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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SGSBBC_IOSRAM_H
#define _SYS_SGSBBC_IOSRAM_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/sgsbbc.h>
/*
* IOSRAM TOC as laid out for the OS by the SC/POST
*
* NB Any changes in the way POST/SC lays out the SRAM
* must be reflected here.
*/
#define SBBC_MAX_KEYS 32
#define SBBC_CONSOLE_KEY 1 /* Solaris Console Buffer */
#define SBBC_TOD_KEY 2 /* Solaris TOD struct */
#define SBBC_INTR_SC_KEY 3 /* Solaris -> SC Interrupts reason */
#define SBBC_SC_INTR_KEY 4 /* SC -> Solaris Interrupts reason */
#define SBBC_DOMAIN_KEY 5 /* Domain state */
#define SBBC_KEYSWITCH_KEY 6 /* Keyswitch */
#define SBBC_MAILBOX_KEY 7 /* Solaris<->SC Mailbox */
#define SBBC_ENVCTRL_KEY 8 /* environmental data */
#define SBBC_SC_INTR_ENABLED_KEY 9 /* SC -> Solaris Interrupts */
#define SBBC_INTR_SC_ENABLED_KEY 10 /* Solaris -> SC Interrupts */
#define SBBC_SIGBLCK_KEY 11 /* Signature block */
/*
* size of the IOSRAM key
*/
#define KEY_SIZE 8
#define MAGIC_SIZE 8
typedef struct iosram_key {
char key[KEY_SIZE]; /* Key value as defined above */
uint32_t size; /* length of this SRAM chunk */
uint32_t offset; /* Offset from base of SRAM */
} iosram_key_t;
struct iosram_toc {
char iosram_magic[MAGIC_SIZE]; /* magic: TOCSRAM */
uint8_t resvd; /* reserved */
/* sram type: cpu, local io, global io, etc */
uint8_t iosram_type;
uint16_t iosram_version; /* structure version */
uint32_t iosram_tagno; /* # of tags used */
iosram_key_t iosram_keys[SBBC_MAX_KEYS];
};
/*
* interrupt related routines
*/
extern int iosram_reg_intr(uint32_t, sbbc_intrfunc_t, caddr_t,
uint_t *, kmutex_t *);
extern int iosram_unreg_intr(uint32_t);
extern int iosram_send_intr(uint32_t);
/*
* IOSRAM read write routines
*/
extern int iosram_read(int, uint32_t, caddr_t, uint32_t);
extern int iosram_write(int, uint32_t, caddr_t, uint32_t);
/*
* Misc routines
*/
extern int iosram_size(int);
/* cached chosen node_id */
extern pnode_t chosen_nodeid;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SGSBBC_IOSRAM_H */
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