X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_memory.c;h=852f3bb93bab8b6a0b091e57e08f4d36fd7140e6;hb=bacaa2754017e7d7baf27b8bcef8cdc909b30a26;hp=b6475737dde7ad750b341c7bcbbf1a1f245d4a01;hpb=d12b6da14bfa910fbd5b9b51961eb26466302d24;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_memory.c b/lib/librte_eal/common/eal_common_memory.c index b6475737dd..852f3bb93b 100644 --- a/lib/librte_eal/common/eal_common_memory.c +++ b/lib/librte_eal/common/eal_common_memory.c @@ -1,45 +1,17 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include #include #include #include +#include #include +#include #include #include -#include #include #include #include @@ -94,11 +66,11 @@ rte_dump_physmem_layout(FILE *f) if (mcfg->memseg[i].addr == NULL) break; - fprintf(f, "Segment %u: phys:0x%"PRIx64", len:%zu, " + fprintf(f, "Segment %u: IOVA:0x%"PRIx64", len:%zu, " "virt:%p, socket_id:%"PRId32", " "hugepage_sz:%"PRIu64", nchannel:%"PRIx32", " "nrank:%"PRIx32"\n", i, - mcfg->memseg[i].phys_addr, + mcfg->memseg[i].iova, mcfg->memseg[i].len, mcfg->memseg[i].addr, mcfg->memseg[i].socket_id, @@ -135,11 +107,21 @@ rte_eal_memdevice_init(void) return 0; } +/* Lock page in physical memory and prevent from swapping. */ +int +rte_mem_lock_page(const void *virt) +{ + unsigned long virtual = (unsigned long)virt; + int page_size = getpagesize(); + unsigned long aligned = (virtual & ~(page_size - 1)); + return mlock((void *)aligned, page_size); +} + /* init memory subsystem */ int rte_eal_memory_init(void) { - RTE_LOG(INFO, EAL, "Setting up physically contiguous memory...\n"); + RTE_LOG(DEBUG, EAL, "Setting up physically contiguous memory...\n"); const int retval = rte_eal_process_type() == RTE_PROC_PRIMARY ? rte_eal_hugepage_init() :