qla_bsg.c 57.3 KB
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/*
 * QLogic Fibre Channel HBA Driver
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 * Copyright (c)  2003-2012 QLogic Corporation
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 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */
#include "qla_def.h"

#include <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>

/* BSG support for ELS/CT pass through */
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void
qla2x00_bsg_job_done(void *data, void *ptr, int res)
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{
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	srb_t *sp = (srb_t *)ptr;
	struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
	struct fc_bsg_job *bsg_job = sp->u.bsg_job;

	bsg_job->reply->result = res;
	bsg_job->job_done(bsg_job);
	sp->free(vha, sp);
}

void
qla2x00_bsg_sp_free(void *data, void *ptr)
{
	srb_t *sp = (srb_t *)ptr;
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	struct scsi_qla_host *vha = sp->fcport->vha;
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	struct fc_bsg_job *bsg_job = sp->u.bsg_job;
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	struct qla_hw_data *ha = vha->hw;
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	struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
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	if (sp->type == SRB_FXIOCB_BCMD) {
		piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
		    &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
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		if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
			dma_unmap_sg(&ha->pdev->dev,
			    bsg_job->request_payload.sg_list,
			    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

		if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
			dma_unmap_sg(&ha->pdev->dev,
			    bsg_job->reply_payload.sg_list,
			    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
	} else {
		dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

		dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
		    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
	}
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	if (sp->type == SRB_CT_CMD ||
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	    sp->type == SRB_FXIOCB_BCMD ||
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	    sp->type == SRB_ELS_CMD_HST)
		kfree(sp->fcport);
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	qla2x00_rel_sp(vha, sp);
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}

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int
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qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
	struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag)
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{
	int i, ret, num_valid;
	uint8_t *bcode;
	struct qla_fcp_prio_entry *pri_entry;
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	uint32_t *bcode_val_ptr, bcode_val;
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	ret = 1;
	num_valid = 0;
	bcode = (uint8_t *)pri_cfg;
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	bcode_val_ptr = (uint32_t *)pri_cfg;
	bcode_val = (uint32_t)(*bcode_val_ptr);
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	if (bcode_val == 0xFFFFFFFF) {
		/* No FCP Priority config data in flash */
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		ql_dbg(ql_dbg_user, vha, 0x7051,
		    "No FCP Priority config data.\n");
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		return 0;
	}

	if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
			bcode[3] != 'S') {
		/* Invalid FCP priority data header*/
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		ql_dbg(ql_dbg_user, vha, 0x7052,
		    "Invalid FCP Priority data header. bcode=0x%x.\n",
		    bcode_val);
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		return 0;
	}
	if (flag != 1)
		return ret;

	pri_entry = &pri_cfg->entry[0];
	for (i = 0; i < pri_cfg->num_entries; i++) {
		if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
			num_valid++;
		pri_entry++;
	}

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	if (num_valid == 0) {
		/* No valid FCP priority data entries */
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		ql_dbg(ql_dbg_user, vha, 0x7053,
		    "No valid FCP Priority data entries.\n");
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		ret = 0;
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	} else {
		/* FCP priority data is valid */
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		ql_dbg(ql_dbg_user, vha, 0x7054,
		    "Valid FCP priority data. num entries = %d.\n",
		    num_valid);
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	}
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	return ret;
}

static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int ret = 0;
	uint32_t len;
	uint32_t oper;

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	if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA82XX(ha))) {
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		ret = -EINVAL;
		goto exit_fcp_prio_cfg;
	}

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	/* Get the sub command */
	oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];

	/* Only set config is allowed if config memory is not allocated */
	if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
		ret = -EINVAL;
		goto exit_fcp_prio_cfg;
	}
	switch (oper) {
	case QLFC_FCP_PRIO_DISABLE:
		if (ha->flags.fcp_prio_enabled) {
			ha->flags.fcp_prio_enabled = 0;
			ha->fcp_prio_cfg->attributes &=
				~FCP_PRIO_ATTR_ENABLE;
			qla24xx_update_all_fcp_prio(vha);
			bsg_job->reply->result = DID_OK;
		} else {
			ret = -EINVAL;
			bsg_job->reply->result = (DID_ERROR << 16);
			goto exit_fcp_prio_cfg;
		}
		break;

	case QLFC_FCP_PRIO_ENABLE:
		if (!ha->flags.fcp_prio_enabled) {
			if (ha->fcp_prio_cfg) {
				ha->flags.fcp_prio_enabled = 1;
				ha->fcp_prio_cfg->attributes |=
				    FCP_PRIO_ATTR_ENABLE;
				qla24xx_update_all_fcp_prio(vha);
				bsg_job->reply->result = DID_OK;
			} else {
				ret = -EINVAL;
				bsg_job->reply->result = (DID_ERROR << 16);
				goto exit_fcp_prio_cfg;
			}
		}
		break;

	case QLFC_FCP_PRIO_GET_CONFIG:
		len = bsg_job->reply_payload.payload_len;
		if (!len || len > FCP_PRIO_CFG_SIZE) {
			ret = -EINVAL;
			bsg_job->reply->result = (DID_ERROR << 16);
			goto exit_fcp_prio_cfg;
		}

		bsg_job->reply->result = DID_OK;
		bsg_job->reply->reply_payload_rcv_len =
			sg_copy_from_buffer(
			bsg_job->reply_payload.sg_list,
			bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
			len);

		break;

	case QLFC_FCP_PRIO_SET_CONFIG:
		len = bsg_job->request_payload.payload_len;
		if (!len || len > FCP_PRIO_CFG_SIZE) {
			bsg_job->reply->result = (DID_ERROR << 16);
			ret = -EINVAL;
			goto exit_fcp_prio_cfg;
		}

		if (!ha->fcp_prio_cfg) {
			ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
			if (!ha->fcp_prio_cfg) {
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				ql_log(ql_log_warn, vha, 0x7050,
				    "Unable to allocate memory for fcp prio "
				    "config data (%x).\n", FCP_PRIO_CFG_SIZE);
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				bsg_job->reply->result = (DID_ERROR << 16);
				ret = -ENOMEM;
				goto exit_fcp_prio_cfg;
			}
		}

		memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
		sg_copy_to_buffer(bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
			FCP_PRIO_CFG_SIZE);

		/* validate fcp priority data */
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		if (!qla24xx_fcp_prio_cfg_valid(vha,
		    (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
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			bsg_job->reply->result = (DID_ERROR << 16);
			ret = -EINVAL;
			/* If buffer was invalidatic int
			 * fcp_prio_cfg is of no use
			 */
			vfree(ha->fcp_prio_cfg);
			ha->fcp_prio_cfg = NULL;
			goto exit_fcp_prio_cfg;
		}

		ha->flags.fcp_prio_enabled = 0;
		if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
			ha->flags.fcp_prio_enabled = 1;
		qla24xx_update_all_fcp_prio(vha);
		bsg_job->reply->result = DID_OK;
		break;
	default:
		ret = -EINVAL;
		break;
	}
exit_fcp_prio_cfg:
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	if (!ret)
		bsg_job->job_done(bsg_job);
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	return ret;
}
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static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
	struct fc_rport *rport;
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	fc_port_t *fcport = NULL;
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	struct Scsi_Host *host;
	scsi_qla_host_t *vha;
	struct qla_hw_data *ha;
	srb_t *sp;
	const char *type;
	int req_sg_cnt, rsp_sg_cnt;
	int rval =  (DRIVER_ERROR << 16);
	uint16_t nextlid = 0;

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	if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
		rport = bsg_job->rport;
		fcport = *(fc_port_t **) rport->dd_data;
		host = rport_to_shost(rport);
		vha = shost_priv(host);
		ha = vha->hw;
		type = "FC_BSG_RPT_ELS";
	} else {
		host = bsg_job->shost;
		vha = shost_priv(host);
		ha = vha->hw;
		type = "FC_BSG_HST_ELS_NOLOGIN";
	}

	/* pass through is supported only for ISP 4Gb or higher */
	if (!IS_FWI2_CAPABLE(ha)) {
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		ql_dbg(ql_dbg_user, vha, 0x7001,
		    "ELS passthru not supported for ISP23xx based adapters.\n");
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		rval = -EPERM;
		goto done;
	}

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	/*  Multiple SG's are not supported for ELS requests */
	if (bsg_job->request_payload.sg_cnt > 1 ||
		bsg_job->reply_payload.sg_cnt > 1) {
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		ql_dbg(ql_dbg_user, vha, 0x7002,
		    "Multiple SG's are not suppored for ELS requests, "
		    "request_sg_cnt=%x reply_sg_cnt=%x.\n",
		    bsg_job->request_payload.sg_cnt,
		    bsg_job->reply_payload.sg_cnt);
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		rval = -EPERM;
		goto done;
	}

	/* ELS request for rport */
	if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
		/* make sure the rport is logged in,
		 * if not perform fabric login
		 */
		if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
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			ql_dbg(ql_dbg_user, vha, 0x7003,
			    "Failed to login port %06X for ELS passthru.\n",
			    fcport->d_id.b24);
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			rval = -EIO;
			goto done;
		}
	} else {
		/* Allocate a dummy fcport structure, since functions
		 * preparing the IOCB and mailbox command retrieves port
		 * specific information from fcport structure. For Host based
		 * ELS commands there will be no fcport structure allocated
		 */
		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
		if (!fcport) {
			rval = -ENOMEM;
			goto done;
		}

		/* Initialize all required  fields of fcport */
		fcport->vha = vha;
		fcport->d_id.b.al_pa =
			bsg_job->request->rqst_data.h_els.port_id[0];
		fcport->d_id.b.area =
			bsg_job->request->rqst_data.h_els.port_id[1];
		fcport->d_id.b.domain =
			bsg_job->request->rqst_data.h_els.port_id[2];
		fcport->loop_id =
			(fcport->d_id.b.al_pa == 0xFD) ?
			NPH_FABRIC_CONTROLLER : NPH_F_PORT;
	}

	if (!vha->flags.online) {
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		ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
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		rval = -EIO;
		goto done;
	}

	req_sg_cnt =
		dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
	if (!req_sg_cnt) {
		rval = -ENOMEM;
		goto done_free_fcport;
	}
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	rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
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        if (!rsp_sg_cnt) {
		rval = -ENOMEM;
		goto done_free_fcport;
	}

	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
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		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
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		ql_log(ql_log_warn, vha, 0x7008,
		    "dma mapping resulted in different sg counts, "
		    "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
		    "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
		    req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
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		rval = -EAGAIN;
		goto done_unmap_sg;
	}

	/* Alloc SRB structure */
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	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
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	if (!sp) {
		rval = -ENOMEM;
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		goto done_unmap_sg;
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	}

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	sp->type =
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		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
		SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
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	sp->name =
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		(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
		"bsg_els_rpt" : "bsg_els_hst");
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	sp->u.bsg_job = bsg_job;
	sp->free = qla2x00_bsg_sp_free;
	sp->done = qla2x00_bsg_job_done;
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	ql_dbg(ql_dbg_user, vha, 0x700a,
	    "bsg rqst type: %s els type: %x - loop-id=%x "
	    "portid=%-2x%02x%02x.\n", type,
	    bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
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	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
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		ql_log(ql_log_warn, vha, 0x700e,
		    "qla2x00_start_sp failed = %d\n", rval);
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		qla2x00_rel_sp(vha, sp);
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		rval = -EIO;
		goto done_unmap_sg;
	}
	return rval;

done_unmap_sg:
	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
	goto done_free_fcport;

done_free_fcport:
	if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
		kfree(fcport);
done:
	return rval;
}

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inline uint16_t
qla24xx_calc_ct_iocbs(uint16_t dsds)
{
	uint16_t iocbs;

	iocbs = 1;
	if (dsds > 2) {
		iocbs += (dsds - 2) / 5;
		if ((dsds - 2) % 5)
			iocbs++;
	}
	return iocbs;
}

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static int
qla2x00_process_ct(struct fc_bsg_job *bsg_job)
{
	srb_t *sp;
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = (DRIVER_ERROR << 16);
	int req_sg_cnt, rsp_sg_cnt;
	uint16_t loop_id;
	struct fc_port *fcport;
	char  *type = "FC_BSG_HST_CT";

	req_sg_cnt =
		dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
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	if (!req_sg_cnt) {
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		ql_log(ql_log_warn, vha, 0x700f,
		    "dma_map_sg return %d for request\n", req_sg_cnt);
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		rval = -ENOMEM;
		goto done;
	}

	rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
	if (!rsp_sg_cnt) {
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		ql_log(ql_log_warn, vha, 0x7010,
		    "dma_map_sg return %d for reply\n", rsp_sg_cnt);
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		rval = -ENOMEM;
		goto done;
	}

	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
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	    (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
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		ql_log(ql_log_warn, vha, 0x7011,
		    "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
		    "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
		    req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
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		rval = -EAGAIN;
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		goto done_unmap_sg;
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	}

	if (!vha->flags.online) {
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		ql_log(ql_log_warn, vha, 0x7012,
		    "Host is not online.\n");
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		rval = -EIO;
		goto done_unmap_sg;
	}

	loop_id =
		(bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
			>> 24;
	switch (loop_id) {
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	case 0xFC:
		loop_id = cpu_to_le16(NPH_SNS);
		break;
	case 0xFA:
		loop_id = vha->mgmt_svr_loop_id;
		break;
	default:
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		ql_dbg(ql_dbg_user, vha, 0x7013,
		    "Unknown loop id: %x.\n", loop_id);
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		rval = -EINVAL;
		goto done_unmap_sg;
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	}

	/* Allocate a dummy fcport structure, since functions preparing the
	 * IOCB and mailbox command retrieves port specific information
	 * from fcport structure. For Host based ELS commands there will be
	 * no fcport structure allocated
	 */
	fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
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	if (!fcport) {
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		ql_log(ql_log_warn, vha, 0x7014,
		    "Failed to allocate fcport.\n");
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		rval = -ENOMEM;
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		goto done_unmap_sg;
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	}

	/* Initialize all required  fields of fcport */
	fcport->vha = vha;
	fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
	fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
	fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
	fcport->loop_id = loop_id;

	/* Alloc SRB structure */
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	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
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	if (!sp) {
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		ql_log(ql_log_warn, vha, 0x7015,
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		    "qla2x00_get_sp failed.\n");
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		rval = -ENOMEM;
		goto done_free_fcport;
	}

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	sp->type = SRB_CT_CMD;
	sp->name = "bsg_ct";
	sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
	sp->u.bsg_job = bsg_job;
	sp->free = qla2x00_bsg_sp_free;
	sp->done = qla2x00_bsg_job_done;
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	ql_dbg(ql_dbg_user, vha, 0x7016,
	    "bsg rqst type: %s else type: %x - "
	    "loop-id=%x portid=%02x%02x%02x.\n", type,
	    (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
	    fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
	    fcport->d_id.b.al_pa);
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	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
533 534
		ql_log(ql_log_warn, vha, 0x7017,
		    "qla2x00_start_sp failed=%d.\n", rval);
535
		qla2x00_rel_sp(vha, sp);
536 537 538 539 540 541 542 543 544 545 546 547 548 549 550
		rval = -EIO;
		goto done_free_fcport;
	}
	return rval;

done_free_fcport:
	kfree(fcport);
done_unmap_sg:
	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
	dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
		bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done:
	return rval;
}
551 552 553 554

/* Disable loopback mode */
static inline int
qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
555
			    int wait, int wait2)
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575
{
	int ret = 0;
	int rval = 0;
	uint16_t new_config[4];
	struct qla_hw_data *ha = vha->hw;

	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
		goto done_reset_internal;

	memset(new_config, 0 , sizeof(new_config));
	if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
	    ENABLE_INTERNAL_LOOPBACK ||
	    (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
	    ENABLE_EXTERNAL_LOOPBACK) {
		new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
		ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
		    (new_config[0] & INTERNAL_LOOPBACK_MASK));
		memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;

		ha->notify_dcbx_comp = wait;
576 577
		ha->notify_lb_portup_comp = wait2;

578 579 580 581 582
		ret = qla81xx_set_port_config(vha, new_config);
		if (ret != QLA_SUCCESS) {
			ql_log(ql_log_warn, vha, 0x7025,
			    "Set port config failed.\n");
			ha->notify_dcbx_comp = 0;
583
			ha->notify_lb_portup_comp = 0;
584 585 586 587 588 589
			rval = -EINVAL;
			goto done_reset_internal;
		}

		/* Wait for DCBX complete event */
		if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
590
			(DCBX_COMP_TIMEOUT * HZ))) {
591
			ql_dbg(ql_dbg_user, vha, 0x7026,
592
			    "DCBX completion not received.\n");
593
			ha->notify_dcbx_comp = 0;
594
			ha->notify_lb_portup_comp = 0;
595 596 597 598
			rval = -EINVAL;
			goto done_reset_internal;
		} else
			ql_dbg(ql_dbg_user, vha, 0x7027,
599 600 601 602 603 604 605 606 607 608 609 610 611
			    "DCBX completion received.\n");

		if (wait2 &&
		    !wait_for_completion_timeout(&ha->lb_portup_comp,
		    (LB_PORTUP_COMP_TIMEOUT * HZ))) {
			ql_dbg(ql_dbg_user, vha, 0x70c5,
			    "Port up completion not received.\n");
			ha->notify_lb_portup_comp = 0;
			rval = -EINVAL;
			goto done_reset_internal;
		} else
			ql_dbg(ql_dbg_user, vha, 0x70c6,
			    "Port up completion received.\n");
612 613

		ha->notify_dcbx_comp = 0;
614
		ha->notify_lb_portup_comp = 0;
615 616 617 618 619
	}
done_reset_internal:
	return rval;
}

620 621 622
/*
 * Set the port configuration to enable the internal or external loopback
 * depending on the loopback mode.
623 624
 */
static inline int
625 626
qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
	uint16_t *new_config, uint16_t mode)
627 628 629 630 631
{
	int ret = 0;
	int rval = 0;
	struct qla_hw_data *ha = vha->hw;

632
	if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
633 634
		goto done_set_internal;

635 636 637 638 639 640 641 642
	if (mode == INTERNAL_LOOPBACK)
		new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
	else if (mode == EXTERNAL_LOOPBACK)
		new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
	ql_dbg(ql_dbg_user, vha, 0x70be,
	     "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));

	memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3);
643 644 645 646

	ha->notify_dcbx_comp = 1;
	ret = qla81xx_set_port_config(vha, new_config);
	if (ret != QLA_SUCCESS) {
647 648
		ql_log(ql_log_warn, vha, 0x7021,
		    "set port config failed.\n");
649 650 651 652 653 654
		ha->notify_dcbx_comp = 0;
		rval = -EINVAL;
		goto done_set_internal;
	}

	/* Wait for DCBX complete event */
655 656
	if (!wait_for_completion_timeout(&ha->dcbx_comp,
	    (DCBX_COMP_TIMEOUT * HZ))) {
657
		ql_dbg(ql_dbg_user, vha, 0x7022,
658 659
		    "DCBX completion not received.\n");
		ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
660 661 662 663 664 665 666 667
		/*
		 * If the reset of the loopback mode doesn't work take a FCoE
		 * dump and reset the chip.
		 */
		if (ret) {
			ha->isp_ops->fw_dump(vha, 0);
			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
		}
668 669 670 671 672 673 674 675 676
		rval = -EINVAL;
	} else {
		if (ha->flags.idc_compl_status) {
			ql_dbg(ql_dbg_user, vha, 0x70c3,
			    "Bad status in IDC Completion AEN\n");
			rval = -EINVAL;
			ha->flags.idc_compl_status = 0;
		} else
			ql_dbg(ql_dbg_user, vha, 0x7023,
677
			    "DCBX completion received.\n");
678
	}
679 680 681 682 683 684 685

	ha->notify_dcbx_comp = 0;

done_set_internal:
	return rval;
}

686 687 688 689 690 691 692 693 694 695 696
static int
qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval;
	uint8_t command_sent;
	char *type;
	struct msg_echo_lb elreq;
	uint16_t response[MAILBOX_REGISTER_COUNT];
697
	uint16_t config[4], new_config[4];
698
	uint8_t *fw_sts_ptr;
699 700 701 702 703 704 705 706
	uint8_t *req_data = NULL;
	dma_addr_t req_data_dma;
	uint32_t req_data_len;
	uint8_t *rsp_data = NULL;
	dma_addr_t rsp_data_dma;
	uint32_t rsp_data_len;

	if (!vha->flags.online) {
707
		ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
708 709 710 711 712 713 714
		return -EIO;
	}

	elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
		bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
		DMA_TO_DEVICE);

715 716 717
	if (!elreq.req_sg_cnt) {
		ql_log(ql_log_warn, vha, 0x701a,
		    "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
718
		return -ENOMEM;
719
	}
720 721 722 723 724 725

	elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
		bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
		DMA_FROM_DEVICE);

	if (!elreq.rsp_sg_cnt) {
726 727
		ql_log(ql_log_warn, vha, 0x701b,
		    "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
728 729
		rval = -ENOMEM;
		goto done_unmap_req_sg;
730
	}
731 732 733

	if ((elreq.req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
		(elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
734 735 736 737 738 739
		ql_log(ql_log_warn, vha, 0x701c,
		    "dma mapping resulted in different sg counts, "
		    "request_sg_cnt: %x dma_request_sg_cnt: %x "
		    "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
		    bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
		    bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
740 741 742 743 744 745 746
		rval = -EAGAIN;
		goto done_unmap_sg;
	}
	req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
	req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
		&req_data_dma, GFP_KERNEL);
	if (!req_data) {
747 748
		ql_log(ql_log_warn, vha, 0x701d,
		    "dma alloc failed for req_data.\n");
749 750 751 752 753 754 755
		rval = -ENOMEM;
		goto done_unmap_sg;
	}

	rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
		&rsp_data_dma, GFP_KERNEL);
	if (!rsp_data) {
756 757
		ql_log(ql_log_warn, vha, 0x7004,
		    "dma alloc failed for rsp_data.\n");
758 759 760 761 762 763 764 765 766 767 768 769 770
		rval = -ENOMEM;
		goto done_free_dma_req;
	}

	/* Copy the request buffer in req_data now */
	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, req_data, req_data_len);

	elreq.send_dma = req_data_dma;
	elreq.rcv_dma = rsp_data_dma;
	elreq.transfer_size = req_data_len;

	elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
771 772
	elreq.iteration_count =
	    bsg_job->request->rqst_data.h_vendor.vendor_cmd[2];
773

774 775
	if (atomic_read(&vha->loop_state) == LOOP_READY &&
	    (ha->current_topology == ISP_CFG_F ||
776
	    ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
777 778 779 780
	    le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
	    && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
		elreq.options == EXTERNAL_LOOPBACK) {
		type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
781 782
		ql_dbg(ql_dbg_user, vha, 0x701e,
		    "BSG request type: %s.\n", type);
783 784 785
		command_sent = INT_DEF_LB_ECHO_CMD;
		rval = qla2x00_echo_test(vha, &elreq, response);
	} else {
786
		if (IS_QLA81XX(ha) || IS_QLA8031(ha)) {
787 788
			memset(config, 0, sizeof(config));
			memset(new_config, 0, sizeof(new_config));
789

790
			if (qla81xx_get_port_config(vha, config)) {
791 792
				ql_log(ql_log_warn, vha, 0x701f,
				    "Get port config failed.\n");
793
				rval = -EPERM;
794
				goto done_free_dma_rsp;
795 796
			}

797 798 799 800 801 802 803 804
			if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
				ql_dbg(ql_dbg_user, vha, 0x70c4,
				    "Loopback operation already in "
				    "progress.\n");
				rval = -EAGAIN;
				goto done_free_dma_rsp;
			}

805 806 807 808 809 810 811 812 813
			ql_dbg(ql_dbg_user, vha, 0x70c0,
			    "elreq.options=%04x\n", elreq.options);

			if (elreq.options == EXTERNAL_LOOPBACK)
				if (IS_QLA8031(ha))
					rval = qla81xx_set_loopback_mode(vha,
					    config, new_config, elreq.options);
				else
					rval = qla81xx_reset_loopback_mode(vha,
814
					    config, 1, 0);
815 816 817 818 819 820
			else
				rval = qla81xx_set_loopback_mode(vha, config,
				    new_config, elreq.options);

			if (rval) {
				rval = -EPERM;
821
				goto done_free_dma_rsp;
822 823 824
			}

			type = "FC_BSG_HST_VENDOR_LOOPBACK";
825 826
			ql_dbg(ql_dbg_user, vha, 0x7028,
			    "BSG request type: %s.\n", type);
827 828 829 830

			command_sent = INT_DEF_LB_LOOPBACK_CMD;
			rval = qla2x00_loopback_test(vha, &elreq, response);

831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850
			if (response[0] == MBS_COMMAND_ERROR &&
					response[1] == MBS_LB_RESET) {
				ql_log(ql_log_warn, vha, 0x7029,
				    "MBX command error, Aborting ISP.\n");
				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
				qla2xxx_wake_dpc(vha);
				qla2x00_wait_for_chip_reset(vha);
				/* Also reset the MPI */
				if (IS_QLA81XX(ha)) {
					if (qla81xx_restart_mpi_firmware(vha) !=
					    QLA_SUCCESS) {
						ql_log(ql_log_warn, vha, 0x702a,
						    "MPI reset failed.\n");
					}
				}

				rval = -EIO;
				goto done_free_dma_rsp;
			}

851
			if (new_config[0]) {
852 853
				int ret;

854 855 856
				/* Revert back to original port config
				 * Also clear internal loopback
				 */
857
				ret = qla81xx_reset_loopback_mode(vha,
858
				    new_config, 0, 1);
859 860 861 862 863 864 865 866 867 868 869
				if (ret) {
					/*
					 * If the reset of the loopback mode
					 * doesn't work take FCoE dump and then
					 * reset the chip.
					 */
					ha->isp_ops->fw_dump(vha, 0);
					set_bit(ISP_ABORT_NEEDED,
					    &vha->dpc_flags);
				}

870 871 872 873
			}

		} else {
			type = "FC_BSG_HST_VENDOR_LOOPBACK";
874 875
			ql_dbg(ql_dbg_user, vha, 0x702b,
			    "BSG request type: %s.\n", type);
876 877
			command_sent = INT_DEF_LB_LOOPBACK_CMD;
			rval = qla2x00_loopback_test(vha, &elreq, response);
878 879 880 881
		}
	}

	if (rval) {
882 883
		ql_log(ql_log_warn, vha, 0x702c,
		    "Vendor request %s failed.\n", type);
884 885 886

		rval = 0;
		bsg_job->reply->result = (DID_ERROR << 16);
887
		bsg_job->reply->reply_payload_rcv_len = 0;
888
	} else {
889 890
		ql_dbg(ql_dbg_user, vha, 0x702d,
		    "Vendor request %s completed.\n", type);
891
		bsg_job->reply->result = (DID_OK << 16);
892 893 894 895
		sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
			bsg_job->reply_payload.sg_cnt, rsp_data,
			rsp_data_len);
	}
896 897 898 899 900 901 902 903

	bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
	    sizeof(response) + sizeof(uint8_t);
	fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
	    sizeof(struct fc_bsg_reply);
	memcpy(fw_sts_ptr, response, sizeof(response));
	fw_sts_ptr += sizeof(response);
	*fw_sts_ptr = command_sent;
904

905
done_free_dma_rsp:
906 907 908 909 910 911 912 913 914 915 916 917 918
	dma_free_coherent(&ha->pdev->dev, rsp_data_len,
		rsp_data, rsp_data_dma);
done_free_dma_req:
	dma_free_coherent(&ha->pdev->dev, req_data_len,
		req_data, req_data_dma);
done_unmap_sg:
	dma_unmap_sg(&ha->pdev->dev,
	    bsg_job->reply_payload.sg_list,
	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done_unmap_req_sg:
	dma_unmap_sg(&ha->pdev->dev,
	    bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
919 920
	if (!rval)
		bsg_job->job_done(bsg_job);
921
	return rval;
922 923 924 925 926 927 928 929 930 931 932 933
}

static int
qla84xx_reset(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint32_t flag;

	if (!IS_QLA84XX(ha)) {
934
		ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
935 936 937 938 939 940 941 942
		return -EINVAL;
	}

	flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];

	rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);

	if (rval) {
943 944
		ql_log(ql_log_warn, vha, 0x7030,
		    "Vendor request 84xx reset failed.\n");
945
		rval = (DID_ERROR << 16);
946 947

	} else {
948 949
		ql_dbg(ql_dbg_user, vha, 0x7031,
		    "Vendor request 84xx reset completed.\n");
950
		bsg_job->reply->result = DID_OK;
951
		bsg_job->job_done(bsg_job);
952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973
	}

	return rval;
}

static int
qla84xx_updatefw(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	struct verify_chip_entry_84xx *mn = NULL;
	dma_addr_t mn_dma, fw_dma;
	void *fw_buf = NULL;
	int rval = 0;
	uint32_t sg_cnt;
	uint32_t data_len;
	uint16_t options;
	uint32_t flag;
	uint32_t fw_ver;

	if (!IS_QLA84XX(ha)) {
974 975
		ql_dbg(ql_dbg_user, vha, 0x7032,
		    "Not 84xx, exiting.\n");
976 977 978 979 980
		return -EINVAL;
	}

	sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
981 982 983
	if (!sg_cnt) {
		ql_log(ql_log_warn, vha, 0x7033,
		    "dma_map_sg returned %d for request.\n", sg_cnt);
984
		return -ENOMEM;
985
	}
986 987

	if (sg_cnt != bsg_job->request_payload.sg_cnt) {
988 989 990 991
		ql_log(ql_log_warn, vha, 0x7034,
		    "DMA mapping resulted in different sg counts, "
		    "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
		    bsg_job->request_payload.sg_cnt, sg_cnt);
992 993 994 995 996 997 998 999
		rval = -EAGAIN;
		goto done_unmap_sg;
	}

	data_len = bsg_job->request_payload.payload_len;
	fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
		&fw_dma, GFP_KERNEL);
	if (!fw_buf) {
1000 1001
		ql_log(ql_log_warn, vha, 0x7035,
		    "DMA alloc failed for fw_buf.\n");
1002 1003 1004 1005 1006 1007 1008 1009 1010
		rval = -ENOMEM;
		goto done_unmap_sg;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, fw_buf, data_len);

	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
	if (!mn) {
1011 1012
		ql_log(ql_log_warn, vha, 0x7036,
		    "DMA alloc failed for fw buffer.\n");
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
		rval = -ENOMEM;
		goto done_free_fw_buf;
	}

	flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
	fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));

	memset(mn, 0, sizeof(struct access_chip_84xx));
	mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
	mn->entry_count = 1;

	options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
	if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
		options |= VCO_DIAG_FW;

	mn->options = cpu_to_le16(options);
	mn->fw_ver =  cpu_to_le32(fw_ver);
	mn->fw_size =  cpu_to_le32(data_len);
	mn->fw_seq_size =  cpu_to_le32(data_len);
	mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
	mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
	mn->dseg_length = cpu_to_le32(data_len);
	mn->data_seg_cnt = cpu_to_le16(1);

	rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);

	if (rval) {
1040 1041
		ql_log(ql_log_warn, vha, 0x7037,
		    "Vendor request 84xx updatefw failed.\n");
1042

1043
		rval = (DID_ERROR << 16);
1044
	} else {
1045 1046
		ql_dbg(ql_dbg_user, vha, 0x7038,
		    "Vendor request 84xx updatefw completed.\n");
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060

		bsg_job->reply_len = sizeof(struct fc_bsg_reply);
		bsg_job->reply->result = DID_OK;
	}

	dma_pool_free(ha->s_dma_pool, mn, mn_dma);

done_free_fw_buf:
	dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);

done_unmap_sg:
	dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

1061 1062
	if (!rval)
		bsg_job->job_done(bsg_job);
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077
	return rval;
}

static int
qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	struct access_chip_84xx *mn = NULL;
	dma_addr_t mn_dma, mgmt_dma;
	void *mgmt_b = NULL;
	int rval = 0;
	struct qla_bsg_a84_mgmt *ql84_mgmt;
	uint32_t sg_cnt;
1078
	uint32_t data_len = 0;
1079 1080 1081
	uint32_t dma_direction = DMA_NONE;

	if (!IS_QLA84XX(ha)) {
1082 1083
		ql_log(ql_log_warn, vha, 0x703a,
		    "Not 84xx, exiting.\n");
1084 1085 1086 1087 1088
		return -EINVAL;
	}

	mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
	if (!mn) {
1089 1090
		ql_log(ql_log_warn, vha, 0x703c,
		    "DMA alloc failed for fw buffer.\n");
1091 1092 1093 1094 1095 1096
		return -ENOMEM;
	}

	memset(mn, 0, sizeof(struct access_chip_84xx));
	mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
	mn->entry_count = 1;
1097
	ql84_mgmt = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
1098 1099 1100 1101 1102 1103 1104
	switch (ql84_mgmt->mgmt.cmd) {
	case QLA84_MGMT_READ_MEM:
	case QLA84_MGMT_GET_INFO:
		sg_cnt = dma_map_sg(&ha->pdev->dev,
			bsg_job->reply_payload.sg_list,
			bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
		if (!sg_cnt) {
1105 1106
			ql_log(ql_log_warn, vha, 0x703d,
			    "dma_map_sg returned %d for reply.\n", sg_cnt);
1107 1108 1109 1110 1111 1112 1113
			rval = -ENOMEM;
			goto exit_mgmt;
		}

		dma_direction = DMA_FROM_DEVICE;

		if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
1114 1115 1116 1117
			ql_log(ql_log_warn, vha, 0x703e,
			    "DMA mapping resulted in different sg counts, "
			    "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
			    bsg_job->reply_payload.sg_cnt, sg_cnt);
1118 1119 1120 1121 1122 1123 1124 1125 1126
			rval = -EAGAIN;
			goto done_unmap_sg;
		}

		data_len = bsg_job->reply_payload.payload_len;

		mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
		    &mgmt_dma, GFP_KERNEL);
		if (!mgmt_b) {
1127 1128
			ql_log(ql_log_warn, vha, 0x703f,
			    "DMA alloc failed for mgmt_b.\n");
1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
			rval = -ENOMEM;
			goto done_unmap_sg;
		}

		if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
			mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
			mn->parameter1 =
				cpu_to_le32(
				ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);

		} else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
			mn->options = cpu_to_le16(ACO_REQUEST_INFO);
			mn->parameter1 =
				cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);

			mn->parameter2 =
				cpu_to_le32(
				ql84_mgmt->mgmt.mgmtp.u.info.context);
		}
		break;

	case QLA84_MGMT_WRITE_MEM:
		sg_cnt = dma_map_sg(&ha->pdev->dev,
			bsg_job->request_payload.sg_list,
			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

		if (!sg_cnt) {
1156 1157
			ql_log(ql_log_warn, vha, 0x7040,
			    "dma_map_sg returned %d.\n", sg_cnt);
1158 1159 1160 1161 1162 1163 1164
			rval = -ENOMEM;
			goto exit_mgmt;
		}

		dma_direction = DMA_TO_DEVICE;

		if (sg_cnt != bsg_job->request_payload.sg_cnt) {
1165 1166 1167 1168
			ql_log(ql_log_warn, vha, 0x7041,
			    "DMA mapping resulted in different sg counts, "
			    "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
			    bsg_job->request_payload.sg_cnt, sg_cnt);
1169 1170 1171 1172 1173 1174 1175 1176
			rval = -EAGAIN;
			goto done_unmap_sg;
		}

		data_len = bsg_job->request_payload.payload_len;
		mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
			&mgmt_dma, GFP_KERNEL);
		if (!mgmt_b) {
1177 1178
			ql_log(ql_log_warn, vha, 0x7042,
			    "DMA alloc failed for mgmt_b.\n");
1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
			rval = -ENOMEM;
			goto done_unmap_sg;
		}

		sg_copy_to_buffer(bsg_job->request_payload.sg_list,
			bsg_job->request_payload.sg_cnt, mgmt_b, data_len);

		mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
		mn->parameter1 =
			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
		break;

	case QLA84_MGMT_CHNG_CONFIG:
		mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
		mn->parameter1 =
			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);

		mn->parameter2 =
			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);

		mn->parameter3 =
			cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
		break;

	default:
		rval = -EIO;
		goto exit_mgmt;
	}

	if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
		mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
		mn->dseg_count = cpu_to_le16(1);
		mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
		mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
		mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
	}

	rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);

	if (rval) {
1219 1220
		ql_log(ql_log_warn, vha, 0x7043,
		    "Vendor request 84xx mgmt failed.\n");
1221

1222
		rval = (DID_ERROR << 16);
1223 1224

	} else {
1225 1226
		ql_dbg(ql_dbg_user, vha, 0x7044,
		    "Vendor request 84xx mgmt completed.\n");
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236

		bsg_job->reply_len = sizeof(struct fc_bsg_reply);
		bsg_job->reply->result = DID_OK;

		if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
			(ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
			bsg_job->reply->reply_payload_rcv_len =
				bsg_job->reply_payload.payload_len;

			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
1237 1238
				bsg_job->reply_payload.sg_cnt, mgmt_b,
				data_len);
1239 1240 1241 1242
		}
	}

done_unmap_sg:
1243 1244 1245
	if (mgmt_b)
		dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);

1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
	if (dma_direction == DMA_TO_DEVICE)
		dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
			bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
	else if (dma_direction == DMA_FROM_DEVICE)
		dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
			bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);

exit_mgmt:
	dma_pool_free(ha->s_dma_pool, mn, mn_dma);

1256 1257
	if (!rval)
		bsg_job->job_done(bsg_job);
1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
	return rval;
}

static int
qla24xx_iidma(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	int rval = 0;
	struct qla_port_param *port_param = NULL;
	fc_port_t *fcport = NULL;
	uint16_t mb[MAILBOX_REGISTER_COUNT];
	uint8_t *rsp_ptr = NULL;

	if (!IS_IIDMA_CAPABLE(vha->hw)) {
1273
		ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
1274 1275 1276
		return -EINVAL;
	}

1277
	port_param = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
1278
	if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
1279 1280
		ql_log(ql_log_warn, vha, 0x7048,
		    "Invalid destination type.\n");
1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294
		return -EINVAL;
	}

	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		if (fcport->port_type != FCT_TARGET)
			continue;

		if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
			fcport->port_name, sizeof(fcport->port_name)))
			continue;
		break;
	}

	if (!fcport) {
1295 1296
		ql_log(ql_log_warn, vha, 0x7049,
		    "Failed to find port.\n");
1297 1298 1299
		return -EINVAL;
	}

1300
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
1301 1302
		ql_log(ql_log_warn, vha, 0x704a,
		    "Port is not online.\n");
1303 1304 1305
		return -EINVAL;
	}

1306
	if (fcport->flags & FCF_LOGIN_NEEDED) {
1307 1308
		ql_log(ql_log_warn, vha, 0x704b,
		    "Remote port not logged in flags = 0x%x.\n", fcport->flags);
1309 1310 1311
		return -EINVAL;
	}

1312 1313 1314 1315 1316 1317 1318 1319
	if (port_param->mode)
		rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
			port_param->speed, mb);
	else
		rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
			&port_param->speed, mb);

	if (rval) {
1320 1321 1322 1323 1324 1325 1326
		ql_log(ql_log_warn, vha, 0x704c,
		    "iIDMA cmd failed for %02x%02x%02x%02x%02x%02x%02x%02x -- "
		    "%04x %x %04x %04x.\n", fcport->port_name[0],
		    fcport->port_name[1], fcport->port_name[2],
		    fcport->port_name[3], fcport->port_name[4],
		    fcport->port_name[5], fcport->port_name[6],
		    fcport->port_name[7], rval, fcport->fp_speed, mb[0], mb[1]);
1327
		rval = (DID_ERROR << 16);
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340
	} else {
		if (!port_param->mode) {
			bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
				sizeof(struct qla_port_param);

			rsp_ptr = ((uint8_t *)bsg_job->reply) +
				sizeof(struct fc_bsg_reply);

			memcpy(rsp_ptr, port_param,
				sizeof(struct qla_port_param));
		}

		bsg_job->reply->result = DID_OK;
1341
		bsg_job->job_done(bsg_job);
1342 1343 1344 1345 1346
	}

	return rval;
}

1347
static int
1348
qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
1349 1350 1351 1352
	uint8_t is_update)
{
	uint32_t start = 0;
	int valid = 0;
1353
	struct qla_hw_data *ha = vha->hw;
1354 1355 1356 1357 1358

	if (unlikely(pci_channel_offline(ha->pdev)))
		return -EINVAL;

	start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
1359 1360 1361
	if (start > ha->optrom_size) {
		ql_log(ql_log_warn, vha, 0x7055,
		    "start %d > optrom_size %d.\n", start, ha->optrom_size);
1362
		return -EINVAL;
1363
	}
1364

1365 1366 1367
	if (ha->optrom_state != QLA_SWAITING) {
		ql_log(ql_log_info, vha, 0x7056,
		    "optrom_state %d.\n", ha->optrom_state);
1368
		return -EBUSY;
1369
	}
1370 1371

	ha->optrom_region_start = start;
1372
	ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
1373 1374 1375 1376 1377 1378 1379
	if (is_update) {
		if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
			valid = 1;
		else if (start == (ha->flt_region_boot * 4) ||
		    start == (ha->flt_region_fw * 4))
			valid = 1;
		else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
1380
		    IS_CNA_CAPABLE(ha) || IS_QLA2031(ha))
1381 1382
			valid = 1;
		if (!valid) {
1383 1384 1385
			ql_log(ql_log_warn, vha, 0x7058,
			    "Invalid start region 0x%x/0x%x.\n", start,
			    bsg_job->request_payload.payload_len);
1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403
			return -EINVAL;
		}

		ha->optrom_region_size = start +
		    bsg_job->request_payload.payload_len > ha->optrom_size ?
		    ha->optrom_size - start :
		    bsg_job->request_payload.payload_len;
		ha->optrom_state = QLA_SWRITING;
	} else {
		ha->optrom_region_size = start +
		    bsg_job->reply_payload.payload_len > ha->optrom_size ?
		    ha->optrom_size - start :
		    bsg_job->reply_payload.payload_len;
		ha->optrom_state = QLA_SREADING;
	}

	ha->optrom_buffer = vmalloc(ha->optrom_region_size);
	if (!ha->optrom_buffer) {
1404
		ql_log(ql_log_warn, vha, 0x7059,
1405
		    "Read: Unable to allocate memory for optrom retrieval "
1406
		    "(%x)\n", ha->optrom_region_size);
1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423

		ha->optrom_state = QLA_SWAITING;
		return -ENOMEM;
	}

	memset(ha->optrom_buffer, 0, ha->optrom_region_size);
	return 0;
}

static int
qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;

1424
	if (ha->flags.nic_core_reset_hdlr_active)
1425 1426
		return -EBUSY;

1427
	rval = qla2x00_optrom_setup(bsg_job, vha, 0);
1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
	if (rval)
		return rval;

	ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
	    ha->optrom_region_start, ha->optrom_region_size);

	sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
	    bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
	    ha->optrom_region_size);

	bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
	bsg_job->reply->result = DID_OK;
	vfree(ha->optrom_buffer);
	ha->optrom_buffer = NULL;
	ha->optrom_state = QLA_SWAITING;
	bsg_job->job_done(bsg_job);
	return rval;
}

static int
qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;

1455
	rval = qla2x00_optrom_setup(bsg_job, vha, 1);
1456 1457 1458
	if (rval)
		return rval;

1459 1460 1461
	/* Set the isp82xx_no_md_cap not to capture minidump */
	ha->flags.isp82xx_no_md_cap = 1;

1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476
	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
	    ha->optrom_region_size);

	ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
	    ha->optrom_region_start, ha->optrom_region_size);

	bsg_job->reply->result = DID_OK;
	vfree(ha->optrom_buffer);
	ha->optrom_buffer = NULL;
	ha->optrom_state = QLA_SWAITING;
	bsg_job->job_done(bsg_job);
	return rval;
}

1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
static int
qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint8_t bsg[DMA_POOL_SIZE];
	struct qla_image_version_list *list = (void *)bsg;
	struct qla_image_version *image;
	uint32_t count;
	dma_addr_t sfp_dma;
	void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
	if (!sfp) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_NO_MEMORY;
		goto done;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, list, sizeof(bsg));

	image = list->version;
	count = list->count;
	while (count--) {
		memcpy(sfp, &image->field_info, sizeof(image->field_info));
		rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
		    image->field_address.device, image->field_address.offset,
		    sizeof(image->field_info), image->field_address.option);
		if (rval) {
			bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
			    EXT_STATUS_MAILBOX;
			goto dealloc;
		}
		image++;
	}

	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;

dealloc:
	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);

done:
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->result = DID_OK << 16;
	bsg_job->job_done(bsg_job);

	return 0;
}

static int
qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint8_t bsg[DMA_POOL_SIZE];
	struct qla_status_reg *sr = (void *)bsg;
	dma_addr_t sfp_dma;
	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
	if (!sfp) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_NO_MEMORY;
		goto done;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));

	rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
	    sr->field_address.device, sr->field_address.offset,
	    sizeof(sr->status_reg), sr->field_address.option);
	sr->status_reg = *sfp;

	if (rval) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_MAILBOX;
		goto dealloc;
	}

	sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
	    bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));

	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;

dealloc:
	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);

done:
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
	bsg_job->reply->result = DID_OK << 16;
	bsg_job->job_done(bsg_job);

	return 0;
}

static int
qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint8_t bsg[DMA_POOL_SIZE];
	struct qla_status_reg *sr = (void *)bsg;
	dma_addr_t sfp_dma;
	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
	if (!sfp) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_NO_MEMORY;
		goto done;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));

	*sfp = sr->status_reg;
	rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
	    sr->field_address.device, sr->field_address.offset,
	    sizeof(sr->status_reg), sr->field_address.option);

	if (rval) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_MAILBOX;
		goto dealloc;
	}

	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;

dealloc:
	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);

done:
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->result = DID_OK << 16;
	bsg_job->job_done(bsg_job);

	return 0;
}

1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708
static int
qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint8_t bsg[DMA_POOL_SIZE];
	struct qla_i2c_access *i2c = (void *)bsg;
	dma_addr_t sfp_dma;
	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
	if (!sfp) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_NO_MEMORY;
		goto done;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));

	memcpy(sfp, i2c->buffer, i2c->length);
	rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
	    i2c->device, i2c->offset, i2c->length, i2c->option);

	if (rval) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_MAILBOX;
		goto dealloc;
	}

	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;

dealloc:
	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);

done:
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->result = DID_OK << 16;
	bsg_job->job_done(bsg_job);

	return 0;
}

static int
qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = 0;
	uint8_t bsg[DMA_POOL_SIZE];
	struct qla_i2c_access *i2c = (void *)bsg;
	dma_addr_t sfp_dma;
	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
	if (!sfp) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_NO_MEMORY;
		goto done;
	}

	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));

	rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
		i2c->device, i2c->offset, i2c->length, i2c->option);

	if (rval) {
		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
		    EXT_STATUS_MAILBOX;
		goto dealloc;
	}

	memcpy(i2c->buffer, sfp, i2c->length);
	sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
	    bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));

	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;

dealloc:
	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);

done:
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
	bsg_job->reply->result = DID_OK << 16;
	bsg_job->job_done(bsg_job);

	return 0;
}

1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888
static int
qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	uint16_t thread_id;
	uint32_t rval = EXT_STATUS_OK;
	uint16_t req_sg_cnt = 0;
	uint16_t rsp_sg_cnt = 0;
	uint16_t nextlid = 0;
	uint32_t tot_dsds;
	srb_t *sp = NULL;
	uint32_t req_data_len = 0;
	uint32_t rsp_data_len = 0;

	/* Check the type of the adapter */
	if (!IS_BIDI_CAPABLE(ha)) {
		ql_log(ql_log_warn, vha, 0x70a0,
			"This adapter is not supported\n");
		rval = EXT_STATUS_NOT_SUPPORTED;
		goto done;
	}

	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
		test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
		test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
		rval =  EXT_STATUS_BUSY;
		goto done;
	}

	/* Check if host is online */
	if (!vha->flags.online) {
		ql_log(ql_log_warn, vha, 0x70a1,
			"Host is not online\n");
		rval = EXT_STATUS_DEVICE_OFFLINE;
		goto done;
	}

	/* Check if cable is plugged in or not */
	if (vha->device_flags & DFLG_NO_CABLE) {
		ql_log(ql_log_warn, vha, 0x70a2,
			"Cable is unplugged...\n");
		rval = EXT_STATUS_INVALID_CFG;
		goto done;
	}

	/* Check if the switch is connected or not */
	if (ha->current_topology != ISP_CFG_F) {
		ql_log(ql_log_warn, vha, 0x70a3,
			"Host is not connected to the switch\n");
		rval = EXT_STATUS_INVALID_CFG;
		goto done;
	}

	/* Check if operating mode is P2P */
	if (ha->operating_mode != P2P) {
		ql_log(ql_log_warn, vha, 0x70a4,
		    "Host is operating mode is not P2p\n");
		rval = EXT_STATUS_INVALID_CFG;
		goto done;
	}

	thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];

	mutex_lock(&ha->selflogin_lock);
	if (vha->self_login_loop_id == 0) {
		/* Initialize all required  fields of fcport */
		vha->bidir_fcport.vha = vha;
		vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
		vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
		vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
		vha->bidir_fcport.loop_id = vha->loop_id;

		if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
			ql_log(ql_log_warn, vha, 0x70a7,
			    "Failed to login port %06X for bidirectional IOCB\n",
			    vha->bidir_fcport.d_id.b24);
			mutex_unlock(&ha->selflogin_lock);
			rval = EXT_STATUS_MAILBOX;
			goto done;
		}
		vha->self_login_loop_id = nextlid - 1;

	}
	/* Assign the self login loop id to fcport */
	mutex_unlock(&ha->selflogin_lock);

	vha->bidir_fcport.loop_id = vha->self_login_loop_id;

	req_sg_cnt = dma_map_sg(&ha->pdev->dev,
		bsg_job->request_payload.sg_list,
		bsg_job->request_payload.sg_cnt,
		DMA_TO_DEVICE);

	if (!req_sg_cnt) {
		rval = EXT_STATUS_NO_MEMORY;
		goto done;
	}

	rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
		bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
		DMA_FROM_DEVICE);

	if (!rsp_sg_cnt) {
		rval = EXT_STATUS_NO_MEMORY;
		goto done_unmap_req_sg;
	}

	if ((req_sg_cnt !=  bsg_job->request_payload.sg_cnt) ||
		(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
		ql_dbg(ql_dbg_user, vha, 0x70a9,
		    "Dma mapping resulted in different sg counts "
		    "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
		    "%x dma_reply_sg_cnt: %x]\n",
		    bsg_job->request_payload.sg_cnt, req_sg_cnt,
		    bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
		rval = EXT_STATUS_NO_MEMORY;
		goto done_unmap_sg;
	}

	if (req_data_len != rsp_data_len) {
		rval = EXT_STATUS_BUSY;
		ql_log(ql_log_warn, vha, 0x70aa,
		    "req_data_len != rsp_data_len\n");
		goto done_unmap_sg;
	}

	req_data_len = bsg_job->request_payload.payload_len;
	rsp_data_len = bsg_job->reply_payload.payload_len;


	/* Alloc SRB structure */
	sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
	if (!sp) {
		ql_dbg(ql_dbg_user, vha, 0x70ac,
		    "Alloc SRB structure failed\n");
		rval = EXT_STATUS_NO_MEMORY;
		goto done_unmap_sg;
	}

	/*Populate srb->ctx with bidir ctx*/
	sp->u.bsg_job = bsg_job;
	sp->free = qla2x00_bsg_sp_free;
	sp->type = SRB_BIDI_CMD;
	sp->done = qla2x00_bsg_job_done;

	/* Add the read and write sg count */
	tot_dsds = rsp_sg_cnt + req_sg_cnt;

	rval = qla2x00_start_bidir(sp, vha, tot_dsds);
	if (rval != EXT_STATUS_OK)
		goto done_free_srb;
	/* the bsg request  will be completed in the interrupt handler */
	return rval;

done_free_srb:
	mempool_free(sp, ha->srb_mempool);
done_unmap_sg:
	dma_unmap_sg(&ha->pdev->dev,
	    bsg_job->reply_payload.sg_list,
	    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done_unmap_req_sg:
	dma_unmap_sg(&ha->pdev->dev,
	    bsg_job->request_payload.sg_list,
	    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
done:

	/* Return an error vendor specific response
	 * and complete the bsg request
	 */
	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
	bsg_job->reply->reply_payload_rcv_len = 0;
	bsg_job->reply->result = (DID_OK) << 16;
	bsg_job->job_done(bsg_job);
	/* Always retrun success, vendor rsp carries correct status */
	return 0;
}

1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
static int
qlafx00_mgmt_cmd(struct fc_bsg_job *bsg_job)
{
	struct Scsi_Host *host = bsg_job->shost;
	scsi_qla_host_t *vha = shost_priv(host);
	struct qla_hw_data *ha = vha->hw;
	int rval = (DRIVER_ERROR << 16);
	struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
	srb_t *sp;
	int req_sg_cnt = 0, rsp_sg_cnt = 0;
	struct fc_port *fcport;
	char  *type = "FC_BSG_HST_FX_MGMT";

	/* Copy the IOCB specific information */
	piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
	    &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];

	/* Dump the vendor information */
	ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
	    (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));

	if (!vha->flags.online) {
		ql_log(ql_log_warn, vha, 0x70d0,
		    "Host is not online.\n");
		rval = -EIO;
		goto done;
	}

	if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
		req_sg_cnt = dma_map_sg(&ha->pdev->dev,
		    bsg_job->request_payload.sg_list,
		    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
		if (!req_sg_cnt) {
			ql_log(ql_log_warn, vha, 0x70c7,
			    "dma_map_sg return %d for request\n", req_sg_cnt);
			rval = -ENOMEM;
			goto done;
		}
	}

	if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
		rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
		    bsg_job->reply_payload.sg_list,
		    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
		if (!rsp_sg_cnt) {
			ql_log(ql_log_warn, vha, 0x70c8,
			    "dma_map_sg return %d for reply\n", rsp_sg_cnt);
			rval = -ENOMEM;
			goto done_unmap_req_sg;
		}
	}

	ql_dbg(ql_dbg_user, vha, 0x70c9,
	    "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
	    "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
	    req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);

	/* Allocate a dummy fcport structure, since functions preparing the
	 * IOCB and mailbox command retrieves port specific information
	 * from fcport structure. For Host based ELS commands there will be
	 * no fcport structure allocated
	 */
	fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
	if (!fcport) {
		ql_log(ql_log_warn, vha, 0x70ca,
		    "Failed to allocate fcport.\n");
		rval = -ENOMEM;
		goto done_unmap_rsp_sg;
	}

	/* Alloc SRB structure */
	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp) {
		ql_log(ql_log_warn, vha, 0x70cb,
		    "qla2x00_get_sp failed.\n");
		rval = -ENOMEM;
		goto done_free_fcport;
	}

	/* Initialize all required  fields of fcport */
	fcport->vha = vha;
	fcport->loop_id = piocb_rqst->dataword;

	sp->type = SRB_FXIOCB_BCMD;
	sp->name = "bsg_fx_mgmt";
	sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
	sp->u.bsg_job = bsg_job;
	sp->free = qla2x00_bsg_sp_free;
	sp->done = qla2x00_bsg_job_done;

	ql_dbg(ql_dbg_user, vha, 0x70cc,
	    "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
	    type, piocb_rqst->func_type, fcport->loop_id);

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x70cd,
		    "qla2x00_start_sp failed=%d.\n", rval);
		mempool_free(sp, ha->srb_mempool);
		rval = -EIO;
		goto done_free_fcport;
	}
	return rval;

done_free_fcport:
	kfree(fcport);

done_unmap_rsp_sg:
	if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
		dma_unmap_sg(&ha->pdev->dev,
		    bsg_job->reply_payload.sg_list,
		    bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done_unmap_req_sg:
	if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
		dma_unmap_sg(&ha->pdev->dev,
		    bsg_job->request_payload.sg_list,
		    bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);

done:
	return rval;
}

2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
	switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
	case QL_VND_LOOPBACK:
		return qla2x00_process_loopback(bsg_job);

	case QL_VND_A84_RESET:
		return qla84xx_reset(bsg_job);

	case QL_VND_A84_UPDATE_FW:
		return qla84xx_updatefw(bsg_job);

	case QL_VND_A84_MGMT_CMD:
		return qla84xx_mgmt_cmd(bsg_job);

	case QL_VND_IIDMA:
		return qla24xx_iidma(bsg_job);

S
Sarang Radke 已提交
2030 2031 2032
	case QL_VND_FCP_PRIO_CFG_CMD:
		return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);

2033 2034 2035 2036 2037 2038
	case QL_VND_READ_FLASH:
		return qla2x00_read_optrom(bsg_job);

	case QL_VND_UPDATE_FLASH:
		return qla2x00_update_optrom(bsg_job);

2039 2040 2041 2042 2043 2044 2045 2046 2047
	case QL_VND_SET_FRU_VERSION:
		return qla2x00_update_fru_versions(bsg_job);

	case QL_VND_READ_FRU_STATUS:
		return qla2x00_read_fru_status(bsg_job);

	case QL_VND_WRITE_FRU_STATUS:
		return qla2x00_write_fru_status(bsg_job);

2048 2049 2050 2051 2052 2053
	case QL_VND_WRITE_I2C:
		return qla2x00_write_i2c(bsg_job);

	case QL_VND_READ_I2C:
		return qla2x00_read_i2c(bsg_job);

2054 2055 2056
	case QL_VND_DIAG_IO_CMD:
		return qla24xx_process_bidir_cmd(bsg_job);

2057 2058
	case QL_VND_FX00_MGMT_CMD:
		return qlafx00_mgmt_cmd(bsg_job);
2059 2060 2061 2062 2063 2064 2065 2066 2067
	default:
		return -ENOSYS;
	}
}

int
qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
{
	int ret = -EINVAL;
2068 2069 2070 2071 2072
	struct fc_rport *rport;
	fc_port_t *fcport = NULL;
	struct Scsi_Host *host;
	scsi_qla_host_t *vha;

2073 2074 2075
	/* In case no data transferred. */
	bsg_job->reply->reply_payload_rcv_len = 0;

2076 2077 2078 2079 2080 2081 2082 2083 2084 2085
	if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
		rport = bsg_job->rport;
		fcport = *(fc_port_t **) rport->dd_data;
		host = rport_to_shost(rport);
		vha = shost_priv(host);
	} else {
		host = bsg_job->shost;
		vha = shost_priv(host);
	}

2086 2087 2088 2089 2090 2091 2092
	if (qla2x00_reset_active(vha)) {
		ql_dbg(ql_dbg_user, vha, 0x709f,
		    "BSG: ISP abort active/needed -- cmd=%d.\n",
		    bsg_job->request->msgcode);
		return -EBUSY;
	}

2093
	ql_dbg(ql_dbg_user, vha, 0x7000,
2094
	    "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110

	switch (bsg_job->request->msgcode) {
	case FC_BSG_RPT_ELS:
	case FC_BSG_HST_ELS_NOLOGIN:
		ret = qla2x00_process_els(bsg_job);
		break;
	case FC_BSG_HST_CT:
		ret = qla2x00_process_ct(bsg_job);
		break;
	case FC_BSG_HST_VENDOR:
		ret = qla2x00_process_vendor_specific(bsg_job);
		break;
	case FC_BSG_HST_ADD_RPORT:
	case FC_BSG_HST_DEL_RPORT:
	case FC_BSG_RPT_CT:
	default:
2111
		ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
2112
		break;
2113
	}
2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133
	return ret;
}

int
qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
{
	scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
	struct qla_hw_data *ha = vha->hw;
	srb_t *sp;
	int cnt, que;
	unsigned long flags;
	struct req_que *req;

	/* find the bsg job from the active list of commands */
	spin_lock_irqsave(&ha->hardware_lock, flags);
	for (que = 0; que < ha->max_req_queues; que++) {
		req = ha->req_q_map[que];
		if (!req)
			continue;

2134
		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
2135 2136
			sp = req->outstanding_cmds[cnt];
			if (sp) {
2137
				if (((sp->type == SRB_CT_CMD) ||
2138 2139
					(sp->type == SRB_ELS_CMD_HST) ||
					(sp->type == SRB_FXIOCB_BCMD))
2140
					&& (sp->u.bsg_job == bsg_job)) {
2141
					req->outstanding_cmds[cnt] = NULL;
2142
					spin_unlock_irqrestore(&ha->hardware_lock, flags);
2143
					if (ha->isp_ops->abort_command(sp)) {
2144 2145 2146
						ql_log(ql_log_warn, vha, 0x7089,
						    "mbx abort_command "
						    "failed.\n");
2147 2148 2149
						bsg_job->req->errors =
						bsg_job->reply->result = -EIO;
					} else {
2150 2151 2152
						ql_dbg(ql_dbg_user, vha, 0x708a,
						    "mbx abort_command "
						    "success.\n");
2153 2154 2155
						bsg_job->req->errors =
						bsg_job->reply->result = 0;
					}
2156
					spin_lock_irqsave(&ha->hardware_lock, flags);
2157 2158 2159 2160 2161 2162
					goto done;
				}
			}
		}
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2163
	ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
2164 2165 2166 2167 2168
	bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
	return 0;

done:
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2169
	sp->free(vha, sp);
2170 2171
	return 0;
}