35 	struct xe_bb *bb = kmalloc(sizeof(*bb), GFP_KERNEL);  in xe_bb_new()  local
38 	if (!bb)  in xe_bb_new()
47 	bb->bo = xe_sa_bo_new(!usm ? tile->mem.kernel_bb_pool : gt->usm.bb_pool,  in xe_bb_new()
49 	if (IS_ERR(bb->bo)) {  in xe_bb_new()
50 		err = PTR_ERR(bb->bo);  in xe_bb_new()
54 	bb->cs = xe_sa_bo_cpu_addr(bb->bo);  in xe_bb_new()
55 	bb->len = 0;  in xe_bb_new()
57 	return bb;  in xe_bb_new()
59 	kfree(bb);  in xe_bb_new()
64 __xe_bb_create_job(struct xe_exec_queue *q, struct xe_bb *bb, u64 *addr)  in __xe_bb_create_job()  argument
66 	u32 size = drm_suballoc_size(bb->bo);  in __xe_bb_create_job()
68 	if (bb->len == 0 || bb->cs[bb->len - 1] != MI_BATCH_BUFFER_END)  in __xe_bb_create_job()
69 		bb->cs[bb->len++] = MI_BATCH_BUFFER_END;  in __xe_bb_create_job()
71 	xe_gt_assert(q->gt, bb->len * 4 + bb_prefetch(q->gt) <= size);  in __xe_bb_create_job()
73 	xe_sa_bo_flush_write(bb->bo);  in __xe_bb_create_job()
79 						struct xe_bb *bb,  in xe_bb_create_migration_job()  argument
84 		batch_base_ofs + drm_suballoc_soffset(bb->bo),  in xe_bb_create_migration_job()
85 		batch_base_ofs + drm_suballoc_soffset(bb->bo) +  in xe_bb_create_migration_job()
89 	xe_gt_assert(q->gt, second_idx <= bb->len);  in xe_bb_create_migration_job()
93 	return __xe_bb_create_job(q, bb, addr);  in xe_bb_create_migration_job()
97 				      struct xe_bb *bb)  in xe_bb_create_job()  argument
99 	u64 addr = xe_sa_bo_gpu_addr(bb->bo);  in xe_bb_create_job()
103 	return __xe_bb_create_job(q, bb, &addr);  in xe_bb_create_job()
106 void xe_bb_free(struct xe_bb *bb, struct dma_fence *fence)  in xe_bb_free()  argument
108 	if (!bb)  in xe_bb_free()
111 	xe_sa_bo_free(bb->bo, fence);  in xe_bb_free()
112 	kfree(bb);  in xe_bb_free()