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scsi: lpfc: Add SET_HOST_DATA mbox cmd to pass date/time info to firmware

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Implement the SET_HOST_DATA mbox command to set date / time during
initialization.  It is used by the firmware for various purposes including
congestion management and firmware dumps.

Link: https://lore.kernel.org/r/20210816162901.121235-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2021-08-16 09:28:47 -07:00 committed by Martin K. Petersen
parent 54404d3572
commit 3b0009c8be
2 changed files with 79 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -3427,12 +3427,40 @@ struct lpfc_mbx_set_feature {
#define LPFC_SET_HOST_OS_DRIVER_VERSION 0x2
#define LPFC_SET_HOST_DATE_TIME 0x4
struct lpfc_mbx_set_host_date_time {
uint32_t word6;
#define lpfc_mbx_set_host_month_WORD word6
#define lpfc_mbx_set_host_month_SHIFT 16
#define lpfc_mbx_set_host_month_MASK 0xFF
#define lpfc_mbx_set_host_day_WORD word6
#define lpfc_mbx_set_host_day_SHIFT 8
#define lpfc_mbx_set_host_day_MASK 0xFF
#define lpfc_mbx_set_host_year_WORD word6
#define lpfc_mbx_set_host_year_SHIFT 0
#define lpfc_mbx_set_host_year_MASK 0xFF
uint32_t word7;
#define lpfc_mbx_set_host_hour_WORD word7
#define lpfc_mbx_set_host_hour_SHIFT 16
#define lpfc_mbx_set_host_hour_MASK 0xFF
#define lpfc_mbx_set_host_min_WORD word7
#define lpfc_mbx_set_host_min_SHIFT 8
#define lpfc_mbx_set_host_min_MASK 0xFF
#define lpfc_mbx_set_host_sec_WORD word7
#define lpfc_mbx_set_host_sec_SHIFT 0
#define lpfc_mbx_set_host_sec_MASK 0xFF
};
struct lpfc_mbx_set_host_data {
#define LPFC_HOST_OS_DRIVER_VERSION_SIZE 48
struct mbox_header header;
uint32_t param_id;
uint32_t param_len;
union {
uint8_t data[LPFC_HOST_OS_DRIVER_VERSION_SIZE];
struct lpfc_mbx_set_host_date_time tm;
} un;
};
struct lpfc_mbx_set_trunk_mode {

51
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -7369,7 +7369,7 @@ lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION;
mbox->u.mqe.un.set_host_data.param_len =
LPFC_HOST_OS_DRIVER_VERSION_SIZE;
snprintf(mbox->u.mqe.un.set_host_data.data,
snprintf(mbox->u.mqe.un.set_host_data.un.data,
LPFC_HOST_OS_DRIVER_VERSION_SIZE,
"Linux %s v"LPFC_DRIVER_VERSION,
(phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC");
@ -7499,6 +7499,51 @@ static void lpfc_sli4_dip(struct lpfc_hba *phba)
}
}
static int
lpfc_set_host_tm(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *mboxq;
uint32_t len, rc;
struct timespec64 cur_time;
struct tm broken;
uint32_t month, day, year;
uint32_t hour, minute, second;
struct lpfc_mbx_set_host_date_time *tm;
mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq)
return -ENOMEM;
len = sizeof(struct lpfc_mbx_set_host_data) -
sizeof(struct lpfc_sli4_cfg_mhdr);
lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_SET_HOST_DATA, len,
LPFC_SLI4_MBX_EMBED);
mboxq->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_DATE_TIME;
mboxq->u.mqe.un.set_host_data.param_len =
sizeof(struct lpfc_mbx_set_host_date_time);
tm = &mboxq->u.mqe.un.set_host_data.un.tm;
ktime_get_real_ts64(&cur_time);
time64_to_tm(cur_time.tv_sec, 0, &broken);
month = broken.tm_mon + 1;
day = broken.tm_mday;
year = broken.tm_year - 100;
hour = broken.tm_hour;
minute = broken.tm_min;
second = broken.tm_sec;
bf_set(lpfc_mbx_set_host_month, tm, month);
bf_set(lpfc_mbx_set_host_day, tm, day);
bf_set(lpfc_mbx_set_host_year, tm, year);
bf_set(lpfc_mbx_set_host_hour, tm, hour);
bf_set(lpfc_mbx_set_host_min, tm, minute);
bf_set(lpfc_mbx_set_host_sec, tm, second);
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
mempool_free(mboxq, phba->mbox_mem_pool);
return rc;
}
/**
* lpfc_sli4_hba_setup - SLI4 device initialization PCI function
* @phba: Pointer to HBA context object.
@ -7588,6 +7633,10 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
goto out_free_mbox;
}
rc = lpfc_set_host_tm(phba);
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
"6468 Set host date / time: Status x%x:\n", rc);
/*
* Continue initialization with default values even if driver failed
* to read FCoE param config regions, only read parameters if the