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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 | ||
33 | ||
34 | /* Compatibility layer */ | |
35 | #ifdef __KERNEL__ | |
36 | ||
37 | #include <linux/types.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/interrupt.h> | |
40 | #include <linux/sched.h> | |
41 | #include <linux/vmalloc.h> | |
42 | #include <asm/pgalloc.h> | |
43 | ||
44 | #define CSR1212_MALLOC(size) vmalloc((size)) | |
45 | #define CSR1212_FREE(ptr) vfree(ptr) | |
46 | #define CSR1212_BE16_TO_CPU(quad) be16_to_cpu(quad) | |
47 | #define CSR1212_CPU_TO_BE16(quad) cpu_to_be16(quad) | |
48 | #define CSR1212_BE32_TO_CPU(quad) be32_to_cpu(quad) | |
49 | #define CSR1212_CPU_TO_BE32(quad) cpu_to_be32(quad) | |
50 | #define CSR1212_BE64_TO_CPU(quad) be64_to_cpu(quad) | |
51 | #define CSR1212_CPU_TO_BE64(quad) cpu_to_be64(quad) | |
52 | ||
53 | #define CSR1212_LE16_TO_CPU(quad) le16_to_cpu(quad) | |
54 | #define CSR1212_CPU_TO_LE16(quad) cpu_to_le16(quad) | |
55 | #define CSR1212_LE32_TO_CPU(quad) le32_to_cpu(quad) | |
56 | #define CSR1212_CPU_TO_LE32(quad) cpu_to_le32(quad) | |
57 | #define CSR1212_LE64_TO_CPU(quad) le64_to_cpu(quad) | |
58 | #define CSR1212_CPU_TO_LE64(quad) cpu_to_le64(quad) | |
59 | ||
60 | #include <linux/errno.h> | |
61 | #define CSR1212_SUCCESS (0) | |
62 | #define CSR1212_EINVAL (-EINVAL) | |
63 | #define CSR1212_ENOMEM (-ENOMEM) | |
64 | #define CSR1212_ENOENT (-ENOENT) | |
65 | #define CSR1212_EIO (-EIO) | |
66 | #define CSR1212_EBUSY (-EBUSY) | |
67 | ||
68 | #else /* Userspace */ | |
69 | ||
70 | #include <sys/types.h> | |
71 | #include <malloc.h> | |
72 | #define CSR1212_MALLOC(size) malloc(size) | |
73 | #define CSR1212_FREE(ptr) free(ptr) | |
74 | #include <endian.h> | |
75 | #if __BYTE_ORDER == __LITTLE_ENDIAN | |
76 | #include <byteswap.h> | |
77 | #define CSR1212_BE16_TO_CPU(quad) bswap_16(quad) | |
78 | #define CSR1212_CPU_TO_BE16(quad) bswap_16(quad) | |
79 | #define CSR1212_BE32_TO_CPU(quad) bswap_32(quad) | |
80 | #define CSR1212_CPU_TO_BE32(quad) bswap_32(quad) | |
81 | #define CSR1212_BE64_TO_CPU(quad) bswap_64(quad) | |
82 | #define CSR1212_CPU_TO_BE64(quad) bswap_64(quad) | |
83 | ||
84 | #define CSR1212_LE16_TO_CPU(quad) (quad) | |
85 | #define CSR1212_CPU_TO_LE16(quad) (quad) | |
86 | #define CSR1212_LE32_TO_CPU(quad) (quad) | |
87 | #define CSR1212_CPU_TO_LE32(quad) (quad) | |
88 | #define CSR1212_LE64_TO_CPU(quad) (quad) | |
89 | #define CSR1212_CPU_TO_LE64(quad) (quad) | |
90 | #else | |
91 | #define CSR1212_BE16_TO_CPU(quad) (quad) | |
92 | #define CSR1212_CPU_TO_BE16(quad) (quad) | |
93 | #define CSR1212_BE32_TO_CPU(quad) (quad) | |
94 | #define CSR1212_CPU_TO_BE32(quad) (quad) | |
95 | #define CSR1212_BE64_TO_CPU(quad) (quad) | |
96 | #define CSR1212_CPU_TO_BE64(quad) (quad) | |
97 | ||
98 | #define CSR1212_LE16_TO_CPU(quad) bswap_16(quad) | |
99 | #define CSR1212_CPU_TO_LE16(quad) bswap_16(quad) | |
100 | #define CSR1212_LE32_TO_CPU(quad) bswap_32(quad) | |
101 | #define CSR1212_CPU_TO_LE32(quad) bswap_32(quad) | |
102 | #define CSR1212_LE64_TO_CPU(quad) bswap_64(quad) | |
103 | #define CSR1212_CPU_TO_LE64(quad) bswap_64(quad) | |
104 | #endif | |
105 | ||
106 | #include <errno.h> | |
107 | #define CSR1212_SUCCESS (0) | |
108 | #define CSR1212_EINVAL (EINVAL) | |
109 | #define CSR1212_ENOMEM (ENOMEM) | |
110 | #define CSR1212_ENOENT (ENOENT) | |
111 | #define CSR1212_EIO (EIO) | |
112 | #define CSR1212_EBUSY (EBUSY) | |
113 | ||
114 | #endif | |
115 | ||
116 | ||
117 | #define CSR1212_KV_VAL_MASK 0xffffff | |
118 | #define CSR1212_KV_KEY_SHIFT 24 | |
119 | #define CSR1212_KV_KEY_TYPE_SHIFT 6 | |
120 | #define CSR1212_KV_KEY_ID_MASK 0x3f | |
121 | #define CSR1212_KV_KEY_TYPE_MASK 0x3 /* After shift */ | |
122 | ||
123 | ||
124 | /* CSR 1212 key types */ | |
125 | #define CSR1212_KV_TYPE_IMMEDIATE 0 | |
126 | #define CSR1212_KV_TYPE_CSR_OFFSET 1 | |
127 | #define CSR1212_KV_TYPE_LEAF 2 | |
128 | #define CSR1212_KV_TYPE_DIRECTORY 3 | |
129 | ||
130 | ||
131 | /* CSR 1212 key ids */ | |
132 | #define CSR1212_KV_ID_DESCRIPTOR 0x01 | |
133 | #define CSR1212_KV_ID_BUS_DEPENDENT_INFO 0x02 | |
134 | #define CSR1212_KV_ID_VENDOR 0x03 | |
135 | #define CSR1212_KV_ID_HARDWARE_VERSION 0x04 | |
136 | #define CSR1212_KV_ID_MODULE 0x07 | |
137 | #define CSR1212_KV_ID_NODE_CAPABILITIES 0x0C | |
138 | #define CSR1212_KV_ID_EUI_64 0x0D | |
139 | #define CSR1212_KV_ID_UNIT 0x11 | |
140 | #define CSR1212_KV_ID_SPECIFIER_ID 0x12 | |
141 | #define CSR1212_KV_ID_VERSION 0x13 | |
142 | #define CSR1212_KV_ID_DEPENDENT_INFO 0x14 | |
143 | #define CSR1212_KV_ID_UNIT_LOCATION 0x15 | |
144 | #define CSR1212_KV_ID_MODEL 0x17 | |
145 | #define CSR1212_KV_ID_INSTANCE 0x18 | |
146 | #define CSR1212_KV_ID_KEYWORD 0x19 | |
147 | #define CSR1212_KV_ID_FEATURE 0x1A | |
148 | #define CSR1212_KV_ID_EXTENDED_ROM 0x1B | |
149 | #define CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID 0x1C | |
150 | #define CSR1212_KV_ID_EXTENDED_KEY 0x1D | |
151 | #define CSR1212_KV_ID_EXTENDED_DATA 0x1E | |
152 | #define CSR1212_KV_ID_MODIFIABLE_DESCRIPTOR 0x1F | |
153 | #define CSR1212_KV_ID_DIRECTORY_ID 0x20 | |
154 | #define CSR1212_KV_ID_REVISION 0x21 | |
155 | ||
156 | ||
157 | /* IEEE 1212 Address space map */ | |
158 | #define CSR1212_ALL_SPACE_BASE (0x000000000000ULL) | |
159 | #define CSR1212_ALL_SPACE_SIZE (1ULL << 48) | |
160 | #define CSR1212_ALL_SPACE_END (CSR1212_ALL_SPACE_BASE + CSR1212_ALL_SPACE_SIZE) | |
161 | ||
162 | #define CSR1212_MEMORY_SPACE_BASE (0x000000000000ULL) | |
163 | #define CSR1212_MEMORY_SPACE_SIZE ((256ULL * (1ULL << 40)) - (512ULL * (1ULL << 20))) | |
164 | #define CSR1212_MEMORY_SPACE_END (CSR1212_MEMORY_SPACE_BASE + CSR1212_MEMORY_SPACE_SIZE) | |
165 | ||
166 | #define CSR1212_PRIVATE_SPACE_BASE (0xffffe0000000ULL) | |
167 | #define CSR1212_PRIVATE_SPACE_SIZE (256ULL * (1ULL << 20)) | |
168 | #define CSR1212_PRIVATE_SPACE_END (CSR1212_PRIVATE_SPACE_BASE + CSR1212_PRIVATE_SPACE_SIZE) | |
169 | ||
170 | #define CSR1212_REGISTER_SPACE_BASE (0xfffff0000000ULL) | |
171 | #define CSR1212_REGISTER_SPACE_SIZE (256ULL * (1ULL << 20)) | |
172 | #define CSR1212_REGISTER_SPACE_END (CSR1212_REGISTER_SPACE_BASE + CSR1212_REGISTER_SPACE_SIZE) | |
173 | ||
174 | #define CSR1212_CSR_ARCH_REG_SPACE_BASE (0xfffff0000000ULL) | |
175 | #define CSR1212_CSR_ARCH_REG_SPACE_SIZE (512) | |
176 | #define CSR1212_CSR_ARCH_REG_SPACE_END (CSR1212_CSR_ARCH_REG_SPACE_BASE + CSR1212_CSR_ARCH_REG_SPACE_SIZE) | |
177 | #define CSR1212_CSR_ARCH_REG_SPACE_OFFSET (CSR1212_CSR_ARCH_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
178 | ||
179 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_BASE (0xfffff0000200ULL) | |
180 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE (512) | |
181 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_END (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE + CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE) | |
182 | #define CSR1212_CSR_BUS_DEP_REG_SPACE_OFFSET (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
183 | ||
184 | #define CSR1212_CONFIG_ROM_SPACE_BASE (0xfffff0000400ULL) | |
185 | #define CSR1212_CONFIG_ROM_SPACE_SIZE (1024) | |
186 | #define CSR1212_CONFIG_ROM_SPACE_END (CSR1212_CONFIG_ROM_SPACE_BASE + CSR1212_CONFIG_ROM_SPACE_SIZE) | |
187 | #define CSR1212_CONFIG_ROM_SPACE_OFFSET (CSR1212_CONFIG_ROM_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
188 | ||
189 | #define CSR1212_UNITS_SPACE_BASE (0xfffff0000800ULL) | |
190 | #define CSR1212_UNITS_SPACE_SIZE ((256ULL * (1ULL << 20)) - 2048) | |
191 | #define CSR1212_UNITS_SPACE_END (CSR1212_UNITS_SPACE_BASE + CSR1212_UNITS_SPACE_SIZE) | |
192 | #define CSR1212_UNITS_SPACE_OFFSET (CSR1212_UNITS_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) | |
193 | ||
194 | #define CSR1212_EXTENDED_ROM_SIZE (0x10000 * sizeof(u_int32_t)) | |
195 | ||
196 | ||
197 | /* Config ROM image structures */ | |
198 | struct csr1212_bus_info_block_img { | |
199 | u_int8_t length; | |
200 | u_int8_t crc_length; | |
201 | u_int16_t crc; | |
202 | ||
203 | /* Must be last */ | |
204 | u_int32_t data[0]; /* older gcc can't handle [] which is standard */ | |
205 | }; | |
206 | ||
207 | #define CSR1212_KV_KEY(quad) (CSR1212_BE32_TO_CPU(quad) >> CSR1212_KV_KEY_SHIFT) | |
208 | #define CSR1212_KV_KEY_TYPE(quad) (CSR1212_KV_KEY(quad) >> CSR1212_KV_KEY_TYPE_SHIFT) | |
209 | #define CSR1212_KV_KEY_ID(quad) (CSR1212_KV_KEY(quad) & CSR1212_KV_KEY_ID_MASK) | |
210 | #define CSR1212_KV_VAL(quad) (CSR1212_BE32_TO_CPU(quad) & CSR1212_KV_VAL_MASK) | |
211 | ||
212 | #define CSR1212_SET_KV_KEY(quad, key) ((quad) = \ | |
213 | CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | ((key) << CSR1212_KV_KEY_SHIFT))) | |
214 | #define CSR1212_SET_KV_VAL(quad, val) ((quad) = \ | |
215 | CSR1212_CPU_TO_BE32((CSR1212_KV_KEY(quad) << CSR1212_KV_KEY_SHIFT) | (val))) | |
216 | #define CSR1212_SET_KV_TYPEID(quad, type, id) ((quad) = \ | |
217 | CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | \ | |
218 | (((((type) & CSR1212_KV_KEY_TYPE_MASK) << CSR1212_KV_KEY_TYPE_SHIFT) | \ | |
219 | ((id) & CSR1212_KV_KEY_ID_MASK)) << CSR1212_KV_KEY_SHIFT))) | |
220 | ||
221 | typedef u_int32_t csr1212_quad_t; | |
222 | ||
223 | ||
224 | struct csr1212_keyval_img { | |
225 | u_int16_t length; | |
226 | u_int16_t crc; | |
227 | ||
228 | /* Must be last */ | |
229 | csr1212_quad_t data[0]; /* older gcc can't handle [] which is standard */ | |
230 | }; | |
231 | ||
232 | struct csr1212_leaf { | |
233 | int len; | |
234 | u_int32_t *data; | |
235 | }; | |
236 | ||
237 | struct csr1212_dentry { | |
238 | struct csr1212_dentry *next, *prev; | |
239 | struct csr1212_keyval *kv; | |
240 | }; | |
241 | ||
242 | struct csr1212_directory { | |
243 | int len; | |
244 | struct csr1212_dentry *dentries_head, *dentries_tail; | |
245 | }; | |
246 | ||
247 | struct csr1212_keyval { | |
248 | struct { | |
249 | u_int8_t type; | |
250 | u_int8_t id; | |
251 | } key; | |
252 | union { | |
253 | u_int32_t immediate; | |
254 | u_int32_t csr_offset; | |
255 | struct csr1212_leaf leaf; | |
256 | struct csr1212_directory directory; | |
257 | } value; | |
258 | struct csr1212_keyval *associate; | |
259 | int refcnt; | |
260 | ||
261 | /* used in generating and/or parsing CSR image */ | |
262 | struct csr1212_keyval *next, *prev; /* flat list of CSR elements */ | |
263 | u_int32_t offset; /* position in CSR from 0xffff f000 0000 */ | |
264 | u_int8_t valid; /* flag indicating keyval has valid data*/ | |
265 | }; | |
266 | ||
267 | ||
268 | struct csr1212_cache_region { | |
269 | struct csr1212_cache_region *next, *prev; | |
270 | u_int32_t offset_start; /* inclusive */ | |
271 | u_int32_t offset_end; /* exclusive */ | |
272 | }; | |
273 | ||
274 | struct csr1212_csr_rom_cache { | |
275 | struct csr1212_csr_rom_cache *next, *prev; | |
276 | struct csr1212_cache_region *filled_head, *filled_tail; | |
277 | struct csr1212_keyval *layout_head, *layout_tail; | |
278 | size_t size; | |
279 | u_int32_t offset; | |
280 | struct csr1212_keyval *ext_rom; | |
281 | size_t len; | |
282 | ||
283 | /* Must be last */ | |
284 | u_int32_t data[0]; /* older gcc can't handle [] which is standard */ | |
285 | }; | |
286 | ||
287 | struct csr1212_csr { | |
288 | size_t bus_info_len; /* bus info block length in bytes */ | |
289 | size_t crc_len; /* crc length in bytes */ | |
290 | u_int32_t *bus_info_data; /* bus info data incl bus name and EUI */ | |
291 | ||
292 | void *private; /* private, bus specific data */ | |
293 | struct csr1212_bus_ops *ops; | |
294 | ||
295 | struct csr1212_keyval *root_kv; | |
296 | ||
297 | int max_rom; /* max bytes readable in Config ROM region */ | |
298 | ||
299 | /* Items below used for image parsing and generation */ | |
300 | struct csr1212_csr_rom_cache *cache_head, *cache_tail; | |
301 | }; | |
302 | ||
303 | struct csr1212_bus_ops { | |
304 | /* This function is used by csr1212 to read additional information | |
305 | * from remote nodes when parsing a Config ROM (i.e., read Config ROM | |
306 | * entries located in the Units Space. Must return 0 on success | |
307 | * anything else indicates an error. */ | |
308 | int (*bus_read) (struct csr1212_csr *csr, u_int64_t addr, | |
309 | u_int16_t length, void *buffer, void *private); | |
310 | ||
311 | /* This function is used by csr1212 to allocate a region in units space | |
312 | * in the event that Config ROM entries don't all fit in the predefined | |
313 | * 1K region. The void *private parameter is private member of struct | |
314 | * csr1212_csr. */ | |
315 | u_int64_t (*allocate_addr_range) (u_int64_t size, u_int32_t alignment, | |
316 | void *private); | |
317 | ||
318 | ||
319 | /* This function is used by csr1212 to release a region in units space | |
320 | * that is no longer needed. */ | |
321 | void (*release_addr) (u_int64_t addr, void *private); | |
322 | ||
323 | /* This function is used by csr1212 to determine the max read request | |
324 | * supported by a remote node when reading the ConfigROM space. Must | |
325 | * return 0, 1, or 2 per IEEE 1212. */ | |
326 | int (*get_max_rom) (u_int32_t *bus_info, void *private); | |
327 | }; | |
328 | ||
329 | ||
330 | ||
331 | ||
332 | /* Descriptor Leaf manipulation macros */ | |
333 | #define CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT 24 | |
334 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK 0xffffff | |
335 | #define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) | |
336 | ||
337 | #define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \ | |
338 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | |
339 | #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \ | |
340 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) & \ | |
341 | CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK) | |
342 | #define CSR1212_DESCRIPTOR_LEAF_DATA(kv) \ | |
343 | (&((kv)->value.leaf.data[1])) | |
344 | ||
345 | #define CSR1212_DESCRIPTOR_LEAF_SET_TYPE(kv, type) \ | |
346 | ((kv)->value.leaf.data[0] = \ | |
347 | CSR1212_CPU_TO_BE32(CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) | \ | |
348 | ((type) << CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT))) | |
349 | #define CSR1212_DESCRIPTOR_LEAF_SET_SPECIFIER_ID(kv, spec_id) \ | |
350 | ((kv)->value.leaf.data[0] = \ | |
351 | CSR1212_CPU_TO_BE32((CSR1212_DESCRIPTOR_LEAF_TYPE(kv) << \ | |
352 | CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | \ | |
353 | ((spec_id) & CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK))) | |
354 | ||
355 | /* Text Descriptor Leaf manipulation macros */ | |
356 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT 28 | |
357 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK 0xf /* after shift */ | |
358 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT 16 | |
359 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK 0xfff /* after shift */ | |
360 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff | |
361 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) | |
362 | ||
363 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \ | |
364 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \ | |
365 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT) | |
366 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \ | |
367 | ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \ | |
368 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \ | |
369 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) | |
370 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \ | |
371 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) & \ | |
372 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK) | |
373 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \ | |
374 | (&((kv)->value.leaf.data[2])) | |
375 | ||
376 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_WIDTH(kv, width) \ | |
377 | ((kv)->value.leaf.data[1] = \ | |
378 | ((kv)->value.leaf.data[1] & \ | |
379 | CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK << \ | |
380 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))) | \ | |
381 | CSR1212_CPU_TO_BE32(((width) & \ | |
382 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK) << \ | |
383 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT)) | |
384 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_CHAR_SET(kv, char_set) \ | |
385 | ((kv)->value.leaf.data[1] = \ | |
386 | ((kv)->value.leaf.data[1] & \ | |
387 | CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK << \ | |
388 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))) | \ | |
389 | CSR1212_CPU_TO_BE32(((char_set) & \ | |
390 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) << \ | |
391 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT)) | |
392 | #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \ | |
393 | ((kv)->value.leaf.data[1] = \ | |
394 | ((kv)->value.leaf.data[1] & \ | |
395 | CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \ | |
396 | CSR1212_CPU_TO_BE32(((language) & \ | |
397 | CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | |
398 | ||
399 | ||
400 | /* Icon Descriptor Leaf manipulation macros */ | |
401 | #define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK 0xffffff | |
402 | #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT 30 | |
403 | #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK 0x3 /* after shift */ | |
404 | #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT 16 | |
405 | #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK 0xf /* after shift */ | |
406 | #define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff | |
407 | #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT 16 | |
408 | #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK 0xffff /* after shift */ | |
409 | #define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK 0xffff | |
410 | #define CSR1212_ICON_DESCRIPTOR_LEAF_OVERHEAD (3 * sizeof(u_int32_t)) | |
411 | ||
412 | #define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION(kv) \ | |
413 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[2]) & \ | |
414 | CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK) | |
415 | ||
416 | #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv) \ | |
417 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \ | |
418 | CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT) | |
419 | ||
420 | #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv) \ | |
421 | ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \ | |
422 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT) & \ | |
423 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK) | |
424 | ||
425 | #define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE(kv) \ | |
426 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) & \ | |
427 | CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK) | |
428 | ||
429 | #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN(kv) \ | |
430 | ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) >> \ | |
431 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_SHIFT) & \ | |
432 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_MASK) | |
433 | ||
434 | #define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN(kv) \ | |
435 | (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) & \ | |
436 | CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK) | |
437 | ||
438 | #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE(kv) \ | |
439 | (&((kv)->value.leaf.data[5])) | |
440 | ||
441 | static inline u_int32_t *CSR1212_ICON_DESCRIPTOR_LEAF_PIXELS(struct csr1212_keyval *kv) | |
442 | { | |
443 | static const int pd[4] = { 0, 4, 16, 256 }; | |
444 | static const int cs[16] = { 4, 2 }; | |
445 | int ps = pd[CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv)]; | |
446 | ||
447 | return &kv->value.leaf.data[5 + | |
448 | (ps * cs[CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv)]) / | |
449 | sizeof(u_int32_t)]; | |
450 | } | |
451 | ||
452 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VERSION(kv, version) \ | |
453 | ((kv)->value.leaf.data[2] = \ | |
454 | ((kv)->value.leaf.data[2] & \ | |
455 | CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK))) | \ | |
456 | CSR1212_CPU_TO_BE32(((version) & \ | |
457 | CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK))) | |
458 | ||
459 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_PALETTE_DEPTH(kv, palette_depth) \ | |
460 | ((kv)->value.leaf.data[3] = \ | |
461 | ((kv)->value.leaf.data[3] & \ | |
462 | CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK << \ | |
463 | CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT))) | \ | |
464 | CSR1212_CPU_TO_BE32(((palette_depth) & \ | |
465 | CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK) << \ | |
466 | CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT)) | |
467 | ||
468 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_COLOR_SPACE(kv, color_space) \ | |
469 | ((kv)->value.leaf.data[3] = \ | |
470 | ((kv)->value.leaf.data[3] & \ | |
471 | CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK << \ | |
472 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT))) | \ | |
473 | CSR1212_CPU_TO_BE32(((color_space) & \ | |
474 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK) << \ | |
475 | CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT)) | |
476 | ||
477 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \ | |
478 | ((kv)->value.leaf.data[3] = \ | |
479 | ((kv)->value.leaf.data[3] & \ | |
480 | CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \ | |
481 | CSR1212_CPU_TO_BE32(((language) & \ | |
482 | CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | |
483 | ||
484 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_HSCAN(kv, hscan) \ | |
485 | ((kv)->value.leaf.data[4] = \ | |
486 | ((kv)->value.leaf.data[4] & \ | |
487 | CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK << \ | |
488 | CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT))) | \ | |
489 | CSR1212_CPU_TO_BE32(((hscan) & \ | |
490 | CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK) << \ | |
491 | CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT)) | |
492 | ||
493 | #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VSCAN(kv, vscan) \ | |
494 | ((kv)->value.leaf.data[4] = \ | |
495 | (((kv)->value.leaf.data[4] & \ | |
496 | CSR1212_CPU_TO_BE32(~CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK))) | \ | |
497 | CSR1212_CPU_TO_BE32(((vscan) & \ | |
498 | CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK))) | |
499 | ||
500 | ||
501 | /* Modifiable Descriptor Leaf manipulation macros */ | |
502 | #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT 16 | |
503 | #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK 0xffff | |
504 | #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_SHIFT 32 | |
505 | #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK 0xffff | |
506 | #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK 0xffffffffULL | |
507 | ||
508 | #define CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE(kv) \ | |
509 | CSR1212_BE16_TO_CPU((kv)->value.leaf.data[0] >> CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE_SHIFT) | |
510 | ||
511 | #define CSR1212_MODIFIABLE_DESCRIPTOR_ADDRESS(kv) \ | |
512 | (CSR1212_BE16_TO_CPU(((u_int64_t)((kv)->value.leaf.data[0])) << \ | |
513 | CSR1212_MODIFIABLE_DESCRIPTOR_ADDR_HI_SHIFT) | \ | |
514 | CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1])) | |
515 | ||
516 | #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_MAX_SIZE(kv, size) \ | |
517 | ((kv)->value.leaf.data[0] = \ | |
518 | ((kv)->value.leaf.data[0] & \ | |
519 | CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK << \ | |
520 | CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT))) | \ | |
521 | CSR1212_CPU_TO_BE32(((size) & \ | |
522 | CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK) << \ | |
523 | CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT)) | |
524 | ||
525 | #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_HI(kv, addr) \ | |
526 | ((kv)->value.leaf.data[0] = \ | |
527 | ((kv)->value.leaf.data[0] & \ | |
528 | CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK))) | \ | |
529 | CSR1212_CPU_TO_BE32(((addr) & \ | |
530 | CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK))) | |
531 | ||
532 | #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_LO(kv, addr) \ | |
533 | ((kv)->value.leaf.data[1] = \ | |
534 | CSR1212_CPU_TO_BE32(addr & CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK)) | |
535 | ||
536 | ||
537 | ||
538 | /* The following 2 function are for creating new Configuration ROM trees. The | |
539 | * first function is used for both creating local trees and parsing remote | |
540 | * trees. The second function adds pertinent information to local Configuration | |
541 | * ROM trees - namely data for the bus information block. */ | |
542 | extern struct csr1212_csr *csr1212_create_csr(struct csr1212_bus_ops *ops, | |
543 | size_t bus_info_size, | |
544 | void *private); | |
545 | extern void csr1212_init_local_csr(struct csr1212_csr *csr, | |
546 | const u_int32_t *bus_info_data, int max_rom); | |
547 | ||
548 | ||
549 | /* The following function destroys a Configuration ROM tree and release all | |
550 | * memory taken by the tree. */ | |
551 | extern void csr1212_destroy_csr(struct csr1212_csr *csr); | |
552 | ||
553 | ||
554 | /* The following set of functions are fore creating new keyvals for placement in | |
555 | * a Configuration ROM tree. Code that creates new keyvals with these functions | |
556 | * must release those keyvals with csr1212_release_keyval() when they are no | |
557 | * longer needed. */ | |
558 | extern struct csr1212_keyval *csr1212_new_immediate(u_int8_t key, u_int32_t value); | |
559 | extern struct csr1212_keyval *csr1212_new_leaf(u_int8_t key, const void *data, | |
560 | size_t data_len); | |
561 | extern struct csr1212_keyval *csr1212_new_csr_offset(u_int8_t key, | |
562 | u_int32_t csr_offset); | |
563 | extern struct csr1212_keyval *csr1212_new_directory(u_int8_t key); | |
564 | extern struct csr1212_keyval *csr1212_new_extended_immediate(u_int32_t spec, | |
565 | u_int32_t key, | |
566 | u_int32_t value); | |
567 | extern struct csr1212_keyval *csr1212_new_extended_leaf(u_int32_t spec, | |
568 | u_int32_t key, | |
569 | const void *data, | |
570 | size_t data_len); | |
571 | extern struct csr1212_keyval *csr1212_new_descriptor_leaf(u_int8_t dtype, | |
572 | u_int32_t specifier_id, | |
573 | const void *data, | |
574 | size_t data_len); | |
575 | extern struct csr1212_keyval *csr1212_new_textual_descriptor_leaf(u_int8_t cwidth, | |
576 | u_int16_t cset, | |
577 | u_int16_t language, | |
578 | const void *data, | |
579 | size_t data_len); | |
580 | extern struct csr1212_keyval *csr1212_new_string_descriptor_leaf(const char *s); | |
581 | extern struct csr1212_keyval *csr1212_new_icon_descriptor_leaf(u_int32_t version, | |
582 | u_int8_t palette_depth, | |
583 | u_int8_t color_space, | |
584 | u_int16_t language, | |
585 | u_int16_t hscan, | |
586 | u_int16_t vscan, | |
587 | u_int32_t *palette, | |
588 | u_int32_t *pixels); | |
589 | extern struct csr1212_keyval *csr1212_new_modifiable_descriptor_leaf(u_int16_t max_size, | |
590 | u_int64_t address); | |
591 | extern struct csr1212_keyval *csr1212_new_keyword_leaf(int strc, | |
592 | const char *strv[]); | |
593 | ||
594 | ||
595 | /* The following functions manage association between keyvals. Typically, | |
596 | * Descriptor Leaves and Directories will be associated with another keyval and | |
597 | * it is desirable for the Descriptor keyval to be place immediately after the | |
598 | * keyval that it is associated with.*/ | |
599 | extern int csr1212_associate_keyval(struct csr1212_keyval *kv, | |
600 | struct csr1212_keyval *associate); | |
601 | extern void csr1212_disassociate_keyval(struct csr1212_keyval *kv); | |
602 | ||
603 | ||
604 | /* The following functions manage the association of a keyval and directories. | |
605 | * A keyval may be attached to more than one directory. */ | |
606 | extern int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, | |
607 | struct csr1212_keyval *kv); | |
608 | extern void csr1212_detach_keyval_from_directory(struct csr1212_keyval *dir, | |
609 | struct csr1212_keyval *kv); | |
610 | ||
611 | ||
612 | /* The following functions create a Configuration ROM image from the tree of | |
613 | * keyvals provided. csr1212_generate_csr_image() creates a complete image in | |
614 | * the list of caches available via csr->cache_head. The other functions are | |
615 | * provided should there be a need to create a flat image without restrictions | |
616 | * placed by IEEE 1212. */ | |
617 | extern struct csr1212_keyval *csr1212_generate_positions(struct csr1212_csr_rom_cache *cache, | |
618 | struct csr1212_keyval *start_kv, | |
619 | int start_pos); | |
620 | extern size_t csr1212_generate_layout_order(struct csr1212_keyval *kv); | |
621 | extern void csr1212_fill_cache(struct csr1212_csr_rom_cache *cache); | |
622 | extern int csr1212_generate_csr_image(struct csr1212_csr *csr); | |
623 | ||
624 | ||
625 | /* This is a convience function for reading a block of data out of one of the | |
626 | * caches in the csr->cache_head list. */ | |
627 | extern int csr1212_read(struct csr1212_csr *csr, u_int32_t offset, void *buffer, | |
628 | u_int32_t len); | |
629 | ||
630 | ||
631 | /* The following functions are in place for parsing Configuration ROM images. | |
632 | * csr1212_parse_keyval() is used should there be a need to directly parse a | |
633 | * Configuration ROM directly. */ | |
634 | extern int csr1212_parse_keyval(struct csr1212_keyval *kv, | |
635 | struct csr1212_csr_rom_cache *cache); | |
636 | extern int csr1212_parse_csr(struct csr1212_csr *csr); | |
637 | ||
638 | /* These are internal functions referenced by inline functions below. */ | |
639 | extern int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv); | |
640 | extern void _csr1212_destroy_keyval(struct csr1212_keyval *kv); | |
641 | ||
642 | ||
643 | /* This function allocates a new cache which may be used for either parsing or | |
644 | * generating sub-sets of Configuration ROM images. */ | |
645 | static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t offset, | |
646 | size_t size) | |
647 | { | |
648 | struct csr1212_csr_rom_cache *cache; | |
649 | ||
650 | cache = CSR1212_MALLOC(sizeof(struct csr1212_csr_rom_cache) + size); | |
651 | if (!cache) | |
652 | return NULL; | |
653 | ||
654 | cache->next = NULL; | |
655 | cache->prev = NULL; | |
656 | cache->filled_head = NULL; | |
657 | cache->filled_tail = NULL; | |
658 | cache->layout_head = NULL; | |
659 | cache->layout_tail = NULL; | |
660 | cache->offset = offset; | |
661 | cache->size = size; | |
662 | cache->ext_rom = NULL; | |
663 | ||
664 | return cache; | |
665 | } | |
666 | ||
667 | ||
668 | /* This function ensures that a keyval contains data when referencing a keyval | |
669 | * created by parsing a Configuration ROM. */ | |
670 | static inline struct csr1212_keyval *csr1212_get_keyval(struct csr1212_csr *csr, | |
671 | struct csr1212_keyval *kv) | |
672 | { | |
673 | if (!kv) | |
674 | return NULL; | |
675 | if (!kv->valid) | |
676 | if (_csr1212_read_keyval(csr, kv) != CSR1212_SUCCESS) | |
677 | return NULL; | |
678 | return kv; | |
679 | } | |
680 | ||
681 | ||
682 | /* This function increments the reference count for a keyval should there be a | |
683 | * need for code to retain a keyval that has been parsed. */ | |
684 | static inline void csr1212_keep_keyval(struct csr1212_keyval *kv) | |
685 | { | |
686 | kv->refcnt++; | |
687 | } | |
688 | ||
689 | ||
690 | /* This function decrements a keyval's reference count and will destroy the | |
691 | * keyval when there are no more users of the keyval. This should be called by | |
692 | * any code that calls csr1212_keep_keyval() or any of the keyval creation | |
693 | * routines csr1212_new_*(). */ | |
694 | static inline void csr1212_release_keyval(struct csr1212_keyval *kv) | |
695 | { | |
696 | if (kv->refcnt > 1) | |
697 | kv->refcnt--; | |
698 | else | |
699 | _csr1212_destroy_keyval(kv); | |
700 | } | |
701 | ||
702 | ||
703 | /* | |
704 | * This macro allows for looping over the keyval entries in a directory and it | |
705 | * ensures that keyvals from remote ConfigROMs are parsed properly. | |
706 | * | |
707 | * _csr is a struct csr1212_csr * that points to CSR associated with dir. | |
708 | * _kv is a struct csr1212_keyval * that'll point to the current keyval (loop index). | |
709 | * _dir is a struct csr1212_keyval * that points to the directory to be looped. | |
710 | * _pos is a struct csr1212_dentry * that is used internally for indexing. | |
711 | * | |
712 | * kv will be NULL upon exit of the loop. | |
713 | */ | |
714 | #define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \ | |
715 | for (csr1212_get_keyval((_csr), (_dir)), \ | |
716 | _pos = (_dir)->value.directory.dentries_head, \ | |
717 | _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL; \ | |
718 | (_kv) && (_pos); \ | |
719 | (_kv->associate == NULL) ? \ | |
720 | ((_pos = _pos->next), \ | |
721 | (_kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : \ | |
722 | NULL)) : \ | |
723 | (_kv = csr1212_get_keyval((_csr), _kv->associate))) | |
724 | ||
725 | ||
726 | ||
727 | #endif /* __CSR1212_H__ */ |