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 	INTERCEPT_XSETBV,
51 };
52 
53 
54 struct __attribute__ ((__packed__)) vmcb_control_area {
55 	u32 intercept_cr;
56 	u32 intercept_dr;
57 	u32 intercept_exceptions;
58 	u64 intercept;
59 	u8 reserved_1[42];
60 	u16 pause_filter_count;
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 	u32 clean;
84 	u32 reserved_5;
85 	u64 next_rip;
86 	u8 insn_len;
87 	u8 insn_bytes[15];
88 	u8 reserved_6[800];
89 };
90 
91 
92 #define TLB_CONTROL_DO_NOTHING 0
93 #define TLB_CONTROL_FLUSH_ALL_ASID 1
94 #define TLB_CONTROL_FLUSH_ASID 3
95 #define TLB_CONTROL_FLUSH_ASID_LOCAL 7
96 
97 #define V_TPR_MASK 0x0f
98 
99 #define V_IRQ_SHIFT 8
100 #define V_IRQ_MASK (1 << V_IRQ_SHIFT)
101 
102 #define V_INTR_PRIO_SHIFT 16
103 #define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
104 
105 #define V_IGN_TPR_SHIFT 20
106 #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
107 
108 #define V_INTR_MASKING_SHIFT 24
109 #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
110 
111 #define SVM_INTERRUPT_SHADOW_MASK 1
112 
113 #define SVM_IOIO_STR_SHIFT 2
114 #define SVM_IOIO_REP_SHIFT 3
115 #define SVM_IOIO_SIZE_SHIFT 4
116 #define SVM_IOIO_ASIZE_SHIFT 7
117 
118 #define SVM_IOIO_TYPE_MASK 1
119 #define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
120 #define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
121 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
122 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
123 
124 #define SVM_VM_CR_VALID_MASK	0x001fULL
125 #define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
126 #define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
127 
128 struct __attribute__ ((__packed__)) vmcb_seg {
129 	u16 selector;
130 	u16 attrib;
131 	u32 limit;
132 	u64 base;
133 };
134 
135 struct __attribute__ ((__packed__)) vmcb_save_area {
136 	struct vmcb_seg es;
137 	struct vmcb_seg cs;
138 	struct vmcb_seg ss;
139 	struct vmcb_seg ds;
140 	struct vmcb_seg fs;
141 	struct vmcb_seg gs;
142 	struct vmcb_seg gdtr;
143 	struct vmcb_seg ldtr;
144 	struct vmcb_seg idtr;
145 	struct vmcb_seg tr;
146 	u8 reserved_1[43];
147 	u8 cpl;
148 	u8 reserved_2[4];
149 	u64 efer;
150 	u8 reserved_3[112];
151 	u64 cr4;
152 	u64 cr3;
153 	u64 cr0;
154 	u64 dr7;
155 	u64 dr6;
156 	u64 rflags;
157 	u64 rip;
158 	u8 reserved_4[88];
159 	u64 rsp;
160 	u8 reserved_5[24];
161 	u64 rax;
162 	u64 star;
163 	u64 lstar;
164 	u64 cstar;
165 	u64 sfmask;
166 	u64 kernel_gs_base;
167 	u64 sysenter_cs;
168 	u64 sysenter_esp;
169 	u64 sysenter_eip;
170 	u64 cr2;
171 	u8 reserved_6[32];
172 	u64 g_pat;
173 	u64 dbgctl;
174 	u64 br_from;
175 	u64 br_to;
176 	u64 last_excp_from;
177 	u64 last_excp_to;
178 };
179 
180 struct __attribute__ ((__packed__)) vmcb {
181 	struct vmcb_control_area control;
182 	struct vmcb_save_area save;
183 };
184 
185 #define SVM_CPUID_FEATURE_SHIFT 2
186 #define SVM_CPUID_FUNC 0x8000000a
187 
188 #define SVM_VM_CR_SVM_DISABLE 4
189 
190 #define SVM_SELECTOR_S_SHIFT 4
191 #define SVM_SELECTOR_DPL_SHIFT 5
192 #define SVM_SELECTOR_P_SHIFT 7
193 #define SVM_SELECTOR_AVL_SHIFT 8
194 #define SVM_SELECTOR_L_SHIFT 9
195 #define SVM_SELECTOR_DB_SHIFT 10
196 #define SVM_SELECTOR_G_SHIFT 11
197 
198 #define SVM_SELECTOR_TYPE_MASK (0xf)
199 #define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
200 #define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
201 #define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
202 #define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
203 #define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
204 #define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
205 #define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
206 
207 #define SVM_SELECTOR_WRITE_MASK (1 << 1)
208 #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
209 #define SVM_SELECTOR_CODE_MASK (1 << 3)
210 
211 #define INTERCEPT_CR0_READ	0
212 #define INTERCEPT_CR3_READ	3
213 #define INTERCEPT_CR4_READ	4
214 #define INTERCEPT_CR8_READ	8
215 #define INTERCEPT_CR0_WRITE	(16 + 0)
216 #define INTERCEPT_CR3_WRITE	(16 + 3)
217 #define INTERCEPT_CR4_WRITE	(16 + 4)
218 #define INTERCEPT_CR8_WRITE	(16 + 8)
219 
220 #define INTERCEPT_DR0_READ	0
221 #define INTERCEPT_DR1_READ	1
222 #define INTERCEPT_DR2_READ	2
223 #define INTERCEPT_DR3_READ	3
224 #define INTERCEPT_DR4_READ	4
225 #define INTERCEPT_DR5_READ	5
226 #define INTERCEPT_DR6_READ	6
227 #define INTERCEPT_DR7_READ	7
228 #define INTERCEPT_DR0_WRITE	(16 + 0)
229 #define INTERCEPT_DR1_WRITE	(16 + 1)
230 #define INTERCEPT_DR2_WRITE	(16 + 2)
231 #define INTERCEPT_DR3_WRITE	(16 + 3)
232 #define INTERCEPT_DR4_WRITE	(16 + 4)
233 #define INTERCEPT_DR5_WRITE	(16 + 5)
234 #define INTERCEPT_DR6_WRITE	(16 + 6)
235 #define INTERCEPT_DR7_WRITE	(16 + 7)
236 
237 #define SVM_EVTINJ_VEC_MASK 0xff
238 
239 #define SVM_EVTINJ_TYPE_SHIFT 8
240 #define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
241 
242 #define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
243 #define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
244 #define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
245 #define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
246 
247 #define SVM_EVTINJ_VALID (1 << 31)
248 #define SVM_EVTINJ_VALID_ERR (1 << 11)
249 
250 #define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
251 #define SVM_EXITINTINFO_TYPE_MASK SVM_EVTINJ_TYPE_MASK
252 
253 #define	SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
254 #define	SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
255 #define	SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
256 #define	SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
257 
258 #define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
259 #define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
260 
261 #define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
262 #define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
263 #define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
264 
265 #define SVM_EXITINFO_REG_MASK 0x0F
266 
267 #define	SVM_EXIT_READ_CR0 	0x000
268 #define	SVM_EXIT_READ_CR3 	0x003
269 #define	SVM_EXIT_READ_CR4 	0x004
270 #define	SVM_EXIT_READ_CR8 	0x008
271 #define	SVM_EXIT_WRITE_CR0 	0x010
272 #define	SVM_EXIT_WRITE_CR3 	0x013
273 #define	SVM_EXIT_WRITE_CR4 	0x014
274 #define	SVM_EXIT_WRITE_CR8 	0x018
275 #define	SVM_EXIT_READ_DR0 	0x020
276 #define	SVM_EXIT_READ_DR1 	0x021
277 #define	SVM_EXIT_READ_DR2 	0x022
278 #define	SVM_EXIT_READ_DR3 	0x023
279 #define	SVM_EXIT_READ_DR4 	0x024
280 #define	SVM_EXIT_READ_DR5 	0x025
281 #define	SVM_EXIT_READ_DR6 	0x026
282 #define	SVM_EXIT_READ_DR7 	0x027
283 #define	SVM_EXIT_WRITE_DR0 	0x030
284 #define	SVM_EXIT_WRITE_DR1 	0x031
285 #define	SVM_EXIT_WRITE_DR2 	0x032
286 #define	SVM_EXIT_WRITE_DR3 	0x033
287 #define	SVM_EXIT_WRITE_DR4 	0x034
288 #define	SVM_EXIT_WRITE_DR5 	0x035
289 #define	SVM_EXIT_WRITE_DR6 	0x036
290 #define	SVM_EXIT_WRITE_DR7 	0x037
291 #define SVM_EXIT_EXCP_BASE      0x040
292 #define SVM_EXIT_INTR		0x060
293 #define SVM_EXIT_NMI		0x061
294 #define SVM_EXIT_SMI		0x062
295 #define SVM_EXIT_INIT		0x063
296 #define SVM_EXIT_VINTR		0x064
297 #define SVM_EXIT_CR0_SEL_WRITE	0x065
298 #define SVM_EXIT_IDTR_READ	0x066
299 #define SVM_EXIT_GDTR_READ	0x067
300 #define SVM_EXIT_LDTR_READ	0x068
301 #define SVM_EXIT_TR_READ	0x069
302 #define SVM_EXIT_IDTR_WRITE	0x06a
303 #define SVM_EXIT_GDTR_WRITE	0x06b
304 #define SVM_EXIT_LDTR_WRITE	0x06c
305 #define SVM_EXIT_TR_WRITE	0x06d
306 #define SVM_EXIT_RDTSC		0x06e
307 #define SVM_EXIT_RDPMC		0x06f
308 #define SVM_EXIT_PUSHF		0x070
309 #define SVM_EXIT_POPF		0x071
310 #define SVM_EXIT_CPUID		0x072
311 #define SVM_EXIT_RSM		0x073
312 #define SVM_EXIT_IRET		0x074
313 #define SVM_EXIT_SWINT		0x075
314 #define SVM_EXIT_INVD		0x076
315 #define SVM_EXIT_PAUSE		0x077
316 #define SVM_EXIT_HLT		0x078
317 #define SVM_EXIT_INVLPG		0x079
318 #define SVM_EXIT_INVLPGA	0x07a
319 #define SVM_EXIT_IOIO		0x07b
320 #define SVM_EXIT_MSR		0x07c
321 #define SVM_EXIT_TASK_SWITCH	0x07d
322 #define SVM_EXIT_FERR_FREEZE	0x07e
323 #define SVM_EXIT_SHUTDOWN	0x07f
324 #define SVM_EXIT_VMRUN		0x080
325 #define SVM_EXIT_VMMCALL	0x081
326 #define SVM_EXIT_VMLOAD		0x082
327 #define SVM_EXIT_VMSAVE		0x083
328 #define SVM_EXIT_STGI		0x084
329 #define SVM_EXIT_CLGI		0x085
330 #define SVM_EXIT_SKINIT		0x086
331 #define SVM_EXIT_RDTSCP		0x087
332 #define SVM_EXIT_ICEBP		0x088
333 #define SVM_EXIT_WBINVD		0x089
334 #define SVM_EXIT_MONITOR	0x08a
335 #define SVM_EXIT_MWAIT		0x08b
336 #define SVM_EXIT_MWAIT_COND	0x08c
337 #define SVM_EXIT_XSETBV		0x08d
338 #define SVM_EXIT_NPF  		0x400
339 
340 #define SVM_EXIT_ERR		-1
341 
342 #define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
343 
344 #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
345 #define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
346 #define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
347 #define SVM_CLGI   ".byte 0x0f, 0x01, 0xdd"
348 #define SVM_STGI   ".byte 0x0f, 0x01, 0xdc"
349 #define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"
350 
351 #endif
352 
353