Re: [PATCH v2 00/12] bus/fsl-mc: Extend mc-bus driver functionalities in preparation for mc-bus VFIO support

From: Laurentiu Tudor
Date: Wed May 13 2020 - 04:33:10 EST




On 5/7/2020 10:34 AM, Diana Craciun wrote:
> The vfio-mc bus driver needs some additional services to be exported by the
> mc-bus driver like:
> - a way to reset the DPRC container
> - driver_override support
> - functions to setup/tear down a DPRC
> - functions for allocating the pool of interrupts. In case of VFIO the
> interrupts are not configured at probe time, but later by userspace
> request
>
> v1 -> v2
> - Remove driver_override propagation through various functions
> - Cache the DPRC API version
>
> The patches are related with "vfio/fsl-mc: VFIO support for FSL-MC
> devices" patches, but the series were split because they are targeting
> different subsystems. However, the mc-bus patches may suffer changes
> when addressing the VFIO review comments.
>
> Bharat Bhushan (3):
> bus/fsl-mc: add support for 'driver_override' in the mc-bus
> bus/fsl-mc: Add dprc-reset-container support
> bus/fsl-mc: Extend ICID size from 16bit to 32bit
>
> Diana Craciun (9):
> bus/fsl-mc: Do no longer export the total number of irqs outside
> dprc_scan_objects
> bus/fsl-mc: Add a new parameter to dprc_scan_objects function
> bus/fsl-mc: Set the QMAN/BMAN region flags
> bus/fsl-mc: Cache the DPRC API version
> bus/fsl-mc: Export a dprc scan function to be used by multiple
> entities
> bus/fsl-mc: Export a cleanup function for DPRC
> bus/fsl-mc: Add a container setup function
> bus/fsl_mc: Do not rely on caller to provide non NULL mc_io
> bus/fsl-mc: Export IRQ pool handling functions to be used by VFIO
>
> drivers/bus/fsl-mc/dprc-driver.c | 181 ++++++++++++++++----------
> drivers/bus/fsl-mc/dprc.c | 103 +++++++++++++--
> drivers/bus/fsl-mc/fsl-mc-allocator.c | 12 +-
> drivers/bus/fsl-mc/fsl-mc-bus.c | 64 ++++++++-
> drivers/bus/fsl-mc/fsl-mc-private.h | 28 ++--
> drivers/bus/fsl-mc/mc-io.c | 7 +-
> include/linux/fsl/mc.h | 29 ++++-
> 7 files changed, 313 insertions(+), 111 deletions(-)
>

For the whole series:

Reviewed-by: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>

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Best Regards, Laurentiu