include/asm-x86/kvm.h

   1 #ifndef __LINUX_KVM_X86_H
   2 #define __LINUX_KVM_X86_H
   3
   4 /*
   5  * KVM x86 specific structures and definitions
   6  *
   7  */
   8
   9 #include <asm/types.h>
  10 #include <linux/ioctl.h>
  11
  12 /* Architectural interrupt line count. */
  13 #define KVM_NR_INTERRUPTS 256
  14
  15 struct kvm_memory_alias {
  16         __u32 slot;  /* this has a different namespace than memory slots */
  17         __u32 flags;
  18         __u64 guest_phys_addr;
  19         __u64 memory_size;
  20         __u64 target_phys_addr;
  21 };
  22
  23 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
  24 struct kvm_pic_state {
  25         __u8 last_irr;  /* edge detection */
  26         __u8 irr;               /* interrupt request register */
  27         __u8 imr;               /* interrupt mask register */
  28         __u8 isr;               /* interrupt service register */
  29         __u8 priority_add;      /* highest irq priority */
  30         __u8 irq_base;
  31         __u8 read_reg_select;
  32         __u8 poll;
  33         __u8 special_mask;
  34         __u8 init_state;
  35         __u8 auto_eoi;
  36         __u8 rotate_on_auto_eoi;
  37         __u8 special_fully_nested_mode;
  38         __u8 init4;             /* true if 4 byte init */
  39         __u8 elcr;              /* PIIX edge/trigger selection */
  40         __u8 elcr_mask;
  41 };
  42
  43 #define KVM_IOAPIC_NUM_PINS  24
  44 struct kvm_ioapic_state {
  45         __u64 base_address;
  46         __u32 ioregsel;
  47         __u32 id;
  48         __u32 irr;
  49         __u32 pad;
  50         union {
  51                 __u64 bits;
  52                 struct {
  53                         __u8 vector;
  54                         __u8 delivery_mode:3;
  55                         __u8 dest_mode:1;
  56                         __u8 delivery_status:1;
  57                         __u8 polarity:1;
  58                         __u8 remote_irr:1;
  59                         __u8 trig_mode:1;
  60                         __u8 mask:1;
  61                         __u8 reserve:7;
  62                         __u8 reserved[4];
  63                         __u8 dest_id;
  64                 } fields;
  65         } redirtbl[KVM_IOAPIC_NUM_PINS];
  66 };
  67
  68 #define KVM_IRQCHIP_PIC_MASTER   0
  69 #define KVM_IRQCHIP_PIC_SLAVE    1
  70 #define KVM_IRQCHIP_IOAPIC       2
  71
  72 /* for KVM_GET_REGS and KVM_SET_REGS */
  73 struct kvm_regs {
  74         /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
  75         __u64 rax, rbx, rcx, rdx;
  76         __u64 rsi, rdi, rsp, rbp;
  77         __u64 r8,  r9,  r10, r11;
  78         __u64 r12, r13, r14, r15;
  79         __u64 rip, rflags;
  80 };
  81
  82 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
  83 #define KVM_APIC_REG_SIZE 0x400
  84 struct kvm_lapic_state {
  85         char regs[KVM_APIC_REG_SIZE];
  86 };
  87
  88 struct kvm_segment {
  89         __u64 base;
  90         __u32 limit;
  91         __u16 selector;
  92         __u8  type;
  93         __u8  present, dpl, db, s, l, g, avl;
  94         __u8  unusable;
  95         __u8  padding;
  96 };
  97
  98 struct kvm_dtable {
  99         __u64 base;
 100         __u16 limit;
 101         __u16 padding[3];
 102 };
 103
 104
 105 /* for KVM_GET_SREGS and KVM_SET_SREGS */
 106 struct kvm_sregs {
 107         /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
 108         struct kvm_segment cs, ds, es, fs, gs, ss;
 109         struct kvm_segment tr, ldt;
 110         struct kvm_dtable gdt, idt;
 111         __u64 cr0, cr2, cr3, cr4, cr8;
 112         __u64 efer;
 113         __u64 apic_base;
 114         __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
 115 };
 116
 117 /* for KVM_GET_FPU and KVM_SET_FPU */
 118 struct kvm_fpu {
 119         __u8  fpr[8][16];
 120         __u16 fcw;
 121         __u16 fsw;
 122         __u8  ftwx;  /* in fxsave format */
 123         __u8  pad1;
 124         __u16 last_opcode;
 125         __u64 last_ip;
 126         __u64 last_dp;
 127         __u8  xmm[16][16];
 128         __u32 mxcsr;
 129         __u32 pad2;
 130 };
 131
 132 struct kvm_msr_entry {
 133         __u32 index;
 134         __u32 reserved;
 135         __u64 data;
 136 };
 137
 138 /* for KVM_GET_MSRS and KVM_SET_MSRS */
 139 struct kvm_msrs {
 140         __u32 nmsrs; /* number of msrs in entries */
 141         __u32 pad;
 142
 143         struct kvm_msr_entry entries[0];
 144 };
 145
 146 /* for KVM_GET_MSR_INDEX_LIST */
 147 struct kvm_msr_list {
 148         __u32 nmsrs; /* number of msrs in entries */
 149         __u32 indices[0];
 150 };
 151
 152
 153 struct kvm_cpuid_entry {
 154         __u32 function;
 155         __u32 eax;
 156         __u32 ebx;
 157         __u32 ecx;
 158         __u32 edx;
 159         __u32 padding;
 160 };
 161
 162 /* for KVM_SET_CPUID */
 163 struct kvm_cpuid {
 164         __u32 nent;
 165         __u32 padding;
 166         struct kvm_cpuid_entry entries[0];
 167 };
 168
 169 struct kvm_cpuid_entry2 {
 170         __u32 function;
 171         __u32 index;
 172         __u32 flags;
 173         __u32 eax;
 174         __u32 ebx;
 175         __u32 ecx;
 176         __u32 edx;
 177         __u32 padding[3];
 178 };
 179
 180 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
 181 #define KVM_CPUID_FLAG_STATEFUL_FUNC    2
 182 #define KVM_CPUID_FLAG_STATE_READ_NEXT  4
 183
 184 /* for KVM_SET_CPUID2 */
 185 struct kvm_cpuid2 {
 186         __u32 nent;
 187         __u32 padding;
 188         struct kvm_cpuid_entry2 entries[0];
 189 };
 190
 191 #endif