From mboxrd@z Thu Jan 1 00:00:00 1970 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 89A2AC433F5 for ; Wed, 22 Dec 2021 03:16:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242105AbhLVDQS (ORCPT ); Tue, 21 Dec 2021 22:16:18 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:44970 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242089AbhLVDQN (ORCPT ); Tue, 21 Dec 2021 22:16:13 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B041C617B3 for ; Wed, 22 Dec 2021 03:16:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4058C36AEE; Wed, 22 Dec 2021 03:16:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640142972; bh=E/g9XZn5cw8F0mT+RT0BZBMJARU0YHRe+QlRvTgwdxk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DZE/UuE4atgjzHnMhM3QzxH3jyt80P4JhaFsUX1s7eNSkyQNt9qZJMAI0YI9ES61L 5RMFNmtQok+pC5AWjTZIV2eVvcyJgdvCfl5irCU9oBlvbtD+1IIHjLZghh7R7K7ZoN DVAjqwYjJHN34w0520PkTAupWvZzP2mgnULW67zYzqeiGriFkVzWFmG/b50fDqlBIS 5TA2rlUCc9Xf/z632BqDyv/NcptKmBD+SRFYFpDIn11/ZLx6Y5wlnGyiofM9VGT6AY xTr25geNz9zlqIvSyutwb3wcZoKE58p+ef+y44rkeJQ3LEz8A+JjLaWLKf/FIoa9v8 ByCN5MtlkEJvg== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Shay Drory , Moshe Shemesh , Jiri Pirko , Saeed Mahameed Subject: [net-next v0 03/14] devlink: Add new "event_eq_size" generic device param Date: Tue, 21 Dec 2021 19:15:53 -0800 Message-Id: <20211222031604.14540-4-saeed@kernel.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211222031604.14540-1-saeed@kernel.org> References: <20211222031604.14540-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Shay Drory Add new device generic parameter to determine the size of the asynchronous control events EQ. For example, to reduce event EQ size to 64, execute: $ devlink dev param set pci/0000:06:00.0 \ name event_eq_size value 64 cmode driverinit $ devlink dev reload pci/0000:06:00.0 Signed-off-by: Shay Drory Reviewed-by: Moshe Shemesh Reviewed-by: Jiri Pirko Signed-off-by: Saeed Mahameed --- Documentation/networking/devlink/devlink-params.rst | 3 +++ include/net/devlink.h | 4 ++++ net/core/devlink.c | 5 +++++ 3 files changed, 12 insertions(+) diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst index 547c0b430c9e..da0b5e7f8eec 100644 --- a/Documentation/networking/devlink/devlink-params.rst +++ b/Documentation/networking/devlink/devlink-params.rst @@ -132,3 +132,6 @@ own name. * - ``io_eq_size`` - u32 - Control the size of I/O completion EQs. + * - ``event_eq_size`` + - u32 + - Control the size of asynchronous control events EQ. diff --git a/include/net/devlink.h b/include/net/devlink.h index b5f4acd0e0cd..8d5349d2fb68 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -460,6 +460,7 @@ enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, + DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, @@ -515,6 +516,9 @@ enum devlink_param_generic_id { #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 +#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" +#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 + #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ { \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ diff --git a/net/core/devlink.c b/net/core/devlink.c index e2e38b8872c8..6366ce324dce 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -4471,6 +4471,11 @@ static const struct devlink_param devlink_param_generic[] = { .name = DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME, .type = DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE, }, + { + .id = DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, + .name = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME, + .type = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE, + }, }; static int devlink_param_generic_verify(const struct devlink_param *param) -- 2.33.1