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