int
ata_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
device_t *children;
int nchildren, i;
/* check that we have a valid channel to detach */
if (!ch->r_irq)
return ENXIO;
/* grap the channel lock so no new requests gets launched */
lockmgr(&ch->state_mtx, LK_EXCLUSIVE);
ch->state |= ATA_STALL_QUEUE;
lockmgr(&ch->state_mtx, LK_RELEASE);
/* detach & delete all children */
if (!device_get_children(dev, &children, &nchildren)) {
for (i = 0; i < nchildren; i++)
if (children[i])
device_delete_child(dev, children[i]);
kfree(children, M_TEMP);
}
/* release resources */
bus_teardown_intr(dev, ch->r_irq, ch->ih);
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
ch->r_irq = NULL;
lockuninit(&ch->state_mtx);
lockuninit(&ch->queue_mtx);
return 0;
}
int
ubt_detach(device_t dev)
{
struct ubt_softc *sc = device_get_softc(dev);
node_p node = sc->sc_node;
/* Destroy Netgraph node */
if (node != NULL) {
sc->sc_node = NULL;
NG_NODE_REALLY_DIE(node);
ng_rmnode_self(node);
}
/* Make sure ubt_task in gone */
taskqueue_drain(taskqueue_swi, &sc->sc_task);
/* Free USB transfers, if any */
usbd_transfer_unsetup(sc->sc_xfer, UBT_N_TRANSFER);
/* Destroy queues */
UBT_NG_LOCK(sc);
NG_BT_MBUFQ_DESTROY(&sc->sc_cmdq);
NG_BT_MBUFQ_DESTROY(&sc->sc_aclq);
NG_BT_MBUFQ_DESTROY(&sc->sc_scoq);
UBT_NG_UNLOCK(sc);
lockuninit(&sc->sc_if_lock);
lockuninit(&sc->sc_ng_lock);
return (0);
} /* ubt_detach */
/*
* Release the resources allocated by cmx_allocate_resources.
*/
void
cmx_release_resources(device_t dev)
{
struct cmx_softc *sc = device_get_softc(dev);
lockuninit(&sc->mtx);
#ifdef CMX_INTR
if (sc->ih) {
bus_teardown_intr(dev, sc->irq, sc->ih);
sc->ih = NULL;
}
if (sc->irq) {
bus_release_resource(dev, SYS_RES_IRQ,
sc->irq_rid, sc->irq);
sc->irq = NULL;
}
#endif
if (sc->ioport) {
bus_deactivate_resource(dev, SYS_RES_IOPORT,
sc->ioport_rid, sc->ioport);
bus_release_resource(dev, SYS_RES_IOPORT,
sc->ioport_rid, sc->ioport);
sc->ioport = NULL;
}
return;
}
static int
ndisusb_detach(device_t self)
{
int i;
struct ndis_softc *sc = device_get_softc(self);
struct ndisusb_ep *ne;
sc->ndisusb_status |= NDISUSB_STATUS_DETACH;
ndis_pnpevent_nic(self, NDIS_PNP_EVENT_SURPRISE_REMOVED);
if (sc->ndisusb_status & NDISUSB_STATUS_SETUP_EP) {
usbd_transfer_unsetup(sc->ndisusb_dread_ep.ne_xfer, 1);
usbd_transfer_unsetup(sc->ndisusb_dwrite_ep.ne_xfer, 1);
}
for (i = 0; i < NDISUSB_ENDPT_MAX; i++) {
ne = &sc->ndisusb_ep[i];
usbd_transfer_unsetup(ne->ne_xfer, 1);
}
(void)ndis_detach(self);
lockuninit(&sc->ndisusb_lock);
return (0);
}
static
int
ig4iic_pci_detach(device_t dev)
{
ig4iic_softc_t *sc = device_get_softc(dev);
int error;
if (sc->pci_attached) {
error = ig4iic_detach(sc);
if (error)
return error;
sc->pci_attached = 0;
}
if (sc->intr_res) {
bus_release_resource(dev, SYS_RES_IRQ,
sc->intr_rid, sc->intr_res);
sc->intr_res = NULL;
}
if (sc->intr_type == PCI_INTR_TYPE_MSI)
pci_release_msi(dev);
if (sc->regs_res) {
bus_release_resource(dev, SYS_RES_MEMORY,
sc->regs_rid, sc->regs_res);
sc->regs_res = NULL;
}
sc->regs_t = 0;
sc->regs_h = 0;
lockuninit(&sc->lk);
return 0;
}
static void
nukepark(void *obj, void *privdata)
{
struct puffs_msgpark *park = obj;
cv_destroy(&park->park_cv);
lockuninit(&park->park_mtx);
}
void drm_global_release(void)
{
int i;
for (i = 0; i < DRM_GLOBAL_NUM; ++i) {
struct drm_global_item *item = &glob[i];
KKASSERT(item->object == NULL);
KKASSERT(item->refcount == 0);
lockuninit(&item->mutex);
}
}
/*
* Destroy all variables in table_head
*/
void
dm_table_head_destroy(dm_table_head_t * head)
{
KKASSERT(lockcount(&head->table_mtx) == 0);
/* tables doens't exists when I call this routine, therefore it
* doesn't make sense to have io_cnt != 0 */
KKASSERT(head->io_cnt == 0);
lockuninit(&head->table_mtx);
}
/*------------------------------------------------------------------------*
* usb_bus_mem_free_all - factored out code
*------------------------------------------------------------------------*/
void
usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb)
{
#if USB_HAVE_BUSDMA
if (cb) {
cb(bus, &usb_bus_mem_free_all_cb);
}
usb_dma_tag_unsetup(bus->dma_parent_tag);
#endif
lockuninit(&bus->bus_lock);
}
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);
}
static int
ipheth_detach(device_t dev)
{
struct ipheth_softc *sc = device_get_softc(dev);
struct usb_ether *ue = &sc->sc_ue;
/* stop all USB transfers first */
usbd_transfer_unsetup(sc->sc_xfer, IPHETH_N_TRANSFER);
uether_ifdetach(ue);
lockuninit(&sc->sc_lock);
return (0);
}
int
ichsmb_detach(device_t dev)
{
const sc_p sc = device_get_softc(dev);
int error;
error = bus_generic_detach(dev);
if (error)
return (error);
device_delete_child(dev, sc->smb);
ichsmb_release_resources(sc);
lockuninit(&sc->mutex);
return 0;
}
/*
* Terminate a thread. This function will silently return if the thread
* was never initialized or has already been deleted.
*
* This is accomplished by setting the STOP flag and waiting for the td
* structure to become NULL.
*/
void
hammer2_thr_delete(hammer2_thread_t *thr)
{
if (thr->td == NULL)
return;
lockmgr(&thr->lk, LK_EXCLUSIVE);
atomic_set_int(&thr->flags, HAMMER2_THREAD_STOP);
wakeup(&thr->flags);
while (thr->td) {
lksleep(thr, &thr->lk, 0, "h2thr", hz);
}
lockmgr(&thr->lk, LK_RELEASE);
thr->pmp = NULL;
lockuninit(&thr->lk);
}
static int
alpm_detach(device_t dev)
{
struct alpm_softc *alpm = device_get_softc(dev);
if (alpm->smbus) {
device_delete_child(dev, alpm->smbus);
alpm->smbus = NULL;
}
lockuninit(&alpm->lock);
if (alpm->res)
bus_release_resource(dev, SYS_RES_IOPORT, SMBBA, alpm->res);
return (0);
}
/*
* Stop the OS-specific port helper thread and kill the per-port lock.
*/
void
sili_os_stop_port(struct sili_port *ap)
{
if (ap->ap_thread) {
sili_os_signal_port_thread(ap, AP_SIGF_STOP);
sili_os_sleep(10);
if (ap->ap_thread) {
kprintf("%s: Waiting for thread to terminate\n",
PORTNAME(ap));
while (ap->ap_thread)
sili_os_sleep(100);
kprintf("%s: thread terminated\n",
PORTNAME(ap));
}
}
lockuninit(&ap->ap_lock);
}
/*
* Function name: tw_osli_cam_detach
* Description: Detaches the driver from CAM.
*
* Input: sc -- ptr to OSL internal ctlr context
* Output: None
* Return value: None
*/
TW_VOID
tw_osli_cam_detach(struct twa_softc *sc)
{
tw_osli_dbg_dprintf(3, sc, "entered");
lockmgr(sc->sim_lock, LK_EXCLUSIVE);
if (sc->path)
xpt_free_path(sc->path);
if (sc->sim) {
xpt_bus_deregister(cam_sim_path(sc->sim));
/* Passing TRUE to cam_sim_free will free the devq as well. */
cam_sim_free(sc->sim);
}
/* It's ok have 1 hold count while destroying the mutex */
lockuninit(sc->sim_lock);
}
static int
amdsmb_detach(device_t dev)
{
struct amdsmb_softc *amdsmb_sc = device_get_softc(dev);
if (amdsmb_sc->smbus) {
device_delete_child(dev, amdsmb_sc->smbus);
amdsmb_sc->smbus = NULL;
}
lockuninit(&amdsmb_sc->lock);
if (amdsmb_sc->res)
bus_release_resource(dev, SYS_RES_IOPORT, amdsmb_sc->rid,
amdsmb_sc->res);
return (0);
}
static int
g_modem_detach(device_t dev)
{
struct g_modem_softc *sc = device_get_softc(dev);
DPRINTF("\n");
lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
usb_callout_stop(&sc->sc_callout);
usb_callout_stop(&sc->sc_watchdog);
lockmgr(&sc->sc_lock, LK_RELEASE);
usbd_transfer_unsetup(sc->sc_xfer, G_MODEM_N_TRANSFER);
usb_callout_drain(&sc->sc_callout);
usb_callout_drain(&sc->sc_watchdog);
lockuninit(&sc->sc_lock);
return (0);
}
/*
* Handle attach-time duties that are independent of the bus
* our device lives on.
*/
int
ichsmb_attach(device_t dev)
{
const sc_p sc = device_get_softc(dev);
int error;
/* Create mutex */
lockinit(&sc->mutex, "ichsmb", 0, LK_CANRECURSE);
/* Add child: an instance of the "smbus" device */
if ((sc->smb = device_add_child(dev, DRIVER_SMBUS, -1)) == NULL) {
device_printf(dev, "no \"%s\" child found\n", DRIVER_SMBUS);
error = ENXIO;
goto fail;
}
/* Clear interrupt conditions */
bus_write_1(sc->io_res, ICH_HST_STA, 0xff);
/* Set up interrupt handler */
error = bus_setup_intr(dev, sc->irq_res, 0,
ichsmb_device_intr, sc, &sc->irq_handle, NULL);
if (error != 0) {
device_printf(dev, "can't setup irq\n");
goto fail;
}
/* Attach "smbus" child */
if ((error = bus_generic_attach(dev)) != 0) {
device_printf(dev, "failed to attach child: %d\n", error);
goto fail;
}
return (0);
fail:
lockuninit(&sc->mutex);
return (error);
}
static int
intsmb_detach(device_t dev)
{
struct intsmb_softc *sc = device_get_softc(dev);
int error;
error = bus_generic_detach(dev);
if (error)
return (error);
if (sc->smbus)
device_delete_child(dev, sc->smbus);
if (sc->irq_hand)
bus_teardown_intr(dev, sc->irq_res, sc->irq_hand);
if (sc->irq_res)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->io_res)
bus_release_resource(dev, SYS_RES_IOPORT, PCI_BASE_ADDR_SMB,
sc->io_res);
lockuninit(&sc->lock);
return (0);
}
/*
* Stop the OS-specific port helper thread and kill the per-port lock.
*/
void
ahci_os_stop_port(struct ahci_port *ap)
{
if (ap->sysctl_tree) {
sysctl_ctx_free(&ap->sysctl_ctx);
ap->sysctl_tree = NULL;
}
if (ap->ap_thread) {
ahci_os_signal_port_thread(ap, AP_SIGF_STOP);
ahci_os_sleep(10);
if (ap->ap_thread) {
kprintf("%s: Waiting for thread to terminate\n",
PORTNAME(ap));
while (ap->ap_thread)
ahci_os_sleep(100);
kprintf("%s: thread terminated\n",
PORTNAME(ap));
}
}
lockuninit(&ap->ap_lock);
}
/*
* Function name: tw_osli_free_resources
* Description: Performs clean-up at the time of going down.
*
* Input: sc -- ptr to OSL internal ctlr context
* Output: None
* Return value: None
*/
static TW_VOID
tw_osli_free_resources(struct twa_softc *sc)
{
struct tw_osli_req_context *req;
TW_INT32 error = 0;
tw_osli_dbg_dprintf(3, sc, "entered");
/* Detach from CAM */
tw_osli_cam_detach(sc);
if (sc->req_ctx_buf)
while ((req = tw_osli_req_q_remove_head(sc, TW_OSLI_FREE_Q)) !=
NULL) {
lockuninit(req->ioctl_wake_timeout_lock);
if ((error = bus_dmamap_destroy(sc->dma_tag,
req->dma_map)))
tw_osli_dbg_dprintf(1, sc,
"dmamap_destroy(dma) returned %d",
error);
}
if ((sc->ioctl_tag) && (sc->ioctl_map))
if ((error = bus_dmamap_destroy(sc->ioctl_tag, sc->ioctl_map)))
tw_osli_dbg_dprintf(1, sc,
"dmamap_destroy(ioctl) returned %d", error);
/* Free all memory allocated so far. */
if (sc->req_ctx_buf)
kfree(sc->req_ctx_buf, TW_OSLI_MALLOC_CLASS);
if (sc->non_dma_mem)
kfree(sc->non_dma_mem, TW_OSLI_MALLOC_CLASS);
if (sc->dma_mem) {
bus_dmamap_unload(sc->cmd_tag, sc->cmd_map);
bus_dmamem_free(sc->cmd_tag, sc->dma_mem,
sc->cmd_map);
}
if (sc->cmd_tag)
if ((error = bus_dma_tag_destroy(sc->cmd_tag)))
tw_osli_dbg_dprintf(1, sc,
"dma_tag_destroy(cmd) returned %d", error);
if (sc->dma_tag)
if ((error = bus_dma_tag_destroy(sc->dma_tag)))
tw_osli_dbg_dprintf(1, sc,
"dma_tag_destroy(dma) returned %d", error);
if (sc->ioctl_tag)
if ((error = bus_dma_tag_destroy(sc->ioctl_tag)))
tw_osli_dbg_dprintf(1, sc,
"dma_tag_destroy(ioctl) returned %d", error);
if (sc->parent_tag)
if ((error = bus_dma_tag_destroy(sc->parent_tag)))
tw_osli_dbg_dprintf(1, sc,
"dma_tag_destroy(parent) returned %d", error);
/* Disconnect the interrupt handler. */
if ((error = twa_teardown_intr(sc)))
tw_osli_dbg_dprintf(1, sc,
"teardown_intr returned %d", error);
if (sc->irq_res != NULL)
if ((error = bus_release_resource(sc->bus_dev,
SYS_RES_IRQ, sc->irq_res_id, sc->irq_res)))
tw_osli_dbg_dprintf(1, sc,
"release_resource(irq) returned %d", error);
if (sc->irq_type == PCI_INTR_TYPE_MSI)
pci_release_msi(sc->bus_dev);
/* Release the register window mapping. */
if (sc->reg_res != NULL)
if ((error = bus_release_resource(sc->bus_dev,
SYS_RES_MEMORY, sc->reg_res_id, sc->reg_res)))
tw_osli_dbg_dprintf(1, sc,
"release_resource(io) returned %d", error);
/* Destroy the control device. */
if (sc->ctrl_dev != NULL)
destroy_dev(sc->ctrl_dev);
dev_ops_remove_minor(&twa_ops, device_get_unit(sc->bus_dev));
}
static int
tws_detach(device_t dev)
{
struct tws_softc *sc = device_get_softc(dev);
int error, i;
u_int32_t reg;
TWS_TRACE_DEBUG(sc, "entry", 0, 0);
lockmgr(&sc->gen_lock, LK_EXCLUSIVE);
tws_send_event(sc, TWS_UNINIT_START);
lockmgr(&sc->gen_lock, LK_RELEASE);
/* needs to disable interrupt before detaching from cam */
tws_turn_off_interrupts(sc);
/* clear door bell */
tws_write_reg(sc, TWS_I2O0_HOBDBC, ~0, 4);
reg = tws_read_reg(sc, TWS_I2O0_HIMASK, 4);
TWS_TRACE_DEBUG(sc, "turn-off-intr", reg, 0);
sc->obfl_q_overrun = false;
tws_init_connect(sc, 1);
/* Teardown the state in our softc created in our attach routine. */
/* Disconnect the interrupt handler. */
for(i=0;i<sc->irqs;i++) {
if (sc->intr_handle[i]) {
if ((error = bus_teardown_intr(sc->tws_dev,
sc->irq_res[i], sc->intr_handle[i])))
TWS_TRACE(sc, "bus teardown intr", 0, error);
}
}
/* Release irq resource */
for(i=0;i<sc->irqs;i++) {
if ( sc->irq_res[i] ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_IRQ, sc->irq_res_id[i], sc->irq_res[i]))
TWS_TRACE(sc, "bus release irq resource",
i, sc->irq_res_id[i]);
}
}
if ( sc->intr_type == TWS_MSI ) {
pci_release_msi(sc->tws_dev);
}
tws_cam_detach(sc);
/* Release memory resource */
if ( sc->mfa_res ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_MEMORY, sc->mfa_res_id, sc->mfa_res))
TWS_TRACE(sc, "bus release mem resource", 0, sc->mfa_res_id);
}
if ( sc->reg_res ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_MEMORY, sc->reg_res_id, sc->reg_res))
TWS_TRACE(sc, "bus release mem resource", 0, sc->reg_res_id);
}
kfree(sc->reqs, M_TWS);
kfree(sc->sense_bufs, M_TWS);
kfree(sc->scan_ccb, M_TWS);
kfree(sc->aen_q.q, M_TWS);
kfree(sc->trace_q.q, M_TWS);
lockuninit(&sc->q_lock);
lockuninit(&sc->sim_lock);
lockuninit(&sc->gen_lock);
lockuninit(&sc->io_lock);
destroy_dev(sc->tws_cdev);
dev_ops_remove_minor(&tws_ops, device_get_unit(sc->tws_dev));
sysctl_ctx_free(&sc->tws_clist);
return (0);
}
static int
tws_attach(device_t dev)
{
struct tws_softc *sc = device_get_softc(dev);
u_int32_t cmd, bar;
int error=0,i;
/* no tracing yet */
/* Look up our softc and initialize its fields. */
sc->tws_dev = dev;
sc->device_id = pci_get_device(dev);
sc->subvendor_id = pci_get_subvendor(dev);
sc->subdevice_id = pci_get_subdevice(dev);
/* Intialize mutexes */
lockinit(&sc->q_lock, "tws_q_lock", 0, LK_CANRECURSE);
lockinit(&sc->sim_lock, "tws_sim_lock", 0, LK_CANRECURSE);
lockinit(&sc->gen_lock, "tws_gen_lock", 0, LK_CANRECURSE);
lockinit(&sc->io_lock, "tws_io_lock", 0, LK_CANRECURSE);
if ( tws_init_trace_q(sc) == FAILURE )
kprintf("trace init failure\n");
/* send init event */
lockmgr(&sc->gen_lock, LK_EXCLUSIVE);
tws_send_event(sc, TWS_INIT_START);
lockmgr(&sc->gen_lock, LK_RELEASE);
#if _BYTE_ORDER == _BIG_ENDIAN
TWS_TRACE(sc, "BIG endian", 0, 0);
#endif
/* sysctl context setup */
sysctl_ctx_init(&sc->tws_clist);
sc->tws_oidp = SYSCTL_ADD_NODE(&sc->tws_clist,
SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
device_get_nameunit(dev),
CTLFLAG_RD, 0, "");
if ( sc->tws_oidp == NULL ) {
tws_log(sc, SYSCTL_TREE_NODE_ADD);
goto attach_fail_1;
}
SYSCTL_ADD_STRING(&sc->tws_clist, SYSCTL_CHILDREN(sc->tws_oidp),
OID_AUTO, "driver_version", CTLFLAG_RD,
TWS_DRIVER_VERSION_STRING, 0, "TWS driver version");
cmd = pci_read_config(dev, PCIR_COMMAND, 2);
if ( (cmd & PCIM_CMD_PORTEN) == 0) {
tws_log(sc, PCI_COMMAND_READ);
goto attach_fail_1;
}
/* Force the busmaster enable bit on. */
cmd |= PCIM_CMD_BUSMASTEREN;
pci_write_config(dev, PCIR_COMMAND, cmd, 2);
bar = pci_read_config(dev, TWS_PCI_BAR0, 4);
TWS_TRACE_DEBUG(sc, "bar0 ", bar, 0);
bar = pci_read_config(dev, TWS_PCI_BAR1, 4);
bar = bar & ~TWS_BIT2;
TWS_TRACE_DEBUG(sc, "bar1 ", bar, 0);
/* MFA base address is BAR2 register used for
* push mode. Firmware will evatualy move to
* pull mode during witch this needs to change
*/
#ifndef TWS_PULL_MODE_ENABLE
sc->mfa_base = (u_int64_t)pci_read_config(dev, TWS_PCI_BAR2, 4);
sc->mfa_base = sc->mfa_base & ~TWS_BIT2;
TWS_TRACE_DEBUG(sc, "bar2 ", sc->mfa_base, 0);
#endif
/* allocate MMIO register space */
sc->reg_res_id = TWS_PCI_BAR1; /* BAR1 offset */
if ((sc->reg_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
&(sc->reg_res_id), 0, ~0, 1, RF_ACTIVE))
== NULL) {
tws_log(sc, ALLOC_MEMORY_RES);
goto attach_fail_1;
}
sc->bus_tag = rman_get_bustag(sc->reg_res);
sc->bus_handle = rman_get_bushandle(sc->reg_res);
#ifndef TWS_PULL_MODE_ENABLE
/* Allocate bus space for inbound mfa */
sc->mfa_res_id = TWS_PCI_BAR2; /* BAR2 offset */
if ((sc->mfa_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
&(sc->mfa_res_id), 0, ~0, 0x100000, RF_ACTIVE))
== NULL) {
tws_log(sc, ALLOC_MEMORY_RES);
goto attach_fail_2;
}
sc->bus_mfa_tag = rman_get_bustag(sc->mfa_res);
sc->bus_mfa_handle = rman_get_bushandle(sc->mfa_res);
#endif
/* Allocate and register our interrupt. */
sc->intr_type = TWS_INTx; /* default */
if ( tws_enable_msi )
sc->intr_type = TWS_MSI;
if ( tws_setup_irq(sc) == FAILURE ) {
tws_log(sc, ALLOC_MEMORY_RES);
goto attach_fail_3;
}
/* Init callouts. */
callout_init(&sc->print_stats_handle);
callout_init(&sc->reset_cb_handle);
callout_init(&sc->reinit_handle);
/*
* Create a /dev entry for this device. The kernel will assign us
* a major number automatically. We use the unit number of this
* device as the minor number and name the character device
* "tws<unit>".
*/
sc->tws_cdev = make_dev(&tws_ops, device_get_unit(dev),
UID_ROOT, GID_OPERATOR, S_IRUSR | S_IWUSR, "tws%u",
device_get_unit(dev));
sc->tws_cdev->si_drv1 = sc;
if ( tws_init(sc) == FAILURE ) {
tws_log(sc, TWS_INIT_FAILURE);
goto attach_fail_4;
}
if ( tws_init_ctlr(sc) == FAILURE ) {
tws_log(sc, TWS_CTLR_INIT_FAILURE);
goto attach_fail_4;
}
if ((error = tws_cam_attach(sc))) {
tws_log(sc, TWS_CAM_ATTACH);
goto attach_fail_4;
}
/* send init complete event */
lockmgr(&sc->gen_lock, LK_EXCLUSIVE);
tws_send_event(sc, TWS_INIT_COMPLETE);
lockmgr(&sc->gen_lock, LK_RELEASE);
TWS_TRACE_DEBUG(sc, "attached successfully", 0, sc->device_id);
return(0);
attach_fail_4:
for(i=0;i<sc->irqs;i++) {
if (sc->intr_handle[i]) {
if ((error = bus_teardown_intr(sc->tws_dev,
sc->irq_res[i], sc->intr_handle[i])))
TWS_TRACE(sc, "bus teardown intr", 0, error);
}
}
destroy_dev(sc->tws_cdev);
dev_ops_remove_minor(&tws_ops, device_get_unit(sc->tws_dev));
attach_fail_3:
for(i=0;i<sc->irqs;i++) {
if ( sc->irq_res[i] ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_IRQ, sc->irq_res_id[i], sc->irq_res[i]))
TWS_TRACE(sc, "bus irq res", 0, 0);
}
}
#ifndef TWS_PULL_MODE_ENABLE
attach_fail_2:
#endif
if ( sc->mfa_res ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_MEMORY, sc->mfa_res_id, sc->mfa_res))
TWS_TRACE(sc, "bus release ", 0, sc->mfa_res_id);
}
if ( sc->reg_res ){
if (bus_release_resource(sc->tws_dev,
SYS_RES_MEMORY, sc->reg_res_id, sc->reg_res))
TWS_TRACE(sc, "bus release2 ", 0, sc->reg_res_id);
}
attach_fail_1:
lockuninit(&sc->q_lock);
lockuninit(&sc->sim_lock);
lockuninit(&sc->gen_lock);
lockuninit(&sc->io_lock);
sysctl_ctx_free(&sc->tws_clist);
return (ENXIO);
}
static void drm_unload(struct drm_device *dev)
{
int i;
DRM_DEBUG("\n");
drm_sysctl_cleanup(dev);
if (dev->devnode != NULL)
destroy_dev(dev->devnode);
drm_ctxbitmap_cleanup(dev);
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_destroy(dev);
if (dev->agp && dev->agp->agp_mtrr) {
int __unused retcode;
retcode = drm_mtrr_del(0, dev->agp->agp_info.ai_aperture_base,
dev->agp->agp_info.ai_aperture_size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del = %d", retcode);
}
drm_vblank_cleanup(dev);
DRM_LOCK(dev);
drm_lastclose(dev);
DRM_UNLOCK(dev);
/* Clean up PCI resources allocated by drm_bufs.c. We're not really
* worried about resource consumption while the DRM is inactive (between
* lastclose and firstopen or unload) because these aren't actually
* taking up KVA, just keeping the PCI resource allocated.
*/
for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
if (dev->pcir[i] == NULL)
continue;
bus_release_resource(dev->dev, SYS_RES_MEMORY,
dev->pcirid[i], dev->pcir[i]);
dev->pcir[i] = NULL;
}
if (dev->agp) {
drm_free(dev->agp, M_DRM);
dev->agp = NULL;
}
if (dev->driver->unload != NULL) {
DRM_LOCK(dev);
dev->driver->unload(dev);
DRM_UNLOCK(dev);
}
drm_mem_uninit();
if (pci_disable_busmaster(dev->dev))
DRM_ERROR("Request to disable bus-master failed.\n");
lockuninit(&dev->vbl_lock);
lockuninit(&dev->dev_lock);
lockuninit(&dev->event_lock);
lockuninit(&dev->struct_mutex);
}