KVM: MMU: Avoid dropping accessed bit while removing write access
[linux-block.git] / arch / x86 / include / asm / svm.h
CommitLineData
6aa8b732
AK
1#ifndef __SVM_H
2#define __SVM_H
3
4enum {
5 INTERCEPT_INTR,
6 INTERCEPT_NMI,
7 INTERCEPT_SMI,
8 INTERCEPT_INIT,
9 INTERCEPT_VINTR,
10 INTERCEPT_SELECTIVE_CR0,
11 INTERCEPT_STORE_IDTR,
12 INTERCEPT_STORE_GDTR,
13 INTERCEPT_STORE_LDTR,
14 INTERCEPT_STORE_TR,
15 INTERCEPT_LOAD_IDTR,
16 INTERCEPT_LOAD_GDTR,
17 INTERCEPT_LOAD_LDTR,
18 INTERCEPT_LOAD_TR,
19 INTERCEPT_RDTSC,
20 INTERCEPT_RDPMC,
21 INTERCEPT_PUSHF,
22 INTERCEPT_POPF,
23 INTERCEPT_CPUID,
24 INTERCEPT_RSM,
25 INTERCEPT_IRET,
26 INTERCEPT_INTn,
27 INTERCEPT_INVD,
28 INTERCEPT_PAUSE,
29 INTERCEPT_HLT,
30 INTERCEPT_INVLPG,
31 INTERCEPT_INVLPGA,
32 INTERCEPT_IOIO_PROT,
33 INTERCEPT_MSR_PROT,
34 INTERCEPT_TASK_SWITCH,
35 INTERCEPT_FERR_FREEZE,
36 INTERCEPT_SHUTDOWN,
37 INTERCEPT_VMRUN,
38 INTERCEPT_VMMCALL,
39 INTERCEPT_VMLOAD,
40 INTERCEPT_VMSAVE,
41 INTERCEPT_STGI,
42 INTERCEPT_CLGI,
43 INTERCEPT_SKINIT,
44 INTERCEPT_RDTSCP,
45 INTERCEPT_ICEBP,
46 INTERCEPT_WBINVD,
916ce236
JR
47 INTERCEPT_MONITOR,
48 INTERCEPT_MWAIT,
49 INTERCEPT_MWAIT_COND,
6aa8b732
AK
50};
51
52
53struct __attribute__ ((__packed__)) vmcb_control_area {
4ee546b4 54 u32 intercept_cr;
3aed041a 55 u32 intercept_dr;
6aa8b732
AK
56 u32 intercept_exceptions;
57 u64 intercept;
565d0998
ML
58 u8 reserved_1[42];
59 u16 pause_filter_count;
6aa8b732
AK
60 u64 iopm_base_pa;
61 u64 msrpm_base_pa;
62 u64 tsc_offset;
63 u32 asid;
64 u8 tlb_ctl;
65 u8 reserved_2[3];
66 u32 int_ctl;
67 u32 int_vector;
68 u32 int_state;
69 u8 reserved_3[4];
70 u32 exit_code;
71 u32 exit_code_hi;
72 u64 exit_info_1;
73 u64 exit_info_2;
74 u32 exit_int_info;
75 u32 exit_int_info_err;
76 u64 nested_ctl;
77 u8 reserved_4[16];
78 u32 event_inj;
79 u32 event_inj_err;
80 u64 nested_cr3;
81 u64 lbr_ctl;
6bc31bdc
AP
82 u64 reserved_5;
83 u64 next_rip;
84 u8 reserved_6[816];
6aa8b732
AK
85};
86
87
88#define TLB_CONTROL_DO_NOTHING 0
89#define TLB_CONTROL_FLUSH_ALL_ASID 1
90
91#define V_TPR_MASK 0x0f
92
93#define V_IRQ_SHIFT 8
94#define V_IRQ_MASK (1 << V_IRQ_SHIFT)
95
96#define V_INTR_PRIO_SHIFT 16
97#define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
98
99#define V_IGN_TPR_SHIFT 20
100#define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
101
102#define V_INTR_MASKING_SHIFT 24
103#define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
104
105#define SVM_INTERRUPT_SHADOW_MASK 1
106
107#define SVM_IOIO_STR_SHIFT 2
108#define SVM_IOIO_REP_SHIFT 3
109#define SVM_IOIO_SIZE_SHIFT 4
110#define SVM_IOIO_ASIZE_SHIFT 7
111
112#define SVM_IOIO_TYPE_MASK 1
113#define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
114#define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
115#define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
116#define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
117
4a810181
JR
118#define SVM_VM_CR_VALID_MASK 0x001fULL
119#define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
120#define SVM_VM_CR_SVM_DIS_MASK 0x0010ULL
121
6aa8b732
AK
122struct __attribute__ ((__packed__)) vmcb_seg {
123 u16 selector;
124 u16 attrib;
125 u32 limit;
126 u64 base;
127};
128
129struct __attribute__ ((__packed__)) vmcb_save_area {
130 struct vmcb_seg es;
131 struct vmcb_seg cs;
132 struct vmcb_seg ss;
133 struct vmcb_seg ds;
134 struct vmcb_seg fs;
135 struct vmcb_seg gs;
136 struct vmcb_seg gdtr;
137 struct vmcb_seg ldtr;
138 struct vmcb_seg idtr;
139 struct vmcb_seg tr;
140 u8 reserved_1[43];
141 u8 cpl;
142 u8 reserved_2[4];
143 u64 efer;
144 u8 reserved_3[112];
145 u64 cr4;
146 u64 cr3;
147 u64 cr0;
148 u64 dr7;
149 u64 dr6;
150 u64 rflags;
151 u64 rip;
152 u8 reserved_4[88];
153 u64 rsp;
154 u8 reserved_5[24];
155 u64 rax;
156 u64 star;
157 u64 lstar;
158 u64 cstar;
159 u64 sfmask;
160 u64 kernel_gs_base;
161 u64 sysenter_cs;
162 u64 sysenter_esp;
163 u64 sysenter_eip;
164 u64 cr2;
165 u8 reserved_6[32];
166 u64 g_pat;
167 u64 dbgctl;
168 u64 br_from;
169 u64 br_to;
170 u64 last_excp_from;
171 u64 last_excp_to;
172};
173
174struct __attribute__ ((__packed__)) vmcb {
175 struct vmcb_control_area control;
176 struct vmcb_save_area save;
177};
178
179#define SVM_CPUID_FEATURE_SHIFT 2
180#define SVM_CPUID_FUNC 0x8000000a
181
6031a61c
JR
182#define SVM_VM_CR_SVM_DISABLE 4
183
6aa8b732
AK
184#define SVM_SELECTOR_S_SHIFT 4
185#define SVM_SELECTOR_DPL_SHIFT 5
186#define SVM_SELECTOR_P_SHIFT 7
187#define SVM_SELECTOR_AVL_SHIFT 8
188#define SVM_SELECTOR_L_SHIFT 9
189#define SVM_SELECTOR_DB_SHIFT 10
190#define SVM_SELECTOR_G_SHIFT 11
191
192#define SVM_SELECTOR_TYPE_MASK (0xf)
193#define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
194#define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
195#define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
196#define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
197#define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
198#define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
199#define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
200
201#define SVM_SELECTOR_WRITE_MASK (1 << 1)
202#define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
203#define SVM_SELECTOR_CODE_MASK (1 << 3)
204
4ee546b4
RJ
205#define INTERCEPT_CR0_READ 0
206#define INTERCEPT_CR3_READ 3
207#define INTERCEPT_CR4_READ 4
208#define INTERCEPT_CR8_READ 8
209#define INTERCEPT_CR0_WRITE (16 + 0)
210#define INTERCEPT_CR3_WRITE (16 + 3)
211#define INTERCEPT_CR4_WRITE (16 + 4)
212#define INTERCEPT_CR8_WRITE (16 + 8)
6aa8b732 213
3aed041a
JR
214#define INTERCEPT_DR0_READ 0
215#define INTERCEPT_DR1_READ 1
216#define INTERCEPT_DR2_READ 2
217#define INTERCEPT_DR3_READ 3
218#define INTERCEPT_DR4_READ 4
219#define INTERCEPT_DR5_READ 5
220#define INTERCEPT_DR6_READ 6
221#define INTERCEPT_DR7_READ 7
222#define INTERCEPT_DR0_WRITE (16 + 0)
223#define INTERCEPT_DR1_WRITE (16 + 1)
224#define INTERCEPT_DR2_WRITE (16 + 2)
225#define INTERCEPT_DR3_WRITE (16 + 3)
226#define INTERCEPT_DR4_WRITE (16 + 4)
227#define INTERCEPT_DR5_WRITE (16 + 5)
228#define INTERCEPT_DR6_WRITE (16 + 6)
229#define INTERCEPT_DR7_WRITE (16 + 7)
6aa8b732
AK
230
231#define SVM_EVTINJ_VEC_MASK 0xff
232
233#define SVM_EVTINJ_TYPE_SHIFT 8
234#define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
235
236#define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
237#define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
238#define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
239#define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
240
241#define SVM_EVTINJ_VALID (1 << 31)
242#define SVM_EVTINJ_VALID_ERR (1 << 11)
243
244#define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
64a7ec06 245#define SVM_EXITINTINFO_TYPE_MASK SVM_EVTINJ_TYPE_MASK
6aa8b732
AK
246
247#define SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
248#define SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
249#define SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
250#define SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
251
252#define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
253#define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
254
37817f29
IE
255#define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
256#define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
e269fb21 257#define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
37817f29 258
6aa8b732
AK
259#define SVM_EXIT_READ_CR0 0x000
260#define SVM_EXIT_READ_CR3 0x003
261#define SVM_EXIT_READ_CR4 0x004
262#define SVM_EXIT_READ_CR8 0x008
263#define SVM_EXIT_WRITE_CR0 0x010
264#define SVM_EXIT_WRITE_CR3 0x013
265#define SVM_EXIT_WRITE_CR4 0x014
266#define SVM_EXIT_WRITE_CR8 0x018
267#define SVM_EXIT_READ_DR0 0x020
268#define SVM_EXIT_READ_DR1 0x021
269#define SVM_EXIT_READ_DR2 0x022
270#define SVM_EXIT_READ_DR3 0x023
271#define SVM_EXIT_READ_DR4 0x024
272#define SVM_EXIT_READ_DR5 0x025
273#define SVM_EXIT_READ_DR6 0x026
274#define SVM_EXIT_READ_DR7 0x027
275#define SVM_EXIT_WRITE_DR0 0x030
276#define SVM_EXIT_WRITE_DR1 0x031
277#define SVM_EXIT_WRITE_DR2 0x032
278#define SVM_EXIT_WRITE_DR3 0x033
279#define SVM_EXIT_WRITE_DR4 0x034
280#define SVM_EXIT_WRITE_DR5 0x035
281#define SVM_EXIT_WRITE_DR6 0x036
282#define SVM_EXIT_WRITE_DR7 0x037
283#define SVM_EXIT_EXCP_BASE 0x040
284#define SVM_EXIT_INTR 0x060
285#define SVM_EXIT_NMI 0x061
286#define SVM_EXIT_SMI 0x062
287#define SVM_EXIT_INIT 0x063
288#define SVM_EXIT_VINTR 0x064
289#define SVM_EXIT_CR0_SEL_WRITE 0x065
290#define SVM_EXIT_IDTR_READ 0x066
291#define SVM_EXIT_GDTR_READ 0x067
292#define SVM_EXIT_LDTR_READ 0x068
293#define SVM_EXIT_TR_READ 0x069
294#define SVM_EXIT_IDTR_WRITE 0x06a
295#define SVM_EXIT_GDTR_WRITE 0x06b
296#define SVM_EXIT_LDTR_WRITE 0x06c
297#define SVM_EXIT_TR_WRITE 0x06d
298#define SVM_EXIT_RDTSC 0x06e
299#define SVM_EXIT_RDPMC 0x06f
300#define SVM_EXIT_PUSHF 0x070
301#define SVM_EXIT_POPF 0x071
302#define SVM_EXIT_CPUID 0x072
303#define SVM_EXIT_RSM 0x073
304#define SVM_EXIT_IRET 0x074
305#define SVM_EXIT_SWINT 0x075
306#define SVM_EXIT_INVD 0x076
307#define SVM_EXIT_PAUSE 0x077
308#define SVM_EXIT_HLT 0x078
309#define SVM_EXIT_INVLPG 0x079
310#define SVM_EXIT_INVLPGA 0x07a
311#define SVM_EXIT_IOIO 0x07b
312#define SVM_EXIT_MSR 0x07c
313#define SVM_EXIT_TASK_SWITCH 0x07d
314#define SVM_EXIT_FERR_FREEZE 0x07e
315#define SVM_EXIT_SHUTDOWN 0x07f
316#define SVM_EXIT_VMRUN 0x080
317#define SVM_EXIT_VMMCALL 0x081
318#define SVM_EXIT_VMLOAD 0x082
319#define SVM_EXIT_VMSAVE 0x083
320#define SVM_EXIT_STGI 0x084
321#define SVM_EXIT_CLGI 0x085
322#define SVM_EXIT_SKINIT 0x086
323#define SVM_EXIT_RDTSCP 0x087
324#define SVM_EXIT_ICEBP 0x088
325#define SVM_EXIT_WBINVD 0x089
916ce236
JR
326#define SVM_EXIT_MONITOR 0x08a
327#define SVM_EXIT_MWAIT 0x08b
328#define SVM_EXIT_MWAIT_COND 0x08c
6aa8b732
AK
329#define SVM_EXIT_NPF 0x400
330
331#define SVM_EXIT_ERR -1
332
dc77270f 333#define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
6aa8b732
AK
334
335#define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
336#define SVM_VMRUN ".byte 0x0f, 0x01, 0xd8"
337#define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
338#define SVM_CLGI ".byte 0x0f, 0x01, 0xdd"
339#define SVM_STGI ".byte 0x0f, 0x01, 0xdc"
340#define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"
341
342#endif
343