void
ic_destroy(isc_session_t *sp )
{
debug_called(8);
if(sp->cam_path != NULL) {
sdebug(2, "name=%s unit=%d",
cam_sim_name(sp->cam_sim), cam_sim_unit(sp->cam_sim));
CAM_LOCK(sp);
#if 0
xpt_async(AC_LOST_DEVICE, sp->cam_path, NULL);
#else
xpt_async(XPT_RESET_BUS, sp->cam_path, NULL);
#endif
xpt_free_path(sp->cam_path);
xpt_bus_deregister(cam_sim_path(sp->cam_sim));
cam_sim_free(sp->cam_sim, TRUE /*free_devq*/);
CAM_UNLOCK(sp);
sdebug(2, "done");
}
}
int
ic_init(isc_session_t *sp)
{
struct cam_sim *sim;
struct cam_devq *devq;
debug_called(8);
if((devq = cam_simq_alloc(256)) == NULL)
return ENOMEM;
#if __FreeBSD_version >= 700000
mtx_init(&sp->cam_mtx, "isc-cam", NULL, MTX_DEF);
#else
isp->cam_mtx = Giant;
#endif
sim = cam_sim_alloc(ic_action,
ic_poll,
"iscsi",
sp,
sp->sid, // unit
#if __FreeBSD_version >= 700000
&sp->cam_mtx,
#endif
1, // max_dev_transactions
0, // max_tagged_dev_transactions
devq);
if(sim == NULL) {
cam_simq_free(devq);
#if __FreeBSD_version >= 700000
mtx_destroy(&sp->cam_mtx);
#endif
return ENXIO;
}
CAM_LOCK(sp);
if(xpt_bus_register(sim,
#if __FreeBSD_version >= 700000
NULL,
#endif
0/*bus_number*/) != CAM_SUCCESS) {
cam_sim_free(sim, /*free_devq*/TRUE);
CAM_UNLOCK(sp);
#if __FreeBSD_version >= 700000
mtx_destroy(&sp->cam_mtx);
#endif
return ENXIO;
}
sp->cam_sim = sim;
if(xpt_create_path(&sp->cam_path, NULL, cam_sim_path(sp->cam_sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_bus_deregister(cam_sim_path(sp->cam_sim));
cam_sim_free(sim, /*free_devq*/TRUE);
CAM_UNLOCK(sp);
#if __FreeBSD_version >= 700000
mtx_destroy(&sp->cam_mtx);
#endif
return ENXIO;
}
CAM_UNLOCK(sp);
sdebug(1, "cam subsystem initialized");
ic_scan(sp);
return 0;
}