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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> |
fd2f3bdd | 34 | #include <linux/slab.h> |
17a19b79 | 35 | #include <asm/atomic.h> |
1da177e4 | 36 | |
fd2f3bdd SR |
37 | #define CSR1212_MALLOC(size) kmalloc((size), GFP_KERNEL) |
38 | #define CSR1212_FREE(ptr) kfree(ptr) | |
1da177e4 | 39 | |
7fb9addb | 40 | #define CSR1212_SUCCESS (0) |
1da177e4 LT |
41 | |
42 | ||
1da177e4 LT |
43 | /* CSR 1212 key types */ |
44 | #define CSR1212_KV_TYPE_IMMEDIATE 0 | |
45 | #define CSR1212_KV_TYPE_CSR_OFFSET 1 | |
46 | #define CSR1212_KV_TYPE_LEAF 2 | |
47 | #define CSR1212_KV_TYPE_DIRECTORY 3 | |
48 | ||
49 | ||
50 | /* CSR 1212 key ids */ | |
51 | #define CSR1212_KV_ID_DESCRIPTOR 0x01 | |
52 | #define CSR1212_KV_ID_BUS_DEPENDENT_INFO 0x02 | |
53 | #define CSR1212_KV_ID_VENDOR 0x03 | |
54 | #define CSR1212_KV_ID_HARDWARE_VERSION 0x04 | |
55 | #define CSR1212_KV_ID_MODULE 0x07 | |
56 | #define CSR1212_KV_ID_NODE_CAPABILITIES 0x0C | |
57 | #define CSR1212_KV_ID_EUI_64 0x0D | |
58 | #define CSR1212_KV_ID_UNIT 0x11 | |
59 | #define CSR1212_KV_ID_SPECIFIER_ID 0x12 | |
60 | #define CSR1212_KV_ID_VERSION 0x13 | |
61 | #define CSR1212_KV_ID_DEPENDENT_INFO 0x14 | |
62 | #define CSR1212_KV_ID_UNIT_LOCATION 0x15 | |
63 | #define CSR1212_KV_ID_MODEL 0x17 | |
64 | #define CSR1212_KV_ID_INSTANCE 0x18 | |
65 | #define CSR1212_KV_ID_KEYWORD 0x19 | |
66 | #define CSR1212_KV_ID_FEATURE 0x1A | |
67 | #define CSR1212_KV_ID_EXTENDED_ROM 0x1B | |
68 | #define CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID 0x1C | |
69 | #define CSR1212_KV_ID_EXTENDED_KEY 0x1D | |
70 | #define CSR1212_KV_ID_EXTENDED_DATA 0x1E | |
71 | #define CSR1212_KV_ID_MODIFIABLE_DESCRIPTOR 0x1F | |
72 | #define CSR1212_KV_ID_DIRECTORY_ID 0x20 | |
73 | #define CSR1212_KV_ID_REVISION 0x21 | |
74 | ||
75 | ||
76 | /* IEEE 1212 Address space map */ | |
77 | #define CSR1212_ALL_SPACE_BASE (0x000000000000ULL) | |
78 | #define CSR1212_ALL_SPACE_SIZE (1ULL << 48) | |
79 | #define CSR1212_ALL_SPACE_END (CSR1212_ALL_SPACE_BASE + CSR1212_ALL_SPACE_SIZE) | |
80 | ||
81 | #define CSR1212_MEMORY_SPACE_BASE (0x000000000000ULL) | |
82 | #define CSR1212_MEMORY_SPACE_SIZE ((256ULL * (1ULL << 40)) - (512ULL * (1ULL << 20))) | |
83 | #define CSR1212_MEMORY_SPACE_END (CSR1212_MEMORY_SPACE_BASE + CSR1212_MEMORY_SPACE_SIZE) | |
84 | ||
85 | #define CSR1212_PRIVATE_SPACE_BASE (0xffffe0000000ULL) | |
86 | #define CSR1212_PRIVATE_SPACE_SIZE (256ULL * (1ULL << 20)) | |
87 | #define CSR1212_PRIVATE_SPACE_END (CSR1212_PRIVATE_SPACE_BASE + CSR1212_PRIVATE_SPACE_SIZE) | |
88 | ||
89 | #define CSR1212_REGISTER_SPACE_BASE (0xfffff0000000ULL) | |
90 | #define CSR1212_REGISTER_SPACE_SIZE (256ULL * (1ULL << 20)) | |
91 | #define CSR1212_REGISTER_SPACE_END (CSR1212_REGISTER_SPACE_BASE + CSR1212_REGISTER_SPACE_SIZE) | |
92 | ||
93 | #define CSR1212_CSR_ARCH_REG_SPACE_BASE (0xfffff0000000ULL) | |
94 | #define CSR1212_CSR_ARCH_REG_SPACE_SIZE (512) | |
95 | #define CSR1212_CSR_ARCH_REG_SPACE_END (CSR1212_CSR_ARCH_REG_SPACE_BASE + CSR1212_CSR_ARCH_REG_SPACE_SIZE) | |
96 | #define CSR1212_CSR_ARCH_REG_SPACE_OFFSET (CSR1212_CSR_ARCH_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
97 | ||
98 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_BASE (0xfffff0000200ULL) | |
99 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE (512) | |
100 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_END (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE + CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE) | |
101 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_OFFSET (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
102 | ||
103 | #define CSR1212_CONFIG_ROM_SPACE_BASE (0xfffff0000400ULL) | |
104 | #define CSR1212_CONFIG_ROM_SPACE_SIZE (1024) | |
105 | #define CSR1212_CONFIG_ROM_SPACE_END (CSR1212_CONFIG_ROM_SPACE_BASE + CSR1212_CONFIG_ROM_SPACE_SIZE) | |
106 | #define CSR1212_CONFIG_ROM_SPACE_OFFSET (CSR1212_CONFIG_ROM_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
107 | ||
108 | #define CSR1212_UNITS_SPACE_BASE (0xfffff0000800ULL) | |
109 | #define CSR1212_UNITS_SPACE_SIZE ((256ULL * (1ULL << 20)) - 2048) | |
110 | #define CSR1212_UNITS_SPACE_END (CSR1212_UNITS_SPACE_BASE + CSR1212_UNITS_SPACE_SIZE) | |
111 | #define CSR1212_UNITS_SPACE_OFFSET (CSR1212_UNITS_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
112 | ||
6737231e | 113 | #define CSR1212_INVALID_ADDR_SPACE -1 |
1da177e4 | 114 | |
6c88e475 | 115 | |
1da177e4 LT |
116 | /* Config ROM image structures */ |
117 | struct csr1212_bus_info_block_img { | |
982610bd SR |
118 | u8 length; |
119 | u8 crc_length; | |
120 | u16 crc; | |
1da177e4 LT |
121 | |
122 | /* Must be last */ | |
982610bd | 123 | u32 data[0]; /* older gcc can't handle [] which is standard */ |
1da177e4 LT |
124 | }; |
125 | ||
1da177e4 LT |
126 | struct csr1212_leaf { |
127 | int len; | |
982610bd | 128 | u32 *data; |
1da177e4 LT |
129 | }; |
130 | ||
131 | struct csr1212_dentry { | |
132 | struct csr1212_dentry *next, *prev; | |
133 | struct csr1212_keyval *kv; | |
134 | }; | |
135 | ||
136 | struct csr1212_directory { | |
137 | int len; | |
138 | struct csr1212_dentry *dentries_head, *dentries_tail; | |
139 | }; | |
140 | ||
141 | struct csr1212_keyval { | |
142 | struct { | |
982610bd SR |
143 | u8 type; |
144 | u8 id; | |
1da177e4 LT |
145 | } key; |
146 | union { | |
982610bd SR |
147 | u32 immediate; |
148 | u32 csr_offset; | |
1da177e4 LT |
149 | struct csr1212_leaf leaf; |
150 | struct csr1212_directory directory; | |
151 | } value; | |
152 | struct csr1212_keyval *associate; | |
17a19b79 | 153 | atomic_t refcnt; |
1da177e4 LT |
154 | |
155 | /* used in generating and/or parsing CSR image */ | |
156 | struct csr1212_keyval *next, *prev; /* flat list of CSR elements */ | |
982610bd SR |
157 | u32 offset; /* position in CSR from 0xffff f000 0000 */ |
158 | u8 valid; /* flag indicating keyval has valid data*/ | |
1da177e4 LT |
159 | }; |
160 | ||
161 | ||
162 | struct csr1212_cache_region { | |
163 | struct csr1212_cache_region *next, *prev; | |
982610bd SR |
164 | u32 offset_start; /* inclusive */ |
165 | u32 offset_end; /* exclusive */ | |
1da177e4 LT |
166 | }; |
167 | ||
168 | struct csr1212_csr_rom_cache { | |
169 | struct csr1212_csr_rom_cache *next, *prev; | |
170 | struct csr1212_cache_region *filled_head, *filled_tail; | |
171 | struct csr1212_keyval *layout_head, *layout_tail; | |
172 | size_t size; | |
982610bd | 173 | u32 offset; |
1da177e4 LT |
174 | struct csr1212_keyval *ext_rom; |
175 | size_t len; | |
176 | ||
177 | /* Must be last */ | |
982610bd | 178 | u32 data[0]; /* older gcc can't handle [] which is standard */ |
1da177e4 LT |
179 | }; |
180 | ||
181 | struct csr1212_csr { | |
182 | size_t bus_info_len; /* bus info block length in bytes */ | |
183 | size_t crc_len; /* crc length in bytes */ | |
debb4806 | 184 | __be32 *bus_info_data; /* bus info data incl bus name and EUI */ |
1da177e4 LT |
185 | |
186 | void *private; /* private, bus specific data */ | |
187 | struct csr1212_bus_ops *ops; | |
188 | ||
189 | struct csr1212_keyval *root_kv; | |
190 | ||
191 | int max_rom; /* max bytes readable in Config ROM region */ | |
192 | ||
193 | /* Items below used for image parsing and generation */ | |
194 | struct csr1212_csr_rom_cache *cache_head, *cache_tail; | |
195 | }; | |
196 | ||
197 | struct csr1212_bus_ops { | |
198 | /* This function is used by csr1212 to read additional information | |
199 | * from remote nodes when parsing a Config ROM (i.e., read Config ROM | |
200 | * entries located in the Units Space. Must return 0 on success | |
201 | * anything else indicates an error. */ | |
982610bd | 202 | int (*bus_read) (struct csr1212_csr *csr, u64 addr, |
0bed1819 | 203 | void *buffer, void *private); |
1da177e4 LT |
204 | |
205 | /* This function is used by csr1212 to allocate a region in units space | |
206 | * in the event that Config ROM entries don't all fit in the predefined | |
207 | * 1K region. The void *private parameter is private member of struct | |
208 | * csr1212_csr. */ | |
982610bd | 209 | u64 (*allocate_addr_range) (u64 size, u32 alignment, void *private); |
1da177e4 LT |
210 | |
211 | /* This function is used by csr1212 to release a region in units space | |
212 | * that is no longer needed. */ | |
982610bd | 213 | void (*release_addr) (u64 addr, void *private); |
1da177e4 LT |
214 | }; |
215 | ||
216 | ||
1da177e4 LT |
217 | /* Descriptor Leaf manipulation macros */ |
218 | #define CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT 24 | |
219 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK 0xffffff | |
982610bd | 220 | #define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u32)) |
1da177e4 LT |
221 | |
222 | #define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \ | |
c868ae2a SR |
223 | (be32_to_cpu((kv)->value.leaf.data[0]) >> \ |
224 | CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | |
1da177e4 | 225 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \ |
7fb9addb | 226 | (be32_to_cpu((kv)->value.leaf.data[0]) & \ |
1da177e4 | 227 | CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK) |
6c88e475 | 228 | |
1da177e4 LT |
229 | |
230 | /* Text Descriptor Leaf manipulation macros */ | |
231 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT 28 | |
232 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK 0xf /* after shift */ | |
233 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT 16 | |
234 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK 0xfff /* after shift */ | |
235 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff | |
982610bd | 236 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u32)) |
1da177e4 LT |
237 | |
238 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \ | |
7fb9addb | 239 | (be32_to_cpu((kv)->value.leaf.data[1]) >> \ |
1da177e4 LT |
240 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT) |
241 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \ | |
7fb9addb SR |
242 | ((be32_to_cpu((kv)->value.leaf.data[1]) >> \ |
243 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \ | |
244 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) | |
1da177e4 | 245 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \ |
7fb9addb | 246 | (be32_to_cpu((kv)->value.leaf.data[1]) & \ |
1da177e4 LT |
247 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK) |
248 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \ | |
249 | (&((kv)->value.leaf.data[2])) | |
250 | ||
1da177e4 LT |
251 | |
252 | /* The following 2 function are for creating new Configuration ROM trees. The | |
253 | * first function is used for both creating local trees and parsing remote | |
254 | * trees. The second function adds pertinent information to local Configuration | |
255 | * ROM trees - namely data for the bus information block. */ | |
256 | extern struct csr1212_csr *csr1212_create_csr(struct csr1212_bus_ops *ops, | |
257 | size_t bus_info_size, | |
258 | void *private); | |
259 | extern void csr1212_init_local_csr(struct csr1212_csr *csr, | |
982610bd | 260 | const u32 *bus_info_data, int max_rom); |
1da177e4 LT |
261 | |
262 | ||
6c88e475 | 263 | /* Destroy a Configuration ROM tree and release all memory taken by the tree. */ |
1da177e4 LT |
264 | extern void csr1212_destroy_csr(struct csr1212_csr *csr); |
265 | ||
266 | ||
267 | /* The following set of functions are fore creating new keyvals for placement in | |
268 | * a Configuration ROM tree. Code that creates new keyvals with these functions | |
269 | * must release those keyvals with csr1212_release_keyval() when they are no | |
270 | * longer needed. */ | |
982610bd SR |
271 | extern struct csr1212_keyval *csr1212_new_immediate(u8 key, u32 value); |
272 | extern struct csr1212_keyval *csr1212_new_directory(u8 key); | |
1da177e4 | 273 | extern struct csr1212_keyval *csr1212_new_string_descriptor_leaf(const char *s); |
6c88e475 SR |
274 | |
275 | ||
276 | /* The following function manages association between keyvals. Typically, | |
1da177e4 LT |
277 | * Descriptor Leaves and Directories will be associated with another keyval and |
278 | * it is desirable for the Descriptor keyval to be place immediately after the | |
6c88e475 SR |
279 | * keyval that it is associated with. |
280 | * Take care with subsequent ROM modifications: There is no function to remove | |
281 | * previously specified associations. | |
282 | */ | |
64ff7123 SR |
283 | extern void csr1212_associate_keyval(struct csr1212_keyval *kv, |
284 | struct csr1212_keyval *associate); | |
1da177e4 LT |
285 | |
286 | ||
287 | /* The following functions manage the association of a keyval and directories. | |
288 | * A keyval may be attached to more than one directory. */ | |
289 | extern int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, | |
290 | struct csr1212_keyval *kv); | |
291 | extern void csr1212_detach_keyval_from_directory(struct csr1212_keyval *dir, | |
292 | struct csr1212_keyval *kv); | |
293 | ||
294 | ||
6c88e475 SR |
295 | /* Creates a complete Configuration ROM image in the list of caches available |
296 | * via csr->cache_head. */ | |
1da177e4 LT |
297 | extern int csr1212_generate_csr_image(struct csr1212_csr *csr); |
298 | ||
299 | ||
300 | /* This is a convience function for reading a block of data out of one of the | |
301 | * caches in the csr->cache_head list. */ | |
982610bd SR |
302 | extern int csr1212_read(struct csr1212_csr *csr, u32 offset, void *buffer, |
303 | u32 len); | |
1da177e4 LT |
304 | |
305 | ||
306 | /* The following functions are in place for parsing Configuration ROM images. | |
307 | * csr1212_parse_keyval() is used should there be a need to directly parse a | |
308 | * Configuration ROM directly. */ | |
309 | extern int csr1212_parse_keyval(struct csr1212_keyval *kv, | |
310 | struct csr1212_csr_rom_cache *cache); | |
311 | extern int csr1212_parse_csr(struct csr1212_csr *csr); | |
312 | ||
1da177e4 LT |
313 | |
314 | /* This function allocates a new cache which may be used for either parsing or | |
315 | * generating sub-sets of Configuration ROM images. */ | |
c1a37f2c SR |
316 | static inline struct csr1212_csr_rom_cache * |
317 | csr1212_rom_cache_malloc(u32 offset, size_t size) | |
1da177e4 LT |
318 | { |
319 | struct csr1212_csr_rom_cache *cache; | |
320 | ||
8551158a | 321 | cache = CSR1212_MALLOC(sizeof(*cache) + size); |
1da177e4 LT |
322 | if (!cache) |
323 | return NULL; | |
324 | ||
325 | cache->next = NULL; | |
326 | cache->prev = NULL; | |
327 | cache->filled_head = NULL; | |
328 | cache->filled_tail = NULL; | |
329 | cache->layout_head = NULL; | |
330 | cache->layout_tail = NULL; | |
331 | cache->offset = offset; | |
332 | cache->size = size; | |
333 | cache->ext_rom = NULL; | |
334 | ||
335 | return cache; | |
336 | } | |
337 | ||
338 | ||
339 | /* This function ensures that a keyval contains data when referencing a keyval | |
340 | * created by parsing a Configuration ROM. */ | |
c1a37f2c SR |
341 | extern struct csr1212_keyval * |
342 | csr1212_get_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv); | |
1da177e4 LT |
343 | |
344 | ||
345 | /* This function increments the reference count for a keyval should there be a | |
346 | * need for code to retain a keyval that has been parsed. */ | |
347 | static inline void csr1212_keep_keyval(struct csr1212_keyval *kv) | |
348 | { | |
17a19b79 SR |
349 | atomic_inc(&kv->refcnt); |
350 | smp_mb__after_atomic_inc(); | |
1da177e4 LT |
351 | } |
352 | ||
353 | ||
354 | /* This function decrements a keyval's reference count and will destroy the | |
355 | * keyval when there are no more users of the keyval. This should be called by | |
356 | * any code that calls csr1212_keep_keyval() or any of the keyval creation | |
357 | * routines csr1212_new_*(). */ | |
c1a37f2c | 358 | extern void csr1212_release_keyval(struct csr1212_keyval *kv); |
1da177e4 LT |
359 | |
360 | ||
361 | /* | |
362 | * This macro allows for looping over the keyval entries in a directory and it | |
363 | * ensures that keyvals from remote ConfigROMs are parsed properly. | |
364 | * | |
c868ae2a SR |
365 | * struct csr1212_csr *_csr points to the CSR associated with dir. |
366 | * struct csr1212_keyval *_kv points to the current keyval (loop index). | |
367 | * struct csr1212_keyval *_dir points to the directory to be looped. | |
368 | * struct csr1212_dentry *_pos is used internally for indexing. | |
1da177e4 LT |
369 | * |
370 | * kv will be NULL upon exit of the loop. | |
371 | */ | |
c868ae2a SR |
372 | #define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \ |
373 | for (csr1212_get_keyval((_csr), (_dir)), \ | |
374 | _pos = (_dir)->value.directory.dentries_head, \ | |
375 | _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL;\ | |
376 | (_kv) && (_pos); \ | |
377 | (_kv->associate == NULL) ? \ | |
378 | ((_pos = _pos->next), (_kv = (_pos) ? \ | |
379 | csr1212_get_keyval((_csr), _pos->kv) : \ | |
380 | NULL)) : \ | |
1da177e4 LT |
381 | (_kv = csr1212_get_keyval((_csr), _kv->associate))) |
382 | ||
1da177e4 | 383 | #endif /* __CSR1212_H__ */ |