| 125 | static void dma_fp_object_dummy(struct rte_dma_fp_object *obj); |
| 126 | |
| 127 | static int |
| 128 | dma_fp_data_prepare(void) |
| 129 | { |
| 130 | size_t size; |
| 131 | void *ptr; |
| 132 | int i; |
| 133 | |
| 134 | if (rte_dma_fp_objs != NULL) |
| 135 | return 0; |
| 136 | |
| 137 | /* Fast-path object must align cacheline, but the return value of malloc |
| 138 | * may not be aligned to the cache line. Therefore, extra memory is |
| 139 | * applied for realignment. |
| 140 | * note: We do not call posix_memalign/aligned_alloc because it is |
| 141 | * version dependent on libc. |
| 142 | */ |
| 143 | size = dma_devices_max * sizeof(struct rte_dma_fp_object) + |
| 144 | RTE_CACHE_LINE_SIZE; |
| 145 | ptr = malloc(size); |
| 146 | if (ptr == NULL) |
| 147 | return -ENOMEM; |
| 148 | memset(ptr, 0, size); |
| 149 | |
| 150 | rte_dma_fp_objs = RTE_PTR_ALIGN(ptr, RTE_CACHE_LINE_SIZE); |
| 151 | for (i = 0; i < dma_devices_max; i++) |
| 152 | dma_fp_object_dummy(&rte_dma_fp_objs[i]); |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | static int |
| 158 | dma_dev_data_prepare(void) |
no test coverage detected