diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/kvm_host.h | 4 | ||||
| -rw-r--r-- | include/asm-x86/kvm_para.h | 29 | ||||
| -rw-r--r-- | include/linux/kvm.h | 1 | ||||
| -rw-r--r-- | include/linux/kvm_para.h | 5 |
4 files changed, 38 insertions, 1 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 99d31f5ed9f..772ba95f0a0 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -434,6 +434,10 @@ int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3); int __emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, const void *val, int bytes); +int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, + gpa_t addr, unsigned long *ret); + +extern bool tdp_enabled; enum emulation_result { EMULATE_DONE, /* no further processing */ diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h index ed5df3a54aa..50984594207 100644 --- a/include/asm-x86/kvm_para.h +++ b/include/asm-x86/kvm_para.h @@ -12,10 +12,39 @@ #define KVM_CPUID_FEATURES 0x40000001 #define KVM_FEATURE_CLOCKSOURCE 0 #define KVM_FEATURE_NOP_IO_DELAY 1 +#define KVM_FEATURE_MMU_OP 2 #define MSR_KVM_WALL_CLOCK 0x11 #define MSR_KVM_SYSTEM_TIME 0x12 +#define KVM_MAX_MMU_OP_BATCH 32 + +/* 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; +}; + #ifdef __KERNEL__ #include <asm/processor.h> diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 76f09474be9..c1b502a50a0 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -238,6 +238,7 @@ struct kvm_vapic_addr { #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */ #define KVM_CAP_PIT 11 #define KVM_CAP_NOP_IO_DELAY 12 +#define KVM_CAP_PV_MMU 13 /* * ioctls for VM fds diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h index 9c462c91a6b..3ddce03766c 100644 --- a/include/linux/kvm_para.h +++ b/include/linux/kvm_para.h @@ -11,8 +11,11 @@ /* Return values for hypercalls */ #define KVM_ENOSYS 1000 +#define KVM_EFAULT EFAULT +#define KVM_E2BIG E2BIG -#define KVM_HC_VAPIC_POLL_IRQ 1 +#define KVM_HC_VAPIC_POLL_IRQ 1 +#define KVM_HC_MMU_OP 2 /* * hypercalls use architecture specific |