Added support to read ILA version and inactive firmware version
from MPI configuration table and export through sysfs.
Signed-off-by: Deepak Ukey <deepak.u...@microsemi.com>
Signed-off-by: Viswas G <viswa...@microsemi.com>
Acked-by: Jack Wang <jinpu.w...@profitbricks.com>
---
drivers/scsi/pm8001/pm8001_ctl.c | 54 ++++++++++++++++++++++++++++++++++++++++
drivers/scsi/pm8001/pm8001_sas.h | 2 ++
drivers/scsi/pm8001/pm80xx_hwi.c | 5 ++++
drivers/scsi/pm8001/pm80xx_hwi.h | 2 ++
4 files changed, 63 insertions(+)
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index be8269c8d127..596f3ff965f5 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -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,
};
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index e81a8fa7ef1a..c75de413e062 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -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;
};
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index eb4fee61df72..8fb5ddf08cc4 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -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);
}
/**
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h
index 82b8cf581da9..e36c5176f9a9 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.h
+++ b/drivers/scsi/pm8001/pm80xx_hwi.h
@@ -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
--
2.12.3
