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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #ifndef	_VSW_HIO_H
     28 #define	_VSW_HIO_H
     29 
     30 #ifdef	__cplusplus
     31 extern "C" {
     32 #endif
     33 
     34 /* kstats for hybrid io resources */
     35 typedef struct vsw_hio_kstats {
     36 	kstat_named_t	hio_capable;		/* is hybrid io capable */
     37 	kstat_named_t	hio_num_shares;		/* # of hybrid io shares */
     38 
     39 	struct {
     40 		kstat_named_t	assigned;	/* to which mac */
     41 		kstat_named_t	state;		/* share state */
     42 	} share[1];
     43 	/* space for other shares here */
     44 } vsw_hio_kstats_t;
     45 
     46 typedef struct vsw_share {
     47 	uint32_t	vs_state;	/* State of this share */
     48 	uint32_t	vs_index;	/* Index in the shares array */
     49 	struct vsw	*vs_vswp;	/* Back pointer to vswp */
     50 	uint8_t		vs_req_id;	/* DDS request ID */
     51 
     52 	/* Cached info */
     53 	vsw_port_t	*vs_portp;	/* Corresponding port */
     54 	uint64_t	vs_ldcid;	/* LDC to which the share is assigned */
     55 	uint64_t	vs_macaddr;	/* Associated MAC addr */
     56 	uint64_t	vs_cookie;	/* Share Cookie from alloc_share */
     57 
     58 } vsw_share_t;
     59 
     60 #define	VSW_SHARE_FREE		0x0
     61 #define	VSW_SHARE_ASSIGNED	0x1
     62 #define	VSW_SHARE_DDS_SENT	0x2
     63 #define	VSW_SHARE_DDS_ACKD	0x4
     64 
     65 /* Hybrid related info */
     66 typedef struct vsw_hio {
     67 	uint32_t		vh_num_shares;	/* Number of shares available */
     68 	vsw_share_t		*vh_shares;	/* Array of Shares */
     69 	uint32_t		vh_kstat_size;	/* size for the whole kstats */
     70 	vsw_hio_kstats_t	*vh_kstatsp;	/* stats for vsw hio */
     71 	kstat_t			*vh_ksp;	/* kstats */
     72 } vsw_hio_t;
     73 
     74 
     75 #ifdef	__cplusplus
     76 }
     77 #endif
     78 
     79 #endif	/* _VSW_HIO_H */
     80