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if device bar is mappable, map bar's gpa to hpa in EPT, guest vcpu
could access this bar directly through EPT without trapping. This
could improve performance.
vm.add_mmio_memory could help do this, here vfio_pci send
RegisterMmapMemory request through vm_control socket to do this.
BUG=chromium:992270
TEST=none
Change-Id: I3b4274372f7dcd32e18084d55f037b6fe45ed422
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1581147
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
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Fix boxed_local, const_static_lifetime, useless_format, and
redundant_closure clippy warnings in the VFIO code.
This fixes all clippy warnings except a single instance of
let_and_return in VfioPciDevice::keep_fds(), since that code is modified
in an upcoming patch.
BUG=None
TEST=./build_test.py
TEST=bin/clippy
Change-Id: I548adbc6b92448fc0db82ed72214d73b0eabaf5c
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1822697
Reviewed-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Tested-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
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Import kernel include/uapi/linux/vfio.h, it define ioctl interface.
BUG=none
TEST=none
Change-Id: If8e0dae22cb566ae32dfd61d6f2b147f56727611
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1580456
Tested-by: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
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