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 192
