Re: [PATCH v5 00/13] bus/fsl-mc: Extend mc-bus driver functionalities in preparation for mc-bus VFIO support

From: Greg KH
Date: Fri Oct 02 2020 - 09:55:16 EST


On Tue, Sep 29, 2020 at 02:06:41PM +0300, Laurentiu Tudor wrote:
>
>
> On 9/29/2020 11:54 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
> >
> > v4 -> v5
> > - dprc_celanup should not fail
> >
> > v3 -> v4
> > - Rebased on the latest kernel.
> > - Exported a dprc_remove function
> >
> > v2 -> v3
> > - Add a new version for dprc_get_obj_region
> > - Export the cacheability bus specific bits defines
> >
> > 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.
> >
> > The patches do not address the comment regarding moving driver_override
> > in the core code. I prefer not to tie these patches on that change and
> > address that separately.
> >
> > 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 (10):
> > 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 dprc_scan/dprc_remove functions 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
> > bus/fsl-mc: Add a new version for dprc_get_obj_region command
> >
> > drivers/bus/fsl-mc/dprc-driver.c | 190 ++++++++++++++++----------
> > drivers/bus/fsl-mc/dprc.c | 141 +++++++++++++++----
> > 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 | 31 ++---
> > drivers/bus/fsl-mc/mc-io.c | 7 +-
> > include/linux/fsl/mc.h | 41 +++++-
> > 7 files changed, 359 insertions(+), 127 deletions(-)
> >
>
> For the series:
> Reviewed-by: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>
> Acked-by: Laurentiu Tudor <laurentiu.tudor@xxxxxxx>

Do you want me to take these patches in my tree, or are they going to
Linus some other way?

thanks,

greg k-h