On Tue, Jan 12, 2021 at 2:02 AM Jag Raman <jag.ra...@oracle.com> wrote:
>
>
>
> > On Jan 11, 2021, at 12:20 AM, 罗勇刚(Yonggang Luo) <luoyongg...@gmail.com>
wrote:
> >
> > I have a question, does this support/test on Windows?
>
> Hi Yonggang, we have not tested this on Windows. The project only builds
on Linux for now.
>
> Thank you!
I may interested add Windows support, what's the hard part?
If we add Windows/OSX support, we can create same code base for all three
platforms, and reduce #ifdef _WIN32 like macros
> —
> Jag
>
> >
> > On Mon, Jan 11, 2021 at 1:08 PM Jagannathan Raman <jag.ra...@oracle.com>
wrote:
> > >
> > > Hi
> > >
> > > This is the v16 of the patchset. Thank you for your time reviewing
v15.
> > >
> > > This version has the following changes:
> > >
> > > [PATCH v16 04/20] multi-process: Add config option for multi-process
QEMU
> > > - Using “default_feature” value to enable/disable multiprocess
> > >
> > > [PATCH v16 07/20] io: add qio_channel_writev_full_all helper
> > > - Removed local variable in qio_channel_writev_full_all(), setting
arguments
> > > directly
> > > - Fixed indentation issues
> > > - Updated commit message
> > >
> > > [PATCH v16 08/20] io: add qio_channel_readv_full_all_eof &
> > > qio_channel_readv_full_all helpers
> > > - Added two variants of readv - _full_all_eof & _full_all based on
feedback
> > > - Dropped errno return value
> > > - Updated commit message
> > > - Unable to remove local variables and set arguments directly as the
> > > arguments are later needed for cleanup (g_free/close) during
failure
> > >
> > > Switched to using OBJECT_DECLARE_{SIMPLE_TYPE, TYPE} macros in the
> > > following patches:
> > > - [PATCH v16 05/20] multi-process: setup PCI host bridge for remote
device
> > > - [PATCH v16 06/20] multi-process: setup a machine object for
remote device
> > > process
> > > - [PATCH v16 11/20] multi-process: Associate fd of a PCIDevice with
its object
> > > - [PATCH v16 13/20] multi-process: introduce proxy object
> > >
> > > Updated copyright text to use the year 2021 in the files that show
them.
> > >
> > > To touch upon the history of this project, we posted the Proof Of
Concept
> > > patches before the BoF session in 2018. Subsequently, we have posted
15
> > > versions on the qemu-devel mailing list. You can find them by
following
> > > the links below ([1] - [15]). Following people contributed to the
design and
> > > implementation of this project:
> > > Jagannathan Raman <jag.ra...@oracle.com>
> > > Elena Ufimtseva <elena.ufimts...@oracle.com>
> > > John G Johnson <john.g.john...@oracle.com>
> > > Stefan Hajnoczi <stefa...@redhat.com>
> > > Konrad Wilk <konrad.w...@oracle.com>
> > > Kanth Ghatraju <kanth.ghatr...@oracle.com>
> > >
> > > We would like to thank the QEMU community for your feedback in the
> > > design and implementation of this project. Qemu wiki page:
> > > https://wiki.qemu.org/Features/MultiProcessQEMU
> > >
> > > For the full concept writeup about QEMU multi-process, please
> > > refer to docs/devel/qemu-multiprocess.rst. Also, see
> > > docs/qemu-multiprocess.txt for usage information.
> > >
> > > Thank you for reviewing this series!
> > >
> > > [POC]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg566538.html
> > > [1]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg602285.html
> > > [2]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg624877.html
> > > [3]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg642000.html
> > > [4]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg655118.html
> > > [5]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg682429.html
> > > [6]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg697484.html
> > > [7]:
https://patchew.org/QEMU/cover.1593273671.git.elena.ufimts...@oracle.com/
> > > [8]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg727007.html
> > > [9]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg734275.html
> > > [10]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg747638.html
> > > [11]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg750972.html
> > > [12]:
https://patchew.org/QEMU/cover.1606853298.git.jag.ra...@oracle.com/
> > > [13]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg766825.html
> > > [14]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg768376.html
> > > [15]:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg769178.html
> > >
> > > Elena Ufimtseva (8):
> > > multi-process: add configure and usage information
> > > io: add qio_channel_writev_full_all helper
> > > io: add qio_channel_readv_full_all_eof & qio_channel_readv_full_all
> > > helpers
> > > multi-process: define MPQemuMsg format and transmission functions
> > > multi-process: introduce proxy object
> > > multi-process: add proxy communication functions
> > > multi-process: Forward PCI config space acceses to the remote
process
> > > multi-process: perform device reset in the remote process
> > >
> > > Jagannathan Raman (11):
> > > memory: alloc RAM from file at offset
> > > multi-process: Add config option for multi-process QEMU
> > > multi-process: setup PCI host bridge for remote device
> > > multi-process: setup a machine object for remote device process
> > > multi-process: Initialize message handler in remote device
> > > multi-process: Associate fd of a PCIDevice with its object
> > > multi-process: setup memory manager for remote device
> > > multi-process: PCI BAR read/write handling for proxy & remote
> > > endpoints
> > > multi-process: Synchronize remote memory
> > > multi-process: create IOHUB object to handle irq
> > > multi-process: Retrieve PCI info from remote process
> > >
> > > John G Johnson (1):
> > > multi-process: add the concept description to
> > > docs/devel/qemu-multiprocess
> > >
> > > docs/devel/index.rst | 1 +
> > > docs/devel/multi-process.rst | 966
++++++++++++++++++++++++++++++
> > > docs/multi-process.rst | 64 ++
> > > configure | 10 +
> > > meson.build | 5 +-
> > > hw/remote/trace.h | 1 +
> > > include/exec/memory.h | 2 +
> > > include/exec/ram_addr.h | 2 +-
> > > include/hw/pci-host/remote.h | 30 +
> > > include/hw/pci/pci_ids.h | 3 +
> > > include/hw/remote/iohub.h | 42 ++
> > > include/hw/remote/machine.h | 38 ++
> > > include/hw/remote/memory.h | 19 +
> > > include/hw/remote/mpqemu-link.h | 99 +++
> > > include/hw/remote/proxy-memory-listener.h | 28 +
> > > include/hw/remote/proxy.h | 48 ++
> > > include/io/channel.h | 76 +++
> > > include/qemu/mmap-alloc.h | 4 +-
> > > include/sysemu/iothread.h | 6 +
> > > backends/hostmem-memfd.c | 2 +-
> > > hw/misc/ivshmem.c | 3 +-
> > > hw/pci-host/remote.c | 75 +++
> > > hw/remote/iohub.c | 119 ++++
> > > hw/remote/machine.c | 80 +++
> > > hw/remote/memory.c | 65 ++
> > > hw/remote/message.c | 230 +++++++
> > > hw/remote/mpqemu-link.c | 267 +++++++++
> > > hw/remote/proxy-memory-listener.c | 227 +++++++
> > > hw/remote/proxy.c | 379 ++++++++++++
> > > hw/remote/remote-obj.c | 203 +++++++
> > > io/channel.c | 88 ++-
> > > iothread.c | 6 +
> > > softmmu/memory.c | 3 +-
> > > softmmu/physmem.c | 11 +-
> > > util/mmap-alloc.c | 7 +-
> > > util/oslib-posix.c | 2 +-
> > > Kconfig.host | 4 +
> > > MAINTAINERS | 24 +
> > > hw/Kconfig | 1 +
> > > hw/meson.build | 1 +
> > > hw/pci-host/Kconfig | 3 +
> > > hw/pci-host/meson.build | 1 +
> > > hw/remote/Kconfig | 4 +
> > > hw/remote/meson.build | 13 +
> > > hw/remote/trace-events | 4 +
> > > 45 files changed, 3234 insertions(+), 32 deletions(-)
> > > create mode 100644 docs/devel/multi-process.rst
> > > create mode 100644 docs/multi-process.rst
> > > create mode 100644 hw/remote/trace.h
> > > create mode 100644 include/hw/pci-host/remote.h
> > > create mode 100644 include/hw/remote/iohub.h
> > > create mode 100644 include/hw/remote/machine.h
> > > create mode 100644 include/hw/remote/memory.h
> > > create mode 100644 include/hw/remote/mpqemu-link.h
> > > create mode 100644 include/hw/remote/proxy-memory-listener.h
> > > create mode 100644 include/hw/remote/proxy.h
> > > create mode 100644 hw/pci-host/remote.c
> > > create mode 100644 hw/remote/iohub.c
> > > create mode 100644 hw/remote/machine.c
> > > create mode 100644 hw/remote/memory.c
> > > create mode 100644 hw/remote/message.c
> > > create mode 100644 hw/remote/mpqemu-link.c
> > > create mode 100644 hw/remote/proxy-memory-listener.c
> > > create mode 100644 hw/remote/proxy.c
> > > create mode 100644 hw/remote/remote-obj.c
> > > create mode 100644 hw/remote/Kconfig
> > > create mode 100644 hw/remote/meson.build
> > > create mode 100644 hw/remote/trace-events
> > >
> > > --
> > > 1.8.3.1
> > >
> > >
> >
> >
> > --
> > 此致
> > 礼
> > 罗勇刚
> > Yours
> > sincerely,
> > Yonggang Luo
>
--
此致
礼
罗勇刚
Yours
sincerely,
Yonggang Luo
