From patchwork Mon Mar 13 14:22:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 9621177 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 433DF604A9 for ; Mon, 13 Mar 2017 14:31:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3566C26E54 for ; Mon, 13 Mar 2017 14:31:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2A0B2279B3; Mon, 13 Mar 2017 14:31:46 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 0322426E54 for ; Mon, 13 Mar 2017 14:31:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753760AbdCMOav (ORCPT ); Mon, 13 Mar 2017 10:30:51 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:37111 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752860AbdCMOYN (ORCPT ); Mon, 13 Mar 2017 10:24:13 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx193.ext.ti.com (8.15.1/8.15.1) with ESMTP id v2DENRLE031430; Mon, 13 Mar 2017 09:23:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1489415007; bh=RQi2ViS0O9xWWV2p4gV6eBqlcjVEndl0mMpLWasybFs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ZUoFJPD4sxLY209+YGvaI5oq1caXG/N+yEKO4qzQkG1XNzdgj0mmfUD9JyYnoYGPS kh4XYj2ej+1rMaTJpiYt1BJDtdDOWmwWfPrlmC1CZ2qS6etjnLJNMcqBtBr9jKHbqL dBRhrx/sBAnlt4X9R4CectO2HXUhMtnSnL+Mc37Q= Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2DENRAK003569; Mon, 13 Mar 2017 09:23:27 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Mon, 13 Mar 2017 09:23:27 -0500 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v2DEN3eL003368; Mon, 13 Mar 2017 09:23:23 -0500 From: Kishon Vijay Abraham I To: Bjorn Helgaas , Joao Pinto , , , , , , CC: , , Subject: [PATCH v4 05/23] PCI: endpoint: Create configfs entry for EPC device and EPF driver Date: Mon, 13 Mar 2017 19:52:41 +0530 Message-ID: <20170313142259.25397-6-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170313142259.25397-1-kishon@ti.com> References: <20170313142259.25397-1-kishon@ti.com> MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Invoke API's provided by pci-ep-cfs to create configfs entry for every EPC device and EPF driver to help users in creating EPF device and binding the EPF device to the EPC device. Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/endpoint/pci-epc-core.c | 4 ++++ drivers/pci/endpoint/pci-epf-core.c | 4 ++++ include/linux/pci-epc.h | 2 ++ include/linux/pci-epf.h | 2 ++ 4 files changed, 12 insertions(+) diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index 06808ed7ee1f..29cbe9a73b30 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -24,6 +24,7 @@ #include #include +#include static struct class *pci_epc_class; @@ -441,6 +442,7 @@ EXPORT_SYMBOL_GPL(pci_epc_linkup); */ void pci_epc_destroy(struct pci_epc *epc) { + pci_ep_cfs_remove_epc_group(epc->group); device_unregister(&epc->dev); kfree(epc); } @@ -507,6 +509,8 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, if (ret) goto put_dev; + epc->group = pci_ep_cfs_add_epc_group(dev_name(dev)); + return epc; put_dev: diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c index 4c903fc1cd30..9ec1639ef749 100644 --- a/drivers/pci/endpoint/pci-epf-core.c +++ b/drivers/pci/endpoint/pci-epf-core.c @@ -24,6 +24,7 @@ #include #include +#include static struct bus_type pci_epf_bus_type; static struct device_type pci_epf_type; @@ -143,6 +144,7 @@ EXPORT_SYMBOL_GPL(pci_epf_alloc_space); */ void pci_epf_unregister_driver(struct pci_epf_driver *driver) { + pci_ep_cfs_remove_epf_group(driver->group); driver_unregister(&driver->driver); } EXPORT_SYMBOL_GPL(pci_epf_unregister_driver); @@ -172,6 +174,8 @@ int __pci_epf_register_driver(struct pci_epf_driver *driver, if (ret) return ret; + driver->group = pci_ep_cfs_add_epf_group(driver->driver.name); + return 0; } EXPORT_SYMBOL_GPL(__pci_epf_register_driver); diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index ad0cd465737e..d6eb32291462 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -77,6 +77,7 @@ struct pci_epc_mem { * @ops: function pointers for performing endpoint operations * @mem: address space of the endpoint controller * @max_functions: max number of functions that can be configured in this EPC + * @group: configfs group representing the PCI EPC device * @lock: spinlock to protect pci_epc ops */ struct pci_epc { @@ -85,6 +86,7 @@ struct pci_epc { const struct pci_epc_ops *ops; struct pci_epc_mem *mem; u8 max_functions; + struct config_group *group; /* spinlock to protect against concurrent access of EP controller */ spinlock_t lock; }; diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 54f133868a6e..5ff2c5a592c3 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -82,6 +82,7 @@ struct pci_epf_ops { * @driver: PCI EPF driver * @ops: set of function pointers for performing EPF operations * @owner: the owner of the module that registers the PCI EPF driver + * @group: configfs group corresponding to the PCI EPF driver * @id_table: identifies EPF devices for probing */ struct pci_epf_driver { @@ -91,6 +92,7 @@ struct pci_epf_driver { struct device_driver driver; struct pci_epf_ops *ops; struct module *owner; + struct config_group *group; const struct pci_epf_device_id *id_table; };