From patchwork Mon Jul 31 21:29:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanussi, Tom" X-Patchwork-Id: 708616 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 C916EC001DE for ; Mon, 31 Jul 2023 21:29:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231284AbjGaV35 (ORCPT ); Mon, 31 Jul 2023 17:29:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230452AbjGaV3u (ORCPT ); Mon, 31 Jul 2023 17:29:50 -0400 Received: from mgamail.intel.com (unknown [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2678126; Mon, 31 Jul 2023 14:29:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690838989; x=1722374989; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jBw/HXHW9fVN4ZP2CymXmjYIPDw1g2uNvvdfLu9VKnU=; b=X72qDuJcwld01g0vJmSY8sb6xm/m8gWuLwqBypNSNTNUKb9kRKS3aQCy fx01qAHNF/pPQ5udfejmsi0j7Ep8ADTUce98dcvMeASgI7o3MQtwqSnD1 ycxtj9TN1yoySqxT+GdcB17Y3sdKrO2sN8oPX2iEpUghMS7phLmWNhk9h xbMz3MhpKVM8SWUh0VSj81JK+bGtrIrl0f8aAVloePBXn3FLfM+VS0dvB ChGYlKi7tZV8ZJtLdH0OmOZ9Izm9gkKx2ZphbBpngcxOZdByvca8nUK4H h5dLyLjsK6WFnaPh/8e05WA7U0U6NYllKJ7Kt62MreKedYls0E+57ZjM5 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="349425749" X-IronPort-AV: E=Sophos;i="6.01,245,1684825200"; d="scan'208";a="349425749" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2023 14:29:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="728428377" X-IronPort-AV: E=Sophos;i="6.01,245,1684825200"; d="scan'208";a="728428377" Received: from sgimmeke-mobl.amr.corp.intel.com (HELO tzanussi-mobl1.intel.com) ([10.212.91.213]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2023 14:29:47 -0700 From: Tom Zanussi To: herbert@gondor.apana.org.au, davem@davemloft.net, fenghua.yu@intel.com, vkoul@kernel.org Cc: dave.jiang@intel.com, tony.luck@intel.com, wajdi.k.feghali@intel.com, james.guilford@intel.com, kanchana.p.sridhar@intel.com, vinodh.gopal@intel.com, giovanni.cabiddu@intel.com, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org Subject: [PATCH v8 02/14] dmaengine: idxd: add external module driver support for dsa_bus_type Date: Mon, 31 Jul 2023 16:29:27 -0500 Message-Id: <20230731212939.1391453-3-tom.zanussi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230731212939.1391453-1-tom.zanussi@linux.intel.com> References: <20230731212939.1391453-1-tom.zanussi@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Dave Jiang Add support to allow an external driver to be registered to the dsa_bus_type and also auto-loaded. Signed-off-by: Dave Jiang Signed-off-by: Tom Zanussi Reviewed-by: Fenghua Yu Acked-by: Vinod Koul --- drivers/dma/idxd/bus.c | 6 ++++++ drivers/dma/idxd/idxd.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/drivers/dma/idxd/bus.c b/drivers/dma/idxd/bus.c index 6f84621053c6..0c9e689a2e77 100644 --- a/drivers/dma/idxd/bus.c +++ b/drivers/dma/idxd/bus.c @@ -67,11 +67,17 @@ static void idxd_config_bus_remove(struct device *dev) idxd_drv->remove(idxd_dev); } +static int idxd_bus_uevent(const struct device *dev, struct kobj_uevent_env *env) +{ + return add_uevent_var(env, "MODALIAS=" IDXD_DEVICES_MODALIAS_FMT, 0); +} + struct bus_type dsa_bus_type = { .name = "dsa", .match = idxd_config_bus_match, .probe = idxd_config_bus_probe, .remove = idxd_config_bus_remove, + .uevent = idxd_bus_uevent, }; EXPORT_SYMBOL_GPL(dsa_bus_type); diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h index c62c78e1c9fa..276b5f9cf967 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -646,6 +646,9 @@ static inline int idxd_wq_driver_name_match(struct idxd_wq *wq, struct device *d return (strncmp(wq->driver_name, dev->driver->name, strlen(dev->driver->name)) == 0); } +#define MODULE_ALIAS_IDXD_DEVICE(type) MODULE_ALIAS("idxd:t" __stringify(type) "*") +#define IDXD_DEVICES_MODALIAS_FMT "idxd:t%d" + int __must_check __idxd_driver_register(struct idxd_device_driver *idxd_drv, struct module *module, const char *mod_name); #define idxd_driver_register(driver) \