Since Windows is using CRS table for PCI resource allocation, this patch allows Windows guests to work with PCI devices when PCI BAR allocation is above 4GB. This also might be helpful on Linux when use_crs kernel boot option is set.
Michael I've added you to signed-off if you don't mind.
Signed-off-by: Alexey Korolev alexey.korolev@endace.com Signed-off-by: Michael S. Tsirkin mst@redhat.com --- src/acpi-dsdt.dsl | 7 +++++ src/acpi-dsdt.hex | 66 +++++++++++++++++++++++++++++++++++++++++++++-------- src/config.h | 2 + 3 files changed, 65 insertions(+), 10 deletions(-)
diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl index 7082b65..c17e947 100644 --- a/src/acpi-dsdt.dsl +++ b/src/acpi-dsdt.dsl @@ -175,6 +175,13 @@ DefinitionBlock ( 0x00000000, // Address Translation Offset 0x1EC00000, // Address Length ,, , AddressRangeMemory, TypeStatic) + QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite, + 0x00000000, // Address Space Granularity + 0x8000000000, // Address Range Minimum + 0xFFFFFFFFFF, // Address Range Maximum + 0x00000000, // Address Translation Offset + 0x8000000000, // Address Length + ,, , AddressRangeMemory, TypeStatic) }) } } diff --git a/src/acpi-dsdt.hex b/src/acpi-dsdt.hex index 5dc7bb4..fe4c17e 100644 --- a/src/acpi-dsdt.hex +++ b/src/acpi-dsdt.hex @@ -3,12 +3,12 @@ static unsigned char AmlCode[] = { 0x53, 0x44, 0x54, -0xd3, -0x10, +0x1, +0x11, 0x0, 0x0, 0x1, -0x2d, +0xe, 0x42, 0x58, 0x50, @@ -110,16 +110,16 @@ static unsigned char AmlCode[] = { 0x47, 0x42, 0x10, -0x44, -0x81, +0x42, +0x84, 0x5f, 0x53, 0x42, 0x5f, 0x5b, 0x82, -0x4c, -0x80, +0x4a, +0x83, 0x50, 0x43, 0x49, @@ -2064,10 +2064,10 @@ static unsigned char AmlCode[] = { 0x52, 0x53, 0x11, -0x42, -0x7, +0x40, +0xa, 0xa, -0x6e, +0x9c, 0x88, 0xd, 0x0, @@ -2176,6 +2176,52 @@ static unsigned char AmlCode[] = { 0x0, 0xc0, 0x1e, +0x8a, +0x2b, +0x0, +0x0, +0xc, +0x3, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x80, +0x0, +0x0, +0x0, +0xff, +0xff, +0xff, +0xff, +0xff, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x0, +0x80, +0x0, +0x0, +0x0, 0x79, 0x0, 0x10, diff --git a/src/config.h b/src/config.h index b0187a4..236f2e9 100644 --- a/src/config.h +++ b/src/config.h @@ -47,6 +47,8 @@
#define BUILD_PCIMEM_START 0xe0000000 #define BUILD_PCIMEM_END 0xfec00000 /* IOAPIC is mapped at */ +#define BUILD_PCIMEM_64_START 0x8000000000LL +#define BUILD_PCIMEM_64_END 0x10000000000LL
#define BUILD_IOAPIC_ADDR 0xfec00000 #define BUILD_HPET_ADDRESS 0xfed00000