From nobody Sat Nov 30 06:44:02 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass(p=quarantine dis=none) header.from=amd.com ARC-Seal: i=2; a=rsa-sha256; t=1726133110; cv=pass; d=zohomail.com; s=zohoarc; b=itt5UbBtbyjy2idlenXhsqFKP019hRUMmUbhgLKo/DSmlXv/0LQLHF+NNPjNVJ9Ack3pFh3+mRn0HD4rAs0PLEfESxxqQjH+U9Y44DQMtM4f7WHZ5L07+W6UHEbvzLZ4KYf5eh4CbIDHW3oIewL0tkKQJaisabUAb3ujd2Hc7r8= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726133110; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=VoRjaM5eHB5wA0PEqYUhMxGvKJWObMEd8EVOz5Lzs3k=; b=D0tmhlA8MqfckImwziBDaRg28bLgJJOaF/IiAeeoLjGn8DrqTS+QKq7OFP3LVoxoMr/pc2VQqvJXoZjmj3y5sC2JanlYgRZuoDEkeeZjrjBgL7BuLbiMS/zVI80DdgOW1JElfmJuoyyU6e9eFnWnubcCTc7fv7rlHXEsuZWV+Mw= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 172613311017869.53277165375891; Thu, 12 Sep 2024 02:25:10 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.797107.1206938 (Exim 4.92) (envelope-from ) id 1sog42-0005DY-HR; Thu, 12 Sep 2024 09:24:34 +0000 Received: by outflank-mailman (output) from mailman id 797107.1206938; Thu, 12 Sep 2024 09:24:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sog42-0005DH-EP; Thu, 12 Sep 2024 09:24:34 +0000 Received: by outflank-mailman (input) for mailman id 797107; Thu, 12 Sep 2024 09:24:33 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sog41-0004ii-Ay for xen-devel@lists.xenproject.org; Thu, 12 Sep 2024 09:24:33 +0000 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2062d.outbound.protection.outlook.com [2a01:111:f400:7e88::62d]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id d1236f61-70e8-11ef-a0b5-8be0dac302b0; Thu, 12 Sep 2024 11:24:32 +0200 (CEST) Received: from BYAPR05CA0075.namprd05.prod.outlook.com (2603:10b6:a03:e0::16) by DM4PR12MB6423.namprd12.prod.outlook.com (2603:10b6:8:bd::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7962.17; Thu, 12 Sep 2024 09:24:25 +0000 Received: from CO1PEPF000044F0.namprd05.prod.outlook.com (2603:10b6:a03:e0:cafe::ad) by BYAPR05CA0075.outlook.office365.com (2603:10b6:a03:e0::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7939.24 via Frontend Transport; Thu, 12 Sep 2024 09:24:25 +0000 Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1PEPF000044F0.mail.protection.outlook.com (10.167.241.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7918.13 via Frontend Transport; Thu, 12 Sep 2024 09:24:25 +0000 Received: from cjq-desktop.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Thu, 12 Sep 2024 04:24:22 -0500 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: d1236f61-70e8-11ef-a0b5-8be0dac302b0 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=soF/7JbsPYs2FiECj6WzDRWVx8CW4G8CmveZIVeTw9g9zIQ919sqBvqF/ue2NZnZgkNjM2vBX/DvomeNWNlz5abA9x3eWR/ILdZaYMnNHSHt42ge62ElUHCgCWBziadrKeRWLZu4oiCfgK4fBEQOgAYvWbLMNzdmIAN6PFwMbGT3YU0MPftKgwGgaCaXBM/5nySykMCjPobr+08KN4cXVL6ZaZmjVowUWaoeQtPji/Do9slflCidzQDcJCsyRt+YGlFsdMH2fGKfciMnJ+zpQdB/qPgmT2f0MOm8O7evAwokxNrguRZRnkRE35ddw3TXeGNH5+531cZ843QiD82IvA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=VoRjaM5eHB5wA0PEqYUhMxGvKJWObMEd8EVOz5Lzs3k=; b=UFecN9xItaFZH+fSVIs/K7EHVy9jPEbo/+CKBrVX/MVAWmxRIHNzhcXoF/wO5/wCEDeLY0seFjV2jJ9hcPqp++h45+VOeOgRu0t1ueCsu1xvVB7DhU/wkSRnn5YausLisN7kOVmipYSSgq9ZzNDTlsZlAt9wiNuqm/cng+RPVGBL5QCKVBJuPd/rFP0STb7bzxQhWNzFG/4mrOjScKyp3qleMHcNhCSri+2ZT1bxrBB8fXOfHm3rXjnbMguGLOntdibOoVBVzS+Vq1UNRrmVlRQN7b7I9MD3jMSNs3gIMfJPbiHPSrzmy55RvIGWB0cqvWx91noCuw6L9oQnUb8djA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=suse.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VoRjaM5eHB5wA0PEqYUhMxGvKJWObMEd8EVOz5Lzs3k=; b=w6YTj2W/D5kduozQt5c7pURNhVL/LEE4Kg7HEqwdtJZDjELHysyaPkcUxn7DG8ZDU7sorDdLgLb7LdtvmDdRXh7Lp11IztLB1QOldz9xvxU7Po56dlTlvWcQVDyVxIHrmMa0TW10Ixzw8aHOFsxMYC0JM8izkmCBjSyfCeZJn9A= 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 (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; 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=SATLEXMB04.amd.com; pr=C From: Jiqian Chen To: Juergen Gross , Stefano Stabellini , Bjorn Helgaas , "Rafael J . Wysocki" CC: , , , , Jiqian Chen , Huang Rui Subject: [KERNEL PATCH v9 2/3] xen/pvh: Setup gsi for passthrough device Date: Thu, 12 Sep 2024 17:23:50 +0800 Message-ID: <20240912092352.1602724-3-Jiqian.Chen@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240912092352.1602724-1-Jiqian.Chen@amd.com> References: <20240912092352.1602724-1-Jiqian.Chen@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F0:EE_|DM4PR12MB6423:EE_ X-MS-Office365-Filtering-Correlation-Id: 8d4ca877-9c35-4470-0c2f-08dcd30cb1a2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?DcL9Jj+YqAGZLbISZFgvW5+WNbOD9b2Q3jbTBY4A9gIUWHLZDRRIFYBBT1zK?= =?us-ascii?Q?rXZs1e1O3JjX/8E+LVf4/Sa1g7CxIGI8TKl2QL0TOpteIuLxZI+AOViY2ToC?= =?us-ascii?Q?i5zL7YhvPbpfo92EqTBiIfSdN9tV5Rs8HxK5APZOSU9eUqhljPNaBLVKHcCP?= =?us-ascii?Q?BE4XmiuBsd6bR0icI9x1uKTGXe8UztTU1FjOJkTC81GugyecKPs5ZTdvWcXb?= =?us-ascii?Q?vUiyH/H61SO8zGpoqxSqUuvsHB13TlsLkZwBPPuyjI5rEIYGULr1am/T5Dq2?= =?us-ascii?Q?VdKcLb/Nmt8qmDtVYRIdt3wxlFOoW76kslcom7+FfvVKKVajfV2SUBtvin/5?= =?us-ascii?Q?/wDuwlO92ZFtU4lDfRc81UOt+PWoKCW4Yn3rBK4mEEZ9BpLbbi/foUH0/3pT?= =?us-ascii?Q?TVTPl50hENEuuVM+QpxSdNy2HkvkIlAm0KM84mlbIgSqcssD/SO2/Jpyepnf?= =?us-ascii?Q?SG/iQOYeJk2RPe/6HVxYWrYwU1uT5GCmKa5RVTnI137ntHgmAIMHuP/dmJQh?= =?us-ascii?Q?oOyUol9XYzbyLCOACdhk07D0Ybi6kijlnzov36yNdfhaD12huDEAJMFSz8ZS?= =?us-ascii?Q?sP7q3nsViyNiWeela5vTPkU2pItHYxQZ6f3lMw/AZxJlpdgnQfSoZn1hXVrT?= =?us-ascii?Q?kkYAfoIuR89V7bceOU2190eLUazXgZyb0d+iwhWs8G2LGgm50BqpjH6MYc/+?= =?us-ascii?Q?gTkVCuErN/Em2mjFxQpIynf00wKGrGSfpY1tTuKqQfhvg4rghtzhCvMJrwdy?= =?us-ascii?Q?POLYkZVbLa2VVQn8JKdZTnPfDknEeHisIKDtcY7/CMLBlf9UPk9tIQ6Inkm6?= =?us-ascii?Q?GzlpxeNOMLN8u/fwArvPBogEARSAZIA0dIEKhAxGthoKttGZUtX7lNni9MBx?= =?us-ascii?Q?opAu1sc8IH1AxXvvX13547BW7k8YfFU/IIExsJsC+wH/j+i1qqe0y9nNZYZH?= =?us-ascii?Q?No7M4S1EHLhzN12Fx6GNUeXwZIdCiHMzAtQSlmpA0PICxHOCveH4vKE4Gkuj?= =?us-ascii?Q?59R9AWhW90zhVMNsAaXMBZohidSGt3kpiD3ZDxVhg/oA0GBRfDSARqAlYEn8?= =?us-ascii?Q?69T04AIa5wy49FJTO7v4WouZdwIFOYYbIg9cZtmM8uM9u7cWeyYfayIwaKNt?= =?us-ascii?Q?1sknlsYH52VHnXslR8bH0pYty3QxmqzoOmzHkciRI8LAObI0v9SkRBsMas+n?= =?us-ascii?Q?ST+3J1EJqeGWeQ6UwWkrmhBaen8BU334PlSAe+Q2kYHWmrB7TfajWPcXryTQ?= =?us-ascii?Q?jqQ5Xg8lDcIwESrEd4GgVOUvlM7t7H5rUoiAyOTzQfeo/3BeV/oGJU552Hm3?= =?us-ascii?Q?CDAH3ETcWXyX+m0tbE5BvYVqUhB7O9w9Pkm7XwYwpRBD84ZzYpFOHsLSr2L+?= =?us-ascii?Q?xM7TeLtePNyt9O4lXg/lYot76gQx5CTDzQ57toSbK6XIuVh1gUYCLbEr5AtF?= =?us-ascii?Q?mVvY+Wn0LBE18Lq9z3o2c1bWH2Oz3iWb6nPCHONNpER6Hiw0Hae00g=3D=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Sep 2024 09:24:25.0523 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d4ca877-9c35-4470-0c2f-08dcd30cb1a2 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: CO1PEPF000044F0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6423 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1726133110851116600 Content-Type: text/plain; charset="utf-8" In PVH dom0, the gsis don't get registered, but the gsi of a passthrough device must be configured for it to be able to be mapped into a domU. When assigning a device to passthrough, proactively setup the gsi of the device during that process. Signed-off-by: Jiqian Chen Signed-off-by: Huang Rui Signed-off-by: Jiqian Chen Reviewed-by: Stefano Stabellini --- v8->v9 changes: Moved the calling of xen_acpi_get_gsi_info under check "if (xen_initial_dom= ain() && xen_pvh_domain())" to prevent it is called in PV dom0. Removed Reviewed-by of Stefano. v7->v8 changes: Used CONFIG_XEN_ACPI instead of CONFIG_ACPI to wrap codes. v6->v7 changes: Moved the implementation of function xen_acpi_get_gsi_info to file drivers/= xen/acpi.c, that modification is more convenient for the subsequent patch t= o obtain gsi. v5->v6 changes: No. v4->v5 changes: Added Reviewed-by of Stefano. v3->v4 changes: Removed map_pirq from xen_pvh_passthrough_gsi since let pvh calls map_pirq = here is not right. v2->v3 changes: Abandoned previous implementations that called unmask_irq, and change to do= setup_gsi and map_pirq for passthrough device in pcistub_init_device. --- | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202406090859.KW3eeESv-lkp@i= ntel.com/ --- | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202405172132.TazuVpPo-lkp@i= ntel.com/ --- arch/x86/xen/enlighten_pvh.c | 23 ++++++++++++++ drivers/acpi/pci_irq.c | 2 +- drivers/xen/acpi.c | 50 ++++++++++++++++++++++++++++++ drivers/xen/xen-pciback/pci_stub.c | 20 ++++++++++++ include/linux/acpi.h | 1 + include/xen/acpi.h | 18 +++++++++++ 6 files changed, 113 insertions(+), 1 deletion(-) diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 728a4366ca85..bf68c329fc01 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -4,6 +4,7 @@ #include =20 #include +#include =20 #include #include @@ -28,6 +29,28 @@ bool __ro_after_init xen_pvh; EXPORT_SYMBOL_GPL(xen_pvh); =20 +#ifdef CONFIG_XEN_DOM0 +int xen_pvh_setup_gsi(int gsi, int trigger, int polarity) +{ + int ret; + struct physdev_setup_gsi setup_gsi; + + setup_gsi.gsi =3D gsi; + setup_gsi.triggering =3D (trigger =3D=3D ACPI_EDGE_SENSITIVE ? 0 : 1); + setup_gsi.polarity =3D (polarity =3D=3D ACPI_ACTIVE_HIGH ? 0 : 1); + + ret =3D HYPERVISOR_physdev_op(PHYSDEVOP_setup_gsi, &setup_gsi); + if (ret =3D=3D -EEXIST) { + xen_raw_printk("Already setup the GSI :%d\n", gsi); + ret =3D 0; + } else if (ret) + xen_raw_printk("Fail to setup GSI (%d)!\n", gsi); + + return ret; +} +EXPORT_SYMBOL_GPL(xen_pvh_setup_gsi); +#endif + /* * Reserve e820 UNUSABLE regions to inflate the memory balloon. * diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index ff30ceca2203..630fe0a34bc6 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -288,7 +288,7 @@ static int acpi_reroute_boot_interrupt(struct pci_dev *= dev, } #endif /* CONFIG_X86_IO_APIC */ =20 -static struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int= pin) +struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin) { struct acpi_prt_entry *entry =3D NULL; struct pci_dev *bridge; diff --git a/drivers/xen/acpi.c b/drivers/xen/acpi.c index 6893c79fd2a1..9e2096524fbc 100644 --- a/drivers/xen/acpi.c +++ b/drivers/xen/acpi.c @@ -30,6 +30,7 @@ * IN THE SOFTWARE. */ =20 +#include #include #include #include @@ -75,3 +76,52 @@ int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_s= tate, return xen_acpi_notify_hypervisor_state(sleep_state, val_a, val_b, true); } + +struct acpi_prt_entry { + struct acpi_pci_id id; + u8 pin; + acpi_handle link; + u32 index; +}; + +int xen_acpi_get_gsi_info(struct pci_dev *dev, + int *gsi_out, + int *trigger_out, + int *polarity_out) +{ + int gsi; + u8 pin; + struct acpi_prt_entry *entry; + int trigger =3D ACPI_LEVEL_SENSITIVE; + int polarity =3D acpi_irq_model =3D=3D ACPI_IRQ_MODEL_GIC ? + ACPI_ACTIVE_HIGH : ACPI_ACTIVE_LOW; + + if (!dev || !gsi_out || !trigger_out || !polarity_out) + return -EINVAL; + + pin =3D dev->pin; + if (!pin) + return -EINVAL; + + entry =3D acpi_pci_irq_lookup(dev, pin); + if (entry) { + if (entry->link) + gsi =3D acpi_pci_link_allocate_irq(entry->link, + entry->index, + &trigger, &polarity, + NULL); + else + gsi =3D entry->index; + } else + gsi =3D -1; + + if (gsi < 0) + return -EINVAL; + + *gsi_out =3D gsi; + *trigger_out =3D trigger; + *polarity_out =3D polarity; + + return 0; +} +EXPORT_SYMBOL_GPL(xen_acpi_get_gsi_info); diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/p= ci_stub.c index 3e162c1753e2..8ce27333f54b 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -21,6 +21,9 @@ #include #include #include +#ifdef CONFIG_XEN_ACPI +#include +#endif #include #include #include "pciback.h" @@ -367,6 +370,9 @@ static int pcistub_match(struct pci_dev *dev) static int pcistub_init_device(struct pci_dev *dev) { struct xen_pcibk_dev_data *dev_data; +#ifdef CONFIG_XEN_ACPI + int gsi, trigger, polarity; +#endif int err =3D 0; =20 dev_dbg(&dev->dev, "initializing...\n"); @@ -435,6 +441,20 @@ static int pcistub_init_device(struct pci_dev *dev) goto config_release; pci_restore_state(dev); } + +#ifdef CONFIG_XEN_ACPI + if (xen_initial_domain() && xen_pvh_domain()) { + err =3D xen_acpi_get_gsi_info(dev, &gsi, &trigger, &polarity); + if (err) { + dev_err(&dev->dev, "Fail to get gsi info!\n"); + goto config_release; + } + err =3D xen_pvh_setup_gsi(gsi, trigger, polarity); + if (err) + goto config_release; + } +#endif + /* Now disable the device (this also ensures some private device * data is setup before we export) */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 0687a442fec7..02ded9f53a6b 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -362,6 +362,7 @@ void acpi_unregister_gsi (u32 gsi); =20 struct pci_dev; =20 +struct acpi_prt_entry *acpi_pci_irq_lookup(struct pci_dev *dev, int pin); int acpi_pci_irq_enable (struct pci_dev *dev); void acpi_penalize_isa_irq(int irq, int active); bool acpi_isa_irq_available(int irq); diff --git a/include/xen/acpi.h b/include/xen/acpi.h index b1e11863144d..3bcfe82d9078 100644 --- a/include/xen/acpi.h +++ b/include/xen/acpi.h @@ -67,10 +67,28 @@ static inline void xen_acpi_sleep_register(void) acpi_suspend_lowlevel =3D xen_acpi_suspend_lowlevel; } } +int xen_pvh_setup_gsi(int gsi, int trigger, int polarity); +int xen_acpi_get_gsi_info(struct pci_dev *dev, + int *gsi_out, + int *trigger_out, + int *polarity_out); #else static inline void xen_acpi_sleep_register(void) { } + +static inline int xen_pvh_setup_gsi(int gsi, int trigger, int polarity) +{ + return -1; +} + +static inline int xen_acpi_get_gsi_info(struct pci_dev *dev, + int *gsi_out, + int *trigger_out, + int *polarity_out) +{ + return -1; +} #endif =20 #endif /* _XEN_ACPI_H */ --=20 2.34.1