kvm.h (15505B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 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__ 35#include <linux/psci.h> 36#include <linux/types.h> 37#include <asm/ptrace.h> 38#include <asm/sve_context.h> 39 40#define __KVM_HAVE_GUEST_DEBUG 41#define __KVM_HAVE_IRQ_LINE 42#define __KVM_HAVE_READONLY_MEM 43#define __KVM_HAVE_VCPU_EVENTS 44 45#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 46 47#define KVM_REG_SIZE(id) \ 48 (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) 49 50struct kvm_regs { 51 struct user_pt_regs regs; /* sp = sp_el0 */ 52 53 __u64 sp_el1; 54 __u64 elr_el1; 55 56 __u64 spsr[KVM_NR_SPSR]; 57 58 struct user_fpsimd_state fp_regs; 59}; 60 61/* 62 * Supported CPU Targets - Adding a new target type is not recommended, 63 * unless there are some special registers not supported by the 64 * genericv8 syreg table. 65 */ 66#define KVM_ARM_TARGET_AEM_V8 0 67#define KVM_ARM_TARGET_FOUNDATION_V8 1 68#define KVM_ARM_TARGET_CORTEX_A57 2 69#define KVM_ARM_TARGET_XGENE_POTENZA 3 70#define KVM_ARM_TARGET_CORTEX_A53 4 71/* Generic ARM v8 target */ 72#define KVM_ARM_TARGET_GENERIC_V8 5 73 74#define KVM_ARM_NUM_TARGETS 6 75 76/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ 77#define KVM_ARM_DEVICE_TYPE_SHIFT 0 78#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT) 79#define KVM_ARM_DEVICE_ID_SHIFT 16 80#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT) 81 82/* Supported device IDs */ 83#define KVM_ARM_DEVICE_VGIC_V2 0 84 85/* Supported VGIC address types */ 86#define KVM_VGIC_V2_ADDR_TYPE_DIST 0 87#define KVM_VGIC_V2_ADDR_TYPE_CPU 1 88 89#define KVM_VGIC_V2_DIST_SIZE 0x1000 90#define KVM_VGIC_V2_CPU_SIZE 0x2000 91 92/* Supported VGICv3 address types */ 93#define KVM_VGIC_V3_ADDR_TYPE_DIST 2 94#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 95#define KVM_VGIC_ITS_ADDR_TYPE 4 96#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 97 98#define KVM_VGIC_V3_DIST_SIZE SZ_64K 99#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) 100#define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) 101 102#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ 103#define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ 104#define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */ 105#define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */ 106#define KVM_ARM_VCPU_SVE 4 /* enable SVE for this CPU */ 107#define KVM_ARM_VCPU_PTRAUTH_ADDRESS 5 /* VCPU uses address authentication */ 108#define KVM_ARM_VCPU_PTRAUTH_GENERIC 6 /* VCPU uses generic authentication */ 109 110struct kvm_vcpu_init { 111 __u32 target; 112 __u32 features[7]; 113}; 114 115struct kvm_sregs { 116}; 117 118struct kvm_fpu { 119}; 120 121/* 122 * See v8 ARM ARM D7.3: Debug Registers 123 * 124 * The architectural limit is 16 debug registers of each type although 125 * in practice there are usually less (see ID_AA64DFR0_EL1). 126 * 127 * Although the control registers are architecturally defined as 32 128 * bits wide we use a 64 bit structure here to keep parity with 129 * KVM_GET/SET_ONE_REG behaviour which treats all system registers as 130 * 64 bit values. It also allows for the possibility of the 131 * architecture expanding the control registers without having to 132 * change the userspace ABI. 133 */ 134#define KVM_ARM_MAX_DBG_REGS 16 135struct kvm_guest_debug_arch { 136 __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS]; 137 __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS]; 138 __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS]; 139 __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS]; 140}; 141 142#define KVM_DEBUG_ARCH_HSR_HIGH_VALID (1 << 0) 143struct kvm_debug_exit_arch { 144 __u32 hsr; 145 __u32 hsr_high; /* ESR_EL2[61:32] */ 146 __u64 far; /* used for watchpoints */ 147}; 148 149/* 150 * Architecture specific defines for kvm_guest_debug->control 151 */ 152 153#define KVM_GUESTDBG_USE_SW_BP (1 << 16) 154#define KVM_GUESTDBG_USE_HW (1 << 17) 155 156struct kvm_sync_regs { 157 /* Used with KVM_CAP_ARM_USER_IRQ */ 158 __u64 device_irq_level; 159}; 160 161/* 162 * PMU filter structure. Describe a range of events with a particular 163 * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER. 164 */ 165struct kvm_pmu_event_filter { 166 __u16 base_event; 167 __u16 nevents; 168 169#define KVM_PMU_EVENT_ALLOW 0 170#define KVM_PMU_EVENT_DENY 1 171 172 __u8 action; 173 __u8 pad[3]; 174}; 175 176/* for KVM_GET/SET_VCPU_EVENTS */ 177struct kvm_vcpu_events { 178 struct { 179 __u8 serror_pending; 180 __u8 serror_has_esr; 181 __u8 ext_dabt_pending; 182 /* Align it to 8 bytes */ 183 __u8 pad[5]; 184 __u64 serror_esr; 185 } exception; 186 __u32 reserved[12]; 187}; 188 189struct kvm_arm_copy_mte_tags { 190 __u64 guest_ipa; 191 __u64 length; 192 void __user *addr; 193 __u64 flags; 194 __u64 reserved[2]; 195}; 196 197#define KVM_ARM_TAGS_TO_GUEST 0 198#define KVM_ARM_TAGS_FROM_GUEST 1 199 200/* If you need to interpret the index values, here is the key: */ 201#define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 202#define KVM_REG_ARM_COPROC_SHIFT 16 203 204/* Normal registers are mapped as coprocessor 16. */ 205#define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) 206#define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / sizeof(__u32)) 207 208/* Some registers need more space to represent values. */ 209#define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) 210#define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 211#define KVM_REG_ARM_DEMUX_ID_SHIFT 8 212#define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) 213#define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF 214#define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 215 216/* AArch64 system registers */ 217#define KVM_REG_ARM64_SYSREG (0x0013 << KVM_REG_ARM_COPROC_SHIFT) 218#define KVM_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 219#define KVM_REG_ARM64_SYSREG_OP0_SHIFT 14 220#define KVM_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 221#define KVM_REG_ARM64_SYSREG_OP1_SHIFT 11 222#define KVM_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 223#define KVM_REG_ARM64_SYSREG_CRN_SHIFT 7 224#define KVM_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 225#define KVM_REG_ARM64_SYSREG_CRM_SHIFT 3 226#define KVM_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 227#define KVM_REG_ARM64_SYSREG_OP2_SHIFT 0 228 229#define ARM64_SYS_REG_SHIFT_MASK(x,n) \ 230 (((x) << KVM_REG_ARM64_SYSREG_ ## n ## _SHIFT) & \ 231 KVM_REG_ARM64_SYSREG_ ## n ## _MASK) 232 233#define __ARM64_SYS_REG(op0,op1,crn,crm,op2) \ 234 (KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | \ 235 ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \ 236 ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \ 237 ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \ 238 ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \ 239 ARM64_SYS_REG_SHIFT_MASK(op2, OP2)) 240 241#define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64) 242 243/* Physical Timer EL0 Registers */ 244#define KVM_REG_ARM_PTIMER_CTL ARM64_SYS_REG(3, 3, 14, 2, 1) 245#define KVM_REG_ARM_PTIMER_CVAL ARM64_SYS_REG(3, 3, 14, 2, 2) 246#define KVM_REG_ARM_PTIMER_CNT ARM64_SYS_REG(3, 3, 14, 0, 1) 247 248/* 249 * EL0 Virtual Timer Registers 250 * 251 * WARNING: 252 * KVM_REG_ARM_TIMER_CVAL and KVM_REG_ARM_TIMER_CNT are not defined 253 * with the appropriate register encodings. Their values have been 254 * accidentally swapped. As this is set API, the definitions here 255 * must be used, rather than ones derived from the encodings. 256 */ 257#define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1) 258#define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) 259#define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) 260 261/* KVM-as-firmware specific pseudo-registers */ 262#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) 263#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ 264 KVM_REG_ARM_FW | ((r) & 0xffff)) 265#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) 266#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1) 267#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0 268#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1 269#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2 270 271/* 272 * Only two states can be presented by the host kernel: 273 * - NOT_REQUIRED: the guest doesn't need to do anything 274 * - NOT_AVAIL: the guest isn't mitigated (it can still use SSBS if available) 275 * 276 * All the other values are deprecated. The host still accepts all 277 * values (they are ABI), but will narrow them to the above two. 278 */ 279#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2) 280#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0 281#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1 282#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2 283#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3 284#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4) 285 286#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3 KVM_REG_ARM_FW_REG(3) 287#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_AVAIL 0 288#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_AVAIL 1 289#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_REQUIRED 2 290 291/* SVE registers */ 292#define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT) 293 294/* Z- and P-regs occupy blocks at the following offsets within this range: */ 295#define KVM_REG_ARM64_SVE_ZREG_BASE 0 296#define KVM_REG_ARM64_SVE_PREG_BASE 0x400 297#define KVM_REG_ARM64_SVE_FFR_BASE 0x600 298 299#define KVM_ARM64_SVE_NUM_ZREGS __SVE_NUM_ZREGS 300#define KVM_ARM64_SVE_NUM_PREGS __SVE_NUM_PREGS 301 302#define KVM_ARM64_SVE_MAX_SLICES 32 303 304#define KVM_REG_ARM64_SVE_ZREG(n, i) \ 305 (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_ZREG_BASE | \ 306 KVM_REG_SIZE_U2048 | \ 307 (((n) & (KVM_ARM64_SVE_NUM_ZREGS - 1)) << 5) | \ 308 ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) 309 310#define KVM_REG_ARM64_SVE_PREG(n, i) \ 311 (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_PREG_BASE | \ 312 KVM_REG_SIZE_U256 | \ 313 (((n) & (KVM_ARM64_SVE_NUM_PREGS - 1)) << 5) | \ 314 ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) 315 316#define KVM_REG_ARM64_SVE_FFR(i) \ 317 (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_FFR_BASE | \ 318 KVM_REG_SIZE_U256 | \ 319 ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) 320 321/* 322 * Register values for KVM_REG_ARM64_SVE_ZREG(), KVM_REG_ARM64_SVE_PREG() and 323 * KVM_REG_ARM64_SVE_FFR() are represented in memory in an endianness- 324 * invariant layout which differs from the layout used for the FPSIMD 325 * V-registers on big-endian systems: see sigcontext.h for more explanation. 326 */ 327 328#define KVM_ARM64_SVE_VQ_MIN __SVE_VQ_MIN 329#define KVM_ARM64_SVE_VQ_MAX __SVE_VQ_MAX 330 331/* Vector lengths pseudo-register: */ 332#define KVM_REG_ARM64_SVE_VLS (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \ 333 KVM_REG_SIZE_U512 | 0xffff) 334#define KVM_ARM64_SVE_VLS_WORDS \ 335 ((KVM_ARM64_SVE_VQ_MAX - KVM_ARM64_SVE_VQ_MIN) / 64 + 1) 336 337/* Bitmap feature firmware registers */ 338#define KVM_REG_ARM_FW_FEAT_BMAP (0x0016 << KVM_REG_ARM_COPROC_SHIFT) 339#define KVM_REG_ARM_FW_FEAT_BMAP_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ 340 KVM_REG_ARM_FW_FEAT_BMAP | \ 341 ((r) & 0xffff)) 342 343#define KVM_REG_ARM_STD_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(0) 344 345enum { 346 KVM_REG_ARM_STD_BIT_TRNG_V1_0 = 0, 347#ifdef __KERNEL__ 348 KVM_REG_ARM_STD_BMAP_BIT_COUNT, 349#endif 350}; 351 352#define KVM_REG_ARM_STD_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(1) 353 354enum { 355 KVM_REG_ARM_STD_HYP_BIT_PV_TIME = 0, 356#ifdef __KERNEL__ 357 KVM_REG_ARM_STD_HYP_BMAP_BIT_COUNT, 358#endif 359}; 360 361#define KVM_REG_ARM_VENDOR_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(2) 362 363enum { 364 KVM_REG_ARM_VENDOR_HYP_BIT_FUNC_FEAT = 0, 365 KVM_REG_ARM_VENDOR_HYP_BIT_PTP = 1, 366#ifdef __KERNEL__ 367 KVM_REG_ARM_VENDOR_HYP_BMAP_BIT_COUNT, 368#endif 369}; 370 371/* Device Control API: ARM VGIC */ 372#define KVM_DEV_ARM_VGIC_GRP_ADDR 0 373#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 374#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 375#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 376#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) 377#define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32 378#define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \ 379 (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT) 380#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 381#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) 382#define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff) 383#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 384#define KVM_DEV_ARM_VGIC_GRP_CTRL 4 385#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 386#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 387#define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 388#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 389#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 390#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ 391 (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) 392#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff 393#define VGIC_LEVEL_INFO_LINE_LEVEL 0 394 395#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 396#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 397#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 398#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 399#define KVM_DEV_ARM_ITS_CTRL_RESET 4 400 401/* Device Control API on vcpu fd */ 402#define KVM_ARM_VCPU_PMU_V3_CTRL 0 403#define KVM_ARM_VCPU_PMU_V3_IRQ 0 404#define KVM_ARM_VCPU_PMU_V3_INIT 1 405#define KVM_ARM_VCPU_PMU_V3_FILTER 2 406#define KVM_ARM_VCPU_PMU_V3_SET_PMU 3 407#define KVM_ARM_VCPU_TIMER_CTRL 1 408#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0 409#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 410#define KVM_ARM_VCPU_PVTIME_CTRL 2 411#define KVM_ARM_VCPU_PVTIME_IPA 0 412 413/* KVM_IRQ_LINE irq field index values */ 414#define KVM_ARM_IRQ_VCPU2_SHIFT 28 415#define KVM_ARM_IRQ_VCPU2_MASK 0xf 416#define KVM_ARM_IRQ_TYPE_SHIFT 24 417#define KVM_ARM_IRQ_TYPE_MASK 0xf 418#define KVM_ARM_IRQ_VCPU_SHIFT 16 419#define KVM_ARM_IRQ_VCPU_MASK 0xff 420#define KVM_ARM_IRQ_NUM_SHIFT 0 421#define KVM_ARM_IRQ_NUM_MASK 0xffff 422 423/* irq_type field */ 424#define KVM_ARM_IRQ_TYPE_CPU 0 425#define KVM_ARM_IRQ_TYPE_SPI 1 426#define KVM_ARM_IRQ_TYPE_PPI 2 427 428/* out-of-kernel GIC cpu interrupt injection irq_number field */ 429#define KVM_ARM_IRQ_CPU_IRQ 0 430#define KVM_ARM_IRQ_CPU_FIQ 1 431 432/* 433 * This used to hold the highest supported SPI, but it is now obsolete 434 * and only here to provide source code level compatibility with older 435 * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. 436 */ 437#ifndef __KERNEL__ 438#define KVM_ARM_IRQ_GIC_MAX 127 439#endif 440 441/* One single KVM irqchip, ie. the VGIC */ 442#define KVM_NR_IRQCHIPS 1 443 444/* PSCI interface */ 445#define KVM_PSCI_FN_BASE 0x95c1ba5e 446#define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) 447 448#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) 449#define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) 450#define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) 451#define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) 452 453#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS 454#define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED 455#define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS 456#define KVM_PSCI_RET_DENIED PSCI_RET_DENIED 457 458/* arm64-specific kvm_run::system_event flags */ 459/* 460 * Reset caused by a PSCI v1.1 SYSTEM_RESET2 call. 461 * Valid only when the system event has a type of KVM_SYSTEM_EVENT_RESET. 462 */ 463#define KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2 (1ULL << 0) 464 465/* run->fail_entry.hardware_entry_failure_reason codes. */ 466#define KVM_EXIT_FAIL_ENTRY_CPU_UNSUPPORTED (1ULL << 0) 467 468#endif 469 470#endif /* __ARM_KVM_H__ */