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dd873966 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
c5daeae1 AK |
2 | /* |
3 | * Copyright (C) 2012,2013 - ARM Ltd | |
4 | * Author: Marc Zyngier <marc.zyngier@arm.com> | |
5 | * | |
6 | * Derived from arch/arm/include/uapi/asm/kvm.h: | |
7 | * Copyright (C) 2012 - Virtual Open Systems and Columbia University | |
8 | * Author: Christoffer Dall <c.dall@virtualopensystems.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #ifndef __ARM_KVM_H__ | |
24 | #define __ARM_KVM_H__ | |
25 | ||
26 | #define KVM_SPSR_EL1 0 | |
27 | #define KVM_SPSR_SVC KVM_SPSR_EL1 | |
28 | #define KVM_SPSR_ABT 1 | |
29 | #define KVM_SPSR_UND 2 | |
30 | #define KVM_SPSR_IRQ 3 | |
31 | #define KVM_SPSR_FIQ 4 | |
32 | #define KVM_NR_SPSR 5 | |
33 | ||
34 | #ifndef __ASSEMBLY__ | |
b061808d | 35 | #include <linux/psci.h> |
fff02bc0 | 36 | #include <linux/types.h> |
c5daeae1 | 37 | #include <asm/ptrace.h> |
d9cb4336 | 38 | #include <asm/sve_context.h> |
c5daeae1 AK |
39 | |
40 | #define __KVM_HAVE_GUEST_DEBUG | |
41 | #define __KVM_HAVE_IRQ_LINE | |
444b1996 | 42 | #define __KVM_HAVE_READONLY_MEM |
8f3cd250 | 43 | #define __KVM_HAVE_VCPU_EVENTS |
c5daeae1 | 44 | |
74c98e20 | 45 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
93d7620c | 46 | #define KVM_DIRTY_LOG_PAGE_OFFSET 64 |
74c98e20 | 47 | |
c5daeae1 AK |
48 | #define KVM_REG_SIZE(id) \ |
49 | (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) | |
50 | ||
51 | struct kvm_regs { | |
52 | struct user_pt_regs regs; /* sp = sp_el0 */ | |
53 | ||
54 | __u64 sp_el1; | |
55 | __u64 elr_el1; | |
56 | ||
57 | __u64 spsr[KVM_NR_SPSR]; | |
58 | ||
59 | struct user_fpsimd_state fp_regs; | |
60 | }; | |
61 | ||
3a824b15 PB |
62 | /* |
63 | * Supported CPU Targets - Adding a new target type is not recommended, | |
64 | * unless there are some special registers not supported by the | |
65 | * genericv8 syreg table. | |
66 | */ | |
c5daeae1 AK |
67 | #define KVM_ARM_TARGET_AEM_V8 0 |
68 | #define KVM_ARM_TARGET_FOUNDATION_V8 1 | |
69 | #define KVM_ARM_TARGET_CORTEX_A57 2 | |
876074c2 | 70 | #define KVM_ARM_TARGET_XGENE_POTENZA 3 |
b061808d | 71 | #define KVM_ARM_TARGET_CORTEX_A53 4 |
3a824b15 PB |
72 | /* Generic ARM v8 target */ |
73 | #define KVM_ARM_TARGET_GENERIC_V8 5 | |
c5daeae1 | 74 | |
3a824b15 | 75 | #define KVM_ARM_NUM_TARGETS 6 |
c5daeae1 AK |
76 | |
77 | /* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ | |
78 | #define KVM_ARM_DEVICE_TYPE_SHIFT 0 | |
d525f73f CQ |
79 | #define KVM_ARM_DEVICE_TYPE_MASK GENMASK(KVM_ARM_DEVICE_TYPE_SHIFT + 15, \ |
80 | KVM_ARM_DEVICE_TYPE_SHIFT) | |
c5daeae1 | 81 | #define KVM_ARM_DEVICE_ID_SHIFT 16 |
d525f73f CQ |
82 | #define KVM_ARM_DEVICE_ID_MASK GENMASK(KVM_ARM_DEVICE_ID_SHIFT + 15, \ |
83 | KVM_ARM_DEVICE_ID_SHIFT) | |
c5daeae1 AK |
84 | |
85 | /* Supported device IDs */ | |
86 | #define KVM_ARM_DEVICE_VGIC_V2 0 | |
87 | ||
88 | /* Supported VGIC address types */ | |
89 | #define KVM_VGIC_V2_ADDR_TYPE_DIST 0 | |
90 | #define KVM_VGIC_V2_ADDR_TYPE_CPU 1 | |
91 | ||
92 | #define KVM_VGIC_V2_DIST_SIZE 0x1000 | |
93 | #define KVM_VGIC_V2_CPU_SIZE 0x2000 | |
94 | ||
51628b18 CB |
95 | /* Supported VGICv3 address types */ |
96 | #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 | |
97 | #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 | |
dbdfea92 | 98 | #define KVM_VGIC_ITS_ADDR_TYPE 4 |
77d361b1 | 99 | #define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 |
51628b18 CB |
100 | |
101 | #define KVM_VGIC_V3_DIST_SIZE SZ_64K | |
102 | #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) | |
dbdfea92 | 103 | #define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) |
51628b18 | 104 | |
c5daeae1 AK |
105 | #define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ |
106 | #define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ | |
b061808d | 107 | #define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */ |
b89485a5 | 108 | #define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */ |
d9cb4336 CH |
109 | #define KVM_ARM_VCPU_SVE 4 /* enable SVE for this CPU */ |
110 | #define KVM_ARM_VCPU_PTRAUTH_ADDRESS 5 /* VCPU uses address authentication */ | |
111 | #define KVM_ARM_VCPU_PTRAUTH_GENERIC 6 /* VCPU uses generic authentication */ | |
c5c0fdbe | 112 | #define KVM_ARM_VCPU_HAS_EL2 7 /* Support nested virtualization */ |
c5daeae1 AK |
113 | |
114 | struct kvm_vcpu_init { | |
115 | __u32 target; | |
116 | __u32 features[7]; | |
117 | }; | |
118 | ||
119 | struct kvm_sregs { | |
120 | }; | |
121 | ||
122 | struct kvm_fpu { | |
123 | }; | |
124 | ||
3a824b15 PB |
125 | /* |
126 | * See v8 ARM ARM D7.3: Debug Registers | |
127 | * | |
128 | * The architectural limit is 16 debug registers of each type although | |
129 | * in practice there are usually less (see ID_AA64DFR0_EL1). | |
130 | * | |
131 | * Although the control registers are architecturally defined as 32 | |
132 | * bits wide we use a 64 bit structure here to keep parity with | |
133 | * KVM_GET/SET_ONE_REG behaviour which treats all system registers as | |
134 | * 64 bit values. It also allows for the possibility of the | |
135 | * architecture expanding the control registers without having to | |
136 | * change the userspace ABI. | |
137 | */ | |
138 | #define KVM_ARM_MAX_DBG_REGS 16 | |
c5daeae1 | 139 | struct kvm_guest_debug_arch { |
3a824b15 PB |
140 | __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS]; |
141 | __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS]; | |
142 | __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS]; | |
143 | __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS]; | |
c5daeae1 AK |
144 | }; |
145 | ||
d525f73f | 146 | #define KVM_DEBUG_ARCH_HSR_HIGH_VALID (1 << 0) |
c5daeae1 | 147 | struct kvm_debug_exit_arch { |
3a824b15 | 148 | __u32 hsr; |
d525f73f | 149 | __u32 hsr_high; /* ESR_EL2[61:32] */ |
3a824b15 | 150 | __u64 far; /* used for watchpoints */ |
c5daeae1 AK |
151 | }; |
152 | ||
3a824b15 PB |
153 | /* |
154 | * Architecture specific defines for kvm_guest_debug->control | |
155 | */ | |
156 | ||
157 | #define KVM_GUESTDBG_USE_SW_BP (1 << 16) | |
158 | #define KVM_GUESTDBG_USE_HW (1 << 17) | |
159 | ||
c5daeae1 | 160 | struct kvm_sync_regs { |
74c98e20 CH |
161 | /* Used with KVM_CAP_ARM_USER_IRQ */ |
162 | __u64 device_irq_level; | |
c5daeae1 AK |
163 | }; |
164 | ||
53ba2eee MR |
165 | /* |
166 | * PMU filter structure. Describe a range of events with a particular | |
167 | * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER. | |
168 | */ | |
169 | struct kvm_pmu_event_filter { | |
170 | __u16 base_event; | |
171 | __u16 nevents; | |
172 | ||
173 | #define KVM_PMU_EVENT_ALLOW 0 | |
174 | #define KVM_PMU_EVENT_DENY 1 | |
175 | ||
176 | __u8 action; | |
177 | __u8 pad[3]; | |
178 | }; | |
179 | ||
8f3cd250 CH |
180 | /* for KVM_GET/SET_VCPU_EVENTS */ |
181 | struct kvm_vcpu_events { | |
182 | struct { | |
183 | __u8 serror_pending; | |
184 | __u8 serror_has_esr; | |
2a886794 | 185 | __u8 ext_dabt_pending; |
8f3cd250 | 186 | /* Align it to 8 bytes */ |
2a886794 | 187 | __u8 pad[5]; |
8f3cd250 CH |
188 | __u64 serror_esr; |
189 | } exception; | |
190 | __u32 reserved[12]; | |
191 | }; | |
192 | ||
327d4b7f BR |
193 | struct kvm_arm_copy_mte_tags { |
194 | __u64 guest_ipa; | |
195 | __u64 length; | |
196 | void *addr; | |
197 | __u64 flags; | |
198 | __u64 reserved[2]; | |
199 | }; | |
200 | ||
d0bf492f CLG |
201 | /* |
202 | * Counter/Timer offset structure. Describe the virtual/physical offset. | |
203 | * To be used with KVM_ARM_SET_COUNTER_OFFSET. | |
204 | */ | |
205 | struct kvm_arm_counter_offset { | |
206 | __u64 counter_offset; | |
207 | __u64 reserved; | |
208 | }; | |
209 | ||
327d4b7f BR |
210 | #define KVM_ARM_TAGS_TO_GUEST 0 |
211 | #define KVM_ARM_TAGS_FROM_GUEST 1 | |
212 | ||
c5daeae1 AK |
213 | /* If you need to interpret the index values, here is the key: */ |
214 | #define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 | |
215 | #define KVM_REG_ARM_COPROC_SHIFT 16 | |
216 | ||
217 | /* Normal registers are mapped as coprocessor 16. */ | |
218 | #define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) | |
219 | #define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / sizeof(__u32)) | |
220 | ||
221 | /* Some registers need more space to represent values. */ | |
222 | #define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) | |
223 | #define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 | |
224 | #define KVM_REG_ARM_DEMUX_ID_SHIFT 8 | |
225 | #define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) | |
226 | #define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF | |
227 | #define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 | |
228 | ||
229 | /* AArch64 system registers */ | |
230 | #define KVM_REG_ARM64_SYSREG (0x0013 << KVM_REG_ARM_COPROC_SHIFT) | |
231 | #define KVM_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 | |
232 | #define KVM_REG_ARM64_SYSREG_OP0_SHIFT 14 | |
233 | #define KVM_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 | |
234 | #define KVM_REG_ARM64_SYSREG_OP1_SHIFT 11 | |
235 | #define KVM_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 | |
236 | #define KVM_REG_ARM64_SYSREG_CRN_SHIFT 7 | |
237 | #define KVM_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 | |
238 | #define KVM_REG_ARM64_SYSREG_CRM_SHIFT 3 | |
239 | #define KVM_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 | |
240 | #define KVM_REG_ARM64_SYSREG_OP2_SHIFT 0 | |
241 | ||
876074c2 CD |
242 | #define ARM64_SYS_REG_SHIFT_MASK(x,n) \ |
243 | (((x) << KVM_REG_ARM64_SYSREG_ ## n ## _SHIFT) & \ | |
244 | KVM_REG_ARM64_SYSREG_ ## n ## _MASK) | |
245 | ||
246 | #define __ARM64_SYS_REG(op0,op1,crn,crm,op2) \ | |
247 | (KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | \ | |
248 | ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \ | |
249 | ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \ | |
250 | ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \ | |
251 | ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \ | |
252 | ARM64_SYS_REG_SHIFT_MASK(op2, OP2)) | |
253 | ||
254 | #define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64) | |
255 | ||
dd873966 EA |
256 | /* Physical Timer EL0 Registers */ |
257 | #define KVM_REG_ARM_PTIMER_CTL ARM64_SYS_REG(3, 3, 14, 2, 1) | |
258 | #define KVM_REG_ARM_PTIMER_CVAL ARM64_SYS_REG(3, 3, 14, 2, 2) | |
259 | #define KVM_REG_ARM_PTIMER_CNT ARM64_SYS_REG(3, 3, 14, 0, 1) | |
260 | ||
ddda3748 CH |
261 | /* |
262 | * EL0 Virtual Timer Registers | |
263 | * | |
264 | * WARNING: | |
265 | * KVM_REG_ARM_TIMER_CVAL and KVM_REG_ARM_TIMER_CNT are not defined | |
266 | * with the appropriate register encodings. Their values have been | |
267 | * accidentally swapped. As this is set API, the definitions here | |
268 | * must be used, rather than ones derived from the encodings. | |
269 | */ | |
876074c2 | 270 | #define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1) |
876074c2 | 271 | #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) |
ddda3748 | 272 | #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) |
876074c2 | 273 | |
65a6d8dd PM |
274 | /* KVM-as-firmware specific pseudo-registers */ |
275 | #define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) | |
276 | #define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ | |
277 | KVM_REG_ARM_FW | ((r) & 0xffff)) | |
278 | #define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) | |
f363d039 EA |
279 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1) |
280 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0 | |
281 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1 | |
282 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2 | |
53ba2eee MR |
283 | |
284 | /* | |
285 | * Only two states can be presented by the host kernel: | |
286 | * - NOT_REQUIRED: the guest doesn't need to do anything | |
287 | * - NOT_AVAIL: the guest isn't mitigated (it can still use SSBS if available) | |
288 | * | |
289 | * All the other values are deprecated. The host still accepts all | |
290 | * values (they are ABI), but will narrow them to the above two. | |
291 | */ | |
f363d039 EA |
292 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2) |
293 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0 | |
294 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1 | |
295 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2 | |
296 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3 | |
297 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4) | |
65a6d8dd | 298 | |
e4082063 AW |
299 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3 KVM_REG_ARM_FW_REG(3) |
300 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_AVAIL 0 | |
301 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_AVAIL 1 | |
302 | #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_REQUIRED 2 | |
303 | ||
d9cb4336 CH |
304 | /* SVE registers */ |
305 | #define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT) | |
306 | ||
307 | /* Z- and P-regs occupy blocks at the following offsets within this range: */ | |
308 | #define KVM_REG_ARM64_SVE_ZREG_BASE 0 | |
309 | #define KVM_REG_ARM64_SVE_PREG_BASE 0x400 | |
310 | #define KVM_REG_ARM64_SVE_FFR_BASE 0x600 | |
311 | ||
312 | #define KVM_ARM64_SVE_NUM_ZREGS __SVE_NUM_ZREGS | |
313 | #define KVM_ARM64_SVE_NUM_PREGS __SVE_NUM_PREGS | |
314 | ||
315 | #define KVM_ARM64_SVE_MAX_SLICES 32 | |
316 | ||
317 | #define KVM_REG_ARM64_SVE_ZREG(n, i) \ | |
318 | (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_ZREG_BASE | \ | |
319 | KVM_REG_SIZE_U2048 | \ | |
320 | (((n) & (KVM_ARM64_SVE_NUM_ZREGS - 1)) << 5) | \ | |
321 | ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) | |
322 | ||
323 | #define KVM_REG_ARM64_SVE_PREG(n, i) \ | |
324 | (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_PREG_BASE | \ | |
325 | KVM_REG_SIZE_U256 | \ | |
326 | (((n) & (KVM_ARM64_SVE_NUM_PREGS - 1)) << 5) | \ | |
327 | ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) | |
328 | ||
329 | #define KVM_REG_ARM64_SVE_FFR(i) \ | |
330 | (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_FFR_BASE | \ | |
331 | KVM_REG_SIZE_U256 | \ | |
332 | ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) | |
333 | ||
f363d039 EA |
334 | /* |
335 | * Register values for KVM_REG_ARM64_SVE_ZREG(), KVM_REG_ARM64_SVE_PREG() and | |
336 | * KVM_REG_ARM64_SVE_FFR() are represented in memory in an endianness- | |
337 | * invariant layout which differs from the layout used for the FPSIMD | |
338 | * V-registers on big-endian systems: see sigcontext.h for more explanation. | |
339 | */ | |
340 | ||
d9cb4336 CH |
341 | #define KVM_ARM64_SVE_VQ_MIN __SVE_VQ_MIN |
342 | #define KVM_ARM64_SVE_VQ_MAX __SVE_VQ_MAX | |
343 | ||
344 | /* Vector lengths pseudo-register: */ | |
345 | #define KVM_REG_ARM64_SVE_VLS (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \ | |
346 | KVM_REG_SIZE_U512 | 0xffff) | |
347 | #define KVM_ARM64_SVE_VLS_WORDS \ | |
348 | ((KVM_ARM64_SVE_VQ_MAX - KVM_ARM64_SVE_VQ_MIN) / 64 + 1) | |
349 | ||
d525f73f CQ |
350 | /* Bitmap feature firmware registers */ |
351 | #define KVM_REG_ARM_FW_FEAT_BMAP (0x0016 << KVM_REG_ARM_COPROC_SHIFT) | |
352 | #define KVM_REG_ARM_FW_FEAT_BMAP_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ | |
353 | KVM_REG_ARM_FW_FEAT_BMAP | \ | |
354 | ((r) & 0xffff)) | |
355 | ||
356 | #define KVM_REG_ARM_STD_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(0) | |
357 | ||
358 | enum { | |
359 | KVM_REG_ARM_STD_BIT_TRNG_V1_0 = 0, | |
360 | }; | |
361 | ||
362 | #define KVM_REG_ARM_STD_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(1) | |
363 | ||
364 | enum { | |
365 | KVM_REG_ARM_STD_HYP_BIT_PV_TIME = 0, | |
366 | }; | |
367 | ||
368 | #define KVM_REG_ARM_VENDOR_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(2) | |
369 | ||
370 | enum { | |
371 | KVM_REG_ARM_VENDOR_HYP_BIT_FUNC_FEAT = 0, | |
372 | KVM_REG_ARM_VENDOR_HYP_BIT_PTP = 1, | |
373 | }; | |
374 | ||
d0bf492f CLG |
375 | /* Device Control API on vm fd */ |
376 | #define KVM_ARM_VM_SMCCC_CTRL 0 | |
377 | #define KVM_ARM_VM_SMCCC_FILTER 0 | |
378 | ||
876074c2 CD |
379 | /* Device Control API: ARM VGIC */ |
380 | #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 | |
381 | #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 | |
382 | #define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 | |
383 | #define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 | |
384 | #define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) | |
3a5eb5b4 PB |
385 | #define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32 |
386 | #define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \ | |
387 | (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT) | |
876074c2 CD |
388 | #define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 |
389 | #define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) | |
3a5eb5b4 | 390 | #define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff) |
444b1996 | 391 | #define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 |
51628b18 | 392 | #define KVM_DEV_ARM_VGIC_GRP_CTRL 4 |
3a5eb5b4 PB |
393 | #define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 |
394 | #define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 | |
395 | #define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 | |
74c98e20 | 396 | #define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 |
3a5eb5b4 PB |
397 | #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 |
398 | #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ | |
399 | (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) | |
400 | #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff | |
401 | #define VGIC_LEVEL_INFO_LINE_LEVEL 0 | |
402 | ||
74c98e20 CH |
403 | #define KVM_DEV_ARM_VGIC_CTRL_INIT 0 |
404 | #define KVM_DEV_ARM_ITS_SAVE_TABLES 1 | |
405 | #define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 | |
406 | #define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 | |
dd873966 | 407 | #define KVM_DEV_ARM_ITS_CTRL_RESET 4 |
876074c2 | 408 | |
b89485a5 PB |
409 | /* Device Control API on vcpu fd */ |
410 | #define KVM_ARM_VCPU_PMU_V3_CTRL 0 | |
411 | #define KVM_ARM_VCPU_PMU_V3_IRQ 0 | |
412 | #define KVM_ARM_VCPU_PMU_V3_INIT 1 | |
53ba2eee | 413 | #define KVM_ARM_VCPU_PMU_V3_FILTER 2 |
e4082063 | 414 | #define KVM_ARM_VCPU_PMU_V3_SET_PMU 3 |
3272f0e2 CB |
415 | #define KVM_ARM_VCPU_TIMER_CTRL 1 |
416 | #define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0 | |
417 | #define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 | |
d0bf492f CLG |
418 | #define KVM_ARM_VCPU_TIMER_IRQ_HVTIMER 2 |
419 | #define KVM_ARM_VCPU_TIMER_IRQ_HPTIMER 3 | |
2a886794 GK |
420 | #define KVM_ARM_VCPU_PVTIME_CTRL 2 |
421 | #define KVM_ARM_VCPU_PVTIME_IPA 0 | |
b89485a5 | 422 | |
c5daeae1 | 423 | /* KVM_IRQ_LINE irq field index values */ |
f363d039 EA |
424 | #define KVM_ARM_IRQ_VCPU2_SHIFT 28 |
425 | #define KVM_ARM_IRQ_VCPU2_MASK 0xf | |
c5daeae1 | 426 | #define KVM_ARM_IRQ_TYPE_SHIFT 24 |
f363d039 | 427 | #define KVM_ARM_IRQ_TYPE_MASK 0xf |
c5daeae1 AK |
428 | #define KVM_ARM_IRQ_VCPU_SHIFT 16 |
429 | #define KVM_ARM_IRQ_VCPU_MASK 0xff | |
430 | #define KVM_ARM_IRQ_NUM_SHIFT 0 | |
431 | #define KVM_ARM_IRQ_NUM_MASK 0xffff | |
432 | ||
433 | /* irq_type field */ | |
434 | #define KVM_ARM_IRQ_TYPE_CPU 0 | |
435 | #define KVM_ARM_IRQ_TYPE_SPI 1 | |
436 | #define KVM_ARM_IRQ_TYPE_PPI 2 | |
437 | ||
438 | /* out-of-kernel GIC cpu interrupt injection irq_number field */ | |
439 | #define KVM_ARM_IRQ_CPU_IRQ 0 | |
440 | #define KVM_ARM_IRQ_CPU_FIQ 1 | |
441 | ||
7a52ce8a CH |
442 | /* |
443 | * This used to hold the highest supported SPI, but it is now obsolete | |
444 | * and only here to provide source code level compatibility with older | |
445 | * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. | |
446 | */ | |
c5daeae1 AK |
447 | #define KVM_ARM_IRQ_GIC_MAX 127 |
448 | ||
7a52ce8a CH |
449 | /* One single KVM irqchip, ie. the VGIC */ |
450 | #define KVM_NR_IRQCHIPS 1 | |
451 | ||
c5daeae1 AK |
452 | /* PSCI interface */ |
453 | #define KVM_PSCI_FN_BASE 0x95c1ba5e | |
454 | #define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) | |
455 | ||
456 | #define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) | |
457 | #define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) | |
458 | #define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) | |
459 | #define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) | |
460 | ||
b061808d AG |
461 | #define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS |
462 | #define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED | |
463 | #define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS | |
464 | #define KVM_PSCI_RET_DENIED PSCI_RET_DENIED | |
c5daeae1 | 465 | |
e4082063 AW |
466 | /* arm64-specific kvm_run::system_event flags */ |
467 | /* | |
468 | * Reset caused by a PSCI v1.1 SYSTEM_RESET2 call. | |
469 | * Valid only when the system event has a type of KVM_SYSTEM_EVENT_RESET. | |
470 | */ | |
471 | #define KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2 (1ULL << 0) | |
472 | ||
473 | /* run->fail_entry.hardware_entry_failure_reason codes. */ | |
474 | #define KVM_EXIT_FAIL_ENTRY_CPU_UNSUPPORTED (1ULL << 0) | |
475 | ||
d0bf492f CLG |
476 | enum kvm_smccc_filter_action { |
477 | KVM_SMCCC_FILTER_HANDLE = 0, | |
478 | KVM_SMCCC_FILTER_DENY, | |
479 | KVM_SMCCC_FILTER_FWD_TO_USER, | |
480 | ||
481 | }; | |
482 | ||
483 | struct kvm_smccc_filter { | |
484 | __u32 base; | |
485 | __u32 nr_functions; | |
486 | __u8 action; | |
487 | __u8 pad[15]; | |
488 | }; | |
489 | ||
490 | /* arm64-specific KVM_EXIT_HYPERCALL flags */ | |
491 | #define KVM_HYPERCALL_EXIT_SMC (1U << 0) | |
492 | #define KVM_HYPERCALL_EXIT_16BIT (1U << 1) | |
493 | ||
efb91426 DHB |
494 | /* |
495 | * Get feature ID registers userspace writable mask. | |
496 | * | |
497 | * From DDI0487J.a, D19.2.66 ("ID_AA64MMFR2_EL1, AArch64 Memory Model | |
498 | * Feature Register 2"): | |
499 | * | |
500 | * "The Feature ID space is defined as the System register space in | |
501 | * AArch64 with op0==3, op1=={0, 1, 3}, CRn==0, CRm=={0-7}, | |
502 | * op2=={0-7}." | |
503 | * | |
504 | * This covers all currently known R/O registers that indicate | |
505 | * anything useful feature wise, including the ID registers. | |
506 | * | |
507 | * If we ever need to introduce a new range, it will be described as | |
508 | * such in the range field. | |
509 | */ | |
510 | #define KVM_ARM_FEATURE_ID_RANGE_IDX(op0, op1, crn, crm, op2) \ | |
511 | ({ \ | |
512 | __u64 __op1 = (op1) & 3; \ | |
513 | __op1 -= (__op1 == 3); \ | |
514 | (__op1 << 6 | ((crm) & 7) << 3 | (op2)); \ | |
515 | }) | |
516 | ||
517 | #define KVM_ARM_FEATURE_ID_RANGE 0 | |
518 | #define KVM_ARM_FEATURE_ID_RANGE_SIZE (3 * 8 * 8) | |
519 | ||
520 | struct reg_mask_range { | |
521 | __u64 addr; /* Pointer to mask array */ | |
522 | __u32 range; /* Requested range */ | |
523 | __u32 reserved[13]; | |
524 | }; | |
525 | ||
c5daeae1 AK |
526 | #endif |
527 | ||
528 | #endif /* __ARM_KVM_H__ */ |