diff options
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/file.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index f74259979cb..fc595d0db21 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2555,6 +2555,58 @@ void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx, wake_up(&ctx->switch_log->wait); } +static int spufs_show_ctx(struct seq_file *s, void *private) +{ + struct spu_context *ctx = s->private; + u64 mfc_control_RW; + + mutex_lock(&ctx->state_mutex); + if (ctx->spu) { + struct spu *spu = ctx->spu; + struct spu_priv2 __iomem *priv2 = spu->priv2; + + spin_lock_irq(&spu->register_lock); + mfc_control_RW = in_be64(&priv2->mfc_control_RW); + spin_unlock_irq(&spu->register_lock); + } else { + struct spu_state *csa = &ctx->csa; + + mfc_control_RW = csa->priv2.mfc_control_RW; + } + + seq_printf(s, "%c flgs(%lx) sflgs(%lx) pri(%d) ts(%d) spu(%02d)" + " %c %lx %lx %lx %lx %x %x\n", + ctx->state == SPU_STATE_SAVED ? 'S' : 'R', + ctx->flags, + ctx->sched_flags, + ctx->prio, + ctx->time_slice, + ctx->spu ? ctx->spu->number : -1, + !list_empty(&ctx->rq) ? 'q' : ' ', + ctx->csa.class_0_pending, + ctx->csa.class_0_dar, + ctx->csa.class_1_dsisr, + mfc_control_RW, + ctx->ops->runcntl_read(ctx), + ctx->ops->status_read(ctx)); + + mutex_unlock(&ctx->state_mutex); + + return 0; +} + +static int spufs_ctx_open(struct inode *inode, struct file *file) +{ + return single_open(file, spufs_show_ctx, SPUFS_I(inode)->i_ctx); +} + +static const struct file_operations spufs_ctx_fops = { + .open = spufs_ctx_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, }, @@ -2591,6 +2643,7 @@ struct tree_descr spufs_dir_contents[] = { { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, { "switch_log", &spufs_switch_log_fops, 0444 }, + { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; @@ -2616,6 +2669,7 @@ struct tree_descr spufs_dir_nosched_contents[] = { { "object-id", &spufs_object_id_ops, 0666, }, { "tid", &spufs_tid_fops, 0444, }, { "stat", &spufs_stat_fops, 0444, }, + { ".ctx", &spufs_ctx_fops, 0444, }, {}, }; |