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mpt2sas, mpt3sas: log exceeded temperature thresholds

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This patch will log a message when driver receives "Temperature Threshold
exceeded" event from any temperature sensor.

The message will look similar to like:
mpt3sas0: Temperature Threshold flags a b c d exceeded for Sensor: x !!!
mpt3sas0: Current Temp In Celsius: y

where a b c d are threshold flags 0 1 2 3

Change_set:
1. Get the number of sensor count of this IOC by reading IO Unit page 8 at
   driver initialization time.
2. Also unmask the Temperature Threshold Event at driver initialization
   time
3. Whenever a MPI2_EVENT_TEMP_THRESHOLD event is received from the
   firmware, then print the sensor number, the maximum threshold number it
   has exceed and the current temperature of this sensor.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sreekanth Reddy
2015-01-12 11:38:56 +05:30
committed by Christoph Hellwig
parent cb16ef384f
commit 2d8ce8c9d4
8 changed files with 161 additions and 0 deletions
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6
drivers/scsi/mpt3sas/mpt3sas_base.h
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@@ -659,6 +659,7 @@ typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
* @ioc_pg8: static ioc page 8
* @iounit_pg0: static iounit page 0
* @iounit_pg1: static iounit page 1
* @iounit_pg8: static iounit page 8
* @sas_hba: sas host object
* @sas_expander_list: expander object list
* @sas_node_lock:
@@ -728,6 +729,7 @@ typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
* @reply_post_host_index: head index in the pool where FW completes IO
* @delayed_tr_list: target reset link list
* @delayed_tr_volume_list: volume target reset link list
* @@temp_sensors_count: flag to carry the number of temperature sensors
*/
struct MPT3SAS_ADAPTER {
struct list_head list;
@@ -834,6 +836,7 @@ struct MPT3SAS_ADAPTER {
Mpi2IOCPage8_t ioc_pg8;
Mpi2IOUnitPage0_t iounit_pg0;
Mpi2IOUnitPage1_t iounit_pg1;
Mpi2IOUnitPage8_t iounit_pg8;
struct _boot_device req_boot_device;
struct _boot_device req_alt_boot_device;
@@ -934,6 +937,7 @@ struct MPT3SAS_ADAPTER {
struct list_head delayed_tr_list;
struct list_head delayed_tr_volume_list;
u8 temp_sensors_count;
/* diag buffer support */
u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
@@ -1082,6 +1086,8 @@ int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage8_t *config_page);
int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
u16 sz);