+#define CMDQ_PKT_IN_ALIGN 16
+
+static int
+nitrox_setup_cmdq(struct nitrox_qp *qp, uint8_t *bar_addr,
+ const char *dev_name, uint8_t instr_size, int socket_id)
+{
+ char mz_name[RTE_MEMZONE_NAMESIZE];
+ const struct rte_memzone *mz;
+ size_t cmdq_size = qp->count * instr_size;
+ uint64_t offset;
+
+ snprintf(mz_name, sizeof(mz_name), "%s_cmdq_%d", dev_name, qp->qno);
+ mz = rte_memzone_reserve_aligned(mz_name, cmdq_size, socket_id,
+ RTE_MEMZONE_SIZE_HINT_ONLY |
+ RTE_MEMZONE_256MB,
+ CMDQ_PKT_IN_ALIGN);
+ if (!mz) {
+ NITROX_LOG(ERR, "cmdq memzone reserve failed for %s queue\n",
+ mz_name);
+ return -ENOMEM;
+ }
+
+ qp->cmdq.mz = mz;
+ offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(qp->qno);
+ qp->cmdq.dbell_csr_addr = NITROX_CSR_ADDR(bar_addr, offset);
+ qp->cmdq.ring = mz->addr;
+ qp->cmdq.instr_size = instr_size;
+ setup_nps_pkt_input_ring(bar_addr, qp->qno, qp->count, mz->iova);
+ setup_nps_pkt_solicit_output_port(bar_addr, qp->qno);
+
+ return 0;
+}