v1: Add new interface to get FW private buffer details
v2: Drop domain check
v3: Use amdgpu_bo_kmap to get cpu address
Signed-off-by: NLijo Lazar <lijo.lazar@amd.com>
Suggested-by: NAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: NHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NKevin Wang <kevin1.wang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>