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
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