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[2620:137:e000::3:1]) by mx.google.com with ESMTPS id k24-20020a635a58000000b005b92da9586bsi12953120pgm.292.2023.11.28.20.54.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 20:54:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) client-ip=2620:137:e000::3:1; Authentication-Results: mx.google.com; dkim=pass header.i=@marvell.com header.s=pfpt0220 header.b="BRK/IWje"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=marvell.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id 88D418217A53; Tue, 28 Nov 2023 20:54:30 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376927AbjK2EyW (ORCPT + 99 others); Tue, 28 Nov 2023 23:54:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376941AbjK2EyS (ORCPT ); Tue, 28 Nov 2023 23:54:18 -0500 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADFDB1BC6; Tue, 28 Nov 2023 20:54:24 -0800 (PST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ASIdtw6021070; Tue, 28 Nov 2023 20:53:55 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=EEQhMICjy4DZQbWamyerRADQ92GAIF8ZCdHo2SGhyrw=; b=BRK/IWjeEynwFLUt/UU/qCfCr3ATctIjRm2vDpqf2lv44VHzI47yhFE8nUDLSKL8pkr3 cjSjnukJTz+pP8diLhuBVcFsyk3u0V2iSksP9c5dadgR5EXmGTuIxHe1OO1/7JGYBWsG GN992H5BsQD0p7sOw/Q9wL+jzVld7PBVPYOrSRDNEFstzfDn56c55tcSkg/dGLbL/e62 K/xL0WI9pu+8diGQ2uXqi7jwqPVRqqSGen3CcxcAQOOi7o9iVXhcFwlUWHxczIEe57J1 cQ6l3UVNEKjJmLncxz2emriIXJrZ1YE1B2iGf9zFjgCqR68oaOODrmkko/SYABInyp6n XA== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3unn869x1n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 28 Nov 2023 20:53:54 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 28 Nov 2023 20:53:53 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 28 Nov 2023 20:53:53 -0800 Received: from ubuntu-PowerEdge-T110-II.sclab.marvell.com (unknown [10.106.27.86]) by maili.marvell.com (Postfix) with ESMTP id 979BD3F7043; Tue, 28 Nov 2023 20:53:52 -0800 (PST) From: Shinas Rasheed To: , CC: , , , , , , , , , , Shinas Rasheed , "Veerasenareddy Burru" , Sathesh Edara , Eric Dumazet Subject: [PATCH net-next v2 1/2] octeon_ep: implement device unload control net API Date: Tue, 28 Nov 2023 20:53:47 -0800 Message-ID: <20231129045348.2538843-2-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231129045348.2538843-1-srasheed@marvell.com> References: <20231129045348.2538843-1-srasheed@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: M-DZoJauUIHW_8J3ww9emqAv7cpJNnld X-Proofpoint-GUID: M-DZoJauUIHW_8J3ww9emqAv7cpJNnld X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-29_01,2023-11-27_01,2023-05-22_02 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Tue, 28 Nov 2023 20:54:30 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783872802044351941 X-GMAIL-MSGID: 1783872802044351941 Device unload control net function should inform firmware of driver unload to let it take necessary actions to cleanup. Signed-off-by: Shinas Rasheed --- V2: - Changed dev_info print to dev_dbg in device_remove API V1: https://lore.kernel.org/all/20231127162135.2529363-2-srasheed@marvell.com/ .../ethernet/marvell/octeon_ep/octep_ctrl_net.c | 16 +++++++++++++++- .../ethernet/marvell/octeon_ep/octep_ctrl_net.h | 11 +++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c index 5fa596c674da..4c39e2fabe0a 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c @@ -26,7 +26,7 @@ static atomic_t ctrl_net_msg_id; /* Control plane version in which OCTEP_CTRL_NET_H2F_CMD was added */ static const u32 octep_ctrl_net_h2f_cmd_versions[OCTEP_CTRL_NET_H2F_CMD_MAX] = { - [OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_GET_INFO] = + [OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE] = OCTEP_CP_VERSION(1, 0, 0) }; @@ -393,10 +393,24 @@ int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, return 0; } +int octep_ctrl_net_dev_remove(struct octep_device *oct, int vfid) +{ + struct octep_ctrl_net_wait_data d = {}; + struct octep_ctrl_net_h2f_req *req; + + req = &d.data.req; + dev_dbg(&oct->pdev->dev, "Sending dev_unload msg to fw\n"); + init_send_req(&d.msg, req, sizeof(int), vfid); + req->hdr.s.cmd = OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE; + + return octep_send_mbox_req(oct, &d, false); +} int octep_ctrl_net_uninit(struct octep_device *oct) { struct octep_ctrl_net_wait_data *pos, *n; + octep_ctrl_net_dev_remove(oct, OCTEP_CTRL_NET_INVALID_VFID); + list_for_each_entry_safe(pos, n, &oct->ctrl_req_wait_list, list) pos->done = 1; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h index a2463b460ad9..0de4de2ceb8f 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h @@ -42,6 +42,7 @@ enum octep_ctrl_net_h2f_cmd { OCTEP_CTRL_NET_H2F_CMD_RX_STATE, OCTEP_CTRL_NET_H2F_CMD_LINK_INFO, OCTEP_CTRL_NET_H2F_CMD_GET_INFO, + OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE, OCTEP_CTRL_NET_H2F_CMD_MAX }; @@ -370,6 +371,16 @@ void octep_ctrl_net_recv_fw_messages(struct octep_device *oct); int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, struct octep_fw_info *info); +/** + * octep_ctrl_net_dev_remove() - Indicate to firmware that a device unload has happened. + * + * @oct: non-null pointer to struct octep_device. + * @vfid: Index of virtual function. + * + * return value: 0 on success, -errno on failure. + */ +int octep_ctrl_net_dev_remove(struct octep_device *oct, int vfid); + /** * octep_ctrl_net_uninit() - Uninitialize data for ctrl net. *