| 923 | }; |
| 924 | |
| 925 | static int |
| 926 | dpaa_qdma_init(struct rte_dma_dev *dmadev) |
| 927 | { |
| 928 | struct fsl_qdma_engine *fsl_qdma = dmadev->data->dev_private; |
| 929 | struct fsl_qdma_chan *fsl_chan; |
| 930 | uint64_t phys_addr; |
| 931 | unsigned int len; |
| 932 | int ccsr_qdma_fd; |
| 933 | int regs_size; |
| 934 | int ret; |
| 935 | u32 i; |
| 936 | |
| 937 | fsl_qdma->desc_allocated = 0; |
| 938 | fsl_qdma->n_chans = VIRT_CHANNELS; |
| 939 | fsl_qdma->n_queues = QDMA_QUEUES; |
| 940 | fsl_qdma->num_blocks = QDMA_BLOCKS; |
| 941 | fsl_qdma->block_offset = QDMA_BLOCK_OFFSET; |
| 942 | |
| 943 | len = sizeof(*fsl_chan) * fsl_qdma->n_chans; |
| 944 | fsl_qdma->chans = rte_zmalloc("qdma: fsl chans", len, 0); |
| 945 | if (!fsl_qdma->chans) |
| 946 | return -1; |
| 947 | |
| 948 | len = sizeof(struct fsl_qdma_queue *) * fsl_qdma->num_blocks; |
| 949 | fsl_qdma->status = rte_zmalloc("qdma: fsl status", len, 0); |
| 950 | if (!fsl_qdma->status) { |
| 951 | rte_free(fsl_qdma->chans); |
| 952 | return -1; |
| 953 | } |
| 954 | |
| 955 | for (i = 0; i < fsl_qdma->num_blocks; i++) { |
| 956 | rte_atomic32_init(&wait_task[i]); |
| 957 | fsl_qdma->status[i] = fsl_qdma_prep_status_queue(); |
| 958 | if (!fsl_qdma->status[i]) |
| 959 | goto err; |
| 960 | } |
| 961 | |
| 962 | ccsr_qdma_fd = open("/dev/mem", O_RDWR); |
| 963 | if (unlikely(ccsr_qdma_fd < 0)) { |
| 964 | DPAA_QDMA_ERR("Can not open /dev/mem for qdma CCSR map"); |
| 965 | goto err; |
| 966 | } |
| 967 | |
| 968 | regs_size = fsl_qdma->block_offset * (fsl_qdma->num_blocks + 2); |
| 969 | phys_addr = QDMA_CCSR_BASE; |
| 970 | fsl_qdma->ctrl_base = mmap(NULL, regs_size, PROT_READ | |
| 971 | PROT_WRITE, MAP_SHARED, |
| 972 | ccsr_qdma_fd, phys_addr); |
| 973 | |
| 974 | close(ccsr_qdma_fd); |
| 975 | if (fsl_qdma->ctrl_base == MAP_FAILED) { |
| 976 | DPAA_QDMA_ERR("Can not map CCSR base qdma: Phys: %08" PRIx64 |
| 977 | "size %d", phys_addr, regs_size); |
| 978 | goto err; |
| 979 | } |
| 980 | |
| 981 | fsl_qdma->status_base = fsl_qdma->ctrl_base + QDMA_BLOCK_OFFSET; |
| 982 | fsl_qdma->block_base = fsl_qdma->status_base + QDMA_BLOCK_OFFSET; |
no test coverage detected