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C++ pci_decompose_tag函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中pci_decompose_tag函数的典型用法代码示例。如果您正苦于以下问题：C++ pci_decompose_tag函数的具体用法？C++ pci_decompose_tag怎么用？C++ pci_decompose_tag使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了pci_decompose_tag函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ht_conf_read

pcireg_t
ht_conf_read(void *cpv, pcitag_t tag, int offset)
{
	struct ht_softc *sc = cpv;
	int bus, dev, fcn;
	pcireg_t reg;
	uint32_t val;

	val = PCITAG_OFFSET(tag);
#ifdef DEBUG
	printf("ht_conf_read: tag=%x, offset=%x\n", val, offset);
#endif
	pci_decompose_tag(NULL, tag, &bus, &dev, &fcn);
	if (bus == 0 && dev == 0) {
		val |= (offset << 2);
		reg = bus_space_read_4(sc->sc_iot, sc->sc_config0_ioh, val);
		reg = letoh32(reg);
	} else if (bus == 0) {
		/* XXX Why can we only access function 0? */
		if (fcn > 0)
			return ~0;
		val |= offset;
		reg = bus_space_read_4(sc->sc_memt, sc->sc_config0_memh, val);
	} else {
		val |= offset;
		reg = bus_space_read_4(sc->sc_memt, sc->sc_config1_memh, val);
	}
#ifdef DEBUG
	printf("ht_conf_read: reg=%x\n", reg);
#endif
	return reg;
}
开发者ID:bradla，项目名称:OpenBSD-Hammer2，代码行数:32，代码来源:ht.c


示例2: pci_conf_read

pcireg_t
pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
{
	pcireg_t data;
	int bus, dev, func;

	pci_decompose_tag(pc, tag, &bus, &dev, &func);

	/*
	 * 2700 hardware wedges on accesses to device 6.
	 */
	if (bus == 0 && dev == 6)
		return 0;
	/*
	 * 2800 hardware wedges on accesses to device 31.
	 */
	if (bus == 0 && dev == 31)
		return 0;

	bus_space_write_4(pc->pc_bst, pc->pc_bsh, GT_PCICFG_ADDR,
	    PCICFG_ENABLE | tag | reg);
	data = bus_space_read_4(pc->pc_bst, pc->pc_bsh, GT_PCICFG_DATA);
	bus_space_write_4(pc->pc_bst, pc->pc_bsh, GT_PCICFG_ADDR, 0);

	return data;
}
开发者ID:lacombar，项目名称:netbsd-alc，代码行数:26，代码来源:pci_machdep.c


示例3: giopci_conf_read

static pcireg_t
giopci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
{
	struct giopci_softc *sc = pc->cookie;
	int bus, dev, func;
	pcireg_t data;

	if ((unsigned int)reg >= PCI_CONF_SIZE)
		return (pcireg_t) -1;

	pci_decompose_tag(pc, tag, &bus, &dev, &func);
	if (bus != 0 || dev != 0 || func != 0)
		return (0);

	/* XXX - should just use bus_space_peek */
	if (reg >= sc->sc_pci_len) {
		DPRINTF(("giopci_conf_read: reg 0x%x out of bounds\n", reg));
		return (0);
	}

	DPRINTF(("giopci_conf_read: reg 0x%x = 0x", reg));
	data = bus_space_read_4(sc->sc_iot, sc->sc_ioh, reg);
	DPRINTF(("%08x\n", data));

	return (data);
}
开发者ID:ryo，项目名称:netbsd-src，代码行数:26，代码来源:pci_gio.c


示例4: aapic_attach

void
aapic_attach(struct device *parent, struct device *self, void *aux)
{
	struct pci_attach_args *pa = aux;
	int bus, dev, func;
	pcitag_t tag;
	pcireg_t reg;

	printf("\n");

#if NIOAPIC > 0
	if (nioapics == 0)
		return;
#else
	return;
#endif
	
	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMD8131_IOAPIC_CTL);
	reg |= AMD8131_IOAEN;
	pci_conf_write(pa->pa_pc, pa->pa_tag, AMD8131_IOAPIC_CTL, reg);

	pci_decompose_tag(pa->pa_pc, pa->pa_tag, &bus, &dev, &func);
	func = 0;
	tag = pci_make_tag(pa->pa_pc, bus, dev, func);
	reg = pci_conf_read(pa->pa_pc, tag, AMD8131_PCIX_MISC);
	reg &= ~AMD8131_NIOAMODE;
	pci_conf_write(pa->pa_pc, tag, AMD8131_PCIX_MISC, reg);
}
开发者ID:repos-holder，项目名称:openbsd-patches，代码行数:28，代码来源:aapic.c


示例5: ht_conf_write

void
ht_conf_write(void *cpv, pcitag_t tag, int offset, pcireg_t data)
{
	struct ht_softc *sc = cpv;
	int bus, dev, fcn;
	uint32_t val;

	val = PCITAG_OFFSET(tag);
#ifdef DEBUG
	printf("ht_conf_write: tag=%x, offset=%x, data = %x\n",
	       val, offset, data);
#endif
	pci_decompose_tag(NULL, tag, &bus, &dev, &fcn);
	if (bus == 0 && dev == 0) {
		val |= (offset << 2);
		data = htole32(data);
		bus_space_write_4(sc->sc_iot, sc->sc_config0_ioh, val, data);
		bus_space_read_4(sc->sc_iot, sc->sc_config0_ioh, val);
	} else if (bus == 0) {
		/* XXX Why can we only access function 0? */
		if (fcn > 0)
			return;
		val |= offset;
		bus_space_write_4(sc->sc_memt, sc->sc_config0_memh, val, data);
		bus_space_read_4(sc->sc_memt, sc->sc_config0_memh, val);
	} else {
		val |= offset;
		bus_space_write_4(sc->sc_memt, sc->sc_config1_memh, val, data);
		bus_space_read_4(sc->sc_memt, sc->sc_config1_memh, val);
	}
}
开发者ID:bradla，项目名称:OpenBSD-Hammer2，代码行数:31，代码来源:ht.c


示例6: pci_conf_write

void
pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data)
{
	int bus;

	if (pci_mcfg_addr && reg >= PCI_CONFIG_SPACE_SIZE) {
		pci_decompose_tag(pc, tag, &bus, NULL, NULL);
		if (bus >= pci_mcfg_min_bus && bus <= pci_mcfg_max_bus) {
			pci_mcfg_map_bus(bus);
			bus_space_write_4(pci_mcfgt, pci_mcfgh[bus],
			    (tag.mode1 & 0x000ff00) << 4 | reg, data);
			return;
		}
	}

	PCI_CONF_LOCK();
	switch (pci_mode) {
	case 1:
		outl(PCI_MODE1_ADDRESS_REG, tag.mode1 | reg);
		outl(PCI_MODE1_DATA_REG, data);
		outl(PCI_MODE1_ADDRESS_REG, 0);
		break;
	case 2:
		outb(PCI_MODE2_ENABLE_REG, tag.mode2.enable);
		outb(PCI_MODE2_FORWARD_REG, tag.mode2.forward);
		outl(tag.mode2.port | reg, data);
		outb(PCI_MODE2_ENABLE_REG, 0);
		break;
	default:
		panic("pci_conf_write: mode not configured");
	}
	PCI_CONF_UNLOCK();
}
开发者ID:alenichev，项目名称:openbsd-kernel，代码行数:33，代码来源:pci_machdep.c


示例7: uninorth_conf_write_v3

static void
uninorth_conf_write_v3(void *cookie, pcitag_t tag, int reg, pcireg_t data)
{
	pci_chipset_tag_t pc = cookie;
	int32_t *daddr = pc->pc_data;
	int bus, dev, func, s;
	uint32_t x;

	if ((unsigned int)reg >= PCI_CONF_SIZE)
		return;

	/* UniNorth seems to have a 64bit data port */
	if (reg & 0x04)
		daddr++;

	pci_decompose_tag(pc, tag, &bus, &dev, &func);

	x = (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | 1;
	/* Set extended register bits */
	x |= (reg >> 8) << 28;

	s = splhigh();

	out32rb(pc->pc_addr, x);
	in32rb(pc->pc_addr);
	out32rb(daddr, data);
	out32rb(pc->pc_addr, 0);
	in32rb(pc->pc_addr);

	splx(s);
}
开发者ID:ryo，项目名称:netbsd-src，代码行数:31，代码来源:uninorth.c


示例8: pci_intr_establish

void *
pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
    int (*func)(void *), void *arg, const char *what)
{
	void *ret;
	int bus, dev;
	int l = ih.line & APIC_INT_LINE_MASK;

	pci_decompose_tag(pc, ih.tag, &bus, &dev, NULL);
#if NACPIPRT > 0
	acpiprt_route_interrupt(bus, dev, ih.pin);
#endif

#if NIOAPIC > 0
	if (l != -1 && ih.line & APIC_INT_VIA_APIC)
		return (apic_intr_establish(ih.line, IST_LEVEL, level, func, 
		    arg, what));
#endif
	if (l == 0 || l >= ICU_LEN || l == 2)
		panic("pci_intr_establish: bogus handle 0x%x", l);

	ret = isa_intr_establish(NULL, l, IST_LEVEL, level, func, arg, what);
#if NPCIBIOS > 0
	if (ret)
		pci_intr_route_link(pc, &ih);
#endif
	return (ret);
}
开发者ID:alenichev，项目名称:openbsd-kernel，代码行数:28，代码来源:pci_machdep.c


示例9: socpcic_intr_map

int
socpcic_intr_map(void *cpv, pcitag_t tag, int pin, int line,
    pci_intr_handle_t *ihp)
{
	struct socpcic_softc *sc = cpv;
	int bus, dev, func;
	int reg[4];
	int *map;
	int len;

	pci_decompose_tag(&sc->sc_pc, tag, &bus, &dev, &func);

	reg[0] = (dev << 11) | (func << 8);
	reg[1] = reg[2] = 0;
	reg[3] = pin;
	
	map = sc->sc_map;
	len = sc->sc_map_len;
	while (len >= 7 * sizeof(int)) {
		if ((reg[0] & sc->sc_map_mask[0]) == map[0] &&
		    (reg[1] & sc->sc_map_mask[1]) == map[1] &&
		    (reg[2] & sc->sc_map_mask[2]) == map[2] &&
		    (reg[3] & sc->sc_map_mask[3]) == map[3]) {
			*ihp = map[5];
			return (0);
		}
		len -= 7 * sizeof(int);
		map += 7;
	}

	return (1);
}
开发者ID:alenichev，项目名称:openbsd-kernel，代码行数:32，代码来源:socpcic.c


示例10: nforce4_mpbios_fixup

void
nforce4_mpbios_fixup(pci_chipset_tag_t pc, pcitag_t tag)
{
	pcireg_t reg;
	int bus, pin;

	pci_decompose_tag (pc, tag, &bus, NULL, NULL);

	reg = pci_conf_read(pc, tag, NFORCE4_PNPIRQ2);
	pin = (reg & NFORCE4_USB2_MASK) >> NFORCE4_USB2_SHIFT;
	if (pin != 0)
		mpbios_pin_fixup(bus, 2, PCI_INTERRUPT_PIN_B, pin);
	pin = (reg & NFORCE4_SATA1_MASK) >> NFORCE4_SATA1_SHIFT;
	if (pin != 0)
		mpbios_pin_fixup(bus, 7, PCI_INTERRUPT_PIN_A, pin);
	pin = (reg & NFORCE4_SATA2_MASK) >> NFORCE4_SATA2_SHIFT;
	if (pin != 0)
		mpbios_pin_fixup(bus, 8, PCI_INTERRUPT_PIN_A, pin);

	reg = pci_conf_read(pc, tag, NFORCE4_PNPIRQ3);
	pin = (reg & NFORCE4_USB1_MASK) >> NFORCE4_USB1_SHIFT;
	if (pin != 0)
		mpbios_pin_fixup(bus, 2, PCI_INTERRUPT_PIN_A, pin);
	pin = (reg & NFORCE4_LAN_MASK) >> NFORCE4_LAN_SHIFT;
	if (pin != 0)
		mpbios_pin_fixup(bus, 10, PCI_INTERRUPT_PIN_A, pin);
}
开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:27，代码来源:mpbios_intr_fixup.c


示例11: dec_eb164_pciide_compat_intr_establish

void *
dec_eb164_pciide_compat_intr_establish(void *v, device_t dev,
    const struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg)
{
	pci_chipset_tag_t pc = pa->pa_pc;
	void *cookie = NULL;
	int bus, irq;
	char buf[64];

	pci_decompose_tag(pc, pa->pa_tag, &bus, NULL, NULL);

	/*
	 * If this isn't PCI bus #0, all bets are off.
	 */
	if (bus != 0)
		return (NULL);

	irq = PCIIDE_COMPAT_IRQ(chan);
#if NSIO
	cookie = sio_intr_establish(NULL /*XXX*/, irq, IST_EDGE, IPL_BIO,
	    func, arg);
	if (cookie == NULL)
		return (NULL);
	aprint_normal_dev(dev, "%s channel interrupting at %s\n",
	    PCIIDE_CHANNEL_NAME(chan), sio_intr_string(NULL /*XXX*/, irq,
		buf, sizeof(buf)));
#endif
	return (cookie);
}
开发者ID:krytarowski，项目名称:netbsd-current-src-sys，代码行数:29，代码来源:pci_eb164.c


示例12: pci_conf_read

pcireg_t
pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
{
	pcireg_t data;
	int bus;

	KASSERT((reg & 0x3) == 0);

	if (pci_mcfg_addr && reg >= PCI_CONFIG_SPACE_SIZE) {
		pci_decompose_tag(pc, tag, &bus, NULL, NULL);
		if (bus >= pci_mcfg_min_bus && bus <= pci_mcfg_max_bus) {
			pci_mcfg_map_bus(bus);
			data = bus_space_read_4(pci_mcfgt, pci_mcfgh[bus],
			    (tag & 0x000ff00) << 4 | reg);
			return data;
		}
	}

	PCI_CONF_LOCK();
	outl(PCI_MODE1_ADDRESS_REG, tag | reg);
	data = inl(PCI_MODE1_DATA_REG);
	outl(PCI_MODE1_ADDRESS_REG, 0);
	PCI_CONF_UNLOCK();

	return data;
}
开发者ID:appleorange1，项目名称:bitrig，代码行数:26，代码来源:pci_machdep.c


示例13: octeon_pcibus_pci_intr_map

/*
 * PCI Interrupt handling
 */
int
octeon_pcibus_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
#if 0
	struct octeon_pcibus_softc *sc = pa->pa_pc->pc_intr_v;
#endif
	int bus, dev, fn, pin;

	*ihp = (pci_intr_handle_t)-1;

	if (pa->pa_intrpin == 0)	/* no interrupt needed */
		return 1;

#ifdef DIAGNOSTIC
	if (pa->pa_intrpin > 4) {
		printf("%s: bad interrupt pin %d\n", __func__, pa->pa_intrpin);
		return 1;
	}
#endif

	pci_decompose_tag(pa->pa_pc, pa->pa_tag, &bus, &dev, &fn);
	if (pa->pa_bridgetag) {
		pin = PPB_INTERRUPT_SWIZZLE(pa->pa_rawintrpin, dev);
		*ihp = pa->pa_bridgeih[pin - 1];
	} else {
		if (bus == 0)
			*ihp = octeon_pcibus_intr_map(dev, fn, pa->pa_intrpin);

		if (*ihp == (pci_intr_handle_t)-1)
			return 1;
	}

	return 0;
}
开发者ID:alenichev，项目名称:openbsd-kernel，代码行数:37，代码来源:octeon_pcibus.c


示例14: api_up1000_pciide_compat_intr_establish

void *
api_up1000_pciide_compat_intr_establish(void *icv, struct device *dev,
    struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg)
{
	pci_chipset_tag_t pc = pa->pa_pc;
	void *cookie = NULL;
	int bus, irq;

	pci_decompose_tag(pc, pa->pa_tag, &bus, NULL, NULL);

	/*
	 * If this isn't PCI bus #0, all bets are off.
	 */
	if (bus != 0)
		return (NULL);

	irq = PCIIDE_COMPAT_IRQ(chan);
#if NSIO
	cookie = sio_intr_establish(NULL /*XXX*/, irq, IST_EDGE, IPL_BIO,
	    func, arg, dev->dv_xname);
	if (cookie == NULL)
		return (NULL);
#endif
	return (cookie);
}
开发者ID:alenichev，项目名称:openbsd-kernel，代码行数:25，代码来源:pci_up1000.c


示例15: empb_pci_conf_write

void
empb_pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val)
{
	uint32_t bus, dev, func;
	struct empb_softc *sc;
	int s;

	sc = pc->cookie;
	
	pci_decompose_tag(pc, tag, &bus, &dev, &func);
	
	PCI_CONF_LOCK(s);	

	empb_switch_bridge(sc, BRIDGE_CONF);

	bus_space_write_4(pc->pci_conf_datat, pc->pci_conf_datah,
	    EMPB_CONF_DEV_STRIDE*dev + EMPB_CONF_FUNC_STRIDE*func + reg, val);
#ifdef EMPB_DEBUG_CONF
	aprint_normal("empb conf write va: %lx, bus: %d, dev: %d, "
	    "func: %d, reg: %d -w-> data %x\n",
	    pc->pci_conf_datah, bus, dev, func, reg, val);
#endif /* EMPB_DEBUG_CONF */
	empb_switch_bridge(sc, BRIDGE_IO);

	PCI_CONF_UNLOCK(s);	
}
开发者ID:krytarowski，项目名称:netbsd-current-src-sys，代码行数:26，代码来源:empb.c


示例16: print_tag

static void
print_tag(pci_chipset_tag_t pc, pcitag_t tag)
{
	int	bus, dev, func;

	pci_decompose_tag(pc, tag, &bus, &dev, &func);
	printf("PCI: bus %d, device %d, function %d: ", bus, dev, func);
}
开发者ID:MarginC，项目名称:kame，代码行数:8，代码来源:pciconf.c


示例17: iq80321_pci_intr_map

int
iq80321_pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
	struct i80321_softc *sc = pa->pa_pc->pc_intr_v;
	int b, d, f;
	uint32_t busno;

	/*
	 * The IQ80321's interrupts are routed like so:
	 *
	 *	XINT0	i82544 Gig-E
	 *
	 *	XINT1	UART
	 *
	 *	XINT2	INTA# from S-PCI-X slot
	 *
	 *	XINT3	INTB# from S-PCI-X slot
	 */

	busno = bus_space_read_4(sc->sc_st, sc->sc_atu_sh, ATU_PCIXSR);
	busno = PCIXSR_BUSNO(busno);
	if (busno == 0xff)
		busno = 0;

	pci_decompose_tag(pa->pa_pc, pa->pa_intrtag, &b, &d, &f);

	/* No mappings for devices not on our bus. */
	if (b != busno)
		goto no_mapping;

	switch (d) {
	case 4:			/* i82544 Gig-E */
		if (pa->pa_intrpin == 1) {
			*ihp = ICU_INT_XINT(0);
			return (0);
		}
		goto no_mapping;

	case 6:			/* S-PCI-X slot */
		if (pa->pa_intrpin == 1) {
			*ihp = ICU_INT_XINT(2);
			return (0);
		}
		if (pa->pa_intrpin == 2) {
			*ihp = ICU_INT_XINT(3);
			return (0);
		}
		goto no_mapping;

	default:
 no_mapping:
		printf("iq80321_pci_intr_map: no mapping for %d/%d/%d\n",
		    pa->pa_bus, pa->pa_device, pa->pa_function);
		return (1);
	}

	return (0);
}
开发者ID:krytarowski，项目名称:netbsd-current-src-sys，代码行数:58，代码来源:iq80321_pci.c


示例18: via8237_mpbios_fixup

void
via8237_mpbios_fixup(pci_chipset_tag_t pc, pcitag_t tag)
{
	int bus;

	pci_decompose_tag (pc, tag, &bus, NULL, NULL);

	/* SATA is hardwired to APIC pin 20. */
	mpbios_pin_fixup(bus, 15, 2, 20);
}
开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:10，代码来源:mpbios_intr_fixup.c


示例19: ttwoga_conf_read

pcireg_t
ttwoga_conf_read(void *cpv, pcitag_t tag, int offset)
{
	struct ttwoga_config *tcp = cpv;
	pcireg_t *datap, data;
	int b, d, f, ba;
	paddr_t addr;
	uint64_t old_hae3;

	if ((unsigned int)offset >= PCI_CONF_SIZE)
		return (pcireg_t) -1;

	pci_decompose_tag(&tcp->tc_pc, tag, &b, &d, &f);

	addr = b ? tag : ttwoga_make_type0addr(d, f);
	if (addr == (paddr_t)-1)
		return ((pcireg_t) -1);

	TTWOGA_CONF_LOCK();

	alpha_mb();
	old_hae3 = T2GA(tcp, T2_HAE0_3) & ~HAE0_3_PCA;
	T2GA(tcp, T2_HAE0_3) =
	    old_hae3 | ((b ? 1UL : 0UL) << HAE0_3_PCA_SHIFT);
	alpha_mb();
	alpha_mb();

	datap =
	    (pcireg_t *)ALPHA_PHYS_TO_K0SEG(tcp->tc_sysmap->tsmap_conf_base |
	    addr << 5UL |		/* address shift */
	    (offset & ~0x03) << 5UL |	/* address shift */
	    0x3 << 3UL);		/* 4-byte, size shift */
	data = (pcireg_t)-1;
	if (!(ba = badaddr(datap, sizeof *datap)))
		data = *datap;

	alpha_mb();
	T2GA(tcp, T2_HAE0_3) = old_hae3;
	alpha_mb();
	alpha_mb();

	alpha_pal_draina();
	alpha_mb();
	alpha_mb();

	TTWOGA_CONF_UNLOCK();

#if 0
	printf("ttwoga_conf_read: tag 0x%lx, reg 0x%x -> 0x%x @ %p%s\n",
	    tag, offset, data, datap, ba ? " (badaddr)" : "");
#endif

	return (data);
}
开发者ID:ryo，项目名称:netbsd-src，代码行数:54，代码来源:ttwoga_pci.c


示例20: pciaddr_print_devid

void
pciaddr_print_devid(pci_chipset_tag_t pc, pcitag_t tag)
{
	int bus, device, function;	
	pcireg_t id;
	
	id = pci_conf_read(pc, tag, PCI_ID_REG);
	pci_decompose_tag(pc, tag, &bus, &device, &function);
	printf("%03d:%02d:%d %04x:%04x\n", bus, device, function, 
	       PCI_VENDOR(id), PCI_PRODUCT(id));
}
开发者ID:avsm，项目名称:openbsd-xen-sys，代码行数:11，代码来源:pci_addr_fixup.c



注：本文中的pci_decompose_tag函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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