+/* Various structures representing contiguous memory maps */
+struct dpaa2_memseg {
+ TAILQ_ENTRY(dpaa2_memseg) next;
+ char *vaddr;
+ rte_iova_t iova;
+ size_t len;
+};
+
+TAILQ_HEAD(dpaa2_memseg_list, dpaa2_memseg);
+extern struct dpaa2_memseg_list rte_dpaa2_memsegs;
+
+#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
+extern uint8_t dpaa2_virt_mode;
+static void *dpaa2_mem_ptov(phys_addr_t paddr) __attribute__((unused));
+/* todo - this is costly, need to write a fast coversion routine */
+static void *dpaa2_mem_ptov(phys_addr_t paddr)
+{
+ struct dpaa2_memseg *ms;
+
+ if (dpaa2_virt_mode)
+ return (void *)(size_t)paddr;
+
+ /* Check if the address is already part of the memseg list internally
+ * maintained by the dpaa2 driver.
+ */
+ TAILQ_FOREACH(ms, &rte_dpaa2_memsegs, next) {
+ if (paddr >= ms->iova && paddr <
+ ms->iova + ms->len)
+ return RTE_PTR_ADD(ms->vaddr, (uintptr_t)(paddr - ms->iova));
+ }
+
+ /* If not, Fallback to full memseg list searching */
+ return rte_mem_iova2virt(paddr);
+}
+
+static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr) __attribute__((unused));
+static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr)
+{
+ const struct rte_memseg *memseg;
+
+ if (dpaa2_virt_mode)
+ return vaddr;
+
+ memseg = rte_mem_virt2memseg((void *)(uintptr_t)vaddr, NULL);
+ if (memseg)
+ return memseg->phys_addr + RTE_PTR_DIFF(vaddr, memseg->addr);
+ return (size_t)NULL;
+}
+
+/**
+ * When we are using Physical addresses as IO Virtual Addresses,
+ * Need to call conversion routines dpaa2_mem_vtop & dpaa2_mem_ptov
+ * wherever required.
+ * These routines are called with help of below MACRO's
+ */
+
+#define DPAA2_MBUF_VADDR_TO_IOVA(mbuf) ((mbuf)->buf_iova)
+
+/**
+ * macro to convert Virtual address to IOVA
+ */
+#define DPAA2_VADDR_TO_IOVA(_vaddr) dpaa2_mem_vtop((size_t)(_vaddr))
+
+/**
+ * macro to convert IOVA to Virtual address
+ */
+#define DPAA2_IOVA_TO_VADDR(_iova) dpaa2_mem_ptov((size_t)(_iova))
+
+/**
+ * macro to convert modify the memory containing IOVA to Virtual address
+ */
+#define DPAA2_MODIFY_IOVA_TO_VADDR(_mem, _type) \
+ {_mem = (_type)(dpaa2_mem_ptov((size_t)(_mem))); }
+
+#else /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */
+
+#define DPAA2_MBUF_VADDR_TO_IOVA(mbuf) ((mbuf)->buf_addr)
+#define DPAA2_VADDR_TO_IOVA(_vaddr) (_vaddr)
+#define DPAA2_IOVA_TO_VADDR(_iova) (_iova)
+#define DPAA2_MODIFY_IOVA_TO_VADDR(_mem, _type)
+
+#endif /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */
+
+static inline
+int check_swp_active_dqs(uint16_t dpio_index)
+{
+ if (rte_global_active_dqs_list[dpio_index].global_active_dqs != NULL)
+ return 1;
+ return 0;
+}
+
+static inline
+void clear_swp_active_dqs(uint16_t dpio_index)
+{
+ rte_global_active_dqs_list[dpio_index].global_active_dqs = NULL;
+}
+
+static inline
+struct qbman_result *get_swp_active_dqs(uint16_t dpio_index)
+{
+ return rte_global_active_dqs_list[dpio_index].global_active_dqs;
+}
+
+static inline
+void set_swp_active_dqs(uint16_t dpio_index, struct qbman_result *dqs)
+{
+ rte_global_active_dqs_list[dpio_index].global_active_dqs = dqs;
+}