C++ rman_get_rid函数代码示例

static int
rtwn_pci_detach(device_t dev)
{
	struct rtwn_pci_softc *pc = device_get_softc(dev);
	struct rtwn_softc *sc = &pc->pc_sc;
	int i;

	/* Generic detach. */
	rtwn_detach(sc);

	/* Uninstall interrupt handler. */
	if (pc->irq != NULL) {
		bus_teardown_intr(dev, pc->irq, pc->pc_ih);
		bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(pc->irq),
		    pc->irq);
		pci_release_msi(dev);
	}

	/* Free Tx/Rx buffers. */
	for (i = 0; i < RTWN_PCI_NTXQUEUES; i++)
		rtwn_pci_free_tx_list(sc, i);
	rtwn_pci_free_rx_list(sc);

	if (pc->mem != NULL)
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(pc->mem), pc->mem);

	rtwn_detach_private(sc);
	mtx_destroy(&sc->sc_mtx);

	return (0);
}

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 void
at91_spi_deactivate(device_t dev)
{
	struct at91_spi_softc *sc;
	int i;

	sc = device_get_softc(dev);
	bus_generic_detach(dev);

	for (i = 0; i < 4; i++)
		if (sc->map[i])
			bus_dmamap_destroy(sc->dmatag, sc->map[i]);

	if (sc->dmatag)
		bus_dma_tag_destroy(sc->dmatag);

	if (sc->intrhand)
		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
	sc->intrhand = NULL;
	if (sc->irq_res)
		bus_release_resource(dev, SYS_RES_IRQ,
		    rman_get_rid(sc->irq_res), sc->irq_res);
	sc->irq_res = NULL;

	if (sc->mem_res)
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(sc->mem_res), sc->mem_res);
	sc->mem_res = NULL;
}

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);
}

/*
 * Free bus resources
 */
static void
mpt_free_bus_resources(struct mpt_softc *mpt)
{

	if (mpt->ih) {
		bus_teardown_intr(mpt->dev, mpt->pci_irq, mpt->ih);
		mpt->ih = NULL;
	}

	if (mpt->pci_irq) {
		bus_release_resource(mpt->dev, SYS_RES_IRQ,
		    rman_get_rid(mpt->pci_irq), mpt->pci_irq);
		mpt->pci_irq = NULL;
	}

	if (mpt->pci_msi_count) {
		pci_release_msi(mpt->dev);
		mpt->pci_msi_count = 0;
	}
		
	if (mpt->pci_pio_reg) {
		bus_release_resource(mpt->dev, SYS_RES_IOPORT,
		    rman_get_rid(mpt->pci_pio_reg), mpt->pci_pio_reg);
		mpt->pci_pio_reg = NULL;
	}
	if (mpt->pci_reg) {
		bus_release_resource(mpt->dev, SYS_RES_MEMORY,
		    rman_get_rid(mpt->pci_reg), mpt->pci_reg);
		mpt->pci_reg = NULL;
	}
	MPT_LOCK_DESTROY(mpt);
}

static int
zy7_ehci_detach(device_t dev)
{
	ehci_softc_t *sc = device_get_softc(dev);

	/* during module unload there are lots of children leftover */
	device_delete_children(dev);
	
	sc->sc_flags &= ~EHCI_SCFLG_DONEINIT;

	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_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
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;

	bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
	am7990_detach(&lesc->sc_am7990);
	bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
	bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
	bus_dma_tag_destroy(lesc->sc_dmat);
	bus_dma_tag_destroy(lesc->sc_pdmat);
	bus_release_resource(dev, SYS_RES_IRQ,
	    rman_get_rid(lesc->sc_ires), lesc->sc_ires);
	bus_release_resource(dev, SYS_RES_DRQ,
	    rman_get_rid(lesc->sc_dres), lesc->sc_dres);
	bus_release_resource(dev, SYS_RES_IOPORT,
	    rman_get_rid(lesc->sc_rres), lesc->sc_rres);
	LE_LOCK_DESTROY(sc);

	return (0);
}

static int
xhci_detach(device_t dev)
{
	struct xhci_softc *sc = device_get_softc(dev);
	int err;

	/* during module unload there are lots of children leftover */
	device_delete_children(dev);

	if (sc->sc_irq_res != NULL && sc->sc_intr_hdl != NULL) {
		err = bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intr_hdl);
		if (err != 0)
			device_printf(dev, "Could not tear down irq, %d\n",
			    err);
		sc->sc_intr_hdl = NULL;
	}

	if (sc->sc_irq_res != NULL) {
		bus_release_resource(dev, SYS_RES_IRQ,
		    rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);
		sc->sc_irq_res = NULL;
	}

	if (sc->sc_io_res != NULL) {
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(sc->sc_io_res), sc->sc_io_res);
		sc->sc_io_res = NULL;
	}

	xhci_uninit(sc);

	return (0);
}

/**
 *	ti_mmchs_deactivate - deactivates the driver
 *	@dev: mmc device handle
 *
 *	Unmaps the register set and releases the IRQ resource.
 *
 *	LOCKING:
 *	None required
 *
 *	RETURNS:
 *	nothing
 */
static void
ti_mmchs_deactivate(device_t dev)
{
	struct ti_mmchs_softc *sc= device_get_softc(dev);

	/* Remove the IRQ handler */
	if (sc->sc_irq_h != NULL) {
		bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_irq_h);
		sc->sc_irq_h = NULL;
	}

	/* Do the generic detach */
	bus_generic_detach(sc->sc_dev);

	/* Deactivate the DMA channels */
	ti_sdma_deactivate_channel(sc->sc_dmach_rd);
	ti_sdma_deactivate_channel(sc->sc_dmach_wr);

	/* Unmap the MMC controller registers */
	if (sc->sc_mem_res != 0) {
		bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(sc->sc_irq_res),
		    sc->sc_mem_res);
		sc->sc_mem_res = NULL;
	}

	/* Release the IRQ resource */
	if (sc->sc_irq_res != NULL) {
		bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(sc->sc_irq_res),
		    sc->sc_irq_res);
		sc->sc_irq_res = NULL;
	}

	return;
}

static int
le_dma_detach(device_t dev)
{
	struct le_dma_softc *lesc;
	struct lance_softc *sc;
	int error;

	lesc = device_get_softc(dev);
	sc = &lesc->sc_am7990.lsc;

	bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih);
	am7990_detach(&lesc->sc_am7990);
	bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam);
	bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam);
	bus_dma_tag_destroy(lesc->sc_dmat);
	error = lsi64854_detach(lesc->sc_dma);
	if (error != 0)
		return (error);
	bus_release_resource(dev, SYS_RES_IRQ, rman_get_rid(lesc->sc_ires),
	    lesc->sc_ires);
	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(lesc->sc_rres),
	    lesc->sc_rres);
	LE_LOCK_DESTROY(sc);

	return (0);
}

static void
at91_rtc_deactivate(device_t dev)
{
	struct at91_rtc_softc *sc;

	sc = device_get_softc(dev);
#ifdef AT91_RTC_USE_INTERRUPTS
	WR4(sc, RTC_IDR, 0xffffffff);
	if (sc->intrhand)
		bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
	sc->intrhand = 0;
#endif
	bus_generic_detach(sc->dev);
	if (sc->mem_res)
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(sc->mem_res), sc->mem_res);
	sc->mem_res = 0;
#ifdef AT91_RTC_USE_INTERRUPTS
	if (sc->irq_res)
		bus_release_resource(dev, SYS_RES_IRQ,
		    rman_get_rid(sc->irq_res), sc->irq_res);
	sc->irq_res = 0;
#endif	
	return;
}

static int
simplebus_setup_intr(device_t bus, device_t child, struct resource *res,
                     int flags, driver_filter_t *filter, driver_intr_t *ihand, void *arg,
                     void **cookiep)
{
    struct simplebus_devinfo *di;
    enum intr_trigger trig;
    enum intr_polarity pol;
    int error, rid;

    di = device_get_ivars(child);
    if (di == NULL)
        return (ENXIO);

    if (res == NULL)
        return (EINVAL);

    rid = rman_get_rid(res);
    if (rid >= DI_MAX_INTR_NUM)
        return (ENOENT);

    trig = di->di_intr_sl[rid].trig;
    pol = di->di_intr_sl[rid].pol;
    if (trig != INTR_TRIGGER_CONFORM || pol != INTR_POLARITY_CONFORM) {
        error = bus_generic_config_intr(bus, rman_get_start(res),
                                        trig, pol);
        if (error)
            return (error);
    }

    error = bus_generic_setup_intr(bus, child, res, flags, filter, ihand,
                                   arg, cookiep);
    return (error);
}

static int
nicvf_detach(device_t dev)
{
	struct nicvf *nic;

	nic = device_get_softc(dev);

	NICVF_CORE_LOCK(nic);
	/* Shut down the port and release ring resources */
	nicvf_stop_locked(nic);
	/* Release stats lock */
	mtx_destroy(&nic->stats_mtx);
	/* Release interrupts */
	nicvf_release_all_interrupts(nic);
	/* Release memory resource */
	if (nic->reg_base != NULL) {
		bus_release_resource(dev, SYS_RES_MEMORY,
		    rman_get_rid(nic->reg_base), nic->reg_base);
	}

	/* Remove all ifmedia configurations */
	ifmedia_removeall(&nic->if_media);
	/* Free this ifnet */
	if_free(nic->ifp);
	NICVF_CORE_UNLOCK(nic);
	/* Finally destroy the lock */
	NICVF_CORE_LOCK_DESTROY(nic);

	return (0);
}

static int
le_isa_probe_legacy(device_t dev, const struct le_isa_param *leip)
{
	struct le_isa_softc *lesc;
	struct lance_softc *sc;
	int error, i;

	lesc = device_get_softc(dev);
	sc = &lesc->sc_am7990.lsc;

	i = 0;
	lesc->sc_rres = bus_alloc_resource(dev, SYS_RES_IOPORT, &i, 0, ~0,
	    leip->iosize, RF_ACTIVE);
	if (lesc->sc_rres == NULL)
		return (ENXIO);
	lesc->sc_rap = leip->rap;
	lesc->sc_rdp = leip->rdp;

	/* Stop the chip and put it in a known state. */
	le_isa_wrcsr(sc, LE_CSR0, LE_C0_STOP);
	DELAY(100);
	if (le_isa_rdcsr(sc, LE_CSR0) != LE_C0_STOP) {
		error = ENXIO;
		goto fail;
	}
	le_isa_wrcsr(sc, LE_CSR3, 0);
	error = 0;

 fail:
	bus_release_resource(dev, SYS_RES_IOPORT,
	    rman_get_rid(lesc->sc_rres), lesc->sc_rres);
	return (error);
}

static int
hme_pci_detach(device_t dev)
{
	struct hme_pci_softc *hsc;
	struct hme_softc *sc;

	hsc = device_get_softc(dev);
	sc = &hsc->hsc_hme;
	bus_teardown_intr(dev, hsc->hsc_ires, hsc->hsc_ih);
	hme_detach(sc);
	bus_release_resource(dev, SYS_RES_IRQ,
	    rman_get_rid(hsc->hsc_ires), hsc->hsc_ires);
	bus_release_resource(dev, SYS_RES_MEMORY,
	    rman_get_rid(hsc->hsc_sres), hsc->hsc_sres);
	mtx_destroy(&sc->sc_lock);
	return (0);
}