This patch enables MMIO batching for ia64 architecture.
It defines KVM_MMIO_PAGE_OFFSET and KVM_CAP_DELAYED_MMIO.
It enables the compilation of delayed_mmio.c.
WARNING: this has not been tested.
Signed-off-by: Laurent Vivier <[EMAIL PROTECTED]>
---
arch/ia64/kvm/Makefile | 3 ++-
arch/ia64/kvm/kvm-ia64.c | 3 +++
include/asm-ia64/kvm_host.h | 1 +
3 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index 112791d..b1c65fa 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -43,7 +43,8 @@ $(obj)/$(offsets-file): arch/ia64/kvm/asm-offsets.s
EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
-common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o)
+common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
+ delayed_mmio.o)
kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
obj-$(CONFIG_KVM) += kvm.o
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index b59231b..355b098 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -187,6 +187,9 @@ int kvm_dev_ioctl_check_extension(long ext)
r = 1;
break;
+ case KVM_CAP_DELAYED_MMIO:
+ r = KVM_MMIO_PAGE_OFFSET;
+ break;
default:
r = 0;
}
diff --git a/include/asm-ia64/kvm_host.h b/include/asm-ia64/kvm_host.h
index c082c20..e3ffd99 100644
--- a/include/asm-ia64/kvm_host.h
+++ b/include/asm-ia64/kvm_host.h
@@ -38,6 +38,7 @@
/* memory slots that does not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 4
+#define KVM_MMIO_PAGE_OFFSET 1
/* define exit reasons from vmm to kvm*/
#define EXIT_REASON_VM_PANIC 0
--
1.5.2.4
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