[dpdk-dev] [PATCH] drivers/crypto/dpaa_sec: update DPAA iova table in dpaa_mem_vtop

Thierry Herbelot thierry.herbelot at 6wind.com
Thu Sep 12 10:38:21 CEST 2019

dpaa_sec needs translations between physical and virtual addresses.
V to P translation is relatively fast, as memory is managed in
contiguous segments.

The result of each V to P translation is used to update the DPAA iova
table, which should be updated by a Mem event callback, but is not.
Then the DPAA iova table has entries for all needed memory ranges.

With this patch, dpaa_mem_ptov will always use dpaax_iova_table_get_va,
which ensures optimal performance.

Fixes: 5a7dbb934d75 ('dpaa: enable dpaax library')
Cc: stable at dpdk.org
Cc: akhil.goyal at nxp.com
Cc: hemant.agrawal at nxp.com

V2: use "ms->addr" instead of  "(void *)ms->addr_64" to fix
    compilation on 32bit (i686)

Signed-off-by: Thierry Herbelot <thierry.herbelot at 6wind.com>
 drivers/crypto/dpaa_sec/dpaa_sec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 122c80a072ff..b8d142107d2a 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -38,6 +38,7 @@
 #include <rte_dpaa_bus.h>
 #include <dpaa_sec.h>
 #include <dpaa_sec_log.h>
+#include <dpaax_iova_table.h>
 enum rta_sec_era rta_sec_era;
@@ -100,8 +101,10 @@ dpaa_mem_vtop(void *vaddr)
 	const struct rte_memseg *ms;
 	ms = rte_mem_virt2memseg(vaddr, NULL);
-	if (ms)
+	if (ms) {
+		dpaax_iova_table_update(ms->iova, ms->addr, ms->len);
 		return ms->iova + RTE_PTR_DIFF(vaddr, ms->addr);
+	}
 	return (size_t)NULL;

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