示例#1
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
			struct resource *r)
{
	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (rman_get_bustag(r) == I386_BUS_SPACE_MEM) {
		caddr_t vaddr = 0;

		if (rman_get_end(r) < 1024 * 1024) {
			/*
			 * The first 1Mb is mapped at KERNBASE.
			 */
			vaddr = (caddr_t)(uintptr_t)(KERNBASE + rman_get_start(r));
		} else {
			u_int64_t paddr;
			u_int64_t psize;
			u_int32_t poffs;

			paddr = rman_get_start(r);
			psize = rman_get_size(r);

			poffs = paddr - trunc_page(paddr);
			vaddr = (caddr_t) pmap_mapdev(paddr-poffs, psize+poffs) + poffs;
		}
		rman_set_virtual(r, vaddr);
		/* IBM-PC: the type of bus_space_handle_t is u_int */
		rman_set_bushandle(r, (bus_space_handle_t) vaddr);
	}
	return (rman_activate_resource(r));
}
示例#2
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
			struct resource *r)
{
	vm_paddr_t paddr, psize;
	void *vaddr;

	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	switch (type) {
	case SYS_RES_IOPORT:
		rman_set_bustag(r, IA64_BUS_SPACE_IO);
		rman_set_bushandle(r, rman_get_start(r));
		break;
	case SYS_RES_MEMORY:
		paddr = rman_get_start(r);
		psize = rman_get_size(r);
		vaddr = pmap_mapdev(paddr, psize);
		rman_set_virtual(r, vaddr);
		rman_set_bustag(r, IA64_BUS_SPACE_MEM);
		rman_set_bushandle(r, (bus_space_handle_t) paddr);
		break;
	}
	return (rman_activate_resource(r));
}
示例#3
0
int
ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid,
                          struct resource *r)
{
    struct ofw_pci_softc *sc;
    struct bus_space_tag *tag;

    sc = device_get_softc(bus);
    switch (type) {
    case SYS_RES_IRQ:
        return (bus_generic_activate_resource(bus, child, type, rid,
                                              r));
    case SYS_RES_MEMORY:
        tag = sparc64_alloc_bus_tag(r, PCI_MEMORY_BUS_SPACE);
        if (tag == NULL)
            return (ENOMEM);
        rman_set_bustag(r, tag);
        rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_MEM32] +
                           rman_get_start(r));
        break;
    case SYS_RES_IOPORT:
        rman_set_bustag(r, sc->sc_pci_iot);
        rman_set_bushandle(r, sc->sc_pci_bh[OFW_PCI_CS_IO] +
                           rman_get_start(r));
        break;
    }
    return (rman_activate_resource(r));
}
示例#4
0
static int
thunder_pem_activate_resource(device_t dev, device_t child, int type, int rid,
    struct resource *r)
{
	int err;
	bus_addr_t paddr;
	bus_size_t psize;
	bus_space_handle_t vaddr;
	struct thunder_pem_softc *sc;

	if ((err = rman_activate_resource(r)) != 0)
		return (err);

	sc = device_get_softc(dev);

	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = (bus_addr_t)rman_get_start(r);
		psize = (bus_size_t)rman_get_size(r);

		paddr = range_addr_pci_to_phys(sc->ranges, paddr);

		err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_bustag(r, &memmap_bus);
		rman_set_virtual(r, (void *)vaddr);
		rman_set_bushandle(r, vaddr);
	}
	return (0);
}
示例#5
0
static int
sbus_activate_resource(device_t bus, device_t child, int type, int rid,
                       struct resource *r)
{
    struct sbus_softc *sc;
    struct bus_space_tag *tag;
    int i;

    switch (type) {
    case SYS_RES_IRQ:
        return (bus_generic_activate_resource(bus, child, type, rid,
                                              r));
    case SYS_RES_MEMORY:
        sc = device_get_softc(bus);
        for (i = 0; i < sc->sc_nrange; i++) {
            if (rman_is_region_manager(r,
                                       &sc->sc_rd[i].rd_rman) != 0) {
                tag = sparc64_alloc_bus_tag(r, SBUS_BUS_SPACE);
                if (tag == NULL)
                    return (ENOMEM);
                rman_set_bustag(r, tag);
                rman_set_bushandle(r,
                                   sc->sc_rd[i].rd_bushandle +
                                   rman_get_start(r));
                return (rman_activate_resource(r));
            }
        }
    /* FALLTHROUGH */
    default:
        return (EINVAL);
    }
}
示例#6
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	void *vaddr;
	vm_paddr_t paddr;
	vm_size_t psize;
	int err;

	/*
	 * If this is a memory resource, use pmap_mapdev to map it.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = rman_get_start(r);
		psize = rman_get_size(r);
		rman_set_bustag(r, mips_bus_space_generic);
		err = bus_space_map(rman_get_bustag(r), paddr, psize, 0,
		    (bus_space_handle_t *)&vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_virtual(r, vaddr);
		rman_set_bushandle(r, (bus_space_handle_t)(uintptr_t)vaddr);
	} else if (type == SYS_RES_IRQ) {
#ifdef INTRNG
		intr_activate_irq(child, r);
#endif
	}

	return (rman_activate_resource(r));
}
示例#7
0
static int
ocpbus_setup_intr(device_t dev, device_t child, struct resource *res, int flags,
    driver_filter_t *filter, driver_intr_t *ihand, void *arg, void **cookiep)
{
	int error;

	if (res == NULL)
		panic("ocpbus_setup_intr: NULL irq resource!");

	*cookiep = 0;
	if ((rman_get_flags(res) & RF_SHAREABLE) == 0)
		flags |= INTR_EXCL;

	/*
	 * We depend here on rman_activate_resource() being idempotent.
	 */
	error = rman_activate_resource(res);
	if (error)
		return (error);

	error = powerpc_setup_intr(device_get_nameunit(child),
	    rman_get_start(res), filter, ihand, arg, flags, cookiep);

	return (error);
}
示例#8
0
static int
nexus_setup_intr(device_t bus __unused, device_t child, struct resource *r,
    int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg,
    void **cookiep)
{
	int error, domain;

	if (r == NULL)
		panic("%s: NULL interrupt resource!", __func__);

	if (cookiep != NULL)
		*cookiep = NULL;
	if ((rman_get_flags(r) & RF_SHAREABLE) == 0)
		flags |= INTR_EXCL;

	/* We depend here on rman_activate_resource() being idempotent. */
	error = rman_activate_resource(r);
	if (error)
		return (error);

	if (bus_get_domain(child, &domain) != 0) {
		if(bootverbose)
			device_printf(child, "no domain found\n");
		domain = 0;
	}
	error = powerpc_setup_intr(device_get_nameunit(child),
	    rman_get_start(r), filt, intr, arg, flags, cookiep, domain);

	return (error);
}
示例#9
0
文件: fdtbus.c 项目: ornarium/freebsd
static int
fdtbus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *res)
{

	return (rman_activate_resource(res));
}
示例#10
0
/*
 * Currently this uses the really grody interface from kern/kern_intr.c
 * (which really doesn't belong in kern/anything.c).  Eventually, all of
 * the code in kern_intr.c and machdep_intr.c should get moved here, since
 * this is going to be the official interface.
 */
static int
nexus_setup_intr(device_t bus, device_t child, struct resource *irq,
		 int flags, void (*ihand)(void *), void *arg,
		 void **cookiep, lwkt_serialize_t serializer)
{
	int	error, icflags;

	/* somebody tried to setup an irq that failed to allocate! */
	if (irq == NULL)
		panic("nexus_setup_intr: NULL irq resource!");

	*cookiep = 0;
	icflags = flags;
	if ((irq->r_flags & RF_SHAREABLE) == 0)
		icflags |= INTR_EXCL;

	/*
	 * We depend here on rman_activate_resource() being idempotent.
	 */
	error = rman_activate_resource(irq);
	if (error)
		return (error);

	/*
	 * XXX cast the interrupt handler function to an inthand2_t.  The
	 * difference is that an additional frame argument is passed which
	 * we do not currently want to expose the BUS subsystem to.
	 */
	*cookiep = register_int(irq->r_start, (inthand2_t *)ihand, arg,
				device_get_nameunit(child), serializer,
				icflags, rman_get_cpuid(irq));
	if (*cookiep == NULL)
		error = EINVAL;
	return (error);
}
示例#11
0
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	int err;
	bus_addr_t paddr;
	bus_size_t psize;
	bus_space_handle_t vaddr;

	if ((err = rman_activate_resource(r)) != 0)
		return (err);

	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		paddr = (bus_addr_t)rman_get_start(r);
		psize = (bus_size_t)rman_get_size(r);
		err = bus_space_map(&memmap_bus, paddr, psize, 0, &vaddr);
		if (err != 0) {
			rman_deactivate_resource(r);
			return (err);
		}
		rman_set_bustag(r, &memmap_bus);
		rman_set_virtual(r, (void *)vaddr);
		rman_set_bushandle(r, vaddr);
	} else if (type == SYS_RES_IRQ) {
		intr_activate_irq(child, r);
	}
	return (0);
}
示例#12
0
文件: nexus.c 项目: amir-partovi/Taha
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{
	/*
	 * If this is a memory resource, map it into the kernel.
	 */
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		caddr_t vaddr = 0;
		u_int32_t paddr;
		u_int32_t psize;
		u_int32_t poffs;

		paddr = rman_get_start(r);
		psize = rman_get_size(r);
		poffs = paddr - trunc_page(paddr);
		vaddr = (caddr_t) pmap_mapdev(paddr-poffs, psize+poffs) + poffs;
		rman_set_virtual(r, vaddr);
#ifdef FDT
		rman_set_bustag(r, fdtbus_bs_tag);
#else
		rman_set_bustag(r, (void *)1);
#endif
		rman_set_bushandle(r, (bus_space_handle_t) vaddr);
	}
	return (rman_activate_resource(r));
}
示例#13
0
static int
pxa_activate_resource(device_t dev, device_t child, int type, int rid,
    struct resource *r)
{

	return (rman_activate_resource(r));
}
示例#14
0
文件: uninorth.c 项目: coyizumi/cs111
static int
unin_chip_activate_resource(device_t bus, device_t child, int type, int rid,
			    struct resource *res)
{
	void    *p;

	if (type == SYS_RES_IRQ)
                return (bus_activate_resource(bus, type, rid, res));

	if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
		vm_offset_t start;

		start = (vm_offset_t) rman_get_start(res);

		if (bootverbose)
			printf("unin mapdev: start %zx, len %ld\n", start,
			       rman_get_size(res));

		p = pmap_mapdev(start, (vm_size_t) rman_get_size(res));
		if (p == NULL)
			return (ENOMEM);
		rman_set_virtual(res, p);
		rman_set_bustag(res, &bs_be_tag);
		rman_set_bushandle(res, (u_long)p);
	}

	return (rman_activate_resource(res));
}
示例#15
0
文件: ebus.c 项目: AhmadTux/freebsd
static int
ebus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *res)
{
	struct ebus_softc *sc;
	struct ebus_rinfo *eri;
	bus_space_tag_t bt;
	bus_space_handle_t bh;
	int i, rv;

	sc = device_get_softc(bus);
	if ((sc->sc_flags & EBUS_PCI) != 0 && type == SYS_RES_MEMORY) {
		for (i = 0; i < sc->sc_nrange; i++) {
			eri = &sc->sc_rinfo[i];
			if (rman_is_region_manager(res, &eri->eri_rman) != 0) {
				bt = rman_get_bustag(eri->eri_res);
				rv = bus_space_subregion(bt,
				    rman_get_bushandle(eri->eri_res),
				    rman_get_start(res) -
				    rman_get_start(eri->eri_res),
				    rman_get_size(res), &bh);
				if (rv != 0)
					return (rv);
				rman_set_bustag(res, bt);
				rman_set_bushandle(res, bh);
				return (rman_activate_resource(res));
			}
		}
		return (EINVAL);
	}
	return (bus_generic_activate_resource(bus, child, type, rid, res));
}
示例#16
0
文件: wii_bus.c 项目: coyizumi/cs111
static int
wiibus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *res)
{
	void *p;

	switch (type) {
	case SYS_RES_MEMORY:
		p = pmap_mapdev(rman_get_start(res), rman_get_size(res));
		if (p == NULL)
			return (ENOMEM);
		rman_set_virtual(res, p);
		rman_set_bustag(res, &bs_be_tag);
		rman_set_bushandle(res, (unsigned long)p);
		break;
	case SYS_RES_IRQ:
		return (bus_activate_resource(bus, type, rid, res));
	default:
		device_printf(bus,
		    "unknown activate resource request from %s\n",
		    device_get_nameunit(child));
		return (ENXIO);
	}
	
	return (rman_activate_resource(res));
}
示例#17
0
文件: nexus.c 项目: MarginC/kame
/*
 * Currently this uses the really grody interface from kern/kern_intr.c
 * (which really doesn't belong in kern/anything.c).  Eventually, all of
 * the code in kern_intr.c and machdep_intr.c should get moved here, since
 * this is going to be the official interface.
 */
static int
nexus_setup_intr(device_t bus, device_t child, struct resource *irq,
		 int flags, void (*ihand)(void *), void *arg, void **cookiep)
{
	driver_t	*driver;
	int		error;

	/* somebody tried to setup an irq that failed to allocate! */
	if (irq == NULL)
		panic("nexus_setup_intr: NULL irq resource!");

	*cookiep = 0;
	if ((irq->r_flags & RF_SHAREABLE) == 0)
		flags |= INTR_EXCL;

	driver = device_get_driver(child);

	/*
	 * We depend here on rman_activate_resource() being idempotent.
	 */
	error = rman_activate_resource(irq);
	if (error)
		return (error);

	error = inthand_add(device_get_nameunit(child), irq->r_start,
	    ihand, arg, flags, cookiep);

	return (error);
}
示例#18
0
static int
octopci_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *res)
{
	bus_space_handle_t bh;
	int error;

	switch (type) {
	case SYS_RES_IRQ:
		error = bus_generic_activate_resource(bus, child, type, rid,
						      res);
		if (error != 0)
			return (error);
		return (0);
	case SYS_RES_MEMORY:
	case SYS_RES_IOPORT:
		error = bus_space_map(rman_get_bustag(res),
		    rman_get_bushandle(res), rman_get_size(res), 0, &bh);
		if (error != 0)
			return (error);
		rman_set_bushandle(res, bh);
		break;
	default:
		return (ENXIO);
	}

	error = rman_activate_resource(res);
	if (error != 0)
		return (error);
	return (0);
}
示例#19
0
static int
ofw_pci_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *res)
{
	struct ofw_pci_softc *sc;
	void	*p;

	sc = device_get_softc(bus);

	if (type == SYS_RES_IRQ) {
		return (bus_activate_resource(bus, type, rid, res));
	}
	if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) {
		struct ofw_pci_range *rp;
		vm_offset_t start;
		int space;

		start = (vm_offset_t)rman_get_start(res);

		/*
		 * Map this through the ranges list
		 */
		for (rp = sc->sc_range; rp < sc->sc_range + sc->sc_nrange &&
		       rp->pci_hi != 0; rp++) {
			if (start < rp->pci || start >= rp->pci + rp->size)
				continue;

			switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) {
			case OFW_PCI_PHYS_HI_SPACE_IO:
				space = SYS_RES_IOPORT;
				break;
			case OFW_PCI_PHYS_HI_SPACE_MEM32:
			case OFW_PCI_PHYS_HI_SPACE_MEM64:
				space = SYS_RES_MEMORY;
				break;
			default:
				space = -1;
			}

			if (type == space) {
				start += (rp->host - rp->pci);
				break;
			}
		}

		if (bootverbose)
			printf("ofw_pci mapdev: start %zx, len %ld\n", start,
			    rman_get_size(res));

		p = pmap_mapdev(start, (vm_size_t)rman_get_size(res));
		if (p == NULL)
			return (ENOMEM);

		rman_set_virtual(res, p);
		rman_set_bustag(res, &bs_le_tag);
		rman_set_bushandle(res, (u_long)p);
	}

	return (rman_activate_resource(res));
}
示例#20
0
文件: nexus.c 项目: outbackdingo/uBSD
static int
nexus_setup_intr(device_t bus __unused, device_t child, struct resource *r,
                 int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg,
                 void **cookiep)
{
    int error;

    if (r == NULL)
        panic("%s: NULL interrupt resource!", __func__);

    if ((rman_get_flags(r) & RF_SHAREABLE) == 0)
        flags |= INTR_EXCL;

    /* We depend here on rman_activate_resource() being idempotent. */
    error = rman_activate_resource(r);
    if (error)
        return (error);

    error = inthand_add(device_get_nameunit(child), rman_get_start(r),
                        filt, intr, arg, flags, cookiep);

    /*
     * XXX in case of the AFB/FFB interrupt and a Psycho, Sabre or U2S
     * bridge enable the interrupt in the respective bridge.
     */

    return (error);
}
示例#21
0
static int
lbc_activate_resource(device_t bus __unused, device_t child __unused,
    int type __unused, int rid __unused, struct resource *r)
{

	/* Child resources were already mapped, just activate. */
	return (rman_activate_resource(r));
}
示例#22
0
文件: nexus.c 项目: MarginC/kame
static int
nexus_activate_resource(device_t bus, device_t child, int type, int rid,
                        struct resource *r)
{

    /* Not much to be done yet... */
    return (rman_activate_resource(r));
}
示例#23
0
static int
vnex_setup_intr(device_t dev, device_t child, struct resource *res, int flags,
                driver_filter_t *filt,driver_intr_t *intr, void *arg, void **cookiep)
{

    uint64_t reg, nreg;
    uint64_t ihdl, cfg;
    uint64_t ino, nino;
    int error, cpuid;

    if (res == NULL)
        panic("%s: NULL interrupt resource!", __func__);

    if ((error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &reg, &nreg)))
        goto fail;

    if ((error = bus_get_resource(child, SYS_RES_IRQ, 0, &ino, &nino)))
        goto fail;

    cfg = SUN4V_REG_SPEC2CFG_HDL(reg);

    if (hv_intr_devino_to_sysino(cfg, (uint32_t)ino, &ihdl) != H_EOK) {
        error = ENXIO;
        goto fail;
    }

    cpuid = 0;

    if (hv_intr_settarget(ihdl, cpuid) != H_EOK) {
        error = ENXIO;
        goto fail;
    }

    if (hv_intr_setstate(ihdl, HV_INTR_IDLE_STATE) != H_EOK) {
        error = ENXIO;
        goto fail;
    }

    if (hv_intr_setenabled(ihdl, HV_INTR_ENABLED) != H_EOK) {
        error = ENXIO;
        goto fail;
    }

    if ((rman_get_flags(res) & RF_SHAREABLE) == 0)
        flags |= INTR_EXCL;

    /* We depend here on rman_activate_resource() being idempotent. */
    if ((error = rman_activate_resource(res)))
        goto fail;

    error = inthand_add(device_get_nameunit(child), ihdl,
                        filt, intr, arg, flags, cookiep);

    printf("inthandler added\n");
fail:

    return (error);
}
示例#24
0
文件: sbus.c 项目: MarginC/kame
static int
sbus_activate_resource(device_t bus, device_t child, int type, int rid,
    struct resource *r)
{

	if (type == SYS_RES_IRQ)
		return (bus_activate_resource(bus, type, rid, r));
	return (rman_activate_resource(r));
}
示例#25
0
/*
 * Currently this uses the really grody interface from kern/kern_intr.c
 * (which really doesn't belong in kern/anything.c).  Eventually, all of
 * the code in kern_intr.c and machdep_intr.c should get moved here, since
 * this is going to be the official interface.
 */
static int
nexus_setup_intr(device_t bus, device_t child, struct resource *irq,
		 int flags, void (*ihand)(void *), void *arg, void **cookiep)
{
	intrmask_t	*mask;
	driver_t	*driver;
	int	error, icflags;

	/* somebody tried to setup an irq that failed to allocate! */
	if (irq == NULL)
		panic("nexus_setup_intr: NULL irq resource!");

	*cookiep = 0;
	if (irq->r_flags & RF_SHAREABLE)
		icflags = 0;
	else
		icflags = INTR_EXCL;

	driver = device_get_driver(child);
	switch (flags) {
	case INTR_TYPE_TTY:
		mask = &tty_imask;
		break;
	case (INTR_TYPE_TTY | INTR_TYPE_FAST):
		mask = &tty_imask;
		icflags |= INTR_FAST;
		break;
	case INTR_TYPE_BIO:
		mask = &bio_imask;
		break;
	case INTR_TYPE_NET:
		mask = &net_imask;
		break;
	case INTR_TYPE_CAM:
		mask = &cam_imask;
		break;
	case INTR_TYPE_MISC:
		mask = 0;
		break;
	default:
		panic("still using grody create_intr interface");
	}

	/*
	 * We depend here on rman_activate_resource() being idempotent.
	 */
	error = rman_activate_resource(irq);
	if (error)
		return (error);

	*cookiep = inthand_add(device_get_nameunit(child), irq->r_start,
	    ihand, arg, mask, icflags);
	if (*cookiep == NULL)
		error = EINVAL;	/* XXX ??? */

	return (error);
}
示例#26
0
文件: nexus.c 项目: outbackdingo/uBSD
static int
nexus_activate_resource(device_t bus __unused, device_t child __unused,
                        int type, int rid __unused, struct resource *r)
{

    if (type == SYS_RES_MEMORY) {
        rman_set_bustag(r, &nexus_bustag);
        rman_set_bushandle(r, rman_get_start(r));
    }
    return (rman_activate_resource(r));
}
示例#27
0
struct resource *
puc_bus_alloc_resource(device_t dev, device_t child, int type, int *rid,
    u_long start, u_long end, u_long count, u_int flags)
{
	struct puc_port *port;
	struct resource *res;
	device_t assigned, originator;
	int error;

	/* Get our immediate child. */
	originator = child;
	while (child != NULL && device_get_parent(child) != dev)
		child = device_get_parent(child);
	if (child == NULL)
		return (NULL);

	port = device_get_ivars(child);
	KASSERT(port != NULL, ("%s %d", __func__, __LINE__));

	if (rid == NULL || *rid != 0)
		return (NULL);

	/* We only support default allocations. */
	if (start != 0UL || end != ~0UL)
		return (NULL);

	if (type == port->p_bar->b_type)
		res = port->p_rres;
	else if (type == SYS_RES_IRQ)
		res = port->p_ires;
	else
		return (NULL);

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

	assigned = rman_get_device(res);
	if (assigned == NULL)	/* Not allocated */
		rman_set_device(res, originator);
	else if (assigned != originator)
		return (NULL);

	if (flags & RF_ACTIVE) {
		error = rman_activate_resource(res);
		if (error) {
			if (assigned == NULL)
				rman_set_device(res, NULL);
			return (NULL);
		}
	}

	return (res);
}
static int
generic_pcie_activate_resource(device_t dev, device_t child, int type,
    int rid, struct resource *r)
{
	struct generic_pcie_core_softc *sc;
	uint64_t phys_base;
	uint64_t pci_base;
	uint64_t size;
	int found;
	int res;
	int i;

	sc = device_get_softc(dev);

	if ((res = rman_activate_resource(r)) != 0)
		return (res);

	switch (type) {
	case SYS_RES_IOPORT:
		found = 0;
		for (i = 0; i < MAX_RANGES_TUPLES; i++) {
			pci_base = sc->ranges[i].pci_base;
			phys_base = sc->ranges[i].phys_base;
			size = sc->ranges[i].size;

			if ((rid > pci_base) && (rid < (pci_base + size))) {
				found = 1;
				break;
			}
		}
		if (found) {
			rman_set_start(r, rman_get_start(r) + phys_base);
			rman_set_end(r, rman_get_end(r) + phys_base);
			res = BUS_ACTIVATE_RESOURCE(device_get_parent(dev),
			    child, type, rid, r);
		} else {
			device_printf(dev,
			    "Failed to activate IOPORT resource\n");
			res = 0;
		}
		break;
	case SYS_RES_MEMORY:
	case SYS_RES_IRQ:
		res = BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child,
		    type, rid, r);
		break;
	default:
		break;
	}

	return (res);
}
示例#29
0
文件: chipc.c 项目: wulf7/freebsd
/**
 * Retain an RF_ACTIVE reference to the region mapping @p r, and
 * configure @p r with its subregion values.
 *
 * @param sc Driver instance state.
 * @param child Requesting child device.
 * @param type resource type of @p r.
 * @param rid resource id of @p r
 * @param r resource to be activated.
 * @param req_direct If true, failure to allocate a direct bhnd resource
 * will be treated as an error. If false, the resource will not be marked
 * as RF_ACTIVE if bhnd direct resource allocation fails.
 */
static int
chipc_try_activate_resource(struct chipc_softc *sc, device_t child, int type,
    int rid, struct resource *r, bool req_direct)
{
	struct rman		*rm;
	struct chipc_region	*cr;
	bhnd_size_t		 cr_offset;
	rman_res_t		 r_start, r_end, r_size;
	int			 error;

	rm = chipc_get_rman(sc, type);
	if (rm == NULL || !rman_is_region_manager(r, rm))
		return (EINVAL);

	r_start = rman_get_start(r);
	r_end = rman_get_end(r);
	r_size = rman_get_size(r);

	/* Find the corresponding chipc region */
	cr = chipc_find_region(sc, r_start, r_end);
	if (cr == NULL)
		return (EINVAL);
	
	/* Calculate subregion offset within the chipc region */
	cr_offset = r_start - cr->cr_addr;

	/* Retain (and activate, if necessary) the chipc region */
	if ((error = chipc_retain_region(sc, cr, RF_ACTIVE)))
		return (error);

	/* Configure child resource with its subregion values. */
	if (cr->cr_res->direct) {
		error = chipc_init_child_resource(r, cr->cr_res->res,
		    cr_offset, r_size);
		if (error)
			goto cleanup;

		/* Mark active */
		if ((error = rman_activate_resource(r)))
			goto cleanup;
	} else if (req_direct) {
		error = ENOMEM;
		goto cleanup;
	}

	return (0);

cleanup:
	chipc_release_region(sc, cr, RF_ACTIVE);
	return (error);
}
示例#30
0
int
isa_setup_intr(device_t dev, device_t child,
	       struct resource *irq, int flags,
	       driver_intr_t *intr, void *arg, void **cookiep)
{
	struct isa_intr *ii;
	int error;

	if (platform.isa_setup_intr)
		return platform.isa_setup_intr(dev, child, irq, flags, 
			intr, arg, cookiep);	

	if (irq == NULL)
		return ENODEV;

	error = rman_activate_resource(irq);
	if (error)
		return error;

	ii = malloc(sizeof(struct isa_intr), M_DEVBUF, M_NOWAIT);
	if (!ii)
		return ENOMEM;
	ii->intr = intr;
	ii->arg = arg;
	ii->irq = irq->r_start;

	error = alpha_setup_intr(
			 device_get_nameunit(child ? child : dev),
			 0x800 + (irq->r_start << 4), 
			 ((flags & INTR_FAST) ? isa_handle_fast_intr :
			     isa_handle_intr), ii, flags, &ii->ih,
			 &intrcnt[INTRCNT_ISA_IRQ + irq->r_start],
			 isa_disable_intr, isa_enable_intr);
	if (error) {
		free(ii, M_DEVBUF);
		return error;
	}
	mtx_lock_spin(&icu_lock);
	isa_intr_enable(irq->r_start);
	mtx_unlock_spin(&icu_lock);

	*cookiep = ii;

	if (child)
		device_printf(child, "interrupting at ISA irq %d\n",
			      (int)irq->r_start);

	return 0;
}