[RFC v4 0/3] Add zoned storage emulation to virtio-blk driver

[Sam Li <faithilikerun@gmail.com>]

Note: the virtio-blk headers isn't upstream in the kernel yet therefore
marked as an RFC. More information can be found here:
https://patchwork.kernel.org/project/linux-block/cover/20221030043545.974223-1-dmitry.fomichev@wdc.com/

v4:
- change the way writing zone append request result to buffer
- change zone state, zone type value of virtio_blk_zone_descriptor
- add trace events for new zone APIs

v3:
- use qemuio_from_buffer to write status bit [Stefan]
- avoid using req->elem directly [Stefan]
- fix error checkings and memory leak [Stefan]

v2:
- change units of emulated zone op coresponding to block layer APIs
- modify error checking cases [Stefan, Damien]

v1:
- add zoned storage emulation

Sam Li (3):
  include: update virtio_blk headers
  virtio-blk: add zoned storage emulation for zoned devices
  virtio-blk: add some trace events for zoned emulation

 hw/block/trace-events                       |   7 +
 hw/block/virtio-blk-common.c                |   2 +
 hw/block/virtio-blk.c                       | 399 ++++++++++++++++++++
 include/standard-headers/linux/virtio_blk.h | 158 +++++++-
 4 files changed, 550 insertions(+), 16 deletions(-)

-- 
2.38.1