From patchwork Wed Jul 26 15:08:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Xiaoxu X-Patchwork-Id: 706947 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B562DC001DC for ; Wed, 26 Jul 2023 07:14:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232388AbjGZHOk (ORCPT ); Wed, 26 Jul 2023 03:14:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232101AbjGZHOM (ORCPT ); Wed, 26 Jul 2023 03:14:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A99B52722; Wed, 26 Jul 2023 00:10:32 -0700 (PDT) Received: from dggpeml100024.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4R9lQ72P5WzrSBn; Wed, 26 Jul 2023 15:09:35 +0800 (CST) Received: from china (10.175.101.107) by dggpeml100024.china.huawei.com (7.185.36.115) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 26 Jul 2023 15:10:28 +0800 From: Zhang Xiaoxu To: , , , CC: , , , Subject: [PATCH v2 -next 0/3] spi: Introduce BPF based SPI mockup controller Date: Wed, 26 Jul 2023 15:08:46 +0000 Message-ID: <20230726150849.28407-1-zhangxiaoxu5@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.175.101.107] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml100024.china.huawei.com (7.185.36.115) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org This series Introduce a BPF based SPI mockup controller, which can be used for testing SPI drivers without real device. The testsuite for SPI drivers will be post in other series, with also support for I2C and PCI bus device drivers. patch 1-2 introduce BPF based SPI mockup controller patch 3 add the document v1->v2: Use the new _controller() API P1. Move the license identifier to the entrie comment P2. Inherit tx_nbits/rx_nbits/cs_off/cs_change from the spi_transfer to the tracepoint P3. Removed. P4. Update the Document. Wei Yongjun (3): spi: mockup: Add SPI controller testing driver spi: mockup: Add writeable tracepoint for spi transfer spi: mockup: Add documentation Documentation/spi/index.rst | 1 + Documentation/spi/spi-mockup.rst | 174 ++++++++++++++++++++ drivers/spi/Kconfig | 13 ++ drivers/spi/Makefile | 1 + drivers/spi/spi-mockup.c | 260 ++++++++++++++++++++++++++++++ include/linux/spi/spi-mockup.h | 17 ++ include/trace/events/spi_mockup.h | 31 ++++ 7 files changed, 497 insertions(+) create mode 100644 Documentation/spi/spi-mockup.rst create mode 100644 drivers/spi/spi-mockup.c create mode 100644 include/linux/spi/spi-mockup.h create mode 100644 include/trace/events/spi_mockup.h