I have a question, does this support/test on Windows? On Mon, Jan 11, 2021 at 1:08 PM Jagannathan Raman 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 > Elena Ufimtseva > John G Johnson > Stefan Hajnoczi > Konrad Wilk > Kanth Ghatraju > > 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.ufimtseva@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.raman@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