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| author |   Avi Kivity <avi@qumranet.com> | 2006-12-22 01:06:02 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-22 08:55:46 -0800 |
| commit | 0b76e20b27d20f7cb240e6b1b2dbebaa1b7f9b60 (patch) | |
| tree | 409d8ca0f46500b5998aca9400c3419f9ebb789f | |
| parent | [PATCH] KVM: Handle p5 mce msrs (diff) | |
| download | linux-dev-0b76e20b27d20f7cb240e6b1b2dbebaa1b7f9b60.tar.xz linux-dev-0b76e20b27d20f7cb240e6b1b2dbebaa1b7f9b60.zip | |
[PATCH] KVM: API versioning
Add compile-time and run-time API versioning.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/kvm/kvm_main.c | 3 | ||||
| -rw-r--r-- | include/linux/kvm.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index bc2e6c19f855..9f24f22e4cb2 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1603,6 +1603,9 @@ static long kvm_dev_ioctl(struct file *filp, int r = -EINVAL; switch (ioctl) { + case KVM_GET_API_VERSION: + r = KVM_API_VERSION; + break; case KVM_CREATE_VCPU: { r = kvm_dev_ioctl_create_vcpu(kvm, arg); if (r) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 5bb2c3c585c1..28fdce1ac1db 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -11,6 +11,8 @@ #include <asm/types.h> #include <linux/ioctl.h> +#define KVM_API_VERSION 1 + /* * Architectural interrupt line count, and the size of the bitmap needed * to hold them. @@ -209,6 +211,7 @@ struct kvm_dirty_log { #define KVMIO 0xAE +#define KVM_GET_API_VERSION _IO(KVMIO, 1) #define KVM_RUN _IOWR(KVMIO, 2, struct kvm_run) #define KVM_GET_REGS _IOWR(KVMIO, 3, struct kvm_regs) #define KVM_SET_REGS _IOW(KVMIO, 4, struct kvm_regs) |