}
#ifdef CONFIG_SPU_FS_64K_LS
-unsigned long spufs_get_unmapped_area(struct file *file, unsigned long addr,
- unsigned long len, unsigned long pgoff,
- unsigned long flags)
+static unsigned long spufs_get_unmapped_area(struct file *file,
+ unsigned long addr, unsigned long len, unsigned long pgoff,
+ unsigned long flags)
{
struct spu_context *ctx = file->private_data;
struct spu_state *csa = &ctx->csa;
spu_acquire_saved(ctx);
ret = __spufs_regs_read(ctx, buffer, size, pos);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
ret = copy_from_user(lscsa->gprs + *pos - size,
buffer, size) ? -EFAULT : size;
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
spu_acquire_saved(ctx);
ret = __spufs_fpcr_read(ctx, buffer, size, pos);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
ret = copy_from_user((char *)&lscsa->fpcr + *pos - size,
buffer, size) ? -EFAULT : size;
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
if (count)
goto out;
- /* write aѕ much as possible */
+ /* write as much as possible */
for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) {
int ret;
ret = __get_user(wbox_data, udata);
spu_acquire_saved(ctx);
ret = __spufs_signal1_read(ctx, buf, len, pos);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
.mmap = spufs_signal1_mmap,
};
+static const struct file_operations spufs_signal1_nosched_fops = {
+ .open = spufs_signal1_open,
+ .release = spufs_signal1_release,
+ .write = spufs_signal1_write,
+ .mmap = spufs_signal1_mmap,
+};
+
static int spufs_signal2_open(struct inode *inode, struct file *file)
{
struct spufs_inode_info *i = SPUFS_I(inode);
spu_acquire_saved(ctx);
ret = __spufs_signal2_read(ctx, buf, len, pos);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
.mmap = spufs_signal2_mmap,
};
+static const struct file_operations spufs_signal2_nosched_fops = {
+ .open = spufs_signal2_open,
+ .release = spufs_signal2_release,
+ .write = spufs_signal2_write,
+ .mmap = spufs_signal2_mmap,
+};
+
+/*
+ * This is a wrapper around DEFINE_SIMPLE_ATTRIBUTE which does the
+ * work of acquiring (or not) the SPU context before calling through
+ * to the actual get routine. The set routine is called directly.
+ */
+#define SPU_ATTR_NOACQUIRE 0
+#define SPU_ATTR_ACQUIRE 1
+#define SPU_ATTR_ACQUIRE_SAVED 2
+
+#define DEFINE_SPUFS_ATTRIBUTE(__name, __get, __set, __fmt, __acquire) \
+static u64 __##__get(void *data) \
+{ \
+ struct spu_context *ctx = data; \
+ u64 ret; \
+ \
+ if (__acquire == SPU_ATTR_ACQUIRE) { \
+ spu_acquire(ctx); \
+ ret = __get(ctx); \
+ spu_release(ctx); \
+ } else if (__acquire == SPU_ATTR_ACQUIRE_SAVED) { \
+ spu_acquire_saved(ctx); \
+ ret = __get(ctx); \
+ spu_release_saved(ctx); \
+ } else \
+ ret = __get(ctx); \
+ \
+ return ret; \
+} \
+DEFINE_SIMPLE_ATTRIBUTE(__name, __##__get, __set, __fmt);
+
static void spufs_signal1_type_set(void *data, u64 val)
{
struct spu_context *ctx = data;
spu_release(ctx);
}
-static u64 __spufs_signal1_type_get(void *data)
+static u64 spufs_signal1_type_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
return ctx->ops->signal1_type_get(ctx);
}
+DEFINE_SPUFS_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get,
+ spufs_signal1_type_set, "%llu", SPU_ATTR_ACQUIRE);
-static u64 spufs_signal1_type_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret;
-
- spu_acquire(ctx);
- ret = __spufs_signal1_type_get(data);
- spu_release(ctx);
-
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get,
- spufs_signal1_type_set, "%llu");
static void spufs_signal2_type_set(void *data, u64 val)
{
spu_release(ctx);
}
-static u64 __spufs_signal2_type_get(void *data)
+static u64 spufs_signal2_type_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
return ctx->ops->signal2_type_get(ctx);
}
-
-static u64 spufs_signal2_type_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret;
-
- spu_acquire(ctx);
- ret = __spufs_signal2_type_get(data);
- spu_release(ctx);
-
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
- spufs_signal2_type_set, "%llu");
+DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
+ spufs_signal2_type_set, "%llu", SPU_ATTR_ACQUIRE);
#if SPUFS_MMAP_4K
static unsigned long spufs_mss_mmap_nopfn(struct vm_area_struct *vma,
spu_release(ctx);
}
-static u64 spufs_npc_get(void *data)
+static u64 spufs_npc_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
- u64 ret;
- spu_acquire(ctx);
- ret = ctx->ops->npc_read(ctx);
- spu_release(ctx);
- return ret;
+ return ctx->ops->npc_read(ctx);
}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set,
- "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set,
+ "0x%llx\n", SPU_ATTR_ACQUIRE);
static void spufs_decr_set(void *data, u64 val)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
spu_acquire_saved(ctx);
lscsa->decr.slot[0] = (u32) val;
- spu_release(ctx);
+ spu_release_saved(ctx);
}
-static u64 __spufs_decr_get(void *data)
+static u64 spufs_decr_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
return lscsa->decr.slot[0];
}
-
-static u64 spufs_decr_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret;
- spu_acquire_saved(ctx);
- ret = __spufs_decr_get(data);
- spu_release(ctx);
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
- "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
+ "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED);
static void spufs_decr_status_set(void *data, u64 val)
{
struct spu_context *ctx = data;
- struct spu_lscsa *lscsa = ctx->csa.lscsa;
spu_acquire_saved(ctx);
- lscsa->decr_status.slot[0] = (u32) val;
- spu_release(ctx);
-}
-
-static u64 __spufs_decr_status_get(void *data)
-{
- struct spu_context *ctx = data;
- struct spu_lscsa *lscsa = ctx->csa.lscsa;
- return lscsa->decr_status.slot[0];
+ if (val)
+ ctx->csa.priv2.mfc_control_RW |= MFC_CNTL_DECREMENTER_RUNNING;
+ else
+ ctx->csa.priv2.mfc_control_RW &= ~MFC_CNTL_DECREMENTER_RUNNING;
+ spu_release_saved(ctx);
}
-static u64 spufs_decr_status_get(void *data)
+static u64 spufs_decr_status_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
- u64 ret;
- spu_acquire_saved(ctx);
- ret = __spufs_decr_status_get(data);
- spu_release(ctx);
- return ret;
+ if (ctx->csa.priv2.mfc_control_RW & MFC_CNTL_DECREMENTER_RUNNING)
+ return SPU_DECR_STATUS_RUNNING;
+ else
+ return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get,
- spufs_decr_status_set, "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get,
+ spufs_decr_status_set, "0x%llx\n",
+ SPU_ATTR_ACQUIRE_SAVED);
static void spufs_event_mask_set(void *data, u64 val)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
spu_acquire_saved(ctx);
lscsa->event_mask.slot[0] = (u32) val;
- spu_release(ctx);
+ spu_release_saved(ctx);
}
-static u64 __spufs_event_mask_get(void *data)
+static u64 spufs_event_mask_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
return lscsa->event_mask.slot[0];
}
-static u64 spufs_event_mask_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret;
- spu_acquire_saved(ctx);
- ret = __spufs_event_mask_get(data);
- spu_release(ctx);
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get,
- spufs_event_mask_set, "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get,
+ spufs_event_mask_set, "0x%llx\n",
+ SPU_ATTR_ACQUIRE_SAVED);
-static u64 __spufs_event_status_get(void *data)
+static u64 spufs_event_status_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
struct spu_state *state = &ctx->csa;
u64 stat;
stat = state->spu_chnlcnt_RW[0];
return state->spu_chnldata_RW[0];
return 0;
}
-
-static u64 spufs_event_status_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret = 0;
-
- spu_acquire_saved(ctx);
- ret = __spufs_event_status_get(data);
- spu_release(ctx);
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get,
- NULL, "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get,
+ NULL, "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED)
static void spufs_srr0_set(void *data, u64 val)
{
struct spu_lscsa *lscsa = ctx->csa.lscsa;
spu_acquire_saved(ctx);
lscsa->srr0.slot[0] = (u32) val;
- spu_release(ctx);
+ spu_release_saved(ctx);
}
-static u64 spufs_srr0_get(void *data)
+static u64 spufs_srr0_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
struct spu_lscsa *lscsa = ctx->csa.lscsa;
- u64 ret;
- spu_acquire_saved(ctx);
- ret = lscsa->srr0.slot[0];
- spu_release(ctx);
- return ret;
+ return lscsa->srr0.slot[0];
}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
- "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
+ "0x%llx\n", SPU_ATTR_ACQUIRE_SAVED)
-static u64 spufs_id_get(void *data)
+static u64 spufs_id_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
u64 num;
- spu_acquire(ctx);
if (ctx->state == SPU_STATE_RUNNABLE)
num = ctx->spu->number;
else
num = (unsigned int)-1;
- spu_release(ctx);
return num;
}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_id_ops, spufs_id_get, NULL, "0x%llx\n")
-
-static u64 __spufs_object_id_get(void *data)
-{
- struct spu_context *ctx = data;
- return ctx->object_id;
-}
+DEFINE_SPUFS_ATTRIBUTE(spufs_id_ops, spufs_id_get, NULL, "0x%llx\n",
+ SPU_ATTR_ACQUIRE)
-static u64 spufs_object_id_get(void *data)
+static u64 spufs_object_id_get(struct spu_context *ctx)
{
/* FIXME: Should there really be no locking here? */
- return __spufs_object_id_get(data);
+ return ctx->object_id;
}
static void spufs_object_id_set(void *data, u64 id)
ctx->object_id = id;
}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get,
- spufs_object_id_set, "0x%llx\n");
+DEFINE_SPUFS_ATTRIBUTE(spufs_object_id_ops, spufs_object_id_get,
+ spufs_object_id_set, "0x%llx\n", SPU_ATTR_NOACQUIRE);
-static u64 __spufs_lslr_get(void *data)
+static u64 spufs_lslr_get(struct spu_context *ctx)
{
- struct spu_context *ctx = data;
return ctx->csa.priv2.spu_lslr_RW;
}
-
-static u64 spufs_lslr_get(void *data)
-{
- struct spu_context *ctx = data;
- u64 ret;
-
- spu_acquire_saved(ctx);
- ret = __spufs_lslr_get(data);
- spu_release(ctx);
-
- return ret;
-}
-DEFINE_SIMPLE_ATTRIBUTE(spufs_lslr_ops, spufs_lslr_get, NULL, "0x%llx\n")
+DEFINE_SPUFS_ATTRIBUTE(spufs_lslr_ops, spufs_lslr_get, NULL, "0x%llx\n",
+ SPU_ATTR_ACQUIRE_SAVED);
static int spufs_info_open(struct inode *inode, struct file *file)
{
spin_lock(&ctx->csa.register_lock);
ret = __spufs_mbox_info_read(ctx, buf, len, pos);
spin_unlock(&ctx->csa.register_lock);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
spin_lock(&ctx->csa.register_lock);
ret = __spufs_ibox_info_read(ctx, buf, len, pos);
spin_unlock(&ctx->csa.register_lock);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
spin_lock(&ctx->csa.register_lock);
ret = __spufs_wbox_info_read(ctx, buf, len, pos);
spin_unlock(&ctx->csa.register_lock);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
spin_lock(&ctx->csa.register_lock);
ret = __spufs_dma_info_read(ctx, buf, len, pos);
spin_unlock(&ctx->csa.register_lock);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
spin_lock(&ctx->csa.register_lock);
ret = __spufs_proxydma_info_read(ctx, buf, len, pos);
spin_unlock(&ctx->csa.register_lock);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
};
static unsigned long long spufs_acct_time(struct spu_context *ctx,
- enum spuctx_execution_state state)
+ enum spu_utilization_state state)
{
- unsigned long time = ctx->stats.times[state];
+ struct timespec ts;
+ unsigned long long time = ctx->stats.times[state];
- if (ctx->stats.execution_state == state)
- time += jiffies - ctx->stats.tstamp;
+ /*
+ * In general, utilization statistics are updated by the controlling
+ * thread as the spu context moves through various well defined
+ * state transitions, but if the context is lazily loaded its
+ * utilization statistics are not updated as the controlling thread
+ * is not tightly coupled with the execution of the spu context. We
+ * calculate and apply the time delta from the last recorded state
+ * of the spu context.
+ */
+ if (ctx->spu && ctx->stats.util_state == state) {
+ ktime_get_ts(&ts);
+ time += timespec_to_ns(&ts) - ctx->stats.tstamp;
+ }
- return jiffies_to_msecs(time);
+ return time / NSEC_PER_MSEC;
}
static unsigned long long spufs_slb_flts(struct spu_context *ctx)
spu_acquire(ctx);
seq_printf(s, "%s %llu %llu %llu %llu "
"%llu %llu %llu %llu %llu %llu %llu %llu\n",
- ctx_state_names[ctx->stats.execution_state],
- spufs_acct_time(ctx, SPUCTX_UTIL_USER),
- spufs_acct_time(ctx, SPUCTX_UTIL_SYSTEM),
- spufs_acct_time(ctx, SPUCTX_UTIL_IOWAIT),
- spufs_acct_time(ctx, SPUCTX_UTIL_LOADED),
+ ctx_state_names[ctx->stats.util_state],
+ spufs_acct_time(ctx, SPU_UTIL_USER),
+ spufs_acct_time(ctx, SPU_UTIL_SYSTEM),
+ spufs_acct_time(ctx, SPU_UTIL_IOWAIT),
+ spufs_acct_time(ctx, SPU_UTIL_IDLE_LOADED),
ctx->stats.vol_ctx_switch,
ctx->stats.invol_ctx_switch,
spufs_slb_flts(ctx),
{ "mbox_stat", &spufs_mbox_stat_fops, 0444, },
{ "ibox_stat", &spufs_ibox_stat_fops, 0444, },
{ "wbox_stat", &spufs_wbox_stat_fops, 0444, },
- { "signal1", &spufs_signal1_fops, 0666, },
- { "signal2", &spufs_signal2_fops, 0666, },
+ { "signal1", &spufs_signal1_nosched_fops, 0222, },
+ { "signal2", &spufs_signal2_nosched_fops, 0222, },
{ "signal1_type", &spufs_signal1_type, 0666, },
{ "signal2_type", &spufs_signal2_type, 0666, },
{ "mss", &spufs_mss_fops, 0666, },
};
struct spufs_coredump_reader spufs_coredump_read[] = {
- { "regs", __spufs_regs_read, NULL, 128 * 16 },
- { "fpcr", __spufs_fpcr_read, NULL, 16 },
- { "lslr", NULL, __spufs_lslr_get, 11 },
- { "decr", NULL, __spufs_decr_get, 11 },
- { "decr_status", NULL, __spufs_decr_status_get, 11 },
- { "mem", __spufs_mem_read, NULL, 256 * 1024, },
- { "signal1", __spufs_signal1_read, NULL, 4 },
- { "signal1_type", NULL, __spufs_signal1_type_get, 2 },
- { "signal2", __spufs_signal2_read, NULL, 4 },
- { "signal2_type", NULL, __spufs_signal2_type_get, 2 },
- { "event_mask", NULL, __spufs_event_mask_get, 8 },
- { "event_status", NULL, __spufs_event_status_get, 8 },
- { "mbox_info", __spufs_mbox_info_read, NULL, 4 },
- { "ibox_info", __spufs_ibox_info_read, NULL, 4 },
- { "wbox_info", __spufs_wbox_info_read, NULL, 16 },
- { "dma_info", __spufs_dma_info_read, NULL, 69 * 8 },
- { "proxydma_info", __spufs_proxydma_info_read, NULL, 35 * 8 },
- { "object-id", NULL, __spufs_object_id_get, 19 },
- { },
+ { "regs", __spufs_regs_read, NULL, sizeof(struct spu_reg128[128])},
+ { "fpcr", __spufs_fpcr_read, NULL, sizeof(struct spu_reg128) },
+ { "lslr", NULL, spufs_lslr_get, 19 },
+ { "decr", NULL, spufs_decr_get, 19 },
+ { "decr_status", NULL, spufs_decr_status_get, 19 },
+ { "mem", __spufs_mem_read, NULL, LS_SIZE, },
+ { "signal1", __spufs_signal1_read, NULL, sizeof(u32) },
+ { "signal1_type", NULL, spufs_signal1_type_get, 19 },
+ { "signal2", __spufs_signal2_read, NULL, sizeof(u32) },
+ { "signal2_type", NULL, spufs_signal2_type_get, 19 },
+ { "event_mask", NULL, spufs_event_mask_get, 19 },
+ { "event_status", NULL, spufs_event_status_get, 19 },
+ { "mbox_info", __spufs_mbox_info_read, NULL, sizeof(u32) },
+ { "ibox_info", __spufs_ibox_info_read, NULL, sizeof(u32) },
+ { "wbox_info", __spufs_wbox_info_read, NULL, 4 * sizeof(u32)},
+ { "dma_info", __spufs_dma_info_read, NULL, sizeof(struct spu_dma_info)},
+ { "proxydma_info", __spufs_proxydma_info_read,
+ NULL, sizeof(struct spu_proxydma_info)},
+ { "object-id", NULL, spufs_object_id_get, 19 },
+ { "npc", NULL, spufs_npc_get, 19 },
+ { NULL },
};
-int spufs_coredump_num_notes = ARRAY_SIZE(spufs_coredump_read) - 1;
-
projects / linux-block.git / blobdiff