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1da177e4 LT |
1 | /* |
2 | * csr1212.h -- IEEE 1212 Control and Status Register support for Linux | |
3 | * | |
4 | * Copyright (C) 2003 Francois Retief <fgretief@sun.ac.za> | |
5 | * Steve Kinneberg <kinnebergsteve@acmsystems.com> | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions are met: | |
9 | * | |
10 | * 1. Redistributions of source code must retain the above copyright notice, | |
11 | * this list of conditions and the following disclaimer. | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * 3. The name of the author may not be used to endorse or promote products | |
16 | * derived from this software without specific prior written permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
19 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
21 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
24 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
26 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
27 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | */ | |
29 | ||
30 | #ifndef __CSR1212_H__ | |
31 | #define __CSR1212_H__ | |
32 | ||
1da177e4 | 33 | #include <linux/types.h> |
1da177e4 | 34 | #include <linux/vmalloc.h> |
1da177e4 LT |
35 | |
36 | #define CSR1212_MALLOC(size) vmalloc((size)) | |
37 | #define CSR1212_FREE(ptr) vfree(ptr) | |
1da177e4 | 38 | |
7fb9addb | 39 | #define CSR1212_SUCCESS (0) |
1da177e4 LT |
40 | |
41 | ||
1da177e4 LT |
42 | /* CSR 1212 key types */ |
43 | #define CSR1212_KV_TYPE_IMMEDIATE 0 | |
44 | #define CSR1212_KV_TYPE_CSR_OFFSET 1 | |
45 | #define CSR1212_KV_TYPE_LEAF 2 | |
46 | #define CSR1212_KV_TYPE_DIRECTORY 3 | |
47 | ||
48 | ||
49 | /* CSR 1212 key ids */ | |
50 | #define CSR1212_KV_ID_DESCRIPTOR 0x01 | |
51 | #define CSR1212_KV_ID_BUS_DEPENDENT_INFO 0x02 | |
52 | #define CSR1212_KV_ID_VENDOR 0x03 | |
53 | #define CSR1212_KV_ID_HARDWARE_VERSION 0x04 | |
54 | #define CSR1212_KV_ID_MODULE 0x07 | |
55 | #define CSR1212_KV_ID_NODE_CAPABILITIES 0x0C | |
56 | #define CSR1212_KV_ID_EUI_64 0x0D | |
57 | #define CSR1212_KV_ID_UNIT 0x11 | |
58 | #define CSR1212_KV_ID_SPECIFIER_ID 0x12 | |
59 | #define CSR1212_KV_ID_VERSION 0x13 | |
60 | #define CSR1212_KV_ID_DEPENDENT_INFO 0x14 | |
61 | #define CSR1212_KV_ID_UNIT_LOCATION 0x15 | |
62 | #define CSR1212_KV_ID_MODEL 0x17 | |
63 | #define CSR1212_KV_ID_INSTANCE 0x18 | |
64 | #define CSR1212_KV_ID_KEYWORD 0x19 | |
65 | #define CSR1212_KV_ID_FEATURE 0x1A | |
66 | #define CSR1212_KV_ID_EXTENDED_ROM 0x1B | |
67 | #define CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID 0x1C | |
68 | #define CSR1212_KV_ID_EXTENDED_KEY 0x1D | |
69 | #define CSR1212_KV_ID_EXTENDED_DATA 0x1E | |
70 | #define CSR1212_KV_ID_MODIFIABLE_DESCRIPTOR 0x1F | |
71 | #define CSR1212_KV_ID_DIRECTORY_ID 0x20 | |
72 | #define CSR1212_KV_ID_REVISION 0x21 | |
73 | ||
74 | ||
75 | /* IEEE 1212 Address space map */ | |
76 | #define CSR1212_ALL_SPACE_BASE (0x000000000000ULL) | |
77 | #define CSR1212_ALL_SPACE_SIZE (1ULL << 48) | |
78 | #define CSR1212_ALL_SPACE_END (CSR1212_ALL_SPACE_BASE + CSR1212_ALL_SPACE_SIZE) | |
79 | ||
80 | #define CSR1212_MEMORY_SPACE_BASE (0x000000000000ULL) | |
81 | #define CSR1212_MEMORY_SPACE_SIZE ((256ULL * (1ULL << 40)) - (512ULL * (1ULL << 20))) | |
82 | #define CSR1212_MEMORY_SPACE_END (CSR1212_MEMORY_SPACE_BASE + CSR1212_MEMORY_SPACE_SIZE) | |
83 | ||
84 | #define CSR1212_PRIVATE_SPACE_BASE (0xffffe0000000ULL) | |
85 | #define CSR1212_PRIVATE_SPACE_SIZE (256ULL * (1ULL << 20)) | |
86 | #define CSR1212_PRIVATE_SPACE_END (CSR1212_PRIVATE_SPACE_BASE + CSR1212_PRIVATE_SPACE_SIZE) | |
87 | ||
88 | #define CSR1212_REGISTER_SPACE_BASE (0xfffff0000000ULL) | |
89 | #define CSR1212_REGISTER_SPACE_SIZE (256ULL * (1ULL << 20)) | |
90 | #define CSR1212_REGISTER_SPACE_END (CSR1212_REGISTER_SPACE_BASE + CSR1212_REGISTER_SPACE_SIZE) | |
91 | ||
92 | #define CSR1212_CSR_ARCH_REG_SPACE_BASE (0xfffff0000000ULL) | |
93 | #define CSR1212_CSR_ARCH_REG_SPACE_SIZE (512) | |
94 | #define CSR1212_CSR_ARCH_REG_SPACE_END (CSR1212_CSR_ARCH_REG_SPACE_BASE + CSR1212_CSR_ARCH_REG_SPACE_SIZE) | |
95 | #define CSR1212_CSR_ARCH_REG_SPACE_OFFSET (CSR1212_CSR_ARCH_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
96 | ||
97 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_BASE (0xfffff0000200ULL) | |
98 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE (512) | |
99 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_END (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE + CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE) | |
100 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_OFFSET (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
101 | ||
102 | #define CSR1212_CONFIG_ROM_SPACE_BASE (0xfffff0000400ULL) | |
103 | #define CSR1212_CONFIG_ROM_SPACE_SIZE (1024) | |
104 | #define CSR1212_CONFIG_ROM_SPACE_END (CSR1212_CONFIG_ROM_SPACE_BASE + CSR1212_CONFIG_ROM_SPACE_SIZE) | |
105 | #define CSR1212_CONFIG_ROM_SPACE_OFFSET (CSR1212_CONFIG_ROM_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
106 | ||
107 | #define CSR1212_UNITS_SPACE_BASE (0xfffff0000800ULL) | |
108 | #define CSR1212_UNITS_SPACE_SIZE ((256ULL * (1ULL << 20)) - 2048) | |
109 | #define CSR1212_UNITS_SPACE_END (CSR1212_UNITS_SPACE_BASE + CSR1212_UNITS_SPACE_SIZE) | |
110 | #define CSR1212_UNITS_SPACE_OFFSET (CSR1212_UNITS_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
111 | ||
6737231e | 112 | #define CSR1212_INVALID_ADDR_SPACE -1 |
1da177e4 | 113 | |
6c88e475 | 114 | |
1da177e4 LT |
115 | /* Config ROM image structures */ |
116 | struct csr1212_bus_info_block_img { | |
117 | u_int8_t length; | |
118 | u_int8_t crc_length; | |
119 | u_int16_t crc; | |
120 | ||
121 | /* Must be last */ | |
122 | u_int32_t data[0]; /* older gcc can't handle [] which is standard */ | |
123 | }; | |
124 | ||
1da177e4 LT |
125 | typedef u_int32_t csr1212_quad_t; |
126 | ||
1da177e4 LT |
127 | struct csr1212_leaf { |
128 | int len; | |
129 | u_int32_t *data; | |
130 | }; | |
131 | ||
132 | struct csr1212_dentry { | |
133 | struct csr1212_dentry *next, *prev; | |
134 | struct csr1212_keyval *kv; | |
135 | }; | |
136 | ||
137 | struct csr1212_directory { | |
138 | int len; | |
139 | struct csr1212_dentry *dentries_head, *dentries_tail; | |
140 | }; | |
141 | ||
142 | struct csr1212_keyval { | |
143 | struct { | |
144 | u_int8_t type; | |
145 | u_int8_t id; | |
146 | } key; | |
147 | union { | |
148 | u_int32_t immediate; | |
149 | u_int32_t csr_offset; | |
150 | struct csr1212_leaf leaf; | |
151 | struct csr1212_directory directory; | |
152 | } value; | |
153 | struct csr1212_keyval *associate; | |
154 | int refcnt; | |
155 | ||
156 | /* used in generating and/or parsing CSR image */ | |
157 | struct csr1212_keyval *next, *prev; /* flat list of CSR elements */ | |
158 | u_int32_t offset; /* position in CSR from 0xffff f000 0000 */ | |
159 | u_int8_t valid; /* flag indicating keyval has valid data*/ | |
160 | }; | |
161 | ||
162 | ||
163 | struct csr1212_cache_region { | |
164 | struct csr1212_cache_region *next, *prev; | |
165 | u_int32_t offset_start; /* inclusive */ | |
166 | u_int32_t offset_end; /* exclusive */ | |
167 | }; | |
168 | ||
169 | struct csr1212_csr_rom_cache { | |
170 | struct csr1212_csr_rom_cache *next, *prev; | |
171 | struct csr1212_cache_region *filled_head, *filled_tail; | |
172 | struct csr1212_keyval *layout_head, *layout_tail; | |
173 | size_t size; | |
174 | u_int32_t offset; | |
175 | struct csr1212_keyval *ext_rom; | |
176 | size_t len; | |
177 | ||
178 | /* Must be last */ | |
179 | u_int32_t data[0]; /* older gcc can't handle [] which is standard */ | |
180 | }; | |
181 | ||
182 | struct csr1212_csr { | |
183 | size_t bus_info_len; /* bus info block length in bytes */ | |
184 | size_t crc_len; /* crc length in bytes */ | |
185 | u_int32_t *bus_info_data; /* bus info data incl bus name and EUI */ | |
186 | ||
187 | void *private; /* private, bus specific data */ | |
188 | struct csr1212_bus_ops *ops; | |
189 | ||
190 | struct csr1212_keyval *root_kv; | |
191 | ||
192 | int max_rom; /* max bytes readable in Config ROM region */ | |
193 | ||
194 | /* Items below used for image parsing and generation */ | |
195 | struct csr1212_csr_rom_cache *cache_head, *cache_tail; | |
196 | }; | |
197 | ||
198 | struct csr1212_bus_ops { | |
199 | /* This function is used by csr1212 to read additional information | |
200 | * from remote nodes when parsing a Config ROM (i.e., read Config ROM | |
201 | * entries located in the Units Space. Must return 0 on success | |
202 | * anything else indicates an error. */ | |
203 | int (*bus_read) (struct csr1212_csr *csr, u_int64_t addr, | |
204 | u_int16_t length, void *buffer, void *private); | |
205 | ||
206 | /* This function is used by csr1212 to allocate a region in units space | |
207 | * in the event that Config ROM entries don't all fit in the predefined | |
208 | * 1K region. The void *private parameter is private member of struct | |
209 | * csr1212_csr. */ | |
210 | u_int64_t (*allocate_addr_range) (u_int64_t size, u_int32_t alignment, | |
211 | void *private); | |
212 | ||
213 | ||
214 | /* This function is used by csr1212 to release a region in units space | |
215 | * that is no longer needed. */ | |
216 | void (*release_addr) (u_int64_t addr, void *private); | |
217 | ||
218 | /* This function is used by csr1212 to determine the max read request | |
219 | * supported by a remote node when reading the ConfigROM space. Must | |
220 | * return 0, 1, or 2 per IEEE 1212. */ | |
221 | int (*get_max_rom) (u_int32_t *bus_info, void *private); | |
222 | }; | |
223 | ||
224 | ||
1da177e4 LT |
225 | /* Descriptor Leaf manipulation macros */ |
226 | #define CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT 24 | |
227 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK 0xffffff | |
228 | #define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) | |
229 | ||
230 | #define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \ | |
7fb9addb | 231 | (be32_to_cpu((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) |
1da177e4 | 232 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \ |
7fb9addb | 233 | (be32_to_cpu((kv)->value.leaf.data[0]) & \ |
1da177e4 | 234 | CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK) |
6c88e475 | 235 | |
1da177e4 LT |
236 | |
237 | /* Text Descriptor Leaf manipulation macros */ | |
238 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT 28 | |
239 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK 0xf /* after shift */ | |
240 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT 16 | |
241 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK 0xfff /* after shift */ | |
242 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff | |
243 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) | |
244 | ||
245 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \ | |
7fb9addb | 246 | (be32_to_cpu((kv)->value.leaf.data[1]) >> \ |
1da177e4 LT |
247 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT) |
248 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \ | |
7fb9addb SR |
249 | ((be32_to_cpu((kv)->value.leaf.data[1]) >> \ |
250 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \ | |
251 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) | |
1da177e4 | 252 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \ |
7fb9addb | 253 | (be32_to_cpu((kv)->value.leaf.data[1]) & \ |
1da177e4 LT |
254 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK) |
255 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \ | |
256 | (&((kv)->value.leaf.data[2])) | |
257 | ||
1da177e4 LT |
258 | |
259 | /* The following 2 function are for creating new Configuration ROM trees. The | |
260 | * first function is used for both creating local trees and parsing remote | |
261 | * trees. The second function adds pertinent information to local Configuration | |
262 | * ROM trees - namely data for the bus information block. */ | |
263 | extern struct csr1212_csr *csr1212_create_csr(struct csr1212_bus_ops *ops, | |
264 | size_t bus_info_size, | |
265 | void *private); | |
266 | extern void csr1212_init_local_csr(struct csr1212_csr *csr, | |
267 | const u_int32_t *bus_info_data, int max_rom); | |
268 | ||
269 | ||
6c88e475 | 270 | /* Destroy a Configuration ROM tree and release all memory taken by the tree. */ |
1da177e4 LT |
271 | extern void csr1212_destroy_csr(struct csr1212_csr *csr); |
272 | ||
273 | ||
274 | /* The following set of functions are fore creating new keyvals for placement in | |
275 | * a Configuration ROM tree. Code that creates new keyvals with these functions | |
276 | * must release those keyvals with csr1212_release_keyval() when they are no | |
277 | * longer needed. */ | |
278 | extern struct csr1212_keyval *csr1212_new_immediate(u_int8_t key, u_int32_t value); | |
1da177e4 | 279 | extern struct csr1212_keyval *csr1212_new_directory(u_int8_t key); |
1da177e4 | 280 | extern struct csr1212_keyval *csr1212_new_string_descriptor_leaf(const char *s); |
6c88e475 SR |
281 | |
282 | ||
283 | /* The following function manages association between keyvals. Typically, | |
1da177e4 LT |
284 | * Descriptor Leaves and Directories will be associated with another keyval and |
285 | * it is desirable for the Descriptor keyval to be place immediately after the | |
6c88e475 SR |
286 | * keyval that it is associated with. |
287 | * Take care with subsequent ROM modifications: There is no function to remove | |
288 | * previously specified associations. | |
289 | */ | |
1da177e4 LT |
290 | extern int csr1212_associate_keyval(struct csr1212_keyval *kv, |
291 | struct csr1212_keyval *associate); | |
1da177e4 LT |
292 | |
293 | ||
294 | /* The following functions manage the association of a keyval and directories. | |
295 | * A keyval may be attached to more than one directory. */ | |
296 | extern int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, | |
297 | struct csr1212_keyval *kv); | |
298 | extern void csr1212_detach_keyval_from_directory(struct csr1212_keyval *dir, | |
299 | struct csr1212_keyval *kv); | |
300 | ||
301 | ||
6c88e475 SR |
302 | /* Creates a complete Configuration ROM image in the list of caches available |
303 | * via csr->cache_head. */ | |
1da177e4 LT |
304 | extern int csr1212_generate_csr_image(struct csr1212_csr *csr); |
305 | ||
306 | ||
307 | /* This is a convience function for reading a block of data out of one of the | |
308 | * caches in the csr->cache_head list. */ | |
309 | extern int csr1212_read(struct csr1212_csr *csr, u_int32_t offset, void *buffer, | |
310 | u_int32_t len); | |
311 | ||
312 | ||
313 | /* The following functions are in place for parsing Configuration ROM images. | |
314 | * csr1212_parse_keyval() is used should there be a need to directly parse a | |
315 | * Configuration ROM directly. */ | |
316 | extern int csr1212_parse_keyval(struct csr1212_keyval *kv, | |
317 | struct csr1212_csr_rom_cache *cache); | |
318 | extern int csr1212_parse_csr(struct csr1212_csr *csr); | |
319 | ||
320 | /* These are internal functions referenced by inline functions below. */ | |
321 | extern int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv); | |
322 | extern void _csr1212_destroy_keyval(struct csr1212_keyval *kv); | |
323 | ||
324 | ||
325 | /* This function allocates a new cache which may be used for either parsing or | |
326 | * generating sub-sets of Configuration ROM images. */ | |
327 | static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t offset, | |
328 | size_t size) | |
329 | { | |
330 | struct csr1212_csr_rom_cache *cache; | |
331 | ||
8551158a | 332 | cache = CSR1212_MALLOC(sizeof(*cache) + size); |
1da177e4 LT |
333 | if (!cache) |
334 | return NULL; | |
335 | ||
336 | cache->next = NULL; | |
337 | cache->prev = NULL; | |
338 | cache->filled_head = NULL; | |
339 | cache->filled_tail = NULL; | |
340 | cache->layout_head = NULL; | |
341 | cache->layout_tail = NULL; | |
342 | cache->offset = offset; | |
343 | cache->size = size; | |
344 | cache->ext_rom = NULL; | |
345 | ||
346 | return cache; | |
347 | } | |
348 | ||
349 | ||
350 | /* This function ensures that a keyval contains data when referencing a keyval | |
351 | * created by parsing a Configuration ROM. */ | |
352 | static inline struct csr1212_keyval *csr1212_get_keyval(struct csr1212_csr *csr, | |
353 | struct csr1212_keyval *kv) | |
354 | { | |
355 | if (!kv) | |
356 | return NULL; | |
357 | if (!kv->valid) | |
358 | if (_csr1212_read_keyval(csr, kv) != CSR1212_SUCCESS) | |
359 | return NULL; | |
360 | return kv; | |
361 | } | |
362 | ||
363 | ||
364 | /* This function increments the reference count for a keyval should there be a | |
365 | * need for code to retain a keyval that has been parsed. */ | |
366 | static inline void csr1212_keep_keyval(struct csr1212_keyval *kv) | |
367 | { | |
368 | kv->refcnt++; | |
369 | } | |
370 | ||
371 | ||
372 | /* This function decrements a keyval's reference count and will destroy the | |
373 | * keyval when there are no more users of the keyval. This should be called by | |
374 | * any code that calls csr1212_keep_keyval() or any of the keyval creation | |
375 | * routines csr1212_new_*(). */ | |
376 | static inline void csr1212_release_keyval(struct csr1212_keyval *kv) | |
377 | { | |
378 | if (kv->refcnt > 1) | |
379 | kv->refcnt--; | |
380 | else | |
381 | _csr1212_destroy_keyval(kv); | |
382 | } | |
383 | ||
384 | ||
385 | /* | |
386 | * This macro allows for looping over the keyval entries in a directory and it | |
387 | * ensures that keyvals from remote ConfigROMs are parsed properly. | |
388 | * | |
389 | * _csr is a struct csr1212_csr * that points to CSR associated with dir. | |
390 | * _kv is a struct csr1212_keyval * that'll point to the current keyval (loop index). | |
391 | * _dir is a struct csr1212_keyval * that points to the directory to be looped. | |
392 | * _pos is a struct csr1212_dentry * that is used internally for indexing. | |
393 | * | |
394 | * kv will be NULL upon exit of the loop. | |
395 | */ | |
396 | #define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \ | |
397 | for (csr1212_get_keyval((_csr), (_dir)), \ | |
398 | _pos = (_dir)->value.directory.dentries_head, \ | |
399 | _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL; \ | |
400 | (_kv) && (_pos); \ | |
401 | (_kv->associate == NULL) ? \ | |
402 | ((_pos = _pos->next), \ | |
403 | (_kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : \ | |
404 | NULL)) : \ | |
405 | (_kv = csr1212_get_keyval((_csr), _kv->associate))) | |
406 | ||
407 | ||
408 | ||
409 | #endif /* __CSR1212_H__ */ |