af170c5061
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
#ifndef _UAPI_ASM_X86_KVM_PARA_H
|
|
#define _UAPI_ASM_X86_KVM_PARA_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/hyperv.h>
|
|
|
|
/* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It
|
|
* should be used to determine that a VM is running under KVM.
|
|
*/
|
|
#define KVM_CPUID_SIGNATURE 0x40000000
|
|
|
|
/* This CPUID returns a feature bitmap in eax. Before enabling a particular
|
|
* paravirtualization, the appropriate feature bit should be checked.
|
|
*/
|
|
#define KVM_CPUID_FEATURES 0x40000001
|
|
#define KVM_FEATURE_CLOCKSOURCE 0
|
|
#define KVM_FEATURE_NOP_IO_DELAY 1
|
|
#define KVM_FEATURE_MMU_OP 2
|
|
/* This indicates that the new set of kvmclock msrs
|
|
* are available. The use of 0x11 and 0x12 is deprecated
|
|
*/
|
|
#define KVM_FEATURE_CLOCKSOURCE2 3
|
|
#define KVM_FEATURE_ASYNC_PF 4
|
|
#define KVM_FEATURE_STEAL_TIME 5
|
|
#define KVM_FEATURE_PV_EOI 6
|
|
|
|
/* The last 8 bits are used to indicate how to interpret the flags field
|
|
* in pvclock structure. If no bits are set, all flags are ignored.
|
|
*/
|
|
#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 24
|
|
|
|
#define MSR_KVM_WALL_CLOCK 0x11
|
|
#define MSR_KVM_SYSTEM_TIME 0x12
|
|
|
|
#define KVM_MSR_ENABLED 1
|
|
/* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
|
|
#define MSR_KVM_WALL_CLOCK_NEW 0x4b564d00
|
|
#define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
|
|
#define MSR_KVM_ASYNC_PF_EN 0x4b564d02
|
|
#define MSR_KVM_STEAL_TIME 0x4b564d03
|
|
#define MSR_KVM_PV_EOI_EN 0x4b564d04
|
|
|
|
struct kvm_steal_time {
|
|
__u64 steal;
|
|
__u32 version;
|
|
__u32 flags;
|
|
__u32 pad[12];
|
|
};
|
|
|
|
#define KVM_STEAL_ALIGNMENT_BITS 5
|
|
#define KVM_STEAL_VALID_BITS ((-1ULL << (KVM_STEAL_ALIGNMENT_BITS + 1)))
|
|
#define KVM_STEAL_RESERVED_MASK (((1 << KVM_STEAL_ALIGNMENT_BITS) - 1 ) << 1)
|
|
|
|
#define KVM_MAX_MMU_OP_BATCH 32
|
|
|
|
#define KVM_ASYNC_PF_ENABLED (1 << 0)
|
|
#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
|
|
|
|
/* Operations for KVM_HC_MMU_OP */
|
|
#define KVM_MMU_OP_WRITE_PTE 1
|
|
#define KVM_MMU_OP_FLUSH_TLB 2
|
|
#define KVM_MMU_OP_RELEASE_PT 3
|
|
|
|
/* Payload for KVM_HC_MMU_OP */
|
|
struct kvm_mmu_op_header {
|
|
__u32 op;
|
|
__u32 pad;
|
|
};
|
|
|
|
struct kvm_mmu_op_write_pte {
|
|
struct kvm_mmu_op_header header;
|
|
__u64 pte_phys;
|
|
__u64 pte_val;
|
|
};
|
|
|
|
struct kvm_mmu_op_flush_tlb {
|
|
struct kvm_mmu_op_header header;
|
|
};
|
|
|
|
struct kvm_mmu_op_release_pt {
|
|
struct kvm_mmu_op_header header;
|
|
__u64 pt_phys;
|
|
};
|
|
|
|
#define KVM_PV_REASON_PAGE_NOT_PRESENT 1
|
|
#define KVM_PV_REASON_PAGE_READY 2
|
|
|
|
struct kvm_vcpu_pv_apf_data {
|
|
__u32 reason;
|
|
__u8 pad[60];
|
|
__u32 enabled;
|
|
};
|
|
|
|
#define KVM_PV_EOI_BIT 0
|
|
#define KVM_PV_EOI_MASK (0x1 << KVM_PV_EOI_BIT)
|
|
#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
|
|
#define KVM_PV_EOI_DISABLED 0x0
|
|
|
|
|
|
#endif /* _UAPI_ASM_X86_KVM_PARA_H */
|