diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2015-02-18 19:14:49 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-02-26 13:04:18 +0100 |
| commit | 78c2d8722b9118509e3d4ed8bae67c3e4eaa443e (patch) | |
| tree | 9946d1569de5eb7e372bc8f585b99257d7a8e328 | |
| parent | 6ece7053d6a4a502d2ea5d24ecf512caaa1437c7 (diff) | |
| download | qemu-78c2d8722b9118509e3d4ed8bae67c3e4eaa443e.zip | |
pc: pcihp: expose MMIO base and len as properties
it will be used later to dynamically reserve MMIO region
instead of manually punching holes in PCI0._CRS
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/acpi/pcihp.c | 18 | ||||
| -rw-r--r-- | hw/acpi/piix4.c | 2 | ||||
| -rw-r--r-- | include/hw/acpi/pcihp.h | 7 |
3 files changed, 19 insertions, 8 deletions
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c index 34dedf1e8b..612fec03ee 100644 --- a/hw/acpi/pcihp.c +++ b/hw/acpi/pcihp.c @@ -297,10 +297,11 @@ static const MemoryRegionOps acpi_pcihp_io_ops = { }, }; -void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus, +void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus, MemoryRegion *address_space_io, bool bridges_enabled) { - uint16_t io_size = ACPI_PCIHP_SIZE; + s->io_len = ACPI_PCIHP_SIZE; + s->io_base = ACPI_PCIHP_ADDR; s->root= root_bus; s->legacy_piix = !bridges_enabled; @@ -308,16 +309,21 @@ void acpi_pcihp_init(AcpiPciHpState *s, PCIBus *root_bus, if (s->legacy_piix) { unsigned *bus_bsel = g_malloc(sizeof *bus_bsel); - io_size = ACPI_PCIHP_LEGACY_SIZE; + s->io_len = ACPI_PCIHP_LEGACY_SIZE; *bus_bsel = ACPI_PCIHP_BSEL_DEFAULT; object_property_add_uint32_ptr(OBJECT(root_bus), ACPI_PCIHP_PROP_BSEL, bus_bsel, NULL); } - memory_region_init_io(&s->io, NULL, &acpi_pcihp_io_ops, s, - "acpi-pci-hotplug", io_size); - memory_region_add_subregion(address_space_io, ACPI_PCIHP_ADDR, &s->io); + memory_region_init_io(&s->io, owner, &acpi_pcihp_io_ops, s, + "acpi-pci-hotplug", s->io_len); + memory_region_add_subregion(address_space_io, s->io_base, &s->io); + + object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base, + &error_abort); + object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len, + &error_abort); } const VMStateDescription vmstate_acpi_pcihp_pci_status = { diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 766f1b8552..d1f11793a0 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -562,7 +562,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, "acpi-gpe0", GPE_LEN); memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe); - acpi_pcihp_init(&s->acpi_pci_hotplug, bus, parent, + acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent, s->use_acpi_pci_hotplug); acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu, diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h index 9323838319..f3526d4aaf 100644 --- a/include/hw/acpi/pcihp.h +++ b/include/hw/acpi/pcihp.h @@ -32,6 +32,9 @@ #include "hw/acpi/acpi.h" #include "migration/vmstate.h" +#define ACPI_PCIHP_IO_BASE_PROP "acpi-pcihp-io-base" +#define ACPI_PCIHP_IO_LEN_PROP "acpi-pcihp-io-len" + typedef struct AcpiPciHpPciStatus { uint32_t up; uint32_t down; @@ -48,9 +51,11 @@ typedef struct AcpiPciHpState { PCIBus *root; MemoryRegion io; bool legacy_piix; + uint16_t io_base; + uint16_t io_len; } AcpiPciHpState; -void acpi_pcihp_init(AcpiPciHpState *, PCIBus *root, +void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root, MemoryRegion *address_space_io, bool bridges_enabled); void acpi_pcihp_device_plug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, |