Merge branch 'locks' of git://linux-nfs.org/~bfields/linux

[linux-2.6] / arch / powerpc / platforms / cell / spufs / spufs.h

diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 1438aa2c346eb0478847a6ed378406e2cf2a5e44..ca47b991bda5e3dd639d8b40b5dccf47d4a1557e 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -40,7 +40,9 @@ enum {
 struct spu_context_ops;
 struct spu_gang;
 
+/* ctx->sched_flags */
 enum {
+       SPU_SCHED_NOTIFY_ACTIVE,
        SPU_SCHED_WAS_ACTIVE,   /* was active upon spu_acquire_saved()  */
 };
 
@@ -80,6 +82,8 @@ struct spu_context {
 
        struct list_head gang_list;
        struct spu_gang *gang;
+       struct kref *prof_priv_kref;
+       void ( * prof_priv_release) (struct kref *kref);
 
        /* owner thread */
        pid_t tid;
@@ -109,6 +113,10 @@ struct spu_context {
                unsigned long long class2_intr_base; /* # at last ctx switch */
                unsigned long long libassist;
        } stats;
+
+       struct list_head aff_list;
+       int aff_head;
+       int aff_offset;
 };
 
 struct spu_gang {
@@ -116,8 +124,19 @@ struct spu_gang {
        struct mutex mutex;
        struct kref kref;
        int contexts;
+
+       struct spu_context *aff_ref_ctx;
+       struct list_head aff_list_head;
+       struct mutex aff_mutex;
+       int aff_flags;
+       struct spu *aff_ref_spu;
+       atomic_t aff_sched_count;
 };
 
+/* Flag bits for spu_gang aff_flags */
+#define AFF_OFFSETS_SET                1
+#define AFF_MERGED             2
+
 struct mfc_dma_command {
        int32_t pad;    /* reserved */
        uint32_t lsa;   /* local storage address */
@@ -181,10 +200,14 @@ 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(struct nameidata *nd,
-                        unsigned int flags, mode_t mode);
+extern struct spufs_calls spufs_calls;
+long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status);
+long spufs_create(struct nameidata *nd, unsigned int flags,
+                       mode_t mode, struct file *filp);
+/* ELF coredump callbacks for writing SPU ELF notes */
+extern int spufs_coredump_extra_notes_size(void);
+extern int spufs_coredump_extra_notes_write(struct file *file, loff_t *foffset);
+
 extern const struct file_operations spufs_context_fops;
 
 /* gang management */
@@ -197,6 +220,9 @@ void spu_gang_add_ctx(struct spu_gang *gang, struct spu_context *ctx);
 /* fault handling */
 int spufs_handle_class1(struct spu_context *ctx);
 
+/* affinity */
+struct spu *affinity_check(struct spu_context *ctx);
+
 /* context management */
 extern atomic_t nr_spu_contexts;
 static inline void spu_acquire(struct spu_context *ctx)
@@ -223,6 +249,7 @@ void spu_release_saved(struct spu_context *ctx);
 int spu_activate(struct spu_context *ctx, unsigned long flags);
 void spu_deactivate(struct spu_context *ctx);
 void spu_yield(struct spu_context *ctx);
+void spu_switch_notify(struct spu *spu, struct spu_context *ctx);
 void spu_set_timeslice(struct spu_context *ctx);
 void spu_update_sched_info(struct spu_context *ctx);
 void __spu_update_sched_info(struct spu_context *ctx);
@@ -273,7 +300,7 @@ 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);
+       u64 (*get)(struct spu_context *ctx);
        size_t size;
 };
 extern struct spufs_coredump_reader spufs_coredump_read[];