extern void __VERIFIER_error() __attribute__ ((__noreturn__)); /* Generated by CIL v. 1.5.1 */ /* print_CIL_Input is false */ struct kernel_symbol { unsigned long value ; char const *name ; }; struct module; typedef signed char __s8; typedef short __s16; typedef unsigned short __u16; typedef int __s32; typedef unsigned int __u32; typedef unsigned long long __u64; typedef unsigned char u8; typedef short s16; 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; 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 * ) ; }; typedef void (*ctor_fn_t)(void); struct file_operations; struct device; struct completion; struct pt_regs; struct pid; typedef u16 __ticket_t; typedef u32 __ticketpair_t; struct __raw_tickets { __ticket_t head ; __ticket_t tail ; }; union __anonunion_ldv_2043_8 { __ticketpair_t head_tail ; struct __raw_tickets tickets ; }; struct arch_spinlock { union __anonunion_ldv_2043_8 ldv_2043 ; }; typedef struct arch_spinlock arch_spinlock_t; struct __anonstruct_ldv_2050_10 { u32 read ; s32 write ; }; union __anonunion_arch_rwlock_t_9 { s64 lock ; struct __anonstruct_ldv_2050_10 ldv_2050 ; }; typedef union __anonunion_arch_rwlock_t_9 arch_rwlock_t; struct task_struct; struct lockdep_map; struct mm_struct; 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_ldv_2103_12 { unsigned int a ; unsigned int b ; }; struct __anonstruct_ldv_2118_13 { 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_ldv_2119_11 { struct __anonstruct_ldv_2103_12 ldv_2103 ; struct __anonstruct_ldv_2118_13 ldv_2118 ; }; struct desc_struct { union __anonunion_ldv_2119_11 ldv_2119 ; }; typedef unsigned long pgdval_t; typedef unsigned long pgprotval_t; struct pgprot { pgprotval_t pgprot ; }; typedef struct pgprot pgprot_t; struct __anonstruct_pgd_t_15 { pgdval_t pgd ; }; typedef struct __anonstruct_pgd_t_15 pgd_t; struct page; typedef struct page *pgtable_t; struct file; struct seq_file; struct thread_struct; struct cpumask; 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_ldv_2775_18 { struct pt_regs *regs ; struct kernel_vm86_regs *vm86 ; }; struct math_emu_info { long ___orig_eip ; union __anonunion_ldv_2775_18 ldv_2775 ; }; struct bug_entry { int bug_addr_disp ; int file_disp ; unsigned short line ; unsigned short flags ; }; struct cpumask { unsigned long bits[64U] ; }; typedef struct cpumask cpumask_t; typedef struct cpumask *cpumask_var_t; struct static_key; struct exec_domain; struct map_segment; struct exec_domain { char const *name ; void (*handler)(int , struct pt_regs * ) ; unsigned char pers_low ; unsigned char pers_high ; unsigned long *signal_map ; unsigned long *signal_invmap ; struct map_segment *err_map ; struct map_segment *socktype_map ; struct map_segment *sockopt_map ; struct map_segment *af_map ; struct module *module ; struct exec_domain *next ; }; struct seq_operations; struct i387_fsave_struct { u32 cwd ; u32 swd ; u32 twd ; u32 fip ; u32 fcs ; u32 foo ; u32 fos ; u32 st_space[20U] ; u32 status ; }; struct __anonstruct_ldv_5181_23 { u64 rip ; u64 rdp ; }; struct __anonstruct_ldv_5187_24 { u32 fip ; u32 fcs ; u32 foo ; u32 fos ; }; union __anonunion_ldv_5188_22 { struct __anonstruct_ldv_5181_23 ldv_5181 ; struct __anonstruct_ldv_5187_24 ldv_5187 ; }; union __anonunion_ldv_5197_25 { u32 padding1[12U] ; u32 sw_reserved[12U] ; }; struct i387_fxsave_struct { u16 cwd ; u16 swd ; u16 twd ; u16 fop ; union __anonunion_ldv_5188_22 ldv_5188 ; u32 mxcsr ; u32 mxcsr_mask ; u32 st_space[32U] ; u32 xmm_space[64U] ; u32 padding[12U] ; union __anonunion_ldv_5197_25 ldv_5197 ; }; struct i387_soft_struct { 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 ymmh_struct { u32 ymmh_space[64U] ; }; struct xsave_hdr_struct { u64 xstate_bv ; u64 reserved1[2U] ; u64 reserved2[5U] ; }; struct xsave_struct { struct i387_fxsave_struct i387 ; struct xsave_hdr_struct xsave_hdr ; struct ymmh_struct ymmh ; }; union thread_xstate { struct i387_fsave_struct fsave ; struct i387_fxsave_struct fxsave ; struct i387_soft_struct soft ; struct xsave_struct xsave ; }; struct fpu { unsigned int last_cpu ; unsigned int has_fpu ; union thread_xstate *state ; }; struct kmem_cache; struct perf_event; struct thread_struct { struct desc_struct tls_array[3U] ; unsigned long sp0 ; unsigned long sp ; unsigned long usersp ; unsigned short es ; unsigned short ds ; unsigned short fsindex ; unsigned short gsindex ; unsigned long fs ; unsigned long gs ; struct perf_event *ptrace_bps[4U] ; unsigned long debugreg6 ; unsigned long ptrace_dr7 ; unsigned long cr2 ; unsigned long trap_nr ; unsigned long error_code ; struct fpu fpu ; unsigned long *io_bitmap_ptr ; unsigned long iopl ; unsigned int io_bitmap_max ; }; struct __anonstruct_mm_segment_t_27 { unsigned long seg ; }; typedef struct __anonstruct_mm_segment_t_27 mm_segment_t; typedef atomic64_t atomic_long_t; struct stack_trace { unsigned int nr_entries ; unsigned int max_entries ; unsigned long *entries ; int skip ; }; struct lockdep_subclass_key { char __one_byte ; } __attribute__((__packed__)) ; 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 : 2 ; unsigned char hardirqs_off : 1 ; unsigned short references : 11 ; }; 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_ldv_6013_29 { u8 __padding[24U] ; struct lockdep_map dep_map ; }; union __anonunion_ldv_6014_28 { struct raw_spinlock rlock ; struct __anonstruct_ldv_6013_29 ldv_6013 ; }; struct spinlock { union __anonunion_ldv_6014_28 ldv_6014 ; }; typedef struct spinlock spinlock_t; struct __anonstruct_rwlock_t_30 { arch_rwlock_t raw_lock ; unsigned int magic ; unsigned int owner_cpu ; void *owner ; struct lockdep_map dep_map ; }; typedef struct __anonstruct_rwlock_t_30 rwlock_t; struct mutex { atomic_t count ; spinlock_t wait_lock ; struct list_head wait_list ; struct task_struct *owner ; char const *name ; void *magic ; struct lockdep_map dep_map ; }; struct mutex_waiter { struct list_head list ; struct task_struct *task ; void *magic ; }; struct timespec; struct compat_timespec; struct __anonstruct_futex_32 { u32 *uaddr ; u32 val ; u32 flags ; u32 bitset ; u64 time ; u32 *uaddr2 ; }; struct __anonstruct_nanosleep_33 { clockid_t clockid ; struct timespec *rmtp ; struct compat_timespec *compat_rmtp ; u64 expires ; }; struct pollfd; struct __anonstruct_poll_34 { struct pollfd *ufds ; int nfds ; int has_timeout ; unsigned long tv_sec ; unsigned long tv_nsec ; }; union __anonunion_ldv_6273_31 { struct __anonstruct_futex_32 futex ; struct __anonstruct_nanosleep_33 nanosleep ; struct __anonstruct_poll_34 poll ; }; struct restart_block { long (*fn)(struct restart_block * ) ; union __anonunion_ldv_6273_31 ldv_6273 ; }; struct thread_info { struct task_struct *task ; struct exec_domain *exec_domain ; __u32 flags ; __u32 status ; __u32 cpu ; int preempt_count ; mm_segment_t addr_limit ; struct restart_block restart_block ; void *sysenter_return ; unsigned char sig_on_uaccess_error : 1 ; unsigned char uaccess_err : 1 ; }; struct seqcount { unsigned int sequence ; }; typedef struct seqcount seqcount_t; struct timespec { __kernel_time_t tv_sec ; long tv_nsec ; }; struct user_namespace; typedef uid_t kuid_t; typedef gid_t 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 __wait_queue_head { spinlock_t lock ; struct list_head task_list ; }; typedef struct __wait_queue_head wait_queue_head_t; struct __anonstruct_nodemask_t_36 { unsigned long bits[16U] ; }; typedef struct __anonstruct_nodemask_t_36 nodemask_t; struct rw_semaphore; struct rw_semaphore { long count ; raw_spinlock_t wait_lock ; struct list_head wait_list ; 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 tvec_base; struct timer_list { struct list_head entry ; unsigned long expires ; struct tvec_base *base ; void (*function)(unsigned long ) ; unsigned long data ; int slack ; int start_pid ; void *start_site ; char start_comm[16U] ; struct lockdep_map lockdep_map ; }; struct hrtimer; enum hrtimer_restart; 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 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 ignore_children ; bool early_init ; 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 ; 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 ; struct dev_pm_qos *qos ; }; struct dev_pm_domain { struct dev_pm_ops ops ; }; struct __anonstruct_mm_context_t_101 { void *ldt ; int size ; unsigned short ia32_compat ; struct mutex lock ; void *vdso ; }; typedef struct __anonstruct_mm_context_t_101 mm_context_t; 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 vm_area_struct; struct bio_vec; struct device_node; struct call_single_data { struct list_head list ; void (*func)(void * ) ; void *info ; u16 flags ; }; struct nsproxy; struct cred; 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; 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 ; void *(*grab_current_ns)(void) ; void const *(*netlink_ns)(struct sock * ) ; void const *(*initial_ns)(void) ; void (*drop_ns)(void * ) ; }; 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 { 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 ) ; void const *(*namespace)(struct kobject * , struct attribute const * ) ; }; struct sysfs_dirent; 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 sysfs_dirent *sd ; struct kref kref ; 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 *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 { 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_ldv_14133_134 { void *arg ; struct kparam_string const *str ; struct kparam_array const *arr ; }; struct kernel_param { char const *name ; struct kernel_param_ops const *ops ; u16 perm ; s16 level ; union __anonunion_ldv_14133_134 ldv_14133 ; }; 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 static_key { atomic_t enabled ; }; struct tracepoint; struct tracepoint_func { void *func ; void *data ; }; struct tracepoint { char const *name ; struct static_key key ; void (*regfunc)(void) ; void (*unregfunc)(void) ; struct tracepoint_func *funcs ; }; 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 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 module_ref { unsigned long incs ; unsigned long decs ; }; struct module_sect_attrs; struct module_notes_attrs; struct ftrace_event_call; 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 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 ; 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 ; 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 ftrace_event_call **trace_events ; unsigned int num_trace_events ; struct list_head source_list ; struct list_head target_list ; struct task_struct *waiter ; void (*exit)(void) ; struct module_ref *refptr ; ctor_fn_t (**ctors)(void) ; unsigned int num_ctors ; }; 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 nameidata; struct path; struct vfsmount; struct __anonstruct_ldv_14812_136 { u32 hash ; u32 len ; }; union __anonunion_ldv_14814_135 { struct __anonstruct_ldv_14812_136 ldv_14812 ; u64 hash_len ; }; struct qstr { union __anonunion_ldv_14814_135 ldv_14814 ; unsigned char const *name ; }; struct inode; struct dentry_operations; struct super_block; union __anonunion_d_u_137 { struct list_head d_child ; 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] ; unsigned int d_count ; spinlock_t d_lock ; struct dentry_operations const *d_op ; struct super_block *d_sb ; unsigned long d_time ; void *d_fsdata ; struct list_head d_lru ; union __anonunion_d_u_137 d_u ; struct list_head d_subdirs ; struct hlist_node d_alias ; }; 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 inode const * , struct qstr * ) ; int (*d_compare)(struct dentry const * , struct inode const * , struct dentry const * , struct inode 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 path { struct vfsmount *mnt ; struct dentry *dentry ; }; struct radix_tree_node; struct radix_tree_root { unsigned int height ; gfp_t gfp_mask ; struct radix_tree_node *rnode ; }; 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 kernel_cap_struct { __u32 cap[2U] ; }; typedef struct kernel_cap_struct kernel_cap_t; struct fiemap_extent { __u64 fe_logical ; __u64 fe_physical ; __u64 fe_length ; __u64 fe_reserved64[2U] ; __u32 fe_flags ; __u32 fe_reserved[3U] ; }; struct shrink_control { gfp_t gfp_mask ; unsigned long nr_to_scan ; }; struct shrinker { int (*shrink)(struct shrinker * , struct shrink_control * ) ; int seeks ; long batch ; struct list_head list ; atomic_long_t nr_in_batch ; }; 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; struct io_context; struct cgroup_subsys_state; 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 bio { sector_t bi_sector ; struct bio *bi_next ; struct block_device *bi_bdev ; unsigned long bi_flags ; unsigned long bi_rw ; unsigned short bi_vcnt ; unsigned short bi_idx ; unsigned int bi_phys_segments ; unsigned int bi_size ; unsigned int bi_seg_front_size ; unsigned int bi_seg_back_size ; bio_end_io_t *bi_end_io ; void *bi_private ; struct io_context *bi_ioc ; struct cgroup_subsys_state *bi_css ; struct bio_integrity_payload *bi_integrity ; unsigned int 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 export_operations; struct hd_geometry; struct iovec; struct kiocb; struct pipe_inode_info; struct poll_table_struct; struct kstatfs; struct swap_info_struct; 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 percpu_counter { raw_spinlock_t lock ; s64 count ; struct list_head list ; s32 *counters ; }; struct fs_disk_quota { __s8 d_version ; __s8 d_flags ; __u16 d_fieldmask ; __u32 d_id ; __u64 d_blk_hardlimit ; __u64 d_blk_softlimit ; __u64 d_ino_hardlimit ; __u64 d_ino_softlimit ; __u64 d_bcount ; __u64 d_icount ; __s32 d_itimer ; __s32 d_btimer ; __u16 d_iwarns ; __u16 d_bwarns ; __s32 d_padding2 ; __u64 d_rtb_hardlimit ; __u64 d_rtb_softlimit ; __u64 d_rtbcount ; __s32 d_rtbtimer ; __u16 d_rtbwarns ; __s16 d_padding3 ; char d_padding4[8U] ; }; struct fs_qfilestat { __u64 qfs_ino ; __u64 qfs_nblks ; __u32 qfs_nextents ; }; typedef struct fs_qfilestat fs_qfilestat_t; struct fs_quota_stat { __s8 qs_version ; __u16 qs_flags ; __s8 qs_pad ; fs_qfilestat_t qs_uquota ; fs_qfilestat_t qs_gquota ; __u32 qs_incoredqs ; __s32 qs_btimelimit ; __s32 qs_itimelimit ; __s32 qs_rtbtimelimit ; __u16 qs_bwarnlimit ; __u16 qs_iwarnlimit ; }; struct dquot; typedef __kernel_uid32_t projid_t; typedef projid_t kprojid_t; struct if_dqinfo { __u64 dqi_bgrace ; __u64 dqi_igrace ; __u32 dqi_flags ; __u32 dqi_valid ; }; enum quota_type { USRQUOTA = 0, GRPQUOTA = 1, PRJQUOTA = 2 } ; typedef long long qsize_t; union __anonunion_ldv_15840_139 { kuid_t uid ; kgid_t gid ; kprojid_t projid ; }; struct kqid { union __anonunion_ldv_15840_139 ldv_15840 ; 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_maxblimit ; qsize_t dqi_maxilimit ; 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 * ) ; }; struct quotactl_ops { int (*quota_on)(struct super_block * , int , int , struct path * ) ; int (*quota_on_meta)(struct super_block * , int , int ) ; int (*quota_off)(struct super_block * , int ) ; int (*quota_sync)(struct super_block * , int ) ; int (*get_info)(struct super_block * , int , struct if_dqinfo * ) ; int (*set_info)(struct super_block * , int , struct if_dqinfo * ) ; int (*get_dqblk)(struct super_block * , struct kqid , struct fs_disk_quota * ) ; int (*set_dqblk)(struct super_block * , struct kqid , struct fs_disk_quota * ) ; int (*get_xstate)(struct super_block * , struct fs_quota_stat * ) ; int (*set_xstate)(struct super_block * , unsigned int , 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 rw_semaphore dqptr_sem ; struct inode *files[2U] ; struct mem_dqinfo info[2U] ; struct quota_format_ops const *ops[2U] ; }; struct address_space; struct writeback_control; union __anonunion_arg_141 { char *buf ; void *data ; }; struct __anonstruct_read_descriptor_t_140 { size_t written ; size_t count ; union __anonunion_arg_141 arg ; int error ; }; typedef struct __anonstruct_read_descriptor_t_140 read_descriptor_t; 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 long ) ; int (*releasepage)(struct page * , gfp_t ) ; void (*freepage)(struct page * ) ; ssize_t (*direct_IO)(int , struct kiocb * , struct iovec const * , loff_t , unsigned long ) ; int (*get_xip_mem)(struct address_space * , unsigned long , int , void ** , unsigned long * ) ; int (*migratepage)(struct address_space * , struct page * , struct page * , enum migrate_mode ) ; int (*launder_page)(struct page * ) ; int (*is_partially_uptodate)(struct page * , read_descriptor_t * , unsigned long ) ; 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 backing_dev_info; struct address_space { struct inode *host ; struct radix_tree_root page_tree ; spinlock_t tree_lock ; unsigned int i_mmap_writable ; struct rb_root i_mmap ; struct list_head i_mmap_nonlinear ; struct mutex i_mmap_mutex ; unsigned long nrpages ; unsigned long writeback_index ; struct address_space_operations const *a_ops ; unsigned long flags ; struct backing_dev_info *backing_dev_info ; 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_ldv_16276_142 { unsigned int const i_nlink ; unsigned int __i_nlink ; }; union __anonunion_ldv_16296_143 { struct hlist_head i_dentry ; struct callback_head i_rcu ; }; struct file_lock; struct cdev; union __anonunion_ldv_16312_144 { struct pipe_inode_info *i_pipe ; struct block_device *i_bdev ; struct cdev *i_cdev ; }; 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_ldv_16276_142 ldv_16276 ; 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 ; struct hlist_node i_hash ; struct list_head i_wb_list ; struct list_head i_lru ; struct list_head i_sb_list ; union __anonunion_ldv_16296_143 ldv_16296 ; u64 i_version ; atomic_t i_count ; atomic_t i_dio_count ; atomic_t i_writecount ; struct file_operations const *i_fop ; struct file_lock *i_flock ; struct address_space i_data ; struct dquot *i_dquot[2U] ; struct list_head i_devices ; union __anonunion_ldv_16312_144 ldv_16312 ; __u32 i_generation ; __u32 i_fsnotify_mask ; struct hlist_head i_fsnotify_marks ; atomic_t i_readcount ; 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_145 { struct list_head fu_list ; struct callback_head fu_rcuhead ; }; struct file { union __anonunion_f_u_145 f_u ; struct path f_path ; struct inode *f_inode ; struct file_operations const *f_op ; spinlock_t f_lock ; int f_sb_list_cpu ; atomic_long_t f_count ; unsigned int f_flags ; fmode_t f_mode ; 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 ; unsigned long f_mnt_write_state ; }; struct files_struct; typedef struct files_struct *fl_owner_t; 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 * ) ; void (*lm_notify)(struct file_lock * ) ; int (*lm_grant)(struct file_lock * , struct file_lock * , int ) ; void (*lm_break)(struct file_lock * ) ; int (*lm_change)(struct file_lock ** , int ) ; }; 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_147 { struct list_head link ; int state ; }; union __anonunion_fl_u_146 { struct nfs_lock_info nfs_fl ; struct nfs4_lock_info nfs4_fl ; struct __anonstruct_afs_147 afs ; }; struct file_lock { struct file_lock *fl_next ; struct list_head fl_link ; struct list_head fl_block ; fl_owner_t fl_owner ; unsigned int fl_flags ; unsigned char fl_type ; unsigned int fl_pid ; 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_146 fl_u ; }; 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 file_system_type; 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_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_files ; struct list_head s_mounts ; struct list_head s_dentry_lru ; int s_nr_dentry_unused ; spinlock_t s_inode_lru_lock ; struct list_head s_inode_lru ; int s_nr_inodes_unused ; struct block_device *s_bdev ; struct backing_dev_info *s_bdi ; struct mtd_info *s_mtd ; struct hlist_node s_instances ; 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 fiemap_extent_info { unsigned int fi_flags ; unsigned int fi_extents_mapped ; unsigned int fi_extents_max ; struct fiemap_extent *fi_extents_start ; }; 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 (*aio_read)(struct kiocb * , struct iovec const * , unsigned long , loff_t ) ; ssize_t (*aio_write)(struct kiocb * , struct iovec const * , unsigned long , loff_t ) ; int (*readdir)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ) ; 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 (*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 ** ) ; long (*fallocate)(struct file * , int , loff_t , loff_t ) ; int (*show_fdinfo)(struct seq_file * , struct file * ) ; }; struct inode_operations { struct dentry *(*lookup)(struct inode * , struct dentry * , unsigned int ) ; void *(*follow_link)(struct dentry * , struct nameidata * ) ; int (*permission)(struct inode * , int ) ; struct posix_acl *(*get_acl)(struct inode * , int ) ; int (*readlink)(struct dentry * , char * , int ) ; void (*put_link)(struct dentry * , struct nameidata * , 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 (*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 * ) ; }; 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_fs)(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 ) ; int (*bdev_try_to_free_page)(struct super_block * , struct page * , gfp_t ) ; int (*nr_cached_objects)(struct super_block * ) ; void (*free_cached_objects)(struct super_block * , int ) ; }; 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 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 return_instance; struct uprobe; struct uprobe_task { enum uprobe_task_state state ; struct arch_uprobe_task autask ; struct return_instance *return_instances ; unsigned int depth ; struct uprobe *active_uprobe ; unsigned long xol_vaddr ; unsigned long vaddr ; }; struct xol_area { wait_queue_head_t wq ; atomic_t slot_count ; unsigned long *bitmap ; struct page *page ; unsigned long vaddr ; }; struct uprobes_state { struct xol_area *xol_area ; }; union __anonunion_ldv_18437_149 { unsigned long index ; void *freelist ; bool pfmemalloc ; }; struct __anonstruct_ldv_18447_153 { unsigned short inuse ; unsigned short objects : 15 ; unsigned char frozen : 1 ; }; union __anonunion_ldv_18449_152 { atomic_t _mapcount ; struct __anonstruct_ldv_18447_153 ldv_18447 ; int units ; }; struct __anonstruct_ldv_18451_151 { union __anonunion_ldv_18449_152 ldv_18449 ; atomic_t _count ; }; union __anonunion_ldv_18452_150 { unsigned long counters ; struct __anonstruct_ldv_18451_151 ldv_18451 ; }; struct __anonstruct_ldv_18453_148 { union __anonunion_ldv_18437_149 ldv_18437 ; union __anonunion_ldv_18452_150 ldv_18452 ; }; struct __anonstruct_ldv_18460_155 { struct page *next ; int pages ; int pobjects ; }; struct slab; union __anonunion_ldv_18464_154 { struct list_head lru ; struct __anonstruct_ldv_18460_155 ldv_18460 ; struct list_head list ; struct slab *slab_page ; }; union __anonunion_ldv_18469_156 { unsigned long private ; struct kmem_cache *slab_cache ; struct page *first_page ; }; struct page { unsigned long flags ; struct address_space *mapping ; struct __anonstruct_ldv_18453_148 ldv_18453 ; union __anonunion_ldv_18464_154 ldv_18464 ; union __anonunion_ldv_18469_156 ldv_18469 ; unsigned long debug_flags ; }; struct page_frag { struct page *page ; __u32 offset ; __u32 size ; }; struct __anonstruct_linear_158 { struct rb_node rb ; unsigned long rb_subtree_last ; }; union __anonunion_shared_157 { struct __anonstruct_linear_158 linear ; struct list_head nonlinear ; }; 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 ; union __anonunion_shared_157 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 mm_rss_stat { atomic_long_t count[3U] ; }; struct linux_binfmt; struct mmu_notifier_mm; struct mm_struct { struct vm_area_struct *mmap ; struct rb_root mm_rb ; struct vm_area_struct *mmap_cache ; unsigned long (*get_unmapped_area)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ) ; void (*unmap_area)(struct mm_struct * , unsigned long ) ; unsigned long mmap_base ; unsigned long task_size ; unsigned long cached_hole_size ; unsigned long free_area_cache ; unsigned long highest_vm_end ; pgd_t *pgd ; atomic_t mm_users ; atomic_t mm_count ; 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 nr_ptes ; 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[44U] ; 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 hlist_head ioctx_list ; struct task_struct *owner ; struct file *exe_file ; struct mmu_notifier_mm *mmu_notifier_mm ; pgtable_t pmd_huge_pte ; struct cpumask cpumask_allocation ; unsigned long numa_next_scan ; unsigned long numa_next_reset ; unsigned long numa_scan_offset ; int numa_scan_seq ; int first_nid ; struct uprobes_state uprobes_state ; }; typedef unsigned long cputime_t; struct sem_undo_list; struct sysv_sem { struct sem_undo_list *undo_list ; }; struct __anonstruct_sigset_t_159 { unsigned long sig[1U] ; }; typedef struct __anonstruct_sigset_t_159 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_161 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; }; struct __anonstruct__timer_162 { __kernel_timer_t _tid ; int _overrun ; char _pad[0U] ; sigval_t _sigval ; int _sys_private ; }; struct __anonstruct__rt_163 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; sigval_t _sigval ; }; struct __anonstruct__sigchld_164 { __kernel_pid_t _pid ; __kernel_uid32_t _uid ; int _status ; __kernel_clock_t _utime ; __kernel_clock_t _stime ; }; struct __anonstruct__sigfault_165 { void *_addr ; short _addr_lsb ; }; struct __anonstruct__sigpoll_166 { long _band ; int _fd ; }; struct __anonstruct__sigsys_167 { void *_call_addr ; int _syscall ; unsigned int _arch ; }; union __anonunion__sifields_160 { int _pad[28U] ; struct __anonstruct__kill_161 _kill ; struct __anonstruct__timer_162 _timer ; struct __anonstruct__rt_163 _rt ; struct __anonstruct__sigchld_164 _sigchld ; struct __anonstruct__sigfault_165 _sigfault ; struct __anonstruct__sigpoll_166 _sigpoll ; struct __anonstruct__sigsys_167 _sigsys ; }; struct siginfo { int si_signo ; int si_errno ; int si_code ; union __anonunion__sifields_160 _sifields ; }; typedef struct siginfo siginfo_t; struct user_struct; 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 ; }; struct seccomp_filter; struct seccomp { int mode ; struct seccomp_filter *filter ; }; struct plist_head { struct list_head node_list ; }; struct plist_node { int prio ; struct list_head prio_list ; struct list_head node_list ; }; struct rt_mutex_waiter; struct rlimit { unsigned long rlim_cur ; unsigned long 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 resolution ; ktime_t (*get_time)(void) ; ktime_t softirq_time ; ktime_t offset ; }; struct hrtimer_cpu_base { raw_spinlock_t lock ; unsigned int active_bases ; unsigned int clock_was_set ; ktime_t expires_next ; int hres_active ; int hang_detected ; unsigned long nr_events ; unsigned long nr_retries ; unsigned long nr_hangs ; ktime_t 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 ; }; typedef int32_t key_serial_t; typedef uint32_t key_perm_t; struct key; struct signal_struct; struct key_type; struct keyring_list; union __anonunion_ldv_19552_170 { struct list_head graveyard_link ; struct rb_node serial_node ; }; struct key_user; union __anonunion_ldv_19561_171 { time_t expiry ; time_t revoked_at ; }; union __anonunion_type_data_172 { struct list_head link ; unsigned long x[2U] ; void *p[2U] ; int reject_error ; }; union __anonunion_payload_173 { unsigned long value ; void *rcudata ; void *data ; struct keyring_list *subscriptions ; }; struct key { atomic_t usage ; key_serial_t serial ; union __anonunion_ldv_19552_170 ldv_19552 ; struct key_type *type ; struct rw_semaphore sem ; struct key_user *user ; void *security ; union __anonunion_ldv_19561_171 ldv_19561 ; time_t last_used_at ; kuid_t uid ; kgid_t gid ; key_perm_t perm ; unsigned short quotalen ; unsigned short datalen ; unsigned long flags ; char *description ; union __anonunion_type_data_172 type_data ; union __anonunion_payload_173 payload ; }; 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 llist_node; struct llist_node { struct llist_node *next ; }; struct futex_pi_state; struct robust_list_head; struct bio_list; struct fs_struct; struct perf_event_context; struct blk_plug; 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 thread_group_cputimer { struct task_cputime cputime ; int running ; raw_spinlock_t lock ; }; struct autogroup; struct tty_struct; struct taskstats; struct tty_audit_buf; struct signal_struct { atomic_t sigcnt ; atomic_t live ; int nr_threads ; 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 ; 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 ; struct rw_semaphore group_rwsem ; 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 files ; 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 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 ; struct timespec blkio_start ; struct timespec blkio_end ; u64 blkio_delay ; u64 swapin_delay ; u32 blkio_count ; u32 swapin_count ; struct timespec freepages_start ; struct timespec freepages_end ; u64 freepages_delay ; u32 freepages_count ; }; struct load_weight { unsigned long weight ; unsigned long inv_weight ; }; struct sched_avg { u32 runnable_avg_sum ; u32 runnable_avg_period ; u64 last_runnable_update ; s64 decay_count ; unsigned long load_avg_contrib ; }; 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 ; 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 mem_cgroup; struct memcg_batch_info { int do_batch ; struct mem_cgroup *memcg ; unsigned long nr_pages ; unsigned long memsw_nr_pages ; }; struct sched_class; struct css_set; struct compat_robust_list_head; 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 ; 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 hlist_head preempt_notifiers ; unsigned char fpu_counter ; unsigned int policy ; int nr_cpus_allowed ; cpumask_t cpus_allowed ; struct sched_info sched_info ; struct list_head tasks ; struct plist_node pushable_tasks ; struct mm_struct *mm ; struct mm_struct *active_mm ; unsigned char brk_randomized : 1 ; int exit_state ; int exit_code ; int exit_signal ; int pdeath_signal ; unsigned int jobctl ; unsigned int personality ; unsigned char did_exec : 1 ; unsigned char in_execve : 1 ; unsigned char in_iowait : 1 ; unsigned char no_new_privs : 1 ; unsigned char sched_reset_on_fork : 1 ; unsigned char sched_contributes_to_load : 1 ; pid_t pid ; pid_t tgid ; unsigned long stack_canary ; 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 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 ; struct timespec start_time ; struct timespec 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] ; int link_count ; int total_link_count ; struct sysv_sem sysvsem ; 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 plist_head pi_waiters ; 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 ; int numa_migrate_seq ; unsigned int numa_scan_period ; u64 node_stamp ; struct callback_head numa_work ; 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 long trace ; unsigned long trace_recursion ; struct memcg_batch_info memcg_batch ; unsigned int memcg_kmem_skip_account ; atomic_t ptrace_bp_refcnt ; struct uprobe_task *utask ; unsigned int sequential_io ; unsigned int sequential_io_avg ; }; struct vm_fault { unsigned int flags ; unsigned long pgoff ; void *virtual_address ; struct page *page ; }; 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 * ) ; int (*page_mkwrite)(struct vm_area_struct * , struct vm_fault * ) ; int (*access)(struct vm_area_struct * , unsigned long , void * , int , int ) ; int (*set_policy)(struct vm_area_struct * , struct mempolicy * ) ; struct mempolicy *(*get_policy)(struct vm_area_struct * , unsigned long ) ; int (*migrate)(struct vm_area_struct * , nodemask_t const * , nodemask_t const * , unsigned long ) ; int (*remap_pages)(struct vm_area_struct * , unsigned long , unsigned long , unsigned long ) ; }; struct kmem_cache_cpu { void **freelist ; unsigned long tid ; struct page *page ; struct page *partial ; unsigned int stat[26U] ; }; struct kmem_cache_order_objects { unsigned long x ; }; struct memcg_cache_params; struct kmem_cache_node; struct kmem_cache { struct kmem_cache_cpu *cpu_slab ; unsigned long flags ; unsigned long min_partial ; int size ; int object_size ; int offset ; int cpu_partial ; struct kmem_cache_order_objects oo ; struct kmem_cache_order_objects max ; struct kmem_cache_order_objects min ; gfp_t allocflags ; int refcount ; void (*ctor)(void * ) ; int inuse ; int align ; int reserved ; char const *name ; struct list_head list ; struct kobject kobj ; struct memcg_cache_params *memcg_params ; int max_attr_size ; int remote_node_defrag_ratio ; struct kmem_cache_node *node[1024U] ; }; struct __anonstruct_ldv_23945_176 { struct mem_cgroup *memcg ; struct list_head list ; struct kmem_cache *root_cache ; bool dead ; atomic_t nr_pages ; struct work_struct destroy ; }; union __anonunion_ldv_23946_175 { struct kmem_cache *memcg_caches[0U] ; struct __anonstruct_ldv_23945_176 ldv_23945 ; }; struct memcg_cache_params { bool is_root_cache ; union __anonunion_ldv_23946_175 ldv_23946 ; }; 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 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 iommu_ops; struct iommu_group; struct bus_attribute { struct attribute attr ; ssize_t (*show)(struct bus_type * , char * ) ; ssize_t (*store)(struct bus_type * , char const * , size_t ) ; }; struct device_attribute; struct driver_attribute; struct bus_type { char const *name ; char const *dev_name ; struct device *dev_root ; struct bus_attribute *bus_attrs ; struct device_attribute *dev_attrs ; struct driver_attribute *drv_attrs ; 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 (*suspend)(struct device * , pm_message_t ) ; int (*resume)(struct device * ) ; struct dev_pm_ops const *pm ; struct iommu_ops *iommu_ops ; struct subsys_private *p ; struct lock_class_key lock_key ; }; 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 ; 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 device_attribute *dev_attrs ; struct bin_attribute *dev_bin_attrs ; 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 ) ; void const *(*namespace)(struct class * , struct class_attribute const * ) ; }; 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 acpi_dev_node { void *handle ; }; struct dma_coherent_mem; 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 ; struct dev_pm_info power ; struct dev_pm_domain *pm_domain ; int numa_node ; u64 *dma_mask ; u64 coherent_dma_mask ; struct device_dma_parameters *dma_parms ; struct list_head dma_pools ; struct dma_coherent_mem *dma_mem ; struct dev_archdata archdata ; struct device_node *of_node ; struct acpi_dev_node acpi_node ; 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 ; }; struct wakeup_source { char const *name ; struct list_head entry ; spinlock_t lock ; 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 ; }; enum writeback_sync_modes { WB_SYNC_NONE = 0, WB_SYNC_ALL = 1 } ; struct writeback_control { long nr_to_write ; long pages_skipped ; loff_t range_start ; loff_t range_end ; enum writeback_sync_modes sync_mode ; unsigned char for_kupdate : 1 ; unsigned char for_background : 1 ; unsigned char tagged_writepages : 1 ; unsigned char for_reclaim : 1 ; unsigned char range_cyclic : 1 ; }; struct bdi_writeback; typedef int congested_fn(void * , int ); struct bdi_writeback { struct backing_dev_info *bdi ; unsigned int nr ; unsigned long last_old_flush ; struct delayed_work dwork ; struct list_head b_dirty ; struct list_head b_io ; struct list_head b_more_io ; spinlock_t list_lock ; }; struct backing_dev_info { struct list_head bdi_list ; unsigned long ra_pages ; unsigned long state ; unsigned int capabilities ; congested_fn *congested_fn ; void *congested_data ; char *name ; struct percpu_counter bdi_stat[4U] ; 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 ; unsigned int min_ratio ; unsigned int max_ratio ; unsigned int max_prop_frac ; struct bdi_writeback wb ; spinlock_t wb_lock ; struct list_head work_list ; 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_ldv_28055_186 { struct list_head q_node ; struct kmem_cache *__rcu_icq_cache ; }; union __anonunion_ldv_28059_187 { struct hlist_node ioc_node ; struct callback_head __rcu_head ; }; struct io_cq { struct request_queue *q ; struct io_context *ioc ; union __anonunion_ldv_28055_186 ldv_28055 ; union __anonunion_ldv_28059_187 ldv_28059 ; 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 ; sector_t bip_sector ; void *bip_buf ; bio_end_io_t *bip_end_io ; unsigned int bip_size ; unsigned short bip_slab ; unsigned short bip_vcnt ; unsigned short bip_idx ; unsigned char bip_owns_buf : 1 ; 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 elevator_queue; struct request; struct bsg_job; struct blkcg_gq; 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 ; }; enum rq_cmd_type_bits { REQ_TYPE_FS = 1, REQ_TYPE_BLOCK_PC = 2, REQ_TYPE_SENSE = 3, REQ_TYPE_PM_SUSPEND = 4, REQ_TYPE_PM_RESUME = 5, REQ_TYPE_PM_SHUTDOWN = 6, REQ_TYPE_SPECIAL = 7, REQ_TYPE_ATA_TASKFILE = 8, REQ_TYPE_ATA_PC = 9 } ; union __anonunion_ldv_28532_188 { struct rb_node rb_node ; void *completion_data ; }; struct __anonstruct_elv_190 { struct io_cq *icq ; void *priv[2U] ; }; struct __anonstruct_flush_191 { unsigned int seq ; struct list_head list ; rq_end_io_fn *saved_end_io ; }; union __anonunion_ldv_28543_189 { struct __anonstruct_elv_190 elv ; struct __anonstruct_flush_191 flush ; }; struct request { struct list_head queuelist ; struct call_single_data csd ; struct request_queue *q ; unsigned int cmd_flags ; enum rq_cmd_type_bits cmd_type ; unsigned long atomic_flags ; int cpu ; unsigned int __data_len ; sector_t __sector ; struct bio *bio ; struct bio *biotail ; struct hlist_node hash ; union __anonunion_ldv_28532_188 ldv_28532 ; union __anonunion_ldv_28543_189 ldv_28543 ; 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 ; int ref_count ; void *special ; char *buffer ; 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 ; }; 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 * ); typedef void elevator_exit_fn(struct elevator_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 ; }; 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 ; }; struct queue_limits { unsigned long bounce_pfn ; unsigned long seg_boundary_mask ; unsigned int max_hw_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 ; }; struct throtl_data; 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 ; 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 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 ; unsigned int flush_flags ; unsigned char flush_not_queueable : 1 ; unsigned char flush_queue_delayed : 1 ; unsigned char flush_pending_idx : 1 ; unsigned char flush_running_idx : 1 ; unsigned long flush_pending_since ; struct list_head flush_queue[2U] ; struct list_head flush_data_in_flight ; struct request flush_rq ; struct mutex sysfs_lock ; int bypass_depth ; bsg_job_fn *bsg_job_fn ; int bsg_job_size ; struct bsg_class_device bsg_dev ; struct list_head all_q_node ; struct throtl_data *td ; struct callback_head callback_head ; }; 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 { unsigned long magic ; struct list_head list ; struct list_head cb_list ; }; struct blk_integrity_exchg { void *prot_buf ; void *data_buf ; sector_t sector ; unsigned int data_size ; unsigned short sector_size ; char const *disk_name ; }; typedef void integrity_gen_fn(struct blk_integrity_exchg * ); typedef int integrity_vrfy_fn(struct blk_integrity_exchg * ); typedef void integrity_set_tag_fn(void * , void * , unsigned int ); typedef void integrity_get_tag_fn(void * , void * , unsigned int ); struct blk_integrity { integrity_gen_fn *generate_fn ; integrity_vrfy_fn *verify_fn ; integrity_set_tag_fn *set_tag_fn ; integrity_get_tag_fn *get_tag_fn ; unsigned short flags ; unsigned short tuple_size ; unsigned short sector_size ; 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 (*ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; int (*compat_ioctl)(struct block_device * , fmode_t , unsigned int , unsigned long ) ; int (*direct_access)(struct block_device * , sector_t , void ** , unsigned 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 idr_layer { int prefix ; unsigned long bitmap[4U] ; struct idr_layer *ary[256U] ; int count ; int layer ; struct callback_head callback_head ; }; struct idr { struct idr_layer *hint ; struct idr_layer *top ; struct idr_layer *id_free ; int layers ; int id_free_cnt ; int cur ; spinlock_t lock ; }; struct sg_table { struct scatterlist *sgl ; unsigned int nents ; unsigned int orig_nents ; }; struct scsi_cmnd; struct scsi_sense_hdr; 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 ; unsigned int device_busy ; 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 lun ; unsigned int channel ; 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 ; unsigned char current_tag ; struct scsi_target *sdev_target ; unsigned int sdev_bflags ; unsigned char writeable : 1 ; 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 ordered_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 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 ; atomic_t disk_events_disable_depth ; unsigned long supported_events[1U] ; struct list_head event_list ; struct work_struct event_work ; unsigned int device_blocked ; 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_dh_devlist { char *vendor ; char *model ; }; struct scsi_device_handler { struct list_head list ; struct module *module ; char const *name ; struct scsi_dh_devlist const *devlist ; int (*check_sense)(struct scsi_device * , struct scsi_sense_hdr * ) ; int (*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 ; char buf[0U] ; }; 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 ; unsigned int 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 int target_busy ; unsigned int can_queue ; unsigned int target_blocked ; unsigned int max_target_blocked ; char scsi_level ; struct execute_work ew ; enum scsi_target_state state ; void *hostdata ; unsigned long starget_data[0U] ; }; struct scsi_driver { struct module *owner ; struct device_driver gendrv ; void (*rescan)(struct device * ) ; int (*done)(struct scsi_cmnd * ) ; int (*eh_action)(struct scsi_cmnd * , unsigned char * , int , 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 ; 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 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 ; unsigned char tag ; }; struct scsi_sense_hdr { u8 response_code ; u8 sense_key ; u8 asc ; u8 ascq ; u8 byte4 ; u8 byte5 ; u8 byte6 ; u8 additional_length ; }; struct seq_file { char *buf ; size_t size ; size_t from ; size_t count ; loff_t index ; loff_t read_pos ; u64 version ; struct mutex lock ; struct seq_operations const *op ; int poll_event ; 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 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 (*transfer_response)(struct scsi_cmnd * , void (*)(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 ) ; int (*change_queue_type)(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 short max_sectors ; unsigned long dma_boundary ; short cmd_per_lun ; unsigned char present ; 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 ordered_tag : 1 ; unsigned int max_host_blocked ; struct device_attribute **shost_attrs ; struct device_attribute **sdev_attrs ; struct list_head legacy_hosts ; u64 vendor_id ; }; 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 } ; 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 ; struct blk_queue_tag *bqt ; unsigned int host_busy ; unsigned int host_failed ; unsigned int host_eh_scheduled ; unsigned int host_no ; int resetting ; unsigned long last_reset ; unsigned int max_id ; unsigned int max_lun ; unsigned int max_channel ; 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 short max_sectors ; unsigned long dma_boundary ; unsigned long cmd_serial_number ; unsigned char active_mode : 2 ; unsigned char unchecked_isa_dma : 1 ; unsigned char use_clustering : 1 ; unsigned char use_blk_tcq : 1 ; unsigned char host_self_blocked : 1 ; unsigned char reverse_ordering : 1 ; unsigned char ordered_tag : 1 ; unsigned char tmf_in_progress : 1 ; unsigned char async_scan : 1 ; unsigned char eh_noresume : 1 ; char work_q_name[20U] ; struct workqueue_struct *work_q ; unsigned int host_blocked ; 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 { 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 ; struct gendisk *disk ; struct kref kref ; }; struct st_reject_data { char *vendor ; char *model ; char *rev ; char *driver_hint ; }; typedef int ldv_func_ret_type___2; typedef int ldv_func_ret_type___8; typedef int ldv_func_ret_type___10; typedef int ldv_func_ret_type___12; long ldv__builtin_expect(long exp , long c ) ; extern struct module __this_module ; __inline static void set_bit(unsigned int 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(int 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(void) ; extern int sprintf(char * , char const * , ...) ; extern int snprintf(char * , size_t , char const * , ...) ; extern void __bad_percpu_size(void) ; 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_2869; case 2UL: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_2869; case 4UL: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_2869; case 8UL: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); goto ldv_2869; default: __bad_percpu_size(); } ldv_2869: ; 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 ) ; extern void warn_slowpath_fmt(char const * , int const , char const * , ...) ; extern void warn_slowpath_null(char const * , int const ) ; __inline static long PTR_ERR(void const *ptr ) { { return ((long )ptr); } } __inline static long IS_ERR(void const *ptr ) { long tmp ; { tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L); return (tmp); } } extern void __xadd_wrong_size(void) ; __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 ) { unsigned 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): "ir" (i): "memory"); return ((int )c); } } __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_5527; 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_5527; 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_5527; 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_5527; default: __xadd_wrong_size(); } ldv_5527: ; return (__ret + i); } } __inline static long atomic64_read(atomic64_t const *v ) { { return ((long )*((long volatile *)(& v->counter))); } } __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); } } extern int lock_is_held(struct lockdep_map * ) ; extern void __mutex_init(struct mutex * , char const * , struct lock_class_key * ) ; extern int mutex_trylock(struct mutex * ) ; int ldv_mutex_trylock_4(struct mutex *ldv_func_arg1 ) ; extern void mutex_unlock(struct mutex * ) ; void ldv_mutex_unlock_2(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_5(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_7(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_9(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_11(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_13(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_15(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_16(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_unlock_18(struct mutex *ldv_func_arg1 ) ; extern int mutex_lock_interruptible(struct mutex * ) ; int ldv_mutex_lock_interruptible_10(struct mutex *ldv_func_arg1 ) ; int ldv_mutex_lock_interruptible_12(struct mutex *ldv_func_arg1 ) ; int ldv_mutex_lock_interruptible_14(struct mutex *ldv_func_arg1 ) ; extern void mutex_lock(struct mutex * ) ; void ldv_mutex_lock_1(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_lock_3(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_lock_6(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_lock_8(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_lock_17(struct mutex *ldv_func_arg1 ) ; void ldv_mutex_lock_lock(struct mutex *lock ) ; void ldv_mutex_unlock_lock(struct mutex *lock ) ; int ldv_mutex_lock_interruptible_lock_of_scsi_tape(struct mutex *lock ) ; void ldv_mutex_unlock_lock_of_scsi_tape(struct mutex *lock ) ; void ldv_mutex_lock_mutex_of_device(struct mutex *lock ) ; int ldv_mutex_trylock_mutex_of_device(struct mutex *lock ) ; void ldv_mutex_unlock_mutex_of_device(struct mutex *lock ) ; void ldv_mutex_lock_st_ref_mutex(struct mutex *lock ) ; void ldv_mutex_unlock_st_ref_mutex(struct mutex *lock ) ; static char const *verstr = "20101219"; extern unsigned long kernel_stack ; __inline static struct thread_info *current_thread_info(void) { struct thread_info *ti ; unsigned long pfo_ret__ ; { switch (8UL) { case 1UL: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); goto ldv_6296; case 2UL: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); goto ldv_6296; case 4UL: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); goto ldv_6296; case 8UL: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); goto ldv_6296; default: __bad_percpu_size(); } ldv_6296: ti = (struct thread_info *)(pfo_ret__ - 8152UL); return (ti); } } __inline static int test_ti_thread_flag(struct thread_info *ti , int flag ) { int tmp ; { tmp = variable_test_bit(flag, (unsigned long const volatile *)(& ti->flags)); return (tmp); } } 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->ldv_6014.rlock); return; } } __inline static void spin_unlock(spinlock_t *lock ) { { _raw_spin_unlock(& lock->ldv_6014.rlock); return; } } extern void __init_waitqueue_head(wait_queue_head_t * , char const * , struct lock_class_key * ) ; extern void down_read(struct rw_semaphore * ) ; extern void up_read(struct rw_semaphore * ) ; __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 int rcu_is_cpu_idle(void) ; extern bool rcu_lockdep_current_cpu_online(void) ; extern struct lockdep_map rcu_lock_map ; extern int debug_lockdep_rcu_enabled(void) ; __inline static int rcu_read_lock_held(void) { int tmp ; int tmp___0 ; bool tmp___1 ; int tmp___2 ; int tmp___3 ; { tmp = debug_lockdep_rcu_enabled(); if (tmp == 0) { return (1); } else { } tmp___0 = rcu_is_cpu_idle(); if (tmp___0 != 0) { return (0); } else { } tmp___1 = rcu_lockdep_current_cpu_online(); if (tmp___1) { tmp___2 = 0; } else { tmp___2 = 1; } if (tmp___2) { return (0); } else { } tmp___3 = lock_is_held(& rcu_lock_map); return (tmp___3); } } 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 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", 46); } 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", 70); } 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 unsigned int iminor(struct inode const *inode ) { { return ((unsigned int )inode->i_rdev & 1048575U); } } extern int register_chrdev_region(dev_t , unsigned int , char const * ) ; extern void unregister_chrdev_region(dev_t , unsigned int ) ; __inline static struct inode *file_inode(struct file *f ) { { return (f->f_inode); } } extern loff_t noop_llseek(struct file * , loff_t , 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); } } __inline static void SetPageDirty(struct page *page ) { { set_bit(4U, (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(struct task_struct * , struct mm_struct * , unsigned long , unsigned long , int , int , struct page ** , struct vm_area_struct ** ) ; 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 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 * ) ; extern void device_unregister(struct device * ) ; extern void *dev_get_drvdata(struct device const * ) ; extern int dev_set_drvdata(struct device * , void * ) ; extern struct device *device_create(struct class * , struct device * , dev_t , void * , char const * , ...) ; extern int dev_printk(char const * , struct device const * , char const * , ...) ; extern struct gendisk *alloc_disk(int ) ; extern void put_disk(struct gendisk * ) ; extern unsigned long _copy_to_user(void * , void const * , unsigned int ) ; extern unsigned long _copy_from_user(void * , void const * , unsigned int ) ; __inline static unsigned long copy_from_user(void *to , void const *from , unsigned long n ) { int sz ; unsigned long tmp ; int __ret_warn_on ; long tmp___0 ; long tmp___1 ; long tmp___2 ; { tmp = __builtin_object_size((void const *)to, 0); sz = (int )tmp; might_fault(); tmp___1 = ldv__builtin_expect(sz == -1, 1L); if (tmp___1 != 0L) { n = _copy_from_user(to, from, (unsigned int )n); } else { tmp___2 = ldv__builtin_expect((unsigned long )sz >= n, 1L); if (tmp___2 != 0L) { n = _copy_from_user(to, from, (unsigned int )n); } else { __ret_warn_on = 1; tmp___0 = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp___0 != 0L) { warn_slowpath_fmt("/work/ldvuser/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/uaccess_64.h", 66, "Buffer overflow detected!\n"); } else { } ldv__builtin_expect(__ret_warn_on != 0, 0L); } } return (n); } } __inline static int copy_to_user(void *dst , void const *src , unsigned int size ) { unsigned long tmp ; { might_fault(); tmp = _copy_to_user(dst, src, size); return ((int )tmp); } } 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 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 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) { struct thread_info *tmp ; { __asm__ volatile ("": : : "memory"); tmp = current_thread_info(); tmp->preempt_count = tmp->preempt_count + -1; __asm__ volatile ("": : : "memory"); return; } } __inline static void *idr_find(struct idr *idr , int id ) { struct idr_layer *hint ; struct idr_layer *_________p1 ; bool __warned ; int tmp ; struct idr_layer *_________p1___0 ; bool __warned___0 ; int tmp___0 ; void *tmp___1 ; { _________p1 = *((struct idr_layer * volatile *)(& idr->hint)); tmp = debug_lockdep_rcu_enabled(); if (tmp != 0 && ! __warned) { rcu_read_lock_held(); } else { } hint = _________p1; if ((unsigned long )hint != (unsigned long )((struct idr_layer *)0) && (id & -256) == hint->prefix) { _________p1___0 = *((struct idr_layer * volatile *)(& hint->ary) + ((unsigned long )id & 255UL)); tmp___0 = debug_lockdep_rcu_enabled(); if (tmp___0 != 0 && ! __warned___0) { rcu_read_lock_held(); } else { } return ((void *)_________p1___0); } else { } tmp___1 = idr_find_slowpath(idr, id); return (tmp___1); } } extern unsigned long msleep_interruptible(unsigned int ) ; extern unsigned char const scsi_command_size_tbl[8U] ; extern void __scsi_print_sense(char const * , unsigned char const * , int ) ; extern int scsi_device_get(struct scsi_device * ) ; extern void scsi_device_put(struct scsi_device * ) ; 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 int scsi_normalize_sense(u8 const * , int , struct scsi_sense_hdr * ) ; 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(struct scsi_device * , int , void * ) ; extern int scsi_nonblockable_ioctl(struct scsi_device * , int , void * , int ) ; 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 struct class st_sysfs_class ; static struct device_attribute st_dev_attrs[6U] ; static char const *st_formats[16U] = { "", "r", "k", "s", "l", "t", "o", "u", "m", "v", "p", "x", "a", "y", "q", "z"}; static int debugging = 0; 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 = {& __this_module, {"st", 0, 0, 0, (_Bool)0, 0, 0, & st_probe, & st_remove, 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}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "st_ref_mutex.wait_lock", 0, 0UL}}}}, {& st_ref_mutex.wait_list, & st_ref_mutex.wait_list}, 0, 0, (void *)(& st_ref_mutex), {0, {0, 0}, "st_ref_mutex", 0, 0UL}}; static spinlock_t st_index_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "st_index_lock", 0, 0UL}}}}; static spinlock_t st_use_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "st_use_lock", 0, 0UL}}}}; static struct idr st_index_idr = {0, 0, 0, 0, 0, 0, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "st_index_idr.lock", 0, 0UL}}}}}; static struct scsi_tape *scsi_tape_get(int dev ) { struct scsi_tape *STp ; void *tmp ; int tmp___0 ; { STp = 0; ldv_mutex_lock_6(& st_ref_mutex); 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 = 0; out: spin_unlock(& st_index_lock); ldv_mutex_unlock_7(& st_ref_mutex); return (STp); } } static void scsi_tape_put(struct scsi_tape *STp ) { struct scsi_device *sdev ; { sdev = STp->device; ldv_mutex_lock_8(& st_ref_mutex); kref_put(& STp->kref, & scsi_tape_release); scsi_device_put(sdev); ldv_mutex_unlock_9(& 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"}, {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_32456; ldv_32455: 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_32456: ; if ((unsigned long )rp->vendor != (unsigned long )((char *)0)) { goto ldv_32455; } else { } return (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 ; int tmp ; { sense = (u8 const *)(& SRpnt->sense); s->have_sense = scsi_normalize_sense((u8 const *)(& SRpnt->sense), 96, & s->sense_hdr); s->flags = 0U; if (s->have_sense != 0) { s->deferred = 0U; tmp = scsi_get_sense_info_fld(sense, 96, & s->uremainder64); s->remainder_valid = (u8 )tmp; 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_32469; 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 *)0) ? (unsigned int )((u8 )*(ucp + 3UL)) & 224U : 0U; goto ldv_32469; } ldv_32469: ; } else { } return; } } static int st_chk_result(struct scsi_tape *STp , struct st_request *SRpnt ) { int result ; u8 scode ; char *name ; char *tmp ; struct st_cmdstatus *cmdstatp ; { 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) { if (cmdstatp->have_sense == 0) { printk("\f%s: Error %x (driver bt 0x%x, host bt 0x%x).\n", name, 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((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 ((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 ; struct task_struct *tmp___0 ; int tmp___1 ; { 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 = get_current(); tmp___1 = signal_pending(tmp___0); if (tmp___1 != 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_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; 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 ; size_t __len ; void *__ret ; { mdata = & ((SRpnt->stp)->buffer)->map_data; err = 0; write = data_direction == 1; req = blk_get_request(((SRpnt->stp)->device)->request_queue, write, 208U); if ((unsigned long )req == (unsigned long )((struct request *)0)) { return (67108864); } else { } req->cmd_type = 2; req->cmd_flags = req->cmd_flags | 8388608U; mdata->null_mapped = 1; if (bufflen != 0U) { err = blk_rq_map_user(req->q, req, mdata, 0, (unsigned long )bufflen, 208U); if (err != 0) { blk_put_request(req); return (67108864); } else { } } else { } 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); __len = (size_t )req->cmd_len; __ret = __builtin_memcpy((void *)req->cmd, (void const *)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, 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 ; size_t __len ; void *__ret ; { 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); printk("\v%s: Async command already active.\n", tmp); 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 (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 (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; } __len = 16UL; if (__len > 63UL) { __ret = __memcpy((void *)(& SRpnt->cmd), (void const *)cmd, __len); } else { __ret = __builtin_memcpy((void *)(& SRpnt->cmd), (void const *)cmd, __len); } (STp->buffer)->cmdstat.have_sense = 0; (STp->buffer)->syscall_result = 0; ret = st_scsi_execute(SRpnt, (unsigned char const *)cmd, direction, 0, (unsigned int )bytes, timeout, retries); if (ret != 0) { (STp->buffer)->syscall_result = -16; (STp->buffer)->last_SRpnt = 0; } else if (do_wait != 0) { wait_for_completion(waiting); SRpnt->waiting = 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 ; { retval = 0; STbuffer = STp->buffer; if (STbuffer->writing == 0) { return (0); } else { } wait_for_completion(& STp->wait); SRpnt = STbuffer->last_SRpnt; STbuffer->last_SRpnt = 0; SRpnt->waiting = 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; return (retval); } } static int cross_eof(struct scsi_tape *STp , int forward ) { struct st_request *SRpnt ; unsigned char cmd[16U] ; char *tmp ; { 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; SRpnt = st_do_scsi(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 = 0; if ((STp->buffer)->cmdstat.midlevel_result != 0) { tmp = tape_name(STp); printk("\v%s: Stepping over filemark %s failed.\n", tmp, 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 ; struct st_cmdstatus *cmdstatp ; char *tmp ; { result = write_behind_check(STp); if (result != 0) { return (result); } else { } result = 0; if ((unsigned int )STp->dirty == 1U) { transfer = (STp->buffer)->buffer_bytes; 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(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 = tape_name(STp); printk("\v%s: Error on flush.\n", tmp); 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 = 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 *name ; char *tmp ; int tmp___0 ; { set_it = 0; tmp = tape_name(STp); name = tmp; 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) { printk("\f%s: Can\'t set default block size to %d bytes and density %x.\n", name, 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 ; int cmd ; { cmd = do_lock != 0 ? 21376 : 21377; retval = scsi_ioctl(STp->device, cmd, 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_32577; ldv_32576: 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_32577: ; if (i <= 3) { goto ldv_32576; } 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 = 0; cmdstatp = & (STp->buffer)->cmdstat; max_wait = do_wait != 0 ? 120 : 0; waits = 0; attentions = waits; ldv_32594: 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_32592; } 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_32593; } else { retval = -5; goto ldv_32592; } } else { } if (scode == 2) { if (waits < max_wait) { tmp = msleep_interruptible(1000U); if (tmp != 0UL) { retval = -4; goto ldv_32592; } else { } waits = waits + 1; goto ldv_32593; } else { if ((int )((signed char )(STp->device)->scsi_level) > 2 && (unsigned int )cmdstatp->sense_hdr.asc == 58U) { retval = 3; } else { retval = 2; } goto ldv_32592; } } else { } } else { } retval = (STp->buffer)->syscall_result; if (retval == 0) { retval = new_session != 0; } else { } goto ldv_32592; ldv_32593: ; goto ldv_32594; ldv_32592: ; 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 ; char *name ; char *tmp ; struct inode *inode ; struct inode *tmp___0 ; int mode ; unsigned int tmp___1 ; int tmp___2 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; int tmp___6 ; int tmp___7 ; int tmp___8 ; unsigned char tmp___9 ; int tmp___10 ; { new_session = 0; st_flags = (unsigned short )filp->f_flags; SRpnt = 0; tmp = tape_name(STp); name = tmp; tmp___0 = file_inode(filp); inode = tmp___0; tmp___1 = iminor((struct inode const *)inode); mode = (int )((tmp___1 & 96U) >> 5); STp->ready = 0U; if (STp->current_mode != mode) { 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_32614; ldv_32613: 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_32614: ; if (i <= 3) { goto ldv_32613; } 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 ((unsigned int )STp->inited == 0U) { printk("\016%s: Block limits %d - %d bytes.\n", name, STp->min_block, STp->max_block); } else { } } else { tmp___6 = -1; STp->max_block = tmp___6; STp->min_block = tmp___6; } } 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) { STp->block_size = 0; (STp->buffer)->syscall_result = 0; STp->drv_write_prot = 0U; } 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); } 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) { printk("\f%s: non-buffered tape: disabling writing immediate filemarks\n", name); STp->immediate_filemark = 0U; } else { } } st_release_request(SRpnt); SRpnt = 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___7 = 0; (STp->buffer)->read_pointer = tmp___7; (STp->buffer)->buffer_bytes = tmp___7; if ((unsigned int )STp->drv_write_prot != 0U) { STp->write_prot = 1U; 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) { tmp___8 = find_partition(STp); STp->partition = tmp___8; if (tmp___8 < 0) { retval = STp->partition; goto err_out; } else { } STp->new_partition = STp->partition; STp->nbr_partitions = 1; } else { } if (new_session != 0) { tmp___9 = 0U; STp->blksize_changed = tmp___9; STp->density_changed = tmp___9; 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___10 = st_int_ioctl(STp, 24U, (unsigned long )STp->default_drvbuffer); if (tmp___10 != 0) { printk("\f%s: Can\'t set default drive buffering to %d.\n", name, (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 *name ; unsigned char tmp___1 ; unsigned int tmp___2 ; int tmp___3 ; int tmp___4 ; int tmp___5 ; { 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; name = tape_name(STp); spin_lock(& st_use_lock); if ((unsigned int )STp->in_use != 0U) { spin_unlock(& st_use_lock); scsi_tape_put(STp); return (-16); } else { } STp->in_use = 1U; spin_unlock(& st_use_lock); tmp___2 = iminor((struct inode const *)inode); tmp___1 = (tmp___2 & 128U) == 0U; STp->autorew_dev = tmp___1; STp->rew_at_close = tmp___1; tmp___3 = scsi_autopm_get_device(STp->device); if (tmp___3 < 0) { retval = -5; goto err_out; } else { } resumed = 1; tmp___4 = scsi_block_when_processing_errors(STp->device); if (tmp___4 == 0) { retval = -6; goto err_out; } else { } tmp___5 = enlarge_buffer(STp->buffer, 4096, (int )STp->restr_dma); if (tmp___5 == 0) { printk("\f%s: Can\'t allocate one page tape buffer.\n", name); 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_32629; ldv_32628: STps = (struct st_partstat *)(& STp->ps) + (unsigned long )i; STps->rw = 0U; i = i + 1; ldv_32629: ; if (i <= 3) { goto ldv_32628; } else { } STp->try_dio_now = STp->try_dio; STp->recover_count = 0; 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 ; char *name ; char *tmp ; long tmp___0 ; struct st_cmdstatus *cmdstatp ; { 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 = tape_name(STp); name = tmp; tmp___0 = atomic_long_read(& filp->f_count); if (tmp___0 > 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 (result == 0) { result = result2; } else { } goto out; } else { } } else { } if ((unsigned int )STps->rw == 2U && (unsigned int )STp->pos_unknown == 0U) { cmdstatp = & (STp->buffer)->cmdstat; 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(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 = 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 = 0; printk("\v%s: Error on write filemark.\n", name); if (result == 0) { result = -5; } 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 ; int tmp___0 ; int tmp___1 ; { 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->can_partitions != 0U) { tmp___0 = switch_partition(STp); retval = (ssize_t )tmp___0; 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___1 = do_door_lock(STp, 1); if (tmp___1 == 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; } else { STbp->do_dio = 0U; } } else { STbp->do_dio = 0U; } 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); printk("\f%s: Can\'t allocate %d byte tape buffer.\n", tmp___0, 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 ; char *name ; char *tmp ; int tmp___0 ; int tmp___1 ; int tmp___2 ; int tmp___3 ; int tmp___4 ; unsigned long tmp___5 ; unsigned long tmp___6 ; int tmp___7 ; int tmp___8 ; struct st_cmdstatus *cmdstatp ; { retry_eot = 0; SRpnt = 0; STp = (struct scsi_tape *)filp->private_data; tmp = tape_name(STp); name = tmp; tmp___0 = ldv_mutex_lock_interruptible_10(& STp->lock); if (tmp___0 != 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) { printk("\f%s: Write not multiple of tape block size.\n", name); 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___3 = st_compression(STp, (unsigned int )STm->default_compression == 2U); if (tmp___3 != 0) { printk("\f%s: Can\'t set default compression.\n", name); if (modes_defined != 0) { retval = -22L; goto out; } else { } } else { } } else { } } else { } STbp = STp->buffer; tmp___4 = write_behind_check(STp); i = (ssize_t )tmp___4; 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___5 = copy_from_user((void *)(& i), (void const *)buf, 1UL); if (tmp___5 != 0UL) { retval = -14L; goto out; } else { tmp___6 = copy_from_user((void *)(& i), (void const *)(buf + (count + 0xffffffffffffffffUL)), 1UL); if (tmp___6 != 0UL) { retval = -14L; goto out; } else { } } } else { } tmp___7 = setup_buffering(STp, buf, count, 0); retval = (ssize_t )tmp___7; 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_32703; ldv_32702: ; 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___8 = append_to_buffer(b_point, STbp, (int )do_count); i = (ssize_t )tmp___8; 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_32699; } 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 = 0; goto ldv_32699; } else { } if (STbp->syscall_result != 0) { cmdstatp = & (STp->buffer)->cmdstat; 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 { } } 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; 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; } } 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_32703: ; if (count != 0UL && retry_eot == 0) { goto ldv_32702; } else { } ldv_32699: ; 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); ldv_mutex_unlock_11(& 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 ; char *name ; char *tmp ; struct st_cmdstatus *cmdstatp ; struct st_request *tmp___0 ; int tmp___1 ; { retval = 0; tmp = tape_name(STp); name = tmp; 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 (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) { if (transfer <= 0) { if (transfer < 0) { printk("\r%s: Failed to read %d byte block with %d byte transfer.\n", name, bytes - transfer, bytes); } else { } if (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + 1; } else { } STbp->buffer_bytes = 0; return (-12L); } else { } STbp->buffer_bytes = bytes - transfer; } else { st_release_request(SRpnt); tmp___0 = 0; *aSRpnt = tmp___0; SRpnt = tmp___0; if (transfer == blks) { printk("\r%s: Incorrect block size.\n", name); 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 (STps->drv_block >= 0) { STps->drv_block = STps->drv_block + 1; } else { } tmp___1 = st_int_ioctl(STp, 4U, 1UL); if (tmp___1 != 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; } } 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; } } else { } } else { STps->drv_block = -1; if ((unsigned int )STps->eof == 2U && (unsigned int )cmdstatp->sense_hdr.sense_key == 8U) { 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 ; int tmp___1 ; unsigned long tmp___2 ; int tmp___3 ; unsigned long tmp___4 ; int tmp___5 ; long tmp___6 ; int tmp___7 ; { retval = 0L; do_dio = 0; SRpnt = 0; STp = (struct scsi_tape *)filp->private_data; STbp = STp->buffer; tmp = ldv_mutex_lock_interruptible_12(& STp->lock); 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 { } tmp___1 = setup_buffering(STp, (char const *)buf, count, 1); retval = (ssize_t )tmp___1; 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___2 = copy_from_user((void *)(& i), (void const *)buf, 1UL); if (tmp___2 != 0UL) { retval = -14L; goto out; } else { tmp___3 = copy_to_user((void *)buf, (void const *)(& i), 1U); if (tmp___3 != 0) { retval = -14L; goto out; } else { tmp___4 = copy_from_user((void *)(& i), (void const *)(buf + (count + 0xffffffffffffffffUL)), 1UL); if (tmp___4 != 0UL) { retval = -14L; goto out; } else { tmp___5 = copy_to_user((void *)(buf + (count + 0xffffffffffffffffUL)), (void const *)(& i), 1U); if (tmp___5 != 0) { retval = -14L; goto out; } else { } } } } } else { } STps->rw = 1U; total = 0L; special = 0; goto ldv_32740; ldv_32739: ; if (STbp->buffer_bytes == 0) { tmp___6 = read_tape(STp, (long )(count - (unsigned long )total), & SRpnt); special = (int )tmp___6; if (special < 0) { retval = (ssize_t )special; goto out; } else { } } else { } if (STbp->buffer_bytes > 0) { 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___7 = from_buffer(STbp, buf, (int )transfer); i = (ssize_t )tmp___7; 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_32738; } else { } ldv_32740: ; if ((unsigned long )total < count && special == 0) { goto ldv_32739; } else { } ldv_32738: ; 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 = 0; } else { } if (do_dio != 0) { release_buffering(STp, 1); STbp->buffer_bytes = 0; } else { } ldv_mutex_unlock_13(& STp->lock); return (retval); } } static int st_set_options(struct scsi_tape *STp , long options ) { int value ; long code ; struct st_modedef *STm ; char *name ; char *tmp ; struct cdev *cd0 ; struct cdev *cd1 ; size_t __len ; void *__ret ; { tmp = tape_name(STp); name = tmp; 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]; __len = 56UL; if (__len > 63UL) { __ret = __memcpy((void *)STm, (void const *)(& STp->modes), __len); } else { __ret = __builtin_memcpy((void *)STm, (void const *)(& STp->modes), __len); } STm->cdevs[0] = cd0; STm->cdevs[1] = cd1; modes_defined = 1; } 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; } 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 { } } else if (code == 536870912L) { } else if (code == 1342177280L) { value = (int )options & 268435455; if (value == 268435455) { STm->default_blksize = -1; } else { STm->default_blksize = value; 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; } else { blk_queue_rq_timeout((STp->device)->request_queue, (unsigned int )(value * 250)); } } 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); printk("\016%s: Cleaning request mode %d, mask %02x, value %02x\n", name, 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; } else { STm->default_density = (int )((short )value) & 255; 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; } else { STp->default_drvbuffer = (unsigned int )((unsigned char )value) & 7U; 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; } else { if ((value & 65280) != 0) { STp->c_algo = (unsigned char )((value & 65280) >> 8); } else { } if ((value & 255) != 255) { STm->default_compression = value & 1 ? 2U : 1U; 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(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(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 ; { 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) { return (-5); } else { } mpoffs = (int )*(b_data + 3UL) + 4; if (((int )*(b_data + ((unsigned long )mpoffs + 2UL)) & 64) == 0) { 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) { return (-5); } 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 ; int tmp ; { 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) { 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; } SRpnt = st_do_scsi(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 = -1; STps->drv_block = tmp; STps->drv_file = tmp; } return (retval); } } 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 ; char *name ; char *tmp ; int __ret_warn_on ; long tmp___0 ; int tmp___1 ; struct st_cmdstatus *cmdstatp ; int tmp___2 ; { chg_eof = 1; datalen = 0; direction = 3; tmp = tape_name(STp); name = tmp; __ret_warn_on = (unsigned int )(STp->buffer)->do_dio != 0U; tmp___0 = ldv__builtin_expect(__ret_warn_on != 0, 0L); if (tmp___0 != 0L) { warn_slowpath_null("/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/4984/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/st.c.prepared", 2661); } 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; if (fileno >= 0) { fileno = (int )((unsigned int )arg + (unsigned int )fileno); } else { } blkno = 0; at_sm = (arg == 0UL) & at_sm; goto ldv_32810; 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; if (fileno >= 0) { fileno = (int )((unsigned int )fileno - (unsigned int )arg); } else { } blkno = -1; at_sm = (arg == 0UL) & at_sm; goto ldv_32810; 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; if (blkno >= 0) { blkno = (int )((unsigned int )arg + (unsigned int )blkno); } else { } at_sm = (arg == 0UL) & at_sm; goto ldv_32810; 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; if (blkno >= 0) { blkno = (int )((unsigned int )blkno - (unsigned int )arg); } else { } at_sm = (arg == 0UL) & at_sm; goto ldv_32810; 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; if (arg != 0UL) { fileno = -1; blkno = fileno; at_sm = 1; } else { } goto ldv_32810; 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; if (arg != 0UL) { fileno = -1; blkno = fileno; at_sm = 1; } else { } goto ldv_32810; 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 (fileno >= 0) { fileno = (int )((unsigned int )arg + (unsigned int )fileno); } else { } blkno = 0; at_sm = cmd_in == 27U; goto ldv_32810; case 6U: cmd[0] = 1U; if ((unsigned int )STp->immediate != 0U) { cmd[1] = 1U; timeout = (int )((STp->device)->request_queue)->rq_timeout; } else { } at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_32810; case 8U: ; 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; at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_32810; 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; blkno = -1; at_sm = 0; goto ldv_32810; 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; } at_sm = 0; blkno = at_sm; fileno = blkno; goto ldv_32810; 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)) { printk("\f%s: Illegal block size.\n", name); 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; goto ldv_32810; default: ; return (-38); } ldv_32810: SRpnt = st_do_scsi(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 = 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___1 = 0; (STp->buffer)->read_pointer = tmp___1; (STp->buffer)->buffer_bytes = tmp___1; 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 = 0; tmp___2 = st_int_ioctl(STp, cmd_in, arg); return (tmp___2); } 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 = 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 ; int tmp ; { 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(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; 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; STp->ps[0].drv_file = tmp; STp->ps[0].drv_block = tmp; } else { } } } st_release_request(SRpnt); SRpnt = 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 ; int tmp ; int tmp___0 ; int tmp___1 ; { if ((unsigned int )STp->ready != 0U) { return (-5); } else { } timeout = STp->long_timeout; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; if (((unsigned int )STp->can_partitions == 0U && partition != 0) || partition > 3) { return (-22); } else { } if (STp->partition != partition) { tmp = get_location(STp, & blk, & p, 1); if (tmp != 0) { STps->last_block_valid = 0U; } else { STps->last_block_valid = 1U; STps->last_block_visited = blk; } } 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; } 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(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___0 = -1; STps->drv_file = tmp___0; STps->drv_block = tmp___0; 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___1 = 0; STps->drv_file = tmp___1; STps->drv_block = tmp___1; } else { } result = 0; } st_release_request(SRpnt); SRpnt = 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 ; { if ((unsigned int )STp->ready != 0U) { return (-5); } else { } result = read_mode_page(STp, 17, 1); if (result != 0) { result = -5; } else { result = (int )*((STp->buffer)->b_data + 7UL) + 1; } return (result); } } static int partition_tape(struct scsi_tape *STp , int size ) { char *name ; char *tmp ; int result ; int pgo ; int psd_cnt ; int psdo ; unsigned char *bp ; unsigned char tmp___0 ; { tmp = tape_name(STp); name = tmp; result = read_mode_page(STp, 17, 0); if (result != 0) { return (result); } else { } bp = (STp->buffer)->b_data; pgo = (int )*(bp + 3UL) + 4; psd_cnt = ((int )*(bp + ((unsigned long )pgo + 1UL)) + -6) / 2; psdo = pgo + 8; if ((int )*(bp + ((unsigned long )pgo + 2UL)) < psd_cnt) { tmp___0 = 255U; *(bp + ((unsigned long )psdo + 1UL)) = tmp___0; *(bp + (unsigned long )psdo) = tmp___0; psdo = psdo + 2; } else { } memset((void *)bp + (unsigned long )psdo, 0, (size_t )((int )*(bp + ((unsigned long )pgo + 3UL)) * 2)); 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 { } } 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 { } } *(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) { printk("\016%s: Partitioning of tape failed.\n", name); 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 ; char *name ; char *tmp ; void *p ; int tmp___0 ; int tmp___1 ; struct mtop mtc ; unsigned long 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 ; struct mtpos mt_pos ; bool tmp___8 ; int tmp___9 ; { retval = 0; STp = (struct scsi_tape *)file->private_data; tmp = tape_name(STp); name = tmp; p = (void *)arg; tmp___0 = ldv_mutex_lock_interruptible_14(& STp->lock); if (tmp___0 != 0) { return (-512L); } else { } STm = (struct st_modedef *)(& STp->modes) + (unsigned long )STp->current_mode; STps = (struct st_partstat *)(& STp->ps) + (unsigned long )STp->partition; retval = scsi_nonblockable_ioctl(STp->device, (int )cmd_in, p, (int )file->f_flags & 2048); tmp___1 = scsi_block_when_processing_errors(STp->device); if (tmp___1 == 0 || retval != -19) { goto out; } else { } retval = 0; 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___2 = copy_from_user((void *)(& mtc), (void const *)p, 8UL); i = (int )tmp___2; 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) { printk("\f%s: MTSETDRVBUFFER only allowed for root.\n", name); 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_32896; ldv_32895: STp->ps[i].rw = 0U; STp->ps[i].at_sm = 0U; STp->ps[i].last_block_valid = 0U; i = i + 1; ldv_32896: ; if (i <= 3) { goto ldv_32895; } 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 { } i = copy_to_user(p, (void const *)(& mt_status), 48U); 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; i = copy_to_user(p, (void const *)(& mt_pos), 8U); if (i != 0) { retval = -14; } else { } goto out; } else { } ldv_mutex_unlock_15(& STp->lock); switch (cmd_in) { case 21378U: ; case 21382U: ; goto ldv_32905; default: ; if ((cmd_in == 8837U || cmd_in == 1U) || cmd_in == 21395U) { tmp___8 = capable(17); if (tmp___8) { tmp___9 = 0; } else { tmp___9 = 1; } if (tmp___9) { 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_32905; } ldv_32905: 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: ldv_mutex_unlock_16(& 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 (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 (0); } else { } return (tb); } } static int enlarge_buffer(struct st_buffer *STbuffer , int new_size , int need_dma ) { int segs ; int nbr ; 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; nbr = max_segs - (int )STbuffer->frp_segs; if (nbr <= 0) { return (0); } else { } 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_32933; ldv_32932: order = order + 1; b_size = b_size * 2; ldv_32933: ; if (order <= 5 && (unsigned long )max_segs * (4096UL << order) < (unsigned long )new_size) { goto ldv_32932; } 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_32937; ldv_32936: page = alloc_pages(priority, (unsigned int )order); if ((unsigned long )page == (unsigned long )((struct page *)0)) { 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_32937: ; if (segs < max_segs && got < new_size) { goto ldv_32936; } 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_32944; ldv_32943: 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_32944: ; if ((int )st_bp->frp_segs > i) { goto ldv_32943; } 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_32952; ldv_32951: __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_32952: ; if ((int )STbuffer->frp_segs > i) { goto ldv_32951; } 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_32965; ldv_32964: offset = offset - length; i = i + 1; ldv_32965: ; if ((int )st_bp->frp_segs > i && offset >= length) { goto ldv_32964; } else { } if ((int )st_bp->frp_segs == i) { printk("\fst: append_to_buffer offset overflow.\n"); return (-5); } else { } goto ldv_32969; ldv_32968: 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_32969: ; if ((int )st_bp->frp_segs > i && do_count > 0) { goto ldv_32968; } 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 ; { length = (int )(4096UL << st_bp->reserved_page_order); i = 0; offset = st_bp->read_pointer; goto ldv_32982; ldv_32981: offset = offset - length; i = i + 1; ldv_32982: ; if ((int )st_bp->frp_segs > i && offset >= length) { goto ldv_32981; } else { } if ((int )st_bp->frp_segs == i) { printk("\fst: from_buffer offset overflow.\n"); return (-5); } else { } goto ldv_32986; ldv_32985: 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); res = copy_to_user((void *)ubp, (void const *)tmp + (unsigned long )offset, (unsigned int )cnt); 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_32986: ; if ((int )st_bp->frp_segs > i && do_count > 0) { goto ldv_32985; } 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_33001; ldv_33000: src_offset = offset; if (src_offset < length) { goto ldv_32999; } else { } offset = offset - length; src_seg = src_seg + 1; ldv_33001: ; if ((int )st_bp->frp_segs > src_seg) { goto ldv_33000; } else { } ldv_32999: tmp = total; st_bp->read_pointer = tmp; st_bp->buffer_bytes = tmp; dst_offset = 0; dst_seg = dst_offset; goto ldv_33008; ldv_33007: 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_33008: ; if (total > 0) { goto ldv_33007; } 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, & 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 ; long 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 (tmp___0 != 0L) { 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] = 0; out: ; return (error); } } static int create_cdevs(struct scsi_tape *tape ) { int mode ; int error ; int tmp ; { mode = 0; goto ldv_33035; ldv_33034: 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_33035: ; if (mode <= 3) { goto ldv_33034; } 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_33047; ldv_33046: STm = (struct st_modedef *)(& tape->modes) + (unsigned long )mode; rew = 0; goto ldv_33044; ldv_33043: ; 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_33044: ; if (rew <= 1) { goto ldv_33043; } else { } mode = mode + 1; ldv_33047: ; if (mode <= 3) { goto ldv_33046; } 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 ; char *tmp___5 ; int tmp___6 ; char *tmp___7 ; { __mptr = (struct device const *)dev; SDp = (struct scsi_device *)__mptr + 0xfffffffffffffe50UL; disk = 0; tpnt = 0; if ((int )((signed char )SDp->type) != 1) { return (-19); } else { } stp = st_incompatible(SDp); if ((unsigned long )stp != (unsigned long )((char *)0)) { dev_printk("\016", (struct device const *)(& SDp->sdev_gendev), "Found incompatible tape\n"); printk("\016st: The suggested driver is %s.\n", stp); return (-19); } else { } 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)) { printk("\vst: 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)) { printk("\vst: out of memory. Device not attached.\n"); goto out_buffer_free; } else { } tmp___0 = kzalloc(688UL, 32U); tpnt = (struct scsi_tape *)tmp___0; if ((unsigned long )tpnt == (unsigned long )((struct scsi_tape *)0)) { printk("\vst: 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 = 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 + 624UL) == 0U); i = 0; goto ldv_33067; ldv_33066: 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_33067: ; if (i <= 3) { goto ldv_33066; } else { } i = 0; goto ldv_33070; ldv_33069: 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_33070: ; if (i <= 3) { goto ldv_33069; } 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); dev_set_drvdata(dev, (void *)tpnt); error = create_cdevs(tpnt); if (error != 0) { goto out_remove_devs; } else { } scsi_autopm_put_device(SDp); tmp___5 = tape_name(tpnt); dev_printk("\r", (struct device const *)(& SDp->sdev_gendev), "Attached scsi tape %s\n", tmp___5); tmp___6 = queue_dma_alignment(SDp->request_queue); tmp___7 = tape_name(tpnt); dev_printk("\016", (struct device const *)(& SDp->sdev_gendev), "%s: try direct i/o: %s (alignment %d B)\n", tmp___7, (unsigned int )tpnt->try_dio != 0U ? (char *)"yes" : (char *)"no", tmp___6 + 1); return (0); out_remove_devs: remove_cdevs(tpnt); 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: ; 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 + 0xfffffffffffffe50UL); remove_cdevs(tpnt); ldv_mutex_lock_17(& st_ref_mutex); kref_put(& tpnt->kref, & scsi_tape_release); ldv_mutex_unlock_18(& 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 + 0xfffffffffffffd58UL; disk = tpnt->disk; tpnt->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 = 0; put_disk(disk); kfree((void const *)tpnt); return; } } static struct class st_sysfs_class = {"scsi_tape", 0, 0, (struct device_attribute *)(& st_dev_attrs), 0, 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); 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, 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, 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, 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, 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 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 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 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 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 = ((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 st_dev_attrs[6U] = { {{"defined", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & defined_show, 0}, {{"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}, {{"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}, {{"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}, {{"options", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & options_show, 0}, {{0, (unsigned short)0, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, 0, 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 ; struct task_struct *tmp___2 ; long tmp___3 ; struct task_struct *tmp___4 ; { 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(); down_read(& (tmp___0->mm)->mmap_sem); tmp___1 = get_current(); tmp___2 = get_current(); tmp___3 = get_user_pages(tmp___2, tmp___1->mm, uaddr, (unsigned long )nr_pages, rw == 0, 0, pages, 0); res = (int )tmp___3; tmp___4 = get_current(); up_read(& (tmp___4->mm)->mmap_sem); if (res < nr_pages) { goto out_unmap; } else { } i = 0; goto ldv_33200; ldv_33199: i = i + 1; ldv_33200: ; if (i < nr_pages) { goto ldv_33199; } else { } mdata->offset = uaddr & 4095UL; STbp->mapped_pages = pages; return (nr_pages); out_unmap: ; if (res > 0) { j = 0; goto ldv_33203; ldv_33202: put_page(*(pages + (unsigned long )j)); j = j + 1; ldv_33203: ; if (j < res) { goto ldv_33202; } 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_33213; ldv_33212: page = *(STbp->mapped_pages + (unsigned long )i); if (dirtied != 0) { SetPageDirty(page); } else { } put_page(page); i = i + 1; ldv_33213: ; if ((unsigned int )i < (unsigned int )nr_pages) { goto ldv_33212; } else { } kfree((void const *)STbp->mapped_pages); STbp->mapped_pages = 0; return (0); } } void ldv_check_final_state(void) ; extern void ldv_check_return_value(int ) ; extern void ldv_check_return_value_probe(int ) ; void ldv_initialize(void) ; extern void ldv_handler_precall(void) ; extern int __VERIFIER_nondet_int(void) ; int LDV_IN_INTERRUPT ; int main(void) { struct device *var_group1 ; int res_st_probe_57 ; struct file *var_group2 ; char *var_st_read_28_p1 ; size_t var_st_read_28_p2 ; loff_t *var_st_read_28_p3 ; ssize_t res_st_read_28 ; char const *var_st_write_26_p1 ; size_t var_st_write_26_p2 ; loff_t *var_st_write_26_p3 ; ssize_t res_st_write_26 ; unsigned int var_st_ioctl_43_p1 ; unsigned long var_st_ioctl_43_p2 ; unsigned int var_st_compat_ioctl_44_p1 ; unsigned long var_st_compat_ioctl_44_p2 ; struct inode *var_group3 ; int res_st_open_20 ; fl_owner_t var_st_flush_21_p1 ; int ldv_s_st_template_scsi_driver ; int ldv_s_st_fops_file_operations ; int tmp ; int tmp___0 ; int tmp___1 ; { ldv_s_st_template_scsi_driver = 0; ldv_s_st_fops_file_operations = 0; LDV_IN_INTERRUPT = 1; ldv_initialize(); ldv_handler_precall(); tmp = init_st(); if (tmp != 0) { goto ldv_final; } else { } goto ldv_33265; ldv_33264: tmp___0 = __VERIFIER_nondet_int(); switch (tmp___0) { case 0: ; if (ldv_s_st_template_scsi_driver == 0) { res_st_probe_57 = st_probe(var_group1); ldv_check_return_value(res_st_probe_57); ldv_check_return_value_probe(res_st_probe_57); if (res_st_probe_57 != 0) { goto ldv_module_exit; } else { } ldv_s_st_template_scsi_driver = ldv_s_st_template_scsi_driver + 1; } else { } goto ldv_33254; case 1: ; if (ldv_s_st_template_scsi_driver == 1) { ldv_handler_precall(); st_remove(var_group1); ldv_s_st_template_scsi_driver = 0; } else { } goto ldv_33254; case 2: ; if (ldv_s_st_fops_file_operations == 0) { ldv_handler_precall(); res_st_open_20 = st_open(var_group3, var_group2); ldv_check_return_value(res_st_open_20); if (res_st_open_20 != 0) { goto ldv_module_exit; } else { } ldv_s_st_fops_file_operations = ldv_s_st_fops_file_operations + 1; } else { } goto ldv_33254; case 3: ; if (ldv_s_st_fops_file_operations == 1) { ldv_handler_precall(); res_st_read_28 = st_read(var_group2, var_st_read_28_p1, var_st_read_28_p2, var_st_read_28_p3); ldv_check_return_value((int )res_st_read_28); if (res_st_read_28 < 0L) { goto ldv_module_exit; } else { } ldv_s_st_fops_file_operations = ldv_s_st_fops_file_operations + 1; } else { } goto ldv_33254; case 4: ; if (ldv_s_st_fops_file_operations == 2) { ldv_handler_precall(); res_st_write_26 = st_write(var_group2, var_st_write_26_p1, var_st_write_26_p2, var_st_write_26_p3); ldv_check_return_value((int )res_st_write_26); if (res_st_write_26 < 0L) { goto ldv_module_exit; } else { } ldv_s_st_fops_file_operations = ldv_s_st_fops_file_operations + 1; } else { } goto ldv_33254; case 5: ; if (ldv_s_st_fops_file_operations == 3) { ldv_handler_precall(); st_release(var_group3, var_group2); ldv_s_st_fops_file_operations = 0; } else { } goto ldv_33254; case 6: ldv_handler_precall(); st_ioctl(var_group2, var_st_ioctl_43_p1, var_st_ioctl_43_p2); goto ldv_33254; case 7: ldv_handler_precall(); st_compat_ioctl(var_group2, var_st_compat_ioctl_44_p1, var_st_compat_ioctl_44_p2); goto ldv_33254; case 8: ldv_handler_precall(); st_flush(var_group2, var_st_flush_21_p1); goto ldv_33254; default: ; goto ldv_33254; } ldv_33254: ; ldv_33265: tmp___1 = __VERIFIER_nondet_int(); if ((tmp___1 != 0 || ldv_s_st_template_scsi_driver != 0) || ldv_s_st_fops_file_operations != 0) { goto ldv_33264; } else { } ldv_module_exit: ldv_handler_precall(); exit_st(); ldv_final: ldv_check_final_state(); return 0; } } void ldv_mutex_lock_1(struct mutex *ldv_func_arg1 ) { { ldv_mutex_lock_lock(ldv_func_arg1); mutex_lock(ldv_func_arg1); return; } } void ldv_mutex_unlock_2(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_lock(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } void ldv_mutex_lock_3(struct mutex *ldv_func_arg1 ) { { ldv_mutex_lock_mutex_of_device(ldv_func_arg1); mutex_lock(ldv_func_arg1); return; } } int ldv_mutex_trylock_4(struct mutex *ldv_func_arg1 ) { ldv_func_ret_type___2 ldv_func_res ; int tmp ; int tmp___0 ; { tmp = mutex_trylock(ldv_func_arg1); ldv_func_res = tmp; tmp___0 = ldv_mutex_trylock_mutex_of_device(ldv_func_arg1); return (tmp___0); return (ldv_func_res); } } void ldv_mutex_unlock_5(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_mutex_of_device(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } void ldv_mutex_lock_6(struct mutex *ldv_func_arg1 ) { { ldv_mutex_lock_st_ref_mutex(ldv_func_arg1); mutex_lock(ldv_func_arg1); return; } } void ldv_mutex_unlock_7(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_st_ref_mutex(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } void ldv_mutex_lock_8(struct mutex *ldv_func_arg1 ) { { ldv_mutex_lock_st_ref_mutex(ldv_func_arg1); mutex_lock(ldv_func_arg1); return; } } void ldv_mutex_unlock_9(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_st_ref_mutex(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } int ldv_mutex_lock_interruptible_10(struct mutex *ldv_func_arg1 ) { ldv_func_ret_type___8 ldv_func_res ; int tmp ; int tmp___0 ; { tmp = mutex_lock_interruptible(ldv_func_arg1); ldv_func_res = tmp; tmp___0 = ldv_mutex_lock_interruptible_lock_of_scsi_tape(ldv_func_arg1); return (tmp___0); return (ldv_func_res); } } void ldv_mutex_unlock_11(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_lock_of_scsi_tape(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } int ldv_mutex_lock_interruptible_12(struct mutex *ldv_func_arg1 ) { ldv_func_ret_type___10 ldv_func_res ; int tmp ; int tmp___0 ; { tmp = mutex_lock_interruptible(ldv_func_arg1); ldv_func_res = tmp; tmp___0 = ldv_mutex_lock_interruptible_lock_of_scsi_tape(ldv_func_arg1); return (tmp___0); return (ldv_func_res); } } void ldv_mutex_unlock_13(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_lock_of_scsi_tape(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } int ldv_mutex_lock_interruptible_14(struct mutex *ldv_func_arg1 ) { ldv_func_ret_type___12 ldv_func_res ; int tmp ; int tmp___0 ; { tmp = mutex_lock_interruptible(ldv_func_arg1); ldv_func_res = tmp; tmp___0 = ldv_mutex_lock_interruptible_lock_of_scsi_tape(ldv_func_arg1); return (tmp___0); return (ldv_func_res); } } void ldv_mutex_unlock_15(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_lock_of_scsi_tape(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } void ldv_mutex_unlock_16(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_lock_of_scsi_tape(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } void ldv_mutex_lock_17(struct mutex *ldv_func_arg1 ) { { ldv_mutex_lock_st_ref_mutex(ldv_func_arg1); mutex_lock(ldv_func_arg1); return; } } void ldv_mutex_unlock_18(struct mutex *ldv_func_arg1 ) { { ldv_mutex_unlock_st_ref_mutex(ldv_func_arg1); mutex_unlock(ldv_func_arg1); return; } } __inline static void ldv_error(void) __attribute__((__no_instrument_function__)) ; __inline static void ldv_error(void) { { ERROR: __VERIFIER_error(); } } extern int __VERIFIER_nondet_int(void) ; long ldv__builtin_expect(long exp , long c ) { { return (exp); } } static int ldv_mutex_lock ; int ldv_mutex_lock_interruptible_lock(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_lock = 2; return (0); } else { return (-4); } } } int ldv_mutex_lock_killable_lock(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_lock = 2; return (0); } else { return (-4); } } } void ldv_mutex_lock_lock(struct mutex *lock ) { { if (ldv_mutex_lock == 1) { } else { ldv_error(); } ldv_mutex_lock = 2; return; } } int ldv_mutex_trylock_lock(struct mutex *lock ) { int is_mutex_held_by_another_thread ; { if (ldv_mutex_lock == 1) { } else { ldv_error(); } is_mutex_held_by_another_thread = __VERIFIER_nondet_int(); if (is_mutex_held_by_another_thread) { return (0); } else { ldv_mutex_lock = 2; return (1); } } } int ldv_atomic_dec_and_mutex_lock_lock(atomic_t *cnt , struct mutex *lock ) { int atomic_value_after_dec ; { if (ldv_mutex_lock == 1) { } else { ldv_error(); } atomic_value_after_dec = __VERIFIER_nondet_int(); if (atomic_value_after_dec == 0) { ldv_mutex_lock = 2; return (1); } else { } return (0); } } int ldv_mutex_is_locked_lock(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock == 1) { nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { return (0); } else { return (1); } } else { return (1); } } } void ldv_mutex_unlock_lock(struct mutex *lock ) { { if (ldv_mutex_lock == 2) { } else { ldv_error(); } ldv_mutex_lock = 1; return; } } static int ldv_mutex_lock_of_scsi_tape ; int ldv_mutex_lock_interruptible_lock_of_scsi_tape(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_lock_of_scsi_tape = 2; return (0); } else { return (-4); } } } int ldv_mutex_lock_killable_lock_of_scsi_tape(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_lock_of_scsi_tape = 2; return (0); } else { return (-4); } } } void ldv_mutex_lock_lock_of_scsi_tape(struct mutex *lock ) { { if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } ldv_mutex_lock_of_scsi_tape = 2; return; } } int ldv_mutex_trylock_lock_of_scsi_tape(struct mutex *lock ) { int is_mutex_held_by_another_thread ; { if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } is_mutex_held_by_another_thread = __VERIFIER_nondet_int(); if (is_mutex_held_by_another_thread) { return (0); } else { ldv_mutex_lock_of_scsi_tape = 2; return (1); } } } int ldv_atomic_dec_and_mutex_lock_lock_of_scsi_tape(atomic_t *cnt , struct mutex *lock ) { int atomic_value_after_dec ; { if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } atomic_value_after_dec = __VERIFIER_nondet_int(); if (atomic_value_after_dec == 0) { ldv_mutex_lock_of_scsi_tape = 2; return (1); } else { } return (0); } } int ldv_mutex_is_locked_lock_of_scsi_tape(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_lock_of_scsi_tape == 1) { nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { return (0); } else { return (1); } } else { return (1); } } } void ldv_mutex_unlock_lock_of_scsi_tape(struct mutex *lock ) { { if (ldv_mutex_lock_of_scsi_tape == 2) { } else { ldv_error(); } ldv_mutex_lock_of_scsi_tape = 1; return; } } static int ldv_mutex_mutex_of_device ; int ldv_mutex_lock_interruptible_mutex_of_device(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_mutex_of_device = 2; return (0); } else { return (-4); } } } int ldv_mutex_lock_killable_mutex_of_device(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_mutex_of_device = 2; return (0); } else { return (-4); } } } void ldv_mutex_lock_mutex_of_device(struct mutex *lock ) { { if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } ldv_mutex_mutex_of_device = 2; return; } } int ldv_mutex_trylock_mutex_of_device(struct mutex *lock ) { int is_mutex_held_by_another_thread ; { if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } is_mutex_held_by_another_thread = __VERIFIER_nondet_int(); if (is_mutex_held_by_another_thread) { return (0); } else { ldv_mutex_mutex_of_device = 2; return (1); } } } int ldv_atomic_dec_and_mutex_lock_mutex_of_device(atomic_t *cnt , struct mutex *lock ) { int atomic_value_after_dec ; { if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } atomic_value_after_dec = __VERIFIER_nondet_int(); if (atomic_value_after_dec == 0) { ldv_mutex_mutex_of_device = 2; return (1); } else { } return (0); } } int ldv_mutex_is_locked_mutex_of_device(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_mutex_of_device == 1) { nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { return (0); } else { return (1); } } else { return (1); } } } void ldv_mutex_unlock_mutex_of_device(struct mutex *lock ) { { if (ldv_mutex_mutex_of_device == 2) { } else { ldv_error(); } ldv_mutex_mutex_of_device = 1; return; } } static int ldv_mutex_st_ref_mutex ; int ldv_mutex_lock_interruptible_st_ref_mutex(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_st_ref_mutex = 2; return (0); } else { return (-4); } } } int ldv_mutex_lock_killable_st_ref_mutex(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { ldv_mutex_st_ref_mutex = 2; return (0); } else { return (-4); } } } void ldv_mutex_lock_st_ref_mutex(struct mutex *lock ) { { if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } ldv_mutex_st_ref_mutex = 2; return; } } int ldv_mutex_trylock_st_ref_mutex(struct mutex *lock ) { int is_mutex_held_by_another_thread ; { if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } is_mutex_held_by_another_thread = __VERIFIER_nondet_int(); if (is_mutex_held_by_another_thread) { return (0); } else { ldv_mutex_st_ref_mutex = 2; return (1); } } } int ldv_atomic_dec_and_mutex_lock_st_ref_mutex(atomic_t *cnt , struct mutex *lock ) { int atomic_value_after_dec ; { if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } atomic_value_after_dec = __VERIFIER_nondet_int(); if (atomic_value_after_dec == 0) { ldv_mutex_st_ref_mutex = 2; return (1); } else { } return (0); } } int ldv_mutex_is_locked_st_ref_mutex(struct mutex *lock ) { int nondetermined ; { if (ldv_mutex_st_ref_mutex == 1) { nondetermined = __VERIFIER_nondet_int(); if (nondetermined) { return (0); } else { return (1); } } else { return (1); } } } void ldv_mutex_unlock_st_ref_mutex(struct mutex *lock ) { { if (ldv_mutex_st_ref_mutex == 2) { } else { ldv_error(); } ldv_mutex_st_ref_mutex = 1; return; } } void ldv_initialize(void) { { ldv_mutex_lock = 1; ldv_mutex_lock_of_scsi_tape = 1; ldv_mutex_mutex_of_device = 1; ldv_mutex_st_ref_mutex = 1; return; } } void ldv_check_final_state(void) { { if (ldv_mutex_lock == 1) { } else { ldv_error(); } if (ldv_mutex_lock_of_scsi_tape == 1) { } else { ldv_error(); } if (ldv_mutex_mutex_of_device == 1) { } else { ldv_error(); } if (ldv_mutex_st_ref_mutex == 1) { } else { ldv_error(); } return; } }