diff options
Diffstat (limited to 'target/i386')
| -rw-r--r-- | target/i386/cpu.c | 22 | ||||
| -rw-r--r-- | target/i386/host-cpu.h | 1 | ||||
| -rw-r--r-- | target/i386/kvm/kvm.c | 6 | ||||
| -rw-r--r-- | target/i386/kvm/tdx.c | 12 |
4 files changed, 27 insertions, 14 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index da7d8dc..251d576 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -9620,6 +9620,16 @@ static void x86_cpu_register_feature_bit_props(X86CPUClass *xcc, static void x86_cpu_post_initfn(Object *obj) { +#ifndef CONFIG_USER_ONLY + if (current_machine && current_machine->cgs) { + x86_confidential_guest_cpu_instance_init( + X86_CONFIDENTIAL_GUEST(current_machine->cgs), (CPU(obj))); + } +#endif +} + +static void x86_cpu_init_xsave(void) +{ static bool first = true; uint64_t supported_xcr0; int i; @@ -9639,13 +9649,6 @@ static void x86_cpu_post_initfn(Object *obj) } } } - -#ifndef CONFIG_USER_ONLY - if (current_machine && current_machine->cgs) { - x86_confidential_guest_cpu_instance_init( - X86_CONFIDENTIAL_GUEST(current_machine->cgs), (CPU(obj))); - } -#endif } static void x86_cpu_init_default_topo(X86CPU *cpu) @@ -9715,6 +9718,11 @@ static void x86_cpu_initfn(Object *obj) x86_cpu_load_model(cpu, xcc->model); } + /* + * accel's cpu_instance_init may have the xsave check, + * so x86_ext_save_areas[] must be initialized before this. + */ + x86_cpu_init_xsave(); accel_cpu_instance_init(CPU(obj)); } diff --git a/target/i386/host-cpu.h b/target/i386/host-cpu.h index 10df4b3..ee65324 100644 --- a/target/i386/host-cpu.h +++ b/target/i386/host-cpu.h @@ -12,7 +12,6 @@ uint32_t host_cpu_phys_bits(void); void host_cpu_instance_init(X86CPU *cpu); -void host_cpu_max_instance_init(X86CPU *cpu); bool host_cpu_realizefn(CPUState *cs, Error **errp); void host_cpu_vendor_fms(char *vendor, int *family, int *model, int *stepping); diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index e8c8be0..369626f 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -503,8 +503,12 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function, * Linux v4.17-v4.20 incorrectly return ARCH_CAPABILITIES on SVM hosts. * We can detect the bug by checking if MSR_IA32_ARCH_CAPABILITIES is * returned by KVM_GET_MSR_INDEX_LIST. + * + * But also, because Windows does not like ARCH_CAPABILITIES on AMD + * mcahines at all, do not show the fake ARCH_CAPABILITIES MSR that + * KVM sets up. */ - if (!has_msr_arch_capabs) { + if (!has_msr_arch_capabs || !(edx & CPUID_7_0_EDX_ARCH_CAPABILITIES)) { ret &= ~CPUID_7_0_EDX_ARCH_CAPABILITIES; } } else if (function == 7 && index == 1 && reg == R_EAX) { diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 7d69d6d..dbf0fa2 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -1126,10 +1126,15 @@ int tdx_parse_tdvf(void *flash_ptr, int size) return tdvf_parse_metadata(&tdx_guest->tdvf, flash_ptr, size); } -static void tdx_inject_interrupt(uint32_t apicid, uint32_t vector) +static void tdx_inject_interrupt(TdxGuest *tdx) { int ret; + uint32_t apicid, vector; + qemu_mutex_lock(&tdx->lock); + vector = tdx->event_notify_vector; + apicid = tdx->event_notify_apicid; + qemu_mutex_unlock(&tdx->lock); if (vector < 32 || vector > 255) { return; } @@ -1179,8 +1184,7 @@ static void tdx_get_quote_completion(TdxGenerateQuoteTask *task) error_report("TDX: get-quote: failed to update GetQuote header."); } - tdx_inject_interrupt(tdx_guest->event_notify_apicid, - tdx_guest->event_notify_vector); + tdx_inject_interrupt(tdx); g_free(task->send_data); g_free(task->receive_buf); @@ -1523,8 +1527,6 @@ static void tdx_guest_init(Object *obj) tdx_guest_set_qgs, NULL, NULL); - qemu_mutex_init(&tdx->lock); - tdx->event_notify_vector = -1; tdx->event_notify_apicid = -1; } |