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Commit | Line | Data |
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a656c8ef | 1 | /* |
043405e1 CO |
2 | * Kernel-based Virtual Machine driver for Linux |
3 | * | |
4 | * This header defines architecture specific interfaces, x86 version | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
7 | * the COPYING file in the top-level directory. | |
8 | * | |
9 | */ | |
10 | ||
1965aae3 PA |
11 | #ifndef _ASM_X86_KVM_HOST_H |
12 | #define _ASM_X86_KVM_HOST_H | |
043405e1 | 13 | |
34c16eec ZX |
14 | #include <linux/types.h> |
15 | #include <linux/mm.h> | |
e930bffe | 16 | #include <linux/mmu_notifier.h> |
229456fc | 17 | #include <linux/tracepoint.h> |
f5f48ee1 | 18 | #include <linux/cpumask.h> |
f5132b01 | 19 | #include <linux/irq_work.h> |
34c16eec ZX |
20 | |
21 | #include <linux/kvm.h> | |
22 | #include <linux/kvm_para.h> | |
edf88417 | 23 | #include <linux/kvm_types.h> |
f5132b01 | 24 | #include <linux/perf_event.h> |
d828199e MT |
25 | #include <linux/pvclock_gtod.h> |
26 | #include <linux/clocksource.h> | |
87276880 | 27 | #include <linux/irqbypass.h> |
5c919412 | 28 | #include <linux/hyperv.h> |
34c16eec | 29 | |
50d0a0f9 | 30 | #include <asm/pvclock-abi.h> |
e01a1b57 | 31 | #include <asm/desc.h> |
0bed3b56 | 32 | #include <asm/mtrr.h> |
9962d032 | 33 | #include <asm/msr-index.h> |
3ee89722 | 34 | #include <asm/asm.h> |
e01a1b57 | 35 | |
cbf64358 | 36 | #define KVM_MAX_VCPUS 255 |
a59cb29e | 37 | #define KVM_SOFT_MAX_VCPUS 160 |
1d4e7e3c | 38 | #define KVM_USER_MEM_SLOTS 509 |
0743247f AW |
39 | /* memory slots that are not exposed to userspace */ |
40 | #define KVM_PRIVATE_MEM_SLOTS 3 | |
bbacc0c1 | 41 | #define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS) |
93a5cef0 | 42 | |
69a9f69b | 43 | #define KVM_PIO_PAGE_OFFSET 1 |
542472b5 | 44 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 |
920552b2 | 45 | #define KVM_HALT_POLL_NS_DEFAULT 500000 |
69a9f69b | 46 | |
8175e5b7 AG |
47 | #define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS |
48 | ||
2860c4b1 PB |
49 | /* x86-specific vcpu->requests bit members */ |
50 | #define KVM_REQ_MIGRATE_TIMER 8 | |
51 | #define KVM_REQ_REPORT_TPR_ACCESS 9 | |
52 | #define KVM_REQ_TRIPLE_FAULT 10 | |
53 | #define KVM_REQ_MMU_SYNC 11 | |
54 | #define KVM_REQ_CLOCK_UPDATE 12 | |
55 | #define KVM_REQ_DEACTIVATE_FPU 13 | |
56 | #define KVM_REQ_EVENT 14 | |
57 | #define KVM_REQ_APF_HALT 15 | |
58 | #define KVM_REQ_STEAL_UPDATE 16 | |
59 | #define KVM_REQ_NMI 17 | |
60 | #define KVM_REQ_PMU 18 | |
61 | #define KVM_REQ_PMI 19 | |
62 | #define KVM_REQ_SMI 20 | |
63 | #define KVM_REQ_MASTERCLOCK_UPDATE 21 | |
64 | #define KVM_REQ_MCLOCK_INPROGRESS 22 | |
65 | #define KVM_REQ_SCAN_IOAPIC 23 | |
66 | #define KVM_REQ_GLOBAL_CLOCK_UPDATE 24 | |
67 | #define KVM_REQ_APIC_PAGE_RELOAD 25 | |
68 | #define KVM_REQ_HV_CRASH 26 | |
69 | #define KVM_REQ_IOAPIC_EOI_EXIT 27 | |
70 | #define KVM_REQ_HV_RESET 28 | |
71 | #define KVM_REQ_HV_EXIT 29 | |
72 | #define KVM_REQ_HV_STIMER 30 | |
73 | ||
cfec82cb JR |
74 | #define CR0_RESERVED_BITS \ |
75 | (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ | |
76 | | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ | |
77 | | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) | |
78 | ||
346874c9 | 79 | #define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL |
cfaa790a | 80 | #define CR3_PCID_INVD BIT_64(63) |
cfec82cb JR |
81 | #define CR4_RESERVED_BITS \ |
82 | (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ | |
83 | | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ | |
ad756a16 | 84 | | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \ |
afcbf13f | 85 | | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \ |
56d6efc2 | 86 | | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP)) |
cfec82cb JR |
87 | |
88 | #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) | |
89 | ||
90 | ||
cd6e8f87 | 91 | |
cd6e8f87 | 92 | #define INVALID_PAGE (~(hpa_t)0) |
dd180b3e XG |
93 | #define VALID_PAGE(x) ((x) != INVALID_PAGE) |
94 | ||
cd6e8f87 ZX |
95 | #define UNMAPPED_GVA (~(gpa_t)0) |
96 | ||
ec04b260 | 97 | /* KVM Hugepage definitions for x86 */ |
04326caa | 98 | #define KVM_NR_PAGE_SIZES 3 |
82855413 JR |
99 | #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) |
100 | #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) | |
ec04b260 JR |
101 | #define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) |
102 | #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) | |
103 | #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) | |
05da4558 | 104 | |
6d9d41e5 CD |
105 | static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) |
106 | { | |
107 | /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */ | |
108 | return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) - | |
109 | (base_gfn >> KVM_HPAGE_GFN_SHIFT(level)); | |
110 | } | |
111 | ||
d657a98e ZX |
112 | #define KVM_PERMILLE_MMU_PAGES 20 |
113 | #define KVM_MIN_ALLOC_MMU_PAGES 64 | |
1ae0a13d DE |
114 | #define KVM_MMU_HASH_SHIFT 10 |
115 | #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT) | |
d657a98e ZX |
116 | #define KVM_MIN_FREE_MMU_PAGES 5 |
117 | #define KVM_REFILL_PAGES 25 | |
73c1160c | 118 | #define KVM_MAX_CPUID_ENTRIES 80 |
0bed3b56 | 119 | #define KVM_NR_FIXED_MTRR_REGION 88 |
0d234daf | 120 | #define KVM_NR_VAR_MTRR 8 |
d657a98e | 121 | |
af585b92 GN |
122 | #define ASYNC_PF_PER_VCPU 64 |
123 | ||
5fdbf976 | 124 | enum kvm_reg { |
2b3ccfa0 ZX |
125 | VCPU_REGS_RAX = 0, |
126 | VCPU_REGS_RCX = 1, | |
127 | VCPU_REGS_RDX = 2, | |
128 | VCPU_REGS_RBX = 3, | |
129 | VCPU_REGS_RSP = 4, | |
130 | VCPU_REGS_RBP = 5, | |
131 | VCPU_REGS_RSI = 6, | |
132 | VCPU_REGS_RDI = 7, | |
133 | #ifdef CONFIG_X86_64 | |
134 | VCPU_REGS_R8 = 8, | |
135 | VCPU_REGS_R9 = 9, | |
136 | VCPU_REGS_R10 = 10, | |
137 | VCPU_REGS_R11 = 11, | |
138 | VCPU_REGS_R12 = 12, | |
139 | VCPU_REGS_R13 = 13, | |
140 | VCPU_REGS_R14 = 14, | |
141 | VCPU_REGS_R15 = 15, | |
142 | #endif | |
5fdbf976 | 143 | VCPU_REGS_RIP, |
2b3ccfa0 ZX |
144 | NR_VCPU_REGS |
145 | }; | |
146 | ||
6de4f3ad AK |
147 | enum kvm_reg_ex { |
148 | VCPU_EXREG_PDPTR = NR_VCPU_REGS, | |
aff48baa | 149 | VCPU_EXREG_CR3, |
6de12732 | 150 | VCPU_EXREG_RFLAGS, |
2fb92db1 | 151 | VCPU_EXREG_SEGMENTS, |
6de4f3ad AK |
152 | }; |
153 | ||
2b3ccfa0 | 154 | enum { |
81609e3e | 155 | VCPU_SREG_ES, |
2b3ccfa0 | 156 | VCPU_SREG_CS, |
81609e3e | 157 | VCPU_SREG_SS, |
2b3ccfa0 | 158 | VCPU_SREG_DS, |
2b3ccfa0 ZX |
159 | VCPU_SREG_FS, |
160 | VCPU_SREG_GS, | |
2b3ccfa0 ZX |
161 | VCPU_SREG_TR, |
162 | VCPU_SREG_LDTR, | |
163 | }; | |
164 | ||
56e82318 | 165 | #include <asm/kvm_emulate.h> |
2b3ccfa0 | 166 | |
d657a98e ZX |
167 | #define KVM_NR_MEM_OBJS 40 |
168 | ||
42dbaa5a JK |
169 | #define KVM_NR_DB_REGS 4 |
170 | ||
171 | #define DR6_BD (1 << 13) | |
172 | #define DR6_BS (1 << 14) | |
6f43ed01 NA |
173 | #define DR6_RTM (1 << 16) |
174 | #define DR6_FIXED_1 0xfffe0ff0 | |
175 | #define DR6_INIT 0xffff0ff0 | |
176 | #define DR6_VOLATILE 0x0001e00f | |
42dbaa5a JK |
177 | |
178 | #define DR7_BP_EN_MASK 0x000000ff | |
179 | #define DR7_GE (1 << 9) | |
180 | #define DR7_GD (1 << 13) | |
181 | #define DR7_FIXED_1 0x00000400 | |
6f43ed01 | 182 | #define DR7_VOLATILE 0xffff2bff |
42dbaa5a | 183 | |
c205fb7d NA |
184 | #define PFERR_PRESENT_BIT 0 |
185 | #define PFERR_WRITE_BIT 1 | |
186 | #define PFERR_USER_BIT 2 | |
187 | #define PFERR_RSVD_BIT 3 | |
188 | #define PFERR_FETCH_BIT 4 | |
189 | ||
190 | #define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT) | |
191 | #define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT) | |
192 | #define PFERR_USER_MASK (1U << PFERR_USER_BIT) | |
193 | #define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT) | |
194 | #define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT) | |
195 | ||
41383771 GN |
196 | /* apic attention bits */ |
197 | #define KVM_APIC_CHECK_VAPIC 0 | |
ae7a2a3f MT |
198 | /* |
199 | * The following bit is set with PV-EOI, unset on EOI. | |
200 | * We detect PV-EOI changes by guest by comparing | |
201 | * this bit with PV-EOI in guest memory. | |
202 | * See the implementation in apic_update_pv_eoi. | |
203 | */ | |
204 | #define KVM_APIC_PV_EOI_PENDING 1 | |
41383771 | 205 | |
d84f1e07 FW |
206 | struct kvm_kernel_irq_routing_entry; |
207 | ||
d657a98e ZX |
208 | /* |
209 | * We don't want allocation failures within the mmu code, so we preallocate | |
210 | * enough memory for a single page fault in a cache. | |
211 | */ | |
212 | struct kvm_mmu_memory_cache { | |
213 | int nobjs; | |
214 | void *objects[KVM_NR_MEM_OBJS]; | |
215 | }; | |
216 | ||
d657a98e ZX |
217 | union kvm_mmu_page_role { |
218 | unsigned word; | |
219 | struct { | |
7d76b4d3 | 220 | unsigned level:4; |
5b7e0102 | 221 | unsigned cr4_pae:1; |
7d76b4d3 | 222 | unsigned quadrant:2; |
f6e2c02b | 223 | unsigned direct:1; |
7d76b4d3 | 224 | unsigned access:3; |
2e53d63a | 225 | unsigned invalid:1; |
9645bb56 | 226 | unsigned nxe:1; |
3dbe1415 | 227 | unsigned cr0_wp:1; |
411c588d | 228 | unsigned smep_andnot_wp:1; |
0be0226f | 229 | unsigned smap_andnot_wp:1; |
699023e2 PB |
230 | unsigned :8; |
231 | ||
232 | /* | |
233 | * This is left at the top of the word so that | |
234 | * kvm_memslots_for_spte_role can extract it with a | |
235 | * simple shift. While there is room, give it a whole | |
236 | * byte so it is also faster to load it from memory. | |
237 | */ | |
238 | unsigned smm:8; | |
d657a98e ZX |
239 | }; |
240 | }; | |
241 | ||
018aabb5 TY |
242 | struct kvm_rmap_head { |
243 | unsigned long val; | |
244 | }; | |
245 | ||
d657a98e ZX |
246 | struct kvm_mmu_page { |
247 | struct list_head link; | |
248 | struct hlist_node hash_link; | |
249 | ||
250 | /* | |
251 | * The following two entries are used to key the shadow page in the | |
252 | * hash table. | |
253 | */ | |
254 | gfn_t gfn; | |
255 | union kvm_mmu_page_role role; | |
256 | ||
257 | u64 *spt; | |
258 | /* hold the gfn of each spte inside spt */ | |
259 | gfn_t *gfns; | |
4731d4c7 | 260 | bool unsync; |
0571d366 | 261 | int root_count; /* Currently serving as active root */ |
60c8aec6 | 262 | unsigned int unsync_children; |
018aabb5 | 263 | struct kvm_rmap_head parent_ptes; /* rmap pointers to parent sptes */ |
f6f8adee XG |
264 | |
265 | /* The page is obsolete if mmu_valid_gen != kvm->arch.mmu_valid_gen. */ | |
5304b8d3 | 266 | unsigned long mmu_valid_gen; |
f6f8adee | 267 | |
0074ff63 | 268 | DECLARE_BITMAP(unsync_child_bitmap, 512); |
c2a2ac2b XG |
269 | |
270 | #ifdef CONFIG_X86_32 | |
accaefe0 XG |
271 | /* |
272 | * Used out of the mmu-lock to avoid reading spte values while an | |
273 | * update is in progress; see the comments in __get_spte_lockless(). | |
274 | */ | |
c2a2ac2b XG |
275 | int clear_spte_count; |
276 | #endif | |
277 | ||
0cbf8e43 | 278 | /* Number of writes since the last time traversal visited this page. */ |
a30f47cb | 279 | int write_flooding_count; |
d657a98e ZX |
280 | }; |
281 | ||
1c08364c AK |
282 | struct kvm_pio_request { |
283 | unsigned long count; | |
1c08364c AK |
284 | int in; |
285 | int port; | |
286 | int size; | |
1c08364c AK |
287 | }; |
288 | ||
a0a64f50 XG |
289 | struct rsvd_bits_validate { |
290 | u64 rsvd_bits_mask[2][4]; | |
291 | u64 bad_mt_xwr; | |
292 | }; | |
293 | ||
d657a98e ZX |
294 | /* |
295 | * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level | |
296 | * 32-bit). The kvm_mmu structure abstracts the details of the current mmu | |
297 | * mode. | |
298 | */ | |
299 | struct kvm_mmu { | |
f43addd4 | 300 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); |
5777ed34 | 301 | unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); |
e4e517b4 | 302 | u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index); |
78b2c54a XG |
303 | int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, |
304 | bool prefault); | |
6389ee94 AK |
305 | void (*inject_page_fault)(struct kvm_vcpu *vcpu, |
306 | struct x86_exception *fault); | |
1871c602 | 307 | gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, |
ab9ae313 | 308 | struct x86_exception *exception); |
54987b7a PB |
309 | gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
310 | struct x86_exception *exception); | |
e8bc217a | 311 | int (*sync_page)(struct kvm_vcpu *vcpu, |
a4a8e6f7 | 312 | struct kvm_mmu_page *sp); |
a7052897 | 313 | void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); |
0f53b5b1 | 314 | void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, |
7c562522 | 315 | u64 *spte, const void *pte); |
d657a98e ZX |
316 | hpa_t root_hpa; |
317 | int root_level; | |
318 | int shadow_root_level; | |
a770f6f2 | 319 | union kvm_mmu_page_role base_role; |
c5a78f2b | 320 | bool direct_map; |
d657a98e | 321 | |
97d64b78 AK |
322 | /* |
323 | * Bitmap; bit set = permission fault | |
324 | * Byte index: page fault error code [4:1] | |
325 | * Bit index: pte permissions in ACC_* format | |
326 | */ | |
327 | u8 permissions[16]; | |
328 | ||
d657a98e | 329 | u64 *pae_root; |
81407ca5 | 330 | u64 *lm_root; |
c258b62b XG |
331 | |
332 | /* | |
333 | * check zero bits on shadow page table entries, these | |
334 | * bits include not only hardware reserved bits but also | |
335 | * the bits spte never used. | |
336 | */ | |
337 | struct rsvd_bits_validate shadow_zero_check; | |
338 | ||
a0a64f50 | 339 | struct rsvd_bits_validate guest_rsvd_check; |
ff03a073 | 340 | |
6fd01b71 AK |
341 | /* |
342 | * Bitmap: bit set = last pte in walk | |
343 | * index[0:1]: level (zero-based) | |
344 | * index[2]: pte.ps | |
345 | */ | |
346 | u8 last_pte_bitmap; | |
347 | ||
2d48a985 JR |
348 | bool nx; |
349 | ||
ff03a073 | 350 | u64 pdptrs[4]; /* pae */ |
d657a98e ZX |
351 | }; |
352 | ||
f5132b01 GN |
353 | enum pmc_type { |
354 | KVM_PMC_GP = 0, | |
355 | KVM_PMC_FIXED, | |
356 | }; | |
357 | ||
358 | struct kvm_pmc { | |
359 | enum pmc_type type; | |
360 | u8 idx; | |
361 | u64 counter; | |
362 | u64 eventsel; | |
363 | struct perf_event *perf_event; | |
364 | struct kvm_vcpu *vcpu; | |
365 | }; | |
366 | ||
367 | struct kvm_pmu { | |
368 | unsigned nr_arch_gp_counters; | |
369 | unsigned nr_arch_fixed_counters; | |
370 | unsigned available_event_types; | |
371 | u64 fixed_ctr_ctrl; | |
372 | u64 global_ctrl; | |
373 | u64 global_status; | |
374 | u64 global_ovf_ctrl; | |
375 | u64 counter_bitmask[2]; | |
376 | u64 global_ctrl_mask; | |
103af0a9 | 377 | u64 reserved_bits; |
f5132b01 | 378 | u8 version; |
15c7ad51 RR |
379 | struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC]; |
380 | struct kvm_pmc fixed_counters[INTEL_PMC_MAX_FIXED]; | |
f5132b01 GN |
381 | struct irq_work irq_work; |
382 | u64 reprogram_pmi; | |
383 | }; | |
384 | ||
25462f7f WH |
385 | struct kvm_pmu_ops; |
386 | ||
360b948d PB |
387 | enum { |
388 | KVM_DEBUGREG_BP_ENABLED = 1, | |
c77fb5fe | 389 | KVM_DEBUGREG_WONT_EXIT = 2, |
ae561ede | 390 | KVM_DEBUGREG_RELOAD = 4, |
360b948d PB |
391 | }; |
392 | ||
86fd5270 XG |
393 | struct kvm_mtrr_range { |
394 | u64 base; | |
395 | u64 mask; | |
19efffa2 | 396 | struct list_head node; |
86fd5270 XG |
397 | }; |
398 | ||
70109e7d | 399 | struct kvm_mtrr { |
86fd5270 | 400 | struct kvm_mtrr_range var_ranges[KVM_NR_VAR_MTRR]; |
70109e7d | 401 | mtrr_type fixed_ranges[KVM_NR_FIXED_MTRR_REGION]; |
10fac2dc | 402 | u64 deftype; |
19efffa2 XG |
403 | |
404 | struct list_head head; | |
70109e7d XG |
405 | }; |
406 | ||
1f4b34f8 AS |
407 | /* Hyper-V SynIC timer */ |
408 | struct kvm_vcpu_hv_stimer { | |
409 | struct hrtimer timer; | |
410 | int index; | |
411 | u64 config; | |
412 | u64 count; | |
413 | u64 exp_time; | |
414 | struct hv_message msg; | |
415 | bool msg_pending; | |
416 | }; | |
417 | ||
5c919412 AS |
418 | /* Hyper-V synthetic interrupt controller (SynIC)*/ |
419 | struct kvm_vcpu_hv_synic { | |
420 | u64 version; | |
421 | u64 control; | |
422 | u64 msg_page; | |
423 | u64 evt_page; | |
424 | atomic64_t sint[HV_SYNIC_SINT_COUNT]; | |
425 | atomic_t sint_to_gsi[HV_SYNIC_SINT_COUNT]; | |
426 | DECLARE_BITMAP(auto_eoi_bitmap, 256); | |
427 | DECLARE_BITMAP(vec_bitmap, 256); | |
428 | bool active; | |
429 | }; | |
430 | ||
e83d5887 AS |
431 | /* Hyper-V per vcpu emulation context */ |
432 | struct kvm_vcpu_hv { | |
433 | u64 hv_vapic; | |
9eec50b8 | 434 | s64 runtime_offset; |
5c919412 | 435 | struct kvm_vcpu_hv_synic synic; |
db397571 | 436 | struct kvm_hyperv_exit exit; |
1f4b34f8 AS |
437 | struct kvm_vcpu_hv_stimer stimer[HV_SYNIC_STIMER_COUNT]; |
438 | DECLARE_BITMAP(stimer_pending_bitmap, HV_SYNIC_STIMER_COUNT); | |
e83d5887 AS |
439 | }; |
440 | ||
ad312c7c | 441 | struct kvm_vcpu_arch { |
5fdbf976 MT |
442 | /* |
443 | * rip and regs accesses must go through | |
444 | * kvm_{register,rip}_{read,write} functions. | |
445 | */ | |
446 | unsigned long regs[NR_VCPU_REGS]; | |
447 | u32 regs_avail; | |
448 | u32 regs_dirty; | |
34c16eec ZX |
449 | |
450 | unsigned long cr0; | |
e8467fda | 451 | unsigned long cr0_guest_owned_bits; |
34c16eec ZX |
452 | unsigned long cr2; |
453 | unsigned long cr3; | |
454 | unsigned long cr4; | |
fc78f519 | 455 | unsigned long cr4_guest_owned_bits; |
34c16eec | 456 | unsigned long cr8; |
1371d904 | 457 | u32 hflags; |
f6801dff | 458 | u64 efer; |
34c16eec ZX |
459 | u64 apic_base; |
460 | struct kvm_lapic *apic; /* kernel irqchip context */ | |
d62caabb | 461 | bool apicv_active; |
6308630b | 462 | DECLARE_BITMAP(ioapic_handled_vectors, 256); |
41383771 | 463 | unsigned long apic_attention; |
e1035715 | 464 | int32_t apic_arb_prio; |
34c16eec | 465 | int mp_state; |
34c16eec | 466 | u64 ia32_misc_enable_msr; |
64d60670 | 467 | u64 smbase; |
b209749f | 468 | bool tpr_access_reporting; |
20300099 | 469 | u64 ia32_xss; |
34c16eec | 470 | |
14dfe855 JR |
471 | /* |
472 | * Paging state of the vcpu | |
473 | * | |
474 | * If the vcpu runs in guest mode with two level paging this still saves | |
475 | * the paging mode of the l1 guest. This context is always used to | |
476 | * handle faults. | |
477 | */ | |
34c16eec | 478 | struct kvm_mmu mmu; |
8df25a32 | 479 | |
6539e738 JR |
480 | /* |
481 | * Paging state of an L2 guest (used for nested npt) | |
482 | * | |
483 | * This context will save all necessary information to walk page tables | |
484 | * of the an L2 guest. This context is only initialized for page table | |
485 | * walking and not for faulting since we never handle l2 page faults on | |
486 | * the host. | |
487 | */ | |
488 | struct kvm_mmu nested_mmu; | |
489 | ||
14dfe855 JR |
490 | /* |
491 | * Pointer to the mmu context currently used for | |
492 | * gva_to_gpa translations. | |
493 | */ | |
494 | struct kvm_mmu *walk_mmu; | |
495 | ||
53c07b18 | 496 | struct kvm_mmu_memory_cache mmu_pte_list_desc_cache; |
34c16eec ZX |
497 | struct kvm_mmu_memory_cache mmu_page_cache; |
498 | struct kvm_mmu_memory_cache mmu_page_header_cache; | |
499 | ||
98918833 | 500 | struct fpu guest_fpu; |
c447e76b | 501 | bool eager_fpu; |
2acf923e | 502 | u64 xcr0; |
d7876f1b | 503 | u64 guest_supported_xcr0; |
4344ee98 | 504 | u32 guest_xstate_size; |
34c16eec | 505 | |
34c16eec ZX |
506 | struct kvm_pio_request pio; |
507 | void *pio_data; | |
508 | ||
66fd3f7f GN |
509 | u8 event_exit_inst_len; |
510 | ||
298101da AK |
511 | struct kvm_queued_exception { |
512 | bool pending; | |
513 | bool has_error_code; | |
ce7ddec4 | 514 | bool reinject; |
298101da AK |
515 | u8 nr; |
516 | u32 error_code; | |
517 | } exception; | |
518 | ||
937a7eae AK |
519 | struct kvm_queued_interrupt { |
520 | bool pending; | |
66fd3f7f | 521 | bool soft; |
937a7eae AK |
522 | u8 nr; |
523 | } interrupt; | |
524 | ||
34c16eec ZX |
525 | int halt_request; /* real mode on Intel only */ |
526 | ||
527 | int cpuid_nent; | |
07716717 | 528 | struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES]; |
5a4f55cd EK |
529 | |
530 | int maxphyaddr; | |
531 | ||
34c16eec ZX |
532 | /* emulate context */ |
533 | ||
534 | struct x86_emulate_ctxt emulate_ctxt; | |
7ae441ea GN |
535 | bool emulate_regs_need_sync_to_vcpu; |
536 | bool emulate_regs_need_sync_from_vcpu; | |
716d51ab | 537 | int (*complete_userspace_io)(struct kvm_vcpu *vcpu); |
18068523 GOC |
538 | |
539 | gpa_t time; | |
50d0a0f9 | 540 | struct pvclock_vcpu_time_info hv_clock; |
e48672fa | 541 | unsigned int hw_tsc_khz; |
0b79459b AH |
542 | struct gfn_to_hva_cache pv_time; |
543 | bool pv_time_enabled; | |
51d59c6b MT |
544 | /* set guest stopped flag in pvclock flags field */ |
545 | bool pvclock_set_guest_stopped_request; | |
c9aaa895 GC |
546 | |
547 | struct { | |
548 | u64 msr_val; | |
549 | u64 last_steal; | |
550 | u64 accum_steal; | |
551 | struct gfn_to_hva_cache stime; | |
552 | struct kvm_steal_time steal; | |
553 | } st; | |
554 | ||
1d5f066e | 555 | u64 last_guest_tsc; |
6f526ec5 | 556 | u64 last_host_tsc; |
0dd6a6ed | 557 | u64 tsc_offset_adjustment; |
e26101b1 ZA |
558 | u64 this_tsc_nsec; |
559 | u64 this_tsc_write; | |
0d3da0d2 | 560 | u64 this_tsc_generation; |
c285545f | 561 | bool tsc_catchup; |
cc578287 ZA |
562 | bool tsc_always_catchup; |
563 | s8 virtual_tsc_shift; | |
564 | u32 virtual_tsc_mult; | |
565 | u32 virtual_tsc_khz; | |
ba904635 | 566 | s64 ia32_tsc_adjust_msr; |
ad721883 | 567 | u64 tsc_scaling_ratio; |
3419ffc8 | 568 | |
7460fb4a AK |
569 | atomic_t nmi_queued; /* unprocessed asynchronous NMIs */ |
570 | unsigned nmi_pending; /* NMI queued after currently running handler */ | |
571 | bool nmi_injected; /* Trying to inject an NMI this entry */ | |
f077825a | 572 | bool smi_pending; /* SMI queued after currently running handler */ |
9ba075a6 | 573 | |
70109e7d | 574 | struct kvm_mtrr mtrr_state; |
7cb060a9 | 575 | u64 pat; |
42dbaa5a | 576 | |
360b948d | 577 | unsigned switch_db_regs; |
42dbaa5a JK |
578 | unsigned long db[KVM_NR_DB_REGS]; |
579 | unsigned long dr6; | |
580 | unsigned long dr7; | |
581 | unsigned long eff_db[KVM_NR_DB_REGS]; | |
c8639010 | 582 | unsigned long guest_debug_dr7; |
890ca9ae HY |
583 | |
584 | u64 mcg_cap; | |
585 | u64 mcg_status; | |
586 | u64 mcg_ctl; | |
587 | u64 *mce_banks; | |
94fe45da | 588 | |
bebb106a XG |
589 | /* Cache MMIO info */ |
590 | u64 mmio_gva; | |
591 | unsigned access; | |
592 | gfn_t mmio_gfn; | |
56f17dd3 | 593 | u64 mmio_gen; |
bebb106a | 594 | |
f5132b01 GN |
595 | struct kvm_pmu pmu; |
596 | ||
94fe45da | 597 | /* used for guest single stepping over the given code position */ |
94fe45da | 598 | unsigned long singlestep_rip; |
f92653ee | 599 | |
e83d5887 | 600 | struct kvm_vcpu_hv hyperv; |
f5f48ee1 SY |
601 | |
602 | cpumask_var_t wbinvd_dirty_mask; | |
af585b92 | 603 | |
1cb3f3ae XG |
604 | unsigned long last_retry_eip; |
605 | unsigned long last_retry_addr; | |
606 | ||
af585b92 GN |
607 | struct { |
608 | bool halted; | |
609 | gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)]; | |
344d9588 GN |
610 | struct gfn_to_hva_cache data; |
611 | u64 msr_val; | |
7c90705b | 612 | u32 id; |
6adba527 | 613 | bool send_user_only; |
af585b92 | 614 | } apf; |
2b036c6b BO |
615 | |
616 | /* OSVW MSRs (AMD only) */ | |
617 | struct { | |
618 | u64 length; | |
619 | u64 status; | |
620 | } osvw; | |
ae7a2a3f MT |
621 | |
622 | struct { | |
623 | u64 msr_val; | |
624 | struct gfn_to_hva_cache data; | |
625 | } pv_eoi; | |
93c05d3e XG |
626 | |
627 | /* | |
628 | * Indicate whether the access faults on its page table in guest | |
629 | * which is set when fix page fault and used to detect unhandeable | |
630 | * instruction. | |
631 | */ | |
632 | bool write_fault_to_shadow_pgtable; | |
25d92081 YZ |
633 | |
634 | /* set at EPT violation at this point */ | |
635 | unsigned long exit_qualification; | |
6aef266c SV |
636 | |
637 | /* pv related host specific info */ | |
638 | struct { | |
639 | bool pv_unhalted; | |
640 | } pv; | |
7543a635 SR |
641 | |
642 | int pending_ioapic_eoi; | |
1c1a9ce9 | 643 | int pending_external_vector; |
34c16eec ZX |
644 | }; |
645 | ||
db3fe4eb | 646 | struct kvm_lpage_info { |
db3fe4eb TY |
647 | int write_count; |
648 | }; | |
649 | ||
650 | struct kvm_arch_memory_slot { | |
018aabb5 | 651 | struct kvm_rmap_head *rmap[KVM_NR_PAGE_SIZES]; |
db3fe4eb TY |
652 | struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1]; |
653 | }; | |
654 | ||
3548a259 RK |
655 | /* |
656 | * We use as the mode the number of bits allocated in the LDR for the | |
657 | * logical processor ID. It happens that these are all powers of two. | |
658 | * This makes it is very easy to detect cases where the APICs are | |
659 | * configured for multiple modes; in that case, we cannot use the map and | |
660 | * hence cannot use kvm_irq_delivery_to_apic_fast either. | |
661 | */ | |
662 | #define KVM_APIC_MODE_XAPIC_CLUSTER 4 | |
663 | #define KVM_APIC_MODE_XAPIC_FLAT 8 | |
664 | #define KVM_APIC_MODE_X2APIC 16 | |
665 | ||
1e08ec4a GN |
666 | struct kvm_apic_map { |
667 | struct rcu_head rcu; | |
3548a259 | 668 | u8 mode; |
1e08ec4a GN |
669 | struct kvm_lapic *phys_map[256]; |
670 | /* first index is cluster id second is cpu id in a cluster */ | |
671 | struct kvm_lapic *logical_map[16][16]; | |
672 | }; | |
673 | ||
e83d5887 AS |
674 | /* Hyper-V emulation context */ |
675 | struct kvm_hv { | |
676 | u64 hv_guest_os_id; | |
677 | u64 hv_hypercall; | |
678 | u64 hv_tsc_page; | |
e7d9513b AS |
679 | |
680 | /* Hyper-v based guest crash (NT kernel bugcheck) parameters */ | |
681 | u64 hv_crash_param[HV_X64_MSR_CRASH_PARAMS]; | |
682 | u64 hv_crash_ctl; | |
e83d5887 AS |
683 | }; |
684 | ||
fef9cce0 | 685 | struct kvm_arch { |
49d5ca26 | 686 | unsigned int n_used_mmu_pages; |
f05e70ac | 687 | unsigned int n_requested_mmu_pages; |
39de71ec | 688 | unsigned int n_max_mmu_pages; |
332b207d | 689 | unsigned int indirect_shadow_pages; |
5304b8d3 | 690 | unsigned long mmu_valid_gen; |
f05e70ac ZX |
691 | struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; |
692 | /* | |
693 | * Hash table of struct kvm_mmu_page. | |
694 | */ | |
695 | struct list_head active_mmu_pages; | |
365c8868 XG |
696 | struct list_head zapped_obsolete_pages; |
697 | ||
4d5c5d0f | 698 | struct list_head assigned_dev_head; |
19de40a8 | 699 | struct iommu_domain *iommu_domain; |
d96eb2c6 | 700 | bool iommu_noncoherent; |
e0f0bbc5 AW |
701 | #define __KVM_HAVE_ARCH_NONCOHERENT_DMA |
702 | atomic_t noncoherent_dma_count; | |
5544eb9b PB |
703 | #define __KVM_HAVE_ARCH_ASSIGNED_DEVICE |
704 | atomic_t assigned_device_count; | |
d7deeeb0 ZX |
705 | struct kvm_pic *vpic; |
706 | struct kvm_ioapic *vioapic; | |
7837699f | 707 | struct kvm_pit *vpit; |
42720138 | 708 | atomic_t vapics_in_nmi_mode; |
1e08ec4a GN |
709 | struct mutex apic_map_lock; |
710 | struct kvm_apic_map *apic_map; | |
bfc6d222 | 711 | |
bfc6d222 | 712 | unsigned int tss_addr; |
c24ae0dc | 713 | bool apic_access_page_done; |
18068523 GOC |
714 | |
715 | gpa_t wall_clock; | |
b7ebfb05 | 716 | |
b7ebfb05 | 717 | bool ept_identity_pagetable_done; |
b927a3ce | 718 | gpa_t ept_identity_map_addr; |
5550af4d SY |
719 | |
720 | unsigned long irq_sources_bitmap; | |
afbcf7ab | 721 | s64 kvmclock_offset; |
038f8c11 | 722 | raw_spinlock_t tsc_write_lock; |
f38e098f | 723 | u64 last_tsc_nsec; |
f38e098f | 724 | u64 last_tsc_write; |
5d3cb0f6 | 725 | u32 last_tsc_khz; |
e26101b1 ZA |
726 | u64 cur_tsc_nsec; |
727 | u64 cur_tsc_write; | |
728 | u64 cur_tsc_offset; | |
0d3da0d2 | 729 | u64 cur_tsc_generation; |
b48aa97e | 730 | int nr_vcpus_matched_tsc; |
ffde22ac | 731 | |
d828199e MT |
732 | spinlock_t pvclock_gtod_sync_lock; |
733 | bool use_master_clock; | |
734 | u64 master_kernel_ns; | |
735 | cycle_t master_cycle_now; | |
7e44e449 | 736 | struct delayed_work kvmclock_update_work; |
332967a3 | 737 | struct delayed_work kvmclock_sync_work; |
d828199e | 738 | |
ffde22ac | 739 | struct kvm_xen_hvm_config xen_hvm_config; |
55cd8e5a | 740 | |
6ef768fa PB |
741 | /* reads protected by irq_srcu, writes by irq_lock */ |
742 | struct hlist_head mask_notifier_list; | |
743 | ||
e83d5887 | 744 | struct kvm_hv hyperv; |
b034cf01 XG |
745 | |
746 | #ifdef CONFIG_KVM_MMU_AUDIT | |
747 | int audit_point; | |
748 | #endif | |
54750f2c MT |
749 | |
750 | bool boot_vcpu_runs_old_kvmclock; | |
d71ba788 | 751 | u32 bsp_vcpu_id; |
90de4a18 NA |
752 | |
753 | u64 disabled_quirks; | |
49df6397 SR |
754 | |
755 | bool irqchip_split; | |
b053b2ae | 756 | u8 nr_reserved_ioapic_pins; |
d69fb81f ZX |
757 | }; |
758 | ||
0711456c ZX |
759 | struct kvm_vm_stat { |
760 | u32 mmu_shadow_zapped; | |
761 | u32 mmu_pte_write; | |
762 | u32 mmu_pte_updated; | |
763 | u32 mmu_pde_zapped; | |
764 | u32 mmu_flooded; | |
765 | u32 mmu_recycled; | |
dfc5aa00 | 766 | u32 mmu_cache_miss; |
4731d4c7 | 767 | u32 mmu_unsync; |
0711456c | 768 | u32 remote_tlb_flush; |
05da4558 | 769 | u32 lpages; |
0711456c ZX |
770 | }; |
771 | ||
77b4c255 ZX |
772 | struct kvm_vcpu_stat { |
773 | u32 pf_fixed; | |
774 | u32 pf_guest; | |
775 | u32 tlb_flush; | |
776 | u32 invlpg; | |
777 | ||
778 | u32 exits; | |
779 | u32 io_exits; | |
780 | u32 mmio_exits; | |
781 | u32 signal_exits; | |
782 | u32 irq_window_exits; | |
f08864b4 | 783 | u32 nmi_window_exits; |
77b4c255 | 784 | u32 halt_exits; |
f7819512 | 785 | u32 halt_successful_poll; |
62bea5bf | 786 | u32 halt_attempted_poll; |
77b4c255 ZX |
787 | u32 halt_wakeup; |
788 | u32 request_irq_exits; | |
789 | u32 irq_exits; | |
790 | u32 host_state_reload; | |
791 | u32 efer_reload; | |
792 | u32 fpu_reload; | |
793 | u32 insn_emulation; | |
794 | u32 insn_emulation_fail; | |
f11c3a8d | 795 | u32 hypercalls; |
fa89a817 | 796 | u32 irq_injections; |
c4abb7c9 | 797 | u32 nmi_injections; |
77b4c255 | 798 | }; |
ad312c7c | 799 | |
8a76d7f2 JR |
800 | struct x86_instruction_info; |
801 | ||
8fe8ab46 WA |
802 | struct msr_data { |
803 | bool host_initiated; | |
804 | u32 index; | |
805 | u64 data; | |
806 | }; | |
807 | ||
cb5281a5 PB |
808 | struct kvm_lapic_irq { |
809 | u32 vector; | |
b7cb2231 PB |
810 | u16 delivery_mode; |
811 | u16 dest_mode; | |
812 | bool level; | |
813 | u16 trig_mode; | |
cb5281a5 PB |
814 | u32 shorthand; |
815 | u32 dest_id; | |
93bbf0b8 | 816 | bool msi_redir_hint; |
cb5281a5 PB |
817 | }; |
818 | ||
ea4a5ff8 ZX |
819 | struct kvm_x86_ops { |
820 | int (*cpu_has_kvm_support)(void); /* __init */ | |
821 | int (*disabled_by_bios)(void); /* __init */ | |
13a34e06 RK |
822 | int (*hardware_enable)(void); |
823 | void (*hardware_disable)(void); | |
ea4a5ff8 ZX |
824 | void (*check_processor_compatibility)(void *rtn); |
825 | int (*hardware_setup)(void); /* __init */ | |
826 | void (*hardware_unsetup)(void); /* __exit */ | |
774ead3a | 827 | bool (*cpu_has_accelerated_tpr)(void); |
6d396b55 | 828 | bool (*cpu_has_high_real_mode_segbase)(void); |
0e851880 | 829 | void (*cpuid_update)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
830 | |
831 | /* Create, but do not attach this VCPU */ | |
832 | struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); | |
833 | void (*vcpu_free)(struct kvm_vcpu *vcpu); | |
d28bc9dd | 834 | void (*vcpu_reset)(struct kvm_vcpu *vcpu, bool init_event); |
ea4a5ff8 ZX |
835 | |
836 | void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); | |
837 | void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); | |
838 | void (*vcpu_put)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 839 | |
a96036b8 | 840 | void (*update_bp_intercept)(struct kvm_vcpu *vcpu); |
609e36d3 | 841 | int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 842 | int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); |
ea4a5ff8 ZX |
843 | u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg); |
844 | void (*get_segment)(struct kvm_vcpu *vcpu, | |
845 | struct kvm_segment *var, int seg); | |
2e4d2653 | 846 | int (*get_cpl)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
847 | void (*set_segment)(struct kvm_vcpu *vcpu, |
848 | struct kvm_segment *var, int seg); | |
849 | void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l); | |
e8467fda | 850 | void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu); |
aff48baa | 851 | void (*decache_cr3)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
852 | void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu); |
853 | void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0); | |
854 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); | |
5e1746d6 | 855 | int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4); |
ea4a5ff8 | 856 | void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer); |
89a27f4d GN |
857 | void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
858 | void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
859 | void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
860 | void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
73aaf249 JK |
861 | u64 (*get_dr6)(struct kvm_vcpu *vcpu); |
862 | void (*set_dr6)(struct kvm_vcpu *vcpu, unsigned long value); | |
c77fb5fe | 863 | void (*sync_dirty_debug_regs)(struct kvm_vcpu *vcpu); |
020df079 | 864 | void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value); |
5fdbf976 | 865 | void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg); |
ea4a5ff8 ZX |
866 | unsigned long (*get_rflags)(struct kvm_vcpu *vcpu); |
867 | void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); | |
0fdd74f7 | 868 | void (*fpu_activate)(struct kvm_vcpu *vcpu); |
02daab21 | 869 | void (*fpu_deactivate)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
870 | |
871 | void (*tlb_flush)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 872 | |
851ba692 AK |
873 | void (*run)(struct kvm_vcpu *vcpu); |
874 | int (*handle_exit)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 875 | void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); |
2809f5d2 | 876 | void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); |
37ccdcbe | 877 | u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
878 | void (*patch_hypercall)(struct kvm_vcpu *vcpu, |
879 | unsigned char *hypercall_addr); | |
66fd3f7f | 880 | void (*set_irq)(struct kvm_vcpu *vcpu); |
95ba8273 | 881 | void (*set_nmi)(struct kvm_vcpu *vcpu); |
298101da | 882 | void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr, |
ce7ddec4 JR |
883 | bool has_error_code, u32 error_code, |
884 | bool reinject); | |
b463a6f7 | 885 | void (*cancel_injection)(struct kvm_vcpu *vcpu); |
78646121 | 886 | int (*interrupt_allowed)(struct kvm_vcpu *vcpu); |
95ba8273 | 887 | int (*nmi_allowed)(struct kvm_vcpu *vcpu); |
3cfc3092 JK |
888 | bool (*get_nmi_mask)(struct kvm_vcpu *vcpu); |
889 | void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked); | |
c9a7953f JK |
890 | void (*enable_nmi_window)(struct kvm_vcpu *vcpu); |
891 | void (*enable_irq_window)(struct kvm_vcpu *vcpu); | |
95ba8273 | 892 | void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr); |
d62caabb AS |
893 | bool (*get_enable_apicv)(void); |
894 | void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu); | |
c7c9c56c YZ |
895 | void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr); |
896 | void (*hwapic_isr_update)(struct kvm *kvm, int isr); | |
6308630b | 897 | void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap); |
8d14695f | 898 | void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set); |
4256f43f | 899 | void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa); |
a20ed54d YZ |
900 | void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector); |
901 | void (*sync_pir_to_irr)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 902 | int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); |
67253af5 | 903 | int (*get_tdp_level)(void); |
4b12f0de | 904 | u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); |
17cc3935 | 905 | int (*get_lpage_level)(void); |
4e47c7a6 | 906 | bool (*rdtscp_supported)(void); |
ad756a16 | 907 | bool (*invpcid_supported)(void); |
58ea6767 | 908 | void (*adjust_tsc_offset_guest)(struct kvm_vcpu *vcpu, s64 adjustment); |
344f414f | 909 | |
1c97f0a0 JR |
910 | void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); |
911 | ||
d4330ef2 JR |
912 | void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); |
913 | ||
f5f48ee1 SY |
914 | bool (*has_wbinvd_exit)(void); |
915 | ||
ba904635 | 916 | u64 (*read_tsc_offset)(struct kvm_vcpu *vcpu); |
99e3e30a ZA |
917 | void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset); |
918 | ||
886b470c | 919 | u64 (*read_l1_tsc)(struct kvm_vcpu *vcpu, u64 host_tsc); |
857e4099 | 920 | |
586f9607 | 921 | void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2); |
8a76d7f2 JR |
922 | |
923 | int (*check_intercept)(struct kvm_vcpu *vcpu, | |
924 | struct x86_instruction_info *info, | |
925 | enum x86_intercept_stage stage); | |
a547c6db | 926 | void (*handle_external_intr)(struct kvm_vcpu *vcpu); |
da8999d3 | 927 | bool (*mpx_supported)(void); |
55412b2e | 928 | bool (*xsaves_supported)(void); |
b6b8a145 JK |
929 | |
930 | int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); | |
ae97a3b8 RK |
931 | |
932 | void (*sched_in)(struct kvm_vcpu *kvm, int cpu); | |
88178fd4 KH |
933 | |
934 | /* | |
935 | * Arch-specific dirty logging hooks. These hooks are only supposed to | |
936 | * be valid if the specific arch has hardware-accelerated dirty logging | |
937 | * mechanism. Currently only for PML on VMX. | |
938 | * | |
939 | * - slot_enable_log_dirty: | |
940 | * called when enabling log dirty mode for the slot. | |
941 | * - slot_disable_log_dirty: | |
942 | * called when disabling log dirty mode for the slot. | |
943 | * also called when slot is created with log dirty disabled. | |
944 | * - flush_log_dirty: | |
945 | * called before reporting dirty_bitmap to userspace. | |
946 | * - enable_log_dirty_pt_masked: | |
947 | * called when reenabling log dirty for the GFNs in the mask after | |
948 | * corresponding bits are cleared in slot->dirty_bitmap. | |
949 | */ | |
950 | void (*slot_enable_log_dirty)(struct kvm *kvm, | |
951 | struct kvm_memory_slot *slot); | |
952 | void (*slot_disable_log_dirty)(struct kvm *kvm, | |
953 | struct kvm_memory_slot *slot); | |
954 | void (*flush_log_dirty)(struct kvm *kvm); | |
955 | void (*enable_log_dirty_pt_masked)(struct kvm *kvm, | |
956 | struct kvm_memory_slot *slot, | |
957 | gfn_t offset, unsigned long mask); | |
25462f7f WH |
958 | /* pmu operations of sub-arch */ |
959 | const struct kvm_pmu_ops *pmu_ops; | |
efc64404 | 960 | |
bf9f6ac8 FW |
961 | /* |
962 | * Architecture specific hooks for vCPU blocking due to | |
963 | * HLT instruction. | |
964 | * Returns for .pre_block(): | |
965 | * - 0 means continue to block the vCPU. | |
966 | * - 1 means we cannot block the vCPU since some event | |
967 | * happens during this period, such as, 'ON' bit in | |
968 | * posted-interrupts descriptor is set. | |
969 | */ | |
970 | int (*pre_block)(struct kvm_vcpu *vcpu); | |
971 | void (*post_block)(struct kvm_vcpu *vcpu); | |
efc64404 FW |
972 | int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq, |
973 | uint32_t guest_irq, bool set); | |
ea4a5ff8 ZX |
974 | }; |
975 | ||
af585b92 | 976 | struct kvm_arch_async_pf { |
7c90705b | 977 | u32 token; |
af585b92 | 978 | gfn_t gfn; |
fb67e14f | 979 | unsigned long cr3; |
c4806acd | 980 | bool direct_map; |
af585b92 GN |
981 | }; |
982 | ||
97896d04 ZX |
983 | extern struct kvm_x86_ops *kvm_x86_ops; |
984 | ||
54f1585a ZX |
985 | int kvm_mmu_module_init(void); |
986 | void kvm_mmu_module_exit(void); | |
987 | ||
988 | void kvm_mmu_destroy(struct kvm_vcpu *vcpu); | |
989 | int kvm_mmu_create(struct kvm_vcpu *vcpu); | |
8a3c1a33 | 990 | void kvm_mmu_setup(struct kvm_vcpu *vcpu); |
7b52345e | 991 | void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask, |
4b12f0de | 992 | u64 dirty_mask, u64 nx_mask, u64 x_mask); |
54f1585a | 993 | |
8a3c1a33 | 994 | void kvm_mmu_reset_context(struct kvm_vcpu *vcpu); |
1c91cad4 KH |
995 | void kvm_mmu_slot_remove_write_access(struct kvm *kvm, |
996 | struct kvm_memory_slot *memslot); | |
3ea3b7fa | 997 | void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm, |
f36f3f28 | 998 | const struct kvm_memory_slot *memslot); |
f4b4b180 KH |
999 | void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm, |
1000 | struct kvm_memory_slot *memslot); | |
1001 | void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm, | |
1002 | struct kvm_memory_slot *memslot); | |
1003 | void kvm_mmu_slot_set_dirty(struct kvm *kvm, | |
1004 | struct kvm_memory_slot *memslot); | |
1005 | void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm, | |
1006 | struct kvm_memory_slot *slot, | |
1007 | gfn_t gfn_offset, unsigned long mask); | |
54f1585a | 1008 | void kvm_mmu_zap_all(struct kvm *kvm); |
54bf36aa | 1009 | void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots); |
3ad82a7e | 1010 | unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm); |
54f1585a ZX |
1011 | void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); |
1012 | ||
ff03a073 | 1013 | int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3); |
cc4b6871 | 1014 | |
3200f405 | 1015 | int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, |
9f811285 | 1016 | const void *val, int bytes); |
2f333bcb | 1017 | |
6ef768fa PB |
1018 | struct kvm_irq_mask_notifier { |
1019 | void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked); | |
1020 | int irq; | |
1021 | struct hlist_node link; | |
1022 | }; | |
1023 | ||
1024 | void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq, | |
1025 | struct kvm_irq_mask_notifier *kimn); | |
1026 | void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq, | |
1027 | struct kvm_irq_mask_notifier *kimn); | |
1028 | void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, | |
1029 | bool mask); | |
1030 | ||
2f333bcb | 1031 | extern bool tdp_enabled; |
9f811285 | 1032 | |
a3e06bbe LJ |
1033 | u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu); |
1034 | ||
92a1f12d JR |
1035 | /* control of guest tsc rate supported? */ |
1036 | extern bool kvm_has_tsc_control; | |
92a1f12d JR |
1037 | /* maximum supported tsc_khz for guests */ |
1038 | extern u32 kvm_max_guest_tsc_khz; | |
bc9b961b HZ |
1039 | /* number of bits of the fractional part of the TSC scaling ratio */ |
1040 | extern u8 kvm_tsc_scaling_ratio_frac_bits; | |
1041 | /* maximum allowed value of TSC scaling ratio */ | |
1042 | extern u64 kvm_max_tsc_scaling_ratio; | |
92a1f12d | 1043 | |
54f1585a | 1044 | enum emulation_result { |
ac0a48c3 PB |
1045 | EMULATE_DONE, /* no further processing */ |
1046 | EMULATE_USER_EXIT, /* kvm_run ready for userspace exit */ | |
54f1585a ZX |
1047 | EMULATE_FAIL, /* can't emulate this instruction */ |
1048 | }; | |
1049 | ||
571008da SY |
1050 | #define EMULTYPE_NO_DECODE (1 << 0) |
1051 | #define EMULTYPE_TRAP_UD (1 << 1) | |
ba8afb6b | 1052 | #define EMULTYPE_SKIP (1 << 2) |
1cb3f3ae | 1053 | #define EMULTYPE_RETRY (1 << 3) |
991eebf9 | 1054 | #define EMULTYPE_NO_REEXECUTE (1 << 4) |
dc25e89e AP |
1055 | int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, |
1056 | int emulation_type, void *insn, int insn_len); | |
51d8b661 AP |
1057 | |
1058 | static inline int emulate_instruction(struct kvm_vcpu *vcpu, | |
1059 | int emulation_type) | |
1060 | { | |
dc25e89e | 1061 | return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); |
51d8b661 AP |
1062 | } |
1063 | ||
f2b4b7dd | 1064 | void kvm_enable_efer_bits(u64); |
384bb783 | 1065 | bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer); |
609e36d3 | 1066 | int kvm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 1067 | int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); |
54f1585a ZX |
1068 | |
1069 | struct x86_emulate_ctxt; | |
1070 | ||
cf8f70bf | 1071 | int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port); |
54f1585a ZX |
1072 | void kvm_emulate_cpuid(struct kvm_vcpu *vcpu); |
1073 | int kvm_emulate_halt(struct kvm_vcpu *vcpu); | |
5cb56059 | 1074 | int kvm_vcpu_halt(struct kvm_vcpu *vcpu); |
f5f48ee1 | 1075 | int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu); |
54f1585a | 1076 | |
3e6e0aab | 1077 | void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); |
c697518a | 1078 | int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg); |
2b4a273b | 1079 | void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector); |
3e6e0aab | 1080 | |
7f3d35fd KW |
1081 | int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, |
1082 | int reason, bool has_error_code, u32 error_code); | |
37817f29 | 1083 | |
49a9b07e | 1084 | int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); |
2390218b | 1085 | int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3); |
a83b29c6 | 1086 | int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); |
eea1cff9 | 1087 | int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8); |
020df079 GN |
1088 | int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val); |
1089 | int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val); | |
2d3ad1f4 AK |
1090 | unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu); |
1091 | void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw); | |
54f1585a | 1092 | void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l); |
2acf923e | 1093 | int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr); |
54f1585a | 1094 | |
609e36d3 | 1095 | int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 1096 | int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); |
54f1585a | 1097 | |
91586a3b JK |
1098 | unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu); |
1099 | void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); | |
022cd0e8 | 1100 | bool kvm_rdpmc(struct kvm_vcpu *vcpu); |
91586a3b | 1101 | |
298101da AK |
1102 | void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
1103 | void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); | |
ce7ddec4 JR |
1104 | void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
1105 | void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); | |
6389ee94 | 1106 | void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); |
ec92fe44 JR |
1107 | int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, |
1108 | gfn_t gfn, void *data, int offset, int len, | |
1109 | u32 access); | |
0a79b009 | 1110 | bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl); |
16f8a6f9 | 1111 | bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr); |
298101da | 1112 | |
1a577b72 MT |
1113 | static inline int __kvm_irq_line_state(unsigned long *irq_state, |
1114 | int irq_source_id, int level) | |
1115 | { | |
1116 | /* Logical OR for level trig interrupt */ | |
1117 | if (level) | |
1118 | __set_bit(irq_source_id, irq_state); | |
1119 | else | |
1120 | __clear_bit(irq_source_id, irq_state); | |
1121 | ||
1122 | return !!(*irq_state); | |
1123 | } | |
1124 | ||
1125 | int kvm_pic_set_irq(struct kvm_pic *pic, int irq, int irq_source_id, int level); | |
1126 | void kvm_pic_clear_all(struct kvm_pic *pic, int irq_source_id); | |
3de42dc0 | 1127 | |
3419ffc8 SY |
1128 | void kvm_inject_nmi(struct kvm_vcpu *vcpu); |
1129 | ||
54f1585a | 1130 | void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, |
f57f2ef5 | 1131 | const u8 *new, int bytes); |
1cb3f3ae | 1132 | int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn); |
54f1585a ZX |
1133 | int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); |
1134 | void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); | |
1135 | int kvm_mmu_load(struct kvm_vcpu *vcpu); | |
1136 | void kvm_mmu_unload(struct kvm_vcpu *vcpu); | |
0ba73cda | 1137 | void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu); |
54987b7a PB |
1138 | gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
1139 | struct x86_exception *exception); | |
ab9ae313 AK |
1140 | gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, |
1141 | struct x86_exception *exception); | |
1142 | gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, | |
1143 | struct x86_exception *exception); | |
1144 | gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, | |
1145 | struct x86_exception *exception); | |
1146 | gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, | |
1147 | struct x86_exception *exception); | |
54f1585a | 1148 | |
d62caabb AS |
1149 | void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu); |
1150 | ||
54f1585a ZX |
1151 | int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); |
1152 | ||
dc25e89e AP |
1153 | int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
1154 | void *insn, int insn_len); | |
a7052897 | 1155 | void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); |
d8d173da | 1156 | void kvm_mmu_new_cr3(struct kvm_vcpu *vcpu); |
34c16eec | 1157 | |
18552672 | 1158 | void kvm_enable_tdp(void); |
5f4cb662 | 1159 | void kvm_disable_tdp(void); |
18552672 | 1160 | |
54987b7a PB |
1161 | static inline gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
1162 | struct x86_exception *exception) | |
e459e322 XG |
1163 | { |
1164 | return gpa; | |
1165 | } | |
1166 | ||
ec6d273d ZX |
1167 | static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) |
1168 | { | |
1169 | struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); | |
1170 | ||
1171 | return (struct kvm_mmu_page *)page_private(page); | |
1172 | } | |
1173 | ||
d6e88aec | 1174 | static inline u16 kvm_read_ldt(void) |
ec6d273d ZX |
1175 | { |
1176 | u16 ldt; | |
1177 | asm("sldt %0" : "=g"(ldt)); | |
1178 | return ldt; | |
1179 | } | |
1180 | ||
d6e88aec | 1181 | static inline void kvm_load_ldt(u16 sel) |
ec6d273d ZX |
1182 | { |
1183 | asm("lldt %0" : : "rm"(sel)); | |
1184 | } | |
ec6d273d | 1185 | |
ec6d273d ZX |
1186 | #ifdef CONFIG_X86_64 |
1187 | static inline unsigned long read_msr(unsigned long msr) | |
1188 | { | |
1189 | u64 value; | |
1190 | ||
1191 | rdmsrl(msr, value); | |
1192 | return value; | |
1193 | } | |
1194 | #endif | |
1195 | ||
ec6d273d ZX |
1196 | static inline u32 get_rdx_init_val(void) |
1197 | { | |
1198 | return 0x600; /* P6 family */ | |
1199 | } | |
1200 | ||
c1a5d4f9 AK |
1201 | static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code) |
1202 | { | |
1203 | kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); | |
1204 | } | |
1205 | ||
854e8bb1 NA |
1206 | static inline u64 get_canonical(u64 la) |
1207 | { | |
1208 | return ((int64_t)la << 16) >> 16; | |
1209 | } | |
1210 | ||
1211 | static inline bool is_noncanonical_address(u64 la) | |
1212 | { | |
1213 | #ifdef CONFIG_X86_64 | |
1214 | return get_canonical(la) != la; | |
1215 | #else | |
1216 | return false; | |
1217 | #endif | |
1218 | } | |
1219 | ||
ec6d273d ZX |
1220 | #define TSS_IOPB_BASE_OFFSET 0x66 |
1221 | #define TSS_BASE_SIZE 0x68 | |
1222 | #define TSS_IOPB_SIZE (65536 / 8) | |
1223 | #define TSS_REDIRECTION_SIZE (256 / 8) | |
7d76b4d3 JP |
1224 | #define RMODE_TSS_SIZE \ |
1225 | (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) | |
53e0aa7b | 1226 | |
37817f29 IE |
1227 | enum { |
1228 | TASK_SWITCH_CALL = 0, | |
1229 | TASK_SWITCH_IRET = 1, | |
1230 | TASK_SWITCH_JMP = 2, | |
1231 | TASK_SWITCH_GATE = 3, | |
1232 | }; | |
1233 | ||
1371d904 | 1234 | #define HF_GIF_MASK (1 << 0) |
3d6368ef AG |
1235 | #define HF_HIF_MASK (1 << 1) |
1236 | #define HF_VINTR_MASK (1 << 2) | |
95ba8273 | 1237 | #define HF_NMI_MASK (1 << 3) |
44c11430 | 1238 | #define HF_IRET_MASK (1 << 4) |
ec9e60b2 | 1239 | #define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ |
f077825a PB |
1240 | #define HF_SMM_MASK (1 << 6) |
1241 | #define HF_SMM_INSIDE_NMI_MASK (1 << 7) | |
1371d904 | 1242 | |
699023e2 PB |
1243 | #define __KVM_VCPU_MULTIPLE_ADDRESS_SPACE |
1244 | #define KVM_ADDRESS_SPACE_NUM 2 | |
1245 | ||
1246 | #define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0) | |
1247 | #define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm) | |
1371d904 | 1248 | |
4ecac3fd AK |
1249 | /* |
1250 | * Hardware virtualization extension instructions may fault if a | |
1251 | * reboot turns off virtualization while processes are running. | |
1252 | * Trap the fault and ignore the instruction if that happens. | |
1253 | */ | |
b7c4145b | 1254 | asmlinkage void kvm_spurious_fault(void); |
4ecac3fd | 1255 | |
5e520e62 | 1256 | #define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ |
4ecac3fd | 1257 | "666: " insn "\n\t" \ |
b7c4145b | 1258 | "668: \n\t" \ |
18b13e54 | 1259 | ".pushsection .fixup, \"ax\" \n" \ |
4ecac3fd | 1260 | "667: \n\t" \ |
5e520e62 | 1261 | cleanup_insn "\n\t" \ |
b7c4145b AK |
1262 | "cmpb $0, kvm_rebooting \n\t" \ |
1263 | "jne 668b \n\t" \ | |
8ceed347 | 1264 | __ASM_SIZE(push) " $666b \n\t" \ |
b7c4145b | 1265 | "call kvm_spurious_fault \n\t" \ |
4ecac3fd | 1266 | ".popsection \n\t" \ |
3ee89722 | 1267 | _ASM_EXTABLE(666b, 667b) |
4ecac3fd | 1268 | |
5e520e62 AK |
1269 | #define __kvm_handle_fault_on_reboot(insn) \ |
1270 | ____kvm_handle_fault_on_reboot(insn, "") | |
1271 | ||
e930bffe AA |
1272 | #define KVM_ARCH_WANT_MMU_NOTIFIER |
1273 | int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); | |
b3ae2096 | 1274 | int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end); |
57128468 | 1275 | int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); |
8ee53820 | 1276 | int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); |
3da0dd43 | 1277 | void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); |
c7c9c56c | 1278 | int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v); |
a1b37100 GN |
1279 | int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu); |
1280 | int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu); | |
0b71785d | 1281 | int kvm_cpu_get_interrupt(struct kvm_vcpu *v); |
d28bc9dd | 1282 | void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event); |
4256f43f | 1283 | void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu); |
fe71557a TC |
1284 | void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, |
1285 | unsigned long address); | |
e930bffe | 1286 | |
18863bdd | 1287 | void kvm_define_shared_msr(unsigned index, u32 msr); |
8b3c3104 | 1288 | int kvm_set_shared_msr(unsigned index, u64 val, u64 mask); |
18863bdd | 1289 | |
35181e86 | 1290 | u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc); |
4ba76538 | 1291 | u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc); |
35181e86 | 1292 | |
82b32774 | 1293 | unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu); |
f92653ee JK |
1294 | bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip); |
1295 | ||
2860c4b1 PB |
1296 | void kvm_make_mclock_inprogress_request(struct kvm *kvm); |
1297 | void kvm_make_scan_ioapic_request(struct kvm *kvm); | |
1298 | ||
af585b92 GN |
1299 | void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, |
1300 | struct kvm_async_pf *work); | |
1301 | void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, | |
1302 | struct kvm_async_pf *work); | |
56028d08 GN |
1303 | void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, |
1304 | struct kvm_async_pf *work); | |
7c90705b | 1305 | bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); |
af585b92 GN |
1306 | extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
1307 | ||
db8fcefa AP |
1308 | void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err); |
1309 | ||
f5132b01 GN |
1310 | int kvm_is_in_guest(void); |
1311 | ||
1d8007bd PB |
1312 | int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size); |
1313 | int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size); | |
d71ba788 PB |
1314 | bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu); |
1315 | bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu); | |
f5132b01 | 1316 | |
8feb4a04 FW |
1317 | bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq, |
1318 | struct kvm_vcpu **dest_vcpu); | |
1319 | ||
d84f1e07 FW |
1320 | void kvm_set_msi_irq(struct kvm_kernel_irq_routing_entry *e, |
1321 | struct kvm_lapic_irq *irq); | |
197a4f4b | 1322 | |
3217f7c2 CD |
1323 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} |
1324 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} | |
1325 | ||
1965aae3 | 1326 | #endif /* _ASM_X86_KVM_HOST_H */ |