1#ifndef __SVM_H 2#define __SVM_H 3 4enum { 5 INTERCEPT_INTR, 6 INTERCEPT_NMI, 7 INTERCEPT_SMI, 8 INTERCEPT_INIT, 9 INTERCEPT_VINTR, 10 INTERCEPT_SELECTIVE_CR0, 11 INTERCEPT_STORE_IDTR, 12 INTERCEPT_STORE_GDTR, 13 INTERCEPT_STORE_LDTR, 14 INTERCEPT_STORE_TR, 15 INTERCEPT_LOAD_IDTR, 16 INTERCEPT_LOAD_GDTR, 17 INTERCEPT_LOAD_LDTR, 18 INTERCEPT_LOAD_TR, 19 INTERCEPT_RDTSC, 20 INTERCEPT_RDPMC, 21 INTERCEPT_PUSHF, 22 INTERCEPT_POPF, 23 INTERCEPT_CPUID, 24 INTERCEPT_RSM, 25 INTERCEPT_IRET, 26 INTERCEPT_INTn, 27 INTERCEPT_INVD, 28 INTERCEPT_PAUSE, 29 INTERCEPT_HLT, 30 INTERCEPT_INVLPG, 31 INTERCEPT_INVLPGA, 32 INTERCEPT_IOIO_PROT, 33 INTERCEPT_MSR_PROT, 34 INTERCEPT_TASK_SWITCH, 35 INTERCEPT_FERR_FREEZE, 36 INTERCEPT_SHUTDOWN, 37 INTERCEPT_VMRUN, 38 INTERCEPT_VMMCALL, 39 INTERCEPT_VMLOAD, 40 INTERCEPT_VMSAVE, 41 INTERCEPT_STGI, 42 INTERCEPT_CLGI, 43 INTERCEPT_SKINIT, 44 INTERCEPT_RDTSCP, 45 INTERCEPT_ICEBP, 46 INTERCEPT_WBINVD, 47 INTERCEPT_MONITOR, 48 INTERCEPT_MWAIT, 49 INTERCEPT_MWAIT_COND, 50}; 51 52 53struct __attribute__ ((__packed__)) vmcb_control_area { 54 u16 intercept_cr_read; 55 u16 intercept_cr_write; 56 u16 intercept_dr_read; 57 u16 intercept_dr_write; 58 u32 intercept_exceptions; 59 u64 intercept; 60 u8 reserved_1[44]; 61 u64 iopm_base_pa; 62 u64 msrpm_base_pa; 63 u64 tsc_offset; 64 u32 asid; 65 u8 tlb_ctl; 66 u8 reserved_2[3]; 67 u32 int_ctl; 68 u32 int_vector; 69 u32 int_state; 70 u8 reserved_3[4]; 71 u32 exit_code; 72 u32 exit_code_hi; 73 u64 exit_info_1; 74 u64 exit_info_2; 75 u32 exit_int_info; 76 u32 exit_int_info_err; 77 u64 nested_ctl; 78 u8 reserved_4[16]; 79 u32 event_inj; 80 u32 event_inj_err; 81 u64 nested_cr3; 82 u64 lbr_ctl; 83 u8 reserved_5[832]; 84}; 85 86 87#define TLB_CONTROL_DO_NOTHING 0 88#define TLB_CONTROL_FLUSH_ALL_ASID 1 89 90#define V_TPR_MASK 0x0f 91 92#define V_IRQ_SHIFT 8 93#define V_IRQ_MASK (1 << V_IRQ_SHIFT) 94 95#define V_INTR_PRIO_SHIFT 16 96#define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT) 97 98#define V_IGN_TPR_SHIFT 20 99#define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT) 100 101#define V_INTR_MASKING_SHIFT 24 102#define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT) 103 104#define SVM_INTERRUPT_SHADOW_MASK 1 105 106#define SVM_IOIO_STR_SHIFT 2 107#define SVM_IOIO_REP_SHIFT 3 108#define SVM_IOIO_SIZE_SHIFT 4 109#define SVM_IOIO_ASIZE_SHIFT 7 110 111#define SVM_IOIO_TYPE_MASK 1 112#define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT) 113#define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT) 114#define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT) 115#define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT) 116 117struct __attribute__ ((__packed__)) vmcb_seg { 118 u16 selector; 119 u16 attrib; 120 u32 limit; 121 u64 base; 122}; 123 124struct __attribute__ ((__packed__)) vmcb_save_area { 125 struct vmcb_seg es; 126 struct vmcb_seg cs; 127 struct vmcb_seg ss; 128 struct vmcb_seg ds; 129 struct vmcb_seg fs; 130 struct vmcb_seg gs; 131 struct vmcb_seg gdtr; 132 struct vmcb_seg ldtr; 133 struct vmcb_seg idtr; 134 struct vmcb_seg tr; 135 u8 reserved_1[43]; 136 u8 cpl; 137 u8 reserved_2[4]; 138 u64 efer; 139 u8 reserved_3[112]; 140 u64 cr4; 141 u64 cr3; 142 u64 cr0; 143 u64 dr7; 144 u64 dr6; 145 u64 rflags; 146 u64 rip; 147 u8 reserved_4[88]; 148 u64 rsp; 149 u8 reserved_5[24]; 150 u64 rax; 151 u64 star; 152 u64 lstar; 153 u64 cstar; 154 u64 sfmask; 155 u64 kernel_gs_base; 156 u64 sysenter_cs; 157 u64 sysenter_esp; 158 u64 sysenter_eip; 159 u64 cr2; 160 u8 reserved_6[32]; 161 u64 g_pat; 162 u64 dbgctl; 163 u64 br_from; 164 u64 br_to; 165 u64 last_excp_from; 166 u64 last_excp_to; 167}; 168 169struct __attribute__ ((__packed__)) vmcb { 170 struct vmcb_control_area control; 171 struct vmcb_save_area save; 172}; 173 174#define SVM_CPUID_FEATURE_SHIFT 2 175#define SVM_CPUID_FUNC 0x8000000a 176 177#define MSR_EFER_SVME_MASK (1ULL << 12) 178#define MSR_VM_HSAVE_PA 0xc0010117ULL 179 180#define SVM_SELECTOR_S_SHIFT 4 181#define SVM_SELECTOR_DPL_SHIFT 5 182#define SVM_SELECTOR_P_SHIFT 7 183#define SVM_SELECTOR_AVL_SHIFT 8 184#define SVM_SELECTOR_L_SHIFT 9 185#define SVM_SELECTOR_DB_SHIFT 10 186#define SVM_SELECTOR_G_SHIFT 11 187 188#define SVM_SELECTOR_TYPE_MASK (0xf) 189#define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT) 190#define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT) 191#define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT) 192#define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT) 193#define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT) 194#define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT) 195#define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT) 196 197#define SVM_SELECTOR_WRITE_MASK (1 << 1) 198#define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK 199#define SVM_SELECTOR_CODE_MASK (1 << 3) 200 201#define INTERCEPT_CR0_MASK 1 202#define INTERCEPT_CR3_MASK (1 << 3) 203#define INTERCEPT_CR4_MASK (1 << 4) 204 205#define INTERCEPT_DR0_MASK 1 206#define INTERCEPT_DR1_MASK (1 << 1) 207#define INTERCEPT_DR2_MASK (1 << 2) 208#define INTERCEPT_DR3_MASK (1 << 3) 209#define INTERCEPT_DR4_MASK (1 << 4) 210#define INTERCEPT_DR5_MASK (1 << 5) 211#define INTERCEPT_DR6_MASK (1 << 6) 212#define INTERCEPT_DR7_MASK (1 << 7) 213 214#define SVM_EVTINJ_VEC_MASK 0xff 215 216#define SVM_EVTINJ_TYPE_SHIFT 8 217#define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT) 218 219#define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT) 220#define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT) 221#define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT) 222#define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT) 223 224#define SVM_EVTINJ_VALID (1 << 31) 225#define SVM_EVTINJ_VALID_ERR (1 << 11) 226 227#define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK 228 229#define SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR 230#define SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI 231#define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT 232#define SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT 233 234#define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID 235#define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR 236 237#define SVM_EXIT_READ_CR0 0x000 238#define SVM_EXIT_READ_CR3 0x003 239#define SVM_EXIT_READ_CR4 0x004 240#define SVM_EXIT_READ_CR8 0x008 241#define SVM_EXIT_WRITE_CR0 0x010 242#define SVM_EXIT_WRITE_CR3 0x013 243#define SVM_EXIT_WRITE_CR4 0x014 244#define SVM_EXIT_WRITE_CR8 0x018 245#define SVM_EXIT_READ_DR0 0x020 246#define SVM_EXIT_READ_DR1 0x021 247#define SVM_EXIT_READ_DR2 0x022 248#define SVM_EXIT_READ_DR3 0x023 249#define SVM_EXIT_READ_DR4 0x024 250#define SVM_EXIT_READ_DR5 0x025 251#define SVM_EXIT_READ_DR6 0x026 252#define SVM_EXIT_READ_DR7 0x027 253#define SVM_EXIT_WRITE_DR0 0x030 254#define SVM_EXIT_WRITE_DR1 0x031 255#define SVM_EXIT_WRITE_DR2 0x032 256#define SVM_EXIT_WRITE_DR3 0x033 257#define SVM_EXIT_WRITE_DR4 0x034 258#define SVM_EXIT_WRITE_DR5 0x035 259#define SVM_EXIT_WRITE_DR6 0x036 260#define SVM_EXIT_WRITE_DR7 0x037 261#define SVM_EXIT_EXCP_BASE 0x040 262#define SVM_EXIT_INTR 0x060 263#define SVM_EXIT_NMI 0x061 264#define SVM_EXIT_SMI 0x062 265#define SVM_EXIT_INIT 0x063 266#define SVM_EXIT_VINTR 0x064 267#define SVM_EXIT_CR0_SEL_WRITE 0x065 268#define SVM_EXIT_IDTR_READ 0x066 269#define SVM_EXIT_GDTR_READ 0x067 270#define SVM_EXIT_LDTR_READ 0x068 271#define SVM_EXIT_TR_READ 0x069 272#define SVM_EXIT_IDTR_WRITE 0x06a 273#define SVM_EXIT_GDTR_WRITE 0x06b 274#define SVM_EXIT_LDTR_WRITE 0x06c 275#define SVM_EXIT_TR_WRITE 0x06d 276#define SVM_EXIT_RDTSC 0x06e 277#define SVM_EXIT_RDPMC 0x06f 278#define SVM_EXIT_PUSHF 0x070 279#define SVM_EXIT_POPF 0x071 280#define SVM_EXIT_CPUID 0x072 281#define SVM_EXIT_RSM 0x073 282#define SVM_EXIT_IRET 0x074 283#define SVM_EXIT_SWINT 0x075 284#define SVM_EXIT_INVD 0x076 285#define SVM_EXIT_PAUSE 0x077 286#define SVM_EXIT_HLT 0x078 287#define SVM_EXIT_INVLPG 0x079 288#define SVM_EXIT_INVLPGA 0x07a 289#define SVM_EXIT_IOIO 0x07b 290#define SVM_EXIT_MSR 0x07c 291#define SVM_EXIT_TASK_SWITCH 0x07d 292#define SVM_EXIT_FERR_FREEZE 0x07e 293#define SVM_EXIT_SHUTDOWN 0x07f 294#define SVM_EXIT_VMRUN 0x080 295#define SVM_EXIT_VMMCALL 0x081 296#define SVM_EXIT_VMLOAD 0x082 297#define SVM_EXIT_VMSAVE 0x083 298#define SVM_EXIT_STGI 0x084 299#define SVM_EXIT_CLGI 0x085 300#define SVM_EXIT_SKINIT 0x086 301#define SVM_EXIT_RDTSCP 0x087 302#define SVM_EXIT_ICEBP 0x088 303#define SVM_EXIT_WBINVD 0x089 304#define SVM_EXIT_MONITOR 0x08a 305#define SVM_EXIT_MWAIT 0x08b 306#define SVM_EXIT_MWAIT_COND 0x08c 307#define SVM_EXIT_NPF 0x400 308 309#define SVM_EXIT_ERR -1 310 311#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) // TS and MP 312 313#define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda" 314#define SVM_VMRUN ".byte 0x0f, 0x01, 0xd8" 315#define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb" 316#define SVM_CLGI ".byte 0x0f, 0x01, 0xdd" 317#define SVM_STGI ".byte 0x0f, 0x01, 0xdc" 318#define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf" 319 320#endif 321