linux-headers/asm-x86/kvm.h

   1 #ifndef _ASM_X86_KVM_H
   2 #define _ASM_X86_KVM_H
   3
   4 /*
   5  * KVM x86 specific structures and definitions
   6  *
   7  */
   8
   9 #include <linux/types.h>
  10 #include <linux/ioctl.h>
  11
  12 #define DE_VECTOR 0
  13 #define DB_VECTOR 1
  14 #define BP_VECTOR 3
  15 #define OF_VECTOR 4
  16 #define BR_VECTOR 5
  17 #define UD_VECTOR 6
  18 #define NM_VECTOR 7
  19 #define DF_VECTOR 8
  20 #define TS_VECTOR 10
  21 #define NP_VECTOR 11
  22 #define SS_VECTOR 12
  23 #define GP_VECTOR 13
  24 #define PF_VECTOR 14
  25 #define MF_VECTOR 16
  26 #define AC_VECTOR 17
  27 #define MC_VECTOR 18
  28 #define XM_VECTOR 19
  29 #define VE_VECTOR 20
  30
  31 /* Select x86 specific features in <linux/kvm.h> */
  32 #define __KVM_HAVE_PIT
  33 #define __KVM_HAVE_IOAPIC
  34 #define __KVM_HAVE_IRQ_LINE
  35 #define __KVM_HAVE_MSI
  36 #define __KVM_HAVE_USER_NMI
  37 #define __KVM_HAVE_GUEST_DEBUG
  38 #define __KVM_HAVE_MSIX
  39 #define __KVM_HAVE_MCE
  40 #define __KVM_HAVE_PIT_STATE2
  41 #define __KVM_HAVE_XEN_HVM
  42 #define __KVM_HAVE_VCPU_EVENTS
  43 #define __KVM_HAVE_DEBUGREGS
  44 #define __KVM_HAVE_XSAVE
  45 #define __KVM_HAVE_XCRS
  46 #define __KVM_HAVE_READONLY_MEM
  47
  48 /* Architectural interrupt line count. */
  49 #define KVM_NR_INTERRUPTS 256
  50
  51 struct kvm_memory_alias {
  52         __u32 slot;  /* this has a different namespace than memory slots */
  53         __u32 flags;
  54         __u64 guest_phys_addr;
  55         __u64 memory_size;
  56         __u64 target_phys_addr;
  57 };
  58
  59 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
  60 struct kvm_pic_state {
  61         __u8 last_irr;  /* edge detection */
  62         __u8 irr;               /* interrupt request register */
  63         __u8 imr;               /* interrupt mask register */
  64         __u8 isr;               /* interrupt service register */
  65         __u8 priority_add;      /* highest irq priority */
  66         __u8 irq_base;
  67         __u8 read_reg_select;
  68         __u8 poll;
  69         __u8 special_mask;
  70         __u8 init_state;
  71         __u8 auto_eoi;
  72         __u8 rotate_on_auto_eoi;
  73         __u8 special_fully_nested_mode;
  74         __u8 init4;             /* true if 4 byte init */
  75         __u8 elcr;              /* PIIX edge/trigger selection */
  76         __u8 elcr_mask;
  77 };
  78
  79 #define KVM_IOAPIC_NUM_PINS  24
  80 struct kvm_ioapic_state {
  81         __u64 base_address;
  82         __u32 ioregsel;
  83         __u32 id;
  84         __u32 irr;
  85         __u32 pad;
  86         union {
  87                 __u64 bits;
  88                 struct {
  89                         __u8 vector;
  90                         __u8 delivery_mode:3;
  91                         __u8 dest_mode:1;
  92                         __u8 delivery_status:1;
  93                         __u8 polarity:1;
  94                         __u8 remote_irr:1;
  95                         __u8 trig_mode:1;
  96                         __u8 mask:1;
  97                         __u8 reserve:7;
  98                         __u8 reserved[4];
  99                         __u8 dest_id;
 100                 } fields;
 101         } redirtbl[KVM_IOAPIC_NUM_PINS];
 102 };
 103
 104 #define KVM_IRQCHIP_PIC_MASTER   0
 105 #define KVM_IRQCHIP_PIC_SLAVE    1
 106 #define KVM_IRQCHIP_IOAPIC       2
 107 #define KVM_NR_IRQCHIPS          3
 108
 109 #define KVM_RUN_X86_SMM          (1 << 0)
 110
 111 /* for KVM_GET_REGS and KVM_SET_REGS */
 112 struct kvm_regs {
 113         /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
 114         __u64 rax, rbx, rcx, rdx;
 115         __u64 rsi, rdi, rsp, rbp;
 116         __u64 r8,  r9,  r10, r11;
 117         __u64 r12, r13, r14, r15;
 118         __u64 rip, rflags;
 119 };
 120
 121 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
 122 #define KVM_APIC_REG_SIZE 0x400
 123 struct kvm_lapic_state {
 124         char regs[KVM_APIC_REG_SIZE];
 125 };
 126
 127 struct kvm_segment {
 128         __u64 base;
 129         __u32 limit;
 130         __u16 selector;
 131         __u8  type;
 132         __u8  present, dpl, db, s, l, g, avl;
 133         __u8  unusable;
 134         __u8  padding;
 135 };
 136
 137 struct kvm_dtable {
 138         __u64 base;
 139         __u16 limit;
 140         __u16 padding[3];
 141 };
 142
 143
 144 /* for KVM_GET_SREGS and KVM_SET_SREGS */
 145 struct kvm_sregs {
 146         /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
 147         struct kvm_segment cs, ds, es, fs, gs, ss;
 148         struct kvm_segment tr, ldt;
 149         struct kvm_dtable gdt, idt;
 150         __u64 cr0, cr2, cr3, cr4, cr8;
 151         __u64 efer;
 152         __u64 apic_base;
 153         __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
 154 };
 155
 156 /* for KVM_GET_FPU and KVM_SET_FPU */
 157 struct kvm_fpu {
 158         __u8  fpr[8][16];
 159         __u16 fcw;
 160         __u16 fsw;
 161         __u8  ftwx;  /* in fxsave format */
 162         __u8  pad1;
 163         __u16 last_opcode;
 164         __u64 last_ip;
 165         __u64 last_dp;
 166         __u8  xmm[16][16];
 167         __u32 mxcsr;
 168         __u32 pad2;
 169 };
 170
 171 struct kvm_msr_entry {
 172         __u32 index;
 173         __u32 reserved;
 174         __u64 data;
 175 };
 176
 177 /* for KVM_GET_MSRS and KVM_SET_MSRS */
 178 struct kvm_msrs {
 179         __u32 nmsrs; /* number of msrs in entries */
 180         __u32 pad;
 181
 182         struct kvm_msr_entry entries[0];
 183 };
 184
 185 /* for KVM_GET_MSR_INDEX_LIST */
 186 struct kvm_msr_list {
 187         __u32 nmsrs; /* number of msrs in entries */
 188         __u32 indices[0];
 189 };
 190
 191
 192 struct kvm_cpuid_entry {
 193         __u32 function;
 194         __u32 eax;
 195         __u32 ebx;
 196         __u32 ecx;
 197         __u32 edx;
 198         __u32 padding;
 199 };
 200
 201 /* for KVM_SET_CPUID */
 202 struct kvm_cpuid {
 203         __u32 nent;
 204         __u32 padding;
 205         struct kvm_cpuid_entry entries[0];
 206 };
 207
 208 struct kvm_cpuid_entry2 {
 209         __u32 function;
 210         __u32 index;
 211         __u32 flags;
 212         __u32 eax;
 213         __u32 ebx;
 214         __u32 ecx;
 215         __u32 edx;
 216         __u32 padding[3];
 217 };
 218
 219 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX         BIT(0)
 220 #define KVM_CPUID_FLAG_STATEFUL_FUNC            BIT(1)
 221 #define KVM_CPUID_FLAG_STATE_READ_NEXT          BIT(2)
 222
 223 /* for KVM_SET_CPUID2 */
 224 struct kvm_cpuid2 {
 225         __u32 nent;
 226         __u32 padding;
 227         struct kvm_cpuid_entry2 entries[0];
 228 };
 229
 230 /* for KVM_GET_PIT and KVM_SET_PIT */
 231 struct kvm_pit_channel_state {
 232         __u32 count; /* can be 65536 */
 233         __u16 latched_count;
 234         __u8 count_latched;
 235         __u8 status_latched;
 236         __u8 status;
 237         __u8 read_state;
 238         __u8 write_state;
 239         __u8 write_latch;
 240         __u8 rw_mode;
 241         __u8 mode;
 242         __u8 bcd;
 243         __u8 gate;
 244         __s64 count_load_time;
 245 };
 246
 247 struct kvm_debug_exit_arch {
 248         __u32 exception;
 249         __u32 pad;
 250         __u64 pc;
 251         __u64 dr6;
 252         __u64 dr7;
 253 };
 254
 255 #define KVM_GUESTDBG_USE_SW_BP          0x00010000
 256 #define KVM_GUESTDBG_USE_HW_BP          0x00020000
 257 #define KVM_GUESTDBG_INJECT_DB          0x00040000
 258 #define KVM_GUESTDBG_INJECT_BP          0x00080000
 259
 260 /* for KVM_SET_GUEST_DEBUG */
 261 struct kvm_guest_debug_arch {
 262         __u64 debugreg[8];
 263 };
 264
 265 struct kvm_pit_state {
 266         struct kvm_pit_channel_state channels[3];
 267 };
 268
 269 #define KVM_PIT_FLAGS_HPET_LEGACY  0x00000001
 270
 271 struct kvm_pit_state2 {
 272         struct kvm_pit_channel_state channels[3];
 273         __u32 flags;
 274         __u32 reserved[9];
 275 };
 276
 277 struct kvm_reinject_control {
 278         __u8 pit_reinject;
 279         __u8 reserved[31];
 280 };
 281
 282 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
 283 #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
 284 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
 285 #define KVM_VCPUEVENT_VALID_SHADOW      0x00000004
 286 #define KVM_VCPUEVENT_VALID_SMM         0x00000008
 287
 288 /* Interrupt shadow states */
 289 #define KVM_X86_SHADOW_INT_MOV_SS       0x01
 290 #define KVM_X86_SHADOW_INT_STI          0x02
 291
 292 /* for KVM_GET/SET_VCPU_EVENTS */
 293 struct kvm_vcpu_events {
 294         struct {
 295                 __u8 injected;
 296                 __u8 nr;
 297                 __u8 has_error_code;
 298                 __u8 pad;
 299                 __u32 error_code;
 300         } exception;
 301         struct {
 302                 __u8 injected;
 303                 __u8 nr;
 304                 __u8 soft;
 305                 __u8 shadow;
 306         } interrupt;
 307         struct {
 308                 __u8 injected;
 309                 __u8 pending;
 310                 __u8 masked;
 311                 __u8 pad;
 312         } nmi;
 313         __u32 sipi_vector;
 314         __u32 flags;
 315         struct {
 316                 __u8 smm;
 317                 __u8 pending;
 318                 __u8 smm_inside_nmi;
 319                 __u8 latched_init;
 320         } smi;
 321         __u32 reserved[9];
 322 };
 323
 324 /* for KVM_GET/SET_DEBUGREGS */
 325 struct kvm_debugregs {
 326         __u64 db[4];
 327         __u64 dr6;
 328         __u64 dr7;
 329         __u64 flags;
 330         __u64 reserved[9];
 331 };
 332
 333 /* for KVM_CAP_XSAVE */
 334 struct kvm_xsave {
 335         __u32 region[1024];
 336 };
 337
 338 #define KVM_MAX_XCRS    16
 339
 340 struct kvm_xcr {
 341         __u32 xcr;
 342         __u32 reserved;
 343         __u64 value;
 344 };
 345
 346 struct kvm_xcrs {
 347         __u32 nr_xcrs;
 348         __u32 flags;
 349         struct kvm_xcr xcrs[KVM_MAX_XCRS];
 350         __u64 padding[16];
 351 };
 352
 353 /* definition of registers in kvm_run */
 354 struct kvm_sync_regs {
 355 };
 356
 357 #define KVM_X86_QUIRK_LINT0_REENABLED   (1 << 0)
 358 #define KVM_X86_QUIRK_CD_NW_CLEARED     (1 << 1)
 359
 360 #endif /* _ASM_X86_KVM_H */