Displaying 20 results from an estimated 109 matches for "virtio_blk_f_blk_size".
2014 Dec 01
2
[PATCH v7 16/46] virtio_blk: v1.0 support
...;
> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> ...
> >
> > -static unsigned int features[] = {
> > +static unsigned int features_legacy[] = {
> > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
> > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
> > VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
> > VIRTIO_BLK_F_MQ,
> > +}
> > +;
> > +static unsigned int features[] = {
> > + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
> > + VIRTIO_B...
2014 Dec 01
2
[PATCH v7 16/46] virtio_blk: v1.0 support
...;
> > Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
> ...
> >
> > -static unsigned int features[] = {
> > +static unsigned int features_legacy[] = {
> > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
> > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
> > VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
> > VIRTIO_BLK_F_MQ,
> > +}
> > +;
> > +static unsigned int features[] = {
> > + VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
> > + VIRTIO_B...
2014 Nov 30
3
[PATCH v7 16/46] virtio_blk: v1.0 support
...TIO_F_VERSION_1);
return writeback;
}
@@ -821,25 +823,35 @@ static const struct virtio_device_id id_table[] = {
{ 0 },
};
-static unsigned int features[] = {
+static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
+}
+;
+static unsigned int features[] = {
+ VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
+ VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
+ VIRTIO_BLK_F_TOPOLOGY,
+ VIRTIO_BLK_...
2014 Nov 30
3
[PATCH v7 16/46] virtio_blk: v1.0 support
...TIO_F_VERSION_1);
return writeback;
}
@@ -821,25 +823,35 @@ static const struct virtio_device_id id_table[] = {
{ 0 },
};
-static unsigned int features[] = {
+static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
+}
+;
+static unsigned int features[] = {
+ VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
+ VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
+ VIRTIO_BLK_F_TOPOLOGY,
+ VIRTIO_BLK_...
2008 May 27
1
[PATCH/RFC] virtio_blk: check for hardsector size from host
...index_to_minor(index) >= 1 << MINORBITS)
return -ENOSPC;
@@ -290,6 +291,13 @@ static int virtblk_probe(struct virtio_d
if (!err)
blk_queue_max_hw_segments(vblk->disk->queue, v);
+ /* Host can optionally specify the block size of the device */
+ err = virtio_config_val(vdev, VIRTIO_BLK_F_BLK_SIZE,
+ offsetof(struct virtio_blk_config, blk_size),
+ &blk_size);
+ if (!err)
+ blk_queue_hardsect_size(vblk->disk->queue, blk_size);
+
add_disk(vblk->disk);
return 0;
@@ -329,7 +337,7 @@ static struct virtio_device_id id_table[
static unsigned int features[] = {
VIRTIO_...
2008 May 27
1
[PATCH/RFC] virtio_blk: check for hardsector size from host
...index_to_minor(index) >= 1 << MINORBITS)
return -ENOSPC;
@@ -290,6 +291,13 @@ static int virtblk_probe(struct virtio_d
if (!err)
blk_queue_max_hw_segments(vblk->disk->queue, v);
+ /* Host can optionally specify the block size of the device */
+ err = virtio_config_val(vdev, VIRTIO_BLK_F_BLK_SIZE,
+ offsetof(struct virtio_blk_config, blk_size),
+ &blk_size);
+ if (!err)
+ blk_queue_hardsect_size(vblk->disk->queue, blk_size);
+
add_disk(vblk->disk);
return 0;
@@ -329,7 +337,7 @@ static struct virtio_device_id id_table[
static unsigned int features[] = {
VIRTIO_...
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +833,14 @@ static const struct virtio_device_id id_table[] = {
static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
- VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
+ VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_B...
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +833,14 @@ static const struct virtio_device_id id_table[] = {
static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
- VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
+ VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_B...
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +838,14 @@ static const struct virtio_device_id id_table[] = {
static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
- VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
+ VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_B...
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +838,14 @@ static const struct virtio_device_id id_table[] = {
static unsigned int features_legacy[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_SCSI,
- VIRTIO_BLK_F_WCE, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
+ VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
VIRTIO_BLK_F_MQ,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_B...
2009 Sep 29
1
[PATCH 1/4] virtio_blk: deprecate the 1024-byte ID field.
...__u64 capacity;
+ /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
+ __u32 size_max;
+ /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
+ __u32 seg_max;
+ /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
+ struct virtio_blk_geometry geometry;
+ /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
+ __u32 blk_size;
+ __u8 identify[VIRTIO_BLK_ID_BYTES];
+} __attribute__((packed));
+
static int virtblk_identify(struct gendisk *disk, void *argp)
{
struct virtio_blk *vblk = disk->private_data;
@@ -196,7 +212,7 @@ static int virtblk_identify(struct gendi
goto out;
err = virtio_c...
2009 Sep 29
1
[PATCH 1/4] virtio_blk: deprecate the 1024-byte ID field.
...__u64 capacity;
+ /* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
+ __u32 size_max;
+ /* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */
+ __u32 seg_max;
+ /* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */
+ struct virtio_blk_geometry geometry;
+ /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
+ __u32 blk_size;
+ __u8 identify[VIRTIO_BLK_ID_BYTES];
+} __attribute__((packed));
+
static int virtblk_identify(struct gendisk *disk, void *argp)
{
struct virtio_blk *vblk = disk->private_data;
@@ -196,7 +212,7 @@ static int virtblk_identify(struct gendi
goto out;
err = virtio_c...
2020 Jul 15
3
[PATCH] virtio-blk: check host supplied logical block size
...)
+{
+ return blksize >= 512 && blksize <= PAGE_SIZE && is_power_of_2(blksize);
+}
+
static int virtblk_probe(struct virtio_device *vdev)
{
struct virtio_blk *vblk;
@@ -809,9 +815,16 @@ static int virtblk_probe(struct virtio_device *vdev)
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_BLK_SIZE,
struct virtio_blk_config, blk_size,
&blk_size);
- if (!err)
+ if (!err) {
+ if (!virtblk_valid_block_size(blk_size)) {
+ dev_err(&vdev->dev,
+ "%s failure: unsupported logical block size %d\n",
+ __func__, blk_size);
+ err = -EINVAL;
+ goto out_cle...
2020 Jul 15
3
[PATCH] virtio-blk: check host supplied logical block size
...)
+{
+ return blksize >= 512 && blksize <= PAGE_SIZE && is_power_of_2(blksize);
+}
+
static int virtblk_probe(struct virtio_device *vdev)
{
struct virtio_blk *vblk;
@@ -809,9 +815,16 @@ static int virtblk_probe(struct virtio_device *vdev)
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_BLK_SIZE,
struct virtio_blk_config, blk_size,
&blk_size);
- if (!err)
+ if (!err) {
+ if (!virtblk_valid_block_size(blk_size)) {
+ dev_err(&vdev->dev,
+ "%s failure: unsupported logical block size %d\n",
+ __func__, blk_size);
+ err = -EINVAL;
+ goto out_cle...
2017 Jul 05
3
[PATCH v2] virtio-blk: add DISCARD support to virtio-blk driver
...ce *vdev)
VIRTIO_BLK_F_SCSI,
#endif
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
};
static struct virtio_driver virtio_blk = {
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
index 9ebe4d9..3354cc3 100644
--- a/inc...
2017 Jul 05
3
[PATCH v2] virtio-blk: add DISCARD support to virtio-blk driver
...ce *vdev)
VIRTIO_BLK_F_SCSI,
#endif
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
};
static struct virtio_driver virtio_blk = {
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
index 9ebe4d9..3354cc3 100644
--- a/inc...
2017 Mar 28
6
[PATCH] virtio-blk: add DISCARD support to virtio-blk driver
...ce *vdev)
VIRTIO_BLK_F_SCSI,
#endif
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
};
static struct virtio_driver virtio_blk = {
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
index 9ebe4d9..d608649 100644
--- a/inc...
2017 Mar 28
6
[PATCH] virtio-blk: add DISCARD support to virtio-blk driver
...ce *vdev)
VIRTIO_BLK_F_SCSI,
#endif
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
}
;
static unsigned int features[] = {
VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY,
VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE,
- VIRTIO_BLK_F_MQ,
+ VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
};
static struct virtio_driver virtio_blk = {
diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
index 9ebe4d9..d608649 100644
--- a/inc...
2017 Mar 28
1
[PATCH] virtio-blk: add DISCARD support to virtio-blk driver
...GY,
> VIRTIO_BLK_F_CONFIG_WCE,
> > - VIRTIO_BLK_F_MQ,
> > + VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
> > }
> > ;
> > static unsigned int features[] = {
> > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX,
> VIRTIO_BLK_F_GEOMETRY,
> > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
> > VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY,
> VIRTIO_BLK_F_CONFIG_WCE,
> > - VIRTIO_BLK_F_MQ,
> > + VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
> > };
> >
> > static struct virtio_driver virtio_blk = {
> > diff --git a/include/uapi/linux/virtio_blk.h...
2017 Mar 28
1
[PATCH] virtio-blk: add DISCARD support to virtio-blk driver
...GY,
> VIRTIO_BLK_F_CONFIG_WCE,
> > - VIRTIO_BLK_F_MQ,
> > + VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
> > }
> > ;
> > static unsigned int features[] = {
> > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX,
> VIRTIO_BLK_F_GEOMETRY,
> > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE,
> > VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY,
> VIRTIO_BLK_F_CONFIG_WCE,
> > - VIRTIO_BLK_F_MQ,
> > + VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD,
> > };
> >
> > static struct virtio_driver virtio_blk = {
> > diff --git a/include/uapi/linux/virtio_blk.h...