Commit ba3aca31 authored by Yuri Nudelman's avatar Yuri Nudelman Committed by Oded Gabbay
Browse files

habanalabs: print va_range in vm node debugfs 



VA range info could assist in debugging VA allocation bugs.

Signed-off-by: default avatarYuri Nudelman <ynudelman@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 4cd454a2

drivers/misc/habanalabs/common/debugfs.c

+25 −0
Original line number Diff line number Diff line
@@ -235,6 +235,8 @@ static int vm_show(struct seq_file *s, void *data) 
	struct hl_vm_hash_node *hnode;

	struct hl_userptr *userptr;

	struct hl_vm_phys_pg_pack *phys_pg_pack = NULL;

	struct hl_va_range *va_range;

	struct hl_vm_va_block *va_block;

	enum vm_type *vm_type;

	bool once = true;

	u64 j;
@@ -314,6 +316,29 @@ static int vm_show(struct seq_file *s, void *data) 


	spin_unlock(&dev_entry->ctx_mem_hash_spinlock);



	mutex_lock(&dev_entry->hdev->fpriv_list_lock);

	ctx = dev_entry->hdev->compute_ctx;

	if (ctx)

		hl_ctx_get(dev_entry->hdev, ctx);

	mutex_unlock(&dev_entry->hdev->fpriv_list_lock);

	if (ctx) {

		seq_puts(s, "\nVA ranges:\n\n");

		for (i = HL_VA_RANGE_TYPE_HOST ; i < HL_VA_RANGE_TYPE_MAX ; ++i) {

			va_range = ctx->va_range[i];

			seq_printf(s, "   va_range %d\n", i);

			seq_puts(s, "---------------------\n");

			mutex_lock(&va_range->lock);

			list_for_each_entry(va_block, &va_range->list, node) {

				seq_printf(s, "%#16llx - %#16llx (%#llx)\n",

					   va_block->start, va_block->end,

					   va_block->size);

			}

			mutex_unlock(&va_range->lock);

			seq_puts(s, "\n");

		}

		hl_ctx_put(ctx);

	}



	if (!once)

		seq_puts(s, "\n");