hrtimer; enum hrtimer_restart; struct rb_node { unsigned long __rb_parent_color ; struct rb_node *rb_right ; struct rb_node *rb_left ; }; struct rb_root { struct rb_node *rb_node ; }; struct nsproxy; struct workqueue_struct; struct work_struct; struct work_struct { atomic_long_t data ; struct list_head entry ; void (*func)(struct work_struct * ) ; struct lockdep_map lockdep_map ; }; struct delayed_work { struct work_struct work ; struct timer_list timer ; struct workqueue_struct *wq ; int cpu ; }; struct execute_work { struct work_struct work ; }; struct pm_message { int event ; }; typedef struct pm_message pm_message_t; struct dev_pm_ops { int (*prepare)(struct device * ) ; void (*complete)(struct device * ) ; int (*suspend)(struct device * ) ; int (*resume)(struct device * ) ; int (*freeze)(struct device * ) ; int (*thaw)(struct device * ) ; int (*poweroff)(struct device * ) ; int (*restore)(struct device * ) ; int (*suspend_late)(struct device * ) ; int (*resume_early)(struct device * ) ; int (*freeze_late)(struct device * ) ; int (*thaw_early)(struct device * ) ; int (*poweroff_late)(struct device * ) ; int (*restore_early)(struct device * ) ; int (*suspend_noirq)(struct device * ) ; int (*resume_noirq)(struct device * ) ; int (*freeze_noirq)(struct device * ) ; int (*thaw_noirq)(struct device * ) ; int (*poweroff_noirq)(struct device * ) ; int (*restore_noirq)(struct device * ) ; int (*runtime_suspend)(struct device * ) ; int (*runtime_resume)(struct device * ) ; int (*runtime_idle)(struct device * ) ; }; enum rpm_status { RPM_ACTIVE = 0, RPM_RESUMING = 1, RPM_SUSPENDED = 2, RPM_SUSPENDING = 3 } ; enum rpm_request { RPM_REQ_NONE = 0, RPM_REQ_IDLE = 1, RPM_REQ_SUSPEND = 2, RPM_REQ_AUTOSUSPEND = 3, RPM_REQ_RESUME = 4 } ; struct wakeup_source; struct wake_irq; struct pm_subsys_data { spinlock_t lock ; unsigned int refcount ; struct list_head clock_list ; }; struct dev_pm_qos; struct dev_pm_info { pm_message_t power_state ; unsigned char can_wakeup : 1 ; unsigned char async_suspend : 1 ; bool is_prepared ; bool is_suspended ; bool is_noirq_suspended ; bool is_late_suspended ; bool ignore_children ; bool early_init ; bool direct_complete ; spinlock_t lock ; struct list_head entry ; struct completion completion ; struct wakeup_source *wakeup ; bool wakeup_path ; bool syscore ; struct timer_list suspend_timer ; unsigned long timer_expires ; struct work_struct work ; wait_queue_head_t wait_queue ; struct wake_irq *wakeirq ; atomic_t usage_count ; atomic_t child_count ; unsigned char disable_depth : 3 ; unsigned char idle_notification : 1 ; unsigned char request_pending : 1 ; unsigned char deferred_resume : 1 ; unsigned char run_wake : 1 ; unsigned char runtime_auto : 1 ; unsigned char no_callbacks : 1 ; unsigned char irq_safe : 1 ; unsigned char use_autosuspend : 1 ; unsigned char timer_autosuspends : 1 ; unsigned char memalloc_noio : 1 ; enum rpm_request request ; enum rpm_status runtime_status ; int runtime_error ; int autosuspend_delay ; unsigned long last_busy ; unsigned long active_jiffies ; unsigned long suspended_jiffies ; unsigned long accounting_timestamp ; struct pm_subsys_data *subsys_data ; void (*set_latency_tolerance)(struct device * , s32 ) ; struct dev_pm_qos *qos ; }; struct dev_pm_domain { struct dev_pm_ops ops ; void (*detach)(struct device * , bool ) ; int (*activate)(struct device * ) ; void (*sync)(struct device * ) ; void (*dismiss)(struct device * ) ; }; struct __anonstruct_mm_context_t_115 { void *ldt ; int size ; unsigned short ia32_compat ; struct mutex lock ; void *vdso ; atomic_t perf_rdpmc_allowed ; }; typedef struct __anonstruct_mm_context_t_115 mm_context_t; struct bio_vec; struct llist_node; struct llist_node { struct llist_node *next ; }; struct call_single_data { struct llist_node llist ; void (*func)(void * ) ; void *info ; unsigned int flags ; }; struct cred; struct inode; struct arch_uprobe_task { unsigned long saved_scratch_register ; unsigned int saved_trap_nr ; unsigned int saved_tf ; }; enum uprobe_task_state { UTASK_RUNNING = 0, UTASK_SSTEP = 1, UTASK_SSTEP_ACK = 2, UTASK_SSTEP_TRAPPED = 3 } ; struct __anonstruct____missing_field_name_148 { struct arch_uprobe_task autask ; unsigned long vaddr ; }; struct __anonstruct____missing_field_name_149 { struct callback_head dup_xol_work ; unsigned long dup_xol_addr ; }; union __anonunion____missing_field_name_147 { struct __anonstruct____missing_field_name_148 __annonCompField33 ; struct __anonstruct____missing_field_name_149 __annonCompField34 ; }; struct uprobe; struct return_instance; struct uprobe_task { enum uprobe_task_state state ; union __anonunion____missing_field_name_147 __annonCompField35 ; struct uprobe *active_uprobe ; unsigned long xol_vaddr ; struct return_instance *return_instances ; unsigned int depth ; }; struct xol_area; struct uprobes_state { struct xol_area *xol_area ; }; struct address_space; struct mem_cgroup; typedef void compound_page_dtor(struct page * ); union __anonunion____missing_field_name_150 { struct address_space *mapping ; void *s_mem ; }; union __anonunion____missing_field_name_152 { unsigned long index ; void *freelist ; bool pfmemalloc ; }; struct __anonstruct____missing_field_name_156 { unsigned short inuse ; unsigned short objects : 15 ; unsigned char frozen : 1 ; }; union __anonunion____missing_field_name_155 { atomic_t _mapcount ; struct __anonstruct____missing_field_name_156 __annonCompField38 ; int units ; }; struct __anonstruct____missing_field_name_154 { union __anonunion____missing_field_name_155 __annonCompField39 ; atomic_t _count ; }; union __anonunion____missing_field_name_153 { unsigned long counters ; struct __anonstruct____missing_field_name_154 __annonCompField40 ; unsigned int active ; }; struct __anonstruct____missing_field_name_151 { union __anonunion____missing_field_name_152 __annonCompField37 ; union __anonunion____missing_field_name_153 __annonCompField41 ; }; struct __anonstruct____missing_field_name_158 { struct page *next ; int pages ; int pobjects ; }; struct slab; struct __anonstruct____missing_field_name_159 { compound_page_dtor *compound_dtor ; unsigned long compound_order ; }; union __anonunion____missing_field_name_157 { struct list_head lru ; struct __anonstruct____missing_field_name_158 __annonCompField43 ; struct slab *slab_page ; struct callback_head callback_head ; struct __anonstruct____missing_field_name_159 __annonCompField44 ; pgtable_t pmd_huge_pte ; }; struct kmem_cache; union __anonunion____missing_field_name_160 { unsigned long private ; spinlock_t *ptl ; struct kmem_cache *slab_cache ; struct page *first_page ; }; struct page { unsigned long flags ; union __anonunion____missing_field_name_150 __annonCompField36 ; struct __anonstruct____missing_field_name_151 __annonCompField42 ; union __anonunion____missing_field_name_157 __annonCompField45 ; union __anonunion____missing_field_name_160 __annonCompField46 ; struct mem_cgroup *mem_cgroup ; }; struct page_frag { struct page *page ; __u32 offset ; __u32 size ; }; struct __anonstruct_shared_161 { struct rb_node rb ; unsigned long rb_subtree_last ; }; struct anon_vma; struct vm_operations_struct; struct mempolicy; struct vm_area_struct { unsigned long vm_start ; unsigned long vm_end ; struct vm_area_struct *vm_next ; struct vm_area_struct *vm_prev ; struct rb_node vm_rb ; unsigned long rb_subtree_gap ; struct mm_struct *vm_mm ; pgprot_t vm_page_prot ; unsigned long vm_flags ; struct __anonstruct_shared_161 shared ; struct list_head anon_vma_chain ; struct anon_vma *anon_vma ; struct vm_operations_struct const *vm_ops ; unsigned long vm_pgoff ; struct file *vm_file ; void *vm_private_data ; struct mempolicy *vm_policy ; }; struct core_thread { struct task_struct *task ; struct core_thread *next ; }; struct core_state { atomic_t nr_threads ; struct core_thread dumper ; struct completion startup ; }; struct task_rss_stat { int events ; int count[3U] ; }; struct mm_rss_stat { atomic_long_t count[3U] ; }; struct kioctx_table; struct linux_binfmt; struct mmu_notifier_mm; struct mm_struct { struct vm_area_struct *mmap ; struct rb_root mm_rb ; u32 vmacache_seqnum ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; unsigned long mmap_base ; unsigned long mmap_legacy_base ; unsigned long task_size ; unsigned long highest_vm_end ; pgd_t *pgd ; atomic_t mm_users ; atomic_t mm_count ; atomic_long_t nr_ptes ; atomic_long_t nr_pmds ; int map_count ; spinlock_t page_table_lock ; struct rw_semaphore mmap_sem ; struct list_head mmlist ; unsigned long hiwater_rss ; unsigned long hiwater_vm ; unsigned long total_vm ; unsigned long locked_vm ; unsigned long pinned_vm ; unsigned long shared_vm ; unsigned long exec_vm ; unsigned long stack_vm ; unsigned long def_flags ; unsigned long start_code ; unsigned long end_code ; unsigned long start_data ; unsigned long end_data ; unsigned long start_brk ; unsigned long brk ; unsigned long start_stack ; unsigned long arg_start ; unsigned long arg_end ; unsigned long env_start ; unsigned long env_end ; unsigned long saved_auxv[46U] ; struct mm_rss_stat rss_stat ; struct linux_binfmt *binfmt ; cpumask_var_t cpu_vm_mask_var ; mm_context_t context ; unsigned long flags ; struct core_state *core_state ; spinlock_t ioctx_lock ; struct kioctx_table *ioctx_table ; struct task_struct *owner ; struct file *exe_file ; struct mmu_notifier_mm *mmu_notifier_mm ; struct cpumask cpumask_allocation ; unsigned long numa_next_scan ; unsigned long numa_scan_offset ; int numa_scan_seq ; bool tlb_flush_pending ; struct uprobes_state uprobes_state ; void *bd_addr ; }; typedef __u64 Elf64_Addr; typedef __u16 Elf64_Half; typedef __u32 Elf64_Word; typedef __u64 Elf64_Xword; struct elf64_sym { Elf64_Word st_name ; unsigned char st_info ; unsigned char st_other ; Elf64_Half st_shndx ; Elf64_Addr st_value ; Elf64_Xword st_size ; }; typedef struct elf64_sym Elf64_Sym; union __anonunion____missing_field_name_166 { unsigned long bitmap[4U] ; struct callback_head callback_head ; }; struct idr_layer { int prefix ; int layer ; struct idr_layer *ary[256U] ; int count ; union __anonunion____missing_field_name_166 __annonCompField47 ; }; struct idr { struct idr_layer *hint ; struct idr_layer *top ; int layers ; int cur ; spinlock_t lock ; int id_free_cnt ; struct idr_layer *id_free ; }; union __anonunion___u_168 { struct idr_layer *__val ; char __c[1U] ; }; union __anonunion___u_170 { struct idr_layer *__val ; char __c[1U] ; }; struct ida_bitmap { long nr_busy ; unsigned long bitmap[15U] ; }; struct ida { struct idr idr ; struct ida_bitmap *free_bitmap ; }; struct dentry; struct iattr; struct super_block; struct file_system_type; struct kernfs_open_node; struct kernfs_iattrs; struct kernfs_root; struct kernfs_elem_dir { unsigned long subdirs ; struct rb_root children ; struct kernfs_root *root ; }; struct kernfs_node; struct kernfs_elem_symlink { struct kernfs_node *target_kn ; }; struct kernfs_ops; struct kernfs_elem_attr { struct kernfs_ops const *ops ; struct kernfs_open_node *open ; loff_t size ; struct kernfs_node *notify_next ; }; union __anonunion____missing_field_name_171 { struct kernfs_elem_dir dir ; struct kernfs_elem_symlink symlink ; struct kernfs_elem_attr attr ; }; struct kernfs_node { atomic_t count ; atomic_t active ; struct lockdep_map dep_map ; struct kernfs_node *parent ; char const *name ; struct rb_node rb ; void const *ns ; unsigned int hash ; union __anonunion____missing_field_name_171 __annonCompField48 ; void *priv ; unsigned short flags ; umode_t mode ; unsigned int ino ; struct kernfs_iattrs *iattr ; }; struct kernfs_syscall_ops { int (*remount_fs)(struct kernfs_root * , int * , char * ) ; int (*show_options)(struct seq_file * , struct kernfs_root * ) ; int (*mkdir)(struct kernfs_node * , char const * , umode_t ) ; int (*rmdir)(struct kernfs_node * ) ; int (*rename)(struct kernfs_node * , struct kernfs_node * , char const * ) ; }; struct kernfs_root { struct kernfs_node *kn ; unsigned int flags ; struct ida ino_ida ; struct kernfs_syscall_ops *syscall_ops ; struct list_head supers ; wait_queue_head_t deactivate_waitq ; }; struct kernfs_open_file { struct kernfs_node *kn ; struct file *file ; void *priv ; struct mutex mutex ; int event ; struct list_head list ; char *prealloc_buf ; size_t atomic_write_len ; bool mmapped ; struct vm_operations_struct const *vm_ops ; }; struct kernfs_ops { int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; ssize_t (*read)(struct kernfs_open_file * , char * , size_t , loff_t ) ; size_t atomic_write_len ; bool prealloc ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; int (*mmap)(struct kernfs_open_file * , struct vm_area_struct * ) ; struct lock_class_key lockdep_key ; }; struct sock; struct kobject; enum kobj_ns_type { KOBJ_NS_TYPE_NONE = 0, KOBJ_NS_TYPE_NET = 1, KOBJ_NS_TYPES = 2 } ; struct kobj_ns_type_operations { enum kobj_ns_type type ; bool (*current_may_mount)(void) ; void *(*grab_current_ns)(void) ; void const *(*netlink_ns)(struct sock * ) ; void const *(*initial_ns)(void) ; void (*drop_ns)(void * ) ; }; struct bin_attribute; struct attribute { char const *name ; umode_t mode ; bool ignore_lockdep ; struct lock_class_key *key ; struct lock_class_key skey ; }; struct attribute_group { char const *name ; umode_t (*is_visible)(struct kobject * , struct attribute * , int ) ; struct attribute **attrs ; struct bin_attribute **bin_attrs ; }; struct bin_attribute { struct attribute attr ; size_t size ; void *private ; ssize_t (*read)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; ssize_t (*write)(struct file * , struct kobject * , struct bin_attribute * , char * , loff_t , size_t ) ; int (*mmap)(struct file * , struct kobject * , struct bin_attribute * , struct vm_area_struct * ) ; }; struct sysfs_ops { ssize_t (*show)(struct kobject * , struct attribute * , char * ) ; ssize_t (*store)(struct kobject * , struct attribute * , char const * , size_t ) ; }; struct kref { atomic_t refcount ; }; struct kset; struct kobj_type; struct kobject { char const *name ; struct list_head entry ; struct kobject *parent ; struct kset *kset ; struct kobj_type *ktype ; struct kernfs_node *sd ; struct kref kref ; struct delayed_work release ; unsigned char state_initialized : 1 ; unsigned char state_in_sysfs : 1 ; unsigned char state_add_uevent_sent : 1 ; unsigned char state_remove_uevent_sent : 1 ; unsigned char uevent_suppress : 1 ; }; struct kobj_type { void (*release)(struct kobject * ) ; struct sysfs_ops const *sysfs_ops ; struct attribute **default_attrs ; struct kobj_ns_type_operations const *(*child_ns_type)(struct kobject * ) ; void const *(*namespace)(struct kobject * ) ; }; struct kobj_uevent_env { char *argv[3U] ; char *envp[32U] ; int envp_idx ; char buf[2048U] ; int buflen ; }; struct kset_uevent_ops { int (* const filter)(struct kset * , struct kobject * ) ; char const *(* const name)(struct kset * , struct kobject * ) ; int (* const uevent)(struct kset * , struct kobject * , struct kobj_uevent_env * ) ; }; struct kset { struct list_head list ; spinlock_t list_lock ; struct kobject kobj ; struct kset_uevent_ops const *uevent_ops ; }; struct kernel_param; struct kernel_param_ops { unsigned int flags ; int (*set)(char const * , struct kernel_param const * ) ; int (*get)(char * , struct kernel_param const * ) ; void (*free)(void * ) ; }; struct kparam_string; struct kparam_array; union __anonunion____missing_field_name_172 { void *arg ; struct kparam_string const *str ; struct kparam_array const *arr ; }; struct kernel_param { char const *name ; struct module *mod ; struct kernel_param_ops const *ops ; u16 const perm ; s8 level ; u8 flags ; union __anonunion____missing_field_name_172 __annonCompField49 ; }; struct kparam_string { unsigned int maxlen ; char *string ; }; struct kparam_array { unsigned int max ; unsigned int elemsize ; unsigned int *num ; struct kernel_param_ops const *ops ; void *elem ; }; struct latch_tree_node { struct rb_node node[2U] ; }; struct mod_arch_specific { }; struct module_param_attrs; struct module_kobject { struct kobject kobj ; struct module *mod ; struct kobject *drivers_dir ; struct module_param_attrs *mp ; struct completion *kobj_completion ; }; struct module_attribute { struct attribute attr ; ssize_t (*show)(struct module_attribute * , struct module_kobject * , char * ) ; ssize_t (*store)(struct module_attribute * , struct module_kobject * , char const * , size_t ) ; void (*setup)(struct module * , char const * ) ; int (*test)(struct module * ) ; void (*free)(struct module * ) ; }; struct exception_table_entry; enum module_state { MODULE_STATE_LIVE = 0, MODULE_STATE_COMING = 1, MODULE_STATE_GOING = 2, MODULE_STATE_UNFORMED = 3 } ; struct mod_tree_node { struct module *mod ; struct latch_tree_node node ; }; struct module_sect_attrs; struct module_notes_attrs; struct tracepoint; struct trace_event_call; struct trace_enum_map; struct module { enum module_state state ; struct list_head list ; char name[56U] ; struct module_kobject mkobj ; struct module_attribute *modinfo_attrs ; char const *version ; char const *srcversion ; struct kobject *holders_dir ; struct kernel_symbol const *syms ; unsigned long const *crcs ; unsigned int num_syms ; struct mutex param_lock ; struct kernel_param *kp ; unsigned int num_kp ; unsigned int num_gpl_syms ; struct kernel_symbol const *gpl_syms ; unsigned long const *gpl_crcs ; struct kernel_symbol const *unused_syms ; unsigned long const *unused_crcs ; unsigned int num_unused_syms ; unsigned int num_unused_gpl_syms ; struct kernel_symbol const *unused_gpl_syms ; unsigned long const *unused_gpl_crcs ; bool sig_ok ; bool async_probe_requested ; struct kernel_symbol const *gpl_future_syms ; unsigned long const *gpl_future_crcs ; unsigned int num_gpl_future_syms ; unsigned int num_exentries ; struct exception_table_entry *extable ; int (*init)(void) ; void *module_init ; void *module_core ; unsigned int init_size ; unsigned int core_size ; unsigned int init_text_size ; unsigned int core_text_size ; struct mod_tree_node mtn_core ; struct mod_tree_node mtn_init ; unsigned int init_ro_size ; unsigned int core_ro_size ; struct mod_arch_specific arch ; unsigned int taints ; unsigned int num_bugs ; struct list_head bug_list ; struct bug_entry *bug_table ; Elf64_Sym *symtab ; Elf64_Sym *core_symtab ; unsigned int num_symtab ; unsigned int core_num_syms ; char *strtab ; char *core_strtab ; struct module_sect_attrs *sect_attrs ; struct module_notes_attrs *notes_attrs ; char *args ; void *percpu ; unsigned int percpu_size ; unsigned int num_tracepoints ; struct tracepoint * const *tracepoints_ptrs ; unsigned int num_trace_bprintk_fmt ; char const **trace_bprintk_fmt_start ; struct trace_event_call **trace_events ; unsigned int num_trace_events ; struct trace_enum_map **trace_enums ; unsigned int num_trace_enums ; unsigned int num_ftrace_callsites ; unsigned long *ftrace_callsites ; bool klp_alive ; struct list_head source_list ; struct list_head target_list ; void (*exit)(void) ; atomic_t refcnt ; ctor_fn_t (**ctors)(void) ; unsigned int num_ctors ; }; struct kernel_cap_struct { __u32 cap[2U] ; }; typedef struct kernel_cap_struct kernel_cap_t; struct plist_node { int prio ; struct list_head prio_list ; struct list_head node_list ; }; typedef unsigned long cputime_t; struct sem_undo_list; struct sysv_sem { struct sem_undo_list *undo_list ; }; struct user_struct; struct sysv_shm { struct list_head shm_clist ; }; struct __anonstruct_sigset_t_180 { unsigned long sig[1U] ; }; typedef struct __anonstruct_sigset_t_180 sigset_t; struct siginfo; typedef void __signalfn_t(int ); typedef __signalfn_t *__sighandler_t; typedef void __restorefn_t(void); typedef __restorefn_t *__sigrestore_t; union sigval { int sival_int ; void *sival_ptr ; }; typedef union sigval sigval_t; struct __anonstruct__kill_182 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; }; struct __anonstruct__timer_183 { __kernel_timer_t _tid ; int _overrun ; char _pad[0U] ; sigval_t _sigval ; int _sys_private ; }; struct __anonstruct__rt_184 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; sigval_t _sigval ; }; struct __anonstruct__sigchld_185 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; int _status ; __kernel_clock_t _utime ; __kernel_clock_t _stime ; }; struct __anonstruct__addr_bnd_187 { void *_lower ; void *_upper ; }; struct __anonstruct__sigfault_186 { void *_addr ; short _addr_lsb ; struct __anonstruct__addr_bnd_187 _addr_bnd ; }; struct __anonstruct__sigpoll_188 { long _band ; int _fd ; }; struct __anonstruct__sigsys_189 { void *_call_addr ; int _syscall ; unsigned int _arch ; }; union __anonunion__sifields_181 { int _pad[28U] ; struct __anonstruct__kill_182 _kill ; struct __anonstruct__timer_183 _timer ; struct __anonstruct__rt_184 _rt ; struct __anonstruct__sigchld_185 _sigchld ; struct __anonstruct__sigfault_186 _sigfault ; struct __anonstruct__sigpoll_188 _sigpoll ; struct __anonstruct__sigsys_189 _sigsys ; }; struct siginfo { int si_signo ; int si_errno ; int si_code ; union __anonunion__sifields_181 _sifields ; }; typedef struct siginfo siginfo_t; struct sigpending { struct list_head list ; sigset_t signal ; }; struct sigaction { __sighandler_t sa_handler ; unsigned long sa_flags ; __sigrestore_t sa_restorer ; sigset_t sa_mask ; }; struct k_sigaction { struct sigaction sa ; }; enum pid_type { PIDTYPE_PID = 0, PIDTYPE_PGID = 1, PIDTYPE_SID = 2, PIDTYPE_MAX = 3 } ; struct pid_namespace; struct upid { int nr ; struct pid_namespace *ns ; struct hlist_node pid_chain ; }; struct pid { atomic_t count ; unsigned int level ; struct hlist_head tasks[3U] ; struct callback_head rcu ; struct upid numbers[1U] ; }; struct pid_link { struct hlist_node node ; struct pid *pid ; }; struct percpu_counter { raw_spinlock_t lock ; s64 count ; struct list_head list ; s32 *counters ; }; struct seccomp_filter; struct seccomp { int mode ; struct seccomp_filter *filter ; }; struct rt_mutex_waiter; struct rlimit { __kernel_ulong_t rlim_cur ; __kernel_ulong_t rlim_max ; }; struct timerqueue_node { struct rb_node node ; ktime_t expires ; }; struct timerqueue_head { struct rb_root head ; struct timerqueue_node *next ; }; struct hrtimer_clock_base; struct hrtimer_cpu_base; enum hrtimer_restart { HRTIMER_NORESTART = 0, HRTIMER_RESTART = 1 } ; struct hrtimer { struct timerqueue_node node ; ktime_t _softexpires ; enum hrtimer_restart (*function)(struct hrtimer * ) ; struct hrtimer_clock_base *base ; unsigned long state ; int start_pid ; void *start_site ; char start_comm[16U] ; }; struct hrtimer_clock_base { struct hrtimer_cpu_base *cpu_base ; int index ; clockid_t clockid ; struct timerqueue_head active ; ktime_t (*get_time)(void) ; ktime_t offset ; }; struct hrtimer_cpu_base { raw_spinlock_t lock ; seqcount_t seq ; struct hrtimer *running ; unsigned int cpu ; unsigned int active_bases ; unsigned int clock_was_set_seq ; bool migration_enabled ; bool nohz_active ; unsigned char in_hrtirq : 1 ; unsigned char hres_active : 1 ; unsigned char hang_detected : 1 ; ktime_t expires_next ; struct hrtimer *next_timer ; unsigned int nr_events ; unsigned int nr_retries ; unsigned int nr_hangs ; unsigned int max_hang_time ; struct hrtimer_clock_base clock_base[4U] ; }; struct task_io_accounting { u64 rchar ; u64 wchar ; u64 syscr ; u64 syscw ; u64 read_bytes ; u64 write_bytes ; u64 cancelled_write_bytes ; }; struct latency_record { unsigned long backtrace[12U] ; unsigned int count ; unsigned long time ; unsigned long max ; }; struct assoc_array_ptr; struct assoc_array { struct assoc_array_ptr *root ; unsigned long nr_leaves_on_tree ; }; typedef int32_t key_serial_t; typedef uint32_t key_perm_t; struct key; struct signal_struct; struct key_type; struct keyring_index_key { struct key_type *type ; char const *description ; size_t desc_len ; }; union __anonunion____missing_field_name_196 { struct list_head graveyard_link ; struct rb_node serial_node ; }; struct key_user; union __anonunion____missing_field_name_197 { time_t expiry ; time_t revoked_at ; }; struct __anonstruct____missing_field_name_199 { struct key_type *type ; char *description ; }; union __anonunion____missing_field_name_198 { struct keyring_index_key index_key ; struct __anonstruct____missing_field_name_199 __annonCompField52 ; }; union __anonunion_type_data_200 { struct list_head link ; unsigned long x[2U] ; void *p[2U] ; int reject_error ; }; union __anonunion_payload_202 { unsigned long value ; void *rcudata ; void *data ; void *data2[2U] ; }; union __anonunion____missing_field_name_201 { union __anonunion_payload_202 payload ; struct assoc_array keys ; }; struct key { atomic_t usage ; key_serial_t serial ; union __anonunion____missing_field_name_196 __annonCompField50 ; struct rw_semaphore sem ; struct key_user *user ; void *security ; union __anonunion____missing_field_name_197 __annonCompField51 ; time_t last_used_at ; kuid_t uid ; kgid_t gid ; key_perm_t perm ; unsigned short quotalen ; unsigned short datalen ; unsigned long flags ; union __anonunion____missing_field_name_198 __annonCompField53 ; union __anonunion_type_data_200 type_data ; union __anonunion____missing_field_name_201 __annonCompField54 ; }; struct audit_context; struct group_info { atomic_t usage ; int ngroups ; int nblocks ; kgid_t small_block[32U] ; kgid_t *blocks[0U] ; }; struct cred { atomic_t usage ; atomic_t subscribers ; void *put_addr ; unsigned int magic ; kuid_t uid ; kgid_t gid ; kuid_t suid ; kgid_t sgid ; kuid_t euid ; kgid_t egid ; kuid_t fsuid ; kgid_t fsgid ; unsigned int securebits ; kernel_cap_t cap_inheritable ; kernel_cap_t cap_permitted ; kernel_cap_t cap_effective ; kernel_cap_t cap_bset ; unsigned char jit_keyring ; struct key *session_keyring ; struct key *process_keyring ; struct key *thread_keyring ; struct key *request_key_auth ; void *security ; struct user_struct *user ; struct user_namespace *user_ns ; struct group_info *group_info ; struct callback_head rcu ; }; struct percpu_ref; typedef void percpu_ref_func_t(struct percpu_ref * ); struct percpu_ref { atomic_long_t count ; unsigned long percpu_count_ptr ; percpu_ref_func_t *release ; percpu_ref_func_t *confirm_switch ; bool force_atomic ; struct callback_head rcu ; }; struct cgroup; struct cgroup_root; struct cgroup_subsys; struct cgroup_taskset; struct cgroup_subsys_state { struct cgroup *cgroup ; struct cgroup_subsys *ss ; struct percpu_ref refcnt ; struct cgroup_subsys_state *parent ; struct list_head sibling ; struct list_head children ; int id ; unsigned int flags ; u64 serial_nr ; struct callback_head callback_head ; struct work_struct destroy_work ; }; struct css_set { atomic_t refcount ; struct hlist_node hlist ; struct list_head tasks ; struct list_head mg_tasks ; struct list_head cgrp_links ; struct cgroup *dfl_cgrp ; struct cgroup_subsys_state *subsys[12U] ; struct list_head mg_preload_node ; struct list_head mg_node ; struct cgroup *mg_src_cgrp ; struct css_set *mg_dst_cset ; struct list_head e_cset_node[12U] ; struct callback_head callback_head ; }; struct cgroup { struct cgroup_subsys_state self ; unsigned long flags ; int id ; int populated_cnt ; struct kernfs_node *kn ; struct kernfs_node *procs_kn ; struct kernfs_node *populated_kn ; unsigned int subtree_control ; unsigned int child_subsys_mask ; struct cgroup_subsys_state *subsys[12U] ; struct cgroup_root *root ; struct list_head cset_links ; struct list_head e_csets[12U] ; struct list_head pidlists ; struct mutex pidlist_mutex ; wait_queue_head_t offline_waitq ; struct work_struct release_agent_work ; }; struct cgroup_root { struct kernfs_root *kf_root ; unsigned int subsys_mask ; int hierarchy_id ; struct cgroup cgrp ; atomic_t nr_cgrps ; struct list_head root_list ; unsigned int flags ; struct idr cgroup_idr ; char release_agent_path[4096U] ; char name[64U] ; }; struct cftype { char name[64U] ; int private ; umode_t mode ; size_t max_write_len ; unsigned int flags ; struct cgroup_subsys *ss ; struct list_head node ; struct kernfs_ops *kf_ops ; u64 (*read_u64)(struct cgroup_subsys_state * , struct cftype * ) ; s64 (*read_s64)(struct cgroup_subsys_state * , struct cftype * ) ; int (*seq_show)(struct seq_file * , void * ) ; void *(*seq_start)(struct seq_file * , loff_t * ) ; void *(*seq_next)(struct seq_file * , void * , loff_t * ) ; void (*seq_stop)(struct seq_file * , void * ) ; int (*write_u64)(struct cgroup_subsys_state * , struct cftype * , u64 ) ; int (*write_s64)(struct cgroup_subsys_state * , struct cftype * , s64 ) ; ssize_t (*write)(struct kernfs_open_file * , char * , size_t , loff_t ) ; struct lock_class_key lockdep_key ; }; struct cgroup_subsys { struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state * ) ; int (*css_online)(struct cgroup_subsys_state * ) ; void (*css_offline)(struct cgroup_subsys_state * ) ; void (*css_released)(struct cgroup_subsys_state * ) ; void (*css_free)(struct cgroup_subsys_state * ) ; void (*css_reset)(struct cgroup_subsys_state * ) ; void (*css_e_css_changed)(struct cgroup_subsys_state * ) ; int (*can_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*cancel_attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*attach)(struct cgroup_subsys_state * , struct cgroup_taskset * ) ; void (*fork)(struct task_struct * ) ; void (*exit)(struct cgroup_subsys_state * , struct cgroup_subsys_state * , struct task_struct * ) ; void (*bind)(struct cgroup_subsys_state * ) ; int disabled ; int early_init ; bool broken_hierarchy ; bool warned_broken_hierarchy ; int id ; char const *name ; struct cgroup_root *root ; struct idr css_idr ; struct list_head cfts ; struct cftype *dfl_cftypes ; struct cftype *legacy_cftypes ; unsigned int depends_on ; }; struct futex_pi_state; struct robust_list_head; struct bio_list; struct fs_struct; struct perf_event_context; struct blk_plug; struct nameidata; struct cfs_rq; struct task_group; struct sighand_struct { atomic_t count ; struct k_sigaction action[64U] ; spinlock_t siglock ; wait_queue_head_t signalfd_wqh ; }; struct pacct_struct { int ac_flag ; long ac_exitcode ; unsigned long ac_mem ; cputime_t ac_utime ; cputime_t ac_stime ; unsigned long ac_minflt ; unsigned long ac_majflt ; }; struct cpu_itimer { cputime_t expires ; cputime_t incr ; u32 error ; u32 incr_error ; }; struct cputime { cputime_t utime ; cputime_t stime ; }; struct task_cputime { cputime_t utime ; cputime_t stime ; unsigned long long sum_exec_runtime ; }; struct task_cputime_atomic { atomic64_t utime ; atomic64_t stime ; atomic64_t sum_exec_runtime ; }; struct thread_group_cputimer { struct task_cputime_atomic cputime_atomic ; int running ; }; struct autogroup; struct tty_struct; struct taskstats; struct tty_audit_buf; struct signal_struct { atomic_t sigcnt ; atomic_t live ; int nr_threads ; struct list_head thread_head ; wait_queue_head_t wait_chldexit ; struct task_struct *curr_target ; struct sigpending shared_pending ; int group_exit_code ; int notify_count ; struct task_struct *group_exit_task ; int group_stop_count ; unsigned int flags ; unsigned char is_child_subreaper : 1 ; unsigned char has_child_subreaper : 1 ; int posix_timer_id ; struct list_head posix_timers ; struct hrtimer real_timer ; struct pid *leader_pid ; ktime_t it_real_incr ; struct cpu_itimer it[2U] ; struct thread_group_cputimer cputimer ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct pid *tty_old_pgrp ; int leader ; struct tty_struct *tty ; struct autogroup *autogroup ; seqlock_t stats_lock ; cputime_t utime ; cputime_t stime ; cputime_t cutime ; cputime_t cstime ; cputime_t gtime ; cputime_t cgtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; unsigned long cnvcsw ; unsigned long cnivcsw ; unsigned long min_flt ; unsigned long maj_flt ; unsigned long cmin_flt ; unsigned long cmaj_flt ; unsigned long inblock ; unsigned long oublock ; unsigned long cinblock ; unsigned long coublock ; unsigned long maxrss ; unsigned long cmaxrss ; struct task_io_accounting ioac ; unsigned long long sum_sched_runtime ; struct rlimit rlim[16U] ; struct pacct_struct pacct ; struct taskstats *stats ; unsigned int audit_tty ; unsigned int audit_tty_log_passwd ; struct tty_audit_buf *tty_audit_buf ; oom_flags_t oom_flags ; short oom_score_adj ; short oom_score_adj_min ; struct mutex cred_guard_mutex ; }; struct user_struct { atomic_t __count ; atomic_t processes ; atomic_t sigpending ; atomic_t inotify_watches ; atomic_t inotify_devs ; atomic_t fanotify_listeners ; atomic_long_t epoll_watches ; unsigned long mq_bytes ; unsigned long locked_shm ; struct key *uid_keyring ; struct key *session_keyring ; struct hlist_node uidhash_node ; kuid_t uid ; atomic_long_t locked_vm ; }; struct backing_dev_info; struct reclaim_state; struct sched_info { unsigned long pcount ; unsigned long long run_delay ; unsigned long long last_arrival ; unsigned long long last_queued ; }; struct task_delay_info { spinlock_t lock ; unsigned int flags ; u64 blkio_start ; u64 blkio_delay ; u64 swapin_delay ; u32 blkio_count ; u32 swapin_count ; u64 freepages_start ; u64 freepages_delay ; u32 freepages_count ; }; struct wake_q_node { struct wake_q_node *next ; }; struct io_context; struct pipe_inode_info; struct load_weight { unsigned long weight ; u32 inv_weight ; }; struct sched_avg { u64 last_runnable_update ; s64 decay_count ; unsigned long load_avg_contrib ; unsigned long utilization_avg_contrib ; u32 runnable_avg_sum ; u32 avg_period ; u32 running_avg_sum ; }; struct sched_statistics { u64 wait_start ; u64 wait_max ; u64 wait_count ; u64 wait_sum ; u64 iowait_count ; u64 iowait_sum ; u64 sleep_start ; u64 sleep_max ; s64 sum_sleep_runtime ; u64 block_start ; u64 block_max ; u64 exec_max ; u64 slice_max ; u64 nr_migrations_cold ; u64 nr_failed_migrations_affine ; u64 nr_failed_migrations_running ; u64 nr_failed_migrations_hot ; u64 nr_forced_migrations ; u64 nr_wakeups ; u64 nr_wakeups_sync ; u64 nr_wakeups_migrate ; u64 nr_wakeups_local ; u64 nr_wakeups_remote ; u64 nr_wakeups_affine ; u64 nr_wakeups_affine_attempts ; u64 nr_wakeups_passive ; u64 nr_wakeups_idle ; }; struct sched_entity { struct load_weight load ; struct rb_node run_node ; struct list_head group_node ; unsigned int on_rq ; u64 exec_start ; u64 sum_exec_runtime ; u64 vruntime ; u64 prev_sum_exec_runtime ; u64 nr_migrations ; struct sched_statistics statistics ; int depth ; struct sched_entity *parent ; struct cfs_rq *cfs_rq ; struct cfs_rq *my_q ; struct sched_avg avg ; }; struct rt_rq; struct sched_rt_entity { struct list_head run_list ; unsigned long timeout ; unsigned long watchdog_stamp ; unsigned int time_slice ; struct sched_rt_entity *back ; struct sched_rt_entity *parent ; struct rt_rq *rt_rq ; struct rt_rq *my_q ; }; struct sched_dl_entity { struct rb_node rb_node ; u64 dl_runtime ; u64 dl_deadline ; u64 dl_period ; u64 dl_bw ; s64 runtime ; u64 deadline ; unsigned int flags ; int dl_throttled ; int dl_new ; int dl_boosted ; int dl_yielded ; struct hrtimer dl_timer ; }; struct memcg_oom_info { struct mem_cgroup *memcg ; gfp_t gfp_mask ; int order ; unsigned char may_oom : 1 ; }; struct sched_class; struct files_struct; struct compat_robust_list_head; struct numa_group; struct ftrace_ret_stack; struct task_struct { long volatile state ; void *stack ; atomic_t usage ; unsigned int flags ; unsigned int ptrace ; struct llist_node wake_entry ; int on_cpu ; struct task_struct *last_wakee ; unsigned long wakee_flips ; unsigned long wakee_flip_decay_ts ; int wake_cpu ; int on_rq ; int prio ; int static_prio ; int normal_prio ; unsigned int rt_priority ; struct sched_class const *sched_class ; struct sched_entity se ; struct sched_rt_entity rt ; struct task_group *sched_task_group ; struct sched_dl_entity dl ; struct hlist_head preempt_notifiers ; unsigned int btrace_seq ; unsigned int policy ; int nr_cpus_allowed ; cpumask_t cpus_allowed ; unsigned long rcu_tasks_nvcsw ; bool rcu_tasks_holdout ; struct list_head rcu_tasks_holdout_list ; int rcu_tasks_idle_cpu ; struct sched_info sched_info ; struct list_head tasks ; struct plist_node pushable_tasks ; struct rb_node pushable_dl_tasks ; struct mm_struct *mm ; struct mm_struct *active_mm ; u32 vmacache_seqnum ; struct vm_area_struct *vmacache[4U] ; struct task_rss_stat rss_stat ; int exit_state ; int exit_code ; int exit_signal ; int pdeath_signal ; unsigned long jobctl ; unsigned int personality ; unsigned char in_execve : 1 ; unsigned char in_iowait : 1 ; unsigned char sched_reset_on_fork : 1 ; unsigned char sched_contributes_to_load : 1 ; unsigned char sched_migrated : 1 ; unsigned char memcg_kmem_skip_account : 1 ; unsigned char brk_randomized : 1 ; unsigned long atomic_flags ; struct restart_block restart_block ; pid_t pid ; pid_t tgid ; struct task_struct *real_parent ; struct task_struct *parent ; struct list_head children ; struct list_head sibling ; struct task_struct *group_leader ; struct list_head ptraced ; struct list_head ptrace_entry ; struct pid_link pids[3U] ; struct list_head thread_group ; struct list_head thread_node ; struct completion *vfork_done ; int *set_child_tid ; int *clear_child_tid ; cputime_t utime ; cputime_t stime ; cputime_t utimescaled ; cputime_t stimescaled ; cputime_t gtime ; struct cputime prev_cputime ; unsigned long nvcsw ; unsigned long nivcsw ; u64 start_time ; u64 real_start_time ; unsigned long min_flt ; unsigned long maj_flt ; struct task_cputime cputime_expires ; struct list_head cpu_timers[3U] ; struct cred const *real_cred ; struct cred const *cred ; char comm[16U] ; struct nameidata *nameidata ; struct sysv_sem sysvsem ; struct sysv_shm sysvshm ; unsigned long last_switch_count ; struct thread_struct thread ; struct fs_struct *fs ; struct files_struct *files ; struct nsproxy *nsproxy ; struct signal_struct *signal ; struct sighand_struct *sighand ; sigset_t blocked ; sigset_t real_blocked ; sigset_t saved_sigmask ; struct sigpending pending ; unsigned long sas_ss_sp ; size_t sas_ss_size ; int (*notifier)(void * ) ; void *notifier_data ; sigset_t *notifier_mask ; struct callback_head *task_works ; struct audit_context *audit_context ; kuid_t loginuid ; unsigned int sessionid ; struct seccomp seccomp ; u32 parent_exec_id ; u32 self_exec_id ; spinlock_t alloc_lock ; raw_spinlock_t pi_lock ; struct wake_q_node wake_q ; struct rb_root pi_waiters ; struct rb_node *pi_waiters_leftmost ; struct rt_mutex_waiter *pi_blocked_on ; struct mutex_waiter *blocked_on ; unsigned int irq_events ; unsigned long hardirq_enable_ip ; unsigned long hardirq_disable_ip ; unsigned int hardirq_enable_event ; unsigned int hardirq_disable_event ; int hardirqs_enabled ; int hardirq_context ; unsigned long softirq_disable_ip ; unsigned long softirq_enable_ip ; unsigned int softirq_disable_event ; unsigned int softirq_enable_event ; int softirqs_enabled ; int softirq_context ; u64 curr_chain_key ; int lockdep_depth ; unsigned int lockdep_recursion ; struct held_lock held_locks[48U] ; gfp_t lockdep_reclaim_gfp ; void *journal_info ; struct bio_list *bio_list ; struct blk_plug *plug ; struct reclaim_state *reclaim_state ; struct backing_dev_info *backing_dev_info ; struct io_context *io_context ; unsigned long ptrace_message ; siginfo_t *last_siginfo ; struct task_io_accounting ioac ; u64 acct_rss_mem1 ; u64 acct_vm_mem1 ; cputime_t acct_timexpd ; nodemask_t mems_allowed ; seqcount_t mems_allowed_seq ; int cpuset_mem_spread_rotor ; int cpuset_slab_spread_rotor ; struct css_set *cgroups ; struct list_head cg_list ; struct robust_list_head *robust_list ; struct compat_robust_list_head *compat_robust_list ; struct list_head pi_state_list ; struct futex_pi_state *pi_state_cache ; struct perf_event_context *perf_event_ctxp[2U] ; struct mutex perf_event_mutex ; struct list_head perf_event_list ; struct mempolicy *mempolicy ; short il_next ; short pref_node_fork ; int numa_scan_seq ; unsigned int numa_scan_period ; unsigned int numa_scan_period_max ; int numa_preferred_nid ; unsigned long numa_migrate_retry ; u64 node_stamp ; u64 last_task_numa_placement ; u64 last_sum_exec_runtime ; struct callback_head numa_work ; struct list_head numa_entry ; struct numa_group *numa_group ; unsigned long *numa_faults ; unsigned long total_numa_faults ; unsigned long numa_faults_locality[3U] ; unsigned long numa_pages_migrated ; struct callback_head rcu ; struct pipe_inode_info *splice_pipe ; struct page_frag task_frag ; struct task_delay_info *delays ; int make_it_fail ; int nr_dirtied ; int nr_dirtied_pause ; unsigned long dirty_paused_when ; int latency_record_count ; struct latency_record latency_record[32U] ; unsigned long timer_slack_ns ; unsigned long default_timer_slack_ns ; unsigned int kasan_depth ; int curr_ret_stack ; struct ftrace_ret_stack *ret_stack ; unsigned long long ftrace_timestamp ; atomic_t trace_overrun ; atomic_t tracing_graph_pause ; unsigned long trace ; unsigned long trace_recursion ; struct memcg_oom_info memcg_oom ; struct uprobe_task *utask ; unsigned int sequential_io ; unsigned int sequential_io_avg ; unsigned long task_state_change ; int pagefault_disabled ; }; struct hlist_bl_node; struct hlist_bl_head { struct hlist_bl_node *first ; }; struct hlist_bl_node { struct hlist_bl_node *next ; struct hlist_bl_node **pprev ; }; struct __anonstruct____missing_field_name_220 { spinlock_t lock ; int count ; }; union __anonunion____missing_field_name_219 { struct __anonstruct____missing_field_name_220 __annonCompField58 ; }; struct lockref { union __anonunion____missing_field_name_219 __annonCompField59 ; }; struct path; struct vfsmount; struct __anonstruct____missing_field_name_222 { u32 hash ; u32 len ; }; union __anonunion____missing_field_name_221 { struct __anonstruct____missing_field_name_222 __annonCompField60 ; u64 hash_len ; }; struct qstr { union __anonunion____missing_field_name_221 __annonCompField61 ; unsigned char const *name ; }; struct dentry_operations; union __anonunion_d_u_223 { struct hlist_node d_alias ; struct callback_head d_rcu ; }; struct dentry { unsigned int d_flags ; seqcount_t d_seq ; struct hlist_bl_node d_hash ; struct dentry *d_parent ; struct qstr d_name ; struct inode *d_inode ; unsigned char d_iname[32U] ; struct lockref d_lockref ; struct dentry_operations const *d_op ; struct super_block *d_sb ; unsigned long d_time ; void *d_fsdata ; struct list_head d_lru ; struct list_head d_child ; struct list_head d_subdirs ; union __anonunion_d_u_223 d_u ; }; struct dentry_operations { int (*d_revalidate)(struct dentry * , unsigned int ) ; int (*d_weak_revalidate)(struct dentry * , unsigned int ) ; int (*d_hash)(struct dentry const * , struct qstr * ) ; int (*d_compare)(struct dentry const * , struct dentry const * , unsigned int , char const * , struct qstr const * ) ; int (*d_delete)(struct dentry const * ) ; void (*d_release)(struct dentry * ) ; void (*d_prune)(struct dentry * ) ; void (*d_iput)(struct dentry * , struct inode * ) ; char *(*d_dname)(struct dentry * , char * , int ) ; struct vfsmount *(*d_automount)(struct path * ) ; int (*d_manage)(struct dentry * , bool ) ; struct inode *(*d_select_inode)(struct dentry * , unsigned int ) ; }; struct path { struct vfsmount *mnt ; struct dentry *dentry ; }; struct shrink_control { gfp_t gfp_mask ; unsigned long nr_to_scan ; int nid ; struct mem_cgroup *memcg ; }; struct shrinker { unsigned long (*count_objects)(struct shrinker * , struct shrink_control * ) ; unsigned long (*scan_objects)(struct shrinker * , struct shrink_control * ) ; int seeks ; long batch ; unsigned long flags ; struct list_head list ; atomic_long_t *nr_deferred ; }; struct list_lru_one { struct list_head list ; long nr_items ; }; struct list_lru_memcg { struct list_lru_one *lru[0U] ; }; struct list_lru_node { spinlock_t lock ; struct list_lru_one lru ; struct list_lru_memcg *memcg_lrus ; }; struct list_lru { struct list_lru_node *node ; struct list_head list ; }; struct __anonstruct____missing_field_name_227 { struct radix_tree_node *parent ; void *private_data ; }; union __anonunion____missing_field_name_226 { struct __anonstruct____missing_field_name_227 __annonCompField62 ; struct callback_head callback_head ; }; struct radix_tree_node { unsigned int path ; unsigned int count ; union __anonunion____missing_field_name_226 __annonCompField63 ; struct list_head private_list ; void *slots[64U] ; unsigned long tags[3U][1U] ; }; struct radix_tree_root { unsigned int height ; gfp_t gfp_mask ; struct radix_tree_node *rnode ; }; struct fiemap_extent { __u64 fe_logical ; __u64 fe_physical ; __u64 fe_length ; __u64 fe_reserved64[2U] ; __u32 fe_flags ; __u32 fe_reserved[3U] ; }; enum migrate_mode { MIGRATE_ASYNC = 0, MIGRATE_SYNC_LIGHT = 1, MIGRATE_SYNC = 2 } ; struct bio_set; struct bio; struct bio_integrity_payload; struct block_device; typedef void bio_end_io_t(struct bio * , int ); struct bio_vec { struct page *bv_page ; unsigned int bv_len ; unsigned int bv_offset ; }; struct bvec_iter { sector_t bi_sector ; unsigned int bi_size ; unsigned int bi_idx ; unsigned int bi_bvec_done ; }; union __anonunion____missing_field_name_230 { struct bio_integrity_payload *bi_integrity ; }; struct bio { struct bio *bi_next ; struct block_device *bi_bdev ; unsigned long bi_flags ; unsigned long bi_rw ; struct bvec_iter bi_iter ; unsigned int bi_phys_segments ; unsigned int bi_seg_front_size ; unsigned int bi_seg_back_size ; atomic_t __bi_remaining ; bio_end_io_t *bi_end_io ; void *bi_private ; struct io_context *bi_ioc ; struct cgroup_subsys_state *bi_css ; union __anonunion____missing_field_name_230 __annonCompField64 ; unsigned short bi_vcnt ; unsigned short bi_max_vecs ; atomic_t __bi_cnt ; struct bio_vec *bi_io_vec ; struct bio_set *bi_pool ; struct bio_vec bi_inline_vecs[0U] ; }; struct bdi_writeback; struct export_operations; struct hd_geometry; struct kiocb; struct poll_table_struct; struct kstatfs; struct swap_info_struct; struct iov_iter; struct vm_fault; struct iattr { unsigned int ia_valid ; umode_t ia_mode ; kuid_t ia_uid ; kgid_t ia_gid ; loff_t ia_size ; struct timespec ia_atime ; struct timespec ia_mtime ; struct timespec ia_ctime ; struct file *ia_file ; }; struct dquot; typedef __kernel_uid32_t projid_t; struct __anonstruct_kprojid_t_231 { projid_t val ; }; typedef struct __anonstruct_kprojid_t_231 kprojid_t; enum quota_type { USRQUOTA = 0, GRPQUOTA = 1, PRJQUOTA = 2 } ; typedef long long qsize_t; union __anonunion____missing_field_name_232 { kuid_t uid ; kgid_t gid ; kprojid_t projid ; }; struct kqid { union __anonunion____missing_field_name_232 __annonCompField65 ; enum quota_type type ; }; struct mem_dqblk { qsize_t dqb_bhardlimit ; qsize_t dqb_bsoftlimit ; qsize_t dqb_curspace ; qsize_t dqb_rsvspace ; qsize_t dqb_ihardlimit ; qsize_t dqb_isoftlimit ; qsize_t dqb_curinodes ; time_t dqb_btime ; time_t dqb_itime ; }; struct quota_format_type; struct mem_dqinfo { struct quota_format_type *dqi_format ; int dqi_fmt_id ; struct list_head dqi_dirty_list ; unsigned long dqi_flags ; unsigned int dqi_bgrace ; unsigned int dqi_igrace ; qsize_t dqi_max_spc_limit ; qsize_t dqi_max_ino_limit ; void *dqi_priv ; }; struct dquot { struct hlist_node dq_hash ; struct list_head dq_inuse ; struct list_head dq_free ; struct list_head dq_dirty ; struct mutex dq_lock ; atomic_t dq_count ; wait_queue_head_t dq_wait_unused ; struct super_block *dq_sb ; struct kqid dq_id ; loff_t dq_off ; unsigned long dq_flags ; struct mem_dqblk dq_dqb ; }; struct quota_format_ops { int (*check_quota_file)(struct super_block * , int ) ; int (*read_file_info)(struct super_block * , int ) ; int (*write_file_info)(struct super_block * , int ) ; int (*free_file_info)(struct super_block * , int ) ; int (*read_dqblk)(struct dquot * ) ; int (*commit_dqblk)(struct dquot * ) ; int (*release_dqblk)(struct dquot * ) ; }; struct dquot_operations { int (*write_dquot)(struct dquot * ) ; struct dquot *(*alloc_dquot)(struct super_block * , int ) ; void (*destroy_dquot)(struct dquot * ) ; int (*acquire_dquot)(struct dquot * ) ; int (*release_dquot)(struct dquot * ) ; int (*mark_dirty)(struct dquot * ) ; int (*write_info)(struct super_block * , int ) ; qsize_t *(*get_reserved_space)(struct inode * ) ; int (*get_projid)(struct inode * , kprojid_t * ) ; }; struct qc_dqblk { int d_fieldmask ; u64 d_spc_hardlimit ; u64 d_spc_softlimit ; u64 d_ino_hardlimit ; u64 d_ino_softlimit ; u64 d_space ; u64 d_ino_count ; s64 d_ino_timer ; s64 d_spc_timer ; int d_ino_warns ; int d_spc_warns ; u64 d_rt_spc_hardlimit ; u64 d_rt_spc_softlimit ; u64 d_rt_space ; s64 d_rt_spc_timer ; int d_rt_spc_warns ; }; struct qc_type_state { unsigned int flags ; unsigned int spc_timelimit ; unsigned int ino_timelimit ; unsigned int rt_spc_timelimit ; unsigned int spc_warnlimit ; unsigned int ino_warnlimit ; unsigned int rt_spc_warnlimit ; unsigned long long ino ; blkcnt_t blocks ; blkcnt_t nextents ; }; struct qc_state { unsigned int s_incoredqs ; struct qc_type_state s_state[3U] ; }; struct qc_info { int i_fieldmask ; unsigned int i_flags ; unsigned int i_spc_timelimit ; unsigned int i_ino_timelimit ; unsigned int i_rt_spc_timelimit ; unsigned int i_spc_warnlimit ; unsigned int i_ino_warnlimit ; unsigned int i_rt_spc_warnlimit ; }; struct quotactl_ops { int (*quota_on)(struct super_block * , int , int , struct path * ) ; int (*quota_off)(struct super_block * , int ) ; int (*quota_enable)(struct super_block * , unsigned int ) ; int (*quota_disable)(struct super_block * , unsigned int ) ; int (*quota_sync)(struct super_block * , int ) ; int (*set_info)(struct super_block * , int , struct qc_info * ) ; int (*get_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*set_dqblk)(struct super_block * , struct kqid , struct qc_dqblk * ) ; int (*get_state)(struct super_block * , struct qc_state * ) ; int (*rm_xquota)(struct super_block * , unsigned int ) ; }; struct quota_format_type { int qf_fmt_id ; struct quota_format_ops const *qf_ops ; struct module *qf_owner ; struct quota_format_type *qf_next ; }; struct quota_info { unsigned int flags ; struct mutex dqio_mutex ; struct mutex dqonoff_mutex ; struct inode *files[3U] ; struct mem_dqinfo info[3U] ; struct quota_format_ops const *ops[3U] ; }; struct writeback_control; struct kiocb { struct file *ki_filp ; loff_t ki_pos ; void (*ki_complete)(struct kiocb * , long , long ) ; void *private ; int ki_flags ; }; struct address_space_operations { int (*writepage)(struct page * , struct writeback_control * ) ; int (*readpage)(struct file * , struct page * ) ; int (*writepages)(struct address_space * , struct writeback_control * ) ; int (*set_page_dirty)(struct page * ) ; int (*readpages)(struct file * , struct address_space * , struct list_head * , unsigned int ) ; int (*write_begin)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page ** , void ** ) ; int (*write_end)(struct file * , struct address_space * , loff_t , unsigned int , unsigned int , struct page * , void * ) ; sector_t (*bmap)(struct address_space * , sector_t ) ; void (*invalidatepage)(struct page * , unsigned int , unsigned int ) ; int (*releasepage)(struct page * , gfp_t ) ; void (*freepage)(struct page * ) ; ssize_t (*direct_IO)(struct kiocb * , struct iov_iter * , loff_t ) ; int (*migratepage)(struct address_space * , struct page * , struct page * , enum migrate_mode ) ; int (*launder_page)(struct page * ) ; int (*is_partially_uptodate)(struct page * , unsigned long , unsigned long ) ; void (*is_dirty_writeback)(struct page * , bool * , bool * ) ; int (*error_remove_page)(struct address_space * , struct page * ) ; int (*swap_activate)(struct swap_info_struct * , struct file * , sector_t * ) ; void (*swap_deactivate)(struct file * ) ; }; struct address_space { struct inode *host ; struct radix_tree_root page_tree ; spinlock_t tree_lock ; atomic_t i_mmap_writable ; struct rb_root i_mmap ; struct rw_semaphore i_mmap_rwsem ; unsigned long nrpages ; unsigned long nrshadows ; unsigned long writeback_index ; struct address_space_operations const *a_ops ; unsigned long flags ; spinlock_t private_lock ; struct list_head private_list ; void *private_data ; }; struct request_queue; struct hd_struct; struct gendisk; struct block_device { dev_t bd_dev ; int bd_openers ; struct inode *bd_inode ; struct super_block *bd_super ; struct mutex bd_mutex ; struct list_head bd_inodes ; void *bd_claiming ; void *bd_holder ; int bd_holders ; bool bd_write_holder ; struct list_head bd_holder_disks ; struct block_device *bd_contains ; unsigned int bd_block_size ; struct hd_struct *bd_part ; unsigned int bd_part_count ; int bd_invalidated ; struct gendisk *bd_disk ; struct request_queue *bd_queue ; struct list_head bd_list ; unsigned long bd_private ; int bd_fsfreeze_count ; struct mutex bd_fsfreeze_mutex ; }; struct posix_acl; struct inode_operations; union __anonunion____missing_field_name_235 { unsigned int const i_nlink ; unsigned int __i_nlink ; }; union __anonunion____missing_field_name_236 { struct hlist_head i_dentry ; struct callback_head i_rcu ; }; struct file_lock_context; struct cdev; union __anonunion____missing_field_name_237 { struct pipe_inode_info *i_pipe ; struct block_device *i_bdev ; struct cdev *i_cdev ; char *i_link ; }; struct inode { umode_t i_mode ; unsigned short i_opflags ; kuid_t i_uid ; kgid_t i_gid ; unsigned int i_flags ; struct posix_acl *i_acl ; struct posix_acl *i_default_acl ; struct inode_operations const *i_op ; struct super_block *i_sb ; struct address_space *i_mapping ; void *i_security ; unsigned long i_ino ; union __anonunion____missing_field_name_235 __annonCompField66 ; dev_t i_rdev ; loff_t i_size ; struct timespec i_atime ; struct timespec i_mtime ; struct timespec i_ctime ; spinlock_t i_lock ; unsigned short i_bytes ; unsigned int i_blkbits ; blkcnt_t i_blocks ; unsigned long i_state ; struct mutex i_mutex ; unsigned long dirtied_when ; unsigned long dirtied_time_when ; struct hlist_node i_hash ; struct list_head i_wb_list ; struct bdi_writeback *i_wb ; int i_wb_frn_winner ; u16 i_wb_frn_avg_time ; u16 i_wb_frn_history ; struct list_head i_lru ; struct list_head i_sb_list ; union __anonunion____missing_field_name_236 __annonCompField67 ; u64 i_version ; atomic_t i_count ; atomic_t i_dio_count ; atomic_t i_writecount ; atomic_t i_readcount ; struct file_operations const *i_fop ; struct file_lock_context *i_flctx ; struct address_space i_data ; struct list_head i_devices ; union __anonunion____missing_field_name_237 __annonCompField68 ; __u32 i_generation ; __u32 i_fsnotify_mask ; struct hlist_head i_fsnotify_marks ; void *i_private ; }; struct fown_struct { rwlock_t lock ; struct pid *pid ; enum pid_type pid_type ; kuid_t uid ; kuid_t euid ; int signum ; }; struct file_ra_state { unsigned long start ; unsigned int size ; unsigned int async_size ; unsigned int ra_pages ; unsigned int mmap_miss ; loff_t prev_pos ; }; union __anonunion_f_u_238 { struct llist_node fu_llist ; struct callback_head fu_rcuhead ; }; struct file { union __anonunion_f_u_238 f_u ; struct path f_path ; struct inode *f_inode ; struct file_operations const *f_op ; spinlock_t f_lock ; atomic_long_t f_count ; unsigned int f_flags ; fmode_t f_mode ; struct mutex f_pos_lock ; loff_t f_pos ; struct fown_struct f_owner ; struct cred const *f_cred ; struct file_ra_state f_ra ; u64 f_version ; void *f_security ; void *private_data ; struct list_head f_ep_links ; struct list_head f_tfile_llink ; struct address_space *f_mapping ; }; typedef void *fl_owner_t; struct file_lock; struct file_lock_operations { void (*fl_copy_lock)(struct file_lock * , struct file_lock * ) ; void (*fl_release_private)(struct file_lock * ) ; }; struct lock_manager_operations { int (*lm_compare_owner)(struct file_lock * , struct file_lock * ) ; unsigned long (*lm_owner_key)(struct file_lock * ) ; fl_owner_t (*lm_get_owner)(fl_owner_t ) ; void (*lm_put_owner)(fl_owner_t ) ; void (*lm_notify)(struct file_lock * ) ; int (*lm_grant)(struct file_lock * , int ) ; bool (*lm_break)(struct file_lock * ) ; int (*lm_change)(struct file_lock * , int , struct list_head * ) ; void (*lm_setup)(struct file_lock * , void ** ) ; }; struct nlm_lockowner; struct nfs_lock_info { u32 state ; struct nlm_lockowner *owner ; struct list_head list ; }; struct nfs4_lock_state; struct nfs4_lock_info { struct nfs4_lock_state *owner ; }; struct fasync_struct; struct __anonstruct_afs_240 { struct list_head link ; int state ; }; union __anonunion_fl_u_239 { struct nfs_lock_info nfs_fl ; struct nfs4_lock_info nfs4_fl ; struct __anonstruct_afs_240 afs ; }; struct file_lock { struct file_lock *fl_next ; struct list_head fl_list ; struct hlist_node fl_link ; struct list_head fl_block ; fl_owner_t fl_owner ; unsigned int fl_flags ; unsigned char fl_type ; unsigned int fl_pid ; int fl_link_cpu ; struct pid *fl_nspid ; wait_queue_head_t fl_wait ; struct file *fl_file ; loff_t fl_start ; loff_t fl_end ; struct fasync_struct *fl_fasync ; unsigned long fl_break_time ; unsigned long fl_downgrade_time ; struct file_lock_operations const *fl_ops ; struct lock_manager_operations const *fl_lmops ; union __anonunion_fl_u_239 fl_u ; }; struct file_lock_context { spinlock_t flc_lock ; struct list_head flc_flock ; struct list_head flc_posix ; struct list_head flc_lease ; }; struct fasync_struct { spinlock_t fa_lock ; int magic ; int fa_fd ; struct fasync_struct *fa_next ; struct file *fa_file ; struct callback_head fa_rcu ; }; struct sb_writers { struct percpu_counter counter[3U] ; wait_queue_head_t wait ; int frozen ; wait_queue_head_t wait_unfrozen ; struct lockdep_map lock_map[3U] ; }; struct super_operations; struct xattr_handler; struct mtd_info; struct super_block { struct list_head s_list ; dev_t s_dev ; unsigned char s_blocksize_bits ; unsigned long s_blocksize ; loff_t s_maxbytes ; struct file_system_type *s_type ; struct super_operations const *s_op ; struct dquot_operations const *dq_op ; struct quotactl_ops const *s_qcop ; struct export_operations const *s_export_op ; unsigned long s_flags ; unsigned long s_iflags ; unsigned long s_magic ; struct dentry *s_root ; struct rw_semaphore s_umount ; int s_count ; atomic_t s_active ; void *s_security ; struct xattr_handler const **s_xattr ; struct list_head s_inodes ; struct hlist_bl_head s_anon ; struct list_head s_mounts ; struct block_device *s_bdev ; struct backing_dev_info *s_bdi ; struct mtd_info *s_mtd ; struct hlist_node s_instances ; unsigned int s_quota_types ; struct quota_info s_dquot ; struct sb_writers s_writers ; char s_id[32U] ; u8 s_uuid[16U] ; void *s_fs_info ; unsigned int s_max_links ; fmode_t s_mode ; u32 s_time_gran ; struct mutex s_vfs_rename_mutex ; char *s_subtype ; char *s_options ; struct dentry_operations const *s_d_op ; int cleancache_poolid ; struct shrinker s_shrink ; atomic_long_t s_remove_count ; int s_readonly_remount ; struct workqueue_struct *s_dio_done_wq ; struct hlist_head s_pins ; struct list_lru s_dentry_lru ; struct list_lru s_inode_lru ; struct callback_head rcu ; int s_stack_depth ; }; struct fiemap_extent_info { unsigned int fi_flags ; unsigned int fi_extents_mapped ; unsigned int fi_extents_max ; struct fiemap_extent *fi_extents_start ; }; struct dir_context; struct dir_context { int (*actor)(struct dir_context * , char const * , int , loff_t , u64 , unsigned int ) ; loff_t pos ; }; struct block_device_operations; struct file_operations { struct module *owner ; loff_t (*llseek)(struct file * , loff_t , int ) ; ssize_t (*read)(struct file * , char * , size_t , loff_t * ) ; ssize_t (*write)(struct file * , char const * , size_t , loff_t * ) ; ssize_t (*read_iter)(struct kiocb * , struct iov_iter * ) ; ssize_t (*write_iter)(struct kiocb * , struct iov_iter * ) ; int (*iterate)(struct file * , struct dir_context * ) ; unsigned int (*poll)(struct file * , struct poll_table_struct * ) ; long (*unlocked_ioctl)(struct file * , unsigned int , unsigned long ) ; long (*compat_ioctl)(struct file * , unsigned int , unsigned long ) ; int (*mmap)(struct file * , struct vm_area_struct * ) ; int (*mremap)(struct file * , struct vm_area_struct * ) ; int (*open)(struct inode * , struct file * ) ; int (*flush)(struct file * , fl_owner_t ) ; int (*release)(struct inode * , struct file * ) ; int (*fsync)(struct file * , loff_t , loff_t , int ) ; int (*aio_fsync)(struct kiocb * , int ) ; int (*fasync)(int , struct file * , int ) ; int (*lock)(struct file * , int , struct file_lock * ) ; ssize_t (*sendpage)(struct file * , struct page * , int , size_t , loff_t * , int ) ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; int (*check_flags)(int ) ; int (*flock)(struct file * , int , struct file_lock * ) ; ssize_t (*splice_write)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ) ; ssize_t (*splice_read)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ) ; int (*setlease)(struct file * , long , struct file_lock ** , void ** ) ; long (*fallocate)(struct file * , int , loff_t , loff_t ) ; void (*show_fdinfo)(struct seq_file * , struct file * ) ; }; struct inode_operations { struct dentry *(*lookup)(struct inode * , struct dentry * , unsigned int ) ; char const *(*follow_link)(struct dentry * , void ** ) ; int (*permission)(struct inode * , int ) ; struct posix_acl *(*get_acl)(struct inode * , int ) ; int (*readlink)(struct dentry * , char * , int ) ; void (*put_link)(struct inode * , void * ) ; int (*create)(struct inode * , struct dentry * , umode_t , bool ) ; int (*link)(struct dentry * , struct inode * , struct dentry * ) ; int (*unlink)(struct inode * , struct dentry * ) ; int (*symlink)(struct inode * , struct dentry * , char const * ) ; int (*mkdir)(struct inode * , struct dentry * , umode_t ) ; int (*rmdir)(struct inode * , struct dentry * ) ; int (*mknod)(struct inode * , struct dentry * , umode_t , dev_t ) ; int (*rename)(struct inode * , struct dentry * , struct inode * , struct dentry * ) ; int (*rename2)(struct inode * , struct dentry * , struct inode * , struct dentry * , unsigned int ) ; int (*setattr)(struct dentry * , struct iattr * ) ; int (*getattr)(struct vfsmount * , struct dentry * , struct kstat * ) ; int (*setxattr)(struct dentry * , char const * , void const * , size_t , int ) ; ssize_t (*getxattr)(struct dentry * , char const * , void * , size_t ) ; ssize_t (*listxattr)(struct dentry * , char * , size_t ) ; int (*removexattr)(struct dentry * , char const * ) ; int (*fiemap)(struct inode * , struct fiemap_extent_info * , u64 , u64 ) ; int (*update_time)(struct inode * , struct timespec * , int ) ; int (*atomic_open)(struct inode * , struct dentry * , struct file * , unsigned int , umode_t , int * ) ; int (*tmpfile)(struct inode * , struct dentry * , umode_t ) ; int (*set_acl)(struct inode * , struct posix_acl * , int ) ; }; struct super_operations { struct inode *(*alloc_inode)(struct super_block * ) ; void (*destroy_inode)(struct inode * ) ; void (*dirty_inode)(struct inode * , int ) ; int (*write_inode)(struct inode * , struct writeback_control * ) ; int (*drop_inode)(struct inode * ) ; void (*evict_inode)(struct inode * ) ; void (*put_super)(struct super_block * ) ; int (*sync_fs)(struct super_block * , int ) ; int (*freeze_super)(struct super_block * ) ; int (*freeze_fs)(struct super_block * ) ; int (*thaw_super)(struct super_block * ) ; int (*unfreeze_fs)(struct super_block * ) ; int (*statfs)(struct dentry * , struct kstatfs * ) ; int (*remount_fs)(struct super_block * , int * , char * ) ; void (*umount_begin)(struct super_block * ) ; int (*show_options)(struct seq_file * , struct dentry * ) ; int (*show_devname)(struct seq_file * , struct dentry * ) ; int (*show_path)(struct seq_file * , struct dentry * ) ; int (*show_stats)(struct seq_file * , struct dentry * ) ; ssize_t (*quota_read)(struct super_block * , int , char * , size_t , loff_t ) ; ssize_t (*quota_write)(struct super_block * , int , char const * , size_t , loff_t ) ; struct dquot **(*get_dquots)(struct inode * ) ; int (*bdev_try_to_free_page)(struct super_block * , struct page * , gfp_t ) ; long (*nr_cached_objects)(struct super_block * , struct shrink_control * ) ; long (*free_cached_objects)(struct super_block * , struct shrink_control * ) ; }; struct file_system_type { char const *name ; int fs_flags ; struct dentry *(*mount)(struct file_system_type * , int , char const * , void * ) ; void (*kill_sb)(struct super_block * ) ; struct module *owner ; struct file_system_type *next ; struct hlist_head fs_supers ; struct lock_class_key s_lock_key ; struct lock_class_key s_umount_key ; struct lock_class_key s_vfs_rename_key ; struct lock_class_key s_writers_key[3U] ; struct lock_class_key i_lock_key ; struct lock_class_key i_mutex_key ; struct lock_class_key i_mutex_dir_key ; }; struct vm_fault { unsigned int flags ; unsigned long pgoff ; void *virtual_address ; struct page *cow_page ; struct page *page ; unsigned long max_pgoff ; pte_t *pte ; }; struct vm_operations_struct { void (*open)(struct vm_area_struct * ) ; void (*close)(struct vm_area_struct * ) ; int (*fault)(struct vm_area_struct * , struct vm_fault * ) ; void (*map_pages)(struct vm_area_struct * , struct vm_fault * ) ; int (*page_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*pfn_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*access)(struct vm_area_struct * , unsigned long , void * , int , int ) ; char const *(*name)(struct vm_area_struct * ) ; int (*set_policy)(struct vm_area_struct * , struct mempolicy * ) ; struct mempolicy *(*get_policy)(struct vm_area_struct * , unsigned long ) ; struct page *(*find_special_page)(struct vm_area_struct * , unsigned long ) ; }; struct mtop { short mt_op ; int mt_count ; }; struct mtget { long mt_type ; long mt_resid ; long mt_dsreg ; long mt_gstat ; long mt_erreg ; __kernel_daddr_t mt_fileno ; __kernel_daddr_t mt_blkno ; }; struct mtpos { long mt_blkno ; }; struct device_type; struct class; struct klist_node; struct klist_node { void *n_klist ; struct list_head n_node ; struct kref n_ref ; }; struct seq_file { char *buf ; size_t size ; size_t from ; size_t count ; size_t pad_until ; loff_t index ; loff_t read_pos ; u64 version ; struct mutex lock ; struct seq_operations const *op ; int poll_event ; struct user_namespace *user_ns ; void *private ; }; struct seq_operations { void *(*start)(struct seq_file * , loff_t * ) ; void (*stop)(struct seq_file * , void * ) ; void *(*next)(struct seq_file * , void * , loff_t * ) ; int (*show)(struct seq_file * , void * ) ; }; struct pinctrl; struct pinctrl_state; struct dev_pin_info { struct pinctrl *p ; struct pinctrl_state *default_state ; struct pinctrl_state *sleep_state ; struct pinctrl_state *idle_state ; }; struct dma_map_ops; struct dev_archdata { struct dma_map_ops *dma_ops ; void *iommu ; }; struct device_private; struct device_driver; struct driver_private; struct subsys_private; struct bus_type; struct device_node; struct fwnode_handle; struct iommu_ops; struct iommu_group; struct device_attribute; struct bus_type { char const *name ; char const *dev_name ; struct device *dev_root ; struct device_attribute *dev_attrs ; struct attribute_group const **bus_groups ; struct attribute_group const **dev_groups ; struct attribute_group const **drv_groups ; int (*match)(struct device * , struct device_driver * ) ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*online)(struct device * ) ; int (*offline)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct dev_pm_ops const *pm ; struct iommu_ops const *iommu_ops ; struct subsys_private *p ; struct lock_class_key lock_key ; }; enum probe_type { PROBE_DEFAULT_STRATEGY = 0, PROBE_PREFER_ASYNCHRONOUS = 1, PROBE_FORCE_SYNCHRONOUS = 2 } ; struct of_device_id; struct acpi_device_id; struct device_driver { char const *name ; struct bus_type *bus ; struct module *owner ; char const *mod_name ; bool suppress_bind_attrs ; enum probe_type probe_type ; struct of_device_id const *of_match_table ; struct acpi_device_id const *acpi_match_table ; int (*probe)(struct device * ) ; int (*remove)(struct device * ) ; void (*shutdown)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct attribute_group const **groups ; struct dev_pm_ops const *pm ; struct driver_private *p ; }; struct driver_attribute { struct attribute attr ; ssize_t (*show)(struct device_driver * , char * ) ; ssize_t (*store)(struct device_driver * , char const * , size_t ) ; }; struct class_attribute; struct class { char const *name ; struct module *owner ; struct class_attribute *class_attrs ; struct attribute_group const **dev_groups ; struct kobject *dev_kobj ; int (*dev_uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * ) ; void (*class_release)(struct class * ) ; void (*dev_release)(struct device * ) ; int (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct kobj_ns_type_operations const *ns_type ; void const *(*namespace)(struct device * ) ; struct dev_pm_ops const *pm ; struct subsys_private *p ; }; struct class_attribute { struct attribute attr ; ssize_t (*show)(struct class * , struct class_attribute * , char * ) ; ssize_t (*store)(struct class * , struct class_attribute * , char const * , size_t ) ; }; struct device_type { char const *name ; struct attribute_group const **groups ; int (*uevent)(struct device * , struct kobj_uevent_env * ) ; char *(*devnode)(struct device * , umode_t * , kuid_t * , kgid_t * ) ; void (*release)(struct device * ) ; struct dev_pm_ops const *pm ; }; struct device_attribute { struct attribute attr ; ssize_t (*show)(struct device * , struct device_attribute * , char * ) ; ssize_t (*store)(struct device * , struct device_attribute * , char const * , size_t ) ; }; struct device_dma_parameters { unsigned int max_segment_size ; unsigned long segment_boundary_mask ; }; struct dma_coherent_mem; struct cma; struct device { struct device *parent ; struct device_private *p ; struct kobject kobj ; char const *init_name ; struct device_type const *type ; struct mutex mutex ; struct bus_type *bus ; struct device_driver *driver ; void *platform_data ; void *driver_data ; struct dev_pm_info power ; struct dev_pm_domain *pm_domain ; struct dev_pin_info *pins ; int numa_node ; u64 *dma_mask ; u64 coherent_dma_mask ; unsigned long dma_pfn_offset ; struct device_dma_parameters *dma_parms ; struct list_head dma_pools ; struct dma_coherent_mem *dma_mem ; struct cma *cma_area ; struct dev_archdata archdata ; struct device_node *of_node ; struct fwnode_handle *fwnode ; dev_t devt ; u32 id ; spinlock_t devres_lock ; struct list_head devres_head ; struct klist_node knode_class ; struct class *class ; struct attribute_group const **groups ; void (*release)(struct device * ) ; struct iommu_group *iommu_group ; bool offline_disabled ; bool offline ; }; struct wakeup_source { char const *name ; struct list_head entry ; spinlock_t lock ; struct wake_irq *wakeirq ; struct timer_list timer ; unsigned long timer_expires ; ktime_t total_time ; ktime_t max_time ; ktime_t last_time ; ktime_t start_prevent_time ; ktime_t prevent_sleep_time ; unsigned long event_count ; unsigned long active_count ; unsigned long relax_count ; unsigned long expire_count ; unsigned long wakeup_count ; bool active ; bool autosleep_enabled ; }; struct disk_stats { unsigned long sectors[2U] ; unsigned long ios[2U] ; unsigned long merges[2U] ; unsigned long ticks[2U] ; unsigned long io_ticks ; unsigned long time_in_queue ; }; struct partition_meta_info { char uuid[37U] ; u8 volname[64U] ; }; struct hd_struct { sector_t start_sect ; sector_t nr_sects ; seqcount_t nr_sects_seq ; sector_t alignment_offset ; unsigned int discard_alignment ; struct device __dev ; struct kobject *holder_dir ; int policy ; int partno ; struct partition_meta_info *info ; int make_it_fail ; unsigned long stamp ; atomic_t in_flight[2U] ; struct disk_stats *dkstats ; atomic_t ref ; struct callback_head callback_head ; }; struct disk_part_tbl { struct callback_head callback_head ; int len ; struct hd_struct *last_lookup ; struct hd_struct *part[] ; }; struct disk_events; struct timer_rand_state; struct blk_integrity; struct gendisk { int major ; int first_minor ; int minors ; char disk_name[32U] ; char *(*devnode)(struct gendisk * , umode_t * ) ; unsigned int events ; unsigned int async_events ; struct disk_part_tbl *part_tbl ; struct hd_struct part0 ; struct block_device_operations const *fops ; struct request_queue *queue ; void *private_data ; int flags ; struct device *driverfs_dev ; struct kobject *slave_dir ; struct timer_rand_state *random ; atomic_t sync_io ; struct disk_events *ev ; struct blk_integrity *integrity ; int node_id ; }; struct exception_table_entry { int insn ; int fixup ; }; struct proc_dir_entry; struct fprop_local_percpu { struct percpu_counter events ; unsigned int period ; raw_spinlock_t lock ; }; typedef int congested_fn(void * , int ); struct bdi_writeback_congested { unsigned long state ; atomic_t refcnt ; struct backing_dev_info *bdi ; int blkcg_id ; struct rb_node rb_node ; }; union __anonunion____missing_field_name_256 { struct work_struct release_work ; struct callback_head rcu ; }; struct bdi_writeback { struct backing_dev_info *bdi ; unsigned long state ; unsigned long last_old_flush ; struct list_head b_dirty ; struct list_head b_io ; struct list_head b_more_io ; struct list_head b_dirty_time ; spinlock_t list_lock ; struct percpu_counter stat[4U] ; struct bdi_writeback_congested *congested ; unsigned long bw_time_stamp ; unsigned long dirtied_stamp ; unsigned long written_stamp ; unsigned long write_bandwidth ; unsigned long avg_write_bandwidth ; unsigned long dirty_ratelimit ; unsigned long balanced_dirty_ratelimit ; struct fprop_local_percpu completions ; int dirty_exceeded ; spinlock_t work_lock ; struct list_head work_list ; struct delayed_work dwork ; struct percpu_ref refcnt ; struct fprop_local_percpu memcg_completions ; struct cgroup_subsys_state *memcg_css ; struct cgroup_subsys_state *blkcg_css ; struct list_head memcg_node ; struct list_head blkcg_node ; union __anonunion____missing_field_name_256 __annonCompField76 ; }; struct backing_dev_info { struct list_head bdi_list ; unsigned long ra_pages ; unsigned int capabilities ; congested_fn *congested_fn ; void *congested_data ; char *name ; unsigned int min_ratio ; unsigned int max_ratio ; unsigned int max_prop_frac ; atomic_long_t tot_write_bandwidth ; struct bdi_writeback wb ; struct radix_tree_root cgwb_tree ; struct rb_root cgwb_congested_tree ; atomic_t usage_cnt ; wait_queue_head_t wb_waitq ; struct device *dev ; struct timer_list laptop_mode_wb_timer ; struct dentry *debug_dir ; struct dentry *debug_stats ; }; typedef void *mempool_alloc_t(gfp_t , void * ); typedef void mempool_free_t(void * , void * ); struct mempool_s { spinlock_t lock ; int min_nr ; int curr_nr ; void **elements ; void *pool_data ; mempool_alloc_t *alloc ; mempool_free_t *free ; wait_queue_head_t wait ; }; typedef struct mempool_s mempool_t; union __anonunion____missing_field_name_257 { struct list_head q_node ; struct kmem_cache *__rcu_icq_cache ; }; union __anonunion____missing_field_name_258 { struct hlist_node ioc_node ; struct callback_head __rcu_head ; }; struct io_cq { struct request_queue *q ; struct io_context *ioc ; union __anonunion____missing_field_name_257 __annonCompField77 ; union __anonunion____missing_field_name_258 __annonCompField78 ; unsigned int flags ; }; struct io_context { atomic_long_t refcount ; atomic_t active_ref ; atomic_t nr_tasks ; spinlock_t lock ; unsigned short ioprio ; int nr_batch_requests ; unsigned long last_waited ; struct radix_tree_root icq_tree ; struct io_cq *icq_hint ; struct hlist_head icq_list ; struct work_struct release_work ; }; struct bio_integrity_payload { struct bio *bip_bio ; struct bvec_iter bip_iter ; bio_end_io_t *bip_end_io ; unsigned short bip_slab ; unsigned short bip_vcnt ; unsigned short bip_max_vcnt ; unsigned short bip_flags ; struct work_struct bip_work ; struct bio_vec *bip_vec ; struct bio_vec bip_inline_vecs[0U] ; }; struct rq_map_data; struct bio_list { struct bio *head ; struct bio *tail ; }; struct bio_set { struct kmem_cache *bio_slab ; unsigned int front_pad ; mempool_t *bio_pool ; mempool_t *bvec_pool ; mempool_t *bio_integrity_pool ; mempool_t *bvec_integrity_pool ; spinlock_t rescue_lock ; struct bio_list rescue_list ; struct work_struct rescue_work ; struct workqueue_struct *rescue_workqueue ; }; struct bsg_class_device { struct device *class_dev ; struct device *parent ; int minor ; struct request_queue *queue ; struct kref ref ; void (*release)(struct device * ) ; }; struct scatterlist { unsigned long sg_magic ; unsigned long page_link ; unsigned int offset ; unsigned int length ; dma_addr_t dma_address ; unsigned int dma_length ; }; struct sg_table { struct scatterlist *sgl ; unsigned int nents ; unsigned int orig_nents ; }; struct elevator_queue; struct blk_trace; struct request; struct bsg_job; struct blkcg_gq; struct blk_flush_queue; typedef void rq_end_io_fn(struct request * , int ); struct request_list { struct request_queue *q ; struct blkcg_gq *blkg ; int count[2U] ; int starved[2U] ; mempool_t *rq_pool ; wait_queue_head_t wait[2U] ; unsigned int flags ; }; union __anonunion____missing_field_name_259 { struct call_single_data csd ; unsigned long fifo_time ; }; struct blk_mq_ctx; union __anonunion____missing_field_name_260 { struct hlist_node hash ; struct list_head ipi_list ; }; union __anonunion____missing_field_name_261 { struct rb_node rb_node ; void *completion_data ; }; struct __anonstruct_elv_263 { struct io_cq *icq ; void *priv[2U] ; }; struct __anonstruct_flush_264 { unsigned int seq ; struct list_head list ; rq_end_io_fn *saved_end_io ; }; union __anonunion____missing_field_name_262 { struct __anonstruct_elv_263 elv ; struct __anonstruct_flush_264 flush ; }; struct request { struct list_head queuelist ; union __anonunion____missing_field_name_259 __annonCompField79 ; struct request_queue *q ; struct blk_mq_ctx *mq_ctx ; u64 cmd_flags ; unsigned int cmd_type ; unsigned long atomic_flags ; int cpu ; unsigned int __data_len ; sector_t __sector ; struct bio *bio ; struct bio *biotail ; union __anonunion____missing_field_name_260 __annonCompField80 ; union __anonunion____missing_field_name_261 __annonCompField81 ; union __anonunion____missing_field_name_262 __annonCompField82 ; struct gendisk *rq_disk ; struct hd_struct *part ; unsigned long start_time ; struct request_list *rl ; unsigned long long start_time_ns ; unsigned long long io_start_time_ns ; unsigned short nr_phys_segments ; unsigned short nr_integrity_segments ; unsigned short ioprio ; void *special ; int tag ; int errors ; unsigned char __cmd[16U] ; unsigned char *cmd ; unsigned short cmd_len ; unsigned int extra_len ; unsigned int sense_len ; unsigned int resid_len ; void *sense ; unsigned long deadline ; struct list_head timeout_list ; unsigned int timeout ; int retries ; rq_end_io_fn *end_io ; void *end_io_data ; struct request *next_rq ; }; struct elevator_type; typedef int elevator_merge_fn(struct request_queue * , struct request ** , struct bio * ); typedef void elevator_merge_req_fn(struct request_queue * , struct request * , struct request * ); typedef void elevator_merged_fn(struct request_queue * , struct request * , int ); typedef int elevator_allow_merge_fn(struct request_queue * , struct request * , struct bio * ); typedef void elevator_bio_merged_fn(struct request_queue * , struct request * , struct bio * ); typedef int elevator_dispatch_fn(struct request_queue * , int ); typedef void elevator_add_req_fn(struct request_queue * , struct request * ); typedef struct request *elevator_request_list_fn(struct request_queue * , struct request * ); typedef void elevator_completed_req_fn(struct request_queue * , struct request * ); typedef int elevator_may_queue_fn(struct request_queue * , int ); typedef void elevator_init_icq_fn(struct io_cq * ); typedef void elevator_exit_icq_fn(struct io_cq * ); typedef int elevator_set_req_fn(struct request_queue * , struct request * , struct bio * , gfp_t ); typedef void elevator_put_req_fn(struct request * ); typedef void elevator_activate_req_fn(struct request_queue * , struct request * ); typedef void elevator_deactivate_req_fn(struct request_queue * , struct request * ); typedef int elevator_init_fn(struct request_queue * , struct elevator_type * ); typedef void elevator_exit_fn(struct elevator_queue * ); typedef void elevator_registered_fn(struct request_queue * ); struct elevator_ops { elevator_merge_fn *elevator_merge_fn ; elevator_merged_fn *elevator_merged_fn ; elevator_merge_req_fn *elevator_merge_req_fn ; elevator_allow_merge_fn *elevator_allow_merge_fn ; elevator_bio_merged_fn *elevator_bio_merged_fn ; elevator_dispatch_fn *elevator_dispatch_fn ; elevator_add_req_fn *elevator_add_req_fn ; elevator_activate_req_fn *elevator_activate_req_fn ; elevator_deactivate_req_fn *elevator_deactivate_req_fn ; elevator_completed_req_fn *elevator_completed_req_fn ; elevator_request_list_fn *elevator_former_req_fn ; elevator_request_list_fn *elevator_latter_req_fn ; elevator_init_icq_fn *elevator_init_icq_fn ; elevator_exit_icq_fn *elevator_exit_icq_fn ; elevator_set_req_fn *elevator_set_req_fn ; elevator_put_req_fn *elevator_put_req_fn ; elevator_may_queue_fn *elevator_may_queue_fn ; elevator_init_fn *elevator_init_fn ; elevator_exit_fn *elevator_exit_fn ; elevator_registered_fn *elevator_registered_fn ; }; struct elv_fs_entry { struct attribute attr ; ssize_t (*show)(struct elevator_queue * , char * ) ; ssize_t (*store)(struct elevator_queue * , char const * , size_t ) ; }; struct elevator_type { struct kmem_cache *icq_cache ; struct elevator_ops ops ; size_t icq_size ; size_t icq_align ; struct elv_fs_entry *elevator_attrs ; char elevator_name[16U] ; struct module *elevator_owner ; char icq_cache_name[21U] ; struct list_head list ; }; struct elevator_queue { struct elevator_type *type ; void *elevator_data ; struct kobject kobj ; struct mutex sysfs_lock ; unsigned char registered : 1 ; struct hlist_head hash[64U] ; }; typedef void request_fn_proc(struct request_queue * ); typedef void make_request_fn(struct request_queue * , struct bio * ); typedef int prep_rq_fn(struct request_queue * , struct request * ); typedef void unprep_rq_fn(struct request_queue * , struct request * ); struct bvec_merge_data { struct block_device *bi_bdev ; sector_t bi_sector ; unsigned int bi_size ; unsigned long bi_rw ; }; typedef int merge_bvec_fn(struct request_queue * , struct bvec_merge_data * , struct bio_vec * ); typedef void softirq_done_fn(struct request * ); typedef int dma_drain_needed_fn(struct request * ); typedef int lld_busy_fn(struct request_queue * ); typedef int bsg_job_fn(struct bsg_job * ); enum blk_eh_timer_return { BLK_EH_NOT_HANDLED = 0, BLK_EH_HANDLED = 1, BLK_EH_RESET_TIMER = 2 } ; typedef enum blk_eh_timer_return rq_timed_out_fn(struct request * ); struct blk_queue_tag { struct request **tag_index ; unsigned long *tag_map ; int busy ; int max_depth ; int real_max_depth ; atomic_t refcnt ; int alloc_policy ; int next_tag ; }; struct queue_limits { unsigned long bounce_pfn ; unsigned long seg_boundary_mask ; unsigned int max_hw_sectors ; unsigned int chunk_sectors ; unsigned int max_sectors ; unsigned int max_segment_size ; unsigned int physical_block_size ; unsigned int alignment_offset ; unsigned int io_min ; unsigned int io_opt ; unsigned int max_discard_sectors ; unsigned int max_write_same_sectors ; unsigned int discard_granularity ; unsigned int discard_alignment ; unsigned short logical_block_size ; unsigned short max_segments ; unsigned short max_integrity_segments ; unsigned char misaligned ; unsigned char discard_misaligned ; unsigned char cluster ; unsigned char discard_zeroes_data ; unsigned char raid_partial_stripes_expensive ; }; struct blk_mq_ops; struct blk_mq_hw_ctx; struct throtl_data; struct blk_mq_tag_set; struct request_queue { struct list_head queue_head ; struct request *last_merge ; struct elevator_queue *elevator ; int nr_rqs[2U] ; int nr_rqs_elvpriv ; struct request_list root_rl ; request_fn_proc *request_fn ; make_request_fn *make_request_fn ; prep_rq_fn *prep_rq_fn ; unprep_rq_fn *unprep_rq_fn ; merge_bvec_fn *merge_bvec_fn ; softirq_done_fn *softirq_done_fn ; rq_timed_out_fn *rq_timed_out_fn ; dma_drain_needed_fn *dma_drain_needed ; lld_busy_fn *lld_busy_fn ; struct blk_mq_ops *mq_ops ; unsigned int *mq_map ; struct blk_mq_ctx *queue_ctx ; unsigned int nr_queues ; struct blk_mq_hw_ctx **queue_hw_ctx ; unsigned int nr_hw_queues ; sector_t end_sector ; struct request *boundary_rq ; struct delayed_work delay_work ; struct backing_dev_info backing_dev_info ; void *queuedata ; unsigned long queue_flags ; int id ; gfp_t bounce_gfp ; spinlock_t __queue_lock ; spinlock_t *queue_lock ; struct kobject kobj ; struct kobject mq_kobj ; struct device *dev ; int rpm_status ; unsigned int nr_pending ; unsigned long nr_requests ; unsigned int nr_congestion_on ; unsigned int nr_congestion_off ; unsigned int nr_batching ; unsigned int dma_drain_size ; void *dma_drain_buffer ; unsigned int dma_pad_mask ; unsigned int dma_alignment ; struct blk_queue_tag *queue_tags ; struct list_head tag_busy_list ; unsigned int nr_sorted ; unsigned int in_flight[2U] ; unsigned int request_fn_active ; unsigned int rq_timeout ; struct timer_list timeout ; struct list_head timeout_list ; struct list_head icq_list ; unsigned long blkcg_pols[1U] ; struct blkcg_gq *root_blkg ; struct list_head blkg_list ; struct queue_limits limits ; unsigned int sg_timeout ; unsigned int sg_reserved_size ; int node ; struct blk_trace *blk_trace ; unsigned int flush_flags ; unsigned char flush_not_queueable : 1 ; struct blk_flush_queue *fq ; struct list_head requeue_list ; spinlock_t requeue_lock ; struct work_struct requeue_work ; struct mutex sysfs_lock ; int bypass_depth ; atomic_t mq_freeze_depth ; bsg_job_fn *bsg_job_fn ; int bsg_job_size ; struct bsg_class_device bsg_dev ; struct throtl_data *td ; struct callback_head callback_head ; wait_queue_head_t mq_freeze_wq ; struct percpu_ref mq_usage_counter ; struct list_head all_q_node ; struct blk_mq_tag_set *tag_set ; struct list_head tag_set_list ; }; struct rq_map_data { struct page **pages ; int page_order ; int nr_entries ; unsigned long offset ; int null_mapped ; int from_user ; }; struct blk_plug { struct list_head list ; struct list_head mq_list ; struct list_head cb_list ; }; struct blk_integrity_iter { void *prot_buf ; void *data_buf ; sector_t seed ; unsigned int data_size ; unsigned short interval ; char const *disk_name ; }; typedef int integrity_processing_fn(struct blk_integrity_iter * ); struct blk_integrity { integrity_processing_fn *generate_fn ; integrity_processing_fn *verify_fn ; unsigned short flags ; unsigned short tuple_size ; unsigned short interval ; unsigned short tag_size ; char const *name ; struct kobject kobj ; }; struct block_device_operations { int (*open)(struct block_device * , fmode_t ) ; void (*release)(struct gendisk * , fmode_t ) ; int (*rw_page)(struct block_device * , sector_t , struct page * , int ) ; int (*ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; int (*compat_ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; long (*direct_access)(struct block_device * , sector_t , void ** , unsigned long * , long ) ; unsigned int (*check_events)(struct gendisk * , unsigned int ) ; int (*media_changed)(struct gendisk * ) ; void (*unlock_native_capacity)(struct gendisk * ) ; int (*revalidate_disk)(struct gendisk * ) ; int (*getgeo)(struct block_device * , struct hd_geometry * ) ; void (*swap_slot_free_notify)(struct block_device * , unsigned long ) ; struct module *owner ; }; struct cdev { struct kobject kobj ; struct module *owner ; struct file_operations const *ops ; struct list_head list ; dev_t dev ; unsigned int count ; }; struct scsi_sense_hdr { u8 response_code ; u8 sense_key ; u8 asc ; u8 ascq ; u8 byte4 ; u8 byte5 ; u8 byte6 ; u8 additional_length ; }; struct scsi_cmnd; struct scsi_device; enum scsi_device_state { SDEV_CREATED = 1, SDEV_RUNNING = 2, SDEV_CANCEL = 3, SDEV_DEL = 4, SDEV_QUIESCE = 5, SDEV_OFFLINE = 6, SDEV_TRANSPORT_OFFLINE = 7, SDEV_BLOCK = 8, SDEV_CREATED_BLOCK = 9 } ; struct Scsi_Host; struct scsi_target; struct scsi_dh_data; struct scsi_device { struct Scsi_Host *host ; struct request_queue *request_queue ; struct list_head siblings ; struct list_head same_target_siblings ; atomic_t device_busy ; atomic_t device_blocked ; spinlock_t list_lock ; struct list_head cmd_list ; struct list_head starved_entry ; struct scsi_cmnd *current_cmnd ; unsigned short queue_depth ; unsigned short max_queue_depth ; unsigned short last_queue_full_depth ; unsigned short last_queue_full_count ; unsigned long last_queue_full_time ; unsigned long queue_ramp_up_period ; unsigned long last_queue_ramp_up ; unsigned int id ; unsigned int channel ; u64 lun ; unsigned int manufacturer ; unsigned int sector_size ; void *hostdata ; char type ; char scsi_level ; char inq_periph_qual ; unsigned char inquiry_len ; unsigned char *inquiry ; char const *vendor ; char const *model ; char const *rev ; int vpd_pg83_len ; unsigned char *vpd_pg83 ; int vpd_pg80_len ; unsigned char *vpd_pg80 ; unsigned char current_tag ; struct scsi_target *sdev_target ; unsigned int sdev_bflags ; unsigned int eh_timeout ; unsigned char removable : 1 ; unsigned char changed : 1 ; unsigned char busy : 1 ; unsigned char lockable : 1 ; unsigned char locked : 1 ; unsigned char borken : 1 ; unsigned char disconnect : 1 ; unsigned char soft_reset : 1 ; unsigned char sdtr : 1 ; unsigned char wdtr : 1 ; unsigned char ppr : 1 ; unsigned char tagged_supported : 1 ; unsigned char simple_tags : 1 ; unsigned char was_reset : 1 ; unsigned char expecting_cc_ua : 1 ; unsigned char use_10_for_rw : 1 ; unsigned char use_10_for_ms : 1 ; unsigned char no_report_opcodes : 1 ; unsigned char no_write_same : 1 ; unsigned char use_16_for_rw : 1 ; unsigned char skip_ms_page_8 : 1 ; unsigned char skip_ms_page_3f : 1 ; unsigned char skip_vpd_pages : 1 ; unsigned char try_vpd_pages : 1 ; unsigned char use_192_bytes_for_3f : 1 ; unsigned char no_start_on_add : 1 ; unsigned char allow_restart : 1 ; unsigned char manage_start_stop : 1 ; unsigned char start_stop_pwr_cond : 1 ; unsigned char no_uld_attach : 1 ; unsigned char select_no_atn : 1 ; unsigned char fix_capacity : 1 ; unsigned char guess_capacity : 1 ; unsigned char retry_hwerror : 1 ; unsigned char last_sector_bug : 1 ; unsigned char no_read_disc_info : 1 ; unsigned char no_read_capacity_16 : 1 ; unsigned char try_rc_10_first : 1 ; unsigned char is_visible : 1 ; unsigned char wce_default_on : 1 ; unsigned char no_dif : 1 ; unsigned char broken_fua : 1 ; unsigned char lun_in_cdb : 1 ; atomic_t disk_events_disable_depth ; unsigned long supported_events[1U] ; unsigned long pending_events[1U] ; struct list_head event_list ; struct work_struct event_work ; unsigned int max_device_blocked ; atomic_t iorequest_cnt ; atomic_t iodone_cnt ; atomic_t ioerr_cnt ; struct device sdev_gendev ; struct device sdev_dev ; struct execute_work ew ; struct work_struct requeue_work ; struct scsi_dh_data *scsi_dh_data ; enum scsi_device_state sdev_state ; unsigned long sdev_data[0U] ; }; struct scsi_device_handler { struct list_head list ; struct module *module ; char const *name ; int (*check_sense)(struct scsi_device * , struct scsi_sense_hdr * ) ; struct scsi_dh_data *(*attach)(struct scsi_device * ) ; void (*detach)(struct scsi_device * ) ; int (*activate)(struct scsi_device * , void (*)(void * , int ) , void * ) ; int (*prep_fn)(struct scsi_device * , struct request * ) ; int (*set_params)(struct scsi_device * , char const * ) ; bool (*match)(struct scsi_device * ) ; }; struct scsi_dh_data { struct scsi_device_handler *scsi_dh ; struct scsi_device *sdev ; struct kref kref ; }; enum scsi_target_state { STARGET_CREATED = 1, STARGET_RUNNING = 2, STARGET_DEL = 3 } ; struct scsi_target { struct scsi_device *starget_sdev_user ; struct list_head siblings ; struct list_head devices ; struct device dev ; struct kref reap_ref ; unsigned int channel ; unsigned int id ; unsigned char create : 1 ; unsigned char single_lun : 1 ; unsigned char pdt_1f_for_no_lun : 1 ; unsigned char no_report_luns : 1 ; unsigned char expecting_lun_change : 1 ; atomic_t target_busy ; atomic_t target_blocked ; unsigned int can_queue ; unsigned int max_target_blocked ; char scsi_level ; enum scsi_target_state state ; void *hostdata ; unsigned long starget_data[0U] ; }; struct scsi_driver { struct device_driver gendrv ; void (*rescan)(struct device * ) ; int (*init_command)(struct scsi_cmnd * ) ; void (*uninit_command)(struct scsi_cmnd * ) ; int (*done)(struct scsi_cmnd * ) ; int (*eh_action)(struct scsi_cmnd * , int ) ; }; struct dma_attrs { unsigned long flags[1U] ; }; enum dma_data_direction { DMA_BIDIRECTIONAL = 0, DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, DMA_NONE = 3 } ; struct dma_map_ops { void *(*alloc)(struct device * , size_t , dma_addr_t * , gfp_t , struct dma_attrs * ) ; void (*free)(struct device * , size_t , void * , dma_addr_t , struct dma_attrs * ) ; int (*mmap)(struct device * , struct vm_area_struct * , void * , dma_addr_t , size_t , struct dma_attrs * ) ; int (*get_sgtable)(struct device * , struct sg_table * , void * , dma_addr_t , size_t , struct dma_attrs * ) ; dma_addr_t (*map_page)(struct device * , struct page * , unsigned long , size_t , enum dma_data_direction , struct dma_attrs * ) ; void (*unmap_page)(struct device * , dma_addr_t , size_t , enum dma_data_direction , struct dma_attrs * ) ; int (*map_sg)(struct device * , struct scatterlist * , int , enum dma_data_direction , struct dma_attrs * ) ; void (*unmap_sg)(struct device * , struct scatterlist * , int , enum dma_data_direction , struct dma_attrs * ) ; void (*sync_single_for_cpu)(struct device * , dma_addr_t , size_t , enum dma_data_direction ) ; void (*sync_single_for_device)(struct device * , dma_addr_t , size_t , enum dma_data_direction ) ; void (*sync_sg_for_cpu)(struct device * , struct scatterlist * , int , enum dma_data_direction ) ; void (*sync_sg_for_device)(struct device * , struct scatterlist * , int , enum dma_data_direction ) ; int (*mapping_error)(struct device * , dma_addr_t ) ; int (*dma_supported)(struct device * , u64 ) ; int (*set_dma_mask)(struct device * , u64 ) ; int is_phys ; }; struct scsi_data_buffer { struct sg_table table ; unsigned int length ; int resid ; }; struct scsi_pointer { char *ptr ; int this_residual ; struct scatterlist *buffer ; int buffers_residual ; dma_addr_t dma_handle ; int volatile Status ; int volatile Message ; int volatile have_data_in ; int volatile sent_command ; int volatile phase ; }; struct scsi_cmnd { struct scsi_device *device ; struct list_head list ; struct list_head eh_entry ; struct delayed_work abort_work ; int eh_eflags ; unsigned long serial_number ; unsigned long jiffies_at_alloc ; int retries ; int allowed ; unsigned char prot_op ; unsigned char prot_type ; unsigned char prot_flags ; unsigned short cmd_len ; enum dma_data_direction sc_data_direction ; unsigned char *cmnd ; struct scsi_data_buffer sdb ; struct scsi_data_buffer *prot_sdb ; unsigned int underflow ; unsigned int transfersize ; struct request *request ; unsigned char *sense_buffer ; void (*scsi_done)(struct scsi_cmnd * ) ; struct scsi_pointer SCp ; unsigned char *host_scribble ; int result ; int flags ; unsigned char tag ; }; struct blk_mq_tags; struct blk_mq_cpu_notifier { struct list_head list ; void *data ; int (*notify)(void * , unsigned long , unsigned int ) ; }; struct blk_align_bitmap; struct blk_mq_ctxmap { unsigned int size ; unsigned int bits_per_word ; struct blk_align_bitmap *map ; }; struct __anonstruct____missing_field_name_266 { spinlock_t lock ; struct list_head dispatch ; }; struct blk_mq_hw_ctx { struct __anonstruct____missing_field_name_266 __annonCompField83 ; unsigned long state ; struct delayed_work run_work ; struct delayed_work delay_work ; cpumask_var_t cpumask ; int next_cpu ; int next_cpu_batch ; unsigned long flags ; struct request_queue *queue ; struct blk_flush_queue *fq ; void *driver_data ; struct blk_mq_ctxmap ctx_map ; unsigned int nr_ctx ; struct blk_mq_ctx **ctxs ; atomic_t wait_index ; struct blk_mq_tags *tags ; unsigned long queued ; unsigned long run ; unsigned long dispatched[10U] ; unsigned int numa_node ; unsigned int queue_num ; atomic_t nr_active ; struct blk_mq_cpu_notifier cpu_notifier ; struct kobject kobj ; }; struct blk_mq_tag_set { struct blk_mq_ops *ops ; unsigned int nr_hw_queues ; unsigned int queue_depth ; unsigned int reserved_tags ; unsigned int cmd_size ; int numa_node ; unsigned int timeout ; unsigned int flags ; void *driver_data ; struct blk_mq_tags **tags ; struct mutex tag_list_lock ; struct list_head tag_list ; }; struct blk_mq_queue_data { struct request *rq ; struct list_head *list ; bool last ; }; typedef int queue_rq_fn(struct blk_mq_hw_ctx * , struct blk_mq_queue_data const * ); typedef struct blk_mq_hw_ctx *map_queue_fn(struct request_queue * , int const ); typedef enum blk_eh_timer_return timeout_fn(struct request * , bool ); typedef int init_hctx_fn(struct blk_mq_hw_ctx * , void * , unsigned int ); typedef void exit_hctx_fn(struct blk_mq_hw_ctx * , unsigned int ); typedef int init_request_fn(void * , struct request * , unsigned int , unsigned int , unsigned int ); typedef void exit_request_fn(void * , struct request * , unsigned int , unsigned int ); struct blk_mq_ops { queue_rq_fn *queue_rq ; map_queue_fn *map_queue ; timeout_fn *timeout ; softirq_done_fn *complete ; init_hctx_fn *init_hctx ; exit_hctx_fn *exit_hctx ; init_request_fn *init_request ; exit_request_fn *exit_request ; }; struct scsi_host_cmd_pool; struct scsi_transport_template; struct scsi_host_template { struct module *module ; char const *name ; int (*detect)(struct scsi_host_template * ) ; int (*release)(struct Scsi_Host * ) ; char const *(*info)(struct Scsi_Host * ) ; int (*ioctl)(struct scsi_device * , int , void * ) ; int (*compat_ioctl)(struct scsi_device * , int , void * ) ; int (*queuecommand)(struct Scsi_Host * , struct scsi_cmnd * ) ; int (*eh_abort_handler)(struct scsi_cmnd * ) ; int (*eh_device_reset_handler)(struct scsi_cmnd * ) ; int (*eh_target_reset_handler)(struct scsi_cmnd * ) ; int (*eh_bus_reset_handler)(struct scsi_cmnd * ) ; int (*eh_host_reset_handler)(struct scsi_cmnd * ) ; int (*slave_alloc)(struct scsi_device * ) ; int (*slave_configure)(struct scsi_device * ) ; void (*slave_destroy)(struct scsi_device * ) ; int (*target_alloc)(struct scsi_target * ) ; void (*target_destroy)(struct scsi_target * ) ; int (*scan_finished)(struct Scsi_Host * , unsigned long ) ; void (*scan_start)(struct Scsi_Host * ) ; int (*change_queue_depth)(struct scsi_device * , int ) ; int (*bios_param)(struct scsi_device * , struct block_device * , sector_t , int * ) ; void (*unlock_native_capacity)(struct scsi_device * ) ; int (*show_info)(struct seq_file * , struct Scsi_Host * ) ; int (*write_info)(struct Scsi_Host * , char * , int ) ; enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd * ) ; int (*host_reset)(struct Scsi_Host * , int ) ; char const *proc_name ; struct proc_dir_entry *proc_dir ; int can_queue ; int this_id ; unsigned short sg_tablesize ; unsigned short sg_prot_tablesize ; unsigned int max_sectors ; unsigned long dma_boundary ; short cmd_per_lun ; unsigned char present ; int tag_alloc_policy ; unsigned char use_blk_tags : 1 ; unsigned char track_queue_depth : 1 ; unsigned char supported_mode : 2 ; unsigned char unchecked_isa_dma : 1 ; unsigned char use_clustering : 1 ; unsigned char emulated : 1 ; unsigned char skip_settle_delay : 1 ; unsigned char no_write_same : 1 ; unsigned char no_async_abort : 1 ; unsigned int max_host_blocked ; struct device_attribute **shost_attrs ; struct device_attribute **sdev_attrs ; struct list_head legacy_hosts ; u64 vendor_id ; unsigned int cmd_size ; struct scsi_host_cmd_pool *cmd_pool ; bool disable_blk_mq ; }; enum scsi_host_state { SHOST_CREATED = 1, SHOST_RUNNING = 2, SHOST_CANCEL = 3, SHOST_DEL = 4, SHOST_RECOVERY = 5, SHOST_CANCEL_RECOVERY = 6, SHOST_DEL_RECOVERY = 7 } ; union __anonunion____missing_field_name_267 { struct blk_queue_tag *bqt ; struct blk_mq_tag_set tag_set ; }; struct Scsi_Host { struct list_head __devices ; struct list_head __targets ; struct scsi_host_cmd_pool *cmd_pool ; spinlock_t free_list_lock ; struct list_head free_list ; struct list_head starved_list ; spinlock_t default_lock ; spinlock_t *host_lock ; struct mutex scan_mutex ; struct list_head eh_cmd_q ; struct task_struct *ehandler ; struct completion *eh_action ; wait_queue_head_t host_wait ; struct scsi_host_template *hostt ; struct scsi_transport_template *transportt ; union __anonunion____missing_field_name_267 __annonCompField84 ; atomic_t host_busy ; atomic_t host_blocked ; unsigned int host_failed ; unsigned int host_eh_scheduled ; unsigned int host_no ; int eh_deadline ; unsigned long last_reset ; unsigned int max_channel ; unsigned int max_id ; u64 max_lun ; unsigned int unique_id ; unsigned short max_cmd_len ; int this_id ; int can_queue ; short cmd_per_lun ; unsigned short sg_tablesize ; unsigned short sg_prot_tablesize ; unsigned int max_sectors ; unsigned long dma_boundary ; unsigned int nr_hw_queues ; unsigned long cmd_serial_number ; unsigned char active_mode : 2 ; unsigned char unchecked_isa_dma : 1 ; unsigned char use_clustering : 1 ; unsigned char host_self_blocked : 1 ; unsigned char reverse_ordering : 1 ; unsigned char tmf_in_progress : 1 ; unsigned char async_scan : 1 ; unsigned char eh_noresume : 1 ; unsigned char no_write_same : 1 ; unsigned char use_blk_mq : 1 ; unsigned char use_cmd_list : 1 ; char work_q_name[20U] ; struct workqueue_struct *work_q ; struct workqueue_struct *tmf_work_q ; unsigned char no_scsi2_lun_in_cdb : 1 ; unsigned int max_host_blocked ; unsigned int prot_capabilities ; unsigned char prot_guard_type ; struct request_queue *uspace_req_q ; unsigned long base ; unsigned long io_port ; unsigned char n_io_port ; unsigned char dma_channel ; unsigned int irq ; enum scsi_host_state shost_state ; struct device shost_gendev ; struct device shost_dev ; struct list_head sht_legacy_list ; void *shost_data ; struct device *dma_dev ; unsigned long hostdata[0U] ; }; struct st_cmdstatus { int midlevel_result ; struct scsi_sense_hdr sense_hdr ; int have_sense ; int residual ; u64 uremainder64 ; u8 flags ; u8 remainder_valid ; u8 fixed_format ; u8 deferred ; }; struct scsi_tape; struct st_request { unsigned char cmd[16U] ; unsigned char sense[96U] ; int result ; struct scsi_tape *stp ; struct completion *waiting ; struct bio *bio ; }; struct st_buffer { unsigned char dma ; unsigned char cleared ; unsigned short do_dio ; int buffer_size ; int buffer_blocks ; int buffer_bytes ; int read_pointer ; int writing ; int syscall_result ; struct st_request *last_SRpnt ; struct st_cmdstatus cmdstat ; struct page **reserved_pages ; int reserved_page_order ; struct page **mapped_pages ; struct rq_map_data map_data ; unsigned char *b_data ; unsigned short use_sg ; unsigned short sg_segs ; unsigned short frp_segs ; }; struct st_modedef { unsigned char defined ; unsigned char sysv ; unsigned char do_async_writes ; unsigned char do_buffer_writes ; unsigned char do_read_ahead ; unsigned char defaults_for_writes ; unsigned char default_compression ; short default_density ; int default_blksize ; struct scsi_tape *tape ; struct device *devs[2U] ; struct cdev *cdevs[2U] ; }; struct st_partstat { unsigned char rw ; unsigned char eof ; unsigned char at_sm ; unsigned char last_block_valid ; u32 last_block_visited ; int drv_block ; int drv_file ; }; struct scsi_tape_stats { atomic64_t read_byte_cnt ; atomic64_t write_byte_cnt ; atomic64_t in_flight ; atomic64_t read_cnt ; atomic64_t write_cnt ; atomic64_t other_cnt ; atomic64_t resid_cnt ; atomic64_t tot_read_time ; atomic64_t tot_write_time ; atomic64_t tot_io_time ; ktime_t read_time ; ktime_t write_time ; ktime_t other_time ; atomic_t last_read_size ; atomic_t last_write_size ; }; struct scsi_tape { struct scsi_driver *driver ; struct scsi_device *device ; struct mutex lock ; struct completion wait ; struct st_buffer *buffer ; int index ; unsigned char omit_blklims ; unsigned char do_auto_lock ; unsigned char can_bsr ; unsigned char can_partitions ; unsigned char two_fm ; unsigned char fast_mteom ; unsigned char immediate ; unsigned char restr_dma ; unsigned char scsi2_logical ; unsigned char default_drvbuffer ; unsigned char cln_mode ; unsigned char cln_sense_value ; unsigned char cln_sense_mask ; unsigned char use_pf ; unsigned char try_dio ; unsigned char try_dio_now ; unsigned char c_algo ; unsigned char pos_unknown ; unsigned char sili ; unsigned char immediate_filemark ; int tape_type ; int long_timeout ; unsigned long max_pfn ; struct st_modedef modes[4U] ; int current_mode ; int partition ; int new_partition ; int nbr_partitions ; struct st_partstat ps[4U] ; unsigned char dirty ; unsigned char ready ; unsigned char write_prot ; unsigned char drv_write_prot ; unsigned char in_use ; unsigned char blksize_changed ; unsigned char density_changed ; unsigned char compression_changed ; unsigned char drv_buffer ; unsigned char density ; unsigned char door_locked ; unsigned char autorew_dev ; unsigned char rew_at_close ; unsigned char inited ; unsigned char cleaning_req ; int block_size ; int min_block ; int max_block ; int recover_count ; int recover_reg ; unsigned char write_pending ; int nbr_finished ; int nbr_waits ; int nbr_requests ; int nbr_dio ; int nbr_pages ; unsigned char last_cmnd[6U] ; unsigned char last_sense[16U] ; struct gendisk *disk ; struct kref kref ; struct scsi_tape_stats *stats ; }; struct st_reject_data { char *vendor ; char *model ; char *rev ; char *driver_hint ; }; __inline static long ldv__builtin_expect(long exp , long c ) ; __inline static void __read_once_size(void const volatile *p , void *res , int size ) { { switch (size) { case 1: *((__u8 *)res) = *((__u8 volatile *)p); goto ldv_880; case 2: *((__u16 *)res) = *((__u16 volatile *)p); goto ldv_880; case 4: *((__u32 *)res) = *((__u32 volatile *)p); goto ldv_880; case 8: *((__u64 *)res) = *((__u64 volatile *)p); goto ldv_880; default: __asm__ volatile ("": : : "memory"); __builtin_memcpy(res, (void const *)p, (unsigned long )size); __asm__ volatile ("": : : "memory"); } ldv_880: ; return; } } extern struct module __this_module ; __inline static void set_bit(long nr , unsigned long volatile *addr ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); return; } } __inline static int variable_test_bit(long nr , unsigned long const volatile *addr ) { int oldbit ; { __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); return (oldbit); } } extern int printk(char const * , ...) ; extern void __might_fault(char const * , int ) ; extern int sprintf(char * , char const * , ...) ; extern int snprintf(char * , size_t , char const * , ...) ; bool ldv_is_err(void const *ptr ) ; long ldv_ptr_err(void const *ptr ) ; extern void __bad_percpu_size(void) ; extern void warn_slowpath_null(char const * , int const ) ; extern struct task_struct *current_task ; __inline static struct task_struct *get_current(void) { struct task_struct *pfo_ret__ ; { switch (8UL) { case 1UL: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 2UL: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 4UL: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; case 8UL: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_3129; default: __bad_percpu_size(); } ldv_3129: ; return (pfo_ret__); } } extern void *memcpy(void * , void const * , size_t ) ; extern void *memset(void * , int , size_t ) ; extern void *__memmove(void * , void const * , size_t ) ; extern size_t strlen(char const * ) ; extern int strncmp(char const * , char const * , __kernel_size_t ) ; __inline static long PTR_ERR(void const *ptr ) ; __inline static bool IS_ERR(void const *ptr ) ; extern void __xadd_wrong_size(void) ; __inline static int atomic_read(atomic_t const *v ) { int __var ; { __var = 0; return ((int )*((int const volatile *)(& v->counter))); } } __inline static void atomic_set(atomic_t *v , int i ) { { v->counter = i; return; } } __inline static int atomic_sub_and_test(int i , atomic_t *v ) { char c ; { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); return ((int )((signed char )c) != 0); } } __inline static int atomic_add_return(int i , atomic_t *v ) { int __ret ; { __ret = i; switch (4UL) { case 1UL: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); goto ldv_5659; case 2UL: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); goto ldv_5659; case 4UL: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); goto ldv_5659; case 8UL: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); goto ldv_5659; default: __xadd_wrong_size(); } ldv_5659: ; return (__ret + i); } } __inline static long atomic64_read(atomic64_t const *v ) { long __var ; { __var = 0L; return ((long )*((long const volatile *)(& v->counter))); } } __inline static void atomic64_add(long i , atomic64_t *v ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); return; } } __inline static void atomic64_inc(atomic64_t *v ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incq %0": "=m" (v->counter): "m" (v->counter)); return; } } __inline static void atomic64_dec(atomic64_t *v ) { { __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decq %0": "=m" (v->counter): "m" (v->counter)); return; } } __inline static long atomic_long_read(atomic_long_t *l ) { atomic64_t *v ; long tmp ; { v = l; tmp = atomic64_read((atomic64_t const *)v); return (tmp); } } __inline static int test_ti_thread_flag(struct thread_info *ti , int flag ) { int tmp ; { tmp = variable_test_bit((long )flag, (unsigned long const volatile *)(& ti->flags)); return (tmp); } } extern int __preempt_count ; __inline static void __preempt_count_sub(int val ) { int pao_ID__ ; { pao_ID__ = 0; switch (4UL) { case 1UL: ; if (pao_ID__ == 1) { __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); } else if (pao_ID__ == -1) { __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); } else { __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); } goto ldv_6071; case 2UL: ; if (pao_ID__ == 1) { __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); } else if (pao_ID__ == -1) { __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); } else { __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); } goto ldv_6071; case 4UL: ; if (pao_ID__ == 1) { __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); } else if (pao_ID__ == -1) { __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); } else { __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); } goto ldv_6071; case 8UL: ; if (pao_ID__ == 1) { __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); } else if (pao_ID__ == -1) { __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); } else { __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); } goto ldv_6071; default: __bad_percpu_size(); } ldv_6071: ; return; } } extern void _raw_spin_lock(raw_spinlock_t * ) ; extern void _raw_spin_unlock(raw_spinlock_t * ) ; __inline static void spin_lock(spinlock_t *lock ) { { _raw_spin_lock(& lock->__annonCompField18.rlock); return; } } __inline static void spin_unlock(spinlock_t *lock ) { { _raw_spin_unlock(& lock->__annonCompField18.rlock); return; } } extern void __init_waitqueue_head(wait_queue_head_t * , char const * , struct lock_class_key * ) ; extern void __mutex_init(struct mutex * , char const * , struct lock_class_key * ) ; extern void mutex_lock_nested(struct mutex * , unsigned int ) ; extern int mutex_lock_interruptible_nested(struct mutex * , unsigned int ) ; extern void mutex_unlock(struct mutex * ) ; __inline static void init_completion(struct completion *x ) { struct lock_class_key __key ; { x->done = 0U; __init_waitqueue_head(& x->wait, "&x->wait", & __key); return; } } extern void wait_for_completion(struct completion * ) ; extern void complete(struct completion * ) ; extern ktime_t ktime_get(void) ; extern int debug_lockdep_rcu_enabled(void) ; extern struct page *alloc_pages_current(gfp_t , unsigned int ) ; __inline static struct page *alloc_pages(gfp_t gfp_mask , unsigned int order ) { struct page *tmp ; { tmp = alloc_pages_current(gfp_mask, order); return (tmp); } } extern void __free_pages(struct page * , unsigned int ) ; extern void *idr_find_slowpath(struct idr * , int ) ; extern void idr_preload(gfp_t ) ; extern int idr_alloc(struct idr * , void * , int , int , gfp_t ) ; extern void idr_remove(struct idr * , int ) ; __inline static void idr_preload_end(void) { { __asm__ volatile ("": : : "memory"); __preempt_count_sub(1); return; } } __inline static void *idr_find(struct idr *idr , int id ) { struct idr_layer *hint ; struct idr_layer *________p1 ; struct idr_layer *_________p1 ; union __anonunion___u_168 __u ; int tmp ; struct idr_layer *________p1___0 ; struct idr_layer *_________p1___0 ; union __anonunion___u_170 __u___0 ; int tmp___0 ; void *tmp___1 ; { __read_once_size((void const volatile *)(& idr->hint), (void *)(& __u.__c), 8); _________p1 = __u.__val; ________p1 = _________p1; tmp = debug_lockdep_rcu_enabled(); hint = ________p1; if ((unsigned long )hint != (unsigned long )((struct idr_layer *)0) && (id & -256) == hint->prefix) { __read_once_size((void const volatile *)(& hint->ary) + ((unsigned long )id & 255UL), (void *)(& __u___0.__c), 8); _________p1___0 = __u___0.__val; ________p1___0 = _________p1___0; tmp___0 = debug_lockdep_rcu_enabled(); return ((void *)________p1___0); } else { } tmp___1 = idr_find_slowpath(idr, id); return (tmp___1); } } extern int sysfs_create_link(struct kobject * , struct kobject * , char const * ) ; extern void sysfs_remove_link(struct kobject * , char const * ) ; __inline static void kref_init(struct kref *kref ) { { atomic_set(& kref->refcount, 1); return; } } __inline static void kref_get(struct kref *kref ) { bool __warned ; int __ret_warn_once ; int tmp ; int __ret_warn_on ; long tmp___0 ; long tmp___1 ; long tmp___2 ; { tmp = atomic_add_return(1, & kref->refcount); __ret_warn_once = tmp <= 1; tmp___2 = ldv__builtin_expect(__ret_warn_once != 0, 0L); if (tmp___2 != 0L) { __ret_warn_on = ! __warned; tmp___0 = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp___0 != 0L) { warn_slowpath_null("include/linux/kref.h", 47); } else { } tmp___1 = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp___1 != 0L) { __warned = 1; } else { } } else { } ldv__builtin_expect(__ret_warn_once != 0, 0L); return; } } __inline static int kref_sub(struct kref *kref , unsigned int count , void (*release)(struct kref * ) ) { int __ret_warn_on ; long tmp ; int tmp___0 ; { __ret_warn_on = (unsigned long )release == (unsigned long )((void (*)(struct kref * ))0); tmp = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp != 0L) { warn_slowpath_null("include/linux/kref.h", 71); } else { } ldv__builtin_expect(__ret_warn_on != 0, 0L); tmp___0 = atomic_sub_and_test((int )count, & kref->refcount); if (tmp___0 != 0) { (*release)(kref); return (1); } else { } return (0); } } __inline static int kref_put(struct kref *kref , void (*release)(struct kref * ) ) { int tmp ; { tmp = kref_sub(kref, 1U, release); return (tmp); } } extern bool capable(int ) ; __inline static int test_tsk_thread_flag(struct task_struct *tsk , int flag ) { int tmp ; { tmp = test_ti_thread_flag((struct thread_info *)tsk->stack, flag); return (tmp); } } __inline static int signal_pending(struct task_struct *p ) { int tmp ; long tmp___0 ; { tmp = test_tsk_thread_flag(p, 2); tmp___0 = ldv__builtin_expect(tmp != 0, 0L); return ((int )tmp___0); } } extern void kfree(void const * ) ; extern void *__kmalloc(size_t , gfp_t ) ; __inline static void *kmalloc(size_t size , gfp_t flags ) { void *tmp___2 ; { tmp___2 = __kmalloc(size, flags); return (tmp___2); } } __inline static void *kzalloc(size_t size , gfp_t flags ) { void *tmp ; { tmp = kmalloc(size, flags | 32768U); return (tmp); } } extern void *malloc(size_t ) ; extern void *calloc(size_t , size_t ) ; extern int __VERIFIER_nondet_int(void) ; extern unsigned long __VERIFIER_nondet_ulong(void) ; extern void *__VERIFIER_nondet_pointer(void) ; extern void __VERIFIER_assume(int ) ; void *ldv_malloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = malloc(size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_zalloc(size_t size ) { void *p ; void *tmp ; int tmp___0 ; { tmp___0 = __VERIFIER_nondet_int(); if (tmp___0 != 0) { return ((void *)0); } else { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } } void *ldv_init_zalloc(size_t size ) { void *p ; void *tmp ; { tmp = calloc(1UL, size); p = tmp; __VERIFIER_assume((unsigned long )p != (unsigned long )((void *)0)); return (p); } } void *ldv_memset(void *s , int c , size_t n ) { void *tmp ; { tmp = memset(s, c, n); return (tmp); } } int ldv_undef_int(void) { int tmp ; { tmp = __VERIFIER_nondet_int(); return (tmp); } } void *ldv_undef_ptr(void) { void *tmp ; { tmp = __VERIFIER_nondet_pointer(); return (tmp); } } unsigned long ldv_undef_ulong(void) { unsigned long tmp ; { tmp = __VERIFIER_nondet_ulong(); return (tmp); } } __inline static void ldv_stop(void) { { LDV_STOP: ; goto LDV_STOP; } } __inline static long ldv__builtin_expect(long exp , long c ) { { return (exp); } } struct inode *st_fops_group1 ; int LDV_IN_INTERRUPT = 1; int ldv_state_variable_8 ; int ldv_state_variable_17 ; int ldv_state_variable_18 ; int ldv_state_variable_15 ; int ldv_state_variable_20 ; int ldv_state_variable_10 ; int ldv_state_variable_19 ; int ldv_state_variable_6 ; int ldv_state_variable_0 ; int ldv_state_variable_9 ; int ldv_state_variable_21 ; int ldv_state_variable_5 ; int ldv_state_variable_16 ; int ldv_state_variable_3 ; struct device *st_template_group0 ; int ldv_state_variable_13 ; int ldv_state_variable_2 ; struct file *st_fops_group2 ; int ref_cnt ; int ldv_state_variable_12 ; int ldv_state_variable_1 ; int ldv_state_variable_7 ; int ldv_state_variable_4 ; int ldv_state_variable_14 ; int ldv_state_variable_11 ; void ldv_file_operations_20(void) ; void ldv_initialize_scsi_driver_21(void) ; static char const *verstr = "20101219"; __inline static unsigned int iminor(struct inode const *inode ) { { return ((unsigned int )inode->i_rdev & 1048575U); } } __inline static struct inode *file_inode(struct file const *f ) { { return ((struct inode *)f->f_inode); } } extern int register_chrdev_region(dev_t , unsigned int , char const * ) ; extern void unregister_chrdev_region(dev_t , unsigned int ) ; extern loff_t noop_llseek(struct file * , loff_t , int ) ; __inline static void SetPageDirty(struct page *page ) { { set_bit(4L, (unsigned long volatile *)(& page->flags)); return; } } extern void put_page(struct page * ) ; __inline static void *lowmem_page_address(struct page const *page ) { { return ((void *)((unsigned long )((unsigned long long )(((long )page + 24189255811072L) / 64L) << 12) + 0xffff880000000000UL)); } } extern long get_user_pages_unlocked(struct task_struct * , struct mm_struct * , unsigned long , unsigned long , int , int , struct page ** ) ; extern void driver_unregister(struct device_driver * ) ; extern int driver_create_file(struct device_driver * , struct driver_attribute const * ) ; extern void driver_remove_file(struct device_driver * , struct driver_attribute const * ) ; extern int __class_register(struct class * , struct lock_class_key * ) ; extern void class_unregister(struct class * ) ; __inline static void *dev_get_drvdata(struct device const *dev ) { { return ((void *)dev->driver_data); } } __inline static void dev_set_drvdata(struct device *dev , void *data ) { { dev->driver_data = data; return; } } extern void device_unregister(struct device * ) ; extern struct device *device_create(struct class * , struct device * , dev_t , void * , char const * , ...) ; extern struct gendisk *alloc_disk(int ) ; extern void put_disk(struct gendisk * ) ; extern unsigned long _copy_from_user(void * , void const * , unsigned int ) ; extern unsigned long _copy_to_user(void * , void const * , unsigned int ) ; extern void __copy_from_user_overflow(void) ; extern void __copy_to_user_overflow(void) ; __inline static unsigned long copy_from_user(void *to , void const *from , unsigned long n ) { int sz ; unsigned long tmp ; long tmp___0 ; { tmp = __builtin_object_size((void const *)to, 0); sz = (int )tmp; __might_fault("./arch/x86/include/asm/uaccess.h", 697); tmp___0 = ldv__builtin_expect((long )(sz < 0 || (unsigned long )sz >= n), 1L); if (tmp___0 != 0L) { n = _copy_from_user(to, from, (unsigned int )n); } else { __copy_from_user_overflow(); } return (n); } } __inline static unsigned long copy_to_user(void *to , void const *from , unsigned long n ) { int sz ; unsigned long tmp ; long tmp___0 ; { tmp = __builtin_object_size(from, 0); sz = (int )tmp; __might_fault("./arch/x86/include/asm/uaccess.h", 732); tmp___0 = ldv__builtin_expect((long )(sz < 0 || (unsigned long )sz >= n), 1L); if (tmp___0 != 0L) { n = _copy_to_user(to, from, (unsigned int )n); } else { __copy_to_user_overflow(); } return (n); } } extern void blk_put_request(struct request * ) ; extern void __blk_put_request(struct request_queue * , struct request * ) ; extern struct request *blk_get_request(struct request_queue * , int , gfp_t ) ; extern void blk_rq_set_block_pc(struct request * ) ; extern int scsi_cmd_ioctl(struct request_queue * , struct gendisk * , fmode_t , unsigned int , void * ) ; extern int blk_rq_map_user(struct request_queue * , struct request * , struct rq_map_data * , void * , unsigned long , gfp_t ) ; extern int blk_rq_unmap_user(struct bio * ) ; extern void blk_execute_rq_nowait(struct request_queue * , struct gendisk * , struct request * , int , rq_end_io_fn * ) ; extern void blk_queue_rq_timeout(struct request_queue * , unsigned int ) ; extern bool blk_get_queue(struct request_queue * ) ; extern void blk_put_queue(struct request_queue * ) ; __inline static unsigned short queue_max_segments(struct request_queue *q ) { { return (q->limits.max_segments); } } __inline static int queue_dma_alignment(struct request_queue *q ) { { return ((unsigned long )q != (unsigned long )((struct request_queue *)0) ? (int )q->dma_alignment : 511); } } extern struct cdev *cdev_alloc(void) ; extern int cdev_add(struct cdev * , dev_t , unsigned int ) ; extern void cdev_del(struct cdev * ) ; extern unsigned long msleep_interruptible(unsigned int ) ; extern unsigned char const scsi_command_size_tbl[8U] ; extern bool scsi_normalize_sense(u8 const * , int , struct scsi_sense_hdr * ) ; extern void __scsi_print_sense(struct scsi_device const * , char const * , unsigned char const * , int ) ; extern void sdev_prefix_printk(char const * , struct scsi_device const * , char const * , char const * , ...) ; extern int scsi_device_get(struct scsi_device * ) ; extern void scsi_device_put(struct scsi_device * ) ; extern int scsi_set_medium_removal(struct scsi_device * , char ) ; extern int scsi_autopm_get_device(struct scsi_device * ) ; extern void scsi_autopm_put_device(struct scsi_device * ) ; extern int scsi_register_driver(struct device_driver * ) ; extern int scsi_block_when_processing_errors(struct scsi_device * ) ; extern u8 const *scsi_sense_desc_find(u8 const * , int , int ) ; extern int scsi_get_sense_info_fld(u8 const * , int , u64 * ) ; extern int scsi_ioctl_block_when_processing_errors(struct scsi_device * , int , bool ) ; extern int scsi_ioctl(struct scsi_device * , int , void * ) ; static int buffer_kbs ; static int max_sg_segs ; static int try_direct_io = 1; static int try_rdio = 1; static int try_wdio = 1; static int debug_flag ; static struct class st_sysfs_class ; static struct attribute_group const *st_dev_groups[3U] ; static char const *st_formats[16U] = { "", "r", "k", "s", "l", "t", "o", "u", "m", "v", "p", "x", "a", "y", "q", "z"}; static int debugging = 1; static int st_fixed_buffer_size = 32768; static int st_max_sg_segs = 256; static int modes_defined ; static int enlarge_buffer(struct st_buffer *STbuffer , int new_size , int need_dma ) ; static void clear_buffer(struct st_buffer *st_bp ) ; static void normalize_buffer(struct st_buffer *STbuffer ) ; static int append_to_buffer(char const *ubp , struct st_buffer *st_bp , int do_count ) ; static int from_buffer(struct st_buffer *st_bp , char *ubp , int do_count ) ; static void move_buffer_data(struct st_buffer *st_bp , int offset ) ; static int sgl_map_user_pages(struct st_buffer *STbp , unsigned int const max_pages , unsigned long uaddr , size_t count , int rw ) ; static int sgl_unmap_user_pages(struct st_buffer *STbp , unsigned int const nr_pages , int dirtied ) ; static int st_probe(struct device *dev ) ; static int st_remove(struct device *dev ) ; static int do_create_sysfs_files(void) ; static void do_remove_sysfs_files(void) ; static struct scsi_driver st_template = {{"st", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, & st_probe, & st_remove, 0, 0, 0, 0, 0, 0}, 0, 0, 0, 0, 0}; static int st_compression(struct scsi_tape *STp , int state ) ; static int find_partition(struct scsi_tape *STp ) ; static int switch_partition(struct scsi_tape *STp ) ; static int st_int_ioctl(struct scsi_tape *STp , unsigned int cmd_in , unsigned long arg ) ; static void scsi_tape_release(struct kref *kref ) ; static struct mutex st_ref_mutex = {{1}, {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "st_ref_mutex.wait_lock", 0, 0UL}}}}, {& st_ref_mutex.wait_list, & st_ref_mutex.wait_list}, 0, (void *)(& st_ref_mutex), {0, {0, 0}, "st_ref_mutex", 0, 0UL}}; static spinlock_t st_index_lock = {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "st_index_lock", 0, 0UL}}}}; static spinlock_t st_use_lock = {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "st_use_lock", 0, 0UL}}}}; static struct idr st_index_idr = {0, 0, 0, 0, {{{{{0}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "st_index_idr.lock", 0, 0UL}}}}, 0, 0}; static struct scsi_tape *scsi_tape_get(int dev ) { struct scsi_tape *STp ; void *tmp ; int tmp___0 ; { STp = (struct scsi_tape *)0; mutex_lock_nested(& st_ref_mutex, 0U); spin_lock(& st_index_lock); tmp = idr_find(& st_index_idr, dev); STp = (struct scsi_tape *)tmp; if ((unsigned long )STp == (unsigned long )((struct scsi_tape *)0)) { goto out; } else { } kref_get(& STp->kref); if ((unsigned long )STp->device == (unsigned long )((struct scsi_device *)0)) { goto out_put; } else { } tmp___0 = scsi_device_get(STp->device); if (tmp___0 != 0) { goto out_put; } else { } goto out; out_put: kref_put(& STp->kref, & scsi_tape_release); STp = (struct scsi_tape *)0; out: spin_unlock(& st_index_lock); mutex_unlock(& st_ref_mutex); return (STp); } } static void scsi_tape_put(struct scsi_tape *STp ) { struct scsi_device *sdev ; { sdev = STp->device; mutex_lock_nested(& st_ref_mutex, 0U); kref_put(& STp->kref, & scsi_tape_release); scsi_device_put(sdev); mutex_unlock(& st_ref_mutex); return; } } static struct st_reject_data reject_list[6U] = { {(char *)"OnStream", (char *)"SC-", (char *)"", (char *)"osst"}, {(char *)"OnStream", (char *)"DI-", (char *)"", (char *)"osst"}, {(char *)"OnStream", (char *)"DP-", (char *)"", (char *)"osst"}, {(char *)"OnStream", (char *)"FW-", (char *)"", (char *)"osst"}, {(char *)"OnStream", (char *)"USB", (char *)"", (char *)"osst"}, {(char *)0, 0, 0, 0}}; static char *st_incompatible(struct scsi_device *SDp ) { struct st_reject_data *rp ; size_t tmp ; int tmp___0 ; size_t tmp___1 ; int tmp___2 ; size_t tmp___3 ; int tmp___4 ; { rp = (struct st_reject_data *)(& reject_list); goto ldv_35637; ldv_35636: tmp = strlen((char const *)rp->vendor); tmp___0 = strncmp((char const *)rp->vendor, SDp->vendor, tmp); if (tmp___0 == 0) { tmp___1 = strlen((char const *)rp->model); tmp___2 = strncmp((char const *)rp->model, SDp->model, tmp___1); if (tmp___2 == 0) { tmp___3 = strlen((char const *)rp->rev); tmp___4 = strncmp((char const *)rp->rev, SDp->rev, tmp___3); if (tmp___4 == 0) { if ((unsigned long )rp->driver_hint != (unsigned long )((char *)0)) { return (rp->driver_hint); } else { return ((char *)"unknown"); } } else { } } else { } } else { } rp = rp + 1; ldv_35637: ; if ((unsigned long )rp->vendor != (unsigned long )((char *)0)) { goto ldv_35636; } else { } return ((char *)0); } } __inline static char *tape_name(struct scsi_tape *tape ) { { return ((char *)(& (tape->disk)->disk_name)); } } static void st_analyze_sense(struct st_request *SRpnt , struct st_cmdstatus *s ) { u8 const *ucp ; u8 const *sense ; bool tmp ; int tmp___0 ; { sense = (u8 const *)(& SRpnt->sense); tmp = scsi_normalize_sense((u8 const *)(& SRpnt->sense), 96, & s->sense_hdr); s->have_sense = (int )tmp; s->flags = 0U; if (s->have_sense != 0) { s->deferred = 0U; tmp___0 = scsi_get_sense_info_fld(sense, 96, & s->uremainder64); s->remainder_valid = (u8 )tmp___0; switch ((int )*sense & 127) { case 113: s->deferred = 1U; case 112: s->fixed_format = 1U; s->flags = (unsigned int )((u8 )*(sense + 2UL)) & 224U; goto ldv_35650; case 115: s->deferred = 1U; case 114: s->fixed_format = 0U; ucp = scsi_sense_desc_find(sense, 96, 4); s->flags = (unsigned long )ucp != (unsigned long )((u8 const *)0U) ? (unsigned int )((u8 )*(ucp + 3UL)) & 224U : 0U; goto ldv_35650; } ldv_35650: ; } else { } return; } } static int st_chk_result(struct scsi_tape *STp , struct st_request *SRpnt ) { int result ; u8 scode ; char const *stp ; char *name ; char *tmp ; struct st_cmdstatus *cmdstatp ; char *tmp___0 ; char *tmp___1 ; char *tmp___2 ; { result = SRpnt->result; tmp = tape_name(STp); name = tmp; if (result == 0) { return (0); } else { } cmdstatp = & (STp->buffer)->cmdstat; st_analyze_sense(SRpnt, cmdstatp); if (cmdstatp->have_sense != 0) { scode = (STp->buffer)->cmdstat.sense_hdr.sense_key; } else { scode = 0U; } if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Error: %x, cmd: %x %x %x %x %x %x\n", result, (int )SRpnt->cmd[0], (int )SRpnt->cmd[1], (int )SRpnt->cmd[2], (int )SRpnt->cmd[3], (int )SRpnt->cmd[4], (int )SRpnt->cmd[5]); if (cmdstatp->have_sense != 0) { __scsi_print_sense((struct scsi_device const *)STp->device, (char const *)name, (unsigned char const *)(& SRpnt->sense), 96); } else { } } else { } if (debugging == 0) { if (cmdstatp->have_sense == 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Error %x (driver bt 0x%x, host bt 0x%x).\n", result, (int )((unsigned int )result >> 24), (result >> 16) & 255); } else if ((((((cmdstatp->have_sense != 0 && (unsigned int )scode != 0U) && (unsigned int )scode != 1U) && (unsigned int )scode != 8U) && (unsigned int )scode != 13U) && (unsigned int )SRpnt->cmd[0] != 26U) && (unsigned int )SRpnt->cmd[0] != 0U) { __scsi_print_sense((struct scsi_device const *)STp->device, (char const *)name, (unsigned char const *)(& SRpnt->sense), 96); } else { } } else { } if ((unsigned int )cmdstatp->fixed_format != 0U && (unsigned int )STp->cln_mode > 17U) { if ((unsigned int )STp->cln_sense_value != 0U) { STp->cleaning_req = (unsigned char )((int )((signed char )STp->cleaning_req) | (((int )SRpnt->sense[(int )STp->cln_mode] & (int )STp->cln_sense_mask) == (int )STp->cln_sense_value)); } else { STp->cleaning_req = (unsigned char )((int )((signed char )STp->cleaning_req) | ((unsigned int )((int )SRpnt->sense[(int )STp->cln_mode] & (int )STp->cln_sense_mask) != 0U)); } } else { } if ((cmdstatp->have_sense != 0 && (unsigned int )cmdstatp->sense_hdr.asc == 0U) && (unsigned int )cmdstatp->sense_hdr.ascq == 23U) { STp->cleaning_req = 1U; } else { } STp->pos_unknown = (int )STp->pos_unknown | (int )(STp->device)->was_reset; if (cmdstatp->have_sense != 0 && (unsigned int )scode == 1U) { STp->recover_count = STp->recover_count + 1; STp->recover_reg = STp->recover_reg + 1; if (debugging != 0) { if ((unsigned int )SRpnt->cmd[0] == 8U) { stp = "read"; } else if ((unsigned int )SRpnt->cmd[0] == 10U) { stp = "write"; } else { stp = "ioctl"; } tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Recovered %s error (%d).\n", stp, STp->recover_count); } else { } if ((unsigned int )cmdstatp->flags == 0U) { return (0); } else { } } else { } return (-5); } } static struct st_request *st_allocate_request(struct scsi_tape *stp ) { struct st_request *streq ; void *tmp ; char *tmp___0 ; struct task_struct *tmp___1 ; int tmp___2 ; { tmp = kzalloc(144UL, 208U); streq = (struct st_request *)tmp; if ((unsigned long )streq != (unsigned long )((struct st_request *)0)) { streq->stp = stp; } else { tmp___0 = tape_name(stp); sdev_prefix_printk("\v", (struct scsi_device const *)stp->device, (char const *)tmp___0, "Can\'t get SCSI request.\n"); tmp___1 = get_current(); tmp___2 = signal_pending(tmp___1); if (tmp___2 != 0) { (stp->buffer)->syscall_result = -4; } else { (stp->buffer)->syscall_result = -16; } } return (streq); } } static void st_release_request(struct st_request *streq ) { { kfree((void const *)streq); return; } } static void st_do_stats(struct scsi_tape *STp , struct request *req ) { ktime_t now ; ktime_t __constr_expr_0 ; int tmp ; int tmp___0 ; ktime_t __constr_expr_1 ; int tmp___1 ; int tmp___2 ; ktime_t __constr_expr_2 ; { now = ktime_get(); if ((unsigned int )*(req->cmd) == 10U) { __constr_expr_0.tv64 = now.tv64 - (STp->stats)->write_time.tv64; now = __constr_expr_0; atomic64_add((long )now.tv64, & (STp->stats)->tot_write_time); atomic64_add((long )now.tv64, & (STp->stats)->tot_io_time); atomic64_inc(& (STp->stats)->write_cnt); if (req->errors != 0) { tmp = atomic_read((atomic_t const *)(& (STp->stats)->last_write_size)); atomic64_add((long )(tmp - (STp->buffer)->cmdstat.residual), & (STp->stats)->write_byte_cnt); if ((STp->buffer)->cmdstat.residual > 0) { atomic64_inc(& (STp->stats)->resid_cnt); } else { } } else { tmp___0 = atomic_read((atomic_t const *)(& (STp->stats)->last_write_size)); atomic64_add((long )tmp___0, & (STp->stats)->write_byte_cnt); } } else if ((unsigned int )*(req->cmd) == 8U) { __constr_expr_1.tv64 = now.tv64 - (STp->stats)->read_time.tv64; now = __constr_expr_1; atomic64_add((long )now.tv64, & (STp->stats)->tot_read_time); atomic64_add((long )now.tv64, & (STp->stats)->tot_io_time); atomic64_inc(& (STp->stats)->read_cnt); if (req->errors != 0) { tmp___1 = atomic_read((atomic_t const *)(& (STp->stats)->last_read_size)); atomic64_add((long )(tmp___1 - (STp->buffer)->cmdstat.residual), & (STp->stats)->read_byte_cnt); if ((STp->buffer)->cmdstat.residual > 0) { atomic64_inc(& (STp->stats)->resid_cnt); } else { } } else { tmp___2 = atomic_read((atomic_t const *)(& (STp->stats)->last_read_size)); atomic64_add((long )tmp___2, & (STp->stats)->read_byte_cnt); } } else { __constr_expr_2.tv64 = now.tv64 - (STp->stats)->other_time.tv64; now = __constr_expr_2; atomic64_add((long )now.tv64, & (STp->stats)->tot_io_time); atomic64_inc(& (STp->stats)->other_cnt); } atomic64_dec(& (STp->stats)->in_flight); return; } } static void st_scsi_execute_end(struct request *req , int uptodate ) { struct st_request *SRpnt ; struct scsi_tape *STp ; struct bio *tmp ; int tmp___0 ; { SRpnt = (struct st_request *)req->end_io_data; STp = SRpnt->stp; tmp___0 = req->errors; SRpnt->result = tmp___0; (STp->buffer)->cmdstat.midlevel_result = tmp___0; (STp->buffer)->cmdstat.residual = (int )req->resid_len; st_do_stats(STp, req); tmp = SRpnt->bio; if ((unsigned long )SRpnt->waiting != (unsigned long )((struct completion *)0)) { complete(SRpnt->waiting); } else { } blk_rq_unmap_user(tmp); __blk_put_request(req->q, req); return; } } static int st_scsi_execute(struct st_request *SRpnt , unsigned char const *cmd , int data_direction , void *buffer , unsigned int bufflen , int timeout , int retries ) { struct request *req ; struct rq_map_data *mdata ; int err ; int write ; struct scsi_tape *STp ; bool tmp ; { mdata = & ((SRpnt->stp)->buffer)->map_data; err = 0; write = data_direction == 1; STp = SRpnt->stp; req = blk_get_request(((SRpnt->stp)->device)->request_queue, write, 208U); tmp = IS_ERR((void const *)req); if ((int )tmp) { return (67108864); } else { } blk_rq_set_block_pc(req); req->cmd_flags = req->cmd_flags | 16777216ULL; mdata->null_mapped = 1; if (bufflen != 0U) { err = blk_rq_map_user(req->q, req, mdata, (void *)0, (unsigned long )bufflen, 208U); if (err != 0) { blk_put_request(req); return (67108864); } else { } } else { } atomic64_inc(& (STp->stats)->in_flight); if ((unsigned int )((unsigned char )*cmd) == 10U) { atomic_set(& (STp->stats)->last_write_size, (int )bufflen); (STp->stats)->write_time = ktime_get(); } else if ((unsigned int )((unsigned char )*cmd) == 8U) { atomic_set(& (STp->stats)->last_read_size, (int )bufflen); (STp->stats)->read_time = ktime_get(); } else { (STp->stats)->other_time = ktime_get(); } SRpnt->bio = req->bio; req->cmd_len = (unsigned short )scsi_command_size_tbl[((int )((unsigned char )*cmd) >> 5) & 7]; memset((void *)req->cmd, 0, 16UL); memcpy((void *)req->cmd, (void const *)cmd, (size_t )req->cmd_len); req->sense = (void *)(& SRpnt->sense); req->sense_len = 0U; req->timeout = (unsigned int )timeout; req->retries = retries; req->end_io_data = (void *)SRpnt; blk_execute_rq_nowait(req->q, (struct gendisk *)0, req, 1, & st_scsi_execute_end); return (0); } } static struct st_request *st_do_scsi(struct st_request *SRpnt , struct scsi_tape *STp , unsigned char *cmd , int bytes , int direction , int timeout , int retries , int do_wait ) { struct completion *waiting ; struct rq_map_data *mdata ; int ret ; char *tmp ; struct task_struct *tmp___0 ; int tmp___1 ; { mdata = & (STp->buffer)->map_data; if (do_wait == 0 && (unsigned long )(STp->buffer)->last_SRpnt != (unsigned long )((struct st_request *)0)) { tmp = tape_name(STp); sdev_prefix_printk("\v", (struct scsi_device const *)STp->device, (char const *)tmp, "Async command already active.\n"); tmp___0 = get_current(); tmp___1 = signal_pending(tmp___0); if (tmp___1 != 0) { (STp->buffer)->syscall_result = -4; } else { (STp->buffer)->syscall_result = -16; } return ((struct st_request *)0); } else { } if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { SRpnt = st_allocate_request(STp); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((struct st_request *)0); } else { } } else { } if (do_wait == 0) { (STp->buffer)->last_SRpnt = SRpnt; } else { } waiting = & STp->wait; init_completion(waiting); SRpnt->waiting = waiting; if ((unsigned int )(STp->buffer)->do_dio != 0U) { mdata->page_order = 0; mdata->nr_entries = (int )(STp->buffer)->sg_segs; mdata->pages = (STp->buffer)->mapped_pages; } else { mdata->page_order = (STp->buffer)->reserved_page_order; mdata->nr_entries = (int )((((unsigned long )bytes + (4096UL << mdata->page_order)) - 1UL) >> (mdata->page_order + 12)); mdata->pages = (STp->buffer)->reserved_pages; mdata->offset = 0UL; } memcpy((void *)(& SRpnt->cmd), (void const *)cmd, 16UL); (STp->buffer)->cmdstat.have_sense = 0; (STp->buffer)->syscall_result = 0; ret = st_scsi_execute(SRpnt, (unsigned char const *)cmd, direction, (void *)0, (unsigned int )bytes, timeout, retries); if (ret != 0) { (STp->buffer)->syscall_result = -16; (STp->buffer)->last_SRpnt = (struct st_request *)0; } else if (do_wait != 0) { wait_for_completion(waiting); SRpnt->waiting = (struct completion *)0; (STp->buffer)->syscall_result = st_chk_result(STp, SRpnt); } else { } return (SRpnt); } } static int write_behind_check(struct scsi_tape *STp ) { int retval ; struct st_buffer *STbuffer ; struct st_partstat *STps ; struct st_cmdstatus *cmdstatp ; struct st_request *SRpnt ; char *tmp ; { retval = 0; STbuffer = STp->buffer; if (STbuffer->writing == 0) { return (0); } else { } if ((unsigned int )STp->write_pending != 0U) { STp->nbr_waits = STp->nbr_waits + 1; } else { STp->nbr_finished = STp->nbr_finished + 1; } wait_for_completion(& STp->wait); SRpnt = STbuffer->last_SRpnt; STbuffer->last_SRpnt = (struct st_request *)0; SRpnt->waiting = (struct completion *)0; (STp->buffer)->syscall_result = st_chk_result(STp, SRpnt); st_release_request(SRpnt); STbuffer->buffer_bytes = STbuffer->buffer_bytes - STbuffer->writing; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if (STps->drv_block >= 0) { if (STp->block_size == 0) { STps->drv_block = STps->drv_block + 1; } else { STps->drv_block = STps->drv_block + STbuffer->writing / STp->block_size; } } else { } cmdstatp = & STbuffer->cmdstat; if (STbuffer->syscall_result != 0) { retval = -5; if (((cmdstatp->have_sense != 0 && (unsigned int )cmdstatp->deferred == 0U) && ((int )cmdstatp->flags & 64) != 0) && ((unsigned int )cmdstatp->sense_hdr.sense_key == 0U || (unsigned int )cmdstatp->sense_hdr.sense_key == 1U)) { if ((unsigned int )cmdstatp->remainder_valid == 0U || cmdstatp->uremainder64 == 0ULL) { retval = -28; } else { } } else { } if (retval == -5) { STps->drv_block = -1; } else { } } else { } STbuffer->writing = 0; if (debugging != 0 && retval != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Async write error %x, return value %d.\n", STbuffer->cmdstat.midlevel_result, retval); } else { } return (retval); } } static int cross_eof(struct scsi_tape *STp , int forward ) { struct st_request *SRpnt ; unsigned char cmd[16U] ; char *tmp ; char *tmp___0 ; { cmd[0] = 17U; cmd[1] = 1U; if (forward != 0) { cmd[3] = 0U; cmd[2] = cmd[3]; cmd[4] = 1U; } else { cmd[4] = 255U; cmd[3] = cmd[4]; cmd[2] = cmd[3]; } cmd[5] = 0U; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Stepping over filemark %s.\n", forward != 0 ? (char *)"forward" : (char *)"backward"); } else { } SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), 0, 3, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } st_release_request(SRpnt); SRpnt = (struct st_request *)0; if ((STp->buffer)->cmdstat.midlevel_result != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\v", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Stepping over filemark %s failed.\n", forward != 0 ? (char *)"forward" : (char *)"backward"); } else { } return ((STp->buffer)->syscall_result); } } static int st_flush_write_buffer(struct scsi_tape *STp ) { int transfer ; int blks ; int result ; unsigned char cmd[16U] ; struct st_request *SRpnt ; struct st_partstat *STps ; char *tmp ; struct st_cmdstatus *cmdstatp ; char *tmp___0 ; { result = write_behind_check(STp); if (result != 0) { return (result); } else { } result = 0; if ((unsigned int )STp->dirty == 1U) { transfer = (STp->buffer)->buffer_bytes; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Flushing %d bytes.\n", transfer); } else { } memset((void *)(& cmd), 0, 16UL); cmd[0] = 10U; cmd[1] = 1U; blks = transfer / STp->block_size; cmd[2] = (unsigned char )(blks >> 16); cmd[3] = (unsigned char )(blks >> 8); cmd[4] = (unsigned char )blks; SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), transfer, 1, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((STp->buffer)->syscall_result != 0) { cmdstatp = & (STp->buffer)->cmdstat; if ((((cmdstatp->have_sense != 0 && (unsigned int )cmdstatp->deferred == 0U) && ((int )cmdstatp->flags & 64) != 0) && ((unsigned int )cmdstatp->sense_hdr.sense_key == 0U || (unsigned int )cmdstatp->sense_hdr.sense_key == 1U)) && ((unsigned int )cmdstatp->remainder_valid == 0U || cmdstatp->uremainder64 == 0ULL)) { STp->dirty = 0U; (STp->buffer)->buffer_bytes = 0; if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + blks; } else { } result = -28; } else { tmp___0 = tape_name(STp); sdev_prefix_printk("\v", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Error on flush.\n"); STps->drv_block = -1; result = -5; } } else { if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + blks; } else { } STp->dirty = 0U; (STp->buffer)->buffer_bytes = 0; } st_release_request(SRpnt); SRpnt = (struct st_request *)0; } else { } return (result); } } static int flush_buffer(struct scsi_tape *STp , int seek_next ) { int backspace ; int result ; struct st_buffer *STbuffer ; struct st_partstat *STps ; int tmp ; { STbuffer = STp->buffer; if ((unsigned int )STp->pos_unknown != 0U) { return (-5); } else { } if ((unsigned int )STp->ready != 0U) { return (0); } else { } STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((unsigned int )STps->rw == 2U) { tmp = st_flush_write_buffer(STp); return (tmp); } else { } if (STp->block_size == 0) { return (0); } else { } backspace = ((STp->buffer)->buffer_bytes + (STp->buffer)->read_pointer) / STp->block_size - (((STp->buffer)->read_pointer + STp->block_size) + -1) / STp->block_size; (STp->buffer)->buffer_bytes = 0; (STp->buffer)->read_pointer = 0; result = 0; if (seek_next == 0) { if ((unsigned int )STps->eof == 1U) { result = cross_eof(STp, 0); if (result == 0) { STps->eof = 0U; } else { if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; } } else { } if (result == 0 && backspace > 0) { result = st_int_ioctl(STp, 4U, (unsigned long )backspace); } else { } } else if ((unsigned int )STps->eof == 1U) { if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; STps->eof = 0U; } else { } return (result); } } static int set_mode_densblk(struct scsi_tape *STp , struct st_modedef *STm ) { int set_it ; unsigned long arg ; char *tmp ; int tmp___0 ; { set_it = 0; if (((unsigned int )STp->density_changed == 0U && (int )STm->default_density >= 0) && (int )STm->default_density != (int )STp->density) { arg = (unsigned long )STm->default_density; set_it = 1; } else { arg = (unsigned long )STp->density; } arg = arg << 24; if (((unsigned int )STp->blksize_changed == 0U && STm->default_blksize >= 0) && STm->default_blksize != STp->block_size) { arg = (unsigned long )STm->default_blksize | arg; set_it = 1; } else { arg = (unsigned long )STp->block_size | arg; } if (set_it != 0) { tmp___0 = st_int_ioctl(STp, 65537U, arg); if (tmp___0 != 0) { tmp = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp, "Can\'t set default block size to %d bytes and density %x.\n", STm->default_blksize, (int )STm->default_density); if (modes_defined != 0) { return (-22); } else { } } else { } } else { } return (0); } } static int do_door_lock(struct scsi_tape *STp , int do_lock ) { int retval ; char *tmp ; { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "%socking drive door.\n", do_lock != 0 ? (char *)"L" : (char *)"Unl"); } else { } retval = scsi_set_medium_removal(STp->device, do_lock != 0); if (retval == 0) { STp->door_locked = do_lock != 0; } else { STp->door_locked = 3U; } return (retval); } } static void reset_state(struct scsi_tape *STp ) { int i ; struct st_partstat *STps ; { STp->pos_unknown = 0U; i = 0; goto ldv_35760; ldv_35759: STps = (struct st_partstat *)(& STp->ps) + (unsigned long )i; STps->rw = 0U; STps->eof = 0U; STps->at_sm = 0U; STps->last_block_valid = 0U; STps->drv_block = -1; STps->drv_file = -1; i = i + 1; ldv_35760: ; if (i <= 3) { goto ldv_35759; } else { } if ((unsigned int )STp->can_partitions != 0U) { STp->partition = find_partition(STp); if (STp->partition < 0) { STp->partition = 0; } else { } STp->new_partition = STp->partition; } else { } return; } } static int test_ready(struct scsi_tape *STp , int do_wait ) { int attentions ; int waits ; int max_wait ; int scode ; int retval ; int new_session ; unsigned char cmd[16U] ; struct st_request *SRpnt ; struct st_cmdstatus *cmdstatp ; unsigned long tmp ; { retval = 0; new_session = 0; SRpnt = (struct st_request *)0; cmdstatp = & (STp->buffer)->cmdstat; max_wait = do_wait != 0 ? 120 : 0; waits = 0; attentions = waits; ldv_35777: memset((void *)(& cmd), 0, 16UL); cmd[0] = 0U; SRpnt = st_do_scsi(SRpnt, STp, (unsigned char *)(& cmd), 0, 3, STp->long_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { retval = (STp->buffer)->syscall_result; goto ldv_35775; } else { } if (cmdstatp->have_sense != 0) { scode = (int )cmdstatp->sense_hdr.sense_key; if (scode == 6) { new_session = 1; if (attentions <= 9) { attentions = attentions + 1; goto ldv_35776; } else { retval = -5; goto ldv_35775; } } else { } if (scode == 2) { if (waits < max_wait) { tmp = msleep_interruptible(1000U); if (tmp != 0UL) { retval = -4; goto ldv_35775; } else { } waits = waits + 1; goto ldv_35776; } else { if ((int )((signed char )(STp->device)->scsi_level) > 2 && (unsigned int )cmdstatp->sense_hdr.asc == 58U) { retval = 3; } else { retval = 2; } goto ldv_35775; } } else { } } else { } retval = (STp->buffer)->syscall_result; if (retval == 0) { retval = new_session != 0; } else { } goto ldv_35775; ldv_35776: ; goto ldv_35777; ldv_35775: ; if ((unsigned long )SRpnt != (unsigned long )((struct st_request *)0)) { st_release_request(SRpnt); } else { } return (retval); } } static int check_tape(struct scsi_tape *STp , struct file *filp ) { int i ; int retval ; int new_session ; int do_wait ; unsigned char cmd[16U] ; unsigned char saved_cleaning ; unsigned short st_flags ; struct st_request *SRpnt ; struct st_modedef *STm ; struct st_partstat *STps ; struct inode *inode ; struct inode *tmp ; int mode ; unsigned int tmp___0 ; char *tmp___1 ; int tmp___2 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; char *tmp___6 ; int tmp___7 ; char *tmp___8 ; char *tmp___9 ; char *tmp___10 ; char *tmp___11 ; char *tmp___12 ; int tmp___13 ; char *tmp___14 ; char *tmp___15 ; char *tmp___16 ; int tmp___17 ; unsigned char tmp___18 ; char *tmp___19 ; int tmp___20 ; { new_session = 0; st_flags = (unsigned short )filp->f_flags; SRpnt = (struct st_request *)0; tmp = file_inode((struct file const *)filp); inode = tmp; tmp___0 = iminor((struct inode const *)inode); mode = (int )((tmp___0 & 96U) >> 5); STp->ready = 0U; if (STp->current_mode != mode) { if (debugging != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Mode change from %d to %d.\n", STp->current_mode, mode); } else { } new_session = 1; STp->current_mode = mode; } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; saved_cleaning = STp->cleaning_req; STp->cleaning_req = 0U; do_wait = (filp->f_flags & 2048U) == 0U; retval = test_ready(STp, do_wait); if (retval < 0) { goto err_out; } else { } if (retval == 1) { STp->pos_unknown = 0U; tmp___2 = 0; STp->new_partition = tmp___2; STp->partition = tmp___2; if ((unsigned int )STp->can_partitions != 0U) { STp->nbr_partitions = 1; } else { } i = 0; goto ldv_35796; ldv_35795: STps = (struct st_partstat *)(& STp->ps) + (unsigned long )i; STps->rw = 0U; STps->eof = 0U; STps->at_sm = 0U; STps->last_block_valid = 0U; STps->drv_block = 0; STps->drv_file = 0; i = i + 1; ldv_35796: ; if (i <= 3) { goto ldv_35795; } else { } new_session = 1; } else { STp->cleaning_req = (int )STp->cleaning_req | (int )saved_cleaning; if (retval == 2 || retval == 3) { if (retval == 3) { STp->ready = 2U; } else { STp->ready = 1U; } STp->density = 0U; STp->write_prot = 0U; STp->block_size = 0; tmp___3 = -1; STp->ps[0].drv_block = tmp___3; STp->ps[0].drv_file = tmp___3; tmp___4 = 0; STp->new_partition = tmp___4; STp->partition = tmp___4; STp->door_locked = 0U; return (2); } else { } } if ((unsigned int )STp->omit_blklims != 0U) { tmp___5 = -1; STp->max_block = tmp___5; STp->min_block = tmp___5; } else { memset((void *)(& cmd), 0, 16UL); cmd[0] = 5U; SRpnt = st_do_scsi(SRpnt, STp, (unsigned char *)(& cmd), 6, 2, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { retval = (STp->buffer)->syscall_result; goto err_out; } else { } if (SRpnt->result == 0 && (STp->buffer)->cmdstat.have_sense == 0) { STp->max_block = (((int )*((STp->buffer)->b_data + 1UL) << 16) | ((int )*((STp->buffer)->b_data + 2UL) << 8)) | (int )*((STp->buffer)->b_data + 3UL); STp->min_block = ((int )*((STp->buffer)->b_data + 4UL) << 8) | (int )*((STp->buffer)->b_data + 5UL); if (debugging != 0 || (unsigned int )STp->inited == 0U) { tmp___6 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___6, "Block limits %d - %d bytes.\n", STp->min_block, STp->max_block); } else { } } else { tmp___7 = -1; STp->max_block = tmp___7; STp->min_block = tmp___7; if (debugging != 0) { tmp___8 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___8, "Can\'t read block limits.\n"); } else { } } } memset((void *)(& cmd), 0, 16UL); cmd[0] = 26U; cmd[4] = 12U; SRpnt = st_do_scsi(SRpnt, STp, (unsigned char *)(& cmd), 12, 2, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { retval = (STp->buffer)->syscall_result; goto err_out; } else { } if ((STp->buffer)->syscall_result != 0) { if (debugging != 0) { tmp___9 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___9, "No Mode Sense.\n"); } else { } STp->block_size = 0; (STp->buffer)->syscall_result = 0; STp->drv_write_prot = 0U; } else { if (debugging != 0) { tmp___10 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___10, "Mode sense. Length %d, medium %x, WBS %x, BLL %d\n", (int )*((STp->buffer)->b_data), (int )*((STp->buffer)->b_data + 1UL), (int )*((STp->buffer)->b_data + 2UL), (int )*((STp->buffer)->b_data + 3UL)); } else { } if ((unsigned int )*((STp->buffer)->b_data + 3UL) > 7U) { STp->drv_buffer = (unsigned int )((int )*((STp->buffer)->b_data + 2UL) >> 4) & 7U; STp->density = *((STp->buffer)->b_data + 4UL); STp->block_size = ((int )*((STp->buffer)->b_data + 9UL) * 256 + (int )*((STp->buffer)->b_data + 10UL)) * 256 + (int )*((STp->buffer)->b_data + 11UL); if (debugging != 0) { tmp___11 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___11, "Density %x, tape length: %x, drv buffer: %d\n", (int )STp->density, ((int )*((STp->buffer)->b_data + 5UL) * 256 + (int )*((STp->buffer)->b_data + 6UL)) * 256 + (int )*((STp->buffer)->b_data + 7UL), (int )STp->drv_buffer); } else { } } else { } STp->drv_write_prot = (int )((signed char )*((STp->buffer)->b_data + 2UL)) < 0; if ((unsigned int )STp->drv_buffer == 0U && (unsigned int )STp->immediate_filemark != 0U) { tmp___12 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___12, "non-buffered tape: disabling writing immediate filemarks\n"); STp->immediate_filemark = 0U; } else { } } st_release_request(SRpnt); SRpnt = (struct st_request *)0; STp->inited = 1U; if (STp->block_size > 0) { (STp->buffer)->buffer_blocks = (STp->buffer)->buffer_size / STp->block_size; } else { (STp->buffer)->buffer_blocks = 1; } tmp___13 = 0; (STp->buffer)->read_pointer = tmp___13; (STp->buffer)->buffer_bytes = tmp___13; if (debugging != 0) { tmp___14 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___14, "Block size: %d, buffer size: %d (%d blocks).\n", STp->block_size, (STp->buffer)->buffer_size, (STp->buffer)->buffer_blocks); } else { } if ((unsigned int )STp->drv_write_prot != 0U) { STp->write_prot = 1U; if (debugging != 0) { tmp___15 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___15, "Write protected\n"); } else { } if (do_wait != 0 && (((int )st_flags & 3) == 1 || ((int )st_flags & 3) == 2)) { retval = -30; goto err_out; } else { } } else { } if ((unsigned int )STp->can_partitions != 0U && STp->nbr_partitions <= 0) { if (debugging != 0) { tmp___16 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___16, "Updating partition number in status.\n"); } else { } tmp___17 = find_partition(STp); STp->partition = tmp___17; if (tmp___17 < 0) { retval = STp->partition; goto err_out; } else { } STp->new_partition = STp->partition; STp->nbr_partitions = 1; } else { } if (new_session != 0) { tmp___18 = 0U; STp->blksize_changed = tmp___18; STp->density_changed = tmp___18; STp->compression_changed = 0U; if ((unsigned int )STm->defaults_for_writes == 0U) { retval = set_mode_densblk(STp, STm); if (retval < 0) { goto err_out; } else { } } else { } if ((unsigned int )STp->default_drvbuffer != 255U) { tmp___20 = st_int_ioctl(STp, 24U, (unsigned long )STp->default_drvbuffer); if (tmp___20 != 0) { tmp___19 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___19, "Can\'t set default drive buffering to %d.\n", (int )STp->default_drvbuffer); } else { } } else { } } else { } return (0); err_out: ; return (retval); } } static int st_open(struct inode *inode , struct file *filp ) { int i ; int retval ; int resumed ; struct scsi_tape *STp ; struct st_partstat *STps ; int dev ; unsigned int tmp ; unsigned int tmp___0 ; char *tmp___1 ; unsigned char tmp___2 ; unsigned int tmp___3 ; int tmp___4 ; int tmp___5 ; char *tmp___6 ; int tmp___7 ; int tmp___8 ; int tmp___9 ; int tmp___10 ; { retval = -5; resumed = 0; tmp = iminor((struct inode const *)inode); tmp___0 = iminor((struct inode const *)inode); dev = (int )(((tmp & 4294967040U) >> 3) | (tmp___0 & 31U)); filp->f_mode = filp->f_mode & 4294967271U; STp = scsi_tape_get(dev); if ((unsigned long )STp == (unsigned long )((struct scsi_tape *)0)) { return (-6); } else { } filp->private_data = (void *)STp; spin_lock(& st_use_lock); if ((unsigned int )STp->in_use != 0U) { spin_unlock(& st_use_lock); scsi_tape_put(STp); if (debugging != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Device already in use.\n"); } else { } return (-16); } else { } STp->in_use = 1U; spin_unlock(& st_use_lock); tmp___3 = iminor((struct inode const *)inode); tmp___2 = (tmp___3 & 128U) == 0U; STp->autorew_dev = tmp___2; STp->rew_at_close = tmp___2; tmp___4 = scsi_autopm_get_device(STp->device); if (tmp___4 < 0) { retval = -5; goto err_out; } else { } resumed = 1; tmp___5 = scsi_block_when_processing_errors(STp->device); if (tmp___5 == 0) { retval = -6; goto err_out; } else { } tmp___7 = enlarge_buffer(STp->buffer, 4096, (int )STp->restr_dma); if (tmp___7 == 0) { tmp___6 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___6, "Can\'t allocate one page tape buffer.\n"); retval = -75; goto err_out; } else { } (STp->buffer)->cleared = 0U; (STp->buffer)->writing = 0; (STp->buffer)->syscall_result = 0; STp->write_prot = (filp->f_flags & 3U) == 0U; STp->dirty = 0U; i = 0; goto ldv_35810; ldv_35809: STps = (struct st_partstat *)(& STp->ps) + (unsigned long )i; STps->rw = 0U; i = i + 1; ldv_35810: ; if (i <= 3) { goto ldv_35809; } else { } STp->try_dio_now = STp->try_dio; STp->recover_count = 0; tmp___8 = 0; STp->nbr_finished = tmp___8; STp->nbr_waits = tmp___8; tmp___10 = 0; STp->nbr_pages = tmp___10; tmp___9 = tmp___10; STp->nbr_dio = tmp___9; STp->nbr_requests = tmp___9; retval = check_tape(STp, filp); if (retval < 0) { goto err_out; } else { } if ((filp->f_flags & 2048U) == 0U && retval != 0) { if ((unsigned int )STp->ready == 2U) { retval = -123; } else { retval = -5; } goto err_out; } else { } return (0); err_out: normalize_buffer(STp->buffer); spin_lock(& st_use_lock); STp->in_use = 0U; spin_unlock(& st_use_lock); scsi_tape_put(STp); if (resumed != 0) { scsi_autopm_put_device(STp->device); } else { } return (retval); } } static int st_flush(struct file *filp , fl_owner_t id ) { int result ; int result2 ; unsigned char cmd[16U] ; struct st_request *SRpnt ; struct scsi_tape *STp ; struct st_modedef *STm ; struct st_partstat *STps ; long tmp ; char *tmp___0 ; char *tmp___1 ; struct st_cmdstatus *cmdstatp ; char *tmp___2 ; char *tmp___3 ; char *tmp___4 ; { result = 0; STp = (struct scsi_tape *)filp->private_data; STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; tmp = atomic_long_read(& filp->f_count); if (tmp > 1L) { return (0); } else { } if ((unsigned int )STps->rw == 2U && (unsigned int )STp->pos_unknown == 0U) { result = st_flush_write_buffer(STp); if (result != 0 && result != -28) { goto out; } else { } } else { } if ((unsigned int )STp->can_partitions != 0U) { result2 = switch_partition(STp); if (result2 < 0) { if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "switch_partition at close failed.\n"); } else { } if (result == 0) { result = result2; } else { } goto out; } else { } } else { } if (debugging != 0) { if (STp->nbr_requests != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\017", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Number of r/w requests %d, dio used in %d, pages %d.\n", STp->nbr_requests, STp->nbr_dio, STp->nbr_pages); } else { } } else { } if ((unsigned int )STps->rw == 2U && (unsigned int )STp->pos_unknown == 0U) { cmdstatp = & (STp->buffer)->cmdstat; if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Async write waits %d, finished %d.\n", STp->nbr_waits, STp->nbr_finished); } else { } memset((void *)(& cmd), 0, 16UL); cmd[0] = 16U; if ((unsigned int )STp->immediate_filemark != 0U) { cmd[1] = 1U; } else { } cmd[4] = (unsigned int )STp->two_fm + 1U; SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), 0, 3, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { result = (STp->buffer)->syscall_result; goto out; } else { } if ((STp->buffer)->syscall_result == 0 || ((((cmdstatp->have_sense != 0 && (unsigned int )cmdstatp->deferred == 0U) && ((int )cmdstatp->flags & 64) != 0) && ((unsigned int )cmdstatp->sense_hdr.sense_key == 0U || (unsigned int )cmdstatp->sense_hdr.sense_key == 1U)) && ((unsigned int )cmdstatp->remainder_valid == 0U || cmdstatp->uremainder64 == 0ULL))) { st_release_request(SRpnt); SRpnt = (struct st_request *)0; if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; if ((unsigned int )STp->two_fm != 0U) { cross_eof(STp, 0); } else { } STps->eof = 2U; } else { st_release_request(SRpnt); SRpnt = (struct st_request *)0; tmp___3 = tape_name(STp); sdev_prefix_printk("\v", (struct scsi_device const *)STp->device, (char const *)tmp___3, "Error on write filemark.\n"); if (result == 0) { result = -5; } else { } } if (debugging != 0) { tmp___4 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___4, "Buffer flushed, %d EOF(s) written\n", (int )cmd[4]); } else { } } else if ((unsigned int )STp->rew_at_close == 0U) { STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((unsigned int )STm->sysv == 0U || (unsigned int )STps->rw != 1U) { if ((unsigned int )STp->can_bsr != 0U) { result = flush_buffer(STp, 0); } else if ((unsigned int )STps->eof == 1U) { result = cross_eof(STp, 0); if (result != 0) { if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; STps->eof = 2U; } else { STps->eof = 0U; } } else { } } else if ((unsigned int )STps->eof == 0U) { result = cross_eof(STp, 1); if (result == 0) { goto _L; } else { goto _L___0; } } else _L___0: /* CIL Label */ if ((unsigned int )STps->eof == 1U) { _L: /* CIL Label */ if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; STps->eof = 2U; } else { } } else { } out: ; if ((unsigned int )STp->rew_at_close != 0U) { result2 = st_int_ioctl(STp, 6U, 1UL); if (result == 0) { result = result2; } else { } } else { } return (result); } } static int st_release(struct inode *inode , struct file *filp ) { int result ; struct scsi_tape *STp ; { result = 0; STp = (struct scsi_tape *)filp->private_data; if ((unsigned int )STp->door_locked == 2U) { do_door_lock(STp, 0); } else { } normalize_buffer(STp->buffer); spin_lock(& st_use_lock); STp->in_use = 0U; spin_unlock(& st_use_lock); scsi_autopm_put_device(STp->device); scsi_tape_put(STp); return (result); } } static ssize_t rw_checks(struct scsi_tape *STp , struct file *filp , size_t count ) { ssize_t retval ; int tmp ; char *tmp___0 ; int tmp___1 ; int tmp___2 ; { retval = 0L; tmp = scsi_block_when_processing_errors(STp->device); if (tmp == 0) { retval = -6L; goto out; } else { } if ((unsigned int )STp->ready != 0U) { if ((unsigned int )STp->ready == 2U) { retval = -123L; } else { retval = -5L; } goto out; } else { } if ((unsigned int )STp->modes[STp->current_mode].defined == 0U) { retval = -6L; goto out; } else { } if ((unsigned int )STp->pos_unknown != 0U) { retval = -5L; goto out; } else { } if (count == 0UL) { goto out; } else { } if ((unsigned int )STp->in_use == 0U) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Incorrect device.\n"); retval = -5L; goto out; } else { } if ((unsigned int )STp->can_partitions != 0U) { tmp___1 = switch_partition(STp); retval = (ssize_t )tmp___1; if (retval < 0L) { goto out; } else { } } else { } if ((STp->block_size == 0 && STp->max_block > 0) && ((size_t )STp->min_block > count || (size_t )STp->max_block < count)) { retval = -22L; goto out; } else { } if ((unsigned int )STp->do_auto_lock != 0U && (unsigned int )STp->door_locked == 0U) { tmp___2 = do_door_lock(STp, 1); if (tmp___2 == 0) { STp->door_locked = 2U; } else { } } else { } out: ; return (retval); } } static int setup_buffering(struct scsi_tape *STp , char const *buf , size_t count , int is_read ) { int i ; int bufsize ; int retval ; struct st_buffer *STbp ; int tmp ; char *tmp___0 ; int tmp___1 ; { retval = 0; STbp = STp->buffer; if (is_read != 0) { i = (unsigned int )STp->try_dio_now != 0U && try_rdio != 0; } else { i = (unsigned int )STp->try_dio_now != 0U && try_wdio != 0; } if (i != 0) { tmp = queue_dma_alignment((STp->device)->request_queue); if (((unsigned long )tmp & (unsigned long )buf) == 0UL) { i = sgl_map_user_pages(STbp, (unsigned int const )STbp->use_sg, (unsigned long )buf, count, is_read == 0); if (i > 0) { STbp->do_dio = (unsigned short )i; STbp->buffer_bytes = 0; } else { STbp->do_dio = 0U; } STbp->sg_segs = STbp->do_dio; if ((unsigned int )STbp->do_dio != 0U) { STp->nbr_dio = STp->nbr_dio + 1; STp->nbr_pages = STp->nbr_pages + (int )STbp->do_dio; } else { } } else { STbp->do_dio = 0U; } } else { STbp->do_dio = 0U; } STp->nbr_requests = STp->nbr_requests + 1; if ((unsigned int )STbp->do_dio == 0U) { if (STp->block_size != 0) { bufsize = st_fixed_buffer_size > STp->block_size ? st_fixed_buffer_size : STp->block_size; } else { bufsize = (int )count; if ((is_read != 0 && (unsigned int )STp->sili != 0U) && (unsigned int )STbp->cleared == 0U) { clear_buffer(STbp); } else { } } if (STbp->buffer_size < bufsize) { tmp___1 = enlarge_buffer(STbp, bufsize, (int )STp->restr_dma); if (tmp___1 == 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Can\'t allocate %d byte tape buffer.\n", bufsize); retval = -75; goto out; } else { } } else { } if (STp->block_size != 0) { STbp->buffer_blocks = bufsize / STp->block_size; } else { } } else { } out: ; return (retval); } } static void release_buffering(struct scsi_tape *STp , int is_read ) { struct st_buffer *STbp ; { STbp = STp->buffer; if ((unsigned int )STbp->do_dio != 0U) { sgl_unmap_user_pages(STbp, (unsigned int const )STbp->do_dio, is_read); STbp->do_dio = 0U; STbp->sg_segs = 0U; } else { } return; } } static ssize_t st_write(struct file *filp , char const *buf , size_t count , loff_t *ppos ) { ssize_t total ; ssize_t i ; ssize_t do_count ; ssize_t blks ; ssize_t transfer ; ssize_t retval ; int undone ; int retry_eot ; int scode ; int async_write ; unsigned char cmd[16U] ; char const *b_point ; struct st_request *SRpnt ; struct scsi_tape *STp ; struct st_modedef *STm ; struct st_partstat *STps ; struct st_buffer *STbp ; int tmp ; char *tmp___0 ; int tmp___1 ; int tmp___2 ; char *tmp___3 ; int tmp___4 ; int tmp___5 ; unsigned long tmp___6 ; unsigned long tmp___7 ; int tmp___8 ; int tmp___9 ; struct st_cmdstatus *cmdstatp ; char *tmp___10 ; char *tmp___11 ; char *tmp___12 ; char *tmp___13 ; { retry_eot = 0; SRpnt = (struct st_request *)0; STp = (struct scsi_tape *)filp->private_data; tmp = mutex_lock_interruptible_nested(& STp->lock, 0U); if (tmp != 0) { return (-512L); } else { } retval = rw_checks(STp, filp, count); if (retval != 0L || count == 0UL) { goto out; } else { } if (STp->block_size != 0 && count % (size_t )STp->block_size != 0UL) { tmp___0 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Write not multiple of tape block size.\n"); retval = -22L; goto out; } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((unsigned int )STp->write_prot != 0U) { retval = -13L; goto out; } else { } if ((unsigned int )STps->rw == 1U) { tmp___1 = flush_buffer(STp, 0); retval = (ssize_t )tmp___1; if (retval != 0L) { goto out; } else { } STps->rw = 2U; } else if (((unsigned int )STps->rw != 2U && STps->drv_file == 0) && STps->drv_block == 0) { tmp___2 = set_mode_densblk(STp, STm); retval = (ssize_t )tmp___2; if (retval < 0L) { goto out; } else { } if ((unsigned int )STm->default_compression != 0U && (unsigned int )STp->compression_changed == 0U) { tmp___4 = st_compression(STp, (unsigned int )STm->default_compression == 2U); if (tmp___4 != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___3, "Can\'t set default compression.\n"); if (modes_defined != 0) { retval = -22L; goto out; } else { } } else { } } else { } } else { } STbp = STp->buffer; tmp___5 = write_behind_check(STp); i = (ssize_t )tmp___5; if (i != 0L) { if (i == -28L) { STps->eof = 3U; } else { STps->eof = 4U; } } else { } if ((unsigned int )STps->eof == 3U) { STps->eof = 5U; retval = -28L; goto out; } else if ((unsigned int )STps->eof == 4U) { retval = -5L; goto out; } else { } if (STp->block_size != 0 && (unsigned int )STbp->do_dio == 0U) { tmp___6 = copy_from_user((void *)(& i), (void const *)buf, 1UL); if (tmp___6 != 0UL) { retval = -14L; goto out; } else { tmp___7 = copy_from_user((void *)(& i), (void const *)(buf + (count + 0xffffffffffffffffUL)), 1UL); if (tmp___7 != 0UL) { retval = -14L; goto out; } else { } } } else { } tmp___8 = setup_buffering(STp, buf, count, 0); retval = (ssize_t )tmp___8; if (retval != 0L) { goto out; } else { } total = (ssize_t )count; memset((void *)(& cmd), 0, 16UL); cmd[0] = 10U; cmd[1] = STp->block_size != 0; STps->rw = 2U; b_point = buf; goto ldv_35882; ldv_35881: ; if ((unsigned int )STbp->do_dio != 0U) { do_count = (ssize_t )count; } else { if (STp->block_size == 0) { do_count = (ssize_t )count; } else { do_count = (ssize_t )(STbp->buffer_blocks * STp->block_size - STbp->buffer_bytes); if ((unsigned long )do_count > count) { do_count = (ssize_t )count; } else { } } tmp___9 = append_to_buffer(b_point, STbp, (int )do_count); i = (ssize_t )tmp___9; if (i != 0L) { retval = i; goto out; } else { } } count = count - (unsigned long )do_count; b_point = b_point + (unsigned long )do_count; async_write = ((STp->block_size == 0 && (unsigned int )STbp->do_dio == 0U) && (unsigned int )STm->do_async_writes != 0U) && (unsigned int )STps->eof <= 2U; if ((((STp->block_size != 0 && (unsigned int )STm->do_buffer_writes != 0U) && ((unsigned int )STp->try_dio_now == 0U || try_wdio == 0)) && (unsigned int )STps->eof <= 2U) && STbp->buffer_bytes < STbp->buffer_size) { STp->dirty = 1U; if (async_write == 0 && count == 0UL) { goto ldv_35878; } else { } } else { } retry_write: ; if (STp->block_size == 0) { transfer = do_count; blks = transfer; } else { if ((unsigned int )STbp->do_dio == 0U) { blks = (ssize_t )STbp->buffer_bytes; } else { blks = do_count; } blks = blks / (ssize_t )STp->block_size; transfer = (ssize_t )STp->block_size * blks; } cmd[2] = (unsigned char )(blks >> 16); cmd[3] = (unsigned char )(blks >> 8); cmd[4] = (unsigned char )blks; SRpnt = st_do_scsi(SRpnt, STp, (unsigned char *)(& cmd), (int )transfer, 1, (int )((STp->device)->request_queue)->rq_timeout, 0, async_write == 0); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { retval = (ssize_t )STbp->syscall_result; goto out; } else { } if (async_write != 0 && STbp->syscall_result == 0) { STbp->writing = (int )transfer; STp->dirty = STbp->writing != STbp->buffer_bytes; SRpnt = (struct st_request *)0; STp->write_pending = 1U; goto ldv_35878; } else { } if (STbp->syscall_result != 0) { cmdstatp = & (STp->buffer)->cmdstat; if (debugging != 0) { tmp___10 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___10, "Error on write:\n"); } else { } if (cmdstatp->have_sense != 0 && ((int )cmdstatp->flags & 64) != 0) { scode = (int )cmdstatp->sense_hdr.sense_key; if ((unsigned int )cmdstatp->remainder_valid != 0U) { undone = (int )cmdstatp->uremainder64; } else if (STp->block_size == 0 && scode == 13) { undone = (int )transfer; } else { undone = 0; } if (STp->block_size != 0) { undone = STp->block_size * undone; } else { } if ((ssize_t )undone <= do_count) { count = (size_t )undone + count; b_point = b_point + - ((unsigned long )undone); do_count = do_count - (ssize_t )undone; if (STp->block_size != 0) { blks = (transfer - (ssize_t )undone) / (ssize_t )STp->block_size; } else { } STps->eof = 3U; if ((STp->block_size == 0 || undone > 0) || count == 0UL) { retval = -28L; } else { } if (debugging != 0) { tmp___11 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___11, "EOM with %d bytes unwritten.\n", (int )count); } else { } } else if ((retry_eot == 0 && (unsigned int )cmdstatp->deferred == 0U) && (scode == 0 || scode == 1)) { move_buffer_data(STp->buffer, (int )((unsigned int )transfer - (unsigned int )undone)); retry_eot = 1; if (STps->drv_block >= 0) { STps->drv_block = (int )((unsigned int )STps->drv_block + (unsigned int )((transfer - (ssize_t )undone) / (ssize_t )STp->block_size)); } else { } STps->eof = 3U; if (debugging != 0) { tmp___12 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___12, "Retry write of %d bytes at EOM.\n", (STp->buffer)->buffer_bytes); } else { } goto retry_write; } else { count = count - (unsigned long )do_count; do_count = 0L; blks = do_count; STps->eof = 4U; STps->drv_block = -1; retval = -5L; if (debugging != 0) { tmp___13 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___13, "EOM with lost data.\n"); } else { } } } else { count = count + (unsigned long )do_count; STps->drv_block = -1; retval = (ssize_t )STbp->syscall_result; } } else { } if (STps->drv_block >= 0) { if (STp->block_size == 0) { STps->drv_block = STps->drv_block + (do_count > 0L); } else { STps->drv_block = (int )((unsigned int )STps->drv_block + (unsigned int )blks); } } else { } STbp->buffer_bytes = 0; STp->dirty = 0U; if (retval != 0L || retry_eot != 0) { if ((unsigned long )total > count) { retval = (ssize_t )((unsigned long )total - count); } else { } goto out; } else { } ldv_35882: ; if (count != 0UL && retry_eot == 0) { goto ldv_35881; } else { } ldv_35878: ; if ((unsigned int )STps->eof == 5U) { STps->eof = 3U; } else if ((unsigned int )STps->eof != 3U) { STps->eof = 0U; } else { } retval = (ssize_t )((unsigned long )total - count); out: ; if ((unsigned long )SRpnt != (unsigned long )((struct st_request *)0)) { st_release_request(SRpnt); } else { } release_buffering(STp, 0); mutex_unlock(& STp->lock); return (retval); } } static long read_tape(struct scsi_tape *STp , long count , struct st_request **aSRpnt ) { int transfer ; int blks ; int bytes ; unsigned char cmd[16U] ; struct st_request *SRpnt ; struct st_modedef *STm ; struct st_partstat *STps ; struct st_buffer *STbp ; int retval ; struct st_cmdstatus *cmdstatp ; char *tmp ; char *tmp___0 ; struct st_request *tmp___1 ; char *tmp___2 ; char *tmp___3 ; int tmp___4 ; char *tmp___5 ; char *tmp___6 ; char *tmp___7 ; char *tmp___8 ; { retval = 0; if (count == 0L) { return (0L); } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((unsigned int )STps->eof == 1U) { return (1L); } else { } STbp = STp->buffer; if (STp->block_size == 0) { bytes = (int )count; blks = bytes; } else if (((unsigned int )STp->try_dio_now == 0U || try_rdio == 0) && (unsigned int )STm->do_read_ahead != 0U) { blks = (STp->buffer)->buffer_blocks; bytes = STp->block_size * blks; } else { bytes = (int )count; if ((unsigned int )STbp->do_dio == 0U && (STp->buffer)->buffer_size < bytes) { bytes = (STp->buffer)->buffer_size; } else { } blks = bytes / STp->block_size; bytes = STp->block_size * blks; } memset((void *)(& cmd), 0, 16UL); cmd[0] = 8U; cmd[1] = STp->block_size != 0; if ((unsigned int )cmd[1] == 0U && (unsigned int )STp->sili != 0U) { cmd[1] = (unsigned int )cmd[1] | 2U; } else { } cmd[2] = (unsigned char )(blks >> 16); cmd[3] = (unsigned char )(blks >> 8); cmd[4] = (unsigned char )blks; SRpnt = *aSRpnt; SRpnt = st_do_scsi(SRpnt, STp, (unsigned char *)(& cmd), bytes, 2, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); release_buffering(STp, 1); *aSRpnt = SRpnt; if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((long )STbp->syscall_result); } else { } STbp->read_pointer = 0; STps->at_sm = 0U; if (STbp->syscall_result != 0) { cmdstatp = & (STp->buffer)->cmdstat; retval = 1; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Sense: %2x %2x %2x %2x %2x %2x %2x %2x\n", (int )SRpnt->sense[0], (int )SRpnt->sense[1], (int )SRpnt->sense[2], (int )SRpnt->sense[3], (int )SRpnt->sense[4], (int )SRpnt->sense[5], (int )SRpnt->sense[6], (int )SRpnt->sense[7]); } else { } if (cmdstatp->have_sense != 0) { if ((unsigned int )cmdstatp->sense_hdr.sense_key == 8U) { cmdstatp->flags = (unsigned int )cmdstatp->flags & 207U; } else { } if ((unsigned int )cmdstatp->flags != 0U) { if ((unsigned int )cmdstatp->remainder_valid != 0U) { transfer = (int )cmdstatp->uremainder64; } else { transfer = 0; } if (STp->block_size == 0 && (unsigned int )cmdstatp->sense_hdr.sense_key == 3U) { transfer = bytes; } else { } if (((int )cmdstatp->flags & 32) != 0) { if (STp->block_size == 0 && transfer < 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Failed to read %d byte block with %d byte transfer.\n", bytes - transfer, bytes); if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + 1; } else { } STbp->buffer_bytes = 0; return (-12L); } else if (STp->block_size == 0) { STbp->buffer_bytes = bytes - transfer; } else { st_release_request(SRpnt); tmp___1 = (struct st_request *)0; *aSRpnt = tmp___1; SRpnt = tmp___1; if (transfer == blks) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Incorrect block size.\n"); if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + ((blks - transfer) + 1); } else { } st_int_ioctl(STp, 4U, 1UL); return (-5L); } else { } STbp->buffer_bytes = (blks - transfer) * STp->block_size; if (debugging != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___3, "ILI but enough data received %ld %d.\n", count, STbp->buffer_bytes); } else { } if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + 1; } else { } tmp___4 = st_int_ioctl(STp, 4U, 1UL); if (tmp___4 != 0) { return (-5L); } else { } } } else if ((int )((signed char )cmdstatp->flags) < 0) { if ((unsigned int )STps->eof != 1U) { STps->eof = 1U; } else { STps->eof = 6U; } if (STp->block_size == 0) { STbp->buffer_bytes = 0; } else { STbp->buffer_bytes = bytes - STp->block_size * transfer; } if (debugging != 0) { tmp___5 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___5, "EOF detected (%d bytes read).\n", STbp->buffer_bytes); } else { } } else if (((int )cmdstatp->flags & 64) != 0) { if ((unsigned int )STps->eof == 2U) { STps->eof = 5U; } else { STps->eof = 3U; } if (STp->block_size == 0) { STbp->buffer_bytes = bytes - transfer; } else { STbp->buffer_bytes = bytes - STp->block_size * transfer; } if (debugging != 0) { tmp___6 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___6, "EOM detected (%d bytes read).\n", STbp->buffer_bytes); } else { } } else { } } else { if (debugging != 0) { tmp___7 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___7, "Tape error while reading.\n"); } else { } STps->drv_block = -1; if ((unsigned int )STps->eof == 2U && (unsigned int )cmdstatp->sense_hdr.sense_key == 8U) { if (debugging != 0) { tmp___8 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___8, "Zero returned for first BLANK CHECK after EOF.\n"); } else { } STps->eof = 6U; } else { retval = -5; } } if (STbp->buffer_bytes < 0) { STbp->buffer_bytes = 0; } else { } } else { retval = STbp->syscall_result; } } else { STbp->buffer_bytes = bytes; if ((unsigned int )STp->sili != 0U) { STbp->buffer_bytes = STbp->buffer_bytes - (STp->buffer)->cmdstat.residual; } else { } } if (STps->drv_block >= 0) { if (STp->block_size == 0) { STps->drv_block = STps->drv_block + 1; } else { STps->drv_block = STps->drv_block + STbp->buffer_bytes / STp->block_size; } } else { } return ((long )retval); } } static ssize_t st_read(struct file *filp , char *buf , size_t count , loff_t *ppos ) { ssize_t total ; ssize_t retval ; ssize_t i ; ssize_t transfer ; int special ; int do_dio ; struct st_request *SRpnt ; struct scsi_tape *STp ; struct st_modedef *STm ; struct st_partstat *STps ; struct st_buffer *STbp ; int tmp ; int tmp___0 ; char *tmp___1 ; int tmp___2 ; unsigned long tmp___3 ; unsigned long tmp___4 ; unsigned long tmp___5 ; unsigned long tmp___6 ; long tmp___7 ; char *tmp___8 ; int tmp___9 ; { retval = 0L; do_dio = 0; SRpnt = (struct st_request *)0; STp = (struct scsi_tape *)filp->private_data; STbp = STp->buffer; tmp = mutex_lock_interruptible_nested(& STp->lock, 0U); if (tmp != 0) { return (-512L); } else { } retval = rw_checks(STp, filp, count); if (retval != 0L || count == 0UL) { goto out; } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; if (STp->block_size != 0 && count % (size_t )STp->block_size != 0UL) { if ((unsigned int )STm->do_read_ahead == 0U) { retval = -22L; goto out; } else { } STp->try_dio_now = 0U; } else { } STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if ((unsigned int )STps->rw == 2U) { tmp___0 = flush_buffer(STp, 0); retval = (ssize_t )tmp___0; if (retval != 0L) { goto out; } else { } STps->rw = 1U; } else { } if (debugging != 0 && (unsigned int )STps->eof != 0U) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "EOF/EOM flag up (%d). Bytes %d\n", (int )STps->eof, STbp->buffer_bytes); } else { } tmp___2 = setup_buffering(STp, (char const *)buf, count, 1); retval = (ssize_t )tmp___2; if (retval != 0L) { goto out; } else { } do_dio = (int )STbp->do_dio; if (STbp->buffer_bytes == 0 && (unsigned int )STps->eof > 4U) { if ((unsigned int )STps->eof <= 6U) { STps->eof = (unsigned int )STps->eof + 1U; retval = 0L; goto out; } else { } retval = -5L; goto out; } else { } if (do_dio != 0) { tmp___3 = copy_from_user((void *)(& i), (void const *)buf, 1UL); if (tmp___3 != 0UL) { retval = -14L; goto out; } else { tmp___4 = copy_to_user((void *)buf, (void const *)(& i), 1UL); if (tmp___4 != 0UL) { retval = -14L; goto out; } else { tmp___5 = copy_from_user((void *)(& i), (void const *)(buf + (count + 0xffffffffffffffffUL)), 1UL); if (tmp___5 != 0UL) { retval = -14L; goto out; } else { tmp___6 = copy_to_user((void *)(buf + (count + 0xffffffffffffffffUL)), (void const *)(& i), 1UL); if (tmp___6 != 0UL) { retval = -14L; goto out; } else { } } } } } else { } STps->rw = 1U; total = 0L; special = 0; goto ldv_35918; ldv_35917: ; if (STbp->buffer_bytes == 0) { tmp___7 = read_tape(STp, (long )(count - (unsigned long )total), & SRpnt); special = (int )tmp___7; if (special < 0) { retval = (ssize_t )special; goto out; } else { } } else { } if (STbp->buffer_bytes > 0) { if (debugging != 0 && (unsigned int )STps->eof != 0U) { tmp___8 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___8, "EOF up (%d). Left %d, needed %d.\n", (int )STps->eof, STbp->buffer_bytes, (int )((unsigned int )count - (unsigned int )total)); } else { } transfer = (ssize_t )((unsigned long )STbp->buffer_bytes < count - (unsigned long )total ? (unsigned long )STbp->buffer_bytes : count - (unsigned long )total); if (do_dio == 0) { tmp___9 = from_buffer(STbp, buf, (int )transfer); i = (ssize_t )tmp___9; if (i != 0L) { retval = i; goto out; } else { } } else { } buf = buf + (unsigned long )transfer; total = total + transfer; } else { } if (STp->block_size == 0) { goto ldv_35916; } else { } ldv_35918: ; if ((unsigned long )total < count && special == 0) { goto ldv_35917; } else { } ldv_35916: ; if (total == 0L) { if ((unsigned int )STps->eof == 1U) { STps->eof = 2U; STps->drv_block = 0; if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } } else if ((unsigned int )STps->eof == 5U) { STps->eof = 6U; STps->drv_block = 0; if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } } else if ((unsigned int )STps->eof == 6U) { STps->eof = 7U; } else { } } else if ((unsigned int )STps->eof == 2U) { STps->eof = 0U; } else { } retval = total; out: ; if ((unsigned long )SRpnt != (unsigned long )((struct st_request *)0)) { st_release_request(SRpnt); SRpnt = (struct st_request *)0; } else { } if (do_dio != 0) { release_buffering(STp, 1); STbp->buffer_bytes = 0; } else { } mutex_unlock(& STp->lock); return (retval); } } static void st_log_options(struct scsi_tape *STp , struct st_modedef *STm ) { char *tmp ; char *tmp___0 ; char *tmp___1 ; char *tmp___2 ; char *tmp___3 ; { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp, "Mode %d options: buffer writes: %d, async writes: %d, read ahead: %d\n", STp->current_mode, (int )STm->do_buffer_writes, (int )STm->do_async_writes, (int )STm->do_read_ahead); tmp___0 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___0, " can bsr: %d, two FMs: %d, fast mteom: %d, auto lock: %d,\n", (int )STp->can_bsr, (int )STp->two_fm, (int )STp->fast_mteom, (int )STp->do_auto_lock); tmp___1 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___1, " defs for wr: %d, no block limits: %d, partitions: %d, s2 log: %d\n", (int )STm->defaults_for_writes, (int )STp->omit_blklims, (int )STp->can_partitions, (int )STp->scsi2_logical); tmp___2 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___2, " sysv: %d nowait: %d sili: %d nowait_filemark: %d\n", (int )STm->sysv, (int )STp->immediate, (int )STp->sili, (int )STp->immediate_filemark); tmp___3 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___3, " debugging: %d\n", debugging); } else { } return; } } static int st_set_options(struct scsi_tape *STp , long options ) { int value ; long code ; struct st_modedef *STm ; struct cdev *cd0 ; struct cdev *cd1 ; struct device *d0 ; struct device *d1 ; char *tmp ; char *tmp___0 ; char *tmp___1 ; char *tmp___2 ; char *tmp___3 ; char *tmp___4 ; char *tmp___5 ; char *tmp___6 ; char *tmp___7 ; char *tmp___8 ; char *tmp___9 ; char *tmp___10 ; char *tmp___11 ; { STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; if ((unsigned int )STm->defined == 0U) { cd0 = STm->cdevs[0]; cd1 = STm->cdevs[1]; d0 = STm->devs[0]; d1 = STm->devs[1]; memcpy((void *)STm, (void const *)(& STp->modes), 56UL); STm->cdevs[0] = cd0; STm->cdevs[1] = cd1; STm->devs[0] = d0; STm->devs[1] = d1; modes_defined = 1; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Initialized mode %d definition from mode 0\n", STp->current_mode); } else { } } else { } code = options & 4026531840L; if (code == 268435456L) { STm->do_buffer_writes = (unsigned int )((unsigned char )options) & 1U; STm->do_async_writes = (options & 2L) != 0L; STm->defaults_for_writes = (options & 128L) != 0L; STm->do_read_ahead = (options & 4L) != 0L; STp->two_fm = (options & 16L) != 0L; STp->fast_mteom = (options & 32L) != 0L; STp->do_auto_lock = (options & 64L) != 0L; STp->can_bsr = (options & 256L) != 0L; STp->omit_blklims = (options & 512L) != 0L; if ((int )((signed char )(STp->device)->scsi_level) > 2) { STp->can_partitions = (options & 1024L) != 0L; } else { } STp->scsi2_logical = (options & 2048L) != 0L; STp->immediate = (options & 8192L) != 0L; STp->immediate_filemark = (options & 32768L) != 0L; STm->sysv = (options & 4096L) != 0L; STp->sili = (options & 16384L) != 0L; debugging = (options & 8L) != 0L; st_log_options(STp, STm); } else if (code == 805306368L || code == 1073741824L) { value = code == 805306368L; if ((int )options & 1) { STm->do_buffer_writes = (unsigned char )value; } else { } if ((options & 2L) != 0L) { STm->do_async_writes = (unsigned char )value; } else { } if ((options & 128L) != 0L) { STm->defaults_for_writes = (unsigned char )value; } else { } if ((options & 4L) != 0L) { STm->do_read_ahead = (unsigned char )value; } else { } if ((options & 16L) != 0L) { STp->two_fm = (unsigned char )value; } else { } if ((options & 32L) != 0L) { STp->fast_mteom = (unsigned char )value; } else { } if ((options & 64L) != 0L) { STp->do_auto_lock = (unsigned char )value; } else { } if ((options & 256L) != 0L) { STp->can_bsr = (unsigned char )value; } else { } if ((options & 512L) != 0L) { STp->omit_blklims = (unsigned char )value; } else { } if ((int )((signed char )(STp->device)->scsi_level) > 2 && (options & 1024L) != 0L) { STp->can_partitions = (unsigned char )value; } else { } if ((options & 2048L) != 0L) { STp->scsi2_logical = (unsigned char )value; } else { } if ((options & 8192L) != 0L) { STp->immediate = (unsigned char )value; } else { } if ((options & 32768L) != 0L) { STp->immediate_filemark = (unsigned char )value; } else { } if ((options & 4096L) != 0L) { STm->sysv = (unsigned char )value; } else { } if ((options & 16384L) != 0L) { STp->sili = (unsigned char )value; } else { } if ((options & 8L) != 0L) { debugging = value; } else { } st_log_options(STp, STm); } else if (code == 536870912L) { } else if (code == 1342177280L) { value = (int )options & 268435455; if (value == 268435455) { STm->default_blksize = -1; if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Default block size disabled.\n"); } else { } } else { STm->default_blksize = value; if (debugging != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Default block size set to %d bytes.\n", STm->default_blksize); } else { } if ((unsigned int )STp->ready == 0U) { STp->blksize_changed = 0U; set_mode_densblk(STp, STm); } else { } } } else if (code == 1879048192L) { value = (int )options & 268435455; if ((value & 1880096768) != 0) { STp->long_timeout = (value & -1880096769) * 250; if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Long timeout set to %d seconds.\n", value & -1880096769); } else { } } else { blk_queue_rq_timeout((STp->device)->request_queue, (unsigned int )(value * 250)); if (debugging != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___3, "Normal timeout set to %d seconds.\n", value); } else { } } } else if (code == 2147483648L) { value = (int )options & 255; if (value != 0 && (value <= 17 || value > 95)) { return (-22); } else { } STp->cln_mode = (unsigned char )value; STp->cln_sense_mask = (unsigned char )(options >> 8); STp->cln_sense_value = (unsigned char )(options >> 16); tmp___4 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___4, "Cleaning request mode %d, mask %02x, value %02x\n", value, (int )STp->cln_sense_mask, (int )STp->cln_sense_value); } else if (code == 1610612736L) { code = options & -1048576L; value = (int )options & 1048575; if (code == 1611661312L) { if (value == 1048575) { STm->default_density = -1; if (debugging != 0) { tmp___5 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___5, "Density default disabled.\n"); } else { } } else { STm->default_density = (int )((short )value) & 255; if (debugging != 0) { tmp___6 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___6, "Density default set to %x\n", (int )STm->default_density); } else { } if ((unsigned int )STp->ready == 0U) { STp->density_changed = 0U; set_mode_densblk(STp, STm); } else { } } } else if (code == 1613758464L) { if (value == 1048575) { STp->default_drvbuffer = 255U; if (debugging != 0) { tmp___7 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___7, "Drive buffer default disabled.\n"); } else { } } else { STp->default_drvbuffer = (unsigned int )((unsigned char )value) & 7U; if (debugging != 0) { tmp___8 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___8, "Drive buffer default set to %x\n", (int )STp->default_drvbuffer); } else { } if ((unsigned int )STp->ready == 0U) { st_int_ioctl(STp, 24U, (unsigned long )STp->default_drvbuffer); } else { } } } else if (code == 1612709888L) { if (value == 1048575) { STm->default_compression = 0U; if (debugging != 0) { tmp___9 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___9, "Compression default disabled.\n"); } else { } } else { if ((value & 65280) != 0) { STp->c_algo = (unsigned char )((value & 65280) >> 8); if (debugging != 0) { tmp___10 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___10, "Compression algorithm set to 0x%x.\n", (int )STp->c_algo); } else { } } else { } if ((value & 255) != 255) { STm->default_compression = value & 1 ? 2U : 1U; if (debugging != 0) { tmp___11 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___11, "Compression default set to %x\n", value & 1); } else { } if ((unsigned int )STp->ready == 0U) { STp->compression_changed = 0U; st_compression(STp, (unsigned int )STm->default_compression == 2U); } else { } } else { } } } else { } } else { return (-5); } return (0); } } static int read_mode_page(struct scsi_tape *STp , int page , int omit_block_descs ) { unsigned char cmd[16U] ; struct st_request *SRpnt ; { memset((void *)(& cmd), 0, 16UL); cmd[0] = 26U; if (omit_block_descs != 0) { cmd[1] = 8U; } else { } cmd[2] = (unsigned char )page; cmd[4] = 255U; SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), (int )cmd[4], 2, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } st_release_request(SRpnt); return ((STp->buffer)->syscall_result); } } static int write_mode_page(struct scsi_tape *STp , int page , int slow ) { int pgo ; unsigned char cmd[16U] ; struct st_request *SRpnt ; int timeout ; { memset((void *)(& cmd), 0, 16UL); cmd[0] = 21U; cmd[1] = 16U; pgo = (int )*((STp->buffer)->b_data + 3UL) + 4; cmd[4] = (unsigned int )((int )*((STp->buffer)->b_data + ((unsigned long )pgo + 1UL)) + (int )((unsigned char )pgo)) + 2U; *((STp->buffer)->b_data) = 0U; *((STp->buffer)->b_data + 1UL) = 0U; *((STp->buffer)->b_data + 2UL) = (unsigned int )*((STp->buffer)->b_data + 2UL) & 127U; *((STp->buffer)->b_data + (unsigned long )pgo) = (unsigned int )*((STp->buffer)->b_data + (unsigned long )pgo) & 63U; timeout = slow != 0 ? STp->long_timeout : (int )((STp->device)->request_queue)->rq_timeout; SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), (int )cmd[4], 1, timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } st_release_request(SRpnt); return ((STp->buffer)->syscall_result); } } static int st_compression(struct scsi_tape *STp , int state ) { int retval ; int mpoffs ; unsigned char *b_data ; char *tmp ; char *tmp___0 ; char *tmp___1 ; char *tmp___2 ; char *tmp___3 ; { b_data = (STp->buffer)->b_data; if ((unsigned int )STp->ready != 0U) { return (-5); } else { } retval = read_mode_page(STp, 15, 0); if (retval != 0) { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Compression mode page not supported.\n"); } else { } return (-5); } else { } mpoffs = (int )*(b_data + 3UL) + 4; if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Compression state is %d.\n", (int )((signed char )*(b_data + ((unsigned long )mpoffs + 2UL))) < 0); } else { } if (((int )*(b_data + ((unsigned long )mpoffs + 2UL)) & 64) == 0) { if (debugging != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Compression not supported.\n"); } else { } return (-5); } else { } if (state != 0) { *(b_data + ((unsigned long )mpoffs + 2UL)) = (unsigned int )*(b_data + ((unsigned long )mpoffs + 2UL)) | 128U; if ((unsigned int )STp->c_algo != 0U) { *(b_data + ((unsigned long )mpoffs + 7UL)) = STp->c_algo; } else { } } else { *(b_data + ((unsigned long )mpoffs + 2UL)) = (unsigned int )*(b_data + ((unsigned long )mpoffs + 2UL)) & 127U; if ((unsigned int )STp->c_algo != 0U) { *(b_data + ((unsigned long )mpoffs + 7UL)) = 0U; } else { } } retval = write_mode_page(STp, 15, 0); if (retval != 0) { if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Compression change failed.\n"); } else { } return (-5); } else { } if (debugging != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___3, "Compression state changed to %d.\n", state); } else { } STp->compression_changed = 1U; return (0); } } static int do_load_unload(struct scsi_tape *STp , struct file *filp , int load_code ) { int retval ; int timeout ; unsigned char cmd[16U] ; struct st_partstat *STps ; struct st_request *SRpnt ; char *tmp ; char *tmp___0 ; char *tmp___1 ; int tmp___2 ; { retval = -5; if ((unsigned int )STp->ready != 0U && load_code == 0) { if ((unsigned int )STp->ready == 2U) { return (-123); } else { return (-5); } } else { } memset((void *)(& cmd), 0, 16UL); cmd[0] = 27U; if (load_code != 0) { cmd[4] = (unsigned int )cmd[4] | 1U; } else { } if (load_code > 10000 && load_code <= 10006) { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, " Enhanced %sload slot %2d.\n", (unsigned int )cmd[4] != 0U ? (char *)"" : (char *)"un", load_code + -10000); } else { } cmd[3] = (unsigned int )((unsigned char )load_code) + 240U; } else { } if ((unsigned int )STp->immediate != 0U) { cmd[1] = 1U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { timeout = STp->long_timeout; } if (debugging != 0) { if (load_code == 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Unloading tape.\n"); } else { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Loading tape.\n"); } } else { } SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), 0, 3, timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } retval = (STp->buffer)->syscall_result; st_release_request(SRpnt); if (retval == 0) { if (load_code == 0) { STp->rew_at_close = 0U; STp->ready = 2U; } else { STp->rew_at_close = STp->autorew_dev; retval = check_tape(STp, filp); if (retval > 0) { retval = 0; } else { } } } else { STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; tmp___2 = -1; STps->drv_block = tmp___2; STps->drv_file = tmp___2; } return (retval); } } static void deb_space_print(struct scsi_tape *STp , int direction , char *units , unsigned char *cmd ) { s32 sc ; char *tmp ; { if (debugging == 0) { return; } else { } sc = (int )((signed char )*(cmd + 2UL)) < 0 ? -16777216 : 0; sc = ((((int )*(cmd + 2UL) << 16) | ((int )*(cmd + 3UL) << 8)) | (int )*(cmd + 4UL)) | sc; if (direction != 0) { sc = - sc; } else { } tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Spacing tape %s over %d %s.\n", direction != 0 ? (char *)"backward" : (char *)"forward", sc, units); return; } } static int st_int_ioctl(struct scsi_tape *STp , unsigned int cmd_in , unsigned long arg ) { int timeout ; long ltmp ; int ioctl_result ; int chg_eof ; unsigned char cmd[16U] ; struct st_request *SRpnt ; struct st_partstat *STps ; int fileno ; int blkno ; int at_sm ; int undone ; int datalen ; int direction ; int __ret_warn_on ; long tmp ; char *tmp___0 ; char *tmp___1 ; char *tmp___2 ; char *tmp___3 ; char *tmp___4 ; char *tmp___5 ; char *tmp___6 ; char *tmp___7 ; char *tmp___8 ; char *tmp___9 ; char *tmp___10 ; int tmp___11 ; struct st_cmdstatus *cmdstatp ; int tmp___12 ; { chg_eof = 1; datalen = 0; direction = 3; __ret_warn_on = (unsigned int )(STp->buffer)->do_dio != 0U; tmp = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp != 0L) { warn_slowpath_null("/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/6334/dscv_tempdir/dscv/ri/08_1a/drivers/scsi/st.c", 2707); } else { } ldv__builtin_expect(__ret_warn_on != 0, 0L); if ((unsigned int )STp->ready != 0U) { if ((unsigned int )STp->ready == 2U) { return (-123); } else { return (-5); } } else { } timeout = STp->long_timeout; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; fileno = STps->drv_file; blkno = STps->drv_block; at_sm = (int )STps->at_sm; memset((void *)(& cmd), 0, 16UL); switch (cmd_in) { case 11U: chg_eof = 0; case 1U: cmd[0] = 17U; cmd[1] = 1U; cmd[2] = (unsigned char )(arg >> 16); cmd[3] = (unsigned char )(arg >> 8); cmd[4] = (unsigned char )arg; deb_space_print(STp, 0, (char *)"filemarks", (unsigned char *)(& cmd)); if (fileno >= 0) { fileno = (int )((unsigned int )arg + (unsigned int )fileno); } else { } blkno = 0; at_sm = (arg == 0UL) & at_sm; goto ldv_35996; case 10U: chg_eof = 0; case 2U: cmd[0] = 17U; cmd[1] = 1U; ltmp = (long )(- arg); cmd[2] = (unsigned char )(ltmp >> 16); cmd[3] = (unsigned char )(ltmp >> 8); cmd[4] = (unsigned char )ltmp; deb_space_print(STp, 1, (char *)"filemarks", (unsigned char *)(& cmd)); if (fileno >= 0) { fileno = (int )((unsigned int )fileno - (unsigned int )arg); } else { } blkno = -1; at_sm = (arg == 0UL) & at_sm; goto ldv_35996; case 3U: cmd[0] = 17U; cmd[1] = 0U; cmd[2] = (unsigned char )(arg >> 16); cmd[3] = (unsigned char )(arg >> 8); cmd[4] = (unsigned char )arg; deb_space_print(STp, 0, (char *)"blocks", (unsigned char *)(& cmd)); if (blkno >= 0) { blkno = (int )((unsigned int )arg + (unsigned int )blkno); } else { } at_sm = (arg == 0UL) & at_sm; goto ldv_35996; case 4U: cmd[0] = 17U; cmd[1] = 0U; ltmp = (long )(- arg); cmd[2] = (unsigned char )(ltmp >> 16); cmd[3] = (unsigned char )(ltmp >> 8); cmd[4] = (unsigned char )ltmp; deb_space_print(STp, 1, (char *)"blocks", (unsigned char *)(& cmd)); if (blkno >= 0) { blkno = (int )((unsigned int )blkno - (unsigned int )arg); } else { } at_sm = (arg == 0UL) & at_sm; goto ldv_35996; case 25U: cmd[0] = 17U; cmd[1] = 4U; cmd[2] = (unsigned char )(arg >> 16); cmd[3] = (unsigned char )(arg >> 8); cmd[4] = (unsigned char )arg; deb_space_print(STp, 0, (char *)"setmarks", (unsigned char *)(& cmd)); if (arg != 0UL) { fileno = -1; blkno = fileno; at_sm = 1; } else { } goto ldv_35996; case 26U: cmd[0] = 17U; cmd[1] = 4U; ltmp = (long )(- arg); cmd[2] = (unsigned char )(ltmp >> 16); cmd[3] = (unsigned char )(ltmp >> 8); cmd[4] = (unsigned char )ltmp; deb_space_print(STp, 1, (char *)"setmarks", (unsigned char *)(& cmd)); if (arg != 0UL) { fileno = -1; blkno = fileno; at_sm = 1; } else { } goto ldv_35996; case 5U: ; case 35U: ; case 27U: ; if ((unsigned int )STp->write_prot != 0U) { return (-13); } else { } cmd[0] = 16U; if (cmd_in == 27U) { cmd[1] = 2U; } else { } if (cmd_in == 35U || (cmd_in == 5U && (unsigned int )STp->immediate_filemark != 0U)) { cmd[1] = (unsigned int )cmd[1] | 1U; } else { } cmd[2] = (unsigned char )(arg >> 16); cmd[3] = (unsigned char )(arg >> 8); cmd[4] = (unsigned char )arg; timeout = (int )((STp->device)->request_queue)->rq_timeout; if (debugging != 0) { if (cmd_in != 27U) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Writing %d filemarks.\n", ((int )cmd[2] * 256 + (int )cmd[3]) * 256 + (int )cmd[4]); } else { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Writing %d setmarks.\n", ((int )cmd[2] * 256 + (int )cmd[3]) * 256 + (int )cmd[4]); } } else { } if (fileno >= 0) { fileno = (int )((unsigned int )arg + (unsigned int )fileno); } else { } blkno = 0; at_sm = cmd_in == 27U; goto ldv_35996; case 6U: cmd[0] = 1U; if ((unsigned int )STp->immediate != 0U) { cmd[1] = 1U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { } if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Rewinding tape.\n"); } else { } at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_35996; case 8U: ; if (debugging != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___3, "No op on tape.\n"); } else { } return (0); case 9U: cmd[0] = 27U; if ((unsigned int )STp->immediate != 0U) { cmd[1] = 1U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { } cmd[4] = 3U; if (debugging != 0) { tmp___4 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___4, "Retensioning tape.\n"); } else { } at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_35996; case 12U: ; if ((unsigned int )STp->fast_mteom == 0U) { ioctl_result = st_int_ioctl(STp, 1U, 8388607UL); fileno = STps->drv_file; if ((unsigned int )STps->eof > 4U) { return (0); } else { } } else { fileno = -1; } cmd[0] = 17U; cmd[1] = 3U; if (debugging != 0) { tmp___5 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___5, "Spacing to end of recorded medium.\n"); } else { } blkno = -1; at_sm = 0; goto ldv_35996; case 13U: ; if ((unsigned int )STp->write_prot != 0U) { return (-13); } else { } cmd[0] = 25U; cmd[1] = arg != 0UL; if ((unsigned int )STp->immediate != 0U) { cmd[1] = (unsigned int )cmd[1] | 2U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { timeout = STp->long_timeout * 8; } if (debugging != 0) { tmp___6 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___6, "Erasing tape.\n"); } else { } at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_35996; case 20U: ; case 21U: ; case 24U: ; case 65537U: chg_eof = 0; if ((unsigned int )STp->dirty != 0U || (STp->buffer)->buffer_bytes != 0) { return (-5); } else { } if ((((cmd_in == 20U || cmd_in == 65537U) && (arg & 16777215UL) != 0UL) && STp->max_block > 0) && ((arg & 16777215UL) < (unsigned long )STp->min_block || (arg & 16777215UL) > (unsigned long )STp->max_block)) { tmp___7 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___7, "Illegal block size.\n"); return (-22); } else { } cmd[0] = 21U; if ((int )STp->use_pf & 1) { cmd[1] = 16U; } else { } datalen = 12; cmd[4] = 12U; direction = 1; memset((void *)(STp->buffer)->b_data, 0, 12UL); if (cmd_in == 24U) { *((STp->buffer)->b_data + 2UL) = ((unsigned int )((unsigned char )arg) & 7U) << 4U; } else { *((STp->buffer)->b_data + 2UL) = (int )STp->drv_buffer << 4U; } *((STp->buffer)->b_data + 3UL) = 8U; if (cmd_in == 21U) { *((STp->buffer)->b_data + 4UL) = (unsigned char )arg; STp->density_changed = 1U; } else if (cmd_in == 65537U) { *((STp->buffer)->b_data + 4UL) = (unsigned char )(arg >> 24); } else { *((STp->buffer)->b_data + 4UL) = STp->density; } if (cmd_in == 20U || cmd_in == 65537U) { ltmp = (long )arg & 16777215L; if (cmd_in == 20U) { STp->blksize_changed = 1U; } else { } } else { ltmp = (long )STp->block_size; } *((STp->buffer)->b_data + 9UL) = (unsigned char )(ltmp >> 16); *((STp->buffer)->b_data + 10UL) = (unsigned char )(ltmp >> 8); *((STp->buffer)->b_data + 11UL) = (unsigned char )ltmp; timeout = (int )((STp->device)->request_queue)->rq_timeout; if (debugging != 0) { if (cmd_in == 20U || cmd_in == 65537U) { tmp___8 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___8, "Setting block size to %d bytes.\n", ((int )*((STp->buffer)->b_data + 9UL) * 256 + (int )*((STp->buffer)->b_data + 10UL)) * 256 + (int )*((STp->buffer)->b_data + 11UL)); } else { } if (cmd_in == 21U || cmd_in == 65537U) { tmp___9 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___9, "Setting density code to %x.\n", (int )*((STp->buffer)->b_data + 4UL)); } else { } if (cmd_in == 24U) { tmp___10 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___10, "Setting drive buffer code to %d.\n", ((int )*((STp->buffer)->b_data + 2UL) >> 4) & 7); } else { } } else { } goto ldv_35996; default: ; return (-38); } ldv_35996: SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& cmd), datalen, direction, timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } ioctl_result = (STp->buffer)->syscall_result; if (ioctl_result == 0) { st_release_request(SRpnt); SRpnt = (struct st_request *)0; STps->drv_block = blkno; STps->drv_file = fileno; STps->at_sm = (unsigned char )at_sm; if (cmd_in == 10U) { ioctl_result = st_int_ioctl(STp, 1U, 1UL); } else if (cmd_in == 11U) { ioctl_result = st_int_ioctl(STp, 2U, 1UL); } else { } if (cmd_in == 20U || cmd_in == 65537U) { STp->block_size = (int )arg & 16777215; if (STp->block_size != 0) { (STp->buffer)->buffer_blocks = (STp->buffer)->buffer_size / STp->block_size; } else { } tmp___11 = 0; (STp->buffer)->read_pointer = tmp___11; (STp->buffer)->buffer_bytes = tmp___11; if (cmd_in == 65537U) { STp->density = (unsigned char )(arg >> 24); } else { } } else if (cmd_in == 24U) { STp->drv_buffer = (unsigned int )((unsigned char )arg) & 7U; } else if (cmd_in == 21U) { STp->density = (unsigned char )arg; } else { } if (cmd_in == 12U) { STps->eof = 7U; } else if (cmd_in == 1U) { STps->eof = 2U; } else if (chg_eof != 0) { STps->eof = 0U; } else { } if (cmd_in == 5U || cmd_in == 35U) { STps->rw = 0U; } else { } } else { cmdstatp = & (STp->buffer)->cmdstat; if (((int )cmdstatp->flags & 64) != 0) { if (((cmd_in != 2U && cmd_in != 10U) && cmd_in != 4U) && cmd_in != 26U) { STps->eof = 3U; } else { } STps->drv_block = 0; } else { } if ((unsigned int )cmdstatp->remainder_valid != 0U) { undone = (int )cmdstatp->uremainder64; } else { undone = 0; } if (((cmd_in == 5U || cmd_in == 35U) && cmdstatp->have_sense != 0) && ((int )cmdstatp->flags & 64) != 0) { if ((unsigned int )cmdstatp->sense_hdr.sense_key == 0U || (unsigned int )cmdstatp->sense_hdr.sense_key == 1U) { ioctl_result = 0; STps->eof = 0U; } else { if (fileno >= 0) { fileno = fileno - undone; } else { } if ((unsigned long )undone < arg) { STps->eof = 0U; } else { } } STps->drv_file = fileno; } else if (cmd_in == 1U || cmd_in == 11U) { if (fileno >= 0) { STps->drv_file = fileno - undone; } else { STps->drv_file = fileno; } STps->drv_block = -1; STps->eof = 0U; } else if (cmd_in == 2U || cmd_in == 10U) { if (arg != 0UL && undone < 0) { undone = - undone; } else { } if (STps->drv_file >= 0) { STps->drv_file = fileno + undone; } else { } STps->drv_block = 0; STps->eof = 0U; } else if (cmd_in == 3U) { if ((int )((signed char )cmdstatp->flags) < 0) { if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } STps->drv_block = 0; STps->eof = 2U; } else { if (blkno >= undone) { STps->drv_block = blkno - undone; } else { STps->drv_block = -1; } STps->eof = 0U; } } else if (cmd_in == 4U) { if ((int )((signed char )cmdstatp->flags) < 0) { STps->drv_file = STps->drv_file - 1; STps->drv_block = -1; } else { if (arg != 0UL && undone < 0) { undone = - undone; } else { } if (STps->drv_block >= 0) { STps->drv_block = blkno + undone; } else { } } STps->eof = 0U; } else if (cmd_in == 12U) { STps->drv_file = -1; STps->drv_block = -1; STps->eof = 7U; } else if (((cmd_in == 20U || cmd_in == 21U) || cmd_in == 24U) || cmd_in == 65537U) { if ((unsigned int )cmdstatp->sense_hdr.sense_key == 5U && ((int )STp->use_pf & 2) == 0) { STp->use_pf = ((unsigned int )STp->use_pf ^ 1U) | 2U; st_release_request(SRpnt); SRpnt = (struct st_request *)0; tmp___12 = st_int_ioctl(STp, cmd_in, arg); return (tmp___12); } else { } } else if (chg_eof != 0) { STps->eof = 0U; } else { } if ((unsigned int )cmdstatp->sense_hdr.sense_key == 8U) { STps->eof = 7U; } else { } st_release_request(SRpnt); SRpnt = (struct st_request *)0; } return (ioctl_result); } } static int get_location(struct scsi_tape *STp , unsigned int *block , int *partition , int logical ) { int result ; unsigned char scmd[16U] ; struct st_request *SRpnt ; char *tmp ; int tmp___0 ; char *tmp___1 ; { if ((unsigned int )STp->ready != 0U) { return (-5); } else { } memset((void *)(& scmd), 0, 16UL); if ((int )((signed char )(STp->device)->scsi_level) <= 2) { scmd[0] = 2U; scmd[4] = 3U; } else { scmd[0] = 52U; if (logical == 0 && (unsigned int )STp->scsi2_logical == 0U) { scmd[1] = 1U; } else { } } SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& scmd), 20, 2, (int )((STp->device)->request_queue)->rq_timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } if ((STp->buffer)->syscall_result != 0 || ((int )((signed char )(STp->device)->scsi_level) > 2 && ((int )*((STp->buffer)->b_data) & 4) != 0)) { *partition = 0; *block = 0U; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, " Can\'t read tape position.\n"); } else { } result = -5; } else { result = 0; if ((int )((signed char )(STp->device)->scsi_level) <= 2) { *block = (unsigned int )((((int )*((STp->buffer)->b_data) << 16) + ((int )*((STp->buffer)->b_data + 1UL) << 8)) + (int )*((STp->buffer)->b_data + 2UL)); *partition = 0; } else { *block = (unsigned int )(((((int )*((STp->buffer)->b_data + 4UL) << 24) + ((int )*((STp->buffer)->b_data + 5UL) << 16)) + ((int )*((STp->buffer)->b_data + 6UL) << 8)) + (int )*((STp->buffer)->b_data + 7UL)); *partition = (int )*((STp->buffer)->b_data + 1UL); if ((int )((signed char )*((STp->buffer)->b_data)) < 0 && (unsigned int )*((STp->buffer)->b_data + 1UL) == 0U) { tmp___0 = 0; STp->ps[0].drv_file = tmp___0; STp->ps[0].drv_block = tmp___0; } else { } } if (debugging != 0) { tmp___1 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___1, "Got tape pos. blk %d part %d.\n", *block, *partition); } else { } } st_release_request(SRpnt); SRpnt = (struct st_request *)0; return (result); } } static int set_location(struct scsi_tape *STp , unsigned int block , int partition , int logical ) { struct st_partstat *STps ; int result ; int p ; unsigned int blk ; int timeout ; unsigned char scmd[16U] ; struct st_request *SRpnt ; char *tmp ; char *tmp___0 ; int tmp___1 ; char *tmp___2 ; int tmp___3 ; int tmp___4 ; { if ((unsigned int )STp->ready != 0U) { return (-5); } else { } timeout = STp->long_timeout; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Setting block to %d and partition to %d.\n", block, partition); } else { } if (partition < 0) { return (-5); } else { } if (((unsigned int )STp->can_partitions == 0U && partition != 0) || partition > 3) { return (-22); } else { } if (STp->partition != partition) { tmp___1 = get_location(STp, & blk, & p, 1); if (tmp___1 != 0) { STps->last_block_valid = 0U; } else { STps->last_block_valid = 1U; STps->last_block_visited = blk; if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Visited block %d for partition %d saved.\n", blk, STp->partition); } else { } } } else { } memset((void *)(& scmd), 0, 16UL); if ((int )((signed char )(STp->device)->scsi_level) <= 2) { scmd[0] = 12U; scmd[2] = (unsigned char )(block >> 16); scmd[3] = (unsigned char )(block >> 8); scmd[4] = (unsigned char )block; scmd[5] = 0U; } else { scmd[0] = 43U; scmd[3] = (unsigned char )(block >> 24); scmd[4] = (unsigned char )(block >> 16); scmd[5] = (unsigned char )(block >> 8); scmd[6] = (unsigned char )block; if (logical == 0 && (unsigned int )STp->scsi2_logical == 0U) { scmd[1] = 4U; } else { } if (STp->partition != partition) { scmd[1] = (unsigned int )scmd[1] | 2U; scmd[8] = (unsigned char )partition; if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "Trying to change partition from %d to %d\n", STp->partition, partition); } else { } } else { } } if ((unsigned int )STp->immediate != 0U) { scmd[1] = (unsigned int )scmd[1] | 1U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { } SRpnt = st_do_scsi((struct st_request *)0, STp, (unsigned char *)(& scmd), 0, 3, timeout, 0, 1); if ((unsigned long )SRpnt == (unsigned long )((struct st_request *)0)) { return ((STp->buffer)->syscall_result); } else { } tmp___3 = -1; STps->drv_file = tmp___3; STps->drv_block = tmp___3; STps->eof = 0U; if ((STp->buffer)->syscall_result != 0) { result = -5; if ((unsigned int )STp->can_partitions != 0U && (int )((signed char )(STp->device)->scsi_level) > 2) { p = find_partition(STp); if (p >= 0) { STp->partition = p; } else { } } else { } } else { if ((unsigned int )STp->can_partitions != 0U) { STp->partition = partition; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )partition; if ((unsigned int )STps->last_block_valid == 0U || STps->last_block_visited != block) { STps->at_sm = 0U; STps->rw = 0U; } else { } } else { STps->at_sm = 0U; } if (block == 0U) { tmp___4 = 0; STps->drv_file = tmp___4; STps->drv_block = tmp___4; } else { } result = 0; } st_release_request(SRpnt); SRpnt = (struct st_request *)0; return (result); } } static int find_partition(struct scsi_tape *STp ) { int i ; int partition ; unsigned int block ; { i = get_location(STp, & block, & partition, 1); if (i < 0) { return (i); } else { } if (partition > 3) { return (-5); } else { } return (partition); } } static int switch_partition(struct scsi_tape *STp ) { struct st_partstat *STps ; int tmp ; { if (STp->partition == STp->new_partition) { return (0); } else { } STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->new_partition; if ((unsigned int )STps->last_block_valid == 0U) { STps->last_block_visited = 0U; } else { } tmp = set_location(STp, STps->last_block_visited, STp->new_partition, 1); return (tmp); } } static int nbr_partitions(struct scsi_tape *STp ) { int result ; char *tmp ; char *tmp___0 ; { if ((unsigned int )STp->ready != 0U) { return (-5); } else { } result = read_mode_page(STp, 17, 1); if (result != 0) { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Can\'t read medium partition page.\n"); } else { } result = -5; } else { result = (int )*((STp->buffer)->b_data + 7UL) + 1; if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Number of partitions %d.\n", result); } else { } } return (result); } } static int partition_tape(struct scsi_tape *STp , int size ) { int result ; int pgo ; int psd_cnt ; int psdo ; unsigned char *bp ; char *tmp ; char *tmp___0 ; unsigned char tmp___1 ; char *tmp___2 ; char *tmp___3 ; char *tmp___4 ; char *tmp___5 ; { result = read_mode_page(STp, 17, 0); if (result != 0) { if (debugging != 0) { tmp = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp, "Can\'t read partition mode page.\n"); } else { } return (result); } else { } bp = (STp->buffer)->b_data; pgo = (int )*(bp + 3UL) + 4; if (debugging != 0) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Partition page length is %d bytes.\n", (int )*(bp + ((unsigned long )pgo + 1UL)) + 2); } else { } psd_cnt = ((int )*(bp + ((unsigned long )pgo + 1UL)) + -6) / 2; psdo = pgo + 8; if ((int )*(bp + ((unsigned long )pgo + 2UL)) < psd_cnt) { tmp___1 = 255U; *(bp + ((unsigned long )psdo + 1UL)) = tmp___1; *(bp + (unsigned long )psdo) = tmp___1; psdo = psdo + 2; } else { } memset((void *)bp + (unsigned long )psdo, 0, (size_t )((int )*(bp + ((unsigned long )pgo + 3UL)) * 2)); if (debugging != 0) { tmp___2 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___2, "psd_cnt %d, max.parts %d, nbr_parts %d\n", psd_cnt, (int )*(bp + ((unsigned long )pgo + 2UL)), (int )*(bp + ((unsigned long )pgo + 3UL))); } else { } if (size <= 0) { *(bp + ((unsigned long )pgo + 3UL)) = 0U; if ((int )*(bp + ((unsigned long )pgo + 2UL)) >= psd_cnt) { *(bp + ((unsigned long )pgo + 1UL)) = 6U; } else { } if (debugging != 0) { tmp___3 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___3, "Formatting tape with one partition.\n"); } else { } } else { *(bp + (unsigned long )psdo) = (unsigned char )(size >> 8); *(bp + ((unsigned long )psdo + 1UL)) = (unsigned char )size; *(bp + ((unsigned long )pgo + 3UL)) = 1U; if ((unsigned int )*(bp + ((unsigned long )pgo + 1UL)) <= 7U) { *(bp + ((unsigned long )pgo + 1UL)) = 8U; } else { } if (debugging != 0) { tmp___4 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___4, "Formatting tape with two partitions (1 = %d MB).\n", size); } else { } } *(bp + ((unsigned long )pgo + 6UL)) = 0U; *(bp + ((unsigned long )pgo + 7UL)) = 0U; *(bp + ((unsigned long )pgo + 4UL)) = 48U; result = write_mode_page(STp, 17, 1); if (result != 0) { tmp___5 = tape_name(STp); sdev_prefix_printk("\016", (struct scsi_device const *)STp->device, (char const *)tmp___5, "Partitioning of tape failed.\n"); result = -5; } else { } return (result); } } static long st_ioctl(struct file *file , unsigned int cmd_in , unsigned long arg ) { int i ; int cmd_nr ; int cmd_type ; int bt ; int retval ; unsigned int blk ; struct scsi_tape *STp ; struct st_modedef *STm ; struct st_partstat *STps ; void *p ; int tmp ; char *tmp___0 ; struct mtop mtc ; unsigned long tmp___1 ; char *tmp___2 ; bool tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; int tmp___7 ; int _max1 ; int _max2 ; struct mtget mt_status ; unsigned long tmp___8 ; struct mtpos mt_pos ; unsigned long tmp___9 ; bool tmp___10 ; int tmp___11 ; { retval = 0; STp = (struct scsi_tape *)file->private_data; p = (void *)arg; tmp = mutex_lock_interruptible_nested(& STp->lock, 0U); if (tmp != 0) { return (-512L); } else { } if (debugging != 0 && (unsigned int )STp->in_use == 0U) { tmp___0 = tape_name(STp); sdev_prefix_printk("\r", (struct scsi_device const *)STp->device, (char const *)tmp___0, "Incorrect device.\n"); retval = -5; goto out; } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; retval = scsi_ioctl_block_when_processing_errors(STp->device, (int )cmd_in, (file->f_flags & 2048U) != 0U); if (retval != 0) { goto out; } else { } cmd_type = (int )(cmd_in >> 8) & 255; cmd_nr = (int )cmd_in & 255; if (cmd_type == 109 && cmd_nr == 1) { if (((cmd_in >> 16) & 16383U) != 8U) { retval = -22; goto out; } else { } tmp___1 = copy_from_user((void *)(& mtc), (void const *)p, 8UL); i = (int )tmp___1; if (i != 0) { retval = -14; goto out; } else { } if ((int )mtc.mt_op == 24) { tmp___3 = capable(21); if (tmp___3) { tmp___4 = 0; } else { tmp___4 = 1; } if (tmp___4) { tmp___2 = tape_name(STp); sdev_prefix_printk("\f", (struct scsi_device const *)STp->device, (char const *)tmp___2, "MTSETDRVBUFFER only allowed for root.\n"); retval = -1; goto out; } else { } } else { } if ((unsigned int )STm->defined == 0U && ((int )mtc.mt_op != 24 && ((unsigned int )mtc.mt_count & 4026531840U) == 0U)) { retval = -6; goto out; } else { } if ((unsigned int )STp->pos_unknown == 0U) { if ((unsigned int )STps->eof == 1U) { if (((int )mtc.mt_op == 1 || (int )mtc.mt_op == 11) || (int )mtc.mt_op == 12) { mtc.mt_count = mtc.mt_count + -1; if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } } else if ((int )mtc.mt_op == 2 || (int )mtc.mt_op == 10) { mtc.mt_count = mtc.mt_count + 1; if (STps->drv_file >= 0) { STps->drv_file = STps->drv_file + 1; } else { } } else { } } else { } if ((int )mtc.mt_op == 22) { i = (unsigned int )STp->can_partitions == 0U || STp->new_partition != STp->partition; } else { i = ((((((((((int )mtc.mt_op == 6 || (int )mtc.mt_op == 7) || (int )mtc.mt_op == 9) || (int )mtc.mt_op == 12) || (int )mtc.mt_op == 28) || (int )mtc.mt_op == 30) || (int )mtc.mt_op == 1) || (int )mtc.mt_op == 11) || (int )mtc.mt_op == 2) || (int )mtc.mt_op == 10) || (int )mtc.mt_op == 32; } i = flush_buffer(STp, i); if (i < 0) { retval = i; goto out; } else { } if ((unsigned int )STps->rw == 2U && (((((int )mtc.mt_op == 6 || (int )mtc.mt_op == 7) || (int )mtc.mt_op == 22) || (int )mtc.mt_op == 2) || (int )mtc.mt_op == 10)) { i = st_int_ioctl(STp, 5U, 1UL); if (i < 0) { retval = i; goto out; } else { } if ((int )mtc.mt_op == 2 || (int )mtc.mt_op == 10) { mtc.mt_count = mtc.mt_count + 1; } else { } STps->rw = 0U; } else { } } else { if ((((((int )mtc.mt_op != 6 && (int )mtc.mt_op != 7) && (int )mtc.mt_op != 9) && (int )mtc.mt_op != 13) && (int )mtc.mt_op != 22) && (int )mtc.mt_op != 12) { retval = -5; goto out; } else { } reset_state(STp); (STp->device)->was_reset = 0U; } if ((((((int )mtc.mt_op != 8 && (int )mtc.mt_op != 20) && (int )mtc.mt_op != 21) && (int )mtc.mt_op != 27) && (int )mtc.mt_op != 24) && (int )mtc.mt_op != 33) { STps->rw = 0U; } else { } if ((int )mtc.mt_op == 7 && (unsigned int )STp->door_locked != 0U) { do_door_lock(STp, 0); } else { } if ((int )mtc.mt_op == 24 && ((unsigned int )mtc.mt_count & 4026531840U) != 0U) { retval = st_set_options(STp, (long )mtc.mt_count); goto out; } else { } if ((int )mtc.mt_op == 33) { if (((unsigned int )STp->can_partitions == 0U || mtc.mt_count < 0) || mtc.mt_count > 3) { retval = -22; goto out; } else { } if (mtc.mt_count >= STp->nbr_partitions) { tmp___5 = nbr_partitions(STp); STp->nbr_partitions = tmp___5; if (tmp___5 < 0) { retval = -5; goto out; } else { } } else { } if (mtc.mt_count >= STp->nbr_partitions) { retval = -22; goto out; } else { } STp->new_partition = mtc.mt_count; retval = 0; goto out; } else { } if ((int )mtc.mt_op == 34) { if ((unsigned int )STp->can_partitions == 0U) { retval = -22; goto out; } else { } i = st_int_ioctl(STp, 6U, 0UL); if (i < 0) { retval = i; goto out; } else { i = partition_tape(STp, mtc.mt_count); if (i < 0) { retval = i; goto out; } else { } } i = 0; goto ldv_36080; ldv_36079: STp->ps[i].rw = 0U; STp->ps[i].at_sm = 0U; STp->ps[i].last_block_valid = 0U; i = i + 1; ldv_36080: ; if (i <= 3) { goto ldv_36079; } else { } tmp___6 = 0; STp->new_partition = tmp___6; STp->partition = tmp___6; STp->nbr_partitions = 1; tmp___7 = 0; STps->drv_file = tmp___7; STps->drv_block = tmp___7; retval = 0; goto out; } else { } if ((int )mtc.mt_op == 22) { i = set_location(STp, (unsigned int )mtc.mt_count, STp->new_partition, 0); if ((unsigned int )STp->can_partitions == 0U) { STp->ps[0].rw = 0U; } else { } retval = i; goto out; } else { } if ((int )mtc.mt_op == 31 || (int )mtc.mt_op == 7) { retval = do_load_unload(STp, file, 0); goto out; } else { } if ((int )mtc.mt_op == 30) { _max1 = 1; _max2 = mtc.mt_count; retval = do_load_unload(STp, file, _max1 > _max2 ? _max1 : _max2); goto out; } else { } if ((int )mtc.mt_op == 28 || (int )mtc.mt_op == 29) { retval = do_door_lock(STp, (int )mtc.mt_op == 28); goto out; } else { } if ((unsigned int )STp->can_partitions != 0U && (unsigned int )STp->ready == 0U) { i = switch_partition(STp); if (i < 0) { retval = i; goto out; } else { } } else { } if ((int )mtc.mt_op == 32) { retval = st_compression(STp, mtc.mt_count & 1); } else { retval = st_int_ioctl(STp, (unsigned int )mtc.mt_op, (unsigned long )mtc.mt_count); } goto out; } else { } if ((unsigned int )STm->defined == 0U) { retval = -6; goto out; } else { } i = flush_buffer(STp, 0); if (i < 0) { retval = i; goto out; } else { } if ((unsigned int )STp->can_partitions != 0U) { i = switch_partition(STp); if (i < 0) { retval = i; goto out; } else { } } else { } if (cmd_type == 109 && cmd_nr == 2) { if (((cmd_in >> 16) & 16383U) != 48U) { retval = -22; goto out; } else { } mt_status.mt_type = (long )STp->tape_type; mt_status.mt_dsreg = (long )(((unsigned int )STp->block_size & 16777215U) | (unsigned int )((int )STp->density << 24)); mt_status.mt_blkno = STps->drv_block; mt_status.mt_fileno = STps->drv_file; if (STp->block_size != 0) { if ((unsigned int )STps->rw == 2U) { mt_status.mt_blkno = mt_status.mt_blkno + (STp->buffer)->buffer_bytes / STp->block_size; } else if ((unsigned int )STps->rw == 1U) { mt_status.mt_blkno = mt_status.mt_blkno - (((STp->buffer)->buffer_bytes + STp->block_size) + -1) / STp->block_size; } else { } } else { } mt_status.mt_gstat = 0L; if ((unsigned int )STp->drv_write_prot != 0U) { mt_status.mt_gstat = mt_status.mt_gstat | 67108864L; } else { } if (mt_status.mt_blkno == 0) { if (mt_status.mt_fileno == 0) { mt_status.mt_gstat = mt_status.mt_gstat | 1073741824L; } else { mt_status.mt_gstat = mt_status.mt_gstat | 2147483648L; } } else { } mt_status.mt_erreg = (long )STp->recover_reg; mt_status.mt_resid = (long )STp->partition; if ((unsigned int )STps->eof == 3U || (unsigned int )STps->eof == 4U) { mt_status.mt_gstat = mt_status.mt_gstat | 536870912L; } else if ((unsigned int )STps->eof > 2U) { mt_status.mt_gstat = mt_status.mt_gstat | 134217728L; } else { } if ((unsigned int )STp->density == 1U) { mt_status.mt_gstat = mt_status.mt_gstat | 2097152L; } else if ((unsigned int )STp->density == 2U) { mt_status.mt_gstat = mt_status.mt_gstat | 4194304L; } else if ((unsigned int )STp->density == 3U) { mt_status.mt_gstat = mt_status.mt_gstat | 8388608L; } else { } if ((unsigned int )STp->ready == 0U) { mt_status.mt_gstat = mt_status.mt_gstat | 16777216L; } else { } if ((unsigned int )STp->ready == 2U) { mt_status.mt_gstat = mt_status.mt_gstat | 262144L; } else { } if ((unsigned int )STps->at_sm != 0U) { mt_status.mt_gstat = mt_status.mt_gstat | 268435456L; } else { } if (((unsigned int )STm->do_async_writes != 0U || ((unsigned int )STm->do_buffer_writes != 0U && STp->block_size != 0)) || (unsigned int )STp->drv_buffer != 0U) { mt_status.mt_gstat = mt_status.mt_gstat | 65536L; } else { } if ((unsigned int )STp->cleaning_req != 0U) { mt_status.mt_gstat = mt_status.mt_gstat | 32768L; } else { } tmp___8 = copy_to_user(p, (void const *)(& mt_status), 48UL); i = (int )tmp___8; if (i != 0) { retval = -14; goto out; } else { } STp->recover_reg = 0; retval = 0; goto out; } else { } if (cmd_type == 109 && cmd_nr == 3) { if (((cmd_in >> 16) & 16383U) != 8U) { retval = -22; goto out; } else { } i = get_location(STp, & blk, & bt, 0); if (i < 0) { retval = i; goto out; } else { } mt_pos.mt_blkno = (long )blk; tmp___9 = copy_to_user(p, (void const *)(& mt_pos), 8UL); i = (int )tmp___9; if (i != 0) { retval = -14; } else { } goto out; } else { } mutex_unlock(& STp->lock); switch (cmd_in) { case 21378U: ; case 21382U: ; goto ldv_36089; default: ; if ((cmd_in == 8837U || cmd_in == 1U) || cmd_in == 21395U) { tmp___10 = capable(17); if (tmp___10) { tmp___11 = 0; } else { tmp___11 = 1; } if (tmp___11) { i = -1; } else { i = scsi_cmd_ioctl((STp->disk)->queue, STp->disk, file->f_mode, cmd_in, p); } } else { i = scsi_cmd_ioctl((STp->disk)->queue, STp->disk, file->f_mode, cmd_in, p); } if (i != -25) { return ((long )i); } else { } goto ldv_36089; } ldv_36089: retval = scsi_ioctl(STp->device, (int )cmd_in, p); if (retval == 0 && cmd_in == 6U) { STp->rew_at_close = 0U; STp->ready = 2U; } else { } return ((long )retval); out: mutex_unlock(& STp->lock); return ((long )retval); } } static long st_compat_ioctl(struct file *file , unsigned int cmd , unsigned long arg ) { struct scsi_tape *STp ; struct scsi_device *sdev ; int ret ; { STp = (struct scsi_tape *)file->private_data; sdev = STp->device; ret = -515; if ((unsigned long )((sdev->host)->hostt)->compat_ioctl != (unsigned long )((int (*)(struct scsi_device * , int , void * ))0)) { ret = (*(((sdev->host)->hostt)->compat_ioctl))(sdev, (int )cmd, (void *)arg); } else { } return ((long )ret); } } static struct st_buffer *new_tape_buffer(int need_dma , int max_sg ) { struct st_buffer *tb ; void *tmp ; void *tmp___0 ; { tmp = kzalloc(152UL, 32U); tb = (struct st_buffer *)tmp; if ((unsigned long )tb == (unsigned long )((struct st_buffer *)0)) { printk("\rst: Can\'t allocate new tape buffer.\n"); return ((struct st_buffer *)0); } else { } tb->frp_segs = 0U; tb->use_sg = (unsigned short )max_sg; tb->dma = (unsigned char )need_dma; tb->buffer_size = 0; tmp___0 = kzalloc((unsigned long )max_sg * 8UL, 32U); tb->reserved_pages = (struct page **)tmp___0; if ((unsigned long )tb->reserved_pages == (unsigned long )((struct page **)0)) { kfree((void const *)tb); return ((struct st_buffer *)0); } else { } return (tb); } } static int enlarge_buffer(struct st_buffer *STbuffer , int new_size , int need_dma ) { int segs ; int max_segs ; int b_size ; int order ; int got ; gfp_t priority ; int tmp ; struct page *page ; void *tmp___0 ; { if (STbuffer->buffer_size >= new_size) { return (1); } else { } if ((unsigned int )STbuffer->buffer_size <= 4096U) { normalize_buffer(STbuffer); } else { } max_segs = (int )STbuffer->use_sg; priority = 720U; if (need_dma != 0) { priority = priority | 1U; } else { } if ((unsigned int )STbuffer->cleared != 0U) { priority = priority | 32768U; } else { } if ((unsigned int )STbuffer->frp_segs != 0U) { order = STbuffer->reserved_page_order; b_size = (int )(4096UL << order); } else { b_size = 4096; order = 0; goto ldv_36116; ldv_36115: order = order + 1; b_size = b_size * 2; ldv_36116: ; if (order <= 5 && (unsigned long )max_segs * (4096UL << order) < (unsigned long )new_size) { goto ldv_36115; } else { } STbuffer->reserved_page_order = order; } if ((unsigned long )max_segs * (4096UL << order) < (unsigned long )new_size) { if (order == 6) { return (0); } else { } normalize_buffer(STbuffer); tmp = enlarge_buffer(STbuffer, new_size, need_dma); return (tmp); } else { } segs = (int )STbuffer->frp_segs; got = STbuffer->buffer_size; goto ldv_36120; ldv_36119: page = alloc_pages(priority, (unsigned int )order); if ((unsigned long )page == (unsigned long )((struct page *)0)) { STbuffer->buffer_size = got; normalize_buffer(STbuffer); return (0); } else { } STbuffer->frp_segs = (unsigned int )STbuffer->frp_segs + 1U; got = got + b_size; STbuffer->buffer_size = got; *(STbuffer->reserved_pages + (unsigned long )segs) = page; segs = segs + 1; ldv_36120: ; if (segs < max_segs && got < new_size) { goto ldv_36119; } else { } tmp___0 = lowmem_page_address((struct page const *)*(STbuffer->reserved_pages)); STbuffer->b_data = (unsigned char *)tmp___0; return (1); } } static void clear_buffer(struct st_buffer *st_bp ) { int i ; void *tmp ; { i = 0; goto ldv_36127; ldv_36126: tmp = lowmem_page_address((struct page const *)*(st_bp->reserved_pages + (unsigned long )i)); memset(tmp, 0, 4096UL << st_bp->reserved_page_order); i = i + 1; ldv_36127: ; if ((int )st_bp->frp_segs > i) { goto ldv_36126; } else { } st_bp->cleared = 1U; return; } } static void normalize_buffer(struct st_buffer *STbuffer ) { int i ; int order ; { order = STbuffer->reserved_page_order; i = 0; goto ldv_36135; ldv_36134: __free_pages(*(STbuffer->reserved_pages + (unsigned long )i), (unsigned int )order); STbuffer->buffer_size = (int )((unsigned int )STbuffer->buffer_size - (unsigned int )(4096UL << order)); i = i + 1; ldv_36135: ; if ((int )STbuffer->frp_segs > i) { goto ldv_36134; } else { } STbuffer->frp_segs = 0U; STbuffer->sg_segs = 0U; STbuffer->reserved_page_order = 0; STbuffer->map_data.offset = 0UL; return; } } static int append_to_buffer(char const *ubp , struct st_buffer *st_bp , int do_count ) { int i ; int cnt ; int res ; int offset ; int length ; struct page *page ; void *tmp ; unsigned long tmp___0 ; { length = (int )(4096UL << st_bp->reserved_page_order); i = 0; offset = st_bp->buffer_bytes; goto ldv_36148; ldv_36147: offset = offset - length; i = i + 1; ldv_36148: ; if ((int )st_bp->frp_segs > i && offset >= length) { goto ldv_36147; } else { } if ((int )st_bp->frp_segs == i) { printk("\fst: append_to_buffer offset overflow.\n"); return (-5); } else { } goto ldv_36152; ldv_36151: page = *(st_bp->reserved_pages + (unsigned long )i); cnt = do_count < length - offset ? do_count : length - offset; tmp = lowmem_page_address((struct page const *)page); tmp___0 = copy_from_user(tmp + (unsigned long )offset, (void const *)ubp, (unsigned long )cnt); res = (int )tmp___0; if (res != 0) { return (-14); } else { } do_count = do_count - cnt; st_bp->buffer_bytes = st_bp->buffer_bytes + cnt; ubp = ubp + (unsigned long )cnt; offset = 0; i = i + 1; ldv_36152: ; if ((int )st_bp->frp_segs > i && do_count > 0) { goto ldv_36151; } else { } if (do_count != 0) { return (-5); } else { } return (0); } } static int from_buffer(struct st_buffer *st_bp , char *ubp , int do_count ) { int i ; int cnt ; int res ; int offset ; int length ; struct page *page ; void *tmp ; unsigned long tmp___0 ; { length = (int )(4096UL << st_bp->reserved_page_order); i = 0; offset = st_bp->read_pointer; goto ldv_36165; ldv_36164: offset = offset - length; i = i + 1; ldv_36165: ; if ((int )st_bp->frp_segs > i && offset >= length) { goto ldv_36164; } else { } if ((int )st_bp->frp_segs == i) { printk("\fst: from_buffer offset overflow.\n"); return (-5); } else { } goto ldv_36169; ldv_36168: page = *(st_bp->reserved_pages + (unsigned long )i); cnt = do_count < length - offset ? do_count : length - offset; tmp = lowmem_page_address((struct page const *)page); tmp___0 = copy_to_user((void *)ubp, (void const *)tmp + (unsigned long )offset, (unsigned long )cnt); res = (int )tmp___0; if (res != 0) { return (-14); } else { } do_count = do_count - cnt; st_bp->buffer_bytes = st_bp->buffer_bytes - cnt; st_bp->read_pointer = st_bp->read_pointer + cnt; ubp = ubp + (unsigned long )cnt; offset = 0; i = i + 1; ldv_36169: ; if ((int )st_bp->frp_segs > i && do_count > 0) { goto ldv_36168; } else { } if (do_count != 0) { return (-5); } else { } return (0); } } static void move_buffer_data(struct st_buffer *st_bp , int offset ) { int src_seg ; int dst_seg ; int src_offset ; int dst_offset ; int count ; int total ; int length ; int tmp ; struct page *dpage ; struct page *spage ; int _min1 ; int _min2 ; void *tmp___0 ; void *tmp___1 ; { src_offset = 0; length = (int )(4096UL << st_bp->reserved_page_order); if (offset == 0) { return; } else { } total = st_bp->buffer_bytes - offset; src_seg = 0; goto ldv_36184; ldv_36183: src_offset = offset; if (src_offset < length) { goto ldv_36182; } else { } offset = offset - length; src_seg = src_seg + 1; ldv_36184: ; if ((int )st_bp->frp_segs > src_seg) { goto ldv_36183; } else { } ldv_36182: tmp = total; st_bp->read_pointer = tmp; st_bp->buffer_bytes = tmp; dst_offset = 0; dst_seg = dst_offset; goto ldv_36191; ldv_36190: dpage = *(st_bp->reserved_pages + (unsigned long )dst_seg); spage = *(st_bp->reserved_pages + (unsigned long )src_seg); _min1 = length - dst_offset; _min2 = length - src_offset; count = _min1 < _min2 ? _min1 : _min2; tmp___0 = lowmem_page_address((struct page const *)spage); tmp___1 = lowmem_page_address((struct page const *)dpage); __memmove(tmp___1 + (unsigned long )dst_offset, (void const *)tmp___0 + (unsigned long )src_offset, (size_t )count); src_offset = src_offset + count; if (src_offset >= length) { src_seg = src_seg + 1; src_offset = 0; } else { } dst_offset = dst_offset + count; if (dst_offset >= length) { dst_seg = dst_seg + 1; dst_offset = 0; } else { } total = total - count; ldv_36191: ; if (total > 0) { goto ldv_36190; } else { } return; } } static void validate_options(void) { { if (buffer_kbs > 0) { st_fixed_buffer_size = buffer_kbs * 1024; } else { } if (max_sg_segs > 7) { st_max_sg_segs = max_sg_segs; } else { } return; } } static struct file_operations const st_fops = {& __this_module, & noop_llseek, & st_read, & st_write, 0, 0, 0, 0, & st_ioctl, & st_compat_ioctl, 0, 0, & st_open, & st_flush, & st_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; static int create_one_cdev(struct scsi_tape *tape , int mode , int rew ) { int i ; int error ; dev_t cdev_devno ; struct cdev *cdev ; struct device *dev ; struct st_modedef *STm ; char name[10U] ; int dev_num ; long tmp ; bool tmp___0 ; { STm = (struct st_modedef *)(& tape->modes) + (unsigned long )mode; dev_num = tape->index; cdev_devno = (dev_t )((((((dev_num & -32) << 3) | (dev_num & 31)) | (mode << 5)) | (rew != 0 ? 128 : 0)) | 9437184); cdev = cdev_alloc(); if ((unsigned long )cdev == (unsigned long )((struct cdev *)0)) { printk("\vst%d: out of memory. Device not attached.\n", dev_num); error = -12; goto out; } else { } cdev->owner = & __this_module; cdev->ops = & st_fops; error = cdev_add(cdev, cdev_devno, 1U); if (error != 0) { printk("\vst%d: Can\'t add %s-rewind mode %d\n", dev_num, rew != 0 ? (char *)"non" : (char *)"auto", mode); printk("\vst%d: Device not attached.\n", dev_num); goto out_free; } else { } STm->cdevs[rew] = cdev; i = mode << 2; snprintf((char *)(& name), 10UL, "%s%s%s", rew != 0 ? (char *)"n" : (char *)"", (char *)(& (tape->disk)->disk_name), st_formats[i]); dev = device_create(& st_sysfs_class, & (tape->device)->sdev_gendev, cdev_devno, (void *)(& tape->modes) + (unsigned long )mode, "%s", (char *)(& name)); tmp___0 = IS_ERR((void const *)dev); if ((int )tmp___0) { printk("\vst%d: device_create failed\n", dev_num); tmp = PTR_ERR((void const *)dev); error = (int )tmp; goto out_free; } else { } STm->devs[rew] = dev; return (0); out_free: cdev_del(STm->cdevs[rew]); STm->cdevs[rew] = (struct cdev *)0; out: ; return (error); } } static int create_cdevs(struct scsi_tape *tape ) { int mode ; int error ; int tmp ; { mode = 0; goto ldv_36218; ldv_36217: error = create_one_cdev(tape, mode, 0); if (error != 0) { return (error); } else { } error = create_one_cdev(tape, mode, 1); if (error != 0) { return (error); } else { } mode = mode + 1; ldv_36218: ; if (mode <= 3) { goto ldv_36217; } else { } tmp = sysfs_create_link(& (tape->device)->sdev_gendev.kobj, & (tape->modes[0].devs[0])->kobj, "tape"); return (tmp); } } static void remove_cdevs(struct scsi_tape *tape ) { int mode ; int rew ; struct st_modedef *STm ; { sysfs_remove_link(& (tape->device)->sdev_gendev.kobj, "tape"); mode = 0; goto ldv_36230; ldv_36229: STm = (struct st_modedef *)(& tape->modes) + (unsigned long )mode; rew = 0; goto ldv_36227; ldv_36226: ; if ((unsigned long )STm->cdevs[rew] != (unsigned long )((struct cdev *)0)) { cdev_del(STm->cdevs[rew]); } else { } if ((unsigned long )STm->devs[rew] != (unsigned long )((struct device *)0)) { device_unregister(STm->devs[rew]); } else { } rew = rew + 1; ldv_36227: ; if (rew <= 1) { goto ldv_36226; } else { } mode = mode + 1; ldv_36230: ; if (mode <= 3) { goto ldv_36229; } else { } return; } } static int st_probe(struct device *dev ) { struct scsi_device *SDp ; struct device const *__mptr ; struct gendisk *disk ; struct scsi_tape *tpnt ; struct st_modedef *STm ; struct st_partstat *STps ; struct st_buffer *buffer ; int i ; int error ; char *stp ; unsigned short tmp ; void *tmp___0 ; bool tmp___1 ; int tmp___2 ; unsigned char tmp___3 ; unsigned char tmp___4 ; struct lock_class_key __key ; void *tmp___5 ; char *tmp___6 ; int tmp___7 ; char *tmp___8 ; { __mptr = (struct device const *)dev; SDp = (struct scsi_device *)__mptr + 0xfffffffffffffe28UL; disk = (struct gendisk *)0; tpnt = (struct scsi_tape *)0; if ((int )((signed char )SDp->type) != 1) { return (-19); } else { } stp = st_incompatible(SDp); if ((unsigned long )stp != (unsigned long )((char *)0)) { sdev_prefix_printk("\016", (struct scsi_device const *)SDp, (char const *)0, "Found incompatible tape\n"); sdev_prefix_printk("\016", (struct scsi_device const *)SDp, (char const *)0, "st: The suggested driver is %s.\n", stp); return (-19); } else { } scsi_autopm_get_device(SDp); tmp = queue_max_segments(SDp->request_queue); i = (int )tmp; if (st_max_sg_segs < i) { i = st_max_sg_segs; } else { } buffer = new_tape_buffer((int )(SDp->host)->unchecked_isa_dma, i); if ((unsigned long )buffer == (unsigned long )((struct st_buffer *)0)) { sdev_prefix_printk("\v", (struct scsi_device const *)SDp, (char const *)0, "st: Can\'t allocate new tape buffer. Device not attached.\n"); goto out; } else { } disk = alloc_disk(1); if ((unsigned long )disk == (unsigned long )((struct gendisk *)0)) { sdev_prefix_printk("\v", (struct scsi_device const *)SDp, (char const *)0, "st: out of memory. Device not attached.\n"); goto out_buffer_free; } else { } tmp___0 = kzalloc(736UL, 32U); tpnt = (struct scsi_tape *)tmp___0; if ((unsigned long )tpnt == (unsigned long )((struct scsi_tape *)0)) { sdev_prefix_printk("\v", (struct scsi_device const *)SDp, (char const *)0, "st: Can\'t allocate device descriptor.\n"); goto out_put_disk; } else { } kref_init(& tpnt->kref); tpnt->disk = disk; disk->private_data = (void *)(& tpnt->driver); disk->queue = SDp->request_queue; tmp___1 = blk_get_queue(disk->queue); if (tmp___1) { tmp___2 = 0; } else { tmp___2 = 1; } if (tmp___2) { goto out_put_disk; } else { } tpnt->driver = & st_template; tpnt->device = SDp; if ((int )((signed char )SDp->scsi_level) <= 2) { tpnt->tape_type = 113; } else { tpnt->tape_type = 114; } tpnt->buffer = buffer; (tpnt->buffer)->last_SRpnt = (struct st_request *)0; tpnt->inited = 0U; tpnt->dirty = 0U; tpnt->in_use = 0U; tpnt->drv_buffer = 1U; tpnt->restr_dma = (SDp->host)->unchecked_isa_dma; tpnt->use_pf = (int )((signed char )SDp->scsi_level) > 2; tpnt->density = 0U; tpnt->do_auto_lock = 0U; tpnt->can_bsr = (int )((signed char )SDp->scsi_level) > 2; tpnt->can_partitions = 0U; tpnt->two_fm = 0U; tpnt->fast_mteom = 0U; tpnt->scsi2_logical = 0U; tpnt->sili = 0U; tpnt->immediate = 0U; tpnt->immediate_filemark = 0U; tpnt->default_drvbuffer = 255U; tpnt->partition = 0; tpnt->new_partition = 0; tpnt->nbr_partitions = 0; blk_queue_rq_timeout((tpnt->device)->request_queue, 225000U); tpnt->long_timeout = 3500000; tpnt->try_dio = (unsigned char )(try_direct_io != 0 && (unsigned int )*((unsigned char *)SDp->host + 856UL) == 0U); i = 0; goto ldv_36250; ldv_36249: STm = (struct st_modedef *)(& tpnt->modes) + (unsigned long )i; STm->defined = 0U; STm->sysv = 0U; STm->defaults_for_writes = 0U; STm->do_async_writes = 1U; STm->do_buffer_writes = 1U; STm->do_read_ahead = 1U; STm->default_compression = 0U; STm->default_blksize = -1; STm->default_density = -1; STm->tape = tpnt; i = i + 1; ldv_36250: ; if (i <= 3) { goto ldv_36249; } else { } i = 0; goto ldv_36253; ldv_36252: STps = (struct st_partstat *)(& tpnt->ps) + (unsigned long )i; STps->rw = 0U; STps->eof = 0U; STps->at_sm = 0U; STps->last_block_valid = 0U; STps->drv_block = -1; STps->drv_file = -1; i = i + 1; ldv_36253: ; if (i <= 3) { goto ldv_36252; } else { } tpnt->current_mode = 0; tpnt->modes[0].defined = 1U; tmp___4 = 0U; tpnt->blksize_changed = tmp___4; tmp___3 = tmp___4; tpnt->compression_changed = tmp___3; tpnt->density_changed = tmp___3; __mutex_init(& tpnt->lock, "&tpnt->lock", & __key); idr_preload(208U); spin_lock(& st_index_lock); error = idr_alloc(& st_index_idr, (void *)tpnt, 0, 131073, 0U); spin_unlock(& st_index_lock); idr_preload_end(); if (error < 0) { printk("\fst: idr allocation failed: %d\n", error); goto out_put_queue; } else { } tpnt->index = error; sprintf((char *)(& disk->disk_name), "st%d", tpnt->index); tmp___5 = kzalloc(112UL, 208U); tpnt->stats = (struct scsi_tape_stats *)tmp___5; if ((unsigned long )tpnt->stats == (unsigned long )((struct scsi_tape_stats *)0)) { sdev_prefix_printk("\v", (struct scsi_device const *)SDp, (char const *)0, "st: Can\'t allocate statistics.\n"); goto out_idr_remove; } else { } dev_set_drvdata(dev, (void *)tpnt); error = create_cdevs(tpnt); if (error != 0) { goto out_remove_devs; } else { } scsi_autopm_put_device(SDp); tmp___6 = tape_name(tpnt); sdev_prefix_printk("\r", (struct scsi_device const *)SDp, (char const *)0, "Attached scsi tape %s\n", tmp___6); tmp___7 = queue_dma_alignment(SDp->request_queue); tmp___8 = tape_name(tpnt); sdev_prefix_printk("\016", (struct scsi_device const *)SDp, (char const *)0, "%s: try direct i/o: %s (alignment %d B)\n", tmp___8, (unsigned int )tpnt->try_dio != 0U ? (char *)"yes" : (char *)"no", tmp___7 + 1); return (0); out_remove_devs: remove_cdevs(tpnt); kfree((void const *)tpnt->stats); out_idr_remove: spin_lock(& st_index_lock); idr_remove(& st_index_idr, tpnt->index); spin_unlock(& st_index_lock); out_put_queue: blk_put_queue(disk->queue); out_put_disk: put_disk(disk); kfree((void const *)tpnt); out_buffer_free: kfree((void const *)buffer); out: scsi_autopm_put_device(SDp); return (-19); } } static int st_remove(struct device *dev ) { struct scsi_tape *tpnt ; void *tmp ; int index ; struct device const *__mptr ; { tmp = dev_get_drvdata((struct device const *)dev); tpnt = (struct scsi_tape *)tmp; index = tpnt->index; __mptr = (struct device const *)dev; scsi_autopm_get_device((struct scsi_device *)__mptr + 0xfffffffffffffe28UL); remove_cdevs(tpnt); mutex_lock_nested(& st_ref_mutex, 0U); kref_put(& tpnt->kref, & scsi_tape_release); mutex_unlock(& st_ref_mutex); spin_lock(& st_index_lock); idr_remove(& st_index_idr, index); spin_unlock(& st_index_lock); return (0); } } static void scsi_tape_release(struct kref *kref ) { struct scsi_tape *tpnt ; struct kref const *__mptr ; struct gendisk *disk ; { __mptr = (struct kref const *)kref; tpnt = (struct scsi_tape *)__mptr + 0xfffffffffffffd30UL; disk = tpnt->disk; tpnt->device = (struct scsi_device *)0; if ((unsigned long )tpnt->buffer != (unsigned long )((struct st_buffer *)0)) { normalize_buffer(tpnt->buffer); kfree((void const *)(tpnt->buffer)->reserved_pages); kfree((void const *)tpnt->buffer); } else { } disk->private_data = (void *)0; put_disk(disk); kfree((void const *)tpnt->stats); kfree((void const *)tpnt); return; } } static struct class st_sysfs_class = {"scsi_tape", 0, 0, (struct attribute_group const **)(& st_dev_groups), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; static int init_st(void) { int err ; struct lock_class_key __key ; int tmp ; { validate_options(); printk("\016st: Version %s, fixed bufsize %d, s/g segs %d\n", verstr, st_fixed_buffer_size, st_max_sg_segs); debugging = 0 > debug_flag ? 0 : debug_flag; if (debugging != 0) { printk("\016st: Debugging enabled debug_flag = %d\n", debugging); } else { } tmp = __class_register(& st_sysfs_class, & __key); err = tmp; if (err != 0) { printk("\vUnable register sysfs class for SCSI tapes\n"); return (err); } else { } err = register_chrdev_region(9437184U, 1048576U, "st"); if (err != 0) { printk("\vUnable to get major %d for SCSI tapes\n", 9); goto err_class; } else { } err = scsi_register_driver(& st_template.gendrv); if (err != 0) { goto err_chrdev; } else { } err = do_create_sysfs_files(); if (err != 0) { goto err_scsidrv; } else { } return (0); err_scsidrv: driver_unregister(& st_template.gendrv); err_chrdev: unregister_chrdev_region(9437184U, 1048576U); err_class: class_unregister(& st_sysfs_class); return (err); } } static void exit_st(void) { { do_remove_sysfs_files(); driver_unregister(& st_template.gendrv); unregister_chrdev_region(9437184U, 1048576U); class_unregister(& st_sysfs_class); printk("\016st: Unloaded.\n"); return; } } static ssize_t st_try_direct_io_show(struct device_driver *ddp , char *buf ) { int tmp ; { tmp = snprintf(buf, 4096UL, "%d\n", try_direct_io); return ((ssize_t )tmp); } } static struct driver_attribute driver_attr_try_direct_io = {{"try_direct_io", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & st_try_direct_io_show, (ssize_t (*)(struct device_driver * , char const * , size_t ))0}; static ssize_t st_fixed_buffer_size_show(struct device_driver *ddp , char *buf ) { int tmp ; { tmp = snprintf(buf, 4096UL, "%d\n", st_fixed_buffer_size); return ((ssize_t )tmp); } } static struct driver_attribute driver_attr_fixed_buffer_size = {{"fixed_buffer_size", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & st_fixed_buffer_size_show, (ssize_t (*)(struct device_driver * , char const * , size_t ))0}; static ssize_t st_max_sg_segs_show(struct device_driver *ddp , char *buf ) { int tmp ; { tmp = snprintf(buf, 4096UL, "%d\n", st_max_sg_segs); return ((ssize_t )tmp); } } static struct driver_attribute driver_attr_max_sg_segs = {{"max_sg_segs", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & st_max_sg_segs_show, (ssize_t (*)(struct device_driver * , char const * , size_t ))0}; static ssize_t st_version_show(struct device_driver *ddd , char *buf ) { int tmp ; { tmp = snprintf(buf, 4096UL, "[%s]\n", verstr); return ((ssize_t )tmp); } } static struct driver_attribute driver_attr_version = {{"version", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & st_version_show, (ssize_t (*)(struct device_driver * , char const * , size_t ))0}; static int do_create_sysfs_files(void) { struct device_driver *sysfs ; int err ; { sysfs = & st_template.gendrv; err = driver_create_file(sysfs, (struct driver_attribute const *)(& driver_attr_try_direct_io)); if (err != 0) { return (err); } else { } err = driver_create_file(sysfs, (struct driver_attribute const *)(& driver_attr_fixed_buffer_size)); if (err != 0) { goto err_try_direct_io; } else { } err = driver_create_file(sysfs, (struct driver_attribute const *)(& driver_attr_max_sg_segs)); if (err != 0) { goto err_attr_fixed_buf; } else { } err = driver_create_file(sysfs, (struct driver_attribute const *)(& driver_attr_version)); if (err != 0) { goto err_attr_max_sg; } else { } return (0); err_attr_max_sg: driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_max_sg_segs)); err_attr_fixed_buf: driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_fixed_buffer_size)); err_try_direct_io: driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_try_direct_io)); return (err); } } static void do_remove_sysfs_files(void) { struct device_driver *sysfs ; { sysfs = & st_template.gendrv; driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_version)); driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_max_sg_segs)); driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_fixed_buffer_size)); driver_remove_file(sysfs, (struct driver_attribute const *)(& driver_attr_try_direct_io)); return; } } static ssize_t defined_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; ssize_t l ; int tmp___0 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; l = 0L; tmp___0 = snprintf(buf, 4096UL, "%d\n", (int )STm->defined); l = (ssize_t )tmp___0; return (l); } } static struct device_attribute dev_attr_defined = {{"defined", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & defined_show, 0}; static ssize_t default_blksize_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; ssize_t l ; int tmp___0 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; l = 0L; tmp___0 = snprintf(buf, 4096UL, "%d\n", STm->default_blksize); l = (ssize_t )tmp___0; return (l); } } static struct device_attribute dev_attr_default_blksize = {{"default_blksize", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & default_blksize_show, 0}; static ssize_t default_density_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; ssize_t l ; char *fmt ; int tmp___0 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; l = 0L; fmt = (int )STm->default_density >= 0 ? (char *)"0x%02x\n" : (char *)"%d\n"; tmp___0 = snprintf(buf, 4096UL, (char const *)fmt, (int )STm->default_density); l = (ssize_t )tmp___0; return (l); } } static struct device_attribute dev_attr_default_density = {{"default_density", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & default_density_show, 0}; static ssize_t default_compression_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; ssize_t l ; int tmp___0 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; l = 0L; tmp___0 = snprintf(buf, 4096UL, "%d\n", (int )STm->default_compression + -1); l = (ssize_t )tmp___0; return (l); } } static struct device_attribute dev_attr_default_compression = {{"default_compression", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & default_compression_show, 0}; static ssize_t options_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; struct scsi_tape *STp ; int options ; ssize_t l ; int tmp___0 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; STp = STm->tape; l = 0L; options = (unsigned int )STm->do_buffer_writes != 0U; options = ((unsigned int )STm->do_async_writes != 0U ? 2 : 0) | options; options = ((unsigned int )STm->do_read_ahead != 0U ? 4 : 0) | options; options = (debugging != 0 ? 8 : 0) | options; options = ((unsigned int )STp->two_fm != 0U ? 16 : 0) | options; options = ((unsigned int )STp->fast_mteom != 0U ? 32 : 0) | options; options = ((unsigned int )STm->defaults_for_writes != 0U ? 128 : 0) | options; options = ((unsigned int )STp->can_bsr != 0U ? 256 : 0) | options; options = ((unsigned int )STp->omit_blklims != 0U ? 512 : 0) | options; options = ((unsigned int )STp->can_partitions != 0U ? 1024 : 0) | options; options = ((unsigned int )STp->scsi2_logical != 0U ? 2048 : 0) | options; options = ((unsigned int )STm->sysv != 0U ? 4096 : 0) | options; options = ((unsigned int )STp->immediate != 0U ? 8192 : 0) | options; options = ((unsigned int )STp->immediate_filemark != 0U ? 32768 : 0) | options; options = ((unsigned int )STp->sili != 0U ? 16384 : 0) | options; tmp___0 = snprintf(buf, 4096UL, "0x%08x\n", options); l = (ssize_t )tmp___0; return (l); } } static struct device_attribute dev_attr_options = {{"options", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & options_show, 0}; static ssize_t read_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->read_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_read_cnt = {{"read_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & read_cnt_show, 0}; static ssize_t read_byte_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->read_byte_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_read_byte_cnt = {{"read_byte_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & read_byte_cnt_show, 0}; static ssize_t read_ns_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->tot_read_time)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_read_ns = {{"read_ns", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & read_ns_show, 0}; static ssize_t write_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->write_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_write_cnt = {{"write_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & write_cnt_show, 0}; static ssize_t write_byte_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->write_byte_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_write_byte_cnt = {{"write_byte_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & write_byte_cnt_show, 0}; static ssize_t write_ns_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->tot_write_time)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_write_ns = {{"write_ns", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & write_ns_show, 0}; static ssize_t in_flight_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->in_flight)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_in_flight = {{"in_flight", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & in_flight_show, 0}; static ssize_t io_ns_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->tot_io_time)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_io_ns = {{"io_ns", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & io_ns_show, 0}; static ssize_t other_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->other_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_other_cnt = {{"other_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & other_cnt_show, 0}; static ssize_t resid_cnt_show(struct device *dev , struct device_attribute *attr , char *buf ) { struct st_modedef *STm ; void *tmp ; long tmp___0 ; int tmp___1 ; { tmp = dev_get_drvdata((struct device const *)dev); STm = (struct st_modedef *)tmp; tmp___0 = atomic64_read((atomic64_t const *)(& ((STm->tape)->stats)->resid_cnt)); tmp___1 = sprintf(buf, "%lld", (long long )tmp___0); return ((ssize_t )tmp___1); } } static struct device_attribute dev_attr_resid_cnt = {{"resid_cnt", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & resid_cnt_show, 0}; static struct attribute *st_dev_attrs[6U] = { & dev_attr_defined.attr, & dev_attr_default_blksize.attr, & dev_attr_default_density.attr, & dev_attr_default_compression.attr, & dev_attr_options.attr, (struct attribute *)0}; static struct attribute *st_stats_attrs[11U] = { & dev_attr_read_cnt.attr, & dev_attr_read_byte_cnt.attr, & dev_attr_read_ns.attr, & dev_attr_write_cnt.attr, & dev_attr_write_byte_cnt.attr, & dev_attr_write_ns.attr, & dev_attr_in_flight.attr, & dev_attr_io_ns.attr, & dev_attr_other_cnt.attr, & dev_attr_resid_cnt.attr, (struct attribute *)0}; static struct attribute_group stats_group = {"stats", 0, (struct attribute **)(& st_stats_attrs), 0}; static struct attribute_group st_group = {0, 0, (struct attribute **)(& st_dev_attrs), 0}; static struct attribute_group const *st_dev_groups[3U] = { (struct attribute_group const *)(& st_group), (struct attribute_group const *)(& stats_group), (struct attribute_group const *)0}; static int sgl_map_user_pages(struct st_buffer *STbp , unsigned int const max_pages , unsigned long uaddr , size_t count , int rw ) { unsigned long end ; unsigned long start ; int nr_pages ; int res ; int i ; int j ; struct page **pages ; struct rq_map_data *mdata ; void *tmp ; struct task_struct *tmp___0 ; struct task_struct *tmp___1 ; long tmp___2 ; { end = ((uaddr + count) + 4095UL) >> 12; start = uaddr >> 12; nr_pages = (int const )((unsigned int )end - (unsigned int )start); mdata = & STbp->map_data; if (uaddr + count < uaddr) { return (-22); } else { } if ((unsigned int )nr_pages > (unsigned int )max_pages) { return (-12); } else { } if (count == 0UL) { return (0); } else { } tmp = kmalloc((unsigned long )max_pages * 8UL, 208U); pages = (struct page **)tmp; if ((unsigned long )pages == (unsigned long )((struct page **)0)) { return (-12); } else { } tmp___0 = get_current(); tmp___1 = get_current(); tmp___2 = get_user_pages_unlocked(tmp___1, tmp___0->mm, uaddr, (unsigned long )nr_pages, rw == 0, 0, pages); res = (int )tmp___2; if (res < nr_pages) { goto out_unmap; } else { } i = 0; goto ldv_36511; ldv_36510: i = i + 1; ldv_36511: ; if (i < nr_pages) { goto ldv_36510; } else { } mdata->offset = uaddr & 4095UL; STbp->mapped_pages = pages; return (nr_pages); out_unmap: ; if (res > 0) { j = 0; goto ldv_36514; ldv_36513: put_page(*(pages + (unsigned long )j)); j = j + 1; ldv_36514: ; if (j < res) { goto ldv_36513; } else { } res = 0; } else { } kfree((void const *)pages); return (res); } } static int sgl_unmap_user_pages(struct st_buffer *STbp , unsigned int const nr_pages , int dirtied ) { int i ; struct page *page ; { i = 0; goto ldv_36524; ldv_36523: page = *(STbp->mapped_pages + (unsigned long )i); if (dirtied != 0) { SetPageDirty(page); } else { } put_page(page); i = i + 1; ldv_36524: ; if ((unsigned int )i < (unsigned int )nr_pages) { goto ldv_36523; } else { } kfree((void const *)STbp->mapped_pages); STbp->mapped_pages = (struct page **)0; return (0); } } int ldv_retval_0 ; int ldv_retval_1 ; extern void ldv_initialize(void) ; void ldv_check_final_state(void) ; int ldv_retval_2 ; void ldv_file_operations_20(void) { void *tmp ; void *tmp___0 ; { tmp = ldv_init_zalloc(1000UL); st_fops_group1 = (struct inode *)tmp; tmp___0 = ldv_init_zalloc(504UL); st_fops_group2 = (struct file *)tmp___0; return; } } void ldv_initialize_scsi_driver_21(void) { void *tmp ; { tmp = ldv_init_zalloc(1416UL); st_template_group0 = (struct device *)tmp; return; } } int main(void) { char *ldvarg1 ; void *tmp ; struct device *ldvarg0 ; void *tmp___0 ; struct device_attribute *ldvarg2 ; void *tmp___1 ; char *ldvarg4 ; void *tmp___2 ; struct device *ldvarg3 ; void *tmp___3 ; struct device_attribute *ldvarg5 ; void *tmp___4 ; char *ldvarg7 ; void *tmp___5 ; struct device_driver *ldvarg6 ; void *tmp___6 ; struct device *ldvarg8 ; void *tmp___7 ; struct device_attribute *ldvarg10 ; void *tmp___8 ; char *ldvarg9 ; void *tmp___9 ; struct device *ldvarg11 ; void *tmp___10 ; struct device_attribute *ldvarg13 ; void *tmp___11 ; char *ldvarg12 ; void *tmp___12 ; struct device_driver *ldvarg14 ; void *tmp___13 ; char *ldvarg15 ; void *tmp___14 ; char *ldvarg17 ; void *tmp___15 ; struct device_driver *ldvarg16 ; void *tmp___16 ; struct device *ldvarg18 ; void *tmp___17 ; struct device_attribute *ldvarg20 ; void *tmp___18 ; char *ldvarg19 ; void *tmp___19 ; struct device *ldvarg21 ; void *tmp___20 ; struct device_attribute *ldvarg23 ; void *tmp___21 ; char *ldvarg22 ; void *tmp___22 ; struct device *ldvarg24 ; void *tmp___23 ; struct device_attribute *ldvarg26 ; void *tmp___24 ; char *ldvarg25 ; void *tmp___25 ; struct device *ldvarg27 ; void *tmp___26 ; struct device_attribute *ldvarg29 ; void *tmp___27 ; char *ldvarg28 ; void *tmp___28 ; struct device_attribute *ldvarg32 ; void *tmp___29 ; char *ldvarg31 ; void *tmp___30 ; struct device *ldvarg30 ; void *tmp___31 ; char *ldvarg45 ; void *tmp___32 ; void *ldvarg39 ; void *tmp___33 ; int ldvarg35 ; size_t ldvarg41 ; loff_t *ldvarg43 ; void *tmp___34 ; char *ldvarg42 ; void *tmp___35 ; unsigned int ldvarg38 ; unsigned long ldvarg33 ; unsigned long ldvarg37 ; loff_t ldvarg36 ; loff_t *ldvarg40 ; void *tmp___36 ; size_t ldvarg44 ; unsigned int ldvarg34 ; struct device_attribute *ldvarg48 ; void *tmp___37 ; char *ldvarg47 ; void *tmp___38 ; struct device *ldvarg46 ; void *tmp___39 ; struct device_attribute *ldvarg51 ; void *tmp___40 ; struct device *ldvarg49 ; void *tmp___41 ; char *ldvarg50 ; void *tmp___42 ; struct device_attribute *ldvarg54 ; void *tmp___43 ; char *ldvarg53 ; void *tmp___44 ; struct device *ldvarg52 ; void *tmp___45 ; struct device_attribute *ldvarg57 ; void *tmp___46 ; struct device *ldvarg55 ; void *tmp___47 ; char *ldvarg56 ; void *tmp___48 ; struct device_driver *ldvarg58 ; void *tmp___49 ; char *ldvarg59 ; void *tmp___50 ; char *ldvarg61 ; void *tmp___51 ; struct device *ldvarg60 ; void *tmp___52 ; struct device_attribute *ldvarg62 ; void *tmp___53 ; struct device_attribute *ldvarg65 ; void *tmp___54 ; struct device *ldvarg63 ; void *tmp___55 ; char *ldvarg64 ; void *tmp___56 ; int tmp___57 ; int tmp___58 ; int tmp___59 ; int tmp___60 ; int tmp___61 ; int tmp___62 ; int tmp___63 ; int tmp___64 ; int tmp___65 ; int tmp___66 ; int tmp___67 ; int tmp___68 ; int tmp___69 ; int tmp___70 ; int tmp___71 ; int tmp___72 ; int tmp___73 ; int tmp___74 ; int tmp___75 ; int tmp___76 ; int tmp___77 ; int tmp___78 ; int tmp___79 ; { tmp = ldv_init_zalloc(1UL); ldvarg1 = (char *)tmp; tmp___0 = ldv_init_zalloc(1416UL); ldvarg0 = (struct device *)tmp___0; tmp___1 = ldv_init_zalloc(48UL); ldvarg2 = (struct device_attribute *)tmp___1; tmp___2 = ldv_init_zalloc(1UL); ldvarg4 = (char *)tmp___2; tmp___3 = ldv_init_zalloc(1416UL); ldvarg3 = (struct device *)tmp___3; tmp___4 = ldv_init_zalloc(48UL); ldvarg5 = (struct device_attribute *)tmp___4; tmp___5 = ldv_init_zalloc(1UL); ldvarg7 = (char *)tmp___5; tmp___6 = ldv_init_zalloc(120UL); ldvarg6 = (struct device_driver *)tmp___6; tmp___7 = ldv_init_zalloc(1416UL); ldvarg8 = (struct device *)tmp___7; tmp___8 = ldv_init_zalloc(48UL); ldvarg10 = (struct device_attribute *)tmp___8; tmp___9 = ldv_init_zalloc(1UL); ldvarg9 = (char *)tmp___9; tmp___10 = ldv_init_zalloc(1416UL); ldvarg11 = (struct device *)tmp___10; tmp___11 = ldv_init_zalloc(48UL); ldvarg13 = (struct device_attribute *)tmp___11; tmp___12 = ldv_init_zalloc(1UL); ldvarg12 = (char *)tmp___12; tmp___13 = ldv_init_zalloc(120UL); ldvarg14 = (struct device_driver *)tmp___13; tmp___14 = ldv_init_zalloc(1UL); ldvarg15 = (char *)tmp___14; tmp___15 = ldv_init_zalloc(1UL); ldvarg17 = (char *)tmp___15; tmp___16 = ldv_init_zalloc(120UL); ldvarg16 = (struct device_driver *)tmp___16; tmp___17 = ldv_init_zalloc(1416UL); ldvarg18 = (struct device *)tmp___17; tmp___18 = ldv_init_zalloc(48UL); ldvarg20 = (struct device_attribute *)tmp___18; tmp___19 = ldv_init_zalloc(1UL); ldvarg19 = (char *)tmp___19; tmp___20 = ldv_init_zalloc(1416UL); ldvarg21 = (struct device *)tmp___20; tmp___21 = ldv_init_zalloc(48UL); ldvarg23 = (struct device_attribute *)tmp___21; tmp___22 = ldv_init_zalloc(1UL); ldvarg22 = (char *)tmp___22; tmp___23 = ldv_init_zalloc(1416UL); ldvarg24 = (struct device *)tmp___23; tmp___24 = ldv_init_zalloc(48UL); ldvarg26 = (struct device_attribute *)tmp___24; tmp___25 = ldv_init_zalloc(1UL); ldvarg25 = (char *)tmp___25; tmp___26 = ldv_init_zalloc(1416UL); ldvarg27 = (struct device *)tmp___26; tmp___27 = ldv_init_zalloc(48UL); ldvarg29 = (struct device_attribute *)tmp___27; tmp___28 = ldv_init_zalloc(1UL); ldvarg28 = (char *)tmp___28; tmp___29 = ldv_init_zalloc(48UL); ldvarg32 = (struct device_attribute *)tmp___29; tmp___30 = ldv_init_zalloc(1UL); ldvarg31 = (char *)tmp___30; tmp___31 = ldv_init_zalloc(1416UL); ldvarg30 = (struct device *)tmp___31; tmp___32 = ldv_init_zalloc(1UL); ldvarg45 = (char *)tmp___32; tmp___33 = ldv_init_zalloc(1UL); ldvarg39 = tmp___33; tmp___34 = ldv_init_zalloc(8UL); ldvarg43 = (loff_t *)tmp___34; tmp___35 = ldv_init_zalloc(1UL); ldvarg42 = (char *)tmp___35; tmp___36 = ldv_init_zalloc(8UL); ldvarg40 = (loff_t *)tmp___36; tmp___37 = ldv_init_zalloc(48UL); ldvarg48 = (struct device_attribute *)tmp___37; tmp___38 = ldv_init_zalloc(1UL); ldvarg47 = (char *)tmp___38; tmp___39 = ldv_init_zalloc(1416UL); ldvarg46 = (struct device *)tmp___39; tmp___40 = ldv_init_zalloc(48UL); ldvarg51 = (struct device_attribute *)tmp___40; tmp___41 = ldv_init_zalloc(1416UL); ldvarg49 = (struct device *)tmp___41; tmp___42 = ldv_init_zalloc(1UL); ldvarg50 = (char *)tmp___42; tmp___43 = ldv_init_zalloc(48UL); ldvarg54 = (struct device_attribute *)tmp___43; tmp___44 = ldv_init_zalloc(1UL); ldvarg53 = (char *)tmp___44; tmp___45 = ldv_init_zalloc(1416UL); ldvarg52 = (struct device *)tmp___45; tmp___46 = ldv_init_zalloc(48UL); ldvarg57 = (struct device_attribute *)tmp___46; tmp___47 = ldv_init_zalloc(1416UL); ldvarg55 = (struct device *)tmp___47; tmp___48 = ldv_init_zalloc(1UL); ldvarg56 = (char *)tmp___48; tmp___49 = ldv_init_zalloc(120UL); ldvarg58 = (struct device_driver *)tmp___49; tmp___50 = ldv_init_zalloc(1UL); ldvarg59 = (char *)tmp___50; tmp___51 = ldv_init_zalloc(1UL); ldvarg61 = (char *)tmp___51; tmp___52 = ldv_init_zalloc(1416UL); ldvarg60 = (struct device *)tmp___52; tmp___53 = ldv_init_zalloc(48UL); ldvarg62 = (struct device_attribute *)tmp___53; tmp___54 = ldv_init_zalloc(48UL); ldvarg65 = (struct device_attribute *)tmp___54; tmp___55 = ldv_init_zalloc(1416UL); ldvarg63 = (struct device *)tmp___55; tmp___56 = ldv_init_zalloc(1UL); ldvarg64 = (char *)tmp___56; ldv_initialize(); ldv_memset((void *)(& ldvarg35), 0, 4UL); ldv_memset((void *)(& ldvarg41), 0, 8UL); ldv_memset((void *)(& ldvarg38), 0, 4UL); ldv_memset((void *)(& ldvarg33), 0, 8UL); ldv_memset((void *)(& ldvarg37), 0, 8UL); ldv_memset((void *)(& ldvarg36), 0, 8UL); ldv_memset((void *)(& ldvarg44), 0, 8UL); ldv_memset((void *)(& ldvarg34), 0, 4UL); ldv_state_variable_11 = 0; ldv_state_variable_21 = 0; ldv_state_variable_7 = 0; ldv_state_variable_17 = 0; ldv_state_variable_2 = 0; ldv_state_variable_1 = 0; ldv_state_variable_18 = 0; ref_cnt = 0; ldv_state_variable_0 = 1; ldv_state_variable_16 = 0; ldv_state_variable_13 = 0; ldv_state_variable_6 = 0; ldv_state_variable_3 = 0; ldv_state_variable_9 = 0; ldv_state_variable_12 = 0; ldv_state_variable_20 = 0; ldv_state_variable_14 = 0; ldv_state_variable_15 = 0; ldv_state_variable_8 = 0; ldv_state_variable_4 = 0; ldv_state_variable_19 = 0; ldv_state_variable_10 = 0; ldv_state_variable_5 = 0; ldv_36754: tmp___57 = __VERIFIER_nondet_int(); switch (tmp___57) { case 0: ; if (ldv_state_variable_11 != 0) { tmp___58 = __VERIFIER_nondet_int(); switch (tmp___58) { case 0: ; if (ldv_state_variable_11 == 1) { options_show(ldvarg0, ldvarg2, ldvarg1); ldv_state_variable_11 = 1; } else { } goto ldv_36656; default: ldv_stop(); } ldv_36656: ; } else { } goto ldv_36658; case 1: ; if (ldv_state_variable_21 != 0) { tmp___59 = __VERIFIER_nondet_int(); switch (tmp___59) { case 0: ; if (ldv_state_variable_21 == 1) { ldv_retval_0 = st_probe(st_template_group0); if (ldv_retval_0 == 0) { ldv_state_variable_21 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_36661; case 1: ; if (ldv_state_variable_21 == 2) { st_remove(st_template_group0); ldv_state_variable_21 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_36661; default: ldv_stop(); } ldv_36661: ; } else { } goto ldv_36658; case 2: ; if (ldv_state_variable_7 != 0) { tmp___60 = __VERIFIER_nondet_int(); switch (tmp___60) { case 0: ; if (ldv_state_variable_7 == 1) { write_cnt_show(ldvarg3, ldvarg5, ldvarg4); ldv_state_variable_7 = 1; } else { } goto ldv_36666; default: ldv_stop(); } ldv_36666: ; } else { } goto ldv_36658; case 3: ; if (ldv_state_variable_17 != 0) { tmp___61 = __VERIFIER_nondet_int(); switch (tmp___61) { case 0: ; if (ldv_state_variable_17 == 1) { st_max_sg_segs_show(ldvarg6, ldvarg7); ldv_state_variable_17 = 1; } else { } goto ldv_36670; default: ldv_stop(); } ldv_36670: ; } else { } goto ldv_36658; case 4: ; if (ldv_state_variable_2 != 0) { tmp___62 = __VERIFIER_nondet_int(); switch (tmp___62) { case 0: ; if (ldv_state_variable_2 == 1) { other_cnt_show(ldvarg8, ldvarg10, ldvarg9); ldv_state_variable_2 = 1; } else { } goto ldv_36674; default: ldv_stop(); } ldv_36674: ; } else { } goto ldv_36658; case 5: ; if (ldv_state_variable_1 != 0) { tmp___63 = __VERIFIER_nondet_int(); switch (tmp___63) { case 0: ; if (ldv_state_variable_1 == 1) { resid_cnt_show(ldvarg11, ldvarg13, ldvarg12); ldv_state_variable_1 = 1; } else { } goto ldv_36678; default: ldv_stop(); } ldv_36678: ; } else { } goto ldv_36658; case 6: ; if (ldv_state_variable_18 != 0) { tmp___64 = __VERIFIER_nondet_int(); switch (tmp___64) { case 0: ; if (ldv_state_variable_18 == 1) { st_fixed_buffer_size_show(ldvarg14, ldvarg15); ldv_state_variable_18 = 1; } else { } goto ldv_36682; default: ldv_stop(); } ldv_36682: ; } else { } goto ldv_36658; case 7: ; if (ldv_state_variable_0 != 0) { tmp___65 = __VERIFIER_nondet_int(); switch (tmp___65) { case 0: ; if (ldv_state_variable_0 == 3 && ref_cnt == 0) { exit_st(); ldv_state_variable_0 = 2; goto ldv_final; } else { } goto ldv_36687; case 1: ; if (ldv_state_variable_0 == 1) { ldv_retval_1 = init_st(); if (ldv_retval_1 == 0) { ldv_state_variable_0 = 3; ldv_state_variable_5 = 1; ldv_state_variable_10 = 1; ldv_state_variable_19 = 1; ldv_state_variable_4 = 1; ldv_state_variable_8 = 1; ldv_state_variable_15 = 1; ldv_state_variable_14 = 1; ldv_state_variable_20 = 1; ldv_file_operations_20(); ldv_state_variable_12 = 1; ldv_state_variable_9 = 1; ldv_state_variable_3 = 1; ldv_state_variable_6 = 1; ldv_state_variable_13 = 1; ldv_state_variable_16 = 1; ldv_state_variable_18 = 1; ldv_state_variable_1 = 1; ldv_state_variable_2 = 1; ldv_state_variable_17 = 1; ldv_state_variable_7 = 1; ldv_state_variable_21 = 1; ldv_initialize_scsi_driver_21(); ldv_state_variable_11 = 1; } else { } if (ldv_retval_1 != 0) { ldv_state_variable_0 = 2; goto ldv_final; } else { } } else { } goto ldv_36687; default: ldv_stop(); } ldv_36687: ; } else { } goto ldv_36658; case 8: ; if (ldv_state_variable_16 != 0) { tmp___66 = __VERIFIER_nondet_int(); switch (tmp___66) { case 0: ; if (ldv_state_variable_16 == 1) { st_version_show(ldvarg16, ldvarg17); ldv_state_variable_16 = 1; } else { } goto ldv_36692; default: ldv_stop(); } ldv_36692: ; } else { } goto ldv_36658; case 9: ; if (ldv_state_variable_13 != 0) { tmp___67 = __VERIFIER_nondet_int(); switch (tmp___67) { case 0: ; if (ldv_state_variable_13 == 1) { default_density_show(ldvarg18, ldvarg20, ldvarg19); ldv_state_variable_13 = 1; } else { } goto ldv_36696; default: ldv_stop(); } ldv_36696: ; } else { } goto ldv_36658; case 10: ; if (ldv_state_variable_6 != 0) { tmp___68 = __VERIFIER_nondet_int(); switch (tmp___68) { case 0: ; if (ldv_state_variable_6 == 1) { write_byte_cnt_show(ldvarg21, ldvarg23, ldvarg22); ldv_state_variable_6 = 1; } else { } goto ldv_36700; default: ldv_stop(); } ldv_36700: ; } else { } goto ldv_36658; case 11: ; if (ldv_state_variable_3 != 0) { tmp___69 = __VERIFIER_nondet_int(); switch (tmp___69) { case 0: ; if (ldv_state_variable_3 == 1) { io_ns_show(ldvarg24, ldvarg26, ldvarg25); ldv_state_variable_3 = 1; } else { } goto ldv_36704; default: ldv_stop(); } ldv_36704: ; } else { } goto ldv_36658; case 12: ; if (ldv_state_variable_9 != 0) { tmp___70 = __VERIFIER_nondet_int(); switch (tmp___70) { case 0: ; if (ldv_state_variable_9 == 1) { read_byte_cnt_show(ldvarg27, ldvarg29, ldvarg28); ldv_state_variable_9 = 1; } else { } goto ldv_36708; default: ldv_stop(); } ldv_36708: ; } else { } goto ldv_36658; case 13: ; if (ldv_state_variable_12 != 0) { tmp___71 = __VERIFIER_nondet_int(); switch (tmp___71) { case 0: ; if (ldv_state_variable_12 == 1) { default_compression_show(ldvarg30, ldvarg32, ldvarg31); ldv_state_variable_12 = 1; } else { } goto ldv_36712; default: ldv_stop(); } ldv_36712: ; } else { } goto ldv_36658; case 14: ; if (ldv_state_variable_20 != 0) { tmp___72 = __VERIFIER_nondet_int(); switch (tmp___72) { case 0: ; if (ldv_state_variable_20 == 1) { st_write(st_fops_group2, (char const *)ldvarg45, ldvarg44, ldvarg43); ldv_state_variable_20 = 1; } else { } if (ldv_state_variable_20 == 2) { st_write(st_fops_group2, (char const *)ldvarg45, ldvarg44, ldvarg43); ldv_state_variable_20 = 2; } else { } goto ldv_36716; case 1: ; if (ldv_state_variable_20 == 2) { st_read(st_fops_group2, ldvarg42, ldvarg41, ldvarg40); ldv_state_variable_20 = 2; } else { } goto ldv_36716; case 2: ; if (ldv_state_variable_20 == 1) { st_flush(st_fops_group2, ldvarg39); ldv_state_variable_20 = 1; } else { } if (ldv_state_variable_20 == 2) { st_flush(st_fops_group2, ldvarg39); ldv_state_variable_20 = 2; } else { } goto ldv_36716; case 3: ; if (ldv_state_variable_20 == 2) { st_compat_ioctl(st_fops_group2, ldvarg38, ldvarg37); ldv_state_variable_20 = 2; } else { } goto ldv_36716; case 4: ; if (ldv_state_variable_20 == 1) { ldv_retval_2 = st_open(st_fops_group1, st_fops_group2); if (ldv_retval_2 == 0) { ldv_state_variable_20 = 2; ref_cnt = ref_cnt + 1; } else { } } else { } goto ldv_36716; case 5: ; if (ldv_state_variable_20 == 2) { st_release(st_fops_group1, st_fops_group2); ldv_state_variable_20 = 1; ref_cnt = ref_cnt - 1; } else { } goto ldv_36716; case 6: ; if (ldv_state_variable_20 == 2) { noop_llseek(st_fops_group2, ldvarg36, ldvarg35); ldv_state_variable_20 = 2; } else { } goto ldv_36716; case 7: ; if (ldv_state_variable_20 == 2) { st_ioctl(st_fops_group2, ldvarg34, ldvarg33); ldv_state_variable_20 = 2; } else { } goto ldv_36716; default: ldv_stop(); } ldv_36716: ; } else { } goto ldv_36658; case 15: ; if (ldv_state_variable_14 != 0) { tmp___73 = __VERIFIER_nondet_int(); switch (tmp___73) { case 0: ; if (ldv_state_variable_14 == 1) { default_blksize_show(ldvarg46, ldvarg48, ldvarg47); ldv_state_variable_14 = 1; } else { } goto ldv_36727; default: ldv_stop(); } ldv_36727: ; } else { } goto ldv_36658; case 16: ; if (ldv_state_variable_15 != 0) { tmp___74 = __VERIFIER_nondet_int(); switch (tmp___74) { case 0: ; if (ldv_state_variable_15 == 1) { defined_show(ldvarg49, ldvarg51, ldvarg50); ldv_state_variable_15 = 1; } else { } goto ldv_36731; default: ldv_stop(); } ldv_36731: ; } else { } goto ldv_36658; case 17: ; if (ldv_state_variable_8 != 0) { tmp___75 = __VERIFIER_nondet_int(); switch (tmp___75) { case 0: ; if (ldv_state_variable_8 == 1) { read_ns_show(ldvarg52, ldvarg54, ldvarg53); ldv_state_variable_8 = 1; } else { } goto ldv_36735; default: ldv_stop(); } ldv_36735: ; } else { } goto ldv_36658; case 18: ; if (ldv_state_variable_4 != 0) { tmp___76 = __VERIFIER_nondet_int(); switch (tmp___76) { case 0: ; if (ldv_state_variable_4 == 1) { in_flight_show(ldvarg55, ldvarg57, ldvarg56); ldv_state_variable_4 = 1; } else { } goto ldv_36739; default: ldv_stop(); } ldv_36739: ; } else { } goto ldv_36658; case 19: ; if (ldv_state_variable_19 != 0) { tmp___77 = __VERIFIER_nondet_int(); switch (tmp___77) { case 0: ; if (ldv_state_variable_19 == 1) { st_try_direct_io_show(ldvarg58, ldvarg59); ldv_state_variable_19 = 1; } else { } goto ldv_36743; default: ldv_stop(); } ldv_36743: ; } else { } goto ldv_36658; case 20: ; if (ldv_state_variable_10 != 0) { tmp___78 = __VERIFIER_nondet_int(); switch (tmp___78) { case 0: ; if (ldv_state_variable_10 == 1) { read_cnt_show(ldvarg60, ldvarg62, ldvarg61); ldv_state_variable_10 = 1; } else { } goto ldv_36747; default: ldv_stop(); } ldv_36747: ; } else { } goto ldv_36658; case 21: ; if (ldv_state_variable_5 != 0) { tmp___79 = __VERIFIER_nondet_int(); switch (tmp___79) { case 0: ; if (ldv_state_variable_5 == 1) { write_ns_show(ldvarg63, ldvarg65, ldvarg64); ldv_state_variable_5 = 1; } else { } goto ldv_36751; default: ldv_stop(); } ldv_36751: ; } else { } goto ldv_36658; default: ldv_stop(); } ldv_36658: ; goto ldv_36754; ldv_final: ldv_check_final_state(); return 0; } } __inline static long PTR_ERR(void const *ptr ) { long tmp ; { tmp = ldv_ptr_err(ptr); return (tmp); } } __inline static bool IS_ERR(void const *ptr ) { bool tmp ; { tmp = ldv_is_err(ptr); return (tmp); } } extern void *memset(void * , int , size_t ) ; __inline static void ldv_error(void) { { ERROR: ; __VERIFIER_error(); } } bool ldv_is_err(void const *ptr ) { { return ((unsigned long )ptr > 2012UL); } } void *ldv_err_ptr(long error ) { { return ((void *)(2012L - error)); } } long ldv_ptr_err(void const *ptr ) { { return ((long )(2012UL - (unsigned long )ptr)); } } bool ldv_is_err_or_null(void const *ptr ) { bool tmp ; int tmp___0 ; { if ((unsigned long )ptr == (unsigned long )((void const *)0)) { tmp___0 = 1; } else { tmp = ldv_is_err(ptr); if ((int )tmp) { tmp___0 = 1; } else { tmp___0 = 0; } } return ((bool )tmp___0); } } int ldv_module_refcounter = 1; void ldv_module_get(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { ldv_module_refcounter = ldv_module_refcounter + 1; } else { } return; } } int ldv_try_module_get(struct module *module ) { int module_get_succeeded ; { if ((unsigned long )module != (unsigned long )((struct module *)0)) { module_get_succeeded = ldv_undef_int(); if (module_get_succeeded == 1) { ldv_module_refcounter = ldv_module_refcounter + 1; return (1); } else { return (0); } } else { } return (0); } } void ldv_module_put(struct module *module ) { { if ((unsigned long )module != (unsigned long )((struct module *)0)) { if (ldv_module_refcounter <= 1) { ldv_error(); } else { } ldv_module_refcounter = ldv_module_refcounter - 1; } else { } return; } } void ldv_module_put_and_exit(void) { { ldv_module_put((struct module *)1); LDV_STOP: ; goto LDV_STOP; } } unsigned int ldv_module_refcount(void) { { return ((unsigned int )(ldv_module_refcounter + -1)); } } void ldv_check_final_state(void) { { if (ldv_module_refcounter != 1) { ldv_error(); } else { } return; } }