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scsi: pm80xx: ILA and inactive firmware version through sysfs

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Added support to read ILA version and inactive firmware version from MPI
configuration table and export through sysfs.

Signed-off-by: Deepak Ukey <deepak.ukey@microsemi.com>
Signed-off-by: Viswas G <Viswas.G@microsemi.com>
Acked-by: Jack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Viswas G 2017-10-18 11:39:08 +05:30 committed by Martin K. Petersen
parent 5990fd57eb
commit 24fff017e1
4 changed files with 63 additions and 0 deletions
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54
drivers/scsi/pm8001/pm8001_ctl.c
View File

@ -98,6 +98,58 @@ static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,
}
}
static DEVICE_ATTR(fw_version, S_IRUGO, pm8001_ctl_fw_version_show, NULL);
/**
* pm8001_ctl_ila_version_show - ila version
* @cdev: pointer to embedded class device
* @buf: the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
if (pm8001_ha->chip_id != chip_8001) {
return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version));
}
return 0;
}
static DEVICE_ATTR(ila_version, 0444, pm8001_ctl_ila_version_show, NULL);
/**
* pm8001_ctl_inactive_fw_version_show - Inacative firmware version number
* @cdev: pointer to embedded class device
* @buf: the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
if (pm8001_ha->chip_id != chip_8001) {
return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version));
}
return 0;
}
static
DEVICE_ATTR(inc_fw_ver, 0444, pm8001_ctl_inactive_fw_version_show, NULL);
/**
* pm8001_ctl_max_out_io_show - max outstanding io supported
* @cdev: pointer to embedded class device
@ -748,6 +800,8 @@ struct device_attribute *pm8001_host_attrs[] = {
&dev_attr_bios_version,
&dev_attr_ib_log,
&dev_attr_ob_log,
&dev_attr_ila_version,
&dev_attr_inc_fw_ver,
NULL,
};

2
drivers/scsi/pm8001/pm8001_sas.h
View File

@ -404,6 +404,8 @@ union main_cfg_table {
u32 port_recovery_timer;
u32 interrupt_reassertion_delay;
u32 fatal_n_non_fatal_dump; /* 0x28 */
u32 ila_version;
u32 inc_fw_version;
} pm80xx_tbl;
};

5
drivers/scsi/pm8001/pm80xx_hwi.c
View File

@ -312,6 +312,11 @@ static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
/* read port recover and reset timeout */
pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
/* read ILA and inactive firmware version */
pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
}
/**

2
drivers/scsi/pm8001/pm80xx_hwi.h
View File

@ -1445,6 +1445,8 @@ typedef struct SASProtocolTimerConfig SASProtocolTimerConfig_t;
#define MAIN_SAS_PHY_ATTR_TABLE_OFFSET 0x90 /* DWORD 0x24 */
#define MAIN_PORT_RECOVERY_TIMER 0x94 /* DWORD 0x25 */
#define MAIN_INT_REASSERTION_DELAY 0x98 /* DWORD 0x26 */
#define MAIN_MPI_ILA_RELEASE_TYPE 0xA4 /* DWORD 0x29 */
#define MAIN_MPI_INACTIVE_FW_VERSION 0XB0 /* DWORD 0x2C */
/* Gereral Status Table offset - byte offset */
#define GST_GSTLEN_MPIS_OFFSET 0x00