usr/src/uts/common/sys/bofi_impl.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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_BOFI_IMPL_H
  27 #define _SYS_BOFI_IMPL_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 struct bofi_errent {
  36         struct bofi_errent *next;       /* next on in-use chain */
  37         struct bofi_errent *cnext;      /* next on clone chain */
  38         struct bofi_errent *cprev;      /* prev on clone chain */
  39         struct bofi_errdef errdef;
  40         struct bofi_errstate errstate;
  41         caddr_t name;
  42         struct acc_log_elem *logbase;
  43         uint_t state;
  44         kcondvar_t cv;
  45         ddi_softintr_t softintr_id;
  46 };
  47
  48 /*
  49  * values for state
  50  */
  51 #define BOFI_DEV_ACTIVE 1
  52 #define BOFI_NEW_MESSAGE 2
  53 #define BOFI_MESSAGE_WAIT 4
  54 #define BOFI_DEBUG 8
  55
  56 #define BOFI_NLINKS 8192
  57
  58 struct bofi_link {
  59         struct bofi_link *link; /* next on shadow handle chain */
  60         struct bofi_errent *errentp;    /* pointer to corresponding errent */
  61 };
  62
  63 struct bofi_shadow {
  64         union {
  65                 struct dvma_ops dvma_ops;
  66                 ddi_acc_impl_t acc;
  67                 struct {
  68                         uint_t (*int_handler)(caddr_t, caddr_t);
  69                         caddr_t int_handler_arg1;
  70                         caddr_t int_handler_arg2;
  71                 } intr;
  72         } save;
  73         struct bofi_shadow *next;       /* next on inuse chain */
  74         struct bofi_shadow *prev;       /* prev on inuse chain */
  75         struct bofi_shadow *hnext;      /* next on hhash chain */
  76         struct bofi_shadow *hprev;      /* prev on hhash chain */
  77         struct bofi_shadow *dnext;      /* next on dhash chain */
  78         struct bofi_shadow *dprev;      /* prev on dhash chain */
  79         struct bofi_link *link; /* errdef chain */
  80         uint_t type;
  81         union {
  82                 ddi_dma_handle_t dma_handle;
  83                 ddi_acc_handle_t acc_handle;
  84         } hdl;
  85         uint32_t bofi_inum;
  86         dev_info_t *dip;
  87         char name[NAMESIZE];            /* as returned by ddi_get_name() */
  88         int instance;           /* as returned by ddi_get_instance() */
  89         int rnumber;
  90         offset_t offset;
  91         offset_t len;
  92         caddr_t addr;
  93         caddr_t mapaddr;
  94         caddr_t origaddr;
  95         caddr_t allocaddr;
  96         uint_t flags;
  97         int map_flags;
  98         page_t *map_pp;
  99         page_t **map_pplist;
 100         struct bofi_shadow **hparrayp;
 101         int hilevel;
 102         ddi_umem_cookie_t umem_cookie;
 103 };
 104
 105 /*
 106  * values for type
 107  */
 108 #define BOFI_ACC_HDL 1
 109 #define BOFI_DMA_HDL 2
 110 #define BOFI_INT_HDL 3
 111 #define BOFI_NULL    4
 112
 113 #ifdef __cplusplus
 114 }
 115 #endif
 116
 117 #endif  /* _SYS_BOFI_IMPL_H */