Commit graph

63 commits

Author SHA1 Message Date
Jingkui Wang
0a5bf14261 usb: add ring buffer and ring buffer controller
for ring buffer, guest kernel is producer and crosvm is consumer

CQ-DEPEND=1510817
BUG=chromium:831850
TEST=cargo test

Change-Id: Ib62d2b42de1a77ff71ca0e2a0066feacc56dddc1
Reviewed-on: https://chromium-review.googlesource.com/1510818
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2019-03-16 15:25:22 -07:00
David Tolnay
c249a9fb84 usb: Verify usb_debug args even when not logging
Implementing this macro by ignoring the args and expanding to nothing
makes it possible to pass invalid args like `usb_debug!("{}")`. Use `if
false` instead to ensure that the args are valid formatter args.

As part of this, fix a call to a non-existent function inside one of the
usb_debug invocations.

TEST=cargo check devices

Change-Id: Id82dad7b021060dce7b4d3b828bbd21aaa6ef410
Reviewed-on: https://chromium-review.googlesource.com/1518730
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jingkui Wang <jkwang@google.com>
2019-03-16 01:53:41 -07:00
Jingkui Wang
fa13275942 add scatter gather buffer
scatter gather buffer is a buffer with segments.

CQ-DEPEND=CL:1510816
BUG=chromium:831850
TEST=cargo test

Change-Id: Iea54d5b3d6f9194113f6237eb14aafab71ca2ff9
Reviewed-on: https://chromium-review.googlesource.com/1510817
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2019-03-13 21:04:58 -07:00
Jingkui Wang
115fe4e233 usb: add interrupter and resample handler for xhci
Interrupter owns event ring and send interrupt. Resample handler will
reassert interrupt when resample happens.

CQ-DEPEND=CL:1510815
BUG=chromium:831850
TEST=local build

Change-Id: If2c4349e50d0ab275f29dfa48b0860c86f0c8ea3
Reviewed-on: https://chromium-review.googlesource.com/1510816
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Jingkui Wang <jkwang@google.com>
2019-03-13 21:04:58 -07:00
Jingkui Wang
199d622703 devices: compile usb module and update current code
This patch did the following:
    start compile usb module
    fix register macro
    update error handling
    reformat code
    update xhci reg setup to support usb3 and usb2

BUG=chromium:831850
TEST=local build
CQ-DEPEND=CL:1510813
Change-Id: I851cf02d01ae6e988b2628552cf57c1f43aa86c8
Reviewed-on: https://chromium-review.googlesource.com/1510814
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Jingkui Wang <jkwang@google.com>
2019-03-13 21:04:58 -07:00
Jingkui Wang
280ff78675 Add usb log macro
Usb implementation will use usb_debug to log verbose debug logs. It will
be turned off by default.

BUG=chromium:831850
TEST=local build

Change-Id: Ieaa22e57e624841a5f78a6a1a1874351bbd77a86
Reviewed-on: https://chromium-review.googlesource.com/1510813
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2019-03-13 21:04:57 -07:00
Jingkui Wang
766f8108b3 rename mmio_space to register space
rename mmio_space to register_space, mmio_register to register.

BUG=chromium:831850
TEST=local build
CQ-DEPEND=CL:1509515

Change-Id: Ia229be984d38ca8445828fdfa132bdbbedb74c33
Reviewed-on: https://chromium-review.googlesource.com/1509516
Commit-Ready: Zach Reizner <zachr@chromium.org>
Tested-by: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2019-03-08 21:20:20 -08:00
Jingkui Wang
b771521aa6 Move and rename mmio_register to devices/src
A later CL will rename structs.

BUG=chromium:831850
TEST=local build

Change-Id: I8cf70da16918035a6fad2e925f91a315693ff1ed
Reviewed-on: https://chromium-review.googlesource.com/1506828
Commit-Ready: Zach Reizner <zachr@chromium.org>
Tested-by: Jingkui Wang <jkwang@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2019-03-08 21:20:19 -08:00
David Tolnay
4adfdc0322 memory: Add methods to return error on short writes and reads
Add GuestMemory::write_all_at_addr, GuestMemory::read_exact_at_addr
which return error if the entire write or read cannot be completed.

Also rename write_slice_at_addr to write_at_addr, read_slice_at_addr to
read_at_addr to make the entire set of four methods consistent in naming
with the methods of std::io::Write and std::io::Read.

Context:
https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1387624/16/devices/src/virtio/tpm.rs#75

TEST=cargo test

Change-Id: Ia0775b75281ccf8030c84b41f9018a511204b8c9
Reviewed-on: https://chromium-review.googlesource.com/1407156
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
2019-01-13 03:23:13 -08:00
Jingkui Wang
e2fd7a259d usb: Add event ring implementation
Add event ring.

BUG=chromium:831850
TEST=cargo test

Change-Id: I6bb1f7484f4ac327b4361d280bf20deffab6fb26
Reviewed-on: https://chromium-review.googlesource.com/1145699
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
2018-12-25 17:55:09 -08:00
Jingkui Wang
526672672e usb: add xhci abi.
Add xhci abi structs.

BUG=chromium:831850
TEST=cargo test

Change-Id: I80cf96a2bd52c1db0ebd7e6bdb90b45a5b2d03bd
Reviewed-on: https://chromium-review.googlesource.com/1144264
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2018-12-25 17:55:08 -08:00
Jingkui Wang
62affa7659 usb: add xhci registers and mmio space.
Adds xhci register definitions.

BUG=chromium:831850
TEST=cargo test

Change-Id: I9b5d1a66031d291eb5408f22b88d6e8a1ece6865
Reviewed-on: https://chromium-review.googlesource.com/1142437
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2018-12-25 17:55:08 -08:00
Jingkui Wang
212b45f77b usb: Add mmio space.
Add mmio register and mmio space.

BUG=chromium:831850
TEST=cargo test

Change-Id: I8091fc211183d9ec8d10dc4089206a71b2724ad0
Reviewed-on: https://chromium-review.googlesource.com/1142243
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: David Tolnay <dtolnay@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2018-12-25 17:55:08 -08:00