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path: root/drivers/scsi/qla2xxx/qla_init.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c10056
1 files changed, 10056 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
new file mode 100644
index 000000000..884ed7725
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -0,0 +1,10056 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2014 QLogic Corporation
+ */
+#include "qla_def.h"
+#include "qla_gbl.h"
+
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "qla_devtbl.h"
+
+#ifdef CONFIG_SPARC
+#include <asm/prom.h>
+#endif
+
+#include "qla_target.h"
+
+/*
+* 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 *);
+static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
+static int qla2x00_restart_isp(scsi_qla_host_t *);
+
+static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
+static int qla84xx_init_chip(scsi_qla_host_t *);
+static int qla25xx_init_queues(struct qla_hw_data *);
+static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
+ struct event_arg *ea);
+static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
+ struct event_arg *);
+static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
+
+/* SRB Extensions ---------------------------------------------------------- */
+
+void
+qla2x00_sp_timeout(struct timer_list *t)
+{
+ srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
+ struct srb_iocb *iocb;
+ scsi_qla_host_t *vha = sp->vha;
+
+ WARN_ON(irqs_disabled());
+ iocb = &sp->u.iocb_cmd;
+ iocb->timeout(sp);
+
+ /* ref: TMR */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+
+ if (vha && qla2x00_isp_reg_stat(vha->hw)) {
+ ql_log(ql_log_info, vha, 0x9008,
+ "PCI/Register disconnect.\n");
+ qla_pci_set_eeh_busy(vha);
+ }
+}
+
+void qla2x00_sp_free(srb_t *sp)
+{
+ struct srb_iocb *iocb = &sp->u.iocb_cmd;
+
+ del_timer(&iocb->timer);
+ qla2x00_rel_sp(sp);
+}
+
+void qla2xxx_rel_done_warning(srb_t *sp, int res)
+{
+ WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
+}
+
+void qla2xxx_rel_free_warning(srb_t *sp)
+{
+ WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
+}
+
+/* Asynchronous Login/Logout Routines -------------------------------------- */
+
+unsigned long
+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;
+ if (IS_QLAFX00(ha)) {
+ tmo = FX00_DEF_RATOV * 2;
+ } else if (!IS_FWI2_CAPABLE(ha)) {
+ /*
+ * Except for earlier ISPs where the timeout is seeded from the
+ * initialization control block.
+ */
+ tmo = ha->login_timeout;
+ }
+ return tmo;
+}
+
+static void qla24xx_abort_iocb_timeout(void *data)
+{
+ srb_t *sp = data;
+ struct srb_iocb *abt = &sp->u.iocb_cmd;
+ struct qla_qpair *qpair = sp->qpair;
+ u32 handle;
+ unsigned long flags;
+ int sp_found = 0, cmdsp_found = 0;
+
+ 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);
+
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
+ if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
+ sp->cmd_sp)) {
+ qpair->req->outstanding_cmds[handle] = NULL;
+ cmdsp_found = 1;
+ qla_put_fw_resources(qpair, &sp->cmd_sp->iores);
+ }
+
+ /* removing the abort */
+ if (qpair->req->outstanding_cmds[handle] == sp) {
+ qpair->req->outstanding_cmds[handle] = NULL;
+ sp_found = 1;
+ qla_put_fw_resources(qpair, &sp->iores);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+
+ if (cmdsp_found && sp->cmd_sp) {
+ /*
+ * This done function should take care of
+ * original command ref: INIT
+ */
+ sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
+ }
+
+ if (sp_found) {
+ abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
+ sp->done(sp, QLA_OS_TIMER_EXPIRED);
+ }
+}
+
+static void qla24xx_abort_sp_done(srb_t *sp, int res)
+{
+ struct srb_iocb *abt = &sp->u.iocb_cmd;
+ srb_t *orig_sp = sp->cmd_sp;
+
+ if (orig_sp)
+ qla_wait_nvme_release_cmd_kref(orig_sp);
+
+ if (sp->flags & SRB_WAKEUP_ON_COMP)
+ complete(&abt->u.abt.comp);
+ else
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
+{
+ scsi_qla_host_t *vha = cmd_sp->vha;
+ struct srb_iocb *abt_iocb;
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+
+ /* ref: INIT for ABTS command */
+ sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
+ GFP_ATOMIC);
+ if (!sp)
+ return QLA_MEMORY_ALLOC_FAILED;
+
+ qla_vha_mark_busy(vha);
+ abt_iocb = &sp->u.iocb_cmd;
+ sp->type = SRB_ABT_CMD;
+ sp->name = "abort";
+ sp->qpair = cmd_sp->qpair;
+ sp->cmd_sp = cmd_sp;
+ if (wait)
+ sp->flags = SRB_WAKEUP_ON_COMP;
+
+ init_completion(&abt_iocb->u.abt.comp);
+ /* FW can send 2 x ABTS's timeout/20s */
+ qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done);
+ sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout;
+
+ abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
+ abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
+
+ 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);
+ if (rval != QLA_SUCCESS) {
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ return rval;
+ }
+
+ if (wait) {
+ wait_for_completion(&abt_iocb->u.abt.comp);
+ rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
+ QLA_SUCCESS : QLA_ERR_FROM_FW;
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ }
+
+ return rval;
+}
+
+void
+qla2x00_async_iocb_timeout(void *data)
+{
+ srb_t *sp = data;
+ fc_port_t *fcport = sp->fcport;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
+ int rc, h;
+ unsigned long flags;
+
+ 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);
+
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ } else {
+ pr_info("Async-%s timeout - hdl=%x.\n",
+ sp->name, sp->handle);
+ }
+
+ switch (sp->type) {
+ case SRB_LOGIN_CMD:
+ 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);
+ }
+ 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:
+ case SRB_CTRL_VP:
+ default:
+ 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);
+ }
+ break;
+ }
+}
+
+static void qla2x00_async_login_sp_done(srb_t *sp, int res)
+{
+ 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, 0x20dd,
+ "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
+
+ sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+ 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;
+ if (res)
+ ea.data[0] = MBS_COMMAND_ERROR;
+ qla24xx_handle_plogi_done_event(vha, &ea);
+ }
+
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int
+qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
+ uint16_t *data)
+{
+ srb_t *sp;
+ struct srb_iocb *lio;
+ int rval = QLA_FUNCTION_FAILED;
+
+ 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;
+ }
+
+ /* ref: INIT */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
+ fcport->flags |= FCF_ASYNC_SENT;
+ fcport->logout_completed = 0;
+
+ sp->type = SRB_LOGIN_CMD;
+ sp->name = "login";
+ sp->gen1 = fcport->rscn_gen;
+ sp->gen2 = fcport->login_gen;
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla2x00_async_login_sp_done);
+
+ lio = &sp->u.iocb_cmd;
+ if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) {
+ lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
+ } else {
+ if (vha->hw->flags.edif_enabled &&
+ DBELL_ACTIVE(vha)) {
+ lio->u.logio.flags |=
+ (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI);
+ } else {
+ lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
+ }
+ }
+
+ if (NVME_TARGET(vha->hw, fcport))
+ lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
+
+ rval = qla2x00_start_sp(sp);
+
+ ql_dbg(ql_dbg_disc, vha, 0x2072,
+ "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
+ fcport->port_name, sp->handle, fcport->loop_id,
+ fcport->d_id.b24, fcport->login_retry,
+ lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : "");
+
+ 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:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ return rval;
+}
+
+static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
+{
+ sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ sp->fcport->login_gen++;
+ qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]);
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int
+qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+
+ fcport->flags |= FCF_ASYNC_SENT;
+ /* ref: INIT */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_LOGOUT_CMD;
+ sp->name = "logout";
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla2x00_async_logout_sp_done),
+
+ ql_dbg(ql_dbg_disc, vha, 0x2070,
+ "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n",
+ sp->handle, fcport->loop_id, fcport->d_id.b.domain,
+ fcport->d_id.b.area, fcport->d_id.b.al_pa,
+ fcport->port_name, fcport->explicit_logout);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+ return rval;
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+done:
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ return rval;
+}
+
+void
+qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
+ uint16_t *data)
+{
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ /* Don't re-login in target mode */
+ if (!fcport->tgt_session)
+ qla2x00_mark_device_lost(vha, fcport, 1);
+ qlt_logo_completion_handler(fcport, data[0]);
+}
+
+static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
+{
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
+ struct scsi_qla_host *vha = sp->vha;
+
+ sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ if (!test_bit(UNLOADING, &vha->dpc_flags))
+ qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
+ lio->u.logio.data);
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int
+qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ srb_t *sp;
+ int rval;
+
+ rval = QLA_FUNCTION_FAILED;
+ /* ref: INIT */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_PRLO_CMD;
+ sp->name = "prlo";
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ 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);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ return rval;
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+done:
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ return rval;
+}
+
+static
+void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+ struct fc_port *fcport = ea->fcport;
+ unsigned long flags;
+
+ 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);
+
+ WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
+ ea->data[0]);
+
+ if (ea->data[0] != MBS_COMMAND_COMPLETE) {
+ ql_dbg(ql_dbg_disc, vha, 0x2066,
+ "%s %8phC: adisc fail: post delete\n",
+ __func__, ea->fcport->port_name);
+
+ spin_lock_irqsave(&vha->work_lock, flags);
+ /* deleted = 0 & logout_on_delete = force fw cleanup */
+ if (fcport->deleted == QLA_SESS_DELETED)
+ fcport->deleted = 0;
+
+ fcport->logout_on_delete = 1;
+ spin_unlock_irqrestore(&vha->work_lock, flags);
+
+ qlt_schedule_sess_for_deletion(ea->fcport);
+ 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,
+ "%s %8phC generation changed\n",
+ __func__, ea->fcport->port_name);
+ return;
+ } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
+ qla_rscn_replay(fcport);
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ }
+
+ __qla24xx_handle_gpdb_event(vha, ea);
+}
+
+static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ 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;
+ qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
+ return qla2x00_post_work(vha, e);
+}
+
+static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
+{
+ struct scsi_qla_host *vha = sp->vha;
+ struct event_arg ea;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
+
+ ql_dbg(ql_dbg_disc, vha, 0x2066,
+ "Async done-%s res %x %8phC\n",
+ sp->name, res, sp->fcport->port_name);
+
+ sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+ memset(&ea, 0, sizeof(ea));
+ ea.rc = res;
+ 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.fcport = sp->fcport;
+ ea.sp = sp;
+ if (res)
+ ea.data[0] = MBS_COMMAND_ERROR;
+
+ qla24xx_handle_adisc_event(vha, &ea);
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int
+qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
+ uint16_t *data)
+{
+ srb_t *sp;
+ struct srb_iocb *lio;
+ int rval = QLA_FUNCTION_FAILED;
+
+ if (IS_SESSION_DELETED(fcport)) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "%s: %8phC is being delete - not sending command.\n",
+ __func__, fcport->port_name);
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ return rval;
+ }
+
+ if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+ return rval;
+
+ fcport->flags |= FCF_ASYNC_SENT;
+ /* ref: INIT */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_ADISC_CMD;
+ sp->name = "adisc";
+ sp->gen1 = fcport->rscn_gen;
+ sp->gen2 = fcport->login_gen;
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla2x00_async_adisc_sp_done);
+
+ if (data[1] & QLA_LOGIO_LOGIN_RETRIED) {
+ lio = &sp->u.iocb_cmd;
+ lio->u.logio.flags |= SRB_LOGIN_RETRIED;
+ }
+
+ ql_dbg(ql_dbg_disc, vha, 0x206f,
+ "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
+ sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ return rval;
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+done:
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ qla2x00_post_async_adisc_work(vha, fcport, data);
+ return rval;
+}
+
+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;
+}
+
+/**
+ * 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;
+}
+
+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;
+}
+
+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;
+ u16 data[2];
+ u8 current_login_state, nvme_cls;
+
+ fcport = ea->fcport;
+ ql_dbg(ql_dbg_disc, vha, 0xffff,
+ "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %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, fcport->edif.enable);
+
+ if (fcport->disc_state == DSC_DELETE_PEND)
+ return;
+
+ if (ea->rc) { /* rval */
+ if (fcport->login_retry == 0) {
+ ql_dbg(ql_dbg_disc, vha, 0x20de,
+ "GNL failed Port login retry %8phN, retry cnt=%d.\n",
+ fcport->port_name, fcport->login_retry);
+ }
+ return;
+ }
+
+ if (fcport->last_rscn_gen != fcport->rscn_gen) {
+ qla_rscn_replay(fcport);
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ } else if (fcport->last_login_gen != fcport->login_gen) {
+ ql_dbg(ql_dbg_disc, vha, 0x20e0,
+ "%s %8phC login gen changed\n",
+ __func__, fcport->port_name);
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ return;
+ }
+
+ n = ea->data[0] / sizeof(struct get_name_list_extended);
+
+ ql_dbg(ql_dbg_disc, vha, 0x20e1,
+ "%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);
+ 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;
+
+ if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
+ continue;
+
+ if (IS_SW_RESV_ADDR(id))
+ continue;
+
+ found = 1;
+
+ loop_id = le16_to_cpu(e->nport_handle);
+ loop_id = (loop_id & 0x7fff);
+ 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;
+ }
+
+ ql_dbg(ql_dbg_disc, vha, 0x20e2,
+ "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
+ __func__, fcport->port_name,
+ e->current_login_state, fcport->fw_login_state,
+ fcport->fc4_type, id.b24, fcport->d_id.b24,
+ loop_id, fcport->loop_id);
+
+ switch (fcport->disc_state) {
+ case DSC_DELETE_PEND:
+ case DSC_DELETED:
+ break;
+ default:
+ if ((id.b24 != fcport->d_id.b24 &&
+ fcport->d_id.b24 &&
+ fcport->loop_id != FC_NO_LOOP_ID) ||
+ (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);
+ if (fcport->n2n_flag)
+ fcport->d_id.b24 = 0;
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ }
+ break;
+ }
+
+ fcport->loop_id = loop_id;
+ if (fcport->n2n_flag)
+ fcport->d_id.b24 = id.b24;
+
+ 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;
+ }
+
+ switch (vha->hw->current_topology) {
+ default:
+ switch (current_login_state) {
+ case DSC_LS_PRLI_COMP:
+ ql_dbg(ql_dbg_disc,
+ vha, 0x20e4, "%s %d %8phC post gpdb\n",
+ __func__, __LINE__, fcport->port_name);
+
+ 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 (vha->hw->flags.edif_enabled) {
+ /* check to see if App support Secure */
+ qla24xx_post_gpdb_work(vha, fcport, 0);
+ break;
+ }
+ fallthrough;
+ case DSC_LS_PORT_UNAVAIL:
+ default:
+ 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);
+ qla24xx_fcport_handle_login(vha, fcport);
+ break;
+ }
+ break;
+ case ISP_CFG_N:
+ fcport->fw_login_state = current_login_state;
+ fcport->d_id = id;
+ switch (current_login_state) {
+ 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
+ */
+ qla2x00_set_fcport_disc_state(fcport,
+ DSC_DELETED);
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ break;
+ 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 (vha->hw->flags.edif_enabled &&
+ DBELL_ACTIVE(vha)) {
+ /* check to see if App support secure or not */
+ qla24xx_post_gpdb_work(vha, fcport, 0);
+ break;
+ }
+ 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;
+ }
+ fallthrough;
+ 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) */
+ }
+
+ if (!found) {
+ 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);
+ 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);
+ }
+ }
+ /*
+ * FW already picked this loop id for
+ * another fcport
+ */
+ if (fcport->loop_id == loop_id)
+ fcport->loop_id = FC_NO_LOOP_ID;
+ }
+ qla24xx_fcport_handle_login(vha, fcport);
+ break;
+ case ISP_CFG_N:
+ qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
+ 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);
+ }
+ break;
+ case ISP_CFG_NL:
+ qla24xx_fcport_handle_login(vha, fcport);
+ break;
+ default:
+ break;
+ }
+ }
+} /* gnl_event */
+
+static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
+{
+ struct scsi_qla_host *vha = sp->vha;
+ 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;
+ bool found = false;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20e7,
+ "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]);
+
+
+ sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
+ 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);
+
+ ql_dbg(ql_dbg_disc, vha, 0x20e8,
+ "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
+ __func__, &wwn, e->port_id[2], e->port_id[1],
+ e->port_id[0], e->current_login_state, e->last_login_state,
+ (loop_id & 0x7fff));
+ }
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+
+ INIT_LIST_HEAD(&h);
+ fcport = tf = NULL;
+ if (!list_empty(&vha->gnl.fcports))
+ list_splice_init(&vha->gnl.fcports, &h);
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ list_del_init(&fcport->gnl_entry);
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ ea.fcport = fcport;
+
+ qla24xx_handle_gnl_done_event(vha, &ea);
+ }
+
+ /* 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;
+ }
+ }
+
+ 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;
+
+ if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2065,
+ "%s %d %8phC %06x post new sess\n",
+ __func__, __LINE__, (u8 *)&wwn, id.b24);
+ wwnn = wwn_to_u64(e->node_name);
+ qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
+ (u8 *)&wwnn, NULL, 0);
+ }
+ }
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ vha->gnl.sent = 0;
+ 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;
+ }
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+ unsigned long flags;
+ u16 *mb;
+
+ if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
+ goto done;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20d9,
+ "Async-gnlist WWPN %8phC \n", fcport->port_name);
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ fcport->flags |= FCF_ASYNC_SENT;
+ qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
+ fcport->last_rscn_gen = fcport->rscn_gen;
+ fcport->last_login_gen = fcport->login_gen;
+
+ list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
+ 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);
+
+ /* ref: INIT */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_MB_IOCB;
+ sp->name = "gnlist";
+ sp->gen1 = fcport->rscn_gen;
+ sp->gen2 = fcport->login_gen;
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla24xx_async_gnl_sp_done);
+
+ 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;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20da,
+ "Async-%s - OUT WWPN %8phC hndl %x\n",
+ sp->name, fcport->port_name, sp->handle);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ return rval;
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ fcport->flags &= ~(FCF_ASYNC_SENT);
+done:
+ fcport->flags &= ~(FCF_ASYNC_ACTIVE);
+ 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;
+ fcport->flags |= FCF_ASYNC_ACTIVE;
+ return qla2x00_post_work(vha, e);
+}
+
+static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
+{
+ struct scsi_qla_host *vha = sp->vha;
+ 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;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20db,
+ "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
+ sp->name, res, fcport->port_name, mb[1], mb[2]);
+
+ fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+ if (res == QLA_FUNCTION_TIMEOUT)
+ goto done;
+
+ memset(&ea, 0, sizeof(ea));
+ ea.fcport = fcport;
+ ea.sp = sp;
+
+ qla24xx_handle_gpdb_event(vha, &ea);
+
+done:
+ dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
+ sp->u.iocb_cmd.u.mbx.in_dma);
+
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ struct qla_work_evt *e;
+
+ if (vha->host->active_mode == MODE_TARGET)
+ return QLA_FUNCTION_FAILED;
+
+ 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);
+}
+
+static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
+{
+ 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 %x\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;
+ if (res == QLA_OS_TIMER_EXPIRED)
+ ea.data[0] = QLA_OS_TIMER_EXPIRED;
+ else if (res)
+ ea.data[0] = MBS_COMMAND_ERROR;
+
+ qla24xx_handle_prli_done_event(vha, &ea);
+ }
+
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+}
+
+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;
+
+ if (!vha->flags.online) {
+ ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
+ __func__, __LINE__, fcport->port_name);
+ return rval;
+ }
+
+ 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);
+ return rval;
+ }
+
+ 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";
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla2x00_async_prli_sp_done);
+
+ lio = &sp->u.iocb_cmd;
+ lio->u.logio.flags = 0;
+
+ if (NVME_TARGET(vha->hw, fcport))
+ lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
+
+ ql_dbg(ql_dbg_disc, vha, 0x211b,
+ "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
+ fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
+ fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
+ NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
+
+ 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:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ fcport->flags &= ~FCF_ASYNC_SENT;
+ return rval;
+}
+
+int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
+{
+ 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;
+ fcport->flags |= FCF_ASYNC_ACTIVE;
+ 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;
+
+ if (IS_SESSION_DELETED(fcport)) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "%s: %8phC is being delete - not sending command.\n",
+ __func__, fcport->port_name);
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ return rval;
+ }
+
+ if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "%s: %8phC online %d flags %x - not sending command.\n",
+ __func__, fcport->port_name, vha->flags.online, fcport->flags);
+ goto done;
+ }
+
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
+
+ fcport->flags |= FCF_ASYNC_SENT;
+ sp->type = SRB_MB_IOCB;
+ sp->name = "gpdb";
+ sp->gen1 = fcport->rscn_gen;
+ sp->gen2 = fcport->login_gen;
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2,
+ qla24xx_async_gpdb_sp_done);
+
+ pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
+ if (pd == NULL) {
+ ql_log(ql_log_warn, vha, 0xd043,
+ "Failed to allocate port database structure.\n");
+ 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 = &sp->u.iocb_cmd;
+ mbx->u.mbx.in = (void *)pd;
+ mbx->u.mbx.in_dma = pd_dma;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20dc,
+ "Async-%s %8phC hndl %x opt %x\n",
+ sp->name, fcport->port_name, sp->handle, opt);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+ return rval;
+
+done_free_sp:
+ if (pd)
+ dma_pool_free(ha->s_dma_pool, pd, pd_dma);
+
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+ fcport->flags &= ~FCF_ASYNC_SENT;
+done:
+ fcport->flags &= ~FCF_ASYNC_ACTIVE;
+ qla24xx_post_gpdb_work(vha, fcport, opt);
+ return rval;
+}
+
+static
+void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ ea->fcport->login_gen++;
+ 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;
+
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ qla24xx_sched_upd_fcport(ea->fcport);
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ } else if (ea->fcport->login_succ) {
+ /*
+ * We have an existing session. A late RSCN delivery
+ * must have triggered the session to be re-validate.
+ * Session is still valid.
+ */
+ ql_dbg(ql_dbg_disc, vha, 0x20d6,
+ "%s %d %8phC session revalidate success\n",
+ __func__, __LINE__, ea->fcport->port_name);
+ qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+}
+
+static int qla_chk_secure_login(scsi_qla_host_t *vha, fc_port_t *fcport,
+ struct port_database_24xx *pd)
+{
+ int rc = 0;
+
+ if (pd->secure_login) {
+ ql_dbg(ql_dbg_disc, vha, 0x104d,
+ "Secure Login established on %8phC\n",
+ fcport->port_name);
+ fcport->flags |= FCF_FCSP_DEVICE;
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x104d,
+ "non-Secure Login %8phC",
+ fcport->port_name);
+ fcport->flags &= ~FCF_FCSP_DEVICE;
+ }
+ if (vha->hw->flags.edif_enabled) {
+ if (fcport->flags & FCF_FCSP_DEVICE) {
+ qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND);
+ /* Start edif prli timer & ring doorbell for app */
+ fcport->edif.rx_sa_set = 0;
+ fcport->edif.tx_sa_set = 0;
+ fcport->edif.rx_sa_pending = 0;
+ fcport->edif.tx_sa_pending = 0;
+
+ qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE,
+ fcport->d_id.b24);
+
+ if (DBELL_ACTIVE(vha)) {
+ ql_dbg(ql_dbg_disc, vha, 0x20ef,
+ "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n",
+ __func__, __LINE__, fcport->port_name);
+ fcport->edif.app_sess_online = 1;
+
+ qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED,
+ fcport->d_id.b24, 0, fcport);
+ }
+
+ rc = 1;
+ } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2117,
+ "%s %d %8phC post prli\n",
+ __func__, __LINE__, fcport->port_name);
+ qla24xx_post_prli_work(vha, fcport);
+ rc = 1;
+ }
+ }
+ return rc;
+}
+
+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;
+ uint8_t ls;
+
+ pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
+
+ fcport->flags &= ~FCF_ASYNC_SENT;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20d2,
+ "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__,
+ fcport->port_name, fcport->disc_state, pd->current_login_state,
+ fcport->fc4_type, ea->rc);
+
+ if (fcport->disc_state == DSC_DELETE_PEND) {
+ ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n",
+ __func__, __LINE__, fcport->port_name);
+ return;
+ }
+
+ if (NVME_TARGET(vha->hw, fcport))
+ ls = pd->current_login_state >> 4;
+ else
+ ls = pd->current_login_state & 0xf;
+
+ 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);
+ qlt_schedule_sess_for_deletion(fcport);
+ ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
+ __func__, __LINE__, fcport->port_name, ls);
+ return;
+ }
+
+ switch (ls) {
+ case PDS_PRLI_COMPLETE:
+ __qla24xx_parse_gpdb(vha, fcport, pd);
+ break;
+ case PDS_PLOGI_COMPLETE:
+ if (qla_chk_secure_login(vha, fcport, pd)) {
+ ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
+ __func__, __LINE__, fcport->port_name, ls);
+ return;
+ }
+ fallthrough;
+ case PDS_PLOGI_PENDING:
+ case PDS_PRLI_PENDING:
+ case PDS_PRLI2_PENDING:
+ /* Set discovery state back to GNL to Relogin attempt */
+ if (qla_dual_mode_enabled(vha) ||
+ qla_ini_mode_enabled(vha)) {
+ qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ }
+ ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
+ __func__, __LINE__, fcport->port_name, ls);
+ 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);
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ }
+ __qla24xx_handle_gpdb_event(vha, ea);
+} /* gpdb event */
+
+static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ u8 login = 0;
+ int rc;
+
+ ql_dbg(ql_dbg_disc, vha, 0x307b,
+ "%s %8phC DS %d LS %d lid %d retries=%d\n",
+ __func__, fcport->port_name, fcport->disc_state,
+ fcport->fw_login_state, fcport->loop_id, fcport->login_retry);
+
+ 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;
+ }
+
+ if (login && fcport->login_retry) {
+ fcport->login_retry--;
+ 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;
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ }
+ }
+ 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);
+ }
+}
+
+int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ u16 data[2];
+ u64 wwn;
+ u16 sec;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20d8,
+ "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n",
+ __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,
+ fcport->login_gen, fcport->loop_id, fcport->scan_state,
+ fcport->fc4_type);
+
+ if (fcport->scan_state != QLA_FCPORT_FOUND ||
+ fcport->disc_state == DSC_DELETE_PEND)
+ return 0;
+
+ if ((fcport->loop_id != FC_NO_LOOP_ID) &&
+ qla_dual_mode_enabled(vha) &&
+ ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
+ (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
+ return 0;
+
+ if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
+ !N2N_TOPO(vha->hw)) {
+ if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ return 0;
+ }
+ }
+
+ /* Target won't initiate port login if fabric is present */
+ if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
+ return 0;
+
+ if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) {
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ return 0;
+ }
+
+ switch (fcport->disc_state) {
+ case DSC_DELETED:
+ wwn = wwn_to_u64(fcport->node_name);
+ 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;
+ }
+ break;
+
+ case DSC_GNL:
+ 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,
+ "%s %d %8phC post %s PRLI\n",
+ __func__, __LINE__, fcport->port_name,
+ NVME_TARGET(vha->hw, fcport) ? "NVME" :
+ "FC");
+ qla24xx_post_prli_work(vha, fcport);
+ }
+ break;
+ default:
+ if (fcport->login_pause) {
+ ql_dbg(ql_dbg_disc, vha, 0x20d8,
+ "%s %d %8phC exit\n",
+ __func__, __LINE__,
+ fcport->port_name);
+ 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);
+ break;
+ }
+ break;
+
+ case DSC_LOGIN_FAILED:
+ if (N2N_TOPO(vha->hw))
+ qla_chk_n2n_b4_login(vha, fcport);
+ else
+ qlt_schedule_sess_for_deletion(fcport);
+ break;
+
+ case DSC_LOGIN_COMPLETE:
+ /* recheck login state */
+ data[0] = data[1] = 0;
+ qla2x00_post_async_adisc_work(vha, fcport, data);
+ break;
+
+ case DSC_LOGIN_PEND:
+ if (vha->hw->flags.edif_enabled)
+ break;
+
+ if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
+ ql_dbg(ql_dbg_disc, vha, 0x2118,
+ "%s %d %8phC post %s PRLI\n",
+ __func__, __LINE__, fcport->port_name,
+ NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC");
+ qla24xx_post_prli_work(vha, fcport);
+ }
+ break;
+
+ 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;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
+ u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
+{
+ struct qla_work_evt *e;
+
+ 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;
+ e->u.new_sess.fc4_type = fc4_type;
+ memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
+ if (node_name)
+ memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
+
+ return qla2x00_post_work(vha, e);
+}
+
+void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
+{
+ fc_port_t *fcport;
+ unsigned long flags;
+
+ switch (ea->id.b.rsvd_1) {
+ case RSCN_PORT_ADDR:
+ fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
+ if (fcport) {
+ if (ql2xfc2target &&
+ fcport->flags & FCF_FCP2_DEVICE &&
+ atomic_read(&fcport->state) == FCS_ONLINE) {
+ ql_dbg(ql_dbg_disc, vha, 0x2115,
+ "Delaying session delete for FCP2 portid=%06x %8phC ",
+ fcport->d_id.b24, fcport->port_name);
+ return;
+ }
+
+ if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) {
+ /*
+ * On ipsec start by remote port, Target port
+ * may use RSCN to trigger initiator to
+ * relogin. If driver is already in the
+ * process of a relogin, then ignore the RSCN
+ * and allow the current relogin to continue.
+ * This reduces thrashing of the connection.
+ */
+ if (atomic_read(&fcport->state) == FCS_ONLINE) {
+ /*
+ * If state = online, then set scan_needed=1 to do relogin.
+ * Otherwise we're already in the middle of a relogin
+ */
+ fcport->scan_needed = 1;
+ fcport->rscn_gen++;
+ }
+ } else {
+ fcport->scan_needed = 1;
+ fcport->rscn_gen++;
+ }
+ }
+ break;
+ case RSCN_AREA_ADDR:
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->flags & FCF_FCP2_DEVICE &&
+ atomic_read(&fcport->state) == FCS_ONLINE)
+ continue;
+
+ if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
+ fcport->scan_needed = 1;
+ fcport->rscn_gen++;
+ }
+ }
+ break;
+ case RSCN_DOM_ADDR:
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->flags & FCF_FCP2_DEVICE &&
+ atomic_read(&fcport->state) == FCS_ONLINE)
+ continue;
+
+ if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
+ fcport->scan_needed = 1;
+ fcport->rscn_gen++;
+ }
+ }
+ break;
+ case RSCN_FAB_ADDR:
+ default:
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->flags & FCF_FCP2_DEVICE &&
+ atomic_read(&fcport->state) == FCS_ONLINE)
+ continue;
+
+ fcport->scan_needed = 1;
+ fcport->rscn_gen++;
+ }
+ break;
+ }
+
+ 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);
+}
+
+void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
+ struct event_arg *ea)
+{
+ fc_port_t *fcport = ea->fcport;
+
+ if (test_bit(UNLOADING, &vha->dpc_flags))
+ return;
+
+ 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);
+
+ if (fcport->last_rscn_gen != fcport->rscn_gen) {
+ ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
+ __func__, __LINE__, fcport->port_name);
+ qla24xx_post_gnl_work(vha, fcport);
+ return;
+ }
+
+ qla24xx_fcport_handle_login(vha, fcport);
+}
+
+void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
+ struct event_arg *ea)
+{
+ if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) &&
+ vha->hw->flags.edif_enabled) {
+ /* check to see if App support Secure */
+ qla24xx_post_gpdb_work(vha, ea->fcport, 0);
+ return;
+ }
+
+ /* for pure Target Mode, PRLI will not be initiated */
+ if (vha->host->active_mode == MODE_TARGET)
+ return;
+
+ 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);
+}
+
+/*
+ * 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)
+{
+ 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;
+ qla2x00_handle_rscn(fcport->vha, &ea);
+ }
+}
+
+static void
+qla2x00_tmf_iocb_timeout(void *data)
+{
+ srb_t *sp = data;
+ struct srb_iocb *tmf = &sp->u.iocb_cmd;
+ int rc, h;
+ unsigned long flags;
+
+ if (sp->type == SRB_MARKER)
+ rc = QLA_FUNCTION_FAILED;
+ else
+ 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;
+ qla_put_fw_resources(sp->qpair, &sp->iores);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
+ tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
+ tmf->u.tmf.data = QLA_FUNCTION_FAILED;
+ complete(&tmf->u.tmf.comp);
+ }
+}
+
+static void qla_marker_sp_done(srb_t *sp, int res)
+{
+ struct srb_iocb *tmf = &sp->u.iocb_cmd;
+
+ if (res != QLA_SUCCESS)
+ ql_dbg(ql_dbg_taskm, sp->vha, 0x8004,
+ "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n",
+ sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags,
+ sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id);
+
+ sp->u.iocb_cmd.u.tmf.data = res;
+ complete(&tmf->u.tmf.comp);
+}
+
+#define START_SP_W_RETRIES(_sp, _rval, _chip_gen, _login_gen) \
+{\
+ int cnt = 5; \
+ do { \
+ if (_chip_gen != sp->vha->hw->chip_reset || _login_gen != sp->fcport->login_gen) {\
+ _rval = EINVAL; \
+ break; \
+ } \
+ _rval = qla2x00_start_sp(_sp); \
+ if (_rval == EAGAIN) \
+ msleep(1); \
+ else \
+ break; \
+ cnt--; \
+ } while (cnt); \
+}
+
+/**
+ * qla26xx_marker: send marker IOCB and wait for the completion of it.
+ * @arg: pointer to argument list.
+ * It is assume caller will provide an fcport pointer and modifier
+ */
+static int
+qla26xx_marker(struct tmf_arg *arg)
+{
+ struct scsi_qla_host *vha = arg->vha;
+ struct srb_iocb *tm_iocb;
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+ fc_port_t *fcport = arg->fcport;
+ u32 chip_gen, login_gen;
+
+ if (TMF_NOT_READY(arg->fcport)) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8039,
+ "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
+ fcport->loop_id, fcport->d_id.b24,
+ arg->modifier, arg->lun, arg->qpair->id);
+ return QLA_SUSPENDED;
+ }
+
+ chip_gen = vha->hw->chip_reset;
+ login_gen = fcport->login_gen;
+
+ /* ref: INIT */
+ sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ sp->type = SRB_MARKER;
+ sp->name = "marker";
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done);
+ sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
+
+ tm_iocb = &sp->u.iocb_cmd;
+ init_completion(&tm_iocb->u.tmf.comp);
+ tm_iocb->u.tmf.modifier = arg->modifier;
+ tm_iocb->u.tmf.lun = arg->lun;
+ tm_iocb->u.tmf.loop_id = fcport->loop_id;
+ tm_iocb->u.tmf.vp_index = vha->vp_idx;
+
+ START_SP_W_RETRIES(sp, rval, chip_gen, login_gen);
+
+ ql_dbg(ql_dbg_taskm, vha, 0x8006,
+ "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
+ sp->handle, fcport->loop_id, fcport->d_id.b24,
+ arg->modifier, arg->lun, sp->qpair->id, rval);
+
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x8031,
+ "Marker IOCB send failure (%x).\n", rval);
+ goto done_free_sp;
+ }
+
+ wait_for_completion(&tm_iocb->u.tmf.comp);
+ rval = tm_iocb->u.tmf.data;
+
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x8019,
+ "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n",
+ sp->handle, fcport->loop_id, fcport->d_id.b24,
+ arg->modifier, arg->lun, sp->qpair->id, rval);
+ }
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+done:
+ return rval;
+}
+
+static void qla2x00_tmf_sp_done(srb_t *sp, int res)
+{
+ struct srb_iocb *tmf = &sp->u.iocb_cmd;
+
+ if (res)
+ tmf->u.tmf.data = res;
+ complete(&tmf->u.tmf.comp);
+}
+
+static int qla_tmf_wait(struct tmf_arg *arg)
+{
+ /* there are only 2 types of error handling that reaches here, lun or target reset */
+ if (arg->flags & (TCF_LUN_RESET | TCF_ABORT_TASK_SET | TCF_CLEAR_TASK_SET))
+ return qla2x00_eh_wait_for_pending_commands(arg->vha,
+ arg->fcport->d_id.b24, arg->lun, WAIT_LUN);
+ else
+ return qla2x00_eh_wait_for_pending_commands(arg->vha,
+ arg->fcport->d_id.b24, arg->lun, WAIT_TARGET);
+}
+
+static int
+__qla2x00_async_tm_cmd(struct tmf_arg *arg)
+{
+ struct scsi_qla_host *vha = arg->vha;
+ struct srb_iocb *tm_iocb;
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+ fc_port_t *fcport = arg->fcport;
+ u32 chip_gen, login_gen;
+ u64 jif;
+
+ if (TMF_NOT_READY(arg->fcport)) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8032,
+ "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n",
+ fcport->loop_id, fcport->d_id.b24,
+ arg->modifier, arg->lun, arg->qpair->id);
+ return QLA_SUSPENDED;
+ }
+
+ chip_gen = vha->hw->chip_reset;
+ login_gen = fcport->login_gen;
+
+ /* ref: INIT */
+ sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ qla_vha_mark_busy(vha);
+ sp->type = SRB_TM_CMD;
+ sp->name = "tmf";
+ qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha),
+ qla2x00_tmf_sp_done);
+ sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout;
+
+ tm_iocb = &sp->u.iocb_cmd;
+ init_completion(&tm_iocb->u.tmf.comp);
+ tm_iocb->u.tmf.flags = arg->flags;
+ tm_iocb->u.tmf.lun = arg->lun;
+
+ START_SP_W_RETRIES(sp, rval, chip_gen, login_gen);
+
+ ql_dbg(ql_dbg_taskm, vha, 0x802f,
+ "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n",
+ sp->handle, fcport->loop_id, fcport->d_id.b24,
+ arg->flags, arg->lun, sp->qpair->id, rval);
+
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+ wait_for_completion(&tm_iocb->u.tmf.comp);
+
+ rval = tm_iocb->u.tmf.data;
+
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x8030,
+ "TM IOCB failed (%x).\n", rval);
+ }
+
+ if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
+ jif = jiffies;
+ if (qla_tmf_wait(arg)) {
+ ql_log(ql_log_info, vha, 0x803e,
+ "Waited %u ms Nexus=%ld:%06x:%llu.\n",
+ jiffies_to_msecs(jiffies - jif), vha->host_no,
+ fcport->d_id.b24, arg->lun);
+ }
+
+ if (chip_gen == vha->hw->chip_reset && login_gen == fcport->login_gen) {
+ rval = qla26xx_marker(arg);
+ } else {
+ ql_log(ql_log_info, vha, 0x803e,
+ "Skip Marker due to disruption. Nexus=%ld:%06x:%llu.\n",
+ vha->host_no, fcport->d_id.b24, arg->lun);
+ rval = QLA_FUNCTION_FAILED;
+ }
+ }
+ if (tm_iocb->u.tmf.data)
+ rval = tm_iocb->u.tmf.data;
+
+done_free_sp:
+ /* ref: INIT */
+ kref_put(&sp->cmd_kref, qla2x00_sp_release);
+done:
+ return rval;
+}
+
+static void qla_put_tmf(struct tmf_arg *arg)
+{
+ struct scsi_qla_host *vha = arg->vha;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ ha->active_tmf--;
+ list_del(&arg->tmf_elem);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+}
+
+static
+int qla_get_tmf(struct tmf_arg *arg)
+{
+ struct scsi_qla_host *vha = arg->vha;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+ fc_port_t *fcport = arg->fcport;
+ int rc = 0;
+ struct tmf_arg *t;
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ list_for_each_entry(t, &ha->tmf_active, tmf_elem) {
+ if (t->fcport == arg->fcport && t->lun == arg->lun) {
+ /* reject duplicate TMF */
+ ql_log(ql_log_warn, vha, 0x802c,
+ "found duplicate TMF. Nexus=%ld:%06x:%llu.\n",
+ vha->host_no, fcport->d_id.b24, arg->lun);
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ return -EINVAL;
+ }
+ }
+
+ list_add_tail(&arg->tmf_elem, &ha->tmf_pending);
+ while (ha->active_tmf >= MAX_ACTIVE_TMF) {
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
+ msleep(1);
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ if (TMF_NOT_READY(fcport)) {
+ ql_log(ql_log_warn, vha, 0x802c,
+ "Unable to acquire TM resource due to disruption.\n");
+ rc = EIO;
+ break;
+ }
+ if (ha->active_tmf < MAX_ACTIVE_TMF &&
+ list_is_first(&arg->tmf_elem, &ha->tmf_pending))
+ break;
+ }
+
+ list_del(&arg->tmf_elem);
+
+ if (!rc) {
+ ha->active_tmf++;
+ list_add_tail(&arg->tmf_elem, &ha->tmf_active);
+ }
+
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+
+ return rc;
+}
+
+int
+qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun,
+ uint32_t tag)
+{
+ struct scsi_qla_host *vha = fcport->vha;
+ struct tmf_arg a;
+ int rval = QLA_SUCCESS;
+
+ if (TMF_NOT_READY(fcport))
+ return QLA_SUSPENDED;
+
+ a.vha = fcport->vha;
+ a.fcport = fcport;
+ a.lun = lun;
+ a.flags = flags;
+ INIT_LIST_HEAD(&a.tmf_elem);
+
+ if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) {
+ a.modifier = MK_SYNC_ID_LUN;
+ } else {
+ a.modifier = MK_SYNC_ID;
+ }
+
+ if (qla_get_tmf(&a))
+ return QLA_FUNCTION_FAILED;
+
+ a.qpair = vha->hw->base_qpair;
+ rval = __qla2x00_async_tm_cmd(&a);
+
+ qla_put_tmf(&a);
+ return rval;
+}
+
+int
+qla24xx_async_abort_command(srb_t *sp)
+{
+ unsigned long flags = 0;
+
+ uint32_t handle;
+ fc_port_t *fcport = sp->fcport;
+ struct qla_qpair *qpair = sp->qpair;
+ struct scsi_qla_host *vha = fcport->vha;
+ struct req_que *req = qpair->req;
+
+ spin_lock_irqsave(qpair->qp_lock_ptr, flags);
+ for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
+ if (req->outstanding_cmds[handle] == sp)
+ break;
+ }
+ spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+
+ if (handle == req->num_outstanding_cmds) {
+ /* Command not found. */
+ return QLA_ERR_NOT_FOUND;
+ }
+ if (sp->type == SRB_FXIOCB_DCMD)
+ return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
+ FXDISC_ABORT_IOCTL);
+
+ return qla24xx_async_abort_cmd(sp, true);
+}
+
+static void
+qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
+{
+ struct srb *sp;
+ WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
+ ea->data[0]);
+
+ 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;
+ 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;
+ qla24xx_post_gpdb_work(vha, ea->fcport, 0);
+ break;
+ default:
+ sp = ea->sp;
+ ql_dbg(ql_dbg_disc, vha, 0x2118,
+ "%s %d %8phC priority %s, fc4type %x prev try %s\n",
+ __func__, __LINE__, ea->fcport->port_name,
+ vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
+ "FCP" : "NVMe", ea->fcport->fc4_type,
+ (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
+ "NVME" : "FCP");
+
+ if (NVME_FCP_TARGET(ea->fcport)) {
+ if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
+ ea->fcport->do_prli_nvme = 0;
+ else
+ ea->fcport->do_prli_nvme = 1;
+ } else {
+ ea->fcport->do_prli_nvme = 0;
+ }
+
+ if (N2N_TOPO(vha->hw)) {
+ if (ea->fcport->n2n_link_reset_cnt ==
+ vha->hw->login_retry_count &&
+ ea->fcport->flags & FCF_FCSP_DEVICE) {
+ /* remote authentication app just started */
+ ea->fcport->n2n_link_reset_cnt = 0;
+ }
+
+ if (ea->fcport->n2n_link_reset_cnt <
+ vha->hw->login_retry_count) {
+ ea->fcport->n2n_link_reset_cnt++;
+ vha->relogin_jif = jiffies + 2 * HZ;
+ /*
+ * PRLI failed. Reset link to kick start
+ * state machine
+ */
+ set_bit(N2N_LINK_RESET, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else {
+ ql_log(ql_log_warn, vha, 0x2119,
+ "%s %d %8phC Unable to reconnect\n",
+ __func__, __LINE__,
+ ea->fcport->port_name);
+ }
+ } else {
+ /*
+ * switch connect. login failed. Take connection down
+ * and allow relogin to retrigger
+ */
+ 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);
+ }
+ break;
+ }
+}
+
+void
+qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
+{
+ port_id_t cid; /* conflict Nport id */
+ u16 lid;
+ struct fc_port *conflict_fcport;
+ unsigned long flags;
+ struct fc_port *fcport = ea->fcport;
+
+ 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,
+ ea->sp->gen1, fcport->rscn_gen,
+ ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
+
+ 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;
+ }
+
+ if ((fcport->disc_state == DSC_DELETE_PEND) ||
+ (fcport->disc_state == DSC_DELETED)) {
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ return;
+ }
+
+ 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);
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+ return;
+ } else if (ea->sp->gen1 != fcport->rscn_gen) {
+ ql_dbg(ql_dbg_disc, vha, 0x20d3,
+ "%s %8phC RSCN generation changed\n",
+ __func__, fcport->port_name);
+ qla_rscn_replay(fcport);
+ qlt_schedule_sess_for_deletion(fcport);
+ return;
+ }
+
+ WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
+ ea->data[0]);
+
+ switch (ea->data[0]) {
+ case MBS_COMMAND_COMPLETE:
+ /*
+ * Driver must validate login state - If PRLI not complete,
+ * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
+ * requests.
+ */
+ if (vha->hw->flags.edif_enabled) {
+ set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
+ ea->fcport->logout_on_delete = 1;
+ ea->fcport->send_els_logo = 0;
+ ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ qla24xx_post_gpdb_work(vha, ea->fcport, 0);
+ } else {
+ if (NVME_TARGET(vha->hw, fcport)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2117,
+ "%s %d %8phC post prli\n",
+ __func__, __LINE__, fcport->port_name);
+ qla24xx_post_prli_work(vha, fcport);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x20ea,
+ "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
+ __func__, __LINE__, fcport->port_name,
+ fcport->loop_id, fcport->d_id.b24);
+
+ set_bit(fcport->loop_id, vha->hw->loop_id_map);
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ fcport->chip_reset = vha->hw->base_qpair->chip_reset;
+ fcport->logout_on_delete = 1;
+ fcport->send_els_logo = 0;
+ fcport->fw_login_state = DSC_LS_PRLI_COMP;
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ qla24xx_post_gpdb_work(vha, fcport, 0);
+ }
+ }
+ break;
+ case MBS_COMMAND_ERROR:
+ ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
+ __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
+
+ qlt_schedule_sess_for_deletion(ea->fcport);
+ break;
+ case MBS_LOOP_ID_USED:
+ /* 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;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20ec,
+ "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
+ __func__, __LINE__, ea->fcport->port_name,
+ ea->fcport->loop_id, cid.b24);
+
+ set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
+ ea->fcport->loop_id = FC_NO_LOOP_ID;
+ qla24xx_post_gnl_work(vha, ea->fcport);
+ break;
+ case MBS_PORT_ID_USED:
+ 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;
+ ea->fcport->logout_on_delete = 1;
+ qlt_schedule_sess_for_deletion(ea->fcport);
+ }
+ break;
+ }
+ return;
+}
+
+/****************************************************************************/
+/* QLogic ISP2x00 Hardware Support Functions. */
+/****************************************************************************/
+
+static int
+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;
+ uint16_t config[4];
+
+ 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);
+
+ 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);
+ }
+
+ rval = qla83xx_idc_state_handler(vha);
+
+exit:
+ qla83xx_idc_unlock(vha, 0);
+
+ return rval;
+}
+
+/*
+* qla2x00_initialize_adapter
+* Initialize board.
+*
+* Input:
+* ha = adapter block pointer.
+*
+* Returns:
+* 0 = success
+*/
+int
+qla2x00_initialize_adapter(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+ memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
+ memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
+
+ /* Clear adapter flags. */
+ vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
+ vha->flags.reset_active = 0;
+ ha->flags.pci_channel_io_perm_failure = 0;
+ ha->flags.eeh_busy = 0;
+ vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
+ 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;
+ ha->isp_abort_cnt = 0;
+ ha->beacon_blink_led = 0;
+
+ set_bit(0, ha->req_qid_map);
+ set_bit(0, ha->rsp_qid_map);
+
+ ql_dbg(ql_dbg_init, vha, 0x0040,
+ "Configuring PCI space...\n");
+ rval = ha->isp_ops->pci_config(vha);
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0044,
+ "Unable to configure PCI space.\n");
+ return (rval);
+ }
+
+ ha->isp_ops->reset_chip(vha);
+
+ /* Check for secure flash support */
+ if (IS_QLA28XX(ha)) {
+ if (rd_reg_word(&reg->mailbox12) & BIT_0)
+ ha->flags.secure_adapter = 1;
+ ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
+ (ha->flags.secure_adapter) ? "Yes" : "No");
+ }
+
+
+ rval = qla2xxx_get_flash_info(vha);
+ if (rval) {
+ ql_log(ql_log_fatal, vha, 0x004f,
+ "Unable to validate FLASH data.\n");
+ 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);
+ }
+
+ ha->isp_ops->get_flash_version(vha, req->ring);
+ ql_dbg(ql_dbg_init, vha, 0x0061,
+ "Configure NVRAM parameters...\n");
+
+ /* Let priority default to FCP, can be overridden by nvram_config */
+ ha->fc4_type_priority = FC4_PRIORITY_FCP;
+
+ ha->isp_ops->nvram_config(vha);
+
+ 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");
+
+ if (ha->flags.disable_serdes) {
+ /* Mask HBA via NVRAM settings? */
+ ql_log(ql_log_info, vha, 0x0077,
+ "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ ql_dbg(ql_dbg_init, vha, 0x0078,
+ "Verifying loaded RISC code...\n");
+
+ /* If smartsan enabled then require fdmi and rdp enabled */
+ if (ql2xsmartsan) {
+ ql2xfdmienable = 1;
+ ql2xrdpenable = 1;
+ }
+
+ if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
+ rval = ha->isp_ops->chip_diag(vha);
+ if (rval)
+ return (rval);
+ rval = qla2x00_setup_chip(vha);
+ if (rval)
+ return (rval);
+ }
+
+ if (IS_QLA84XX(ha)) {
+ ha->cs84xx = qla84xx_get_chip(vha);
+ if (!ha->cs84xx) {
+ ql_log(ql_log_warn, vha, 0x00d0,
+ "Unable to configure ISP84XX.\n");
+ return QLA_FUNCTION_FAILED;
+ }
+ }
+
+ if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
+ rval = qla2x00_init_rings(vha);
+
+ /* No point in continuing if firmware initialization failed. */
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ ha->flags.chip_reset_done = 1;
+
+ if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
+ /* Issue verify 84xx FW IOCB to complete 84xx initialization */
+ rval = qla84xx_init_chip(vha);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x00d4,
+ "Unable to initialize ISP84XX.\n");
+ qla84xx_put_chip(vha);
+ }
+ }
+
+ /* 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");
+ }
+
+ if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
+ qla24xx_read_fcp_prio_cfg(vha);
+
+ if (IS_P3P_TYPE(ha))
+ qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
+ else
+ qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
+
+ return (rval);
+}
+
+/**
+ * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2100_pci_config(scsi_qla_host_t *vha)
+{
+ uint16_t w;
+ unsigned long flags;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+
+ 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);
+ pci_write_config_word(ha->pdev, PCI_COMMAND, w);
+
+ pci_disable_rom(ha->pdev);
+
+ /* Get PCI bus information. */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->pci_attr = rd_reg_word(&reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2300_pci_config(scsi_qla_host_t *vha)
+{
+ uint16_t w;
+ unsigned long flags = 0;
+ uint32_t cnt;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+
+ 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);
+
+ if (IS_QLA2322(ha) || IS_QLA6322(ha))
+ w &= ~PCI_COMMAND_INTX_DISABLE;
+ pci_write_config_word(ha->pdev, PCI_COMMAND, w);
+
+ /*
+ * 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);
+
+ /* Pause RISC. */
+ wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
+ for (cnt = 0; cnt < 30000; cnt++) {
+ if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
+ break;
+
+ udelay(10);
+ }
+
+ /* Select FPM registers. */
+ wrt_reg_word(&reg->ctrl_status, 0x20);
+ rd_reg_word(&reg->ctrl_status);
+
+ /* Get the fb rev level */
+ ha->fb_rev = RD_FB_CMD_REG(ha, reg);
+
+ if (ha->fb_rev == FPM_2300)
+ pci_clear_mwi(ha->pdev);
+
+ /* Deselect FPM registers. */
+ wrt_reg_word(&reg->ctrl_status, 0x0);
+ rd_reg_word(&reg->ctrl_status);
+
+ /* Release RISC module. */
+ wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
+ for (cnt = 0; cnt < 30000; cnt++) {
+ if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
+ break;
+
+ udelay(10);
+ }
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ }
+
+ pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
+
+ pci_disable_rom(ha->pdev);
+
+ /* Get PCI bus information. */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->pci_attr = rd_reg_word(&reg->ctrl_status);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla24xx_pci_config(scsi_qla_host_t *vha)
+{
+ uint16_t w;
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+ 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);
+
+ pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
+
+ /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
+ if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
+ pcix_set_mmrbc(ha->pdev, 2048);
+
+ /* PCIe -- adjust Maximum Read Request Size (2048). */
+ if (pci_is_pcie(ha->pdev))
+ pcie_set_readrq(ha->pdev, 4096);
+
+ pci_disable_rom(ha->pdev);
+
+ ha->chip_revision = ha->pdev->revision;
+
+ /* 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;
+}
+
+/**
+ * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla25xx_pci_config(scsi_qla_host_t *vha)
+{
+ uint16_t w;
+ struct qla_hw_data *ha = vha->hw;
+
+ 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). */
+ if (pci_is_pcie(ha->pdev))
+ pcie_set_readrq(ha->pdev, 4096);
+
+ pci_disable_rom(ha->pdev);
+
+ ha->chip_revision = ha->pdev->revision;
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla2x00_isp_firmware() - Choose firmware image.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_isp_firmware(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint16_t loop_id, topo, sw_cap;
+ uint8_t domain, area, al_pa;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Assume loading risc code */
+ rval = QLA_FUNCTION_FAILED;
+
+ if (ha->flags.disable_risc_code_load) {
+ ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
+
+ /* Verify checksum of loaded RISC code. */
+ rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
+ if (rval == QLA_SUCCESS) {
+ /* And, verify we are not in ROM code. */
+ rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
+ &area, &domain, &topo, &sw_cap);
+ }
+ }
+
+ if (rval)
+ ql_dbg(ql_dbg_init, vha, 0x007a,
+ "**** Load RISC code ****.\n");
+
+ return (rval);
+}
+
+/**
+ * qla2x00_reset_chip() - Reset ISP chip.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_reset_chip(scsi_qla_host_t *vha)
+{
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ uint32_t cnt;
+ uint16_t cmd;
+ int rval = QLA_FUNCTION_FAILED;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return rval;
+
+ ha->isp_ops->disable_intrs(ha);
+
+ 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++) {
+ if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
+ 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);
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla81xx_reset_mpi(scsi_qla_host_t *vha)
+{
+ uint16_t mb[4] = {0x1010, 0, 1, 0};
+
+ if (!IS_QLA81XX(vha->hw))
+ return QLA_SUCCESS;
+
+ return qla81xx_write_mpi_register(vha, mb);
+}
+
+static int
+qla_chk_risc_recovery(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+ __le16 __iomem *mbptr = &reg->mailbox0;
+ int i;
+ u16 mb[32];
+ int rc = QLA_SUCCESS;
+
+ if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
+ return rc;
+
+ /* this check is only valid after RISC reset */
+ mb[0] = rd_reg_word(mbptr);
+ mbptr++;
+ if (mb[0] == 0xf) {
+ rc = QLA_FUNCTION_FAILED;
+
+ for (i = 1; i < 32; i++) {
+ mb[i] = rd_reg_word(mbptr);
+ mbptr++;
+ }
+
+ ql_log(ql_log_warn, vha, 0x1015,
+ "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
+ mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
+ ql_log(ql_log_warn, vha, 0x1015,
+ "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
+ mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
+ mb[15]);
+ ql_log(ql_log_warn, vha, 0x1015,
+ "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
+ mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
+ mb[23]);
+ ql_log(ql_log_warn, vha, 0x1015,
+ "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
+ mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
+ mb[31]);
+ }
+ return rc;
+}
+
+/**
+ * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static inline int
+qla24xx_reset_risc(scsi_qla_host_t *vha)
+{
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+ uint32_t cnt;
+ uint16_t wd;
+ static int abts_cnt; /* ISP abort retry counts */
+ int rval = QLA_SUCCESS;
+ int print = 1;
+
+ 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);
+ }
+
+ 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));
+
+ wrt_reg_dword(&reg->ctrl_status,
+ CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
+ pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
+
+ udelay(100);
+
+ /* Wait for firmware to complete NVRAM accesses. */
+ rd_reg_word(&reg->mailbox0);
+ for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
+ rval == QLA_SUCCESS; cnt--) {
+ barrier();
+ if (cnt)
+ udelay(5);
+ else
+ rval = QLA_FUNCTION_TIMEOUT;
+ }
+
+ 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_word(&reg->mailbox0));
+
+ /* Wait for soft-reset to complete. */
+ rd_reg_dword(&reg->ctrl_status);
+ for (cnt = 0; cnt < 60; cnt++) {
+ barrier();
+ if ((rd_reg_dword(&reg->ctrl_status) &
+ CSRX_ISP_SOFT_RESET) == 0)
+ break;
+
+ udelay(5);
+ }
+ 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));
+
+ /* 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;
+ }
+ }
+ }
+
+ 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);
+ mdelay(10);
+ rd_reg_dword(&reg->hccr);
+
+ wd = rd_reg_word(&reg->mailbox0);
+ for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
+ barrier();
+ if (cnt) {
+ mdelay(1);
+ if (print && qla_chk_risc_recovery(vha))
+ print = 0;
+
+ wd = rd_reg_word(&reg->mailbox0);
+ } else {
+ rval = QLA_FUNCTION_TIMEOUT;
+
+ ql_log(ql_log_warn, vha, 0x015e,
+ "RISC reset timeout\n");
+ }
+ }
+
+ 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));
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
+ "Driver in %s mode\n",
+ IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
+
+ if (IS_NOPOLLING_TYPE(ha))
+ ha->isp_ops->enable_intrs(ha);
+
+ return rval;
+}
+
+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_OFFSET);
+}
+
+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_OFFSET, 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;
+
+ if (vha->hw->pdev->subsystem_device != 0x0175 &&
+ vha->hw->pdev->subsystem_device != 0x0240)
+ return;
+
+ wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
+ udelay(100);
+
+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;
+}
+
+/**
+ * qla24xx_reset_chip() - Reset ISP24xx chip.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla24xx_reset_chip(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval = QLA_FUNCTION_FAILED;
+
+ if (pci_channel_offline(ha->pdev) &&
+ ha->flags.pci_channel_io_perm_failure) {
+ return rval;
+ }
+
+ ha->isp_ops->disable_intrs(ha);
+
+ qla25xx_manipulate_risc_semaphore(vha);
+
+ /* Perform RISC reset. */
+ rval = qla24xx_reset_risc(vha);
+
+ return rval;
+}
+
+/**
+ * qla2x00_chip_diag() - Test chip for proper operation.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_chip_diag(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ unsigned long flags = 0;
+ uint16_t data;
+ uint32_t cnt;
+ uint16_t mb[5];
+ struct req_que *req = ha->req_q_map[0];
+
+ /* Assume a failed state */
+ rval = QLA_FUNCTION_FAILED;
+
+ ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
+ &reg->flash_address);
+
+ 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;
+
+ ql_dbg(ql_dbg_init, vha, 0x007c,
+ "Reset register cleared by chip reset.\n");
+
+ /* 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);
+ barrier();
+ }
+ } else
+ udelay(10);
+
+ if (!cnt)
+ goto chip_diag_failed;
+
+ /* Check product ID of chip */
+ ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
+
+ 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) {
+ ql_log(ql_log_warn, vha, 0x0062,
+ "Wrong product ID = 0x%x,0x%x,0x%x.\n",
+ mb[1], mb[2], mb[3]);
+
+ 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 */
+ if (req->length > 1024)
+ ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
+ else
+ ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
+ req->length;
+
+ if (IS_QLA2200(ha) &&
+ RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
+ /* Limit firmware transfer size with a 2200A */
+ ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
+
+ ha->device_type |= DT_ISP2200A;
+ ha->fw_transfer_size = 128;
+ }
+
+ /* Wrap Incoming Mailboxes Test. */
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
+ rval = qla2x00_mbx_reg_test(vha);
+ if (rval)
+ ql_log(ql_log_warn, vha, 0x0080,
+ "Failed mailbox send register test.\n");
+ else
+ /* Flag a successful rval */
+ rval = QLA_SUCCESS;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+chip_diag_failed:
+ if (rval)
+ ql_log(ql_log_info, vha, 0x0081,
+ "Chip diagnostics **** FAILED ****.\n");
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return (rval);
+}
+
+/**
+ * qla24xx_chip_diag() - Test ISP24xx for proper operation.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla24xx_chip_diag(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+
+ if (IS_P3P_TYPE(ha))
+ return QLA_SUCCESS;
+
+ ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
+
+ rval = qla2x00_mbx_reg_test(vha);
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0082,
+ "Failed mailbox send register test.\n");
+ } else {
+ /* Flag a successful rval */
+ rval = QLA_SUCCESS;
+ }
+
+ return rval;
+}
+
+static void
+qla2x00_init_fce_trace(scsi_qla_host_t *vha)
+{
+ int rval;
+ dma_addr_t tc_dma;
+ void *tc;
+ struct qla_hw_data *ha = vha->hw;
+
+ 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) {
+ ql_dbg(ql_dbg_init, vha, 0x00bd,
+ "%s: FCE Mem is already allocated.\n",
+ __func__);
+ return;
+ }
+
+ /* 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;
+ }
+
+ 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;
+ }
+
+ ql_dbg(ql_dbg_init, vha, 0x00c0,
+ "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
+
+ ha->flags.fce_enabled = 1;
+ ha->fce_dma = tc_dma;
+ ha->fce = tc;
+}
+
+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;
+
+ if (!IS_FWI2_CAPABLE(ha))
+ return;
+
+ if (ha->eft) {
+ ql_dbg(ql_dbg_init, vha, 0x00bd,
+ "%s: EFT Mem is already allocated.\n",
+ __func__);
+ return;
+ }
+
+ /* 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;
+ }
+
+ 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;
+ }
+
+ 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);
+}
+
+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;
+
+ if (ha->fw_dump) {
+ ql_dbg(ql_dbg_init, vha, 0x00bd,
+ "Firmware dump already allocated.\n");
+ return;
+ }
+
+ ha->fw_dumped = 0;
+ ha->fw_dump_cap_flags = 0;
+ 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)) {
+ if (IS_QLA83XX(ha))
+ 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) {
+ if (!IS_QLA83XX(ha))
+ mq_size = sizeof(struct qla2xxx_mq_chain);
+ /*
+ * Allocate maximum buffer size for all queues - Q0.
+ * Resizing must be done at end-of-dump processing.
+ */
+ mq_size += (ha->max_req_queues - 1) *
+ (req->length * sizeof(request_t));
+ mq_size += (ha->max_rsp_queues - 1) *
+ (rsp->length * sizeof(response_t));
+ }
+ if (ha->tgt.atio_ring)
+ mq_size += ha->tgt.atio_q_length * sizeof(request_t);
+
+ qla2x00_init_fce_trace(vha);
+ if (ha->fce)
+ fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
+ qla2x00_init_eft_trace(vha);
+ if (ha->eft)
+ eft_size = EFT_SIZE;
+ }
+
+ if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
+ struct fwdt *fwdt = ha->fwdt;
+ uint j;
+
+ for (j = 0; j < 2; j++, fwdt++) {
+ if (!fwdt->template) {
+ ql_dbg(ql_dbg_init, vha, 0x00ba,
+ "-> 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;
+ }
+ /* Add space for spare MPI fw dump. */
+ dump_size += ha->fwdt[1].dump_size;
+ } 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;
+ }
+
+ 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);
+
+ 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 {
+ mutex_lock(&ha->optrom_mutex);
+ if (ha->fw_dumped) {
+ memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
+ vfree(ha->fw_dump);
+ 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 {
+ 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);
+
+ if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
+ ha->mpi_fw_dump = (char *)fw_dump +
+ ha->fwdt[1].dump_size;
+ mutex_unlock(&ha->optrom_mutex);
+ return;
+ }
+
+ 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));
+ }
+ mutex_unlock(&ha->optrom_mutex);
+ }
+ }
+}
+
+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) {
+ ql_log(ql_log_warn, vha, 0x0105,
+ "Unable to acquire semaphore.\n");
+ goto done;
+ }
+
+ pci_read_config_word(vha->hw->pdev, 0x54, &dc);
+ rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
+ 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) {
+ ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
+ }
+
+done_release:
+ rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x006d,
+ "Unable to release semaphore.\n");
+ }
+
+done:
+ return rval;
+}
+
+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;
+
+ if (!IS_FWI2_CAPABLE(ha))
+ req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
+ else {
+ if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
+ req->num_outstanding_cmds = ha->cur_fw_xcb_count;
+ else
+ req->num_outstanding_cmds = ha->cur_fw_iocb_count;
+ }
+
+ req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
+ sizeof(srb_t *),
+ GFP_KERNEL);
+
+ if (!req->outstanding_cmds) {
+ /*
+ * Try to allocate a minimal size just so we can get through
+ * initialization.
+ */
+ req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
+ req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
+ sizeof(srb_t *),
+ GFP_KERNEL);
+
+ 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;
+}
+
+#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);
+}
+
+
+/**
+ * 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).
+ */
+int
+qla24xx_detect_sfp(scsi_qla_host_t *vha)
+{
+ int rc, used_nvram;
+ struct sff_8247_a0 *a;
+ struct qla_hw_data *ha = vha->hw;
+ 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))
+ goto out;
+ /* Determine SR/LR capabilities of SFP/Transceiver. */
+ rc = qla2x00_read_sfp_dev(vha, NULL, 0);
+ if (rc)
+ goto out;
+
+ used_nvram = 0;
+ a = (struct sff_8247_a0 *)vha->hw->sfp_data;
+ qla2xxx_print_sfp_info(vha);
+
+ 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;
+
+ if (a->length_km > 5 || a->length_100m > 50)
+ ha->lr_distance = LR_DISTANCE_10K;
+ else
+ ha->lr_distance = LR_DISTANCE_5K;
+ }
+
+out:
+ 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;
+}
+
+static void __qla_adjust_iocb_limit(struct qla_qpair *qpair)
+{
+ u8 num_qps;
+ u16 limit;
+ struct qla_hw_data *ha = qpair->vha->hw;
+
+ num_qps = ha->num_qpairs + 1;
+ limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
+
+ qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
+ qpair->fwres.iocbs_limit = limit;
+ qpair->fwres.iocbs_qp_limit = limit / num_qps;
+
+ qpair->fwres.exch_total = ha->orig_fw_xcb_count;
+ qpair->fwres.exch_limit = (ha->orig_fw_xcb_count *
+ QLA_IOCB_PCT_LIMIT) / 100;
+}
+
+void qla_init_iocb_limit(scsi_qla_host_t *vha)
+{
+ u8 i;
+ struct qla_hw_data *ha = vha->hw;
+
+ __qla_adjust_iocb_limit(ha->base_qpair);
+ ha->base_qpair->fwres.iocbs_used = 0;
+ ha->base_qpair->fwres.exch_used = 0;
+
+ for (i = 0; i < ha->max_qpairs; i++) {
+ if (ha->queue_pair_map[i]) {
+ __qla_adjust_iocb_limit(ha->queue_pair_map[i]);
+ ha->queue_pair_map[i]->fwres.iocbs_used = 0;
+ ha->queue_pair_map[i]->fwres.exch_used = 0;
+ }
+ }
+
+ ha->fwres.iocb_total = ha->orig_fw_iocb_count;
+ ha->fwres.iocb_limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
+ ha->fwres.exch_total = ha->orig_fw_xcb_count;
+ ha->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100;
+
+ atomic_set(&ha->fwres.iocb_used, 0);
+ atomic_set(&ha->fwres.exch_used, 0);
+}
+
+void qla_adjust_iocb_limit(scsi_qla_host_t *vha)
+{
+ u8 i;
+ struct qla_hw_data *ha = vha->hw;
+
+ __qla_adjust_iocb_limit(ha->base_qpair);
+
+ for (i = 0; i < ha->max_qpairs; i++) {
+ if (ha->queue_pair_map[i])
+ __qla_adjust_iocb_limit(ha->queue_pair_map[i]);
+ }
+}
+
+/**
+ * qla2x00_setup_chip() - Load and start RISC firmware.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_setup_chip(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint32_t srisc_address = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ unsigned long flags;
+ uint16_t fw_major_version;
+ int done_once = 0;
+
+ if (IS_P3P_TYPE(ha)) {
+ rval = ha->isp_ops->load_risc(vha, &srisc_address);
+ if (rval == QLA_SUCCESS) {
+ qla2x00_stop_firmware(vha);
+ goto enable_82xx_npiv;
+ } else
+ goto failed;
+ }
+
+ 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);
+ }
+
+ qla81xx_mpi_sync(vha);
+
+execute_fw_with_lr:
+ /* Load firmware sequences */
+ rval = ha->isp_ops->load_risc(vha, &srisc_address);
+ if (rval == QLA_SUCCESS) {
+ ql_dbg(ql_dbg_init, vha, 0x00c9,
+ "Verifying Checksum of loaded RISC code.\n");
+
+ rval = qla2x00_verify_checksum(vha, srisc_address);
+ if (rval == QLA_SUCCESS) {
+ /* Start firmware execution. */
+ ql_dbg(ql_dbg_init, vha, 0x00ca,
+ "Starting firmware.\n");
+
+ if (ql2xexlogins)
+ ha->flags.exlogins_enabled = 1;
+
+ if (qla_is_exch_offld_enabled(vha))
+ ha->flags.exchoffld_enabled = 1;
+
+ rval = qla2x00_execute_fw(vha, srisc_address);
+ /* Retrieve firmware information. */
+ if (rval == QLA_SUCCESS) {
+ /* 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;
+ }
+
+ if (IS_ZIO_THRESHOLD_CAPABLE(ha))
+ qla27xx_set_zio_threshold(vha,
+ ha->last_zio_threshold);
+
+ rval = qla2x00_set_exlogins_buffer(vha);
+ if (rval != QLA_SUCCESS)
+ goto failed;
+
+ rval = qla2x00_set_exchoffld_buffer(vha);
+ if (rval != QLA_SUCCESS)
+ goto failed;
+
+enable_82xx_npiv:
+ fw_major_version = ha->fw_major_version;
+ if (IS_P3P_TYPE(ha))
+ qla82xx_check_md_needed(vha);
+ else
+ rval = qla2x00_get_fw_version(vha);
+ if (rval != QLA_SUCCESS)
+ goto failed;
+ ha->flags.npiv_supported = 0;
+ if (IS_QLA2XXX_MIDTYPE(ha) &&
+ (ha->fw_attributes & BIT_2)) {
+ ha->flags.npiv_supported = 1;
+ if ((!ha->max_npiv_vports) ||
+ ((ha->max_npiv_vports + 1) %
+ MIN_MULTI_ID_FABRIC))
+ ha->max_npiv_vports =
+ MIN_MULTI_ID_FABRIC - 1;
+ }
+ qla2x00_get_resource_cnts(vha);
+ qla_init_iocb_limit(vha);
+
+ /*
+ * 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;
+
+ if (!fw_major_version && !(IS_P3P_TYPE(ha)))
+ qla2x00_alloc_offload_mem(vha);
+
+ if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
+ qla2x00_alloc_fw_dump(vha);
+
+ } else {
+ goto failed;
+ }
+ } else {
+ ql_log(ql_log_fatal, vha, 0x00cd,
+ "ISP Firmware failed checksum.\n");
+ goto failed;
+ }
+
+ /* Enable PUREX PASSTHRU */
+ if (ql2xrdpenable || ha->flags.scm_supported_f ||
+ ha->flags.edif_enabled)
+ qla25xx_set_els_cmds_supported(vha);
+ } else
+ goto failed;
+
+ 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);
+ }
+
+ if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
+ ha->flags.fac_supported = 1;
+ else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
+ 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 {
+ ql_log(ql_log_warn, vha, 0x00ce,
+ "Unsupported FAC firmware (%d.%02d.%02d).\n",
+ ha->fw_major_version, ha->fw_minor_version,
+ ha->fw_subminor_version);
+
+ if (IS_QLA83XX(ha)) {
+ ha->flags.fac_supported = 0;
+ rval = QLA_SUCCESS;
+ }
+ }
+ }
+failed:
+ if (rval) {
+ ql_log(ql_log_fatal, vha, 0x00cf,
+ "Setup chip ****FAILED****.\n");
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_init_response_q_entries() - Initializes response queue entries.
+ * @rsp: response queue
+ *
+ * Beginning of request ring has initialization control block already built
+ * by nvram config routine.
+ *
+ * Returns 0 on success.
+ */
+void
+qla2x00_init_response_q_entries(struct rsp_que *rsp)
+{
+ uint16_t cnt;
+ response_t *pkt;
+
+ rsp->ring_ptr = rsp->ring;
+ rsp->ring_index = 0;
+ rsp->status_srb = NULL;
+ pkt = rsp->ring_ptr;
+ for (cnt = 0; cnt < rsp->length; cnt++) {
+ pkt->signature = RESPONSE_PROCESSED;
+ pkt++;
+ }
+}
+
+/**
+ * qla2x00_update_fw_options() - Read and process firmware options.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+void
+qla2x00_update_fw_options(scsi_qla_host_t *vha)
+{
+ uint16_t swing, emphasis, tx_sens, rx_sens;
+ struct qla_hw_data *ha = vha->hw;
+
+ memset(ha->fw_options, 0, sizeof(ha->fw_options));
+ qla2x00_get_fw_options(vha, ha->fw_options);
+
+ if (IS_QLA2100(ha) || IS_QLA2200(ha))
+ return;
+
+ /* Serial Link options. */
+ 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,
+ ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
+
+ 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] &
+ (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ 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] &
+ (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ 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;
+
+ /* Detect ISP6312. */
+ if (IS_QLA6312(ha))
+ ha->fw_options[2] |= BIT_13;
+
+ /* 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]);
+ }
+
+ /* Update firmware options. */
+ qla2x00_set_fw_options(vha, ha->fw_options);
+}
+
+void
+qla24xx_update_fw_options(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (IS_P3P_TYPE(ha))
+ return;
+
+ /* Hold status IOCBs until ABTS response received. */
+ if (ql2xfwholdabts)
+ ha->fw_options[3] |= BIT_12;
+
+ /* 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]);
+ }
+
+ /* Move PUREX, ABTS RX & RIDA to ATIOQ */
+ if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
+ (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
+ if (qla_tgt_mode_enabled(vha) ||
+ qla_dual_mode_enabled(vha))
+ ha->fw_options[2] |= BIT_11;
+ else
+ ha->fw_options[2] &= ~BIT_11;
+ }
+
+ if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
+ IS_QLA28XX(ha)) {
+ /*
+ * 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);
+
+ /* Reserve 1/2 of emergency exchanges for ELS.*/
+ if (qla2xuseresexchforels)
+ ha->fw_options[2] |= BIT_8;
+ else
+ ha->fw_options[2] &= ~BIT_8;
+
+ /*
+ * N2N: set Secure=1 for PLOGI ACC and
+ * fw shal not send PRLI after PLOGI Acc
+ */
+ if (ha->flags.edif_enabled &&
+ DBELL_ACTIVE(vha)) {
+ ha->fw_options[3] |= BIT_15;
+ ha->flags.n2n_fw_acc_sec = 1;
+ } else {
+ ha->fw_options[3] &= ~BIT_15;
+ ha->flags.n2n_fw_acc_sec = 0;
+ }
+ }
+
+ if (ql2xrdpenable || ha->flags.scm_supported_f ||
+ ha->flags.edif_enabled)
+ ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
+
+ /* Enable Async 8130/8131 events -- transceiver insertion/removal */
+ if (IS_BPM_RANGE_CAPABLE(ha))
+ ha->fw_options[3] |= BIT_10;
+
+ 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);
+
+ if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
+ qla2x00_set_fw_options(vha, ha->fw_options);
+
+ /* Update Serial Link options. */
+ if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
+ return;
+
+ rval = qla2x00_set_serdes_params(vha,
+ le16_to_cpu(ha->fw_seriallink_options24[1]),
+ le16_to_cpu(ha->fw_seriallink_options24[2]),
+ le16_to_cpu(ha->fw_seriallink_options24[3]));
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x0104,
+ "Unable to update Serial Link options (%x).\n", rval);
+ }
+}
+
+void
+qla2x00_config_rings(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+
+ /* Setup ring parameters in initialization control block. */
+ ha->init_cb->request_q_outpointer = cpu_to_le16(0);
+ ha->init_cb->response_q_inpointer = cpu_to_le16(0);
+ ha->init_cb->request_q_length = cpu_to_le16(req->length);
+ ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
+ put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
+ put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
+
+ 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. */
+}
+
+void
+qla24xx_config_rings(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ device_reg_t *reg = ISP_QUE_REG(ha, 0);
+ struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
+ struct qla_msix_entry *msix;
+ struct init_cb_24xx *icb;
+ uint16_t rid = 0;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+
+ /* Setup ring parameters in initialization control block. */
+ icb = (struct init_cb_24xx *)ha->init_cb;
+ icb->request_q_outpointer = cpu_to_le16(0);
+ icb->response_q_inpointer = cpu_to_le16(0);
+ icb->request_q_length = cpu_to_le16(req->length);
+ icb->response_q_length = cpu_to_le16(rsp->length);
+ put_unaligned_le64(req->dma, &icb->request_q_address);
+ put_unaligned_le64(rsp->dma, &icb->response_q_address);
+
+ /* Setup ATIO queue dma pointers for target mode */
+ icb->atio_q_inpointer = cpu_to_le16(0);
+ icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
+ put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
+
+ if (IS_SHADOW_REG_CAPABLE(ha))
+ icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
+
+ if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
+ IS_QLA28XX(ha)) {
+ icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
+ icb->rid = cpu_to_le16(rid);
+ if (ha->flags.msix_enabled) {
+ msix = &ha->msix_entries[1];
+ ql_dbg(ql_dbg_init, vha, 0x0019,
+ "Registering vector 0x%x for base que.\n",
+ msix->entry);
+ icb->msix = cpu_to_le16(msix->entry);
+ }
+ /* Use alternate PCI bus number */
+ if (MSB(rid))
+ icb->firmware_options_2 |= cpu_to_le32(BIT_19);
+ /* Use alternate PCI devfn */
+ if (LSB(rid))
+ icb->firmware_options_2 |= cpu_to_le32(BIT_18);
+
+ /* Use Disable MSIX Handshake mode for capable adapters */
+ if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
+ (ha->flags.msix_enabled)) {
+ icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
+ ha->flags.disable_msix_handshake = 1;
+ ql_dbg(ql_dbg_init, vha, 0x00fe,
+ "MSIX Handshake Disable Mode turned on.\n");
+ } else {
+ icb->firmware_options_2 |= cpu_to_le32(BIT_22);
+ }
+ icb->firmware_options_2 |= cpu_to_le32(BIT_23);
+
+ 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);
+ }
+
+ qlt_24xx_config_rings(vha);
+
+ /* 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 = cpu_to_le32(ha->set_data_rate << 13);
+ }
+
+ /* PCI posting */
+ rd_reg_word(&ioreg->hccr);
+}
+
+/**
+ * qla2x00_init_rings() - Initializes firmware.
+ * @vha: HA context
+ *
+ * Beginning of request ring has initialization control block already built
+ * by nvram config routine.
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_init_rings(scsi_qla_host_t *vha)
+{
+ int rval;
+ unsigned long flags = 0;
+ int cnt, que;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req;
+ struct rsp_que *rsp;
+ struct mid_init_cb_24xx *mid_init_cb =
+ (struct mid_init_cb_24xx *) ha->init_cb;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Clear outstanding commands array. */
+ for (que = 0; que < ha->max_req_queues; que++) {
+ req = ha->req_q_map[que];
+ if (!req || !test_bit(que, ha->req_qid_map))
+ continue;
+ req->out_ptr = (uint16_t *)(req->ring + req->length);
+ *req->out_ptr = 0;
+ for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
+ req->outstanding_cmds[cnt] = NULL;
+
+ req->current_outstanding_cmd = 1;
+
+ /* Initialize firmware. */
+ req->ring_ptr = req->ring;
+ req->ring_index = 0;
+ req->cnt = req->length;
+ }
+
+ for (que = 0; que < ha->max_rsp_queues; que++) {
+ rsp = ha->rsp_q_map[que];
+ if (!rsp || !test_bit(que, ha->rsp_qid_map))
+ continue;
+ rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
+ *rsp->in_ptr = 0;
+ /* Initialize response queue entries */
+ if (IS_QLAFX00(ha))
+ qlafx00_init_response_q_entries(rsp);
+ else
+ qla2x00_init_response_q_entries(rsp);
+ }
+
+ 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);
+
+ ha->isp_ops->config_rings(vha);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (IS_QLAFX00(ha)) {
+ rval = qlafx00_init_firmware(vha, ha->init_cb_size);
+ goto next_check;
+ }
+
+ /* Update any ISP specific firmware options before initialization. */
+ ha->isp_ops->update_fw_options(vha);
+
+ ql_dbg(ql_dbg_init, vha, 0x00d1,
+ "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
+ le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
+ le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
+ le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
+
+ if (ha->flags.npiv_supported) {
+ if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
+ ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
+ mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
+ }
+
+ if (IS_FWI2_CAPABLE(ha)) {
+ mid_init_cb->options = cpu_to_le16(BIT_1);
+ mid_init_cb->init_cb.execution_throttle =
+ cpu_to_le16(ha->cur_fw_xcb_count);
+ ha->flags.dport_enabled =
+ (le32_to_cpu(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 */
+ ha->flags.fawwpn_enabled =
+ (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
+ BIT_6) != 0;
+ ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
+ (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
+ /* Init_cb will be reused for other command(s). Save a backup copy of port_name */
+ memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE);
+ }
+
+ /* ELS pass through payload is limit by frame size. */
+ if (ha->flags.edif_enabled)
+ mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
+
+ QLA_FW_STARTED(ha);
+ rval = qla2x00_init_firmware(vha, ha->init_cb_size);
+next_check:
+ if (rval) {
+ QLA_FW_STOPPED(ha);
+ ql_log(ql_log_fatal, vha, 0x00d2,
+ "Init Firmware **** FAILED ****.\n");
+ } else {
+ ql_dbg(ql_dbg_init, vha, 0x00d3,
+ "Init Firmware -- success.\n");
+ vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
+ }
+
+ return (rval);
+}
+
+/**
+ * qla2x00_fw_ready() - Waits for firmware ready.
+ * @vha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fw_ready(scsi_qla_host_t *vha)
+{
+ int rval;
+ unsigned long wtime, mtime, cs84xx_time;
+ uint16_t min_wait; /* Minimum wait time if loop is down */
+ uint16_t wait_time; /* Wait time if loop is coming ready */
+ uint16_t state[6];
+ struct qla_hw_data *ha = vha->hw;
+
+ if (IS_QLAFX00(vha->hw))
+ return qlafx00_fw_ready(vha);
+
+ /* Time to wait for loop down */
+ if (IS_P3P_TYPE(ha))
+ min_wait = 30;
+ else
+ min_wait = 20;
+
+ /*
+ * 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 */
+ if (!vha->flags.init_done)
+ ql_log(ql_log_info, vha, 0x801e,
+ "Waiting for LIP to complete.\n");
+
+ do {
+ memset(state, -1, sizeof(state));
+ rval = qla2x00_get_firmware_state(vha, state);
+ if (rval == QLA_SUCCESS) {
+ if (state[0] < FSTATE_LOSS_OF_SYNC) {
+ vha->device_flags &= ~DFLG_NO_CABLE;
+ }
+ if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
+ ql_dbg(ql_dbg_taskm, vha, 0x801f,
+ "fw_state=%x 84xx=%x.\n", state[0],
+ state[2]);
+ if ((state[2] & FSTATE_LOGGED_IN) &&
+ (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8028,
+ "Sending verify iocb.\n");
+
+ cs84xx_time = jiffies;
+ rval = qla84xx_init_chip(vha);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn,
+ vha, 0x8007,
+ "Init chip failed.\n");
+ break;
+ }
+
+ /* Add time taken to initialize. */
+ cs84xx_time = jiffies - cs84xx_time;
+ wtime += cs84xx_time;
+ mtime += cs84xx_time;
+ ql_dbg(ql_dbg_taskm, vha, 0x8008,
+ "Increasing wait time by %ld. "
+ "New time %ld.\n", cs84xx_time,
+ wtime);
+ }
+ } else if (state[0] == FSTATE_READY) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8037,
+ "F/W Ready - OK.\n");
+
+ qla2x00_get_retry_cnt(vha, &ha->retry_count,
+ &ha->login_timeout, &ha->r_a_tov);
+
+ rval = QLA_SUCCESS;
+ break;
+ }
+
+ rval = QLA_FUNCTION_FAILED;
+
+ if (atomic_read(&vha->loop_down_timer) &&
+ state[0] != FSTATE_READY) {
+ /* Loop down. Timeout on min_wait for states
+ * other than Wait for Login.
+ */
+ if (time_after_eq(jiffies, mtime)) {
+ ql_log(ql_log_info, vha, 0x8038,
+ "Cable is unplugged...\n");
+
+ vha->device_flags |= DFLG_NO_CABLE;
+ break;
+ }
+ }
+ } else {
+ /* Mailbox cmd failed. Timeout on min_wait. */
+ if (time_after_eq(jiffies, mtime) ||
+ ha->flags.isp82xx_fw_hung)
+ break;
+ }
+
+ if (time_after_eq(jiffies, wtime))
+ break;
+
+ /* Delay for a while */
+ msleep(500);
+ } while (1);
+
+ ql_dbg(ql_dbg_taskm, vha, 0x803a,
+ "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);
+
+ if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
+ ql_log(ql_log_warn, vha, 0x803b,
+ "Firmware ready **** FAILED ****.\n");
+ }
+
+ return (rval);
+}
+
+/*
+* qla2x00_configure_hba
+* Setup adapter context.
+*
+* Input:
+* ha = adapter state pointer.
+*
+* Returns:
+* 0 = success
+*
+* Context:
+* Kernel context.
+*/
+static int
+qla2x00_configure_hba(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint16_t loop_id;
+ uint16_t topo;
+ uint16_t sw_cap;
+ uint8_t al_pa;
+ uint8_t area;
+ uint8_t domain;
+ char connect_type[22];
+ struct qla_hw_data *ha = vha->hw;
+ scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+ port_id_t id;
+ unsigned long flags;
+
+ /* Get host addresses. */
+ rval = qla2x00_get_adapter_id(vha,
+ &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
+ if (rval != QLA_SUCCESS) {
+ if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
+ IS_CNA_CAPABLE(ha) ||
+ (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2008,
+ "Loop is in a transition state.\n");
+ } else {
+ ql_log(ql_log_warn, vha, 0x2009,
+ "Unable to get host loop ID.\n");
+ 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;
+ }
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ }
+ return (rval);
+ }
+
+ if (topo == 4) {
+ ql_log(ql_log_info, vha, 0x200a,
+ "Cannot get topology - retrying.\n");
+ return (QLA_FUNCTION_FAILED);
+ }
+
+ vha->loop_id = loop_id;
+
+ /* initialize */
+ ha->min_external_loopid = SNS_FIRST_LOOP_ID;
+ ha->operating_mode = LOOP;
+
+ switch (topo) {
+ case 0:
+ ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
+ ha->switch_cap = 0;
+ ha->current_topology = ISP_CFG_NL;
+ strcpy(connect_type, "(Loop)");
+ break;
+
+ case 1:
+ ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
+ ha->switch_cap = sw_cap;
+ ha->current_topology = ISP_CFG_FL;
+ strcpy(connect_type, "(FL_Port)");
+ break;
+
+ case 2:
+ ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
+ ha->switch_cap = 0;
+ ha->operating_mode = P2P;
+ ha->current_topology = ISP_CFG_N;
+ strcpy(connect_type, "(N_Port-to-N_Port)");
+ break;
+
+ case 3:
+ ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
+ ha->switch_cap = sw_cap;
+ ha->operating_mode = P2P;
+ ha->current_topology = ISP_CFG_F;
+ strcpy(connect_type, "(F_Port)");
+ break;
+
+ default:
+ ql_dbg(ql_dbg_disc, vha, 0x200f,
+ "HBA in unknown topology %x, using NL.\n", topo);
+ ha->switch_cap = 0;
+ ha->current_topology = ISP_CFG_NL;
+ strcpy(connect_type, "(Loop)");
+ break;
+ }
+
+ /* Save Host port and loop ID. */
+ /* byte order - Big Endian */
+ id.b.domain = domain;
+ id.b.area = area;
+ id.b.al_pa = al_pa;
+ id.b.rsvd_1 = 0;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (vha->hw->flags.edif_enabled) {
+ if (topo != 2)
+ qlt_update_host_map(vha, id);
+ } else if (!(topo == 2 && ha->flags.n2n_bigger))
+ qlt_update_host_map(vha, id);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (!vha->flags.init_done)
+ ql_log(ql_log_info, vha, 0x2010,
+ "Topology - %s, Host Loop address 0x%x.\n",
+ connect_type, vha->loop_id);
+
+ return(rval);
+}
+
+inline void
+qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
+ const char *def)
+{
+ char *st, *en;
+ uint16_t index;
+ uint64_t zero[2] = { 0 };
+ struct qla_hw_data *ha = vha->hw;
+ int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
+ !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
+
+ if (len > sizeof(zero))
+ len = sizeof(zero);
+ if (memcmp(model, &zero, len) != 0) {
+ memcpy(ha->model_number, model, len);
+ 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);
+ if (use_tbl &&
+ ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
+ index < QLA_MODEL_NAMES)
+ strlcpy(ha->model_desc,
+ qla2x00_model_name[index * 2 + 1],
+ sizeof(ha->model_desc));
+ } else {
+ index = (ha->pdev->subsystem_device & 0xff);
+ if (use_tbl &&
+ ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
+ index < QLA_MODEL_NAMES) {
+ strlcpy(ha->model_number,
+ qla2x00_model_name[index * 2],
+ sizeof(ha->model_number));
+ strlcpy(ha->model_desc,
+ qla2x00_model_name[index * 2 + 1],
+ sizeof(ha->model_desc));
+ } else {
+ strlcpy(ha->model_number, def,
+ sizeof(ha->model_number));
+ }
+ }
+ if (IS_FWI2_CAPABLE(ha))
+ qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
+ sizeof(ha->model_desc));
+}
+
+/* On sparc systems, obtain port and node WWN from firmware
+ * properties.
+ */
+static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
+{
+#ifdef CONFIG_SPARC
+ struct qla_hw_data *ha = vha->hw;
+ struct pci_dev *pdev = ha->pdev;
+ struct device_node *dp = pci_device_to_OF_node(pdev);
+ const u8 *val;
+ 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
+}
+
+/*
+* 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.
+*/
+int
+qla2x00_nvram_config(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint8_t chksum = 0;
+ uint16_t cnt;
+ uint8_t *dptr1, *dptr2;
+ struct qla_hw_data *ha = vha->hw;
+ init_cb_t *icb = ha->init_cb;
+ nvram_t *nv = ha->nvram;
+ uint8_t *ptr = ha->nvram;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+
+ rval = QLA_SUCCESS;
+
+ /* Determine NVRAM starting address. */
+ ha->nvram_size = sizeof(*nv);
+ 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. */
+ ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
+ for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
+ chksum += *ptr++;
+
+ 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,
+ nv, ha->nvram_size);
+
+ /* Bad NVRAM data, set defaults parameters. */
+ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
+ nv->nvram_version < 1) {
+ /* Reset NVRAM data. */
+ ql_log(ql_log_warn, vha, 0x0064,
+ "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
+ chksum, nv->id, nv->nvram_version);
+ ql_log(ql_log_warn, vha, 0x0065,
+ "Falling back to "
+ "functioning (yet invalid -- WWPN) defaults.\n");
+
+ /*
+ * 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;
+ nv->frame_payload_size = cpu_to_le16(2048);
+ 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;
+ nv->frame_payload_size = cpu_to_le16(1024);
+ } else if (IS_QLA2100(ha)) {
+ nv->firmware_options[0] = BIT_3 | BIT_1;
+ nv->firmware_options[1] = BIT_5;
+ nv->frame_payload_size = cpu_to_le16(1024);
+ }
+
+ nv->max_iocb_allocation = cpu_to_le16(256);
+ nv->execution_throttle = cpu_to_le16(16);
+ nv->retry_count = 8;
+ nv->retry_delay = 1;
+
+ nv->port_name[0] = 33;
+ nv->port_name[3] = 224;
+ nv->port_name[4] = 139;
+
+ qla2xxx_nvram_wwn_from_ofw(vha, nv);
+
+ 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;
+ nv->max_luns_per_target = cpu_to_le16(8);
+ nv->link_down_timeout = 60;
+
+ rval = 1;
+ }
+
+ /* Reset Initialization control block */
+ memset(icb, 0, ha->init_cb_size);
+
+ /*
+ * 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;
+ nv->special_options[0] &= ~BIT_6;
+ nv->add_firmware_options[1] |= BIT_5 | BIT_4;
+
+ if (IS_QLA2300(ha)) {
+ if (ha->fb_rev == FPM_2310) {
+ strcpy(ha->model_number, "QLA2310");
+ } else {
+ strcpy(ha->model_number, "QLA2300");
+ }
+ } else {
+ qla2x00_set_model_info(vha, nv->model_number,
+ sizeof(nv->model_number), "QLA23xx");
+ }
+ } 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++;
+ ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
+ /* 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);
+ }
+
+ /* 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.
+ */
+
+ /*
+ * BIT_7 in the host-parameters section allows for modification to
+ * internal driver logging.
+ */
+ if (nv->host_p[0] & BIT_7)
+ ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
+ 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);
+ ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
+ ha->flags.disable_serdes = 0;
+
+ 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];
+ memcpy(vha->node_name, icb->node_name, WWN_SIZE);
+ memcpy(vha->port_name, icb->port_name, WWN_SIZE);
+
+ icb->execution_throttle = cpu_to_le16(0xFFFF);
+
+ ha->retry_count = nv->retry_count;
+
+ /* Set minimum login_timeout to 4 seconds. */
+ if (nv->login_timeout != ql2xlogintimeout)
+ nv->login_timeout = ql2xlogintimeout;
+ if (nv->login_timeout < 4)
+ nv->login_timeout = 4;
+ ha->login_timeout = 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:
+ *
+ * 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 (nv->link_down_timeout == 0) {
+ ha->loop_down_abort_time =
+ (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
+ } else {
+ ha->link_down_timeout = 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 = 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;
+
+ icb->lun_enables = cpu_to_le16(0);
+ icb->command_resource_count = 0;
+ icb->immediate_notify_resource_count = 0;
+ icb->timeout = cpu_to_le16(0);
+
+ 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;
+
+ vha->flags.process_response_queue = 1;
+ } else {
+ /* Enable ZIO. */
+ if (!vha->flags.init_done) {
+ ha->zio_mode = icb->add_firmware_options[0] &
+ (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ ha->zio_timer = icb->interrupt_delay_timer ?
+ icb->interrupt_delay_timer : 2;
+ }
+ icb->add_firmware_options[0] &=
+ ~(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;
+
+ ql_log(ql_log_info, vha, 0x0068,
+ "ZIO mode %d enabled; timer delay (%d us).\n",
+ ha->zio_mode, ha->zio_timer * 100);
+
+ icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
+ icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
+ vha->flags.process_response_queue = 1;
+ }
+ }
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0069,
+ "NVRAM configuration failed.\n");
+ }
+ return (rval);
+}
+
+static void
+qla2x00_rport_del(void *data)
+{
+ fc_port_t *fcport = data;
+ struct fc_rport *rport;
+ unsigned long flags;
+
+ spin_lock_irqsave(fcport->vha->host->host_lock, flags);
+ rport = fcport->drport ? fcport->drport : fcport->rport;
+ fcport->drport = NULL;
+ spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
+ if (rport) {
+ ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
+ "%s %8phN. rport %p roles %x\n",
+ __func__, fcport->port_name, rport,
+ rport->roles);
+
+ fc_remote_port_delete(rport);
+ }
+}
+
+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);
+ }
+}
+
+/**
+ * qla2x00_alloc_fcport() - Allocate a generic fcport.
+ * @vha: HA context
+ * @flags: allocation flags
+ *
+ * Returns a pointer to the allocated fcport, or NULL, if none available.
+ */
+fc_port_t *
+qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
+{
+ fc_port_t *fcport;
+
+ fcport = kzalloc(sizeof(fc_port_t), flags);
+ if (!fcport)
+ return NULL;
+
+ 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;
+ }
+
+ /* Setup fcport template structure. */
+ fcport->vha = vha;
+ fcport->port_type = FCT_UNKNOWN;
+ fcport->loop_id = FC_NO_LOOP_ID;
+ qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
+ fcport->supported_classes = FC_COS_UNSPECIFIED;
+ fcport->fp_speed = PORT_SPEED_UNKNOWN;
+
+ 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;
+ fcport->chip_reset = vha->hw->base_qpair->chip_reset;
+ fcport->logout_on_delete = 1;
+ fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
+ fcport->tgt_short_link_down_cnt = 0;
+ fcport->dev_loss_tmo = 0;
+
+ if (!fcport->ct_desc.ct_sns) {
+ ql_log(ql_log_warn, vha, 0xd049,
+ "Failed to allocate ct_sns request.\n");
+ kfree(fcport);
+ return NULL;
+ }
+
+ INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
+ INIT_WORK(&fcport->free_work, qlt_free_session_done);
+ INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
+ INIT_LIST_HEAD(&fcport->gnl_entry);
+ INIT_LIST_HEAD(&fcport->list);
+
+ INIT_LIST_HEAD(&fcport->sess_cmd_list);
+ spin_lock_init(&fcport->sess_cmd_lock);
+
+ spin_lock_init(&fcport->edif.sa_list_lock);
+ INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
+ INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
+
+ spin_lock_init(&fcport->edif.indx_list_lock);
+ INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
+
+ return fcport;
+}
+
+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;
+ }
+
+ qla_edif_flush_sa_ctl_lists(fcport);
+ list_del(&fcport->list);
+ qla2x00_clear_loop_id(fcport);
+
+ qla_edif_list_del(fcport);
+
+ kfree(fcport);
+}
+
+static void qla_get_login_template(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int rval;
+ u32 *bp, sz;
+ __be32 *q;
+
+ memset(ha->init_cb, 0, ha->init_cb_size);
+ sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
+ rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
+ ha->init_cb, sz);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_init, vha, 0x00d1,
+ "PLOGI ELS param read fail.\n");
+ return;
+ }
+ q = (__be32 *)&ha->plogi_els_payld.fl_csp;
+
+ bp = (uint32_t *)ha->init_cb;
+ cpu_to_be32_array(q, bp, sz / 4);
+ ha->flags.plogi_template_valid = 1;
+}
+
+/*
+ * 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
+qla2x00_configure_loop(scsi_qla_host_t *vha)
+{
+ int rval;
+ unsigned long flags, save_flags;
+ struct qla_hw_data *ha = vha->hw;
+
+ rval = QLA_SUCCESS;
+
+ /* Get Initiator ID */
+ if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
+ rval = qla2x00_configure_hba(vha);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_disc, vha, 0x2013,
+ "Unable to configure HBA.\n");
+ return (rval);
+ }
+ }
+
+ save_flags = flags = vha->dpc_flags;
+ ql_dbg(ql_dbg_disc, vha, 0x2014,
+ "Configure loop -- dpc flags = 0x%lx.\n", flags);
+
+ /*
+ * If we have both an RSCN and PORT UPDATE pending then handle them
+ * both at the same time.
+ */
+ clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ clear_bit(RSCN_UPDATE, &vha->dpc_flags);
+
+ qla2x00_get_data_rate(vha);
+ qla_get_login_template(vha);
+
+ /* Determine what we need to do */
+ if ((ha->current_topology == ISP_CFG_FL ||
+ ha->current_topology == ISP_CFG_F) &&
+ (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
+
+ set_bit(RSCN_UPDATE, &flags);
+ clear_bit(LOCAL_LOOP_UPDATE, &flags);
+
+ } else if (ha->current_topology == ISP_CFG_NL ||
+ ha->current_topology == ISP_CFG_N) {
+ clear_bit(RSCN_UPDATE, &flags);
+ set_bit(LOCAL_LOOP_UPDATE, &flags);
+ } else if (!vha->flags.online ||
+ (test_bit(ABORT_ISP_ACTIVE, &flags))) {
+ set_bit(RSCN_UPDATE, &flags);
+ set_bit(LOCAL_LOOP_UPDATE, &flags);
+ }
+
+ if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2015,
+ "Loop resync needed, failing.\n");
+ rval = QLA_FUNCTION_FAILED;
+ } else
+ rval = qla2x00_configure_local_loop(vha);
+ }
+
+ if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
+ if (LOOP_TRANSITION(vha)) {
+ ql_dbg(ql_dbg_disc, vha, 0x2099,
+ "Needs RSCN update and loop transition.\n");
+ rval = QLA_FUNCTION_FAILED;
+ }
+ else
+ rval = qla2x00_configure_fabric(vha);
+ }
+
+ if (rval == QLA_SUCCESS) {
+ if (atomic_read(&vha->loop_down_timer) ||
+ test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ atomic_set(&vha->loop_state, LOOP_READY);
+ ql_dbg(ql_dbg_disc, vha, 0x2069,
+ "LOOP READY.\n");
+ ha->flags.fw_init_done = 1;
+
+ /*
+ * use link up to wake up app to get ready for
+ * authentication.
+ */
+ if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
+ qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
+ ha->link_data_rate);
+
+ /*
+ * Process any ATIO queue entries that came in
+ * while we weren't online.
+ */
+ if (qla_tgt_mode_enabled(vha) ||
+ qla_dual_mode_enabled(vha)) {
+ spin_lock_irqsave(&ha->tgt.atio_lock, flags);
+ qlt_24xx_process_atio_queue(vha, 0);
+ spin_unlock_irqrestore(&ha->tgt.atio_lock,
+ flags);
+ }
+ }
+ }
+
+ if (rval) {
+ ql_dbg(ql_dbg_disc, vha, 0x206a,
+ "%s *** FAILED ***.\n", __func__);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x206b,
+ "%s: exiting normally. local port wwpn %8phN id %06x)\n",
+ __func__, vha->port_name, vha->d_id.b24);
+ }
+
+ /* Restore state if a resync event occurred during processing */
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
+ if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ if (test_bit(RSCN_UPDATE, &save_flags)) {
+ set_bit(RSCN_UPDATE, &vha->dpc_flags);
+ }
+ }
+
+ return (rval);
+}
+
+static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
+{
+ unsigned long flags;
+ fc_port_t *fcport;
+
+ ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
+
+ if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
+ set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->n2n_flag) {
+ qla24xx_fcport_handle_login(vha, fcport);
+ return QLA_SUCCESS;
+ }
+ }
+
+ 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);
+ }
+ return QLA_FUNCTION_FAILED;
+}
+
+static void
+qla_reinitialize_link(scsi_qla_host_t *vha)
+{
+ int rval;
+
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+ rval = qla2x00_full_login_lip(vha);
+ if (rval == QLA_SUCCESS) {
+ ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n");
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0xd051,
+ "Link reinitialization failed (%d)\n", rval);
+ }
+}
+
+/*
+ * qla2x00_configure_local_loop
+ * Updates Fibre Channel Device Database with local loop devices.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success.
+ */
+static int
+qla2x00_configure_local_loop(scsi_qla_host_t *vha)
+{
+ int rval, rval2;
+ int found_devs;
+ int found;
+ fc_port_t *fcport, *new_fcport;
+ uint16_t index;
+ uint16_t entries;
+ struct gid_list_info *gid;
+ uint16_t loop_id;
+ uint8_t domain, area, al_pa;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+
+ /* Inititae N2N login. */
+ if (N2N_TOPO(ha))
+ return qla2x00_configure_n2n_loop(vha);
+
+ found_devs = 0;
+ new_fcport = NULL;
+ entries = MAX_FIBRE_DEVICES_LOOP;
+
+ /* Get list of logged in devices. */
+ memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
+ rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
+ &entries);
+ if (rval != QLA_SUCCESS)
+ goto err;
+
+ ql_dbg(ql_dbg_disc, vha, 0x2011,
+ "Entries in ID list (%d).\n", entries);
+ ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
+ ha->gid_list, entries * sizeof(*ha->gid_list));
+
+ 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) {
+ u8 loop_map_entries = 0;
+ int rc;
+
+ rc = qla2x00_get_fcal_position_map(vha, NULL,
+ &loop_map_entries);
+ if (rc == QLA_SUCCESS && loop_map_entries > 1) {
+ /*
+ * There are devices that are still not logged
+ * in. Reinitialize to give them a chance.
+ */
+ qla_reinitialize_link(vha);
+ return QLA_FUNCTION_FAILED;
+ }
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ }
+ } else {
+ vha->scan.scan_retry = 0;
+ }
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ fcport->scan_state = QLA_FCPORT_SCAN;
+ }
+
+ /* Allocate temporary fcport for any new fcports discovered. */
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (new_fcport == NULL) {
+ ql_log(ql_log_warn, vha, 0x2012,
+ "Memory allocation failed for fcport.\n");
+ rval = QLA_MEMORY_ALLOC_FAILED;
+ goto err;
+ }
+ new_fcport->flags &= ~FCF_FABRIC_DEVICE;
+
+ /* Add devices to port list. */
+ gid = ha->gid_list;
+ for (index = 0; index < entries; index++) {
+ domain = gid->domain;
+ area = gid->area;
+ al_pa = gid->al_pa;
+ if (IS_QLA2100(ha) || IS_QLA2200(ha))
+ loop_id = gid->loop_id_2100;
+ else
+ loop_id = le16_to_cpu(gid->loop_id);
+ gid = (void *)gid + ha->gid_list_info_size;
+
+ /* Bypass reserved domain fields. */
+ if ((domain & 0xf0) == 0xf0)
+ continue;
+
+ /* 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;
+
+
+ /* Bypass invalid local loop ID. */
+ if (loop_id > LAST_LOCAL_LOOP_ID)
+ continue;
+
+ memset(new_fcport->port_name, 0, WWN_SIZE);
+
+ /* 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;
+ new_fcport->scan_state = QLA_FCPORT_FOUND;
+
+ rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
+ if (rval2 != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_disc, vha, 0x2097,
+ "Failed to retrieve fcport information "
+ "-- get_port_database=%x, loop_id=0x%04x.\n",
+ rval2, new_fcport->loop_id);
+ /* 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;
+ }
+ }
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ /* Check for matching device in port list. */
+ found = 0;
+ fcport = NULL;
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (memcmp(new_fcport->port_name, fcport->port_name,
+ WWN_SIZE))
+ continue;
+
+ fcport->flags &= ~FCF_FABRIC_DEVICE;
+ 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);
+ fcport->scan_state = QLA_FCPORT_FOUND;
+ if (fcport->login_retry == 0) {
+ fcport->login_retry = vha->hw->login_retry_count;
+ ql_dbg(ql_dbg_disc, vha, 0x2135,
+ "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
+ fcport->port_name, fcport->loop_id,
+ fcport->login_retry);
+ }
+ found++;
+ break;
+ }
+
+ if (!found) {
+ /* New device, add to fcports list. */
+ list_add_tail(&new_fcport->list, &vha->vp_fcports);
+
+ /* Allocate a new replacement fcport. */
+ fcport = new_fcport;
+
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+
+ if (new_fcport == NULL) {
+ ql_log(ql_log_warn, vha, 0xd031,
+ "Failed to allocate memory for fcport.\n");
+ rval = QLA_MEMORY_ALLOC_FAILED;
+ goto err;
+ }
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ new_fcport->flags &= ~FCF_FABRIC_DEVICE;
+ }
+
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+ /* Base iIDMA settings on HBA port speed. */
+ fcport->fp_speed = ha->link_data_rate;
+
+ found_devs++;
+ }
+
+ 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,
+ ql2xplogiabsentdevice);
+ 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);
+
+ qlt_schedule_sess_for_deletion(fcport);
+ continue;
+ }
+ }
+ }
+
+ if (fcport->scan_state == QLA_FCPORT_FOUND)
+ qla24xx_fcport_handle_login(vha, fcport);
+ }
+
+ qla2x00_free_fcport(new_fcport);
+
+ return rval;
+
+err:
+ ql_dbg(ql_dbg_disc, vha, 0x2098,
+ "Configure local loop error exit: rval=%x.\n", rval);
+ return rval;
+}
+
+static void
+qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ int rval;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_IIDMA_CAPABLE(ha))
+ return;
+
+ if (atomic_read(&fcport->state) != FCS_ONLINE)
+ return;
+
+ if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
+ fcport->fp_speed > ha->link_data_rate ||
+ !ha->flags.gpsc_supported)
+ return;
+
+ rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
+ mb);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_disc, vha, 0x2004,
+ "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
+ fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x2005,
+ "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
+ qla2x00_get_link_speed_str(ha, fcport->fp_speed),
+ fcport->fp_speed, fcport->port_name);
+ }
+}
+
+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);
+}
+
+/* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
+static void
+qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ struct fc_rport_identifiers rport_ids;
+ struct fc_rport *rport;
+ unsigned long flags;
+
+ if (atomic_read(&fcport->state) == FCS_ONLINE)
+ return;
+
+ rport_ids.node_name = wwn_to_u64(fcport->node_name);
+ rport_ids.port_name = wwn_to_u64(fcport->port_name);
+ rport_ids.port_id = fcport->d_id.b.domain << 16 |
+ fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
+ rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
+ fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
+ if (!rport) {
+ ql_log(ql_log_warn, vha, 0x2006,
+ "Unable to allocate fc remote port.\n");
+ return;
+ }
+
+ spin_lock_irqsave(fcport->vha->host->host_lock, flags);
+ *((fc_port_t **)rport->dd_data) = fcport;
+ spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
+ fcport->dev_loss_tmo = rport->dev_loss_tmo;
+
+ rport->supported_classes = fcport->supported_classes;
+
+ rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
+ if (fcport->port_type == FCT_INITIATOR)
+ rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
+ if (fcport->port_type == FCT_TARGET)
+ 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;
+
+ fc_remote_port_rolechg(rport, rport_ids.roles);
+
+ ql_dbg(ql_dbg_disc, vha, 0x20ee,
+ "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
+ __func__, fcport->port_name, vha->host_no,
+ rport->scsi_target_id, rport,
+ (fcport->port_type == FCT_TARGET) ? "tgt" :
+ ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
+}
+
+/*
+ * 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
+qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ unsigned long flags;
+
+ if (IS_SW_RESV_ADDR(fcport->d_id))
+ return;
+
+ ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
+ __func__, fcport->port_name);
+
+ qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
+ fcport->login_retry = vha->hw->login_retry_count;
+ fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
+
+ spin_lock_irqsave(&vha->work_lock, flags);
+ fcport->deleted = 0;
+ spin_unlock_irqrestore(&vha->work_lock, flags);
+
+ if (vha->hw->current_topology == ISP_CFG_NL)
+ fcport->logout_on_delete = 0;
+ else
+ fcport->logout_on_delete = 1;
+ fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
+
+ if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
+ fcport->tgt_short_link_down_cnt++;
+ fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
+ }
+
+ switch (vha->hw->current_topology) {
+ case ISP_CFG_N:
+ case ISP_CFG_NL:
+ fcport->keep_nport_handle = 1;
+ break;
+ default:
+ break;
+ }
+
+ qla2x00_iidma_fcport(vha, fcport);
+
+ qla2x00_dfs_create_rport(vha, fcport);
+
+ qla24xx_update_fcport_fcp_prio(vha, fcport);
+
+ switch (vha->host->active_mode) {
+ case MODE_INITIATOR:
+ qla2x00_reg_remote_port(vha, fcport);
+ 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:
+ qla2x00_reg_remote_port(vha, fcport);
+ if (!vha->vha_tgt.qla_tgt->tgt_stop &&
+ !vha->vha_tgt.qla_tgt->tgt_stopped)
+ qlt_fc_port_added(vha, fcport);
+ break;
+ default:
+ break;
+ }
+
+ if (NVME_TARGET(vha->hw, fcport))
+ qla_nvme_register_remote(vha, fcport);
+
+ qla2x00_set_fcport_state(fcport, FCS_ONLINE);
+
+ 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);
+ }
+ }
+
+ qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
+}
+
+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);
+
+ ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
+ "%s rscn gen %d/%d next DS %d\n", __func__,
+ rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
+
+ 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;
+ }
+ }
+}
+
+/*
+ * qla2x00_configure_fabric
+ * Setup SNS devices with loop ID's.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success.
+ * BIT_0 = error
+ */
+static int
+qla2x00_configure_fabric(scsi_qla_host_t *vha)
+{
+ int rval;
+ fc_port_t *fcport;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+ uint16_t loop_id;
+ LIST_HEAD(new_fcports);
+ struct qla_hw_data *ha = vha->hw;
+ int discovery_gen;
+
+ /* If FL port exists, then SNS is present */
+ if (IS_FWI2_CAPABLE(ha))
+ loop_id = NPH_F_PORT;
+ else
+ loop_id = SNS_FL_PORT;
+ rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_disc, vha, 0x20a0,
+ "MBX_GET_PORT_NAME failed, No FL Port.\n");
+
+ vha->device_flags &= ~SWITCH_FOUND;
+ return (QLA_SUCCESS);
+ }
+ vha->device_flags |= SWITCH_FOUND;
+
+ 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");
+
+ 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,
+ "Failed to enable receiving of RSCN requests: 0x%x.\n",
+ rval);
+ }
+
+ do {
+ qla2x00_mgmt_svr_login(vha);
+
+ /* Ensure we are logged into the SNS. */
+ loop_id = NPH_SNS_LID(ha);
+ rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
+ 0xfc, mb, BIT_1|BIT_0);
+ 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);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ return rval;
+ }
+
+ /* FDMI support. */
+ if (ql2xfdmienable &&
+ test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
+ qla2x00_fdmi_register(vha);
+
+ if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
+ if (qla2x00_rft_id(vha)) {
+ /* EMPTY */
+ ql_dbg(ql_dbg_disc, vha, 0x20a2,
+ "Register FC-4 TYPE failed.\n");
+ if (test_bit(LOOP_RESYNC_NEEDED,
+ &vha->dpc_flags))
+ break;
+ }
+ if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
+ /* EMPTY */
+ ql_dbg(ql_dbg_disc, vha, 0x209a,
+ "Register FC-4 Features failed.\n");
+ if (test_bit(LOOP_RESYNC_NEEDED,
+ &vha->dpc_flags))
+ break;
+ }
+ 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");
+ }
+ }
+ if (qla2x00_rnn_id(vha)) {
+ /* EMPTY */
+ ql_dbg(ql_dbg_disc, vha, 0x2104,
+ "Register Node Name failed.\n");
+ if (test_bit(LOOP_RESYNC_NEEDED,
+ &vha->dpc_flags))
+ break;
+ } else if (qla2x00_rsnn_nn(vha)) {
+ /* EMPTY */
+ ql_dbg(ql_dbg_disc, vha, 0x209b,
+ "Register Symbolic Node Name failed.\n");
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ break;
+ }
+ }
+
+
+ /* 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);
+
+ if (USE_ASYNC_SCAN(ha)) {
+ rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
+ NULL);
+ if (rval)
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ } else {
+ list_for_each_entry(fcport, &vha->vp_fcports, list)
+ fcport->scan_state = QLA_FCPORT_SCAN;
+
+ rval = qla2x00_find_all_fabric_devs(vha);
+ }
+ if (rval != QLA_SUCCESS)
+ break;
+ } while (0);
+
+ if (!vha->nvme_local_port && vha->flags.nvme_enabled)
+ qla_nvme_register_hba(vha);
+
+ if (rval)
+ ql_dbg(ql_dbg_disc, vha, 0x2068,
+ "Configure fabric error exit rval=%d.\n", rval);
+
+ 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
+qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint16_t loop_id;
+ fc_port_t *fcport, *new_fcport;
+ int found;
+
+ sw_info_t *swl;
+ int swl_idx;
+ int first_dev, last_dev;
+ port_id_t wrap = {}, nxt_d_id;
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
+ unsigned long flags;
+
+ rval = QLA_SUCCESS;
+
+ /* Try GID_PT to get device list, else GAN. */
+ if (!ha->swl)
+ ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
+ GFP_KERNEL);
+ swl = ha->swl;
+ if (!swl) {
+ /*EMPTY*/
+ ql_dbg(ql_dbg_disc, vha, 0x209c,
+ "GID_PT allocations failed, fallback on GA_NXT.\n");
+ } else {
+ memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
+ if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
+ swl = NULL;
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ return rval;
+ } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
+ swl = NULL;
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ return rval;
+ } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
+ swl = NULL;
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ return rval;
+ } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
+ swl = NULL;
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ return rval;
+ }
+
+ /* If other queries succeeded probe for FC-4 type */
+ if (swl) {
+ qla2x00_gff_id(vha, swl);
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ return rval;
+ }
+ }
+ swl_idx = 0;
+
+ /* Allocate temporary fcport for any new fcports discovered. */
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (new_fcport == NULL) {
+ ql_log(ql_log_warn, vha, 0x209d,
+ "Failed to allocate memory for fcport.\n");
+ 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. */
+ loop_id = ha->min_external_loopid;
+ for (; loop_id <= ha->max_loop_id; loop_id++) {
+ if (qla2x00_is_reserved_id(vha, loop_id))
+ continue;
+
+ if (ha->current_topology == ISP_CFG_FL &&
+ (atomic_read(&vha->loop_down_timer) ||
+ LOOP_TRANSITION(vha))) {
+ atomic_set(&vha->loop_down_timer, 0);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ break;
+ }
+
+ 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);
+ memcpy(new_fcport->fabric_port_name,
+ swl[swl_idx].fabric_port_name, WWN_SIZE);
+ new_fcport->fp_speed = swl[swl_idx].fp_speed;
+ new_fcport->fc4_type = swl[swl_idx].fc4_type;
+
+ new_fcport->nvme_flag = 0;
+ if (vha->flags.nvme_enabled &&
+ swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
+ ql_log(ql_log_info, vha, 0x2131,
+ "FOUND: NVME port %8phC as FC Type 28h\n",
+ new_fcport->port_name);
+ }
+
+ if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
+ last_dev = 1;
+ }
+ swl_idx++;
+ }
+ } else {
+ /* Send GA_NXT to the switch */
+ rval = qla2x00_ga_nxt(vha, new_fcport);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x209e,
+ "SNS scan failed -- assuming "
+ "zero-entry result.\n");
+ 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) {
+ ql_dbg(ql_dbg_disc, vha, 0x209f,
+ "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);
+ break;
+ }
+
+ /* Bypass if same physical adapter. */
+ if (new_fcport->d_id.b24 == base_vha->d_id.b24)
+ continue;
+
+ /* Bypass virtual ports of the same host. */
+ if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
+ continue;
+
+ /* Bypass if same domain and area of adapter. */
+ if (((new_fcport->d_id.b24 & 0xffff00) ==
+ (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
+ ISP_CFG_FL)
+ continue;
+
+ /* Bypass reserved domain fields. */
+ if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
+ continue;
+
+ /* Bypass ports whose FCP-4 type is not FCP_SCSI */
+ if (ql2xgffidenable &&
+ (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
+ new_fcport->fc4_type != 0))
+ continue;
+
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+
+ /* Locate matching device in database. */
+ found = 0;
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (memcmp(new_fcport->port_name, fcport->port_name,
+ WWN_SIZE))
+ continue;
+
+ fcport->scan_state = QLA_FCPORT_FOUND;
+
+ found++;
+
+ /* Update port state. */
+ memcpy(fcport->fabric_port_name,
+ new_fcport->fabric_port_name, WWN_SIZE);
+ fcport->fp_speed = new_fcport->fp_speed;
+
+ /*
+ * If address the same and state FCS_ONLINE
+ * (or in target mode), nothing changed.
+ */
+ if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
+ (atomic_read(&fcport->state) == FCS_ONLINE ||
+ (vha->host->active_mode == MODE_TARGET))) {
+ break;
+ }
+
+ if (fcport->login_retry == 0)
+ fcport->login_retry =
+ vha->hw->login_retry_count;
+ /*
+ * If device was not a fabric device before.
+ */
+ if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
+ fcport->d_id.b24 = new_fcport->d_id.b24;
+ qla2x00_clear_loop_id(fcport);
+ 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.
+ */
+ if (qla_tgt_mode_enabled(base_vha)) {
+ 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;
+ }
+
+ fcport->d_id.b24 = new_fcport->d_id.b24;
+ fcport->flags |= FCF_LOGIN_NEEDED;
+ break;
+ }
+
+ if (found && NVME_TARGET(vha->hw, fcport)) {
+ if (fcport->disc_state == DSC_DELETE_PEND) {
+ qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
+ vha->fcport_count--;
+ fcport->login_succ = 0;
+ }
+ }
+
+ if (found) {
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ continue;
+ }
+ /* If device was not in our fcports list, then add it. */
+ new_fcport->scan_state = QLA_FCPORT_FOUND;
+ list_add_tail(&new_fcport->list, &vha->vp_fcports);
+
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+
+
+ /* Allocate a new replacement fcport. */
+ nxt_d_id.b24 = new_fcport->d_id.b24;
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (new_fcport == NULL) {
+ ql_log(ql_log_warn, vha, 0xd032,
+ "Memory allocation failed for fcport.\n");
+ return (QLA_MEMORY_ALLOC_FAILED);
+ }
+ new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
+ new_fcport->d_id.b24 = nxt_d_id.b24;
+ }
+
+ 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;
+
+ if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
+ 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,
+ ql2xplogiabsentdevice);
+ 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);
+ qlt_schedule_sess_for_deletion(fcport);
+ continue;
+ }
+ }
+ }
+
+ if (fcport->scan_state == QLA_FCPORT_FOUND &&
+ (fcport->flags & FCF_LOGIN_NEEDED) != 0)
+ qla24xx_fcport_handle_login(vha, fcport);
+ }
+ return (rval);
+}
+
+/* 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;
+}
+
+/*
+ * 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
+qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
+ uint16_t *next_loopid)
+{
+ int rval;
+ int retry;
+ uint16_t tmp_loopid;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+ struct qla_hw_data *ha = vha->hw;
+
+ retry = 0;
+ tmp_loopid = 0;
+
+ for (;;) {
+ 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);
+
+ /* Login fcport on switch. */
+ rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa, mb, BIT_0);
+ if (rval != QLA_SUCCESS) {
+ return rval;
+ }
+ if (mb[0] == MBS_PORT_ID_USED) {
+ /*
+ * Device has another loop ID. The firmware team
+ * 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.
+ */
+ retry++;
+ tmp_loopid = fcport->loop_id;
+ fcport->loop_id = mb[1];
+
+ ql_dbg(ql_dbg_disc, vha, 0x2001,
+ "Fabric Login: port in use - next loop "
+ "id=0x%04x, port id= %02x%02x%02x.\n",
+ fcport->loop_id, fcport->d_id.b.domain,
+ fcport->d_id.b.area, fcport->d_id.b.al_pa);
+
+ } 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) {
+ fcport->flags |= FCF_FCP2_DEVICE;
+ }
+ }
+
+ if (mb[10] & BIT_0)
+ fcport->supported_classes |= FC_COS_CLASS2;
+ if (mb[10] & BIT_1)
+ fcport->supported_classes |= FC_COS_CLASS3;
+
+ if (IS_FWI2_CAPABLE(ha)) {
+ if (mb[10] & BIT_7)
+ fcport->flags |=
+ FCF_CONF_COMP_SUPPORTED;
+ }
+
+ rval = QLA_SUCCESS;
+ break;
+ } else if (mb[0] == MBS_LOOP_ID_USED) {
+ /*
+ * Loop ID already used, try next loop ID.
+ */
+ fcport->loop_id++;
+ rval = qla2x00_find_new_loop_id(vha, fcport);
+ 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;
+ ha->isp_ops->fabric_logout(vha, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa);
+ qla2x00_mark_device_lost(vha, fcport, 1);
+
+ rval = 1;
+ break;
+ } else {
+ /*
+ * unrecoverable / not handled error
+ */
+ 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);
+
+ *next_loopid = fcport->loop_id;
+ ha->isp_ops->fabric_logout(vha, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa);
+ qla2x00_clear_loop_id(fcport);
+ fcport->login_retry = 0;
+
+ 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
+qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ int rval;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+
+ memset(mb, 0, sizeof(mb));
+ rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
+ 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
+qla2x00_loop_resync(scsi_qla_host_t *vha)
+{
+ int rval = QLA_SUCCESS;
+ uint32_t wait_time;
+
+ clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+ if (vha->flags.online) {
+ if (!(rval = qla2x00_fw_ready(vha))) {
+ /* Wait at most MAX_TARGET RSCNs for a stable link. */
+ wait_time = 256;
+ do {
+ if (!IS_QLAFX00(vha->hw)) {
+ /*
+ * Issue a marker after FW becomes
+ * ready.
+ */
+ qla2x00_marker(vha, vha->hw->base_qpair,
+ 0, 0, MK_SYNC_ALL);
+ vha->marker_needed = 0;
+ }
+
+ /* Remap devices on Loop. */
+ clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+
+ if (IS_QLAFX00(vha->hw))
+ qlafx00_configure_devices(vha);
+ else
+ qla2x00_configure_loop(vha);
+
+ wait_time--;
+ } 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)));
+ }
+ }
+
+ if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+ return (QLA_FUNCTION_FAILED);
+
+ if (rval)
+ ql_dbg(ql_dbg_disc, vha, 0x206c,
+ "%s *** FAILED ***.\n", __func__);
+
+ return (rval);
+}
+
+/*
+* 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;
+}
+
+void
+qla2x00_update_fcports(scsi_qla_host_t *base_vha)
+{
+ fc_port_t *fcport;
+ struct scsi_qla_host *vha, *tvp;
+ struct qla_hw_data *ha = base_vha->hw;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ /* Go with deferred removal of rport references. */
+ list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list) {
+ atomic_inc(&vha->vref_count);
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->drport &&
+ atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+ qla2x00_rport_del(fcport);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ }
+ }
+ atomic_dec(&vha->vref_count);
+ wake_up(&vha->vref_waitq);
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+}
+
+/* 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;
+
+ 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);
+ }
+ 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;
+ }
+}
+
+static int
+__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;
+}
+
+static int
+__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;
+}
+
+/* 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 */
+static int
+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 {
+ ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n",
+ qdev_state(dev_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);
+}
+
+static int
+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;
+}
+
+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;
+ }
+
+ if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
+ 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;
+
+}
+
+/*
+* qla2x00_quiesce_io
+* 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
+qla2x00_quiesce_io(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *vp, *tvp;
+ unsigned long flags;
+
+ ql_dbg(ql_dbg_dpc, vha, 0x401d,
+ "Quiescing I/O - ha=%p.\n", ha);
+
+ atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
+ if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ qla2x00_mark_all_devices_lost(vha);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
+ atomic_inc(&vp->vref_count);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ qla2x00_mark_all_devices_lost(vp);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ atomic_dec(&vp->vref_count);
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+ } else {
+ if (!atomic_read(&vha->loop_down_timer))
+ atomic_set(&vha->loop_down_timer,
+ LOOP_DOWN_TIME);
+ }
+ /* Wait for pending cmds to complete */
+ WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
+ != QLA_SUCCESS);
+}
+
+void
+qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *vp, *tvp;
+ unsigned long flags;
+ fc_port_t *fcport;
+ u16 i;
+
+ /* For ISP82XX, driver waits for completion of the commands.
+ * online flag should be set.
+ */
+ if (!(IS_P3P_TYPE(ha)))
+ vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
+ clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ vha->qla_stats.total_isp_aborts++;
+
+ ql_log(ql_log_info, vha, 0x00af,
+ "Performing ISP error recovery - ha=%p.\n", ha);
+
+ ha->flags.purge_mbox = 1;
+ /* For ISP82XX, reset_chip is just disabling interrupts.
+ * Driver waits for the completion of the commands.
+ * the interrupts need to be enabled.
+ */
+ if (!(IS_P3P_TYPE(ha)))
+ ha->isp_ops->reset_chip(vha);
+
+ ha->link_data_rate = PORT_SPEED_UNKNOWN;
+ SAVE_TOPO(ha);
+ ha->flags.rida_fmt2 = 0;
+ ha->flags.n2n_ae = 0;
+ ha->flags.lip_ae = 0;
+ ha->current_topology = 0;
+ QLA_FW_STOPPED(ha);
+ ha->flags.fw_init_done = 0;
+ ha->chip_reset++;
+ ha->base_qpair->chip_reset = ha->chip_reset;
+ ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
+ ha->base_qpair->prev_completion_cnt = 0;
+ 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;
+ ha->queue_pair_map[i]->cmd_cnt =
+ ha->queue_pair_map[i]->cmd_completion_cnt = 0;
+ ha->base_qpair->prev_completion_cnt = 0;
+ }
+ }
+
+ /* purge MBox commands */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) {
+ clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+ complete(&ha->mbx_intr_comp);
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ i = 0;
+ while (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;
+
+ atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+ if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ qla2x00_mark_all_devices_lost(vha);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
+ atomic_inc(&vp->vref_count);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ qla2x00_mark_all_devices_lost(vp);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ atomic_dec(&vp->vref_count);
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+ } else {
+ if (!atomic_read(&vha->loop_down_timer))
+ atomic_set(&vha->loop_down_timer,
+ LOOP_DOWN_TIME);
+ }
+
+ /* Clear all async request states across all VPs. */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
+ fcport->scan_state = 0;
+ }
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry_safe(vp, tvp, &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);
+
+ /* Make sure for ISP 82XX IO DMA is complete */
+ if (IS_P3P_TYPE(ha)) {
+ qla82xx_chip_reset_cleanup(vha);
+ ql_log(ql_log_info, vha, 0x00b4,
+ "Done chip reset cleanup.\n");
+
+ /* Done waiting for pending commands. Reset online flag */
+ vha->flags.online = 0;
+ }
+
+ /* Requeue all commands in outstanding command list. */
+ qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+ /* memory barrier */
+ wmb();
+}
+
+/*
+* qla2x00_abort_isp
+* Resets ISP and aborts all outstanding commands.
+*
+* Input:
+* ha = adapter block pointer.
+*
+* Returns:
+* 0 = success
+*/
+int
+qla2x00_abort_isp(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint8_t status = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *vp, *tvp;
+ struct req_que *req = ha->req_q_map[0];
+ unsigned long flags;
+
+ if (vha->flags.online) {
+ qla2x00_abort_isp_cleanup(vha);
+
+ vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS;
+ vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
+
+ if (vha->hw->flags.port_isolated)
+ return status;
+
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x803f,
+ "ISP Abort - ISP reg disconnect, exiting.\n");
+ return status;
+ }
+
+ 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;
+ }
+
+ 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");
+ }
+
+ 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;
+ }
+
+ 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) &&
+ !qla_ini_mode_enabled(vha))
+ return 0;
+ break;
+ case QLA2XXX_INI_MODE_ENABLED:
+ default:
+ break;
+ }
+
+ ha->isp_ops->get_flash_version(vha, req->ring);
+
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x803f,
+ "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
+ return status;
+ }
+ ha->isp_ops->nvram_config(vha);
+
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x803f,
+ "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
+ return status;
+ }
+ if (!qla2x00_restart_isp(vha)) {
+ 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;
+ }
+
+ vha->flags.online = 1;
+
+ ha->isp_ops->enable_intrs(ha);
+
+ ha->isp_abort_cnt = 0;
+ clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+
+ if (IS_QLA81XX(ha) || IS_QLA8031(ha))
+ qla2x00_get_fw_version(vha);
+ 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) {
+ ql_log(ql_log_warn, vha, 0x8033,
+ "Unable to reinitialize FCE "
+ "(%d).\n", rval);
+ 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) {
+ ql_log(ql_log_warn, vha, 0x8034,
+ "Unable to reinitialize EFT "
+ "(%d).\n", rval);
+ }
+ }
+ } else { /* failed the ISP abort */
+ vha->flags.online = 1;
+ if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+ if (ha->isp_abort_cnt == 0) {
+ ql_log(ql_log_fatal, vha, 0x8035,
+ "ISP error recover failed - "
+ "board disabled.\n");
+ /*
+ * The next call disables the board
+ * completely.
+ */
+ qla2x00_abort_isp_cleanup(vha);
+ vha->flags.online = 0;
+ clear_bit(ISP_ABORT_RETRY,
+ &vha->dpc_flags);
+ status = 0;
+ } else { /* schedule another ISP abort */
+ ha->isp_abort_cnt--;
+ ql_dbg(ql_dbg_taskm, vha, 0x8020,
+ "ISP abort - retry remaining %d.\n",
+ ha->isp_abort_cnt);
+ status = 1;
+ }
+ } else {
+ ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
+ ql_dbg(ql_dbg_taskm, vha, 0x8021,
+ "ISP error recovery - retrying (%d) "
+ "more times.\n", ha->isp_abort_cnt);
+ set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+ status = 1;
+ }
+ }
+
+ }
+
+ if (vha->hw->flags.port_isolated) {
+ qla2x00_abort_isp_cleanup(vha);
+ return status;
+ }
+
+ if (!status) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
+ qla2x00_configure_hba(vha);
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
+ if (vp->vp_idx) {
+ atomic_inc(&vp->vref_count);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ qla2x00_vp_abort_isp(vp);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ atomic_dec(&vp->vref_count);
+ }
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ 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");
+ }
+ } else {
+ ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
+ __func__);
+ }
+
+ return(status);
+}
+
+/*
+* qla2x00_restart_isp
+* restarts the ISP after a reset
+*
+* Input:
+* ha = adapter block pointer.
+*
+* Returns:
+* 0 = success
+*/
+static int
+qla2x00_restart_isp(scsi_qla_host_t *vha)
+{
+ int status;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* If firmware needs to be loaded */
+ if (qla2x00_isp_firmware(vha)) {
+ vha->flags.online = 0;
+ status = ha->isp_ops->chip_diag(vha);
+ if (status)
+ return status;
+ status = qla2x00_setup_chip(vha);
+ if (status)
+ return status;
+ }
+
+ status = qla2x00_init_rings(vha);
+ if (status)
+ return status;
+
+ clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
+ ha->flags.chip_reset_done = 1;
+
+ /* Initialize the queues in use */
+ qla25xx_init_queues(ha);
+
+ status = qla2x00_fw_ready(vha);
+ if (status) {
+ /* if no cable then assume it's good */
+ return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
+ }
+
+ /* Issue a marker after FW becomes ready. */
+ qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+
+ return 0;
+}
+
+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;
+
+ for (i = 1; i < ha->max_rsp_queues; i++) {
+ rsp = ha->rsp_q_map[i];
+ if (rsp && test_bit(i, ha->rsp_qid_map)) {
+ rsp->options &= ~BIT_0;
+ ret = qla25xx_init_rsp_que(base_vha, rsp);
+ if (ret != QLA_SUCCESS)
+ ql_dbg(ql_dbg_init, base_vha, 0x00ff,
+ "%s Rsp que: %d init failed.\n",
+ __func__, rsp->id);
+ else
+ ql_dbg(ql_dbg_init, base_vha, 0x0100,
+ "%s Rsp que: %d inited.\n",
+ __func__, rsp->id);
+ }
+ }
+ for (i = 1; i < ha->max_req_queues; i++) {
+ req = ha->req_q_map[i];
+ if (req && test_bit(i, ha->req_qid_map)) {
+ /* Clear outstanding commands array. */
+ req->options &= ~BIT_0;
+ ret = qla25xx_init_req_que(base_vha, req);
+ if (ret != QLA_SUCCESS)
+ ql_dbg(ql_dbg_init, base_vha, 0x0101,
+ "%s Req que: %d init failed.\n",
+ __func__, req->id);
+ else
+ ql_dbg(ql_dbg_init, base_vha, 0x0102,
+ "%s Req que: %d inited.\n",
+ __func__, req->id);
+ }
+ }
+ return ret;
+}
+
+/*
+* qla2x00_reset_adapter
+* Reset adapter.
+*
+* Input:
+* ha = adapter block pointer.
+*/
+int
+qla2x00_reset_adapter(scsi_qla_host_t *vha)
+{
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+
+ vha->flags.online = 0;
+ ha->isp_ops->disable_intrs(ha);
+
+ 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);
+
+ return QLA_SUCCESS;
+}
+
+int
+qla24xx_reset_adapter(scsi_qla_host_t *vha)
+{
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+ if (IS_P3P_TYPE(ha))
+ return QLA_SUCCESS;
+
+ vha->flags.online = 0;
+ ha->isp_ops->disable_intrs(ha);
+
+ 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);
+
+ if (IS_NOPOLLING_TYPE(ha))
+ ha->isp_ops->enable_intrs(ha);
+
+ return QLA_SUCCESS;
+}
+
+/* On sparc systems, obtain port and node WWN from firmware
+ * properties.
+ */
+static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
+ struct nvram_24xx *nv)
+{
+#ifdef CONFIG_SPARC
+ struct qla_hw_data *ha = vha->hw;
+ struct pci_dev *pdev = ha->pdev;
+ struct device_node *dp = pci_device_to_OF_node(pdev);
+ const u8 *val;
+ 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
+}
+
+int
+qla24xx_nvram_config(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct init_cb_24xx *icb;
+ struct nvram_24xx *nv;
+ __le32 *dptr;
+ uint8_t *dptr1, *dptr2;
+ uint32_t chksum;
+ uint16_t cnt;
+ struct qla_hw_data *ha = vha->hw;
+
+ rval = QLA_SUCCESS;
+ icb = (struct init_cb_24xx *)ha->init_cb;
+ nv = ha->nvram;
+
+ /* Determine NVRAM starting address. */
+ if (ha->port_no == 0) {
+ ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
+ ha->vpd_base = FA_NVRAM_VPD0_ADDR;
+ } else {
+ ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
+ ha->vpd_base = FA_NVRAM_VPD1_ADDR;
+ }
+
+ ha->nvram_size = sizeof(*nv);
+ ha->vpd_size = FA_NVRAM_VPD_SIZE;
+
+ /* Get VPD data into cache */
+ ha->vpd = ha->nvram + VPD_OFFSET;
+ ha->isp_ops->read_nvram(vha, ha->vpd,
+ ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
+
+ /* Get NVRAM data into cache and calculate checksum. */
+ dptr = (__force __le32 *)nv;
+ ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
+ for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
+ chksum += le32_to_cpu(*dptr);
+
+ 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,
+ nv, ha->nvram_size);
+
+ /* Bad NVRAM data, set defaults parameters. */
+ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
+ le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
+ /* Reset NVRAM data. */
+ ql_log(ql_log_warn, vha, 0x006b,
+ "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));
+ ql_log(ql_log_warn, vha, 0x006c,
+ "Falling back to functioning (yet invalid -- WWPN) "
+ "defaults.\n");
+
+ /*
+ * Set default initialization control block.
+ */
+ memset(nv, 0, ha->nvram_size);
+ nv->nvram_version = cpu_to_le16(ICB_VERSION);
+ nv->version = cpu_to_le16(ICB_VERSION);
+ nv->frame_payload_size = cpu_to_le16(2048);
+ nv->execution_throttle = cpu_to_le16(0xFFFF);
+ nv->exchange_count = cpu_to_le16(0);
+ nv->hard_address = cpu_to_le16(124);
+ nv->port_name[0] = 0x21;
+ nv->port_name[1] = 0x00 + ha->port_no + 1;
+ 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;
+ qla24xx_nvram_wwn_from_ofw(vha, nv);
+ nv->login_retry_count = cpu_to_le16(8);
+ nv->interrupt_delay_timer = cpu_to_le16(0);
+ nv->login_timeout = cpu_to_le16(0);
+ nv->firmware_options_1 =
+ 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);
+ nv->reset_delay = 5;
+ 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);
+
+ rval = 1;
+ }
+
+ if (qla_tgt_mode_enabled(vha)) {
+ /* Don't enable full login after initial LIP */
+ nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
+ /* Don't enable LIP full login for initiator */
+ nv->host_p &= cpu_to_le32(~BIT_10);
+ }
+
+ qlt_24xx_config_nvram_stage1(vha, nv);
+
+ /* Reset Initialization control block */
+ memset(icb, 0, ha->init_cb_size);
+
+ /* 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;
+ icb->link_down_on_nos = nv->link_down_on_nos;
+
+ /* 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++;
+ ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
+ /*
+ * Setup driver NVRAM options.
+ */
+ qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
+ "QLA2462");
+
+ qlt_24xx_config_nvram_stage2(vha, icb);
+
+ if (nv->host_p & cpu_to_le32(BIT_15)) {
+ /* Use alternate WWN? */
+ memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
+ memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
+ }
+
+ /* Prepare nodename */
+ if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 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. */
+ ha->flags.disable_risc_code_load = 0;
+ ha->flags.enable_lip_reset = 0;
+ ha->flags.enable_lip_full_login =
+ le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
+ ha->flags.enable_target_reset =
+ le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
+ ha->flags.enable_led_scheme = 0;
+ ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
+
+ ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
+ (BIT_6 | BIT_5 | BIT_4)) >> 4;
+
+ 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];
+ memcpy(vha->node_name, icb->node_name, WWN_SIZE);
+ memcpy(vha->port_name, icb->port_name, WWN_SIZE);
+
+ icb->execution_throttle = cpu_to_le16(0xFFFF);
+
+ 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)
+ nv->login_timeout = cpu_to_le16(4);
+ 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:
+ *
+ * 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;
+
+ /* N2N: driver will initiate Login instead of FW */
+ icb->firmware_options_3 |= cpu_to_le32(BIT_8);
+
+ /* 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) ?
+ le16_to_cpu(icb->interrupt_delay_timer) : 2;
+ }
+ icb->firmware_options_2 &= cpu_to_le32(
+ ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
+ if (ha->zio_mode != QLA_ZIO_DISABLED) {
+ ha->zio_mode = QLA_ZIO_MODE_6;
+
+ ql_log(ql_log_info, vha, 0x006f,
+ "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);
+ }
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0070,
+ "NVRAM configuration failed.\n");
+ }
+ return (rval);
+}
+
+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)
+{
+ __le32 *p = (__force __le32 *)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);
+
+ active_regions->aux.nvme_params =
+ qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS);
+}
+
+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)
+{
+ struct qla_hw_data *ha = vha->hw;
+ 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, (uint32_t *)&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, (uint32_t *)&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;
+ }
+
+ 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, NVME=%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,
+ active_regions->aux.nvme_params);
+}
+
+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;
+
+ if (!ha->flt_region_img_status_pri) {
+ ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
+ goto check_sec_image;
+ }
+
+ if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
+ ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
+ QLA_SUCCESS) {
+ WARN_ON_ONCE(true);
+ goto check_sec_image;
+ }
+ qla27xx_print_image(vha, "Primary image", &pri_image_status);
+
+ if (qla27xx_check_image_status_signature(&pri_image_status)) {
+ ql_dbg(ql_dbg_init, vha, 0x018b,
+ "Primary image signature (%#x) not valid\n",
+ le32_to_cpu(pri_image_status.signature));
+ goto check_sec_image;
+ }
+
+ if (qla27xx_image_status_checksum(&pri_image_status)) {
+ ql_dbg(ql_dbg_init, vha, 0x018c,
+ "Primary image checksum failed\n");
+ goto check_sec_image;
+ }
+
+ valid_pri_image = true;
+
+ if (pri_image_status.image_status_mask & 1) {
+ ql_dbg(ql_dbg_init, vha, 0x018d,
+ "Primary image is active\n");
+ active_pri_image = true;
+ }
+
+check_sec_image:
+ if (!ha->flt_region_img_status_sec) {
+ ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
+ goto check_valid_image;
+ }
+
+ qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
+ ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
+ qla27xx_print_image(vha, "Secondary image", &sec_image_status);
+
+ if (qla27xx_check_image_status_signature(&sec_image_status)) {
+ ql_dbg(ql_dbg_init, vha, 0x018b,
+ "Secondary image signature (%#x) not valid\n",
+ le32_to_cpu(sec_image_status.signature));
+ goto check_valid_image;
+ }
+
+ 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;
+ }
+
+check_valid_image:
+ 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;
+ }
+ }
+
+ 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);
+}
+
+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]);
+}
+
+static int
+qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
+ uint32_t faddr)
+{
+ int rval;
+ uint templates, segments, fragment;
+ ulong i;
+ uint j;
+ ulong dlen;
+ uint32_t *dcode;
+ uint32_t risc_addr, risc_size, risc_attr = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct fwdt *fwdt = ha->fwdt;
+
+ ql_dbg(ql_dbg_init, vha, 0x008b,
+ "FW: Loading firmware from flash (%x).\n", faddr);
+
+ dcode = (uint32_t *)req->ring;
+ qla24xx_read_flash_data(vha, dcode, faddr, 8);
+ if (qla24xx_risc_firmware_invalid(dcode)) {
+ 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]);
+
+ return QLA_FUNCTION_FAILED;
+ }
+
+ dcode = (uint32_t *)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);
+ risc_addr = be32_to_cpu((__force __be32)dcode[2]);
+ risc_size = be32_to_cpu((__force __be32)dcode[3]);
+ if (!*srisc_addr) {
+ *srisc_addr = risc_addr;
+ risc_attr = be32_to_cpu((__force __be32)dcode[9]);
+ }
+
+ dlen = ha->fw_transfer_size >> 2;
+ for (fragment = 0; risc_size; fragment++) {
+ if (dlen > risc_size)
+ dlen = risc_size;
+
+ ql_dbg(ql_dbg_init, vha, 0x008e,
+ "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
+ fragment, risc_addr, faddr, dlen);
+ qla24xx_read_flash_data(vha, dcode, faddr, dlen);
+ for (i = 0; i < dlen; i++)
+ dcode[i] = swab32(dcode[i]);
+
+ rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
+ if (rval) {
+ ql_log(ql_log_fatal, vha, 0x008f,
+ "-> Failed load firmware fragment %u.\n",
+ fragment);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ faddr += dlen;
+ risc_addr += dlen;
+ risc_size -= dlen;
+ }
+ }
+
+ if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
+ return QLA_SUCCESS;
+
+ 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++) {
+ vfree(fwdt->template);
+ fwdt->template = NULL;
+ fwdt->length = 0;
+
+ dcode = (uint32_t *)req->ring;
+ qla24xx_read_flash_data(vha, dcode, faddr, 7);
+ risc_size = be32_to_cpu((__force __be32)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;
+ }
+
+ /* 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;
+ }
+
+ dcode = fwdt->template;
+ qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
+
+ if (!qla27xx_fwdt_template_valid(dcode)) {
+ ql_log(ql_log_warn, vha, 0x0165,
+ "-> fwdt%u failed template validate\n", j);
+ goto failed;
+ }
+
+ 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;
+ }
+
+ return QLA_SUCCESS;
+
+failed:
+ vfree(fwdt->template);
+ fwdt->template = NULL;
+ fwdt->length = 0;
+
+ return QLA_SUCCESS;
+}
+
+#define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
+
+int
+qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+ int rval;
+ int i, fragment;
+ uint16_t *wcode;
+ __be16 *fwcode;
+ uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
+ struct fw_blob *blob;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+
+ /* Load firmware blob. */
+ blob = qla2x00_request_firmware(vha);
+ if (!blob) {
+ ql_log(ql_log_info, vha, 0x0083,
+ "Firmware image unavailable.\n");
+ ql_log(ql_log_info, vha, 0x0084,
+ "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
+ return QLA_FUNCTION_FAILED;
+ }
+
+ rval = QLA_SUCCESS;
+
+ wcode = (uint16_t *)req->ring;
+ *srisc_addr = 0;
+ fwcode = (__force __be16 *)blob->fw->data;
+ fwclen = 0;
+
+ /* Validate firmware image by checking version. */
+ if (blob->fw->size < 8 * sizeof(uint16_t)) {
+ ql_log(ql_log_fatal, vha, 0x0085,
+ "Unable to verify integrity of firmware image (%zd).\n",
+ 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)) {
+ 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]);
+ 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) {
+ ql_log(ql_log_fatal, vha, 0x0088,
+ "Unable to verify integrity of firmware image "
+ "(%zd).\n", blob->fw->size);
+ 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;
+ ql_dbg(ql_dbg_init, vha, 0x0089,
+ "Loading risc segment@ risc addr %x number of "
+ "words 0x%x.\n", risc_addr, wlen);
+
+ for (i = 0; i < wlen; i++)
+ wcode[i] = swab16((__force u32)fwcode[i]);
+
+ rval = qla2x00_load_ram(vha, req->dma, risc_addr,
+ wlen);
+ if (rval) {
+ ql_log(ql_log_fatal, vha, 0x008a,
+ "Failed to load segment %d of firmware.\n",
+ fragment);
+ break;
+ }
+
+ fwcode += wlen;
+ risc_addr += wlen;
+ risc_size -= wlen;
+ fragment++;
+ }
+
+ /* Next segment. */
+ seg++;
+ }
+ return rval;
+
+fail_fw_integrity:
+ return QLA_FUNCTION_FAILED;
+}
+
+static int
+qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+ int rval;
+ uint templates, segments, fragment;
+ uint32_t *dcode;
+ ulong dlen;
+ uint32_t risc_addr, risc_size, risc_attr = 0;
+ ulong i;
+ uint j;
+ struct fw_blob *blob;
+ __be32 *fwcode;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct fwdt *fwdt = ha->fwdt;
+
+ ql_dbg(ql_dbg_init, vha, 0x0090,
+ "-> FW: Loading via request-firmware.\n");
+
+ blob = qla2x00_request_firmware(vha);
+ if (!blob) {
+ ql_log(ql_log_warn, vha, 0x0092,
+ "-> Firmware file not found.\n");
+
+ return QLA_FUNCTION_FAILED;
+ }
+
+ fwcode = (__force __be32 *)blob->fw->data;
+ dcode = (__force uint32_t *)fwcode;
+ if (qla24xx_risc_firmware_invalid(dcode)) {
+ ql_log(ql_log_fatal, vha, 0x0093,
+ "Unable to verify integrity of firmware image (%zd).\n",
+ blob->fw->size);
+ ql_log(ql_log_fatal, vha, 0x0095,
+ "Firmware data: %08x %08x %08x %08x.\n",
+ dcode[0], dcode[1], dcode[2], dcode[3]);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ dcode = (uint32_t *)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);
+ risc_addr = be32_to_cpu(fwcode[2]);
+ risc_size = be32_to_cpu(fwcode[3]);
+
+ if (!*srisc_addr) {
+ *srisc_addr = risc_addr;
+ risc_attr = be32_to_cpu(fwcode[9]);
+ }
+
+ dlen = ha->fw_transfer_size >> 2;
+ for (fragment = 0; risc_size; fragment++) {
+ if (dlen > risc_size)
+ dlen = risc_size;
+
+ ql_dbg(ql_dbg_init, vha, 0x0097,
+ "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
+ fragment, risc_addr,
+ (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
+ dlen);
+
+ for (i = 0; i < dlen; i++)
+ dcode[i] = swab32((__force u32)fwcode[i]);
+
+ rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
+ if (rval) {
+ ql_log(ql_log_fatal, vha, 0x0098,
+ "-> Failed load firmware fragment %u.\n",
+ fragment);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ fwcode += dlen;
+ risc_addr += dlen;
+ risc_size -= dlen;
+ }
+ }
+
+ if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
+ return QLA_SUCCESS;
+
+ 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++) {
+ 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;
+ }
+
+ /* 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;
+ }
+
+ dcode = fwdt->template;
+ for (i = 0; i < risc_size; i++)
+ dcode[i] = (__force u32)fwcode[i];
+
+ if (!qla27xx_fwdt_template_valid(dcode)) {
+ ql_log(ql_log_warn, vha, 0x0175,
+ "-> fwdt%u failed template validate\n", j);
+ goto failed;
+ }
+
+ 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;
+ }
+
+ return QLA_SUCCESS;
+
+failed:
+ vfree(fwdt->template);
+ fwdt->template = NULL;
+ fwdt->length = 0;
+
+ return QLA_SUCCESS;
+}
+
+int
+qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+ int rval;
+
+ if (ql2xfwloadbin == 1)
+ return qla81xx_load_risc(vha, srisc_addr);
+
+ /*
+ * 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;
+
+ return qla24xx_load_risc_flash(vha, srisc_addr,
+ vha->hw->flt_region_fw);
+}
+
+int
+qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+ struct active_regions active_regions = { };
+
+ if (ql2xfwloadbin == 2)
+ goto try_blob_fw;
+
+ /* FW Load priority:
+ * 1) Firmware residing in flash.
+ * 2) Firmware via request-firmware interface (.bin file).
+ * 3) Golden-Firmware residing in flash -- (limited operation).
+ */
+
+ if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
+ goto try_primary_fw;
+
+ qla27xx_get_active_image(vha, &active_regions);
+
+ if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
+ 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");
+ rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
+ if (!rval)
+ return rval;
+
+try_blob_fw:
+ rval = qla24xx_load_risc_blob(vha, srisc_addr);
+ if (!rval || !ha->flt_region_gold_fw)
+ return rval;
+
+ ql_log(ql_log_info, vha, 0x0099,
+ "Attempting to fallback to golden firmware.\n");
+ rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
+ if (rval)
+ return rval;
+
+ ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
+ ha->flags.running_gold_fw = 1;
+ return rval;
+}
+
+void
+qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
+{
+ int ret, retries;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->flags.pci_channel_io_perm_failure)
+ return;
+ if (!IS_FWI2_CAPABLE(ha))
+ return;
+ if (!ha->fw_major_version)
+ return;
+ if (!ha->flags.fw_started)
+ return;
+
+ ret = qla2x00_stop_firmware(vha);
+ for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
+ ret != QLA_INVALID_COMMAND && retries ; retries--) {
+ ha->isp_ops->reset_chip(vha);
+ if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
+ continue;
+ if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
+ continue;
+ ql_log(ql_log_info, vha, 0x8015,
+ "Attempting retry of stop-firmware command.\n");
+ ret = qla2x00_stop_firmware(vha);
+ }
+
+ QLA_FW_STOPPED(ha);
+ ha->flags.fw_init_done = 0;
+}
+
+int
+qla24xx_configure_vhba(scsi_qla_host_t *vha)
+{
+ int rval = QLA_SUCCESS;
+ int rval2;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
+
+ if (!vha->vp_idx)
+ return -EINVAL;
+
+ rval = qla2x00_fw_ready(base_vha);
+
+ if (rval == QLA_SUCCESS) {
+ clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
+ qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
+ }
+
+ vha->flags.management_server_logged_in = 0;
+
+ /* Login to SNS first */
+ 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]);
+ return (QLA_FUNCTION_FAILED);
+ }
+
+ 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);
+
+ return rval;
+}
+
+/* 84XX Support **************************************************************/
+
+static LIST_HEAD(qla_cs84xx_list);
+static DEFINE_MUTEX(qla_cs84xx_mutex);
+
+static struct qla_chip_state_84xx *
+qla84xx_get_chip(struct scsi_qla_host *vha)
+{
+ struct qla_chip_state_84xx *cs84xx;
+ struct qla_hw_data *ha = vha->hw;
+
+ 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
+qla84xx_put_chip(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->cs84xx)
+ kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
+}
+
+static int
+qla84xx_init_chip(scsi_qla_host_t *vha)
+{
+ int rval;
+ uint16_t status[2];
+ struct qla_hw_data *ha = vha->hw;
+
+ mutex_lock(&ha->cs84xx->fw_update_mutex);
+
+ rval = qla84xx_verify_chip(vha, status);
+
+ mutex_unlock(&ha->cs84xx->fw_update_mutex);
+
+ return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
+ QLA_SUCCESS;
+}
+
+/* 81XX Support **************************************************************/
+
+int
+qla81xx_nvram_config(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct init_cb_81xx *icb;
+ struct nvram_81xx *nv;
+ __le32 *dptr;
+ uint8_t *dptr1, *dptr2;
+ uint32_t chksum;
+ uint16_t cnt;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t faddr;
+ struct active_regions active_regions = { };
+
+ rval = QLA_SUCCESS;
+ icb = (struct init_cb_81xx *)ha->init_cb;
+ nv = ha->nvram;
+
+ /* Determine NVRAM starting address. */
+ ha->nvram_size = sizeof(*nv);
+ ha->vpd_size = FA_NVRAM_VPD_SIZE;
+ if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
+ ha->vpd_size = FA_VPD_SIZE_82XX;
+
+ if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
+ qla28xx_get_aux_images(vha, &active_regions);
+
+ /* Get VPD data into cache */
+ ha->vpd = ha->nvram + VPD_OFFSET;
+
+ 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");
+ }
+ ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
+
+ /* Get NVRAM data into cache and calculate checksum. */
+ 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");
+ ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
+
+ dptr = (__force __le32 *)nv;
+ for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
+ chksum += le32_to_cpu(*dptr);
+
+ 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,
+ nv, ha->nvram_size);
+
+ /* Bad NVRAM data, set defaults parameters. */
+ if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
+ le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
+ /* Reset NVRAM data. */
+ ql_log(ql_log_info, vha, 0x0073,
+ "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));
+ ql_log(ql_log_info, vha, 0x0074,
+ "Falling back to functioning (yet invalid -- WWPN) "
+ "defaults.\n");
+
+ /*
+ * Set default initialization control block.
+ */
+ memset(nv, 0, ha->nvram_size);
+ nv->nvram_version = cpu_to_le16(ICB_VERSION);
+ nv->version = cpu_to_le16(ICB_VERSION);
+ nv->frame_payload_size = cpu_to_le16(2048);
+ nv->execution_throttle = cpu_to_le16(0xFFFF);
+ nv->exchange_count = cpu_to_le16(0);
+ nv->port_name[0] = 0x21;
+ nv->port_name[1] = 0x00 + ha->port_no + 1;
+ 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;
+ nv->login_retry_count = cpu_to_le16(8);
+ nv->interrupt_delay_timer = cpu_to_le16(0);
+ nv->login_timeout = cpu_to_le16(0);
+ nv->firmware_options_1 =
+ 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);
+ nv->reset_delay = 5;
+ 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);
+ nv->enode_mac[0] = 0x00;
+ nv->enode_mac[1] = 0xC0;
+ nv->enode_mac[2] = 0xDD;
+ nv->enode_mac[3] = 0x04;
+ nv->enode_mac[4] = 0x05;
+ nv->enode_mac[5] = 0x06 + ha->port_no + 1;
+
+ rval = 1;
+ }
+
+ if (IS_T10_PI_CAPABLE(ha))
+ nv->frame_payload_size &= cpu_to_le16(~7);
+
+ qlt_81xx_config_nvram_stage1(vha, nv);
+
+ /* Reset Initialization control block */
+ memset(icb, 0, ha->init_cb_size);
+
+ /* 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))) {
+ icb->enode_mac[0] = 0x00;
+ icb->enode_mac[1] = 0xC0;
+ icb->enode_mac[2] = 0xDD;
+ icb->enode_mac[3] = 0x04;
+ icb->enode_mac[4] = 0x05;
+ icb->enode_mac[5] = 0x06 + ha->port_no + 1;
+ }
+
+ /* Use extended-initialization control block. */
+ memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
+ ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
+ /*
+ * Setup driver NVRAM options.
+ */
+ qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
+ "QLE8XXX");
+
+ qlt_81xx_config_nvram_stage2(vha, icb);
+
+ /* Use alternate WWN? */
+ if (nv->host_p & cpu_to_le32(BIT_15)) {
+ memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
+ memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
+ }
+
+ /* Prepare nodename */
+ if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 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;
+ }
+
+ if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
+ if ((nv->enhanced_features & BIT_7) == 0)
+ ha->flags.scm_supported_a = 1;
+ }
+
+ /* Set host adapter parameters. */
+ ha->flags.disable_risc_code_load = 0;
+ ha->flags.enable_lip_reset = 0;
+ ha->flags.enable_lip_full_login =
+ le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
+ ha->flags.enable_target_reset =
+ le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
+ ha->flags.enable_led_scheme = 0;
+ ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
+
+ 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);
+
+ icb->execution_throttle = cpu_to_le16(0xFFFF);
+
+ 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)
+ nv->login_timeout = cpu_to_le16(4);
+ 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:
+ *
+ * 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;
+
+ /* if not running MSI-X we need handshaking on interrupts */
+ if (!vha->hw->flags.msix_enabled &&
+ (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
+ icb->firmware_options_2 |= cpu_to_le32(BIT_22);
+
+ /* 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) ?
+ le16_to_cpu(icb->interrupt_delay_timer) : 2;
+ }
+ icb->firmware_options_2 &= cpu_to_le32(
+ ~(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;
+
+ ql_log(ql_log_info, vha, 0x0075,
+ "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);
+ vha->flags.process_response_queue = 1;
+ }
+
+ /* enable RIDA Format2 */
+ icb->firmware_options_3 |= cpu_to_le32(BIT_0);
+
+ /* N2N: driver will initiate Login instead of FW */
+ icb->firmware_options_3 |= cpu_to_le32(BIT_8);
+
+ /* Determine NVMe/FCP priority for target ports */
+ ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0076,
+ "NVRAM configuration failed.\n");
+ }
+ return (rval);
+}
+
+int
+qla82xx_restart_isp(scsi_qla_host_t *vha)
+{
+ int status, rval;
+ struct qla_hw_data *ha = vha->hw;
+ struct scsi_qla_host *vp, *tvp;
+ unsigned long flags;
+
+ 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. */
+ qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
+ vha->flags.online = 1;
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ }
+
+ /* 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);
+
+ /* Update the firmware version */
+ status = qla82xx_check_md_needed(vha);
+
+ 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) {
+ ql_log(ql_log_warn, vha, 0x8001,
+ "Unable to reinitialize FCE (%d).\n",
+ rval);
+ 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) {
+ ql_log(ql_log_warn, vha, 0x8010,
+ "Unable to reinitialize EFT (%d).\n",
+ rval);
+ }
+ }
+ }
+
+ if (!status) {
+ ql_dbg(ql_dbg_taskm, vha, 0x8011,
+ "qla82xx_restart_isp succeeded.\n");
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
+ if (vp->vp_idx) {
+ atomic_inc(&vp->vref_count);
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ qla2x00_vp_abort_isp(vp);
+
+ spin_lock_irqsave(&ha->vport_slock, flags);
+ atomic_dec(&vp->vref_count);
+ }
+ }
+ spin_unlock_irqrestore(&ha->vport_slock, flags);
+
+ } else {
+ ql_log(ql_log_warn, vha, 0x8016,
+ "qla82xx_restart_isp **** FAILED ****.\n");
+ }
+
+ return status;
+}
+
+/*
+ * 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:
+ * vha = scsi host structure pointer.
+ * fcport = port structure pointer.
+ *
+ * Return:
+ * non-zero (if found)
+ * -1 (if not found)
+ *
+ * Context:
+ * Kernel context
+ */
+static int
+qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ int i, entries;
+ uint8_t pid_match, wwn_match;
+ int priority;
+ 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)
+ return -1;
+
+ priority = -1;
+ 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:
+ * vha = scsi host structure pointer.
+ * fcp = port structure pointer.
+ *
+ * Return:
+ * QLA_SUCCESS or QLA_FUNCTION_FAILED
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
+{
+ int ret;
+ int priority;
+ uint16_t mb[5];
+
+ if (fcport->port_type != FCT_TARGET ||
+ fcport->loop_id == FC_NO_LOOP_ID)
+ return QLA_FUNCTION_FAILED;
+
+ priority = qla24xx_get_fcp_prio(vha, fcport);
+ if (priority < 0)
+ return QLA_FUNCTION_FAILED;
+
+ if (IS_P3P_TYPE(vha->hw)) {
+ fcport->fcp_prio = priority & 0xf;
+ return QLA_SUCCESS;
+ }
+
+ ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
+ 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);
+ fcport->fcp_prio = priority & 0xf;
+ } else
+ ql_dbg(ql_dbg_user, vha, 0x704f,
+ "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);
+ 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;
+}
+
+struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
+ int vp_idx, bool startqp)
+{
+ 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;
+ }
+
+ if (ql2xmqsupport || ql2xnvmeenable) {
+ 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;
+ qpair->vha = vha;
+ qpair->qp_lock_ptr = &qpair->qp_lock;
+ spin_lock_init(&qpair->qp_lock);
+ qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
+
+ /* Assign available que pair id */
+ mutex_lock(&ha->mq_lock);
+ qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
+ if (ha->num_qpairs >= ha->max_qpairs) {
+ mutex_unlock(&ha->mq_lock);
+ ql_log(ql_log_warn, vha, 0x0183,
+ "No resources to create additional q pair.\n");
+ goto fail_qid_map;
+ }
+ ha->num_qpairs++;
+ set_bit(qpair_id, ha->qpair_qid_map);
+ ha->queue_pair_map[qpair_id] = qpair;
+ qpair->id = qpair_id;
+ qpair->vp_idx = vp_idx;
+ qpair->fw_started = ha->flags.fw_started;
+ INIT_LIST_HEAD(&qpair->hints_list);
+ 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;
+
+ for (i = 0; i < ha->msix_count; i++) {
+ msix = &ha->msix_entries[i];
+ if (msix->in_use)
+ continue;
+ qpair->msix = msix;
+ ql_dbg(ql_dbg_multiq, vha, 0xc00f,
+ "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);
+ qpair->pdev = ha->pdev;
+ if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
+ qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
+
+ mutex_unlock(&ha->mq_lock);
+
+ /* Create response queue first */
+ rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
+ 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 */
+ req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
+ startqp);
+ 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;
+ qpair->rsp->qpair = qpair;
+
+ if (!qpair->cpu_mapped)
+ qla_cpu_update(qpair, raw_smp_processor_id());
+
+ 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) {
+ ql_log(ql_log_warn, vha, 0xd036,
+ "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);
+ ha->num_qpairs--;
+ 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)
+{
+ int ret = QLA_FUNCTION_FAILED;
+ 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;
+
+ 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);
+ ha->num_qpairs--;
+ list_del(&qpair->qp_list_elem);
+ if (list_empty(&vha->qp_list)) {
+ vha->flags.qpairs_available = 0;
+ vha->flags.qpairs_req_created = 0;
+ vha->flags.qpairs_rsp_created = 0;
+ }
+ mempool_destroy(qpair->srb_mempool);
+ kfree(qpair);
+ mutex_unlock(&ha->mq_lock);
+
+ return QLA_SUCCESS;
+fail:
+ return ret;
+}
+
+uint64_t
+qla2x00_count_set_bits(uint32_t num)
+{
+ /* Brian Kernighan's Algorithm */
+ u64 count = 0;
+
+ while (num) {
+ num &= (num - 1);
+ count++;
+ }
+ return count;
+}
+
+uint64_t
+qla2x00_get_num_tgts(scsi_qla_host_t *vha)
+{
+ fc_port_t *f, *tf;
+ u64 count = 0;
+
+ f = NULL;
+ tf = NULL;
+
+ list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
+ if (f->port_type != FCT_TARGET)
+ continue;
+ count++;
+ }
+ return count;
+}
+
+int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
+{
+ scsi_qla_host_t *vha = shost_priv(host);
+ fc_port_t *fcport = NULL;
+ unsigned long int_flags;
+
+ if (flags & QLA2XX_HW_ERROR)
+ vha->hw_err_cnt = 0;
+ if (flags & QLA2XX_SHT_LNK_DWN)
+ vha->short_link_down_cnt = 0;
+ if (flags & QLA2XX_INT_ERR)
+ vha->interface_err_cnt = 0;
+ if (flags & QLA2XX_CMD_TIMEOUT)
+ vha->cmd_timeout_cnt = 0;
+ if (flags & QLA2XX_RESET_CMD_ERR)
+ vha->reset_cmd_err_cnt = 0;
+ if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ fcport->tgt_short_link_down_cnt = 0;
+ fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
+ }
+ vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
+ return 0;
+}
+
+int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
+{
+ return qla2xxx_reset_stats(host, flags);
+}
+
+int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
+{
+ return qla2xxx_reset_stats(host, flags);
+}
+
+int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
+ void *data, u64 size)
+{
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
+ struct ql_vnd_stats *rsp_data = &resp->stats;
+ u64 ini_entry_count = 0;
+ u64 i = 0;
+ u64 entry_count = 0;
+ u64 num_tgt = 0;
+ u32 tmp_stat_type = 0;
+ fc_port_t *fcport = NULL;
+ unsigned long int_flags;
+
+ /* Copy stat type to work on it */
+ tmp_stat_type = flags;
+
+ if (tmp_stat_type & BIT_17) {
+ num_tgt = qla2x00_get_num_tgts(vha);
+ /* unset BIT_17 */
+ tmp_stat_type &= ~(1 << 17);
+ }
+ ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
+
+ entry_count = ini_entry_count + num_tgt;
+
+ rsp_data->entry_count = entry_count;
+
+ i = 0;
+ if (flags & QLA2XX_HW_ERROR) {
+ rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
+ rsp_data->entry[i].tgt_num = 0x0;
+ rsp_data->entry[i].cnt = vha->hw_err_cnt;
+ i++;
+ }
+
+ if (flags & QLA2XX_SHT_LNK_DWN) {
+ rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
+ rsp_data->entry[i].tgt_num = 0x0;
+ rsp_data->entry[i].cnt = vha->short_link_down_cnt;
+ i++;
+ }
+
+ if (flags & QLA2XX_INT_ERR) {
+ rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
+ rsp_data->entry[i].tgt_num = 0x0;
+ rsp_data->entry[i].cnt = vha->interface_err_cnt;
+ i++;
+ }
+
+ if (flags & QLA2XX_CMD_TIMEOUT) {
+ rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
+ rsp_data->entry[i].tgt_num = 0x0;
+ rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
+ i++;
+ }
+
+ if (flags & QLA2XX_RESET_CMD_ERR) {
+ rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
+ rsp_data->entry[i].tgt_num = 0x0;
+ rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
+ i++;
+ }
+
+ /* i will continue from previous loop, as target
+ * entries are after initiator
+ */
+ if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
+ spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->port_type != FCT_TARGET)
+ continue;
+ if (!fcport->rport)
+ continue;
+ rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
+ rsp_data->entry[i].tgt_num = fcport->rport->number;
+ rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
+ i++;
+ }
+ spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
+ }
+ resp->status = EXT_STATUS_OK;
+
+ return 0;
+}
+
+int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
+ struct fc_rport *rport, void *data, u64 size)
+{
+ struct ql_vnd_tgt_stats_resp *tgt_data = data;
+ fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
+
+ tgt_data->status = 0;
+ tgt_data->stats.entry_count = 1;
+ tgt_data->stats.entry[0].stat_type = flags;
+ tgt_data->stats.entry[0].tgt_num = rport->number;
+ tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
+
+ return 0;
+}
+
+int qla2xxx_disable_port(struct Scsi_Host *host)
+{
+ scsi_qla_host_t *vha = shost_priv(host);
+
+ vha->hw->flags.port_isolated = 1;
+
+ if (qla2x00_isp_reg_stat(vha->hw)) {
+ ql_log(ql_log_info, vha, 0x9006,
+ "PCI/Register disconnect, exiting.\n");
+ qla_pci_set_eeh_busy(vha);
+ return FAILED;
+ }
+ if (qla2x00_chip_is_down(vha))
+ return 0;
+
+ if (vha->flags.online) {
+ qla2x00_abort_isp_cleanup(vha);
+ qla2x00_wait_for_sess_deletion(vha);
+ }
+
+ return 0;
+}
+
+int qla2xxx_enable_port(struct Scsi_Host *host)
+{
+ scsi_qla_host_t *vha = shost_priv(host);
+
+ if (qla2x00_isp_reg_stat(vha->hw)) {
+ ql_log(ql_log_info, vha, 0x9001,
+ "PCI/Register disconnect, exiting.\n");
+ qla_pci_set_eeh_busy(vha);
+ return FAILED;
+ }
+
+ vha->hw->flags.port_isolated = 0;
+ /* Set the flag to 1, so that isp_abort can proceed */
+ vha->flags.online = 1;
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+
+ return 0;
+}