mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2024-11-21 19:46:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
master
linux/drivers/scsi/qla2xxx/qla_init.c
Chen Ni 6ca9fede7c scsi: qla2xxx: Convert comma to semicolon 
Replace a comma between expression statements by a semicolon.

Fixes: d4523bd6fd ("scsi: qla2xxx: Refactor asynchronous command initialization")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20240711005724.2358446-1-nichen@iscas.ac.cn
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-07-10 22:47:12 -04:00

10080 lines
265 KiB
C
Raw Permalink Blame History

// 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;
/*
* async login failed. Could be due to iocb/exchange resource
* being low. Set state DELETED for re-login process to start again.
*/
qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
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:
/*
* use qla24xx_async_gnl_sp_done to purge all pending gnl request.
* kref_put is call behind the scene.
*/
sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR;
qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR);
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];
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:
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 (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);
}
static void qla_rscn_gen_tick(scsi_qla_host_t *vha, u32 *ret_rscn_gen)
{
*ret_rscn_gen = atomic_inc_return(&vha->rscn_gen);
/* memory barrier */
wmb();
}
void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
{
fc_port_t *fcport;
unsigned long flags;
u32 rscn_gen;
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;
qla_rscn_gen_tick(vha, &fcport->rscn_gen);
}
} else {
fcport->scan_needed = 1;
qla_rscn_gen_tick(vha, &fcport->rscn_gen);
}
}
break;
case RSCN_AREA_ADDR:
qla_rscn_gen_tick(vha, &rscn_gen);
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 = rscn_gen;
}
}
break;
case RSCN_DOM_ADDR:
qla_rscn_gen_tick(vha, &rscn_gen);
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 = rscn_gen;
}
}
break;
case RSCN_FAB_ADDR:
default:
qla_rscn_gen_tick(vha, &rscn_gen);
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 = 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;
vha->scan.rscn_gen_start = atomic_read(&vha->rscn_gen);
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.\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;
}
static void qla_enable_fce_trace(scsi_qla_host_t *vha)
{
int rval;
struct qla_hw_data *ha = vha->hw;
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;
}
}
}
static void qla_enable_eft_trace(scsi_qla_host_t *vha)
{
int rval;
struct qla_hw_data *ha = vha->hw;
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);
}
}
}
/*
* 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_alloc_fce_trace(scsi_qla_host_t *vha)
{
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;
}
ql_dbg(ql_dbg_init, vha, 0x00c0,
"Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
ha->fce_dma = tc_dma;
ha->fce = tc;
ha->fce_bufs = FCE_NUM_BUFFERS;
}
static void
qla2x00_alloc_eft_trace(scsi_qla_host_t *vha)
{
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;
}
ql_dbg(ql_dbg_init, vha, 0x00c3,
"Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
ha->eft_dma = tc_dma;
ha->eft = tc;
}
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_alloc_fce_trace(vha);
if (ha->fce)
fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
qla2x00_alloc_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;
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:
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 (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
qla2x00_alloc_fw_dump(vha);
qla_enable_fce_trace(vha);
qla_enable_eft_trace(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)
qla_update_host_map(vha, id);
} else if (!(topo == 2 && ha->flags.n2n_bigger))
qla_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)
strscpy(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) {
strscpy(ha->model_number,
qla2x00_model_name[index * 2],
sizeof(ha->model_number));
strscpy(ha->model_desc,
qla2x00_model_name[index * 2 + 1],
sizeof(ha->model_desc));
} else {
strscpy(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);
}
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->unsol_ctx_head);
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;
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);
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;
}
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;
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)) {
/* start of scan begins here */
vha->scan.rscn_gen_end = atomic_read(&vha->rscn_gen);
qla_fab_scan_start(vha);
} 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;
}
/* 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)
{
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;
fc_port_t *fcport;
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;
}
/* User may have updated [fcp|nvme] prefer in flash */
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (NVME_PRIORITY(ha, fcport))
fcport->do_prli_nvme = 1;
else
fcport->do_prli_nvme = 0;
}
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);
} 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);
/* User may have updated [fcp|nvme] prefer in flash */
list_for_each_entry(fcport, &vp->vp_fcports, list) {
if (NVME_PRIORITY(ha, fcport))
fcport->do_prli_nvme = 1;
else
fcport->do_prli_nvme = 0;
}
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;
int rc;
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;
}
rc = qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
ha->flt_region_aux_img_status_pri,
sizeof(pri_aux_image_status) >> 2);
if (rc) {
ql_log(ql_log_info, vha, 0x01a1,
"Unable to read Primary aux image(%x).\n", rc);
goto check_sec_image;
}
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;
}
rc = qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
ha->flt_region_aux_img_status_sec,
sizeof(sec_aux_image_status) >> 2);
if (rc) {
ql_log(ql_log_info, vha, 0x01a2,
"Unable to read Secondary aux image(%x).\n", rc);
goto check_valid_image;
}
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;
int rc;
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;
}
rc = qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
if (rc) {
ql_log(ql_log_info, vha, 0x01a3,
"Unable to read Secondary image status(%x).\n", rc);
goto check_valid_image;
}
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;
rval = qla24xx_read_flash_data(vha, dcode, faddr, 8);
if (rval || qla24xx_risc_firmware_invalid(dcode)) {
ql_log(ql_log_fatal, vha, 0x008c,
"Unable to verify the integrity of flash firmware image (rval %x).\n", rval);
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);
rval = qla24xx_read_flash_data(vha, dcode, faddr, 10);
if (rval) {
ql_log(ql_log_fatal, vha, 0x016a,
"-> Unable to read segment addr + size .\n");
return QLA_FUNCTION_FAILED;
}
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);
rval = qla24xx_read_flash_data(vha, dcode, faddr, dlen);
if (rval) {
ql_log(ql_log_fatal, vha, 0x016b,
"-> Unable to read fragment(faddr %#x dlen %#lx).\n",
faddr, dlen);
return QLA_FUNCTION_FAILED;
}
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;
rval = qla24xx_read_flash_data(vha, dcode, faddr, 7);
if (rval) {
ql_log(ql_log_fatal, vha, 0x016c,
"-> Unable to read template size.\n");
goto failed;
}
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_array(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;
rval = qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
if (rval || !qla27xx_fwdt_template_valid(dcode)) {
ql_log(ql_log_warn, vha, 0x0165,
"-> fwdt%u failed template validate (rval %x)\n",
j, rval);
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_array(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);
INIT_LIST_HEAD(&qpair->dsd_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;
}
if (qla_create_buf_pool(vha, qpair)) {
ql_log(ql_log_warn, vha, 0xd036,
"Failed to initialize buf pool for qpair %d\n",
qpair->id);
goto fail_bufpool;
}
/* 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_bufpool:
mempool_destroy(qpair->srb_mempool);
fail_mempool:
qla25xx_delete_req_que(vha, qpair->req);
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;
qla_free_buf_pool(qpair);
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;
if (!list_empty(&qpair->dsd_list)) {
struct dsd_dma *dsd_ptr, *tdsd_ptr;
/* clean up allocated prev pool */
list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
&qpair->dsd_list, list) {
dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
dsd_ptr->dsd_list_dma);
list_del(&dsd_ptr->list);
kfree(dsd_ptr);
}
}
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;
}
Reference in New Issue View Git Blame Copy Permalink