diff options
Diffstat (limited to 'include')
31 files changed, 508 insertions, 281 deletions
diff --git a/include/linux/8250_pci.h b/include/linux/8250_pci.h index 3209dd46ea7..b24ff086a66 100644 --- a/include/linux/8250_pci.h +++ b/include/linux/8250_pci.h @@ -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); diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 5c8351b859f..af40f8eb86f 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -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__) diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h index e5eb795f78a..2befe6513ce 100644 --- a/include/linux/compiler-gcc3.h +++ b/include/linux/compiler-gcc3.h @@ -2,9 +2,6 @@ #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__ >= 3 # define __used __attribute__((__used__)) #else diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 974f5b7bb20..09992718f9e 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -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 diff --git a/include/linux/compiler.h b/include/linux/compiler.h index ea7c6be354b..d95da1020f1 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -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)) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index a37359d0bad..c66d22487bf 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -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; diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h index 4aab6f12cfa..09d6c5bbddd 100644 --- a/include/linux/fdtable.h +++ b/include/linux/fdtable.h @@ -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; diff --git a/include/linux/fs.h b/include/linux/fs.h index 001ded4845b..e2170ee21e1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -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 */ @@ -330,6 +321,15 @@ 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); @@ -1212,7 +1212,6 @@ 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); @@ -1310,7 +1309,6 @@ 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); @@ -1869,7 +1867,7 @@ 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 *); @@ -1904,6 +1902,8 @@ 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); diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h index 9e5a06e78d0..a97c053d3a9 100644 --- a/include/linux/fs_struct.h +++ b/include/linux/fs_struct.h @@ -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 *); diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h index 4cc91393981..fadff28505b 100644 --- a/include/linux/generic_serial.h +++ b/include/linux/generic_serial.h @@ -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*); diff --git a/include/linux/ide.h b/include/linux/ide.h index e99c56de7f5..db5ef8ae1ab 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -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 */ /* @@ -403,6 +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 */ @@ -480,53 +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), + 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 */ @@ -565,28 +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 { @@ -610,8 +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 */ @@ -879,8 +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; @@ -1258,14 +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 *); @@ -1287,6 +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 *); @@ -1533,6 +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 *); @@ -1627,6 +1633,9 @@ extern struct mutex ide_cfg_mtx; #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; diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 959f5522d10..2f3c2d4ef73 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -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) \ { \ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index be3c484b524..8cc8ef47f5b 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -464,4 +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 diff --git a/include/linux/irq.h b/include/linux/irq.h index 98564dc6447..d64a6d49bde 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -193,42 +193,23 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; -extern void early_irq_init(void); -extern void arch_early_irq_init(void); -extern void arch_init_chip_data(struct irq_desc *desc, int cpu); 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]; - -static inline struct irq_desc *irq_to_desc(unsigned int irq) -{ - return (irq < NR_IRQS) ? irq_desc + irq : NULL; -} -static inline struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu) -{ - return irq_to_desc(irq); -} - -#else - -extern struct irq_desc *irq_to_desc(unsigned int irq); -extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu); +#else /* CONFIG_SPARSE_IRQ */ extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu); -# define for_each_irq_desc(irq, desc) \ - for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; irq++, desc = irq_to_desc(irq)) -# define for_each_irq_desc_reverse(irq, desc) \ - for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; irq--, desc = irq_to_desc(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 +#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) diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h index 95d2b74641f..5504a5c9783 100644 --- a/include/linux/irqnr.h +++ b/include/linux/irqnr.h @@ -15,20 +15,23 @@ # define for_each_irq_desc_reverse(irq, desc) \ for (irq = nr_irqs - 1; irq >= 0; irq--) -#else +#else /* CONFIG_GENERIC_HARDIRQS */ extern int nr_irqs; +extern struct irq_desc *irq_to_desc(unsigned int irq); -#ifndef CONFIG_SPARSE_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) -struct irq_desc; -# 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, desc = irq_desc + (nr_irqs - 1); \ - irq >= 0; irq--, desc--) -#endif -#endif + +# define for_each_irq_desc_reverse(irq, desc) \ + for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ + irq--, desc = irq_to_desc(irq)) \ + if (desc) + +#endif /* CONFIG_GENERIC_HARDIRQS */ #define for_each_irq_nr(irq) \ for (irq = 0; irq < nr_irqs; irq++) diff --git a/include/linux/istallion.h b/include/linux/istallion.h index 0d184072324..7faca98c7d1 100644 --- a/include/linux/istallion.h +++ b/include/linux/istallion.h @@ -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; diff --git a/include/linux/namei.h b/include/linux/namei.h index 99eb80306dc..fc2e0357987 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -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 */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b6e69445428..218c73b1e6d 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1766,6 +1766,7 @@ #define PCI_DEVICE_ID_SIIG_8S_20x_650 0x2081 #define PCI_DEVICE_ID_SIIG_8S_20x_850 0x2082 #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL 0x2050 +#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL 0x2530 #define PCI_VENDOR_ID_RADISYS 0x1331 @@ -1795,6 +1796,7 @@ #define PCI_DEVICE_ID_SEALEVEL_UCOMM232 0x7202 #define PCI_DEVICE_ID_SEALEVEL_COMM4 0x7401 #define PCI_DEVICE_ID_SEALEVEL_COMM8 0x7801 +#define PCI_DEVICE_ID_SEALEVEL_7803 0x7803 #define PCI_DEVICE_ID_SEALEVEL_UCOMM8 0x7804 #define PCI_VENDOR_ID_HYPERCOPE 0x1365 diff --git a/include/linux/security.h b/include/linux/security.h index 3416cb85e77..b92b5e453f6 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -335,17 +335,37 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @dir contains the inode structure of the parent directory of the new link. * @new_dentry contains the dentry structure for the new link. * Return 0 if permission is granted. + * @path_link: + * Check permission before creating a new hard link to a file. + * @old_dentry contains the dentry structure for an existing link + * to the file. + * @new_dir contains the path structure of the parent directory of + * the new link. + * @new_dentry contains the dentry structure for the new link. + * Return 0 if permission is granted. * @inode_unlink: * Check the permission to remove a hard link to a file. * @dir contains the inode structure of parent directory of the file. * @dentry contains the dentry structure for file to be unlinked. * Return 0 if permission is granted. + * @path_unlink: + * Check the permission to remove a hard link to a file. + * @dir contains the path structure of parent directory of the file. + * @dentry contains the dentry structure for file to be unlinked. + * Return 0 if permission is granted. * @inode_symlink: * Check the permission to create a symbolic link to a file. * @dir contains the inode structure of parent directory of the symbolic link. * @dentry contains the dentry structure of the symbolic link. * @old_name contains the pathname of file. * Return 0 if permission is granted. + * @path_symlink: + * Check the permission to create a symbolic link to a file. + * @dir contains the path structure of parent directory of + * the symbolic link. + * @dentry contains the dentry structure of the symbolic link. + * @old_name contains the pathname of file. + * Return 0 if permission is granted. * @inode_mkdir: * Check permissions to create a new directory in the existing directory * associated with inode strcture @dir. @@ -353,11 +373,25 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @dentry contains the dentry structure of new directory. * @mode contains the mode of new directory. * Return 0 if permission is granted. + * @path_mkdir: + * Check permissions to create a new directory in the existing directory + * associated with path strcture @path. + * @dir containst the path structure of parent of the directory + * to be created. + * @dentry contains the dentry structure of new directory. + * @mode contains the mode of new directory. + * Return 0 if permission is granted. * @inode_rmdir: * Check the permission to remove a directory. * @dir contains the inode structure of parent of the directory to be removed. * @dentry contains the dentry structure of directory to be removed. * Return 0 if permission is granted. + * @path_rmdir: + * Check the permission to remove a directory. + * @dir contains the path structure of parent of the directory to be + * removed. + * @dentry contains the dentry structure of directory to be removed. + * Return 0 if permission is granted. * @inode_mknod: * Check permissions when creating a special file (or a socket or a fifo * file created via the mknod system call). Note that if mknod operation @@ -368,6 +402,15 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @mode contains the mode of the new file. * @dev contains the device number. * Return 0 if permission is granted. + * @path_mknod: + * Check permissions when creating a file. Note that this hook is called + * even if mknod operation is being done for a regular file. + * @dir contains the path structure of parent of the new file. + * @dentry contains the dentry structure of the new file. + * @mode contains the mode of the new file. + * @dev contains the undecoded device number. Use new_decode_dev() to get + * the decoded device number. + * Return 0 if permission is granted. * @inode_rename: * Check for permission to rename a file or directory. * @old_dir contains the inode structure for parent of the old link. @@ -375,6 +418,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @new_dir contains the inode structure for parent of the new link. * @new_dentry contains the dentry structure of the new link. * Return 0 if permission is granted. + * @path_rename: + * Check for permission to rename a file or directory. + * @old_dir contains the path structure for parent of the old link. + * @old_dentry contains the dentry structure of the old link. + * @new_dir contains the path structure for parent of the new link. + * @new_dentry contains the dentry structure of the new link. + * Return 0 if permission is granted. * @inode_readlink: * Check the permission to read the symbolic link. * @dentry contains the dentry structure for the file link. @@ -403,6 +453,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * @dentry contains the dentry structure for the file. * @attr is the iattr structure containing the new file attributes. * Return 0 if permission is granted. + * @path_truncate: + * Check permission before truncating a file. + * @path contains the path structure for the file. + * @length is the new length of the file. + * @time_attrs is the flags passed to do_truncate(). + * Return 0 if permission is granted. * @inode_getattr: * Check permission before obtaining file attributes. * @mnt is the vfsmount where the dentry was looked up @@ -1331,6 +1387,22 @@ struct security_operations { struct super_block *newsb); int (*sb_parse_opts_str) (char *options, struct security_mnt_opts *opts); +#ifdef CONFIG_SECURITY_PATH + int (*path_unlink) (struct path *dir, struct dentry *dentry); + int (*path_mkdir) (struct path *dir, struct dentry *dentry, int mode); + int (*path_rmdir) (struct path *dir, struct dentry *dentry); + int (*path_mknod) (struct path *dir, struct dentry *dentry, int mode, + unsigned int dev); + int (*path_truncate) (struct path *path, loff_t length, + unsigned int time_attrs); + int (*path_symlink) (struct path *dir, struct dentry *dentry, + const char *old_name); + int (*path_link) (struct dentry *old_dentry, struct path *new_dir, + struct dentry *new_dentry); + int (*path_rename) (struct path *old_dir, struct dentry *old_dentry, + struct path *new_dir, struct dentry *new_dentry); +#endif + int (*inode_alloc_security) (struct inode *inode); void (*inode_free_security) (struct inode *inode); int (*inode_init_security) (struct inode *inode, struct inode *dir, @@ -2705,6 +2777,71 @@ static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi #endif /* CONFIG_SECURITY_NETWORK_XFRM */ +#ifdef CONFIG_SECURITY_PATH +int security_path_unlink(struct path *dir, struct dentry *dentry); +int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode); +int security_path_rmdir(struct path *dir, struct dentry *dentry); +int security_path_mknod(struct path *dir, struct dentry *dentry, int mode, + unsigned int dev); +int security_path_truncate(struct path *path, loff_t length, + unsigned int time_attrs); +int security_path_symlink(struct path *dir, struct dentry *dentry, + const char *old_name); +int security_path_link(struct dentry *old_dentry, struct path *new_dir, + struct dentry *new_dentry); +int security_path_rename(struct path *old_dir, struct dentry *old_dentry, + struct path *new_dir, struct dentry *new_dentry); +#else /* CONFIG_SECURITY_PATH */ +static inline int security_path_unlink(struct path *dir, struct dentry *dentry) +{ + return 0; +} + +static inline int security_path_mkdir(struct path *dir, struct dentry *dentry, + int mode) +{ + return 0; +} + +static inline int security_path_rmdir(struct path *dir, struct dentry *dentry) +{ + return 0; +} + +static inline int security_path_mknod(struct path *dir, struct dentry *dentry, + int mode, unsigned int dev) +{ + return 0; +} + +static inline int security_path_truncate(struct path *path, loff_t length, + unsigned int time_attrs) +{ + return 0; +} + +static inline int security_path_symlink(struct path *dir, struct dentry *dentry, + const char *old_name) +{ + return 0; +} + +static inline int security_path_link(struct dentry *old_dentry, + struct path *new_dir, + struct dentry *new_dentry) +{ + return 0; +} + +static inline int security_path_rename(struct path *old_dir, + struct dentry *old_dentry, + struct path *new_dir, + struct dentry *new_dentry) +{ + return 0; +} +#endif /* CONFIG_SECURITY_PATH */ + #ifdef CONFIG_KEYS #ifdef CONFIG_SECURITY diff --git a/include/linux/serial.h b/include/linux/serial.h index 1ea8d9265bf..9136cc5608c 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -10,8 +10,9 @@ #ifndef _LINUX_SERIAL_H #define _LINUX_SERIAL_H -#ifdef __KERNEL__ #include <linux/types.h> + +#ifdef __KERNEL__ #include <asm/page.h> /* diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 3d37c94abbc..d4d2a78ad43 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -28,6 +28,9 @@ struct plat_serial8250_port { unsigned char iotype; /* UPIO_* */ unsigned char hub6; upf_t flags; /* UPF_* flags */ + unsigned int type; /* If UPF_FIXED_TYPE */ + unsigned int (*serial_in)(struct uart_port *, int); + void (*serial_out)(struct uart_port *, int, int); }; /* diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index feb3b939ec4..b4199841f1f 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -40,7 +40,8 @@ #define PORT_NS16550A 14 #define PORT_XSCALE 15 #define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */ -#define PORT_MAX_8250 16 /* max port ID */ +#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */ +#define PORT_MAX_8250 17 /* max port ID */ /* * ARM specific type numbers. These are not currently guaranteed @@ -248,6 +249,8 @@ struct uart_port { spinlock_t lock; /* port lock */ unsigned long iobase; /* in/out[bwl] */ unsigned char __iomem *membase; /* read/write[bwl] */ + unsigned int (*serial_in)(struct uart_port *, int); + void (*serial_out)(struct uart_port *, int, int); unsigned int irq; /* irq number */ unsigned int uartclk; /* base uart clock */ unsigned int fifosize; /* tx fifo size */ @@ -293,6 +296,8 @@ struct uart_port { #define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16)) #define UPF_CONS_FLOW ((__force upf_t) (1 << 23)) #define UPF_SHARE_IRQ ((__force upf_t) (1 << 24)) +/* The exact UART type is known and should not be probed. */ +#define UPF_FIXED_TYPE ((__force upf_t) (1 << 27)) #define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28)) #define UPF_FIXED_PORT ((__force upf_t) (1 << 29)) #define UPF_DEAD ((__force upf_t) (1 << 30)) @@ -316,35 +321,13 @@ struct uart_port { }; /* - * This is the state information which is persistent across opens. - * The low level driver must not to touch any elements contained - * within. - */ -struct uart_state { - unsigned int close_delay; /* msec */ - unsigned int closing_wait; /* msec */ - -#define USF_CLOSING_WAIT_INF (0) -#define USF_CLOSING_WAIT_NONE (~0U) - - int count; - int pm_state; - struct uart_info *info; - struct uart_port *port; - - struct mutex mutex; -}; - -#define UART_XMIT_SIZE PAGE_SIZE - -typedef unsigned int __bitwise__ uif_t; - -/* * This is the state information which is only valid when the port - * is open; it may be freed by the core driver once the device has + * is open; it may be cleared the core driver once the device has * been closed. Either the low level driver or the core can modify * stuff here. */ +typedef unsigned int __bitwise__ uif_t; + struct uart_info { struct tty_port port; struct circ_buf xmit; @@ -366,6 +349,29 @@ struct uart_info { wait_queue_head_t delta_msr_wait; }; +/* + * This is the state information which is persistent across opens. + * The low level driver must not to touch any elements contained + * within. + */ +struct uart_state { + unsigned int close_delay; /* msec */ + unsigned int closing_wait; /* msec */ + +#define USF_CLOSING_WAIT_INF (0) +#define USF_CLOSING_WAIT_NONE (~0U) + + int count; + int pm_state; + struct uart_info info; + struct uart_port *port; + + struct mutex mutex; +}; + +#define UART_XMIT_SIZE PAGE_SIZE + + /* number of characters left in xmit buffer before we ask for more */ #define WAKEUP_CHARS 256 @@ -439,8 +445,13 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); #define uart_circ_chars_free(circ) \ (CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE)) -#define uart_tx_stopped(portp) \ - ((portp)->info->port.tty->stopped || (portp)->info->port.tty->hw_stopped) +static inline int uart_tx_stopped(struct uart_port *port) +{ + struct tty_struct *tty = port->info->port.tty; + if(tty->stopped || tty->hw_stopped) + return 1; + return 0; +} /* * The following are helper functions for the low level drivers. @@ -451,7 +462,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) #ifdef SUPPORT_SYSRQ if (port->sysrq) { if (ch && time_before(jiffies, port->sysrq)) { - handle_sysrq(ch, port->info ? port->info->port.tty : NULL); + handle_sysrq(ch, port->info->port.tty); port->sysrq = 0; return 1; } diff --git a/include/linux/tty.h b/include/linux/tty.h index 3f4954c55e5..fc39db95499 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -180,8 +180,17 @@ struct signal_struct; * until a hangup so don't use the wrong path. */ +struct tty_port; + +struct tty_port_operations { + /* Return 1 if the carrier is raised */ + int (*carrier_raised)(struct tty_port *port); + void (*raise_dtr_rts)(struct tty_port *port); +}; + struct tty_port { struct tty_struct *tty; /* Back pointer */ + const struct tty_port_operations *ops; /* Port operations */ spinlock_t lock; /* Lock protecting tty field */ int blocked_open; /* Waiting to open */ int count; /* Usage count */ @@ -253,6 +262,7 @@ struct tty_struct { unsigned int column; unsigned char lnext:1, erasing:1, raw:1, real_raw:1, icanon:1; unsigned char closing:1; + unsigned char echo_overrun:1; unsigned short minimum_to_wake; unsigned long overrun_time; int num_overrun; @@ -262,11 +272,16 @@ struct tty_struct { int read_tail; int read_cnt; unsigned long read_flags[N_TTY_BUF_SIZE/(8*sizeof(unsigned long))]; + unsigned char *echo_buf; + unsigned int echo_pos; + unsigned int echo_cnt; int canon_data; unsigned long canon_head; unsigned int canon_column; struct mutex atomic_read_lock; struct mutex atomic_write_lock; + struct mutex output_lock; + struct mutex echo_lock; unsigned char *write_buf; int write_cnt; spinlock_t read_lock; @@ -295,6 +310,7 @@ struct tty_struct { #define TTY_PUSH 6 /* n_tty private */ #define TTY_CLOSING 7 /* ->close() in progress */ #define TTY_LDISC 9 /* Line discipline attached */ +#define TTY_LDISC_CHANGING 10 /* Line discipline changing */ #define TTY_HW_COOK_OUT 14 /* Hardware can do output cooking */ #define TTY_HW_COOK_IN 15 /* Hardware can do input cooking */ #define TTY_PTY_LOCK 16 /* pty private */ @@ -354,8 +370,7 @@ extern int tty_write_room(struct tty_struct *tty); extern void tty_driver_flush_buffer(struct tty_struct *tty); extern void tty_throttle(struct tty_struct *tty); extern void tty_unthrottle(struct tty_struct *tty); -extern int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, - struct winsize *ws); +extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws); extern void tty_shutdown(struct tty_struct *tty); extern void tty_free_termios(struct tty_struct *tty); extern int is_current_pgrp_orphaned(void); @@ -421,6 +436,14 @@ extern int tty_port_alloc_xmit_buf(struct tty_port *port); extern void tty_port_free_xmit_buf(struct tty_port *port); extern struct tty_struct *tty_port_tty_get(struct tty_port *port); extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); +extern int tty_port_carrier_raised(struct tty_port *port); +extern void tty_port_raise_dtr_rts(struct tty_port *port); +extern void tty_port_hangup(struct tty_port *port); +extern int tty_port_block_til_ready(struct tty_port *port, + struct tty_struct *tty, struct file *filp); +extern int tty_port_close_start(struct tty_port *port, + struct tty_struct *tty, struct file *filp); +extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty); extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); extern int tty_unregister_ldisc(int disc); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 78416b90158..08e088334db 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -196,8 +196,7 @@ * Optional: If not provided then the write method is called under * the atomic write lock to keep it serialized with the ldisc. * - * int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, - * unsigned int rows, unsigned int cols); + * int (*resize)(struct tty_struct *tty, struct winsize *ws) * * Called when a termios request is issued which changes the * requested terminal geometry. @@ -258,8 +257,7 @@ struct tty_operations { int (*tiocmget)(struct tty_struct *tty, struct file *file); int (*tiocmset)(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear); - int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, - struct winsize *ws); + int (*resize)(struct tty_struct *tty, struct winsize *ws); int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); diff --git a/include/linux/usb/wusb-wa.h b/include/linux/usb/wusb-wa.h index a102561e702..fb7c359bdfb 100644 --- a/include/linux/usb/wusb-wa.h +++ b/include/linux/usb/wusb-wa.h @@ -51,6 +51,7 @@ enum { WUSB_REQ_GET_TIME = 25, WUSB_REQ_SET_STREAM_IDX = 26, WUSB_REQ_SET_WUSB_MAS = 27, + WUSB_REQ_CHAN_STOP = 28, }; diff --git a/include/linux/uwb.h b/include/linux/uwb.h index f9ccbd9a2ce..c02128991ff 100644 --- a/include/linux/uwb.h +++ b/include/linux/uwb.h @@ -30,6 +30,7 @@ #include <linux/device.h> #include <linux/mutex.h> #include <linux/timer.h> +#include <linux/wait.h> #include <linux/workqueue.h> #include <linux/uwb/spec.h> @@ -66,6 +67,7 @@ struct uwb_dev { struct uwb_dev_addr dev_addr; int beacon_slot; DECLARE_BITMAP(streams, UWB_NUM_STREAMS); + DECLARE_BITMAP(last_availability_bm, UWB_NUM_MAS); }; #define to_uwb_dev(d) container_of(d, struct uwb_dev, dev) @@ -86,12 +88,31 @@ struct uwb_notifs_chain { struct mutex mutex; }; +/* Beacon cache list */ +struct uwb_beca { + struct list_head list; + size_t entries; + struct mutex mutex; +}; + +/* Event handling thread. */ +struct uwbd { + int pid; + struct task_struct *task; + wait_queue_head_t wq; + struct list_head event_list; + spinlock_t event_list_lock; +}; + /** * struct uwb_mas_bm - a bitmap of all MAS in a superframe * @bm: a bitmap of length #UWB_NUM_MAS */ struct uwb_mas_bm { DECLARE_BITMAP(bm, UWB_NUM_MAS); + DECLARE_BITMAP(unsafe_bm, UWB_NUM_MAS); + int safe; + int unsafe; }; /** @@ -117,14 +138,24 @@ struct uwb_mas_bm { * FIXME: further target states TBD. */ enum uwb_rsv_state { - UWB_RSV_STATE_NONE, + UWB_RSV_STATE_NONE = 0, UWB_RSV_STATE_O_INITIATED, UWB_RSV_STATE_O_PENDING, UWB_RSV_STATE_O_MODIFIED, UWB_RSV_STATE_O_ESTABLISHED, + UWB_RSV_STATE_O_TO_BE_MOVED, + UWB_RSV_STATE_O_MOVE_EXPANDING, + UWB_RSV_STATE_O_MOVE_COMBINING, + UWB_RSV_STATE_O_MOVE_REDUCING, UWB_RSV_STATE_T_ACCEPTED, UWB_RSV_STATE_T_DENIED, + UWB_RSV_STATE_T_CONFLICT, UWB_RSV_STATE_T_PENDING, + UWB_RSV_STATE_T_EXPANDING_ACCEPTED, + UWB_RSV_STATE_T_EXPANDING_CONFLICT, + UWB_RSV_STATE_T_EXPANDING_PENDING, + UWB_RSV_STATE_T_EXPANDING_DENIED, + UWB_RSV_STATE_T_RESIZED, UWB_RSV_STATE_LAST, }; @@ -149,6 +180,12 @@ struct uwb_rsv_target { }; }; +struct uwb_rsv_move { + struct uwb_mas_bm final_mas; + struct uwb_ie_drp *companion_drp_ie; + struct uwb_mas_bm companion_mas; +}; + /* * Number of streams reserved for reservations targeted at DevAddrs. */ @@ -186,6 +223,7 @@ typedef void (*uwb_rsv_cb_f)(struct uwb_rsv *rsv); * * @status: negotiation status * @stream: stream index allocated for this reservation + * @tiebreaker: conflict tiebreaker for this reservation * @mas: reserved MAS * @drp_ie: the DRP IE * @ie_valid: true iff the DRP IE matches the reservation parameters @@ -201,25 +239,29 @@ struct uwb_rsv { struct uwb_rc *rc; struct list_head rc_node; struct list_head pal_node; + struct kref kref; struct uwb_dev *owner; struct uwb_rsv_target target; enum uwb_drp_type type; int max_mas; int min_mas; - int sparsity; + int max_interval; bool is_multicast; uwb_rsv_cb_f callback; void *pal_priv; enum uwb_rsv_state state; + bool needs_release_companion_mas; u8 stream; + u8 tiebreaker; struct uwb_mas_bm mas; struct uwb_ie_drp *drp_ie; + struct uwb_rsv_move mv; bool ie_valid; struct timer_list timer; - bool expired; + struct work_struct handle_timeout_work; }; static const @@ -261,6 +303,13 @@ struct uwb_drp_avail { bool ie_valid; }; +struct uwb_drp_backoff_win { + u8 window; + u8 n; + int total_expired; + struct timer_list timer; + bool can_reserve_extra_mases; +}; const char *uwb_rsv_state_str(enum uwb_rsv_state state); const char *uwb_rsv_type_str(enum uwb_drp_type type); @@ -276,6 +325,8 @@ void uwb_rsv_terminate(struct uwb_rsv *rsv); void uwb_rsv_accept(struct uwb_rsv *rsv, uwb_rsv_cb_f cb, void *pal_priv); +void uwb_rsv_get_usable_mas(struct uwb_rsv *orig_rsv, struct uwb_mas_bm *mas); + /** * Radio Control Interface instance * @@ -337,23 +388,33 @@ struct uwb_rc { u8 ctx_roll; int beaconing; /* Beaconing state [channel number] */ + int beaconing_forced; int scanning; enum uwb_scan_type scan_type:3; unsigned ready:1; struct uwb_notifs_chain notifs_chain; + struct uwb_beca uwb_beca; + + struct uwbd uwbd; + struct uwb_drp_backoff_win bow; struct uwb_drp_avail drp_avail; struct list_head reservations; + struct list_head cnflt_alien_list; + struct uwb_mas_bm cnflt_alien_bitmap; struct mutex rsvs_mutex; + spinlock_t rsvs_lock; struct workqueue_struct *rsv_workq; - struct work_struct rsv_update_work; + struct delayed_work rsv_update_work; + struct delayed_work rsv_alien_bp_work; + int set_drp_ie_pending; struct mutex ies_mutex; struct uwb_rc_cmd_set_ie *ies; size_t ies_capacity; - spinlock_t pal_lock; struct list_head pals; + int active_pals; struct uwb_dbg *dbg; }; @@ -361,11 +422,19 @@ struct uwb_rc { /** * struct uwb_pal - a UWB PAL - * @name: descriptive name for this PAL (wushc, wlp, etc.). + * @name: descriptive name for this PAL (wusbhc, wlp, etc.). * @device: a device for the PAL. Used to link the PAL and the radio * controller in sysfs. + * @rc: the radio controller the PAL uses. + * @channel_changed: called when the channel used by the radio changes. + * A channel of -1 means the channel has been stopped. * @new_rsv: called when a peer requests a reservation (may be NULL if * the PAL cannot accept reservation requests). + * @channel: channel being used by the PAL; 0 if the PAL isn't using + * the radio; -1 if the PAL wishes to use the radio but + * cannot. + * @debugfs_dir: a debugfs directory which the PAL can use for its own + * debugfs files. * * A Protocol Adaptation Layer (PAL) is a user of the WiMedia UWB * radio platform (e.g., WUSB, WLP or Bluetooth UWB AMP). @@ -384,12 +453,21 @@ struct uwb_pal { struct list_head node; const char *name; struct device *device; - void (*new_rsv)(struct uwb_rsv *rsv); + struct uwb_rc *rc; + + void (*channel_changed)(struct uwb_pal *pal, int channel); + void (*new_rsv)(struct uwb_pal *pal, struct uwb_rsv *rsv); + + int channel; + struct dentry *debugfs_dir; }; void uwb_pal_init(struct uwb_pal *pal); -int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal); -void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal); +int uwb_pal_register(struct uwb_pal *pal); +void uwb_pal_unregister(struct uwb_pal *pal); + +int uwb_radio_start(struct uwb_pal *pal); +void uwb_radio_stop(struct uwb_pal *pal); /* * General public API @@ -443,8 +521,6 @@ ssize_t uwb_rc_vcmd(struct uwb_rc *rc, const char *cmd_name, struct uwb_rccb *cmd, size_t cmd_size, u8 expected_type, u16 expected_event, struct uwb_rceb **preply); -ssize_t uwb_rc_get_ie(struct uwb_rc *, struct uwb_rc_evt_get_ie **); -int uwb_bg_joined(struct uwb_rc *rc); size_t __uwb_addr_print(char *, size_t, const unsigned char *, int); @@ -520,6 +596,8 @@ void uwb_rc_rm(struct uwb_rc *); void uwb_rc_neh_grok(struct uwb_rc *, void *, size_t); void uwb_rc_neh_error(struct uwb_rc *, int); void uwb_rc_reset_all(struct uwb_rc *rc); +void uwb_rc_pre_reset(struct uwb_rc *rc); +void uwb_rc_post_reset(struct uwb_rc *rc); /** * uwb_rsv_is_owner - is the owner of this reservation the RC? @@ -531,7 +609,9 @@ static inline bool uwb_rsv_is_owner(struct uwb_rsv *rsv) } /** - * Events generated by UWB that can be passed to any listeners + * enum uwb_notifs - UWB events that can be passed to any listeners + * @UWB_NOTIF_ONAIR: a new neighbour has joined the beacon group. + * @UWB_NOTIF_OFFAIR: a neighbour has left the beacon group. * * Higher layers can register callback functions with the radio * controller using uwb_notifs_register(). The radio controller @@ -539,8 +619,6 @@ static inline bool uwb_rsv_is_owner(struct uwb_rsv *rsv) * nodes when an event occurs. */ enum uwb_notifs { - UWB_NOTIF_BG_JOIN = 0, /* radio controller joined a beacon group */ - UWB_NOTIF_BG_LEAVE = 1, /* radio controller left a beacon group */ UWB_NOTIF_ONAIR, UWB_NOTIF_OFFAIR, }; @@ -652,22 +730,9 @@ static inline int edc_inc(struct edc *err_hist, u16 max_err, u16 timeframe) /* Information Element handling */ -/* For representing the state of writing to a buffer when iterating */ -struct uwb_buf_ctx { - char *buf; - size_t bytes, size; -}; - -typedef int (*uwb_ie_f)(struct uwb_dev *, const struct uwb_ie_hdr *, - size_t, void *); struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len); -ssize_t uwb_ie_for_each(struct uwb_dev *uwb_dev, uwb_ie_f fn, void *data, - const void *buf, size_t size); -int uwb_ie_dump_hex(struct uwb_dev *, const struct uwb_ie_hdr *, - size_t, void *); -int uwb_rc_set_ie(struct uwb_rc *, struct uwb_rc_cmd_set_ie *); -struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len); - +int uwb_rc_ie_add(struct uwb_rc *uwb_rc, const struct uwb_ie_hdr *ies, size_t size); +int uwb_rc_ie_rm(struct uwb_rc *uwb_rc, enum uwb_ie element_id); /* * Transmission statistics diff --git a/include/linux/uwb/debug-cmd.h b/include/linux/uwb/debug-cmd.h index 1141f41bab5..8da004e2562 100644 --- a/include/linux/uwb/debug-cmd.h +++ b/include/linux/uwb/debug-cmd.h @@ -32,6 +32,10 @@ enum uwb_dbg_cmd_type { UWB_DBG_CMD_RSV_ESTABLISH = 1, UWB_DBG_CMD_RSV_TERMINATE = 2, + UWB_DBG_CMD_IE_ADD = 3, + UWB_DBG_CMD_IE_RM = 4, + UWB_DBG_CMD_RADIO_START = 5, + UWB_DBG_CMD_RADIO_STOP = 6, }; struct uwb_dbg_cmd_rsv_establish { @@ -39,18 +43,25 @@ struct uwb_dbg_cmd_rsv_establish { __u8 type; __u16 max_mas; __u16 min_mas; - __u8 sparsity; + __u8 max_interval; }; struct uwb_dbg_cmd_rsv_terminate { int index; }; +struct uwb_dbg_cmd_ie { + __u8 data[128]; + int len; +}; + struct uwb_dbg_cmd { __u32 type; union { struct uwb_dbg_cmd_rsv_establish rsv_establish; struct uwb_dbg_cmd_rsv_terminate rsv_terminate; + struct uwb_dbg_cmd_ie ie_add; + struct uwb_dbg_cmd_ie ie_rm; }; }; diff --git a/include/linux/uwb/debug.h b/include/linux/uwb/debug.h deleted file mode 100644 index a86a73fe303..00000000000 --- a/include/linux/uwb/debug.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Ultra Wide Band - * Debug Support - * - * Copyright (C) 2005-2006 Intel Corporation - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * - * FIXME: doc - * Invoke like: - * - * #define D_LOCAL 4 - * #include <linux/uwb/debug.h> - * - * At the end of your include files. - */ -#include <linux/types.h> - -struct device; -extern void dump_bytes(struct device *dev, const void *_buf, size_t rsize); - -/* Master debug switch; !0 enables, 0 disables */ -#define D_MASTER (!0) - -/* Local (per-file) debug switch; #define before #including */ -#ifndef D_LOCAL -#define D_LOCAL 0 -#endif - -#undef __d_printf -#undef d_fnstart -#undef d_fnend -#undef d_printf -#undef d_dump - -#define __d_printf(l, _tag, _dev, f, a...) \ -do { \ - struct device *__dev = (_dev); \ - if (D_MASTER && D_LOCAL >= (l)) { \ - char __head[64] = ""; \ - if (_dev != NULL) { \ - if ((unsigned long)__dev < 4096) \ - printk(KERN_ERR "E: Corrupt dev %p\n", \ - __dev); \ - else \ - snprintf(__head, sizeof(__head), \ - "%s %s: ", \ - dev_driver_string(__dev), \ - __dev->bus_id); \ - } \ - printk(KERN_ERR "%s%s" _tag ": " f, __head, \ - __func__, ## a); \ - } \ -} while (0 && _dev) - -#define d_fnstart(l, _dev, f, a...) \ - __d_printf(l, " FNSTART", _dev, f, ## a) -#define d_fnend(l, _dev, f, a...) \ - __d_printf(l, " FNEND", _dev, f, ## a) -#define d_printf(l, _dev, f, a...) \ - __d_printf(l, "", _dev, f, ## a) -#define d_dump(l, _dev, ptr, size) \ -do { \ - struct device *__dev = _dev; \ - if (D_MASTER && D_LOCAL >= (l)) \ - dump_bytes(__dev, ptr, size); \ -} while (0 && _dev) -#define d_test(l) (D_MASTER && D_LOCAL >= (l)) diff --git a/include/linux/uwb/spec.h b/include/linux/uwb/spec.h index 198c15f8e25..b52e44f1bd3 100644 --- a/include/linux/uwb/spec.h +++ b/include/linux/uwb/spec.h @@ -59,6 +59,11 @@ enum { UWB_NUM_ZONES = 16 }; #define UWB_MAS_PER_ZONE (UWB_NUM_MAS / UWB_NUM_ZONES) /* + * Number of MAS required before a row can be considered available. + */ +#define UWB_USABLE_MAS_PER_ROW (UWB_NUM_ZONES - 1) + +/* * Number of streams per DRP reservation between a pair of devices. * * [ECMA-368] section 16.8.6. @@ -94,6 +99,26 @@ enum { UWB_BEACON_SLOT_LENGTH_US = 85 }; enum { UWB_MAX_LOST_BEACONS = 3 }; /* + * mDRPBackOffWinMin + * + * The minimum number of superframes to wait before trying to reserve + * extra MAS. + * + * [ECMA-368] section 17.16 + */ +enum { UWB_DRP_BACKOFF_WIN_MIN = 2 }; + +/* + * mDRPBackOffWinMax + * + * The maximum number of superframes to wait before trying to reserve + * extra MAS. + * + * [ECMA-368] section 17.16 + */ +enum { UWB_DRP_BACKOFF_WIN_MAX = 16 }; + +/* * Length of a superframe in microseconds. */ #define UWB_SUPERFRAME_LENGTH_US (UWB_MAS_LENGTH_US * UWB_NUM_MAS) @@ -200,6 +225,12 @@ enum uwb_drp_reason { UWB_DRP_REASON_MODIFIED, }; +/** Relinquish Request Reason Codes ([ECMA-368] table 113) */ +enum uwb_relinquish_req_reason { + UWB_RELINQUISH_REQ_REASON_NON_SPECIFIC = 0, + UWB_RELINQUISH_REQ_REASON_OVER_ALLOCATION, +}; + /** * DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9]) */ @@ -252,6 +283,7 @@ enum uwb_ie { UWB_APP_SPEC_PROBE_IE = 15, UWB_IDENTIFICATION_IE = 19, UWB_MASTER_KEY_ID_IE = 20, + UWB_RELINQUISH_REQUEST_IE = 21, UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */ UWB_APP_SPEC_IE = 255, }; @@ -365,6 +397,27 @@ struct uwb_ie_drp_avail { DECLARE_BITMAP(bmp, UWB_NUM_MAS); } __attribute__((packed)); +/* Relinqish Request IE ([ECMA-368] section 16.8.19). */ +struct uwb_relinquish_request_ie { + struct uwb_ie_hdr hdr; + __le16 relinquish_req_control; + struct uwb_dev_addr dev_addr; + struct uwb_drp_alloc allocs[]; +} __attribute__((packed)); + +static inline int uwb_ie_relinquish_req_reason_code(struct uwb_relinquish_request_ie *ie) +{ + return (le16_to_cpu(ie->relinquish_req_control) >> 0) & 0xf; +} + +static inline void uwb_ie_relinquish_req_set_reason_code(struct uwb_relinquish_request_ie *ie, + int reason_code) +{ + u16 ctrl = le16_to_cpu(ie->relinquish_req_control); + ctrl = (ctrl & ~(0xf << 0)) | (reason_code << 0); + ie->relinquish_req_control = cpu_to_le16(ctrl); +} + /** * The Vendor ID is set to an OUI that indicates the vendor of the device. * ECMA-368 [16.8.10] diff --git a/include/linux/uwb/umc.h b/include/linux/uwb/umc.h index 36a39e34f8d..4b4fc0f4385 100644 --- a/include/linux/uwb/umc.h +++ b/include/linux/uwb/umc.h @@ -89,6 +89,8 @@ struct umc_driver { void (*remove)(struct umc_dev *); int (*suspend)(struct umc_dev *, pm_message_t state); int (*resume)(struct umc_dev *); + int (*pre_reset)(struct umc_dev *); + int (*post_reset)(struct umc_dev *); struct device_driver driver; }; diff --git a/include/linux/wlp.h b/include/linux/wlp.h index 033545e145c..ac95ce6606a 100644 --- a/include/linux/wlp.h +++ b/include/linux/wlp.h @@ -646,6 +646,7 @@ struct wlp_wss { struct wlp { struct mutex mutex; struct uwb_rc *rc; /* UWB radio controller */ + struct net_device *ndev; struct uwb_pal pal; struct wlp_eda eda; struct wlp_uuid uuid; @@ -675,7 +676,7 @@ struct wlp_wss_attribute { static struct wlp_wss_attribute wss_attr_##_name = __ATTR(_name, _mode, \ _show, _store) -extern int wlp_setup(struct wlp *, struct uwb_rc *); +extern int wlp_setup(struct wlp *, struct uwb_rc *, struct net_device *ndev); extern void wlp_remove(struct wlp *); extern ssize_t wlp_neighborhood_show(struct wlp *, char *); extern int wlp_wss_setup(struct net_device *, struct wlp_wss *); |