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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _CNEX_H 28 #define _CNEX_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Channel nexus "reg" spec 38 */ 39 typedef struct cnex_regspec { 40 uint64_t physaddr; 41 uint64_t size; 42 } cnex_regspec_t; 43 44 /* 45 * Channel nexus interrupt map 46 */ 47 struct cnex_intr_map { 48 ldc_dev_t devclass; /* LDC device class */ 49 uint32_t pil; /* PIL for device class */ 50 int32_t weight; /* Interrupt weight for device class */ 51 }; 52 53 /* 54 * Channel interrupt information 55 */ 56 typedef struct cnex_intr { 57 uint64_t ino; /* dev intr number */ 58 uint64_t cpuid; /* Target CPU */ 59 uint64_t icookie; /* dev intr cookie */ 60 uint64_t id; /* LDC channel ID */ 61 dev_info_t *dip; /* LDC channel devinfo */ 62 uint_t (*hdlr)(); /* intr handler */ 63 caddr_t arg1; /* intr argument 1 */ 64 caddr_t arg2; /* intr argument 2 */ 65 int32_t weight; /* intr weight */ 66 } cnex_intr_t; 67 68 /* cnex interrupt types */ 69 typedef enum { 70 CNEX_TX_INTR = 1, /* transmit interrupt */ 71 CNEX_RX_INTR /* receive interrupt */ 72 } cnex_intrtype_t; 73 74 /* 75 * Channel information 76 */ 77 typedef struct cnex_ldc { 78 kmutex_t lock; /* Channel lock */ 79 struct cnex_ldc *next; 80 81 uint64_t id; 82 ldc_dev_t devclass; /* Device class channel belongs to */ 83 84 cnex_intr_t tx; /* Transmit interrupt */ 85 cnex_intr_t rx; /* Receive interrupt */ 86 dev_info_t *dip; /* dip of the associated device */ 87 } cnex_ldc_t; 88 89 /* 90 * Channel nexus soft state pointer 91 */ 92 typedef struct cnex_soft_state { 93 dev_info_t *devi; 94 uint64_t cfghdl; /* cnex config handle */ 95 kmutex_t clist_lock; /* lock to protect channel list */ 96 cnex_ldc_t *clist; /* list of registered channels */ 97 } cnex_soft_state_t; 98 99 #ifdef __cplusplus 100 } 101 #endif 102 103 #endif /* _CNEX_H */ 104