19 static __always_inline unsigned long kvm_##lname##_read(struct kvm_vcpu *vcpu)\
21 	return vcpu->arch.regs[VCPU_REGS_##uname];			      \
23 static __always_inline void kvm_##lname##_write(struct kvm_vcpu *vcpu,	      \
26 	vcpu->arch.regs[VCPU_REGS_##uname] = val;			      \
50  * 1	  0	  register in vcpu->arch  in BUILD_KVM_GPR_ACCESSORS()
51  * 1	  1	  register in vcpu->arch, needs to be stored back  in BUILD_KVM_GPR_ACCESSORS()
53 static inline bool kvm_register_is_available(struct kvm_vcpu *vcpu,  in BUILD_KVM_GPR_ACCESSORS()
56 	return test_bit(reg, (unsigned long *)&vcpu->arch.regs_avail);  in BUILD_KVM_GPR_ACCESSORS()
59 static inline bool kvm_register_is_dirty(struct kvm_vcpu *vcpu,  in kvm_register_is_dirty()  argument
62 	return test_bit(reg, (unsigned long *)&vcpu->arch.regs_dirty);  in kvm_register_is_dirty()
65 static inline void kvm_register_mark_available(struct kvm_vcpu *vcpu,  in kvm_register_mark_available()  argument
68 	__set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail);  in kvm_register_mark_available()
71 static inline void kvm_register_mark_dirty(struct kvm_vcpu *vcpu,  in kvm_register_mark_dirty()  argument
74 	__set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail);  in kvm_register_mark_dirty()
75 	__set_bit(reg, (unsigned long *)&vcpu->arch.regs_dirty);  in kvm_register_mark_dirty()
80  * register are read/written irrespective of current vCPU mode.  In other words,
83 static inline unsigned long kvm_register_read_raw(struct kvm_vcpu *vcpu, int reg)  in kvm_register_read_raw()  argument
88 	if (!kvm_register_is_available(vcpu, reg))  in kvm_register_read_raw()
89 		static_call(kvm_x86_cache_reg)(vcpu, reg);  in kvm_register_read_raw()
91 	return vcpu->arch.regs[reg];  in kvm_register_read_raw()
94 static inline void kvm_register_write_raw(struct kvm_vcpu *vcpu, int reg,  in kvm_register_write_raw()  argument
100 	vcpu->arch.regs[reg] = val;  in kvm_register_write_raw()
101 	kvm_register_mark_dirty(vcpu, reg);  in kvm_register_write_raw()
104 static inline unsigned long kvm_rip_read(struct kvm_vcpu *vcpu)  in kvm_rip_read()  argument
106 	return kvm_register_read_raw(vcpu, VCPU_REGS_RIP);  in kvm_rip_read()
109 static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val)  in kvm_rip_write()  argument
111 	kvm_register_write_raw(vcpu, VCPU_REGS_RIP, val);  in kvm_rip_write()
114 static inline unsigned long kvm_rsp_read(struct kvm_vcpu *vcpu)  in kvm_rsp_read()  argument
116 	return kvm_register_read_raw(vcpu, VCPU_REGS_RSP);  in kvm_rsp_read()
119 static inline void kvm_rsp_write(struct kvm_vcpu *vcpu, unsigned long val)  in kvm_rsp_write()  argument
121 	kvm_register_write_raw(vcpu, VCPU_REGS_RSP, val);  in kvm_rsp_write()
124 static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)  in kvm_pdptr_read()  argument
128 	if (!kvm_register_is_available(vcpu, VCPU_EXREG_PDPTR))  in kvm_pdptr_read()
129 		static_call(kvm_x86_cache_reg)(vcpu, VCPU_EXREG_PDPTR);  in kvm_pdptr_read()
131 	return vcpu->arch.walk_mmu->pdptrs[index];  in kvm_pdptr_read()
134 static inline void kvm_pdptr_write(struct kvm_vcpu *vcpu, int index, u64 value)  in kvm_pdptr_write()  argument
136 	vcpu->arch.walk_mmu->pdptrs[index] = value;  in kvm_pdptr_write()
139 static inline ulong kvm_read_cr0_bits(struct kvm_vcpu *vcpu, ulong mask)  in kvm_read_cr0_bits()  argument
142 	if ((tmask & vcpu->arch.cr0_guest_owned_bits) &&  in kvm_read_cr0_bits()
143 	    !kvm_register_is_available(vcpu, VCPU_EXREG_CR0))  in kvm_read_cr0_bits()
144 		static_call(kvm_x86_cache_reg)(vcpu, VCPU_EXREG_CR0);  in kvm_read_cr0_bits()
145 	return vcpu->arch.cr0 & mask;  in kvm_read_cr0_bits()
148 static inline ulong kvm_read_cr0(struct kvm_vcpu *vcpu)  in kvm_read_cr0()  argument
150 	return kvm_read_cr0_bits(vcpu, ~0UL);  in kvm_read_cr0()
153 static inline ulong kvm_read_cr4_bits(struct kvm_vcpu *vcpu, ulong mask)  in kvm_read_cr4_bits()  argument
156 	if ((tmask & vcpu->arch.cr4_guest_owned_bits) &&  in kvm_read_cr4_bits()
157 	    !kvm_register_is_available(vcpu, VCPU_EXREG_CR4))  in kvm_read_cr4_bits()
158 		static_call(kvm_x86_cache_reg)(vcpu, VCPU_EXREG_CR4);  in kvm_read_cr4_bits()
159 	return vcpu->arch.cr4 & mask;  in kvm_read_cr4_bits()
162 static inline ulong kvm_read_cr3(struct kvm_vcpu *vcpu)  in kvm_read_cr3()  argument
164 	if (!kvm_register_is_available(vcpu, VCPU_EXREG_CR3))  in kvm_read_cr3()
165 		static_call(kvm_x86_cache_reg)(vcpu, VCPU_EXREG_CR3);  in kvm_read_cr3()
166 	return vcpu->arch.cr3;  in kvm_read_cr3()
169 static inline ulong kvm_read_cr4(struct kvm_vcpu *vcpu)  in kvm_read_cr4()  argument
171 	return kvm_read_cr4_bits(vcpu, ~0UL);  in kvm_read_cr4()
174 static inline u64 kvm_read_edx_eax(struct kvm_vcpu *vcpu)  in kvm_read_edx_eax()  argument
176 	return (kvm_rax_read(vcpu) & -1u)  in kvm_read_edx_eax()
177 		| ((u64)(kvm_rdx_read(vcpu) & -1u) << 32);  in kvm_read_edx_eax()
180 static inline void enter_guest_mode(struct kvm_vcpu *vcpu)  in enter_guest_mode()  argument
182 	vcpu->arch.hflags |= HF_GUEST_MASK;  in enter_guest_mode()
183 	vcpu->stat.guest_mode = 1;  in enter_guest_mode()
186 static inline void leave_guest_mode(struct kvm_vcpu *vcpu)  in leave_guest_mode()  argument
188 	vcpu->arch.hflags &= ~HF_GUEST_MASK;  in leave_guest_mode()
190 	if (vcpu->arch.load_eoi_exitmap_pending) {  in leave_guest_mode()
191 		vcpu->arch.load_eoi_exitmap_pending = false;  in leave_guest_mode()
192 		kvm_make_request(KVM_REQ_LOAD_EOI_EXITMAP, vcpu);  in leave_guest_mode()
195 	vcpu->stat.guest_mode = 0;  in leave_guest_mode()
198 static inline bool is_guest_mode(struct kvm_vcpu *vcpu)  in is_guest_mode()  argument
200 	return vcpu->arch.hflags & HF_GUEST_MASK;  in is_guest_mode()
203 static inline bool is_smm(struct kvm_vcpu *vcpu)  in is_smm()  argument
205 	return vcpu->arch.hflags & HF_SMM_MASK;  in is_smm()