diff options
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/helper.c | 6 | ||||
| -rw-r--r-- | target-i386/kvm.c | 84 | ||||
| -rw-r--r-- | target-i386/kvm_x86.h | 21 |
3 files changed, 111 insertions, 0 deletions
diff --git a/target-i386/helper.c b/target-i386/helper.c index e13434097f..4b430dd374 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -27,6 +27,7 @@ #include "exec-all.h" #include "qemu-common.h" #include "kvm.h" +#include "kvm_x86.h" //#define DEBUG_MMU @@ -1030,6 +1031,11 @@ void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, if (bank >= bank_num || !(status & MCI_STATUS_VAL)) return; + if (kvm_enabled()) { + kvm_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc); + return; + } + /* * if MSR_MCG_CTL is not all 1s, the uncorrected error * reporting is disabled diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 74e7b4f73b..343fb022c8 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -27,6 +27,7 @@ #include "hw/pc.h" #include "hw/apic.h" #include "ioport.h" +#include "kvm_x86.h" #ifdef CONFIG_KVM_PARA #include <linux/kvm_para.h> @@ -167,6 +168,67 @@ static int get_para_features(CPUState *env) } #endif +#ifdef KVM_CAP_MCE +static int kvm_get_mce_cap_supported(KVMState *s, uint64_t *mce_cap, + int *max_banks) +{ + int r; + + r = kvm_ioctl(s, KVM_CHECK_EXTENSION, KVM_CAP_MCE); + if (r > 0) { + *max_banks = r; + return kvm_ioctl(s, KVM_X86_GET_MCE_CAP_SUPPORTED, mce_cap); + } + return -ENOSYS; +} + +static int kvm_setup_mce(CPUState *env, uint64_t *mcg_cap) +{ + return kvm_vcpu_ioctl(env, KVM_X86_SETUP_MCE, mcg_cap); +} + +static int kvm_set_mce(CPUState *env, struct kvm_x86_mce *m) +{ + return kvm_vcpu_ioctl(env, KVM_X86_SET_MCE, m); +} + +struct kvm_x86_mce_data +{ + CPUState *env; + struct kvm_x86_mce *mce; +}; + +static void kvm_do_inject_x86_mce(void *_data) +{ + struct kvm_x86_mce_data *data = _data; + int r; + + r = kvm_set_mce(data->env, data->mce); + if (r < 0) + perror("kvm_set_mce FAILED"); +} +#endif + +void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, + uint64_t mcg_status, uint64_t addr, uint64_t misc) +{ +#ifdef KVM_CAP_MCE + struct kvm_x86_mce mce = { + .bank = bank, + .status = status, + .mcg_status = mcg_status, + .addr = addr, + .misc = misc, + }; + struct kvm_x86_mce_data data = { + .env = cenv, + .mce = &mce, + }; + + run_on_cpu(cenv, kvm_do_inject_x86_mce, &data); +#endif +} + int kvm_arch_init_vcpu(CPUState *env) { struct { @@ -277,6 +339,28 @@ int kvm_arch_init_vcpu(CPUState *env) cpuid_data.cpuid.nent = cpuid_i; +#ifdef KVM_CAP_MCE + if (((env->cpuid_version >> 8)&0xF) >= 6 + && (env->cpuid_features&(CPUID_MCE|CPUID_MCA)) == (CPUID_MCE|CPUID_MCA) + && kvm_check_extension(env->kvm_state, KVM_CAP_MCE) > 0) { + uint64_t mcg_cap; + int banks; + + if (kvm_get_mce_cap_supported(env->kvm_state, &mcg_cap, &banks)) + perror("kvm_get_mce_cap_supported FAILED"); + else { + if (banks > MCE_BANKS_DEF) + banks = MCE_BANKS_DEF; + mcg_cap &= MCE_CAP_DEF; + mcg_cap |= banks; + if (kvm_setup_mce(env, &mcg_cap)) + perror("kvm_setup_mce FAILED"); + else + env->mcg_cap = mcg_cap; + } + } +#endif + return kvm_vcpu_ioctl(env, KVM_SET_CPUID2, &cpuid_data); } diff --git a/target-i386/kvm_x86.h b/target-i386/kvm_x86.h new file mode 100644 index 0000000000..c1ebd24fcf --- /dev/null +++ b/target-i386/kvm_x86.h @@ -0,0 +1,21 @@ +/* + * QEMU KVM support + * + * Copyright (C) 2009 Red Hat Inc. + * Copyright IBM, Corp. 2008 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef __KVM_X86_H__ +#define __KVM_X86_H__ + +void kvm_inject_x86_mce(CPUState *cenv, int bank, uint64_t status, + uint64_t mcg_status, uint64_t addr, uint64_t misc); + +#endif |