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authorOfir Bitton <obitton@habana.ai>2021-06-02 11:56:31 +0300
committerOded Gabbay <ogabbay@kernel.org>2021-06-18 15:23:41 +0300
commit254fac6d1a73aac40aa4d423c993965987728040 (patch)
treede2cedf541b3e34ff1344ed8bf01708de1ca3e4a /drivers/misc/habanalabs/include
parenta39725819c816c87c6b4eeca4c10197a41e2a928 (diff)
downloadlinux-254fac6d1a73aac40aa4d423c993965987728040.tar.gz
habanalabs/gaudi: add FW alive event support
In order for driver to be aware of process or thread crashes inside GAUDI's CPU, we introduce a new event which contains all relevant information. Upon event reception, driver will dump information and will reset the device. Signed-off-by: Ofir Bitton <obitton@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/include')
-rw-r--r--drivers/misc/habanalabs/include/common/cpucp_if.h15
-rw-r--r--drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h1
-rw-r--r--drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h2
3 files changed, 17 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h
index c7da62243619..d4dc189a6c92 100644
--- a/drivers/misc/habanalabs/include/common/cpucp_if.h
+++ b/drivers/misc/habanalabs/include/common/cpucp_if.h
@@ -84,6 +84,20 @@ struct hl_eq_sm_sei_data {
__u8 pad[3];
};
+enum hl_fw_alive_severity {
+ FW_ALIVE_SEVERITY_MINOR,
+ FW_ALIVE_SEVERITY_CRITICAL
+};
+
+struct hl_eq_fw_alive {
+ __le64 uptime_seconds;
+ __le32 process_id;
+ __le32 thread_id;
+ /* enum hl_fw_alive_severity */
+ __u8 severity;
+ __u8 pad[7];
+};
+
struct hl_eq_entry {
struct hl_eq_header hdr;
union {
@@ -91,6 +105,7 @@ struct hl_eq_entry {
struct hl_eq_hbm_ecc_data hbm_ecc_data;
struct hl_eq_sm_sei_data sm_sei_data;
struct cpucp_pkt_sync_err pkt_sync_err;
+ struct hl_eq_fw_alive fw_alive;
__le64 data[7];
};
};
diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h b/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h
index e8651abf84f2..f66c759952e4 100644
--- a/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h
+++ b/drivers/misc/habanalabs/include/gaudi/gaudi_async_events.h
@@ -303,6 +303,7 @@ enum gaudi_async_event_id {
GAUDI_EVENT_NIC3_QP1 = 619,
GAUDI_EVENT_NIC4_QP0 = 620,
GAUDI_EVENT_NIC4_QP1 = 621,
+ GAUDI_EVENT_FW_ALIVE_S = 645,
GAUDI_EVENT_DEV_RESET_REQ = 646,
GAUDI_EVENT_PKT_QUEUE_OUT_SYNC = 647,
GAUDI_EVENT_FIX_POWER_ENV_S = 658,
diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h b/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h
index 3dc79c131805..e87554ab0102 100644
--- a/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h
+++ b/drivers/misc/habanalabs/include/gaudi/gaudi_async_ids_map_extended.h
@@ -669,7 +669,7 @@ static struct gaudi_async_events_ids_map gaudi_irq_map_table[] = {
{ .fc_id = 642, .cpu_id = 491, .valid = 0, .name = "" },
{ .fc_id = 643, .cpu_id = 492, .valid = 0, .name = "" },
{ .fc_id = 644, .cpu_id = 493, .valid = 0, .name = "" },
- { .fc_id = 645, .cpu_id = 494, .valid = 0, .name = "" },
+ { .fc_id = 645, .cpu_id = 494, .valid = 1, .name = "FW_ALIVE_S" },
{ .fc_id = 646, .cpu_id = 495, .valid = 1, .name = "DEV_RESET_REQ" },
{ .fc_id = 647, .cpu_id = 496, .valid = 1,
.name = "PKT_QUEUE_OUT_SYNC" },