1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2019-2021 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <inttypes.h>
7
8 #include <rte_common.h>
9 #include <rte_malloc.h>
10 #include <rte_memzone.h>
11
12 #include "iavf_type.h"
13 #include "iavf_prototype.h"
14
15 enum iavf_status
iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw * hw,struct iavf_dma_mem * mem,u64 size,u32 alignment)16 iavf_allocate_dma_mem_d(__rte_unused struct iavf_hw *hw,
17 struct iavf_dma_mem *mem,
18 u64 size,
19 u32 alignment)
20 {
21 static RTE_ATOMIC(uint64_t) iavf_dma_memzone_id;
22 const struct rte_memzone *mz = NULL;
23 char z_name[RTE_MEMZONE_NAMESIZE];
24
25 if (!mem)
26 return IAVF_ERR_PARAM;
27
28 snprintf(z_name, sizeof(z_name), "iavf_dma_%" PRIu64,
29 rte_atomic_fetch_add_explicit(&iavf_dma_memzone_id, 1, rte_memory_order_relaxed));
30 mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
31 RTE_MEMZONE_IOVA_CONTIG, alignment,
32 RTE_PGSIZE_2M);
33 if (!mz)
34 return IAVF_ERR_NO_MEMORY;
35
36 mem->size = size;
37 mem->va = mz->addr;
38 mem->pa = mz->iova;
39 mem->zone = (const void *)mz;
40
41 return IAVF_SUCCESS;
42 }
43
44 enum iavf_status
iavf_free_dma_mem_d(__rte_unused struct iavf_hw * hw,struct iavf_dma_mem * mem)45 iavf_free_dma_mem_d(__rte_unused struct iavf_hw *hw,
46 struct iavf_dma_mem *mem)
47 {
48 if (!mem)
49 return IAVF_ERR_PARAM;
50
51 rte_memzone_free((const struct rte_memzone *)mem->zone);
52 mem->zone = NULL;
53 mem->va = NULL;
54 mem->pa = (u64)0;
55
56 return IAVF_SUCCESS;
57 }
58
59 enum iavf_status
iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw * hw,struct iavf_virt_mem * mem,u32 size)60 iavf_allocate_virt_mem_d(__rte_unused struct iavf_hw *hw,
61 struct iavf_virt_mem *mem,
62 u32 size)
63 {
64 if (!mem)
65 return IAVF_ERR_PARAM;
66
67 mem->size = size;
68 mem->va = rte_zmalloc("iavf", size, 0);
69
70 if (mem->va)
71 return IAVF_SUCCESS;
72 else
73 return IAVF_ERR_NO_MEMORY;
74 }
75
76 enum iavf_status
iavf_free_virt_mem_d(__rte_unused struct iavf_hw * hw,struct iavf_virt_mem * mem)77 iavf_free_virt_mem_d(__rte_unused struct iavf_hw *hw,
78 struct iavf_virt_mem *mem)
79 {
80 if (!mem)
81 return IAVF_ERR_PARAM;
82
83 rte_free(mem->va);
84 mem->va = NULL;
85
86 return IAVF_SUCCESS;
87 }
88
89 RTE_LOG_REGISTER_DEFAULT(iavf_common_logger, NOTICE);
90