1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
6 #include <rte_mempool.h>
7 #include <rte_malloc.h>
10 #include "octeontx_fpavf.h"
13 octeontx_fpavf_alloc(struct rte_mempool *mp)
16 uint32_t memseg_count = mp->size;
20 object_size = mp->elt_size + mp->header_size + mp->trailer_size;
22 pool = octeontx_fpa_bufpool_create(object_size, memseg_count,
23 OCTEONTX_FPAVF_BUF_OFFSET,
25 rc = octeontx_fpa_bufpool_block_size(pool);
29 if ((uint32_t)rc != object_size)
30 fpavf_log_err("buffer size mismatch: %d instead of %u\n",
33 fpavf_log_info("Pool created %p with .. ", (void *)pool);
34 fpavf_log_info("obj_sz %d, cnt %d\n", object_size, memseg_count);
36 /* assign pool handle to mempool */
37 mp->pool_id = (uint64_t)pool;
46 octeontx_fpavf_free(struct rte_mempool *mp)
49 pool = (uintptr_t)mp->pool_id;
51 octeontx_fpa_bufpool_destroy(pool, mp->socket_id);
54 static __rte_always_inline void *
55 octeontx_fpa_bufpool_alloc(uintptr_t handle)
57 return (void *)(uintptr_t)fpavf_read64((void *)(handle +
58 FPA_VF_VHAURA_OP_ALLOC(0)));
61 static __rte_always_inline void
62 octeontx_fpa_bufpool_free(uintptr_t handle, void *buf)
64 uint64_t free_addr = FPA_VF_FREE_ADDRS_S(FPA_VF_VHAURA_OP_FREE(0),
65 0 /* DWB */, 1 /* FABS */);
67 fpavf_write64((uintptr_t)buf, (void *)(uintptr_t)(handle + free_addr));
71 octeontx_fpavf_enqueue(struct rte_mempool *mp, void * const *obj_table,
77 pool = (uintptr_t)mp->pool_id;
78 /* Get pool bar address from handle */
79 pool &= ~(uint64_t)FPA_GPOOL_MASK;
80 for (index = 0; index < n; index++, obj_table++)
81 octeontx_fpa_bufpool_free(pool, *obj_table);
87 octeontx_fpavf_dequeue(struct rte_mempool *mp, void **obj_table,
94 pool = (uintptr_t)mp->pool_id;
95 /* Get pool bar address from handle */
96 pool &= ~(uint64_t)FPA_GPOOL_MASK;
97 for (index = 0; index < n; index++, obj_table++) {
98 obj = octeontx_fpa_bufpool_alloc(pool);
101 * Failed to allocate the requested number of objects
102 * from the pool. Current pool implementation requires
103 * completing the entire request or returning error
105 * Free already allocated buffers to the pool.
107 for (; index > 0; index--) {
109 octeontx_fpa_bufpool_free(pool, *obj_table);
120 octeontx_fpavf_get_count(const struct rte_mempool *mp)
124 pool = (uintptr_t)mp->pool_id;
126 return octeontx_fpa_bufpool_free_count(pool);
130 octeontx_fpavf_get_capabilities(const struct rte_mempool *mp,
134 *flags |= (MEMPOOL_F_CAPA_PHYS_CONTIG |
135 MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS);
140 octeontx_fpavf_register_memory_area(const struct rte_mempool *mp,
141 char *vaddr, rte_iova_t paddr, size_t len)
147 gpool = octeontx_fpa_bufpool_gpool(mp->pool_id);
148 pool_bar = mp->pool_id & ~(uint64_t)FPA_GPOOL_MASK;
150 return octeontx_fpavf_pool_set_range(pool_bar, len, vaddr, gpool);
153 static struct rte_mempool_ops octeontx_fpavf_ops = {
154 .name = "octeontx_fpavf",
155 .alloc = octeontx_fpavf_alloc,
156 .free = octeontx_fpavf_free,
157 .enqueue = octeontx_fpavf_enqueue,
158 .dequeue = octeontx_fpavf_dequeue,
159 .get_count = octeontx_fpavf_get_count,
160 .get_capabilities = octeontx_fpavf_get_capabilities,
161 .register_memory_area = octeontx_fpavf_register_memory_area,
164 MEMPOOL_REGISTER_OPS(octeontx_fpavf_ops);