[PATCH 09/10] accel/habanalabs: print error code when mapping fails

From: Oded Gabbay
Date: Wed Nov 15 2023 - 11:39:49 EST


From: Dani Liberman <dliberman@xxxxxxxxx>

Failure to map is considered a non-trivial error and we need to notify
the user about it.

Signed-off-by: Dani Liberman <dliberman@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/accel/habanalabs/common/memory.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/accel/habanalabs/common/memory.c b/drivers/accel/habanalabs/common/memory.c
index 0b8689fe0b64..3348ad12c237 100644
--- a/drivers/accel/habanalabs/common/memory.c
+++ b/drivers/accel/habanalabs/common/memory.c
@@ -955,8 +955,8 @@ static int map_phys_pg_pack(struct hl_ctx *ctx, u64 vaddr,
(i + 1) == phys_pg_pack->npages);
if (rc) {
dev_err(hdev->dev,
- "map failed for handle %u, npages: %llu, mapped: %llu",
- phys_pg_pack->handle, phys_pg_pack->npages,
+ "map failed (%d) for handle %u, npages: %llu, mapped: %llu\n",
+ rc, phys_pg_pack->handle, phys_pg_pack->npages,
mapped_pg_cnt);
goto err;
}
@@ -1186,7 +1186,8 @@ static int map_device_va(struct hl_ctx *ctx, struct hl_mem_in *args, u64 *device

rc = map_phys_pg_pack(ctx, ret_vaddr, phys_pg_pack);
if (rc) {
- dev_err(hdev->dev, "mapping page pack failed for handle %u\n", handle);
+ dev_err(hdev->dev, "mapping page pack failed (%d) for handle %u\n",
+ rc, handle);
mutex_unlock(&hdev->mmu_lock);
goto map_err;
}
--
2.34.1