4 * Copyright (C) 2017 Cavium Inc. All rights reserved.
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7 * modification, are permitted provided that the following conditions
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18 * from this software without specific prior written permission.
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21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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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;
48 /* virtual hugepage mapped addr */
49 va_start = ~(uint64_t)0;
51 object_size = mp->elt_size + mp->header_size + mp->trailer_size;
53 pool = octeontx_fpa_bufpool_create(object_size, memseg_count,
54 OCTEONTX_FPAVF_BUF_OFFSET,
57 rc = octeontx_fpa_bufpool_block_size(pool);
61 if ((uint32_t)rc != object_size)
62 fpavf_log_err("buffer size mismatch: %d instead of %u\n",
65 fpavf_log_info("Pool created %p with .. ", (void *)pool);
66 fpavf_log_info("obj_sz %d, cnt %d\n", object_size, memseg_count);
68 /* assign pool handle to mempool */
69 mp->pool_id = (uint64_t)pool;
78 octeontx_fpavf_free(struct rte_mempool *mp)
82 pool = (uintptr_t)mp->pool_id;
84 octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
87 static __rte_always_inline void *
88 octeontx_fpa_bufpool_alloc(uintptr_t handle)
90 return (void *)(uintptr_t)fpavf_read64((void *)(handle +
91 FPA_VF_VHAURA_OP_ALLOC(0)));
94 static __rte_always_inline void
95 octeontx_fpa_bufpool_free(uintptr_t handle, void *buf)
97 uint64_t free_addr = FPA_VF_FREE_ADDRS_S(FPA_VF_VHAURA_OP_FREE(0),
98 0 /* DWB */, 1 /* FABS */);
100 fpavf_write64((uintptr_t)buf, (void *)(uintptr_t)(handle + free_addr));
104 octeontx_fpavf_enqueue(struct rte_mempool *mp, void * const *obj_table,
110 pool = (uintptr_t)mp->pool_id;
111 /* Get pool bar address from handle */
112 pool &= ~(uint64_t)FPA_GPOOL_MASK;
113 for (index = 0; index < n; index++, obj_table++)
114 octeontx_fpa_bufpool_free(pool, *obj_table);
120 octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
127 pool = (uintptr_t)mp->pool_id;
128 /* Get pool bar address from handle */
129 pool &= ~(uint64_t)FPA_GPOOL_MASK;
130 for (index = 0; index < n; index++, obj_table++) {
131 obj = octeontx_fpa_bufpool_alloc(pool);
134 * Failed to allocate the requested number of objects
135 * from the pool. Current pool implementation requires
136 * completing the entire request or returning error
138 * Free already allocated buffers to the pool.
140 for (; index > 0; index--) {
142 octeontx_fpa_bufpool_free(pool, *obj_table);
153 octeontx_fpavf_get_count(const struct rte_mempool *mp)
157 pool = (uintptr_t)mp->pool_id;
159 return octeontx_fpa_bufpool_free_count(pool);
163 octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
167 *flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
168 MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
172 static struct rte_mempool_ops octeontx_fpavf_ops = {
173 .name = "octeontx_fpavf",
174 .alloc = octeontx_fpavf_alloc,
175 .free = octeontx_fpavf_free,
176 .enqueue = octeontx_fpavf_enqueue,
177 .dequeue = octeontx_fpavf_dequeue,
178 .get_count = octeontx_fpavf_get_count,
179 .get_capabilities = octeontx_fpavf_get_capabilities,
180 .register_memory_area = NULL,
183 MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);