diff options
Diffstat (limited to 'usr/src/uts/sun4u/sys/iocache.h')
| -rw-r--r-- | usr/src/uts/sun4u/sys/iocache.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/usr/src/uts/sun4u/sys/iocache.h b/usr/src/uts/sun4u/sys/iocache.h new file mode 100644 index 0000000000..65a239821f --- /dev/null +++ b/usr/src/uts/sun4u/sys/iocache.h @@ -0,0 +1,73 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1991-1994,1997-1998 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#ifndef _SYS_IOCACHE_H +#define _SYS_IOCACHE_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifndef _ASM +#include <sys/sysiosbus.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define OFF_STR_BUF_CTRL_REG 0x2800 +#define STR_BUF_CTRL_REG_SIZE (NATURAL_REG_SIZE) +#define OFF_STR_BUF_FLUSH_REG 0x2808 +#define STR_BUF_FLUSH_REG_SIZE (NATURAL_REG_SIZE) +#define OFF_STR_BUF_SYNC_REG 0x2810 +#define STR_BUF_SYNC_REG_SIZE (NATURAL_REG_SIZE) +#define STR_BUF_PAGE_TAG_DIAG 0x5800 + +#define STREAM_BUF_DISABLE 0x0ull +#define STREAM_BUF_ENABLE 0x1ull +#define STREAM_BUF_DIAG_ENABLE 0x2ull +#define IOCACHE_LINE_SIZE_MASK 0x3f /* 64 byte line size */ +#define STREAM_BUF_OFF 1 /* All stream bufs off */ +#define STREAM_BUF_TIMEOUT 2 /* Streaming buf timed out */ +#define STREAM_CACHE_LINES 16 + +#define STR_PG_VALID 0x2ull +#define STR_PG_SHIFT 11 +#define STR_PG_MASK 0x3ffffull + +#if defined(_KERNEL) && !defined(_ASM) + +extern int stream_buf_init(struct sbus_soft_state *, caddr_t); +extern int stream_buf_resume_init(struct sbus_soft_state *); +extern void sync_stream_buf(struct sbus_soft_state *, uint_t, uint_t, int *, + uint64_t); + +#endif /* _KERNEL && !_ASM */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_IOCACHE_H */ |