6307b909b8
Remove extra parenthesis from return statements. Signed-off-by: Ferruh Yigit <ferruhy@gmail.com>
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/queue.h>
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#include <rte_common.h>
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#include <rte_log.h>
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#include <rte_debug.h>
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#include <rte_memory.h>
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#include <rte_memzone.h>
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#include <rte_atomic.h>
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#include <rte_launch.h>
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#include <rte_eal.h>
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#include <rte_eal_memconfig.h>
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#include <rte_per_lcore.h>
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#include <rte_lcore.h>
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#include <rte_branch_prediction.h>
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#include <rte_ring.h>
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#include <rte_errno.h>
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#include <rte_string_fns.h>
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#include <rte_spinlock.h>
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#include "rte_mempool.h"
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static void
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get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num,
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uint32_t pg_sz, uint32_t memseg_id)
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{
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uint32_t i;
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uint64_t virt_addr, mfn_id;
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struct rte_mem_config *mcfg;
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uint32_t page_size = getpagesize();
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/* get pointer to global configuration */
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mcfg = rte_eal_get_configuration()->mem_config;
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virt_addr = (uintptr_t) mcfg->memseg[memseg_id].addr;
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for (i = 0; i != pg_num; i++) {
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mfn_id = ((uintptr_t)va + i * pg_sz - virt_addr) / RTE_PGSIZE_2M;
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pa[i] = mcfg->memseg[memseg_id].mfn[mfn_id] * page_size;
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}
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}
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/* create the mempool for supporting Dom0 */
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struct rte_mempool *
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rte_dom0_mempool_create(const char *name, unsigned elt_num, unsigned elt_size,
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unsigned cache_size, unsigned private_data_size,
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rte_mempool_ctor_t *mp_init, void *mp_init_arg,
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rte_mempool_obj_ctor_t *obj_init, void *obj_init_arg,
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int socket_id, unsigned flags)
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{
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struct rte_mempool *mp = NULL;
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phys_addr_t *pa;
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char *va;
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size_t sz;
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uint32_t pg_num, pg_shift, pg_sz, total_size;
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const struct rte_memzone *mz;
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char mz_name[RTE_MEMZONE_NAMESIZE];
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int mz_flags = RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY;
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pg_sz = RTE_PGSIZE_2M;
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pg_shift = rte_bsf32(pg_sz);
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total_size = rte_mempool_calc_obj_size(elt_size, flags, NULL);
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/* calc max memory size and max number of pages needed. */
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sz = rte_mempool_xmem_size(elt_num, total_size, pg_shift) +
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RTE_PGSIZE_2M;
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pg_num = sz >> pg_shift;
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/* extract physical mappings of the allocated memory. */
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pa = calloc(pg_num, sizeof (*pa));
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if (pa == NULL)
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return mp;
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snprintf(mz_name, sizeof(mz_name), RTE_MEMPOOL_OBJ_NAME, name);
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mz = rte_memzone_reserve(mz_name, sz, socket_id, mz_flags);
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if (mz == NULL) {
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free(pa);
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return mp;
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}
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va = (char *)RTE_ALIGN_CEIL((uintptr_t)mz->addr, RTE_PGSIZE_2M);
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/* extract physical mappings of the allocated memory. */
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get_phys_map(va, pa, pg_num, pg_sz, mz->memseg_id);
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mp = rte_mempool_xmem_create(name, elt_num, elt_size,
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cache_size, private_data_size,
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mp_init, mp_init_arg,
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obj_init, obj_init_arg,
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socket_id, flags, va, pa, pg_num, pg_shift);
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free(pa);
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return mp;
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}
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