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root/arch/x86/kvm/svm.h

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INCLUDED FROM


#ifndef __SVM_H
#define __SVM_H

enum {
        INTERCEPT_INTR,
        INTERCEPT_NMI,
        INTERCEPT_SMI,
        INTERCEPT_INIT,
        INTERCEPT_VINTR,
        INTERCEPT_SELECTIVE_CR0,
        INTERCEPT_STORE_IDTR,
        INTERCEPT_STORE_GDTR,
        INTERCEPT_STORE_LDTR,
        INTERCEPT_STORE_TR,
        INTERCEPT_LOAD_IDTR,
        INTERCEPT_LOAD_GDTR,
        INTERCEPT_LOAD_LDTR,
        INTERCEPT_LOAD_TR,
        INTERCEPT_RDTSC,
        INTERCEPT_RDPMC,
        INTERCEPT_PUSHF,
        INTERCEPT_POPF,
        INTERCEPT_CPUID,
        INTERCEPT_RSM,
        INTERCEPT_IRET,
        INTERCEPT_INTn,
        INTERCEPT_INVD,
        INTERCEPT_PAUSE,
        INTERCEPT_HLT,
        INTERCEPT_INVLPG,
        INTERCEPT_INVLPGA,
        INTERCEPT_IOIO_PROT,
        INTERCEPT_MSR_PROT,
        INTERCEPT_TASK_SWITCH,
        INTERCEPT_FERR_FREEZE,
        INTERCEPT_SHUTDOWN,
        INTERCEPT_VMRUN,
        INTERCEPT_VMMCALL,
        INTERCEPT_VMLOAD,
        INTERCEPT_VMSAVE,
        INTERCEPT_STGI,
        INTERCEPT_CLGI,
        INTERCEPT_SKINIT,
        INTERCEPT_RDTSCP,
        INTERCEPT_ICEBP,
        INTERCEPT_WBINVD,
        INTERCEPT_MONITOR,
        INTERCEPT_MWAIT,
        INTERCEPT_MWAIT_COND,
};


struct __attribute__ ((__packed__)) vmcb_control_area {
        u16 intercept_cr_read;
        u16 intercept_cr_write;
        u16 intercept_dr_read;
        u16 intercept_dr_write;
        u32 intercept_exceptions;
        u64 intercept;
        u8 reserved_1[44];
        u64 iopm_base_pa;
        u64 msrpm_base_pa;
        u64 tsc_offset;
        u32 asid;
        u8 tlb_ctl;
        u8 reserved_2[3];
        u32 int_ctl;
        u32 int_vector;
        u32 int_state;
        u8 reserved_3[4];
        u32 exit_code;
        u32 exit_code_hi;
        u64 exit_info_1;
        u64 exit_info_2;
        u32 exit_int_info;
        u32 exit_int_info_err;
        u64 nested_ctl;
        u8 reserved_4[16];
        u32 event_inj;
        u32 event_inj_err;
        u64 nested_cr3;
        u64 lbr_ctl;
        u8 reserved_5[832];
};


#define TLB_CONTROL_DO_NOTHING 0
#define TLB_CONTROL_FLUSH_ALL_ASID 1

#define V_TPR_MASK 0x0f

#define V_IRQ_SHIFT 8
#define V_IRQ_MASK (1 << V_IRQ_SHIFT)

#define V_INTR_PRIO_SHIFT 16
#define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)

#define V_IGN_TPR_SHIFT 20
#define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)

#define V_INTR_MASKING_SHIFT 24
#define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)

#define SVM_INTERRUPT_SHADOW_MASK 1

#define SVM_IOIO_STR_SHIFT 2
#define SVM_IOIO_REP_SHIFT 3
#define SVM_IOIO_SIZE_SHIFT 4
#define SVM_IOIO_ASIZE_SHIFT 7

#define SVM_IOIO_TYPE_MASK 1
#define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
#define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
#define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
#define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)

struct __attribute__ ((__packed__)) vmcb_seg {
        u16 selector;
        u16 attrib;
        u32 limit;
        u64 base;
};

struct __attribute__ ((__packed__)) vmcb_save_area {
        struct vmcb_seg es;
        struct vmcb_seg cs;
        struct vmcb_seg ss;
        struct vmcb_seg ds;
        struct vmcb_seg fs;
        struct vmcb_seg gs;
        struct vmcb_seg gdtr;
        struct vmcb_seg ldtr;
        struct vmcb_seg idtr;
        struct vmcb_seg tr;
        u8 reserved_1[43];
        u8 cpl;
        u8 reserved_2[4];
        u64 efer;
        u8 reserved_3[112];
        u64 cr4;
        u64 cr3;
        u64 cr0;
        u64 dr7;
        u64 dr6;
        u64 rflags;
        u64 rip;
        u8 reserved_4[88];
        u64 rsp;
        u8 reserved_5[24];
        u64 rax;
        u64 star;
        u64 lstar;
        u64 cstar;
        u64 sfmask;
        u64 kernel_gs_base;
        u64 sysenter_cs;
        u64 sysenter_esp;
        u64 sysenter_eip;
        u64 cr2;
        u8 reserved_6[32];
        u64 g_pat;
        u64 dbgctl;
        u64 br_from;
        u64 br_to;
        u64 last_excp_from;
        u64 last_excp_to;
};

struct __attribute__ ((__packed__)) vmcb {
        struct vmcb_control_area control;
        struct vmcb_save_area save;
};

#define SVM_CPUID_FEATURE_SHIFT 2
#define SVM_CPUID_FUNC 0x8000000a

#define MSR_EFER_SVME_MASK (1ULL << 12)
#define MSR_VM_CR       0xc0010114
#define MSR_VM_HSAVE_PA 0xc0010117ULL

#define SVM_VM_CR_SVM_DISABLE 4

#define SVM_SELECTOR_S_SHIFT 4
#define SVM_SELECTOR_DPL_SHIFT 5
#define SVM_SELECTOR_P_SHIFT 7
#define SVM_SELECTOR_AVL_SHIFT 8
#define SVM_SELECTOR_L_SHIFT 9
#define SVM_SELECTOR_DB_SHIFT 10
#define SVM_SELECTOR_G_SHIFT 11

#define SVM_SELECTOR_TYPE_MASK (0xf)
#define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
#define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
#define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
#define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
#define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
#define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
#define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)

#define SVM_SELECTOR_WRITE_MASK (1 << 1)
#define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
#define SVM_SELECTOR_CODE_MASK (1 << 3)

#define INTERCEPT_CR0_MASK 1
#define INTERCEPT_CR3_MASK (1 << 3)
#define INTERCEPT_CR4_MASK (1 << 4)
#define INTERCEPT_CR8_MASK (1 << 8)

#define INTERCEPT_DR0_MASK 1
#define INTERCEPT_DR1_MASK (1 << 1)
#define INTERCEPT_DR2_MASK (1 << 2)
#define INTERCEPT_DR3_MASK (1 << 3)
#define INTERCEPT_DR4_MASK (1 << 4)
#define INTERCEPT_DR5_MASK (1 << 5)
#define INTERCEPT_DR6_MASK (1 << 6)
#define INTERCEPT_DR7_MASK (1 << 7)

#define SVM_EVTINJ_VEC_MASK 0xff

#define SVM_EVTINJ_TYPE_SHIFT 8
#define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)

#define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
#define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)

#define SVM_EVTINJ_VALID (1 << 31)
#define SVM_EVTINJ_VALID_ERR (1 << 11)

#define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK

#define SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
#define SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
#define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
#define SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT

#define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
#define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR

#define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
#define SVM_EXITINFOSHIFT_TS_REASON_JMP 38

#define SVM_EXIT_READ_CR0       0x000
#define SVM_EXIT_READ_CR3       0x003
#define SVM_EXIT_READ_CR4       0x004
#define SVM_EXIT_READ_CR8       0x008
#define SVM_EXIT_WRITE_CR0      0x010
#define SVM_EXIT_WRITE_CR3      0x013
#define SVM_EXIT_WRITE_CR4      0x014
#define SVM_EXIT_WRITE_CR8      0x018
#define SVM_EXIT_READ_DR0       0x020
#define SVM_EXIT_READ_DR1       0x021
#define SVM_EXIT_READ_DR2       0x022
#define SVM_EXIT_READ_DR3       0x023
#define SVM_EXIT_READ_DR4       0x024
#define SVM_EXIT_READ_DR5       0x025
#define SVM_EXIT_READ_DR6       0x026
#define SVM_EXIT_READ_DR7       0x027
#define SVM_EXIT_WRITE_DR0      0x030
#define SVM_EXIT_WRITE_DR1      0x031
#define SVM_EXIT_WRITE_DR2      0x032
#define SVM_EXIT_WRITE_DR3      0x033
#define SVM_EXIT_WRITE_DR4      0x034
#define SVM_EXIT_WRITE_DR5      0x035
#define SVM_EXIT_WRITE_DR6      0x036
#define SVM_EXIT_WRITE_DR7      0x037
#define SVM_EXIT_EXCP_BASE      0x040
#define SVM_EXIT_INTR           0x060
#define SVM_EXIT_NMI            0x061
#define SVM_EXIT_SMI            0x062
#define SVM_EXIT_INIT           0x063
#define SVM_EXIT_VINTR          0x064
#define SVM_EXIT_CR0_SEL_WRITE  0x065
#define SVM_EXIT_IDTR_READ      0x066
#define SVM_EXIT_GDTR_READ      0x067
#define SVM_EXIT_LDTR_READ      0x068
#define SVM_EXIT_TR_READ        0x069
#define SVM_EXIT_IDTR_WRITE     0x06a
#define SVM_EXIT_GDTR_WRITE     0x06b
#define SVM_EXIT_LDTR_WRITE     0x06c
#define SVM_EXIT_TR_WRITE       0x06d
#define SVM_EXIT_RDTSC          0x06e
#define SVM_EXIT_RDPMC          0x06f
#define SVM_EXIT_PUSHF          0x070
#define SVM_EXIT_POPF           0x071
#define SVM_EXIT_CPUID          0x072
#define SVM_EXIT_RSM            0x073
#define SVM_EXIT_IRET           0x074
#define SVM_EXIT_SWINT          0x075
#define SVM_EXIT_INVD           0x076
#define SVM_EXIT_PAUSE          0x077
#define SVM_EXIT_HLT            0x078
#define SVM_EXIT_INVLPG         0x079
#define SVM_EXIT_INVLPGA        0x07a
#define SVM_EXIT_IOIO           0x07b
#define SVM_EXIT_MSR            0x07c
#define SVM_EXIT_TASK_SWITCH    0x07d
#define SVM_EXIT_FERR_FREEZE    0x07e
#define SVM_EXIT_SHUTDOWN       0x07f
#define SVM_EXIT_VMRUN          0x080
#define SVM_EXIT_VMMCALL        0x081
#define SVM_EXIT_VMLOAD         0x082
#define SVM_EXIT_VMSAVE         0x083
#define SVM_EXIT_STGI           0x084
#define SVM_EXIT_CLGI           0x085
#define SVM_EXIT_SKINIT         0x086
#define SVM_EXIT_RDTSCP         0x087
#define SVM_EXIT_ICEBP          0x088
#define SVM_EXIT_WBINVD         0x089
#define SVM_EXIT_MONITOR        0x08a
#define SVM_EXIT_MWAIT          0x08b
#define SVM_EXIT_MWAIT_COND     0x08c
#define SVM_EXIT_NPF            0x400

#define SVM_EXIT_ERR            -1

#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) /* TS and MP */

#define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
#define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
#define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
#define SVM_CLGI   ".byte 0x0f, 0x01, 0xdd"
#define SVM_STGI   ".byte 0x0f, 0x01, 0xdc"
#define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"

#endif


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