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virtio-scsi: Add VirtIOSCSIVring in VirtIOSCSIReq

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Move VirtIOSCSIReq to header and add one field "vring" as a wrapper
structure of Vring, VirtIOSCSIVring.

This is necessary for coming dataplane code that runs uses vring on
iothread.

Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Fam Zheng 2014-09-24 15:21:41 +08:00 committed by Paolo Bonzini
parent 19d339f11d
commit 244e2898b7
1 changed files with 14 additions and 1 deletions
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15
include/hw/virtio/virtio-scsi.h
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@ -17,6 +17,8 @@
#include "hw/virtio/virtio.h"
#include "hw/pci/pci.h"
#include "hw/scsi/scsi.h"
#include "sysemu/iothread.h"
#include "hw/virtio/dataplane/vring.h"
#define TYPE_VIRTIO_SCSI_COMMON "virtio-scsi-common"
#define VIRTIO_SCSI_COMMON(obj) \
@ -154,6 +156,15 @@ struct VirtIOSCSIConf {
IOThread *iothread;
};
struct VirtIOSCSI;
typedef struct {
struct VirtIOSCSI *parent;
Vring vring;
EventNotifier host_notifier;
EventNotifier guest_notifier;
} VirtIOSCSIVring;
typedef struct VirtIOSCSICommon {
VirtIODevice parent_obj;
VirtIOSCSIConf conf;
@ -165,7 +176,7 @@ typedef struct VirtIOSCSICommon {
VirtQueue **cmd_vqs;
} VirtIOSCSICommon;
typedef struct {
typedef struct VirtIOSCSI {
VirtIOSCSICommon parent_obj;
SCSIBus bus;
@ -186,6 +197,8 @@ typedef struct VirtIOSCSIReq {
* */
VirtQueueElement elem;
/* Set by dataplane code. */
VirtIOSCSIVring *vring;
SCSIRequest *sreq;
size_t resp_size;
enum SCSIXferMode mode;