From owner-dev-commits-src-branches@freebsd.org Mon Jul 26 15:19:48 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EAFDB66DDCB; Mon, 26 Jul 2021 15:19:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GYNrg6KZJz3Jw5; Mon, 26 Jul 2021 15:19:47 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 902681952D; Mon, 26 Jul 2021 15:19:47 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 16QFJlxC025838; Mon, 26 Jul 2021 15:19:47 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 16QFJlfc025837; Mon, 26 Jul 2021 15:19:47 GMT (envelope-from git) Date: Mon, 26 Jul 2021 15:19:47 GMT Message-Id: <202107261519.16QFJlfc025837@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: f2e512d09bbe - stable/13 - mlx5: add a knob to administratively disable mlx5 fw dump setup MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: f2e512d09bbe6f28b48a5df246b495c3f62eb0c6 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Jul 2021 15:19:49 -0000 The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=f2e512d09bbe6f28b48a5df246b495c3f62eb0c6 commit f2e512d09bbe6f28b48a5df246b495c3f62eb0c6 Author: Konstantin Belousov AuthorDate: 2021-07-05 07:55:19 +0000 Commit: Konstantin Belousov CommitDate: 2021-07-26 13:51:12 +0000 mlx5: add a knob to administratively disable mlx5 fw dump setup (cherry picked from commit 8391db038df87e0fa5519617e3bb35a2cf78b41e) --- sys/dev/mlx5/mlx5_core/mlx5_fwdump.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c b/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c index 09e8f9f7660a..7bb563846144 100644 --- a/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c +++ b/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c @@ -59,6 +59,11 @@ mlx5_fwdump_destroy_dd(struct mlx5_core_dev *mdev) mdev->dump_data = NULL; } +static int mlx5_fw_dump_enable = 1; +SYSCTL_INT(_hw_mlx5, OID_AUTO, fw_dump_enable, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, + &mlx5_fw_dump_enable, 0, + "Enable fw dump setup and op"); + void mlx5_fwdump_prep(struct mlx5_core_dev *mdev) { @@ -68,6 +73,14 @@ mlx5_fwdump_prep(struct mlx5_core_dev *mdev) u32 addr, in, out, next_addr; mdev->dump_data = NULL; + + TUNABLE_INT_FETCH("hw.mlx5.fw_dump_enable", &mlx5_fw_dump_enable); + if (!mlx5_fw_dump_enable) { + mlx5_core_warn(mdev, + "Firmware dump administratively prohibited\n"); + return; + } + error = mlx5_vsc_find_cap(mdev); if (error != 0) { /* Inability to create a firmware dump is not fatal. */