X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fdpaa%2Frte_dpaa_bus.h;h=8573bd6edd5c39c15fc6e5ee65d9e99cd6a0e10d;hb=aed545af1b5ed6b7baa2eb41bad63486d6c95226;hp=89aeac2d18936892b03d0bcf4b5b7713825d6f56;hpb=982aa8af523bd96e990107e03c4089b4efcf1927;p=dpdk.git

diff --git a/drivers/bus/dpaa/rte_dpaa_bus.h b/drivers/bus/dpaa/rte_dpaa_bus.h
index 89aeac2d18..8573bd6edd 100644
--- a/drivers/bus/dpaa/rte_dpaa_bus.h
+++ b/drivers/bus/dpaa/rte_dpaa_bus.h
@@ -15,8 +15,6 @@
 #include <of.h>
 #include <netcfg.h>
 
-#define FSL_DPAA_BUS_NAME	"FSL_DPAA_BUS"
-
 #define DPAA_MEMPOOL_OPS_NAME	"dpaa"
 
 #define DEV_TO_DPAA_DEVICE(ptr)	\
@@ -95,9 +93,34 @@ struct dpaa_portal {
 	uint64_t tid;/**< Parent Thread id for this portal */
 };
 
-/* TODO - this is costly, need to write a fast coversion routine */
+/* Various structures representing contiguous memory maps */
+struct dpaa_memseg {
+	TAILQ_ENTRY(dpaa_memseg) next;
+	char *vaddr;
+	rte_iova_t iova;
+	size_t len;
+};
+
+TAILQ_HEAD(dpaa_memseg_list, dpaa_memseg);
+extern struct dpaa_memseg_list rte_dpaa_memsegs;
+
+/* Either iterate over the list of internal memseg references or fallback to
+ * EAL memseg based iova2virt.
+ */
 static inline void *rte_dpaa_mem_ptov(phys_addr_t paddr)
 {
+	struct dpaa_memseg *ms;
+
+	/* Check if the address is already part of the memseg list internally
+	 * maintained by the dpaa driver.
+	 */
+	TAILQ_FOREACH(ms, &rte_dpaa_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);
 }