diff options
Diffstat (limited to 'include/linux')
65 files changed, 1073 insertions, 333 deletions
diff --git a/include/linux/acct.h b/include/linux/acct.h index 1993a3691768..19f70462b3be 100644 --- a/include/linux/acct.h +++ b/include/linux/acct.h @@ -162,13 +162,13 @@ typedef struct acct acct_t; #ifdef __KERNEL__ /* * Yet another set of HZ to *HZ helper functions. - * See <linux/times.h> for the original. + * See <linux/jiffies.h> for the original. */ static inline u32 jiffies_to_AHZ(unsigned long x) { #if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0 - return x / (HZ / USER_HZ); + return x / (HZ / AHZ); #else u64 tmp = (u64)x * TICK_NSEC; do_div(tmp, (NSEC_PER_SEC / AHZ)); diff --git a/include/linux/aio.h b/include/linux/aio.h index a4d5af907f90..0decf66117c1 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -24,7 +24,12 @@ struct kioctx; #define KIOCB_SYNC_KEY (~0U) /* ki_flags bits */ -#define KIF_LOCKED 0 +/* + * This may be used for cancel/retry serialization in the future, but + * for now it's unused and we probably don't want modules to even + * think they can use it. + */ +/* #define KIF_LOCKED 0 */ #define KIF_KICKED 1 #define KIF_CANCELLED 2 @@ -43,6 +48,40 @@ struct kioctx; #define kiocbIsKicked(iocb) test_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags) +/* is there a better place to document function pointer methods? */ +/** + * ki_retry - iocb forward progress callback + * @kiocb: The kiocb struct to advance by performing an operation. + * + * This callback is called when the AIO core wants a given AIO operation + * to make forward progress. The kiocb argument describes the operation + * that is to be performed. As the operation proceeds, perhaps partially, + * ki_retry is expected to update the kiocb with progress made. Typically + * ki_retry is set in the AIO core and it itself calls file_operations + * helpers. + * + * ki_retry's return value determines when the AIO operation is completed + * and an event is generated in the AIO event ring. Except the special + * return values described below, the value that is returned from ki_retry + * is transferred directly into the completion ring as the operation's + * resulting status. Once this has happened ki_retry *MUST NOT* reference + * the kiocb pointer again. + * + * If ki_retry returns -EIOCBQUEUED it has made a promise that aio_complete() + * will be called on the kiocb pointer in the future. The AIO core will + * not ask the method again -- ki_retry must ensure forward progress. + * aio_complete() must be called once and only once in the future, multiple + * calls may result in undefined behaviour. + * + * If ki_retry returns -EIOCBRETRY it has made a promise that kick_iocb() + * will be called on the kiocb pointer in the future. This may happen + * through generic helpers that associate kiocb->ki_wait with a wait + * queue head that ki_retry uses via current->io_wait. It can also happen + * with custom tracking and manual calls to kick_iocb(), though that is + * discouraged. In either case, kick_iocb() must be called once and only + * once. ki_retry must ensure forward progress, the AIO core will wait + * indefinitely for kick_iocb() to be called. + */ struct kiocb { struct list_head ki_run_list; long ki_flags; diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index 9f374cfa1b05..e7d0593bb576 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -76,6 +76,13 @@ struct atm_dev_stats { /* set interface ESI */ #define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc) /* force interface ESI */ +#define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc) + /* register a LECS address */ +#define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc) + /* unregister a LECS address */ +#define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc) + /* retrieve LECS address(es) */ + #define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc) /* get AAL layer statistics */ #define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc) @@ -328,6 +335,8 @@ struct atm_dev_addr { struct list_head entry; /* next address */ }; +enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS }; + struct atm_dev { const struct atmdev_ops *ops; /* device operations; NULL if unused */ const struct atmphy_ops *phy; /* PHY operations, may be undefined */ @@ -338,6 +347,7 @@ struct atm_dev { void *phy_data; /* private PHY date */ unsigned long flags; /* device flags (ATM_DF_*) */ struct list_head local; /* local ATM addresses */ + struct list_head lecs; /* LECS ATM addresses learned via ILMI */ unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */ struct atm_cirange ci_range; /* VPI/VCI range */ struct k_atm_dev_stats stats; /* statistics */ @@ -457,7 +467,7 @@ static inline void atm_dev_put(struct atm_dev *dev) int atm_charge(struct atm_vcc *vcc,int truesize); struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size, - int gfp_flags); + gfp_t gfp_flags); int atm_pcr_goal(struct atm_trafprm *tp); void vcc_release_async(struct atm_vcc *vcc, int reply); diff --git a/include/linux/bfs_fs.h b/include/linux/bfs_fs.h index c1237aa92e38..8ed6dfdcd783 100644 --- a/include/linux/bfs_fs.h +++ b/include/linux/bfs_fs.h @@ -20,19 +20,19 @@ /* BFS inode layout on disk */ struct bfs_inode { - __u16 i_ino; + __le16 i_ino; __u16 i_unused; - __u32 i_sblock; - __u32 i_eblock; - __u32 i_eoffset; - __u32 i_vtype; - __u32 i_mode; - __s32 i_uid; - __s32 i_gid; - __u32 i_nlink; - __u32 i_atime; - __u32 i_mtime; - __u32 i_ctime; + __le32 i_sblock; + __le32 i_eblock; + __le32 i_eoffset; + __le32 i_vtype; + __le32 i_mode; + __le32 i_uid; + __le32 i_gid; + __le32 i_nlink; + __le32 i_atime; + __le32 i_mtime; + __le32 i_ctime; __u32 i_padding[4]; }; @@ -41,17 +41,17 @@ struct bfs_inode { #define BFS_DIRS_PER_BLOCK 32 struct bfs_dirent { - __u16 ino; + __le16 ino; char name[BFS_NAMELEN]; }; /* BFS superblock layout on disk */ struct bfs_super_block { - __u32 s_magic; - __u32 s_start; - __u32 s_end; - __s32 s_from; - __s32 s_to; + __le32 s_magic; + __le32 s_start; + __le32 s_end; + __le32 s_from; + __le32 s_to; __s32 s_bfrom; __s32 s_bto; char s_fsname[6]; @@ -66,15 +66,15 @@ struct bfs_super_block { #define BFS_INO2OFF(ino) \ ((__u32)(((ino) - BFS_ROOT_INO) * sizeof(struct bfs_inode)) + BFS_BSIZE) #define BFS_NZFILESIZE(ip) \ - ((cpu_to_le32((ip)->i_eoffset) + 1) - cpu_to_le32((ip)->i_sblock) * BFS_BSIZE) + ((le32_to_cpu((ip)->i_eoffset) + 1) - le32_to_cpu((ip)->i_sblock) * BFS_BSIZE) #define BFS_FILESIZE(ip) \ ((ip)->i_sblock == 0 ? 0 : BFS_NZFILESIZE(ip)) #define BFS_FILEBLOCKS(ip) \ - ((ip)->i_sblock == 0 ? 0 : (cpu_to_le32((ip)->i_eblock) + 1) - cpu_to_le32((ip)->i_sblock)) + ((ip)->i_sblock == 0 ? 0 : (le32_to_cpu((ip)->i_eblock) + 1) - le32_to_cpu((ip)->i_sblock)) #define BFS_UNCLEAN(bfs_sb, sb) \ - ((cpu_to_le32(bfs_sb->s_from) != -1) && (cpu_to_le32(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY)) + ((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY)) #endif /* _LINUX_BFS_FS_H */ diff --git a/include/linux/bio.h b/include/linux/bio.h index 6e1c79c8b6bf..3344b4e8e43a 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -276,8 +276,8 @@ extern void bio_pair_release(struct bio_pair *dbio); extern struct bio_set *bioset_create(int, int, int); extern void bioset_free(struct bio_set *); -extern struct bio *bio_alloc(unsigned int __nocast, int); -extern struct bio *bio_alloc_bioset(unsigned int __nocast, int, struct bio_set *); +extern struct bio *bio_alloc(gfp_t, int); +extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); extern void bio_free(struct bio *, struct bio_set *); @@ -287,7 +287,7 @@ extern int bio_phys_segments(struct request_queue *, struct bio *); extern int bio_hw_segments(struct request_queue *, struct bio *); extern void __bio_clone(struct bio *, struct bio *); -extern struct bio *bio_clone(struct bio *, unsigned int __nocast); +extern struct bio *bio_clone(struct bio *, gfp_t); extern void bio_init(struct bio *); diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 82bd8842d11c..3b03b0b868dd 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -43,7 +43,7 @@ typedef struct bootmem_data { extern unsigned long __init bootmem_bootmap_pages (unsigned long); extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend); extern void __init free_bootmem (unsigned long addr, unsigned long size); -extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal); +extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit); #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE extern void __init reserve_bootmem (unsigned long addr, unsigned long size); #define alloc_bootmem(x) \ @@ -54,6 +54,16 @@ extern void __init reserve_bootmem (unsigned long addr, unsigned long size); __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages(x) \ __alloc_bootmem((x), PAGE_SIZE, 0) + +#define alloc_bootmem_limit(x, limit) \ + __alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_limit(x, limit) \ + __alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit)) +#define alloc_bootmem_pages_limit(x, limit) \ + __alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_pages_limit(x, limit) \ + __alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit)) + #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ extern unsigned long __init free_all_bootmem (void); @@ -61,7 +71,7 @@ extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long f extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size); extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size); extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat); -extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal); +extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit); #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE #define alloc_bootmem_node(pgdat, x) \ __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) @@ -69,6 +79,14 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) #define alloc_bootmem_low_pages_node(pgdat, x) \ __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0) + +#define alloc_bootmem_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_pages_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit)) +#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit) \ + __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit)) + #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */ #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP @@ -105,5 +123,15 @@ extern void *__init alloc_large_system_hash(const char *tablename, #endif extern int __initdata hashdist; /* Distribute hashes across NUMA nodes? */ +static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal) +{ + return __alloc_bootmem_limit(size, align, goal, 0); +} + +static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, + unsigned long goal) +{ + return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0); +} #endif /* _LINUX_BOOTMEM_H */ diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 90828493791f..6a1d154c0825 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -172,7 +172,7 @@ void __brelse(struct buffer_head *); void __bforget(struct buffer_head *); void __breadahead(struct block_device *, sector_t block, int size); struct buffer_head *__bread(struct block_device *, sector_t block, int size); -struct buffer_head *alloc_buffer_head(unsigned int __nocast gfp_flags); +struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); void FASTCALL(unlock_buffer(struct buffer_head *bh)); void FASTCALL(__lock_buffer(struct buffer_head *bh)); diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h index 5fde6f4d6c1e..04bd756efc67 100644 --- a/include/linux/byteorder/generic.h +++ b/include/linux/byteorder/generic.h @@ -5,6 +5,10 @@ * linux/byteorder_generic.h * Generic Byte-reordering support * + * The "... p" macros, like le64_to_cpup, can be used with pointers + * to unaligned data, but there will be a performance penalty on + * some architectures. Use get_unaligned for unaligned data. + * * Francois-Rene Rideau <fare@tunes.org> 19970707 * gathered all the good ideas from all asm-foo/byteorder.h into one file, * cleaned them up. diff --git a/include/linux/connector.h b/include/linux/connector.h index 96de26301f84..95952cc1f525 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -104,12 +104,19 @@ struct cn_queue_dev { struct sock *nls; }; -struct cn_callback { +struct cn_callback_id { unsigned char name[CN_CBQ_NAMELEN]; - struct cb_id id; +}; + +struct cn_callback_data { + void (*destruct_data) (void *); + void *ddata; + + void *callback_priv; void (*callback) (void *); - void *priv; + + void *free; }; struct cn_callback_entry { @@ -118,8 +125,8 @@ struct cn_callback_entry { struct work_struct work; struct cn_queue_dev *pdev; - void (*destruct_data) (void *); - void *ddata; + struct cn_callback_id id; + struct cn_callback_data data; int seq, group; struct sock *nls; @@ -142,9 +149,9 @@ struct cn_dev { int cn_add_callback(struct cb_id *, char *, void (*callback) (void *)); void cn_del_callback(struct cb_id *); -int cn_netlink_send(struct cn_msg *, u32, int); +int cn_netlink_send(struct cn_msg *, u32, gfp_t); -int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb); +int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *)); void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id); struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *); @@ -152,6 +159,8 @@ void cn_queue_free_dev(struct cn_queue_dev *dev); int cn_cb_equal(struct cb_id *, struct cb_id *); +void cn_queue_wrapper(void *data); + extern int cn_already_initialized; #endif /* __KERNEL__ */ diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index b15826f6e3a2..9bdba8169b41 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -392,4 +392,14 @@ extern cpumask_t cpu_present_map; #define for_each_online_cpu(cpu) for_each_cpu_mask((cpu), cpu_online_map) #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map) +/* Find the highest possible smp_processor_id() */ +#define highest_possible_processor_id() \ +({ \ + unsigned int cpu, highest = 0; \ + for_each_cpu_mask(cpu, cpu_possible_map) \ + highest = cpu; \ + highest; \ +}) + + #endif /* __LINUX_CPUMASK_H */ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 24062a1dbf61..6e2deef96b34 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -23,7 +23,7 @@ void cpuset_init_current_mems_allowed(void); void cpuset_update_current_mems_allowed(void); void cpuset_restrict_to_mems_allowed(unsigned long *nodes); int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl); -extern int cpuset_zone_allowed(struct zone *z, unsigned int __nocast gfp_mask); +extern int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask); extern int cpuset_excl_nodes_overlap(const struct task_struct *p); extern struct file_operations proc_cpuset_operations; extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); @@ -49,8 +49,7 @@ static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl) return 1; } -static inline int cpuset_zone_allowed(struct zone *z, - unsigned int __nocast gfp_mask) +static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask) { return 1; } diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 8bf4bacb5051..71fab4311e92 100644 --- a/include/linux/dccp.h +++ b/include/linux/dccp.h @@ -4,16 +4,6 @@ #include <linux/types.h> #include <asm/byteorder.h> -/* Structure describing an Internet (DCCP) socket address. */ -struct sockaddr_dccp { - __u16 sdccp_family; /* Address family */ - __u16 sdccp_port; /* Port number */ - __u32 sdccp_addr; /* Internet address */ - __u32 sdccp_service; /* Service */ - /* Pad to size of `struct sockaddr': 16 bytes . */ - __u32 sdccp_pad; -}; - /** * struct dccp_hdr - generic part of DCCP packet header * @@ -188,6 +178,11 @@ enum { /* DCCP socket options */ #define DCCP_SOCKOPT_PACKET_SIZE 1 +#define DCCP_SOCKOPT_SERVICE 2 +#define DCCP_SOCKOPT_CCID_RX_INFO 128 +#define DCCP_SOCKOPT_CCID_TX_INFO 192 + +#define DCCP_SERVICE_LIST_MAX_LEN 32 #ifdef __KERNEL__ @@ -337,7 +332,8 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb) */ struct dccp_options { __u64 dccpo_sequence_window; - __u8 dccpo_ccid; + __u8 dccpo_rx_ccid; + __u8 dccpo_tx_ccid; __u8 dccpo_send_ack_vector; __u8 dccpo_send_ndp_count; }; @@ -360,14 +356,8 @@ static inline struct dccp_request_sock *dccp_rsk(const struct request_sock *req) extern struct inet_timewait_death_row dccp_death_row; -/* Read about the ECN nonce to see why it is 253 */ -#define DCCP_MAX_ACK_VECTOR_LEN 253 - struct dccp_options_received { - u32 dccpor_ndp:24, - dccpor_ack_vector_len:8; - u32 dccpor_ack_vector_idx:10; - /* 22 bits hole, try to pack */ + u32 dccpor_ndp; /* only 24 bits */ u32 dccpor_timestamp; u32 dccpor_timestamp_echo; u32 dccpor_elapsed_time; @@ -382,6 +372,27 @@ enum dccp_role { DCCP_ROLE_SERVER, }; +struct dccp_service_list { + __u32 dccpsl_nr; + __u32 dccpsl_list[0]; +}; + +#define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1) + +static inline int dccp_list_has_service(const struct dccp_service_list *sl, + const u32 service) +{ + if (likely(sl != NULL)) { + u32 i = sl->dccpsl_nr; + while (i--) + if (sl->dccpsl_list[i] == service) + return 1; + } + return 0; +} + +struct dccp_ackvec; + /** * struct dccp_sock - DCCP socket state * @@ -402,7 +413,7 @@ enum dccp_role { * @dccps_packet_size - Set thru setsockopt * @dccps_role - Role of this sock, one of %dccp_role * @dccps_ndp_count - number of Non Data Packets since last data packet - * @dccps_hc_rx_ackpkts - receiver half connection acked packets + * @dccps_hc_rx_ackvec - rx half connection ack vector */ |