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authorOhad Sharabi <osharabi@habana.ai>2021-06-06 22:38:23 +0300
committerOded Gabbay <ogabbay@kernel.org>2021-06-18 15:23:41 +0300
commite1222c2794de72f295aa2992ca5eeebd3614183f (patch)
treeecb7874e43ec4fcc249da020cf5eaca537facf68 /drivers/misc/habanalabs/common/firmware_if.c
parent12d133deb30d55076efaf7d2fdbce0a9a0ce8501 (diff)
habanalabs: report EQ fault during heartbeat
In case we have EQ fault we would like to know about it. For this, a status bitmask was added in which EQ_FAULT bit is set by FW in case of EQ fault. Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/firmware_if.c')
-rw-r--r--drivers/misc/habanalabs/common/firmware_if.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 9412e6707906..d5a3c786d4c9 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -362,7 +362,7 @@ void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
int hl_fw_send_heartbeat(struct hl_device *hdev)
{
- struct cpucp_packet hb_pkt = {};
+ struct cpucp_packet hb_pkt = {0};
u64 result;
int rc;
@@ -374,7 +374,13 @@ int hl_fw_send_heartbeat(struct hl_device *hdev)
sizeof(hb_pkt), 0, &result);
if ((rc) || (result != CPUCP_PACKET_FENCE_VAL))
+ return -EIO;
+
+ if (le32_to_cpu(hb_pkt.status_mask) &
+ CPUCP_PKT_HB_STATUS_EQ_FAULT_MASK) {
+ dev_warn(hdev->dev, "FW reported EQ fault during heartbeat\n");
rc = -EIO;
+ }
return rc;
}