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 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_MACHINTREG_H 27 #define _SYS_MACHINTREG_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * IGN_SIZE can be defined in a platform's makefile. If it is not defined, 37 * use a default of 5. 38 */ 39 #ifndef IGN_SIZE 40 #define IGN_SIZE 5 /* Interrupt Group Number bit size */ 41 #endif 42 #define UPAID_TO_IGN(upaid) (upaid) 43 44 /* 45 * MAXVINTRS is the number of interrupts we require to be allocated 46 * in the system intr_vec_table in addition to the hardware interrupts. 47 * These interrupts will be used by the sun4v cnex driver for its Logical 48 * Domain Channels. Each LDC requires a pair of interrupts, (RX/TX), 49 * and the total number of interrupts required will depend on the 50 * resources available to the system (CPUs, memory, etc) and how 51 * the system domains are configured, (number of virtual disks/networks 52 * per domain etc). 53 * 54 * The service domain requires (at least) a console LDC, Domain Services 55 * LDCs, vdisk LDC and vnet LDC per guest domain. It also requires a small 56 * number of LDCs for communications with the SP etc. 57 * 58 * The number of LDCs required is ~(N * 4 + a few more) where N is the 59 * possible maximum guest domains. The current possible maximum 60 * number of domains is 512, so we require ~2048 LDCs. And as 61 * each LDC requires a pair of interrupts we need to add the 62 * capacity for ~4096 interrupts to the system interrupt table. 63 * 64 * We start allocating the LDC interrupts at MINVINTR_COOKIE. 65 */ 66 #define MINVINTR_COOKIE (MAXDEVINTRS) 67 #define MAXVINTRS 4096 68 69 /* 70 * CPU_MONDO and DEV_MONDO registers 71 * for sun4v class of cpus probably should 72 * be moved to a new file 73 */ 74 #define CPU_MONDO_Q_HD 0x3c0 75 #define CPU_MONDO_Q_TL 0x3c8 76 #define DEV_MONDO_Q_HD 0x3d0 77 #define DEV_MONDO_Q_TL 0x3d8 78 79 /* 80 * RESUMABLE_ERROR and NONRESUMABLE_ERROR registers 81 * for sun4v class of cpus 82 */ 83 #define CPU_RQ_HD 0x3e0 84 #define CPU_RQ_TL 0x3e8 85 #define CPU_NRQ_HD 0x3f0 86 #define CPU_NRQ_TL 0x3f8 87 88 #ifdef __cplusplus 89 } 90 #endif 91 92 #endif /* _SYS_MACHINTREG_H */ 93