本文整理汇总了C++中bus_activate_resource函数的典型用法代码示例。如果您正苦于以下问题:C++ bus_activate_resource函数的具体用法?C++ bus_activate_resource怎么用?C++ bus_activate_resource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bus_activate_resource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: wiibus_activate_resource
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));
}
开发者ID:coyizumi,项目名称:cs111,代码行数:26,代码来源:wii_bus.c
示例2: unin_chip_activate_resource
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));
}
开发者ID:coyizumi,项目名称:cs111,代码行数:28,代码来源:uninorth.c
示例3: ofw_pci_activate_resource
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));
}
开发者ID:ngkaho1234,项目名称:freebsd,代码行数:60,代码来源:ofw_pci.c
示例4: nexus_alloc_resource
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0.
* (Exceptions include footbridge.)
*/
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
switch (type) {
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
rm = &mem_rman;
break;
default:
return (0);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return (0);
rman_set_rid(rv, *rid);
rman_set_bushandle(rv, rman_get_start(rv));
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (0);
}
}
return (rv);
}
开发者ID:amir-partovi,项目名称:Taha,代码行数:39,代码来源:nexus.c
示例5: zbpci_alloc_resource
static struct resource *
zbpci_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct resource *res;
/*
* Handle PCI I/O port resources here and pass everything else to nexus.
*/
if (type != SYS_RES_IOPORT) {
res = bus_generic_alloc_resource(bus, child, type, rid,
start, end, count, flags);
return (res);
}
res = rman_reserve_resource(&port_rman, start, end, count,
flags, child);
if (res == NULL)
return (NULL);
rman_set_rid(res, *rid);
/* Activate the resource is requested */
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, res) != 0) {
rman_release_resource(res);
return (NULL);
}
}
return (res);
}
开发者ID:2asoft,项目名称:freebsd,代码行数:32,代码来源:sb_zbpci.c
示例6: ofwbus_alloc_resource
static struct resource *
ofwbus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct ofwbus_softc *sc;
struct rman *rm;
struct resource *rv;
struct resource_list_entry *rle;
int isdefault, passthrough;
isdefault = (start == 0UL && end == ~0UL);
passthrough = (device_get_parent(child) != bus);
sc = device_get_softc(bus);
rle = NULL;
if (!passthrough && isdefault) {
rle = resource_list_find(BUS_GET_RESOURCE_LIST(bus, child),
type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res != NULL)
panic("%s: resource entry is busy", __func__);
start = rle->start;
count = ulmax(count, rle->count);
end = ulmax(rle->end, start + count - 1);
}
switch (type) {
case SYS_RES_IRQ:
rm = &sc->sc_intr_rman;
break;
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE,
child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if ((flags & RF_ACTIVE) != 0 && bus_activate_resource(child, type,
*rid, rv) != 0) {
rman_release_resource(rv);
return (NULL);
}
if (!passthrough && rle != NULL) {
rle->res = rv;
rle->start = rman_get_start(rv);
rle->end = rman_get_end(rv);
rle->count = rle->end - rle->start + 1;
}
return (rv);
}
开发者ID:ChristosKa,项目名称:freebsd,代码行数:59,代码来源:ofwbus.c
示例7: thunder_pem_alloc_resource
static struct resource *
thunder_pem_alloc_resource(device_t dev, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct thunder_pem_softc *sc = device_get_softc(dev);
struct rman *rm = NULL;
struct resource *res;
device_t parent_dev;
rm = thunder_pem_rman(sc, type);
if (rm == NULL) {
/* Find parent device. On ThunderX we know an exact path. */
parent_dev = device_get_parent(device_get_parent(dev));
return (BUS_ALLOC_RESOURCE(parent_dev, dev, type, rid, start,
end, count, flags));
}
if (!RMAN_IS_DEFAULT_RANGE(start, end)) {
/*
* We might get PHYS addresses here inherited from EFI.
* Convert to PCI if necessary.
*/
if (range_addr_is_phys(sc->ranges, start, count)) {
start = range_addr_phys_to_pci(sc->ranges, start);
end = start + count - 1;
}
}
if (bootverbose) {
device_printf(dev,
"thunder_pem_alloc_resource: start=%#lx, end=%#lx, count=%#lx\n",
start, end, count);
}
res = rman_reserve_resource(rm, start, end, count, flags, child);
if (res == NULL)
goto fail;
rman_set_rid(res, *rid);
if (flags & RF_ACTIVE)
if (bus_activate_resource(child, type, *rid, res)) {
rman_release_resource(res);
goto fail;
}
return (res);
fail:
if (bootverbose) {
device_printf(dev, "%s FAIL: type=%d, rid=%d, "
"start=%016lx, end=%016lx, count=%016lx, flags=%x\n",
__func__, type, *rid, start, end, count, flags);
}
return (NULL);
}
开发者ID:Digital-Chaos,项目名称:freebsd,代码行数:59,代码来源:thunder_pcie_pem.c
示例8: sbus_activate_resource
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));
}
开发者ID:MarginC,项目名称:kame,代码行数:9,代码来源:sbus.c
示例9: nexus_alloc_resource
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0.
* (Exceptions include footbridge.)
*/
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct nexus_device *ndev = DEVTONX(child);
struct resource *rv;
struct resource_list_entry *rle;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
/*
* If this is an allocation of the "default" range for a given
* RID, and we know what the resources for this device are
* (ie. they aren't maintained by a child bus), then work out
* the start/end values.
*/
if (RMAN_IS_DEFAULT_RANGE(start, end) && (count == 1)) {
if (device_get_parent(child) != bus || ndev == NULL)
return(NULL);
rle = resource_list_find(&ndev->nx_resources, type, *rid);
if (rle == NULL)
return(NULL);
start = rle->start;
end = rle->end;
count = rle->count;
}
switch (type) {
case SYS_RES_IRQ:
rm = &irq_rman;
break;
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
rm = &mem_rman;
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
rman_set_bushandle(rv, rman_get_start(rv));
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
开发者ID:nomadlogic,项目名称:freebsd-base-graphics,代码行数:62,代码来源:nexus.c
示例10: wiibus_alloc_resource
static struct resource *
wiibus_alloc_resource(device_t bus, device_t child, int type,
int *rid, unsigned long start, unsigned long end,
unsigned long count, unsigned int flags)
{
struct wiibus_softc *sc;
struct wiibus_devinfo *dinfo;
struct resource_list_entry *rle;
struct resource *rv;
int needactivate;
sc = device_get_softc(bus);
dinfo = device_get_ivars(child);
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_MEMORY:
rle = resource_list_find(&dinfo->di_resources, SYS_RES_MEMORY,
*rid);
if (rle == NULL) {
device_printf(bus, "no res entry for %s memory 0x%x\n",
device_get_nameunit(child), *rid);
return (NULL);
}
rv = rman_reserve_resource(&sc->sc_rman, rle->start, rle->end,
rle->count, flags, child);
if (rv == NULL) {
device_printf(bus,
"failed to reserve resource for %s\n",
device_get_nameunit(child));
return (NULL);
}
rman_set_rid(rv, *rid);
break;
case SYS_RES_IRQ:
return (resource_list_alloc(&dinfo->di_resources, bus, child,
type, rid, start, end, count, flags));
default:
device_printf(bus, "unknown resource request from %s\n",
device_get_nameunit(child));
return (NULL);
}
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv) != 0) {
device_printf(bus,
"failed to activate resource for %s\n",
device_get_nameunit(child));
return (NULL);
}
}
return (rv);
}
开发者ID:coyizumi,项目名称:cs111,代码行数:55,代码来源:wii_bus.c
示例11: uninorth_alloc_resource
static struct resource *
uninorth_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct uninorth_softc *sc;
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt;
int needactivate;
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
bt = PPC_BUS_SPACE_MEM;
if (flags & PPC_BUS_SPARSE4)
bt |= 4;
break;
case SYS_RES_IRQ:
return (bus_alloc_resource(bus, type, rid, start, end, count,
flags));
break;
default:
device_printf(bus, "unknown resource request from %s\n",
device_get_nameunit(child));
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL) {
device_printf(bus, "failed to reserve resource for %s\n",
device_get_nameunit(child));
return (NULL);
}
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, rman_get_start(rv));
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv) != 0) {
device_printf(bus,
"failed to activate resource for %s\n",
device_get_nameunit(child));
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
开发者ID:MarginC,项目名称:kame,代码行数:54,代码来源:uninorth.c
示例12: ofw_pci_alloc_resource
static struct resource *
ofw_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct ofw_pci_softc *sc;
struct resource *rv;
struct rman *rm;
int needactivate;
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
break;
case SYS_RES_IOPORT:
rm = &sc->sc_io_rman;
break;
case SYS_RES_IRQ:
return (bus_alloc_resource(bus, type, rid, start, end, count,
flags));
default:
device_printf(bus, "unknown resource request from %s\n",
device_get_nameunit(child));
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL) {
device_printf(bus, "failed to reserve resource for %s\n",
device_get_nameunit(child));
return (NULL);
}
rman_set_rid(rv, *rid);
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv) != 0) {
device_printf(bus,
"failed to activate resource for %s\n",
device_get_nameunit(child));
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
开发者ID:ngkaho1234,项目名称:freebsd,代码行数:54,代码来源:ofw_pci.c
示例13: i80321_pci_alloc_resource
static struct resource *
i80321_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct i80321_pci_softc *sc = device_get_softc(bus);
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt = NULL;
bus_space_handle_t bh = 0;
switch (type) {
case SYS_RES_IRQ:
rm = &sc->sc_irq_rman;
break;
case SYS_RES_MEMORY:
rm = &sc->sc_mem_rman;
bt = sc->sc_pcimem;
bh = (start >= 0x80000000 && start < 0x84000000) ? 0x80000000 :
sc->sc_mem;
start &= (0x1000000 - 1);
end &= (0x1000000 - 1);
break;
case SYS_RES_IOPORT:
rm = &sc->sc_io_rman;
bt = sc->sc_pciio;
bh = sc->sc_io;
if (start < sc->sc_io) {
start = start - 0x90000000 + sc->sc_io;
end = end - 0x90000000 + sc->sc_io;
}
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if (type != SYS_RES_IRQ) {
if (type == SYS_RES_MEMORY)
bh += (rman_get_start(rv));
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, bh);
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
}
return (rv);
}
开发者ID:coolgoose85,项目名称:FreeBSD,代码行数:53,代码来源:i80321_pci.c
示例14: nexus_alloc_resource
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0.
* (Exceptions include npx.)
*/
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
switch (type) {
case SYS_RES_IRQ:
rm = &irq_rman;
break;
case SYS_RES_DRQ:
rm = &drq_rman;
break;
case SYS_RES_IOPORT:
rm = &port_rman;
break;
case SYS_RES_MEMORY:
rm = &mem_rman;
break;
default:
return 0;
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return 0;
if (type == SYS_RES_MEMORY) {
rman_set_bustag(rv, I386_BUS_SPACE_MEM);
} else if (type == SYS_RES_IOPORT) {
rman_set_bustag(rv, I386_BUS_SPACE_IO);
rman_set_bushandle(rv, rv->r_start);
}
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return 0;
}
}
return rv;
}
开发者ID:UnitedMarsupials,项目名称:kame,代码行数:56,代码来源:nexus.c
示例15: pci_host_generic_core_alloc_resource
struct resource *
pci_host_generic_core_alloc_resource(device_t dev, device_t child, int type,
int *rid, rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct generic_pcie_core_softc *sc;
struct resource *res;
struct rman *rm;
sc = device_get_softc(dev);
#if defined(NEW_PCIB) && defined(PCI_RES_BUS)
if (type == PCI_RES_BUS) {
return (pci_domain_alloc_bus(sc->ecam, child, rid, start, end,
count, flags));
}
#endif
rm = generic_pcie_rman(sc, type);
if (rm == NULL)
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
if (bootverbose) {
device_printf(dev,
"rman_reserve_resource: start=%#jx, end=%#jx, count=%#jx\n",
start, end, count);
}
res = rman_reserve_resource(rm, start, end, count, flags, child);
if (res == NULL)
goto fail;
rman_set_rid(res, *rid);
if (flags & RF_ACTIVE)
if (bus_activate_resource(child, type, *rid, res)) {
rman_release_resource(res);
goto fail;
}
return (res);
fail:
device_printf(dev, "%s FAIL: type=%d, rid=%d, "
"start=%016jx, end=%016jx, count=%016jx, flags=%x\n",
__func__, type, *rid, start, end, count, flags);
return (NULL);
}
开发者ID:FreeBSDFoundation,项目名称:freebsd,代码行数:49,代码来源:pci_host_generic.c
示例16: pxa_smi_activate_resource
static int
pxa_smi_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
struct pxa_smi_softc *sc;
sc = (struct pxa_smi_softc *)device_get_softc(dev);
if (type == SYS_RES_IRQ)
return (bus_activate_resource(dev, SYS_RES_IRQ, rid, r));
rman_set_bushandle(r, (bus_space_handle_t)pmap_mapdev(rman_get_start(r),
rman_get_size(r)));
return (rman_activate_resource(r));
}
开发者ID:AhmadTux,项目名称:freebsd,代码行数:15,代码来源:pxa_smi.c
示例17: nexus_alloc_resource
/*
* Allocate a resource on behalf of child. NB: child is usually going to be a
* child of one of our descendants, not a direct child of nexus0.
* (Exceptions include npx.)
*/
static struct resource *
nexus_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count,
u_int flags)
{
struct nexus_device *ndev = DEVTONX(child);
struct resource *rv;
struct resource_list_entry *rle;
struct rman *rm;
int needactivate = flags & RF_ACTIVE;
/*
* If this is an allocation of the "default" range for a given
* RID, and we know what the resources for this device are
* (ie. they aren't maintained by a child bus), then work out
* the start/end values.
*/
if ((start == 0UL) && (end == ~0UL) && (count == 1)) {
if (device_get_parent(child) != bus || ndev == NULL)
return(NULL);
rle = resource_list_find(&ndev->nx_resources, type, *rid);
if (rle == NULL)
return(NULL);
start = rle->start;
end = rle->end;
count = rle->count;
}
flags &= ~RF_ACTIVE;
rm = nexus_rman(type);
if (rm == NULL)
return (NULL);
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == 0)
return 0;
rman_set_rid(rv, *rid);
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return 0;
}
}
return rv;
}
开发者ID:outbackdingo,项目名称:uBSD,代码行数:52,代码来源:nexus.c
示例18: pxa_alloc_gpio_irq
static struct resource *
pxa_alloc_gpio_irq(device_t dev, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct obio_softc *sc;
struct obio_device *od;
struct resource_list *rl;
struct resource_list_entry *rle;
struct resource *rv;
struct rman *rm;
int needactivate;
sc = device_get_softc(dev);
od = device_get_ivars(child);
rl = &od->od_resources;
rm = &sc->obio_irq;
needactivate = flags & RF_ACTIVE;
flags &= ~RF_ACTIVE;
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
resource_list_add(rl, type, *rid, start, end, count);
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
panic("pxa_alloc_gpio_irq: unexpectedly can't find resource");
rle->res = rv;
rle->start = rman_get_start(rv);
rle->end = rman_get_end(rv);
rle->count = count;
if (needactivate) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
if (bootverbose)
device_printf(dev, "lazy allocation of irq %ld for %s\n",
start, device_get_nameunit(child));
return (rv);
}
开发者ID:AhmadTux,项目名称:freebsd,代码行数:46,代码来源:pxa_obio.c
示例19: ofw_pci_alloc_resource
struct resource *
ofw_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct ofw_pci_softc *sc;
struct resource *rv;
struct rman *rm;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IRQ:
/*
* XXX: Don't accept blank ranges for now, only single
* interrupts. The other case should not happen with
* the MI PCI code ...
* XXX: This may return a resource that is out of the
* range that was specified. Is this correct ...?
*/
if (start != end)
panic("%s: XXX: interrupt range", __func__);
return (bus_generic_alloc_resource(bus, child, type, rid,
start, end, count, flags));
case SYS_RES_MEMORY:
rm = &sc->sc_pci_mem_rman;
break;
case SYS_RES_IOPORT:
rm = &sc->sc_pci_io_rman;
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags & ~RF_ACTIVE,
child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if ((flags & RF_ACTIVE) != 0 && bus_activate_resource(child, type,
*rid, rv) != 0) {
rman_release_resource(rv);
return (NULL);
}
return (rv);
}
开发者ID:embedclub,项目名称:freebsd,代码行数:45,代码来源:ofw_pci.c
示例20: obio_alloc_resource
static struct resource *
obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct resource *rv;
struct rman *rm;
bus_space_tag_t bt = 0;
bus_space_handle_t bh = 0;
struct obio_softc *sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IRQ:
rm = &sc->oba_irq_rman;
break;
case SYS_RES_MEMORY:
return (NULL);
case SYS_RES_IOPORT:
rm = &sc->oba_rman;
bt = sc->oba_st;
bh = sc->oba_addr;
start = bh;
break;
default:
return (NULL);
}
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
if (type == SYS_RES_IRQ)
return (rv);
rman_set_rid(rv, *rid);
rman_set_bustag(rv, bt);
rman_set_bushandle(rv, bh);
if (0) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
开发者ID:DangerDexter,项目名称:FreeBSD-8.0-dyntick,代码行数:45,代码来源:obio.c
注:本文中的bus_activate_resource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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