Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752677AbZDWAbv (ORCPT ); Wed, 22 Apr 2009 20:31:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751732AbZDWAbj (ORCPT ); Wed, 22 Apr 2009 20:31:39 -0400 Received: from xenotime.net ([72.52.64.118]:59833 "HELO xenotime.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751240AbZDWAbi (ORCPT ); Wed, 22 Apr 2009 20:31:38 -0400 Date: Wed, 22 Apr 2009 17:32:32 -0700 From: Randy Dunlap To: "Karsten Keil" Cc: linux-kernel@vger.kernel.org, Randy Dunlap , David Miller , tilman@imap.cc, isdn4linux@listserv.isdn4linux.de, i4ldeveloper@listserv.isdn4linux.de, netdev@vger.kernel.org Subject: Re: [PATCH 3/3] Add reference to CAPI 2.0 standard Message-Id: <20090422173232.ad2b3f49.rdunlap@xenotime.net> In-Reply-To: References: Organization: YPO4 X-Mailer: Sylpheed 2.6.0 (GTK+ 2.12.0; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3937 Lines: 89 On Wed, 22 Apr 2009 16:31:48 +0200 Karsten Keil wrote: > Move the entry about CAPI 2.0 to the beginning and add a URL. > Incorporate changes suggested by Randy Dunlap, thanks for proofreading. > > Signed-off-by: Karsten Keil > --- > Documentation/isdn/INTERFACE.CAPI | 20 +++++++++++++------- > 1 files changed, 13 insertions(+), 7 deletions(-) > > diff --git a/Documentation/isdn/INTERFACE.CAPI b/Documentation/isdn/INTERFACE.CAPI > index 8947ffc..4d802ee 100644 > --- a/Documentation/isdn/INTERFACE.CAPI > +++ b/Documentation/isdn/INTERFACE.CAPI > @@ -3,6 +3,11 @@ Kernel CAPI Interface to Hardware Drivers > > 1. Overview > > +From the CAPI 2.0 spezification: ~~~~~~~~~~~~~ typo or language? specification: > +COMMON-ISDN-API (CAPI) is an application programming interface standard used > +to access ISDN equipment connected to basic rate interfaces (BRI) and primary > +rate interfaces (PRI). > + > Kernel CAPI operates as a dispatching layer between CAPI applications and CAPI > hardware drivers. Hardware drivers register ISDN devices (controllers, in CAPI > lingo) with Kernel CAPI to indicate their readiness to provide their service > @@ -12,6 +17,9 @@ application registration to an available device, forwarding it to the > corresponding hardware driver. Kernel CAPI then forwards CAPI messages in both > directions between the application and the hardware driver. > > +Format and semantics of CAPI messages are specified in the CAPI 2.0 standard. > +This standard is freely available from http://www.capi.org. > + > > 2. Driver and Device Registration > > @@ -53,12 +61,10 @@ open() operation on regular files or character devices. > After a successful return from register_appl(), CAPI messages from the > application may be passed to the driver for the device via calls to the > send_message() callback function. The CAPI message to send is stored in the > -data portion of a skb. Conversely, the driver may call Kernel CAPI's > +data portion of an skb. Conversely, the driver may call Kernel CAPI's > capi_ctr_handle_message() function to pass a received CAPI message to Kernel > CAPI for forwarding to an application, specifying its ApplID. > > -Format and semantics of CAPI messages are specified in the CAPI 2.0 standard. > - > Deregistration requests (CAPI operation CAPI_RELEASE) from applications are > forwarded as calls to the release_appl() callback function, passing the same > ApplID as with register_appl(). After return from release_appl(), no CAPI > @@ -75,9 +81,9 @@ the following non-private fields, all to be set by the driver before calling > register_capi_driver(): > > char name[32] > - the name of the driver, as a zero terminated ASCII string > + the name of the driver, as a zero-terminated ASCII string > char revision[32] > - the revision number of the driver, as a zero terminated ASCII string > + the revision number of the driver, as a zero-terminated ASCII string > int (*add_card)(struct capi_driver *driver, capicardparams *data) > a callback function pointer (may be NULL) > > @@ -100,10 +106,10 @@ void *driverdata > an opaque pointer to driver specific data, not touched by Kernel CAPI > > char name[32] > - the name of the controller, as a zero terminated ASCII string > + the name of the controller, as a zero-terminated ASCII string > > char *driver_name > - the name of the driver, as a zero terminated ASCII string > + the name of the driver, as a zero-terminated ASCII string > > int (*load_firmware)(struct capi_ctr *ctrlr, capiloaddata *ldata) > (optional) pointer to a callback function for sending firmware and > -- --- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/