usr/src/uts/sun4u/sys/iocache.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1991-1994,1997-1998 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_IOCACHE_H
  28 #define _SYS_IOCACHE_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifndef _ASM
  33 #include <sys/sysiosbus.h>
  34 #endif
  35
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #define OFF_STR_BUF_CTRL_REG    0x2800
  41 #define STR_BUF_CTRL_REG_SIZE   (NATURAL_REG_SIZE)
  42 #define OFF_STR_BUF_FLUSH_REG   0x2808
  43 #define STR_BUF_FLUSH_REG_SIZE  (NATURAL_REG_SIZE)
  44 #define OFF_STR_BUF_SYNC_REG    0x2810
  45 #define STR_BUF_SYNC_REG_SIZE   (NATURAL_REG_SIZE)
  46 #define STR_BUF_PAGE_TAG_DIAG   0x5800
  47
  48 #define STREAM_BUF_DISABLE      0x0ull
  49 #define STREAM_BUF_ENABLE       0x1ull
  50 #define STREAM_BUF_DIAG_ENABLE  0x2ull
  51 #define IOCACHE_LINE_SIZE_MASK  0x3f            /* 64 byte line size */
  52 #define STREAM_BUF_OFF          1               /* All stream bufs off */
  53 #define STREAM_BUF_TIMEOUT      2               /* Streaming buf timed out */
  54 #define STREAM_CACHE_LINES      16
  55
  56 #define STR_PG_VALID            0x2ull
  57 #define STR_PG_SHIFT            11
  58 #define STR_PG_MASK             0x3ffffull
  59
  60 #if defined(_KERNEL) && !defined(_ASM)
  61
  62 extern int stream_buf_init(struct sbus_soft_state *, caddr_t);
  63 extern int stream_buf_resume_init(struct sbus_soft_state *);
  64 extern void sync_stream_buf(struct sbus_soft_state *, uint_t, uint_t, int *,
  65     uint64_t);
  66
  67 #endif /* _KERNEL && !_ASM */
  68
  69 #ifdef  __cplusplus
  70 }
  71 #endif
  72
  73 #endif  /* _SYS_IOCACHE_H */