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 KVM_PIO_PAGE_OFFSET 1
  13 #define KVM_COALESCED_MMIO_PAGE_OFFSET 2
  14
  15 #define DE_VECTOR 0
  16 #define DB_VECTOR 1
  17 #define BP_VECTOR 3
  18 #define OF_VECTOR 4
  19 #define BR_VECTOR 5
  20 #define UD_VECTOR 6
  21 #define NM_VECTOR 7
  22 #define DF_VECTOR 8
  23 #define TS_VECTOR 10
  24 #define NP_VECTOR 11
  25 #define SS_VECTOR 12
  26 #define GP_VECTOR 13
  27 #define PF_VECTOR 14
  28 #define MF_VECTOR 16
  29 #define AC_VECTOR 17
  30 #define MC_VECTOR 18
  31 #define XM_VECTOR 19
  32 #define VE_VECTOR 20
  33
  34 /* Select x86 specific features in <linux/kvm.h> */
  35 #define __KVM_HAVE_PIT
  36 #define __KVM_HAVE_IOAPIC
  37 #define __KVM_HAVE_IRQ_LINE
  38 #define __KVM_HAVE_MSI
  39 #define __KVM_HAVE_USER_NMI
  40 #define __KVM_HAVE_GUEST_DEBUG
  41 #define __KVM_HAVE_MSIX
  42 #define __KVM_HAVE_MCE
  43 #define __KVM_HAVE_PIT_STATE2
  44 #define __KVM_HAVE_XEN_HVM
  45 #define __KVM_HAVE_VCPU_EVENTS
  46 #define __KVM_HAVE_DEBUGREGS
  47 #define __KVM_HAVE_XSAVE
  48 #define __KVM_HAVE_XCRS
  49 #define __KVM_HAVE_READONLY_MEM
  50
  51 /* Architectural interrupt line count. */
  52 #define KVM_NR_INTERRUPTS 256
  53
  54 struct kvm_memory_alias {
  55         __u32 slot;  /* this has a different namespace than memory slots */
  56         __u32 flags;
  57         __u64 guest_phys_addr;
  58         __u64 memory_size;
  59         __u64 target_phys_addr;
  60 };
  61
  62 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
  63 struct kvm_pic_state {
  64         __u8 last_irr;  /* edge detection */
  65         __u8 irr;               /* interrupt request register */
  66         __u8 imr;               /* interrupt mask register */
  67         __u8 isr;               /* interrupt service register */
  68         __u8 priority_add;      /* highest irq priority */
  69         __u8 irq_base;
  70         __u8 read_reg_select;
  71         __u8 poll;
  72         __u8 special_mask;
  73         __u8 init_state;
  74         __u8 auto_eoi;
  75         __u8 rotate_on_auto_eoi;
  76         __u8 special_fully_nested_mode;
  77         __u8 init4;             /* true if 4 byte init */
  78         __u8 elcr;              /* PIIX edge/trigger selection */
  79         __u8 elcr_mask;
  80 };
  81
  82 #define KVM_IOAPIC_NUM_PINS  24
  83 struct kvm_ioapic_state {
  84         __u64 base_address;
  85         __u32 ioregsel;
  86         __u32 id;
  87         __u32 irr;
  88         __u32 pad;
  89         union {
  90                 __u64 bits;
  91                 struct {
  92                         __u8 vector;
  93                         __u8 delivery_mode:3;
  94                         __u8 dest_mode:1;
  95                         __u8 delivery_status:1;
  96                         __u8 polarity:1;
  97                         __u8 remote_irr:1;
  98                         __u8 trig_mode:1;
  99                         __u8 mask:1;
 100                         __u8 reserve:7;
 101                         __u8 reserved[4];
 102                         __u8 dest_id;
 103                 } fields;
 104         } redirtbl[KVM_IOAPIC_NUM_PINS];
 105 };
 106
 107 #define KVM_IRQCHIP_PIC_MASTER   0
 108 #define KVM_IRQCHIP_PIC_SLAVE    1
 109 #define KVM_IRQCHIP_IOAPIC       2
 110 #define KVM_NR_IRQCHIPS          3
 111
 112 #define KVM_RUN_X86_SMM          (1 << 0)
 113
 114 /* for KVM_GET_REGS and KVM_SET_REGS */
 115 struct kvm_regs {
 116         /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
 117         __u64 rax, rbx, rcx, rdx;
 118         __u64 rsi, rdi, rsp, rbp;
 119         __u64 r8,  r9,  r10, r11;
 120         __u64 r12, r13, r14, r15;
 121         __u64 rip, rflags;
 122 };
 123
 124 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
 125 #define KVM_APIC_REG_SIZE 0x400
 126 struct kvm_lapic_state {
 127         char regs[KVM_APIC_REG_SIZE];
 128 };
 129
 130 struct kvm_segment {
 131         __u64 base;
 132         __u32 limit;
 133         __u16 selector;
 134         __u8  type;
 135         __u8  present, dpl, db, s, l, g, avl;
 136         __u8  unusable;
 137         __u8  padding;
 138 };
 139
 140 struct kvm_dtable {
 141         __u64 base;
 142         __u16 limit;
 143         __u16 padding[3];
 144 };
 145
 146
 147 /* for KVM_GET_SREGS and KVM_SET_SREGS */
 148 struct kvm_sregs {
 149         /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
 150         struct kvm_segment cs, ds, es, fs, gs, ss;
 151         struct kvm_segment tr, ldt;
 152         struct kvm_dtable gdt, idt;
 153         __u64 cr0, cr2, cr3, cr4, cr8;
 154         __u64 efer;
 155         __u64 apic_base;
 156         __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
 157 };
 158
 159 /* for KVM_GET_FPU and KVM_SET_FPU */
 160 struct kvm_fpu {
 161         __u8  fpr[8][16];
 162         __u16 fcw;
 163         __u16 fsw;
 164         __u8  ftwx;  /* in fxsave format */
 165         __u8  pad1;
 166         __u16 last_opcode;
 167         __u64 last_ip;
 168         __u64 last_dp;
 169         __u8  xmm[16][16];
 170         __u32 mxcsr;
 171         __u32 pad2;
 172 };
 173
 174 struct kvm_msr_entry {
 175         __u32 index;
 176         __u32 reserved;
 177         __u64 data;
 178 };
 179
 180 /* for KVM_GET_MSRS and KVM_SET_MSRS */
 181 struct kvm_msrs {
 182         __u32 nmsrs; /* number of msrs in entries */
 183         __u32 pad;
 184
 185         struct kvm_msr_entry entries[0];
 186 };
 187
 188 /* for KVM_GET_MSR_INDEX_LIST */
 189 struct kvm_msr_list {
 190         __u32 nmsrs; /* number of msrs in entries */
 191         __u32 indices[0];
 192 };
 193
 194
 195 struct kvm_cpuid_entry {
 196         __u32 function;
 197         __u32 eax;
 198         __u32 ebx;
 199         __u32 ecx;
 200         __u32 edx;
 201         __u32 padding;
 202 };
 203
 204 /* for KVM_SET_CPUID */
 205 struct kvm_cpuid {
 206         __u32 nent;
 207         __u32 padding;
 208         struct kvm_cpuid_entry entries[0];
 209 };
 210
 211 struct kvm_cpuid_entry2 {
 212         __u32 function;
 213         __u32 index;
 214         __u32 flags;
 215         __u32 eax;
 216         __u32 ebx;
 217         __u32 ecx;
 218         __u32 edx;
 219         __u32 padding[3];
 220 };
 221
 222 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX         (1 << 0)
 223 #define KVM_CPUID_FLAG_STATEFUL_FUNC            (1 << 1)
 224 #define KVM_CPUID_FLAG_STATE_READ_NEXT          (1 << 2)
 225
 226 /* for KVM_SET_CPUID2 */
 227 struct kvm_cpuid2 {
 228         __u32 nent;
 229         __u32 padding;
 230         struct kvm_cpuid_entry2 entries[0];
 231 };
 232
 233 /* for KVM_GET_PIT and KVM_SET_PIT */
 234 struct kvm_pit_channel_state {
 235         __u32 count; /* can be 65536 */
 236         __u16 latched_count;
 237         __u8 count_latched;
 238         __u8 status_latched;
 239         __u8 status;
 240         __u8 read_state;
 241         __u8 write_state;
 242         __u8 write_latch;
 243         __u8 rw_mode;
 244         __u8 mode;
 245         __u8 bcd;
 246         __u8 gate;
 247         __s64 count_load_time;
 248 };
 249
 250 struct kvm_debug_exit_arch {
 251         __u32 exception;
 252         __u32 pad;
 253         __u64 pc;
 254         __u64 dr6;
 255         __u64 dr7;
 256 };
 257
 258 #define KVM_GUESTDBG_USE_SW_BP          0x00010000
 259 #define KVM_GUESTDBG_USE_HW_BP          0x00020000
 260 #define KVM_GUESTDBG_INJECT_DB          0x00040000
 261 #define KVM_GUESTDBG_INJECT_BP          0x00080000
 262
 263 /* for KVM_SET_GUEST_DEBUG */
 264 struct kvm_guest_debug_arch {
 265         __u64 debugreg[8];
 266 };
 267
 268 struct kvm_pit_state {
 269         struct kvm_pit_channel_state channels[3];
 270 };
 271
 272 #define KVM_PIT_FLAGS_HPET_LEGACY  0x00000001
 273
 274 struct kvm_pit_state2 {
 275         struct kvm_pit_channel_state channels[3];
 276         __u32 flags;
 277         __u32 reserved[9];
 278 };
 279
 280 struct kvm_reinject_control {
 281         __u8 pit_reinject;
 282         __u8 reserved[31];
 283 };
 284
 285 /* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
 286 #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
 287 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
 288 #define KVM_VCPUEVENT_VALID_SHADOW      0x00000004
 289 #define KVM_VCPUEVENT_VALID_SMM         0x00000008
 290
 291 /* Interrupt shadow states */
 292 #define KVM_X86_SHADOW_INT_MOV_SS       0x01
 293 #define KVM_X86_SHADOW_INT_STI          0x02
 294
 295 /* for KVM_GET/SET_VCPU_EVENTS */
 296 struct kvm_vcpu_events {
 297         struct {
 298                 __u8 injected;
 299                 __u8 nr;
 300                 __u8 has_error_code;
 301                 __u8 pad;
 302                 __u32 error_code;
 303         } exception;
 304         struct {
 305                 __u8 injected;
 306                 __u8 nr;
 307                 __u8 soft;
 308                 __u8 shadow;
 309         } interrupt;
 310         struct {
 311                 __u8 injected;
 312                 __u8 pending;
 313                 __u8 masked;
 314                 __u8 pad;
 315         } nmi;
 316         __u32 sipi_vector;
 317         __u32 flags;
 318         struct {
 319                 __u8 smm;
 320                 __u8 pending;
 321                 __u8 smm_inside_nmi;
 322                 __u8 latched_init;
 323         } smi;
 324         __u32 reserved[9];
 325 };
 326
 327 /* for KVM_GET/SET_DEBUGREGS */
 328 struct kvm_debugregs {
 329         __u64 db[4];
 330         __u64 dr6;
 331         __u64 dr7;
 332         __u64 flags;
 333         __u64 reserved[9];
 334 };
 335
 336 /* for KVM_CAP_XSAVE */
 337 struct kvm_xsave {
 338         __u32 region[1024];
 339 };
 340
 341 #define KVM_MAX_XCRS    16
 342
 343 struct kvm_xcr {
 344         __u32 xcr;
 345         __u32 reserved;
 346         __u64 value;
 347 };
 348
 349 struct kvm_xcrs {
 350         __u32 nr_xcrs;
 351         __u32 flags;
 352         struct kvm_xcr xcrs[KVM_MAX_XCRS];
 353         __u64 padding[16];
 354 };
 355
 356 /* definition of registers in kvm_run */
 357 struct kvm_sync_regs {
 358 };
 359
 360 #define KVM_X86_QUIRK_LINT0_REENABLED   (1 << 0)
 361 #define KVM_X86_QUIRK_CD_NW_CLEARED     (1 << 1)
 362
 363 #endif /* _ASM_X86_KVM_H */