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 */ 74