Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6-block.git] / arch / x86 / include / asm / kvm.h
CommitLineData
1965aae3
PA
1#ifndef _ASM_X86_KVM_H
2#define _ASM_X86_KVM_H
f6a40e3b
JY
3
4/*
5 * KVM x86 specific structures and definitions
6 *
7 */
8
cef37678 9#include <linux/types.h>
f6a40e3b
JY
10#include <linux/ioctl.h>
11
7a0eb196
AK
12/* Select x86 specific features in <linux/kvm.h> */
13#define __KVM_HAVE_PIT
14#define __KVM_HAVE_IOAPIC
15#define __KVM_HAVE_DEVICE_ASSIGNMENT
16#define __KVM_HAVE_MSI
17#define __KVM_HAVE_USER_NMI
91b2ae77 18#define __KVM_HAVE_GUEST_DEBUG
7a0eb196 19
244d57ec
JY
20/* Architectural interrupt line count. */
21#define KVM_NR_INTERRUPTS 256
22
f6a40e3b
JY
23struct kvm_memory_alias {
24 __u32 slot; /* this has a different namespace than memory slots */
25 __u32 flags;
26 __u64 guest_phys_addr;
27 __u64 memory_size;
28 __u64 target_phys_addr;
29};
30
da1386a5
JY
31/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
32struct kvm_pic_state {
33 __u8 last_irr; /* edge detection */
34 __u8 irr; /* interrupt request register */
35 __u8 imr; /* interrupt mask register */
36 __u8 isr; /* interrupt service register */
37 __u8 priority_add; /* highest irq priority */
38 __u8 irq_base;
39 __u8 read_reg_select;
40 __u8 poll;
41 __u8 special_mask;
42 __u8 init_state;
43 __u8 auto_eoi;
44 __u8 rotate_on_auto_eoi;
45 __u8 special_fully_nested_mode;
46 __u8 init4; /* true if 4 byte init */
47 __u8 elcr; /* PIIX edge/trigger selection */
48 __u8 elcr_mask;
49};
50
51#define KVM_IOAPIC_NUM_PINS 24
52struct kvm_ioapic_state {
53 __u64 base_address;
54 __u32 ioregsel;
55 __u32 id;
56 __u32 irr;
57 __u32 pad;
58 union {
59 __u64 bits;
60 struct {
61 __u8 vector;
62 __u8 delivery_mode:3;
63 __u8 dest_mode:1;
64 __u8 delivery_status:1;
65 __u8 polarity:1;
66 __u8 remote_irr:1;
67 __u8 trig_mode:1;
68 __u8 mask:1;
69 __u8 reserve:7;
70 __u8 reserved[4];
71 __u8 dest_id;
72 } fields;
73 } redirtbl[KVM_IOAPIC_NUM_PINS];
74};
75
76#define KVM_IRQCHIP_PIC_MASTER 0
77#define KVM_IRQCHIP_PIC_SLAVE 1
78#define KVM_IRQCHIP_IOAPIC 2
79
19d30b16
JY
80/* for KVM_GET_REGS and KVM_SET_REGS */
81struct kvm_regs {
82 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
83 __u64 rax, rbx, rcx, rdx;
84 __u64 rsi, rdi, rsp, rbp;
85 __u64 r8, r9, r10, r11;
86 __u64 r12, r13, r14, r15;
87 __u64 rip, rflags;
88};
89
d9ecf928
JY
90/* for KVM_GET_LAPIC and KVM_SET_LAPIC */
91#define KVM_APIC_REG_SIZE 0x400
92struct kvm_lapic_state {
93 char regs[KVM_APIC_REG_SIZE];
94};
95
3a56b201
JY
96struct kvm_segment {
97 __u64 base;
98 __u32 limit;
99 __u16 selector;
100 __u8 type;
101 __u8 present, dpl, db, s, l, g, avl;
102 __u8 unusable;
103 __u8 padding;
104};
105
106struct kvm_dtable {
107 __u64 base;
108 __u16 limit;
109 __u16 padding[3];
110};
111
112
244d57ec
JY
113/* for KVM_GET_SREGS and KVM_SET_SREGS */
114struct kvm_sregs {
115 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
116 struct kvm_segment cs, ds, es, fs, gs, ss;
117 struct kvm_segment tr, ldt;
118 struct kvm_dtable gdt, idt;
119 __u64 cr0, cr2, cr3, cr4, cr8;
120 __u64 efer;
121 __u64 apic_base;
122 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
123};
124
6f723c79
CE
125/* for KVM_GET_FPU and KVM_SET_FPU */
126struct kvm_fpu {
127 __u8 fpr[8][16];
128 __u16 fcw;
129 __u16 fsw;
130 __u8 ftwx; /* in fxsave format */
131 __u8 pad1;
132 __u16 last_opcode;
133 __u64 last_ip;
134 __u64 last_dp;
135 __u8 xmm[16][16];
136 __u32 mxcsr;
137 __u32 pad2;
138};
139
244d57ec
JY
140struct kvm_msr_entry {
141 __u32 index;
142 __u32 reserved;
143 __u64 data;
144};
145
146/* for KVM_GET_MSRS and KVM_SET_MSRS */
147struct kvm_msrs {
148 __u32 nmsrs; /* number of msrs in entries */
149 __u32 pad;
150
151 struct kvm_msr_entry entries[0];
152};
153
154/* for KVM_GET_MSR_INDEX_LIST */
155struct kvm_msr_list {
156 __u32 nmsrs; /* number of msrs in entries */
157 __u32 indices[0];
158};
159
160
a162dd58
JY
161struct kvm_cpuid_entry {
162 __u32 function;
163 __u32 eax;
164 __u32 ebx;
165 __u32 ecx;
166 __u32 edx;
167 __u32 padding;
168};
169
170/* for KVM_SET_CPUID */
171struct kvm_cpuid {
172 __u32 nent;
173 __u32 padding;
174 struct kvm_cpuid_entry entries[0];
175};
176
07716717
DK
177struct kvm_cpuid_entry2 {
178 __u32 function;
179 __u32 index;
180 __u32 flags;
181 __u32 eax;
182 __u32 ebx;
183 __u32 ecx;
184 __u32 edx;
185 __u32 padding[3];
186};
187
188#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
189#define KVM_CPUID_FLAG_STATEFUL_FUNC 2
190#define KVM_CPUID_FLAG_STATE_READ_NEXT 4
191
192/* for KVM_SET_CPUID2 */
193struct kvm_cpuid2 {
194 __u32 nent;
195 __u32 padding;
196 struct kvm_cpuid_entry2 entries[0];
197};
a162dd58 198
e0f63cb9
SY
199/* for KVM_GET_PIT and KVM_SET_PIT */
200struct kvm_pit_channel_state {
201 __u32 count; /* can be 65536 */
202 __u16 latched_count;
203 __u8 count_latched;
204 __u8 status_latched;
205 __u8 status;
206 __u8 read_state;
207 __u8 write_state;
208 __u8 write_latch;
209 __u8 rw_mode;
210 __u8 mode;
211 __u8 bcd;
212 __u8 gate;
213 __s64 count_load_time;
214};
215
d0bfb940
JK
216struct kvm_debug_exit_arch {
217 __u32 exception;
218 __u32 pad;
219 __u64 pc;
220 __u64 dr6;
221 __u64 dr7;
222};
223
224#define KVM_GUESTDBG_USE_SW_BP 0x00010000
225#define KVM_GUESTDBG_USE_HW_BP 0x00020000
226#define KVM_GUESTDBG_INJECT_DB 0x00040000
227#define KVM_GUESTDBG_INJECT_BP 0x00080000
228
229/* for KVM_SET_GUEST_DEBUG */
230struct kvm_guest_debug_arch {
231 __u64 debugreg[8];
232};
233
e0f63cb9
SY
234struct kvm_pit_state {
235 struct kvm_pit_channel_state channels[3];
236};
52d939a0
MT
237
238struct kvm_reinject_control {
239 __u8 pit_reinject;
240 __u8 reserved[31];
241};
1965aae3 242#endif /* _ASM_X86_KVM_H */