From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Lord <liml@rtr.ca>
Subject: Re: How to assess PMP register
Date: Thu, 30 Apr 2009 18:34:11 -0400
Message-ID: <49FA2763.9040409@rtr.ca>
References: <fa69d4570904291849p638b849fm856be97c81340624@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Return-path: <linux-ide-owner@vger.kernel.org>
Received: from rtr.ca ([76.10.145.34]:48143 "EHLO mail.rtr.ca"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1754341AbZD3WeN (ORCPT <rfc822;linux-ide@vger.kernel.org>);
	Thu, 30 Apr 2009 18:34:13 -0400
In-Reply-To: <fa69d4570904291849p638b849fm856be97c81340624@mail.gmail.com>
Sender: linux-ide-owner@vger.kernel.org
List-Id: linux-ide@vger.kernel.org
To: s ticket <smticket@gmail.com>
Cc: linux-ide@vger.kernel.org, jgarzik@pobox.com

s ticket wrote:
> Is there any way to read PMP registers after hardreset/softreset?
> SATA Controller is marvell 88SX7042 and driver is sata_mv.
> I try to send 0xE4 and 0xE6 command to read/write PMP registers:
..
>         if (ioctl(fd, SG_IO, &io_hdr) == -1) {
..

No, there is no existing way to access PMP registers from user space.