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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 | ||
ca821806 | 17 | #include <errno.h> |
1c14f162 | 18 | #include "config-host.h" |
1de7afc9 | 19 | #include "qemu/queue.h" |
504134d2 | 20 | #include "qom/cpu.h" |
4c663752 | 21 | #include "exec/memattrs.h" |
197e3524 | 22 | #include "hw/irq.h" |
05330448 | 23 | |
ca821806 MT |
24 | #ifdef CONFIG_KVM |
25 | #include <linux/kvm.h> | |
bc74b7db | 26 | #include <linux/kvm_para.h> |
9ca58923 EH |
27 | #else |
28 | /* These constants must never be used at runtime if kvm_enabled() is false. | |
29 | * They exist so we don't need #ifdefs around KVM-specific code that already | |
30 | * checks kvm_enabled() properly. | |
31 | */ | |
32 | #define KVM_CPUID_SIGNATURE 0 | |
33 | #define KVM_CPUID_FEATURES 0 | |
34 | #define KVM_FEATURE_CLOCKSOURCE 0 | |
35 | #define KVM_FEATURE_NOP_IO_DELAY 0 | |
36 | #define KVM_FEATURE_MMU_OP 0 | |
37 | #define KVM_FEATURE_CLOCKSOURCE2 0 | |
38 | #define KVM_FEATURE_ASYNC_PF 0 | |
39 | #define KVM_FEATURE_STEAL_TIME 0 | |
40 | #define KVM_FEATURE_PV_EOI 0 | |
d61a23ba | 41 | #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0 |
ca821806 | 42 | #endif |
05330448 | 43 | |
d5286af5 | 44 | extern bool kvm_allowed; |
3d4b2649 | 45 | extern bool kvm_kernel_irqchip; |
7ae26bd4 | 46 | extern bool kvm_async_interrupts_allowed; |
215e79c0 | 47 | extern bool kvm_halt_in_kernel_allowed; |
69e03ae6 | 48 | extern bool kvm_eventfds_allowed; |
cc7e0ddf | 49 | extern bool kvm_irqfds_allowed; |
f41389ae | 50 | extern bool kvm_resamplefds_allowed; |
614e41bc | 51 | extern bool kvm_msi_via_irqfd_allowed; |
f3e1bed8 | 52 | extern bool kvm_gsi_routing_allowed; |
76fe21de | 53 | extern bool kvm_gsi_direct_mapping; |
df9c8b75 | 54 | extern bool kvm_readonly_mem_allowed; |
50bf31b9 | 55 | extern bool kvm_direct_msi_allowed; |
35108223 | 56 | extern bool kvm_ioeventfd_any_length_allowed; |
98c8573e PB |
57 | |
58 | #if defined CONFIG_KVM || !defined NEED_CPU_H | |
3d4b2649 | 59 | #define kvm_enabled() (kvm_allowed) |
96fda35a PM |
60 | /** |
61 | * kvm_irqchip_in_kernel: | |
62 | * | |
63 | * Returns: true if the user asked us to create an in-kernel | |
64 | * irqchip via the "kernel_irqchip=on" machine option. | |
65 | * What this actually means is architecture and machine model | |
66 | * specific: on PC, for instance, it means that the LAPIC, | |
67 | * IOAPIC and PIT are all in kernel. This function should never | |
68 | * be used from generic target-independent code: use one of the | |
69 | * following functions or some other specific check instead. | |
70 | */ | |
3d4b2649 | 71 | #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) |
7ae26bd4 PM |
72 | |
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 | ||
05330448 | 163 | #else |
3d4b2649 JK |
164 | #define kvm_enabled() (0) |
165 | #define kvm_irqchip_in_kernel() (false) | |
7ae26bd4 | 166 | #define kvm_async_interrupts_enabled() (false) |
215e79c0 | 167 | #define kvm_halt_in_kernel() (false) |
69e03ae6 | 168 | #define kvm_eventfds_enabled() (false) |
cc7e0ddf | 169 | #define kvm_irqfds_enabled() (false) |
879904e8 | 170 | #define kvm_resamplefds_enabled() (false) |
614e41bc | 171 | #define kvm_msi_via_irqfd_enabled() (false) |
f3e1bed8 | 172 | #define kvm_gsi_routing_allowed() (false) |
76fe21de | 173 | #define kvm_gsi_direct_mapping() (false) |
df9c8b75 | 174 | #define kvm_readonly_mem_enabled() (false) |
50bf31b9 | 175 | #define kvm_direct_msi_enabled() (false) |
35108223 | 176 | #define kvm_ioeventfd_any_length_enabled() (false) |
05330448 AL |
177 | #endif |
178 | ||
179 | struct kvm_run; | |
680c1c6f | 180 | struct kvm_lapic_state; |
9e03a040 | 181 | struct kvm_irq_routing_entry; |
05330448 | 182 | |
94a8d39a JK |
183 | typedef struct KVMCapabilityInfo { |
184 | const char *name; | |
185 | int value; | |
186 | } KVMCapabilityInfo; | |
187 | ||
188 | #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } | |
189 | #define KVM_CAP_LAST_INFO { NULL, 0 } | |
190 | ||
92b4e489 JK |
191 | struct KVMState; |
192 | typedef struct KVMState KVMState; | |
193 | extern KVMState *kvm_state; | |
194 | ||
05330448 AL |
195 | /* external API */ |
196 | ||
b8865591 | 197 | bool kvm_has_free_slot(MachineState *ms); |
00a1555e PB |
198 | int kvm_has_sync_mmu(void); |
199 | int kvm_has_vcpu_events(void); | |
200 | int kvm_has_robust_singlestep(void); | |
ff44f1a3 | 201 | int kvm_has_debugregs(void); |
8a7c7393 | 202 | int kvm_has_pit_state2(void); |
d2f2b8a7 | 203 | int kvm_has_many_ioeventfds(void); |
84b058d7 | 204 | int kvm_has_gsi_routing(void); |
3ab73842 | 205 | int kvm_has_intx_set_mask(void); |
00a1555e | 206 | |
504134d2 | 207 | int kvm_init_vcpu(CPUState *cpu); |
1458c363 | 208 | int kvm_cpu_exec(CPUState *cpu); |
05330448 | 209 | |
504134d2 | 210 | #ifdef NEED_CPU_H |
05330448 | 211 | |
c4cfef5e | 212 | void kvm_setup_guest_memory(void *start, size_t size); |
62a2744c | 213 | void kvm_flush_coalesced_mmio_buffer(void); |
f65ed4c1 | 214 | |
62278814 | 215 | int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, |
e22a25c9 | 216 | target_ulong len, int type); |
62278814 | 217 | int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, |
e22a25c9 | 218 | target_ulong len, int type); |
1d5791f4 | 219 | void kvm_remove_all_breakpoints(CPUState *cpu); |
38e478ec | 220 | int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); |
20c20526 | 221 | #ifndef _WIN32 |
491d6e80 | 222 | int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); |
20c20526 | 223 | #endif |
e22a25c9 | 224 | |
290adf38 | 225 | int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); |
a1b87fe0 JK |
226 | int kvm_on_sigbus(int code, void *addr); |
227 | ||
88401cbc PB |
228 | /* interface with exec.c */ |
229 | ||
230 | void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align)); | |
231 | ||
05330448 AL |
232 | /* internal API */ |
233 | ||
984b5181 | 234 | int kvm_ioctl(KVMState *s, int type, ...); |
05330448 | 235 | |
984b5181 | 236 | int kvm_vm_ioctl(KVMState *s, int type, ...); |
05330448 | 237 | |
1bc22652 | 238 | int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); |
05330448 | 239 | |
0a6a7cca CD |
240 | /** |
241 | * kvm_device_ioctl - call an ioctl on a kvm device | |
242 | * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE | |
243 | * @type: The device-ctrl ioctl number | |
244 | * | |
245 | * Returns: -errno on error, nonnegative on success | |
246 | */ | |
247 | int kvm_device_ioctl(int fd, int type, ...); | |
248 | ||
d0a073a1 DD |
249 | /** |
250 | * kvm_vm_check_attr - check for existence of a specific vm attribute | |
251 | * @s: The KVMState pointer | |
252 | * @group: the group | |
253 | * @attr: the attribute of that group to query for | |
254 | * | |
255 | * Returns: 1 if the attribute exists | |
256 | * 0 if the attribute either does not exist or if the vm device | |
257 | * interface is unavailable | |
258 | */ | |
259 | int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); | |
260 | ||
4b3cfe72 PF |
261 | /** |
262 | * kvm_device_check_attr - check for existence of a specific device attribute | |
263 | * @fd: The device file descriptor | |
264 | * @group: the group | |
265 | * @attr: the attribute of that group to query for | |
266 | * | |
267 | * Returns: 1 if the attribute exists | |
268 | * 0 if the attribute either does not exist or if the vm device | |
269 | * interface is unavailable | |
270 | */ | |
271 | int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr); | |
272 | ||
273 | /** | |
274 | * kvm_device_access - set or get value of a specific vm attribute | |
275 | * @fd: The device file descriptor | |
276 | * @group: the group | |
277 | * @attr: the attribute of that group to set or get | |
278 | * @val: pointer to a storage area for the value | |
279 | * @write: true for set and false for get operation | |
280 | * | |
281 | * This function is not allowed to fail. Use kvm_device_check_attr() | |
282 | * in order to check for the availability of optional attributes. | |
283 | */ | |
284 | void kvm_device_access(int fd, int group, uint64_t attr, | |
285 | void *val, bool write); | |
286 | ||
0a6a7cca CD |
287 | /** |
288 | * kvm_create_device - create a KVM device for the device control API | |
289 | * @KVMState: The KVMState pointer | |
290 | * @type: The KVM device type (see Documentation/virtual/kvm/devices in the | |
291 | * kernel source) | |
292 | * @test: If true, only test if device can be created, but don't actually | |
293 | * create the device. | |
294 | * | |
295 | * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; | |
296 | */ | |
297 | int kvm_create_device(KVMState *s, uint64_t type, bool test); | |
298 | ||
299 | ||
05330448 AL |
300 | /* Arch specific hooks */ |
301 | ||
94a8d39a JK |
302 | extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; |
303 | ||
20d695a9 | 304 | void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); |
4c663752 | 305 | MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); |
05330448 | 306 | |
20d695a9 | 307 | int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); |
05330448 | 308 | |
20d695a9 | 309 | int kvm_arch_process_async_events(CPUState *cpu); |
0af691d7 | 310 | |
20d695a9 | 311 | int kvm_arch_get_registers(CPUState *cpu); |
05330448 | 312 | |
ea375f9a JK |
313 | /* state subset only touched by the VCPU itself during runtime */ |
314 | #define KVM_PUT_RUNTIME_STATE 1 | |
315 | /* state subset modified during VCPU reset */ | |
316 | #define KVM_PUT_RESET_STATE 2 | |
317 | /* full state set, modified during initialization or on vmload */ | |
318 | #define KVM_PUT_FULL_STATE 3 | |
319 | ||
20d695a9 | 320 | int kvm_arch_put_registers(CPUState *cpu, int level); |
05330448 | 321 | |
b16565b3 | 322 | int kvm_arch_init(MachineState *ms, KVMState *s); |
05330448 | 323 | |
20d695a9 | 324 | int kvm_arch_init_vcpu(CPUState *cpu); |
05330448 | 325 | |
b164e48e EH |
326 | /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ |
327 | unsigned long kvm_arch_vcpu_id(CPUState *cpu); | |
328 | ||
20d695a9 | 329 | int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); |
a1b87fe0 | 330 | int kvm_arch_on_sigbus(int code, void *addr); |
c0532a76 | 331 | |
84b058d7 JK |
332 | void kvm_arch_init_irq_routing(KVMState *s); |
333 | ||
9e03a040 | 334 | int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, |
dc9f06ca | 335 | uint64_t address, uint32_t data, PCIDevice *dev); |
9e03a040 | 336 | |
1850b6b7 EA |
337 | int kvm_arch_msi_data_to_gsi(uint32_t data); |
338 | ||
3889c3fa | 339 | int kvm_set_irq(KVMState *s, int irq, int level); |
04fa27f5 | 340 | int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); |
84b058d7 | 341 | |
1df186df | 342 | void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); |
cb925cf9 | 343 | void kvm_irqchip_commit_routes(KVMState *s); |
84b058d7 | 344 | |
680c1c6f JK |
345 | void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); |
346 | void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); | |
347 | ||
e22a25c9 AL |
348 | struct kvm_guest_debug; |
349 | struct kvm_debug_exit_arch; | |
350 | ||
351 | struct kvm_sw_breakpoint { | |
352 | target_ulong pc; | |
353 | target_ulong saved_insn; | |
354 | int use_count; | |
72cf2d4f | 355 | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
e22a25c9 AL |
356 | }; |
357 | ||
72cf2d4f | 358 | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
e22a25c9 | 359 | |
a60f24b5 | 360 | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, |
e22a25c9 AL |
361 | target_ulong pc); |
362 | ||
a60f24b5 | 363 | int kvm_sw_breakpoints_active(CPUState *cpu); |
e22a25c9 | 364 | |
80b7cd73 | 365 | int kvm_arch_insert_sw_breakpoint(CPUState *cpu, |
e22a25c9 | 366 | struct kvm_sw_breakpoint *bp); |
80b7cd73 | 367 | int kvm_arch_remove_sw_breakpoint(CPUState *cpu, |
e22a25c9 AL |
368 | struct kvm_sw_breakpoint *bp); |
369 | int kvm_arch_insert_hw_breakpoint(target_ulong addr, | |
370 | target_ulong len, int type); | |
371 | int kvm_arch_remove_hw_breakpoint(target_ulong addr, | |
372 | target_ulong len, int type); | |
373 | void kvm_arch_remove_all_hw_breakpoints(void); | |
374 | ||
20d695a9 | 375 | void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); |
e22a25c9 | 376 | |
20d695a9 | 377 | bool kvm_arch_stop_on_emulation_error(CPUState *cpu); |
4513d923 | 378 | |
ad7b8b33 AL |
379 | int kvm_check_extension(KVMState *s, unsigned int extension); |
380 | ||
7d0a07fa AG |
381 | int kvm_vm_check_extension(KVMState *s, unsigned int extension); |
382 | ||
40f1ee27 CH |
383 | #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ |
384 | ({ \ | |
385 | struct kvm_enable_cap cap = { \ | |
386 | .cap = capability, \ | |
387 | .flags = cap_flags, \ | |
388 | }; \ | |
389 | uint64_t args_tmp[] = { __VA_ARGS__ }; \ | |
390 | int i; \ | |
61c7bbd2 | 391 | for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ |
40f1ee27 CH |
392 | i < ARRAY_SIZE(cap.args); i++) { \ |
393 | cap.args[i] = args_tmp[i]; \ | |
394 | } \ | |
395 | kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ | |
396 | }) | |
397 | ||
398 | #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ | |
399 | ({ \ | |
400 | struct kvm_enable_cap cap = { \ | |
401 | .cap = capability, \ | |
402 | .flags = cap_flags, \ | |
403 | }; \ | |
404 | uint64_t args_tmp[] = { __VA_ARGS__ }; \ | |
405 | int i; \ | |
61c7bbd2 | 406 | for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ |
40f1ee27 CH |
407 | i < ARRAY_SIZE(cap.args); i++) { \ |
408 | cap.args[i] = args_tmp[i]; \ | |
409 | } \ | |
410 | kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ | |
411 | }) | |
412 | ||
ba9bc59e | 413 | uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, |
c958a8bd | 414 | uint32_t index, int reg); |
e22a25c9 | 415 | |
aed6efb9 JH |
416 | void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); |
417 | ||
13eed94e IM |
418 | #if !defined(CONFIG_USER_ONLY) |
419 | int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, | |
420 | hwaddr *phys_addr); | |
421 | #endif | |
422 | ||
423 | #endif /* NEED_CPU_H */ | |
424 | ||
97577fd4 | 425 | void kvm_cpu_synchronize_state(CPUState *cpu); |
13eed94e IM |
426 | void kvm_cpu_synchronize_post_reset(CPUState *cpu); |
427 | void kvm_cpu_synchronize_post_init(CPUState *cpu); | |
428 | ||
97577fd4 JH |
429 | /* generic hooks - to be moved/refactored once there are more users */ |
430 | ||
431 | static inline void cpu_synchronize_state(CPUState *cpu) | |
432 | { | |
433 | if (kvm_enabled()) { | |
434 | kvm_cpu_synchronize_state(cpu); | |
435 | } | |
436 | } | |
437 | ||
3f24a58f | 438 | static inline void cpu_synchronize_post_reset(CPUState *cpu) |
ea375f9a JK |
439 | { |
440 | if (kvm_enabled()) { | |
3f24a58f | 441 | kvm_cpu_synchronize_post_reset(cpu); |
ea375f9a JK |
442 | } |
443 | } | |
444 | ||
3f24a58f | 445 | static inline void cpu_synchronize_post_init(CPUState *cpu) |
ea375f9a JK |
446 | { |
447 | if (kvm_enabled()) { | |
3f24a58f | 448 | kvm_cpu_synchronize_post_init(cpu); |
ea375f9a JK |
449 | } |
450 | } | |
ca821806 | 451 | |
dc9f06ca PF |
452 | int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev); |
453 | int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, | |
454 | PCIDevice *dev); | |
1e2aa8be | 455 | void kvm_irqchip_release_virq(KVMState *s, int virq); |
39853bbc | 456 | |
d426d9fb | 457 | int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); |
977a8d9c | 458 | int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); |
d426d9fb | 459 | |
1c9b71a7 EA |
460 | int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, |
461 | EventNotifier *rn, int virq); | |
462 | int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, | |
463 | int virq); | |
197e3524 EA |
464 | int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, |
465 | EventNotifier *rn, qemu_irq irq); | |
466 | int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, | |
467 | qemu_irq irq); | |
468 | void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); | |
d8ee0384 JB |
469 | void kvm_pc_gsi_handler(void *opaque, int n, int level); |
470 | void kvm_pc_setup_irq_routing(bool pci_enabled); | |
7b774593 | 471 | void kvm_init_irq_routing(KVMState *s); |
d6032e06 CD |
472 | |
473 | /** | |
474 | * kvm_arch_irqchip_create: | |
475 | * @KVMState: The KVMState pointer | |
476 | * | |
477 | * Allow architectures to create an in-kernel irq chip themselves. | |
478 | * | |
479 | * Returns: < 0: error | |
480 | * 0: irq chip was not created | |
481 | * > 0: irq chip was created | |
482 | */ | |
483 | int kvm_arch_irqchip_create(KVMState *s); | |
ada4135f CH |
484 | |
485 | /** | |
486 | * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl | |
487 | * @id: The register ID | |
488 | * @source: The pointer to the value to be set. It must point to a variable | |
489 | * of the correct type/size for the register being accessed. | |
490 | * | |
491 | * Returns: 0 on success, or a negative errno on failure. | |
492 | */ | |
493 | int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); | |
494 | ||
495 | /** | |
496 | * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl | |
497 | * @id: The register ID | |
498 | * @target: The pointer where the value is to be stored. It must point to a | |
499 | * variable of the correct type/size for the register being accessed. | |
500 | * | |
501 | * Returns: 0 on success, or a negative errno on failure. | |
502 | */ | |
503 | int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); | |
05330448 | 504 | #endif |