1/*
   2 *	procfs handler for Linux I2O subsystem
   3 *
   4 *	(c) Copyright 1999	Deepak Saxena
   5 *
   6 *	Originally written by Deepak Saxena(deepak@plexity.net)
   7 *
   8 *	This program is free software; you can redistribute it and/or modify it
   9 *	under the terms of the GNU General Public License as published by the
  10 *	Free Software Foundation; either version 2 of the License, or (at your
  11 *	option) any later version.
  12 *
  13 *	This is an initial test release. The code is based on the design of the
  14 *	ide procfs system (drivers/block/ide-proc.c). Some code taken from
  15 *	i2o-core module by Alan Cox.
  16 *
  17 *	DISCLAIMER: This code is still under development/test and may cause
  18 *	your system to behave unpredictably.  Use at your own discretion.
  19 *
  20 *
  21 *	Fixes/additions:
  22 *		Juha Sievänen (Juha.Sievanen@cs.Helsinki.FI),
  23 *		Auvo Häkkinen (Auvo.Hakkinen@cs.Helsinki.FI)
  24 *		University of Helsinki, Department of Computer Science
  25 *			LAN entries
  26 *		Markus Lidel <Markus.Lidel@shadowconnect.com>
  27 *			Changes for new I2O API
  28 */
  29
  30#define OSM_NAME	"proc-osm"
  31#define OSM_VERSION	"1.316"
  32#define OSM_DESCRIPTION	"I2O ProcFS OSM"
  33
  34#define I2O_MAX_MODULES 4
  35// FIXME!
  36#define FMT_U64_HEX "0x%08x%08x"
  37#define U64_VAL(pu64) *((u32*)(pu64)+1), *((u32*)(pu64))
  38
  39#include <linux/types.h>
  40#include <linux/kernel.h>
  41#include <linux/pci.h>
  42#include <linux/i2o.h>
  43#include <linux/slab.h>
  44#include <linux/proc_fs.h>
  45#include <linux/seq_file.h>
  46#include <linux/init.h>
  47#include <linux/module.h>
  48#include <linux/errno.h>
  49#include <linux/spinlock.h>
  50#include <linux/workqueue.h>
  51
  52#include <asm/io.h>
  53#include <asm/uaccess.h>
  54#include <asm/byteorder.h>
  55
  56/* Structure used to define /proc entries */
  57typedef struct _i2o_proc_entry_t {
  58	char *name;		/* entry name */
  59	mode_t mode;		/* mode */
  60	const struct file_operations *fops;	/* open function */
  61} i2o_proc_entry;
  62
  63/* global I2O /proc/i2o entry */
  64static struct proc_dir_entry *i2o_proc_dir_root;
  65
  66/* proc OSM driver struct */
  67static struct i2o_driver i2o_proc_driver = {
  68	.name = OSM_NAME,
  69};
  70
  71static int print_serial_number(struct seq_file *seq, u8 * serialno, int max_len)
  72{
  73	int i;
  74
  75	/* 19990419 -sralston
  76	 *      The I2O v1.5 (and v2.0 so far) "official specification"
  77	 *      got serial numbers WRONG!
  78	 *      Apparently, and despite what Section 3.4.4 says and
  79	 *      Figure 3-35 shows (pg 3-39 in the pdf doc),
  80	 *      the convention / consensus seems to be:
  81	 *        + First byte is SNFormat
  82	 *        + Second byte is SNLen (but only if SNFormat==7 (?))
  83	 *        + (v2.0) SCSI+BS may use IEEE Registered (64 or 128 bit) format
  84	 */
  85	switch (serialno[0]) {
  86	case I2O_SNFORMAT_BINARY:	/* Binary */
  87		seq_printf(seq, "0x");
  88		for (i = 0; i < serialno[1]; i++) {
  89			seq_printf(seq, "%02X", serialno[2 + i]);
  90		}
  91		break;
  92
  93	case I2O_SNFORMAT_ASCII:	/* ASCII */
  94		if (serialno[1] < ' ') {	/* printable or SNLen? */
  95			/* sanity */
  96			max_len =
  97			    (max_len < serialno[1]) ? max_len : serialno[1];
  98			serialno[1 + max_len] = '\0';
  99
 100			/* just print it */
 101			seq_printf(seq, "%s", &serialno[2]);
 102		} else {
 103			/* print chars for specified length */
 104			for (i = 0; i < serialno[1]; i++) {
 105				seq_printf(seq, "%c", serialno[2 + i]);
 106			}
 107		}
 108		break;
 109
 110	case I2O_SNFORMAT_UNICODE:	/* UNICODE */
 111		seq_printf(seq, "UNICODE Format.  Can't Display\n");
 112		break;
 113
 114	case I2O_SNFORMAT_LAN48_MAC:	/* LAN-48 MAC Address */
 115		seq_printf(seq, "LAN-48 MAC address @ %pM", &serialno[2]);
 116		break;
 117
 118	case I2O_SNFORMAT_WAN:	/* WAN MAC Address */
 119		/* FIXME: Figure out what a WAN access address looks like?? */
 120		seq_printf(seq, "WAN Access Address");
 121		break;
 122
 123/* plus new in v2.0 */
 124	case I2O_SNFORMAT_LAN64_MAC:	/* LAN-64 MAC Address */
 125		/* FIXME: Figure out what a LAN-64 address really looks like?? */
 126		seq_printf(seq,
 127			   "LAN-64 MAC address @ [?:%02X:%02X:?] %pM",
 128			   serialno[8], serialno[9], &serialno[2]);
 129		break;
 130
 131	case I2O_SNFORMAT_DDM:	/* I2O DDM */
 132		seq_printf(seq,
 133			   "DDM: Tid=%03Xh, Rsvd=%04Xh, OrgId=%04Xh",
 134			   *(u16 *) & serialno[2],
 135			   *(u16 *) & serialno[4], *(u16 *) & serialno[6]);
 136		break;
 137
 138	case I2O_SNFORMAT_IEEE_REG64:	/* IEEE Registered (64-bit) */
 139	case I2O_SNFORMAT_IEEE_REG128:	/* IEEE Registered (128-bit) */
 140		/* FIXME: Figure if this is even close?? */
 141		seq_printf(seq,
 142			   "IEEE NodeName(hi,lo)=(%08Xh:%08Xh), PortName(hi,lo)=(%08Xh:%08Xh)\n",
 143			   *(u32 *) & serialno[2],
 144			   *(u32 *) & serialno[6],
 145			   *(u32 *) & serialno[10], *(u32 *) & serialno[14]);
 146		break;
 147
 148	case I2O_SNFORMAT_UNKNOWN:	/* Unknown 0    */
 149	case I2O_SNFORMAT_UNKNOWN2:	/* Unknown 0xff */
 150	default:
 151		seq_printf(seq, "Unknown data format (0x%02x)", serialno[0]);
 152		break;
 153	}
 154
 155	return 0;
 156}
 157
 158/**
 159 *	i2o_get_class_name - 	do i2o class name lookup
 160 *	@class: class number
 161 *
 162 *	Return a descriptive string for an i2o class.
 163 */
 164static const char *i2o_get_class_name(int class)
 165{
 166	int idx = 16;
 167	static char *i2o_class_name[] = {
 168		"Executive",
 169		"Device Driver Module",
 170		"Block Device",
 171		"Tape Device",
 172		"LAN Interface",
 173		"WAN Interface",
 174		"Fibre Channel Port",
 175		"Fibre Channel Device",
 176		"SCSI Device",
 177		"ATE Port",
 178		"ATE Device",
 179		"Floppy Controller",
 180		"Floppy Device",
 181		"Secondary Bus Port",
 182		"Peer Transport Agent",
 183		"Peer Transport",
 184		"Unknown"
 185	};
 186
 187	switch (class & 0xfff) {
 188	case I2O_CLASS_EXECUTIVE:
 189		idx = 0;
 190		break;
 191	case I2O_CLASS_DDM:
 192		idx = 1;
 193		break;
 194	case I2O_CLASS_RANDOM_BLOCK_STORAGE:
 195		idx = 2;
 196		break;
 197	case I2O_CLASS_SEQUENTIAL_STORAGE:
 198		idx = 3;
 199		break;
 200	case I2O_CLASS_LAN:
 201		idx = 4;
 202		break;
 203	case I2O_CLASS_WAN:
 204		idx = 5;
 205		break;
 206	case I2O_CLASS_FIBRE_CHANNEL_PORT:
 207		idx = 6;
 208		break;
 209	case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
 210		idx = 7;
 211		break;
 212	case I2O_CLASS_SCSI_PERIPHERAL:
 213		idx = 8;
 214		break;
 215	case I2O_CLASS_ATE_PORT:
 216		idx = 9;
 217		break;
 218	case I2O_CLASS_ATE_PERIPHERAL:
 219		idx = 10;
 220		break;
 221	case I2O_CLASS_FLOPPY_CONTROLLER:
 222		idx = 11;
 223		break;
 224	case I2O_CLASS_FLOPPY_DEVICE:
 225		idx = 12;
 226		break;
 227	case I2O_CLASS_BUS_ADAPTER:
 228		idx = 13;
 229		break;
 230	case I2O_CLASS_PEER_TRANSPORT_AGENT:
 231		idx = 14;
 232		break;
 233	case I2O_CLASS_PEER_TRANSPORT:
 234		idx = 15;
 235		break;
 236	}
 237
 238	return i2o_class_name[idx];
 239}
 240
 241#define SCSI_TABLE_SIZE	13
 242static char *scsi_devices[] = {
 243	"Direct-Access Read/Write",
 244	"Sequential-Access Storage",
 245	"Printer",
 246	"Processor",
 247	"WORM Device",
 248	"CD-ROM Device",
 249	"Scanner Device",
 250	"Optical Memory Device",
 251	"Medium Changer Device",
 252	"Communications Device",
 253	"Graphics Art Pre-Press Device",
 254	"Graphics Art Pre-Press Device",
 255	"Array Controller Device"
 256};
 257
 258static char *chtostr(u8 * chars, int n)
 259{
 260	char tmp[256];
 261	tmp[0] = 0;
 262	return strncat(tmp, (char *)chars, n);
 263}
 264
 265static int i2o_report_query_status(struct seq_file *seq, int block_status,
 266				   char *group)
 267{
 268	switch (block_status) {
 269	case -ETIMEDOUT:
 270		return seq_printf(seq, "Timeout reading group %s.\n", group);
 271	case -ENOMEM:
 272		return seq_printf(seq, "No free memory to read the table.\n");
 273	case -I2O_PARAMS_STATUS_INVALID_GROUP_ID:
 274		return seq_printf(seq, "Group %s not supported.\n", group);
 275	default:
 276		return seq_printf(seq,
 277				  "Error reading group %s. BlockStatus 0x%02X\n",
 278				  group, -block_status);
 279	}
 280}
 281
 282static char *bus_strings[] = {
 283	"Local Bus",
 284	"ISA",
 285	"EISA",
 286	"MCA",
 287	"PCI",
 288	"PCMCIA",
 289	"NUBUS",
 290	"CARDBUS"
 291};
 292
 293static int i2o_seq_show_hrt(struct seq_file *seq, void *v)
 294{
 295	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 296	i2o_hrt *hrt = (i2o_hrt *) c->hrt.virt;
 297	u32 bus;
 298	int i;
 299
 300	if (hrt->hrt_version) {
 301		seq_printf(seq,
 302			   "HRT table for controller is too new a version.\n");
 303		return 0;
 304	}
 305
 306	seq_printf(seq, "HRT has %d entries of %d bytes each.\n",
 307		   hrt->num_entries, hrt->entry_len << 2);
 308
 309	for (i = 0; i < hrt->num_entries; i++) {
 310		seq_printf(seq, "Entry %d:\n", i);
 311		seq_printf(seq, "   Adapter ID: %0#10x\n",
 312			   hrt->hrt_entry[i].adapter_id);
 313		seq_printf(seq, "   Controlling tid: %0#6x\n",
 314			   hrt->hrt_entry[i].parent_tid);
 315
 316		if (hrt->hrt_entry[i].bus_type != 0x80) {
 317			bus = hrt->hrt_entry[i].bus_type;
 318			seq_printf(seq, "   %s Information\n",
 319				   bus_strings[bus]);
 320
 321			switch (bus) {
 322			case I2O_BUS_LOCAL:
 323				seq_printf(seq, "     IOBase: %0#6x,",
 324					   hrt->hrt_entry[i].bus.local_bus.
 325					   LbBaseIOPort);
 326				seq_printf(seq, " MemoryBase: %0#10x\n",
 327					   hrt->hrt_entry[i].bus.local_bus.
 328					   LbBaseMemoryAddress);
 329				break;
 330
 331			case I2O_BUS_ISA:
 332				seq_printf(seq, "     IOBase: %0#6x,",
 333					   hrt->hrt_entry[i].bus.isa_bus.
 334					   IsaBaseIOPort);
 335				seq_printf(seq, " MemoryBase: %0#10x,",
 336					   hrt->hrt_entry[i].bus.isa_bus.
 337					   IsaBaseMemoryAddress);
 338				seq_printf(seq, " CSN: %0#4x,",
 339					   hrt->hrt_entry[i].bus.isa_bus.CSN);
 340				break;
 341
 342			case I2O_BUS_EISA:
 343				seq_printf(seq, "     IOBase: %0#6x,",
 344					   hrt->hrt_entry[i].bus.eisa_bus.
 345					   EisaBaseIOPort);
 346				seq_printf(seq, " MemoryBase: %0#10x,",
 347					   hrt->hrt_entry[i].bus.eisa_bus.
 348					   EisaBaseMemoryAddress);
 349				seq_printf(seq, " Slot: %0#4x,",
 350					   hrt->hrt_entry[i].bus.eisa_bus.
 351					   EisaSlotNumber);
 352				break;
 353
 354			case I2O_BUS_MCA:
 355				seq_printf(seq, "     IOBase: %0#6x,",
 356					   hrt->hrt_entry[i].bus.mca_bus.
 357					   McaBaseIOPort);
 358				seq_printf(seq, " MemoryBase: %0#10x,",
 359					   hrt->hrt_entry[i].bus.mca_bus.
 360					   McaBaseMemoryAddress);
 361				seq_printf(seq, " Slot: %0#4x,",
 362					   hrt->hrt_entry[i].bus.mca_bus.
 363					   McaSlotNumber);
 364				break;
 365
 366			case I2O_BUS_PCI:
 367				seq_printf(seq, "     Bus: %0#4x",
 368					   hrt->hrt_entry[i].bus.pci_bus.
 369					   PciBusNumber);
 370				seq_printf(seq, " Dev: %0#4x",
 371					   hrt->hrt_entry[i].bus.pci_bus.
 372					   PciDeviceNumber);
 373				seq_printf(seq, " Func: %0#4x",
 374					   hrt->hrt_entry[i].bus.pci_bus.
 375					   PciFunctionNumber);
 376				seq_printf(seq, " Vendor: %0#6x",
 377					   hrt->hrt_entry[i].bus.pci_bus.
 378					   PciVendorID);
 379				seq_printf(seq, " Device: %0#6x\n",
 380					   hrt->hrt_entry[i].bus.pci_bus.
 381					   PciDeviceID);
 382				break;
 383
 384			default:
 385				seq_printf(seq, "      Unsupported Bus Type\n");
 386			}
 387		} else
 388			seq_printf(seq, "   Unknown Bus Type\n");
 389	}
 390
 391	return 0;
 392}
 393
 394static int i2o_seq_show_lct(struct seq_file *seq, void *v)
 395{
 396	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 397	i2o_lct *lct = (i2o_lct *) c->lct;
 398	int entries;
 399	int i;
 400
 401#define BUS_TABLE_SIZE 3
 402	static char *bus_ports[] = {
 403		"Generic Bus",
 404		"SCSI Bus",
 405		"Fibre Channel Bus"
 406	};
 407
 408	entries = (lct->table_size - 3) / 9;
 409
 410	seq_printf(seq, "LCT contains %d %s\n", entries,
 411		   entries == 1 ? "entry" : "entries");
 412	if (lct->boot_tid)
 413		seq_printf(seq, "Boot Device @ ID %d\n", lct->boot_tid);
 414
 415	seq_printf(seq, "Current Change Indicator: %#10x\n", lct->change_ind);
 416
 417	for (i = 0; i < entries; i++) {
 418		seq_printf(seq, "Entry %d\n", i);
 419		seq_printf(seq, "  Class, SubClass  : %s",
 420			   i2o_get_class_name(lct->lct_entry[i].class_id));
 421
 422		/*
 423		 *      Classes which we'll print subclass info for
 424		 */
 425		switch (lct->lct_entry[i].class_id & 0xFFF) {
 426		case I2O_CLASS_RANDOM_BLOCK_STORAGE:
 427			switch (lct->lct_entry[i].sub_class) {
 428			case 0x00:
 429				seq_printf(seq, ", Direct-Access Read/Write");
 430				break;
 431
 432			case 0x04:
 433				seq_printf(seq, ", WORM Drive");
 434				break;
 435
 436			case 0x05:
 437				seq_printf(seq, ", CD-ROM Drive");
 438				break;
 439
 440			case 0x07:
 441				seq_printf(seq, ", Optical Memory Device");
 442				break;
 443
 444			default:
 445				seq_printf(seq, ", Unknown (0x%02x)",
 446					   lct->lct_entry[i].sub_class);
 447				break;
 448			}
 449			break;
 450
 451		case I2O_CLASS_LAN:
 452			switch (lct->lct_entry[i].sub_class & 0xFF) {
 453			case 0x30:
 454				seq_printf(seq, ", Ethernet");
 455				break;
 456
 457			case 0x40:
 458				seq_printf(seq, ", 100base VG");
 459				break;
 460
 461			case 0x50:
 462				seq_printf(seq, ", IEEE 802.5/Token-Ring");
 463				break;
 464
 465			case 0x60:
 466				seq_printf(seq, ", ANSI X3T9.5 FDDI");
 467				break;
 468
 469			case 0x70:
 470				seq_printf(seq, ", Fibre Channel");
 471				break;
 472
 473			default:
 474				seq_printf(seq, ", Unknown Sub-Class (0x%02x)",
 475					   lct->lct_entry[i].sub_class & 0xFF);
 476				break;
 477			}
 478			break;
 479
 480		case I2O_CLASS_SCSI_PERIPHERAL:
 481			if (lct->lct_entry[i].sub_class < SCSI_TABLE_SIZE)
 482				seq_printf(seq, ", %s",
 483					   scsi_devices[lct->lct_entry[i].
 484							sub_class]);
 485			else
 486				seq_printf(seq, ", Unknown Device Type");
 487			break;
 488
 489		case I2O_CLASS_BUS_ADAPTER:
 490			if (lct->lct_entry[i].sub_class < BUS_TABLE_SIZE)
 491				seq_printf(seq, ", %s",
 492					   bus_ports[lct->lct_entry[i].
 493						     sub_class]);
 494			else
 495				seq_printf(seq, ", Unknown Bus Type");
 496			break;
 497		}
 498		seq_printf(seq, "\n");
 499
 500		seq_printf(seq, "  Local TID        : 0x%03x\n",
 501			   lct->lct_entry[i].tid);
 502		seq_printf(seq, "  User TID         : 0x%03x\n",
 503			   lct->lct_entry[i].user_tid);
 504		seq_printf(seq, "  Parent TID       : 0x%03x\n",
 505			   lct->lct_entry[i].parent_tid);
 506		seq_printf(seq, "  Identity Tag     : 0x%x%x%x%x%x%x%x%x\n",
 507			   lct->lct_entry[i].identity_tag[0],
 508			   lct->lct_entry[i].identity_tag[1],
 509			   lct->lct_entry[i].identity_tag[2],
 510			   lct->lct_entry[i].identity_tag[3],
 511			   lct->lct_entry[i].identity_tag[4],
 512			   lct->lct_entry[i].identity_tag[5],
 513			   lct->lct_entry[i].identity_tag[6],
 514			   lct->lct_entry[i].identity_tag[7]);
 515		seq_printf(seq, "  Change Indicator : %0#10x\n",
 516			   lct->lct_entry[i].change_ind);
 517		seq_printf(seq, "  Event Capab Mask : %0#10x\n",
 518			   lct->lct_entry[i].device_flags);
 519	}
 520
 521	return 0;
 522}
 523
 524static int i2o_seq_show_status(struct seq_file *seq, void *v)
 525{
 526	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 527	char prodstr[25];
 528	int version;
 529	i2o_status_block *sb = c->status_block.virt;
 530
 531	i2o_status_get(c);	// reread the status block
 532
 533	seq_printf(seq, "Organization ID        : %0#6x\n", sb->org_id);
 534
 535	version = sb->i2o_version;
 536
 537/* FIXME for Spec 2.0
 538	if (version == 0x02) {
 539		seq_printf(seq, "Lowest I2O version supported: ");
 540		switch(workspace[2]) {
 541			case 0x00:
 542				seq_printf(seq, "1.0\n");
 543				break;
 544			case 0x01:
 545				seq_printf(seq, "1.5\n");
 546				break;
 547			case 0x02:
 548				seq_printf(seq, "2.0\n");
 549				break;
 550		}
 551
 552		seq_printf(seq, "Highest I2O version supported: ");
 553		switch(workspace[3]) {
 554			case 0x00:
 555				seq_printf(seq, "1.0\n");
 556				break;
 557			case 0x01:
 558				seq_printf(seq, "1.5\n");
 559				break;
 560			case 0x02:
 561				seq_printf(seq, "2.0\n");
 562				break;
 563		}
 564	}
 565*/
 566	seq_printf(seq, "IOP ID                 : %0#5x\n", sb->iop_id);
 567	seq_printf(seq, "Host Unit ID           : %0#6x\n", sb->host_unit_id);
 568	seq_printf(seq, "Segment Number         : %0#5x\n", sb->segment_number);
 569
 570	seq_printf(seq, "I2O version            : ");
 571	switch (version) {
 572	case 0x00:
 573		seq_printf(seq, "1.0\n");
 574		break;
 575	case 0x01:
 576		seq_printf(seq, "1.5\n");
 577		break;
 578	case 0x02:
 579		seq_printf(seq, "2.0\n");
 580		break;
 581	default:
 582		seq_printf(seq, "Unknown version\n");
 583	}
 584
 585	seq_printf(seq, "IOP State              : ");
 586	switch (sb->iop_state) {
 587	case 0x01:
 588		seq_printf(seq, "INIT\n");
 589		break;
 590
 591	case 0x02:
 592		seq_printf(seq, "RESET\n");
 593		break;
 594
 595	case 0x04:
 596		seq_printf(seq, "HOLD\n");
 597		break;
 598
 599	case 0x05:
 600		seq_printf(seq, "READY\n");
 601		break;
 602
 603	case 0x08:
 604		seq_printf(seq, "OPERATIONAL\n");
 605		break;
 606
 607	case 0x10:
 608		seq_printf(seq, "FAILED\n");
 609		break;
 610
 611	case 0x11:
 612		seq_printf(seq, "FAULTED\n");
 613		break;
 614
 615	default:
 616		seq_printf(seq, "Unknown\n");
 617		break;
 618	}
 619
 620	seq_printf(seq, "Messenger Type         : ");
 621	switch (sb->msg_type) {
 622	case 0x00:
 623		seq_printf(seq, "Memory mapped\n");
 624		break;
 625	case 0x01:
 626		seq_printf(seq, "Memory mapped only\n");
 627		break;
 628	case 0x02:
 629		seq_printf(seq, "Remote only\n");
 630		break;
 631	case 0x03:
 632		seq_printf(seq, "Memory mapped and remote\n");
 633		break;
 634	default:
 635		seq_printf(seq, "Unknown\n");
 636	}
 637
 638	seq_printf(seq, "Inbound Frame Size     : %d bytes\n",
 639		   sb->inbound_frame_size << 2);
 640	seq_printf(seq, "Max Inbound Frames     : %d\n",
 641		   sb->max_inbound_frames);
 642	seq_printf(seq, "Current Inbound Frames : %d\n",
 643		   sb->cur_inbound_frames);
 644	seq_printf(seq, "Max Outbound Frames    : %d\n",
 645		   sb->max_outbound_frames);
 646
 647	/* Spec doesn't say if NULL terminated or not... */
 648	memcpy(prodstr, sb->product_id, 24);
 649	prodstr[24] = '\0';
 650	seq_printf(seq, "Product ID             : %s\n", prodstr);
 651	seq_printf(seq, "Expected LCT Size      : %d bytes\n",
 652		   sb->expected_lct_size);
 653
 654	seq_printf(seq, "IOP Capabilities\n");
 655	seq_printf(seq, "    Context Field Size Support : ");
 656	switch (sb->iop_capabilities & 0x0000003) {
 657	case 0:
 658		seq_printf(seq, "Supports only 32-bit context fields\n");
 659		break;
 660	case 1:
 661		seq_printf(seq, "Supports only 64-bit context fields\n");
 662		break;
 663	case 2:
 664		seq_printf(seq, "Supports 32-bit and 64-bit context fields, "
 665			   "but not concurrently\n");
 666		break;
 667	case 3:
 668		seq_printf(seq, "Supports 32-bit and 64-bit context fields "
 669			   "concurrently\n");
 670		break;
 671	default:
 672		seq_printf(seq, "0x%08x\n", sb->iop_capabilities);
 673	}
 674	seq_printf(seq, "    Current Context Field Size : ");
 675	switch (sb->iop_capabilities & 0x0000000C) {
 676	case 0:
 677		seq_printf(seq, "not configured\n");
 678		break;
 679	case 4:
 680		seq_printf(seq, "Supports only 32-bit context fields\n");
 681		break;
 682	case 8:
 683		seq_printf(seq, "Supports only 64-bit context fields\n");
 684		break;
 685	case 12:
 686		seq_printf(seq, "Supports both 32-bit or 64-bit context fields "
 687			   "concurrently\n");
 688		break;
 689	default:
 690		seq_printf(seq, "\n");
 691	}
 692	seq_printf(seq, "    Inbound Peer Support       : %s\n",
 693		   (sb->
 694		    iop_capabilities & 0x00000010) ? "Supported" :
 695		   "Not supported");
 696	seq_printf(seq, "    Outbound Peer Support      : %s\n",
 697		   (sb->
 698		    iop_capabilities & 0x00000020) ? "Supported" :
 699		   "Not supported");
 700	seq_printf(seq, "    Peer to Peer Support       : %s\n",
 701		   (sb->
 702		    iop_capabilities & 0x00000040) ? "Supported" :
 703		   "Not supported");
 704
 705	seq_printf(seq, "Desired private memory size   : %d kB\n",
 706		   sb->desired_mem_size >> 10);
 707	seq_printf(seq, "Allocated private memory size : %d kB\n",
 708		   sb->current_mem_size >> 10);
 709	seq_printf(seq, "Private memory base address   : %0#10x\n",
 710		   sb->current_mem_base);
 711	seq_printf(seq, "Desired private I/O size      : %d kB\n",
 712		   sb->desired_io_size >> 10);
 713	seq_printf(seq, "Allocated private I/O size    : %d kB\n",
 714		   sb->current_io_size >> 10);
 715	seq_printf(seq, "Private I/O base address      : %0#10x\n",
 716		   sb->current_io_base);
 717
 718	return 0;
 719}
 720
 721static int i2o_seq_show_hw(struct seq_file *seq, void *v)
 722{
 723	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 724	static u32 work32[5];
 725	static u8 *work8 = (u8 *) work32;
 726	static u16 *work16 = (u16 *) work32;
 727	int token;
 728	u32 hwcap;
 729
 730	static char *cpu_table[] = {
 731		"Intel 80960 series",
 732		"AMD2900 series",
 733		"Motorola 68000 series",
 734		"ARM series",
 735		"MIPS series",
 736		"Sparc series",
 737		"PowerPC series",
 738		"Intel x86 series"
 739	};
 740
 741	token =
 742	    i2o_parm_field_get(c->exec, 0x0000, -1, &work32, sizeof(work32));
 743
 744	if (token < 0) {
 745		i2o_report_query_status(seq, token, "0x0000 IOP Hardware");
 746		return 0;
 747	}
 748
 749	seq_printf(seq, "I2O Vendor ID    : %0#6x\n", work16[0]);
 750	seq_printf(seq, "Product ID       : %0#6x\n", work16[1]);
 751	seq_printf(seq, "CPU              : ");
 752	if (work8[16] > 8)
 753		seq_printf(seq, "Unknown\n");
 754	else
 755		seq_printf(seq, "%s\n", cpu_table[work8[16]]);
 756	/* Anyone using ProcessorVersion? */
 757
 758	seq_printf(seq, "RAM              : %dkB\n", work32[1] >> 10);
 759	seq_printf(seq, "Non-Volatile Mem : %dkB\n", work32[2] >> 10);
 760
 761	hwcap = work32[3];
 762	seq_printf(seq, "Capabilities : 0x%08x\n", hwcap);
 763	seq_printf(seq, "   [%s] Self booting\n",
 764		   (hwcap & 0x00000001) ? "+" : "-");
 765	seq_printf(seq, "   [%s] Upgradable IRTOS\n",
 766		   (hwcap & 0x00000002) ? "+" : "-");
 767	seq_printf(seq, "   [%s] Supports downloading DDMs\n",
 768		   (hwcap & 0x00000004) ? "+" : "-");
 769	seq_printf(seq, "   [%s] Supports installing DDMs\n",
 770		   (hwcap & 0x00000008) ? "+" : "-");
 771	seq_printf(seq, "   [%s] Battery-backed RAM\n",
 772		   (hwcap & 0x00000010) ? "+" : "-");
 773
 774	return 0;
 775}
 776
 777/* Executive group 0003h - Executing DDM List (table) */
 778static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v)
 779{
 780	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 781	int token;
 782	int i;
 783
 784	typedef struct _i2o_exec_execute_ddm_table {
 785		u16 ddm_tid;
 786		u8 module_type;
 787		u8 reserved;
 788		u16 i2o_vendor_id;
 789		u16 module_id;
 790		u8 module_name_version[28];
 791		u32 data_size;
 792		u32 code_size;
 793	} i2o_exec_execute_ddm_table;
 794
 795	struct {
 796		u16 result_count;
 797		u16 pad;
 798		u16 block_size;
 799		u8 block_status;
 800		u8 error_info_size;
 801		u16 row_count;
 802		u16 more_flag;
 803		i2o_exec_execute_ddm_table ddm_table[I2O_MAX_MODULES];
 804	} *result;
 805
 806	i2o_exec_execute_ddm_table ddm_table;
 807
 808	result = kmalloc(sizeof(*result), GFP_KERNEL);
 809	if (!result)
 810		return -ENOMEM;
 811
 812	token = i2o_parm_table_get(c->exec, I2O_PARAMS_TABLE_GET, 0x0003, -1,
 813				   NULL, 0, result, sizeof(*result));
 814
 815	if (token < 0) {
 816		i2o_report_query_status(seq, token,
 817					"0x0003 Executing DDM List");
 818		goto out;
 819	}
 820
 821	seq_printf(seq,
 822		   "Tid   Module_type     Vendor Mod_id  Module_name             Vrs  Data_size Code_size\n");
 823	ddm_table = result->ddm_table[0];
 824
 825	for (i = 0; i < result->row_count; ddm_table = result->ddm_table[++i]) {
 826		seq_printf(seq, "0x%03x ", ddm_table.ddm_tid & 0xFFF);
 827
 828		switch (ddm_table.module_type) {
 829		case 0x01:
 830			seq_printf(seq, "Downloaded DDM  ");
 831			break;
 832		case 0x22:
 833			seq_printf(seq, "Embedded DDM    ");
 834			break;
 835		default:
 836			seq_printf(seq, "                ");
 837		}
 838
 839		seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id);
 840		seq_printf(seq, "%-#8x", ddm_table.module_id);
 841		seq_printf(seq, "%-29s",
 842			   chtostr(ddm_table.module_name_version, 28));
 843		seq_printf(seq, "%9d  ", ddm_table.data_size);
 844		seq_printf(seq, "%8d", ddm_table.code_size);
 845
 846		seq_printf(seq, "\n");
 847	}
 848      out:
 849	kfree(result);
 850	return 0;
 851}
 852
 853/* Executive group 0004h - Driver Store (scalar) */
 854static int i2o_seq_show_driver_store(struct seq_file *seq, void *v)
 855{
 856	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 857	u32 work32[8];
 858	int token;
 859
 860	token =
 861	    i2o_parm_field_get(c->exec, 0x0004, -1, &work32, sizeof(work32));
 862	if (token < 0) {
 863		i2o_report_query_status(seq, token, "0x0004 Driver Store");
 864		return 0;
 865	}
 866
 867	seq_printf(seq, "Module limit  : %d\n"
 868		   "Module count  : %d\n"
 869		   "Current space : %d kB\n"
 870		   "Free space    : %d kB\n",
 871		   work32[0], work32[1], work32[2] >> 10, work32[3] >> 10);
 872
 873	return 0;
 874}
 875
 876/* Executive group 0005h - Driver Store Table (table) */
 877static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v)
 878{
 879	typedef struct _i2o_driver_store {
 880		u16 stored_ddm_index;
 881		u8 module_type;
 882		u8 reserved;
 883		u16 i2o_vendor_id;
 884		u16 module_id;
 885		u8 module_name_version[28];
 886		u8 date[8];
 887		u32 module_size;
 888		u32 mpb_size;
 889		u32 module_flags;
 890	} i2o_driver_store_table;
 891
 892	struct i2o_controller *c = (struct i2o_controller *)seq->private;
 893	int token;
 894	int i;
 895
 896	typedef struct {
 897		u16 result_count;
 898		u16 pad;
 899		u16 block_size;
 900		u8 block_status;
 901		u8 error_info_size;
 902		u16 row_count;
 903		u16 more_flag;
 904		i2o_driver_store_table dst[I2O_MAX_MODULES];
 905	} i2o_driver_result_table;
 906
 907	i2o_driver_result_table *result;
 908	i2o_driver_store_table *dst;
 909
 910	result = kmalloc(sizeof(i2o_driver_result_table), GFP_KERNEL);
 911	if (result == NULL)
 912		return -ENOMEM;
 913
 914	token = i2o_parm_table_get(c->exec, I2O_PARAMS_TABLE_GET, 0x0005, -1,
 915				   NULL, 0, result, sizeof(*result));
 916
 917	if (token < 0) {
 918		i2o_report_query_status(seq, token,
 919					"0x0005 DRIVER STORE TABLE");
 920		kfree(result);
 921		return 0;
 922	}
 923
 924	seq_printf(seq,
 925		   "#  Module_type     Vendor Mod_id  Module_name             Vrs"
 926		   "Date     Mod_size Par_size Flags\n");
 927	for (i = 0, dst = &result->dst[0]; i < result->row_count;
 928	     dst = &result->dst[++i]) {
 929		seq_printf(seq, "%-3d", dst->stored_ddm_index);
 930		switch (dst->module_type) {
 931		case 0x01:
 932			seq_printf(seq, "Downloaded DDM  ");
 933			break;
 934		case 0x22:
 935			seq_printf(seq, "Embedded DDM    ");
 936			break;
 937		default:
 938			seq_printf(seq, "                ");
 939		}
 940
 941		seq_printf(seq, "%-#7x", dst->i2o_vendor_id);
 942		seq_printf(seq, "%-#8x", dst->module_id);
 943		seq_printf(seq, "%-29s", chtostr(dst->module_name_version, 28));
 944		seq_printf(seq, "%-9s", chtostr(dst->date, 8));
 945		seq_printf(seq, "%8d ", dst->module_size);
 946		seq_printf(seq, "%8d ", dst->mpb_size);
 947		seq_printf(seq, "0x%04x", dst->module_flags);
 948		seq_printf(seq, "\n");
 949	}
 950
 951	kfree(result);
 952	return 0;
 953}
 954
 955/* Generic group F000h - Params Descriptor (table) */
 956static int i2o_seq_show_groups(struct seq_file *seq, void *v)
 957{
 958	struct i2o_device *d = (struct i2o_device *)seq->private;
 959	int token;
 960	int i;
 961	u8 properties;
 962
 963	typedef struct _i2o_group_info {
 964		u16 group_number;
 965		u16 field_count;
 966		u16 row_count;
 967		u8 properties;
 968		u8 reserved;
 969	} i2o_group_info;
 970
 971	struct {
 972		u16 result_count;
 973		u16 pad;
 974		u16 block_size;
 975		u8 block_status;
 976		u8 error_info_size;
 977		u16 row_count;
 978		u16 more_flag;
 979		i2o_group_info group[256];
 980	} *result;
 981
 982	result = kmalloc(sizeof(*result), GFP_KERNEL);
 983	if (!result)
 984		return -ENOMEM;
 985
 986	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF000, -1, NULL, 0,
 987				   result, sizeof(*result));
 988
 989	if (token < 0) {
 990		i2o_report_query_status(seq, token, "0xF000 Params Descriptor");
 991		goto out;
 992	}
 993
 994	seq_printf(seq,
 995		   "#  Group   FieldCount RowCount Type   Add Del Clear\n");
 996
 997	for (i = 0; i < result->row_count; i++) {
 998		seq_printf(seq, "%-3d", i);
 999		seq_printf(seq, "0x%04X ", result->group[i].group_number);
1000		seq_printf(seq, "%10d ", result->group[i].field_count);
1001		seq_printf(seq, "%8d ", result->group[i].row_count);
1002
1003		properties = result->group[i].properties;
1004		if (properties & 0x1)
1005			seq_printf(seq, "Table  ");
1006		else
1007			seq_printf(seq, "Scalar ");
1008		if (properties & 0x2)
1009			seq_printf(seq, " + ");
1010		else
1011			seq_printf(seq, " - ");
1012		if (properties & 0x4)
1013			seq_printf(seq, "  + ");
1014		else
1015			seq_printf(seq, "  - ");
1016		if (properties & 0x8)
1017			seq_printf(seq, "  + ");
1018		else
1019			seq_printf(seq, "  - ");
1020
1021		seq_printf(seq, "\n");
1022	}
1023
1024	if (result->more_flag)
1025		seq_printf(seq, "There is more...\n");
1026      out:
1027	kfree(result);
1028	return 0;
1029}
1030
1031/* Generic group F001h - Physical Device Table (table) */
1032static int i2o_seq_show_phys_device(struct seq_file *seq, void *v)
1033{
1034	struct i2o_device *d = (struct i2o_device *)seq->private;
1035	int token;
1036	int i;
1037
1038	struct {
1039		u16 result_count;
1040		u16 pad;
1041		u16 block_size;
1042		u8 block_status;
1043		u8 error_info_size;
1044		u16 row_count;
1045		u16 more_flag;
1046		u32 adapter_id[64];
1047	} result;
1048
1049	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF001, -1, NULL, 0,
1050				   &result, sizeof(result));
1051
1052	if (token < 0) {
1053		i2o_report_query_status(seq, token,
1054					"0xF001 Physical Device Table");
1055		return 0;
1056	}
1057
1058	if (result.row_count)
1059		seq_printf(seq, "#  AdapterId\n");
1060
1061	for (i = 0; i < result.row_count; i++) {
1062		seq_printf(seq, "%-2d", i);
1063		seq_printf(seq, "%#7x\n", result.adapter_id[i]);
1064	}
1065
1066	if (result.more_flag)
1067		seq_printf(seq, "There is more...\n");
1068
1069	return 0;
1070}
1071
1072/* Generic group F002h - Claimed Table (table) */
1073static int i2o_seq_show_claimed(struct seq_file *seq, void *v)
1074{
1075	struct i2o_device *d = (struct i2o_device *)seq->private;
1076	int token;
1077	int i;
1078
1079	struct {
1080		u16 result_count;
1081		u16 pad;
1082		u16 block_size;
1083		u8 block_status;
1084		u8 error_info_size;
1085		u16 row_count;
1086		u16 more_flag;
1087		u16 claimed_tid[64];
1088	} result;
1089
1090	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF002, -1, NULL, 0,
1091				   &result, sizeof(result));
1092
1093	if (token < 0) {
1094		i2o_report_query_status(seq, token, "0xF002 Claimed Table");
1095		return 0;
1096	}
1097
1098	if (result.row_count)
1099		seq_printf(seq, "#  ClaimedTid\n");
1100
1101	for (i = 0; i < result.row_count; i++) {
1102		seq_printf(seq, "%-2d", i);
1103		seq_printf(seq, "%#7x\n", result.claimed_tid[i]);
1104	}
1105
1106	if (result.more_flag)
1107		seq_printf(seq, "There is more...\n");
1108
1109	return 0;
1110}
1111
1112/* Generic group F003h - User Table (table) */
1113static int i2o_seq_show_users(struct seq_file *seq, void *v)
1114{
1115	struct i2o_device *d = (struct i2o_device *)seq->private;
1116	int token;
1117	int i;
1118
1119	typedef struct _i2o_user_table {
1120		u16 instance;
1121		u16 user_tid;
1122		u8 claim_type;
1123		u8 reserved1;
1124		u16 reserved2;
1125	} i2o_user_table;
1126
1127	struct {
1128		u16 result_count;
1129		u16 pad;
1130		u16 block_size;
1131		u8 block_status;
1132		u8 error_info_size;
1133		u16 row_count;
1134		u16 more_flag;
1135		i2o_user_table user[64];
1136	} *result;
1137
1138	result = kmalloc(sizeof(*result), GFP_KERNEL);
1139	if (!result)
1140		return -ENOMEM;
1141
1142	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF003, -1, NULL, 0,
1143				   result, sizeof(*result));
1144
1145	if (token < 0) {
1146		i2o_report_query_status(seq, token, "0xF003 User Table");
1147		goto out;
1148	}
1149
1150	seq_printf(seq, "#  Instance UserTid ClaimType\n");
1151
1152	for (i = 0; i < result->row_count; i++) {
1153		seq_printf(seq, "%-3d", i);
1154		seq_printf(seq, "%#8x ", result->user[i].instance);
1155		seq_printf(seq, "%#7x ", result->user[i].user_tid);
1156		seq_printf(seq, "%#9x\n", result->user[i].claim_type);
1157	}
1158
1159	if (result->more_flag)
1160		seq_printf(seq, "There is more...\n");
1161      out:
1162	kfree(result);
1163	return 0;
1164}
1165
1166/* Generic group F005h - Private message extensions (table) (optional) */
1167static int i2o_seq_show_priv_msgs(struct seq_file *seq, void *v)
1168{
1169	struct i2o_device *d = (struct i2o_device *)seq->private;
1170	int token;
1171	int i;
1172
1173	typedef struct _i2o_private {
1174		u16 ext_instance;
1175		u16 organization_id;
1176		u16 x_function_code;
1177	} i2o_private;
1178
1179	struct {
1180		u16 result_count;
1181		u16 pad;
1182		u16 block_size;
1183		u8 block_status;
1184		u8 error_info_size;
1185		u16 row_count;
1186		u16 more_flag;
1187		i2o_private extension[64];
1188	} result;
1189
1190	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF000, -1, NULL, 0,
1191				   &result, sizeof(result));
1192
1193	if (token < 0) {
1194		i2o_report_query_status(seq, token,
1195					"0xF005 Private Message Extensions (optional)");
1196		return 0;
1197	}
1198
1199	seq_printf(seq, "Instance#  OrgId  FunctionCode\n");
1200
1201	for (i = 0; i < result.row_count; i++) {
1202		seq_printf(seq, "%0#9x ", result.extension[i].ext_instance);
1203		seq_printf(seq, "%0#6x ", result.extension[i].organization_id);
1204		seq_printf(seq, "%0#6x", result.extension[i].x_function_code);
1205
1206		seq_printf(seq, "\n");
1207	}
1208
1209	if (result.more_flag)
1210		seq_printf(seq, "There is more...\n");
1211
1212	return 0;
1213}
1214
1215/* Generic group F006h - Authorized User Table (table) */
1216static int i2o_seq_show_authorized_users(struct seq_file *seq, void *v)
1217{
1218	struct i2o_device *d = (struct i2o_device *)seq->private;
1219	int token;
1220	int i;
1221
1222	struct {
1223		u16 result_count;
1224		u16 pad;
1225		u16 block_size;
1226		u8 block_status;
1227		u8 error_info_size;
1228		u16 row_count;
1229		u16 more_flag;
1230		u32 alternate_tid[64];
1231	} result;
1232
1233	token = i2o_parm_table_get(d, I2O_PARAMS_TABLE_GET, 0xF006, -1, NULL, 0,
1234				   &result, sizeof(result));
1235
1236	if (token < 0) {
1237		i2o_report_query_status(seq, token,
1238					"0xF006 Autohorized User Table");
1239		return 0;
1240	}
1241
1242	if (result.row_count)
1243		seq_printf(seq, "#  AlternateTid\n");
1244
1245	for (i = 0; i < result.row_count; i++) {
1246		seq_printf(seq, "%-2d", i);
1247		seq_printf(seq, "%#7x ", result.alternate_tid[i]);
1248	}
1249
1250	if (result.more_flag)
1251		seq_printf(seq, "There is more...\n");
1252
1253	return 0;
1254}
1255
1256/* Generic group F100h - Device Identity (scalar) */
1257static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v)
1258{
1259	struct i2o_device *d = (struct i2o_device *)seq->private;
1260	static u32 work32[128];	// allow for "stuff" + up to 256 byte (max) serial number
1261	// == (allow) 512d bytes (max)
1262	static u16 *work16 = (u16 *) work32;
1263	int token;
1264
1265	token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32));
1266
1267	if (token < 0) {
1268		i2o_report_query_status(seq, token, "0xF100 Device Identity");
1269		return 0;
1270	}
1271
1272	seq_printf(seq, "Device Class  : %s\n", i2o_get_class_name(work16[0]));
1273	seq_printf(seq, "Owner TID     : %0#5x\n", work16[2]);
1274	seq_printf(seq, "Parent TID    : %0#5x\n", work16[3]);
1275	seq_printf(seq, "Vendor info   : %s\n",
1276		   chtostr((u8 *) (work32 + 2), 16));
1277	seq_printf(seq, "Product info  : %s\n",
1278		   chtostr((u8 *) (work32 + 6), 16));
1279	seq_printf(seq, "Description   : %s\n",
1280		   chtostr((u8 *) (work32 + 10), 16));
1281	seq_printf(seq, "Product rev.  : %s\n",
1282		   chtostr((u8 *) (work32 + 14), 8));
1283
1284	seq_printf(seq, "Serial number : ");
1285	print_serial_number(seq, (u8 *) (work32 + 16),
1286			    /* allow for SNLen plus
1287			     * possible trailing '\0'
1288			     */
1289			    sizeof(work32) - (16 * sizeof(u32)) - 2);
1290	seq_printf(seq, "\n");
1291
1292	return 0;
1293}
1294
1295static int i2o_seq_show_dev_name(struct seq_file *seq, void *v)
1296{
1297	struct i2o_device *d = (struct i2o_device *)seq->private;
1298
1299	seq_printf(seq, "%s\n", dev_name(&d->device));
1300
1301	return 0;
1302}
1303
1304/* Generic group F101h - DDM Identity (scalar) */
1305static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v)
1306{
1307	struct i2o_device *d = (struct i2o_device *)seq->private;
1308	int token;
1309
1310	struct {
1311		u16 ddm_tid;
1312		u8 module_name[24];
1313		u8 module_rev[8];
1314		u8 sn_format;
1315		u8 serial_number[12];
1316		u8 pad[256];	// allow up to 256 byte (max) serial number
1317	} result;
1318
1319	token = i2o_parm_field_get(d, 0xF101, -1, &result, sizeof(result));
1320
1321	if (token < 0) {
1322		i2o_report_query_status(seq, token, "0xF101 DDM Identity");
1323		return 0;
1324	}
1325
1326	seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid);
1327	seq_printf(seq, "Module name         : %s\n",
1328		   chtostr(result.module_name, 24));
1329	seq_printf(seq, "Module revision     : %s\n",
1330		   chtostr(result.module_rev, 8));
1331
1332	seq_printf(seq, "Serial number       : ");
1333	print_serial_number(seq, result.serial_number, sizeof(result) - 36);
1334	/* allow for SNLen plus possible trailing '\0' */
1335
1336	seq_printf(seq, "\n");
1337
1338	return 0;
1339}
1340
1341/* Generic group F102h - User Information (scalar) */
1342static int i2o_seq_show_uinfo(struct seq_file *seq, void *v)
1343{
1344	struct i2o_device *d = (struct i2o_device *)seq->private;
1345	int token;
1346
1347	struct {
1348		u8 device_name[64];
1349		u8 service_name[64];
1350		u8 physical_location[64];
1351		u8 instance_number[4];
1352	} result;
1353
1354	token = i2o_parm_field_get(d, 0xF102, -1, &result, sizeof(result));
1355
1356	if (token < 0) {
1357		i2o_report_query_status(seq, token, "0xF102 User Information");
1358		return 0;
1359	}
1360
1361	seq_printf(seq, "Device name     : %s\n",
1362		   chtostr(result.device_name, 64));
1363	seq_printf(seq, "Service name    : %s\n",
1364		   chtostr(result.service_name, 64));
1365	seq_printf(seq, "Physical name   : %s\n",
1366		   chtostr(result.physical_location, 64));
1367	seq_printf(seq, "Instance number : %s\n",
1368		   chtostr(result.instance_number, 4));
1369
1370	return 0;
1371}
1372
1373/* Generic group F103h - SGL Operating Limits (scalar) */
1374static int i2o_seq_show_sgl_limits(struct seq_file *seq, void *v)
1375{
1376	struct i2o_device *d = (struct i2o_device *)seq->private;
1377	static u32 work32[12];
1378	static u16 *work16 = (u16 *) work32;
1379	static u8 *work8 = (u8 *) work32;
1380	int token;
1381
1382	token = i2o_parm_field_get(d, 0xF103, -1, &work32, sizeof(work32));
1383
1384	if (token < 0) {
1385		i2o_report_query_status(seq, token,
1386					"0xF103 SGL Operating Limits");
1387		return 0;
1388	}
1389
1390	seq_printf(seq, "SGL chain size        : %d\n", work32[0]);
1391	seq_printf(seq, "Max SGL chain size    : %d\n", work32[1]);
1392	seq_printf(seq, "SGL chain size target : %d\n", work32[2]);
1393	seq_printf(seq, "SGL frag count        : %d\n", work16[6]);
1394	seq_printf(seq, "Max SGL frag count    : %d\n", work16[7]);
1395	seq_printf(seq, "SGL frag count target : %d\n", work16[8]);
1396
1397/* FIXME
1398	if (d->i2oversion == 0x02)
1399	{
1400*/
1401	seq_printf(seq, "SGL data alignment    : %d\n", work16[8]);
1402	seq_printf(seq, "SGL addr limit        : %d\n", work8[20]);
1403	seq_printf(seq, "SGL addr sizes supported : ");
1404	if (work8[21] & 0x01)
1405		seq_printf(seq, "32 bit ");
1406	if (work8[21] & 0x02)
1407		seq_printf(seq, "64 bit ");
1408	if (work8[21] & 0x04)
1409		seq_printf(seq, "96 bit ");
1410	if (work8[21] & 0x08)
1411		seq_printf(seq, "128 bit ");
1412	seq_printf(seq, "\n");
1413/*
1414	}
1415*/
1416
1417	return 0;
1418}
1419
1420/* Generic group F200h - Sensors (scalar) */
1421static int i2o_seq_show_sensors(struct seq_file *seq, void *v)
1422{
1423	struct i2o_device *d = (struct i2o_device *)seq->private;
1424	int token;
1425
1426	struct {
1427		u16 sensor_instance;
1428		u8 component;
1429		u16 component_instance;
1430		u8 sensor_class;
1431		u8 sensor_type;
1432		u8 scaling_exponent;
1433		u32 actual_reading;
1434		u32 minimum_reading;
1435		u32 low2lowcat_treshold;
1436		u32 lowcat2low_treshold;
1437		u32 lowwarn2low_treshold;
1438		u32 low2lowwarn_treshold;
1439		u32 norm2lowwarn_treshold;
1440		u32 lowwarn2norm_treshold;
1441		u32 nominal_reading;
1442		u32 hiwarn2norm_treshold;
1443		u32 norm2hiwarn_treshold;
1444		u32 high2hiwarn_treshold;
1445		u32 hiwarn2high_treshold;
1446		u32 hicat2high_treshold;
1447		u32 hi2hicat_treshold;
1448		u32 maximum_reading;
1449		u8 sensor_state;
1450		u16 event_enable;
1451	} result;
1452
1453	token = i2o_parm_field_get(d, 0xF200, -1, &result, sizeof(result));
1454
1455	if (token < 0) {
1456		i2o_report_query_status(seq, token,
1457					"0xF200 Sensors (optional)");
1458		return 0;
1459	}
1460
1461	seq_printf(seq, "Sensor instance       : %d\n", result.sensor_instance);
1462
1463	seq_printf(seq, "Component             : %d = ", result.component);
1464	switch (result.component) {
1465	case 0:
1466		seq_printf(seq, "Other");
1467		break;
1468	case 1:
1469		seq_printf(seq, "Planar logic Board");
1470		break;
1471	case 2:
1472		seq_printf(seq, "CPU");
1473		break;
1474	case 3:
1475		seq_printf(seq, "Chassis");
1476		break;
1477	case 4:
1478		seq_printf(seq, "Power Supply");
1479		break;
1480	case 5:
1481		seq_printf(seq, "Storage");
1482		break;
1483	case 6:
1484		seq_printf(seq, "External");
1485		break;
1486	}
1487	seq_printf(seq, "\n");
1488
1489	seq_printf(seq, "Component instance    : %d\n",
1490		   result.component_instance);
1491	seq_printf(seq, "Sensor class          : %s\n",
1492		   result.sensor_class ? "Analog" : "Digital");
1493
1494	seq_printf(seq, "Sensor type           : %d = ", result.sensor_type);
1495	switch (result.sensor_type) {
1496	case 0:
1497		seq_printf(seq, "Other\n");
1498		break;
1499	case 1:
1500		seq_printf(seq, "Thermal\n");
1501		break;
1502	case 2:
1503		seq_printf(seq, "DC voltage (DC volts)\n");
1504		break;
1505	case 3:
1506		seq_printf(seq, "AC voltage (AC volts)\n");
1507		break;
1508	case 4:
1509		seq_printf(seq, "DC current (DC amps)\n");
1510		break;
1511	case 5:
1512		seq_printf(seq, "AC current (AC volts)\n");
1513		break;
1514	case 6:
1515		seq_printf(seq, "Door open\n");
1516		break;
1517	case 7:
1518		seq_printf(seq, "Fan operational\n");
1519		break;
1520	}
1521
1522	seq_printf(seq, "Scaling exponent      : %d\n",
1523		   result.scaling_exponent);
1524	seq_printf(seq, "Actual reading        : %d\n", result.actual_reading);
1525	seq_printf(seq, "Minimum reading       : %d\n", result.minimum_reading);
1526	seq_printf(seq, "Low2LowCat treshold   : %d\n",
1527		   result.low2lowcat_treshold);
1528	seq_printf(seq, "LowCat2Low treshold   : %d\n",
1529		   result.lowcat2low_treshold);
1530	seq_printf(seq, "LowWarn2Low treshold  : %d\n",
1531		   result.lowwarn2low_treshold);
1532	seq_printf(seq, "Low2LowWarn treshold  : %d\n",
1533		   result.low2lowwarn_treshold);
1534	seq_printf(seq, "Norm2LowWarn treshold : %d\n",
1535		   result.norm2lowwarn_treshold);
1536	seq_printf(seq, "LowWarn2Norm treshold : %d\n",
1537		   result.lowwarn2norm_treshold);
1538	seq_printf(seq, "Nominal reading       : %d\n", result.nominal_reading);
1539	seq_printf(seq, "HiWarn2Norm treshold  : %d\n",
1540		   result.hiwarn2norm_treshold);
1541	seq_printf(seq, "Norm2HiWarn treshold  : %d\n",
1542		   result.norm2hiwarn_treshold);
1543	seq_printf(seq, "High2HiWarn treshold  : %d\n",
1544		   result.high2hiwarn_treshold);
1545	seq_printf(seq, "HiWarn2High treshold  : %d\n",
1546		   result.hiwarn2high_treshold);
1547	seq_printf(seq, "HiCat2High treshold   : %d\n",
1548		   result.hicat2high_treshold);
1549	seq_printf(seq, "High2HiCat treshold   : %d\n",
1550		   result.hi2hicat_treshold);
1551	seq_printf(seq, "Maximum reading       : %d\n", result.maximum_reading);
1552
1553	seq_printf(seq, "Sensor state          : %d = ", result.sensor_state);
1554	switch (result.sensor_state) {
1555	case 0:
1556		seq_printf(seq, "Normal\n");
1557		break;
1558	case 1:
1559		seq_printf(seq, "Abnormal\n");
1560		break;
1561	case 2:
1562		seq_printf(seq, "Unknown\n");
1563		break;
1564	case 3:
1565		seq_printf(seq, "Low Catastrophic (LoCat)\n");
1566		break;
1567	case 4:
1568		seq_printf(seq, "Low (Low)\n");
1569		break;
1570	case 5:
1571		seq_printf(seq, "Low Warning (LoWarn)\n");
1572		break;
1573	case 6:
1574		seq_printf(seq, "High Warning (HiWarn)\n");
1575		break;
1576	case 7:
1577		seq_printf(seq, "High (High)\n");
1578		break;
1579	case 8:
1580		seq_printf(seq, "High Catastrophic (HiCat)\n");
1581		break;
1582	}
1583
1584	seq_printf(seq, "Event_enable : 0x%02X\n", result.event_enable);
1585	seq_printf(seq, "    [%s] Operational state change. \n",
1586		   (result.event_enable & 0x01) ? "+" : "-");
1587	seq_printf(seq, "    [%s] Low catastrophic. \n",
1588		   (result.event_enable & 0x02) ? "+" : "-");
1589	seq_printf(seq, "    [%s] Low reading. \n",
1590		   (result.event_enable & 0x04) ? "+" : "-");
1591	seq_printf(seq, "    [%s] Low warning. \n",
1592		   (result.event_enable & 0x08) ? "+" : "-");
1593	seq_printf(seq,
1594		   "    [%s] Change back to normal from out of range state. \n",
1595		   (result.event_enable & 0x10) ? "+" : "-");
1596	seq_printf(seq, "    [%s] High warning. \n",
1597		   (result.event_enable & 0x20) ? "+" : "-");
1598	seq_printf(seq, "    [%s] High reading. \n",
1599		   (result.event_enable & 0x40) ? "+" : "-");
1600	seq_printf(seq, "    [%s] High catastrophic. \n",
1601		   (result.event_enable & 0x80) ? "+" : "-");
1602
1603	return 0;
1604}
1605
1606static int i2o_seq_open_hrt(struct inode *inode, struct file *file)
1607{
1608	return single_open(file, i2o_seq_show_hrt, PDE(inode)->data);
1609};
1610
1611static int i2o_seq_open_lct(struct inode *inode, struct file *file)
1612{
1613	return single_open(file, i2o_seq_show_lct, PDE(inode)->data);
1614};
1615
1616static int i2o_seq_open_status(struct inode *inode, struct file *file)
1617{
1618	return single_open(file, i2o_seq_show_status, PDE(inode)->data);
1619};
1620
1621static int i2o_seq_open_hw(struct inode *inode, struct file *file)
1622{
1623	return single_open(file, i2o_seq_show_hw, PDE(inode)->data);
1624};
1625
1626static int i2o_seq_open_ddm_table(struct inode *inode, struct file *file)
1627{
1628	return single_open(file, i2o_seq_show_ddm_table, PDE(inode)->data);
1629};
1630
1631static int i2o_seq_open_driver_store(struct inode *inode, struct file *file)
1632{
1633	return single_open(file, i2o_seq_show_driver_store, PDE(inode)->data);
1634};
1635
1636static int i2o_seq_open_drivers_stored(struct inode *inode, struct file *file)
1637{
1638	return single_open(file, i2o_seq_show_drivers_stored, PDE(inode)->data);
1639};
1640
1641static int i2o_seq_open_groups(struct inode *inode, struct file *file)
1642{
1643	return single_open(file, i2o_seq_show_groups, PDE(inode)->data);
1644};
1645
1646static int i2o_seq_open_phys_device(struct inode *inode, struct file *file)
1647{
1648	return single_open(file, i2o_seq_show_phys_device, PDE(inode)->data);
1649};
1650
1651static int i2o_seq_open_claimed(struct inode *inode, struct file *file)
1652{
1653	return single_open(file, i2o_seq_show_claimed, PDE(inode)->data);
1654};
1655
1656static int i2o_seq_open_users(struct inode *inode, struct file *file)
1657{
1658	return single_open(file, i2o_seq_show_users, PDE(inode)->data);
1659};
1660
1661static int i2o_seq_open_priv_msgs(struct inode *inode, struct file *file)
1662{
1663	return single_open(file, i2o_seq_show_priv_msgs, PDE(inode)->data);
1664};
1665
1666static int i2o_seq_open_authorized_users(struct inode *inode, struct file *file)
1667{
1668	return single_open(file, i2o_seq_show_authorized_users,
1669			   PDE(inode)->data);
1670};
1671
1672static int i2o_seq_open_dev_identity(struct inode *inode, struct file *file)
1673{
1674	return single_open(file, i2o_seq_show_dev_identity, PDE(inode)->data);
1675};
1676
1677static int i2o_seq_open_ddm_identity(struct inode *inode, struct file *file)
1678{
1679	return single_open(file, i2o_seq_show_ddm_identity, PDE(inode)->data);
1680};
1681
1682static int i2o_seq_open_uinfo(struct inode *inode, struct file *file)
1683{
1684	return single_open(file, i2o_seq_show_uinfo, PDE(inode)->data);
1685};
1686
1687static int i2o_seq_open_sgl_limits(struct inode *inode, struct file *file)
1688{
1689	return single_open(file, i2o_seq_show_sgl_limits, PDE(inode)->data);
1690};
1691
1692static int i2o_seq_open_sensors(struct inode *inode, struct file *file)
1693{
1694	return single_open(file, i2o_seq_show_sensors, PDE(inode)->data);
1695};
1696
1697static int i2o_seq_open_dev_name(struct inode *inode, struct file *file)
1698{
1699	return single_open(file, i2o_seq_show_dev_name, PDE(inode)->data);
1700};
1701
1702static const struct file_operations i2o_seq_fops_lct = {
1703	.open = i2o_seq_open_lct,
1704	.read = seq_read,
1705	.llseek = seq_lseek,
1706	.release = single_release,
1707};
1708
1709static const struct file_operations i2o_seq_fops_hrt = {
1710	.open = i2o_seq_open_hrt,
1711	.read = seq_read,
1712	.llseek = seq_lseek,
1713	.release = single_release,
1714};
1715
1716static const struct file_operations i2o_seq_fops_status = {
1717	.open = i2o_seq_open_status,
1718	.read = seq_read,
1719	.llseek = seq_lseek,
1720	.release = single_release,
1721};
1722
1723static const struct file_operations i2o_seq_fops_hw = {
1724	.open = i2o_seq_open_hw,
1725	.read = seq_read,
1726	.llseek = seq_lseek,
1727	.release = single_release,
1728};
1729
1730static const struct file_operations i2o_seq_fops_ddm_table = {
1731	.open = i2o_seq_open_ddm_table,
1732	.read = seq_read,
1733	.llseek = seq_lseek,
1734	.release = single_release,
1735};
1736
1737static const struct file_operations i2o_seq_fops_driver_store = {
1738	.open = i2o_seq_open_driver_store,
1739	.read = seq_read,
1740	.llseek = seq_lseek,
1741	.release = single_release,
1742};
1743
1744static const struct file_operations i2o_seq_fops_drivers_stored = {
1745	.open = i2o_seq_open_drivers_stored,
1746	.read = seq_read,
1747	.llseek = seq_lseek,
1748	.release = single_release,
1749};
1750
1751static const struct file_operations i2o_seq_fops_groups = {
1752	.open = i2o_seq_open_groups,
1753	.read = seq_read,
1754	.llseek = seq_lseek,
1755	.release = single_release,
1756};
1757
1758static const struct file_operations i2o_seq_fops_phys_device = {
1759	.open = i2o_seq_open_phys_device,
1760	.read = seq_read,
1761	.llseek = seq_lseek,
1762	.release = single_release,
1763};
1764
1765static const struct file_operations i2o_seq_fops_claimed = {
1766	.open = i2o_seq_open_claimed,
1767	.read = seq_read,
1768	.llseek = seq_lseek,
1769	.release = single_release,
1770};
1771
1772static const struct file_operations i2o_seq_fops_users = {
1773	.open = i2o_seq_open_users,
1774	.read = seq_read,
1775	.llseek = seq_lseek,
1776	.release = single_release,
1777};
1778
1779static const struct file_operations i2o_seq_fops_priv_msgs = {
1780	.open = i2o_seq_open_priv_msgs,
1781	.read = seq_read,
1782	.llseek = seq_lseek,
1783	.release = single_release,
1784};
1785
1786static const struct file_operations i2o_seq_fops_authorized_users = {
1787	.open = i2o_seq_open_authorized_users,
1788	.read = seq_read,
1789	.llseek = seq_lseek,
1790	.release = single_release,
1791};
1792
1793static const struct file_operations i2o_seq_fops_dev_name = {
1794	.open = i2o_seq_open_dev_name,
1795	.read = seq_read,
1796	.llseek = seq_lseek,
1797	.release = single_release,
1798};
1799
1800static const struct file_operations i2o_seq_fops_dev_identity = {
1801	.open = i2o_seq_open_dev_identity,
1802	.read = seq_read,
1803	.llseek = seq_lseek,
1804	.release = single_release,
1805};
1806
1807static const struct file_operations i2o_seq_fops_ddm_identity = {
1808	.open = i2o_seq_open_ddm_identity,
1809	.read = seq_read,
1810	.llseek = seq_lseek,
1811	.release = single_release,
1812};
1813
1814static const struct file_operations i2o_seq_fops_uinfo = {
1815	.open = i2o_seq_open_uinfo,
1816	.read = seq_read,
1817	.llseek = seq_lseek,
1818	.release = single_release,
1819};
1820
1821static const struct file_operations i2o_seq_fops_sgl_limits = {
1822	.open = i2o_seq_open_sgl_limits,
1823	.read = seq_read,
1824	.llseek = seq_lseek,
1825	.release = single_release,
1826};
1827
1828static const struct file_operations i2o_seq_fops_sensors = {
1829	.open = i2o_seq_open_sensors,
1830	.read = seq_read,
1831	.llseek = seq_lseek,
1832	.release = single_release,
1833};
1834
1835/*
1836 * IOP specific entries...write field just in case someone
1837 * ever wants one.
1838 */
1839static i2o_proc_entry i2o_proc_generic_iop_entries[] = {
1840	{"hrt", S_IFREG | S_IRUGO, &i2o_seq_fops_hrt},
1841	{"lct", S_IFREG | S_IRUGO, &i2o_seq_fops_lct},
1842	{"status", S_IFREG | S_IRUGO, &i2o_seq_fops_status},
1843	{"hw", S_IFREG | S_IRUGO, &i2o_seq_fops_hw},
1844	{"ddm_table", S_IFREG | S_IRUGO, &i2o_seq_fops_ddm_table},
1845	{"driver_store", S_IFREG | S_IRUGO, &i2o_seq_fops_driver_store},
1846	{"drivers_stored", S_IFREG | S_IRUGO, &i2o_seq_fops_drivers_stored},
1847	{NULL, 0, NULL}
1848};
1849
1850/*
1851 * Device specific entries
1852 */
1853static i2o_proc_entry generic_dev_entries[] = {
1854	{"groups", S_IFREG | S_IRUGO, &i2o_seq_fops_groups},
1855	{"phys_dev", S_IFREG | S_IRUGO, &i2o_seq_fops_phys_device},
1856	{"claimed", S_IFREG | S_IRUGO, &i2o_seq_fops_claimed},
1857	{"users", S_IFREG | S_IRUGO, &i2o_seq_fops_users},
1858	{"priv_msgs", S_IFREG | S_IRUGO, &i2o_seq_fops_priv_msgs},
1859	{"authorized_users", S_IFREG | S_IRUGO, &i2o_seq_fops_authorized_users},
1860	{"dev_identity", S_IFREG | S_IRUGO, &i2o_seq_fops_dev_identity},
1861	{"ddm_identity", S_IFREG | S_IRUGO, &i2o_seq_fops_ddm_identity},
1862	{"user_info", S_IFREG | S_IRUGO, &i2o_seq_fops_uinfo},
1863	{"sgl_limits", S_IFREG | S_IRUGO, &i2o_seq_fops_sgl_limits},
1864	{"sensors", S_IFREG | S_IRUGO, &i2o_seq_fops_sensors},
1865	{NULL, 0, NULL}
1866};
1867
1868/*
1869 *  Storage unit specific entries (SCSI Periph, BS) with device names
1870 */
1871static i2o_proc_entry rbs_dev_entries[] = {
1872	{"dev_name", S_IFREG | S_IRUGO, &i2o_seq_fops_dev_name},
1873	{NULL, 0, NULL}
1874};
1875
1876/**
1877 *	i2o_proc_create_entries - Creates proc dir entries
1878 *	@dir: proc dir entry under which the entries should be placed
1879 *	@i2o_pe: pointer to the entries which should be added
1880 *	@data: pointer to I2O controller or device
1881 *
1882 *	Create proc dir entries for a I2O controller or I2O device.
1883 *
1884 *	Returns 0 on success or negative error code on failure.
1885 */
1886static int i2o_proc_create_entries(struct proc_dir_entry *dir,
1887				   i2o_proc_entry * i2o_pe, void *data)
1888{
1889	struct proc_dir_entry *tmp;
1890
1891	while (i2o_pe->name) {
1892		tmp = proc_create_data(i2o_pe->name, i2o_pe->mode, dir,
1893				       i2o_pe->fops, data);
1894		if (!tmp)
1895			return -1;
1896
1897		i2o_pe++;
1898	}
1899
1900	return 0;
1901}
1902
1903/**
1904 *	i2o_proc_subdir_remove - Remove child entries from a proc entry
1905 *	@dir: proc dir entry from which the childs should be removed
1906 *
1907 *	Iterate over each i2o proc entry under dir and remove it. If the child
1908 *	also has entries, remove them too.
1909 */
1910static void i2o_proc_subdir_remove(struct proc_dir_entry *dir)
1911{
1912	struct proc_dir_entry *pe, *tmp;
1913	pe = dir->subdir;
1914	while (pe) {
1915		tmp = pe->next;
1916		i2o_proc_subdir_remove(pe);
1917		remove_proc_entry(pe->name, dir);
1918		pe = tmp;
1919	}
1920};
1921
1922/**
1923 *	i2o_proc_device_add - Add an I2O device to the proc dir
1924 *	@dir: proc dir entry to which the device should be added
1925 *	@dev: I2O device which should be added
1926 *
1927 *	Add an I2O device to the proc dir entry dir and create the entries for
1928 *	the device depending on the class of the I2O device.
1929 */
1930static void i2o_proc_device_add(struct proc_dir_entry *dir,
1931				struct i2o_device *dev)
1932{
1933	char buff[10];
1934	struct proc_dir_entry *devdir;
1935	i2o_proc_entry *i2o_pe = NULL;
1936
1937	sprintf(buff, "%03x", dev->lct_data.tid);
1938
1939	osm_debug("adding device /proc/i2o/%s/%s\n", dev->iop->name, buff);
1940
1941	devdir = proc_mkdir(buff, dir);
1942	if (!devdir) {
1943		osm_warn("Could not allocate procdir!\n");
1944		return;
1945	}
1946
1947	devdir->data = dev;
1948
1949	i2o_proc_create_entries(devdir, generic_dev_entries, dev);
1950
1951	/* Inform core that we want updates about this device's status */
1952	switch (dev->lct_data.class_id) {
1953	case I2O_CLASS_SCSI_PERIPHERAL:
1954	case I2O_CLASS_RANDOM_BLOCK_STORAGE:
1955		i2o_pe = rbs_dev_entries;
1956		break;
1957	default:
1958		break;
1959	}
1960	if (i2o_pe)
1961		i2o_proc_create_entries(devdir, i2o_pe, dev);
1962}
1963
1964/**
1965 *	i2o_proc_iop_add - Add an I2O controller to the i2o proc tree
1966 *	@dir: parent proc dir entry
1967 *	@c: I2O controller which should be added
1968 *
1969 *	Add the entries to the parent proc dir entry. Also each device is added
1970 *	to the controllers proc dir entry.
1971 *
1972 *	Returns 0 on success or negative error code on failure.
1973 */
1974static int i2o_proc_iop_add(struct proc_dir_entry *dir,
1975			    struct i2o_controller *c)
1976{
1977	struct proc_dir_entry *iopdir;
1978	struct i2o_device *dev;
1979
1980	osm_debug("adding IOP /proc/i2o/%s\n", c->name);
1981
1982	iopdir = proc_mkdir(c->name, dir);
1983	if (!iopdir)
1984		return -1;
1985
1986	iopdir->data = c;
1987
1988	i2o_proc_create_entries(iopdir, i2o_proc_generic_iop_entries, c);
1989
1990	list_for_each_entry(dev, &c->devices, list)
1991	    i2o_proc_device_add(iopdir, dev);
1992
1993	return 0;
1994}
1995
1996/**
1997 *	i2o_proc_iop_remove - Removes an I2O controller from the i2o proc tree
1998 *	@dir: parent proc dir entry
1999 *	@c: I2O controller which should be removed
2000 *
2001 *	Iterate over each i2o proc entry and search controller c. If it is found
2002 *	remove it from the tree.
2003 */
2004static void i2o_proc_iop_remove(struct proc_dir_entry *dir,
2005				struct i2o_controller *c)
2006{
2007	struct proc_dir_entry *pe, *tmp;
2008
2009	pe = dir->subdir;
2010	while (pe) {
2011		tmp = pe->next;
2012		if (pe->data == c) {
2013			i2o_proc_subdir_remove(pe);
2014			remove_proc_entry(pe->name, dir);
2015		}
2016		osm_debug("removing IOP /proc/i2o/%s\n", c->name);
2017		pe = tmp;
2018	}
2019}
2020
2021/**
2022 *	i2o_proc_fs_create - Create the i2o proc fs.
2023 *
2024 *	Iterate over each I2O controller and create the entries for it.
2025 *
2026 *	Returns 0 on success or negative error code on failure.
2027 */
2028static int __init i2o_proc_fs_create(void)
2029{
2030	struct i2o_controller *c;
2031
2032	i2o_proc_dir_root = proc_mkdir("i2o", NULL);
2033	if (!i2o_proc_dir_root)
2034		return -1;
2035
2036	list_for_each_entry(c, &i2o_controllers, list)
2037	    i2o_proc_iop_add(i2o_proc_dir_root, c);
2038
2039	return 0;
2040};
2041
2042/**
2043 *	i2o_proc_fs_destroy - Cleanup the all i2o proc entries
2044 *
2045 *	Iterate over each I2O controller and remove the entries for it.
2046 *
2047 *	Returns 0 on success or negative error code on failure.
2048 */
2049static int __exit i2o_proc_fs_destroy(void)
2050{
2051	struct i2o_controller *c;
2052
2053	list_for_each_entry(c, &i2o_controllers, list)
2054	    i2o_proc_iop_remove(i2o_proc_dir_root, c);
2055
2056	remove_proc_entry("i2o", NULL);
2057
2058	return 0;
2059};
2060
2061/**
2062 *	i2o_proc_init - Init function for procfs
2063 *
2064 *	Registers Proc OSM and creates procfs entries.
2065 *
2066 *	Returns 0 on success or negative error code on failure.
2067 */
2068static int __init i2o_proc_init(void)
2069{
2070	int rc;
2071
2072	printk(KERN_INFO OSM_DESCRIPTION " v" OSM_VERSION "\n");
2073
2074	rc = i2o_driver_register(&i2o_proc_driver);
2075	if (rc)
2076		return rc;
2077
2078	rc = i2o_proc_fs_create();
2079	if (rc) {
2080		i2o_driver_unregister(&i2o_proc_driver);
2081		return rc;
2082	}
2083
2084	return 0;
2085};
2086
2087/**
2088 *	i2o_proc_exit - Exit function for procfs
2089 *
2090 *	Unregisters Proc OSM and removes procfs entries.
2091 */
2092static void __exit i2o_proc_exit(void)
2093{
2094	i2o_driver_unregister(&i2o_proc_driver);
2095	i2o_proc_fs_destroy();
2096};
2097
2098MODULE_AUTHOR("Deepak Saxena");
2099MODULE_LICENSE("GPL");
2100MODULE_DESCRIPTION(OSM_DESCRIPTION);
2101MODULE_VERSION(OSM_VERSION);
2102
2103module_init(i2o_proc_init);
2104module_exit(i2o_proc_exit);