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[23.128.96.33]) by mx.google.com with ESMTPS id m68-20020a25d447000000b00d85adada1d4si3736069ybf.349.2023.10.27.10.03.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Oct 2023 10:03:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=EyF1pPWZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 2EE108039FE9; Fri, 27 Oct 2023 10:01:50 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345929AbjJ0RB3 (ORCPT + 25 others); Fri, 27 Oct 2023 13:01:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229454AbjJ0RB1 (ORCPT ); Fri, 27 Oct 2023 13:01:27 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2B4F128; Fri, 27 Oct 2023 10:01:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698426085; x=1729962085; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yddUC7fjOVq+Oh8ZZ68eE5QsYDbcq0+cPCy+eAgINMY=; b=EyF1pPWZ6xi9l5VH6oofbuU8bfaFrVqwl3m84/oo/PL/rFNKwPFIciW4 jgBZoa3TFz8J/2mM+6M/ItRnGGe4TI82vo5nXj2oY+izU7vAvTOXLpEVC l+dnY3lSG0UczjACI5jJyMICRHk5M+cbFt8Kz515SY6+6a2qU51umqpZM 6q5QokgloCs7hfaGxHdVLsaaDE8PPrupXNvxXg7Yuk9XbNg8HhsIyDTwi cwabtJ466gXtlaqFJJSGUlkX5DDgrM6HBkmokeLelvepK1f8DMDmGUyjp L9j1UHZ332JUVMlx8DeGcdKDnfxb8s/IAJ/UTFCSO9p9sXP/f8QKbiQU9 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10876"; a="611825" X-IronPort-AV: E=Sophos;i="6.03,256,1694761200"; d="scan'208";a="611825" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2023 10:01:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10876"; a="1090988143" X-IronPort-AV: E=Sophos;i="6.03,256,1694761200"; d="scan'208";a="1090988143" Received: from rchatre-ws.ostc.intel.com ([10.54.69.144]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2023 10:01:13 -0700 From: Reinette Chatre To: jgg@nvidia.com, yishaih@nvidia.com, shameerali.kolothum.thodi@huawei.com, kevin.tian@intel.com, alex.williamson@redhat.com Cc: kvm@vger.kernel.org, dave.jiang@intel.com, jing2.liu@intel.com, ashok.raj@intel.com, fenghua.yu@intel.com, tom.zanussi@linux.intel.com, reinette.chatre@intel.com, linux-kernel@vger.kernel.org, patches@lists.linux.dev Subject: [RFC PATCH V3 01/26] PCI/MSI: Provide stubs for IMS functions Date: Fri, 27 Oct 2023 10:00:33 -0700 Message-Id: <4752a2f147eae4683770ad71e0b01934588c2442.1698422237.git.reinette.chatre@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Fri, 27 Oct 2023 10:01:50 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780928941473470064 X-GMAIL-MSGID: 1780928941473470064 The IMS related functions (pci_create_ims_domain(), pci_ims_alloc_irq(), and pci_ims_free_irq()) are not declared when CONFIG_PCI_MSI is disabled. Provide definitions of these functions for use when callers are compiled with CONFIG_PCI_MSI disabled. Fixes: 0194425af0c8 ("PCI/MSI: Provide IMS (Interrupt Message Store) support") Fixes: c9e5bea27383 ("PCI/MSI: Provide pci_ims_alloc/free_irq()") Signed-off-by: Reinette Chatre Cc: stable@vger.kernel.org # v6.2+ --- Patch has been submitted separately and is queued for inclusion. https://lore.kernel.org/lkml/169757242009.3135.5502383859327174030.tip-bot2@tip-bot2/ It is included in this series in support of automated testing by bots picking series from this submission. include/linux/pci.h | 34 ++++++++++++++++++++++++++-------- 1 file changed, 26 insertions(+), 8 deletions(-) diff --git a/include/linux/pci.h b/include/linux/pci.h index 8c7c2c3c6c65..b56417276042 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1624,6 +1624,8 @@ struct msix_entry { u16 entry; /* Driver uses to specify entry, OS writes */ }; +struct msi_domain_template; + #ifdef CONFIG_PCI_MSI int pci_msi_vec_count(struct pci_dev *dev); void pci_disable_msi(struct pci_dev *dev); @@ -1656,6 +1658,11 @@ void pci_msix_free_irq(struct pci_dev *pdev, struct msi_map map); void pci_free_irq_vectors(struct pci_dev *dev); int pci_irq_vector(struct pci_dev *dev, unsigned int nr); const struct cpumask *pci_irq_get_affinity(struct pci_dev *pdev, int vec); +bool pci_create_ims_domain(struct pci_dev *pdev, const struct msi_domain_template *template, + unsigned int hwsize, void *data); +struct msi_map pci_ims_alloc_irq(struct pci_dev *pdev, union msi_instance_cookie *icookie, + const struct irq_affinity_desc *affdesc); +void pci_ims_free_irq(struct pci_dev *pdev, struct msi_map map); #else static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; } @@ -1719,6 +1726,25 @@ static inline const struct cpumask *pci_irq_get_affinity(struct pci_dev *pdev, { return cpu_possible_mask; } + +static inline bool pci_create_ims_domain(struct pci_dev *pdev, + const struct msi_domain_template *template, + unsigned int hwsize, void *data) +{ return false; } + +static inline struct msi_map pci_ims_alloc_irq(struct pci_dev *pdev, + union msi_instance_cookie *icookie, + const struct irq_affinity_desc *affdesc) +{ + struct msi_map map = { .index = -ENOSYS, }; + + return map; +} + +static inline void pci_ims_free_irq(struct pci_dev *pdev, struct msi_map map) +{ +} + #endif /** @@ -2616,14 +2642,6 @@ static inline bool pci_is_thunderbolt_attached(struct pci_dev *pdev) void pci_uevent_ers(struct pci_dev *pdev, enum pci_ers_result err_type); #endif -struct msi_domain_template; - -bool pci_create_ims_domain(struct pci_dev *pdev, const struct msi_domain_template *template, - unsigned int hwsize, void *data); -struct msi_map pci_ims_alloc_irq(struct pci_dev *pdev, union msi_instance_cookie *icookie, - const struct irq_affinity_desc *affdesc); -void pci_ims_free_irq(struct pci_dev *pdev, struct msi_map map); - #include #define pci_printk(level, pdev, fmt, arg...) \