4 * Copyright (C) 2017 Cavium Inc. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <rte_mempool.h>
34 #include <rte_malloc.h>
37 #include "octeontx_fpavf.h"
40 octeontx_fpavf_alloc(struct rte_mempool *mp)
43 uint32_t memseg_count = mp->size;
47 object_size = mp->elt_size + mp->header_size + mp->trailer_size;
49 pool = octeontx_fpa_bufpool_create(object_size, memseg_count,
50 OCTEONTX_FPAVF_BUF_OFFSET,
52 rc = octeontx_fpa_bufpool_block_size(pool);
56 if ((uint32_t)rc != object_size)
57 fpavf_log_err("buffer size mismatch: %d instead of %u\n",
60 fpavf_log_info("Pool created %p with .. ", (void *)pool);
61 fpavf_log_info("obj_sz %d, cnt %d\n", object_size, memseg_count);
63 /* assign pool handle to mempool */
64 mp->pool_id = (uint64_t)pool;
73 octeontx_fpavf_free(struct rte_mempool *mp)
76 pool = (uintptr_t)mp->pool_id;
78 octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
81 static __rte_always_inline void *
82 octeontx_fpa_bufpool_alloc(uintptr_t handle)
84 return (void *)(uintptr_t)fpavf_read64((void *)(handle +
85 FPA_VF_VHAURA_OP_ALLOC(0)));
88 static __rte_always_inline void
89 octeontx_fpa_bufpool_free(uintptr_t handle, void *buf)
91 uint64_t free_addr = FPA_VF_FREE_ADDRS_S(FPA_VF_VHAURA_OP_FREE(0),
92 0 /* DWB */, 1 /* FABS */);
94 fpavf_write64((uintptr_t)buf, (void *)(uintptr_t)(handle + free_addr));
98 octeontx_fpavf_enqueue(struct rte_mempool *mp, void * const *obj_table,
104 pool = (uintptr_t)mp->pool_id;
105 /* Get pool bar address from handle */
106 pool &= ~(uint64_t)FPA_GPOOL_MASK;
107 for (index = 0; index < n; index++, obj_table++)
108 octeontx_fpa_bufpool_free(pool, *obj_table);
114 octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
121 pool = (uintptr_t)mp->pool_id;
122 /* Get pool bar address from handle */
123 pool &= ~(uint64_t)FPA_GPOOL_MASK;
124 for (index = 0; index < n; index++, obj_table++) {
125 obj = octeontx_fpa_bufpool_alloc(pool);
128 * Failed to allocate the requested number of objects
129 * from the pool. Current pool implementation requires
130 * completing the entire request or returning error
132 * Free already allocated buffers to the pool.
134 for (; index > 0; index--) {
136 octeontx_fpa_bufpool_free(pool, *obj_table);
147 octeontx_fpavf_get_count(const struct rte_mempool *mp)
151 pool = (uintptr_t)mp->pool_id;
153 return octeontx_fpa_bufpool_free_count(pool);
157 octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
161 *flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
162 MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
167 octeontx_fpavf_register_memory_area(const struct rte_mempool *mp,
168 char *vaddr, rte_iova_t paddr, size_t len)
174 gpool = octeontx_fpa_bufpool_gpool(mp->pool_id);
175 pool_bar = mp->pool_id & ~(uint64_t)FPA_GPOOL_MASK;
177 return octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool);
180 static struct rte_mempool_ops octeontx_fpavf_ops = {
181 .name = "octeontx_fpavf",
182 .alloc = octeontx_fpavf_alloc,
183 .free = octeontx_fpavf_free,
184 .enqueue = octeontx_fpavf_enqueue,
185 .dequeue = octeontx_fpavf_dequeue,
186 .get_count = octeontx_fpavf_get_count,
187 .get_capabilities = octeontx_fpavf_get_capabilities,
188 .register_memory_area = octeontx_fpavf_register_memory_area,
191 MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);