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_sync(struct kvm_vcpu *vcpu, u64 esr);
49 int kvm_inject_serror_esr(struct kvm_vcpu *vcpu, u64 esr);
50 int kvm_inject_sea(struct kvm_vcpu *vcpu, bool iabt, u64 addr);
51 int kvm_inject_dabt_excl_atomic(struct kvm_vcpu *vcpu, u64 addr);
52 void kvm_inject_size_fault(struct kvm_vcpu *vcpu);
54 static inline int kvm_inject_sea_dabt(struct kvm_vcpu *vcpu, u64 addr)  in kvm_inject_sea_dabt()  argument
56 	return kvm_inject_sea(vcpu, false, addr);  in kvm_inject_sea_dabt()
59 static inline int kvm_inject_sea_iabt(struct kvm_vcpu *vcpu, u64 addr)  in kvm_inject_sea_iabt()  argument
61 	return kvm_inject_sea(vcpu, true, addr);  in kvm_inject_sea_iabt()
64 static inline int kvm_inject_serror(struct kvm_vcpu *vcpu)  in kvm_inject_serror()  argument
73 	return kvm_inject_serror_esr(vcpu, ESR_ELx_ISV);  in kvm_inject_serror()
76 void kvm_vcpu_wfi(struct kvm_vcpu *vcpu);
78 void kvm_emulate_nested_eret(struct kvm_vcpu *vcpu);
79 int kvm_inject_nested_sync(struct kvm_vcpu *vcpu, u64 esr_el2);
80 int kvm_inject_nested_irq(struct kvm_vcpu *vcpu);
81 int kvm_inject_nested_sea(struct kvm_vcpu *vcpu, bool iabt, u64 addr);
82 int kvm_inject_nested_serror(struct kvm_vcpu *vcpu, u64 esr);
84 static inline void kvm_inject_nested_sve_trap(struct kvm_vcpu *vcpu)  in kvm_inject_nested_sve_trap()  argument
89 	kvm_inject_nested_sync(vcpu, esr);  in kvm_inject_nested_sve_trap()
93 static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)  in vcpu_el1_is_32bit()  argument
95 	return !(vcpu->arch.hcr_el2 & HCR_RW);  in vcpu_el1_is_32bit()
98 static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)  in vcpu_el1_is_32bit()  argument
100 	return vcpu_has_feature(vcpu, KVM_ARM_VCPU_EL1_32BIT);  in vcpu_el1_is_32bit()
104 static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)  in vcpu_reset_hcr()  argument
106 	if (!vcpu_has_run_once(vcpu))  in vcpu_reset_hcr()
107 		vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;  in vcpu_reset_hcr()
116 		vcpu->arch.hcr_el2 |= HCR_TVM;  in vcpu_reset_hcr()
119 static inline unsigned long *vcpu_hcr(struct kvm_vcpu *vcpu)  in vcpu_hcr()  argument
121 	return (unsigned long *)&vcpu->arch.hcr_el2;  in vcpu_hcr()
124 static inline unsigned long vcpu_get_vsesr(struct kvm_vcpu *vcpu)  in vcpu_get_vsesr()  argument
126 	return vcpu->arch.vsesr_el2;  in vcpu_get_vsesr()
129 static inline void vcpu_set_vsesr(struct kvm_vcpu *vcpu, u64 vsesr)  in vcpu_set_vsesr()  argument
131 	vcpu->arch.vsesr_el2 = vsesr;  in vcpu_set_vsesr()
134 static __always_inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu)  in vcpu_pc()  argument
136 	return (unsigned long *)&vcpu_gp_regs(vcpu)->pc;  in vcpu_pc()
139 static __always_inline unsigned long *vcpu_cpsr(const struct kvm_vcpu *vcpu)  in vcpu_cpsr()  argument
141 	return (unsigned long *)&vcpu_gp_regs(vcpu)->pstate;  in vcpu_cpsr()
144 static __always_inline bool vcpu_mode_is_32bit(const struct kvm_vcpu *vcpu)  in vcpu_mode_is_32bit()  argument
146 	return !!(*vcpu_cpsr(vcpu) & PSR_MODE32_BIT);  in vcpu_mode_is_32bit()
149 static __always_inline bool kvm_condition_valid(const struct kvm_vcpu *vcpu)  in kvm_condition_valid()  argument
151 	if (vcpu_mode_is_32bit(vcpu))  in kvm_condition_valid()
152 		return kvm_condition_valid32(vcpu);  in kvm_condition_valid()
157 static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu)  in vcpu_set_thumb()  argument
159 	*vcpu_cpsr(vcpu) |= PSR_AA32_T_BIT;  in vcpu_set_thumb()
167 static __always_inline unsigned long vcpu_get_reg(const struct kvm_vcpu *vcpu,  in vcpu_get_reg()  argument
170 	return (reg_num == 31) ? 0 : vcpu_gp_regs(vcpu)->regs[reg_num];  in vcpu_get_reg()
173 static __always_inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,  in vcpu_set_reg()  argument
177 		vcpu_gp_regs(vcpu)->regs[reg_num] = val;  in vcpu_set_reg()
191 static inline bool vcpu_is_el2(const struct kvm_vcpu *vcpu)  in vcpu_is_el2()  argument
193 	return vcpu_is_el2_ctxt(&vcpu->arch.ctxt);  in vcpu_is_el2()
196 static inline bool vcpu_el2_e2h_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_e2h_is_set()  argument
199 		(__vcpu_sys_reg(vcpu, HCR_EL2) & HCR_E2H));  in vcpu_el2_e2h_is_set()
202 static inline bool vcpu_el2_tge_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_tge_is_set()  argument
204 	return ctxt_sys_reg(&vcpu->arch.ctxt, HCR_EL2) & HCR_TGE;  in vcpu_el2_tge_is_set()
207 static inline bool vcpu_el2_amo_is_set(const struct kvm_vcpu *vcpu)  in vcpu_el2_amo_is_set()  argument
220 	if (vcpu_is_el2(vcpu) && vcpu_el2_e2h_is_set(vcpu) && !vcpu_el2_tge_is_set(vcpu))  in vcpu_el2_amo_is_set()
223 	return ctxt_sys_reg(&vcpu->arch.ctxt, HCR_EL2) & HCR_AMO;  in vcpu_el2_amo_is_set()
226 static inline bool is_hyp_ctxt(const struct kvm_vcpu *vcpu)  in is_hyp_ctxt()  argument
231 	if (!vcpu_has_nv(vcpu))  in is_hyp_ctxt()
234 	hcr = __vcpu_sys_reg(vcpu, HCR_EL2);  in is_hyp_ctxt()
240 	 * We are in a hypervisor context if the vcpu mode is EL2 or  in is_hyp_ctxt()
247 	return vcpu_is_el2(vcpu) || (e2h && tge) || tge;  in is_hyp_ctxt()
250 static inline bool vcpu_is_host_el0(const struct kvm_vcpu *vcpu)  in vcpu_is_host_el0()  argument
252 	return is_hyp_ctxt(vcpu) && !vcpu_is_el2(vcpu);  in vcpu_is_host_el0()
255 static inline bool is_nested_ctxt(struct kvm_vcpu *vcpu)  in is_nested_ctxt()  argument
257 	return vcpu_has_nv(vcpu) && !is_hyp_ctxt(vcpu);  in is_nested_ctxt()
260 static inline bool vserror_state_is_nested(struct kvm_vcpu *vcpu)  in vserror_state_is_nested()  argument
262 	if (!is_nested_ctxt(vcpu))  in vserror_state_is_nested()
265 	return vcpu_el2_amo_is_set(vcpu) ||  in vserror_state_is_nested()
266 	       (__vcpu_sys_reg(vcpu, HCRX_EL2) & HCRX_EL2_TMEA);  in vserror_state_is_nested()
301 static inline bool vcpu_mode_priv(const struct kvm_vcpu *vcpu)  in vcpu_mode_priv()  argument
305 	if (vcpu_mode_is_32bit(vcpu)) {  in vcpu_mode_priv()
306 		mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;  in vcpu_mode_priv()
310 	mode = *vcpu_cpsr(vcpu) & PSR_MODE_MASK;  in vcpu_mode_priv()
315 static __always_inline u64 kvm_vcpu_get_esr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_esr()  argument
317 	return vcpu->arch.fault.esr_el2;  in kvm_vcpu_get_esr()
320 static inline bool guest_hyp_wfx_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_wfx_traps_enabled()  argument
322 	u64 esr = kvm_vcpu_get_esr(vcpu);  in guest_hyp_wfx_traps_enabled()
324 	u64 hcr_el2 = __vcpu_sys_reg(vcpu, HCR_EL2);  in guest_hyp_wfx_traps_enabled()
326 	if (!vcpu_has_nv(vcpu) || vcpu_is_el2(vcpu))  in guest_hyp_wfx_traps_enabled()
333 static __always_inline int kvm_vcpu_get_condition(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_condition()  argument
335 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_get_condition()
343 static __always_inline unsigned long kvm_vcpu_get_hfar(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_hfar()  argument
345 	return vcpu->arch.fault.far_el2;  in kvm_vcpu_get_hfar()
348 static __always_inline phys_addr_t kvm_vcpu_get_fault_ipa(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_fault_ipa()  argument
350 	u64 hpfar = vcpu->arch.fault.hpfar_el2;  in kvm_vcpu_get_fault_ipa()
358 static inline u64 kvm_vcpu_get_disr(const struct kvm_vcpu *vcpu)  in kvm_vcpu_get_disr()  argument
360 	return vcpu->arch.fault.disr_el1;  in kvm_vcpu_get_disr()
363 static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_hvc_get_imm()  argument
365 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_xVC_IMM_MASK;  in kvm_vcpu_hvc_get_imm()
368 static __always_inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_isvalid()  argument
370 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_ISV);  in kvm_vcpu_dabt_isvalid()
373 static inline unsigned long kvm_vcpu_dabt_iss_nisv_sanitized(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iss_nisv_sanitized()  argument
375 	return kvm_vcpu_get_esr(vcpu) & (ESR_ELx_CM | ESR_ELx_WNR | ESR_ELx_FSC);  in kvm_vcpu_dabt_iss_nisv_sanitized()
378 static inline bool kvm_vcpu_dabt_issext(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issext()  argument
380 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SSE);  in kvm_vcpu_dabt_issext()
383 static inline bool kvm_vcpu_dabt_issf(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_issf()  argument
385 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_SF);  in kvm_vcpu_dabt_issf()
388 static __always_inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_rd()  argument
390 	return (kvm_vcpu_get_esr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;  in kvm_vcpu_dabt_get_rd()
393 static __always_inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_iss1tw()  argument
395 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_S1PTW);  in kvm_vcpu_abt_iss1tw()
399 static __always_inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_iswrite()  argument
401 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_WNR;  in kvm_vcpu_dabt_iswrite()
404 static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_is_cm()  argument
406 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_CM);  in kvm_vcpu_dabt_is_cm()
409 static __always_inline unsigned int kvm_vcpu_dabt_get_as(const struct kvm_vcpu *vcpu)  in kvm_vcpu_dabt_get_as()  argument
411 	return 1 << ((kvm_vcpu_get_esr(vcpu) & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT);  in kvm_vcpu_dabt_get_as()
415 static __always_inline bool kvm_vcpu_trap_il_is32bit(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_il_is32bit()  argument
417 	return !!(kvm_vcpu_get_esr(vcpu) & ESR_ELx_IL);  in kvm_vcpu_trap_il_is32bit()
420 static __always_inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_class()  argument
422 	return ESR_ELx_EC(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_get_class()
425 static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_iabt()  argument
427 	return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW;  in kvm_vcpu_trap_is_iabt()
430 static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_exec_fault()  argument
432 	return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);  in kvm_vcpu_trap_is_exec_fault()
435 static __always_inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_fault()  argument
437 	return kvm_vcpu_get_esr(vcpu) & ESR_ELx_FSC;  in kvm_vcpu_trap_get_fault()
441 bool kvm_vcpu_trap_is_permission_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_permission_fault()  argument
443 	return esr_fsc_is_permission_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_permission_fault()
447 bool kvm_vcpu_trap_is_translation_fault(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_is_translation_fault()  argument
449 	return esr_fsc_is_translation_fault(kvm_vcpu_get_esr(vcpu));  in kvm_vcpu_trap_is_translation_fault()
453 u64 kvm_vcpu_trap_get_perm_fault_granule(const struct kvm_vcpu *vcpu)  in kvm_vcpu_trap_get_perm_fault_granule()  argument
455 	unsigned long esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_trap_get_perm_fault_granule()
461 static __always_inline bool kvm_vcpu_abt_issea(const struct kvm_vcpu *vcpu)  in kvm_vcpu_abt_issea()  argument
463 	switch (kvm_vcpu_trap_get_fault(vcpu)) {  in kvm_vcpu_abt_issea()
474 static __always_inline int kvm_vcpu_sys_get_rt(struct kvm_vcpu *vcpu)  in kvm_vcpu_sys_get_rt()  argument
476 	u64 esr = kvm_vcpu_get_esr(vcpu);  in kvm_vcpu_sys_get_rt()
480 static inline bool kvm_is_write_fault(struct kvm_vcpu *vcpu)  in kvm_is_write_fault()  argument
482 	if (kvm_vcpu_abt_iss1tw(vcpu)) {  in kvm_is_write_fault()
495 		return kvm_vcpu_trap_is_permission_fault(vcpu);  in kvm_is_write_fault()
498 	if (kvm_vcpu_trap_is_iabt(vcpu))  in kvm_is_write_fault()
501 	return kvm_vcpu_dabt_iswrite(vcpu);  in kvm_is_write_fault()
504 static inline unsigned long kvm_vcpu_get_mpidr_aff(struct kvm_vcpu *vcpu)  in kvm_vcpu_get_mpidr_aff()  argument
506 	return __vcpu_sys_reg(vcpu, MPIDR_EL1) & MPIDR_HWID_BITMASK;  in kvm_vcpu_get_mpidr_aff()
509 static inline void kvm_vcpu_set_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_set_be()  argument
511 	if (vcpu_mode_is_32bit(vcpu)) {  in kvm_vcpu_set_be()
512 		*vcpu_cpsr(vcpu) |= PSR_AA32_E_BIT;  in kvm_vcpu_set_be()
517 		r = vcpu_has_nv(vcpu) ? SCTLR_EL2 : SCTLR_EL1;  in kvm_vcpu_set_be()
519 		sctlr = vcpu_read_sys_reg(vcpu, r);  in kvm_vcpu_set_be()
521 		vcpu_write_sys_reg(vcpu, sctlr, r);  in kvm_vcpu_set_be()
525 static inline bool kvm_vcpu_is_be(struct kvm_vcpu *vcpu)  in kvm_vcpu_is_be()  argument
530 	if (vcpu_mode_is_32bit(vcpu))  in kvm_vcpu_is_be()
531 		return !!(*vcpu_cpsr(vcpu) & PSR_AA32_E_BIT);  in kvm_vcpu_is_be()
533 	r = is_hyp_ctxt(vcpu) ? SCTLR_EL2 : SCTLR_EL1;  in kvm_vcpu_is_be()
534 	bit = vcpu_mode_priv(vcpu) ? SCTLR_ELx_EE : SCTLR_EL1_E0E;  in kvm_vcpu_is_be()
536 	return vcpu_read_sys_reg(vcpu, r) & bit;  in kvm_vcpu_is_be()
539 static inline unsigned long vcpu_data_guest_to_host(struct kvm_vcpu *vcpu,  in vcpu_data_guest_to_host()  argument
543 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_guest_to_host()
570 static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,  in vcpu_data_host_to_guest()  argument
574 	if (kvm_vcpu_is_be(vcpu)) {  in vcpu_data_host_to_guest()
601 static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)  in kvm_incr_pc()  argument
603 	WARN_ON(vcpu_get_flag(vcpu, PENDING_EXCEPTION));  in kvm_incr_pc()
604 	vcpu_set_flag(vcpu, INCREMENT_PC);  in kvm_incr_pc()
618 static inline u64 vcpu_sanitised_cptr_el2(const struct kvm_vcpu *vcpu)  in vcpu_sanitised_cptr_el2()  argument
620 	u64 cptr = __vcpu_sys_reg(vcpu, CPTR_EL2);  in vcpu_sanitised_cptr_el2()
622 	if (!vcpu_el2_e2h_is_set(vcpu))  in vcpu_sanitised_cptr_el2()
628 static inline bool ____cptr_xen_trap_enabled(const struct kvm_vcpu *vcpu,  in ____cptr_xen_trap_enabled()  argument
636 		return vcpu_el2_tge_is_set(vcpu) && !vcpu_is_el2(vcpu);  in ____cptr_xen_trap_enabled()
643 #define __guest_hyp_cptr_xen_trap_enabled(vcpu, xen)				\  argument
644 	(!vcpu_has_nv(vcpu) ? false :						\
645 	 ____cptr_xen_trap_enabled(vcpu,					\
647 						 vcpu_sanitised_cptr_el2(vcpu))))
649 static inline bool guest_hyp_fpsimd_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_fpsimd_traps_enabled()  argument
651 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, FPEN);  in guest_hyp_fpsimd_traps_enabled()
654 static inline bool guest_hyp_sve_traps_enabled(const struct kvm_vcpu *vcpu)  in guest_hyp_sve_traps_enabled()  argument
656 	return __guest_hyp_cptr_xen_trap_enabled(vcpu, ZEN);  in guest_hyp_sve_traps_enabled()
659 static inline void vcpu_set_hcrx(struct kvm_vcpu *vcpu)  in vcpu_set_hcrx()  argument
661 	struct kvm *kvm = vcpu->kvm;  in vcpu_set_hcrx()
670 		vcpu->arch.hcrx_el2 = HCRX_EL2_SMPME;  in vcpu_set_hcrx()
673 			vcpu->arch.hcrx_el2 |= (HCRX_EL2_MSCEn | HCRX_EL2_MCE2);  in vcpu_set_hcrx()
676 			vcpu->arch.hcrx_el2 |= HCRX_EL2_TCR2En;  in vcpu_set_hcrx()
679 			vcpu->arch.hcrx_el2 |= HCRX_EL2_EnFPM;  in vcpu_set_hcrx()
682 			vcpu->arch.hcrx_el2 |= HCRX_EL2_SCTLR2En;  in vcpu_set_hcrx()
685 			vcpu->arch.hcrx_el2 |= HCRX_EL2_EnALS;  in vcpu_set_hcrx()
688 			vcpu->arch.hcrx_el2 |= HCRX_EL2_EnASR;  in vcpu_set_hcrx()