sys/fibre-channel/fc_types.h

	fc_types.h revision fcf3ce441efd61da9bb2884968af01cb7c1452cc
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _FC_TYPES_H
#define _FC_TYPES_H


/*
 * Types for FC Transport subsystems.
 *
 * This file picks up specific as well as generic type
 * defines, and also serves as a wrapper for many common
 * includes.
 */

#include <sys/types.h>
#include <sys/param.h>

#ifdef  __cplusplus
extern "C" {
#endif

#if !defined(_BIT_FIELDS_LTOH) && !defined(_BIT_FIELDS_HTOL)
#error  One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
#endif  /* _BIT_FIELDS_LTOH */

#ifdef  _KERNEL
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <sys/debug.h>
#include <sys/devops.h>
#include <sys/callb.h>
#include <sys/disp.h>
#include <sys/taskq.h>
#endif  /* _KERNEL */

#ifndef _SYS_SCSI_SCSI_TYPES_H


#ifdef  __STDC__
typedef void *opaque_t;
#else   /* __STDC__ */
typedef char *opaque_t;
#endif  /* __STDC__ */

#endif /* _SYS_SCSI_SCSI_TYPES_H */

/* Sysevent defs */
#define EC_SUNFC        "EC_sunfc"
#define ESC_SUNFC_PORT_ATTACH   "ESC_sunfc_port_attach"
#define ESC_SUNFC_PORT_DETACH   "ESC_sunfc_port_detach"
#define ESC_SUNFC_PORT_ONLINE   "ESC_sunfc_port_online"
#define ESC_SUNFC_PORT_OFFLINE  "ESC_sunfc_port_offline"
#define ESC_SUNFC_PORT_RSCN "ESC_sunfc_port_rscn"
#define ESC_SUNFC_TARGET_ADD    "ESC_sunfc_target_add"
#define ESC_SUNFC_TARGET_REMOVE "ESC_sunfc_target_remove"
#define ESC_SUNFC_DEVICE_ONLINE "ESC_sunfc_device_online"
#define ESC_SUNFC_DEVICE_OFFLINE    "ESC_sunfc_device_offline"

/* T11 FC-HBA state change tracking */
typedef uint64_t    fc_hba_state_change_t;

typedef struct port_id {
#if defined(_BIT_FIELDS_LTOH)
    uint32_t    port_id : 24,       /* Port Identifier */
            priv_lilp_posit : 8;    /* LILP map position */
#else
    uint32_t    priv_lilp_posit : 8,    /* LILP map position */
            port_id : 24;       /* Port Identifier */
#endif  /* _BIT_FIELDS_LTOH */
} fc_portid_t;

typedef struct hard_addr {
#if defined(_BIT_FIELDS_LTOH)
    uint32_t    hard_addr : 24,     /* hard address */
            rsvd : 8;       /* reserved */
#else
    uint32_t    rsvd : 8,
            hard_addr : 24;     /* hard address */
#endif  /* _BIT_FIELDS_LTOH */
} fc_hardaddr_t;

typedef struct port_type {
#if defined(_BIT_FIELDS_LTOH)
    uint32_t    rsvd        : 24,
            port_type   : 8;
#else
    uint32_t    port_type       : 8,
            rsvd        : 24;
#endif  /* _BIT_FIELDS_LTOH */
} fc_porttype_t;

/*
 * FCA post reset behavior
 */
typedef enum fc_reset_action {
    FC_RESET_RETURN_NONE,       /* Can't return any */
    FC_RESET_RETURN_ALL,        /* Return all commands reached here */
    FC_RESET_RETURN_OUTSTANDING /* Return ones that haven't gone out */
} fc_reset_action_t;

/*
 * FCA DMA behavior on Unaligned buffers
 */
typedef enum fc_dma_behavior {
    FC_ALLOW_STREAMING,     /* Streaming mode for all xfers */
    FC_NO_STREAMING         /* Disable Streaming on unaligned */
                    /* buffer or byte counts */
} fc_dma_behavior_t;


/*
 * FCA FCP command and response allocation in DVMA space
 */
typedef enum fc_fcp_dma {
    FC_DVMA_SPACE,          /* allocation should be in DVMA mem */
    FC_NO_DVMA_SPACE        /* allocation shouldn't be DVMA mem */
} fc_fcp_dma_t;


/*
 * struct to track rscn info both within the transport layer
 * and between the ULPs and transport.
 */
typedef struct      fc_ulp_rscn_info {
    uint32_t    ulp_rscn_count;
} fc_ulp_rscn_info_t;

/*
 * Define a value for ulp_rscn_count to indicate that the contents
 * of the fc_ulp_rscn_info_t struct are invalid. Note that some parts of the
 * code assume that this value is zero, i.e., they use kmem_zalloc().
 */
#define FC_INVALID_RSCN_COUNT       ((uint32_t)0)

/*
 * FC Transport exported header files to all Consumers
 */

#ifdef  _KERNEL
#include <sys/fibre-channel/impl/fcph.h>
#include <sys/fibre-channel/fc_appif.h>
#include <sys/fibre-channel/impl/fc_linkapp.h>
#include <sys/fibre-channel/impl/fcgs2.h>
#include <sys/fibre-channel/impl/fc_fla.h>
#include <sys/fibre-channel/impl/fcal.h>
#include <sys/fibre-channel/impl/fctl.h>
#include <sys/fibre-channel/impl/fc_error.h>
#include <sys/fibre-channel/fcio.h>
#include <sys/fibre-channel/ulp/fcp.h>
#include <sys/fibre-channel/ulp/fcp_util.h>

/*
 * For drivers which do not include these - must be last
 */
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/stat.h>
#include <sys/sunndi.h>
#include <sys/devctl.h>
#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _FC_TYPES_H */