diff mbox series

[07/10] accel/habanalabs: add debug prints to dump content of SG table for dma-buf

Message ID 20230918143158.903207-7-ogabbay@kernel.org (mailing list archive)
State New, archived
Headers show
Series [01/10] accel/habanalabs: fix bug in timestamp interrupt handling | expand

Commit Message

Oded Gabbay Sept. 18, 2023, 2:31 p.m. UTC 
From: Tomer Tayar <ttayar@habana.ai>

Add debug prints to dump the content of the SG table which is prepared
when the dma-buf map op is called.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
 drivers/accel/habanalabs/common/memory.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/accel/habanalabs/common/memory.c b/drivers/accel/habanalabs/common/memory.c
index 00e73b5573be..33fb78aba812 100644
--- a/drivers/accel/habanalabs/common/memory.c
+++ b/drivers/accel/habanalabs/common/memory.c
@@ -1679,6 +1679,13 @@  static struct sg_table *alloc_sgt_from_device_pages(struct hl_device *hdev, u64
 	 */
 	sgt->orig_nents = 0;
 
+	dev_dbg(hdev->dev, "prepared SG table with %u entries for importer %s\n",
+		nents, dev_name(dev));
+	for_each_sgtable_dma_sg(sgt, sg, i)
+		dev_dbg(hdev->dev,
+			"SG entry %d: address %#llx, length %#x\n",
+			i, sg_dma_address(sg), sg_dma_len(sg));
+
 	return sgt;
 
 err_unmap: