/**
 * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB)
 * @phba: pointer to lpfc hba data structure.
 *
 * This routine sets up and initializes the IOCB rings in the Port Control
 * Block (PCB).
 **/
static void
lpfc_config_pcb_setup(struct lpfc_hba * phba)
{
	struct lpfc_sli *psli = &phba->sli;
	struct lpfc_sli_ring *pring;
	PCB_t *pcbp = phba->pcb;
	dma_addr_t pdma_addr;
	uint32_t offset;
	uint32_t iocbCnt = 0;
	int i;

	pcbp->maxRing = (psli->num_rings - 1);

	for (i = 0; i < psli->num_rings; i++) {
		pring = &psli->ring[i];

		pring->sizeCiocb = phba->sli_rev == 3 ? SLI3_IOCB_CMD_SIZE:
							SLI2_IOCB_CMD_SIZE;
		pring->sizeRiocb = phba->sli_rev == 3 ? SLI3_IOCB_RSP_SIZE:
							SLI2_IOCB_RSP_SIZE;
		/* A ring MUST have both cmd and rsp entries defined to be
		   valid */
		if ((pring->numCiocb == 0) || (pring->numRiocb == 0)) {
			pcbp->rdsc[i].cmdEntries = 0;
			pcbp->rdsc[i].rspEntries = 0;
			pcbp->rdsc[i].cmdAddrHigh = 0;
			pcbp->rdsc[i].rspAddrHigh = 0;
			pcbp->rdsc[i].cmdAddrLow = 0;
			pcbp->rdsc[i].rspAddrLow = 0;
			pring->cmdringaddr = NULL;
			pring->rspringaddr = NULL;
			continue;
		}
		/* Command ring setup for ring */
		pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
		pcbp->rdsc[i].cmdEntries = pring->numCiocb;

		offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
			 (uint8_t *) phba->slim2p.virt;
		pdma_addr = phba->slim2p.phys + offset;
		pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
		pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
		iocbCnt += pring->numCiocb;

		/* Response ring setup for ring */
		pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt];

		pcbp->rdsc[i].rspEntries = pring->numRiocb;
		offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
			 (uint8_t *)phba->slim2p.virt;
		pdma_addr = phba->slim2p.phys + offset;
		pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
		pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
		iocbCnt += pring->numRiocb;
	}
}
/**
 * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ.
 * @phba: pointer to lpfc hba data structure.
 * @id: HBQ identifier.
 * @hbq_desc: pointer to the HBA descriptor data structure.
 * @hbq_entry_index: index of the HBQ entry data structures.
 * @pmb: pointer to the driver internal queue element for mailbox command.
 *
 * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
 * an HBQ. The configuration binds events that require buffers to a particular
 * ring and HBQ based on a selection profile.
 *
 * This routine prepares the mailbox command for configuring an HBQ.
 **/
void
lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
		 struct lpfc_hbq_init *hbq_desc,
		uint32_t hbq_entry_index, LPFC_MBOXQ_t *pmb)
{
	int i;
	MAILBOX_t *mb = &pmb->mb;
	struct config_hbq_var *hbqmb = &mb->un.varCfgHbq;

	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));
	hbqmb->hbqId = id;
	hbqmb->entry_count = hbq_desc->entry_count;   /* # entries in HBQ */
	hbqmb->recvNotify = hbq_desc->rn;             /* Receive
						       * Notification */
	hbqmb->numMask    = hbq_desc->mask_count;     /* # R_CTL/TYPE masks
						       * # in words 0-19 */
	hbqmb->profile    = hbq_desc->profile;	      /* Selection profile:
						       * 0 = all,
						       * 7 = logentry */
	hbqmb->ringMask   = hbq_desc->ring_mask;      /* Binds HBQ to a ring
						       * e.g. Ring0=b0001,
						       * ring2=b0100 */
	hbqmb->headerLen  = hbq_desc->headerLen;      /* 0 if not profile 4
						       * or 5 */
	hbqmb->logEntry   = hbq_desc->logEntry;       /* Set to 1 if this
						       * HBQ will be used
						       * for LogEntry
						       * buffers */
	hbqmb->hbqaddrLow = putPaddrLow(phba->hbqslimp.phys) +
		hbq_entry_index * sizeof(struct lpfc_hbq_entry);
	hbqmb->hbqaddrHigh = putPaddrHigh(phba->hbqslimp.phys);

	mb->mbxCommand = MBX_CONFIG_HBQ;
	mb->mbxOwner = OWN_HOST;

				/* Copy info for profiles 2,3,5. Other
				 * profiles this area is reserved
				 */
	if (hbq_desc->profile == 2)
		lpfc_build_hbq_profile2(hbqmb, hbq_desc);
	else if (hbq_desc->profile == 3)
		lpfc_build_hbq_profile3(hbqmb, hbq_desc);
	else if (hbq_desc->profile == 5)
		lpfc_build_hbq_profile5(hbqmb, hbq_desc);

	/* Return if no rctl / type masks for this HBQ */
	if (!hbq_desc->mask_count)
		return;

	/* Otherwise we setup specific rctl / type masks for this HBQ */
	for (i = 0; i < hbq_desc->mask_count; i++) {
		hbqmb->hbqMasks[i].tmatch = hbq_desc->hbqMasks[i].tmatch;
		hbqmb->hbqMasks[i].tmask  = hbq_desc->hbqMasks[i].tmask;
		hbqmb->hbqMasks[i].rctlmatch = hbq_desc->hbqMasks[i].rctlmatch;
		hbqmb->hbqMasks[i].rctlmask  = hbq_desc->hbqMasks[i].rctlmask;
	}

	return;
}
Esempio n. 3
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/**
 * lpfc_reg_rpi - Prepare a mailbox command for registering remote login
 * @phba: pointer to lpfc hba data structure.
 * @vpi: virtual N_Port identifier.
 * @did: remote port identifier.
 * @param: pointer to memory holding the server parameters.
 * @pmb: pointer to the driver internal queue element for mailbox command.
 * @flag: action flag to be passed back for the complete function.
 *
 * The registration login mailbox command is used to register an N_Port or
 * F_Port login. This registration allows the HBA to cache the remote N_Port
 * service parameters internally and thereby make the appropriate FC-2
 * decisions. The remote port service parameters are handed off by the driver
 * to the HBA using a descriptor entry that directly identifies a buffer in
 * host memory. In exchange, the HBA returns an RPI identifier.
 *
 * This routine prepares the mailbox command for registering remote port login.
 * The function allocates DMA buffer for passing the service parameters to the
 * HBA with the mailbox command.
 *
 * Return codes
 *    0 - Success
 *    1 - DMA memory allocation failed
 **/
int
lpfc_reg_rpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
	       uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag)
{
	MAILBOX_t *mb = &pmb->u.mb;
	uint8_t *sparam;
	struct lpfc_dmabuf *mp;

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

	mb->un.varRegLogin.rpi = 0;
	if (phba->sli_rev == LPFC_SLI_REV4) {
		mb->un.varRegLogin.rpi = lpfc_sli4_alloc_rpi(phba);
		if (mb->un.varRegLogin.rpi == LPFC_RPI_ALLOC_ERROR)
			return 1;
	}

	mb->un.varRegLogin.vpi = vpi + phba->vpi_base;
	mb->un.varRegLogin.did = did;
	mb->un.varWords[30] = flag;	/* Set flag to issue action on cmpl */

	mb->mbxOwner = OWN_HOST;

	/* Get a buffer to hold NPorts Service Parameters */
	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
	if (mp)
		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
	if (!mp || !mp->virt) {
		kfree(mp);
		mb->mbxCommand = MBX_REG_LOGIN64;
		/* REG_LOGIN: no buffers */
		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
				"0302 REG_LOGIN: no buffers, VPI:%d DID:x%x, "
				"flag x%x\n", vpi, did, flag);
		return (1);
	}
	INIT_LIST_HEAD(&mp->list);
	sparam = mp->virt;

	/* Copy param's into a new buffer */
	memcpy(sparam, param, sizeof (struct serv_parm));

	/* save address for completion */
	pmb->context1 = (uint8_t *) mp;

	mb->mbxCommand = MBX_REG_LOGIN64;
	mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
	mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
	mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);

	return (0);
}
Esempio n. 4
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int
lpfc_reg_login(struct lpfc_hba * phba,
	       uint32_t did, uint8_t * param, LPFC_MBOXQ_t * pmb, uint32_t flag)
{
	uint8_t *sparam;
	struct lpfc_dmabuf *mp;
	MAILBOX_t *mb;
	struct lpfc_sli *psli;

	psli = &phba->sli;
	mb = &pmb->mb;
	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));

	mb->un.varRegLogin.rpi = 0;
	mb->un.varRegLogin.did = did;
	mb->un.varWords[30] = flag;	/* Set flag to issue action on cmpl */

	mb->mbxOwner = OWN_HOST;

	/* Get a buffer to hold NPorts Service Parameters */
	if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
	    ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
		if (mp)
			kfree(mp);

		mb->mbxCommand = MBX_REG_LOGIN64;
		/* REG_LOGIN: no buffers */
		lpfc_printf_log(phba,
			       KERN_WARNING,
			       LOG_MBOX,
			       "%d:0302 REG_LOGIN: no buffers Data x%x x%x\n",
			       phba->brd_no,
			       (uint32_t) did, (uint32_t) flag);
		return (1);
	}
	INIT_LIST_HEAD(&mp->list);
	sparam = mp->virt;

	/* Copy param's into a new buffer */
	memcpy(sparam, param, sizeof (struct serv_parm));

	/* save address for completion */
	pmb->context1 = (uint8_t *) mp;

	mb->mbxCommand = MBX_REG_LOGIN64;
	mb->un.varRegLogin.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
	mb->un.varRegLogin.un.sp64.addrHigh = putPaddrHigh(mp->phys);
	mb->un.varRegLogin.un.sp64.addrLow = putPaddrLow(mp->phys);

	return (0);
}
Esempio n. 5
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/**
 * lpfc_dump_static_vport - Dump HBA's static vport information.
 * @phba: pointer to lpfc hba data structure.
 * @pmb: pointer to the driver internal queue element for mailbox command.
 * @offset: offset for dumping vport info.
 *
 * The dump mailbox command provides a method for the device driver to obtain
 * various types of information from the HBA device.
 *
 * This routine prepares the mailbox command for dumping list of static
 * vports to be created.
 **/
int
lpfc_dump_static_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb,
		uint16_t offset)
{
	MAILBOX_t *mb;
	struct lpfc_dmabuf *mp;

	mb = &pmb->u.mb;

	/* Setup to dump vport info region */
	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
	mb->mbxCommand = MBX_DUMP_MEMORY;
	mb->un.varDmp.type = DMP_NV_PARAMS;
	mb->un.varDmp.entry_index = offset;
	mb->un.varDmp.region_id = DMP_REGION_VPORT;
	mb->mbxOwner = OWN_HOST;

	/* For SLI3 HBAs data is embedded in mailbox */
	if (phba->sli_rev != LPFC_SLI_REV4) {
		mb->un.varDmp.cv = 1;
		mb->un.varDmp.word_cnt = DMP_RSP_SIZE/sizeof(uint32_t);
		return 0;
	}

	/* For SLI4 HBAs driver need to allocate memory */
	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
	if (mp)
		mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);

	if (!mp || !mp->virt) {
		kfree(mp);
		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
			"2605 lpfc_dump_static_vport: memory"
			" allocation failed\n");
		return 1;
	}
	memset(mp->virt, 0, LPFC_BPL_SIZE);
	INIT_LIST_HEAD(&mp->list);
	/* save address for completion */
	pmb->context2 = (uint8_t *) mp;
	mb->un.varWords[3] = putPaddrLow(mp->phys);
	mb->un.varWords[4] = putPaddrHigh(mp->phys);
	mb->un.varDmp.sli4_length = sizeof(struct static_vport_info);

	return 0;
}
Esempio n. 6
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int
lpfc_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
{
	struct lpfc_dmabuf *mp;
	MAILBOX_t *mb;
	struct lpfc_sli *psli;

	psli = &phba->sli;
	mb = &pmb->mb;
	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));

	mb->mbxOwner = OWN_HOST;

	/* Get a buffer to hold the HBAs Service Parameters */

	if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
	    ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
		if (mp)
			kfree(mp);
		mb->mbxCommand = MBX_READ_SPARM64;
		/* READ_SPARAM: no buffers */
		lpfc_printf_log(phba,
			        KERN_WARNING,
			        LOG_MBOX,
			        "%d:0301 READ_SPARAM: no buffers\n",
			        phba->brd_no);
		return (1);
	}
	INIT_LIST_HEAD(&mp->list);
	mb->mbxCommand = MBX_READ_SPARM64;
	mb->un.varRdSparm.un.sp64.tus.f.bdeSize = sizeof (struct serv_parm);
	mb->un.varRdSparm.un.sp64.addrHigh = putPaddrHigh(mp->phys);
	mb->un.varRdSparm.un.sp64.addrLow = putPaddrLow(mp->phys);

	/* save address for completion */
	pmb->context1 = mp;

	return (0);
}
/**
 * lpfc_read_la: Prepare a mailbox command for reading HBA link attention.
 * @phba: pointer to lpfc hba data structure.
 * @pmb: pointer to the driver internal queue element for mailbox command.
 * @mp: DMA buffer memory for reading the link attention information into.
 *
 * The read link attention mailbox command is issued to read the Link Event
 * Attention information indicated by the HBA port when the Link Event bit
 * of the Host Attention (HSTATT) register is set to 1. A Link Event
 * Attention occurs based on an exception detected at the Fibre Channel link
 * interface.
 *
 * This routine prepares the mailbox command for reading HBA link attention
 * information. A DMA memory has been set aside and address passed to the
 * HBA through @mp for the HBA to DMA link attention information into the
 * memory as part of the execution of the mailbox command.
 *
 * Return codes
 *    0 - Success (currently always return 0)
 **/
int
lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
{
	MAILBOX_t *mb;
	struct lpfc_sli *psli;

	psli = &phba->sli;
	mb = &pmb->mb;
	memset(pmb, 0, sizeof (LPFC_MBOXQ_t));

	INIT_LIST_HEAD(&mp->list);
	mb->mbxCommand = MBX_READ_LA64;
	mb->un.varReadLA.un.lilpBde64.tus.f.bdeSize = 128;
	mb->un.varReadLA.un.lilpBde64.addrHigh = putPaddrHigh(mp->phys);
	mb->un.varReadLA.un.lilpBde64.addrLow = putPaddrLow(mp->phys);

	/* Save address for later completion and set the owner to host so that
	 * the FW knows this mailbox is available for processing.
	 */
	pmb->context1 = (uint8_t *) mp;
	mb->mbxOwner = OWN_HOST;
	return (0);
}
/**
 * lpfc_config_port: Prepare a mailbox command for configuring port.
 * @phba: pointer to lpfc hba data structure.
 * @pmb: pointer to the driver internal queue element for mailbox command.
 *
 * The configure port mailbox command is used to identify the Port Control
 * Block (PCB) in the driver memory. After this command is issued, the
 * driver must not access the mailbox in the HBA without first resetting
 * the HBA. The HBA may copy the PCB information to internal storage for
 * subsequent use; the driver can not change the PCB information unless it
 * resets the HBA.
 *
 * This routine prepares the mailbox command for configuring port.
 **/
void
lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
	MAILBOX_t __iomem *mb_slim = (MAILBOX_t __iomem *) phba->MBslimaddr;
	MAILBOX_t *mb = &pmb->mb;
	dma_addr_t pdma_addr;
	uint32_t bar_low, bar_high;
	size_t offset;
	struct lpfc_hgp hgp;
	int i;
	uint32_t pgp_offset;

	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
	mb->mbxCommand = MBX_CONFIG_PORT;
	mb->mbxOwner = OWN_HOST;

	mb->un.varCfgPort.pcbLen = sizeof(PCB_t);

	offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
	pdma_addr = phba->slim2p.phys + offset;
	mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
	mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);

	/* Always Host Group Pointer is in SLIM */
	mb->un.varCfgPort.hps = 1;

	/* If HBA supports SLI=3 ask for it */

	if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) {
		if (phba->cfg_enable_bg)
			mb->un.varCfgPort.cbg = 1; /* configure BlockGuard */
		mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
		mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
		mb->un.varCfgPort.cinb = 1; /* Interrupt Notification Block */
		mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
		if (phba->max_vpi && phba->cfg_enable_npiv &&
		    phba->vpd.sli3Feat.cmv) {
			mb->un.varCfgPort.max_vpi = phba->max_vpi;
			mb->un.varCfgPort.cmv = 1;
		} else
			mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
	} else
		phba->sli_rev = 2;
	mb->un.varCfgPort.sli_mode = phba->sli_rev;

	/* Now setup pcb */
	phba->pcb->type = TYPE_NATIVE_SLI2;
	phba->pcb->feature = FEATURE_INITIAL_SLI2;

	/* Setup Mailbox pointers */
	phba->pcb->mailBoxSize = sizeof(MAILBOX_t);
	offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
	pdma_addr = phba->slim2p.phys + offset;
	phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
	phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);

	/*
	 * Setup Host Group ring pointer.
	 *
	 * For efficiency reasons, the ring get/put pointers can be
	 * placed in adapter memory (SLIM) rather than in host memory.
	 * This allows firmware to avoid PCI reads/writes when updating
	 * and checking pointers.
	 *
	 * The firmware recognizes the use of SLIM memory by comparing
	 * the address of the get/put pointers structure with that of
	 * the SLIM BAR (BAR0).
	 *
	 * Caution: be sure to use the PCI config space value of BAR0/BAR1
	 * (the hardware's view of the base address), not the OS's
	 * value of pci_resource_start() as the OS value may be a cookie
	 * for ioremap/iomap.
	 */


	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);

	/*
	 * Set up HGP - Port Memory
	 *
	 * The port expects the host get/put pointers to reside in memory
	 * following the "non-diagnostic" mode mailbox (32 words, 0x80 bytes)
	 * area of SLIM.  In SLI-2 mode, there's an additional 16 reserved
	 * words (0x40 bytes).  This area is not reserved if HBQs are
	 * configured in SLI-3.
	 *
	 * CR0Put    - SLI2(no HBQs) = 0xc0, With HBQs = 0x80
	 * RR0Get                      0xc4              0x84
	 * CR1Put                      0xc8              0x88
	 * RR1Get                      0xcc              0x8c
	 * CR2Put                      0xd0              0x90
	 * RR2Get                      0xd4              0x94
	 * CR3Put                      0xd8              0x98
	 * RR3Get                      0xdc              0x9c
	 *
	 * Reserved                    0xa0-0xbf
	 *    If HBQs configured:
	 *                         HBQ 0 Put ptr  0xc0
	 *                         HBQ 1 Put ptr  0xc4
	 *                         HBQ 2 Put ptr  0xc8
	 *                         ......
	 *                         HBQ(M-1)Put Pointer 0xc0+(M-1)*4
	 *
	 */

	if (phba->sli_rev == 3) {
		phba->host_gp = &mb_slim->us.s3.host[0];
		phba->hbq_put = &mb_slim->us.s3.hbq_put[0];
	} else {
		phba->host_gp = &mb_slim->us.s2.host[0];
		phba->hbq_put = NULL;
	}

	/* mask off BAR0's flag bits 0 - 3 */
	phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
		(void __iomem *)phba->host_gp -
		(void __iomem *)phba->MBslimaddr;
	if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
		phba->pcb->hgpAddrHigh = bar_high;
	else
		phba->pcb->hgpAddrHigh = 0;
	/* write HGP data to SLIM at the required longword offset */
	memset(&hgp, 0, sizeof(struct lpfc_hgp));

	for (i=0; i < phba->sli.num_rings; i++) {
		lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
				    sizeof(*phba->host_gp));
	}

	/* Setup Port Group offset */
	if (phba->sli_rev == 3)
		pgp_offset = offsetof(struct lpfc_sli2_slim,
				      mbx.us.s3_pgp.port);
	else
	memset(&hgp, 0, sizeof(struct lpfc_hgp));

	for (i=0; i < phba->sli.num_rings; i++) {
		lpfc_memcpy_to_slim(phba->host_gp + i, &hgp,
				    sizeof(*phba->host_gp));
	}

	/* Setup Port Group offset */
	if (phba->sli_rev == 3)
		pgp_offset = offsetof(struct lpfc_sli2_slim,
				      mbx.us.s3_pgp.port);
	else
		pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
	pdma_addr = phba->slim2p.phys + pgp_offset;
	phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
	phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);

	/* Use callback routine to setp rings in the pcb */
	lpfc_config_pcb_setup(phba);

	/* special handling for LC HBAs */
	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
		uint32_t hbainit[5];

		lpfc_hba_init(phba, hbainit);

		memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
	}

	/* Swap PCB if needed */
	lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
Esempio n. 10
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void
lpfc_config_port(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
{
	MAILBOX_t *mb = &pmb->mb;
	dma_addr_t pdma_addr;
	uint32_t bar_low, bar_high;
	size_t offset;
	HGP hgp;
	void __iomem *to_slim;

	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
	mb->mbxCommand = MBX_CONFIG_PORT;
	mb->mbxOwner = OWN_HOST;

	mb->un.varCfgPort.pcbLen = sizeof(PCB_t);

	offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
	pdma_addr = phba->slim2p_mapping + offset;
	mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
	mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);

	/* Now setup pcb */
	phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
	phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;

	/* Setup Mailbox pointers */
	phba->slim2p->pcb.mailBoxSize = sizeof(MAILBOX_t);
	offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
	pdma_addr = phba->slim2p_mapping + offset;
	phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
	phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);

	/*
	 * Setup Host Group ring pointer.
	 *
	 * For efficiency reasons, the ring get/put pointers can be
	 * placed in adapter memory (SLIM) rather than in host memory.
	 * This allows firmware to avoid PCI reads/writes when updating
	 * and checking pointers.
	 *
	 * The firmware recognizes the use of SLIM memory by comparing
	 * the address of the get/put pointers structure with that of
	 * the SLIM BAR (BAR0).
	 *
	 * Caution: be sure to use the PCI config space value of BAR0/BAR1
	 * (the hardware's view of the base address), not the OS's
	 * value of pci_resource_start() as the OS value may be a cookie
	 * for ioremap/iomap.
	 */


	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_0, &bar_low);
	pci_read_config_dword(phba->pcidev, PCI_BASE_ADDRESS_1, &bar_high);


	/* mask off BAR0's flag bits 0 - 3 */
	phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
					(SLIMOFF*sizeof(uint32_t));
	if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
		phba->slim2p->pcb.hgpAddrHigh = bar_high;
	else
		phba->slim2p->pcb.hgpAddrHigh = 0;
	/* write HGP data to SLIM at the required longword offset */
	memset(&hgp, 0, sizeof(HGP));
	to_slim = phba->MBslimaddr + (SLIMOFF*sizeof (uint32_t));
	lpfc_memcpy_to_slim(to_slim, &hgp, sizeof (HGP));

	/* Setup Port Group ring pointer */
	offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
		 (uint8_t *)phba->slim2p;
	pdma_addr = phba->slim2p_mapping + offset;
	phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
	phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);

	/* Use callback routine to setp rings in the pcb */
	lpfc_config_pcb_setup(phba);

	/* special handling for LC HBAs */
	if (lpfc_is_LC_HBA(phba->pcidev->device)) {
		uint32_t hbainit[5];

		lpfc_hba_init(phba, hbainit);

		memcpy(&mb->un.varCfgPort.hbainit, hbainit, 20);
	}

	/* Swap PCB if needed */
	lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
								sizeof (PCB_t));

	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
		        "%d:0405 Service Level Interface (SLI) 2 selected\n",
		        phba->brd_no);
}