int
drm_generic_detach(device_t kdev)
{
struct drm_device *dev;
int i;
dev = device_get_softc(kdev);
drm_put_dev(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 (pci_disable_busmaster(dev->dev))
DRM_ERROR("Request to disable bus-master failed.\n");
return (0);
}
static int
bhndb_pci_detach(device_t dev)
{
struct bhndb_pci_softc *sc;
int error;
sc = device_get_softc(dev);
/* Attempt to detach our children */
if ((error = bus_generic_detach(dev)))
return (error);
/* Perform generic bridge detach */
if ((error = bhndb_generic_detach(dev)))
return (error);
/* Disable clocks (if required by this hardware) */
if ((error = bhndb_disable_pci_clocks(sc->dev)))
return (error);
/* Free our interrupt resources */
bhndb_free_intr_isrc(sc->isrc);
/* Release MSI interrupts */
if (sc->msi_count > 0)
pci_release_msi(sc->parent);
/* Disable PCI bus mastering */
pci_disable_busmaster(sc->parent);
BHNDB_PCI_LOCK_DESTROY(sc);
return (0);
}
static int
vga_pci_disable_busmaster(device_t dev, device_t child)
{
device_printf(dev, "child %s requested pci_disable_busmaster\n",
device_get_nameunit(child));
return (pci_disable_busmaster(dev));
}
static int
nvme_detach (device_t dev)
{
struct nvme_controller *ctrlr = DEVICE2SOFTC(dev);
nvme_ctrlr_destruct(ctrlr, dev);
pci_disable_busmaster(dev);
return (0);
}
int
uhci_pci_detach(device_t self)
{
uhci_softc_t *sc = device_get_softc(self);
device_t bdev;
if (sc->sc_bus.bdev) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(self, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(self);
/*
* disable interrupts that might have been switched on in
* uhci_init.
*/
if (sc->sc_io_res) {
USB_BUS_LOCK(&sc->sc_bus);
/* stop the controller */
uhci_reset(sc);
USB_BUS_UNLOCK(&sc->sc_bus);
}
pci_disable_busmaster(self);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
if (err) {
/* XXX or should we panic? */
device_printf(self, "Could not tear down irq, %d\n",
err);
}
sc->sc_intr_hdl = NULL;
}
if (sc->sc_irq_res) {
bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
if (sc->sc_io_res) {
bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc);
return (0);
}
static int
ismt_detach(device_t dev)
{
struct ismt_softc *sc;
int error;
ISMT_DEBUG(dev, "%s\n", __func__);
sc = device_get_softc(dev);
error = bus_generic_detach(dev);
if (error)
return (error);
device_delete_child(dev, sc->smbdev);
if (sc->intr_handle != NULL) {
bus_teardown_intr(dev, sc->intr_res, sc->intr_handle);
sc->intr_handle = NULL;
}
if (sc->intr_res != NULL) {
bus_release_resource(dev,
SYS_RES_IRQ, sc->intr_rid, sc->intr_res);
sc->intr_res = NULL;
}
if (sc->using_msi == 1)
pci_release_msi(dev);
if (sc->mmio_res != NULL) {
bus_release_resource(dev,
SYS_RES_MEMORY, sc->mmio_rid, sc->mmio_res);
sc->mmio_res = NULL;
}
bus_dmamap_unload(sc->desc_dma_tag, sc->desc_dma_map);
bus_dmamap_unload(sc->dma_buffer_dma_tag, sc->dma_buffer_dma_map);
bus_dmamem_free(sc->desc_dma_tag, sc->desc,
sc->desc_dma_map);
bus_dmamem_free(sc->dma_buffer_dma_tag, sc->dma_buffer,
sc->dma_buffer_dma_map);
bus_dma_tag_destroy(sc->desc_dma_tag);
bus_dma_tag_destroy(sc->dma_buffer_dma_tag);
pci_disable_busmaster(dev);
return 0;
}
static void
sfxge_destroy(struct sfxge_softc *sc)
{
efx_nic_t *enp;
/* Clean up port state. */
sfxge_port_fini(sc);
/* Clean up transmit state. */
sfxge_tx_fini(sc);
/* Clean up receive state. */
sfxge_rx_fini(sc);
/* Clean up event processing state. */
sfxge_ev_fini(sc);
/* Clean up interrupts. */
sfxge_intr_fini(sc);
/* Tear down common code subsystems. */
efx_nic_reset(sc->enp);
efx_vpd_fini(sc->enp);
efx_nvram_fini(sc->enp);
efx_nic_unprobe(sc->enp);
/* Tear down MCDI. */
sfxge_mcdi_fini(sc);
/* Destroy common code context. */
enp = sc->enp;
sc->enp = NULL;
efx_nic_destroy(enp);
/* Free DMA memory. */
sfxge_dma_fini(sc);
/* Free mapped BARs. */
sfxge_bar_fini(sc);
(void) pci_disable_busmaster(sc->dev);
taskqueue_drain(taskqueue_thread, &sc->task_reset);
/* Destroy the softc lock. */
sx_destroy(&sc->softc_lock);
}
static int
siba_bwn_detach(device_t dev)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
/* check if device was removed */
siba->siba_invalid = !bus_child_present(dev);
pci_disable_busmaster(dev);
bus_generic_detach(dev);
siba_core_detach(siba);
bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, siba->siba_mem_res);
return (0);
}
static int
ohci_pci_detach(device_t self)
{
ohci_softc_t *sc = device_get_softc(self);
device_t bdev;
if (sc->sc_bus.bdev) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(self, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_all_children(self);
pci_disable_busmaster(self);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
/*
* only call ohci_detach() after ohci_init()
*/
ohci_detach(sc);
int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
if (err) {
/* XXX or should we panic? */
device_printf(self, "Could not tear down irq, %d\n",
err);
}
sc->sc_intr_hdl = NULL;
}
if (sc->sc_irq_res) {
bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
if (sc->sc_io_res) {
bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
return (0);
}
static int
xhci_pci_detach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
device_t bdev;
if (sc->sc_bus.bdev != NULL) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(self, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(self);
if (sc->sc_io_res) {
usb_callout_drain(&sc->sc_callout);
xhci_halt_controller(sc);
}
pci_disable_busmaster(self);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
sc->sc_intr_hdl = NULL;
}
if (sc->sc_irq_res) {
if (sc->sc_irq_rid == 1)
pci_release_msi(self);
bus_release_resource(self, SYS_RES_IRQ, sc->sc_irq_rid,
sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
if (sc->sc_io_res) {
bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
xhci_uninit(sc);
return (0);
}
static int
bhndb_pci_detach(device_t dev)
{
struct bhndb_pci_softc *sc;
int error;
sc = device_get_softc(dev);
if ((error = bhndb_generic_detach(dev)))
return (error);
/* Apply any hardware workarounds. This may disable the clock, and
* thus must be called *after* any children have been detached. */
if ((error = bhndb_pci_wars_hwdown(sc)))
return (error);
/* Disable PCI bus mastering */
pci_disable_busmaster(device_get_parent(dev));
return (0);
}
static int
ioat_detach(device_t device)
{
struct ioat_softc *ioat;
ioat = DEVICE2SOFTC(device);
ioat_test_detach();
mtx_lock(IOAT_REFLK);
ioat->quiescing = TRUE;
ioat_channel[ioat->chan_idx] = NULL;
ioat_drain_locked(ioat);
mtx_unlock(IOAT_REFLK);
ioat_teardown_intr(ioat);
callout_drain(&ioat->timer);
pci_disable_busmaster(device);
if (ioat->pci_resource != NULL)
bus_release_resource(device, SYS_RES_MEMORY,
ioat->pci_resource_id, ioat->pci_resource);
if (ioat->ring != NULL)
ioat_free_ring(ioat, 1 << ioat->ring_size_order, ioat->ring);
if (ioat->comp_update != NULL) {
bus_dmamap_unload(ioat->comp_update_tag, ioat->comp_update_map);
bus_dmamem_free(ioat->comp_update_tag, ioat->comp_update,
ioat->comp_update_map);
bus_dma_tag_destroy(ioat->comp_update_tag);
}
bus_dma_tag_destroy(ioat->hw_desc_tag);
return (0);
}
static int
vga_pci_disable_busmaster(device_t dev, device_t child)
{
return (pci_disable_busmaster(dev));
}
static int
bhndb_pci_attach(device_t dev)
{
struct bhndb_pci_softc *sc;
struct bhnd_chipid cid;
struct bhnd_core_info *cores, hostb_core;
bhnd_erom_class_t *erom_class;
struct bhndb_pci_probe *probe;
u_int ncores;
int irq_rid;
int error;
sc = device_get_softc(dev);
sc->dev = dev;
sc->parent = device_get_parent(dev);
sc->pci_devclass = bhndb_expected_pci_devclass(dev);
sc->pci_quirks = 0;
sc->set_regwin = NULL;
BHNDB_PCI_LOCK_INIT(sc);
probe = NULL;
cores = NULL;
/* Enable PCI bus mastering */
pci_enable_busmaster(sc->parent);
/* Enable clocks (if required by this hardware) */
if ((error = bhndb_enable_pci_clocks(sc->dev)))
goto cleanup;
/* Identify the chip and enumerate the bridged cores */
error = bhndb_pci_probe_alloc(&probe, dev, sc->pci_devclass);
if (error)
goto cleanup;
sc->pci_quirks = bhndb_pci_get_core_quirks(&probe->cid,
&probe->hostb_core);
/* Select the appropriate register window handler */
if (probe->cid.chip_type == BHND_CHIPTYPE_SIBA) {
sc->set_regwin = bhndb_pci_compat_setregwin;
} else {
sc->set_regwin = bhndb_pci_fast_setregwin;
}
/*
* Fix up our PCI base address in the SPROM shadow, if necessary.
*
* This must be done prior to accessing any static register windows
* that map the PCI core.
*/
if ((error = bhndb_pci_srsh_pi_war(sc, probe)))
goto cleanup;
/* Set up PCI interrupt handling */
if (bhndb_pci_alloc_msi(sc, &sc->msi_count) == 0) {
/* MSI uses resource IDs starting at 1 */
irq_rid = 1;
device_printf(dev, "Using MSI interrupts on %s\n",
device_get_nameunit(sc->parent));
} else {
sc->msi_count = 0;
irq_rid = 0;
device_printf(dev, "Using INTx interrupts on %s\n",
device_get_nameunit(sc->parent));
}
sc->isrc = bhndb_alloc_intr_isrc(sc->parent, irq_rid, 0, RM_MAX_END, 1,
RF_SHAREABLE | RF_ACTIVE);
if (sc->isrc == NULL) {
device_printf(sc->dev, "failed to allocate interrupt "
"resource\n");
error = ENXIO;
goto cleanup;
}
/*
* Copy out the probe results and then free our probe state, releasing
* its exclusive ownership of host bridge resources.
*
* This must be done prior to full configuration of the bridge via
* bhndb_attach().
*/
cid = probe->cid;
erom_class = probe->erom_class;
hostb_core = probe->hostb_core;
error = bhndb_pci_probe_copy_core_table(probe, &cores, &ncores);
if (error) {
cores = NULL;
goto cleanup;
}
bhndb_pci_probe_free(probe);
probe = NULL;
/* Perform bridge attach */
error = bhndb_attach(dev, &cid, cores, ncores, &hostb_core, erom_class);
if (error)
goto cleanup;
/* Add any additional child devices */
if ((error = bhndb_pci_add_children(sc)))
goto cleanup;
/* Probe and attach our children */
if ((error = bus_generic_attach(dev)))
goto cleanup;
bhndb_pci_probe_free_core_table(cores);
return (0);
cleanup:
device_delete_children(dev);
if (sc->isrc != NULL)
bhndb_free_intr_isrc(sc->isrc);
if (sc->msi_count > 0)
pci_release_msi(sc->parent);
if (cores != NULL)
bhndb_pci_probe_free_core_table(cores);
if (probe != NULL)
bhndb_pci_probe_free(probe);
bhndb_disable_pci_clocks(sc->dev);
pci_disable_busmaster(sc->parent);
BHNDB_PCI_LOCK_DESTROY(sc);
return (error);
}
static int
isci_detach(device_t device)
{
struct isci_softc *isci = DEVICE2SOFTC(device);
int i, phy;
for (i = 0; i < isci->controller_count; i++) {
struct ISCI_CONTROLLER *controller = &isci->controllers[i];
SCI_STATUS status;
void *unmap_buffer;
if (controller->scif_controller_handle != NULL) {
scic_controller_disable_interrupts(
scif_controller_get_scic_handle(controller->scif_controller_handle));
mtx_lock(&controller->lock);
status = scif_controller_stop(controller->scif_controller_handle, 0);
mtx_unlock(&controller->lock);
while (controller->is_started == TRUE) {
/* Now poll for interrupts until the controller stop complete
* callback is received.
*/
mtx_lock(&controller->lock);
isci_interrupt_poll_handler(controller);
mtx_unlock(&controller->lock);
pause("isci", 1);
}
if(controller->sim != NULL) {
mtx_lock(&controller->lock);
xpt_free_path(controller->path);
xpt_bus_deregister(cam_sim_path(controller->sim));
cam_sim_free(controller->sim, TRUE);
mtx_unlock(&controller->lock);
}
}
if (controller->timer_memory != NULL)
free(controller->timer_memory, M_ISCI);
if (controller->remote_device_memory != NULL)
free(controller->remote_device_memory, M_ISCI);
for (phy = 0; phy < SCI_MAX_PHYS; phy++) {
if (controller->phys[phy].cdev_fault)
led_destroy(controller->phys[phy].cdev_fault);
if (controller->phys[phy].cdev_locate)
led_destroy(controller->phys[phy].cdev_locate);
}
while (1) {
sci_pool_get(controller->unmap_buffer_pool, unmap_buffer);
if (unmap_buffer == NULL)
break;
contigfree(unmap_buffer, PAGE_SIZE, M_ISCI);
}
}
/* The SCIF controllers have been stopped, so we can now
* free the SCI library memory.
*/
if (isci->sci_library_memory != NULL)
free(isci->sci_library_memory, M_ISCI);
for (i = 0; i < ISCI_NUM_PCI_BARS; i++)
{
struct ISCI_PCI_BAR *pci_bar = &isci->pci_bar[i];
if (pci_bar->resource != NULL)
bus_release_resource(device, SYS_RES_MEMORY,
pci_bar->resource_id, pci_bar->resource);
}
for (i = 0; i < isci->num_interrupts; i++)
{
struct ISCI_INTERRUPT_INFO *interrupt_info;
interrupt_info = &isci->interrupt_info[i];
if(interrupt_info->tag != NULL)
bus_teardown_intr(device, interrupt_info->res,
interrupt_info->tag);
if(interrupt_info->res != NULL)
bus_release_resource(device, SYS_RES_IRQ,
rman_get_rid(interrupt_info->res),
interrupt_info->res);
pci_release_msi(device);
}
pci_disable_busmaster(device);
return (0);
}
static int
sfxge_create(struct sfxge_softc *sc)
{
device_t dev;
efx_nic_t *enp;
int error;
dev = sc->dev;
sx_init(&sc->softc_lock, "sfxge_softc");
sc->stats_node = SYSCTL_ADD_NODE(
device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
OID_AUTO, "stats", CTLFLAG_RD, NULL, "Statistics");
if (!sc->stats_node) {
error = ENOMEM;
goto fail;
}
TASK_INIT(&sc->task_reset, 0, sfxge_reset, sc);
(void) pci_enable_busmaster(dev);
/* Initialize DMA mappings. */
if ((error = sfxge_dma_init(sc)) != 0)
goto fail;
/* Map the device registers. */
if ((error = sfxge_bar_init(sc)) != 0)
goto fail;
error = efx_family(pci_get_vendor(dev), pci_get_device(dev),
&sc->family);
KASSERT(error == 0, ("Family should be filtered by sfxge_probe()"));
/* Create the common code nic object. */
mtx_init(&sc->enp_lock, "sfxge_nic", NULL, MTX_DEF);
if ((error = efx_nic_create(sc->family, (efsys_identifier_t *)sc,
&sc->bar, &sc->enp_lock, &enp)) != 0)
goto fail3;
sc->enp = enp;
/* Initialize MCDI to talk to the microcontroller. */
if ((error = sfxge_mcdi_init(sc)) != 0)
goto fail4;
/* Probe the NIC and build the configuration data area. */
if ((error = efx_nic_probe(enp)) != 0)
goto fail5;
/* Initialize the NVRAM. */
if ((error = efx_nvram_init(enp)) != 0)
goto fail6;
/* Initialize the VPD. */
if ((error = efx_vpd_init(enp)) != 0)
goto fail7;
/* Reset the NIC. */
if ((error = efx_nic_reset(enp)) != 0)
goto fail8;
/* Initialize buffer table allocation. */
sc->buffer_table_next = 0;
/* Set up interrupts. */
if ((error = sfxge_intr_init(sc)) != 0)
goto fail8;
/* Initialize event processing state. */
if ((error = sfxge_ev_init(sc)) != 0)
goto fail11;
/* Initialize receive state. */
if ((error = sfxge_rx_init(sc)) != 0)
goto fail12;
/* Initialize transmit state. */
if ((error = sfxge_tx_init(sc)) != 0)
goto fail13;
/* Initialize port state. */
if ((error = sfxge_port_init(sc)) != 0)
goto fail14;
sc->init_state = SFXGE_INITIALIZED;
return (0);
fail14:
sfxge_tx_fini(sc);
fail13:
sfxge_rx_fini(sc);
fail12:
sfxge_ev_fini(sc);
fail11:
sfxge_intr_fini(sc);
fail8:
efx_vpd_fini(enp);
fail7:
efx_nvram_fini(enp);
fail6:
efx_nic_unprobe(enp);
fail5:
sfxge_mcdi_fini(sc);
fail4:
sc->enp = NULL;
efx_nic_destroy(enp);
mtx_destroy(&sc->enp_lock);
fail3:
sfxge_bar_fini(sc);
(void) pci_disable_busmaster(sc->dev);
fail:
sc->dev = NULL;
sx_destroy(&sc->softc_lock);
return (error);
}
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);
}
