[dpdk-dev] [PATCH v5 42/70] crypto/dpaa_sec: use virt2memseg instead of iteration

[Anatoly Burakov]

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

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Tested-by: Santosh Shukla <Santosh.Shukla at caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/crypto/dpaa_sec/dpaa_sec.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index b04510f..a14e669 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -93,20 +93,11 @@ dpaa_sec_alloc_ctx(dpaa_sec_session *ses)
 static inline rte_iova_t
 dpaa_mem_vtop(void *vaddr)
 {
-	const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
-	uint64_t vaddr_64, paddr;
-	int i;
-
-	vaddr_64 = (size_t)vaddr;
-	for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr_64 != 0; i++) {
-		if (vaddr_64 >= memseg[i].addr_64 &&
-		    vaddr_64 < memseg[i].addr_64 + memseg[i].len) {
-			paddr = memseg[i].iova +
-				(vaddr_64 - memseg[i].addr_64);
-
-			return (rte_iova_t)paddr;
-		}
-	}
+	const struct rte_memseg *ms;
+
+	ms = rte_mem_virt2memseg(vaddr);
+	if (ms)
+		return ms->iova + RTE_PTR_DIFF(vaddr, ms->addr);
 	return (size_t)NULL;
 }
 
-- 
2.7.4