This source file includes following definitions.
- print_opcode
- print_opcode
- print_command
- print_status
- print_sense
- print_msg
1
2
3
4
5
6 #include <linux/config.h>
7 #include "../block/blk.h"
8 #include <linux/kernel.h>
9 #include "scsi.h"
10
11 #define CONST_COMMAND 0x01
12 #define CONST_STATUS 0x02
13 #define CONST_SENSE 0x04
14 #define CONST_XSENSE 0x08
15 static const char unknown[] = "UNKNOWN";
16
17 #ifdef CONFIG_SCSI_CONSTANTS
18 #ifdef CONSTANTS
19 #undef CONSTANTS
20 #endif
21 #define CONSTANTS (CONST_CMD | CONST_STATUS | CONST_SENSE | CONST_XSENSE)
22 #endif
23
24 #if (CONSTANTS & CONST_COMMAND)
25 static const char * group_0_commands[] = {
26 "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
27 "Format Unit", "Read Block Limits", unknown, "Reasssign Blocks",
28 "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
29 unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
30 unknown, "Recover Buffered Data", "Mode Select", "Reserve",
31 "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
32 "Receive Diagnostic", "Send Diagnostic",
33 "Prevent/Allow Medium Removal", unknown,
34 };
35
36
37 static const char *group_1_commands[] = {
38 unknown, unknown, unknown,
39 unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
40 unknown, "Write (10)", "Seek (10)", unknown, unknown,
41 "Write Verify","Verify", "Search High", "Search Equal",
42 "Search Low", "Set Limits", "Prefetch or Read Position",
43 "Synchronize Cache","Lock/Unlock Cache", "Read Deffect Data",
44 unknown, "Compare","Copy Verify", "Write Buffer", "Read Buffer",
45 unknown, "Read Long", unknown,
46 };
47
48
49 static const char *group_2_commands[] = {
50 "Change Definition", unknown,
51 unknown, unknown, unknown, unknown, unknown, unknown, unknown,
52 unknown, unknown, unknown, "Log Select", "Log Sense", unknown,
53 unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
54 unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
55 unknown, unknown, unknown,
56 };
57
58
59
60 #define group(opcode) (((opcode) >> 5) & 7)
61
62 #define RESERVED_GROUP 0
63 #define VENDOR_GROUP 1
64 #define NOTEXT_GROUP 2
65
66 static const char **commands[] = {
67 group_0_commands, group_1_commands, group_2_commands,
68 (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
69 (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
70 (const char **) VENDOR_GROUP};
71
72 static const char reserved[] = "RESERVED";
73 static const char vendor[] = "VENDOR SPECIFIC";
74
75 static void print_opcode(int opcode) {
76 char **table = commands[ group(opcode) ];
77 switch ((int) table) {
78 case RESERVED_GROUP:
79 printk("%s(0x%02x) ", reserved, opcode);
80 break;
81 case NOTEXT_GROUP:
82 printk("%s(0x%02x) ", unknown, opcode);
83 break;
84 case VENDOR_GROUP:
85 printk("%s(0x%02x) ", vendor, opcode);
86 break;
87 default:
88 printk("%s ",table[opcode & 0x31]);
89 }
90 }
91 #else
92 static void print_opcode(int opcode) {
93 printk("0x%02x ", opcode);
94 }
95 #endif
96
97 void print_command (unsigned char *command) {
98 int i,s;
99 print_opcode(command[0]);
100 for ( i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
101 printk("%02x ", command[i]);
102 printk("\n");
103 }
104
105 #if (CONSTANTS & CONST_STATUS)
106 static const char * statuses[] = {
107 "Good", "Check Condition", "Condition Good", unknown, "Busy",
108 unknown, unknown, unknown, "Intermediate Good", unknown,
109 "Interemediate Good", unknown, "Reservation Conflict", unknown,
110 unknown, unknown,
111 };
112 #endif
113
114 void print_status (int status) {
115 status = (status >> 1) & 0xf;
116 #if (CONSTANTS & CONST_STATUS)
117 printk("%s ",statuses[status]);
118 #else
119 printk("0x%0x ", status);
120 #endif
121 }
122
123 #if (CONSTANTS & CONST_XSENSE)
124 #define D 0x001
125 #define T 0x002
126 #define L 0x004
127 #define P 0x008
128 #define W 0x010
129 #define R 0x020
130 #define S 0x040
131 #define O 0x080
132 #define M 0x100
133 #define C 0x200
134
135 struct error_info{
136 unsigned char code1, code2;
137 unsigned short int devices;
138 char * text;
139 };
140
141 struct error_info2{
142 unsigned char code1, code2_min, code2_max;
143 unsigned short int devices;
144 char * text;
145 };
146
147 static struct error_info2 additional2[] =
148 {
149 {0x40,0x00,0x7f,D,"Ram failure (%x)"},
150 {0x40,0x80,0xff,D|T|L|P|W|R|S|O|M|C,"Diagnostic failure on component (%x)"},
151 {0x41,0x00,0xff,D,"Data path failure (%x)"},
152 {0x42,0x00,0xff,D,"Power-on or self-test failure (%x)"},
153 {0, 0, 0, 0, NULL}
154 };
155
156 static struct error_info additional[] =
157 {
158 {0x00,0x01,T,"Filemark detected"},
159 {0x00,0x02,T|S,"End-of-partition/medium detected"},
160 {0x00,0x03,T,"Setmark detected"},
161 {0x00,0x04,T|S,"Beginning-of-partition/medium detected"},
162 {0x00,0x05,T|S,"End-of-data detected"},
163 {0x00,0x06,D|T|L|P|W|R|S|O|M|C,"I/O process terminated"},
164 {0x00,0x11,R,"Audio play operation in progress"},
165 {0x00,0x12,R,"Audio play operation paused"},
166 {0x00,0x13,R,"Audio play operation successfully completed"},
167 {0x00,0x14,R,"Audio play operation stopped due to error"},
168 {0x00,0x15,R,"No current audio status to return"},
169 {0x01,0x00,D|W|O,"No index/sector signal"},
170 {0x02,0x00,D|W|R|O|M,"No seek complete"},
171 {0x03,0x00,D|T|L|W|S|O,"Peripheral device write fault"},
172 {0x03,0x01,T,"No write current"},
173 {0x03,0x02,T,"Excessive write errors"},
174 {0x04,0x00,D|T|L|P|W|R|S|O|M|C,
175 "Logical unit not ready, cause not reportable"},
176 {0x04,0x01,D|T|L|P|W|R|S|O|M|C,
177 "Logical unit is in process of becoming ready"},
178 {0x04,0x02,D|T|L|P|W|R|S|O|M|C,
179 "Logical unit not ready, initializing command required"},
180 {0x04,0x03,D|T|L|P|W|R|S|O|M|C,
181 "Logical unit not ready, manual intervention required"},
182 {0x04,0x04,D|T|L|O,"Logical unit not ready, format in progress"},
183 {0x05,0x00,D|T|L|W|R|S|O|M|C,"Logical unit does not respond to selection"},
184 {0x06,0x00,D|W|R|O|M,"No reference position found"},
185 {0x07,0x00,D|T|L|W|R|S|O|M,"Multiple peripheral devices selected"},
186 {0x08,0x00,D|T|L|W|R|S|O|M|C,"Logical unit communication failure"},
187 {0x08,0x01,D|T|L|W|R|S|O|M|C,"Logical unit communication time-out"},
188 {0x08,0x02,D|T|L|W|R|S|O|M|C,"Logical unit communication parity error"},
189 {0x09,0x00,D|T|W|R|O,"Track following error"},
190 {0x09,0x01,W|R|O,"Tracking servo failure"},
191 {0x09,0x02,W|R|O,"Focus servo failure"},
192 {0x09,0x03,W|R|O,"Spindle servo failure"},
193 {0x0A,0x00,D|T|L|P|W|R|S|O|M|C,"Error log overflow"},
194 {0x0C,0x00,T|S,"Write error"},
195 {0x0C,0x01,D|W|O,"Write error recovered with auto reallocation"},
196 {0x0C,0x02,D|W|O,"Write error - auto reallocation failed"},
197 {0x10,0x00,D|W|O,"Id crc or ecc error"},
198 {0x11,0x00,D|T|W|R|S|O,"Unrecovered read error"},
199 {0x11,0x01,D|T|W|S|O,"Read retries exhausted"},
200 {0x11,0x02,D|T|W|S|O,"Error too long to correct"},
201 {0x11,0x03,D|T|W|S|O,"Multiple read errors"},
202 {0x11,0x04,D|W|O,"Unrecovered read error - auto reallocate failed"},
203 {0x11,0x05,W|R|O,"L-ec uncorrectable error"},
204 {0x11,0x06,W|R|O,"Circ unrecovered error"},
205 {0x11,0x07,W|O,"Data resychronization error"},
206 {0x11,0x08,T,"Incomplete block read"},
207 {0x11,0x09,T,"No gap found"},
208 {0x11,0x0A,D|T|O,"Miscorrected error"},
209 {0x11,0x0B,D|W|O,"Unrecovered read error - recommend reassignment"},
210 {0x11,0x0C,D|W|O,"Unrecovered read error - recommend rewrite the data"},
211 {0x12,0x00,D|W|O,"Address mark not found for id field"},
212 {0x13,0x00,D|W|O,"Address mark not found for data field"},
213 {0x14,0x00,D|T|L|W|R|S|O,"Recorded entity not found"},
214 {0x14,0x01,D|T|W|R|O,"Record not found"},
215 {0x14,0x02,T,"Filemark or setmark not found"},
216 {0x14,0x03,T,"End-of-data not found"},
217 {0x14,0x04,T,"Block sequence error"},
218 {0x15,0x00,D|T|L|W|R|S|O|M,"Random positioning error"},
219 {0x15,0x01,D|T|L|W|R|S|O|M,"Mechanical positioning error"},
220 {0x15,0x02,D|T|W|R|O,"Positioning error detected by read of medium"},
221 {0x16,0x00,D|W|O,"Data synchronization mark error"},
222 {0x17,0x00,D|T|W|R|S|O,"Recovered data with no error correction applied"},
223 {0x17,0x01,D|T|W|R|S|O,"Recovered data with retries"},
224 {0x17,0x02,D|T|W|R|O,"Recovered data with positive head offset"},
225 {0x17,0x03,D|T|W|R|O,"Recovered data with negative head offset"},
226 {0x17,0x04,W|R|O,"Recovered data with retries and/or circ applied"},
227 {0x17,0x05,D|W|R|O,"Recovered data using previous sector id"},
228 {0x17,0x06,D|W|O,"Recovered data without ecc - data auto-reallocated"},
229 {0x17,0x07,D|W|O,"Recovered data without ecc - recommend reassignment"},
230 {0x18,0x00,D|T|W|R|O,"Recovered data with error correction applied"},
231 {0x18,0x01,D|W|R|O,"Recovered data with error correction and retries applied"},
232 {0x18,0x02,D|W|R|O,"Recovered data - data auto-reallocated"},
233 {0x18,0x03,R,"Recovered data with circ"},
234 {0x18,0x04,R,"Recovered data with lec"},
235 {0x18,0x05,D|W|R|O,"Recovered data - recommend reassignment"},
236 {0x19,0x00,D|O,"Defect list error"},
237 {0x19,0x01,D|O,"Defect list not available"},
238 {0x19,0x02,D|O,"Defect list error in primary list"},
239 {0x19,0x03,D|O,"Defect list error in grown list"},
240 {0x1A,0x00,D|T|L|P|W|R|S|O|M|C,"Parameter list length error"},
241 {0x1B,0x00,D|T|L|P|W|R|S|O|M|C,"Synchronous data transfer error"},
242 {0x1C,0x00,D|O,"Defect list not found"},
243 {0x1C,0x01,D|O,"Primary defect list not found"},
244 {0x1C,0x02,D|O,"Grown defect list not found"},
245 {0x1D,0x00,D|W|O,"Miscompare during verify operation"},
246 {0x1E,0x00,D|W|O,"Recovered id with ecc correction"},
247 {0x20,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid command operation code"},
248 {0x21,0x00,D|T|W|R|O|M,"Logical block address out of range"},
249 {0x21,0x01,M,"Invalid element address"},
250 {0x22,0x00,D,"Illegal function (should use 20 00, 24 00, or 26 00)"},
251 {0x24,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid field in cdb"},
252 {0x25,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit not supported"},
253 {0x26,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid field in parameter list"},
254 {0x26,0x01,D|T|L|P|W|R|S|O|M|C,"Parameter not supported"},
255 {0x26,0x02,D|T|L|P|W|R|S|O|M|C,"Parameter value invalid"},
256 {0x26,0x03,D|T|L|P|W|R|S|O|M|C,"Threshold parameters not supported"},
257 {0x27,0x00,D|T|W|O,"Write protected"},
258 {0x28,0x00,D|T|L|P|W|R|S|O|M|C,"Not ready to ready transition (medium may have changed)"},
259 {0x28,0x01,M,"Import or export element accessed"},
260 {0x29,0x00,D|T|L|P|W|R|S|O|M|C,"Power on, reset, or bus device reset occurred"},
261 {0x2A,0x00,D|T|L|W|R|S|O|M|C,"Parameters changed"},
262 {0x2A,0x01,D|T|L|W|R|S|O|M|C,"Mode parameters changed"},
263 {0x2A,0x02,D|T|L|W|R|S|O|M|C,"Log parameters changed"},
264 {0x2B,0x00,D|T|L|P|W|R|S|O|C,"Copy cannot execute since host cannot disconnect"},
265 {0x2C,0x00,D|T|L|P|W|R|S|O|M|C,"Command sequence error"},
266 {0x2C,0x01,S,"Too many windows specified"},
267 {0x2C,0x02,S,"Invalid combination of windows specified"},
268 {0x2D,0x00,T,"Overwrite error on update in place"},
269 {0x2F,0x00,D|T|L|P|W|R|S|O|M|C,"Commands cleared by another initiator"},
270 {0x30,0x00,D|T|W|R|O|M,"Incompatible medium installed"},
271 {0x30,0x01,D|T|W|R|O,"Cannot read medium - unknown format"},
272 {0x30,0x02,D|T|W|R|O,"Cannot read medium - incompatible format"},
273 {0x30,0x03,D|T,"Cleaning cartridge installed"},
274 {0x31,0x00,D|T|W|O,"Medium format corrupted"},
275 {0x31,0x01,D|L|O,"Format command failed"},
276 {0x32,0x00,D|W|O,"No defect spare location available"},
277 {0x32,0x01,D|W|O,"Defect list update failure"},
278 {0x33,0x00,T,"Tape length error"},
279 {0x36,0x00,L,"Ribbon, ink, or toner failure"},
280 {0x37,0x00,D|T|L|W|R|S|O|M|C,"Rounded parameter"},
281 {0x39,0x00,D|T|L|W|R|S|O|M|C,"Saving parameters not supported"},
282 {0x3A,0x00,D|T|L|W|R|S|O|M,"Medium not present"},
283 {0x3B,0x00,T|L,"Sequential positioning error"},
284 {0x3B,0x01,T,"Tape position error at beginning-of-medium"},
285 {0x3B,0x02,T,"Tape position error at end-of-medium"},
286 {0x3B,0x03,L,"Tape or electronic vertical forms unit not ready"},
287 {0x3B,0x04,L,"Slew failure"},
288 {0x3B,0x05,L,"Paper jam"},
289 {0x3B,0x06,L,"Failed to sense top-of-form"},
290 {0x3B,0x07,L,"Failed to sense bottom-of-form"},
291 {0x3B,0x08,T,"Reposition error"},
292 {0x3B,0x09,S,"Read past end of medium"},
293 {0x3B,0x0A,S,"Read past beginning of medium"},
294 {0x3B,0x0B,S,"Position past end of medium"},
295 {0x3B,0x0C,S,"Position past beginning of medium"},
296 {0x3B,0x0D,M,"Medium destination element full"},
297 {0x3B,0x0E,M,"Medium source element empty"},
298 {0x3D,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid bits in identify message"},
299 {0x3E,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit has not self-configured yet"},
300 {0x3F,0x00,D|T|L|P|W|R|S|O|M|C,"Target operating conditions have changed"},
301 {0x3F,0x01,D|T|L|P|W|R|S|O|M|C,"Microcode has been changed"},
302 {0x3F,0x02,D|T|L|P|W|R|S|O|M|C,"Changed operating definition"},
303 {0x3F,0x03,D|T|L|P|W|R|S|O|M|C,"Inquiry data has changed"},
304 {0x43,0x00,D|T|L|P|W|R|S|O|M|C,"Message error"},
305 {0x44,0x00,D|T|L|P|W|R|S|O|M|C,"Internal target failure"},
306 {0x45,0x00,D|T|L|P|W|R|S|O|M|C,"Select or reselect failure"},
307 {0x46,0x00,D|T|L|P|W|R|S|O|M|C,"Unsuccessful soft reset"},
308 {0x47,0x00,D|T|L|P|W|R|S|O|M|C,"Scsi parity error"},
309 {0x48,0x00,D|T|L|P|W|R|S|O|M|C,"Initiator detected error message received"},
310 {0x49,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid message error"},
311 {0x4A,0x00,D|T|L|P|W|R|S|O|M|C,"Command phase error"},
312 {0x4B,0x00,D|T|L|P|W|R|S|O|M|C,"Data phase error"},
313 {0x4C,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit failed self-configuration"},
314 {0x4E,0x00,D|T|L|P|W|R|S|O|M|C,"Overlapped commands attempted"},
315 {0x50,0x00,T,"Write append error"},
316 {0x50,0x01,T,"Write append position error"},
317 {0x50,0x02,T,"Position error related to timing"},
318 {0x51,0x00,T|O,"Erase failure"},
319 {0x52,0x00,T,"Cartridge fault"},
320 {0x53,0x00,D|T|L|W|R|S|O|M,"Media load or eject failed"},
321 {0x53,0x01,T,"Unload tape failure"},
322 {0x53,0x02,D|T|W|R|O|M,"Medium removal prevented"},
323 {0x54,0x00,P,"Scsi to host system interface failure"},
324 {0x55,0x00,P,"System resource failure"},
325 {0x57,0x00,R,"Unable to recover table-of-contents"},
326 {0x58,0x00,O,"Generation does not exist"},
327 {0x59,0x00,O,"Updated block read"},
328 {0x5A,0x00,D|T|L|P|W|R|S|O|M,"Operator request or state change input (unspecified)"},
329 {0x5A,0x01,D|T|W|R|O|M,"Operator medium removal request"},
330 {0x5A,0x02,D|T|W|O,"Operator selected write protect"},
331 {0x5A,0x03,D|T|W|O,"Operator selected write permit"},
332 {0x5B,0x00,D|T|L|P|W|R|S|O|M,"Log exception"},
333 {0x5B,0x01,D|T|L|P|W|R|S|O|M,"Threshold condition met"},
334 {0x5B,0x02,D|T|L|P|W|R|S|O|M,"Log counter at maximum"},
335 {0x5B,0x03,D|T|L|P|W|R|S|O|M,"Log list codes exhausted"},
336 {0x5C,0x00,D|O,"Rpl status change"},
337 {0x5C,0x01,D|O,"Spindles synchronized"},
338 {0x5C,0x02,D|O,"Spindles not synchronized"},
339 {0x60,0x00,S,"Lamp failure"},
340 {0x61,0x00,S,"Video acquisition error"},
341 {0x61,0x01,S,"Unable to acquire video"},
342 {0x61,0x02,S,"Out of focus"},
343 {0x62,0x00,S,"Scan head positioning error"},
344 {0x63,0x00,R,"End of user area encountered on this track"},
345 {0x64,0x00,R,"Illegal mode for this track"},
346 {0, 0, 0, NULL}
347 };
348 #endif
349
350 #if (CONSTANTS & CONST_SENSE)
351 static char *snstext[] = {
352 "None","Recovered Error","Not Ready","Medium Error","Hardware Error",
353 "Illegal Request","Unit Attention","Data Protect","Blank Check",
354 "Key=E","Key=F","Filemark","End-Of-Medium","Incorrect Block Length",
355 "14","15"};
356 #endif
357
358
359
360 void print_sense(char * devclass, Scsi_Cmnd * SCpnt)
361 {
362 int i, s;
363 int sense_class, valid, code;
364 unsigned char * sense_buffer = SCpnt->sense_buffer;
365 char * error = NULL;
366 int dev = SCpnt->request.dev;
367
368 sense_class = (sense_buffer[0] >> 4) & 0x07;
369 code = sense_buffer[0] & 0xf;
370 valid = sense_buffer[0] & 0x80;
371
372 if (sense_class == 7) {
373 s = sense_buffer[7] + 8;
374 if(s > sizeof(SCpnt->sense_buffer)) s = sizeof(SCpnt->sense_buffer);
375
376 if (!valid)
377 printk("extra data not valid ");
378
379 if (sense_buffer[2] & 0x80) printk( "FMK ");
380 if (sense_buffer[2] & 0x40) printk( "EOM ");
381 if (sense_buffer[2] & 0x20) printk( "ILI ");
382
383 switch (code) {
384 case 0x0:
385 error = "Current";
386 break;
387 case 0x1:
388 error = "Deferred";
389 break;
390 default:
391 error = "Invalid";
392 }
393
394 printk("%s error ", error);
395
396 #if (CONSTANTS & CONST_SENSE)
397 if (sense_buffer[2] & 0x80) printk( "FMK ");
398 if (sense_buffer[2] & 0x40) printk( "EOM ");
399 if (sense_buffer[2] & 0x20) printk( "ILI ");
400 printk( "%s%x: sense key %s\n", devclass, dev, snstext[sense_buffer[2] & 0x0f]);
401 #else
402 printk("%s%x: sns = %2x %2x\n", devclass, dev, sense_buffer[0], sense_buffer[2]);
403 #endif
404
405
406 if(sense_buffer[7] + 7 < 13 ||
407 (sense_buffer[12] == 0 && sense_buffer[13] == 0)) goto done;
408
409 #if (CONSTANTS & CONST_XSENSE)
410 for(i=0; additional[i].text; i++)
411 if(additional[i].code1 == sense_buffer[12] &&
412 additional[i].code2 == sense_buffer[13])
413 printk("Additional sense indicates %s\n", additional[i].text);
414
415 for(i=0; additional2[i].text; i++)
416 if(additional2[i].code1 == sense_buffer[12] &&
417 additional2[i].code2_min >= sense_buffer[13] &&
418 additional2[i].code2_max <= sense_buffer[13]) {
419 printk("Additional sense indicates ");
420 printk(additional2[i].text, sense_buffer[13]);
421 printk("\n");
422 };
423 #else
424 printk("ASC=%2x ASCQ=%2x\n", sense_buffer[12], sense_buffer[13]);
425 #endif
426 } else {
427
428 #if (CONSTANTS & CONST_SENSE)
429 if (sense_buffer[0] < 15)
430 printk("%s%x: old sense key %s\n", devclass, dev, snstext[sense_buffer[0] & 0x0f]);
431 else
432 #endif
433 printk("%s%x: sns = %2x %2x\n", devclass, dev, sense_buffer[0], sense_buffer[2]);
434
435 printk("Non-extended sense class %d code 0x%0x ", sense_class, code);
436 s = 4;
437 }
438
439 done:
440 for (i = 0; i < s; ++i)
441 printk("0x%02x ", sense_buffer[i]);
442
443 return;
444 }
445
446 #if (CONSTANTS & CONST_MSG)
447 static const char *one_byte_msgs[] = {
448 "Command Complete", NULL, "Save Pointers",
449 "Restore Pointers", "Disconnect", "Initiator Error",
450 "Abort", "Message Reject", "Nop", "Message Parity Error",
451 "Linked Command Complete", "Linked Command Complete w/flag",
452 "Bus device reset", "Abort Tag", "Clear Queue",
453 "Initiate Recovery", "Release Recovery"
454 }
455
456 #define NO_ONE_BYTE_MSGS (sizeof(one_byte_msgs) / sizeof (const char *))
457
458 static const char *queue_tag_msgs[] = {
459 "Simple Queue Tag", "Head of Queue Tag", "Ordered Queue Tag"
460 "Ignore Wide Residue"
461 }
462
463 #define NO_TWO_BYTE_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
464
465 static const char *extended_msgs[] = {
466 "Modify Data Pointer", "Synchronous Data Transfer Request",
467 "SCSI-I Extended Identify", "Wide Data Transfer Reqeust"
468 };
469
470 #define NO_EXTENDED_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
471 #endif
472
473 int print_msg (const unsigned char *msg) {
474 int len = 0, i;
475 if (msg[0] == EXTENDED_MESSAGE) {
476 len = 3 + msg[1];
477 #if (CONSTANTS & CONST_MSG)
478 printk("Extended Message code %s arguments ",
479 (msg[2] < NO_EXTENDED_MESSAGES) ?
480 printk("%s " extended_msgs[msg[2]]),
481 reserved);
482 for (i = 3; i < msg[1]; ++i)
483 #else
484 for (i = 0; i < msg[1]; ++i)
485 #endif
486 printk("%02x ", msg[i]);
487
488 } else if (msg[0] & 0x80) {
489 #if (CONSTANTS & CONST_MSG)
490 printk("Identify disconnect %sallowed %s %d ",
491 (msg[0] & 0x40) ? "" : "not ",
492 (msg[0] & 0x20) ? "target routine" : "lun",
493 msg[0] & 0x7);
494 #else
495 printk("%02x ", msg[0]);
496 #endif
497 len = 1;
498
499 } else if (msg[0] < 0x1f) {
500 #if (CONSTANTS & CONST_MSG)
501 if (msg[0] < NO_ONE_BYTE_MSGS)
502 printk(one_byte_msgs[msg[0]]);
503 else
504 printk("reserved (%02x) ", msg[0]);
505 #else
506 printk("%02x ", msg[0]);
507 #endif
508 len = 1;
509
510 } else if (msg[0] <= 0x2f) {
511 #if (CONSTANTS & CONST_MSG)
512 if ((msg[0] - 0x20) < NO_TWO_BYTE_MESSAGES)
513 printk("%s %02x ", two_byte_msgs[msg[0] - 0x20],
514 msg[1]);
515 else
516 printk("reserved two byte (%02x %02x) ",
517 msg[0], msg[1]);
518 #else
519 printk("%02x %02x", msg[0], msg[1]);
520 #endif
521 len = 2;
522 } else
523 #if (CONSTANTS & CONST_MSG)
524 printk(reserved);
525 #else
526 printk("%02x ", msg[0]);
527 #endif
528 return len;
529 }
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