X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fpowerpc%2Fplatforms%2Fcell%2Fspufs%2Fspufs.h;h=70fb13395c04b47325e6940df9c089c921ac3a8a;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=4485738e2102d152899e44ad87a8ee683700abaa;hpb=16cf0ec7408f389279d413869e94c1a351392f97;p=linux-2.6.git diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 4485738e2..70fb13395 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -29,6 +29,7 @@ #include #include +#include /* The magic number for our file system */ enum { @@ -39,6 +40,8 @@ struct spu_context_ops; #define SPU_CONTEXT_PREEMPT 0UL +struct spu_gang; + struct spu_context { struct spu *spu; /* pointer to a physical SPU */ struct spu_state csa; /* SPU context save area. */ @@ -48,6 +51,7 @@ struct spu_context { struct address_space *cntl; /* 'control' area mappings. */ struct address_space *signal1; /* 'signal1' area mappings. */ struct address_space *signal2; /* 'signal2' area mappings. */ + u64 object_id; /* user space pointer for oprofile */ enum { SPU_STATE_RUNNABLE, SPU_STATE_SAVED } state; struct rw_semaphore state_sema; @@ -66,7 +70,18 @@ struct spu_context { u32 tagwait; struct spu_context_ops *ops; struct work_struct reap_work; - u64 flags; + unsigned long flags; + unsigned long event_return; + + struct list_head gang_list; + struct spu_gang *gang; +}; + +struct spu_gang { + struct list_head list; + struct mutex mutex; + struct kref kref; + int contexts; }; struct mfc_dma_command { @@ -100,13 +115,19 @@ struct spu_context_ops { void (*npc_write) (struct spu_context * ctx, u32 data); u32(*status_read) (struct spu_context * ctx); char*(*get_ls) (struct spu_context * ctx); + u32 (*runcntl_read) (struct spu_context * ctx); void (*runcntl_write) (struct spu_context * ctx, u32 data); - void (*runcntl_stop) (struct spu_context * ctx); + void (*master_start) (struct spu_context * ctx); + void (*master_stop) (struct spu_context * ctx); int (*set_mfc_query)(struct spu_context * ctx, u32 mask, u32 mode); u32 (*read_mfc_tagstatus)(struct spu_context * ctx); u32 (*get_mfc_free_elements)(struct spu_context *ctx); - int (*send_mfc_command)(struct spu_context *ctx, - struct mfc_dma_command *cmd); + int (*send_mfc_command)(struct spu_context * ctx, + struct mfc_dma_command * cmd); + void (*dma_info_read) (struct spu_context * ctx, + struct spu_dma_info * info); + void (*proxydma_info_read) (struct spu_context * ctx, + struct spu_proxydma_info * info); }; extern struct spu_context_ops spu_hw_ops; @@ -114,22 +135,31 @@ extern struct spu_context_ops spu_backing_ops; struct spufs_inode_info { struct spu_context *i_ctx; + struct spu_gang *i_gang; struct inode vfs_inode; }; #define SPUFS_I(inode) \ container_of(inode, struct spufs_inode_info, vfs_inode) extern struct tree_descr spufs_dir_contents[]; +extern struct tree_descr spufs_dir_nosched_contents[]; /* system call implementation */ long spufs_run_spu(struct file *file, struct spu_context *ctx, u32 *npc, u32 *status); -long spufs_create_thread(struct nameidata *nd, +long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode); extern struct file_operations spufs_context_fops; +/* gang management */ +struct spu_gang *alloc_spu_gang(void); +struct spu_gang *get_spu_gang(struct spu_gang *gang); +int put_spu_gang(struct spu_gang *gang); +void spu_gang_remove_ctx(struct spu_gang *gang, struct spu_context *ctx); +void spu_gang_add_ctx(struct spu_gang *gang, struct spu_context *ctx); + /* context management */ -struct spu_context * alloc_spu_context(void); +struct spu_context * alloc_spu_context(struct spu_gang *gang); void destroy_spu_context(struct kref *kref); struct spu_context * get_spu_context(struct spu_context *ctx); int put_spu_context(struct spu_context *ctx); @@ -140,6 +170,12 @@ void spu_acquire(struct spu_context *ctx); void spu_release(struct spu_context *ctx); int spu_acquire_runnable(struct spu_context *ctx); void spu_acquire_saved(struct spu_context *ctx); +int spu_acquire_exclusive(struct spu_context *ctx); + +static inline void spu_release_exclusive(struct spu_context *ctx) +{ + up_write(&ctx->state_sema); +} int spu_activate(struct spu_context *ctx, u64 flags); void spu_deactivate(struct spu_context *ctx); @@ -147,6 +183,8 @@ void spu_yield(struct spu_context *ctx); int __init spu_sched_init(void); void __exit spu_sched_exit(void); +extern char *isolated_loader; + /* * spufs_wait * Same as wait_event_interruptible(), except that here @@ -183,5 +221,17 @@ void spufs_ibox_callback(struct spu *spu); void spufs_wbox_callback(struct spu *spu); void spufs_stop_callback(struct spu *spu); void spufs_mfc_callback(struct spu *spu); +void spufs_dma_callback(struct spu *spu, int type); + +extern struct spu_coredump_calls spufs_coredump_calls; +struct spufs_coredump_reader { + char *name; + ssize_t (*read)(struct spu_context *ctx, + char __user *buffer, size_t size, loff_t *pos); + u64 (*get)(void *data); + size_t size; +}; +extern struct spufs_coredump_reader spufs_coredump_read[]; +extern int spufs_coredump_num_notes; #endif