1 /* SPDX-License-Identifier: BSD-3-Clause
2 * see the individual elements.
3 * Copyright(c) 2019-2023 Broadcom
4 * All rights reserved.
5 */
6
7 #include <rte_memcpy.h>
8 #include <rte_byteorder.h>
9 #include <rte_config.h>
10 #include <rte_mbuf.h>
11 #include <rte_ethdev.h>
12 #include <rte_lcore.h>
13 #include <rte_log.h>
14 #include <rte_errno.h>
15 #include <rte_malloc.h>
16 #include <rte_spinlock.h>
17
18 #include "tf_core.h"
19 #include "tfp.h"
20 #include "bnxt.h"
21 #include "bnxt_hwrm.h"
22 #include "tf_msg_common.h"
23
24 /**
25 * Sends TruFlow msg to the TruFlow Firmware using
26 * a message specific HWRM message type.
27 *
28 * Returns success or failure code.
29 */
30 int
tfp_send_msg_direct(struct bnxt * bp,struct tfp_send_msg_parms * parms)31 tfp_send_msg_direct(struct bnxt *bp,
32 struct tfp_send_msg_parms *parms)
33 {
34 int rc = 0;
35 uint8_t use_kong_mb = 1;
36
37 if (parms == NULL)
38 return -EINVAL;
39
40 if (parms->mailbox == TF_CHIMP_MB)
41 use_kong_mb = 0;
42
43 rc = bnxt_hwrm_tf_message_direct(bp,
44 use_kong_mb,
45 parms->tf_type,
46 parms->req_data,
47 parms->req_size,
48 parms->resp_data,
49 parms->resp_size);
50
51 return rc;
52 }
53
54 /**
55 * Allocates zeroed memory from the heap.
56 *
57 * Returns success or failure code.
58 */
59 int
tfp_calloc(struct tfp_calloc_parms * parms)60 tfp_calloc(struct tfp_calloc_parms *parms)
61 {
62 if (parms == NULL)
63 return -EINVAL;
64
65 parms->mem_va = rte_zmalloc("tf",
66 (parms->nitems * parms->size),
67 parms->alignment);
68 if (parms->mem_va == NULL) {
69 TFP_DRV_LOG(ERR, "Allocate failed mem_va\n");
70 return -ENOMEM;
71 }
72
73 parms->mem_pa = (void *)((uintptr_t)rte_mem_virt2iova(parms->mem_va));
74 if (parms->mem_pa == (void *)((uintptr_t)RTE_BAD_IOVA)) {
75 TFP_DRV_LOG(ERR, "Allocate failed mem_pa\n");
76 return -ENOMEM;
77 }
78
79 return 0;
80 }
81
82 /**
83 * Frees the memory space pointed to by the provided pointer. The
84 * pointer must have been returned from the tfp_calloc().
85 */
86 void
tfp_free(void * addr)87 tfp_free(void *addr)
88 {
89 rte_free(addr);
90 }
91
92 /**
93 * Copies n bytes from src memory to dest memory. The memory areas
94 * must not overlap.
95 */
96 void
tfp_memcpy(void * dest,void * src,size_t n)97 tfp_memcpy(void *dest, void *src, size_t n)
98 {
99 rte_memcpy(dest, src, n);
100 }
101
102 /**
103 * Used to initialize portable spin lock
104 */
105 void
tfp_spinlock_init(struct tfp_spinlock_parms * parms)106 tfp_spinlock_init(struct tfp_spinlock_parms *parms)
107 {
108 rte_spinlock_init(&parms->slock);
109 }
110
111 /**
112 * Used to lock portable spin lock
113 */
114 void
tfp_spinlock_lock(struct tfp_spinlock_parms * parms)115 tfp_spinlock_lock(struct tfp_spinlock_parms *parms)
116 {
117 rte_spinlock_lock(&parms->slock);
118 }
119
120 /**
121 * Used to unlock portable spin lock
122 */
123 void
tfp_spinlock_unlock(struct tfp_spinlock_parms * parms)124 tfp_spinlock_unlock(struct tfp_spinlock_parms *parms)
125 {
126 rte_spinlock_unlock(&parms->slock);
127 }
128
129 int
tfp_get_fid(struct tf * tfp,uint16_t * fw_fid)130 tfp_get_fid(struct tf *tfp, uint16_t *fw_fid)
131 {
132 struct bnxt *bp = NULL;
133
134 if (tfp == NULL || fw_fid == NULL)
135 return -EINVAL;
136
137 bp = (struct bnxt *)tfp->bp;
138 if (bp == NULL)
139 return -EINVAL;
140
141 *fw_fid = bp->fw_fid;
142
143 return 0;
144 }
145
146 int
tfp_get_pf(struct tf * tfp,uint16_t * pf)147 tfp_get_pf(struct tf *tfp, uint16_t *pf)
148 {
149 struct bnxt *bp = NULL;
150
151 if (tfp == NULL || pf == NULL)
152 return -EINVAL;
153
154 bp = (struct bnxt *)tfp->bp;
155 if (BNXT_VF(bp) && bp->parent) {
156 *pf = bp->parent->fid - 1;
157 return 0;
158 } else if (BNXT_PF(bp)) {
159 *pf = bp->fw_fid - 1;
160 return 0;
161 }
162 return -EINVAL;
163 }
164