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Re: [libvirt] [PATCH 00/15 v5] Unprivileged SG_IO support



Sorry for the duplicate posts. But I'm wondering why the
mail system delay the posting such long.

On 2012年12月05日 16:20, Osier Yang wrote:
Hi,

As a result of RFC [1], this implements the unprivleged SG_IO
support. Testing is not that enough, but I'd like see the
reviewing earlier, and meanwhile I'm not going to give up
the further testing.

v4 - v5 (5 new patches):
   * Set sysfs unpriv_sgio when attaching disk
   * Restore sysfs unpriv_sgio when detaching disk
   * Error out when attaching disk if it's shared by other
     (domains), and the disk conf conflicts.
   * Do not restore sysfs unpriv_sgio when detaching disk
     if the disk is still being used by other domain(s)
   * Dump the original unpriv_sgio state in status XML,
     so that it won't be lost after restarting or reloading
     libvirtd.

v3 - v4:
   * Rebase on the top
   * More testing

v2 - v3:
   * Change the XML tag name to "cdbfilter"
   * Maintain an internal list of shared disks for QEMU driver.

Patches 1/10 ~ 4/10 are to introduce the internal list for shared
disks.

Osier Yang (15):
   qemu: Introduce a list to maintain the shared disks between domains
   qemu: Init/Free the list with the driver's lifecyle
   qemu: Add/remove the shared disk entry during domain's lifecyle
   qemu: Add/Remove the entry of sharedDisks when live
     attaching/detaching
   docs: Add docs and rng schema for new XML cdbfilter
   conf: Parse and format the new XML tag cdbfilter
   util: Prepare helpers for unpriv_sgio setting
   qemu: Manage disk's cdbfilter in domain's lifecycle
   qemu: Do not restore the sysfs unpriv_sgio if the disk is being
     shared
   qemu: Error out when domain starting if the cdbfilter setting
     conflicts
   qemu: Set unpriv_sgio when attaching disk
   qemu: Restore unpriv_sgio when detaching disk
   qemu: Error out if the shared disk conf conflicts with others when
     attaching
   qemu: Do not restore unpriv_sgio if the disk is shared by other
     domain
   conf: Save disk's original unpriv_sgio state into status XML

  docs/formatdomain.html.in                          |   13 ++-
  docs/schemas/domaincommon.rng                      |   52 ++++--
  src/conf/domain_conf.c                             |  106 ++++++++++--
  src/conf/domain_conf.h                             |   13 ++
  src/libvirt_private.syms                           |    5 +
  src/qemu/qemu_conf.c                               |  170 ++++++++++++++++++++
  src/qemu/qemu_conf.h                               |   30 ++++
  src/qemu/qemu_driver.c                             |   78 +++++++++
  src/qemu/qemu_process.c                            |  141 ++++++++++++++++-
  src/qemu/qemu_process.h                            |    4 +
  src/util/util.c                                    |  145 +++++++++++++++++
  src/util/util.h                                    |    7 +
  ...ml2argv-disk-scsi-lun-passthrough-cdbfilter.xml |   32 ++++
  tests/qemuxml2xmltest.c                            |    1 +
  14 files changed, 761 insertions(+), 36 deletions(-)
  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-lun-passthrough-cdbfilter.xml

Regards,
Osier

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