diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2013-09-10 10:16:02 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2013-10-14 17:48:51 +0300 |
| commit | cbcaf79e3ce1b14084f3e3f4f64365e9bfd70e6a (patch) | |
| tree | 7431962884b5587f266798d33da0cb7e4f5a6837 | |
| parent | 87f65245db4665edff22242c17546954d9d59c82 (diff) | |
| download | qemu-cbcaf79e3ce1b14084f3e3f4f64365e9bfd70e6a.tar.gz | |
q35: expose mmcfg size as a property
Address is already exposed, expose size for symmetry.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/pci-host/q35.c | 14 | ||||
| -rw-r--r-- | include/hw/pci/pcie_host.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index e46f286e24..a051b58ba7 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -109,6 +109,16 @@ static void q35_host_get_pci_hole64_end(Object *obj, Visitor *v, visit_type_uint64(v, &w64.end, name, errp); } +static void q35_host_get_mmcfg_size(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + PCIExpressHost *e = PCIE_HOST_BRIDGE(obj); + uint32_t value = e->size; + + visit_type_uint32(v, &value, name, errp); +} + static Property mch_props[] = { DEFINE_PROP_UINT64(PCIE_HOST_MCFG_BASE, Q35PCIHost, parent_obj.base_addr, MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT), @@ -160,6 +170,10 @@ static void q35_host_initfn(Object *obj) q35_host_get_pci_hole64_end, NULL, NULL, NULL, NULL); + object_property_add(obj, PCIE_HOST_MCFG_SIZE, "int", + q35_host_get_mmcfg_size, + NULL, NULL, NULL, NULL); + /* Leave enough space for the biggest MCFG BAR */ /* TODO: this matches current bios behaviour, but * it's not a power of two, which means an MTRR diff --git a/include/hw/pci/pcie_host.h b/include/hw/pci/pcie_host.h index 33d75bdcf6..acca45ed58 100644 --- a/include/hw/pci/pcie_host.h +++ b/include/hw/pci/pcie_host.h @@ -29,6 +29,7 @@ OBJECT_CHECK(PCIExpressHost, (obj), TYPE_PCIE_HOST_BRIDGE) #define PCIE_HOST_MCFG_BASE "MCFG" +#define PCIE_HOST_MCFG_SIZE "mcfg_size" /* pcie_host::base_addr == PCIE_BASE_ADDR_UNMAPPED when it isn't mapped. */ #define PCIE_BASE_ADDR_UNMAPPED ((hwaddr)-1ULL) |