Merge branch 'for-linus' of git://www.linux-m32r.org/git/takata/linux-2.6_dev

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / spu.h

diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 5f894b61e2d4082821ff7bcb4443e16f2985adaf..5bde3980bf496d3e8336565f71402d7296ec8beb 100644 (file)
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -106,6 +106,14 @@ struct spu_context;
 struct spu_runqueue;
 struct device_node;
 
+enum spu_utilization_state {
+       SPU_UTIL_USER,
+       SPU_UTIL_SYSTEM,
+       SPU_UTIL_IOWAIT,
+       SPU_UTIL_IDLE_LOADED,
+       SPU_UTIL_MAX
+};
+
 struct spu {
        const char *name;
        unsigned long local_store_phys;
@@ -113,15 +121,16 @@ struct spu {
        unsigned long problem_phys;
        struct spu_problem __iomem *problem;
        struct spu_priv2 __iomem *priv2;
-       struct list_head list;
-       struct list_head sched_list;
+       struct list_head cbe_list;
        struct list_head full_list;
+       enum { SPU_FREE, SPU_USED } alloc_state;
        int number;
        unsigned int irqs[3];
        u32 node;
        u64 flags;
        u64 dar;
        u64 dsisr;
+       u64 class_0_pending;
        size_t ls_size;
        unsigned int slb_replace;
        struct mm_struct *mm;
@@ -129,7 +138,7 @@ struct spu {
        struct spu_runqueue *rq;
        unsigned long long timestamp;
        pid_t pid;
-       int class_0_pending;
+       pid_t tgid;
        spinlock_t register_lock;
 
        void (* wbox_callback)(struct spu *spu);
@@ -156,15 +165,49 @@ struct spu {
        u64 shadow_int_mask_RW[3];
 
        struct sys_device sysdev;
+
+       int has_mem_affinity;
+       struct list_head aff_list;
+
+       struct {
+               /* protected by interrupt reentrancy */
+               enum spu_utilization_state util_state;
+               unsigned long long tstamp;
+               unsigned long long times[SPU_UTIL_MAX];
+               unsigned long long vol_ctx_switch;
+               unsigned long long invol_ctx_switch;
+               unsigned long long min_flt;
+               unsigned long long maj_flt;
+               unsigned long long hash_flt;
+               unsigned long long slb_flt;
+               unsigned long long class2_intr;
+               unsigned long long libassist;
+       } stats;
 };
 
-struct spu *spu_alloc(void);
-struct spu *spu_alloc_node(int node);
-void spu_free(struct spu *spu);
+struct cbe_spu_info {
+       struct mutex list_mutex;
+       struct list_head spus;
+       int n_spus;
+       int nr_active;
+       atomic_t reserved_spus;
+};
+
+extern struct cbe_spu_info cbe_spu_info[];
+
+void spu_init_channels(struct spu *spu);
 int spu_irq_class_0_bottom(struct spu *spu);
 int spu_irq_class_1_bottom(struct spu *spu);
 void spu_irq_setaffinity(struct spu *spu, int cpu);
 
+#ifdef CONFIG_KEXEC
+void crash_register_spus(struct list_head *list);
+#else
+static inline void crash_register_spus(struct list_head *list)
+{
+}
+#endif
+
 extern void spu_invalidate_slbs(struct spu *spu);
 extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
 
@@ -172,6 +215,20 @@ extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
 struct mm_struct;
 extern void spu_flush_all_slbs(struct mm_struct *mm);
 
+/* This interface allows a profiler (e.g., OProfile) to store a ref
+ * to spu context information that it creates. This caching technique
+ * avoids the need to recreate this information after a save/restore operation.
+ *
+ * Assumes the caller has already incremented the ref count to
+ * profile_info; then spu_context_destroy must call kref_put
+ * on prof_info_kref.
+ */
+void spu_set_profile_private_kref(struct spu_context *ctx,
+                                 struct kref *prof_info_kref,
+                                 void ( * prof_info_release) (struct kref *kref));
+
+void *spu_get_profile_private_kref(struct spu_context *ctx);
+
 /* system callbacks from the SPU */
 struct spu_syscall_block {
        u64 nr_ret;
@@ -183,7 +240,8 @@ extern long spu_sys_callback(struct spu_syscall_block *s);
 struct file;
 extern struct spufs_calls {
        asmlinkage long (*create_thread)(const char __user *name,
-                                       unsigned int flags, mode_t mode);
+                                       unsigned int flags, mode_t mode,
+                                       struct file *neighbor);
        asmlinkage long (*spu_run)(struct file *filp, __u32 __user *unpc,
                                                __u32 __user *ustatus);
        struct module *owner;
@@ -210,8 +268,10 @@ struct spu_coredump_calls {
 #define SPU_CREATE_GANG                        0x0002
 #define SPU_CREATE_NOSCHED             0x0004
 #define SPU_CREATE_ISOLATE             0x0008
+#define SPU_CREATE_AFFINITY_SPU                0x0010
+#define SPU_CREATE_AFFINITY_MEM                0x0020
 
-#define SPU_CREATE_FLAG_ALL            0x000f /* mask of all valid flags */
+#define SPU_CREATE_FLAG_ALL            0x003f /* mask of all valid flags */
 
 
 #ifdef CONFIG_SPU_FS_MODULE
@@ -380,6 +440,7 @@ struct spu_priv2 {
 #define MFC_CNTL_RESUME_DMA_QUEUE              (0ull << 0)
 #define MFC_CNTL_SUSPEND_DMA_QUEUE             (1ull << 0)
 #define MFC_CNTL_SUSPEND_DMA_QUEUE_MASK                (1ull << 0)
+#define MFC_CNTL_SUSPEND_MASK                  (1ull << 4)
 #define MFC_CNTL_NORMAL_DMA_QUEUE_OPERATION    (0ull << 8)
 #define MFC_CNTL_SUSPEND_IN_PROGRESS           (1ull << 8)
 #define MFC_CNTL_SUSPEND_COMPLETE              (3ull << 8)