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
|
/******************************************************************************
© 1995-2003, 2004, 2005-2011 Freescale Semiconductor, Inc.
All rights reserved.
This is proprietary source code of Freescale Semiconductor Inc.,
and its use is subject to the NetComm Device Drivers EULA.
The copyright notice above does not evidence any actual or intended
publication of such source code.
ALTERNATIVELY, redistribution and use in source and binary forms, with
or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Freescale Semiconductor nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
**************************************************************************/
/******************************************************************************
@File qman_private.h
@Description QM private header
*//***************************************************************************/
#ifndef __QMAN_PRIVATE_H
#define __QMAN_PRIVATE_H
#include "fsl_qman.h"
#define __ERR_MODULE__ MODULE_QM
#if defined(DEBUG) || !defined(DISABLE_ASSERTIONS)
/* Optionally compile-in assertion-checking */
#define QM_CHECKING
#endif /* defined(DEBUG) || ... */
/* TODO: NB, we currently assume that CORE_MemoryBarier() and lwsync() imply compiler barriers
* and that dcbzl(), dcbfl(), and dcbi() won't fall victim to compiler or
* execution reordering with respect to other code/instructions that manipulate
* the same cacheline. */
#ifdef CORE_E500MC
#if defined(_DIAB_TOOL)
#define hwsync() \
do { \
__asm__ __volatile__ ("sync"); \
} while(0)
#define lwsync() \
do { \
__asm__ __volatile__ ("lwsync"); \
} while(0)
__asm__ __volatile__ void dcbf (volatile void * addr)
{
%reg addr
dcbf r0, addr
}
__asm__ __volatile__ void dcbt_ro (volatile void * addr)
{
%reg addr
dcbt r0, addr
}
__asm__ __volatile__ void dcbt_rw (volatile void * addr)
{
%reg addr
dcbtst r0, addr
}
__asm__ __volatile__ void dcbzl (volatile void * addr)
{
%reg addr
dcbzl r0, addr
}
#define dcbz_64(p) \
do { \
dcbzl(p); \
} while (0)
#define dcbf_64(p) \
do { \
dcbf(p); \
} while (0)
/* Commonly used combo */
#define dcbit_ro(p) \
do { \
dcbi(p); \
dcbt_ro(p); \
} while (0)
#else /* GNU C */
#define hwsync() \
do { \
__asm__ __volatile__ ("sync" : : : "memory"); \
} while(0)
#define lwsync() \
do { \
__asm__ __volatile__ ("lwsync" : : : "memory"); \
} while(0)
#define dcbf(addr) \
do { \
__asm__ __volatile__ ("dcbf 0, %0" : : "r" (addr)); \
} while(0)
#define dcbt_ro(addr) \
do { \
__asm__ __volatile__ ("dcbt 0, %0" : : "r" (addr)); \
} while(0)
#define dcbt_rw(addr) \
do { \
__asm__ __volatile__ ("dcbtst 0, %0" : : "r" (addr)); \
} while(0)
#define dcbzl(p) \
do { \
__asm__ __volatile__ ("dcbzl 0,%0" : : "r" (p)); \
} while(0)
#define dcbz_64(p) \
do { \
dcbzl(p); \
} while (0)
#define dcbf_64(p) \
do { \
dcbf(p); \
} while (0)
/* Commonly used combo */
#define dcbit_ro(p) \
do { \
dcbi(p); \
dcbt_ro(p); \
} while (0)
#endif /* _DIAB_TOOL */
#else
#define hwsync CORE_MemoryBarrier
#define lwsync hwsync
#define dcbf(p) \
do { \
__asm__ __volatile__ ("dcbf 0,%0" : : "r" (p)); \
} while(0)
#define dcbt_ro(p) \
do { \
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (p)); \
lwsync(); \
} while(0)
#define dcbt_rw(p) \
do { \
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (p)); \
} while(0)
#define dcbz(p) \
do { \
__asm__ __volatile__ ("dcbz 0,%0" : : "r" (p)); \
} while (0)
#define dcbz_64(p) \
do { \
dcbz((uint32_t)p + 32); \
dcbz(p); \
} while (0)
#define dcbf_64(p) \
do { \
dcbf((uint32_t)p + 32); \
dcbf(p); \
} while (0)
/* Commonly used combo */
#define dcbit_ro(p) \
do { \
dcbi(p); \
dcbi((uint32_t)p + 32); \
dcbt_ro(p); \
dcbt_ro((uint32_t)p + 32); \
} while (0)
#endif /* CORE_E500MC */
#define dcbi(p) dcbf(p)
struct qm_addr {
void *addr_ce; /* cache-enabled */
void *addr_ci; /* cache-inhibited */
};
/* EQCR state */
struct qm_eqcr {
struct qm_eqcr_entry *ring, *cursor;
uint8_t ci, available, ithresh, vbit;
#ifdef QM_CHECKING
uint32_t busy;
e_QmPortalProduceMode pmode;
e_QmPortalEqcrConsumeMode cmode;
#endif /* QM_CHECKING */
};
/* DQRR state */
struct qm_dqrr {
struct qm_dqrr_entry *ring, *cursor;
uint8_t pi, ci, fill, ithresh, vbit, flags;
#ifdef QM_CHECKING
e_QmPortalDequeueMode dmode;
e_QmPortalProduceMode pmode;
e_QmPortalDqrrConsumeMode cmode;
#endif /* QM_CHECKING */
};
#define QM_DQRR_FLAG_RE 0x01 /* Stash ring entries */
#define QM_DQRR_FLAG_SE 0x02 /* Stash data */
/* MR state */
struct qm_mr {
struct qm_mr_entry *ring, *cursor;
uint8_t pi, ci, fill, ithresh, vbit;
#ifdef QM_CHECKING
e_QmPortalProduceMode pmode;
e_QmPortalMrConsumeMode cmode;
#endif /* QM_CHECKING */
};
/* MC state */
struct qm_mc {
struct qm_mc_command *cr;
struct qm_mc_result *rr;
uint8_t rridx, vbit;
#ifdef QM_CHECKING
enum {
/* Can be _mc_start()ed */
mc_idle,
/* Can be _mc_commit()ed or _mc_abort()ed */
mc_user,
/* Can only be _mc_retry()ed */
mc_hw
} state;
#endif /* QM_CHECKING */
};
/********************/
/* Portal structure */
/********************/
struct qm_portal {
/* In the non-QM_CHECKING case, everything up to and
* including 'mc' fits in a cacheline (yay!). The 'config' part is setup-only, so isn't a
* cause for a concern. In other words, don't rearrange this structure
* on a whim, there be dragons ... */
struct qm_addr addr;
struct qm_eqcr eqcr;
struct qm_dqrr dqrr;
struct qm_mr mr;
struct qm_mc mc;
struct qm_portal_config config;
t_Handle bind_lock;
/* Logical index (not cell-index) */
int index;
};
#endif /* __QMAN_PRIVATE_H */
|