amdgpu_job_alloc
ret = amdgpu_job_alloc(adev, 1, &job, NULL);
ret = amdgpu_job_alloc(p->adev, num_ibs, &p->job, vm);
r = amdgpu_job_alloc(adev, 1, job, NULL);
int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,