From patchwork Tue Jul 30 16:35:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Gunthorpe X-Patchwork-Id: 11066163 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4A16A112C for ; Tue, 30 Jul 2019 16:37:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C4C3232A7 for ; Tue, 30 Jul 2019 16:37:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 308C428796; Tue, 30 Jul 2019 16:37:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E14032878F for ; Tue, 30 Jul 2019 16:37:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730055AbfG3Qgx (ORCPT ); Tue, 30 Jul 2019 12:36:53 -0400 Received: from ale.deltatee.com ([207.54.116.67]:34182 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729355AbfG3QgH (ORCPT ); Tue, 30 Jul 2019 12:36:07 -0400 Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hsV6V-0003yA-5k; Tue, 30 Jul 2019 10:36:06 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.89) (envelope-from ) id 1hsV6R-0001II-98; Tue, 30 Jul 2019 10:35:55 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org Cc: Bjorn Helgaas , Christoph Hellwig , Christian Koenig , Jason Gunthorpe , Sagi Grimberg , Keith Busch , Jens Axboe , Dan Williams , Eric Pilmore , Stephen Bates , Logan Gunthorpe Date: Tue, 30 Jul 2019 10:35:33 -0600 Message-Id: <20190730163545.4915-3-logang@deltatee.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190730163545.4915-1-logang@deltatee.com> References: <20190730163545.4915-1-logang@deltatee.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org, bhelgaas@google.com, hch@lst.de, Christian.Koenig@amd.com, jgg@mellanox.com, sagi@grimberg.me, kbusch@kernel.org, axboe@fb.com, dan.j.williams@intel.com, epilmore@gigaio.com, sbates@raithlin.com, logang@deltatee.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v2 02/14] PCI/P2PDMA: Add the provider's pci_dev to the pci_p2pdma_pagemap struct X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The provider will be needed to figure out how to properly map a device. Signed-off-by: Logan Gunthorpe --- drivers/pci/p2pdma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 03e9c887bdfb..93fbda14f4a9 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -27,6 +27,7 @@ struct pci_p2pdma { struct pci_p2pdma_pagemap { struct dev_pagemap pgmap; + struct pci_dev *provider; u64 bus_offset; }; @@ -178,6 +179,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size, pgmap->res.flags = pci_resource_flags(pdev, bar); pgmap->type = MEMORY_DEVICE_PCI_P2PDMA; + p2p_pgmap->provider = pdev; p2p_pgmap->bus_offset = pci_bus_address(pdev, bar) - pci_resource_start(pdev, bar);