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6aa8b732 AK |
1 | #ifndef __LINUX_KVM_H |
2 | #define __LINUX_KVM_H | |
3 | ||
4 | /* | |
5 | * Userspace interface for /dev/kvm - kernel based virtual machine | |
6 | * | |
dea8caee | 7 | * Note: you must update KVM_API_VERSION if you change this interface. |
6aa8b732 AK |
8 | */ |
9 | ||
10 | #include <asm/types.h> | |
11 | #include <linux/ioctl.h> | |
f6a40e3b | 12 | #include <asm/kvm.h> |
6aa8b732 | 13 | |
2ff81f70 | 14 | #define KVM_API_VERSION 12 |
0b76e20b | 15 | |
6aa8b732 AK |
16 | /* for KVM_CREATE_MEMORY_REGION */ |
17 | struct kvm_memory_region { | |
18 | __u32 slot; | |
19 | __u32 flags; | |
20 | __u64 guest_phys_addr; | |
21 | __u64 memory_size; /* bytes */ | |
22 | }; | |
23 | ||
6fc138d2 IE |
24 | /* for KVM_SET_USER_MEMORY_REGION */ |
25 | struct kvm_userspace_memory_region { | |
26 | __u32 slot; | |
27 | __u32 flags; | |
28 | __u64 guest_phys_addr; | |
29 | __u64 memory_size; /* bytes */ | |
30 | __u64 userspace_addr; /* start of the userspace allocated memory */ | |
31 | }; | |
32 | ||
6aa8b732 AK |
33 | /* for kvm_memory_region::flags */ |
34 | #define KVM_MEM_LOG_DIRTY_PAGES 1UL | |
35 | ||
36 | ||
97222cc8 | 37 | /* for KVM_IRQ_LINE */ |
85f455f7 ED |
38 | struct kvm_irq_level { |
39 | /* | |
40 | * ACPI gsi notion of irq. | |
41 | * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47.. | |
42 | * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23.. | |
43 | */ | |
44 | __u32 irq; | |
45 | __u32 level; | |
46 | }; | |
47 | ||
6ceb9d79 HQ |
48 | |
49 | struct kvm_irqchip { | |
50 | __u32 chip_id; | |
51 | __u32 pad; | |
52 | union { | |
53 | char dummy[512]; /* reserving space */ | |
51e29625 | 54 | #ifdef CONFIG_X86 |
6ceb9d79 | 55 | struct kvm_pic_state pic; |
ec10f475 ZX |
56 | #endif |
57 | #if defined(CONFIG_X86) || defined(CONFIG_IA64) | |
6bf9e962 | 58 | struct kvm_ioapic_state ioapic; |
51e29625 | 59 | #endif |
6ceb9d79 HQ |
60 | } chip; |
61 | }; | |
62 | ||
8a45450d AK |
63 | #define KVM_EXIT_UNKNOWN 0 |
64 | #define KVM_EXIT_EXCEPTION 1 | |
65 | #define KVM_EXIT_IO 2 | |
66 | #define KVM_EXIT_HYPERCALL 3 | |
67 | #define KVM_EXIT_DEBUG 4 | |
68 | #define KVM_EXIT_HLT 5 | |
69 | #define KVM_EXIT_MMIO 6 | |
70 | #define KVM_EXIT_IRQ_WINDOW_OPEN 7 | |
71 | #define KVM_EXIT_SHUTDOWN 8 | |
72 | #define KVM_EXIT_FAIL_ENTRY 9 | |
73 | #define KVM_EXIT_INTR 10 | |
74 | #define KVM_EXIT_SET_TPR 11 | |
b209749f | 75 | #define KVM_EXIT_TPR_ACCESS 12 |
6aa8b732 | 76 | |
9a2bb7f4 | 77 | /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ |
6aa8b732 AK |
78 | struct kvm_run { |
79 | /* in */ | |
c1150d8c | 80 | __u8 request_interrupt_window; |
02c83209 | 81 | __u8 padding1[7]; |
6aa8b732 AK |
82 | |
83 | /* out */ | |
6aa8b732 | 84 | __u32 exit_reason; |
c1150d8c DL |
85 | __u8 ready_for_interrupt_injection; |
86 | __u8 if_flag; | |
2ff81f70 | 87 | __u8 padding2[2]; |
54810342 DL |
88 | |
89 | /* in (pre_kvm_run), out (post_kvm_run) */ | |
c1150d8c DL |
90 | __u64 cr8; |
91 | __u64 apic_base; | |
92 | ||
6aa8b732 AK |
93 | union { |
94 | /* KVM_EXIT_UNKNOWN */ | |
95 | struct { | |
8eb7d334 | 96 | __u64 hardware_exit_reason; |
6aa8b732 | 97 | } hw; |
8eb7d334 AK |
98 | /* KVM_EXIT_FAIL_ENTRY */ |
99 | struct { | |
100 | __u64 hardware_entry_failure_reason; | |
101 | } fail_entry; | |
6aa8b732 AK |
102 | /* KVM_EXIT_EXCEPTION */ |
103 | struct { | |
104 | __u32 exception; | |
105 | __u32 error_code; | |
106 | } ex; | |
107 | /* KVM_EXIT_IO */ | |
46fc1477 | 108 | struct kvm_io { |
6aa8b732 AK |
109 | #define KVM_EXIT_IO_IN 0 |
110 | #define KVM_EXIT_IO_OUT 1 | |
111 | __u8 direction; | |
112 | __u8 size; /* bytes */ | |
6aa8b732 | 113 | __u16 port; |
039576c0 AK |
114 | __u32 count; |
115 | __u64 data_offset; /* relative to kvm_run start */ | |
6aa8b732 AK |
116 | } io; |
117 | struct { | |
118 | } debug; | |
119 | /* KVM_EXIT_MMIO */ | |
120 | struct { | |
121 | __u64 phys_addr; | |
122 | __u8 data[8]; | |
123 | __u32 len; | |
124 | __u8 is_write; | |
125 | } mmio; | |
b4e63f56 AK |
126 | /* KVM_EXIT_HYPERCALL */ |
127 | struct { | |
519ef353 | 128 | __u64 nr; |
b4e63f56 AK |
129 | __u64 args[6]; |
130 | __u64 ret; | |
131 | __u32 longmode; | |
132 | __u32 pad; | |
133 | } hypercall; | |
b209749f AK |
134 | /* KVM_EXIT_TPR_ACCESS */ |
135 | struct { | |
136 | __u64 rip; | |
137 | __u32 is_write; | |
138 | __u32 pad; | |
139 | } tpr_access; | |
24cbc7e9 AK |
140 | /* Fix the size of the union. */ |
141 | char padding[256]; | |
6aa8b732 AK |
142 | }; |
143 | }; | |
144 | ||
6aa8b732 AK |
145 | /* for KVM_TRANSLATE */ |
146 | struct kvm_translation { | |
147 | /* in */ | |
148 | __u64 linear_address; | |
6aa8b732 AK |
149 | |
150 | /* out */ | |
151 | __u64 physical_address; | |
152 | __u8 valid; | |
153 | __u8 writeable; | |
154 | __u8 usermode; | |
8cd13307 | 155 | __u8 pad[5]; |
6aa8b732 AK |
156 | }; |
157 | ||
158 | /* for KVM_INTERRUPT */ | |
159 | struct kvm_interrupt { | |
160 | /* in */ | |
6aa8b732 AK |
161 | __u32 irq; |
162 | }; | |
163 | ||
164 | struct kvm_breakpoint { | |
165 | __u32 enabled; | |
166 | __u32 padding; | |
167 | __u64 address; | |
168 | }; | |
169 | ||
170 | /* for KVM_DEBUG_GUEST */ | |
171 | struct kvm_debug_guest { | |
172 | /* int */ | |
6aa8b732 | 173 | __u32 enabled; |
bccf2150 | 174 | __u32 pad; |
6aa8b732 AK |
175 | struct kvm_breakpoint breakpoints[4]; |
176 | __u32 singlestep; | |
177 | }; | |
178 | ||
179 | /* for KVM_GET_DIRTY_LOG */ | |
180 | struct kvm_dirty_log { | |
181 | __u32 slot; | |
182 | __u32 padding; | |
183 | union { | |
184 | void __user *dirty_bitmap; /* one bit per page */ | |
185 | __u64 padding; | |
186 | }; | |
187 | }; | |
188 | ||
1961d276 AK |
189 | /* for KVM_SET_SIGNAL_MASK */ |
190 | struct kvm_signal_mask { | |
191 | __u32 len; | |
192 | __u8 sigset[0]; | |
193 | }; | |
194 | ||
b209749f AK |
195 | /* for KVM_TPR_ACCESS_REPORTING */ |
196 | struct kvm_tpr_access_ctl { | |
197 | __u32 enabled; | |
198 | __u32 flags; | |
199 | __u32 reserved[8]; | |
200 | }; | |
201 | ||
b93463aa AK |
202 | /* for KVM_SET_VAPIC_ADDR */ |
203 | struct kvm_vapic_addr { | |
204 | __u64 vapic_addr; | |
205 | }; | |
206 | ||
6aa8b732 AK |
207 | #define KVMIO 0xAE |
208 | ||
f17abe9a AK |
209 | /* |
210 | * ioctls for /dev/kvm fds: | |
211 | */ | |
739872c5 AK |
212 | #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) |
213 | #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */ | |
214 | #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list) | |
5d308f45 AK |
215 | /* |
216 | * Check if a kvm extension is available. Argument is extension number, | |
217 | * return is 1 (yes) or 0 (no, sorry). | |
218 | */ | |
219 | #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03) | |
07c45a36 AK |
220 | /* |
221 | * Get size for mmap(vcpu_fd) | |
222 | */ | |
223 | #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */ | |
674eea0f | 224 | #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2) |
f17abe9a | 225 | |
85f455f7 ED |
226 | /* |
227 | * Extension capability list. | |
228 | */ | |
229 | #define KVM_CAP_IRQCHIP 0 | |
b6958ce4 | 230 | #define KVM_CAP_HLT 1 |
82ce2c96 | 231 | #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2 |
6fc138d2 | 232 | #define KVM_CAP_USER_MEMORY 3 |
cbc94022 | 233 | #define KVM_CAP_SET_TSS_ADDR 4 |
b209749f | 234 | #define KVM_CAP_VAPIC 6 |
674eea0f | 235 | #define KVM_CAP_EXT_CPUID 7 |
18068523 | 236 | #define KVM_CAP_CLOCKSOURCE 8 |
85f455f7 | 237 | |
f17abe9a AK |
238 | /* |
239 | * ioctls for VM fds | |
240 | */ | |
739872c5 | 241 | #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region) |
82ce2c96 IE |
242 | #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44) |
243 | #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) | |
6fc138d2 IE |
244 | #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\ |
245 | struct kvm_userspace_memory_region) | |
cbc94022 | 246 | #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47) |
bccf2150 AK |
247 | /* |
248 | * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns | |
249 | * a vcpu fd. | |
250 | */ | |
739872c5 AK |
251 | #define KVM_CREATE_VCPU _IO(KVMIO, 0x41) |
252 | #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log) | |
e8207547 | 253 | #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias) |
85f455f7 ED |
254 | /* Device model IOC */ |
255 | #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60) | |
97222cc8 | 256 | #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level) |
6ceb9d79 HQ |
257 | #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip) |
258 | #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip) | |
bccf2150 AK |
259 | |
260 | /* | |
261 | * ioctls for vcpu fds | |
262 | */ | |
739872c5 AK |
263 | #define KVM_RUN _IO(KVMIO, 0x80) |
264 | #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs) | |
265 | #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs) | |
266 | #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs) | |
267 | #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs) | |
268 | #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation) | |
269 | #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt) | |
270 | #define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest) | |
271 | #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs) | |
272 | #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs) | |
273 | #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid) | |
1961d276 | 274 | #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask) |
b8836737 AK |
275 | #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu) |
276 | #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu) | |
96ad2cc6 ED |
277 | #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state) |
278 | #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state) | |
07716717 DK |
279 | #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2) |
280 | #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2) | |
b209749f AK |
281 | /* Available with KVM_CAP_VAPIC */ |
282 | #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl) | |
b93463aa AK |
283 | /* Available with KVM_CAP_VAPIC */ |
284 | #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr) | |
6aa8b732 AK |
285 | |
286 | #endif |