-/*
- * BSD LICENSE
- *
- * Copyright (C) 2017 Cavium Inc. 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) 2017 Cavium, Inc
*/
+
#include <stdio.h>
#include <rte_mempool.h>
#include <rte_malloc.h>
#include "octeontx_fpavf.h"
-/*
- * Per-pool descriptor.
- * Links mempool with the corresponding memzone,
- * that provides memory under the pool's elements.
- */
-struct octeontx_pool_info {
- const struct rte_mempool *mp;
- uintptr_t mz_addr;
-
- SLIST_ENTRY(octeontx_pool_info) link;
-};
-
-SLIST_HEAD(octeontx_pool_list, octeontx_pool_info);
-
-/* List of the allocated pools */
-static struct octeontx_pool_list octeontx_pool_head =
- SLIST_HEAD_INITIALIZER(octeontx_pool_head);
-/* Spinlock to protect pool list */
-static rte_spinlock_t pool_list_lock = RTE_SPINLOCK_INITIALIZER;
-
static int
octeontx_fpavf_alloc(struct rte_mempool *mp)
{
uintptr_t pool;
- struct octeontx_pool_info *pool_info;
uint32_t memseg_count = mp->size;
uint32_t object_size;
- uintptr_t va_start;
int rc = 0;
- rte_spinlock_lock(&pool_list_lock);
- SLIST_FOREACH(pool_info, &octeontx_pool_head, link) {
- if (pool_info->mp == mp)
- break;
- }
- if (pool_info == NULL) {
- rte_spinlock_unlock(&pool_list_lock);
- return -ENXIO;
- }
-
- /* virtual hugepage mapped addr */
- va_start = pool_info->mz_addr;
- rte_spinlock_unlock(&pool_list_lock);
-
object_size = mp->elt_size + mp->header_size + mp->trailer_size;
pool = octeontx_fpa_bufpool_create(object_size, memseg_count,
OCTEONTX_FPAVF_BUF_OFFSET,
- (char **)&va_start,
mp->socket_id);
rc = octeontx_fpa_bufpool_block_size(pool);
if (rc < 0)
static void
octeontx_fpavf_free(struct rte_mempool *mp)
{
- struct octeontx_pool_info *pool_info;
uintptr_t pool;
-
pool = (uintptr_t)mp->pool_id;
- rte_spinlock_lock(&pool_list_lock);
- SLIST_FOREACH(pool_info, &octeontx_pool_head, link) {
- if (pool_info->mp == mp)
- break;
- }
-
- if (pool_info == NULL) {
- rte_spinlock_unlock(&pool_list_lock);
- rte_panic("%s: trying to free pool with no valid metadata",
- __func__);
- }
-
- SLIST_REMOVE(&octeontx_pool_head, pool_info, octeontx_pool_info, link);
- rte_spinlock_unlock(&pool_list_lock);
-
- rte_free(pool_info);
octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
}
return octeontx_fpa_bufpool_free_count(pool);
}
-static int
-octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
- unsigned int *flags)
+static ssize_t
+octeontx_fpavf_calc_mem_size(const struct rte_mempool *mp,
+ uint32_t obj_num, uint32_t pg_shift,
+ size_t *min_chunk_size, size_t *align)
{
- RTE_SET_USED(mp);
- *flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
- MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
- return 0;
+ ssize_t mem_size;
+ size_t total_elt_sz;
+
+ /* Need space for one more obj on each chunk to fulfill
+ * alignment requirements.
+ */
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+ mem_size = rte_mempool_op_calc_mem_size_helper(mp, obj_num, pg_shift,
+ total_elt_sz, min_chunk_size,
+ align);
+ if (mem_size >= 0) {
+ /*
+ * Memory area which contains objects must be physically
+ * contiguous.
+ */
+ *min_chunk_size = mem_size;
+ }
+
+ return mem_size;
}
static int
-octeontx_fpavf_register_memory_area(const struct rte_mempool *mp,
- char *vaddr, rte_iova_t paddr, size_t len)
+octeontx_fpavf_populate(struct rte_mempool *mp, unsigned int max_objs,
+ void *vaddr, rte_iova_t iova, size_t len,
+ rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg)
{
- struct octeontx_pool_info *pool_info;
+ size_t total_elt_sz;
+ size_t off;
+ uint8_t gpool;
+ uintptr_t pool_bar;
+ int ret;
- RTE_SET_USED(paddr);
- RTE_SET_USED(len);
+ if (iova == RTE_BAD_IOVA)
+ return -EINVAL;
- pool_info = rte_malloc("octeontx_pool_info", sizeof(*pool_info), 0);
- if (pool_info == NULL)
- return -ENOMEM;
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
- pool_info->mp = mp;
- pool_info->mz_addr = (uintptr_t)vaddr;
- rte_spinlock_lock(&pool_list_lock);
- SLIST_INSERT_HEAD(&octeontx_pool_head, pool_info, link);
- rte_spinlock_unlock(&pool_list_lock);
- return 0;
+ /* align object start address to a multiple of total_elt_sz */
+ off = total_elt_sz - ((((uintptr_t)vaddr - 1) % total_elt_sz) + 1);
+
+ if (len < off)
+ return -EINVAL;
+
+ vaddr = (char *)vaddr + off;
+ iova += off;
+ len -= off;
+
+ gpool = octeontx_fpa_bufpool_gpool(mp->pool_id);
+ pool_bar = mp->pool_id & ~(uint64_t)FPA_GPOOL_MASK;
+
+ ret = octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool);
+ if (ret < 0)
+ return ret;
+
+ return rte_mempool_op_populate_helper(mp,
+ RTE_MEMPOOL_POPULATE_F_ALIGN_OBJ,
+ max_objs, vaddr, iova, len,
+ obj_cb, obj_cb_arg);
}
static struct rte_mempool_ops octeontx_fpavf_ops = {
.enqueue = octeontx_fpavf_enqueue,
.dequeue = octeontx_fpavf_dequeue,
.get_count = octeontx_fpavf_get_count,
- .get_capabilities = octeontx_fpavf_get_capabilities,
- .register_memory_area = octeontx_fpavf_register_memory_area,
+ .calc_mem_size = octeontx_fpavf_calc_mem_size,
+ .populate = octeontx_fpavf_populate,
};
MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);