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13 Commits
Author SHA1 Message Date
Lucas ManningandgVisor bot 290789bab8 Refactor tpu chroot operations. 
Ubuntu TPU images do not have the vfio-dev directories that COS images do,
so we need a more robust way of setting up the sandbox chroot to handle this
case. This change implements a way to get devices and minor numbers into the
sandbox with minimal support from the host filesystem and cleans up a few
methods to reflect their current usage.

Addresses #10795

PiperOrigin-RevId: 674363342
 2024-09-13 11:15:28 -07:00
Lucas ManningandgVisor bot e29e270730 Reorganize tpuproxy code. 
Now there is a main tpuproxy directory and two subdirs for each of the
different proxy implementations.

PiperOrigin-RevId: 667688748
 2024-08-26 13:17:41 -07:00
Jing ChenandgVisor bot 79dd2520ff Implement ioctl command VFIO_IOMMU_MAP_DMA. 
PiperOrigin-RevId: 619691808
 2024-03-27 16:10:41 -07:00
Jing ChenandgVisor bot e902007771 Make vfio-pci devices mmappable backed by a host FD. 
PiperOrigin-RevId: 619265846
 2024-03-26 12:00:42 -07:00
Jing ChenandgVisor bot 628f1bad34 Implement the ioctl command VFIO_DEVICE_SET_IRQS. 
PiperOrigin-RevId: 618047305
 2024-03-21 20:43:12 -07:00
Jing ChenandgVisor bot 9d2a513de1 Add more generic Ioctl helper functions for TPU pass through IOCTLs. 
PiperOrigin-RevId: 617378718
 2024-03-19 20:27:56 -07:00
Jing ChenandgVisor bot 73f7d3d3f7 Implement ioctl command VFIO_GROUP_SET_CONTAINER. 
PiperOrigin-RevId: 615514857
 2024-03-13 12:57:32 -07:00
Jing ChenandgVisor bot 26e0e5df83 Implement memmap.Mappable and memmap.File for vfioFd. 
PiperOrigin-RevId: 615472230
 2024-03-13 10:51:52 -07:00
Jing ChenandgVisor bot 5fd40fc0be Implement memmap.Mappable and memmap.File for tpuFd. 
PiperOrigin-RevId: 615250135
 2024-03-12 19:19:44 -07:00
Jing ChenandgVisor bot eb62843a8d Add VFIO device for VFIO container. 
PiperOrigin-RevId: 612606195
 2024-03-04 15:28:38 -08:00
Jing ChenandgVisor bot d5fc150056 Add seccomp filters for TPU v5e. 
Other rules like ioctl will be added as they are implemented.

PiperOrigin-RevId: 586437297
 2023-11-29 13:31:48 -08:00
Jing ChenandgVisor bot 77eff46290 Add an initial implementation for vfioDevice Open, which implements vfs.Device interface. 
PiperOrigin-RevId: 586047954
 2023-11-28 11:23:48 -08:00
Jing ChenandgVisor bot 815dade355 Add vfioFD skeleton code for TPU v5e. 
PiperOrigin-RevId: 585215723
 2023-11-25 00:39:53 -08:00