1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013-2016 Qlogic Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31 /*
32 * File: ql_inline.h
33 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
34 */
35 #ifndef _QL_INLINE_H_
36 #define _QL_INLINE_H_
37
38 #define QL8_SEMLOCK_TIMEOUT 1000/* QLA8020 Semaphore Lock Timeout 10ms */
39
40 /*
41 * Inline functions for hardware semaphores
42 */
43
44 /*
45 * Name: qla_sem_lock
46 * Function: Locks one of the semaphore registers (semaphore 2,3,5 & 7)
47 * If the id_reg is valid, then id_val is written into it.
48 * This is for debugging purpose
49 * Returns: 0 on success; otherwise its failed.
50 */
51 static __inline int
52 qla_sem_lock(qla_host_t *ha, uint32_t sem_reg, uint32_t id_reg, uint32_t id_val)
53 {
54 int count = QL8_SEMLOCK_TIMEOUT;
55
56 while (count) {
57 if ((READ_REG32(ha, sem_reg) & BIT_0))
58 break;
59 count--;
60
61 if (!count)
62 return(-1);
63 qla_mdelay(__func__, 10);
64 }
65 if (id_reg)
66 WRITE_REG32(ha, id_reg, id_val);
67
68 return(0);
69 }
70
71 /*
72 * Name: qla_sem_unlock
73 * Function: Unlocks the semaphore registers (semaphore 2,3,5 & 7)
74 * previously locked by qla_sem_lock()
75 */
76 static __inline void
77 qla_sem_unlock(qla_host_t *ha, uint32_t sem_reg)
78 {
79 READ_REG32(ha, sem_reg);
80 }
81
82 static __inline int
83 qla_get_ifq_snd_maxlen(qla_host_t *ha)
84 {
85 return(((NUM_TX_DESCRIPTORS * 4) - 1));
86 }
87
88 static __inline uint32_t
89 qla_get_optics(qla_host_t *ha)
90 {
91 uint32_t link_speed;
92
93 link_speed = READ_REG32(ha, Q8_LINK_SPEED_0);
94 if (ha->pci_func == 0)
95 link_speed = link_speed & 0xFF;
96 else
97 link_speed = (link_speed >> 8) & 0xFF;
98
99 switch (link_speed) {
100 case 0x1:
101 link_speed = IFM_100_FX;
102 break;
103
104 case 0x10:
105 link_speed = IFM_1000_SX;
106 break;
107
108 default:
109 if ((ha->hw.module_type == 0x4) ||
110 (ha->hw.module_type == 0x5) ||
111 (ha->hw.module_type == 0x6))
112 link_speed = (IFM_10G_TWINAX);
113 else
114 link_speed = (IFM_10G_LR | IFM_10G_SR);
115 break;
116 }
117
118 return(link_speed);
119 }
120
121 static __inline uint8_t *
122 qla_get_mac_addr(qla_host_t *ha)
123 {
124 return (ha->hw.mac_addr);
125 }
126
127 static __inline void
128 qla_set_hw_rcv_desc(qla_host_t *ha, uint32_t r_idx, uint32_t index,
129 uint32_t handle, bus_addr_t paddr, uint32_t buf_size)
130 {
131 volatile q80_recv_desc_t *rcv_desc;
132
133 rcv_desc = (q80_recv_desc_t *)ha->hw.dma_buf.rds_ring[r_idx].dma_b;
134
135 rcv_desc += index;
136
137 rcv_desc->handle = (uint16_t)handle;
138 rcv_desc->buf_size = buf_size;
139 rcv_desc->buf_addr = paddr;
140
141 return;
142 }
143
144 static __inline void
145 qla_init_hw_rcv_descriptors(qla_host_t *ha)
146 {
147 int i;
148
149 for (i = 0; i < ha->hw.num_rds_rings; i++)
150 bzero((void *)ha->hw.dma_buf.rds_ring[i].dma_b,
151 (sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS));
152 }
153
154 #define QLA_LOCK_DEFAULT_MS_TIMEOUT 3000
155
156 #ifndef QLA_LOCK_NO_SLEEP
157 #define QLA_LOCK_NO_SLEEP 0
158 #endif
159
160 static __inline int
161 qla_lock(qla_host_t *ha, const char *str, uint32_t timeout_ms,
162 uint32_t no_sleep)
163 {
164 int ret = -1;
165
166 while (1) {
167 mtx_lock(&ha->hw_lock);
168
169 if (ha->qla_detach_active || ha->offline) {
170 mtx_unlock(&ha->hw_lock);
171 break;
172 }
173
174 if (!ha->hw_lock_held) {
175 ha->hw_lock_held = 1;
176 ha->qla_lock = str;
177 ret = 0;
178 mtx_unlock(&ha->hw_lock);
179 break;
180 }
181 mtx_unlock(&ha->hw_lock);
182
183 if (--timeout_ms == 0) {
184 ha->hw_lock_failed++;
185 break;
186 } else {
187 if (no_sleep)
188 DELAY(1000);
189 else
190 qla_mdelay(__func__, 1);
191 }
192 }
193
194 // if (!ha->enable_error_recovery)
195 // device_printf(ha->pci_dev, "%s: %s ret = %d\n", __func__,
196 // str,ret);
197
198 return (ret);
199 }
200
201 static __inline void
202 qla_unlock(qla_host_t *ha, const char *str)
203 {
204 mtx_lock(&ha->hw_lock);
205 ha->hw_lock_held = 0;
206 ha->qla_unlock = str;
207 mtx_unlock(&ha->hw_lock);
208
209 // if (!ha->enable_error_recovery)
210 // device_printf(ha->pci_dev, "%s: %s\n", __func__, str);
211
212 return;
213 }
214
215 #endif /* #ifndef _QL_INLINE_H_ */
Cache object: 68d5c9359c60754fc92f91fa2aa02fc8
|