From nobody Wed Dec 17 12:46:58 2025 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 44146C4167B for ; Mon, 27 Nov 2023 16:22:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234038AbjK0QWJ (ORCPT ); Mon, 27 Nov 2023 11:22:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234006AbjK0QVw (ORCPT ); Mon, 27 Nov 2023 11:21:52 -0500 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF37DEA; Mon, 27 Nov 2023 08:21:56 -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 3AR9KK9O019284; Mon, 27 Nov 2023 08:21:51 -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=GBk0G+ffbqJJzBI62y05vyjUWHbekd+fbecaXVMTgMw=; b=aFbJvIPSBZO97sdMSyah+orrEJws7NK+swI8gw440kKbCbuUSg5FM+ZqW44V2yVAbUDg SN0iPROjMVXSCRigYIps6GqoGvZifUGoTW0lzjHknLhoCl99Kp/OXM2f2w4gcUvKcw/X 6VMkgVRFInJpKipStr1QeXU/9KrmVvvyZzS3ZYwXUWxrl0U09a3L2vs+S72lD7sOmkJP R01Ck2xmtsUVQQqEo3Is3Pqc8xp1PelLwKMx0xkF0EB4XoJpe0JNouFgIZoJUMW/A8am kRLfpQiNoKXRQo9cWoJv+N1Scit6f8glhFHo5fWRWO+t1W6FUxHymE2Ghqz6gK7wABe8 pQ== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3umrcu99s3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 27 Nov 2023 08:21:41 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Mon, 27 Nov 2023 08:21:39 -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; Mon, 27 Nov 2023 08:21:39 -0800 Received: from ubuntu-PowerEdge-T110-II.sclab.marvell.com (unknown [10.106.27.86]) by maili.marvell.com (Postfix) with ESMTP id 713423F7055; Mon, 27 Nov 2023 08:21:39 -0800 (PST) From: Shinas Rasheed To: , CC: , , , , , , , , , , Shinas Rasheed , "Veerasenareddy Burru" , Sathesh Edara , Eric Dumazet Subject: [PATCH net-next v1 1/2] octeon_ep: implement device unload control net API Date: Mon, 27 Nov 2023 08:21:34 -0800 Message-ID: <20231127162135.2529363-2-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231127162135.2529363-1-srasheed@marvell.com> References: <20231127162135.2529363-1-srasheed@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: rt9ksP36Ub0NMpLUXKTy9_P-MKoOkJJi X-Proofpoint-ORIG-GUID: rt9ksP36Ub0NMpLUXKTy9_P-MKoOkJJi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-27_14,2023-11-27_01,2023-05-22_02 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Device unload control net function should inform firmware of driver unload to let it take necessary actions to cleanup. Signed-off-by: Shinas Rasheed --- .../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/driv= ers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.c index 5fa596c674da..f0fdfda8894a 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; =20 /* 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_MA= X] =3D { - [OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_GET_INFO] =3D + [OCTEP_CTRL_NET_H2F_CMD_INVALID ... OCTEP_CTRL_NET_H2F_CMD_DEV_REMOVE] = =3D OCTEP_CP_VERSION(1, 0, 0) }; =20 @@ -393,10 +393,24 @@ int octep_ctrl_net_get_info(struct octep_device *oct,= int vfid, return 0; } =20 +int octep_ctrl_net_dev_remove(struct octep_device *oct, int vfid) +{ + struct octep_ctrl_net_wait_data d =3D {}; + struct octep_ctrl_net_h2f_req *req; + + req =3D &d.data.req; + dev_info(&oct->pdev->dev, "Sending dev_unload msg to fw\n"); + init_send_req(&d.msg, req, sizeof(int), vfid); + req->hdr.s.cmd =3D 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; =20 + 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 =3D 1; =20 diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_net.h b/driv= ers/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 }; =20 @@ -370,6 +371,16 @@ void octep_ctrl_net_recv_fw_messages(struct octep_devi= ce *oct); int octep_ctrl_net_get_info(struct octep_device *oct, int vfid, struct octep_fw_info *info); =20 +/** + * 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. * --=20 2.25.1