Patchwork [01/16] virtio-scsi: Add wwpn and tgpt properties

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Submitter Zhiyong Wu
Date April 19, 2012, 2:38 a.m.
Message ID <1334803149-27379-2-git-send-email-zwu.kernel@gmail.com>
Download mbox | patch
Permalink /patch/153630/
State New
Headers show

Comments

Zhiyong Wu - April 19, 2012, 2:38 a.m.
From: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>

A vhost-scsi device must be bound to a tcm_vhost target port.  This will
be done by issuing an ioctl to the device with the wwpn and tgpt.  This
patch adds these properties to the virtio-scsi-pci device:

  qemu -device virtio-scsi-pci,wwpn=$TARGET_WWN,tgpt=$TPGT

Future patches will open /dev/vhost-scsi and issue the ioctl.

This patch also moves the virtio_scsi_init() prototype to
hw/virtio-scsi.h where the VirtIOSCSIConf structure is defined.  I think
this is cleaner than defining it in hw/virtio.h.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
---
 hw/virtio-scsi.c |    2 ++
 hw/virtio-scsi.h |    6 ++++++
 2 files changed, 8 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c
index 45d54fa..ff5d351 100644
--- a/hw/virtio-scsi.c
+++ b/hw/virtio-scsi.c
@@ -13,6 +13,8 @@ 
  *
  */
 
+#include "qemu-common.h"
+#include "qemu-error.h"
 #include "virtio-scsi.h"
 #include <hw/scsi.h>
 #include <hw/scsi-defs.h>
diff --git a/hw/virtio-scsi.h b/hw/virtio-scsi.h
index 4bc889d..895f620 100644
--- a/hw/virtio-scsi.h
+++ b/hw/virtio-scsi.h
@@ -33,4 +33,10 @@  struct VirtIOSCSIConf {
     DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF), \
     DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)
 
+typedef struct {
+    /* The tcm_vhost wwpn and tgpt */
+    char *wwpn;
+    char *tgpt;
+} VirtIOSCSIConf;
+
 #endif /* _QEMU_VIRTIO_SCSI_H */