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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 1757BC07E95 for ; Tue, 20 Jul 2021 13:59:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CED2A61164 for ; Tue, 20 Jul 2021 13:59:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238713AbhGTNSX (ORCPT ); Tue, 20 Jul 2021 09:18:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239056AbhGTNGg (ORCPT ); Tue, 20 Jul 2021 09:06:36 -0400 Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46772C0613E8; Tue, 20 Jul 2021 06:46:40 -0700 (PDT) Received: by mail-io1-xd33.google.com with SMTP id x10so23986966ion.9; Tue, 20 Jul 2021 06:46:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=thGMbJJZ1ZuhHFpa40ihsNvSFL+Lp/KJuygOWQUDDHk=; b=B3jHVJ684EyY62l1Ktt/FYbeUJEkstzc7G/JT+14006HJWgNy0Eplk1QYcQ7uxfakk ekgx71Q0/MMAxxhPeJs0dNkfgIvv/qRKQOo+VZoUwnPFviSWaGhBXDkcNjNczTQm49IB 3i4KLR2/rZqRUFhc0AnjjXmtCelN0ppTvKvS9ev8TcwFiPtNIwPo6pf+EL2ncTTHsh6M 4IpmBk8cTeiGM0i64WQled86nIixLTcvz6BOoSHmXTbMa5yxZBz4JITs81dZUdSesYNz QnxIbETLqIZZA0RJ9K1pf6ZzfR+bXwXCau8bAvs/JlGnsX5WSh4dCngSfe1w8DjrcYNY F+Tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=thGMbJJZ1ZuhHFpa40ihsNvSFL+Lp/KJuygOWQUDDHk=; b=WJeCWVmk27+kUqaEyIUJNuzPLUvD9JXRfSklnIZU+i6QhjepAl9NugaCjNqES9H1m5 WSKpq8ytzd6fOtWDeri2lYBUL8f8TrrliVwFSqJ55LLYvrOAwLpQWLVBD9BhjcMyctW3 ThlZoAFGHd6GGgpWAuP7iFA3PcM+QjlXlUF28mqXwTzmeDo9Qi545xIxLi2hlUcnQ0x9 NYfgt7TTSaNoIrjvGAZRnMa2z8y1kOE6WJVV82D4rznakQQchHjq+GK7nmN9FbkoEoaj LTPZ7XbyCC6tjVvvrckNnECHb09XCQhYPFQByoWNq4OoNn0CXMGh+zCmZHONNpdiPRsF /YwA== X-Gm-Message-State: AOAM5327rm+2nCrs1Ei9Y6r/CT4yc8yANWIbJN60i576GMrTTWmmeAcH KsXqAVw7Ziax+xneXyGvEEQ= X-Google-Smtp-Source: ABdhPJylVA1+R92dqNID8oGrh4/2MwKva9nl457AalJWCWLlYBql922UKD7Zb3NtxRxWBMC+x8Yluw== X-Received: by 2002:a02:cc19:: with SMTP id n25mr26570131jap.140.1626788800118; Tue, 20 Jul 2021 06:46:40 -0700 (PDT) Received: from auth2-smtp.messagingengine.com (auth2-smtp.messagingengine.com. [66.111.4.228]) by smtp.gmail.com with ESMTPSA id t24sm12665726ioh.24.2021.07.20.06.46.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jul 2021 06:46:39 -0700 (PDT) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailauth.nyi.internal (Postfix) with ESMTP id BD11D27C005A; Tue, 20 Jul 2021 09:46:38 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 20 Jul 2021 09:46:38 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrfedvgdeikecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepuehoqhhunhcu hfgvnhhguceosghoqhhunhdrfhgvnhhgsehgmhgrihhlrdgtohhmqeenucggtffrrghtth gvrhhnpeehvdevteefgfeiudettdefvedvvdelkeejueffffelgeeuhffhjeetkeeiueeu leenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepmhgrihhlfhhrohhmpegsoh hquhhnodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdeiledvgeehtdeigedq udejjeekheehhedvqdgsohhquhhnrdhfvghngheppehgmhgrihhlrdgtohhmsehfihigmh gvrdhnrghmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 20 Jul 2021 09:46:38 -0400 (EDT) From: Boqun Feng To: Bjorn Helgaas , Arnd Bergmann , Marc Zyngier Cc: Catalin Marinas , Will Deacon , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Lorenzo Pieralisi , Rob Herring , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Boqun Feng , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, Sunil Muthuswamy , Mike Rapoport Subject: [RFC v5 7/8] PCI: hv: Set up MSI domain at bridge probing time Date: Tue, 20 Jul 2021 21:44:28 +0800 Message-Id: <20210720134429.511541-8-boqun.feng@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210720134429.511541-1-boqun.feng@gmail.com> References: <20210720134429.511541-1-boqun.feng@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since PCI_HYPERV depends on PCI_MSI_IRQ_DOMAIN which selects GENERIC_MSI_IRQ_DOMAIN, we can use dev_set_msi_domain() to set up the MSI domain at probing time, and this works for both x86 and ARM64. Therefore use it as the preparation for ARM64 Hyper-V PCI support. As a result, no longer need to maintain ->fwnode in x86 specific pci_sysdata, and make hv_pcibus_device own it instead. Signed-off-by: Boqun Feng --- drivers/pci/controller/pci-hyperv.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 5741b1dd3c14..e6276aaa4659 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -450,6 +450,7 @@ enum hv_pcibus_state { struct hv_pcibus_device { struct pci_sysdata sysdata; struct pci_host_bridge *bridge; + struct fwnode_handle *fwnode; /* Protocol version negotiated with the host */ enum pci_protocol_version_t protocol_version; enum hv_pcibus_state state; @@ -1565,7 +1566,7 @@ static int hv_pcie_init_irq_domain(struct hv_pcibus_device *hbus) hbus->msi_info.handler = handle_edge_irq; hbus->msi_info.handler_name = "edge"; hbus->msi_info.data = hbus; - hbus->irq_domain = pci_msi_create_irq_domain(hbus->sysdata.fwnode, + hbus->irq_domain = pci_msi_create_irq_domain(hbus->fwnode, &hbus->msi_info, x86_vector_domain); if (!hbus->irq_domain) { @@ -1574,6 +1575,8 @@ static int hv_pcie_init_irq_domain(struct hv_pcibus_device *hbus) return -ENODEV; } + dev_set_msi_domain(&hbus->bridge->dev, hbus->irq_domain); + return 0; } @@ -3118,9 +3121,9 @@ static int hv_pci_probe(struct hv_device *hdev, goto unmap; } - hbus->sysdata.fwnode = irq_domain_alloc_named_fwnode(name); + hbus->fwnode = irq_domain_alloc_named_fwnode(name); kfree(name); - if (!hbus->sysdata.fwnode) { + if (!hbus->fwnode) { ret = -ENOMEM; goto unmap; } @@ -3198,7 +3201,7 @@ static int hv_pci_probe(struct hv_device *hdev, free_irq_domain: irq_domain_remove(hbus->irq_domain); free_fwnode: - irq_domain_free_fwnode(hbus->sysdata.fwnode); + irq_domain_free_fwnode(hbus->fwnode); unmap: iounmap(hbus->cfg_addr); free_config: @@ -3314,7 +3317,7 @@ static int hv_pci_remove(struct hv_device *hdev) hv_free_config_window(hbus); hv_pci_free_bridge_windows(hbus); irq_domain_remove(hbus->irq_domain); - irq_domain_free_fwnode(hbus->sysdata.fwnode); + irq_domain_free_fwnode(hbus->fwnode); hv_put_dom_num(hbus->bridge->domain_nr); -- 2.30.2 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 706EAC07E9B for ; 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[66.111.4.228]) by smtp.gmail.com with ESMTPSA id t24sm12665726ioh.24.2021.07.20.06.46.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Jul 2021 06:46:39 -0700 (PDT) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailauth.nyi.internal (Postfix) with ESMTP id BD11D27C005A; Tue, 20 Jul 2021 09:46:38 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 20 Jul 2021 09:46:38 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvtddrfedvgdeikecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepuehoqhhunhcu hfgvnhhguceosghoqhhunhdrfhgvnhhgsehgmhgrihhlrdgtohhmqeenucggtffrrghtth gvrhhnpeehvdevteefgfeiudettdefvedvvdelkeejueffffelgeeuhffhjeetkeeiueeu leenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepmhgrihhlfhhrohhmpegsoh hquhhnodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdeiledvgeehtdeigedq udejjeekheehhedvqdgsohhquhhnrdhfvghngheppehgmhgrihhlrdgtohhmsehfihigmh gvrdhnrghmvg X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 20 Jul 2021 09:46:38 -0400 (EDT) From: Boqun Feng To: Bjorn Helgaas , Arnd Bergmann , Marc Zyngier Cc: Catalin Marinas , Will Deacon , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Lorenzo Pieralisi , Rob Herring , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Boqun Feng , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, Sunil Muthuswamy , Mike Rapoport Subject: [RFC v5 7/8] PCI: hv: Set up MSI domain at bridge probing time Date: Tue, 20 Jul 2021 21:44:28 +0800 Message-Id: <20210720134429.511541-8-boqun.feng@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210720134429.511541-1-boqun.feng@gmail.com> References: <20210720134429.511541-1-boqun.feng@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210720_064640_968718_EEB108C8 X-CRM114-Status: GOOD ( 15.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Since PCI_HYPERV depends on PCI_MSI_IRQ_DOMAIN which selects GENERIC_MSI_IRQ_DOMAIN, we can use dev_set_msi_domain() to set up the MSI domain at probing time, and this works for both x86 and ARM64. Therefore use it as the preparation for ARM64 Hyper-V PCI support. As a result, no longer need to maintain ->fwnode in x86 specific pci_sysdata, and make hv_pcibus_device own it instead. Signed-off-by: Boqun Feng --- drivers/pci/controller/pci-hyperv.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 5741b1dd3c14..e6276aaa4659 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -450,6 +450,7 @@ enum hv_pcibus_state { struct hv_pcibus_device { struct pci_sysdata sysdata; struct pci_host_bridge *bridge; + struct fwnode_handle *fwnode; /* Protocol version negotiated with the host */ enum pci_protocol_version_t protocol_version; enum hv_pcibus_state state; @@ -1565,7 +1566,7 @@ static int hv_pcie_init_irq_domain(struct hv_pcibus_device *hbus) hbus->msi_info.handler = handle_edge_irq; hbus->msi_info.handler_name = "edge"; hbus->msi_info.data = hbus; - hbus->irq_domain = pci_msi_create_irq_domain(hbus->sysdata.fwnode, + hbus->irq_domain = pci_msi_create_irq_domain(hbus->fwnode, &hbus->msi_info, x86_vector_domain); if (!hbus->irq_domain) { @@ -1574,6 +1575,8 @@ static int hv_pcie_init_irq_domain(struct hv_pcibus_device *hbus) return -ENODEV; } + dev_set_msi_domain(&hbus->bridge->dev, hbus->irq_domain); + return 0; } @@ -3118,9 +3121,9 @@ static int hv_pci_probe(struct hv_device *hdev, goto unmap; } - hbus->sysdata.fwnode = irq_domain_alloc_named_fwnode(name); + hbus->fwnode = irq_domain_alloc_named_fwnode(name); kfree(name); - if (!hbus->sysdata.fwnode) { + if (!hbus->fwnode) { ret = -ENOMEM; goto unmap; } @@ -3198,7 +3201,7 @@ static int hv_pci_probe(struct hv_device *hdev, free_irq_domain: irq_domain_remove(hbus->irq_domain); free_fwnode: - irq_domain_free_fwnode(hbus->sysdata.fwnode); + irq_domain_free_fwnode(hbus->fwnode); unmap: iounmap(hbus->cfg_addr); free_config: @@ -3314,7 +3317,7 @@ static int hv_pci_remove(struct hv_device *hdev) hv_free_config_window(hbus); hv_pci_free_bridge_windows(hbus); irq_domain_remove(hbus->irq_domain); - irq_domain_free_fwnode(hbus->sysdata.fwnode); + irq_domain_free_fwnode(hbus->fwnode); hv_put_dom_num(hbus->bridge->domain_nr); -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel