153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
|
#ifndef _UAPI_ASM_X86_KVM_PARA_H
|
|
#define _UAPI_ASM_X86_KVM_PARA_H
|
|
|
|
#include <linux/types.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 two feature bitmaps in eax, edx. Before enabling
|
|
* a particular paravirtualization, the appropriate feature bit should
|
|
* be checked in eax. The performance hint feature bit should be checked
|
|
* in edx.
|
|
*/
|
|
#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
|
|
#define KVM_FEATURE_PV_UNHALT 7
|
|
#define KVM_FEATURE_PV_TLB_FLUSH 9
|
|
#define KVM_FEATURE_ASYNC_PF_VMEXIT 10
|
|
#define KVM_FEATURE_PV_SEND_IPI 11
|
|
#define KVM_FEATURE_POLL_CONTROL 12
|
|
#define KVM_FEATURE_PV_SCHED_YIELD 13
|
|
#define KVM_FEATURE_ASYNC_PF_INT 14
|
|
#define KVM_FEATURE_MSI_EXT_DEST_ID 15
|
|
#define KVM_FEATURE_HC_MAP_GPA_RANGE 16
|
|
#define KVM_FEATURE_MIGRATION_CONTROL 17
|
|
|
|
#define KVM_HINTS_REALTIME 0
|
|
|
|
/* 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
|
|
#define MSR_KVM_POLL_CONTROL 0x4b564d05
|
|
#define MSR_KVM_ASYNC_PF_INT 0x4b564d06
|
|
#define MSR_KVM_ASYNC_PF_ACK 0x4b564d07
|
|
#define MSR_KVM_MIGRATION_CONTROL 0x4b564d08
|
|
|
|
struct kvm_steal_time {
|
|
__u64 steal;
|
|
__u32 version;
|
|
__u32 flags;
|
|
__u8 preempted;
|
|
__u8 u8_pad[3];
|
|
__u32 pad[11];
|
|
};
|
|
|
|
#define KVM_VCPU_PREEMPTED (1 << 0)
|
|
#define KVM_VCPU_FLUSH_TLB (1 << 1)
|
|
|
|
#define KVM_CLOCK_PAIRING_WALLCLOCK 0
|
|
struct kvm_clock_pairing {
|
|
__s64 sec;
|
|
__s64 nsec;
|
|
__u64 tsc;
|
|
__u32 flags;
|
|
__u32 pad[9];
|
|
};
|
|
|
|
#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)
|
|
#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2)
|
|
#define KVM_ASYNC_PF_DELIVERY_AS_INT (1 << 3)
|
|
|
|
/* MSR_KVM_ASYNC_PF_INT */
|
|
#define KVM_ASYNC_PF_VEC_MASK GENMASK(7, 0)
|
|
|
|
/* MSR_KVM_MIGRATION_CONTROL */
|
|
#define KVM_MIGRATION_READY (1 << 0)
|
|
|
|
/* KVM_HC_MAP_GPA_RANGE */
|
|
#define KVM_MAP_GPA_RANGE_PAGE_SZ_4K 0
|
|
#define KVM_MAP_GPA_RANGE_PAGE_SZ_2M (1 << 0)
|
|
#define KVM_MAP_GPA_RANGE_PAGE_SZ_1G (1 << 1)
|
|
#define KVM_MAP_GPA_RANGE_ENC_STAT(n) (n << 4)
|
|
#define KVM_MAP_GPA_RANGE_ENCRYPTED KVM_MAP_GPA_RANGE_ENC_STAT(1)
|
|
#define KVM_MAP_GPA_RANGE_DECRYPTED KVM_MAP_GPA_RANGE_ENC_STAT(0)
|
|
|
|
/* 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 {
|
|
/* Used for 'page not present' events delivered via #PF */
|
|
__u32 flags;
|
|
|
|
/* Used for 'page ready' events delivered via interrupt notification */
|
|
__u32 token;
|
|
|
|
__u8 pad[56];
|
|
__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 */
|