• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #ifndef __SVM_H
2 #define __SVM_H
3 
4 enum {
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,
47 	INTERCEPT_MONITOR,
48 	INTERCEPT_MWAIT,
49 	INTERCEPT_MWAIT_COND,
50 };
51 
52 
53 struct __attribute__ ((__packed__)) vmcb_control_area {
54 	u16 intercept_cr_read;
55 	u16 intercept_cr_write;
56 	u16 intercept_dr_read;
57 	u16 intercept_dr_write;
58 	u32 intercept_exceptions;
59 	u64 intercept;
60 	u8 reserved_1[44];
61 	u64 iopm_base_pa;
62 	u64 msrpm_base_pa;
63 	u64 tsc_offset;
64 	u32 asid;
65 	u8 tlb_ctl;
66 	u8 reserved_2[3];
67 	u32 int_ctl;
68 	u32 int_vector;
69 	u32 int_state;
70 	u8 reserved_3[4];
71 	u32 exit_code;
72 	u32 exit_code_hi;
73 	u64 exit_info_1;
74 	u64 exit_info_2;
75 	u32 exit_int_info;
76 	u32 exit_int_info_err;
77 	u64 nested_ctl;
78 	u8 reserved_4[16];
79 	u32 event_inj;
80 	u32 event_inj_err;
81 	u64 nested_cr3;
82 	u64 lbr_ctl;
83 	u8 reserved_5[832];
84 };
85 
86 
87 #define TLB_CONTROL_DO_NOTHING 0
88 #define TLB_CONTROL_FLUSH_ALL_ASID 1
89 
90 #define V_TPR_MASK 0x0f
91 
92 #define V_IRQ_SHIFT 8
93 #define V_IRQ_MASK (1 << V_IRQ_SHIFT)
94 
95 #define V_INTR_PRIO_SHIFT 16
96 #define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
97 
98 #define V_IGN_TPR_SHIFT 20
99 #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
100 
101 #define V_INTR_MASKING_SHIFT 24
102 #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
103 
104 #define SVM_INTERRUPT_SHADOW_MASK 1
105 
106 #define SVM_IOIO_STR_SHIFT 2
107 #define SVM_IOIO_REP_SHIFT 3
108 #define SVM_IOIO_SIZE_SHIFT 4
109 #define SVM_IOIO_ASIZE_SHIFT 7
110 
111 #define SVM_IOIO_TYPE_MASK 1
112 #define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
113 #define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
114 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
115 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
116 
117 struct __attribute__ ((__packed__)) vmcb_seg {
118 	u16 selector;
119 	u16 attrib;
120 	u32 limit;
121 	u64 base;
122 };
123 
124 struct __attribute__ ((__packed__)) vmcb_save_area {
125 	struct vmcb_seg es;
126 	struct vmcb_seg cs;
127 	struct vmcb_seg ss;
128 	struct vmcb_seg ds;
129 	struct vmcb_seg fs;
130 	struct vmcb_seg gs;
131 	struct vmcb_seg gdtr;
132 	struct vmcb_seg ldtr;
133 	struct vmcb_seg idtr;
134 	struct vmcb_seg tr;
135 	u8 reserved_1[43];
136 	u8 cpl;
137 	u8 reserved_2[4];
138 	u64 efer;
139 	u8 reserved_3[112];
140 	u64 cr4;
141 	u64 cr3;
142 	u64 cr0;
143 	u64 dr7;
144 	u64 dr6;
145 	u64 rflags;
146 	u64 rip;
147 	u8 reserved_4[88];
148 	u64 rsp;
149 	u8 reserved_5[24];
150 	u64 rax;
151 	u64 star;
152 	u64 lstar;
153 	u64 cstar;
154 	u64 sfmask;
155 	u64 kernel_gs_base;
156 	u64 sysenter_cs;
157 	u64 sysenter_esp;
158 	u64 sysenter_eip;
159 	u64 cr2;
160 	u8 reserved_6[32];
161 	u64 g_pat;
162 	u64 dbgctl;
163 	u64 br_from;
164 	u64 br_to;
165 	u64 last_excp_from;
166 	u64 last_excp_to;
167 };
168 
169 struct __attribute__ ((__packed__)) vmcb {
170 	struct vmcb_control_area control;
171 	struct vmcb_save_area save;
172 };
173 
174 #define SVM_CPUID_FEATURE_SHIFT 2
175 #define SVM_CPUID_FUNC 0x8000000a
176 
177 #define MSR_EFER_SVME_MASK (1ULL << 12)
178 #define MSR_VM_CR       0xc0010114
179 #define MSR_VM_HSAVE_PA 0xc0010117ULL
180 
181 #define SVM_VM_CR_SVM_DISABLE 4
182 
183 #define SVM_SELECTOR_S_SHIFT 4
184 #define SVM_SELECTOR_DPL_SHIFT 5
185 #define SVM_SELECTOR_P_SHIFT 7
186 #define SVM_SELECTOR_AVL_SHIFT 8
187 #define SVM_SELECTOR_L_SHIFT 9
188 #define SVM_SELECTOR_DB_SHIFT 10
189 #define SVM_SELECTOR_G_SHIFT 11
190 
191 #define SVM_SELECTOR_TYPE_MASK (0xf)
192 #define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
193 #define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
194 #define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
195 #define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
196 #define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
197 #define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
198 #define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
199 
200 #define SVM_SELECTOR_WRITE_MASK (1 << 1)
201 #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
202 #define SVM_SELECTOR_CODE_MASK (1 << 3)
203 
204 #define INTERCEPT_CR0_MASK 1
205 #define INTERCEPT_CR3_MASK (1 << 3)
206 #define INTERCEPT_CR4_MASK (1 << 4)
207 #define INTERCEPT_CR8_MASK (1 << 8)
208 
209 #define INTERCEPT_DR0_MASK 1
210 #define INTERCEPT_DR1_MASK (1 << 1)
211 #define INTERCEPT_DR2_MASK (1 << 2)
212 #define INTERCEPT_DR3_MASK (1 << 3)
213 #define INTERCEPT_DR4_MASK (1 << 4)
214 #define INTERCEPT_DR5_MASK (1 << 5)
215 #define INTERCEPT_DR6_MASK (1 << 6)
216 #define INTERCEPT_DR7_MASK (1 << 7)
217 
218 #define SVM_EVTINJ_VEC_MASK 0xff
219 
220 #define SVM_EVTINJ_TYPE_SHIFT 8
221 #define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
222 
223 #define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
224 #define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
225 #define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
226 #define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
227 
228 #define SVM_EVTINJ_VALID (1 << 31)
229 #define SVM_EVTINJ_VALID_ERR (1 << 11)
230 
231 #define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
232 
233 #define	SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
234 #define	SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
235 #define	SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
236 #define	SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
237 
238 #define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
239 #define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
240 
241 #define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
242 #define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
243 
244 #define	SVM_EXIT_READ_CR0 	0x000
245 #define	SVM_EXIT_READ_CR3 	0x003
246 #define	SVM_EXIT_READ_CR4 	0x004
247 #define	SVM_EXIT_READ_CR8 	0x008
248 #define	SVM_EXIT_WRITE_CR0 	0x010
249 #define	SVM_EXIT_WRITE_CR3 	0x013
250 #define	SVM_EXIT_WRITE_CR4 	0x014
251 #define	SVM_EXIT_WRITE_CR8 	0x018
252 #define	SVM_EXIT_READ_DR0 	0x020
253 #define	SVM_EXIT_READ_DR1 	0x021
254 #define	SVM_EXIT_READ_DR2 	0x022
255 #define	SVM_EXIT_READ_DR3 	0x023
256 #define	SVM_EXIT_READ_DR4 	0x024
257 #define	SVM_EXIT_READ_DR5 	0x025
258 #define	SVM_EXIT_READ_DR6 	0x026
259 #define	SVM_EXIT_READ_DR7 	0x027
260 #define	SVM_EXIT_WRITE_DR0 	0x030
261 #define	SVM_EXIT_WRITE_DR1 	0x031
262 #define	SVM_EXIT_WRITE_DR2 	0x032
263 #define	SVM_EXIT_WRITE_DR3 	0x033
264 #define	SVM_EXIT_WRITE_DR4 	0x034
265 #define	SVM_EXIT_WRITE_DR5 	0x035
266 #define	SVM_EXIT_WRITE_DR6 	0x036
267 #define	SVM_EXIT_WRITE_DR7 	0x037
268 #define SVM_EXIT_EXCP_BASE      0x040
269 #define SVM_EXIT_INTR		0x060
270 #define SVM_EXIT_NMI		0x061
271 #define SVM_EXIT_SMI		0x062
272 #define SVM_EXIT_INIT		0x063
273 #define SVM_EXIT_VINTR		0x064
274 #define SVM_EXIT_CR0_SEL_WRITE	0x065
275 #define SVM_EXIT_IDTR_READ	0x066
276 #define SVM_EXIT_GDTR_READ	0x067
277 #define SVM_EXIT_LDTR_READ	0x068
278 #define SVM_EXIT_TR_READ	0x069
279 #define SVM_EXIT_IDTR_WRITE	0x06a
280 #define SVM_EXIT_GDTR_WRITE	0x06b
281 #define SVM_EXIT_LDTR_WRITE	0x06c
282 #define SVM_EXIT_TR_WRITE	0x06d
283 #define SVM_EXIT_RDTSC		0x06e
284 #define SVM_EXIT_RDPMC		0x06f
285 #define SVM_EXIT_PUSHF		0x070
286 #define SVM_EXIT_POPF		0x071
287 #define SVM_EXIT_CPUID		0x072
288 #define SVM_EXIT_RSM		0x073
289 #define SVM_EXIT_IRET		0x074
290 #define SVM_EXIT_SWINT		0x075
291 #define SVM_EXIT_INVD		0x076
292 #define SVM_EXIT_PAUSE		0x077
293 #define SVM_EXIT_HLT		0x078
294 #define SVM_EXIT_INVLPG		0x079
295 #define SVM_EXIT_INVLPGA	0x07a
296 #define SVM_EXIT_IOIO		0x07b
297 #define SVM_EXIT_MSR		0x07c
298 #define SVM_EXIT_TASK_SWITCH	0x07d
299 #define SVM_EXIT_FERR_FREEZE	0x07e
300 #define SVM_EXIT_SHUTDOWN	0x07f
301 #define SVM_EXIT_VMRUN		0x080
302 #define SVM_EXIT_VMMCALL	0x081
303 #define SVM_EXIT_VMLOAD		0x082
304 #define SVM_EXIT_VMSAVE		0x083
305 #define SVM_EXIT_STGI		0x084
306 #define SVM_EXIT_CLGI		0x085
307 #define SVM_EXIT_SKINIT		0x086
308 #define SVM_EXIT_RDTSCP		0x087
309 #define SVM_EXIT_ICEBP		0x088
310 #define SVM_EXIT_WBINVD		0x089
311 #define SVM_EXIT_MONITOR	0x08a
312 #define SVM_EXIT_MWAIT		0x08b
313 #define SVM_EXIT_MWAIT_COND	0x08c
314 #define SVM_EXIT_NPF  		0x400
315 
316 #define SVM_EXIT_ERR		-1
317 
318 #define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) /* TS and MP */
319 
320 #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
321 #define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
322 #define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
323 #define SVM_CLGI   ".byte 0x0f, 0x01, 0xdd"
324 #define SVM_STGI   ".byte 0x0f, 0x01, 0xdc"
325 #define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"
326 
327 #endif
328 
329