From owner-svn-src-head@FreeBSD.ORG Sun Jul 7 19:47:23 2013 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id C693686D; Sun, 7 Jul 2013 19:47:23 +0000 (UTC) (envelope-from rpaulo@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) by mx1.freebsd.org (Postfix) with ESMTP id 9FB0D1205; Sun, 7 Jul 2013 19:47:23 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r67JlNqW013810; Sun, 7 Jul 2013 19:47:23 GMT (envelope-from rpaulo@svn.freebsd.org) Received: (from rpaulo@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r67JlNZ6013809; Sun, 7 Jul 2013 19:47:23 GMT (envelope-from rpaulo@svn.freebsd.org) Message-Id: <201307071947.r67JlNZ6013809@svn.freebsd.org> From: Rui Paulo Date: Sun, 7 Jul 2013 19:47:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r252998 - head/sys/dev/mbox X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jul 2013 19:47:23 -0000 Author: rpaulo Date: Sun Jul 7 19:47:22 2013 New Revision: 252998 URL: http://svnweb.freebsd.org/changeset/base/252998 Log: Add a mailbox interface. Mailboxes are an IPC mechanism found on several ARM architectures, namely OMAP4, BCM2385, Sitara, etc. Reviewed by: gonzo Added: head/sys/dev/mbox/ head/sys/dev/mbox/mbox_if.m (contents, props changed) Added: head/sys/dev/mbox/mbox_if.m ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/mbox/mbox_if.m Sun Jul 7 19:47:22 2013 (r252998) @@ -0,0 +1,46 @@ +#- +# Copyright (c) 2013 Rui Paulo +# All rights reserved. +# +# 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. +# +# $FreeBSD$ +# +# Mailboxes are used as an IPC mechanism that allows subsystems to +# communicate with each other. +# A system can have multiple mailboxes (e.g. OMAP4) but there's usually a +# system wide mailbox. +# + +INTERFACE mbox; + +METHOD int read { + device_t dev; + int channel; + uint32_t *data; +}; + +METHOD int write { + device_t dev; + int channel; + uint32_t data; +};