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path: root/devices/src/pic.rs
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* crosvm: Add plumbing for split-irqchip interruptsZhuocheng Ding2020-03-05
| | | | | | | | | | | | | | | Devices use irqfd to inject interrupts, we listen to them in the main thread and activate userspace pic/ioapic accordingly. BUG=chromium:908689 TEST=lanuch linux guest with `--split-irqchip` flag Change-Id: If30d17ce7ec9e26dba782c89cc1b9b2ff897a70d Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1945798 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Stephen Barber <smbarber@chromium.org> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: Zhuocheng Ding <zhuocheng.ding@intel.corp-partner.google.com>
* devices: PIC: implement interrupt injectionZhuocheng Ding2020-03-05
| | | | | | | | | | | | | | TODO: Route irqfd to PIC, and use signal to kick vCPU thread when interrupt is triggered. BUG=chromium:908689 TEST=Unit tests in file. Change-Id: I9a87502da57e725d3bb26d746a337d0ba44ef337 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1945797 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Zhuocheng Ding <zhuocheng.ding@intel.corp-partner.google.com>
* edition: Eliminate blocks superseded by NLLDavid Tolnay2019-04-17
| | | | | | | | | | | | | | | | | | | | Before the new borrow checker in the 2018 edition, we sometimes used to have to manually insert curly braced blocks to limit the scope of borrows. These are no longer needed. Details in: https://doc.rust-lang.org/edition-guide/rust-2018/ownership-and-lifetimes/non-lexical-lifetimes.html TEST=cargo check --all-features TEST=local kokoro Change-Id: I59f9f98dcc03c8790c53e080a527ad9b68c8d6f3 Reviewed-on: https://chromium-review.googlesource.com/1568075 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
* clippy: Resolve redundant_pattern_matchingDavid Tolnay2019-04-17
| | | | | | | | | | | TEST=bin/clippy Change-Id: I7b8fc90ae5250e7a506b75345a66305653a095ac Reviewed-on: https://chromium-review.googlesource.com/1566746 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
* clippy: Resolve collapsible_ifDavid Tolnay2019-04-17
| | | | | | | | | | | TEST=bin/clippy Change-Id: I1884c90e2efce3b972802e68a0a9d9395faa0f4c Reviewed-on: https://chromium-review.googlesource.com/1566660 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
* edition: Fill in macro importsDavid Tolnay2019-04-15
| | | | | | | | | | | | | | | | | | | | Macros were previously imported through `#[macro_use] extern crate`, which is basically a glob import of all macros from the crate. As of 2018 edition of Rust, `extern crate` is no longer required and macros are imported individually like any other item from a dependency. This CL fills in all the appropriate macro imports that will allow us to remove our use of `extern crate` in a subsequent CL. TEST=cargo check --all-features --tests TEST=kokoro Change-Id: If2ec08b06b743abf5f62677c6a9927c3d5d90a54 Reviewed-on: https://chromium-review.googlesource.com/1565546 Commit-Ready: David Tolnay <dtolnay@chromium.org> Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: David Tolnay <dtolnay@chromium.org>
* edition: Use 2018-style paths in devices crateDavid Tolnay2019-04-09
| | | | | | | | | | | | | | | | These are import paths in new code added since CL:1513054 that need to be made compatible with 2018 edition's treatment of paths. TEST=cargo check TEST=cargo check --all-features TEST=cargo check --target aarch64-unknown-linux-gnu Change-Id: Icb3ecf2fb2015332e0c03cdc22bff2ecab2c40df Reviewed-on: https://chromium-review.googlesource.com/1559264 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: David Tolnay <dtolnay@chromium.org>
* Add PIC device.Miriam Zimmerman2019-04-03
The PIC device that this commit provides isn't quite complete: It needs to interact with a userspace APIC in order to properly route interrupts, but crosvm does not yet have a userspace APIC. In the interest of not making this CL too much larger, the userspace APIC implementation will come in a future CL. BUG=chromium:908689 TEST=Unit tests in file. Integration testing is blocked on rest of split-irqchip being implemented. Change-Id: Id1f23da12fa7b83511a2a4df895b0cfacdbc559e Reviewed-on: https://chromium-review.googlesource.com/1475057 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Miriam Zimmerman <mutexlox@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Zach Reizner <zachr@chromium.org>
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