static int
zy7_devcfg_detach(device_t dev)
{
struct zy7_devcfg_softc *sc = device_get_softc(dev);
if (device_is_attached(dev))
bus_generic_detach(dev);
/* Get rid of /dev/devcfg0. */
if (sc->sc_ctl_dev != NULL)
destroy_dev(sc->sc_ctl_dev);
/* Teardown and release interrupt. */
if (sc->irq_res != NULL) {
if (sc->intrhandle)
bus_teardown_intr(dev, sc->irq_res, sc->intrhandle);
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(sc->irq_res), sc->irq_res);
}
/* Release memory resource. */
if (sc->mem_res != NULL)
bus_release_resource(dev, SYS_RES_MEMORY,
rman_get_rid(sc->mem_res), sc->mem_res);
zy7_devcfg_softc_p = NULL;
DEVCFG_SC_LOCK_DESTROY(sc);
return (0);
}
static int
sata_detach(device_t dev)
{
struct sata_softc *sc;
sc = device_get_softc(dev);
if (device_is_attached(dev))
bus_generic_detach(dev);
if (sc->sc_mem_res != NULL) {
bus_release_resource(dev, SYS_RES_MEMORY,
rman_get_rid(sc->sc_mem_res), sc->sc_mem_res);
sc->sc_mem_res = NULL;
}
if (sc->sc_irq_res != NULL) {
bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_irq_cookiep);
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
return (0);
}
int
ig4iic_detach(ig4iic_softc_t *sc)
{
int error;
if (device_is_attached(sc->dev)) {
error = bus_generic_detach(sc->dev);
if (error)
return (error);
}
if (sc->smb)
device_delete_child(sc->dev, sc->smb);
if (sc->intr_handle)
bus_teardown_intr(sc->dev, sc->intr_res, sc->intr_handle);
sx_xlock(&sc->call_lock);
mtx_lock(&sc->io_lock);
sc->smb = NULL;
sc->intr_handle = NULL;
reg_write(sc, IG4_REG_INTR_MASK, 0);
reg_read(sc, IG4_REG_CLR_INTR);
set_controller(sc, 0);
mtx_unlock(&sc->io_lock);
sx_xunlock(&sc->call_lock);
return (0);
}
/**
* Helper function for implementing DEVICE_SUSPEND().
*
* This function can be used to implement DEVICE_SUSPEND() for bhnd(4)
* bus implementations. It calls BUS_SUSPEND_CHILD() for each
* of the device's children, in reverse order. If any call to
* BUS_SUSPEND_CHILD() fails, the suspend operation is terminated and
* any devices that were suspended are resumed immediately by calling
* their BUS_RESUME_CHILD() methods.
*/
int
bhnd_generic_suspend(device_t dev)
{
device_t *devs;
int ndevs;
int error;
if (!device_is_attached(dev))
return (EBUSY);
if ((error = device_get_children(dev, &devs, &ndevs)))
return (error);
/* Suspend in the reverse of attach order */
qsort(devs, ndevs, sizeof(*devs), compare_descending_probe_order);
for (int i = 0; i < ndevs; i++) {
device_t child = devs[i];
error = BUS_SUSPEND_CHILD(device_get_parent(child), child);
/* On error, resume suspended devices and then terminate */
if (error) {
for (int j = 0; j < i; j++) {
BUS_RESUME_CHILD(device_get_parent(devs[j]),
devs[j]);
}
goto cleanup;
}
}
cleanup:
free(devs, M_TEMP);
return (error);
}
static int
vtblk_detach(device_t dev)
{
struct vtblk_softc *sc;
sc = device_get_softc(dev);
VTBLK_LOCK(sc);
sc->vtblk_flags |= VTBLK_FLAG_DETACH;
if (device_is_attached(dev))
vtblk_stop(sc);
VTBLK_UNLOCK(sc);
if (sc->vtblk_tq != NULL) {
taskqueue_drain(sc->vtblk_tq, &sc->vtblk_intr_task);
taskqueue_free(sc->vtblk_tq);
sc->vtblk_tq = NULL;
}
vtblk_drain(sc);
if (sc->vtblk_disk != NULL) {
disk_destroy(sc->vtblk_disk);
sc->vtblk_disk = NULL;
}
if (sc->vtblk_sglist != NULL) {
sglist_free(sc->vtblk_sglist);
sc->vtblk_sglist = NULL;
}
VTBLK_LOCK_DESTROY(sc);
return (0);
}
/**
* Helper function for implementing DEVICE_SHUTDOWN().
*
* This function can be used to implement DEVICE_SHUTDOWN() for bhnd(4)
* bus implementations. It calls device_shutdown() for each
* of the device's children, in reverse order, terminating if
* any call to device_shutdown() fails.
*/
int
bhnd_generic_shutdown(device_t dev)
{
device_t *devs;
int ndevs;
int error;
if (!device_is_attached(dev))
return (EBUSY);
if ((error = device_get_children(dev, &devs, &ndevs)))
return (error);
/* Shutdown in the reverse of attach order */
qsort(devs, ndevs, sizeof(*devs), compare_descending_probe_order);
for (int i = 0; i < ndevs; i++) {
device_t child = devs[i];
/* Terminate on first error */
if ((error = device_shutdown(child)))
goto cleanup;
}
cleanup:
free(devs, M_TEMP);
return (error);
}
/**
* Helper function for implementing DEVICE_RESUME().
*
* This function can be used to implement DEVICE_RESUME() for bhnd(4)
* bus implementations. It calls BUS_RESUME_CHILD() for each
* of the device's children, in order, terminating if
* any call to BUS_RESUME_CHILD() fails.
*/
int
bhnd_generic_resume(device_t dev)
{
device_t *devs;
int ndevs;
int error;
if (!device_is_attached(dev))
return (EBUSY);
if ((error = device_get_children(dev, &devs, &ndevs)))
return (error);
qsort(devs, ndevs, sizeof(*devs), compare_ascending_probe_order);
for (int i = 0; i < ndevs; i++) {
device_t child = devs[i];
/* Terminate on first error */
if ((error = BUS_RESUME_CHILD(device_get_parent(child), child)))
goto cleanup;
}
cleanup:
free(devs, M_TEMP);
return (error);
}
static int
zy7_ehci_detach(device_t dev)
{
ehci_softc_t *sc = device_get_softc(dev);
sc->sc_flags &= ~EHCI_SCFLG_DONEINIT;
if (device_is_attached(dev))
bus_generic_detach(dev);
if (sc->sc_irq_res && sc->sc_intr_hdl)
/* call ehci_detach() after ehci_init() called after
* successful bus_setup_intr().
*/
ehci_detach(sc);
if (sc->sc_bus.bdev) {
device_detach(sc->sc_bus.bdev);
device_delete_child(dev, sc->sc_bus.bdev);
}
if (sc->sc_irq_res) {
if (sc->sc_intr_hdl != NULL)
bus_teardown_intr(dev, sc->sc_irq_res,
sc->sc_intr_hdl);
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);
}
if (sc->sc_io_res)
bus_release_resource(dev, SYS_RES_MEMORY,
rman_get_rid(sc->sc_io_res), sc->sc_io_res);
usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
return (0);
}
static int
vtballoon_detach(device_t dev)
{
struct vtballoon_softc *sc;
sc = device_get_softc(dev);
if (sc->vtballoon_td != NULL) {
VTBALLOON_LOCK(sc);
sc->vtballoon_flags |= VTBALLOON_FLAG_DETACH;
wakeup_one(sc);
msleep(sc->vtballoon_td, VTBALLOON_MTX(sc), 0, "vtbdth", 0);
VTBALLOON_UNLOCK(sc);
sc->vtballoon_td = NULL;
}
if (device_is_attached(dev)) {
vtballoon_pop(sc);
vtballoon_stop(sc);
}
if (sc->vtballoon_page_frames != NULL) {
free(sc->vtballoon_page_frames, M_DEVBUF);
sc->vtballoon_page_frames = NULL;
}
VTBALLOON_LOCK_DESTROY(sc);
return (0);
}
static int
le_isa_detach(device_t dev)
{
struct le_isa_softc *lesc;
struct lance_softc *sc;
lesc = device_get_softc(dev);
sc = &lesc->sc_am7990.lsc;
if (device_is_attached(dev)) {
lwkt_serialize_enter(sc->ifp->if_serializer);
lance_stop(sc);
bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
lwkt_serialize_exit(sc->ifp->if_serializer);
am7990_detach(&lesc->sc_am7990);
}
if (lesc->sc_ires)
bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires);
if (lesc->sc_dres)
bus_release_resource(dev, SYS_RES_DRQ, lesc->sc_drid, lesc->sc_dres);
if (lesc->sc_rres)
bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres);
if (lesc->sc_dmam) {
bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
}
if (lesc->sc_dmat)
bus_dma_tag_destroy(lesc->sc_dmat);
if (lesc->sc_pdmat)
bus_dma_tag_destroy(lesc->sc_pdmat);
return (0);
}
static int
afd_open(struct disk *dp)
{
device_t dev = dp->d_drv1;
struct ata_device *atadev = device_get_softc(dev);
struct afd_softc *fdp = device_get_ivars(dev);
if (!fdp)
return ENXIO;
if (!device_is_attached(dev))
return EBUSY;
afd_test_ready(dev);
afd_prevent_allow(dev, 1);
if (afd_sense(dev))
device_printf(dev, "sense media type failed\n");
atadev->flags &= ~ATA_D_MEDIA_CHANGED;
if (!fdp->mediasize)
return ENXIO;
fdp->disk->d_sectorsize = fdp->sectorsize;
fdp->disk->d_mediasize = fdp->mediasize;
fdp->disk->d_fwsectors = fdp->sectors;
fdp->disk->d_fwheads = fdp->heads;
return 0;
}
static ACPI_STATUS
acpi_dock_eject_child(ACPI_HANDLE handle, UINT32 level, void *context,
void **status)
{
device_t dock_dev, dev;
ACPI_HANDLE dock_handle;
dock_dev = *(device_t *)context;
dock_handle = acpi_get_handle(dock_dev);
if (!acpi_dock_is_ejd_device(dock_handle, handle))
goto out;
ACPI_VPRINT(dock_dev, acpi_device_get_parent_softc(dock_dev),
"ejecting device for %s\n", acpi_name(handle));
dev = acpi_get_device(handle);
if (dev != NULL && device_is_attached(dev)) {
mtx_lock(&Giant);
device_detach(dev);
mtx_unlock(&Giant);
}
acpi_SetInteger(handle, "_EJ0", 0);
out:
return (AE_OK);
}
static int
vtblk_detach(device_t dev)
{
struct vtblk_softc *sc;
sc = device_get_softc(dev);
lwkt_serialize_enter(&sc->vtblk_slz);
sc->vtblk_flags |= VTBLK_FLAG_DETACH;
if (device_is_attached(dev))
vtblk_stop(sc);
lwkt_serialize_exit(&sc->vtblk_slz);
vtblk_drain(sc);
if (sc->cdev != NULL) {
disk_destroy(&sc->vtblk_disk);
sc->cdev = NULL;
}
if (sc->vtblk_sglist != NULL) {
sglist_free(sc->vtblk_sglist);
sc->vtblk_sglist = NULL;
}
return (0);
}
static int
hn_nvs_init(struct hn_softc *sc)
{
int i, error;
if (device_is_attached(sc->hn_dev)) {
/*
* NVS version and NDIS version MUST NOT be changed.
*/
if (bootverbose) {
if_printf(sc->hn_ifp, "reinit NVS version 0x%x, "
"NDIS version %u.%u\n", sc->hn_nvs_ver,
HN_NDIS_VERSION_MAJOR(sc->hn_ndis_ver),
HN_NDIS_VERSION_MINOR(sc->hn_ndis_ver));
}
error = hn_nvs_doinit(sc, sc->hn_nvs_ver);
if (error) {
if_printf(sc->hn_ifp, "reinit NVS version 0x%x "
"failed: %d\n", sc->hn_nvs_ver, error);
return (error);
}
goto done;
}
/*
* Find the supported NVS version and set NDIS version accordingly.
*/
for (i = 0; i < nitems(hn_nvs_version); ++i) {
error = hn_nvs_doinit(sc, hn_nvs_version[i]);
if (!error) {
sc->hn_nvs_ver = hn_nvs_version[i];
/* Set NDIS version according to NVS version. */
sc->hn_ndis_ver = HN_NDIS_VERSION_6_30;
if (sc->hn_nvs_ver <= HN_NVS_VERSION_4)
sc->hn_ndis_ver = HN_NDIS_VERSION_6_1;
if (bootverbose) {
if_printf(sc->hn_ifp, "NVS version 0x%x, "
"NDIS version %u.%u\n", sc->hn_nvs_ver,
HN_NDIS_VERSION_MAJOR(sc->hn_ndis_ver),
HN_NDIS_VERSION_MINOR(sc->hn_ndis_ver));
}
goto done;
}
}
if_printf(sc->hn_ifp, "no NVS available\n");
return (ENXIO);
done:
if (sc->hn_nvs_ver >= HN_NVS_VERSION_5)
sc->hn_caps |= HN_CAP_HASHVAL;
return (0);
}
static int
kr_detach(device_t dev)
{
struct kr_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->kr_ifp;
KASSERT(mtx_initialized(&sc->kr_mtx), ("vr mutex not initialized"));
/* These should only be active if attach succeeded */
if (device_is_attached(dev)) {
KR_LOCK(sc);
sc->kr_detach = 1;
kr_stop(sc);
KR_UNLOCK(sc);
taskqueue_drain(taskqueue_swi, &sc->kr_link_task);
ether_ifdetach(ifp);
}
if (sc->kr_miibus)
device_delete_child(dev, sc->kr_miibus);
bus_generic_detach(dev);
if (sc->kr_rx_intrhand)
bus_teardown_intr(dev, sc->kr_rx_irq, sc->kr_rx_intrhand);
if (sc->kr_rx_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_rx_irq);
if (sc->kr_tx_intrhand)
bus_teardown_intr(dev, sc->kr_tx_irq, sc->kr_tx_intrhand);
if (sc->kr_tx_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_tx_irq);
if (sc->kr_rx_und_intrhand)
bus_teardown_intr(dev, sc->kr_rx_und_irq,
sc->kr_rx_und_intrhand);
if (sc->kr_rx_und_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_rx_und_irq);
if (sc->kr_tx_ovr_intrhand)
bus_teardown_intr(dev, sc->kr_tx_ovr_irq,
sc->kr_tx_ovr_intrhand);
if (sc->kr_tx_ovr_irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->kr_tx_ovr_irq);
if (sc->kr_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->kr_rid,
sc->kr_res);
if (ifp)
if_free(ifp);
kr_dma_free(sc);
mtx_destroy(&sc->kr_mtx);
return (0);
}
static void
acpi_cmbat_init_battery(void *arg)
{
struct acpi_cmbat_softc *sc;
int retry, valid;
device_t dev;
dev = (device_t)arg;
sc = device_get_softc(dev);
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization start\n");
/*
* Try repeatedly to get valid data from the battery. Since the
* embedded controller isn't always ready just after boot, we may have
* to wait a while.
*/
for (retry = 0; retry < ACPI_CMBAT_RETRY_MAX; retry++, AcpiOsSleep(10000)) {
/* batteries on DOCK can be ejected w/ DOCK during retrying */
if (!device_is_attached(dev))
return;
if (!acpi_BatteryIsPresent(dev))
continue;
/*
* Only query the battery if this is the first try or the specific
* type of info is still invalid.
*/
ACPI_SERIAL_BEGIN(cmbat);
if (retry == 0 || !acpi_battery_bst_valid(&sc->bst)) {
timespecclear(&sc->bst_lastupdated);
acpi_cmbat_get_bst(dev);
}
if (retry == 0 || !acpi_battery_bif_valid(&sc->bif))
acpi_cmbat_get_bif(dev);
valid = acpi_battery_bst_valid(&sc->bst) &&
acpi_battery_bif_valid(&sc->bif);
ACPI_SERIAL_END(cmbat);
if (valid)
break;
}
if (retry == ACPI_CMBAT_RETRY_MAX) {
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization failed, giving up\n");
} else {
ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),
"battery initialization done, tried %d times\n", retry + 1);
}
}
/*------------------------------------------------------------------------*
* ugen_get_iface_driver
*
* This function generates an USB interface description for userland.
*
* Returns:
* 0: Success
* Else: Failure
*------------------------------------------------------------------------*/
static int
ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd)
{
struct usb_device *udev = f->udev;
struct usb_interface *iface;
const char *ptr;
const char *desc;
unsigned int len;
unsigned int maxlen;
char buf[128];
int error;
DPRINTFN(6, "\n");
if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) {
/* userland pointer should not be zero */
return (EINVAL);
}
iface = usbd_get_iface(udev, ugd->ugd_iface_index);
if ((iface == NULL) || (iface->idesc == NULL)) {
/* invalid interface index */
return (EINVAL);
}
/* read out device nameunit string, if any */
if ((iface->subdev != NULL) &&
device_is_attached(iface->subdev) &&
(ptr = device_get_nameunit(iface->subdev)) &&
(desc = device_get_desc(iface->subdev))) {
/* print description */
snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc);
/* range checks */
maxlen = ugd->ugd_maxlen - 1;
len = strlen(buf);
if (len > maxlen)
len = maxlen;
/* update actual length, including terminating zero */
ugd->ugd_actlen = len + 1;
/* copy out interface description */
error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen);
} else {
/* zero length string is default */
error = copyout("", ugd->ugd_data, 1);
}
return (error);
}
static void
vtpci_describe_features(struct vtpci_softc *sc, const char *msg,
uint64_t features)
{
device_t dev, child;
dev = sc->vtpci_dev;
child = sc->vtpci_child_dev;
if (device_is_attached(child) || bootverbose == 0)
return;
virtio_describe(dev, msg, features, sc->vtpci_child_feat_desc);
}
int
acpi_pci_suspend(device_t dev)
{
int dstate, error, i, numdevs;
device_t acpi_dev, child, *devlist;
struct pci_devinfo *dinfo;
acpi_dev = devclass_get_device(devclass_find("acpi"), 0);
device_get_children(dev, &devlist, &numdevs);
/*
* Save the PCI configuration space for each child and set the
* device in the appropriate power state for this sleep state.
*/
for (i = 0; i < numdevs; i++) {
child = devlist[i];
dinfo = (struct pci_devinfo *)device_get_ivars(child);
pci_cfg_save(child, dinfo, 0);
}
/*
* Suspend devices before potentially powering them down.
*/
error = bus_generic_suspend(dev);
if (error) {
kfree(devlist, M_TEMP);
return (error);
}
/*
* Always set the device to D3. If ACPI suggests a different
* power state, use it instead. If ACPI is not present, the
* firmware is responsible for managing device power. Skip
* children who aren't attached since they are powered down
* separately. Only manage type 0 devices for now.
*/
for (i = 0; acpi_dev && i < numdevs; i++) {
child = devlist[i];
dinfo = (struct pci_devinfo *)device_get_ivars(child);
if (device_is_attached(child) && dinfo->cfg.hdrtype == 0) {
dstate = PCI_POWERSTATE_D3;
ACPI_PWR_FOR_SLEEP(acpi_dev, child, &dstate);
pci_set_powerstate(child, dstate);
}
}
kfree(devlist, M_TEMP);
return (0);
}
static int
ichss_probe(device_t dev)
{
device_t est_dev, perf_dev;
int error, type;
/*
* If the ACPI perf driver has attached and is not just offering
* info, let it manage things. Also, if Enhanced SpeedStep is
* available, don't attach.
*/
perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1);
if (perf_dev && device_is_attached(perf_dev)) {
error = CPUFREQ_DRV_TYPE(perf_dev, &type);
if (error == 0 && (type & CPUFREQ_FLAG_INFO_ONLY) == 0)
return (ENXIO);
}
est_dev = device_find_child(device_get_parent(dev), "est", -1);
if (est_dev && device_is_attached(est_dev))
return (ENXIO);
device_set_desc(dev, "SpeedStep ICH");
return (-1000);
}
static int
rtw_pci_detach(device_t dev)
{
struct rtw_softc *sc = device_get_softc(dev);
struct rtw_regs *regs = &sc->sc_regs;
if (device_is_attached(dev))
rtw_detach(dev);
if (regs->r_res != NULL) {
bus_release_resource(dev, regs->r_type, regs->r_rid,
regs->r_res);
}
return 0;
}
static int
ad_open(struct dev_open_args *ap)
{
device_t dev = ap->a_head.a_dev->si_drv1;
struct ad_softc *adp = device_get_ivars(dev);
if (!adp || adp->cdev == NULL)
return ENXIO;
if(!device_is_attached(dev))
return EBUSY;
#if 0 /* XXX TGEN Probably useless, queue will be failed on detach. */
adp->ad_flags &= AD_DISK_OPEN;
#endif /* 0 */
return 0;
}
/**
* Examine bus state and make a best effort determination of whether it's
* likely safe to enable the muxed SPROM pins.
*
* On devices that do not use SPROM pin muxing, always returns true.
*
* @param sc chipc driver state.
*/
static bool
chipc_should_enable_muxed_sprom(struct chipc_softc *sc)
{
device_t *devs;
device_t hostb;
device_t parent;
int devcount;
int error;
bool result;
/* Nothing to do? */
if (!CHIPC_QUIRK(sc, MUX_SPROM))
return (true);
mtx_lock(&Giant); /* for newbus */
parent = device_get_parent(sc->dev);
hostb = bhnd_find_hostb_device(parent);
if ((error = device_get_children(parent, &devs, &devcount))) {
mtx_unlock(&Giant);
return (false);
}
/* Reject any active devices other than ChipCommon, or the
* host bridge (if any). */
result = true;
for (int i = 0; i < devcount; i++) {
if (devs[i] == hostb || devs[i] == sc->dev)
continue;
if (!device_is_attached(devs[i]))
continue;
if (device_is_suspended(devs[i]))
continue;
/* Active device; assume SPROM is busy */
result = false;
break;
}
free(devs, M_TEMP);
mtx_unlock(&Giant);
return (result);
}
int
dtsec_detach(device_t dev)
{
struct dtsec_softc *sc;
if_t ifp;
sc = device_get_softc(dev);
ifp = sc->sc_ifnet;
if (device_is_attached(dev)) {
ether_ifdetach(ifp);
/* Shutdown interface */
DTSEC_LOCK(sc);
dtsec_if_deinit_locked(sc);
DTSEC_UNLOCK(sc);
}
if (sc->sc_ifnet) {
if_free(sc->sc_ifnet);
sc->sc_ifnet = NULL;
}
if (sc->sc_mode == DTSEC_MODE_REGULAR) {
/* Free RX/TX FQRs */
dtsec_rm_fqr_rx_free(sc);
dtsec_rm_fqr_tx_free(sc);
/* Free frame info pool */
dtsec_rm_fi_pool_free(sc);
/* Free RX buffer pool */
dtsec_rm_pool_rx_free(sc);
}
dtsec_fm_mac_free(sc);
dtsec_fm_port_free_both(sc);
/* Destroy lock */
mtx_destroy(&sc->sc_lock);
return (0);
}
/**
* Helper function for implementing DEVICE_ATTACH().
*
* This function can be used to implement DEVICE_ATTACH() for bhnd(4)
* bus implementations. It calls device_probe_and_attach() for each
* of the device's children, in order.
*/
int
bhnd_generic_attach(device_t dev)
{
device_t *devs;
int ndevs;
int error;
if (device_is_attached(dev))
return (EBUSY);
if ((error = device_get_children(dev, &devs, &ndevs)))
return (error);
qsort(devs, ndevs, sizeof(*devs), compare_ascending_probe_order);
for (int i = 0; i < ndevs; i++) {
device_t child = devs[i];
device_probe_and_attach(child);
}
free(devs, M_TEMP);
return (0);
}
static int
sbsh_detach(device_t dev)
{
struct sbsh_softc *sc = device_get_softc(dev);
struct ifnet *ifp = &sc->arpcom.ac_if;
if (device_is_attached(dev)) {
lwkt_serialize_enter(ifp->if_serializer);
sbsh_stop(sc);
bus_teardown_intr(dev, sc->irq_res, sc->intr_hand);
lwkt_serialize_exit(ifp->if_serializer);
ether_ifdetach(ifp);
}
if (sc->irq_res)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
if (sc->mem_res) {
bus_release_resource(dev, SYS_RES_MEMORY, PCIR_MAPS + 4,
sc->mem_res);
}
return (0);
}
static int
afd_open(struct dev_open_args *ap)
{
device_t dev = ap->a_head.a_dev->si_drv1;
struct ata_device *atadev = device_get_softc(dev);
struct afd_softc *fdp = device_get_ivars(dev);
struct disk_info info;
if (!fdp)
return ENXIO;
if (!device_is_attached(dev))
return EBUSY;
afd_test_ready(dev);
afd_prevent_allow(dev, 1);
if (afd_sense(dev))
device_printf(dev, "sense media type failed\n");
atadev->flags &= ~ATA_D_MEDIA_CHANGED;
if (!fdp->mediasize)
return ENXIO;
bzero(&info, sizeof(info));
info.d_media_blksize = fdp->sectorsize; /* mandatory */
info.d_media_size = fdp->mediasize; /* (this is in bytes) */
info.d_secpertrack = fdp->sectors; /* optional */
info.d_nheads = fdp->heads;
info.d_ncylinders =
((fdp->mediasize/fdp->sectorsize)/fdp->sectors)/fdp->heads;
info.d_secpercyl = fdp->sectors * fdp->heads;
disk_setdiskinfo(&fdp->disk, &info);
return 0;
}
int
acpi_pci_resume(device_t dev)
{
int i, numdevs;
device_t acpi_dev, child, *devlist;
struct pci_devinfo *dinfo;
acpi_dev = devclass_get_device(devclass_find("acpi"), 0);
device_get_children(dev, &devlist, &numdevs);
/*
* Set each child to D0 and restore its PCI configuration space.
*/
for (i = 0; i < numdevs; i++) {
/*
* Notify ACPI we're going to D0 but ignore the result. If
* ACPI is not present, the firmware is responsible for
* managing device power. Only manage type 0 devices for now.
*/
child = devlist[i];
dinfo = (struct pci_devinfo *) device_get_ivars(child);
if (acpi_dev && device_is_attached(child) &&
dinfo->cfg.hdrtype == 0) {
ACPI_PWR_FOR_SLEEP(acpi_dev, child, NULL);
pci_set_powerstate(child, PCI_POWERSTATE_D0);
}
/*
* Now the device is powered up, restore its config space.
*/
pci_cfg_restore(child, dinfo);
}
kfree(devlist, M_TEMP);
return (bus_generic_resume(dev));
}
/*------------------------------------------------------------------------*
* usb_handle_iface_request
*
* Returns:
* 0: Success
* Else: Failure
*------------------------------------------------------------------------*/
static usb_error_t
usb_handle_iface_request(struct usb_xfer *xfer,
void **ppdata, uint16_t *plen,
struct usb_device_request req, uint16_t off, uint8_t state)
{
struct usb_interface *iface;
struct usb_interface *iface_parent; /* parent interface */
struct usb_device *udev = xfer->xroot->udev;
int error;
uint8_t iface_index;
uint8_t temp_state;
if ((req.bmRequestType & 0x1F) == UT_INTERFACE) {
iface_index = req.wIndex[0]; /* unicast */
} else {
iface_index = 0; /* broadcast */
}
/*
* We need to protect against other threads doing probe and
* attach:
*/
USB_XFER_UNLOCK(xfer);
usbd_enum_lock(udev);
error = ENXIO;
tr_repeat:
iface = usbd_get_iface(udev, iface_index);
if ((iface == NULL) ||
(iface->idesc == NULL)) {
/* end of interfaces non-existing interface */
goto tr_stalled;
}
/* set initial state */
temp_state = state;
/* forward request to interface, if any */
if ((error != 0) &&
(error != ENOTTY) &&
(iface->subdev != NULL) &&
device_is_attached(iface->subdev)) {
#if 0
DEVMETHOD(usb_handle_request, NULL); /* dummy */
#endif
error = USB_HANDLE_REQUEST(iface->subdev,
&req, ppdata, plen,
off, &temp_state);
}
iface_parent = usbd_get_iface(udev, iface->parent_iface_index);
if ((iface_parent == NULL) ||
(iface_parent->idesc == NULL)) {
/* non-existing interface */
iface_parent = NULL;
}
/* forward request to parent interface, if any */
if ((error != 0) &&
(error != ENOTTY) &&
(iface_parent != NULL) &&
(iface_parent->subdev != NULL) &&
((req.bmRequestType & 0x1F) == UT_INTERFACE) &&
(iface_parent->subdev != iface->subdev) &&
device_is_attached(iface_parent->subdev)) {
error = USB_HANDLE_REQUEST(iface_parent->subdev,
&req, ppdata, plen, off, &temp_state);
}
if (error == 0) {
/* negativly adjust pointer and length */
*ppdata = ((uint8_t *)(*ppdata)) - off;
*plen += off;
if ((state == USB_HR_NOT_COMPLETE) &&
(temp_state == USB_HR_COMPLETE_OK))
goto tr_short;
else
goto tr_valid;
} else if (error == ENOTTY) {
goto tr_stalled;
}
if ((req.bmRequestType & 0x1F) != UT_INTERFACE) {
iface_index++; /* iterate */
goto tr_repeat;
}
if (state != USB_HR_NOT_COMPLETE) {
/* we are complete */
goto tr_valid;
}
switch (req.bmRequestType) {
case UT_WRITE_INTERFACE:
switch (req.bRequest) {
case UR_SET_INTERFACE:
/*
* We assume that the endpoints are the same
* accross the alternate settings.
*
* Reset the endpoints, because re-attaching
* only a part of the device is not possible.
*/
error = usb_check_alt_setting(udev,
iface, req.wValue[0]);
if (error) {
DPRINTF("alt setting does not exist %s\n",
usbd_errstr(error));
goto tr_stalled;
}
error = usb_reset_iface_endpoints(udev, iface_index);
if (error) {
DPRINTF("alt setting failed %s\n",
usbd_errstr(error));
goto tr_stalled;
}
/* update the current alternate setting */
iface->alt_index = req.wValue[0];
break;
default:
goto tr_stalled;
}
break;
case UT_READ_INTERFACE:
switch (req.bRequest) {
case UR_GET_INTERFACE:
*ppdata = &iface->alt_index;
*plen = 1;
break;
default:
goto tr_stalled;
}
break;
default:
goto tr_stalled;
}
tr_valid:
usbd_enum_unlock(udev);
USB_XFER_LOCK(xfer);
return (0);
tr_short:
usbd_enum_unlock(udev);
USB_XFER_LOCK(xfer);
return (USB_ERR_SHORT_XFER);
tr_stalled:
usbd_enum_unlock(udev);
USB_XFER_LOCK(xfer);
return (USB_ERR_STALLED);
}
static int
hwpstate_probe(device_t dev)
{
struct hwpstate_softc *sc;
device_t perf_dev;
uint64_t msr;
int error, type;
/*
* Only hwpstate0.
* It goes well with acpi_throttle.
*/
if (device_get_unit(dev) != 0)
return (ENXIO);
sc = device_get_softc(dev);
sc->dev = dev;
/*
* Check if acpi_perf has INFO only flag.
*/
perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1);
error = TRUE;
if (perf_dev && device_is_attached(perf_dev)) {
error = CPUFREQ_DRV_TYPE(perf_dev, &type);
if (error == 0) {
if ((type & CPUFREQ_FLAG_INFO_ONLY) == 0) {
/*
* If acpi_perf doesn't have INFO_ONLY flag,
* it will take care of pstate transitions.
*/
HWPSTATE_DEBUG(dev, "acpi_perf will take care of pstate transitions.\n");
return (ENXIO);
} else {
/*
* If acpi_perf has INFO_ONLY flag, (_PCT has FFixedHW)
* we can get _PSS info from acpi_perf
* without going into ACPI.
*/
HWPSTATE_DEBUG(dev, "going to fetch info from acpi_perf\n");
error = hwpstate_get_info_from_acpi_perf(dev, perf_dev);
}
}
}
if (error == 0) {
/*
* Now we get _PSS info from acpi_perf without error.
* Let's check it.
*/
msr = rdmsr(MSR_AMD_10H_11H_LIMIT);
if (sc->cfnum != 1 + AMD_10H_11H_GET_PSTATE_MAX_VAL(msr)) {
HWPSTATE_DEBUG(dev, "msr and acpi _PSS count mismatch.\n");
error = TRUE;
}
}
/*
* If we cannot get info from acpi_perf,
* Let's get info from MSRs.
*/
if (error)
error = hwpstate_get_info_from_msr(dev);
if (error)
return (error);
device_set_desc(dev, "Cool`n'Quiet 2.0");
return (0);
}