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Annotation of qemu/linux-headers/asm-x86/kvm_para.h, revision 1.1.1.1

1.1       root        1: #ifndef _ASM_X86_KVM_PARA_H
                      2: #define _ASM_X86_KVM_PARA_H
                      3: 
                      4: #include <linux/types.h>
                      5: #include <asm/hyperv.h>
                      6: 
                      7: /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx.  It
                      8:  * should be used to determine that a VM is running under KVM.
                      9:  */
                     10: #define KVM_CPUID_SIGNATURE    0x40000000
                     11: 
                     12: /* This CPUID returns a feature bitmap in eax.  Before enabling a particular
                     13:  * paravirtualization, the appropriate feature bit should be checked.
                     14:  */
                     15: #define KVM_CPUID_FEATURES     0x40000001
                     16: #define KVM_FEATURE_CLOCKSOURCE                0
                     17: #define KVM_FEATURE_NOP_IO_DELAY       1
                     18: #define KVM_FEATURE_MMU_OP             2
                     19: /* This indicates that the new set of kvmclock msrs
                     20:  * are available. The use of 0x11 and 0x12 is deprecated
                     21:  */
                     22: #define KVM_FEATURE_CLOCKSOURCE2        3
                     23: #define KVM_FEATURE_ASYNC_PF           4
                     24: 
                     25: /* The last 8 bits are used to indicate how to interpret the flags field
                     26:  * in pvclock structure. If no bits are set, all flags are ignored.
                     27:  */
                     28: #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT     24
                     29: 
                     30: #define MSR_KVM_WALL_CLOCK  0x11
                     31: #define MSR_KVM_SYSTEM_TIME 0x12
                     32: 
                     33: /* Custom MSRs falls in the range 0x4b564d00-0x4b564dff */
                     34: #define MSR_KVM_WALL_CLOCK_NEW  0x4b564d00
                     35: #define MSR_KVM_SYSTEM_TIME_NEW 0x4b564d01
                     36: #define MSR_KVM_ASYNC_PF_EN 0x4b564d02
                     37: 
                     38: #define KVM_MAX_MMU_OP_BATCH           32
                     39: 
                     40: #define KVM_ASYNC_PF_ENABLED                   (1 << 0)
                     41: #define KVM_ASYNC_PF_SEND_ALWAYS               (1 << 1)
                     42: 
                     43: /* Operations for KVM_HC_MMU_OP */
                     44: #define KVM_MMU_OP_WRITE_PTE            1
                     45: #define KVM_MMU_OP_FLUSH_TLB           2
                     46: #define KVM_MMU_OP_RELEASE_PT          3
                     47: 
                     48: /* Payload for KVM_HC_MMU_OP */
                     49: struct kvm_mmu_op_header {
                     50:        __u32 op;
                     51:        __u32 pad;
                     52: };
                     53: 
                     54: struct kvm_mmu_op_write_pte {
                     55:        struct kvm_mmu_op_header header;
                     56:        __u64 pte_phys;
                     57:        __u64 pte_val;
                     58: };
                     59: 
                     60: struct kvm_mmu_op_flush_tlb {
                     61:        struct kvm_mmu_op_header header;
                     62: };
                     63: 
                     64: struct kvm_mmu_op_release_pt {
                     65:        struct kvm_mmu_op_header header;
                     66:        __u64 pt_phys;
                     67: };
                     68: 
                     69: #define KVM_PV_REASON_PAGE_NOT_PRESENT 1
                     70: #define KVM_PV_REASON_PAGE_READY 2
                     71: 
                     72: struct kvm_vcpu_pv_apf_data {
                     73:        __u32 reason;
                     74:        __u8 pad[60];
                     75:        __u32 enabled;
                     76: };
                     77: 
                     78: 
                     79: #endif /* _ASM_X86_KVM_PARA_H */

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