/* $FreeBSD: src/sys/dev/isp/isp_ioctl.h,v 1.13 2005/10/29 02:46:59 mjacob Exp $ */
/*-
 * Copyright (c) 2001 by Matthew Jacob
 *
 * 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, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * Alternatively, this software may be distributed under the terms of the
 * the GNU Public License ("GPL", Library, Version 2).
 *
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 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.
 *
 * Matthew Jacob <mjacob@feral.com)
 *
 */
/*
 * ioctl definitions for Qlogic FC/SCSI HBA driver
 */
#define	ISP_IOC		(021)	/* 'Ctrl-Q' */

/*
 * This ioctl sets/retrieves the debugging level for this hba instance.
 * Note that this is not a simple integer level- see ispvar.h for definitions.
 *
 * The arguments is a pointer to an integer with the new debugging level.
 * The old value is written into this argument.
 */

#define	ISP_SDBLEV	_IOWR(ISP_IOC, 1, int)

/*
 * This ioctl resets the HBA. Use with caution.
 */
#define	ISP_RESETHBA	_IO(ISP_IOC, 2)

/*
 * This ioctl performs a fibre chanel rescan.
 */
#define	ISP_RESCAN	_IO(ISP_IOC, 3)

/*
 * This ioctl performs a reset and then will set the adapter to the
 * role that was passed in (the old role will be returned). It almost
 * goes w/o saying: use with caution.
 */
#define ISP_SETROLE     _IOWR(ISP_IOC, 4, int)

#define ISP_ROLE_NONE           0x0
#define ISP_ROLE_TARGET         0x1
#define ISP_ROLE_INITIATOR      0x2
#define ISP_ROLE_BOTH           (ISP_ROLE_TARGET|ISP_ROLE_INITIATOR)
#ifndef ISP_DEFAULT_ROLES
#define ISP_DEFAULT_ROLES       ISP_ROLE_BOTH
#endif

/*
 * Get the current adapter role
 */
#define ISP_GETROLE     _IOR(ISP_IOC, 5, int)

/*
 * Get/Clear Stats
 */
#define	ISP_STATS_VERSION	0
typedef struct {
	u_int8_t	isp_stat_version;
	u_int8_t	isp_type;		/* (ro) reflects chip type */
	u_int8_t	isp_revision;		/* (ro) reflects chip version */
	u_int8_t	unused1;
	u_int32_t	unused2;
	/*
	 * Statistics Counters
	 */
#define	ISP_NSTATS	16
#define	ISP_INTCNT	0
#define	ISP_INTBOGUS	1
#define	ISP_INTMBOXC	2
#define	ISP_INGOASYNC	3
#define	ISP_RSLTCCMPLT	4
#define	ISP_FPHCCMCPLT	5
#define	ISP_RSCCHIWAT	6
#define	ISP_FPCCHIWAT	7
	u_int64_t	isp_stats[ISP_NSTATS];
} isp_stats_t;

#define	ISP_GET_STATS	_IOR(ISP_IOC, 6, isp_stats_t)
#define	ISP_CLR_STATS	_IO(ISP_IOC, 7)

/*
 * Initiate a LIP
 */
#define	ISP_FC_LIP	_IO(ISP_IOC, 8)

/*
 * Return the Port Database structure for the named device, or ENODEV if none.
 * Caller fills in virtual loopid (0..255), aka 'target'. The driver returns
 * ENODEV (if nothing valid there) or the actual loopid (for local loop devices
 * only), 24 bit Port ID and Node and Port WWNs.
 */
struct isp_fc_device {
	u_int32_t	loopid;		/* 0..255 */
	u_int32_t		: 6,
			role 	: 2,
			portid	: 24;	/* 24 bit Port ID */
	u_int64_t	node_wwn;
	u_int64_t	port_wwn;
};
#define	ISP_FC_GETDINFO	_IOWR(ISP_IOC, 9, struct isp_fc_device)

/*
 * Get F/W crash dump
 */
#define	ISP_GET_FW_CRASH_DUMP	_IO(ISP_IOC, 10)
#define	ISP_FORCE_CRASH_DUMP	_IO(ISP_IOC, 11)

/*
 * Get information about this Host Adapter, including current connection
 * topology and capabilities.
 */
struct isp_hba_device {
	u_int32_t
					: 8,
					: 4,
		fc_speed		: 4,	/* Gbps */
					: 2,
		fc_class2		: 1,
		fc_ip_supported		: 1,
		fc_scsi_supported	: 1,
		fc_topology		: 3,
		fc_loopid		: 8;
	u_int8_t	fc_fw_major;
	u_int8_t	fc_fw_minor;
	u_int8_t	fc_fw_micro;
	u_int8_t	reserved;
	u_int64_t	nvram_node_wwn;
	u_int64_t	nvram_port_wwn;
	u_int64_t	active_node_wwn;
	u_int64_t	active_port_wwn;
};

#define	ISP_TOPO_UNKNOWN	0	/* connection topology unknown */
#define	ISP_TOPO_FCAL		1	/* private or PL_DA */
#define	ISP_TOPO_LPORT		2	/* public loop */
#define	ISP_TOPO_NPORT		3	/* N-port */
#define	ISP_TOPO_FPORT		4	/* F-port */

#define	ISP_FC_GETHINFO	_IOR(ISP_IOC, 12, struct isp_hba_device)
/*
 * Set some internal parameters. This doesn't take effect until
 * the chip is reset.
 *
 * Each parameter is generalized to be a name string with an integer value.
 *
 * Known parameters are:
 *
 *	Name				Value Range
 *	
 *	"framelength"			512,1024,2048
 *	"exec_throttle"			16..255
 *	"fullduplex"			0,1
 *	"loopid"			0..125
 */

struct isp_fc_param {
	char		param_name[16];	/* null terminated */
	u_int32_t	parameter;
};

#define	ISP_GET_FC_PARAM	_IOWR(ISP_IOC, 98, struct isp_fc_param)
#define	ISP_SET_FC_PARAM	_IOWR(ISP_IOC, 99, struct isp_fc_param)

/*
 * Various Reset Goodies
 */
struct isp_fc_tsk_mgmt {
	u_int32_t	loopid;		/* 0..255 */
	u_int32_t	lun;
	enum {
	    CLEAR_ACA, TARGET_RESET, LUN_RESET, CLEAR_TASK_SET, ABORT_TASK_SET
	} action;
};
#define	ISP_TSK_MGMT		_IOWR(ISP_IOC, 97, struct isp_fc_tsk_mgmt)
