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Subject[PATCH v4 00/18] vdpa: generalize vdpa simulator
This series moves the network device simulator in a new module
(vdpa_sim_net) and leaves the generic functions in the vdpa_sim core
module, allowing the possibility to add new vDPA device simulators.

For now I removed the vdpa-blk simulator patches, since I'm still working
on them and debugging the iotlb issues.

Thanks to Max that started this work! I took his patches and extended a bit.


- rebased on Linux v5.10
- checked better which headers are not directly used [Randy]
- removed patches that set unlimited iotlb and added a module
parameter [Jason]
- explained in the commit message that .get_config stuff moving
is safe [Jason]
- fixed typo in Kconfig (s/loop/loops) [Randy]

Max Gurtovoy (2):
vdpa_sim: remove hard-coded virtq count
vdpa: split vdpasim to core and net modules

Stefano Garzarella (16):
vdpa: remove unnecessary 'default n' in Kconfig entries
vdpa_sim: remove unnecessary headers inclusion
vdpa_sim: make IOTLB entries limit configurable
vdpa_sim: rename vdpasim_config_ops variables
vdpa_sim: add struct vdpasim_dev_attr for device attributes
vdpa_sim: add device id field in vdpasim_dev_attr
vdpa_sim: add supported_features field in vdpasim_dev_attr
vdpa_sim: add work_fn in vdpasim_dev_attr
vdpa_sim: store parsed MAC address in a buffer
vdpa_sim: make 'config' generic and usable for any device type
vdpa_sim: add get_config callback in vdpasim_dev_attr
vdpa_sim: add set_config callback in vdpasim_dev_attr
vdpa_sim: set vringh notify callback
vdpa_sim: use kvmalloc to allocate vdpasim->buffer
vdpa_sim: make vdpasim->buffer size configurable
vdpa_sim: split vdpasim_virtqueue's iov field in out_iov and in_iov

drivers/vdpa/vdpa_sim/vdpa_sim.h | 105 ++++++++++
drivers/vdpa/vdpa_sim/vdpa_sim.c | 298 ++++++++-------------------
drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 177 ++++++++++++++++
drivers/vdpa/Kconfig | 16 +-
drivers/vdpa/vdpa_sim/Makefile | 1 +
5 files changed, 374 insertions(+), 223 deletions(-)
create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim.h
create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim_net.c


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