[PATCH v4 0/2] vdpa/snet: support [s/g]et_vq_state and suspend

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Add more vDPA callbacks.

[s/g]et_vq_state is added in patch 1, including a new control mechanism
to read data from the DPU.

suspend is added in patch 2.

Link to v1:
https://lore.kernel.org/virtualization/20230402125219.1084754-1-alvaro.karsz@xxxxxxxxxxxxx/
Link to v2:
https://lore.kernel.org/virtualization/20230409091024.3437405-1-alvaro.karsz@xxxxxxxxxxxxx/
Link to v3:
https://lore.kernel.org/virtualization/20230410100237.3499578-1-alvaro.karsz@xxxxxxxxxxxxx/

Changelog:

v2:
        - Remove wmb() from snet_ctrl_read_from_dpu - Patch 1.
v3:
        - Usage of spinlocks to serialize access to control registers -
          Patch 1.
v4:
	- Rename struct snet_vq -> struct vdpa_vq_state from
	  inital_state to vq_state - Patch 1.

Alvaro Karsz (2):
  vdpa/snet: support getting and setting VQ state
  vdpa/snet: support the suspend vDPA callback

 drivers/vdpa/solidrun/Makefile     |   1 +
 drivers/vdpa/solidrun/snet_ctrl.c  | 330 +++++++++++++++++++++++++++++
 drivers/vdpa/solidrun/snet_hwmon.c |   2 +-
 drivers/vdpa/solidrun/snet_main.c  | 127 ++++++-----
 drivers/vdpa/solidrun/snet_vdpa.h  |  20 +-
 5 files changed, 409 insertions(+), 71 deletions(-)
 create mode 100644 drivers/vdpa/solidrun/snet_ctrl.c

-- 
2.34.1

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