@@ -234,8 +234,8 @@ Description:
For details, see section `5.10 RAS Internal Error Register Definitions,
Altra Family Soc BMC Interface Specification`.
-What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot]
-KernelVersion: 6.1
+What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot|dimm_2x_refresh]
+KernelVersion: 6.1 (event_[vrd_warn_fault|vrd_hot|dimm_hot]), 6.4 (event_dimm_2x_refresh)
Contact: Quan Nguyen <quan@os.amperecomputing.com>
Description:
(RO) Contains the detail information in case of VRD/DIMM warning/hot events
@@ -258,8 +258,11 @@ Description:
+---------------+---------------------------------------------------------------+---------------------+
| DIMM HOT | /sys/bus/platform/devices/smpro-errmon.*/event_dimm_hot | DIMM Hot |
+---------------+---------------------------------------------------------------+---------------------+
+ | DIMM 2X | /sys/bus/platform/devices/smpro-errmon.*/event_dimm_2x_refresh| DIMM 2x refresh rate|
+ | REFRESH RATE | | event in high temp |
+ +---------------+---------------------------------------------------------------+---------------------+
- For more details, see section `5.7 GPI Status Registers,
+ For more details, see section `5.7 GPI Status Registers and 5.9 Memory Error Register Definitions,
Altra Family Soc BMC Interface Specification`.
What: /sys/bus/platform/devices/smpro-misc.*/boot_progress
@@ -67,6 +67,7 @@
#define VRD_WARN_FAULT_EVENT_DATA 0x78
#define VRD_HOT_EVENT_DATA 0x79
#define DIMM_HOT_EVENT_DATA 0x7A
+#define DIMM_2X_REFRESH_EVENT_DATA 0x96
#define MAX_READ_BLOCK_LENGTH 48
@@ -190,6 +191,7 @@ enum EVENT_TYPES {
VRD_WARN_FAULT_EVENT,
VRD_HOT_EVENT,
DIMM_HOT_EVENT,
+ DIMM_2X_REFRESH_EVENT,
NUM_EVENTS_TYPE,
};
@@ -198,6 +200,7 @@ static u8 smpro_event_table[NUM_EVENTS_TYPE] = {
VRD_WARN_FAULT_EVENT_DATA,
VRD_HOT_EVENT_DATA,
DIMM_HOT_EVENT_DATA,
+ DIMM_2X_REFRESH_EVENT_DATA,
};
static ssize_t smpro_event_data_read(struct device *dev,
@@ -463,6 +466,7 @@ static DEVICE_ATTR_RO(warn_pmpro);
EVENT_RO(vrd_warn_fault, VRD_WARN_FAULT_EVENT);
EVENT_RO(vrd_hot, VRD_HOT_EVENT);
EVENT_RO(dimm_hot, DIMM_HOT_EVENT);
+EVENT_RO(dimm_2x_refresh, DIMM_2X_REFRESH_EVENT);
static struct attribute *smpro_errmon_attrs[] = {
&dev_attr_overflow_core_ce.attr,
@@ -488,6 +492,7 @@ static struct attribute *smpro_errmon_attrs[] = {
&dev_attr_event_vrd_warn_fault.attr,
&dev_attr_event_vrd_hot.attr,
&dev_attr_event_dimm_hot.attr,
+ &dev_attr_event_dimm_2x_refresh.attr,
NULL
};
In high temperature condition, JEDEC spec requires memory controller to double the refresh rate. This commit adds event_dimm_2x_refresh sysfs to report that events for all memory channels. Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> --- v3: + Corrected kernel version to 6.4 [Greg] v2: + Corrected kernel version to 6.3 [Greg,Paul] --- .../ABI/testing/sysfs-bus-platform-devices-ampere-smpro | 9 ++++++--- drivers/misc/smpro-errmon.c | 5 +++++ 2 files changed, 11 insertions(+), 3 deletions(-)