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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/2] libxl: add support for pvscsi, iteration 13
CC Ian -- I think he followed more closely than I did.
On Fri, Feb 17, 2017 at 10:49:54AM +0000, Olaf Hering wrote:
> Port vscsi=[] and scsi-{attach,detach,list} commands from xend to libxl.
>
> libvirt uses its existing SCSI support:
> http://lists.xenproject.org/archives/html/xen-devel/2015-04/msg02963.html
>
> targetcli/rtslib has to be aware of xen-scsiback (upstream unresponsive):
> http://article.gmane.org/gmane.linux.scsi.target.devel/8146
>
> TODO:
> - document pvscsi in xen wiki
> - find a way to carry vscsi devices during live migration to remote host
> could be done with using 'string' for pdev/vdev in idl
>
> Changes between v12 and v13:
> - rebase to 'staging' (936a7a5..a7a578ce6b)
> - rebase to 'staging' (8b27d2b..936a7a5)
>
> Changes between v11 and v12:
> - rebase to 'staging' (3dac42f..8b27d2b)
> - rebase to 'staging' (a35dc6c..3dac42f)
> - Rework API of xlu_vscsi_get_ctrl
> - Sanitize input from frontend in vscsi_fill_ctrl
> - Use macro for libxl_ctrl_index
> https://lists.xenproject.org/archives/html/xen-devel/2016-04/msg01772.html
>
> Changes between v10 and v11:
> - rebase to 'staging' (d887c19..a35dc6c)
> - rebase to 'staging' (829e03c..d887c19)
> - Remove evtch and rref from vscsiinfo
> - Remove COMPARE_VSCSI, use COMPARE_DEVID
> - Remove vscsi_wwn_valid helpers, use sscanf instead
> http://lists.xenproject.org/archives/html/xen-devel/2016-04/msg01120.html
>
> Changes between v9 and v10:
> - rebase to 'staging' (3b971de..829e03c)
> http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg02773.html
>
> Changes between v8 and v9:
> - Mention libxl_ctrl_index in vscsiif.h
> - Rename idx to libxl_ctrl_index
> - Fix device assignment in vscsidev_remove
> - Add vscsictrls to multidev callchain
> - Reorder some functions
> - Move and rename vscsidev_rm
> - Remove libxl prefix from static functions
> - Reorder functions in libxl_vscsi.c
> - Add comment to libxl_vscsidev_aodev_cb
> - Move libxl_device_vscsictrl_remove into libxl_vscsi.c
> - Enclose libxl__device instead of aodev in libxl__vscsidev_rm
> - Update typedef of libxl__vscsidev_rm
> - Assign devid earlier in libxl__device_vscsictrl_add
> - Rework xlu_vscsi_get_ctrl and main_vscsiattach
> - Add config idx also to libxl_vscsiinfo
> - Make libxl__vscsi_collect_ctrls static
> - Implement libxl_device_vscsidev_add
> - Move vscsictrl add from libxl.c to libxl_vscsi.c
> - Export libxl__device_nextid for internal use
> - Remove some checks for empty controllers
> - Introduce an idx file to present the config index in empty vscsictrls
> - Use libxl__ev_devstate_wait in libxl__device_vscsictrl_reconfigure_add
> - Rework error handling in libxl__vscsi_fill_ctrl
> - Remove state checking from libxl__vscsi_fill_dev
> - Wrap long lines in libxl__device_vscsictrl_new_backend
> - Use LIBXL_DESTROY_TIMEOUT in libxl__device_vscsidev_rm
> - Remove tab from libxl__vscsi_collect_ctrls
> - Goto out if libxl__device_vscsidev_backend_set_add fails
> - Add fallthrough to libxl__device_vscsidev_backend_set_add
> - Fix typo in xl.cfg.pod: naa.
> - Wrap long line in xl.cfg.pod.5
> - Use memmove in libxl_device_vscsictrl_remove_vscsidev
> - Adjust code in main_vscsilist to fit in 80 chars
> - Align switch and case to gain 4 columns
> - Wrap long line in libxl__device_vscsi_reconfigure_rm
> - Wrap long line in libxl__device_vscsidev_rm_be
> - Adjust flexarray size in libxl__device_vscsi_reconfigure_rm
> - Rework libxl_device_vscsidev_remove
> - Introduce libxl_device_vscsictrl_remove_vscsidev
> - Use stack variables in xlu_vscsi_get_ctrl
> - Rename function names to refer to vscsictrl
> - Rename local variables to refer to vscsictrl
> - Use generic vscsictrl->devid
> http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg03196.html
>
> Changes between v7 and v8:
> - Make be_path const in libxl__device_vscsictrl_add
> - Adjust years in Copyright
> - Whitespace in libxl_device_vscsictrl idl
> - Implement libxl_device_vscsictrl_destroy
> - Set backend_devid
> - Reorder assignments in libxl__device_vscsictrl_add
> - Whitespace changes for libxl__device_vscsi_reconfigure_add
> - Register watch unconditionally in libxl__device_vscsidev_rm
> - Wait for StateClosing for unconnected frontends in detach
> - Adjust logic in libxl__vscsi_fill_dev
> - Rework scsi-detach
> - Increase swap partition from 12 to 96 blocks for mkswap
> - Update MERGE macro for vscsictrls
> http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg01662.html
>
> Changes between v6 and v7:
> - rebase to 'staging' (3b971de)
> - Introduce libxl_device_vscsictrl_append_vscsidev
> - Add libxl__vscsi_collect_ctrls and used it in libxl_device_vscsictrl_list
> - Convert type of lun from u32 to u64 per SCSI spec
> - Use vscsi_saved in libxl__device_vscsictrl_add
> - Assign unique vscsidev_id per vscsictrl
> - Rename vscsi_dev to vscsidev in function names
> - Rename variables in libxl_vscsiinfo
> - Rename locals to refer to ctrl/dev
> - Rename various strings from host to ctrl
> - Rename local variables vscsi_ctrl to vscsictrl
> - Rename libxl_device_vscsictrl->vscsi_devs to vscsidevs
> - Remove libxl_device_vscsidev->remove, rework detach
> - Rename libxl_device_vscsidev->vscsi_dev_id to vscsidev_id
> - Rename local variables vscsi_host to vscsi_ctrl
> - Rename local variables v_hst to v_ctrl
> - Remove libxl_device_vscsictrl->v_hst
> - Rename libxl_vscsi_dev to libxl_device_vscsidev
> - Rename libxl_device_vscsi to libxl_device_vscsictrl
> http://lists.xenproject.org/archives/html/xen-devel/2016-02/msg00884.html
>
> Changes between v5 and v6:
> - rebase to 'staging' (a7b39c8 and b7e7ad8)
> - Fix off-by-one in xlu__vscsi_compare_udev
> - xl.cfg: use options instead of option
> - xl.cfg: fix grammar for pdev/options
> - xl.cfg: fix Usually typo
> - Remove next_vscsi_dev_id from libxl_device_vscsi
> - Use XLU_WWN_LEN also in libxl_vscsi.c
> http://lists.xenproject.org/archives/html/xen-devel/2015-11/msg01446.html
>
> Changes between v4 and v5:
> - vscsiif.h: refer to backend_domid
> - Set update_json in libxl_device_vscsi_remove
> - Remove comment from libxl__device_vscsi_add
> - Remove debug LOG from libxl__device_vscsi_reconfigure
> - Move local nb variable in libxl__device_vscsi_reconfigure
> - Make be_path const in libxl__device_vscsi_reconfigure
> - Adjust libxl__device_vscsi_dev_backend_set to avoid long lines
> - Adjust libxl__device_vscsi_dev_backend_rm to avoid long lines
> - Use CTX in libxl__device_vscsi_dev_backend_rm
> - Make be_path const in libxl__device_vscsi_dev_backend_rm
> - xl.cfg: Its typo
> - xl.cfg: Use persistent instead of persistant
> - Rename feature_host to scsi_raw_cmds
> - target-create-xen-scsiback.sh: detect pvops and xenlinux
> - Wrap long lines in main_vscsilist
> - Call libxl_vscsiinfo_dispose unconditional
> - Let scsi-list print p-dev instead of p-devname
> - Handle broken vscsi device entry in xenstore
> - Split libxl__vscsi_fill_host from libxl_device_vscsi_list
> - Make xlu_vscsi_append_dev static
> - Remove reference to pvscsi.txt from xenstore-paths.markdown
> - xl.cfg: update Linux and xenlinux
> - xl.cfg: refer to backend domain instead of dom0
> - xl.cfg: be more verbose what persistant format is
> - return if libxl__device_vscsi_dev_backend_set fails in
> libxl__device_vscsi_new_backend
> - target-create-xen-scsiback.sh: set also alias for libvirt
> http://lists.xenproject.org/archives/html/xen-devel/2015-05/msg00523.html
>
> Changes between v3 and v4:
> - Use libxl__device_nextid in libxl__device_vscsi_add
> - Remove check for duplicate pdev assignment from libxl_device_vscsi_get_host
> - Caller provides libxl_device_vscsi to libxl_device_vscsi_get_host
> - Define LIBXL_HAVE_VSCSI
> - Remove init_val from libxl_vscsi_pdev_type
> - Move some functions from libxl to libxlu
> - Introduce libxl_device_vscsi->next_vscsi_dev_id to handle holes
> - Use Struct in KeyedUnion for ocaml idl
> - docs: Mention pvscsi in xl and xl.cfg
> - Turn feature_host into a defbool and add checking
> - Support pvops and /dev/ nodes in config
> - Wrap entire libxlu_vscsi.c with ifdef linux
> - Set remove flag in libxl_device_vscsi_list
> - Fix vscsiif path in xenstore-paths.markdown
> - vscsiif.h: add some notes about xenstore layout
> - Add copyright to libxlu_vscsi.c and libxl_vscsi.c
> - Scripts to create and delete xen-scsiback nodes in Linux target framework
> - Remove pvscsi.txt
> http://lists.xenproject.org/archives/html/xen-devel/2015-04/msg01949.html
>
> Changes between v2 and v3:
> - Adjust change for vscsiif.h
> - Support "naa.wwn:lun" notation in pvops kernel
> - Add example for pvops kernel using targetcli
> patch required for python-rtslib:
> http://article.gmane.org/gmane.linux.scsi.target.devel/8146
> - Use vdev variable in libxl_device_vscsi_parse
> http://lists.xenproject.org/archives/html/xen-devel/2015-03/msg00734.html
>
> Changes between v1 and v2:
> - ported to current staging
> http://lists.xenproject.org/archives/html/xen-devel/2015-03/msg00030.html
>
> Initial attempt was sent a year ago:
> http://lists.xenproject.org/archives/html/xen-devel/2014-04/msg03958.html
> Most comments are addressed.
>
> This version has been tested with SLES as backend and frontend.
> This version has been tested with pvops as backend and SLES as frontend.
>
>
>
> Olaf Hering (2):
> libxl: add support for vscsi
> Scripts to create and delete xen-scsiback nodes in Linux target
> framework
>
> docs/man/xl.cfg.pod.5.in | 56 ++
> docs/man/xl.pod.1.in | 18 +
> tools/libxl/Makefile | 2 +
> tools/libxl/libxl.h | 42 ++
> tools/libxl/libxl_create.c | 1 +
> tools/libxl/libxl_internal.h | 1 +
> tools/libxl/libxl_types.idl | 53 ++
> tools/libxl/libxl_types_internal.idl | 1 +
> tools/libxl/libxl_vscsi.c | 1176
> ++++++++++++++++++++++++++++++
> tools/libxl/libxlu_vscsi.c | 667 +++++++++++++++++
> tools/libxl/libxlutil.h | 19 +
> tools/libxl/xl.h | 3 +
> tools/libxl/xl_cmdimpl.c | 225 +++++-
> tools/libxl/xl_cmdtable.c | 15 +
> tools/misc/Makefile | 4 +
> tools/misc/target-create-xen-scsiback.sh | 135 ++++
> tools/misc/target-delete-xen-scsiback.sh | 41 ++
> 17 files changed, 2458 insertions(+), 1 deletion(-)
> create mode 100644 tools/libxl/libxl_vscsi.c
> create mode 100644 tools/libxl/libxlu_vscsi.c
> create mode 100755 tools/misc/target-create-xen-scsiback.sh
> create mode 100755 tools/misc/target-delete-xen-scsiback.sh
>
>
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