44 bool kvm_condition_valid32(const struct kvm_vcpu *vcpu);
45 void kvm_skip_instr32(struct kvm_vcpu *vcpu);
47 void kvm_inject_undefined(struct kvm_vcpu *vcpu);
48 void kvm_inject_vabt(struct kvm_vcpu *vcpu);
49 void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr);
50 void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
51 void kvm_inject_size_fault(struct kvm_vcpu *vcpu);
53 void kvm_vcpu_wfi(struct kvm_vcpu *vcpu);
55 void kvm_emulate_nested_eret(struct kvm_vcpu *vcpu);
56 int kvm_inject_nested_sync(struct kvm_vcpu *vcpu, u64 esr_el2);
57 int kvm_inject_nested_irq(struct kvm_vcpu *vcpu);
59 static inline void kvm_inject_nested_sve_trap(struct kvm_vcpu *vcpu)  in kvm_inject_nested_sve_trap()  argument
64 	kvm_inject_nested_sync(vcpu, esr);  in kvm_inject_nested_sve_trap()
68 static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)  in vcpu_el1_is_32bit()  argument
70 	return !(vcpu->arch.hcr_el2 & HCR_RW);  in vcpu_el1_is_32bit()
73 static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)  in vcpu_el1_is_32bit()  argument
75 	return vcpu_has_feature(vcpu, KVM_ARM_VCPU_EL1_32BIT);  in vcpu_el1_is_32bit()
79 static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)  in vcpu_reset_hcr()  argument
81 	if (!vcpu_has_run_once(vcpu))  in vcpu_reset_hcr()
82 		vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;  in vcpu_reset_hcr()
91 		vcpu->arch.hcr_el2 |= HCR_TVM;  in vcpu_reset_hcr()
94 static inline unsigned long *vcpu_hcr(struct kvm_vcpu *vcpu)  in vcpu_hcr()  argument
96 	return (unsigned long *)&vcpu->arch.hcr_el2;  in vcpu_hcr()
99 static inline void vcpu_clear_wfx_traps(struct kvm_vcpu *vcpu)  in vcpu_clear_wfx_traps()  argument
101 	vcpu->arch.hcr_el2 &= ~HCR_TWE;  in vcpu_clear_wfx_traps()
102 	if (atomic_read(&vcpu->arch.vgic_cpu.vgic_v3.its_vpe.vlpi_count) ||  in vcpu_clear_wfx_traps()
103 	    vcpu->kvm->arch.vgic.nassgireq)  in vcpu_clear_wfx_traps()
104 		vcpu->arch.hcr_el2 &= ~HCR_TWI;  in vcpu_clear_wfx_traps()
106 		vcpu->arch.hcr_el2 |= HCR_TWI;  in vcpu_clear_wfx_traps()
109 static inline void vcpu_set_wfx_traps(struct kvm_vcpu *vcpu)  in vcpu_set_wfx_traps()  argument
111 	vcpu->arch.hcr_el2 |= HCR_TWE;  in vcpu_set_wfx_traps()
112 	vcpu->arch.hcr_el2 |= HCR_TWI;  in vcpu_set_wfx_traps()
115 static inline unsigned long vcpu_get_vsesr(struct kvm_vcpu *vcpu)  in vcpu_get_vsesr()  argument
117 	return vcpu->arch.vsesr_el2;  in vcpu_get_vsesr()
120 static inline void vcpu_set_vsesr(struct kvm_vcpu *vcpu, u64 vsesr)  in vcpu_set_vsesr()  argument
122 	vcpu->arch.vsesr_el2 = vsesr;  in vcpu_set_vsesr()
125 static __always_inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu)  in vcpu_pc()  argument
127 	return (unsigned long *)&vcpu_gp_regs(vcpu)->pc;  in vcpu_pc()
130 static __always_inline unsigned long *vcpu_cpsr(const struct kvm_vcpu *vcpu)  in vcpu_cpsr()  argument
132 	return (unsigned long *)&vcpu_gp_regs(vcpu)->pstate;  in vcpu_cpsr()
135 static __always_inline bool vcpu_mode_is_32bit(const struct kvm_vcpu *vcpu)  in vcpu_mode_is_32bit()  argument
137 	return !!(*vcpu_cpsr(vcpu) & PSR_MODE32_BIT);  in vcpu_mode_is_32bit()
140 static __always_inline bool kvm_condition_valid(const struct kvm_vcpu *vcpu)  in kvm_condition_valid()  argument
142 	if (vcpu_mode_is_32bit(vcpu))  in kvm_condition_valid()
143 		return kvm_condition_valid32(vcpu);  in kvm_condition_valid()
148 static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu)  in vcpu_set_thumb()  argument
150 	*vcpu_cpsr(vcpu) |= PSR_AA32_T_BIT;  in vcpu_set_thumb()
158 static __always_inline unsigned long vcpu_get_reg(const struct kvm_vcpu *vcpu,  in vcpu_get_reg()  argument
161 	return (reg_num == 31) ? 0 : vcpu_gp_regs(vcpu)->regs[reg_num];  in vcpu_get_reg()
164 static __always_inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,  in vcpu_set_reg()  argument
168 		vcpu_gp_regs(vcpu)->regs[reg_num] = val;  in vcpu_set_reg()
182 static inline bool vcpu_is_el2(const struct kvm_vcpu *vcpu)  in vcpu_is_el2()  argument
184 	return vcpu_is_el2_ctxt(&vcpu->arch.ctxt);  in vcpu_is_el2()
193 static inline bool vcpu_el2_e2h_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_e2h_is_set()  argument
195 	return __vcpu_el2_e2h_is_set(&vcpu->arch.ctxt);  in vcpu_el2_e2h_is_set()
203 static inline bool vcpu_el2_tge_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_tge_is_set()  argument
205 	return __vcpu_el2_tge_is_set(&vcpu->arch.ctxt);  in vcpu_el2_tge_is_set()
211 	 * We are in a hypervisor context if the vcpu mode is EL2 or  in __is_hyp_ctxt()
223 static inline bool is_hyp_ctxt(const struct kvm_vcpu *vcpu)  in is_hyp_ctxt()  argument
225 	return vcpu_has_nv(vcpu) && __is_hyp_ctxt(&vcpu->arch.ctxt);  in is_hyp_ctxt()
260 static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu)  in vcpu_mode_priv()  argument
264 	if (vcpu_mode_is_32bit(vcpu)) {  in vcpu_mode_priv()
265 		mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;  in vcpu_mode_priv()
269 	mode = *vcpu_cpsr(vcpu) & PSR_MODE_MASK;  in vcpu_mode_priv()
274 static __always_inline u64 kvm_vcpu_get_esr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_esr()  argument
276 	return vcpu->arch.fault.esr_el2;  in kvm_vcpu_get_esr()
279 static __always_inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_condition()  argument
281 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_get_condition()
289 static __always_inline unsigned long kvm_vcpu_get_hfar(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_hfar()  argument
291 	return vcpu->arch.fault.far_el2;  in kvm_vcpu_get_hfar()
294 static __always_inline phys_addr_t kvm_vcpu_get_fault_ipa(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_fault_ipa()  argument
296 	return ((phys_addr_t)vcpu->arch.fault.hpfar_el2 & HPFAR_MASK) << 8;  in kvm_vcpu_get_fault_ipa()
299 static inline u64 kvm_vcpu_get_disr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_disr()  argument
301 	return vcpu->arch.fault.disr_el1;  in kvm_vcpu_get_disr()
304 static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_hvc_get_imm()  argument
306 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_xVC_IMM_MASK;  in kvm_vcpu_hvc_get_imm()
309 static __always_inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_isvalid()  argument
311 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_ISV);  in kvm_vcpu_dabt_isvalid()
314 static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iss_nisv_sanitized()  argument
316 	return kvm_vcpu_get_esr(vcpu) & (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC);  in kvm_vcpu_dabt_iss_nisv_sanitized()
319 static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issext()  argument
321 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SSE);  in kvm_vcpu_dabt_issext()
324 static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issf()  argument
326 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SF);  in kvm_vcpu_dabt_issf()
329 static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_rd()  argument
331 	return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;  in kvm_vcpu_dabt_get_rd()
334 static __always_inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_iss1tw()  argument
336 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW);  in kvm_vcpu_abt_iss1tw()
340 static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iswrite()  argument
342 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR;  in kvm_vcpu_dabt_iswrite()
345 static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_is_cm()  argument
347 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_CM);  in kvm_vcpu_dabt_is_cm()
350 static __always_inline unsigned int kvm_vcpu_dabt_get_as(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_as()  argument
352 	return 1 << ((kvm_vcpu_get_esr(vcpu) & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT);  in kvm_vcpu_dabt_get_as()
356 static __always_inline bool kvm_vcpu_trap_il_is32bit(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_il_is32bit()  argument
358 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_IL);  in kvm_vcpu_trap_il_is32bit()
361 static __always_inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_class()  argument
363 	return ESR_ELx_EC(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_get_class()
366 static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_iabt()  argument
368 	return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW;  in kvm_vcpu_trap_is_iabt()
371 static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_exec_fault()  argument
373 	return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);  in kvm_vcpu_trap_is_exec_fault()
376 static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_fault()  argument
378 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC;  in kvm_vcpu_trap_get_fault()
382 bool kvm_vcpu_trap_is_permission_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_permission_fault()  argument
384 	return esr_fsc_is_permission_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_permission_fault()
388 bool kvm_vcpu_trap_is_translation_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_translation_fault()  argument
390 	return esr_fsc_is_translation_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_translation_fault()
394 u64 kvm_vcpu_trap_get_perm_fault_granule(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_perm_fault_granule()  argument
396 	unsigned long esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_trap_get_perm_fault_granule()
402 static __always_inline bool kvm_vcpu_abt_issea(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_issea()  argument
404 	switch (kvm_vcpu_trap_get_fault(vcpu)) {  in kvm_vcpu_abt_issea()
415 static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu)  in kvm_vcpu_sys_get_rt()  argument
417 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_sys_get_rt()
421 static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu)  in kvm_is_write_fault()  argument
423 	if (kvm_vcpu_abt_iss1tw(vcpu)) {  in kvm_is_write_fault()
436 		return kvm_vcpu_trap_is_permission_fault(vcpu);  in kvm_is_write_fault()
439 	if (kvm_vcpu_trap_is_iabt(vcpu))  in kvm_is_write_fault()
442 	return kvm_vcpu_dabt_iswrite(vcpu);  in kvm_is_write_fault()
445 static inline unsigned long kvm_vcpu_get_mpidr_aff(struct kvm_vcpu *vcpu)  in kvm_vcpu_get_mpidr_aff()  argument
447 	return __vcpu_sys_reg(vcpu, MPIDR_EL1) & MPIDR_HWID_BITMASK;  in kvm_vcpu_get_mpidr_aff()
450 static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_set_be()  argument
452 	if (vcpu_mode_is_32bit(vcpu)) {  in kvm_vcpu_set_be()
453 		*vcpu_cpsr(vcpu) |= PSR_AA32_E_BIT;  in kvm_vcpu_set_be()
455 		u64 sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);  in kvm_vcpu_set_be()
457 		vcpu_write_sys_reg(vcpu, sctlr, SCTLR_EL1);  in kvm_vcpu_set_be()
461 static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_is_be()  argument
463 	if (vcpu_mode_is_32bit(vcpu))  in kvm_vcpu_is_be()
464 		return !!(*vcpu_cpsr(vcpu) & PSR_AA32_E_BIT);  in kvm_vcpu_is_be()
466 	if (vcpu_mode_priv(vcpu))  in kvm_vcpu_is_be()
467 		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_ELx_EE);  in kvm_vcpu_is_be()
469 		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_EL1_E0E);  in kvm_vcpu_is_be()
472 static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,  in vcpu_data_guest_to_host()  argument
476 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_guest_to_host()
503 static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,  in vcpu_data_host_to_guest()  argument
507 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_host_to_guest()
534 static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)  in kvm_incr_pc()  argument
536 	WARN_ON(vcpu_get_flag(vcpu, PENDING_EXCEPTION));  in kvm_incr_pc()
537 	vcpu_set_flag(vcpu, INCREMENT_PC);  in kvm_incr_pc()
617 static __always_inline u64 kvm_get_reset_cptr_el2(struct kvm_vcpu *vcpu)  in kvm_get_reset_cptr_el2()  argument
628 		if (!vcpu_has_sve(vcpu) || !guest_owns_fp_regs())  in kvm_get_reset_cptr_el2()
635 		if (vcpu_has_sve(vcpu) && guest_owns_fp_regs())  in kvm_get_reset_cptr_el2()
644 static __always_inline void kvm_reset_cptr_el2(struct kvm_vcpu *vcpu)  in kvm_reset_cptr_el2()  argument
646 	u64 val = kvm_get_reset_cptr_el2(vcpu);  in kvm_reset_cptr_el2()
655 static inline u64 vcpu_sanitised_cptr_el2(const struct kvm_vcpu *vcpu)  in vcpu_sanitised_cptr_el2()  argument
657 	u64 cptr = __vcpu_sys_reg(vcpu, CPTR_EL2);  in vcpu_sanitised_cptr_el2()
659 	if (!vcpu_el2_e2h_is_set(vcpu))  in vcpu_sanitised_cptr_el2()
665 static inline bool ____cptr_xen_trap_enabled(const struct kvm_vcpu *vcpu,  in ____cptr_xen_trap_enabled()  argument
673 		return vcpu_el2_tge_is_set(vcpu) && !vcpu_is_el2(vcpu);  in ____cptr_xen_trap_enabled()
680 #define __guest_hyp_cptr_xen_trap_enabled(vcpu, xen)				\  argument
681 	(!vcpu_has_nv(vcpu) ? false :						\
682 	 ____cptr_xen_trap_enabled(vcpu,					\
684 						 vcpu_sanitised_cptr_el2(vcpu))))
686 static inline bool guest_hyp_fpsimd_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_fpsimd_traps_enabled()  argument
688 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, FPEN);  in guest_hyp_fpsimd_traps_enabled()
691 static inline bool guest_hyp_sve_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_sve_traps_enabled()  argument
693 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, ZEN);  in guest_hyp_sve_traps_enabled()