Commit | Line | Data |
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6aa8b732 AK |
1 | #ifndef __KVM_H |
2 | #define __KVM_H | |
3 | ||
4 | /* | |
5 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
6 | * the COPYING file in the top-level directory. | |
7 | */ | |
8 | ||
9 | #include <linux/types.h> | |
e56a7a28 | 10 | #include <linux/hardirq.h> |
6aa8b732 AK |
11 | #include <linux/list.h> |
12 | #include <linux/mutex.h> | |
13 | #include <linux/spinlock.h> | |
06ff0d37 MR |
14 | #include <linux/signal.h> |
15 | #include <linux/sched.h> | |
6aa8b732 | 16 | #include <linux/mm.h> |
15ad7146 | 17 | #include <linux/preempt.h> |
e8edc6e0 | 18 | #include <asm/signal.h> |
6aa8b732 | 19 | |
6aa8b732 | 20 | #include <linux/kvm.h> |
102d8325 | 21 | #include <linux/kvm_para.h> |
6aa8b732 | 22 | |
ef9254df | 23 | #define KVM_MAX_VCPUS 4 |
e8207547 | 24 | #define KVM_ALIAS_SLOTS 4 |
2e2c618d | 25 | #define KVM_MEMORY_SLOTS 8 |
e0d62c7f IE |
26 | /* memory slots that does not exposed to userspace */ |
27 | #define KVM_PRIVATE_MEM_SLOTS 4 | |
82ce2c96 IE |
28 | #define KVM_PERMILLE_MMU_PAGES 20 |
29 | #define KVM_MIN_ALLOC_MMU_PAGES 64 | |
7494c0cc | 30 | #define KVM_NUM_MMU_PAGES 1024 |
ebeace86 AK |
31 | #define KVM_MIN_FREE_MMU_PAGES 5 |
32 | #define KVM_REFILL_PAGES 25 | |
06465c5a | 33 | #define KVM_MAX_CPUID_ENTRIES 40 |
6aa8b732 | 34 | |
039576c0 AK |
35 | #define KVM_PIO_PAGE_OFFSET 1 |
36 | ||
d9e368d6 AK |
37 | /* |
38 | * vcpu->requests bit members | |
39 | */ | |
3176bc3e | 40 | #define KVM_REQ_TLB_FLUSH 0 |
d9e368d6 | 41 | |
6aa8b732 AK |
42 | /* |
43 | * Address types: | |
44 | * | |
45 | * gva - guest virtual address | |
46 | * gpa - guest physical address | |
47 | * gfn - guest frame number | |
48 | * hva - host virtual address | |
49 | * hpa - host physical address | |
50 | * hfn - host frame number | |
51 | */ | |
52 | ||
53 | typedef unsigned long gva_t; | |
54 | typedef u64 gpa_t; | |
55 | typedef unsigned long gfn_t; | |
56 | ||
57 | typedef unsigned long hva_t; | |
58 | typedef u64 hpa_t; | |
59 | typedef unsigned long hfn_t; | |
60 | ||
cea0f0e7 AK |
61 | #define NR_PTE_CHAIN_ENTRIES 5 |
62 | ||
63 | struct kvm_pte_chain { | |
64 | u64 *parent_ptes[NR_PTE_CHAIN_ENTRIES]; | |
65 | struct hlist_node link; | |
66 | }; | |
67 | ||
68 | /* | |
69 | * kvm_mmu_page_role, below, is defined as: | |
70 | * | |
71 | * bits 0:3 - total guest paging levels (2-4, or zero for real mode) | |
72 | * bits 4:7 - page table level for this shadow (1-4) | |
73 | * bits 8:9 - page table quadrant for 2-level guests | |
74 | * bit 16 - "metaphysical" - gfn is not a real page (huge page/real mode) | |
d55e2cb2 | 75 | * bits 17:19 - "access" - the user, writable, and nx bits of a huge page pde |
cea0f0e7 AK |
76 | */ |
77 | union kvm_mmu_page_role { | |
78 | unsigned word; | |
79 | struct { | |
80 | unsigned glevels : 4; | |
81 | unsigned level : 4; | |
82 | unsigned quadrant : 2; | |
83 | unsigned pad_for_nice_hex_output : 6; | |
84 | unsigned metaphysical : 1; | |
d55e2cb2 | 85 | unsigned hugepage_access : 3; |
cea0f0e7 AK |
86 | }; |
87 | }; | |
88 | ||
6aa8b732 AK |
89 | struct kvm_mmu_page { |
90 | struct list_head link; | |
cea0f0e7 AK |
91 | struct hlist_node hash_link; |
92 | ||
93 | /* | |
94 | * The following two entries are used to key the shadow page in the | |
95 | * hash table. | |
96 | */ | |
97 | gfn_t gfn; | |
98 | union kvm_mmu_page_role role; | |
99 | ||
47ad8e68 | 100 | u64 *spt; |
290fc38d IE |
101 | /* hold the gfn of each spte inside spt */ |
102 | gfn_t *gfns; | |
6aa8b732 AK |
103 | unsigned long slot_bitmap; /* One bit set per slot which has memory |
104 | * in this shadow page. | |
105 | */ | |
cea0f0e7 | 106 | int multimapped; /* More than one parent_pte? */ |
3bb65a22 | 107 | int root_count; /* Currently serving as active root */ |
cea0f0e7 AK |
108 | union { |
109 | u64 *parent_pte; /* !multimapped */ | |
110 | struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */ | |
111 | }; | |
6aa8b732 AK |
112 | }; |
113 | ||
6aa8b732 | 114 | struct kvm_vcpu; |
c16f862d | 115 | extern struct kmem_cache *kvm_vcpu_cache; |
6aa8b732 AK |
116 | |
117 | /* | |
118 | * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level | |
119 | * 32-bit). The kvm_mmu structure abstracts the details of the current mmu | |
120 | * mode. | |
121 | */ | |
122 | struct kvm_mmu { | |
123 | void (*new_cr3)(struct kvm_vcpu *vcpu); | |
124 | int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err); | |
6aa8b732 AK |
125 | void (*free)(struct kvm_vcpu *vcpu); |
126 | gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva); | |
c7addb90 AK |
127 | void (*prefetch_page)(struct kvm_vcpu *vcpu, |
128 | struct kvm_mmu_page *page); | |
6aa8b732 AK |
129 | hpa_t root_hpa; |
130 | int root_level; | |
131 | int shadow_root_level; | |
17ac10ad AK |
132 | |
133 | u64 *pae_root; | |
6aa8b732 AK |
134 | }; |
135 | ||
290fc38d | 136 | #define KVM_NR_MEM_OBJS 40 |
714b93da | 137 | |
7faa8f6f HB |
138 | /* |
139 | * We don't want allocation failures within the mmu code, so we preallocate | |
140 | * enough memory for a single page fault in a cache. | |
141 | */ | |
714b93da AK |
142 | struct kvm_mmu_memory_cache { |
143 | int nobjs; | |
144 | void *objects[KVM_NR_MEM_OBJS]; | |
145 | }; | |
146 | ||
6aa8b732 AK |
147 | struct kvm_guest_debug { |
148 | int enabled; | |
149 | unsigned long bp[4]; | |
150 | int singlestep; | |
151 | }; | |
152 | ||
039576c0 AK |
153 | struct kvm_pio_request { |
154 | unsigned long count; | |
155 | int cur_count; | |
156 | struct page *guest_pages[2]; | |
157 | unsigned guest_page_offset; | |
158 | int in; | |
74906345 | 159 | int port; |
039576c0 AK |
160 | int size; |
161 | int string; | |
162 | int down; | |
163 | int rep; | |
164 | }; | |
165 | ||
ba1389b7 | 166 | struct kvm_vcpu_stat { |
1165f5fe AK |
167 | u32 pf_fixed; |
168 | u32 pf_guest; | |
169 | u32 tlb_flush; | |
170 | u32 invlpg; | |
171 | ||
172 | u32 exits; | |
173 | u32 io_exits; | |
174 | u32 mmio_exits; | |
175 | u32 signal_exits; | |
176 | u32 irq_window_exits; | |
177 | u32 halt_exits; | |
b6958ce4 | 178 | u32 halt_wakeup; |
1165f5fe AK |
179 | u32 request_irq_exits; |
180 | u32 irq_exits; | |
e1beb1d3 | 181 | u32 host_state_reload; |
2cc51560 | 182 | u32 efer_reload; |
f096ed85 | 183 | u32 fpu_reload; |
f2b5756b AK |
184 | u32 insn_emulation; |
185 | u32 insn_emulation_fail; | |
1165f5fe AK |
186 | }; |
187 | ||
2eeb2e94 GH |
188 | struct kvm_io_device { |
189 | void (*read)(struct kvm_io_device *this, | |
190 | gpa_t addr, | |
191 | int len, | |
192 | void *val); | |
193 | void (*write)(struct kvm_io_device *this, | |
194 | gpa_t addr, | |
195 | int len, | |
196 | const void *val); | |
197 | int (*in_range)(struct kvm_io_device *this, gpa_t addr); | |
198 | void (*destructor)(struct kvm_io_device *this); | |
199 | ||
200 | void *private; | |
201 | }; | |
202 | ||
203 | static inline void kvm_iodevice_read(struct kvm_io_device *dev, | |
204 | gpa_t addr, | |
205 | int len, | |
206 | void *val) | |
207 | { | |
208 | dev->read(dev, addr, len, val); | |
209 | } | |
210 | ||
211 | static inline void kvm_iodevice_write(struct kvm_io_device *dev, | |
212 | gpa_t addr, | |
213 | int len, | |
214 | const void *val) | |
215 | { | |
216 | dev->write(dev, addr, len, val); | |
217 | } | |
218 | ||
219 | static inline int kvm_iodevice_inrange(struct kvm_io_device *dev, gpa_t addr) | |
220 | { | |
221 | return dev->in_range(dev, addr); | |
222 | } | |
223 | ||
224 | static inline void kvm_iodevice_destructor(struct kvm_io_device *dev) | |
225 | { | |
74906345 ED |
226 | if (dev->destructor) |
227 | dev->destructor(dev); | |
2eeb2e94 GH |
228 | } |
229 | ||
230 | /* | |
231 | * It would be nice to use something smarter than a linear search, TBD... | |
232 | * Thankfully we dont expect many devices to register (famous last words :), | |
233 | * so until then it will suffice. At least its abstracted so we can change | |
234 | * in one place. | |
235 | */ | |
236 | struct kvm_io_bus { | |
237 | int dev_count; | |
238 | #define NR_IOBUS_DEVS 6 | |
239 | struct kvm_io_device *devs[NR_IOBUS_DEVS]; | |
240 | }; | |
241 | ||
242 | void kvm_io_bus_init(struct kvm_io_bus *bus); | |
243 | void kvm_io_bus_destroy(struct kvm_io_bus *bus); | |
244 | struct kvm_io_device *kvm_io_bus_find_dev(struct kvm_io_bus *bus, gpa_t addr); | |
245 | void kvm_io_bus_register_dev(struct kvm_io_bus *bus, | |
246 | struct kvm_io_device *dev); | |
247 | ||
34c16eec ZX |
248 | #ifdef CONFIG_HAS_IOMEM |
249 | #define KVM_VCPU_MMIO \ | |
250 | int mmio_needed; \ | |
251 | int mmio_read_completed; \ | |
252 | int mmio_is_write; \ | |
253 | int mmio_size; \ | |
254 | unsigned char mmio_data[8]; \ | |
6aa8b732 AK |
255 | gpa_t mmio_phys_addr; |
256 | ||
34c16eec ZX |
257 | #else |
258 | #define KVM_VCPU_MMIO | |
1961d276 | 259 | |
34c16eec | 260 | #endif |
1165f5fe | 261 | |
34c16eec ZX |
262 | #define KVM_VCPU_COMM \ |
263 | struct kvm *kvm; \ | |
264 | struct preempt_notifier preempt_notifier; \ | |
265 | int vcpu_id; \ | |
266 | struct mutex mutex; \ | |
267 | int cpu; \ | |
268 | struct kvm_run *run; \ | |
269 | int guest_mode; \ | |
270 | unsigned long requests; \ | |
271 | struct kvm_guest_debug guest_debug; \ | |
272 | int fpu_active; \ | |
273 | int guest_fpu_loaded; \ | |
274 | wait_queue_head_t wq; \ | |
275 | int sigset_active; \ | |
276 | sigset_t sigset; \ | |
ba1389b7 | 277 | struct kvm_vcpu_stat stat; \ |
34c16eec | 278 | KVM_VCPU_MMIO |
6aa8b732 | 279 | |
e8207547 AK |
280 | struct kvm_mem_alias { |
281 | gfn_t base_gfn; | |
282 | unsigned long npages; | |
283 | gfn_t target_gfn; | |
284 | }; | |
285 | ||
6aa8b732 AK |
286 | struct kvm_memory_slot { |
287 | gfn_t base_gfn; | |
288 | unsigned long npages; | |
289 | unsigned long flags; | |
290fc38d | 290 | unsigned long *rmap; |
6aa8b732 | 291 | unsigned long *dirty_bitmap; |
8a7ae055 | 292 | unsigned long userspace_addr; |
80b14b5b | 293 | int user_alloc; |
6aa8b732 AK |
294 | }; |
295 | ||
ba1389b7 | 296 | struct kvm_vm_stat { |
4cee5764 AK |
297 | u32 mmu_shadow_zapped; |
298 | u32 mmu_pte_write; | |
299 | u32 mmu_pte_updated; | |
300 | u32 mmu_pde_zapped; | |
301 | u32 mmu_flooded; | |
302 | u32 mmu_recycled; | |
ba1389b7 AK |
303 | }; |
304 | ||
6aa8b732 | 305 | struct kvm { |
11ec2804 | 306 | struct mutex lock; /* protects everything except vcpus */ |
e8207547 AK |
307 | int naliases; |
308 | struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; | |
6aa8b732 | 309 | int nmemslots; |
e0d62c7f IE |
310 | struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS + |
311 | KVM_PRIVATE_MEM_SLOTS]; | |
cea0f0e7 AK |
312 | /* |
313 | * Hash table of struct kvm_mmu_page. | |
314 | */ | |
6aa8b732 | 315 | struct list_head active_mmu_pages; |
82ce2c96 IE |
316 | unsigned int n_free_mmu_pages; |
317 | unsigned int n_requested_mmu_pages; | |
318 | unsigned int n_alloc_mmu_pages; | |
cea0f0e7 | 319 | struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; |
fb3f0f51 | 320 | struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; |
133de902 | 321 | struct list_head vm_list; |
bccf2150 | 322 | struct file *filp; |
2eeb2e94 | 323 | struct kvm_io_bus mmio_bus; |
74906345 | 324 | struct kvm_io_bus pio_bus; |
85f455f7 | 325 | struct kvm_pic *vpic; |
1fd4f2a5 | 326 | struct kvm_ioapic *vioapic; |
932f72ad | 327 | int round_robin_prev_vcpu; |
cbc94022 | 328 | unsigned int tss_addr; |
f78e0e2e | 329 | struct page *apic_access_page; |
ba1389b7 | 330 | struct kvm_vm_stat stat; |
6aa8b732 AK |
331 | }; |
332 | ||
85f455f7 ED |
333 | static inline struct kvm_pic *pic_irqchip(struct kvm *kvm) |
334 | { | |
335 | return kvm->vpic; | |
336 | } | |
337 | ||
1fd4f2a5 ED |
338 | static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) |
339 | { | |
340 | return kvm->vioapic; | |
341 | } | |
342 | ||
85f455f7 ED |
343 | static inline int irqchip_in_kernel(struct kvm *kvm) |
344 | { | |
56919c5c | 345 | return pic_irqchip(kvm) != NULL; |
85f455f7 ED |
346 | } |
347 | ||
6aa8b732 AK |
348 | struct descriptor_table { |
349 | u16 limit; | |
350 | unsigned long base; | |
351 | } __attribute__((packed)); | |
352 | ||
f0242478 RR |
353 | /* The guest did something we don't support. */ |
354 | #define pr_unimpl(vcpu, fmt, ...) \ | |
355 | do { \ | |
356 | if (printk_ratelimit()) \ | |
357 | printk(KERN_ERR "kvm: %i: cpu%i " fmt, \ | |
358 | current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \ | |
d77c26fc | 359 | } while (0) |
f0242478 | 360 | |
6aa8b732 AK |
361 | #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt) |
362 | #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt) | |
363 | ||
fb3f0f51 RR |
364 | int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id); |
365 | void kvm_vcpu_uninit(struct kvm_vcpu *vcpu); | |
366 | ||
313a3dc7 CO |
367 | void vcpu_load(struct kvm_vcpu *vcpu); |
368 | void vcpu_put(struct kvm_vcpu *vcpu); | |
369 | ||
e9b11c17 ZX |
370 | void decache_vcpus_on_cpu(int cpu); |
371 | ||
313a3dc7 | 372 | |
f8c16bba | 373 | int kvm_init(void *opaque, unsigned int vcpu_size, |
c16f862d | 374 | struct module *module); |
cb498ea2 | 375 | void kvm_exit(void); |
6aa8b732 | 376 | |
4a4c9924 | 377 | hpa_t gpa_to_hpa(struct kvm *kvm, gpa_t gpa); |
6aa8b732 AK |
378 | #define HPA_MSB ((sizeof(hpa_t) * 8) - 1) |
379 | #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB) | |
380 | static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; } | |
381 | hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva); | |
039576c0 | 382 | struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva); |
6aa8b732 | 383 | |
cea7bb21 | 384 | extern struct page *bad_page; |
6aa8b732 | 385 | |
cea7bb21 | 386 | int is_error_page(struct page *page); |
f9d46eb0 | 387 | int kvm_is_error_hva(unsigned long addr); |
210c7c4d IE |
388 | int kvm_set_memory_region(struct kvm *kvm, |
389 | struct kvm_userspace_memory_region *mem, | |
390 | int user_alloc); | |
f78e0e2e SY |
391 | int __kvm_set_memory_region(struct kvm *kvm, |
392 | struct kvm_userspace_memory_region *mem, | |
393 | int user_alloc); | |
290fc38d | 394 | gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn); |
954bbbc2 | 395 | struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); |
8a7ae055 | 396 | void kvm_release_page(struct page *page); |
195aefde IE |
397 | int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, |
398 | int len); | |
399 | int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len); | |
400 | int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data, | |
401 | int offset, int len); | |
402 | int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, | |
403 | unsigned long len); | |
404 | int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); | |
405 | int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); | |
6aa8b732 | 406 | struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); |
e0d62c7f | 407 | int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); |
6aa8b732 AK |
408 | void mark_page_dirty(struct kvm *kvm, gfn_t gfn); |
409 | ||
8776e519 | 410 | void kvm_vcpu_block(struct kvm_vcpu *vcpu); |
6aa8b732 | 411 | void kvm_resched(struct kvm_vcpu *vcpu); |
7702fd1f AK |
412 | void kvm_load_guest_fpu(struct kvm_vcpu *vcpu); |
413 | void kvm_put_guest_fpu(struct kvm_vcpu *vcpu); | |
d9e368d6 | 414 | void kvm_flush_remote_tlbs(struct kvm *kvm); |
6aa8b732 | 415 | |
043405e1 CO |
416 | long kvm_arch_dev_ioctl(struct file *filp, |
417 | unsigned int ioctl, unsigned long arg); | |
313a3dc7 CO |
418 | long kvm_arch_vcpu_ioctl(struct file *filp, |
419 | unsigned int ioctl, unsigned long arg); | |
420 | void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); | |
421 | void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); | |
018d00d2 ZX |
422 | |
423 | int kvm_dev_ioctl_check_extension(long ext); | |
424 | ||
5bb064dc ZX |
425 | int kvm_get_dirty_log(struct kvm *kvm, |
426 | struct kvm_dirty_log *log, int *is_dirty); | |
427 | int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, | |
428 | struct kvm_dirty_log *log); | |
429 | ||
1fe779f8 CO |
430 | int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, |
431 | struct | |
432 | kvm_userspace_memory_region *mem, | |
433 | int user_alloc); | |
434 | long kvm_arch_vm_ioctl(struct file *filp, | |
435 | unsigned int ioctl, unsigned long arg); | |
436 | void kvm_arch_destroy_vm(struct kvm *kvm); | |
313a3dc7 | 437 | |
d0752060 HB |
438 | int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); |
439 | int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); | |
440 | ||
8b006791 ZX |
441 | int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, |
442 | struct kvm_translation *tr); | |
443 | ||
b6c7a5dc HB |
444 | int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); |
445 | int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); | |
446 | int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, | |
447 | struct kvm_sregs *sregs); | |
448 | int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, | |
449 | struct kvm_sregs *sregs); | |
450 | int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, | |
451 | struct kvm_debug_guest *dbg); | |
452 | int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); | |
453 | ||
f8c16bba ZX |
454 | int kvm_arch_init(void *opaque); |
455 | void kvm_arch_exit(void); | |
043405e1 | 456 | |
e9b11c17 ZX |
457 | int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); |
458 | void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); | |
459 | ||
460 | void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu); | |
461 | void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); | |
462 | void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); | |
463 | struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id); | |
d40ccc62 | 464 | void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); |
e9b11c17 ZX |
465 | |
466 | int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu); | |
467 | void kvm_arch_hardware_enable(void *garbage); | |
468 | void kvm_arch_hardware_disable(void *garbage); | |
469 | int kvm_arch_hardware_setup(void); | |
470 | void kvm_arch_hardware_unsetup(void); | |
471 | void kvm_arch_check_processor_compat(void *rtn); | |
472 | ||
d19a9cd2 ZX |
473 | void kvm_free_physmem(struct kvm *kvm); |
474 | ||
475 | struct kvm *kvm_arch_create_vm(void); | |
476 | void kvm_arch_destroy_vm(struct kvm *kvm); | |
e9b11c17 | 477 | |
d172fcd3 LV |
478 | static inline void kvm_guest_enter(void) |
479 | { | |
e56a7a28 | 480 | account_system_vtime(current); |
d172fcd3 LV |
481 | current->flags |= PF_VCPU; |
482 | } | |
483 | ||
484 | static inline void kvm_guest_exit(void) | |
485 | { | |
e56a7a28 | 486 | account_system_vtime(current); |
d172fcd3 LV |
487 | current->flags &= ~PF_VCPU; |
488 | } | |
489 | ||
6aa8b732 AK |
490 | static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot) |
491 | { | |
492 | return slot - kvm->memslots; | |
493 | } | |
494 | ||
6aa8b732 | 495 | |
ba1389b7 AK |
496 | enum kvm_stat_kind { |
497 | KVM_STAT_VM, | |
498 | KVM_STAT_VCPU, | |
499 | }; | |
500 | ||
417bc304 HB |
501 | struct kvm_stats_debugfs_item { |
502 | const char *name; | |
503 | int offset; | |
ba1389b7 | 504 | enum kvm_stat_kind kind; |
417bc304 HB |
505 | struct dentry *dentry; |
506 | }; | |
507 | extern struct kvm_stats_debugfs_item debugfs_entries[]; | |
508 | ||
6aa8b732 | 509 | #endif |