From: Anatoly Burakov <anatoly.burakov@intel.com>
Date: Wed, 11 Apr 2018 12:30:16 +0000 (+0100)
Subject: bus/fslmc: use virt2memseg instead of iteration
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=0e41bb3b0046987d8926d9c671899090ec8e8bc0

bus/fslmc: use virt2memseg instead of iteration

Reduce dependency on internal details of EAL memory subsystem, and
simplify code.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
---

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index d38fc4902c..45fd41e867 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -270,20 +270,14 @@ 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;
-	int i;
 
 	if (dpaa2_virt_mode)
 		return vaddr;
 
-	memseg = rte_eal_get_physmem_layout();
-
-	for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr_64 != 0; i++) {
-		if (vaddr >= memseg[i].addr_64 &&
-		    vaddr < memseg[i].addr_64 + memseg[i].len)
-			return memseg[i].iova
-				+ (vaddr - memseg[i].addr_64);
-	}
-	return (size_t)(NULL);
+	memseg = rte_mem_virt2memseg((void *)(uintptr_t)vaddr);
+	if (memseg)
+		return memseg->phys_addr + RTE_PTR_DIFF(vaddr, memseg->addr);
+	return (size_t)NULL;
 }
 
 /**