Differential D26750 Diff 78381 head/sys/dev/iscsi/iscsi.c

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head/sys/dev/iscsi/iscsi.c

Show First 20 Lines • Show All 361 Lines • ▼ Show 20 Lines	iscsi_session_cleanup(struct iscsi_session *is, bool destroy_sim)

if (is->is_sim == NULL)		if (is->is_sim == NULL)
return;		return;

ISCSI_SESSION_DEBUG(is, "deregistering SIM");		ISCSI_SESSION_DEBUG(is, "deregistering SIM");
xpt_async(AC_LOST_DEVICE, is->is_path, NULL);		xpt_async(AC_LOST_DEVICE, is->is_path, NULL);

if (is->is_simq_frozen) {		if (is->is_simq_frozen) {
xpt_release_simq(is->is_sim, 1);
is->is_simq_frozen = false;		is->is_simq_frozen = false;
		xpt_release_simq(is->is_sim, 1);
}		}

xpt_free_path(is->is_path);		xpt_free_path(is->is_path);
is->is_path = NULL;		is->is_path = NULL;
xpt_bus_deregister(cam_sim_path(is->is_sim));		xpt_bus_deregister(cam_sim_path(is->is_sim));
cam_sim_free(is->is_sim, TRUE /free_devq/);		cam_sim_free(is->is_sim, TRUE /free_devq/);
is->is_sim = NULL;		is->is_sim = NULL;
is->is_devq = NULL;		is->is_devq = NULL;
▲ Show 20 Lines • Show All 1,094 Lines • ▼ Show 20 Lines	iscsi_ioctl_daemon_handoff(struct iscsi_softc *sc,

if (is->is_sim != NULL) {		if (is->is_sim != NULL) {
/*		/*
* When reconnecting, there already is SIM allocated for the session.		* When reconnecting, there already is SIM allocated for the session.
*/		*/
KASSERT(is->is_simq_frozen, ("reconnect without frozen simq"));		KASSERT(is->is_simq_frozen, ("reconnect without frozen simq"));
ISCSI_SESSION_LOCK(is);		ISCSI_SESSION_LOCK(is);
ISCSI_SESSION_DEBUG(is, "releasing");		ISCSI_SESSION_DEBUG(is, "releasing");
xpt_release_simq(is->is_sim, 1);
is->is_simq_frozen = false;		is->is_simq_frozen = false;
		xpt_release_simq(is->is_sim, 1);
ISCSI_SESSION_UNLOCK(is);		ISCSI_SESSION_UNLOCK(is);

} else {		} else {
ISCSI_SESSION_LOCK(is);		ISCSI_SESSION_LOCK(is);
is->is_devq = cam_simq_alloc(ic->ic_maxtags);		is->is_devq = cam_simq_alloc(ic->ic_maxtags);
if (is->is_devq == NULL) {		if (is->is_devq == NULL) {
ISCSI_SESSION_WARN(is, "failed to allocate simq");		ISCSI_SESSION_WARN(is, "failed to allocate simq");
iscsi_session_terminate(is);		iscsi_session_terminate(is);
▲ Show 20 Lines • Show All 854 Lines • ▼ Show 20 Lines	iscsi_action(struct cam_sim sim, union ccb ccb)

is = cam_sim_softc(sim);		is = cam_sim_softc(sim);

ISCSI_SESSION_LOCK_ASSERT(is);		ISCSI_SESSION_LOCK_ASSERT(is);

if (is->is_terminating \|\|		if (is->is_terminating \|\|
(is->is_connected == false && fail_on_disconnection)) {		(is->is_connected == false && fail_on_disconnection)) {
ccb->ccb_h.status = CAM_DEV_NOT_THERE;		ccb->ccb_h.status = CAM_DEV_NOT_THERE;
		xpt_done(ccb);
		return;
		}

		/*
		* Make sure CAM doesn't sneak in a CCB just after freezing the queue.
		*/
		if (is->is_simq_frozen == true) {
		ccb->ccb_h.status &= ~(CAM_SIM_QUEUED \| CAM_STATUS_MASK);
		ccb->ccb_h.status \|= CAM_REQUEUE_REQ;
		/* Don't freeze the devq - the SIM queue is already frozen. */
xpt_done(ccb);		xpt_done(ccb);
return;		return;
}		}

switch (ccb->ccb_h.func_code) {		switch (ccb->ccb_h.func_code) {
case XPT_PATH_INQ:		case XPT_PATH_INQ:
{		{
struct ccb_pathinq *cpi = &ccb->cpi;		struct ccb_pathinq *cpi = &ccb->cpi;
▲ Show 20 Lines • Show All 252 Lines • Show Last 20 Lines