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[Qemu-devel] [PATCH 6/9] virtio-blk: define VirtIOBlkConf
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 6/9] virtio-blk: define VirtIOBlkConf |
Date: |
Thu, 24 Nov 2011 13:38:25 +0100 |
It has only one field for now, but this will change soon...
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/s390-virtio-bus.c | 4 ++--
hw/s390-virtio-bus.h | 3 ++-
hw/virtio-blk.c | 13 ++++++-------
hw/virtio-blk.h | 5 +++++
hw/virtio-pci.c | 4 ++--
hw/virtio-pci.h | 3 ++-
hw/virtio.h | 3 ++-
7 files changed, 21 insertions(+), 14 deletions(-)
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 282688a..cf7cfef 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -129,7 +129,7 @@ static int s390_virtio_blk_init(VirtIOS390Device *dev)
VirtIODevice *vdev;
vdev = virtio_blk_init((DeviceState *)dev, &dev->block,
- &dev->block_serial);
+ &dev->blk);
if (!vdev) {
return -1;
}
@@ -348,7 +348,7 @@ static VirtIOS390DeviceInfo s390_virtio_blk = {
.qdev.size = sizeof(VirtIOS390Device),
.qdev.props = (Property[]) {
DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, block),
- DEFINE_PROP_STRING("serial", VirtIOS390Device, block_serial),
+ DEFINE_PROP_STRING("serial", VirtIOS390Device, blk.serial),
DEFINE_PROP_END_OF_LIST(),
},
};
diff --git a/hw/s390-virtio-bus.h b/hw/s390-virtio-bus.h
index b10c78b..1f47e4d 100644
--- a/hw/s390-virtio-bus.h
+++ b/hw/s390-virtio-bus.h
@@ -17,6 +17,7 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "virtio-blk.h"
#include "virtio-net.h"
#include "virtio-serial.h"
@@ -42,7 +43,7 @@ typedef struct VirtIOS390Device {
uint8_t feat_len;
VirtIODevice *vdev;
BlockConf block;
- char *block_serial;
+ VirtIOBlkConf blk;
uint32_t host_features;
virtio_serial_conf serial;
virtio_net_conf net;
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 19e89e7..e34140e 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -29,7 +29,7 @@ typedef struct VirtIOBlock
void *rq;
QEMUBH *bh;
BlockConf *conf;
- char *serial;
+ VirtIOBlkConf *blk;
unsigned short sector_mask;
DeviceState *qdev;
} VirtIOBlock;
@@ -397,7 +397,7 @@ static void virtio_blk_handle_request(VirtIOBlockReq *req,
* terminated by '\0' only when shorter than buffer.
*/
strncpy(req->elem.in_sg[0].iov_base,
- s->serial ? s->serial : "",
+ s->blk->serial ? s->blk->serial : "",
MIN(req->elem.in_sg[0].iov_len, VIRTIO_BLK_ID_BYTES));
virtio_blk_req_complete(req, VIRTIO_BLK_S_OK);
g_free(req);
@@ -570,8 +570,7 @@ static const BlockDevOps virtio_block_ops = {
.resize_cb = virtio_blk_resize,
};
-VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
- char **serial)
+VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf, VirtIOBlkConf
*blk)
{
VirtIOBlock *s;
int cylinders, heads, secs;
@@ -587,11 +586,11 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf
*conf,
return NULL;
}
- if (!*serial) {
+ if (!blk->serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(conf->bs);
if (*dinfo->serial) {
- *serial = strdup(dinfo->serial);
+ blk->serial = strdup(dinfo->serial);
}
}
@@ -604,7 +603,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf
*conf,
s->vdev.reset = virtio_blk_reset;
s->bs = conf->bs;
s->conf = conf;
- s->serial = *serial;
+ s->blk = blk;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
diff --git a/hw/virtio-blk.h b/hw/virtio-blk.h
index 244dce4..5f150f8 100644
--- a/hw/virtio-blk.h
+++ b/hw/virtio-blk.h
@@ -97,6 +97,11 @@ struct virtio_scsi_inhdr
uint32_t residual;
};
+struct VirtIOBlkConf
+{
+ char *serial;
+};
+
#ifdef __linux__
#define DEFINE_VIRTIO_BLK_FEATURES(_state, _field) \
DEFINE_VIRTIO_COMMON_FEATURES(_state, _field), \
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index f522156..bd111d0 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -670,7 +670,7 @@ static int virtio_blk_init_pci(PCIDevice *pci_dev)
proxy->class_code = PCI_CLASS_STORAGE_SCSI;
vdev = virtio_blk_init(&pci_dev->qdev, &proxy->block,
- &proxy->block_serial);
+ &proxy->blk);
if (!vdev) {
return -1;
}
@@ -808,7 +808,7 @@ static PCIDeviceInfo virtio_info[] = {
.qdev.props = (Property[]) {
DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
DEFINE_BLOCK_PROPERTIES(VirtIOPCIProxy, block),
- DEFINE_PROP_STRING("serial", VirtIOPCIProxy, block_serial),
+ DEFINE_PROP_STRING("serial", VirtIOPCIProxy, blk.serial),
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index 7654c84..195e852 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -15,6 +15,7 @@
#ifndef QEMU_VIRTIO_PCI_H
#define QEMU_VIRTIO_PCI_H
+#include "virtio-blk.h"
#include "virtio-net.h"
#include "virtio-serial.h"
#include "9pfs/virtio-9p-device.h"
@@ -33,7 +34,7 @@ typedef struct {
uint32_t class_code;
uint32_t nvectors;
BlockConf block;
- char *block_serial;
+ VirtIOBlkConf blk;
uint32_t host_features;
#ifdef CONFIG_LINUX
V9fsConf fsconf;
diff --git a/hw/virtio.h b/hw/virtio.h
index 9ed8dfc..da2941e 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -191,8 +191,9 @@ void virtio_bind_device(VirtIODevice *vdev, const
VirtIOBindings *binding,
void *opaque);
/* Base devices. */
+typedef struct VirtIOBlkConf VirtIOBlkConf;
VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf,
- char **serial);
+ VirtIOBlkConf *blk);
struct virtio_net_conf;
VirtIODevice *virtio_net_init(DeviceState *dev, struct virtio_net_conf *net);
typedef struct virtio_serial_conf virtio_serial_conf;
--
1.7.7.1
- [Qemu-devel] [PATCH 0/9] virtio: device configuration cleanup, Paolo Bonzini, 2011/11/24
- [Qemu-devel] [PATCH 5/9] virtio-9p: move property declarations to header file, Paolo Bonzini, 2011/11/24
- [Qemu-devel] [PATCH 6/9] virtio-blk: define VirtIOBlkConf,
Paolo Bonzini <=
- [Qemu-devel] [PATCH 7/9] virtio-blk: move property declarations to header file, Paolo Bonzini, 2011/11/24
- [Qemu-devel] [PATCH 8/9] virtio-blk: move BlockConf into VirtIOBlkConf, Paolo Bonzini, 2011/11/24
- [Qemu-devel] [PATCH 9/9] virtio: move conf fields into an anonymous union, Paolo Bonzini, 2011/11/24
- Re: [Qemu-devel] [PATCH 0/9] virtio: device configuration cleanup, Michael S. Tsirkin, 2011/11/28