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| author | Laurent Vivier <Laurent.Vivier@bull.net> | 2008-05-30 16:05:56 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-20 12:42:31 +0300 |
| commit | 588968b6b7d34e6a88f538d1db9aca47b203623e (patch) | |
| tree | 0ffb6f15b2b6cab5b758f62d71f9e264ddc0a4fb | |
| parent | 542472b53ea9e0add0ba23976018210191d84754 (diff) | |
| download | op-kernel-dev-588968b6b7d34e6a88f538d1db9aca47b203623e.zip op-kernel-dev-588968b6b7d34e6a88f538d1db9aca47b203623e.tar.gz | |
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: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | arch/powerpc/kvm/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 3 | ||||
| -rw-r--r-- | include/asm-powerpc/kvm_host.h | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index d0d358d..04e3449 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -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 diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 0513b35..b850d24 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -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; diff --git a/include/asm-powerpc/kvm_host.h b/include/asm-powerpc/kvm_host.h index 81a69d7..2655e2a 100644 --- a/include/asm-powerpc/kvm_host.h +++ b/include/asm-powerpc/kvm_host.h @@ -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) |
