X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fcell%2Fspufs%2Fspufs.h;h=70fb13395c04b47325e6940df9c089c921ac3a8a;hb=refs%2Fheads%2Fvserver;hp=db2601f0abd54db2b3e571bba9c2cb37fa646523;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index db2601f0a..70fb13395 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -29,6 +29,7 @@
 
 #include <asm/spu.h>
 #include <asm/spu_csa.h>
+#include <asm/spu_info.h>
 
 /* The magic number for our file system */
 enum {
@@ -39,11 +40,18 @@ 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. */
 	spinlock_t mmio_lock;		  /* protects mmio access */
-	struct address_space *local_store;/* local store backing store */
+	struct address_space *local_store; /* local store mapping.  */
+	struct address_space *mfc;	   /* 'mfc' area mappings. */
+	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;
@@ -55,13 +63,38 @@ struct spu_context {
 	wait_queue_head_t ibox_wq;
 	wait_queue_head_t wbox_wq;
 	wait_queue_head_t stop_wq;
+	wait_queue_head_t mfc_wq;
 	struct fasync_struct *ibox_fasync;
 	struct fasync_struct *wbox_fasync;
+	struct fasync_struct *mfc_fasync;
+	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 {
+	int32_t pad;	/* reserved */
+	uint32_t lsa;	/* local storage address */
+	uint64_t ea;	/* effective address */
+	uint16_t size;	/* transfer size */
+	uint16_t tag;	/* command tag */
+	uint16_t class;	/* class ID */
+	uint16_t cmd;	/* command opcode */
 };
 
+
 /* SPU context query/set operations. */
 struct spu_context_ops {
 	int (*mbox_read) (struct spu_context * ctx, u32 * data);
@@ -82,8 +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);
+	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;
@@ -91,22 +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(struct address_space *local_store);
+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);
@@ -117,6 +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);
@@ -124,6 +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
@@ -159,5 +220,18 @@ size_t spu_ibox_read(struct spu_context *ctx, u32 *data);
 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