Message ID | 20201214183250.1034541-4-pbonzini@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | KVM: x86: MSR completion refactoring for SEV-ES | expand |
On 12/14/20 12:32 PM, Paolo Bonzini wrote: > This will be used by SEV-ES to inject MSR failure via the GHCB. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> (Changed Sean's email on this reply, but missed the others...) > --- > arch/x86/include/asm/kvm_host.h | 1 + > arch/x86/kvm/svm/svm.c | 1 + > arch/x86/kvm/vmx/vmx.c | 1 + > arch/x86/kvm/x86.c | 8 ++++---- > 4 files changed, 7 insertions(+), 4 deletions(-) > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 8cf6b0493d49..18aa15e6fadd 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1285,6 +1285,7 @@ struct kvm_x86_ops { > > void (*migrate_timers)(struct kvm_vcpu *vcpu); > void (*msr_filter_changed)(struct kvm_vcpu *vcpu); > + int (*complete_emulated_msr)(struct kvm_vcpu *vcpu, int err); > }; > > struct kvm_x86_nested_ops { > diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c > index 801e0a641258..4067d511be08 100644 > --- a/arch/x86/kvm/svm/svm.c > +++ b/arch/x86/kvm/svm/svm.c > @@ -4306,6 +4306,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = { > .apic_init_signal_blocked = svm_apic_init_signal_blocked, > > .msr_filter_changed = svm_msr_filter_changed, > + .complete_emulated_msr = kvm_complete_insn_gp, > }; > > static struct kvm_x86_init_ops svm_init_ops __initdata = { > diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c > index 849be2a9f260..55fa51c0cd9d 100644 > --- a/arch/x86/kvm/vmx/vmx.c > +++ b/arch/x86/kvm/vmx/vmx.c > @@ -7701,6 +7701,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = { > .migrate_timers = vmx_migrate_timers, > > .msr_filter_changed = vmx_msr_filter_changed, > + .complete_emulated_msr = kvm_complete_insn_gp, > .cpu_dirty_log_size = vmx_cpu_dirty_log_size, > }; > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 2f1bc52e70c0..6c4482b97c91 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -1642,12 +1642,12 @@ static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) > kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); > } > > - return kvm_complete_insn_gp(vcpu, err); > + return kvm_x86_ops.complete_emulated_msr(vcpu, err); > } > > static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) > { > - return kvm_complete_insn_gp(vcpu, vcpu->run->msr.error); > + return kvm_x86_ops.complete_emulated_msr(vcpu, vcpu->run->msr.error); > } > > static u64 kvm_msr_reason(int r) > @@ -1720,7 +1720,7 @@ int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) > trace_kvm_msr_read_ex(ecx); > } > > - return kvm_complete_insn_gp(vcpu, r); > + return kvm_x86_ops.complete_emulated_msr(vcpu, r); > } > EXPORT_SYMBOL_GPL(kvm_emulate_rdmsr); > > @@ -1747,7 +1747,7 @@ int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) > else > trace_kvm_msr_write_ex(ecx, data); > > - return kvm_complete_insn_gp(vcpu, r); > + return kvm_x86_ops.complete_emulated_msr(vcpu, r); > } > EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr); > >
On 14/12/20 21:55, Tom Lendacky wrote: > On 12/14/20 12:32 PM, Paolo Bonzini wrote: >> This will be used by SEV-ES to inject MSR failure via the GHCB. >> >> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > > Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> > > (Changed Sean's email on this reply, but missed the others...) Thanks for the review, I pushed to kvm/queue now. Paolo >> --- >> arch/x86/include/asm/kvm_host.h | 1 + >> arch/x86/kvm/svm/svm.c | 1 + >> arch/x86/kvm/vmx/vmx.c | 1 + >> arch/x86/kvm/x86.c | 8 ++++---- >> 4 files changed, 7 insertions(+), 4 deletions(-) >> >> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h >> index 8cf6b0493d49..18aa15e6fadd 100644 >> --- a/arch/x86/include/asm/kvm_host.h >> +++ b/arch/x86/include/asm/kvm_host.h >> @@ -1285,6 +1285,7 @@ struct kvm_x86_ops { >> >> void (*migrate_timers)(struct kvm_vcpu *vcpu); >> void (*msr_filter_changed)(struct kvm_vcpu *vcpu); >> + int (*complete_emulated_msr)(struct kvm_vcpu *vcpu, int err); >> }; >> >> struct kvm_x86_nested_ops { >> diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c >> index 801e0a641258..4067d511be08 100644 >> --- a/arch/x86/kvm/svm/svm.c >> +++ b/arch/x86/kvm/svm/svm.c >> @@ -4306,6 +4306,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = { >> .apic_init_signal_blocked = svm_apic_init_signal_blocked, >> >> .msr_filter_changed = svm_msr_filter_changed, >> + .complete_emulated_msr = kvm_complete_insn_gp, >> }; >> >> static struct kvm_x86_init_ops svm_init_ops __initdata = { >> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c >> index 849be2a9f260..55fa51c0cd9d 100644 >> --- a/arch/x86/kvm/vmx/vmx.c >> +++ b/arch/x86/kvm/vmx/vmx.c >> @@ -7701,6 +7701,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = { >> .migrate_timers = vmx_migrate_timers, >> >> .msr_filter_changed = vmx_msr_filter_changed, >> + .complete_emulated_msr = kvm_complete_insn_gp, >> .cpu_dirty_log_size = vmx_cpu_dirty_log_size, >> }; >> >> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c >> index 2f1bc52e70c0..6c4482b97c91 100644 >> --- a/arch/x86/kvm/x86.c >> +++ b/arch/x86/kvm/x86.c >> @@ -1642,12 +1642,12 @@ static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) >> kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); >> } >> >> - return kvm_complete_insn_gp(vcpu, err); >> + return kvm_x86_ops.complete_emulated_msr(vcpu, err); >> } >> >> static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) >> { >> - return kvm_complete_insn_gp(vcpu, vcpu->run->msr.error); >> + return kvm_x86_ops.complete_emulated_msr(vcpu, vcpu->run->msr.error); >> } >> >> static u64 kvm_msr_reason(int r) >> @@ -1720,7 +1720,7 @@ int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) >> trace_kvm_msr_read_ex(ecx); >> } >> >> - return kvm_complete_insn_gp(vcpu, r); >> + return kvm_x86_ops.complete_emulated_msr(vcpu, r); >> } >> EXPORT_SYMBOL_GPL(kvm_emulate_rdmsr); >> >> @@ -1747,7 +1747,7 @@ int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) >> else >> trace_kvm_msr_write_ex(ecx, data); >> >> - return kvm_complete_insn_gp(vcpu, r); >> + return kvm_x86_ops.complete_emulated_msr(vcpu, r); >> } >> EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr); >> >> >
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 8cf6b0493d49..18aa15e6fadd 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1285,6 +1285,7 @@ struct kvm_x86_ops { void (*migrate_timers)(struct kvm_vcpu *vcpu); void (*msr_filter_changed)(struct kvm_vcpu *vcpu); + int (*complete_emulated_msr)(struct kvm_vcpu *vcpu, int err); }; struct kvm_x86_nested_ops { diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 801e0a641258..4067d511be08 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -4306,6 +4306,7 @@ static struct kvm_x86_ops svm_x86_ops __initdata = { .apic_init_signal_blocked = svm_apic_init_signal_blocked, .msr_filter_changed = svm_msr_filter_changed, + .complete_emulated_msr = kvm_complete_insn_gp, }; static struct kvm_x86_init_ops svm_init_ops __initdata = { diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 849be2a9f260..55fa51c0cd9d 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7701,6 +7701,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = { .migrate_timers = vmx_migrate_timers, .msr_filter_changed = vmx_msr_filter_changed, + .complete_emulated_msr = kvm_complete_insn_gp, .cpu_dirty_log_size = vmx_cpu_dirty_log_size, }; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2f1bc52e70c0..6c4482b97c91 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1642,12 +1642,12 @@ static int complete_emulated_rdmsr(struct kvm_vcpu *vcpu) kvm_rdx_write(vcpu, vcpu->run->msr.data >> 32); } - return kvm_complete_insn_gp(vcpu, err); + return kvm_x86_ops.complete_emulated_msr(vcpu, err); } static int complete_emulated_wrmsr(struct kvm_vcpu *vcpu) { - return kvm_complete_insn_gp(vcpu, vcpu->run->msr.error); + return kvm_x86_ops.complete_emulated_msr(vcpu, vcpu->run->msr.error); } static u64 kvm_msr_reason(int r) @@ -1720,7 +1720,7 @@ int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu) trace_kvm_msr_read_ex(ecx); } - return kvm_complete_insn_gp(vcpu, r); + return kvm_x86_ops.complete_emulated_msr(vcpu, r); } EXPORT_SYMBOL_GPL(kvm_emulate_rdmsr); @@ -1747,7 +1747,7 @@ int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu) else trace_kvm_msr_write_ex(ecx, data); - return kvm_complete_insn_gp(vcpu, r); + return kvm_x86_ops.complete_emulated_msr(vcpu, r); } EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr);
This will be used by SEV-ES to inject MSR failure via the GHCB. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/svm/svm.c | 1 + arch/x86/kvm/vmx/vmx.c | 1 + arch/x86/kvm/x86.c | 8 ++++---- 4 files changed, 7 insertions(+), 4 deletions(-)