From patchwork Thu Nov 26 14:34:00 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 39534 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 59445B6EEC for ; Fri, 27 Nov 2009 02:26:18 +1100 (EST) Received: from localhost ([127.0.0.1]:54090 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NDgEZ-0008FQ-PI for incoming@patchwork.ozlabs.org; Thu, 26 Nov 2009 10:26:15 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NDfR1-0006r0-B7 for qemu-devel@nongnu.org; Thu, 26 Nov 2009 09:35:04 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NDfQs-0006l3-Tp for qemu-devel@nongnu.org; Thu, 26 Nov 2009 09:34:59 -0500 Received: from [199.232.76.173] (port=56165 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NDfQs-0006kN-1y for qemu-devel@nongnu.org; Thu, 26 Nov 2009 09:34:54 -0500 Received: from mx1.redhat.com ([209.132.183.28]:34860) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NDfQr-0000Gh-Ge for qemu-devel@nongnu.org; Thu, 26 Nov 2009 09:34:53 -0500 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nAQEYqrX009014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 26 Nov 2009 09:34:52 -0500 Received: from zweiblum.home.kraxel.org (vpn2-8-164.ams2.redhat.com [10.36.8.164]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with SMTP id nAQEYfA9001308; Thu, 26 Nov 2009 09:34:43 -0500 Received: by zweiblum.home.kraxel.org (Postfix, from userid 500) id 3B24E70112; Thu, 26 Nov 2009 15:34:18 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Thu, 26 Nov 2009 15:34:00 +0100 Message-Id: <1259246056-5389-15-git-send-email-kraxel@redhat.com> In-Reply-To: <1259246056-5389-1-git-send-email-kraxel@redhat.com> References: <1259246056-5389-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.21 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. Cc: Gerd Hoffmann Subject: [Qemu-devel] [PATCH 14/30] scsi: move status to SCSIRequest. 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 Also add and use the scsi_req_complete() helper function for calling the completion callback. Signed-off-by: Gerd Hoffmann --- hw/scsi-bus.c | 9 +++++++++ hw/scsi-disk.c | 13 ++++++++----- hw/scsi-generic.c | 18 ++++++++---------- hw/scsi.h | 2 ++ 4 files changed, 27 insertions(+), 15 deletions(-) diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index 666ca3c..2e4fd38 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -132,6 +132,7 @@ SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t l req->dev = d; req->tag = tag; req->lun = lun; + req->status = -1; QTAILQ_INSERT_TAIL(&d->requests, req, next); return req; } @@ -362,3 +363,11 @@ int scsi_req_parse(SCSIRequest *req, uint8_t *buf) req->cmd.lba = scsi_req_lba(req); return 0; } + +void scsi_req_complete(SCSIRequest *req) +{ + assert(req->status != -1); + req->bus->complete(req->bus, SCSI_REASON_DONE, + req->tag, + req->status); +} diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 2fc6cf9..bc8270c 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -84,16 +84,19 @@ static SCSIDiskReq *scsi_find_request(SCSIDiskState *s, uint32_t tag) return DO_UPCAST(SCSIDiskReq, req, scsi_req_find(&s->qdev, tag)); } +static void scsi_req_set_status(SCSIRequest *req, int status, int sense_code) +{ + req->status = status; + scsi_dev_set_sense(req->dev, sense_code); +} + /* Helper function for command completion. */ static void scsi_command_complete(SCSIDiskReq *r, int status, int sense) { - SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); - uint32_t tag; DPRINTF("Command complete tag=0x%x status=%d sense=%d\n", r->req.tag, status, sense); - scsi_dev_set_sense(&s->qdev, sense); - tag = r->req.tag; - r->req.bus->complete(r->req.bus, SCSI_REASON_DONE, tag, status); + scsi_req_set_status(&r->req, status, sense); + scsi_req_complete(&r->req); scsi_remove_request(r); } diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 613d5a6..c612abf 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -88,30 +88,28 @@ static void scsi_command_complete(void *opaque, int ret) { SCSIGenericReq *r = (SCSIGenericReq *)opaque; SCSIGenericState *s = DO_UPCAST(SCSIGenericState, qdev, r->req.dev); - uint32_t tag; - int status; s->driver_status = r->io_header.driver_status; if (s->driver_status & SG_ERR_DRIVER_SENSE) s->senselen = r->io_header.sb_len_wr; if (ret != 0) - status = BUSY << 1; + r->req.status = BUSY << 1; else { if (s->driver_status & SG_ERR_DRIVER_TIMEOUT) { - status = BUSY << 1; + r->req.status = BUSY << 1; BADF("Driver Timeout\n"); } else if (r->io_header.status) - status = r->io_header.status; + r->req.status = r->io_header.status; else if (s->driver_status & SG_ERR_DRIVER_SENSE) - status = CHECK_CONDITION << 1; + r->req.status = CHECK_CONDITION << 1; else - status = GOOD << 1; + r->req.status = GOOD << 1; } DPRINTF("Command complete 0x%p tag=0x%x status=%d\n", - r, r->req.tag, status); - tag = r->req.tag; - r->req.bus->complete(r->req.bus, SCSI_REASON_DONE, tag, status); + r, r->req.tag, r->req.status); + + scsi_req_complete(&r->req); scsi_remove_request(r); } diff --git a/hw/scsi.h b/hw/scsi.h index 788c459..2fe8c12 100644 --- a/hw/scsi.h +++ b/hw/scsi.h @@ -33,6 +33,7 @@ typedef struct SCSIRequest { SCSIDevice *dev; uint32_t tag; uint32_t lun; + uint32_t status; struct { uint8_t buf[SCSI_CMD_BUF_SIZE]; int len; @@ -106,5 +107,6 @@ SCSIRequest *scsi_req_find(SCSIDevice *d, uint32_t tag); void scsi_req_free(SCSIRequest *req); int scsi_req_parse(SCSIRequest *req, uint8_t *buf); +void scsi_req_complete(SCSIRequest *req); #endif