PING: [PATCH v6 00/10] Support persistent reservation operations

[卢长奇]

Hi,

Klaus, the pr related operations of the
nvme layer are almost ready.

Stefan, the block layer has been modified
according to your comments.

Please help review the code again. Thanks!

On 2024/6/13 15:13, Changqi Lu wrote:
> Hi,
>
> patch v6 has been modified.
>
> v5->v6:
> - Add relevant comments in the io layer.
>
> v4->v5:
> - Fixed a memory leak bug at hw/nvme/ctrl.c.
>
> v3->v4:
> - At the nvme layer, the two patches of enabling the ONCS
> function and enabling rescap are combined into one.
> - At the nvme layer, add helper functions for pr capacity
> conversion between the block layer and the nvme layer.
>
> v2->v3:
> In v2 Persist Through Power Loss(PTPL) is enable default.
> In v3 PTPL is supported, which is passed as a parameter.
>
> v1->v2:
> - Add sg_persist --report-capabilities for SCSI protocol and enable
> oncs and rescap for NVMe protocol.
> - Add persistent reservation capabilities constants and helper functions for
> SCSI and NVMe protocol.
> - Add comments for necessary APIs.
>
> v1:
> - Add seven APIs about persistent reservation command for block layer.
> These APIs including reading keys, reading reservations, registering,
> reserving, releasing, clearing and preempting.
> - Add the necessary pr-related operation APIs for both the
> SCSI protocol and NVMe protocol at the device layer.
> - Add scsi driver at the driver layer to verify the functions
>
> Changqi Lu (10):
> block: add persistent reservation in/out api
> block/raw: add persistent reservation in/out driver
> scsi/constant: add persistent reservation in/out protocol constants
> scsi/util: add helper functions for persistent reservation types
> conversion
> hw/scsi: add persistent reservation in/out api for scsi device
> block/nvme: add reservation command protocol constants
> hw/nvme: add helper functions for converting reservation types
> hw/nvme: enable ONCS and rescap function
> hw/nvme: add reservation protocal command
> block/iscsi: add persistent reservation in/out driver
>
> block/block-backend.c | 403 +++++++++++++++++++++++++++
> block/io.c | 163 +++++++++++
> block/iscsi.c | 443 ++++++++++++++++++++++++++++++
> block/raw-format.c | 56 ++++
> hw/nvme/ctrl.c | 326 +++++++++++++++++++++-
> hw/nvme/ns.c | 5 +
> hw/nvme/nvme.h | 84 ++++++
> hw/scsi/scsi-disk.c | 352 ++++++++++++++++++++++++
> include/block/block-common.h | 40 +++
> include/block/block-io.h | 20 ++
> include/block/block_int-common.h | 84 ++++++
> include/block/nvme.h | 98 +++++++
> include/scsi/constants.h | 52 ++++
> include/scsi/utils.h | 8 +
> include/sysemu/block-backend-io.h | 24 ++
> scsi/utils.c | 81 ++++++
> 16 files changed, 2237 insertions(+), 2 deletions(-)
>