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()
187 static inline bool vcpu_el2_e2h_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_e2h_is_set()  argument
190 		(__vcpu_sys_reg(vcpu, HCR_EL2) & HCR_E2H));  in vcpu_el2_e2h_is_set()
193 static inline bool vcpu_el2_tge_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_tge_is_set()  argument
195 	return ctxt_sys_reg(&vcpu->arch.ctxt, HCR_EL2) & HCR_TGE;  in vcpu_el2_tge_is_set()
198 static inline bool is_hyp_ctxt(const struct kvm_vcpu *vcpu)  in is_hyp_ctxt()  argument
203 	if (!vcpu_has_nv(vcpu))  in is_hyp_ctxt()
206 	hcr = __vcpu_sys_reg(vcpu, HCR_EL2);  in is_hyp_ctxt()
212 	 * We are in a hypervisor context if the vcpu mode is EL2 or  in is_hyp_ctxt()
219 	return vcpu_is_el2(vcpu) || (e2h && tge) || tge;  in is_hyp_ctxt()
222 static inline bool vcpu_is_host_el0(const struct kvm_vcpu *vcpu)  in vcpu_is_host_el0()  argument
224 	return is_hyp_ctxt(vcpu) && !vcpu_is_el2(vcpu);  in vcpu_is_host_el0()
259 static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu)  in vcpu_mode_priv()  argument
263 	if (vcpu_mode_is_32bit(vcpu)) {  in vcpu_mode_priv()
264 		mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;  in vcpu_mode_priv()
268 	mode = *vcpu_cpsr(vcpu) & PSR_MODE_MASK;  in vcpu_mode_priv()
273 static __always_inline u64 kvm_vcpu_get_esr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_esr()  argument
275 	return vcpu->arch.fault.esr_el2;  in kvm_vcpu_get_esr()
278 static __always_inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_condition()  argument
280 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_get_condition()
288 static __always_inline unsigned long kvm_vcpu_get_hfar(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_hfar()  argument
290 	return vcpu->arch.fault.far_el2;  in kvm_vcpu_get_hfar()
293 static __always_inline phys_addr_t kvm_vcpu_get_fault_ipa(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_fault_ipa()  argument
295 	return ((phys_addr_t)vcpu->arch.fault.hpfar_el2 & HPFAR_MASK) << 8;  in kvm_vcpu_get_fault_ipa()
298 static inline u64 kvm_vcpu_get_disr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_disr()  argument
300 	return vcpu->arch.fault.disr_el1;  in kvm_vcpu_get_disr()
303 static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_hvc_get_imm()  argument
305 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_xVC_IMM_MASK;  in kvm_vcpu_hvc_get_imm()
308 static __always_inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_isvalid()  argument
310 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_ISV);  in kvm_vcpu_dabt_isvalid()
313 static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iss_nisv_sanitized()  argument
315 	return kvm_vcpu_get_esr(vcpu) & (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC);  in kvm_vcpu_dabt_iss_nisv_sanitized()
318 static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issext()  argument
320 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SSE);  in kvm_vcpu_dabt_issext()
323 static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issf()  argument
325 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SF);  in kvm_vcpu_dabt_issf()
328 static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_rd()  argument
330 	return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;  in kvm_vcpu_dabt_get_rd()
333 static __always_inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_iss1tw()  argument
335 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW);  in kvm_vcpu_abt_iss1tw()
339 static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iswrite()  argument
341 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR;  in kvm_vcpu_dabt_iswrite()
344 static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_is_cm()  argument
346 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_CM);  in kvm_vcpu_dabt_is_cm()
349 static __always_inline unsigned int kvm_vcpu_dabt_get_as(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_as()  argument
351 	return 1 << ((kvm_vcpu_get_esr(vcpu) & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT);  in kvm_vcpu_dabt_get_as()
355 static __always_inline bool kvm_vcpu_trap_il_is32bit(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_il_is32bit()  argument
357 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_IL);  in kvm_vcpu_trap_il_is32bit()
360 static __always_inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_class()  argument
362 	return ESR_ELx_EC(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_get_class()
365 static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_iabt()  argument
367 	return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW;  in kvm_vcpu_trap_is_iabt()
370 static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_exec_fault()  argument
372 	return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);  in kvm_vcpu_trap_is_exec_fault()
375 static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_fault()  argument
377 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC;  in kvm_vcpu_trap_get_fault()
381 bool kvm_vcpu_trap_is_permission_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_permission_fault()  argument
383 	return esr_fsc_is_permission_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_permission_fault()
387 bool kvm_vcpu_trap_is_translation_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_translation_fault()  argument
389 	return esr_fsc_is_translation_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_translation_fault()
393 u64 kvm_vcpu_trap_get_perm_fault_granule(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_perm_fault_granule()  argument
395 	unsigned long esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_trap_get_perm_fault_granule()
401 static __always_inline bool kvm_vcpu_abt_issea(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_issea()  argument
403 	switch (kvm_vcpu_trap_get_fault(vcpu)) {  in kvm_vcpu_abt_issea()
414 static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu)  in kvm_vcpu_sys_get_rt()  argument
416 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_sys_get_rt()
420 static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu)  in kvm_is_write_fault()  argument
422 	if (kvm_vcpu_abt_iss1tw(vcpu)) {  in kvm_is_write_fault()
435 		return kvm_vcpu_trap_is_permission_fault(vcpu);  in kvm_is_write_fault()
438 	if (kvm_vcpu_trap_is_iabt(vcpu))  in kvm_is_write_fault()
441 	return kvm_vcpu_dabt_iswrite(vcpu);  in kvm_is_write_fault()
444 static inline unsigned long kvm_vcpu_get_mpidr_aff(struct kvm_vcpu *vcpu)  in kvm_vcpu_get_mpidr_aff()  argument
446 	return __vcpu_sys_reg(vcpu, MPIDR_EL1) & MPIDR_HWID_BITMASK;  in kvm_vcpu_get_mpidr_aff()
449 static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_set_be()  argument
451 	if (vcpu_mode_is_32bit(vcpu)) {  in kvm_vcpu_set_be()
452 		*vcpu_cpsr(vcpu) |= PSR_AA32_E_BIT;  in kvm_vcpu_set_be()
454 		u64 sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);  in kvm_vcpu_set_be()
456 		vcpu_write_sys_reg(vcpu, sctlr, SCTLR_EL1);  in kvm_vcpu_set_be()
460 static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_is_be()  argument
462 	if (vcpu_mode_is_32bit(vcpu))  in kvm_vcpu_is_be()
463 		return !!(*vcpu_cpsr(vcpu) & PSR_AA32_E_BIT);  in kvm_vcpu_is_be()
465 	if (vcpu_mode_priv(vcpu))  in kvm_vcpu_is_be()
466 		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_ELx_EE);  in kvm_vcpu_is_be()
468 		return !!(vcpu_read_sys_reg(vcpu, SCTLR_EL1) & SCTLR_EL1_E0E);  in kvm_vcpu_is_be()
471 static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,  in vcpu_data_guest_to_host()  argument
475 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_guest_to_host()
502 static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,  in vcpu_data_host_to_guest()  argument
506 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_host_to_guest()
533 static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)  in kvm_incr_pc()  argument
535 	WARN_ON(vcpu_get_flag(vcpu, PENDING_EXCEPTION));  in kvm_incr_pc()
536 	vcpu_set_flag(vcpu, INCREMENT_PC);  in kvm_incr_pc()
612 static inline u64 vcpu_sanitised_cptr_el2(const struct kvm_vcpu *vcpu)  in vcpu_sanitised_cptr_el2()  argument
614 	u64 cptr = __vcpu_sys_reg(vcpu, CPTR_EL2);  in vcpu_sanitised_cptr_el2()
616 	if (!vcpu_el2_e2h_is_set(vcpu))  in vcpu_sanitised_cptr_el2()
622 static inline bool ____cptr_xen_trap_enabled(const struct kvm_vcpu *vcpu,  in ____cptr_xen_trap_enabled()  argument
630 		return vcpu_el2_tge_is_set(vcpu) && !vcpu_is_el2(vcpu);  in ____cptr_xen_trap_enabled()
637 #define __guest_hyp_cptr_xen_trap_enabled(vcpu, xen)				\  argument
638 	(!vcpu_has_nv(vcpu) ? false :						\
639 	 ____cptr_xen_trap_enabled(vcpu,					\
641 						 vcpu_sanitised_cptr_el2(vcpu))))
643 static inline bool guest_hyp_fpsimd_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_fpsimd_traps_enabled()  argument
645 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, FPEN);  in guest_hyp_fpsimd_traps_enabled()
648 static inline bool guest_hyp_sve_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_sve_traps_enabled()  argument
650 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, ZEN);  in guest_hyp_sve_traps_enabled()