From patchwork Mon Jul 22 23:08:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Gunthorpe X-Patchwork-Id: 11053641 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 C95CF112C for ; Mon, 22 Jul 2019 23:10:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BAB21274D0 for ; Mon, 22 Jul 2019 23:10:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A42B822A2A; Mon, 22 Jul 2019 23:10:01 +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 5861D22A2A for ; Mon, 22 Jul 2019 23:10:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733289AbfGVXJP (ORCPT ); Mon, 22 Jul 2019 19:09:15 -0400 Received: from ale.deltatee.com ([207.54.116.67]:40290 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733236AbfGVXJP (ORCPT ); Mon, 22 Jul 2019 19:09:15 -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 1hphQb-0002k1-Dk; Mon, 22 Jul 2019 17:09:14 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.89) (envelope-from ) id 1hphQV-0001Qw-TY; Mon, 22 Jul 2019 17:09:03 -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: Mon, 22 Jul 2019 17:08:52 -0600 Message-Id: <20190722230859.5436-8-logang@deltatee.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190722230859.5436-1-logang@deltatee.com> References: <20190722230859.5436-1-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 07/14] PCI/P2PDMA: Add the provider's pci_dev to the dev_pgmap 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 | 1 + include/linux/memremap.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 143e11d2a5c3..70c262b7c731 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -168,6 +168,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size, pgmap->res.end = pgmap->res.start + size - 1; pgmap->res.flags = pci_resource_flags(pdev, bar); pgmap->type = MEMORY_DEVICE_PCI_P2PDMA; + pgmap->pci_p2pdma_provider = pdev; pgmap->pci_p2pdma_bus_offset = pci_bus_address(pdev, bar) - pci_resource_start(pdev, bar); diff --git a/include/linux/memremap.h b/include/linux/memremap.h index f8a5b2a19945..91aee61796bc 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -112,6 +112,7 @@ struct dev_pagemap { struct device *dev; enum memory_type type; unsigned int flags; + struct pci_dev *pci_p2pdma_provider; u64 pci_p2pdma_bus_offset; const struct dev_pagemap_ops *ops; };