diff options
Diffstat (limited to 'drivers/kvm')
-rw-r--r-- | drivers/kvm/kvm.h | 3 | ||||
-rw-r--r-- | drivers/kvm/kvm_main.c | 32 | ||||
-rw-r--r-- | drivers/kvm/svm.c | 8 | ||||
-rw-r--r-- | drivers/kvm/vmx.c | 14 |
4 files changed, 40 insertions, 17 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index d71712ddebee..e0a2f13faf8b 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h | |||
@@ -568,6 +568,9 @@ void set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); | |||
568 | void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0); | 568 | void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0); |
569 | void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0); | 569 | void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0); |
570 | void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0); | 570 | void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0); |
571 | unsigned long get_cr8(struct kvm_vcpu *vcpu); | ||
572 | u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); | ||
573 | void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); | ||
571 | void lmsw(struct kvm_vcpu *vcpu, unsigned long msw); | 574 | void lmsw(struct kvm_vcpu *vcpu, unsigned long msw); |
572 | 575 | ||
573 | int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); | 576 | int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); |
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 09a04bc9541d..f879efbefcdf 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c | |||
@@ -602,6 +602,24 @@ void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) | |||
602 | } | 602 | } |
603 | EXPORT_SYMBOL_GPL(set_cr8); | 603 | EXPORT_SYMBOL_GPL(set_cr8); |
604 | 604 | ||
605 | unsigned long get_cr8(struct kvm_vcpu *vcpu) | ||
606 | { | ||
607 | return vcpu->cr8; | ||
608 | } | ||
609 | EXPORT_SYMBOL_GPL(get_cr8); | ||
610 | |||
611 | u64 kvm_get_apic_base(struct kvm_vcpu *vcpu) | ||
612 | { | ||
613 | return vcpu->apic_base; | ||
614 | } | ||
615 | EXPORT_SYMBOL_GPL(kvm_get_apic_base); | ||
616 | |||
617 | void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data) | ||
618 | { | ||
619 | vcpu->apic_base = data; | ||
620 | } | ||
621 | EXPORT_SYMBOL_GPL(kvm_set_apic_base); | ||
622 | |||
605 | void fx_init(struct kvm_vcpu *vcpu) | 623 | void fx_init(struct kvm_vcpu *vcpu) |
606 | { | 624 | { |
607 | unsigned after_mxcsr_mask; | 625 | unsigned after_mxcsr_mask; |
@@ -1481,7 +1499,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) | |||
1481 | data = 3; | 1499 | data = 3; |
1482 | break; | 1500 | break; |
1483 | case MSR_IA32_APICBASE: | 1501 | case MSR_IA32_APICBASE: |
1484 | data = vcpu->apic_base; | 1502 | data = kvm_get_apic_base(vcpu); |
1485 | break; | 1503 | break; |
1486 | case MSR_IA32_MISC_ENABLE: | 1504 | case MSR_IA32_MISC_ENABLE: |
1487 | data = vcpu->ia32_misc_enable_msr; | 1505 | data = vcpu->ia32_misc_enable_msr; |
@@ -1559,7 +1577,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) | |||
1559 | case 0x200 ... 0x2ff: /* MTRRs */ | 1577 | case 0x200 ... 0x2ff: /* MTRRs */ |
1560 | break; | 1578 | break; |
1561 | case MSR_IA32_APICBASE: | 1579 | case MSR_IA32_APICBASE: |
1562 | vcpu->apic_base = data; | 1580 | kvm_set_apic_base(vcpu, data); |
1563 | break; | 1581 | break; |
1564 | case MSR_IA32_MISC_ENABLE: | 1582 | case MSR_IA32_MISC_ENABLE: |
1565 | vcpu->ia32_misc_enable_msr = data; | 1583 | vcpu->ia32_misc_enable_msr = data; |
@@ -1865,7 +1883,7 @@ static int kvm_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) | |||
1865 | sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); | 1883 | sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved); |
1866 | 1884 | ||
1867 | /* re-sync apic's tpr */ | 1885 | /* re-sync apic's tpr */ |
1868 | vcpu->cr8 = kvm_run->cr8; | 1886 | set_cr8(vcpu, kvm_run->cr8); |
1869 | 1887 | ||
1870 | if (vcpu->pio.cur_count) { | 1888 | if (vcpu->pio.cur_count) { |
1871 | r = complete_pio(vcpu); | 1889 | r = complete_pio(vcpu); |
@@ -2013,9 +2031,9 @@ static int kvm_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, | |||
2013 | sregs->cr2 = vcpu->cr2; | 2031 | sregs->cr2 = vcpu->cr2; |
2014 | sregs->cr3 = vcpu->cr3; | 2032 | sregs->cr3 = vcpu->cr3; |
2015 | sregs->cr4 = vcpu->cr4; | 2033 | sregs->cr4 = vcpu->cr4; |
2016 | sregs->cr8 = vcpu->cr8; | 2034 | sregs->cr8 = get_cr8(vcpu); |
2017 | sregs->efer = vcpu->shadow_efer; | 2035 | sregs->efer = vcpu->shadow_efer; |
2018 | sregs->apic_base = vcpu->apic_base; | 2036 | sregs->apic_base = kvm_get_apic_base(vcpu); |
2019 | 2037 | ||
2020 | memcpy(sregs->interrupt_bitmap, vcpu->irq_pending, | 2038 | memcpy(sregs->interrupt_bitmap, vcpu->irq_pending, |
2021 | sizeof sregs->interrupt_bitmap); | 2039 | sizeof sregs->interrupt_bitmap); |
@@ -2051,13 +2069,13 @@ static int kvm_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, | |||
2051 | mmu_reset_needed |= vcpu->cr3 != sregs->cr3; | 2069 | mmu_reset_needed |= vcpu->cr3 != sregs->cr3; |
2052 | vcpu->cr3 = sregs->cr3; | 2070 | vcpu->cr3 = sregs->cr3; |
2053 | 2071 | ||
2054 | vcpu->cr8 = sregs->cr8; | 2072 | set_cr8(vcpu, sregs->cr8); |
2055 | 2073 | ||
2056 | mmu_reset_needed |= vcpu->shadow_efer != sregs->efer; | 2074 | mmu_reset_needed |= vcpu->shadow_efer != sregs->efer; |
2057 | #ifdef CONFIG_X86_64 | 2075 | #ifdef CONFIG_X86_64 |
2058 | kvm_arch_ops->set_efer(vcpu, sregs->efer); | 2076 | kvm_arch_ops->set_efer(vcpu, sregs->efer); |
2059 | #endif | 2077 | #endif |
2060 | vcpu->apic_base = sregs->apic_base; | 2078 | kvm_set_apic_base(vcpu, sregs->apic_base); |
2061 | 2079 | ||
2062 | kvm_arch_ops->decache_cr4_guest_bits(vcpu); | 2080 | kvm_arch_ops->decache_cr4_guest_bits(vcpu); |
2063 | 2081 | ||
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index 2237a594a8ef..57525e7ed28f 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c | |||
@@ -1339,10 +1339,10 @@ static void svm_intr_assist(struct vcpu_svm *svm) | |||
1339 | 1339 | ||
1340 | static void kvm_reput_irq(struct vcpu_svm *svm) | 1340 | static void kvm_reput_irq(struct vcpu_svm *svm) |
1341 | { | 1341 | { |
1342 | struct kvm_vcpu *vcpu = &svm->vcpu; | ||
1343 | struct vmcb_control_area *control = &svm->vmcb->control; | 1342 | struct vmcb_control_area *control = &svm->vmcb->control; |
1344 | 1343 | ||
1345 | if ((control->int_ctl & V_IRQ_MASK) && !irqchip_in_kernel(vcpu->kvm)) { | 1344 | if ((control->int_ctl & V_IRQ_MASK) |
1345 | && !irqchip_in_kernel(svm->vcpu.kvm)) { | ||
1346 | control->int_ctl &= ~V_IRQ_MASK; | 1346 | control->int_ctl &= ~V_IRQ_MASK; |
1347 | push_irq(&svm->vcpu, control->int_vector); | 1347 | push_irq(&svm->vcpu, control->int_vector); |
1348 | } | 1348 | } |
@@ -1396,8 +1396,8 @@ static void post_kvm_run_save(struct vcpu_svm *svm, | |||
1396 | = (svm->vcpu.interrupt_window_open && | 1396 | = (svm->vcpu.interrupt_window_open && |
1397 | svm->vcpu.irq_summary == 0); | 1397 | svm->vcpu.irq_summary == 0); |
1398 | kvm_run->if_flag = (svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0; | 1398 | kvm_run->if_flag = (svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0; |
1399 | kvm_run->cr8 = svm->vcpu.cr8; | 1399 | kvm_run->cr8 = get_cr8(&svm->vcpu); |
1400 | kvm_run->apic_base = svm->vcpu.apic_base; | 1400 | kvm_run->apic_base = kvm_get_apic_base(&svm->vcpu); |
1401 | } | 1401 | } |
1402 | 1402 | ||
1403 | /* | 1403 | /* |
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index f1e80a95b69d..19676b5a6719 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c | |||
@@ -1369,6 +1369,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) | |||
1369 | int i; | 1369 | int i; |
1370 | int ret = 0; | 1370 | int ret = 0; |
1371 | unsigned long kvm_vmx_return; | 1371 | unsigned long kvm_vmx_return; |
1372 | u64 msr; | ||
1372 | 1373 | ||
1373 | if (!init_rmode_tss(vmx->vcpu.kvm)) { | 1374 | if (!init_rmode_tss(vmx->vcpu.kvm)) { |
1374 | ret = -ENOMEM; | 1375 | ret = -ENOMEM; |
@@ -1376,10 +1377,11 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) | |||
1376 | } | 1377 | } |
1377 | 1378 | ||
1378 | vmx->vcpu.regs[VCPU_REGS_RDX] = get_rdx_init_val(); | 1379 | vmx->vcpu.regs[VCPU_REGS_RDX] = get_rdx_init_val(); |
1379 | vmx->vcpu.cr8 = 0; | 1380 | set_cr8(&vmx->vcpu, 0); |
1380 | vmx->vcpu.apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE; | 1381 | msr = 0xfee00000 | MSR_IA32_APICBASE_ENABLE; |
1381 | if (vmx->vcpu.vcpu_id == 0) | 1382 | if (vmx->vcpu.vcpu_id == 0) |
1382 | vmx->vcpu.apic_base |= MSR_IA32_APICBASE_BSP; | 1383 | msr |= MSR_IA32_APICBASE_BSP; |
1384 | kvm_set_apic_base(&vmx->vcpu, msr); | ||
1383 | 1385 | ||
1384 | fx_init(&vmx->vcpu); | 1386 | fx_init(&vmx->vcpu); |
1385 | 1387 | ||
@@ -1860,7 +1862,7 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) | |||
1860 | return 1; | 1862 | return 1; |
1861 | case 8: | 1863 | case 8: |
1862 | vcpu_load_rsp_rip(vcpu); | 1864 | vcpu_load_rsp_rip(vcpu); |
1863 | vcpu->regs[reg] = vcpu->cr8; | 1865 | vcpu->regs[reg] = get_cr8(vcpu); |
1864 | vcpu_put_rsp_rip(vcpu); | 1866 | vcpu_put_rsp_rip(vcpu); |
1865 | skip_emulated_instruction(vcpu); | 1867 | skip_emulated_instruction(vcpu); |
1866 | return 1; | 1868 | return 1; |
@@ -1957,8 +1959,8 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu, | |||
1957 | struct kvm_run *kvm_run) | 1959 | struct kvm_run *kvm_run) |
1958 | { | 1960 | { |
1959 | kvm_run->if_flag = (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) != 0; | 1961 | kvm_run->if_flag = (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) != 0; |
1960 | kvm_run->cr8 = vcpu->cr8; | 1962 | kvm_run->cr8 = get_cr8(vcpu); |
1961 | kvm_run->apic_base = vcpu->apic_base; | 1963 | kvm_run->apic_base = kvm_get_apic_base(vcpu); |
1962 | kvm_run->ready_for_interrupt_injection = (vcpu->interrupt_window_open && | 1964 | kvm_run->ready_for_interrupt_injection = (vcpu->interrupt_window_open && |
1963 | vcpu->irq_summary == 0); | 1965 | vcpu->irq_summary == 0); |
1964 | } | 1966 | } |