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Not entirely surprising: the ongoing QEMU work on virtio 1.0 has revealed

Browse source 
more minor issues with our virtio 1.0 drivers just introduced in the
 kernel.
 
 (I would normally use my fixes branch for this, but there were a batch of them...)
 
 Thanks,
 Rusty.
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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio fixes from Rusty Russell:
 "Not entirely surprising: the ongoing QEMU work on virtio 1.0 has
  revealed more minor issues with our virtio 1.0 drivers just introduced
  in the kernel.

  (I would normally use my fixes branch for this, but there were a batch
  of them...)"

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_mmio: fix access width for mmio
  uapi/virtio_scsi: allow overriding CDB/SENSE size
  virtio_mmio: generation support
  virtio_rpmsg: set DRIVER_OK before using device
  9p/trans_virtio: fix hot-unplug
  virtio-balloon: do not call blocking ops when !TASK_RUNNING
  virtio_blk: fix comment for virtio 1.0
  virtio_blk: typo fix
  virtio_balloon: set DRIVER_OK before using device
  virtio_console: avoid config access from irq
  virtio_console: init work unconditionally
This commit is contained in:
Linus Torvalds 2015-03-17 10:36:01 -07:00
commit 4d272f90a7
7 changed files with 168 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/uapi/linux/virtio_blk.h
View file

@ -60,7 +60,7 @@ struct virtio_blk_config {
__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) */
/* geometry of the device (if VIRTIO_BLK_F_GEOMETRY) */
struct virtio_blk_geometry {
__u16 cylinders;
__u8 heads;
@ -119,7 +119,11 @@ struct virtio_blk_config {
#define VIRTIO_BLK_T_BARRIER 0x80000000
#endif /* !VIRTIO_BLK_NO_LEGACY */
/* This is the first element of the read scatter-gather list. */
/*
* This comes first in the read scatter-gather list.
* For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated,
* this is the first element of the read scatter-gather list.
*/
struct virtio_blk_outhdr {
/* VIRTIO_BLK_T* */
__virtio32 type;

12
include/uapi/linux/virtio_scsi.h
View file

@ -29,8 +29,16 @@
#include <linux/virtio_types.h>
#define VIRTIO_SCSI_CDB_SIZE 32
#define VIRTIO_SCSI_SENSE_SIZE 96
/* Default values of the CDB and sense data size configuration fields */
#define VIRTIO_SCSI_CDB_DEFAULT_SIZE 32
#define VIRTIO_SCSI_SENSE_DEFAULT_SIZE 96
#ifndef VIRTIO_SCSI_CDB_SIZE
#define VIRTIO_SCSI_CDB_SIZE VIRTIO_SCSI_CDB_DEFAULT_SIZE
#endif
#ifndef VIRTIO_SCSI_SENSE_SIZE
#define VIRTIO_SCSI_SENSE_SIZE VIRTIO_SCSI_SENSE_DEFAULT_SIZE
#endif
/* SCSI command request, followed by data-out */
struct virtio_scsi_cmd_req {