/*
 * 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 _VSW_HIO_H
#define _VSW_HIO_H

#ifdef  __cplusplus
extern "C" {
#endif

/* kstats for hybrid io resources */
typedef struct vsw_hio_kstats {
        kstat_named_t   hio_capable;            /* is hybrid io capable */
        kstat_named_t   hio_num_shares;         /* # of hybrid io shares */

        struct {
                kstat_named_t   assigned;       /* to which mac */
                kstat_named_t   state;          /* share state */
        } share[1];
        /* space for other shares here */
} vsw_hio_kstats_t;

typedef struct vsw_share {
        uint32_t        vs_state;       /* State of this share */
        uint32_t        vs_index;       /* Index in the shares array */
        struct vsw      *vs_vswp;       /* Back pointer to vswp */
        uint8_t         vs_req_id;      /* DDS request ID */

        /* Cached info */
        vsw_port_t      *vs_portp;      /* Corresponding port */
        uint64_t        vs_ldcid;       /* LDC to which the share is assigned */
        uint64_t        vs_macaddr;     /* Associated MAC addr */
        uint64_t        vs_cookie;      /* Share Cookie from alloc_share */

} vsw_share_t;

#define VSW_SHARE_FREE          0x0
#define VSW_SHARE_ASSIGNED      0x1
#define VSW_SHARE_DDS_SENT      0x2
#define VSW_SHARE_DDS_ACKD      0x4

/* Hybrid related info */
typedef struct vsw_hio {
        uint32_t                vh_num_shares;  /* Number of shares available */
        vsw_share_t             *vh_shares;     /* Array of Shares */
        uint32_t                vh_kstat_size;  /* size for the whole kstats */
        vsw_hio_kstats_t        *vh_kstatsp;    /* stats for vsw hio */
        kstat_t                 *vh_ksp;        /* kstats */
} vsw_hio_t;


#ifdef  __cplusplus
}
#endif

#endif  /* _VSW_HIO_H */