#include "xen_common.h"
#include "net.h"
#include "xen_backend.h"
-#include "rwhandler.h"
#include "trace.h"
+#include "exec-memory.h"
#include <xenguest.h>
typedef struct PCIXenPlatformState {
PCIDevice pci_dev;
+ MemoryRegion fixed_io;
+ MemoryRegion bar;
+ MemoryRegion mmio_bar;
uint8_t flags; /* used only for version_id == 2 */
int drivers_blacklisted;
uint16_t driver_product_version;
}
/* Xen Platform, Fixed IOPort */
+#define UNPLUG_ALL_IDE_DISKS 1
+#define UNPLUG_ALL_NICS 2
+#define UNPLUG_AUX_IDE_DISKS 4
+
+static void unplug_nic(PCIBus *b, PCIDevice *d)
+{
+ if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
+ PCI_CLASS_NETWORK_ETHERNET) {
+ qdev_unplug(&(d->qdev), NULL);
+ }
+}
+
+static void pci_unplug_nics(PCIBus *bus)
+{
+ pci_for_each_device(bus, 0, unplug_nic);
+}
+
+static void unplug_disks(PCIBus *b, PCIDevice *d)
+{
+ if (pci_get_word(d->config + PCI_CLASS_DEVICE) ==
+ PCI_CLASS_STORAGE_IDE) {
+ qdev_unplug(&(d->qdev), NULL);
+ }
+}
+
+static void pci_unplug_disks(PCIBus *bus)
+{
+ pci_for_each_device(bus, 0, unplug_disks);
+}
static void platform_fixed_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
{
PCIXenPlatformState *s = opaque;
- switch (addr - XEN_PLATFORM_IOPORT) {
+ switch (addr) {
case 0:
- /* TODO: */
/* Unplug devices. Value is a bitmask of which devices to
unplug, with bit 0 the IDE devices, bit 1 the network
devices, and bit 2 the non-primary-master IDE devices. */
+ if (val & UNPLUG_ALL_IDE_DISKS) {
+ DPRINTF("unplug disks\n");
+ bdrv_drain_all();
+ bdrv_flush_all();
+ pci_unplug_disks(s->pci_dev.bus);
+ }
+ if (val & UNPLUG_ALL_NICS) {
+ DPRINTF("unplug nics\n");
+ pci_unplug_nics(s->pci_dev.bus);
+ }
+ if (val & UNPLUG_AUX_IDE_DISKS) {
+ DPRINTF("unplug auxiliary disks not supported\n");
+ }
break;
case 2:
switch (val) {
static void platform_fixed_ioport_writel(void *opaque, uint32_t addr,
uint32_t val)
{
- switch (addr - XEN_PLATFORM_IOPORT) {
+ switch (addr) {
case 0:
/* PV driver version */
break;
{
PCIXenPlatformState *s = opaque;
- switch (addr - XEN_PLATFORM_IOPORT) {
+ switch (addr) {
case 0: /* Platform flags */ {
hvmmem_type_t mem_type = (val & PFFLAG_ROM_LOCK) ?
HVMMEM_ram_ro : HVMMEM_ram_rw;
{
PCIXenPlatformState *s = opaque;
- switch (addr - XEN_PLATFORM_IOPORT) {
+ switch (addr) {
case 0:
if (s->drivers_blacklisted) {
/* The drivers will recognise this magic number and refuse
{
PCIXenPlatformState *s = opaque;
- switch (addr - XEN_PLATFORM_IOPORT) {
+ switch (addr) {
case 0:
/* Platform flags */
return s->flags;
{
PCIXenPlatformState *s = opaque;
- platform_fixed_ioport_writeb(s, XEN_PLATFORM_IOPORT, 0);
+ platform_fixed_ioport_writeb(s, 0, 0);
}
+const MemoryRegionPortio xen_platform_ioport[] = {
+ { 0, 16, 4, .write = platform_fixed_ioport_writel, },
+ { 0, 16, 2, .write = platform_fixed_ioport_writew, },
+ { 0, 16, 1, .write = platform_fixed_ioport_writeb, },
+ { 0, 16, 2, .read = platform_fixed_ioport_readw, },
+ { 0, 16, 1, .read = platform_fixed_ioport_readb, },
+ PORTIO_END_OF_LIST()
+};
+
+static const MemoryRegionOps platform_fixed_io_ops = {
+ .old_portio = xen_platform_ioport,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
static void platform_fixed_ioport_init(PCIXenPlatformState* s)
{
- register_ioport_write(XEN_PLATFORM_IOPORT, 16, 4, platform_fixed_ioport_writel, s);
- register_ioport_write(XEN_PLATFORM_IOPORT, 16, 2, platform_fixed_ioport_writew, s);
- register_ioport_write(XEN_PLATFORM_IOPORT, 16, 1, platform_fixed_ioport_writeb, s);
- register_ioport_read(XEN_PLATFORM_IOPORT, 16, 2, platform_fixed_ioport_readw, s);
- register_ioport_read(XEN_PLATFORM_IOPORT, 16, 1, platform_fixed_ioport_readb, s);
+ memory_region_init_io(&s->fixed_io, &platform_fixed_io_ops, s,
+ "xen-fixed", 16);
+ memory_region_add_subregion(get_system_io(), XEN_PLATFORM_IOPORT,
+ &s->fixed_io);
}
/* Xen Platform PCI Device */
static uint32_t xen_platform_ioport_readb(void *opaque, uint32_t addr)
{
- addr &= 0xff;
-
if (addr == 0) {
- return platform_fixed_ioport_readb(opaque, XEN_PLATFORM_IOPORT);
+ return platform_fixed_ioport_readb(opaque, 0);
} else {
return ~0u;
}
{
PCIXenPlatformState *s = opaque;
- addr &= 0xff;
- val &= 0xff;
-
switch (addr) {
case 0: /* Platform flags */
- platform_fixed_ioport_writeb(opaque, XEN_PLATFORM_IOPORT, val);
+ platform_fixed_ioport_writeb(opaque, 0, val);
break;
case 8:
log_writeb(s, val);
}
}
-static void platform_ioport_map(PCIDevice *pci_dev, int region_num, pcibus_t addr, pcibus_t size, int type)
-{
- PCIXenPlatformState *d = DO_UPCAST(PCIXenPlatformState, pci_dev, pci_dev);
+static MemoryRegionPortio xen_pci_portio[] = {
+ { 0, 0x100, 1, .read = xen_platform_ioport_readb, },
+ { 0, 0x100, 1, .write = xen_platform_ioport_writeb, },
+ PORTIO_END_OF_LIST()
+};
- register_ioport_write(addr, size, 1, xen_platform_ioport_writeb, d);
- register_ioport_read(addr, size, 1, xen_platform_ioport_readb, d);
+static const MemoryRegionOps xen_pci_io_ops = {
+ .old_portio = xen_pci_portio,
+};
+
+static void platform_ioport_bar_setup(PCIXenPlatformState *d)
+{
+ memory_region_init_io(&d->bar, &xen_pci_io_ops, d, "xen-pci", 0x100);
}
-static uint32_t platform_mmio_read(ReadWriteHandler *handler, pcibus_t addr, int len)
+static uint64_t platform_mmio_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
DPRINTF("Warning: attempted read from physical address "
"0x" TARGET_FMT_plx " in xen platform mmio space\n", addr);
return 0;
}
-static void platform_mmio_write(ReadWriteHandler *handler, pcibus_t addr,
- uint32_t val, int len)
+static void platform_mmio_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
{
- DPRINTF("Warning: attempted write of 0x%x to physical "
+ DPRINTF("Warning: attempted write of 0x%"PRIx64" to physical "
"address 0x" TARGET_FMT_plx " in xen platform mmio space\n",
val, addr);
}
-static ReadWriteHandler platform_mmio_handler = {
+static const MemoryRegionOps platform_mmio_handler = {
.read = &platform_mmio_read,
.write = &platform_mmio_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
-static void platform_mmio_map(PCIDevice *d, int region_num,
- pcibus_t addr, pcibus_t size, int type)
+static void platform_mmio_setup(PCIXenPlatformState *d)
{
- int mmio_io_addr;
-
- mmio_io_addr = cpu_register_io_memory_simple(&platform_mmio_handler,
- DEVICE_NATIVE_ENDIAN);
-
- cpu_register_physical_memory(addr, size, mmio_io_addr);
+ memory_region_init_io(&d->mmio_bar, &platform_mmio_handler, d,
+ "xen-mmio", 0x1000000);
}
static int xen_platform_post_load(void *opaque, int version_id)
{
PCIXenPlatformState *s = opaque;
- platform_fixed_ioport_writeb(s, XEN_PLATFORM_IOPORT, s->flags);
+ platform_fixed_ioport_writeb(s, 0, s->flags);
return 0;
}
pci_conf = d->pci_dev.config;
- pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_XEN);
- pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_XEN_PLATFORM);
- pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_XEN);
- pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, PCI_DEVICE_ID_XEN_PLATFORM);
-
pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
- pci_config_set_revision(pci_conf, 1);
pci_config_set_prog_interface(pci_conf, 0);
- pci_config_set_class(pci_conf, PCI_CLASS_OTHERS << 8 | 0x80);
-
pci_conf[PCI_INTERRUPT_PIN] = 1;
- pci_register_bar(&d->pci_dev, 0, 0x100,
- PCI_BASE_ADDRESS_SPACE_IO, platform_ioport_map);
+ platform_ioport_bar_setup(d);
+ pci_register_bar(&d->pci_dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->bar);
/* reserve 16MB mmio address for share memory*/
- pci_register_bar(&d->pci_dev, 1, 0x1000000,
- PCI_BASE_ADDRESS_MEM_PREFETCH, platform_mmio_map);
+ platform_mmio_setup(d);
+ pci_register_bar(&d->pci_dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
+ &d->mmio_bar);
platform_fixed_ioport_init(d);
platform_fixed_ioport_reset(s);
}
-static PCIDeviceInfo xen_platform_info = {
- .init = xen_platform_initfn,
- .qdev.name = "xen-platform",
- .qdev.desc = "XEN platform pci device",
- .qdev.size = sizeof(PCIXenPlatformState),
- .qdev.vmsd = &vmstate_xen_platform,
- .qdev.reset = platform_reset,
+static void xen_platform_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->init = xen_platform_initfn;
+ k->vendor_id = PCI_VENDOR_ID_XEN;
+ k->device_id = PCI_DEVICE_ID_XEN_PLATFORM;
+ k->class_id = PCI_CLASS_OTHERS << 8 | 0x80;
+ k->subsystem_vendor_id = PCI_VENDOR_ID_XEN;
+ k->subsystem_id = PCI_DEVICE_ID_XEN_PLATFORM;
+ k->revision = 1;
+ dc->desc = "XEN platform pci device";
+ dc->reset = platform_reset;
+ dc->vmsd = &vmstate_xen_platform;
+}
+
+static TypeInfo xen_platform_info = {
+ .name = "xen-platform",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(PCIXenPlatformState),
+ .class_init = xen_platform_class_init,
};
-static void xen_platform_register(void)
+static void xen_platform_register_types(void)
{
- pci_qdev_register(&xen_platform_info);
+ type_register_static(&xen_platform_info);
}
-device_init(xen_platform_register);
+type_init(xen_platform_register_types)
projects / qemu.git / blobdiff