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vdpa: Sync calls set/get config/status with cf_mutex

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Add wrappers to get/set status and protect these operations with
cf_mutex to serialize these operations with respect to get/set config
operations.

Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-4-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eli Cohen
2022-01-05 13:46:35 +02:00
committed by Michael S. Tsirkin
parent a7f46ba424
commit 73bc0dbb59
4 changed files with 26 additions and 6 deletions
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3
include/linux/vdpa.h
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@@ -408,6 +408,9 @@ void vdpa_get_config(struct vdpa_device *vdev, unsigned int offset,
void *buf, unsigned int len);
void vdpa_set_config(struct vdpa_device *dev, unsigned int offset,
const void *buf, unsigned int length);
u8 vdpa_get_status(struct vdpa_device *vdev);
void vdpa_set_status(struct vdpa_device *vdev, u8 status);
/**
* struct vdpa_mgmtdev_ops - vdpa device ops
* @dev_add: Add a vdpa device using alloc and register