91 static void batch_init(struct batch_chunk *bc,  in batch_init()  argument
95 	bc->vma = vma;  in batch_init()
96 	bc->offset = offset;  in batch_init()
97 	bc->start = start + bc->offset / sizeof(*bc->start);  in batch_init()
98 	bc->end = bc->start;  in batch_init()
99 	bc->max_items = max_bytes / sizeof(*bc->start);  in batch_init()
102 static u32 batch_offset(const struct batch_chunk *bc, u32 *cs)  in batch_offset()  argument
104 	return (cs - bc->start) * sizeof(*bc->start) + bc->offset;  in batch_offset()
107 static u32 batch_addr(const struct batch_chunk *bc)  in batch_addr()  argument
109 	return i915_vma_offset(bc->vma);  in batch_addr()
112 static void batch_add(struct batch_chunk *bc, const u32 d)  in batch_add()  argument
114 	GEM_BUG_ON((bc->end - bc->start) >= bc->max_items);  in batch_add()
115 	*bc->end++ = d;  in batch_add()
118 static u32 *batch_alloc_items(struct batch_chunk *bc, u32 align, u32 items)  in batch_alloc_items()  argument
123 		u32 *end = PTR_ALIGN(bc->end, align);  in batch_alloc_items()
125 		memset32(bc->end, 0, end - bc->end);  in batch_alloc_items()
126 		bc->end = end;  in batch_alloc_items()
129 	map = bc->end;  in batch_alloc_items()
130 	bc->end += items;  in batch_alloc_items()
135 static u32 *batch_alloc_bytes(struct batch_chunk *bc, u32 align, u32 bytes)  in batch_alloc_bytes()  argument
137 	GEM_BUG_ON(!IS_ALIGNED(bytes, sizeof(*bc->start)));  in batch_alloc_bytes()
138 	return batch_alloc_items(bc, align, bytes / sizeof(*bc->start));  in batch_alloc_bytes()