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* devices: virtio: remove virtio MMIO transportDaniel Verkamp2018-10-31
| | | | | | | | | | | | All devices have been converted to PCI, so we don't need MmioDevice. BUG=chromium:854766 TEST=Boot crosvm on kevin and verify virtio devices still work Change-Id: Ib6400e15bdb2153d14795de3cb0bfbf1845a8891 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1281832 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* aarch64: remove unused UnixDatagram importDaniel Verkamp2018-10-23
| | | | | | | | | | | BUG=None TEST=emerge-kevin crosvm Change-Id: I0d0197002d1d048a19139da9a11f6426c55f7f87 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1295349 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Reviewed-by: Zach Reizner <zachr@chromium.org>
* devices: make PCI work in --disable-sandbox modeDaniel Verkamp2018-10-19
| | | | | | | | | | | | | Make the Minijail part of the PCI device tuple optional so that an empty jail is not created for --disable-sandbox. BUG=None TEST=Boot crosvm in both --multiprocess and --disable-sandbox modes Change-Id: Ibb3f2dbf33ca19910ee7448ea823b2772e09ecc5 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1290289 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* cargo fmt aarch64 and kvmDaniel Verkamp2018-10-18
| | | | | | | | | | | | | | A few non-rustfmt changes slipped in since the tree-wide formatting pass. BUG=None TEST=Re-run `cargo fmt` and verify that it makes no further changes. Change-Id: Ic5afb20dabc1087e5d6f54862e6b8b47c5f5608d Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1287369 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* aarch64: remove reboot=k kernel cmdline optionDaniel Verkamp2018-10-12
| | | | | | | | | | | | | | | The "reboot" option is specific to x86 (reboot=k forces use of the i8042 keyboard controller to initiate a reset). Remove the unnecessary option from the aarch64 command line. BUG=None TEST=Stop and restart VM on Kevin Change-Id: Ic91c9a03491a6620d6f88ea0ada12f637f402840 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1279268 Reviewed-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Stephen Barber <smbarber@chromium.org>
* Revert "Revert "linux: Convert all virtio devices to PCI""Daniel Verkamp2018-10-12
| | | | | | | | | | | | | | This reverts commit c8986f14a8dd9f256d6faed55996d955b50ff923. Re-land the virtio PCI conversion after the preceding fixes. BUG=chromium:854766 TEST=Boot crosvm on nami and kevin Change-Id: I3699e3ed1a45cecc99c51e352d0cf0c32bc4116f Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1265862 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* aarch64: add arm serial input supportSonny Rao2018-10-12
| | | | | | | | | | | | Wire up the serial device interrupt on aarch64 so stdin works. BUG=chromium:890956 TEST=Verify serial console works on kevin Change-Id: Ifcafecb10d443f0100f047d0a2ec545c24e718af Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1115728 Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
* cargo fmt all source codeZach Reizner2018-10-09
| | | | | | | | | | | | | | Now that cargo fmt has landed, run it over everything at once to bring rust source to the standard formatting. TEST=cargo test BUG=None Change-Id: Ic95a48725e5a40dcbd33ba6d5aef2bd01e91865b Reviewed-on: https://chromium-review.googlesource.com/1259287 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
* Revert "linux: Convert all virtio devices to PCI"Daniel Verkamp2018-10-04
| | | | | | | | | | | | | | | This reverts commit d635acbaf348c0863bc05b8f889b2fa5f8156aaa. This commit seems to be responsible for introducing hung tasks in tests, so let's revert it for now to get the tests green and debug it offline. BUG=chromium:891806 TEST=None Change-Id: I83504058baeae00909d9fb4f4bb704a144a0dfaf Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1259408 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* linux: Convert all virtio devices to PCIDaniel Verkamp2018-10-02
| | | | | | | | | | | | | Change the main create_virtio_devs() function to create virtio devices using the PCI transport rather than MMIO. BUG=chromium:854766 TEST=Boot crosvm and verify that all virtio devices still work Change-Id: I9a6e60b21edea1e5ac2b3ae5c91793d45cf5063a Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1241541 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* aarch64: add generic PCI host controllerDaniel Verkamp2018-10-01
| | | | | | | | | | | | | | Implement the generic PCI host as supported by Linux and described in Documentation/devicetree/bindings/pci/host-generic-pci.txt in the kernel source tree. Also increase the ARM64 MMIO region size from 0x10000 to 0x100000 to allow enough space for several virtio PCI devices. Change-Id: I2f0a9b04356cce912874a06e62b4f3a59cbb08f1 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1244398 Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
* devices: pci: add ioeventfds to PciDevice traitDylan Reid2018-10-01
| | | | | | | | | | | | VirtioDevices and potentially others need to register ioeventfds that will be triggered when guests write to certain addresses. Allow PciDevices to return an array of ioeventfds that the VM can install. Change-Id: I2524c4e8c04f75a8d7868cac998304aecbb29c40 Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1237360 Commit-Ready: Daniel Verkamp <dverkamp@chromium.org> Tested-by: Daniel Verkamp <dverkamp@chromium.org>
* move pci root creation to archDylan Reid2018-10-01
| | | | | | | | | | passing everything in to the pci code is getting annoying. Instead build it up in arch which already has access to all the needed resources. Change-Id: If42f994443c4f11152fca8da16f27fa4cd80580d Reviewed-on: https://chromium-review.googlesource.com/1237357 Commit-Ready: Daniel Verkamp <dverkamp@chromium.org> Tested-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* Arch: Big refactor and add an empty PCI busDylan Reid2018-09-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When setting up IO, accept an optional PciRoot device to put on the IO bus. For aarch64, it's currently ignored. For x86_64, it will be added at 0xcf8. break up mmio device creation and registration Moving forward registration will be handled by the architecture specific code. However, creation will be handled by the common code. To make that easier split up the two steps so a list of devices is created, then each is registered later. Start moving to a model where the configuration generates a set of components that are passed to the architecture. The architecture will crate a VM from the components. Break up the big run_config function and move architecture specific parts to the various architectures. This doesn't refactor the function calls each architecture makes, but moves the setup flow in to the arch impls so that they can diverge in the future. Change-Id: I5b10d092896606796dc0c9afc5e34a1b288b867b Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1099860 Commit-Ready: Daniel Verkamp <dverkamp@chromium.org> Tested-by: Daniel Verkamp <dverkamp@chromium.org>
* mptable: Add ability to allocate pci interruptsDylan Reid2018-07-23
| | | | | | | | | | | PCI devices will require interrupts, allow this by passing a vector of IRQs to the mptable so the guest kernel can find the IRQs. Change-Id: I9fa8a2ed0a34089e631441570521082ffde9c4ef Reviewed-on: https://chromium-review.googlesource.com/1072578 Commit-Ready: Dylan Reid <dgreid@chromium.org> Tested-by: Dylan Reid <dgreid@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* devices: proxy - Add support for proxying PciDevicesDylan Reid2018-07-18
| | | | | | | | | | | | | | | | | | PCI adds a configuration space to the existing memory mapped IO supported by BusDevices. Add the ability to set configuration space as optional to the BusDevice trait so that ProxyDevice can be shared. PCI devices can have more than one memory mapped region. Expand the bus so that it has the ability to pass an absolute address instead of an offset. This will allow the PCI device to know which BAR is being written to. Change-Id: I055cd516c49a74316a9547df471290f05d865b0a Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1103663 Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
* Move gpu allocator to resourcesDylan Reid2018-07-09
| | | | | | | | | | Combine GPU buffer allocation with the system resource allocator making life easier as only one allocator needs to get passed to the execute function. Change-Id: I199eb0fd6b99b629aaec1ae3295e8a1942da5309 Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1099856
* Remove the device manager and use the new resource allocatorDylan Reid2018-06-29
| | | | | | | | | | | | | | | | | Allow IRQs to be assigned before creating device manager. For PCI, we need to add devices with interrupts before MMIO setup. Add the ability to tell the architecture device manager about IRQs that we have stolen. There was only one function in device_manager and all of its state is now delegated to the resource allocator, remove it. Change-Id: I9afa0e3081a20cb024551ef18ae34fe76a1ef39d Reviewed-on: https://chromium-review.googlesource.com/1089720 Commit-Ready: Dylan Reid <dgreid@chromium.org> Tested-by: Dylan Reid <dgreid@chromium.org> Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
* crosvm: aarch64: fix lack of shifting for base_dev_pfnSonny Rao2018-05-08
| | | | | | | | | | | | | | | | This is a pfn (page-frame number) not a raw address, so we need to shift it right by 12. BUG=chromium:840048 TEST=manual test on kevin with virtio wayland and --disable-sandbox, should not get "failed to recv from vfd: VmBadResponse" message Change-Id: I788712ec7b9b3e9b4ada481d62a5f2ae1624e929 Reviewed-on: https://chromium-review.googlesource.com/1049060 Commit-Ready: Sonny Rao <sonnyrao@chromium.org> Tested-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Stephen Barber <smbarber@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* devices: add an emulated ARM pl030 RTC clockSonny Rao2018-05-04
| | | | | | | | | | | | | | | | | This adds a very simple RTC device and implements reading the time of day based on the host's time of day. It currently doesn't support setting the time or wake up alarms but could do so in the future. Also instantiate it and add the appropriate nodes to the device-tree for ARM guests. BUG=chromium:833825 TEST=manual test on kevin, date is properly set when VM is started Change-Id: I032ec7df2cba9e9016966eb4160b413fec9a40ba Reviewed-on: https://chromium-review.googlesource.com/1038801 Commit-Ready: Sonny Rao <sonnyrao@chromium.org> Tested-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
* crosvm: aarch64: get kernel's preferred target type for vcpusSonny Rao2018-04-03
| | | | | | | | | | | | | | | | | | | | This fixes an issue on kevin where if we start on a little core, the kernel doesn't like the generic ARMv8 target cpu type for some reason. To fix this we must query the preferred type from the vm device first and supply that to the vcpu init ioctl. We need to change the signature of the configure_vcpu method to pass in the vm object even though we aren't using it on x86. BUG=chromium:797868 TEST=./build_test passes on all architectures TEST=crosvm runs on kevin Change-Id: I460cb9db62a8805bb88f838956aa4f1c69183961 Reviewed-on: https://chromium-review.googlesource.com/982996 Commit-Ready: Sonny Rao <sonnyrao@chromium.org> Tested-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
* crosvm: aarch64 guest supportSonny Rao2018-04-03
- removes old ARMv7a (32-bit) bindings as we're only supporting aarch64 guests right now - switches both ARMv7 and aarch64 builds to use aarch64 kvm bindings - adds support for ARMv8 Linux guest with dynamic flattened-device-tree CQ-DEPEND=990894 BUG=chromium:797868 TEST=./build_test passes on all architectures TEST=crosvm runs on caroline TEST=crosvm runs on kevin built with USE="kvm_host" Change-Id: I7fc4fc4017ed87fd23a1bc50e3ebb05377040006 Reviewed-on: https://chromium-review.googlesource.com/969987 Commit-Ready: Sonny Rao <sonnyrao@chromium.org> Tested-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
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