From patchwork Wed Apr 5 08:52:38 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: 96893 Delivered-To: patch@linaro.org Received: by 10.140.89.233 with SMTP id v96csp330934qgd; Wed, 5 Apr 2017 09:02:02 -0700 (PDT) X-Received: by 10.98.21.23 with SMTP id 23mr29240764pfv.113.1491408122070; Wed, 05 Apr 2017 09:02:02 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j29si20990623pgn.377.2017.04.05.09.02.01; Wed, 05 Apr 2017 09:02:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754779AbdDEIzE (ORCPT + 14 others); Wed, 5 Apr 2017 04:55:04 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:61350 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753515AbdDEIyk (ORCPT ); Wed, 5 Apr 2017 04:54:40 -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 v358s9hn011528; Wed, 5 Apr 2017 03:54:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1491382450; bh=3Xi6s9KCkbiabbWqer/M6rphfeMaeLQ6EfgSqql/B4o=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ojS9mLg6q83Y5nVkYaymCya4FD42WanxVuE0fBvIiIZGdPUql0fEmSSPFzEIplMMH hDe39O5UAa+/usUnXuXYvjhF3ioV/ItK1T3AnnKj1Z5POlMnHPCbZeDjGKvSChRJEw GV43tZR6FJzuFy+xeqc44I6qxMqsRreNnOlDsky0= Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v358s9qK007023; Wed, 5 Apr 2017 03:54:09 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.294.0; Wed, 5 Apr 2017 03:54:08 -0500 Received: from a0393678ub.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v358qrhv012909; Wed, 5 Apr 2017 03:54:06 -0500 From: Kishon Vijay Abraham I To: Bjorn Helgaas , Joao Pinto , , , , , , CC: , , Subject: [PATCH v6 18/23] Documentation: misc-devices: Add Documentation for pci-endpoint-test driver Date: Wed, 5 Apr 2017 14:22:38 +0530 Message-ID: <20170405085243.18123-19-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170405085243.18123-1-kishon@ti.com> References: <20170405085243.18123-1-kishon@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add Documentation for pci-endpoint-test driver. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Bjorn Helgaas --- Documentation/misc-devices/pci-endpoint-test.txt | 35 ++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/misc-devices/pci-endpoint-test.txt -- 2.11.0 diff --git a/Documentation/misc-devices/pci-endpoint-test.txt b/Documentation/misc-devices/pci-endpoint-test.txt new file mode 100644 index 000000000000..4ebc3594b32c --- /dev/null +++ b/Documentation/misc-devices/pci-endpoint-test.txt @@ -0,0 +1,35 @@ +Driver for PCI Endpoint Test Function + +This driver should be used as a host side driver if the root complex is +connected to a configurable PCI endpoint running *pci_epf_test* function +driver configured according to [1]. + +The "pci_endpoint_test" driver can be used to perform the following tests. + +The PCI driver for the test device performs the following tests + *) verifying addresses programmed in BAR + *) raise legacy IRQ + *) raise MSI IRQ + *) read data + *) write data + *) copy data + +This misc driver creates /dev/pci-endpoint-test. for every +*pci_epf_test* function connected to the root complex and "ioctls" +should be used to perform the above tests. + +ioctl +----- + PCITEST_BAR: Tests the BAR. The number of the BAR to be tested + should be passed as argument. + PCITEST_LEGACY_IRQ: Tests legacy IRQ + PCITEST_MSI: Tests message signalled interrupts. The MSI number + to be tested should be passed as argument. + PCITEST_WRITE: Perform write tests. The size of the buffer should be passed + as argument. + PCITEST_READ: Perform read tests. The size of the buffer should be passed + as argument. + PCITEST_COPY: Perform read tests. The size of the buffer should be passed + as argument. + +[1] -> Documentation/PCI/endpoint/function/binding/pci-test.txt