Commit eaf78265 authored by Joerg Roedel's avatar Joerg Roedel Committed by Paolo Bonzini
Browse files

KVM: SVM: Move SEV code to separate file 



Move the SEV specific parts of svm.c into the new sev.c file.

Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
Message-Id: <20200324094154.32352-5-joro@8bytes.org>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent ef0f6496

arch/x86/kvm/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -14,7 +14,7 @@ kvm-y += x86.o emulate.o i8259.o irq.o lapic.o \ 
			   hyperv.o debugfs.o mmu/mmu.o mmu/page_track.o



kvm-intel-y		+= vmx/vmx.o vmx/vmenter.o vmx/pmu_intel.o vmx/vmcs12.o vmx/evmcs.o vmx/nested.o

kvm-amd-y		+= svm/svm.o svm/pmu.o svm/nested.o svm/avic.o

kvm-amd-y		+= svm/svm.o svm/pmu.o svm/nested.o svm/avic.o svm/sev.o



obj-$(CONFIG_KVM)	+= kvm.o

obj-$(CONFIG_KVM_INTEL)	+= kvm-intel.o

arch/x86/kvm/svm/sev.c

0 → 100644
+1187 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/x86/kvm/svm/svm.c

+21 −1220

File changed.

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arch/x86/kvm/svm/svm.h

+48 −0
Original line number Diff line number Diff line
@@ -171,6 +171,24 @@ struct vcpu_svm { 
	unsigned int last_cpu;

};



struct svm_cpu_data {

	int cpu;



	u64 asid_generation;

	u32 max_asid;

	u32 next_asid;

	u32 min_asid;

	struct kvm_ldttss_desc *tss_desc;



	struct page *save_area;

	struct vmcb *current_vmcb;



	/* index = sev_asid, value = vmcb pointer */

	struct vmcb **sev_vmcbs;

};



DECLARE_PER_CPU(struct svm_cpu_data *, svm_data);



void recalc_intercepts(struct vcpu_svm *svm);



static inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)
@@ -440,4 +458,34 @@ int svm_update_pi_irte(struct kvm *kvm, unsigned int host_irq, 
void svm_vcpu_blocking(struct kvm_vcpu *vcpu);

void svm_vcpu_unblocking(struct kvm_vcpu *vcpu);



/* sev.c */



extern unsigned int max_sev_asid;



static inline bool sev_guest(struct kvm *kvm)

{

#ifdef CONFIG_KVM_AMD_SEV

	struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;



	return sev->active;

#else

	return false;

#endif

}



static inline bool svm_sev_enabled(void)

{

	return IS_ENABLED(CONFIG_KVM_AMD_SEV) ? max_sev_asid : 0;

}



void sev_vm_destroy(struct kvm *kvm);

int svm_mem_enc_op(struct kvm *kvm, void __user *argp);

int svm_register_enc_region(struct kvm *kvm,

			    struct kvm_enc_region *range);

int svm_unregister_enc_region(struct kvm *kvm,

			      struct kvm_enc_region *range);

void pre_sev_run(struct vcpu_svm *svm, int cpu);

int __init sev_hardware_setup(void);

void sev_hardware_teardown(void);



#endif