3493 lines
97 KiB
C
3493 lines
97 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2009-2020 Alexander Motin <mav@FreeBSD.org>
|
|
* Copyright (c) 1997-2009 by Matthew Jacob
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice immediately at the beginning of the file, without modification,
|
|
* this list of conditions, and the following disclaimer.
|
|
* 2. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
#include <dev/isp/isp_freebsd.h>
|
|
#include <sys/unistd.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/module.h>
|
|
#include <sys/ioccom.h>
|
|
#include <dev/isp/isp_ioctl.h>
|
|
#include <sys/devicestat.h>
|
|
#include <cam/cam_periph.h>
|
|
#include <cam/cam_xpt_periph.h>
|
|
|
|
MODULE_VERSION(isp, 1);
|
|
MODULE_DEPEND(isp, cam, 1, 1, 1);
|
|
int isp_announced = 0;
|
|
int isp_loop_down_limit = 60; /* default loop down limit */
|
|
int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */
|
|
int isp_gone_device_time = 30; /* grace time before reporting device lost */
|
|
static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
|
|
|
|
static void isp_freeze_loopdown(ispsoftc_t *, int);
|
|
static void isp_loop_changed(ispsoftc_t *isp, int chan);
|
|
static void isp_rq_check_above(ispsoftc_t *);
|
|
static void isp_rq_check_below(ispsoftc_t *);
|
|
static d_ioctl_t ispioctl;
|
|
static void isp_poll(struct cam_sim *);
|
|
static callout_func_t isp_watchdog;
|
|
static callout_func_t isp_gdt;
|
|
static task_fn_t isp_gdt_task;
|
|
static void isp_kthread(void *);
|
|
static void isp_action(struct cam_sim *, union ccb *);
|
|
static int isp_timer_count;
|
|
static void isp_timer(void *);
|
|
|
|
static struct cdevsw isp_cdevsw = {
|
|
.d_version = D_VERSION,
|
|
.d_ioctl = ispioctl,
|
|
.d_name = "isp",
|
|
};
|
|
|
|
static int
|
|
isp_role_sysctl(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
ispsoftc_t *isp = (ispsoftc_t *)arg1;
|
|
int chan = arg2;
|
|
int error, old, value;
|
|
|
|
value = FCPARAM(isp, chan)->role;
|
|
|
|
error = sysctl_handle_int(oidp, &value, 0, req);
|
|
if ((error != 0) || (req->newptr == NULL))
|
|
return (error);
|
|
|
|
if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
|
|
return (EINVAL);
|
|
|
|
ISP_LOCK(isp);
|
|
old = FCPARAM(isp, chan)->role;
|
|
|
|
/* We don't allow target mode switch from here. */
|
|
value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
|
|
|
|
/* If nothing has changed -- we are done. */
|
|
if (value == old) {
|
|
ISP_UNLOCK(isp);
|
|
return (0);
|
|
}
|
|
|
|
/* Actually change the role. */
|
|
error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
|
|
ISP_UNLOCK(isp);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
|
|
{
|
|
fcparam *fcp = FCPARAM(isp, chan);
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
|
|
char name[16];
|
|
struct cam_sim *sim;
|
|
struct cam_path *path;
|
|
#ifdef ISP_TARGET_MODE
|
|
int i;
|
|
#endif
|
|
|
|
sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
|
|
device_get_unit(isp->isp_dev), &isp->isp_lock,
|
|
isp->isp_maxcmds, isp->isp_maxcmds, devq);
|
|
if (sim == NULL)
|
|
return (ENOMEM);
|
|
|
|
if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
|
|
cam_sim_free(sim, FALSE);
|
|
return (EIO);
|
|
}
|
|
if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_bus_deregister(cam_sim_path(sim));
|
|
cam_sim_free(sim, FALSE);
|
|
return (ENXIO);
|
|
}
|
|
|
|
ISP_LOCK(isp);
|
|
fc->sim = sim;
|
|
fc->path = path;
|
|
fc->isp = isp;
|
|
fc->ready = 1;
|
|
fcp->isp_use_gft_id = 1;
|
|
fcp->isp_use_gff_id = 1;
|
|
|
|
callout_init_mtx(&fc->gdt, &isp->isp_lock, 0);
|
|
TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
|
|
#ifdef ISP_TARGET_MODE
|
|
TAILQ_INIT(&fc->waitq);
|
|
STAILQ_INIT(&fc->ntfree);
|
|
for (i = 0; i < ATPDPSIZE; i++)
|
|
STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
|
|
LIST_INIT(&fc->atfree);
|
|
for (i = ATPDPSIZE-1; i >= 0; i--)
|
|
LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
|
|
for (i = 0; i < ATPDPHASHSIZE; i++)
|
|
LIST_INIT(&fc->atused[i]);
|
|
#endif
|
|
isp_loop_changed(isp, chan);
|
|
ISP_UNLOCK(isp);
|
|
if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
|
|
"%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
|
|
xpt_free_path(fc->path);
|
|
xpt_bus_deregister(cam_sim_path(fc->sim));
|
|
cam_sim_free(fc->sim, FALSE);
|
|
return (ENOMEM);
|
|
}
|
|
fc->num_threads += 1;
|
|
if (chan > 0) {
|
|
snprintf(name, sizeof(name), "chan%d", chan);
|
|
tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
|
|
OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
|
|
"Virtual channel");
|
|
}
|
|
SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
|
|
"World Wide Node Name");
|
|
SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
|
|
"World Wide Port Name");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
|
|
"Loop Down Limit");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
|
|
"Gone Device Time");
|
|
#if defined(ISP_TARGET_MODE) && defined(DEBUG)
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
|
|
"Cause a Lost Frame on a Read");
|
|
#endif
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"role", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
|
|
isp, chan, isp_role_sysctl, "I", "Current role");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
|
|
"Connection speed in gigabits");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
|
|
"Link state");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
|
|
"Firmware state");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
|
|
"Loop state");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"topo", CTLFLAG_RD, &fcp->isp_topo, 0,
|
|
"Connection topology");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"use_gft_id", CTLFLAG_RWTUN, &fcp->isp_use_gft_id, 0,
|
|
"Use GFT_ID during fabric scan");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"use_gff_id", CTLFLAG_RWTUN, &fcp->isp_use_gff_id, 0,
|
|
"Use GFF_ID during fabric scan");
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
isp_detach_chan(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
xpt_free_path(fc->path);
|
|
xpt_bus_deregister(cam_sim_path(fc->sim));
|
|
cam_sim_free(fc->sim, FALSE);
|
|
|
|
/* Wait for the channel's spawned threads to exit. */
|
|
wakeup(fc);
|
|
while (fc->num_threads != 0)
|
|
mtx_sleep(&fc->num_threads, &isp->isp_lock, PRIBIO, "isp_reap", 0);
|
|
}
|
|
|
|
int
|
|
isp_attach(ispsoftc_t *isp)
|
|
{
|
|
const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
|
|
int du = device_get_unit(isp->isp_dev);
|
|
int chan;
|
|
|
|
/*
|
|
* Create the device queue for our SIM(s).
|
|
*/
|
|
isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
|
|
if (isp->isp_osinfo.devq == NULL) {
|
|
return (EIO);
|
|
}
|
|
|
|
for (chan = 0; chan < isp->isp_nchan; chan++) {
|
|
if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
|
|
goto unwind;
|
|
}
|
|
}
|
|
|
|
callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_lock, 0);
|
|
isp_timer_count = hz >> 2;
|
|
callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
|
|
|
|
isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
|
|
if (isp->isp_osinfo.cdev) {
|
|
isp->isp_osinfo.cdev->si_drv1 = isp;
|
|
}
|
|
return (0);
|
|
|
|
unwind:
|
|
ISP_LOCK(isp);
|
|
isp->isp_osinfo.is_exiting = 1;
|
|
while (--chan >= 0)
|
|
isp_detach_chan(isp, chan);
|
|
ISP_UNLOCK(isp);
|
|
cam_simq_free(isp->isp_osinfo.devq);
|
|
isp->isp_osinfo.devq = NULL;
|
|
return (-1);
|
|
}
|
|
|
|
int
|
|
isp_detach(ispsoftc_t *isp)
|
|
{
|
|
int chan;
|
|
|
|
if (isp->isp_osinfo.cdev) {
|
|
destroy_dev(isp->isp_osinfo.cdev);
|
|
isp->isp_osinfo.cdev = NULL;
|
|
}
|
|
ISP_LOCK(isp);
|
|
/* Tell spawned threads that we're exiting. */
|
|
isp->isp_osinfo.is_exiting = 1;
|
|
for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
|
|
isp_detach_chan(isp, chan);
|
|
ISP_UNLOCK(isp);
|
|
callout_drain(&isp->isp_osinfo.tmo);
|
|
cam_simq_free(isp->isp_osinfo.devq);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
isp_freeze_loopdown(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (fc->sim == NULL)
|
|
return;
|
|
if (fc->simqfrozen == 0) {
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"Chan %d Freeze simq (loopdown)", chan);
|
|
fc->simqfrozen = SIMQFRZ_LOOPDOWN;
|
|
xpt_hold_boot();
|
|
xpt_freeze_simq(fc->sim, 1);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"Chan %d Mark simq frozen (loopdown)", chan);
|
|
fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (fc->sim == NULL)
|
|
return;
|
|
int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
|
|
fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
|
|
if (wasfrozen && fc->simqfrozen == 0) {
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"Chan %d Release simq", chan);
|
|
xpt_release_simq(fc->sim, 1);
|
|
xpt_release_boot();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Functions to protect from request queue overflow by freezing SIM queue.
|
|
* XXX: freezing only one arbitrary SIM, since they all share the queue.
|
|
*/
|
|
static void
|
|
isp_rq_check_above(ispsoftc_t *isp)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, 0);
|
|
|
|
if (isp->isp_rqovf || fc->sim == NULL)
|
|
return;
|
|
if (!isp_rqentry_avail(isp, QENTRY_MAX)) {
|
|
xpt_freeze_simq(fc->sim, 1);
|
|
isp->isp_rqovf = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_rq_check_below(ispsoftc_t *isp)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, 0);
|
|
|
|
if (!isp->isp_rqovf || fc->sim == NULL)
|
|
return;
|
|
if (isp_rqentry_avail(isp, QENTRY_MAX)) {
|
|
xpt_release_simq(fc->sim, 0);
|
|
isp->isp_rqovf = 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
|
|
{
|
|
ispsoftc_t *isp;
|
|
int nr, chan, retval = ENOTTY;
|
|
|
|
isp = dev->si_drv1;
|
|
|
|
switch (c) {
|
|
case ISP_SDBLEV:
|
|
{
|
|
int olddblev = isp->isp_dblev;
|
|
isp->isp_dblev = *(int *)addr;
|
|
*(int *)addr = olddblev;
|
|
retval = 0;
|
|
break;
|
|
}
|
|
case ISP_GETROLE:
|
|
chan = *(int *)addr;
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = -ENXIO;
|
|
break;
|
|
}
|
|
*(int *)addr = FCPARAM(isp, chan)->role;
|
|
retval = 0;
|
|
break;
|
|
case ISP_SETROLE:
|
|
nr = *(int *)addr;
|
|
chan = nr >> 8;
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = -ENXIO;
|
|
break;
|
|
}
|
|
nr &= 0xff;
|
|
if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
|
|
retval = EINVAL;
|
|
break;
|
|
}
|
|
ISP_LOCK(isp);
|
|
*(int *)addr = FCPARAM(isp, chan)->role;
|
|
retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
|
|
case ISP_RESETHBA:
|
|
ISP_LOCK(isp);
|
|
isp_reinit(isp, 0);
|
|
ISP_UNLOCK(isp);
|
|
retval = 0;
|
|
break;
|
|
|
|
case ISP_RESCAN:
|
|
chan = *(intptr_t *)addr;
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = -ENXIO;
|
|
break;
|
|
}
|
|
ISP_LOCK(isp);
|
|
if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
|
|
retval = EIO;
|
|
} else {
|
|
retval = 0;
|
|
}
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
|
|
case ISP_FC_LIP:
|
|
chan = *(intptr_t *)addr;
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = -ENXIO;
|
|
break;
|
|
}
|
|
ISP_LOCK(isp);
|
|
if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
|
|
retval = EIO;
|
|
} else {
|
|
retval = 0;
|
|
}
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
case ISP_FC_GETDINFO:
|
|
{
|
|
struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
|
|
fcportdb_t *lp;
|
|
|
|
if (ifc->loopid >= MAX_FC_TARG) {
|
|
retval = EINVAL;
|
|
break;
|
|
}
|
|
lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
|
|
if (lp->state != FC_PORTDB_STATE_NIL) {
|
|
ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
|
|
ifc->loopid = lp->handle;
|
|
ifc->portid = lp->portid;
|
|
ifc->node_wwn = lp->node_wwn;
|
|
ifc->port_wwn = lp->port_wwn;
|
|
retval = 0;
|
|
} else {
|
|
retval = ENODEV;
|
|
}
|
|
break;
|
|
}
|
|
case ISP_FC_GETHINFO:
|
|
{
|
|
struct isp_hba_device *hba = (struct isp_hba_device *) addr;
|
|
int chan = hba->fc_channel;
|
|
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = ENXIO;
|
|
break;
|
|
}
|
|
hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
|
|
hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
|
|
hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
|
|
hba->fc_nchannels = isp->isp_nchan;
|
|
hba->fc_nports = MAX_FC_TARG;
|
|
hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
|
|
hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
|
|
hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
|
|
hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
|
|
hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
|
|
hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
|
|
hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
|
|
retval = 0;
|
|
break;
|
|
}
|
|
case ISP_TSK_MGMT:
|
|
{
|
|
int needmarker;
|
|
struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
|
|
uint16_t nphdl;
|
|
isp24xx_tmf_t tmf;
|
|
isp24xx_statusreq_t sp;
|
|
fcparam *fcp;
|
|
fcportdb_t *lp;
|
|
int i;
|
|
|
|
chan = fct->chan;
|
|
if (chan < 0 || chan >= isp->isp_nchan) {
|
|
retval = -ENXIO;
|
|
break;
|
|
}
|
|
|
|
needmarker = retval = 0;
|
|
nphdl = fct->loopid;
|
|
ISP_LOCK(isp);
|
|
fcp = FCPARAM(isp, chan);
|
|
|
|
for (i = 0; i < MAX_FC_TARG; i++) {
|
|
lp = &fcp->portdb[i];
|
|
if (lp->handle == nphdl) {
|
|
break;
|
|
}
|
|
}
|
|
if (i == MAX_FC_TARG) {
|
|
retval = ENXIO;
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
}
|
|
ISP_MEMZERO(&tmf, sizeof(tmf));
|
|
tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
|
|
tmf.tmf_header.rqs_entry_count = 1;
|
|
tmf.tmf_nphdl = lp->handle;
|
|
tmf.tmf_delay = 2;
|
|
tmf.tmf_timeout = 4;
|
|
tmf.tmf_tidlo = lp->portid;
|
|
tmf.tmf_tidhi = lp->portid >> 16;
|
|
tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
|
|
tmf.tmf_lun[1] = fct->lun & 0xff;
|
|
if (fct->lun >= 256) {
|
|
tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
|
|
}
|
|
switch (fct->action) {
|
|
case IPT_CLEAR_ACA:
|
|
tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
|
|
break;
|
|
case IPT_TARGET_RESET:
|
|
tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
|
|
needmarker = 1;
|
|
break;
|
|
case IPT_LUN_RESET:
|
|
tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
|
|
needmarker = 1;
|
|
break;
|
|
case IPT_CLEAR_TASK_SET:
|
|
tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
|
|
needmarker = 1;
|
|
break;
|
|
case IPT_ABORT_TASK_SET:
|
|
tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
|
|
needmarker = 1;
|
|
break;
|
|
default:
|
|
retval = EINVAL;
|
|
break;
|
|
}
|
|
if (retval) {
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
}
|
|
|
|
retval = isp_exec_entry_queue(isp, &tmf, &sp, 5);
|
|
if (retval != 0) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: TMF of chan %d error %d",
|
|
__func__, chan, retval);
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
}
|
|
|
|
if (sp.req_completion_status != 0)
|
|
retval = EIO;
|
|
else if (needmarker)
|
|
fcp->sendmarker = 1;
|
|
ISP_UNLOCK(isp);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return (retval);
|
|
}
|
|
|
|
/*
|
|
* Local Inlines
|
|
*/
|
|
|
|
static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
|
|
static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
|
|
|
|
static ISP_INLINE int
|
|
isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
|
|
if (ISP_PCMD(ccb) == NULL) {
|
|
return (-1);
|
|
}
|
|
isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
|
|
return (0);
|
|
}
|
|
|
|
static ISP_INLINE void
|
|
isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
if (ISP_PCMD(ccb)) {
|
|
#ifdef ISP_TARGET_MODE
|
|
PISP_PCMD(ccb)->datalen = 0;
|
|
#endif
|
|
PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
|
|
isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
|
|
ISP_PCMD(ccb) = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Put the target mode functions here, because some are inlines
|
|
*/
|
|
#ifdef ISP_TARGET_MODE
|
|
static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
|
|
static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
|
|
static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
|
|
static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
|
|
static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
|
|
static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
|
|
static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
|
|
static tstate_t *create_lun_state(ispsoftc_t *, int, struct cam_path *);
|
|
static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
|
|
static void isp_enable_lun(ispsoftc_t *, union ccb *);
|
|
static void isp_disable_lun(ispsoftc_t *, union ccb *);
|
|
static callout_func_t isp_refire_notify_ack;
|
|
static void isp_complete_ctio(ispsoftc_t *isp, union ccb *);
|
|
enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
|
|
static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
|
|
static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
|
|
static void isp_handle_platform_ctio(ispsoftc_t *, ct7_entry_t *);
|
|
static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
|
|
static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
|
|
static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
|
|
|
|
static ISP_INLINE tstate_t *
|
|
get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, bus);
|
|
tstate_t *tptr;
|
|
|
|
SLIST_FOREACH(tptr, &fc->lun_hash[LUN_HASH_FUNC(lun)], next) {
|
|
if (tptr->ts_lun == lun)
|
|
return (tptr);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
|
|
{
|
|
inot_private_data_t *ntp;
|
|
struct ntpdlist rq;
|
|
|
|
if (STAILQ_EMPTY(&tptr->restart_queue))
|
|
return (0);
|
|
STAILQ_INIT(&rq);
|
|
STAILQ_CONCAT(&rq, &tptr->restart_queue);
|
|
while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
|
|
STAILQ_REMOVE_HEAD(&rq, next);
|
|
isp_prt(isp, ISP_LOGTDEBUG0,
|
|
"%s: restarting resrc deprived %x", __func__,
|
|
((at7_entry_t *)ntp->data)->at_rxid);
|
|
isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
|
|
isp_put_ntpd(isp, bus, ntp);
|
|
if (!STAILQ_EMPTY(&tptr->restart_queue))
|
|
break;
|
|
}
|
|
if (!STAILQ_EMPTY(&rq)) {
|
|
STAILQ_CONCAT(&rq, &tptr->restart_queue);
|
|
STAILQ_CONCAT(&tptr->restart_queue, &rq);
|
|
}
|
|
return (!STAILQ_EMPTY(&tptr->restart_queue));
|
|
}
|
|
|
|
static void
|
|
isp_tmcmd_restart(ispsoftc_t *isp)
|
|
{
|
|
struct isp_fc *fc;
|
|
tstate_t *tptr;
|
|
union ccb *ccb;
|
|
int bus, i;
|
|
|
|
for (bus = 0; bus < isp->isp_nchan; bus++) {
|
|
fc = ISP_FC_PC(isp, bus);
|
|
for (i = 0; i < LUN_HASH_SIZE; i++) {
|
|
SLIST_FOREACH(tptr, &fc->lun_hash[i], next)
|
|
isp_atio_restart(isp, bus, tptr);
|
|
}
|
|
|
|
/*
|
|
* We only need to do this once per channel.
|
|
*/
|
|
ccb = (union ccb *)TAILQ_FIRST(&fc->waitq);
|
|
if (ccb != NULL) {
|
|
TAILQ_REMOVE(&fc->waitq, &ccb->ccb_h, sim_links.tqe);
|
|
isp_target_start_ctio(isp, ccb, FROM_TIMER);
|
|
}
|
|
}
|
|
isp_rq_check_above(isp);
|
|
isp_rq_check_below(isp);
|
|
}
|
|
|
|
static atio_private_data_t *
|
|
isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
atio_private_data_t *atp;
|
|
|
|
atp = LIST_FIRST(&fc->atfree);
|
|
if (atp) {
|
|
LIST_REMOVE(atp, next);
|
|
atp->tag = tag;
|
|
LIST_INSERT_HEAD(&fc->atused[ATPDPHASH(tag)], atp, next);
|
|
}
|
|
return (atp);
|
|
}
|
|
|
|
static atio_private_data_t *
|
|
isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
atio_private_data_t *atp;
|
|
|
|
LIST_FOREACH(atp, &fc->atused[ATPDPHASH(tag)], next) {
|
|
if (atp->tag == tag)
|
|
return (atp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (atp->ests)
|
|
isp_put_ecmd(isp, atp->ests);
|
|
LIST_REMOVE(atp, next);
|
|
memset(atp, 0, sizeof (*atp));
|
|
LIST_INSERT_HEAD(&fc->atfree, atp, next);
|
|
}
|
|
|
|
static void
|
|
isp_dump_atpd(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
atio_private_data_t *atp;
|
|
const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
|
|
|
|
for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) {
|
|
if (atp->state == ATPD_STATE_FREE)
|
|
continue;
|
|
isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
|
|
chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
|
|
}
|
|
}
|
|
|
|
static inot_private_data_t *
|
|
isp_get_ntpd(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
inot_private_data_t *ntp;
|
|
|
|
ntp = STAILQ_FIRST(&fc->ntfree);
|
|
if (ntp)
|
|
STAILQ_REMOVE_HEAD(&fc->ntfree, next);
|
|
return (ntp);
|
|
}
|
|
|
|
static inot_private_data_t *
|
|
isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
inot_private_data_t *ntp;
|
|
|
|
for (ntp = fc->ntpool; ntp < &fc->ntpool[ATPDPSIZE]; ntp++) {
|
|
if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
|
|
return (ntp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
ntp->tag_id = ntp->seq_id = 0;
|
|
STAILQ_INSERT_HEAD(&fc->ntfree, ntp, next);
|
|
}
|
|
|
|
tstate_t *
|
|
create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, bus);
|
|
lun_id_t lun;
|
|
tstate_t *tptr;
|
|
|
|
lun = xpt_path_lun_id(path);
|
|
tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
|
|
if (tptr == NULL)
|
|
return (NULL);
|
|
tptr->ts_lun = lun;
|
|
SLIST_INIT(&tptr->atios);
|
|
SLIST_INIT(&tptr->inots);
|
|
STAILQ_INIT(&tptr->restart_queue);
|
|
SLIST_INSERT_HEAD(&fc->lun_hash[LUN_HASH_FUNC(lun)], tptr, next);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
|
|
return (tptr);
|
|
}
|
|
|
|
static void
|
|
destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, bus);
|
|
union ccb *ccb;
|
|
inot_private_data_t *ntp;
|
|
|
|
while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
|
|
SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
|
|
ccb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(ccb);
|
|
};
|
|
while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
|
|
SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
|
|
ccb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(ccb);
|
|
}
|
|
while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
|
|
isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
|
|
STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
|
|
isp_put_ntpd(isp, bus, ntp);
|
|
}
|
|
SLIST_REMOVE(&fc->lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], tptr, tstate, next);
|
|
free(tptr, M_DEVBUF);
|
|
}
|
|
|
|
static void
|
|
isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
tstate_t *tptr;
|
|
int bus = XS_CHANNEL(ccb);
|
|
target_id_t target = ccb->ccb_h.target_id;
|
|
lun_id_t lun = ccb->ccb_h.target_lun;
|
|
|
|
/*
|
|
* We only support either target and lun both wildcard
|
|
* or target and lun both non-wildcard.
|
|
*/
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
|
|
"enabling lun %jx\n", (uintmax_t)lun);
|
|
if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
|
|
ccb->ccb_h.status = CAM_LUN_INVALID;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
/* Create the state pointer. It should not already exist. */
|
|
tptr = get_lun_statep(isp, bus, lun);
|
|
if (tptr) {
|
|
ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
tptr = create_lun_state(isp, bus, ccb->ccb_h.path);
|
|
if (tptr == NULL) {
|
|
ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
static void
|
|
isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
tstate_t *tptr;
|
|
int bus = XS_CHANNEL(ccb);
|
|
target_id_t target = ccb->ccb_h.target_id;
|
|
lun_id_t lun = ccb->ccb_h.target_lun;
|
|
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
|
|
"disabling lun %jx\n", (uintmax_t)lun);
|
|
if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
|
|
ccb->ccb_h.status = CAM_LUN_INVALID;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
/* Find the state pointer. */
|
|
if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
|
|
ccb->ccb_h.status = CAM_PATH_INVALID;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
destroy_lun_state(isp, bus, tptr);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
static void
|
|
isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
|
|
{
|
|
int fctape, sendstatus, resid;
|
|
fcparam *fcp;
|
|
atio_private_data_t *atp;
|
|
struct ccb_scsiio *cso;
|
|
struct isp_ccbq *waitq;
|
|
uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
|
|
ct7_entry_t local, *cto = &local;
|
|
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len,
|
|
(ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
|
|
|
|
waitq = &ISP_FC_PC(isp, XS_CHANNEL(ccb))->waitq;
|
|
switch (how) {
|
|
case FROM_CAM:
|
|
/*
|
|
* Insert at the tail of the list, if any, waiting CTIO CCBs
|
|
*/
|
|
TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
case FROM_TIMER:
|
|
case FROM_SRR:
|
|
case FROM_CTIO_DONE:
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
}
|
|
|
|
while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
|
|
TAILQ_REMOVE(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
|
|
cso = &ccb->csio;
|
|
xfrlen = cso->dxfer_len;
|
|
if (xfrlen == 0) {
|
|
if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
|
|
ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
|
|
if (atp == NULL) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
|
|
isp_dump_atpd(isp, XS_CHANNEL(ccb));
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Is this command a dead duck?
|
|
*/
|
|
if (atp->dead) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
|
|
ccb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Check to make sure we're still in target mode.
|
|
*/
|
|
fcp = FCPARAM(isp, XS_CHANNEL(ccb));
|
|
if ((fcp->role & ISP_ROLE_TARGET) == 0) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
|
|
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
|
|
* could be split into two CTIOs to split data and status).
|
|
*/
|
|
if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
|
|
isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags);
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Does the initiator expect FC-Tape style responses?
|
|
*/
|
|
if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
|
|
fctape = 1;
|
|
} else {
|
|
fctape = 0;
|
|
}
|
|
|
|
/*
|
|
* If we already did the data xfer portion of a CTIO that sends data
|
|
* and status, don't do it again and do the status portion now.
|
|
*/
|
|
if (atp->sendst) {
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
|
|
cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
|
|
xfrlen = 0; /* we already did the data transfer */
|
|
atp->sendst = 0;
|
|
}
|
|
if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
|
|
sendstatus = 1;
|
|
} else {
|
|
sendstatus = 0;
|
|
}
|
|
|
|
if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
|
|
KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
|
|
/*
|
|
* Sense length is not the entire sense data structure size. Periph
|
|
* drivers don't seem to be setting sense_len to reflect the actual
|
|
* size. We'll peek inside to get the right amount.
|
|
*/
|
|
sense_length = cso->sense_len;
|
|
|
|
/*
|
|
* This 'cannot' happen
|
|
*/
|
|
if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
|
|
sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
|
|
}
|
|
} else {
|
|
sense_length = 0;
|
|
}
|
|
|
|
/*
|
|
* Check for overflow
|
|
*/
|
|
tmp = atp->bytes_xfered + atp->bytes_in_transit;
|
|
if (xfrlen > 0 && tmp > atp->orig_datalen) {
|
|
isp_prt(isp, ISP_LOGERR,
|
|
"%s: [0x%x] data overflow by %u bytes", __func__,
|
|
cso->tag_id, tmp + xfrlen - atp->orig_datalen);
|
|
ccb->ccb_h.status = CAM_DATA_RUN_ERR;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
if (xfrlen > atp->orig_datalen - tmp) {
|
|
xfrlen = atp->orig_datalen - tmp;
|
|
if (xfrlen == 0 && !sendstatus) {
|
|
cso->resid = cso->dxfer_len;
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
memset(cto, 0, QENTRY_LEN);
|
|
cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
|
|
cto->ct_header.rqs_entry_count = 1;
|
|
cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
|
|
ATPD_SET_SEQNO(cto, atp);
|
|
cto->ct_nphdl = atp->nphdl;
|
|
cto->ct_rxid = atp->tag;
|
|
cto->ct_iid_lo = atp->sid;
|
|
cto->ct_iid_hi = atp->sid >> 16;
|
|
cto->ct_oxid = atp->oxid;
|
|
cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
|
|
cto->ct_timeout = XS_TIME(ccb);
|
|
cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
|
|
|
|
/*
|
|
* Mode 1, status, no data. Only possible when we are sending status, have
|
|
* no data to transfer, and any sense data can fit into a ct7_entry_t.
|
|
*
|
|
* Mode 2, status, no data. We have to use this in the case that
|
|
* the sense data won't fit into a ct7_entry_t.
|
|
*
|
|
*/
|
|
if (sendstatus && xfrlen == 0) {
|
|
cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
|
|
resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
|
|
if (sense_length <= MAXRESPLEN_24XX) {
|
|
cto->ct_flags |= CT7_FLAG_MODE1;
|
|
cto->ct_scsi_status = cso->scsi_status;
|
|
if (resid < 0) {
|
|
cto->ct_resid = -resid;
|
|
cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
|
|
} else if (resid > 0) {
|
|
cto->ct_resid = resid;
|
|
cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
|
|
}
|
|
if (fctape) {
|
|
cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
|
|
}
|
|
if (sense_length) {
|
|
cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
|
|
cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
|
|
memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
|
|
}
|
|
} else {
|
|
bus_addr_t addr;
|
|
fcp_rsp_iu_t rp;
|
|
|
|
if (atp->ests == NULL) {
|
|
atp->ests = isp_get_ecmd(isp);
|
|
if (atp->ests == NULL) {
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
}
|
|
}
|
|
memset(&rp, 0, sizeof(rp));
|
|
if (fctape) {
|
|
cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
|
|
rp.fcp_rsp_bits |= FCP_CONF_REQ;
|
|
}
|
|
cto->ct_flags |= CT7_FLAG_MODE2;
|
|
rp.fcp_rsp_scsi_status = cso->scsi_status;
|
|
if (resid < 0) {
|
|
rp.fcp_rsp_resid = -resid;
|
|
rp.fcp_rsp_bits |= FCP_RESID_OVERFLOW;
|
|
} else if (resid > 0) {
|
|
rp.fcp_rsp_resid = resid;
|
|
rp.fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
|
|
}
|
|
if (sense_length) {
|
|
rp.fcp_rsp_snslen = sense_length;
|
|
cto->ct_senselen = sense_length;
|
|
rp.fcp_rsp_bits |= FCP_SNSLEN_VALID;
|
|
isp_put_fcp_rsp_iu(isp, &rp, atp->ests);
|
|
memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
|
|
} else {
|
|
isp_put_fcp_rsp_iu(isp, &rp, atp->ests);
|
|
}
|
|
if (isp->isp_dblev & ISP_LOGTDEBUG1) {
|
|
isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
|
|
}
|
|
bus_dmamap_sync(isp->isp_osinfo.ecmd_dmat, isp->isp_osinfo.ecmd_map, BUS_DMASYNC_PREWRITE);
|
|
addr = isp->isp_osinfo.ecmd_dma;
|
|
addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
|
|
(uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
|
|
cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
|
|
cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
|
|
cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
|
|
cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
|
|
}
|
|
if (sense_length) {
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__,
|
|
cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length,
|
|
cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
|
|
cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
|
|
}
|
|
atp->state = ATPD_STATE_LAST_CTIO;
|
|
}
|
|
|
|
/*
|
|
* Mode 0 data transfers, *possibly* with status.
|
|
*/
|
|
if (xfrlen != 0) {
|
|
cto->ct_flags |= CT7_FLAG_MODE0;
|
|
if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
|
|
cto->ct_flags |= CT7_DATA_IN;
|
|
} else {
|
|
cto->ct_flags |= CT7_DATA_OUT;
|
|
}
|
|
|
|
cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
|
|
cto->rsp.m0.ct_xfrlen = xfrlen;
|
|
|
|
#ifdef DEBUG
|
|
if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
|
|
ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
|
|
cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
|
|
}
|
|
#endif
|
|
if (sendstatus) {
|
|
resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
|
|
if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
|
|
cto->ct_flags |= CT7_SENDSTATUS;
|
|
atp->state = ATPD_STATE_LAST_CTIO;
|
|
if (fctape) {
|
|
cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
|
|
}
|
|
} else {
|
|
atp->sendst = 1; /* send status later */
|
|
cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
|
|
atp->state = ATPD_STATE_CTIO;
|
|
}
|
|
} else {
|
|
atp->state = ATPD_STATE_CTIO;
|
|
}
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__,
|
|
cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
|
|
}
|
|
|
|
if (isp_get_pcmd(isp, ccb)) {
|
|
ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
}
|
|
handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
|
|
if (handle == 0) {
|
|
ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
isp_free_pcmd(isp, ccb);
|
|
break;
|
|
}
|
|
atp->bytes_in_transit += xfrlen;
|
|
PISP_PCMD(ccb)->datalen = xfrlen;
|
|
|
|
/*
|
|
* Call the dma setup routines for this entry (and any subsequent
|
|
* CTIOs) if there's data to move, and then tell the f/w it's got
|
|
* new things to play with. As with isp_start's usage of DMA setup,
|
|
* any swizzling is done in the machine dependent layer. Because
|
|
* of this, we put the request onto the queue area first in native
|
|
* format.
|
|
*/
|
|
cto->ct_syshandle = handle;
|
|
dmaresult = ISP_DMASETUP(isp, cso, cto);
|
|
if (dmaresult != 0) {
|
|
isp_destroy_handle(isp, handle);
|
|
isp_free_pcmd(isp, ccb);
|
|
if (dmaresult == CMD_EAGAIN) {
|
|
TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, sim_links.tqe);
|
|
break;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
xpt_done(ccb);
|
|
continue;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
|
|
if (xfrlen) {
|
|
ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
|
|
} else {
|
|
ccb->ccb_h.spriv_field0 = ~0;
|
|
}
|
|
atp->ctcnt++;
|
|
atp->seqno++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_refire_notify_ack(void *arg)
|
|
{
|
|
isp_tna_t *tp = arg;
|
|
ispsoftc_t *isp = tp->isp;
|
|
|
|
ISP_ASSERT_LOCKED(isp);
|
|
if (isp_notify_ack(isp, tp->not)) {
|
|
callout_schedule(&tp->timer, 5);
|
|
} else {
|
|
free(tp, M_DEVBUF);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
isp_complete_ctio(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
|
|
isp_rq_check_below(isp);
|
|
ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
static void
|
|
isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
|
|
{
|
|
int cdbxlen;
|
|
lun_id_t lun;
|
|
uint16_t chan, nphdl = NIL_HANDLE;
|
|
uint32_t did, sid;
|
|
fcportdb_t *lp;
|
|
tstate_t *tptr;
|
|
struct ccb_accept_tio *atiop;
|
|
atio_private_data_t *atp = NULL;
|
|
atio_private_data_t *oatp;
|
|
inot_private_data_t *ntp;
|
|
|
|
did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
|
|
sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
|
|
lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
|
|
|
|
if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
|
|
/* Channel has to be derived from D_ID */
|
|
isp_find_chan_by_did(isp, did, &chan);
|
|
if (chan == ISP_NOCHAN) {
|
|
isp_prt(isp, ISP_LOGWARN,
|
|
"%s: [RX_ID 0x%x] D_ID %x not found on any channel",
|
|
__func__, aep->at_rxid, did);
|
|
isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN,
|
|
ECMD_TERMINATE, 0);
|
|
return;
|
|
}
|
|
} else {
|
|
chan = 0;
|
|
}
|
|
|
|
/*
|
|
* Find the PDB entry for this initiator
|
|
*/
|
|
if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
|
|
/*
|
|
* If we're not in the port database terminate the exchange.
|
|
*/
|
|
isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already",
|
|
__func__, aep->at_rxid, did, chan, sid);
|
|
isp_dump_portdb(isp, chan);
|
|
isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
|
|
return;
|
|
}
|
|
nphdl = lp->handle;
|
|
|
|
/*
|
|
* Get the tstate pointer
|
|
*/
|
|
tptr = get_lun_statep(isp, chan, lun);
|
|
if (tptr == NULL) {
|
|
tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
|
|
if (tptr == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN,
|
|
"%s: [0x%x] no state pointer for lun %jx or wildcard",
|
|
__func__, aep->at_rxid, (uintmax_t)lun);
|
|
if (lun == 0) {
|
|
isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
|
|
} else {
|
|
isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Start any commands pending resources first.
|
|
*/
|
|
if (isp_atio_restart(isp, chan, tptr))
|
|
goto noresrc;
|
|
|
|
/*
|
|
* If the f/w is out of resources, just send a BUSY status back.
|
|
*/
|
|
if (aep->at_rxid == AT7_NORESRC_RXID) {
|
|
isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If we're out of resources, just send a BUSY status back.
|
|
*/
|
|
atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
|
|
if (atiop == NULL) {
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
|
|
goto noresrc;
|
|
}
|
|
|
|
oatp = isp_find_atpd(isp, chan, aep->at_rxid);
|
|
if (oatp) {
|
|
isp_prt(isp, oatp->state == ATPD_STATE_LAST_CTIO ? ISP_LOGTDEBUG0 :
|
|
ISP_LOGWARN, "[0x%x] tag wraparound (N-Port Handle "
|
|
"0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d",
|
|
aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
|
|
/*
|
|
* It's not a "no resource" condition- but we can treat it like one
|
|
*/
|
|
goto noresrc;
|
|
}
|
|
atp = isp_get_atpd(isp, chan, aep->at_rxid);
|
|
if (atp == NULL) {
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
|
|
isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
|
|
return;
|
|
}
|
|
atp->word3 = lp->prli_word3;
|
|
atp->state = ATPD_STATE_ATIO;
|
|
SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO\n");
|
|
atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
|
|
atiop->ccb_h.target_id = ISP_MAX_TARGETS(isp);
|
|
atiop->ccb_h.target_lun = lun;
|
|
atiop->sense_len = 0;
|
|
cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
|
|
if (cdbxlen) {
|
|
isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
|
|
}
|
|
cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
|
|
ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
|
|
atiop->cdb_len = cdbxlen;
|
|
atiop->ccb_h.status = CAM_CDB_RECVD;
|
|
atiop->tag_id = atp->tag;
|
|
switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
|
|
case FCP_CMND_TASK_ATTR_SIMPLE:
|
|
atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
|
|
atiop->tag_action = MSG_SIMPLE_TASK;
|
|
break;
|
|
case FCP_CMND_TASK_ATTR_HEAD:
|
|
atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
|
|
atiop->tag_action = MSG_HEAD_OF_QUEUE_TASK;
|
|
break;
|
|
case FCP_CMND_TASK_ATTR_ORDERED:
|
|
atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
|
|
atiop->tag_action = MSG_ORDERED_TASK;
|
|
break;
|
|
case FCP_CMND_TASK_ATTR_ACA:
|
|
atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
|
|
atiop->tag_action = MSG_ACA_TASK;
|
|
break;
|
|
case FCP_CMND_TASK_ATTR_UNTAGGED:
|
|
default:
|
|
atiop->tag_action = 0;
|
|
break;
|
|
}
|
|
atiop->priority = (aep->at_cmnd.fcp_cmnd_task_attribute &
|
|
FCP_CMND_PRIO_MASK) >> FCP_CMND_PRIO_SHIFT;
|
|
atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
|
|
atp->bytes_xfered = 0;
|
|
atp->lun = lun;
|
|
atp->nphdl = nphdl;
|
|
atp->sid = sid;
|
|
atp->did = did;
|
|
atp->oxid = aep->at_hdr.ox_id;
|
|
atp->rxid = aep->at_hdr.rx_id;
|
|
atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
|
|
atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
|
|
atp->state = ATPD_STATE_CAM;
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
|
|
aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
|
|
xpt_done((union ccb *)atiop);
|
|
return;
|
|
noresrc:
|
|
KASSERT(atp == NULL, ("%s: atp is not NULL on noresrc!\n", __func__));
|
|
ntp = isp_get_ntpd(isp, chan);
|
|
if (ntp == NULL) {
|
|
isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
|
|
return;
|
|
}
|
|
memcpy(ntp->data, aep, QENTRY_LEN);
|
|
STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
|
|
}
|
|
|
|
|
|
/*
|
|
* Handle starting an SRR (sequence retransmit request)
|
|
* We get here when we've gotten the immediate notify
|
|
* and the return of all outstanding CTIOs for this
|
|
* transaction.
|
|
*/
|
|
static void
|
|
isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
|
|
{
|
|
in_fcentry_24xx_t *inot;
|
|
uint32_t srr_off, ccb_off, ccb_len, ccb_end;
|
|
union ccb *ccb;
|
|
|
|
inot = (in_fcentry_24xx_t *)atp->srr;
|
|
srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
|
|
ccb = atp->srr_ccb;
|
|
atp->srr_ccb = NULL;
|
|
atp->nsrr++;
|
|
if (ccb == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
|
|
goto fail;
|
|
}
|
|
|
|
ccb_off = ccb->ccb_h.spriv_field0;
|
|
ccb_len = ccb->csio.dxfer_len;
|
|
ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
|
|
|
|
switch (inot->in_srr_iu) {
|
|
case R_CTL_INFO_SOLICITED_DATA:
|
|
/*
|
|
* We have to restart a FCP_DATA data out transaction
|
|
*/
|
|
atp->sendst = 0;
|
|
atp->bytes_xfered = srr_off;
|
|
if (ccb_len == 0) {
|
|
isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
|
|
goto mdp;
|
|
}
|
|
if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
|
|
isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
|
|
goto mdp;
|
|
}
|
|
isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
|
|
break;
|
|
case R_CTL_INFO_COMMAND_STATUS:
|
|
isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
|
|
atp->sendst = 1;
|
|
/*
|
|
* We have to restart a FCP_RSP IU transaction
|
|
*/
|
|
break;
|
|
case R_CTL_INFO_DATA_DESCRIPTOR:
|
|
/*
|
|
* We have to restart an FCP DATA in transaction
|
|
*/
|
|
isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
|
|
goto fail;
|
|
|
|
default:
|
|
isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
|
|
goto fail;
|
|
}
|
|
|
|
/*
|
|
* We can't do anything until this is acked, so we might as well start it now.
|
|
* We aren't going to do the usual asynchronous ack issue because we need
|
|
* to make sure this gets on the wire first.
|
|
*/
|
|
if (isp_notify_ack(isp, inot)) {
|
|
isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
|
|
goto fail;
|
|
}
|
|
isp_target_start_ctio(isp, ccb, FROM_SRR);
|
|
return;
|
|
fail:
|
|
inot->in_reserved = 1;
|
|
isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
|
|
isp_complete_ctio(isp, ccb);
|
|
return;
|
|
mdp:
|
|
if (isp_notify_ack(isp, inot)) {
|
|
isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
|
|
goto fail;
|
|
}
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_MESSAGE_RECV;
|
|
/*
|
|
* This is not a strict interpretation of MDP, but it's close
|
|
*/
|
|
ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
|
|
ccb->csio.msg_len = 7;
|
|
ccb->csio.msg_ptr[0] = MSG_EXTENDED;
|
|
ccb->csio.msg_ptr[1] = 5;
|
|
ccb->csio.msg_ptr[2] = 0; /* modify data pointer */
|
|
ccb->csio.msg_ptr[3] = srr_off >> 24;
|
|
ccb->csio.msg_ptr[4] = srr_off >> 16;
|
|
ccb->csio.msg_ptr[5] = srr_off >> 8;
|
|
ccb->csio.msg_ptr[6] = srr_off;
|
|
isp_complete_ctio(isp, ccb);
|
|
}
|
|
|
|
|
|
static void
|
|
isp_handle_platform_srr(ispsoftc_t *isp, isp_notify_t *notify)
|
|
{
|
|
in_fcentry_24xx_t *inot = notify->nt_lreserved;
|
|
atio_private_data_t *atp;
|
|
uint32_t tag = notify->nt_tagval & 0xffffffff;
|
|
|
|
atp = isp_find_atpd(isp, notify->nt_channel, tag);
|
|
if (atp == NULL) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify",
|
|
__func__, tag);
|
|
isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
|
|
return;
|
|
}
|
|
atp->srr_notify_rcvd = 1;
|
|
memcpy(atp->srr, inot, sizeof (atp->srr));
|
|
isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] flags 0x%x srr_iu %x reloff 0x%x",
|
|
inot->in_rxid, inot->in_flags, inot->in_srr_iu,
|
|
((uint32_t)inot->in_srr_reloff_hi << 16) | inot->in_srr_reloff_lo);
|
|
if (atp->srr_ccb)
|
|
isp_handle_srr_start(isp, atp);
|
|
}
|
|
|
|
static void
|
|
isp_handle_platform_ctio(ispsoftc_t *isp, ct7_entry_t *ct)
|
|
{
|
|
union ccb *ccb;
|
|
int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
|
|
atio_private_data_t *atp = NULL;
|
|
int bus;
|
|
uint32_t handle, data_requested, resid;
|
|
|
|
handle = ct->ct_syshandle;
|
|
ccb = isp_find_xs(isp, handle);
|
|
if (ccb == NULL) {
|
|
isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, ct);
|
|
return;
|
|
}
|
|
isp_destroy_handle(isp, handle);
|
|
resid = data_requested = PISP_PCMD(ccb)->datalen;
|
|
isp_free_pcmd(isp, ccb);
|
|
|
|
bus = XS_CHANNEL(ccb);
|
|
atp = isp_find_atpd(isp, bus, ct->ct_rxid);
|
|
if (atp == NULL) {
|
|
/*
|
|
* XXX: isp_clear_commands() generates fake CTIO with zero
|
|
* ct_rxid value, filling only ct_syshandle. Workaround
|
|
* that using tag_id from the CCB, pointed by ct_syshandle.
|
|
*/
|
|
atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
|
|
}
|
|
if (atp == NULL) {
|
|
isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
|
|
return;
|
|
}
|
|
KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
|
|
atp->bytes_in_transit -= data_requested;
|
|
atp->ctcnt -= 1;
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
|
|
if (ct->ct_nphdl == CT7_SRR) {
|
|
atp->srr_ccb = ccb;
|
|
if (atp->srr_notify_rcvd)
|
|
isp_handle_srr_start(isp, atp);
|
|
return;
|
|
}
|
|
if (ct->ct_nphdl == CT_HBA_RESET) {
|
|
sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
|
|
(atp->sendst == 0);
|
|
failure = CAM_UNREC_HBA_ERROR;
|
|
} else {
|
|
sentstatus = ct->ct_flags & CT7_SENDSTATUS;
|
|
ok = (ct->ct_nphdl == CT7_OK);
|
|
notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
|
|
if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
|
|
resid = ct->ct_resid;
|
|
}
|
|
isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
|
|
notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
|
|
if (ok) {
|
|
if (data_requested > 0) {
|
|
atp->bytes_xfered += data_requested - resid;
|
|
ccb->csio.resid = ccb->csio.dxfer_len -
|
|
(data_requested - resid);
|
|
}
|
|
if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
|
|
ccb->ccb_h.status |= CAM_SENT_SENSE;
|
|
ccb->ccb_h.status |= CAM_REQ_CMP;
|
|
} else {
|
|
notify_cam = 1;
|
|
if (failure == CAM_UNREC_HBA_ERROR)
|
|
ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
|
|
else
|
|
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
|
|
}
|
|
atp->state = ATPD_STATE_PDON;
|
|
|
|
/*
|
|
* We never *not* notify CAM when there has been any error (ok == 0),
|
|
* so we never need to do an ATIO putback if we're not notifying CAM.
|
|
*/
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
|
|
(sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
|
|
if (notify_cam == 0) {
|
|
if (atp->sendst) {
|
|
isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We are done with this ATIO if we successfully sent status.
|
|
* In all other cases expect either another CTIO or XPT_ABORT.
|
|
*/
|
|
if (ok && sentstatus)
|
|
isp_put_atpd(isp, bus, atp);
|
|
|
|
/*
|
|
* We're telling CAM we're done with this CTIO transaction.
|
|
*
|
|
* 24XX cards never need an ATIO put back.
|
|
*/
|
|
isp_complete_ctio(isp, ccb);
|
|
}
|
|
|
|
static int
|
|
isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
|
|
{
|
|
ct7_entry_t local, *cto = &local;
|
|
|
|
if (isp->isp_state != ISP_RUNSTATE) {
|
|
isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* This case is for a Task Management Function, which shows up as an ATIO7 entry.
|
|
*/
|
|
if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
|
|
at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
|
|
fcportdb_t *lp;
|
|
uint32_t sid;
|
|
uint16_t nphdl;
|
|
|
|
sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
|
|
if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
|
|
nphdl = lp->handle;
|
|
} else {
|
|
nphdl = NIL_HANDLE;
|
|
}
|
|
ISP_MEMZERO(cto, sizeof (ct7_entry_t));
|
|
cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
|
|
cto->ct_header.rqs_entry_count = 1;
|
|
cto->ct_nphdl = nphdl;
|
|
cto->ct_rxid = aep->at_rxid;
|
|
cto->ct_vpidx = mp->nt_channel;
|
|
cto->ct_iid_lo = sid;
|
|
cto->ct_iid_hi = sid >> 16;
|
|
cto->ct_oxid = aep->at_hdr.ox_id;
|
|
cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
|
|
cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
|
|
if (rsp != 0) {
|
|
cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
|
|
cto->rsp.m1.ct_resplen = 4;
|
|
ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
|
|
cto->rsp.m1.ct_resp[0] = rsp & 0xff;
|
|
cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
|
|
cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
|
|
cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
|
|
}
|
|
return (isp_send_entry(isp, cto));
|
|
}
|
|
|
|
/*
|
|
* This case is for a responding to an ABTS frame
|
|
*/
|
|
if (mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
|
|
|
|
/*
|
|
* Overload nt_need_ack here to mark whether we've terminated the associated command.
|
|
*/
|
|
if (mp->nt_need_ack) {
|
|
abts_t *abts = (abts_t *)mp->nt_lreserved;
|
|
|
|
ISP_MEMZERO(cto, sizeof (ct7_entry_t));
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
|
|
cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
|
|
cto->ct_header.rqs_entry_count = 1;
|
|
cto->ct_nphdl = mp->nt_nphdl;
|
|
cto->ct_rxid = abts->abts_rxid_task;
|
|
cto->ct_iid_lo = mp->nt_sid;
|
|
cto->ct_iid_hi = mp->nt_sid >> 16;
|
|
cto->ct_oxid = abts->abts_ox_id;
|
|
cto->ct_vpidx = mp->nt_channel;
|
|
cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
|
|
if (isp_send_entry(isp, cto)) {
|
|
return (ENOMEM);
|
|
}
|
|
mp->nt_need_ack = 0;
|
|
}
|
|
return (isp_acknak_abts(isp, mp->nt_lreserved, 0));
|
|
}
|
|
|
|
/*
|
|
* General purpose acknowledgement
|
|
*/
|
|
if (mp->nt_need_ack) {
|
|
isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
|
|
/*
|
|
* Don't need to use the guaranteed send because the caller can retry
|
|
*/
|
|
return (isp_notify_ack(isp, mp->nt_lreserved));
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Handle task management functions.
|
|
*
|
|
* We show up here with a notify structure filled out.
|
|
*
|
|
* The nt_lreserved tag points to the original queue entry
|
|
*/
|
|
static void
|
|
isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
|
|
{
|
|
tstate_t *tptr;
|
|
fcportdb_t *lp;
|
|
struct ccb_immediate_notify *inot;
|
|
inot_private_data_t *ntp = NULL;
|
|
atio_private_data_t *atp;
|
|
lun_id_t lun;
|
|
|
|
isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun %jx", __func__, notify->nt_ncode,
|
|
notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
|
|
if (notify->nt_lun == LUN_ANY) {
|
|
if (notify->nt_tagval == TAG_ANY) {
|
|
lun = CAM_LUN_WILDCARD;
|
|
} else {
|
|
atp = isp_find_atpd(isp, notify->nt_channel,
|
|
notify->nt_tagval & 0xffffffff);
|
|
lun = atp ? atp->lun : CAM_LUN_WILDCARD;
|
|
}
|
|
} else {
|
|
lun = notify->nt_lun;
|
|
}
|
|
tptr = get_lun_statep(isp, notify->nt_channel, lun);
|
|
if (tptr == NULL) {
|
|
tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
|
|
if (tptr == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
|
|
goto bad;
|
|
}
|
|
}
|
|
inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
|
|
if (inot == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
|
|
goto bad;
|
|
}
|
|
|
|
inot->ccb_h.target_id = ISP_MAX_TARGETS(isp);
|
|
inot->ccb_h.target_lun = lun;
|
|
if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
|
|
isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
|
|
inot->initiator_id = CAM_TARGET_WILDCARD;
|
|
} else {
|
|
inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
|
|
}
|
|
inot->seq_id = notify->nt_tagval;
|
|
inot->tag_id = notify->nt_tagval >> 32;
|
|
|
|
switch (notify->nt_ncode) {
|
|
case NT_ABORT_TASK:
|
|
isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
|
|
inot->arg = MSG_ABORT_TASK;
|
|
break;
|
|
case NT_ABORT_TASK_SET:
|
|
isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
|
|
inot->arg = MSG_ABORT_TASK_SET;
|
|
break;
|
|
case NT_CLEAR_ACA:
|
|
inot->arg = MSG_CLEAR_ACA;
|
|
break;
|
|
case NT_CLEAR_TASK_SET:
|
|
inot->arg = MSG_CLEAR_TASK_SET;
|
|
break;
|
|
case NT_LUN_RESET:
|
|
inot->arg = MSG_LOGICAL_UNIT_RESET;
|
|
break;
|
|
case NT_TARGET_RESET:
|
|
inot->arg = MSG_TARGET_RESET;
|
|
break;
|
|
case NT_QUERY_TASK_SET:
|
|
inot->arg = MSG_QUERY_TASK_SET;
|
|
break;
|
|
case NT_QUERY_ASYNC_EVENT:
|
|
inot->arg = MSG_QUERY_ASYNC_EVENT;
|
|
break;
|
|
default:
|
|
isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
|
|
goto bad;
|
|
}
|
|
|
|
ntp = isp_get_ntpd(isp, notify->nt_channel);
|
|
if (ntp == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
|
|
goto bad;
|
|
}
|
|
ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
|
|
if (notify->nt_lreserved) {
|
|
ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
|
|
ntp->nt.nt_lreserved = &ntp->data;
|
|
}
|
|
ntp->seq_id = notify->nt_tagval;
|
|
ntp->tag_id = notify->nt_tagval >> 32;
|
|
|
|
SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "Take FREE INOT\n");
|
|
inot->ccb_h.status = CAM_MESSAGE_RECV;
|
|
xpt_done((union ccb *)inot);
|
|
return;
|
|
bad:
|
|
if (notify->nt_need_ack) {
|
|
if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
|
|
if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
|
|
isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
|
|
}
|
|
} else {
|
|
isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
atio_private_data_t *atp;
|
|
inot_private_data_t *ntp, *tmp;
|
|
uint32_t this_tag_id;
|
|
|
|
/*
|
|
* First, clean any commands pending restart
|
|
*/
|
|
STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
|
|
this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
|
|
if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
|
|
isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
|
|
ECMD_TERMINATE, 0);
|
|
isp_put_ntpd(isp, chan, ntp);
|
|
STAILQ_REMOVE(&tptr->restart_queue, ntp,
|
|
inot_private_data, next);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now mark other ones dead as well.
|
|
*/
|
|
for (atp = fc->atpool; atp < &fc->atpool[ATPDPSIZE]; atp++) {
|
|
if (atp->lun != tptr->ts_lun)
|
|
continue;
|
|
if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
|
|
atp->dead = 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
isp_poll(struct cam_sim *sim)
|
|
{
|
|
ispsoftc_t *isp = cam_sim_softc(sim);
|
|
|
|
ISP_RUN_ISR(isp);
|
|
}
|
|
|
|
|
|
static void
|
|
isp_watchdog(void *arg)
|
|
{
|
|
struct ccb_scsiio *xs = arg;
|
|
ispsoftc_t *isp;
|
|
uint32_t ohandle = ISP_HANDLE_FREE, handle;
|
|
|
|
isp = XS_ISP(xs);
|
|
|
|
handle = isp_find_handle(isp, xs);
|
|
|
|
/*
|
|
* Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
|
|
*/
|
|
if (handle != ISP_HANDLE_FREE) {
|
|
ISP_RUN_ISR(isp);
|
|
ohandle = handle;
|
|
handle = isp_find_handle(isp, xs);
|
|
}
|
|
if (handle != ISP_HANDLE_FREE) {
|
|
/*
|
|
* Try and make sure the command is really dead before
|
|
* we release the handle (and DMA resources) for reuse.
|
|
*
|
|
* If we are successful in aborting the command then
|
|
* we're done here because we'll get the command returned
|
|
* back separately.
|
|
*/
|
|
if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Note that after calling the above, the command may in
|
|
* fact have been completed.
|
|
*/
|
|
xs = isp_find_xs(isp, handle);
|
|
|
|
/*
|
|
* If the command no longer exists, then we won't
|
|
* be able to find the xs again with this handle.
|
|
*/
|
|
if (xs == NULL) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* After this point, the command is really dead.
|
|
*/
|
|
ISP_DMAFREE(isp, xs);
|
|
isp_destroy_handle(isp, handle);
|
|
isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
|
|
XS_SETERR(xs, CAM_CMD_TIMEOUT);
|
|
isp_done(xs);
|
|
} else {
|
|
if (ohandle != ISP_HANDLE_FREE) {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
|
|
{
|
|
union ccb *ccb;
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
/*
|
|
* Allocate a CCB, create a wildcard path for this target and schedule a rescan.
|
|
*/
|
|
ccb = xpt_alloc_ccb_nowait();
|
|
if (ccb == NULL) {
|
|
isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
|
|
return;
|
|
}
|
|
if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
|
|
tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
|
|
xpt_free_ccb(ccb);
|
|
return;
|
|
}
|
|
xpt_rescan(ccb);
|
|
}
|
|
|
|
static void
|
|
isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
|
|
{
|
|
struct cam_path *tp;
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
|
|
xpt_async(AC_LOST_DEVICE, tp, NULL);
|
|
xpt_free_path(tp);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Gone Device Timer Function- when we have decided that a device has gone
|
|
* away, we wait a specific period of time prior to telling the OS it has
|
|
* gone away.
|
|
*
|
|
* This timer function fires once a second and then scans the port database
|
|
* for devices that are marked dead but still have a virtual target assigned.
|
|
* We decrement a counter for that port database entry, and when it hits zero,
|
|
* we tell the OS the device has gone away.
|
|
*/
|
|
static void
|
|
isp_gdt(void *arg)
|
|
{
|
|
struct isp_fc *fc = arg;
|
|
taskqueue_enqueue(taskqueue_thread, &fc->gtask);
|
|
}
|
|
|
|
static void
|
|
isp_gdt_task(void *arg, int pending)
|
|
{
|
|
struct isp_fc *fc = arg;
|
|
ispsoftc_t *isp = fc->isp;
|
|
int chan = fc - ISP_FC_PC(isp, 0);
|
|
fcportdb_t *lp;
|
|
struct ac_contract ac;
|
|
struct ac_device_changed *adc;
|
|
int dbidx, more_to_do = 0;
|
|
|
|
ISP_LOCK(isp);
|
|
isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
|
|
for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
|
|
lp = &FCPARAM(isp, chan)->portdb[dbidx];
|
|
|
|
if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
|
|
continue;
|
|
}
|
|
if (lp->gone_timer != 0) {
|
|
lp->gone_timer -= 1;
|
|
more_to_do++;
|
|
continue;
|
|
}
|
|
isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
|
|
if (lp->is_target) {
|
|
lp->is_target = 0;
|
|
isp_make_gone(isp, lp, chan, dbidx);
|
|
}
|
|
if (lp->is_initiator) {
|
|
lp->is_initiator = 0;
|
|
ac.contract_number = AC_CONTRACT_DEV_CHG;
|
|
adc = (struct ac_device_changed *) ac.contract_data;
|
|
adc->wwpn = lp->port_wwn;
|
|
adc->port = lp->portid;
|
|
adc->target = dbidx;
|
|
adc->arrived = 0;
|
|
xpt_async(AC_CONTRACT, fc->path, &ac);
|
|
}
|
|
lp->state = FC_PORTDB_STATE_NIL;
|
|
}
|
|
if (fc->ready) {
|
|
if (more_to_do) {
|
|
callout_reset(&fc->gdt, hz, isp_gdt, fc);
|
|
} else {
|
|
callout_deactivate(&fc->gdt);
|
|
isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
|
|
}
|
|
}
|
|
ISP_UNLOCK(isp);
|
|
}
|
|
|
|
/*
|
|
* When loop goes down we remember the time and freeze CAM command queue.
|
|
* During some time period we are trying to reprobe the loop. But if we
|
|
* fail, we tell the OS that devices have gone away and drop the freeze.
|
|
*
|
|
* We don't clear the devices out of our port database because, when loop
|
|
* come back up, we have to do some actual cleanup with the chip at that
|
|
* point (implicit PLOGO, e.g., to get the chip's port database state right).
|
|
*/
|
|
static void
|
|
isp_loop_changed(ispsoftc_t *isp, int chan)
|
|
{
|
|
fcparam *fcp = FCPARAM(isp, chan);
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (fc->loop_down_time)
|
|
return;
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
|
|
if (fcp->role & ISP_ROLE_INITIATOR)
|
|
isp_freeze_loopdown(isp, chan);
|
|
fc->loop_down_time = time_uptime;
|
|
wakeup(fc);
|
|
}
|
|
|
|
static void
|
|
isp_loop_up(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
|
|
fc->loop_seen_once = 1;
|
|
fc->loop_down_time = 0;
|
|
isp_unfreeze_loopdown(isp, chan);
|
|
}
|
|
|
|
static void
|
|
isp_loop_dead(ispsoftc_t *isp, int chan)
|
|
{
|
|
fcparam *fcp = FCPARAM(isp, chan);
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
fcportdb_t *lp;
|
|
struct ac_contract ac;
|
|
struct ac_device_changed *adc;
|
|
int dbidx, i;
|
|
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
|
|
|
|
/*
|
|
* Notify to the OS all targets who we now consider have departed.
|
|
*/
|
|
for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
|
|
lp = &fcp->portdb[dbidx];
|
|
|
|
if (lp->state == FC_PORTDB_STATE_NIL)
|
|
continue;
|
|
|
|
for (i = 0; i < ISP_HANDLE_NUM(isp); i++) {
|
|
struct ccb_scsiio *xs;
|
|
|
|
if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
|
|
continue;
|
|
}
|
|
if ((xs = isp->isp_xflist[i].cmd) == NULL) {
|
|
continue;
|
|
}
|
|
if (dbidx != XS_TGT(xs)) {
|
|
continue;
|
|
}
|
|
isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
|
|
isp->isp_xflist[i].handle, chan, XS_TGT(xs),
|
|
(uintmax_t)XS_LUN(xs));
|
|
|
|
/*
|
|
* Just like in isp_watchdog, abort the outstanding
|
|
* command or immediately free its resources if it is
|
|
* not active
|
|
*/
|
|
if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
|
|
continue;
|
|
}
|
|
|
|
ISP_DMAFREE(isp, xs);
|
|
isp_destroy_handle(isp, isp->isp_xflist[i].handle);
|
|
isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx could not be aborted and was destroyed",
|
|
isp->isp_xflist[i].handle, chan, XS_TGT(xs),
|
|
(uintmax_t)XS_LUN(xs));
|
|
XS_SETERR(xs, HBA_BUSRESET);
|
|
isp_done(xs);
|
|
}
|
|
|
|
isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
|
|
if (lp->is_target) {
|
|
lp->is_target = 0;
|
|
isp_make_gone(isp, lp, chan, dbidx);
|
|
}
|
|
if (lp->is_initiator) {
|
|
lp->is_initiator = 0;
|
|
ac.contract_number = AC_CONTRACT_DEV_CHG;
|
|
adc = (struct ac_device_changed *) ac.contract_data;
|
|
adc->wwpn = lp->port_wwn;
|
|
adc->port = lp->portid;
|
|
adc->target = dbidx;
|
|
adc->arrived = 0;
|
|
xpt_async(AC_CONTRACT, fc->path, &ac);
|
|
}
|
|
}
|
|
|
|
isp_unfreeze_loopdown(isp, chan);
|
|
fc->loop_down_time = 0;
|
|
}
|
|
|
|
static void
|
|
isp_kthread(void *arg)
|
|
{
|
|
struct isp_fc *fc = arg;
|
|
ispsoftc_t *isp = fc->isp;
|
|
int chan = fc - ISP_FC_PC(isp, 0);
|
|
int slp = 0, d;
|
|
int lb, lim;
|
|
|
|
ISP_LOCK(isp);
|
|
while (isp->isp_osinfo.is_exiting == 0) {
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
|
|
"Chan %d Checking FC state", chan);
|
|
lb = isp_fc_runstate(isp, chan, 250000);
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
|
|
"Chan %d FC got to %s state", chan,
|
|
isp_fc_loop_statename(lb));
|
|
|
|
/*
|
|
* Our action is different based upon whether we're supporting
|
|
* Initiator mode or not. If we are, we might freeze the simq
|
|
* when loop is down and set all sorts of different delays to
|
|
* check again.
|
|
*
|
|
* If not, we simply just wait for loop to come up.
|
|
*/
|
|
if (lb == LOOP_READY || lb < 0) {
|
|
slp = 0;
|
|
} else {
|
|
/*
|
|
* If we've never seen loop up and we've waited longer
|
|
* than quickboot time, or we've seen loop up but we've
|
|
* waited longer than loop_down_limit, give up and go
|
|
* to sleep until loop comes up.
|
|
*/
|
|
if (fc->loop_seen_once == 0)
|
|
lim = isp_quickboot_time;
|
|
else
|
|
lim = fc->loop_down_limit;
|
|
d = time_uptime - fc->loop_down_time;
|
|
if (d >= lim)
|
|
slp = 0;
|
|
else if (d < 10)
|
|
slp = 1;
|
|
else if (d < 30)
|
|
slp = 5;
|
|
else if (d < 60)
|
|
slp = 10;
|
|
else if (d < 120)
|
|
slp = 20;
|
|
else
|
|
slp = 30;
|
|
}
|
|
|
|
if (slp == 0) {
|
|
if (lb == LOOP_READY)
|
|
isp_loop_up(isp, chan);
|
|
else
|
|
isp_loop_dead(isp, chan);
|
|
}
|
|
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
|
|
"Chan %d sleep for %d seconds", chan, slp);
|
|
msleep(fc, &isp->isp_lock, PRIBIO, "ispf", slp * hz);
|
|
}
|
|
fc->num_threads -= 1;
|
|
wakeup(&fc->num_threads);
|
|
ISP_UNLOCK(isp);
|
|
kthread_exit();
|
|
}
|
|
|
|
#ifdef ISP_TARGET_MODE
|
|
static void
|
|
isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
atio_private_data_t *atp;
|
|
union ccb *accb = ccb->cab.abort_ccb;
|
|
struct ccb_hdr *sccb;
|
|
tstate_t *tptr;
|
|
|
|
tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
|
|
if (tptr != NULL) {
|
|
/* Search for the ATIO among queueued. */
|
|
SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
|
|
if (sccb != &accb->ccb_h)
|
|
continue;
|
|
SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
|
|
"Abort FREE ATIO\n");
|
|
accb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(accb);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Search for the ATIO among running. */
|
|
atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
|
|
if (atp != NULL) {
|
|
/* Send TERMINATE to firmware. */
|
|
if (!atp->dead) {
|
|
uint8_t storage[QENTRY_LEN];
|
|
ct7_entry_t *cto = (ct7_entry_t *) storage;
|
|
|
|
ISP_MEMZERO(cto, sizeof (ct7_entry_t));
|
|
cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
|
|
cto->ct_header.rqs_entry_count = 1;
|
|
cto->ct_nphdl = atp->nphdl;
|
|
cto->ct_rxid = atp->tag;
|
|
cto->ct_iid_lo = atp->sid;
|
|
cto->ct_iid_hi = atp->sid >> 16;
|
|
cto->ct_oxid = atp->oxid;
|
|
cto->ct_vpidx = XS_CHANNEL(accb);
|
|
cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
|
|
isp_send_entry(isp, cto);
|
|
}
|
|
isp_put_atpd(isp, XS_CHANNEL(accb), atp);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
} else {
|
|
ccb->ccb_h.status = CAM_UA_ABORT;
|
|
}
|
|
}
|
|
|
|
static void
|
|
isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
|
|
{
|
|
inot_private_data_t *ntp;
|
|
union ccb *accb = ccb->cab.abort_ccb;
|
|
struct ccb_hdr *sccb;
|
|
tstate_t *tptr;
|
|
|
|
tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
|
|
if (tptr != NULL) {
|
|
/* Search for the INOT among queueued. */
|
|
SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
|
|
if (sccb != &accb->ccb_h)
|
|
continue;
|
|
SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, sccb->path,
|
|
"Abort FREE INOT\n");
|
|
accb->ccb_h.status = CAM_REQ_ABORTED;
|
|
xpt_done(accb);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Search for the INOT among running. */
|
|
ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
|
|
if (ntp != NULL) {
|
|
if (ntp->nt.nt_need_ack) {
|
|
isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK,
|
|
ntp->nt.nt_lreserved);
|
|
}
|
|
isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
} else {
|
|
ccb->ccb_h.status = CAM_UA_ABORT;
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
isp_action(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
int bus, tgt, error;
|
|
ispsoftc_t *isp;
|
|
fcparam *fcp;
|
|
struct ccb_trans_settings *cts;
|
|
sbintime_t ts;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
|
|
|
|
isp = (ispsoftc_t *)cam_sim_softc(sim);
|
|
ISP_ASSERT_LOCKED(isp);
|
|
bus = cam_sim_bus(sim);
|
|
isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
|
|
ISP_PCMD(ccb) = NULL;
|
|
|
|
switch (ccb->ccb_h.func_code) {
|
|
case XPT_SCSI_IO: /* Execute the requested I/O operation */
|
|
/*
|
|
* Do a couple of preliminary checks...
|
|
*/
|
|
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
|
|
if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
isp_done((struct ccb_scsiio *) ccb);
|
|
break;
|
|
}
|
|
}
|
|
#ifdef DIAGNOSTIC
|
|
if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
|
|
xpt_print(ccb->ccb_h.path, "invalid target\n");
|
|
ccb->ccb_h.status = CAM_PATH_INVALID;
|
|
}
|
|
if (ccb->ccb_h.status == CAM_PATH_INVALID) {
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
#endif
|
|
ccb->csio.scsi_status = SCSI_STATUS_OK;
|
|
if (isp_get_pcmd(isp, ccb)) {
|
|
isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
|
|
cam_freeze_devq(ccb->ccb_h.path);
|
|
cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
error = isp_start((XS_T *) ccb);
|
|
isp_rq_check_above(isp);
|
|
switch (error) {
|
|
case 0:
|
|
ccb->ccb_h.status |= CAM_SIM_QUEUED;
|
|
if (ccb->ccb_h.timeout == CAM_TIME_INFINITY)
|
|
break;
|
|
/* Give firmware extra 10s to handle timeout. */
|
|
ts = SBT_1MS * ccb->ccb_h.timeout + 10 * SBT_1S;
|
|
callout_reset_sbt(&PISP_PCMD(ccb)->wdog, ts, 0,
|
|
isp_watchdog, ccb, 0);
|
|
break;
|
|
case CMD_RQLATER:
|
|
isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
|
|
XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
|
|
cam_freeze_devq(ccb->ccb_h.path);
|
|
cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
isp_free_pcmd(isp, ccb);
|
|
xpt_done(ccb);
|
|
break;
|
|
case CMD_EAGAIN:
|
|
isp_free_pcmd(isp, ccb);
|
|
cam_freeze_devq(ccb->ccb_h.path);
|
|
cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
break;
|
|
case CMD_COMPLETE:
|
|
isp_done((struct ccb_scsiio *) ccb);
|
|
break;
|
|
default:
|
|
isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
isp_free_pcmd(isp, ccb);
|
|
xpt_done(ccb);
|
|
}
|
|
break;
|
|
|
|
#ifdef ISP_TARGET_MODE
|
|
case XPT_EN_LUN: /* Enable/Disable LUN as a target */
|
|
if (ccb->cel.enable) {
|
|
isp_enable_lun(isp, ccb);
|
|
} else {
|
|
isp_disable_lun(isp, ccb);
|
|
}
|
|
break;
|
|
case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
|
|
case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
|
|
{
|
|
tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
|
|
if (tptr == NULL) {
|
|
const char *str;
|
|
|
|
if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
|
|
str = "XPT_IMMEDIATE_NOTIFY";
|
|
else
|
|
str = "XPT_ACCEPT_TARGET_IO";
|
|
ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
|
|
"%s: no state pointer found for %s\n",
|
|
__func__, str);
|
|
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
|
|
if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
|
|
ccb->atio.tag_id = 0;
|
|
SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
|
|
"Put FREE ATIO\n");
|
|
} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
|
|
ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
|
|
SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
|
|
"Put FREE INOT\n");
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_INPROG;
|
|
break;
|
|
}
|
|
case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */
|
|
{
|
|
inot_private_data_t *ntp;
|
|
|
|
/*
|
|
* XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
|
|
* XXX: matches that for the immediate notify, we have to *search* for the notify structure
|
|
*/
|
|
/*
|
|
* All the relevant path information is in the associated immediate notify
|
|
*/
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] NOTIFY ACKNOWLEDGE for 0x%x seen\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
|
|
ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
|
|
if (ntp == NULL) {
|
|
ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] XPT_NOTIFY_ACKNOWLEDGE of 0x%x cannot find ntp private data\n", __func__,
|
|
ccb->cna2.tag_id, ccb->cna2.seq_id);
|
|
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
|
|
(ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
|
|
cam_freeze_devq(ccb->ccb_h.path);
|
|
cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 10, 0);
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
break;
|
|
}
|
|
isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] calling xpt_done for tag 0x%x\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_CONT_TARGET_IO:
|
|
isp_target_start_ctio(isp, ccb, FROM_CAM);
|
|
isp_rq_check_above(isp);
|
|
break;
|
|
#endif
|
|
case XPT_RESET_DEV: /* BDR the specified SCSI device */
|
|
tgt = ccb->ccb_h.target_id;
|
|
tgt |= (bus << 16);
|
|
|
|
error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
|
|
if (error) {
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
} else {
|
|
/*
|
|
* If we have a FC device, reset the Command
|
|
* Reference Number, because the target will expect
|
|
* that we re-start the CRN at 1 after a reset.
|
|
*/
|
|
isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_ABORT: /* Abort the specified CCB */
|
|
{
|
|
union ccb *accb = ccb->cab.abort_ccb;
|
|
switch (accb->ccb_h.func_code) {
|
|
#ifdef ISP_TARGET_MODE
|
|
case XPT_ACCEPT_TARGET_IO:
|
|
isp_abort_atio(isp, ccb);
|
|
break;
|
|
case XPT_IMMEDIATE_NOTIFY:
|
|
isp_abort_inot(isp, ccb);
|
|
break;
|
|
#endif
|
|
case XPT_SCSI_IO:
|
|
error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
|
|
if (error) {
|
|
ccb->ccb_h.status = CAM_UA_ABORT;
|
|
} else {
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
break;
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
}
|
|
/*
|
|
* This is not a queued CCB, so the caller expects it to be
|
|
* complete when control is returned.
|
|
*/
|
|
break;
|
|
}
|
|
#define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
|
|
case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
|
|
cts = &ccb->cts;
|
|
if (!IS_CURRENT_SETTINGS(cts)) {
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings_scsi *scsi;
|
|
struct ccb_trans_settings_fc *fc;
|
|
|
|
cts = &ccb->cts;
|
|
scsi = &cts->proto_specific.scsi;
|
|
fc = &cts->xport_specific.fc;
|
|
tgt = cts->ccb_h.target_id;
|
|
fcp = FCPARAM(isp, bus);
|
|
|
|
cts->protocol = PROTO_SCSI;
|
|
cts->protocol_version = SCSI_REV_2;
|
|
cts->transport = XPORT_FC;
|
|
cts->transport_version = 0;
|
|
|
|
scsi->valid = CTS_SCSI_VALID_TQ;
|
|
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
|
|
fc->valid = CTS_FC_VALID_SPEED;
|
|
fc->bitrate = fcp->isp_gbspeed * 100000;
|
|
if (tgt < MAX_FC_TARG) {
|
|
fcportdb_t *lp = &fcp->portdb[tgt];
|
|
fc->wwnn = lp->node_wwn;
|
|
fc->wwpn = lp->port_wwn;
|
|
fc->port = lp->portid;
|
|
fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_CALC_GEOMETRY:
|
|
cam_calc_geometry(&ccb->ccg, 1);
|
|
xpt_done(ccb);
|
|
break;
|
|
|
|
case XPT_RESET_BUS: /* Reset the specified bus */
|
|
error = isp_control(isp, ISPCTL_RESET_BUS, bus);
|
|
if (error) {
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
if (bootverbose) {
|
|
xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
|
|
}
|
|
xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
|
|
case XPT_TERM_IO: /* Terminate the I/O process */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
|
|
case XPT_SET_SIM_KNOB: /* Set SIM knobs */
|
|
{
|
|
struct ccb_sim_knob *kp = &ccb->knob;
|
|
fcparam *fcp = FCPARAM(isp, bus);
|
|
|
|
if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
|
|
fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
|
|
fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
|
|
isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
|
|
int rchange = 0;
|
|
int newrole = 0;
|
|
|
|
switch (kp->xport_specific.fc.role) {
|
|
case KNOB_ROLE_NONE:
|
|
if (fcp->role != ISP_ROLE_NONE) {
|
|
rchange = 1;
|
|
newrole = ISP_ROLE_NONE;
|
|
}
|
|
break;
|
|
case KNOB_ROLE_TARGET:
|
|
if (fcp->role != ISP_ROLE_TARGET) {
|
|
rchange = 1;
|
|
newrole = ISP_ROLE_TARGET;
|
|
}
|
|
break;
|
|
case KNOB_ROLE_INITIATOR:
|
|
if (fcp->role != ISP_ROLE_INITIATOR) {
|
|
rchange = 1;
|
|
newrole = ISP_ROLE_INITIATOR;
|
|
}
|
|
break;
|
|
case KNOB_ROLE_BOTH:
|
|
if (fcp->role != ISP_ROLE_BOTH) {
|
|
rchange = 1;
|
|
newrole = ISP_ROLE_BOTH;
|
|
}
|
|
break;
|
|
}
|
|
if (rchange) {
|
|
ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
|
|
if (isp_control(isp, ISPCTL_CHANGE_ROLE,
|
|
bus, newrole) != 0) {
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_GET_SIM_KNOB_OLD: /* Get SIM knobs -- compat value */
|
|
case XPT_GET_SIM_KNOB: /* Get SIM knobs */
|
|
{
|
|
struct ccb_sim_knob *kp = &ccb->knob;
|
|
fcparam *fcp = FCPARAM(isp, bus);
|
|
|
|
kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
|
|
kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
|
|
switch (fcp->role) {
|
|
case ISP_ROLE_NONE:
|
|
kp->xport_specific.fc.role = KNOB_ROLE_NONE;
|
|
break;
|
|
case ISP_ROLE_TARGET:
|
|
kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
|
|
break;
|
|
case ISP_ROLE_INITIATOR:
|
|
kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
|
|
break;
|
|
case ISP_ROLE_BOTH:
|
|
kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
|
|
break;
|
|
}
|
|
kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_PATH_INQ: /* Path routing inquiry */
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
cpi->version_num = 1;
|
|
#ifdef ISP_TARGET_MODE
|
|
cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
|
|
#else
|
|
cpi->target_sprt = 0;
|
|
#endif
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
|
|
cpi->max_lun = 255;
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
|
|
|
|
fcp = FCPARAM(isp, bus);
|
|
|
|
cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
|
|
cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
|
|
|
|
/*
|
|
* Because our loop ID can shift from time to time,
|
|
* make our initiator ID out of range of our bus.
|
|
*/
|
|
cpi->initiator_id = cpi->max_target + 1;
|
|
|
|
/*
|
|
* Set base transfer capabilities for Fibre Channel, for this HBA.
|
|
*/
|
|
if (IS_25XX(isp))
|
|
cpi->base_transfer_speed = 8000000;
|
|
else
|
|
cpi->base_transfer_speed = 4000000;
|
|
cpi->hba_inquiry = PI_TAG_ABLE;
|
|
cpi->transport = XPORT_FC;
|
|
cpi->transport_version = 0;
|
|
cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
|
|
cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
|
|
cpi->xport_specific.fc.port = fcp->isp_portid;
|
|
cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
|
|
cpi->protocol = PROTO_SCSI;
|
|
cpi->protocol_version = SCSI_REV_2;
|
|
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
|
|
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
isp_done(XS_T *sccb)
|
|
{
|
|
ispsoftc_t *isp = XS_ISP(sccb);
|
|
uint32_t status;
|
|
|
|
if (XS_NOERR(sccb))
|
|
XS_SETERR(sccb, CAM_REQ_CMP);
|
|
|
|
if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
|
|
sccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
|
|
sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
|
|
} else {
|
|
sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
|
|
}
|
|
}
|
|
|
|
sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
|
|
status = sccb->ccb_h.status & CAM_STATUS_MASK;
|
|
if (status != CAM_REQ_CMP &&
|
|
(sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
|
|
sccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
xpt_freeze_devq(sccb->ccb_h.path, 1);
|
|
}
|
|
|
|
if (ISP_PCMD(sccb)) {
|
|
if (callout_active(&PISP_PCMD(sccb)->wdog))
|
|
callout_stop(&PISP_PCMD(sccb)->wdog);
|
|
isp_free_pcmd(isp, (union ccb *) sccb);
|
|
}
|
|
isp_rq_check_below(isp);
|
|
xpt_done((union ccb *) sccb);
|
|
}
|
|
|
|
void
|
|
isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
|
|
{
|
|
int bus;
|
|
static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
|
|
char buf[64];
|
|
char *msg = NULL;
|
|
target_id_t tgt = 0;
|
|
fcportdb_t *lp;
|
|
struct isp_fc *fc;
|
|
struct ac_contract ac;
|
|
struct ac_device_changed *adc;
|
|
va_list ap;
|
|
|
|
switch (cmd) {
|
|
case ISPASYNC_LOOP_RESET:
|
|
{
|
|
uint16_t lipp;
|
|
fcparam *fcp;
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
va_end(ap);
|
|
|
|
lipp = ISP_READ(isp, OUTMAILBOX1);
|
|
fcp = FCPARAM(isp, bus);
|
|
|
|
isp_prt(isp, ISP_LOGINFO, "Chan %d LOOP Reset, LIP primitive %x", bus, lipp);
|
|
/*
|
|
* Per FCP-4, a Reset LIP should result in a CRN reset. Other
|
|
* LIPs and loop up/down events should never reset the CRN. For
|
|
* an as of yet unknown reason, 24xx series cards (and
|
|
* potentially others) can interrupt with a LIP Reset status
|
|
* when no LIP reset came down the wire. Additionally, the LIP
|
|
* primitive accompanying this status would not be a valid LIP
|
|
* Reset primitive, but some variation of an invalid AL_PA
|
|
* LIP. As a result, we have to verify the AL_PD in the LIP
|
|
* addresses our port before blindly resetting.
|
|
*/
|
|
if (FCP_IS_DEST_ALPD(fcp, (lipp & 0x00FF)))
|
|
isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
|
|
isp_loop_changed(isp, bus);
|
|
break;
|
|
}
|
|
case ISPASYNC_LIP:
|
|
if (msg == NULL)
|
|
msg = "LIP Received";
|
|
/* FALLTHROUGH */
|
|
case ISPASYNC_LOOP_DOWN:
|
|
if (msg == NULL)
|
|
msg = "LOOP Down";
|
|
/* FALLTHROUGH */
|
|
case ISPASYNC_LOOP_UP:
|
|
if (msg == NULL)
|
|
msg = "LOOP Up";
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
va_end(ap);
|
|
isp_loop_changed(isp, bus);
|
|
isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
|
|
break;
|
|
case ISPASYNC_DEV_ARRIVED:
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
lp = va_arg(ap, fcportdb_t *);
|
|
va_end(ap);
|
|
fc = ISP_FC_PC(isp, bus);
|
|
tgt = FC_PORTDB_TGT(isp, bus, lp);
|
|
isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
|
|
isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
|
|
if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
|
|
(lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
|
|
lp->is_target = 1;
|
|
isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
|
|
isp_make_here(isp, lp, bus, tgt);
|
|
}
|
|
if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
|
|
(lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
|
|
lp->is_initiator = 1;
|
|
ac.contract_number = AC_CONTRACT_DEV_CHG;
|
|
adc = (struct ac_device_changed *) ac.contract_data;
|
|
adc->wwpn = lp->port_wwn;
|
|
adc->port = lp->portid;
|
|
adc->target = tgt;
|
|
adc->arrived = 1;
|
|
xpt_async(AC_CONTRACT, fc->path, &ac);
|
|
}
|
|
break;
|
|
case ISPASYNC_DEV_CHANGED:
|
|
case ISPASYNC_DEV_STAYED:
|
|
{
|
|
int crn_reset_done;
|
|
|
|
crn_reset_done = 0;
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
lp = va_arg(ap, fcportdb_t *);
|
|
va_end(ap);
|
|
fc = ISP_FC_PC(isp, bus);
|
|
tgt = FC_PORTDB_TGT(isp, bus, lp);
|
|
isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
|
|
if (cmd == ISPASYNC_DEV_CHANGED)
|
|
isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
|
|
else
|
|
isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
|
|
|
|
if (lp->is_target !=
|
|
((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
|
|
(lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
|
|
lp->is_target = !lp->is_target;
|
|
if (lp->is_target) {
|
|
if (cmd == ISPASYNC_DEV_CHANGED) {
|
|
isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
|
|
crn_reset_done = 1;
|
|
}
|
|
isp_make_here(isp, lp, bus, tgt);
|
|
} else {
|
|
isp_make_gone(isp, lp, bus, tgt);
|
|
if (cmd == ISPASYNC_DEV_CHANGED) {
|
|
isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
|
|
crn_reset_done = 1;
|
|
}
|
|
}
|
|
}
|
|
if (lp->is_initiator !=
|
|
((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
|
|
(lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
|
|
lp->is_initiator = !lp->is_initiator;
|
|
ac.contract_number = AC_CONTRACT_DEV_CHG;
|
|
adc = (struct ac_device_changed *) ac.contract_data;
|
|
adc->wwpn = lp->port_wwn;
|
|
adc->port = lp->portid;
|
|
adc->target = tgt;
|
|
adc->arrived = lp->is_initiator;
|
|
xpt_async(AC_CONTRACT, fc->path, &ac);
|
|
}
|
|
|
|
if ((cmd == ISPASYNC_DEV_CHANGED) &&
|
|
(crn_reset_done == 0))
|
|
isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
|
|
|
|
break;
|
|
}
|
|
case ISPASYNC_DEV_GONE:
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
lp = va_arg(ap, fcportdb_t *);
|
|
va_end(ap);
|
|
fc = ISP_FC_PC(isp, bus);
|
|
tgt = FC_PORTDB_TGT(isp, bus, lp);
|
|
/*
|
|
* If this has a virtual target or initiator set the isp_gdt
|
|
* timer running on it to delay its departure.
|
|
*/
|
|
isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
|
|
if (lp->is_target || lp->is_initiator) {
|
|
lp->state = FC_PORTDB_STATE_ZOMBIE;
|
|
lp->gone_timer = fc->gone_device_time;
|
|
isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
|
|
if (fc->ready && !callout_active(&fc->gdt)) {
|
|
isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_uptime);
|
|
callout_reset(&fc->gdt, hz, isp_gdt, fc);
|
|
}
|
|
break;
|
|
}
|
|
isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
|
|
break;
|
|
case ISPASYNC_CHANGE_NOTIFY:
|
|
{
|
|
char *msg;
|
|
int evt, nphdl, nlstate, portid, reason;
|
|
|
|
va_start(ap, cmd);
|
|
bus = va_arg(ap, int);
|
|
evt = va_arg(ap, int);
|
|
if (evt == ISPASYNC_CHANGE_PDB) {
|
|
nphdl = va_arg(ap, int);
|
|
nlstate = va_arg(ap, int);
|
|
reason = va_arg(ap, int);
|
|
} else if (evt == ISPASYNC_CHANGE_SNS) {
|
|
portid = va_arg(ap, int);
|
|
} else {
|
|
nphdl = NIL_HANDLE;
|
|
nlstate = reason = 0;
|
|
}
|
|
va_end(ap);
|
|
|
|
if (evt == ISPASYNC_CHANGE_PDB) {
|
|
int tgt_set = 0;
|
|
msg = "Port Database Changed";
|
|
isp_prt(isp, ISP_LOGINFO,
|
|
"Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
|
|
bus, msg, nphdl, nlstate, reason);
|
|
/*
|
|
* Port database syncs are not sufficient for
|
|
* determining that logins or logouts are done on the
|
|
* loop, but this information is directly available from
|
|
* the reason code from the incoming mbox. We must reset
|
|
* the fcp crn on these events according to FCP-4
|
|
*/
|
|
switch (reason) {
|
|
case PDB24XX_AE_IMPL_LOGO_1:
|
|
case PDB24XX_AE_IMPL_LOGO_2:
|
|
case PDB24XX_AE_IMPL_LOGO_3:
|
|
case PDB24XX_AE_PLOGI_RCVD:
|
|
case PDB24XX_AE_PRLI_RCVD:
|
|
case PDB24XX_AE_PRLO_RCVD:
|
|
case PDB24XX_AE_LOGO_RCVD:
|
|
case PDB24XX_AE_PLOGI_DONE:
|
|
case PDB24XX_AE_PRLI_DONE:
|
|
/*
|
|
* If the event is not global, twiddle tgt and
|
|
* tgt_set to nominate only the target
|
|
* associated with the nphdl.
|
|
*/
|
|
if (nphdl != PDB24XX_AE_GLOBAL) {
|
|
/* Break if we don't yet have the pdb */
|
|
if (!isp_find_pdb_by_handle(isp, bus, nphdl, &lp))
|
|
break;
|
|
tgt = FC_PORTDB_TGT(isp, bus, lp);
|
|
tgt_set = 1;
|
|
}
|
|
isp_fcp_reset_crn(isp, bus, tgt, tgt_set);
|
|
break;
|
|
default:
|
|
break; /* NOP */
|
|
}
|
|
} else if (evt == ISPASYNC_CHANGE_SNS) {
|
|
msg = "Name Server Database Changed";
|
|
isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
|
|
bus, msg, portid);
|
|
} else {
|
|
msg = "Other Change Notify";
|
|
isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
|
|
}
|
|
isp_loop_changed(isp, bus);
|
|
break;
|
|
}
|
|
#ifdef ISP_TARGET_MODE
|
|
case ISPASYNC_TARGET_NOTIFY:
|
|
{
|
|
isp_notify_t *notify;
|
|
va_start(ap, cmd);
|
|
notify = va_arg(ap, isp_notify_t *);
|
|
va_end(ap);
|
|
switch (notify->nt_ncode) {
|
|
case NT_ABORT_TASK:
|
|
case NT_ABORT_TASK_SET:
|
|
case NT_CLEAR_ACA:
|
|
case NT_CLEAR_TASK_SET:
|
|
case NT_LUN_RESET:
|
|
case NT_TARGET_RESET:
|
|
case NT_QUERY_TASK_SET:
|
|
case NT_QUERY_ASYNC_EVENT:
|
|
/*
|
|
* These are task management functions.
|
|
*/
|
|
isp_handle_platform_target_tmf(isp, notify);
|
|
break;
|
|
case NT_LIP_RESET:
|
|
case NT_LINK_UP:
|
|
case NT_LINK_DOWN:
|
|
case NT_HBA_RESET:
|
|
/*
|
|
* No action need be taken here.
|
|
*/
|
|
break;
|
|
case NT_SRR:
|
|
isp_handle_platform_srr(isp, notify);
|
|
break;
|
|
default:
|
|
isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
|
|
isp_handle_platform_target_notify_ack(isp, notify, 0);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case ISPASYNC_TARGET_NOTIFY_ACK:
|
|
{
|
|
void *inot;
|
|
va_start(ap, cmd);
|
|
inot = va_arg(ap, void *);
|
|
va_end(ap);
|
|
if (isp_notify_ack(isp, inot)) {
|
|
isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
|
|
if (tp) {
|
|
tp->isp = isp;
|
|
memcpy(tp->data, inot, sizeof (tp->data));
|
|
tp->not = tp->data;
|
|
callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
|
|
callout_reset(&tp->timer, 5,
|
|
isp_refire_notify_ack, tp);
|
|
} else {
|
|
isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case ISPASYNC_TARGET_ACTION:
|
|
{
|
|
isphdr_t *hp;
|
|
|
|
va_start(ap, cmd);
|
|
hp = va_arg(ap, isphdr_t *);
|
|
va_end(ap);
|
|
switch (hp->rqs_entry_type) {
|
|
case RQSTYPE_ATIO:
|
|
isp_handle_platform_atio7(isp, (at7_entry_t *)hp);
|
|
break;
|
|
case RQSTYPE_CTIO7:
|
|
isp_handle_platform_ctio(isp, (ct7_entry_t *)hp);
|
|
break;
|
|
default:
|
|
isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x",
|
|
__func__, hp->rqs_entry_type);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
case ISPASYNC_FW_CRASH:
|
|
{
|
|
uint16_t mbox1;
|
|
mbox1 = ISP_READ(isp, OUTMAILBOX1);
|
|
isp_prt(isp, ISP_LOGERR, "Internal Firmware Error @ RISC Address 0x%x", mbox1);
|
|
#if 0
|
|
isp_reinit(isp, 1);
|
|
isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
|
|
#endif
|
|
break;
|
|
}
|
|
default:
|
|
isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint64_t
|
|
isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
|
|
{
|
|
uint64_t seed;
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
/* First try to use explicitly configured WWNs. */
|
|
seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
|
|
if (seed)
|
|
return (seed);
|
|
|
|
/* Otherwise try to use WWNs from NVRAM. */
|
|
if (isactive) {
|
|
seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
|
|
FCPARAM(isp, chan)->isp_wwpn_nvram;
|
|
if (seed)
|
|
return (seed);
|
|
}
|
|
|
|
/* If still no WWNs, try to steal them from the first channel. */
|
|
if (chan > 0) {
|
|
seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
|
|
ISP_FC_PC(isp, 0)->def_wwpn;
|
|
if (seed == 0) {
|
|
seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
|
|
FCPARAM(isp, 0)->isp_wwpn_nvram;
|
|
}
|
|
}
|
|
|
|
/* If still nothing -- improvise. */
|
|
if (seed == 0) {
|
|
seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
|
|
if (!iswwnn)
|
|
seed ^= 0x0100000000000000ULL;
|
|
}
|
|
|
|
/* For additional channels we have to improvise even more. */
|
|
if (!iswwnn && chan > 0) {
|
|
/*
|
|
* We'll stick our channel number plus one first into bits
|
|
* 57..59 and thence into bits 52..55 which allows for 8 bits
|
|
* of channel which is enough for our maximum of 255 channels.
|
|
*/
|
|
seed ^= 0x0100000000000000ULL;
|
|
seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
|
|
seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
|
|
}
|
|
return (seed);
|
|
}
|
|
|
|
void
|
|
isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
|
|
{
|
|
int loc;
|
|
char lbuf[200];
|
|
va_list ap;
|
|
|
|
if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
|
|
return;
|
|
}
|
|
snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
|
|
loc = strlen(lbuf);
|
|
va_start(ap, fmt);
|
|
vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
|
|
va_end(ap);
|
|
printf("%s\n", lbuf);
|
|
}
|
|
|
|
void
|
|
isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
|
|
return;
|
|
}
|
|
xpt_print_path(xs->ccb_h.path);
|
|
va_start(ap, fmt);
|
|
vprintf(fmt, ap);
|
|
va_end(ap);
|
|
printf("\n");
|
|
}
|
|
|
|
uint64_t
|
|
isp_nanotime_sub(struct timespec *b, struct timespec *a)
|
|
{
|
|
uint64_t elapsed;
|
|
struct timespec x;
|
|
|
|
timespecsub(b, a, &x);
|
|
elapsed = GET_NANOSEC(&x);
|
|
if (elapsed == 0)
|
|
elapsed++;
|
|
return (elapsed);
|
|
}
|
|
|
|
int
|
|
isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
|
|
if (fc->fcbsy)
|
|
return (-1);
|
|
fc->fcbsy = 1;
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
isp_platform_intr(void *arg)
|
|
{
|
|
ispsoftc_t *isp = arg;
|
|
|
|
ISP_LOCK(isp);
|
|
ISP_RUN_ISR(isp);
|
|
ISP_UNLOCK(isp);
|
|
}
|
|
|
|
void
|
|
isp_platform_intr_resp(void *arg)
|
|
{
|
|
ispsoftc_t *isp = arg;
|
|
|
|
ISP_LOCK(isp);
|
|
isp_intr_respq(isp);
|
|
ISP_UNLOCK(isp);
|
|
|
|
/* We have handshake enabled, so explicitly complete interrupt */
|
|
ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
|
|
}
|
|
|
|
void
|
|
isp_platform_intr_atio(void *arg)
|
|
{
|
|
ispsoftc_t *isp = arg;
|
|
|
|
ISP_LOCK(isp);
|
|
#ifdef ISP_TARGET_MODE
|
|
isp_intr_atioq(isp);
|
|
#endif
|
|
ISP_UNLOCK(isp);
|
|
|
|
/* We have handshake enabled, so explicitly complete interrupt */
|
|
ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
|
|
}
|
|
|
|
typedef struct {
|
|
ispsoftc_t *isp;
|
|
struct ccb_scsiio *csio;
|
|
void *qe;
|
|
int error;
|
|
} mush_t;
|
|
|
|
static void
|
|
isp_dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
|
|
{
|
|
mush_t *mp = (mush_t *) arg;
|
|
ispsoftc_t *isp= mp->isp;
|
|
struct ccb_scsiio *csio = mp->csio;
|
|
bus_dmasync_op_t op;
|
|
|
|
if (error) {
|
|
mp->error = error;
|
|
return;
|
|
}
|
|
if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^
|
|
((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN))
|
|
op = BUS_DMASYNC_PREREAD;
|
|
else
|
|
op = BUS_DMASYNC_PREWRITE;
|
|
bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op);
|
|
|
|
mp->error = ISP_SEND_CMD(isp, mp->qe, dm_segs, nseg);
|
|
if (mp->error)
|
|
isp_dmafree(isp, csio);
|
|
}
|
|
|
|
int
|
|
isp_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *qe)
|
|
{
|
|
mush_t mp;
|
|
int error;
|
|
|
|
if (XS_XFRLEN(csio)) {
|
|
mp.isp = isp;
|
|
mp.csio = csio;
|
|
mp.qe = qe;
|
|
mp.error = 0;
|
|
error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
|
|
(union ccb *)csio, isp_dma2, &mp, BUS_DMA_NOWAIT);
|
|
if (error == 0)
|
|
error = mp.error;
|
|
} else {
|
|
error = ISP_SEND_CMD(isp, qe, NULL, 0);
|
|
}
|
|
switch (error) {
|
|
case 0:
|
|
case CMD_COMPLETE:
|
|
case CMD_EAGAIN:
|
|
case CMD_RQLATER:
|
|
break;
|
|
case ENOMEM:
|
|
error = CMD_EAGAIN;
|
|
break;
|
|
case EINVAL:
|
|
case EFBIG:
|
|
csio->ccb_h.status = CAM_REQ_INVALID;
|
|
error = CMD_COMPLETE;
|
|
break;
|
|
default:
|
|
csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
|
|
error = CMD_COMPLETE;
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
void
|
|
isp_dmafree(ispsoftc_t *isp, struct ccb_scsiio *csio)
|
|
{
|
|
bus_dmasync_op_t op;
|
|
|
|
if (XS_XFRLEN(csio) == 0)
|
|
return;
|
|
|
|
if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^
|
|
((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN))
|
|
op = BUS_DMASYNC_POSTREAD;
|
|
else
|
|
op = BUS_DMASYNC_POSTWRITE;
|
|
bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, op);
|
|
bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
|
|
}
|
|
|
|
/*
|
|
* Reset the command reference number for all LUNs on a specific target
|
|
* (needed when a target arrives again) or for all targets on a port
|
|
* (needed for events like a LIP).
|
|
*/
|
|
void
|
|
isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
|
|
{
|
|
struct isp_fc *fc = ISP_FC_PC(isp, chan);
|
|
struct isp_nexus *nxp;
|
|
int i;
|
|
|
|
if (tgt_set == 0)
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"Chan %d resetting CRN on all targets", chan);
|
|
else
|
|
isp_prt(isp, ISP_LOGDEBUG0,
|
|
"Chan %d resetting CRN on target %u", chan, tgt);
|
|
|
|
for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
|
|
for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
|
|
if (tgt_set == 0 || tgt == nxp->tgt)
|
|
nxp->crnseed = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
|
|
{
|
|
lun_id_t lun;
|
|
uint32_t chan, tgt;
|
|
struct isp_fc *fc;
|
|
struct isp_nexus *nxp;
|
|
int idx;
|
|
|
|
chan = XS_CHANNEL(cmd);
|
|
tgt = XS_TGT(cmd);
|
|
lun = XS_LUN(cmd);
|
|
fc = ISP_FC_PC(isp, chan);
|
|
idx = NEXUS_HASH(tgt, lun);
|
|
nxp = fc->nexus_hash[idx];
|
|
|
|
while (nxp) {
|
|
if (nxp->tgt == tgt && nxp->lun == lun)
|
|
break;
|
|
nxp = nxp->next;
|
|
}
|
|
if (nxp == NULL) {
|
|
nxp = fc->nexus_free_list;
|
|
if (nxp == NULL) {
|
|
nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
|
|
if (nxp == NULL) {
|
|
return (-1);
|
|
}
|
|
} else {
|
|
fc->nexus_free_list = nxp->next;
|
|
}
|
|
nxp->tgt = tgt;
|
|
nxp->lun = lun;
|
|
nxp->next = fc->nexus_hash[idx];
|
|
fc->nexus_hash[idx] = nxp;
|
|
}
|
|
if (nxp->crnseed == 0)
|
|
nxp->crnseed = 1;
|
|
*crnp = nxp->crnseed++;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* We enter with the lock held
|
|
*/
|
|
void
|
|
isp_timer(void *arg)
|
|
{
|
|
ispsoftc_t *isp = arg;
|
|
#ifdef ISP_TARGET_MODE
|
|
isp_tmcmd_restart(isp);
|
|
#endif
|
|
callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
|
|
}
|
|
|
|
#ifdef ISP_TARGET_MODE
|
|
isp_ecmd_t *
|
|
isp_get_ecmd(ispsoftc_t *isp)
|
|
{
|
|
isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
|
|
if (ecmd) {
|
|
isp->isp_osinfo.ecmd_free = ecmd->next;
|
|
}
|
|
return (ecmd);
|
|
}
|
|
|
|
void
|
|
isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
|
|
{
|
|
ecmd->next = isp->isp_osinfo.ecmd_free;
|
|
isp->isp_osinfo.ecmd_free = ecmd;
|
|
}
|
|
#endif
|