crypto/qat: use contiguous allocation for DMA memory

All hardware drivers should allocate IOVA-contiguous
memzones for their hardware resources.

Also, remove the weird page alignment code.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@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/crypto/qat/qat_qp.c b/drivers/crypto/qat/qat_qp.c
index 87b9ce0..478b7ba 100644 (file)
--- a/drivers/crypto/qat/qat_qp.c
+++ b/drivers/crypto/qat/qat_qp.c
@@ -54,8 +54,6 @@ queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
                        int socket_id)
 {
        const struct rte_memzone *mz;
-       unsigned memzone_flags = 0;
-       const struct rte_memseg *ms;
 
        PMD_INIT_FUNC_TRACE();
        mz = rte_memzone_lookup(queue_name);
@@ -78,25 +76,8 @@ queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
 
        PMD_DRV_LOG(DEBUG, "Allocate memzone for %s, size %u on socket %u",
                                        queue_name, queue_size, socket_id);
-       ms = rte_eal_get_physmem_layout();
-       switch (ms[0].hugepage_sz) {
-       case(RTE_PGSIZE_2M):
-               memzone_flags = RTE_MEMZONE_2MB;
-       break;
-       case(RTE_PGSIZE_1G):
-               memzone_flags = RTE_MEMZONE_1GB;
-       break;
-       case(RTE_PGSIZE_16M):
-               memzone_flags = RTE_MEMZONE_16MB;
-       break;
-       case(RTE_PGSIZE_16G):
-               memzone_flags = RTE_MEMZONE_16GB;
-       break;
-       default:
-               memzone_flags = RTE_MEMZONE_SIZE_HINT_ONLY;
-       }
-       return rte_memzone_reserve_aligned(queue_name, queue_size, socket_id,
-               memzone_flags, queue_size);
+       return rte_memzone_reserve_aligned(queue_name, queue_size,
+               socket_id, RTE_MEMZONE_IOVA_CONTIG, queue_size);
 }
 
 int qat_crypto_sym_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,