From patchwork Mon May 8 20:07:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanussi, Tom" X-Patchwork-Id: 679965 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 6C808C77B7F for ; Mon, 8 May 2023 20:07:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233770AbjEHUH4 (ORCPT ); Mon, 8 May 2023 16:07:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233401AbjEHUHq (ORCPT ); Mon, 8 May 2023 16:07:46 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DEEB559B; Mon, 8 May 2023 13:07:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683576465; x=1715112465; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=eqtH9QJadtpRCN96NHklw3EbhVbQBfowJXO3N8XcXZc=; b=b4Zc32szSNkVpU6sISUq5N/MQe/Am9wTVzdMfm/Febtn3Hg1f/kQUnkQ H/TIYA8NOZO3hV44qV2DolxwYJ4z3xnTnC77lmDZTYEvkBdOaKUSXkknx PN8M+COJAGSsnNc1XEXOATRC7K3G5rn0iI/S1vOmCAR7GgxsZrUt0JsFH /T7vhN65PynEJRtC/pWjceU2jL16OqcwRYPTR8hZO5CITe+js4ACHz4W+ snfVqL8lhkFu4EUMtu049kbJfti6jTpYPg3LX5OQIZrPRi9ZGuvVKZLuN TcT+x9yny12Giz7eny51XxE3gf1C5OMMyatqSkEJbER5G9V5/dpnpiz3n w==; X-IronPort-AV: E=McAfee;i="6600,9927,10704"; a="348573616" X-IronPort-AV: E=Sophos;i="5.99,259,1677571200"; d="scan'208";a="348573616" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2023 13:07:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10704"; a="788241620" X-IronPort-AV: E=Sophos;i="5.99,259,1677571200"; d="scan'208";a="788241620" Received: from sajmal-mobl1.amr.corp.intel.com (HELO tzanussi-mobl1.intel.com) ([10.212.74.4]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2023 13:07:44 -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, giovanni.cabiddu@intel.com, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org Subject: [PATCH v4 02/15] dmaengine: idxd: add external module driver support for dsa_bus_type Date: Mon, 8 May 2023 15:07:24 -0500 Message-Id: <034196c4edbc78b367c72eca1dece0d7201df13d.1683573703.git.zanussi@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: 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 --- 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 a83aecf11a01..193552dea224 100644 --- a/drivers/dma/idxd/idxd.h +++ b/drivers/dma/idxd/idxd.h @@ -589,6 +589,9 @@ 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) \