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05330448 AL |
1 | /* |
2 | * QEMU KVM support | |
3 | * | |
4 | * Copyright IBM, Corp. 2008 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
14 | #ifndef QEMU_KVM_H | |
15 | #define QEMU_KVM_H | |
16 | ||
1de7afc9 | 17 | #include "qemu/queue.h" |
504134d2 | 18 | #include "qom/cpu.h" |
4c663752 | 19 | #include "exec/memattrs.h" |
197e3524 | 20 | #include "hw/irq.h" |
05330448 | 21 | |
cbca3722 TH |
22 | #ifdef NEED_CPU_H |
23 | # ifdef CONFIG_KVM | |
24 | # include <linux/kvm.h> | |
cbca3722 TH |
25 | # define CONFIG_KVM_IS_POSSIBLE |
26 | # endif | |
27 | #else | |
28 | # define CONFIG_KVM_IS_POSSIBLE | |
ca821806 | 29 | #endif |
05330448 | 30 | |
cbca3722 TH |
31 | #ifdef CONFIG_KVM_IS_POSSIBLE |
32 | ||
d5286af5 | 33 | extern bool kvm_allowed; |
3d4b2649 | 34 | extern bool kvm_kernel_irqchip; |
32c18a2d | 35 | extern bool kvm_split_irqchip; |
7ae26bd4 | 36 | extern bool kvm_async_interrupts_allowed; |
215e79c0 | 37 | extern bool kvm_halt_in_kernel_allowed; |
69e03ae6 | 38 | extern bool kvm_eventfds_allowed; |
cc7e0ddf | 39 | extern bool kvm_irqfds_allowed; |
f41389ae | 40 | extern bool kvm_resamplefds_allowed; |
614e41bc | 41 | extern bool kvm_msi_via_irqfd_allowed; |
f3e1bed8 | 42 | extern bool kvm_gsi_routing_allowed; |
76fe21de | 43 | extern bool kvm_gsi_direct_mapping; |
df9c8b75 | 44 | extern bool kvm_readonly_mem_allowed; |
50bf31b9 | 45 | extern bool kvm_direct_msi_allowed; |
35108223 | 46 | extern bool kvm_ioeventfd_any_length_allowed; |
767a554a | 47 | extern bool kvm_msi_use_devid; |
98c8573e | 48 | |
3d4b2649 | 49 | #define kvm_enabled() (kvm_allowed) |
96fda35a PM |
50 | /** |
51 | * kvm_irqchip_in_kernel: | |
52 | * | |
53 | * Returns: true if the user asked us to create an in-kernel | |
54 | * irqchip via the "kernel_irqchip=on" machine option. | |
55 | * What this actually means is architecture and machine model | |
56 | * specific: on PC, for instance, it means that the LAPIC, | |
57 | * IOAPIC and PIT are all in kernel. This function should never | |
58 | * be used from generic target-independent code: use one of the | |
59 | * following functions or some other specific check instead. | |
60 | */ | |
3d4b2649 | 61 | #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) |
7ae26bd4 | 62 | |
32c18a2d MG |
63 | /** |
64 | * kvm_irqchip_is_split: | |
65 | * | |
66 | * Returns: true if the user asked us to split the irqchip | |
67 | * implementation between user and kernel space. The details are | |
68 | * architecture and machine specific. On PC, it means that the PIC, | |
69 | * IOAPIC, and PIT are in user space while the LAPIC is in the kernel. | |
70 | */ | |
71 | #define kvm_irqchip_is_split() (kvm_split_irqchip) | |
72 | ||
7ae26bd4 PM |
73 | /** |
74 | * kvm_async_interrupts_enabled: | |
75 | * | |
76 | * Returns: true if we can deliver interrupts to KVM | |
77 | * asynchronously (ie by ioctl from any thread at any time) | |
78 | * rather than having to do interrupt delivery synchronously | |
79 | * (where the vcpu must be stopped at a suitable point first). | |
80 | */ | |
81 | #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) | |
82 | ||
215e79c0 AG |
83 | /** |
84 | * kvm_halt_in_kernel | |
85 | * | |
86 | * Returns: true if halted cpus should still get a KVM_RUN ioctl to run | |
87 | * inside of kernel space. This only works if MP state is implemented. | |
88 | */ | |
89 | #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) | |
90 | ||
69e03ae6 NN |
91 | /** |
92 | * kvm_eventfds_enabled: | |
93 | * | |
94 | * Returns: true if we can use eventfds to receive notifications | |
95 | * from a KVM CPU (ie the kernel supports eventds and we are running | |
96 | * with a configuration where it is meaningful to use them). | |
97 | */ | |
98 | #define kvm_eventfds_enabled() (kvm_eventfds_allowed) | |
99 | ||
cc7e0ddf PM |
100 | /** |
101 | * kvm_irqfds_enabled: | |
102 | * | |
103 | * Returns: true if we can use irqfds to inject interrupts into | |
104 | * a KVM CPU (ie the kernel supports irqfds and we are running | |
105 | * with a configuration where it is meaningful to use them). | |
106 | */ | |
107 | #define kvm_irqfds_enabled() (kvm_irqfds_allowed) | |
108 | ||
f41389ae EA |
109 | /** |
110 | * kvm_resamplefds_enabled: | |
111 | * | |
112 | * Returns: true if we can use resamplefds to inject interrupts into | |
113 | * a KVM CPU (ie the kernel supports resamplefds and we are running | |
114 | * with a configuration where it is meaningful to use them). | |
115 | */ | |
116 | #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) | |
117 | ||
614e41bc PM |
118 | /** |
119 | * kvm_msi_via_irqfd_enabled: | |
120 | * | |
121 | * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) | |
122 | * to a KVM CPU via an irqfd. This requires that the kernel supports | |
123 | * this and that we're running in a configuration that permits it. | |
124 | */ | |
125 | #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) | |
126 | ||
f3e1bed8 PM |
127 | /** |
128 | * kvm_gsi_routing_enabled: | |
129 | * | |
130 | * Returns: true if GSI routing is enabled (ie the kernel supports | |
131 | * it and we're running in a configuration that permits it). | |
132 | */ | |
133 | #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) | |
134 | ||
76fe21de AK |
135 | /** |
136 | * kvm_gsi_direct_mapping: | |
137 | * | |
138 | * Returns: true if GSI direct mapping is enabled. | |
139 | */ | |
140 | #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) | |
141 | ||
df9c8b75 JJ |
142 | /** |
143 | * kvm_readonly_mem_enabled: | |
144 | * | |
145 | * Returns: true if KVM readonly memory is enabled (ie the kernel | |
146 | * supports it and we're running in a configuration that permits it). | |
147 | */ | |
148 | #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) | |
149 | ||
50bf31b9 PF |
150 | /** |
151 | * kvm_direct_msi_enabled: | |
152 | * | |
153 | * Returns: true if KVM allows direct MSI injection. | |
154 | */ | |
155 | #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed) | |
156 | ||
35108223 JW |
157 | /** |
158 | * kvm_ioeventfd_any_length_enabled: | |
159 | * Returns: true if KVM allows any length io eventfd. | |
160 | */ | |
161 | #define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) | |
162 | ||
767a554a PF |
163 | /** |
164 | * kvm_msi_devid_required: | |
165 | * Returns: true if KVM requires a device id to be provided while | |
166 | * defining an MSI routing entry. | |
167 | */ | |
168 | #define kvm_msi_devid_required() (kvm_msi_use_devid) | |
169 | ||
05330448 | 170 | #else |
cbca3722 | 171 | |
3d4b2649 JK |
172 | #define kvm_enabled() (0) |
173 | #define kvm_irqchip_in_kernel() (false) | |
15eafc2e | 174 | #define kvm_irqchip_is_split() (false) |
7ae26bd4 | 175 | #define kvm_async_interrupts_enabled() (false) |
215e79c0 | 176 | #define kvm_halt_in_kernel() (false) |
69e03ae6 | 177 | #define kvm_eventfds_enabled() (false) |
cc7e0ddf | 178 | #define kvm_irqfds_enabled() (false) |
879904e8 | 179 | #define kvm_resamplefds_enabled() (false) |
614e41bc | 180 | #define kvm_msi_via_irqfd_enabled() (false) |
f3e1bed8 | 181 | #define kvm_gsi_routing_allowed() (false) |
76fe21de | 182 | #define kvm_gsi_direct_mapping() (false) |
df9c8b75 | 183 | #define kvm_readonly_mem_enabled() (false) |
50bf31b9 | 184 | #define kvm_direct_msi_enabled() (false) |
35108223 | 185 | #define kvm_ioeventfd_any_length_enabled() (false) |
767a554a | 186 | #define kvm_msi_devid_required() (false) |
cbca3722 TH |
187 | |
188 | #endif /* CONFIG_KVM_IS_POSSIBLE */ | |
05330448 AL |
189 | |
190 | struct kvm_run; | |
680c1c6f | 191 | struct kvm_lapic_state; |
9e03a040 | 192 | struct kvm_irq_routing_entry; |
05330448 | 193 | |
94a8d39a JK |
194 | typedef struct KVMCapabilityInfo { |
195 | const char *name; | |
196 | int value; | |
197 | } KVMCapabilityInfo; | |
198 | ||
199 | #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } | |
200 | #define KVM_CAP_LAST_INFO { NULL, 0 } | |
201 | ||
92b4e489 JK |
202 | struct KVMState; |
203 | typedef struct KVMState KVMState; | |
204 | extern KVMState *kvm_state; | |
205 | ||
05330448 AL |
206 | /* external API */ |
207 | ||
b8865591 | 208 | bool kvm_has_free_slot(MachineState *ms); |
62dd4eda | 209 | bool kvm_has_sync_mmu(void); |
00a1555e PB |
210 | int kvm_has_vcpu_events(void); |
211 | int kvm_has_robust_singlestep(void); | |
ff44f1a3 | 212 | int kvm_has_debugregs(void); |
8a7c7393 | 213 | int kvm_has_pit_state2(void); |
d2f2b8a7 | 214 | int kvm_has_many_ioeventfds(void); |
84b058d7 | 215 | int kvm_has_gsi_routing(void); |
3ab73842 | 216 | int kvm_has_intx_set_mask(void); |
00a1555e | 217 | |
504134d2 | 218 | int kvm_init_vcpu(CPUState *cpu); |
1458c363 | 219 | int kvm_cpu_exec(CPUState *cpu); |
4c055ab5 | 220 | int kvm_destroy_vcpu(CPUState *cpu); |
05330448 | 221 | |
5d721b78 AG |
222 | /** |
223 | * kvm_arm_supports_user_irq | |
224 | * | |
225 | * Not all KVM implementations support notifications for kernel generated | |
226 | * interrupt events to user space. This function indicates whether the current | |
227 | * KVM implementation does support them. | |
228 | * | |
229 | * Returns: true if KVM supports using kernel generated IRQs from user space | |
230 | */ | |
231 | bool kvm_arm_supports_user_irq(void); | |
232 | ||
b20e3780 BS |
233 | /** |
234 | * kvm_memcrypt_enabled - return boolean indicating whether memory encryption | |
235 | * is enabled | |
236 | * Returns: 1 memory encryption is enabled | |
237 | * 0 memory encryption is disabled | |
238 | */ | |
239 | bool kvm_memcrypt_enabled(void); | |
240 | ||
54e89539 BS |
241 | /** |
242 | * kvm_memcrypt_encrypt_data: encrypt the memory range | |
243 | * | |
244 | * Return: 1 failed to encrypt the range | |
245 | * 0 succesfully encrypted memory region | |
246 | */ | |
247 | int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len); | |
248 | ||
b20e3780 | 249 | |
504134d2 | 250 | #ifdef NEED_CPU_H |
33c11879 | 251 | #include "cpu.h" |
05330448 | 252 | |
62a2744c | 253 | void kvm_flush_coalesced_mmio_buffer(void); |
f65ed4c1 | 254 | |
62278814 | 255 | int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, |
e22a25c9 | 256 | target_ulong len, int type); |
62278814 | 257 | int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, |
e22a25c9 | 258 | target_ulong len, int type); |
1d5791f4 | 259 | void kvm_remove_all_breakpoints(CPUState *cpu); |
38e478ec | 260 | int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); |
e22a25c9 | 261 | |
290adf38 | 262 | int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); |
a1b87fe0 JK |
263 | int kvm_on_sigbus(int code, void *addr); |
264 | ||
88401cbc PB |
265 | /* interface with exec.c */ |
266 | ||
06329cce | 267 | void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align, bool shared)); |
88401cbc | 268 | |
05330448 AL |
269 | /* internal API */ |
270 | ||
984b5181 | 271 | int kvm_ioctl(KVMState *s, int type, ...); |
05330448 | 272 | |
984b5181 | 273 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
05330448 | 274 | |
1bc22652 | 275 | int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); |
05330448 | 276 | |
0a6a7cca CD |
277 | /** |
278 | * kvm_device_ioctl - call an ioctl on a kvm device | |
279 | * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE | |
280 | * @type: The device-ctrl ioctl number | |
281 | * | |
282 | * Returns: -errno on error, nonnegative on success | |
283 | */ | |
284 | int kvm_device_ioctl(int fd, int type, ...); | |
285 | ||
d0a073a1 DD |
286 | /** |
287 | * kvm_vm_check_attr - check for existence of a specific vm attribute | |
288 | * @s: The KVMState pointer | |
289 | * @group: the group | |
290 | * @attr: the attribute of that group to query for | |
291 | * | |
292 | * Returns: 1 if the attribute exists | |
293 | * 0 if the attribute either does not exist or if the vm device | |
294 | * interface is unavailable | |
295 | */ | |
296 | int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); | |
297 | ||
4b3cfe72 PF |
298 | /** |
299 | * kvm_device_check_attr - check for existence of a specific device attribute | |
300 | * @fd: The device file descriptor | |
301 | * @group: the group | |
302 | * @attr: the attribute of that group to query for | |
303 | * | |
304 | * Returns: 1 if the attribute exists | |
305 | * 0 if the attribute either does not exist or if the vm device | |
306 | * interface is unavailable | |
307 | */ | |
308 | int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr); | |
309 | ||
310 | /** | |
311 | * kvm_device_access - set or get value of a specific vm attribute | |
312 | * @fd: The device file descriptor | |
313 | * @group: the group | |
314 | * @attr: the attribute of that group to set or get | |
315 | * @val: pointer to a storage area for the value | |
316 | * @write: true for set and false for get operation | |
556969e9 | 317 | * @errp: error object handle |
4b3cfe72 | 318 | * |
556969e9 EA |
319 | * Returns: 0 on success |
320 | * < 0 on error | |
321 | * Use kvm_device_check_attr() in order to check for the availability | |
322 | * of optional attributes. | |
4b3cfe72 | 323 | */ |
556969e9 EA |
324 | int kvm_device_access(int fd, int group, uint64_t attr, |
325 | void *val, bool write, Error **errp); | |
4b3cfe72 | 326 | |
0a6a7cca CD |
327 | /** |
328 | * kvm_create_device - create a KVM device for the device control API | |
329 | * @KVMState: The KVMState pointer | |
330 | * @type: The KVM device type (see Documentation/virtual/kvm/devices in the | |
331 | * kernel source) | |
332 | * @test: If true, only test if device can be created, but don't actually | |
333 | * create the device. | |
334 | * | |
335 | * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; | |
336 | */ | |
337 | int kvm_create_device(KVMState *s, uint64_t type, bool test); | |
338 | ||
29039acf PX |
339 | /** |
340 | * kvm_device_supported - probe whether KVM supports specific device | |
341 | * | |
342 | * @vmfd: The fd handler for VM | |
343 | * @type: type of device | |
344 | * | |
345 | * @return: true if supported, otherwise false. | |
346 | */ | |
347 | bool kvm_device_supported(int vmfd, uint64_t type); | |
0a6a7cca | 348 | |
05330448 AL |
349 | /* Arch specific hooks */ |
350 | ||
94a8d39a JK |
351 | extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; |
352 | ||
20d695a9 | 353 | void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); |
4c663752 | 354 | MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); |
05330448 | 355 | |
20d695a9 | 356 | int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); |
05330448 | 357 | |
20d695a9 | 358 | int kvm_arch_process_async_events(CPUState *cpu); |
0af691d7 | 359 | |
20d695a9 | 360 | int kvm_arch_get_registers(CPUState *cpu); |
05330448 | 361 | |
ea375f9a JK |
362 | /* state subset only touched by the VCPU itself during runtime */ |
363 | #define KVM_PUT_RUNTIME_STATE 1 | |
364 | /* state subset modified during VCPU reset */ | |
365 | #define KVM_PUT_RESET_STATE 2 | |
366 | /* full state set, modified during initialization or on vmload */ | |
367 | #define KVM_PUT_FULL_STATE 3 | |
368 | ||
20d695a9 | 369 | int kvm_arch_put_registers(CPUState *cpu, int level); |
05330448 | 370 | |
b16565b3 | 371 | int kvm_arch_init(MachineState *ms, KVMState *s); |
05330448 | 372 | |
20d695a9 | 373 | int kvm_arch_init_vcpu(CPUState *cpu); |
05330448 | 374 | |
41264b38 GK |
375 | bool kvm_vcpu_id_is_valid(int vcpu_id); |
376 | ||
b164e48e EH |
377 | /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ |
378 | unsigned long kvm_arch_vcpu_id(CPUState *cpu); | |
379 | ||
2ae41db2 PB |
380 | #ifdef TARGET_I386 |
381 | #define KVM_HAVE_MCE_INJECTION 1 | |
382 | void kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); | |
383 | #endif | |
c0532a76 | 384 | |
84b058d7 JK |
385 | void kvm_arch_init_irq_routing(KVMState *s); |
386 | ||
9e03a040 | 387 | int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, |
dc9f06ca | 388 | uint64_t address, uint32_t data, PCIDevice *dev); |
9e03a040 | 389 | |
38d87493 PX |
390 | /* Notify arch about newly added MSI routes */ |
391 | int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route, | |
392 | int vector, PCIDevice *dev); | |
393 | /* Notify arch about released MSI routes */ | |
394 | int kvm_arch_release_virq_post(int virq); | |
395 | ||
1850b6b7 EA |
396 | int kvm_arch_msi_data_to_gsi(uint32_t data); |
397 | ||
3889c3fa | 398 | int kvm_set_irq(KVMState *s, int irq, int level); |
04fa27f5 | 399 | int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); |
84b058d7 | 400 | |
1df186df | 401 | void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); |
84b058d7 | 402 | |
680c1c6f JK |
403 | void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); |
404 | ||
e22a25c9 AL |
405 | struct kvm_guest_debug; |
406 | struct kvm_debug_exit_arch; | |
407 | ||
408 | struct kvm_sw_breakpoint { | |
409 | target_ulong pc; | |
410 | target_ulong saved_insn; | |
411 | int use_count; | |
72cf2d4f | 412 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
e22a25c9 AL |
413 | }; |
414 | ||
a60f24b5 | 415 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, |
e22a25c9 AL |
416 | target_ulong pc); |
417 | ||
a60f24b5 | 418 | int kvm_sw_breakpoints_active(CPUState *cpu); |
e22a25c9 | 419 | |
80b7cd73 | 420 | int kvm_arch_insert_sw_breakpoint(CPUState *cpu, |
e22a25c9 | 421 | struct kvm_sw_breakpoint *bp); |
80b7cd73 | 422 | int kvm_arch_remove_sw_breakpoint(CPUState *cpu, |
e22a25c9 AL |
423 | struct kvm_sw_breakpoint *bp); |
424 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, | |
425 | target_ulong len, int type); | |
426 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, | |
427 | target_ulong len, int type); | |
428 | void kvm_arch_remove_all_hw_breakpoints(void); | |
429 | ||
20d695a9 | 430 | void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); |
e22a25c9 | 431 | |
20d695a9 | 432 | bool kvm_arch_stop_on_emulation_error(CPUState *cpu); |
4513d923 | 433 | |
ad7b8b33 AL |
434 | int kvm_check_extension(KVMState *s, unsigned int extension); |
435 | ||
7d0a07fa AG |
436 | int kvm_vm_check_extension(KVMState *s, unsigned int extension); |
437 | ||
40f1ee27 CH |
438 | #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ |
439 | ({ \ | |
440 | struct kvm_enable_cap cap = { \ | |
441 | .cap = capability, \ | |
442 | .flags = cap_flags, \ | |
443 | }; \ | |
444 | uint64_t args_tmp[] = { __VA_ARGS__ }; \ | |
1b7ac7ca GK |
445 | size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ |
446 | memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ | |
40f1ee27 CH |
447 | kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ |
448 | }) | |
449 | ||
450 | #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ | |
451 | ({ \ | |
452 | struct kvm_enable_cap cap = { \ | |
453 | .cap = capability, \ | |
454 | .flags = cap_flags, \ | |
455 | }; \ | |
456 | uint64_t args_tmp[] = { __VA_ARGS__ }; \ | |
1b7ac7ca GK |
457 | size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ |
458 | memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ | |
40f1ee27 CH |
459 | kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ |
460 | }) | |
461 | ||
ba9bc59e | 462 | uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, |
c958a8bd | 463 | uint32_t index, int reg); |
f57bceb6 RH |
464 | uint32_t kvm_arch_get_supported_msr_feature(KVMState *s, uint32_t index); |
465 | ||
e22a25c9 | 466 | |
aed6efb9 JH |
467 | void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); |
468 | ||
13eed94e IM |
469 | #if !defined(CONFIG_USER_ONLY) |
470 | int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, | |
471 | hwaddr *phys_addr); | |
472 | #endif | |
473 | ||
474 | #endif /* NEED_CPU_H */ | |
475 | ||
97577fd4 | 476 | void kvm_cpu_synchronize_state(CPUState *cpu); |
13eed94e IM |
477 | void kvm_cpu_synchronize_post_reset(CPUState *cpu); |
478 | void kvm_cpu_synchronize_post_init(CPUState *cpu); | |
75e972da | 479 | void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu); |
13eed94e | 480 | |
18268b60 PB |
481 | void kvm_init_cpu_signals(CPUState *cpu); |
482 | ||
d1f6af6a PX |
483 | /** |
484 | * kvm_irqchip_add_msi_route - Add MSI route for specific vector | |
485 | * @s: KVM state | |
486 | * @vector: which vector to add. This can be either MSI/MSIX | |
487 | * vector. The function will automatically detect whether | |
488 | * MSI/MSIX is enabled, and fetch corresponding MSI | |
489 | * message. | |
490 | * @dev: Owner PCI device to add the route. If @dev is specified | |
491 | * as @NULL, an empty MSI message will be inited. | |
492 | * @return: virq (>=0) when success, errno (<0) when failed. | |
493 | */ | |
494 | int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev); | |
dc9f06ca PF |
495 | int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, |
496 | PCIDevice *dev); | |
3f1fea0f | 497 | void kvm_irqchip_commit_routes(KVMState *s); |
1e2aa8be | 498 | void kvm_irqchip_release_virq(KVMState *s, int virq); |
39853bbc | 499 | |
d426d9fb | 500 | int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); |
977a8d9c | 501 | int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); |
d426d9fb | 502 | |
1c9b71a7 EA |
503 | int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, |
504 | EventNotifier *rn, int virq); | |
505 | int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, | |
506 | int virq); | |
197e3524 EA |
507 | int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, |
508 | EventNotifier *rn, qemu_irq irq); | |
509 | int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, | |
510 | qemu_irq irq); | |
511 | void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); | |
d8ee0384 JB |
512 | void kvm_pc_gsi_handler(void *opaque, int n, int level); |
513 | void kvm_pc_setup_irq_routing(bool pci_enabled); | |
7b774593 | 514 | void kvm_init_irq_routing(KVMState *s); |
d6032e06 CD |
515 | |
516 | /** | |
517 | * kvm_arch_irqchip_create: | |
518 | * @KVMState: The KVMState pointer | |
15eafc2e | 519 | * @MachineState: The MachineState pointer |
d6032e06 CD |
520 | * |
521 | * Allow architectures to create an in-kernel irq chip themselves. | |
522 | * | |
523 | * Returns: < 0: error | |
524 | * 0: irq chip was not created | |
525 | * > 0: irq chip was created | |
526 | */ | |
15eafc2e | 527 | int kvm_arch_irqchip_create(MachineState *ms, KVMState *s); |
ada4135f CH |
528 | |
529 | /** | |
530 | * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl | |
531 | * @id: The register ID | |
532 | * @source: The pointer to the value to be set. It must point to a variable | |
533 | * of the correct type/size for the register being accessed. | |
534 | * | |
535 | * Returns: 0 on success, or a negative errno on failure. | |
536 | */ | |
537 | int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); | |
538 | ||
539 | /** | |
540 | * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl | |
541 | * @id: The register ID | |
542 | * @target: The pointer where the value is to be stored. It must point to a | |
543 | * variable of the correct type/size for the register being accessed. | |
544 | * | |
545 | * Returns: 0 on success, or a negative errno on failure. | |
546 | */ | |
547 | int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); | |
c64abd1f | 548 | struct ppc_radix_page_info *kvm_get_radix_page_info(void); |
44f2e6c1 | 549 | int kvm_get_max_memslots(void); |
05330448 | 550 | #endif |