mmap system call parameter vma->vm_start, vm_end is mmap virtual address
start, end, vma->vm_pgoff is rdma buffer GPU address, which is used to
find the sg_table dma_address.
Handle multiple sg table nents case because sg->length is limited to max
2GB.
Change-Id: I677dd6662ee58f0b5c93f8eef32b7009e1e890d8
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Chris Freehill <cfreehil@amd.com>
Update Makefile for newer kernel version, and support build with dkms
amdgpu driver. Use symbol_request to get KFD peerdirect interface.
Sync up with KFD peerdirect interface changes, remove the free callback
which is not used any more.
Change-Id: I01d8906d9ffa427a058a26e88e36f6b80e9e22c2
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Chris Freehill <cfreehil@amd.com>
Philip Yang
Chris Freehill