From 24fff017e141ff62fc84676ff557705f7635a578 Mon Sep 17 00:00:00 2001 From: Viswas G Date: Wed, 18 Oct 2017 11:39:08 +0530 Subject: [PATCH] scsi: pm80xx: ILA and inactive firmware version through sysfs Added support to read ILA version and inactive firmware version from MPI configuration table and export through sysfs. Signed-off-by: Deepak Ukey Signed-off-by: Viswas G Acked-by: Jack Wang Signed-off-by: Martin K. Petersen --- 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