xref: /openbmc/linux/arch/x86/include/asm/svm.h (revision d4295e12) 
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SVM_H
3 #define __SVM_H
4 
5 #include <uapi/asm/svm.h>
6 
7 
8 enum {
9 	INTERCEPT_INTR,
10 	INTERCEPT_NMI,
11 	INTERCEPT_SMI,
12 	INTERCEPT_INIT,
13 	INTERCEPT_VINTR,
14 	INTERCEPT_SELECTIVE_CR0,
15 	INTERCEPT_STORE_IDTR,
16 	INTERCEPT_STORE_GDTR,
17 	INTERCEPT_STORE_LDTR,
18 	INTERCEPT_STORE_TR,
19 	INTERCEPT_LOAD_IDTR,
20 	INTERCEPT_LOAD_GDTR,
21 	INTERCEPT_LOAD_LDTR,
22 	INTERCEPT_LOAD_TR,
23 	INTERCEPT_RDTSC,
24 	INTERCEPT_RDPMC,
25 	INTERCEPT_PUSHF,
26 	INTERCEPT_POPF,
27 	INTERCEPT_CPUID,
28 	INTERCEPT_RSM,
29 	INTERCEPT_IRET,
30 	INTERCEPT_INTn,
31 	INTERCEPT_INVD,
32 	INTERCEPT_PAUSE,
33 	INTERCEPT_HLT,
34 	INTERCEPT_INVLPG,
35 	INTERCEPT_INVLPGA,
36 	INTERCEPT_IOIO_PROT,
37 	INTERCEPT_MSR_PROT,
38 	INTERCEPT_TASK_SWITCH,
39 	INTERCEPT_FERR_FREEZE,
40 	INTERCEPT_SHUTDOWN,
41 	INTERCEPT_VMRUN,
42 	INTERCEPT_VMMCALL,
43 	INTERCEPT_VMLOAD,
44 	INTERCEPT_VMSAVE,
45 	INTERCEPT_STGI,
46 	INTERCEPT_CLGI,
47 	INTERCEPT_SKINIT,
48 	INTERCEPT_RDTSCP,
49 	INTERCEPT_ICEBP,
50 	INTERCEPT_WBINVD,
51 	INTERCEPT_MONITOR,
52 	INTERCEPT_MWAIT,
53 	INTERCEPT_MWAIT_COND,
54 	INTERCEPT_XSETBV,
55 };
56 
57 
58 struct __attribute__ ((__packed__)) vmcb_control_area {
59 	u32 intercept_cr;
60 	u32 intercept_dr;
61 	u32 intercept_exceptions;
62 	u64 intercept;
63 	u8 reserved_1[40];
64 	u16 pause_filter_thresh;
65 	u16 pause_filter_count;
66 	u64 iopm_base_pa;
67 	u64 msrpm_base_pa;
68 	u64 tsc_offset;
69 	u32 asid;
70 	u8 tlb_ctl;
71 	u8 reserved_2[3];
72 	u32 int_ctl;
73 	u32 int_vector;
74 	u32 int_state;
75 	u8 reserved_3[4];
76 	u32 exit_code;
77 	u32 exit_code_hi;
78 	u64 exit_info_1;
79 	u64 exit_info_2;
80 	u32 exit_int_info;
81 	u32 exit_int_info_err;
82 	u64 nested_ctl;
83 	u64 avic_vapic_bar;
84 	u8 reserved_4[8];
85 	u32 event_inj;
86 	u32 event_inj_err;
87 	u64 nested_cr3;
88 	u64 virt_ext;
89 	u32 clean;
90 	u32 reserved_5;
91 	u64 next_rip;
92 	u8 insn_len;
93 	u8 insn_bytes[15];
94 	u64 avic_backing_page;	/* Offset 0xe0 */
95 	u8 reserved_6[8];	/* Offset 0xe8 */
96 	u64 avic_logical_id;	/* Offset 0xf0 */
97 	u64 avic_physical_id;	/* Offset 0xf8 */
98 	u8 reserved_7[768];
99 };
100 
101 
102 #define TLB_CONTROL_DO_NOTHING 0
103 #define TLB_CONTROL_FLUSH_ALL_ASID 1
104 #define TLB_CONTROL_FLUSH_ASID 3
105 #define TLB_CONTROL_FLUSH_ASID_LOCAL 7
106 
107 #define V_TPR_MASK 0x0f
108 
109 #define V_IRQ_SHIFT 8
110 #define V_IRQ_MASK (1 << V_IRQ_SHIFT)
111 
112 #define V_GIF_SHIFT 9
113 #define V_GIF_MASK (1 << V_GIF_SHIFT)
114 
115 #define V_INTR_PRIO_SHIFT 16
116 #define V_INTR_PRIO_MASK (0x0f << V_INTR_PRIO_SHIFT)
117 
118 #define V_IGN_TPR_SHIFT 20
119 #define V_IGN_TPR_MASK (1 << V_IGN_TPR_SHIFT)
120 
121 #define V_INTR_MASKING_SHIFT 24
122 #define V_INTR_MASKING_MASK (1 << V_INTR_MASKING_SHIFT)
123 
124 #define V_GIF_ENABLE_SHIFT 25
125 #define V_GIF_ENABLE_MASK (1 << V_GIF_ENABLE_SHIFT)
126 
127 #define AVIC_ENABLE_SHIFT 31
128 #define AVIC_ENABLE_MASK (1 << AVIC_ENABLE_SHIFT)
129 
130 #define LBR_CTL_ENABLE_MASK BIT_ULL(0)
131 #define VIRTUAL_VMLOAD_VMSAVE_ENABLE_MASK BIT_ULL(1)
132 
133 #define SVM_INTERRUPT_SHADOW_MASK 1
134 
135 #define SVM_IOIO_STR_SHIFT 2
136 #define SVM_IOIO_REP_SHIFT 3
137 #define SVM_IOIO_SIZE_SHIFT 4
138 #define SVM_IOIO_ASIZE_SHIFT 7
139 
140 #define SVM_IOIO_TYPE_MASK 1
141 #define SVM_IOIO_STR_MASK (1 << SVM_IOIO_STR_SHIFT)
142 #define SVM_IOIO_REP_MASK (1 << SVM_IOIO_REP_SHIFT)
143 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
144 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
145 
146 #define SVM_VM_CR_VALID_MASK	0x001fULL
147 #define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
148 #define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
149 
150 #define SVM_NESTED_CTL_NP_ENABLE	BIT(0)
151 #define SVM_NESTED_CTL_SEV_ENABLE	BIT(1)
152 
153 struct __attribute__ ((__packed__)) vmcb_seg {
154 	u16 selector;
155 	u16 attrib;
156 	u32 limit;
157 	u64 base;
158 };
159 
160 struct __attribute__ ((__packed__)) vmcb_save_area {
161 	struct vmcb_seg es;
162 	struct vmcb_seg cs;
163 	struct vmcb_seg ss;
164 	struct vmcb_seg ds;
165 	struct vmcb_seg fs;
166 	struct vmcb_seg gs;
167 	struct vmcb_seg gdtr;
168 	struct vmcb_seg ldtr;
169 	struct vmcb_seg idtr;
170 	struct vmcb_seg tr;
171 	u8 reserved_1[43];
172 	u8 cpl;
173 	u8 reserved_2[4];
174 	u64 efer;
175 	u8 reserved_3[112];
176 	u64 cr4;
177 	u64 cr3;
178 	u64 cr0;
179 	u64 dr7;
180 	u64 dr6;
181 	u64 rflags;
182 	u64 rip;
183 	u8 reserved_4[88];
184 	u64 rsp;
185 	u8 reserved_5[24];
186 	u64 rax;
187 	u64 star;
188 	u64 lstar;
189 	u64 cstar;
190 	u64 sfmask;
191 	u64 kernel_gs_base;
192 	u64 sysenter_cs;
193 	u64 sysenter_esp;
194 	u64 sysenter_eip;
195 	u64 cr2;
196 	u8 reserved_6[32];
197 	u64 g_pat;
198 	u64 dbgctl;
199 	u64 br_from;
200 	u64 br_to;
201 	u64 last_excp_from;
202 	u64 last_excp_to;
203 };
204 
205 struct __attribute__ ((__packed__)) vmcb {
206 	struct vmcb_control_area control;
207 	struct vmcb_save_area save;
208 };
209 
210 #define SVM_CPUID_FUNC 0x8000000a
211 
212 #define SVM_VM_CR_SVM_DISABLE 4
213 
214 #define SVM_SELECTOR_S_SHIFT 4
215 #define SVM_SELECTOR_DPL_SHIFT 5
216 #define SVM_SELECTOR_P_SHIFT 7
217 #define SVM_SELECTOR_AVL_SHIFT 8
218 #define SVM_SELECTOR_L_SHIFT 9
219 #define SVM_SELECTOR_DB_SHIFT 10
220 #define SVM_SELECTOR_G_SHIFT 11
221 
222 #define SVM_SELECTOR_TYPE_MASK (0xf)
223 #define SVM_SELECTOR_S_MASK (1 << SVM_SELECTOR_S_SHIFT)
224 #define SVM_SELECTOR_DPL_MASK (3 << SVM_SELECTOR_DPL_SHIFT)
225 #define SVM_SELECTOR_P_MASK (1 << SVM_SELECTOR_P_SHIFT)
226 #define SVM_SELECTOR_AVL_MASK (1 << SVM_SELECTOR_AVL_SHIFT)
227 #define SVM_SELECTOR_L_MASK (1 << SVM_SELECTOR_L_SHIFT)
228 #define SVM_SELECTOR_DB_MASK (1 << SVM_SELECTOR_DB_SHIFT)
229 #define SVM_SELECTOR_G_MASK (1 << SVM_SELECTOR_G_SHIFT)
230 
231 #define SVM_SELECTOR_WRITE_MASK (1 << 1)
232 #define SVM_SELECTOR_READ_MASK SVM_SELECTOR_WRITE_MASK
233 #define SVM_SELECTOR_CODE_MASK (1 << 3)
234 
235 #define INTERCEPT_CR0_READ	0
236 #define INTERCEPT_CR3_READ	3
237 #define INTERCEPT_CR4_READ	4
238 #define INTERCEPT_CR8_READ	8
239 #define INTERCEPT_CR0_WRITE	(16 + 0)
240 #define INTERCEPT_CR3_WRITE	(16 + 3)
241 #define INTERCEPT_CR4_WRITE	(16 + 4)
242 #define INTERCEPT_CR8_WRITE	(16 + 8)
243 
244 #define INTERCEPT_DR0_READ	0
245 #define INTERCEPT_DR1_READ	1
246 #define INTERCEPT_DR2_READ	2
247 #define INTERCEPT_DR3_READ	3
248 #define INTERCEPT_DR4_READ	4
249 #define INTERCEPT_DR5_READ	5
250 #define INTERCEPT_DR6_READ	6
251 #define INTERCEPT_DR7_READ	7
252 #define INTERCEPT_DR0_WRITE	(16 + 0)
253 #define INTERCEPT_DR1_WRITE	(16 + 1)
254 #define INTERCEPT_DR2_WRITE	(16 + 2)
255 #define INTERCEPT_DR3_WRITE	(16 + 3)
256 #define INTERCEPT_DR4_WRITE	(16 + 4)
257 #define INTERCEPT_DR5_WRITE	(16 + 5)
258 #define INTERCEPT_DR6_WRITE	(16 + 6)
259 #define INTERCEPT_DR7_WRITE	(16 + 7)
260 
261 #define SVM_EVTINJ_VEC_MASK 0xff
262 
263 #define SVM_EVTINJ_TYPE_SHIFT 8
264 #define SVM_EVTINJ_TYPE_MASK (7 << SVM_EVTINJ_TYPE_SHIFT)
265 
266 #define SVM_EVTINJ_TYPE_INTR (0 << SVM_EVTINJ_TYPE_SHIFT)
267 #define SVM_EVTINJ_TYPE_NMI (2 << SVM_EVTINJ_TYPE_SHIFT)
268 #define SVM_EVTINJ_TYPE_EXEPT (3 << SVM_EVTINJ_TYPE_SHIFT)
269 #define SVM_EVTINJ_TYPE_SOFT (4 << SVM_EVTINJ_TYPE_SHIFT)
270 
271 #define SVM_EVTINJ_VALID (1 << 31)
272 #define SVM_EVTINJ_VALID_ERR (1 << 11)
273 
274 #define SVM_EXITINTINFO_VEC_MASK SVM_EVTINJ_VEC_MASK
275 #define SVM_EXITINTINFO_TYPE_MASK SVM_EVTINJ_TYPE_MASK
276 
277 #define	SVM_EXITINTINFO_TYPE_INTR SVM_EVTINJ_TYPE_INTR
278 #define	SVM_EXITINTINFO_TYPE_NMI SVM_EVTINJ_TYPE_NMI
279 #define	SVM_EXITINTINFO_TYPE_EXEPT SVM_EVTINJ_TYPE_EXEPT
280 #define	SVM_EXITINTINFO_TYPE_SOFT SVM_EVTINJ_TYPE_SOFT
281 
282 #define SVM_EXITINTINFO_VALID SVM_EVTINJ_VALID
283 #define SVM_EXITINTINFO_VALID_ERR SVM_EVTINJ_VALID_ERR
284 
285 #define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
286 #define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
287 #define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
288 
289 #define SVM_EXITINFO_REG_MASK 0x0F
290 
291 #define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
292 
293 #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
294 #define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
295 #define SVM_VMSAVE ".byte 0x0f, 0x01, 0xdb"
296 #define SVM_CLGI   ".byte 0x0f, 0x01, 0xdd"
297 #define SVM_STGI   ".byte 0x0f, 0x01, 0xdc"
298 #define SVM_INVLPGA ".byte 0x0f, 0x01, 0xdf"
299 
300 #endif
301