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Commit 588968b6 authored by Laurent Vivier's avatar Laurent Vivier Committed by Avi Kivity
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KVM: Add coalesced MMIO support (powerpc part) 



This patch enables coalesced MMIO for powerpc architecture.
It defines KVM_MMIO_PAGE_OFFSET and KVM_CAP_COALESCED_MMIO.
It enables the compilation of coalesced_mmio.c.

Signed-off-by: default avatarLaurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 542472b5

arch/powerpc/kvm/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 


EXTRA_CFLAGS += -Ivirt/kvm -Iarch/powerpc/kvm



common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o)

common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)



kvm-objs := $(common-objs) powerpc.o emulate.o booke_guest.o

obj-$(CONFIG_KVM) += kvm.o

arch/powerpc/kvm/powerpc.c

+3 −0
Original line number Diff line number Diff line
@@ -145,6 +145,9 @@ int kvm_dev_ioctl_check_extension(long ext) 
	case KVM_CAP_USER_MEMORY:

		r = 1;

		break;

	case KVM_CAP_COALESCED_MMIO:

		r = KVM_COALESCED_MMIO_PAGE_OFFSET;

		break;

	default:

		r = 0;

		break;

include/asm-powerpc/kvm_host.h

+2 −0
Original line number Diff line number Diff line
@@ -31,6 +31,8 @@ 
/* memory slots that does not exposed to userspace */

#define KVM_PRIVATE_MEM_SLOTS 4



#define KVM_COALESCED_MMIO_PAGE_OFFSET 1



/* We don't currently support large pages. */

#define KVM_PAGES_PER_HPAGE (1<<31)