#include <linux/pagemap.h>
#include <linux/poll.h>
#include <linux/ptrace.h>
+#include <linux/seq_file.h>
#include <asm/io.h>
#include <asm/semaphore.h>
#define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000)
+
static int
spufs_mem_open(struct inode *inode, struct file *file)
{
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = ctx;
if (!i->i_openers++)
ctx->local_store = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->local_store = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
#endif /* CONFIG_SPU_FS_64K_LS */
static const struct file_operations spufs_mem_fops = {
- .open = spufs_mem_open,
- .read = spufs_mem_read,
- .write = spufs_mem_write,
- .llseek = generic_file_llseek,
- .mmap = spufs_mem_mmap,
+ .open = spufs_mem_open,
+ .release = spufs_mem_release,
+ .read = spufs_mem_read,
+ .write = spufs_mem_write,
+ .llseek = generic_file_llseek,
+ .mmap = spufs_mem_mmap,
#ifdef CONFIG_SPU_FS_64K_LS
.get_unmapped_area = spufs_get_unmapped_area,
#endif
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = ctx;
if (!i->i_openers++)
ctx->cntl = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return simple_attr_open(inode, file, spufs_cntl_get,
spufs_cntl_set, "0x%08lx");
}
simple_attr_close(inode, file);
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->cntl = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
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;
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = ctx;
if (!i->i_openers++)
ctx->signal1 = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return nonseekable_open(inode, file);
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->signal1 = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
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);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = ctx;
if (!i->i_openers++)
ctx->signal2 = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return nonseekable_open(inode, file);
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->signal2 = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
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,
+};
+
static void spufs_signal1_type_set(void *data, u64 val)
{
struct spu_context *ctx = data;
file->private_data = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!i->i_openers++)
ctx->mss = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return nonseekable_open(inode, file);
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->mss = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = i->i_ctx;
if (!i->i_openers++)
ctx->psmap = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return nonseekable_open(inode, file);
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->psmap = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
if (atomic_read(&inode->i_count) != 1)
return -EBUSY;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
file->private_data = ctx;
if (!i->i_openers++)
ctx->mfc = inode->i_mapping;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return nonseekable_open(inode, file);
}
struct spufs_inode_info *i = SPUFS_I(inode);
struct spu_context *ctx = i->i_ctx;
- spin_lock(&ctx->mapping_lock);
+ mutex_lock(&ctx->mapping_lock);
if (!--i->i_openers)
ctx->mfc = NULL;
- spin_unlock(&ctx->mapping_lock);
+ mutex_unlock(&ctx->mapping_lock);
return 0;
}
if (status)
ret = status;
}
- spu_release(ctx);
if (ret)
- goto out;
+ goto out_unlock;
ctx->tagwait |= 1 << cmd.tag;
ret = size;
+out_unlock:
+ spu_release(ctx);
out:
return ret;
}
u32 free_elements, tagstatus;
unsigned int mask;
+ poll_wait(file, &ctx->mfc_wq, wait);
+
spu_acquire(ctx);
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2);
free_elements = ctx->ops->get_mfc_free_elements(ctx);
tagstatus = ctx->ops->read_mfc_tagstatus(ctx);
spu_release(ctx);
- poll_wait(file, &ctx->mfc_wq, wait);
-
mask = 0;
if (free_elements & 0xffff)
mask |= POLLOUT | POLLWRNORM;
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)
u64 ret;
spu_acquire_saved(ctx);
ret = __spufs_decr_get(data);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
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);
+ 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)
{
struct spu_context *ctx = data;
- struct spu_lscsa *lscsa = ctx->csa.lscsa;
- return lscsa->decr_status.slot[0];
+ if (ctx->csa.priv2.mfc_control_RW & MFC_CNTL_DECREMENTER_RUNNING)
+ return SPU_DECR_STATUS_RUNNING;
+ else
+ return 0;
}
static u64 spufs_decr_status_get(void *data)
u64 ret;
spu_acquire_saved(ctx);
ret = __spufs_decr_status_get(data);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get,
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)
u64 ret;
spu_acquire_saved(ctx);
ret = __spufs_event_mask_get(data);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get,
spu_acquire_saved(ctx);
ret = __spufs_event_status_get(data);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_event_status_ops, spufs_event_status_get,
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)
u64 ret;
spu_acquire_saved(ctx);
ret = lscsa->srr0.slot[0];
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
spu_acquire_saved(ctx);
ret = __spufs_lslr_get(data);
- spu_release(ctx);
+ spu_release_saved(ctx);
return ret;
}
return 0;
}
+static int spufs_caps_show(struct seq_file *s, void *private)
+{
+ struct spu_context *ctx = s->private;
+
+ if (!(ctx->flags & SPU_CREATE_NOSCHED))
+ seq_puts(s, "sched\n");
+ if (!(ctx->flags & SPU_CREATE_ISOLATE))
+ seq_puts(s, "step\n");
+ return 0;
+}
+
+static int spufs_caps_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, spufs_caps_show, SPUFS_I(inode)->i_ctx);
+}
+
+static const struct file_operations spufs_caps_fops = {
+ .open = spufs_caps_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static ssize_t __spufs_mbox_info_read(struct spu_context *ctx,
char __user *buf, size_t len, loff_t *pos)
{
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;
}
.read = spufs_proxydma_info_read,
};
+static int spufs_show_tid(struct seq_file *s, void *private)
+{
+ struct spu_context *ctx = s->private;
+
+ seq_printf(s, "%d\n", ctx->tid);
+ return 0;
+}
+
+static int spufs_tid_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, spufs_show_tid, SPUFS_I(inode)->i_ctx);
+}
+
+static const struct file_operations spufs_tid_fops = {
+ .open = spufs_tid_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const char *ctx_state_names[] = {
+ "user", "system", "iowait", "loaded"
+};
+
+static unsigned long long spufs_acct_time(struct spu_context *ctx,
+ enum spu_utilization_state state)
+{
+ struct timespec ts;
+ unsigned long long time = ctx->stats.times[state];
+
+ /*
+ * 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 time / NSEC_PER_MSEC;
+}
+
+static unsigned long long spufs_slb_flts(struct spu_context *ctx)
+{
+ unsigned long long slb_flts = ctx->stats.slb_flt;
+
+ if (ctx->state == SPU_STATE_RUNNABLE) {
+ slb_flts += (ctx->spu->stats.slb_flt -
+ ctx->stats.slb_flt_base);
+ }
+
+ return slb_flts;
+}
+
+static unsigned long long spufs_class2_intrs(struct spu_context *ctx)
+{
+ unsigned long long class2_intrs = ctx->stats.class2_intr;
+
+ if (ctx->state == SPU_STATE_RUNNABLE) {
+ class2_intrs += (ctx->spu->stats.class2_intr -
+ ctx->stats.class2_intr_base);
+ }
+
+ return class2_intrs;
+}
+
+
+static int spufs_show_stat(struct seq_file *s, void *private)
+{
+ struct spu_context *ctx = s->private;
+
+ 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.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),
+ ctx->stats.hash_flt,
+ ctx->stats.min_flt,
+ ctx->stats.maj_flt,
+ spufs_class2_intrs(ctx),
+ ctx->stats.libassist);
+ spu_release(ctx);
+ return 0;
+}
+
+static int spufs_stat_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, spufs_show_stat, SPUFS_I(inode)->i_ctx);
+}
+
+static const struct file_operations spufs_stat_fops = {
+ .open = spufs_stat_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+
struct tree_descr spufs_dir_contents[] = {
+ { "capabilities", &spufs_caps_fops, 0444, },
{ "mem", &spufs_mem_fops, 0666, },
{ "regs", &spufs_regs_fops, 0666, },
{ "mbox", &spufs_mbox_fops, 0444, },
{ "wbox_info", &spufs_wbox_info_fops, 0444, },
{ "dma_info", &spufs_dma_info_fops, 0444, },
{ "proxydma_info", &spufs_proxydma_info_fops, 0444, },
+ { "tid", &spufs_tid_fops, 0444, },
+ { "stat", &spufs_stat_fops, 0444, },
{},
};
struct tree_descr spufs_dir_nosched_contents[] = {
+ { "capabilities", &spufs_caps_fops, 0444, },
{ "mem", &spufs_mem_fops, 0666, },
{ "mbox", &spufs_mbox_fops, 0444, },
{ "ibox", &spufs_ibox_fops, 0444, },
{ "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, },
{ "psmap", &spufs_psmap_fops, 0666, },
{ "phys-id", &spufs_id_ops, 0666, },
{ "object-id", &spufs_object_id_ops, 0666, },
+ { "tid", &spufs_tid_fops, 0444, },
+ { "stat", &spufs_stat_fops, 0444, },
{},
};
git.samba.org / sfrench / cifs-2.6.git / blobdiff