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authorPaolo Bonzini <pbonzini@redhat.com>2011-04-18 17:14:51 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2011-05-26 12:14:15 +0200
commit19d110ab8af3308ce58d0936f085f0124930e7e7 (patch)
tree66655ab907e2b6f1ea43dce26b394789fbd1e280
parentc557e889156c5f5da23b4b047aea804aefce4982 (diff)
downloadqemu-19d110ab8af3308ce58d0936f085f0124930e7e7.tar.gz
scsi: introduce scsi_req_abort
This covers the case of canceling a request's I/O and still completing it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--hw/scsi-bus.c9
-rw-r--r--hw/scsi.h1
-rw-r--r--hw/spapr_vscsi.c8
3 files changed, 12 insertions, 6 deletions
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index c1e94fac9e..d6a055fa54 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -549,6 +549,15 @@ void scsi_req_complete(SCSIRequest *req)
scsi_req_unref(req);
}
+void scsi_req_abort(SCSIRequest *req, int status)
+{
+ req->status = status;
+ if (req->dev && req->dev->info->cancel_io) {
+ req->dev->info->cancel_io(req);
+ }
+ scsi_req_complete(req);
+}
+
void scsi_device_purge_requests(SCSIDevice *sdev)
{
SCSIRequest *req;
diff --git a/hw/scsi.h b/hw/scsi.h
index f1d8888aca..970e8129c9 100644
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -114,6 +114,7 @@ int scsi_req_parse(SCSIRequest *req, uint8_t *buf);
void scsi_req_print(SCSIRequest *req);
void scsi_req_data(SCSIRequest *req, int len);
void scsi_req_complete(SCSIRequest *req);
+void scsi_req_abort(SCSIRequest *req, int status);
void scsi_device_purge_requests(SCSIDevice *sdev);
#endif
diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 36dd7445af..24cebd1843 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -463,10 +463,8 @@ static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
dprintf("VSCSI: Queued request sense tag 0x%x\n", req->qtag);
if (n < 0) {
fprintf(stderr, "VSCSI: REQUEST_SENSE wants write data !?!?!?\n");
- sdev->info->cancel_io(req->sreq);
vscsi_makeup_sense(s, req, HARDWARE_ERROR, 0, 0);
- vscsi_send_rsp(s, req, CHECK_CONDITION, 0, 0);
- vscsi_put_req(s, req);
+ scsi_req_abort(req->sreq, CHECK_CONDITION);
return;
} else if (n == 0) {
return;
@@ -547,10 +545,8 @@ static void vscsi_command_complete(SCSIRequest *sreq, int reason, uint32_t arg)
}
if (rc < 0) {
fprintf(stderr, "VSCSI: RDMA error rc=%d!\n", rc);
- sdev->info->cancel_io(sreq);
vscsi_makeup_sense(s, req, HARDWARE_ERROR, 0, 0);
- vscsi_send_rsp(s, req, CHECK_CONDITION, 0, 0);
- vscsi_put_req(s, req);
+ scsi_req_abort(req->sreq, CHECK_CONDITION);
return;
}