| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arnaldo Carvalho de Melo | 1035 | 86.03% | 21 | 75.00% |
| siyanteng | 77 | 6.40% | 1 | 3.57% |
| Namhyung Kim | 44 | 3.66% | 1 | 3.57% |
| Ingo Molnar | 42 | 3.49% | 3 | 10.71% |
| Alexandru Elisei | 4 | 0.33% | 1 | 3.57% |
| Greg Kroah-Hartman | 1 | 0.08% | 1 | 3.57% |
| Total | 1203 | 28 |
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (C) 2012,2013 - ARM Ltd * Author: Marc Zyngier <marc.zyngier@arm.com> * * Derived from arch/arm/include/uapi/asm/kvm.h: * Copyright (C) 2012 - Virtual Open Systems and Columbia University * Author: Christoffer Dall <c.dall@virtualopensystems.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __ARM_KVM_H__ #define __ARM_KVM_H__ #define KVM_SPSR_EL1 0 #define KVM_SPSR_SVC KVM_SPSR_EL1 #define KVM_SPSR_ABT 1 #define KVM_SPSR_UND 2 #define KVM_SPSR_IRQ 3 #define KVM_SPSR_FIQ 4 #define KVM_NR_SPSR 5 #ifndef __ASSEMBLY__ #include <linux/psci.h> #include <linux/types.h> #include <asm/ptrace.h> #include <asm/sve_context.h> #define __KVM_HAVE_GUEST_DEBUG #define __KVM_HAVE_IRQ_LINE #define __KVM_HAVE_READONLY_MEM #define __KVM_HAVE_VCPU_EVENTS #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 #define KVM_DIRTY_LOG_PAGE_OFFSET 64 #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) struct kvm_regs { struct user_pt_regs regs; /* sp = sp_el0 */ __u64 sp_el1; __u64 elr_el1; __u64 spsr[KVM_NR_SPSR]; struct user_fpsimd_state fp_regs; }; /* * Supported CPU Targets - Adding a new target type is not recommended, * unless there are some special registers not supported by the * genericv8 syreg table. */ #define KVM_ARM_TARGET_AEM_V8 0 #define KVM_ARM_TARGET_FOUNDATION_V8 1 #define KVM_ARM_TARGET_CORTEX_A57 2 #define KVM_ARM_TARGET_XGENE_POTENZA 3 #define KVM_ARM_TARGET_CORTEX_A53 4 /* Generic ARM v8 target */ #define KVM_ARM_TARGET_GENERIC_V8 5 #define KVM_ARM_NUM_TARGETS 6 /* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ #define KVM_ARM_DEVICE_TYPE_SHIFT 0 #define KVM_ARM_DEVICE_TYPE_MASK GENMASK(KVM_ARM_DEVICE_TYPE_SHIFT + 15, \ KVM_ARM_DEVICE_TYPE_SHIFT) #define KVM_ARM_DEVICE_ID_SHIFT 16 #define KVM_ARM_DEVICE_ID_MASK GENMASK(KVM_ARM_DEVICE_ID_SHIFT + 15, \ KVM_ARM_DEVICE_ID_SHIFT) /* Supported device IDs */ #define KVM_ARM_DEVICE_VGIC_V2 0 /* Supported VGIC address types */ #define KVM_VGIC_V2_ADDR_TYPE_DIST 0 #define KVM_VGIC_V2_ADDR_TYPE_CPU 1 #define KVM_VGIC_V2_DIST_SIZE 0x1000 #define KVM_VGIC_V2_CPU_SIZE 0x2000 /* Supported VGICv3 address types */ #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 #define KVM_VGIC_ITS_ADDR_TYPE 4 #define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 #define KVM_VGIC_V3_DIST_SIZE SZ_64K #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) #define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) #define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ #define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ #define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */ #define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */ #define KVM_ARM_VCPU_SVE 4 /* enable SVE for this CPU */ #define KVM_ARM_VCPU_PTRAUTH_ADDRESS 5 /* VCPU uses address authentication */ #define KVM_ARM_VCPU_PTRAUTH_GENERIC 6 /* VCPU uses generic authentication */ #define KVM_ARM_VCPU_HAS_EL2 7 /* Support nested virtualization */ struct kvm_vcpu_init { __u32 target; __u32 features[7]; }; struct kvm_sregs { }; struct kvm_fpu { }; /* * See v8 ARM ARM D7.3: Debug Registers * * The architectural limit is 16 debug registers of each type although * in practice there are usually less (see ID_AA64DFR0_EL1). * * Although the control registers are architecturally defined as 32 * bits wide we use a 64 bit structure here to keep parity with * KVM_GET/SET_ONE_REG behaviour which treats all system registers as * 64 bit values. It also allows for the possibility of the * architecture expanding the control registers without having to * change the userspace ABI. */ #define KVM_ARM_MAX_DBG_REGS 16 struct kvm_guest_debug_arch { __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS]; __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS]; __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS]; __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS]; }; #define KVM_DEBUG_ARCH_HSR_HIGH_VALID (1 << 0) struct kvm_debug_exit_arch { __u32 hsr; __u32 hsr_high; /* ESR_EL2[61:32] */ __u64 far; /* used for watchpoints */ }; /* * Architecture specific defines for kvm_guest_debug->control */ #define KVM_GUESTDBG_USE_SW_BP (1 << 16) #define KVM_GUESTDBG_USE_HW (1 << 17) struct kvm_sync_regs { /* Used with KVM_CAP_ARM_USER_IRQ */ __u64 device_irq_level; }; /* * PMU filter structure. Describe a range of events with a particular * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER. */ struct kvm_pmu_event_filter { __u16 base_event; __u16 nevents; #define KVM_PMU_EVENT_ALLOW 0 #define KVM_PMU_EVENT_DENY 1 __u8 action; __u8 pad[3]; }; /* for KVM_GET/SET_VCPU_EVENTS */ struct kvm_vcpu_events { struct { __u8 serror_pending; __u8 serror_has_esr; __u8 ext_dabt_pending; /* Align it to 8 bytes */ __u8 pad[5]; __u64 serror_esr; } exception; __u32 reserved[12]; }; struct kvm_arm_copy_mte_tags { __u64 guest_ipa; __u64 length; void __user *addr; __u64 flags; __u64 reserved[2]; }; /* * Counter/Timer offset structure. Describe the virtual/physical offset. * To be used with KVM_ARM_SET_COUNTER_OFFSET. */ struct kvm_arm_counter_offset { __u64 counter_offset; __u64 reserved; }; #define KVM_ARM_TAGS_TO_GUEST 0 #define KVM_ARM_TAGS_FROM_GUEST 1 /* If you need to interpret the index values, here is the key: */ #define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 #define KVM_REG_ARM_COPROC_SHIFT 16 /* Normal registers are mapped as coprocessor 16. */ #define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) #define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / sizeof(__u32)) /* Some registers need more space to represent values. */ #define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) #define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 #define KVM_REG_ARM_DEMUX_ID_SHIFT 8 #define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) #define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF #define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 /* AArch64 system registers */ #define KVM_REG_ARM64_SYSREG (0x0013 << KVM_REG_ARM_COPROC_SHIFT) #define KVM_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 #define KVM_REG_ARM64_SYSREG_OP0_SHIFT 14 #define KVM_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 #define KVM_REG_ARM64_SYSREG_OP1_SHIFT 11 #define KVM_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 #define KVM_REG_ARM64_SYSREG_CRN_SHIFT 7 #define KVM_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 #define KVM_REG_ARM64_SYSREG_CRM_SHIFT 3 #define KVM_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 #define KVM_REG_ARM64_SYSREG_OP2_SHIFT 0 #define ARM64_SYS_REG_SHIFT_MASK(x,n) \ (((x) << KVM_REG_ARM64_SYSREG_ ## n ## _SHIFT) & \ KVM_REG_ARM64_SYSREG_ ## n ## _MASK) #define __ARM64_SYS_REG(op0,op1,crn,crm,op2) \ (KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | \ ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \ ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \ ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \ ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \ ARM64_SYS_REG_SHIFT_MASK(op2, OP2)) #define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64) /* Physical Timer EL0 Registers */ #define KVM_REG_ARM_PTIMER_CTL ARM64_SYS_REG(3, 3, 14, 2, 1) #define KVM_REG_ARM_PTIMER_CVAL ARM64_SYS_REG(3, 3, 14, 2, 2) #define KVM_REG_ARM_PTIMER_CNT ARM64_SYS_REG(3, 3, 14, 0, 1) /* * EL0 Virtual Timer Registers * * WARNING: * KVM_REG_ARM_TIMER_CVAL and KVM_REG_ARM_TIMER_CNT are not defined * with the appropriate register encodings. Their values have been * accidentally swapped. As this is set API, the definitions here * must be used, rather than ones derived from the encodings. */ #define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1) #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) /* KVM-as-firmware specific pseudo-registers */ #define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) #define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ KVM_REG_ARM_FW | ((r) & 0xffff)) #define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1) #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2 /* * Only two states can be presented by the host kernel: * - NOT_REQUIRED: the guest doesn't need to do anything * - NOT_AVAIL: the guest isn't mitigated (it can still use SSBS if available) * * All the other values are deprecated. The host still accepts all * values (they are ABI), but will narrow them to the above two. */ #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2) #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4) #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3 KVM_REG_ARM_FW_REG(3) #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_AVAIL 0 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_AVAIL 1 #define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3_NOT_REQUIRED 2 /* SVE registers */ #define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT) /* Z- and P-regs occupy blocks at the following offsets within this range: */ #define KVM_REG_ARM64_SVE_ZREG_BASE 0 #define KVM_REG_ARM64_SVE_PREG_BASE 0x400 #define KVM_REG_ARM64_SVE_FFR_BASE 0x600 #define KVM_ARM64_SVE_NUM_ZREGS __SVE_NUM_ZREGS #define KVM_ARM64_SVE_NUM_PREGS __SVE_NUM_PREGS #define KVM_ARM64_SVE_MAX_SLICES 32 #define KVM_REG_ARM64_SVE_ZREG(n, i) \ (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_ZREG_BASE | \ KVM_REG_SIZE_U2048 | \ (((n) & (KVM_ARM64_SVE_NUM_ZREGS - 1)) << 5) | \ ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) #define KVM_REG_ARM64_SVE_PREG(n, i) \ (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_PREG_BASE | \ KVM_REG_SIZE_U256 | \ (((n) & (KVM_ARM64_SVE_NUM_PREGS - 1)) << 5) | \ ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) #define KVM_REG_ARM64_SVE_FFR(i) \ (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | KVM_REG_ARM64_SVE_FFR_BASE | \ KVM_REG_SIZE_U256 | \ ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) /* * Register values for KVM_REG_ARM64_SVE_ZREG(), KVM_REG_ARM64_SVE_PREG() and * KVM_REG_ARM64_SVE_FFR() are represented in memory in an endianness- * invariant layout which differs from the layout used for the FPSIMD * V-registers on big-endian systems: see sigcontext.h for more explanation. */ #define KVM_ARM64_SVE_VQ_MIN __SVE_VQ_MIN #define KVM_ARM64_SVE_VQ_MAX __SVE_VQ_MAX /* Vector lengths pseudo-register: */ #define KVM_REG_ARM64_SVE_VLS (KVM_REG_ARM64 | KVM_REG_ARM64_SVE | \ KVM_REG_SIZE_U512 | 0xffff) #define KVM_ARM64_SVE_VLS_WORDS \ ((KVM_ARM64_SVE_VQ_MAX - KVM_ARM64_SVE_VQ_MIN) / 64 + 1) /* Bitmap feature firmware registers */ #define KVM_REG_ARM_FW_FEAT_BMAP (0x0016 << KVM_REG_ARM_COPROC_SHIFT) #define KVM_REG_ARM_FW_FEAT_BMAP_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ KVM_REG_ARM_FW_FEAT_BMAP | \ ((r) & 0xffff)) #define KVM_REG_ARM_STD_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(0) enum { KVM_REG_ARM_STD_BIT_TRNG_V1_0 = 0, #ifdef __KERNEL__ KVM_REG_ARM_STD_BMAP_BIT_COUNT, #endif }; #define KVM_REG_ARM_STD_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(1) enum { KVM_REG_ARM_STD_HYP_BIT_PV_TIME = 0, #ifdef __KERNEL__ KVM_REG_ARM_STD_HYP_BMAP_BIT_COUNT, #endif }; #define KVM_REG_ARM_VENDOR_HYP_BMAP KVM_REG_ARM_FW_FEAT_BMAP_REG(2) enum { KVM_REG_ARM_VENDOR_HYP_BIT_FUNC_FEAT = 0, KVM_REG_ARM_VENDOR_HYP_BIT_PTP = 1, #ifdef __KERNEL__ KVM_REG_ARM_VENDOR_HYP_BMAP_BIT_COUNT, #endif }; /* Device Control API on vm fd */ #define KVM_ARM_VM_SMCCC_CTRL 0 #define KVM_ARM_VM_SMCCC_FILTER 0 /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 #define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 #define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 #define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) #define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32 #define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \ (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT) #define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 #define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) #define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff) #define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 #define KVM_DEV_ARM_VGIC_GRP_CTRL 4 #define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 #define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 #define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 #define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) #define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff #define VGIC_LEVEL_INFO_LINE_LEVEL 0 #define KVM_DEV_ARM_VGIC_CTRL_INIT 0 #define KVM_DEV_ARM_ITS_SAVE_TABLES 1 #define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 #define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 #define KVM_DEV_ARM_ITS_CTRL_RESET 4 /* Device Control API on vcpu fd */ #define KVM_ARM_VCPU_PMU_V3_CTRL 0 #define KVM_ARM_VCPU_PMU_V3_IRQ 0 #define KVM_ARM_VCPU_PMU_V3_INIT 1 #define KVM_ARM_VCPU_PMU_V3_FILTER 2 #define KVM_ARM_VCPU_PMU_V3_SET_PMU 3 #define KVM_ARM_VCPU_TIMER_CTRL 1 #define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0 #define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 #define KVM_ARM_VCPU_TIMER_IRQ_HVTIMER 2 #define KVM_ARM_VCPU_TIMER_IRQ_HPTIMER 3 #define KVM_ARM_VCPU_PVTIME_CTRL 2 #define KVM_ARM_VCPU_PVTIME_IPA 0 /* KVM_IRQ_LINE irq field index values */ #define KVM_ARM_IRQ_VCPU2_SHIFT 28 #define KVM_ARM_IRQ_VCPU2_MASK 0xf #define KVM_ARM_IRQ_TYPE_SHIFT 24 #define KVM_ARM_IRQ_TYPE_MASK 0xf #define KVM_ARM_IRQ_VCPU_SHIFT 16 #define KVM_ARM_IRQ_VCPU_MASK 0xff #define KVM_ARM_IRQ_NUM_SHIFT 0 #define KVM_ARM_IRQ_NUM_MASK 0xffff /* irq_type field */ #define KVM_ARM_IRQ_TYPE_CPU 0 #define KVM_ARM_IRQ_TYPE_SPI 1 #define KVM_ARM_IRQ_TYPE_PPI 2 /* out-of-kernel GIC cpu interrupt injection irq_number field */ #define KVM_ARM_IRQ_CPU_IRQ 0 #define KVM_ARM_IRQ_CPU_FIQ 1 /* * This used to hold the highest supported SPI, but it is now obsolete * and only here to provide source code level compatibility with older * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. */ #ifndef __KERNEL__ #define KVM_ARM_IRQ_GIC_MAX 127 #endif /* One single KVM irqchip, ie. the VGIC */ #define KVM_NR_IRQCHIPS 1 /* PSCI interface */ #define KVM_PSCI_FN_BASE 0x95c1ba5e #define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) #define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) #define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) #define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) #define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) #define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS #define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED #define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS #define KVM_PSCI_RET_DENIED PSCI_RET_DENIED /* arm64-specific kvm_run::system_event flags */ /* * Reset caused by a PSCI v1.1 SYSTEM_RESET2 call. * Valid only when the system event has a type of KVM_SYSTEM_EVENT_RESET. */ #define KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2 (1ULL << 0) /* run->fail_entry.hardware_entry_failure_reason codes. */ #define KVM_EXIT_FAIL_ENTRY_CPU_UNSUPPORTED (1ULL << 0) enum kvm_smccc_filter_action { KVM_SMCCC_FILTER_HANDLE = 0, KVM_SMCCC_FILTER_DENY, KVM_SMCCC_FILTER_FWD_TO_USER, #ifdef __KERNEL__ NR_SMCCC_FILTER_ACTIONS #endif }; struct kvm_smccc_filter { __u32 base; __u32 nr_functions; __u8 action; __u8 pad[15]; }; /* arm64-specific KVM_EXIT_HYPERCALL flags */ #define KVM_HYPERCALL_EXIT_SMC (1U << 0) #define KVM_HYPERCALL_EXIT_16BIT (1U << 1) /* * Get feature ID registers userspace writable mask. * * From DDI0487J.a, D19.2.66 ("ID_AA64MMFR2_EL1, AArch64 Memory Model * Feature Register 2"): * * "The Feature ID space is defined as the System register space in * AArch64 with op0==3, op1=={0, 1, 3}, CRn==0, CRm=={0-7}, * op2=={0-7}." * * This covers all currently known R/O registers that indicate * anything useful feature wise, including the ID registers. * * If we ever need to introduce a new range, it will be described as * such in the range field. */ #define KVM_ARM_FEATURE_ID_RANGE_IDX(op0, op1, crn, crm, op2) \ ({ \ __u64 __op1 = (op1) & 3; \ __op1 -= (__op1 == 3); \ (__op1 << 6 | ((crm) & 7) << 3 | (op2)); \ }) #define KVM_ARM_FEATURE_ID_RANGE 0 #define KVM_ARM_FEATURE_ID_RANGE_SIZE (3 * 8 * 8) struct reg_mask_range { __u64 addr; /* Pointer to mask array */ __u32 range; /* Requested range */ __u32 reserved[13]; }; #endif #endif /* __ARM_KVM_H__ */
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