[RFCv1,1/7] kvm/arm64: Rename kvm_vcpu_get_hsr() to kvm_vcpu_get_esr()

Message ID	20200410085820.758686-2-gshan@redhat.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=tIb0=52=lists.infradead.org=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68D8F207FF From: Gavin Shan <gshan@redhat.com> To: kvmarm@lists.cs.columbia.edu Subject: [PATCH RFCv1 1/7] kvm/arm64: Rename kvm_vcpu_get_hsr() to kvm_vcpu_get_esr() Date: Fri, 10 Apr 2020 18:58:14 +1000 Message-Id: <20200410085820.758686-2-gshan@redhat.com> In-Reply-To: <20200410085820.758686-1-gshan@redhat.com> References: <20200410085820.758686-1-gshan@redhat.com> MIME-Version: 1.0 summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [207.211.31.81 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender Precedence: list Cc: mark.rutland@arm.com, drjones@redhat.com, suzuki.poulose@arm.com, maz@kernel.org, sudeep.holla@arm.com, eric.auger@redhat.com, james.morse@arm.com, shan.gavin@gmail.com, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org
Series	Support Async Page Fault \| expand [RFCv1,0/7] Support Async Page Fault [RFCv1,1/7] kvm/arm64: Rename kvm_vcpu_get_hsr() to kvm_vcpu_get_esr() [RFCv1,2/7] kvm/arm64: Detach ESR operator from vCPU struct [RFCv1,3/7] kvm/arm64: Replace hsr with esr [RFCv1,4/7] kvm/arm64: Export kvm_handle_user_mem_abort() with prefault mode [RFCv1,5/7] kvm/arm64: Allow inject data abort with specified DFSC [RFCv1,6/7] kvm/arm64: Support async page fault [RFCv1,7/7] arm64: Support async page fault

diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index a30b4eec7cb4..bd1a69e7c104 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -265,14 +265,14 @@ static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu) return mode != PSR_MODE_EL0t; } -static __always_inline u32 kvm_vcpu_get_hsr(const struct kvm_vcpu *vcpu) +static __always_inline u32 kvm_vcpu_get_esr(const struct kvm_vcpu *vcpu) { return vcpu->arch.fault.esr_el2; } static __always_inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu) { - u32 esr = kvm_vcpu_get_hsr(vcpu); + u32 esr = kvm_vcpu_get_esr(vcpu); if (esr & ESR_ELx_CV) return (esr & ESR_ELx_COND_MASK) >> ESR_ELx_COND_SHIFT; @@ -297,64 +297,66 @@ static inline u64 kvm_vcpu_get_disr(const struct kvm_vcpu *vcpu) static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu) { - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_xVC_IMM_MASK; + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_xVC_IMM_MASK; } static __always_inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_ISV); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_ISV); } static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu) { - return kvm_vcpu_get_hsr(vcpu) & (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC); + return kvm_vcpu_get_esr(vcpu) & + (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC); } static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SSE); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SSE); } static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SF); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SF); } static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu) { - return (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; + return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT; } static __always_inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_S1PTW); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW); } static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WNR) || + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR) || kvm_vcpu_dabt_iss1tw(vcpu); /* AF/DBM update */ } static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_CM); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_CM); } static __always_inline unsigned int kvm_vcpu_dabt_get_as(const struct kvm_vcpu *vcpu) { - return 1 << ((kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT); + return 1 << ((kvm_vcpu_get_esr(vcpu) & ESR_ELx_SAS) >> + ESR_ELx_SAS_SHIFT); } /* This one is not specific to Data Abort */ static __always_inline bool kvm_vcpu_trap_il_is32bit(const struct kvm_vcpu *vcpu) { - return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_IL); + return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_IL); } static __always_inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu) { - return ESR_ELx_EC(kvm_vcpu_get_hsr(vcpu)); + return ESR_ELx_EC(kvm_vcpu_get_esr(vcpu)); } static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu) @@ -364,12 +366,12 @@ static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu) static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu) { - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC; + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC; } static __always_inline u8 kvm_vcpu_trap_get_fault_type(const struct kvm_vcpu *vcpu) { - return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC_TYPE; + return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC_TYPE; } static __always_inline bool kvm_vcpu_dabt_isextabt(const struct kvm_vcpu *vcpu) @@ -393,7 +395,7 @@ static __always_inline bool kvm_vcpu_dabt_isextabt(const struct kvm_vcpu *vcpu) static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu) { - u32 esr = kvm_vcpu_get_hsr(vcpu); + u32 esr = kvm_vcpu_get_esr(vcpu); return ESR_ELx_SYS64_ISS_RT(esr); } diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index aacfc55de44c..c5b75a4d5eda 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -89,7 +89,7 @@ static int handle_no_fpsimd(struct kvm_vcpu *vcpu, struct kvm_run *run) */ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) { - if (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WFx_ISS_WFE) { + if (kvm_vcpu_get_esr(vcpu) & ESR_ELx_WFx_ISS_WFE) { trace_kvm_wfx_arm64(*vcpu_pc(vcpu), true); vcpu->stat.wfe_exit_stat++; kvm_vcpu_on_spin(vcpu, vcpu_mode_priv(vcpu)); @@ -119,7 +119,7 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run) */ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu, struct kvm_run *run) { - u32 hsr = kvm_vcpu_get_hsr(vcpu); + u32 hsr = kvm_vcpu_get_esr(vcpu); int ret = 0; run->exit_reason = KVM_EXIT_DEBUG; @@ -146,7 +146,7 @@ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu, struct kvm_run *run) static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run) { - u32 hsr = kvm_vcpu_get_hsr(vcpu); + u32 hsr = kvm_vcpu_get_esr(vcpu); kvm_pr_unimpl("Unknown exception class: hsr: %#08x -- %s\n", hsr, esr_get_class_string(hsr)); @@ -226,7 +226,7 @@ static exit_handle_fn arm_exit_handlers[] = { static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu) { - u32 hsr = kvm_vcpu_get_hsr(vcpu); + u32 hsr = kvm_vcpu_get_esr(vcpu); u8 hsr_ec = ESR_ELx_EC(hsr); return arm_exit_handlers[hsr_ec]; @@ -267,7 +267,7 @@ int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, int exception_index) { if (ARM_SERROR_PENDING(exception_index)) { - u8 hsr_ec = ESR_ELx_EC(kvm_vcpu_get_hsr(vcpu)); + u8 hsr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(vcpu)); /* * HVC/SMC already have an adjusted PC, which we need @@ -333,5 +333,5 @@ void handle_exit_early(struct kvm_vcpu *vcpu, struct kvm_run *run, exception_index = ARM_EXCEPTION_CODE(exception_index); if (exception_index == ARM_EXCEPTION_EL1_SERROR) - kvm_handle_guest_serror(vcpu, kvm_vcpu_get_hsr(vcpu)); + kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu)); } diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 8a1e81a400e0..2c3242bcfed2 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -437,7 +437,7 @@ static bool __hyp_text __hyp_handle_fpsimd(struct kvm_vcpu *vcpu) static bool __hyp_text handle_tx2_tvm(struct kvm_vcpu *vcpu) { - u32 sysreg = esr_sys64_to_sysreg(kvm_vcpu_get_hsr(vcpu)); + u32 sysreg = esr_sys64_to_sysreg(kvm_vcpu_get_esr(vcpu)); int rt = kvm_vcpu_sys_get_rt(vcpu); u64 val = vcpu_get_reg(vcpu, rt); diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 51db934702b6..5b61465927b7 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2214,7 +2214,7 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, size_t nr_specific) { struct sys_reg_params params; - u32 hsr = kvm_vcpu_get_hsr(vcpu); + u32 hsr = kvm_vcpu_get_esr(vcpu); int Rt = kvm_vcpu_sys_get_rt(vcpu); int Rt2 = (hsr >> 10) & 0x1f; @@ -2271,7 +2271,7 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu, size_t nr_specific) { struct sys_reg_params params; - u32 hsr = kvm_vcpu_get_hsr(vcpu); + u32 hsr = kvm_vcpu_get_esr(vcpu); int Rt = kvm_vcpu_sys_get_rt(vcpu); params.is_aarch32 = true; @@ -2387,7 +2387,7 @@ static void reset_sys_reg_descs(struct kvm_vcpu *vcpu, int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run) { struct sys_reg_params params; - unsigned long esr = kvm_vcpu_get_hsr(vcpu); + unsigned long esr = kvm_vcpu_get_esr(vcpu); int Rt = kvm_vcpu_sys_get_rt(vcpu); int ret; diff --git a/virt/kvm/arm/hyp/aarch32.c b/virt/kvm/arm/hyp/aarch32.c index d31f267961e7..864b477e660a 100644 --- a/virt/kvm/arm/hyp/aarch32.c +++ b/virt/kvm/arm/hyp/aarch32.c @@ -51,7 +51,7 @@ bool __hyp_text kvm_condition_valid32(const struct kvm_vcpu *vcpu) int cond; /* Top two bits non-zero? Unconditional. */ - if (kvm_vcpu_get_hsr(vcpu) >> 30) + if (kvm_vcpu_get_esr(vcpu) >> 30) return true; /* Is condition field valid? */ diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index ccf1fde9836c..8a7a14ec9120 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -441,7 +441,7 @@ static int __hyp_text __vgic_v3_bpr_min(void) static int __hyp_text __vgic_v3_get_group(struct kvm_vcpu *vcpu) { - u32 esr = kvm_vcpu_get_hsr(vcpu); + u32 esr = kvm_vcpu_get_esr(vcpu); u8 crm = (esr & ESR_ELx_SYS64_ISS_CRM_MASK) >> ESR_ELx_SYS64_ISS_CRM_SHIFT; return crm != 8; @@ -1007,7 +1007,7 @@ int __hyp_text __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu) bool is_read; u32 sysreg; - esr = kvm_vcpu_get_hsr(vcpu); + esr = kvm_vcpu_get_esr(vcpu); if (vcpu_mode_is_32bit(vcpu)) { if (!kvm_condition_valid(vcpu)) { __kvm_skip_instr(vcpu); diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index e3b9ee268823..5da0d0e7519b 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -1922,7 +1922,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) * For RAS the host kernel may handle this abort. * There is no need to pass the error into the guest. */ - if (!kvm_handle_guest_sea(fault_ipa, kvm_vcpu_get_hsr(vcpu))) + if (!kvm_handle_guest_sea(fault_ipa, kvm_vcpu_get_esr(vcpu))) return 1; if (unlikely(!is_iabt)) { @@ -1931,7 +1931,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) } } - trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu), + trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_esr(vcpu), kvm_vcpu_get_hfar(vcpu), fault_ipa); /* Check the stage-2 fault is trans. fault or write fault */ @@ -1940,7 +1940,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run) kvm_err("Unsupported FSC: EC=%#x xFSC=%#lx ESR_EL2=%#lx\n", kvm_vcpu_trap_get_class(vcpu), (unsigned long)kvm_vcpu_trap_get_fault(vcpu), - (unsigned long)kvm_vcpu_get_hsr(vcpu)); + (unsigned long)kvm_vcpu_get_esr(vcpu)); return -EFAULT; }

[RFCv1,1/7] kvm/arm64: Rename kvm_vcpu_get_hsr() to kvm_vcpu_get_esr()

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