qla_init.c 236.8 KB
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/*
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 * QLogic Fibre Channel HBA Driver
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 * Copyright (c)  2003-2014 QLogic Corporation
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 *
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 * See LICENSE.qla2xxx for copyright and licensing details.
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 */
#include "qla_def.h"
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#include "qla_gbl.h"
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include "qla_devtbl.h"

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#ifdef CONFIG_SPARC
#include <asm/prom.h>
#endif

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#include "qla_target.h"

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/*
*  QLogic ISP2x00 Hardware Support Function Prototypes.
*/
static int qla2x00_isp_firmware(scsi_qla_host_t *);
static int qla2x00_setup_chip(scsi_qla_host_t *);
static int qla2x00_fw_ready(scsi_qla_host_t *);
static int qla2x00_configure_hba(scsi_qla_host_t *);
static int qla2x00_configure_loop(scsi_qla_host_t *);
static int qla2x00_configure_local_loop(scsi_qla_host_t *);
static int qla2x00_configure_fabric(scsi_qla_host_t *);
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static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
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static int qla2x00_restart_isp(scsi_qla_host_t *);

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static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
static int qla84xx_init_chip(scsi_qla_host_t *);
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static int qla25xx_init_queues(struct qla_hw_data *);
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static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
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static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
				      struct event_arg *ea);
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static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
    struct event_arg *);
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static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
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/* SRB Extensions ---------------------------------------------------------- */

47
void
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qla2x00_sp_timeout(struct timer_list *t)
49
{
50
	srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
51
	struct srb_iocb *iocb;
52

53
	WARN_ON(irqs_disabled());
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	iocb = &sp->u.iocb_cmd;
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	iocb->timeout(sp);
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}

58
void qla2x00_sp_free(srb_t *sp)
59
{
60
	struct srb_iocb *iocb = &sp->u.iocb_cmd;
61

62
	del_timer(&iocb->timer);
63
	qla2x00_rel_sp(sp);
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}

/* Asynchronous Login/Logout Routines -------------------------------------- */

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unsigned long
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qla2x00_get_async_timeout(struct scsi_qla_host *vha)
{
	unsigned long tmo;
	struct qla_hw_data *ha = vha->hw;

	/* Firmware should use switch negotiated r_a_tov for timeout. */
	tmo = ha->r_a_tov / 10 * 2;
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	if (IS_QLAFX00(ha)) {
		tmo = FX00_DEF_RATOV * 2;
	} else if (!IS_FWI2_CAPABLE(ha)) {
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		/*
		 * Except for earlier ISPs where the timeout is seeded from the
		 * initialization control block.
		 */
		tmo = ha->login_timeout;
	}
	return tmo;
}
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static void qla24xx_abort_iocb_timeout(void *data)
{
	srb_t *sp = data;
	struct srb_iocb *abt = &sp->u.iocb_cmd;
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	struct qla_qpair *qpair = sp->qpair;
	u32 handle;
	unsigned long flags;

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	if (sp->cmd_sp)
		ql_dbg(ql_dbg_async, sp->vha, 0x507c,
		    "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
		    sp->cmd_sp->handle, sp->cmd_sp->type,
		    sp->handle, sp->type);
	else
		ql_dbg(ql_dbg_async, sp->vha, 0x507c,
		    "Abort timeout 2 - hdl=%x, type=%x\n",
		    sp->handle, sp->type);

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	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
	for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
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		if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
		    sp->cmd_sp))
			qpair->req->outstanding_cmds[handle] = NULL;

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		/* removing the abort */
		if (qpair->req->outstanding_cmds[handle] == sp) {
			qpair->req->outstanding_cmds[handle] = NULL;
			break;
		}
	}
	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
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	if (sp->cmd_sp)
		sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);

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	abt->u.abt.comp_status = CS_TIMEOUT;
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	sp->done(sp, QLA_OS_TIMER_EXPIRED);
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}

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static void qla24xx_abort_sp_done(srb_t *sp, int res)
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{
	struct srb_iocb *abt = &sp->u.iocb_cmd;

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	del_timer(&sp->u.iocb_cmd.timer);
	if (sp->flags & SRB_WAKEUP_ON_COMP)
		complete(&abt->u.abt.comp);
	else
		sp->free(sp);
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}

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int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
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{
	scsi_qla_host_t *vha = cmd_sp->vha;
	struct srb_iocb *abt_iocb;
	srb_t *sp;
	int rval = QLA_FUNCTION_FAILED;

	sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
				  GFP_ATOMIC);
	if (!sp)
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		return rval;
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	abt_iocb = &sp->u.iocb_cmd;
	sp->type = SRB_ABT_CMD;
	sp->name = "abort";
	sp->qpair = cmd_sp->qpair;
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	sp->cmd_sp = cmd_sp;
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	if (wait)
		sp->flags = SRB_WAKEUP_ON_COMP;

	abt_iocb->timeout = qla24xx_abort_iocb_timeout;
	init_completion(&abt_iocb->u.abt.comp);
	/* FW can send 2 x ABTS's timeout/20s */
	qla2x00_init_timer(sp, 42);

	abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
	abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);

	sp->done = qla24xx_abort_sp_done;

	ql_dbg(ql_dbg_async, vha, 0x507c,
	       "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
	       cmd_sp->type);

	rval = qla2x00_start_sp(sp);
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	if (rval != QLA_SUCCESS) {
		sp->free(sp);
		return rval;
	}
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	if (wait) {
		wait_for_completion(&abt_iocb->u.abt.comp);
		rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
			QLA_SUCCESS : QLA_FUNCTION_FAILED;
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		sp->free(sp);
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	}

	return rval;
}

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void
189
qla2x00_async_iocb_timeout(void *data)
190
{
191
	srb_t *sp = data;
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	fc_port_t *fcport = sp->fcport;
193
	struct srb_iocb *lio = &sp->u.iocb_cmd;
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	int rc, h;
	unsigned long flags;
196

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	if (fcport) {
		ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
		    "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
		    sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);

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		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
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	} else {
		pr_info("Async-%s timeout - hdl=%x.\n",
		    sp->name, sp->handle);
	}
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	switch (sp->type) {
	case SRB_LOGIN_CMD:
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		rc = qla24xx_async_abort_cmd(sp, false);
		if (rc) {
			/* Retry as needed. */
			lio->u.logio.data[0] = MBS_COMMAND_ERROR;
			lio->u.logio.data[1] =
				lio->u.logio.flags & SRB_LOGIN_RETRIED ?
				QLA_LOGIO_LOGIN_RETRIED : 0;
			spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
			for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
			    h++) {
				if (sp->qpair->req->outstanding_cmds[h] ==
				    sp) {
					sp->qpair->req->outstanding_cmds[h] =
					    NULL;
					break;
				}
			}
			spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
			sp->done(sp, QLA_FUNCTION_TIMEOUT);
		}
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		break;
	case SRB_LOGOUT_CMD:
	case SRB_CT_PTHRU_CMD:
	case SRB_MB_IOCB:
	case SRB_NACK_PLOGI:
	case SRB_NACK_PRLI:
	case SRB_NACK_LOGO:
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	case SRB_CTRL_VP:
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	default:
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		rc = qla24xx_async_abort_cmd(sp, false);
		if (rc) {
			spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
			for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
			    h++) {
				if (sp->qpair->req->outstanding_cmds[h] ==
				    sp) {
					sp->qpair->req->outstanding_cmds[h] =
					    NULL;
					break;
				}
			}
			spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
			sp->done(sp, QLA_FUNCTION_TIMEOUT);
		}
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		break;
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	}
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}

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static void qla2x00_async_login_sp_done(srb_t *sp, int res)
259
{
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	struct scsi_qla_host *vha = sp->vha;
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	struct srb_iocb *lio = &sp->u.iocb_cmd;
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	struct event_arg ea;
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264
	ql_dbg(ql_dbg_disc, vha, 0x20dd,
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	    "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
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	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);

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	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
		memset(&ea, 0, sizeof(ea));
		ea.fcport = sp->fcport;
		ea.data[0] = lio->u.logio.data[0];
		ea.data[1] = lio->u.logio.data[1];
		ea.iop[0] = lio->u.logio.iop[0];
		ea.iop[1] = lio->u.logio.iop[1];
		ea.sp = sp;
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		qla24xx_handle_plogi_done_event(vha, &ea);
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	}
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280
	sp->free(sp);
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}

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static inline bool
fcport_is_smaller(fc_port_t *fcport)
{
	if (wwn_to_u64(fcport->port_name) <
	    wwn_to_u64(fcport->vha->port_name))
		return true;
	else
		return false;
}

static inline bool
fcport_is_bigger(fc_port_t *fcport)
{
	return !fcport_is_smaller(fcport);
}

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int
qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
    uint16_t *data)
{
	srb_t *sp;
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	struct srb_iocb *lio;
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	int rval = QLA_FUNCTION_FAILED;

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	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
	    fcport->loop_id == FC_NO_LOOP_ID) {
		ql_log(ql_log_warn, vha, 0xffff,
		    "%s: %8phC - not sending command.\n",
		    __func__, fcport->port_name);
		return rval;
	}
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	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
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	if (!sp)
		goto done;

319
	qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
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	fcport->flags |= FCF_ASYNC_SENT;
	fcport->logout_completed = 0;

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	sp->type = SRB_LOGIN_CMD;
	sp->name = "login";
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	sp->gen1 = fcport->rscn_gen;
	sp->gen2 = fcport->login_gen;
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	lio = &sp->u.iocb_cmd;
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	lio->timeout = qla2x00_async_iocb_timeout;
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	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

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	sp->done = qla2x00_async_login_sp_done;
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	if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
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		lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
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	else
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		lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
337

338
	if (NVME_TARGET(vha->hw, fcport))
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		lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
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	ql_dbg(ql_dbg_disc, vha, 0x2072,
	    "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
		"retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
	    fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
	    fcport->login_retry);

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	rval = qla2x00_start_sp(sp);
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	if (rval != QLA_SUCCESS) {
		fcport->flags |= FCF_LOGIN_NEEDED;
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
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		goto done_free_sp;
352
	}
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	return rval;

done_free_sp:
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	sp->free(sp);
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	fcport->flags &= ~FCF_ASYNC_SENT;
359
done:
360
	fcport->flags &= ~FCF_ASYNC_ACTIVE;
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	return rval;
}

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static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
365
{
366
	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
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	sp->fcport->login_gen++;
	qlt_logo_completion_handler(sp->fcport, res);
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	sp->free(sp);
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}

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int
qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	srb_t *sp;
376
	struct srb_iocb *lio;
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	int rval = QLA_FUNCTION_FAILED;

379
	fcport->flags |= FCF_ASYNC_SENT;
380
	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
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	if (!sp)
		goto done;

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	sp->type = SRB_LOGOUT_CMD;
	sp->name = "logout";

	lio = &sp->u.iocb_cmd;
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	lio->timeout = qla2x00_async_iocb_timeout;
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	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

391
	sp->done = qla2x00_async_logout_sp_done;
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393
	ql_dbg(ql_dbg_disc, vha, 0x2070,
394
	    "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
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	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
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		fcport->d_id.b.area, fcport->d_id.b.al_pa,
		fcport->port_name);
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	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;
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	return rval;

done_free_sp:
405
	sp->free(sp);
406
done:
407
	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
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	return rval;
}
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void
qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
    uint16_t *data)
{
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	fcport->flags &= ~FCF_ASYNC_ACTIVE;
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	/* Don't re-login in target mode */
	if (!fcport->tgt_session)
418
		qla2x00_mark_device_lost(vha, fcport, 1);
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	qlt_logo_completion_handler(fcport, data[0]);
}

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static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
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{
	struct srb_iocb *lio = &sp->u.iocb_cmd;
	struct scsi_qla_host *vha = sp->vha;

427
	sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
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	if (!test_bit(UNLOADING, &vha->dpc_flags))
		qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
		    lio->u.logio.data);
	sp->free(sp);
}

int
qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	srb_t *sp;
	struct srb_iocb *lio;
	int rval;

	rval = QLA_FUNCTION_FAILED;
	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;

	sp->type = SRB_PRLO_CMD;
	sp->name = "prlo";

	lio = &sp->u.iocb_cmd;
	lio->timeout = qla2x00_async_iocb_timeout;
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	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

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	sp->done = qla2x00_async_prlo_sp_done;

	ql_dbg(ql_dbg_disc, vha, 0x2070,
	    "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
	    sp->handle, 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)
		goto done_free_sp;

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	return rval;

done_free_sp:
	sp->free(sp);
done:
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	fcport->flags &= ~FCF_ASYNC_ACTIVE;
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	return rval;
}

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static
void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
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	struct fc_port *fcport = ea->fcport;

	ql_dbg(ql_dbg_disc, vha, 0x20d2,
	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
	    __func__, fcport->port_name, fcport->disc_state,
	    fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
	    fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);

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	WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
		  ea->data[0]);

487
	if (ea->data[0] != MBS_COMMAND_COMPLETE) {
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		ql_dbg(ql_dbg_disc, vha, 0x2066,
		    "%s %8phC: adisc fail: post delete\n",
		    __func__, ea->fcport->port_name);
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		/* deleted = 0 & logout_on_delete = force fw cleanup */
		fcport->deleted = 0;
		fcport->logout_on_delete = 1;
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		qlt_schedule_sess_for_deletion(ea->fcport);
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		return;
	}

	if (ea->fcport->disc_state == DSC_DELETE_PEND)
		return;

	if (ea->sp->gen2 != ea->fcport->login_gen) {
		/* target side must have changed it. */
		ql_dbg(ql_dbg_disc, vha, 0x20d3,
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		    "%s %8phC generation changed\n",
		    __func__, ea->fcport->port_name);
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		return;
	} else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
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		qla_rscn_replay(fcport);
509
		qlt_schedule_sess_for_deletion(fcport);
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		return;
	}

	__qla24xx_handle_gpdb_event(vha, ea);
514
}
515

516
static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
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{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;
	fcport->flags |= FCF_ASYNC_ACTIVE;
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	qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
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	return qla2x00_post_work(vha, e);
}

530
static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
531
{
532
	struct scsi_qla_host *vha = sp->vha;
533
	struct event_arg ea;
534
	struct srb_iocb *lio = &sp->u.iocb_cmd;
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	ql_dbg(ql_dbg_disc, vha, 0x2066,
	    "Async done-%s res %x %8phC\n",
	    sp->name, res, sp->fcport->port_name);

540
	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
541

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	memset(&ea, 0, sizeof(ea));
	ea.rc = res;
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	ea.data[0] = lio->u.logio.data[0];
	ea.data[1] = lio->u.logio.data[1];
	ea.iop[0] = lio->u.logio.iop[0];
	ea.iop[1] = lio->u.logio.iop[1];
548 549 550
	ea.fcport = sp->fcport;
	ea.sp = sp;

551
	qla24xx_handle_adisc_event(vha, &ea);
552

553
	sp->free(sp);
554 555 556 557 558 559 560
}

int
qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
    uint16_t *data)
{
	srb_t *sp;
561
	struct srb_iocb *lio;
562 563 564 565
	int rval = QLA_FUNCTION_FAILED;

	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
		return rval;
566

567
	fcport->flags |= FCF_ASYNC_SENT;
568
	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
569 570 571
	if (!sp)
		goto done;

572 573 574 575
	sp->type = SRB_ADISC_CMD;
	sp->name = "adisc";

	lio = &sp->u.iocb_cmd;
576
	lio->timeout = qla2x00_async_iocb_timeout;
577 578
	sp->gen1 = fcport->rscn_gen;
	sp->gen2 = fcport->login_gen;
579 580
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

581
	sp->done = qla2x00_async_adisc_sp_done;
582
	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
583
		lio->u.logio.flags |= SRB_LOGIN_RETRIED;
584

585
	ql_dbg(ql_dbg_disc, vha, 0x206f,
586 587
	    "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
	    sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
588 589 590 591 592

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;

593 594 595
	return rval;

done_free_sp:
596
	sp->free(sp);
597
done:
598
	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
599
	qla2x00_post_async_adisc_work(vha, fcport, data);
600 601 602
	return rval;
}

603 604 605 606 607 608 609 610 611 612 613
static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
{
	struct qla_hw_data *ha = vha->hw;

	if (IS_FWI2_CAPABLE(ha))
		return loop_id > NPH_LAST_HANDLE;

	return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
		loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
}

614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656
/**
 * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 * @vha: adapter state pointer.
 * @dev: port structure pointer.
 *
 * Returns:
 *	qla2x00 local function return status code.
 *
 * Context:
 *	Kernel context.
 */
static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
{
	int	rval;
	struct qla_hw_data *ha = vha->hw;
	unsigned long flags = 0;

	rval = QLA_SUCCESS;

	spin_lock_irqsave(&ha->vport_slock, flags);

	dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
	if (dev->loop_id >= LOOPID_MAP_SIZE ||
	    qla2x00_is_reserved_id(vha, dev->loop_id)) {
		dev->loop_id = FC_NO_LOOP_ID;
		rval = QLA_FUNCTION_FAILED;
	} else {
		set_bit(dev->loop_id, ha->loop_id_map);
	}
	spin_unlock_irqrestore(&ha->vport_slock, flags);

	if (rval == QLA_SUCCESS)
		ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
		       "Assigning new loopid=%x, portid=%x.\n",
		       dev->loop_id, dev->d_id.b24);
	else
		ql_log(ql_log_warn, dev->vha, 0x2087,
		       "No loop_id's available, portid=%x.\n",
		       dev->d_id.b24);

	return rval;
}

657 658 659 660 661 662 663 664 665 666 667 668
void qla2x00_clear_loop_id(fc_port_t *fcport)
{
	struct qla_hw_data *ha = fcport->vha->hw;

	if (fcport->loop_id == FC_NO_LOOP_ID ||
	    qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
		return;

	clear_bit(fcport->loop_id, ha->loop_id_map);
	fcport->loop_id = FC_NO_LOOP_ID;
}

669 670 671 672 673 674 675 676
static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
	struct event_arg *ea)
{
	fc_port_t *fcport, *conflict_fcport;
	struct get_name_list_extended *e;
	u16 i, n, found = 0, loop_id;
	port_id_t id;
	u64 wwn;
677
	u16 data[2];
678
	u8 current_login_state, nvme_cls;
679 680

	fcport = ea->fcport;
681 682 683 684 685 686
	ql_dbg(ql_dbg_disc, vha, 0xffff,
	    "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
	    __func__, fcport->port_name, fcport->disc_state,
	    fcport->fw_login_state, ea->rc,
	    fcport->login_gen, fcport->last_login_gen,
	    fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
687

688 689 690
	if (fcport->disc_state == DSC_DELETE_PEND)
		return;

691 692
	if (ea->rc) { /* rval */
		if (fcport->login_retry == 0) {
693 694 695
			ql_dbg(ql_dbg_disc, vha, 0x20de,
			    "GNL failed Port login retry %8phN, retry cnt=%d.\n",
			    fcport->port_name, fcport->login_retry);
696 697 698 699 700
		}
		return;
	}

	if (fcport->last_rscn_gen != fcport->rscn_gen) {
701
		qla_rscn_replay(fcport);
702
		qlt_schedule_sess_for_deletion(fcport);
703 704
		return;
	} else if (fcport->last_login_gen != fcport->login_gen) {
705
		ql_dbg(ql_dbg_disc, vha, 0x20e0,
706 707
		    "%s %8phC login gen changed\n",
		    __func__, fcport->port_name);
708 709 710 711 712
		return;
	}

	n = ea->data[0] / sizeof(struct get_name_list_extended);

713
	ql_dbg(ql_dbg_disc, vha, 0x20e1,
714 715 716 717 718 719 720 721
	    "%s %d %8phC n %d %02x%02x%02x lid %d \n",
	    __func__, __LINE__, fcport->port_name, n,
	    fcport->d_id.b.domain, fcport->d_id.b.area,
	    fcport->d_id.b.al_pa, fcport->loop_id);

	for (i = 0; i < n; i++) {
		e = &vha->gnl.l[i];
		wwn = wwn_to_u64(e->port_name);
722 723 724 725
		id.b.domain = e->port_id[2];
		id.b.area = e->port_id[1];
		id.b.al_pa = e->port_id[0];
		id.b.rsvd_1 = 0;
726 727 728 729

		if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
			continue;

730 731 732
		if (IS_SW_RESV_ADDR(id))
			continue;

733 734 735 736
		found = 1;

		loop_id = le16_to_cpu(e->nport_handle);
		loop_id = (loop_id & 0x7fff);
737 738 739 740 741 742 743 744 745 746 747
		nvme_cls = e->current_login_state >> 4;
		current_login_state = e->current_login_state & 0xf;

		if (PRLI_PHASE(nvme_cls)) {
			current_login_state = nvme_cls;
			fcport->fc4_type &= ~FS_FC4TYPE_FCP;
			fcport->fc4_type |= FS_FC4TYPE_NVME;
		} else if (PRLI_PHASE(current_login_state)) {
			fcport->fc4_type |= FS_FC4TYPE_FCP;
			fcport->fc4_type &= ~FS_FC4TYPE_NVME;
		}
748

749
		ql_dbg(ql_dbg_disc, vha, 0x20e2,
750
		    "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
751 752
		    __func__, fcport->port_name,
		    e->current_login_state, fcport->fw_login_state,
753 754
		    fcport->fc4_type, id.b24, fcport->d_id.b24,
		    loop_id, fcport->loop_id);
755

756 757 758 759 760
		switch (fcport->disc_state) {
		case DSC_DELETE_PEND:
		case DSC_DELETED:
			break;
		default:
761
			if ((id.b24 != fcport->d_id.b24 &&
762 763
			    fcport->d_id.b24 &&
			    fcport->loop_id != FC_NO_LOOP_ID) ||
764 765 766 767 768
			    (fcport->loop_id != FC_NO_LOOP_ID &&
				fcport->loop_id != loop_id)) {
				ql_dbg(ql_dbg_disc, vha, 0x20e3,
				    "%s %d %8phC post del sess\n",
				    __func__, __LINE__, fcport->port_name);
769 770
				if (fcport->n2n_flag)
					fcport->d_id.b24 = 0;
771 772 773 774
				qlt_schedule_sess_for_deletion(fcport);
				return;
			}
			break;
775 776 777
		}

		fcport->loop_id = loop_id;
778 779
		if (fcport->n2n_flag)
			fcport->d_id.b24 = id.b24;
780 781 782 783 784 785 786 787 788 789 790 791 792 793 794

		wwn = wwn_to_u64(fcport->port_name);
		qlt_find_sess_invalidate_other(vha, wwn,
			id, loop_id, &conflict_fcport);

		if (conflict_fcport) {
			/*
			 * Another share fcport share the same loop_id &
			 * nport id. Conflict fcport needs to finish
			 * cleanup before this fcport can proceed to login.
			 */
			conflict_fcport->conflict = fcport;
			fcport->login_pause = 1;
		}

795 796 797 798 799 800 801
		switch (vha->hw->current_topology) {
		default:
			switch (current_login_state) {
			case DSC_LS_PRLI_COMP:
				ql_dbg(ql_dbg_disc + ql_dbg_verbose,
				    vha, 0x20e4, "%s %d %8phC post gpdb\n",
				    __func__, __LINE__, fcport->port_name);
802

803 804 805 806 807 808 809 810 811 812
				if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
					fcport->port_type = FCT_INITIATOR;
				else
					fcport->port_type = FCT_TARGET;
				data[0] = data[1] = 0;
				qla2x00_post_async_adisc_work(vha, fcport,
				    data);
				break;
			case DSC_LS_PORT_UNAVAIL:
			default:
813 814 815 816 817 818 819 820
				if (fcport->loop_id == FC_NO_LOOP_ID) {
					qla2x00_find_new_loop_id(vha, fcport);
					fcport->fw_login_state =
					    DSC_LS_PORT_UNAVAIL;
				}
				ql_dbg(ql_dbg_disc, vha, 0x20e5,
				    "%s %d %8phC\n", __func__, __LINE__,
				    fcport->port_name);
821 822
				qla24xx_fcport_handle_login(vha, fcport);
				break;
823 824
			}
			break;
825
		case ISP_CFG_N:
826 827
			fcport->fw_login_state = current_login_state;
			fcport->d_id = id;
828
			switch (current_login_state) {
829 830 831 832 833 834 835
			case DSC_LS_PRLI_PEND:
				/*
				 * In the middle of PRLI. Let it finish.
				 * Allow relogin code to recheck state again
				 * with GNL. Push disc_state back to DELETED
				 * so GNL can go out again
				 */
836 837
				qla2x00_set_fcport_disc_state(fcport,
				    DSC_DELETED);
838
				break;
839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859
			case DSC_LS_PRLI_COMP:
				if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
					fcport->port_type = FCT_INITIATOR;
				else
					fcport->port_type = FCT_TARGET;

				data[0] = data[1] = 0;
				qla2x00_post_async_adisc_work(vha, fcport,
				    data);
				break;
			case DSC_LS_PLOGI_COMP:
				if (fcport_is_bigger(fcport)) {
					/* local adapter is smaller */
					if (fcport->loop_id != FC_NO_LOOP_ID)
						qla2x00_clear_loop_id(fcport);

					fcport->loop_id = loop_id;
					qla24xx_fcport_handle_login(vha,
					    fcport);
					break;
				}
860
				/* fall through */
861 862 863 864 865 866 867 868 869 870 871 872 873 874
			default:
				if (fcport_is_smaller(fcport)) {
					/* local adapter is bigger */
					if (fcport->loop_id != FC_NO_LOOP_ID)
						qla2x00_clear_loop_id(fcport);

					fcport->loop_id = loop_id;
					qla24xx_fcport_handle_login(vha,
					    fcport);
				}
				break;
			}
			break;
		} /* switch (ha->current_topology) */
875 876 877
	}

	if (!found) {
878 879 880 881 882 883 884 885 886 887 888 889 890 891 892
		switch (vha->hw->current_topology) {
		case ISP_CFG_F:
		case ISP_CFG_FL:
			for (i = 0; i < n; i++) {
				e = &vha->gnl.l[i];
				id.b.domain = e->port_id[0];
				id.b.area = e->port_id[1];
				id.b.al_pa = e->port_id[2];
				id.b.rsvd_1 = 0;
				loop_id = le16_to_cpu(e->nport_handle);

				if (fcport->d_id.b24 == id.b24) {
					conflict_fcport =
					    qla2x00_find_fcport_by_wwpn(vha,
						e->port_name, 0);
893 894 895 896 897 898 899 900 901
					if (conflict_fcport) {
						ql_dbg(ql_dbg_disc + ql_dbg_verbose,
						    vha, 0x20e5,
						    "%s %d %8phC post del sess\n",
						    __func__, __LINE__,
						    conflict_fcport->port_name);
						qlt_schedule_sess_for_deletion
							(conflict_fcport);
					}
902
				}
903 904 905 906 907 908
				/*
				 * FW already picked this loop id for
				 * another fcport
				 */
				if (fcport->loop_id == loop_id)
					fcport->loop_id = FC_NO_LOOP_ID;
909
			}
910 911 912
			qla24xx_fcport_handle_login(vha, fcport);
			break;
		case ISP_CFG_N:
913
			qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945
			if (time_after_eq(jiffies, fcport->dm_login_expire)) {
				if (fcport->n2n_link_reset_cnt < 2) {
					fcport->n2n_link_reset_cnt++;
					/*
					 * remote port is not sending PLOGI.
					 * Reset link to kick start his state
					 * machine
					 */
					set_bit(N2N_LINK_RESET,
					    &vha->dpc_flags);
				} else {
					if (fcport->n2n_chip_reset < 1) {
						ql_log(ql_log_info, vha, 0x705d,
						    "Chip reset to bring laser down");
						set_bit(ISP_ABORT_NEEDED,
						    &vha->dpc_flags);
						fcport->n2n_chip_reset++;
					} else {
						ql_log(ql_log_info, vha, 0x705d,
						    "Remote port %8ph is not coming back\n",
						    fcport->port_name);
						fcport->scan_state = 0;
					}
				}
				qla2xxx_wake_dpc(vha);
			} else {
				/*
				 * report port suppose to do PLOGI. Give him
				 * more time. FW will catch it.
				 */
				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
			}
946 947 948
			break;
		default:
			break;
949 950 951 952
		}
	}
} /* gnl_event */

953
static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
954
{
955
	struct scsi_qla_host *vha = sp->vha;
956 957 958 959 960 961 962
	unsigned long flags;
	struct fc_port *fcport = NULL, *tf;
	u16 i, n = 0, loop_id;
	struct event_arg ea;
	struct get_name_list_extended *e;
	u64 wwn;
	struct list_head h;
963
	bool found = false;
964

965
	ql_dbg(ql_dbg_disc, vha, 0x20e7,
966 967 968 969
	    "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
	    sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
	    sp->u.iocb_cmd.u.mbx.in_mb[2]);

970 971 972
	if (res == QLA_FUNCTION_TIMEOUT)
		return;

973
	sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
	memset(&ea, 0, sizeof(ea));
	ea.sp = sp;
	ea.rc = res;

	if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
	    sizeof(struct get_name_list_extended)) {
		n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
		    sizeof(struct get_name_list_extended);
		ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
	}

	for (i = 0; i < n; i++) {
		e = &vha->gnl.l[i];
		loop_id = le16_to_cpu(e->nport_handle);
		/* mask out reserve bit */
		loop_id = (loop_id & 0x7fff);
		set_bit(loop_id, vha->hw->loop_id_map);
		wwn = wwn_to_u64(e->port_name);

993
		ql_dbg(ql_dbg_disc, vha, 0x20e8,
994
		    "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
995 996 997 998 999
		    __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
		    e->port_id[0], e->current_login_state, e->last_login_state,
		    (loop_id & 0x7fff));
	}

1000
	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1001 1002 1003 1004 1005

	INIT_LIST_HEAD(&h);
	fcport = tf = NULL;
	if (!list_empty(&vha->gnl.fcports))
		list_splice_init(&vha->gnl.fcports, &h);
1006
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1007 1008 1009

	list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
		list_del_init(&fcport->gnl_entry);
1010
		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1011
		fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1012
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1013 1014
		ea.fcport = fcport;

1015
		qla24xx_handle_gnl_done_event(vha, &ea);
1016 1017
	}

1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
	/* create new fcport if fw has knowledge of new sessions */
	for (i = 0; i < n; i++) {
		port_id_t id;
		u64 wwnn;

		e = &vha->gnl.l[i];
		wwn = wwn_to_u64(e->port_name);

		found = false;
		list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
			if (!memcmp((u8 *)&wwn, fcport->port_name,
			    WWN_SIZE)) {
				found = true;
				break;
			}
		}

1035
		id.b.domain = e->port_id[2];
1036
		id.b.area = e->port_id[1];
1037
		id.b.al_pa = e->port_id[0];
1038 1039 1040 1041
		id.b.rsvd_1 = 0;

		if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
			ql_dbg(ql_dbg_disc, vha, 0x2065,
1042 1043
			    "%s %d %8phC %06x post new sess\n",
			    __func__, __LINE__, (u8 *)&wwn, id.b24);
1044 1045
			wwnn = wwn_to_u64(e->node_name);
			qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1046
			    (u8 *)&wwnn, NULL, 0);
1047 1048 1049
		}
	}

1050 1051
	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
	vha->gnl.sent = 0;
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061
	if (!list_empty(&vha->gnl.fcports)) {
		/* retrigger gnl */
		list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
		    gnl_entry) {
			list_del_init(&fcport->gnl_entry);
			fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
			if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
				break;
		}
	}
1062 1063
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

1064
	sp->free(sp);
1065 1066 1067 1068 1069 1070 1071 1072 1073 1074
}

int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	srb_t *sp;
	struct srb_iocb *mbx;
	int rval = QLA_FUNCTION_FAILED;
	unsigned long flags;
	u16 *mb;

1075 1076
	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
		return rval;
1077

1078
	ql_dbg(ql_dbg_disc, vha, 0x20d9,
1079 1080
	    "Async-gnlist WWPN %8phC \n", fcport->port_name);

1081 1082
	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
	fcport->flags |= FCF_ASYNC_SENT;
1083
	qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1084 1085 1086 1087
	fcport->last_rscn_gen = fcport->rscn_gen;
	fcport->last_login_gen = fcport->login_gen;

	list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1088 1089 1090 1091 1092 1093
	if (vha->gnl.sent) {
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
		return QLA_SUCCESS;
	}
	vha->gnl.sent = 1;
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1094 1095 1096 1097

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;
1098

1099 1100 1101 1102 1103
	sp->type = SRB_MB_IOCB;
	sp->name = "gnlist";
	sp->gen1 = fcport->rscn_gen;
	sp->gen2 = fcport->login_gen;

1104 1105
	mbx = &sp->u.iocb_cmd;
	mbx->timeout = qla2x00_async_iocb_timeout;
1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);

	mb = sp->u.iocb_cmd.u.mbx.out_mb;
	mb[0] = MBC_PORT_NODE_NAME_LIST;
	mb[1] = BIT_2 | BIT_3;
	mb[2] = MSW(vha->gnl.ldma);
	mb[3] = LSW(vha->gnl.ldma);
	mb[6] = MSW(MSD(vha->gnl.ldma));
	mb[7] = LSW(MSD(vha->gnl.ldma));
	mb[8] = vha->gnl.size;
	mb[9] = vha->vp_idx;

	sp->done = qla24xx_async_gnl_sp_done;

1120 1121 1122
	ql_dbg(ql_dbg_disc, vha, 0x20da,
	    "Async-%s - OUT WWPN %8phC hndl %x\n",
	    sp->name, fcport->port_name, sp->handle);
1123

1124 1125 1126 1127
	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;

1128 1129 1130
	return rval;

done_free_sp:
1131
	sp->free(sp);
1132
done:
1133
	fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
	return rval;
}

int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;
1146
	fcport->flags |= FCF_ASYNC_ACTIVE;
1147 1148 1149
	return qla2x00_post_work(vha, e);
}

1150
static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1151
{
1152
	struct scsi_qla_host *vha = sp->vha;
1153 1154 1155 1156 1157
	struct qla_hw_data *ha = vha->hw;
	fc_port_t *fcport = sp->fcport;
	u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
	struct event_arg ea;

1158
	ql_dbg(ql_dbg_disc, vha, 0x20db,
1159 1160 1161
	    "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
	    sp->name, res, fcport->port_name, mb[1], mb[2]);

1162
	fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1163 1164 1165 1166

	if (res == QLA_FUNCTION_TIMEOUT)
		goto done;

1167 1168 1169 1170
	memset(&ea, 0, sizeof(ea));
	ea.fcport = fcport;
	ea.sp = sp;

1171
	qla24xx_handle_gpdb_event(vha, &ea);
1172

1173
done:
1174 1175 1176
	dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
		sp->u.iocb_cmd.u.mbx.in_dma);

1177
	sp->free(sp);
1178 1179
}

1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192
static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;

	return qla2x00_post_work(vha, e);
}

1193
static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
{
	struct scsi_qla_host *vha = sp->vha;
	struct srb_iocb *lio = &sp->u.iocb_cmd;
	struct event_arg ea;

	ql_dbg(ql_dbg_disc, vha, 0x2129,
	    "%s %8phC res %d \n", __func__,
	    sp->fcport->port_name, res);

	sp->fcport->flags &= ~FCF_ASYNC_SENT;

	if (!test_bit(UNLOADING, &vha->dpc_flags)) {
		memset(&ea, 0, sizeof(ea));
		ea.fcport = sp->fcport;
		ea.data[0] = lio->u.logio.data[0];
		ea.data[1] = lio->u.logio.data[1];
		ea.iop[0] = lio->u.logio.iop[0];
		ea.iop[1] = lio->u.logio.iop[1];
		ea.sp = sp;

1214
		qla24xx_handle_prli_done_event(vha, &ea);
1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
	}

	sp->free(sp);
}

int
qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	srb_t *sp;
	struct srb_iocb *lio;
	int rval = QLA_FUNCTION_FAILED;

1227 1228 1229
	if (!vha->flags.online) {
		ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
		    __func__, __LINE__, fcport->port_name);
1230
		return rval;
1231
	}
1232

1233 1234 1235 1236 1237
	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
	    fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
	    qla_dual_mode_enabled(vha)) {
		ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
		    __func__, __LINE__, fcport->port_name);
1238
		return rval;
1239
	}
1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		return rval;

	fcport->flags |= FCF_ASYNC_SENT;
	fcport->logout_completed = 0;

	sp->type = SRB_PRLI_CMD;
	sp->name = "prli";

	lio = &sp->u.iocb_cmd;
	lio->timeout = qla2x00_async_iocb_timeout;
1253 1254
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

1255 1256 1257
	sp->done = qla2x00_async_prli_sp_done;
	lio->u.logio.flags = 0;

1258
	if (NVME_TARGET(vha->hw, fcport))
1259 1260
		lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;

1261 1262 1263
	ql_dbg(ql_dbg_disc, vha, 0x211b,
	    "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
	    fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1264
	    fcport->login_retry, NVME_TARGET(vha->hw, fcport) ? "nvme" : "fc");
1265

1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
		fcport->flags |= FCF_LOGIN_NEEDED;
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		goto done_free_sp;
	}

	return rval;

done_free_sp:
	sp->free(sp);
	fcport->flags &= ~FCF_ASYNC_SENT;
	return rval;
}

1281
int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1282 1283 1284 1285 1286 1287 1288 1289 1290
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;
	e->u.fcport.opt = opt;
1291
	fcport->flags |= FCF_ASYNC_ACTIVE;
1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304
	return qla2x00_post_work(vha, e);
}

int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
{
	srb_t *sp;
	struct srb_iocb *mbx;
	int rval = QLA_FUNCTION_FAILED;
	u16 *mb;
	dma_addr_t pd_dma;
	struct port_database_24xx *pd;
	struct qla_hw_data *ha = vha->hw;

1305 1306 1307 1308 1309
	if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
	    fcport->loop_id == FC_NO_LOOP_ID) {
		ql_log(ql_log_warn, vha, 0xffff,
		    "%s: %8phC - not sending command.\n",
		    __func__, fcport->port_name);
1310
		return rval;
1311
	}
1312 1313 1314 1315 1316

	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
	if (!sp)
		goto done;

1317 1318
	qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);

1319
	fcport->flags |= FCF_ASYNC_SENT;
1320 1321 1322 1323
	sp->type = SRB_MB_IOCB;
	sp->name = "gpdb";
	sp->gen1 = fcport->rscn_gen;
	sp->gen2 = fcport->login_gen;
1324 1325 1326

	mbx = &sp->u.iocb_cmd;
	mbx->timeout = qla2x00_async_iocb_timeout;
1327 1328
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);

1329
	pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1330
	if (pd == NULL) {
1331 1332
		ql_log(ql_log_warn, vha, 0xd043,
		    "Failed to allocate port database structure.\n");
1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
		goto done_free_sp;
	}

	mb = sp->u.iocb_cmd.u.mbx.out_mb;
	mb[0] = MBC_GET_PORT_DATABASE;
	mb[1] = fcport->loop_id;
	mb[2] = MSW(pd_dma);
	mb[3] = LSW(pd_dma);
	mb[6] = MSW(MSD(pd_dma));
	mb[7] = LSW(MSD(pd_dma));
	mb[9] = vha->vp_idx;
	mb[10] = opt;

	mbx->u.mbx.in = (void *)pd;
	mbx->u.mbx.in_dma = pd_dma;

	sp->done = qla24xx_async_gpdb_sp_done;

1351 1352 1353
	ql_dbg(ql_dbg_disc, vha, 0x20dc,
	    "Async-%s %8phC hndl %x opt %x\n",
	    sp->name, fcport->port_name, sp->handle, opt);
1354

1355 1356 1357
	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;
1358 1359 1360 1361 1362 1363
	return rval;

done_free_sp:
	if (pd)
		dma_pool_free(ha->s_dma_pool, pd, pd_dma);

1364
	sp->free(sp);
1365
	fcport->flags &= ~FCF_ASYNC_SENT;
1366
done:
1367
	fcport->flags &= ~FCF_ASYNC_ACTIVE;
1368
	qla24xx_post_gpdb_work(vha, fcport, opt);
1369 1370 1371
	return rval;
}

1372
static
1373
void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1374 1375 1376 1377
{
	unsigned long flags;

	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1378
	ea->fcport->login_gen++;
1379 1380 1381 1382 1383 1384 1385
	ea->fcport->deleted = 0;
	ea->fcport->logout_on_delete = 1;

	if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
		vha->fcport_count++;
		ea->fcport->login_succ = 1;

1386
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1387
		qla24xx_sched_upd_fcport(ea->fcport);
1388
		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1389 1390 1391 1392
	} else if (ea->fcport->login_succ) {
		/*
		 * We have an existing session. A late RSCN delivery
		 * must have triggered the session to be re-validate.
1393
		 * Session is still valid.
1394
		 */
1395 1396
		ql_dbg(ql_dbg_disc, vha, 0x20d6,
		    "%s %d %8phC session revalidate success\n",
1397
		    __func__, __LINE__, ea->fcport->port_name);
1398
		qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1399 1400
	}
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1401 1402 1403 1404 1405 1406 1407 1408
}

static
void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
{
	fc_port_t *fcport = ea->fcport;
	struct port_database_24xx *pd;
	struct srb *sp = ea->sp;
1409
	uint8_t	ls;
1410 1411 1412 1413 1414 1415

	pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;

	fcport->flags &= ~FCF_ASYNC_SENT;

	ql_dbg(ql_dbg_disc, vha, 0x20d2,
1416 1417 1418
	    "%s %8phC DS %d LS %d fc4_type %x rc %d\n", __func__,
	    fcport->port_name, fcport->disc_state, pd->current_login_state,
	    fcport->fc4_type, ea->rc);
1419 1420 1421

	if (fcport->disc_state == DSC_DELETE_PEND)
		return;
1422

1423
	if (NVME_TARGET(vha->hw, fcport))
1424 1425 1426 1427
		ls = pd->current_login_state >> 4;
	else
		ls = pd->current_login_state & 0xf;

1428 1429 1430 1431 1432 1433 1434 1435 1436
	if (ea->sp->gen2 != fcport->login_gen) {
		/* target side must have changed it. */

		ql_dbg(ql_dbg_disc, vha, 0x20d3,
		    "%s %8phC generation changed\n",
		    __func__, fcport->port_name);
		return;
	} else if (ea->sp->gen1 != fcport->rscn_gen) {
		qla_rscn_replay(fcport);
1437
		qlt_schedule_sess_for_deletion(fcport);
1438 1439 1440
		return;
	}

1441
	switch (ls) {
1442 1443 1444 1445 1446 1447 1448
	case PDS_PRLI_COMPLETE:
		__qla24xx_parse_gpdb(vha, fcport, pd);
		break;
	case PDS_PLOGI_PENDING:
	case PDS_PLOGI_COMPLETE:
	case PDS_PRLI_PENDING:
	case PDS_PRLI2_PENDING:
1449 1450 1451
		/* Set discovery state back to GNL to Relogin attempt */
		if (qla_dual_mode_enabled(vha) ||
		    qla_ini_mode_enabled(vha)) {
1452
			qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1453 1454
			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		}
1455 1456 1457 1458 1459 1460
		return;
	case PDS_LOGO_PENDING:
	case PDS_PORT_UNAVAILABLE:
	default:
		ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
		    __func__, __LINE__, fcport->port_name);
1461
		qlt_schedule_sess_for_deletion(fcport);
1462 1463 1464 1465
		return;
	}
	__qla24xx_handle_gpdb_event(vha, ea);
} /* gpdb event */
1466 1467 1468 1469

static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	u8 login = 0;
1470
	int rc;
1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494

	if (qla_tgt_mode_enabled(vha))
		return;

	if (qla_dual_mode_enabled(vha)) {
		if (N2N_TOPO(vha->hw)) {
			u64 mywwn, wwn;

			mywwn = wwn_to_u64(vha->port_name);
			wwn = wwn_to_u64(fcport->port_name);
			if (mywwn > wwn)
				login = 1;
			else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
			    && time_after_eq(jiffies,
				    fcport->plogi_nack_done_deadline))
				login = 1;
		} else {
			login = 1;
		}
	} else {
		/* initiator mode */
		login = 1;
	}

1495 1496
	if (login && fcport->login_retry) {
		fcport->login_retry--;
1497 1498 1499 1500 1501 1502 1503 1504
		if (fcport->loop_id == FC_NO_LOOP_ID) {
			fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
			rc = qla2x00_find_new_loop_id(vha, fcport);
			if (rc) {
				ql_dbg(ql_dbg_disc, vha, 0x20e6,
				    "%s %d %8phC post del sess - out of loopid\n",
				    __func__, __LINE__, fcport->port_name);
				fcport->scan_state = 0;
1505
				qlt_schedule_sess_for_deletion(fcport);
1506 1507 1508
				return;
			}
		}
1509 1510 1511 1512 1513 1514 1515
		ql_dbg(ql_dbg_disc, vha, 0x20bf,
		    "%s %d %8phC post login\n",
		    __func__, __LINE__, fcport->port_name);
		qla2x00_post_async_login_work(vha, fcport, NULL);
	}
}

1516 1517
int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
{
1518
	u16 data[2];
1519
	u64 wwn;
1520
	u16 sec;
1521

1522
	ql_dbg(ql_dbg_disc, vha, 0x20d8,
1523
	    "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1524 1525 1526
	    __func__, fcport->port_name, fcport->disc_state,
	    fcport->fw_login_state, fcport->login_pause, fcport->flags,
	    fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1527
	    fcport->login_gen, fcport->loop_id, fcport->scan_state);
1528

1529 1530
	if (fcport->scan_state != QLA_FCPORT_FOUND)
		return 0;
1531

1532
	if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1533
	    qla_dual_mode_enabled(vha) &&
1534 1535
	    ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
	     (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1536 1537
		return 0;

1538 1539
	if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
	    !N2N_TOPO(vha->hw)) {
1540 1541
		if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1542
			return 0;
1543
		}
1544 1545
	}

1546 1547
	/* Target won't initiate port login if fabric is present */
	if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1548 1549 1550 1551 1552 1553 1554 1555 1556
		return 0;

	if (fcport->flags & FCF_ASYNC_SENT) {
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		return 0;
	}

	switch (fcport->disc_state) {
	case DSC_DELETED:
1557
		wwn = wwn_to_u64(fcport->node_name);
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
		switch (vha->hw->current_topology) {
		case ISP_CFG_N:
			if (fcport_is_smaller(fcport)) {
				/* this adapter is bigger */
				if (fcport->login_retry) {
					if (fcport->loop_id == FC_NO_LOOP_ID) {
						qla2x00_find_new_loop_id(vha,
						    fcport);
						fcport->fw_login_state =
						    DSC_LS_PORT_UNAVAIL;
					}
					fcport->login_retry--;
					qla_post_els_plogi_work(vha, fcport);
				} else {
					ql_log(ql_log_info, vha, 0x705d,
					    "Unable to reach remote port %8phC",
					    fcport->port_name);
				}
			} else {
				qla24xx_post_gnl_work(vha, fcport);
			}
			break;
		default:
			if (wwn == 0)    {
				ql_dbg(ql_dbg_disc, vha, 0xffff,
				    "%s %d %8phC post GNNID\n",
				    __func__, __LINE__, fcport->port_name);
				qla24xx_post_gnnid_work(vha, fcport);
			} else if (fcport->loop_id == FC_NO_LOOP_ID) {
				ql_dbg(ql_dbg_disc, vha, 0x20bd,
				    "%s %d %8phC post gnl\n",
				    __func__, __LINE__, fcport->port_name);
				qla24xx_post_gnl_work(vha, fcport);
			} else {
				qla_chk_n2n_b4_login(vha, fcport);
			}
			break;
1595 1596 1597 1598
		}
		break;

	case DSC_GNL:
1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609
		switch (vha->hw->current_topology) {
		case ISP_CFG_N:
			if ((fcport->current_login_state & 0xf) == 0x6) {
				ql_dbg(ql_dbg_disc, vha, 0x2118,
				    "%s %d %8phC post GPDB work\n",
				    __func__, __LINE__, fcport->port_name);
				fcport->chip_reset =
					vha->hw->base_qpair->chip_reset;
				qla24xx_post_gpdb_work(vha, fcport, 0);
			}  else {
				ql_dbg(ql_dbg_disc, vha, 0x2118,
1610 1611
				    "%s %d %8phC post %s PRLI\n",
				    __func__, __LINE__, fcport->port_name,
1612 1613
				    NVME_TARGET(vha->hw, fcport) ? "NVME" :
				    "FC");
1614 1615 1616 1617 1618
				qla24xx_post_prli_work(vha, fcport);
			}
			break;
		default:
			if (fcport->login_pause) {
1619 1620 1621 1622
				ql_dbg(ql_dbg_disc, vha, 0x20d8,
				    "%s %d %8phC exit\n",
				    __func__, __LINE__,
				    fcport->port_name);
1623 1624 1625 1626 1627 1628
				fcport->last_rscn_gen = fcport->rscn_gen;
				fcport->last_login_gen = fcport->login_gen;
				set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
				break;
			}
			qla_chk_n2n_b4_login(vha, fcport);
1629 1630 1631 1632 1633
			break;
		}
		break;

	case DSC_LOGIN_FAILED:
1634 1635 1636
		if (N2N_TOPO(vha->hw))
			qla_chk_n2n_b4_login(vha, fcport);
		else
1637
			qlt_schedule_sess_for_deletion(fcport);
1638 1639 1640 1641
		break;

	case DSC_LOGIN_COMPLETE:
		/* recheck login state */
1642 1643
		data[0] = data[1] = 0;
		qla2x00_post_async_adisc_work(vha, fcport, data);
1644 1645
		break;

1646 1647 1648 1649 1650
	case DSC_LOGIN_PEND:
		if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
			qla24xx_post_prli_work(vha, fcport);
		break;

1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
	case DSC_UPD_FCPORT:
		sec =  jiffies_to_msecs(jiffies -
		    fcport->jiffies_at_registration)/1000;
		if (fcport->sec_since_registration < sec && sec &&
		    !(sec % 60)) {
			fcport->sec_since_registration = sec;
			ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
			    "%s %8phC - Slow Rport registration(%d Sec)\n",
			    __func__, fcport->port_name, sec);
		}

		if (fcport->next_disc_state != DSC_DELETE_PEND)
			fcport->next_disc_state = DSC_ADISC;
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		break;

1667 1668 1669 1670 1671 1672 1673 1674
	default:
		break;
	}

	return 0;
}

int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1675
    u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1676 1677
{
	struct qla_work_evt *e;
1678

1679 1680 1681 1682 1683 1684
	e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.new_sess.id = *id;
	e->u.new_sess.pla = pla;
1685
	e->u.new_sess.fc4_type = fc4_type;
1686
	memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1687 1688
	if (node_name)
		memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1689 1690 1691 1692

	return qla2x00_post_work(vha, e);
}

1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712
void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
{
	fc_port_t *fcport;
	unsigned long flags;

	fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
	if (fcport) {
		fcport->scan_needed = 1;
		fcport->rscn_gen++;
	}

	spin_lock_irqsave(&vha->work_lock, flags);
	if (vha->scan.scan_flags == 0) {
		ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
		vha->scan.scan_flags |= SF_QUEUED;
		schedule_delayed_work(&vha->scan.scan_work, 5);
	}
	spin_unlock_irqrestore(&vha->work_lock, flags);
}

1713 1714 1715 1716 1717
void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
	struct event_arg *ea)
{
	fc_port_t *fcport = ea->fcport;

1718 1719 1720
	if (test_bit(UNLOADING, &vha->dpc_flags))
		return;

1721 1722 1723 1724 1725 1726 1727 1728
	ql_dbg(ql_dbg_disc, vha, 0x2102,
	    "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
	    __func__, fcport->port_name, fcport->disc_state,
	    fcport->fw_login_state, fcport->login_pause,
	    fcport->deleted, fcport->conflict,
	    fcport->last_rscn_gen, fcport->rscn_gen,
	    fcport->last_login_gen, fcport->login_gen,
	    fcport->flags);
1729 1730

	if (fcport->last_rscn_gen != fcport->rscn_gen) {
1731
		ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1732
		    __func__, __LINE__, fcport->port_name);
1733
		qla24xx_post_gnl_work(vha, fcport);
1734 1735 1736 1737 1738 1739
		return;
	}

	qla24xx_fcport_handle_login(vha, fcport);
}

1740 1741 1742
void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
				      struct event_arg *ea)
{
1743 1744 1745 1746
	/* for pure Target Mode, PRLI will not be initiated */
	if (vha->host->active_mode == MODE_TARGET)
		return;

1747 1748 1749 1750 1751 1752
	ql_dbg(ql_dbg_disc, vha, 0x2118,
	    "%s %d %8phC post PRLI\n",
	    __func__, __LINE__, ea->fcport->port_name);
	qla24xx_post_prli_work(vha, ea->fcport);
}

1753 1754 1755 1756 1757 1758
/*
 * RSCN(s) came in for this fcport, but the RSCN(s) was not able
 * to be consumed by the fcport
 */
void qla_rscn_replay(fc_port_t *fcport)
{
1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771
	struct event_arg ea;

	switch (fcport->disc_state) {
	case DSC_DELETE_PEND:
		return;
	default:
		break;
	}

	if (fcport->scan_needed) {
		memset(&ea, 0, sizeof(ea));
		ea.id = fcport->d_id;
		ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1772
		qla2x00_handle_rscn(fcport->vha, &ea);
1773
	}
1774 1775
}

1776
static void
1777
qla2x00_tmf_iocb_timeout(void *data)
1778
{
1779
	srb_t *sp = data;
1780
	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1781 1782
	int rc, h;
	unsigned long flags;
1783

1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
	rc = qla24xx_async_abort_cmd(sp, false);
	if (rc) {
		spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
		for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
			if (sp->qpair->req->outstanding_cmds[h] == sp) {
				sp->qpair->req->outstanding_cmds[h] = NULL;
				break;
			}
		}
		spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
		tmf->u.tmf.comp_status = CS_TIMEOUT;
		tmf->u.tmf.data = QLA_FUNCTION_FAILED;
		complete(&tmf->u.tmf.comp);
	}
1798
}
1799

1800
static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1801 1802
{
	struct srb_iocb *tmf = &sp->u.iocb_cmd;
1803

1804
	complete(&tmf->u.tmf.comp);
1805 1806 1807
}

int
1808
qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1809 1810 1811
	uint32_t tag)
{
	struct scsi_qla_host *vha = fcport->vha;
1812
	struct srb_iocb *tm_iocb;
1813
	srb_t *sp;
1814
	int rval = QLA_FUNCTION_FAILED;
1815

1816
	sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1817 1818 1819
	if (!sp)
		goto done;

1820
	tm_iocb = &sp->u.iocb_cmd;
1821 1822
	sp->type = SRB_TM_CMD;
	sp->name = "tmf";
1823 1824 1825

	tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
	init_completion(&tm_iocb->u.tmf.comp);
1826
	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1827

1828 1829 1830 1831
	tm_iocb->u.tmf.flags = flags;
	tm_iocb->u.tmf.lun = lun;
	tm_iocb->u.tmf.data = tag;
	sp->done = qla2x00_tmf_sp_done;
1832

1833
	ql_dbg(ql_dbg_taskm, vha, 0x802f,
1834 1835 1836
	    "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
	    sp->handle, fcport->loop_id, fcport->d_id.b.domain,
	    fcport->d_id.b.area, fcport->d_id.b.al_pa);
1837

1838 1839 1840
	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS)
		goto done_free_sp;
1841 1842
	wait_for_completion(&tm_iocb->u.tmf.comp);

1843
	rval = tm_iocb->u.tmf.data;
1844

1845 1846
	if (rval != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x8030,
1847 1848 1849 1850 1851 1852 1853 1854
		    "TM IOCB failed (%x).\n", rval);
	}

	if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
		flags = tm_iocb->u.tmf.flags;
		lun = (uint16_t)tm_iocb->u.tmf.lun;

		/* Issue Marker IOCB */
1855
		qla2x00_marker(vha, vha->hw->base_qpair,
1856
		    fcport->loop_id, lun,
1857 1858
		    flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
	}
1859 1860

done_free_sp:
1861
	sp->free(sp);
1862
	fcport->flags &= ~FCF_ASYNC_SENT;
1863 1864 1865 1866
done:
	return rval;
}

1867 1868 1869 1870 1871 1872 1873
int
qla24xx_async_abort_command(srb_t *sp)
{
	unsigned long   flags = 0;

	uint32_t	handle;
	fc_port_t	*fcport = sp->fcport;
1874
	struct qla_qpair *qpair = sp->qpair;
1875
	struct scsi_qla_host *vha = fcport->vha;
1876
	struct req_que *req = qpair->req;
1877

1878
	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1879 1880 1881 1882
	for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
		if (req->outstanding_cmds[handle] == sp)
			break;
	}
1883 1884
	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);

1885 1886 1887 1888 1889 1890 1891 1892
	if (handle == req->num_outstanding_cmds) {
		/* Command not found. */
		return QLA_FUNCTION_FAILED;
	}
	if (sp->type == SRB_FXIOCB_DCMD)
		return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
		    FXDISC_ABORT_IOCTL);

1893
	return qla24xx_async_abort_cmd(sp, true);
1894 1895
}

1896 1897 1898
static void
qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
{
1899 1900 1901
	WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
		  ea->data[0]);

1902 1903 1904 1905 1906 1907 1908 1909
	switch (ea->data[0]) {
	case MBS_COMMAND_COMPLETE:
		ql_dbg(ql_dbg_disc, vha, 0x2118,
		    "%s %d %8phC post gpdb\n",
		    __func__, __LINE__, ea->fcport->port_name);

		ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
		ea->fcport->logout_on_delete = 1;
1910 1911 1912 1913 1914 1915
		ea->fcport->nvme_prli_service_param = ea->iop[0];
		if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
			ea->fcport->nvme_first_burst_size =
			    (ea->iop[1] & 0xffff) * 512;
		else
			ea->fcport->nvme_first_burst_size = 0;
1916 1917 1918
		qla24xx_post_gpdb_work(vha, ea->fcport, 0);
		break;
	default:
1919 1920 1921 1922 1923 1924 1925
		if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
		    (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
			ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
			break;
		}

1926 1927 1928 1929 1930
		/*
		 * Retry PRLI with other FC-4 type if failure occurred on dual
		 * FCP/NVMe port
		 */
		if (NVME_FCP_TARGET(ea->fcport)) {
1931
			ql_dbg(ql_dbg_disc, vha, 0x2118,
1932 1933 1934 1935
				"%s %d %8phC post %s prli\n",
				__func__, __LINE__, ea->fcport->port_name,
				(ea->fcport->fc4_type & FS_FC4TYPE_NVME) ?
				"NVMe" : "FCP");
1936 1937 1938 1939
			if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME)
				ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
			else
				ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1940 1941
		}

1942 1943 1944 1945
		ea->fcport->flags &= ~FCF_ASYNC_SENT;
		ea->fcport->keep_nport_handle = 0;
		ea->fcport->logout_on_delete = 1;
		qlt_schedule_sess_for_deletion(ea->fcport);
1946 1947 1948 1949
		break;
	}
}

1950
void
1951
qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1952
{
1953
	port_id_t cid;	/* conflict Nport id */
1954 1955
	u16 lid;
	struct fc_port *conflict_fcport;
1956
	unsigned long flags;
1957 1958
	struct fc_port *fcport = ea->fcport;

1959 1960 1961 1962
	ql_dbg(ql_dbg_disc, vha, 0xffff,
	    "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
	    __func__, fcport->port_name, fcport->disc_state,
	    fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1963
	    ea->sp->gen1, fcport->rscn_gen,
1964 1965
	    ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);

1966 1967 1968 1969 1970 1971 1972 1973
	if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
	    (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
		ql_dbg(ql_dbg_disc, vha, 0x20ea,
		    "%s %d %8phC Remote is trying to login\n",
		    __func__, __LINE__, fcport->port_name);
		return;
	}

1974 1975 1976
	if ((fcport->disc_state == DSC_DELETE_PEND) ||
	    (fcport->disc_state == DSC_DELETED)) {
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1977
		return;
1978
	}
1979 1980 1981 1982

	if (ea->sp->gen2 != fcport->login_gen) {
		/* target side must have changed it. */
		ql_dbg(ql_dbg_disc, vha, 0x20d3,
1983 1984 1985
		    "%s %8phC generation changed\n",
		    __func__, fcport->port_name);
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1986 1987
		return;
	} else if (ea->sp->gen1 != fcport->rscn_gen) {
1988 1989 1990
		ql_dbg(ql_dbg_disc, vha, 0x20d3,
		    "%s %8phC RSCN generation changed\n",
		    __func__, fcport->port_name);
1991
		qla_rscn_replay(fcport);
1992
		qlt_schedule_sess_for_deletion(fcport);
1993 1994
		return;
	}
1995

1996 1997 1998
	WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
		  ea->data[0]);

1999
	switch (ea->data[0]) {
2000
	case MBS_COMMAND_COMPLETE:
2001 2002 2003 2004 2005
		/*
		 * Driver must validate login state - If PRLI not complete,
		 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
		 * requests.
		 */
2006
		if (NVME_TARGET(vha->hw, ea->fcport)) {
2007 2008 2009 2010 2011 2012
			ql_dbg(ql_dbg_disc, vha, 0x2117,
				"%s %d %8phC post prli\n",
				__func__, __LINE__, ea->fcport->port_name);
			qla24xx_post_prli_work(vha, ea->fcport);
		} else {
			ql_dbg(ql_dbg_disc, vha, 0x20ea,
2013
			    "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2014 2015 2016 2017
			    __func__, __LINE__, ea->fcport->port_name,
			    ea->fcport->loop_id, ea->fcport->d_id.b24);

			set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2018
			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2019 2020
			ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
			ea->fcport->logout_on_delete = 1;
2021
			ea->fcport->send_els_logo = 0;
2022 2023 2024
			ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

2025 2026
			qla24xx_post_gpdb_work(vha, ea->fcport, 0);
		}
2027 2028
		break;
	case MBS_COMMAND_ERROR:
2029
		ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2030 2031 2032
		    __func__, __LINE__, ea->fcport->port_name, ea->data[1]);

		ea->fcport->flags &= ~FCF_ASYNC_SENT;
2033
		qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED);
2034
		if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2035 2036
			set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		else
2037
			qla2x00_mark_device_lost(vha, ea->fcport, 1);
2038 2039
		break;
	case MBS_LOOP_ID_USED:
2040 2041 2042 2043 2044 2045
		/* data[1] = IO PARAM 1 = nport ID  */
		cid.b.domain = (ea->iop[1] >> 16) & 0xff;
		cid.b.area   = (ea->iop[1] >>  8) & 0xff;
		cid.b.al_pa  = ea->iop[1] & 0xff;
		cid.b.rsvd_1 = 0;

2046
		ql_dbg(ql_dbg_disc, vha, 0x20ec,
2047
		    "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2048
		    __func__, __LINE__, ea->fcport->port_name,
2049
		    ea->fcport->loop_id, cid.b24);
2050

2051 2052
		set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
		ea->fcport->loop_id = FC_NO_LOOP_ID;
2053 2054 2055
		qla24xx_post_gnl_work(vha, ea->fcport);
		break;
	case MBS_PORT_ID_USED:
2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083
		lid = ea->iop[1] & 0xffff;
		qlt_find_sess_invalidate_other(vha,
		    wwn_to_u64(ea->fcport->port_name),
		    ea->fcport->d_id, lid, &conflict_fcport);

		if (conflict_fcport) {
			/*
			 * Another fcport share the same loop_id/nport id.
			 * Conflict fcport needs to finish cleanup before this
			 * fcport can proceed to login.
			 */
			conflict_fcport->conflict = ea->fcport;
			ea->fcport->login_pause = 1;

			ql_dbg(ql_dbg_disc, vha, 0x20ed,
			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
			    __func__, __LINE__, ea->fcport->port_name,
			    ea->fcport->d_id.b24, lid);
		} else {
			ql_dbg(ql_dbg_disc, vha, 0x20ed,
			    "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
			    __func__, __LINE__, ea->fcport->port_name,
			    ea->fcport->d_id.b24, lid);

			qla2x00_clear_loop_id(ea->fcport);
			set_bit(lid, vha->hw->loop_id_map);
			ea->fcport->loop_id = lid;
			ea->fcport->keep_nport_handle = 0;
2084
			ea->fcport->logout_on_delete = 1;
2085
			qlt_schedule_sess_for_deletion(ea->fcport);
2086
		}
2087 2088
		break;
	}
2089
	return;
2090 2091
}

L
Linus Torvalds 已提交
2092 2093 2094 2095
/****************************************************************************/
/*                QLogic ISP2x00 Hardware Support Functions.                */
/****************************************************************************/

2096
static int
2097 2098 2099 2100 2101
qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t idc_major_ver, idc_minor_ver;
2102
	uint16_t config[4];
2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153

	qla83xx_idc_lock(vha, 0);

	/* SV: TODO: Assign initialization timeout from
	 * flash-info / other param
	 */
	ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
	ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;

	/* Set our fcoe function presence */
	if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
		ql_dbg(ql_dbg_p3p, vha, 0xb077,
		    "Error while setting DRV-Presence.\n");
		rval = QLA_FUNCTION_FAILED;
		goto exit;
	}

	/* Decide the reset ownership */
	qla83xx_reset_ownership(vha);

	/*
	 * On first protocol driver load:
	 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
	 * register.
	 * Others: Check compatibility with current IDC Major version.
	 */
	qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
	if (ha->flags.nic_core_reset_owner) {
		/* Set IDC Major version */
		idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
		qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);

		/* Clearing IDC-Lock-Recovery register */
		qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
	} else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
		/*
		 * Clear further IDC participation if we are not compatible with
		 * the current IDC Major Version.
		 */
		ql_log(ql_log_warn, vha, 0xb07d,
		    "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
		    idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
		__qla83xx_clear_drv_presence(vha);
		rval = QLA_FUNCTION_FAILED;
		goto exit;
	}
	/* Each function sets its supported Minor version. */
	qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
	idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
	qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);

2154 2155 2156 2157 2158 2159 2160
	if (ha->flags.nic_core_reset_owner) {
		memset(config, 0, sizeof(config));
		if (!qla81xx_get_port_config(vha, config))
			qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
			    QLA8XXX_DEV_READY);
	}

2161 2162 2163 2164 2165 2166 2167 2168
	rval = qla83xx_idc_state_handler(vha);

exit:
	qla83xx_idc_unlock(vha, 0);

	return rval;
}

L
Linus Torvalds 已提交
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179
/*
* qla2x00_initialize_adapter
*      Initialize board.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
int
2180
qla2x00_initialize_adapter(scsi_qla_host_t *vha)
L
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2181 2182
{
	int	rval;
2183
	struct qla_hw_data *ha = vha->hw;
2184
	struct req_que *req = ha->req_q_map[0];
2185
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2186

2187 2188 2189
	memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
	memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));

L
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2190
	/* Clear adapter flags. */
2191
	vha->flags.online = 0;
2192
	ha->flags.chip_reset_done = 0;
2193
	vha->flags.reset_active = 0;
2194 2195
	ha->flags.pci_channel_io_perm_failure = 0;
	ha->flags.eeh_busy = 0;
2196
	vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2197 2198 2199 2200 2201 2202
	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
	atomic_set(&vha->loop_state, LOOP_DOWN);
	vha->device_flags = DFLG_NO_CABLE;
	vha->dpc_flags = 0;
	vha->flags.management_server_logged_in = 0;
	vha->marker_needed = 0;
L
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2203 2204 2205
	ha->isp_abort_cnt = 0;
	ha->beacon_blink_led = 0;

2206 2207 2208
	set_bit(0, ha->req_qid_map);
	set_bit(0, ha->rsp_qid_map);

2209
	ql_dbg(ql_dbg_init, vha, 0x0040,
2210
	    "Configuring PCI space...\n");
2211
	rval = ha->isp_ops->pci_config(vha);
L
Linus Torvalds 已提交
2212
	if (rval) {
2213 2214
		ql_log(ql_log_warn, vha, 0x0044,
		    "Unable to configure PCI space.\n");
L
Linus Torvalds 已提交
2215 2216 2217
		return (rval);
	}

2218
	ha->isp_ops->reset_chip(vha);
L
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2219

2220 2221
	/* Check for secure flash support */
	if (IS_QLA28XX(ha)) {
2222
		if (RD_REG_DWORD(&reg->mailbox12) & BIT_0)
2223
			ha->flags.secure_adapter = 1;
2224 2225
		ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
		    (ha->flags.secure_adapter) ? "Yes" : "No");
2226 2227 2228
	}


2229
	rval = qla2xxx_get_flash_info(vha);
2230
	if (rval) {
2231 2232
		ql_log(ql_log_fatal, vha, 0x004f,
		    "Unable to validate FLASH data.\n");
2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244
		return rval;
	}

	if (IS_QLA8044(ha)) {
		qla8044_read_reset_template(vha);

		/* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
		 * If DONRESET_BIT0 is set, drivers should not set dev_state
		 * to NEED_RESET. But if NEED_RESET is set, drivers should
		 * should honor the reset. */
		if (ql2xdontresethba == 1)
			qla8044_set_idc_dontreset(vha);
2245 2246
	}

2247
	ha->isp_ops->get_flash_version(vha, req->ring);
2248
	ql_dbg(ql_dbg_init, vha, 0x0061,
2249
	    "Configure NVRAM parameters...\n");
2250

2251 2252 2253
	/* Let priority default to FCP, can be overridden by nvram_config */
	ha->fc4_type_priority = FC4_PRIORITY_FCP;

2254
	ha->isp_ops->nvram_config(vha);
L
Linus Torvalds 已提交
2255

2256 2257 2258 2259 2260 2261 2262
	if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
	    ha->fc4_type_priority != FC4_PRIORITY_NVME)
		ha->fc4_type_priority = FC4_PRIORITY_FCP;

	ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
	       ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");

2263 2264
	if (ha->flags.disable_serdes) {
		/* Mask HBA via NVRAM settings? */
2265
		ql_log(ql_log_info, vha, 0x0077,
2266
		    "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2267 2268 2269
		return QLA_FUNCTION_FAILED;
	}

2270
	ql_dbg(ql_dbg_init, vha, 0x0078,
2271
	    "Verifying loaded RISC code...\n");
L
Linus Torvalds 已提交
2272

2273 2274 2275 2276 2277 2278
	/* If smartsan enabled then require fdmi and rdp enabled */
	if (ql2xsmartsan) {
		ql2xfdmienable = 1;
		ql2xrdpenable = 1;
	}

2279 2280
	if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
		rval = ha->isp_ops->chip_diag(vha);
2281 2282
		if (rval)
			return (rval);
2283
		rval = qla2x00_setup_chip(vha);
2284 2285
		if (rval)
			return (rval);
L
Linus Torvalds 已提交
2286
	}
2287

2288
	if (IS_QLA84XX(ha)) {
2289
		ha->cs84xx = qla84xx_get_chip(vha);
2290
		if (!ha->cs84xx) {
2291
			ql_log(ql_log_warn, vha, 0x00d0,
2292 2293 2294 2295
			    "Unable to configure ISP84XX.\n");
			return QLA_FUNCTION_FAILED;
		}
	}
2296

2297
	if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2298 2299
		rval = qla2x00_init_rings(vha);

2300 2301 2302 2303
	/* No point in continuing if firmware initialization failed. */
	if (rval != QLA_SUCCESS)
		return rval;

2304
	ha->flags.chip_reset_done = 1;
L
Linus Torvalds 已提交
2305

2306
	if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2307
		/* Issue verify 84xx FW IOCB to complete 84xx initialization */
2308 2309
		rval = qla84xx_init_chip(vha);
		if (rval != QLA_SUCCESS) {
2310 2311
			ql_log(ql_log_warn, vha, 0x00d4,
			    "Unable to initialize ISP84XX.\n");
2312
			qla84xx_put_chip(vha);
2313 2314 2315
		}
	}

2316 2317 2318 2319 2320 2321 2322 2323
	/* Load the NIC Core f/w if we are the first protocol driver. */
	if (IS_QLA8031(ha)) {
		rval = qla83xx_nic_core_fw_load(vha);
		if (rval)
			ql_log(ql_log_warn, vha, 0x0124,
			    "Error in initializing NIC Core f/w.\n");
	}

2324 2325
	if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
		qla24xx_read_fcp_prio_cfg(vha);
2326

2327 2328 2329 2330 2331
	if (IS_P3P_TYPE(ha))
		qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
	else
		qla25xx_set_driver_version(vha, QLA2XXX_VERSION);

L
Linus Torvalds 已提交
2332 2333 2334 2335
	return (rval);
}

/**
2336
 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2337
 * @vha: HA context
L
Linus Torvalds 已提交
2338 2339 2340
 *
 * Returns 0 on success.
 */
2341
int
2342
qla2100_pci_config(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
2343
{
2344
	uint16_t w;
2345
	unsigned long flags;
2346
	struct qla_hw_data *ha = vha->hw;
2347
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
2348 2349

	pci_set_master(ha->pdev);
2350
	pci_try_set_mwi(ha->pdev);
L
Linus Torvalds 已提交
2351 2352

	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2353
	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2354 2355
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

2356
	pci_disable_rom(ha->pdev);
L
Linus Torvalds 已提交
2357 2358 2359

	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
2360
	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
L
Linus Torvalds 已提交
2361 2362
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

2363 2364
	return QLA_SUCCESS;
}
L
Linus Torvalds 已提交
2365

2366 2367
/**
 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2368
 * @vha: HA context
2369 2370 2371 2372
 *
 * Returns 0 on success.
 */
int
2373
qla2300_pci_config(scsi_qla_host_t *vha)
2374
{
2375
	uint16_t	w;
2376 2377
	unsigned long   flags = 0;
	uint32_t	cnt;
2378
	struct qla_hw_data *ha = vha->hw;
2379
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
2380

2381
	pci_set_master(ha->pdev);
2382
	pci_try_set_mwi(ha->pdev);
L
Linus Torvalds 已提交
2383

2384
	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2385
	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
L
Linus Torvalds 已提交
2386

2387 2388
	if (IS_QLA2322(ha) || IS_QLA6322(ha))
		w &= ~PCI_COMMAND_INTX_DISABLE;
2389
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
L
Linus Torvalds 已提交
2390

2391 2392 2393 2394 2395 2396 2397 2398 2399
	/*
	 * If this is a 2300 card and not 2312, reset the
	 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
	 * the 2310 also reports itself as a 2300 so we need to get the
	 * fb revision level -- a 6 indicates it really is a 2300 and
	 * not a 2310.
	 */
	if (IS_QLA2300(ha)) {
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
2400

2401
		/* Pause RISC. */
2402
		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2403
		for (cnt = 0; cnt < 30000; cnt++) {
2404
			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2405
				break;
L
Linus Torvalds 已提交
2406

2407 2408
			udelay(10);
		}
L
Linus Torvalds 已提交
2409

2410
		/* Select FPM registers. */
2411 2412
		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		RD_REG_WORD(&reg->ctrl_status);
2413 2414

		/* Get the fb rev level */
2415
		ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2416 2417

		if (ha->fb_rev == FPM_2300)
2418
			pci_clear_mwi(ha->pdev);
2419 2420

		/* Deselect FPM registers. */
2421 2422
		WRT_REG_WORD(&reg->ctrl_status, 0x0);
		RD_REG_WORD(&reg->ctrl_status);
2423 2424

		/* Release RISC module. */
2425
		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2426
		for (cnt = 0; cnt < 30000; cnt++) {
2427
			if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2428 2429 2430
				break;

			udelay(10);
L
Linus Torvalds 已提交
2431 2432
		}

2433 2434
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
	}
L
Linus Torvalds 已提交
2435

2436 2437
	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);

2438
	pci_disable_rom(ha->pdev);
L
Linus Torvalds 已提交
2439

2440 2441
	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
2442
	ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2443 2444 2445
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_SUCCESS;
L
Linus Torvalds 已提交
2446 2447
}

2448 2449
/**
 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2450
 * @vha: HA context
2451 2452 2453 2454
 *
 * Returns 0 on success.
 */
int
2455
qla24xx_pci_config(scsi_qla_host_t *vha)
2456
{
2457
	uint16_t w;
2458
	unsigned long flags = 0;
2459
	struct qla_hw_data *ha = vha->hw;
2460 2461 2462
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	pci_set_master(ha->pdev);
2463
	pci_try_set_mwi(ha->pdev);
2464 2465

	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2466
	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2467 2468 2469 2470 2471 2472
	w &= ~PCI_COMMAND_INTX_DISABLE;
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

	pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);

	/* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2473 2474
	if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
		pcix_set_mmrbc(ha->pdev, 2048);
2475 2476

	/* PCIe -- adjust Maximum Read Request Size (2048). */
2477
	if (pci_is_pcie(ha->pdev))
2478
		pcie_set_readrq(ha->pdev, 4096);
2479

2480
	pci_disable_rom(ha->pdev);
2481

2482
	ha->chip_revision = ha->pdev->revision;
2483

2484 2485 2486 2487 2488 2489 2490 2491
	/* Get PCI bus information. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return QLA_SUCCESS;
}

2492 2493
/**
 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2494
 * @vha: HA context
2495 2496 2497 2498
 *
 * Returns 0 on success.
 */
int
2499
qla25xx_pci_config(scsi_qla_host_t *vha)
2500 2501
{
	uint16_t w;
2502
	struct qla_hw_data *ha = vha->hw;
2503 2504 2505 2506 2507 2508 2509 2510 2511 2512

	pci_set_master(ha->pdev);
	pci_try_set_mwi(ha->pdev);

	pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
	w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
	w &= ~PCI_COMMAND_INTX_DISABLE;
	pci_write_config_word(ha->pdev, PCI_COMMAND, w);

	/* PCIe -- adjust Maximum Read Request Size (2048). */
2513
	if (pci_is_pcie(ha->pdev))
2514
		pcie_set_readrq(ha->pdev, 4096);
2515

2516
	pci_disable_rom(ha->pdev);
2517 2518 2519 2520 2521 2522

	ha->chip_revision = ha->pdev->revision;

	return QLA_SUCCESS;
}

L
Linus Torvalds 已提交
2523 2524
/**
 * qla2x00_isp_firmware() - Choose firmware image.
2525
 * @vha: HA context
L
Linus Torvalds 已提交
2526 2527 2528 2529
 *
 * Returns 0 on success.
 */
static int
2530
qla2x00_isp_firmware(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
2531 2532
{
	int  rval;
2533 2534
	uint16_t loop_id, topo, sw_cap;
	uint8_t domain, area, al_pa;
2535
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
2536 2537

	/* Assume loading risc code */
2538
	rval = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
2539 2540

	if (ha->flags.disable_risc_code_load) {
2541
		ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
L
Linus Torvalds 已提交
2542 2543

		/* Verify checksum of loaded RISC code. */
2544
		rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2545 2546
		if (rval == QLA_SUCCESS) {
			/* And, verify we are not in ROM code. */
2547
			rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2548 2549
			    &area, &domain, &topo, &sw_cap);
		}
L
Linus Torvalds 已提交
2550 2551
	}

2552 2553 2554
	if (rval)
		ql_dbg(ql_dbg_init, vha, 0x007a,
		    "**** Load RISC code ****.\n");
L
Linus Torvalds 已提交
2555 2556 2557 2558 2559 2560

	return (rval);
}

/**
 * qla2x00_reset_chip() - Reset ISP chip.
2561
 * @vha: HA context
L
Linus Torvalds 已提交
2562 2563 2564
 *
 * Returns 0 on success.
 */
2565
int
2566
qla2x00_reset_chip(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
2567 2568
{
	unsigned long   flags = 0;
2569
	struct qla_hw_data *ha = vha->hw;
2570
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
2571 2572
	uint32_t	cnt;
	uint16_t	cmd;
2573
	int rval = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
2574

2575
	if (unlikely(pci_channel_offline(ha->pdev)))
2576
		return rval;
2577

2578
	ha->isp_ops->disable_intrs(ha);
L
Linus Torvalds 已提交
2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Turn off master enable */
	cmd = 0;
	pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
	cmd &= ~PCI_COMMAND_MASTER;
	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);

	if (!IS_QLA2100(ha)) {
		/* Pause RISC. */
		WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
		if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
			for (cnt = 0; cnt < 30000; cnt++) {
				if ((RD_REG_WORD(&reg->hccr) &
				    HCCR_RISC_PAUSE) != 0)
					break;
				udelay(100);
			}
		} else {
			RD_REG_WORD(&reg->hccr);	/* PCI Posting. */
			udelay(10);
		}

		/* Select FPM registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0x20);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* FPM Soft Reset. */
		WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
		RD_REG_WORD(&reg->fpm_diag_config);	/* PCI Posting. */

		/* Toggle Fpm Reset. */
		if (!IS_QLA2200(ha)) {
			WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
			RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
		}

		/* Select frame buffer registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0x10);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* Reset frame buffer FIFOs. */
		if (IS_QLA2200(ha)) {
			WRT_FB_CMD_REG(ha, reg, 0xa000);
			RD_FB_CMD_REG(ha, reg);		/* PCI Posting. */
		} else {
			WRT_FB_CMD_REG(ha, reg, 0x00fc);

			/* Read back fb_cmd until zero or 3 seconds max */
			for (cnt = 0; cnt < 3000; cnt++) {
				if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
					break;
				udelay(100);
			}
		}

		/* Select RISC module registers. */
		WRT_REG_WORD(&reg->ctrl_status, 0);
		RD_REG_WORD(&reg->ctrl_status);		/* PCI Posting. */

		/* Reset RISC processor. */
		WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */

		/* Release RISC processor. */
		WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
	}

	WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
	WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);

	/* Reset ISP chip. */
	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);

	/* Wait for RISC to recover from reset. */
	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		/*
		 * It is necessary to for a delay here since the card doesn't
		 * respond to PCI reads during a reset. On some architectures
		 * this will result in an MCA.
		 */
		udelay(20);
		for (cnt = 30000; cnt; cnt--) {
			if ((RD_REG_WORD(&reg->ctrl_status) &
			    CSR_ISP_SOFT_RESET) == 0)
				break;
			udelay(100);
		}
	} else
		udelay(10);

	/* Reset RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);

	WRT_REG_WORD(&reg->semaphore, 0);

	/* Release RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */

	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		for (cnt = 0; cnt < 30000; cnt++) {
2683
			if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
L
Linus Torvalds 已提交
2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701
				break;

			udelay(100);
		}
	} else
		udelay(100);

	/* Turn on master enable */
	cmd |= PCI_COMMAND_MASTER;
	pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);

	/* Disable RISC pause on FPM parity error. */
	if (!IS_QLA2100(ha)) {
		WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
		RD_REG_WORD(&reg->hccr);		/* PCI Posting. */
	}

	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2702 2703

	return QLA_SUCCESS;
L
Linus Torvalds 已提交
2704 2705
}

2706 2707
/**
 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2708
 * @vha: HA context
2709 2710 2711
 *
 * Returns 0 on success.
 */
2712
static int
2713 2714 2715 2716
qla81xx_reset_mpi(scsi_qla_host_t *vha)
{
	uint16_t mb[4] = {0x1010, 0, 1, 0};

2717 2718 2719
	if (!IS_QLA81XX(vha->hw))
		return QLA_SUCCESS;

2720 2721 2722
	return qla81xx_write_mpi_register(vha, mb);
}

2723
/**
2724
 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2725
 * @vha: HA context
2726 2727 2728
 *
 * Returns 0 on success.
 */
2729
static inline int
2730
qla24xx_reset_risc(scsi_qla_host_t *vha)
2731 2732
{
	unsigned long flags = 0;
2733
	struct qla_hw_data *ha = vha->hw;
2734
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2735
	uint32_t cnt;
2736
	uint16_t wd;
2737
	static int abts_cnt; /* ISP abort retry counts */
2738
	int rval = QLA_SUCCESS;
2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Reset RISC. */
	WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
	for (cnt = 0; cnt < 30000; cnt++) {
		if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
			break;

		udelay(10);
	}

2751 2752 2753 2754 2755 2756 2757 2758 2759
	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
		set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);

	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
	    "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
	    RD_REG_DWORD(&reg->hccr),
	    RD_REG_DWORD(&reg->ctrl_status),
	    (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));

2760 2761
	WRT_REG_DWORD(&reg->ctrl_status,
	    CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2762
	pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2763

2764
	udelay(100);
2765

2766
	/* Wait for firmware to complete NVRAM accesses. */
2767
	RD_REG_WORD(&reg->mailbox0);
2768 2769
	for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
	    rval == QLA_SUCCESS; cnt--) {
2770
		barrier();
2771 2772 2773 2774
		if (cnt)
			udelay(5);
		else
			rval = QLA_FUNCTION_TIMEOUT;
2775 2776
	}

2777 2778 2779 2780 2781 2782 2783 2784
	if (rval == QLA_SUCCESS)
		set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);

	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
	    "HCCR: 0x%x, MailBox0 Status 0x%x\n",
	    RD_REG_DWORD(&reg->hccr),
	    RD_REG_DWORD(&reg->mailbox0));

2785
	/* Wait for soft-reset to complete. */
2786
	RD_REG_DWORD(&reg->ctrl_status);
2787
	for (cnt = 0; cnt < 60; cnt++) {
2788
		barrier();
2789 2790 2791 2792 2793
		if ((RD_REG_DWORD(&reg->ctrl_status) &
		    CSRX_ISP_SOFT_RESET) == 0)
			break;

		udelay(5);
2794
	}
2795 2796 2797 2798 2799 2800 2801
	if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
		set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);

	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
	    "HCCR: 0x%x, Soft Reset status: 0x%x\n",
	    RD_REG_DWORD(&reg->hccr),
	    RD_REG_DWORD(&reg->ctrl_status));
2802

2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819
	/* If required, do an MPI FW reset now */
	if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
		if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
			if (++abts_cnt < 5) {
				set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
				set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
			} else {
				/*
				 * We exhausted the ISP abort retries. We have to
				 * set the board offline.
				 */
				abts_cnt = 0;
				vha->flags.online = 0;
			}
		}
	}

2820 2821 2822 2823 2824 2825 2826 2827 2828
	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);

	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
	RD_REG_DWORD(&reg->hccr);

	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);

2829
	RD_REG_WORD(&reg->mailbox0);
2830
	for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2831
	    rval == QLA_SUCCESS; cnt--) {
2832
		barrier();
2833 2834 2835 2836
		if (cnt)
			udelay(5);
		else
			rval = QLA_FUNCTION_TIMEOUT;
2837
	}
2838 2839 2840 2841 2842 2843 2844
	if (rval == QLA_SUCCESS)
		set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);

	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
	    "Host Risc 0x%x, mailbox0 0x%x\n",
	    RD_REG_DWORD(&reg->hccr),
	     RD_REG_WORD(&reg->mailbox0));
2845 2846

	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2847

2848 2849 2850 2851
	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
	    "Driver in %s mode\n",
	    IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");

2852 2853
	if (IS_NOPOLLING_TYPE(ha))
		ha->isp_ops->enable_intrs(ha);
2854 2855

	return rval;
2856 2857
}

2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885
static void
qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
{
	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;

	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
	*data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);

}

static void
qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
{
	struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;

	WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
	WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
}

static void
qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
{
	uint32_t wd32 = 0;
	uint delta_msec = 100;
	uint elapsed_msec = 0;
	uint timeout_msec;
	ulong n;

2886 2887
	if (vha->hw->pdev->subsystem_device != 0x0175 &&
	    vha->hw->pdev->subsystem_device != 0x0240)
2888 2889
		return;

2890 2891 2892
	WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
	udelay(100);

2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937
attempt:
	timeout_msec = TIMEOUT_SEMAPHORE;
	n = timeout_msec / delta_msec;
	while (n--) {
		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
		qla25xx_read_risc_sema_reg(vha, &wd32);
		if (wd32 & RISC_SEMAPHORE)
			break;
		msleep(delta_msec);
		elapsed_msec += delta_msec;
		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
			goto force;
	}

	if (!(wd32 & RISC_SEMAPHORE))
		goto force;

	if (!(wd32 & RISC_SEMAPHORE_FORCE))
		goto acquired;

	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
	timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
	n = timeout_msec / delta_msec;
	while (n--) {
		qla25xx_read_risc_sema_reg(vha, &wd32);
		if (!(wd32 & RISC_SEMAPHORE_FORCE))
			break;
		msleep(delta_msec);
		elapsed_msec += delta_msec;
		if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
			goto force;
	}

	if (wd32 & RISC_SEMAPHORE_FORCE)
		qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);

	goto attempt;

force:
	qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);

acquired:
	return;
}

2938 2939
/**
 * qla24xx_reset_chip() - Reset ISP24xx chip.
2940
 * @vha: HA context
2941 2942 2943
 *
 * Returns 0 on success.
 */
2944
int
2945
qla24xx_reset_chip(scsi_qla_host_t *vha)
2946
{
2947
	struct qla_hw_data *ha = vha->hw;
2948
	int rval = QLA_FUNCTION_FAILED;
2949 2950 2951

	if (pci_channel_offline(ha->pdev) &&
	    ha->flags.pci_channel_io_perm_failure) {
2952
		return rval;
2953 2954
	}

2955
	ha->isp_ops->disable_intrs(ha);
2956

2957 2958
	qla25xx_manipulate_risc_semaphore(vha);

2959
	/* Perform RISC reset. */
2960 2961 2962
	rval = qla24xx_reset_risc(vha);

	return rval;
2963 2964
}

L
Linus Torvalds 已提交
2965 2966
/**
 * qla2x00_chip_diag() - Test chip for proper operation.
2967
 * @vha: HA context
L
Linus Torvalds 已提交
2968 2969 2970
 *
 * Returns 0 on success.
 */
2971
int
2972
qla2x00_chip_diag(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
2973 2974
{
	int		rval;
2975
	struct qla_hw_data *ha = vha->hw;
2976
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
2977 2978 2979 2980
	unsigned long	flags = 0;
	uint16_t	data;
	uint32_t	cnt;
	uint16_t	mb[5];
2981
	struct req_que *req = ha->req_q_map[0];
L
Linus Torvalds 已提交
2982 2983 2984 2985

	/* Assume a failed state */
	rval = QLA_FUNCTION_FAILED;

2986 2987
	ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
	       &reg->flash_address);
L
Linus Torvalds 已提交
2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Reset ISP chip. */
	WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);

	/*
	 * We need to have a delay here since the card will not respond while
	 * in reset causing an MCA on some architectures.
	 */
	udelay(20);
	data = qla2x00_debounce_register(&reg->ctrl_status);
	for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
		udelay(5);
		data = RD_REG_WORD(&reg->ctrl_status);
		barrier();
	}

	if (!cnt)
		goto chip_diag_failed;

3009 3010
	ql_dbg(ql_dbg_init, vha, 0x007c,
	    "Reset register cleared by chip reset.\n");
L
Linus Torvalds 已提交
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021

	/* Reset RISC processor. */
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);

	/* Workaround for QLA2312 PCI parity error */
	if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
		data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
		for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
			udelay(5);
			data = RD_MAILBOX_REG(ha, reg, 0);
3022
			barrier();
L
Linus Torvalds 已提交
3023 3024 3025 3026 3027 3028 3029 3030
		}
	} else
		udelay(10);

	if (!cnt)
		goto chip_diag_failed;

	/* Check product ID of chip */
3031
	ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
L
Linus Torvalds 已提交
3032 3033 3034 3035 3036 3037 3038

	mb[1] = RD_MAILBOX_REG(ha, reg, 1);
	mb[2] = RD_MAILBOX_REG(ha, reg, 2);
	mb[3] = RD_MAILBOX_REG(ha, reg, 3);
	mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
	if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
	    mb[3] != PROD_ID_3) {
3039 3040 3041
		ql_log(ql_log_warn, vha, 0x0062,
		    "Wrong product ID = 0x%x,0x%x,0x%x.\n",
		    mb[1], mb[2], mb[3]);
L
Linus Torvalds 已提交
3042 3043 3044 3045 3046 3047 3048 3049 3050

		goto chip_diag_failed;
	}
	ha->product_id[0] = mb[1];
	ha->product_id[1] = mb[2];
	ha->product_id[2] = mb[3];
	ha->product_id[3] = mb[4];

	/* Adjust fw RISC transfer size */
3051
	if (req->length > 1024)
L
Linus Torvalds 已提交
3052 3053 3054
		ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
	else
		ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3055
		    req->length;
L
Linus Torvalds 已提交
3056 3057 3058 3059

	if (IS_QLA2200(ha) &&
	    RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
		/* Limit firmware transfer size with a 2200A */
3060
		ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
L
Linus Torvalds 已提交
3061

3062
		ha->device_type |= DT_ISP2200A;
L
Linus Torvalds 已提交
3063 3064 3065 3066 3067 3068
		ha->fw_transfer_size = 128;
	}

	/* Wrap Incoming Mailboxes Test. */
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

3069
	ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3070
	rval = qla2x00_mbx_reg_test(vha);
3071 3072 3073 3074
	if (rval)
		ql_log(ql_log_warn, vha, 0x0080,
		    "Failed mailbox send register test.\n");
	else
L
Linus Torvalds 已提交
3075 3076 3077 3078 3079 3080
		/* Flag a successful rval */
		rval = QLA_SUCCESS;
	spin_lock_irqsave(&ha->hardware_lock, flags);

chip_diag_failed:
	if (rval)
3081 3082
		ql_log(ql_log_info, vha, 0x0081,
		    "Chip diagnostics **** FAILED ****.\n");
L
Linus Torvalds 已提交
3083 3084 3085 3086 3087 3088

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return (rval);
}

3089 3090
/**
 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3091
 * @vha: HA context
3092 3093 3094 3095
 *
 * Returns 0 on success.
 */
int
3096
qla24xx_chip_diag(scsi_qla_host_t *vha)
3097 3098
{
	int rval;
3099
	struct qla_hw_data *ha = vha->hw;
3100
	struct req_que *req = ha->req_q_map[0];
3101

3102
	if (IS_P3P_TYPE(ha))
3103 3104
		return QLA_SUCCESS;

3105
	ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3106

3107
	rval = qla2x00_mbx_reg_test(vha);
3108
	if (rval) {
3109 3110
		ql_log(ql_log_warn, vha, 0x0082,
		    "Failed mailbox send register test.\n");
3111 3112 3113 3114 3115 3116 3117 3118
	} else {
		/* Flag a successful rval */
		rval = QLA_SUCCESS;
	}

	return rval;
}

3119
static void
3120
qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3121
{
3122
	int rval;
3123 3124
	dma_addr_t tc_dma;
	void *tc;
3125
	struct qla_hw_data *ha = vha->hw;
3126

3127 3128 3129 3130 3131 3132 3133 3134
	if (!IS_FWI2_CAPABLE(ha))
		return;

	if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
	    !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
		return;

	if (ha->fce) {
3135
		ql_dbg(ql_dbg_init, vha, 0x00bd,
3136 3137
		       "%s: FCE Mem is already allocated.\n",
		       __func__);
3138 3139
		return;
	}
3140

3141 3142 3143 3144 3145 3146 3147 3148 3149
	/* Allocate memory for Fibre Channel Event Buffer. */
	tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
				GFP_KERNEL);
	if (!tc) {
		ql_log(ql_log_warn, vha, 0x00be,
		       "Unable to allocate (%d KB) for FCE.\n",
		       FCE_SIZE / 1024);
		return;
	}
3150

3151 3152 3153 3154 3155 3156 3157 3158
	rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
					ha->fce_mb, &ha->fce_bufs);
	if (rval) {
		ql_log(ql_log_warn, vha, 0x00bf,
		       "Unable to initialize FCE (%d).\n", rval);
		dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
		return;
	}
3159

3160 3161
	ql_dbg(ql_dbg_init, vha, 0x00c0,
	       "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3162

3163 3164 3165 3166
	ha->flags.fce_enabled = 1;
	ha->fce_dma = tc_dma;
	ha->fce = tc;
}
3167

3168 3169 3170 3171 3172 3173 3174
static void
qla2x00_init_eft_trace(scsi_qla_host_t *vha)
{
	int rval;
	dma_addr_t tc_dma;
	void *tc;
	struct qla_hw_data *ha = vha->hw;
3175

3176 3177
	if (!IS_FWI2_CAPABLE(ha))
		return;
3178

3179 3180 3181 3182 3183 3184
	if (ha->eft) {
		ql_dbg(ql_dbg_init, vha, 0x00bd,
		    "%s: EFT Mem is already allocated.\n",
		    __func__);
		return;
	}
3185

3186 3187 3188 3189 3190 3191 3192 3193
	/* Allocate memory for Extended Trace Buffer. */
	tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
				GFP_KERNEL);
	if (!tc) {
		ql_log(ql_log_warn, vha, 0x00c1,
		       "Unable to allocate (%d KB) for EFT.\n",
		       EFT_SIZE / 1024);
		return;
3194
	}
3195

3196 3197 3198 3199 3200 3201
	rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
	if (rval) {
		ql_log(ql_log_warn, vha, 0x00c2,
		       "Unable to initialize EFT (%d).\n", rval);
		dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
		return;
3202
	}
3203

3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215
	ql_dbg(ql_dbg_init, vha, 0x00c3,
	       "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);

	ha->eft_dma = tc_dma;
	ha->eft = tc;
}

static void
qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
{
	qla2x00_init_fce_trace(vha);
	qla2x00_init_eft_trace(vha);
3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237
}

void
qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
{
	uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
	    eft_size, fce_size, mq_size;
	struct qla_hw_data *ha = vha->hw;
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];
	struct qla2xxx_fw_dump *fw_dump;

	dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
	req_q_size = rsp_q_size = 0;

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		fixed_size = sizeof(struct qla2100_fw_dump);
	} else if (IS_QLA23XX(ha)) {
		fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
		mem_size = (ha->fw_memory_size - 0x11000 + 1) *
		    sizeof(uint16_t);
	} else if (IS_FWI2_CAPABLE(ha)) {
3238
		if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249
			fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
		else if (IS_QLA81XX(ha))
			fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
		else if (IS_QLA25XX(ha))
			fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
		else
			fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);

		mem_size = (ha->fw_memory_size - 0x100000 + 1) *
		    sizeof(uint32_t);
		if (ha->mqenable) {
3250 3251
			if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
			    !IS_QLA28XX(ha))
3252 3253
				mq_size = sizeof(struct qla2xxx_mq_chain);
			/*
3254
			 * Allocate maximum buffer size for all queues - Q0.
3255 3256
			 * Resizing must be done at end-of-dump processing.
			 */
3257
			mq_size += (ha->max_req_queues - 1) *
3258
			    (req->length * sizeof(request_t));
3259
			mq_size += (ha->max_rsp_queues - 1) *
3260 3261 3262 3263 3264
			    (rsp->length * sizeof(response_t));
		}
		if (ha->tgt.atio_ring)
			mq_size += ha->tgt.atio_q_length * sizeof(request_t);

3265 3266 3267 3268
		qla2x00_init_fce_trace(vha);
		if (ha->fce)
			fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
		qla2x00_init_eft_trace(vha);
3269
		if (ha->eft)
3270
			eft_size = EFT_SIZE;
3271 3272
	}

3273
	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3274 3275 3276 3277 3278
		struct fwdt *fwdt = ha->fwdt;
		uint j;

		for (j = 0; j < 2; j++, fwdt++) {
			if (!fwdt->template) {
3279
				ql_dbg(ql_dbg_init, vha, 0x00ba,
3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290
				    "-> fwdt%u no template\n", j);
				continue;
			}
			ql_dbg(ql_dbg_init, vha, 0x00fa,
			    "-> fwdt%u calculating fwdump size...\n", j);
			fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
			    vha, fwdt->template);
			ql_dbg(ql_dbg_init, vha, 0x00fa,
			    "-> fwdt%u calculated fwdump size = %#lx bytes\n",
			    j, fwdt->dump_size);
			dump_size += fwdt->dump_size;
3291
		}
3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305
	} else {
		req_q_size = req->length * sizeof(request_t);
		rsp_q_size = rsp->length * sizeof(response_t);
		dump_size = offsetof(struct qla2xxx_fw_dump, isp);
		dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
			+ eft_size;
		ha->chain_offset = dump_size;
		dump_size += mq_size + fce_size;
		if (ha->exchoffld_buf)
			dump_size += sizeof(struct qla2xxx_offld_chain) +
				ha->exchoffld_size;
		if (ha->exlogin_buf)
			dump_size += sizeof(struct qla2xxx_offld_chain) +
				ha->exlogin_size;
3306 3307
	}

3308 3309 3310 3311 3312 3313 3314
	if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {

		ql_dbg(ql_dbg_init, vha, 0x00c5,
		    "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
		    __func__, dump_size, ha->fw_dump_len,
		    ha->fw_dump_alloc_len);

3315 3316 3317 3318 3319 3320
		fw_dump = vmalloc(dump_size);
		if (!fw_dump) {
			ql_log(ql_log_warn, vha, 0x00c4,
			    "Unable to allocate (%d KB) for firmware dump.\n",
			    dump_size / 1024);
		} else {
3321
			mutex_lock(&ha->optrom_mutex);
3322 3323
			if (ha->fw_dumped) {
				memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3324
				vfree(ha->fw_dump);
3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340
				ha->fw_dump = fw_dump;
				ha->fw_dump_alloc_len =  dump_size;
				ql_dbg(ql_dbg_init, vha, 0x00c5,
				    "Re-Allocated (%d KB) and save firmware dump.\n",
				    dump_size / 1024);
			} else {
				if (ha->fw_dump)
					vfree(ha->fw_dump);
				ha->fw_dump = fw_dump;

				ha->fw_dump_len = ha->fw_dump_alloc_len =
				    dump_size;
				ql_dbg(ql_dbg_init, vha, 0x00c5,
				    "Allocated (%d KB) for firmware dump.\n",
				    dump_size / 1024);

3341 3342
				if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
					mutex_unlock(&ha->optrom_mutex);
3343
					return;
3344
				}
3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366

				ha->fw_dump->signature[0] = 'Q';
				ha->fw_dump->signature[1] = 'L';
				ha->fw_dump->signature[2] = 'G';
				ha->fw_dump->signature[3] = 'C';
				ha->fw_dump->version = htonl(1);

				ha->fw_dump->fixed_size = htonl(fixed_size);
				ha->fw_dump->mem_size = htonl(mem_size);
				ha->fw_dump->req_q_size = htonl(req_q_size);
				ha->fw_dump->rsp_q_size = htonl(rsp_q_size);

				ha->fw_dump->eft_size = htonl(eft_size);
				ha->fw_dump->eft_addr_l =
				    htonl(LSD(ha->eft_dma));
				ha->fw_dump->eft_addr_h =
				    htonl(MSD(ha->eft_dma));

				ha->fw_dump->header_size =
					htonl(offsetof
					    (struct qla2xxx_fw_dump, isp));
			}
3367
			mutex_unlock(&ha->optrom_mutex);
3368 3369
		}
	}
3370 3371
}

3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384
static int
qla81xx_mpi_sync(scsi_qla_host_t *vha)
{
#define MPS_MASK	0xe0
	int rval;
	uint16_t dc;
	uint32_t dw;

	if (!IS_QLA81XX(vha->hw))
		return QLA_SUCCESS;

	rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
	if (rval != QLA_SUCCESS) {
3385 3386
		ql_log(ql_log_warn, vha, 0x0105,
		    "Unable to acquire semaphore.\n");
3387 3388 3389 3390 3391 3392
		goto done;
	}

	pci_read_config_word(vha->hw->pdev, 0x54, &dc);
	rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
	if (rval != QLA_SUCCESS) {
3393
		ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404
		goto done_release;
	}

	dc &= MPS_MASK;
	if (dc == (dw & MPS_MASK))
		goto done_release;

	dw &= ~MPS_MASK;
	dw |= dc;
	rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
	if (rval != QLA_SUCCESS) {
3405
		ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3406 3407 3408 3409 3410
	}

done_release:
	rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
	if (rval != QLA_SUCCESS) {
3411 3412
		ql_log(ql_log_warn, vha, 0x006d,
		    "Unable to release semaphore.\n");
3413 3414 3415 3416 3417 3418
	}

done:
	return rval;
}

3419 3420 3421 3422 3423 3424 3425
int
qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
{
	/* Don't try to reallocate the array */
	if (req->outstanding_cmds)
		return QLA_SUCCESS;

3426
	if (!IS_FWI2_CAPABLE(ha))
3427 3428
		req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
	else {
3429 3430
		if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
			req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3431
		else
3432
			req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3433 3434
	}

3435 3436 3437
	req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
					sizeof(srb_t *),
					GFP_KERNEL);
3438 3439 3440 3441 3442 3443 3444

	if (!req->outstanding_cmds) {
		/*
		 * Try to allocate a minimal size just so we can get through
		 * initialization.
		 */
		req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3445 3446 3447
		req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
						sizeof(srb_t *),
						GFP_KERNEL);
3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460

		if (!req->outstanding_cmds) {
			ql_log(ql_log_fatal, NULL, 0x0126,
			    "Failed to allocate memory for "
			    "outstanding_cmds for req_que %p.\n", req);
			req->num_outstanding_cmds = 0;
			return QLA_FUNCTION_FAILED;
		}
	}

	return QLA_SUCCESS;
}

3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552
#define PRINT_FIELD(_field, _flag, _str) {		\
	if (a0->_field & _flag) {\
		if (p) {\
			strcat(ptr, "|");\
			ptr++;\
			leftover--;\
		} \
		len = snprintf(ptr, leftover, "%s", _str);	\
		p = 1;\
		leftover -= len;\
		ptr += len; \
	} \
}

static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
{
#define STR_LEN 64
	struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
	u8 str[STR_LEN], *ptr, p;
	int leftover, len;

	memset(str, 0, STR_LEN);
	snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
	ql_dbg(ql_dbg_init, vha, 0x015a,
	    "SFP MFG Name: %s\n", str);

	memset(str, 0, STR_LEN);
	snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
	ql_dbg(ql_dbg_init, vha, 0x015c,
	    "SFP Part Name: %s\n", str);

	/* media */
	memset(str, 0, STR_LEN);
	ptr = str;
	leftover = STR_LEN;
	p = len = 0;
	PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
	PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
	PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
	PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
	PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
	PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
	PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
	ql_dbg(ql_dbg_init, vha, 0x0160,
	    "SFP Media: %s\n", str);

	/* link length */
	memset(str, 0, STR_LEN);
	ptr = str;
	leftover = STR_LEN;
	p = len = 0;
	PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
	PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
	PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
	PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
	PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
	ql_dbg(ql_dbg_init, vha, 0x0196,
	    "SFP Link Length: %s\n", str);

	memset(str, 0, STR_LEN);
	ptr = str;
	leftover = STR_LEN;
	p = len = 0;
	PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
	PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
	PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
	PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
	PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
	ql_dbg(ql_dbg_init, vha, 0x016e,
	    "SFP FC Link Tech: %s\n", str);

	if (a0->length_km)
		ql_dbg(ql_dbg_init, vha, 0x016f,
		    "SFP Distant: %d km\n", a0->length_km);
	if (a0->length_100m)
		ql_dbg(ql_dbg_init, vha, 0x0170,
		    "SFP Distant: %d m\n", a0->length_100m*100);
	if (a0->length_50um_10m)
		ql_dbg(ql_dbg_init, vha, 0x0189,
		    "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
	if (a0->length_62um_10m)
		ql_dbg(ql_dbg_init, vha, 0x018a,
		  "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
	if (a0->length_om4_10m)
		ql_dbg(ql_dbg_init, vha, 0x0194,
		    "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
	if (a0->length_om3_10m)
		ql_dbg(ql_dbg_init, vha, 0x0195,
		    "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
}


3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565
/**
 * qla24xx_detect_sfp()
 *
 * @vha: adapter state pointer.
 *
 * @return
 *	0 -- Configure firmware to use short-range settings -- normal
 *	     buffer-to-buffer credits.
 *
 *	1 -- Configure firmware to use long-range settings -- extra
 *	     buffer-to-buffer credits should be allocated with
 *	     ha->lr_distance containing distance settings from NVRAM or SFP
 *	     (if supported).
3566 3567 3568 3569
 */
int
qla24xx_detect_sfp(scsi_qla_host_t *vha)
{
3570
	int rc, used_nvram;
3571 3572
	struct sff_8247_a0 *a;
	struct qla_hw_data *ha = vha->hw;
3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591
	struct nvram_81xx *nv = ha->nvram;
#define LR_DISTANCE_UNKNOWN	2
	static const char * const types[] = { "Short", "Long" };
	static const char * const lengths[] = { "(10km)", "(5km)", "" };
	u8 ll = 0;

	/* Seed with NVRAM settings. */
	used_nvram = 0;
	ha->flags.lr_detected = 0;
	if (IS_BPM_RANGE_CAPABLE(ha) &&
	    (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
		used_nvram = 1;
		ha->flags.lr_detected = 1;
		ha->lr_distance =
		    (nv->enhanced_features >> LR_DIST_NV_POS)
		     & LR_DIST_NV_MASK;
	}

	if (!IS_BPM_ENABLED(vha))
3592
		goto out;
3593
	/* Determine SR/LR capabilities of SFP/Transceiver. */
3594 3595 3596 3597
	rc = qla2x00_read_sfp_dev(vha, NULL, 0);
	if (rc)
		goto out;

3598
	used_nvram = 0;
3599 3600 3601
	a = (struct sff_8247_a0 *)vha->hw->sfp_data;
	qla2xxx_print_sfp_info(vha);

3602 3603 3604 3605 3606
	ha->flags.lr_detected = 0;
	ll = a->fc_ll_cc7;
	if (ll & FC_LL_VL || ll & FC_LL_L) {
		/* Long range, track length. */
		ha->flags.lr_detected = 1;
3607 3608

		if (a->length_km > 5 || a->length_100m > 50)
3609
			ha->lr_distance = LR_DISTANCE_10K;
3610
		else
3611
			ha->lr_distance = LR_DISTANCE_5K;
3612 3613 3614
	}

out:
3615 3616 3617 3618 3619 3620 3621
	ql_dbg(ql_dbg_async, vha, 0x507b,
	    "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
	    types[ha->flags.lr_detected],
	    ha->flags.lr_detected ? lengths[ha->lr_distance] :
	       lengths[LR_DISTANCE_UNKNOWN],
	    used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
	return ha->flags.lr_detected;
3622 3623
}

L
Linus Torvalds 已提交
3624 3625
/**
 * qla2x00_setup_chip() - Load and start RISC firmware.
3626
 * @vha: HA context
L
Linus Torvalds 已提交
3627 3628 3629 3630
 *
 * Returns 0 on success.
 */
static int
3631
qla2x00_setup_chip(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3632
{
3633 3634
	int rval;
	uint32_t srisc_address = 0;
3635
	struct qla_hw_data *ha = vha->hw;
3636 3637
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	unsigned long flags;
3638
	uint16_t fw_major_version;
3639
	int done_once = 0;
3640

3641
	if (IS_P3P_TYPE(ha)) {
3642
		rval = ha->isp_ops->load_risc(vha, &srisc_address);
3643 3644
		if (rval == QLA_SUCCESS) {
			qla2x00_stop_firmware(vha);
3645
			goto enable_82xx_npiv;
3646
		} else
3647
			goto failed;
3648 3649
	}

3650 3651 3652 3653 3654 3655 3656
	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
		/* Disable SRAM, Instruction RAM and GP RAM parity.  */
		spin_lock_irqsave(&ha->hardware_lock, flags);
		WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
		RD_REG_WORD(&reg->hccr);
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
	}
L
Linus Torvalds 已提交
3657

3658 3659
	qla81xx_mpi_sync(vha);

3660
execute_fw_with_lr:
L
Linus Torvalds 已提交
3661
	/* Load firmware sequences */
3662
	rval = ha->isp_ops->load_risc(vha, &srisc_address);
3663
	if (rval == QLA_SUCCESS) {
3664 3665
		ql_dbg(ql_dbg_init, vha, 0x00c9,
		    "Verifying Checksum of loaded RISC code.\n");
L
Linus Torvalds 已提交
3666

3667
		rval = qla2x00_verify_checksum(vha, srisc_address);
L
Linus Torvalds 已提交
3668 3669
		if (rval == QLA_SUCCESS) {
			/* Start firmware execution. */
3670 3671
			ql_dbg(ql_dbg_init, vha, 0x00ca,
			    "Starting firmware.\n");
L
Linus Torvalds 已提交
3672

3673 3674 3675
			if (ql2xexlogins)
				ha->flags.exlogins_enabled = 1;

3676
			if (qla_is_exch_offld_enabled(vha))
3677 3678
				ha->flags.exchoffld_enabled = 1;

3679
			rval = qla2x00_execute_fw(vha, srisc_address);
L
Linus Torvalds 已提交
3680
			/* Retrieve firmware information. */
3681
			if (rval == QLA_SUCCESS) {
3682 3683 3684 3685 3686 3687 3688 3689 3690
				/* Enable BPM support? */
				if (!done_once++ && qla24xx_detect_sfp(vha)) {
					ql_dbg(ql_dbg_init, vha, 0x00ca,
					    "Re-starting firmware -- BPM.\n");
					/* Best-effort - re-init. */
					ha->isp_ops->reset_chip(vha);
					ha->isp_ops->chip_diag(vha);
					goto execute_fw_with_lr;
				}
3691

3692 3693
				if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
				    IS_QLA28XX(ha)) &&
3694 3695 3696 3697
				    (ha->zio_mode == QLA_ZIO_MODE_6))
					qla27xx_set_zio_threshold(vha,
					    ha->last_zio_threshold);

3698 3699 3700 3701
				rval = qla2x00_set_exlogins_buffer(vha);
				if (rval != QLA_SUCCESS)
					goto failed;

3702 3703 3704 3705
				rval = qla2x00_set_exchoffld_buffer(vha);
				if (rval != QLA_SUCCESS)
					goto failed;

3706
enable_82xx_npiv:
3707
				fw_major_version = ha->fw_major_version;
3708
				if (IS_P3P_TYPE(ha))
3709
					qla82xx_check_md_needed(vha);
3710 3711
				else
					rval = qla2x00_get_fw_version(vha);
3712 3713
				if (rval != QLA_SUCCESS)
					goto failed;
3714
				ha->flags.npiv_supported = 0;
3715
				if (IS_QLA2XXX_MIDTYPE(ha) &&
3716
					 (ha->fw_attributes & BIT_2)) {
3717
					ha->flags.npiv_supported = 1;
3718 3719
					if ((!ha->max_npiv_vports) ||
					    ((ha->max_npiv_vports + 1) %
3720
					    MIN_MULTI_ID_FABRIC))
3721
						ha->max_npiv_vports =
3722
						    MIN_MULTI_ID_FABRIC - 1;
3723
				}
3724
				qla2x00_get_resource_cnts(vha);
3725

3726 3727 3728 3729 3730 3731 3732 3733 3734
				/*
				 * Allocate the array of outstanding commands
				 * now that we know the firmware resources.
				 */
				rval = qla2x00_alloc_outstanding_cmds(ha,
				    vha->req);
				if (rval != QLA_SUCCESS)
					goto failed;

3735 3736 3737 3738
				if (!fw_major_version && !(IS_P3P_TYPE(ha)))
					qla2x00_alloc_offload_mem(vha);

				if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3739
					qla2x00_alloc_fw_dump(vha);
3740

3741 3742
			} else {
				goto failed;
L
Linus Torvalds 已提交
3743 3744
			}
		} else {
3745 3746 3747
			ql_log(ql_log_fatal, vha, 0x00cd,
			    "ISP Firmware failed checksum.\n");
			goto failed;
L
Linus Torvalds 已提交
3748
		}
3749 3750

		/* Enable PUREX PASSTHRU */
3751
		if (ql2xrdpenable)
3752
			qla25xx_set_els_cmds_supported(vha);
3753 3754
	} else
		goto failed;
L
Linus Torvalds 已提交
3755

3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768
	if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
		/* Enable proper parity. */
		spin_lock_irqsave(&ha->hardware_lock, flags);
		if (IS_QLA2300(ha))
			/* SRAM parity */
			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
		else
			/* SRAM, Instruction RAM and GP RAM parity */
			WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
		RD_REG_WORD(&reg->hccr);
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
	}

3769
	if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
3770 3771
		ha->flags.fac_supported = 1;
	else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3772 3773 3774 3775 3776 3777 3778
		uint32_t size;

		rval = qla81xx_fac_get_sector_size(vha, &size);
		if (rval == QLA_SUCCESS) {
			ha->flags.fac_supported = 1;
			ha->fdt_block_size = size << 2;
		} else {
3779
			ql_log(ql_log_warn, vha, 0x00ce,
3780 3781 3782
			    "Unsupported FAC firmware (%d.%02d.%02d).\n",
			    ha->fw_major_version, ha->fw_minor_version,
			    ha->fw_subminor_version);
3783

3784 3785
			if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
			    IS_QLA28XX(ha)) {
3786 3787 3788
				ha->flags.fac_supported = 0;
				rval = QLA_SUCCESS;
			}
3789 3790
		}
	}
3791
failed:
L
Linus Torvalds 已提交
3792
	if (rval) {
3793 3794
		ql_log(ql_log_fatal, vha, 0x00cf,
		    "Setup chip ****FAILED****.\n");
L
Linus Torvalds 已提交
3795 3796 3797 3798 3799 3800 3801
	}

	return (rval);
}

/**
 * qla2x00_init_response_q_entries() - Initializes response queue entries.
3802
 * @rsp: response queue
L
Linus Torvalds 已提交
3803 3804 3805 3806 3807 3808
 *
 * Beginning of request ring has initialization control block already built
 * by nvram config routine.
 *
 * Returns 0 on success.
 */
3809 3810
void
qla2x00_init_response_q_entries(struct rsp_que *rsp)
L
Linus Torvalds 已提交
3811 3812 3813 3814
{
	uint16_t cnt;
	response_t *pkt;

3815 3816 3817
	rsp->ring_ptr = rsp->ring;
	rsp->ring_index    = 0;
	rsp->status_srb = NULL;
3818 3819
	pkt = rsp->ring_ptr;
	for (cnt = 0; cnt < rsp->length; cnt++) {
L
Linus Torvalds 已提交
3820 3821 3822 3823 3824 3825 3826
		pkt->signature = RESPONSE_PROCESSED;
		pkt++;
	}
}

/**
 * qla2x00_update_fw_options() - Read and process firmware options.
3827
 * @vha: HA context
L
Linus Torvalds 已提交
3828 3829 3830
 *
 * Returns 0 on success.
 */
3831
void
3832
qla2x00_update_fw_options(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3833 3834
{
	uint16_t swing, emphasis, tx_sens, rx_sens;
3835
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
3836 3837

	memset(ha->fw_options, 0, sizeof(ha->fw_options));
3838
	qla2x00_get_fw_options(vha, ha->fw_options);
L
Linus Torvalds 已提交
3839 3840 3841 3842 3843

	if (IS_QLA2100(ha) || IS_QLA2200(ha))
		return;

	/* Serial Link options. */
3844 3845 3846
	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
	    "Serial link options.\n");
	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3847
	    ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
L
Linus Torvalds 已提交
3848 3849 3850 3851 3852 3853 3854 3855 3856 3857

	ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
	if (ha->fw_seriallink_options[3] & BIT_2) {
		ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;

		/*  1G settings */
		swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
		emphasis = (ha->fw_seriallink_options[2] &
		    (BIT_4 | BIT_3)) >> 3;
		tx_sens = ha->fw_seriallink_options[0] &
3858
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
L
Linus Torvalds 已提交
3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875
		rx_sens = (ha->fw_seriallink_options[0] &
		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
		ha->fw_options[10] = (emphasis << 14) | (swing << 8);
		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
			if (rx_sens == 0x0)
				rx_sens = 0x3;
			ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->fw_options[10] |= BIT_5 |
			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
			    (tx_sens & (BIT_1 | BIT_0));

		/*  2G settings */
		swing = (ha->fw_seriallink_options[2] &
		    (BIT_7 | BIT_6 | BIT_5)) >> 5;
		emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
		tx_sens = ha->fw_seriallink_options[1] &
3876
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
L
Linus Torvalds 已提交
3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897
		rx_sens = (ha->fw_seriallink_options[1] &
		    (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
		ha->fw_options[11] = (emphasis << 14) | (swing << 8);
		if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
			if (rx_sens == 0x0)
				rx_sens = 0x3;
			ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
		} else if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->fw_options[11] |= BIT_5 |
			    ((rx_sens & (BIT_1 | BIT_0)) << 2) |
			    (tx_sens & (BIT_1 | BIT_0));
	}

	/* FCP2 options. */
	/*  Return command IOCBs without waiting for an ABTS to complete. */
	ha->fw_options[3] |= BIT_13;

	/* LED scheme. */
	if (ha->flags.enable_led_scheme)
		ha->fw_options[2] |= BIT_12;

3898 3899 3900 3901
	/* Detect ISP6312. */
	if (IS_QLA6312(ha))
		ha->fw_options[2] |= BIT_13;

3902 3903 3904 3905 3906 3907 3908 3909
	/* Set Retry FLOGI in case of P2P connection */
	if (ha->operating_mode == P2P) {
		ha->fw_options[2] |= BIT_3;
		ql_dbg(ql_dbg_disc, vha, 0x2100,
		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
			__func__, ha->fw_options[2]);
	}

L
Linus Torvalds 已提交
3910
	/* Update firmware options. */
3911
	qla2x00_set_fw_options(vha, ha->fw_options);
L
Linus Torvalds 已提交
3912 3913
}

3914
void
3915
qla24xx_update_fw_options(scsi_qla_host_t *vha)
3916 3917
{
	int rval;
3918
	struct qla_hw_data *ha = vha->hw;
3919

3920
	if (IS_P3P_TYPE(ha))
3921 3922
		return;

3923 3924 3925 3926
	/*  Hold status IOCBs until ABTS response received. */
	if (ql2xfwholdabts)
		ha->fw_options[3] |= BIT_12;

3927 3928 3929 3930 3931 3932 3933 3934
	/* Set Retry FLOGI in case of P2P connection */
	if (ha->operating_mode == P2P) {
		ha->fw_options[2] |= BIT_3;
		ql_dbg(ql_dbg_disc, vha, 0x2101,
		    "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
			__func__, ha->fw_options[2]);
	}

3935
	/* Move PUREX, ABTS RX & RIDA to ATIOQ */
3936
	if (ql2xmvasynctoatio &&
3937
	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
3938 3939 3940 3941 3942 3943 3944
		if (qla_tgt_mode_enabled(vha) ||
		    qla_dual_mode_enabled(vha))
			ha->fw_options[2] |= BIT_11;
		else
			ha->fw_options[2] &= ~BIT_11;
	}

3945 3946
	if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
	    IS_QLA28XX(ha)) {
3947 3948 3949 3950 3951 3952 3953 3954 3955
		/*
		 * Tell FW to track each exchange to prevent
		 * driver from using stale exchange.
		 */
		if (qla_tgt_mode_enabled(vha) ||
		    qla_dual_mode_enabled(vha))
			ha->fw_options[2] |= BIT_4;
		else
			ha->fw_options[2] &= ~BIT_4;
3956 3957 3958 3959 3960 3961

		/* Reserve 1/2 of emergency exchanges for ELS.*/
		if (qla2xuseresexchforels)
			ha->fw_options[2] |= BIT_8;
		else
			ha->fw_options[2] &= ~BIT_8;
3962 3963
	}

3964 3965 3966
	if (ql2xrdpenable)
		ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;

3967 3968 3969 3970
	/* Enable Async 8130/8131 events -- transceiver insertion/removal */
	if (IS_BPM_RANGE_CAPABLE(ha))
		ha->fw_options[3] |= BIT_10;

3971 3972 3973 3974
	ql_dbg(ql_dbg_init, vha, 0x00e8,
	    "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
	    __func__, ha->fw_options[1], ha->fw_options[2],
	    ha->fw_options[3], vha->host->active_mode);
3975 3976 3977

	if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
		qla2x00_set_fw_options(vha, ha->fw_options);
3978

3979
	/* Update Serial Link options. */
3980
	if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3981
		return;
3982

3983
	rval = qla2x00_set_serdes_params(vha,
3984 3985 3986
	    le16_to_cpu(ha->fw_seriallink_options24[1]),
	    le16_to_cpu(ha->fw_seriallink_options24[2]),
	    le16_to_cpu(ha->fw_seriallink_options24[3]));
3987
	if (rval != QLA_SUCCESS) {
3988
		ql_log(ql_log_warn, vha, 0x0104,
3989 3990 3991 3992
		    "Unable to update Serial Link options (%x).\n", rval);
	}
}

3993
void
3994
qla2x00_config_rings(struct scsi_qla_host *vha)
3995
{
3996
	struct qla_hw_data *ha = vha->hw;
3997
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3998 3999
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];
4000 4001

	/* Setup ring parameters in initialization control block. */
4002 4003
	ha->init_cb->request_q_outpointer = cpu_to_le16(0);
	ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4004 4005
	ha->init_cb->request_q_length = cpu_to_le16(req->length);
	ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4006 4007
	put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
	put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4008 4009 4010 4011 4012 4013 4014 4015

	WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
	WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
	WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
	WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
	RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));		/* PCI Posting. */
}

4016
void
4017
qla24xx_config_rings(struct scsi_qla_host *vha)
4018
{
4019
	struct qla_hw_data *ha = vha->hw;
4020
	device_reg_t *reg = ISP_QUE_REG(ha, 0);
4021 4022
	struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
	struct qla_msix_entry *msix;
4023
	struct init_cb_24xx *icb;
4024 4025 4026
	uint16_t rid = 0;
	struct req_que *req = ha->req_q_map[0];
	struct rsp_que *rsp = ha->rsp_q_map[0];
4027

4028
	/* Setup ring parameters in initialization control block. */
4029
	icb = (struct init_cb_24xx *)ha->init_cb;
4030 4031
	icb->request_q_outpointer = cpu_to_le16(0);
	icb->response_q_inpointer = cpu_to_le16(0);
4032 4033
	icb->request_q_length = cpu_to_le16(req->length);
	icb->response_q_length = cpu_to_le16(rsp->length);
4034 4035
	put_unaligned_le64(req->dma, &icb->request_q_address);
	put_unaligned_le64(rsp->dma, &icb->response_q_address);
4036

4037
	/* Setup ATIO queue dma pointers for target mode */
4038
	icb->atio_q_inpointer = cpu_to_le16(0);
4039
	icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4040
	put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4041

4042
	if (IS_SHADOW_REG_CAPABLE(ha))
4043
		icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4044

4045 4046
	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
	    IS_QLA28XX(ha)) {
4047 4048
		icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
		icb->rid = cpu_to_le16(rid);
4049 4050
		if (ha->flags.msix_enabled) {
			msix = &ha->msix_entries[1];
4051
			ql_dbg(ql_dbg_init, vha, 0x0019,
4052 4053
			    "Registering vector 0x%x for base que.\n",
			    msix->entry);
4054 4055 4056 4057
			icb->msix = cpu_to_le16(msix->entry);
		}
		/* Use alternate PCI bus number */
		if (MSB(rid))
4058
			icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4059 4060
		/* Use alternate PCI devfn */
		if (LSB(rid))
4061
			icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4062

4063
		/* Use Disable MSIX Handshake mode for capable adapters */
4064 4065
		if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
		    (ha->flags.msix_enabled)) {
4066
			icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4067
			ha->flags.disable_msix_handshake = 1;
4068 4069
			ql_dbg(ql_dbg_init, vha, 0x00fe,
			    "MSIX Handshake Disable Mode turned on.\n");
4070
		} else {
4071
			icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4072
		}
4073
		icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084

		WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
		WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
		WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
		WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
	} else {
		WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
		WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
		WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
		WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
	}
4085

4086
	qlt_24xx_config_rings(vha);
4087

4088 4089 4090 4091 4092 4093 4094 4095
	/* If the user has configured the speed, set it here */
	if (ha->set_data_rate) {
		ql_dbg(ql_dbg_init, vha, 0x00fd,
		    "Speed set by user : %s Gbps \n",
		    qla2x00_get_link_speed_str(ha, ha->set_data_rate));
		icb->firmware_options_3 = (ha->set_data_rate << 13);
	}

4096 4097
	/* PCI posting */
	RD_REG_DWORD(&ioreg->hccr);
4098 4099
}

L
Linus Torvalds 已提交
4100 4101
/**
 * qla2x00_init_rings() - Initializes firmware.
4102
 * @vha: HA context
L
Linus Torvalds 已提交
4103 4104 4105 4106 4107 4108
 *
 * Beginning of request ring has initialization control block already built
 * by nvram config routine.
 *
 * Returns 0 on success.
 */
4109
int
4110
qla2x00_init_rings(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
4111 4112 4113
{
	int	rval;
	unsigned long flags = 0;
4114
	int cnt, que;
4115
	struct qla_hw_data *ha = vha->hw;
4116 4117
	struct req_que *req;
	struct rsp_que *rsp;
4118 4119
	struct mid_init_cb_24xx *mid_init_cb =
	    (struct mid_init_cb_24xx *) ha->init_cb;
L
Linus Torvalds 已提交
4120 4121 4122 4123

	spin_lock_irqsave(&ha->hardware_lock, flags);

	/* Clear outstanding commands array. */
4124
	for (que = 0; que < ha->max_req_queues; que++) {
4125
		req = ha->req_q_map[que];
4126
		if (!req || !test_bit(que, ha->req_qid_map))
4127
			continue;
4128 4129
		req->out_ptr = (void *)(req->ring + req->length);
		*req->out_ptr = 0;
4130
		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4131
			req->outstanding_cmds[cnt] = NULL;
L
Linus Torvalds 已提交
4132

4133
		req->current_outstanding_cmd = 1;
L
Linus Torvalds 已提交
4134

4135 4136 4137 4138 4139
		/* Initialize firmware. */
		req->ring_ptr  = req->ring;
		req->ring_index    = 0;
		req->cnt      = req->length;
	}
L
Linus Torvalds 已提交
4140

4141
	for (que = 0; que < ha->max_rsp_queues; que++) {
4142
		rsp = ha->rsp_q_map[que];
4143
		if (!rsp || !test_bit(que, ha->rsp_qid_map))
4144
			continue;
4145 4146
		rsp->in_ptr = (void *)(rsp->ring + rsp->length);
		*rsp->in_ptr = 0;
4147
		/* Initialize response queue entries */
4148 4149 4150 4151
		if (IS_QLAFX00(ha))
			qlafx00_init_response_q_entries(rsp);
		else
			qla2x00_init_response_q_entries(rsp);
4152
	}
L
Linus Torvalds 已提交
4153

4154 4155 4156 4157 4158
	ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
	ha->tgt.atio_ring_index = 0;
	/* Initialize ATIO queue entries */
	qlt_init_atio_q_entries(vha);

4159
	ha->isp_ops->config_rings(vha);
L
Linus Torvalds 已提交
4160 4161 4162

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

4163 4164 4165 4166 4167 4168 4169
	ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");

	if (IS_QLAFX00(ha)) {
		rval = qlafx00_init_firmware(vha, ha->init_cb_size);
		goto next_check;
	}

L
Linus Torvalds 已提交
4170
	/* Update any ISP specific firmware options before initialization. */
4171
	ha->isp_ops->update_fw_options(vha);
L
Linus Torvalds 已提交
4172

4173
	if (ha->flags.npiv_supported) {
4174
		if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4175
			ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4176
		mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4177 4178
	}

4179
	if (IS_FWI2_CAPABLE(ha)) {
4180
		mid_init_cb->options = cpu_to_le16(BIT_1);
4181
		mid_init_cb->init_cb.execution_throttle =
4182
		    cpu_to_le16(ha->cur_fw_xcb_count);
4183 4184 4185 4186 4187
		ha->flags.dport_enabled =
		    (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
		ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
		    (ha->flags.dport_enabled) ? "enabled" : "disabled");
		/* FA-WWPN Status */
4188
		ha->flags.fawwpn_enabled =
4189
		    (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
4190
		ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4191
		    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4192
	}
4193

4194
	rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4195
next_check:
L
Linus Torvalds 已提交
4196
	if (rval) {
4197 4198
		ql_log(ql_log_fatal, vha, 0x00d2,
		    "Init Firmware **** FAILED ****.\n");
L
Linus Torvalds 已提交
4199
	} else {
4200 4201
		ql_dbg(ql_dbg_init, vha, 0x00d3,
		    "Init Firmware -- success.\n");
4202
		QLA_FW_STARTED(ha);
4203
		vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
L
Linus Torvalds 已提交
4204 4205 4206 4207 4208 4209 4210
	}

	return (rval);
}

/**
 * qla2x00_fw_ready() - Waits for firmware ready.
4211
 * @vha: HA context
L
Linus Torvalds 已提交
4212 4213 4214 4215
 *
 * Returns 0 on success.
 */
static int
4216
qla2x00_fw_ready(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
4217 4218
{
	int		rval;
4219
	unsigned long	wtime, mtime, cs84xx_time;
L
Linus Torvalds 已提交
4220 4221
	uint16_t	min_wait;	/* Minimum wait time if loop is down */
	uint16_t	wait_time;	/* Wait time if loop is coming ready */
4222
	uint16_t	state[6];
4223
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
4224

4225 4226 4227
	if (IS_QLAFX00(vha->hw))
		return qlafx00_fw_ready(vha);

L
Linus Torvalds 已提交
4228 4229
	rval = QLA_SUCCESS;

4230 4231 4232 4233 4234
	/* Time to wait for loop down */
	if (IS_P3P_TYPE(ha))
		min_wait = 30;
	else
		min_wait = 20;
L
Linus Torvalds 已提交
4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250

	/*
	 * Firmware should take at most one RATOV to login, plus 5 seconds for
	 * our own processing.
	 */
	if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
		wait_time = min_wait;
	}

	/* Min wait time if loop down */
	mtime = jiffies + (min_wait * HZ);

	/* wait time before firmware ready */
	wtime = jiffies + (wait_time * HZ);

	/* Wait for ISP to finish LIP */
4251
	if (!vha->flags.init_done)
4252 4253
		ql_log(ql_log_info, vha, 0x801e,
		    "Waiting for LIP to complete.\n");
L
Linus Torvalds 已提交
4254 4255

	do {
4256
		memset(state, -1, sizeof(state));
4257
		rval = qla2x00_get_firmware_state(vha, state);
L
Linus Torvalds 已提交
4258
		if (rval == QLA_SUCCESS) {
4259
			if (state[0] < FSTATE_LOSS_OF_SYNC) {
4260
				vha->device_flags &= ~DFLG_NO_CABLE;
L
Linus Torvalds 已提交
4261
			}
4262
			if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4263 4264 4265
				ql_dbg(ql_dbg_taskm, vha, 0x801f,
				    "fw_state=%x 84xx=%x.\n", state[0],
				    state[2]);
4266 4267
				if ((state[2] & FSTATE_LOGGED_IN) &&
				     (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4268 4269
					ql_dbg(ql_dbg_taskm, vha, 0x8028,
					    "Sending verify iocb.\n");
4270 4271

					cs84xx_time = jiffies;
4272
					rval = qla84xx_init_chip(vha);
4273 4274
					if (rval != QLA_SUCCESS) {
						ql_log(ql_log_warn,
4275
						    vha, 0x8007,
4276
						    "Init chip failed.\n");
4277
						break;
4278
					}
4279 4280 4281 4282 4283

					/* Add time taken to initialize. */
					cs84xx_time = jiffies - cs84xx_time;
					wtime += cs84xx_time;
					mtime += cs84xx_time;
4284
					ql_dbg(ql_dbg_taskm, vha, 0x8008,
4285 4286 4287
					    "Increasing wait time by %ld. "
					    "New time %ld.\n", cs84xx_time,
					    wtime);
4288 4289
				}
			} else if (state[0] == FSTATE_READY) {
4290 4291
				ql_dbg(ql_dbg_taskm, vha, 0x8037,
				    "F/W Ready - OK.\n");
L
Linus Torvalds 已提交
4292

4293
				qla2x00_get_retry_cnt(vha, &ha->retry_count,
L
Linus Torvalds 已提交
4294 4295 4296 4297 4298 4299 4300 4301
				    &ha->login_timeout, &ha->r_a_tov);

				rval = QLA_SUCCESS;
				break;
			}

			rval = QLA_FUNCTION_FAILED;

4302
			if (atomic_read(&vha->loop_down_timer) &&
4303
			    state[0] != FSTATE_READY) {
L
Linus Torvalds 已提交
4304
				/* Loop down. Timeout on min_wait for states
4305 4306
				 * other than Wait for Login.
				 */
L
Linus Torvalds 已提交
4307
				if (time_after_eq(jiffies, mtime)) {
4308
					ql_log(ql_log_info, vha, 0x8038,
L
Linus Torvalds 已提交
4309 4310
					    "Cable is unplugged...\n");

4311
					vha->device_flags |= DFLG_NO_CABLE;
L
Linus Torvalds 已提交
4312 4313 4314 4315 4316
					break;
				}
			}
		} else {
			/* Mailbox cmd failed. Timeout on min_wait. */
4317
			if (time_after_eq(jiffies, mtime) ||
4318
				ha->flags.isp82xx_fw_hung)
L
Linus Torvalds 已提交
4319 4320 4321 4322 4323 4324 4325 4326 4327 4328
				break;
		}

		if (time_after_eq(jiffies, wtime))
			break;

		/* Delay for a while */
		msleep(500);
	} while (1);

4329
	ql_dbg(ql_dbg_taskm, vha, 0x803a,
4330 4331
	    "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
	    state[1], state[2], state[3], state[4], state[5], jiffies);
L
Linus Torvalds 已提交
4332

4333
	if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4334 4335
		ql_log(ql_log_warn, vha, 0x803b,
		    "Firmware ready **** FAILED ****.\n");
L
Linus Torvalds 已提交
4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354
	}

	return (rval);
}

/*
*  qla2x00_configure_hba
*      Setup adapter context.
*
* Input:
*      ha = adapter state pointer.
*
* Returns:
*      0 = success
*
* Context:
*      Kernel context.
*/
static int
4355
qla2x00_configure_hba(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
4356 4357 4358 4359
{
	int       rval;
	uint16_t      loop_id;
	uint16_t      topo;
4360
	uint16_t      sw_cap;
L
Linus Torvalds 已提交
4361 4362 4363 4364
	uint8_t       al_pa;
	uint8_t       area;
	uint8_t       domain;
	char		connect_type[22];
4365
	struct qla_hw_data *ha = vha->hw;
4366
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4367
	port_id_t id;
4368
	unsigned long flags;
L
Linus Torvalds 已提交
4369 4370

	/* Get host addresses. */
4371
	rval = qla2x00_get_adapter_id(vha,
4372
	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
L
Linus Torvalds 已提交
4373
	if (rval != QLA_SUCCESS) {
4374
		if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4375
		    IS_CNA_CAPABLE(ha) ||
4376
		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4377 4378
			ql_dbg(ql_dbg_disc, vha, 0x2008,
			    "Loop is in a transition state.\n");
4379
		} else {
4380 4381
			ql_log(ql_log_warn, vha, 0x2009,
			    "Unable to get host loop ID.\n");
4382 4383 4384 4385 4386 4387 4388
			if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
			    (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
				ql_log(ql_log_warn, vha, 0x1151,
				    "Doing link init.\n");
				if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
					return rval;
			}
4389
			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4390
		}
L
Linus Torvalds 已提交
4391 4392 4393 4394
		return (rval);
	}

	if (topo == 4) {
4395 4396
		ql_log(ql_log_info, vha, 0x200a,
		    "Cannot get topology - retrying.\n");
L
Linus Torvalds 已提交
4397 4398 4399
		return (QLA_FUNCTION_FAILED);
	}

4400
	vha->loop_id = loop_id;
L
Linus Torvalds 已提交
4401 4402 4403 4404

	/* initialize */
	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
	ha->operating_mode = LOOP;
4405
	ha->switch_cap = 0;
L
Linus Torvalds 已提交
4406 4407 4408

	switch (topo) {
	case 0:
4409
		ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
L
Linus Torvalds 已提交
4410 4411 4412 4413 4414
		ha->current_topology = ISP_CFG_NL;
		strcpy(connect_type, "(Loop)");
		break;

	case 1:
4415
		ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4416
		ha->switch_cap = sw_cap;
L
Linus Torvalds 已提交
4417 4418 4419 4420 4421
		ha->current_topology = ISP_CFG_FL;
		strcpy(connect_type, "(FL_Port)");
		break;

	case 2:
4422
		ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
L
Linus Torvalds 已提交
4423 4424 4425 4426 4427 4428
		ha->operating_mode = P2P;
		ha->current_topology = ISP_CFG_N;
		strcpy(connect_type, "(N_Port-to-N_Port)");
		break;

	case 3:
4429
		ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4430
		ha->switch_cap = sw_cap;
L
Linus Torvalds 已提交
4431 4432 4433 4434 4435 4436
		ha->operating_mode = P2P;
		ha->current_topology = ISP_CFG_F;
		strcpy(connect_type, "(F_Port)");
		break;

	default:
4437 4438
		ql_dbg(ql_dbg_disc, vha, 0x200f,
		    "HBA in unknown topology %x, using NL.\n", topo);
L
Linus Torvalds 已提交
4439 4440 4441 4442 4443 4444 4445
		ha->current_topology = ISP_CFG_NL;
		strcpy(connect_type, "(Loop)");
		break;
	}

	/* Save Host port and loop ID. */
	/* byte order - Big Endian */
4446 4447 4448 4449
	id.b.domain = domain;
	id.b.area = area;
	id.b.al_pa = al_pa;
	id.b.rsvd_1 = 0;
4450
	spin_lock_irqsave(&ha->hardware_lock, flags);
4451 4452
	if (!(topo == 2 && ha->flags.n2n_bigger))
		qlt_update_host_map(vha, id);
4453
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
4454

4455
	if (!vha->flags.init_done)
4456 4457
		ql_log(ql_log_info, vha, 0x2010,
		    "Topology - %s, Host Loop address 0x%x.\n",
4458
		    connect_type, vha->loop_id);
L
Linus Torvalds 已提交
4459 4460 4461 4462

	return(rval);
}

4463
inline void
4464
qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4465
		       const char *def)
4466 4467 4468
{
	char *st, *en;
	uint16_t index;
4469
	uint64_t zero[2] = { 0 };
4470
	struct qla_hw_data *ha = vha->hw;
4471
	int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4472
	    !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4473

4474 4475 4476
	if (len > sizeof(zero))
		len = sizeof(zero);
	if (memcmp(model, &zero, len) != 0) {
4477
		memcpy(ha->model_number, model, len);
4478 4479 4480 4481 4482 4483 4484 4485 4486
		st = en = ha->model_number;
		en += len - 1;
		while (en > st) {
			if (*en != 0x20 && *en != 0x00)
				break;
			*en-- = '\0';
		}

		index = (ha->pdev->subsystem_device & 0xff);
4487 4488
		if (use_tbl &&
		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4489
		    index < QLA_MODEL_NAMES)
4490
			strlcpy(ha->model_desc,
4491
			    qla2x00_model_name[index * 2 + 1],
4492
			    sizeof(ha->model_desc));
4493 4494
	} else {
		index = (ha->pdev->subsystem_device & 0xff);
4495 4496
		if (use_tbl &&
		    ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4497
		    index < QLA_MODEL_NAMES) {
4498 4499 4500 4501
			strlcpy(ha->model_number,
				qla2x00_model_name[index * 2],
				sizeof(ha->model_number));
			strlcpy(ha->model_desc,
4502
			    qla2x00_model_name[index * 2 + 1],
4503
			    sizeof(ha->model_desc));
4504
		} else {
4505 4506
			strlcpy(ha->model_number, def,
				sizeof(ha->model_number));
4507 4508
		}
	}
4509
	if (IS_FWI2_CAPABLE(ha))
4510
		qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4511
		    sizeof(ha->model_desc));
4512 4513
}

4514 4515 4516
/* On sparc systems, obtain port and node WWN from firmware
 * properties.
 */
4517
static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4518 4519
{
#ifdef CONFIG_SPARC
4520
	struct qla_hw_data *ha = vha->hw;
4521
	struct pci_dev *pdev = ha->pdev;
4522 4523
	struct device_node *dp = pci_device_to_OF_node(pdev);
	const u8 *val;
4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535
	int len;

	val = of_get_property(dp, "port-wwn", &len);
	if (val && len >= WWN_SIZE)
		memcpy(nv->port_name, val, WWN_SIZE);

	val = of_get_property(dp, "node-wwn", &len);
	if (val && len >= WWN_SIZE)
		memcpy(nv->node_name, val, WWN_SIZE);
#endif
}

L
Linus Torvalds 已提交
4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548
/*
* NVRAM configuration for ISP 2xxx
*
* Input:
*      ha                = adapter block pointer.
*
* Output:
*      initialization control block in response_ring
*      host adapters parameters in host adapter block
*
* Returns:
*      0 = success.
*/
4549
int
4550
qla2x00_nvram_config(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
4551
{
4552
	int             rval;
4553 4554 4555
	uint8_t         chksum = 0;
	uint16_t        cnt;
	uint8_t         *dptr1, *dptr2;
4556
	struct qla_hw_data *ha = vha->hw;
4557
	init_cb_t       *icb = ha->init_cb;
4558 4559
	nvram_t         *nv = ha->nvram;
	uint8_t         *ptr = ha->nvram;
4560
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
4561

4562 4563
	rval = QLA_SUCCESS;

L
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4564
	/* Determine NVRAM starting address. */
4565
	ha->nvram_size = sizeof(*nv);
L
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4566 4567 4568 4569 4570 4571
	ha->nvram_base = 0;
	if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
		if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
			ha->nvram_base = 0x80;

	/* Get NVRAM data and calculate checksum. */
4572
	ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4573 4574
	for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
		chksum += *ptr++;
L
Linus Torvalds 已提交
4575

4576 4577 4578
	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
	    "Contents of NVRAM.\n");
	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4579
	    nv, ha->nvram_size);
L
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4580 4581

	/* Bad NVRAM data, set defaults parameters. */
4582 4583
	if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
	    nv->nvram_version < 1) {
L
Linus Torvalds 已提交
4584
		/* Reset NVRAM data. */
4585
		ql_log(ql_log_warn, vha, 0x0064,
4586 4587
		    "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
		    chksum, nv->id, nv->nvram_version);
4588 4589 4590
		ql_log(ql_log_warn, vha, 0x0065,
		    "Falling back to "
		    "functioning (yet invalid -- WWPN) defaults.\n");
4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602

		/*
		 * Set default initialization control block.
		 */
		memset(nv, 0, ha->nvram_size);
		nv->parameter_block_version = ICB_VERSION;

		if (IS_QLA23XX(ha)) {
			nv->firmware_options[0] = BIT_2 | BIT_1;
			nv->firmware_options[1] = BIT_7 | BIT_5;
			nv->add_firmware_options[0] = BIT_5;
			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4603
			nv->frame_payload_size = 2048;
4604 4605 4606 4607 4608 4609
			nv->special_options[1] = BIT_7;
		} else if (IS_QLA2200(ha)) {
			nv->firmware_options[0] = BIT_2 | BIT_1;
			nv->firmware_options[1] = BIT_7 | BIT_5;
			nv->add_firmware_options[0] = BIT_5;
			nv->add_firmware_options[1] = BIT_5 | BIT_4;
4610
			nv->frame_payload_size = 1024;
4611 4612 4613
		} else if (IS_QLA2100(ha)) {
			nv->firmware_options[0] = BIT_3 | BIT_1;
			nv->firmware_options[1] = BIT_5;
4614
			nv->frame_payload_size = 1024;
4615 4616
		}

4617 4618
		nv->max_iocb_allocation = cpu_to_le16(256);
		nv->execution_throttle = cpu_to_le16(16);
4619 4620 4621 4622 4623 4624 4625
		nv->retry_count = 8;
		nv->retry_delay = 1;

		nv->port_name[0] = 33;
		nv->port_name[3] = 224;
		nv->port_name[4] = 139;

4626
		qla2xxx_nvram_wwn_from_ofw(vha, nv);
4627 4628 4629 4630 4631 4632 4633 4634 4635

		nv->login_timeout = 4;

		/*
		 * Set default host adapter parameters
		 */
		nv->host_p[1] = BIT_2;
		nv->reset_delay = 5;
		nv->port_down_retry_count = 8;
4636
		nv->max_luns_per_target = cpu_to_le16(8);
4637 4638 4639
		nv->link_down_timeout = 60;

		rval = 1;
L
Linus Torvalds 已提交
4640 4641 4642
	}

	/* Reset Initialization control block */
4643
	memset(icb, 0, ha->init_cb_size);
L
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4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655

	/*
	 * Setup driver NVRAM options.
	 */
	nv->firmware_options[0] |= (BIT_6 | BIT_1);
	nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
	nv->firmware_options[1] |= (BIT_5 | BIT_0);
	nv->firmware_options[1] &= ~BIT_4;

	if (IS_QLA23XX(ha)) {
		nv->firmware_options[0] |= BIT_2;
		nv->firmware_options[0] &= ~BIT_3;
4656
		nv->special_options[0] &= ~BIT_6;
4657
		nv->add_firmware_options[1] |= BIT_5 | BIT_4;
L
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4658 4659 4660 4661 4662 4663 4664 4665

		if (IS_QLA2300(ha)) {
			if (ha->fb_rev == FPM_2310) {
				strcpy(ha->model_number, "QLA2310");
			} else {
				strcpy(ha->model_number, "QLA2300");
			}
		} else {
4666
			qla2x00_set_model_info(vha, nv->model_number,
4667
			    sizeof(nv->model_number), "QLA23xx");
L
Linus Torvalds 已提交
4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699
		}
	} else if (IS_QLA2200(ha)) {
		nv->firmware_options[0] |= BIT_2;
		/*
		 * 'Point-to-point preferred, else loop' is not a safe
		 * connection mode setting.
		 */
		if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
		    (BIT_5 | BIT_4)) {
			/* Force 'loop preferred, else point-to-point'. */
			nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
			nv->add_firmware_options[0] |= BIT_5;
		}
		strcpy(ha->model_number, "QLA22xx");
	} else /*if (IS_QLA2100(ha))*/ {
		strcpy(ha->model_number, "QLA2100");
	}

	/*
	 * Copy over NVRAM RISC parameter block to initialization control block.
	 */
	dptr1 = (uint8_t *)icb;
	dptr2 = (uint8_t *)&nv->parameter_block_version;
	cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
	while (cnt--)
		*dptr1++ = *dptr2++;

	/* Copy 2nd half. */
	dptr1 = (uint8_t *)icb->add_firmware_options;
	cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
	while (cnt--)
		*dptr1++ = *dptr2++;
4700
	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4701 4702 4703 4704 4705 4706
	/* Use alternate WWN? */
	if (nv->host_p[1] & BIT_7) {
		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
	}

L
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4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719
	/* Prepare nodename */
	if ((icb->firmware_options[1] & BIT_6) == 0) {
		/*
		 * Firmware will apply the following mask if the nodename was
		 * not provided.
		 */
		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
		icb->node_name[0] &= 0xF0;
	}

	/*
	 * Set host adapter parameters.
	 */
4720 4721 4722 4723 4724

	/*
	 * BIT_7 in the host-parameters section allows for modification to
	 * internal driver logging.
	 */
4725
	if (nv->host_p[0] & BIT_7)
4726
		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
L
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4727 4728 4729 4730 4731 4732 4733
	ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
	/* Always load RISC code on non ISP2[12]00 chips. */
	if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
		ha->flags.disable_risc_code_load = 0;
	ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
	ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
	ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4734
	ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4735
	ha->flags.disable_serdes = 0;
L
Linus Torvalds 已提交
4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746

	ha->operating_mode =
	    (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;

	memcpy(ha->fw_seriallink_options, nv->seriallink_options,
	    sizeof(ha->fw_seriallink_options));

	/* save HBA serial number */
	ha->serial0 = icb->port_name[5];
	ha->serial1 = icb->port_name[6];
	ha->serial2 = icb->port_name[7];
4747 4748
	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
L
Linus Torvalds 已提交
4749

4750
	icb->execution_throttle = cpu_to_le16(0xFFFF);
L
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4751 4752 4753 4754

	ha->retry_count = nv->retry_count;

	/* Set minimum login_timeout to 4 seconds. */
4755
	if (nv->login_timeout != ql2xlogintimeout)
L
Linus Torvalds 已提交
4756 4757 4758 4759 4760
		nv->login_timeout = ql2xlogintimeout;
	if (nv->login_timeout < 4)
		nv->login_timeout = 4;
	ha->login_timeout = nv->login_timeout;

4761 4762
	/* Set minimum RATOV to 100 tenths of a second. */
	ha->r_a_tov = 100;
L
Linus Torvalds 已提交
4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774

	ha->loop_reset_delay = nv->reset_delay;

	/* Link Down Timeout = 0:
	 *
	 * 	When Port Down timer expires we will start returning
	 *	I/O's to OS with "DID_NO_CONNECT".
	 *
	 * Link Down Timeout != 0:
	 *
	 *	 The driver waits for the link to come up after link down
	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
4775
	 */
L
Linus Torvalds 已提交
4776 4777
	if (nv->link_down_timeout == 0) {
		ha->loop_down_abort_time =
4778
		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
L
Linus Torvalds 已提交
4779 4780 4781 4782
	} else {
		ha->link_down_timeout =	 nv->link_down_timeout;
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
4783
	}
L
Linus Torvalds 已提交
4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800

	/*
	 * Need enough time to try and get the port back.
	 */
	ha->port_down_retry_count = nv->port_down_retry_count;
	if (qlport_down_retry)
		ha->port_down_retry_count = qlport_down_retry;
	/* Set login_retry_count */
	ha->login_retry_count  = nv->retry_count;
	if (ha->port_down_retry_count == nv->port_down_retry_count &&
	    ha->port_down_retry_count > 3)
		ha->login_retry_count = ha->port_down_retry_count;
	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
		ha->login_retry_count = ha->port_down_retry_count;
	if (ql2xloginretrycount)
		ha->login_retry_count = ql2xloginretrycount;

4801
	icb->lun_enables = cpu_to_le16(0);
L
Linus Torvalds 已提交
4802 4803
	icb->command_resource_count = 0;
	icb->immediate_notify_resource_count = 0;
4804
	icb->timeout = cpu_to_le16(0);
L
Linus Torvalds 已提交
4805 4806 4807 4808 4809 4810 4811 4812 4813 4814

	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
		/* Enable RIO */
		icb->firmware_options[0] &= ~BIT_3;
		icb->add_firmware_options[0] &=
		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
		icb->add_firmware_options[0] |= BIT_2;
		icb->response_accumulation_timer = 3;
		icb->interrupt_delay_timer = 5;

4815
		vha->flags.process_response_queue = 1;
L
Linus Torvalds 已提交
4816
	} else {
4817
		/* Enable ZIO. */
4818
		if (!vha->flags.init_done) {
4819 4820 4821
			ha->zio_mode = icb->add_firmware_options[0] &
			    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
			ha->zio_timer = icb->interrupt_delay_timer ?
4822
			    icb->interrupt_delay_timer : 2;
4823
		}
L
Linus Torvalds 已提交
4824 4825
		icb->add_firmware_options[0] &=
		    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4826
		vha->flags.process_response_queue = 0;
4827
		if (ha->zio_mode != QLA_ZIO_DISABLED) {
4828 4829
			ha->zio_mode = QLA_ZIO_MODE_6;

4830
			ql_log(ql_log_info, vha, 0x0068,
4831 4832
			    "ZIO mode %d enabled; timer delay (%d us).\n",
			    ha->zio_mode, ha->zio_timer * 100);
L
Linus Torvalds 已提交
4833

4834 4835
			icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
			icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4836
			vha->flags.process_response_queue = 1;
L
Linus Torvalds 已提交
4837 4838 4839
		}
	}

4840
	if (rval) {
4841 4842
		ql_log(ql_log_warn, vha, 0x0069,
		    "NVRAM configuration failed.\n");
4843 4844
	}
	return (rval);
L
Linus Torvalds 已提交
4845 4846
}

4847 4848 4849 4850
static void
qla2x00_rport_del(void *data)
{
	fc_port_t *fcport = data;
4851
	struct fc_rport *rport;
4852
	unsigned long flags;
4853

4854
	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4855
	rport = fcport->drport ? fcport->drport : fcport->rport;
4856
	fcport->drport = NULL;
4857
	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4858
	if (rport) {
4859 4860 4861 4862
		ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
		    "%s %8phN. rport %p roles %x\n",
		    __func__, fcport->port_name, rport,
		    rport->roles);
4863

4864
		fc_remote_port_delete(rport);
4865
	}
4866 4867
}

4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884
void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
{
	int old_state;

	old_state = atomic_read(&fcport->state);
	atomic_set(&fcport->state, state);

	/* Don't print state transitions during initial allocation of fcport */
	if (old_state && old_state != state) {
		ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
		       "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
		       fcport->port_name, port_state_str[old_state],
		       port_state_str[state], fcport->d_id.b.domain,
		       fcport->d_id.b.area, fcport->d_id.b.al_pa);
	}
}

L
Linus Torvalds 已提交
4885 4886
/**
 * qla2x00_alloc_fcport() - Allocate a generic fcport.
4887
 * @vha: HA context
L
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4888 4889 4890 4891
 * @flags: allocation flags
 *
 * Returns a pointer to the allocated fcport, or NULL, if none available.
 */
4892
fc_port_t *
4893
qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
L
Linus Torvalds 已提交
4894 4895 4896
{
	fc_port_t *fcport;

4897 4898 4899
	fcport = kzalloc(sizeof(fc_port_t), flags);
	if (!fcport)
		return NULL;
L
Linus Torvalds 已提交
4900

4901 4902 4903 4904 4905 4906 4907 4908 4909 4910
	fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
		sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
		flags);
	if (!fcport->ct_desc.ct_sns) {
		ql_log(ql_log_warn, vha, 0xd049,
		    "Failed to allocate ct_sns request.\n");
		kfree(fcport);
		return NULL;
	}

L
Linus Torvalds 已提交
4911
	/* Setup fcport template structure. */
4912
	fcport->vha = vha;
L
Linus Torvalds 已提交
4913 4914
	fcport->port_type = FCT_UNKNOWN;
	fcport->loop_id = FC_NO_LOOP_ID;
4915
	qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4916
	fcport->supported_classes = FC_COS_UNSPECIFIED;
4917
	fcport->fp_speed = PORT_SPEED_UNKNOWN;
L
Linus Torvalds 已提交
4918

4919 4920 4921 4922
	fcport->disc_state = DSC_DELETED;
	fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
	fcport->deleted = QLA_SESS_DELETED;
	fcport->login_retry = vha->hw->login_retry_count;
4923
	fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4924 4925 4926
	fcport->logout_on_delete = 1;

	if (!fcport->ct_desc.ct_sns) {
4927
		ql_log(ql_log_warn, vha, 0xd049,
4928 4929
		    "Failed to allocate ct_sns request.\n");
		kfree(fcport);
4930
		return NULL;
4931
	}
4932

4933
	INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4934
	INIT_WORK(&fcport->free_work, qlt_free_session_done);
4935
	INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4936 4937 4938
	INIT_LIST_HEAD(&fcport->gnl_entry);
	INIT_LIST_HEAD(&fcport->list);

4939
	return fcport;
L
Linus Torvalds 已提交
4940 4941
}

4942 4943 4944 4945 4946 4947 4948 4949 4950 4951
void
qla2x00_free_fcport(fc_port_t *fcport)
{
	if (fcport->ct_desc.ct_sns) {
		dma_free_coherent(&fcport->vha->hw->pdev->dev,
			sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
			fcport->ct_desc.ct_sns_dma);

		fcport->ct_desc.ct_sns = NULL;
	}
4952 4953
	list_del(&fcport->list);
	qla2x00_clear_loop_id(fcport);
4954 4955 4956
	kfree(fcport);
}

L
Linus Torvalds 已提交
4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969
/*
 * qla2x00_configure_loop
 *      Updates Fibre Channel Device Database with what is actually on loop.
 *
 * Input:
 *      ha                = adapter block pointer.
 *
 * Returns:
 *      0 = success.
 *      1 = error.
 *      2 = database was full and device was not configured.
 */
static int
4970
qla2x00_configure_loop(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
4971 4972 4973
{
	int  rval;
	unsigned long flags, save_flags;
4974
	struct qla_hw_data *ha = vha->hw;
4975

L
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4976 4977 4978
	rval = QLA_SUCCESS;

	/* Get Initiator ID */
4979 4980
	if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
		rval = qla2x00_configure_hba(vha);
L
Linus Torvalds 已提交
4981
		if (rval != QLA_SUCCESS) {
4982 4983
			ql_dbg(ql_dbg_disc, vha, 0x2013,
			    "Unable to configure HBA.\n");
L
Linus Torvalds 已提交
4984 4985 4986 4987
			return (rval);
		}
	}

4988
	save_flags = flags = vha->dpc_flags;
4989 4990
	ql_dbg(ql_dbg_disc, vha, 0x2014,
	    "Configure loop -- dpc flags = 0x%lx.\n", flags);
L
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4991 4992 4993 4994 4995

	/*
	 * If we have both an RSCN and PORT UPDATE pending then handle them
	 * both at the same time.
	 */
4996 4997
	clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
	clear_bit(RSCN_UPDATE, &vha->dpc_flags);
L
Linus Torvalds 已提交
4998

4999 5000
	qla2x00_get_data_rate(vha);

L
Linus Torvalds 已提交
5001
	/* Determine what we need to do */
5002 5003
	if ((ha->current_topology == ISP_CFG_FL ||
	    ha->current_topology == ISP_CFG_F) &&
L
Linus Torvalds 已提交
5004 5005 5006 5007
	    (test_bit(LOCAL_LOOP_UPDATE, &flags))) {

		set_bit(RSCN_UPDATE, &flags);
		clear_bit(LOCAL_LOOP_UPDATE, &flags);
5008

5009 5010
	} else if (ha->current_topology == ISP_CFG_NL ||
		   ha->current_topology == ISP_CFG_N) {
5011 5012
		clear_bit(RSCN_UPDATE, &flags);
		set_bit(LOCAL_LOOP_UPDATE, &flags);
5013
	} else if (!vha->flags.online ||
L
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5014 5015 5016 5017 5018 5019
	    (test_bit(ABORT_ISP_ACTIVE, &flags))) {
		set_bit(RSCN_UPDATE, &flags);
		set_bit(LOCAL_LOOP_UPDATE, &flags);
	}

	if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5020 5021 5022
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
			ql_dbg(ql_dbg_disc, vha, 0x2015,
			    "Loop resync needed, failing.\n");
L
Linus Torvalds 已提交
5023
			rval = QLA_FUNCTION_FAILED;
5024
		} else
5025
			rval = qla2x00_configure_local_loop(vha);
L
Linus Torvalds 已提交
5026 5027 5028
	}

	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5029
		if (LOOP_TRANSITION(vha)) {
5030
			ql_dbg(ql_dbg_disc, vha, 0x2099,
5031
			    "Needs RSCN update and loop transition.\n");
L
Linus Torvalds 已提交
5032
			rval = QLA_FUNCTION_FAILED;
5033
		}
5034 5035
		else
			rval = qla2x00_configure_fabric(vha);
L
Linus Torvalds 已提交
5036 5037 5038
	}

	if (rval == QLA_SUCCESS) {
5039 5040
		if (atomic_read(&vha->loop_down_timer) ||
		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
L
Linus Torvalds 已提交
5041 5042
			rval = QLA_FUNCTION_FAILED;
		} else {
5043
			atomic_set(&vha->loop_state, LOOP_READY);
5044 5045
			ql_dbg(ql_dbg_disc, vha, 0x2069,
			    "LOOP READY.\n");
5046
			ha->flags.fw_init_done = 1;
5047 5048 5049 5050 5051

			/*
			 * Process any ATIO queue entries that came in
			 * while we weren't online.
			 */
5052 5053
			if (qla_tgt_mode_enabled(vha) ||
			    qla_dual_mode_enabled(vha)) {
5054 5055 5056 5057
				spin_lock_irqsave(&ha->tgt.atio_lock, flags);
				qlt_24xx_process_atio_queue(vha, 0);
				spin_unlock_irqrestore(&ha->tgt.atio_lock,
				    flags);
5058
			}
L
Linus Torvalds 已提交
5059 5060 5061 5062
		}
	}

	if (rval) {
5063 5064
		ql_dbg(ql_dbg_disc, vha, 0x206a,
		    "%s *** FAILED ***.\n", __func__);
L
Linus Torvalds 已提交
5065
	} else {
5066 5067
		ql_dbg(ql_dbg_disc, vha, 0x206b,
		    "%s: exiting normally.\n", __func__);
L
Linus Torvalds 已提交
5068 5069
	}

5070
	/* Restore state if a resync event occurred during processing */
5071
	if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
L
Linus Torvalds 已提交
5072
		if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5073
			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5074
		if (test_bit(RSCN_UPDATE, &save_flags)) {
5075
			set_bit(RSCN_UPDATE, &vha->dpc_flags);
5076
		}
L
Linus Torvalds 已提交
5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092
	}

	return (rval);
}

/*
 * qla2x00_configure_local_loop
 *	Updates Fibre Channel Device Database with local loop devices.
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Returns:
 *	0 = success.
 */
static int
5093
qla2x00_configure_local_loop(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
5094 5095 5096 5097 5098 5099 5100 5101
{
	int		rval, rval2;
	int		found_devs;
	int		found;
	fc_port_t	*fcport, *new_fcport;

	uint16_t	index;
	uint16_t	entries;
5102
	struct gid_list_info *gid;
L
Linus Torvalds 已提交
5103 5104
	uint16_t	loop_id;
	uint8_t		domain, area, al_pa;
5105
	struct qla_hw_data *ha = vha->hw;
5106
	unsigned long flags;
L
Linus Torvalds 已提交
5107

5108
	/* Inititae N2N login. */
5109 5110 5111
	if (N2N_TOPO(ha)) {
		if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
			/* borrowing */
5112
			u32 *bp, sz;
5113 5114 5115 5116 5117 5118 5119

			memset(ha->init_cb, 0, ha->init_cb_size);
			sz = min_t(int, sizeof(struct els_plogi_payload),
			    ha->init_cb_size);
			rval = qla24xx_get_port_login_templ(vha,
			    ha->init_cb_dma, (void *)ha->init_cb, sz);
			if (rval == QLA_SUCCESS) {
5120 5121
				__be32 *q = &ha->plogi_els_payld.data[0];

5122
				bp = (uint32_t *)ha->init_cb;
5123
				cpu_to_be32_array(q, bp, sz / 4);
5124

5125
				memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146
			} else {
				ql_dbg(ql_dbg_init, vha, 0x00d1,
				    "PLOGI ELS param read fail.\n");
				goto skip_login;
			}
		}

		list_for_each_entry(fcport, &vha->vp_fcports, list) {
			if (fcport->n2n_flag) {
				qla24xx_fcport_handle_login(vha, fcport);
				return QLA_SUCCESS;
			}
		}
skip_login:
		spin_lock_irqsave(&vha->work_lock, flags);
		vha->scan.scan_retry++;
		spin_unlock_irqrestore(&vha->work_lock, flags);

		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5147
		}
5148
		return QLA_FUNCTION_FAILED;
5149 5150
	}

L
Linus Torvalds 已提交
5151 5152
	found_devs = 0;
	new_fcport = NULL;
5153
	entries = MAX_FIBRE_DEVICES_LOOP;
L
Linus Torvalds 已提交
5154 5155

	/* Get list of logged in devices. */
5156
	memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5157
	rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
L
Linus Torvalds 已提交
5158 5159
	    &entries);
	if (rval != QLA_SUCCESS)
5160
		goto err;
L
Linus Torvalds 已提交
5161

5162
	ql_dbg(ql_dbg_disc, vha, 0x2011,
5163 5164
	    "Entries in ID list (%d).\n", entries);
	ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5165
	    ha->gid_list, entries * sizeof(*ha->gid_list));
L
Linus Torvalds 已提交
5166

5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179
	if (entries == 0) {
		spin_lock_irqsave(&vha->work_lock, flags);
		vha->scan.scan_retry++;
		spin_unlock_irqrestore(&vha->work_lock, flags);

		if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		}
	} else {
		vha->scan.scan_retry = 0;
	}

5180 5181 5182 5183
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		fcport->scan_state = QLA_FCPORT_SCAN;
	}

L
Linus Torvalds 已提交
5184
	/* Allocate temporary fcport for any new fcports discovered. */
5185
	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
L
Linus Torvalds 已提交
5186
	if (new_fcport == NULL) {
5187
		ql_log(ql_log_warn, vha, 0x2012,
5188
		    "Memory allocation failed for fcport.\n");
L
Linus Torvalds 已提交
5189
		rval = QLA_MEMORY_ALLOC_FAILED;
5190
		goto err;
L
Linus Torvalds 已提交
5191 5192 5193 5194
	}
	new_fcport->flags &= ~FCF_FABRIC_DEVICE;

	/* Add devices to port list. */
5195
	gid = ha->gid_list;
L
Linus Torvalds 已提交
5196
	for (index = 0; index < entries; index++) {
5197 5198 5199
		domain = gid->domain;
		area = gid->area;
		al_pa = gid->al_pa;
5200
		if (IS_QLA2100(ha) || IS_QLA2200(ha))
5201
			loop_id = gid->loop_id_2100;
5202
		else
5203 5204
			loop_id = le16_to_cpu(gid->loop_id);
		gid = (void *)gid + ha->gid_list_info_size;
L
Linus Torvalds 已提交
5205 5206 5207 5208 5209

		/* Bypass reserved domain fields. */
		if ((domain & 0xf0) == 0xf0)
			continue;

5210 5211 5212 5213 5214 5215 5216
		/* Bypass if not same domain and area of adapter. */
		if (area && domain && ((area != vha->d_id.b.area) ||
		    (domain != vha->d_id.b.domain)) &&
		    (ha->current_topology == ISP_CFG_NL))
			continue;


L
Linus Torvalds 已提交
5217 5218 5219 5220
		/* Bypass invalid local loop ID. */
		if (loop_id > LAST_LOCAL_LOOP_ID)
			continue;

5221
		memset(new_fcport->port_name, 0, WWN_SIZE);
5222

L
Linus Torvalds 已提交
5223 5224 5225 5226 5227
		/* Fill in member data. */
		new_fcport->d_id.b.domain = domain;
		new_fcport->d_id.b.area = area;
		new_fcport->d_id.b.al_pa = al_pa;
		new_fcport->loop_id = loop_id;
5228
		new_fcport->scan_state = QLA_FCPORT_FOUND;
5229

5230
		rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
L
Linus Torvalds 已提交
5231
		if (rval2 != QLA_SUCCESS) {
5232
			ql_dbg(ql_dbg_disc, vha, 0x2097,
5233 5234 5235
			    "Failed to retrieve fcport information "
			    "-- get_port_database=%x, loop_id=0x%04x.\n",
			    rval2, new_fcport->loop_id);
5236 5237 5238 5239 5240 5241 5242
			/* Skip retry if N2N */
			if (ha->current_topology != ISP_CFG_N) {
				ql_dbg(ql_dbg_disc, vha, 0x2105,
				    "Scheduling resync.\n");
				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
				continue;
			}
L
Linus Torvalds 已提交
5243 5244
		}

5245
		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
L
Linus Torvalds 已提交
5246 5247 5248
		/* Check for matching device in port list. */
		found = 0;
		fcport = NULL;
5249
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
L
Linus Torvalds 已提交
5250 5251 5252 5253
			if (memcmp(new_fcport->port_name, fcport->port_name,
			    WWN_SIZE))
				continue;

5254
			fcport->flags &= ~FCF_FABRIC_DEVICE;
L
Linus Torvalds 已提交
5255 5256 5257 5258 5259
			fcport->loop_id = new_fcport->loop_id;
			fcport->port_type = new_fcport->port_type;
			fcport->d_id.b24 = new_fcport->d_id.b24;
			memcpy(fcport->node_name, new_fcport->node_name,
			    WWN_SIZE);
5260
			fcport->scan_state = QLA_FCPORT_FOUND;
L
Linus Torvalds 已提交
5261 5262 5263 5264 5265 5266
			found++;
			break;
		}

		if (!found) {
			/* New device, add to fcports list. */
5267
			list_add_tail(&new_fcport->list, &vha->vp_fcports);
L
Linus Torvalds 已提交
5268 5269 5270

			/* Allocate a new replacement fcport. */
			fcport = new_fcport;
5271 5272 5273

			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

5274
			new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5275

L
Linus Torvalds 已提交
5276
			if (new_fcport == NULL) {
5277
				ql_log(ql_log_warn, vha, 0xd031,
5278
				    "Failed to allocate memory for fcport.\n");
L
Linus Torvalds 已提交
5279
				rval = QLA_MEMORY_ALLOC_FAILED;
5280
				goto err;
L
Linus Torvalds 已提交
5281
			}
5282
			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
L
Linus Torvalds 已提交
5283 5284 5285
			new_fcport->flags &= ~FCF_FABRIC_DEVICE;
		}

5286 5287
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

5288
		/* Base iIDMA settings on HBA port speed. */
5289
		fcport->fp_speed = ha->link_data_rate;
5290

L
Linus Torvalds 已提交
5291 5292 5293
		found_devs++;
	}

5294 5295 5296 5297 5298 5299 5300 5301 5302
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;

		if (fcport->scan_state == QLA_FCPORT_SCAN) {
			if ((qla_dual_mode_enabled(vha) ||
			    qla_ini_mode_enabled(vha)) &&
			    atomic_read(&fcport->state) == FCS_ONLINE) {
				qla2x00_mark_device_lost(vha, fcport,
5303
					ql2xplogiabsentdevice);
5304 5305 5306 5307 5308 5309 5310 5311 5312
				if (fcport->loop_id != FC_NO_LOOP_ID &&
				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
				    fcport->port_type != FCT_INITIATOR &&
				    fcport->port_type != FCT_BROADCAST) {
					ql_dbg(ql_dbg_disc, vha, 0x20f0,
					    "%s %d %8phC post del sess\n",
					    __func__, __LINE__,
					    fcport->port_name);

5313
					qlt_schedule_sess_for_deletion(fcport);
5314 5315 5316 5317 5318 5319 5320 5321 5322
					continue;
				}
			}
		}

		if (fcport->scan_state == QLA_FCPORT_FOUND)
			qla24xx_fcport_handle_login(vha, fcport);
	}

5323
	qla2x00_free_fcport(new_fcport);
L
Linus Torvalds 已提交
5324

5325
	return rval;
L
Linus Torvalds 已提交
5326

5327 5328 5329 5330
err:
	ql_dbg(ql_dbg_disc, vha, 0x2098,
	       "Configure local loop error exit: rval=%x.\n", rval);
	return rval;
L
Linus Torvalds 已提交
5331 5332
}

5333
static void
5334
qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5335 5336
{
	int rval;
5337
	uint16_t mb[MAILBOX_REGISTER_COUNT];
5338
	struct qla_hw_data *ha = vha->hw;
5339

5340
	if (!IS_IIDMA_CAPABLE(ha))
5341 5342
		return;

5343 5344 5345
	if (atomic_read(&fcport->state) != FCS_ONLINE)
		return;

5346
	if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5347 5348
	    fcport->fp_speed > ha->link_data_rate ||
	    !ha->flags.gpsc_supported)
5349 5350
		return;

5351
	rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5352
	    mb);
5353
	if (rval != QLA_SUCCESS) {
5354
		ql_dbg(ql_dbg_disc, vha, 0x2004,
5355 5356
		    "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
		    fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5357
	} else {
5358
		ql_dbg(ql_dbg_disc, vha, 0x2005,
5359
		    "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5360
		    qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5361
		    fcport->fp_speed, fcport->port_name);
5362 5363 5364
	}
}

5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382
void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	qla2x00_iidma_fcport(vha, fcport);
	qla24xx_update_fcport_fcp_prio(vha, fcport);
}

int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;
	return qla2x00_post_work(vha, e);
}

5383
/* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5384
static void
5385
qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5386 5387
{
	struct fc_rport_identifiers rport_ids;
5388
	struct fc_rport *rport;
5389
	unsigned long flags;
5390

5391 5392 5393
	if (atomic_read(&fcport->state) == FCS_ONLINE)
		return;

5394 5395
	rport_ids.node_name = wwn_to_u64(fcport->node_name);
	rport_ids.port_name = wwn_to_u64(fcport->port_name);
5396 5397
	rport_ids.port_id = fcport->d_id.b.domain << 16 |
	    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5398
	rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5399
	fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5400
	if (!rport) {
5401 5402
		ql_log(ql_log_warn, vha, 0x2006,
		    "Unable to allocate fc remote port.\n");
5403 5404
		return;
	}
5405

5406
	spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5407
	*((fc_port_t **)rport->dd_data) = fcport;
5408
	spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5409

5410
	rport->supported_classes = fcport->supported_classes;
5411

5412
	rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5413
	if (fcport->port_type == FCT_INITIATOR)
5414
		rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5415
	if (fcport->port_type == FCT_TARGET)
5416 5417 5418 5419 5420 5421 5422
		rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
	if (fcport->port_type & FCT_NVME_INITIATOR)
		rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
	if (fcport->port_type & FCT_NVME_TARGET)
		rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
	if (fcport->port_type & FCT_NVME_DISCOVERY)
		rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5423

5424 5425 5426
	ql_dbg(ql_dbg_disc, vha, 0x20ee,
	    "%s %8phN. rport %p is %s mode\n",
	    __func__, fcport->port_name, rport,
5427
	    (fcport->port_type == FCT_TARGET) ? "tgt" :
5428
	    ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5429

5430
	fc_remote_port_rolechg(rport, rport_ids.roles);
L
Linus Torvalds 已提交
5431 5432
}

5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448
/*
 * qla2x00_update_fcport
 *	Updates device on list.
 *
 * Input:
 *	ha = adapter block pointer.
 *	fcport = port structure pointer.
 *
 * Return:
 *	0  - Success
 *  BIT_0 - error
 *
 * Context:
 *	Kernel context.
 */
void
5449
qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5450
{
5451 5452 5453
	if (IS_SW_RESV_ADDR(fcport->d_id))
		return;

5454 5455 5456
	ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
	    __func__, fcport->port_name);

5457
	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5458
	fcport->login_retry = vha->hw->login_retry_count;
5459 5460
	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
	fcport->deleted = 0;
5461 5462 5463 5464
	if (vha->hw->current_topology == ISP_CFG_NL)
		fcport->logout_on_delete = 0;
	else
		fcport->logout_on_delete = 1;
5465
	fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5466

5467 5468 5469 5470 5471 5472 5473 5474 5475
	switch (vha->hw->current_topology) {
	case ISP_CFG_N:
	case ISP_CFG_NL:
		fcport->keep_nport_handle = 1;
		break;
	default:
		break;
	}

5476 5477
	qla2x00_iidma_fcport(vha, fcport);

5478
	if (NVME_TARGET(vha->hw, fcport)) {
5479
		qla_nvme_register_remote(vha, fcport);
5480
		qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5481
		qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5482 5483 5484
		return;
	}

5485
	qla24xx_update_fcport_fcp_prio(vha, fcport);
5486

5487 5488
	switch (vha->host->active_mode) {
	case MODE_INITIATOR:
5489
		qla2x00_reg_remote_port(vha, fcport);
5490 5491 5492 5493 5494 5495 5496
		break;
	case MODE_TARGET:
		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
			!vha->vha_tgt.qla_tgt->tgt_stopped)
			qlt_fc_port_added(vha, fcport);
		break;
	case MODE_DUAL:
5497
		qla2x00_reg_remote_port(vha, fcport);
5498 5499 5500 5501 5502 5503
		if (!vha->vha_tgt.qla_tgt->tgt_stop &&
			!vha->vha_tgt.qla_tgt->tgt_stopped)
			qlt_fc_port_added(vha, fcport);
		break;
	default:
		break;
5504
	}
5505

5506 5507
	qla2x00_set_fcport_state(fcport, FCS_ONLINE);

5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523
	if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
		if (fcport->id_changed) {
			fcport->id_changed = 0;
			ql_dbg(ql_dbg_disc, vha, 0x20d7,
			    "%s %d %8phC post gfpnid fcp_cnt %d\n",
			    __func__, __LINE__, fcport->port_name,
			    vha->fcport_count);
			qla24xx_post_gfpnid_work(vha, fcport);
		} else {
			ql_dbg(ql_dbg_disc, vha, 0x20d7,
			    "%s %d %8phC post gpsc fcp_cnt %d\n",
			    __func__, __LINE__, fcport->port_name,
			    vha->fcport_count);
			qla24xx_post_gpsc_work(vha, fcport);
		}
	}
5524

5525
	qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553
}

void qla_register_fcport_fn(struct work_struct *work)
{
	fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
	u32 rscn_gen = fcport->rscn_gen;
	u16 data[2];

	if (IS_SW_RESV_ADDR(fcport->d_id))
		return;

	qla2x00_update_fcport(fcport->vha, fcport);

	if (rscn_gen != fcport->rscn_gen) {
		/* RSCN(s) came in while registration */
		switch (fcport->next_disc_state) {
		case DSC_DELETE_PEND:
			qlt_schedule_sess_for_deletion(fcport);
			break;
		case DSC_ADISC:
			data[0] = data[1] = 0;
			qla2x00_post_async_adisc_work(fcport->vha, fcport,
			    data);
			break;
		default:
			break;
		}
	}
5554 5555
}

L
Linus Torvalds 已提交
5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567
/*
 * qla2x00_configure_fabric
 *      Setup SNS devices with loop ID's.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success.
 *      BIT_0 = error
 */
static int
5568
qla2x00_configure_fabric(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
5569
{
5570
	int	rval;
5571
	fc_port_t	*fcport;
L
Linus Torvalds 已提交
5572
	uint16_t	mb[MAILBOX_REGISTER_COUNT];
5573
	uint16_t	loop_id;
L
Linus Torvalds 已提交
5574
	LIST_HEAD(new_fcports);
5575
	struct qla_hw_data *ha = vha->hw;
5576
	int		discovery_gen;
L
Linus Torvalds 已提交
5577 5578

	/* If FL port exists, then SNS is present */
5579
	if (IS_FWI2_CAPABLE(ha))
5580 5581 5582
		loop_id = NPH_F_PORT;
	else
		loop_id = SNS_FL_PORT;
5583
	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
L
Linus Torvalds 已提交
5584
	if (rval != QLA_SUCCESS) {
5585
		ql_dbg(ql_dbg_disc, vha, 0x20a0,
5586
		    "MBX_GET_PORT_NAME failed, No FL Port.\n");
L
Linus Torvalds 已提交
5587

5588
		vha->device_flags &= ~SWITCH_FOUND;
L
Linus Torvalds 已提交
5589 5590
		return (QLA_SUCCESS);
	}
5591
	vha->device_flags |= SWITCH_FOUND;
L
Linus Torvalds 已提交
5592

5593 5594 5595 5596
	rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
	if (rval != QLA_SUCCESS)
		ql_dbg(ql_dbg_disc, vha, 0x20ff,
		    "Failed to get Fabric Port Name\n");
5597 5598 5599 5600 5601

	if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
		rval = qla2x00_send_change_request(vha, 0x3, 0);
		if (rval != QLA_SUCCESS)
			ql_log(ql_log_warn, vha, 0x121,
5602 5603
			    "Failed to enable receiving of RSCN requests: 0x%x.\n",
			    rval);
5604 5605
	}

L
Linus Torvalds 已提交
5606
	do {
5607 5608
		qla2x00_mgmt_svr_login(vha);

L
Linus Torvalds 已提交
5609
		/* Ensure we are logged into the SNS. */
5610
		loop_id = NPH_SNS_LID(ha);
5611 5612
		rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
		    0xfc, mb, BIT_1|BIT_0);
5613 5614 5615 5616
		if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
			ql_dbg(ql_dbg_disc, vha, 0x20a1,
			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
			    loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5617
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5618
			return rval;
5619
		}
5620 5621 5622 5623 5624 5625

		/* FDMI support. */
		if (ql2xfdmienable &&
		    test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
			qla2x00_fdmi_register(vha);

5626 5627
		if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
			if (qla2x00_rft_id(vha)) {
L
Linus Torvalds 已提交
5628
				/* EMPTY */
5629
				ql_dbg(ql_dbg_disc, vha, 0x20a2,
5630
				    "Register FC-4 TYPE failed.\n");
5631 5632 5633
				if (test_bit(LOOP_RESYNC_NEEDED,
				    &vha->dpc_flags))
					break;
L
Linus Torvalds 已提交
5634
			}
5635
			if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
L
Linus Torvalds 已提交
5636
				/* EMPTY */
5637
				ql_dbg(ql_dbg_disc, vha, 0x209a,
5638
				    "Register FC-4 Features failed.\n");
5639 5640 5641
				if (test_bit(LOOP_RESYNC_NEEDED,
				    &vha->dpc_flags))
					break;
L
Linus Torvalds 已提交
5642
			}
5643 5644 5645 5646 5647 5648
			if (vha->flags.nvme_enabled) {
				if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
					ql_dbg(ql_dbg_disc, vha, 0x2049,
					    "Register NVME FC Type Features failed.\n");
				}
			}
5649
			if (qla2x00_rnn_id(vha)) {
L
Linus Torvalds 已提交
5650
				/* EMPTY */
5651
				ql_dbg(ql_dbg_disc, vha, 0x2104,
5652
				    "Register Node Name failed.\n");
5653 5654 5655
				if (test_bit(LOOP_RESYNC_NEEDED,
				    &vha->dpc_flags))
					break;
5656
			} else if (qla2x00_rsnn_nn(vha)) {
L
Linus Torvalds 已提交
5657
				/* EMPTY */
5658
				ql_dbg(ql_dbg_disc, vha, 0x209b,
5659
				    "Register Symbolic Node Name failed.\n");
5660 5661
				if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
					break;
L
Linus Torvalds 已提交
5662 5663 5664
			}
		}

5665

5666 5667 5668 5669 5670 5671 5672 5673
		/* Mark the time right before querying FW for connected ports.
		 * This process is long, asynchronous and by the time it's done,
		 * collected information might not be accurate anymore. E.g.
		 * disconnected port might have re-connected and a brand new
		 * session has been created. In this case session's generation
		 * will be newer than discovery_gen. */
		qlt_do_generation_tick(vha, &discovery_gen);

5674
		if (USE_ASYNC_SCAN(ha)) {
5675 5676
			rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
			    NULL);
5677 5678 5679
			if (rval)
				set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
		} else  {
5680 5681 5682
			list_for_each_entry(fcport, &vha->vp_fcports, list)
				fcport->scan_state = QLA_FCPORT_SCAN;

5683 5684
			rval = qla2x00_find_all_fabric_devs(vha);
		}
L
Linus Torvalds 已提交
5685 5686 5687 5688
		if (rval != QLA_SUCCESS)
			break;
	} while (0);

5689 5690 5691
	if (!vha->nvme_local_port && vha->flags.nvme_enabled)
		qla_nvme_register_hba(vha);

5692
	if (rval)
5693 5694
		ql_dbg(ql_dbg_disc, vha, 0x2068,
		    "Configure fabric error exit rval=%d.\n", rval);
L
Linus Torvalds 已提交
5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712

	return (rval);
}

/*
 * qla2x00_find_all_fabric_devs
 *
 * Input:
 *	ha = adapter block pointer.
 *	dev = database device entry pointer.
 *
 * Returns:
 *	0 = success.
 *
 * Context:
 *	Kernel context.
 */
static int
5713
qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
5714 5715 5716
{
	int		rval;
	uint16_t	loop_id;
5717
	fc_port_t	*fcport, *new_fcport;
L
Linus Torvalds 已提交
5718 5719 5720 5721 5722
	int		found;

	sw_info_t	*swl;
	int		swl_idx;
	int		first_dev, last_dev;
5723
	port_id_t	wrap = {}, nxt_d_id;
5724
	struct qla_hw_data *ha = vha->hw;
5725
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5726
	unsigned long flags;
L
Linus Torvalds 已提交
5727 5728 5729 5730

	rval = QLA_SUCCESS;

	/* Try GID_PT to get device list, else GAN. */
5731
	if (!ha->swl)
5732
		ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5733 5734
		    GFP_KERNEL);
	swl = ha->swl;
5735
	if (!swl) {
L
Linus Torvalds 已提交
5736
		/*EMPTY*/
5737
		ql_dbg(ql_dbg_disc, vha, 0x209c,
5738
		    "GID_PT allocations failed, fallback on GA_NXT.\n");
L
Linus Torvalds 已提交
5739
	} else {
5740
		memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5741
		if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
L
Linus Torvalds 已提交
5742
			swl = NULL;
5743 5744
			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
				return rval;
5745
		} else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
L
Linus Torvalds 已提交
5746
			swl = NULL;
5747 5748
			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
				return rval;
5749
		} else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
L
Linus Torvalds 已提交
5750
			swl = NULL;
5751 5752
			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
				return rval;
5753 5754
		} else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
			swl = NULL;
5755 5756
			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
				return rval;
L
Linus Torvalds 已提交
5757
		}
5758 5759

		/* If other queries succeeded probe for FC-4 type */
5760
		if (swl) {
5761
			qla2x00_gff_id(vha, swl);
5762 5763 5764
			if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
				return rval;
		}
L
Linus Torvalds 已提交
5765 5766 5767 5768
	}
	swl_idx = 0;

	/* Allocate temporary fcport for any new fcports discovered. */
5769
	new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
L
Linus Torvalds 已提交
5770
	if (new_fcport == NULL) {
5771
		ql_log(ql_log_warn, vha, 0x209d,
5772
		    "Failed to allocate memory for fcport.\n");
L
Linus Torvalds 已提交
5773 5774 5775 5776 5777 5778 5779 5780
		return (QLA_MEMORY_ALLOC_FAILED);
	}
	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
	/* Set start port ID scan at adapter ID. */
	first_dev = 1;
	last_dev = 0;

	/* Starting free loop ID. */
5781 5782 5783
	loop_id = ha->min_external_loopid;
	for (; loop_id <= ha->max_loop_id; loop_id++) {
		if (qla2x00_is_reserved_id(vha, loop_id))
L
Linus Torvalds 已提交
5784 5785
			continue;

5786 5787 5788
		if (ha->current_topology == ISP_CFG_FL &&
		    (atomic_read(&vha->loop_down_timer) ||
		     LOOP_TRANSITION(vha))) {
5789 5790 5791
			atomic_set(&vha->loop_down_timer, 0);
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
			set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
L
Linus Torvalds 已提交
5792
			break;
5793
		}
L
Linus Torvalds 已提交
5794 5795 5796 5797 5798 5799 5800 5801 5802 5803

		if (swl != NULL) {
			if (last_dev) {
				wrap.b24 = new_fcport->d_id.b24;
			} else {
				new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
				memcpy(new_fcport->node_name,
				    swl[swl_idx].node_name, WWN_SIZE);
				memcpy(new_fcport->port_name,
				    swl[swl_idx].port_name, WWN_SIZE);
5804 5805 5806
				memcpy(new_fcport->fabric_port_name,
				    swl[swl_idx].fabric_port_name, WWN_SIZE);
				new_fcport->fp_speed = swl[swl_idx].fp_speed;
5807
				new_fcport->fc4_type = swl[swl_idx].fc4_type;
L
Linus Torvalds 已提交
5808

5809 5810
				new_fcport->nvme_flag = 0;
				if (vha->flags.nvme_enabled &&
5811
				    swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5812 5813 5814 5815 5816
					ql_log(ql_log_info, vha, 0x2131,
					    "FOUND: NVME port %8phC as FC Type 28h\n",
					    new_fcport->port_name);
				}

L
Linus Torvalds 已提交
5817 5818 5819 5820 5821 5822 5823
				if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
					last_dev = 1;
				}
				swl_idx++;
			}
		} else {
			/* Send GA_NXT to the switch */
5824
			rval = qla2x00_ga_nxt(vha, new_fcport);
L
Linus Torvalds 已提交
5825
			if (rval != QLA_SUCCESS) {
5826
				ql_log(ql_log_warn, vha, 0x209e,
5827 5828
				    "SNS scan failed -- assuming "
				    "zero-entry result.\n");
L
Linus Torvalds 已提交
5829 5830 5831 5832 5833 5834 5835 5836 5837 5838
				rval = QLA_SUCCESS;
				break;
			}
		}

		/* If wrap on switch device list, exit. */
		if (first_dev) {
			wrap.b24 = new_fcport->d_id.b24;
			first_dev = 0;
		} else if (new_fcport->d_id.b24 == wrap.b24) {
5839
			ql_dbg(ql_dbg_disc, vha, 0x209f,
5840 5841 5842 5843
			    "Device wrap (%02x%02x%02x).\n",
			    new_fcport->d_id.b.domain,
			    new_fcport->d_id.b.area,
			    new_fcport->d_id.b.al_pa);
L
Linus Torvalds 已提交
5844 5845 5846
			break;
		}

5847
		/* Bypass if same physical adapter. */
5848
		if (new_fcport->d_id.b24 == base_vha->d_id.b24)
L
Linus Torvalds 已提交
5849 5850
			continue;

5851
		/* Bypass virtual ports of the same host. */
5852 5853
		if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
			continue;
5854

5855 5856
		/* Bypass if same domain and area of adapter. */
		if (((new_fcport->d_id.b24 & 0xffff00) ==
5857
		    (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5858 5859 5860
			ISP_CFG_FL)
			    continue;

L
Linus Torvalds 已提交
5861 5862 5863 5864
		/* Bypass reserved domain fields. */
		if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
			continue;

5865
		/* Bypass ports whose FCP-4 type is not FCP_SCSI */
5866
		if (ql2xgffidenable &&
5867
		    (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
5868
		    new_fcport->fc4_type != 0))
5869 5870
			continue;

5871 5872
		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);

L
Linus Torvalds 已提交
5873 5874
		/* Locate matching device in database. */
		found = 0;
5875
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
L
Linus Torvalds 已提交
5876 5877 5878 5879
			if (memcmp(new_fcport->port_name, fcport->port_name,
			    WWN_SIZE))
				continue;

5880
			fcport->scan_state = QLA_FCPORT_FOUND;
5881

L
Linus Torvalds 已提交
5882 5883
			found++;

5884 5885 5886 5887 5888
			/* Update port state. */
			memcpy(fcport->fabric_port_name,
			    new_fcport->fabric_port_name, WWN_SIZE);
			fcport->fp_speed = new_fcport->fp_speed;

L
Linus Torvalds 已提交
5889
			/*
5890 5891
			 * If address the same and state FCS_ONLINE
			 * (or in target mode), nothing changed.
L
Linus Torvalds 已提交
5892 5893
			 */
			if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5894
			    (atomic_read(&fcport->state) == FCS_ONLINE ||
5895
			     (vha->host->active_mode == MODE_TARGET))) {
L
Linus Torvalds 已提交
5896 5897 5898 5899 5900 5901 5902 5903
				break;
			}

			/*
			 * If device was not a fabric device before.
			 */
			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
				fcport->d_id.b24 = new_fcport->d_id.b24;
5904
				qla2x00_clear_loop_id(fcport);
L
Linus Torvalds 已提交
5905 5906 5907 5908 5909 5910 5911 5912 5913 5914
				fcport->flags |= (FCF_FABRIC_DEVICE |
				    FCF_LOGIN_NEEDED);
				break;
			}

			/*
			 * Port ID changed or device was marked to be updated;
			 * Log it out if still logged in and mark it for
			 * relogin later.
			 */
5915
			if (qla_tgt_mode_enabled(base_vha)) {
5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930
				ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
					 "port changed FC ID, %8phC"
					 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
					 fcport->port_name,
					 fcport->d_id.b.domain,
					 fcport->d_id.b.area,
					 fcport->d_id.b.al_pa,
					 fcport->loop_id,
					 new_fcport->d_id.b.domain,
					 new_fcport->d_id.b.area,
					 new_fcport->d_id.b.al_pa);
				fcport->d_id.b24 = new_fcport->d_id.b24;
				break;
			}

L
Linus Torvalds 已提交
5931 5932 5933 5934 5935
			fcport->d_id.b24 = new_fcport->d_id.b24;
			fcport->flags |= FCF_LOGIN_NEEDED;
			break;
		}

5936
		if (NVME_TARGET(vha->hw, fcport)) {
5937
			if (fcport->disc_state == DSC_DELETE_PEND) {
5938
				qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
5939 5940 5941 5942 5943
				vha->fcport_count--;
				fcport->login_succ = 0;
			}
		}

5944 5945
		if (found) {
			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
L
Linus Torvalds 已提交
5946
			continue;
5947
		}
L
Linus Torvalds 已提交
5948
		/* If device was not in our fcports list, then add it. */
5949
		new_fcport->scan_state = QLA_FCPORT_FOUND;
5950 5951 5952 5953
		list_add_tail(&new_fcport->list, &vha->vp_fcports);

		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

L
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5954 5955 5956

		/* Allocate a new replacement fcport. */
		nxt_d_id.b24 = new_fcport->d_id.b24;
5957
		new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
L
Linus Torvalds 已提交
5958
		if (new_fcport == NULL) {
5959
			ql_log(ql_log_warn, vha, 0xd032,
5960
			    "Memory allocation failed for fcport.\n");
L
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5961 5962 5963 5964 5965 5966
			return (QLA_MEMORY_ALLOC_FAILED);
		}
		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
		new_fcport->d_id.b24 = nxt_d_id.b24;
	}

5967 5968 5969 5970 5971 5972 5973 5974 5975
	qla2x00_free_fcport(new_fcport);

	/*
	 * Logout all previous fabric dev marked lost, except FCP2 devices.
	 */
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;

5976
		if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
5977 5978 5979 5980 5981 5982 5983
			continue;

		if (fcport->scan_state == QLA_FCPORT_SCAN) {
			if ((qla_dual_mode_enabled(vha) ||
			    qla_ini_mode_enabled(vha)) &&
			    atomic_read(&fcport->state) == FCS_ONLINE) {
				qla2x00_mark_device_lost(vha, fcport,
5984
					ql2xplogiabsentdevice);
5985 5986 5987 5988
				if (fcport->loop_id != FC_NO_LOOP_ID &&
				    (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
				    fcport->port_type != FCT_INITIATOR &&
				    fcport->port_type != FCT_BROADCAST) {
5989
					ql_dbg(ql_dbg_disc, vha, 0x20f0,
5990 5991 5992
					    "%s %d %8phC post del sess\n",
					    __func__, __LINE__,
					    fcport->port_name);
5993
					qlt_schedule_sess_for_deletion(fcport);
5994 5995 5996 5997
					continue;
				}
			}
		}
L
Linus Torvalds 已提交
5998

5999 6000
		if (fcport->scan_state == QLA_FCPORT_FOUND &&
		    (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6001 6002
			qla24xx_fcport_handle_login(vha, fcport);
	}
L
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6003 6004 6005
	return (rval);
}

6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033
/* FW does not set aside Loop id for MGMT Server/FFFFFAh */
int
qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
{
	int loop_id = FC_NO_LOOP_ID;
	int lid = NPH_MGMT_SERVER - vha->vp_idx;
	unsigned long flags;
	struct qla_hw_data *ha = vha->hw;

	if (vha->vp_idx == 0) {
		set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
		return NPH_MGMT_SERVER;
	}

	/* pick id from high and work down to low */
	spin_lock_irqsave(&ha->vport_slock, flags);
	for (; lid > 0; lid--) {
		if (!test_bit(lid, vha->hw->loop_id_map)) {
			set_bit(lid, vha->hw->loop_id_map);
			loop_id = lid;
			break;
		}
	}
	spin_unlock_irqrestore(&ha->vport_slock, flags);

	return loop_id;
}

L
Linus Torvalds 已提交
6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048
/*
 * qla2x00_fabric_login
 *	Issue fabric login command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	device = pointer to FC device type structure.
 *
 * Returns:
 *      0 - Login successfully
 *      1 - Login failed
 *      2 - Initiator device
 *      3 - Fatal error
 */
int
6049
qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
L
Linus Torvalds 已提交
6050 6051 6052 6053 6054 6055
    uint16_t *next_loopid)
{
	int	rval;
	int	retry;
	uint16_t tmp_loopid;
	uint16_t mb[MAILBOX_REGISTER_COUNT];
6056
	struct qla_hw_data *ha = vha->hw;
L
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6057 6058 6059 6060 6061

	retry = 0;
	tmp_loopid = 0;

	for (;;) {
6062 6063 6064 6065 6066
		ql_dbg(ql_dbg_disc, vha, 0x2000,
		    "Trying Fabric Login w/loop id 0x%04x for port "
		    "%02x%02x%02x.\n",
		    fcport->loop_id, fcport->d_id.b.domain,
		    fcport->d_id.b.area, fcport->d_id.b.al_pa);
L
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6067 6068

		/* Login fcport on switch. */
6069
		rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
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6070 6071
		    fcport->d_id.b.domain, fcport->d_id.b.area,
		    fcport->d_id.b.al_pa, mb, BIT_0);
6072 6073 6074
		if (rval != QLA_SUCCESS) {
			return rval;
		}
L
Linus Torvalds 已提交
6075 6076 6077
		if (mb[0] == MBS_PORT_ID_USED) {
			/*
			 * Device has another loop ID.  The firmware team
6078 6079 6080 6081
			 * recommends the driver perform an implicit login with
			 * the specified ID again. The ID we just used is save
			 * here so we return with an ID that can be tried by
			 * the next login.
L
Linus Torvalds 已提交
6082 6083 6084 6085 6086
			 */
			retry++;
			tmp_loopid = fcport->loop_id;
			fcport->loop_id = mb[1];

6087 6088 6089
			ql_dbg(ql_dbg_disc, vha, 0x2001,
			    "Fabric Login: port in use - next loop "
			    "id=0x%04x, port id= %02x%02x%02x.\n",
L
Linus Torvalds 已提交
6090
			    fcport->loop_id, fcport->d_id.b.domain,
6091
			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
L
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6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103 6104 6105 6106 6107 6108 6109 6110 6111 6112

		} else if (mb[0] == MBS_COMMAND_COMPLETE) {
			/*
			 * Login succeeded.
			 */
			if (retry) {
				/* A retry occurred before. */
				*next_loopid = tmp_loopid;
			} else {
				/*
				 * No retry occurred before. Just increment the
				 * ID value for next login.
				 */
				*next_loopid = (fcport->loop_id + 1);
			}

			if (mb[1] & BIT_0) {
				fcport->port_type = FCT_INITIATOR;
			} else {
				fcport->port_type = FCT_TARGET;
				if (mb[1] & BIT_1) {
6113
					fcport->flags |= FCF_FCP2_DEVICE;
L
Linus Torvalds 已提交
6114 6115 6116
				}
			}

6117 6118 6119 6120 6121
			if (mb[10] & BIT_0)
				fcport->supported_classes |= FC_COS_CLASS2;
			if (mb[10] & BIT_1)
				fcport->supported_classes |= FC_COS_CLASS3;

6122 6123 6124 6125 6126 6127
			if (IS_FWI2_CAPABLE(ha)) {
				if (mb[10] & BIT_7)
					fcport->flags |=
					    FCF_CONF_COMP_SUPPORTED;
			}

L
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6128 6129 6130 6131 6132 6133 6134
			rval = QLA_SUCCESS;
			break;
		} else if (mb[0] == MBS_LOOP_ID_USED) {
			/*
			 * Loop ID already used, try next loop ID.
			 */
			fcport->loop_id++;
6135
			rval = qla2x00_find_new_loop_id(vha, fcport);
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6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146
			if (rval != QLA_SUCCESS) {
				/* Ran out of loop IDs to use */
				break;
			}
		} else if (mb[0] == MBS_COMMAND_ERROR) {
			/*
			 * Firmware possibly timed out during login. If NO
			 * retries are left to do then the device is declared
			 * dead.
			 */
			*next_loopid = fcport->loop_id;
6147
			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6148 6149
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa);
6150
			qla2x00_mark_device_lost(vha, fcport, 1);
L
Linus Torvalds 已提交
6151 6152 6153 6154 6155 6156 6157

			rval = 1;
			break;
		} else {
			/*
			 * unrecoverable / not handled error
			 */
6158 6159 6160 6161 6162
			ql_dbg(ql_dbg_disc, vha, 0x2002,
			    "Failed=%x port_id=%02x%02x%02x loop_id=%x "
			    "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
			    fcport->d_id.b.area, fcport->d_id.b.al_pa,
			    fcport->loop_id, jiffies);
L
Linus Torvalds 已提交
6163 6164

			*next_loopid = fcport->loop_id;
6165
			ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6166 6167
			    fcport->d_id.b.domain, fcport->d_id.b.area,
			    fcport->d_id.b.al_pa);
6168
			qla2x00_clear_loop_id(fcport);
6169
			fcport->login_retry = 0;
L
Linus Torvalds 已提交
6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192

			rval = 3;
			break;
		}
	}

	return (rval);
}

/*
 * qla2x00_local_device_login
 *	Issue local device login command.
 *
 * Input:
 *	ha = adapter block pointer.
 *	loop_id = loop id of device to login to.
 *
 * Returns (Where's the #define!!!!):
 *      0 - Login successfully
 *      1 - Login failed
 *      3 - Fatal error
 */
int
6193
qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
L
Linus Torvalds 已提交
6194 6195 6196 6197 6198
{
	int		rval;
	uint16_t	mb[MAILBOX_REGISTER_COUNT];

	memset(mb, 0, sizeof(mb));
6199
	rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
L
Linus Torvalds 已提交
6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222
	if (rval == QLA_SUCCESS) {
		/* Interrogate mailbox registers for any errors */
		if (mb[0] == MBS_COMMAND_ERROR)
			rval = 1;
		else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
			/* device not in PCB table */
			rval = 3;
	}

	return (rval);
}

/*
 *  qla2x00_loop_resync
 *      Resync with fibre channel devices.
 *
 * Input:
 *      ha = adapter block pointer.
 *
 * Returns:
 *      0 = success
 */
int
6223
qla2x00_loop_resync(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6224
{
6225
	int rval = QLA_SUCCESS;
L
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6226 6227
	uint32_t wait_time;

6228 6229 6230
	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
	if (vha->flags.online) {
		if (!(rval = qla2x00_fw_ready(vha))) {
L
Linus Torvalds 已提交
6231 6232 6233
			/* Wait at most MAX_TARGET RSCNs for a stable link. */
			wait_time = 256;
			do {
6234 6235 6236 6237 6238
				if (!IS_QLAFX00(vha->hw)) {
					/*
					 * Issue a marker after FW becomes
					 * ready.
					 */
6239 6240
					qla2x00_marker(vha, vha->hw->base_qpair,
					    0, 0, MK_SYNC_ALL);
6241 6242
					vha->marker_needed = 0;
				}
L
Linus Torvalds 已提交
6243 6244

				/* Remap devices on Loop. */
6245
				clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
6246

6247 6248 6249 6250 6251
				if (IS_QLAFX00(vha->hw))
					qlafx00_configure_devices(vha);
				else
					qla2x00_configure_loop(vha);

L
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6252
				wait_time--;
6253 6254 6255 6256
			} while (!atomic_read(&vha->loop_down_timer) &&
				!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
				&& wait_time && (test_bit(LOOP_RESYNC_NEEDED,
				&vha->dpc_flags)));
L
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6257 6258 6259
		}
	}

6260
	if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
L
Linus Torvalds 已提交
6261 6262
		return (QLA_FUNCTION_FAILED);

6263
	if (rval)
6264 6265
		ql_dbg(ql_dbg_disc, vha, 0x206c,
		    "%s *** FAILED ***.\n", __func__);
L
Linus Torvalds 已提交
6266 6267 6268 6269

	return (rval);
}

6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298 6299 6300
/*
* qla2x00_perform_loop_resync
* Description: This function will set the appropriate flags and call
*              qla2x00_loop_resync. If successful loop will be resynced
* Arguments : scsi_qla_host_t pointer
* returm    : Success or Failure
*/

int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
{
	int32_t rval = 0;

	if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
		/*Configure the flags so that resync happens properly*/
		atomic_set(&ha->loop_down_timer, 0);
		if (!(ha->device_flags & DFLG_NO_CABLE)) {
			atomic_set(&ha->loop_state, LOOP_UP);
			set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
			set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
			set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);

			rval = qla2x00_loop_resync(ha);
		} else
			atomic_set(&ha->loop_state, LOOP_DEAD);

		clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
	}

	return rval;
}

6301
void
6302
qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6303 6304
{
	fc_port_t *fcport;
6305 6306 6307
	struct scsi_qla_host *vha;
	struct qla_hw_data *ha = base_vha->hw;
	unsigned long flags;
6308

6309
	spin_lock_irqsave(&ha->vport_slock, flags);
6310
	/* Go with deferred removal of rport references. */
6311 6312 6313
	list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
		atomic_inc(&vha->vref_count);
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
6314
			if (fcport->drport &&
6315 6316
			    atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
				spin_unlock_irqrestore(&ha->vport_slock, flags);
6317
				qla2x00_rport_del(fcport);
6318

6319 6320 6321 6322
				spin_lock_irqsave(&ha->vport_slock, flags);
			}
		}
		atomic_dec(&vha->vref_count);
6323
		wake_up(&vha->vref_waitq);
6324 6325
	}
	spin_unlock_irqrestore(&ha->vport_slock, flags);
6326 6327
}

6328 6329 6330 6331 6332 6333 6334 6335 6336 6337
/* Assumes idc_lock always held on entry */
void
qla83xx_reset_ownership(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_presence, drv_presence_mask;
	uint32_t dev_part_info1, dev_part_info2, class_type;
	uint32_t class_type_mask = 0x3;
	uint16_t fcoe_other_function = 0xffff, i;

6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349
	if (IS_QLA8044(ha)) {
		drv_presence = qla8044_rd_direct(vha,
		    QLA8044_CRB_DRV_ACTIVE_INDEX);
		dev_part_info1 = qla8044_rd_direct(vha,
		    QLA8044_CRB_DEV_PART_INFO_INDEX);
		dev_part_info2 = qla8044_rd_direct(vha,
		    QLA8044_CRB_DEV_PART_INFO2);
	} else {
		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
		qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
	}
6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387
	for (i = 0; i < 8; i++) {
		class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
		if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
		    (i != ha->portnum)) {
			fcoe_other_function = i;
			break;
		}
	}
	if (fcoe_other_function == 0xffff) {
		for (i = 0; i < 8; i++) {
			class_type = ((dev_part_info2 >> (i * 4)) &
			    class_type_mask);
			if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
			    ((i + 8) != ha->portnum)) {
				fcoe_other_function = i + 8;
				break;
			}
		}
	}
	/*
	 * Prepare drv-presence mask based on fcoe functions present.
	 * However consider only valid physical fcoe function numbers (0-15).
	 */
	drv_presence_mask = ~((1 << (ha->portnum)) |
			((fcoe_other_function == 0xffff) ?
			 0 : (1 << (fcoe_other_function))));

	/* We are the reset owner iff:
	 *    - No other protocol drivers present.
	 *    - This is the lowest among fcoe functions. */
	if (!(drv_presence & drv_presence_mask) &&
			(ha->portnum < fcoe_other_function)) {
		ql_dbg(ql_dbg_p3p, vha, 0xb07f,
		    "This host is Reset owner.\n");
		ha->flags.nic_core_reset_owner = 1;
	}
}

6388
static int
6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403
__qla83xx_set_drv_ack(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_ack;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
	if (rval == QLA_SUCCESS) {
		drv_ack |= (1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
	}

	return rval;
}

6404
static int
6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419
__qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_ack;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
	if (rval == QLA_SUCCESS) {
		drv_ack &= ~(1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
	}

	return rval;
}

6420
static const char *
6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473
qla83xx_dev_state_to_string(uint32_t dev_state)
{
	switch (dev_state) {
	case QLA8XXX_DEV_COLD:
		return "COLD/RE-INIT";
	case QLA8XXX_DEV_INITIALIZING:
		return "INITIALIZING";
	case QLA8XXX_DEV_READY:
		return "READY";
	case QLA8XXX_DEV_NEED_RESET:
		return "NEED RESET";
	case QLA8XXX_DEV_NEED_QUIESCENT:
		return "NEED QUIESCENT";
	case QLA8XXX_DEV_FAILED:
		return "FAILED";
	case QLA8XXX_DEV_QUIESCENT:
		return "QUIESCENT";
	default:
		return "Unknown";
	}
}

/* Assumes idc-lock always held on entry */
void
qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t idc_audit_reg = 0, duration_secs = 0;

	switch (audit_type) {
	case IDC_AUDIT_TIMESTAMP:
		ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
		idc_audit_reg = (ha->portnum) |
		    (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
		break;

	case IDC_AUDIT_COMPLETION:
		duration_secs = ((jiffies_to_msecs(jiffies) -
		    jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
		idc_audit_reg = (ha->portnum) |
		    (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
		qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
		break;

	default:
		ql_log(ql_log_warn, vha, 0xb078,
		    "Invalid audit type specified.\n");
		break;
	}
}

/* Assumes idc_lock always held on entry */
6474
static int
6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496
qla83xx_initiating_reset(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t  idc_control, dev_state;

	__qla83xx_get_idc_control(vha, &idc_control);
	if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
		ql_log(ql_log_info, vha, 0xb080,
		    "NIC Core reset has been disabled. idc-control=0x%x\n",
		    idc_control);
		return QLA_FUNCTION_FAILED;
	}

	/* Set NEED-RESET iff in READY state and we are the reset-owner */
	qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
		    QLA8XXX_DEV_NEED_RESET);
		ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
		qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
	} else {
		const char *state = qla83xx_dev_state_to_string(dev_state);
6497

6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527
		ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);

		/* SV: XXX: Is timeout required here? */
		/* Wait for IDC state change READY -> NEED_RESET */
		while (dev_state == QLA8XXX_DEV_READY) {
			qla83xx_idc_unlock(vha, 0);
			msleep(200);
			qla83xx_idc_lock(vha, 0);
			qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
		}
	}

	/* Send IDC ack by writing to drv-ack register */
	__qla83xx_set_drv_ack(vha);

	return QLA_SUCCESS;
}

int
__qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
{
	return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
}

int
__qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
{
	return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
}

6528
static int
6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589
qla83xx_check_driver_presence(scsi_qla_host_t *vha)
{
	uint32_t drv_presence = 0;
	struct qla_hw_data *ha = vha->hw;

	qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
	if (drv_presence & (1 << ha->portnum))
		return QLA_SUCCESS;
	else
		return QLA_TEST_FAILED;
}

int
qla83xx_nic_core_reset(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;

	ql_dbg(ql_dbg_p3p, vha, 0xb058,
	    "Entered  %s().\n", __func__);

	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_log(ql_log_warn, vha, 0xb059,
		    "Device in unrecoverable FAILED state.\n");
		return QLA_FUNCTION_FAILED;
	}

	qla83xx_idc_lock(vha, 0);

	if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0xb05a,
		    "Function=0x%x has been removed from IDC participation.\n",
		    ha->portnum);
		rval = QLA_FUNCTION_FAILED;
		goto exit;
	}

	qla83xx_reset_ownership(vha);

	rval = qla83xx_initiating_reset(vha);

	/*
	 * Perform reset if we are the reset-owner,
	 * else wait till IDC state changes to READY/FAILED.
	 */
	if (rval == QLA_SUCCESS) {
		rval = qla83xx_idc_state_handler(vha);

		if (rval == QLA_SUCCESS)
			ha->flags.nic_core_hung = 0;
		__qla83xx_clear_drv_ack(vha);
	}

exit:
	qla83xx_idc_unlock(vha, 0);

	ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);

	return rval;
}

6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626
int
qla2xxx_mctp_dump(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	int rval = QLA_FUNCTION_FAILED;

	if (!IS_MCTP_CAPABLE(ha)) {
		/* This message can be removed from the final version */
		ql_log(ql_log_info, vha, 0x506d,
		    "This board is not MCTP capable\n");
		return rval;
	}

	if (!ha->mctp_dump) {
		ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
		    MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);

		if (!ha->mctp_dump) {
			ql_log(ql_log_warn, vha, 0x506e,
			    "Failed to allocate memory for mctp dump\n");
			return rval;
		}
	}

#define MCTP_DUMP_STR_ADDR	0x00000000
	rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
	    MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
	if (rval != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x506f,
		    "Failed to capture mctp dump\n");
	} else {
		ql_log(ql_log_info, vha, 0x5070,
		    "Mctp dump capture for host (%ld/%p).\n",
		    vha->host_no, ha->mctp_dump);
		ha->mctp_dumped = 1;
	}

6627
	if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643
		ha->flags.nic_core_reset_hdlr_active = 1;
		rval = qla83xx_restart_nic_firmware(vha);
		if (rval)
			/* NIC Core reset failed. */
			ql_log(ql_log_warn, vha, 0x5071,
			    "Failed to restart nic firmware\n");
		else
			ql_dbg(ql_dbg_p3p, vha, 0xb084,
			    "Restarted NIC firmware successfully.\n");
		ha->flags.nic_core_reset_hdlr_active = 0;
	}

	return rval;

}

6644
/*
6645
* qla2x00_quiesce_io
6646 6647 6648 6649 6650 6651 6652
* Description: This function will block the new I/Os
*              Its not aborting any I/Os as context
*              is not destroyed during quiescence
* Arguments: scsi_qla_host_t
* return   : void
*/
void
6653
qla2x00_quiesce_io(scsi_qla_host_t *vha)
6654 6655 6656 6657
{
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *vp;

6658 6659
	ql_dbg(ql_dbg_dpc, vha, 0x401d,
	    "Quiescing I/O - ha=%p.\n", ha);
6660 6661 6662 6663

	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
		atomic_set(&vha->loop_state, LOOP_DOWN);
6664
		qla2x00_mark_all_devices_lost(vha);
6665
		list_for_each_entry(vp, &ha->vp_list, list)
6666
			qla2x00_mark_all_devices_lost(vp);
6667 6668 6669 6670 6671 6672
	} else {
		if (!atomic_read(&vha->loop_down_timer))
			atomic_set(&vha->loop_down_timer,
					LOOP_DOWN_TIME);
	}
	/* Wait for pending cmds to complete */
6673 6674
	WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
		     != QLA_SUCCESS);
6675 6676
}

6677 6678 6679 6680
void
qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
6681
	struct scsi_qla_host *vp;
6682
	unsigned long flags;
6683
	fc_port_t *fcport;
6684
	u16 i;
6685

6686 6687 6688
	/* For ISP82XX, driver waits for completion of the commands.
	 * online flag should be set.
	 */
6689
	if (!(IS_P3P_TYPE(ha)))
6690
		vha->flags.online = 0;
6691 6692
	ha->flags.chip_reset_done = 0;
	clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6693
	vha->qla_stats.total_isp_aborts++;
6694

6695 6696
	ql_log(ql_log_info, vha, 0x00af,
	    "Performing ISP error recovery - ha=%p.\n", ha);
6697

6698
	ha->flags.purge_mbox = 1;
6699 6700 6701 6702
	/* For ISP82XX, reset_chip is just disabling interrupts.
	 * Driver waits for the completion of the commands.
	 * the interrupts need to be enabled.
	 */
6703
	if (!(IS_P3P_TYPE(ha)))
6704 6705
		ha->isp_ops->reset_chip(vha);

6706
	ha->link_data_rate = PORT_SPEED_UNKNOWN;
6707 6708
	SAVE_TOPO(ha);
	ha->flags.rida_fmt2 = 0;
6709 6710 6711
	ha->flags.n2n_ae = 0;
	ha->flags.lip_ae = 0;
	ha->current_topology = 0;
6712
	QLA_FW_STOPPED(ha);
6713
	ha->flags.fw_init_done = 0;
6714 6715
	ha->chip_reset++;
	ha->base_qpair->chip_reset = ha->chip_reset;
6716 6717 6718 6719 6720
	for (i = 0; i < ha->max_qpairs; i++) {
		if (ha->queue_pair_map[i])
			ha->queue_pair_map[i]->chip_reset =
				ha->base_qpair->chip_reset;
	}
6721

6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738
	/* purge MBox commands */
	if (atomic_read(&ha->num_pend_mbx_stage3)) {
		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
		complete(&ha->mbx_intr_comp);
	}

	i = 0;
	while (atomic_read(&ha->num_pend_mbx_stage3) ||
	    atomic_read(&ha->num_pend_mbx_stage2) ||
	    atomic_read(&ha->num_pend_mbx_stage1)) {
		msleep(20);
		i++;
		if (i > 50)
			break;
	}
	ha->flags.purge_mbox = 0;

6739 6740 6741
	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
		atomic_set(&vha->loop_state, LOOP_DOWN);
6742
		qla2x00_mark_all_devices_lost(vha);
6743 6744

		spin_lock_irqsave(&ha->vport_slock, flags);
6745
		list_for_each_entry(vp, &ha->vp_list, list) {
6746 6747 6748
			atomic_inc(&vp->vref_count);
			spin_unlock_irqrestore(&ha->vport_slock, flags);

6749
			qla2x00_mark_all_devices_lost(vp);
6750 6751 6752 6753 6754

			spin_lock_irqsave(&ha->vport_slock, flags);
			atomic_dec(&vp->vref_count);
		}
		spin_unlock_irqrestore(&ha->vport_slock, flags);
6755 6756 6757 6758 6759 6760
	} else {
		if (!atomic_read(&vha->loop_down_timer))
			atomic_set(&vha->loop_down_timer,
			    LOOP_DOWN_TIME);
	}

6761
	/* Clear all async request states across all VPs. */
6762
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
6763
		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6764 6765
		fcport->scan_state = 0;
	}
6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778
	spin_lock_irqsave(&ha->vport_slock, flags);
	list_for_each_entry(vp, &ha->vp_list, list) {
		atomic_inc(&vp->vref_count);
		spin_unlock_irqrestore(&ha->vport_slock, flags);

		list_for_each_entry(fcport, &vp->vp_fcports, list)
			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);

		spin_lock_irqsave(&ha->vport_slock, flags);
		atomic_dec(&vp->vref_count);
	}
	spin_unlock_irqrestore(&ha->vport_slock, flags);

6779 6780
	if (!ha->flags.eeh_busy) {
		/* Make sure for ISP 82XX IO DMA is complete */
6781
		if (IS_P3P_TYPE(ha)) {
6782
			qla82xx_chip_reset_cleanup(vha);
6783 6784
			ql_log(ql_log_info, vha, 0x00b4,
			    "Done chip reset cleanup.\n");
6785

6786 6787 6788 6789
			/* Done waiting for pending commands.
			 * Reset the online flag.
			 */
			vha->flags.online = 0;
6790
		}
6791

6792 6793 6794
		/* Requeue all commands in outstanding command list. */
		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
	}
6795 6796
	/* memory barrier */
	wmb();
6797 6798
}

L
Linus Torvalds 已提交
6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809
/*
*  qla2x00_abort_isp
*      Resets ISP and aborts all outstanding commands.
*
* Input:
*      ha           = adapter block pointer.
*
* Returns:
*      0 = success
*/
int
6810
qla2x00_abort_isp(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6811
{
6812
	int rval;
L
Linus Torvalds 已提交
6813
	uint8_t        status = 0;
6814 6815
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *vp;
6816
	struct req_que *req = ha->req_q_map[0];
6817
	unsigned long flags;
L
Linus Torvalds 已提交
6818

6819
	if (vha->flags.online) {
6820
		qla2x00_abort_isp_cleanup(vha);
L
Linus Torvalds 已提交
6821

6822 6823 6824 6825 6826 6827 6828 6829
		if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
			ha->flags.chip_reset_done = 1;
			vha->flags.online = 1;
			status = 0;
			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
			return status;
		}

6830 6831 6832 6833 6834 6835 6836 6837
		if (IS_QLA8031(ha)) {
			ql_dbg(ql_dbg_p3p, vha, 0xb05c,
			    "Clearing fcoe driver presence.\n");
			if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
				ql_dbg(ql_dbg_p3p, vha, 0xb073,
				    "Error while clearing DRV-Presence.\n");
		}

6838 6839 6840 6841 6842 6843 6844
		if (unlikely(pci_channel_offline(ha->pdev) &&
		    ha->flags.pci_channel_io_perm_failure)) {
			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
			status = 0;
			return status;
		}

6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858
		switch (vha->qlini_mode) {
		case QLA2XXX_INI_MODE_DISABLED:
			if (!qla_tgt_mode_enabled(vha))
				return 0;
			break;
		case QLA2XXX_INI_MODE_DUAL:
			if (!qla_dual_mode_enabled(vha))
				return 0;
			break;
		case QLA2XXX_INI_MODE_ENABLED:
		default:
			break;
		}

6859
		ha->isp_ops->get_flash_version(vha, req->ring);
6860

6861
		ha->isp_ops->nvram_config(vha);
L
Linus Torvalds 已提交
6862

6863 6864
		if (!qla2x00_restart_isp(vha)) {
			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
6865

6866
			if (!atomic_read(&vha->loop_down_timer)) {
L
Linus Torvalds 已提交
6867 6868 6869 6870
				/*
				 * Issue marker command only when we are going
				 * to start the I/O .
				 */
6871
				vha->marker_needed = 1;
L
Linus Torvalds 已提交
6872 6873
			}

6874
			vha->flags.online = 1;
L
Linus Torvalds 已提交
6875

6876
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
6877

6878
			ha->isp_abort_cnt = 0;
6879
			clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6880

6881 6882
			if (IS_QLA81XX(ha) || IS_QLA8031(ha))
				qla2x00_get_fw_version(vha);
6883 6884 6885 6886
			if (ha->fce) {
				ha->flags.fce_enabled = 1;
				memset(ha->fce, 0,
				    fce_calc_size(ha->fce_bufs));
6887
				rval = qla2x00_enable_fce_trace(vha,
6888 6889 6890
				    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
				    &ha->fce_bufs);
				if (rval) {
6891
					ql_log(ql_log_warn, vha, 0x8033,
6892 6893 6894 6895 6896
					    "Unable to reinitialize FCE "
					    "(%d).\n", rval);
					ha->flags.fce_enabled = 0;
				}
			}
6897 6898 6899

			if (ha->eft) {
				memset(ha->eft, 0, EFT_SIZE);
6900
				rval = qla2x00_enable_eft_trace(vha,
6901 6902
				    ha->eft_dma, EFT_NUM_BUFFERS);
				if (rval) {
6903
					ql_log(ql_log_warn, vha, 0x8034,
6904 6905 6906 6907
					    "Unable to reinitialize EFT "
					    "(%d).\n", rval);
				}
			}
L
Linus Torvalds 已提交
6908
		} else {	/* failed the ISP abort */
6909 6910
			vha->flags.online = 1;
			if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
L
Linus Torvalds 已提交
6911
				if (ha->isp_abort_cnt == 0) {
6912 6913 6914
					ql_log(ql_log_fatal, vha, 0x8035,
					    "ISP error recover failed - "
					    "board disabled.\n");
6915
					/*
L
Linus Torvalds 已提交
6916 6917 6918
					 * The next call disables the board
					 * completely.
					 */
6919
					qla2x00_abort_isp_cleanup(vha);
6920
					vha->flags.online = 0;
L
Linus Torvalds 已提交
6921
					clear_bit(ISP_ABORT_RETRY,
6922
					    &vha->dpc_flags);
L
Linus Torvalds 已提交
6923 6924 6925
					status = 0;
				} else { /* schedule another ISP abort */
					ha->isp_abort_cnt--;
6926 6927 6928
					ql_dbg(ql_dbg_taskm, vha, 0x8020,
					    "ISP abort - retry remaining %d.\n",
					    ha->isp_abort_cnt);
L
Linus Torvalds 已提交
6929 6930 6931 6932
					status = 1;
				}
			} else {
				ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6933 6934 6935
				ql_dbg(ql_dbg_taskm, vha, 0x8021,
				    "ISP error recovery - retrying (%d) "
				    "more times.\n", ha->isp_abort_cnt);
6936
				set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
L
Linus Torvalds 已提交
6937 6938 6939
				status = 1;
			}
		}
6940

L
Linus Torvalds 已提交
6941 6942
	}

6943
	if (!status) {
6944
		ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6945
		qla2x00_configure_hba(vha);
6946 6947 6948 6949 6950 6951
		spin_lock_irqsave(&ha->vport_slock, flags);
		list_for_each_entry(vp, &ha->vp_list, list) {
			if (vp->vp_idx) {
				atomic_inc(&vp->vref_count);
				spin_unlock_irqrestore(&ha->vport_slock, flags);

6952
				qla2x00_vp_abort_isp(vp);
6953 6954 6955 6956

				spin_lock_irqsave(&ha->vport_slock, flags);
				atomic_dec(&vp->vref_count);
			}
6957
		}
6958 6959
		spin_unlock_irqrestore(&ha->vport_slock, flags);

6960 6961 6962 6963 6964 6965 6966
		if (IS_QLA8031(ha)) {
			ql_dbg(ql_dbg_p3p, vha, 0xb05d,
			    "Setting back fcoe driver presence.\n");
			if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
				ql_dbg(ql_dbg_p3p, vha, 0xb074,
				    "Error while setting DRV-Presence.\n");
		}
6967
	} else {
6968 6969
		ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
		       __func__);
L
Linus Torvalds 已提交
6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985
	}

	return(status);
}

/*
*  qla2x00_restart_isp
*      restarts the ISP after a reset
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
static int
6986
qla2x00_restart_isp(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6987
{
6988
	int status = 0;
6989
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
6990 6991

	/* If firmware needs to be loaded */
6992 6993 6994 6995 6996
	if (qla2x00_isp_firmware(vha)) {
		vha->flags.online = 0;
		status = ha->isp_ops->chip_diag(vha);
		if (!status)
			status = qla2x00_setup_chip(vha);
L
Linus Torvalds 已提交
6997 6998
	}

6999 7000
	if (!status && !(status = qla2x00_init_rings(vha))) {
		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7001
		ha->flags.chip_reset_done = 1;
7002

7003 7004 7005
		/* Initialize the queues in use */
		qla25xx_init_queues(ha);

7006 7007
		status = qla2x00_fw_ready(vha);
		if (!status) {
7008
			/* Issue a marker after FW becomes ready. */
7009
			qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7010
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
7011 7012 7013
		}

		/* if no cable then assume it's good */
7014
		if ((vha->device_flags & DFLG_NO_CABLE))
L
Linus Torvalds 已提交
7015 7016 7017 7018 7019
			status = 0;
	}
	return (status);
}

7020 7021 7022 7023 7024 7025 7026 7027 7028
static int
qla25xx_init_queues(struct qla_hw_data *ha)
{
	struct rsp_que *rsp = NULL;
	struct req_que *req = NULL;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
	int ret = -1;
	int i;

7029
	for (i = 1; i < ha->max_rsp_queues; i++) {
7030
		rsp = ha->rsp_q_map[i];
7031
		if (rsp && test_bit(i, ha->rsp_qid_map)) {
7032
			rsp->options &= ~BIT_0;
7033
			ret = qla25xx_init_rsp_que(base_vha, rsp);
7034
			if (ret != QLA_SUCCESS)
7035 7036 7037
				ql_dbg(ql_dbg_init, base_vha, 0x00ff,
				    "%s Rsp que: %d init failed.\n",
				    __func__, rsp->id);
7038
			else
7039 7040 7041
				ql_dbg(ql_dbg_init, base_vha, 0x0100,
				    "%s Rsp que: %d inited.\n",
				    __func__, rsp->id);
7042
		}
7043 7044
	}
	for (i = 1; i < ha->max_req_queues; i++) {
7045
		req = ha->req_q_map[i];
7046 7047
		if (req && test_bit(i, ha->req_qid_map)) {
			/* Clear outstanding commands array. */
7048
			req->options &= ~BIT_0;
7049
			ret = qla25xx_init_req_que(base_vha, req);
7050
			if (ret != QLA_SUCCESS)
7051 7052 7053
				ql_dbg(ql_dbg_init, base_vha, 0x0101,
				    "%s Req que: %d init failed.\n",
				    __func__, req->id);
7054
			else
7055 7056 7057
				ql_dbg(ql_dbg_init, base_vha, 0x0102,
				    "%s Req que: %d inited.\n",
				    __func__, req->id);
7058 7059 7060 7061 7062
		}
	}
	return ret;
}

L
Linus Torvalds 已提交
7063 7064 7065 7066 7067 7068 7069
/*
* qla2x00_reset_adapter
*      Reset adapter.
*
* Input:
*      ha = adapter block pointer.
*/
7070
int
7071
qla2x00_reset_adapter(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
7072 7073
{
	unsigned long flags = 0;
7074
	struct qla_hw_data *ha = vha->hw;
7075
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
L
Linus Torvalds 已提交
7076

7077
	vha->flags.online = 0;
7078
	ha->isp_ops->disable_intrs(ha);
L
Linus Torvalds 已提交
7079 7080 7081 7082 7083 7084 7085

	spin_lock_irqsave(&ha->hardware_lock, flags);
	WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
	WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
	RD_REG_WORD(&reg->hccr);			/* PCI Posting. */
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7086 7087

	return QLA_SUCCESS;
L
Linus Torvalds 已提交
7088
}
7089

7090
int
7091
qla24xx_reset_adapter(scsi_qla_host_t *vha)
7092 7093
{
	unsigned long flags = 0;
7094
	struct qla_hw_data *ha = vha->hw;
7095
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7096
	int rval = QLA_SUCCESS;
7097

7098
	if (IS_P3P_TYPE(ha))
7099
		return rval;
7100

7101
	vha->flags.online = 0;
7102
	ha->isp_ops->disable_intrs(ha);
7103 7104 7105 7106 7107 7108 7109

	spin_lock_irqsave(&ha->hardware_lock, flags);
	WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
	RD_REG_DWORD(&reg->hccr);
	WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
	RD_REG_DWORD(&reg->hccr);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7110 7111 7112

	if (IS_NOPOLLING_TYPE(ha))
		ha->isp_ops->enable_intrs(ha);
7113 7114

	return rval;
7115 7116
}

7117 7118 7119
/* On sparc systems, obtain port and node WWN from firmware
 * properties.
 */
7120 7121
static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
	struct nvram_24xx *nv)
7122 7123
{
#ifdef CONFIG_SPARC
7124
	struct qla_hw_data *ha = vha->hw;
7125
	struct pci_dev *pdev = ha->pdev;
7126 7127
	struct device_node *dp = pci_device_to_OF_node(pdev);
	const u8 *val;
7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139
	int len;

	val = of_get_property(dp, "port-wwn", &len);
	if (val && len >= WWN_SIZE)
		memcpy(nv->port_name, val, WWN_SIZE);

	val = of_get_property(dp, "node-wwn", &len);
	if (val && len >= WWN_SIZE)
		memcpy(nv->node_name, val, WWN_SIZE);
#endif
}

7140
int
7141
qla24xx_nvram_config(scsi_qla_host_t *vha)
7142
{
7143
	int   rval;
7144 7145 7146 7147 7148 7149
	struct init_cb_24xx *icb;
	struct nvram_24xx *nv;
	uint32_t *dptr;
	uint8_t  *dptr1, *dptr2;
	uint32_t chksum;
	uint16_t cnt;
7150
	struct qla_hw_data *ha = vha->hw;
7151

7152
	rval = QLA_SUCCESS;
7153
	icb = (struct init_cb_24xx *)ha->init_cb;
7154
	nv = ha->nvram;
7155 7156

	/* Determine NVRAM starting address. */
7157
	if (ha->port_no == 0) {
7158 7159 7160
		ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
		ha->vpd_base = FA_NVRAM_VPD0_ADDR;
	} else {
7161
		ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7162 7163
		ha->vpd_base = FA_NVRAM_VPD1_ADDR;
	}
7164

7165
	ha->nvram_size = sizeof(*nv);
7166
	ha->vpd_size = FA_NVRAM_VPD_SIZE;
7167

7168 7169
	/* Get VPD data into cache */
	ha->vpd = ha->nvram + VPD_OFFSET;
7170
	ha->isp_ops->read_nvram(vha, ha->vpd,
7171 7172 7173
	    ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);

	/* Get NVRAM data into cache and calculate checksum. */
7174
	dptr = (uint32_t *)nv;
7175
	ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7176 7177
	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
		chksum += le32_to_cpu(*dptr);
7178

7179 7180 7181
	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
	    "Contents of NVRAM\n");
	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7182
	    nv, ha->nvram_size);
7183 7184

	/* Bad NVRAM data, set defaults parameters. */
7185 7186
	if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
	    le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7187
		/* Reset NVRAM data. */
7188
		ql_log(ql_log_warn, vha, 0x006b,
7189 7190 7191
		    "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
		    chksum, nv->id, nv->nvram_version);
		ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7192 7193 7194
		ql_log(ql_log_warn, vha, 0x006c,
		    "Falling back to functioning (yet invalid -- WWPN) "
		    "defaults.\n");
7195 7196 7197 7198 7199

		/*
		 * Set default initialization control block.
		 */
		memset(nv, 0, ha->nvram_size);
7200 7201
		nv->nvram_version = cpu_to_le16(ICB_VERSION);
		nv->version = cpu_to_le16(ICB_VERSION);
7202
		nv->frame_payload_size = 2048;
7203 7204 7205
		nv->execution_throttle = cpu_to_le16(0xFFFF);
		nv->exchange_count = cpu_to_le16(0);
		nv->hard_address = cpu_to_le16(124);
7206
		nv->port_name[0] = 0x21;
7207
		nv->port_name[1] = 0x00 + ha->port_no + 1;
7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221
		nv->port_name[2] = 0x00;
		nv->port_name[3] = 0xe0;
		nv->port_name[4] = 0x8b;
		nv->port_name[5] = 0x1c;
		nv->port_name[6] = 0x55;
		nv->port_name[7] = 0x86;
		nv->node_name[0] = 0x20;
		nv->node_name[1] = 0x00;
		nv->node_name[2] = 0x00;
		nv->node_name[3] = 0xe0;
		nv->node_name[4] = 0x8b;
		nv->node_name[5] = 0x1c;
		nv->node_name[6] = 0x55;
		nv->node_name[7] = 0x86;
7222
		qla24xx_nvram_wwn_from_ofw(vha, nv);
7223 7224 7225
		nv->login_retry_count = cpu_to_le16(8);
		nv->interrupt_delay_timer = cpu_to_le16(0);
		nv->login_timeout = cpu_to_le16(0);
7226
		nv->firmware_options_1 =
7227 7228 7229 7230 7231 7232
		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
		nv->firmware_options_2 = cpu_to_le32(2 << 4);
		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
		nv->firmware_options_3 = cpu_to_le32(2 << 13);
		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
		nv->efi_parameters = cpu_to_le32(0);
7233
		nv->reset_delay = 5;
7234 7235 7236
		nv->max_luns_per_target = cpu_to_le16(128);
		nv->port_down_retry_count = cpu_to_le16(30);
		nv->link_down_timeout = cpu_to_le16(30);
7237 7238

		rval = 1;
7239 7240
	}

7241
	if (qla_tgt_mode_enabled(vha)) {
7242
		/* Don't enable full login after initial LIP */
7243
		nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7244
		/* Don't enable LIP full login for initiator */
7245
		nv->host_p &= cpu_to_le32(~BIT_10);
7246 7247 7248 7249
	}

	qlt_24xx_config_nvram_stage1(vha, nv);

7250
	/* Reset Initialization control block */
7251
	memset(icb, 0, ha->init_cb_size);
7252 7253 7254 7255 7256 7257 7258 7259 7260

	/* Copy 1st segment. */
	dptr1 = (uint8_t *)icb;
	dptr2 = (uint8_t *)&nv->version;
	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
	while (cnt--)
		*dptr1++ = *dptr2++;

	icb->login_retry_count = nv->login_retry_count;
7261
	icb->link_down_on_nos = nv->link_down_on_nos;
7262 7263 7264 7265 7266 7267 7268 7269

	/* Copy 2nd segment. */
	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
	cnt = (uint8_t *)&icb->reserved_3 -
	    (uint8_t *)&icb->interrupt_delay_timer;
	while (cnt--)
		*dptr1++ = *dptr2++;
7270
	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7271 7272 7273
	/*
	 * Setup driver NVRAM options.
	 */
7274
	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7275
	    "QLA2462");
7276

7277 7278
	qlt_24xx_config_nvram_stage2(vha, icb);

7279
	if (nv->host_p & cpu_to_le32(BIT_15)) {
7280
		/* Use alternate WWN? */
7281 7282 7283 7284
		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
	}

7285
	/* Prepare nodename */
7286
	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7287 7288 7289 7290 7291 7292 7293 7294 7295 7296
		/*
		 * Firmware will apply the following mask if the nodename was
		 * not provided.
		 */
		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
		icb->node_name[0] &= 0xF0;
	}

	/* Set host adapter parameters. */
	ha->flags.disable_risc_code_load = 0;
7297 7298
	ha->flags.enable_lip_reset = 0;
	ha->flags.enable_lip_full_login =
7299
	    le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7300
	ha->flags.enable_target_reset =
7301
	    le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7302
	ha->flags.enable_led_scheme = 0;
7303
	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7304

7305 7306
	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
	    (BIT_6 | BIT_5 | BIT_4)) >> 4;
7307 7308 7309 7310 7311 7312 7313 7314

	memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
	    sizeof(ha->fw_seriallink_options24));

	/* save HBA serial number */
	ha->serial0 = icb->port_name[5];
	ha->serial1 = icb->port_name[6];
	ha->serial2 = icb->port_name[7];
7315 7316
	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
	memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7317

7318
	icb->execution_throttle = cpu_to_le16(0xFFFF);
7319

7320 7321 7322 7323 7324 7325
	ha->retry_count = le16_to_cpu(nv->login_retry_count);

	/* Set minimum login_timeout to 4 seconds. */
	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
	if (le16_to_cpu(nv->login_timeout) < 4)
7326
		nv->login_timeout = cpu_to_le16(4);
7327 7328
	ha->login_timeout = le16_to_cpu(nv->login_timeout);

7329 7330
	/* Set minimum RATOV to 100 tenths of a second. */
	ha->r_a_tov = 100;
7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368

	ha->loop_reset_delay = nv->reset_delay;

	/* Link Down Timeout = 0:
	 *
	 * 	When Port Down timer expires we will start returning
	 *	I/O's to OS with "DID_NO_CONNECT".
	 *
	 * Link Down Timeout != 0:
	 *
	 *	 The driver waits for the link to come up after link down
	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
	 */
	if (le16_to_cpu(nv->link_down_timeout) == 0) {
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
	} else {
		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
	}

	/* Need enough time to try and get the port back. */
	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
	if (qlport_down_retry)
		ha->port_down_retry_count = qlport_down_retry;

	/* Set login_retry_count */
	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
	if (ha->port_down_retry_count ==
	    le16_to_cpu(nv->port_down_retry_count) &&
	    ha->port_down_retry_count > 3)
		ha->login_retry_count = ha->port_down_retry_count;
	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
		ha->login_retry_count = ha->port_down_retry_count;
	if (ql2xloginretrycount)
		ha->login_retry_count = ql2xloginretrycount;

7369 7370 7371
	/* N2N: driver will initiate Login instead of FW */
	icb->firmware_options_3 |= BIT_8;

7372
	/* Enable ZIO. */
7373
	if (!vha->flags.init_done) {
7374 7375 7376
		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7377
		    le16_to_cpu(icb->interrupt_delay_timer) : 2;
7378
	}
7379
	icb->firmware_options_2 &= cpu_to_le32(
7380 7381
	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
	if (ha->zio_mode != QLA_ZIO_DISABLED) {
7382 7383
		ha->zio_mode = QLA_ZIO_MODE_6;

7384
		ql_log(ql_log_info, vha, 0x006f,
7385 7386 7387 7388 7389 7390 7391 7392
		    "ZIO mode %d enabled; timer delay (%d us).\n",
		    ha->zio_mode, ha->zio_timer * 100);

		icb->firmware_options_2 |= cpu_to_le32(
		    (uint32_t)ha->zio_mode);
		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
	}

7393
	if (rval) {
7394 7395
		ql_log(ql_log_warn, vha, 0x0070,
		    "NVRAM configuration failed.\n");
7396 7397
	}
	return (rval);
7398 7399
}

7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480 7481 7482 7483 7484 7485 7486 7487 7488 7489
static void
qla27xx_print_image(struct scsi_qla_host *vha, char *name,
    struct qla27xx_image_status *image_status)
{
	ql_dbg(ql_dbg_init, vha, 0x018b,
	    "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
	    name, "status",
	    image_status->image_status_mask,
	    le16_to_cpu(image_status->generation),
	    image_status->ver_major,
	    image_status->ver_minor,
	    image_status->bitmap,
	    le32_to_cpu(image_status->checksum),
	    le32_to_cpu(image_status->signature));
}

static bool
qla28xx_check_aux_image_status_signature(
    struct qla27xx_image_status *image_status)
{
	ulong signature = le32_to_cpu(image_status->signature);

	return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
}

static bool
qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
{
	ulong signature = le32_to_cpu(image_status->signature);

	return
	    signature != QLA27XX_IMG_STATUS_SIGN &&
	    signature != QLA28XX_IMG_STATUS_SIGN;
}

static ulong
qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
{
	uint32_t *p = (void *)image_status;
	uint n = sizeof(*image_status) / sizeof(*p);
	uint32_t sum = 0;

	for ( ; n--; p++)
		sum += le32_to_cpup(p);

	return sum;
}

static inline uint
qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
{
	return aux->bitmap & bitmask ?
	    QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
}

static void
qla28xx_component_status(
    struct active_regions *active_regions, struct qla27xx_image_status *aux)
{
	active_regions->aux.board_config =
	    qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);

	active_regions->aux.vpd_nvram =
	    qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);

	active_regions->aux.npiv_config_0_1 =
	    qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);

	active_regions->aux.npiv_config_2_3 =
	    qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
}

static int
qla27xx_compare_image_generation(
    struct qla27xx_image_status *pri_image_status,
    struct qla27xx_image_status *sec_image_status)
{
	/* calculate generation delta as uint16 (this accounts for wrap) */
	int16_t delta =
	    le16_to_cpu(pri_image_status->generation) -
	    le16_to_cpu(sec_image_status->generation);

	ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);

	return delta;
}

void
qla28xx_get_aux_images(
	struct scsi_qla_host *vha, struct active_regions *active_regions)
7490 7491
{
	struct qla_hw_data *ha = vha->hw;
7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550
	struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
	bool valid_pri_image = false, valid_sec_image = false;
	bool active_pri_image = false, active_sec_image = false;

	if (!ha->flt_region_aux_img_status_pri) {
		ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
		goto check_sec_image;
	}

	qla24xx_read_flash_data(vha, (void *)&pri_aux_image_status,
	    ha->flt_region_aux_img_status_pri,
	    sizeof(pri_aux_image_status) >> 2);
	qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);

	if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018b,
		    "Primary aux image signature (%#x) not valid\n",
		    le32_to_cpu(pri_aux_image_status.signature));
		goto check_sec_image;
	}

	if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018c,
		    "Primary aux image checksum failed\n");
		goto check_sec_image;
	}

	valid_pri_image = true;

	if (pri_aux_image_status.image_status_mask & 1) {
		ql_dbg(ql_dbg_init, vha, 0x018d,
		    "Primary aux image is active\n");
		active_pri_image = true;
	}

check_sec_image:
	if (!ha->flt_region_aux_img_status_sec) {
		ql_dbg(ql_dbg_init, vha, 0x018a,
		    "Secondary aux image not addressed\n");
		goto check_valid_image;
	}

	qla24xx_read_flash_data(vha, (void *)&sec_aux_image_status,
	    ha->flt_region_aux_img_status_sec,
	    sizeof(sec_aux_image_status) >> 2);
	qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);

	if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018b,
		    "Secondary aux image signature (%#x) not valid\n",
		    le32_to_cpu(sec_aux_image_status.signature));
		goto check_valid_image;
	}

	if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018c,
		    "Secondary aux image checksum failed\n");
		goto check_valid_image;
	}
7551

7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577 7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591 7592
	valid_sec_image = true;

	if (sec_aux_image_status.image_status_mask & 1) {
		ql_dbg(ql_dbg_init, vha, 0x018d,
		    "Secondary aux image is active\n");
		active_sec_image = true;
	}

check_valid_image:
	if (valid_pri_image && active_pri_image &&
	    valid_sec_image && active_sec_image) {
		if (qla27xx_compare_image_generation(&pri_aux_image_status,
		    &sec_aux_image_status) >= 0) {
			qla28xx_component_status(active_regions,
			    &pri_aux_image_status);
		} else {
			qla28xx_component_status(active_regions,
			    &sec_aux_image_status);
		}
	} else if (valid_pri_image && active_pri_image) {
		qla28xx_component_status(active_regions, &pri_aux_image_status);
	} else if (valid_sec_image && active_sec_image) {
		qla28xx_component_status(active_regions, &sec_aux_image_status);
	}

	ql_dbg(ql_dbg_init, vha, 0x018f,
	    "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
	    active_regions->aux.board_config,
	    active_regions->aux.vpd_nvram,
	    active_regions->aux.npiv_config_0_1,
	    active_regions->aux.npiv_config_2_3);
}

void
qla27xx_get_active_image(struct scsi_qla_host *vha,
    struct active_regions *active_regions)
{
	struct qla_hw_data *ha = vha->hw;
	struct qla27xx_image_status pri_image_status, sec_image_status;
	bool valid_pri_image = false, valid_sec_image = false;
	bool active_pri_image = false, active_sec_image = false;
7593 7594

	if (!ha->flt_region_img_status_pri) {
7595
		ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7596 7597 7598
		goto check_sec_image;
	}

7599 7600 7601 7602 7603 7604
	if (qla24xx_read_flash_data(vha, (void *)(&pri_image_status),
	    ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
	    QLA_SUCCESS) {
		WARN_ON_ONCE(true);
		goto check_sec_image;
	}
7605
	qla27xx_print_image(vha, "Primary image", &pri_image_status);
7606

7607
	if (qla27xx_check_image_status_signature(&pri_image_status)) {
7608
		ql_dbg(ql_dbg_init, vha, 0x018b,
7609 7610
		    "Primary image signature (%#x) not valid\n",
		    le32_to_cpu(pri_image_status.signature));
7611 7612 7613
		goto check_sec_image;
	}

7614 7615 7616 7617 7618
	if (qla27xx_image_status_checksum(&pri_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018c,
		    "Primary image checksum failed\n");
		goto check_sec_image;
	}
7619

7620
	valid_pri_image = true;
7621

7622 7623 7624 7625
	if (pri_image_status.image_status_mask & 1) {
		ql_dbg(ql_dbg_init, vha, 0x018d,
		    "Primary image is active\n");
		active_pri_image = true;
7626 7627 7628 7629
	}

check_sec_image:
	if (!ha->flt_region_img_status_sec) {
7630
		ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7631 7632 7633 7634
		goto check_valid_image;
	}

	qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7635 7636
	    ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
	qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7637

7638 7639
	if (qla27xx_check_image_status_signature(&sec_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018b,
7640 7641
		    "Secondary image signature (%#x) not valid\n",
		    le32_to_cpu(sec_image_status.signature));
7642 7643 7644
		goto check_valid_image;
	}

7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656
	if (qla27xx_image_status_checksum(&sec_image_status)) {
		ql_dbg(ql_dbg_init, vha, 0x018c,
		    "Secondary image checksum failed\n");
		goto check_valid_image;
	}

	valid_sec_image = true;

	if (sec_image_status.image_status_mask & 1) {
		ql_dbg(ql_dbg_init, vha, 0x018d,
		    "Secondary image is active\n");
		active_sec_image = true;
7657 7658 7659
	}

check_valid_image:
7660 7661 7662 7663 7664 7665 7666 7667
	if (valid_pri_image && active_pri_image)
		active_regions->global = QLA27XX_PRIMARY_IMAGE;

	if (valid_sec_image && active_sec_image) {
		if (!active_regions->global ||
		    qla27xx_compare_image_generation(
			&pri_image_status, &sec_image_status) < 0) {
			active_regions->global = QLA27XX_SECONDARY_IMAGE;
7668
		}
7669 7670
	}

7671 7672 7673 7674 7675 7676 7677 7678
	ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
	    active_regions->global == QLA27XX_DEFAULT_IMAGE ?
		"default (boot/fw)" :
	    active_regions->global == QLA27XX_PRIMARY_IMAGE ?
		"primary" :
	    active_regions->global == QLA27XX_SECONDARY_IMAGE ?
		"secondary" : "invalid",
	    active_regions->global);
7679 7680
}

7681 7682 7683 7684 7685 7686 7687
bool qla24xx_risc_firmware_invalid(uint32_t *dword)
{
	return
	    !(dword[4] | dword[5] | dword[6] | dword[7]) ||
	    !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
}

7688
static int
7689 7690
qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
    uint32_t faddr)
7691
{
7692 7693 7694 7695 7696 7697 7698
	int rval;
	uint templates, segments, fragment;
	ulong i;
	uint j;
	ulong dlen;
	uint32_t *dcode;
	uint32_t risc_addr, risc_size, risc_attr = 0;
7699
	struct qla_hw_data *ha = vha->hw;
7700
	struct req_que *req = ha->req_q_map[0];
7701
	struct fwdt *fwdt = ha->fwdt;
7702

7703
	ql_dbg(ql_dbg_init, vha, 0x008b,
7704
	    "FW: Loading firmware from flash (%x).\n", faddr);
7705

7706 7707 7708
	dcode = (void *)req->ring;
	qla24xx_read_flash_data(vha, dcode, faddr, 8);
	if (qla24xx_risc_firmware_invalid(dcode)) {
7709 7710 7711 7712 7713 7714
		ql_log(ql_log_fatal, vha, 0x008c,
		    "Unable to verify the integrity of flash firmware "
		    "image.\n");
		ql_log(ql_log_fatal, vha, 0x008d,
		    "Firmware data: %08x %08x %08x %08x.\n",
		    dcode[0], dcode[1], dcode[2], dcode[3]);
7715 7716 7717 7718

		return QLA_FUNCTION_FAILED;
	}

7719 7720 7721 7722 7723 7724 7725
	dcode = (void *)req->ring;
	*srisc_addr = 0;
	segments = FA_RISC_CODE_SEGMENTS;
	for (j = 0; j < segments; j++) {
		ql_dbg(ql_dbg_init, vha, 0x008d,
		    "-> Loading segment %u...\n", j);
		qla24xx_read_flash_data(vha, dcode, faddr, 10);
7726 7727
		risc_addr = be32_to_cpu(dcode[2]);
		risc_size = be32_to_cpu(dcode[3]);
7728 7729 7730 7731
		if (!*srisc_addr) {
			*srisc_addr = risc_addr;
			risc_attr = be32_to_cpu(dcode[9]);
		}
7732

7733 7734
		dlen = ha->fw_transfer_size >> 2;
		for (fragment = 0; risc_size; fragment++) {
7735 7736 7737
			if (dlen > risc_size)
				dlen = risc_size;

7738
			ql_dbg(ql_dbg_init, vha, 0x008e,
7739 7740
			    "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
			    fragment, risc_addr, faddr, dlen);
7741
			qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7742 7743 7744
			for (i = 0; i < dlen; i++)
				dcode[i] = swab32(dcode[i]);

7745
			rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7746
			if (rval) {
7747
				ql_log(ql_log_fatal, vha, 0x008f,
7748
				    "-> Failed load firmware fragment %u.\n",
7749
				    fragment);
7750
				return QLA_FUNCTION_FAILED;
7751 7752 7753 7754 7755 7756 7757 7758
			}

			faddr += dlen;
			risc_addr += dlen;
			risc_size -= dlen;
		}
	}

7759
	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7760
		return QLA_SUCCESS;
7761

7762 7763 7764 7765 7766 7767 7768 7769
	templates = (risc_attr & BIT_9) ? 2 : 1;
	ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
	for (j = 0; j < templates; j++, fwdt++) {
		if (fwdt->template)
			vfree(fwdt->template);
		fwdt->template = NULL;
		fwdt->length = 0;

7770
		dcode = (void *)req->ring;
7771 7772 7773 7774 7775 7776 7777 7778 7779 7780
		qla24xx_read_flash_data(vha, dcode, faddr, 7);
		risc_size = be32_to_cpu(dcode[2]);
		ql_dbg(ql_dbg_init, vha, 0x0161,
		    "-> fwdt%u template array at %#x (%#x dwords)\n",
		    j, faddr, risc_size);
		if (!risc_size || !~risc_size) {
			ql_dbg(ql_dbg_init, vha, 0x0162,
			    "-> fwdt%u failed to read array\n", j);
			goto failed;
		}
7781

7782 7783 7784 7785 7786 7787 7788 7789 7790 7791 7792 7793 7794
		/* skip header and ignore checksum */
		faddr += 7;
		risc_size -= 8;

		ql_dbg(ql_dbg_init, vha, 0x0163,
		    "-> fwdt%u template allocate template %#x words...\n",
		    j, risc_size);
		fwdt->template = vmalloc(risc_size * sizeof(*dcode));
		if (!fwdt->template) {
			ql_log(ql_log_warn, vha, 0x0164,
			    "-> fwdt%u failed allocate template.\n", j);
			goto failed;
		}
7795

7796 7797
		dcode = fwdt->template;
		qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7798

7799 7800 7801 7802 7803
		if (!qla27xx_fwdt_template_valid(dcode)) {
			ql_log(ql_log_warn, vha, 0x0165,
			    "-> fwdt%u failed template validate\n", j);
			goto failed;
		}
7804

7805 7806 7807 7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 7819 7820
		dlen = qla27xx_fwdt_template_size(dcode);
		ql_dbg(ql_dbg_init, vha, 0x0166,
		    "-> fwdt%u template size %#lx bytes (%#lx words)\n",
		    j, dlen, dlen / sizeof(*dcode));
		if (dlen > risc_size * sizeof(*dcode)) {
			ql_log(ql_log_warn, vha, 0x0167,
			    "-> fwdt%u template exceeds array (%-lu bytes)\n",
			    j, dlen - risc_size * sizeof(*dcode));
			goto failed;
		}

		fwdt->length = dlen;
		ql_dbg(ql_dbg_init, vha, 0x0168,
		    "-> fwdt%u loaded template ok\n", j);

		faddr += risc_size + 1;
7821
	}
7822 7823

	return QLA_SUCCESS;
7824

7825
failed:
7826 7827 7828 7829 7830 7831
	if (fwdt->template)
		vfree(fwdt->template);
	fwdt->template = NULL;
	fwdt->length = 0;

	return QLA_SUCCESS;
7832 7833
}

7834
#define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7835

7836
int
7837
qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7838 7839 7840 7841 7842 7843
{
	int	rval;
	int	i, fragment;
	uint16_t *wcode, *fwcode;
	uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
	struct fw_blob *blob;
7844
	struct qla_hw_data *ha = vha->hw;
7845
	struct req_que *req = ha->req_q_map[0];
7846 7847

	/* Load firmware blob. */
7848
	blob = qla2x00_request_firmware(vha);
7849
	if (!blob) {
7850
		ql_log(ql_log_info, vha, 0x0083,
7851
		    "Firmware image unavailable.\n");
7852 7853
		ql_log(ql_log_info, vha, 0x0084,
		    "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7854 7855 7856 7857 7858
		return QLA_FUNCTION_FAILED;
	}

	rval = QLA_SUCCESS;

7859
	wcode = (uint16_t *)req->ring;
7860 7861 7862 7863 7864 7865
	*srisc_addr = 0;
	fwcode = (uint16_t *)blob->fw->data;
	fwclen = 0;

	/* Validate firmware image by checking version. */
	if (blob->fw->size < 8 * sizeof(uint16_t)) {
7866
		ql_log(ql_log_fatal, vha, 0x0085,
7867
		    "Unable to verify integrity of firmware image (%zd).\n",
7868 7869 7870 7871 7872 7873 7874 7875
		    blob->fw->size);
		goto fail_fw_integrity;
	}
	for (i = 0; i < 4; i++)
		wcode[i] = be16_to_cpu(fwcode[i + 4]);
	if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
	    wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
		wcode[2] == 0 && wcode[3] == 0)) {
7876 7877 7878 7879 7880
		ql_log(ql_log_fatal, vha, 0x0086,
		    "Unable to verify integrity of firmware image.\n");
		ql_log(ql_log_fatal, vha, 0x0087,
		    "Firmware data: %04x %04x %04x %04x.\n",
		    wcode[0], wcode[1], wcode[2], wcode[3]);
7881 7882 7883 7884 7885 7886 7887 7888 7889 7890 7891 7892
		goto fail_fw_integrity;
	}

	seg = blob->segs;
	while (*seg && rval == QLA_SUCCESS) {
		risc_addr = *seg;
		*srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
		risc_size = be16_to_cpu(fwcode[3]);

		/* Validate firmware image size. */
		fwclen += risc_size * sizeof(uint16_t);
		if (blob->fw->size < fwclen) {
7893
			ql_log(ql_log_fatal, vha, 0x0088,
7894
			    "Unable to verify integrity of firmware image "
7895
			    "(%zd).\n", blob->fw->size);
7896 7897 7898 7899 7900 7901 7902 7903
			goto fail_fw_integrity;
		}

		fragment = 0;
		while (risc_size > 0 && rval == QLA_SUCCESS) {
			wlen = (uint16_t)(ha->fw_transfer_size >> 1);
			if (wlen > risc_size)
				wlen = risc_size;
7904 7905 7906
			ql_dbg(ql_dbg_init, vha, 0x0089,
			    "Loading risc segment@ risc addr %x number of "
			    "words 0x%x.\n", risc_addr, wlen);
7907 7908 7909 7910

			for (i = 0; i < wlen; i++)
				wcode[i] = swab16(fwcode[i]);

7911
			rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7912 7913
			    wlen);
			if (rval) {
7914 7915 7916
				ql_log(ql_log_fatal, vha, 0x008a,
				    "Failed to load segment %d of firmware.\n",
				    fragment);
7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930 7931 7932 7933 7934
				break;
			}

			fwcode += wlen;
			risc_addr += wlen;
			risc_size -= wlen;
			fragment++;
		}

		/* Next segment. */
		seg++;
	}
	return rval;

fail_fw_integrity:
	return QLA_FUNCTION_FAILED;
}

7935 7936
static int
qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7937 7938
{
	int	rval;
7939 7940 7941 7942 7943 7944
	uint templates, segments, fragment;
	uint32_t *dcode;
	ulong dlen;
	uint32_t risc_addr, risc_size, risc_attr = 0;
	ulong i;
	uint j;
7945
	struct fw_blob *blob;
7946
	uint32_t *fwcode;
7947
	struct qla_hw_data *ha = vha->hw;
7948
	struct req_que *req = ha->req_q_map[0];
7949 7950 7951 7952
	struct fwdt *fwdt = ha->fwdt;

	ql_dbg(ql_dbg_init, vha, 0x0090,
	    "-> FW: Loading via request-firmware.\n");
7953

7954
	blob = qla2x00_request_firmware(vha);
7955
	if (!blob) {
7956 7957
		ql_log(ql_log_warn, vha, 0x0092,
		    "-> Firmware file not found.\n");
7958

7959
		return QLA_FUNCTION_FAILED;
7960 7961
	}

7962
	fwcode = (void *)blob->fw->data;
7963
	dcode = fwcode;
7964
	if (qla24xx_risc_firmware_invalid(dcode)) {
7965
		ql_log(ql_log_fatal, vha, 0x0093,
7966
		    "Unable to verify integrity of firmware image (%zd).\n",
7967
		    blob->fw->size);
7968 7969 7970
		ql_log(ql_log_fatal, vha, 0x0095,
		    "Firmware data: %08x %08x %08x %08x.\n",
		    dcode[0], dcode[1], dcode[2], dcode[3]);
7971
		return QLA_FUNCTION_FAILED;
7972 7973
	}

7974 7975 7976 7977 7978 7979
	dcode = (void *)req->ring;
	*srisc_addr = 0;
	segments = FA_RISC_CODE_SEGMENTS;
	for (j = 0; j < segments; j++) {
		ql_dbg(ql_dbg_init, vha, 0x0096,
		    "-> Loading segment %u...\n", j);
7980 7981 7982
		risc_addr = be32_to_cpu(fwcode[2]);
		risc_size = be32_to_cpu(fwcode[3]);

7983 7984 7985
		if (!*srisc_addr) {
			*srisc_addr = risc_addr;
			risc_attr = be32_to_cpu(fwcode[9]);
7986 7987
		}

7988 7989
		dlen = ha->fw_transfer_size >> 2;
		for (fragment = 0; risc_size; fragment++) {
7990 7991 7992
			if (dlen > risc_size)
				dlen = risc_size;

7993
			ql_dbg(ql_dbg_init, vha, 0x0097,
7994 7995 7996 7997
			    "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
			    fragment, risc_addr,
			    (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
			    dlen);
7998 7999 8000 8001

			for (i = 0; i < dlen; i++)
				dcode[i] = swab32(fwcode[i]);

8002
			rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8003
			if (rval) {
8004
				ql_log(ql_log_fatal, vha, 0x0098,
8005
				    "-> Failed load firmware fragment %u.\n",
8006
				    fragment);
8007
				return QLA_FUNCTION_FAILED;
8008 8009 8010 8011 8012 8013 8014
			}

			fwcode += dlen;
			risc_addr += dlen;
			risc_size -= dlen;
		}
	}
8015

8016
	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8017
		return QLA_SUCCESS;
8018

8019 8020 8021 8022 8023 8024 8025 8026 8027 8028 8029 8030 8031 8032 8033 8034 8035 8036
	templates = (risc_attr & BIT_9) ? 2 : 1;
	ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
	for (j = 0; j < templates; j++, fwdt++) {
		if (fwdt->template)
			vfree(fwdt->template);
		fwdt->template = NULL;
		fwdt->length = 0;

		risc_size = be32_to_cpu(fwcode[2]);
		ql_dbg(ql_dbg_init, vha, 0x0171,
		    "-> fwdt%u template array at %#x (%#x dwords)\n",
		    j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
		    risc_size);
		if (!risc_size || !~risc_size) {
			ql_dbg(ql_dbg_init, vha, 0x0172,
			    "-> fwdt%u failed to read array\n", j);
			goto failed;
		}
8037

8038 8039 8040 8041 8042 8043 8044 8045 8046 8047 8048 8049 8050
		/* skip header and ignore checksum */
		fwcode += 7;
		risc_size -= 8;

		ql_dbg(ql_dbg_init, vha, 0x0173,
		    "-> fwdt%u template allocate template %#x words...\n",
		    j, risc_size);
		fwdt->template = vmalloc(risc_size * sizeof(*dcode));
		if (!fwdt->template) {
			ql_log(ql_log_warn, vha, 0x0174,
			    "-> fwdt%u failed allocate template.\n", j);
			goto failed;
		}
8051

8052 8053
		dcode = fwdt->template;
		for (i = 0; i < risc_size; i++)
8054
			dcode[i] = fwcode[i];
8055

8056 8057 8058 8059 8060
		if (!qla27xx_fwdt_template_valid(dcode)) {
			ql_log(ql_log_warn, vha, 0x0175,
			    "-> fwdt%u failed template validate\n", j);
			goto failed;
		}
8061

8062 8063 8064 8065 8066 8067 8068 8069 8070 8071 8072 8073 8074 8075 8076 8077
		dlen = qla27xx_fwdt_template_size(dcode);
		ql_dbg(ql_dbg_init, vha, 0x0176,
		    "-> fwdt%u template size %#lx bytes (%#lx words)\n",
		    j, dlen, dlen / sizeof(*dcode));
		if (dlen > risc_size * sizeof(*dcode)) {
			ql_log(ql_log_warn, vha, 0x0177,
			    "-> fwdt%u template exceeds array (%-lu bytes)\n",
			    j, dlen - risc_size * sizeof(*dcode));
			goto failed;
		}

		fwdt->length = dlen;
		ql_dbg(ql_dbg_init, vha, 0x0178,
		    "-> fwdt%u loaded template ok\n", j);

		fwcode += risc_size + 1;
8078
	}
8079 8080

	return QLA_SUCCESS;
8081

8082
failed:
8083 8084 8085 8086 8087 8088
	if (fwdt->template)
		vfree(fwdt->template);
	fwdt->template = NULL;
	fwdt->length = 0;

	return QLA_SUCCESS;
8089
}
8090

8091 8092 8093 8094 8095
int
qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
{
	int rval;

8096 8097 8098
	if (ql2xfwloadbin == 1)
		return qla81xx_load_risc(vha, srisc_addr);

8099 8100 8101 8102 8103 8104 8105 8106 8107
	/*
	 * FW Load priority:
	 * 1) Firmware via request-firmware interface (.bin file).
	 * 2) Firmware residing in flash.
	 */
	rval = qla24xx_load_risc_blob(vha, srisc_addr);
	if (rval == QLA_SUCCESS)
		return rval;

8108 8109
	return qla24xx_load_risc_flash(vha, srisc_addr,
	    vha->hw->flt_region_fw);
8110 8111 8112 8113 8114 8115
}

int
qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
{
	int rval;
8116
	struct qla_hw_data *ha = vha->hw;
8117
	struct active_regions active_regions = { };
8118

8119
	if (ql2xfwloadbin == 2)
8120
		goto try_blob_fw;
8121

8122
	/* FW Load priority:
8123 8124
	 * 1) Firmware residing in flash.
	 * 2) Firmware via request-firmware interface (.bin file).
8125
	 * 3) Golden-Firmware residing in flash -- (limited operation).
8126
	 */
8127

8128
	if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8129 8130
		goto try_primary_fw;

8131 8132 8133
	qla27xx_get_active_image(vha, &active_regions);

	if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8134 8135 8136 8137 8138 8139 8140 8141 8142 8143 8144
		goto try_primary_fw;

	ql_dbg(ql_dbg_init, vha, 0x008b,
	    "Loading secondary firmware image.\n");
	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
	if (!rval)
		return rval;

try_primary_fw:
	ql_dbg(ql_dbg_init, vha, 0x008b,
	    "Loading primary firmware image.\n");
8145
	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8146
	if (!rval)
8147 8148
		return rval;

8149 8150
try_blob_fw:
	rval = qla24xx_load_risc_blob(vha, srisc_addr);
8151
	if (!rval || !ha->flt_region_gold_fw)
8152 8153
		return rval;

8154 8155
	ql_log(ql_log_info, vha, 0x0099,
	    "Attempting to fallback to golden firmware.\n");
8156
	rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8157
	if (rval)
8158 8159
		return rval;

8160
	ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8161 8162
	ha->flags.running_gold_fw = 1;
	return rval;
8163 8164
}

8165
void
8166
qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8167 8168
{
	int ret, retries;
8169
	struct qla_hw_data *ha = vha->hw;
8170

8171 8172
	if (ha->flags.pci_channel_io_perm_failure)
		return;
8173
	if (!IS_FWI2_CAPABLE(ha))
8174
		return;
8175 8176
	if (!ha->fw_major_version)
		return;
8177 8178
	if (!ha->flags.fw_started)
		return;
8179

8180
	ret = qla2x00_stop_firmware(vha);
8181
	for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8182
	    ret != QLA_INVALID_COMMAND && retries ; retries--) {
8183 8184
		ha->isp_ops->reset_chip(vha);
		if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8185
			continue;
8186
		if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8187
			continue;
8188 8189
		ql_log(ql_log_info, vha, 0x8015,
		    "Attempting retry of stop-firmware command.\n");
8190
		ret = qla2x00_stop_firmware(vha);
8191
	}
8192

8193
	QLA_FW_STOPPED(ha);
8194
	ha->flags.fw_init_done = 0;
8195
}
8196 8197

int
8198
qla24xx_configure_vhba(scsi_qla_host_t *vha)
8199 8200
{
	int rval = QLA_SUCCESS;
8201
	int rval2;
8202
	uint16_t mb[MAILBOX_REGISTER_COUNT];
8203 8204
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8205

8206
	if (!vha->vp_idx)
8207 8208
		return -EINVAL;

8209
	rval = qla2x00_fw_ready(base_vha);
8210

8211
	if (rval == QLA_SUCCESS) {
8212
		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8213
		qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8214 8215
	}

8216
	vha->flags.management_server_logged_in = 0;
8217 8218

	/* Login to SNS first */
8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230
	rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
	    BIT_1);
	if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
		if (rval2 == QLA_MEMORY_ALLOC_FAILED)
			ql_dbg(ql_dbg_init, vha, 0x0120,
			    "Failed SNS login: loop_id=%x, rval2=%d\n",
			    NPH_SNS, rval2);
		else
			ql_dbg(ql_dbg_init, vha, 0x0103,
			    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
			    "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
			    NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8231 8232 8233
		return (QLA_FUNCTION_FAILED);
	}

8234 8235 8236 8237 8238
	atomic_set(&vha->loop_down_timer, 0);
	atomic_set(&vha->loop_state, LOOP_UP);
	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
	rval = qla2x00_loop_resync(base_vha);
8239 8240 8241

	return rval;
}
8242 8243 8244 8245 8246 8247 8248

/* 84XX Support **************************************************************/

static LIST_HEAD(qla_cs84xx_list);
static DEFINE_MUTEX(qla_cs84xx_mutex);

static struct qla_chip_state_84xx *
8249
qla84xx_get_chip(struct scsi_qla_host *vha)
8250 8251
{
	struct qla_chip_state_84xx *cs84xx;
8252
	struct qla_hw_data *ha = vha->hw;
8253 8254 8255 8256 8257 8258 8259 8260 8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271 8272 8273 8274 8275 8276 8277 8278 8279 8280 8281 8282 8283 8284 8285 8286 8287 8288 8289 8290 8291

	mutex_lock(&qla_cs84xx_mutex);

	/* Find any shared 84xx chip. */
	list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
		if (cs84xx->bus == ha->pdev->bus) {
			kref_get(&cs84xx->kref);
			goto done;
		}
	}

	cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
	if (!cs84xx)
		goto done;

	kref_init(&cs84xx->kref);
	spin_lock_init(&cs84xx->access_lock);
	mutex_init(&cs84xx->fw_update_mutex);
	cs84xx->bus = ha->pdev->bus;

	list_add_tail(&cs84xx->list, &qla_cs84xx_list);
done:
	mutex_unlock(&qla_cs84xx_mutex);
	return cs84xx;
}

static void
__qla84xx_chip_release(struct kref *kref)
{
	struct qla_chip_state_84xx *cs84xx =
	    container_of(kref, struct qla_chip_state_84xx, kref);

	mutex_lock(&qla_cs84xx_mutex);
	list_del(&cs84xx->list);
	mutex_unlock(&qla_cs84xx_mutex);
	kfree(cs84xx);
}

void
8292
qla84xx_put_chip(struct scsi_qla_host *vha)
8293
{
8294
	struct qla_hw_data *ha = vha->hw;
8295

8296 8297 8298 8299 8300
	if (ha->cs84xx)
		kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
}

static int
8301
qla84xx_init_chip(scsi_qla_host_t *vha)
8302 8303 8304
{
	int rval;
	uint16_t status[2];
8305
	struct qla_hw_data *ha = vha->hw;
8306 8307 8308

	mutex_lock(&ha->cs84xx->fw_update_mutex);

8309
	rval = qla84xx_verify_chip(vha, status);
8310 8311 8312

	mutex_unlock(&ha->cs84xx->fw_update_mutex);

8313
	return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8314 8315
	    QLA_SUCCESS;
}
8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329

/* 81XX Support **************************************************************/

int
qla81xx_nvram_config(scsi_qla_host_t *vha)
{
	int   rval;
	struct init_cb_81xx *icb;
	struct nvram_81xx *nv;
	uint32_t *dptr;
	uint8_t  *dptr1, *dptr2;
	uint32_t chksum;
	uint16_t cnt;
	struct qla_hw_data *ha = vha->hw;
8330 8331
	uint32_t faddr;
	struct active_regions active_regions = { };
8332 8333 8334 8335 8336 8337

	rval = QLA_SUCCESS;
	icb = (struct init_cb_81xx *)ha->init_cb;
	nv = ha->nvram;

	/* Determine NVRAM starting address. */
8338
	ha->nvram_size = sizeof(*nv);
8339
	ha->vpd_size = FA_NVRAM_VPD_SIZE;
8340 8341
	if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
		ha->vpd_size = FA_VPD_SIZE_82XX;
8342

8343
	if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8344 8345
		qla28xx_get_aux_images(vha, &active_regions);

8346 8347
	/* Get VPD data into cache */
	ha->vpd = ha->nvram + VPD_OFFSET;
8348 8349 8350 8351 8352 8353 8354 8355 8356 8357

	faddr = ha->flt_region_vpd;
	if (IS_QLA28XX(ha)) {
		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
			faddr = ha->flt_region_vpd_sec;
		ql_dbg(ql_dbg_init, vha, 0x0110,
		    "Loading %s nvram image.\n",
		    active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
		    "primary" : "secondary");
	}
8358
	ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8359 8360

	/* Get NVRAM data into cache and calculate checksum. */
8361 8362 8363 8364 8365 8366 8367 8368 8369
	faddr = ha->flt_region_nvram;
	if (IS_QLA28XX(ha)) {
		if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
			faddr = ha->flt_region_nvram_sec;
	}
	ql_dbg(ql_dbg_init, vha, 0x0110,
	    "Loading %s nvram image.\n",
	    active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
	    "primary" : "secondary");
8370
	ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8371

8372
	dptr = (uint32_t *)nv;
8373 8374
	for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
		chksum += le32_to_cpu(*dptr);
8375

8376 8377 8378
	ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
	    "Contents of NVRAM:\n");
	ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8379
	    nv, ha->nvram_size);
8380 8381

	/* Bad NVRAM data, set defaults parameters. */
8382 8383
	if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
	    le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8384
		/* Reset NVRAM data. */
8385
		ql_log(ql_log_info, vha, 0x0073,
8386 8387 8388
		    "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
		    chksum, nv->id, le16_to_cpu(nv->nvram_version));
		ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8389 8390 8391
		ql_log(ql_log_info, vha, 0x0074,
		    "Falling back to functioning (yet invalid -- WWPN) "
		    "defaults.\n");
8392 8393 8394 8395 8396

		/*
		 * Set default initialization control block.
		 */
		memset(nv, 0, ha->nvram_size);
8397 8398
		nv->nvram_version = cpu_to_le16(ICB_VERSION);
		nv->version = cpu_to_le16(ICB_VERSION);
8399
		nv->frame_payload_size = 2048;
8400 8401
		nv->execution_throttle = cpu_to_le16(0xFFFF);
		nv->exchange_count = cpu_to_le16(0);
8402
		nv->port_name[0] = 0x21;
8403
		nv->port_name[1] = 0x00 + ha->port_no + 1;
8404 8405 8406 8407 8408 8409 8410 8411 8412 8413 8414 8415 8416 8417
		nv->port_name[2] = 0x00;
		nv->port_name[3] = 0xe0;
		nv->port_name[4] = 0x8b;
		nv->port_name[5] = 0x1c;
		nv->port_name[6] = 0x55;
		nv->port_name[7] = 0x86;
		nv->node_name[0] = 0x20;
		nv->node_name[1] = 0x00;
		nv->node_name[2] = 0x00;
		nv->node_name[3] = 0xe0;
		nv->node_name[4] = 0x8b;
		nv->node_name[5] = 0x1c;
		nv->node_name[6] = 0x55;
		nv->node_name[7] = 0x86;
8418 8419 8420
		nv->login_retry_count = cpu_to_le16(8);
		nv->interrupt_delay_timer = cpu_to_le16(0);
		nv->login_timeout = cpu_to_le16(0);
8421
		nv->firmware_options_1 =
8422 8423 8424 8425 8426 8427
		    cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
		nv->firmware_options_2 = cpu_to_le32(2 << 4);
		nv->firmware_options_2 |= cpu_to_le32(BIT_12);
		nv->firmware_options_3 = cpu_to_le32(2 << 13);
		nv->host_p = cpu_to_le32(BIT_11|BIT_10);
		nv->efi_parameters = cpu_to_le32(0);
8428
		nv->reset_delay = 5;
8429 8430 8431
		nv->max_luns_per_target = cpu_to_le16(128);
		nv->port_down_retry_count = cpu_to_le16(30);
		nv->link_down_timeout = cpu_to_le16(180);
8432
		nv->enode_mac[0] = 0x00;
8433 8434
		nv->enode_mac[1] = 0xC0;
		nv->enode_mac[2] = 0xDD;
8435 8436
		nv->enode_mac[3] = 0x04;
		nv->enode_mac[4] = 0x05;
8437
		nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8438 8439 8440 8441

		rval = 1;
	}

8442 8443 8444
	if (IS_T10_PI_CAPABLE(ha))
		nv->frame_payload_size &= ~7;

8445 8446
	qlt_81xx_config_nvram_stage1(vha, nv);

8447
	/* Reset Initialization control block */
8448
	memset(icb, 0, ha->init_cb_size);
8449 8450 8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469

	/* Copy 1st segment. */
	dptr1 = (uint8_t *)icb;
	dptr2 = (uint8_t *)&nv->version;
	cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
	while (cnt--)
		*dptr1++ = *dptr2++;

	icb->login_retry_count = nv->login_retry_count;

	/* Copy 2nd segment. */
	dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
	dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
	cnt = (uint8_t *)&icb->reserved_5 -
	    (uint8_t *)&icb->interrupt_delay_timer;
	while (cnt--)
		*dptr1++ = *dptr2++;

	memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
	/* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
	if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8470 8471 8472
		icb->enode_mac[0] = 0x00;
		icb->enode_mac[1] = 0xC0;
		icb->enode_mac[2] = 0xDD;
8473 8474
		icb->enode_mac[3] = 0x04;
		icb->enode_mac[4] = 0x05;
8475
		icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8476 8477
	}

8478 8479
	/* Use extended-initialization control block. */
	memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8480
	ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8481 8482 8483 8484
	/*
	 * Setup driver NVRAM options.
	 */
	qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8485
	    "QLE8XXX");
8486

8487 8488
	qlt_81xx_config_nvram_stage2(vha, icb);

8489
	/* Use alternate WWN? */
8490
	if (nv->host_p & cpu_to_le32(BIT_15)) {
8491 8492 8493 8494 8495
		memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
		memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
	}

	/* Prepare nodename */
8496
	if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8497 8498 8499 8500 8501 8502 8503 8504 8505 8506 8507 8508
		/*
		 * Firmware will apply the following mask if the nodename was
		 * not provided.
		 */
		memcpy(icb->node_name, icb->port_name, WWN_SIZE);
		icb->node_name[0] &= 0xF0;
	}

	/* Set host adapter parameters. */
	ha->flags.disable_risc_code_load = 0;
	ha->flags.enable_lip_reset = 0;
	ha->flags.enable_lip_full_login =
8509
	    le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8510
	ha->flags.enable_target_reset =
8511
	    le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8512
	ha->flags.enable_led_scheme = 0;
8513
	ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8514 8515 8516 8517 8518 8519 8520 8521 8522 8523 8524

	ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
	    (BIT_6 | BIT_5 | BIT_4)) >> 4;

	/* save HBA serial number */
	ha->serial0 = icb->port_name[5];
	ha->serial1 = icb->port_name[6];
	ha->serial2 = icb->port_name[7];
	memcpy(vha->node_name, icb->node_name, WWN_SIZE);
	memcpy(vha->port_name, icb->port_name, WWN_SIZE);

8525
	icb->execution_throttle = cpu_to_le16(0xFFFF);
8526 8527 8528 8529 8530 8531 8532

	ha->retry_count = le16_to_cpu(nv->login_retry_count);

	/* Set minimum login_timeout to 4 seconds. */
	if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
		nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
	if (le16_to_cpu(nv->login_timeout) < 4)
8533
		nv->login_timeout = cpu_to_le16(4);
8534 8535 8536 8537 8538 8539 8540 8541 8542
	ha->login_timeout = le16_to_cpu(nv->login_timeout);

	/* Set minimum RATOV to 100 tenths of a second. */
	ha->r_a_tov = 100;

	ha->loop_reset_delay = nv->reset_delay;

	/* Link Down Timeout = 0:
	 *
8543
	 *	When Port Down timer expires we will start returning
8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563 8564 8565 8566 8567 8568 8569 8570 8571 8572 8573 8574 8575
	 *	I/O's to OS with "DID_NO_CONNECT".
	 *
	 * Link Down Timeout != 0:
	 *
	 *	 The driver waits for the link to come up after link down
	 *	 before returning I/Os to OS with "DID_NO_CONNECT".
	 */
	if (le16_to_cpu(nv->link_down_timeout) == 0) {
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
	} else {
		ha->link_down_timeout =	le16_to_cpu(nv->link_down_timeout);
		ha->loop_down_abort_time =
		    (LOOP_DOWN_TIME - ha->link_down_timeout);
	}

	/* Need enough time to try and get the port back. */
	ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
	if (qlport_down_retry)
		ha->port_down_retry_count = qlport_down_retry;

	/* Set login_retry_count */
	ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
	if (ha->port_down_retry_count ==
	    le16_to_cpu(nv->port_down_retry_count) &&
	    ha->port_down_retry_count > 3)
		ha->login_retry_count = ha->port_down_retry_count;
	else if (ha->port_down_retry_count > (int)ha->login_retry_count)
		ha->login_retry_count = ha->port_down_retry_count;
	if (ql2xloginretrycount)
		ha->login_retry_count = ql2xloginretrycount;

8576
	/* if not running MSI-X we need handshaking on interrupts */
8577 8578
	if (!vha->hw->flags.msix_enabled &&
	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8579
		icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8580

8581 8582 8583 8584 8585
	/* Enable ZIO. */
	if (!vha->flags.init_done) {
		ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
		    (BIT_3 | BIT_2 | BIT_1 | BIT_0);
		ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8586
		    le16_to_cpu(icb->interrupt_delay_timer) : 2;
8587
	}
8588
	icb->firmware_options_2 &= cpu_to_le32(
8589 8590 8591 8592 8593
	    ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
	vha->flags.process_response_queue = 0;
	if (ha->zio_mode != QLA_ZIO_DISABLED) {
		ha->zio_mode = QLA_ZIO_MODE_6;

8594
		ql_log(ql_log_info, vha, 0x0075,
8595
		    "ZIO mode %d enabled; timer delay (%d us).\n",
8596 8597
		    ha->zio_mode,
		    ha->zio_timer * 100);
8598 8599 8600 8601 8602 8603 8604

		icb->firmware_options_2 |= cpu_to_le32(
		    (uint32_t)ha->zio_mode);
		icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
		vha->flags.process_response_queue = 1;
	}

8605
	 /* enable RIDA Format2 */
8606
	icb->firmware_options_3 |= BIT_0;
8607

8608 8609
	/* N2N: driver will initiate Login instead of FW */
	icb->firmware_options_3 |= BIT_8;
8610

8611 8612 8613
	/* Determine NVMe/FCP priority for target ports */
	ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);

8614
	if (rval) {
8615 8616
		ql_log(ql_log_warn, vha, 0x0076,
		    "NVRAM configuration failed.\n");
8617 8618 8619 8620
	}
	return (rval);
}

8621 8622 8623 8624 8625 8626
int
qla82xx_restart_isp(scsi_qla_host_t *vha)
{
	int status, rval;
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *vp;
8627
	unsigned long flags;
8628 8629 8630 8631 8632 8633 8634 8635 8636

	status = qla2x00_init_rings(vha);
	if (!status) {
		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
		ha->flags.chip_reset_done = 1;

		status = qla2x00_fw_ready(vha);
		if (!status) {
			/* Issue a marker after FW becomes ready. */
8637
			qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8638
			vha->flags.online = 1;
8639
			set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662
		}

		/* if no cable then assume it's good */
		if ((vha->device_flags & DFLG_NO_CABLE))
			status = 0;
	}

	if (!status) {
		clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);

		if (!atomic_read(&vha->loop_down_timer)) {
			/*
			 * Issue marker command only when we are going
			 * to start the I/O .
			 */
			vha->marker_needed = 1;
		}

		ha->isp_ops->enable_intrs(ha);

		ha->isp_abort_cnt = 0;
		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);

8663
		/* Update the firmware version */
8664
		status = qla82xx_check_md_needed(vha);
8665

8666 8667 8668 8669 8670 8671 8672 8673
		if (ha->fce) {
			ha->flags.fce_enabled = 1;
			memset(ha->fce, 0,
			    fce_calc_size(ha->fce_bufs));
			rval = qla2x00_enable_fce_trace(vha,
			    ha->fce_dma, ha->fce_bufs, ha->fce_mb,
			    &ha->fce_bufs);
			if (rval) {
8674
				ql_log(ql_log_warn, vha, 0x8001,
8675 8676
				    "Unable to reinitialize FCE (%d).\n",
				    rval);
8677 8678 8679 8680 8681 8682 8683 8684 8685
				ha->flags.fce_enabled = 0;
			}
		}

		if (ha->eft) {
			memset(ha->eft, 0, EFT_SIZE);
			rval = qla2x00_enable_eft_trace(vha,
			    ha->eft_dma, EFT_NUM_BUFFERS);
			if (rval) {
8686
				ql_log(ql_log_warn, vha, 0x8010,
8687 8688
				    "Unable to reinitialize EFT (%d).\n",
				    rval);
8689 8690 8691 8692 8693
			}
		}
	}

	if (!status) {
8694
		ql_dbg(ql_dbg_taskm, vha, 0x8011,
8695
		    "qla82xx_restart_isp succeeded.\n");
8696 8697 8698 8699 8700 8701 8702

		spin_lock_irqsave(&ha->vport_slock, flags);
		list_for_each_entry(vp, &ha->vp_list, list) {
			if (vp->vp_idx) {
				atomic_inc(&vp->vref_count);
				spin_unlock_irqrestore(&ha->vport_slock, flags);

8703
				qla2x00_vp_abort_isp(vp);
8704 8705 8706 8707

				spin_lock_irqsave(&ha->vport_slock, flags);
				atomic_dec(&vp->vref_count);
			}
8708
		}
8709 8710
		spin_unlock_irqrestore(&ha->vport_slock, flags);

8711
	} else {
8712
		ql_log(ql_log_warn, vha, 0x8016,
8713
		    "qla82xx_restart_isp **** FAILED ****.\n");
8714 8715 8716 8717 8718
	}

	return status;
}

8719 8720 8721 8722 8723 8724 8725 8726
/*
 * qla24xx_get_fcp_prio
 *	Gets the fcp cmd priority value for the logged in port.
 *	Looks for a match of the port descriptors within
 *	each of the fcp prio config entries. If a match is found,
 *	the tag (priority) value is returned.
 *
 * Input:
8727
 *	vha = scsi host structure pointer.
8728 8729 8730
 *	fcport = port structure pointer.
 *
 * Return:
8731
 *	non-zero (if found)
8732
 *	-1 (if not found)
8733 8734 8735 8736
 *
 * Context:
 * 	Kernel context
 */
8737
static int
8738 8739 8740 8741
qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
{
	int i, entries;
	uint8_t pid_match, wwn_match;
8742
	int priority;
8743 8744 8745 8746 8747 8748
	uint32_t pid1, pid2;
	uint64_t wwn1, wwn2;
	struct qla_fcp_prio_entry *pri_entry;
	struct qla_hw_data *ha = vha->hw;

	if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8749
		return -1;
8750

8751
	priority = -1;
8752 8753 8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766 8767 8768 8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779 8780 8781 8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820
	entries = ha->fcp_prio_cfg->num_entries;
	pri_entry = &ha->fcp_prio_cfg->entry[0];

	for (i = 0; i < entries; i++) {
		pid_match = wwn_match = 0;

		if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
			pri_entry++;
			continue;
		}

		/* check source pid for a match */
		if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
			pid1 = pri_entry->src_pid & INVALID_PORT_ID;
			pid2 = vha->d_id.b24 & INVALID_PORT_ID;
			if (pid1 == INVALID_PORT_ID)
				pid_match++;
			else if (pid1 == pid2)
				pid_match++;
		}

		/* check destination pid for a match */
		if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
			pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
			pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
			if (pid1 == INVALID_PORT_ID)
				pid_match++;
			else if (pid1 == pid2)
				pid_match++;
		}

		/* check source WWN for a match */
		if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
			wwn1 = wwn_to_u64(vha->port_name);
			wwn2 = wwn_to_u64(pri_entry->src_wwpn);
			if (wwn2 == (uint64_t)-1)
				wwn_match++;
			else if (wwn1 == wwn2)
				wwn_match++;
		}

		/* check destination WWN for a match */
		if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
			wwn1 = wwn_to_u64(fcport->port_name);
			wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
			if (wwn2 == (uint64_t)-1)
				wwn_match++;
			else if (wwn1 == wwn2)
				wwn_match++;
		}

		if (pid_match == 2 || wwn_match == 2) {
			/* Found a matching entry */
			if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
				priority = pri_entry->tag;
			break;
		}

		pri_entry++;
	}

	return priority;
}

/*
 * qla24xx_update_fcport_fcp_prio
 *	Activates fcp priority for the logged in fc port
 *
 * Input:
8821
 *	vha = scsi host structure pointer.
8822 8823 8824 8825 8826 8827 8828 8829 8830
 *	fcp = port structure pointer.
 *
 * Return:
 *	QLA_SUCCESS or QLA_FUNCTION_FAILED
 *
 * Context:
 *	Kernel context.
 */
int
8831
qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8832 8833
{
	int ret;
8834
	int priority;
8835 8836
	uint16_t mb[5];

8837 8838
	if (fcport->port_type != FCT_TARGET ||
	    fcport->loop_id == FC_NO_LOOP_ID)
8839 8840
		return QLA_FUNCTION_FAILED;

8841
	priority = qla24xx_get_fcp_prio(vha, fcport);
8842 8843 8844
	if (priority < 0)
		return QLA_FUNCTION_FAILED;

8845
	if (IS_P3P_TYPE(vha->hw)) {
8846 8847 8848 8849
		fcport->fcp_prio = priority & 0xf;
		return QLA_SUCCESS;
	}

8850
	ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8851 8852 8853 8854 8855 8856 8857
	if (ret == QLA_SUCCESS) {
		if (fcport->fcp_prio != priority)
			ql_dbg(ql_dbg_user, vha, 0x709e,
			    "Updated FCP_CMND priority - value=%d loop_id=%d "
			    "port_id=%02x%02x%02x.\n", priority,
			    fcport->loop_id, fcport->d_id.b.domain,
			    fcport->d_id.b.area, fcport->d_id.b.al_pa);
8858
		fcport->fcp_prio = priority & 0xf;
8859
	} else
8860
		ql_dbg(ql_dbg_user, vha, 0x704f,
8861 8862 8863 8864
		    "Unable to update FCP_CMND priority - ret=0x%x for "
		    "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
		    fcport->d_id.b.domain, fcport->d_id.b.area,
		    fcport->d_id.b.al_pa);
8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893
	return  ret;
}

/*
 * qla24xx_update_all_fcp_prio
 *	Activates fcp priority for all the logged in ports
 *
 * Input:
 *	ha = adapter block pointer.
 *
 * Return:
 *	QLA_SUCCESS or QLA_FUNCTION_FAILED
 *
 * Context:
 *	Kernel context.
 */
int
qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
{
	int ret;
	fc_port_t *fcport;

	ret = QLA_FUNCTION_FAILED;
	/* We need to set priority for all logged in ports */
	list_for_each_entry(fcport, &vha->vp_fcports, list)
		ret = qla24xx_update_fcport_fcp_prio(vha, fcport);

	return ret;
}
8894

8895 8896
struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
	int vp_idx, bool startqp)
8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908 8909 8910 8911
{
	int rsp_id = 0;
	int  req_id = 0;
	int i;
	struct qla_hw_data *ha = vha->hw;
	uint16_t qpair_id = 0;
	struct qla_qpair *qpair = NULL;
	struct qla_msix_entry *msix;

	if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
		ql_log(ql_log_warn, vha, 0x00181,
		    "FW/Driver is not multi-queue capable.\n");
		return NULL;
	}

8912
	if (ql2xmqsupport || ql2xnvmeenable) {
8913 8914 8915 8916 8917 8918 8919 8920
		qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
		if (qpair == NULL) {
			ql_log(ql_log_warn, vha, 0x0182,
			    "Failed to allocate memory for queue pair.\n");
			return NULL;
		}

		qpair->hw = vha->hw;
8921
		qpair->vha = vha;
8922 8923
		qpair->qp_lock_ptr = &qpair->qp_lock;
		spin_lock_init(&qpair->qp_lock);
8924
		qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8925 8926 8927 8928

		/* Assign available que pair id */
		mutex_lock(&ha->mq_lock);
		qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8929
		if (ha->num_qpairs >= ha->max_qpairs) {
8930 8931 8932 8933 8934
			mutex_unlock(&ha->mq_lock);
			ql_log(ql_log_warn, vha, 0x0183,
			    "No resources to create additional q pair.\n");
			goto fail_qid_map;
		}
8935
		ha->num_qpairs++;
8936 8937 8938 8939
		set_bit(qpair_id, ha->qpair_qid_map);
		ha->queue_pair_map[qpair_id] = qpair;
		qpair->id = qpair_id;
		qpair->vp_idx = vp_idx;
8940
		qpair->fw_started = ha->flags.fw_started;
8941
		INIT_LIST_HEAD(&qpair->hints_list);
8942 8943 8944 8945
		qpair->chip_reset = ha->base_qpair->chip_reset;
		qpair->enable_class_2 = ha->base_qpair->enable_class_2;
		qpair->enable_explicit_conf =
		    ha->base_qpair->enable_explicit_conf;
8946 8947

		for (i = 0; i < ha->msix_count; i++) {
8948
			msix = &ha->msix_entries[i];
8949 8950 8951
			if (msix->in_use)
				continue;
			qpair->msix = msix;
8952
			ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963
			    "Vector %x selected for qpair\n", msix->vector);
			break;
		}
		if (!qpair->msix) {
			ql_log(ql_log_warn, vha, 0x0184,
			    "Out of MSI-X vectors!.\n");
			goto fail_msix;
		}

		qpair->msix->in_use = 1;
		list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8964
		qpair->pdev = ha->pdev;
8965
		if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
8966
			qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8967 8968 8969 8970

		mutex_unlock(&ha->mq_lock);

		/* Create response queue first */
8971
		rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8972 8973 8974 8975 8976 8977 8978 8979 8980
		if (!rsp_id) {
			ql_log(ql_log_warn, vha, 0x0185,
			    "Failed to create response queue.\n");
			goto fail_rsp;
		}

		qpair->rsp = ha->rsp_q_map[rsp_id];

		/* Create request queue */
8981 8982
		req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
		    startqp);
8983 8984 8985 8986 8987 8988 8989 8990
		if (!req_id) {
			ql_log(ql_log_warn, vha, 0x0186,
			    "Failed to create request queue.\n");
			goto fail_req;
		}

		qpair->req = ha->req_q_map[req_id];
		qpair->rsp->req = qpair->req;
8991
		qpair->rsp->qpair = qpair;
8992 8993
		/* init qpair to this cpu. Will adjust at run time. */
		qla_cpu_update(qpair, smp_processor_id());
8994 8995 8996 8997 8998 8999 9000 9001

		if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
			if (ha->fw_attributes & BIT_4)
				qpair->difdix_supported = 1;
		}

		qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
		if (!qpair->srb_mempool) {
9002
			ql_log(ql_log_warn, vha, 0xd036,
9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024 9025 9026 9027 9028 9029 9030 9031 9032 9033 9034
			    "Failed to create srb mempool for qpair %d\n",
			    qpair->id);
			goto fail_mempool;
		}

		/* Mark as online */
		qpair->online = 1;

		if (!vha->flags.qpairs_available)
			vha->flags.qpairs_available = 1;

		ql_dbg(ql_dbg_multiq, vha, 0xc00d,
		    "Request/Response queue pair created, id %d\n",
		    qpair->id);
		ql_dbg(ql_dbg_init, vha, 0x0187,
		    "Request/Response queue pair created, id %d\n",
		    qpair->id);
	}
	return qpair;

fail_mempool:
fail_req:
	qla25xx_delete_rsp_que(vha, qpair->rsp);
fail_rsp:
	mutex_lock(&ha->mq_lock);
	qpair->msix->in_use = 0;
	list_del(&qpair->qp_list_elem);
	if (list_empty(&vha->qp_list))
		vha->flags.qpairs_available = 0;
fail_msix:
	ha->queue_pair_map[qpair_id] = NULL;
	clear_bit(qpair_id, ha->qpair_qid_map);
9035
	ha->num_qpairs--;
9036 9037 9038 9039 9040 9041 9042 9043
	mutex_unlock(&ha->mq_lock);
fail_qid_map:
	kfree(qpair);
	return NULL;
}

int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
{
9044
	int ret = QLA_FUNCTION_FAILED;
9045 9046 9047 9048 9049 9050 9051
	struct qla_hw_data *ha = qpair->hw;

	qpair->delete_in_progress = 1;

	ret = qla25xx_delete_req_que(vha, qpair->req);
	if (ret != QLA_SUCCESS)
		goto fail;
9052

9053 9054 9055 9056 9057 9058 9059
	ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
	if (ret != QLA_SUCCESS)
		goto fail;

	mutex_lock(&ha->mq_lock);
	ha->queue_pair_map[qpair->id] = NULL;
	clear_bit(qpair->id, ha->qpair_qid_map);
9060
	ha->num_qpairs--;
9061
	list_del(&qpair->qp_list_elem);
9062
	if (list_empty(&vha->qp_list)) {
9063
		vha->flags.qpairs_available = 0;
9064 9065 9066
		vha->flags.qpairs_req_created = 0;
		vha->flags.qpairs_rsp_created = 0;
	}
9067 9068 9069 9070 9071 9072 9073 9074
	mempool_destroy(qpair->srb_mempool);
	kfree(qpair);
	mutex_unlock(&ha->mq_lock);

	return QLA_SUCCESS;
fail:
	return ret;
}
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