From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C3F8C433E0 for ; Tue, 30 Jun 2020 15:49:54 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DBD202074F for ; Tue, 30 Jun 2020 15:49:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HJVBWHqV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBD202074F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35946 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqIW7-0008KL-Rf for qemu-devel@archiver.kernel.org; Tue, 30 Jun 2020 11:49:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqIRv-00047A-Kt for qemu-devel@nongnu.org; Tue, 30 Jun 2020 11:45:31 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:49296 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jqIRt-0004Ym-Uc for qemu-devel@nongnu.org; Tue, 30 Jun 2020 11:45:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593531928; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7DiqiMDZFfUEcQK+ZSH9v2PIgWNJBt3qwpmszrKavw4=; b=HJVBWHqVbngAQKS85Mfoc8kwIkmpQ/WSMGB7B/wlYdcphF2eZ2H9xQDucGtZ6Unkxf1Dyn YrpLositBFh1K0PVYLj5M2d/BmhfTlwNkc6v3yZuhG9Hcf2Oh0O87ZGhBa88Ib2/mzdwAZ aXUVJuK/1Zb256ozg13KnIMH8wb/A9Y= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-226-nV_bIMToPo-VLwHNGnLfIw-1; Tue, 30 Jun 2020 11:45:23 -0400 X-MC-Unique: nV_bIMToPo-VLwHNGnLfIw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B1A3F1005512 for ; Tue, 30 Jun 2020 15:45:22 +0000 (UTC) Received: from virtlab511.virt.lab.eng.bos.redhat.com (virtlab511.virt.lab.eng.bos.redhat.com [10.19.152.198]) by smtp.corp.redhat.com (Postfix) with ESMTP id 72B6A1A90F for ; Tue, 30 Jun 2020 15:45:22 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 1/2] target-i386: sev: provide proper error reporting for query-sev-capabilities Date: Tue, 30 Jun 2020 11:45:20 -0400 Message-Id: <20200630154521.552874-2-pbonzini@redhat.com> In-Reply-To: <20200630154521.552874-1-pbonzini@redhat.com> References: <20200630154521.552874-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/30 03:55:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The query-sev-capabilities was reporting errors through error_report; change it to use Error** so that the cause of the failure is clearer. Signed-off-by: Paolo Bonzini --- target/i386/monitor.c | 10 +--------- target/i386/sev-stub.c | 3 ++- target/i386/sev.c | 18 +++++++++--------- target/i386/sev_i386.h | 2 +- 4 files changed, 13 insertions(+), 20 deletions(-) diff --git a/target/i386/monitor.c b/target/i386/monitor.c index 27ebfa3ad2..7abae3c8df 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -726,13 +726,5 @@ SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp) SevCapability *qmp_query_sev_capabilities(Error **errp) { - SevCapability *data; - - data = sev_get_capabilities(); - if (!data) { - error_setg(errp, "SEV feature is not available"); - return NULL; - } - - return data; + return sev_get_capabilities(errp); } diff --git a/target/i386/sev-stub.c b/target/i386/sev-stub.c index e5ee13309c..88e3f39a1e 100644 --- a/target/i386/sev-stub.c +++ b/target/i386/sev-stub.c @@ -44,7 +44,8 @@ char *sev_get_launch_measurement(void) return NULL; } -SevCapability *sev_get_capabilities(void) +SevCapability *sev_get_capabilities(Error **errp) { + error_setg(errp, "SEV is not available in this QEMU"); return NULL; } diff --git a/target/i386/sev.c b/target/i386/sev.c index d273174ad3..70f9ee026f 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -399,7 +399,7 @@ sev_get_info(void) static int sev_get_pdh_info(int fd, guchar **pdh, size_t *pdh_len, guchar **cert_chain, - size_t *cert_chain_len) + size_t *cert_chain_len, Error **errp) { guchar *pdh_data = NULL; guchar *cert_chain_data = NULL; @@ -410,8 +410,8 @@ sev_get_pdh_info(int fd, guchar **pdh, size_t *pdh_len, guchar **cert_chain, r = sev_platform_ioctl(fd, SEV_PDH_CERT_EXPORT, &export, &err); if (r < 0) { if (err != SEV_RET_INVALID_LEN) { - error_report("failed to export PDH cert ret=%d fw_err=%d (%s)", - r, err, fw_error_to_str(err)); + error_setg(errp, "failed to export PDH cert ret=%d fw_err=%d (%s)", + r, err, fw_error_to_str(err)); return 1; } } @@ -423,8 +423,8 @@ sev_get_pdh_info(int fd, guchar **pdh, size_t *pdh_len, guchar **cert_chain, r = sev_platform_ioctl(fd, SEV_PDH_CERT_EXPORT, &export, &err); if (r < 0) { - error_report("failed to export PDH cert ret=%d fw_err=%d (%s)", - r, err, fw_error_to_str(err)); + error_setg(errp, "failed to export PDH cert ret=%d fw_err=%d (%s)", + r, err, fw_error_to_str(err)); goto e_free; } @@ -441,7 +441,7 @@ e_free: } SevCapability * -sev_get_capabilities(void) +sev_get_capabilities(Error **errp) { SevCapability *cap = NULL; guchar *pdh_data = NULL; @@ -452,13 +452,13 @@ sev_get_capabilities(void) fd = open(DEFAULT_SEV_DEVICE, O_RDWR); if (fd < 0) { - error_report("%s: Failed to open %s '%s'", __func__, - DEFAULT_SEV_DEVICE, strerror(errno)); + error_setg_errno(errp, errno, "Failed to open %s", + DEFAULT_SEV_DEVICE); return NULL; } if (sev_get_pdh_info(fd, &pdh_data, &pdh_len, - &cert_chain_data, &cert_chain_len)) { + &cert_chain_data, &cert_chain_len, errp)) { goto out; } diff --git a/target/i386/sev_i386.h b/target/i386/sev_i386.h index 8eb7de1bef..4db6960f60 100644 --- a/target/i386/sev_i386.h +++ b/target/i386/sev_i386.h @@ -34,6 +34,6 @@ extern SevInfo *sev_get_info(void); extern uint32_t sev_get_cbit_position(void); extern uint32_t sev_get_reduced_phys_bits(void); extern char *sev_get_launch_measurement(void); -extern SevCapability *sev_get_capabilities(void); +extern SevCapability *sev_get_capabilities(Error **errp); #endif -- 2.26.2