From a58c59716c83440a0205037af6cfb061bdca4d74 Mon Sep 17 00:00:00 2001 From: Anatoly Burakov Date: Wed, 11 Apr 2018 13:29:53 +0100 Subject: [PATCH] net/ena: use contiguous allocation for DMA memory All hardware drivers should allocate IOVA-contiguous memzones for their hardware resources. Signed-off-by: Anatoly Burakov Acked-by: Michal Krawczyk Tested-by: Santosh Shukla Tested-by: Hemant Agrawal Tested-by: Gowrishankar Muthukrishnan --- drivers/net/ena/base/ena_plat_dpdk.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h index 8cba319ebb..93345199ad 100644 --- a/drivers/net/ena/base/ena_plat_dpdk.h +++ b/drivers/net/ena/base/ena_plat_dpdk.h @@ -188,7 +188,8 @@ typedef uint64_t dma_addr_t; ENA_TOUCH(dmadev); ENA_TOUCH(handle); \ snprintf(z_name, sizeof(z_name), \ "ena_alloc_%d", ena_alloc_cnt++); \ - mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, 0); \ + mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, \ + RTE_MEMZONE_IOVA_CONTIG); \ memset(mz->addr, 0, size); \ virt = mz->addr; \ phys = mz->iova; \ @@ -206,7 +207,8 @@ typedef uint64_t dma_addr_t; ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \ snprintf(z_name, sizeof(z_name), \ "ena_alloc_%d", ena_alloc_cnt++); \ - mz = rte_memzone_reserve(z_name, size, node, 0); \ + mz = rte_memzone_reserve(z_name, size, node, \ + RTE_MEMZONE_IOVA_CONTIG); \ memset(mz->addr, 0, size); \ virt = mz->addr; \ phys = mz->iova; \ @@ -219,7 +221,8 @@ typedef uint64_t dma_addr_t; ENA_TOUCH(dmadev); ENA_TOUCH(dev_node); \ snprintf(z_name, sizeof(z_name), \ "ena_alloc_%d", ena_alloc_cnt++); \ - mz = rte_memzone_reserve(z_name, size, node, 0); \ + mz = rte_memzone_reserve(z_name, size, node, \ + RTE_MEMZONE_IOVA_CONTIG); \ memset(mz->addr, 0, size); \ virt = mz->addr; \ } while (0) -- 2.20.1