X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fdpaa%2Frte_dpaa_bus.h;h=8573bd6edd5c39c15fc6e5ee65d9e99cd6a0e10d;hb=be24b0d9e1cb47004f49e32b3b0db1a993c8f88f;hp=d613660927f8564e195d581c21cfdbddca31ec89;hpb=2bd0d5b951a92ce1be828f6614a27197b30e1e07;p=dpdk.git

diff --git a/drivers/bus/dpaa/rte_dpaa_bus.h b/drivers/bus/dpaa/rte_dpaa_bus.h
index d613660927..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)	\
@@ -33,6 +31,8 @@
 
 extern unsigned int dpaa_svr_family;
 
+extern RTE_DEFINE_PER_LCORE(bool, dpaa_io);
+
 struct rte_dpaa_device;
 struct rte_dpaa_driver;
 
@@ -93,20 +93,35 @@ 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)
 {
-	const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
-	int i;
-
-	for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr != NULL; i++) {
-		if (paddr >= memseg[i].iova && paddr <
-			memseg[i].iova + memseg[i].len)
-			return (uint8_t *)(memseg[i].addr) +
-			       (paddr - memseg[i].iova);
+	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));
 	}
 
-	return NULL;
+	/* If not, Fallback to full memseg list searching */
+	return rte_mem_iova2virt(paddr);
 }
 
 /**