drivers/message/i2o/debug.c - kernel/msm - Gitiles

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

 		printk("]:");

 		switch (p[3] & 0xFFFF) {
 		case 0:
 			/* Adapter private bus - easy */
 			printk("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("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("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("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("PCI %d: Bus %d Device %d Function %d", p[2],
 			       d[2], d[1], d[0]);
 			break;

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

 EXPORT_SYMBOL(i2o_dump_message);
	#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("TID %04X:[", state & 0xFFF);
	state >>= 12;
	if (state & (1 << 0))
	printk("H"); /* Hidden */
	if (state & (1 << 2)) {
	printk("P"); /* Present */
	if (state & (1 << 1))
	printk("C"); /* Controlled */
	}
	if (state > 9)
	printk(""); / Hard */

	printk("]:");

	switch (p[3] & 0xFFFF) {
	case 0:
	/* Adapter private bus - easy */
	printk("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("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("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("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("PCI %d: Bus %d Device %d Function %d", p[2],
	d[2], d[1], d[0]);
	break;

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

	EXPORT_SYMBOL(i2o_dump_message);