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| author | Sagiv Ozeri <sozeri@habana.ai> | 2021-02-23 12:01:08 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-04-09 14:09:23 +0300 |
| commit | a4371c1a1ec150bc8bb87333e0a59935c4a630e2 (patch) | |
| tree | 3e95f0f0e8daa2fdc3167a4dfab6a6fa7179b39f /drivers/misc/habanalabs/common/debugfs.c | |
| parent | 6a2f5d7098c868eeb9349ed02210ca1c04aa5cfb (diff) | |
| download | linux-a4371c1a1ec150bc8bb87333e0a59935c4a630e2.tar.xz | |
habanalabs: support HW blocks vm show
Improve "vm" debugfs node to print also the virtual addresses which are
currently mapped to HW blocks in the device.
Signed-off-by: Sagiv Ozeri <sozeri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/debugfs.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c index 9f19bee7b592..a6a4fe0bf2e9 100644 --- a/drivers/misc/habanalabs/common/debugfs.c +++ b/drivers/misc/habanalabs/common/debugfs.c @@ -229,6 +229,7 @@ static int vm_show(struct seq_file *s, void *data) { struct hl_debugfs_entry *entry = s->private; struct hl_dbg_device_entry *dev_entry = entry->dev_entry; + struct hl_vm_hw_block_list_node *lnode; struct hl_ctx *ctx; struct hl_vm *vm; struct hl_vm_hash_node *hnode; @@ -272,6 +273,21 @@ static int vm_show(struct seq_file *s, void *data) } mutex_unlock(&ctx->mem_hash_lock); + if (ctx->asid != HL_KERNEL_ASID_ID && + !list_empty(&ctx->hw_block_mem_list)) { + seq_puts(s, "\nhw_block mappings:\n\n"); + seq_puts(s, " virtual address size HW block id\n"); + seq_puts(s, "-------------------------------------------\n"); + mutex_lock(&ctx->hw_block_list_lock); + list_for_each_entry(lnode, &ctx->hw_block_mem_list, + node) { + seq_printf(s, + " 0x%-14lx %-6u %-9u\n", + lnode->vaddr, lnode->size, lnode->id); + } + mutex_unlock(&ctx->hw_block_list_lock); + } + vm = &ctx->hdev->vm; spin_lock(&vm->idr_lock); |