This series adds support for handling hardware service reset events in the MANA and netvsc drivers.
When the MANA kernel driver receives a hardware service event, it initiates a device reset and notifies userspace via IBV_EVENT_DEVICE_FATAL. The MANA PMD handles this by performing an automatic teardown and recovery sequence, using ethdev recovery events (ERR_RECOVERING, RECOVERY_SUCCESS, RECOVERY_FAILED) to notify upper layers. Patch 1 implements the reset logic in the MANA driver, including RCU-based data path quiescence, multi-process doorbell remap via IPC, and a control thread for the recovery sequence. Patch 2 adds recovery event handlers in the netvsc driver so it can switch the data path to synthetic during reset and back to VF after successful recovery. Long Li (1): net/netvsc: handle VF recovery events for service reset Wei Hu (1): net/mana: add device reset support drivers/net/mana/mana.c | 924 ++++++++++++++++++++++++++++++++--- drivers/net/mana/mana.h | 33 +- drivers/net/mana/meson.build | 2 +- drivers/net/mana/mp.c | 89 +++- drivers/net/mana/mr.c | 6 +- drivers/net/mana/rx.c | 24 +- drivers/net/mana/tx.c | 40 +- drivers/net/netvsc/hn_vf.c | 106 ++++ 8 files changed, 1121 insertions(+), 103 deletions(-) -- 2.34.1
