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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2024 20:44:41.5682 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a36467e1-63ed-4660-e9ac-08dd0423ffd6 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CC.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6279 Content-Type: text/plain; charset="utf-8" Convert VMGEXIT SW_EXITINFO1 codes from plain numbers to proper defines. No functionality changed. Signed-off-by: Melody Wang Reviewed-by: Pavan Kumar Paluri Reviewed-by: Tom Lendacky --- arch/x86/include/asm/sev-common.h | 8 ++++++++ arch/x86/kvm/svm/sev.c | 12 ++++++------ arch/x86/kvm/svm/svm.c | 2 +- 3 files changed, 15 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-c= ommon.h index 98726c2b04f8..01d4744e880a 100644 --- a/arch/x86/include/asm/sev-common.h +++ b/arch/x86/include/asm/sev-common.h @@ -209,6 +209,14 @@ struct snp_psc_desc { =20 #define GHCB_RESP_CODE(v) ((v) & GHCB_MSR_INFO_MASK) =20 +/* + * Error codes of the GHCB SW_EXITINFO1 related to GHCB input that can be + * communicated back to the guest + */ +#define GHCB_HV_RESP_SUCCESS 0 +#define GHCB_HV_RESP_ISSUE_EXCEPTION 1 +#define GHCB_HV_RESP_MALFORMED_INPUT 2 + /* * Error codes related to GHCB input that can be communicated back to the = guest * by setting the lower 32-bits of the GHCB SW_EXITINFO1 field to 2. diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index c6c852485900..c78d18ba179c 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -3430,7 +3430,7 @@ static int sev_es_validate_vmgexit(struct vcpu_svm *s= vm) dump_ghcb(svm); } =20 - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_MALFORMED_INPUT); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, reason); =20 /* Resume the guest to "return" the error code. */ @@ -3574,7 +3574,7 @@ static int setup_vmgexit_scratch(struct vcpu_svm *svm= , bool sync, u64 len) return 0; =20 e_scratch: - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_MALFORMED_INPUT); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_SCRATCH_AREA); =20 return 1; @@ -4121,7 +4121,7 @@ static int snp_handle_ext_guest_req(struct vcpu_svm *= svm, gpa_t req_gpa, gpa_t r return snp_handle_guest_req(svm, req_gpa, resp_gpa); =20 request_invalid: - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_MALFORMED_INPUT); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_INPUT); return 1; /* resume guest */ } @@ -4314,7 +4314,7 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) if (ret) return ret; =20 - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 0); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_SUCCESS); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, 0); =20 exit_code =3D kvm_ghcb_get_sw_exit_code(control); @@ -4364,7 +4364,7 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) default: pr_err("svm: vmgexit: unsupported AP jump table request - exit_info_1= =3D%#llx\n", control->exit_info_1); - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_MALFORMED_INPUT); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_INPUT); } =20 @@ -4394,7 +4394,7 @@ int sev_handle_vmgexit(struct kvm_vcpu *vcpu) case SVM_VMGEXIT_AP_CREATION: ret =3D sev_snp_ap_creation(svm); if (ret) { - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 2); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_MALFORMED_INPUT); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, GHCB_ERR_INVALID_INPUT); } =20 diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index c1e29307826b..5ebe8177d2c6 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2975,7 +2975,7 @@ static int svm_complete_emulated_msr(struct kvm_vcpu = *vcpu, int err) if (!err || !sev_es_guest(vcpu->kvm) || WARN_ON_ONCE(!svm->sev_es.ghcb)) return kvm_complete_insn_gp(vcpu, err); =20 - ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, 1); + ghcb_set_sw_exit_info_1(svm->sev_es.ghcb, GHCB_HV_RESP_ISSUE_EXCEPTION); ghcb_set_sw_exit_info_2(svm->sev_es.ghcb, X86_TRAP_GP | SVM_EVTINJ_TYPE_EXEPT | --=20 2.34.1