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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
*/
#ifndef _LINUX_BPF_H
#define _LINUX_BPF_H 1
#include <uapi/linux/bpf.h>
#include <uapi/linux/filter.h>
#include <linux/workqueue.h>
#include <linux/file.h>
#include <linux/percpu.h>
#include <linux/err.h>
#include <linux/rbtree_latch.h>
#include <linux/numa.h>
#include <linux/mm_types.h>
#include <linux/wait.h>
#include <linux/refcount.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/capability.h>
#include <linux/sched/mm.h>
#include <linux/slab.h>
#include <linux/percpu-refcount.h>
#include <linux/stddef.h>
#include <linux/bpfptr.h>
#include <linux/btf.h>
#include <linux/rcupdate_trace.h>
#include <linux/static_call.h>
#include <linux/memcontrol.h>
#include <linux/cfi.h>
struct bpf_verifier_env;
struct bpf_verifier_log;
struct perf_event;
struct bpf_prog;
struct bpf_prog_aux;
struct bpf_map;
struct bpf_arena;
struct sock;
struct seq_file;
struct btf;
struct btf_type;
struct exception_table_entry;
struct seq_operations;
struct bpf_iter_aux_info;
struct bpf_local_storage;
struct bpf_local_storage_map;
struct kobject;
struct mem_cgroup;
struct module;
struct bpf_func_state;
struct ftrace_ops;
struct cgroup;
struct bpf_token;
struct user_namespace;
struct super_block;
struct inode;
extern struct idr btf_idr;
extern spinlock_t btf_idr_lock;
extern struct kobject *btf_kobj;
extern struct bpf_mem_alloc bpf_global_ma, bpf_global_percpu_ma;
extern bool bpf_global_ma_set;
typedef u64 (*bpf_callback_t)(u64, u64, u64, u64, u64);
typedef int (*bpf_iter_init_seq_priv_t)(void *private_data,
struct bpf_iter_aux_info *aux);
typedef void (*bpf_iter_fini_seq_priv_t)(void *private_data);
typedef unsigned int (*bpf_func_t)(const void *,
const struct bpf_insn *);
struct bpf_iter_seq_info {
const struct seq_operations *seq_ops;
bpf_iter_init_seq_priv_t init_seq_private;
bpf_iter_fini_seq_priv_t fini_seq_private;
u32 seq_priv_size;
};
/* map is generic key/value storage optionally accessible by eBPF programs */
struct bpf_map_ops {
/* funcs callable from userspace (via syscall) */
int (*map_alloc_check)(union bpf_attr *attr);
struct bpf_map *(*map_alloc)(union bpf_attr *attr);
void (*map_release)(struct bpf_map *map, struct file *map_file);
void (*map_free)(struct bpf_map *map);
int (*map_get_next_key)(struct bpf_map *map, void *key, void *next_key);
void (*map_release_uref)(struct bpf_map *map);
void *(*map_lookup_elem_sys_only)(struct bpf_map *map, void *key);
int (*map_lookup_batch)(struct bpf_map *map, const union bpf_attr *attr,
union bpf_attr __user *uattr);
int (*map_lookup_and_delete_elem)(struct bpf_map *map, void *key,
void *value, u64 flags);
int (*map_lookup_and_delete_batch)(struct bpf_map *map,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
int (*map_update_batch)(struct bpf_map *map, struct file *map_file,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
int (*map_delete_batch)(struct bpf_map *map, const union bpf_attr *attr,
union bpf_attr __user *uattr);
/* funcs callable from userspace and from eBPF programs */
void *(*map_lookup_elem)(struct bpf_map *map, void *key);
long (*map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags);
long (*map_delete_elem)(struct bpf_map *map, void *key);
long (*map_push_elem)(struct bpf_map *map, void *value, u64 flags);
long (*map_pop_elem)(struct bpf_map *map, void *value);
long (*map_peek_elem)(struct bpf_map *map, void *value);
void *(*map_lookup_percpu_elem)(struct bpf_map *map, void *key, u32 cpu);
/* funcs called by prog_array and perf_event_array map */
void *(*map_fd_get_ptr)(struct bpf_map *map, struct file *map_file,
int fd);
/* If need_defer is true, the implementation should guarantee that
* the to-be-put element is still alive before the bpf program, which
* may manipulate it, exists.
*/
void (*map_fd_put_ptr)(struct bpf_map *map, void *ptr, bool need_defer);
int (*map_gen_lookup)(struct bpf_map *map, struct bpf_insn *insn_buf);
u32 (*map_fd_sys_lookup_elem)(void *ptr);
void (*map_seq_show_elem)(struct bpf_map *map, void *key,
struct seq_file *m);
int (*map_check_btf)(const struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
/* Prog poke tracking helpers. */
int (*map_poke_track)(struct bpf_map *map, struct bpf_prog_aux *aux);
void (*map_poke_untrack)(struct bpf_map *map, struct bpf_prog_aux *aux);
void (*map_poke_run)(struct bpf_map *map, u32 key, struct bpf_prog *old,
struct bpf_prog *new);
/* Direct value access helpers. */
int (*map_direct_value_addr)(const struct bpf_map *map,
u64 *imm, u32 off);
int (*map_direct_value_meta)(const struct bpf_map *map,
u64 imm, u32 *off);
int (*map_mmap)(struct bpf_map *map, struct vm_area_struct *vma);
__poll_t (*map_poll)(struct bpf_map *map, struct file *filp,
struct poll_table_struct *pts);
unsigned long (*map_get_unmapped_area)(struct file *filep, unsigned long addr,
unsigned long len, unsigned long pgoff,
unsigned long flags);
/* Functions called by bpf_local_storage maps */
int (*map_local_storage_charge)(struct bpf_local_storage_map *smap,
void *owner, u32 size);
void (*map_local_storage_uncharge)(struct bpf_local_storage_map *smap,
void *owner, u32 size);
struct bpf_local_storage __rcu ** (*map_owner_storage_ptr)(void *owner);
/* Misc helpers.*/
long (*map_redirect)(struct bpf_map *map, u64 key, u64 flags);
/* map_meta_equal must be implemented for maps that can be
* used as an inner map. It is a runtime check to ensure
* an inner map can be inserted to an outer map.
*
* Some properties of the inner map has been used during the
* verification time. When inserting an inner map at the runtime,
* map_meta_equal has to ensure the inserting map has the same
* properties that the verifier has used earlier.
*/
bool (*map_meta_equal)(const struct bpf_map *meta0,
const struct bpf_map *meta1);
int (*map_set_for_each_callback_args)(struct bpf_verifier_env *env,
struct bpf_func_state *caller,
struct bpf_func_state *callee);
long (*map_for_each_callback)(struct bpf_map *map,
bpf_callback_t callback_fn,
void *callback_ctx, u64 flags);
u64 (*map_mem_usage)(const struct bpf_map *map);
/* BTF id of struct allocated by map_alloc */
int *map_btf_id;
/* bpf_iter info used to open a seq_file */
const struct bpf_iter_seq_info *iter_seq_info;
};
enum {
/* Support at most 11 fields in a BTF type */
BTF_FIELDS_MAX = 11,
};
enum btf_field_type {
BPF_SPIN_LOCK = (1 << 0),
BPF_TIMER = (1 << 1),
BPF_KPTR_UNREF = (1 << 2),
BPF_KPTR_REF = (1 << 3),
BPF_KPTR_PERCPU = (1 << 4),
BPF_KPTR = BPF_KPTR_UNREF | BPF_KPTR_REF | BPF_KPTR_PERCPU,
BPF_LIST_HEAD = (1 << 5),
BPF_LIST_NODE = (1 << 6),
BPF_RB_ROOT = (1 << 7),
BPF_RB_NODE = (1 << 8),
BPF_GRAPH_NODE = BPF_RB_NODE | BPF_LIST_NODE,
BPF_GRAPH_ROOT = BPF_RB_ROOT | BPF_LIST_HEAD,
BPF_REFCOUNT = (1 << 9),
BPF_WORKQUEUE = (1 << 10),
BPF_UPTR = (1 << 11),
};
typedef void (*btf_dtor_kfunc_t)(void *);
struct btf_field_kptr {
struct btf *btf;
struct module *module;
/* dtor used if btf_is_kernel(btf), otherwise the type is
* program-allocated, dtor is NULL, and __bpf_obj_drop_impl is used
*/
btf_dtor_kfunc_t dtor;
u32 btf_id;
};
struct btf_field_graph_root {
struct btf *btf;
u32 value_btf_id;
u32 node_offset;
struct btf_record *value_rec;
};
struct btf_field {
u32 offset;
u32 size;
enum btf_field_type type;
union {
struct btf_field_kptr kptr;
struct btf_field_graph_root graph_root;
};
};
struct btf_record {
u32 cnt;
u32 field_mask;
int spin_lock_off;
int timer_off;
int wq_off;
int refcount_off;
struct btf_field fields[];
};
/* Non-opaque version of bpf_rb_node in uapi/linux/bpf.h */
struct bpf_rb_node_kern {
struct rb_node rb_node;
void *owner;
} __attribute__((aligned(8)));
/* Non-opaque version of bpf_list_node in uapi/linux/bpf.h */
struct bpf_list_node_kern {
struct list_head list_head;
void *owner;
} __attribute__((aligned(8)));
struct bpf_map {
const struct bpf_map_ops *ops;
struct bpf_map *inner_map_meta;
#ifdef CONFIG_SECURITY
void *security;
#endif
enum bpf_map_type map_type;
u32 key_size;
u32 value_size;
u32 max_entries;
u64 map_extra; /* any per-map-type extra fields */
u32 map_flags;
u32 id;
struct btf_record *record;
int numa_node;
u32 btf_key_type_id;
u32 btf_value_type_id;
u32 btf_vmlinux_value_type_id;
struct btf *btf;
#ifdef CONFIG_MEMCG
struct obj_cgroup *objcg;
#endif
char name[BPF_OBJ_NAME_LEN];
struct mutex freeze_mutex;
atomic64_t refcnt;
atomic64_t usercnt;
/* rcu is used before freeing and work is only used during freeing */
union {
struct work_struct work;
struct rcu_head rcu;
};
atomic64_t writecnt;
/* 'Ownership' of program-containing map is claimed by the first program
* that is going to use this map or by the first program which FD is
* stored in the map to make sure that all callers and callees have the
* same prog type, JITed flag and xdp_has_frags flag.
*/
struct {
const struct btf_type *attach_func_proto;
spinlock_t lock;
enum bpf_prog_type type;
bool jited;
bool xdp_has_frags;
} owner;
bool bypass_spec_v1;
bool frozen; /* write-once; write-protected by freeze_mutex */
bool free_after_mult_rcu_gp;
bool free_after_rcu_gp;
atomic64_t sleepable_refcnt;
s64 __percpu *elem_count;
};
static inline const char *btf_field_type_name(enum btf_field_type type)
{
switch (type) {
case BPF_SPIN_LOCK:
return "bpf_spin_lock";
case BPF_TIMER:
return "bpf_timer";
case BPF_WORKQUEUE:
return "bpf_wq";
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
return "kptr";
case BPF_KPTR_PERCPU:
return "percpu_kptr";
case BPF_UPTR:
return "uptr";
case BPF_LIST_HEAD:
return "bpf_list_head";
case BPF_LIST_NODE:
return "bpf_list_node";
case BPF_RB_ROOT:
return "bpf_rb_root";
case BPF_RB_NODE:
return "bpf_rb_node";
case BPF_REFCOUNT:
return "bpf_refcount";
default:
WARN_ON_ONCE(1);
return "unknown";
}
}
static inline u32 btf_field_type_size(enum btf_field_type type)
{
switch (type) {
case BPF_SPIN_LOCK:
return sizeof(struct bpf_spin_lock);
case BPF_TIMER:
return sizeof(struct bpf_timer);
case BPF_WORKQUEUE:
return sizeof(struct bpf_wq);
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
case BPF_KPTR_PERCPU:
case BPF_UPTR:
return sizeof(u64);
case BPF_LIST_HEAD:
return sizeof(struct bpf_list_head);
case BPF_LIST_NODE:
return sizeof(struct bpf_list_node);
case BPF_RB_ROOT:
return sizeof(struct bpf_rb_root);
case BPF_RB_NODE:
return sizeof(struct bpf_rb_node);
case BPF_REFCOUNT:
return sizeof(struct bpf_refcount);
default:
WARN_ON_ONCE(1);
return 0;
}
}
static inline u32 btf_field_type_align(enum btf_field_type type)
{
switch (type) {
case BPF_SPIN_LOCK:
return __alignof__(struct bpf_spin_lock);
case BPF_TIMER:
return __alignof__(struct bpf_timer);
case BPF_WORKQUEUE:
return __alignof__(struct bpf_wq);
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
case BPF_KPTR_PERCPU:
case BPF_UPTR:
return __alignof__(u64);
case BPF_LIST_HEAD:
return __alignof__(struct bpf_list_head);
case BPF_LIST_NODE:
return __alignof__(struct bpf_list_node);
case BPF_RB_ROOT:
return __alignof__(struct bpf_rb_root);
case BPF_RB_NODE:
return __alignof__(struct bpf_rb_node);
case BPF_REFCOUNT:
return __alignof__(struct bpf_refcount);
default:
WARN_ON_ONCE(1);
return 0;
}
}
static inline void bpf_obj_init_field(const struct btf_field *field, void *addr)
{
memset(addr, 0, field->size);
switch (field->type) {
case BPF_REFCOUNT:
refcount_set((refcount_t *)addr, 1);
break;
case BPF_RB_NODE:
RB_CLEAR_NODE((struct rb_node *)addr);
break;
case BPF_LIST_HEAD:
case BPF_LIST_NODE:
INIT_LIST_HEAD((struct list_head *)addr);
break;
case BPF_RB_ROOT:
/* RB_ROOT_CACHED 0-inits, no need to do anything after memset */
case BPF_SPIN_LOCK:
case BPF_TIMER:
case BPF_WORKQUEUE:
case BPF_KPTR_UNREF:
case BPF_KPTR_REF:
case BPF_KPTR_PERCPU:
case BPF_UPTR:
break;
default:
WARN_ON_ONCE(1);
return;
}
}
static inline bool btf_record_has_field(const struct btf_record *rec, enum btf_field_type type)
{
if (IS_ERR_OR_NULL(rec))
return false;
return rec->field_mask & type;
}
static inline void bpf_obj_init(const struct btf_record *rec, void *obj)
{
int i;
if (IS_ERR_OR_NULL(rec))
return;
for (i = 0; i < rec->cnt; i++)
bpf_obj_init_field(&rec->fields[i], obj + rec->fields[i].offset);
}
/* 'dst' must be a temporary buffer and should not point to memory that is being
* used in parallel by a bpf program or bpf syscall, otherwise the access from
* the bpf program or bpf syscall may be corrupted by the reinitialization,
* leading to weird problems. Even 'dst' is newly-allocated from bpf memory
* allocator, it is still possible for 'dst' to be used in parallel by a bpf
* program or bpf syscall.
*/
static inline void check_and_init_map_value(struct bpf_map *map, void *dst)
{
bpf_obj_init(map->record, dst);
}
/* memcpy that is used with 8-byte aligned pointers, power-of-8 size and
* forced to use 'long' read/writes to try to atomically copy long counters.
* Best-effort only. No barriers here, since it _will_ race with concurrent
* updates from BPF programs. Called from bpf syscall and mostly used with
* size 8 or 16 bytes, so ask compiler to inline it.
*/
static inline void bpf_long_memcpy(void *dst, const void *src, u32 size)
{
const long *lsrc = src;
long *ldst = dst;
size /= sizeof(long);
while (size--)
data_race(*ldst++ = *lsrc++);
}
/* copy everything but bpf_spin_lock, bpf_timer, and kptrs. There could be one of each. */
static inline void bpf_obj_memcpy(struct btf_record *rec,
void *dst, void *src, u32 size,
bool long_memcpy)
{
u32 curr_off = 0;
int i;
if (IS_ERR_OR_NULL(rec)) {
if (long_memcpy)
bpf_long_memcpy(dst, src, round_up(size, 8));
else
memcpy(dst, src, size);
return;
}
for (i = 0; i < rec->cnt; i++) {
u32 next_off = rec->fields[i].offset;
u32 sz = next_off - curr_off;
memcpy(dst + curr_off, src + curr_off, sz);
curr_off += rec->fields[i].size + sz;
}
memcpy(dst + curr_off, src + curr_off, size - curr_off);
}
static inline void copy_map_value(struct bpf_map *map, void *dst, void *src)
{
bpf_obj_memcpy(map->record, dst, src, map->value_size, false);
}
static inline void copy_map_value_long(struct bpf_map *map, void *dst, void *src)
{
bpf_obj_memcpy(map->record, dst, src, map->value_size, true);
}
static inline void bpf_obj_swap_uptrs(const struct btf_record *rec, void *dst, void *src)
{
unsigned long *src_uptr, *dst_uptr;
const struct btf_field *field;
int i;
if (!btf_record_has_field(rec, BPF_UPTR))
return;
for (i = 0, field = rec->fields; i < rec->cnt; i++, field++) {
if (field->type != BPF_UPTR)
continue;
src_uptr = src + field->offset;
dst_uptr = dst + field->offset;
swap(*src_uptr, *dst_uptr);
}
}
static inline void bpf_obj_memzero(struct btf_record *rec, void *dst, u32 size)
{
u32 curr_off = 0;
int i;
if (IS_ERR_OR_NULL(rec)) {
memset(dst, 0, size);
return;
}
for (i = 0; i < rec->cnt; i++) {
u32 next_off = rec->fields[i].offset;
u32 sz = next_off - curr_off;
memset(dst + curr_off, 0, sz);
curr_off += rec->fields[i].size + sz;
}
memset(dst + curr_off, 0, size - curr_off);
}
static inline void zero_map_value(struct bpf_map *map, void *dst)
{
bpf_obj_memzero(map->record, dst, map->value_size);
}
void copy_map_value_locked(struct bpf_map *map, void *dst, void *src,
bool lock_src);
void bpf_timer_cancel_and_free(void *timer);
void bpf_wq_cancel_and_free(void *timer);
void bpf_list_head_free(const struct btf_field *field, void *list_head,
struct bpf_spin_lock *spin_lock);
void bpf_rb_root_free(const struct btf_field *field, void *rb_root,
struct bpf_spin_lock *spin_lock);
u64 bpf_arena_get_kern_vm_start(struct bpf_arena *arena);
u64 bpf_arena_get_user_vm_start(struct bpf_arena *arena);
int bpf_obj_name_cpy(char *dst, const char *src, unsigned int size);
struct bpf_offload_dev;
struct bpf_offloaded_map;
struct bpf_map_dev_ops {
int (*map_get_next_key)(struct bpf_offloaded_map *map,
void *key, void *next_key);
int (*map_lookup_elem)(struct bpf_offloaded_map *map,
void *key, void *value);
int (*map_update_elem)(struct bpf_offloaded_map *map,
void *key, void *value, u64 flags);
int (*map_delete_elem)(struct bpf_offloaded_map *map, void *key);
};
struct bpf_offloaded_map {
struct bpf_map map;
struct net_device *netdev;
const struct bpf_map_dev_ops *dev_ops;
void *dev_priv;
struct list_head offloads;
};
static inline struct bpf_offloaded_map *map_to_offmap(struct bpf_map *map)
{
return container_of(map, struct bpf_offloaded_map, map);
}
static inline bool bpf_map_offload_neutral(const struct bpf_map *map)
{
return map->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY;
}
static inline bool bpf_map_support_seq_show(const struct bpf_map *map)
{
return (map->btf_value_type_id || map->btf_vmlinux_value_type_id) &&
map->ops->map_seq_show_elem;
}
int map_check_no_btf(const struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
bool bpf_map_meta_equal(const struct bpf_map *meta0,
const struct bpf_map *meta1);
extern const struct bpf_map_ops bpf_map_offload_ops;
/* bpf_type_flag contains a set of flags that are applicable to the values of
* arg_type, ret_type and reg_type. For example, a pointer value may be null,
* or a memory is read-only. We classify types into two categories: base types
* and extended types. Extended types are base types combined with a type flag.
*
* Currently there are no more than 32 base types in arg_type, ret_type and
* reg_types.
*/
#define BPF_BASE_TYPE_BITS 8
enum bpf_type_flag {
/* PTR may be NULL. */
PTR_MAYBE_NULL = BIT(0 + BPF_BASE_TYPE_BITS),
/* MEM is read-only. When applied on bpf_arg, it indicates the arg is
* compatible with both mutable and immutable memory.
*/
MEM_RDONLY = BIT(1 + BPF_BASE_TYPE_BITS),
/* MEM points to BPF ring buffer reservation. */
MEM_RINGBUF = BIT(2 + BPF_BASE_TYPE_BITS),
/* MEM is in user address space. */
MEM_USER = BIT(3 + BPF_BASE_TYPE_BITS),
/* MEM is a percpu memory. MEM_PERCPU tags PTR_TO_BTF_ID. When tagged
* with MEM_PERCPU, PTR_TO_BTF_ID _cannot_ be directly accessed. In
* order to drop this tag, it must be passed into bpf_per_cpu_ptr()
* or bpf_this_cpu_ptr(), which will return the pointer corresponding
* to the specified cpu.
*/
MEM_PERCPU = BIT(4 + BPF_BASE_TYPE_BITS),
/* Indicates that the argument will be released. */
OBJ_RELEASE = BIT(5 + BPF_BASE_TYPE_BITS),
/* PTR is not trusted. This is only used with PTR_TO_BTF_ID, to mark
* unreferenced and referenced kptr loaded from map value using a load
* instruction, so that they can only be dereferenced but not escape the
* BPF program into the kernel (i.e. cannot be passed as arguments to
* kfunc or bpf helpers).
*/
PTR_UNTRUSTED = BIT(6 + BPF_BASE_TYPE_BITS),
/* MEM can be uninitialized. */
MEM_UNINIT = BIT(7 + BPF_BASE_TYPE_BITS),
/* DYNPTR points to memory local to the bpf program. */
DYNPTR_TYPE_LOCAL = BIT(8 + BPF_BASE_TYPE_BITS),
/* DYNPTR points to a kernel-produced ringbuf record. */
DYNPTR_TYPE_RINGBUF = BIT(9 + BPF_BASE_TYPE_BITS),
/* Size is known at compile time. */
MEM_FIXED_SIZE = BIT(10 + BPF_BASE_TYPE_BITS),
/* MEM is of an allocated object of type in program BTF. This is used to
* tag PTR_TO_BTF_ID allocated using bpf_obj_new.
*/
MEM_ALLOC = BIT(11 + BPF_BASE_TYPE_BITS),
/* PTR was passed from the kernel in a trusted context, and may be
* passed to KF_TRUSTED_ARGS kfuncs or BPF helper functions.
* Confusingly, this is _not_ the opposite of PTR_UNTRUSTED above.
* PTR_UNTRUSTED refers to a kptr that was read directly from a map
* without invoking bpf_kptr_xchg(). What we really need to know is
* whether a pointer is safe to pass to a kfunc or BPF helper function.
* While PTR_UNTRUSTED pointers are unsafe to pass to kfuncs and BPF
* helpers, they do not cover all possible instances of unsafe
* pointers. For example, a pointer that was obtained from walking a
* struct will _not_ get the PTR_UNTRUSTED type modifier, despite the
* fact that it may be NULL, invalid, etc. This is due to backwards
* compatibility requirements, as this was the behavior that was first
* introduced when kptrs were added. The behavior is now considered
* deprecated, and PTR_UNTRUSTED will eventually be removed.
*
* PTR_TRUSTED, on the other hand, is a pointer that the kernel
* guarantees to be valid and safe to pass to kfuncs and BPF helpers.
* For example, pointers passed to tracepoint arguments are considered
* PTR_TRUSTED, as are pointers that are passed to struct_ops
* callbacks. As alluded to above, pointers that are obtained from
* walking PTR_TRUSTED pointers are _not_ trusted. For example, if a
* struct task_struct *task is PTR_TRUSTED, then accessing
* task->last_wakee will lose the PTR_TRUSTED modifier when it's stored
* in a BPF register. Similarly, pointers passed to certain programs
* types such as kretprobes are not guaranteed to be valid, as they may
* for example contain an object that was recently freed.
*/
PTR_TRUSTED = BIT(12 + BPF_BASE_TYPE_BITS),
/* MEM is tagged with rcu and memory access needs rcu_read_lock protection. */
MEM_RCU = BIT(13 + BPF_BASE_TYPE_BITS),
/* Used to tag PTR_TO_BTF_ID | MEM_ALLOC references which are non-owning.
* Currently only valid for linked-list and rbtree nodes. If the nodes
* have a bpf_refcount_field, they must be tagged MEM_RCU as well.
*/
NON_OWN_REF = BIT(14 + BPF_BASE_TYPE_BITS),
/* DYNPTR points to sk_buff */
DYNPTR_TYPE_SKB = BIT(15 + BPF_BASE_TYPE_BITS),
/* DYNPTR points to xdp_buff */
DYNPTR_TYPE_XDP = BIT(16 + BPF_BASE_TYPE_BITS),
/* Memory must be aligned on some architectures, used in combination with
* MEM_FIXED_SIZE.
*/
MEM_ALIGNED = BIT(17 + BPF_BASE_TYPE_BITS),
/* MEM is being written to, often combined with MEM_UNINIT. Non-presence
* of MEM_WRITE means that MEM is only being read. MEM_WRITE without the
* MEM_UNINIT means that memory needs to be initialized since it is also
* read.
*/
MEM_WRITE = BIT(18 + BPF_BASE_TYPE_BITS),
__BPF_TYPE_FLAG_MAX,
__BPF_TYPE_LAST_FLAG = __BPF_TYPE_FLAG_MAX - 1,
};
#define DYNPTR_TYPE_FLAG_MASK (DYNPTR_TYPE_LOCAL | DYNPTR_TYPE_RINGBUF | DYNPTR_TYPE_SKB \
| DYNPTR_TYPE_XDP)
/* Max number of base types. */
#define BPF_BASE_TYPE_LIMIT (1UL << BPF_BASE_TYPE_BITS)
/* Max number of all types. */
#define BPF_TYPE_LIMIT (__BPF_TYPE_LAST_FLAG | (__BPF_TYPE_LAST_FLAG - 1))
/* function argument constraints */
enum bpf_arg_type {
ARG_DONTCARE = 0, /* unused argument in helper function */
/* the following constraints used to prototype
* bpf_map_lookup/update/delete_elem() functions
*/
ARG_CONST_MAP_PTR, /* const argument used as pointer to bpf_map */
ARG_PTR_TO_MAP_KEY, /* pointer to stack used as map key */
ARG_PTR_TO_MAP_VALUE, /* pointer to stack used as map value */
/* Used to prototype bpf_memcmp() and other functions that access data
* on eBPF program stack
*/
ARG_PTR_TO_MEM, /* pointer to valid memory (stack, packet, map value) */
ARG_PTR_TO_ARENA,
ARG_CONST_SIZE, /* number of bytes accessed from memory */
ARG_CONST_SIZE_OR_ZERO, /* number of bytes accessed from memory or 0 */
ARG_PTR_TO_CTX, /* pointer to context */
ARG_ANYTHING, /* any (initialized) argument is ok */
ARG_PTR_TO_SPIN_LOCK, /* pointer to bpf_spin_lock */
ARG_PTR_TO_SOCK_COMMON, /* pointer to sock_common */
ARG_PTR_TO_SOCKET, /* pointer to bpf_sock (fullsock) */
ARG_PTR_TO_BTF_ID, /* pointer to in-kernel struct */
ARG_PTR_TO_RINGBUF_MEM, /* pointer to dynamically reserved ringbuf memory */
ARG_CONST_ALLOC_SIZE_OR_ZERO, /* number of allocated bytes requested */
ARG_PTR_TO_BTF_ID_SOCK_COMMON, /* pointer to in-kernel sock_common or bpf-mirrored bpf_sock */
ARG_PTR_TO_PERCPU_BTF_ID, /* pointer to in-kernel percpu type */
ARG_PTR_TO_FUNC, /* pointer to a bpf program function */
ARG_PTR_TO_STACK, /* pointer to stack */
ARG_PTR_TO_CONST_STR, /* pointer to a null terminated read-only string */
ARG_PTR_TO_TIMER, /* pointer to bpf_timer */
ARG_KPTR_XCHG_DEST, /* pointer to destination that kptrs are bpf_kptr_xchg'd into */
ARG_PTR_TO_DYNPTR, /* pointer to bpf_dynptr. See bpf_type_flag for dynptr type */
__BPF_ARG_TYPE_MAX,
/* Extended arg_types. */
ARG_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE,
ARG_PTR_TO_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MEM,
ARG_PTR_TO_CTX_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_CTX,
ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET,
ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK,
ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID,
/* Pointer to memory does not need to be initialized, since helper function
* fills all bytes or clears them in error case.
*/
ARG_PTR_TO_UNINIT_MEM = MEM_UNINIT | MEM_WRITE | ARG_PTR_TO_MEM,
/* Pointer to valid memory of size known at compile time. */
ARG_PTR_TO_FIXED_SIZE_MEM = MEM_FIXED_SIZE | ARG_PTR_TO_MEM,
/* This must be the last entry. Its purpose is to ensure the enum is
* wide enough to hold the higher bits reserved for bpf_type_flag.
*/
__BPF_ARG_TYPE_LIMIT = BPF_TYPE_LIMIT,
};
static_assert(__BPF_ARG_TYPE_MAX <= BPF_BASE_TYPE_LIMIT);
/* type of values returned from helper functions */
enum bpf_return_type {
RET_INTEGER, /* function returns integer */
RET_VOID, /* function doesn't return anything */
RET_PTR_TO_MAP_VALUE, /* returns a pointer to map elem value */
RET_PTR_TO_SOCKET, /* returns a pointer to a socket */
RET_PTR_TO_TCP_SOCK, /* returns a pointer to a tcp_sock */
RET_PTR_TO_SOCK_COMMON, /* returns a pointer to a sock_common */
RET_PTR_TO_MEM, /* returns a pointer to memory */
RET_PTR_TO_MEM_OR_BTF_ID, /* returns a pointer to a valid memory or a btf_id */
RET_PTR_TO_BTF_ID, /* returns a pointer to a btf_id */
__BPF_RET_TYPE_MAX,
/* Extended ret_types. */
RET_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE,
RET_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET,
RET_PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK,
RET_PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON,
RET_PTR_TO_RINGBUF_MEM_OR_NULL = PTR_MAYBE_NULL | MEM_RINGBUF | RET_PTR_TO_MEM,
RET_PTR_TO_DYNPTR_MEM_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MEM,
RET_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID,
RET_PTR_TO_BTF_ID_TRUSTED = PTR_TRUSTED | RET_PTR_TO_BTF_ID,
/* This must be the last entry. Its purpose is to ensure the enum is
* wide enough to hold the higher bits reserved for bpf_type_flag.
*/
__BPF_RET_TYPE_LIMIT = BPF_TYPE_LIMIT,
};
static_assert(__BPF_RET_TYPE_MAX <= BPF_BASE_TYPE_LIMIT);
/* eBPF function prototype used by verifier to allow BPF_CALLs from eBPF programs
* to in-kernel helper functions and for adjusting imm32 field in BPF_CALL
* instructions after verifying
*/
struct bpf_func_proto {
u64 (*func)(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
bool gpl_only;
bool pkt_access;
bool might_sleep;
/* set to true if helper follows contract for llvm
* attribute bpf_fastcall:
* - void functions do not scratch r0
* - functions taking N arguments scratch only registers r1-rN
*/
bool allow_fastcall;
enum bpf_return_type ret_type;
union {
struct {
enum bpf_arg_type arg1_type;
enum bpf_arg_type arg2_type;
enum bpf_arg_type arg3_type;
enum bpf_arg_type arg4_type;
enum bpf_arg_type arg5_type;
};
enum bpf_arg_type arg_type[5];
};
union {
struct {
u32 *arg1_btf_id;
u32 *arg2_btf_id;
u32 *arg3_btf_id;
u32 *arg4_btf_id;
u32 *arg5_btf_id;
};
u32 *arg_btf_id[5];
struct {
size_t arg1_size;
size_t arg2_size;
size_t arg3_size;
size_t arg4_size;
size_t arg5_size;
};
size_t arg_size[5];
};
int *ret_btf_id; /* return value btf_id */
bool (*allowed)(const struct bpf_prog *prog);
};
/* bpf_context is intentionally undefined structure. Pointer to bpf_context is
* the first argument to eBPF programs.
* For socket filters: 'struct bpf_context *' == 'struct sk_buff *'
*/
struct bpf_context;
enum bpf_access_type {
BPF_READ = 1,
BPF_WRITE = 2
};
/* types of values stored in eBPF registers */
/* Pointer types represent:
* pointer
* pointer + imm
* pointer + (u16) var
* pointer + (u16) var + imm
* if (range > 0) then [ptr, ptr + range - off) is safe to access
* if (id > 0) means that some 'var' was added
* if (off > 0) means that 'imm' was added
*/
enum bpf_reg_type {
NOT_INIT = 0, /* nothing was written into register */
SCALAR_VALUE, /* reg doesn't contain a valid pointer */
PTR_TO_CTX, /* reg points to bpf_context */
CONST_PTR_TO_MAP, /* reg points to struct bpf_map */
PTR_TO_MAP_VALUE, /* reg points to map element value */
PTR_TO_MAP_KEY, /* reg points to a map element key */
PTR_TO_STACK, /* reg == frame_pointer + offset */
PTR_TO_PACKET_META, /* skb->data - meta_len */
PTR_TO_PACKET, /* reg points to skb->data */
PTR_TO_PACKET_END, /* skb->data + headlen */
PTR_TO_FLOW_KEYS, /* reg points to bpf_flow_keys */
PTR_TO_SOCKET, /* reg points to struct bpf_sock */
PTR_TO_SOCK_COMMON, /* reg points to sock_common */
PTR_TO_TCP_SOCK, /* reg points to struct tcp_sock */
PTR_TO_TP_BUFFER, /* reg points to a writable raw tp's buffer */
PTR_TO_XDP_SOCK, /* reg points to struct xdp_sock */
/* PTR_TO_BTF_ID points to a kernel struct that does not need
* to be null checked by the BPF program. This does not imply the
* pointer is _not_ null and in practice this can easily be a null
* pointer when reading pointer chains. The assumption is program
* context will handle null pointer dereference typically via fault
* handling. The verifier must keep this in mind and can make no
* assumptions about null or non-null when doing branch analysis.
* Further, when passed into helpers the helpers can not, without
* additional context, assume the value is non-null.
*/
PTR_TO_BTF_ID,
PTR_TO_MEM, /* reg points to valid memory region */
PTR_TO_ARENA,
PTR_TO_BUF, /* reg points to a read/write buffer */
PTR_TO_FUNC, /* reg points to a bpf program function */
CONST_PTR_TO_DYNPTR, /* reg points to a const struct bpf_dynptr */
__BPF_REG_TYPE_MAX,
/* Extended reg_types. */
PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE,
PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET,
PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
/* PTR_TO_BTF_ID_OR_NULL points to a kernel struct that has not
* been checked for null. Used primarily to inform the verifier
* an explicit null check is required for this struct.
*/
PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID,
/* This must be the last entry. Its purpose is to ensure the enum is
* wide enough to hold the higher bits reserved for bpf_type_flag.
*/
__BPF_REG_TYPE_LIMIT = BPF_TYPE_LIMIT,
};
static_assert(__BPF_REG_TYPE_MAX <= BPF_BASE_TYPE_LIMIT);
/* The information passed from prog-specific *_is_valid_access
* back to the verifier.
*/
struct bpf_insn_access_aux {
enum bpf_reg_type reg_type;
bool is_ldsx;
union {
int ctx_field_size;
struct {
struct btf *btf;
u32 btf_id;
};
};
struct bpf_verifier_log *log; /* for verbose logs */
bool is_retval; /* is accessing function return value ? */
};
static inline void
bpf_ctx_record_field_size(struct bpf_insn_access_aux *aux, u32 size)
{
aux->ctx_field_size = size;
}
static bool bpf_is_ldimm64(const struct bpf_insn *insn)
{
return insn->code == (BPF_LD | BPF_IMM | BPF_DW);
}
static inline bool bpf_pseudo_func(const struct bpf_insn *insn)
{
return bpf_is_ldimm64(insn) && insn->src_reg == BPF_PSEUDO_FUNC;
}
struct bpf_prog_ops {
int (*test_run)(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
};
struct bpf_reg_state;
struct bpf_verifier_ops {
/* return eBPF function prototype for verification */
const struct bpf_func_proto *
(*get_func_proto)(enum bpf_func_id func_id,
const struct bpf_prog *prog);
/* return true if 'size' wide access at offset 'off' within bpf_context
* with 'type' (read or write) is allowed
*/
bool (*is_valid_access)(int off, int size, enum bpf_access_type type,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info);
int (*gen_prologue)(struct bpf_insn *insn, bool direct_write,
const struct bpf_prog *prog);
int (*gen_epilogue)(struct bpf_insn *insn, const struct bpf_prog *prog,
s16 ctx_stack_off);
int (*gen_ld_abs)(const struct bpf_insn *orig,
struct bpf_insn *insn_buf);
u32 (*convert_ctx_access)(enum bpf_access_type type,
const struct bpf_insn *src,
struct bpf_insn *dst,
struct bpf_prog *prog, u32 *target_size);
int (*btf_struct_access)(struct bpf_verifier_log *log,
const struct bpf_reg_state *reg,
int off, int size);
};
struct bpf_prog_offload_ops {
/* verifier basic callbacks */
int (*insn_hook)(struct bpf_verifier_env *env,
int insn_idx, int prev_insn_idx);
int (*finalize)(struct bpf_verifier_env *env);
/* verifier optimization callbacks (called after .finalize) */
int (*replace_insn)(struct bpf_verifier_env *env, u32 off,
struct bpf_insn *insn);
int (*remove_insns)(struct bpf_verifier_env *env, u32 off, u32 cnt);
/* program management callbacks */
int (*prepare)(struct bpf_prog *prog);
int (*translate)(struct bpf_prog *prog);
void (*destroy)(struct bpf_prog *prog);
};
struct bpf_prog_offload {
struct bpf_prog *prog;
struct net_device *netdev;
struct bpf_offload_dev *offdev;
void *dev_priv;
struct list_head offloads;
bool dev_state;
bool opt_failed;
void *jited_image;
u32 jited_len;
};
enum bpf_cgroup_storage_type {
BPF_CGROUP_STORAGE_SHARED,
BPF_CGROUP_STORAGE_PERCPU,
__BPF_CGROUP_STORAGE_MAX
};
#define MAX_BPF_CGROUP_STORAGE_TYPE __BPF_CGROUP_STORAGE_MAX
/* The longest tracepoint has 12 args.
* See include/trace/bpf_probe.h
*/
#define MAX_BPF_FUNC_ARGS 12
/* The maximum number of arguments passed through registers
* a single function may have.
*/
#define MAX_BPF_FUNC_REG_ARGS 5
/* The argument is a structure. */
#define BTF_FMODEL_STRUCT_ARG BIT(0)
/* The argument is signed. */
#define BTF_FMODEL_SIGNED_ARG BIT(1)
struct btf_func_model {
u8 ret_size;
u8 ret_flags;
u8 nr_args;
u8 arg_size[MAX_BPF_FUNC_ARGS];
u8 arg_flags[MAX_BPF_FUNC_ARGS];
};
/* Restore arguments before returning from trampoline to let original function
* continue executing. This flag is used for fentry progs when there are no
* fexit progs.
*/
#define BPF_TRAMP_F_RESTORE_REGS BIT(0)
/* Call original function after fentry progs, but before fexit progs.
* Makes sense for fentry/fexit, normal calls and indirect calls.
*/
#define BPF_TRAMP_F_CALL_ORIG BIT(1)
/* Skip current frame and return to parent. Makes sense for fentry/fexit
* programs only. Should not be used with normal calls and indirect calls.
*/
#define BPF_TRAMP_F_SKIP_FRAME BIT(2)
/* Store IP address of the caller on the trampoline stack,
* so it's available for trampoline's programs.
*/
#define BPF_TRAMP_F_IP_ARG BIT(3)
/* Return the return value of fentry prog. Only used by bpf_struct_ops. */
#define BPF_TRAMP_F_RET_FENTRY_RET BIT(4)
/* Get original function from stack instead of from provided direct address.
* Makes sense for trampolines with fexit or fmod_ret programs.
*/
#define BPF_TRAMP_F_ORIG_STACK BIT(5)
/* This trampoline is on a function with another ftrace_ops with IPMODIFY,
* e.g., a live patch. This flag is set and cleared by ftrace call backs,
*/
#define BPF_TRAMP_F_SHARE_IPMODIFY BIT(6)
/* Indicate that current trampoline is in a tail call context. Then, it has to
* cache and restore tail_call_cnt to avoid infinite tail call loop.
*/
#define BPF_TRAMP_F_TAIL_CALL_CTX BIT(7)
/*
* Indicate the trampoline should be suitable to receive indirect calls;
* without this indirectly calling the generated code can result in #UD/#CP,
* depending on the CFI options.
*
* Used by bpf_struct_ops.
*
* Incompatible with FENTRY usage, overloads @func_addr argument.
*/
#define BPF_TRAMP_F_INDIRECT BIT(8)
/* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50
* bytes on x86.
*/
enum {
#if defined(__s390x__)
BPF_MAX_TRAMP_LINKS = 27,
#else
BPF_MAX_TRAMP_LINKS = 38,
#endif
};
struct bpf_tramp_links {
struct bpf_tramp_link *links[BPF_MAX_TRAMP_LINKS];
int nr_links;
};
struct bpf_tramp_run_ctx;
/* Different use cases for BPF trampoline:
* 1. replace nop at the function entry (kprobe equivalent)
* flags = BPF_TRAMP_F_RESTORE_REGS
* fentry = a set of programs to run before returning from trampoline
*
* 2. replace nop at the function entry (kprobe + kretprobe equivalent)
* flags = BPF_TRAMP_F_CALL_ORIG | BPF_TRAMP_F_SKIP_FRAME
* orig_call = fentry_ip + MCOUNT_INSN_SIZE
* fentry = a set of program to run before calling original function
* fexit = a set of program to run after original function
*
* 3. replace direct call instruction anywhere in the function body
* or assign a function pointer for indirect call (like tcp_congestion_ops->cong_avoid)
* With flags = 0
* fentry = a set of programs to run before returning from trampoline
* With flags = BPF_TRAMP_F_CALL_ORIG
* orig_call = original callback addr or direct function addr
* fentry = a set of program to run before calling original function
* fexit = a set of program to run after original function
*/
struct bpf_tramp_image;
int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *image_end,
const struct btf_func_model *m, u32 flags,
struct bpf_tramp_links *tlinks,
void *func_addr);
void *arch_alloc_bpf_trampoline(unsigned int size);
void arch_free_bpf_trampoline(void *image, unsigned int size);
int __must_check arch_protect_bpf_trampoline(void *image, unsigned int size);
int arch_bpf_trampoline_size(const struct btf_func_model *m, u32 flags,
struct bpf_tramp_links *tlinks, void *func_addr);
u64 notrace __bpf_prog_enter_sleepable_recur(struct bpf_prog *prog,
struct bpf_tramp_run_ctx *run_ctx);
void notrace __bpf_prog_exit_sleepable_recur(struct bpf_prog *prog, u64 start,
struct bpf_tramp_run_ctx *run_ctx);
void notrace __bpf_tramp_enter(struct bpf_tramp_image *tr);
void notrace __bpf_tramp_exit(struct bpf_tramp_image *tr);
typedef u64 (*bpf_trampoline_enter_t)(struct bpf_prog *prog,
struct bpf_tramp_run_ctx *run_ctx);
typedef void (*bpf_trampoline_exit_t)(struct bpf_prog *prog, u64 start,
struct bpf_tramp_run_ctx *run_ctx);
bpf_trampoline_enter_t bpf_trampoline_enter(const struct bpf_prog *prog);
bpf_trampoline_exit_t bpf_trampoline_exit(const struct bpf_prog *prog);
struct bpf_ksym {
unsigned long start;
unsigned long end;
char name[KSYM_NAME_LEN];
struct list_head lnode;
struct latch_tree_node tnode;
bool prog;
};
enum bpf_tramp_prog_type {
BPF_TRAMP_FENTRY,
BPF_TRAMP_FEXIT,
BPF_TRAMP_MODIFY_RETURN,
BPF_TRAMP_MAX,
BPF_TRAMP_REPLACE, /* more than MAX */
};
struct bpf_tramp_image {
void *image;
int size;
struct bpf_ksym ksym;
struct percpu_ref pcref;
void *ip_after_call;
void *ip_epilogue;
union {
struct rcu_head rcu;
struct work_struct work;
};
};
struct bpf_trampoline {
/* hlist for trampoline_table */
struct hlist_node hlist;
struct ftrace_ops *fops;
/* serializes access to fields of this trampoline */
struct mutex mutex;
refcount_t refcnt;
u32 flags;
u64 key;
struct {
struct btf_func_model model;
void *addr;
bool ftrace_managed;
} func;
/* if !NULL this is BPF_PROG_TYPE_EXT program that extends another BPF
* program by replacing one of its functions. func.addr is the address
* of the function it replaced.
*/
struct bpf_prog *extension_prog;
/* list of BPF programs using this trampoline */
struct hlist_head progs_hlist[BPF_TRAMP_MAX];
/* Number of attached programs. A counter per kind. */
int progs_cnt[BPF_TRAMP_MAX];
/* Executable image of trampoline */
struct bpf_tramp_image *cur_image;
};
struct bpf_attach_target_info {
struct btf_func_model fmodel;
long tgt_addr;
struct module *tgt_mod;
const char *tgt_name;
const struct btf_type *tgt_type;
};
#define BPF_DISPATCHER_MAX 48 /* Fits in 2048B */
struct bpf_dispatcher_prog {
struct bpf_prog *prog;
refcount_t users;
};
struct bpf_dispatcher {
/* dispatcher mutex */
struct mutex mutex;
void *func;
struct bpf_dispatcher_prog progs[BPF_DISPATCHER_MAX];
int num_progs;
void *image;
void *rw_image;
u32 image_off;
struct bpf_ksym ksym;
#ifdef CONFIG_HAVE_STATIC_CALL
struct static_call_key *sc_key;
void *sc_tramp;
#endif
};
#ifndef __bpfcall
#define __bpfcall __nocfi
#endif
static __always_inline __bpfcall unsigned int bpf_dispatcher_nop_func(
const void *ctx,
const struct bpf_insn *insnsi,
bpf_func_t bpf_func)
{
return bpf_func(ctx, insnsi);
}
/* the implementation of the opaque uapi struct bpf_dynptr */
struct bpf_dynptr_kern {
void *data;
/* Size represents the number of usable bytes of dynptr data.
* If for example the offset is at 4 for a local dynptr whose data is
* of type u64, the number of usable bytes is 4.
*
* The upper 8 bits are reserved. It is as follows:
* Bits 0 - 23 = size
* Bits 24 - 30 = dynptr type
* Bit 31 = whether dynptr is read-only
*/
u32 size;
u32 offset;
} __aligned(8);
enum bpf_dynptr_type {
BPF_DYNPTR_TYPE_INVALID,
/* Points to memory that is local to the bpf program */
BPF_DYNPTR_TYPE_LOCAL,
/* Underlying data is a ringbuf record */
BPF_DYNPTR_TYPE_RINGBUF,
/* Underlying data is a sk_buff */
BPF_DYNPTR_TYPE_SKB,
/* Underlying data is a xdp_buff */
BPF_DYNPTR_TYPE_XDP,
};
int bpf_dynptr_check_size(u32 size);
u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len);
void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u32 len);
bool __bpf_dynptr_is_rdonly(const struct bpf_dynptr_kern *ptr);
#ifdef CONFIG_BPF_JIT
int bpf_trampoline_link_prog(struct bpf_tramp_link *link,
struct bpf_trampoline *tr,
struct bpf_prog *tgt_prog);
int bpf_trampoline_unlink_prog(struct bpf_tramp_link *link,
struct bpf_trampoline *tr,
struct bpf_prog *tgt_prog);
struct bpf_trampoline *bpf_trampoline_get(u64 key,
struct bpf_attach_target_info *tgt_info);
void bpf_trampoline_put(struct bpf_trampoline *tr);
int arch_prepare_bpf_dispatcher(void *image, void *buf, s64 *funcs, int num_funcs);
/*
* When the architecture supports STATIC_CALL replace the bpf_dispatcher_fn
* indirection with a direct call to the bpf program. If the architecture does
* not have STATIC_CALL, avoid a double-indirection.
*/
#ifdef CONFIG_HAVE_STATIC_CALL
#define __BPF_DISPATCHER_SC_INIT(_name) \
.sc_key = &STATIC_CALL_KEY(_name), \
.sc_tramp = STATIC_CALL_TRAMP_ADDR(_name),
#define __BPF_DISPATCHER_SC(name) \
DEFINE_STATIC_CALL(bpf_dispatcher_##name##_call, bpf_dispatcher_nop_func)
#define __BPF_DISPATCHER_CALL(name) \
static_call(bpf_dispatcher_##name##_call)(ctx, insnsi, bpf_func)
#define __BPF_DISPATCHER_UPDATE(_d, _new) \
__static_call_update((_d)->sc_key, (_d)->sc_tramp, (_new))
#else
#define __BPF_DISPATCHER_SC_INIT(name)
#define __BPF_DISPATCHER_SC(name)
#define __BPF_DISPATCHER_CALL(name) bpf_func(ctx, insnsi)
#define __BPF_DISPATCHER_UPDATE(_d, _new)
#endif
#define BPF_DISPATCHER_INIT(_name) { \
.mutex = __MUTEX_INITIALIZER(_name.mutex), \
.func = &_name##_func, \
.progs = {}, \
.num_progs = 0, \
.image = NULL, \
.image_off = 0, \
.ksym = { \
.name = #_name, \
.lnode = LIST_HEAD_INIT(_name.ksym.lnode), \
}, \
__BPF_DISPATCHER_SC_INIT(_name##_call) \
}
#define DEFINE_BPF_DISPATCHER(name) \
__BPF_DISPATCHER_SC(name); \
noinline __bpfcall unsigned int bpf_dispatcher_##name##_func( \
const void *ctx, \
const struct bpf_insn *insnsi, \
bpf_func_t bpf_func) \
{ \
return __BPF_DISPATCHER_CALL(name); \
} \
EXPORT_SYMBOL(bpf_dispatcher_##name##_func); \
struct bpf_dispatcher bpf_dispatcher_##name = \
BPF_DISPATCHER_INIT(bpf_dispatcher_##name);
#define DECLARE_BPF_DISPATCHER(name) \
unsigned int bpf_dispatcher_##name##_func( \
const void *ctx, \
const struct bpf_insn *insnsi, \
bpf_func_t bpf_func); \
extern struct bpf_dispatcher bpf_dispatcher_##name;
#define BPF_DISPATCHER_FUNC(name) bpf_dispatcher_##name##_func
#define BPF_DISPATCHER_PTR(name) (&bpf_dispatcher_##name)
void bpf_dispatcher_change_prog(struct bpf_dispatcher *d, struct bpf_prog *from,
struct bpf_prog *to);
/* Called only from JIT-enabled code, so there's no need for stubs. */
void bpf_image_ksym_init(void *data, unsigned int size, struct bpf_ksym *ksym);
void bpf_image_ksym_add(struct bpf_ksym *ksym);
void bpf_image_ksym_del(struct bpf_ksym *ksym);
void bpf_ksym_add(struct bpf_ksym *ksym);
void bpf_ksym_del(struct bpf_ksym *ksym);
int bpf_jit_charge_modmem(u32 size);
void bpf_jit_uncharge_modmem(u32 size);
bool bpf_prog_has_trampoline(const struct bpf_prog *prog);
#else
static inline int bpf_trampoline_link_prog(struct bpf_tramp_link *link,
struct bpf_trampoline *tr,
struct bpf_prog *tgt_prog)
{
return -ENOTSUPP;
}
static inline int bpf_trampoline_unlink_prog(struct bpf_tramp_link *link,
struct bpf_trampoline *tr,
struct bpf_prog *tgt_prog)
{
return -ENOTSUPP;
}
static inline struct bpf_trampoline *bpf_trampoline_get(u64 key,
struct bpf_attach_target_info *tgt_info)
{
return NULL;
}
static inline void bpf_trampoline_put(struct bpf_trampoline *tr) {}
#define DEFINE_BPF_DISPATCHER(name)
#define DECLARE_BPF_DISPATCHER(name)
#define BPF_DISPATCHER_FUNC(name) bpf_dispatcher_nop_func
#define BPF_DISPATCHER_PTR(name) NULL
static inline void bpf_dispatcher_change_prog(struct bpf_dispatcher *d,
struct bpf_prog *from,
struct bpf_prog *to) {}
static inline bool is_bpf_image_address(unsigned long address)
{
return false;
}
static inline bool bpf_prog_has_trampoline(const struct bpf_prog *prog)
{
return false;
}
#endif
struct bpf_func_info_aux {
u16 linkage;
bool unreliable;
bool called : 1;
bool verified : 1;
};
enum bpf_jit_poke_reason {
BPF_POKE_REASON_TAIL_CALL,
};
/* Descriptor of pokes pointing /into/ the JITed image. */
struct bpf_jit_poke_descriptor {
void *tailcall_target;
void *tailcall_bypass;
void *bypass_addr;
void *aux;
union {
struct {
struct bpf_map *map;
u32 key;
} tail_call;
};
bool tailcall_target_stable;
u8 adj_off;
u16 reason;
u32 insn_idx;
};
/* reg_type info for ctx arguments */
struct bpf_ctx_arg_aux {
u32 offset;
enum bpf_reg_type reg_type;
struct btf *btf;
u32 btf_id;
};
struct btf_mod_pair {
struct btf *btf;
struct module *module;
};
struct bpf_kfunc_desc_tab;
struct bpf_prog_aux {
atomic64_t refcnt;
u32 used_map_cnt;
u32 used_btf_cnt;
u32 max_ctx_offset;
u32 max_pkt_offset;
u32 max_tp_access;
u32 stack_depth;
u32 id;
u32 func_cnt; /* used by non-func prog as the number of func progs */
u32 real_func_cnt; /* includes hidden progs, only used for JIT and freeing progs */
u32 func_idx; /* 0 for non-func prog, the index in func array for func prog */
u32 attach_btf_id; /* in-kernel BTF type id to attach to */
u32 ctx_arg_info_size;
u32 max_rdonly_access;
u32 max_rdwr_access;
struct btf *attach_btf;
struct bpf_ctx_arg_aux *ctx_arg_info;
void __percpu *priv_stack_ptr;
struct mutex dst_mutex; /* protects dst_* pointers below, *after* prog becomes visible */
struct bpf_prog *dst_prog;
struct bpf_trampoline *dst_trampoline;
enum bpf_prog_type saved_dst_prog_type;
enum bpf_attach_type saved_dst_attach_type;
bool verifier_zext; /* Zero extensions has been inserted by verifier. */
bool dev_bound; /* Program is bound to the netdev. */
bool offload_requested; /* Program is bound and offloaded to the netdev. */
bool attach_btf_trace; /* true if attaching to BTF-enabled raw tp */
bool attach_tracing_prog; /* true if tracing another tracing program */
bool func_proto_unreliable;
bool tail_call_reachable;
bool xdp_has_frags;
bool exception_cb;
bool exception_boundary;
bool is_extended; /* true if extended by freplace program */
bool jits_use_priv_stack;
bool priv_stack_requested;
bool changes_pkt_data;
u64 prog_array_member_cnt; /* counts how many times as member of prog_array */
struct mutex ext_mutex; /* mutex for is_extended and prog_array_member_cnt */
struct bpf_arena *arena;
void (*recursion_detected)(struct bpf_prog *prog); /* callback if recursion is detected */
/* BTF_KIND_FUNC_PROTO for valid attach_btf_id */
const struct btf_type *attach_func_proto;
/* function name for valid attach_btf_id */
const char *attach_func_name;
struct bpf_prog **func;
void *jit_data; /* JIT specific data. arch dependent */
struct bpf_jit_poke_descriptor *poke_tab;
struct bpf_kfunc_desc_tab *kfunc_tab;
struct bpf_kfunc_btf_tab *kfunc_btf_tab;
u32 size_poke_tab;
#ifdef CONFIG_FINEIBT
struct bpf_ksym ksym_prefix;
#endif
struct bpf_ksym ksym;
const struct bpf_prog_ops *ops;
struct bpf_map **used_maps;
struct mutex used_maps_mutex; /* mutex for used_maps and used_map_cnt */
struct btf_mod_pair *used_btfs;
struct bpf_prog *prog;
struct user_struct *user;
u64 load_time; /* ns since boottime */
u32 verified_insns;
int cgroup_atype; /* enum cgroup_bpf_attach_type */
struct bpf_map *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE];
char name[BPF_OBJ_NAME_LEN];
u64 (*bpf_exception_cb)(u64 cookie, u64 sp, u64 bp, u64, u64);
#ifdef CONFIG_SECURITY
void *security;
#endif
struct bpf_token *token;
struct bpf_prog_offload *offload;
struct btf *btf;
struct bpf_func_info *func_info;
struct bpf_func_info_aux *func_info_aux;
/* bpf_line_info loaded from userspace. linfo->insn_off
* has the xlated insn offset.
* Both the main and sub prog share the same linfo.
* The subprog can access its first linfo by
* using the linfo_idx.
*/
struct bpf_line_info *linfo;
/* jited_linfo is the jited addr of the linfo. It has a
* one to one mapping to linfo:
* jited_linfo[i] is the jited addr for the linfo[i]->insn_off.
* Both the main and sub prog share the same jited_linfo.
* The subprog can access its first jited_linfo by
* using the linfo_idx.
*/
void **jited_linfo;
u32 func_info_cnt;
u32 nr_linfo;
/* subprog can use linfo_idx to access its first linfo and
* jited_linfo.
* main prog always has linfo_idx == 0
*/
u32 linfo_idx;
struct module *mod;
u32 num_exentries;
struct exception_table_entry *extable;
union {
struct work_struct work;
struct rcu_head rcu;
};
};
struct bpf_prog {
u16 pages; /* Number of allocated pages */
u16 jited:1, /* Is our filter JIT'ed? */
jit_requested:1,/* archs need to JIT the prog */
gpl_compatible:1, /* Is filter GPL compatible? */
cb_access:1, /* Is control block accessed? */
dst_needed:1, /* Do we need dst entry? */
blinding_requested:1, /* needs constant blinding */
blinded:1, /* Was blinded */
is_func:1, /* program is a bpf function */
kprobe_override:1, /* Do we override a kprobe? */
has_callchain_buf:1, /* callchain buffer allocated? */
enforce_expected_attach_type:1, /* Enforce expected_attach_type checking at attach time */
call_get_stack:1, /* Do we call bpf_get_stack() or bpf_get_stackid() */
call_get_func_ip:1, /* Do we call get_func_ip() */
tstamp_type_access:1, /* Accessed __sk_buff->tstamp_type */
sleepable:1; /* BPF program is sleepable */
enum bpf_prog_type type; /* Type of BPF program */
enum bpf_attach_type expected_attach_type; /* For some prog types */
u32 len; /* Number of filter blocks */
u32 jited_len; /* Size of jited insns in bytes */
u8 tag[BPF_TAG_SIZE];
struct bpf_prog_stats __percpu *stats;
int __percpu *active;
unsigned int (*bpf_func)(const void *ctx,
const struct bpf_insn *insn);
struct bpf_prog_aux *aux; /* Auxiliary fields */
struct sock_fprog_kern *orig_prog; /* Original BPF program */
/* Instructions for interpreter */
union {
DECLARE_FLEX_ARRAY(struct sock_filter, insns);
DECLARE_FLEX_ARRAY(struct bpf_insn, insnsi);
};
};
struct bpf_array_aux {
/* Programs with direct jumps into programs part of this array. */
struct list_head poke_progs;
struct bpf_map *map;
struct mutex poke_mutex;
struct work_struct work;
};
struct bpf_link {
atomic64_t refcnt;
u32 id;
enum bpf_link_type type;
const struct bpf_link_ops *ops;
struct bpf_prog *prog;
/* whether BPF link itself has "sleepable" semantics, which can differ
* from underlying BPF program having a "sleepable" semantics, as BPF
* link's semantics is determined by target attach hook
*/
bool sleepable;
/* rcu is used before freeing, work can be used to schedule that
* RCU-based freeing before that, so they never overlap
*/
union {
struct rcu_head rcu;
struct work_struct work;
};
};
struct bpf_link_ops {
void (*release)(struct bpf_link *link);
/* deallocate link resources callback, called without RCU grace period
* waiting
*/
void (*dealloc)(struct bpf_link *link);
/* deallocate link resources callback, called after RCU grace period;
* if either the underlying BPF program is sleepable or BPF link's
* target hook is sleepable, we'll go through tasks trace RCU GP and
* then "classic" RCU GP; this need for chaining tasks trace and
* classic RCU GPs is designated by setting bpf_link->sleepable flag
*/
void (*dealloc_deferred)(struct bpf_link *link);
int (*detach)(struct bpf_link *link);
int (*update_prog)(struct bpf_link *link, struct bpf_prog *new_prog,
struct bpf_prog *old_prog);
void (*show_fdinfo)(const struct bpf_link *link, struct seq_file *seq);
int (*fill_link_info)(const struct bpf_link *link,
struct bpf_link_info *info);
int (*update_map)(struct bpf_link *link, struct bpf_map *new_map,
struct bpf_map *old_map);
__poll_t (*poll)(struct file *file, struct poll_table_struct *pts);
};
struct bpf_tramp_link {
struct bpf_link link;
struct hlist_node tramp_hlist;
u64 cookie;
};
struct bpf_shim_tramp_link {
struct bpf_tramp_link link;
struct bpf_trampoline *trampoline;
};
struct bpf_tracing_link {
struct bpf_tramp_link link;
enum bpf_attach_type attach_type;
struct bpf_trampoline *trampoline;
struct bpf_prog *tgt_prog;
};
struct bpf_raw_tp_link {
struct bpf_link link;
struct bpf_raw_event_map *btp;
u64 cookie;
};
struct bpf_link_primer {
struct bpf_link *link;
struct file *file;
int fd;
u32 id;
};
struct bpf_mount_opts {
kuid_t uid;
kgid_t gid;
umode_t mode;
/* BPF token-related delegation options */
u64 delegate_cmds;
u64 delegate_maps;
u64 delegate_progs;
u64 delegate_attachs;
};
struct bpf_token {
struct work_struct work;
atomic64_t refcnt;
struct user_namespace *userns;
u64 allowed_cmds;
u64 allowed_maps;
u64 allowed_progs;
u64 allowed_attachs;
#ifdef CONFIG_SECURITY
void *security;
#endif
};
struct bpf_struct_ops_value;
struct btf_member;
#define BPF_STRUCT_OPS_MAX_NR_MEMBERS 64
/**
* struct bpf_struct_ops - A structure of callbacks allowing a subsystem to
* define a BPF_MAP_TYPE_STRUCT_OPS map type composed
* of BPF_PROG_TYPE_STRUCT_OPS progs.
* @verifier_ops: A structure of callbacks that are invoked by the verifier
* when determining whether the struct_ops progs in the
* struct_ops map are valid.
* @init: A callback that is invoked a single time, and before any other
* callback, to initialize the structure. A nonzero return value means
* the subsystem could not be initialized.
* @check_member: When defined, a callback invoked by the verifier to allow
* the subsystem to determine if an entry in the struct_ops map
* is valid. A nonzero return value means that the map is
* invalid and should be rejected by the verifier.
* @init_member: A callback that is invoked for each member of the struct_ops
* map to allow the subsystem to initialize the member. A nonzero
* value means the member could not be initialized. This callback
* is exclusive with the @type, @type_id, @value_type, and
* @value_id fields.
* @reg: A callback that is invoked when the struct_ops map has been
* initialized and is being attached to. Zero means the struct_ops map
* has been successfully registered and is live. A nonzero return value
* means the struct_ops map could not be registered.
* @unreg: A callback that is invoked when the struct_ops map should be
* unregistered.
* @update: A callback that is invoked when the live struct_ops map is being
* updated to contain new values. This callback is only invoked when
* the struct_ops map is loaded with BPF_F_LINK. If not defined, the
* it is assumed that the struct_ops map cannot be updated.
* @validate: A callback that is invoked after all of the members have been
* initialized. This callback should perform static checks on the
* map, meaning that it should either fail or succeed
* deterministically. A struct_ops map that has been validated may
* not necessarily succeed in being registered if the call to @reg
* fails. For example, a valid struct_ops map may be loaded, but
* then fail to be registered due to there being another active
* struct_ops map on the system in the subsystem already. For this
* reason, if this callback is not defined, the check is skipped as
* the struct_ops map will have final verification performed in
* @reg.
* @type: BTF type.
* @value_type: Value type.
* @name: The name of the struct bpf_struct_ops object.
* @func_models: Func models
* @type_id: BTF type id.
* @value_id: BTF value id.
*/
struct bpf_struct_ops {
const struct bpf_verifier_ops *verifier_ops;
int (*init)(struct btf *btf);
int (*check_member)(const struct btf_type *t,
const struct btf_member *member,
const struct bpf_prog *prog);
int (*init_member)(const struct btf_type *t,
const struct btf_member *member,
void *kdata, const void *udata);
int (*reg)(void *kdata, struct bpf_link *link);
void (*unreg)(void *kdata, struct bpf_link *link);
int (*update)(void *kdata, void *old_kdata, struct bpf_link *link);
int (*validate)(void *kdata);
void *cfi_stubs;
struct module *owner;
const char *name;
struct btf_func_model func_models[BPF_STRUCT_OPS_MAX_NR_MEMBERS];
};
/* Every member of a struct_ops type has an instance even a member is not
* an operator (function pointer). The "info" field will be assigned to
* prog->aux->ctx_arg_info of BPF struct_ops programs to provide the
* argument information required by the verifier to verify the program.
*
* btf_ctx_access() will lookup prog->aux->ctx_arg_info to find the
* corresponding entry for an given argument.
*/
struct bpf_struct_ops_arg_info {
struct bpf_ctx_arg_aux *info;
u32 cnt;
};
struct bpf_struct_ops_desc {
struct bpf_struct_ops *st_ops;
const struct btf_type *type;
const struct btf_type *value_type;
u32 type_id;
u32 value_id;
/* Collection of argument information for each member */
struct bpf_struct_ops_arg_info *arg_info;
};
enum bpf_struct_ops_state {
BPF_STRUCT_OPS_STATE_INIT,
BPF_STRUCT_OPS_STATE_INUSE,
BPF_STRUCT_OPS_STATE_TOBEFREE,
BPF_STRUCT_OPS_STATE_READY,
};
struct bpf_struct_ops_common_value {
refcount_t refcnt;
enum bpf_struct_ops_state state;
};
#if defined(CONFIG_BPF_JIT) && defined(CONFIG_BPF_SYSCALL)
/* This macro helps developer to register a struct_ops type and generate
* type information correctly. Developers should use this macro to register
* a struct_ops type instead of calling __register_bpf_struct_ops() directly.
*/
#define register_bpf_struct_ops(st_ops, type) \
({ \
struct bpf_struct_ops_##type { \
struct bpf_struct_ops_common_value common; \
struct type data ____cacheline_aligned_in_smp; \
}; \
BTF_TYPE_EMIT(struct bpf_struct_ops_##type); \
__register_bpf_struct_ops(st_ops); \
})
#define BPF_MODULE_OWNER ((void *)((0xeB9FUL << 2) + POISON_POINTER_DELTA))
bool bpf_struct_ops_get(const void *kdata);
void bpf_struct_ops_put(const void *kdata);
int bpf_struct_ops_supported(const struct bpf_struct_ops *st_ops, u32 moff);
int bpf_struct_ops_map_sys_lookup_elem(struct bpf_map *map, void *key,
void *value);
int bpf_struct_ops_prepare_trampoline(struct bpf_tramp_links *tlinks,
struct bpf_tramp_link *link,
const struct btf_func_model *model,
void *stub_func,
void **image, u32 *image_off,
bool allow_alloc);
void bpf_struct_ops_image_free(void *image);
static inline bool bpf_try_module_get(const void *data, struct module *owner)
{
if (owner == BPF_MODULE_OWNER)
return bpf_struct_ops_get(data);
else
return try_module_get(owner);
}
static inline void bpf_module_put(const void *data, struct module *owner)
{
if (owner == BPF_MODULE_OWNER)
bpf_struct_ops_put(data);
else
module_put(owner);
}
int bpf_struct_ops_link_create(union bpf_attr *attr);
#ifdef CONFIG_NET
/* Define it here to avoid the use of forward declaration */
struct bpf_dummy_ops_state {
int val;
};
struct bpf_dummy_ops {
int (*test_1)(struct bpf_dummy_ops_state *cb);
int (*test_2)(struct bpf_dummy_ops_state *cb, int a1, unsigned short a2,
char a3, unsigned long a4);
int (*test_sleepable)(struct bpf_dummy_ops_state *cb);
};
int bpf_struct_ops_test_run(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
#endif
int bpf_struct_ops_desc_init(struct bpf_struct_ops_desc *st_ops_desc,
struct btf *btf,
struct bpf_verifier_log *log);
void bpf_map_struct_ops_info_fill(struct bpf_map_info *info, struct bpf_map *map);
void bpf_struct_ops_desc_release(struct bpf_struct_ops_desc *st_ops_desc);
#else
#define register_bpf_struct_ops(st_ops, type) ({ (void *)(st_ops); 0; })
static inline bool bpf_try_module_get(const void *data, struct module *owner)
{
return try_module_get(owner);
}
static inline void bpf_module_put(const void *data, struct module *owner)
{
module_put(owner);
}
static inline int bpf_struct_ops_supported(const struct bpf_struct_ops *st_ops, u32 moff)
{
return -ENOTSUPP;
}
static inline int bpf_struct_ops_map_sys_lookup_elem(struct bpf_map *map,
void *key,
void *value)
{
return -EINVAL;
}
static inline int bpf_struct_ops_link_create(union bpf_attr *attr)
{
return -EOPNOTSUPP;
}
static inline void bpf_map_struct_ops_info_fill(struct bpf_map_info *info, struct bpf_map *map)
{
}
static inline void bpf_struct_ops_desc_release(struct bpf_struct_ops_desc *st_ops_desc)
{
}
#endif
int bpf_prog_ctx_arg_info_init(struct bpf_prog *prog,
const struct bpf_ctx_arg_aux *info, u32 cnt);
#if defined(CONFIG_CGROUP_BPF) && defined(CONFIG_BPF_LSM)
int bpf_trampoline_link_cgroup_shim(struct bpf_prog *prog,
int cgroup_atype);
void bpf_trampoline_unlink_cgroup_shim(struct bpf_prog *prog);
#else
static inline int bpf_trampoline_link_cgroup_shim(struct bpf_prog *prog,
int cgroup_atype)
{
return -EOPNOTSUPP;
}
static inline void bpf_trampoline_unlink_cgroup_shim(struct bpf_prog *prog)
{
}
#endif
struct bpf_array {
struct bpf_map map;
u32 elem_size;
u32 index_mask;
struct bpf_array_aux *aux;
union {
DECLARE_FLEX_ARRAY(char, value) __aligned(8);
DECLARE_FLEX_ARRAY(void *, ptrs) __aligned(8);
DECLARE_FLEX_ARRAY(void __percpu *, pptrs) __aligned(8);
};
};
#define BPF_COMPLEXITY_LIMIT_INSNS 1000000 /* yes. 1M insns */
#define MAX_TAIL_CALL_CNT 33
/* Maximum number of loops for bpf_loop and bpf_iter_num.
* It's enum to expose it (and thus make it discoverable) through BTF.
*/
enum {
BPF_MAX_LOOPS = 8 * 1024 * 1024,
};
#define BPF_F_ACCESS_MASK (BPF_F_RDONLY | \
BPF_F_RDONLY_PROG | \
BPF_F_WRONLY | \
BPF_F_WRONLY_PROG)
#define BPF_MAP_CAN_READ BIT(0)
#define BPF_MAP_CAN_WRITE BIT(1)
/* Maximum number of user-producer ring buffer samples that can be drained in
* a call to bpf_user_ringbuf_drain().
*/
#define BPF_MAX_USER_RINGBUF_SAMPLES (128 * 1024)
static inline u32 bpf_map_flags_to_cap(struct bpf_map *map)
{
u32 access_flags = map->map_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG);
/* Combination of BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG is
* not possible.
*/
if (access_flags & BPF_F_RDONLY_PROG)
return BPF_MAP_CAN_READ;
else if (access_flags & BPF_F_WRONLY_PROG)
return BPF_MAP_CAN_WRITE;
else
return BPF_MAP_CAN_READ | BPF_MAP_CAN_WRITE;
}
static inline bool bpf_map_flags_access_ok(u32 access_flags)
{
return (access_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG)) !=
(BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG);
}
struct bpf_event_entry {
struct perf_event *event;
struct file *perf_file;
struct file *map_file;
struct rcu_head rcu;
};
static inline bool map_type_contains_progs(struct bpf_map *map)
{
return map->map_type == BPF_MAP_TYPE_PROG_ARRAY ||
map->map_type == BPF_MAP_TYPE_DEVMAP ||
map->map_type == BPF_MAP_TYPE_CPUMAP;
}
bool bpf_prog_map_compatible(struct bpf_map *map, const struct bpf_prog *fp);
int bpf_prog_calc_tag(struct bpf_prog *fp);
const struct bpf_func_proto *bpf_get_trace_printk_proto(void);
const struct bpf_func_proto *bpf_get_trace_vprintk_proto(void);
typedef unsigned long (*bpf_ctx_copy_t)(void *dst, const void *src,
unsigned long off, unsigned long len);
typedef u32 (*bpf_convert_ctx_access_t)(enum bpf_access_type type,
const struct bpf_insn *src,
struct bpf_insn *dst,
struct bpf_prog *prog,
u32 *target_size);
u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size,
void *ctx, u64 ctx_size, bpf_ctx_copy_t ctx_copy);
/* an array of programs to be executed under rcu_lock.
*
* Typical usage:
* ret = bpf_prog_run_array(rcu_dereference(&bpf_prog_array), ctx, bpf_prog_run);
*
* the structure returned by bpf_prog_array_alloc() should be populated
* with program pointers and the last pointer must be NULL.
* The user has to keep refcnt on the program and make sure the program
* is removed from the array before bpf_prog_put().
* The 'struct bpf_prog_array *' should only be replaced with xchg()
* since other cpus are walking the array of pointers in parallel.
*/
struct bpf_prog_array_item {
struct bpf_prog *prog;
union {
struct bpf_cgroup_storage *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE];
u64 bpf_cookie;
};
};
struct bpf_prog_array {
struct rcu_head rcu;
struct bpf_prog_array_item items[];
};
struct bpf_empty_prog_array {
struct bpf_prog_array hdr;
struct bpf_prog *null_prog;
};
/* to avoid allocating empty bpf_prog_array for cgroups that
* don't have bpf program attached use one global 'bpf_empty_prog_array'
* It will not be modified the caller of bpf_prog_array_alloc()
* (since caller requested prog_cnt == 0)
* that pointer should be 'freed' by bpf_prog_array_free()
*/
extern struct bpf_empty_prog_array bpf_empty_prog_array;
struct bpf_prog_array *bpf_prog_array_alloc(u32 prog_cnt, gfp_t flags);
void bpf_prog_array_free(struct bpf_prog_array *progs);
/* Use when traversal over the bpf_prog_array uses tasks_trace rcu */
void bpf_prog_array_free_sleepable(struct bpf_prog_array *progs);
int bpf_prog_array_length(struct bpf_prog_array *progs);
bool bpf_prog_array_is_empty(struct bpf_prog_array *array);
int bpf_prog_array_copy_to_user(struct bpf_prog_array *progs,
__u32 __user *prog_ids, u32 cnt);
void bpf_prog_array_delete_safe(struct bpf_prog_array *progs,
struct bpf_prog *old_prog);
int bpf_prog_array_delete_safe_at(struct bpf_prog_array *array, int index);
int bpf_prog_array_update_at(struct bpf_prog_array *array, int index,
struct bpf_prog *prog);
int bpf_prog_array_copy_info(struct bpf_prog_array *array,
u32 *prog_ids, u32 request_cnt,
u32 *prog_cnt);
int bpf_prog_array_copy(struct bpf_prog_array *old_array,
struct bpf_prog *exclude_prog,
struct bpf_prog *include_prog,
u64 bpf_cookie,
struct bpf_prog_array **new_array);
struct bpf_run_ctx {};
struct bpf_cg_run_ctx {
struct bpf_run_ctx run_ctx;
const struct bpf_prog_array_item *prog_item;
int retval;
};
struct bpf_trace_run_ctx {
struct bpf_run_ctx run_ctx;
u64 bpf_cookie;
bool is_uprobe;
};
struct bpf_tramp_run_ctx {
struct bpf_run_ctx run_ctx;
u64 bpf_cookie;
struct bpf_run_ctx *saved_run_ctx;
};
static inline struct bpf_run_ctx *bpf_set_run_ctx(struct bpf_run_ctx *new_ctx)
{
struct bpf_run_ctx *old_ctx = NULL;
#ifdef CONFIG_BPF_SYSCALL
old_ctx = current->bpf_ctx;
current->bpf_ctx = new_ctx;
#endif
return old_ctx;
}
static inline void bpf_reset_run_ctx(struct bpf_run_ctx *old_ctx)
{
#ifdef CONFIG_BPF_SYSCALL
current->bpf_ctx = old_ctx;
#endif
}
/* BPF program asks to bypass CAP_NET_BIND_SERVICE in bind. */
#define BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE (1 << 0)
/* BPF program asks to set CN on the packet. */
#define BPF_RET_SET_CN (1 << 0)
typedef u32 (*bpf_prog_run_fn)(const struct bpf_prog *prog, const void *ctx);
static __always_inline u32
bpf_prog_run_array(const struct bpf_prog_array *array,
const void *ctx, bpf_prog_run_fn run_prog)
{
const struct bpf_prog_array_item *item;
const struct bpf_prog *prog;
struct bpf_run_ctx *old_run_ctx;
struct bpf_trace_run_ctx run_ctx;
u32 ret = 1;
RCU_LOCKDEP_WARN(!rcu_read_lock_held(), "no rcu lock held");
if (unlikely(!array))
return ret;
run_ctx.is_uprobe = false;
migrate_disable();
old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx);
item = &array->items[0];
while ((prog = READ_ONCE(item->prog))) {
run_ctx.bpf_cookie = item->bpf_cookie;
ret &= run_prog(prog, ctx);
item++;
}
bpf_reset_run_ctx(old_run_ctx);
migrate_enable();
return ret;
}
/* Notes on RCU design for bpf_prog_arrays containing sleepable programs:
*
* We use the tasks_trace rcu flavor read section to protect the bpf_prog_array
* overall. As a result, we must use the bpf_prog_array_free_sleepable
* in order to use the tasks_trace rcu grace period.
*
* When a non-sleepable program is inside the array, we take the rcu read
* section and disable preemption for that program alone, so it can access
* rcu-protected dynamically sized maps.
*/
static __always_inline u32
bpf_prog_run_array_uprobe(const struct bpf_prog_array *array,
const void *ctx, bpf_prog_run_fn run_prog)
{
const struct bpf_prog_array_item *item;
const struct bpf_prog *prog;
struct bpf_run_ctx *old_run_ctx;
struct bpf_trace_run_ctx run_ctx;
u32 ret = 1;
might_fault();
RCU_LOCKDEP_WARN(!rcu_read_lock_trace_held(), "no rcu lock held");
if (unlikely(!array))
return ret;
migrate_disable();
run_ctx.is_uprobe = true;
old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx);
item = &array->items[0];
while ((prog = READ_ONCE(item->prog))) {
if (!prog->sleepable)
rcu_read_lock();
run_ctx.bpf_cookie = item->bpf_cookie;
ret &= run_prog(prog, ctx);
item++;
if (!prog->sleepable)
rcu_read_unlock();
}
bpf_reset_run_ctx(old_run_ctx);
migrate_enable();
return ret;
}
#ifdef CONFIG_BPF_SYSCALL
DECLARE_PER_CPU(int, bpf_prog_active);
extern struct mutex bpf_stats_enabled_mutex;
/*
* Block execution of BPF programs attached to instrumentation (perf,
* kprobes, tracepoints) to prevent deadlocks on map operations as any of
* these events can happen inside a region which holds a map bucket lock
* and can deadlock on it.
*/
static inline void bpf_disable_instrumentation(void)
{
migrate_disable();
this_cpu_inc(bpf_prog_active);
}
static inline void bpf_enable_instrumentation(void)
{
this_cpu_dec(bpf_prog_active);
migrate_enable();
}
extern const struct super_operations bpf_super_ops;
extern const struct file_operations bpf_map_fops;
extern const struct file_operations bpf_prog_fops;
extern const struct file_operations bpf_iter_fops;
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
extern const struct bpf_prog_ops _name ## _prog_ops; \
extern const struct bpf_verifier_ops _name ## _verifier_ops;
#define BPF_MAP_TYPE(_id, _ops) \
extern const struct bpf_map_ops _ops;
#define BPF_LINK_TYPE(_id, _name)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
#undef BPF_MAP_TYPE
#undef BPF_LINK_TYPE
extern const struct bpf_prog_ops bpf_offload_prog_ops;
extern const struct bpf_verifier_ops tc_cls_act_analyzer_ops;
extern const struct bpf_verifier_ops xdp_analyzer_ops;
struct bpf_prog *bpf_prog_get(u32 ufd);
struct bpf_prog *bpf_prog_get_type_dev(u32 ufd, enum bpf_prog_type type,
bool attach_drv);
void bpf_prog_add(struct bpf_prog *prog, int i);
void bpf_prog_sub(struct bpf_prog *prog, int i);
void bpf_prog_inc(struct bpf_prog *prog);
struct bpf_prog * __must_check bpf_prog_inc_not_zero(struct bpf_prog *prog);
void bpf_prog_put(struct bpf_prog *prog);
void bpf_prog_free_id(struct bpf_prog *prog);
void bpf_map_free_id(struct bpf_map *map);
struct btf_field *btf_record_find(const struct btf_record *rec,
u32 offset, u32 field_mask);
void btf_record_free(struct btf_record *rec);
void bpf_map_free_record(struct bpf_map *map);
struct btf_record *btf_record_dup(const struct btf_record *rec);
bool btf_record_equal(const struct btf_record *rec_a, const struct btf_record *rec_b);
void bpf_obj_free_timer(const struct btf_record *rec, void *obj);
void bpf_obj_free_workqueue(const struct btf_record *rec, void *obj);
void bpf_obj_free_fields(const struct btf_record *rec, void *obj);
void __bpf_obj_drop_impl(void *p, const struct btf_record *rec, bool percpu);
struct bpf_map *bpf_map_get(u32 ufd);
struct bpf_map *bpf_map_get_with_uref(u32 ufd);
/*
* The __bpf_map_get() and __btf_get_by_fd() functions parse a file
* descriptor and return a corresponding map or btf object.
* Their names are double underscored to emphasize the fact that they
* do not increase refcnt. To also increase refcnt use corresponding
* bpf_map_get() and btf_get_by_fd() functions.
*/
static inline struct bpf_map *__bpf_map_get(struct fd f)
{
if (fd_empty(f))
return ERR_PTR(-EBADF);
if (unlikely(fd_file(f)->f_op != &bpf_map_fops))
return ERR_PTR(-EINVAL);
return fd_file(f)->private_data;
}
static inline struct btf *__btf_get_by_fd(struct fd f)
{
if (fd_empty(f))
return ERR_PTR(-EBADF);
if (unlikely(fd_file(f)->f_op != &btf_fops))
return ERR_PTR(-EINVAL);
return fd_file(f)->private_data;
}
void bpf_map_inc(struct bpf_map *map);
void bpf_map_inc_with_uref(struct bpf_map *map);
struct bpf_map *__bpf_map_inc_not_zero(struct bpf_map *map, bool uref);
struct bpf_map * __must_check bpf_map_inc_not_zero(struct bpf_map *map);
void bpf_map_put_with_uref(struct bpf_map *map);
void bpf_map_put(struct bpf_map *map);
void *bpf_map_area_alloc(u64 size, int numa_node);
void *bpf_map_area_mmapable_alloc(u64 size, int numa_node);
void bpf_map_area_free(void *base);
bool bpf_map_write_active(const struct bpf_map *map);
void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr);
int generic_map_lookup_batch(struct bpf_map *map,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
int generic_map_update_batch(struct bpf_map *map, struct file *map_file,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
int generic_map_delete_batch(struct bpf_map *map,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
struct bpf_map *bpf_map_get_curr_or_next(u32 *id);
struct bpf_prog *bpf_prog_get_curr_or_next(u32 *id);
int bpf_map_alloc_pages(const struct bpf_map *map, gfp_t gfp, int nid,
unsigned long nr_pages, struct page **page_array);
#ifdef CONFIG_MEMCG
void *bpf_map_kmalloc_node(const struct bpf_map *map, size_t size, gfp_t flags,
int node);
void *bpf_map_kzalloc(const struct bpf_map *map, size_t size, gfp_t flags);
void *bpf_map_kvcalloc(struct bpf_map *map, size_t n, size_t size,
gfp_t flags);
void __percpu *bpf_map_alloc_percpu(const struct bpf_map *map, size_t size,
size_t align, gfp_t flags);
#else
/*
* These specialized allocators have to be macros for their allocations to be
* accounted separately (to have separate alloc_tag).
*/
#define bpf_map_kmalloc_node(_map, _size, _flags, _node) \
kmalloc_node(_size, _flags, _node)
#define bpf_map_kzalloc(_map, _size, _flags) \
kzalloc(_size, _flags)
#define bpf_map_kvcalloc(_map, _n, _size, _flags) \
kvcalloc(_n, _size, _flags)
#define bpf_map_alloc_percpu(_map, _size, _align, _flags) \
__alloc_percpu_gfp(_size, _align, _flags)
#endif
static inline int
bpf_map_init_elem_count(struct bpf_map *map)
{
size_t size = sizeof(*map->elem_count), align = size;
gfp_t flags = GFP_USER | __GFP_NOWARN;
map->elem_count = bpf_map_alloc_percpu(map, size, align, flags);
if (!map->elem_count)
return -ENOMEM;
return 0;
}
static inline void
bpf_map_free_elem_count(struct bpf_map *map)
{
free_percpu(map->elem_count);
}
static inline void bpf_map_inc_elem_count(struct bpf_map *map)
{
this_cpu_inc(*map->elem_count);
}
static inline void bpf_map_dec_elem_count(struct bpf_map *map)
{
this_cpu_dec(*map->elem_count);
}
extern int sysctl_unprivileged_bpf_disabled;
bool bpf_token_capable(const struct bpf_token *token, int cap);
static inline bool bpf_allow_ptr_leaks(const struct bpf_token *token)
{
return bpf_token_capable(token, CAP_PERFMON);
}
static inline bool bpf_allow_uninit_stack(const struct bpf_token *token)
{
return bpf_token_capable(token, CAP_PERFMON);
}
static inline bool bpf_bypass_spec_v1(const struct bpf_token *token)
{
return cpu_mitigations_off() || bpf_token_capable(token, CAP_PERFMON);
}
static inline bool bpf_bypass_spec_v4(const struct bpf_token *token)
{
return cpu_mitigations_off() || bpf_token_capable(token, CAP_PERFMON);
}
int bpf_map_new_fd(struct bpf_map *map, int flags);
int bpf_prog_new_fd(struct bpf_prog *prog);
void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
const struct bpf_link_ops *ops, struct bpf_prog *prog);
void bpf_link_init_sleepable(struct bpf_link *link, enum bpf_link_type type,
const struct bpf_link_ops *ops, struct bpf_prog *prog,
bool sleepable);
int bpf_link_prime(struct bpf_link *link, struct bpf_link_primer *primer);
int bpf_link_settle(struct bpf_link_primer *primer);
void bpf_link_cleanup(struct bpf_link_primer *primer);
void bpf_link_inc(struct bpf_link *link);
struct bpf_link *bpf_link_inc_not_zero(struct bpf_link *link);
void bpf_link_put(struct bpf_link *link);
int bpf_link_new_fd(struct bpf_link *link);
struct bpf_link *bpf_link_get_from_fd(u32 ufd);
struct bpf_link *bpf_link_get_curr_or_next(u32 *id);
void bpf_token_inc(struct bpf_token *token);
void bpf_token_put(struct bpf_token *token);
int bpf_token_create(union bpf_attr *attr);
struct bpf_token *bpf_token_get_from_fd(u32 ufd);
bool bpf_token_allow_cmd(const struct bpf_token *token, enum bpf_cmd cmd);
bool bpf_token_allow_map_type(const struct bpf_token *token, enum bpf_map_type type);
bool bpf_token_allow_prog_type(const struct bpf_token *token,
enum bpf_prog_type prog_type,
enum bpf_attach_type attach_type);
int bpf_obj_pin_user(u32 ufd, int path_fd, const char __user *pathname);
int bpf_obj_get_user(int path_fd, const char __user *pathname, int flags);
struct inode *bpf_get_inode(struct super_block *sb, const struct inode *dir,
umode_t mode);
#define BPF_ITER_FUNC_PREFIX "bpf_iter_"
#define DEFINE_BPF_ITER_FUNC(target, args...) \
extern int bpf_iter_ ## target(args); \
int __init bpf_iter_ ## target(args) { return 0; }
/*
* The task type of iterators.
*
* For BPF task iterators, they can be parameterized with various
* parameters to visit only some of tasks.
*
* BPF_TASK_ITER_ALL (default)
* Iterate over resources of every task.
*
* BPF_TASK_ITER_TID
* Iterate over resources of a task/tid.
*
* BPF_TASK_ITER_TGID
* Iterate over resources of every task of a process / task group.
*/
enum bpf_iter_task_type {
BPF_TASK_ITER_ALL = 0,
BPF_TASK_ITER_TID,
BPF_TASK_ITER_TGID,
};
struct bpf_iter_aux_info {
/* for map_elem iter */
struct bpf_map *map;
/* for cgroup iter */
struct {
struct cgroup *start; /* starting cgroup */
enum bpf_cgroup_iter_order order;
} cgroup;
struct {
enum bpf_iter_task_type type;
u32 pid;
} task;
};
typedef int (*bpf_iter_attach_target_t)(struct bpf_prog *prog,
union bpf_iter_link_info *linfo,
struct bpf_iter_aux_info *aux);
typedef void (*bpf_iter_detach_target_t)(struct bpf_iter_aux_info *aux);
typedef void (*bpf_iter_show_fdinfo_t) (const struct bpf_iter_aux_info *aux,
struct seq_file *seq);
typedef int (*bpf_iter_fill_link_info_t)(const struct bpf_iter_aux_info *aux,
struct bpf_link_info *info);
typedef const struct bpf_func_proto *
(*bpf_iter_get_func_proto_t)(enum bpf_func_id func_id,
const struct bpf_prog *prog);
enum bpf_iter_feature {
BPF_ITER_RESCHED = BIT(0),
};
#define BPF_ITER_CTX_ARG_MAX 2
struct bpf_iter_reg {
const char *target;
bpf_iter_attach_target_t attach_target;
bpf_iter_detach_target_t detach_target;
bpf_iter_show_fdinfo_t show_fdinfo;
bpf_iter_fill_link_info_t fill_link_info;
bpf_iter_get_func_proto_t get_func_proto;
u32 ctx_arg_info_size;
u32 feature;
struct bpf_ctx_arg_aux ctx_arg_info[BPF_ITER_CTX_ARG_MAX];
const struct bpf_iter_seq_info *seq_info;
};
struct bpf_iter_meta {
__bpf_md_ptr(struct seq_file *, seq);
u64 session_id;
u64 seq_num;
};
struct bpf_iter__bpf_map_elem {
__bpf_md_ptr(struct bpf_iter_meta *, meta);
__bpf_md_ptr(struct bpf_map *, map);
__bpf_md_ptr(void *, key);
__bpf_md_ptr(void *, value);
};
int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info);
void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info);
int bpf_iter_prog_supported(struct bpf_prog *prog);
const struct bpf_func_proto *
bpf_iter_get_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog);
int bpf_iter_link_attach(const union bpf_attr *attr, bpfptr_t uattr, struct bpf_prog *prog);
int bpf_iter_new_fd(struct bpf_link *link);
bool bpf_link_is_iter(struct bpf_link *link);
struct bpf_prog *bpf_iter_get_info(struct bpf_iter_meta *meta, bool in_stop);
int bpf_iter_run_prog(struct bpf_prog *prog, void *ctx);
void bpf_iter_map_show_fdinfo(const struct bpf_iter_aux_info *aux,
struct seq_file *seq);
int bpf_iter_map_fill_link_info(const struct bpf_iter_aux_info *aux,
struct bpf_link_info *info);
int map_set_for_each_callback_args(struct bpf_verifier_env *env,
struct bpf_func_state *caller,
struct bpf_func_state *callee);
int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value);
int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value);
int bpf_percpu_hash_update(struct bpf_map *map, void *key, void *value,
u64 flags);
int bpf_percpu_array_update(struct bpf_map *map, void *key, void *value,
u64 flags);
int bpf_stackmap_copy(struct bpf_map *map, void *key, void *value);
int bpf_fd_array_map_update_elem(struct bpf_map *map, struct file *map_file,
void *key, void *value, u64 map_flags);
int bpf_fd_array_map_lookup_elem(struct bpf_map *map, void *key, u32 *value);
int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file,
void *key, void *value, u64 map_flags);
int bpf_fd_htab_map_lookup_elem(struct bpf_map *map, void *key, u32 *value);
int bpf_get_file_flag(int flags);
int bpf_check_uarg_tail_zero(bpfptr_t uaddr, size_t expected_size,
size_t actual_size);
/* verify correctness of eBPF program */
int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, bpfptr_t uattr, u32 uattr_size);
#ifndef CONFIG_BPF_JIT_ALWAYS_ON
void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth);
#endif
struct btf *bpf_get_btf_vmlinux(void);
/* Map specifics */
struct xdp_frame;
struct sk_buff;
struct bpf_dtab_netdev;
struct bpf_cpu_map_entry;
void __dev_flush(struct list_head *flush_list);
int dev_xdp_enqueue(struct net_device *dev, struct xdp_frame *xdpf,
struct net_device *dev_rx);
int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_frame *xdpf,
struct net_device *dev_rx);
int dev_map_enqueue_multi(struct xdp_frame *xdpf, struct net_device *dev_rx,
struct bpf_map *map, bool exclude_ingress);
int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb,
const struct bpf_prog *xdp_prog);
int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb,
const struct bpf_prog *xdp_prog,
struct bpf_map *map, bool exclude_ingress);
void __cpu_map_flush(struct list_head *flush_list);
int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_frame *xdpf,
struct net_device *dev_rx);
int cpu_map_generic_redirect(struct bpf_cpu_map_entry *rcpu,
struct sk_buff *skb);
/* Return map's numa specified by userspace */
static inline int bpf_map_attr_numa_node(const union bpf_attr *attr)
{
return (attr->map_flags & BPF_F_NUMA_NODE) ?
attr->numa_node : NUMA_NO_NODE;
}
struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type type);
int array_map_alloc_check(union bpf_attr *attr);
int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_tracing(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_raw_tp(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_sk_lookup(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_nf(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
bool btf_ctx_access(int off, int size, enum bpf_access_type type,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info);
static inline bool bpf_tracing_ctx_access(int off, int size,
enum bpf_access_type type)
{
if (off < 0 || off >= sizeof(__u64) * MAX_BPF_FUNC_ARGS)
return false;
if (type != BPF_READ)
return false;
if (off % size != 0)
return false;
return true;
}
static inline bool bpf_tracing_btf_ctx_access(int off, int size,
enum bpf_access_type type,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info)
{
if (!bpf_tracing_ctx_access(off, size, type))
return false;
return btf_ctx_access(off, size, type, prog, info);
}
int btf_struct_access(struct bpf_verifier_log *log,
const struct bpf_reg_state *reg,
int off, int size, enum bpf_access_type atype,
u32 *next_btf_id, enum bpf_type_flag *flag, const char **field_name);
bool btf_struct_ids_match(struct bpf_verifier_log *log,
const struct btf *btf, u32 id, int off,
const struct btf *need_btf, u32 need_type_id,
bool strict);
int btf_distill_func_proto(struct bpf_verifier_log *log,
struct btf *btf,
const struct btf_type *func_proto,
const char *func_name,
struct btf_func_model *m);
struct bpf_reg_state;
int btf_prepare_func_args(struct bpf_verifier_env *env, int subprog);
int btf_check_type_match(struct bpf_verifier_log *log, const struct bpf_prog *prog,
struct btf *btf, const struct btf_type *t);
const char *btf_find_decl_tag_value(const struct btf *btf, const struct btf_type *pt,
int comp_idx, const char *tag_key);
int btf_find_next_decl_tag(const struct btf *btf, const struct btf_type *pt,
int comp_idx, const char *tag_key, int last_id);
struct bpf_prog *bpf_prog_by_id(u32 id);
struct bpf_link *bpf_link_by_id(u32 id);
const struct bpf_func_proto *bpf_base_func_proto(enum bpf_func_id func_id,
const struct bpf_prog *prog);
void bpf_task_storage_free(struct task_struct *task);
void bpf_cgrp_storage_free(struct cgroup *cgroup);
bool bpf_prog_has_kfunc_call(const struct bpf_prog *prog);
const struct btf_func_model *
bpf_jit_find_kfunc_model(const struct bpf_prog *prog,
const struct bpf_insn *insn);
int bpf_get_kfunc_addr(const struct bpf_prog *prog, u32 func_id,
u16 btf_fd_idx, u8 **func_addr);
struct bpf_core_ctx {
struct bpf_verifier_log *log;
const struct btf *btf;
};
bool btf_nested_type_is_trusted(struct bpf_verifier_log *log,
const struct bpf_reg_state *reg,
const char *field_name, u32 btf_id, const char *suffix);
bool btf_type_ids_nocast_alias(struct bpf_verifier_log *log,
const struct btf *reg_btf, u32 reg_id,
const struct btf *arg_btf, u32 arg_id);
int bpf_core_apply(struct bpf_core_ctx *ctx, const struct bpf_core_relo *relo,
int relo_idx, void *insn);
static inline bool unprivileged_ebpf_enabled(void)
{
return !sysctl_unprivileged_bpf_disabled;
}
/* Not all bpf prog type has the bpf_ctx.
* For the bpf prog type that has initialized the bpf_ctx,
* this function can be used to decide if a kernel function
* is called by a bpf program.
*/
static inline bool has_current_bpf_ctx(void)
{
return !!current->bpf_ctx;
}
void notrace bpf_prog_inc_misses_counter(struct bpf_prog *prog);
void bpf_dynptr_init(struct bpf_dynptr_kern *ptr, void *data,
enum bpf_dynptr_type type, u32 offset, u32 size);
void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr);
void bpf_dynptr_set_rdonly(struct bpf_dynptr_kern *ptr);
#else /* !CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get(u32 ufd)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline struct bpf_prog *bpf_prog_get_type_dev(u32 ufd,
enum bpf_prog_type type,
bool attach_drv)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void bpf_prog_add(struct bpf_prog *prog, int i)
{
}
static inline void bpf_prog_sub(struct bpf_prog *prog, int i)
{
}
static inline void bpf_prog_put(struct bpf_prog *prog)
{
}
static inline void bpf_prog_inc(struct bpf_prog *prog)
{
}
static inline struct bpf_prog *__must_check
bpf_prog_inc_not_zero(struct bpf_prog *prog)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
const struct bpf_link_ops *ops,
struct bpf_prog *prog)
{
}
static inline void bpf_link_init_sleepable(struct bpf_link *link, enum bpf_link_type type,
const struct bpf_link_ops *ops, struct bpf_prog *prog,
bool sleepable)
{
}
static inline int bpf_link_prime(struct bpf_link *link,
struct bpf_link_primer *primer)
{
return -EOPNOTSUPP;
}
static inline int bpf_link_settle(struct bpf_link_primer *primer)
{
return -EOPNOTSUPP;
}
static inline void bpf_link_cleanup(struct bpf_link_primer *primer)
{
}
static inline void bpf_link_inc(struct bpf_link *link)
{
}
static inline struct bpf_link *bpf_link_inc_not_zero(struct bpf_link *link)
{
return NULL;
}
static inline void bpf_link_put(struct bpf_link *link)
{
}
static inline int bpf_obj_get_user(const char __user *pathname, int flags)
{
return -EOPNOTSUPP;
}
static inline bool bpf_token_capable(const struct bpf_token *token, int cap)
{
return capable(cap) || (cap != CAP_SYS_ADMIN && capable(CAP_SYS_ADMIN));
}
static inline void bpf_token_inc(struct bpf_token *token)
{
}
static inline void bpf_token_put(struct bpf_token *token)
{
}
static inline struct bpf_token *bpf_token_get_from_fd(u32 ufd)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void __dev_flush(struct list_head *flush_list)
{
}
struct xdp_frame;
struct bpf_dtab_netdev;
struct bpf_cpu_map_entry;
static inline
int dev_xdp_enqueue(struct net_device *dev, struct xdp_frame *xdpf,
struct net_device *dev_rx)
{
return 0;
}
static inline
int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_frame *xdpf,
struct net_device *dev_rx)
{
return 0;
}
static inline
int dev_map_enqueue_multi(struct xdp_frame *xdpf, struct net_device *dev_rx,
struct bpf_map *map, bool exclude_ingress)
{
return 0;
}
struct sk_buff;
static inline int dev_map_generic_redirect(struct bpf_dtab_netdev *dst,
struct sk_buff *skb,
const struct bpf_prog *xdp_prog)
{
return 0;
}
static inline
int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb,
const struct bpf_prog *xdp_prog,
struct bpf_map *map, bool exclude_ingress)
{
return 0;
}
static inline void __cpu_map_flush(struct list_head *flush_list)
{
}
static inline int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu,
struct xdp_frame *xdpf,
struct net_device *dev_rx)
{
return 0;
}
static inline int cpu_map_generic_redirect(struct bpf_cpu_map_entry *rcpu,
struct sk_buff *skb)
{
return -EOPNOTSUPP;
}
static inline struct bpf_prog *bpf_prog_get_type_path(const char *name,
enum bpf_prog_type type)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline int bpf_prog_test_run_xdp(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
static inline int bpf_prog_test_run_skb(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
static inline int bpf_prog_test_run_tracing(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
static inline int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
static inline int bpf_prog_test_run_sk_lookup(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
static inline void bpf_map_put(struct bpf_map *map)
{
}
static inline struct bpf_prog *bpf_prog_by_id(u32 id)
{
return ERR_PTR(-ENOTSUPP);
}
static inline int btf_struct_access(struct bpf_verifier_log *log,
const struct bpf_reg_state *reg,
int off, int size, enum bpf_access_type atype,
u32 *next_btf_id, enum bpf_type_flag *flag,
const char **field_name)
{
return -EACCES;
}
static inline const struct bpf_func_proto *
bpf_base_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
{
return NULL;
}
static inline void bpf_task_storage_free(struct task_struct *task)
{
}
static inline bool bpf_prog_has_kfunc_call(const struct bpf_prog *prog)
{
return false;
}
static inline const struct btf_func_model *
bpf_jit_find_kfunc_model(const struct bpf_prog *prog,
const struct bpf_insn *insn)
{
return NULL;
}
static inline int
bpf_get_kfunc_addr(const struct bpf_prog *prog, u32 func_id,
u16 btf_fd_idx, u8 **func_addr)
{
return -ENOTSUPP;
}
static inline bool unprivileged_ebpf_enabled(void)
{
return false;
}
static inline bool has_current_bpf_ctx(void)
{
return false;
}
static inline void bpf_prog_inc_misses_counter(struct bpf_prog *prog)
{
}
static inline void bpf_cgrp_storage_free(struct cgroup *cgroup)
{
}
static inline void bpf_dynptr_init(struct bpf_dynptr_kern *ptr, void *data,
enum bpf_dynptr_type type, u32 offset, u32 size)
{
}
static inline void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr)
{
}
static inline void bpf_dynptr_set_rdonly(struct bpf_dynptr_kern *ptr)
{
}
#endif /* CONFIG_BPF_SYSCALL */
static __always_inline int
bpf_probe_read_kernel_common(void *dst, u32 size, const void *unsafe_ptr)
{
int ret = -EFAULT;
if (IS_ENABLED(CONFIG_BPF_EVENTS))
ret = copy_from_kernel_nofault(dst, unsafe_ptr, size);
if (unlikely(ret < 0))
memset(dst, 0, size);
return ret;
}
void __bpf_free_used_btfs(struct btf_mod_pair *used_btfs, u32 len);
static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
enum bpf_prog_type type)
{
return bpf_prog_get_type_dev(ufd, type, false);
}
void __bpf_free_used_maps(struct bpf_prog_aux *aux,
struct bpf_map **used_maps, u32 len);
bool bpf_prog_get_ok(struct bpf_prog *, enum bpf_prog_type *, bool);
int bpf_prog_offload_compile(struct bpf_prog *prog);
void bpf_prog_dev_bound_destroy(struct bpf_prog *prog);
int bpf_prog_offload_info_fill(struct bpf_prog_info *info,
struct bpf_prog *prog);
int bpf_map_offload_info_fill(struct bpf_map_info *info, struct bpf_map *map);
int bpf_map_offload_lookup_elem(struct bpf_map *map, void *key, void *value);
int bpf_map_offload_update_elem(struct bpf_map *map,
void *key, void *value, u64 flags);
int bpf_map_offload_delete_elem(struct bpf_map *map, void *key);
int bpf_map_offload_get_next_key(struct bpf_map *map,
void *key, void *next_key);
bool bpf_offload_prog_map_match(struct bpf_prog *prog, struct bpf_map *map);
struct bpf_offload_dev *
bpf_offload_dev_create(const struct bpf_prog_offload_ops *ops, void *priv);
void bpf_offload_dev_destroy(struct bpf_offload_dev *offdev);
void *bpf_offload_dev_priv(struct bpf_offload_dev *offdev);
int bpf_offload_dev_netdev_register(struct bpf_offload_dev *offdev,
struct net_device *netdev);
void bpf_offload_dev_netdev_unregister(struct bpf_offload_dev *offdev,
struct net_device *netdev);
bool bpf_offload_dev_match(struct bpf_prog *prog, struct net_device *netdev);
void unpriv_ebpf_notify(int new_state);
#if defined(CONFIG_NET) && defined(CONFIG_BPF_SYSCALL)
int bpf_dev_bound_kfunc_check(struct bpf_verifier_log *log,
struct bpf_prog_aux *prog_aux);
void *bpf_dev_bound_resolve_kfunc(struct bpf_prog *prog, u32 func_id);
int bpf_prog_dev_bound_init(struct bpf_prog *prog, union bpf_attr *attr);
int bpf_prog_dev_bound_inherit(struct bpf_prog *new_prog, struct bpf_prog *old_prog);
void bpf_dev_bound_netdev_unregister(struct net_device *dev);
static inline bool bpf_prog_is_dev_bound(const struct bpf_prog_aux *aux)
{
return aux->dev_bound;
}
static inline bool bpf_prog_is_offloaded(const struct bpf_prog_aux *aux)
{
return aux->offload_requested;
}
bool bpf_prog_dev_bound_match(const struct bpf_prog *lhs, const struct bpf_prog *rhs);
static inline bool bpf_map_is_offloaded(struct bpf_map *map)
{
return unlikely(map->ops == &bpf_map_offload_ops);
}
struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr);
void bpf_map_offload_map_free(struct bpf_map *map);
u64 bpf_map_offload_map_mem_usage(const struct bpf_map *map);
int bpf_prog_test_run_syscall(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog);
int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value, u64 flags);
int sock_map_bpf_prog_query(const union bpf_attr *attr,
union bpf_attr __user *uattr);
int sock_map_link_create(const union bpf_attr *attr, struct bpf_prog *prog);
void sock_map_unhash(struct sock *sk);
void sock_map_destroy(struct sock *sk);
void sock_map_close(struct sock *sk, long timeout);
#else
static inline int bpf_dev_bound_kfunc_check(struct bpf_verifier_log *log,
struct bpf_prog_aux *prog_aux)
{
return -EOPNOTSUPP;
}
static inline void *bpf_dev_bound_resolve_kfunc(struct bpf_prog *prog,
u32 func_id)
{
return NULL;
}
static inline int bpf_prog_dev_bound_init(struct bpf_prog *prog,
union bpf_attr *attr)
{
return -EOPNOTSUPP;
}
static inline int bpf_prog_dev_bound_inherit(struct bpf_prog *new_prog,
struct bpf_prog *old_prog)
{
return -EOPNOTSUPP;
}
static inline void bpf_dev_bound_netdev_unregister(struct net_device *dev)
{
}
static inline bool bpf_prog_is_dev_bound(const struct bpf_prog_aux *aux)
{
return false;
}
static inline bool bpf_prog_is_offloaded(struct bpf_prog_aux *aux)
{
return false;
}
static inline bool bpf_prog_dev_bound_match(const struct bpf_prog *lhs, const struct bpf_prog *rhs)
{
return false;
}
static inline bool bpf_map_is_offloaded(struct bpf_map *map)
{
return false;
}
static inline struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void bpf_map_offload_map_free(struct bpf_map *map)
{
}
static inline u64 bpf_map_offload_map_mem_usage(const struct bpf_map *map)
{
return 0;
}
static inline int bpf_prog_test_run_syscall(struct bpf_prog *prog,
const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
return -ENOTSUPP;
}
#ifdef CONFIG_BPF_SYSCALL
static inline int sock_map_get_from_fd(const union bpf_attr *attr,
struct bpf_prog *prog)
{
return -EINVAL;
}
static inline int sock_map_prog_detach(const union bpf_attr *attr,
enum bpf_prog_type ptype)
{
return -EOPNOTSUPP;
}
static inline int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value,
u64 flags)
{
return -EOPNOTSUPP;
}
static inline int sock_map_bpf_prog_query(const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
return -EINVAL;
}
static inline int sock_map_link_create(const union bpf_attr *attr, struct bpf_prog *prog)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_BPF_SYSCALL */
#endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */
static __always_inline void
bpf_prog_inc_misses_counters(const struct bpf_prog_array *array)
{
const struct bpf_prog_array_item *item;
struct bpf_prog *prog;
if (unlikely(!array))
return;
item = &array->items[0];
while ((prog = READ_ONCE(item->prog))) {
bpf_prog_inc_misses_counter(prog);
item++;
}
}
#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL)
void bpf_sk_reuseport_detach(struct sock *sk);
int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key,
void *value);
int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key,
void *value, u64 map_flags);
#else
static inline void bpf_sk_reuseport_detach(struct sock *sk)
{
}
#ifdef CONFIG_BPF_SYSCALL
static inline int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map,
void *key, void *value)
{
return -EOPNOTSUPP;
}
static inline int bpf_fd_reuseport_array_update_elem(struct bpf_map *map,
void *key, void *value,
u64 map_flags)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_BPF_SYSCALL */
#endif /* defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) */
/* verifier prototypes for helper functions called from eBPF programs */
extern const struct bpf_func_proto bpf_map_lookup_elem_proto;
extern const struct bpf_func_proto bpf_map_update_elem_proto;
extern const struct bpf_func_proto bpf_map_delete_elem_proto;
extern const struct bpf_func_proto bpf_map_push_elem_proto;
extern const struct bpf_func_proto bpf_map_pop_elem_proto;
extern const struct bpf_func_proto bpf_map_peek_elem_proto;
extern const struct bpf_func_proto bpf_map_lookup_percpu_elem_proto;
extern const struct bpf_func_proto bpf_get_prandom_u32_proto;
extern const struct bpf_func_proto bpf_get_smp_processor_id_proto;
extern const struct bpf_func_proto bpf_get_numa_node_id_proto;
extern const struct bpf_func_proto bpf_tail_call_proto;
extern const struct bpf_func_proto bpf_ktime_get_ns_proto;
extern const struct bpf_func_proto bpf_ktime_get_boot_ns_proto;
extern const struct bpf_func_proto bpf_ktime_get_tai_ns_proto;
extern const struct bpf_func_proto bpf_get_current_pid_tgid_proto;
extern const struct bpf_func_proto bpf_get_current_uid_gid_proto;
extern const struct bpf_func_proto bpf_get_current_comm_proto;
extern const struct bpf_func_proto bpf_get_stackid_proto;
extern const struct bpf_func_proto bpf_get_stack_proto;
extern const struct bpf_func_proto bpf_get_stack_sleepable_proto;
extern const struct bpf_func_proto bpf_get_task_stack_proto;
extern const struct bpf_func_proto bpf_get_task_stack_sleepable_proto;
extern const struct bpf_func_proto bpf_get_stackid_proto_pe;
extern const struct bpf_func_proto bpf_get_stack_proto_pe;
extern const struct bpf_func_proto bpf_sock_map_update_proto;
extern const struct bpf_func_proto bpf_sock_hash_update_proto;
extern const struct bpf_func_proto bpf_get_current_cgroup_id_proto;
extern const struct bpf_func_proto bpf_get_current_ancestor_cgroup_id_proto;
extern const struct bpf_func_proto bpf_get_cgroup_classid_curr_proto;
extern const struct bpf_func_proto bpf_current_task_under_cgroup_proto;
extern const struct bpf_func_proto bpf_msg_redirect_hash_proto;
extern const struct bpf_func_proto bpf_msg_redirect_map_proto;
extern const struct bpf_func_proto bpf_sk_redirect_hash_proto;
extern const struct bpf_func_proto bpf_sk_redirect_map_proto;
extern const struct bpf_func_proto bpf_spin_lock_proto;
extern const struct bpf_func_proto bpf_spin_unlock_proto;
extern const struct bpf_func_proto bpf_get_local_storage_proto;
extern const struct bpf_func_proto bpf_strtol_proto;
extern const struct bpf_func_proto bpf_strtoul_proto;
extern const struct bpf_func_proto bpf_tcp_sock_proto;
extern const struct bpf_func_proto bpf_jiffies64_proto;
extern const struct bpf_func_proto bpf_get_ns_current_pid_tgid_proto;
extern const struct bpf_func_proto bpf_event_output_data_proto;
extern const struct bpf_func_proto bpf_ringbuf_output_proto;
extern const struct bpf_func_proto bpf_ringbuf_reserve_proto;
extern const struct bpf_func_proto bpf_ringbuf_submit_proto;
extern const struct bpf_func_proto bpf_ringbuf_discard_proto;
extern const struct bpf_func_proto bpf_ringbuf_query_proto;
extern const struct bpf_func_proto bpf_ringbuf_reserve_dynptr_proto;
extern const struct bpf_func_proto bpf_ringbuf_submit_dynptr_proto;
extern const struct bpf_func_proto bpf_ringbuf_discard_dynptr_proto;
extern const struct bpf_func_proto bpf_skc_to_tcp6_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_tcp_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_tcp_timewait_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_tcp_request_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_udp6_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_unix_sock_proto;
extern const struct bpf_func_proto bpf_skc_to_mptcp_sock_proto;
extern const struct bpf_func_proto bpf_copy_from_user_proto;
extern const struct bpf_func_proto bpf_snprintf_btf_proto;
extern const struct bpf_func_proto bpf_snprintf_proto;
extern const struct bpf_func_proto bpf_per_cpu_ptr_proto;
extern const struct bpf_func_proto bpf_this_cpu_ptr_proto;
extern const struct bpf_func_proto bpf_ktime_get_coarse_ns_proto;
extern const struct bpf_func_proto bpf_sock_from_file_proto;
extern const struct bpf_func_proto bpf_get_socket_ptr_cookie_proto;
extern const struct bpf_func_proto bpf_task_storage_get_recur_proto;
extern const struct bpf_func_proto bpf_task_storage_get_proto;
extern const struct bpf_func_proto bpf_task_storage_delete_recur_proto;
extern const struct bpf_func_proto bpf_task_storage_delete_proto;
extern const struct bpf_func_proto bpf_for_each_map_elem_proto;
extern const struct bpf_func_proto bpf_btf_find_by_name_kind_proto;
extern const struct bpf_func_proto bpf_sk_setsockopt_proto;
extern const struct bpf_func_proto bpf_sk_getsockopt_proto;
extern const struct bpf_func_proto bpf_unlocked_sk_setsockopt_proto;
extern const struct bpf_func_proto bpf_unlocked_sk_getsockopt_proto;
extern const struct bpf_func_proto bpf_find_vma_proto;
extern const struct bpf_func_proto bpf_loop_proto;
extern const struct bpf_func_proto bpf_copy_from_user_task_proto;
extern const struct bpf_func_proto bpf_set_retval_proto;
extern const struct bpf_func_proto bpf_get_retval_proto;
extern const struct bpf_func_proto bpf_user_ringbuf_drain_proto;
extern const struct bpf_func_proto bpf_cgrp_storage_get_proto;
extern const struct bpf_func_proto bpf_cgrp_storage_delete_proto;
const struct bpf_func_proto *tracing_prog_func_proto(
enum bpf_func_id func_id, const struct bpf_prog *prog);
/* Shared helpers among cBPF and eBPF. */
void bpf_user_rnd_init_once(void);
u64 bpf_user_rnd_u32(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
u64 bpf_get_raw_cpu_id(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
#if defined(CONFIG_NET)
bool bpf_sock_common_is_valid_access(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info);
bool bpf_sock_is_valid_access(int off, int size, enum bpf_access_type type,
struct bpf_insn_access_aux *info);
u32 bpf_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size);
int bpf_dynptr_from_skb_rdonly(struct __sk_buff *skb, u64 flags,
struct bpf_dynptr *ptr);
#else
static inline bool bpf_sock_common_is_valid_access(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
return false;
}
static inline bool bpf_sock_is_valid_access(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
return false;
}
static inline u32 bpf_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size)
{
return 0;
}
static inline int bpf_dynptr_from_skb_rdonly(struct __sk_buff *skb, u64 flags,
struct bpf_dynptr *ptr)
{
return -EOPNOTSUPP;
}
#endif
#ifdef CONFIG_INET
struct sk_reuseport_kern {
struct sk_buff *skb;
struct sock *sk;
struct sock *selected_sk;
struct sock *migrating_sk;
void *data_end;
u32 hash;
u32 reuseport_id;
bool bind_inany;
};
bool bpf_tcp_sock_is_valid_access(int off, int size, enum bpf_access_type type,
struct bpf_insn_access_aux *info);
u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size);
bool bpf_xdp_sock_is_valid_access(int off, int size, enum bpf_access_type type,
struct bpf_insn_access_aux *info);
u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size);
#else
static inline bool bpf_tcp_sock_is_valid_access(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
return false;
}
static inline u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size)
{
return 0;
}
static inline bool bpf_xdp_sock_is_valid_access(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
return false;
}
static inline u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type,
const struct bpf_insn *si,
struct bpf_insn *insn_buf,
struct bpf_prog *prog,
u32 *target_size)
{
return 0;
}
#endif /* CONFIG_INET */
enum bpf_text_poke_type {
BPF_MOD_CALL,
BPF_MOD_JUMP,
};
int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
void *addr1, void *addr2);
void bpf_arch_poke_desc_update(struct bpf_jit_poke_descriptor *poke,
struct bpf_prog *new, struct bpf_prog *old);
void *bpf_arch_text_copy(void *dst, void *src, size_t len);
int bpf_arch_text_invalidate(void *dst, size_t len);
struct btf_id_set;
bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
#define MAX_BPRINTF_VARARGS 12
#define MAX_BPRINTF_BUF 1024
struct bpf_bprintf_data {
u32 *bin_args;
char *buf;
bool get_bin_args;
bool get_buf;
};
int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args,
u32 num_args, struct bpf_bprintf_data *data);
void bpf_bprintf_cleanup(struct bpf_bprintf_data *data);
#ifdef CONFIG_BPF_LSM
void bpf_cgroup_atype_get(u32 attach_btf_id, int cgroup_atype);
void bpf_cgroup_atype_put(int cgroup_atype);
#else
static inline void bpf_cgroup_atype_get(u32 attach_btf_id, int cgroup_atype) {}
static inline void bpf_cgroup_atype_put(int cgroup_atype) {}
#endif /* CONFIG_BPF_LSM */
struct key;
#ifdef CONFIG_KEYS
struct bpf_key {
struct key *key;
bool has_ref;
};
#endif /* CONFIG_KEYS */
static inline bool type_is_alloc(u32 type)
{
return type & MEM_ALLOC;
}
static inline gfp_t bpf_memcg_flags(gfp_t flags)
{
if (memcg_bpf_enabled())
return flags | __GFP_ACCOUNT;
return flags;
}
static inline bool bpf_is_subprog(const struct bpf_prog *prog)
{
return prog->aux->func_idx != 0;
}
#endif /* _LINUX_BPF_H */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| amba | Folder | 0755 |
|
|
| atomic | Folder | 0755 |
|
|
| avf | Folder | 0755 |
|
|
| bcma | Folder | 0755 |
|
|
| bus | Folder | 0755 |
|
|
| byteorder | Folder | 0755 |
|
|
| can | Folder | 0755 |
|
|
| cdx | Folder | 0755 |
|
|
| ceph | Folder | 0755 |
|
|
| clk | Folder | 0755 |
|
|
| comedi | Folder | 0755 |
|
|
| crush | Folder | 0755 |
|
|
| decompress | Folder | 0755 |
|
|
| device | Folder | 0755 |
|
|
| dma | Folder | 0755 |
|
|
| dsa | Folder | 0755 |
|
|
| extcon | Folder | 0755 |
|
|
| firmware | Folder | 0755 |
|
|
| fpga | Folder | 0755 |
|
|
| framer | Folder | 0755 |
|
|
| fsl | Folder | 0755 |
|
|
| gpio | Folder | 0755 |
|
|
| greybus | Folder | 0755 |
|
|
| habanalabs | Folder | 0755 |
|
|
| hsi | Folder | 0755 |
|
|
| i3c | Folder | 0755 |
|
|
| iio | Folder | 0755 |
|
|
| input | Folder | 0755 |
|
|
| io_uring | Folder | 0755 |
|
|
| irqchip | Folder | 0755 |
|
|
| isdn | Folder | 0755 |
|
|
| lockd | Folder | 0755 |
|
|
| lsm | Folder | 0755 |
|
|
| mailbox | Folder | 0755 |
|
|
| mdio | Folder | 0755 |
|
|
| memory | Folder | 0755 |
|
|
| mfd | Folder | 0755 |
|
|
| misc | Folder | 0755 |
|
|
| mlx4 | Folder | 0755 |
|
|
| mlx5 | Folder | 0755 |
|
|
| mmc | Folder | 0755 |
|
|
| mtd | Folder | 0755 |
|
|
| mux | Folder | 0755 |
|
|
| net | Folder | 0755 |
|
|
| netfilter | Folder | 0755 |
|
|
| netfilter_arp | Folder | 0755 |
|
|
| netfilter_bridge | Folder | 0755 |
|
|
| netfilter_ipv4 | Folder | 0755 |
|
|
| netfilter_ipv6 | Folder | 0755 |
|
|
| pcs | Folder | 0755 |
|
|
| pds | Folder | 0755 |
|
|
| perf | Folder | 0755 |
|
|
| phy | Folder | 0755 |
|
|
| pinctrl | Folder | 0755 |
|
|
| platform_data | Folder | 0755 |
|
|
| power | Folder | 0755 |
|
|
| pse-pd | Folder | 0755 |
|
|
| pwrseq | Folder | 0755 |
|
|
| qat | Folder | 0755 |
|
|
| qed | Folder | 0755 |
|
|
| raid | Folder | 0755 |
|
|
| regulator | Folder | 0755 |
|
|
| remoteproc | Folder | 0755 |
|
|
| reset | Folder | 0755 |
|
|
| rpmsg | Folder | 0755 |
|
|
| rtc | Folder | 0755 |
|
|
| sched | Folder | 0755 |
|
|
| soc | Folder | 0755 |
|
|
| soundwire | Folder | 0755 |
|
|
| spi | Folder | 0755 |
|
|
| ssb | Folder | 0755 |
|
|
| sunrpc | Folder | 0755 |
|
|
| surface_aggregator | Folder | 0755 |
|
|
| ulpi | Folder | 0755 |
|
|
| unaligned | Folder | 0755 |
|
|
| usb | Folder | 0755 |
|
|
| 8250_pci.h | File | 1.01 KB | 0644 |
|
| acct.h | File | 2.45 KB | 0644 |
|
| acpi.h | File | 44.88 KB | 0644 |
|
| acpi_amd_wbrf.h | File | 2.24 KB | 0644 |
|
| acpi_dma.h | File | 2.95 KB | 0644 |
|
| acpi_iort.h | File | 2.64 KB | 0644 |
|
| acpi_mdio.h | File | 819 B | 0644 |
|
| acpi_pmtmr.h | File | 1.02 KB | 0644 |
|
| acpi_viot.h | File | 478 B | 0644 |
|
| adb.h | File | 1.79 KB | 0644 |
|
| adfs_fs.h | File | 574 B | 0644 |
|
| adreno-smmu-priv.h | File | 3.15 KB | 0644 |
|
| adxl.h | File | 310 B | 0644 |
|
| aer.h | File | 1.49 KB | 0644 |
|
| agp_backend.h | File | 3.45 KB | 0644 |
|
| agpgart.h | File | 3.79 KB | 0644 |
|
| ahci-remap.h | File | 607 B | 0644 |
|
| ahci_platform.h | File | 1.81 KB | 0644 |
|
| aio.h | File | 570 B | 0644 |
|
| alarmtimer.h | File | 1.83 KB | 0644 |
|
| alcor_pci.h | File | 8.74 KB | 0644 |
|
| align.h | File | 552 B | 0644 |
|
| alloc_tag.h | File | 6.4 KB | 0644 |
|
| altera_jtaguart.h | File | 379 B | 0644 |
|
| altera_uart.h | File | 397 B | 0644 |
|
| amd-iommu.h | File | 2.12 KB | 0644 |
|
| amd-pmf-io.h | File | 1.58 KB | 0644 |
|
| anon_inodes.h | File | 1021 B | 0644 |
|
| aperture.h | File | 1.61 KB | 0644 |
|
| apm-emulation.h | File | 1.56 KB | 0644 |
|
| apm_bios.h | File | 2.25 KB | 0644 |
|
| apple-gmux.h | File | 4.63 KB | 0644 |
|
| arch_topology.h | File | 2.93 KB | 0644 |
|
| args.h | File | 1021 B | 0644 |
|
| arm-cci.h | File | 1.39 KB | 0644 |
|
| arm-smccc.h | File | 20.7 KB | 0644 |
|
| arm_ffa.h | File | 14.71 KB | 0644 |
|
| arm_sdei.h | File | 2.67 KB | 0644 |
|
| armada-37xx-rwtm-mailbox.h | File | 431 B | 0644 |
|
| array_size.h | File | 332 B | 0644 |
|
| ascii85.h | File | 555 B | 0644 |
|
| asn1.h | File | 1.79 KB | 0644 |
|
| asn1_ber_bytecode.h | File | 2.52 KB | 0644 |
|
| asn1_decoder.h | File | 493 B | 0644 |
|
| asn1_encoder.h | File | 983 B | 0644 |
|
| assoc_array.h | File | 2.88 KB | 0644 |
|
| assoc_array_priv.h | File | 5.3 KB | 0644 |
|
| async.h | File | 4.36 KB | 0644 |
|
| async_tx.h | File | 6.7 KB | 0644 |
|
| ata.h | File | 30.39 KB | 0644 |
|
| ata_platform.h | File | 755 B | 0644 |
|
| atalk.h | File | 4.45 KB | 0644 |
|
| atm.h | File | 287 B | 0644 |
|
| atm_tcp.h | File | 542 B | 0644 |
|
| atmdev.h | File | 10.17 KB | 0644 |
|
| atmel-isc-media.h | File | 2.07 KB | 0644 |
|
| atmel-ssc.h | File | 9.74 KB | 0644 |
|
| atmel_pdc.h | File | 1.26 KB | 0644 |
|
| atomic.h | File | 2.58 KB | 0644 |
|
| attribute_container.h | File | 2.47 KB | 0644 |
|
| audit.h | File | 20.48 KB | 0644 |
|
| audit_arch.h | File | 559 B | 0644 |
|
| auto_dev-ioctl.h | File | 296 B | 0644 |
|
| auto_fs.h | File | 278 B | 0644 |
|
| auxiliary_bus.h | File | 10.33 KB | 0644 |
|
| auxvec.h | File | 304 B | 0644 |
|
| average.h | File | 2.42 KB | 0644 |
|
| backing-dev-defs.h | File | 8.4 KB | 0644 |
|
| backing-dev.h | File | 10.41 KB | 0644 |
|
| backing-file.h | File | 1.51 KB | 0644 |
|
| backlight.h | File | 11.9 KB | 0644 |
|
| badblocks.h | File | 2.66 KB | 0644 |
|
| balloon_compaction.h | File | 6 KB | 0644 |
|
| base64.h | File | 370 B | 0644 |
|
| bcd.h | File | 683 B | 0644 |
|
| bch.h | File | 2.1 KB | 0644 |
|
| bcm47xx_nvram.h | File | 1.2 KB | 0644 |
|
| bcm47xx_sprom.h | File | 616 B | 0644 |
|
| bcm47xx_wdt.h | File | 555 B | 0644 |
|
| bcm963xx_nvram.h | File | 2.96 KB | 0644 |
|
| bcm963xx_tag.h | File | 3.6 KB | 0644 |
|
| binfmts.h | File | 4.63 KB | 0644 |
|
| bio-integrity.h | File | 4.16 KB | 0644 |
|
| bio.h | File | 18.01 KB | 0644 |
|
| bit_spinlock.h | File | 2.3 KB | 0644 |
|
| bitfield.h | File | 6.39 KB | 0644 |
|
| bitmap-str.h | File | 842 B | 0644 |
|
| bitmap.h | File | 29.11 KB | 0644 |
|
| bitops.h | File | 10.14 KB | 0644 |
|
| bitrev.h | File | 2.53 KB | 0644 |
|
| bits.h | File | 1.57 KB | 0644 |
|
| blk-cgroup.h | File | 1.53 KB | 0644 |
|
| blk-crypto-profile.h | File | 5.3 KB | 0644 |
|
| blk-crypto.h | File | 4.13 KB | 0644 |
|
| blk-integrity.h | File | 3.99 KB | 0644 |
|
| blk-mq.h | File | 33.72 KB | 0644 |
|
| blk-pm.h | File | 647 B | 0644 |
|
| blk_types.h | File | 15.31 KB | 0644 |
|
| blkdev.h | File | 49.82 KB | 0644 |
|
| blkpg.h | File | 436 B | 0644 |
|
| blktrace_api.h | File | 3.55 KB | 0644 |
|
| blockgroup_lock.h | File | 810 B | 0644 |
|
| bma150.h | File | 1.25 KB | 0644 |
|
| bootconfig.h | File | 9.27 KB | 0644 |
|
| bootmem_info.h | File | 2.04 KB | 0644 |
|
| bottom_half.h | File | 1013 B | 0644 |
|
| bpf-cgroup-defs.h | File | 2.07 KB | 0644 |
|
| bpf-cgroup.h | File | 18.4 KB | 0644 |
|
| bpf-netns.h | File | 1.41 KB | 0644 |
|
| bpf.h | File | 110.52 KB | 0644 |
|
| bpf_crypto.h | File | 865 B | 0644 |
|
| bpf_lirc.h | File | 698 B | 0644 |
|
| bpf_local_storage.h | File | 6.61 KB | 0644 |
|
| bpf_lsm.h | File | 2.01 KB | 0644 |
|
| bpf_mem_alloc.h | File | 2.05 KB | 0644 |
|
| bpf_mprog.h | File | 9.29 KB | 0644 |
|
| bpf_trace.h | File | 166 B | 0644 |
|
| bpf_types.h | File | 6.1 KB | 0644 |
|
| bpf_verifier.h | File | 33.06 KB | 0644 |
|
| bpfptr.h | File | 2.09 KB | 0644 |
|
| brcmphy.h | File | 21.77 KB | 0644 |
|
| bsearch.h | File | 624 B | 0644 |
|
| bsg-lib.h | File | 1.71 KB | 0644 |
|
| bsg.h | File | 499 B | 0644 |
|
| btf.h | File | 20.05 KB | 0644 |
|
| btf_ids.h | File | 8.18 KB | 0644 |
|
| btree-128.h | File | 2.67 KB | 0644 |
|
| btree-type.h | File | 3.9 KB | 0644 |
|
| btree.h | File | 6.84 KB | 0644 |
|
| btrfs.h | File | 145 B | 0644 |
|
| buffer_head.h | File | 17.37 KB | 0644 |
|
| bug.h | File | 2.33 KB | 0644 |
|
| build-salt.h | File | 375 B | 0644 |
|
| build_bug.h | File | 2.99 KB | 0644 |
|
| buildid.h | File | 671 B | 0644 |
|
| bvec.h | File | 7.54 KB | 0644 |
|
| c2port.h | File | 1.35 KB | 0644 |
|
| cache.h | File | 5.51 KB | 0644 |
|
| cacheflush.h | File | 675 B | 0644 |
|
| cacheinfo.h | File | 4.92 KB | 0644 |
|
| call_once.h | File | 1.67 KB | 0644 |
|
| capability.h | File | 6.27 KB | 0644 |
|
| cb710.h | File | 5.36 KB | 0644 |
|
| cc_platform.h | File | 3.42 KB | 0644 |
|
| cciss_ioctl.h | File | 1.03 KB | 0644 |
|
| ccp.h | File | 18.14 KB | 0644 |
|
| cdev.h | File | 845 B | 0644 |
|
| cdrom.h | File | 8.92 KB | 0644 |
|
| cfag12864b.h | File | 1.07 KB | 0644 |
|
| cfi.h | File | 1.23 KB | 0644 |
|
| cfi_types.h | File | 1.06 KB | 0644 |
|
| cgroup-defs.h | File | 26.77 KB | 0644 |
|
| cgroup.h | File | 26.33 KB | 0644 |
|
| cgroup_api.h | File | 26 B | 0644 |
|
| cgroup_dmem.h | File | 1.91 KB | 0644 |
|
| cgroup_rdma.h | File | 1.18 KB | 0644 |
|
| cgroup_refcnt.h | File | 2.59 KB | 0644 |
|
| cgroup_subsys.h | File | 1.28 KB | 0644 |
|
| circ_buf.h | File | 1.09 KB | 0644 |
|
| cleanup.h | File | 13.45 KB | 0644 |
|
| clk-provider.h | File | 65.77 KB | 0644 |
|
| clk.h | File | 36.18 KB | 0644 |
|
| clkdev.h | File | 1.2 KB | 0644 |
|
| clockchips.h | File | 7.29 KB | 0644 |
|
| clocksource.h | File | 11.01 KB | 0644 |
|
| clocksource_ids.h | File | 333 B | 0644 |
|
| closure.h | File | 14.22 KB | 0644 |
|
| cma.h | File | 2.26 KB | 0644 |
|
| cmpxchg-emu.h | File | 435 B | 0644 |
|
| cn_proc.h | File | 1.85 KB | 0644 |
|
| cnt32_to_63.h | File | 3.46 KB | 0644 |
|
| coda.h | File | 2.16 KB | 0644 |
|
| codetag.h | File | 3.4 KB | 0644 |
|
| compaction.h | File | 4.5 KB | 0644 |
|
| compat.h | File | 32.32 KB | 0644 |
|
| compiler-clang.h | File | 4.13 KB | 0644 |
|
| compiler-gcc.h | File | 3.92 KB | 0644 |
|
| compiler-version.h | File | 517 B | 0644 |
|
| compiler.h | File | 12.26 KB | 0644 |
|
| compiler_attributes.h | File | 15.91 KB | 0644 |
|
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| ctype.h | File | 1.87 KB | 0644 |
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| dccp.h | File | 10.74 KB | 0644 |
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| debug_locks.h | File | 1.57 KB | 0644 |
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| debugfs.h | File | 15.87 KB | 0644 |
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| debugobjects.h | File | 4.09 KB | 0644 |
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| delay.h | File | 4.18 KB | 0644 |
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| delayacct.h | File | 7.08 KB | 0644 |
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| delayed_call.h | File | 709 B | 0644 |
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| devcoredump.h | File | 3.53 KB | 0644 |
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| devfreq-event.h | File | 5.95 KB | 0644 |
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| devfreq.h | File | 14.52 KB | 0644 |
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| devfreq_cooling.h | File | 2.7 KB | 0644 |
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| device-mapper.h | File | 21.11 KB | 0644 |
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| device.h | File | 43.19 KB | 0644 |
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| device_cgroup.h | File | 1.57 KB | 0644 |
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| devm-helpers.h | File | 2.67 KB | 0644 |
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| devpts_fs.h | File | 1.13 KB | 0644 |
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| dfl.h | File | 2.72 KB | 0644 |
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| digsig.h | File | 1.18 KB | 0644 |
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| dim.h | File | 12.69 KB | 0644 |
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| dio.h | File | 10.77 KB | 0644 |
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| dlm.h | File | 6.44 KB | 0644 |
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| dlm_plock.h | File | 642 B | 0644 |
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| dm-dirty-log.h | File | 4 KB | 0644 |
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| dm-io.h | File | 2.03 KB | 0644 |
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| dm-kcopyd.h | File | 3.03 KB | 0644 |
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| dm-region-hash.h | File | 3.16 KB | 0644 |
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| dm-verity-loadpin.h | File | 617 B | 0644 |
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| dm9000.h | File | 987 B | 0644 |
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| dma-buf.h | File | 21.21 KB | 0644 |
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| dma-direct.h | File | 4.16 KB | 0644 |
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| dma-fence-chain.h | File | 3.66 KB | 0644 |
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| dma-fence-unwrap.h | File | 2.24 KB | 0644 |
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| dma-fence.h | File | 22.94 KB | 0644 |
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| dma-heap.h | File | 1.13 KB | 0644 |
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| dma-map-ops.h | File | 15.89 KB | 0644 |
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| dma-mapping.h | File | 21.19 KB | 0644 |
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| dma-resv.h | File | 16.94 KB | 0644 |
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| dmaengine.h | File | 55.21 KB | 0644 |
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| dmapool.h | File | 1.79 KB | 0644 |
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| dmar.h | File | 8.06 KB | 0644 |
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| dmi.h | File | 4.27 KB | 0644 |
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| dnotify.h | File | 1012 B | 0644 |
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| dns_resolver.h | File | 1.36 KB | 0644 |
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| dpll.h | File | 6.78 KB | 0644 |
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| dqblk_qtree.h | File | 2.19 KB | 0644 |
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| dqblk_v1.h | File | 327 B | 0644 |
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| dqblk_v2.h | File | 406 B | 0644 |
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| drbd.h | File | 9.92 KB | 0644 |
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| drbd_config.h | File | 285 B | 0644 |
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| drbd_genl.h | File | 21.49 KB | 0644 |
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| drbd_genl_api.h | File | 1.76 KB | 0644 |
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| drbd_limits.h | File | 7.92 KB | 0644 |
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| ds2782_battery.h | File | 158 B | 0644 |
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| dtlk.h | File | 3.5 KB | 0644 |
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| dtpm.h | File | 1.46 KB | 0644 |
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| dw_apb_timer.h | File | 1.32 KB | 0644 |
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| dynamic_debug.h | File | 10.96 KB | 0644 |
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| dynamic_queue_limits.h | File | 5.43 KB | 0644 |
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| earlycpio.h | File | 359 B | 0644 |
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| ecryptfs.h | File | 3.82 KB | 0644 |
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| edac.h | File | 19.44 KB | 0644 |
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| edd.h | File | 1.05 KB | 0644 |
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| eeprom_93cx6.h | File | 2.64 KB | 0644 |
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| efi-bgrt.h | File | 644 B | 0644 |
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| efi.h | File | 44.59 KB | 0644 |
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| efi_embedded_fw.h | File | 1.04 KB | 0644 |
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| efs_vh.h | File | 1.55 KB | 0644 |
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| eisa.h | File | 2.97 KB | 0644 |
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| elf-fdpic.h | File | 2.39 KB | 0644 |
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| elf-randomize.h | File | 583 B | 0644 |
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| elf.h | File | 2.97 KB | 0644 |
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| elfcore-compat.h | File | 1.43 KB | 0644 |
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| elfcore.h | File | 3.93 KB | 0644 |
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| elfnote-lto.h | File | 314 B | 0644 |
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| elfnote.h | File | 3.54 KB | 0644 |
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| enclosure.h | File | 4.02 KB | 0644 |
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| energy_model.h | File | 13.12 KB | 0644 |
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| entry-common.h | File | 18.62 KB | 0644 |
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| entry-kvm.h | File | 2.77 KB | 0644 |
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| err.h | File | 3.35 KB | 0644 |
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| errname.h | File | 283 B | 0644 |
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| errno.h | File | 1.45 KB | 0644 |
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| error-injection.h | File | 630 B | 0644 |
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| errqueue.h | File | 524 B | 0644 |
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| errseq.h | File | 382 B | 0644 |
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| etherdevice.h | File | 19.37 KB | 0644 |
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| ethtool.h | File | 52.71 KB | 0644 |
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| ethtool_netlink.h | File | 3.74 KB | 0644 |
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| eventfd.h | File | 2.1 KB | 0644 |
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| eventpoll.h | File | 2.41 KB | 0644 |
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| evm.h | File | 2.12 KB | 0644 |
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| execmem.h | File | 5.72 KB | 0644 |
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| export-internal.h | File | 2.3 KB | 0644 |
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| export.h | File | 2.67 KB | 0644 |
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| exportfs.h | File | 11.19 KB | 0644 |
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| ext2_fs.h | File | 967 B | 0644 |
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| extable.h | File | 1.28 KB | 0644 |
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| extcon-provider.h | File | 3.83 KB | 0644 |
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| extcon.h | File | 9.99 KB | 0644 |
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| f2fs_fs.h | File | 20.26 KB | 0644 |
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| f75375s.h | File | 541 B | 0644 |
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| falloc.h | File | 1.79 KB | 0644 |
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| fanotify.h | File | 4.99 KB | 0644 |
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| fault-inject-usercopy.h | File | 496 B | 0644 |
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| fault-inject.h | File | 3.07 KB | 0644 |
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| fb.h | File | 30.04 KB | 0644 |
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| fbcon.h | File | 2.09 KB | 0644 |
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| fcdevice.h | File | 774 B | 0644 |
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| fcntl.h | File | 1.66 KB | 0644 |
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| fd.h | File | 490 B | 0644 |
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| fddidevice.h | File | 833 B | 0644 |
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| fdtable.h | File | 3.08 KB | 0644 |
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| fec.h | File | 463 B | 0644 |
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| fiemap.h | File | 831 B | 0644 |
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| file.h | File | 3.66 KB | 0644 |
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| file_ref.h | File | 5.46 KB | 0644 |
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| fileattr.h | File | 1.9 KB | 0644 |
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| filelock.h | File | 13.17 KB | 0644 |
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| filter.h | File | 48.89 KB | 0644 |
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| find.h | File | 20.71 KB | 0644 |
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| fips.h | File | 303 B | 0644 |
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| firewire.h | File | 17.27 KB | 0644 |
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| firmware-map.h | File | 959 B | 0644 |
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| firmware.h | File | 6.3 KB | 0644 |
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| fixp-arith.h | File | 4.21 KB | 0644 |
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| flat.h | File | 2.57 KB | 0644 |
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| flex_proportions.h | File | 1.98 KB | 0644 |
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| folio_queue.h | File | 9.99 KB | 0644 |
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| font.h | File | 1.7 KB | 0644 |
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| fortify-string.h | File | 28.64 KB | 0644 |
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| fprobe.h | File | 3.92 KB | 0644 |
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| fpu.h | File | 246 B | 0644 |
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| freezer.h | File | 2.34 KB | 0644 |
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| fs.h | File | 129.11 KB | 0644 |
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| fs_api.h | File | 22 B | 0644 |
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| fs_context.h | File | 8.36 KB | 0644 |
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| fs_parser.h | File | 5.01 KB | 0644 |
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| fs_pin.h | File | 539 B | 0644 |
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| fs_stack.h | File | 895 B | 0644 |
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| fs_struct.h | File | 1.04 KB | 0644 |
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| fs_types.h | File | 2.02 KB | 0644 |
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| fscache-cache.h | File | 7.09 KB | 0644 |
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| fscache.h | File | 24.09 KB | 0644 |
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| fscrypt.h | File | 34.57 KB | 0644 |
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| fsi-occ.h | File | 715 B | 0644 |
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| fsi-sbefifo.h | File | 629 B | 0644 |
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| fsi.h | File | 2.27 KB | 0644 |
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| fsl-diu-fb.h | File | 3.87 KB | 0644 |
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| fsl_devices.h | File | 4.16 KB | 0644 |
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| fsl_hypervisor.h | File | 2.76 KB | 0644 |
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| fsl_ifc.h | File | 24.48 KB | 0644 |
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| fsldma.h | File | 202 B | 0644 |
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| fsnotify.h | File | 13.17 KB | 0644 |
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| fsnotify_backend.h | File | 31.2 KB | 0644 |
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| fsverity.h | File | 9.29 KB | 0644 |
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| ftrace.h | File | 43.74 KB | 0644 |
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| ftrace_irq.h | File | 884 B | 0644 |
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| ftrace_regs.h | File | 1.31 KB | 0644 |
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| futex.h | File | 2.44 KB | 0644 |
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| fw_table.h | File | 1.75 KB | 0644 |
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| fwnode.h | File | 7.81 KB | 0644 |
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| fwnode_mdio.h | File | 858 B | 0644 |
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| gameport.h | File | 5.24 KB | 0644 |
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| gcd.h | File | 193 B | 0644 |
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| genalloc.h | File | 7.68 KB | 0644 |
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| generic-radix-tree.h | File | 11.43 KB | 0644 |
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| genl_magic_func.h | File | 11.67 KB | 0644 |
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| genl_magic_struct.h | File | 7.58 KB | 0644 |
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| getcpu.h | File | 641 B | 0644 |
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| gfp.h | File | 14.84 KB | 0644 |
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| gfp_api.h | File | 23 B | 0644 |
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| gfp_types.h | File | 16.57 KB | 0644 |
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| glob.h | File | 256 B | 0644 |
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| gnss.h | File | 1.56 KB | 0644 |
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| goldfish.h | File | 878 B | 0644 |
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| gpio-pxa.h | File | 571 B | 0644 |
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| gpio.h | File | 5.01 KB | 0644 |
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| gpio_keys.h | File | 1.81 KB | 0644 |
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| greybus.h | File | 3.57 KB | 0644 |
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| group_cpus.h | File | 310 B | 0644 |
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| hardirq.h | File | 3.25 KB | 0644 |
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| hash.h | File | 2.93 KB | 0644 |
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| hashtable.h | File | 6.67 KB | 0644 |
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| hashtable_api.h | File | 29 B | 0644 |
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| hdlc.h | File | 3.19 KB | 0644 |
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| hdlcdrv.h | File | 6.32 KB | 0644 |
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| hdmi.h | File | 12.84 KB | 0644 |
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| hex.h | File | 884 B | 0644 |
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| hid-debug.h | File | 1.42 KB | 0644 |
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| hid-over-i2c.h | File | 3.53 KB | 0644 |
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| hid-over-spi.h | File | 4.91 KB | 0644 |
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| hid-roccat.h | File | 490 B | 0644 |
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| hid-sensor-hub.h | File | 8.97 KB | 0644 |
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| hid-sensor-ids.h | File | 7.85 KB | 0644 |
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| hid.h | File | 39.52 KB | 0644 |
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| hid_bpf.h | File | 8.19 KB | 0644 |
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| hidden.h | File | 966 B | 0644 |
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| hiddev.h | File | 1.42 KB | 0644 |
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| hidraw.h | File | 1.13 KB | 0644 |
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| highmem-internal.h | File | 6.62 KB | 0644 |
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| highmem.h | File | 18.61 KB | 0644 |
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| highuid.h | File | 3.12 KB | 0644 |
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| hil.h | File | 18.42 KB | 0644 |
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| hil_mlc.h | File | 5.13 KB | 0644 |
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| hippidevice.h | File | 1.08 KB | 0644 |
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| hisi_acc_qm.h | File | 14.13 KB | 0644 |
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| hmm.h | File | 3.93 KB | 0644 |
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| host1x.h | File | 13.67 KB | 0644 |
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| host1x_context_bus.h | File | 337 B | 0644 |
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| hp_sdc.h | File | 14.01 KB | 0644 |
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| hpet.h | File | 2.55 KB | 0644 |
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| hrtimer.h | File | 11.36 KB | 0644 |
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| hrtimer_api.h | File | 27 B | 0644 |
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| hrtimer_defs.h | File | 4.22 KB | 0644 |
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| hrtimer_types.h | File | 1.53 KB | 0644 |
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| hte.h | File | 7.37 KB | 0644 |
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| huge_mm.h | File | 18.87 KB | 0644 |
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| hugetlb.h | File | 36.03 KB | 0644 |
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| hugetlb_cgroup.h | File | 6.78 KB | 0644 |
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| hugetlb_inline.h | File | 374 B | 0644 |
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| hw_breakpoint.h | File | 4.19 KB | 0644 |
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| hw_random.h | File | 2.23 KB | 0644 |
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| hwmon-sysfs.h | File | 2.8 KB | 0644 |
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| hwmon-vid.h | File | 862 B | 0644 |
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| hwmon.h | File | 15.94 KB | 0644 |
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| hwspinlock.h | File | 15.79 KB | 0644 |
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| hyperv.h | File | 49.31 KB | 0644 |
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| hypervisor.h | File | 748 B | 0644 |
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| i2c-algo-bit.h | File | 1.4 KB | 0644 |
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| i2c-algo-pca.h | File | 2.89 KB | 0644 |
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| i2c-algo-pcf.h | File | 1.21 KB | 0644 |
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| i2c-atr.h | File | 3.95 KB | 0644 |
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| i2c-dev.h | File | 371 B | 0644 |
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| i2c-mux.h | File | 1.61 KB | 0644 |
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| i2c-of-prober.h | File | 4.94 KB | 0644 |
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| i2c-smbus.h | File | 1.69 KB | 0644 |
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| i2c.h | File | 39.67 KB | 0644 |
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| i8042.h | File | 2.45 KB | 0644 |
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| i8253.h | File | 808 B | 0644 |
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| i8254.h | File | 489 B | 0644 |
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| icmp.h | File | 1 KB | 0644 |
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| icmpv6.h | File | 2.87 KB | 0644 |
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| idle_inject.h | File | 1.02 KB | 0644 |
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| idr.h | File | 9.72 KB | 0644 |
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| ieee80211.h | File | 180.45 KB | 0644 |
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| ieee802154.h | File | 14.46 KB | 0644 |
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| if_arp.h | File | 1.81 KB | 0644 |
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| if_bridge.h | File | 5.42 KB | 0644 |
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| if_eql.h | File | 1.13 KB | 0644 |
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| if_ether.h | File | 1.26 KB | 0644 |
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| if_fddi.h | File | 3.24 KB | 0644 |
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| if_hsr.h | File | 1.5 KB | 0644 |
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| if_link.h | File | 592 B | 0644 |
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| if_macvlan.h | File | 2.76 KB | 0644 |
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| if_phonet.h | File | 319 B | 0644 |
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| if_pppol2tp.h | File | 501 B | 0644 |
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| if_pppox.h | File | 2.83 KB | 0644 |
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| if_rmnet.h | File | 2.06 KB | 0644 |
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| if_tap.h | File | 2.21 KB | 0644 |
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| if_team.h | File | 7.94 KB | 0644 |
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| if_tun.h | File | 1.54 KB | 0644 |
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| if_tunnel.h | File | 409 B | 0644 |
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| if_vlan.h | File | 22.16 KB | 0644 |
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| igmp.h | File | 4.42 KB | 0644 |
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| ihex.h | File | 2.15 KB | 0644 |
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| ima.h | File | 2.71 KB | 0644 |
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| imx-media.h | File | 605 B | 0644 |
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| in.h | File | 2.29 KB | 0644 |
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| in6.h | File | 1.63 KB | 0644 |
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| indirect_call_wrapper.h | File | 2.24 KB | 0644 |
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| inet.h | File | 2.64 KB | 0644 |
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| inet_diag.h | File | 2.76 KB | 0644 |
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| inetdevice.h | File | 9.53 KB | 0644 |
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| init.h | File | 12 KB | 0644 |
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| init_ohci1394_dma.h | File | 196 B | 0644 |
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| init_syscalls.h | File | 1.01 KB | 0644 |
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| init_task.h | File | 1.1 KB | 0644 |
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| initrd.h | File | 1008 B | 0644 |
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| inotify.h | File | 628 B | 0644 |
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| input.h | File | 20.81 KB | 0644 |
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| instruction_pointer.h | File | 346 B | 0644 |
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| instrumentation.h | File | 1.85 KB | 0644 |
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| instrumented.h | File | 6.21 KB | 0644 |
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| int_log.h | File | 1.26 KB | 0644 |
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| integrity.h | File | 1.46 KB | 0644 |
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| intel-ish-client-if.h | File | 4.13 KB | 0644 |
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| intel_rapl.h | File | 6 KB | 0644 |
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| intel_tcc.h | File | 466 B | 0644 |
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| intel_th.h | File | 2.44 KB | 0644 |
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| intel_tpmi.h | File | 1.99 KB | 0644 |
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| intel_vsec.h | File | 4.24 KB | 0644 |
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| interconnect-clk.h | File | 648 B | 0644 |
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| interconnect-provider.h | File | 5.53 KB | 0644 |
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| interconnect.h | File | 3.36 KB | 0644 |
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| interrupt.h | File | 27.29 KB | 0644 |
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| interval_tree.h | File | 2.88 KB | 0644 |
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| interval_tree_generic.h | File | 6.7 KB | 0644 |
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| io-64-nonatomic-hi-lo.h | File | 2.41 KB | 0644 |
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| io-64-nonatomic-lo-hi.h | File | 2.41 KB | 0644 |
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| io-mapping.h | File | 4.69 KB | 0644 |
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| io-pgtable.h | File | 10.18 KB | 0644 |
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| io.h | File | 5.51 KB | 0644 |
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| io_uring.h | File | 1.04 KB | 0644 |
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| ipmi.h | File | 11.09 KB | 0644 |
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| ipmi_smi.h | File | 9.83 KB | 0644 |
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| iscsi_boot_sysfs.h | File | 3.71 KB | 0644 |
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| jhash.h | File | 4.56 KB | 0644 |
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| jiffies.h | File | 20.07 KB | 0644 |
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| journal-head.h | File | 2.91 KB | 0644 |
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| joystick.h | File | 437 B | 0644 |
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| jump_label.h | File | 16.45 KB | 0644 |
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| jump_label_ratelimit.h | File | 2.77 KB | 0644 |
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| jz4740-adc.h | File | 1023 B | 0644 |
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| jz4780-nemc.h | File | 976 B | 0644 |
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| kdb.h | File | 7.36 KB | 0644 |
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| kern_levels.h | File | 1.57 KB | 0644 |
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| kernel-page-flags.h | File | 522 B | 0644 |
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| kernel.h | File | 12.88 KB | 0644 |
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| kernel_read_file.h | File | 1.62 KB | 0644 |
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| kernel_stat.h | File | 3.63 KB | 0644 |
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| kernfs.h | File | 19.49 KB | 0644 |
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| key-type.h | File | 6.63 KB | 0644 |
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| keyboard.h | File | 665 B | 0644 |
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| keyctl.h | File | 1.25 KB | 0644 |
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| kfence.h | File | 8.7 KB | 0644 |
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| kgdb.h | File | 12.02 KB | 0644 |
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| khugepaged.h | File | 1.78 KB | 0644 |
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| klist.h | File | 1.88 KB | 0644 |
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| kmemleak.h | File | 3.24 KB | 0644 |
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| kmod.h | File | 1.02 KB | 0644 |
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| kmsan-checks.h | File | 2.86 KB | 0644 |
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| kmsan.h | File | 11.52 KB | 0644 |
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| kmsan_types.h | File | 906 B | 0644 |
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| kmsg_dump.h | File | 3.12 KB | 0644 |
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| kobject.h | File | 6.96 KB | 0644 |
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| kobject_api.h | File | 27 B | 0644 |
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| ks8851_mll.h | File | 472 B | 0644 |
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| ksm.h | File | 4.08 KB | 0644 |
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| kstrtox.h | File | 6.51 KB | 0644 |
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| kthread.h | File | 8.48 KB | 0644 |
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| ktime.h | File | 5.4 KB | 0644 |
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| ktime_api.h | File | 25 B | 0644 |
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| kvm_dirty_ring.h | File | 2.68 KB | 0644 |
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| kvm_host.h | File | 77.92 KB | 0644 |
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| kvm_irqfd.h | File | 1.99 KB | 0644 |
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| kvm_para.h | File | 402 B | 0644 |
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| kvm_types.h | File | 2.6 KB | 0644 |
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| l2tp.h | File | 261 B | 0644 |
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| lantiq.h | File | 365 B | 0644 |
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| lapb.h | File | 1.78 KB | 0644 |
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| latencytop.h | File | 1.06 KB | 0644 |
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| lcd.h | File | 4.18 KB | 0644 |
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| lcm.h | File | 275 B | 0644 |
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| led-class-flash.h | File | 6.08 KB | 0644 |
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| led-class-multicolor.h | File | 2.44 KB | 0644 |
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| led-lm3530.h | File | 3.7 KB | 0644 |
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| leds-bd2802.h | File | 476 B | 0644 |
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| leds-expresswire.h | File | 1.13 KB | 0644 |
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| leds-lp3952.h | File | 2.35 KB | 0644 |
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| leds-pca9532.h | File | 866 B | 0644 |
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| leds-regulator.h | File | 1.14 KB | 0644 |
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| leds-ti-lmu-common.h | File | 1.12 KB | 0644 |
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| leds.h | File | 23.34 KB | 0644 |
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| libata.h | File | 69.91 KB | 0644 |
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| libfdt.h | File | 202 B | 0644 |
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| libfdt_env.h | File | 491 B | 0644 |
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| libgcc.h | File | 875 B | 0644 |
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| libnvdimm.h | File | 9.93 KB | 0644 |
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| libps2.h | File | 2.47 KB | 0644 |
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| license.h | File | 418 B | 0644 |
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| limits.h | File | 809 B | 0644 |
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| linear_range.h | File | 2.01 KB | 0644 |
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| linkage.h | File | 9.56 KB | 0644 |
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| linkmode.h | File | 2.17 KB | 0644 |
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| linux_logo.h | File | 1.81 KB | 0644 |
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| lis3lv02d.h | File | 5 KB | 0644 |
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| list.h | File | 35.12 KB | 0644 |
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| list_bl.h | File | 4.79 KB | 0644 |
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| list_lru.h | File | 9.8 KB | 0644 |
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| list_nulls.h | File | 4.22 KB | 0644 |
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| list_sort.h | File | 374 B | 0644 |
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| litex.h | File | 2.06 KB | 0644 |
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| livepatch.h | File | 8.26 KB | 0644 |
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| livepatch_sched.h | File | 802 B | 0644 |
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| llc.h | File | 749 B | 0644 |
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| llist.h | File | 10.43 KB | 0644 |
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| llist_api.h | File | 25 B | 0644 |
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| local_lock.h | File | 1.98 KB | 0644 |
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| local_lock_internal.h | File | 4.24 KB | 0644 |
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| lockdep.h | File | 20.9 KB | 0644 |
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| lockdep_api.h | File | 27 B | 0644 |
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| lockdep_types.h | File | 7.61 KB | 0644 |
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| lockref.h | File | 1.65 KB | 0644 |
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| log2.h | File | 6.24 KB | 0644 |
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| logic_iomem.h | File | 2.07 KB | 0644 |
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| logic_pio.h | File | 3.11 KB | 0644 |
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| lp.h | File | 2.76 KB | 0644 |
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| lru_cache.h | File | 11.67 KB | 0644 |
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| lsm_audit.h | File | 3.22 KB | 0644 |
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| lsm_count.h | File | 2.36 KB | 0644 |
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| lsm_hook_defs.h | File | 24.09 KB | 0644 |
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| lsm_hooks.h | File | 4.81 KB | 0644 |
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| lwq.h | File | 3.69 KB | 0644 |
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| lz4.h | File | 26.69 KB | 0644 |
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| lzo.h | File | 1.93 KB | 0644 |
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| mISDNdsp.h | File | 1.19 KB | 0644 |
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| mISDNhw.h | File | 5.39 KB | 0644 |
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| mISDNif.h | File | 14.9 KB | 0644 |
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| mailbox_client.h | File | 1.78 KB | 0644 |
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| mailbox_controller.h | File | 5.7 KB | 0644 |
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| map_benchmark.h | File | 1.07 KB | 0644 |
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| maple.h | File | 2.68 KB | 0644 |
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| maple_tree.h | File | 28.94 KB | 0644 |
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| marvell_phy.h | File | 1.94 KB | 0644 |
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| math.h | File | 6.31 KB | 0644 |
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| math64.h | File | 9 KB | 0644 |
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| mbcache.h | File | 2.09 KB | 0644 |
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| mbus.h | File | 3.09 KB | 0644 |
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| mc146818rtc.h | File | 4.72 KB | 0644 |
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| mc6821.h | File | 1.18 KB | 0644 |
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| mcb.h | File | 3.62 KB | 0644 |
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| mdev.h | File | 2.36 KB | 0644 |
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| mdio-bitbang.h | File | 1.46 KB | 0644 |
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| mdio-gpio.h | File | 177 B | 0644 |
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| mdio-mux.h | File | 1021 B | 0644 |
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| mdio.h | File | 22.72 KB | 0644 |
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| mei_aux.h | File | 929 B | 0644 |
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| mei_cl_bus.h | File | 4.6 KB | 0644 |
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| mem_encrypt.h | File | 1.31 KB | 0644 |
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| memblock.h | File | 20.4 KB | 0644 |
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| memcontrol.h | File | 45.83 KB | 0644 |
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| memfd.h | File | 950 B | 0644 |
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| memory-tiers.h | File | 3.94 KB | 0644 |
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| memory.h | File | 6.42 KB | 0644 |
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| memory_hotplug.h | File | 10.77 KB | 0644 |
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| mempolicy.h | File | 7.25 KB | 0644 |
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| mempool.h | File | 4.28 KB | 0644 |
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| memregion.h | File | 1.8 KB | 0644 |
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| memremap.h | File | 7.67 KB | 0644 |
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| memstick.h | File | 9.61 KB | 0644 |
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| mhi.h | File | 27.42 KB | 0644 |
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| mhi_ep.h | File | 10.63 KB | 0644 |
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| micrel_phy.h | File | 2.1 KB | 0644 |
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| microchipphy.h | File | 2.65 KB | 0644 |
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| migrate.h | File | 7.72 KB | 0644 |
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| migrate_mode.h | File | 713 B | 0644 |
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| mii.h | File | 15.51 KB | 0644 |
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| mii_timestamper.h | File | 3.66 KB | 0644 |
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| min_heap.h | File | 15.78 KB | 0644 |
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| minmax.h | File | 10 KB | 0644 |
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| misc_cgroup.h | File | 3.23 KB | 0644 |
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| miscdevice.h | File | 3.21 KB | 0644 |
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| mm.h | File | 126.61 KB | 0644 |
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| mm_api.h | File | 22 B | 0644 |
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| mm_inline.h | File | 17.38 KB | 0644 |
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| mm_types.h | File | 51.72 KB | 0644 |
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| mm_types_task.h | File | 2.32 KB | 0644 |
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| mman.h | File | 5.48 KB | 0644 |
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| mmap_lock.h | File | 6.03 KB | 0644 |
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| mmdebug.h | File | 4.28 KB | 0644 |
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| mmiotrace.h | File | 3.05 KB | 0644 |
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| mmu_context.h | File | 1.13 KB | 0644 |
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| mmu_notifier.h | File | 21.93 KB | 0644 |
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| mmzone.h | File | 66.74 KB | 0644 |
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| mnt_idmapping.h | File | 6.88 KB | 0644 |
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| mnt_namespace.h | File | 767 B | 0644 |
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| mod_devicetable.h | File | 25.41 KB | 0644 |
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| module.h | File | 27.85 KB | 0644 |
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| module_signature.h | File | 1.22 KB | 0644 |
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| module_symbol.h | File | 409 B | 0644 |
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| moduleloader.h | File | 3.84 KB | 0644 |
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| moduleparam.h | File | 22.51 KB | 0644 |
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| most.h | File | 12.2 KB | 0644 |
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| mount.h | File | 4.21 KB | 0644 |
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| moxtet.h | File | 2.27 KB | 0644 |
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| mpage.h | File | 644 B | 0644 |
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| mpi.h | File | 3.17 KB | 0644 |
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| mpls.h | File | 394 B | 0644 |
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| mpls_iptunnel.h | File | 178 B | 0644 |
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| mroute.h | File | 2.12 KB | 0644 |
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| mroute6.h | File | 2.93 KB | 0644 |
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| mroute_base.h | File | 12.45 KB | 0644 |
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| msdos_fs.h | File | 273 B | 0644 |
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| msdos_partition.h | File | 1.62 KB | 0644 |
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| msg.h | File | 395 B | 0644 |
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| msi.h | File | 22.01 KB | 0644 |
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| msi_api.h | File | 1.93 KB | 0644 |
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| mtio.h | File | 1.29 KB | 0644 |
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| mutex.h | File | 5.82 KB | 0644 |
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| mutex_api.h | File | 25 B | 0644 |
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| mutex_types.h | File | 2.09 KB | 0644 |
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| mv643xx_eth.h | File | 2 KB | 0644 |
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| mv643xx_i2c.h | File | 335 B | 0644 |
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| mvebu-pmsu.h | File | 520 B | 0644 |
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| mxm-wmi.h | File | 399 B | 0644 |
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| namei.h | File | 5.46 KB | 0644 |
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| nd.h | File | 6.19 KB | 0644 |
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| ndctl.h | File | 674 B | 0644 |
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| net.h | File | 11.86 KB | 0644 |
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| net_tstamp.h | File | 2.97 KB | 0644 |
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| netdev_features.h | File | 10.5 KB | 0644 |
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| netdevice.h | File | 170.32 KB | 0644 |
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| netdevice_xmit.h | File | 223 B | 0644 |
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| netfilter.h | File | 14.03 KB | 0644 |
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| netfilter_bridge.h | File | 2.08 KB | 0644 |
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| netfilter_defs.h | File | 242 B | 0644 |
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| netfilter_ipv4.h | File | 1.05 KB | 0644 |
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| netfilter_ipv6.h | File | 5.86 KB | 0644 |
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| netfilter_netdev.h | File | 3.97 KB | 0644 |
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| netfs.h | File | 21.8 KB | 0644 |
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| netlink.h | File | 10.69 KB | 0644 |
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| netpoll.h | File | 2.52 KB | 0644 |
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| nfs.h | File | 1.71 KB | 0644 |
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| nfs3.h | File | 260 B | 0644 |
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| nfs4.h | File | 24.25 KB | 0644 |
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| nfs_common.h | File | 458 B | 0644 |
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| nfs_fs.h | File | 20.45 KB | 0644 |
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| nfs_fs_i.h | File | 308 B | 0644 |
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| nfs_fs_sb.h | File | 11.34 KB | 0644 |
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| nfs_iostat.h | File | 3.92 KB | 0644 |
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| nfs_page.h | File | 8.48 KB | 0644 |
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| nfs_ssc.h | File | 2.01 KB | 0644 |
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| nfs_xdr.h | File | 43.3 KB | 0644 |
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| nfsacl.h | File | 1.4 KB | 0644 |
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| nfslocalio.h | File | 3.47 KB | 0644 |
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| nitro_enclaves.h | File | 267 B | 0644 |
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| nl802154.h | File | 3.87 KB | 0644 |
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| nls.h | File | 3.09 KB | 0644 |
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| nmi.h | File | 7.21 KB | 0644 |
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| node.h | File | 4.67 KB | 0644 |
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| nodemask.h | File | 17.89 KB | 0644 |
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| nodemask_types.h | File | 263 B | 0644 |
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| nospec.h | File | 2.24 KB | 0644 |
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| notifier.h | File | 8.18 KB | 0644 |
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| ns_common.h | File | 284 B | 0644 |
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| nsc_gpio.h | File | 1.42 KB | 0644 |
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| nsproxy.h | File | 3.67 KB | 0644 |
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| ntb.h | File | 52.43 KB | 0644 |
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| ntb_transport.h | File | 3.8 KB | 0644 |
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| nubus.h | File | 5.54 KB | 0644 |
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| numa.h | File | 1.6 KB | 0644 |
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| numa_memblks.h | File | 1.57 KB | 0644 |
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| nvme-auth.h | File | 1.44 KB | 0644 |
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| nvme-fc-driver.h | File | 46.78 KB | 0644 |
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| nvme-fc.h | File | 9.72 KB | 0644 |
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| nvme-keyring.h | File | 732 B | 0644 |
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| nvme-rdma.h | File | 2.31 KB | 0644 |
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| nvme-tcp.h | File | 4.67 KB | 0644 |
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| nvme.h | File | 50.91 KB | 0644 |
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| nvmem-consumer.h | File | 6.87 KB | 0644 |
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| nvmem-provider.h | File | 8.03 KB | 0644 |
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| nvram.h | File | 3.47 KB | 0644 |
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| oa_tc6.h | File | 947 B | 0644 |
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| objagg.h | File | 1.94 KB | 0644 |
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| objpool.h | File | 9.58 KB | 0644 |
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| objtool.h | File | 6.62 KB | 0644 |
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| objtool_types.h | File | 2.08 KB | 0644 |
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| of.h | File | 51.38 KB | 0644 |
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| of_address.h | File | 5.5 KB | 0644 |
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| of_clk.h | File | 819 B | 0644 |
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| of_device.h | File | 2.23 KB | 0644 |
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| of_dma.h | File | 2.3 KB | 0644 |
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| of_fdt.h | File | 3.48 KB | 0644 |
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| of_gpio.h | File | 878 B | 0644 |
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| of_graph.h | File | 5.4 KB | 0644 |
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| of_iommu.h | File | 671 B | 0644 |
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| of_irq.h | File | 3.83 KB | 0644 |
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| of_mdio.h | File | 3.91 KB | 0644 |
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| of_net.h | File | 1.15 KB | 0644 |
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| of_pci.h | File | 915 B | 0644 |
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| of_pdt.h | File | 1.14 KB | 0644 |
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| of_platform.h | File | 4.07 KB | 0644 |
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| of_reserved_mem.h | File | 2.22 KB | 0644 |
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| oid_registry.h | File | 6.02 KB | 0644 |
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| olpc-ec.h | File | 2 KB | 0644 |
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| omap-dma.h | File | 9.54 KB | 0644 |
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| omap-gpmc.h | File | 2.29 KB | 0644 |
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| omap-iommu.h | File | 880 B | 0644 |
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| omap-mailbox.h | File | 272 B | 0644 |
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| omapfb.h | File | 576 B | 0644 |
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| once.h | File | 2.66 KB | 0644 |
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| once_lite.h | File | 926 B | 0644 |
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| oom.h | File | 2.81 KB | 0644 |
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| openvswitch.h | File | 403 B | 0644 |
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| osq_lock.h | File | 912 B | 0644 |
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| overflow.h | File | 14.82 KB | 0644 |
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| packing.h | File | 16 KB | 0644 |
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| padata.h | File | 6.21 KB | 0644 |
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| page-flags-layout.h | File | 3.73 KB | 0644 |
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| page-flags.h | File | 39.15 KB | 0644 |
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| page-isolation.h | File | 1.04 KB | 0644 |
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| page_counter.h | File | 3.21 KB | 0644 |
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| page_ext.h | File | 2.9 KB | 0644 |
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| page_frag_cache.h | File | 1.71 KB | 0644 |
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| page_idle.h | File | 1.95 KB | 0644 |
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| page_owner.h | File | 2.38 KB | 0644 |
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| page_ref.h | File | 7.6 KB | 0644 |
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| page_reporting.h | File | 895 B | 0644 |
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| page_table_check.h | File | 3.74 KB | 0644 |
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| pageblock-flags.h | File | 2.8 KB | 0644 |
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| pagemap.h | File | 51.01 KB | 0644 |
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| prime_numbers.h | File | 1.35 KB | 0644 |
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| pstore.h | File | 7.77 KB | 0644 |
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| pstore_blk.h | File | 1.53 KB | 0644 |
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| ptp_classify.h | File | 6.89 KB | 0644 |
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| ptr_ring.h | File | 16.54 KB | 0644 |
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| ptrace.h | File | 16.79 KB | 0644 |
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| qnx6_fs.h | File | 3.27 KB | 0644 |
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| quota.h | File | 18.76 KB | 0644 |
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| quotaops.h | File | 10.27 KB | 0644 |
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| radix-tree.h | File | 15.95 KB | 0644 |
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| raid_class.h | File | 2.01 KB | 0644 |
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| ramfs.h | File | 746 B | 0644 |
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| random.h | File | 4.97 KB | 0644 |
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| randomize_kstack.h | File | 3.96 KB | 0644 |
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| ratelimit.h | File | 1.72 KB | 0644 |
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| ratelimit_types.h | File | 1.33 KB | 0644 |
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| rcu_segcblist.h | File | 10.77 KB | 0644 |
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| rculist_bl.h | File | 3.29 KB | 0644 |
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| rculist_nulls.h | File | 6.6 KB | 0644 |
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| rcupdate_wait.h | File | 2.55 KB | 0644 |
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| rcutree.h | File | 4.34 KB | 0644 |
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| rcuwait.h | File | 2.32 KB | 0644 |
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| rcuwait_api.h | File | 27 B | 0644 |
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| reciprocal_div.h | File | 3.28 KB | 0644 |
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| ref_tracker.h | File | 2.35 KB | 0644 |
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| refcount.h | File | 11.83 KB | 0644 |
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| refcount_api.h | File | 28 B | 0644 |
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| refcount_types.h | File | 512 B | 0644 |
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| regmap.h | File | 72.65 KB | 0644 |
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| regset.h | File | 11.35 KB | 0644 |
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| relay.h | File | 8.47 KB | 0644 |
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| remoteproc.h | File | 25.08 KB | 0644 |
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| resctrl.h | File | 11.58 KB | 0644 |
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| reset.h | File | 37.86 KB | 0644 |
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| resource_ext.h | File | 2.08 KB | 0644 |
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| restart_block.h | File | 1.11 KB | 0644 |
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| resume_user_mode.h | File | 1.88 KB | 0644 |
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| rethook.h | File | 3.15 KB | 0644 |
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| ring_buffer.h | File | 8.82 KB | 0644 |
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| rio.h | File | 19.02 KB | 0644 |
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| rio_drv.h | File | 14.32 KB | 0644 |
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| rio_ids.h | File | 723 B | 0644 |
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| rio_regs.h | File | 19.07 KB | 0644 |
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| rmap.h | File | 25.2 KB | 0644 |
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| rmi.h | File | 12.04 KB | 0644 |
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| rndis.h | File | 16.86 KB | 0644 |
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| rodata_test.h | File | 394 B | 0644 |
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| rolling_buffer.h | File | 2.16 KB | 0644 |
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| root_dev.h | File | 361 B | 0644 |
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| rpmb.h | File | 3.16 KB | 0644 |
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| rpmsg.h | File | 9.46 KB | 0644 |
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| rseq.h | File | 2.99 KB | 0644 |
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| rslib.h | File | 3.64 KB | 0644 |
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| rtc.h | File | 9.32 KB | 0644 |
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| rtmutex.h | File | 3.38 KB | 0644 |
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| rtnetlink.h | File | 7.36 KB | 0644 |
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| rtsx_common.h | File | 846 B | 0644 |
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| rtsx_pci.h | File | 40.09 KB | 0644 |
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| rtsx_usb.h | File | 15.51 KB | 0644 |
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| rv.h | File | 1.56 KB | 0644 |
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| rw_hint.h | File | 702 B | 0644 |
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| rwbase_rt.h | File | 1 KB | 0644 |
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| rwlock.h | File | 4.15 KB | 0644 |
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| rwlock_api_smp.h | File | 7.85 KB | 0644 |
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| rwlock_rt.h | File | 3.38 KB | 0644 |
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| rwlock_types.h | File | 1.77 KB | 0644 |
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| rwsem.h | File | 8.6 KB | 0644 |
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| sbitmap.h | File | 17.82 KB | 0644 |
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| scatterlist.h | File | 21.17 KB | 0644 |
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| scc.h | File | 2.84 KB | 0644 |
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| sched.h | File | 64.53 KB | 0644 |
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| sched_clock.h | File | 1.46 KB | 0644 |
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| scmi_imx_protocol.h | File | 1.54 KB | 0644 |
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| scmi_protocol.h | File | 38.75 KB | 0644 |
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| scpi_protocol.h | File | 2.67 KB | 0644 |
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| screen_info.h | File | 3.35 KB | 0644 |
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| sctp.h | File | 23.09 KB | 0644 |
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| scx200.h | File | 1.82 KB | 0644 |
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| scx200_gpio.h | File | 2.38 KB | 0644 |
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| seccomp.h | File | 2.99 KB | 0644 |
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| seccomp_types.h | File | 834 B | 0644 |
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| secretmem.h | File | 706 B | 0644 |
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| securebits.h | File | 239 B | 0644 |
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| security.h | File | 64.62 KB | 0644 |
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| sed-opal-key.h | File | 614 B | 0644 |
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| sed-opal.h | File | 1.95 KB | 0644 |
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| seg6_genl.h | File | 136 B | 0644 |
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| seg6_hmac.h | File | 136 B | 0644 |
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| seg6_local.h | File | 100 B | 0644 |
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| selection.h | File | 1.67 KB | 0644 |
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| sem.h | File | 515 B | 0644 |
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| sem_types.h | File | 234 B | 0644 |
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| semaphore.h | File | 1.58 KB | 0644 |
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| seq_buf.h | File | 4.24 KB | 0644 |
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| seq_file.h | File | 10.18 KB | 0644 |
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| seq_file_net.h | File | 787 B | 0644 |
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| seqlock.h | File | 37.14 KB | 0644 |
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| seqlock_api.h | File | 27 B | 0644 |
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| seqlock_types.h | File | 3.11 KB | 0644 |
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| serdev.h | File | 10.12 KB | 0644 |
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| serial.h | File | 1.03 KB | 0644 |
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| serial_8250.h | File | 7.38 KB | 0644 |
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| serial_bcm63xx.h | File | 4.73 KB | 0644 |
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| serial_core.h | File | 39.9 KB | 0644 |
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| serial_s3c.h | File | 9.54 KB | 0644 |
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| serial_sci.h | File | 1.62 KB | 0644 |
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| serio.h | File | 4.41 KB | 0644 |
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| set_memory.h | File | 2.06 KB | 0644 |
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| sfp.h | File | 16.54 KB | 0644 |
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| sh_clk.h | File | 5.96 KB | 0644 |
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| sh_dma.h | File | 3.47 KB | 0644 |
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| sh_eth.h | File | 369 B | 0644 |
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| sh_intc.h | File | 3.63 KB | 0644 |
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| sh_timer.h | File | 172 B | 0644 |
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| shdma-base.h | File | 4.27 KB | 0644 |
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| shm.h | File | 835 B | 0644 |
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| shmem_fs.h | File | 7.74 KB | 0644 |
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| shrinker.h | File | 4.87 KB | 0644 |
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| signal.h | File | 13.79 KB | 0644 |
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| signal_types.h | File | 1.69 KB | 0644 |
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| signalfd.h | File | 817 B | 0644 |
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| siox.h | File | 2.26 KB | 0644 |
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| siphash.h | File | 5.66 KB | 0644 |
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| sizes.h | File | 1.68 KB | 0644 |
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| skb_array.h | File | 5.43 KB | 0644 |
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| skbuff.h | File | 148.33 KB | 0644 |
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| skbuff_ref.h | File | 1.74 KB | 0644 |
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| skmsg.h | File | 13.94 KB | 0644 |
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| slab.h | File | 37.02 KB | 0644 |
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| slimbus.h | File | 6.94 KB | 0644 |
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| sm501-regs.h | File | 11.62 KB | 0644 |
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| smc91x.h | File | 1.57 KB | 0644 |
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| smp.h | File | 8.03 KB | 0644 |
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| smp_types.h | File | 1.35 KB | 0644 |
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| smpboot.h | File | 1.68 KB | 0644 |
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| smsc911x.h | File | 1.63 KB | 0644 |
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| smscphy.h | File | 3.1 KB | 0644 |
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| sock_diag.h | File | 2.42 KB | 0644 |
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| socket.h | File | 15.52 KB | 0644 |
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| sockptr.h | File | 4.05 KB | 0644 |
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| softirq.h | File | 29 B | 0644 |
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| sonet.h | File | 469 B | 0644 |
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| sony-laptop.h | File | 1.41 KB | 0644 |
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| sonypi.h | File | 1.71 KB | 0644 |
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| sort.h | File | 348 B | 0644 |
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| sound.h | File | 685 B | 0644 |
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| soundcard.h | File | 1.59 KB | 0644 |
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| spinlock.h | File | 17.55 KB | 0644 |
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| spinlock_api.h | File | 28 B | 0644 |
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| spinlock_api_smp.h | File | 5.23 KB | 0644 |
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| spinlock_api_up.h | File | 3.38 KB | 0644 |
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| spinlock_rt.h | File | 4.12 KB | 0644 |
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| spinlock_types.h | File | 1.78 KB | 0644 |
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| spinlock_types_raw.h | File | 1.69 KB | 0644 |
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| spinlock_types_up.h | File | 732 B | 0644 |
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| spinlock_up.h | File | 2.08 KB | 0644 |
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| splice.h | File | 3.72 KB | 0644 |
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| spmi.h | File | 5.85 KB | 0644 |
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| sprintf.h | File | 1.24 KB | 0644 |
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| sram.h | File | 437 B | 0644 |
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| srcu.h | File | 15.35 KB | 0644 |
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| srcutiny.h | File | 3.15 KB | 0644 |
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| srcutree.h | File | 10.6 KB | 0644 |
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| ssbi.h | File | 726 B | 0644 |
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| stackdepot.h | File | 8.95 KB | 0644 |
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| stackleak.h | File | 2.36 KB | 0644 |
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| stackprotector.h | File | 859 B | 0644 |
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| stacktrace.h | File | 4 KB | 0644 |
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| start_kernel.h | File | 345 B | 0644 |
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| stat.h | File | 1.82 KB | 0644 |
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| statfs.h | File | 1.78 KB | 0644 |
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| static_call.h | File | 10.66 KB | 0644 |
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| static_call_types.h | File | 2.74 KB | 0644 |
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| static_key.h | File | 30 B | 0644 |
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| stdarg.h | File | 313 B | 0644 |
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| stddef.h | File | 3.17 KB | 0644 |
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| stm.h | File | 4.6 KB | 0644 |
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| stmmac.h | File | 7.79 KB | 0644 |
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| stmp3xxx_rtc_wdt.h | File | 331 B | 0644 |
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| stmp_device.h | File | 412 B | 0644 |
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| stop_machine.h | File | 4.94 KB | 0644 |
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| string.h | File | 17.88 KB | 0644 |
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| string_choices.h | File | 2.22 KB | 0644 |
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| string_helpers.h | File | 3.29 KB | 0644 |
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| stringhash.h | File | 2.65 KB | 0644 |
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| stringify.h | File | 395 B | 0644 |
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| sungem_phy.h | File | 3.97 KB | 0644 |
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| sunserialcore.h | File | 1.08 KB | 0644 |
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| sunxi-rsb.h | File | 2.89 KB | 0644 |
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| surface_acpi_notify.h | File | 1.07 KB | 0644 |
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| suspend.h | File | 20.63 KB | 0644 |
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| svga.h | File | 3.75 KB | 0644 |
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| sw842.h | File | 328 B | 0644 |
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| swab.h | File | 912 B | 0644 |
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| swait.h | File | 9.47 KB | 0644 |
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| swait_api.h | File | 25 B | 0644 |
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| swap.h | File | 21.47 KB | 0644 |
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| swap_cgroup.h | File | 1004 B | 0644 |
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| swap_slots.h | File | 721 B | 0644 |
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| swapfile.h | File | 450 B | 0644 |
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| swapops.h | File | 16.33 KB | 0644 |
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| swiotlb.h | File | 9.09 KB | 0644 |
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| switchtec.h | File | 10.92 KB | 0644 |
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| sxgbe_platform.h | File | 1.23 KB | 0644 |
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| sync_core.h | File | 1.03 KB | 0644 |
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| sync_file.h | File | 1.57 KB | 0644 |
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| synclink.h | File | 989 B | 0644 |
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| sys.h | File | 960 B | 0644 |
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| sys_soc.h | File | 1.26 KB | 0644 |
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| syscall_user_dispatch.h | File | 1.31 KB | 0644 |
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| syscall_user_dispatch_types.h | File | 388 B | 0644 |
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| syscalls.h | File | 56.4 KB | 0644 |
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| syscalls_api.h | File | 28 B | 0644 |
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| syscore_ops.h | File | 633 B | 0644 |
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| sysctl.h | File | 9.6 KB | 0644 |
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| topology.h | File | 7.33 KB | 0644 |
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| torture.h | File | 4.91 KB | 0644 |
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| tpm.h | File | 14.74 KB | 0644 |
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| tpm_command.h | File | 847 B | 0644 |
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| tpm_eventlog.h | File | 6.53 KB | 0644 |
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| trace.h | File | 2.77 KB | 0644 |
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| trace_clock.h | File | 667 B | 0644 |
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| trace_events.h | File | 30.39 KB | 0644 |
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| tracefs.h | File | 3.79 KB | 0644 |
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| tracepoint-defs.h | File | 2.46 KB | 0644 |
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| turris-omnia-mcu-interface.h | File | 11.13 KB | 0644 |
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| typecheck.h | File | 782 B | 0644 |
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| u64_stats_sync.h | File | 5.45 KB | 0644 |
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| unaligned.h | File | 3.14 KB | 0644 |
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| unicode.h | File | 2.05 KB | 0644 |
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| union_find.h | File | 1.14 KB | 0644 |
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| units.h | File | 2.88 KB | 0644 |
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| unroll.h | File | 1.77 KB | 0644 |
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| usb.h | File | 78.94 KB | 0644 |
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| usb_usual.h | File | 3.58 KB | 0644 |
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| usbdevice_fs.h | File | 2.18 KB | 0644 |
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| user-return-notifier.h | File | 1.18 KB | 0644 |
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| user_events.h | File | 1.68 KB | 0644 |
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| user_namespace.h | File | 6.42 KB | 0644 |
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| userfaultfd_k.h | File | 13.22 KB | 0644 |
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| uuid.h | File | 2.49 KB | 0644 |
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| vfio.h | File | 13.34 KB | 0644 |
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| vfio_pci_core.h | File | 5.59 KB | 0644 |
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| vfs.h | File | 116 B | 0644 |
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| vga_switcheroo.h | File | 8.62 KB | 0644 |
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| virtio.h | File | 10.57 KB | 0644 |
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| virtio_anchor.h | File | 507 B | 0644 |
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| virtio_byteorder.h | File | 1.46 KB | 0644 |
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| virtio_caif.h | File | 513 B | 0644 |
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| virtio_config.h | File | 18.11 KB | 0644 |
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| virtio_dma_buf.h | File | 1.12 KB | 0644 |
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| virtio_net.h | File | 6.53 KB | 0644 |
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| virtio_pci_admin.h | File | 1.47 KB | 0644 |
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| virtio_pci_legacy.h | File | 1.37 KB | 0644 |
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| virtio_pci_modern.h | File | 4.39 KB | 0644 |
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| virtio_ring.h | File | 3.2 KB | 0644 |
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| virtio_vsock.h | File | 7.44 KB | 0644 |
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| vm_event_item.h | File | 4.29 KB | 0644 |
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| vmalloc.h | File | 10.61 KB | 0644 |
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| vmcore_info.h | File | 3.08 KB | 0644 |
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| vmpressure.h | File | 1.68 KB | 0644 |
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| vmstat.h | File | 16.78 KB | 0644 |
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| vmw_vmci_api.h | File | 2.88 KB | 0644 |
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| vmw_vmci_defs.h | File | 29.93 KB | 0644 |
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| vt_buffer.h | File | 1.13 KB | 0644 |
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| vtime.h | File | 4.47 KB | 0644 |
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| watch_queue.h | File | 3.83 KB | 0644 |
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| watchdog.h | File | 8.21 KB | 0644 |
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| win_minmax.h | File | 831 B | 0644 |
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| wireless.h | File | 1.56 KB | 0644 |
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| wkup_m3_ipc.h | File | 1.58 KB | 0644 |
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| wm97xx.h | File | 10.44 KB | 0644 |
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| wmi.h | File | 3.36 KB | 0644 |
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| wordpart.h | File | 1.5 KB | 0644 |
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| workqueue.h | File | 29.84 KB | 0644 |
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| workqueue_api.h | File | 29 B | 0644 |
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| workqueue_types.h | File | 564 B | 0644 |
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| writeback.h | File | 12.67 KB | 0644 |
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| ww_mutex.h | File | 13.38 KB | 0644 |
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| xarray.h | File | 58.06 KB | 0644 |
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| xattr.h | File | 4.5 KB | 0644 |
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| xxhash.h | File | 8.27 KB | 0644 |
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| yam.h | File | 2.18 KB | 0644 |
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| zconf.h | File | 1.73 KB | 0644 |
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| zlib.h | File | 28.11 KB | 0644 |
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| zorro.h | File | 3.57 KB | 0644 |
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| zpool.h | File | 2.84 KB | 0644 |
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