From patchwork Tue Apr 12 09:27:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Shah X-Patchwork-Id: 90750 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (unknown [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 96128B6F1B for ; Tue, 12 Apr 2011 19:28:31 +1000 (EST) Received: from localhost ([::1]:36972 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9Ztc-000219-J5 for incoming@patchwork.ozlabs.org; Tue, 12 Apr 2011 05:28:28 -0400 Received: from eggs.gnu.org ([140.186.70.92]:59039) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9Zt9-0001ue-Ru for qemu-devel@nongnu.org; Tue, 12 Apr 2011 05:28:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q9Zt9-0002TQ-3X for qemu-devel@nongnu.org; Tue, 12 Apr 2011 05:27:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52966) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9Zt8-0002TH-PP for qemu-devel@nongnu.org; Tue, 12 Apr 2011 05:27:59 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p3C9RvBZ012415 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 12 Apr 2011 05:27:57 -0400 Received: from localhost (dhcp193-58.pnq.redhat.com [10.65.193.58]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p3C9RtKu022038; Tue, 12 Apr 2011 05:27:56 -0400 From: Amit Shah To: qemu list Date: Tue, 12 Apr 2011 14:57:39 +0530 Message-Id: <5117cc4f49fb4fd756f3d56739b171f54aebdda8.1302600061.git.amit.shah@redhat.com> In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: Kevin Wolf , Juan Quintela , Stefan Hajnoczi , Markus Armbruster , Amit Shah , Paolo Bonzini Subject: [Qemu-devel] [PATCH v2 1/6] atapi: Allow GESN after media change X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org After a media change, the only commands allowed from the guest were REQUEST_SENSE and INQUIRY. The guest may also issue GET_EVENT_STATUS_NOTIFICATION commands to get media changed notification. Signed-off-by: Amit Shah --- hw/ide/core.c | 19 +++++++++++++------ 1 files changed, 13 insertions(+), 6 deletions(-) diff --git a/hw/ide/core.c b/hw/ide/core.c index c11d457..f839ef3 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -1102,13 +1102,20 @@ static void ide_atapi_cmd(IDEState *s) printf("\n"); } #endif - /* If there's a UNIT_ATTENTION condition pending, only - REQUEST_SENSE and INQUIRY commands are allowed to complete. */ + /* + * If there's a UNIT_ATTENTION condition pending, only + * REQUEST_SENSE, INQUIRY and GET_EVENT_STATUS_NOTIFICATION + * commands are allowed to complete. MMC-5, section 4.1.6.1 lists + * only these commands being allowed to complete, with other + * commands getting a CHECK condition response unless a higher + * priority status, defined by the drive here, is pending. + */ if (s->sense_key == SENSE_UNIT_ATTENTION && - s->io_buffer[0] != GPCMD_REQUEST_SENSE && - s->io_buffer[0] != GPCMD_INQUIRY) { - ide_atapi_cmd_check_status(s); - return; + s->io_buffer[0] != GPCMD_REQUEST_SENSE && + s->io_buffer[0] != GPCMD_INQUIRY && + s->io_buffer[0] != GPCMD_GET_EVENT_STATUS_NOTIFICATION) { + ide_atapi_cmd_check_status(s); + return; } switch(s->io_buffer[0]) { case GPCMD_TEST_UNIT_READY: