linux/drivers/vdpa
Dragos Tatulea 5dc31bd245 vdpa/mlx5: Update cvq iotlb mapping on ASID change
For the following sequence:
- cvq group is in ASID 0
- .set_map(1, cvq_iotlb)
- .set_group_asid(cvq_group, 1)

... the cvq mapping from ASID 0 will be used. This is not always correct
behaviour.

This patch adds support for the above mentioned flow by saving the iotlb
on each .set_map and updating the cvq iotlb with it on a cvq group change.

Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20231018171456.1624030-18-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Tested-by: Si-Wei Liu <si-wei.liu@oracle.com>
Tested-by: Lei Yang <leiyang@redhat.com>
2023-11-01 09:19:57 -04:00
..
alibaba vdpa: multiple address spaces support 2022-05-31 12:44:27 -04:00
ifcvf vDPA/ifcvf: implement new accessors for vq_state 2023-07-03 12:15:12 -04:00
mlx5 vdpa/mlx5: Update cvq iotlb mapping on ASID change 2023-11-01 09:19:57 -04:00
pds pds_vdpa: fix up debugfs feature bit printing 2023-08-10 15:51:46 -04:00
solidrun vdpa/snet: implement the resume vDPA callback 2023-06-27 10:47:08 -04:00
vdpa_sim vdpa_sim_blk: Fix the potential leak of mgmt_dev 2023-10-18 11:28:47 -04:00
vdpa_user vduse: Use proper spinlock for IRQ injection 2023-08-10 15:24:28 -04:00
virtio_pci vp_vdpa: fix the crash in hot unplug with vp_vdpa 2023-03-10 03:48:27 -05:00
Kconfig pds_vdpa: pds_vdps.rst and Kconfig 2023-06-27 10:47:09 -04:00
Makefile pds_vdpa: Add new vDPA driver for AMD/Pensando DSC 2023-06-27 10:47:08 -04:00
vdpa.c vdpa: Enable strict validation for netlinks ops 2023-08-10 15:24:28 -04:00