From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH UPDATED] ahci: add "em_buffer" attribute for AHCI hosts Date: Fri, 09 Apr 2010 10:50:52 +0900 Message-ID: <4BBE87FC.2060407@kernel.org> References: <1268131075.2000.6.camel@harry-desktop> <1270539831.1963.29.camel@harry-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:52781 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751128Ab0DIBrd (ORCPT ); Thu, 8 Apr 2010 21:47:33 -0400 In-Reply-To: <1270539831.1963.29.camel@harry-desktop> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Harry Zhang Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org, "Huang, Shane" On 04/06/2010 04:43 PM, Harry Zhang wrote: > Subject: [PATCH] ahci: add "em_buffer" attribute for AHCI hosts > > Add "em_buffer" attribute for SATA AHCI hosts to allow users accessing > AHCI EM (enclosure management buffer) in user space if the host supports > EM. > > AHCI driver should support SGPIO EM message. But the spec does not > define the SGPIO message format filled in EM buffer. HW vendors may have > different definitions. The mainly purpose of "em_buffer" attribute is to > enable SGPIO initiator control in user space rather than in kernel. > > Signed-off-by: Harry Zhang Patch corrupted. Doesn't apply. Can you please repost? -- tejun