Initial version of driver for LSI MPT devices, like the U320 1030.

Basically works but much still to fix/implement.

From NetBSD via Milos Urbanek and Marco Peereboom.

1 files changed, 608 insertions, 0 deletions

diff --git a/sys/dev/ic/mpt_debug.c b/sys/dev/ic/mpt_debug.c
new file mode 100644
index 00000000000..644c82f2924
--- /dev/null
+++ b/sys/dev/ic/mpt_debug.c
@@ -0,0 +1,608 @@
+/*	$OpenBSD: mpt_debug.c,v 1.1 2004/03/06 03:03:07 krw Exp $	*/
+/*	$NetBSD: mpt_debug.c,v 1.2 2003/07/14 15:47:11 lukem Exp $	*/
+
+/*
+ * Copyright (c) 2000, 2001 by Greg Ansley
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice immediately at the beginning of the file, without modification,
+ *    this list of conditions, and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ * Additional Copyright (c) 2002 by Matthew Jacob under same license.
+ */
+
+/*
+ * mpt_debug.c:
+ *
+ * Debug routines for LSI Fusion adapters.
+ */
+
+#include <sys/cdefs.h>
+/* __KERNEL_RCSID(0, "$NetBSD: mpt_debug.c,v 1.2 2003/07/14 15:47:11 lukem Exp $"); */
+
+#include <dev/ic/mpt.h>
+
+struct Error_Map {
+	int 	 Error_Code;
+	char    *Error_String;
+};
+
+static const struct Error_Map IOC_Status[] = {
+{ MPI_IOCSTATUS_SUCCESS,                  "Success" },
+{ MPI_IOCSTATUS_INVALID_FUNCTION,         "IOC: Invalid Function" },
+{ MPI_IOCSTATUS_BUSY,                     "IOC: Busy" },
+{ MPI_IOCSTATUS_INVALID_SGL,              "IOC: Invalid SGL" },
+{ MPI_IOCSTATUS_INTERNAL_ERROR,           "IOC: Internal Error" },
+{ MPI_IOCSTATUS_RESERVED,                 "IOC: Reserved" },
+{ MPI_IOCSTATUS_INSUFFICIENT_RESOURCES,   "IOC: Insufficient Resources" },
+{ MPI_IOCSTATUS_INVALID_FIELD,            "IOC: Invalid Field" },
+{ MPI_IOCSTATUS_INVALID_STATE,            "IOC: Invalid State" },
+{ MPI_IOCSTATUS_CONFIG_INVALID_ACTION,    "Invalid Action" },
+{ MPI_IOCSTATUS_CONFIG_INVALID_TYPE,      "Invalid Type" },
+{ MPI_IOCSTATUS_CONFIG_INVALID_PAGE,      "Invalid Page" },
+{ MPI_IOCSTATUS_CONFIG_INVALID_DATA,      "Invalid Data" },
+{ MPI_IOCSTATUS_CONFIG_NO_DEFAULTS,       "No Defaults" },
+{ MPI_IOCSTATUS_CONFIG_CANT_COMMIT,       "Can't Commit" },
+{ MPI_IOCSTATUS_SCSI_RECOVERED_ERROR,     "SCSI: Recoverd Error" },
+{ MPI_IOCSTATUS_SCSI_INVALID_BUS,         "SCSI: Invalid Bus" },
+{ MPI_IOCSTATUS_SCSI_INVALID_TARGETID,    "SCSI: Invalid Target ID" },
+{ MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE,    "SCSI: Device Not There" },
+{ MPI_IOCSTATUS_SCSI_DATA_OVERRUN,        "SCSI: Data Overrun" },
+{ MPI_IOCSTATUS_SCSI_DATA_UNDERRUN,       "SCSI: Data Underrun" },
+{ MPI_IOCSTATUS_SCSI_IO_DATA_ERROR,       "SCSI: Data Error" },
+{ MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR,      "SCSI: Protocol Error" },
+{ MPI_IOCSTATUS_SCSI_TASK_TERMINATED,     "SCSI: Task Terminated" },
+{ MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH,   "SCSI: Residual Mismatch" },
+{ MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED,    "SCSI: Task Management Failed" },
+{ MPI_IOCSTATUS_SCSI_IOC_TERMINATED,      "SCSI: IOC Bus Reset" },
+{ MPI_IOCSTATUS_SCSI_EXT_TERMINATED,      "SCSI: External Bus Reset" },
+{ MPI_IOCSTATUS_TARGET_PRIORITY_IO,       "SCSI Target: Priority I/O" },
+{ MPI_IOCSTATUS_TARGET_INVALID_PORT,      "SCSI Target: Invalid Port" },
+{ MPI_IOCSTATUS_TARGET_INVALID_IOCINDEX,  "SCSI Target: Invalid IOC Index" },
+{ MPI_IOCSTATUS_TARGET_ABORTED,           "SCSI Target: Aborted" },
+{ MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE, "SCSI Target: No Connection (Retryable)" },
+{ MPI_IOCSTATUS_TARGET_NO_CONNECTION,     "SCSI Target: No Connection" },
+{ MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH,"SCSI Target: Transfer Count Mismatch" },
+{ MPI_IOCSTATUS_TARGET_FC_ABORTED,        "FC: Aborted" },
+{ MPI_IOCSTATUS_TARGET_FC_RX_ID_INVALID,  "FC: Recieve ID Invalid" },
+{ MPI_IOCSTATUS_TARGET_FC_DID_INVALID,    "FC: Recieve DID Invalid" },
+{ MPI_IOCSTATUS_TARGET_FC_NODE_LOGGED_OUT,"FC: Node Logged Out" },
+{ MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND,     "LAN: Device Not Found" },
+{ MPI_IOCSTATUS_LAN_DEVICE_FAILURE,       "LAN: Device Not Failure" },
+{ MPI_IOCSTATUS_LAN_TRANSMIT_ERROR,       "LAN: Transmit Error" },
+{ MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED,     "LAN: Transmit Aborted" },
+{ MPI_IOCSTATUS_LAN_RECEIVE_ERROR,        "LAN: Recieve Error" },
+{ MPI_IOCSTATUS_LAN_RECEIVE_ABORTED,      "LAN: Recieve Aborted" },
+{ MPI_IOCSTATUS_LAN_PARTIAL_PACKET,       "LAN: Partial Packet" },
+{ MPI_IOCSTATUS_LAN_CANCELED,             "LAN: Canceled" },
+{ -1, 0},
+};
+
+static const struct Error_Map IOC_Func[] = {
+{ MPI_FUNCTION_SCSI_IO_REQUEST,              "SCSI IO Request" },
+{ MPI_FUNCTION_SCSI_TASK_MGMT,               "SCSI Task Management" },
+{ MPI_FUNCTION_IOC_INIT,                     "IOC Init" },
+{ MPI_FUNCTION_IOC_FACTS,                    "IOC Facts" },
+{ MPI_FUNCTION_CONFIG,                       "Config" },
+{ MPI_FUNCTION_PORT_FACTS,                   "Port Facts" },
+{ MPI_FUNCTION_PORT_ENABLE,                  "Port Enable" },
+{ MPI_FUNCTION_EVENT_NOTIFICATION,           "Event Notification" },
+{ MPI_FUNCTION_FW_DOWNLOAD,                  "FW Download" },
+{ MPI_FUNCTION_TARGET_CMD_BUFFER_POST,       "SCSI Target Command Buffer" },
+{ MPI_FUNCTION_TARGET_ASSIST,                "Target Assist" },
+{ MPI_FUNCTION_TARGET_STATUS_SEND,           "Target Status Send" },
+{ MPI_FUNCTION_TARGET_MODE_ABORT,            "Target Mode Abort" },
+{ MPI_FUNCTION_TARGET_FC_BUF_POST_LINK_SRVC, "FC: Link Service Buffers" },
+{ MPI_FUNCTION_TARGET_FC_RSP_LINK_SRVC,      "FC: Link Service Response" },
+{ MPI_FUNCTION_TARGET_FC_EX_SEND_LINK_SRVC,  "FC: Send Extended Link Service" },
+{ MPI_FUNCTION_TARGET_FC_ABORT,              "FC: Abort" },
+{ MPI_FUNCTION_LAN_SEND,                     "LAN Send" },
+{ MPI_FUNCTION_LAN_RECEIVE,                  "LAN Recieve" },
+{ MPI_FUNCTION_LAN_RESET,                    "LAN Reset" },
+{ -1, 0},
+};
+
+static const struct Error_Map IOC_Event[] = {
+{ MPI_EVENT_NONE,   	                "None" },
+{ MPI_EVENT_LOG_DATA,                   "LogData" },
+{ MPI_EVENT_STATE_CHANGE,               "State Change" },
+{ MPI_EVENT_UNIT_ATTENTION,             "Unit Attention" },
+{ MPI_EVENT_IOC_BUS_RESET,              "IOC Bus Reset" },
+{ MPI_EVENT_EXT_BUS_RESET,              "External Bus Reset" },
+{ MPI_EVENT_RESCAN,        	        "Rescan" },
+{ MPI_EVENT_LINK_STATUS_CHANGE,	        "Link Status Change" },
+{ MPI_EVENT_LOOP_STATE_CHANGE, 	        "Loop State Change" },
+{ MPI_EVENT_LOGOUT,    	       		"Logout" },
+{ MPI_EVENT_EVENT_CHANGE,               "EventChange" },
+{ -1, 0},
+};
+
+static const struct Error_Map IOC_SCSIState[] = {
+{ MPI_SCSI_STATE_AUTOSENSE_VALID,	"AutoSense_Valid" },
+{ MPI_SCSI_STATE_AUTOSENSE_FAILED,	"AutoSense_Failed" },
+{ MPI_SCSI_STATE_NO_SCSI_STATUS,	"No_SCSI_Status" },
+{ MPI_SCSI_STATE_TERMINATED,	   	"State_Terminated" },
+{ MPI_SCSI_STATE_RESPONSE_INFO_VALID,	"Repsonse_Info_Valid" },
+{ MPI_SCSI_STATE_QUEUE_TAG_REJECTED,	"Queue Tag Rejected" },
+{ -1, 0},
+};
+
+static const struct Error_Map IOC_SCSIStatus[] = {
+{ SCSI_OK,				"OK" },
+{ SCSI_CHECK,			"Check Condition" },
+#if 0
+{ SCSI_STATUS_COND_MET,			"Check Condition Met" },
+#endif
+{ SCSI_BUSY,				"Busy" },
+{ SCSI_INTERM,				"Intermidiate Condition" },
+#if 0
+{ SCSI_STATUS_INTERMED_COND_MET,	"Intermidiate Condition Met" },
+#endif
+{ SCSI_RESV_CONFLICT,			"Reservation Conflict" },
+#if 0
+{ SCSI_STATUS_CMD_TERMINATED,		"Command Terminated" },
+#endif
+{ SCSI_QUEUE_FULL,			"Queue Full" },
+{ -1, 0},
+};
+
+static const struct Error_Map IOC_Diag[] = {
+{ MPT_DIAG_ENABLED,	"DWE" },
+{ MPT_DIAG_FLASHBAD,	"FLASH_Bad" },
+{ MPT_DIAG_TTLI,	"TTLI" },
+{ MPT_DIAG_RESET_IOC,	"Reset" },
+{ MPT_DIAG_ARM_DISABLE,	"DisARM" },
+{ MPT_DIAG_DME,		"DME" },
+{ -1, 0 },
+};
+
+
+static void mpt_dump_sgl(SGE_IO_UNION *sgl);
+
+static char *
+mpt_ioc_status(int code)
+{
+	const struct Error_Map *status = IOC_Status;
+	static char buf[64];
+	while (status->Error_Code >= 0) {
+		if (status->Error_Code == (code & MPI_IOCSTATUS_MASK))
+			return status->Error_String;
+		status++;
+	}
+	snprintf(buf, sizeof buf, "Unknown (0x%08x)", code);
+	return buf;
+}
+
+char *
+mpt_ioc_diag(u_int32_t code)
+{
+	const struct Error_Map *status = IOC_Diag;
+	static char buf[128];
+	char *ptr = buf;
+	char *end = &buf[128];
+	buf[0] = '\0';
+	ptr += snprintf(buf, sizeof buf, "(0x%08x)", code);
+	while (status->Error_Code >= 0) {
+		if ((status->Error_Code & code) != 0)
+			ptr += snprintf(ptr, (size_t)(end-ptr), "%s ",
+				status->Error_String);
+		status++;
+	}
+	return buf;
+}
+
+static char *
+mpt_ioc_function(int code)
+{
+	const struct Error_Map *status = IOC_Func;
+	static char buf[64];
+	while (status->Error_Code >= 0) {
+		if (status->Error_Code == code)
+			return status->Error_String;
+		status++;
+	}
+	snprintf(buf, sizeof buf, "Unknown (0x%08x)", code);
+	return buf;
+}
+static char *
+mpt_ioc_event(int code)
+{
+	const struct Error_Map *status = IOC_Event;
+	static char buf[64];
+	while (status->Error_Code >= 0) {
+		if (status->Error_Code == code)
+			return status->Error_String;
+		status++;
+	}
+	snprintf(buf, sizeof buf, "Unknown (0x%08x)", code);
+	return buf;
+}
+static char *
+mpt_scsi_state(int code)
+{
+	const struct Error_Map *status = IOC_SCSIState;
+	static char buf[128];
+	char *ptr = buf;
+	char *end = &buf[128];
+	buf[0] = '\0';
+	ptr += snprintf(buf, sizeof buf, "(0x%08x)", code);
+	while (status->Error_Code >= 0) {
+		if ((status->Error_Code & code) != 0)
+			ptr += snprintf(ptr, (size_t)(end-ptr), "%s ",
+				status->Error_String);
+		status++;
+	}
+	return buf;
+}
+static char *
+mpt_scsi_status(int code)
+{
+	const struct Error_Map *status = IOC_SCSIStatus;
+	static char buf[64];
+	while (status->Error_Code >= 0) {
+		if (status->Error_Code == code)
+			return status->Error_String;
+		status++;
+	}
+	snprintf(buf, sizeof buf, "Unknown (0x%08x)", code);
+	return buf;
+}
+static char *
+mpt_who(int who_init)
+{
+	char *who;
+
+	switch (who_init) {
+	case MPT_DB_INIT_NOONE:       who = "No One";        break;
+	case MPT_DB_INIT_BIOS:        who = "BIOS";          break;
+	case MPT_DB_INIT_ROMBIOS:     who = "ROM BIOS";      break;
+	case MPT_DB_INIT_PCIPEER:     who = "PCI Peer";      break;
+	case MPT_DB_INIT_HOST:        who = "Host Driver";   break;
+	case MPT_DB_INIT_MANUFACTURE: who = "Manufacturing"; break;
+	default:                      who = "Unknown";       break;
+	}
+	return who;
+}
+
+static char *
+mpt_state(u_int32_t mb)
+{
+	char *text;
+
+	switch (MPT_STATE(mb)) {
+		case MPT_DB_STATE_RESET:  text = "Reset";   break;
+		case MPT_DB_STATE_READY:  text = "Ready";   break;
+		case MPT_DB_STATE_RUNNING:text = "Running"; break;
+		case MPT_DB_STATE_FAULT:  text = "Fault";   break;
+		default: 		  text = "Unknown"; break;
+	}
+	return text;
+};
+
+void
+mpt_print_db(u_int32_t mb)
+{
+	printf("mpt mailbox: (0x%x) State %s  WhoInit %s\n",
+	    mb, mpt_state(mb), mpt_who(MPT_WHO(mb)));
+}
+
+/*****************************************************************************/
+/*  Reply functions                                                          */
+/*****************************************************************************/
+static void
+mpt_print_reply_hdr(MSG_DEFAULT_REPLY *msg)
+{
+	printf("%s Reply @ %p\n", mpt_ioc_function(msg->Function), msg);
+	printf("\tIOC Status    %s\n", mpt_ioc_status(msg->IOCStatus));
+	printf("\tIOCLogInfo    0x%08x\n", msg->IOCLogInfo);
+	printf("\tMsgLength     0x%02x\n", msg->MsgLength);
+	printf("\tMsgFlags      0x%02x\n", msg->MsgFlags);
+	printf("\tMsgContext    0x%08x\n", msg->MsgContext);
+}
+
+static void
+mpt_print_init_reply(MSG_IOC_INIT_REPLY *msg)
+{
+	mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+	printf("\tWhoInit       %s\n", mpt_who(msg->WhoInit));
+	printf("\tMaxDevices    0x%02x\n", msg->MaxDevices);
+	printf("\tMaxBuses     0x%02x\n", msg->MaxBuses);
+}
+
+static void
+mpt_print_ioc_facts(MSG_IOC_FACTS_REPLY *msg)
+{
+	mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+	printf("\tIOCNumber     %d\n",		msg->IOCNumber);
+	printf("\tMaxChainDepth %d\n",		msg->MaxChainDepth);
+	printf("\tWhoInit       %s\n",		mpt_who(msg->WhoInit));
+	printf("\tBlockSize     %d\n",		msg->BlockSize);
+	printf("\tFlags         %d\n",		msg->Flags);
+	printf("\tReplyQueueDepth %d\n",	msg->ReplyQueueDepth);
+	printf("\tReqFrameSize  0x%04x\n",	msg->RequestFrameSize);
+	printf("\tFW Version    0x%08x\n",	msg->FWVersion.Word);
+	printf("\tProduct ID    0x%04x\n",	msg->ProductID);
+	printf("\tCredits       0x%04x\n",	msg->GlobalCredits);
+	printf("\tPorts         %d\n",		msg->NumberOfPorts);
+	printf("\tEventState    0x%02x\n",	msg->EventState);
+	printf("\tHostMFA_HA    0x%08x\n",	msg->CurrentHostMfaHighAddr);
+	printf("\tSenseBuf_HA   0x%08x\n",
+	    msg->CurrentSenseBufferHighAddr);
+	printf("\tRepFrameSize  0x%04x\n",	msg->CurReplyFrameSize);
+	printf("\tMaxDevices    0x%02x\n",	msg->MaxDevices);
+	printf("\tMaxBuses      0x%02x\n",	msg->MaxBuses);
+	printf("\tFWImageSize   0x%04x\n",	msg->FWImageSize);
+}
+
+static void
+mpt_print_enable_reply(MSG_PORT_ENABLE_REPLY *msg)
+{
+	mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+	printf("\tPort:         %d\n", msg->PortNumber);
+}
+
+static void
+mpt_print_scsi_io_reply(MSG_SCSI_IO_REPLY *msg)
+{
+	mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+	printf("\tBus:          %d\n", msg->Bus);
+	printf("\tTargetID      %d\n", msg->TargetID);
+	printf("\tCDBLength     %d\n", msg->CDBLength);
+	printf("\tSCSI Status:  %s\n", mpt_scsi_status(msg->SCSIStatus));
+	printf("\tSCSI State:   %s\n", mpt_scsi_state(msg->SCSIState));
+	printf("\tTransferCnt   0x%04x\n", msg->TransferCount);
+	printf("\tSenseCnt      0x%04x\n", msg->SenseCount);
+	printf("\tResponseInfo  0x%08x\n", msg->ResponseInfo);
+}
+
+
+
+static void
+mpt_print_event_notice(MSG_EVENT_NOTIFY_REPLY *msg)
+{
+	mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+	printf("\tEvent:        %s\n", mpt_ioc_event(msg->Event));
+	printf("\tEventContext  0x%04x\n", msg->EventContext);
+	printf("\tAckRequired     %d\n", msg->AckRequired);
+	printf("\tEventDataLength %d\n", msg->EventDataLength);
+	printf("\tContinuation    %d\n", msg->MsgFlags & 0x80);
+	switch(msg->Event) {
+	case MPI_EVENT_LOG_DATA:
+		printf("\tEvtLogData:   0x%04x\n", msg->Data[0]);
+		break;
+
+	case MPI_EVENT_UNIT_ATTENTION:
+		printf("\tTargetID:     0x%04x\n",
+			msg->Data[0] & 0xff);
+		printf("\tBus:          0x%04x\n",
+			(msg->Data[0] >> 8) & 0xff);
+		break;
+
+	case MPI_EVENT_IOC_BUS_RESET:
+	case MPI_EVENT_EXT_BUS_RESET:
+	case MPI_EVENT_RESCAN:
+		printf("\tPort:           %d\n",
+			(msg->Data[0] >> 8) & 0xff);
+		break;
+
+	case MPI_EVENT_LINK_STATUS_CHANGE:
+		printf("\tLinkState:    %d\n",
+			msg->Data[0] & 0xff);
+		printf("\tPort:         %d\n",
+			(msg->Data[1] >> 8) & 0xff);
+		break;
+
+	case MPI_EVENT_LOOP_STATE_CHANGE:
+		printf("\tType:         %d\n",
+			(msg->Data[0] >> 16) & 0xff);
+		printf("\tChar3:      0x%02x\n",
+			(msg->Data[0] >> 8) & 0xff);
+		printf("\tChar4:      0x%02x\n",
+			(msg->Data[0]     ) & 0xff);
+		printf("\tPort:         %d\n",
+			(msg->Data[1] >> 8) & 0xff);
+		break;
+
+	case MPI_EVENT_LOGOUT:
+		printf("\tN_PortId:   0x%04x\n", msg->Data[0]);
+		printf("\tPort:         %d\n",
+			(msg->Data[1] >> 8) & 0xff);
+		break;
+	}
+
+}
+
+void
+mpt_print_reply(void *vmsg)
+{
+	MSG_DEFAULT_REPLY *msg = vmsg;
+
+	switch (msg->Function) {
+	case MPI_FUNCTION_EVENT_NOTIFICATION:
+		mpt_print_event_notice((MSG_EVENT_NOTIFY_REPLY *)msg);
+		break;
+	case MPI_FUNCTION_PORT_ENABLE:
+		mpt_print_enable_reply((MSG_PORT_ENABLE_REPLY *)msg);
+		break;
+	case MPI_FUNCTION_IOC_FACTS:
+		mpt_print_ioc_facts((MSG_IOC_FACTS_REPLY *)msg);
+		break;
+	case MPI_FUNCTION_IOC_INIT:
+		mpt_print_init_reply((MSG_IOC_INIT_REPLY *)msg);
+		break;
+	case MPI_FUNCTION_SCSI_IO_REQUEST:
+		mpt_print_scsi_io_reply((MSG_SCSI_IO_REPLY *)msg);
+		break;
+	default:
+		mpt_print_reply_hdr((MSG_DEFAULT_REPLY *)msg);
+		break;
+	}
+}
+
+/*****************************************************************************/
+/*  Request functions                                                        */
+/*****************************************************************************/
+static void
+mpt_print_request_hdr(MSG_REQUEST_HEADER *req)
+{
+	printf("%s @ %p\n", mpt_ioc_function(req->Function), req);
+	printf("\tChain Offset  0x%02x\n", req->ChainOffset);
+	printf("\tMsgFlags      0x%02x\n", req->MsgFlags);
+	printf("\tMsgContext    0x%08x\n", req->MsgContext);
+}
+
+void
+mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *orig_msg)
+{
+	MSG_SCSI_IO_REQUEST local, *msg = &local;
+	int i;
+
+	bcopy(orig_msg, msg, sizeof (MSG_SCSI_IO_REQUEST));
+	mpt_print_request_hdr((MSG_REQUEST_HEADER *)msg);
+	printf("\tBus:                %d\n", msg->Bus);
+	printf("\tTargetID            %d\n", msg->TargetID);
+	printf("\tSenseBufferLength   %d\n", msg->SenseBufferLength);
+	printf("\tLUN:              0x%0x\n", msg->LUN[1]);
+	printf("\tControl           0x%08x ", msg->Control);
+#define MPI_PRINT_FIELD(x)						\
+	case MPI_SCSIIO_CONTROL_ ## x :					\
+		printf(" " #x " ");					\
+		break
+
+	switch (msg->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK) {
+	MPI_PRINT_FIELD(NODATATRANSFER);
+	MPI_PRINT_FIELD(WRITE);
+	MPI_PRINT_FIELD(READ);
+	default:
+		printf(" Invalid DIR! ");
+		break;
+	}
+	switch (msg->Control & MPI_SCSIIO_CONTROL_TASKATTRIBUTE_MASK) {
+	MPI_PRINT_FIELD(SIMPLEQ);
+	MPI_PRINT_FIELD(HEADOFQ);
+	MPI_PRINT_FIELD(ORDEREDQ);
+	MPI_PRINT_FIELD(ACAQ);
+	MPI_PRINT_FIELD(UNTAGGED);
+	MPI_PRINT_FIELD(NO_DISCONNECT);
+	default:
+		printf(" Unknown attribute! ");
+		break;
+	}
+
+	printf("\n");
+#undef MPI_PRINT_FIELD
+
+	printf("\tDataLength\t0x%08x\n", msg->DataLength);
+	printf("\tSenseBufAddr\t0x%08x\n", msg->SenseBufferLowAddr);
+	printf("\tCDB[0:%d]\t", msg->CDBLength);
+	for (i = 0; i < msg->CDBLength; i++)
+		printf("%02x ", msg->CDB[i]);
+	printf("\n");
+	mpt_dump_sgl(&orig_msg->SGL);
+}
+
+void
+mpt_print_request(void *vreq)
+{
+	MSG_REQUEST_HEADER *req = vreq;
+
+	switch (req->Function) {
+	case MPI_FUNCTION_SCSI_IO_REQUEST:
+		mpt_print_scsi_io_request((MSG_SCSI_IO_REQUEST *)req);
+		break;
+	default:
+		mpt_print_request_hdr(req);
+		break;
+	}
+}
+
+char *
+mpt_req_state(enum mpt_req_state state)
+{
+	char *text;
+
+	switch (state) {
+	case REQ_FREE:         text = "Free";         break;
+	case REQ_IN_PROGRESS:  text = "In Progress";  break;
+	case REQ_ON_CHIP:      text = "On Chip";      break;
+	case REQ_TIMEOUT:      text = "Timeout";      break;
+	default: 	       text = "Unknown";      break;
+	}
+	return text;
+};
+
+static void
+mpt_dump_sgl(SGE_IO_UNION *su)
+{
+	SGE_SIMPLE32 *se = (SGE_SIMPLE32 *) su;
+	int iCount, flags;
+
+	iCount = MPT_SGL_MAX;
+	do {
+		int iprt;
+
+		printf("\t");
+		flags = MPI_SGE_GET_FLAGS(se->FlagsLength);
+		switch (flags & MPI_SGE_FLAGS_ELEMENT_MASK) {
+		case MPI_SGE_FLAGS_SIMPLE_ELEMENT:
+		{
+			printf("SE32 %p: Addr=0x%0x FlagsLength=0x%0x\n",
+			    se, se->Address, se->FlagsLength);
+			printf(" ");
+			break;
+		}
+		case MPI_SGE_FLAGS_CHAIN_ELEMENT:
+		{
+			SGE_CHAIN32 *ce = (SGE_CHAIN32 *) se;
+			printf("CE32 %p: Addr=0x%0x NxtChnO=0x%x Flgs=0x%x "
+			    "Len=0x%0x\n", ce, ce->Address, ce->NextChainOffset,
+			    ce->Flags, ce->Length);
+			flags = 0;
+			break;
+		}
+		case MPI_SGE_FLAGS_TRANSACTION_ELEMENT:
+			printf("TE32 @ %p\n", se);
+			flags = 0;
+			break;
+		}
+		iprt = 0;
+#define MPT_PRINT_FLAG(x)						\
+		if (flags & MPI_SGE_FLAGS_ ## x ) { 			\
+			if (iprt == 0) {				\
+				printf("\t");				\
+			}						\
+			printf(" ");					\
+			printf( #x );					\
+			iprt++;						\
+		}
+		MPT_PRINT_FLAG(LOCAL_ADDRESS);
+		MPT_PRINT_FLAG(HOST_TO_IOC);
+		MPT_PRINT_FLAG(64_BIT_ADDRESSING);
+		MPT_PRINT_FLAG(LAST_ELEMENT);
+		MPT_PRINT_FLAG(END_OF_BUFFER);
+		MPT_PRINT_FLAG(END_OF_LIST);
+#undef MPT_PRINT_FLAG
+		if (iprt)
+			printf("\n");
+		se++;
+		iCount -= 1;
+	} while ((flags & MPI_SGE_FLAGS_END_OF_LIST) == 0 && iCount != 0);
+}