crosvm: use BusRange in DirectIoOption.

Used to use an unnamed tuple there but instead use the BusRange because
it's semantic and now there's less copying.

BUG=b:188011323
TEST=cargo test --features=direct

Change-Id: I4a10251c758d330b8938090fb5971badcb9b7bdf
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3319716
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Junichi Uekawa <uekawa@chromium.org>
4 files changed
tree: e3f6596320142558da0012c03625c15e77069f37
  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_plugin/
  13. devices/
  14. disk/
  15. docs/
  16. fuse/
  17. gpu_display/
  18. hypervisor/
  19. integration_tests/
  20. kernel_cmdline/
  21. kernel_loader/
  22. kvm/
  23. kvm_sys/
  24. libcras_stub/
  25. libcrosvm_control/
  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. ARCHITECTURE.md
  57. Cargo.toml
  58. CONTRIBUTING.md
  59. LICENSE
  60. navbar.md
  61. OWNERS
  62. README.md
  63. run_tests
  64. rust-toolchain
  65. setup_cros_cargo.sh
  66. test_all
  67. 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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