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author | Marc Zyngier <maz@kernel.org> | 2020-03-24 20:43:53 +0300 |
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committer | Marc Zyngier <maz@kernel.org> | 2020-03-24 20:43:53 +0300 |
commit | 463050599742a89e0508355e626e032e8d0dab8d (patch) | |
tree | d45aa349959a04168ab4ef343ae79a376cf0d1b8 /arch/arm/include/asm/kvm_emulate.h | |
parent | cc98702c1775a9ff3d943674c97d9561cf605fcd (diff) | |
parent | 544e56aa63777f26978bf94286d22c60163e63e4 (diff) | |
download | linux-463050599742a89e0508355e626e032e8d0dab8d.tar.xz |
Merge tag 'kvm-arm-removal' into kvmarm-master/next
Goodbye KVM/arm
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/kvm_emulate.h')
-rw-r--r-- | arch/arm/include/asm/kvm_emulate.h | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h deleted file mode 100644 index 3944305e81df..000000000000 --- a/arch/arm/include/asm/kvm_emulate.h +++ /dev/null @@ -1,372 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2012 - Virtual Open Systems and Columbia University - * Author: Christoffer Dall <c.dall@virtualopensystems.com> - */ - -#ifndef __ARM_KVM_EMULATE_H__ -#define __ARM_KVM_EMULATE_H__ - -#include <linux/kvm_host.h> -#include <asm/kvm_asm.h> -#include <asm/kvm_arm.h> -#include <asm/cputype.h> - -/* arm64 compatibility macros */ -#define PSR_AA32_MODE_FIQ FIQ_MODE -#define PSR_AA32_MODE_SVC SVC_MODE -#define PSR_AA32_MODE_ABT ABT_MODE -#define PSR_AA32_MODE_UND UND_MODE -#define PSR_AA32_T_BIT PSR_T_BIT -#define PSR_AA32_F_BIT PSR_F_BIT -#define PSR_AA32_I_BIT PSR_I_BIT -#define PSR_AA32_A_BIT PSR_A_BIT -#define PSR_AA32_E_BIT PSR_E_BIT -#define PSR_AA32_IT_MASK PSR_IT_MASK -#define PSR_AA32_GE_MASK 0x000f0000 -#define PSR_AA32_DIT_BIT 0x00200000 -#define PSR_AA32_PAN_BIT 0x00400000 -#define PSR_AA32_SSBS_BIT 0x00800000 -#define PSR_AA32_Q_BIT PSR_Q_BIT -#define PSR_AA32_V_BIT PSR_V_BIT -#define PSR_AA32_C_BIT PSR_C_BIT -#define PSR_AA32_Z_BIT PSR_Z_BIT -#define PSR_AA32_N_BIT PSR_N_BIT - -unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num); - -static inline unsigned long *vcpu_reg32(struct kvm_vcpu *vcpu, u8 reg_num) -{ - return vcpu_reg(vcpu, reg_num); -} - -unsigned long *__vcpu_spsr(struct kvm_vcpu *vcpu); - -static inline unsigned long vpcu_read_spsr(struct kvm_vcpu *vcpu) -{ - return *__vcpu_spsr(vcpu); -} - -static inline void vcpu_write_spsr(struct kvm_vcpu *vcpu, unsigned long v) -{ - *__vcpu_spsr(vcpu) = v; -} - -static inline unsigned long host_spsr_to_spsr32(unsigned long spsr) -{ - return spsr; -} - -static inline unsigned long vcpu_get_reg(struct kvm_vcpu *vcpu, - u8 reg_num) -{ - return *vcpu_reg(vcpu, reg_num); -} - -static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num, - unsigned long val) -{ - *vcpu_reg(vcpu, reg_num) = val; -} - -bool kvm_condition_valid32(const struct kvm_vcpu *vcpu); -void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr); -void kvm_inject_undef32(struct kvm_vcpu *vcpu); -void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr); -void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr); -void kvm_inject_vabt(struct kvm_vcpu *vcpu); - -static inline void kvm_inject_undefined(struct kvm_vcpu *vcpu) -{ - kvm_inject_undef32(vcpu); -} - -static inline void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr) -{ - kvm_inject_dabt32(vcpu, addr); -} - -static inline void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr) -{ - kvm_inject_pabt32(vcpu, addr); -} - -static inline bool kvm_condition_valid(const struct kvm_vcpu *vcpu) -{ - return kvm_condition_valid32(vcpu); -} - -static inline void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr) -{ - kvm_skip_instr32(vcpu, is_wide_instr); -} - -static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu) -{ - vcpu->arch.hcr = HCR_GUEST_MASK; -} - -static inline unsigned long *vcpu_hcr(const struct kvm_vcpu *vcpu) -{ - return (unsigned long *)&vcpu->arch.hcr; -} - -static inline void vcpu_clear_wfx_traps(struct kvm_vcpu *vcpu) -{ - vcpu->arch.hcr &= ~HCR_TWE; -} - -static inline void vcpu_set_wfx_traps(struct kvm_vcpu *vcpu) -{ - vcpu->arch.hcr |= HCR_TWE; -} - -static inline bool vcpu_mode_is_32bit(const struct kvm_vcpu *vcpu) -{ - return true; -} - -static inline unsigned long *vcpu_pc(struct kvm_vcpu *vcpu) -{ - return &vcpu->arch.ctxt.gp_regs.usr_regs.ARM_pc; -} - -static inline unsigned long *vcpu_cpsr(const struct kvm_vcpu *vcpu) -{ - return (unsigned long *)&vcpu->arch.ctxt.gp_regs.usr_regs.ARM_cpsr; -} - -static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu) -{ - *vcpu_cpsr(vcpu) |= PSR_T_BIT; -} - -static inline bool mode_has_spsr(struct kvm_vcpu *vcpu) -{ - unsigned long cpsr_mode = vcpu->arch.ctxt.gp_regs.usr_regs.ARM_cpsr & MODE_MASK; - return (cpsr_mode > USR_MODE && cpsr_mode < SYSTEM_MODE); -} - -static inline bool vcpu_mode_priv(struct kvm_vcpu *vcpu) -{ - unsigned long cpsr_mode = vcpu->arch.ctxt.gp_regs.usr_regs.ARM_cpsr & MODE_MASK; - return cpsr_mode > USR_MODE; -} - -static inline u32 kvm_vcpu_get_hsr(const struct kvm_vcpu *vcpu) -{ - return vcpu->arch.fault.hsr; -} - -static inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu) -{ - u32 hsr = kvm_vcpu_get_hsr(vcpu); - - if (hsr & HSR_CV) - return (hsr & HSR_COND) >> HSR_COND_SHIFT; - - return -1; -} - -static inline unsigned long kvm_vcpu_get_hfar(struct kvm_vcpu *vcpu) -{ - return vcpu->arch.fault.hxfar; -} - -static inline phys_addr_t kvm_vcpu_get_fault_ipa(struct kvm_vcpu *vcpu) -{ - return ((phys_addr_t)vcpu->arch.fault.hpfar & HPFAR_MASK) << 8; -} - -static inline bool kvm_vcpu_dabt_isvalid(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_ISV; -} - -static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & (HSR_CM | HSR_WNR | HSR_FSC); -} - -static inline bool kvm_vcpu_dabt_iswrite(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_WNR; -} - -static inline bool kvm_vcpu_dabt_issext(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_SSE; -} - -static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu) -{ - return false; -} - -static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu) -{ - return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT; -} - -static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_S1PTW; -} - -static inline bool kvm_vcpu_dabt_is_cm(struct kvm_vcpu *vcpu) -{ - return !!(kvm_vcpu_get_hsr(vcpu) & HSR_DABT_CM); -} - -/* Get Access Size from a data abort */ -static inline unsigned int kvm_vcpu_dabt_get_as(struct kvm_vcpu *vcpu) -{ - switch ((kvm_vcpu_get_hsr(vcpu) >> 22) & 0x3) { - case 0: - return 1; - case 1: - return 2; - case 2: - return 4; - default: - kvm_err("Hardware is weird: SAS 0b11 is reserved\n"); - return 4; - } -} - -/* This one is not specific to Data Abort */ -static inline bool kvm_vcpu_trap_il_is32bit(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_IL; -} - -static inline u8 kvm_vcpu_trap_get_class(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) >> HSR_EC_SHIFT; -} - -static inline bool kvm_vcpu_trap_is_iabt(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_trap_get_class(vcpu) == HSR_EC_IABT; -} - -static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_FSC; -} - -static inline u8 kvm_vcpu_trap_get_fault_type(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_FSC_TYPE; -} - -static inline bool kvm_vcpu_dabt_isextabt(struct kvm_vcpu *vcpu) -{ - switch (kvm_vcpu_trap_get_fault(vcpu)) { - case FSC_SEA: - case FSC_SEA_TTW0: - case FSC_SEA_TTW1: - case FSC_SEA_TTW2: - case FSC_SEA_TTW3: - case FSC_SECC: - case FSC_SECC_TTW0: - case FSC_SECC_TTW1: - case FSC_SECC_TTW2: - case FSC_SECC_TTW3: - return true; - default: - return false; - } -} - -static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu) -{ - if (kvm_vcpu_trap_is_iabt(vcpu)) - return false; - - return kvm_vcpu_dabt_iswrite(vcpu); -} - -static inline u32 kvm_vcpu_hvc_get_imm(struct kvm_vcpu *vcpu) -{ - return kvm_vcpu_get_hsr(vcpu) & HSR_HVC_IMM_MASK; -} - -static inline unsigned long kvm_vcpu_get_mpidr_aff(struct kvm_vcpu *vcpu) -{ - return vcpu_cp15(vcpu, c0_MPIDR) & MPIDR_HWID_BITMASK; -} - -static inline bool kvm_arm_get_vcpu_workaround_2_flag(struct kvm_vcpu *vcpu) -{ - return false; -} - -static inline void kvm_arm_set_vcpu_workaround_2_flag(struct kvm_vcpu *vcpu, - bool flag) -{ -} - -static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu) -{ - *vcpu_cpsr(vcpu) |= PSR_E_BIT; -} - -static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu) -{ - return !!(*vcpu_cpsr(vcpu) & PSR_E_BIT); -} - -static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu, - unsigned long data, - unsigned int len) -{ - if (kvm_vcpu_is_be(vcpu)) { - switch (len) { - case 1: - return data & 0xff; - case 2: - return be16_to_cpu(data & 0xffff); - default: - return be32_to_cpu(data); - } - } else { - switch (len) { - case 1: - return data & 0xff; - case 2: - return le16_to_cpu(data & 0xffff); - default: - return le32_to_cpu(data); - } - } -} - -static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu, - unsigned long data, - unsigned int len) -{ - if (kvm_vcpu_is_be(vcpu)) { - switch (len) { - case 1: - return data & 0xff; - case 2: - return cpu_to_be16(data & 0xffff); - default: - return cpu_to_be32(data); - } - } else { - switch (len) { - case 1: - return data & 0xff; - case 2: - return cpu_to_le16(data & 0xffff); - default: - return cpu_to_le32(data); - } - } -} - -static inline void vcpu_ptrauth_setup_lazy(struct kvm_vcpu *vcpu) {} - -#endif /* __ARM_KVM_EMULATE_H__ */ |