test: add devargs test cases
[dpdk.git] / drivers / baseband / la12xx / bbdev_la12xx.c
index 7e312cf..4b05b5d 100644 (file)
@@ -120,6 +120,10 @@ la12xx_queue_release(struct rte_bbdev *dev, uint16_t q_id)
                ((uint64_t) ((unsigned long) (A) \
                - ((uint64_t)ipc_priv->hugepg_start.host_vaddr)))
 
+#define MODEM_P2V(A) \
+       ((uint64_t) ((unsigned long) (A) \
+               + (unsigned long)(ipc_priv->peb_start.host_vaddr)))
+
 static int
 ipc_queue_configure(uint32_t channel_id,
                    ipc_t instance,
@@ -336,6 +340,318 @@ static const struct rte_bbdev_ops pmd_ops = {
        .queue_release = la12xx_queue_release,
        .start = la12xx_start
 };
+
+static inline int
+is_bd_ring_full(uint32_t ci, uint32_t ci_flag,
+               uint32_t pi, uint32_t pi_flag)
+{
+       if (pi == ci) {
+               if (pi_flag != ci_flag)
+                       return 1; /* Ring is Full */
+       }
+       return 0;
+}
+
+static inline int
+prepare_ldpc_enc_op(struct rte_bbdev_enc_op *bbdev_enc_op,
+                   struct bbdev_la12xx_q_priv *q_priv __rte_unused,
+                   struct rte_bbdev_op_data *in_op_data __rte_unused,
+                   struct rte_bbdev_op_data *out_op_data)
+{
+       struct rte_bbdev_op_ldpc_enc *ldpc_enc = &bbdev_enc_op->ldpc_enc;
+       uint32_t total_out_bits;
+
+       total_out_bits = (ldpc_enc->tb_params.cab *
+               ldpc_enc->tb_params.ea) + (ldpc_enc->tb_params.c -
+               ldpc_enc->tb_params.cab) * ldpc_enc->tb_params.eb;
+
+       ldpc_enc->output.length = (total_out_bits + 7)/8;
+
+       rte_pktmbuf_append(out_op_data->data, ldpc_enc->output.length);
+
+       return 0;
+}
+
+static inline int
+prepare_ldpc_dec_op(struct rte_bbdev_dec_op *bbdev_dec_op,
+                   struct bbdev_ipc_dequeue_op *bbdev_ipc_op,
+                   struct bbdev_la12xx_q_priv *q_priv  __rte_unused,
+                   struct rte_bbdev_op_data *out_op_data  __rte_unused)
+{
+       struct rte_bbdev_op_ldpc_dec *ldpc_dec = &bbdev_dec_op->ldpc_dec;
+       uint32_t total_out_bits;
+       uint32_t num_code_blocks = 0;
+       uint16_t sys_cols;
+
+       sys_cols = (ldpc_dec->basegraph == 1) ? 22 : 10;
+       if (ldpc_dec->tb_params.c == 1) {
+               total_out_bits = ((sys_cols * ldpc_dec->z_c) -
+                               ldpc_dec->n_filler);
+               /* 5G-NR protocol uses 16 bit CRC when output packet
+                * size <= 3824 (bits). Otherwise 24 bit CRC is used.
+                * Adjust the output bits accordingly
+                */
+               if (total_out_bits - 16 <= 3824)
+                       total_out_bits -= 16;
+               else
+                       total_out_bits -= 24;
+               ldpc_dec->hard_output.length = (total_out_bits / 8);
+       } else {
+               total_out_bits = (((sys_cols * ldpc_dec->z_c) -
+                               ldpc_dec->n_filler - 24) *
+                               ldpc_dec->tb_params.c);
+               ldpc_dec->hard_output.length = (total_out_bits / 8) - 3;
+       }
+
+       num_code_blocks = ldpc_dec->tb_params.c;
+
+       bbdev_ipc_op->num_code_blocks = rte_cpu_to_be_32(num_code_blocks);
+
+       return 0;
+}
+
+static int
+enqueue_single_op(struct bbdev_la12xx_q_priv *q_priv, void *bbdev_op)
+{
+       struct bbdev_la12xx_private *priv = q_priv->bbdev_priv;
+       ipc_userspace_t *ipc_priv = priv->ipc_priv;
+       ipc_instance_t *ipc_instance = ipc_priv->instance;
+       struct bbdev_ipc_dequeue_op *bbdev_ipc_op;
+       struct rte_bbdev_op_ldpc_enc *ldpc_enc;
+       struct rte_bbdev_op_ldpc_dec *ldpc_dec;
+       uint32_t q_id = q_priv->q_id;
+       uint32_t ci, ci_flag, pi, pi_flag;
+       ipc_ch_t *ch = &(ipc_instance->ch_list[q_id]);
+       ipc_br_md_t *md = &(ch->md);
+       size_t virt;
+       char *huge_start_addr =
+               (char *)q_priv->bbdev_priv->ipc_priv->hugepg_start.host_vaddr;
+       struct rte_bbdev_op_data *in_op_data, *out_op_data;
+       char *data_ptr;
+       uint32_t l1_pcie_addr;
+       int ret;
+
+       ci = IPC_GET_CI_INDEX(q_priv->host_ci);
+       ci_flag = IPC_GET_CI_FLAG(q_priv->host_ci);
+
+       pi = IPC_GET_PI_INDEX(q_priv->host_pi);
+       pi_flag = IPC_GET_PI_FLAG(q_priv->host_pi);
+
+       rte_bbdev_dp_log(DEBUG, "before bd_ring_full: pi: %u, ci: %u,"
+               "pi_flag: %u, ci_flag: %u, ring size: %u",
+               pi, ci, pi_flag, ci_flag, q_priv->queue_size);
+
+       if (is_bd_ring_full(ci, ci_flag, pi, pi_flag)) {
+               rte_bbdev_dp_log(DEBUG, "bd ring full for queue id: %d", q_id);
+               return IPC_CH_FULL;
+       }
+
+       virt = MODEM_P2V(q_priv->host_params->bd_m_modem_ptr[pi]);
+       bbdev_ipc_op = (struct bbdev_ipc_dequeue_op *)virt;
+       q_priv->bbdev_op[pi] = bbdev_op;
+
+       switch (q_priv->op_type) {
+       case RTE_BBDEV_OP_LDPC_ENC:
+               ldpc_enc = &(((struct rte_bbdev_enc_op *)bbdev_op)->ldpc_enc);
+               in_op_data = &ldpc_enc->input;
+               out_op_data = &ldpc_enc->output;
+
+               ret = prepare_ldpc_enc_op(bbdev_op, q_priv,
+                                         in_op_data, out_op_data);
+               if (ret) {
+                       rte_bbdev_log(ERR, "process_ldpc_enc_op fail, ret: %d",
+                               ret);
+                       return ret;
+               }
+               break;
+
+       case RTE_BBDEV_OP_LDPC_DEC:
+               ldpc_dec = &(((struct rte_bbdev_dec_op *)bbdev_op)->ldpc_dec);
+               in_op_data = &ldpc_dec->input;
+
+               out_op_data = &ldpc_dec->hard_output;
+
+               ret = prepare_ldpc_dec_op(bbdev_op, bbdev_ipc_op,
+                                         q_priv, out_op_data);
+               if (ret) {
+                       rte_bbdev_log(ERR, "process_ldpc_dec_op fail, ret: %d",
+                               ret);
+                       return ret;
+               }
+               break;
+
+       default:
+               rte_bbdev_log(ERR, "unsupported bbdev_ipc op type");
+               return -1;
+       }
+
+       if (in_op_data->data) {
+               data_ptr = rte_pktmbuf_mtod(in_op_data->data, char *);
+               l1_pcie_addr = (uint32_t)GUL_USER_HUGE_PAGE_ADDR +
+                              data_ptr - huge_start_addr;
+               bbdev_ipc_op->in_addr = l1_pcie_addr;
+               bbdev_ipc_op->in_len = in_op_data->length;
+       }
+
+       if (out_op_data->data) {
+               data_ptr = rte_pktmbuf_mtod(out_op_data->data, char *);
+               l1_pcie_addr = (uint32_t)GUL_USER_HUGE_PAGE_ADDR +
+                               data_ptr - huge_start_addr;
+               bbdev_ipc_op->out_addr = rte_cpu_to_be_32(l1_pcie_addr);
+               bbdev_ipc_op->out_len = rte_cpu_to_be_32(out_op_data->length);
+       }
+
+       /* Move Producer Index forward */
+       pi++;
+       /* Flip the PI flag, if wrapping */
+       if (unlikely(q_priv->queue_size == pi)) {
+               pi = 0;
+               pi_flag = pi_flag ? 0 : 1;
+       }
+
+       if (pi_flag)
+               IPC_SET_PI_FLAG(pi);
+       else
+               IPC_RESET_PI_FLAG(pi);
+       q_priv->host_pi = pi;
+
+       /* Wait for Data Copy & pi_flag update to complete before updating pi */
+       rte_mb();
+       /* now update pi */
+       md->pi = rte_cpu_to_be_32(pi);
+
+       rte_bbdev_dp_log(DEBUG, "enter: pi: %u, ci: %u,"
+                       "pi_flag: %u, ci_flag: %u, ring size: %u",
+                       pi, ci, pi_flag, ci_flag, q_priv->queue_size);
+
+       return 0;
+}
+
+/* Enqueue decode burst */
+static uint16_t
+enqueue_dec_ops(struct rte_bbdev_queue_data *q_data,
+               struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+       struct bbdev_la12xx_q_priv *q_priv = q_data->queue_private;
+       int nb_enqueued, ret;
+
+       for (nb_enqueued = 0; nb_enqueued < nb_ops; nb_enqueued++) {
+               ret = enqueue_single_op(q_priv, ops[nb_enqueued]);
+               if (ret)
+                       break;
+       }
+
+       q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
+       q_data->queue_stats.enqueued_count += nb_enqueued;
+
+       return nb_enqueued;
+}
+
+/* Enqueue encode burst */
+static uint16_t
+enqueue_enc_ops(struct rte_bbdev_queue_data *q_data,
+               struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+       struct bbdev_la12xx_q_priv *q_priv = q_data->queue_private;
+       int nb_enqueued, ret;
+
+       for (nb_enqueued = 0; nb_enqueued < nb_ops; nb_enqueued++) {
+               ret = enqueue_single_op(q_priv, ops[nb_enqueued]);
+               if (ret)
+                       break;
+       }
+
+       q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued;
+       q_data->queue_stats.enqueued_count += nb_enqueued;
+
+       return nb_enqueued;
+}
+
+/* Dequeue encode burst */
+static void *
+dequeue_single_op(struct bbdev_la12xx_q_priv *q_priv, void *dst)
+{
+       void *op;
+       uint32_t ci, ci_flag;
+       uint32_t temp_ci;
+
+       temp_ci = q_priv->host_params->ci;
+       if (temp_ci == q_priv->host_ci)
+               return NULL;
+
+       ci = IPC_GET_CI_INDEX(q_priv->host_ci);
+       ci_flag = IPC_GET_CI_FLAG(q_priv->host_ci);
+
+       rte_bbdev_dp_log(DEBUG,
+               "ci: %u, ci_flag: %u, ring size: %u",
+               ci, ci_flag, q_priv->queue_size);
+
+       op = q_priv->bbdev_op[ci];
+
+       rte_memcpy(dst, q_priv->msg_ch_vaddr[ci],
+               sizeof(struct bbdev_ipc_enqueue_op));
+
+       /* Move Consumer Index forward */
+       ci++;
+       /* Flip the CI flag, if wrapping */
+       if (q_priv->queue_size == ci) {
+               ci = 0;
+               ci_flag = ci_flag ? 0 : 1;
+       }
+       if (ci_flag)
+               IPC_SET_CI_FLAG(ci);
+       else
+               IPC_RESET_CI_FLAG(ci);
+
+       q_priv->host_ci = ci;
+
+       rte_bbdev_dp_log(DEBUG,
+               "exit: ci: %u, ci_flag: %u, ring size: %u",
+               ci, ci_flag, q_priv->queue_size);
+
+       return op;
+}
+
+/* Dequeue decode burst */
+static uint16_t
+dequeue_dec_ops(struct rte_bbdev_queue_data *q_data,
+               struct rte_bbdev_dec_op **ops, uint16_t nb_ops)
+{
+       struct bbdev_la12xx_q_priv *q_priv = q_data->queue_private;
+       struct bbdev_ipc_enqueue_op bbdev_ipc_op;
+       int nb_dequeued;
+
+       for (nb_dequeued = 0; nb_dequeued < nb_ops; nb_dequeued++) {
+               ops[nb_dequeued] = dequeue_single_op(q_priv, &bbdev_ipc_op);
+               if (!ops[nb_dequeued])
+                       break;
+               ops[nb_dequeued]->status = bbdev_ipc_op.status;
+       }
+       q_data->queue_stats.dequeued_count += nb_dequeued;
+
+       return nb_dequeued;
+}
+
+/* Dequeue encode burst */
+static uint16_t
+dequeue_enc_ops(struct rte_bbdev_queue_data *q_data,
+               struct rte_bbdev_enc_op **ops, uint16_t nb_ops)
+{
+       struct bbdev_la12xx_q_priv *q_priv = q_data->queue_private;
+       struct bbdev_ipc_enqueue_op bbdev_ipc_op;
+       int nb_enqueued;
+
+       for (nb_enqueued = 0; nb_enqueued < nb_ops; nb_enqueued++) {
+               ops[nb_enqueued] = dequeue_single_op(q_priv, &bbdev_ipc_op);
+               if (!ops[nb_enqueued])
+                       break;
+               ops[nb_enqueued]->status = bbdev_ipc_op.status;
+       }
+       q_data->queue_stats.enqueued_count += nb_enqueued;
+
+       return nb_enqueued;
+}
+
 static struct hugepage_info *
 get_hugepage_info(void)
 {
@@ -718,6 +1034,10 @@ la12xx_bbdev_create(struct rte_vdev_device *vdev,
        bbdev->dequeue_dec_ops = NULL;
        bbdev->enqueue_enc_ops = NULL;
        bbdev->enqueue_dec_ops = NULL;
+       bbdev->dequeue_ldpc_enc_ops = dequeue_enc_ops;
+       bbdev->dequeue_ldpc_dec_ops = dequeue_dec_ops;
+       bbdev->enqueue_ldpc_enc_ops = enqueue_enc_ops;
+       bbdev->enqueue_ldpc_dec_ops = enqueue_dec_ops;
 
        return 0;
 }