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bee76d7ab5
This change adds uverbs support for allocation/freeing of device memory commands. A new uverbs object is defined of type idr to represent and track the new resource type allocation per context. The API requires provider driver to implement 2 new ib_device callbacks - one for allocation and one for deallocation which return and accept (respectively) the ib_dm object which represents the allocated memory on the device. The support is added via the ioctl command infrastructure only. Signed-off-by: Ariel Levkovich <lariel@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>