Merge branch 'for-5.11/elecom' into for-linus

- support for EX-G M-XGL20DLBK device, from YOSHIOKA Takuma
This commit is contained in:
Jiri Kosina 2020-12-16 11:41:05 +01:00
commit e77bc7dc9a
8166 changed files with 285395 additions and 165282 deletions

View file

@ -1153,7 +1153,7 @@ struct acpi_probe_entry {
#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
valid, data, fn) \
static const struct acpi_probe_entry __acpi_probe_##name \
__used __section(__##table##_acpi_probe_table) = { \
__used __section("__" #table "_acpi_probe_table") = { \
.id = table_id, \
.type = subtable, \
.subtable_valid = valid, \
@ -1164,7 +1164,7 @@ struct acpi_probe_entry {
#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
subtable, valid, data, fn) \
static const struct acpi_probe_entry __acpi_probe_##name \
__used __section(__##table##_acpi_probe_table) = { \
__used __section("__" #table "_acpi_probe_table") = { \
.id = table_id, \
.type = subtable, \
.subtable_valid = valid, \

View file

@ -49,6 +49,7 @@
#define ARM_SMCCC_OWNER_OEM 3
#define ARM_SMCCC_OWNER_STANDARD 4
#define ARM_SMCCC_OWNER_STANDARD_HYP 5
#define ARM_SMCCC_OWNER_VENDOR_HYP 6
#define ARM_SMCCC_OWNER_TRUSTED_APP 48
#define ARM_SMCCC_OWNER_TRUSTED_APP_END 49
#define ARM_SMCCC_OWNER_TRUSTED_OS 50
@ -86,6 +87,8 @@
ARM_SMCCC_SMC_32, \
0, 0x7fff)
#define SMCCC_ARCH_WORKAROUND_RET_UNAFFECTED 1
/* Paravirtualised time calls (defined by ARM DEN0057A) */
#define ARM_SMCCC_HV_PV_TIME_FEATURES \
ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
@ -227,87 +230,67 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
#define __count_args(...) \
___count_args(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1, 0)
#define __constraint_write_0 \
"+r" (r0), "=&r" (r1), "=&r" (r2), "=&r" (r3)
#define __constraint_write_1 \
"+r" (r0), "+r" (r1), "=&r" (r2), "=&r" (r3)
#define __constraint_write_2 \
"+r" (r0), "+r" (r1), "+r" (r2), "=&r" (r3)
#define __constraint_write_3 \
"+r" (r0), "+r" (r1), "+r" (r2), "+r" (r3)
#define __constraint_write_4 __constraint_write_3
#define __constraint_write_5 __constraint_write_4
#define __constraint_write_6 __constraint_write_5
#define __constraint_write_7 __constraint_write_6
#define __constraint_read_0
#define __constraint_read_1
#define __constraint_read_2
#define __constraint_read_3
#define __constraint_read_4 "r" (r4)
#define __constraint_read_5 __constraint_read_4, "r" (r5)
#define __constraint_read_6 __constraint_read_5, "r" (r6)
#define __constraint_read_7 __constraint_read_6, "r" (r7)
#define __constraint_read_0 "r" (arg0)
#define __constraint_read_1 __constraint_read_0, "r" (arg1)
#define __constraint_read_2 __constraint_read_1, "r" (arg2)
#define __constraint_read_3 __constraint_read_2, "r" (arg3)
#define __constraint_read_4 __constraint_read_3, "r" (arg4)
#define __constraint_read_5 __constraint_read_4, "r" (arg5)
#define __constraint_read_6 __constraint_read_5, "r" (arg6)
#define __constraint_read_7 __constraint_read_6, "r" (arg7)
#define __declare_arg_0(a0, res) \
struct arm_smccc_res *___res = res; \
register unsigned long r0 asm("r0") = (u32)a0; \
register unsigned long r1 asm("r1"); \
register unsigned long r2 asm("r2"); \
register unsigned long r3 asm("r3")
register unsigned long arg0 asm("r0") = (u32)a0
#define __declare_arg_1(a0, a1, res) \
typeof(a1) __a1 = a1; \
struct arm_smccc_res *___res = res; \
register unsigned long r0 asm("r0") = (u32)a0; \
register unsigned long r1 asm("r1") = __a1; \
register unsigned long r2 asm("r2"); \
register unsigned long r3 asm("r3")
register unsigned long arg0 asm("r0") = (u32)a0; \
register typeof(a1) arg1 asm("r1") = __a1
#define __declare_arg_2(a0, a1, a2, res) \
typeof(a1) __a1 = a1; \
typeof(a2) __a2 = a2; \
struct arm_smccc_res *___res = res; \
register unsigned long r0 asm("r0") = (u32)a0; \
register unsigned long r1 asm("r1") = __a1; \
register unsigned long r2 asm("r2") = __a2; \
register unsigned long r3 asm("r3")
register unsigned long arg0 asm("r0") = (u32)a0; \
register typeof(a1) arg1 asm("r1") = __a1; \
register typeof(a2) arg2 asm("r2") = __a2
#define __declare_arg_3(a0, a1, a2, a3, res) \
typeof(a1) __a1 = a1; \
typeof(a2) __a2 = a2; \
typeof(a3) __a3 = a3; \
struct arm_smccc_res *___res = res; \
register unsigned long r0 asm("r0") = (u32)a0; \
register unsigned long r1 asm("r1") = __a1; \
register unsigned long r2 asm("r2") = __a2; \
register unsigned long r3 asm("r3") = __a3
register unsigned long arg0 asm("r0") = (u32)a0; \
register typeof(a1) arg1 asm("r1") = __a1; \
register typeof(a2) arg2 asm("r2") = __a2; \
register typeof(a3) arg3 asm("r3") = __a3
#define __declare_arg_4(a0, a1, a2, a3, a4, res) \
typeof(a4) __a4 = a4; \
__declare_arg_3(a0, a1, a2, a3, res); \
register unsigned long r4 asm("r4") = __a4
register typeof(a4) arg4 asm("r4") = __a4
#define __declare_arg_5(a0, a1, a2, a3, a4, a5, res) \
typeof(a5) __a5 = a5; \
__declare_arg_4(a0, a1, a2, a3, a4, res); \
register unsigned long r5 asm("r5") = __a5
register typeof(a5) arg5 asm("r5") = __a5
#define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res) \
typeof(a6) __a6 = a6; \
__declare_arg_5(a0, a1, a2, a3, a4, a5, res); \
register unsigned long r6 asm("r6") = __a6
register typeof(a6) arg6 asm("r6") = __a6
#define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res) \
typeof(a7) __a7 = a7; \
__declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \
register unsigned long r7 asm("r7") = __a7
register typeof(a7) arg7 asm("r7") = __a7
#define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
#define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__)
#define ___constraints(count) \
: __constraint_write_ ## count \
: __constraint_read_ ## count \
: "memory"
#define __constraints(count) ___constraints(count)
@ -319,8 +302,13 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
*/
#define __arm_smccc_1_1(inst, ...) \
do { \
register unsigned long r0 asm("r0"); \
register unsigned long r1 asm("r1"); \
register unsigned long r2 asm("r2"); \
register unsigned long r3 asm("r3"); \
__declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
asm volatile(inst "\n" \
asm volatile(inst "\n" : \
"=r" (r0), "=r" (r1), "=r" (r2), "=r" (r3) \
__constraints(__count_args(__VA_ARGS__))); \
if (___res) \
*___res = (typeof(*___res)){r0, r1, r2, r3}; \
@ -366,7 +354,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
#define __fail_smccc_1_1(...) \
do { \
__declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \
asm ("" __constraints(__count_args(__VA_ARGS__))); \
asm ("" : __constraints(__count_args(__VA_ARGS__))); \
if (___res) \
___res->a0 = SMCCC_RET_NOT_SUPPORTED; \
} while (0)

View file

@ -9,9 +9,19 @@
#include <linux/kernel.h>
#include <linux/vmalloc.h>
struct ssb_sprom;
#ifdef CONFIG_BCM47XX_SPROM
void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
bool fallback);
int bcm47xx_sprom_register_fallbacks(void);
#else
static inline void bcm47xx_fill_sprom(struct ssb_sprom *sprom,
const char *prefix,
bool fallback)
{
}
static inline int bcm47xx_sprom_register_fallbacks(void)
{
return -ENOTSUPP;

View file

@ -84,7 +84,7 @@ struct bcm_tag {
char flash_layout_ver[FLASHLAYOUTVER_LEN];
/* 196-199: kernel+rootfs CRC32 */
__u32 fskernel_crc;
/* 200-215: Unused except on Alice Gate where is is information */
/* 200-215: Unused except on Alice Gate where it is information */
char information2[TAGINFO2_LEN];
/* 216-219: CRC32 of image less imagetag (kernel for Alice Gate) */
__u32 image_crc;

View file

@ -188,12 +188,10 @@ static inline unsigned fls_long(unsigned long l)
static inline int get_count_order(unsigned int count)
{
int order;
if (count == 0)
return -1;
order = fls(count) - 1;
if (count & (count - 1))
order++;
return order;
return fls(--count);
}
/**
@ -206,10 +204,7 @@ static inline int get_count_order_long(unsigned long l)
{
if (l == 0UL)
return -1;
else if (l & (l - 1UL))
return (int)fls_long(l);
else
return (int)fls_long(l) - 1;
return (int)fls_long(--l);
}
/**

View file

@ -235,6 +235,8 @@ enum hctx_type {
* @flags: Zero or more BLK_MQ_F_* flags.
* @driver_data: Pointer to data owned by the block driver that created this
* tag set.
* @active_queues_shared_sbitmap:
* number of active request queues per tag set.
* @__bitmap_tags: A shared tags sbitmap, used over all hctx's
* @__breserved_tags:
* A shared reserved tags sbitmap, used over all hctx's

View file

@ -104,6 +104,24 @@ typedef u8 __bitwise blk_status_t;
*/
#define BLK_STS_ZONE_RESOURCE ((__force blk_status_t)14)
/*
* BLK_STS_ZONE_OPEN_RESOURCE is returned from the driver in the completion
* path if the device returns a status indicating that too many zone resources
* are currently open. The same command should be successful if resubmitted
* after the number of open zones decreases below the device's limits, which is
* reported in the request_queue's max_open_zones.
*/
#define BLK_STS_ZONE_OPEN_RESOURCE ((__force blk_status_t)15)
/*
* BLK_STS_ZONE_ACTIVE_RESOURCE is returned from the driver in the completion
* path if the device returns a status indicating that too many zone resources
* are currently active. The same command should be successful if resubmitted
* after the number of active zones decreases below the device's limits, which
* is reported in the request_queue's max_active_zones.
*/
#define BLK_STS_ZONE_ACTIVE_RESOURCE ((__force blk_status_t)16)
/**
* blk_path_error - returns true if error may be path related
* @error: status the request was completed with

View file

@ -8,6 +8,7 @@
#include <linux/genhd.h>
#include <linux/list.h>
#include <linux/llist.h>
#include <linux/minmax.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/pagemap.h>

View file

@ -136,7 +136,7 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
struct ctl_table *table, int write,
void **buf, size_t *pcount, loff_t *ppos,
char **buf, size_t *pcount, loff_t *ppos,
enum bpf_attach_type type);
int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level,
@ -279,6 +279,31 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) \
BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_RECVMSG, NULL)
/* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a
* fullsock and its parent fullsock cannot be traced by
* sk_to_full_sk().
*
* e.g. sock_ops->sk is a request_sock and it is under syncookie mode.
* Its listener-sk is not attached to the rsk_listener.
* In this case, the caller holds the listener-sk (unlocked),
* set its sock_ops->sk to req_sk, and call this SOCK_OPS"_SK" with
* the listener-sk such that the cgroup-bpf-progs of the
* listener-sk will be run.
*
* Regardless of syncookie mode or not,
* calling bpf_setsockopt on listener-sk will not make sense anyway,
* so passing 'sock_ops->sk == req_sk' to the bpf prog is appropriate here.
*/
#define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \
({ \
int __ret = 0; \
if (cgroup_bpf_enabled) \
__ret = __cgroup_bpf_run_filter_sock_ops(sk, \
sock_ops, \
BPF_CGROUP_SOCK_OPS); \
__ret; \
})
#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \
({ \
int __ret = 0; \

View file

@ -34,6 +34,8 @@ struct btf_type;
struct exception_table_entry;
struct seq_operations;
struct bpf_iter_aux_info;
struct bpf_local_storage;
struct bpf_local_storage_map;
extern struct idr btf_idr;
extern spinlock_t btf_idr_lock;
@ -80,7 +82,7 @@ struct bpf_map_ops {
void *(*map_fd_get_ptr)(struct bpf_map *map, struct file *map_file,
int fd);
void (*map_fd_put_ptr)(void *ptr);
u32 (*map_gen_lookup)(struct bpf_map *map, struct bpf_insn *insn_buf);
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);
@ -104,6 +106,25 @@ struct bpf_map_ops {
__poll_t (*map_poll)(struct bpf_map *map, struct file *filp,
struct poll_table_struct *pts);
/* 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);
/* 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);
/* BTF name and id of struct allocated by map_alloc */
const char * const map_btf_name;
int *map_btf_id;
@ -227,6 +248,9 @@ int map_check_no_btf(const struct bpf_map *map,
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;
/* function argument constraints */
@ -268,6 +292,9 @@ enum bpf_arg_type {
ARG_PTR_TO_ALLOC_MEM, /* pointer to dynamically allocated memory */
ARG_PTR_TO_ALLOC_MEM_OR_NULL, /* pointer to dynamically allocated memory or NULL */
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 */
__BPF_ARG_TYPE_MAX,
};
/* type of values returned from helper functions */
@ -281,6 +308,8 @@ enum bpf_return_type {
RET_PTR_TO_SOCK_COMMON_OR_NULL, /* returns a pointer to a sock_common or NULL */
RET_PTR_TO_ALLOC_MEM_OR_NULL, /* returns a pointer to dynamically allocated memory or NULL */
RET_PTR_TO_BTF_ID_OR_NULL, /* returns a pointer to a btf_id or NULL */
RET_PTR_TO_MEM_OR_BTF_ID_OR_NULL, /* returns a pointer to a valid memory or a btf_id or NULL */
RET_PTR_TO_MEM_OR_BTF_ID, /* returns a pointer to a valid memory or a btf_id */
};
/* eBPF function prototype used by verifier to allow BPF_CALLs from eBPF programs
@ -302,13 +331,18 @@ struct bpf_func_proto {
};
enum bpf_arg_type arg_type[5];
};
int *btf_id; /* BTF ids of arguments */
bool (*check_btf_id)(u32 btf_id, u32 arg); /* if the argument btf_id is
* valid. Often used if more
* than one btf id is permitted
* for this argument.
*/
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];
};
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
@ -352,14 +386,29 @@ enum bpf_reg_type {
PTR_TO_TCP_SOCK_OR_NULL, /* reg points to struct tcp_sock or NULL */
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, /* reg points to kernel struct */
PTR_TO_BTF_ID_OR_NULL, /* reg points to kernel struct or NULL */
/* 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_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_TO_MEM, /* reg points to valid memory region */
PTR_TO_MEM_OR_NULL, /* reg points to valid memory region or NULL */
PTR_TO_RDONLY_BUF, /* reg points to a readonly buffer */
PTR_TO_RDONLY_BUF_OR_NULL, /* reg points to a readonly buffer or NULL */
PTR_TO_RDWR_BUF, /* reg points to a read/write buffer */
PTR_TO_RDWR_BUF_OR_NULL, /* reg points to a read/write buffer or NULL */
PTR_TO_PERCPU_BTF_ID, /* reg points to a percpu kernel variable */
};
/* The information passed from prog-specific *_is_valid_access
@ -514,6 +563,8 @@ int arch_prepare_bpf_trampoline(void *image, void *image_end,
/* these two functions are called from generated trampoline */
u64 notrace __bpf_prog_enter(void);
void notrace __bpf_prog_exit(struct bpf_prog *prog, u64 start);
void notrace __bpf_prog_enter_sleepable(void);
void notrace __bpf_prog_exit_sleepable(void);
struct bpf_ksym {
unsigned long start;
@ -559,6 +610,13 @@ struct bpf_trampoline {
struct bpf_ksym ksym;
};
struct bpf_attach_target_info {
struct btf_func_model fmodel;
long tgt_addr;
const char *tgt_name;
const struct btf_type *tgt_type;
};
#define BPF_DISPATCHER_MAX 48 /* Fits in 2048B */
struct bpf_dispatcher_prog {
@ -586,9 +644,10 @@ static __always_inline unsigned int bpf_dispatcher_nop_func(
return bpf_func(ctx, insnsi);
}
#ifdef CONFIG_BPF_JIT
struct bpf_trampoline *bpf_trampoline_lookup(u64 key);
int bpf_trampoline_link_prog(struct bpf_prog *prog);
int bpf_trampoline_unlink_prog(struct bpf_prog *prog);
int bpf_trampoline_link_prog(struct bpf_prog *prog, struct bpf_trampoline *tr);
int bpf_trampoline_unlink_prog(struct bpf_prog *prog, struct bpf_trampoline *tr);
struct bpf_trampoline *bpf_trampoline_get(u64 key,
struct bpf_attach_target_info *tgt_info);
void bpf_trampoline_put(struct bpf_trampoline *tr);
#define BPF_DISPATCHER_INIT(_name) { \
.mutex = __MUTEX_INITIALIZER(_name.mutex), \
@ -633,18 +692,21 @@ 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);
#else
static inline struct bpf_trampoline *bpf_trampoline_lookup(u64 key)
{
return NULL;
}
static inline int bpf_trampoline_link_prog(struct bpf_prog *prog)
static inline int bpf_trampoline_link_prog(struct bpf_prog *prog,
struct bpf_trampoline *tr)
{
return -ENOTSUPP;
}
static inline int bpf_trampoline_unlink_prog(struct bpf_prog *prog)
static inline int bpf_trampoline_unlink_prog(struct bpf_prog *prog,
struct bpf_trampoline *tr)
{
return -ENOTSUPP;
}
static inline struct bpf_trampoline *bpf_trampoline_get(u64 key,
struct bpf_attach_target_info *tgt_info)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void bpf_trampoline_put(struct bpf_trampoline *tr) {}
#define DEFINE_BPF_DISPATCHER(name)
#define DECLARE_BPF_DISPATCHER(name)
@ -670,16 +732,19 @@ enum bpf_jit_poke_reason {
/* Descriptor of pokes pointing /into/ the JITed image. */
struct bpf_jit_poke_descriptor {
void *ip;
void *tailcall_target;
void *tailcall_bypass;
void *bypass_addr;
union {
struct {
struct bpf_map *map;
u32 key;
} tail_call;
};
bool ip_stable;
bool tailcall_target_stable;
u8 adj_off;
u16 reason;
u32 insn_idx;
};
/* reg_type info for ctx arguments */
@ -704,13 +769,18 @@ struct bpf_prog_aux {
u32 max_rdonly_access;
u32 max_rdwr_access;
const struct bpf_ctx_arg_aux *ctx_arg_info;
struct bpf_prog *linked_prog;
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 offload_requested;
bool attach_btf_trace; /* true if attaching to BTF-enabled raw tp */
bool func_proto_unreliable;
bool sleepable;
bool tail_call_reachable;
enum bpf_tramp_prog_type trampoline_prog_type;
struct bpf_trampoline *trampoline;
struct hlist_node tramp_hlist;
/* BTF_KIND_FUNC_PROTO for valid attach_btf_id */
const struct btf_type *attach_func_proto;
@ -723,6 +793,7 @@ struct bpf_prog_aux {
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 bpf_prog *prog;
struct user_struct *user;
u64 load_time; /* ns since boottime */
@ -1218,12 +1289,18 @@ 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);
#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;
u32 ctx_arg_info_size;
struct bpf_ctx_arg_aux ctx_arg_info[BPF_ITER_CTX_ARG_MAX];
const struct bpf_iter_seq_info *seq_info;
@ -1250,6 +1327,10 @@ 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 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);
@ -1292,6 +1373,8 @@ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr,
union bpf_attr __user *uattr);
void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth);
struct btf *bpf_get_btf_vmlinux(void);
/* Map specifics */
struct xdp_buff;
struct sk_buff;
@ -1333,6 +1416,9 @@ int bpf_prog_test_run_tracing(struct bpf_prog *prog,
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);
bool btf_ctx_access(int off, int size, enum bpf_access_type type,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info);
@ -1340,8 +1426,8 @@ int btf_struct_access(struct bpf_verifier_log *log,
const struct btf_type *t, int off, int size,
enum bpf_access_type atype,
u32 *next_btf_id);
int btf_resolve_helper_id(struct bpf_verifier_log *log,
const struct bpf_func_proto *fn, int);
bool btf_struct_ids_match(struct bpf_verifier_log *log,
int off, u32 id, u32 need_type_id);
int btf_distill_func_proto(struct bpf_verifier_log *log,
struct btf *btf,
@ -1354,10 +1440,11 @@ int btf_check_func_arg_match(struct bpf_verifier_env *env, int subprog,
struct bpf_reg_state *regs);
int btf_prepare_func_args(struct bpf_verifier_env *env, int subprog,
struct bpf_reg_state *reg);
int btf_check_type_match(struct bpf_verifier_env *env, struct bpf_prog *prog,
int btf_check_type_match(struct bpf_verifier_log *log, const struct bpf_prog *prog,
struct btf *btf, const struct btf_type *t);
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);
#else /* !CONFIG_BPF_SYSCALL */
@ -1637,6 +1724,7 @@ int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog,
struct bpf_prog *old, u32 which);
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);
void sock_map_unhash(struct sock *sk);
void sock_map_close(struct sock *sk, long timeout);
#else
@ -1658,6 +1746,12 @@ static inline int sock_map_prog_detach(const union bpf_attr *attr,
{
return -EOPNOTSUPP;
}
static inline int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value,
u64 flags)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_BPF_STREAM_PARSER */
#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL)
@ -1736,6 +1830,10 @@ 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_copy_from_user_proto;
extern const struct bpf_func_proto bpf_snprintf_btf_proto;
extern const struct bpf_func_proto bpf_per_cpu_ptr_proto;
extern const struct bpf_func_proto bpf_this_cpu_ptr_proto;
const struct bpf_func_proto *bpf_tracing_func_proto(
enum bpf_func_id func_id, const struct bpf_prog *prog);
@ -1850,4 +1948,7 @@ enum bpf_text_poke_type {
int bpf_arch_text_poke(void *ip, enum bpf_text_poke_type t,
void *addr1, void *addr2);
struct btf_id_set;
bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
#endif /* _LINUX_BPF_H */

View file

@ -0,0 +1,163 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 Facebook
* Copyright 2020 Google LLC.
*/
#ifndef _BPF_LOCAL_STORAGE_H
#define _BPF_LOCAL_STORAGE_H
#include <linux/bpf.h>
#include <linux/rculist.h>
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/types.h>
#include <uapi/linux/btf.h>
#define BPF_LOCAL_STORAGE_CACHE_SIZE 16
struct bpf_local_storage_map_bucket {
struct hlist_head list;
raw_spinlock_t lock;
};
/* Thp map is not the primary owner of a bpf_local_storage_elem.
* Instead, the container object (eg. sk->sk_bpf_storage) is.
*
* The map (bpf_local_storage_map) is for two purposes
* 1. Define the size of the "local storage". It is
* the map's value_size.
*
* 2. Maintain a list to keep track of all elems such
* that they can be cleaned up during the map destruction.
*
* When a bpf local storage is being looked up for a
* particular object, the "bpf_map" pointer is actually used
* as the "key" to search in the list of elem in
* the respective bpf_local_storage owned by the object.
*
* e.g. sk->sk_bpf_storage is the mini-map with the "bpf_map" pointer
* as the searching key.
*/
struct bpf_local_storage_map {
struct bpf_map map;
/* Lookup elem does not require accessing the map.
*
* Updating/Deleting requires a bucket lock to
* link/unlink the elem from the map. Having
* multiple buckets to improve contention.
*/
struct bpf_local_storage_map_bucket *buckets;
u32 bucket_log;
u16 elem_size;
u16 cache_idx;
};
struct bpf_local_storage_data {
/* smap is used as the searching key when looking up
* from the object's bpf_local_storage.
*
* Put it in the same cacheline as the data to minimize
* the number of cachelines access during the cache hit case.
*/
struct bpf_local_storage_map __rcu *smap;
u8 data[] __aligned(8);
};
/* Linked to bpf_local_storage and bpf_local_storage_map */
struct bpf_local_storage_elem {
struct hlist_node map_node; /* Linked to bpf_local_storage_map */
struct hlist_node snode; /* Linked to bpf_local_storage */
struct bpf_local_storage __rcu *local_storage;
struct rcu_head rcu;
/* 8 bytes hole */
/* The data is stored in aother cacheline to minimize
* the number of cachelines access during a cache hit.
*/
struct bpf_local_storage_data sdata ____cacheline_aligned;
};
struct bpf_local_storage {
struct bpf_local_storage_data __rcu *cache[BPF_LOCAL_STORAGE_CACHE_SIZE];
struct hlist_head list; /* List of bpf_local_storage_elem */
void *owner; /* The object that owns the above "list" of
* bpf_local_storage_elem.
*/
struct rcu_head rcu;
raw_spinlock_t lock; /* Protect adding/removing from the "list" */
};
/* U16_MAX is much more than enough for sk local storage
* considering a tcp_sock is ~2k.
*/
#define BPF_LOCAL_STORAGE_MAX_VALUE_SIZE \
min_t(u32, \
(KMALLOC_MAX_SIZE - MAX_BPF_STACK - \
sizeof(struct bpf_local_storage_elem)), \
(U16_MAX - sizeof(struct bpf_local_storage_elem)))
#define SELEM(_SDATA) \
container_of((_SDATA), struct bpf_local_storage_elem, sdata)
#define SDATA(_SELEM) (&(_SELEM)->sdata)
#define BPF_LOCAL_STORAGE_CACHE_SIZE 16
struct bpf_local_storage_cache {
spinlock_t idx_lock;
u64 idx_usage_counts[BPF_LOCAL_STORAGE_CACHE_SIZE];
};
#define DEFINE_BPF_STORAGE_CACHE(name) \
static struct bpf_local_storage_cache name = { \
.idx_lock = __SPIN_LOCK_UNLOCKED(name.idx_lock), \
}
u16 bpf_local_storage_cache_idx_get(struct bpf_local_storage_cache *cache);
void bpf_local_storage_cache_idx_free(struct bpf_local_storage_cache *cache,
u16 idx);
/* Helper functions for bpf_local_storage */
int bpf_local_storage_map_alloc_check(union bpf_attr *attr);
struct bpf_local_storage_map *bpf_local_storage_map_alloc(union bpf_attr *attr);
struct bpf_local_storage_data *
bpf_local_storage_lookup(struct bpf_local_storage *local_storage,
struct bpf_local_storage_map *smap,
bool cacheit_lockit);
void bpf_local_storage_map_free(struct bpf_local_storage_map *smap);
int bpf_local_storage_map_check_btf(const struct bpf_map *map,
const struct btf *btf,
const struct btf_type *key_type,
const struct btf_type *value_type);
void bpf_selem_link_storage_nolock(struct bpf_local_storage *local_storage,
struct bpf_local_storage_elem *selem);
bool bpf_selem_unlink_storage_nolock(struct bpf_local_storage *local_storage,
struct bpf_local_storage_elem *selem,
bool uncharge_omem);
void bpf_selem_unlink(struct bpf_local_storage_elem *selem);
void bpf_selem_link_map(struct bpf_local_storage_map *smap,
struct bpf_local_storage_elem *selem);
void bpf_selem_unlink_map(struct bpf_local_storage_elem *selem);
struct bpf_local_storage_elem *
bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner, void *value,
bool charge_mem);
int
bpf_local_storage_alloc(void *owner,
struct bpf_local_storage_map *smap,
struct bpf_local_storage_elem *first_selem);
struct bpf_local_storage_data *
bpf_local_storage_update(void *owner, struct bpf_local_storage_map *smap,
void *value, u64 map_flags);
#endif /* _BPF_LOCAL_STORAGE_H */

View file

@ -17,9 +17,28 @@
#include <linux/lsm_hook_defs.h>
#undef LSM_HOOK
struct bpf_storage_blob {
struct bpf_local_storage __rcu *storage;
};
extern struct lsm_blob_sizes bpf_lsm_blob_sizes;
int bpf_lsm_verify_prog(struct bpf_verifier_log *vlog,
const struct bpf_prog *prog);
static inline struct bpf_storage_blob *bpf_inode(
const struct inode *inode)
{
if (unlikely(!inode->i_security))
return NULL;
return inode->i_security + bpf_lsm_blob_sizes.lbs_inode;
}
extern const struct bpf_func_proto bpf_inode_storage_get_proto;
extern const struct bpf_func_proto bpf_inode_storage_delete_proto;
void bpf_inode_storage_free(struct inode *inode);
#else /* !CONFIG_BPF_LSM */
static inline int bpf_lsm_verify_prog(struct bpf_verifier_log *vlog,
@ -28,6 +47,16 @@ static inline int bpf_lsm_verify_prog(struct bpf_verifier_log *vlog,
return -EOPNOTSUPP;
}
static inline struct bpf_storage_blob *bpf_inode(
const struct inode *inode)
{
return NULL;
}
static inline void bpf_inode_storage_free(struct inode *inode)
{
}
#endif /* CONFIG_BPF_LSM */
#endif /* _LINUX_BPF_LSM_H */

View file

@ -107,6 +107,9 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_SK_STORAGE, sk_storage_map_ops)
BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKMAP, sock_map_ops)
BPF_MAP_TYPE(BPF_MAP_TYPE_SOCKHASH, sock_hash_ops)
#endif
#ifdef CONFIG_BPF_LSM
BPF_MAP_TYPE(BPF_MAP_TYPE_INODE_STORAGE, inode_storage_map_ops)
#endif
BPF_MAP_TYPE(BPF_MAP_TYPE_CPUMAP, cpu_map_ops)
#if defined(CONFIG_XDP_SOCKETS)
BPF_MAP_TYPE(BPF_MAP_TYPE_XSKMAP, xsk_map_ops)

View file

@ -308,6 +308,13 @@ struct bpf_insn_aux_data {
u32 map_index; /* index into used_maps[] */
u32 map_off; /* offset from value base address */
};
struct {
enum bpf_reg_type reg_type; /* type of pseudo_btf_id */
union {
u32 btf_id; /* btf_id for struct typed var */
u32 mem_size; /* mem_size for non-struct typed var */
};
} btf_var;
};
u64 map_key_state; /* constant (32 bit) key tracking for maps */
int ctx_field_size; /* the ctx field size for load insn, maybe 0 */
@ -347,8 +354,9 @@ static inline bool bpf_verifier_log_full(const struct bpf_verifier_log *log)
static inline bool bpf_verifier_log_needed(const struct bpf_verifier_log *log)
{
return (log->level && log->ubuf && !bpf_verifier_log_full(log)) ||
log->level == BPF_LOG_KERNEL;
return log &&
((log->level && log->ubuf && !bpf_verifier_log_full(log)) ||
log->level == BPF_LOG_KERNEL);
}
#define BPF_MAX_SUBPROGS 256
@ -358,6 +366,9 @@ struct bpf_subprog_info {
u32 start; /* insn idx of function entry point */
u32 linfo_idx; /* The idx to the main_prog->aux->linfo */
u16 stack_depth; /* max. stack depth used by this function */
bool has_tail_call;
bool tail_call_reachable;
bool has_ld_abs;
};
/* single container for all structs
@ -446,4 +457,17 @@ bpf_prog_offload_remove_insns(struct bpf_verifier_env *env, u32 off, u32 cnt);
int check_ctx_reg(struct bpf_verifier_env *env,
const struct bpf_reg_state *reg, int regno);
/* this lives here instead of in bpf.h because it needs to dereference tgt_prog */
static inline u64 bpf_trampoline_compute_key(const struct bpf_prog *tgt_prog,
u32 btf_id)
{
return tgt_prog ? (((u64)tgt_prog->aux->id) << 32 | btf_id) : btf_id;
}
int bpf_check_attach_target(struct bpf_verifier_log *log,
const struct bpf_prog *prog,
const struct bpf_prog *tgt_prog,
u32 btf_id,
struct bpf_attach_target_info *tgt_info);
#endif /* _LINUX_BPF_VERIFIER_H */

View file

@ -30,6 +30,7 @@
#define PHY_ID_BCM57780 0x03625d90
#define PHY_ID_BCM89610 0x03625cd0
#define PHY_ID_BCM72113 0x35905310
#define PHY_ID_BCM7250 0xae025280
#define PHY_ID_BCM7255 0xae025120
#define PHY_ID_BCM7260 0xae025190

View file

@ -6,6 +6,7 @@
#include <linux/types.h>
#include <uapi/linux/btf.h>
#include <uapi/linux/bpf.h>
#define BTF_TYPE_EMIT(type) ((void)(type *)0)
@ -13,6 +14,7 @@ struct btf;
struct btf_member;
struct btf_type;
union bpf_attr;
struct btf_show;
extern const struct file_operations btf_fops;
@ -46,8 +48,45 @@ int btf_get_info_by_fd(const struct btf *btf,
const struct btf_type *btf_type_id_size(const struct btf *btf,
u32 *type_id,
u32 *ret_size);
/*
* Options to control show behaviour.
* - BTF_SHOW_COMPACT: no formatting around type information
* - BTF_SHOW_NONAME: no struct/union member names/types
* - BTF_SHOW_PTR_RAW: show raw (unobfuscated) pointer values;
* equivalent to %px.
* - BTF_SHOW_ZERO: show zero-valued struct/union members; they
* are not displayed by default
* - BTF_SHOW_UNSAFE: skip use of bpf_probe_read() to safely read
* data before displaying it.
*/
#define BTF_SHOW_COMPACT BTF_F_COMPACT
#define BTF_SHOW_NONAME BTF_F_NONAME
#define BTF_SHOW_PTR_RAW BTF_F_PTR_RAW
#define BTF_SHOW_ZERO BTF_F_ZERO
#define BTF_SHOW_UNSAFE (1ULL << 4)
void btf_type_seq_show(const struct btf *btf, u32 type_id, void *obj,
struct seq_file *m);
int btf_type_seq_show_flags(const struct btf *btf, u32 type_id, void *obj,
struct seq_file *m, u64 flags);
/*
* Copy len bytes of string representation of obj of BTF type_id into buf.
*
* @btf: struct btf object
* @type_id: type id of type obj points to
* @obj: pointer to typed data
* @buf: buffer to write to
* @len: maximum length to write to buf
* @flags: show options (see above)
*
* Return: length that would have been/was copied as per snprintf, or
* negative error.
*/
int btf_type_snprintf_show(const struct btf *btf, u32 type_id, void *obj,
char *buf, int len, u64 flags);
int btf_get_fd_by_id(u32 id);
u32 btf_id(const struct btf *btf);
bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s,
@ -64,14 +103,18 @@ const struct btf_type *btf_type_resolve_func_ptr(const struct btf *btf,
u32 id, u32 *res_id);
const struct btf_type *
btf_resolve_size(const struct btf *btf, const struct btf_type *type,
u32 *type_size, const struct btf_type **elem_type,
u32 *total_nelems);
u32 *type_size);
#define for_each_member(i, struct_type, member) \
for (i = 0, member = btf_type_member(struct_type); \
i < btf_type_vlen(struct_type); \
i++, member++)
#define for_each_vsi(i, datasec_type, member) \
for (i = 0, member = btf_type_var_secinfo(datasec_type); \
i < btf_type_vlen(datasec_type); \
i++, member++)
static inline bool btf_type_is_ptr(const struct btf_type *t)
{
return BTF_INFO_KIND(t->info) == BTF_KIND_PTR;
@ -107,6 +150,21 @@ static inline bool btf_type_is_func_proto(const struct btf_type *t)
return BTF_INFO_KIND(t->info) == BTF_KIND_FUNC_PROTO;
}
static inline bool btf_type_is_var(const struct btf_type *t)
{
return BTF_INFO_KIND(t->info) == BTF_KIND_VAR;
}
/* union is only a special case of struct:
* all its offsetof(member) == 0
*/
static inline bool btf_type_is_struct(const struct btf_type *t)
{
u8 kind = BTF_INFO_KIND(t->info);
return kind == BTF_KIND_STRUCT || kind == BTF_KIND_UNION;
}
static inline u16 btf_type_vlen(const struct btf_type *t)
{
return BTF_INFO_VLEN(t->info);
@ -141,6 +199,12 @@ static inline const struct btf_member *btf_type_member(const struct btf_type *t)
return (const struct btf_member *)(t + 1);
}
static inline const struct btf_var_secinfo *btf_type_var_secinfo(
const struct btf_type *t)
{
return (const struct btf_var_secinfo *)(t + 1);
}
#ifdef CONFIG_BPF_SYSCALL
const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id);
const char *btf_name_by_offset(const struct btf *btf, u32 offset);

View file

@ -3,6 +3,11 @@
#ifndef _LINUX_BTF_IDS_H
#define _LINUX_BTF_IDS_H
struct btf_id_set {
u32 cnt;
u32 ids[];
};
#ifdef CONFIG_DEBUG_INFO_BTF
#include <linux/compiler.h> /* for __PASTE */
@ -62,7 +67,7 @@ asm( \
".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \
"." #scope " " #name "; \n" \
#name ":; \n" \
".popsection; \n"); \
".popsection; \n");
#define BTF_ID_LIST(name) \
__BTF_ID_LIST(name, local) \
@ -71,6 +76,13 @@ extern u32 name[];
#define BTF_ID_LIST_GLOBAL(name) \
__BTF_ID_LIST(name, globl)
/* The BTF_ID_LIST_SINGLE macro defines a BTF_ID_LIST with
* a single entry.
*/
#define BTF_ID_LIST_SINGLE(name, prefix, typename) \
BTF_ID_LIST(name) \
BTF_ID(prefix, typename)
/*
* The BTF_ID_UNUSED macro defines 4 zero bytes.
* It's used when we want to define 'unused' entry
@ -88,12 +100,57 @@ asm( \
".zero 4 \n" \
".popsection; \n");
/*
* The BTF_SET_START/END macros pair defines sorted list of
* BTF IDs plus its members count, with following layout:
*
* BTF_SET_START(list)
* BTF_ID(type1, name1)
* BTF_ID(type2, name2)
* BTF_SET_END(list)
*
* __BTF_ID__set__list:
* .zero 4
* list:
* __BTF_ID__type1__name1__3:
* .zero 4
* __BTF_ID__type2__name2__4:
* .zero 4
*
*/
#define __BTF_SET_START(name, scope) \
asm( \
".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \
"." #scope " __BTF_ID__set__" #name "; \n" \
"__BTF_ID__set__" #name ":; \n" \
".zero 4 \n" \
".popsection; \n");
#define BTF_SET_START(name) \
__BTF_ID_LIST(name, local) \
__BTF_SET_START(name, local)
#define BTF_SET_START_GLOBAL(name) \
__BTF_ID_LIST(name, globl) \
__BTF_SET_START(name, globl)
#define BTF_SET_END(name) \
asm( \
".pushsection " BTF_IDS_SECTION ",\"a\"; \n" \
".size __BTF_ID__set__" #name ", .-" #name " \n" \
".popsection; \n"); \
extern struct btf_id_set name;
#else
#define BTF_ID_LIST(name) static u32 name[5];
#define BTF_ID(prefix, name)
#define BTF_ID_UNUSED
#define BTF_ID_LIST_GLOBAL(name) u32 name[1];
#define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 name[1];
#define BTF_SET_START(name) static struct btf_id_set name = { 0 };
#define BTF_SET_START_GLOBAL(name) static struct btf_id_set name = { 0 };
#define BTF_SET_END(name)
#endif /* CONFIG_DEBUG_INFO_BTF */

View file

@ -7,10 +7,14 @@
#ifndef __LINUX_BVEC_ITER_H
#define __LINUX_BVEC_ITER_H
#include <linux/kernel.h>
#include <linux/bug.h>
#include <linux/errno.h>
#include <linux/limits.h>
#include <linux/minmax.h>
#include <linux/mm.h>
#include <linux/types.h>
struct page;
/**
* struct bio_vec - a contiguous range of physical memory addresses

View file

@ -34,7 +34,7 @@
* but may get written to during init, so can't live in .rodata (via "const").
*/
#ifndef __ro_after_init
#define __ro_after_init __attribute__((__section__(".data..ro_after_init")))
#define __ro_after_init __section(".data..ro_after_init")
#endif
#ifndef ____cacheline_aligned

View file

@ -2,7 +2,7 @@
/*
* linux/can/core.h
*
* Protoypes and definitions for CAN protocol modules using the PF_CAN core
* Prototypes and definitions for CAN protocol modules using the PF_CAN core
*
* Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
* Urs Thuermann <urs.thuermann@volkswagen.de>
@ -18,13 +18,6 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#define CAN_VERSION "20170425"
/* increment this number each time you change some user-space interface */
#define CAN_ABI_VERSION "9"
#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION
#define DNAME(dev) ((dev) ? (dev)->name : "any")
/**

View file

@ -82,15 +82,30 @@ struct can_priv {
#endif
};
#define CAN_SYNC_SEG 1
/*
* can_bit_time() - Duration of one bit
*
* Please refer to ISO 11898-1:2015, section 11.3.1.1 "Bit time" for
* additional information.
*
* Return: the number of time quanta in one bit.
*/
static inline unsigned int can_bit_time(const struct can_bittiming *bt)
{
return CAN_SYNC_SEG + bt->prop_seg + bt->phase_seg1 + bt->phase_seg2;
}
/*
* get_can_dlc(value) - helper macro to cast a given data length code (dlc)
* to __u8 and ensure the dlc value to be max. 8 bytes.
* to u8 and ensure the dlc value to be max. 8 bytes.
*
* To be used in the CAN netdriver receive path to ensure conformance with
* ISO 11898-1 Chapter 8.4.2.3 (DLC field)
*/
#define get_can_dlc(i) (min_t(__u8, (i), CAN_MAX_DLC))
#define get_canfd_dlc(i) (min_t(__u8, (i), CANFD_MAX_DLC))
#define get_can_dlc(i) (min_t(u8, (i), CAN_MAX_DLC))
#define get_canfd_dlc(i) (min_t(u8, (i), CANFD_MAX_DLC))
/* Check for outgoing skbs that have not been created by the CAN subsystem */
static inline bool can_skb_headroom_valid(struct net_device *dev,
@ -108,7 +123,7 @@ static inline bool can_skb_headroom_valid(struct net_device *dev,
skb->ip_summed = CHECKSUM_UNNECESSARY;
/* preform proper loopback on capable devices */
/* perform proper loopback on capable devices */
if (dev->flags & IFF_ECHO)
skb->pkt_type = PACKET_LOOPBACK;
else
@ -201,8 +216,8 @@ void can_bus_off(struct net_device *dev);
void can_change_state(struct net_device *dev, struct can_frame *cf,
enum can_state tx_state, enum can_state rx_state);
void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
unsigned int idx);
int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
unsigned int idx);
struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx,
u8 *len_ptr);
unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);

View file

@ -35,6 +35,9 @@ int can_rx_offload_add_timestamp(struct net_device *dev,
int can_rx_offload_add_fifo(struct net_device *dev,
struct can_rx_offload *offload,
unsigned int weight);
int can_rx_offload_add_manual(struct net_device *dev,
struct can_rx_offload *offload,
unsigned int weight);
int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload,
u64 reg);
int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);

View file

@ -61,21 +61,17 @@ static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
*/
static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb)
{
if (skb_shared(skb)) {
struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC);
struct sk_buff *nskb;
if (likely(nskb)) {
can_skb_set_owner(nskb, skb->sk);
consume_skb(skb);
return nskb;
} else {
kfree_skb(skb);
return NULL;
}
nskb = skb_clone(skb, GFP_ATOMIC);
if (unlikely(!nskb)) {
kfree_skb(skb);
return NULL;
}
/* we can assume to have an unshared skb with proper owner */
return skb;
can_skb_set_owner(nskb, skb->sk);
consume_skb(skb);
return nskb;
}
#endif /* !_CAN_SKB_H */

View file

@ -54,7 +54,7 @@ struct ceph_connection_operations {
int (*check_message_signature) (struct ceph_msg *msg);
};
/* use format string %s%d */
/* use format string %s%lld */
#define ENTITY_NAME(n) ceph_entity_type_name((n).type), le64_to_cpu((n).num)
struct ceph_messenger {

View file

@ -142,7 +142,7 @@ int ceph_monc_get_version(struct ceph_mon_client *monc, const char *what,
int ceph_monc_get_version_async(struct ceph_mon_client *monc, const char *what,
ceph_monc_callback_t cb, u64 private_data);
int ceph_monc_blacklist_add(struct ceph_mon_client *monc,
int ceph_monc_blocklist_add(struct ceph_mon_client *monc,
struct ceph_entity_addr *client_addr);
extern int ceph_monc_open_session(struct ceph_mon_client *monc);

View file

@ -137,6 +137,17 @@ int ceph_oid_aprintf(struct ceph_object_id *oid, gfp_t gfp,
const char *fmt, ...);
void ceph_oid_destroy(struct ceph_object_id *oid);
struct workspace_manager {
struct list_head idle_ws;
spinlock_t ws_lock;
/* Number of free workspaces */
int free_ws;
/* Total number of allocated workspaces */
atomic_t total_ws;
/* Waiters for a free workspace */
wait_queue_head_t ws_wait;
};
struct ceph_pg_mapping {
struct rb_node node;
struct ceph_pg pgid;
@ -184,8 +195,7 @@ struct ceph_osdmap {
* the list of osds that store+replicate them. */
struct crush_map *crush;
struct mutex crush_workspace_mutex;
void *crush_workspace;
struct workspace_manager crush_wsm;
};
static inline bool ceph_osd_exists(struct ceph_osdmap *map, int osd)

View file

@ -424,7 +424,7 @@ enum {
};
#define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/
#define EBLACKLISTED ESHUTDOWN /* blacklisted */
#define EBLOCKLISTED ESHUTDOWN /* blocklisted */
/* xattr comparison */
enum {

View file

@ -0,0 +1,56 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2020 Krzysztof Kozlowski <krzk@kernel.org>
*/
#ifndef __LINUX_CLK_SAMSUNG_H_
#define __LINUX_CLK_SAMSUNG_H_
#include <linux/compiler_types.h>
struct device_node;
#ifdef CONFIG_ARCH_S3C64XX
void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
unsigned long xusbxti_f, bool s3c6400,
void __iomem *base);
#else
static inline void s3c64xx_clk_init(struct device_node *np,
unsigned long xtal_f,
unsigned long xusbxti_f,
bool s3c6400, void __iomem *base) { }
#endif /* CONFIG_ARCH_S3C64XX */
#ifdef CONFIG_S3C2410_COMMON_CLK
void s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f,
int current_soc,
void __iomem *reg_base);
#else
static inline void s3c2410_common_clk_init(struct device_node *np,
unsigned long xti_f,
int current_soc,
void __iomem *reg_base) { }
#endif /* CONFIG_S3C2410_COMMON_CLK */
#ifdef CONFIG_S3C2412_COMMON_CLK
void s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f,
unsigned long ext_f, void __iomem *reg_base);
#else
static inline void s3c2412_common_clk_init(struct device_node *np,
unsigned long xti_f,
unsigned long ext_f,
void __iomem *reg_base) { }
#endif /* CONFIG_S3C2412_COMMON_CLK */
#ifdef CONFIG_S3C2443_COMMON_CLK
void s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f,
int current_soc,
void __iomem *reg_base);
#else
static inline void s3c2443_common_clk_init(struct device_node *np,
unsigned long xti_f,
int current_soc,
void __iomem *reg_base) { }
#endif /* CONFIG_S3C2443_COMMON_CLK */
#endif /* __LINUX_CLK_SAMSUNG_H_ */

View file

@ -8,8 +8,10 @@
+ __clang_patchlevel__)
#if CLANG_VERSION < 100001
#ifndef __BPF_TRACING__
# error Sorry, your version of Clang is too old - please use 10.0.1 or newer.
#endif
#endif
/* Compiler specific definitions for Clang compiler */
@ -60,12 +62,6 @@
#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
#endif
/* The following are for compatibility with GCC, from compiler-gcc.h,
* and may be redefined here because they should not be shared with other
* compilers, like ICC.
*/
#define barrier() __asm__ __volatile__("" : : : "memory")
#if __has_feature(shadow_call_stack)
# define __noscs __attribute__((__no_sanitize__("shadow-call-stack")))
#endif

View file

@ -15,25 +15,6 @@
# error Sorry, your version of GCC is too old - please use 4.9 or newer.
#endif
/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")
/*
* This version is i.e. to prevent dead stores elimination on @ptr
* where gcc and llvm may behave differently when otherwise using
* normal barrier(): while gcc behavior gets along with a normal
* barrier(), llvm needs an explicit input variable to be assumed
* clobbered. The issue is as follows: while the inline asm might
* access any memory it wants, the compiler could have fit all of
* @ptr into memory registers instead, and since @ptr never escaped
* from that, it proved that the inline asm wasn't touching any of
* it. This version works well with both compilers, i.e. we're telling
* the compiler that the inline asm absolutely may see the contents
* of @ptr. See also: https://llvm.org/bugs/show_bug.cgi?id=15495
*/
#define barrier_data(ptr) __asm__ __volatile__("": :"r"(ptr) :"memory")
/*
* This macro obfuscates arithmetic on a variable address so that gcc
* shouldn't recognize the original var, and make assumptions about it.
@ -175,5 +156,3 @@
#else
#define __diag_GCC_8(s)
#endif
#define __no_fgcse __attribute__((optimize("-fno-gcse")))

View file

@ -24,7 +24,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
long ______r; \
static struct ftrace_likely_data \
__aligned(4) \
__section(_ftrace_annotated_branch) \
__section("_ftrace_annotated_branch") \
______f = { \
.data.func = __func__, \
.data.file = __FILE__, \
@ -60,7 +60,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define __trace_if_value(cond) ({ \
static struct ftrace_branch_data \
__aligned(4) \
__section(_ftrace_branch) \
__section("_ftrace_branch") \
__if_trace = { \
.func = __func__, \
.file = __FILE__, \
@ -80,11 +80,25 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
/* Optimization barrier */
#ifndef barrier
# define barrier() __memory_barrier()
/* The "volatile" is due to gcc bugs */
# define barrier() __asm__ __volatile__("": : :"memory")
#endif
#ifndef barrier_data
# define barrier_data(ptr) barrier()
/*
* This version is i.e. to prevent dead stores elimination on @ptr
* where gcc and llvm may behave differently when otherwise using
* normal barrier(): while gcc behavior gets along with a normal
* barrier(), llvm needs an explicit input variable to be assumed
* clobbered. The issue is as follows: while the inline asm might
* access any memory it wants, the compiler could have fit all of
* @ptr into memory registers instead, and since @ptr never escaped
* from that, it proved that the inline asm wasn't touching any of
* it. This version works well with both compilers, i.e. we're telling
* the compiler that the inline asm absolutely may see the contents
* of @ptr. See also: https://llvm.org/bugs/show_bug.cgi?id=15495
*/
# define barrier_data(ptr) __asm__ __volatile__("": :"r"(ptr) :"memory")
#endif
/* workaround for GCC PR82365 if needed */
@ -118,7 +132,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
".popsection\n\t"
/* Annotate a C jump table to allow objtool to follow the code flow */
#define __annotate_jump_table __section(.rodata..c_jump_table)
#define __annotate_jump_table __section(".rodata..c_jump_table")
#else
#define annotate_reachable()
@ -206,7 +220,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
* visible to the compiler.
*/
#define __ADDRESSABLE(sym) \
static void * __section(.discard.addressable) __used \
static void * __section(".discard.addressable") __used \
__UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)&sym;
/**

View file

@ -254,7 +254,7 @@
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-section-variable-attribute
* clang: https://clang.llvm.org/docs/AttributeReference.html#section-declspec-allocate
*/
#define __section(S) __attribute__((__section__(#S)))
#define __section(section) __attribute__((__section__(section)))
/*
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-unused-function-attribute

View file

@ -247,10 +247,6 @@ struct ftrace_likely_data {
#define asm_inline asm
#endif
#ifndef __no_fgcse
# define __no_fgcse
#endif
/* Are two types/vars the same type (ignoring qualifiers)? */
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))

51
include/linux/cookie.h Normal file
View file

@ -0,0 +1,51 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_COOKIE_H
#define __LINUX_COOKIE_H
#include <linux/atomic.h>
#include <linux/percpu.h>
#include <asm/local.h>
struct pcpu_gen_cookie {
local_t nesting;
u64 last;
} __aligned(16);
struct gen_cookie {
struct pcpu_gen_cookie __percpu *local;
atomic64_t forward_last ____cacheline_aligned_in_smp;
atomic64_t reverse_last;
};
#define COOKIE_LOCAL_BATCH 4096
#define DEFINE_COOKIE(name) \
static DEFINE_PER_CPU(struct pcpu_gen_cookie, __##name); \
static struct gen_cookie name = { \
.local = &__##name, \
.forward_last = ATOMIC64_INIT(0), \
.reverse_last = ATOMIC64_INIT(0), \
}
static __always_inline u64 gen_cookie_next(struct gen_cookie *gc)
{
struct pcpu_gen_cookie *local = this_cpu_ptr(gc->local);
u64 val;
if (likely(local_inc_return(&local->nesting) == 1)) {
val = local->last;
if (__is_defined(CONFIG_SMP) &&
unlikely((val & (COOKIE_LOCAL_BATCH - 1)) == 0)) {
s64 next = atomic64_add_return(COOKIE_LOCAL_BATCH,
&gc->forward_last);
val = next - COOKIE_LOCAL_BATCH;
}
local->last = ++val;
} else {
val = atomic64_dec_return(&gc->reverse_last);
}
local_dec(&local->nesting);
return val;
}
#endif /* __LINUX_COOKIE_H */

View file

@ -7,6 +7,12 @@
#include <linux/fs.h>
#include <asm/siginfo.h>
struct core_vma_metadata {
unsigned long start, end;
unsigned long flags;
unsigned long dump_size;
};
/*
* These are the only things you should do on a core-file: use only these
* functions to write out all the necessary info.
@ -16,6 +22,11 @@ extern int dump_skip(struct coredump_params *cprm, size_t nr);
extern int dump_emit(struct coredump_params *cprm, const void *addr, int nr);
extern int dump_align(struct coredump_params *cprm, int align);
extern void dump_truncate(struct coredump_params *cprm);
int dump_user_range(struct coredump_params *cprm, unsigned long start,
unsigned long len);
int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count,
struct core_vma_metadata **vma_meta,
size_t *vma_data_size_ptr);
#ifdef CONFIG_COREDUMP
extern void do_coredump(const kernel_siginfo_t *siginfo);
#else

View file

@ -173,7 +173,7 @@ void cpu_startup_entry(enum cpuhp_state state);
void cpu_idle_poll_ctrl(bool enable);
/* Attach to any functions which should be considered cpuidle. */
#define __cpuidle __attribute__((__section__(".cpuidle.text")))
#define __cpuidle __section(".cpuidle.text")
bool cpu_in_idle(unsigned long pc);

View file

@ -109,6 +109,12 @@ struct cpufreq_policy {
bool fast_switch_possible;
bool fast_switch_enabled;
/*
* Set if the CPUFREQ_GOV_STRICT_TARGET flag is set for the current
* governor.
*/
bool strict_target;
/*
* Preferred average time interval between consecutive invocations of
* the driver to set the frequency for this policy. To be set by the
@ -298,7 +304,7 @@ __ATTR(_name, 0644, show_##_name, store_##_name)
struct cpufreq_driver {
char name[CPUFREQ_NAME_LEN];
u8 flags;
u16 flags;
void *driver_data;
/* needed by all drivers */
@ -422,9 +428,18 @@ struct cpufreq_driver {
*/
#define CPUFREQ_IS_COOLING_DEV BIT(7)
/*
* Set by drivers that need to update internale upper and lower boundaries along
* with the target frequency and so the core and governors should also invoke
* the diver if the target frequency does not change, but the policy min or max
* may have changed.
*/
#define CPUFREQ_NEED_UPDATE_LIMITS BIT(8)
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
bool cpufreq_driver_test_flags(u16 flags);
const char *cpufreq_get_current_driver(void);
void *cpufreq_get_driver_data(void);
@ -561,12 +576,20 @@ struct cpufreq_governor {
char *buf);
int (*store_setspeed) (struct cpufreq_policy *policy,
unsigned int freq);
/* For governors which change frequency dynamically by themselves */
bool dynamic_switching;
struct list_head governor_list;
struct module *owner;
u8 flags;
};
/* Governor flags */
/* For governors which change frequency dynamically by themselves */
#define CPUFREQ_GOV_DYNAMIC_SWITCHING BIT(0)
/* For governors wanting the target frequency to be set exactly */
#define CPUFREQ_GOV_STRICT_TARGET BIT(1)
/* Pass a target to the cpufreq driver */
unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq);

View file

@ -183,6 +183,7 @@ enum cpuhp_state {
CPUHP_AP_PERF_POWERPC_THREAD_IMC_ONLINE,
CPUHP_AP_PERF_POWERPC_TRACE_IMC_ONLINE,
CPUHP_AP_PERF_POWERPC_HV_24x7_ONLINE,
CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE,
CPUHP_AP_WATCHDOG_ONLINE,
CPUHP_AP_WORKQUEUE_ONLINE,
CPUHP_AP_RCUTREE_ONLINE,

View file

@ -271,13 +271,8 @@ struct cpuidle_governor {
void (*reflect) (struct cpuidle_device *dev, int index);
};
#ifdef CONFIG_CPU_IDLE
extern int cpuidle_register_governor(struct cpuidle_governor *gov);
extern s64 cpuidle_governor_latency_req(unsigned int cpu);
#else
static inline int cpuidle_register_governor(struct cpuidle_governor *gov)
{return 0;}
#endif
#define __CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, \
idx, \

View file

@ -346,6 +346,9 @@ struct crush_work_bucket {
struct crush_work {
struct crush_work_bucket **work; /* Per-bucket working store */
#ifdef __KERNEL__
struct list_head item;
#endif
};
#ifdef __KERNEL__

View file

@ -149,6 +149,7 @@ int dax_writeback_mapping_range(struct address_space *mapping,
struct dax_device *dax_dev, struct writeback_control *wbc);
struct page *dax_layout_busy_page(struct address_space *mapping);
struct page *dax_layout_busy_page_range(struct address_space *mapping, loff_t start, loff_t end);
dax_entry_t dax_lock_page(struct page *page);
void dax_unlock_page(struct page *page, dax_entry_t cookie);
#else
@ -179,6 +180,11 @@ static inline struct page *dax_layout_busy_page(struct address_space *mapping)
return NULL;
}
static inline struct page *dax_layout_busy_page_range(struct address_space *mapping, pgoff_t start, pgoff_t nr_pages)
{
return NULL;
}
static inline int dax_writeback_mapping_range(struct address_space *mapping,
struct dax_device *dax_dev, struct writeback_control *wbc)
{

View file

@ -144,10 +144,9 @@ void debugfs_create_u32_array(const char *name, umode_t mode,
struct dentry *parent,
struct debugfs_u32_array *array);
struct dentry *debugfs_create_devm_seqfile(struct device *dev, const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s,
void *data));
void debugfs_create_devm_seqfile(struct device *dev, const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s, void *data));
bool debugfs_initialized(void);
@ -327,13 +326,12 @@ static inline void debugfs_create_u32_array(const char *name, umode_t mode,
{
}
static inline struct dentry *debugfs_create_devm_seqfile(struct device *dev,
const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s,
void *data))
static inline void debugfs_create_devm_seqfile(struct device *dev,
const char *name,
struct dentry *parent,
int (*read_fn)(struct seq_file *s,
void *data))
{
return ERR_PTR(-ENODEV);
}
static inline ssize_t debugfs_read_file_bool(struct file *file,

View file

@ -228,12 +228,7 @@ int devfreq_resume_device(struct devfreq *devfreq);
void devfreq_suspend(void);
void devfreq_resume(void);
/**
* update_devfreq() - Reevaluate the device and configure frequency
* @devfreq: the devfreq device
*
* Note: devfreq->lock must be held
*/
/* update_devfreq() - Reevaluate the device and configure frequency */
int update_devfreq(struct devfreq *devfreq);
/* Helper functions for devfreq user device driver with OPP. */

View file

@ -203,6 +203,29 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma,
}
#endif /* CONFIG_DMA_DECLARE_COHERENT */
int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
struct page *dma_common_alloc_pages(struct device *dev, size_t size,
dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp);
void dma_common_free_pages(struct device *dev, size_t size, struct page *vaddr,
dma_addr_t dma_handle, enum dma_data_direction dir);
struct page **dma_common_find_pages(void *cpu_addr);
void *dma_common_contiguous_remap(struct page *page, size_t size, pgprot_t prot,
const void *caller);
void *dma_common_pages_remap(struct page **pages, size_t size, pgprot_t prot,
const void *caller);
void dma_common_free_remap(void *cpu_addr, size_t size);
struct page *dma_alloc_from_pool(struct device *dev, size_t size,
void **cpu_addr, gfp_t flags,
bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t));
bool dma_free_from_pool(struct device *dev, void *start, size_t size);
#ifdef CONFIG_ARCH_HAS_DMA_COHERENCE_H
#include <asm/dma-coherence.h>
#elif defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \

View file

@ -389,30 +389,6 @@ static inline void dma_sync_sgtable_for_device(struct device *dev,
#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0)
#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, 0)
extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size,
unsigned long attrs);
struct page *dma_common_alloc_pages(struct device *dev, size_t size,
dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp);
void dma_common_free_pages(struct device *dev, size_t size, struct page *vaddr,
dma_addr_t dma_handle, enum dma_data_direction dir);
struct page **dma_common_find_pages(void *cpu_addr);
void *dma_common_contiguous_remap(struct page *page, size_t size,
pgprot_t prot, const void *caller);
void *dma_common_pages_remap(struct page **pages, size_t size,
pgprot_t prot, const void *caller);
void dma_common_free_remap(void *cpu_addr, size_t size);
struct page *dma_alloc_from_pool(struct device *dev, size_t size,
void **cpu_addr, gfp_t flags,
bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t));
bool dma_free_from_pool(struct device *dev, void *start, size_t size);
int
dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr,
dma_addr_t dma_addr, size_t size, unsigned long attrs);
static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp)
{

View file

@ -47,7 +47,7 @@ struct cppi5_host_desc_t {
u32 buf_info1;
u32 org_buf_len;
u64 org_buf_ptr;
u32 epib[0];
u32 epib[];
} __packed;
#define CPPI5_DESC_MIN_ALIGN (16U)
@ -139,7 +139,7 @@ struct cppi5_desc_epib_t {
*/
struct cppi5_monolithic_desc_t {
struct cppi5_desc_hdr_t hdr;
u32 epib[0];
u32 epib[];
};
#define CPPI5_INFO2_MDESC_DATA_OFFSET_SHIFT (18U)

View file

@ -5,37 +5,49 @@
#ifndef _NET_DSA_8021Q_H
#define _NET_DSA_8021Q_H
#include <linux/refcount.h>
#include <linux/types.h>
struct dsa_switch;
struct sk_buff;
struct net_device;
struct packet_type;
struct dsa_8021q_context;
struct dsa_8021q_crosschip_link {
struct list_head list;
int port;
struct dsa_switch *other_ds;
struct dsa_8021q_context *other_ctx;
int other_port;
refcount_t refcount;
};
struct dsa_8021q_ops {
int (*vlan_add)(struct dsa_switch *ds, int port, u16 vid, u16 flags);
int (*vlan_del)(struct dsa_switch *ds, int port, u16 vid);
};
struct dsa_8021q_context {
const struct dsa_8021q_ops *ops;
struct dsa_switch *ds;
struct list_head crosschip_links;
/* EtherType of RX VID, used for filtering on master interface */
__be16 proto;
};
#define DSA_8021Q_N_SUBVLAN 8
#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q)
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
bool enabled);
int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled);
int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links);
int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
struct dsa_8021q_context *other_ctx,
int other_port);
int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links);
int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
struct dsa_8021q_context *other_ctx,
int other_port);
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci);
@ -56,24 +68,21 @@ bool vid_is_dsa_8021q(u16 vid);
#else
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
bool enabled)
int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled)
{
return 0;
}
int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links)
int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
struct dsa_8021q_context *other_ctx,
int other_port)
{
return 0;
}
int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links)
int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
struct dsa_8021q_context *other_ctx,
int other_port)
{
return 0;
}

View file

@ -84,7 +84,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \
static struct _ddebug __aligned(8) \
__section(__dyndbg) name = { \
__section("__dyndbg") name = { \
.modname = KBUILD_MODNAME, \
.function = __func__, \
.filename = __FILE__, \

View file

@ -241,6 +241,27 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \
ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
#define ETHTOOL_STAT_NOT_SET (~0ULL)
/**
* struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames
* @tx_pause_frames: transmitted pause frame count. Reported to user space
* as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES.
*
* Equivalent to `30.3.4.2 aPAUSEMACCtrlFramesTransmitted`
* from the standard.
*
* @rx_pause_frames: received pause frame count. Reported to user space
* as %ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to:
*
* Equivalent to `30.3.4.3 aPAUSEMACCtrlFramesReceived`
* from the standard.
*/
struct ethtool_pause_stats {
u64 tx_pause_frames;
u64 rx_pause_frames;
};
/**
* struct ethtool_ops - optional netdev operations
* @supported_coalesce_params: supported types of interrupt coalescing.
@ -282,6 +303,9 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
* Returns a negative error code or zero.
* @get_ringparam: Report ring sizes
* @set_ringparam: Set ring sizes. Returns a negative error code or zero.
* @get_pause_stats: Report pause frame statistics. Drivers must not zero
* statistics which they don't report. The stats structure is initialized
* to ETHTOOL_STAT_NOT_SET indicating driver does not report statistics.
* @get_pauseparam: Report pause parameters
* @set_pauseparam: Set pause parameters. Returns a negative error code
* or zero.
@ -418,6 +442,8 @@ struct ethtool_ops {
struct ethtool_ringparam *);
int (*set_ringparam)(struct net_device *,
struct ethtool_ringparam *);
void (*get_pause_stats)(struct net_device *dev,
struct ethtool_pause_stats *pause_stats);
void (*get_pauseparam)(struct net_device *,
struct ethtool_pauseparam*);
int (*set_pauseparam)(struct net_device *,
@ -479,6 +505,10 @@ struct ethtool_ops {
struct ethtool_fecparam *);
void (*get_ethtool_phy_stats)(struct net_device *,
struct ethtool_stats *, u64 *);
int (*get_phy_tunable)(struct net_device *,
const struct ethtool_tunable *, void *);
int (*set_phy_tunable)(struct net_device *,
const struct ethtool_tunable *, const void *);
};
int ethtool_check_ops(const struct ethtool_ops *ops);

View file

@ -130,7 +130,7 @@ struct kernel_symbol {
* discarded in the final link stage.
*/
#define __ksym_marker(sym) \
static int __ksym_marker_##sym[0] __section(.discard.ksym) __used
static int __ksym_marker_##sym[0] __section(".discard.ksym") __used
#define __EXPORT_SYMBOL(sym, sec, ns) \
__ksym_marker(sym); \

View file

@ -38,9 +38,6 @@
#define F2FS_MAX_QUOTAS 3
#define F2FS_ENC_UTF8_12_1 1
#define F2FS_ENC_STRICT_MODE_FL (1 << 0)
#define f2fs_has_strict_mode(sbi) \
(sbi->s_encoding_flags & F2FS_ENC_STRICT_MODE_FL)
#define F2FS_IO_SIZE(sbi) (1 << F2FS_OPTION(sbi).write_io_size_bits) /* Blocks */
#define F2FS_IO_SIZE_KB(sbi) (1 << (F2FS_OPTION(sbi).write_io_size_bits + 2)) /* KB */

View file

@ -0,0 +1,22 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_FAULT_INJECT_USERCOPY_H__
#define __LINUX_FAULT_INJECT_USERCOPY_H__
/*
* This header provides a wrapper for injecting failures to user space memory
* access functions.
*/
#include <linux/types.h>
#ifdef CONFIG_FAULT_INJECTION_USERCOPY
bool should_fail_usercopy(void);
#else
static inline bool should_fail_usercopy(void) { return false; }
#endif /* CONFIG_FAULT_INJECTION_USERCOPY */
#endif /* __LINUX_FAULT_INJECT_USERCOPY_H__ */

View file

@ -8,7 +8,7 @@
/* List of all valid flags for the open/openat flags argument: */
#define VALID_OPEN_FLAGS \
(O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \
O_APPEND | O_NDELAY | O_NONBLOCK | __O_SYNC | O_DSYNC | \
FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)

View file

@ -558,21 +558,21 @@ struct sk_filter {
DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key);
#define __BPF_PROG_RUN(prog, ctx, dfunc) ({ \
u32 ret; \
u32 __ret; \
cant_migrate(); \
if (static_branch_unlikely(&bpf_stats_enabled_key)) { \
struct bpf_prog_stats *stats; \
u64 start = sched_clock(); \
ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \
stats = this_cpu_ptr(prog->aux->stats); \
u64_stats_update_begin(&stats->syncp); \
stats->cnt++; \
stats->nsecs += sched_clock() - start; \
u64_stats_update_end(&stats->syncp); \
struct bpf_prog_stats *__stats; \
u64 __start = sched_clock(); \
__ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \
__stats = this_cpu_ptr(prog->aux->stats); \
u64_stats_update_begin(&__stats->syncp); \
__stats->cnt++; \
__stats->nsecs += sched_clock() - __start; \
u64_stats_update_end(&__stats->syncp); \
} else { \
ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \
__ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \
} \
ret; })
__ret; })
#define BPF_PROG_RUN(prog, ctx) \
__BPF_PROG_RUN(prog, ctx, bpf_dispatcher_nop_func)
@ -607,12 +607,21 @@ struct bpf_skb_data_end {
void *data_end;
};
struct bpf_nh_params {
u32 nh_family;
union {
u32 ipv4_nh;
struct in6_addr ipv6_nh;
};
};
struct bpf_redirect_info {
u32 flags;
u32 tgt_index;
void *tgt_value;
struct bpf_map *map;
u32 kern_flags;
struct bpf_nh_params nh;
};
DECLARE_PER_CPU(struct bpf_redirect_info, bpf_redirect_info);
@ -1236,13 +1245,17 @@ struct bpf_sock_addr_kern {
struct bpf_sock_ops_kern {
struct sock *sk;
u32 op;
union {
u32 args[4];
u32 reply;
u32 replylong[4];
};
u32 is_fullsock;
struct sk_buff *syn_skb;
struct sk_buff *skb;
void *skb_data_end;
u8 op;
u8 is_fullsock;
u8 remaining_opt_len;
u64 temp; /* temp and everything after is not
* initialized to 0 before calling
* the BPF program. New fields that
@ -1283,6 +1296,8 @@ int copy_bpf_fprog_from_user(struct sock_fprog *dst, sockptr_t src, int len);
struct bpf_sk_lookup_kern {
u16 family;
u16 protocol;
__be16 sport;
u16 dport;
struct {
__be32 saddr;
__be32 daddr;
@ -1291,8 +1306,6 @@ struct bpf_sk_lookup_kern {
const struct in6_addr *saddr;
const struct in6_addr *daddr;
} v6;
__be16 sport;
u16 dport;
struct sock *selected_sk;
bool no_reuseport;
};

View file

@ -36,7 +36,7 @@ struct builtin_fw {
#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \
static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
__used __section(.builtin_fw) = { name, blob, size }
__used __section(".builtin_fw") = { name, blob, size }
#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
int request_firmware(const struct firmware **fw, const char *name,

View file

@ -1366,6 +1366,12 @@ extern int send_sigurg(struct fown_struct *fown);
#define SB_ACTIVE (1<<30)
#define SB_NOUSER (1<<31)
/* These flags relate to encoding and casefolding */
#define SB_ENC_STRICT_MODE_FL (1 << 0)
#define sb_has_strict_encoding(sb) \
(sb->s_encoding_flags & SB_ENC_STRICT_MODE_FL)
/*
* Umount options
*/
@ -1435,6 +1441,10 @@ struct super_block {
#endif
#ifdef CONFIG_FS_VERITY
const struct fsverity_operations *s_vop;
#endif
#ifdef CONFIG_UNICODE
struct unicode_map *s_encoding;
__u16 s_encoding_flags;
#endif
struct hlist_bl_head s_roots; /* alternate root dentries for NFS */
struct list_head s_mounts; /* list of mounts; _not_ for fs use */
@ -1570,8 +1580,24 @@ extern struct timespec64 current_time(struct inode *inode);
* Snapshotting support.
*/
void __sb_end_write(struct super_block *sb, int level);
int __sb_start_write(struct super_block *sb, int level, bool wait);
/*
* These are internal functions, please use sb_start_{write,pagefault,intwrite}
* instead.
*/
static inline void __sb_end_write(struct super_block *sb, int level)
{
percpu_up_read(sb->s_writers.rw_sem + level-1);
}
static inline void __sb_start_write(struct super_block *sb, int level)
{
percpu_down_read(sb->s_writers.rw_sem + level - 1);
}
static inline bool __sb_start_write_trylock(struct super_block *sb, int level)
{
return percpu_down_read_trylock(sb->s_writers.rw_sem + level - 1);
}
#define __sb_writers_acquired(sb, lev) \
percpu_rwsem_acquire(&(sb)->s_writers.rw_sem[(lev)-1], 1, _THIS_IP_)
@ -1635,12 +1661,12 @@ static inline void sb_end_intwrite(struct super_block *sb)
*/
static inline void sb_start_write(struct super_block *sb)
{
__sb_start_write(sb, SB_FREEZE_WRITE, true);
__sb_start_write(sb, SB_FREEZE_WRITE);
}
static inline int sb_start_write_trylock(struct super_block *sb)
static inline bool sb_start_write_trylock(struct super_block *sb)
{
return __sb_start_write(sb, SB_FREEZE_WRITE, false);
return __sb_start_write_trylock(sb, SB_FREEZE_WRITE);
}
/**
@ -1664,7 +1690,7 @@ static inline int sb_start_write_trylock(struct super_block *sb)
*/
static inline void sb_start_pagefault(struct super_block *sb)
{
__sb_start_write(sb, SB_FREEZE_PAGEFAULT, true);
__sb_start_write(sb, SB_FREEZE_PAGEFAULT);
}
/*
@ -1682,12 +1708,12 @@ static inline void sb_start_pagefault(struct super_block *sb)
*/
static inline void sb_start_intwrite(struct super_block *sb)
{
__sb_start_write(sb, SB_FREEZE_FS, true);
__sb_start_write(sb, SB_FREEZE_FS);
}
static inline int sb_start_intwrite_trylock(struct super_block *sb)
static inline bool sb_start_intwrite_trylock(struct super_block *sb)
{
return __sb_start_write(sb, SB_FREEZE_FS, false);
return __sb_start_write_trylock(sb, SB_FREEZE_FS);
}
@ -1884,8 +1910,6 @@ static inline int call_mmap(struct file *file, struct vm_area_struct *vma)
extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
unsigned long, loff_t *, rwf_t);
extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *,
loff_t, size_t, unsigned int);
extern ssize_t generic_copy_file_range(struct file *file_in, loff_t pos_in,
@ -2209,6 +2233,7 @@ struct file_system_type {
#define FS_HAS_SUBTYPE 4
#define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */
#define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */
#define FS_THP_SUPPORT 8192 /* Remove once all fs converted */
#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */
int (*init_fs_context)(struct fs_context *);
const struct fs_parameter_spec *parameters;
@ -2696,33 +2721,6 @@ static inline errseq_t file_sample_sb_err(struct file *file)
return errseq_sample(&file->f_path.dentry->d_sb->s_wb_err);
}
static inline int filemap_nr_thps(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
return atomic_read(&mapping->nr_thps);
#else
return 0;
#endif
}
static inline void filemap_nr_thps_inc(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
atomic_inc(&mapping->nr_thps);
#else
WARN_ON_ONCE(1);
#endif
}
static inline void filemap_nr_thps_dec(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
atomic_dec(&mapping->nr_thps);
#else
WARN_ON_ONCE(1);
#endif
}
extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
int datasync);
extern int vfs_fsync(struct file *file, int datasync);
@ -2774,14 +2772,14 @@ static inline void file_start_write(struct file *file)
{
if (!S_ISREG(file_inode(file)->i_mode))
return;
__sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true);
sb_start_write(file_inode(file)->i_sb);
}
static inline bool file_start_write_trylock(struct file *file)
{
if (!S_ISREG(file_inode(file)->i_mode))
return true;
return __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, false);
return sb_start_write_trylock(file_inode(file)->i_sb);
}
static inline void file_end_write(struct file *file)
@ -2964,13 +2962,9 @@ extern int sb_min_blocksize(struct super_block *, int);
extern int generic_file_mmap(struct file *, struct vm_area_struct *);
extern int generic_file_readonly_mmap(struct file *, struct vm_area_struct *);
extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *);
extern int generic_remap_checks(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
loff_t *count, unsigned int remap_flags);
extern int generic_write_check_limits(struct file *file, loff_t pos,
loff_t *count);
extern int generic_file_rw_checks(struct file *file_in, struct file *file_out);
extern int generic_copy_file_checks(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
size_t *count, unsigned int flags);
extern ssize_t generic_file_buffered_read(struct kiocb *iocb,
struct iov_iter *to, ssize_t already_read);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
@ -3118,30 +3112,18 @@ extern const struct inode_operations simple_symlink_inode_operations;
extern int iterate_dir(struct file *, struct dir_context *);
extern int vfs_statx(int, const char __user *, int, struct kstat *, u32);
extern int vfs_statx_fd(unsigned int, struct kstat *, u32, unsigned int);
int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat,
int flags);
int vfs_fstat(int fd, struct kstat *stat);
static inline int vfs_stat(const char __user *filename, struct kstat *stat)
{
return vfs_statx(AT_FDCWD, filename, AT_NO_AUTOMOUNT,
stat, STATX_BASIC_STATS);
return vfs_fstatat(AT_FDCWD, filename, stat, 0);
}
static inline int vfs_lstat(const char __user *name, struct kstat *stat)
{
return vfs_statx(AT_FDCWD, name, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT,
stat, STATX_BASIC_STATS);
return vfs_fstatat(AT_FDCWD, name, stat, AT_SYMLINK_NOFOLLOW);
}
static inline int vfs_fstatat(int dfd, const char __user *filename,
struct kstat *stat, int flags)
{
return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,
stat, STATX_BASIC_STATS);
}
static inline int vfs_fstat(int fd, struct kstat *stat)
{
return vfs_statx_fd(fd, stat, STATX_BASIC_STATS, 0);
}
extern const char *vfs_get_link(struct dentry *, struct delayed_call *);
extern int vfs_readlink(struct dentry *, char __user *, int);
@ -3215,6 +3197,12 @@ extern int generic_file_fsync(struct file *, loff_t, loff_t, int);
extern int generic_check_addressable(unsigned, u64);
#ifdef CONFIG_UNICODE
extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
const char *str, const struct qstr *name);
#endif
#ifdef CONFIG_MIGRATION
extern int buffer_migrate_page(struct address_space *,
struct page *, struct page *,
@ -3313,7 +3301,7 @@ static inline ino_t parent_ino(struct dentry *dentry)
*/
struct simple_transaction_argresp {
ssize_t size;
char data[0];
char data[];
};
#define SIMPLE_TRANSACTION_LIMIT (PAGE_SIZE - sizeof(struct simple_transaction_argresp))

View file

@ -136,6 +136,7 @@ struct ptp_qoriq_registers {
#define DEFAULT_TMR_PRSC 2
#define DEFAULT_FIPER1_PERIOD 1000000000
#define DEFAULT_FIPER2_PERIOD 1000000000
#define DEFAULT_FIPER3_PERIOD 1000000000
struct ptp_qoriq {
void __iomem *base;
@ -147,6 +148,7 @@ struct ptp_qoriq {
struct dentry *debugfs_root;
struct device *dev;
bool extts_fifo_support;
bool fiper3_support;
int irq;
int phc_index;
u32 tclk_period; /* nanoseconds */
@ -155,6 +157,7 @@ struct ptp_qoriq {
u32 cksel;
u32 tmr_fiper1;
u32 tmr_fiper2;
u32 tmr_fiper3;
u32 (*read)(unsigned __iomem *addr);
void (*write)(unsigned __iomem *addr, u32 val);
};

View file

@ -217,11 +217,11 @@ extern struct ftrace_ops __rcu *ftrace_ops_list;
extern struct ftrace_ops ftrace_list_end;
/*
* Traverse the ftrace_global_list, invoking all entries. The reason that we
* Traverse the ftrace_ops_list, invoking all entries. The reason that we
* can use rcu_dereference_raw_check() is that elements removed from this list
* are simply leaked, so there is no need to interact with a grace-period
* mechanism. The rcu_dereference_raw_check() calls are needed to handle
* concurrent insertions into the ftrace_global_list.
* concurrent insertions into the ftrace_ops_list.
*
* Silly Alpha and silly pointer-speculation compiler optimizations!
*/
@ -432,7 +432,7 @@ bool is_ftrace_trampoline(unsigned long addr);
* DIRECT - there is a direct function to call
*
* When a new ftrace_ops is registered and wants a function to save
* pt_regs, the rec->flag REGS is set. When the function has been
* pt_regs, the rec->flags REGS is set. When the function has been
* set up to save regs, the REG_EN flag is set. Once a function
* starts saving regs it will do so until all ftrace_ops are removed
* from tracing that function.
@ -450,12 +450,9 @@ enum {
};
#define FTRACE_REF_MAX_SHIFT 23
#define FTRACE_FL_BITS 9
#define FTRACE_FL_MASKED_BITS ((1UL << FTRACE_FL_BITS) - 1)
#define FTRACE_FL_MASK (FTRACE_FL_MASKED_BITS << FTRACE_REF_MAX_SHIFT)
#define FTRACE_REF_MAX ((1UL << FTRACE_REF_MAX_SHIFT) - 1)
#define ftrace_rec_count(rec) ((rec)->flags & ~FTRACE_FL_MASK)
#define ftrace_rec_count(rec) ((rec)->flags & FTRACE_REF_MAX)
struct dyn_ftrace {
unsigned long ip; /* address of mcount call-site */

View file

@ -315,7 +315,7 @@ static inline int get_disk_ro(struct gendisk *disk)
extern void disk_block_events(struct gendisk *disk);
extern void disk_unblock_events(struct gendisk *disk);
extern void disk_flush_events(struct gendisk *disk, unsigned int mask);
void set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,
bool set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size,
bool update_bdev);
/* drivers/char/random.c */

View file

@ -103,7 +103,7 @@ struct hilse_node {
/* Methods for back-end drivers, e.g. hp_sdc_mlc */
typedef int (hil_mlc_cts) (hil_mlc *mlc);
typedef void (hil_mlc_out) (hil_mlc *mlc);
typedef int (hil_mlc_out) (hil_mlc *mlc);
typedef int (hil_mlc_in) (hil_mlc *mlc, suseconds_t timeout);
struct hil_mlc_devinfo {

View file

@ -38,6 +38,18 @@ static inline int of_i2c_setup_smbus_alert(struct i2c_adapter *adap)
return 0;
}
#endif
#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_I2C_SLAVE)
struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter);
void i2c_free_slave_host_notify_device(struct i2c_client *client);
#else
static inline struct i2c_client *i2c_new_slave_host_notify_device(struct i2c_adapter *adapter)
{
return ERR_PTR(-ENOSYS);
}
static inline void i2c_free_slave_host_notify_device(struct i2c_client *client)
{
}
#endif
#if IS_ENABLED(CONFIG_I2C_SMBUS) && IS_ENABLED(CONFIG_DMI)
void i2c_register_spd(struct i2c_adapter *adap);

View file

@ -344,7 +344,7 @@ const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id,
static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
{
struct device * const dev = container_of(kobj, struct device, kobj);
struct device * const dev = kobj_to_dev(kobj);
return to_i2c_client(dev);
}

View file

@ -28,6 +28,6 @@ void idle_inject_get_duration(struct idle_inject_device *ii_dev,
unsigned int *idle_duration_us);
void idle_inject_set_latency(struct idle_inject_device *ii_dev,
unsigned int latency_ns);
unsigned int latency_us);
#endif /* __IDLE_INJECT_H__ */

View file

@ -263,7 +263,8 @@ void ida_destroy(struct ida *ida);
*
* Allocate an ID between 0 and %INT_MAX, inclusive.
*
* Context: Any context.
* Context: Any context. It is safe to call this function without
* locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/
@ -280,7 +281,8 @@ static inline int ida_alloc(struct ida *ida, gfp_t gfp)
*
* Allocate an ID between @min and %INT_MAX, inclusive.
*
* Context: Any context.
* Context: Any context. It is safe to call this function without
* locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/
@ -297,7 +299,8 @@ static inline int ida_alloc_min(struct ida *ida, unsigned int min, gfp_t gfp)
*
* Allocate an ID between 0 and @max, inclusive.
*
* Context: Any context.
* Context: Any context. It is safe to call this function without
* locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/
@ -311,6 +314,10 @@ static inline void ida_init(struct ida *ida)
xa_init_flags(&ida->xa, IDA_INIT_FLAGS);
}
/*
* ida_simple_get() and ida_simple_remove() are deprecated. Use
* ida_alloc() and ida_free() instead respectively.
*/
#define ida_simple_get(ida, start, end, gfp) \
ida_alloc_range(ida, start, (end) - 1, gfp)
#define ida_simple_remove(ida, id) ida_free(ida, id)

View file

@ -151,6 +151,9 @@
#define IEEE80211_ANO_NETTYPE_WILD 15
/* bits unique to S1G beacon */
#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
#define IEEE80211_CTL_EXT_POLL 0x2000
#define IEEE80211_CTL_EXT_SPR 0x3000
@ -553,6 +556,28 @@ static inline bool ieee80211_is_s1g_beacon(__le16 fc)
cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
}
/**
* ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
* IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
* @fc: frame control bytes in little-endian byteorder
*/
static inline bool ieee80211_next_tbtt_present(__le16 fc)
{
return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
}
/**
* ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
* true for S1G beacons when they're short.
* @fc: frame control bytes in little-endian byteorder
*/
static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
{
return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
}
/**
* ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
* @fc: frame control bytes in little-endian byteorder
@ -962,6 +987,25 @@ enum ieee80211_vht_opmode_bits {
IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
};
/**
* enum ieee80211_s1g_chanwidth
* These are defined in IEEE802.11-2016ah Table 10-20
* as BSS Channel Width
*
* @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
* @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
* @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
* @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
* @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
*/
enum ieee80211_s1g_chanwidth {
IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
};
#define WLAN_SA_QUERY_TR_ID_LEN 2
#define WLAN_MEMBERSHIP_LEN 8
#define WLAN_USER_POSITION_LEN 16
@ -1034,6 +1078,13 @@ struct ieee80211_ext {
u8 change_seq;
u8 variable[0];
} __packed s1g_beacon;
struct {
u8 sa[ETH_ALEN];
__le32 timestamp;
u8 change_seq;
u8 next_tbtt[3];
u8 variable[0];
} __packed s1g_short_beacon;
} u;
} __packed __aligned(2);
@ -1068,6 +1119,11 @@ struct ieee80211_mgmt {
/* followed by Supported rates */
u8 variable[0];
} __packed assoc_resp, reassoc_resp;
struct {
__le16 capab_info;
__le16 status_code;
u8 variable[0];
} __packed s1g_assoc_resp, s1g_reassoc_resp;
struct {
__le16 capab_info;
__le16 listen_interval;
@ -2294,8 +2350,11 @@ ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
}
/* HE Spatial Reuse defines */
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
#define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
#define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
#define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
/*
* ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
@ -2330,84 +2389,93 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
}
/* S1G Capabilities Information field */
#define S1G_CAPAB_B0_S1G_LONG BIT(0)
#define S1G_CAPAB_B0_SGI_1MHZ BIT(1)
#define S1G_CAPAB_B0_SGI_2MHZ BIT(2)
#define S1G_CAPAB_B0_SGI_4MHZ BIT(3)
#define S1G_CAPAB_B0_SGI_8MHZ BIT(4)
#define S1G_CAPAB_B0_SGI_16MHZ BIT(5)
#define S1G_CAPAB_B0_SUPP_CH_WIDTH_MASK (BIT(6) | BIT(7))
#define S1G_CAPAB_B0_SUPP_CH_WIDTH_SHIFT 6
#define IEEE80211_S1G_CAPABILITY_LEN 15
#define S1G_CAPAB_B1_RX_LDPC BIT(0)
#define S1G_CAPAB_B1_TX_STBC BIT(1)
#define S1G_CAPAB_B1_RX_STBC BIT(2)
#define S1G_CAPAB_B1_SU_BFER BIT(3)
#define S1G_CAPAB_B1_SU_BFEE BIT(4)
#define S1G_CAPAB_B1_BFEE_STS_MASK (BIT(5) | BIT(6) | BIT(7))
#define S1G_CAPAB_B1_BFEE_STS_SHIFT 5
#define S1G_CAP0_S1G_LONG BIT(0)
#define S1G_CAP0_SGI_1MHZ BIT(1)
#define S1G_CAP0_SGI_2MHZ BIT(2)
#define S1G_CAP0_SGI_4MHZ BIT(3)
#define S1G_CAP0_SGI_8MHZ BIT(4)
#define S1G_CAP0_SGI_16MHZ BIT(5)
#define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
#define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_MASK (BIT(0) | BIT(1) | BIT(2))
#define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_SHIFT 0
#define S1G_CAPAB_B2_MU_BFER BIT(3)
#define S1G_CAPAB_B2_MU_BFEE BIT(4)
#define S1G_CAPAB_B2_PLUS_HTC_VHT BIT(5)
#define S1G_CAPAB_B2_TRAVELING_PILOT_MASK (BIT(6) | BIT(7))
#define S1G_CAPAB_B2_TRAVELING_PILOT_SHIFT 6
#define S1G_SUPP_CH_WIDTH_2 0
#define S1G_SUPP_CH_WIDTH_4 1
#define S1G_SUPP_CH_WIDTH_8 2
#define S1G_SUPP_CH_WIDTH_16 3
#define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
cap[0])) << 1)
#define S1G_CAPAB_B3_RD_RESPONDER BIT(0)
#define S1G_CAPAB_B3_HT_DELAYED_BA BIT(1)
#define S1G_CAPAB_B3_MAX_MPDU_LEN BIT(2)
#define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_MASK (BIT(3) | BIT(4))
#define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_SHIFT 3
#define S1G_CAPAB_B3_MIN_MPDU_START_MASK (BIT(5) | BIT(6) | BIT(7))
#define S1G_CAPAB_B3_MIN_MPDU_START_SHIFT 5
#define S1G_CAP1_RX_LDPC BIT(0)
#define S1G_CAP1_TX_STBC BIT(1)
#define S1G_CAP1_RX_STBC BIT(2)
#define S1G_CAP1_SU_BFER BIT(3)
#define S1G_CAP1_SU_BFEE BIT(4)
#define S1G_CAP1_BFEE_STS GENMASK(7, 5)
#define S1G_CAPAB_B4_UPLINK_SYNC BIT(0)
#define S1G_CAPAB_B4_DYNAMIC_AID BIT(1)
#define S1G_CAPAB_B4_BAT BIT(2)
#define S1G_CAPAB_B4_TIME_ADE BIT(3)
#define S1G_CAPAB_B4_NON_TIM BIT(4)
#define S1G_CAPAB_B4_GROUP_AID BIT(5)
#define S1G_CAPAB_B4_STA_TYPE_MASK (BIT(6) | BIT(7))
#define S1G_CAPAB_B4_STA_TYPE_SHIFT 6
#define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
#define S1G_CAP2_MU_BFER BIT(3)
#define S1G_CAP2_MU_BFEE BIT(4)
#define S1G_CAP2_PLUS_HTC_VHT BIT(5)
#define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
#define S1G_CAPAB_B5_CENT_AUTH_CONTROL BIT(0)
#define S1G_CAPAB_B5_DIST_AUTH_CONTROL BIT(1)
#define S1G_CAPAB_B5_AMSDU BIT(2)
#define S1G_CAPAB_B5_AMPDU BIT(3)
#define S1G_CAPAB_B5_ASYMMETRIC_BA BIT(4)
#define S1G_CAPAB_B5_FLOW_CONTROL BIT(5)
#define S1G_CAPAB_B5_SECTORIZED_BEAM_MASK (BIT(6) | BIT(7))
#define S1G_CAPAB_B5_SECTORIZED_BEAM_SHIFT 6
#define S1G_CAP3_RD_RESPONDER BIT(0)
#define S1G_CAP3_HT_DELAYED_BA BIT(1)
#define S1G_CAP3_MAX_MPDU_LEN BIT(2)
#define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
#define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
#define S1G_CAPAB_B6_OBSS_MITIGATION BIT(0)
#define S1G_CAPAB_B6_FRAGMENT_BA BIT(1)
#define S1G_CAPAB_B6_NDP_PS_POLL BIT(2)
#define S1G_CAPAB_B6_RAW_OPERATION BIT(3)
#define S1G_CAPAB_B6_PAGE_SLICING BIT(4)
#define S1G_CAPAB_B6_TXOP_SHARING_IMP_ACK BIT(5)
#define S1G_CAPAB_B6_VHT_LINK_ADAPT_MASK (BIT(6) | BIT(7))
#define S1G_CAPAB_B6_VHT_LINK_ADAPT_SHIFT 6
#define S1G_CAP4_UPLINK_SYNC BIT(0)
#define S1G_CAP4_DYNAMIC_AID BIT(1)
#define S1G_CAP4_BAT BIT(2)
#define S1G_CAP4_TIME_ADE BIT(3)
#define S1G_CAP4_NON_TIM BIT(4)
#define S1G_CAP4_GROUP_AID BIT(5)
#define S1G_CAP4_STA_TYPE GENMASK(7, 6)
#define S1G_CAPAB_B7_TACK_AS_PS_POLL BIT(0)
#define S1G_CAPAB_B7_DUP_1MHZ BIT(1)
#define S1G_CAPAB_B7_MCS_NEGOTIATION BIT(2)
#define S1G_CAPAB_B7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
#define S1G_CAPAB_B7_NDP_BFING_REPORT_POLL BIT(4)
#define S1G_CAPAB_B7_UNSOLICITED_DYN_AID BIT(5)
#define S1G_CAPAB_B7_SECTOR_TRAINING_OPERATION BIT(6)
#define S1G_CAPAB_B7_TEMP_PS_MODE_SWITCH BIT(7)
#define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
#define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
#define S1G_CAP5_AMSDU BIT(2)
#define S1G_CAP5_AMPDU BIT(3)
#define S1G_CAP5_ASYMMETRIC_BA BIT(4)
#define S1G_CAP5_FLOW_CONTROL BIT(5)
#define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
#define S1G_CAPAB_B8_TWT_GROUPING BIT(0)
#define S1G_CAPAB_B8_BDT BIT(1)
#define S1G_CAPAB_B8_COLOR_MASK (BIT(2) | BIT(3) | BIT(4))
#define S1G_CAPAB_B8_COLOR_SHIFT 2
#define S1G_CAPAB_B8_TWT_REQUEST BIT(5)
#define S1G_CAPAB_B8_TWT_RESPOND BIT(6)
#define S1G_CAPAB_B8_PV1_FRAME BIT(7)
#define S1G_CAP6_OBSS_MITIGATION BIT(0)
#define S1G_CAP6_FRAGMENT_BA BIT(1)
#define S1G_CAP6_NDP_PS_POLL BIT(2)
#define S1G_CAP6_RAW_OPERATION BIT(3)
#define S1G_CAP6_PAGE_SLICING BIT(4)
#define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
#define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
#define S1G_CAPAB_B9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
#define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
#define S1G_CAP7_DUP_1MHZ BIT(1)
#define S1G_CAP7_MCS_NEGOTIATION BIT(2)
#define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
#define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
#define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
#define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
#define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
#define S1G_CAP8_TWT_GROUPING BIT(0)
#define S1G_CAP8_BDT BIT(1)
#define S1G_CAP8_COLOR GENMASK(4, 2)
#define S1G_CAP8_TWT_REQUEST BIT(5)
#define S1G_CAP8_TWT_RESPOND BIT(6)
#define S1G_CAP8_PV1_FRAME BIT(7)
#define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
#define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
#define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
#define LISTEN_INT_USF GENMASK(15, 14)
#define LISTEN_INT_UI GENMASK(13, 0)
#define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
#define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
@ -2808,6 +2876,8 @@ enum ieee80211_eid {
WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
WLAN_EID_AID_REQUEST = 210,
WLAN_EID_AID_RESPONSE = 211,
WLAN_EID_S1G_BCN_COMPAT = 213,
WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
WLAN_EID_S1G_CAPABILITIES = 217,

View file

@ -19,7 +19,13 @@ struct br_ip {
#if IS_ENABLED(CONFIG_IPV6)
struct in6_addr ip6;
#endif
} u;
} src;
union {
__be32 ip4;
#if IS_ENABLED(CONFIG_IPV6)
struct in6_addr ip6;
#endif
} dst;
__be16 proto;
__u16 vid;
};

View file

@ -27,9 +27,18 @@ struct tun_xdp_hdr {
#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
struct socket *tun_get_socket(struct file *);
struct ptr_ring *tun_get_tx_ring(struct file *file);
bool tun_is_xdp_frame(void *ptr);
void *tun_xdp_to_ptr(void *ptr);
void *tun_ptr_to_xdp(void *ptr);
static inline bool tun_is_xdp_frame(void *ptr)
{
return (unsigned long)ptr & TUN_XDP_FLAG;
}
static inline void *tun_xdp_to_ptr(struct xdp_frame *xdp)
{
return (void *)((unsigned long)xdp | TUN_XDP_FLAG);
}
static inline struct xdp_frame *tun_ptr_to_xdp(void *ptr)
{
return (void *)((unsigned long)ptr & ~TUN_XDP_FLAG);
}
void tun_ptr_free(void *ptr);
#else
#include <linux/err.h>
@ -48,11 +57,11 @@ static inline bool tun_is_xdp_frame(void *ptr)
{
return false;
}
static inline void *tun_xdp_to_ptr(void *ptr)
static inline void *tun_xdp_to_ptr(struct xdp_frame *xdp)
{
return NULL;
}
static inline void *tun_ptr_to_xdp(void *ptr)
static inline struct xdp_frame *tun_ptr_to_xdp(void *ptr)
{
return NULL;
}

View file

@ -75,6 +75,8 @@ static inline size_t inet_diag_msg_attrs_size(void)
#ifdef CONFIG_SOCK_CGROUP_DATA
+ nla_total_size_64bit(sizeof(u64)) /* INET_DIAG_CGROUP_ID */
#endif
+ nla_total_size(sizeof(struct inet_diag_sockopt))
/* INET_DIAG_SOCKOPT */
;
}
int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,

View file

@ -47,11 +47,11 @@
/* These are for everybody (although not all archs will actually
discard it in modules) */
#define __init __section(.init.text) __cold __latent_entropy __noinitretpoline
#define __initdata __section(.init.data)
#define __initconst __section(.init.rodata)
#define __exitdata __section(.exit.data)
#define __exit_call __used __section(.exitcall.exit)
#define __init __section(".init.text") __cold __latent_entropy __noinitretpoline
#define __initdata __section(".init.data")
#define __initconst __section(".init.rodata")
#define __exitdata __section(".exit.data")
#define __exit_call __used __section(".exitcall.exit")
/*
* modpost check for section mismatches during the kernel build.
@ -70,9 +70,9 @@
*
* The markers follow same syntax rules as __init / __initdata.
*/
#define __ref __section(.ref.text) noinline
#define __refdata __section(.ref.data)
#define __refconst __section(.ref.rodata)
#define __ref __section(".ref.text") noinline
#define __refdata __section(".ref.data")
#define __refconst __section(".ref.rodata")
#ifdef MODULE
#define __exitused
@ -80,16 +80,16 @@
#define __exitused __used
#endif
#define __exit __section(.exit.text) __exitused __cold notrace
#define __exit __section(".exit.text") __exitused __cold notrace
/* Used for MEMORY_HOTPLUG */
#define __meminit __section(.meminit.text) __cold notrace \
#define __meminit __section(".meminit.text") __cold notrace \
__latent_entropy
#define __meminitdata __section(.meminit.data)
#define __meminitconst __section(.meminit.rodata)
#define __memexit __section(.memexit.text) __exitused __cold notrace
#define __memexitdata __section(.memexit.data)
#define __memexitconst __section(.memexit.rodata)
#define __meminitdata __section(".meminit.data")
#define __meminitconst __section(".meminit.rodata")
#define __memexit __section(".memexit.text") __exitused __cold notrace
#define __memexitdata __section(".memexit.data")
#define __memexitconst __section(".memexit.rodata")
/* For assembly routines */
#define __HEAD .section ".head.text","ax"
@ -254,7 +254,7 @@ struct obs_kernel_param {
static const char __setup_str_##unique_id[] __initconst \
__aligned(1) = str; \
static struct obs_kernel_param __setup_##unique_id \
__used __section(.init.setup) \
__used __section(".init.setup") \
__attribute__((aligned((sizeof(long))))) \
= { __setup_str_##unique_id, fn, early }
@ -298,7 +298,7 @@ void __init parse_early_options(char *cmdline);
#endif
/* Data marked not to be saved by software suspend */
#define __nosavedata __section(.data..nosave)
#define __nosavedata __section(".data..nosave")
#ifdef MODULE
#define __exit_p(x) x

View file

@ -40,12 +40,12 @@ extern struct cred init_cred;
/* Attach to the init_task data structure for proper alignment */
#ifdef CONFIG_ARCH_TASK_STRUCT_ON_STACK
#define __init_task_data __attribute__((__section__(".data..init_task")))
#define __init_task_data __section(".data..init_task")
#else
#define __init_task_data /**/
#endif
/* Attach to the thread_info data structure for proper alignment */
#define __init_thread_info __attribute__((__section__(".data..init_thread_info")))
#define __init_thread_info __section(".data..init_thread_info")
#endif

View file

@ -20,6 +20,7 @@
* private definitions.
* @code: Device-specific data identifying the button/switch
* @keycode: KEY_* code assigned to a key/button
* @sw: struct with code/value used by KE_SW and KE_VSW
* @sw.code: SW_* code assigned to a switch
* @sw.value: Value that should be sent in an input even when KE_SW
* switch is toggled. KE_VSW switches ignore this field and

View file

@ -798,7 +798,6 @@ extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
extern int dmar_disabled;
extern int intel_iommu_enabled;
extern int intel_iommu_tboot_noforce;
extern int intel_iommu_gfx_mapped;
#else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu)

View file

@ -79,8 +79,10 @@ struct rapl_power_limit {
struct rapl_package;
#define RAPL_DOMAIN_NAME_LENGTH 16
struct rapl_domain {
const char *name;
char name[RAPL_DOMAIN_NAME_LENGTH];
enum rapl_domain_type id;
u64 regs[RAPL_DOMAIN_REG_MAX];
struct powercap_zone power_zone;
@ -152,7 +154,4 @@ struct rapl_package *rapl_find_package_domain(int cpu, struct rapl_if_priv *priv
struct rapl_package *rapl_add_package(int cpu, struct rapl_if_priv *priv);
void rapl_remove_package(struct rapl_package *rp);
int rapl_add_platform_domain(struct rapl_if_priv *priv);
void rapl_remove_platform_domain(struct rapl_if_priv *priv);
#endif /* __INTEL_RAPL_H__ */

View file

@ -792,9 +792,9 @@ extern int arch_early_irq_init(void);
* We want to know which function is an entrypoint of a hardirq or a softirq.
*/
#ifndef __irq_entry
# define __irq_entry __attribute__((__section__(".irqentry.text")))
# define __irq_entry __section(".irqentry.text")
#endif
#define __softirq_entry __attribute__((__section__(".softirqentry.text")))
#define __softirq_entry __section(".softirqentry.text")
#endif

View file

@ -4,18 +4,34 @@
#include <linux/sched.h>
#include <linux/xarray.h>
#include <linux/percpu-refcount.h>
struct io_identity {
struct files_struct *files;
struct mm_struct *mm;
#ifdef CONFIG_BLK_CGROUP
struct cgroup_subsys_state *blkcg_css;
#endif
const struct cred *creds;
struct nsproxy *nsproxy;
struct fs_struct *fs;
unsigned long fsize;
#ifdef CONFIG_AUDIT
kuid_t loginuid;
unsigned int sessionid;
#endif
refcount_t count;
};
struct io_uring_task {
/* submission side */
struct xarray xa;
struct wait_queue_head wait;
struct file *last;
atomic_long_t req_issue;
/* completion side */
bool in_idle ____cacheline_aligned_in_smp;
atomic_long_t req_complete;
struct percpu_counter inflight;
struct io_identity __identity;
struct io_identity *identity;
atomic_t in_idle;
bool sqpoll;
};
#if defined(CONFIG_IO_URING)

View file

@ -106,12 +106,6 @@ struct io_context {
unsigned short ioprio;
/*
* For request batching
*/
int nr_batch_requests; /* Number of requests left in the batch */
unsigned long last_waited; /* Time last woken after wait for request */
struct radix_tree_root icq_tree;
struct io_cq __rcu *icq_hint;
struct hlist_head icq_list;

View file

@ -221,7 +221,7 @@ struct iomap_writeback_ops {
* Optional, allows the file system to discard state on a page where
* we failed to submit any I/O.
*/
void (*discard_page)(struct page *page);
void (*discard_page)(struct page *page, loff_t fileoff);
};
struct iomap_writepage_ctx {

View file

@ -58,6 +58,10 @@ struct resource {
#define IORESOURCE_EXT_TYPE_BITS 0x01000000 /* Resource extended types */
#define IORESOURCE_SYSRAM 0x01000000 /* System RAM (modifier) */
/* IORESOURCE_SYSRAM specific bits. */
#define IORESOURCE_SYSRAM_DRIVER_MANAGED 0x02000000 /* Always detected via a driver. */
#define IORESOURCE_SYSRAM_MERGEABLE 0x04000000 /* Resource can be merged. */
#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */
#define IORESOURCE_DISABLED 0x10000000
@ -103,7 +107,6 @@ struct resource {
#define IORESOURCE_MEM_32BIT (3<<3)
#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */
#define IORESOURCE_MEM_EXPANSIONROM (1<<6)
#define IORESOURCE_MEM_DRIVER_MANAGED (1<<7)
/* PnP I/O specific bits (IORESOURCE_BITS) */
#define IORESOURCE_IO_16BIT_ADDR (1<<0)
@ -248,8 +251,10 @@ extern struct resource * __request_region(struct resource *,
extern void __release_region(struct resource *, resource_size_t,
resource_size_t);
#ifdef CONFIG_MEMORY_HOTREMOVE
extern int release_mem_region_adjustable(struct resource *, resource_size_t,
resource_size_t);
extern void release_mem_region_adjustable(resource_size_t, resource_size_t);
#endif
#ifdef CONFIG_MEMORY_HOTPLUG
extern void merge_system_ram_resource(struct resource *res);
#endif
/* Wrappers for managed devices */

View file

@ -177,17 +177,6 @@ static inline int inet6_sdif(const struct sk_buff *skb)
return 0;
}
/* can not be used in TCP layer after tcp_v6_fill_cb */
static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb)
{
#if defined(CONFIG_NET_L3_MASTER_DEV)
if (!net->ipv4.sysctl_tcp_l3mdev_accept &&
skb && ipv6_l3mdev_skb(IP6CB(skb)->flags))
return true;
#endif
return false;
}
struct tcp6_request_sock {
struct tcp_request_sock tcp6rsk_tcp;
};
@ -345,17 +334,6 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
return (struct raw6_sock *)sk;
}
static inline void inet_sk_copy_descendant(struct sock *sk_to,
const struct sock *sk_from)
{
int ancestor_size = sizeof(struct inet_sock);
if (sk_from->sk_family == PF_INET6)
ancestor_size += sizeof(struct ipv6_pinfo);
__inet_sk_copy_descendant(sk_to, sk_from, ancestor_size);
}
#define __ipv6_only_sock(sk) (sk->sk_ipv6only)
#define ipv6_only_sock(sk) (__ipv6_only_sock(sk))
#define ipv6_sk_rxinfo(sk) ((sk)->sk_family == PF_INET6 && \

View file

@ -68,6 +68,7 @@ extern void *jbd2_alloc(size_t size, gfp_t flags);
extern void jbd2_free(void *ptr, size_t size);
#define JBD2_MIN_JOURNAL_BLOCKS 1024
#define JBD2_MIN_FC_BLOCKS 256
#ifdef __KERNEL__
@ -263,7 +264,10 @@ typedef struct journal_superblock_s
/* 0x0050 */
__u8 s_checksum_type; /* checksum type */
__u8 s_padding2[3];
__u32 s_padding[42];
/* 0x0054 */
__be32 s_num_fc_blks; /* Number of fast commit blocks */
/* 0x0058 */
__u32 s_padding[41];
__be32 s_checksum; /* crc32c(superblock) */
/* 0x0100 */
@ -289,6 +293,7 @@ typedef struct journal_superblock_s
#define JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT 0x00000004
#define JBD2_FEATURE_INCOMPAT_CSUM_V2 0x00000008
#define JBD2_FEATURE_INCOMPAT_CSUM_V3 0x00000010
#define JBD2_FEATURE_INCOMPAT_FAST_COMMIT 0x00000020
/* See "journal feature predicate functions" below */
@ -299,7 +304,8 @@ typedef struct journal_superblock_s
JBD2_FEATURE_INCOMPAT_64BIT | \
JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT | \
JBD2_FEATURE_INCOMPAT_CSUM_V2 | \
JBD2_FEATURE_INCOMPAT_CSUM_V3)
JBD2_FEATURE_INCOMPAT_CSUM_V3 | \
JBD2_FEATURE_INCOMPAT_FAST_COMMIT)
#ifdef __KERNEL__
@ -395,7 +401,7 @@ static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh)
#define JI_WAIT_DATA (1 << __JI_WAIT_DATA)
/**
* struct jbd_inode - The jbd_inode type is the structure linking inodes in
* struct jbd2_inode - The jbd_inode type is the structure linking inodes in
* ordered mode present in a transaction so that we can sync them during commit.
*/
struct jbd2_inode {
@ -452,8 +458,8 @@ struct jbd2_inode {
struct jbd2_revoke_table_s;
/**
* struct handle_s - The handle_s type is the concrete type associated with
* handle_t.
* struct jbd2_journal_handle - The jbd2_journal_handle type is the concrete
* type associated with handle_t.
* @h_transaction: Which compound transaction is this update a part of?
* @h_journal: Which journal handle belongs to - used iff h_reserved set.
* @h_rsv_handle: Handle reserved for finishing the logical operation.
@ -629,7 +635,9 @@ struct transaction_s
struct journal_head *t_shadow_list;
/*
* List of inodes whose data we've modified in data=ordered mode.
* List of inodes associated with the transaction; e.g., ext4 uses
* this to track inodes in data=ordered and data=journal mode that
* need special handling on transaction commit; also used by ocfs2.
* [j_list_lock]
*/
struct list_head t_inode_list;
@ -747,6 +755,11 @@ jbd2_time_diff(unsigned long start, unsigned long end)
#define JBD2_NR_BATCH 64
enum passtype {PASS_SCAN, PASS_REVOKE, PASS_REPLAY};
#define JBD2_FC_REPLAY_STOP 0
#define JBD2_FC_REPLAY_CONTINUE 1
/**
* struct journal_s - The journal_s type is the concrete type associated with
* journal_t.
@ -857,6 +870,13 @@ struct journal_s
*/
wait_queue_head_t j_wait_reserved;
/**
* @j_fc_wait:
*
* Wait queue to wait for completion of async fast commits.
*/
wait_queue_head_t j_fc_wait;
/**
* @j_checkpoint_mutex:
*
@ -914,6 +934,31 @@ struct journal_s
*/
unsigned long j_last;
/**
* @j_fc_first:
*
* The block number of the first fast commit block in the journal
* [j_state_lock].
*/
unsigned long j_fc_first;
/**
* @j_fc_off:
*
* Number of fast commit blocks currently allocated. Accessed only
* during fast commit. Currently only process can do fast commit, so
* this field is not protected by any lock.
*/
unsigned long j_fc_off;
/**
* @j_fc_last:
*
* The block number one beyond the last fast commit block in the journal
* [j_state_lock].
*/
unsigned long j_fc_last;
/**
* @j_dev: Device where we store the journal.
*/
@ -945,9 +990,9 @@ struct journal_s
struct block_device *j_fs_dev;
/**
* @j_maxlen: Total maximum capacity of the journal region on disk.
* @j_total_len: Total maximum capacity of the journal region on disk.
*/
unsigned int j_maxlen;
unsigned int j_total_len;
/**
* @j_reserved_credits:
@ -1064,6 +1109,13 @@ struct journal_s
*/
struct buffer_head **j_wbuf;
/**
* @j_fc_wbuf: Array of fast commit bhs for fast commit. Accessed only
* during a fast commit. Currently only process can do fast commit, so
* this field is not protected by any lock.
*/
struct buffer_head **j_fc_wbuf;
/**
* @j_wbufsize:
*
@ -1071,6 +1123,13 @@ struct journal_s
*/
int j_wbufsize;
/**
* @j_fc_wbufsize:
*
* Size of @j_fc_wbuf array.
*/
int j_fc_wbufsize;
/**
* @j_last_sync_writer:
*
@ -1111,6 +1170,27 @@ struct journal_s
void (*j_commit_callback)(journal_t *,
transaction_t *);
/**
* @j_submit_inode_data_buffers:
*
* This function is called for all inodes associated with the
* committing transaction marked with JI_WRITE_DATA flag
* before we start to write out the transaction to the journal.
*/
int (*j_submit_inode_data_buffers)
(struct jbd2_inode *);
/**
* @j_finish_inode_data_buffers:
*
* This function is called for all inodes associated with the
* committing transaction marked with JI_WAIT_DATA flag
* after we have written the transaction to the journal
* but before we write out the commit block.
*/
int (*j_finish_inode_data_buffers)
(struct jbd2_inode *);
/*
* Journal statistics
*/
@ -1170,6 +1250,30 @@ struct journal_s
*/
struct lockdep_map j_trans_commit_map;
#endif
/**
* @j_fc_cleanup_callback:
*
* Clean-up after fast commit or full commit. JBD2 calls this function
* after every commit operation.
*/
void (*j_fc_cleanup_callback)(struct journal_s *journal, int);
/**
* @j_fc_replay_callback:
*
* File-system specific function that performs replay of a fast
* commit. JBD2 calls this function for each fast commit block found in
* the journal. This function should return JBD2_FC_REPLAY_CONTINUE
* to indicate that the block was processed correctly and more fast
* commit replay should continue. Return value of JBD2_FC_REPLAY_STOP
* indicates the end of replay (no more blocks remaining). A negative
* return value indicates error.
*/
int (*j_fc_replay_callback)(struct journal_s *journal,
struct buffer_head *bh,
enum passtype pass, int off,
tid_t expected_commit_id);
};
#define jbd2_might_wait_for_commit(j) \
@ -1240,6 +1344,7 @@ JBD2_FEATURE_INCOMPAT_FUNCS(64bit, 64BIT)
JBD2_FEATURE_INCOMPAT_FUNCS(async_commit, ASYNC_COMMIT)
JBD2_FEATURE_INCOMPAT_FUNCS(csum2, CSUM_V2)
JBD2_FEATURE_INCOMPAT_FUNCS(csum3, CSUM_V3)
JBD2_FEATURE_INCOMPAT_FUNCS(fast_commit, FAST_COMMIT)
/*
* Journal flag definitions
@ -1253,6 +1358,8 @@ JBD2_FEATURE_INCOMPAT_FUNCS(csum3, CSUM_V3)
#define JBD2_ABORT_ON_SYNCDATA_ERR 0x040 /* Abort the journal on file
* data write error in ordered
* mode */
#define JBD2_FAST_COMMIT_ONGOING 0x100 /* Fast commit is ongoing */
#define JBD2_FULL_COMMIT_ONGOING 0x200 /* Full commit is ongoing */
/*
* Function declarations for the journaling transaction and buffer
@ -1421,6 +1528,10 @@ extern int jbd2_journal_inode_ranged_write(handle_t *handle,
extern int jbd2_journal_inode_ranged_wait(handle_t *handle,
struct jbd2_inode *inode, loff_t start_byte,
loff_t length);
extern int jbd2_journal_submit_inode_data_buffers(
struct jbd2_inode *jinode);
extern int jbd2_journal_finish_inode_data_buffers(
struct jbd2_inode *jinode);
extern int jbd2_journal_begin_ordered_truncate(journal_t *journal,
struct jbd2_inode *inode, loff_t new_size);
extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);
@ -1505,6 +1616,21 @@ void __jbd2_log_wait_for_space(journal_t *journal);
extern void __jbd2_journal_drop_transaction(journal_t *, transaction_t *);
extern int jbd2_cleanup_journal_tail(journal_t *);
/* Fast commit related APIs */
int jbd2_fc_begin_commit(journal_t *journal, tid_t tid);
int jbd2_fc_end_commit(journal_t *journal);
int jbd2_fc_end_commit_fallback(journal_t *journal);
int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out);
int jbd2_submit_inode_data(struct jbd2_inode *jinode);
int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode);
int jbd2_fc_wait_bufs(journal_t *journal, int num_blks);
int jbd2_fc_release_bufs(journal_t *journal);
static inline int jbd2_journal_get_max_txn_bufs(journal_t *journal)
{
return (journal->j_total_len - journal->j_fc_wbufsize) / 4;
}
/*
* is_journal_abort
*

View file

@ -99,6 +99,7 @@ static inline u32 jhash(const void *key, u32 length, u32 initval)
case 2: a += (u32)k[1]<<8; fallthrough;
case 1: a += k[0];
__jhash_final(a, b, c);
break;
case 0: /* Nothing left to add */
break;
}
@ -136,6 +137,7 @@ static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
case 2: b += k[1]; fallthrough;
case 1: a += k[0];
__jhash_final(a, b, c);
break;
case 0: /* Nothing left to add */
break;
}

View file

@ -3,8 +3,9 @@
#define _LINUX_JIFFIES_H
#include <linux/cache.h>
#include <linux/limits.h>
#include <linux/math64.h>
#include <linux/kernel.h>
#include <linux/minmax.h>
#include <linux/types.h>
#include <linux/time.h>
#include <linux/timex.h>

View file

@ -11,6 +11,7 @@
#include <linux/compiler.h>
#include <linux/bitops.h>
#include <linux/log2.h>
#include <linux/minmax.h>
#include <linux/typecheck.h>
#include <linux/printk.h>
#include <linux/build_bug.h>
@ -728,7 +729,7 @@ do { \
#define do_trace_printk(fmt, args...) \
do { \
static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__section("__trace_printk_fmt") = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
__trace_printk_check_format(fmt, ##args); \
@ -772,7 +773,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...);
#define trace_puts(str) ({ \
static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__section("__trace_printk_fmt") = \
__builtin_constant_p(str) ? str : NULL; \
\
if (__builtin_constant_p(str)) \
@ -794,7 +795,7 @@ extern void trace_dump_stack(int skip);
do { \
if (__builtin_constant_p(fmt)) { \
static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__section("__trace_printk_fmt") = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
__ftrace_vbprintk(_THIS_IP_, trace_printk_fmt, vargs); \
@ -833,155 +834,6 @@ ftrace_vprintk(const char *fmt, va_list ap)
static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
#endif /* CONFIG_TRACING */
/*
* min()/max()/clamp() macros must accomplish three things:
*
* - avoid multiple evaluations of the arguments (so side-effects like
* "x++" happen only once) when non-constant.
* - perform strict type-checking (to generate warnings instead of
* nasty runtime surprises). See the "unnecessary" pointer comparison
* in __typecheck().
* - retain result as a constant expressions when called with only
* constant expressions (to avoid tripping VLA warnings in stack
* allocation usage).
*/
#define __typecheck(x, y) \
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
/*
* This returns a constant expression while determining if an argument is
* a constant expression, most importantly without evaluating the argument.
* Glory to Martin Uecker <Martin.Uecker@med.uni-goettingen.de>
*/
#define __is_constexpr(x) \
(sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
#define __no_side_effects(x, y) \
(__is_constexpr(x) && __is_constexpr(y))
#define __safe_cmp(x, y) \
(__typecheck(x, y) && __no_side_effects(x, y))
#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
#define __cmp_once(x, y, unique_x, unique_y, op) ({ \
typeof(x) unique_x = (x); \
typeof(y) unique_y = (y); \
__cmp(unique_x, unique_y, op); })
#define __careful_cmp(x, y, op) \
__builtin_choose_expr(__safe_cmp(x, y), \
__cmp(x, y, op), \
__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
/**
* min - return minimum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
#define min(x, y) __careful_cmp(x, y, <)
/**
* max - return maximum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
#define max(x, y) __careful_cmp(x, y, >)
/**
* min3 - return minimum of three values
* @x: first value
* @y: second value
* @z: third value
*/
#define min3(x, y, z) min((typeof(x))min(x, y), z)
/**
* max3 - return maximum of three values
* @x: first value
* @y: second value
* @z: third value
*/
#define max3(x, y, z) max((typeof(x))max(x, y), z)
/**
* min_not_zero - return the minimum that is _not_ zero, unless both are zero
* @x: value1
* @y: value2
*/
#define min_not_zero(x, y) ({ \
typeof(x) __x = (x); \
typeof(y) __y = (y); \
__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
/**
* clamp - return a value clamped to a given range with strict typechecking
* @val: current value
* @lo: lowest allowable value
* @hi: highest allowable value
*
* This macro does strict typechecking of @lo/@hi to make sure they are of the
* same type as @val. See the unnecessary pointer comparisons.
*/
#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
/*
* ..and if you can't take the strict
* types, you can specify one yourself.
*
* Or not use min/max/clamp at all, of course.
*/
/**
* min_t - return minimum of two values, using the specified type
* @type: data type to use
* @x: first value
* @y: second value
*/
#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
/**
* max_t - return maximum of two values, using the specified type
* @type: data type to use
* @x: first value
* @y: second value
*/
#define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
/**
* clamp_t - return a value clamped to a given range using a given type
* @type: the type of variable to use
* @val: current value
* @lo: minimum allowable value
* @hi: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of type
* @type to make all the comparisons.
*/
#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
/**
* clamp_val - return a value clamped to a given range using val's type
* @val: current value
* @lo: minimum allowable value
* @hi: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of whatever
* type the input argument @val is. This is useful when @val is an unsigned
* type and @lo and @hi are literals that will otherwise be assigned a signed
* integer type.
*/
#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)
/**
* swap - swap values of @a and @b
* @a: first value
* @b: second value
*/
#define swap(a, b) \
do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
/* This counts to 12. Any more, it will return 13th argument. */
#define __COUNT_ARGS(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _n, X...) _n
#define COUNT_ARGS(X...) __COUNT_ARGS(, ##X, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)

View file

@ -16,6 +16,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <linux/atomic.h>
#include <linux/kprobes.h>
#ifdef CONFIG_HAVE_ARCH_KGDB
#include <asm/kgdb.h>
#endif
@ -335,6 +336,23 @@ extern int kgdb_nmicallin(int cpu, int trapnr, void *regs, int err_code,
atomic_t *snd_rdy);
extern void gdbstub_exit(int status);
/*
* kgdb and kprobes both use the same (kprobe) blocklist (which makes sense
* given they are both typically hooked up to the same trap meaning on most
* architectures one cannot be used to debug the other)
*
* However on architectures where kprobes is not (yet) implemented we permit
* breakpoints everywhere rather than blocking everything by default.
*/
static inline bool kgdb_within_blocklist(unsigned long addr)
{
#ifdef CONFIG_KGDB_HONOUR_BLOCKLIST
return within_kprobe_blacklist(addr);
#else
return false;
#endif
}
extern int kgdb_single_step;
extern atomic_t kgdb_active;
#define in_dbg_master() \

View file

@ -346,6 +346,7 @@ struct kvm_memory_slot {
unsigned long userspace_addr;
u32 flags;
short id;
u16 as_id;
};
static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
@ -797,6 +798,7 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
bool kvm_vcpu_is_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_host_page_size(struct kvm_vcpu *vcpu, gfn_t gfn);
void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu);

View file

@ -36,8 +36,8 @@
__stringify(name))
#endif
#define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE)
#define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE)
#define __page_aligned_data __section(".data..page_aligned") __aligned(PAGE_SIZE)
#define __page_aligned_bss __section(".bss..page_aligned") __aligned(PAGE_SIZE)
/*
* For assembly routines.

View file

@ -609,6 +609,15 @@ static inline void list_splice_tail_init(struct list_head *list,
pos != (head); \
pos = n, n = pos->prev)
/**
* list_entry_is_head - test if the entry points to the head of the list
* @pos: the type * to cursor
* @head: the head for your list.
* @member: the name of the list_head within the struct.
*/
#define list_entry_is_head(pos, head, member) \
(&pos->member == (head))
/**
* list_for_each_entry - iterate over list of given type
* @pos: the type * to use as a loop cursor.
@ -617,7 +626,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry(pos, head, member) \
for (pos = list_first_entry(head, typeof(*pos), member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))
/**
@ -628,7 +637,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_reverse(pos, head, member) \
for (pos = list_last_entry(head, typeof(*pos), member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))
/**
@ -653,7 +662,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_continue(pos, head, member) \
for (pos = list_next_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))
/**
@ -667,7 +676,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_continue_reverse(pos, head, member) \
for (pos = list_prev_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))
/**
@ -679,7 +688,7 @@ static inline void list_splice_tail_init(struct list_head *list,
* Iterate over list of given type, continuing from current position.
*/
#define list_for_each_entry_from(pos, head, member) \
for (; &pos->member != (head); \
for (; !list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))
/**
@ -692,7 +701,7 @@ static inline void list_splice_tail_init(struct list_head *list,
* Iterate backwards over list of given type, continuing from current position.
*/
#define list_for_each_entry_from_reverse(pos, head, member) \
for (; &pos->member != (head); \
for (; !list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))
/**
@ -705,7 +714,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe(pos, n, head, member) \
for (pos = list_first_entry(head, typeof(*pos), member), \
n = list_next_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))
/**
@ -721,7 +730,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe_continue(pos, n, head, member) \
for (pos = list_next_entry(pos, member), \
n = list_next_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))
/**
@ -736,7 +745,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_safe_from(pos, n, head, member) \
for (n = list_next_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))
/**
@ -752,7 +761,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
for (pos = list_last_entry(head, typeof(*pos), member), \
n = list_prev_entry(pos, member); \
&pos->member != (head); \
!list_entry_is_head(pos, head, member); \
pos = n, n = list_prev_entry(n, member))
/**

View file

@ -1611,12 +1611,12 @@ extern struct lsm_info __start_early_lsm_info[], __end_early_lsm_info[];
#define DEFINE_LSM(lsm) \
static struct lsm_info __lsm_##lsm \
__used __section(.lsm_info.init) \
__used __section(".lsm_info.init") \
__aligned(sizeof(unsigned long))
#define DEFINE_EARLY_LSM(lsm) \
static struct lsm_info __early_lsm_##lsm \
__used __section(.early_lsm_info.init) \
__used __section(".early_lsm_info.init") \
__aligned(sizeof(unsigned long))
#ifdef CONFIG_SECURITY_SELINUX_DISABLE

View file

@ -28,8 +28,7 @@
* bit 16-27: update value
* bit 31: 1 - update, 0 - no update
*/
#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \
CMDQ_WFE_WAIT_VALUE)
#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE)
/** cmdq event maximum */
#define CMDQ_MAX_EVENT 0x3ff
@ -60,6 +59,9 @@ enum cmdq_code {
CMDQ_CODE_JUMP = 0x10,
CMDQ_CODE_WFE = 0x20,
CMDQ_CODE_EOC = 0x40,
CMDQ_CODE_READ_S = 0x80,
CMDQ_CODE_WRITE_S = 0x90,
CMDQ_CODE_WRITE_S_MASK = 0x91,
CMDQ_CODE_LOGIC = 0xa0,
};

View file

@ -14,7 +14,7 @@
*/
struct zynqmp_ipi_message {
size_t len;
u8 data[0];
u8 data[];
};
#endif /* _LINUX_ZYNQMP_IPI_MESSAGE_H_ */

View file

@ -28,7 +28,7 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
return dividend / divisor;
}
/**
/*
* div_s64_rem - signed 64bit divide with 32bit divisor with remainder
* @dividend: signed 64bit dividend
* @divisor: signed 32bit divisor
@ -42,7 +42,7 @@ static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
return dividend / divisor;
}
/**
/*
* div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
* @dividend: unsigned 64bit dividend
* @divisor: unsigned 64bit divisor
@ -56,7 +56,7 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
return dividend / divisor;
}
/**
/*
* div64_u64 - unsigned 64bit divide with 64bit divisor
* @dividend: unsigned 64bit dividend
* @divisor: unsigned 64bit divisor
@ -68,7 +68,7 @@ static inline u64 div64_u64(u64 dividend, u64 divisor)
return dividend / divisor;
}
/**
/*
* div64_s64 - signed 64bit divide with 64bit divisor
* @dividend: signed 64bit dividend
* @divisor: signed 64bit divisor

View file

@ -306,7 +306,7 @@ static inline u32 linkmode_adv_to_mii_10gbt_adv_t(unsigned long *advertising)
/**
* mii_10gbt_stat_mod_linkmode_lpa_t
* @advertising: target the linkmode advertisement settings
* @adv: value of the C45 10GBASE-T AN STATUS register
* @lpa: value of the C45 10GBASE-T AN STATUS register
*
* A small helper function that translates C45 10GBASE-T AN STATUS register bits
* to linkmode advertisement settings. Other bits in advertising aren't changed.
@ -358,6 +358,12 @@ static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad,
return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum));
}
static inline int mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad,
u16 regnum, u16 val)
{
return mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum), val);
}
int mdiobus_register_device(struct mdio_device *mdiodev);
int mdiobus_unregister_device(struct mdio_device *mdiodev);
bool mdiobus_is_registered_device(struct mii_bus *bus, int addr);
@ -365,6 +371,7 @@ struct phy_device *mdiobus_get_phy(struct mii_bus *bus, int addr);
/**
* mdio_module_driver() - Helper macro for registering mdio drivers
* @_mdio_driver: driver to register
*
* Helper macro for MDIO drivers which do not do anything special in module
* init/exit. Each module may only use this macro once, and calling it

View file

@ -0,0 +1,16 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* MDIO I2C bridge
*
* Copyright (C) 2015 Russell King
*/
#ifndef MDIO_I2C_H
#define MDIO_I2C_H
struct device;
struct i2c_adapter;
struct mii_bus;
struct mii_bus *mdio_i2c_alloc(struct device *parent, struct i2c_adapter *i2c);
#endif

View file

@ -0,0 +1,130 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/* Applied Micro X-Gene SoC MDIO Driver
*
* Copyright (c) 2016, Applied Micro Circuits Corporation
* Author: Iyappan Subramanian <isubramanian@apm.com>
*/
#ifndef __MDIO_XGENE_H__
#define __MDIO_XGENE_H__
#define BLOCK_XG_MDIO_CSR_OFFSET 0x5000
#define BLOCK_DIAG_CSR_OFFSET 0xd000
#define XGENET_CONFIG_REG_ADDR 0x20
#define MAC_ADDR_REG_OFFSET 0x00
#define MAC_COMMAND_REG_OFFSET 0x04
#define MAC_WRITE_REG_OFFSET 0x08
#define MAC_READ_REG_OFFSET 0x0c
#define MAC_COMMAND_DONE_REG_OFFSET 0x10
#define CLKEN_OFFSET 0x08
#define SRST_OFFSET 0x00
#define MENET_CFG_MEM_RAM_SHUTDOWN_ADDR 0x70
#define MENET_BLOCK_MEM_RDY_ADDR 0x74
#define MAC_CONFIG_1_ADDR 0x00
#define MII_MGMT_COMMAND_ADDR 0x24
#define MII_MGMT_ADDRESS_ADDR 0x28
#define MII_MGMT_CONTROL_ADDR 0x2c
#define MII_MGMT_STATUS_ADDR 0x30
#define MII_MGMT_INDICATORS_ADDR 0x34
#define SOFT_RESET BIT(31)
#define MII_MGMT_CONFIG_ADDR 0x20
#define MII_MGMT_COMMAND_ADDR 0x24
#define MII_MGMT_ADDRESS_ADDR 0x28
#define MII_MGMT_CONTROL_ADDR 0x2c
#define MII_MGMT_STATUS_ADDR 0x30
#define MII_MGMT_INDICATORS_ADDR 0x34
#define MIIM_COMMAND_ADDR 0x20
#define MIIM_FIELD_ADDR 0x24
#define MIIM_CONFIGURATION_ADDR 0x28
#define MIIM_LINKFAILVECTOR_ADDR 0x2c
#define MIIM_INDICATOR_ADDR 0x30
#define MIIMRD_FIELD_ADDR 0x34
#define MDIO_CSR_OFFSET 0x5000
#define REG_ADDR_POS 0
#define REG_ADDR_LEN 5
#define PHY_ADDR_POS 8
#define PHY_ADDR_LEN 5
#define HSTMIIMWRDAT_POS 0
#define HSTMIIMWRDAT_LEN 16
#define HSTPHYADX_POS 23
#define HSTPHYADX_LEN 5
#define HSTREGADX_POS 18
#define HSTREGADX_LEN 5
#define HSTLDCMD BIT(3)
#define HSTMIIMCMD_POS 0
#define HSTMIIMCMD_LEN 3
#define BUSY_MASK BIT(0)
#define READ_CYCLE_MASK BIT(0)
enum xgene_enet_cmd {
XGENE_ENET_WR_CMD = BIT(31),
XGENE_ENET_RD_CMD = BIT(30)
};
enum {
MIIM_CMD_IDLE,
MIIM_CMD_LEGACY_WRITE,
MIIM_CMD_LEGACY_READ,
};
enum xgene_mdio_id {
XGENE_MDIO_RGMII = 1,
XGENE_MDIO_XFI
};
struct xgene_mdio_pdata {
struct clk *clk;
struct device *dev;
void __iomem *mac_csr_addr;
void __iomem *diag_csr_addr;
void __iomem *mdio_csr_addr;
struct mii_bus *mdio_bus;
int mdio_id;
spinlock_t mac_lock; /* mac lock */
};
/* Set the specified value into a bit-field defined by its starting position
* and length within a single u64.
*/
static inline u64 xgene_enet_set_field_value(int pos, int len, u64 val)
{
return (val & ((1ULL << len) - 1)) << pos;
}
#define SET_VAL(field, val) \
xgene_enet_set_field_value(field ## _POS, field ## _LEN, val)
#define SET_BIT(field) \
xgene_enet_set_field_value(field ## _POS, 1, 1)
/* Get the value from a bit-field defined by its starting position
* and length within the specified u64.
*/
static inline u64 xgene_enet_get_field_value(int pos, int len, u64 src)
{
return (src >> pos) & ((1ULL << len) - 1);
}
#define GET_VAL(field, src) \
xgene_enet_get_field_value(field ## _POS, field ## _LEN, src)
#define GET_BIT(field, src) \
xgene_enet_get_field_value(field ## _POS, 1, src)
u32 xgene_mdio_rd_mac(struct xgene_mdio_pdata *pdata, u32 rd_addr);
void xgene_mdio_wr_mac(struct xgene_mdio_pdata *pdata, u32 wr_addr, u32 data);
int xgene_mdio_rgmii_read(struct mii_bus *bus, int phy_id, int reg);
int xgene_mdio_rgmii_write(struct mii_bus *bus, int phy_id, int reg, u16 data);
struct phy_device *xgene_enet_phy_register(struct mii_bus *bus, int phy_addr);
#endif /* __MDIO_XGENE_H__ */

View file

@ -900,12 +900,19 @@ static inline void count_memcg_event_mm(struct mm_struct *mm,
static inline void memcg_memory_event(struct mem_cgroup *memcg,
enum memcg_memory_event event)
{
bool swap_event = event == MEMCG_SWAP_HIGH || event == MEMCG_SWAP_MAX ||
event == MEMCG_SWAP_FAIL;
atomic_long_inc(&memcg->memory_events_local[event]);
cgroup_file_notify(&memcg->events_local_file);
if (!swap_event)
cgroup_file_notify(&memcg->events_local_file);
do {
atomic_long_inc(&memcg->memory_events[event]);
cgroup_file_notify(&memcg->events_file);
if (swap_event)
cgroup_file_notify(&memcg->swap_events_file);
else
cgroup_file_notify(&memcg->events_file);
if (!cgroup_subsys_on_dfl(memory_cgrp_subsys))
break;
@ -1531,18 +1538,6 @@ static inline bool memcg_kmem_enabled(void)
return static_branch_likely(&memcg_kmem_enabled_key);
}
static inline bool memcg_kmem_bypass(void)
{
if (in_interrupt())
return true;
/* Allow remote memcg charging in kthread contexts. */
if ((!current->mm || (current->flags & PF_KTHREAD)) &&
!current->active_memcg)
return true;
return false;
}
static inline int memcg_kmem_charge_page(struct page *page, gfp_t gfp,
int order)
{

View file

@ -57,6 +57,19 @@ enum {
MMOP_ONLINE_MOVABLE,
};
/* Flags for add_memory() and friends to specify memory hotplug details. */
typedef int __bitwise mhp_t;
/* No special request */
#define MHP_NONE ((__force mhp_t)0)
/*
* Allow merging of the added System RAM resource with adjacent,
* mergeable resources. After a successful call to add_memory_resource()
* with this flag set, the resource pointer must no longer be used as it
* might be stale, or the resource might have changed.
*/
#define MEMHP_MERGE_RESOURCE ((__force mhp_t)BIT(0))
/*
* Extended parameters for memory hotplug:
* altmap: alternative allocator for memmap array (optional)
@ -103,8 +116,8 @@ extern int online_pages(unsigned long pfn, unsigned long nr_pages,
int online_type, int nid);
extern struct zone *test_pages_in_a_zone(unsigned long start_pfn,
unsigned long end_pfn);
extern unsigned long __offline_isolated_pages(unsigned long start_pfn,
unsigned long end_pfn);
extern void __offline_isolated_pages(unsigned long start_pfn,
unsigned long end_pfn);
typedef void (*online_page_callback_t)(struct page *page, unsigned int order);
@ -247,13 +260,6 @@ static inline void zone_span_writelock(struct zone *zone) {}
static inline void zone_span_writeunlock(struct zone *zone) {}
static inline void zone_seqlock_init(struct zone *zone) {}
static inline int mhp_notimplemented(const char *func)
{
printk(KERN_WARNING "%s() called, with CONFIG_MEMORY_HOTPLUG disabled\n", func);
dump_stack();
return -ENOSYS;
}
static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
{
}
@ -275,20 +281,6 @@ static inline bool movable_node_is_enabled(void)
}
#endif /* ! CONFIG_MEMORY_HOTPLUG */
#ifdef CONFIG_NUMA
extern int memory_add_physaddr_to_nid(u64 start);
extern int phys_to_target_node(u64 start);
#else
static inline int memory_add_physaddr_to_nid(u64 start)
{
return 0;
}
static inline int phys_to_target_node(u64 start)
{
return 0;
}
#endif
#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_DEFERRED_STRUCT_PAGE_INIT)
/*
* pgdat resizing functions
@ -344,14 +336,18 @@ static inline void __remove_memory(int nid, u64 start, u64 size) {}
extern void set_zone_contiguous(struct zone *zone);
extern void clear_zone_contiguous(struct zone *zone);
#ifdef CONFIG_MEMORY_HOTPLUG
extern void __ref free_area_init_core_hotplug(int nid);
extern int __add_memory(int nid, u64 start, u64 size);
extern int add_memory(int nid, u64 start, u64 size);
extern int add_memory_resource(int nid, struct resource *resource);
extern int __add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
extern int add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
extern int add_memory_resource(int nid, struct resource *resource,
mhp_t mhp_flags);
extern int add_memory_driver_managed(int nid, u64 start, u64 size,
const char *resource_name);
const char *resource_name,
mhp_t mhp_flags);
extern void move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,
unsigned long nr_pages, struct vmem_altmap *altmap);
unsigned long nr_pages,
struct vmem_altmap *altmap, int migratetype);
extern void remove_pfn_range_from_zone(struct zone *zone,
unsigned long start_pfn,
unsigned long nr_pages);
@ -363,8 +359,8 @@ extern void sparse_remove_section(struct mem_section *ms,
unsigned long map_offset, struct vmem_altmap *altmap);
extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map,
unsigned long pnum);
extern bool allow_online_pfn_range(int nid, unsigned long pfn, unsigned long nr_pages,
int online_type);
extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,
unsigned long nr_pages);
#endif /* CONFIG_MEMORY_HOTPLUG */
#endif /* __LINUX_MEMORY_HOTPLUG_H */

View file

@ -72,7 +72,6 @@ struct mtk_rtc_data {
};
struct mt6397_rtc {
struct device *dev;
struct rtc_device *rtc_dev;
/* Protect register access from multiple tasks */

View file

@ -1,100 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Intel MIC Platform Software Stack (MPSS)
*
* Copyright(c) 2014 Intel Corporation.
*
* Intel MIC Bus driver.
*
* This implementation is very similar to the virtio bus driver
* implementation @ include/linux/virtio.h.
*/
#ifndef _MIC_BUS_H_
#define _MIC_BUS_H_
/*
* Everything a mbus driver needs to work with any particular mbus
* implementation.
*/
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
struct mbus_device_id {
__u32 device;
__u32 vendor;
};
#define MBUS_DEV_DMA_HOST 2
#define MBUS_DEV_DMA_MIC 3
#define MBUS_DEV_ANY_ID 0xffffffff
/**
* mbus_device - representation of a device using mbus
* @mmio_va: virtual address of mmio space
* @hw_ops: the hardware ops supported by this device.
* @id: the device type identification (used to match it with a driver).
* @dev: underlying device.
* be used to communicate with.
* @index: unique position on the mbus bus
*/
struct mbus_device {
void __iomem *mmio_va;
struct mbus_hw_ops *hw_ops;
struct mbus_device_id id;
struct device dev;
int index;
};
/**
* mbus_driver - operations for a mbus I/O driver
* @driver: underlying device driver (populate name and owner).
* @id_table: the ids serviced by this driver.
* @probe: the function to call when a device is found. Returns 0 or -errno.
* @remove: the function to call when a device is removed.
*/
struct mbus_driver {
struct device_driver driver;
const struct mbus_device_id *id_table;
int (*probe)(struct mbus_device *dev);
void (*scan)(struct mbus_device *dev);
void (*remove)(struct mbus_device *dev);
};
/**
* struct mic_irq - opaque pointer used as cookie
*/
struct mic_irq;
/**
* mbus_hw_ops - Hardware operations for accessing a MIC device on the MIC bus.
*/
struct mbus_hw_ops {
struct mic_irq* (*request_threaded_irq)(struct mbus_device *mbdev,
irq_handler_t handler,
irq_handler_t thread_fn,
const char *name, void *data,
int intr_src);
void (*free_irq)(struct mbus_device *mbdev,
struct mic_irq *cookie, void *data);
void (*ack_interrupt)(struct mbus_device *mbdev, int num);
};
struct mbus_device *
mbus_register_device(struct device *pdev, int id, const struct dma_map_ops *dma_ops,
struct mbus_hw_ops *hw_ops, int index,
void __iomem *mmio_va);
void mbus_unregister_device(struct mbus_device *mbdev);
int mbus_register_driver(struct mbus_driver *drv);
void mbus_unregister_driver(struct mbus_driver *drv);
static inline struct mbus_device *dev_to_mbus(struct device *_dev)
{
return container_of(_dev, struct mbus_device, dev);
}
static inline struct mbus_driver *drv_to_mbus(struct device_driver *drv)
{
return container_of(drv, struct mbus_driver, driver);
}
#endif /* _MIC_BUS_H */

View file

@ -27,6 +27,7 @@
#define PHY_ID_KSZ8061 0x00221570
#define PHY_ID_KSZ9031 0x00221620
#define PHY_ID_KSZ9131 0x00221640
#define PHY_ID_LAN8814 0x00221660
#define PHY_ID_KSZ886X 0x00221430
#define PHY_ID_KSZ8863 0x00221435

153
include/linux/minmax.h Normal file
View file

@ -0,0 +1,153 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MINMAX_H
#define _LINUX_MINMAX_H
/*
* min()/max()/clamp() macros must accomplish three things:
*
* - avoid multiple evaluations of the arguments (so side-effects like
* "x++" happen only once) when non-constant.
* - perform strict type-checking (to generate warnings instead of
* nasty runtime surprises). See the "unnecessary" pointer comparison
* in __typecheck().
* - retain result as a constant expressions when called with only
* constant expressions (to avoid tripping VLA warnings in stack
* allocation usage).
*/
#define __typecheck(x, y) \
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
/*
* This returns a constant expression while determining if an argument is
* a constant expression, most importantly without evaluating the argument.
* Glory to Martin Uecker <Martin.Uecker@med.uni-goettingen.de>
*/
#define __is_constexpr(x) \
(sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
#define __no_side_effects(x, y) \
(__is_constexpr(x) && __is_constexpr(y))
#define __safe_cmp(x, y) \
(__typecheck(x, y) && __no_side_effects(x, y))
#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
#define __cmp_once(x, y, unique_x, unique_y, op) ({ \
typeof(x) unique_x = (x); \
typeof(y) unique_y = (y); \
__cmp(unique_x, unique_y, op); })
#define __careful_cmp(x, y, op) \
__builtin_choose_expr(__safe_cmp(x, y), \
__cmp(x, y, op), \
__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
/**
* min - return minimum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
#define min(x, y) __careful_cmp(x, y, <)
/**
* max - return maximum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
#define max(x, y) __careful_cmp(x, y, >)
/**
* min3 - return minimum of three values
* @x: first value
* @y: second value
* @z: third value
*/
#define min3(x, y, z) min((typeof(x))min(x, y), z)
/**
* max3 - return maximum of three values
* @x: first value
* @y: second value
* @z: third value
*/
#define max3(x, y, z) max((typeof(x))max(x, y), z)
/**
* min_not_zero - return the minimum that is _not_ zero, unless both are zero
* @x: value1
* @y: value2
*/
#define min_not_zero(x, y) ({ \
typeof(x) __x = (x); \
typeof(y) __y = (y); \
__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
/**
* clamp - return a value clamped to a given range with strict typechecking
* @val: current value
* @lo: lowest allowable value
* @hi: highest allowable value
*
* This macro does strict typechecking of @lo/@hi to make sure they are of the
* same type as @val. See the unnecessary pointer comparisons.
*/
#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
/*
* ..and if you can't take the strict
* types, you can specify one yourself.
*
* Or not use min/max/clamp at all, of course.
*/
/**
* min_t - return minimum of two values, using the specified type
* @type: data type to use
* @x: first value
* @y: second value
*/
#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
/**
* max_t - return maximum of two values, using the specified type
* @type: data type to use
* @x: first value
* @y: second value
*/
#define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
/**
* clamp_t - return a value clamped to a given range using a given type
* @type: the type of variable to use
* @val: current value
* @lo: minimum allowable value
* @hi: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of type
* @type to make all the comparisons.
*/
#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
/**
* clamp_val - return a value clamped to a given range using val's type
* @val: current value
* @lo: minimum allowable value
* @hi: maximum allowable value
*
* This macro does no typechecking and uses temporary variables of whatever
* type the input argument @val is. This is useful when @val is an unsigned
* type and @lo and @hi are literals that will otherwise be assigned a signed
* integer type.
*/
#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)
/**
* swap - swap values of @a and @b
* @a: first value
* @b: second value
*/
#define swap(a, b) \
do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
#endif /* _LINUX_MINMAX_H */

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