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SubjectRe: [PATCH v5 00/13] bus/fsl-mc: Extend mc-bus driver functionalities in preparation for mc-bus VFIO support
On Fri, Oct 02, 2020 at 04:56:52PM +0300, Laurentiu Tudor wrote:
> Hi Greg,
>
> On 10/2/2020 4:55 PM, Greg KH wrote:
> > 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@nxp.com>
> >> Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
> >
> > Do you want me to take these patches in my tree, or are they going to
> > Linus some other way?
>
> I'm prefectly fine with you picking up the patches through your tree.

Great, now queued up.

greg k-h

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