Commit 3b0009c8 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

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

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: default avatarJustin Tee <justin.tee@broadcom.com>
Signed-off-by: default avatarJustin Tee <justin.tee@broadcom.com>
Signed-off-by: default avatarJames Smart <jsmart2021@gmail.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 54404d35

drivers/scsi/lpfc/lpfc_hw4.h

+29 −1
Original line number Diff line number Diff line
@@ -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 {

drivers/scsi/lpfc/lpfc_sli.c

+50 −1
Original line number Diff line number Diff line
@@ -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