1 files changed, 23 insertions, 41 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index ca47b991bda5..0e114038ea6f 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -71,6 +71,7 @@ struct spu_context {
         wait_queue_head_t wbox_wq;
         wait_queue_head_t stop_wq;
         wait_queue_head_t mfc_wq;
+        wait_queue_head_t run_wq;
         struct fasync_struct *ibox_fasync;
         struct fasync_struct *wbox_fasync;
         struct fasync_struct *mfc_fasync;
@@ -168,8 +169,10 @@ 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);
+        void (*privcntl_write) (struct spu_context *ctx, u64 data);
          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);
@@ -219,15 +222,16 @@ void spu_gang_add_ctx(struct spu_gang *gang, struct spu_context *ctx);
 
 /* fault handling */
 int spufs_handle_class1(struct spu_context *ctx);
+int spufs_handle_class0(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)
+static inline int __must_check spu_acquire(struct spu_context *ctx)
 {
-        mutex_lock(&ctx->state_mutex);
+        return mutex_lock_interruptible(&ctx->state_mutex);
 }
 
 static inline void spu_release(struct spu_context *ctx)
@@ -242,10 +246,11 @@ int put_spu_context(struct spu_context *ctx);
 void spu_unmap_mappings(struct spu_context *ctx);
 
 void spu_forget(struct spu_context *ctx);
-int spu_acquire_runnable(struct spu_context *ctx, unsigned long flags);
-void spu_acquire_saved(struct spu_context *ctx);
+int __must_check spu_acquire_saved(struct spu_context *ctx);
 void spu_release_saved(struct spu_context *ctx);
 
+int spu_stopped(struct spu_context *ctx, u32 * stat);
+void spu_del_from_rq(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);
@@ -279,7 +284,9 @@ extern char *isolated_loader;
                 }                                                       \
                 spu_release(ctx);                                       \
                 schedule();                                             \
-                spu_acquire(ctx);                                       \
+                __ret = spu_acquire(ctx);                               \
+                if (__ret)                                              \
+                        break;                                          \
         }                                                               \
         finish_wait(&(wq), &__wait);                                    \
         __ret;                                                          \
@@ -306,41 +313,16 @@ struct spufs_coredump_reader {
 extern struct spufs_coredump_reader spufs_coredump_read[];
 extern int spufs_coredump_num_notes;
 
-/*
- * This function is a little bit too large for an inline, but
- * as fault.c is built into the kernel we can't move it out of
- * line.
- */
-static inline void spuctx_switch_state(struct spu_context *ctx,
-                enum spu_utilization_state new_state)
-{
-        unsigned long long curtime;
-        signed long long delta;
-        struct timespec ts;
-        struct spu *spu;
-        enum spu_utilization_state old_state;
-
-        ktime_get_ts(&ts);
-        curtime = timespec_to_ns(&ts);
-        delta = curtime - ctx->stats.tstamp;
-
-        WARN_ON(!mutex_is_locked(&ctx->state_mutex));
-        WARN_ON(delta < 0);
-
-        spu = ctx->spu;
-        old_state = ctx->stats.util_state;
-        ctx->stats.util_state = new_state;
-        ctx->stats.tstamp = curtime;
-
-        /*
-         * Update the physical SPU utilization statistics.
-         */
-        if (spu) {
-                ctx->stats.times[old_state] += delta;
-                spu->stats.times[old_state] += delta;
-                spu->stats.util_state = new_state;
-                spu->stats.tstamp = curtime;
-        }
-}
+extern int spu_init_csa(struct spu_state *csa);
+extern void spu_fini_csa(struct spu_state *csa);
+extern int spu_save(struct spu_state *prev, struct spu *spu);
+extern int spu_restore(struct spu_state *new, struct spu *spu);
+extern int spu_switch(struct spu_state *prev, struct spu_state *new,
+                      struct spu *spu);
+extern int spu_alloc_lscsa(struct spu_state *csa);
+extern void spu_free_lscsa(struct spu_state *csa);
+
+extern void spuctx_switch_state(struct spu_context *ctx,
+                enum spu_utilization_state new_state);
 
 #endif