From patchwork Fri Aug 16 00:09:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Branden X-Patchwork-Id: 11096635 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 7683356FF for ; Fri, 16 Aug 2019 00:10:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 670852891B for ; Fri, 16 Aug 2019 00:10:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5AA56289AF; Fri, 16 Aug 2019 00:10:14 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham 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 D241A2891B for ; Fri, 16 Aug 2019 00:10:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726298AbfHPAJ5 (ORCPT ); Thu, 15 Aug 2019 20:09:57 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43879 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726295AbfHPAJ5 (ORCPT ); Thu, 15 Aug 2019 20:09:57 -0400 Received: by mail-pg1-f194.google.com with SMTP id k3so2012100pgb.10 for ; Thu, 15 Aug 2019 17:09:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QdO+KVP1+sss46fGBNGuzASBMGiLUw4LDdShHVqVS8g=; b=SiGOxa4oChRUrJQDP/9WW9hEK3Q7GEDfzQioPwOA4DoanEr7H9XLhn3g4CCzTNjEbR QKg7ZhjgONqSMIffm8B2BmBOv+ICZjEv1O+9dICsOZiFfZgsi7r2pt9T/FS9S9tMq+Tf 4aOvx45ebDQyuYGew9Aw/jjLKO8/yufhC6IuI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=QdO+KVP1+sss46fGBNGuzASBMGiLUw4LDdShHVqVS8g=; b=SVNpL02f7f4hKRHzkPF4G2xxAnqq09mayPMF/hLBIpFdk2l49JYRjJQ4tmFw3gv4/U EFMO8caPloGqcf7izNIvBnJVQ7dZ00qc82t2ljXUQcS6C7/nMCo1OHoAYDbrBsBNjKLM ffxzSXOlSRfRcZkkaM96HwhAxQI+TZV2FGr9ZPqEJp8hOzy0SZBJk9hvmmgqPRSVpLR0 LHU0hDrZGrIH7bMvJFhNUrisPAnrK73Uh9HkywdmKXOn8L4/SLOet9mRkEPvOvoluZeN vN8heW2jXqTuy7/+VAl6zA43fbTG/p7cH8p81LtNB4qAgCXyObr2EyzGLh1mH9rPaJIj PtgA== X-Gm-Message-State: APjAAAWCVKpK++Er4dMTOHXYUVh0NVdlfNhIzfT3fDkqeORr8JlFAYwx DbysmCKibl48jNUJS/rk39fQNQ== X-Google-Smtp-Source: APXvYqybWBOdTqtForqqs5AXfctJmFJuGpFhCmJcKMASp2u0bNvd1fYKk9MUyCUmcumZ7pokMfTldg== X-Received: by 2002:aa7:97aa:: with SMTP id d10mr8052048pfq.176.1565914196045; Thu, 15 Aug 2019 17:09:56 -0700 (PDT) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id g2sm4056916pfi.26.2019.08.15.17.09.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2019 17:09:55 -0700 (PDT) From: Scott Branden To: Luis Chamberlain , Greg Kroah-Hartman , Andy Gross , David Brown , Alexander Viro , Shuah Khan , bjorn.andersson@linaro.org Cc: "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-fsdevel@vger.kernel.org, BCM Kernel Feedback , Olof Johansson , Andrew Morton , Dan Carpenter , Colin Ian King , Kees Cook , Takashi Iwai , linux-kselftest@vger.kernel.org, Scott Branden Subject: [PATCH 1/3] test_firmware: add support for request_firmware_into_buf Date: Thu, 15 Aug 2019 17:09:43 -0700 Message-Id: <20190816000945.29810-2-scott.branden@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190816000945.29810-1-scott.branden@broadcom.com> References: <20190816000945.29810-1-scott.branden@broadcom.com> Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add test config into_buf to allow request_firmware_into_buf to be called instead of request_firmware/request_firmware_direct. The number of parameters differ calling request_firmware_into_buf and support has not been added to test such api in test_firmware until now. Signed-off-by: Scott Branden Acked-by: Luis Chamberlain Acked-by: Shuah Khan --- lib/test_firmware.c | 50 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 48 insertions(+), 2 deletions(-) diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 6ca97a63b3d6..1aa430228ae6 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -26,6 +27,7 @@ #define TEST_FIRMWARE_NAME "test-firmware.bin" #define TEST_FIRMWARE_NUM_REQS 4 +#define TEST_FIRMWARE_BUF_SIZE SZ_1K static DEFINE_MUTEX(test_fw_mutex); static const struct firmware *test_firmware; @@ -45,6 +47,8 @@ struct test_batched_req { * test_config - represents configuration for the test for different triggers * * @name: the name of the firmware file to look for + * @into_buf: when the into_buf is used if this is true + * request_firmware_into_buf() will be used instead. * @sync_direct: when the sync trigger is used if this is true * request_firmware_direct() will be used instead. * @send_uevent: whether or not to send a uevent for async requests @@ -83,6 +87,7 @@ struct test_batched_req { */ struct test_config { char *name; + bool into_buf; bool sync_direct; bool send_uevent; u8 num_requests; @@ -176,6 +181,7 @@ static int __test_firmware_config_init(void) test_fw_config->num_requests = TEST_FIRMWARE_NUM_REQS; test_fw_config->send_uevent = true; + test_fw_config->into_buf = false; test_fw_config->sync_direct = false; test_fw_config->req_firmware = request_firmware; test_fw_config->test_result = 0; @@ -244,6 +250,9 @@ static ssize_t config_show(struct device *dev, test_fw_config->send_uevent ? "FW_ACTION_HOTPLUG" : "FW_ACTION_NOHOTPLUG"); + len += scnprintf(buf+len, PAGE_SIZE - len, + "into_buf:\t\t%s\n", + test_fw_config->into_buf ? "true" : "false"); len += scnprintf(buf+len, PAGE_SIZE - len, "sync_direct:\t\t%s\n", test_fw_config->sync_direct ? "true" : "false"); @@ -393,6 +402,23 @@ static ssize_t config_num_requests_show(struct device *dev, } static DEVICE_ATTR_RW(config_num_requests); +static ssize_t config_into_buf_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + return test_dev_config_update_bool(buf, + count, + &test_fw_config->into_buf); +} + +static ssize_t config_into_buf_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return test_dev_config_show_bool(buf, test_fw_config->into_buf); +} +static DEVICE_ATTR_RW(config_into_buf); + static ssize_t config_sync_direct_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -522,7 +548,7 @@ static ssize_t trigger_async_request_store(struct device *dev, rc = count; } else { pr_err("failed to async load firmware\n"); - rc = -ENODEV; + rc = -ENOMEM; } out: @@ -585,7 +611,26 @@ static int test_fw_run_batch_request(void *data) return -EINVAL; } - req->rc = test_fw_config->req_firmware(&req->fw, req->name, req->dev); + if (test_fw_config->into_buf) { + void *test_buf; + + test_buf = kzalloc(TEST_FIRMWARE_BUF_SIZE, GFP_KERNEL); + if (!test_buf) + return -ENOSPC; + + req->rc = request_firmware_into_buf(&req->fw, + req->name, + req->dev, + test_buf, + TEST_FIRMWARE_BUF_SIZE); + if (!req->fw) + kfree(test_buf); + } else { + req->rc = test_fw_config->req_firmware(&req->fw, + req->name, + req->dev); + } + if (req->rc) { pr_info("#%u: batched sync load failed: %d\n", req->idx, req->rc); @@ -849,6 +894,7 @@ static struct attribute *test_dev_attrs[] = { TEST_FW_DEV_ATTR(config), TEST_FW_DEV_ATTR(config_name), TEST_FW_DEV_ATTR(config_num_requests), + TEST_FW_DEV_ATTR(config_into_buf), TEST_FW_DEV_ATTR(config_sync_direct), TEST_FW_DEV_ATTR(config_send_uevent), TEST_FW_DEV_ATTR(config_read_fw_idx),