drivers/vdpa/vdpa_sim

vDPA software simulator devices

A set of in-kernel software simulators that emulate vDPA (virtio Data Path Acceleration) devices such as virtual network and block endpoints. They exist purely for testing and developing the vDPA framework itself, with no real hardware behind them.

not-a-driver conf=1.00 deploy=none replacement=none subsystem=vdpa category=not-a-driver
100%

recommendation

This is not actually a hardware driver; it is a software simulator used by kernel developers and QA to exercise the vDPA subsystem without needing a physical accelerator card. It belongs to the virtualization tooling rather than a chipset-bound driver, so the keep/remove question doesn't really apply to it in the same way.

repository signals

5 files
2,077 source lines
76 commits, 5y
+1,638 / −496 lines added / removed, 5y
22 authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 76 total · active in 27/61 months
2021 2022 2023 2024 2025 2026 2021-04: 0 commits · +0 −0 2021-05: 1 commit · +0 −1 2021-06: 1 commit · +2 −2 2021-07: 1 commit · +3 −1 2021-08: 4 commits · +21 −8 2021-09: 0 commits · +0 −0 2021-10: 2 commits · +23 −18 2021-11: 1 commit · +5 −2 2021-12: 0 commits · +0 −0 2022-01: 3 commits · +17 −6 2022-02: 0 commits · +0 −0 2022-03: 6 commits · +227 −59 2022-04: 0 commits · +0 −0 2022-05: 2 commits · +5 −2 2022-06: 5 commits · +37 −17 2022-07: 0 commits · +0 −0 2022-08: 5 commits · +132 −16 2022-09: 1 commit · +17 −5 2022-10: 0 commits · +0 −0 2022-11: 3 commits · +8 −4 2022-12: 8 commits · +274 −164 2023-01: 3 commits · +33 −1 2023-02: 0 commits · +0 −0 2023-03: 2 commits · +20 −4 2023-04: 6 commits · +256 −77 2023-05: 0 commits · +0 −0 2023-06: 1 commit · +8 −0 2023-07: 0 commits · +0 −0 2023-08: 1 commit · +3 −2 2023-09: 0 commits · +0 −0 2023-10: 2 commits · +45 −11 2023-11: 0 commits · +0 −0 2023-12: 0 commits · +0 −0 2024-01: 0 commits · +0 −0 2024-02: 2 commits · +14 −1 2024-03: 0 commits · +0 −0 2024-04: 0 commits · +0 −0 2024-05: 0 commits · +0 −0 2024-06: 0 commits · +0 −0 2024-07: 1 commit · +20 −1 2024-08: 0 commits · +0 −0 2024-09: 1 commit · +1 −1 2024-10: 0 commits · +0 −0 2024-11: 0 commits · +0 −0 2024-12: 0 commits · +0 −0 2025-01: 0 commits · +0 −0 2025-02: 0 commits · +0 −0 2025-03: 0 commits · +0 −0 2025-04: 0 commits · +0 −0 2025-05: 0 commits · +0 −0 2025-06: 0 commits · +0 −0 2025-07: 0 commits · +0 −0 2025-08: 1 commit · +1 −1 2025-09: 1 commit · +1 −1 2025-10: 0 commits · +0 −0 2025-11: 0 commits · +0 −0 2025-12: 0 commits · +0 −0 2026-01: 1 commit · +0 −6 2026-02: 3 commits · +9 −11 2026-03: 0 commits · +0 −0 2026-04: 0 commits · +0 −0

sources

No sources cited.

codex reasoning notes (technical)

Not a driver directory: vDPA simulator code for synthetic/software devices, not a hardware-bound chipset driver.