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Commit 04c68496 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Mailbox handling 



The mailbox commands themselves are the same, or very similar to
their SLI3 counterparts. This patch genericizes mailbox command
handling and adds support for the new SLI4 mailbox queue.

Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 4f774513

drivers/scsi/lpfc/lpfc_attr.c

+25 −22
Original line number Diff line number Diff line
@@ -507,12 +507,14 @@ lpfc_issue_lip(struct Scsi_Host *shost) 
		return -ENOMEM;



	memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));

	pmboxq->mb.mbxCommand = MBX_DOWN_LINK;

	pmboxq->mb.mbxOwner = OWN_HOST;

	pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;

	pmboxq->u.mb.mbxOwner = OWN_HOST;



	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);



	if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {

	if ((mbxstatus == MBX_SUCCESS) &&

	    (pmboxq->u.mb.mbxStatus == 0 ||

	     pmboxq->u.mb.mbxStatus == MBXERR_LINK_DOWN)) {

		memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));

		lpfc_init_link(phba, pmboxq, phba->cfg_topology,

			       phba->cfg_link_speed);
@@ -792,6 +794,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, 
		  uint32_t *mvpi, uint32_t *avpi)

{

	struct lpfc_sli *psli = &phba->sli;

	struct lpfc_mbx_read_config *rd_config;

	LPFC_MBOXQ_t *pmboxq;

	MAILBOX_t *pmb;

	int rc = 0;
@@ -813,7 +816,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba, 
		return 0;

	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));



	pmb = &pmboxq->mb;

	pmb = &pmboxq->u.mb;

	pmb->mbxCommand = MBX_READ_CONFIG;

	pmb->mbxOwner = OWN_HOST;

	pmboxq->context1 = NULL;
@@ -3247,7 +3250,7 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, 
		}

	}



	memcpy((uint8_t *) & phba->sysfs_mbox.mbox->mb + off,

	memcpy((uint8_t *) &phba->sysfs_mbox.mbox->u.mb + off,

	       buf, count);



	phba->sysfs_mbox.offset = off + count;
@@ -3289,6 +3292,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;

	struct lpfc_hba   *phba = vport->phba;

	int rc;

	MAILBOX_t *pmb;



	if (off > MAILBOX_CMD_SIZE)

		return -ERANGE;
@@ -3313,8 +3317,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
	if (off == 0 &&

	    phba->sysfs_mbox.state  == SMBOX_WRITING &&

	    phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {



		switch (phba->sysfs_mbox.mbox->mb.mbxCommand) {

		pmb = &phba->sysfs_mbox.mbox->u.mb;

		switch (pmb->mbxCommand) {

			/* Offline only */

		case MBX_INIT_LINK:

		case MBX_DOWN_LINK:
@@ -3331,7 +3335,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
			if (!(vport->fc_flag & FC_OFFLINE_MODE)) {

				printk(KERN_WARNING "mbox_read:Command 0x%x "

				       "is illegal in on-line state\n",

				       phba->sysfs_mbox.mbox->mb.mbxCommand);

				       pmb->mbxCommand);

				sysfs_mbox_idle(phba);

				spin_unlock_irq(&phba->hbalock);

				return -EPERM;
@@ -3367,13 +3371,13 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
		case MBX_CONFIG_PORT:

		case MBX_RUN_BIU_DIAG:

			printk(KERN_WARNING "mbox_read: Illegal Command 0x%x\n",

			       phba->sysfs_mbox.mbox->mb.mbxCommand);

			       pmb->mbxCommand);

			sysfs_mbox_idle(phba);

			spin_unlock_irq(&phba->hbalock);

			return -EPERM;

		default:

			printk(KERN_WARNING "mbox_read: Unknown Command 0x%x\n",

			       phba->sysfs_mbox.mbox->mb.mbxCommand);

			       pmb->mbxCommand);

			sysfs_mbox_idle(phba);

			spin_unlock_irq(&phba->hbalock);

			return -EPERM;
@@ -3383,14 +3387,14 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
		 * or RESTART mailbox commands until the HBA is restarted.

		 */

		if (phba->pport->stopped &&

		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY &&

		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART &&

		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS &&

		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN)

		    pmb->mbxCommand != MBX_DUMP_MEMORY &&

		    pmb->mbxCommand != MBX_RESTART &&

		    pmb->mbxCommand != MBX_WRITE_VPARMS &&

		    pmb->mbxCommand != MBX_WRITE_WWN)

			lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,

					"1259 mbox: Issued mailbox cmd "

					"0x%x while in stopped state.\n",

					phba->sysfs_mbox.mbox->mb.mbxCommand);

					pmb->mbxCommand);



		phba->sysfs_mbox.mbox->vport = vport;
@@ -3416,8 +3420,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
			spin_unlock_irq(&phba->hbalock);

			rc = lpfc_sli_issue_mbox_wait (phba,

						       phba->sysfs_mbox.mbox,

				lpfc_mbox_tmo_val(phba,

				    phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);

				lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);

			spin_lock_irq(&phba->hbalock);

		}
@@ -3439,7 +3442,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, 
		return -EAGAIN;

	}



	memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);

	memcpy(buf, (uint8_t *) &pmb + off, count);



	phba->sysfs_mbox.offset = off + count;
@@ -3711,14 +3714,14 @@ lpfc_get_stats(struct Scsi_Host *shost) 
		return NULL;

	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));



	pmb = &pmboxq->mb;

	pmb = &pmboxq->u.mb;

	pmb->mbxCommand = MBX_READ_STATUS;

	pmb->mbxOwner = OWN_HOST;

	pmboxq->context1 = NULL;

	pmboxq->vport = vport;



	if ((vport->fc_flag & FC_OFFLINE_MODE) ||

		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))

		(!(psli->sli_flag & LPFC_SLI_ACTIVE)))

		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);

	else

		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
@@ -3817,7 +3820,7 @@ lpfc_reset_stats(struct Scsi_Host *shost) 
		return;

	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));



	pmb = &pmboxq->mb;

	pmb = &pmboxq->u.mb;

	pmb->mbxCommand = MBX_READ_STATUS;

	pmb->mbxOwner = OWN_HOST;

	pmb->un.varWords[0] = 0x1; /* reset request */

drivers/scsi/lpfc/lpfc_crtn.h

+1 −0
Original line number Diff line number Diff line
@@ -209,6 +209,7 @@ void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); 
uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);

void lpfc_sli_cancel_iocbs(struct lpfc_hba *, struct list_head *, uint32_t,

			   uint32_t);

void lpfc_sli_wake_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *);



void lpfc_reset_barrier(struct lpfc_hba * phba);

int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);

drivers/scsi/lpfc/lpfc_els.c

+3 −3
Original line number Diff line number Diff line
@@ -4277,7 +4277,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, 
			lpfc_init_link(phba, mbox,

				       phba->cfg_topology,

				       phba->cfg_link_speed);

			mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;

			mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;

			mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;

			mbox->vport = vport;

			rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
@@ -4426,7 +4426,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
	uint16_t xri, status;

	uint32_t cmdsize;



	mb = &pmb->mb;

	mb = &pmb->u.mb;



	ndlp = (struct lpfc_nodelist *) pmb->context2;

	xri = (uint16_t) ((unsigned long)(pmb->context1));
@@ -5755,7 +5755,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
	struct lpfc_vport *vport = pmb->vport;

	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

	struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;



	spin_lock_irq(shost->host_lock);

	vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;

drivers/scsi/lpfc/lpfc_hbadisc.c

+11 −11
Original line number Diff line number Diff line
@@ -879,7 +879,7 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
	struct lpfc_vport *vport = pmb->vport;

	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

	struct lpfc_sli   *psli = &phba->sli;

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;

	uint32_t control;



	/* Since we don't do discovery right now, turn these off here */
@@ -942,7 +942,7 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
{

	struct lpfc_vport *vport = pmb->vport;



	if (pmb->mb.mbxStatus)

	if (pmb->u.mb.mbxStatus)

		goto out;



	mempool_free(pmb, phba->mbox_mem_pool);
@@ -970,7 +970,7 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
	lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,

			 "0306 CONFIG_LINK mbxStatus error x%x "

			 "HBA state x%x\n",

			 pmb->mb.mbxStatus, vport->port_state);

			 pmb->u.mb.mbxStatus, vport->port_state);

	mempool_free(pmb, phba->mbox_mem_pool);



	lpfc_linkdown(phba);
@@ -1202,7 +1202,7 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
	struct lpfc_vport *vport = pmb->vport;

	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

	READ_LA_VAR *la;

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;

	struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);



	/* Unblock ELS traffic */
@@ -1217,7 +1217,7 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
		goto lpfc_mbx_cmpl_read_la_free_mbuf;

	}



	la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;

	la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA;



	memcpy(&phba->alpa_map[0], mp->virt, 128);
@@ -1355,7 +1355,7 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
static void

lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)

{

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;

	struct lpfc_vport *vport = pmb->vport;

	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
@@ -1408,7 +1408,7 @@ lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 
{

	struct lpfc_vport *vport = pmb->vport;

	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;



	switch (mb->mbxStatus) {

	case 0x0011:
@@ -2279,7 +2279,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 


	/* cleanup any ndlp on mbox q waiting for reglogin cmpl */

	if ((mb = phba->sli.mbox_active)) {

		if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&

		if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&

		   (ndlp == (struct lpfc_nodelist *) mb->context2)) {

			mb->context2 = NULL;

			mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -2288,7 +2288,7 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 


	spin_lock_irq(&phba->hbalock);

	list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {

		if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&

		if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&

		    (ndlp == (struct lpfc_nodelist *) mb->context2)) {

			mp = (struct lpfc_dmabuf *) (mb->context1);

			if (mp) {
@@ -2970,7 +2970,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) 
		lpfc_linkdown(phba);

		lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,

			       phba->cfg_link_speed);

		initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;

		initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;

		initlinkmbox->vport = vport;

		initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;

		rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT);
@@ -3069,7 +3069,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) 
void

lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)

{

	MAILBOX_t *mb = &pmb->mb;

	MAILBOX_t *mb = &pmb->u.mb;

	struct lpfc_dmabuf   *mp = (struct lpfc_dmabuf *) (pmb->context1);

	struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;

	struct lpfc_vport    *vport = pmb->vport;

drivers/scsi/lpfc/lpfc_init.c

+14 −8
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) 
		return -ENOMEM;

	}



	mb = &pmb->mb;

	mb = &pmb->u.mb;

	phba->link_state = LPFC_INIT_MBX_CMDS;



	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
@@ -221,6 +221,11 @@ lpfc_config_port_prep(struct lpfc_hba *phba) 
					mb->mbxCommand, mb->mbxStatus);

			mb->un.varDmp.word_cnt = 0;

		}

		/* dump mem may return a zero when finished or we got a

		 * mailbox error, either way we are done.

		 */

		if (mb->un.varDmp.word_cnt == 0)

			break;

		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)

			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;

		lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
@@ -249,7 +254,7 @@ lpfc_config_port_prep(struct lpfc_hba *phba) 
static void

lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)

{

	if (pmboxq->mb.mbxStatus == MBX_SUCCESS)

	if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS)

		phba->temp_sensor_support = 1;

	else

		phba->temp_sensor_support = 0;
@@ -276,7 +281,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) 
	/* character array used for decoding dist type. */

	char dist_char[] = "nabx";



	if (pmboxq->mb.mbxStatus != MBX_SUCCESS) {

	if (pmboxq->u.mb.mbxStatus != MBX_SUCCESS) {

		mempool_free(pmboxq, phba->mbox_mem_pool);

		return;

	}
@@ -284,7 +289,7 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) 
	prg = (struct prog_id *) &prog_id_word;



	/* word 7 contain option rom version */

	prog_id_word = pmboxq->mb.un.varWords[7];

	prog_id_word = pmboxq->u.mb.un.varWords[7];



	/* Decode the Option rom version word to a readable string */

	if (prg->dist < 4)
@@ -341,7 +346,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) 
		phba->link_state = LPFC_HBA_ERROR;

		return -ENOMEM;

	}

	mb = &pmb->mb;

	mb = &pmb->u.mb;



	/* Get login parameters for NID.  */

	lpfc_read_sparam(phba, pmb, 0);
@@ -476,17 +481,18 @@ lpfc_config_port_post(struct lpfc_hba *phba) 
			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,

					"0352 Config MSI mailbox command "

					"failed, mbxCmd x%x, mbxStatus x%x\n",

					pmb->mb.mbxCommand, pmb->mb.mbxStatus);

					pmb->u.mb.mbxCommand,

					pmb->u.mb.mbxStatus);

			mempool_free(pmb, phba->mbox_mem_pool);

			return -EIO;

		}

	}



	spin_lock_irq(&phba->hbalock);

	/* Initialize ERATT handling flag */

	phba->hba_flag &= ~HBA_ERATT_HANDLED;



	/* Enable appropriate host interrupts */

	spin_lock_irq(&phba->hbalock);

	status = readl(phba->HCregaddr);

	status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA;

	if (psli->num_rings > 0)
@@ -2201,7 +2207,7 @@ lpfc_offline_prep(struct lpfc_hba * phba) 
	}

	lpfc_destroy_vport_work_array(phba, vports);



	lpfc_sli_flush_mbox_queue(phba);

	lpfc_sli_mbox_sys_shutdown(phba);

}



/**