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Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c93
1 files changed, 30 insertions, 63 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 475d1c948501..e32243eac2f4 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1084,7 +1084,6 @@ static void init_vmcb(struct vcpu_svm *svm)
if (npt_enabled) {
/* Setup VMCB for Nested Paging */
control->nested_ctl = 1;
- clr_intercept(svm, INTERCEPT_TASK_SWITCH);
clr_intercept(svm, INTERCEPT_INVLPG);
clr_exception_intercept(svm, PF_VECTOR);
clr_cr_intercept(svm, INTERCEPT_CR3_READ);
@@ -1844,6 +1843,20 @@ static unsigned long nested_svm_get_tdp_cr3(struct kvm_vcpu *vcpu)
return svm->nested.nested_cr3;
}
+static u64 nested_svm_get_tdp_pdptr(struct kvm_vcpu *vcpu, int index)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ u64 cr3 = svm->nested.nested_cr3;
+ u64 pdpte;
+ int ret;
+
+ ret = kvm_read_guest_page(vcpu->kvm, gpa_to_gfn(cr3), &pdpte,
+ offset_in_page(cr3) + index * 8, 8);
+ if (ret)
+ return 0;
+ return pdpte;
+}
+
static void nested_svm_set_tdp_cr3(struct kvm_vcpu *vcpu,
unsigned long root)
{
@@ -1875,6 +1888,7 @@ static int nested_svm_init_mmu_context(struct kvm_vcpu *vcpu)
vcpu->arch.mmu.set_cr3 = nested_svm_set_tdp_cr3;
vcpu->arch.mmu.get_cr3 = nested_svm_get_tdp_cr3;
+ vcpu->arch.mmu.get_pdptr = nested_svm_get_tdp_pdptr;
vcpu->arch.mmu.inject_page_fault = nested_svm_inject_npf_exit;
vcpu->arch.mmu.shadow_root_level = get_npt_level();
vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu;
@@ -2182,7 +2196,8 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
vmcb->control.exit_info_1,
vmcb->control.exit_info_2,
vmcb->control.exit_int_info,
- vmcb->control.exit_int_info_err);
+ vmcb->control.exit_int_info_err,
+ KVM_ISA_SVM);
nested_vmcb = nested_svm_map(svm, svm->nested.vmcb, &page);
if (!nested_vmcb)
@@ -2894,15 +2909,20 @@ static int cr8_write_interception(struct vcpu_svm *svm)
return 0;
}
+u64 svm_read_l1_tsc(struct kvm_vcpu *vcpu)
+{
+ struct vmcb *vmcb = get_host_vmcb(to_svm(vcpu));
+ return vmcb->control.tsc_offset +
+ svm_scale_tsc(vcpu, native_read_tsc());
+}
+
static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
{
struct vcpu_svm *svm = to_svm(vcpu);
switch (ecx) {
case MSR_IA32_TSC: {
- struct vmcb *vmcb = get_host_vmcb(svm);
-
- *data = vmcb->control.tsc_offset +
+ *data = svm->vmcb->control.tsc_offset +
svm_scale_tsc(vcpu, native_read_tsc());
break;
@@ -3314,8 +3334,6 @@ static int handle_exit(struct kvm_vcpu *vcpu)
struct kvm_run *kvm_run = vcpu->run;
u32 exit_code = svm->vmcb->control.exit_code;
- trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM);
-
if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE))
vcpu->arch.cr0 = svm->vmcb->save.cr0;
if (npt_enabled)
@@ -3335,7 +3353,8 @@ static int handle_exit(struct kvm_vcpu *vcpu)
svm->vmcb->control.exit_info_1,
svm->vmcb->control.exit_info_2,
svm->vmcb->control.exit_int_info,
- svm->vmcb->control.exit_int_info_err);
+ svm->vmcb->control.exit_int_info_err,
+ KVM_ISA_SVM);
vmexit = nested_svm_exit_special(svm);
@@ -3768,6 +3787,8 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
+ trace_kvm_exit(svm->vmcb->control.exit_code, vcpu, KVM_ISA_SVM);
+
if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
kvm_before_handle_nmi(&svm->vcpu);
@@ -3897,60 +3918,6 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
}
}
-static const struct trace_print_flags svm_exit_reasons_str[] = {
- { SVM_EXIT_READ_CR0, "read_cr0" },
- { SVM_EXIT_READ_CR3, "read_cr3" },
- { SVM_EXIT_READ_CR4, "read_cr4" },
- { SVM_EXIT_READ_CR8, "read_cr8" },
- { SVM_EXIT_WRITE_CR0, "write_cr0" },
- { SVM_EXIT_WRITE_CR3, "write_cr3" },
- { SVM_EXIT_WRITE_CR4, "write_cr4" },
- { SVM_EXIT_WRITE_CR8, "write_cr8" },
- { SVM_EXIT_READ_DR0, "read_dr0" },
- { SVM_EXIT_READ_DR1, "read_dr1" },
- { SVM_EXIT_READ_DR2, "read_dr2" },
- { SVM_EXIT_READ_DR3, "read_dr3" },
- { SVM_EXIT_WRITE_DR0, "write_dr0" },
- { SVM_EXIT_WRITE_DR1, "write_dr1" },
- { SVM_EXIT_WRITE_DR2, "write_dr2" },
- { SVM_EXIT_WRITE_DR3, "write_dr3" },
- { SVM_EXIT_WRITE_DR5, "write_dr5" },
- { SVM_EXIT_WRITE_DR7, "write_dr7" },
- { SVM_EXIT_EXCP_BASE + DB_VECTOR, "DB excp" },
- { SVM_EXIT_EXCP_BASE + BP_VECTOR, "BP excp" },
- { SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" },
- { SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" },
- { SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" },
- { SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" },
- { SVM_EXIT_INTR, "interrupt" },
- { SVM_EXIT_NMI, "nmi" },
- { SVM_EXIT_SMI, "smi" },
- { SVM_EXIT_INIT, "init" },
- { SVM_EXIT_VINTR, "vintr" },
- { SVM_EXIT_CPUID, "cpuid" },
- { SVM_EXIT_INVD, "invd" },
- { SVM_EXIT_HLT, "hlt" },
- { SVM_EXIT_INVLPG, "invlpg" },
- { SVM_EXIT_INVLPGA, "invlpga" },
- { SVM_EXIT_IOIO, "io" },
- { SVM_EXIT_MSR, "msr" },
- { SVM_EXIT_TASK_SWITCH, "task_switch" },
- { SVM_EXIT_SHUTDOWN, "shutdown" },
- { SVM_EXIT_VMRUN, "vmrun" },
- { SVM_EXIT_VMMCALL, "hypercall" },
- { SVM_EXIT_VMLOAD, "vmload" },
- { SVM_EXIT_VMSAVE, "vmsave" },
- { SVM_EXIT_STGI, "stgi" },
- { SVM_EXIT_CLGI, "clgi" },
- { SVM_EXIT_SKINIT, "skinit" },
- { SVM_EXIT_WBINVD, "wbinvd" },
- { SVM_EXIT_MONITOR, "monitor" },
- { SVM_EXIT_MWAIT, "mwait" },
- { SVM_EXIT_XSETBV, "xsetbv" },
- { SVM_EXIT_NPF, "npf" },
- { -1, NULL }
-};
-
static int svm_get_lpage_level(void)
{
return PT_PDPE_LEVEL;
@@ -4223,7 +4190,6 @@ static struct kvm_x86_ops svm_x86_ops = {
.get_mt_mask = svm_get_mt_mask,
.get_exit_info = svm_get_exit_info,
- .exit_reasons_str = svm_exit_reasons_str,
.get_lpage_level = svm_get_lpage_level,
@@ -4239,6 +4205,7 @@ static struct kvm_x86_ops svm_x86_ops = {
.write_tsc_offset = svm_write_tsc_offset,
.adjust_tsc_offset = svm_adjust_tsc_offset,
.compute_tsc_offset = svm_compute_tsc_offset,
+ .read_l1_tsc = svm_read_l1_tsc,
.set_tdp_cr3 = set_tdp_cr3,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 01:11:15 +0100