Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:
	arch/arm/mach-pxa/corgi.c
	arch/arm/mach-pxa/poodle.c
	arch/arm/mach-pxa/spitz.c
This commit is contained in:
David Woodhouse 2009-01-05 10:50:33 +01:00
commit 353816f43d
5564 changed files with 314022 additions and 148659 deletions

View file

@ -31,7 +31,7 @@ struct pciserial_board {
struct serial_private;
struct serial_private *
pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board);
pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board);
void pciserial_remove_ports(struct serial_private *priv);
void pciserial_suspend_ports(struct serial_private *priv);
void pciserial_resume_ports(struct serial_private *priv);

View file

@ -313,6 +313,7 @@ unifdef-y += ptrace.h
unifdef-y += qnx4_fs.h
unifdef-y += quota.h
unifdef-y += random.h
unifdef-y += irqnr.h
unifdef-y += reboot.h
unifdef-y += reiserfs_fs.h
unifdef-y += reiserfs_xattr.h

View file

@ -5,6 +5,7 @@
#include <linux/workqueue.h>
#include <linux/aio_abi.h>
#include <linux/uio.h>
#include <linux/rcupdate.h>
#include <asm/atomic.h>
@ -183,7 +184,7 @@ struct kioctx {
/* This needs improving */
unsigned long user_id;
struct kioctx *next;
struct hlist_node list;
wait_queue_head_t wait;
@ -199,6 +200,8 @@ struct kioctx {
struct aio_ring_info ring_info;
struct delayed_work wq;
struct rcu_head rcu_head;
};
/* prototypes */

View file

@ -231,10 +231,21 @@ static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr)
*/
struct atmif_sioc {
int number;
int length;
void __user *arg;
int number;
int length;
void __user *arg;
};
#ifdef __KERNEL__
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
struct compat_atmif_sioc {
int number;
int length;
compat_uptr_t arg;
};
#endif
#endif
typedef unsigned short atm_backend_t;
#endif

View file

@ -100,6 +100,10 @@ struct atm_dev_stats {
/* use backend to make new if */
#define ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
/* add party to p2mp call */
#ifdef CONFIG_COMPAT
/* It actually takes struct sockaddr_atmsvc, not struct atm_iobuf */
#define COMPAT_ATM_ADDPARTY _IOW('a', ATMIOC_SPECIAL+4,struct compat_atm_iobuf)
#endif
#define ATM_DROPPARTY _IOW('a', ATMIOC_SPECIAL+5,int)
/* drop party from p2mp call */
@ -224,6 +228,13 @@ struct atm_cirange {
extern struct proc_dir_entry *atm_proc_root;
#endif
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
struct compat_atm_iobuf {
int length;
compat_uptr_t buffer;
};
#endif
struct k_atm_aal_stats {
#define __HANDLE_ITEM(i) atomic_t i
@ -379,6 +390,10 @@ struct atmdev_ops { /* only send is required */
int (*open)(struct atm_vcc *vcc);
void (*close)(struct atm_vcc *vcc);
int (*ioctl)(struct atm_dev *dev,unsigned int cmd,void __user *arg);
#ifdef CONFIG_COMPAT
int (*compat_ioctl)(struct atm_dev *dev,unsigned int cmd,
void __user *arg);
#endif
int (*getsockopt)(struct atm_vcc *vcc,int level,int optname,
void __user *optval,int optlen);
int (*setsockopt)(struct atm_vcc *vcc,int level,int optname,

View file

@ -99,6 +99,8 @@
#define AUDIT_OBJ_PID 1318 /* ptrace target */
#define AUDIT_TTY 1319 /* Input on an administrative TTY */
#define AUDIT_EOE 1320 /* End of multi-record event */
#define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */
#define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */
#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
@ -245,6 +247,18 @@
#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
enum {
Audit_equal,
Audit_not_equal,
Audit_bitmask,
Audit_bittest,
Audit_lt,
Audit_gt,
Audit_le,
Audit_ge,
Audit_bad
};
/* Status symbols */
/* Mask values */
#define AUDIT_STATUS_ENABLED 0x0001
@ -371,6 +385,8 @@ struct audit_krule {
struct audit_watch *watch; /* associated watch */
struct audit_tree *tree; /* associated watched tree */
struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
struct list_head list; /* for AUDIT_LIST* purposes only */
u64 prio;
};
struct audit_field {
@ -441,67 +457,74 @@ extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
#define audit_get_loginuid(t) ((t)->loginuid)
#define audit_get_sessionid(t) ((t)->sessionid)
extern void audit_log_task_context(struct audit_buffer *ab);
extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
extern int audit_bprm(struct linux_binprm *bprm);
extern int audit_socketcall(int nargs, unsigned long *args);
extern void audit_socketcall(int nargs, unsigned long *args);
extern int audit_sockaddr(int len, void *addr);
extern int __audit_fd_pair(int fd1, int fd2);
extern void __audit_fd_pair(int fd1, int fd2);
extern int audit_set_macxattr(const char *name);
extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr);
extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
const struct cred *new,
const struct cred *old);
extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{
if (unlikely(!audit_dummy_context()))
return __audit_ipc_obj(ipcp);
return 0;
__audit_ipc_obj(ipcp);
}
static inline int audit_fd_pair(int fd1, int fd2)
static inline void audit_fd_pair(int fd1, int fd2)
{
if (unlikely(!audit_dummy_context()))
return __audit_fd_pair(fd1, fd2);
return 0;
__audit_fd_pair(fd1, fd2);
}
static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
{
if (unlikely(!audit_dummy_context()))
return __audit_ipc_set_perm(qbytes, uid, gid, mode);
return 0;
__audit_ipc_set_perm(qbytes, uid, gid, mode);
}
static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr)
{
if (unlikely(!audit_dummy_context()))
return __audit_mq_open(oflag, mode, u_attr);
return 0;
__audit_mq_open(oflag, mode, attr);
}
static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
{
if (unlikely(!audit_dummy_context()))
return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
return 0;
__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
}
static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
{
if (unlikely(!audit_dummy_context()))
return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
return 0;
__audit_mq_notify(mqdes, notification);
}
static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
{
if (unlikely(!audit_dummy_context()))
return __audit_mq_notify(mqdes, u_notification);
return 0;
__audit_mq_getsetattr(mqdes, mqstat);
}
static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
const struct cred *new,
const struct cred *old)
{
if (unlikely(!audit_dummy_context()))
return __audit_mq_getsetattr(mqdes, mqstat);
return __audit_log_bprm_fcaps(bprm, new, old);
return 0;
}
static inline void audit_log_capset(pid_t pid, const struct cred *new,
const struct cred *old)
{
if (unlikely(!audit_dummy_context()))
__audit_log_capset(pid, new, old);
}
extern int audit_n_rules;
extern int audit_signals;
#else
@ -522,18 +545,19 @@ extern int audit_signals;
#define audit_get_loginuid(t) (-1)
#define audit_get_sessionid(t) (-1)
#define audit_log_task_context(b) do { ; } while (0)
#define audit_ipc_obj(i) ({ 0; })
#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
#define audit_ipc_obj(i) ((void)0)
#define audit_ipc_set_perm(q,u,g,m) ((void)0)
#define audit_bprm(p) ({ 0; })
#define audit_socketcall(n,a) ({ 0; })
#define audit_fd_pair(n,a) ({ 0; })
#define audit_socketcall(n,a) ((void)0)
#define audit_fd_pair(n,a) ((void)0)
#define audit_sockaddr(len, addr) ({ 0; })
#define audit_set_macxattr(n) do { ; } while (0)
#define audit_mq_open(o,m,a) ({ 0; })
#define audit_mq_timedsend(d,l,p,t) ({ 0; })
#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
#define audit_mq_notify(d,n) ({ 0; })
#define audit_mq_getsetattr(d,s) ({ 0; })
#define audit_mq_open(o,m,a) ((void)0)
#define audit_mq_sendrecv(d,l,p,t) ((void)0)
#define audit_mq_notify(d,n) ((void)0)
#define audit_mq_getsetattr(d,s) ((void)0)
#define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; })
#define audit_log_capset(pid, ncr, ocr) ((void)0)
#define audit_ptrace(t) ((void)0)
#define audit_n_rules 0
#define audit_signals 0

View file

@ -35,16 +35,20 @@ struct linux_binprm{
struct mm_struct *mm;
unsigned long p; /* current top of mem */
unsigned int sh_bang:1,
misc_bang:1;
misc_bang:1,
cred_prepared:1,/* true if creds already prepared (multiple
* preps happen for interpreters) */
cap_effective:1;/* true if has elevated effective capabilities,
* false if not; except for init which inherits
* its parent's caps anyway */
#ifdef __alpha__
unsigned int taso:1;
#endif
unsigned int recursion_depth;
struct file * file;
int e_uid, e_gid;
kernel_cap_t cap_post_exec_permitted;
bool cap_effective;
void *security;
struct cred *cred; /* new credentials */
int unsafe; /* how unsafe this exec is (mask of LSM_UNSAFE_*) */
unsigned int per_clear; /* bits to clear in current->personality */
int argc, envc;
char * filename; /* Name of binary as seen by procps */
char * interp; /* Name of the binary really executed. Most
@ -101,7 +105,7 @@ extern int setup_arg_pages(struct linux_binprm * bprm,
int executable_stack);
extern int bprm_mm_init(struct linux_binprm *bprm);
extern int copy_strings_kernel(int argc,char ** argv,struct linux_binprm *bprm);
extern void compute_creds(struct linux_binprm *binprm);
extern void install_exec_creds(struct linux_binprm *bprm);
extern int do_coredump(long signr, int exit_code, struct pt_regs * regs);
extern int set_binfmt(struct linux_binfmt *new);
extern void free_bprm(struct linux_binprm *);

View file

@ -90,10 +90,11 @@ struct bio {
unsigned int bi_comp_cpu; /* completion CPU */
atomic_t bi_cnt; /* pin count */
struct bio_vec *bi_io_vec; /* the actual vec list */
bio_end_io_t *bi_end_io;
atomic_t bi_cnt; /* pin count */
void *bi_private;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
@ -101,6 +102,13 @@ struct bio {
#endif
bio_destructor_t *bi_destructor; /* destructor */
/*
* We can inline a number of vecs at the end of the bio, to avoid
* double allocations for a small number of bio_vecs. This member
* MUST obviously be kept at the very end of the bio.
*/
struct bio_vec bi_inline_vecs[0];
};
/*
@ -117,6 +125,7 @@ struct bio {
#define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */
#define BIO_NULL_MAPPED 9 /* contains invalid user pages */
#define BIO_FS_INTEGRITY 10 /* fs owns integrity data, not block layer */
#define BIO_QUIET 11 /* Make BIO Quiet */
#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag)))
/*
@ -211,6 +220,11 @@ static inline void *bio_data(struct bio *bio)
return NULL;
}
static inline int bio_has_allocated_vec(struct bio *bio)
{
return bio->bi_io_vec && bio->bi_io_vec != bio->bi_inline_vecs;
}
/*
* will die
*/
@ -332,7 +346,7 @@ struct bio_pair {
extern struct bio_pair *bio_split(struct bio *bi, int first_sectors);
extern void bio_pair_release(struct bio_pair *dbio);
extern struct bio_set *bioset_create(int, int);
extern struct bio_set *bioset_create(unsigned int, unsigned int);
extern void bioset_free(struct bio_set *);
extern struct bio *bio_alloc(gfp_t, int);
@ -377,6 +391,7 @@ extern struct bio *bio_copy_user_iov(struct request_queue *,
extern int bio_uncopy_user(struct bio *);
void zero_fill_bio(struct bio *bio);
extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *);
extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int);
extern unsigned int bvec_nr_vecs(unsigned short idx);
/*
@ -395,13 +410,17 @@ static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
*/
#define BIO_POOL_SIZE 2
#define BIOVEC_NR_POOLS 6
#define BIOVEC_MAX_IDX (BIOVEC_NR_POOLS - 1)
struct bio_set {
struct kmem_cache *bio_slab;
unsigned int front_pad;
mempool_t *bio_pool;
#if defined(CONFIG_BLK_DEV_INTEGRITY)
mempool_t *bio_integrity_pool;
#endif
mempool_t *bvec_pools[BIOVEC_NR_POOLS];
mempool_t *bvec_pool;
};
struct biovec_slab {
@ -411,6 +430,7 @@ struct biovec_slab {
};
extern struct bio_set *fs_bio_set;
extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
/*
* a small number of entries is fine, not going to be performance critical.

View file

@ -137,9 +137,12 @@ extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
(1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \
)
#define small_const_nbits(nbits) \
(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
static inline void bitmap_zero(unsigned long *dst, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = 0UL;
else {
int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
@ -150,7 +153,7 @@ static inline void bitmap_zero(unsigned long *dst, int nbits)
static inline void bitmap_fill(unsigned long *dst, int nbits)
{
size_t nlongs = BITS_TO_LONGS(nbits);
if (nlongs > 1) {
if (!small_const_nbits(nbits)) {
int len = (nlongs - 1) * sizeof(unsigned long);
memset(dst, 0xff, len);
}
@ -160,7 +163,7 @@ static inline void bitmap_fill(unsigned long *dst, int nbits)
static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src;
else {
int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
@ -171,7 +174,7 @@ static inline void bitmap_copy(unsigned long *dst, const unsigned long *src,
static inline void bitmap_and(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src1 & *src2;
else
__bitmap_and(dst, src1, src2, nbits);
@ -180,7 +183,7 @@ static inline void bitmap_and(unsigned long *dst, const unsigned long *src1,
static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src1 | *src2;
else
__bitmap_or(dst, src1, src2, nbits);
@ -189,7 +192,7 @@ static inline void bitmap_or(unsigned long *dst, const unsigned long *src1,
static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src1 ^ *src2;
else
__bitmap_xor(dst, src1, src2, nbits);
@ -198,7 +201,7 @@ static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1,
static inline void bitmap_andnot(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src1 & ~(*src2);
else
__bitmap_andnot(dst, src1, src2, nbits);
@ -207,7 +210,7 @@ static inline void bitmap_andnot(unsigned long *dst, const unsigned long *src1,
static inline void bitmap_complement(unsigned long *dst, const unsigned long *src,
int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = ~(*src) & BITMAP_LAST_WORD_MASK(nbits);
else
__bitmap_complement(dst, src, nbits);
@ -216,7 +219,7 @@ static inline void bitmap_complement(unsigned long *dst, const unsigned long *sr
static inline int bitmap_equal(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return ! ((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));
else
return __bitmap_equal(src1, src2, nbits);
@ -225,7 +228,7 @@ static inline int bitmap_equal(const unsigned long *src1,
static inline int bitmap_intersects(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return ((*src1 & *src2) & BITMAP_LAST_WORD_MASK(nbits)) != 0;
else
return __bitmap_intersects(src1, src2, nbits);
@ -234,7 +237,7 @@ static inline int bitmap_intersects(const unsigned long *src1,
static inline int bitmap_subset(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return ! ((*src1 & ~(*src2)) & BITMAP_LAST_WORD_MASK(nbits));
else
return __bitmap_subset(src1, src2, nbits);
@ -242,7 +245,7 @@ static inline int bitmap_subset(const unsigned long *src1,
static inline int bitmap_empty(const unsigned long *src, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
else
return __bitmap_empty(src, nbits);
@ -250,7 +253,7 @@ static inline int bitmap_empty(const unsigned long *src, int nbits)
static inline int bitmap_full(const unsigned long *src, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
else
return __bitmap_full(src, nbits);
@ -258,7 +261,7 @@ static inline int bitmap_full(const unsigned long *src, int nbits)
static inline int bitmap_weight(const unsigned long *src, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));
return __bitmap_weight(src, nbits);
}
@ -266,7 +269,7 @@ static inline int bitmap_weight(const unsigned long *src, int nbits)
static inline void bitmap_shift_right(unsigned long *dst,
const unsigned long *src, int n, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = *src >> n;
else
__bitmap_shift_right(dst, src, n, nbits);
@ -275,7 +278,7 @@ static inline void bitmap_shift_right(unsigned long *dst,
static inline void bitmap_shift_left(unsigned long *dst,
const unsigned long *src, int n, int nbits)
{
if (nbits <= BITS_PER_LONG)
if (small_const_nbits(nbits))
*dst = (*src << n) & BITMAP_LAST_WORD_MASK(nbits);
else
__bitmap_shift_left(dst, src, n, nbits);

View file

@ -134,9 +134,20 @@ extern unsigned long find_first_bit(const unsigned long *addr,
*/
extern unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
#ifdef CONFIG_GENERIC_FIND_LAST_BIT
/**
* find_last_bit - find the last set bit in a memory region
* @addr: The address to start the search at
* @size: The maximum size to search
*
* Returns the bit number of the first set bit, or size.
*/
extern unsigned long find_last_bit(const unsigned long *addr,
unsigned long size);
#endif /* CONFIG_GENERIC_FIND_LAST_BIT */
#ifdef CONFIG_GENERIC_FIND_NEXT_BIT
/**

View file

@ -26,7 +26,6 @@ struct scsi_ioctl_command;
struct request_queue;
struct elevator_queue;
typedef struct elevator_queue elevator_t;
struct request_pm_state;
struct blk_trace;
struct request;
@ -313,7 +312,7 @@ struct request_queue
*/
struct list_head queue_head;
struct request *last_merge;
elevator_t *elevator;
struct elevator_queue *elevator;
/*
* the queue request freelist, one for reads and one for writes
@ -449,6 +448,7 @@ struct request_queue
#define QUEUE_FLAG_FAIL_IO 12 /* fake timeout */
#define QUEUE_FLAG_STACKABLE 13 /* supports request stacking */
#define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */
#define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */
static inline int queue_is_locked(struct request_queue *q)
{
@ -522,22 +522,32 @@ enum {
* TAG_FLUSH : ordering by tag w/ pre and post flushes
* TAG_FUA : ordering by tag w/ pre flush and FUA write
*/
QUEUE_ORDERED_NONE = 0x00,
QUEUE_ORDERED_DRAIN = 0x01,
QUEUE_ORDERED_TAG = 0x02,
QUEUE_ORDERED_BY_DRAIN = 0x01,
QUEUE_ORDERED_BY_TAG = 0x02,
QUEUE_ORDERED_DO_PREFLUSH = 0x10,
QUEUE_ORDERED_DO_BAR = 0x20,
QUEUE_ORDERED_DO_POSTFLUSH = 0x40,
QUEUE_ORDERED_DO_FUA = 0x80,
QUEUE_ORDERED_PREFLUSH = 0x10,
QUEUE_ORDERED_POSTFLUSH = 0x20,
QUEUE_ORDERED_FUA = 0x40,
QUEUE_ORDERED_NONE = 0x00,
QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN |
QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN |
QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG |
QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_POSTFLUSH,
QUEUE_ORDERED_TAG_FUA = QUEUE_ORDERED_TAG |
QUEUE_ORDERED_PREFLUSH | QUEUE_ORDERED_FUA,
QUEUE_ORDERED_DRAIN = QUEUE_ORDERED_BY_DRAIN |
QUEUE_ORDERED_DO_BAR,
QUEUE_ORDERED_DRAIN_FLUSH = QUEUE_ORDERED_DRAIN |
QUEUE_ORDERED_DO_PREFLUSH |
QUEUE_ORDERED_DO_POSTFLUSH,
QUEUE_ORDERED_DRAIN_FUA = QUEUE_ORDERED_DRAIN |
QUEUE_ORDERED_DO_PREFLUSH |
QUEUE_ORDERED_DO_FUA,
QUEUE_ORDERED_TAG = QUEUE_ORDERED_BY_TAG |
QUEUE_ORDERED_DO_BAR,
QUEUE_ORDERED_TAG_FLUSH = QUEUE_ORDERED_TAG |
QUEUE_ORDERED_DO_PREFLUSH |
QUEUE_ORDERED_DO_POSTFLUSH,
QUEUE_ORDERED_TAG_FUA = QUEUE_ORDERED_TAG |
QUEUE_ORDERED_DO_PREFLUSH |
QUEUE_ORDERED_DO_FUA,
/*
* Ordered operation sequence
@ -585,7 +595,6 @@ enum {
#define blk_fua_rq(rq) ((rq)->cmd_flags & REQ_FUA)
#define blk_discard_rq(rq) ((rq)->cmd_flags & REQ_DISCARD)
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
#define blk_empty_barrier(rq) (blk_barrier_rq(rq) && blk_fs_request(rq) && !(rq)->hard_nr_sectors)
/* rq->queuelist of dequeued request must be list_empty() */
#define blk_queued_rq(rq) (!list_empty(&(rq)->queuelist))
@ -855,10 +864,10 @@ extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *);
extern int blk_do_ordered(struct request_queue *, struct request **);
extern bool blk_do_ordered(struct request_queue *, struct request **);
extern unsigned blk_ordered_cur_seq(struct request_queue *);
extern unsigned blk_ordered_req_seq(struct request *);
extern void blk_ordered_complete_seq(struct request_queue *, unsigned, int);
extern bool blk_ordered_complete_seq(struct request_queue *, unsigned, int);
extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
extern void blk_dump_rq_flags(struct request *, char *);
@ -977,7 +986,6 @@ static inline void put_dev_sector(Sector p)
struct work_struct;
int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
void kblockd_flush_work(struct work_struct *work);
#define MODULE_ALIAS_BLOCKDEV(major,minor) \
MODULE_ALIAS("block-major-" __stringify(major) "-" __stringify(minor))

View file

@ -160,7 +160,6 @@ struct blk_trace {
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *);
extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
extern int do_blk_trace_setup(struct request_queue *q,
char *name, dev_t dev, struct blk_user_trace_setup *buts);
extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
@ -186,168 +185,8 @@ extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
} while (0)
#define BLK_TN_MAX_MSG 128
/**
* blk_add_trace_rq - Add a trace for a request oriented action
* @q: queue the io is for
* @rq: the source request
* @what: the action
*
* Description:
* Records an action against a request. Will log the bio offset + size.
*
**/
static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq,
u32 what)
{
struct blk_trace *bt = q->blk_trace;
int rw = rq->cmd_flags & 0x03;
if (likely(!bt))
return;
if (blk_discard_rq(rq))
rw |= (1 << BIO_RW_DISCARD);
if (blk_pc_request(rq)) {
what |= BLK_TC_ACT(BLK_TC_PC);
__blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors, sizeof(rq->cmd), rq->cmd);
} else {
what |= BLK_TC_ACT(BLK_TC_FS);
__blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9, rw, what, rq->errors, 0, NULL);
}
}
/**
* blk_add_trace_bio - Add a trace for a bio oriented action
* @q: queue the io is for
* @bio: the source bio
* @what: the action
*
* Description:
* Records an action against a bio. Will log the bio offset + size.
*
**/
static inline void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
u32 what)
{
struct blk_trace *bt = q->blk_trace;
if (likely(!bt))
return;
__blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), 0, NULL);
}
/**
* blk_add_trace_generic - Add a trace for a generic action
* @q: queue the io is for
* @bio: the source bio
* @rw: the data direction
* @what: the action
*
* Description:
* Records a simple trace
*
**/
static inline void blk_add_trace_generic(struct request_queue *q,
struct bio *bio, int rw, u32 what)
{
struct blk_trace *bt = q->blk_trace;
if (likely(!bt))
return;
if (bio)
blk_add_trace_bio(q, bio, what);
else
__blk_add_trace(bt, 0, 0, rw, what, 0, 0, NULL);
}
/**
* blk_add_trace_pdu_int - Add a trace for a bio with an integer payload
* @q: queue the io is for
* @what: the action
* @bio: the source bio
* @pdu: the integer payload
*
* Description:
* Adds a trace with some integer payload. This might be an unplug
* option given as the action, with the depth at unplug time given
* as the payload
*
**/
static inline void blk_add_trace_pdu_int(struct request_queue *q, u32 what,
struct bio *bio, unsigned int pdu)
{
struct blk_trace *bt = q->blk_trace;
__be64 rpdu = cpu_to_be64(pdu);
if (likely(!bt))
return;
if (bio)
__blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), sizeof(rpdu), &rpdu);
else
__blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu);
}
/**
* blk_add_trace_remap - Add a trace for a remap operation
* @q: queue the io is for
* @bio: the source bio
* @dev: target device
* @from: source sector
* @to: target sector
*
* Description:
* Device mapper or raid target sometimes need to split a bio because
* it spans a stripe (or similar). Add a trace for that action.
*
**/
static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
dev_t dev, sector_t from, sector_t to)
{
struct blk_trace *bt = q->blk_trace;
struct blk_io_trace_remap r;
if (likely(!bt))
return;
r.device = cpu_to_be32(dev);
r.device_from = cpu_to_be32(bio->bi_bdev->bd_dev);
r.sector = cpu_to_be64(to);
__blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
}
/**
* blk_add_driver_data - Add binary message with driver-specific data
* @q: queue the io is for
* @rq: io request
* @data: driver-specific data
* @len: length of driver-specific data
*
* Description:
* Some drivers might want to write driver-specific data per request.
*
**/
static inline void blk_add_driver_data(struct request_queue *q,
struct request *rq,
void *data, size_t len)
{
struct blk_trace *bt = q->blk_trace;
if (likely(!bt))
return;
if (blk_pc_request(rq))
__blk_add_trace(bt, 0, rq->data_len, 0, BLK_TA_DRV_DATA,
rq->errors, len, data);
else
__blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
0, BLK_TA_DRV_DATA, rq->errors, len, data);
}
extern void blk_add_driver_data(struct request_queue *q, struct request *rq,
void *data, size_t len);
extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
char __user *arg);
extern int blk_trace_startstop(struct request_queue *q, int start);
@ -356,13 +195,8 @@ extern int blk_trace_remove(struct request_queue *q);
#else /* !CONFIG_BLK_DEV_IO_TRACE */
#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
#define blk_trace_shutdown(q) do { } while (0)
#define blk_add_trace_rq(q, rq, what) do { } while (0)
#define blk_add_trace_bio(q, rq, what) do { } while (0)
#define blk_add_trace_generic(q, rq, rw, what) do { } while (0)
#define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0)
#define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0)
#define blk_add_driver_data(q, rq, data, len) do {} while (0)
#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY)
#define blk_add_driver_data(q, rq, data, len) do {} while (0)
#define blk_trace_setup(q, name, dev, arg) (-ENOTTY)
#define blk_trace_startstop(q, start) (-ENOTTY)
#define blk_trace_remove(q) (-ENOTTY)

View file

@ -53,7 +53,10 @@ static inline void bgl_lock_init(struct blockgroup_lock *bgl)
* The accessor is a macro so we can embed a blockgroup_lock into different
* superblock types
*/
#define sb_bgl_lock(sb, block_group) \
(&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock)
static inline spinlock_t *
bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group)
{
return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock;
}
#endif

View file

@ -2,7 +2,6 @@
#define _LINUX_BH_H
extern void local_bh_disable(void);
extern void __local_bh_enable(void);
extern void _local_bh_enable(void);
extern void local_bh_enable(void);
extern void local_bh_enable_ip(unsigned long ip);

View file

@ -35,6 +35,7 @@ enum bh_state_bits {
BH_Ordered, /* ordered write */
BH_Eopnotsupp, /* operation not supported (barrier) */
BH_Unwritten, /* Buffer is allocated on disk but not written */
BH_Quiet, /* Buffer Error Prinks to be quiet */
BH_PrivateStart,/* not a state bit, but the first bit available
* for private allocation by other entities

View file

@ -53,6 +53,7 @@ typedef struct __user_cap_data_struct {
#define XATTR_NAME_CAPS XATTR_SECURITY_PREFIX XATTR_CAPS_SUFFIX
#define VFS_CAP_REVISION_MASK 0xFF000000
#define VFS_CAP_REVISION_SHIFT 24
#define VFS_CAP_FLAGS_MASK ~VFS_CAP_REVISION_MASK
#define VFS_CAP_FLAGS_EFFECTIVE 0x000001
@ -68,6 +69,9 @@ typedef struct __user_cap_data_struct {
#define VFS_CAP_U32 VFS_CAP_U32_2
#define VFS_CAP_REVISION VFS_CAP_REVISION_2
#ifdef CONFIG_SECURITY_FILE_CAPABILITIES
extern int file_caps_enabled;
#endif
struct vfs_cap_data {
__le32 magic_etc; /* Little endian */
@ -96,6 +100,13 @@ typedef struct kernel_cap_struct {
__u32 cap[_KERNEL_CAPABILITY_U32S];
} kernel_cap_t;
/* exact same as vfs_cap_data but in cpu endian and always filled completely */
struct cpu_vfs_cap_data {
__u32 magic_etc;
kernel_cap_t permitted;
kernel_cap_t inheritable;
};
#define _USER_CAP_HEADER_SIZE (sizeof(struct __user_cap_header_struct))
#define _KERNEL_CAP_T_SIZE (sizeof(kernel_cap_t))
@ -454,6 +465,13 @@ static inline int cap_isclear(const kernel_cap_t a)
return 1;
}
/*
* Check if "a" is a subset of "set".
* return 1 if ALL of the capabilities in "a" are also in "set"
* cap_issubset(0101, 1111) will return 1
* return 0 if ANY of the capabilities in "a" are not in "set"
* cap_issubset(1111, 0101) will return 0
*/
static inline int cap_issubset(const kernel_cap_t a, const kernel_cap_t set)
{
kernel_cap_t dest;
@ -501,8 +519,6 @@ extern const kernel_cap_t __cap_empty_set;
extern const kernel_cap_t __cap_full_set;
extern const kernel_cap_t __cap_init_eff_set;
kernel_cap_t cap_set_effective(const kernel_cap_t pE_new);
/**
* has_capability - Determine if a task has a superior capability available
* @t: The task in question
@ -514,9 +530,14 @@ kernel_cap_t cap_set_effective(const kernel_cap_t pE_new);
* Note that this does not set PF_SUPERPRIV on the task.
*/
#define has_capability(t, cap) (security_capable((t), (cap)) == 0)
#define has_capability_noaudit(t, cap) (security_capable_noaudit((t), (cap)) == 0)
extern int capable(int cap);
/* audit system wants to get cap info from files as well */
struct dentry;
extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
#endif /* __KERNEL__ */
#endif /* !_LINUX_CAPABILITY_H */

View file

@ -54,3 +54,9 @@ SUBSYS(freezer)
#endif
/* */
#ifdef CONFIG_NET_CLS_CGROUP
SUBSYS(net_cls)
#endif
/* */

View file

@ -82,13 +82,13 @@ struct clock_event_device {
int shift;
int rating;
int irq;
cpumask_t cpumask;
const struct cpumask *cpumask;
int (*set_next_event)(unsigned long evt,
struct clock_event_device *);
void (*set_mode)(enum clock_event_mode mode,
struct clock_event_device *);
void (*event_handler)(struct clock_event_device *);
void (*broadcast)(cpumask_t mask);
void (*broadcast)(const struct cpumask *mask);
struct list_head list;
enum clock_event_mode mode;
ktime_t next_event;

View file

@ -61,3 +61,8 @@
#define noinline __attribute__((noinline))
#define __attribute_const__ __attribute__((__const__))
#define __maybe_unused __attribute__((unused))
#define __gcc_header(x) #x
#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
#define gcc_header(x) _gcc_header(x)
#include gcc_header(__GNUC__)

View file

@ -2,8 +2,9 @@
#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
#endif
/* These definitions are for GCC v3.x. */
#include <linux/compiler-gcc.h>
#if __GNUC_MINOR__ < 2
# error Sorry, your compiler is too old - please upgrade it.
#endif
#if __GNUC_MINOR__ >= 3
# define __used __attribute__((__used__))

View file

@ -2,8 +2,10 @@
#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
#endif
/* These definitions are for GCC v4.x. */
#include <linux/compiler-gcc.h>
/* GCC 4.1.[01] miscompiles __weak */
#if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1
# error Your version of gcc miscompiles the __weak directive
#endif
#define __used __attribute__((__used__))
#define __must_check __attribute__((warn_unused_result))
@ -16,7 +18,7 @@
*/
#define uninitialized_var(x) x = x
#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 3)
#if __GNUC_MINOR__ >= 3
/* Mark functions as cold. gcc will assume any path leading to a call
to them will be unlikely. This means a lot of manual unlikely()s
are unnecessary now for any paths leading to the usual suspects

View file

@ -36,12 +36,8 @@ extern void __chk_io_ptr(const volatile void __iomem *);
#ifdef __KERNEL__
#if __GNUC__ >= 4
# include <linux/compiler-gcc4.h>
#elif __GNUC__ == 3 && __GNUC_MINOR__ >= 2
# include <linux/compiler-gcc3.h>
#else
# error Sorry, your compiler is too old/not recognized.
#ifdef __GNUC__
#include <linux/compiler-gcc.h>
#endif
#define notrace __attribute__((no_instrument_function))
@ -59,8 +55,88 @@ extern void __chk_io_ptr(const volatile void __iomem *);
* specific implementations come from the above header files
*/
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
struct ftrace_branch_data {
const char *func;
const char *file;
unsigned line;
union {
struct {
unsigned long correct;
unsigned long incorrect;
};
struct {
unsigned long miss;
unsigned long hit;
};
};
};
/*
* Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
* to disable branch tracing on a per file basis.
*/
#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING)
void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
#define likely_notrace(x) __builtin_expect(!!(x), 1)
#define unlikely_notrace(x) __builtin_expect(!!(x), 0)
#define __branch_check__(x, expect) ({ \
int ______r; \
static struct ftrace_branch_data \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_annotated_branch"))) \
______f = { \
.func = __func__, \
.file = __FILE__, \
.line = __LINE__, \
}; \
______r = likely_notrace(x); \
ftrace_likely_update(&______f, ______r, expect); \
______r; \
})
/*
* Using __builtin_constant_p(x) to ignore cases where the return
* value is always the same. This idea is taken from a similar patch
* written by Daniel Walker.
*/
# ifndef likely
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
# endif
# ifndef unlikely
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
# endif
#ifdef CONFIG_PROFILE_ALL_BRANCHES
/*
* "Define 'is'", Bill Clinton
* "Define 'if'", Steven Rostedt
*/
#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) : \
({ \
int ______r; \
static struct ftrace_branch_data \
__attribute__((__aligned__(4))) \
__attribute__((section("_ftrace_branch"))) \
______f = { \
.func = __func__, \
.file = __FILE__, \
.line = __LINE__, \
}; \
______r = !!(cond); \
if (______r) \
______f.hit++; \
else \
______f.miss++; \
______r; \
}))
#endif /* CONFIG_PROFILE_ALL_BRANCHES */
#else
# define likely(x) __builtin_expect(!!(x), 1)
# define unlikely(x) __builtin_expect(!!(x), 0)
#endif
/* Optimization barrier */
#ifndef barrier

View file

@ -153,4 +153,8 @@ void vcs_remove_sysfs(struct tty_struct *tty);
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3
#ifdef CONFIG_VGA_CONSOLE
extern bool vgacon_text_force(void);
#endif
#endif /* _LINUX_CONSOLE_H */

View file

@ -144,6 +144,7 @@
typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
extern cpumask_t _unused_cpumask_arg_;
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
#define cpu_set(cpu, dst) __cpu_set((cpu), &(dst))
static inline void __cpu_set(int cpu, volatile cpumask_t *dstp)
{
@ -267,6 +268,26 @@ static inline void __cpus_shift_left(cpumask_t *dstp,
{
bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
}
#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
/**
* to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
* @bitmap: the bitmap
*
* There are a few places where cpumask_var_t isn't appropriate and
* static cpumasks must be used (eg. very early boot), yet we don't
* expose the definition of 'struct cpumask'.
*
* This does the conversion, and can be used as a constant initializer.
*/
#define to_cpumask(bitmap) \
((struct cpumask *)(1 ? (bitmap) \
: (void *)sizeof(__check_is_bitmap(bitmap))))
static inline int __check_is_bitmap(const unsigned long *bitmap)
{
return 1;
}
/*
* Special-case data structure for "single bit set only" constant CPU masks.
@ -278,13 +299,14 @@ static inline void __cpus_shift_left(cpumask_t *dstp,
extern const unsigned long
cpu_bit_bitmap[BITS_PER_LONG+1][BITS_TO_LONGS(NR_CPUS)];
static inline const cpumask_t *get_cpu_mask(unsigned int cpu)
static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
{
const unsigned long *p = cpu_bit_bitmap[1 + cpu % BITS_PER_LONG];
p -= cpu / BITS_PER_LONG;
return (const cpumask_t *)p;
return to_cpumask(p);
}
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
/*
* In cases where we take the address of the cpumask immediately,
* gcc optimizes it out (it's a constant) and there's no huge stack
@ -339,36 +361,6 @@ extern cpumask_t cpu_mask_all;
#endif
#define CPUMASK_PTR(v, m) cpumask_t *v = &(m->v)
#define cpumask_scnprintf(buf, len, src) \
__cpumask_scnprintf((buf), (len), &(src), NR_CPUS)
static inline int __cpumask_scnprintf(char *buf, int len,
const cpumask_t *srcp, int nbits)
{
return bitmap_scnprintf(buf, len, srcp->bits, nbits);
}
#define cpumask_parse_user(ubuf, ulen, dst) \
__cpumask_parse_user((ubuf), (ulen), &(dst), NR_CPUS)
static inline int __cpumask_parse_user(const char __user *buf, int len,
cpumask_t *dstp, int nbits)
{
return bitmap_parse_user(buf, len, dstp->bits, nbits);
}
#define cpulist_scnprintf(buf, len, src) \
__cpulist_scnprintf((buf), (len), &(src), NR_CPUS)
static inline int __cpulist_scnprintf(char *buf, int len,
const cpumask_t *srcp, int nbits)
{
return bitmap_scnlistprintf(buf, len, srcp->bits, nbits);
}
#define cpulist_parse(buf, dst) __cpulist_parse((buf), &(dst), NR_CPUS)
static inline int __cpulist_parse(const char *buf, cpumask_t *dstp, int nbits)
{
return bitmap_parselist(buf, dstp->bits, nbits);
}
#define cpu_remap(oldbit, old, new) \
__cpu_remap((oldbit), &(old), &(new), NR_CPUS)
static inline int __cpu_remap(int oldbit,
@ -400,19 +392,22 @@ static inline void __cpus_fold(cpumask_t *dstp, const cpumask_t *origp,
{
bitmap_fold(dstp->bits, origp->bits, sz, nbits);
}
#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
#if NR_CPUS == 1
#define nr_cpu_ids 1
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
#define first_cpu(src) ({ (void)(src); 0; })
#define next_cpu(n, src) ({ (void)(src); 1; })
#define any_online_cpu(mask) 0
#define for_each_cpu_mask(cpu, mask) \
for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
#else /* NR_CPUS > 1 */
extern int nr_cpu_ids;
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
int __first_cpu(const cpumask_t *srcp);
int __next_cpu(int n, const cpumask_t *srcp);
int __any_online_cpu(const cpumask_t *mask);
@ -424,8 +419,10 @@ int __any_online_cpu(const cpumask_t *mask);
for ((cpu) = -1; \
(cpu) = next_cpu((cpu), (mask)), \
(cpu) < NR_CPUS; )
#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
#endif
#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
#if NR_CPUS <= 64
#define next_cpu_nr(n, src) next_cpu(n, src)
@ -443,77 +440,67 @@ int __next_cpu_nr(int n, const cpumask_t *srcp);
(cpu) < nr_cpu_ids; )
#endif /* NR_CPUS > 64 */
#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
/*
* The following particular system cpumasks and operations manage
* possible, present, active and online cpus. Each of them is a fixed size
* bitmap of size NR_CPUS.
* possible, present, active and online cpus.
*
* #ifdef CONFIG_HOTPLUG_CPU
* cpu_possible_map - has bit 'cpu' set iff cpu is populatable
* cpu_present_map - has bit 'cpu' set iff cpu is populated
* cpu_online_map - has bit 'cpu' set iff cpu available to scheduler
* cpu_active_map - has bit 'cpu' set iff cpu available to migration
* #else
* cpu_possible_map - has bit 'cpu' set iff cpu is populated
* cpu_present_map - copy of cpu_possible_map
* cpu_online_map - has bit 'cpu' set iff cpu available to scheduler
* #endif
* cpu_possible_mask- has bit 'cpu' set iff cpu is populatable
* cpu_present_mask - has bit 'cpu' set iff cpu is populated
* cpu_online_mask - has bit 'cpu' set iff cpu available to scheduler
* cpu_active_mask - has bit 'cpu' set iff cpu available to migration
*
* In either case, NR_CPUS is fixed at compile time, as the static
* size of these bitmaps. The cpu_possible_map is fixed at boot
* time, as the set of CPU id's that it is possible might ever
* be plugged in at anytime during the life of that system boot.
* The cpu_present_map is dynamic(*), representing which CPUs
* are currently plugged in. And cpu_online_map is the dynamic
* subset of cpu_present_map, indicating those CPUs available
* for scheduling.
* If !CONFIG_HOTPLUG_CPU, present == possible, and active == online.
*
* If HOTPLUG is enabled, then cpu_possible_map is forced to have
* The cpu_possible_mask is fixed at boot time, as the set of CPU id's
* that it is possible might ever be plugged in at anytime during the
* life of that system boot. The cpu_present_mask is dynamic(*),
* representing which CPUs are currently plugged in. And
* cpu_online_mask is the dynamic subset of cpu_present_mask,
* indicating those CPUs available for scheduling.
*
* If HOTPLUG is enabled, then cpu_possible_mask is forced to have
* all NR_CPUS bits set, otherwise it is just the set of CPUs that
* ACPI reports present at boot.
*
* If HOTPLUG is enabled, then cpu_present_map varies dynamically,
* If HOTPLUG is enabled, then cpu_present_mask varies dynamically,
* depending on what ACPI reports as currently plugged in, otherwise
* cpu_present_map is just a copy of cpu_possible_map.
* cpu_present_mask is just a copy of cpu_possible_mask.
*
* (*) Well, cpu_present_map is dynamic in the hotplug case. If not
* hotplug, it's a copy of cpu_possible_map, hence fixed at boot.
* (*) Well, cpu_present_mask is dynamic in the hotplug case. If not
* hotplug, it's a copy of cpu_possible_mask, hence fixed at boot.
*
* Subtleties:
* 1) UP arch's (NR_CPUS == 1, CONFIG_SMP not defined) hardcode
* assumption that their single CPU is online. The UP
* cpu_{online,possible,present}_maps are placebos. Changing them
* cpu_{online,possible,present}_masks are placebos. Changing them
* will have no useful affect on the following num_*_cpus()
* and cpu_*() macros in the UP case. This ugliness is a UP
* optimization - don't waste any instructions or memory references
* asking if you're online or how many CPUs there are if there is
* only one CPU.
* 2) Most SMP arch's #define some of these maps to be some
* other map specific to that arch. Therefore, the following
* must be #define macros, not inlines. To see why, examine
* the assembly code produced by the following. Note that
* set1() writes phys_x_map, but set2() writes x_map:
* int x_map, phys_x_map;
* #define set1(a) x_map = a
* inline void set2(int a) { x_map = a; }
* #define x_map phys_x_map
* main(){ set1(3); set2(5); }
*/
extern cpumask_t cpu_possible_map;
extern cpumask_t cpu_online_map;
extern cpumask_t cpu_present_map;
extern cpumask_t cpu_active_map;
extern const struct cpumask *const cpu_possible_mask;
extern const struct cpumask *const cpu_online_mask;
extern const struct cpumask *const cpu_present_mask;
extern const struct cpumask *const cpu_active_mask;
/* These strip const, as traditionally they weren't const. */
#define cpu_possible_map (*(cpumask_t *)cpu_possible_mask)
#define cpu_online_map (*(cpumask_t *)cpu_online_mask)
#define cpu_present_map (*(cpumask_t *)cpu_present_mask)
#define cpu_active_map (*(cpumask_t *)cpu_active_mask)
#if NR_CPUS > 1
#define num_online_cpus() cpus_weight_nr(cpu_online_map)
#define num_possible_cpus() cpus_weight_nr(cpu_possible_map)
#define num_present_cpus() cpus_weight_nr(cpu_present_map)
#define cpu_online(cpu) cpu_isset((cpu), cpu_online_map)
#define cpu_possible(cpu) cpu_isset((cpu), cpu_possible_map)
#define cpu_present(cpu) cpu_isset((cpu), cpu_present_map)
#define cpu_active(cpu) cpu_isset((cpu), cpu_active_map)
#define num_online_cpus() cpumask_weight(cpu_online_mask)
#define num_possible_cpus() cpumask_weight(cpu_possible_mask)
#define num_present_cpus() cpumask_weight(cpu_present_mask)
#define cpu_online(cpu) cpumask_test_cpu((cpu), cpu_online_mask)
#define cpu_possible(cpu) cpumask_test_cpu((cpu), cpu_possible_mask)
#define cpu_present(cpu) cpumask_test_cpu((cpu), cpu_present_mask)
#define cpu_active(cpu) cpumask_test_cpu((cpu), cpu_active_mask)
#else
#define num_online_cpus() 1
#define num_possible_cpus() 1
@ -526,10 +513,6 @@ extern cpumask_t cpu_active_map;
#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
#define for_each_possible_cpu(cpu) for_each_cpu_mask_nr((cpu), cpu_possible_map)
#define for_each_online_cpu(cpu) for_each_cpu_mask_nr((cpu), cpu_online_map)
#define for_each_present_cpu(cpu) for_each_cpu_mask_nr((cpu), cpu_present_map)
/* These are the new versions of the cpumask operators: passed by pointer.
* The older versions will be implemented in terms of these, then deleted. */
#define cpumask_bits(maskp) ((maskp)->bits)
@ -540,9 +523,6 @@ extern cpumask_t cpu_active_map;
[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
}
/* This produces more efficient code. */
#define nr_cpumask_bits NR_CPUS
#else /* NR_CPUS > BITS_PER_LONG */
#define CPU_BITS_ALL \
@ -550,10 +530,16 @@ extern cpumask_t cpu_active_map;
[0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, \
[BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
}
#define nr_cpumask_bits nr_cpu_ids
#endif /* NR_CPUS > BITS_PER_LONG */
#ifdef CONFIG_CPUMASK_OFFSTACK
/* Assuming NR_CPUS is huge, a runtime limit is more efficient. Also,
* not all bits may be allocated. */
#define nr_cpumask_bits nr_cpu_ids
#else
#define nr_cpumask_bits NR_CPUS
#endif
/* verify cpu argument to cpumask_* operators */
static inline unsigned int cpumask_check(unsigned int cpu)
{
@ -714,7 +700,7 @@ static inline void cpumask_clear_cpu(int cpu, struct cpumask *dstp)
* No static inline type checking - see Subtlety (1) above.
*/
#define cpumask_test_cpu(cpu, cpumask) \
test_bit(cpumask_check(cpu), (cpumask)->bits)
test_bit(cpumask_check(cpu), cpumask_bits((cpumask)))
/**
* cpumask_test_and_set_cpu - atomically test and set a cpu in a cpumask
@ -946,22 +932,61 @@ static inline void cpumask_copy(struct cpumask *dstp,
#define cpumask_of(cpu) (get_cpu_mask(cpu))
/**
* to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
* @bitmap: the bitmap
* cpumask_scnprintf - print a cpumask into a string as comma-separated hex
* @buf: the buffer to sprintf into
* @len: the length of the buffer
* @srcp: the cpumask to print
*
* There are a few places where cpumask_var_t isn't appropriate and
* static cpumasks must be used (eg. very early boot), yet we don't
* expose the definition of 'struct cpumask'.
*
* This does the conversion, and can be used as a constant initializer.
* If len is zero, returns zero. Otherwise returns the length of the
* (nul-terminated) @buf string.
*/
#define to_cpumask(bitmap) \
((struct cpumask *)(1 ? (bitmap) \
: (void *)sizeof(__check_is_bitmap(bitmap))))
static inline int __check_is_bitmap(const unsigned long *bitmap)
static inline int cpumask_scnprintf(char *buf, int len,
const struct cpumask *srcp)
{
return 1;
return bitmap_scnprintf(buf, len, cpumask_bits(srcp), nr_cpumask_bits);
}
/**
* cpumask_parse_user - extract a cpumask from a user string
* @buf: the buffer to extract from
* @len: the length of the buffer
* @dstp: the cpumask to set.
*
* Returns -errno, or 0 for success.
*/
static inline int cpumask_parse_user(const char __user *buf, int len,
struct cpumask *dstp)
{
return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits);
}
/**
* cpulist_scnprintf - print a cpumask into a string as comma-separated list
* @buf: the buffer to sprintf into
* @len: the length of the buffer
* @srcp: the cpumask to print
*
* If len is zero, returns zero. Otherwise returns the length of the
* (nul-terminated) @buf string.
*/
static inline int cpulist_scnprintf(char *buf, int len,
const struct cpumask *srcp)
{
return bitmap_scnlistprintf(buf, len, cpumask_bits(srcp),
nr_cpumask_bits);
}
/**
* cpulist_parse_user - extract a cpumask from a user string of ranges
* @buf: the buffer to extract from
* @len: the length of the buffer
* @dstp: the cpumask to set.
*
* Returns -errno, or 0 for success.
*/
static inline int cpulist_parse(const char *buf, struct cpumask *dstp)
{
return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits);
}
/**
@ -995,6 +1020,7 @@ static inline size_t cpumask_size(void)
#ifdef CONFIG_CPUMASK_OFFSTACK
typedef struct cpumask *cpumask_var_t;
bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
void alloc_bootmem_cpumask_var(cpumask_var_t *mask);
void free_cpumask_var(cpumask_var_t mask);
@ -1008,6 +1034,12 @@ static inline bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
return true;
}
static inline bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
int node)
{
return true;
}
static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask)
{
}
@ -1021,12 +1053,6 @@ static inline void free_bootmem_cpumask_var(cpumask_var_t mask)
}
#endif /* CONFIG_CPUMASK_OFFSTACK */
/* The pointer versions of the maps, these will become the primary versions. */
#define cpu_possible_mask ((const struct cpumask *)&cpu_possible_map)
#define cpu_online_mask ((const struct cpumask *)&cpu_online_map)
#define cpu_present_mask ((const struct cpumask *)&cpu_present_map)
#define cpu_active_mask ((const struct cpumask *)&cpu_active_map)
/* It's common to want to use cpu_all_mask in struct member initializers,
* so it has to refer to an address rather than a pointer. */
extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS);
@ -1035,51 +1061,16 @@ extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS);
/* First bits of cpu_bit_bitmap are in fact unset. */
#define cpu_none_mask to_cpumask(cpu_bit_bitmap[0])
#define for_each_possible_cpu(cpu) for_each_cpu((cpu), cpu_possible_mask)
#define for_each_online_cpu(cpu) for_each_cpu((cpu), cpu_online_mask)
#define for_each_present_cpu(cpu) for_each_cpu((cpu), cpu_present_mask)
/* Wrappers for arch boot code to manipulate normally-constant masks */
static inline void set_cpu_possible(unsigned int cpu, bool possible)
{
if (possible)
cpumask_set_cpu(cpu, &cpu_possible_map);
else
cpumask_clear_cpu(cpu, &cpu_possible_map);
}
static inline void set_cpu_present(unsigned int cpu, bool present)
{
if (present)
cpumask_set_cpu(cpu, &cpu_present_map);
else
cpumask_clear_cpu(cpu, &cpu_present_map);
}
static inline void set_cpu_online(unsigned int cpu, bool online)
{
if (online)
cpumask_set_cpu(cpu, &cpu_online_map);
else
cpumask_clear_cpu(cpu, &cpu_online_map);
}
static inline void set_cpu_active(unsigned int cpu, bool active)
{
if (active)
cpumask_set_cpu(cpu, &cpu_active_map);
else
cpumask_clear_cpu(cpu, &cpu_active_map);
}
static inline void init_cpu_present(const struct cpumask *src)
{
cpumask_copy(&cpu_present_map, src);
}
static inline void init_cpu_possible(const struct cpumask *src)
{
cpumask_copy(&cpu_possible_map, src);
}
static inline void init_cpu_online(const struct cpumask *src)
{
cpumask_copy(&cpu_online_map, src);
}
void set_cpu_possible(unsigned int cpu, bool possible);
void set_cpu_present(unsigned int cpu, bool present);
void set_cpu_online(unsigned int cpu, bool online);
void set_cpu_active(unsigned int cpu, bool active);
void init_cpu_present(const struct cpumask *src);
void init_cpu_possible(const struct cpumask *src);
void init_cpu_online(const struct cpumask *src);
#endif /* __LINUX_CPUMASK_H */

View file

@ -3,9 +3,9 @@
#include <linux/types.h>
extern u32 crc32c_le(u32 crc, unsigned char const *address, size_t length);
extern u32 crc32c_be(u32 crc, unsigned char const *address, size_t length);
extern u32 crc32c(u32 crc, const void *address, unsigned int length);
#define crc32c(seed, data, length) crc32c_le(seed, (unsigned char const *)data, length)
/* This macro exists for backwards-compatibility. */
#define crc32c_le crc32c
#endif /* _LINUX_CRC32C_H */

View file

@ -1,4 +1,4 @@
/* Credentials management
/* Credentials management - see Documentation/credentials.txt
*
* Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@ -12,39 +12,335 @@
#ifndef _LINUX_CRED_H
#define _LINUX_CRED_H
#define get_current_user() (get_uid(current->user))
#include <linux/capability.h>
#include <linux/key.h>
#include <asm/atomic.h>
#define task_uid(task) ((task)->uid)
#define task_gid(task) ((task)->gid)
#define task_euid(task) ((task)->euid)
#define task_egid(task) ((task)->egid)
struct user_struct;
struct cred;
struct inode;
#define current_uid() (current->uid)
#define current_gid() (current->gid)
#define current_euid() (current->euid)
#define current_egid() (current->egid)
#define current_suid() (current->suid)
#define current_sgid() (current->sgid)
#define current_fsuid() (current->fsuid)
#define current_fsgid() (current->fsgid)
#define current_cap() (current->cap_effective)
/*
* COW Supplementary groups list
*/
#define NGROUPS_SMALL 32
#define NGROUPS_PER_BLOCK ((unsigned int)(PAGE_SIZE / sizeof(gid_t)))
struct group_info {
atomic_t usage;
int ngroups;
int nblocks;
gid_t small_block[NGROUPS_SMALL];
gid_t *blocks[0];
};
/**
* get_group_info - Get a reference to a group info structure
* @group_info: The group info to reference
*
* This gets a reference to a set of supplementary groups.
*
* If the caller is accessing a task's credentials, they must hold the RCU read
* lock when reading.
*/
static inline struct group_info *get_group_info(struct group_info *gi)
{
atomic_inc(&gi->usage);
return gi;
}
/**
* put_group_info - Release a reference to a group info structure
* @group_info: The group info to release
*/
#define put_group_info(group_info) \
do { \
if (atomic_dec_and_test(&(group_info)->usage)) \
groups_free(group_info); \
} while (0)
extern struct group_info *groups_alloc(int);
extern struct group_info init_groups;
extern void groups_free(struct group_info *);
extern int set_current_groups(struct group_info *);
extern int set_groups(struct cred *, struct group_info *);
extern int groups_search(const struct group_info *, gid_t);
/* access the groups "array" with this macro */
#define GROUP_AT(gi, i) \
((gi)->blocks[(i) / NGROUPS_PER_BLOCK][(i) % NGROUPS_PER_BLOCK])
extern int in_group_p(gid_t);
extern int in_egroup_p(gid_t);
/*
* The common credentials for a thread group
* - shared by CLONE_THREAD
*/
#ifdef CONFIG_KEYS
struct thread_group_cred {
atomic_t usage;
pid_t tgid; /* thread group process ID */
spinlock_t lock;
struct key *session_keyring; /* keyring inherited over fork */
struct key *process_keyring; /* keyring private to this process */
struct rcu_head rcu; /* RCU deletion hook */
};
#endif
/*
* The security context of a task
*
* The parts of the context break down into two categories:
*
* (1) The objective context of a task. These parts are used when some other
* task is attempting to affect this one.
*
* (2) The subjective context. These details are used when the task is acting
* upon another object, be that a file, a task, a key or whatever.
*
* Note that some members of this structure belong to both categories - the
* LSM security pointer for instance.
*
* A task has two security pointers. task->real_cred points to the objective
* context that defines that task's actual details. The objective part of this
* context is used whenever that task is acted upon.
*
* task->cred points to the subjective context that defines the details of how
* that task is going to act upon another object. This may be overridden
* temporarily to point to another security context, but normally points to the
* same context as task->real_cred.
*/
struct cred {
atomic_t usage;
uid_t uid; /* real UID of the task */
gid_t gid; /* real GID of the task */
uid_t suid; /* saved UID of the task */
gid_t sgid; /* saved GID of the task */
uid_t euid; /* effective UID of the task */
gid_t egid; /* effective GID of the task */
uid_t fsuid; /* UID for VFS ops */
gid_t fsgid; /* GID for VFS ops */
unsigned securebits; /* SUID-less security management */
kernel_cap_t cap_inheritable; /* caps our children can inherit */
kernel_cap_t cap_permitted; /* caps we're permitted */
kernel_cap_t cap_effective; /* caps we can actually use */
kernel_cap_t cap_bset; /* capability bounding set */
#ifdef CONFIG_KEYS
unsigned char jit_keyring; /* default keyring to attach requested
* keys to */
struct key *thread_keyring; /* keyring private to this thread */
struct key *request_key_auth; /* assumed request_key authority */
struct thread_group_cred *tgcred; /* thread-group shared credentials */
#endif
#ifdef CONFIG_SECURITY
void *security; /* subjective LSM security */
#endif
struct user_struct *user; /* real user ID subscription */
struct group_info *group_info; /* supplementary groups for euid/fsgid */
struct rcu_head rcu; /* RCU deletion hook */
};
extern void __put_cred(struct cred *);
extern int copy_creds(struct task_struct *, unsigned long);
extern struct cred *prepare_creds(void);
extern struct cred *prepare_exec_creds(void);
extern struct cred *prepare_usermodehelper_creds(void);
extern int commit_creds(struct cred *);
extern void abort_creds(struct cred *);
extern const struct cred *override_creds(const struct cred *);
extern void revert_creds(const struct cred *);
extern struct cred *prepare_kernel_cred(struct task_struct *);
extern int change_create_files_as(struct cred *, struct inode *);
extern int set_security_override(struct cred *, u32);
extern int set_security_override_from_ctx(struct cred *, const char *);
extern int set_create_files_as(struct cred *, struct inode *);
extern void __init cred_init(void);
/**
* get_new_cred - Get a reference on a new set of credentials
* @cred: The new credentials to reference
*
* Get a reference on the specified set of new credentials. The caller must
* release the reference.
*/
static inline struct cred *get_new_cred(struct cred *cred)
{
atomic_inc(&cred->usage);
return cred;
}
/**
* get_cred - Get a reference on a set of credentials
* @cred: The credentials to reference
*
* Get a reference on the specified set of credentials. The caller must
* release the reference.
*
* This is used to deal with a committed set of credentials. Although the
* pointer is const, this will temporarily discard the const and increment the
* usage count. The purpose of this is to attempt to catch at compile time the
* accidental alteration of a set of credentials that should be considered
* immutable.
*/
static inline const struct cred *get_cred(const struct cred *cred)
{
return get_new_cred((struct cred *) cred);
}
/**
* put_cred - Release a reference to a set of credentials
* @cred: The credentials to release
*
* Release a reference to a set of credentials, deleting them when the last ref
* is released.
*
* This takes a const pointer to a set of credentials because the credentials
* on task_struct are attached by const pointers to prevent accidental
* alteration of otherwise immutable credential sets.
*/
static inline void put_cred(const struct cred *_cred)
{
struct cred *cred = (struct cred *) _cred;
BUG_ON(atomic_read(&(cred)->usage) <= 0);
if (atomic_dec_and_test(&(cred)->usage))
__put_cred(cred);
}
/**
* current_cred - Access the current task's subjective credentials
*
* Access the subjective credentials of the current task.
*/
#define current_cred() \
(current->cred)
/**
* __task_cred - Access a task's objective credentials
* @task: The task to query
*
* Access the objective credentials of a task. The caller must hold the RCU
* readlock.
*
* The caller must make sure task doesn't go away, either by holding a ref on
* task or by holding tasklist_lock to prevent it from being unlinked.
*/
#define __task_cred(task) \
((const struct cred *)(rcu_dereference((task)->real_cred)))
/**
* get_task_cred - Get another task's objective credentials
* @task: The task to query
*
* Get the objective credentials of a task, pinning them so that they can't go
* away. Accessing a task's credentials directly is not permitted.
*
* The caller must make sure task doesn't go away, either by holding a ref on
* task or by holding tasklist_lock to prevent it from being unlinked.
*/
#define get_task_cred(task) \
({ \
struct cred *__cred; \
rcu_read_lock(); \
__cred = (struct cred *) __task_cred((task)); \
get_cred(__cred); \
rcu_read_unlock(); \
__cred; \
})
/**
* get_current_cred - Get the current task's subjective credentials
*
* Get the subjective credentials of the current task, pinning them so that
* they can't go away. Accessing the current task's credentials directly is
* not permitted.
*/
#define get_current_cred() \
(get_cred(current_cred()))
/**
* get_current_user - Get the current task's user_struct
*
* Get the user record of the current task, pinning it so that it can't go
* away.
*/
#define get_current_user() \
({ \
struct user_struct *__u; \
struct cred *__cred; \
__cred = (struct cred *) current_cred(); \
__u = get_uid(__cred->user); \
__u; \
})
/**
* get_current_groups - Get the current task's supplementary group list
*
* Get the supplementary group list of the current task, pinning it so that it
* can't go away.
*/
#define get_current_groups() \
({ \
struct group_info *__groups; \
struct cred *__cred; \
__cred = (struct cred *) current_cred(); \
__groups = get_group_info(__cred->group_info); \
__groups; \
})
#define task_cred_xxx(task, xxx) \
({ \
__typeof__(((struct cred *)NULL)->xxx) ___val; \
rcu_read_lock(); \
___val = __task_cred((task))->xxx; \
rcu_read_unlock(); \
___val; \
})
#define task_uid(task) (task_cred_xxx((task), uid))
#define task_euid(task) (task_cred_xxx((task), euid))
#define current_cred_xxx(xxx) \
({ \
current->cred->xxx; \
})
#define current_uid() (current_cred_xxx(uid))
#define current_gid() (current_cred_xxx(gid))
#define current_euid() (current_cred_xxx(euid))
#define current_egid() (current_cred_xxx(egid))
#define current_suid() (current_cred_xxx(suid))
#define current_sgid() (current_cred_xxx(sgid))
#define current_fsuid() (current_cred_xxx(fsuid))
#define current_fsgid() (current_cred_xxx(fsgid))
#define current_cap() (current_cred_xxx(cap_effective))
#define current_user() (current_cred_xxx(user))
#define current_user_ns() (current_cred_xxx(user)->user_ns)
#define current_security() (current_cred_xxx(security))
#define current_uid_gid(_uid, _gid) \
do { \
*(_uid) = current->uid; \
*(_gid) = current->gid; \
const struct cred *__cred; \
__cred = current_cred(); \
*(_uid) = __cred->uid; \
*(_gid) = __cred->gid; \
} while(0)
#define current_euid_egid(_uid, _gid) \
#define current_euid_egid(_euid, _egid) \
do { \
*(_uid) = current->euid; \
*(_gid) = current->egid; \
const struct cred *__cred; \
__cred = current_cred(); \
*(_euid) = __cred->euid; \
*(_egid) = __cred->egid; \
} while(0)
#define current_fsuid_fsgid(_uid, _gid) \
#define current_fsuid_fsgid(_fsuid, _fsgid) \
do { \
*(_uid) = current->fsuid; \
*(_gid) = current->fsgid; \
const struct cred *__cred; \
__cred = current_cred(); \
*(_fsuid) = __cred->fsuid; \
*(_fsgid) = __cred->fsgid; \
} while(0)
#endif /* _LINUX_CRED_H */

View file

@ -36,7 +36,8 @@
#define CRYPTO_ALG_TYPE_ABLKCIPHER 0x00000005
#define CRYPTO_ALG_TYPE_GIVCIPHER 0x00000006
#define CRYPTO_ALG_TYPE_DIGEST 0x00000008
#define CRYPTO_ALG_TYPE_HASH 0x00000009
#define CRYPTO_ALG_TYPE_HASH 0x00000008
#define CRYPTO_ALG_TYPE_SHASH 0x00000009
#define CRYPTO_ALG_TYPE_AHASH 0x0000000a
#define CRYPTO_ALG_TYPE_RNG 0x0000000c
@ -220,6 +221,7 @@ struct ablkcipher_alg {
struct ahash_alg {
int (*init)(struct ahash_request *req);
int (*reinit)(struct ahash_request *req);
int (*update)(struct ahash_request *req);
int (*final)(struct ahash_request *req);
int (*digest)(struct ahash_request *req);
@ -480,6 +482,8 @@ struct crypto_tfm {
struct compress_tfm compress;
struct rng_tfm rng;
} crt_u;
void (*exit)(struct crypto_tfm *tfm);
struct crypto_alg *__crt_alg;
@ -544,7 +548,9 @@ struct crypto_attr_u32 {
* Transform user interface.
*/
struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
struct crypto_tfm *crypto_alloc_tfm(const char *alg_name,
const struct crypto_type *frontend,
u32 type, u32 mask);
struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
void crypto_free_tfm(struct crypto_tfm *tfm);

View file

@ -75,14 +75,22 @@ full_name_hash(const unsigned char *name, unsigned int len)
return end_name_hash(hash);
}
struct dcookie_struct;
#define DNAME_INLINE_LEN_MIN 36
/*
* Try to keep struct dentry aligned on 64 byte cachelines (this will
* give reasonable cacheline footprint with larger lines without the
* large memory footprint increase).
*/
#ifdef CONFIG_64BIT
#define DNAME_INLINE_LEN_MIN 32 /* 192 bytes */
#else
#define DNAME_INLINE_LEN_MIN 40 /* 128 bytes */
#endif
struct dentry {
atomic_t d_count;
unsigned int d_flags; /* protected by d_lock */
spinlock_t d_lock; /* per dentry lock */
int d_mounted;
struct inode *d_inode; /* Where the name belongs to - NULL is
* negative */
/*
@ -107,10 +115,7 @@ struct dentry {
struct dentry_operations *d_op;
struct super_block *d_sb; /* The root of the dentry tree */
void *d_fsdata; /* fs-specific data */
#ifdef CONFIG_PROFILING
struct dcookie_struct *d_cookie; /* cookie, if any */
#endif
int d_mounted;
unsigned char d_iname[DNAME_INLINE_LEN_MIN]; /* small names */
};
@ -177,6 +182,8 @@ d_iput: no no no yes
#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020 /* Parent inode is watched */
#define DCACHE_COOKIE 0x0040 /* For use by dcookie subsystem */
extern spinlock_t dcache_lock;
extern seqlock_t rename_lock;

340
include/linux/dcbnl.h Normal file
View file

@ -0,0 +1,340 @@
/*
* Copyright (c) 2008, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Author: Lucy Liu <lucy.liu@intel.com>
*/
#ifndef __LINUX_DCBNL_H__
#define __LINUX_DCBNL_H__
#define DCB_PROTO_VERSION 1
struct dcbmsg {
unsigned char dcb_family;
__u8 cmd;
__u16 dcb_pad;
};
/**
* enum dcbnl_commands - supported DCB commands
*
* @DCB_CMD_UNDEFINED: unspecified command to catch errors
* @DCB_CMD_GSTATE: request the state of DCB in the device
* @DCB_CMD_SSTATE: set the state of DCB in the device
* @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
* @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
* @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
* @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
* @DCB_CMD_PFC_GCFG: request the priority flow control configuration
* @DCB_CMD_PFC_SCFG: set the priority flow control configuration
* @DCB_CMD_SET_ALL: apply all changes to the underlying device
* @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
* device. Only useful when using bonding.
* @DCB_CMD_GCAP: request the DCB capabilities of the device
* @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
* @DCB_CMD_SNUMTCS: set the number of traffic classes
* @DCB_CMD_GBCN: set backward congestion notification configuration
* @DCB_CMD_SBCN: get backward congestion notification configration.
*/
enum dcbnl_commands {
DCB_CMD_UNDEFINED,
DCB_CMD_GSTATE,
DCB_CMD_SSTATE,
DCB_CMD_PGTX_GCFG,
DCB_CMD_PGTX_SCFG,
DCB_CMD_PGRX_GCFG,
DCB_CMD_PGRX_SCFG,
DCB_CMD_PFC_GCFG,
DCB_CMD_PFC_SCFG,
DCB_CMD_SET_ALL,
DCB_CMD_GPERM_HWADDR,
DCB_CMD_GCAP,
DCB_CMD_GNUMTCS,
DCB_CMD_SNUMTCS,
DCB_CMD_PFC_GSTATE,
DCB_CMD_PFC_SSTATE,
DCB_CMD_BCN_GCFG,
DCB_CMD_BCN_SCFG,
__DCB_CMD_ENUM_MAX,
DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
};
/**
* enum dcbnl_attrs - DCB top-level netlink attributes
*
* @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
* @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
* @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
* @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
* @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
* @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
* @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
* @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
* @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
* @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
* @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
* @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
*/
enum dcbnl_attrs {
DCB_ATTR_UNDEFINED,
DCB_ATTR_IFNAME,
DCB_ATTR_STATE,
DCB_ATTR_PFC_STATE,
DCB_ATTR_PFC_CFG,
DCB_ATTR_NUM_TC,
DCB_ATTR_PG_CFG,
DCB_ATTR_SET_ALL,
DCB_ATTR_PERM_HWADDR,
DCB_ATTR_CAP,
DCB_ATTR_NUMTCS,
DCB_ATTR_BCN,
__DCB_ATTR_ENUM_MAX,
DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
};
/**
* enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
*
* @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
* @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
* @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
* @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
* @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
* @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
* @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
* @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
* @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
* @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
* @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
*
*/
enum dcbnl_pfc_up_attrs {
DCB_PFC_UP_ATTR_UNDEFINED,
DCB_PFC_UP_ATTR_0,
DCB_PFC_UP_ATTR_1,
DCB_PFC_UP_ATTR_2,
DCB_PFC_UP_ATTR_3,
DCB_PFC_UP_ATTR_4,
DCB_PFC_UP_ATTR_5,
DCB_PFC_UP_ATTR_6,
DCB_PFC_UP_ATTR_7,
DCB_PFC_UP_ATTR_ALL,
__DCB_PFC_UP_ATTR_ENUM_MAX,
DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
};
/**
* enum dcbnl_pg_attrs - DCB Priority Group attributes
*
* @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
* @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
* @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
* @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
* @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
* @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
* @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
*
*/
enum dcbnl_pg_attrs {
DCB_PG_ATTR_UNDEFINED,
DCB_PG_ATTR_TC_0,
DCB_PG_ATTR_TC_1,
DCB_PG_ATTR_TC_2,
DCB_PG_ATTR_TC_3,
DCB_PG_ATTR_TC_4,
DCB_PG_ATTR_TC_5,
DCB_PG_ATTR_TC_6,
DCB_PG_ATTR_TC_7,
DCB_PG_ATTR_TC_MAX,
DCB_PG_ATTR_TC_ALL,
DCB_PG_ATTR_BW_ID_0,
DCB_PG_ATTR_BW_ID_1,
DCB_PG_ATTR_BW_ID_2,
DCB_PG_ATTR_BW_ID_3,
DCB_PG_ATTR_BW_ID_4,
DCB_PG_ATTR_BW_ID_5,
DCB_PG_ATTR_BW_ID_6,
DCB_PG_ATTR_BW_ID_7,
DCB_PG_ATTR_BW_ID_MAX,
DCB_PG_ATTR_BW_ID_ALL,
__DCB_PG_ATTR_ENUM_MAX,
DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
};
/**
* enum dcbnl_tc_attrs - DCB Traffic Class attributes
*
* @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
* @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
* Valid values are: 0-7
* @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
* Some devices may not support changing the
* user priority map of a TC.
* @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
* 0 - none
* 1 - group strict
* 2 - link strict
* @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
* not configured to use link strict priority,
* this is the percentage of bandwidth of the
* priority group this traffic class belongs to
* @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
*
*/
enum dcbnl_tc_attrs {
DCB_TC_ATTR_PARAM_UNDEFINED,
DCB_TC_ATTR_PARAM_PGID,
DCB_TC_ATTR_PARAM_UP_MAPPING,
DCB_TC_ATTR_PARAM_STRICT_PRIO,
DCB_TC_ATTR_PARAM_BW_PCT,
DCB_TC_ATTR_PARAM_ALL,
__DCB_TC_ATTR_PARAM_ENUM_MAX,
DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
};
/**
* enum dcbnl_cap_attrs - DCB Capability attributes
*
* @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
* @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
* @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
* @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
* @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
* traffic class mapping
* @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
* number of traffic classes the device
* can be configured to use for Priority Groups
* @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
* number of traffic classes the device can be
* configured to use for Priority Flow Control
* @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
* @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
* Notification
*/
enum dcbnl_cap_attrs {
DCB_CAP_ATTR_UNDEFINED,
DCB_CAP_ATTR_ALL,
DCB_CAP_ATTR_PG,
DCB_CAP_ATTR_PFC,
DCB_CAP_ATTR_UP2TC,
DCB_CAP_ATTR_PG_TCS,
DCB_CAP_ATTR_PFC_TCS,
DCB_CAP_ATTR_GSP,
DCB_CAP_ATTR_BCN,
__DCB_CAP_ATTR_ENUM_MAX,
DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
};
/**
* enum dcbnl_numtcs_attrs - number of traffic classes
*
* @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
* @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
* @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
* priority groups
* @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
* support priority flow control
*/
enum dcbnl_numtcs_attrs {
DCB_NUMTCS_ATTR_UNDEFINED,
DCB_NUMTCS_ATTR_ALL,
DCB_NUMTCS_ATTR_PG,
DCB_NUMTCS_ATTR_PFC,
__DCB_NUMTCS_ATTR_ENUM_MAX,
DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
};
enum dcbnl_bcn_attrs{
DCB_BCN_ATTR_UNDEFINED = 0,
DCB_BCN_ATTR_RP_0,
DCB_BCN_ATTR_RP_1,
DCB_BCN_ATTR_RP_2,
DCB_BCN_ATTR_RP_3,
DCB_BCN_ATTR_RP_4,
DCB_BCN_ATTR_RP_5,
DCB_BCN_ATTR_RP_6,
DCB_BCN_ATTR_RP_7,
DCB_BCN_ATTR_RP_ALL,
DCB_BCN_ATTR_BCNA_0,
DCB_BCN_ATTR_BCNA_1,
DCB_BCN_ATTR_ALPHA,
DCB_BCN_ATTR_BETA,
DCB_BCN_ATTR_GD,
DCB_BCN_ATTR_GI,
DCB_BCN_ATTR_TMAX,
DCB_BCN_ATTR_TD,
DCB_BCN_ATTR_RMIN,
DCB_BCN_ATTR_W,
DCB_BCN_ATTR_RD,
DCB_BCN_ATTR_RU,
DCB_BCN_ATTR_WRTT,
DCB_BCN_ATTR_RI,
DCB_BCN_ATTR_C,
DCB_BCN_ATTR_ALL,
__DCB_BCN_ATTR_ENUM_MAX,
DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
};
/**
* enum dcb_general_attr_values - general DCB attribute values
*
* @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
*
*/
enum dcb_general_attr_values {
DCB_ATTR_VALUE_UNDEFINED = 0xff
};
#endif /* __LINUX_DCBNL_H__ */

View file

@ -168,6 +168,8 @@ enum {
DCCPO_MIN_CCID_SPECIFIC = 128,
DCCPO_MAX_CCID_SPECIFIC = 255,
};
/* maximum size of a single TLV-encoded DCCP option (sans type/len bytes) */
#define DCCP_SINGLE_OPT_MAXLEN 253
/* DCCP CCIDS */
enum {
@ -176,29 +178,23 @@ enum {
};
/* DCCP features (RFC 4340 section 6.4) */
enum {
enum dccp_feature_numbers {
DCCPF_RESERVED = 0,
DCCPF_CCID = 1,
DCCPF_SHORT_SEQNOS = 2, /* XXX: not yet implemented */
DCCPF_SHORT_SEQNOS = 2,
DCCPF_SEQUENCE_WINDOW = 3,
DCCPF_ECN_INCAPABLE = 4, /* XXX: not yet implemented */
DCCPF_ECN_INCAPABLE = 4,
DCCPF_ACK_RATIO = 5,
DCCPF_SEND_ACK_VECTOR = 6,
DCCPF_SEND_NDP_COUNT = 7,
DCCPF_MIN_CSUM_COVER = 8,
DCCPF_DATA_CHECKSUM = 9, /* XXX: not yet implemented */
DCCPF_DATA_CHECKSUM = 9,
/* 10-127 reserved */
DCCPF_MIN_CCID_SPECIFIC = 128,
DCCPF_SEND_LEV_RATE = 192, /* RFC 4342, sec. 8.4 */
DCCPF_MAX_CCID_SPECIFIC = 255,
};
/* this structure is argument to DCCP_SOCKOPT_CHANGE_X */
struct dccp_so_feat {
__u8 dccpsf_feat;
__u8 __user *dccpsf_val;
__u8 dccpsf_len;
};
/* DCCP socket options */
#define DCCP_SOCKOPT_PACKET_SIZE 1 /* XXX deprecated, without effect */
#define DCCP_SOCKOPT_SERVICE 2
@ -208,6 +204,10 @@ struct dccp_so_feat {
#define DCCP_SOCKOPT_SERVER_TIMEWAIT 6
#define DCCP_SOCKOPT_SEND_CSCOV 10
#define DCCP_SOCKOPT_RECV_CSCOV 11
#define DCCP_SOCKOPT_AVAILABLE_CCIDS 12
#define DCCP_SOCKOPT_CCID 13
#define DCCP_SOCKOPT_TX_CCID 14
#define DCCP_SOCKOPT_RX_CCID 15
#define DCCP_SOCKOPT_CCID_RX_INFO 128
#define DCCP_SOCKOPT_CCID_TX_INFO 192
@ -360,7 +360,6 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
#define DCCPF_INITIAL_SEQUENCE_WINDOW 100
#define DCCPF_INITIAL_ACK_RATIO 2
#define DCCPF_INITIAL_CCID DCCPC_CCID2
#define DCCPF_INITIAL_SEND_ACK_VECTOR 1
/* FIXME: for now we're default to 1 but it should really be 0 */
#define DCCPF_INITIAL_SEND_NDP_COUNT 1
@ -370,20 +369,11 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
* Will be used to pass the state from dccp_request_sock to dccp_sock.
*
* @dccpms_sequence_window - Sequence Window Feature (section 7.5.2)
* @dccpms_ccid - Congestion Control Id (CCID) (section 10)
* @dccpms_send_ack_vector - Send Ack Vector Feature (section 11.5)
* @dccpms_send_ndp_count - Send NDP Count Feature (7.7.2)
* @dccpms_ack_ratio - Ack Ratio Feature (section 11.3)
* @dccpms_pending - List of features being negotiated
* @dccpms_conf -
*/
struct dccp_minisock {
__u64 dccpms_sequence_window;
__u8 dccpms_rx_ccid;
__u8 dccpms_tx_ccid;
__u8 dccpms_send_ack_vector;
__u8 dccpms_send_ndp_count;
__u8 dccpms_ack_ratio;
struct list_head dccpms_pending;
struct list_head dccpms_conf;
};
@ -411,6 +401,7 @@ extern void dccp_minisock_init(struct dccp_minisock *dmsk);
* @dreq_iss: initial sequence number sent on the Response (RFC 4340, 7.1)
* @dreq_isr: initial sequence number received on the Request
* @dreq_service: service code present on the Request (there is just one)
* @dreq_featneg: feature negotiation options for this connection
* The following two fields are analogous to the ones in dccp_sock:
* @dreq_timestamp_echo: last received timestamp to echo (13.1)
* @dreq_timestamp_echo: the time of receiving the last @dreq_timestamp_echo
@ -420,6 +411,7 @@ struct dccp_request_sock {
__u64 dreq_iss;
__u64 dreq_isr;
__be32 dreq_service;
struct list_head dreq_featneg;
__u32 dreq_timestamp_echo;
__u32 dreq_timestamp_time;
};
@ -493,10 +485,12 @@ struct dccp_ackvec;
* @dccps_r_ack_ratio - feature-remote Ack Ratio
* @dccps_pcslen - sender partial checksum coverage (via sockopt)
* @dccps_pcrlen - receiver partial checksum coverage (via sockopt)
* @dccps_send_ndp_count - local Send NDP Count feature (7.7.2)
* @dccps_ndp_count - number of Non Data Packets since last data packet
* @dccps_mss_cache - current value of MSS (path MTU minus header sizes)
* @dccps_rate_last - timestamp for rate-limiting DCCP-Sync (RFC 4340, 7.5.4)
* @dccps_minisock - associated minisock (accessed via dccp_msk)
* @dccps_featneg - tracks feature-negotiation state (mostly during handshake)
* @dccps_hc_rx_ackvec - rx half connection ack vector
* @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection)
* @dccps_hc_tx_ccid - CCID used for the sender (or sending half-connection)
@ -529,11 +523,13 @@ struct dccp_sock {
__u32 dccps_timestamp_time;
__u16 dccps_l_ack_ratio;
__u16 dccps_r_ack_ratio;
__u16 dccps_pcslen;
__u16 dccps_pcrlen;
__u8 dccps_pcslen:4;
__u8 dccps_pcrlen:4;
__u8 dccps_send_ndp_count:1;
__u64 dccps_ndp_count:48;
unsigned long dccps_rate_last;
struct dccp_minisock dccps_minisock;
struct list_head dccps_featneg;
struct dccp_ackvec *dccps_hc_rx_ackvec;
struct ccid *dccps_hc_rx_ccid;
struct ccid *dccps_hc_tx_ccid;

View file

@ -17,7 +17,7 @@ extern int debug_locks_off(void);
({ \
int __ret = 0; \
\
if (unlikely(c)) { \
if (!oops_in_progress && unlikely(c)) { \
if (debug_locks_off() && !debug_locks_silent) \
WARN_ON(1); \
__ret = 1; \

View file

@ -9,148 +9,16 @@
#define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT)
#define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
#define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT)
#define DMA_32BIT_PFN IOVA_PFN(DMA_32BIT_MASK)
#define DMA_64BIT_PFN IOVA_PFN(DMA_64BIT_MASK)
/*
* 0: Present
* 1-11: Reserved
* 12-63: Context Ptr (12 - (haw-1))
* 64-127: Reserved
*/
struct root_entry {
u64 val;
u64 rsvd1;
};
#define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
static inline bool root_present(struct root_entry *root)
{
return (root->val & 1);
}
static inline void set_root_present(struct root_entry *root)
{
root->val |= 1;
}
static inline void set_root_value(struct root_entry *root, unsigned long value)
{
root->val |= value & VTD_PAGE_MASK;
}
struct context_entry;
static inline struct context_entry *
get_context_addr_from_root(struct root_entry *root)
{
return (struct context_entry *)
(root_present(root)?phys_to_virt(
root->val & VTD_PAGE_MASK) :
NULL);
}
/*
* low 64 bits:
* 0: present
* 1: fault processing disable
* 2-3: translation type
* 12-63: address space root
* high 64 bits:
* 0-2: address width
* 3-6: aval
* 8-23: domain id
*/
struct context_entry {
u64 lo;
u64 hi;
};
#define context_present(c) ((c).lo & 1)
#define context_fault_disable(c) (((c).lo >> 1) & 1)
#define context_translation_type(c) (((c).lo >> 2) & 3)
#define context_address_root(c) ((c).lo & VTD_PAGE_MASK)
#define context_address_width(c) ((c).hi & 7)
#define context_domain_id(c) (((c).hi >> 8) & ((1 << 16) - 1))
#define context_set_present(c) do {(c).lo |= 1;} while (0)
#define context_set_fault_enable(c) \
do {(c).lo &= (((u64)-1) << 2) | 1;} while (0)
#define context_set_translation_type(c, val) \
do { \
(c).lo &= (((u64)-1) << 4) | 3; \
(c).lo |= ((val) & 3) << 2; \
} while (0)
#define CONTEXT_TT_MULTI_LEVEL 0
#define context_set_address_root(c, val) \
do {(c).lo |= (val) & VTD_PAGE_MASK; } while (0)
#define context_set_address_width(c, val) do {(c).hi |= (val) & 7;} while (0)
#define context_set_domain_id(c, val) \
do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0)
#define context_clear_entry(c) do {(c).lo = 0; (c).hi = 0;} while (0)
/*
* 0: readable
* 1: writable
* 2-6: reserved
* 7: super page
* 8-11: available
* 12-63: Host physcial address
*/
struct dma_pte {
u64 val;
};
#define dma_clear_pte(p) do {(p).val = 0;} while (0)
#define DMA_PTE_READ (1)
#define DMA_PTE_WRITE (2)
#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0)
#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0)
#define dma_set_pte_prot(p, prot) \
do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0)
#define dma_pte_addr(p) ((p).val & VTD_PAGE_MASK)
#define dma_set_pte_addr(p, addr) do {\
(p).val |= ((addr) & VTD_PAGE_MASK); } while (0)
#define dma_pte_present(p) (((p).val & 3) != 0)
struct intel_iommu;
struct dmar_domain;
struct root_entry;
struct dmar_domain {
int id; /* domain id */
struct intel_iommu *iommu; /* back pointer to owning iommu */
struct list_head devices; /* all devices' list */
struct iova_domain iovad; /* iova's that belong to this domain */
struct dma_pte *pgd; /* virtual address */
spinlock_t mapping_lock; /* page table lock */
int gaw; /* max guest address width */
/* adjusted guest address width, 0 is level 2 30-bit */
int agaw;
#define DOMAIN_FLAG_MULTIPLE_DEVICES 1
int flags;
};
/* PCI domain-device relationship */
struct device_domain_info {
struct list_head link; /* link to domain siblings */
struct list_head global; /* link to global list */
u8 bus; /* PCI bus numer */
u8 devfn; /* PCI devfn number */
struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */
struct dmar_domain *domain; /* pointer to domain */
};
extern int init_dmars(void);
extern void free_dmar_iommu(struct intel_iommu *iommu);
extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int dmar_disabled;
#ifndef CONFIG_DMAR_GFX_WA
static inline void iommu_prepare_gfx_mapping(void)
{
return;
}
#endif /* !CONFIG_DMAR_GFX_WA */
#endif

View file

@ -144,7 +144,6 @@ struct dmar_rmrr_unit {
list_for_each_entry(rmrr, &dmar_rmrr_units, list)
/* Intel DMAR initialization functions */
extern int intel_iommu_init(void);
extern int dmar_disabled;
#else
static inline int intel_iommu_init(void)
{

View file

@ -44,8 +44,10 @@ extern const struct dmi_device * dmi_find_device(int type, const char *name,
extern void dmi_scan_machine(void);
extern int dmi_get_year(int field);
extern int dmi_name_in_vendors(const char *str);
extern int dmi_name_in_serial(const char *str);
extern int dmi_available;
extern int dmi_walk(void (*decode)(const struct dmi_header *));
extern bool dmi_match(enum dmi_field f, const char *str);
#else
@ -56,9 +58,12 @@ static inline const struct dmi_device * dmi_find_device(int type, const char *na
static inline void dmi_scan_machine(void) { return; }
static inline int dmi_get_year(int year) { return 0; }
static inline int dmi_name_in_vendors(const char *s) { return 0; }
static inline int dmi_name_in_serial(const char *s) { return 0; }
#define dmi_available 0
static inline int dmi_walk(void (*decode)(const struct dmi_header *))
{ return -1; }
static inline bool dmi_match(enum dmi_field f, const char *str)
{ return false; }
#endif

View file

@ -62,10 +62,11 @@ typedef enum fe_caps {
FE_CAN_HIERARCHY_AUTO = 0x100000,
FE_CAN_8VSB = 0x200000,
FE_CAN_16VSB = 0x400000,
FE_HAS_EXTENDED_CAPS = 0x800000, // We need more bitspace for newer APIs, indicate this.
FE_NEEDS_BENDING = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending)
FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically
FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output
FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */
FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */
FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */
} fe_caps_t;
@ -121,15 +122,15 @@ typedef enum fe_sec_mini_cmd {
typedef enum fe_status {
FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
FE_HAS_CARRIER = 0x02, /* found a DVB signal */
FE_HAS_VITERBI = 0x04, /* FEC is stable */
FE_HAS_SYNC = 0x08, /* found sync bytes */
FE_HAS_LOCK = 0x10, /* everything's working... */
FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
FE_REINIT = 0x40 /* frontend was reinitialized, */
} fe_status_t; /* application is recommended to reset */
/* DiSEqC, tone and parameters */
FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
FE_HAS_CARRIER = 0x02, /* found a DVB signal */
FE_HAS_VITERBI = 0x04, /* FEC is stable */
FE_HAS_SYNC = 0x08, /* found sync bytes */
FE_HAS_LOCK = 0x10, /* everything's working... */
FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
FE_REINIT = 0x40 /* frontend was reinitialized, */
} fe_status_t; /* application is recommended to reset */
/* DiSEqC, tone and parameters */
typedef enum fe_spectral_inversion {
INVERSION_OFF,

View file

@ -28,7 +28,7 @@ typedef void (elevator_activate_req_fn) (struct request_queue *, struct request
typedef void (elevator_deactivate_req_fn) (struct request_queue *, struct request *);
typedef void *(elevator_init_fn) (struct request_queue *);
typedef void (elevator_exit_fn) (elevator_t *);
typedef void (elevator_exit_fn) (struct elevator_queue *);
struct elevator_ops
{
@ -62,8 +62,8 @@ struct elevator_ops
struct elv_fs_entry {
struct attribute attr;
ssize_t (*show)(elevator_t *, char *);
ssize_t (*store)(elevator_t *, const char *, size_t);
ssize_t (*show)(struct elevator_queue *, char *);
ssize_t (*store)(struct elevator_queue *, const char *, size_t);
};
/*
@ -130,7 +130,7 @@ extern ssize_t elv_iosched_show(struct request_queue *, char *);
extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t);
extern int elevator_init(struct request_queue *, char *);
extern void elevator_exit(elevator_t *);
extern void elevator_exit(struct elevator_queue *);
extern int elv_rq_merge_ok(struct request *, struct bio *);
/*

View file

@ -27,6 +27,7 @@
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/random.h>
#include <asm/unaligned.h>
#ifdef __KERNEL__
extern __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev);
@ -41,6 +42,10 @@ extern int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh);
extern void eth_header_cache_update(struct hh_cache *hh,
const struct net_device *dev,
const unsigned char *haddr);
extern int eth_mac_addr(struct net_device *dev, void *p);
extern int eth_change_mtu(struct net_device *dev, int new_mtu);
extern int eth_validate_addr(struct net_device *dev);
extern struct net_device *alloc_etherdev_mq(int sizeof_priv, unsigned int queue_count);
@ -136,6 +141,47 @@ static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2)
BUILD_BUG_ON(ETH_ALEN != 6);
return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0;
}
static inline unsigned long zap_last_2bytes(unsigned long value)
{
#ifdef __BIG_ENDIAN
return value >> 16;
#else
return value << 16;
#endif
}
/**
* compare_ether_addr_64bits - Compare two Ethernet addresses
* @addr1: Pointer to an array of 8 bytes
* @addr2: Pointer to an other array of 8 bytes
*
* Compare two ethernet addresses, returns 0 if equal.
* Same result than "memcmp(addr1, addr2, ETH_ALEN)" but without conditional
* branches, and possibly long word memory accesses on CPU allowing cheap
* unaligned memory reads.
* arrays = { byte1, byte2, byte3, byte4, byte6, byte7, pad1, pad2}
*
* Please note that alignment of addr1 & addr2 is only guaranted to be 16 bits.
*/
static inline unsigned compare_ether_addr_64bits(const u8 addr1[6+2],
const u8 addr2[6+2])
{
#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
unsigned long fold = ((*(unsigned long *)addr1) ^
(*(unsigned long *)addr2));
if (sizeof(fold) == 8)
return zap_last_2bytes(fold) != 0;
fold |= zap_last_2bytes((*(unsigned long *)(addr1 + 4)) ^
(*(unsigned long *)(addr2 + 4)));
return fold != 0;
#else
return compare_ether_addr(addr1, addr2);
#endif
}
#endif /* __KERNEL__ */
#endif /* _LINUX_ETHERDEVICE_H */

View file

@ -467,6 +467,8 @@ struct ethtool_ops {
#define ETHTOOL_GRXFH 0x00000029 /* Get RX flow hash configuration */
#define ETHTOOL_SRXFH 0x0000002a /* Set RX flow hash configuration */
#define ETHTOOL_GGRO 0x0000002b /* Get GRO enable (ethtool_value) */
#define ETHTOOL_SGRO 0x0000002c /* Set GRO enable (ethtool_value) */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET

View file

@ -108,4 +108,10 @@ struct ext2_sb_info {
struct ext2_reserve_window_node s_rsv_window_head;
};
static inline spinlock_t *
sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group)
{
return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
}
#endif /* _LINUX_EXT2_FS_SB */

View file

@ -83,4 +83,10 @@ struct ext3_sb_info {
#endif
};
static inline spinlock_t *
sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group)
{
return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group);
}
#endif /* _LINUX_EXT3_FS_SB */

View file

@ -81,4 +81,13 @@ static inline void cleanup_fault_attr_dentries(struct fault_attr *attr)
#endif /* CONFIG_FAULT_INJECTION */
#ifdef CONFIG_FAILSLAB
extern bool should_failslab(size_t size, gfp_t gfpflags);
#else
static inline bool should_failslab(size_t size, gfp_t gfpflags)
{
return false;
}
#endif /* CONFIG_FAILSLAB */
#endif /* _LINUX_FAULT_INJECT_H */

View file

@ -888,7 +888,7 @@ struct fb_info {
#define fb_writeq sbus_writeq
#define fb_memset sbus_memset_io
#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__)
#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__)
#define fb_readb __raw_readb
#define fb_readw __raw_readw

View file

@ -27,6 +27,7 @@
#ifdef __KERNEL__
extern __be16 fddi_type_trans(struct sk_buff *skb,
struct net_device *dev);
extern int fddi_change_mtu(struct net_device *dev, int new_mtu);
extern struct net_device *alloc_fddidev(int sizeof_priv);
#endif

View file

@ -57,8 +57,6 @@ struct files_struct {
#define files_fdtable(files) (rcu_dereference((files)->fdt))
extern struct kmem_cache *filp_cachep;
struct file_operations;
struct vfsmount;
struct dentry;

View file

@ -122,7 +122,8 @@ struct sock_fprog /* Required for SO_ATTACH_FILTER. */
#define SKF_AD_PKTTYPE 4
#define SKF_AD_IFINDEX 8
#define SKF_AD_NLATTR 12
#define SKF_AD_MAX 16
#define SKF_AD_NLATTR_NEST 16
#define SKF_AD_MAX 20
#define SKF_NET_OFF (-0x100000)
#define SKF_LL_OFF (-0x200000)

View file

@ -21,7 +21,6 @@
/* Fixed constants first: */
#undef NR_OPEN
extern int sysctl_nr_open;
#define INR_OPEN 1024 /* Initial setting for nfile rlimits */
#define BLOCK_SIZE_BITS 10
@ -38,21 +37,13 @@ struct files_stat_struct {
int nr_free_files; /* read only */
int max_files; /* tunable */
};
extern struct files_stat_struct files_stat;
extern int get_max_files(void);
struct inodes_stat_t {
int nr_inodes;
int nr_unused;
int dummy[5]; /* padding for sysctl ABI compatibility */
};
extern struct inodes_stat_t inodes_stat;
extern int leases_enable, lease_break_time;
#ifdef CONFIG_DNOTIFY
extern int dir_notify_enable;
#endif
#define NR_FILE 8192 /* this can well be larger on a larger system */
@ -82,6 +73,14 @@ extern int dir_notify_enable;
(specialy hack for floppy.c) */
#define FMODE_WRITE_IOCTL ((__force fmode_t)128)
/*
* Don't update ctime and mtime.
*
* Currently a special hack for the XFS open_by_handle ioctl, but we'll
* hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
*/
#define FMODE_NOCMTIME ((__force fmode_t)2048)
#define RW_MASK 1
#define RWA_MASK 2
#define READ 0
@ -316,11 +315,21 @@ struct poll_table_struct;
struct kstatfs;
struct vm_area_struct;
struct vfsmount;
struct cred;
extern void __init inode_init(void);
extern void __init inode_init_early(void);
extern void __init files_init(unsigned long);
extern struct files_stat_struct files_stat;
extern int get_max_files(void);
extern int sysctl_nr_open;
extern struct inodes_stat_t inodes_stat;
extern int leases_enable, lease_break_time;
#ifdef CONFIG_DNOTIFY
extern int dir_notify_enable;
#endif
struct buffer_head;
typedef int (get_block_t)(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create);
@ -414,6 +423,9 @@ enum positive_aop_returns {
#define AOP_FLAG_UNINTERRUPTIBLE 0x0001 /* will not do a short write */
#define AOP_FLAG_CONT_EXPAND 0x0002 /* called from cont_expand */
#define AOP_FLAG_NOFS 0x0004 /* used by filesystem to direct
* helper code (eg buffer layer)
* to clear GFP_FS from alloc */
/*
* oh the beauties of C type declarations.
@ -827,7 +839,7 @@ struct file {
fmode_t f_mode;
loff_t f_pos;
struct fown_struct f_owner;
unsigned int f_uid, f_gid;
const struct cred *f_cred;
struct file_ra_state f_ra;
u64 f_version;
@ -1194,7 +1206,7 @@ enum {
#define has_fs_excl() atomic_read(&current->fs_excl)
#define is_owner_or_cap(inode) \
((current->fsuid == (inode)->i_uid) || capable(CAP_FOWNER))
((current_fsuid() == (inode)->i_uid) || capable(CAP_FOWNER))
/* not quite ready to be deprecated, but... */
extern void lock_super(struct super_block *);
@ -1203,7 +1215,6 @@ extern void unlock_super(struct super_block *);
/*
* VFS helper functions..
*/
extern int vfs_permission(struct nameidata *, int);
extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
extern int vfs_mkdir(struct inode *, struct dentry *, int);
extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
@ -1301,7 +1312,6 @@ struct file_operations {
ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
int (*check_flags)(int);
int (*dir_notify)(struct file *filp, unsigned long arg);
int (*flock) (struct file *, int, struct file_lock *);
ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
@ -1674,7 +1684,8 @@ extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs,
extern long do_sys_open(int dfd, const char __user *filename, int flags,
int mode);
extern struct file *filp_open(const char *, int, int);
extern struct file * dentry_open(struct dentry *, struct vfsmount *, int);
extern struct file * dentry_open(struct dentry *, struct vfsmount *, int,
const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);
extern char * getname(const char __user *);
@ -1859,7 +1870,7 @@ extern void free_write_pipe(struct file *);
extern struct file *do_filp_open(int dfd, const char *pathname,
int open_flag, int mode);
extern int may_open(struct nameidata *, int, int);
extern int may_open(struct path *, int, int);
extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
extern struct file * open_exec(const char *);
@ -1875,7 +1886,9 @@ extern loff_t default_llseek(struct file *file, loff_t offset, int origin);
extern loff_t vfs_llseek(struct file *file, loff_t offset, int origin);
extern struct inode * inode_init_always(struct super_block *, struct inode *);
extern void inode_init_once(struct inode *);
extern void inode_add_to_lists(struct super_block *, struct inode *);
extern void iput(struct inode *);
extern struct inode * igrab(struct inode *);
extern ino_t iunique(struct super_block *, ino_t);
@ -1892,6 +1905,8 @@ extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *, void *), int (*set)(struct inode *, void *), void *);
extern struct inode * iget_locked(struct super_block *, unsigned long);
extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
extern int insert_inode_locked(struct inode *);
extern void unlock_new_inode(struct inode *);
extern void __iget(struct inode * inode);
@ -2023,7 +2038,7 @@ extern int page_readlink(struct dentry *, char __user *, int);
extern void *page_follow_link_light(struct dentry *, struct nameidata *);
extern void page_put_link(struct dentry *, struct nameidata *, void *);
extern int __page_symlink(struct inode *inode, const char *symname, int len,
gfp_t gfp_mask);
int nofs);
extern int page_symlink(struct inode *inode, const char *symname, int len);
extern const struct inode_operations page_symlink_inode_operations;
extern int generic_readlink(struct dentry *, char __user *, int);

View file

@ -10,12 +10,6 @@ struct fs_struct {
struct path root, pwd;
};
#define INIT_FS { \
.count = ATOMIC_INIT(1), \
.lock = RW_LOCK_UNLOCKED, \
.umask = 0022, \
}
extern struct kmem_cache *fs_cachep;
extern void exit_fs(struct task_struct *);

View file

@ -47,12 +47,7 @@
struct gianfar_platform_data {
/* device specific information */
u32 device_flags;
/* board specific information */
u32 board_flags;
int mdio_bus; /* Bus controlled by us */
char bus_id[MII_BUS_ID_SIZE]; /* Bus PHY is on */
u32 phy_id;
u8 mac_addr[6];
char bus_id[BUS_ID_SIZE];
phy_interface_t interface;
};
@ -61,17 +56,6 @@ struct gianfar_mdio_data {
int irq[32];
};
/* Flags related to gianfar device features */
#define FSL_GIANFAR_DEV_HAS_GIGABIT 0x00000001
#define FSL_GIANFAR_DEV_HAS_COALESCE 0x00000002
#define FSL_GIANFAR_DEV_HAS_RMON 0x00000004
#define FSL_GIANFAR_DEV_HAS_MULTI_INTR 0x00000008
#define FSL_GIANFAR_DEV_HAS_CSUM 0x00000010
#define FSL_GIANFAR_DEV_HAS_VLAN 0x00000020
#define FSL_GIANFAR_DEV_HAS_EXTENDED_HASH 0x00000040
#define FSL_GIANFAR_DEV_HAS_PADDING 0x00000080
#define FSL_GIANFAR_DEV_HAS_MAGIC_PACKET 0x00000100
/* Flags in gianfar_platform_data */
#define FSL_GIANFAR_BRD_HAS_PHY_INTR 0x00000001 /* set or use a timer */
#define FSL_GIANFAR_BRD_IS_REDUCED 0x00000002 /* Set if RGMII, RMII */

View file

@ -6,7 +6,10 @@
#include <linux/ktime.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/bitops.h>
#include <linux/sched.h>
#ifdef CONFIG_FUNCTION_TRACER
@ -23,6 +26,45 @@ struct ftrace_ops {
struct ftrace_ops *next;
};
extern int function_trace_stop;
/*
* Type of the current tracing.
*/
enum ftrace_tracing_type_t {
FTRACE_TYPE_ENTER = 0, /* Hook the call of the function */
FTRACE_TYPE_RETURN, /* Hook the return of the function */
};
/* Current tracing type, default is FTRACE_TYPE_ENTER */
extern enum ftrace_tracing_type_t ftrace_tracing_type;
/**
* ftrace_stop - stop function tracer.
*
* A quick way to stop the function tracer. Note this an on off switch,
* it is not something that is recursive like preempt_disable.
* This does not disable the calling of mcount, it only stops the
* calling of functions from mcount.
*/
static inline void ftrace_stop(void)
{
function_trace_stop = 1;
}
/**
* ftrace_start - start the function tracer.
*
* This function is the inverse of ftrace_stop. This does not enable
* the function tracing if the function tracer is disabled. This only
* sets the function tracer flag to continue calling the functions
* from mcount.
*/
static inline void ftrace_start(void)
{
function_trace_stop = 0;
}
/*
* The ftrace_ops must be a static and should also
* be read_mostly. These functions do modify read_mostly variables
@ -41,9 +83,21 @@ extern void ftrace_stub(unsigned long a0, unsigned long a1);
# define unregister_ftrace_function(ops) do { } while (0)
# define clear_ftrace_function(ops) do { } while (0)
static inline void ftrace_kill(void) { }
static inline void ftrace_stop(void) { }
static inline void ftrace_start(void) { }
#endif /* CONFIG_FUNCTION_TRACER */
#ifdef CONFIG_STACK_TRACER
extern int stack_tracer_enabled;
int
stack_trace_sysctl(struct ctl_table *table, int write,
struct file *file, void __user *buffer, size_t *lenp,
loff_t *ppos);
#endif
#ifdef CONFIG_DYNAMIC_FTRACE
/* asm/ftrace.h must be defined for archs supporting dynamic ftrace */
#include <asm/ftrace.h>
enum {
FTRACE_FL_FREE = (1 << 0),
@ -59,6 +113,7 @@ struct dyn_ftrace {
struct list_head list;
unsigned long ip; /* address of mcount call-site */
unsigned long flags;
struct dyn_arch_ftrace arch;
};
int ftrace_force_update(void);
@ -66,19 +121,25 @@ void ftrace_set_filter(unsigned char *buf, int len, int reset);
/* defined in arch */
extern int ftrace_ip_converted(unsigned long ip);
extern unsigned char *ftrace_nop_replace(void);
extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr);
extern int ftrace_dyn_arch_init(void *data);
extern int ftrace_update_ftrace_func(ftrace_func_t func);
extern void ftrace_caller(void);
extern void ftrace_call(void);
extern void mcount_call(void);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
extern void ftrace_graph_caller(void);
extern int ftrace_enable_ftrace_graph_caller(void);
extern int ftrace_disable_ftrace_graph_caller(void);
#else
static inline int ftrace_enable_ftrace_graph_caller(void) { return 0; }
static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
#endif
/**
* ftrace_modify_code - modify code segment
* @ip: the address of the code segment
* @old_code: the contents of what is expected to be there
* @new_code: the code to patch in
* ftrace_make_nop - convert code into top
* @mod: module structure if called by module load initialization
* @rec: the mcount call site record
* @addr: the address that the call site should be calling
*
* This is a very sensitive operation and great care needs
* to be taken by the arch. The operation should carefully
@ -86,6 +147,8 @@ extern void mcount_call(void);
* what we expect it to be, and then on success of the compare,
* it should write to the location.
*
* The code segment at @rec->ip should be a caller to @addr
*
* Return must be:
* 0 on success
* -EFAULT on error reading the location
@ -93,8 +156,34 @@ extern void mcount_call(void);
* -EPERM on error writing to the location
* Any other value will be considered a failure.
*/
extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code,
unsigned char *new_code);
extern int ftrace_make_nop(struct module *mod,
struct dyn_ftrace *rec, unsigned long addr);
/**
* ftrace_make_call - convert a nop call site into a call to addr
* @rec: the mcount call site record
* @addr: the address that the call site should call
*
* This is a very sensitive operation and great care needs
* to be taken by the arch. The operation should carefully
* read the location, check to see if what is read is indeed
* what we expect it to be, and then on success of the compare,
* it should write to the location.
*
* The code segment at @rec->ip should be a nop
*
* Return must be:
* 0 on success
* -EFAULT on error reading the location
* -EINVAL on a failed compare of the contents
* -EPERM on error writing to the location
* Any other value will be considered a failure.
*/
extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr);
/* May be defined in arch */
extern int ftrace_arch_read_dyn_info(char *buf, int size);
extern int skip_trace(unsigned long ip);
@ -102,7 +191,6 @@ extern void ftrace_release(void *start, unsigned long size);
extern void ftrace_disable_daemon(void);
extern void ftrace_enable_daemon(void);
#else
# define skip_trace(ip) ({ 0; })
# define ftrace_force_update() ({ 0; })
@ -181,6 +269,12 @@ static inline void __ftrace_enabled_restore(int enabled)
#endif
#ifdef CONFIG_TRACING
extern int ftrace_dump_on_oops;
extern void tracing_start(void);
extern void tracing_stop(void);
extern void ftrace_off_permanent(void);
extern void
ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
@ -209,8 +303,11 @@ extern void ftrace_dump(void);
static inline void
ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
static inline int
ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static inline void tracing_start(void) { }
static inline void tracing_stop(void) { }
static inline void ftrace_off_permanent(void) { }
static inline int
ftrace_printk(const char *fmt, ...)
{
@ -221,33 +318,178 @@ static inline void ftrace_dump(void) { }
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
extern void ftrace_init_module(unsigned long *start, unsigned long *end);
extern void ftrace_init_module(struct module *mod,
unsigned long *start, unsigned long *end);
#else
static inline void ftrace_init(void) { }
static inline void
ftrace_init_module(unsigned long *start, unsigned long *end) { }
ftrace_init_module(struct module *mod,
unsigned long *start, unsigned long *end) { }
#endif
struct boot_trace {
pid_t caller;
char func[KSYM_NAME_LEN];
int result;
unsigned long long duration; /* usecs */
ktime_t calltime;
ktime_t rettime;
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
#ifdef CONFIG_BOOT_TRACER
extern void trace_boot(struct boot_trace *it, initcall_t fn);
extern void start_boot_trace(void);
extern void stop_boot_trace(void);
struct power_trace {
#ifdef CONFIG_POWER_TRACER
ktime_t stamp;
ktime_t end;
int type;
int state;
#endif
};
#ifdef CONFIG_POWER_TRACER
extern void trace_power_start(struct power_trace *it, unsigned int type,
unsigned int state);
extern void trace_power_mark(struct power_trace *it, unsigned int type,
unsigned int state);
extern void trace_power_end(struct power_trace *it);
#else
static inline void trace_boot(struct boot_trace *it, initcall_t fn) { }
static inline void start_boot_trace(void) { }
static inline void stop_boot_trace(void) { }
static inline void trace_power_start(struct power_trace *it, unsigned int type,
unsigned int state) { }
static inline void trace_power_mark(struct power_trace *it, unsigned int type,
unsigned int state) { }
static inline void trace_power_end(struct power_trace *it) { }
#endif
/*
* Structure that defines an entry function trace.
*/
struct ftrace_graph_ent {
unsigned long func; /* Current function */
int depth;
};
/*
* Structure that defines a return function trace.
*/
struct ftrace_graph_ret {
unsigned long func; /* Current function */
unsigned long long calltime;
unsigned long long rettime;
/* Number of functions that overran the depth limit for current task */
unsigned long overrun;
int depth;
};
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/*
* Sometimes we don't want to trace a function with the function
* graph tracer but we want them to keep traced by the usual function
* tracer if the function graph tracer is not configured.
*/
#define __notrace_funcgraph notrace
/*
* We want to which function is an entrypoint of a hardirq.
* That will help us to put a signal on output.
*/
#define __irq_entry __attribute__((__section__(".irqentry.text")))
/* Limits of hardirq entrypoints */
extern char __irqentry_text_start[];
extern char __irqentry_text_end[];
#define FTRACE_RETFUNC_DEPTH 50
#define FTRACE_RETSTACK_ALLOC_SIZE 32
/* Type of the callback handlers for tracing function graph*/
typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
extern int register_ftrace_graph(trace_func_graph_ret_t retfunc,
trace_func_graph_ent_t entryfunc);
extern void ftrace_graph_stop(void);
/* The current handlers in use */
extern trace_func_graph_ret_t ftrace_graph_return;
extern trace_func_graph_ent_t ftrace_graph_entry;
extern void unregister_ftrace_graph(void);
extern void ftrace_graph_init_task(struct task_struct *t);
extern void ftrace_graph_exit_task(struct task_struct *t);
static inline int task_curr_ret_stack(struct task_struct *t)
{
return t->curr_ret_stack;
}
static inline void pause_graph_tracing(void)
{
atomic_inc(&current->tracing_graph_pause);
}
static inline void unpause_graph_tracing(void)
{
atomic_dec(&current->tracing_graph_pause);
}
#else
#define __notrace_funcgraph
#define __irq_entry
static inline void ftrace_graph_init_task(struct task_struct *t) { }
static inline void ftrace_graph_exit_task(struct task_struct *t) { }
static inline int task_curr_ret_stack(struct task_struct *tsk)
{
return -1;
}
static inline void pause_graph_tracing(void) { }
static inline void unpause_graph_tracing(void) { }
#endif
#ifdef CONFIG_TRACING
#include <linux/sched.h>
/* flags for current->trace */
enum {
TSK_TRACE_FL_TRACE_BIT = 0,
TSK_TRACE_FL_GRAPH_BIT = 1,
};
enum {
TSK_TRACE_FL_TRACE = 1 << TSK_TRACE_FL_TRACE_BIT,
TSK_TRACE_FL_GRAPH = 1 << TSK_TRACE_FL_GRAPH_BIT,
};
static inline void set_tsk_trace_trace(struct task_struct *tsk)
{
set_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace);
}
static inline void clear_tsk_trace_trace(struct task_struct *tsk)
{
clear_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace);
}
static inline int test_tsk_trace_trace(struct task_struct *tsk)
{
return tsk->trace & TSK_TRACE_FL_TRACE;
}
static inline void set_tsk_trace_graph(struct task_struct *tsk)
{
set_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace);
}
static inline void clear_tsk_trace_graph(struct task_struct *tsk)
{
clear_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace);
}
static inline int test_tsk_trace_graph(struct task_struct *tsk)
{
return tsk->trace & TSK_TRACE_FL_GRAPH;
}
#endif /* CONFIG_TRACING */
#endif /* _LINUX_FTRACE_H */

View file

@ -0,0 +1,13 @@
#ifndef _LINUX_FTRACE_IRQ_H
#define _LINUX_FTRACE_IRQ_H
#if defined(CONFIG_DYNAMIC_FTRACE) || defined(CONFIG_FUNCTION_GRAPH_TRACER)
extern void ftrace_nmi_enter(void);
extern void ftrace_nmi_exit(void);
#else
static inline void ftrace_nmi_enter(void) { }
static inline void ftrace_nmi_exit(void) { }
#endif
#endif /* _LINUX_FTRACE_IRQ_H */

View file

@ -25,7 +25,8 @@ union ktime;
#define FUTEX_WAKE_BITSET 10
#define FUTEX_PRIVATE_FLAG 128
#define FUTEX_CMD_MASK ~FUTEX_PRIVATE_FLAG
#define FUTEX_CLOCK_REALTIME 256
#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG)
#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG)
@ -164,6 +165,8 @@ union futex_key {
} both;
};
#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
#ifdef CONFIG_FUTEX
extern void exit_robust_list(struct task_struct *curr);
extern void exit_pi_state_list(struct task_struct *curr);

View file

@ -21,7 +21,6 @@ struct real_driver {
void (*enable_tx_interrupts) (void *);
void (*disable_rx_interrupts) (void *);
void (*enable_rx_interrupts) (void *);
int (*get_CD) (void *);
void (*shutdown_port) (void*);
int (*set_real_termios) (void*);
int (*chars_in_buffer) (void*);

View file

@ -126,6 +126,7 @@ struct blk_scsi_cmd_filter {
struct disk_part_tbl {
struct rcu_head rcu_head;
int len;
struct hd_struct *last_lookup;
struct hd_struct *part[];
};

View file

@ -4,6 +4,7 @@
#include <linux/preempt.h>
#include <linux/smp_lock.h>
#include <linux/lockdep.h>
#include <linux/ftrace_irq.h>
#include <asm/hardirq.h>
#include <asm/system.h>
@ -118,13 +119,17 @@ static inline void account_system_vtime(struct task_struct *tsk)
}
#endif
#if defined(CONFIG_PREEMPT_RCU) && defined(CONFIG_NO_HZ)
#if defined(CONFIG_NO_HZ) && !defined(CONFIG_CLASSIC_RCU)
extern void rcu_irq_enter(void);
extern void rcu_irq_exit(void);
extern void rcu_nmi_enter(void);
extern void rcu_nmi_exit(void);
#else
# define rcu_irq_enter() do { } while (0)
# define rcu_irq_exit() do { } while (0)
#endif /* CONFIG_PREEMPT_RCU */
# define rcu_nmi_enter() do { } while (0)
# define rcu_nmi_exit() do { } while (0)
#endif /* #if defined(CONFIG_NO_HZ) && !defined(CONFIG_CLASSIC_RCU) */
/*
* It is safe to do non-atomic ops on ->hardirq_context,
@ -134,7 +139,6 @@ extern void rcu_irq_exit(void);
*/
#define __irq_enter() \
do { \
rcu_irq_enter(); \
account_system_vtime(current); \
add_preempt_count(HARDIRQ_OFFSET); \
trace_hardirq_enter(); \
@ -153,7 +157,6 @@ extern void irq_enter(void);
trace_hardirq_exit(); \
account_system_vtime(current); \
sub_preempt_count(HARDIRQ_OFFSET); \
rcu_irq_exit(); \
} while (0)
/*
@ -161,7 +164,20 @@ extern void irq_enter(void);
*/
extern void irq_exit(void);
#define nmi_enter() do { lockdep_off(); __irq_enter(); } while (0)
#define nmi_exit() do { __irq_exit(); lockdep_on(); } while (0)
#define nmi_enter() \
do { \
ftrace_nmi_enter(); \
lockdep_off(); \
rcu_nmi_enter(); \
__irq_enter(); \
} while (0)
#define nmi_exit() \
do { \
__irq_exit(); \
rcu_nmi_exit(); \
lockdep_on(); \
ftrace_nmi_exit(); \
} while (0)
#endif /* LINUX_HARDIRQ_H */

View file

@ -43,7 +43,7 @@ struct hdlc_proto {
};
/* Pointed to by dev->priv */
/* Pointed to by netdev_priv(dev) */
typedef struct hdlc_device {
/* used by HDLC layer to take control over HDLC device from hw driver*/
int (*attach)(struct net_device *dev,
@ -80,7 +80,7 @@ struct net_device *alloc_hdlcdev(void *priv);
static inline struct hdlc_device* dev_to_hdlc(struct net_device *dev)
{
return dev->priv;
return netdev_priv(dev);
}
static __inline__ void debug_frame(const struct sk_buff *skb)

View file

@ -32,7 +32,9 @@ struct hippi_cb {
};
extern __be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev);
extern int hippi_change_mtu(struct net_device *dev, int new_mtu);
extern int hippi_mac_addr(struct net_device *dev, void *p);
extern int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p);
extern struct net_device *alloc_hippi_dev(int sizeof_priv);
#endif

View file

@ -42,26 +42,6 @@ enum hrtimer_restart {
HRTIMER_RESTART, /* Timer must be restarted */
};
/*
* hrtimer callback modes:
*
* HRTIMER_CB_SOFTIRQ: Callback must run in softirq context
* HRTIMER_CB_IRQSAFE_PERCPU: Callback must run in hardirq context
* Special mode for tick emulation and
* scheduler timer. Such timers are per
* cpu and not allowed to be migrated on
* cpu unplug.
* HRTIMER_CB_IRQSAFE_UNLOCKED: Callback should run in hardirq context
* with timer->base lock unlocked
* used for timers which call wakeup to
* avoid lock order problems with rq->lock
*/
enum hrtimer_cb_mode {
HRTIMER_CB_SOFTIRQ,
HRTIMER_CB_IRQSAFE_PERCPU,
HRTIMER_CB_IRQSAFE_UNLOCKED,
};
/*
* Values to track state of the timer
*
@ -70,7 +50,6 @@ enum hrtimer_cb_mode {
* 0x00 inactive
* 0x01 enqueued into rbtree
* 0x02 callback function running
* 0x04 callback pending (high resolution mode)
*
* Special cases:
* 0x03 callback function running and enqueued
@ -92,8 +71,7 @@ enum hrtimer_cb_mode {
#define HRTIMER_STATE_INACTIVE 0x00
#define HRTIMER_STATE_ENQUEUED 0x01
#define HRTIMER_STATE_CALLBACK 0x02
#define HRTIMER_STATE_PENDING 0x04
#define HRTIMER_STATE_MIGRATE 0x08
#define HRTIMER_STATE_MIGRATE 0x04
/**
* struct hrtimer - the basic hrtimer structure
@ -109,8 +87,6 @@ enum hrtimer_cb_mode {
* @function: timer expiry callback function
* @base: pointer to the timer base (per cpu and per clock)
* @state: state information (See bit values above)
* @cb_mode: high resolution timer feature to select the callback execution
* mode
* @cb_entry: list head to enqueue an expired timer into the callback list
* @start_site: timer statistics field to store the site where the timer
* was started
@ -129,7 +105,6 @@ struct hrtimer {
struct hrtimer_clock_base *base;
unsigned long state;
struct list_head cb_entry;
enum hrtimer_cb_mode cb_mode;
#ifdef CONFIG_TIMER_STATS
int start_pid;
void *start_site;
@ -188,15 +163,11 @@ struct hrtimer_clock_base {
* @check_clocks: Indictator, when set evaluate time source and clock
* event devices whether high resolution mode can be
* activated.
* @cb_pending: Expired timers are moved from the rbtree to this
* list in the timer interrupt. The list is processed
* in the softirq.
* @nr_events: Total number of timer interrupt events
*/
struct hrtimer_cpu_base {
spinlock_t lock;
struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES];
struct list_head cb_pending;
#ifdef CONFIG_HIGH_RES_TIMERS
ktime_t expires_next;
int hres_active;
@ -404,8 +375,7 @@ static inline int hrtimer_active(const struct hrtimer *timer)
*/
static inline int hrtimer_is_queued(struct hrtimer *timer)
{
return timer->state &
(HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING);
return timer->state & HRTIMER_STATE_ENQUEUED;
}
/*

View file

@ -32,13 +32,6 @@
# define SUPPORT_VLB_SYNC 1
#endif
/*
* Used to indicate "no IRQ", should be a value that cannot be an IRQ
* number.
*/
#define IDE_NO_IRQ (-1)
typedef unsigned char byte; /* used everywhere */
/*
@ -122,8 +115,6 @@ struct ide_io_ports {
#define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */
#define SECTOR_SIZE 512
#define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t)))
/*
* Timeouts for various operations:
*/
@ -172,9 +163,7 @@ typedef int (ide_ack_intr_t)(struct hwif_s *);
enum { ide_unknown, ide_generic, ide_pci,
ide_cmd640, ide_dtc2278, ide_ali14xx,
ide_qd65xx, ide_umc8672, ide_ht6560b,
ide_rz1000, ide_trm290,
ide_cmd646, ide_cy82c693, ide_4drives,
ide_pmac, ide_acorn,
ide_4drives, ide_pmac, ide_acorn,
ide_au1xxx, ide_palm3710
};
@ -407,6 +396,7 @@ enum {
* This is used for several packet commands (not for READ/WRITE commands).
*/
#define IDE_PC_BUFFER_SIZE 256
#define ATAPI_WAIT_PC (60 * HZ)
struct ide_atapi_pc {
/* actual packet bytes */
@ -484,55 +474,53 @@ enum {
/* ide-cd */
/* Drive cannot eject the disc. */
IDE_AFLAG_NO_EJECT = (1 << 3),
IDE_AFLAG_NO_EJECT = (1 << 1),
/* Drive is a pre ATAPI 1.2 drive. */
IDE_AFLAG_PRE_ATAPI12 = (1 << 4),
IDE_AFLAG_PRE_ATAPI12 = (1 << 2),
/* TOC addresses are in BCD. */
IDE_AFLAG_TOCADDR_AS_BCD = (1 << 5),
IDE_AFLAG_TOCADDR_AS_BCD = (1 << 3),
/* TOC track numbers are in BCD. */
IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 6),
IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 4),
/*
* Drive does not provide data in multiples of SECTOR_SIZE
* when more than one interrupt is needed.
*/
IDE_AFLAG_LIMIT_NFRAMES = (1 << 7),
/* Seeking in progress. */
IDE_AFLAG_SEEKING = (1 << 8),
IDE_AFLAG_LIMIT_NFRAMES = (1 << 5),
/* Saved TOC information is current. */
IDE_AFLAG_TOC_VALID = (1 << 9),
IDE_AFLAG_TOC_VALID = (1 << 6),
/* We think that the drive door is locked. */
IDE_AFLAG_DOOR_LOCKED = (1 << 10),
IDE_AFLAG_DOOR_LOCKED = (1 << 7),
/* SET_CD_SPEED command is unsupported. */
IDE_AFLAG_NO_SPEED_SELECT = (1 << 11),
IDE_AFLAG_VERTOS_300_SSD = (1 << 12),
IDE_AFLAG_VERTOS_600_ESD = (1 << 13),
IDE_AFLAG_SANYO_3CD = (1 << 14),
IDE_AFLAG_FULL_CAPS_PAGE = (1 << 15),
IDE_AFLAG_PLAY_AUDIO_OK = (1 << 16),
IDE_AFLAG_LE_SPEED_FIELDS = (1 << 17),
IDE_AFLAG_NO_SPEED_SELECT = (1 << 8),
IDE_AFLAG_VERTOS_300_SSD = (1 << 9),
IDE_AFLAG_VERTOS_600_ESD = (1 << 10),
IDE_AFLAG_SANYO_3CD = (1 << 11),
IDE_AFLAG_FULL_CAPS_PAGE = (1 << 12),
IDE_AFLAG_PLAY_AUDIO_OK = (1 << 13),
IDE_AFLAG_LE_SPEED_FIELDS = (1 << 14),
/* ide-floppy */
/* Avoid commands not supported in Clik drive */
IDE_AFLAG_CLIK_DRIVE = (1 << 19),
IDE_AFLAG_CLIK_DRIVE = (1 << 15),
/* Requires BH algorithm for packets */
IDE_AFLAG_ZIP_DRIVE = (1 << 20),
IDE_AFLAG_ZIP_DRIVE = (1 << 16),
/* Supports format progress report */
IDE_AFLAG_SRFP = (1 << 22),
IDE_AFLAG_SRFP = (1 << 17),
/* ide-tape */
IDE_AFLAG_IGNORE_DSC = (1 << 23),
IDE_AFLAG_IGNORE_DSC = (1 << 18),
/* 0 When the tape position is unknown */
IDE_AFLAG_ADDRESS_VALID = (1 << 24),
IDE_AFLAG_ADDRESS_VALID = (1 << 19),
/* Device already opened */
IDE_AFLAG_BUSY = (1 << 25),
IDE_AFLAG_BUSY = (1 << 20),
/* Attempt to auto-detect the current user block size */
IDE_AFLAG_DETECT_BS = (1 << 26),
IDE_AFLAG_DETECT_BS = (1 << 21),
/* Currently on a filemark */
IDE_AFLAG_FILEMARK = (1 << 27),
IDE_AFLAG_FILEMARK = (1 << 22),
/* 0 = no tape is loaded, so we don't rewind after ejecting */
IDE_AFLAG_MEDIUM_PRESENT = (1 << 28),
IDE_AFLAG_MEDIUM_PRESENT = (1 << 23),
IDE_AFLAG_NO_AUTOCLOSE = (1 << 29),
IDE_AFLAG_NO_AUTOCLOSE = (1 << 24),
};
/* device flags */
@ -571,28 +559,26 @@ enum {
IDE_DFLAG_NODMA = (1 << 16),
/* powermanagment told us not to do anything, so sleep nicely */
IDE_DFLAG_BLOCKED = (1 << 17),
/* ide-scsi emulation */
IDE_DFLAG_SCSI = (1 << 18),
/* sleeping & sleep field valid */
IDE_DFLAG_SLEEPING = (1 << 19),
IDE_DFLAG_POST_RESET = (1 << 20),
IDE_DFLAG_UDMA33_WARNED = (1 << 21),
IDE_DFLAG_LBA48 = (1 << 22),
IDE_DFLAG_SLEEPING = (1 << 18),
IDE_DFLAG_POST_RESET = (1 << 19),
IDE_DFLAG_UDMA33_WARNED = (1 << 20),
IDE_DFLAG_LBA48 = (1 << 21),
/* status of write cache */
IDE_DFLAG_WCACHE = (1 << 23),
IDE_DFLAG_WCACHE = (1 << 22),
/* used for ignoring ATA_DF */
IDE_DFLAG_NOWERR = (1 << 24),
IDE_DFLAG_NOWERR = (1 << 23),
/* retrying in PIO */
IDE_DFLAG_DMA_PIO_RETRY = (1 << 25),
IDE_DFLAG_LBA = (1 << 26),
IDE_DFLAG_DMA_PIO_RETRY = (1 << 24),
IDE_DFLAG_LBA = (1 << 25),
/* don't unload heads */
IDE_DFLAG_NO_UNLOAD = (1 << 27),
IDE_DFLAG_NO_UNLOAD = (1 << 26),
/* heads unloaded, please don't reset port */
IDE_DFLAG_PARKED = (1 << 28),
IDE_DFLAG_MEDIA_CHANGED = (1 << 29),
IDE_DFLAG_PARKED = (1 << 27),
IDE_DFLAG_MEDIA_CHANGED = (1 << 28),
/* write protect */
IDE_DFLAG_WP = (1 << 30),
IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 31),
IDE_DFLAG_WP = (1 << 29),
IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30),
};
struct ide_drive_s {
@ -616,8 +602,6 @@ struct ide_drive_s {
unsigned long dev_flags;
unsigned long sleep; /* sleep until this time */
unsigned long service_start; /* time we started last request */
unsigned long service_time; /* service time of last request */
unsigned long timeout; /* max time to wait for irq */
special_t special; /* special action flags */
@ -845,8 +829,6 @@ typedef struct hwif_s {
unsigned extra_ports; /* number of extra dma ports */
unsigned present : 1; /* this interface exists */
unsigned serialized : 1; /* serialized all channel operation */
unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */
unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
struct device gendev;
@ -887,8 +869,6 @@ typedef struct hwgroup_s {
/* BOOL: protects all fields below */
volatile int busy;
/* BOOL: wake us up on timer expiry */
unsigned int sleeping : 1;
/* BOOL: polling active & poll_timeout field valid */
unsigned int polling : 1;
@ -909,6 +889,8 @@ typedef struct hwgroup_s {
int req_gen;
int req_gen_timer;
spinlock_t lock;
} ide_hwgroup_t;
typedef struct ide_driver_s ide_driver_t;
@ -1122,6 +1104,14 @@ enum {
IDE_PM_COMPLETED,
};
int generic_ide_suspend(struct device *, pm_message_t);
int generic_ide_resume(struct device *);
void ide_complete_power_step(ide_drive_t *, struct request *);
ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
void ide_complete_pm_request(ide_drive_t *, struct request *);
void ide_check_pm_state(ide_drive_t *, struct request *);
/*
* Subdrivers support.
*
@ -1256,14 +1246,11 @@ int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
void ide_retry_pc(ide_drive_t *, struct gendisk *);
static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc)
{
return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
}
int ide_cd_expiry(ide_drive_t *);
int ide_scsi_expiry(ide_drive_t *);
int ide_cd_get_xferlen(struct request *);
ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *);
ide_startstop_t ide_issue_pc(ide_drive_t *);
ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
@ -1285,6 +1272,26 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
extern void ide_timer_expiry(unsigned long);
extern irqreturn_t ide_intr(int irq, void *dev_id);
static inline int ide_lock_hwgroup(ide_hwgroup_t *hwgroup)
{
if (hwgroup->busy)
return 1;
hwgroup->busy = 1;
/* for atari only */
ide_get_lock(ide_intr, hwgroup);
return 0;
}
static inline void ide_unlock_hwgroup(ide_hwgroup_t *hwgroup)
{
/* for atari only */
ide_release_lock();
hwgroup->busy = 0;
}
extern void do_ide_request(struct request_queue *);
void ide_init_disk(struct gendisk *, ide_drive_t *);
@ -1376,8 +1383,8 @@ enum {
IDE_HFLAG_LEGACY_IRQS = (1 << 21),
/* force use of legacy IRQs */
IDE_HFLAG_FORCE_LEGACY_IRQS = (1 << 22),
/* limit LBA48 requests to 256 sectors */
IDE_HFLAG_RQSIZE_256 = (1 << 23),
/* host is TRM290 */
IDE_HFLAG_TRM290 = (1 << 23),
/* use 32-bit I/O ops */
IDE_HFLAG_IO_32BIT = (1 << 24),
/* unmask IRQs */
@ -1415,6 +1422,9 @@ struct ide_port_info {
ide_pci_enablebit_t enablebits[2];
hwif_chipset_t chipset;
u16 max_sectors; /* if < than the default one */
u32 host_flags;
u8 pio_mask;
u8 swdma_mask;
@ -1528,6 +1538,7 @@ void ide_unregister_region(struct gendisk *);
void ide_undecoded_slave(ide_drive_t *);
void ide_port_apply_params(ide_hwif_t *);
int ide_sysfs_register_port(ide_hwif_t *);
struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
void ide_host_free(struct ide_host *);
@ -1610,18 +1621,21 @@ extern struct mutex ide_cfg_mtx;
/*
* Structure locking:
*
* ide_cfg_mtx and ide_lock together protect changes to
* ide_hwif_t->{next,hwgroup}
* ide_cfg_mtx and hwgroup->lock together protect changes to
* ide_hwif_t->next
* ide_drive_t->next
*
* ide_hwgroup_t->busy: ide_lock
* ide_hwgroup_t->hwif: ide_lock
* ide_hwif_t->mate: constant, no locking
* ide_hwgroup_t->busy: hwgroup->lock
* ide_hwgroup_t->hwif: hwgroup->lock
* ide_hwif_t->{hwgroup,mate}: constant, no locking
* ide_drive_t->hwif: constant, no locking
*/
#define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
char *ide_media_string(ide_drive_t *);
extern struct device_attribute ide_dev_attrs[];
extern struct bus_type ide_bus_type;
extern struct class *ide_port_class;

View file

@ -12,8 +12,8 @@
* published by the Free Software Foundation.
*/
#ifndef IEEE80211_H
#define IEEE80211_H
#ifndef LINUX_IEEE80211_H
#define LINUX_IEEE80211_H
#include <linux/types.h>
#include <asm/byteorder.h>
@ -97,7 +97,10 @@
#define IEEE80211_MAX_FRAME_LEN 2352
#define IEEE80211_MAX_SSID_LEN 32
#define IEEE80211_MAX_MESH_ID_LEN 32
#define IEEE80211_MESH_CONFIG_LEN 19
#define IEEE80211_QOS_CTL_LEN 2
#define IEEE80211_QOS_CTL_TID_MASK 0x000F
#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
@ -666,6 +669,13 @@ struct ieee80211_cts {
u8 ra[6];
} __attribute__ ((packed));
struct ieee80211_pspoll {
__le16 frame_control;
__le16 aid;
u8 bssid[6];
u8 ta[6];
} __attribute__ ((packed));
/**
* struct ieee80211_bar - HT Block Ack Request
*
@ -685,28 +695,88 @@ struct ieee80211_bar {
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
#define IEEE80211_HT_MCS_MASK_LEN 10
/**
* struct ieee80211_mcs_info - MCS information
* @rx_mask: RX mask
* @rx_highest: highest supported RX rate
* @tx_params: TX parameters
*/
struct ieee80211_mcs_info {
u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
__le16 rx_highest;
u8 tx_params;
u8 reserved[3];
} __attribute__((packed));
/* 802.11n HT capability MSC set */
#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
#define IEEE80211_HT_MCS_TX_DEFINED 0x01
#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
/* value 0 == 1 stream etc */
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
/*
* 802.11n D5.0 20.3.5 / 20.6 says:
* - indices 0 to 7 and 32 are single spatial stream
* - 8 to 31 are multiple spatial streams using equal modulation
* [8..15 for two streams, 16..23 for three and 24..31 for four]
* - remainder are multiple spatial streams using unequal modulation
*/
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
/**
* struct ieee80211_ht_cap - HT capabilities
*
* This structure refers to "HT capabilities element" as
* described in 802.11n draft section 7.3.2.52
* This structure is the "HT capabilities element" as
* described in 802.11n D5.0 7.3.2.57
*/
struct ieee80211_ht_cap {
__le16 cap_info;
u8 ampdu_params_info;
u8 supp_mcs_set[16];
/* 16 bytes MCS information */
struct ieee80211_mcs_info mcs;
__le16 extended_ht_cap_info;
__le32 tx_BF_cap_info;
u8 antenna_selection_info;
} __attribute__ ((packed));
/* 802.11n HT capabilities masks (for cap_info) */
#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
#define IEEE80211_HT_CAP_SM_PS 0x000C
#define IEEE80211_HT_CAP_GRN_FLD 0x0010
#define IEEE80211_HT_CAP_SGI_20 0x0020
#define IEEE80211_HT_CAP_SGI_40 0x0040
#define IEEE80211_HT_CAP_TX_STBC 0x0080
#define IEEE80211_HT_CAP_RX_STBC 0x0300
#define IEEE80211_HT_CAP_DELAY_BA 0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
#define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
/**
* struct ieee80211_ht_cap - HT additional information
* struct ieee80211_ht_info - HT information
*
* This structure refers to "HT information element" as
* described in 802.11n draft section 7.3.2.53
* This structure is the "HT information element" as
* described in 802.11n D5.0 7.3.2.58
*/
struct ieee80211_ht_addt_info {
struct ieee80211_ht_info {
u8 control_chan;
u8 ht_param;
__le16 operation_mode;
@ -714,36 +784,33 @@ struct ieee80211_ht_addt_info {
u8 basic_set[16];
} __attribute__ ((packed));
/* 802.11n HT capabilities masks */
#define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
#define IEEE80211_HT_CAP_SM_PS 0x000C
#define IEEE80211_HT_CAP_GRN_FLD 0x0010
#define IEEE80211_HT_CAP_SGI_20 0x0020
#define IEEE80211_HT_CAP_SGI_40 0x0040
#define IEEE80211_HT_CAP_DELAY_BA 0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
/* 802.11n HT capability AMPDU settings */
#define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
#define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
/* 802.11n HT capability MSC set */
#define IEEE80211_SUPP_MCS_SET_UEQM 4
#define IEEE80211_HT_CAP_MAX_STREAMS 4
#define IEEE80211_SUPP_MCS_SET_LEN 10
/* maximum streams the spec allows */
#define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01
#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02
#define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C
#define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
/* 802.11n HT IE masks */
#define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
#define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
#define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
#define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
#define IEEE80211_HT_IE_CHA_WIDTH 0x04
#define IEEE80211_HT_IE_HT_PROTECTION 0x0003
#define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
#define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
/* for ht_param */
#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
/* for operation_mode */
#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
/* for stbc_param */
#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
@ -769,7 +836,6 @@ struct ieee80211_ht_addt_info {
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_FAST_BSS_TRANSITION 2
#define WLAN_AUTH_LEAP 128
#define WLAN_AUTH_CHALLENGE_LEN 128
@ -949,7 +1015,7 @@ enum ieee80211_eid {
WLAN_EID_EXT_SUPP_RATES = 50,
/* 802.11n */
WLAN_EID_HT_CAPABILITY = 45,
WLAN_EID_HT_EXTRA_INFO = 61,
WLAN_EID_HT_INFORMATION = 61,
/* 802.11i */
WLAN_EID_RSN = 48,
WLAN_EID_WPA = 221,
@ -976,6 +1042,68 @@ enum ieee80211_spectrum_mgmt_actioncode {
WLAN_ACTION_SPCT_CHL_SWITCH = 4,
};
/*
* IEEE 802.11-2007 7.3.2.9 Country information element
*
* Minimum length is 8 octets, ie len must be evenly
* divisible by 2
*/
/* Although the spec says 8 I'm seeing 6 in practice */
#define IEEE80211_COUNTRY_IE_MIN_LEN 6
/*
* For regulatory extension stuff see IEEE 802.11-2007
* Annex I (page 1141) and Annex J (page 1147). Also
* review 7.3.2.9.
*
* When dot11RegulatoryClassesRequired is true and the
* first_channel/reg_extension_id is >= 201 then the IE
* compromises of the 'ext' struct represented below:
*
* - Regulatory extension ID - when generating IE this just needs
* to be monotonically increasing for each triplet passed in
* the IE
* - Regulatory class - index into set of rules
* - Coverage class - index into air propagation time (Table 7-27),
* in microseconds, you can compute the air propagation time from
* the index by multiplying by 3, so index 10 yields a propagation
* of 10 us. Valid values are 0-31, values 32-255 are not defined
* yet. A value of 0 inicates air propagation of <= 1 us.
*
* See also Table I.2 for Emission limit sets and table
* I.3 for Behavior limit sets. Table J.1 indicates how to map
* a reg_class to an emission limit set and behavior limit set.
*/
#define IEEE80211_COUNTRY_EXTENSION_ID 201
/*
* Channels numbers in the IE must be monotonically increasing
* if dot11RegulatoryClassesRequired is not true.
*
* If dot11RegulatoryClassesRequired is true consecutive
* subband triplets following a regulatory triplet shall
* have monotonically increasing first_channel number fields.
*
* Channel numbers shall not overlap.
*
* Note that max_power is signed.
*/
struct ieee80211_country_ie_triplet {
union {
struct {
u8 first_channel;
u8 num_channels;
s8 max_power;
} __attribute__ ((packed)) chans;
struct {
u8 reg_extension_id;
u8 reg_class;
u8 coverage_class;
} __attribute__ ((packed)) ext;
};
} __attribute__ ((packed));
/* BACK action code */
enum ieee80211_back_actioncode {
WLAN_ACTION_ADDBA_REQ = 0,
@ -1057,4 +1185,4 @@ static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
return hdr->addr1;
}
#endif /* IEEE80211_H */
#endif /* LINUX_IEEE80211_H */

View file

@ -65,6 +65,7 @@
#define IFF_BONDING 0x20 /* bonding master or slave */
#define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
#define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */
#define IF_GET_IFACE 0x0001 /* for querying only */
#define IF_GET_PROTO 0x0002

View file

@ -87,6 +87,9 @@
#define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */
#define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */
#define ARPHRD_PHONET 820 /* PhoNet media type */
#define ARPHRD_PHONET_PIPE 821 /* PhoNet pipe header */
#define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */
#define ARPHRD_NONE 0xFFFE /* zero header length */

View file

@ -80,6 +80,10 @@ struct in_addr {
/* BSD compatibility */
#define IP_RECVRETOPTS IP_RETOPTS
/* TProxy original addresses */
#define IP_ORIGDSTADDR 20
#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
/* IP_MTU_DISCOVER values */
#define IP_PMTUDISC_DONT 0 /* Never send DF frames */
#define IP_PMTUDISC_WANT 1 /* Use per route hints */

View file

@ -12,6 +12,7 @@
#include <net/net_namespace.h>
extern struct files_struct init_files;
extern struct fs_struct init_fs;
#define INIT_KIOCTX(name, which_mm) \
{ \
@ -57,7 +58,6 @@ extern struct nsproxy init_nsproxy;
.mnt_ns = NULL, \
INIT_NET_NS(net_ns) \
INIT_IPC_NS(ipc_ns) \
.user_ns = &init_user_ns, \
}
#define INIT_SIGHAND(sighand) { \
@ -113,6 +113,8 @@ extern struct group_info init_groups;
# define CAP_INIT_BSET CAP_INIT_EFF_SET
#endif
extern struct cred init_cred;
/*
* INIT_TASK is used to set up the first task table, touch at
* your own risk!. Base=0, limit=0x1fffff (=2MB)
@ -147,13 +149,10 @@ extern struct group_info init_groups;
.children = LIST_HEAD_INIT(tsk.children), \
.sibling = LIST_HEAD_INIT(tsk.sibling), \
.group_leader = &tsk, \
.group_info = &init_groups, \
.cap_effective = CAP_INIT_EFF_SET, \
.cap_inheritable = CAP_INIT_INH_SET, \
.cap_permitted = CAP_FULL_SET, \
.cap_bset = CAP_INIT_BSET, \
.securebits = SECUREBITS_DEFAULT, \
.user = INIT_USER, \
.real_cred = &init_cred, \
.cred = &init_cred, \
.cred_exec_mutex = \
__MUTEX_INITIALIZER(tsk.cred_exec_mutex), \
.comm = "swapper", \
.thread = INIT_THREAD, \
.fs = &init_fs, \

View file

@ -659,6 +659,8 @@ struct input_absinfo {
#define SW_RADIO SW_RFKILL_ALL /* deprecated */
#define SW_MICROPHONE_INSERT 0x04 /* set = inserted */
#define SW_DOCK 0x05 /* set = plugged into dock */
#define SW_LINEOUT_INSERT 0x06 /* set = inserted */
#define SW_JACK_PHYSICAL_INSERT 0x07 /* set = mechanical switch set */
#define SW_MAX 0x0f
#define SW_CNT (SW_MAX+1)

View file

@ -23,8 +23,6 @@
#define _INTEL_IOMMU_H_
#include <linux/types.h>
#include <linux/msi.h>
#include <linux/sysdev.h>
#include <linux/iova.h>
#include <linux/io.h>
#include <linux/dma_remapping.h>
@ -289,10 +287,10 @@ struct intel_iommu {
void __iomem *reg; /* Pointer to hardware regs, virtual addr */
u64 cap;
u64 ecap;
int seg;
u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */
spinlock_t register_lock; /* protect register handling */
int seq_id; /* sequence id of the iommu */
int agaw; /* agaw of this iommu */
#ifdef CONFIG_DMAR
unsigned long *domain_ids; /* bitmap of domains */
@ -302,8 +300,6 @@ struct intel_iommu {
unsigned int irq;
unsigned char name[7]; /* Device Name */
struct msi_msg saved_msg;
struct sys_device sysdev;
struct iommu_flush flush;
#endif
struct q_inval *qi; /* Queued invalidation info */
@ -334,25 +330,6 @@ extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
void intel_iommu_domain_exit(struct dmar_domain *domain);
struct dmar_domain *intel_iommu_domain_alloc(struct pci_dev *pdev);
int intel_iommu_context_mapping(struct dmar_domain *domain,
struct pci_dev *pdev);
int intel_iommu_page_mapping(struct dmar_domain *domain, dma_addr_t iova,
u64 hpa, size_t size, int prot);
void intel_iommu_detach_dev(struct dmar_domain *domain, u8 bus, u8 devfn);
struct dmar_domain *intel_iommu_find_domain(struct pci_dev *pdev);
u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova);
#ifdef CONFIG_DMAR
int intel_iommu_found(void);
#else /* CONFIG_DMAR */
static inline int intel_iommu_found(void)
{
return 0;
}
#endif /* CONFIG_DMAR */
extern void *intel_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t);
extern void intel_free_coherent(struct device *, size_t, void *, dma_addr_t);
extern dma_addr_t intel_map_single(struct device *, phys_addr_t, size_t, int);

View file

@ -14,6 +14,8 @@
#include <linux/irqflags.h>
#include <linux/smp.h>
#include <linux/percpu.h>
#include <linux/irqnr.h>
#include <asm/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
@ -107,15 +109,15 @@ extern void enable_irq(unsigned int irq);
#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_HARDIRQS)
extern cpumask_t irq_default_affinity;
extern cpumask_var_t irq_default_affinity;
extern int irq_set_affinity(unsigned int irq, cpumask_t cpumask);
extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask);
extern int irq_can_set_affinity(unsigned int irq);
extern int irq_select_affinity(unsigned int irq);
#else /* CONFIG_SMP */
static inline int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m)
{
return -EINVAL;
}
@ -251,9 +253,6 @@ enum
BLOCK_SOFTIRQ,
TASKLET_SOFTIRQ,
SCHED_SOFTIRQ,
#ifdef CONFIG_HIGH_RES_TIMERS
HRTIMER_SOFTIRQ,
#endif
RCU_SOFTIRQ, /* Preferable RCU should always be the last softirq */
NR_SOFTIRQS
@ -465,4 +464,10 @@ static inline void init_irq_proc(void)
int show_interrupts(struct seq_file *p, void *v);
struct irq_desc;
extern int early_irq_init(void);
extern int arch_early_irq_init(void);
extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
#endif

112
include/linux/iommu.h Normal file
View file

@ -0,0 +1,112 @@
/*
* Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
* Author: Joerg Roedel <joerg.roedel@amd.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LINUX_IOMMU_H
#define __LINUX_IOMMU_H
#define IOMMU_READ (1)
#define IOMMU_WRITE (2)
struct device;
struct iommu_domain {
void *priv;
};
struct iommu_ops {
int (*domain_init)(struct iommu_domain *domain);
void (*domain_destroy)(struct iommu_domain *domain);
int (*attach_dev)(struct iommu_domain *domain, struct device *dev);
void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
int (*map)(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot);
void (*unmap)(struct iommu_domain *domain, unsigned long iova,
size_t size);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain,
unsigned long iova);
};
#ifdef CONFIG_IOMMU_API
extern void register_iommu(struct iommu_ops *ops);
extern bool iommu_found(void);
extern struct iommu_domain *iommu_domain_alloc(void);
extern void iommu_domain_free(struct iommu_domain *domain);
extern int iommu_attach_device(struct iommu_domain *domain,
struct device *dev);
extern void iommu_detach_device(struct iommu_domain *domain,
struct device *dev);
extern int iommu_map_range(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot);
extern void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova,
size_t size);
extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
unsigned long iova);
#else /* CONFIG_IOMMU_API */
static inline void register_iommu(struct iommu_ops *ops)
{
}
static inline bool iommu_found(void)
{
return false;
}
static inline struct iommu_domain *iommu_domain_alloc(void)
{
return NULL;
}
static inline void iommu_domain_free(struct iommu_domain *domain)
{
}
static inline int iommu_attach_device(struct iommu_domain *domain,
struct device *dev)
{
return -ENODEV;
}
static inline void iommu_detach_device(struct iommu_domain *domain,
struct device *dev)
{
}
static inline int iommu_map_range(struct iommu_domain *domain,
unsigned long iova, phys_addr_t paddr,
size_t size, int prot)
{
return -ENODEV;
}
static inline void iommu_unmap_range(struct iommu_domain *domain,
unsigned long iova, size_t size)
{
}
static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
unsigned long iova)
{
return 0;
}
#endif /* CONFIG_IOMMU_API */
#endif /* __LINUX_IOMMU_H */

View file

@ -278,6 +278,7 @@ struct ipv6_pinfo {
struct in6_addr saddr;
struct in6_addr rcv_saddr;
struct in6_addr daddr;
struct in6_pktinfo sticky_pktinfo;
struct in6_addr *daddr_cache;
#ifdef CONFIG_IPV6_SUBTREES
struct in6_addr *saddr_cache;

View file

@ -113,7 +113,8 @@ struct irq_chip {
void (*eoi)(unsigned int irq);
void (*end)(unsigned int irq);
void (*set_affinity)(unsigned int irq, cpumask_t dest);
void (*set_affinity)(unsigned int irq,
const struct cpumask *dest);
int (*retrigger)(unsigned int irq);
int (*set_type)(unsigned int irq, unsigned int flow_type);
int (*set_wake)(unsigned int irq, unsigned int on);
@ -129,9 +130,14 @@ struct irq_chip {
const char *typename;
};
struct timer_rand_state;
struct irq_2_iommu;
/**
* struct irq_desc - interrupt descriptor
* @irq: interrupt number for this descriptor
* @timer_rand_state: pointer to timer rand state struct
* @kstat_irqs: irq stats per cpu
* @irq_2_iommu: iommu with this irq
* @handle_irq: highlevel irq-events handler [if NULL, __do_IRQ()]
* @chip: low level interrupt hardware access
* @msi_desc: MSI descriptor
@ -143,8 +149,8 @@ struct irq_chip {
* @depth: disable-depth, for nested irq_disable() calls
* @wake_depth: enable depth, for multiple set_irq_wake() callers
* @irq_count: stats field to detect stalled irqs
* @irqs_unhandled: stats field for spurious unhandled interrupts
* @last_unhandled: aging timer for unhandled count
* @irqs_unhandled: stats field for spurious unhandled interrupts
* @lock: locking for SMP
* @affinity: IRQ affinity on SMP
* @cpu: cpu index useful for balancing
@ -154,6 +160,13 @@ struct irq_chip {
*/
struct irq_desc {
unsigned int irq;
#ifdef CONFIG_SPARSE_IRQ
struct timer_rand_state *timer_rand_state;
unsigned int *kstat_irqs;
# ifdef CONFIG_INTR_REMAP
struct irq_2_iommu *irq_2_iommu;
# endif
#endif
irq_flow_handler_t handle_irq;
struct irq_chip *chip;
struct msi_desc *msi_desc;
@ -165,8 +178,8 @@ struct irq_desc {
unsigned int depth; /* nested irq disables */
unsigned int wake_depth; /* nested wake enables */
unsigned int irq_count; /* For detecting broken IRQs */
unsigned int irqs_unhandled;
unsigned long last_unhandled; /* Aging timer for unhandled count */
unsigned int irqs_unhandled;
spinlock_t lock;
#ifdef CONFIG_SMP
cpumask_t affinity;
@ -181,12 +194,32 @@ struct irq_desc {
const char *name;
} ____cacheline_internodealigned_in_smp;
extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
struct irq_desc *desc, int cpu);
extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
#ifndef CONFIG_SPARSE_IRQ
extern struct irq_desc irq_desc[NR_IRQS];
#else /* CONFIG_SPARSE_IRQ */
extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
static inline struct irq_desc *irq_to_desc(unsigned int irq)
#define kstat_irqs_this_cpu(DESC) \
((DESC)->kstat_irqs[smp_processor_id()])
#define kstat_incr_irqs_this_cpu(irqno, DESC) \
((DESC)->kstat_irqs[smp_processor_id()]++)
#endif /* CONFIG_SPARSE_IRQ */
extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
static inline struct irq_desc *
irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)
{
return (irq < nr_irqs) ? irq_desc + irq : NULL;
#ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
return irq_to_desc(irq);
#else
return desc;
#endif
}
/*
@ -380,6 +413,11 @@ extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
#define get_irq_data(irq) (irq_to_desc(irq)->handler_data)
#define get_irq_msi(irq) (irq_to_desc(irq)->msi_desc)
#define get_irq_desc_chip(desc) ((desc)->chip)
#define get_irq_desc_chip_data(desc) ((desc)->chip_data)
#define get_irq_desc_data(desc) ((desc)->handler_data)
#define get_irq_desc_msi(desc) ((desc)->msi_desc)
#endif /* CONFIG_GENERIC_HARDIRQS */
#endif /* !CONFIG_S390 */

View file

@ -1,24 +1,41 @@
#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H
/*
* Generic irq_desc iterators:
*/
#ifdef __KERNEL__
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
# define nr_irqs NR_IRQS
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
#else
extern int nr_irqs;
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1; irq >= 0; irq--)
#else /* CONFIG_GENERIC_HARDIRQS */
extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
irq++, desc = irq_to_desc(irq)) \
if (desc)
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
irq >= 0; irq--, desc--)
#endif
for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
irq--, desc = irq_to_desc(irq)) \
if (desc)
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif /* __KERNEL__ */
#endif

View file

@ -59,9 +59,7 @@ struct stliport {
unsigned int devnr;
int baud_base;
int custom_divisor;
int close_delay;
int closing_wait;
int openwaitcnt;
int rc;
int argsize;
void *argp;

View file

@ -115,10 +115,20 @@ static inline u64 get_jiffies_64(void)
((long)(a) - (long)(b) >= 0))
#define time_before_eq(a,b) time_after_eq(b,a)
/*
* Calculate whether a is in the range of [b, c].
*/
#define time_in_range(a,b,c) \
(time_after_eq(a,b) && \
time_before_eq(a,c))
/*
* Calculate whether a is in the range of [b, c).
*/
#define time_in_range_open(a,b,c) \
(time_after_eq(a,b) && \
time_before(a,c))
/* Same as above, but does so with platform independent 64bit types.
* These must be used when utilizing jiffies_64 (i.e. return value of
* get_jiffies_64() */

View file

@ -141,6 +141,15 @@ extern int _cond_resched(void);
(__x < 0) ? -__x : __x; \
})
#ifdef CONFIG_PROVE_LOCKING
void might_fault(void);
#else
static inline void might_fault(void)
{
might_sleep();
}
#endif
extern struct atomic_notifier_head panic_notifier_list;
extern long (*panic_blink)(long time);
NORET_TYPE void panic(const char * fmt, ...)
@ -188,6 +197,8 @@ extern unsigned long long memparse(const char *ptr, char **retptr);
extern int core_kernel_text(unsigned long addr);
extern int __kernel_text_address(unsigned long addr);
extern int kernel_text_address(unsigned long addr);
extern int func_ptr_is_kernel_text(void *ptr);
struct pid;
extern struct pid *session_of_pgrp(struct pid *pgrp);
@ -361,18 +372,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
((unsigned char *)&addr)[3]
#define NIPQUAD_FMT "%u.%u.%u.%u"
#define NIP6(addr) \
ntohs((addr).s6_addr16[0]), \
ntohs((addr).s6_addr16[1]), \
ntohs((addr).s6_addr16[2]), \
ntohs((addr).s6_addr16[3]), \
ntohs((addr).s6_addr16[4]), \
ntohs((addr).s6_addr16[5]), \
ntohs((addr).s6_addr16[6]), \
ntohs((addr).s6_addr16[7])
#define NIP6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
#define NIP6_SEQFMT "%04x%04x%04x%04x%04x%04x%04x%04x"
#if defined(__LITTLE_ENDIAN)
#define HIPQUAD(addr) \
((unsigned char *)&addr)[3], \

View file

@ -28,7 +28,9 @@ struct cpu_usage_stat {
struct kernel_stat {
struct cpu_usage_stat cpustat;
unsigned int irqs[NR_IRQS];
#ifndef CONFIG_SPARSE_IRQ
unsigned int irqs[NR_IRQS];
#endif
};
DECLARE_PER_CPU(struct kernel_stat, kstat);
@ -39,6 +41,10 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
extern unsigned long long nr_context_switches(void);
#ifndef CONFIG_SPARSE_IRQ
#define kstat_irqs_this_cpu(irq) \
(kstat_this_cpu.irqs[irq])
struct irq_desc;
static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
@ -46,11 +52,17 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
{
kstat_this_cpu.irqs[irq]++;
}
#endif
#ifndef CONFIG_SPARSE_IRQ
static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
return kstat_cpu(cpu).irqs[irq];
}
#else
extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
#endif
/*
* Number of interrupts per specific IRQ source, since bootup
@ -67,10 +79,13 @@ static inline unsigned int kstat_irqs(unsigned int irq)
}
extern unsigned long long task_delta_exec(struct task_struct *);
extern void account_user_time(struct task_struct *, cputime_t);
extern void account_user_time_scaled(struct task_struct *, cputime_t);
extern void account_system_time(struct task_struct *, int, cputime_t);
extern void account_system_time_scaled(struct task_struct *, cputime_t);
extern void account_steal_time(struct task_struct *, cputime_t);
extern void account_user_time(struct task_struct *, cputime_t, cputime_t);
extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t);
extern void account_steal_time(cputime_t);
extern void account_idle_time(cputime_t);
extern void account_process_tick(struct task_struct *, int user);
extern void account_steal_ticks(unsigned long ticks);
extern void account_idle_ticks(unsigned long ticks);
#endif /* _LINUX_KERNEL_STAT_H */

View file

@ -100,6 +100,10 @@ struct kimage {
#define KEXEC_TYPE_DEFAULT 0
#define KEXEC_TYPE_CRASH 1
unsigned int preserve_context : 1;
#ifdef ARCH_HAS_KIMAGE_ARCH
struct kimage_arch arch;
#endif
};

View file

@ -1,66 +0,0 @@
/* key-ui.h: key userspace interface stuff
*
* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_KEY_UI_H
#define _LINUX_KEY_UI_H
#include <linux/key.h>
/* the key tree */
extern struct rb_root key_serial_tree;
extern spinlock_t key_serial_lock;
/* required permissions */
#define KEY_VIEW 0x01 /* require permission to view attributes */
#define KEY_READ 0x02 /* require permission to read content */
#define KEY_WRITE 0x04 /* require permission to update / modify */
#define KEY_SEARCH 0x08 /* require permission to search (keyring) or find (key) */
#define KEY_LINK 0x10 /* require permission to link */
#define KEY_SETATTR 0x20 /* require permission to change attributes */
#define KEY_ALL 0x3f /* all the above permissions */
/*
* the keyring payload contains a list of the keys to which the keyring is
* subscribed
*/
struct keyring_list {
struct rcu_head rcu; /* RCU deletion hook */
unsigned short maxkeys; /* max keys this list can hold */
unsigned short nkeys; /* number of keys currently held */
unsigned short delkey; /* key to be unlinked by RCU */
struct key *keys[0];
};
/*
* check to see whether permission is granted to use a key in the desired way
*/
extern int key_task_permission(const key_ref_t key_ref,
struct task_struct *context,
key_perm_t perm);
static inline int key_permission(const key_ref_t key_ref, key_perm_t perm)
{
return key_task_permission(key_ref, current, perm);
}
extern key_ref_t lookup_user_key(struct task_struct *context,
key_serial_t id, int create, int partial,
key_perm_t perm);
extern long join_session_keyring(const char *name);
extern struct key_type *key_type_lookup(const char *type);
extern void key_type_put(struct key_type *ktype);
#define key_negative_timeout 60 /* default timeout on a negative key's existence */
#endif /* _LINUX_KEY_UI_H */

View file

@ -73,6 +73,7 @@ struct key;
struct seq_file;
struct user_struct;
struct signal_struct;
struct cred;
struct key_type;
struct key_owner;
@ -181,7 +182,7 @@ struct key {
extern struct key *key_alloc(struct key_type *type,
const char *desc,
uid_t uid, gid_t gid,
struct task_struct *ctx,
const struct cred *cred,
key_perm_t perm,
unsigned long flags);
@ -249,7 +250,7 @@ extern int key_unlink(struct key *keyring,
struct key *key);
extern struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid,
struct task_struct *ctx,
const struct cred *cred,
unsigned long flags,
struct key *dest);
@ -276,24 +277,11 @@ extern ctl_table key_sysctls[];
/*
* the userspace interface
*/
extern void switch_uid_keyring(struct user_struct *new_user);
extern int copy_keys(unsigned long clone_flags, struct task_struct *tsk);
extern int copy_thread_group_keys(struct task_struct *tsk);
extern void exit_keys(struct task_struct *tsk);
extern void exit_thread_group_keys(struct signal_struct *tg);
extern int suid_keys(struct task_struct *tsk);
extern int exec_keys(struct task_struct *tsk);
extern int install_thread_keyring_to_cred(struct cred *cred);
extern void key_fsuid_changed(struct task_struct *tsk);
extern void key_fsgid_changed(struct task_struct *tsk);
extern void key_init(void);
#define __install_session_keyring(tsk, keyring) \
({ \
struct key *old_session = tsk->signal->session_keyring; \
tsk->signal->session_keyring = keyring; \
old_session; \
})
#else /* CONFIG_KEYS */
#define key_validate(k) 0
@ -302,17 +290,9 @@ extern void key_init(void);
#define key_revoke(k) do { } while(0)
#define key_put(k) do { } while(0)
#define key_ref_put(k) do { } while(0)
#define make_key_ref(k, p) ({ NULL; })
#define key_ref_to_ptr(k) ({ NULL; })
#define make_key_ref(k, p) NULL
#define key_ref_to_ptr(k) NULL
#define is_key_possessed(k) 0
#define switch_uid_keyring(u) do { } while(0)
#define __install_session_keyring(t, k) ({ NULL; })
#define copy_keys(f,t) 0
#define copy_thread_group_keys(t) 0
#define exit_keys(t) do { } while(0)
#define exit_thread_group_keys(tg) do { } while(0)
#define suid_keys(t) do { } while(0)
#define exec_keys(t) do { } while(0)
#define key_fsuid_changed(t) do { } while(0)
#define key_fsgid_changed(t) do { } while(0)
#define key_init() do { } while(0)

View file

@ -1,6 +1,6 @@
/* keyctl.h: keyctl command IDs
*
* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
* Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
@ -20,6 +20,7 @@
#define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */
#define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */
#define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */
#define KEY_SPEC_REQUESTOR_KEYRING -8 /* - key ID for request_key() dest keyring */
/* request-key default keyrings */
#define KEY_REQKEY_DEFL_NO_CHANGE -1
@ -30,6 +31,7 @@
#define KEY_REQKEY_DEFL_USER_KEYRING 4
#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
#define KEY_REQKEY_DEFL_GROUP_KEYRING 6
#define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7
/* keyctl commands */
#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */

View file

@ -83,6 +83,7 @@ struct kvm_irqchip {
#define KVM_EXIT_S390_SIEIC 13
#define KVM_EXIT_S390_RESET 14
#define KVM_EXIT_DCR 15
#define KVM_EXIT_NMI 16
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
@ -387,6 +388,14 @@ struct kvm_trace_rec {
#define KVM_CAP_DEVICE_ASSIGNMENT 17
#endif
#define KVM_CAP_IOMMU 18
#if defined(CONFIG_X86)
#define KVM_CAP_DEVICE_MSI 20
#endif
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#if defined(CONFIG_X86)
#define KVM_CAP_USER_NMI 22
#endif
/*
* ioctls for VM fds
@ -458,6 +467,8 @@ struct kvm_trace_rec {
#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
/* Available with KVM_CAP_NMI */
#define KVM_NMI _IO(KVMIO, 0x9a)
#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
@ -500,10 +511,17 @@ struct kvm_assigned_irq {
__u32 guest_irq;
__u32 flags;
union {
struct {
__u32 addr_lo;
__u32 addr_hi;
__u32 data;
} guest_msi;
__u32 reserved[12];
};
};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI (1 << 0)
#endif

View file

@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <linux/preempt.h>
#include <linux/marker.h>
#include <linux/msi.h>
#include <asm/signal.h>
#include <linux/kvm.h>
@ -306,9 +307,16 @@ struct kvm_assigned_dev_kernel {
int host_busnr;
int host_devfn;
int host_irq;
bool host_irq_disabled;
int guest_irq;
int irq_requested;
struct msi_msg guest_msi;
#define KVM_ASSIGNED_DEV_GUEST_INTX (1 << 0)
#define KVM_ASSIGNED_DEV_GUEST_MSI (1 << 1)
#define KVM_ASSIGNED_DEV_HOST_INTX (1 << 8)
#define KVM_ASSIGNED_DEV_HOST_MSI (1 << 9)
unsigned long irq_requested_type;
int irq_source_id;
int flags;
struct pci_dev *dev;
struct kvm *kvm;
};
@ -316,18 +324,20 @@ void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi);
void kvm_register_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian);
void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian);
void kvm_unregister_irq_ack_notifier(struct kvm_irq_ack_notifier *kian);
int kvm_request_irq_source_id(struct kvm *kvm);
void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
#ifdef CONFIG_DMAR
#ifdef CONFIG_IOMMU_API
int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
unsigned long npages);
int kvm_iommu_map_guest(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev);
int kvm_iommu_map_guest(struct kvm *kvm);
int kvm_iommu_unmap_guest(struct kvm *kvm);
#else /* CONFIG_DMAR */
int kvm_assign_device(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev);
int kvm_deassign_device(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev);
#else /* CONFIG_IOMMU_API */
static inline int kvm_iommu_map_pages(struct kvm *kvm,
gfn_t base_gfn,
unsigned long npages)
@ -335,9 +345,7 @@ static inline int kvm_iommu_map_pages(struct kvm *kvm,
return 0;
}
static inline int kvm_iommu_map_guest(struct kvm *kvm,
struct kvm_assigned_dev_kernel
*assigned_dev)
static inline int kvm_iommu_map_guest(struct kvm *kvm)
{
return -ENODEV;
}
@ -346,7 +354,19 @@ static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
{
return 0;
}
#endif /* CONFIG_DMAR */
static inline int kvm_assign_device(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev)
{
return 0;
}
static inline int kvm_deassign_device(struct kvm *kvm,
struct kvm_assigned_dev_kernel *assigned_dev)
{
return 0;
}
#endif /* CONFIG_IOMMU_API */
static inline void kvm_guest_enter(void)
{

View file

@ -54,9 +54,13 @@ struct lguest_vqconfig {
/* Write command first word is a request. */
enum lguest_req
{
LHREQ_INITIALIZE, /* + base, pfnlimit, pgdir, start */
LHREQ_INITIALIZE, /* + base, pfnlimit, start */
LHREQ_GETDMA, /* No longer used */
LHREQ_IRQ, /* + irq */
LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */
};
/* The alignment to use between consumer and producer parts of vring.
* x86 pagesize for historical reasons. */
#define LGUEST_VRING_ALIGN 4096
#endif /* _LINUX_LGUEST_LAUNCHER */

View file

@ -213,10 +213,11 @@ enum {
ATA_PFLAG_FROZEN = (1 << 2), /* port is frozen */
ATA_PFLAG_RECOVERED = (1 << 3), /* recovery action performed */
ATA_PFLAG_LOADING = (1 << 4), /* boot/loading probe */
ATA_PFLAG_UNLOADING = (1 << 5), /* module is unloading */
ATA_PFLAG_SCSI_HOTPLUG = (1 << 6), /* SCSI hotplug scheduled */
ATA_PFLAG_INITIALIZING = (1 << 7), /* being initialized, don't touch */
ATA_PFLAG_RESETTING = (1 << 8), /* reset in progress */
ATA_PFLAG_UNLOADING = (1 << 9), /* driver is being unloaded */
ATA_PFLAG_UNLOADED = (1 << 10), /* driver is unloaded */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
ATA_PFLAG_PM_PENDING = (1 << 18), /* PM operation pending */
@ -1285,26 +1286,62 @@ static inline int ata_link_active(struct ata_link *link)
return ata_tag_valid(link->active_tag) || link->sactive;
}
extern struct ata_link *__ata_port_next_link(struct ata_port *ap,
struct ata_link *link,
bool dev_only);
/*
* Iterators
*
* ATA_LITER_* constants are used to select link iteration mode and
* ATA_DITER_* device iteration mode.
*
* For a custom iteration directly using ata_{link|dev}_next(), if
* @link or @dev, respectively, is NULL, the first element is
* returned. @dev and @link can be any valid device or link and the
* next element according to the iteration mode will be returned.
* After the last element, NULL is returned.
*/
enum ata_link_iter_mode {
ATA_LITER_EDGE, /* if present, PMP links only; otherwise,
* host link. no slave link */
ATA_LITER_HOST_FIRST, /* host link followed by PMP or slave links */
ATA_LITER_PMP_FIRST, /* PMP links followed by host link,
* slave link still comes after host link */
};
#define __ata_port_for_each_link(link, ap) \
for ((link) = __ata_port_next_link((ap), NULL, false); (link); \
(link) = __ata_port_next_link((ap), (link), false))
enum ata_dev_iter_mode {
ATA_DITER_ENABLED,
ATA_DITER_ENABLED_REVERSE,
ATA_DITER_ALL,
ATA_DITER_ALL_REVERSE,
};
#define ata_port_for_each_link(link, ap) \
for ((link) = __ata_port_next_link((ap), NULL, true); (link); \
(link) = __ata_port_next_link((ap), (link), true))
extern struct ata_link *ata_link_next(struct ata_link *link,
struct ata_port *ap,
enum ata_link_iter_mode mode);
#define ata_link_for_each_dev(dev, link) \
for ((dev) = (link)->device; \
(dev) < (link)->device + ata_link_max_devices(link) || ((dev) = NULL); \
(dev)++)
extern struct ata_device *ata_dev_next(struct ata_device *dev,
struct ata_link *link,
enum ata_dev_iter_mode mode);
#define ata_link_for_each_dev_reverse(dev, link) \
for ((dev) = (link)->device + ata_link_max_devices(link) - 1; \
(dev) >= (link)->device || ((dev) = NULL); (dev)--)
/*
* Shortcut notation for iterations
*
* ata_for_each_link() iterates over each link of @ap according to
* @mode. @link points to the current link in the loop. @link is
* NULL after loop termination. ata_for_each_dev() works the same way
* except that it iterates over each device of @link.
*
* Note that the mode prefixes ATA_{L|D}ITER_ shouldn't need to be
* specified when using the following shorthand notations. Only the
* mode itself (EDGE, HOST_FIRST, ENABLED, etc...) should be
* specified. This not only increases brevity but also makes it
* impossible to use ATA_LITER_* for device iteration or vice-versa.
*/
#define ata_for_each_link(link, ap, mode) \
for ((link) = ata_link_next(NULL, (ap), ATA_LITER_##mode); (link); \
(link) = ata_link_next((link), (ap), ATA_LITER_##mode))
#define ata_for_each_dev(dev, link, mode) \
for ((dev) = ata_dev_next(NULL, (link), ATA_DITER_##mode); (dev); \
(dev) = ata_dev_next((dev), (link), ATA_DITER_##mode))
/**
* ata_ncq_enabled - Test whether NCQ is enabled

View file

@ -64,14 +64,6 @@
name:
#endif
#define KPROBE_ENTRY(name) \
.pushsection .kprobes.text, "ax"; \
ENTRY(name)
#define KPROBE_END(name) \
END(name); \
.popsection
#ifndef END
#define END(name) \
.size name, .-name

View file

@ -0,0 +1,94 @@
#ifndef _LINUX_LIST_NULLS_H
#define _LINUX_LIST_NULLS_H
/*
* Special version of lists, where end of list is not a NULL pointer,
* but a 'nulls' marker, which can have many different values.
* (up to 2^31 different values guaranteed on all platforms)
*
* In the standard hlist, termination of a list is the NULL pointer.
* In this special 'nulls' variant, we use the fact that objects stored in
* a list are aligned on a word (4 or 8 bytes alignment).
* We therefore use the last significant bit of 'ptr' :
* Set to 1 : This is a 'nulls' end-of-list marker (ptr >> 1)
* Set to 0 : This is a pointer to some object (ptr)
*/
struct hlist_nulls_head {
struct hlist_nulls_node *first;
};
struct hlist_nulls_node {
struct hlist_nulls_node *next, **pprev;
};
#define INIT_HLIST_NULLS_HEAD(ptr, nulls) \
((ptr)->first = (struct hlist_nulls_node *) (1UL | (((long)nulls) << 1)))
#define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member)
/**
* ptr_is_a_nulls - Test if a ptr is a nulls
* @ptr: ptr to be tested
*
*/
static inline int is_a_nulls(const struct hlist_nulls_node *ptr)
{
return ((unsigned long)ptr & 1);
}
/**
* get_nulls_value - Get the 'nulls' value of the end of chain
* @ptr: end of chain
*
* Should be called only if is_a_nulls(ptr);
*/
static inline unsigned long get_nulls_value(const struct hlist_nulls_node *ptr)
{
return ((unsigned long)ptr) >> 1;
}
static inline int hlist_nulls_unhashed(const struct hlist_nulls_node *h)
{
return !h->pprev;
}
static inline int hlist_nulls_empty(const struct hlist_nulls_head *h)
{
return is_a_nulls(h->first);
}
static inline void __hlist_nulls_del(struct hlist_nulls_node *n)
{
struct hlist_nulls_node *next = n->next;
struct hlist_nulls_node **pprev = n->pprev;
*pprev = next;
if (!is_a_nulls(next))
next->pprev = pprev;
}
/**
* hlist_nulls_for_each_entry - iterate over list of given type
* @tpos: the type * to use as a loop cursor.
* @pos: the &struct hlist_node to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
*
*/
#define hlist_nulls_for_each_entry(tpos, pos, head, member) \
for (pos = (head)->first; \
(!is_a_nulls(pos)) && \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1;}); \
pos = pos->next)
/**
* hlist_nulls_for_each_entry_from - iterate over a hlist continuing from current point
* @tpos: the type * to use as a loop cursor.
* @pos: the &struct hlist_node to use as a loop cursor.
* @member: the name of the hlist_node within the struct.
*
*/
#define hlist_nulls_for_each_entry_from(tpos, pos, member) \
for (; (!is_a_nulls(pos)) && \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1;}); \
pos = pos->next)
#endif

View file

@ -41,6 +41,7 @@ struct nlmclnt_initdata {
size_t addrlen;
unsigned short protocol;
u32 nfs_version;
int noresvport;
};
/*

View file

@ -49,6 +49,7 @@ struct nlm_host {
unsigned short h_proto; /* transport proto */
unsigned short h_reclaiming : 1,
h_server : 1, /* server side, not client side */
h_noresvport : 1,
h_inuse : 1;
wait_queue_head_t h_gracewait; /* wait while reclaiming */
struct rw_semaphore h_rwsem; /* Reboot recovery lock */
@ -220,7 +221,8 @@ struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap,
const size_t salen,
const unsigned short protocol,
const u32 version,
const char *hostname);
const char *hostname,
int noresvport);
struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
const char *hostname,
const size_t hostname_len);

View file

@ -73,6 +73,8 @@ struct lock_class_key {
struct lockdep_subclass_key subkeys[MAX_LOCKDEP_SUBCLASSES];
};
#define LOCKSTAT_POINTS 4
/*
* The lock-class itself:
*/
@ -119,7 +121,8 @@ struct lock_class {
int name_version;
#ifdef CONFIG_LOCK_STAT
unsigned long contention_point[4];
unsigned long contention_point[LOCKSTAT_POINTS];
unsigned long contending_point[LOCKSTAT_POINTS];
#endif
};
@ -144,6 +147,7 @@ enum bounce_type {
struct lock_class_stats {
unsigned long contention_point[4];
unsigned long contending_point[4];
struct lock_time read_waittime;
struct lock_time write_waittime;
struct lock_time read_holdtime;
@ -165,6 +169,7 @@ struct lockdep_map {
const char *name;
#ifdef CONFIG_LOCK_STAT
int cpu;
unsigned long ip;
#endif
};
@ -309,8 +314,15 @@ extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
extern void lock_release(struct lockdep_map *lock, int nested,
unsigned long ip);
extern void lock_set_subclass(struct lockdep_map *lock, unsigned int subclass,
unsigned long ip);
extern void lock_set_class(struct lockdep_map *lock, const char *name,
struct lock_class_key *key, unsigned int subclass,
unsigned long ip);
static inline void lock_set_subclass(struct lockdep_map *lock,
unsigned int subclass, unsigned long ip)
{
lock_set_class(lock, lock->name, lock->key, subclass, ip);
}
# define INIT_LOCKDEP .lockdep_recursion = 0,
@ -328,6 +340,7 @@ static inline void lockdep_on(void)
# define lock_acquire(l, s, t, r, c, n, i) do { } while (0)
# define lock_release(l, n, i) do { } while (0)
# define lock_set_class(l, n, k, s, i) do { } while (0)
# define lock_set_subclass(l, s, i) do { } while (0)
# define lockdep_init() do { } while (0)
# define lockdep_info() do { } while (0)
@ -356,7 +369,7 @@ struct lock_class_key { };
#ifdef CONFIG_LOCK_STAT
extern void lock_contended(struct lockdep_map *lock, unsigned long ip);
extern void lock_acquired(struct lockdep_map *lock);
extern void lock_acquired(struct lockdep_map *lock, unsigned long ip);
#define LOCK_CONTENDED(_lock, try, lock) \
do { \
@ -364,20 +377,20 @@ do { \
lock_contended(&(_lock)->dep_map, _RET_IP_); \
lock(_lock); \
} \
lock_acquired(&(_lock)->dep_map); \
lock_acquired(&(_lock)->dep_map, _RET_IP_); \
} while (0)
#else /* CONFIG_LOCK_STAT */
#define lock_contended(lockdep_map, ip) do {} while (0)
#define lock_acquired(lockdep_map) do {} while (0)
#define lock_acquired(lockdep_map, ip) do {} while (0)
#define LOCK_CONTENDED(_lock, try, lock) \
lock(_lock)
#endif /* CONFIG_LOCK_STAT */
#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)
#ifdef CONFIG_GENERIC_HARDIRQS
extern void early_init_irq_lock_class(void);
#else
static inline void early_init_irq_lock_class(void)
@ -481,4 +494,22 @@ static inline void print_irqtrace_events(struct task_struct *curr)
# define lock_map_release(l) do { } while (0)
#endif
#ifdef CONFIG_PROVE_LOCKING
# define might_lock(lock) \
do { \
typecheck(struct lockdep_map *, &(lock)->dep_map); \
lock_acquire(&(lock)->dep_map, 0, 0, 0, 2, NULL, _THIS_IP_); \
lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
} while (0)
# define might_lock_read(lock) \
do { \
typecheck(struct lockdep_map *, &(lock)->dep_map); \
lock_acquire(&(lock)->dep_map, 0, 0, 1, 2, NULL, _THIS_IP_); \
lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
} while (0)
#else
# define might_lock(lock) do { } while (0)
# define might_lock_read(lock) do { } while (0)
#endif
#endif /* __LINUX_LOCKDEP_H */

View file

@ -12,6 +12,7 @@
* See the file COPYING for more details.
*/
#include <stdarg.h>
#include <linux/types.h>
struct module;
@ -48,10 +49,28 @@ struct marker {
void (*call)(const struct marker *mdata, void *call_private, ...);
struct marker_probe_closure single;
struct marker_probe_closure *multi;
const char *tp_name; /* Optional tracepoint name */
void *tp_cb; /* Optional tracepoint callback */
} __attribute__((aligned(8)));
#ifdef CONFIG_MARKERS
#define _DEFINE_MARKER(name, tp_name_str, tp_cb, format) \
static const char __mstrtab_##name[] \
__attribute__((section("__markers_strings"))) \
= #name "\0" format; \
static struct marker __mark_##name \
__attribute__((section("__markers"), aligned(8))) = \
{ __mstrtab_##name, &__mstrtab_##name[sizeof(#name)], \
0, 0, marker_probe_cb, { __mark_empty_function, NULL},\
NULL, tp_name_str, tp_cb }
#define DEFINE_MARKER(name, format) \
_DEFINE_MARKER(name, NULL, NULL, format)
#define DEFINE_MARKER_TP(name, tp_name, tp_cb, format) \
_DEFINE_MARKER(name, #tp_name, tp_cb, format)
/*
* Note : the empty asm volatile with read constraint is used here instead of a
* "used" attribute to fix a gcc 4.1.x bug.
@ -65,14 +84,7 @@ struct marker {
*/
#define __trace_mark(generic, name, call_private, format, args...) \
do { \
static const char __mstrtab_##name[] \
__attribute__((section("__markers_strings"))) \
= #name "\0" format; \
static struct marker __mark_##name \
__attribute__((section("__markers"), aligned(8))) = \
{ __mstrtab_##name, &__mstrtab_##name[sizeof(#name)], \
0, 0, marker_probe_cb, \
{ __mark_empty_function, NULL}, NULL }; \
DEFINE_MARKER(name, format); \
__mark_check_format(format, ## args); \
if (unlikely(__mark_##name.state)) { \
(*__mark_##name.call) \
@ -80,14 +92,39 @@ struct marker {
} \
} while (0)
#define __trace_mark_tp(name, call_private, tp_name, tp_cb, format, args...) \
do { \
void __check_tp_type(void) \
{ \
register_trace_##tp_name(tp_cb); \
} \
DEFINE_MARKER_TP(name, tp_name, tp_cb, format); \
__mark_check_format(format, ## args); \
(*__mark_##name.call)(&__mark_##name, call_private, \
## args); \
} while (0)
extern void marker_update_probe_range(struct marker *begin,
struct marker *end);
#define GET_MARKER(name) (__mark_##name)
#else /* !CONFIG_MARKERS */
#define DEFINE_MARKER(name, tp_name, tp_cb, format)
#define __trace_mark(generic, name, call_private, format, args...) \
__mark_check_format(format, ## args)
#define __trace_mark_tp(name, call_private, tp_name, tp_cb, format, args...) \
do { \
void __check_tp_type(void) \
{ \
register_trace_##tp_name(tp_cb); \
} \
__mark_check_format(format, ## args); \
} while (0)
static inline void marker_update_probe_range(struct marker *begin,
struct marker *end)
{ }
#define GET_MARKER(name)
#endif /* CONFIG_MARKERS */
/**
@ -116,6 +153,20 @@ static inline void marker_update_probe_range(struct marker *begin,
#define _trace_mark(name, format, args...) \
__trace_mark(1, name, NULL, format, ## args)
/**
* trace_mark_tp - Marker in a tracepoint callback
* @name: marker name, not quoted.
* @tp_name: tracepoint name, not quoted.
* @tp_cb: tracepoint callback. Should have an associated global symbol so it
* is not optimized away by the compiler (should not be static).
* @format: format string
* @args...: variable argument list
*
* Places a marker in a tracepoint callback.
*/
#define trace_mark_tp(name, tp_name, tp_cb, format, args...) \
__trace_mark_tp(name, NULL, tp_name, tp_cb, format, ## args)
/**
* MARK_NOARGS - Format string for a marker with no argument.
*/
@ -136,8 +187,6 @@ extern marker_probe_func __mark_empty_function;
extern void marker_probe_cb(const struct marker *mdata,
void *call_private, ...);
extern void marker_probe_cb_noarg(const struct marker *mdata,
void *call_private, ...);
/*
* Connect a probe to a marker.
@ -162,8 +211,10 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
/*
* marker_synchronize_unregister must be called between the last marker probe
* unregistration and the end of module exit to make sure there is no caller
* executing a probe when it is freed.
* unregistration and the first one of
* - the end of module exit function
* - the free of any resource used by the probes
* to ensure the code and data are valid for any possibly running probes.
*/
#define marker_synchronize_unregister() synchronize_sched()

25
include/linux/mdio-gpio.h Normal file
View file

@ -0,0 +1,25 @@
/*
* MDIO-GPIO bus platform data structures
*
* Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#ifndef __LINUX_MDIO_GPIO_H
#define __LINUX_MDIO_GPIO_H
#include <linux/mdio-bitbang.h>
struct mdio_gpio_platform_data {
/* GPIO numbers for bus pins */
unsigned int mdc;
unsigned int mdio;
unsigned int phy_mask;
int irqs[PHY_MAX_ADDR];
};
#endif /* __LINUX_MDIO_GPIO_H */

View file

@ -1,7 +1,7 @@
/*
* audio.h -- Audio Driver for Wolfson WM8350 PMIC
*
* Copyright 2007 Wolfson Microelectronics PLC
* Copyright 2007, 2008 Wolfson Microelectronics PLC
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -70,9 +70,9 @@
#define WM8350_CODEC_ISEL_0_5 3 /* x0.5 */
#define WM8350_VMID_OFF 0
#define WM8350_VMID_500K 1
#define WM8350_VMID_100K 2
#define WM8350_VMID_10K 3
#define WM8350_VMID_300K 1
#define WM8350_VMID_50K 2
#define WM8350_VMID_5K 3
/*
* R40 (0x28) - Clock Control 1
@ -591,8 +591,38 @@
#define WM8350_IRQ_CODEC_MICSCD 41
#define WM8350_IRQ_CODEC_MICD 42
/*
* WM8350 Platform data.
*
* This must be initialised per platform for best audio performance.
* Please see WM8350 datasheet for information.
*/
struct wm8350_audio_platform_data {
int vmid_discharge_msecs; /* VMID --> OFF discharge time */
int drain_msecs; /* OFF drain time */
int cap_discharge_msecs; /* Cap ON (from OFF) discharge time */
int vmid_charge_msecs; /* vmid power up time */
u32 vmid_s_curve:2; /* vmid enable s curve speed */
u32 dis_out4:2; /* out4 discharge speed */
u32 dis_out3:2; /* out3 discharge speed */
u32 dis_out2:2; /* out2 discharge speed */
u32 dis_out1:2; /* out1 discharge speed */
u32 vroi_out4:1; /* out4 tie off */
u32 vroi_out3:1; /* out3 tie off */
u32 vroi_out2:1; /* out2 tie off */
u32 vroi_out1:1; /* out1 tie off */
u32 vroi_enable:1; /* enable tie off */
u32 codec_current_on:2; /* current level ON */
u32 codec_current_standby:2; /* current level STANDBY */
u32 codec_current_charge:2; /* codec current @ vmid charge */
};
struct snd_soc_codec;
struct wm8350_codec {
struct platform_device *pdev;
struct snd_soc_codec *codec;
struct wm8350_audio_platform_data *platform_data;
};
#endif

View file

@ -135,6 +135,10 @@
#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */
/* Flow control flags */
#define FLOW_CTRL_TX 0x01
#define FLOW_CTRL_RX 0x02
/* This structure is used in all SIOCxMIIxxx ioctl calls */
struct mii_ioctl_data {
__u16 phy_id;
@ -235,5 +239,34 @@ static inline unsigned int mii_duplex (unsigned int duplex_lock,
return 0;
}
/**
* mii_resolve_flowctrl_fdx
* @lcladv: value of MII ADVERTISE register
* @rmtadv: value of MII LPA register
*
* Resolve full duplex flow control as per IEEE 802.3-2005 table 28B-3
*/
static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv)
{
u8 cap = 0;
if (lcladv & ADVERTISE_PAUSE_CAP) {
if (lcladv & ADVERTISE_PAUSE_ASYM) {
if (rmtadv & LPA_PAUSE_CAP)
cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
else if (rmtadv & LPA_PAUSE_ASYM)
cap = FLOW_CTRL_RX;
} else {
if (rmtadv & LPA_PAUSE_CAP)
cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
}
} else if (lcladv & ADVERTISE_PAUSE_ASYM) {
if ((rmtadv & LPA_PAUSE_CAP) && (rmtadv & LPA_PAUSE_ASYM))
cap = FLOW_CTRL_TX;
}
return cap;
}
#endif /* __KERNEL__ */
#endif /* __LINUX_MII_H__ */

View file

@ -206,6 +206,7 @@ struct mlx4_caps {
int reserved_cqs;
int num_eqs;
int reserved_eqs;
int num_comp_vectors;
int num_mpts;
int num_mtt_segs;
int fmr_reserved_mtts;
@ -328,6 +329,7 @@ struct mlx4_cq {
int arm_sn;
int cqn;
unsigned vector;
atomic_t refcount;
struct completion free;
@ -437,7 +439,7 @@ void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
int collapsed);
unsigned vector, int collapsed);
void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);

View file

@ -145,6 +145,23 @@ extern pgprot_t protection_map[16];
#define FAULT_FLAG_WRITE 0x01 /* Fault was a write access */
#define FAULT_FLAG_NONLINEAR 0x02 /* Fault was via a nonlinear mapping */
/*
* This interface is used by x86 PAT code to identify a pfn mapping that is
* linear over entire vma. This is to optimize PAT code that deals with
* marking the physical region with a particular prot. This is not for generic
* mm use. Note also that this check will not work if the pfn mapping is
* linear for a vma starting at physical address 0. In which case PAT code
* falls back to slow path of reserving physical range page by page.
*/
static inline int is_linear_pfn_mapping(struct vm_area_struct *vma)
{
return ((vma->vm_flags & VM_PFNMAP) && vma->vm_pgoff);
}
static inline int is_pfn_mapping(struct vm_area_struct *vma)
{
return (vma->vm_flags & VM_PFNMAP);
}
/*
* vm_fault is filled by the the pagefault handler and passed to the vma's
@ -781,6 +798,8 @@ int copy_page_range(struct mm_struct *dst, struct mm_struct *src,
struct vm_area_struct *vma);
void unmap_mapping_range(struct address_space *mapping,
loff_t const holebegin, loff_t const holelen, int even_cows);
int follow_phys(struct vm_area_struct *vma, unsigned long address,
unsigned int flags, unsigned long *prot, resource_size_t *phys);
int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
void *buf, int len, int write);
@ -1286,5 +1305,7 @@ int vmemmap_populate_basepages(struct page *start_page,
int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
void vmemmap_populate_print_last(void);
extern void *alloc_locked_buffer(size_t size);
extern void free_locked_buffer(void *buffer, size_t size);
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */

View file

@ -232,8 +232,9 @@ struct mm_struct {
struct core_state *core_state; /* coredumping support */
/* aio bits */
rwlock_t ioctx_list_lock; /* aio lock */
struct kioctx *ioctx_list;
spinlock_t ioctx_lock;
struct hlist_head ioctx_list;
#ifdef CONFIG_MM_OWNER
/*
* "owner" points to a task that is regarded as the canonical

View file

@ -151,4 +151,6 @@ static inline void mmc_claim_host(struct mmc_host *host)
__mmc_claim_host(host, NULL);
}
extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
#endif

View file

@ -41,6 +41,7 @@ struct mmc_ios {
#define MMC_BUS_WIDTH_1 0
#define MMC_BUS_WIDTH_4 2
#define MMC_BUS_WIDTH_8 3
unsigned char timing; /* timing specification used */
@ -116,6 +117,7 @@ struct mmc_host {
#define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */
#define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */
#define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */
#define MMC_CAP_8_BIT_DATA (1 << 6) /* Can the host do 8 bit transfers */
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */

View file

@ -117,6 +117,7 @@ struct sioc_mif_req6
#include <linux/pim.h>
#include <linux/skbuff.h> /* for struct sk_buff_head */
#include <net/net_namespace.h>
#ifdef CONFIG_IPV6_MROUTE
static inline int ip6_mroute_opt(int opt)
@ -187,6 +188,9 @@ struct mif_device
struct mfc6_cache
{
struct mfc6_cache *next; /* Next entry on cache line */
#ifdef CONFIG_NET_NS
struct net *mfc6_net;
#endif
struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */
struct in6_addr mf6c_origin; /* Source of packet */
mifi_t mf6c_parent; /* Source interface */
@ -209,6 +213,18 @@ struct mfc6_cache
} mfc_un;
};
static inline
struct net *mfc6_net(const struct mfc6_cache *mfc)
{
return read_pnet(&mfc->mfc6_net);
}
static inline
void mfc6_net_set(struct mfc6_cache *mfc, struct net *net)
{
write_pnet(&mfc->mfc6_net, hold_net(net));
}
#define MFC_STATIC 1
#define MFC_NOTIFY 2
@ -229,13 +245,17 @@ struct mfc6_cache
#ifdef __KERNEL__
struct rtmsg;
extern int ip6mr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait);
extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
struct rtmsg *rtm, int nowait);
#ifdef CONFIG_IPV6_MROUTE
extern struct sock *mroute6_socket;
static inline struct sock *mroute6_socket(struct net *net)
{
return net->ipv6.mroute6_sk;
}
extern int ip6mr_sk_done(struct sock *sk);
#else
#define mroute6_socket NULL
static inline struct sock *mroute6_socket(struct net *net) { return NULL; }
static inline int ip6mr_sk_done(struct sock *sk) { return 0; }
#endif
#endif

View file

@ -10,8 +10,11 @@ struct msi_msg {
};
/* Helper functions */
struct irq_desc;
extern void mask_msi_irq(unsigned int irq);
extern void unmask_msi_irq(unsigned int irq);
extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);

View file

@ -144,6 +144,8 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
/*
* NOTE: mutex_trylock() follows the spin_trylock() convention,
* not the down_trylock() convention!
*
* Returns 1 if the mutex has been acquired successfully, and 0 on contention.
*/
extern int mutex_trylock(struct mutex *lock);
extern void mutex_unlock(struct mutex *lock);

View file

@ -94,4 +94,9 @@ static inline char *nd_get_link(struct nameidata *nd)
return nd->saved_names[nd->depth];
}
static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
{
((char *) name)[min(len, maxlen)] = '\0';
}
#endif /* _LINUX_NAMEI_H */

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