amdgpu_get_next_xcp
for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \
++i, xcp = amdgpu_get_next_xcp(xcp_mgr, &i))
node->xcp = amdgpu_get_next_xcp(kfd->adev->xcp_mgr, &xcp_idx);