From e0f63cb9277b64850854aee301762beeeb463473 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Tue, 4 Mar 2008 00:50:59 +0800 Subject: KVM: Add save/restore supporting of in kernel PIT Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- include/asm-x86/kvm.h | 21 +++++++++++++++++++++ include/linux/kvm.h | 2 ++ 2 files changed, 23 insertions(+) (limited to 'include') diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h index 7a71120426a..12b4b25371d 100644 --- a/include/asm-x86/kvm.h +++ b/include/asm-x86/kvm.h @@ -188,4 +188,25 @@ struct kvm_cpuid2 { struct kvm_cpuid_entry2 entries[0]; }; +/* for KVM_GET_PIT and KVM_SET_PIT */ +struct kvm_pit_channel_state { + __u32 count; /* can be 65536 */ + __u16 latched_count; + __u8 count_latched; + __u8 status_latched; + __u8 status; + __u8 read_state; + __u8 write_state; + __u8 write_latch; + __u8 rw_mode; + __u8 mode; + __u8 bcd; + __u8 gate; + __s64 count_load_time; +}; + +struct kvm_pit_state { + struct kvm_pit_channel_state channels[3]; +}; + #endif diff --git a/include/linux/kvm.h b/include/linux/kvm.h index cefa9a2c7b8..a2f3274016e 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -260,6 +260,8 @@ struct kvm_vapic_addr { #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) #define KVM_CREATE_PIT _IO(KVMIO, 0x64) +#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state) +#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state) /* * ioctls for vcpu fds -- cgit v1.2.3-70-g09d2