Linux: Add parameter to pass host pcie root port into guest

Add pcie-root-port parameter, it specify host pcie root port's sysfs, then
it will have a virtual pcie root port in guest, as guest and host have
the same pci address, so virtual pcie root port creation should be prior
to build_vm().

BUG=b:185084350
TEST=boot CrOS with --pcie-root-port=sysfs_path in ManaTEE and check virtual
RP's function in CrOS

Change-Id: Id357e0de057d5387f135213e89702f27163faaee
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3423460
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
3 files changed
tree: 6748eed93f95c9956494ea2d3201559c57e90ebc
  1. .cargo/
  2. .devcontainer/
  3. .github/
  4. aarch64/
  5. acpi_tables/
  6. arch/
  7. bin/
  8. bit_field/
  9. ci/
  10. common/
  11. crosvm-fuzz/
  12. crosvm_control/
  13. crosvm_plugin/
  14. devices/
  15. disk/
  16. docs/
  17. fuse/
  18. gpu_display/
  19. hypervisor/
  20. integration_tests/
  21. kernel_cmdline/
  22. kernel_loader/
  23. kvm/
  24. kvm_sys/
  25. libcras_stub/
  26. libvda/
  27. linux_input_sys/
  28. logo/
  29. net_sys/
  30. net_util/
  31. power_monitor/
  32. protos/
  33. qcow_utils/
  34. resources/
  35. rutabaga_gfx/
  36. seccomp/
  37. src/
  38. system_api_stub/
  39. tests/
  40. third_party/
  41. tools/
  42. tpm2/
  43. tpm2-sys/
  44. usb_sys/
  45. usb_util/
  46. vfio_sys/
  47. vhost/
  48. virtio_sys/
  49. vm_control/
  50. vm_memory/
  51. x86_64/
  52. .dockerignore
  53. .gitignore
  54. .gitmodules
  55. .rustfmt.toml
  56. .windows_build_test_skip
  57. ARCHITECTURE.md
  58. Cargo.toml
  59. CONTRIBUTING.md
  60. LICENSE
  61. navbar.md
  62. OWNERS
  63. README.chromeos.md
  64. README.md
  65. run_tests
  66. rust-toolchain
  67. setup_cros_cargo.sh
  68. test_all
  69. unblocked_terms.txt
README.md

crosvm - The Chrome OS Virtual Machine Monitor

crosvm is a virtual machine monitor (VMM) based on Linux’s KVM hypervisor, with a focus on simplicity, security, and speed. crosvm is intended to run Linux guests, originally as a security boundary for running native applications on the Chrome OS platform. Compared to QEMU, crosvm doesn’t emulate architectures or real hardware, instead concentrating on paravirtualized devices, such as the virtio standard.

crosvm is currently used to run Linux/Android guests on Chrome OS devices.

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