From owner-dev-commits-src-main@freebsd.org Tue May 25 18:15:14 2021 Return-Path: Delivered-To: dev-commits-src-main@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 7AF4B651C37; Tue, 25 May 2021 18:15:14 +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 4FqMgj47RJz3vLF; Tue, 25 May 2021 18:15:12 +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 693CB224EB; Tue, 25 May 2021 18:15:12 +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 14PIFCR7044082; Tue, 25 May 2021 18:15:12 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14PIFC51044081; Tue, 25 May 2021 18:15:12 GMT (envelope-from git) Date: Tue, 25 May 2021 18:15:12 GMT Message-Id: <202105251815.14PIFC51044081@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: "Bjoern A. Zeeb" Subject: git: 29923fea032a - main - LinuxKPI: add devcoredump.h MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 29923fea032a6ac7c0defd74d0b23468b16fda93 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 May 2021 18:15:14 -0000 The branch main has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=29923fea032a6ac7c0defd74d0b23468b16fda93 commit 29923fea032a6ac7c0defd74d0b23468b16fda93 Author: Bjoern A. Zeeb AuthorDate: 2021-05-24 18:04:31 +0000 Commit: Bjoern A. Zeeb CommitDate: 2021-05-25 18:01:48 +0000 LinuxKPI: add devcoredump.h Add linux/devcoredump.h with stub implementation of dev_coredumpv() and dev_coredumpsg() which only free the passed in SG table as needed for iwlwifi. Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D30423 --- .../linuxkpi/common/include/linux/devcoredump.h | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/devcoredump.h b/sys/compat/linuxkpi/common/include/linux/devcoredump.h new file mode 100644 index 000000000000..4616fbb5a2ea --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/devcoredump.h @@ -0,0 +1,76 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 The FreeBSD Foundation + * + * This software was developed by Björn Zeeb under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __LKPI_LINUX_DEVCOREDUMP_H +#define __LKPI_LINUX_DEVCOREDUMP_H + +#include +#include +#include + +static inline void +_lkpi_dev_coredumpsg_free(struct scatterlist *table) +{ + struct scatterlist *iter; + struct page *p; + int i; + + iter = table; + for_each_sg(table, iter, sg_nents(table), i) { + p = sg_page(iter); + if (p) + __free_page(p); + } + + /* XXX what about chained tables? */ + kfree(table); +} + +static inline void +dev_coredumpv(struct device *dev __unused, void *data, size_t datalen __unused, + gfp_t gfp __unused) +{ + + /* UNIMPLEMENTED */ + vfree(data); +} + +static inline void +dev_coredumpsg(struct device *dev __unused, struct scatterlist *table, + size_t datalen __unused, gfp_t gfp __unused) +{ + + /* UNIMPLEMENTED */ + _lkpi_dev_coredumpsg_free(table); +} + +#endif /* __LKPI_LINUX_DEVCOREDUMP_H */