Vegard Nossum | a656c8e | 2008-07-22 21:27:11 +0200 | [diff] [blame] | 1 | /* |
Carsten Otte | 043405e | 2007-10-10 17:16:19 +0200 | [diff] [blame] | 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 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 11 | #ifndef _ASM_X86_KVM_HOST_H |
| 12 | #define _ASM_X86_KVM_HOST_H |
Carsten Otte | 043405e | 2007-10-10 17:16:19 +0200 | [diff] [blame] | 13 | |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 14 | #include <linux/types.h> |
| 15 | #include <linux/mm.h> |
Andrea Arcangeli | e930bff | 2008-07-25 16:24:52 +0200 | [diff] [blame] | 16 | #include <linux/mmu_notifier.h> |
Marcelo Tosatti | 229456f | 2009-06-17 09:22:14 -0300 | [diff] [blame] | 17 | #include <linux/tracepoint.h> |
Sheng Yang | f5f48ee | 2010-06-30 12:25:15 +0800 | [diff] [blame] | 18 | #include <linux/cpumask.h> |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 19 | |
| 20 | #include <linux/kvm.h> |
| 21 | #include <linux/kvm_para.h> |
Avi Kivity | edf8841 | 2007-12-16 11:02:48 +0200 | [diff] [blame] | 22 | #include <linux/kvm_types.h> |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 23 | |
Gerd Hoffmann | 50d0a0f | 2008-06-03 16:17:31 +0200 | [diff] [blame] | 24 | #include <asm/pvclock-abi.h> |
Hollis Blanchard | e01a1b5 | 2007-12-03 15:30:25 -0600 | [diff] [blame] | 25 | #include <asm/desc.h> |
Sheng Yang | 0bed3b5 | 2008-10-09 16:01:54 +0800 | [diff] [blame] | 26 | #include <asm/mtrr.h> |
Alexander Graf | 9962d03 | 2008-11-25 20:17:02 +0100 | [diff] [blame] | 27 | #include <asm/msr-index.h> |
Hollis Blanchard | e01a1b5 | 2007-12-03 15:30:25 -0600 | [diff] [blame] | 28 | |
Avi Kivity | 0680fe5 | 2009-12-27 17:00:46 +0200 | [diff] [blame] | 29 | #define KVM_MAX_VCPUS 64 |
Avi Kivity | 69a9f69 | 2008-03-21 12:38:23 +0200 | [diff] [blame] | 30 | #define KVM_MEMORY_SLOTS 32 |
| 31 | /* memory slots that does not exposed to userspace */ |
| 32 | #define KVM_PRIVATE_MEM_SLOTS 4 |
Avi Kivity | cef4dea | 2010-01-20 12:01:20 +0200 | [diff] [blame] | 33 | #define KVM_MMIO_SIZE 16 |
Avi Kivity | 69a9f69 | 2008-03-21 12:38:23 +0200 | [diff] [blame] | 34 | |
| 35 | #define KVM_PIO_PAGE_OFFSET 1 |
Laurent Vivier | 542472b | 2008-05-30 16:05:55 +0200 | [diff] [blame] | 36 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 2 |
Avi Kivity | 69a9f69 | 2008-03-21 12:38:23 +0200 | [diff] [blame] | 37 | |
Joerg Roedel | cfec82c | 2011-04-04 12:39:28 +0200 | [diff] [blame] | 38 | #define CR0_RESERVED_BITS \ |
| 39 | (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ |
| 40 | | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ |
| 41 | | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) |
| 42 | |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 43 | #define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1) |
| 44 | #define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD)) |
Joe Perches | 7d76b4d | 2008-03-23 01:02:34 -0700 | [diff] [blame] | 45 | #define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS | \ |
| 46 | 0xFFFFFF0000000000ULL) |
Joerg Roedel | cfec82c | 2011-04-04 12:39:28 +0200 | [diff] [blame] | 47 | #define CR4_RESERVED_BITS \ |
| 48 | (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ |
| 49 | | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ |
| 50 | | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR \ |
Yang, Wei | d9c3476 | 2011-06-14 20:10:17 +0800 | [diff] [blame^] | 51 | | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_RDWRGSFS \ |
Joerg Roedel | cfec82c | 2011-04-04 12:39:28 +0200 | [diff] [blame] | 52 | | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE)) |
| 53 | |
| 54 | #define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) |
| 55 | |
| 56 | |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 57 | |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 58 | #define INVALID_PAGE (~(hpa_t)0) |
Xiao Guangrong | dd180b3 | 2010-07-03 16:02:42 +0800 | [diff] [blame] | 59 | #define VALID_PAGE(x) ((x) != INVALID_PAGE) |
| 60 | |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 61 | #define UNMAPPED_GVA (~(gpa_t)0) |
| 62 | |
Joerg Roedel | ec04b26 | 2009-06-19 15:16:23 +0200 | [diff] [blame] | 63 | /* KVM Hugepage definitions for x86 */ |
Joerg Roedel | 04326ca | 2009-07-27 16:30:47 +0200 | [diff] [blame] | 64 | #define KVM_NR_PAGE_SIZES 3 |
Joerg Roedel | 8285541 | 2010-07-01 16:00:11 +0200 | [diff] [blame] | 65 | #define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) |
| 66 | #define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) |
Joerg Roedel | ec04b26 | 2009-06-19 15:16:23 +0200 | [diff] [blame] | 67 | #define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) |
| 68 | #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) |
| 69 | #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) |
Marcelo Tosatti | 05da455 | 2008-02-23 11:44:30 -0300 | [diff] [blame] | 70 | |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 71 | #define DE_VECTOR 0 |
Jan Kiszka | 19bd8af | 2008-07-13 13:40:55 +0200 | [diff] [blame] | 72 | #define DB_VECTOR 1 |
Jan Kiszka | 77ab6db | 2008-07-14 12:28:51 +0200 | [diff] [blame] | 73 | #define BP_VECTOR 3 |
| 74 | #define OF_VECTOR 4 |
| 75 | #define BR_VECTOR 5 |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 76 | #define UD_VECTOR 6 |
| 77 | #define NM_VECTOR 7 |
| 78 | #define DF_VECTOR 8 |
| 79 | #define TS_VECTOR 10 |
| 80 | #define NP_VECTOR 11 |
| 81 | #define SS_VECTOR 12 |
| 82 | #define GP_VECTOR 13 |
| 83 | #define PF_VECTOR 14 |
Jan Kiszka | 77ab6db | 2008-07-14 12:28:51 +0200 | [diff] [blame] | 84 | #define MF_VECTOR 16 |
Joerg Roedel | 53371b5 | 2008-04-09 14:15:30 +0200 | [diff] [blame] | 85 | #define MC_VECTOR 18 |
Zhang Xiantao | cd6e8f8 | 2007-11-19 14:33:37 +0800 | [diff] [blame] | 86 | |
| 87 | #define SELECTOR_TI_MASK (1 << 2) |
| 88 | #define SELECTOR_RPL_MASK 0x03 |
| 89 | |
| 90 | #define IOPL_SHIFT 12 |
| 91 | |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 92 | #define KVM_PERMILLE_MMU_PAGES 20 |
| 93 | #define KVM_MIN_ALLOC_MMU_PAGES 64 |
Dong, Eddie | 1ae0a13 | 2008-01-07 13:20:25 +0200 | [diff] [blame] | 94 | #define KVM_MMU_HASH_SHIFT 10 |
| 95 | #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT) |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 96 | #define KVM_MIN_FREE_MMU_PAGES 5 |
| 97 | #define KVM_REFILL_PAGES 25 |
Andre Przywara | 73c1160 | 2010-12-01 12:17:44 +0100 | [diff] [blame] | 98 | #define KVM_MAX_CPUID_ENTRIES 80 |
Sheng Yang | 0bed3b5 | 2008-10-09 16:01:54 +0800 | [diff] [blame] | 99 | #define KVM_NR_FIXED_MTRR_REGION 88 |
Avi Kivity | 9ba075a | 2008-05-26 20:06:35 +0300 | [diff] [blame] | 100 | #define KVM_NR_VAR_MTRR 8 |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 101 | |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 102 | #define ASYNC_PF_PER_VCPU 64 |
| 103 | |
Jan Kiszka | e935b83 | 2011-02-08 12:55:33 +0100 | [diff] [blame] | 104 | extern raw_spinlock_t kvm_lock; |
Zhang Xiantao | e9b11c1 | 2007-11-14 20:38:21 +0800 | [diff] [blame] | 105 | extern struct list_head vm_list; |
| 106 | |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 107 | struct kvm_vcpu; |
| 108 | struct kvm; |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 109 | struct kvm_async_pf; |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 110 | |
Marcelo Tosatti | 5fdbf97 | 2008-06-27 14:58:02 -0300 | [diff] [blame] | 111 | enum kvm_reg { |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 112 | VCPU_REGS_RAX = 0, |
| 113 | VCPU_REGS_RCX = 1, |
| 114 | VCPU_REGS_RDX = 2, |
| 115 | VCPU_REGS_RBX = 3, |
| 116 | VCPU_REGS_RSP = 4, |
| 117 | VCPU_REGS_RBP = 5, |
| 118 | VCPU_REGS_RSI = 6, |
| 119 | VCPU_REGS_RDI = 7, |
| 120 | #ifdef CONFIG_X86_64 |
| 121 | VCPU_REGS_R8 = 8, |
| 122 | VCPU_REGS_R9 = 9, |
| 123 | VCPU_REGS_R10 = 10, |
| 124 | VCPU_REGS_R11 = 11, |
| 125 | VCPU_REGS_R12 = 12, |
| 126 | VCPU_REGS_R13 = 13, |
| 127 | VCPU_REGS_R14 = 14, |
| 128 | VCPU_REGS_R15 = 15, |
| 129 | #endif |
Marcelo Tosatti | 5fdbf97 | 2008-06-27 14:58:02 -0300 | [diff] [blame] | 130 | VCPU_REGS_RIP, |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 131 | NR_VCPU_REGS |
| 132 | }; |
| 133 | |
Avi Kivity | 6de4f3a | 2009-05-31 22:58:47 +0300 | [diff] [blame] | 134 | enum kvm_reg_ex { |
| 135 | VCPU_EXREG_PDPTR = NR_VCPU_REGS, |
Avi Kivity | aff48ba | 2010-12-05 18:56:11 +0200 | [diff] [blame] | 136 | VCPU_EXREG_CR3, |
Avi Kivity | 6de1273 | 2011-03-07 12:51:22 +0200 | [diff] [blame] | 137 | VCPU_EXREG_RFLAGS, |
Avi Kivity | 69c7302 | 2011-03-07 15:26:44 +0200 | [diff] [blame] | 138 | VCPU_EXREG_CPL, |
Avi Kivity | 2fb92db | 2011-04-27 19:42:18 +0300 | [diff] [blame] | 139 | VCPU_EXREG_SEGMENTS, |
Avi Kivity | 6de4f3a | 2009-05-31 22:58:47 +0300 | [diff] [blame] | 140 | }; |
| 141 | |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 142 | enum { |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 143 | VCPU_SREG_ES, |
Avi Kivity | 81609e3 | 2008-05-27 16:26:01 +0300 | [diff] [blame] | 144 | VCPU_SREG_CS, |
| 145 | VCPU_SREG_SS, |
| 146 | VCPU_SREG_DS, |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 147 | VCPU_SREG_FS, |
| 148 | VCPU_SREG_GS, |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 149 | VCPU_SREG_TR, |
| 150 | VCPU_SREG_LDTR, |
| 151 | }; |
| 152 | |
Avi Kivity | 56e8231 | 2009-08-12 15:04:37 +0300 | [diff] [blame] | 153 | #include <asm/kvm_emulate.h> |
Zhang Xiantao | 2b3ccfa | 2007-11-19 14:56:05 +0800 | [diff] [blame] | 154 | |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 155 | #define KVM_NR_MEM_OBJS 40 |
| 156 | |
Jan Kiszka | 42dbaa5 | 2008-12-15 13:52:10 +0100 | [diff] [blame] | 157 | #define KVM_NR_DB_REGS 4 |
| 158 | |
| 159 | #define DR6_BD (1 << 13) |
| 160 | #define DR6_BS (1 << 14) |
| 161 | #define DR6_FIXED_1 0xffff0ff0 |
| 162 | #define DR6_VOLATILE 0x0000e00f |
| 163 | |
| 164 | #define DR7_BP_EN_MASK 0x000000ff |
| 165 | #define DR7_GE (1 << 9) |
| 166 | #define DR7_GD (1 << 13) |
| 167 | #define DR7_FIXED_1 0x00000400 |
| 168 | #define DR7_VOLATILE 0xffff23ff |
| 169 | |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 170 | /* |
| 171 | * We don't want allocation failures within the mmu code, so we preallocate |
| 172 | * enough memory for a single page fault in a cache. |
| 173 | */ |
| 174 | struct kvm_mmu_memory_cache { |
| 175 | int nobjs; |
| 176 | void *objects[KVM_NR_MEM_OBJS]; |
| 177 | }; |
| 178 | |
| 179 | #define NR_PTE_CHAIN_ENTRIES 5 |
| 180 | |
| 181 | struct kvm_pte_chain { |
| 182 | u64 *parent_ptes[NR_PTE_CHAIN_ENTRIES]; |
| 183 | struct hlist_node link; |
| 184 | }; |
| 185 | |
| 186 | /* |
| 187 | * kvm_mmu_page_role, below, is defined as: |
| 188 | * |
| 189 | * bits 0:3 - total guest paging levels (2-4, or zero for real mode) |
| 190 | * bits 4:7 - page table level for this shadow (1-4) |
| 191 | * bits 8:9 - page table quadrant for 2-level guests |
Avi Kivity | f6e2c02 | 2009-01-11 13:02:10 +0200 | [diff] [blame] | 192 | * bit 16 - direct mapping of virtual to physical mapping at gfn |
| 193 | * used for real mode and two-dimensional paging |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 194 | * bits 17:19 - common access permissions for all ptes in this shadow page |
| 195 | */ |
| 196 | union kvm_mmu_page_role { |
| 197 | unsigned word; |
| 198 | struct { |
Joe Perches | 7d76b4d | 2008-03-23 01:02:34 -0700 | [diff] [blame] | 199 | unsigned level:4; |
Avi Kivity | 5b7e010 | 2010-04-14 19:20:03 +0300 | [diff] [blame] | 200 | unsigned cr4_pae:1; |
Joe Perches | 7d76b4d | 2008-03-23 01:02:34 -0700 | [diff] [blame] | 201 | unsigned quadrant:2; |
| 202 | unsigned pad_for_nice_hex_output:6; |
Avi Kivity | f6e2c02 | 2009-01-11 13:02:10 +0200 | [diff] [blame] | 203 | unsigned direct:1; |
Joe Perches | 7d76b4d | 2008-03-23 01:02:34 -0700 | [diff] [blame] | 204 | unsigned access:3; |
Marcelo Tosatti | 2e53d63 | 2008-02-20 14:47:24 -0500 | [diff] [blame] | 205 | unsigned invalid:1; |
Avi Kivity | 9645bb56 | 2009-03-31 11:31:54 +0300 | [diff] [blame] | 206 | unsigned nxe:1; |
Avi Kivity | 3dbe141 | 2010-05-12 11:48:18 +0300 | [diff] [blame] | 207 | unsigned cr0_wp:1; |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 208 | }; |
| 209 | }; |
| 210 | |
| 211 | struct kvm_mmu_page { |
| 212 | struct list_head link; |
| 213 | struct hlist_node hash_link; |
| 214 | |
| 215 | /* |
| 216 | * The following two entries are used to key the shadow page in the |
| 217 | * hash table. |
| 218 | */ |
| 219 | gfn_t gfn; |
| 220 | union kvm_mmu_page_role role; |
| 221 | |
| 222 | u64 *spt; |
| 223 | /* hold the gfn of each spte inside spt */ |
| 224 | gfn_t *gfns; |
Sheng Yang | 291f26b | 2008-10-16 17:30:57 +0800 | [diff] [blame] | 225 | /* |
| 226 | * One bit set per slot which has memory |
| 227 | * in this shadow page. |
| 228 | */ |
| 229 | DECLARE_BITMAP(slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS); |
Marcelo Tosatti | 4731d4c | 2008-09-23 13:18:39 -0300 | [diff] [blame] | 230 | bool unsync; |
Xiao Guangrong | 0571d36 | 2010-04-16 21:27:54 +0800 | [diff] [blame] | 231 | int root_count; /* Currently serving as active root */ |
Marcelo Tosatti | 60c8aec | 2008-12-01 22:32:02 -0200 | [diff] [blame] | 232 | unsigned int unsync_children; |
Xiao Guangrong | 67052b3 | 2011-05-15 23:27:08 +0800 | [diff] [blame] | 233 | unsigned long parent_ptes; /* Reverse mapping for parent_pte */ |
Marcelo Tosatti | 0074ff6 | 2008-09-23 13:18:40 -0300 | [diff] [blame] | 234 | DECLARE_BITMAP(unsync_child_bitmap, 512); |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 235 | }; |
| 236 | |
Dave Hansen | 6ad18fb | 2008-08-11 10:01:49 -0700 | [diff] [blame] | 237 | struct kvm_pv_mmu_op_buffer { |
| 238 | void *ptr; |
| 239 | unsigned len; |
| 240 | unsigned processed; |
| 241 | char buf[512] __aligned(sizeof(long)); |
| 242 | }; |
| 243 | |
Avi Kivity | 1c08364 | 2009-01-04 12:39:07 +0200 | [diff] [blame] | 244 | struct kvm_pio_request { |
| 245 | unsigned long count; |
Avi Kivity | 1c08364 | 2009-01-04 12:39:07 +0200 | [diff] [blame] | 246 | int in; |
| 247 | int port; |
| 248 | int size; |
Avi Kivity | 1c08364 | 2009-01-04 12:39:07 +0200 | [diff] [blame] | 249 | }; |
| 250 | |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 251 | /* |
| 252 | * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level |
| 253 | * 32-bit). The kvm_mmu structure abstracts the details of the current mmu |
| 254 | * mode. |
| 255 | */ |
| 256 | struct kvm_mmu { |
| 257 | void (*new_cr3)(struct kvm_vcpu *vcpu); |
Joerg Roedel | f43addd | 2010-09-10 17:30:40 +0200 | [diff] [blame] | 258 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); |
Joerg Roedel | 5777ed3 | 2010-09-10 17:30:42 +0200 | [diff] [blame] | 259 | unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); |
Xiao Guangrong | 78b2c54 | 2010-12-07 10:48:06 +0800 | [diff] [blame] | 260 | int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, |
| 261 | bool prefault); |
Avi Kivity | 6389ee9 | 2010-11-29 16:12:30 +0200 | [diff] [blame] | 262 | void (*inject_page_fault)(struct kvm_vcpu *vcpu, |
| 263 | struct x86_exception *fault); |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 264 | void (*free)(struct kvm_vcpu *vcpu); |
Gleb Natapov | 1871c60 | 2010-02-10 14:21:32 +0200 | [diff] [blame] | 265 | gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, |
Avi Kivity | ab9ae31 | 2010-11-22 17:53:26 +0200 | [diff] [blame] | 266 | struct x86_exception *exception); |
Joerg Roedel | c30a358 | 2010-09-10 17:30:48 +0200 | [diff] [blame] | 267 | gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access); |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 268 | void (*prefetch_page)(struct kvm_vcpu *vcpu, |
| 269 | struct kvm_mmu_page *page); |
Marcelo Tosatti | e8bc217 | 2008-09-23 13:18:33 -0300 | [diff] [blame] | 270 | int (*sync_page)(struct kvm_vcpu *vcpu, |
Xiao Guangrong | a4a8e6f | 2010-11-19 17:04:03 +0800 | [diff] [blame] | 271 | struct kvm_mmu_page *sp); |
Marcelo Tosatti | a705289 | 2008-09-23 13:18:35 -0300 | [diff] [blame] | 272 | void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); |
Xiao Guangrong | 0f53b5b | 2011-03-09 15:43:51 +0800 | [diff] [blame] | 273 | void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, |
Xiao Guangrong | 7c56252 | 2011-03-28 10:29:27 +0800 | [diff] [blame] | 274 | u64 *spte, const void *pte); |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 275 | hpa_t root_hpa; |
| 276 | int root_level; |
| 277 | int shadow_root_level; |
Avi Kivity | a770f6f | 2008-12-21 19:20:09 +0200 | [diff] [blame] | 278 | union kvm_mmu_page_role base_role; |
Joerg Roedel | c5a78f2b | 2010-09-10 17:30:39 +0200 | [diff] [blame] | 279 | bool direct_map; |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 280 | |
| 281 | u64 *pae_root; |
Joerg Roedel | 81407ca | 2010-09-10 17:31:00 +0200 | [diff] [blame] | 282 | u64 *lm_root; |
Dong, Eddie | 82725b2 | 2009-03-30 16:21:08 +0800 | [diff] [blame] | 283 | u64 rsvd_bits_mask[2][4]; |
Joerg Roedel | ff03a07 | 2010-09-10 17:30:57 +0200 | [diff] [blame] | 284 | |
Joerg Roedel | 2d48a98 | 2010-09-10 17:31:01 +0200 | [diff] [blame] | 285 | bool nx; |
| 286 | |
Joerg Roedel | ff03a07 | 2010-09-10 17:30:57 +0200 | [diff] [blame] | 287 | u64 pdptrs[4]; /* pae */ |
Zhang Xiantao | d657a98 | 2007-12-14 09:41:22 +0800 | [diff] [blame] | 288 | }; |
| 289 | |
Zhang Xiantao | ad312c7 | 2007-12-13 23:50:52 +0800 | [diff] [blame] | 290 | struct kvm_vcpu_arch { |
Marcelo Tosatti | 5fdbf97 | 2008-06-27 14:58:02 -0300 | [diff] [blame] | 291 | /* |
| 292 | * rip and regs accesses must go through |
| 293 | * kvm_{register,rip}_{read,write} functions. |
| 294 | */ |
| 295 | unsigned long regs[NR_VCPU_REGS]; |
| 296 | u32 regs_avail; |
| 297 | u32 regs_dirty; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 298 | |
| 299 | unsigned long cr0; |
Avi Kivity | e8467fd | 2009-12-29 18:43:06 +0200 | [diff] [blame] | 300 | unsigned long cr0_guest_owned_bits; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 301 | unsigned long cr2; |
| 302 | unsigned long cr3; |
| 303 | unsigned long cr4; |
Avi Kivity | fc78f51 | 2009-12-07 12:16:48 +0200 | [diff] [blame] | 304 | unsigned long cr4_guest_owned_bits; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 305 | unsigned long cr8; |
Alexander Graf | 1371d90 | 2008-11-25 20:17:04 +0100 | [diff] [blame] | 306 | u32 hflags; |
Avi Kivity | f6801df | 2010-01-21 15:31:50 +0200 | [diff] [blame] | 307 | u64 efer; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 308 | u64 apic_base; |
| 309 | struct kvm_lapic *apic; /* kernel irqchip context */ |
Gleb Natapov | e103571 | 2009-03-05 16:34:59 +0200 | [diff] [blame] | 310 | int32_t apic_arb_prio; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 311 | int mp_state; |
| 312 | int sipi_vector; |
| 313 | u64 ia32_misc_enable_msr; |
Avi Kivity | b209749f | 2007-10-22 16:50:39 +0200 | [diff] [blame] | 314 | bool tpr_access_reporting; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 315 | |
Joerg Roedel | 14dfe85 | 2010-09-10 17:30:49 +0200 | [diff] [blame] | 316 | /* |
| 317 | * Paging state of the vcpu |
| 318 | * |
| 319 | * If the vcpu runs in guest mode with two level paging this still saves |
| 320 | * the paging mode of the l1 guest. This context is always used to |
| 321 | * handle faults. |
| 322 | */ |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 323 | struct kvm_mmu mmu; |
Joerg Roedel | 8df25a3 | 2010-09-10 17:30:46 +0200 | [diff] [blame] | 324 | |
| 325 | /* |
Joerg Roedel | 6539e73 | 2010-09-10 17:30:50 +0200 | [diff] [blame] | 326 | * Paging state of an L2 guest (used for nested npt) |
| 327 | * |
| 328 | * This context will save all necessary information to walk page tables |
| 329 | * of the an L2 guest. This context is only initialized for page table |
| 330 | * walking and not for faulting since we never handle l2 page faults on |
| 331 | * the host. |
| 332 | */ |
| 333 | struct kvm_mmu nested_mmu; |
| 334 | |
| 335 | /* |
Joerg Roedel | 14dfe85 | 2010-09-10 17:30:49 +0200 | [diff] [blame] | 336 | * Pointer to the mmu context currently used for |
| 337 | * gva_to_gpa translations. |
| 338 | */ |
| 339 | struct kvm_mmu *walk_mmu; |
| 340 | |
Dave Hansen | 6ad18fb | 2008-08-11 10:01:49 -0700 | [diff] [blame] | 341 | /* only needed in kvm_pv_mmu_op() path, but it's hot so |
| 342 | * put it here to avoid allocation */ |
| 343 | struct kvm_pv_mmu_op_buffer mmu_op_buffer; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 344 | |
Xiao Guangrong | 53c07b1 | 2011-05-15 23:26:20 +0800 | [diff] [blame] | 345 | struct kvm_mmu_memory_cache mmu_pte_list_desc_cache; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 346 | struct kvm_mmu_memory_cache mmu_page_cache; |
| 347 | struct kvm_mmu_memory_cache mmu_page_header_cache; |
| 348 | |
| 349 | gfn_t last_pt_write_gfn; |
| 350 | int last_pt_write_count; |
| 351 | u64 *last_pte_updated; |
Avi Kivity | 1b7fcd3 | 2008-05-15 13:51:35 +0300 | [diff] [blame] | 352 | gfn_t last_pte_gfn; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 353 | |
Sheng Yang | 9891883 | 2010-05-17 17:08:28 +0800 | [diff] [blame] | 354 | struct fpu guest_fpu; |
Dexuan Cui | 2acf923 | 2010-06-10 11:27:12 +0800 | [diff] [blame] | 355 | u64 xcr0; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 356 | |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 357 | struct kvm_pio_request pio; |
| 358 | void *pio_data; |
| 359 | |
Gleb Natapov | 66fd3f7 | 2009-05-11 13:35:50 +0300 | [diff] [blame] | 360 | u8 event_exit_inst_len; |
| 361 | |
Avi Kivity | 298101d | 2007-11-25 13:41:11 +0200 | [diff] [blame] | 362 | struct kvm_queued_exception { |
| 363 | bool pending; |
| 364 | bool has_error_code; |
Joerg Roedel | ce7ddec | 2010-04-22 12:33:13 +0200 | [diff] [blame] | 365 | bool reinject; |
Avi Kivity | 298101d | 2007-11-25 13:41:11 +0200 | [diff] [blame] | 366 | u8 nr; |
| 367 | u32 error_code; |
| 368 | } exception; |
| 369 | |
Avi Kivity | 937a7ea | 2008-07-03 15:17:01 +0300 | [diff] [blame] | 370 | struct kvm_queued_interrupt { |
| 371 | bool pending; |
Gleb Natapov | 66fd3f7 | 2009-05-11 13:35:50 +0300 | [diff] [blame] | 372 | bool soft; |
Avi Kivity | 937a7ea | 2008-07-03 15:17:01 +0300 | [diff] [blame] | 373 | u8 nr; |
| 374 | } interrupt; |
| 375 | |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 376 | int halt_request; /* real mode on Intel only */ |
| 377 | |
| 378 | int cpuid_nent; |
Dan Kenigsberg | 0771671 | 2007-11-21 17:10:04 +0200 | [diff] [blame] | 379 | struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES]; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 380 | /* emulate context */ |
| 381 | |
| 382 | struct x86_emulate_ctxt emulate_ctxt; |
Gleb Natapov | 7ae441e | 2011-03-31 12:06:41 +0200 | [diff] [blame] | 383 | bool emulate_regs_need_sync_to_vcpu; |
| 384 | bool emulate_regs_need_sync_from_vcpu; |
Glauber de Oliveira Costa | 1806852 | 2008-02-15 17:52:47 -0200 | [diff] [blame] | 385 | |
| 386 | gpa_t time; |
Gerd Hoffmann | 50d0a0f | 2008-06-03 16:17:31 +0200 | [diff] [blame] | 387 | struct pvclock_vcpu_time_info hv_clock; |
Zachary Amsden | e48672f | 2010-08-19 22:07:23 -1000 | [diff] [blame] | 388 | unsigned int hw_tsc_khz; |
Glauber de Oliveira Costa | 1806852 | 2008-02-15 17:52:47 -0200 | [diff] [blame] | 389 | unsigned int time_offset; |
| 390 | struct page *time_page; |
Zachary Amsden | 1d5f066 | 2010-08-19 22:07:30 -1000 | [diff] [blame] | 391 | u64 last_guest_tsc; |
| 392 | u64 last_kernel_ns; |
Zachary Amsden | c285545 | 2010-09-18 14:38:15 -1000 | [diff] [blame] | 393 | u64 last_tsc_nsec; |
| 394 | u64 last_tsc_write; |
Joerg Roedel | 1e99361 | 2011-03-25 09:44:47 +0100 | [diff] [blame] | 395 | u32 virtual_tsc_khz; |
Zachary Amsden | c285545 | 2010-09-18 14:38:15 -1000 | [diff] [blame] | 396 | bool tsc_catchup; |
Joerg Roedel | 1e99361 | 2011-03-25 09:44:47 +0100 | [diff] [blame] | 397 | u32 tsc_catchup_mult; |
| 398 | s8 tsc_catchup_shift; |
Sheng Yang | 3419ffc | 2008-05-15 09:52:48 +0800 | [diff] [blame] | 399 | |
| 400 | bool nmi_pending; |
Avi Kivity | 668f612 | 2008-07-02 09:28:55 +0300 | [diff] [blame] | 401 | bool nmi_injected; |
Avi Kivity | 9ba075a | 2008-05-26 20:06:35 +0300 | [diff] [blame] | 402 | |
Sheng Yang | 0bed3b5 | 2008-10-09 16:01:54 +0800 | [diff] [blame] | 403 | struct mtrr_state_type mtrr_state; |
| 404 | u32 pat; |
Jan Kiszka | 42dbaa5 | 2008-12-15 13:52:10 +0100 | [diff] [blame] | 405 | |
| 406 | int switch_db_regs; |
Jan Kiszka | 42dbaa5 | 2008-12-15 13:52:10 +0100 | [diff] [blame] | 407 | unsigned long db[KVM_NR_DB_REGS]; |
| 408 | unsigned long dr6; |
| 409 | unsigned long dr7; |
| 410 | unsigned long eff_db[KVM_NR_DB_REGS]; |
Huang Ying | 890ca9a | 2009-05-11 16:48:15 +0800 | [diff] [blame] | 411 | |
| 412 | u64 mcg_cap; |
| 413 | u64 mcg_status; |
| 414 | u64 mcg_ctl; |
| 415 | u64 *mce_banks; |
Jan Kiszka | 94fe45d | 2009-10-18 13:24:44 +0200 | [diff] [blame] | 416 | |
| 417 | /* used for guest single stepping over the given code position */ |
Jan Kiszka | 94fe45d | 2009-10-18 13:24:44 +0200 | [diff] [blame] | 418 | unsigned long singlestep_rip; |
Jan Kiszka | f92653e | 2010-02-23 17:47:55 +0100 | [diff] [blame] | 419 | |
Gleb Natapov | 10388a0 | 2010-01-17 15:51:23 +0200 | [diff] [blame] | 420 | /* fields used by HYPER-V emulation */ |
| 421 | u64 hv_vapic; |
Sheng Yang | f5f48ee | 2010-06-30 12:25:15 +0800 | [diff] [blame] | 422 | |
| 423 | cpumask_var_t wbinvd_dirty_mask; |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 424 | |
| 425 | struct { |
| 426 | bool halted; |
| 427 | gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)]; |
Gleb Natapov | 344d958 | 2010-10-14 11:22:50 +0200 | [diff] [blame] | 428 | struct gfn_to_hva_cache data; |
| 429 | u64 msr_val; |
Gleb Natapov | 7c90705 | 2010-10-14 11:22:53 +0200 | [diff] [blame] | 430 | u32 id; |
Gleb Natapov | 6adba52 | 2010-10-14 11:22:55 +0200 | [diff] [blame] | 431 | bool send_user_only; |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 432 | } apf; |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 433 | }; |
| 434 | |
Marcelo Tosatti | fef9cce | 2009-12-23 14:35:17 -0200 | [diff] [blame] | 435 | struct kvm_arch { |
Dave Hansen | 49d5ca2 | 2010-08-19 18:11:28 -0700 | [diff] [blame] | 436 | unsigned int n_used_mmu_pages; |
Zhang Xiantao | f05e70a | 2007-12-14 10:01:48 +0800 | [diff] [blame] | 437 | unsigned int n_requested_mmu_pages; |
Dave Hansen | 39de71e | 2010-08-19 18:11:14 -0700 | [diff] [blame] | 438 | unsigned int n_max_mmu_pages; |
Xiao Guangrong | 332b207 | 2011-05-15 23:20:27 +0800 | [diff] [blame] | 439 | unsigned int indirect_shadow_pages; |
Avi Kivity | 08e850c | 2010-03-15 13:59:57 +0200 | [diff] [blame] | 440 | atomic_t invlpg_counter; |
Zhang Xiantao | f05e70a | 2007-12-14 10:01:48 +0800 | [diff] [blame] | 441 | struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; |
| 442 | /* |
| 443 | * Hash table of struct kvm_mmu_page. |
| 444 | */ |
| 445 | struct list_head active_mmu_pages; |
Ben-Ami Yassour | 4d5c5d0 | 2008-07-28 19:26:26 +0300 | [diff] [blame] | 446 | struct list_head assigned_dev_head; |
Joerg Roedel | 19de40a | 2008-12-03 14:43:34 +0100 | [diff] [blame] | 447 | struct iommu_domain *iommu_domain; |
Sheng Yang | 522c68c | 2009-04-27 20:35:43 +0800 | [diff] [blame] | 448 | int iommu_flags; |
Zhang Xiantao | d7deeeb0 | 2007-12-14 10:17:34 +0800 | [diff] [blame] | 449 | struct kvm_pic *vpic; |
| 450 | struct kvm_ioapic *vioapic; |
Sheng Yang | 7837699 | 2008-01-28 05:10:22 +0800 | [diff] [blame] | 451 | struct kvm_pit *vpit; |
Jan Kiszka | cc6e462 | 2008-10-20 10:20:03 +0200 | [diff] [blame] | 452 | int vapics_in_nmi_mode; |
Zhang Xiantao | bfc6d22 | 2007-12-14 10:20:16 +0800 | [diff] [blame] | 453 | |
Zhang Xiantao | bfc6d22 | 2007-12-14 10:20:16 +0800 | [diff] [blame] | 454 | unsigned int tss_addr; |
| 455 | struct page *apic_access_page; |
Glauber de Oliveira Costa | 1806852 | 2008-02-15 17:52:47 -0200 | [diff] [blame] | 456 | |
| 457 | gpa_t wall_clock; |
Sheng Yang | b7ebfb0 | 2008-04-25 21:44:52 +0800 | [diff] [blame] | 458 | |
| 459 | struct page *ept_identity_pagetable; |
| 460 | bool ept_identity_pagetable_done; |
Sheng Yang | b927a3c | 2009-07-21 10:42:48 +0800 | [diff] [blame] | 461 | gpa_t ept_identity_map_addr; |
Sheng Yang | 5550af4 | 2008-10-15 20:15:06 +0800 | [diff] [blame] | 462 | |
| 463 | unsigned long irq_sources_bitmap; |
Glauber Costa | afbcf7a | 2009-10-16 15:28:36 -0400 | [diff] [blame] | 464 | s64 kvmclock_offset; |
Jan Kiszka | 038f8c1 | 2011-02-04 10:49:11 +0100 | [diff] [blame] | 465 | raw_spinlock_t tsc_write_lock; |
Zachary Amsden | f38e098 | 2010-08-19 22:07:20 -1000 | [diff] [blame] | 466 | u64 last_tsc_nsec; |
| 467 | u64 last_tsc_offset; |
| 468 | u64 last_tsc_write; |
Ed Swierk | ffde22a | 2009-10-15 15:21:43 -0700 | [diff] [blame] | 469 | |
| 470 | struct kvm_xen_hvm_config xen_hvm_config; |
Gleb Natapov | 55cd8e5 | 2010-01-17 15:51:22 +0200 | [diff] [blame] | 471 | |
| 472 | /* fields used by HYPER-V emulation */ |
| 473 | u64 hv_guest_os_id; |
| 474 | u64 hv_hypercall; |
Xiao Guangrong | b034cf0 | 2010-12-23 16:08:35 +0800 | [diff] [blame] | 475 | |
| 476 | #ifdef CONFIG_KVM_MMU_AUDIT |
| 477 | int audit_point; |
| 478 | #endif |
Zhang Xiantao | d69fb81 | 2007-12-14 09:54:20 +0800 | [diff] [blame] | 479 | }; |
| 480 | |
Zhang Xiantao | 0711456 | 2007-12-14 10:23:23 +0800 | [diff] [blame] | 481 | struct kvm_vm_stat { |
| 482 | u32 mmu_shadow_zapped; |
| 483 | u32 mmu_pte_write; |
| 484 | u32 mmu_pte_updated; |
| 485 | u32 mmu_pde_zapped; |
| 486 | u32 mmu_flooded; |
| 487 | u32 mmu_recycled; |
Avi Kivity | dfc5aa0 | 2007-12-18 19:47:18 +0200 | [diff] [blame] | 488 | u32 mmu_cache_miss; |
Marcelo Tosatti | 4731d4c | 2008-09-23 13:18:39 -0300 | [diff] [blame] | 489 | u32 mmu_unsync; |
Zhang Xiantao | 0711456 | 2007-12-14 10:23:23 +0800 | [diff] [blame] | 490 | u32 remote_tlb_flush; |
Marcelo Tosatti | 05da455 | 2008-02-23 11:44:30 -0300 | [diff] [blame] | 491 | u32 lpages; |
Zhang Xiantao | 0711456 | 2007-12-14 10:23:23 +0800 | [diff] [blame] | 492 | }; |
| 493 | |
Zhang Xiantao | 77b4c25 | 2007-12-14 09:49:26 +0800 | [diff] [blame] | 494 | struct kvm_vcpu_stat { |
| 495 | u32 pf_fixed; |
| 496 | u32 pf_guest; |
| 497 | u32 tlb_flush; |
| 498 | u32 invlpg; |
| 499 | |
| 500 | u32 exits; |
| 501 | u32 io_exits; |
| 502 | u32 mmio_exits; |
| 503 | u32 signal_exits; |
| 504 | u32 irq_window_exits; |
Sheng Yang | f08864b | 2008-05-15 18:23:25 +0800 | [diff] [blame] | 505 | u32 nmi_window_exits; |
Zhang Xiantao | 77b4c25 | 2007-12-14 09:49:26 +0800 | [diff] [blame] | 506 | u32 halt_exits; |
| 507 | u32 halt_wakeup; |
| 508 | u32 request_irq_exits; |
| 509 | u32 irq_exits; |
| 510 | u32 host_state_reload; |
| 511 | u32 efer_reload; |
| 512 | u32 fpu_reload; |
| 513 | u32 insn_emulation; |
| 514 | u32 insn_emulation_fail; |
Amit Shah | f11c3a8 | 2008-02-21 01:00:30 +0530 | [diff] [blame] | 515 | u32 hypercalls; |
Avi Kivity | fa89a81 | 2008-09-01 15:57:51 +0300 | [diff] [blame] | 516 | u32 irq_injections; |
Jan Kiszka | c4abb7c | 2008-09-26 09:30:55 +0200 | [diff] [blame] | 517 | u32 nmi_injections; |
Zhang Xiantao | 77b4c25 | 2007-12-14 09:49:26 +0800 | [diff] [blame] | 518 | }; |
Zhang Xiantao | ad312c7 | 2007-12-13 23:50:52 +0800 | [diff] [blame] | 519 | |
Joerg Roedel | 8a76d7f | 2011-04-04 12:39:27 +0200 | [diff] [blame] | 520 | struct x86_instruction_info; |
| 521 | |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 522 | struct kvm_x86_ops { |
| 523 | int (*cpu_has_kvm_support)(void); /* __init */ |
| 524 | int (*disabled_by_bios)(void); /* __init */ |
Alexander Graf | 10474ae | 2009-09-15 11:37:46 +0200 | [diff] [blame] | 525 | int (*hardware_enable)(void *dummy); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 526 | void (*hardware_disable)(void *dummy); |
| 527 | void (*check_processor_compatibility)(void *rtn); |
| 528 | int (*hardware_setup)(void); /* __init */ |
| 529 | void (*hardware_unsetup)(void); /* __exit */ |
Avi Kivity | 774ead3 | 2007-12-26 13:57:04 +0200 | [diff] [blame] | 530 | bool (*cpu_has_accelerated_tpr)(void); |
Sheng Yang | 0e85188 | 2009-12-18 16:48:46 +0800 | [diff] [blame] | 531 | void (*cpuid_update)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 532 | |
| 533 | /* Create, but do not attach this VCPU */ |
| 534 | struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); |
| 535 | void (*vcpu_free)(struct kvm_vcpu *vcpu); |
| 536 | int (*vcpu_reset)(struct kvm_vcpu *vcpu); |
| 537 | |
| 538 | void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); |
| 539 | void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); |
| 540 | void (*vcpu_put)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 541 | |
Jan Kiszka | 355be0b | 2009-10-03 00:31:21 +0200 | [diff] [blame] | 542 | void (*set_guest_debug)(struct kvm_vcpu *vcpu, |
| 543 | struct kvm_guest_debug *dbg); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 544 | int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata); |
| 545 | int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); |
| 546 | u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg); |
| 547 | void (*get_segment)(struct kvm_vcpu *vcpu, |
| 548 | struct kvm_segment *var, int seg); |
Izik Eidus | 2e4d265 | 2008-03-24 19:38:34 +0200 | [diff] [blame] | 549 | int (*get_cpl)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 550 | void (*set_segment)(struct kvm_vcpu *vcpu, |
| 551 | struct kvm_segment *var, int seg); |
| 552 | void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l); |
Avi Kivity | e8467fd | 2009-12-29 18:43:06 +0200 | [diff] [blame] | 553 | void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu); |
Avi Kivity | aff48ba | 2010-12-05 18:56:11 +0200 | [diff] [blame] | 554 | void (*decache_cr3)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 555 | void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu); |
| 556 | void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0); |
| 557 | void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); |
Nadav Har'El | 5e1746d | 2011-05-25 23:03:24 +0300 | [diff] [blame] | 558 | int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 559 | void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer); |
Gleb Natapov | 89a27f4 | 2010-02-16 10:51:48 +0200 | [diff] [blame] | 560 | void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
| 561 | void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
| 562 | void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
| 563 | void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); |
Gleb Natapov | 020df07 | 2010-04-13 10:05:23 +0300 | [diff] [blame] | 564 | void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value); |
Marcelo Tosatti | 5fdbf97 | 2008-06-27 14:58:02 -0300 | [diff] [blame] | 565 | void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 566 | unsigned long (*get_rflags)(struct kvm_vcpu *vcpu); |
| 567 | void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); |
Avi Kivity | 6b52d18 | 2010-01-21 15:31:47 +0200 | [diff] [blame] | 568 | void (*fpu_activate)(struct kvm_vcpu *vcpu); |
Avi Kivity | 02daab2 | 2009-12-30 12:40:26 +0200 | [diff] [blame] | 569 | void (*fpu_deactivate)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 570 | |
| 571 | void (*tlb_flush)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 572 | |
Avi Kivity | 851ba69 | 2009-08-24 11:10:17 +0300 | [diff] [blame] | 573 | void (*run)(struct kvm_vcpu *vcpu); |
| 574 | int (*handle_exit)(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 575 | void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); |
Glauber Costa | 2809f5d | 2009-05-12 16:21:05 -0400 | [diff] [blame] | 576 | void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); |
| 577 | u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 578 | void (*patch_hypercall)(struct kvm_vcpu *vcpu, |
| 579 | unsigned char *hypercall_addr); |
Gleb Natapov | 66fd3f7 | 2009-05-11 13:35:50 +0300 | [diff] [blame] | 580 | void (*set_irq)(struct kvm_vcpu *vcpu); |
Gleb Natapov | 95ba827313 | 2009-04-21 17:45:08 +0300 | [diff] [blame] | 581 | void (*set_nmi)(struct kvm_vcpu *vcpu); |
Avi Kivity | 298101d | 2007-11-25 13:41:11 +0200 | [diff] [blame] | 582 | void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr, |
Joerg Roedel | ce7ddec | 2010-04-22 12:33:13 +0200 | [diff] [blame] | 583 | bool has_error_code, u32 error_code, |
| 584 | bool reinject); |
Avi Kivity | b463a6f | 2010-07-20 15:06:17 +0300 | [diff] [blame] | 585 | void (*cancel_injection)(struct kvm_vcpu *vcpu); |
Gleb Natapov | 7864612 | 2009-03-23 12:12:11 +0200 | [diff] [blame] | 586 | int (*interrupt_allowed)(struct kvm_vcpu *vcpu); |
Gleb Natapov | 95ba827313 | 2009-04-21 17:45:08 +0300 | [diff] [blame] | 587 | int (*nmi_allowed)(struct kvm_vcpu *vcpu); |
Jan Kiszka | 3cfc309 | 2009-11-12 01:04:25 +0100 | [diff] [blame] | 588 | bool (*get_nmi_mask)(struct kvm_vcpu *vcpu); |
| 589 | void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked); |
Gleb Natapov | 95ba827313 | 2009-04-21 17:45:08 +0300 | [diff] [blame] | 590 | void (*enable_nmi_window)(struct kvm_vcpu *vcpu); |
| 591 | void (*enable_irq_window)(struct kvm_vcpu *vcpu); |
| 592 | void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr); |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 593 | int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); |
Sheng Yang | 67253af | 2008-04-25 10:20:22 +0800 | [diff] [blame] | 594 | int (*get_tdp_level)(void); |
Sheng Yang | 4b12f0d | 2009-04-27 20:35:42 +0800 | [diff] [blame] | 595 | u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); |
Sheng Yang | 17cc393 | 2010-01-05 19:02:27 +0800 | [diff] [blame] | 596 | int (*get_lpage_level)(void); |
Sheng Yang | 4e47c7a | 2009-12-18 16:48:47 +0800 | [diff] [blame] | 597 | bool (*rdtscp_supported)(void); |
Zachary Amsden | e48672f | 2010-08-19 22:07:23 -1000 | [diff] [blame] | 598 | void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment); |
Joerg Roedel | 344f414 | 2009-07-27 16:30:48 +0200 | [diff] [blame] | 599 | |
Joerg Roedel | 1c97f0a | 2010-09-10 17:30:41 +0200 | [diff] [blame] | 600 | void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); |
| 601 | |
Joerg Roedel | d4330ef | 2010-04-22 12:33:11 +0200 | [diff] [blame] | 602 | void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); |
| 603 | |
Sheng Yang | f5f48ee | 2010-06-30 12:25:15 +0800 | [diff] [blame] | 604 | bool (*has_wbinvd_exit)(void); |
| 605 | |
Joerg Roedel | 4051b18 | 2011-03-25 09:44:49 +0100 | [diff] [blame] | 606 | void (*set_tsc_khz)(struct kvm_vcpu *vcpu, u32 user_tsc_khz); |
Zachary Amsden | 99e3e30 | 2010-08-19 22:07:17 -1000 | [diff] [blame] | 607 | void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset); |
| 608 | |
Joerg Roedel | 857e409 | 2011-03-25 09:44:50 +0100 | [diff] [blame] | 609 | u64 (*compute_tsc_offset)(struct kvm_vcpu *vcpu, u64 target_tsc); |
| 610 | |
Avi Kivity | 586f960 | 2010-11-18 13:09:54 +0200 | [diff] [blame] | 611 | void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2); |
Joerg Roedel | 8a76d7f | 2011-04-04 12:39:27 +0200 | [diff] [blame] | 612 | |
| 613 | int (*check_intercept)(struct kvm_vcpu *vcpu, |
| 614 | struct x86_instruction_info *info, |
| 615 | enum x86_intercept_stage stage); |
| 616 | |
Marcelo Tosatti | 229456f | 2009-06-17 09:22:14 -0300 | [diff] [blame] | 617 | const struct trace_print_flags *exit_reasons_str; |
Zhang Xiantao | ea4a5ff | 2007-11-19 14:40:47 +0800 | [diff] [blame] | 618 | }; |
| 619 | |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 620 | struct kvm_arch_async_pf { |
Gleb Natapov | 7c90705 | 2010-10-14 11:22:53 +0200 | [diff] [blame] | 621 | u32 token; |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 622 | gfn_t gfn; |
Xiao Guangrong | fb67e14 | 2010-12-07 10:35:25 +0800 | [diff] [blame] | 623 | unsigned long cr3; |
Xiao Guangrong | c4806ac | 2010-11-12 14:49:55 +0800 | [diff] [blame] | 624 | bool direct_map; |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 625 | }; |
| 626 | |
Zhang Xiantao | 97896d0 | 2007-11-14 20:09:30 +0800 | [diff] [blame] | 627 | extern struct kvm_x86_ops *kvm_x86_ops; |
| 628 | |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 629 | int kvm_mmu_module_init(void); |
| 630 | void kvm_mmu_module_exit(void); |
| 631 | |
| 632 | void kvm_mmu_destroy(struct kvm_vcpu *vcpu); |
| 633 | int kvm_mmu_create(struct kvm_vcpu *vcpu); |
| 634 | int kvm_mmu_setup(struct kvm_vcpu *vcpu); |
| 635 | void kvm_mmu_set_nonpresent_ptes(u64 trap_pte, u64 notrap_pte); |
Sheng Yang | 7b52345 | 2008-04-25 21:13:50 +0800 | [diff] [blame] | 636 | void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask, |
Sheng Yang | 4b12f0d | 2009-04-27 20:35:42 +0800 | [diff] [blame] | 637 | u64 dirty_mask, u64 nx_mask, u64 x_mask); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 638 | |
| 639 | int kvm_mmu_reset_context(struct kvm_vcpu *vcpu); |
| 640 | void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot); |
| 641 | void kvm_mmu_zap_all(struct kvm *kvm); |
Zhang Xiantao | 3ad82a7 | 2007-11-20 13:11:38 +0800 | [diff] [blame] | 642 | unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 643 | void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); |
| 644 | |
Joerg Roedel | ff03a07 | 2010-09-10 17:30:57 +0200 | [diff] [blame] | 645 | int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3); |
Joerg Roedel | cc4b687 | 2008-02-07 13:47:43 +0100 | [diff] [blame] | 646 | |
Marcelo Tosatti | 3200f40 | 2008-03-29 20:17:59 -0300 | [diff] [blame] | 647 | int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, |
Avi Kivity | 9f81128 | 2008-03-02 14:06:05 +0200 | [diff] [blame] | 648 | const void *val, int bytes); |
Marcelo Tosatti | 2f333bc | 2008-02-22 12:21:37 -0500 | [diff] [blame] | 649 | int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, |
| 650 | gpa_t addr, unsigned long *ret); |
Sheng Yang | 4b12f0d | 2009-04-27 20:35:42 +0800 | [diff] [blame] | 651 | u8 kvm_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn); |
Marcelo Tosatti | 2f333bc | 2008-02-22 12:21:37 -0500 | [diff] [blame] | 652 | |
| 653 | extern bool tdp_enabled; |
Avi Kivity | 9f81128 | 2008-03-02 14:06:05 +0200 | [diff] [blame] | 654 | |
Joerg Roedel | 92a1f12 | 2011-03-25 09:44:51 +0100 | [diff] [blame] | 655 | /* control of guest tsc rate supported? */ |
| 656 | extern bool kvm_has_tsc_control; |
| 657 | /* minimum supported tsc_khz for guests */ |
| 658 | extern u32 kvm_min_guest_tsc_khz; |
| 659 | /* maximum supported tsc_khz for guests */ |
| 660 | extern u32 kvm_max_guest_tsc_khz; |
| 661 | |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 662 | enum emulation_result { |
| 663 | EMULATE_DONE, /* no further processing */ |
| 664 | EMULATE_DO_MMIO, /* kvm_run filled with mmio request */ |
| 665 | EMULATE_FAIL, /* can't emulate this instruction */ |
| 666 | }; |
| 667 | |
Sheng Yang | 571008d | 2008-01-02 14:49:22 +0800 | [diff] [blame] | 668 | #define EMULTYPE_NO_DECODE (1 << 0) |
| 669 | #define EMULTYPE_TRAP_UD (1 << 1) |
Gleb Natapov | ba8afb6 | 2009-04-12 13:36:57 +0300 | [diff] [blame] | 670 | #define EMULTYPE_SKIP (1 << 2) |
Andre Przywara | dc25e89 | 2010-12-21 11:12:07 +0100 | [diff] [blame] | 671 | int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, |
| 672 | int emulation_type, void *insn, int insn_len); |
Andre Przywara | 51d8b66 | 2010-12-21 11:12:02 +0100 | [diff] [blame] | 673 | |
| 674 | static inline int emulate_instruction(struct kvm_vcpu *vcpu, |
| 675 | int emulation_type) |
| 676 | { |
Andre Przywara | dc25e89 | 2010-12-21 11:12:07 +0100 | [diff] [blame] | 677 | return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); |
Andre Przywara | 51d8b66 | 2010-12-21 11:12:02 +0100 | [diff] [blame] | 678 | } |
| 679 | |
Joerg Roedel | f2b4b7d | 2008-01-31 14:57:37 +0100 | [diff] [blame] | 680 | void kvm_enable_efer_bits(u64); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 681 | int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data); |
| 682 | int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); |
| 683 | |
| 684 | struct x86_emulate_ctxt; |
| 685 | |
Gleb Natapov | cf8f70b | 2010-03-18 15:20:23 +0200 | [diff] [blame] | 686 | int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 687 | void kvm_emulate_cpuid(struct kvm_vcpu *vcpu); |
| 688 | int kvm_emulate_halt(struct kvm_vcpu *vcpu); |
Sheng Yang | f5f48ee | 2010-06-30 12:25:15 +0800 | [diff] [blame] | 689 | int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 690 | |
Guillaume Thouvenin | 3e6e0aa | 2008-05-27 10:18:46 +0200 | [diff] [blame] | 691 | void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); |
Gleb Natapov | c697518 | 2010-02-18 12:15:01 +0200 | [diff] [blame] | 692 | int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg); |
Guillaume Thouvenin | 3e6e0aa | 2008-05-27 10:18:46 +0200 | [diff] [blame] | 693 | |
Jan Kiszka | e269fb2 | 2010-04-14 15:51:09 +0200 | [diff] [blame] | 694 | int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason, |
| 695 | bool has_error_code, u32 error_code); |
Izik Eidus | 37817f2 | 2008-03-24 23:14:53 +0200 | [diff] [blame] | 696 | |
Avi Kivity | 49a9b07 | 2010-06-10 17:02:14 +0300 | [diff] [blame] | 697 | int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); |
Avi Kivity | 2390218 | 2010-06-10 17:02:16 +0300 | [diff] [blame] | 698 | int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3); |
Avi Kivity | a83b29c | 2010-06-10 17:02:15 +0300 | [diff] [blame] | 699 | int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); |
Andre Przywara | eea1cff | 2010-12-21 11:12:00 +0100 | [diff] [blame] | 700 | int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8); |
Gleb Natapov | 020df07 | 2010-04-13 10:05:23 +0300 | [diff] [blame] | 701 | int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val); |
| 702 | int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val); |
Avi Kivity | 2d3ad1f | 2008-02-24 11:20:43 +0200 | [diff] [blame] | 703 | unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu); |
| 704 | void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 705 | void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l); |
Dexuan Cui | 2acf923 | 2010-06-10 11:27:12 +0800 | [diff] [blame] | 706 | int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 707 | |
| 708 | int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); |
| 709 | int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data); |
| 710 | |
Jan Kiszka | 91586a3 | 2009-10-05 13:07:21 +0200 | [diff] [blame] | 711 | unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu); |
| 712 | void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); |
| 713 | |
Avi Kivity | 298101d | 2007-11-25 13:41:11 +0200 | [diff] [blame] | 714 | void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
| 715 | void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); |
Joerg Roedel | ce7ddec | 2010-04-22 12:33:13 +0200 | [diff] [blame] | 716 | void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr); |
| 717 | void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); |
Avi Kivity | 6389ee9 | 2010-11-29 16:12:30 +0200 | [diff] [blame] | 718 | void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); |
Joerg Roedel | ec92fe4 | 2010-09-10 17:30:51 +0200 | [diff] [blame] | 719 | int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, |
| 720 | gfn_t gfn, void *data, int offset, int len, |
| 721 | u32 access); |
Avi Kivity | 6389ee9 | 2010-11-29 16:12:30 +0200 | [diff] [blame] | 722 | void kvm_propagate_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); |
Avi Kivity | 0a79b00 | 2009-09-01 12:03:25 +0300 | [diff] [blame] | 723 | bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl); |
Avi Kivity | 298101d | 2007-11-25 13:41:11 +0200 | [diff] [blame] | 724 | |
Gleb Natapov | 4925663 | 2009-02-04 17:28:14 +0200 | [diff] [blame] | 725 | int kvm_pic_set_irq(void *opaque, int irq, int level); |
Xiantao Zhang | 3de42dc | 2008-10-06 13:48:45 +0800 | [diff] [blame] | 726 | |
Sheng Yang | 3419ffc | 2008-05-15 09:52:48 +0800 | [diff] [blame] | 727 | void kvm_inject_nmi(struct kvm_vcpu *vcpu); |
| 728 | |
Jan Kiszka | 10ab25c | 2010-05-25 16:01:50 +0200 | [diff] [blame] | 729 | int fx_init(struct kvm_vcpu *vcpu); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 730 | |
Avi Kivity | d835dfe | 2007-11-21 02:57:59 +0200 | [diff] [blame] | 731 | void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 732 | void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, |
Marcelo Tosatti | ad218f8 | 2008-12-01 22:32:05 -0200 | [diff] [blame] | 733 | const u8 *new, int bytes, |
| 734 | bool guest_initiated); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 735 | int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); |
| 736 | void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); |
| 737 | int kvm_mmu_load(struct kvm_vcpu *vcpu); |
| 738 | void kvm_mmu_unload(struct kvm_vcpu *vcpu); |
Marcelo Tosatti | 0ba73cd | 2008-09-23 13:18:34 -0300 | [diff] [blame] | 739 | void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu); |
Avi Kivity | ab9ae31 | 2010-11-22 17:53:26 +0200 | [diff] [blame] | 740 | gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, |
| 741 | struct x86_exception *exception); |
| 742 | gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, |
| 743 | struct x86_exception *exception); |
| 744 | gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, |
| 745 | struct x86_exception *exception); |
| 746 | gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, |
| 747 | struct x86_exception *exception); |
Zhang Xiantao | 54f1585 | 2007-11-19 15:24:28 +0800 | [diff] [blame] | 748 | |
| 749 | int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); |
| 750 | |
Andre Przywara | dc25e89 | 2010-12-21 11:12:07 +0100 | [diff] [blame] | 751 | int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
| 752 | void *insn, int insn_len); |
Marcelo Tosatti | a705289 | 2008-09-23 13:18:35 -0300 | [diff] [blame] | 753 | void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); |
Zhang Xiantao | 34c16ee | 2007-10-20 15:34:38 +0800 | [diff] [blame] | 754 | |
Joerg Roedel | 1855267 | 2008-02-07 13:47:41 +0100 | [diff] [blame] | 755 | void kvm_enable_tdp(void); |
Joerg Roedel | 5f4cb66 | 2008-07-14 20:36:36 +0200 | [diff] [blame] | 756 | void kvm_disable_tdp(void); |
Joerg Roedel | 1855267 | 2008-02-07 13:47:41 +0100 | [diff] [blame] | 757 | |
Carsten Otte | de7d789 | 2007-10-30 18:44:25 +0100 | [diff] [blame] | 758 | int complete_pio(struct kvm_vcpu *vcpu); |
Gleb Natapov | f850e2e | 2010-02-10 14:21:33 +0200 | [diff] [blame] | 759 | bool kvm_check_iopl(struct kvm_vcpu *vcpu); |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 760 | |
| 761 | static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) |
| 762 | { |
| 763 | struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); |
| 764 | |
| 765 | return (struct kvm_mmu_page *)page_private(page); |
| 766 | } |
| 767 | |
Avi Kivity | d6e88ae | 2008-07-10 16:53:33 +0300 | [diff] [blame] | 768 | static inline u16 kvm_read_ldt(void) |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 769 | { |
| 770 | u16 ldt; |
| 771 | asm("sldt %0" : "=g"(ldt)); |
| 772 | return ldt; |
| 773 | } |
| 774 | |
Avi Kivity | d6e88ae | 2008-07-10 16:53:33 +0300 | [diff] [blame] | 775 | static inline void kvm_load_ldt(u16 sel) |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 776 | { |
| 777 | asm("lldt %0" : : "rm"(sel)); |
| 778 | } |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 779 | |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 780 | #ifdef CONFIG_X86_64 |
| 781 | static inline unsigned long read_msr(unsigned long msr) |
| 782 | { |
| 783 | u64 value; |
| 784 | |
| 785 | rdmsrl(msr, value); |
| 786 | return value; |
| 787 | } |
| 788 | #endif |
| 789 | |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 790 | static inline u32 get_rdx_init_val(void) |
| 791 | { |
| 792 | return 0x600; /* P6 family */ |
| 793 | } |
| 794 | |
Avi Kivity | c1a5d4f | 2007-11-25 14:12:03 +0200 | [diff] [blame] | 795 | static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code) |
| 796 | { |
| 797 | kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); |
| 798 | } |
| 799 | |
Zhang Xiantao | ec6d273 | 2007-11-19 15:08:31 +0800 | [diff] [blame] | 800 | #define TSS_IOPB_BASE_OFFSET 0x66 |
| 801 | #define TSS_BASE_SIZE 0x68 |
| 802 | #define TSS_IOPB_SIZE (65536 / 8) |
| 803 | #define TSS_REDIRECTION_SIZE (256 / 8) |
Joe Perches | 7d76b4d | 2008-03-23 01:02:34 -0700 | [diff] [blame] | 804 | #define RMODE_TSS_SIZE \ |
| 805 | (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) |
Hollis Blanchard | 53e0aa7 | 2007-12-03 16:15:26 -0600 | [diff] [blame] | 806 | |
Izik Eidus | 37817f2 | 2008-03-24 23:14:53 +0200 | [diff] [blame] | 807 | enum { |
| 808 | TASK_SWITCH_CALL = 0, |
| 809 | TASK_SWITCH_IRET = 1, |
| 810 | TASK_SWITCH_JMP = 2, |
| 811 | TASK_SWITCH_GATE = 3, |
| 812 | }; |
| 813 | |
Alexander Graf | 1371d90 | 2008-11-25 20:17:04 +0100 | [diff] [blame] | 814 | #define HF_GIF_MASK (1 << 0) |
Alexander Graf | 3d6368e | 2008-11-25 20:17:07 +0100 | [diff] [blame] | 815 | #define HF_HIF_MASK (1 << 1) |
| 816 | #define HF_VINTR_MASK (1 << 2) |
Gleb Natapov | 95ba827313 | 2009-04-21 17:45:08 +0300 | [diff] [blame] | 817 | #define HF_NMI_MASK (1 << 3) |
Gleb Natapov | 44c1143 | 2009-05-11 13:35:52 +0300 | [diff] [blame] | 818 | #define HF_IRET_MASK (1 << 4) |
Joerg Roedel | ec9e60b | 2010-11-29 17:51:47 +0100 | [diff] [blame] | 819 | #define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ |
Alexander Graf | 1371d90 | 2008-11-25 20:17:04 +0100 | [diff] [blame] | 820 | |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 821 | /* |
| 822 | * Hardware virtualization extension instructions may fault if a |
| 823 | * reboot turns off virtualization while processes are running. |
| 824 | * Trap the fault and ignore the instruction if that happens. |
| 825 | */ |
Avi Kivity | b7c4145 | 2010-12-02 17:52:50 +0200 | [diff] [blame] | 826 | asmlinkage void kvm_spurious_fault(void); |
| 827 | extern bool kvm_rebooting; |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 828 | |
Avi Kivity | 5e520e6 | 2011-05-15 10:13:12 -0400 | [diff] [blame] | 829 | #define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 830 | "666: " insn "\n\t" \ |
Avi Kivity | b7c4145 | 2010-12-02 17:52:50 +0200 | [diff] [blame] | 831 | "668: \n\t" \ |
Eduardo Habkost | 18b13e5 | 2008-08-19 20:00:08 -0300 | [diff] [blame] | 832 | ".pushsection .fixup, \"ax\" \n" \ |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 833 | "667: \n\t" \ |
Avi Kivity | 5e520e6 | 2011-05-15 10:13:12 -0400 | [diff] [blame] | 834 | cleanup_insn "\n\t" \ |
Avi Kivity | b7c4145 | 2010-12-02 17:52:50 +0200 | [diff] [blame] | 835 | "cmpb $0, kvm_rebooting \n\t" \ |
| 836 | "jne 668b \n\t" \ |
Avi Kivity | 8ceed347 | 2008-08-14 21:25:47 +0300 | [diff] [blame] | 837 | __ASM_SIZE(push) " $666b \n\t" \ |
Avi Kivity | b7c4145 | 2010-12-02 17:52:50 +0200 | [diff] [blame] | 838 | "call kvm_spurious_fault \n\t" \ |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 839 | ".popsection \n\t" \ |
| 840 | ".pushsection __ex_table, \"a\" \n\t" \ |
Avi Kivity | 8ceed347 | 2008-08-14 21:25:47 +0300 | [diff] [blame] | 841 | _ASM_PTR " 666b, 667b \n\t" \ |
Avi Kivity | 4ecac3f | 2008-05-13 13:23:38 +0300 | [diff] [blame] | 842 | ".popsection" |
| 843 | |
Avi Kivity | 5e520e6 | 2011-05-15 10:13:12 -0400 | [diff] [blame] | 844 | #define __kvm_handle_fault_on_reboot(insn) \ |
| 845 | ____kvm_handle_fault_on_reboot(insn, "") |
| 846 | |
Andrea Arcangeli | e930bff | 2008-07-25 16:24:52 +0200 | [diff] [blame] | 847 | #define KVM_ARCH_WANT_MMU_NOTIFIER |
| 848 | int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); |
| 849 | int kvm_age_hva(struct kvm *kvm, unsigned long hva); |
Andrea Arcangeli | 8ee5382 | 2011-01-13 15:47:10 -0800 | [diff] [blame] | 850 | int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); |
Izik Eidus | 3da0dd4 | 2009-09-23 21:47:18 +0300 | [diff] [blame] | 851 | void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); |
Dong, Eddie | 82725b2 | 2009-03-30 16:21:08 +0800 | [diff] [blame] | 852 | int cpuid_maxphyaddr(struct kvm_vcpu *vcpu); |
Gleb Natapov | a1b3710 | 2009-07-09 15:33:52 +0300 | [diff] [blame] | 853 | int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu); |
| 854 | int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu); |
Gleb Natapov | 0b71785 | 2009-07-09 15:33:53 +0300 | [diff] [blame] | 855 | int kvm_cpu_get_interrupt(struct kvm_vcpu *v); |
Andrea Arcangeli | e930bff | 2008-07-25 16:24:52 +0200 | [diff] [blame] | 856 | |
Avi Kivity | 18863bd | 2009-09-07 11:12:18 +0300 | [diff] [blame] | 857 | void kvm_define_shared_msr(unsigned index, u32 msr); |
Avi Kivity | d569672 | 2009-12-02 12:28:47 +0200 | [diff] [blame] | 858 | void kvm_set_shared_msr(unsigned index, u64 val, u64 mask); |
Avi Kivity | 18863bd | 2009-09-07 11:12:18 +0300 | [diff] [blame] | 859 | |
Jan Kiszka | f92653e | 2010-02-23 17:47:55 +0100 | [diff] [blame] | 860 | bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip); |
| 861 | |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 862 | void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, |
| 863 | struct kvm_async_pf *work); |
| 864 | void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, |
| 865 | struct kvm_async_pf *work); |
Gleb Natapov | 56028d0 | 2010-10-17 18:13:42 +0200 | [diff] [blame] | 866 | void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, |
| 867 | struct kvm_async_pf *work); |
Gleb Natapov | 7c90705 | 2010-10-14 11:22:53 +0200 | [diff] [blame] | 868 | bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); |
Gleb Natapov | af585b9 | 2010-10-14 11:22:46 +0200 | [diff] [blame] | 869 | extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
| 870 | |
Andre Przywara | db8fcef | 2010-12-21 11:12:01 +0100 | [diff] [blame] | 871 | void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err); |
| 872 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 873 | #endif /* _ASM_X86_KVM_HOST_H */ |