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pr=C From: Jason Andryuk To: CC: Jiqian Chen , Huang Rui , "Jason Andryuk" , Anthony PERARD , Juergen Gross Subject: [PATCH 1/2] tools/ctrl: Silence missing GSI in xc_pcidev_get_gsi() Date: Wed, 26 Feb 2025 15:10:21 -0500 Message-ID: <20250226201022.42447-2-jason.andryuk@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250226201022.42447-1-jason.andryuk@amd.com> References: <20250226201022.42447-1-jason.andryuk@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB03.amd.com: jason.andryuk@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055DA:EE_|SA1PR12MB7199:EE_ X-MS-Office365-Filtering-Correlation-Id: 37f3f3ed-bdab-43cb-e978-08dd56a18240 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(376014)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2025 20:09:43.0869 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37f3f3ed-bdab-43cb-e978-08dd56a18240 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055DA.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7199 It is valid for a PCI device to not have a legacy IRQ. In that case, do not print an error to keep the lgs clean. This relies on pciback being updated to return -ENOENT for a missing GSI. Fixes: b93e5981d258 ("tools: Add new function to get gsi from dev") Signed-off-by: Jason Andryuk Acked-by: Roger Pau Monné --- tools/libs/ctrl/xc_linux.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/libs/ctrl/xc_linux.c b/tools/libs/ctrl/xc_linux.c index 92591e49a1..c18f09392f 100644 --- a/tools/libs/ctrl/xc_linux.c +++ b/tools/libs/ctrl/xc_linux.c @@ -78,7 +78,8 @@ int xc_pcidev_get_gsi(xc_interface *xch, uint32_t sbdf) IOCTL_PRIVCMD_PCIDEV_GET_GSI, &dev_gsi); if (ret < 0) { - PERROR("Failed to get gsi from dev"); + if (errno != ENOENT) + PERROR("Failed to get gsi from dev"); } else { ret = dev_gsi.gsi; } From patchwork Wed Feb 26 20:10:22 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Andryuk X-Patchwork-Id: 13993143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C4705C021B8 for ; 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bh=uXif3xxHR0swgkqMsjQ8Zq4Y3dDR8D/QU5nuLdzLagc=; b=wb7UkztnnlxEUlPq4CkFGiWoQ+LEF2kn6H8DZYtYx/rk49X2+YBDozSQEG32iU4SV//hdpmElEOOBkGQ7V6/LK3amvh6gkxtbCgtSHT/P77d6g/kLlmq/cXzmUErXU4lzSuDr+xQA+1My5LchC7Rta1M9dDWn8PBRNOcL6DNkGs= X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C From: Jason Andryuk To: CC: Jiqian Chen , Huang Rui , "Jason Andryuk" , Anthony PERARD , Juergen Gross Subject: [PATCH 2/2] tools/libxl: Skip missing PCI GSIs Date: Wed, 26 Feb 2025 15:10:22 -0500 Message-ID: <20250226201022.42447-3-jason.andryuk@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250226201022.42447-1-jason.andryuk@amd.com> References: <20250226201022.42447-1-jason.andryuk@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB03.amd.com: jason.andryuk@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055E1:EE_|SN7PR12MB7156:EE_ X-MS-Office365-Filtering-Correlation-Id: 61ea7044-fb46-4677-5088-08dd56a18399 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|82310400026|376014; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2025 20:09:45.3439 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 61ea7044-fb46-4677-5088-08dd56a18399 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055E1.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7156 A PCI device may not have a legacy IRQ. In that case, we don't need to do anything, so don't fail in libxl__arch_hvm_map_gsi() and libxl__arch_hvm_unmap_gsi(). Requires an updated pciback to return -ENOENT. Fixes: f97f885c7198 ("tools: Add new function to do PIRQ (un)map on PVH dom0") Signed-off-by: Jason Andryuk --- tools/libs/light/libxl_x86.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/libs/light/libxl_x86.c b/tools/libs/light/libxl_x86.c index a3164a3077..63208362af 100644 --- a/tools/libs/light/libxl_x86.c +++ b/tools/libs/light/libxl_x86.c @@ -901,7 +901,10 @@ int libxl__arch_hvm_map_gsi(libxl__gc *gc, uint32_t sbdf, uint32_t domid) int pirq = -1, gsi, r; gsi = xc_pcidev_get_gsi(CTX->xch, sbdf); - if (gsi < 0) { + if (gsi == -1 && errno == ENOENT) { + LOGD(DEBUG, domid, "xc_pcidev_get_gsi no gsi"); + return 0; + } else if (gsi < 0) { return ERROR_FAIL; } @@ -925,7 +928,10 @@ int libxl__arch_hvm_unmap_gsi(libxl__gc *gc, uint32_t sbdf, uint32_t domid) int pirq = -1, gsi, r; gsi = xc_pcidev_get_gsi(CTX->xch, sbdf); - if (gsi < 0) { + if (gsi == -1 && errno == ENOENT) { + LOGD(DEBUG, domid, "xc_pcidev_get_gsi no gsi"); + return 0; + } else if (gsi < 0) { return ERROR_FAIL; }