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
39 #define QL8_SEMLOCK_TIMEOUT 1000/* QLA8020 Semaphore Lock Timeout 10ms */
40
41
42 /*
43 * Inline functions for hardware semaphores
44 */
45
46 /*
47 * Name: qla_sem_lock
48 * Function: Locks one of the semaphore registers (semaphore 2,3,5 & 7)
49 * If the id_reg is valid, then id_val is written into it.
50 * This is for debugging purpose
51 * Returns: 0 on success; otherwise its failed.
52 */
53 static __inline int
qla_sem_lock(qla_host_t * ha,uint32_t sem_reg,uint32_t id_reg,uint32_t id_val)54 qla_sem_lock(qla_host_t *ha, uint32_t sem_reg, uint32_t id_reg, uint32_t id_val)
55 {
56 int count = QL8_SEMLOCK_TIMEOUT;
57
58 while (count) {
59 if ((READ_REG32(ha, sem_reg) & BIT_0))
60 break;
61 count--;
62
63 if (!count)
64 return(-1);
65 qla_mdelay(__func__, 10);
66 }
67 if (id_reg)
68 WRITE_REG32(ha, id_reg, id_val);
69
70 return(0);
71 }
72
73 /*
74 * Name: qla_sem_unlock
75 * Function: Unlocks the semaphore registers (semaphore 2,3,5 & 7)
76 * previously locked by qla_sem_lock()
77 */
78 static __inline void
qla_sem_unlock(qla_host_t * ha,uint32_t sem_reg)79 qla_sem_unlock(qla_host_t *ha, uint32_t sem_reg)
80 {
81 READ_REG32(ha, sem_reg);
82 }
83
84 static __inline int
qla_get_ifq_snd_maxlen(qla_host_t * ha)85 qla_get_ifq_snd_maxlen(qla_host_t *ha)
86 {
87 return(((NUM_TX_DESCRIPTORS * 4) - 1));
88 }
89
90 static __inline uint32_t
qla_get_optics(qla_host_t * ha)91 qla_get_optics(qla_host_t *ha)
92 {
93 uint32_t link_speed;
94
95 link_speed = READ_REG32(ha, Q8_LINK_SPEED_0);
96 if (ha->pci_func == 0)
97 link_speed = link_speed & 0xFF;
98 else
99 link_speed = (link_speed >> 8) & 0xFF;
100
101 switch (link_speed) {
102 case 0x1:
103 link_speed = IFM_100_FX;
104 break;
105
106 case 0x10:
107 link_speed = IFM_1000_SX;
108 break;
109
110 default:
111 if ((ha->hw.module_type == 0x4) ||
112 (ha->hw.module_type == 0x5) ||
113 (ha->hw.module_type == 0x6))
114 link_speed = (IFM_10G_TWINAX);
115 else
116 link_speed = (IFM_10G_LR | IFM_10G_SR);
117 break;
118 }
119
120 return(link_speed);
121 }
122
123 static __inline uint8_t *
qla_get_mac_addr(qla_host_t * ha)124 qla_get_mac_addr(qla_host_t *ha)
125 {
126 return (ha->hw.mac_addr);
127 }
128
129 static __inline void
qla_set_hw_rcv_desc(qla_host_t * ha,uint32_t r_idx,uint32_t index,uint32_t handle,bus_addr_t paddr,uint32_t buf_size)130 qla_set_hw_rcv_desc(qla_host_t *ha, uint32_t r_idx, uint32_t index,
131 uint32_t handle, bus_addr_t paddr, uint32_t buf_size)
132 {
133 volatile q80_recv_desc_t *rcv_desc;
134
135 rcv_desc = (q80_recv_desc_t *)ha->hw.dma_buf.rds_ring[r_idx].dma_b;
136
137 rcv_desc += index;
138
139 rcv_desc->handle = (uint16_t)handle;
140 rcv_desc->buf_size = buf_size;
141 rcv_desc->buf_addr = paddr;
142
143 return;
144 }
145
146 static __inline void
qla_init_hw_rcv_descriptors(qla_host_t * ha)147 qla_init_hw_rcv_descriptors(qla_host_t *ha)
148 {
149 int i;
150
151 for (i = 0; i < ha->hw.num_rds_rings; i++)
152 bzero((void *)ha->hw.dma_buf.rds_ring[i].dma_b,
153 (sizeof(q80_recv_desc_t) * NUM_RX_DESCRIPTORS));
154 }
155
156 #define QLA_LOCK_DEFAULT_MS_TIMEOUT 3000
157
158 #ifndef QLA_LOCK_NO_SLEEP
159 #define QLA_LOCK_NO_SLEEP 0
160 #endif
161
162 static __inline int
qla_lock(qla_host_t * ha,const char * str,uint32_t timeout_ms,uint32_t no_sleep)163 qla_lock(qla_host_t *ha, const char *str, uint32_t timeout_ms,
164 uint32_t no_sleep)
165 {
166 int ret = -1;
167
168 while (1) {
169 mtx_lock(&ha->hw_lock);
170
171 if (ha->qla_detach_active || ha->offline) {
172 mtx_unlock(&ha->hw_lock);
173 break;
174 }
175
176 if (!ha->hw_lock_held) {
177 ha->hw_lock_held = 1;
178 ha->qla_lock = str;
179 ret = 0;
180 mtx_unlock(&ha->hw_lock);
181 break;
182 }
183 mtx_unlock(&ha->hw_lock);
184
185 if (--timeout_ms == 0) {
186 ha->hw_lock_failed++;
187 break;
188 } else {
189 if (no_sleep)
190 DELAY(1000);
191 else
192 qla_mdelay(__func__, 1);
193 }
194 }
195
196 // if (!ha->enable_error_recovery)
197 // device_printf(ha->pci_dev, "%s: %s ret = %d\n", __func__,
198 // str,ret);
199
200 return (ret);
201 }
202
203 static __inline void
qla_unlock(qla_host_t * ha,const char * str)204 qla_unlock(qla_host_t *ha, const char *str)
205 {
206 mtx_lock(&ha->hw_lock);
207 ha->hw_lock_held = 0;
208 ha->qla_unlock = str;
209 mtx_unlock(&ha->hw_lock);
210
211 // if (!ha->enable_error_recovery)
212 // device_printf(ha->pci_dev, "%s: %s\n", __func__, str);
213
214 return;
215 }
216
217 #endif /* #ifndef _QL_INLINE_H_ */
218