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Implementation of a CXL mem device in qemu based on shared memory #16

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AndrewGavril opened this issue May 23, 2023 · 0 comments
Open

Implementation of a CXL mem device in qemu based on shared memory #16

AndrewGavril opened this issue May 23, 2023 · 0 comments
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backlog This task is not relevant at the moment kernel Task related to kernel qemu Task related to qemu test technology Testing technologies

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@AndrewGavril
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AndrewGavril commented May 23, 2023 •
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Добавить новый тип устройства в qemu для cxl type 3 устройства:
https://gitlab.com/qemu-project/qemu/-/blob/master/hw/mem/cxl_type3.c

  • на хосте создается shared mem
  • в qemu добавляется интерфейс для доступа к shared mem по имени (или же используется готовый интерфейс: https://qemu.readthedocs.io/en/latest/system/devices/ivshmem.html)
    Сложно:
  • добавляется устройство CXL type 3 с типом памяти не pmem или vmem, а shmem
  • реализация операций с этой памятью
@AndrewGavril AndrewGavril changed the title Реализация простейшего CXL EP драйвера Реализация CXL mem устройства в qemu на базе разделяемой памяти May 25, 2023
@mirrin00 mirrin00 added qemu Task related to qemu kernel Task related to kernel test technology Testing technologies labels Jul 10, 2023
@mirrin00 mirrin00 added the backlog This task is not relevant at the moment label Aug 6, 2023
@AndrewGavril AndrewGavril changed the title Реализация CXL mem устройства в qemu на базе разделяемой памяти Implementation of a CXL mem device in qemu based on shared memory Oct 15, 2023
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