Commit | Line | Data |
---|---|---|
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 | |
7d669f50 | 30 | #include <asm/apic.h> |
50d0a0f9 | 31 | #include <asm/pvclock-abi.h> |
e01a1b57 | 32 | #include <asm/desc.h> |
0bed3b56 | 33 | #include <asm/mtrr.h> |
9962d032 | 34 | #include <asm/msr-index.h> |
3ee89722 | 35 | #include <asm/asm.h> |
21ebbeda | 36 | #include <asm/kvm_page_track.h> |
e01a1b57 | 37 | |
682f732e | 38 | #define KVM_MAX_VCPUS 288 |
757883de | 39 | #define KVM_SOFT_MAX_VCPUS 240 |
af1bae54 | 40 | #define KVM_MAX_VCPU_ID 1023 |
1d4e7e3c | 41 | #define KVM_USER_MEM_SLOTS 509 |
0743247f AW |
42 | /* memory slots that are not exposed to userspace */ |
43 | #define KVM_PRIVATE_MEM_SLOTS 3 | |
bbacc0c1 | 44 | #define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS) |
93a5cef0 | 45 | |
69a9f69b | 46 | #define KVM_PIO_PAGE_OFFSET 1 |
542472b5 | 47 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 |
14ebda33 | 48 | #define KVM_HALT_POLL_NS_DEFAULT 400000 |
69a9f69b | 49 | |
8175e5b7 AG |
50 | #define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS |
51 | ||
2860c4b1 PB |
52 | /* x86-specific vcpu->requests bit members */ |
53 | #define KVM_REQ_MIGRATE_TIMER 8 | |
54 | #define KVM_REQ_REPORT_TPR_ACCESS 9 | |
55 | #define KVM_REQ_TRIPLE_FAULT 10 | |
56 | #define KVM_REQ_MMU_SYNC 11 | |
57 | #define KVM_REQ_CLOCK_UPDATE 12 | |
58 | #define KVM_REQ_DEACTIVATE_FPU 13 | |
59 | #define KVM_REQ_EVENT 14 | |
60 | #define KVM_REQ_APF_HALT 15 | |
61 | #define KVM_REQ_STEAL_UPDATE 16 | |
62 | #define KVM_REQ_NMI 17 | |
63 | #define KVM_REQ_PMU 18 | |
64 | #define KVM_REQ_PMI 19 | |
65 | #define KVM_REQ_SMI 20 | |
66 | #define KVM_REQ_MASTERCLOCK_UPDATE 21 | |
67 | #define KVM_REQ_MCLOCK_INPROGRESS 22 | |
68 | #define KVM_REQ_SCAN_IOAPIC 23 | |
69 | #define KVM_REQ_GLOBAL_CLOCK_UPDATE 24 | |
70 | #define KVM_REQ_APIC_PAGE_RELOAD 25 | |
71 | #define KVM_REQ_HV_CRASH 26 | |
72 | #define KVM_REQ_IOAPIC_EOI_EXIT 27 | |
73 | #define KVM_REQ_HV_RESET 28 | |
74 | #define KVM_REQ_HV_EXIT 29 | |
75 | #define KVM_REQ_HV_STIMER 30 | |
76 | ||
cfec82cb JR |
77 | #define CR0_RESERVED_BITS \ |
78 | (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ | |
79 | | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ | |
80 | | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) | |
81 | ||
346874c9 | 82 | #define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL |
cfaa790a | 83 | #define CR3_PCID_INVD BIT_64(63) |
cfec82cb JR |
84 | #define CR4_RESERVED_BITS \ |
85 | (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ | |
86 | | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ | |
ad756a16 | 87 | | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \ |
afcbf13f | 88 | | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \ |
b9baba86 HH |
89 | | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE | X86_CR4_SMAP \ |
90 | | X86_CR4_PKE)) | |
cfec82cb JR |
91 | |
92 | #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) | |
93 | ||
94 | ||
cd6e8f87 | 95 | |
cd6e8f87 | 96 | #define INVALID_PAGE (~(hpa_t)0) |
dd180b3e XG |
97 | #define VALID_PAGE(x) ((x) != INVALID_PAGE) |
98 | ||
cd6e8f87 ZX |
99 | #define UNMAPPED_GVA (~(gpa_t)0) |
100 | ||
ec04b260 | 101 | /* KVM Hugepage definitions for x86 */ |
04326caa | 102 | #define KVM_NR_PAGE_SIZES 3 |
82855413 JR |
103 | #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) |
104 | #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) | |
ec04b260 JR |
105 | #define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) |
106 | #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) | |
107 | #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) | |
05da4558 | 108 | |
6d9d41e5 CD |
109 | static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) |
110 | { | |
111 | /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */ | |
112 | return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) - | |
113 | (base_gfn >> KVM_HPAGE_GFN_SHIFT(level)); | |
114 | } | |
115 | ||
d657a98e ZX |
116 | #define KVM_PERMILLE_MMU_PAGES 20 |
117 | #define KVM_MIN_ALLOC_MMU_PAGES 64 | |
1ae0a13d DE |
118 | #define KVM_MMU_HASH_SHIFT 10 |
119 | #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT) | |
d657a98e ZX |
120 | #define KVM_MIN_FREE_MMU_PAGES 5 |
121 | #define KVM_REFILL_PAGES 25 | |
73c1160c | 122 | #define KVM_MAX_CPUID_ENTRIES 80 |
0bed3b56 | 123 | #define KVM_NR_FIXED_MTRR_REGION 88 |
0d234daf | 124 | #define KVM_NR_VAR_MTRR 8 |
d657a98e | 125 | |
af585b92 GN |
126 | #define ASYNC_PF_PER_VCPU 64 |
127 | ||
5fdbf976 | 128 | enum kvm_reg { |
2b3ccfa0 ZX |
129 | VCPU_REGS_RAX = 0, |
130 | VCPU_REGS_RCX = 1, | |
131 | VCPU_REGS_RDX = 2, | |
132 | VCPU_REGS_RBX = 3, | |
133 | VCPU_REGS_RSP = 4, | |
134 | VCPU_REGS_RBP = 5, | |
135 | VCPU_REGS_RSI = 6, | |
136 | VCPU_REGS_RDI = 7, | |
137 | #ifdef CONFIG_X86_64 | |
138 | VCPU_REGS_R8 = 8, | |
139 | VCPU_REGS_R9 = 9, | |
140 | VCPU_REGS_R10 = 10, | |
141 | VCPU_REGS_R11 = 11, | |
142 | VCPU_REGS_R12 = 12, | |
143 | VCPU_REGS_R13 = 13, | |
144 | VCPU_REGS_R14 = 14, | |
145 | VCPU_REGS_R15 = 15, | |
146 | #endif | |
5fdbf976 | 147 | VCPU_REGS_RIP, |
2b3ccfa0 ZX |
148 | NR_VCPU_REGS |
149 | }; | |
150 | ||
6de4f3ad AK |
151 | enum kvm_reg_ex { |
152 | VCPU_EXREG_PDPTR = NR_VCPU_REGS, | |
aff48baa | 153 | VCPU_EXREG_CR3, |
6de12732 | 154 | VCPU_EXREG_RFLAGS, |
2fb92db1 | 155 | VCPU_EXREG_SEGMENTS, |
6de4f3ad AK |
156 | }; |
157 | ||
2b3ccfa0 | 158 | enum { |
81609e3e | 159 | VCPU_SREG_ES, |
2b3ccfa0 | 160 | VCPU_SREG_CS, |
81609e3e | 161 | VCPU_SREG_SS, |
2b3ccfa0 | 162 | VCPU_SREG_DS, |
2b3ccfa0 ZX |
163 | VCPU_SREG_FS, |
164 | VCPU_SREG_GS, | |
2b3ccfa0 ZX |
165 | VCPU_SREG_TR, |
166 | VCPU_SREG_LDTR, | |
167 | }; | |
168 | ||
56e82318 | 169 | #include <asm/kvm_emulate.h> |
2b3ccfa0 | 170 | |
d657a98e ZX |
171 | #define KVM_NR_MEM_OBJS 40 |
172 | ||
42dbaa5a JK |
173 | #define KVM_NR_DB_REGS 4 |
174 | ||
175 | #define DR6_BD (1 << 13) | |
176 | #define DR6_BS (1 << 14) | |
6f43ed01 NA |
177 | #define DR6_RTM (1 << 16) |
178 | #define DR6_FIXED_1 0xfffe0ff0 | |
179 | #define DR6_INIT 0xffff0ff0 | |
180 | #define DR6_VOLATILE 0x0001e00f | |
42dbaa5a JK |
181 | |
182 | #define DR7_BP_EN_MASK 0x000000ff | |
183 | #define DR7_GE (1 << 9) | |
184 | #define DR7_GD (1 << 13) | |
185 | #define DR7_FIXED_1 0x00000400 | |
6f43ed01 | 186 | #define DR7_VOLATILE 0xffff2bff |
42dbaa5a | 187 | |
c205fb7d NA |
188 | #define PFERR_PRESENT_BIT 0 |
189 | #define PFERR_WRITE_BIT 1 | |
190 | #define PFERR_USER_BIT 2 | |
191 | #define PFERR_RSVD_BIT 3 | |
192 | #define PFERR_FETCH_BIT 4 | |
be94f6b7 | 193 | #define PFERR_PK_BIT 5 |
c205fb7d NA |
194 | |
195 | #define PFERR_PRESENT_MASK (1U << PFERR_PRESENT_BIT) | |
196 | #define PFERR_WRITE_MASK (1U << PFERR_WRITE_BIT) | |
197 | #define PFERR_USER_MASK (1U << PFERR_USER_BIT) | |
198 | #define PFERR_RSVD_MASK (1U << PFERR_RSVD_BIT) | |
199 | #define PFERR_FETCH_MASK (1U << PFERR_FETCH_BIT) | |
be94f6b7 | 200 | #define PFERR_PK_MASK (1U << PFERR_PK_BIT) |
c205fb7d | 201 | |
41383771 GN |
202 | /* apic attention bits */ |
203 | #define KVM_APIC_CHECK_VAPIC 0 | |
ae7a2a3f MT |
204 | /* |
205 | * The following bit is set with PV-EOI, unset on EOI. | |
206 | * We detect PV-EOI changes by guest by comparing | |
207 | * this bit with PV-EOI in guest memory. | |
208 | * See the implementation in apic_update_pv_eoi. | |
209 | */ | |
210 | #define KVM_APIC_PV_EOI_PENDING 1 | |
41383771 | 211 | |
d84f1e07 FW |
212 | struct kvm_kernel_irq_routing_entry; |
213 | ||
d657a98e ZX |
214 | /* |
215 | * We don't want allocation failures within the mmu code, so we preallocate | |
216 | * enough memory for a single page fault in a cache. | |
217 | */ | |
218 | struct kvm_mmu_memory_cache { | |
219 | int nobjs; | |
220 | void *objects[KVM_NR_MEM_OBJS]; | |
221 | }; | |
222 | ||
21ebbeda XG |
223 | /* |
224 | * the pages used as guest page table on soft mmu are tracked by | |
225 | * kvm_memory_slot.arch.gfn_track which is 16 bits, so the role bits used | |
226 | * by indirect shadow page can not be more than 15 bits. | |
227 | * | |
228 | * Currently, we used 14 bits that are @level, @cr4_pae, @quadrant, @access, | |
229 | * @nxe, @cr0_wp, @smep_andnot_wp and @smap_andnot_wp. | |
230 | */ | |
d657a98e ZX |
231 | union kvm_mmu_page_role { |
232 | unsigned word; | |
233 | struct { | |
7d76b4d3 | 234 | unsigned level:4; |
5b7e0102 | 235 | unsigned cr4_pae:1; |
7d76b4d3 | 236 | unsigned quadrant:2; |
f6e2c02b | 237 | unsigned direct:1; |
7d76b4d3 | 238 | unsigned access:3; |
2e53d63a | 239 | unsigned invalid:1; |
9645bb56 | 240 | unsigned nxe:1; |
3dbe1415 | 241 | unsigned cr0_wp:1; |
411c588d | 242 | unsigned smep_andnot_wp:1; |
0be0226f | 243 | unsigned smap_andnot_wp:1; |
699023e2 PB |
244 | unsigned :8; |
245 | ||
246 | /* | |
247 | * This is left at the top of the word so that | |
248 | * kvm_memslots_for_spte_role can extract it with a | |
249 | * simple shift. While there is room, give it a whole | |
250 | * byte so it is also faster to load it from memory. | |
251 | */ | |
252 | unsigned smm:8; | |
d657a98e ZX |
253 | }; |
254 | }; | |
255 | ||
018aabb5 TY |
256 | struct kvm_rmap_head { |
257 | unsigned long val; | |
258 | }; | |
259 | ||
d657a98e ZX |
260 | struct kvm_mmu_page { |
261 | struct list_head link; | |
262 | struct hlist_node hash_link; | |
263 | ||
264 | /* | |
265 | * The following two entries are used to key the shadow page in the | |
266 | * hash table. | |
267 | */ | |
268 | gfn_t gfn; | |
269 | union kvm_mmu_page_role role; | |
270 | ||
271 | u64 *spt; | |
272 | /* hold the gfn of each spte inside spt */ | |
273 | gfn_t *gfns; | |
4731d4c7 | 274 | bool unsync; |
0571d366 | 275 | int root_count; /* Currently serving as active root */ |
60c8aec6 | 276 | unsigned int unsync_children; |
018aabb5 | 277 | struct kvm_rmap_head parent_ptes; /* rmap pointers to parent sptes */ |
f6f8adee XG |
278 | |
279 | /* The page is obsolete if mmu_valid_gen != kvm->arch.mmu_valid_gen. */ | |
5304b8d3 | 280 | unsigned long mmu_valid_gen; |
f6f8adee | 281 | |
0074ff63 | 282 | DECLARE_BITMAP(unsync_child_bitmap, 512); |
c2a2ac2b XG |
283 | |
284 | #ifdef CONFIG_X86_32 | |
accaefe0 XG |
285 | /* |
286 | * Used out of the mmu-lock to avoid reading spte values while an | |
287 | * update is in progress; see the comments in __get_spte_lockless(). | |
288 | */ | |
c2a2ac2b XG |
289 | int clear_spte_count; |
290 | #endif | |
291 | ||
0cbf8e43 | 292 | /* Number of writes since the last time traversal visited this page. */ |
e5691a81 | 293 | atomic_t write_flooding_count; |
d657a98e ZX |
294 | }; |
295 | ||
1c08364c AK |
296 | struct kvm_pio_request { |
297 | unsigned long count; | |
1c08364c AK |
298 | int in; |
299 | int port; | |
300 | int size; | |
1c08364c AK |
301 | }; |
302 | ||
a0a64f50 XG |
303 | struct rsvd_bits_validate { |
304 | u64 rsvd_bits_mask[2][4]; | |
305 | u64 bad_mt_xwr; | |
306 | }; | |
307 | ||
d657a98e ZX |
308 | /* |
309 | * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level | |
310 | * 32-bit). The kvm_mmu structure abstracts the details of the current mmu | |
311 | * mode. | |
312 | */ | |
313 | struct kvm_mmu { | |
f43addd4 | 314 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); |
5777ed34 | 315 | unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); |
e4e517b4 | 316 | u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index); |
78b2c54a XG |
317 | int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, |
318 | bool prefault); | |
6389ee94 AK |
319 | void (*inject_page_fault)(struct kvm_vcpu *vcpu, |
320 | struct x86_exception *fault); | |
1871c602 | 321 | gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, |
ab9ae313 | 322 | struct x86_exception *exception); |
54987b7a PB |
323 | gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
324 | struct x86_exception *exception); | |
e8bc217a | 325 | int (*sync_page)(struct kvm_vcpu *vcpu, |
a4a8e6f7 | 326 | struct kvm_mmu_page *sp); |
a7052897 | 327 | void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); |
0f53b5b1 | 328 | void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, |
7c562522 | 329 | u64 *spte, const void *pte); |
d657a98e ZX |
330 | hpa_t root_hpa; |
331 | int root_level; | |
332 | int shadow_root_level; | |
a770f6f2 | 333 | union kvm_mmu_page_role base_role; |
c5a78f2b | 334 | bool direct_map; |
d657a98e | 335 | |
97d64b78 AK |
336 | /* |
337 | * Bitmap; bit set = permission fault | |
338 | * Byte index: page fault error code [4:1] | |
339 | * Bit index: pte permissions in ACC_* format | |
340 | */ | |
341 | u8 permissions[16]; | |
342 | ||
2d344105 HH |
343 | /* |
344 | * The pkru_mask indicates if protection key checks are needed. It | |
345 | * consists of 16 domains indexed by page fault error code bits [4:1], | |
346 | * with PFEC.RSVD replaced by ACC_USER_MASK from the page tables. | |
347 | * Each domain has 2 bits which are ANDed with AD and WD from PKRU. | |
348 | */ | |
349 | u32 pkru_mask; | |
350 | ||
d657a98e | 351 | u64 *pae_root; |
81407ca5 | 352 | u64 *lm_root; |
c258b62b XG |
353 | |
354 | /* | |
355 | * check zero bits on shadow page table entries, these | |
356 | * bits include not only hardware reserved bits but also | |
357 | * the bits spte never used. | |
358 | */ | |
359 | struct rsvd_bits_validate shadow_zero_check; | |
360 | ||
a0a64f50 | 361 | struct rsvd_bits_validate guest_rsvd_check; |
ff03a073 | 362 | |
6bb69c9b PB |
363 | /* Can have large pages at levels 2..last_nonleaf_level-1. */ |
364 | u8 last_nonleaf_level; | |
6fd01b71 | 365 | |
2d48a985 JR |
366 | bool nx; |
367 | ||
ff03a073 | 368 | u64 pdptrs[4]; /* pae */ |
d657a98e ZX |
369 | }; |
370 | ||
f5132b01 GN |
371 | enum pmc_type { |
372 | KVM_PMC_GP = 0, | |
373 | KVM_PMC_FIXED, | |
374 | }; | |
375 | ||
376 | struct kvm_pmc { | |
377 | enum pmc_type type; | |
378 | u8 idx; | |
379 | u64 counter; | |
380 | u64 eventsel; | |
381 | struct perf_event *perf_event; | |
382 | struct kvm_vcpu *vcpu; | |
383 | }; | |
384 | ||
385 | struct kvm_pmu { | |
386 | unsigned nr_arch_gp_counters; | |
387 | unsigned nr_arch_fixed_counters; | |
388 | unsigned available_event_types; | |
389 | u64 fixed_ctr_ctrl; | |
390 | u64 global_ctrl; | |
391 | u64 global_status; | |
392 | u64 global_ovf_ctrl; | |
393 | u64 counter_bitmask[2]; | |
394 | u64 global_ctrl_mask; | |
103af0a9 | 395 | u64 reserved_bits; |
f5132b01 | 396 | u8 version; |
15c7ad51 RR |
397 | struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC]; |
398 | struct kvm_pmc fixed_counters[INTEL_PMC_MAX_FIXED]; | |
f5132b01 GN |
399 | struct irq_work irq_work; |
400 | u64 reprogram_pmi; | |
401 | }; | |
402 | ||
25462f7f WH |
403 | struct kvm_pmu_ops; |
404 | ||
360b948d PB |
405 | enum { |
406 | KVM_DEBUGREG_BP_ENABLED = 1, | |
c77fb5fe | 407 | KVM_DEBUGREG_WONT_EXIT = 2, |
ae561ede | 408 | KVM_DEBUGREG_RELOAD = 4, |
360b948d PB |
409 | }; |
410 | ||
86fd5270 XG |
411 | struct kvm_mtrr_range { |
412 | u64 base; | |
413 | u64 mask; | |
19efffa2 | 414 | struct list_head node; |
86fd5270 XG |
415 | }; |
416 | ||
70109e7d | 417 | struct kvm_mtrr { |
86fd5270 | 418 | struct kvm_mtrr_range var_ranges[KVM_NR_VAR_MTRR]; |
70109e7d | 419 | mtrr_type fixed_ranges[KVM_NR_FIXED_MTRR_REGION]; |
10fac2dc | 420 | u64 deftype; |
19efffa2 XG |
421 | |
422 | struct list_head head; | |
70109e7d XG |
423 | }; |
424 | ||
1f4b34f8 AS |
425 | /* Hyper-V SynIC timer */ |
426 | struct kvm_vcpu_hv_stimer { | |
427 | struct hrtimer timer; | |
428 | int index; | |
429 | u64 config; | |
430 | u64 count; | |
431 | u64 exp_time; | |
432 | struct hv_message msg; | |
433 | bool msg_pending; | |
434 | }; | |
435 | ||
5c919412 AS |
436 | /* Hyper-V synthetic interrupt controller (SynIC)*/ |
437 | struct kvm_vcpu_hv_synic { | |
438 | u64 version; | |
439 | u64 control; | |
440 | u64 msg_page; | |
441 | u64 evt_page; | |
442 | atomic64_t sint[HV_SYNIC_SINT_COUNT]; | |
443 | atomic_t sint_to_gsi[HV_SYNIC_SINT_COUNT]; | |
444 | DECLARE_BITMAP(auto_eoi_bitmap, 256); | |
445 | DECLARE_BITMAP(vec_bitmap, 256); | |
446 | bool active; | |
447 | }; | |
448 | ||
e83d5887 AS |
449 | /* Hyper-V per vcpu emulation context */ |
450 | struct kvm_vcpu_hv { | |
451 | u64 hv_vapic; | |
9eec50b8 | 452 | s64 runtime_offset; |
5c919412 | 453 | struct kvm_vcpu_hv_synic synic; |
db397571 | 454 | struct kvm_hyperv_exit exit; |
1f4b34f8 AS |
455 | struct kvm_vcpu_hv_stimer stimer[HV_SYNIC_STIMER_COUNT]; |
456 | DECLARE_BITMAP(stimer_pending_bitmap, HV_SYNIC_STIMER_COUNT); | |
e83d5887 AS |
457 | }; |
458 | ||
ad312c7c | 459 | struct kvm_vcpu_arch { |
5fdbf976 MT |
460 | /* |
461 | * rip and regs accesses must go through | |
462 | * kvm_{register,rip}_{read,write} functions. | |
463 | */ | |
464 | unsigned long regs[NR_VCPU_REGS]; | |
465 | u32 regs_avail; | |
466 | u32 regs_dirty; | |
34c16eec ZX |
467 | |
468 | unsigned long cr0; | |
e8467fda | 469 | unsigned long cr0_guest_owned_bits; |
34c16eec ZX |
470 | unsigned long cr2; |
471 | unsigned long cr3; | |
472 | unsigned long cr4; | |
fc78f519 | 473 | unsigned long cr4_guest_owned_bits; |
34c16eec | 474 | unsigned long cr8; |
1371d904 | 475 | u32 hflags; |
f6801dff | 476 | u64 efer; |
34c16eec ZX |
477 | u64 apic_base; |
478 | struct kvm_lapic *apic; /* kernel irqchip context */ | |
d62caabb | 479 | bool apicv_active; |
6308630b | 480 | DECLARE_BITMAP(ioapic_handled_vectors, 256); |
41383771 | 481 | unsigned long apic_attention; |
e1035715 | 482 | int32_t apic_arb_prio; |
34c16eec | 483 | int mp_state; |
34c16eec | 484 | u64 ia32_misc_enable_msr; |
64d60670 | 485 | u64 smbase; |
b209749f | 486 | bool tpr_access_reporting; |
20300099 | 487 | u64 ia32_xss; |
34c16eec | 488 | |
14dfe855 JR |
489 | /* |
490 | * Paging state of the vcpu | |
491 | * | |
492 | * If the vcpu runs in guest mode with two level paging this still saves | |
493 | * the paging mode of the l1 guest. This context is always used to | |
494 | * handle faults. | |
495 | */ | |
34c16eec | 496 | struct kvm_mmu mmu; |
8df25a32 | 497 | |
6539e738 JR |
498 | /* |
499 | * Paging state of an L2 guest (used for nested npt) | |
500 | * | |
501 | * This context will save all necessary information to walk page tables | |
502 | * of the an L2 guest. This context is only initialized for page table | |
503 | * walking and not for faulting since we never handle l2 page faults on | |
504 | * the host. | |
505 | */ | |
506 | struct kvm_mmu nested_mmu; | |
507 | ||
14dfe855 JR |
508 | /* |
509 | * Pointer to the mmu context currently used for | |
510 | * gva_to_gpa translations. | |
511 | */ | |
512 | struct kvm_mmu *walk_mmu; | |
513 | ||
53c07b18 | 514 | struct kvm_mmu_memory_cache mmu_pte_list_desc_cache; |
34c16eec ZX |
515 | struct kvm_mmu_memory_cache mmu_page_cache; |
516 | struct kvm_mmu_memory_cache mmu_page_header_cache; | |
517 | ||
98918833 | 518 | struct fpu guest_fpu; |
2acf923e | 519 | u64 xcr0; |
d7876f1b | 520 | u64 guest_supported_xcr0; |
4344ee98 | 521 | u32 guest_xstate_size; |
34c16eec | 522 | |
34c16eec ZX |
523 | struct kvm_pio_request pio; |
524 | void *pio_data; | |
525 | ||
66fd3f7f GN |
526 | u8 event_exit_inst_len; |
527 | ||
298101da AK |
528 | struct kvm_queued_exception { |
529 | bool pending; | |
530 | bool has_error_code; | |
ce7ddec4 | 531 | bool reinject; |
298101da AK |
532 | u8 nr; |
533 | u32 error_code; | |
534 | } exception; | |
535 | ||
937a7eae AK |
536 | struct kvm_queued_interrupt { |
537 | bool pending; | |
66fd3f7f | 538 | bool soft; |
937a7eae AK |
539 | u8 nr; |
540 | } interrupt; | |
541 | ||
34c16eec ZX |
542 | int halt_request; /* real mode on Intel only */ |
543 | ||
544 | int cpuid_nent; | |
07716717 | 545 | struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES]; |
5a4f55cd EK |
546 | |
547 | int maxphyaddr; | |
548 | ||
34c16eec ZX |
549 | /* emulate context */ |
550 | ||
551 | struct x86_emulate_ctxt emulate_ctxt; | |
7ae441ea GN |
552 | bool emulate_regs_need_sync_to_vcpu; |
553 | bool emulate_regs_need_sync_from_vcpu; | |
716d51ab | 554 | int (*complete_userspace_io)(struct kvm_vcpu *vcpu); |
18068523 GOC |
555 | |
556 | gpa_t time; | |
50d0a0f9 | 557 | struct pvclock_vcpu_time_info hv_clock; |
e48672fa | 558 | unsigned int hw_tsc_khz; |
0b79459b AH |
559 | struct gfn_to_hva_cache pv_time; |
560 | bool pv_time_enabled; | |
51d59c6b MT |
561 | /* set guest stopped flag in pvclock flags field */ |
562 | bool pvclock_set_guest_stopped_request; | |
c9aaa895 GC |
563 | |
564 | struct { | |
565 | u64 msr_val; | |
566 | u64 last_steal; | |
c9aaa895 GC |
567 | struct gfn_to_hva_cache stime; |
568 | struct kvm_steal_time steal; | |
569 | } st; | |
570 | ||
1d5f066e | 571 | u64 last_guest_tsc; |
6f526ec5 | 572 | u64 last_host_tsc; |
0dd6a6ed | 573 | u64 tsc_offset_adjustment; |
e26101b1 ZA |
574 | u64 this_tsc_nsec; |
575 | u64 this_tsc_write; | |
0d3da0d2 | 576 | u64 this_tsc_generation; |
c285545f | 577 | bool tsc_catchup; |
cc578287 ZA |
578 | bool tsc_always_catchup; |
579 | s8 virtual_tsc_shift; | |
580 | u32 virtual_tsc_mult; | |
581 | u32 virtual_tsc_khz; | |
ba904635 | 582 | s64 ia32_tsc_adjust_msr; |
ad721883 | 583 | u64 tsc_scaling_ratio; |
3419ffc8 | 584 | |
7460fb4a AK |
585 | atomic_t nmi_queued; /* unprocessed asynchronous NMIs */ |
586 | unsigned nmi_pending; /* NMI queued after currently running handler */ | |
587 | bool nmi_injected; /* Trying to inject an NMI this entry */ | |
f077825a | 588 | bool smi_pending; /* SMI queued after currently running handler */ |
9ba075a6 | 589 | |
70109e7d | 590 | struct kvm_mtrr mtrr_state; |
7cb060a9 | 591 | u64 pat; |
42dbaa5a | 592 | |
360b948d | 593 | unsigned switch_db_regs; |
42dbaa5a JK |
594 | unsigned long db[KVM_NR_DB_REGS]; |
595 | unsigned long dr6; | |
596 | unsigned long dr7; | |
597 | unsigned long eff_db[KVM_NR_DB_REGS]; | |
c8639010 | 598 | unsigned long guest_debug_dr7; |
890ca9ae HY |
599 | |
600 | u64 mcg_cap; | |
601 | u64 mcg_status; | |
602 | u64 mcg_ctl; | |
c45dcc71 | 603 | u64 mcg_ext_ctl; |
890ca9ae | 604 | u64 *mce_banks; |
94fe45da | 605 | |
bebb106a XG |
606 | /* Cache MMIO info */ |
607 | u64 mmio_gva; | |
608 | unsigned access; | |
609 | gfn_t mmio_gfn; | |
56f17dd3 | 610 | u64 mmio_gen; |
bebb106a | 611 | |
f5132b01 GN |
612 | struct kvm_pmu pmu; |
613 | ||
94fe45da | 614 | /* used for guest single stepping over the given code position */ |
94fe45da | 615 | unsigned long singlestep_rip; |
f92653ee | 616 | |
e83d5887 | 617 | struct kvm_vcpu_hv hyperv; |
f5f48ee1 SY |
618 | |
619 | cpumask_var_t wbinvd_dirty_mask; | |
af585b92 | 620 | |
1cb3f3ae XG |
621 | unsigned long last_retry_eip; |
622 | unsigned long last_retry_addr; | |
623 | ||
af585b92 GN |
624 | struct { |
625 | bool halted; | |
626 | gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)]; | |
344d9588 GN |
627 | struct gfn_to_hva_cache data; |
628 | u64 msr_val; | |
7c90705b | 629 | u32 id; |
6adba527 | 630 | bool send_user_only; |
af585b92 | 631 | } apf; |
2b036c6b BO |
632 | |
633 | /* OSVW MSRs (AMD only) */ | |
634 | struct { | |
635 | u64 length; | |
636 | u64 status; | |
637 | } osvw; | |
ae7a2a3f MT |
638 | |
639 | struct { | |
640 | u64 msr_val; | |
641 | struct gfn_to_hva_cache data; | |
642 | } pv_eoi; | |
93c05d3e XG |
643 | |
644 | /* | |
645 | * Indicate whether the access faults on its page table in guest | |
646 | * which is set when fix page fault and used to detect unhandeable | |
647 | * instruction. | |
648 | */ | |
649 | bool write_fault_to_shadow_pgtable; | |
25d92081 YZ |
650 | |
651 | /* set at EPT violation at this point */ | |
652 | unsigned long exit_qualification; | |
6aef266c SV |
653 | |
654 | /* pv related host specific info */ | |
655 | struct { | |
656 | bool pv_unhalted; | |
657 | } pv; | |
7543a635 SR |
658 | |
659 | int pending_ioapic_eoi; | |
1c1a9ce9 | 660 | int pending_external_vector; |
34c16eec ZX |
661 | }; |
662 | ||
db3fe4eb | 663 | struct kvm_lpage_info { |
92f94f1e | 664 | int disallow_lpage; |
db3fe4eb TY |
665 | }; |
666 | ||
667 | struct kvm_arch_memory_slot { | |
018aabb5 | 668 | struct kvm_rmap_head *rmap[KVM_NR_PAGE_SIZES]; |
db3fe4eb | 669 | struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1]; |
21ebbeda | 670 | unsigned short *gfn_track[KVM_PAGE_TRACK_MAX]; |
db3fe4eb TY |
671 | }; |
672 | ||
3548a259 RK |
673 | /* |
674 | * We use as the mode the number of bits allocated in the LDR for the | |
675 | * logical processor ID. It happens that these are all powers of two. | |
676 | * This makes it is very easy to detect cases where the APICs are | |
677 | * configured for multiple modes; in that case, we cannot use the map and | |
678 | * hence cannot use kvm_irq_delivery_to_apic_fast either. | |
679 | */ | |
680 | #define KVM_APIC_MODE_XAPIC_CLUSTER 4 | |
681 | #define KVM_APIC_MODE_XAPIC_FLAT 8 | |
682 | #define KVM_APIC_MODE_X2APIC 16 | |
683 | ||
1e08ec4a GN |
684 | struct kvm_apic_map { |
685 | struct rcu_head rcu; | |
3548a259 | 686 | u8 mode; |
0ca52e7b | 687 | u32 max_apic_id; |
e45115b6 RK |
688 | union { |
689 | struct kvm_lapic *xapic_flat_map[8]; | |
690 | struct kvm_lapic *xapic_cluster_map[16][4]; | |
691 | }; | |
0ca52e7b | 692 | struct kvm_lapic *phys_map[]; |
1e08ec4a GN |
693 | }; |
694 | ||
e83d5887 AS |
695 | /* Hyper-V emulation context */ |
696 | struct kvm_hv { | |
697 | u64 hv_guest_os_id; | |
698 | u64 hv_hypercall; | |
699 | u64 hv_tsc_page; | |
e7d9513b AS |
700 | |
701 | /* Hyper-v based guest crash (NT kernel bugcheck) parameters */ | |
702 | u64 hv_crash_param[HV_X64_MSR_CRASH_PARAMS]; | |
703 | u64 hv_crash_ctl; | |
e83d5887 AS |
704 | }; |
705 | ||
fef9cce0 | 706 | struct kvm_arch { |
49d5ca26 | 707 | unsigned int n_used_mmu_pages; |
f05e70ac | 708 | unsigned int n_requested_mmu_pages; |
39de71ec | 709 | unsigned int n_max_mmu_pages; |
332b207d | 710 | unsigned int indirect_shadow_pages; |
5304b8d3 | 711 | unsigned long mmu_valid_gen; |
f05e70ac ZX |
712 | struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; |
713 | /* | |
714 | * Hash table of struct kvm_mmu_page. | |
715 | */ | |
716 | struct list_head active_mmu_pages; | |
365c8868 | 717 | struct list_head zapped_obsolete_pages; |
13d268ca | 718 | struct kvm_page_track_notifier_node mmu_sp_tracker; |
0eb05bf2 | 719 | struct kvm_page_track_notifier_head track_notifier_head; |
365c8868 | 720 | |
4d5c5d0f | 721 | struct list_head assigned_dev_head; |
19de40a8 | 722 | struct iommu_domain *iommu_domain; |
d96eb2c6 | 723 | bool iommu_noncoherent; |
e0f0bbc5 AW |
724 | #define __KVM_HAVE_ARCH_NONCOHERENT_DMA |
725 | atomic_t noncoherent_dma_count; | |
5544eb9b PB |
726 | #define __KVM_HAVE_ARCH_ASSIGNED_DEVICE |
727 | atomic_t assigned_device_count; | |
d7deeeb0 ZX |
728 | struct kvm_pic *vpic; |
729 | struct kvm_ioapic *vioapic; | |
7837699f | 730 | struct kvm_pit *vpit; |
42720138 | 731 | atomic_t vapics_in_nmi_mode; |
1e08ec4a GN |
732 | struct mutex apic_map_lock; |
733 | struct kvm_apic_map *apic_map; | |
bfc6d222 | 734 | |
bfc6d222 | 735 | unsigned int tss_addr; |
c24ae0dc | 736 | bool apic_access_page_done; |
18068523 GOC |
737 | |
738 | gpa_t wall_clock; | |
b7ebfb05 | 739 | |
b7ebfb05 | 740 | bool ept_identity_pagetable_done; |
b927a3ce | 741 | gpa_t ept_identity_map_addr; |
5550af4d SY |
742 | |
743 | unsigned long irq_sources_bitmap; | |
afbcf7ab | 744 | s64 kvmclock_offset; |
038f8c11 | 745 | raw_spinlock_t tsc_write_lock; |
f38e098f | 746 | u64 last_tsc_nsec; |
f38e098f | 747 | u64 last_tsc_write; |
5d3cb0f6 | 748 | u32 last_tsc_khz; |
e26101b1 ZA |
749 | u64 cur_tsc_nsec; |
750 | u64 cur_tsc_write; | |
751 | u64 cur_tsc_offset; | |
0d3da0d2 | 752 | u64 cur_tsc_generation; |
b48aa97e | 753 | int nr_vcpus_matched_tsc; |
ffde22ac | 754 | |
d828199e MT |
755 | spinlock_t pvclock_gtod_sync_lock; |
756 | bool use_master_clock; | |
757 | u64 master_kernel_ns; | |
758 | cycle_t master_cycle_now; | |
7e44e449 | 759 | struct delayed_work kvmclock_update_work; |
332967a3 | 760 | struct delayed_work kvmclock_sync_work; |
d828199e | 761 | |
ffde22ac | 762 | struct kvm_xen_hvm_config xen_hvm_config; |
55cd8e5a | 763 | |
6ef768fa PB |
764 | /* reads protected by irq_srcu, writes by irq_lock */ |
765 | struct hlist_head mask_notifier_list; | |
766 | ||
e83d5887 | 767 | struct kvm_hv hyperv; |
b034cf01 XG |
768 | |
769 | #ifdef CONFIG_KVM_MMU_AUDIT | |
770 | int audit_point; | |
771 | #endif | |
54750f2c MT |
772 | |
773 | bool boot_vcpu_runs_old_kvmclock; | |
d71ba788 | 774 | u32 bsp_vcpu_id; |
90de4a18 NA |
775 | |
776 | u64 disabled_quirks; | |
49df6397 SR |
777 | |
778 | bool irqchip_split; | |
b053b2ae | 779 | u8 nr_reserved_ioapic_pins; |
52004014 FW |
780 | |
781 | bool disabled_lapic_found; | |
44a95dae SS |
782 | |
783 | /* Struct members for AVIC */ | |
18f40c53 | 784 | u32 ldr_mode; |
44a95dae SS |
785 | struct page *avic_logical_id_table_page; |
786 | struct page *avic_physical_id_table_page; | |
37131313 RK |
787 | |
788 | bool x2apic_format; | |
c519265f | 789 | bool x2apic_broadcast_quirk_disabled; |
d69fb81f ZX |
790 | }; |
791 | ||
0711456c ZX |
792 | struct kvm_vm_stat { |
793 | u32 mmu_shadow_zapped; | |
794 | u32 mmu_pte_write; | |
795 | u32 mmu_pte_updated; | |
796 | u32 mmu_pde_zapped; | |
797 | u32 mmu_flooded; | |
798 | u32 mmu_recycled; | |
dfc5aa00 | 799 | u32 mmu_cache_miss; |
4731d4c7 | 800 | u32 mmu_unsync; |
0711456c | 801 | u32 remote_tlb_flush; |
05da4558 | 802 | u32 lpages; |
0711456c ZX |
803 | }; |
804 | ||
77b4c255 ZX |
805 | struct kvm_vcpu_stat { |
806 | u32 pf_fixed; | |
807 | u32 pf_guest; | |
808 | u32 tlb_flush; | |
809 | u32 invlpg; | |
810 | ||
811 | u32 exits; | |
812 | u32 io_exits; | |
813 | u32 mmio_exits; | |
814 | u32 signal_exits; | |
815 | u32 irq_window_exits; | |
f08864b4 | 816 | u32 nmi_window_exits; |
77b4c255 | 817 | u32 halt_exits; |
f7819512 | 818 | u32 halt_successful_poll; |
62bea5bf | 819 | u32 halt_attempted_poll; |
3491caf2 | 820 | u32 halt_poll_invalid; |
77b4c255 ZX |
821 | u32 halt_wakeup; |
822 | u32 request_irq_exits; | |
823 | u32 irq_exits; | |
824 | u32 host_state_reload; | |
825 | u32 efer_reload; | |
826 | u32 fpu_reload; | |
827 | u32 insn_emulation; | |
828 | u32 insn_emulation_fail; | |
f11c3a8d | 829 | u32 hypercalls; |
fa89a817 | 830 | u32 irq_injections; |
c4abb7c9 | 831 | u32 nmi_injections; |
77b4c255 | 832 | }; |
ad312c7c | 833 | |
8a76d7f2 JR |
834 | struct x86_instruction_info; |
835 | ||
8fe8ab46 WA |
836 | struct msr_data { |
837 | bool host_initiated; | |
838 | u32 index; | |
839 | u64 data; | |
840 | }; | |
841 | ||
cb5281a5 PB |
842 | struct kvm_lapic_irq { |
843 | u32 vector; | |
b7cb2231 PB |
844 | u16 delivery_mode; |
845 | u16 dest_mode; | |
846 | bool level; | |
847 | u16 trig_mode; | |
cb5281a5 PB |
848 | u32 shorthand; |
849 | u32 dest_id; | |
93bbf0b8 | 850 | bool msi_redir_hint; |
cb5281a5 PB |
851 | }; |
852 | ||
ea4a5ff8 ZX |
853 | struct kvm_x86_ops { |
854 | int (*cpu_has_kvm_support)(void); /* __init */ | |
855 | int (*disabled_by_bios)(void); /* __init */ | |
13a34e06 RK |
856 | int (*hardware_enable)(void); |
857 | void (*hardware_disable)(void); | |
ea4a5ff8 ZX |
858 | void (*check_processor_compatibility)(void *rtn); |
859 | int (*hardware_setup)(void); /* __init */ | |
860 | void (*hardware_unsetup)(void); /* __exit */ | |
774ead3a | 861 | bool (*cpu_has_accelerated_tpr)(void); |
6d396b55 | 862 | bool (*cpu_has_high_real_mode_segbase)(void); |
0e851880 | 863 | void (*cpuid_update)(struct kvm_vcpu *vcpu); |
ea4a5ff8 | 864 | |
03543133 SS |
865 | int (*vm_init)(struct kvm *kvm); |
866 | void (*vm_destroy)(struct kvm *kvm); | |
867 | ||
ea4a5ff8 ZX |
868 | /* Create, but do not attach this VCPU */ |
869 | struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); | |
870 | void (*vcpu_free)(struct kvm_vcpu *vcpu); | |
d28bc9dd | 871 | void (*vcpu_reset)(struct kvm_vcpu *vcpu, bool init_event); |
ea4a5ff8 ZX |
872 | |
873 | void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); | |
874 | void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); | |
875 | void (*vcpu_put)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 876 | |
a96036b8 | 877 | void (*update_bp_intercept)(struct kvm_vcpu *vcpu); |
609e36d3 | 878 | int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 879 | int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); |
ea4a5ff8 ZX |
880 | u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg); |
881 | void (*get_segment)(struct kvm_vcpu *vcpu, | |
882 | struct kvm_segment *var, int seg); | |
2e4d2653 | 883 | int (*get_cpl)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
884 | void (*set_segment)(struct kvm_vcpu *vcpu, |
885 | struct kvm_segment *var, int seg); | |
886 | void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l); | |
e8467fda | 887 | void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu); |
aff48baa | 888 | void (*decache_cr3)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
889 | void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu); |
890 | void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0); | |
891 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); | |
5e1746d6 | 892 | int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4); |
ea4a5ff8 | 893 | void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer); |
89a27f4d GN |
894 | void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
895 | void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
896 | void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
897 | void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); | |
73aaf249 JK |
898 | u64 (*get_dr6)(struct kvm_vcpu *vcpu); |
899 | void (*set_dr6)(struct kvm_vcpu *vcpu, unsigned long value); | |
c77fb5fe | 900 | void (*sync_dirty_debug_regs)(struct kvm_vcpu *vcpu); |
020df079 | 901 | void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value); |
5fdbf976 | 902 | void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg); |
ea4a5ff8 ZX |
903 | unsigned long (*get_rflags)(struct kvm_vcpu *vcpu); |
904 | void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); | |
be94f6b7 | 905 | u32 (*get_pkru)(struct kvm_vcpu *vcpu); |
0fdd74f7 | 906 | void (*fpu_activate)(struct kvm_vcpu *vcpu); |
02daab21 | 907 | void (*fpu_deactivate)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
908 | |
909 | void (*tlb_flush)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 910 | |
851ba692 AK |
911 | void (*run)(struct kvm_vcpu *vcpu); |
912 | int (*handle_exit)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 913 | void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); |
2809f5d2 | 914 | void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); |
37ccdcbe | 915 | u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu); |
ea4a5ff8 ZX |
916 | void (*patch_hypercall)(struct kvm_vcpu *vcpu, |
917 | unsigned char *hypercall_addr); | |
66fd3f7f | 918 | void (*set_irq)(struct kvm_vcpu *vcpu); |
95ba8273 | 919 | void (*set_nmi)(struct kvm_vcpu *vcpu); |
298101da | 920 | void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr, |
ce7ddec4 JR |
921 | bool has_error_code, u32 error_code, |
922 | bool reinject); | |
b463a6f7 | 923 | void (*cancel_injection)(struct kvm_vcpu *vcpu); |
78646121 | 924 | int (*interrupt_allowed)(struct kvm_vcpu *vcpu); |
95ba8273 | 925 | int (*nmi_allowed)(struct kvm_vcpu *vcpu); |
3cfc3092 JK |
926 | bool (*get_nmi_mask)(struct kvm_vcpu *vcpu); |
927 | void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked); | |
c9a7953f JK |
928 | void (*enable_nmi_window)(struct kvm_vcpu *vcpu); |
929 | void (*enable_irq_window)(struct kvm_vcpu *vcpu); | |
95ba8273 | 930 | void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr); |
d62caabb AS |
931 | bool (*get_enable_apicv)(void); |
932 | void (*refresh_apicv_exec_ctrl)(struct kvm_vcpu *vcpu); | |
c7c9c56c | 933 | void (*hwapic_irr_update)(struct kvm_vcpu *vcpu, int max_irr); |
67c9dddc | 934 | void (*hwapic_isr_update)(struct kvm_vcpu *vcpu, int isr); |
6308630b | 935 | void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap); |
8d14695f | 936 | void (*set_virtual_x2apic_mode)(struct kvm_vcpu *vcpu, bool set); |
4256f43f | 937 | void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa); |
a20ed54d YZ |
938 | void (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector); |
939 | void (*sync_pir_to_irr)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 | 940 | int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); |
67253af5 | 941 | int (*get_tdp_level)(void); |
4b12f0de | 942 | u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); |
17cc3935 | 943 | int (*get_lpage_level)(void); |
4e47c7a6 | 944 | bool (*rdtscp_supported)(void); |
ad756a16 | 945 | bool (*invpcid_supported)(void); |
58ea6767 | 946 | void (*adjust_tsc_offset_guest)(struct kvm_vcpu *vcpu, s64 adjustment); |
344f414f | 947 | |
1c97f0a0 JR |
948 | void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); |
949 | ||
d4330ef2 JR |
950 | void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); |
951 | ||
f5f48ee1 SY |
952 | bool (*has_wbinvd_exit)(void); |
953 | ||
ba904635 | 954 | u64 (*read_tsc_offset)(struct kvm_vcpu *vcpu); |
99e3e30a ZA |
955 | void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset); |
956 | ||
886b470c | 957 | u64 (*read_l1_tsc)(struct kvm_vcpu *vcpu, u64 host_tsc); |
857e4099 | 958 | |
586f9607 | 959 | void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2); |
8a76d7f2 JR |
960 | |
961 | int (*check_intercept)(struct kvm_vcpu *vcpu, | |
962 | struct x86_instruction_info *info, | |
963 | enum x86_intercept_stage stage); | |
a547c6db | 964 | void (*handle_external_intr)(struct kvm_vcpu *vcpu); |
da8999d3 | 965 | bool (*mpx_supported)(void); |
55412b2e | 966 | bool (*xsaves_supported)(void); |
b6b8a145 JK |
967 | |
968 | int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr); | |
ae97a3b8 RK |
969 | |
970 | void (*sched_in)(struct kvm_vcpu *kvm, int cpu); | |
88178fd4 KH |
971 | |
972 | /* | |
973 | * Arch-specific dirty logging hooks. These hooks are only supposed to | |
974 | * be valid if the specific arch has hardware-accelerated dirty logging | |
975 | * mechanism. Currently only for PML on VMX. | |
976 | * | |
977 | * - slot_enable_log_dirty: | |
978 | * called when enabling log dirty mode for the slot. | |
979 | * - slot_disable_log_dirty: | |
980 | * called when disabling log dirty mode for the slot. | |
981 | * also called when slot is created with log dirty disabled. | |
982 | * - flush_log_dirty: | |
983 | * called before reporting dirty_bitmap to userspace. | |
984 | * - enable_log_dirty_pt_masked: | |
985 | * called when reenabling log dirty for the GFNs in the mask after | |
986 | * corresponding bits are cleared in slot->dirty_bitmap. | |
987 | */ | |
988 | void (*slot_enable_log_dirty)(struct kvm *kvm, | |
989 | struct kvm_memory_slot *slot); | |
990 | void (*slot_disable_log_dirty)(struct kvm *kvm, | |
991 | struct kvm_memory_slot *slot); | |
992 | void (*flush_log_dirty)(struct kvm *kvm); | |
993 | void (*enable_log_dirty_pt_masked)(struct kvm *kvm, | |
994 | struct kvm_memory_slot *slot, | |
995 | gfn_t offset, unsigned long mask); | |
25462f7f WH |
996 | /* pmu operations of sub-arch */ |
997 | const struct kvm_pmu_ops *pmu_ops; | |
efc64404 | 998 | |
bf9f6ac8 FW |
999 | /* |
1000 | * Architecture specific hooks for vCPU blocking due to | |
1001 | * HLT instruction. | |
1002 | * Returns for .pre_block(): | |
1003 | * - 0 means continue to block the vCPU. | |
1004 | * - 1 means we cannot block the vCPU since some event | |
1005 | * happens during this period, such as, 'ON' bit in | |
1006 | * posted-interrupts descriptor is set. | |
1007 | */ | |
1008 | int (*pre_block)(struct kvm_vcpu *vcpu); | |
1009 | void (*post_block)(struct kvm_vcpu *vcpu); | |
d1ed092f SS |
1010 | |
1011 | void (*vcpu_blocking)(struct kvm_vcpu *vcpu); | |
1012 | void (*vcpu_unblocking)(struct kvm_vcpu *vcpu); | |
1013 | ||
efc64404 FW |
1014 | int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq, |
1015 | uint32_t guest_irq, bool set); | |
be8ca170 | 1016 | void (*apicv_post_state_restore)(struct kvm_vcpu *vcpu); |
ce7a058a YJ |
1017 | |
1018 | int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc); | |
1019 | void (*cancel_hv_timer)(struct kvm_vcpu *vcpu); | |
c45dcc71 AR |
1020 | |
1021 | void (*setup_mce)(struct kvm_vcpu *vcpu); | |
ea4a5ff8 ZX |
1022 | }; |
1023 | ||
af585b92 | 1024 | struct kvm_arch_async_pf { |
7c90705b | 1025 | u32 token; |
af585b92 | 1026 | gfn_t gfn; |
fb67e14f | 1027 | unsigned long cr3; |
c4806acd | 1028 | bool direct_map; |
af585b92 GN |
1029 | }; |
1030 | ||
97896d04 ZX |
1031 | extern struct kvm_x86_ops *kvm_x86_ops; |
1032 | ||
54f1585a ZX |
1033 | int kvm_mmu_module_init(void); |
1034 | void kvm_mmu_module_exit(void); | |
1035 | ||
1036 | void kvm_mmu_destroy(struct kvm_vcpu *vcpu); | |
1037 | int kvm_mmu_create(struct kvm_vcpu *vcpu); | |
8a3c1a33 | 1038 | void kvm_mmu_setup(struct kvm_vcpu *vcpu); |
13d268ca XG |
1039 | void kvm_mmu_init_vm(struct kvm *kvm); |
1040 | void kvm_mmu_uninit_vm(struct kvm *kvm); | |
7b52345e | 1041 | void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask, |
ffb128c8 | 1042 | u64 dirty_mask, u64 nx_mask, u64 x_mask, u64 p_mask); |
54f1585a | 1043 | |
8a3c1a33 | 1044 | void kvm_mmu_reset_context(struct kvm_vcpu *vcpu); |
1c91cad4 KH |
1045 | void kvm_mmu_slot_remove_write_access(struct kvm *kvm, |
1046 | struct kvm_memory_slot *memslot); | |
3ea3b7fa | 1047 | void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm, |
f36f3f28 | 1048 | const struct kvm_memory_slot *memslot); |
f4b4b180 KH |
1049 | void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm, |
1050 | struct kvm_memory_slot *memslot); | |
1051 | void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm, | |
1052 | struct kvm_memory_slot *memslot); | |
1053 | void kvm_mmu_slot_set_dirty(struct kvm *kvm, | |
1054 | struct kvm_memory_slot *memslot); | |
1055 | void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm, | |
1056 | struct kvm_memory_slot *slot, | |
1057 | gfn_t gfn_offset, unsigned long mask); | |
54f1585a | 1058 | void kvm_mmu_zap_all(struct kvm *kvm); |
54bf36aa | 1059 | void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots); |
3ad82a7e | 1060 | unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm); |
54f1585a ZX |
1061 | void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); |
1062 | ||
ff03a073 | 1063 | int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3); |
cc4b6871 | 1064 | |
3200f405 | 1065 | int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, |
9f811285 | 1066 | const void *val, int bytes); |
2f333bcb | 1067 | |
6ef768fa PB |
1068 | struct kvm_irq_mask_notifier { |
1069 | void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked); | |
1070 | int irq; | |
1071 | struct hlist_node link; | |
1072 | }; | |
1073 | ||
1074 | void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq, | |
1075 | struct kvm_irq_mask_notifier *kimn); | |
1076 | void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq, | |
1077 | struct kvm_irq_mask_notifier *kimn); | |
1078 | void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, | |
1079 | bool mask); | |
1080 | ||
2f333bcb | 1081 | extern bool tdp_enabled; |
9f811285 | 1082 | |
a3e06bbe LJ |
1083 | u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu); |
1084 | ||
92a1f12d JR |
1085 | /* control of guest tsc rate supported? */ |
1086 | extern bool kvm_has_tsc_control; | |
92a1f12d JR |
1087 | /* maximum supported tsc_khz for guests */ |
1088 | extern u32 kvm_max_guest_tsc_khz; | |
bc9b961b HZ |
1089 | /* number of bits of the fractional part of the TSC scaling ratio */ |
1090 | extern u8 kvm_tsc_scaling_ratio_frac_bits; | |
1091 | /* maximum allowed value of TSC scaling ratio */ | |
1092 | extern u64 kvm_max_tsc_scaling_ratio; | |
64672c95 YJ |
1093 | /* 1ull << kvm_tsc_scaling_ratio_frac_bits */ |
1094 | extern u64 kvm_default_tsc_scaling_ratio; | |
92a1f12d | 1095 | |
c45dcc71 | 1096 | extern u64 kvm_mce_cap_supported; |
92a1f12d | 1097 | |
54f1585a | 1098 | enum emulation_result { |
ac0a48c3 PB |
1099 | EMULATE_DONE, /* no further processing */ |
1100 | EMULATE_USER_EXIT, /* kvm_run ready for userspace exit */ | |
54f1585a ZX |
1101 | EMULATE_FAIL, /* can't emulate this instruction */ |
1102 | }; | |
1103 | ||
571008da SY |
1104 | #define EMULTYPE_NO_DECODE (1 << 0) |
1105 | #define EMULTYPE_TRAP_UD (1 << 1) | |
ba8afb6b | 1106 | #define EMULTYPE_SKIP (1 << 2) |
1cb3f3ae | 1107 | #define EMULTYPE_RETRY (1 << 3) |
991eebf9 | 1108 | #define EMULTYPE_NO_REEXECUTE (1 << 4) |
dc25e89e AP |
1109 | int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, |
1110 | int emulation_type, void *insn, int insn_len); | |
51d8b661 AP |
1111 | |
1112 | static inline int emulate_instruction(struct kvm_vcpu *vcpu, | |
1113 | int emulation_type) | |
1114 | { | |
dc25e89e | 1115 | return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); |
51d8b661 AP |
1116 | } |
1117 | ||
f2b4b7dd | 1118 | void kvm_enable_efer_bits(u64); |
384bb783 | 1119 | bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer); |
609e36d3 | 1120 | int kvm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 1121 | int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); |
54f1585a ZX |
1122 | |
1123 | struct x86_emulate_ctxt; | |
1124 | ||
cf8f70bf | 1125 | int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port); |
54f1585a ZX |
1126 | void kvm_emulate_cpuid(struct kvm_vcpu *vcpu); |
1127 | int kvm_emulate_halt(struct kvm_vcpu *vcpu); | |
5cb56059 | 1128 | int kvm_vcpu_halt(struct kvm_vcpu *vcpu); |
f5f48ee1 | 1129 | int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu); |
54f1585a | 1130 | |
3e6e0aab | 1131 | void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); |
c697518a | 1132 | int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg); |
2b4a273b | 1133 | void kvm_vcpu_deliver_sipi_vector(struct kvm_vcpu *vcpu, u8 vector); |
3e6e0aab | 1134 | |
7f3d35fd KW |
1135 | int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, |
1136 | int reason, bool has_error_code, u32 error_code); | |
37817f29 | 1137 | |
49a9b07e | 1138 | int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); |
2390218b | 1139 | int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3); |
a83b29c6 | 1140 | int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); |
eea1cff9 | 1141 | int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8); |
020df079 GN |
1142 | int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val); |
1143 | int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val); | |
2d3ad1f4 AK |
1144 | unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu); |
1145 | void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw); | |
54f1585a | 1146 | void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l); |
2acf923e | 1147 | int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr); |
54f1585a | 1148 | |
609e36d3 | 1149 | int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); |
8fe8ab46 | 1150 | int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); |
54f1585a | 1151 | |
91586a3b JK |
1152 | unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu); |
1153 | void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); | |
022cd0e8 | 1154 | bool kvm_rdpmc(struct kvm_vcpu *vcpu); |
91586a3b | 1155 | |
298101da AK |
1156 | void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
1157 | void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); | |
ce7ddec4 JR |
1158 | void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
1159 | void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); | |
6389ee94 | 1160 | void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); |
ec92fe44 JR |
1161 | int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, |
1162 | gfn_t gfn, void *data, int offset, int len, | |
1163 | u32 access); | |
0a79b009 | 1164 | bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl); |
16f8a6f9 | 1165 | bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr); |
298101da | 1166 | |
1a577b72 MT |
1167 | static inline int __kvm_irq_line_state(unsigned long *irq_state, |
1168 | int irq_source_id, int level) | |
1169 | { | |
1170 | /* Logical OR for level trig interrupt */ | |
1171 | if (level) | |
1172 | __set_bit(irq_source_id, irq_state); | |
1173 | else | |
1174 | __clear_bit(irq_source_id, irq_state); | |
1175 | ||
1176 | return !!(*irq_state); | |
1177 | } | |
1178 | ||
1179 | int kvm_pic_set_irq(struct kvm_pic *pic, int irq, int irq_source_id, int level); | |
1180 | void kvm_pic_clear_all(struct kvm_pic *pic, int irq_source_id); | |
3de42dc0 | 1181 | |
3419ffc8 SY |
1182 | void kvm_inject_nmi(struct kvm_vcpu *vcpu); |
1183 | ||
1cb3f3ae | 1184 | int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn); |
54f1585a ZX |
1185 | int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); |
1186 | void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); | |
1187 | int kvm_mmu_load(struct kvm_vcpu *vcpu); | |
1188 | void kvm_mmu_unload(struct kvm_vcpu *vcpu); | |
0ba73cda | 1189 | void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu); |
54987b7a PB |
1190 | gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
1191 | struct x86_exception *exception); | |
ab9ae313 AK |
1192 | gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, |
1193 | struct x86_exception *exception); | |
1194 | gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, | |
1195 | struct x86_exception *exception); | |
1196 | gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, | |
1197 | struct x86_exception *exception); | |
1198 | gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, | |
1199 | struct x86_exception *exception); | |
54f1585a | 1200 | |
d62caabb AS |
1201 | void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu); |
1202 | ||
54f1585a ZX |
1203 | int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); |
1204 | ||
dc25e89e AP |
1205 | int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
1206 | void *insn, int insn_len); | |
a7052897 | 1207 | void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); |
d8d173da | 1208 | void kvm_mmu_new_cr3(struct kvm_vcpu *vcpu); |
34c16eec | 1209 | |
18552672 | 1210 | void kvm_enable_tdp(void); |
5f4cb662 | 1211 | void kvm_disable_tdp(void); |
18552672 | 1212 | |
54987b7a PB |
1213 | static inline gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access, |
1214 | struct x86_exception *exception) | |
e459e322 XG |
1215 | { |
1216 | return gpa; | |
1217 | } | |
1218 | ||
ec6d273d ZX |
1219 | static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) |
1220 | { | |
1221 | struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); | |
1222 | ||
1223 | return (struct kvm_mmu_page *)page_private(page); | |
1224 | } | |
1225 | ||
d6e88aec | 1226 | static inline u16 kvm_read_ldt(void) |
ec6d273d ZX |
1227 | { |
1228 | u16 ldt; | |
1229 | asm("sldt %0" : "=g"(ldt)); | |
1230 | return ldt; | |
1231 | } | |
1232 | ||
d6e88aec | 1233 | static inline void kvm_load_ldt(u16 sel) |
ec6d273d ZX |
1234 | { |
1235 | asm("lldt %0" : : "rm"(sel)); | |
1236 | } | |
ec6d273d | 1237 | |
ec6d273d ZX |
1238 | #ifdef CONFIG_X86_64 |
1239 | static inline unsigned long read_msr(unsigned long msr) | |
1240 | { | |
1241 | u64 value; | |
1242 | ||
1243 | rdmsrl(msr, value); | |
1244 | return value; | |
1245 | } | |
1246 | #endif | |
1247 | ||
ec6d273d ZX |
1248 | static inline u32 get_rdx_init_val(void) |
1249 | { | |
1250 | return 0x600; /* P6 family */ | |
1251 | } | |
1252 | ||
c1a5d4f9 AK |
1253 | static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code) |
1254 | { | |
1255 | kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); | |
1256 | } | |
1257 | ||
854e8bb1 NA |
1258 | static inline u64 get_canonical(u64 la) |
1259 | { | |
1260 | return ((int64_t)la << 16) >> 16; | |
1261 | } | |
1262 | ||
1263 | static inline bool is_noncanonical_address(u64 la) | |
1264 | { | |
1265 | #ifdef CONFIG_X86_64 | |
1266 | return get_canonical(la) != la; | |
1267 | #else | |
1268 | return false; | |
1269 | #endif | |
1270 | } | |
1271 | ||
ec6d273d ZX |
1272 | #define TSS_IOPB_BASE_OFFSET 0x66 |
1273 | #define TSS_BASE_SIZE 0x68 | |
1274 | #define TSS_IOPB_SIZE (65536 / 8) | |
1275 | #define TSS_REDIRECTION_SIZE (256 / 8) | |
7d76b4d3 JP |
1276 | #define RMODE_TSS_SIZE \ |
1277 | (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) | |
53e0aa7b | 1278 | |
37817f29 IE |
1279 | enum { |
1280 | TASK_SWITCH_CALL = 0, | |
1281 | TASK_SWITCH_IRET = 1, | |
1282 | TASK_SWITCH_JMP = 2, | |
1283 | TASK_SWITCH_GATE = 3, | |
1284 | }; | |
1285 | ||
1371d904 | 1286 | #define HF_GIF_MASK (1 << 0) |
3d6368ef AG |
1287 | #define HF_HIF_MASK (1 << 1) |
1288 | #define HF_VINTR_MASK (1 << 2) | |
95ba8273 | 1289 | #define HF_NMI_MASK (1 << 3) |
44c11430 | 1290 | #define HF_IRET_MASK (1 << 4) |
ec9e60b2 | 1291 | #define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ |
f077825a PB |
1292 | #define HF_SMM_MASK (1 << 6) |
1293 | #define HF_SMM_INSIDE_NMI_MASK (1 << 7) | |
1371d904 | 1294 | |
699023e2 PB |
1295 | #define __KVM_VCPU_MULTIPLE_ADDRESS_SPACE |
1296 | #define KVM_ADDRESS_SPACE_NUM 2 | |
1297 | ||
1298 | #define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0) | |
1299 | #define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm) | |
1371d904 | 1300 | |
4ecac3fd AK |
1301 | /* |
1302 | * Hardware virtualization extension instructions may fault if a | |
1303 | * reboot turns off virtualization while processes are running. | |
1304 | * Trap the fault and ignore the instruction if that happens. | |
1305 | */ | |
b7c4145b | 1306 | asmlinkage void kvm_spurious_fault(void); |
4ecac3fd | 1307 | |
5e520e62 | 1308 | #define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ |
4ecac3fd | 1309 | "666: " insn "\n\t" \ |
b7c4145b | 1310 | "668: \n\t" \ |
18b13e54 | 1311 | ".pushsection .fixup, \"ax\" \n" \ |
4ecac3fd | 1312 | "667: \n\t" \ |
5e520e62 | 1313 | cleanup_insn "\n\t" \ |
b7c4145b AK |
1314 | "cmpb $0, kvm_rebooting \n\t" \ |
1315 | "jne 668b \n\t" \ | |
8ceed347 | 1316 | __ASM_SIZE(push) " $666b \n\t" \ |
b7c4145b | 1317 | "call kvm_spurious_fault \n\t" \ |
4ecac3fd | 1318 | ".popsection \n\t" \ |
3ee89722 | 1319 | _ASM_EXTABLE(666b, 667b) |
4ecac3fd | 1320 | |
5e520e62 AK |
1321 | #define __kvm_handle_fault_on_reboot(insn) \ |
1322 | ____kvm_handle_fault_on_reboot(insn, "") | |
1323 | ||
e930bffe AA |
1324 | #define KVM_ARCH_WANT_MMU_NOTIFIER |
1325 | int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); | |
b3ae2096 | 1326 | int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end); |
57128468 | 1327 | int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); |
8ee53820 | 1328 | int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); |
3da0dd43 | 1329 | void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); |
c7c9c56c | 1330 | int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v); |
a1b37100 GN |
1331 | int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu); |
1332 | int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu); | |
0b71785d | 1333 | int kvm_cpu_get_interrupt(struct kvm_vcpu *v); |
d28bc9dd | 1334 | void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event); |
4256f43f | 1335 | void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu); |
fe71557a TC |
1336 | void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, |
1337 | unsigned long address); | |
e930bffe | 1338 | |
18863bdd | 1339 | void kvm_define_shared_msr(unsigned index, u32 msr); |
8b3c3104 | 1340 | int kvm_set_shared_msr(unsigned index, u64 val, u64 mask); |
18863bdd | 1341 | |
35181e86 | 1342 | u64 kvm_scale_tsc(struct kvm_vcpu *vcpu, u64 tsc); |
4ba76538 | 1343 | u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc); |
35181e86 | 1344 | |
82b32774 | 1345 | unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu); |
f92653ee JK |
1346 | bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip); |
1347 | ||
2860c4b1 PB |
1348 | void kvm_make_mclock_inprogress_request(struct kvm *kvm); |
1349 | void kvm_make_scan_ioapic_request(struct kvm *kvm); | |
1350 | ||
af585b92 GN |
1351 | void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, |
1352 | struct kvm_async_pf *work); | |
1353 | void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, | |
1354 | struct kvm_async_pf *work); | |
56028d08 GN |
1355 | void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, |
1356 | struct kvm_async_pf *work); | |
7c90705b | 1357 | bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); |
af585b92 GN |
1358 | extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
1359 | ||
db8fcefa AP |
1360 | void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err); |
1361 | ||
f5132b01 GN |
1362 | int kvm_is_in_guest(void); |
1363 | ||
1d8007bd PB |
1364 | int __x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size); |
1365 | int x86_set_memory_region(struct kvm *kvm, int id, gpa_t gpa, u32 size); | |
d71ba788 PB |
1366 | bool kvm_vcpu_is_reset_bsp(struct kvm_vcpu *vcpu); |
1367 | bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu); | |
f5132b01 | 1368 | |
8feb4a04 FW |
1369 | bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq, |
1370 | struct kvm_vcpu **dest_vcpu); | |
1371 | ||
37131313 | 1372 | void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e, |
d84f1e07 | 1373 | struct kvm_lapic_irq *irq); |
197a4f4b | 1374 | |
d1ed092f SS |
1375 | static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) |
1376 | { | |
1377 | if (kvm_x86_ops->vcpu_blocking) | |
1378 | kvm_x86_ops->vcpu_blocking(vcpu); | |
1379 | } | |
1380 | ||
1381 | static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) | |
1382 | { | |
1383 | if (kvm_x86_ops->vcpu_unblocking) | |
1384 | kvm_x86_ops->vcpu_unblocking(vcpu); | |
1385 | } | |
1386 | ||
3491caf2 | 1387 | static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} |
3217f7c2 | 1388 | |
7d669f50 SS |
1389 | static inline int kvm_cpu_get_apicid(int mps_cpu) |
1390 | { | |
1391 | #ifdef CONFIG_X86_LOCAL_APIC | |
1392 | return __default_cpu_present_to_apicid(mps_cpu); | |
1393 | #else | |
1394 | WARN_ON_ONCE(1); | |
1395 | return BAD_APICID; | |
1396 | #endif | |
1397 | } | |
1398 | ||
1965aae3 | 1399 | #endif /* _ASM_X86_KVM_HOST_H */ |