This series improves the mlx5 driver to better handle some error cases as of below. The first two patches let the driver recognize whether the firmware moved the tracker object to an error state. In that case, the driver will skip/block any usage of that object. The next two patches (#3, #4), improve the driver to better include the proper firmware syndrome in dmesg upon a failure in some firmware commands. The last patch follows the device specification to let the firmware know upon leaving PRE_COPY back to RUNNING. (e.g. error in the target, migration cancellation, etc.). This will let the firmware clean its internal resources that were turned on upon PRE_COPY. Note: As the first patch should go to net/mlx5, we may need to send it as a pull request format to vfio before acceptance of the series, to avoid conflicts. Yishai Yishai Hadas (5): net/mlx5: Add the IFC related bits for query tracker vfio/mlx5: Add support for tracker object events vfio/mlx5: Handle the EREMOTEIO error upon the SAVE command vfio/mlx5: Block incremental query upon migf state error vfio/mlx5: Let firmware knows upon leaving PRE_COPY back to RUNNING drivers/vfio/pci/mlx5/cmd.c | 74 ++++++++++++++++++++++++++++++++--- drivers/vfio/pci/mlx5/cmd.h | 5 ++- drivers/vfio/pci/mlx5/main.c | 39 ++++++++++++++---- include/linux/mlx5/mlx5_ifc.h | 5 +++ 4 files changed, 110 insertions(+), 13 deletions(-) -- 2.18.1
