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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 #ifndef _MEM_CACHE_H 26 #define _MEM_CACHE_H 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #define mem_cache_device "/devices/pseudo/mem_cache@0:mem_cache0" 35 #define mem_cache_device1 "/devices/pseudo/mem_cache@1:mem_cache1" 36 #define mem_cache_device2 "/devices/pseudo/mem_cache@2:mem_cache2" 37 #define mem_cache_device3 "/devices/pseudo/mem_cache@3:mem_cache3" 38 #define MEM_CACHE_DRIVER_NAME "mem_cache" 39 #ifdef DEBUG 40 #define MAX_MEM_CACHE_INSTANCES 4 41 #else 42 #define MAX_MEM_CACHE_INSTANCES 1 43 #endif 44 #define PN_CACHE_NWAYS 4 45 #define PN_CACHE_LINESIZE 64 46 #define PN_CACHE_LINE_SHIFT 6 47 #define MAX_BIT_POSITION 511 48 #define PN_L2_IDX_HW_ECC_EN INT64_C(0x0000000000400000) 49 #define PN_L3_IDX_HW_ECC_EN INT64_C(0x0000000002000000) 50 #define MSB_BIT_MASK (1 << 15) 51 #define TAG_BIT_MASK 0x3f 52 53 54 /* 55 * Private ioctls for fmd(1M). These interfaces are Sun Private. Applications 56 * and drivers should not make use of these interfaces: they can change without 57 * notice and programs that consume them will fail to run on future releases. 58 */ 59 60 #define MEM_CACHE_RETIRE (('C' << 8) | 0x01) 61 #define MEM_CACHE_ISRETIRED (('C' << 8) | 0x02) 62 #define MEM_CACHE_UNRETIRE (('C' << 8) | 0x03) 63 #define MEM_CACHE_STATE (('C' << 8) | 0x04) 64 #define MEM_CACHE_READ_TAGS (('C' << 8) | 0x05) 65 #define MEM_CACHE_INJECT_ERR (('C' << 8) | 0x06) 66 #define MEM_CACHE_READ_ERROR_INJECTED_TAGS (('C' << 8) | 0x07) 67 #define MEM_CACHE_PARK_UNPARK (('C' << 8) | 0x08) 68 #define MEM_CACHE_READ_RETIRE_CODE (('C' << 8) | 0x09) 69 #define MEM_CACHE_RW_RETIRE_CODE (('C' << 8) | 0x0a) 70 #define MEM_CACHE_RETIRE_AND_RW (('C' << 8) | 0x0b) 71 #define MEM_CACHE_RW_COLLISION_CODE (('C' << 8) | 0x0c) 72 #define MEM_CACHE_UNRETIRE_AND_RW (('C' << 8) | 0x0d) 73 #define MEM_CACHE_RETIRE_AND_UNRETIRE_RW (('C' << 8) | 0x0e) 74 75 typedef enum { 76 L2_CACHE_DATA, 77 L2_CACHE_TAG, 78 L3_CACHE_DATA, 79 L3_CACHE_TAG 80 } cache_id_t; 81 82 typedef struct cache_info { 83 int cpu_id; 84 cache_id_t cache; 85 uint32_t index; 86 uint32_t way; 87 uint16_t bit; 88 void *datap; 89 } cache_info_t; 90 91 #ifdef __cplusplus 92 } 93 #endif 94 95 #endif /* _MEM_CACHE_H */ 96