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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CCA8C54FB9 for ; Wed, 15 Nov 2023 19:34:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234296AbjKOTe2 (ORCPT ); Wed, 15 Nov 2023 14:34:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234339AbjKOTe1 (ORCPT ); Wed, 15 Nov 2023 14:34:27 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB2DB1AD for ; Wed, 15 Nov 2023 11:34:23 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44D17C433C9; Wed, 15 Nov 2023 19:34:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700076863; bh=g+7NOATQzlSPv6IUjbzkLDiGG74OP3IZPMmxztgLypU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cfQ0fsrtsApA6m2a9x78I/kcM3l9lHzWbf80KXwgwwFTvpnKjKHXLw8ygPg9fYU+4 a83+eWQqiYYRl7p4Ot8k3u7yMfJHdRCHVXTKsxLEl+VFoz+UKVt0XM5+syGAh2YCZf J4K89p04FnLKHBbeLK7iSpyVWsp7p8Lyd1AoBFy4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Reinette Chatre , Thomas Gleixner , Sasha Levin Subject: [PATCH 6.6 032/603] PCI/MSI: Provide stubs for IMS functions Date: Wed, 15 Nov 2023 14:09:37 -0500 Message-ID: <20231115191615.416155319@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115191613.097702445@linuxfoundation.org> References: <20231115191613.097702445@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Reinette Chatre [ Upstream commit 41efa431244f6498833ff8ee8dde28c4924c5479 ] 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 Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/14ff656899a3757453f8584c1109d7a9b98fa258.1697564731.git.reinette.chatre@intel.com Signed-off-by: Sasha Levin --- 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 8c7c2c3c6c652..b56417276042d 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...) \ -- 2.42.0