-/*
- * 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>
uintptr_t pool;
uint32_t memseg_count = mp->size;
uint32_t object_size;
- uintptr_t va_start;
int rc = 0;
- /* virtual hugepage mapped addr */
- va_start = ~(uint64_t)0;
-
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)
return rc;
}
+static void
+octeontx_fpavf_free(struct rte_mempool *mp)
+{
+ uintptr_t pool;
+ pool = (uintptr_t)mp->pool_id;
+
+ octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
+}
+
+static __rte_always_inline void *
+octeontx_fpa_bufpool_alloc(uintptr_t handle)
+{
+ return (void *)(uintptr_t)fpavf_read64((void *)(handle +
+ FPA_VF_VHAURA_OP_ALLOC(0)));
+}
+
+static __rte_always_inline void
+octeontx_fpa_bufpool_free(uintptr_t handle, void *buf)
+{
+ uint64_t free_addr = FPA_VF_FREE_ADDRS_S(FPA_VF_VHAURA_OP_FREE(0),
+ 0 /* DWB */, 1 /* FABS */);
+
+ fpavf_write64((uintptr_t)buf, (void *)(uintptr_t)(handle + free_addr));
+}
+
+static int
+octeontx_fpavf_enqueue(struct rte_mempool *mp, void * const *obj_table,
+ unsigned int n)
+{
+ uintptr_t pool;
+ unsigned int index;
+
+ pool = (uintptr_t)mp->pool_id;
+ /* Get pool bar address from handle */
+ pool &= ~(uint64_t)FPA_GPOOL_MASK;
+ for (index = 0; index < n; index++, obj_table++)
+ octeontx_fpa_bufpool_free(pool, *obj_table);
+
+ return 0;
+}
+
+static int
+octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
+ unsigned int n)
+{
+ unsigned int index;
+ uintptr_t pool;
+ void *obj;
+
+ pool = (uintptr_t)mp->pool_id;
+ /* Get pool bar address from handle */
+ pool &= ~(uint64_t)FPA_GPOOL_MASK;
+ for (index = 0; index < n; index++, obj_table++) {
+ obj = octeontx_fpa_bufpool_alloc(pool);
+ if (obj == NULL) {
+ /*
+ * Failed to allocate the requested number of objects
+ * from the pool. Current pool implementation requires
+ * completing the entire request or returning error
+ * otherwise.
+ * Free already allocated buffers to the pool.
+ */
+ for (; index > 0; index--) {
+ obj_table--;
+ octeontx_fpa_bufpool_free(pool, *obj_table);
+ }
+ return -ENOMEM;
+ }
+ *obj_table = obj;
+ }
+
+ return 0;
+}
+
+static unsigned int
+octeontx_fpavf_get_count(const struct rte_mempool *mp)
+{
+ uintptr_t pool;
+
+ pool = (uintptr_t)mp->pool_id;
+
+ return octeontx_fpa_bufpool_free_count(pool);
+}
+
+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)
+{
+ 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_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)
+{
+ size_t total_elt_sz;
+ size_t off;
+ uint8_t gpool;
+ uintptr_t pool_bar;
+ int ret;
+
+ if (iova == RTE_BAD_IOVA)
+ return -EINVAL;
+
+ total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
+
+ /* 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 = {
.name = "octeontx_fpavf",
.alloc = octeontx_fpavf_alloc,
- .free = NULL,
- .enqueue = NULL,
- .dequeue = NULL,
- .get_count = NULL,
- .get_capabilities = NULL,
- .register_memory_area = NULL,
+ .free = octeontx_fpavf_free,
+ .enqueue = octeontx_fpavf_enqueue,
+ .dequeue = octeontx_fpavf_dequeue,
+ .get_count = octeontx_fpavf_get_count,
+ .calc_mem_size = octeontx_fpavf_calc_mem_size,
+ .populate = octeontx_fpavf_populate,
};
MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);