static void
dmar_release_resources(device_t dev, struct dmar_unit *unit)
{
int i;
dmar_fini_busdma(unit);
dmar_fini_irt(unit);
dmar_fini_qi(unit);
dmar_fini_fault_log(unit);
for (i = 0; i < DMAR_INTR_TOTAL; i++)
dmar_release_intr(dev, unit, i);
if (unit->regs != NULL) {
bus_deactivate_resource(dev, SYS_RES_MEMORY, unit->reg_rid,
unit->regs);
bus_release_resource(dev, SYS_RES_MEMORY, unit->reg_rid,
unit->regs);
unit->regs = NULL;
}
if (unit->domids != NULL) {
delete_unrhdr(unit->domids);
unit->domids = NULL;
}
if (unit->ctx_obj != NULL) {
vm_object_deallocate(unit->ctx_obj);
unit->ctx_obj = NULL;
}
}
/*
* Tear down fileno bitmap
*/
void
pfs_fileno_uninit(struct pfs_info *pi)
{
delete_unrhdr(pi->pi_unrhdr);
pi->pi_unrhdr = NULL;
mtx_destroy(&pi->pi_mutex);
}
/*
* Tear down fileno bitmap
*/
void
pfs_fileno_uninit(struct pfs_info *pi)
{
mtx_assert(&Giant, MA_OWNED);
delete_unrhdr(pi->pi_unrhdr);
pi->pi_unrhdr = NULL;
mtx_destroy(&pi->pi_mutex);
}
void
drm_gem_destroy(struct drm_device *dev)
{
struct drm_gem_mm *mm = dev->mm_private;
dev->mm_private = NULL;
drm_ht_remove(&mm->offset_hash);
delete_unrhdr(mm->idxunr);
free(mm, DRM_MEM_DRIVER);
drm_gem_names_fini(&dev->object_names);
}
static void
ucom_uninit(void *arg)
{
struct unrhdr *hdr;
hdr = ucom_unrhdr;
ucom_unrhdr = NULL;
DPRINTF("\n");
if (hdr != NULL)
delete_unrhdr(hdr);
mtx_destroy(&ucom_mtx);
}
static void
ucom_uninit(void *arg)
{
struct unrhdr *hdr;
hdr = ucom_unrhdr;
ucom_unrhdr = NULL;
DPRINTF("\n");
if (hdr != NULL)
delete_unrhdr(hdr);
lockuninit(&ucom_lock);
}
void
drm_gem_names_fini(struct drm_gem_names *names)
{
struct drm_gem_name *np;
int i;
mtx_lock(&names->lock);
for (i = 0; i <= names->hash_mask; i++) {
while ((np = LIST_FIRST(&names->names_hash[i])) != NULL) {
drm_gem_names_delete_name(names, np);
mtx_lock(&names->lock);
}
}
mtx_unlock(&names->lock);
mtx_destroy(&names->lock);
hashdestroy(names->names_hash, M_GEM_NAMES, names->hash_mask);
delete_unrhdr(names->unr);
}
static int
uhso_driver_loaded(struct module *mod, int what, void *arg)
{
switch (what) {
case MOD_LOAD:
/* register our autoinstall handler */
uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured,
uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY);
/* create our unit allocator for inet devs */
uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL);
break;
case MOD_UNLOAD:
EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag);
delete_unrhdr(uhso_ifnet_unit);
break;
default:
return (EOPNOTSUPP);
}
return (0);
}
static int
dtrace_unload()
{
dtrace_state_t *state;
int error = 0;
#if __FreeBSD_version < 800039
/*
* Check if there is still an event handler callback
* registered.
*/
if (eh_tag != 0) {
/* De-register the device cloning event handler. */
EVENTHANDLER_DEREGISTER(dev_clone, eh_tag);
eh_tag = 0;
/* Stop device cloning. */
clone_cleanup(&dtrace_clones);
}
#else
destroy_dev(dtrace_dev);
destroy_dev(helper_dev);
#endif
mutex_enter(&dtrace_provider_lock);
mutex_enter(&dtrace_lock);
mutex_enter(&cpu_lock);
ASSERT(dtrace_opens == 0);
if (dtrace_helpers > 0) {
mutex_exit(&cpu_lock);
mutex_exit(&dtrace_lock);
mutex_exit(&dtrace_provider_lock);
return (EBUSY);
}
if (dtrace_unregister((dtrace_provider_id_t)dtrace_provider) != 0) {
mutex_exit(&cpu_lock);
mutex_exit(&dtrace_lock);
mutex_exit(&dtrace_provider_lock);
return (EBUSY);
}
dtrace_provider = NULL;
if ((state = dtrace_anon_grab()) != NULL) {
/*
* If there were ECBs on this state, the provider should
* have not been allowed to detach; assert that there is
* none.
*/
ASSERT(state->dts_necbs == 0);
dtrace_state_destroy(state);
}
bzero(&dtrace_anon, sizeof (dtrace_anon_t));
mutex_exit(&cpu_lock);
if (dtrace_helptrace_enabled) {
kmem_free(dtrace_helptrace_buffer, 0);
dtrace_helptrace_buffer = NULL;
}
if (dtrace_probes != NULL) {
kmem_free(dtrace_probes, 0);
dtrace_probes = NULL;
dtrace_nprobes = 0;
}
dtrace_hash_destroy(dtrace_bymod);
dtrace_hash_destroy(dtrace_byfunc);
dtrace_hash_destroy(dtrace_byname);
dtrace_bymod = NULL;
dtrace_byfunc = NULL;
dtrace_byname = NULL;
kmem_cache_destroy(dtrace_state_cache);
delete_unrhdr(dtrace_arena);
if (dtrace_toxrange != NULL) {
kmem_free(dtrace_toxrange, 0);
dtrace_toxrange = NULL;
dtrace_toxranges = 0;
dtrace_toxranges_max = 0;
}
ASSERT(dtrace_vtime_references == 0);
ASSERT(dtrace_opens == 0);
ASSERT(dtrace_retained == NULL);
mutex_exit(&dtrace_lock);
mutex_exit(&dtrace_provider_lock);
mutex_destroy(&dtrace_meta_lock);
mutex_destroy(&dtrace_provider_lock);
mutex_destroy(&dtrace_lock);
mutex_destroy(&dtrace_errlock);
/* XXX Hack */
mutex_destroy(&mod_lock);
/* Reset our hook for exceptions. */
dtrace_invop_uninit();
/*
* Reset our hook for thread switches, but ensure that vtime isn't
* active first.
*/
dtrace_vtime_active = 0;
dtrace_vtime_switch_func = NULL;
/* Unhook from the trap handler. */
dtrace_trap_func = NULL;
return (error);
}
