[Xen-devel] [PATCH v19 00/11] x86: guest resource mapping

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

This series introduces support for direct mapping of guest resources.
The resources are:
 - IOREQ server pages
 - Grant tables

v19:
 - Respond to Jan's latest comments and fix grant table verion setting lost in 
re-base

v18:
 - Re-base
 - Use the now-reference-counted emulating domain to host ioreq pages

v17:
 - Make sure ioreq page free-ing is done at domain destruction

v16:
 - Fix default ioreq server code and verified with qemu trad

v15:
 - Correct page ownership of ioreq pages

v14:
 - Responded to more comments from Jan.

v13:
 - Responded to more comments from Jan and Julien.
 - Build-tested using ARM cross-compilation.

v12:
 - Responded to more comments from Jan.

v11:
 - Responded to more comments from Jan.

v10:
 - Responded to comments from Jan.

v9:
 - Change to patch #1 only.

v8:
 - Re-ordered series and dropped two patches that have already been
   committed.

v7:
 - Fixed assertion failure hit during domain destroy.

v6:
 - Responded to missed comments from Roger.

v5:
 - Responded to review comments from Wei.

v4:
 - Responded to further review comments from Roger.

v3:
 - Dropped original patch #1 since it is covered by Juergen's patch.
 - Added new xenforeignmemorycleanup patch (#4).
 - Replaced the patch introducing the ioreq server 'is_default' flag with
   one that changes the ioreq server list into an array (#8).

Paul Durrant (11):
  x86/hvm/ioreq: maintain an array of ioreq servers rather than a list
  x86/hvm/ioreq: simplify code and use consistent naming
  x86/hvm/ioreq: use gfn_t in struct hvm_ioreq_page
  x86/hvm/ioreq: defer mapping gfns until they are actually requested
  x86/mm: add HYPERVISOR_memory_op to acquire guest resources
  x86/hvm/ioreq: add a new mappable resource type...
  x86/mm: add an extra command to HYPERVISOR_mmu_update...
  tools/libxenforeignmemory: add support for resource mapping
  tools/libxenforeignmemory: reduce xenforeignmemory_restrict code
    footprint
  common: add a new mappable resource type: XENMEM_resource_grant_table
  tools/libxenctrl: use new xenforeignmemory API to seed grant table

 tools/flask/policy/modules/xen.if                  |   4 +-
 tools/include/xen-sys/Linux/privcmd.h              |  11 +
 tools/libs/devicemodel/core.c                      |   8 +
 tools/libs/devicemodel/include/xendevicemodel.h    |   6 +-
 tools/libs/foreignmemory/Makefile                  |   2 +-
 tools/libs/foreignmemory/core.c                    |  53 ++
 tools/libs/foreignmemory/freebsd.c                 |   7 -
 .../libs/foreignmemory/include/xenforeignmemory.h  |  41 +
 tools/libs/foreignmemory/libxenforeignmemory.map   |   5 +
 tools/libs/foreignmemory/linux.c                   |  45 +
 tools/libs/foreignmemory/minios.c                  |   7 -
 tools/libs/foreignmemory/netbsd.c                  |   7 -
 tools/libs/foreignmemory/private.h                 |  43 +-
 tools/libs/foreignmemory/solaris.c                 |   7 -
 tools/libxc/include/xc_dom.h                       |   8 +-
 tools/libxc/xc_dom_boot.c                          | 114 ++-
 tools/libxc/xc_sr_restore_x86_hvm.c                |  10 +-
 tools/libxc/xc_sr_restore_x86_pv.c                 |   2 +-
 tools/libxl/libxl_dom.c                            |   1 -
 tools/python/xen/lowlevel/xc/xc.c                  |   6 +-
 xen/arch/x86/hvm/dm.c                              |   9 +-
 xen/arch/x86/hvm/ioreq.c                           | 910 ++++++++++++---------
 xen/arch/x86/mm.c                                  |  60 +-
 xen/arch/x86/mm/p2m.c                              |   3 +-
 xen/common/compat/memory.c                         | 100 +++
 xen/common/grant_table.c                           |  74 +-
 xen/common/memory.c                                | 146 ++++
 xen/include/asm-arm/mm.h                           |   8 +
 xen/include/asm-arm/p2m.h                          |  10 +
 xen/include/asm-x86/hvm/domain.h                   |  15 +-
 xen/include/asm-x86/hvm/ioreq.h                    |   2 +
 xen/include/asm-x86/mm.h                           |   5 +
 xen/include/asm-x86/p2m.h                          |   3 +
 xen/include/public/hvm/dm_op.h                     |  36 +-
 xen/include/public/memory.h                        |  69 +-
 xen/include/public/xen.h                           |  12 +-
 xen/include/xen/grant_table.h                      |   4 +
 xen/include/xlat.lst                               |   1 +
 xen/include/xsm/dummy.h                            |   6 +
 xen/include/xsm/xsm.h                              |   6 +
 xen/xsm/dummy.c                                    |   1 +
 xen/xsm/flask/hooks.c                              |   6 +
 xen/xsm/flask/policy/access_vectors                |   2 +
 43 files changed, 1361 insertions(+), 514 deletions(-)
---
Cc: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: "Marek Marczykowski-Górecki" <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
Cc: Paul Durrant <paul.durrant@xxxxxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
Cc: Chao Gao <chao.gao@xxxxxxxxx>

-- 
2.11.0


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