From patchwork Wed Nov 24 11:15:57 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 72874 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 6E0CEB708B for ; Wed, 24 Nov 2010 23:43:18 +1100 (EST) Received: from localhost ([127.0.0.1]:43150 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PLDon-0000Er-BS for incoming@patchwork.ozlabs.org; Wed, 24 Nov 2010 06:47:21 -0500 Received: from [140.186.70.92] (port=53503 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PLDHz-00066z-QN for qemu-devel@nongnu.org; Wed, 24 Nov 2010 06:13:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PLDHw-0005ne-5h for qemu-devel@nongnu.org; Wed, 24 Nov 2010 06:13:27 -0500 Received: from cantor2.suse.de ([195.135.220.15]:53557 helo=mx2.suse.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PLDHv-0005mp-Q9 for qemu-devel@nongnu.org; Wed, 24 Nov 2010 06:13:24 -0500 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.221.2]) by mx2.suse.de (Postfix) with ESMTP id AB3E789E74; Wed, 24 Nov 2010 12:13:22 +0100 (CET) From: Hannes Reinecke To: qemu-devel@nongnu.org Date: Wed, 24 Nov 2010 12:15:57 +0100 Message-Id: <1290597370-21365-3-git-send-email-hare@suse.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1290597370-21365-1-git-send-email-hare@suse.de> References: <1290597370-21365-1-git-send-email-hare@suse.de> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4-2.6 Cc: stefanha@gmail.com, nab@linux-iscsi.org, kraxel@redhat.com Subject: [Qemu-devel] [PATCH 02/15] scsi: Return SAM status codes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Traditionally, the linux stack is using SCSI status codes which are shifted by one as compared to those defined in SAM. A SCSI emulation should naturally return the SAM defined codes, not the linux ones. So to avoid any confusion this patch modifies the existing definitions to match those found in SAM and removes any (now obsolete) byte-shift from the returned status codes. Signed-off-by: Hannes Reinecke --- hw/scsi-defs.h | 20 +++++++++++--------- hw/scsi-generic.c | 10 +++++----- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/hw/scsi-defs.h b/hw/scsi-defs.h index a4a3518..1473ecb 100644 --- a/hw/scsi-defs.h +++ b/hw/scsi-defs.h @@ -111,18 +111,20 @@ #define BLANK 0xa1 /* - * Status codes + * SAM Status codes */ #define GOOD 0x00 -#define CHECK_CONDITION 0x01 -#define CONDITION_GOOD 0x02 -#define BUSY 0x04 -#define INTERMEDIATE_GOOD 0x08 -#define INTERMEDIATE_C_GOOD 0x0a -#define RESERVATION_CONFLICT 0x0c -#define COMMAND_TERMINATED 0x11 -#define QUEUE_FULL 0x14 +#define CHECK_CONDITION 0x02 +#define CONDITION_GOOD 0x04 +#define BUSY 0x08 +#define INTERMEDIATE_GOOD 0x10 +#define INTERMEDIATE_C_GOOD 0x14 +#define RESERVATION_CONFLICT 0x18 +#define COMMAND_TERMINATED 0x22 +#define TASK_SET_FULL 0x28 +#define ACA_ACTIVE 0x30 +#define TASK_ABORTED 0x40 #define STATUS_MASK 0x3e diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 7212091..9be1cca 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -96,17 +96,17 @@ static void scsi_command_complete(void *opaque, int ret) s->senselen = r->io_header.sb_len_wr; if (ret != 0) - r->req.status = BUSY << 1; + r->req.status = BUSY; else { if (s->driver_status & SG_ERR_DRIVER_TIMEOUT) { - r->req.status = BUSY << 1; + r->req.status = BUSY; BADF("Driver Timeout\n"); } else if (r->io_header.status) r->req.status = r->io_header.status; else if (s->driver_status & SG_ERR_DRIVER_SENSE) - r->req.status = CHECK_CONDITION << 1; + r->req.status = CHECK_CONDITION; else - r->req.status = GOOD << 1; + r->req.status = GOOD; } DPRINTF("Command complete 0x%p tag=0x%x status=%d\n", r, r->req.tag, r->req.status); @@ -333,7 +333,7 @@ static int32_t scsi_send_command(SCSIDevice *d, uint32_t tag, s->senselen = 7; s->driver_status = SG_ERR_DRIVER_SENSE; bus = scsi_bus_from_device(d); - bus->complete(bus, SCSI_REASON_DONE, tag, CHECK_CONDITION << 1); + bus->complete(bus, SCSI_REASON_DONE, tag, CHECK_CONDITION); return 0; }