aboutsummaryrefslogblamecommitdiffstats
path: root/drivers/message/i2o/debug.c
blob: 018ca887ca8561e9f5f81b5e113587206fb3eb5b (plain) (tree)
1
2
3
4
5
6
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478





                         
















                                                             






































































































































































































































































































































































































































































                                                                                
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/i2o.h>

static void i2o_report_util_cmd(u8 cmd);
static void i2o_report_exec_cmd(u8 cmd);
static void i2o_report_fail_status(u8 req_status, u32 * msg);
static void i2o_report_common_status(u8 req_status);
static void i2o_report_common_dsc(u16 detailed_status);

/*
 * Used for error reporting/debugging purposes.
 * Report Cmd name, Request status, Detailed Status.
 */
void i2o_report_status(const char *severity, const char *str,
		       struct i2o_message *m)
{
	u32 *msg = (u32 *) m;
	u8 cmd = (msg[1] >> 24) & 0xFF;
	u8 req_status = (msg[4] >> 24) & 0xFF;
	u16 detailed_status = msg[4] & 0xFFFF;

	if (cmd == I2O_CMD_UTIL_EVT_REGISTER)
		return;		// No status in this reply

	printk(KERN_DEBUG "%s%s: ", severity, str);

	if (cmd < 0x1F)		// Utility cmd
		i2o_report_util_cmd(cmd);

	else if (cmd >= 0xA0 && cmd <= 0xEF)	// Executive cmd
		i2o_report_exec_cmd(cmd);
	else
		printk(KERN_DEBUG "Cmd = %0#2x, ", cmd);	// Other cmds

	if (msg[0] & MSG_FAIL) {
		i2o_report_fail_status(req_status, msg);
		return;
	}

	i2o_report_common_status(req_status);

	if (cmd < 0x1F || (cmd >= 0xA0 && cmd <= 0xEF))
		i2o_report_common_dsc(detailed_status);
	else
		printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
		       detailed_status);
}

/* Used to dump a message to syslog during debugging */
void i2o_dump_message(struct i2o_message *m)
{
#ifdef DEBUG
	u32 *msg = (u32 *) m;
	int i;
	printk(KERN_INFO "Dumping I2O message size %d @ %p\n",
	       msg[0] >> 16 & 0xffff, msg);
	for (i = 0; i < ((msg[0] >> 16) & 0xffff); i++)
		printk(KERN_INFO "  msg[%d] = %0#10x\n", i, msg[i]);
#endif
}

/*
 * Used for error reporting/debugging purposes.
 * Following fail status are common to all classes.
 * The preserved message must be handled in the reply handler.
 */
static void i2o_report_fail_status(u8 req_status, u32 * msg)
{
	static char *FAIL_STATUS[] = {
		"0x80",		/* not used */
		"SERVICE_SUSPENDED",	/* 0x81 */
		"SERVICE_TERMINATED",	/* 0x82 */
		"CONGESTION",
		"FAILURE",
		"STATE_ERROR",
		"TIME_OUT",
		"ROUTING_FAILURE",
		"INVALID_VERSION",
		"INVALID_OFFSET",
		"INVALID_MSG_FLAGS",
		"FRAME_TOO_SMALL",
		"FRAME_TOO_LARGE",
		"INVALID_TARGET_ID",
		"INVALID_INITIATOR_ID",
		"INVALID_INITIATOR_CONTEX",	/* 0x8F */
		"UNKNOWN_FAILURE"	/* 0xFF */
	};

	if (req_status == I2O_FSC_TRANSPORT_UNKNOWN_FAILURE)
		printk(KERN_DEBUG "TRANSPORT_UNKNOWN_FAILURE (%0#2x)\n.",
		       req_status);
	else
		printk(KERN_DEBUG "TRANSPORT_%s.\n",
		       FAIL_STATUS[req_status & 0x0F]);

	/* Dump some details */

	printk(KERN_ERR "  InitiatorId = %d, TargetId = %d\n",
	       (msg[1] >> 12) & 0xFFF, msg[1] & 0xFFF);
	printk(KERN_ERR "  LowestVersion = 0x%02X, HighestVersion = 0x%02X\n",
	       (msg[4] >> 8) & 0xFF, msg[4] & 0xFF);
	printk(KERN_ERR "  FailingHostUnit = 0x%04X,  FailingIOP = 0x%03X\n",
	       msg[5] >> 16, msg[5] & 0xFFF);

	printk(KERN_ERR "  Severity:  0x%02X ", (msg[4] >> 16) & 0xFF);
	if (msg[4] & (1 << 16))
		printk(KERN_DEBUG "(FormatError), "
		       "this msg can never be delivered/processed.\n");
	if (msg[4] & (1 << 17))
		printk(KERN_DEBUG "(PathError), "
		       "this msg can no longer be delivered/processed.\n");
	if (msg[4] & (1 << 18))
		printk(KERN_DEBUG "(PathState), "
		       "the system state does not allow delivery.\n");
	if (msg[4] & (1 << 19))
		printk(KERN_DEBUG
		       "(Congestion), resources temporarily not available;"
		       "do not retry immediately.\n");
}

/*
 * Used for error reporting/debugging purposes.
 * Following reply status are common to all classes.
 */
static void i2o_report_common_status(u8 req_status)
{
	static char *REPLY_STATUS[] = {
		"SUCCESS",
		"ABORT_DIRTY",
		"ABORT_NO_DATA_TRANSFER",
		"ABORT_PARTIAL_TRANSFER",
		"ERROR_DIRTY",
		"ERROR_NO_DATA_TRANSFER",
		"ERROR_PARTIAL_TRANSFER",
		"PROCESS_ABORT_DIRTY",
		"PROCESS_ABORT_NO_DATA_TRANSFER",
		"PROCESS_ABORT_PARTIAL_TRANSFER",
		"TRANSACTION_ERROR",
		"PROGRESS_REPORT"
	};

	if (req_status >= ARRAY_SIZE(REPLY_STATUS))
		printk(KERN_DEBUG "RequestStatus = %0#2x", req_status);
	else
		printk(KERN_DEBUG "%s", REPLY_STATUS[req_status]);
}

/*
 * Used for error reporting/debugging purposes.
 * Following detailed status are valid  for executive class,
 * utility class, DDM class and for transaction error replies.
 */
static void i2o_report_common_dsc(u16 detailed_status)
{
	static char *COMMON_DSC[] = {
		"SUCCESS",
		"0x01",		// not used
		"BAD_KEY",
		"TCL_ERROR",
		"REPLY_BUFFER_FULL",
		"NO_SUCH_PAGE",
		"INSUFFICIENT_RESOURCE_SOFT",
		"INSUFFICIENT_RESOURCE_HARD",
		"0x08",		// not used
		"CHAIN_BUFFER_TOO_LARGE",
		"UNSUPPORTED_FUNCTION",
		"DEVICE_LOCKED",
		"DEVICE_RESET",
		"INAPPROPRIATE_FUNCTION",
		"INVALID_INITIATOR_ADDRESS",
		"INVALID_MESSAGE_FLAGS",
		"INVALID_OFFSET",
		"INVALID_PARAMETER",
		"INVALID_REQUEST",
		"INVALID_TARGET_ADDRESS",
		"MESSAGE_TOO_LARGE",
		"MESSAGE_TOO_SMALL",
		"MISSING_PARAMETER",
		"TIMEOUT",
		"UNKNOWN_ERROR",
		"UNKNOWN_FUNCTION",
		"UNSUPPORTED_VERSION",
		"DEVICE_BUSY",
		"DEVICE_NOT_AVAILABLE"
	};

	if (detailed_status > I2O_DSC_DEVICE_NOT_AVAILABLE)
		printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
		       detailed_status);
	else
		printk(KERN_DEBUG " / %s.\n", COMMON_DSC[detailed_status]);
}

/*
 * Used for error reporting/debugging purposes
 */
static void i2o_report_util_cmd(u8 cmd)
{
	switch (cmd) {
	case I2O_CMD_UTIL_NOP:
		printk(KERN_DEBUG "UTIL_NOP, ");
		break;
	case I2O_CMD_UTIL_ABORT:
		printk(KERN_DEBUG "UTIL_ABORT, ");
		break;
	case I2O_CMD_UTIL_CLAIM:
		printk(KERN_DEBUG "UTIL_CLAIM, ");
		break;
	case I2O_CMD_UTIL_RELEASE:
		printk(KERN_DEBUG "UTIL_CLAIM_RELEASE, ");
		break;
	case I2O_CMD_UTIL_CONFIG_DIALOG:
		printk(KERN_DEBUG "UTIL_CONFIG_DIALOG, ");
		break;
	case I2O_CMD_UTIL_DEVICE_RESERVE:
		printk(KERN_DEBUG "UTIL_DEVICE_RESERVE, ");
		break;
	case I2O_CMD_UTIL_DEVICE_RELEASE:
		printk(KERN_DEBUG "UTIL_DEVICE_RELEASE, ");
		break;
	case I2O_CMD_UTIL_EVT_ACK:
		printk(KERN_DEBUG "UTIL_EVENT_ACKNOWLEDGE, ");
		break;
	case I2O_CMD_UTIL_EVT_REGISTER:
		printk(KERN_DEBUG "UTIL_EVENT_REGISTER, ");
		break;
	case I2O_CMD_UTIL_LOCK:
		printk(KERN_DEBUG "UTIL_LOCK, ");
		break;
	case I2O_CMD_UTIL_LOCK_RELEASE:
		printk(KERN_DEBUG "UTIL_LOCK_RELEASE, ");
		break;
	case I2O_CMD_UTIL_PARAMS_GET:
		printk(KERN_DEBUG "UTIL_PARAMS_GET, ");
		break;
	case I2O_CMD_UTIL_PARAMS_SET:
		printk(KERN_DEBUG "UTIL_PARAMS_SET, ");
		break;
	case I2O_CMD_UTIL_REPLY_FAULT_NOTIFY:
		printk(KERN_DEBUG "UTIL_REPLY_FAULT_NOTIFY, ");
		break;
	default:
		printk(KERN_DEBUG "Cmd = %0#2x, ", cmd);
	}
}

/*
 * Used for error reporting/debugging purposes
 */
static void i2o_report_exec_cmd(u8 cmd)
{
	switch (cmd) {
	case I2O_CMD_ADAPTER_ASSIGN:
		printk(KERN_DEBUG "EXEC_ADAPTER_ASSIGN, ");
		break;
	case I2O_CMD_ADAPTER_READ:
		printk(KERN_DEBUG "EXEC_ADAPTER_READ, ");
		break;
	case I2O_CMD_ADAPTER_RELEASE:
		printk(KERN_DEBUG "EXEC_ADAPTER_RELEASE, ");
		break;
	case I2O_CMD_BIOS_INFO_SET:
		printk(KERN_DEBUG "EXEC_BIOS_INFO_SET, ");
		break;
	case I2O_CMD_BOOT_DEVICE_SET:
		printk(KERN_DEBUG "EXEC_BOOT_DEVICE_SET, ");
		break;
	case I2O_CMD_CONFIG_VALIDATE:
		printk(KERN_DEBUG "EXEC_CONFIG_VALIDATE, ");
		break;
	case I2O_CMD_CONN_SETUP:
		printk(KERN_DEBUG "EXEC_CONN_SETUP, ");
		break;
	case I2O_CMD_DDM_DESTROY:
		printk(KERN_DEBUG "EXEC_DDM_DESTROY, ");
		break;
	case I2O_CMD_DDM_ENABLE:
		printk(KERN_DEBUG "EXEC_DDM_ENABLE, ");
		break;
	case I2O_CMD_DDM_QUIESCE:
		printk(KERN_DEBUG "EXEC_DDM_QUIESCE, ");
		break;
	case I2O_CMD_DDM_RESET:
		printk(KERN_DEBUG "EXEC_DDM_RESET, ");
		break;
	case I2O_CMD_DDM_SUSPEND:
		printk(KERN_DEBUG "EXEC_DDM_SUSPEND, ");
		break;
	case I2O_CMD_DEVICE_ASSIGN:
		printk(KERN_DEBUG "EXEC_DEVICE_ASSIGN, ");
		break;
	case I2O_CMD_DEVICE_RELEASE:
		printk(KERN_DEBUG "EXEC_DEVICE_RELEASE, ");
		break;
	case I2O_CMD_HRT_GET:
		printk(KERN_DEBUG "EXEC_HRT_GET, ");
		break;
	case I2O_CMD_ADAPTER_CLEAR:
		printk(KERN_DEBUG "EXEC_IOP_CLEAR, ");
		break;
	case I2O_CMD_ADAPTER_CONNECT:
		printk(KERN_DEBUG "EXEC_IOP_CONNECT, ");
		break;
	case I2O_CMD_ADAPTER_RESET:
		printk(KERN_DEBUG "EXEC_IOP_RESET, ");
		break;
	case I2O_CMD_LCT_NOTIFY:
		printk(KERN_DEBUG "EXEC_LCT_NOTIFY, ");
		break;
	case I2O_CMD_OUTBOUND_INIT:
		printk(KERN_DEBUG "EXEC_OUTBOUND_INIT, ");
		break;
	case I2O_CMD_PATH_ENABLE:
		printk(KERN_DEBUG "EXEC_PATH_ENABLE, ");
		break;
	case I2O_CMD_PATH_QUIESCE:
		printk(KERN_DEBUG "EXEC_PATH_QUIESCE, ");
		break;
	case I2O_CMD_PATH_RESET:
		printk(KERN_DEBUG "EXEC_PATH_RESET, ");
		break;
	case I2O_CMD_STATIC_MF_CREATE:
		printk(KERN_DEBUG "EXEC_STATIC_MF_CREATE, ");
		break;
	case I2O_CMD_STATIC_MF_RELEASE:
		printk(KERN_DEBUG "EXEC_STATIC_MF_RELEASE, ");
		break;
	case I2O_CMD_STATUS_GET:
		printk(KERN_DEBUG "EXEC_STATUS_GET, ");
		break;
	case I2O_CMD_SW_DOWNLOAD:
		printk(KERN_DEBUG "EXEC_SW_DOWNLOAD, ");
		break;
	case I2O_CMD_SW_UPLOAD:
		printk(KERN_DEBUG "EXEC_SW_UPLOAD, ");
		break;
	case I2O_CMD_SW_REMOVE:
		printk(KERN_DEBUG "EXEC_SW_REMOVE, ");
		break;
	case I2O_CMD_SYS_ENABLE:
		printk(KERN_DEBUG "EXEC_SYS_ENABLE, ");
		break;
	case I2O_CMD_SYS_MODIFY:
		printk(KERN_DEBUG "EXEC_SYS_MODIFY, ");
		break;
	case I2O_CMD_SYS_QUIESCE:
		printk(KERN_DEBUG "EXEC_SYS_QUIESCE, ");
		break;
	case I2O_CMD_SYS_TAB_SET:
		printk(KERN_DEBUG "EXEC_SYS_TAB_SET, ");
		break;
	default:
		printk(KERN_DEBUG "Cmd = %#02x, ", cmd);
	}
}

void i2o_debug_state(struct i2o_controller *c)
{
	printk(KERN_INFO "%s: State = ", c->name);
	switch (((i2o_status_block *) c->status_block.virt)->iop_state) {
	case 0x01:
		printk(KERN_DEBUG "INIT\n");
		break;
	case 0x02:
		printk(KERN_DEBUG "RESET\n");
		break;
	case 0x04:
		printk(KERN_DEBUG "HOLD\n");
		break;
	case 0x05:
		printk(KERN_DEBUG "READY\n");
		break;
	case 0x08:
		printk(KERN_DEBUG "OPERATIONAL\n");
		break;
	case 0x10:
		printk(KERN_DEBUG "FAILED\n");
		break;
	case 0x11:
		printk(KERN_DEBUG "FAULTED\n");
		break;
	default:
		printk(KERN_DEBUG "%x (unknown !!)\n",
		       ((i2o_status_block *) c->status_block.virt)->iop_state);
	}
};

void i2o_dump_hrt(struct i2o_controller *c)
{
	u32 *rows = (u32 *) c->hrt.virt;
	u8 *p = (u8 *) c->hrt.virt;
	u8 *d;
	int count;
	int length;
	int i;
	int state;

	if (p[3] != 0) {
		printk(KERN_ERR
		       "%s: HRT table for controller is too new a version.\n",
		       c->name);
		return;
	}

	count = p[0] | (p[1] << 8);
	length = p[2];

	printk(KERN_INFO "%s: HRT has %d entries of %d bytes each.\n",
	       c->name, count, length << 2);

	rows += 2;

	for (i = 0; i < count; i++) {
		printk(KERN_INFO "Adapter %08X: ", rows[0]);
		p = (u8 *) (rows + 1);
		d = (u8 *) (rows + 2);
		state = p[1] << 8 | p[0];

		printk(KERN_DEBUG "TID %04X:[", state & 0xFFF);
		state >>= 12;
		if (state & (1 << 0))
			printk(KERN_DEBUG "H");	/* Hidden */
		if (state & (1 << 2)) {
			printk(KERN_DEBUG "P");	/* Present */
			if (state & (1 << 1))
				printk(KERN_DEBUG "C");	/* Controlled */
		}
		if (state > 9)
			printk(KERN_DEBUG "*");	/* Hard */

		printk(KERN_DEBUG "]:");

		switch (p[3] & 0xFFFF) {
		case 0:
			/* Adapter private bus - easy */
			printk(KERN_DEBUG
			       "Local bus %d: I/O at 0x%04X Mem 0x%08X", p[2],
			       d[1] << 8 | d[0], *(u32 *) (d + 4));
			break;
		case 1:
			/* ISA bus */
			printk(KERN_DEBUG
			       "ISA %d: CSN %d I/O at 0x%04X Mem 0x%08X", p[2],
			       d[2], d[1] << 8 | d[0], *(u32 *) (d + 4));
			break;

		case 2:	/* EISA bus */
			printk(KERN_DEBUG
			       "EISA %d: Slot %d I/O at 0x%04X Mem 0x%08X",
			       p[2], d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
			break;

		case 3:	/* MCA bus */
			printk(KERN_DEBUG
			       "MCA %d: Slot %d I/O at 0x%04X Mem 0x%08X", p[2],
			       d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
			break;

		case 4:	/* PCI bus */
			printk(KERN_DEBUG
			       "PCI %d: Bus %d Device %d Function %d", p[2],
			       d[2], d[1], d[0]);
			break;

		case 0x80:	/* Other */
		default:
			printk(KERN_DEBUG "Unsupported bus type.");
			break;
		}
		printk(KERN_DEBUG "\n");
		rows += length;
	}
}

EXPORT_SYMBOL(i2o_dump_message);