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From: Anatoly Burakov <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: Akhil Goyal <akhil.goyal@nxp.com>, Hemant Agrawal <hemant.agrawal@nxp.com>,
keith.wiles@intel.com, jianfeng.tan@intel.com,
andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com,
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shreyansh.jain@nxp.com, gowrishankar.m@linux.vnet.ibm.com
Date: Wed, 11 Apr 2018 13:30:17 +0100
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Subject: [dpdk-dev] [PATCH v6 42/70] crypto/dpaa_sec: use virt2memseg
instead of iteration
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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>
---
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