usr/src/uts/sun4v/sys/vsw_hio.h

   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 */