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/* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _SYS_SGSBBC_IOSRAM_H 28#define _SYS_SGSBBC_IOSRAM_H 29 30#pragma ident "%Z%%M% %I% %E% SMI" 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36#include <sys/types.h> 37#include <sys/errno.h> 38#include <sys/sgsbbc.h> 39 40/* 41 * IOSRAM TOC as laid out for the OS by the SC/POST 42 * 43 * NB Any changes in the way POST/SC lays out the SRAM 44 * must be reflected here. 45 */ 46#define SBBC_MAX_KEYS 32 47 48#define SBBC_CONSOLE_KEY 1 /* Solaris Console Buffer */ 49#define SBBC_TOD_KEY 2 /* Solaris TOD struct */ 50#define SBBC_INTR_SC_KEY 3 /* Solaris -> SC Interrupts reason */ 51#define SBBC_SC_INTR_KEY 4 /* SC -> Solaris Interrupts reason */ 52#define SBBC_DOMAIN_KEY 5 /* Domain state */ 53#define SBBC_KEYSWITCH_KEY 6 /* Keyswitch */ 54#define SBBC_MAILBOX_KEY 7 /* Solaris<->SC Mailbox */ 55#define SBBC_ENVCTRL_KEY 8 /* environmental data */ 56#define SBBC_SC_INTR_ENABLED_KEY 9 /* SC -> Solaris Interrupts */ 57#define SBBC_INTR_SC_ENABLED_KEY 10 /* Solaris -> SC Interrupts */ 58#define SBBC_SIGBLCK_KEY 11 /* Signature block */ 59 60/* 61 * size of the IOSRAM key 62 */ 63#define KEY_SIZE 8 64#define MAGIC_SIZE 8 65 66typedef struct iosram_key { 67 char key[KEY_SIZE]; /* Key value as defined above */ 68 uint32_t size; /* length of this SRAM chunk */ 69 uint32_t offset; /* Offset from base of SRAM */ 70} iosram_key_t; 71 72struct iosram_toc { 73 char iosram_magic[MAGIC_SIZE]; /* magic: TOCSRAM */ 74 uint8_t resvd; /* reserved */ 75 /* sram type: cpu, local io, global io, etc */ 76 uint8_t iosram_type; 77 uint16_t iosram_version; /* structure version */ 78 uint32_t iosram_tagno; /* # of tags used */ 79 iosram_key_t iosram_keys[SBBC_MAX_KEYS]; 80}; 81 82 83/* 84 * interrupt related routines 85 */ 86extern int iosram_reg_intr(uint32_t, sbbc_intrfunc_t, caddr_t, 87 uint_t *, kmutex_t *); 88extern int iosram_unreg_intr(uint32_t); 89extern int iosram_send_intr(uint32_t); 90 91/* 92 * IOSRAM read write routines 93 */ 94extern int iosram_read(int, uint32_t, caddr_t, uint32_t); 95extern int iosram_write(int, uint32_t, caddr_t, uint32_t); 96 97/* 98 * Misc routines 99 */ 100extern int iosram_size(int); 101 102/* cached chosen node_id */ 103extern pnode_t chosen_nodeid; 104 105#ifdef __cplusplus 106} 107#endif 108 109#endif /* _SYS_SGSBBC_IOSRAM_H */ 110