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 33 extern "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 66 typedef 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 72 struct 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 */ 86 extern int iosram_reg_intr(uint32_t, sbbc_intrfunc_t, caddr_t, 87 uint_t *, kmutex_t *); 88 extern int iosram_unreg_intr(uint32_t); 89 extern int iosram_send_intr(uint32_t); 90 91 /* 92 * IOSRAM read write routines 93 */ 94 extern int iosram_read(int, uint32_t, caddr_t, uint32_t); 95 extern int iosram_write(int, uint32_t, caddr_t, uint32_t); 96 97 /* 98 * Misc routines 99 */ 100 extern int iosram_size(int); 101 102 /* cached chosen node_id */ 103 extern pnode_t chosen_nodeid; 104 105 #ifdef __cplusplus 106 } 107 #endif 108 109 #endif /* _SYS_SGSBBC_IOSRAM_H */ 110