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Vegard Nossuma656c8e2008-07-22 21:27:11 +02001/*
Carsten Otte043405e2007-10-10 17:16:19 +02002 * 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
H. Peter Anvin1965aae2008-10-22 22:26:29 -070011#ifndef _ASM_X86_KVM_HOST_H
12#define _ASM_X86_KVM_HOST_H
Carsten Otte043405e2007-10-10 17:16:19 +020013
Zhang Xiantao34c16ee2007-10-20 15:34:38 +080014#include <linux/types.h>
15#include <linux/mm.h>
Andrea Arcangelie930bff2008-07-25 16:24:52 +020016#include <linux/mmu_notifier.h>
Marcelo Tosatti229456f2009-06-17 09:22:14 -030017#include <linux/tracepoint.h>
Sheng Yangf5f48ee2010-06-30 12:25:15 +080018#include <linux/cpumask.h>
Gleb Natapovf5132b02011-11-10 14:57:22 +020019#include <linux/irq_work.h>
Zhang Xiantao34c16ee2007-10-20 15:34:38 +080020
21#include <linux/kvm.h>
22#include <linux/kvm_para.h>
Avi Kivityedf88412007-12-16 11:02:48 +020023#include <linux/kvm_types.h>
Gleb Natapovf5132b02011-11-10 14:57:22 +020024#include <linux/perf_event.h>
Zhang Xiantao34c16ee2007-10-20 15:34:38 +080025
Gerd Hoffmann50d0a0f2008-06-03 16:17:31 +020026#include <asm/pvclock-abi.h>
Hollis Blancharde01a1b52007-12-03 15:30:25 -060027#include <asm/desc.h>
Sheng Yang0bed3b52008-10-09 16:01:54 +080028#include <asm/mtrr.h>
Alexander Graf9962d032008-11-25 20:17:02 +010029#include <asm/msr-index.h>
H. Peter Anvin3ee89722012-04-20 13:41:59 -070030#include <asm/asm.h>
Hollis Blancharde01a1b52007-12-03 15:30:25 -060031
Sasha Levin8c3ba332011-07-18 17:17:15 +030032#define KVM_MAX_VCPUS 254
Marcelo Tosattia59cb292012-02-03 12:28:31 -020033#define KVM_SOFT_MAX_VCPUS 160
Avi Kivity69a9f692008-03-21 12:38:23 +020034#define KVM_MEMORY_SLOTS 32
35/* memory slots that does not exposed to userspace */
36#define KVM_PRIVATE_MEM_SLOTS 4
Xiao Guangrong93a5cef2011-11-24 17:37:48 +080037#define KVM_MEM_SLOTS_NUM (KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
38
Avi Kivitycef4dea2010-01-20 12:01:20 +020039#define KVM_MMIO_SIZE 16
Avi Kivity69a9f692008-03-21 12:38:23 +020040
41#define KVM_PIO_PAGE_OFFSET 1
Laurent Vivier542472b2008-05-30 16:05:55 +020042#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
Avi Kivity69a9f692008-03-21 12:38:23 +020043
Joerg Roedelcfec82c2011-04-04 12:39:28 +020044#define CR0_RESERVED_BITS \
45 (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \
46 | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \
47 | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG))
48
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080049#define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1)
50#define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD))
Mao, Junjiead756a12012-07-02 01:18:48 +000051#define CR3_PCID_ENABLED_RESERVED_BITS 0xFFFFFF0000000000ULL
Joe Perches7d76b4d2008-03-23 01:02:34 -070052#define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS | \
53 0xFFFFFF0000000000ULL)
Joerg Roedelcfec82c2011-04-04 12:39:28 +020054#define CR4_RESERVED_BITS \
55 (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\
56 | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
Mao, Junjiead756a12012-07-02 01:18:48 +000057 | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
Yang, Weid9c34762011-06-14 20:10:17 +080058 | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_RDWRGSFS \
Joerg Roedelcfec82c2011-04-04 12:39:28 +020059 | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
60
61#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
62
63
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080064
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080065#define INVALID_PAGE (~(hpa_t)0)
Xiao Guangrongdd180b32010-07-03 16:02:42 +080066#define VALID_PAGE(x) ((x) != INVALID_PAGE)
67
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080068#define UNMAPPED_GVA (~(gpa_t)0)
69
Joerg Roedelec04b262009-06-19 15:16:23 +020070/* KVM Hugepage definitions for x86 */
Joerg Roedel04326ca2009-07-27 16:30:47 +020071#define KVM_NR_PAGE_SIZES 3
Joerg Roedel82855412010-07-01 16:00:11 +020072#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9)
73#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
Joerg Roedelec04b262009-06-19 15:16:23 +020074#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
75#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
76#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
Marcelo Tosatti05da4552008-02-23 11:44:30 -030077
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080078#define DE_VECTOR 0
Jan Kiszka19bd8af2008-07-13 13:40:55 +020079#define DB_VECTOR 1
Jan Kiszka77ab6db2008-07-14 12:28:51 +020080#define BP_VECTOR 3
81#define OF_VECTOR 4
82#define BR_VECTOR 5
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080083#define UD_VECTOR 6
84#define NM_VECTOR 7
85#define DF_VECTOR 8
86#define TS_VECTOR 10
87#define NP_VECTOR 11
88#define SS_VECTOR 12
89#define GP_VECTOR 13
90#define PF_VECTOR 14
Jan Kiszka77ab6db2008-07-14 12:28:51 +020091#define MF_VECTOR 16
Joerg Roedel53371b52008-04-09 14:15:30 +020092#define MC_VECTOR 18
Zhang Xiantaocd6e8f82007-11-19 14:33:37 +080093
94#define SELECTOR_TI_MASK (1 << 2)
95#define SELECTOR_RPL_MASK 0x03
96
97#define IOPL_SHIFT 12
98
Zhang Xiantaod657a982007-12-14 09:41:22 +080099#define KVM_PERMILLE_MMU_PAGES 20
100#define KVM_MIN_ALLOC_MMU_PAGES 64
Dong, Eddie1ae0a132008-01-07 13:20:25 +0200101#define KVM_MMU_HASH_SHIFT 10
102#define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT)
Zhang Xiantaod657a982007-12-14 09:41:22 +0800103#define KVM_MIN_FREE_MMU_PAGES 5
104#define KVM_REFILL_PAGES 25
Andre Przywara73c11602010-12-01 12:17:44 +0100105#define KVM_MAX_CPUID_ENTRIES 80
Sheng Yang0bed3b52008-10-09 16:01:54 +0800106#define KVM_NR_FIXED_MTRR_REGION 88
Avi Kivity9ba075a2008-05-26 20:06:35 +0300107#define KVM_NR_VAR_MTRR 8
Zhang Xiantaod657a982007-12-14 09:41:22 +0800108
Gleb Natapovaf585b92010-10-14 11:22:46 +0200109#define ASYNC_PF_PER_VCPU 64
110
Jan Kiszkae935b832011-02-08 12:55:33 +0100111extern raw_spinlock_t kvm_lock;
Zhang Xiantaoe9b11c12007-11-14 20:38:21 +0800112extern struct list_head vm_list;
113
Zhang Xiantaod657a982007-12-14 09:41:22 +0800114struct kvm_vcpu;
115struct kvm;
Gleb Natapovaf585b92010-10-14 11:22:46 +0200116struct kvm_async_pf;
Zhang Xiantaod657a982007-12-14 09:41:22 +0800117
Marcelo Tosatti5fdbf972008-06-27 14:58:02 -0300118enum kvm_reg {
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800119 VCPU_REGS_RAX = 0,
120 VCPU_REGS_RCX = 1,
121 VCPU_REGS_RDX = 2,
122 VCPU_REGS_RBX = 3,
123 VCPU_REGS_RSP = 4,
124 VCPU_REGS_RBP = 5,
125 VCPU_REGS_RSI = 6,
126 VCPU_REGS_RDI = 7,
127#ifdef CONFIG_X86_64
128 VCPU_REGS_R8 = 8,
129 VCPU_REGS_R9 = 9,
130 VCPU_REGS_R10 = 10,
131 VCPU_REGS_R11 = 11,
132 VCPU_REGS_R12 = 12,
133 VCPU_REGS_R13 = 13,
134 VCPU_REGS_R14 = 14,
135 VCPU_REGS_R15 = 15,
136#endif
Marcelo Tosatti5fdbf972008-06-27 14:58:02 -0300137 VCPU_REGS_RIP,
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800138 NR_VCPU_REGS
139};
140
Avi Kivity6de4f3a2009-05-31 22:58:47 +0300141enum kvm_reg_ex {
142 VCPU_EXREG_PDPTR = NR_VCPU_REGS,
Avi Kivityaff48ba2010-12-05 18:56:11 +0200143 VCPU_EXREG_CR3,
Avi Kivity6de12732011-03-07 12:51:22 +0200144 VCPU_EXREG_RFLAGS,
Avi Kivity69c73022011-03-07 15:26:44 +0200145 VCPU_EXREG_CPL,
Avi Kivity2fb92db2011-04-27 19:42:18 +0300146 VCPU_EXREG_SEGMENTS,
Avi Kivity6de4f3a2009-05-31 22:58:47 +0300147};
148
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800149enum {
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800150 VCPU_SREG_ES,
Avi Kivity81609e32008-05-27 16:26:01 +0300151 VCPU_SREG_CS,
152 VCPU_SREG_SS,
153 VCPU_SREG_DS,
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800154 VCPU_SREG_FS,
155 VCPU_SREG_GS,
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800156 VCPU_SREG_TR,
157 VCPU_SREG_LDTR,
158};
159
Avi Kivity56e82312009-08-12 15:04:37 +0300160#include <asm/kvm_emulate.h>
Zhang Xiantao2b3ccfa2007-11-19 14:56:05 +0800161
Zhang Xiantaod657a982007-12-14 09:41:22 +0800162#define KVM_NR_MEM_OBJS 40
163
Jan Kiszka42dbaa52008-12-15 13:52:10 +0100164#define KVM_NR_DB_REGS 4
165
166#define DR6_BD (1 << 13)
167#define DR6_BS (1 << 14)
168#define DR6_FIXED_1 0xffff0ff0
169#define DR6_VOLATILE 0x0000e00f
170
171#define DR7_BP_EN_MASK 0x000000ff
172#define DR7_GE (1 << 9)
173#define DR7_GD (1 << 13)
174#define DR7_FIXED_1 0x00000400
175#define DR7_VOLATILE 0xffff23ff
176
Gleb Natapov41383772012-04-19 14:06:29 +0300177/* apic attention bits */
178#define KVM_APIC_CHECK_VAPIC 0
Michael S. Tsirkinae7a2a32012-06-24 19:25:07 +0300179/*
180 * The following bit is set with PV-EOI, unset on EOI.
181 * We detect PV-EOI changes by guest by comparing
182 * this bit with PV-EOI in guest memory.
183 * See the implementation in apic_update_pv_eoi.
184 */
185#define KVM_APIC_PV_EOI_PENDING 1
Gleb Natapov41383772012-04-19 14:06:29 +0300186
Zhang Xiantaod657a982007-12-14 09:41:22 +0800187/*
188 * We don't want allocation failures within the mmu code, so we preallocate
189 * enough memory for a single page fault in a cache.
190 */
191struct kvm_mmu_memory_cache {
192 int nobjs;
193 void *objects[KVM_NR_MEM_OBJS];
194};
195
Zhang Xiantaod657a982007-12-14 09:41:22 +0800196/*
197 * kvm_mmu_page_role, below, is defined as:
198 *
199 * bits 0:3 - total guest paging levels (2-4, or zero for real mode)
200 * bits 4:7 - page table level for this shadow (1-4)
201 * bits 8:9 - page table quadrant for 2-level guests
Avi Kivityf6e2c02b2009-01-11 13:02:10 +0200202 * bit 16 - direct mapping of virtual to physical mapping at gfn
203 * used for real mode and two-dimensional paging
Zhang Xiantaod657a982007-12-14 09:41:22 +0800204 * bits 17:19 - common access permissions for all ptes in this shadow page
205 */
206union kvm_mmu_page_role {
207 unsigned word;
208 struct {
Joe Perches7d76b4d2008-03-23 01:02:34 -0700209 unsigned level:4;
Avi Kivity5b7e0102010-04-14 19:20:03 +0300210 unsigned cr4_pae:1;
Joe Perches7d76b4d2008-03-23 01:02:34 -0700211 unsigned quadrant:2;
212 unsigned pad_for_nice_hex_output:6;
Avi Kivityf6e2c02b2009-01-11 13:02:10 +0200213 unsigned direct:1;
Joe Perches7d76b4d2008-03-23 01:02:34 -0700214 unsigned access:3;
Marcelo Tosatti2e53d632008-02-20 14:47:24 -0500215 unsigned invalid:1;
Avi Kivity9645bb562009-03-31 11:31:54 +0300216 unsigned nxe:1;
Avi Kivity3dbe1412010-05-12 11:48:18 +0300217 unsigned cr0_wp:1;
Avi Kivity411c5882011-06-06 16:11:54 +0300218 unsigned smep_andnot_wp:1;
Zhang Xiantaod657a982007-12-14 09:41:22 +0800219 };
220};
221
222struct kvm_mmu_page {
223 struct list_head link;
224 struct hlist_node hash_link;
225
226 /*
227 * The following two entries are used to key the shadow page in the
228 * hash table.
229 */
230 gfn_t gfn;
231 union kvm_mmu_page_role role;
232
233 u64 *spt;
234 /* hold the gfn of each spte inside spt */
235 gfn_t *gfns;
Sheng Yang291f26b2008-10-16 17:30:57 +0800236 /*
237 * One bit set per slot which has memory
238 * in this shadow page.
239 */
Xiao Guangrong93a5cef2011-11-24 17:37:48 +0800240 DECLARE_BITMAP(slot_bitmap, KVM_MEM_SLOTS_NUM);
Marcelo Tosatti4731d4c2008-09-23 13:18:39 -0300241 bool unsync;
Xiao Guangrong0571d362010-04-16 21:27:54 +0800242 int root_count; /* Currently serving as active root */
Marcelo Tosatti60c8aec2008-12-01 22:32:02 -0200243 unsigned int unsync_children;
Xiao Guangrong67052b32011-05-15 23:27:08 +0800244 unsigned long parent_ptes; /* Reverse mapping for parent_pte */
Marcelo Tosatti0074ff62008-09-23 13:18:40 -0300245 DECLARE_BITMAP(unsync_child_bitmap, 512);
Xiao Guangrongc2a2ac22011-07-12 03:32:13 +0800246
247#ifdef CONFIG_X86_32
248 int clear_spte_count;
249#endif
250
Xiao Guangronga30f47c2011-09-22 16:58:36 +0800251 int write_flooding_count;
Zhang Xiantaod657a982007-12-14 09:41:22 +0800252};
253
Avi Kivity1c083642009-01-04 12:39:07 +0200254struct kvm_pio_request {
255 unsigned long count;
Avi Kivity1c083642009-01-04 12:39:07 +0200256 int in;
257 int port;
258 int size;
Avi Kivity1c083642009-01-04 12:39:07 +0200259};
260
Zhang Xiantaod657a982007-12-14 09:41:22 +0800261/*
262 * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level
263 * 32-bit). The kvm_mmu structure abstracts the details of the current mmu
264 * mode.
265 */
266struct kvm_mmu {
267 void (*new_cr3)(struct kvm_vcpu *vcpu);
Joerg Roedelf43addd2010-09-10 17:30:40 +0200268 void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root);
Joerg Roedel5777ed32010-09-10 17:30:42 +0200269 unsigned long (*get_cr3)(struct kvm_vcpu *vcpu);
Avi Kivitye4e517b2011-07-28 11:36:17 +0300270 u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index);
Xiao Guangrong78b2c542010-12-07 10:48:06 +0800271 int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err,
272 bool prefault);
Avi Kivity6389ee92010-11-29 16:12:30 +0200273 void (*inject_page_fault)(struct kvm_vcpu *vcpu,
274 struct x86_exception *fault);
Zhang Xiantaod657a982007-12-14 09:41:22 +0800275 void (*free)(struct kvm_vcpu *vcpu);
Gleb Natapov1871c602010-02-10 14:21:32 +0200276 gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access,
Avi Kivityab9ae312010-11-22 17:53:26 +0200277 struct x86_exception *exception);
Joerg Roedelc30a3582010-09-10 17:30:48 +0200278 gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access);
Marcelo Tosattie8bc2172008-09-23 13:18:33 -0300279 int (*sync_page)(struct kvm_vcpu *vcpu,
Xiao Guangronga4a8e6f2010-11-19 17:04:03 +0800280 struct kvm_mmu_page *sp);
Marcelo Tosattia7052892008-09-23 13:18:35 -0300281 void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
Xiao Guangrong0f53b5b2011-03-09 15:43:51 +0800282 void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
Xiao Guangrong7c562522011-03-28 10:29:27 +0800283 u64 *spte, const void *pte);
Zhang Xiantaod657a982007-12-14 09:41:22 +0800284 hpa_t root_hpa;
285 int root_level;
286 int shadow_root_level;
Avi Kivitya770f6f2008-12-21 19:20:09 +0200287 union kvm_mmu_page_role base_role;
Joerg Roedelc5a78f2b2010-09-10 17:30:39 +0200288 bool direct_map;
Zhang Xiantaod657a982007-12-14 09:41:22 +0800289
Avi Kivity97d64b72012-09-12 14:52:00 +0300290 /*
291 * Bitmap; bit set = permission fault
292 * Byte index: page fault error code [4:1]
293 * Bit index: pte permissions in ACC_* format
294 */
295 u8 permissions[16];
296
Zhang Xiantaod657a982007-12-14 09:41:22 +0800297 u64 *pae_root;
Joerg Roedel81407ca2010-09-10 17:31:00 +0200298 u64 *lm_root;
Dong, Eddie82725b22009-03-30 16:21:08 +0800299 u64 rsvd_bits_mask[2][4];
Joerg Roedelff03a072010-09-10 17:30:57 +0200300
Avi Kivity6fd01b72012-09-12 20:46:56 +0300301 /*
302 * Bitmap: bit set = last pte in walk
303 * index[0:1]: level (zero-based)
304 * index[2]: pte.ps
305 */
306 u8 last_pte_bitmap;
307
Joerg Roedel2d48a982010-09-10 17:31:01 +0200308 bool nx;
309
Joerg Roedelff03a072010-09-10 17:30:57 +0200310 u64 pdptrs[4]; /* pae */
Zhang Xiantaod657a982007-12-14 09:41:22 +0800311};
312
Gleb Natapovf5132b02011-11-10 14:57:22 +0200313enum pmc_type {
314 KVM_PMC_GP = 0,
315 KVM_PMC_FIXED,
316};
317
318struct kvm_pmc {
319 enum pmc_type type;
320 u8 idx;
321 u64 counter;
322 u64 eventsel;
323 struct perf_event *perf_event;
324 struct kvm_vcpu *vcpu;
325};
326
327struct kvm_pmu {
328 unsigned nr_arch_gp_counters;
329 unsigned nr_arch_fixed_counters;
330 unsigned available_event_types;
331 u64 fixed_ctr_ctrl;
332 u64 global_ctrl;
333 u64 global_status;
334 u64 global_ovf_ctrl;
335 u64 counter_bitmask[2];
336 u64 global_ctrl_mask;
337 u8 version;
Robert Richter15c7ad52012-06-20 20:46:33 +0200338 struct kvm_pmc gp_counters[INTEL_PMC_MAX_GENERIC];
339 struct kvm_pmc fixed_counters[INTEL_PMC_MAX_FIXED];
Gleb Natapovf5132b02011-11-10 14:57:22 +0200340 struct irq_work irq_work;
341 u64 reprogram_pmi;
342};
343
Zhang Xiantaoad312c72007-12-13 23:50:52 +0800344struct kvm_vcpu_arch {
Marcelo Tosatti5fdbf972008-06-27 14:58:02 -0300345 /*
346 * rip and regs accesses must go through
347 * kvm_{register,rip}_{read,write} functions.
348 */
349 unsigned long regs[NR_VCPU_REGS];
350 u32 regs_avail;
351 u32 regs_dirty;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800352
353 unsigned long cr0;
Avi Kivitye8467fd2009-12-29 18:43:06 +0200354 unsigned long cr0_guest_owned_bits;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800355 unsigned long cr2;
356 unsigned long cr3;
357 unsigned long cr4;
Avi Kivityfc78f512009-12-07 12:16:48 +0200358 unsigned long cr4_guest_owned_bits;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800359 unsigned long cr8;
Alexander Graf1371d902008-11-25 20:17:04 +0100360 u32 hflags;
Avi Kivityf6801df2010-01-21 15:31:50 +0200361 u64 efer;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800362 u64 apic_base;
363 struct kvm_lapic *apic; /* kernel irqchip context */
Gleb Natapov41383772012-04-19 14:06:29 +0300364 unsigned long apic_attention;
Gleb Natapove1035712009-03-05 16:34:59 +0200365 int32_t apic_arb_prio;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800366 int mp_state;
367 int sipi_vector;
368 u64 ia32_misc_enable_msr;
Avi Kivityb209749f2007-10-22 16:50:39 +0200369 bool tpr_access_reporting;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800370
Joerg Roedel14dfe852010-09-10 17:30:49 +0200371 /*
372 * Paging state of the vcpu
373 *
374 * If the vcpu runs in guest mode with two level paging this still saves
375 * the paging mode of the l1 guest. This context is always used to
376 * handle faults.
377 */
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800378 struct kvm_mmu mmu;
Joerg Roedel8df25a32010-09-10 17:30:46 +0200379
380 /*
Joerg Roedel6539e732010-09-10 17:30:50 +0200381 * Paging state of an L2 guest (used for nested npt)
382 *
383 * This context will save all necessary information to walk page tables
384 * of the an L2 guest. This context is only initialized for page table
385 * walking and not for faulting since we never handle l2 page faults on
386 * the host.
387 */
388 struct kvm_mmu nested_mmu;
389
390 /*
Joerg Roedel14dfe852010-09-10 17:30:49 +0200391 * Pointer to the mmu context currently used for
392 * gva_to_gpa translations.
393 */
394 struct kvm_mmu *walk_mmu;
395
Xiao Guangrong53c07b12011-05-15 23:26:20 +0800396 struct kvm_mmu_memory_cache mmu_pte_list_desc_cache;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800397 struct kvm_mmu_memory_cache mmu_page_cache;
398 struct kvm_mmu_memory_cache mmu_page_header_cache;
399
Sheng Yang98918832010-05-17 17:08:28 +0800400 struct fpu guest_fpu;
Dexuan Cui2acf9232010-06-10 11:27:12 +0800401 u64 xcr0;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800402
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800403 struct kvm_pio_request pio;
404 void *pio_data;
405
Gleb Natapov66fd3f72009-05-11 13:35:50 +0300406 u8 event_exit_inst_len;
407
Avi Kivity298101d2007-11-25 13:41:11 +0200408 struct kvm_queued_exception {
409 bool pending;
410 bool has_error_code;
Joerg Roedelce7ddec2010-04-22 12:33:13 +0200411 bool reinject;
Avi Kivity298101d2007-11-25 13:41:11 +0200412 u8 nr;
413 u32 error_code;
414 } exception;
415
Avi Kivity937a7ea2008-07-03 15:17:01 +0300416 struct kvm_queued_interrupt {
417 bool pending;
Gleb Natapov66fd3f72009-05-11 13:35:50 +0300418 bool soft;
Avi Kivity937a7ea2008-07-03 15:17:01 +0300419 u8 nr;
420 } interrupt;
421
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800422 int halt_request; /* real mode on Intel only */
423
424 int cpuid_nent;
Dan Kenigsberg07716712007-11-21 17:10:04 +0200425 struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES];
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800426 /* emulate context */
427
428 struct x86_emulate_ctxt emulate_ctxt;
Gleb Natapov7ae441e2011-03-31 12:06:41 +0200429 bool emulate_regs_need_sync_to_vcpu;
430 bool emulate_regs_need_sync_from_vcpu;
Gleb Natapov716d51a2012-09-03 15:24:26 +0300431 int (*complete_userspace_io)(struct kvm_vcpu *vcpu);
Glauber de Oliveira Costa18068522008-02-15 17:52:47 -0200432
433 gpa_t time;
Gerd Hoffmann50d0a0f2008-06-03 16:17:31 +0200434 struct pvclock_vcpu_time_info hv_clock;
Zachary Amsdene48672f2010-08-19 22:07:23 -1000435 unsigned int hw_tsc_khz;
Glauber de Oliveira Costa18068522008-02-15 17:52:47 -0200436 unsigned int time_offset;
437 struct page *time_page;
Marcelo Tosatti51d59c62012-08-03 15:57:49 -0300438 /* set guest stopped flag in pvclock flags field */
439 bool pvclock_set_guest_stopped_request;
Glauber Costac9aaa892011-07-11 15:28:14 -0400440
441 struct {
442 u64 msr_val;
443 u64 last_steal;
444 u64 accum_steal;
445 struct gfn_to_hva_cache stime;
446 struct kvm_steal_time steal;
447 } st;
448
Zachary Amsden1d5f0662010-08-19 22:07:30 -1000449 u64 last_guest_tsc;
450 u64 last_kernel_ns;
Zachary Amsden6f526ec2012-02-03 15:43:54 -0200451 u64 last_host_tsc;
Zachary Amsden0dd6a6e2012-02-03 15:43:56 -0200452 u64 tsc_offset_adjustment;
Zachary Amsdene26101b2012-02-03 15:43:57 -0200453 u64 this_tsc_nsec;
454 u64 this_tsc_write;
455 u8 this_tsc_generation;
Zachary Amsdenc2855452010-09-18 14:38:15 -1000456 bool tsc_catchup;
Zachary Amsdencc578282012-02-03 15:43:50 -0200457 bool tsc_always_catchup;
458 s8 virtual_tsc_shift;
459 u32 virtual_tsc_mult;
460 u32 virtual_tsc_khz;
Sheng Yang3419ffc2008-05-15 09:52:48 +0800461
Avi Kivity7460fb4a2011-09-20 13:43:14 +0300462 atomic_t nmi_queued; /* unprocessed asynchronous NMIs */
463 unsigned nmi_pending; /* NMI queued after currently running handler */
464 bool nmi_injected; /* Trying to inject an NMI this entry */
Avi Kivity9ba075a2008-05-26 20:06:35 +0300465
Sheng Yang0bed3b52008-10-09 16:01:54 +0800466 struct mtrr_state_type mtrr_state;
467 u32 pat;
Jan Kiszka42dbaa52008-12-15 13:52:10 +0100468
469 int switch_db_regs;
Jan Kiszka42dbaa52008-12-15 13:52:10 +0100470 unsigned long db[KVM_NR_DB_REGS];
471 unsigned long dr6;
472 unsigned long dr7;
473 unsigned long eff_db[KVM_NR_DB_REGS];
Huang Ying890ca9a2009-05-11 16:48:15 +0800474
475 u64 mcg_cap;
476 u64 mcg_status;
477 u64 mcg_ctl;
478 u64 *mce_banks;
Jan Kiszka94fe45d2009-10-18 13:24:44 +0200479
Xiao Guangrongbebb1062011-07-12 03:23:20 +0800480 /* Cache MMIO info */
481 u64 mmio_gva;
482 unsigned access;
483 gfn_t mmio_gfn;
484
Gleb Natapovf5132b02011-11-10 14:57:22 +0200485 struct kvm_pmu pmu;
486
Jan Kiszka94fe45d2009-10-18 13:24:44 +0200487 /* used for guest single stepping over the given code position */
Jan Kiszka94fe45d2009-10-18 13:24:44 +0200488 unsigned long singlestep_rip;
Jan Kiszkaf92653e2010-02-23 17:47:55 +0100489
Gleb Natapov10388a02010-01-17 15:51:23 +0200490 /* fields used by HYPER-V emulation */
491 u64 hv_vapic;
Sheng Yangf5f48ee2010-06-30 12:25:15 +0800492
493 cpumask_var_t wbinvd_dirty_mask;
Gleb Natapovaf585b92010-10-14 11:22:46 +0200494
Xiao Guangrong1cb3f3a2011-09-22 17:02:48 +0800495 unsigned long last_retry_eip;
496 unsigned long last_retry_addr;
497
Gleb Natapovaf585b92010-10-14 11:22:46 +0200498 struct {
499 bool halted;
500 gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)];
Gleb Natapov344d9582010-10-14 11:22:50 +0200501 struct gfn_to_hva_cache data;
502 u64 msr_val;
Gleb Natapov7c907052010-10-14 11:22:53 +0200503 u32 id;
Gleb Natapov6adba522010-10-14 11:22:55 +0200504 bool send_user_only;
Gleb Natapovaf585b92010-10-14 11:22:46 +0200505 } apf;
Boris Ostrovsky2b036c62012-01-09 14:00:35 -0500506
507 /* OSVW MSRs (AMD only) */
508 struct {
509 u64 length;
510 u64 status;
511 } osvw;
Michael S. Tsirkinae7a2a32012-06-24 19:25:07 +0300512
513 struct {
514 u64 msr_val;
515 struct gfn_to_hva_cache data;
516 } pv_eoi;
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800517};
518
Takuya Yoshikawadb3fe4e2012-02-08 13:02:18 +0900519struct kvm_lpage_info {
Takuya Yoshikawadb3fe4e2012-02-08 13:02:18 +0900520 int write_count;
521};
522
523struct kvm_arch_memory_slot {
Takuya Yoshikawad89cc612012-08-01 18:03:28 +0900524 unsigned long *rmap[KVM_NR_PAGE_SIZES];
Takuya Yoshikawadb3fe4e2012-02-08 13:02:18 +0900525 struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
526};
527
Marcelo Tosattifef9cce2009-12-23 14:35:17 -0200528struct kvm_arch {
Dave Hansen49d5ca22010-08-19 18:11:28 -0700529 unsigned int n_used_mmu_pages;
Zhang Xiantaof05e70a2007-12-14 10:01:48 +0800530 unsigned int n_requested_mmu_pages;
Dave Hansen39de71e2010-08-19 18:11:14 -0700531 unsigned int n_max_mmu_pages;
Xiao Guangrong332b2072011-05-15 23:20:27 +0800532 unsigned int indirect_shadow_pages;
Zhang Xiantaof05e70a2007-12-14 10:01:48 +0800533 struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES];
534 /*
535 * Hash table of struct kvm_mmu_page.
536 */
537 struct list_head active_mmu_pages;
Ben-Ami Yassour4d5c5d02008-07-28 19:26:26 +0300538 struct list_head assigned_dev_head;
Joerg Roedel19de40a2008-12-03 14:43:34 +0100539 struct iommu_domain *iommu_domain;
Sheng Yang522c68c2009-04-27 20:35:43 +0800540 int iommu_flags;
Zhang Xiantaod7deeeb02007-12-14 10:17:34 +0800541 struct kvm_pic *vpic;
542 struct kvm_ioapic *vioapic;
Sheng Yang78376992008-01-28 05:10:22 +0800543 struct kvm_pit *vpit;
Jan Kiszkacc6e4622008-10-20 10:20:03 +0200544 int vapics_in_nmi_mode;
Zhang Xiantaobfc6d222007-12-14 10:20:16 +0800545
Zhang Xiantaobfc6d222007-12-14 10:20:16 +0800546 unsigned int tss_addr;
547 struct page *apic_access_page;
Glauber de Oliveira Costa18068522008-02-15 17:52:47 -0200548
549 gpa_t wall_clock;
Sheng Yangb7ebfb02008-04-25 21:44:52 +0800550
551 struct page *ept_identity_pagetable;
552 bool ept_identity_pagetable_done;
Sheng Yangb927a3c2009-07-21 10:42:48 +0800553 gpa_t ept_identity_map_addr;
Sheng Yang5550af42008-10-15 20:15:06 +0800554
555 unsigned long irq_sources_bitmap;
Glauber Costaafbcf7a2009-10-16 15:28:36 -0400556 s64 kvmclock_offset;
Jan Kiszka038f8c12011-02-04 10:49:11 +0100557 raw_spinlock_t tsc_write_lock;
Zachary Amsdenf38e0982010-08-19 22:07:20 -1000558 u64 last_tsc_nsec;
Zachary Amsdenf38e0982010-08-19 22:07:20 -1000559 u64 last_tsc_write;
Zachary Amsden5d3cb0f62012-02-03 15:43:51 -0200560 u32 last_tsc_khz;
Zachary Amsdene26101b2012-02-03 15:43:57 -0200561 u64 cur_tsc_nsec;
562 u64 cur_tsc_write;
563 u64 cur_tsc_offset;
564 u8 cur_tsc_generation;
Ed Swierkffde22a2009-10-15 15:21:43 -0700565
566 struct kvm_xen_hvm_config xen_hvm_config;
Gleb Natapov55cd8e52010-01-17 15:51:22 +0200567
568 /* fields used by HYPER-V emulation */
569 u64 hv_guest_os_id;
570 u64 hv_hypercall;
Xiao Guangrongb034cf02010-12-23 16:08:35 +0800571
572 #ifdef CONFIG_KVM_MMU_AUDIT
573 int audit_point;
574 #endif
Zhang Xiantaod69fb812007-12-14 09:54:20 +0800575};
576
Zhang Xiantao07114562007-12-14 10:23:23 +0800577struct kvm_vm_stat {
578 u32 mmu_shadow_zapped;
579 u32 mmu_pte_write;
580 u32 mmu_pte_updated;
581 u32 mmu_pde_zapped;
582 u32 mmu_flooded;
583 u32 mmu_recycled;
Avi Kivitydfc5aa02007-12-18 19:47:18 +0200584 u32 mmu_cache_miss;
Marcelo Tosatti4731d4c2008-09-23 13:18:39 -0300585 u32 mmu_unsync;
Zhang Xiantao07114562007-12-14 10:23:23 +0800586 u32 remote_tlb_flush;
Marcelo Tosatti05da4552008-02-23 11:44:30 -0300587 u32 lpages;
Zhang Xiantao07114562007-12-14 10:23:23 +0800588};
589
Zhang Xiantao77b4c252007-12-14 09:49:26 +0800590struct kvm_vcpu_stat {
591 u32 pf_fixed;
592 u32 pf_guest;
593 u32 tlb_flush;
594 u32 invlpg;
595
596 u32 exits;
597 u32 io_exits;
598 u32 mmio_exits;
599 u32 signal_exits;
600 u32 irq_window_exits;
Sheng Yangf08864b2008-05-15 18:23:25 +0800601 u32 nmi_window_exits;
Zhang Xiantao77b4c252007-12-14 09:49:26 +0800602 u32 halt_exits;
603 u32 halt_wakeup;
604 u32 request_irq_exits;
605 u32 irq_exits;
606 u32 host_state_reload;
607 u32 efer_reload;
608 u32 fpu_reload;
609 u32 insn_emulation;
610 u32 insn_emulation_fail;
Amit Shahf11c3a82008-02-21 01:00:30 +0530611 u32 hypercalls;
Avi Kivityfa89a812008-09-01 15:57:51 +0300612 u32 irq_injections;
Jan Kiszkac4abb7c2008-09-26 09:30:55 +0200613 u32 nmi_injections;
Zhang Xiantao77b4c252007-12-14 09:49:26 +0800614};
Zhang Xiantaoad312c72007-12-13 23:50:52 +0800615
Joerg Roedel8a76d7f2011-04-04 12:39:27 +0200616struct x86_instruction_info;
617
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800618struct kvm_x86_ops {
619 int (*cpu_has_kvm_support)(void); /* __init */
620 int (*disabled_by_bios)(void); /* __init */
Alexander Graf10474ae2009-09-15 11:37:46 +0200621 int (*hardware_enable)(void *dummy);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800622 void (*hardware_disable)(void *dummy);
623 void (*check_processor_compatibility)(void *rtn);
624 int (*hardware_setup)(void); /* __init */
625 void (*hardware_unsetup)(void); /* __exit */
Avi Kivity774ead32007-12-26 13:57:04 +0200626 bool (*cpu_has_accelerated_tpr)(void);
Sheng Yang0e851882009-12-18 16:48:46 +0800627 void (*cpuid_update)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800628
629 /* Create, but do not attach this VCPU */
630 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id);
631 void (*vcpu_free)(struct kvm_vcpu *vcpu);
632 int (*vcpu_reset)(struct kvm_vcpu *vcpu);
633
634 void (*prepare_guest_switch)(struct kvm_vcpu *vcpu);
635 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
636 void (*vcpu_put)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800637
Jan Kiszka355be0b2009-10-03 00:31:21 +0200638 void (*set_guest_debug)(struct kvm_vcpu *vcpu,
639 struct kvm_guest_debug *dbg);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800640 int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata);
641 int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
642 u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg);
643 void (*get_segment)(struct kvm_vcpu *vcpu,
644 struct kvm_segment *var, int seg);
Izik Eidus2e4d2652008-03-24 19:38:34 +0200645 int (*get_cpl)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800646 void (*set_segment)(struct kvm_vcpu *vcpu,
647 struct kvm_segment *var, int seg);
648 void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
Avi Kivitye8467fd2009-12-29 18:43:06 +0200649 void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu);
Avi Kivityaff48ba2010-12-05 18:56:11 +0200650 void (*decache_cr3)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800651 void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
652 void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
653 void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
Nadav Har'El5e1746d2011-05-25 23:03:24 +0300654 int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800655 void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer);
Gleb Natapov89a27f42010-02-16 10:51:48 +0200656 void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
657 void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
658 void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
659 void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
Gleb Natapov020df072010-04-13 10:05:23 +0300660 void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
Marcelo Tosatti5fdbf972008-06-27 14:58:02 -0300661 void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800662 unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
663 void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
Avi Kivity6b52d182010-01-21 15:31:47 +0200664 void (*fpu_activate)(struct kvm_vcpu *vcpu);
Avi Kivity02daab22009-12-30 12:40:26 +0200665 void (*fpu_deactivate)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800666
667 void (*tlb_flush)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800668
Avi Kivity851ba692009-08-24 11:10:17 +0300669 void (*run)(struct kvm_vcpu *vcpu);
670 int (*handle_exit)(struct kvm_vcpu *vcpu);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800671 void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
Glauber Costa2809f5d2009-05-12 16:21:05 -0400672 void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask);
673 u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800674 void (*patch_hypercall)(struct kvm_vcpu *vcpu,
675 unsigned char *hypercall_addr);
Gleb Natapov66fd3f72009-05-11 13:35:50 +0300676 void (*set_irq)(struct kvm_vcpu *vcpu);
Gleb Natapov95ba8273132009-04-21 17:45:08 +0300677 void (*set_nmi)(struct kvm_vcpu *vcpu);
Avi Kivity298101d2007-11-25 13:41:11 +0200678 void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr,
Joerg Roedelce7ddec2010-04-22 12:33:13 +0200679 bool has_error_code, u32 error_code,
680 bool reinject);
Avi Kivityb463a6f2010-07-20 15:06:17 +0300681 void (*cancel_injection)(struct kvm_vcpu *vcpu);
Gleb Natapov78646122009-03-23 12:12:11 +0200682 int (*interrupt_allowed)(struct kvm_vcpu *vcpu);
Gleb Natapov95ba8273132009-04-21 17:45:08 +0300683 int (*nmi_allowed)(struct kvm_vcpu *vcpu);
Jan Kiszka3cfc3092009-11-12 01:04:25 +0100684 bool (*get_nmi_mask)(struct kvm_vcpu *vcpu);
685 void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked);
Gleb Natapov95ba8273132009-04-21 17:45:08 +0300686 void (*enable_nmi_window)(struct kvm_vcpu *vcpu);
687 void (*enable_irq_window)(struct kvm_vcpu *vcpu);
688 void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800689 int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
Sheng Yang67253af2008-04-25 10:20:22 +0800690 int (*get_tdp_level)(void);
Sheng Yang4b12f0d2009-04-27 20:35:42 +0800691 u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
Sheng Yang17cc3932010-01-05 19:02:27 +0800692 int (*get_lpage_level)(void);
Sheng Yang4e47c7a2009-12-18 16:48:47 +0800693 bool (*rdtscp_supported)(void);
Mao, Junjiead756a12012-07-02 01:18:48 +0000694 bool (*invpcid_supported)(void);
Marcelo Tosattif1e2b262012-02-03 15:43:55 -0200695 void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment, bool host);
Joerg Roedel344f4142009-07-27 16:30:48 +0200696
Joerg Roedel1c97f0a2010-09-10 17:30:41 +0200697 void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
698
Joerg Roedeld4330ef2010-04-22 12:33:11 +0200699 void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
700
Sheng Yangf5f48ee2010-06-30 12:25:15 +0800701 bool (*has_wbinvd_exit)(void);
702
Zachary Amsdencc578282012-02-03 15:43:50 -0200703 void (*set_tsc_khz)(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale);
Zachary Amsden99e3e302010-08-19 22:07:17 -1000704 void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset);
705
Joerg Roedel857e4092011-03-25 09:44:50 +0100706 u64 (*compute_tsc_offset)(struct kvm_vcpu *vcpu, u64 target_tsc);
Nadav Har'Eld5c17852011-08-02 15:54:20 +0300707 u64 (*read_l1_tsc)(struct kvm_vcpu *vcpu);
Joerg Roedel857e4092011-03-25 09:44:50 +0100708
Avi Kivity586f9602010-11-18 13:09:54 +0200709 void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2);
Joerg Roedel8a76d7f2011-04-04 12:39:27 +0200710
711 int (*check_intercept)(struct kvm_vcpu *vcpu,
712 struct x86_instruction_info *info,
713 enum x86_intercept_stage stage);
Zhang Xiantaoea4a5ff2007-11-19 14:40:47 +0800714};
715
Gleb Natapovaf585b92010-10-14 11:22:46 +0200716struct kvm_arch_async_pf {
Gleb Natapov7c907052010-10-14 11:22:53 +0200717 u32 token;
Gleb Natapovaf585b92010-10-14 11:22:46 +0200718 gfn_t gfn;
Xiao Guangrongfb67e142010-12-07 10:35:25 +0800719 unsigned long cr3;
Xiao Guangrongc4806ac2010-11-12 14:49:55 +0800720 bool direct_map;
Gleb Natapovaf585b92010-10-14 11:22:46 +0200721};
722
Zhang Xiantao97896d02007-11-14 20:09:30 +0800723extern struct kvm_x86_ops *kvm_x86_ops;
724
Marcelo Tosattif1e2b262012-02-03 15:43:55 -0200725static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu,
726 s64 adjustment)
727{
728 kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, false);
729}
730
731static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment)
732{
733 kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, true);
734}
735
Zhang Xiantao54f15852007-11-19 15:24:28 +0800736int kvm_mmu_module_init(void);
737void kvm_mmu_module_exit(void);
738
739void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
740int kvm_mmu_create(struct kvm_vcpu *vcpu);
741int kvm_mmu_setup(struct kvm_vcpu *vcpu);
Sheng Yang7b523452008-04-25 21:13:50 +0800742void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
Sheng Yang4b12f0d2009-04-27 20:35:42 +0800743 u64 dirty_mask, u64 nx_mask, u64 x_mask);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800744
745int kvm_mmu_reset_context(struct kvm_vcpu *vcpu);
746void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot);
Takuya Yoshikawa5dc99b232012-03-01 19:32:16 +0900747void kvm_mmu_write_protect_pt_masked(struct kvm *kvm,
748 struct kvm_memory_slot *slot,
749 gfn_t gfn_offset, unsigned long mask);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800750void kvm_mmu_zap_all(struct kvm *kvm);
Zhang Xiantao3ad82a72007-11-20 13:11:38 +0800751unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800752void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);
753
Joerg Roedelff03a072010-09-10 17:30:57 +0200754int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3);
Joerg Roedelcc4b6872008-02-07 13:47:43 +0100755
Marcelo Tosatti3200f402008-03-29 20:17:59 -0300756int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
Avi Kivity9f811282008-03-02 14:06:05 +0200757 const void *val, int bytes);
Sheng Yang4b12f0d2009-04-27 20:35:42 +0800758u8 kvm_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn);
Marcelo Tosatti2f333bc2008-02-22 12:21:37 -0500759
760extern bool tdp_enabled;
Avi Kivity9f811282008-03-02 14:06:05 +0200761
Liu, Jinsonga3e06bb2011-09-22 16:55:52 +0800762u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu);
763
Joerg Roedel92a1f122011-03-25 09:44:51 +0100764/* control of guest tsc rate supported? */
765extern bool kvm_has_tsc_control;
766/* minimum supported tsc_khz for guests */
767extern u32 kvm_min_guest_tsc_khz;
768/* maximum supported tsc_khz for guests */
769extern u32 kvm_max_guest_tsc_khz;
770
Zhang Xiantao54f15852007-11-19 15:24:28 +0800771enum emulation_result {
772 EMULATE_DONE, /* no further processing */
773 EMULATE_DO_MMIO, /* kvm_run filled with mmio request */
774 EMULATE_FAIL, /* can't emulate this instruction */
775};
776
Sheng Yang571008d2008-01-02 14:49:22 +0800777#define EMULTYPE_NO_DECODE (1 << 0)
778#define EMULTYPE_TRAP_UD (1 << 1)
Gleb Natapovba8afb62009-04-12 13:36:57 +0300779#define EMULTYPE_SKIP (1 << 2)
Xiao Guangrong1cb3f3a2011-09-22 17:02:48 +0800780#define EMULTYPE_RETRY (1 << 3)
Andre Przywaradc25e892010-12-21 11:12:07 +0100781int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2,
782 int emulation_type, void *insn, int insn_len);
Andre Przywara51d8b662010-12-21 11:12:02 +0100783
784static inline int emulate_instruction(struct kvm_vcpu *vcpu,
785 int emulation_type)
786{
Andre Przywaradc25e892010-12-21 11:12:07 +0100787 return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0);
Andre Przywara51d8b662010-12-21 11:12:02 +0100788}
789
Joerg Roedelf2b4b7d2008-01-31 14:57:37 +0100790void kvm_enable_efer_bits(u64);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800791int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
792int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
793
794struct x86_emulate_ctxt;
795
Gleb Natapovcf8f70b2010-03-18 15:20:23 +0200796int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800797void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
798int kvm_emulate_halt(struct kvm_vcpu *vcpu);
Sheng Yangf5f48ee2010-06-30 12:25:15 +0800799int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800800
Guillaume Thouvenin3e6e0aa2008-05-27 10:18:46 +0200801void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
Gleb Natapovc6975182010-02-18 12:15:01 +0200802int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
Guillaume Thouvenin3e6e0aa2008-05-27 10:18:46 +0200803
Kevin Wolf7f3d35f2012-02-08 14:34:38 +0100804int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index,
805 int reason, bool has_error_code, u32 error_code);
Izik Eidus37817f22008-03-24 23:14:53 +0200806
Avi Kivity49a9b072010-06-10 17:02:14 +0300807int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
Avi Kivity23902182010-06-10 17:02:16 +0300808int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
Avi Kivitya83b29c2010-06-10 17:02:15 +0300809int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
Andre Przywaraeea1cff2010-12-21 11:12:00 +0100810int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
Gleb Natapov020df072010-04-13 10:05:23 +0300811int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val);
812int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val);
Avi Kivity2d3ad1f2008-02-24 11:20:43 +0200813unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
814void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800815void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
Dexuan Cui2acf9232010-06-10 11:27:12 +0800816int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800817
818int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
819int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data);
820
Jan Kiszka91586a32009-10-05 13:07:21 +0200821unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu);
822void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags);
Avi Kivity022cd0e2011-11-10 14:57:23 +0200823bool kvm_rdpmc(struct kvm_vcpu *vcpu);
Jan Kiszka91586a32009-10-05 13:07:21 +0200824
Avi Kivity298101d2007-11-25 13:41:11 +0200825void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
826void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
Joerg Roedelce7ddec2010-04-22 12:33:13 +0200827void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
828void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
Avi Kivity6389ee92010-11-29 16:12:30 +0200829void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
Joerg Roedelec92fe42010-09-10 17:30:51 +0200830int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
831 gfn_t gfn, void *data, int offset, int len,
832 u32 access);
Avi Kivity6389ee92010-11-29 16:12:30 +0200833void kvm_propagate_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
Avi Kivity0a79b002009-09-01 12:03:25 +0300834bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl);
Avi Kivity298101d2007-11-25 13:41:11 +0200835
Michael S. Tsirkin1a577b722012-07-19 13:45:20 +0300836static inline int __kvm_irq_line_state(unsigned long *irq_state,
837 int irq_source_id, int level)
838{
839 /* Logical OR for level trig interrupt */
840 if (level)
841 __set_bit(irq_source_id, irq_state);
842 else
843 __clear_bit(irq_source_id, irq_state);
844
845 return !!(*irq_state);
846}
847
848int kvm_pic_set_irq(struct kvm_pic *pic, int irq, int irq_source_id, int level);
849void kvm_pic_clear_all(struct kvm_pic *pic, int irq_source_id);
Xiantao Zhang3de42dc2008-10-06 13:48:45 +0800850
Sheng Yang3419ffc2008-05-15 09:52:48 +0800851void kvm_inject_nmi(struct kvm_vcpu *vcpu);
852
Jan Kiszka10ab25c2010-05-25 16:01:50 +0200853int fx_init(struct kvm_vcpu *vcpu);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800854
Avi Kivityd835dfe2007-11-21 02:57:59 +0200855void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800856void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
Xiao Guangrongf57f2ef2011-09-22 16:56:39 +0800857 const u8 *new, int bytes);
Xiao Guangrong1cb3f3a2011-09-22 17:02:48 +0800858int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800859int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva);
860void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);
861int kvm_mmu_load(struct kvm_vcpu *vcpu);
862void kvm_mmu_unload(struct kvm_vcpu *vcpu);
Marcelo Tosatti0ba73cd2008-09-23 13:18:34 -0300863void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu);
Xiao Guangronge459e322011-11-28 20:42:16 +0800864gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access);
Avi Kivityab9ae312010-11-22 17:53:26 +0200865gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva,
866 struct x86_exception *exception);
867gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva,
868 struct x86_exception *exception);
869gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva,
870 struct x86_exception *exception);
871gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva,
872 struct x86_exception *exception);
Zhang Xiantao54f15852007-11-19 15:24:28 +0800873
874int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
875
Andre Przywaradc25e892010-12-21 11:12:07 +0100876int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
877 void *insn, int insn_len);
Marcelo Tosattia7052892008-09-23 13:18:35 -0300878void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
Zhang Xiantao34c16ee2007-10-20 15:34:38 +0800879
Joerg Roedel18552672008-02-07 13:47:41 +0100880void kvm_enable_tdp(void);
Joerg Roedel5f4cb662008-07-14 20:36:36 +0200881void kvm_disable_tdp(void);
Joerg Roedel18552672008-02-07 13:47:41 +0100882
Carsten Ottede7d7892007-10-30 18:44:25 +0100883int complete_pio(struct kvm_vcpu *vcpu);
Gleb Natapovf850e2e2010-02-10 14:21:33 +0200884bool kvm_check_iopl(struct kvm_vcpu *vcpu);
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800885
Xiao Guangronge459e322011-11-28 20:42:16 +0800886static inline gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access)
887{
888 return gpa;
889}
890
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800891static inline struct kvm_mmu_page *page_header(hpa_t shadow_page)
892{
893 struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT);
894
895 return (struct kvm_mmu_page *)page_private(page);
896}
897
Avi Kivityd6e88ae2008-07-10 16:53:33 +0300898static inline u16 kvm_read_ldt(void)
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800899{
900 u16 ldt;
901 asm("sldt %0" : "=g"(ldt));
902 return ldt;
903}
904
Avi Kivityd6e88ae2008-07-10 16:53:33 +0300905static inline void kvm_load_ldt(u16 sel)
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800906{
907 asm("lldt %0" : : "rm"(sel));
908}
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800909
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800910#ifdef CONFIG_X86_64
911static inline unsigned long read_msr(unsigned long msr)
912{
913 u64 value;
914
915 rdmsrl(msr, value);
916 return value;
917}
918#endif
919
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800920static inline u32 get_rdx_init_val(void)
921{
922 return 0x600; /* P6 family */
923}
924
Avi Kivityc1a5d4f2007-11-25 14:12:03 +0200925static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
926{
927 kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
928}
929
Zhang Xiantaoec6d2732007-11-19 15:08:31 +0800930#define TSS_IOPB_BASE_OFFSET 0x66
931#define TSS_BASE_SIZE 0x68
932#define TSS_IOPB_SIZE (65536 / 8)
933#define TSS_REDIRECTION_SIZE (256 / 8)
Joe Perches7d76b4d2008-03-23 01:02:34 -0700934#define RMODE_TSS_SIZE \
935 (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
Hollis Blanchard53e0aa72007-12-03 16:15:26 -0600936
Izik Eidus37817f22008-03-24 23:14:53 +0200937enum {
938 TASK_SWITCH_CALL = 0,
939 TASK_SWITCH_IRET = 1,
940 TASK_SWITCH_JMP = 2,
941 TASK_SWITCH_GATE = 3,
942};
943
Alexander Graf1371d902008-11-25 20:17:04 +0100944#define HF_GIF_MASK (1 << 0)
Alexander Graf3d6368e2008-11-25 20:17:07 +0100945#define HF_HIF_MASK (1 << 1)
946#define HF_VINTR_MASK (1 << 2)
Gleb Natapov95ba8273132009-04-21 17:45:08 +0300947#define HF_NMI_MASK (1 << 3)
Gleb Natapov44c11432009-05-11 13:35:52 +0300948#define HF_IRET_MASK (1 << 4)
Joerg Roedelec9e60b2010-11-29 17:51:47 +0100949#define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */
Alexander Graf1371d902008-11-25 20:17:04 +0100950
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300951/*
952 * Hardware virtualization extension instructions may fault if a
953 * reboot turns off virtualization while processes are running.
954 * Trap the fault and ignore the instruction if that happens.
955 */
Avi Kivityb7c41452010-12-02 17:52:50 +0200956asmlinkage void kvm_spurious_fault(void);
957extern bool kvm_rebooting;
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300958
Avi Kivity5e520e62011-05-15 10:13:12 -0400959#define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300960 "666: " insn "\n\t" \
Avi Kivityb7c41452010-12-02 17:52:50 +0200961 "668: \n\t" \
Eduardo Habkost18b13e52008-08-19 20:00:08 -0300962 ".pushsection .fixup, \"ax\" \n" \
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300963 "667: \n\t" \
Avi Kivity5e520e62011-05-15 10:13:12 -0400964 cleanup_insn "\n\t" \
Avi Kivityb7c41452010-12-02 17:52:50 +0200965 "cmpb $0, kvm_rebooting \n\t" \
966 "jne 668b \n\t" \
Avi Kivity8ceed3472008-08-14 21:25:47 +0300967 __ASM_SIZE(push) " $666b \n\t" \
Avi Kivityb7c41452010-12-02 17:52:50 +0200968 "call kvm_spurious_fault \n\t" \
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300969 ".popsection \n\t" \
H. Peter Anvin3ee89722012-04-20 13:41:59 -0700970 _ASM_EXTABLE(666b, 667b)
Avi Kivity4ecac3f2008-05-13 13:23:38 +0300971
Avi Kivity5e520e62011-05-15 10:13:12 -0400972#define __kvm_handle_fault_on_reboot(insn) \
973 ____kvm_handle_fault_on_reboot(insn, "")
974
Andrea Arcangelie930bff2008-07-25 16:24:52 +0200975#define KVM_ARCH_WANT_MMU_NOTIFIER
976int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
Takuya Yoshikawab3ae2092012-07-02 17:56:33 +0900977int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end);
Andrea Arcangelie930bff2008-07-25 16:24:52 +0200978int kvm_age_hva(struct kvm *kvm, unsigned long hva);
Andrea Arcangeli8ee53822011-01-13 15:47:10 -0800979int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
Izik Eidus3da0dd42009-09-23 21:47:18 +0300980void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
Dong, Eddie82725b22009-03-30 16:21:08 +0800981int cpuid_maxphyaddr(struct kvm_vcpu *vcpu);
Gleb Natapova1b37102009-07-09 15:33:52 +0300982int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu);
983int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu);
Gleb Natapov0b717852009-07-09 15:33:53 +0300984int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
Andrea Arcangelie930bff2008-07-25 16:24:52 +0200985
Avi Kivity18863bd2009-09-07 11:12:18 +0300986void kvm_define_shared_msr(unsigned index, u32 msr);
Avi Kivityd5696722009-12-02 12:28:47 +0200987void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
Avi Kivity18863bd2009-09-07 11:12:18 +0300988
Jan Kiszkaf92653e2010-02-23 17:47:55 +0100989bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
990
Gleb Natapovaf585b92010-10-14 11:22:46 +0200991void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
992 struct kvm_async_pf *work);
993void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
994 struct kvm_async_pf *work);
Gleb Natapov56028d02010-10-17 18:13:42 +0200995void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
996 struct kvm_async_pf *work);
Gleb Natapov7c907052010-10-14 11:22:53 +0200997bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
Gleb Natapovaf585b92010-10-14 11:22:46 +0200998extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
999
Andre Przywaradb8fcef2010-12-21 11:12:01 +01001000void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err);
1001
Gleb Natapovf5132b02011-11-10 14:57:22 +02001002int kvm_is_in_guest(void);
1003
1004void kvm_pmu_init(struct kvm_vcpu *vcpu);
1005void kvm_pmu_destroy(struct kvm_vcpu *vcpu);
1006void kvm_pmu_reset(struct kvm_vcpu *vcpu);
1007void kvm_pmu_cpuid_update(struct kvm_vcpu *vcpu);
1008bool kvm_pmu_msr(struct kvm_vcpu *vcpu, u32 msr);
1009int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
1010int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data);
1011int kvm_pmu_read_pmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
1012void kvm_handle_pmu_event(struct kvm_vcpu *vcpu);
1013void kvm_deliver_pmi(struct kvm_vcpu *vcpu);
1014
H. Peter Anvin1965aae2008-10-22 22:26:29 -07001015#endif /* _ASM_X86_KVM_HOST_H */