[Xen-devel] [PATCH v3 00/12] x86: guest resource mapping

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

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

NOTE: This series is based on a master re-base of Juergen Gross's patch "xen: 
move
XENMAPSPACE_grant_table code into grant_table.c". For convenience the code is 
also available
on a branch at:

http://xenbits.xen.org/gitweb/?p=people/pauldu/xen.git;a=shortlog;h=refs/heads/ioreq6

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 (12):
  x86/mm: allow a privileged PV domain to map guest mfns
  x86/mm: add HYPERVISOR_memory_op to acquire guest resources
  tools/libxenforeignmemory: add support for resource mapping
  tools/libxenforeignmemory: reduce xenforeignmemory_restrict code
    footprint
  tools/libxenctrl: use new xenforeignmemory API to seed grant table
  x86/hvm/ioreq: rename .*pfn and .*gmfn to .*gfn
  x86/hvm/ioreq: use bool rather than bool_t
  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 requsted
  x86/hvm/ioreq: add a new mappable resource type...

 tools/include/xen-sys/Linux/privcmd.h              |  11 +
 tools/libs/devicemodel/core.c                      |  18 +-
 tools/libs/devicemodel/include/xendevicemodel.h    |  14 +-
 tools/libs/foreignmemory/Makefile                  |   2 +-
 tools/libs/foreignmemory/core.c                    |  51 ++
 .../libs/foreignmemory/include/xenforeignmemory.h  |  39 +
 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                 |  42 +-
 tools/libs/foreignmemory/solaris.c                 |   7 -
 tools/libxc/include/xc_dom.h                       |   8 +-
 tools/libxc/xc_dom_boot.c                          | 118 ++-
 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                              |  11 +-
 xen/arch/x86/hvm/hvm.c                             |   8 +-
 xen/arch/x86/hvm/io.c                              |   4 +-
 xen/arch/x86/hvm/ioreq.c                           | 858 +++++++++++----------
 xen/arch/x86/mm.c                                  | 151 +++-
 xen/arch/x86/mm/p2m.c                              |   3 +-
 xen/common/grant_table.c                           |  56 +-
 xen/include/asm-x86/hvm/domain.h                   |  21 +-
 xen/include/asm-x86/hvm/ioreq.h                    |  20 +-
 xen/include/asm-x86/p2m.h                          |   3 +
 xen/include/public/hvm/dm_op.h                     |  46 +-
 xen/include/public/memory.h                        |  41 +-
 xen/include/xen/grant_table.h                      |   1 +
 31 files changed, 1057 insertions(+), 559 deletions(-)

---
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>

-- 
2.11.0


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