1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
/*
* Linux network driver for Brocade Converged Network Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*/
#include "bfa_cee.h"
#include "bfi_cna.h"
#include "bfa_ioc.h"
static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg);
static void bfa_cee_format_cee_cfg(void *buffer);
static void
bfa_cee_format_cee_cfg(void *buffer)
{
struct bfa_cee_attr *cee_cfg = buffer;
bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote);
}
static void
bfa_cee_stats_swap(struct bfa_cee_stats *stats)
{
u32 *buffer = (u32 *)stats;
int i;
for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32));
i++) {
buffer[i] = ntohl(buffer[i]);
}
}
static void
bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg)
{
lldp_cfg->time_to_live =
ntohs(lldp_cfg->time_to_live);
lldp_cfg->enabled_system_cap =
ntohs(lldp_cfg->enabled_system_cap);
}
/**
* bfa_cee_attr_meminfo()
*
* @brief Returns the size of the DMA memory needed by CEE attributes
*
* @param[in] void
*
* @return Size of DMA region
*/
static u32
bfa_cee_attr_meminfo(void)
{
return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ);
}
/**
* bfa_cee_stats_meminfo()
*
* @brief Returns the size of the DMA memory needed by CEE stats
*
* @param[in] void
*
* @return Size of DMA region
*/
static u32
bfa_cee_stats_meminfo(void)
{
return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ);
}
/**
* bfa_cee_get_attr_isr()
*
* @brief CEE ISR for get-attributes responses from f/w
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status)
{
cee->get_attr_status = status;
if (status == BFA_STATUS_OK) {
memcpy(cee->attr, cee->attr_dma.kva,
sizeof(struct bfa_cee_attr));
bfa_cee_format_cee_cfg(cee->attr);
}
cee->get_attr_pending = false;
if (cee->cbfn.get_attr_cbfn)
cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
}
/**
* bfa_cee_get_attr_isr()
*
* @brief CEE ISR for get-stats responses from f/w
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status)
{
cee->get_stats_status = status;
if (status == BFA_STATUS_OK) {
memcpy(cee->stats, cee->stats_dma.kva,
sizeof(struct bfa_cee_stats));
bfa_cee_stats_swap(cee->stats);
}
cee->get_stats_pending = false;
if (cee->cbfn.get_stats_cbfn)
cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
}
/**
* bfa_cee_get_attr_isr()
*
* @brief CEE ISR for reset-stats responses from f/w
*
* @param[in] cee - Pointer to the CEE module
* status - Return status from the f/w
*
* @return void
*/
static void
bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status)
{
cee->reset_stats_status = status;
cee->reset_stats_pending = false;
if (cee->cbfn.reset_stats_cbfn)
cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
}
/**
* bfa_nw_cee_meminfo()
*
* @brief Returns the size of the DMA memory needed by CEE module
*
* @param[in] void
*
* @return Size of DMA region
*/
u32
bfa_nw_cee_meminfo(void)
{
return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo();
}
/**
* bfa_nw_cee_mem_claim()
*
* @brief Initialized CEE DMA Memory
*
* @param[in] cee CEE module pointer
* dma_kva Kernel Virtual Address of CEE DMA Memory
* dma_pa Physical Address of CEE DMA Memory
*
* @return void
*/
void
bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa)
{
cee->attr_dma.kva = dma_kva;
cee->attr_dma.pa = dma_pa;
cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo();
cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo();
cee->attr = (struct bfa_cee_attr *) dma_kva;
cee->stats = (struct bfa_cee_stats *)
(dma_kva + bfa_cee_attr_meminfo());
}
/**
* bfa_cee_isrs()
*
* @brief Handles Mail-box interrupts for CEE module.
*
* @param[in] Pointer to the CEE module data structure.
*
* @return void
*/
static void
bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m)
{
union bfi_cee_i2h_msg_u *msg;
struct bfi_cee_get_rsp *get_rsp;
struct bfa_cee *cee = (struct bfa_cee *) cbarg;
msg = (union bfi_cee_i2h_msg_u *) m;
get_rsp = (struct bfi_cee_get_rsp *) m;
switch (msg->mh.msg_id) {
case BFI_CEE_I2H_GET_CFG_RSP:
bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
break;
case BFI_CEE_I2H_GET_STATS_RSP:
bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
break;
case BFI_CEE_I2H_RESET_STATS_RSP:
bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
break;
default:
BUG_ON(1);
}
}
/**
* bfa_cee_notify()
*
* @brief CEE module heart-beat failure handler.
* @brief CEE module IOC event handler.
*
* @param[in] IOC event type
*
* @return void
*/
static void
bfa_cee_notify(void *arg, enum bfa_ioc_event event)
{
struct bfa_cee *cee;
cee = (struct bfa_cee *) arg;
switch (event) {
case BFA_IOC_E_DISABLED:
case BFA_IOC_E_FAILED:
if (cee->get_attr_pending == true) {
cee->get_attr_status = BFA_STATUS_FAILED;
cee->get_attr_pending = false;
if (cee->cbfn.get_attr_cbfn) {
cee->cbfn.get_attr_cbfn(
cee->cbfn.get_attr_cbarg,
BFA_STATUS_FAILED);
}
}
if (cee->get_stats_pending == true) {
cee->get_stats_status = BFA_STATUS_FAILED;
cee->get_stats_pending = false;
if (cee->cbfn.get_stats_cbfn) {
cee->cbfn.get_stats_cbfn(
cee->cbfn.get_stats_cbarg,
BFA_STATUS_FAILED);
}
}
if (cee->reset_stats_pending == true) {
cee->reset_stats_status = BFA_STATUS_FAILED;
cee->reset_stats_pending = false;
if (cee->cbfn.reset_stats_cbfn) {
cee->cbfn.reset_stats_cbfn(
cee->cbfn.reset_stats_cbarg,
BFA_STATUS_FAILED);
}
}
break;
default:
break;
}
}
/**
* bfa_nw_cee_attach()
*
* @brief CEE module-attach API
*
* @param[in] cee - Pointer to the CEE module data structure
* ioc - Pointer to the ioc module data structure
* dev - Pointer to the device driver module data structure
* The device driver specific mbox ISR functions have
* this pointer as one of the parameters.
*
* @return void
*/
void
bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc,
void *dev)
{
BUG_ON(!(cee != NULL));
cee->dev = dev;
cee->ioc = ioc;
bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
bfa_q_qe_init(&cee->ioc_notify);
bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee);
bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify);
}
|
