Hello, This patchset adds toolstack support for I2C and GPIO virtio devices. This is inspired from the work done by Oleksandr for the Disk device [1].
The first two patches can be applied right away, but the last two need Oleksandr's series [1] to be applied first. This is developed as part of Linaro's Project Stratos, where we are working towards Hypervisor agnostic Rust based backend [2]. I must accept that I am a beginner to Xen and developed this patchset based on support for existing devices like Disk or Keyboard. There may be bits which I missed or the one I added which aren't really required. Thanks. -- Viresh Viresh Kumar (4): libxl: Add support for Virtio I2C device libxl: Add support for Virtio GPIO device libxl: Allocate MMIO params for I2c device and update DT libxl: Allocate MMIO params for GPIO device and update DT tools/golang/xenlight/helpers.gen.go | 220 ++++++++++++++++++++ tools/golang/xenlight/types.gen.go | 54 +++++ tools/include/libxl.h | 64 ++++++ tools/include/libxl_utils.h | 6 + tools/libs/light/Makefile | 2 + tools/libs/light/libxl_arm.c | 117 ++++++++++- tools/libs/light/libxl_create.c | 26 +++ tools/libs/light/libxl_dm.c | 34 +++- tools/libs/light/libxl_gpio.c | 236 ++++++++++++++++++++++ tools/libs/light/libxl_i2c.c | 236 ++++++++++++++++++++++ tools/libs/light/libxl_internal.h | 2 + tools/libs/light/libxl_types.idl | 52 +++++ tools/libs/light/libxl_types_internal.idl | 2 + tools/ocaml/libs/xl/genwrap.py | 2 + tools/ocaml/libs/xl/xenlight_stubs.c | 2 + tools/xl/Makefile | 2 +- tools/xl/xl.h | 6 + tools/xl/xl_cmdtable.c | 30 +++ tools/xl/xl_gpio.c | 143 +++++++++++++ tools/xl/xl_i2c.c | 143 +++++++++++++ tools/xl/xl_parse.c | 160 +++++++++++++++ tools/xl/xl_parse.h | 2 + tools/xl/xl_sxp.c | 4 + 23 files changed, 1540 insertions(+), 5 deletions(-) create mode 100644 tools/libs/light/libxl_gpio.c create mode 100644 tools/libs/light/libxl_i2c.c create mode 100644 tools/xl/xl_gpio.c create mode 100644 tools/xl/xl_i2c.c -- 2.31.1.272.g89b43f80a514 [1] https://lore.kernel.org/xen-devel/1649442065-8332-1-git-send-email-olekst...@gmail.com/ [2] https://lore.kernel.org/xen-devel/20220414092358.kepxbmnrtycz7mhe@vireshk-i7/
