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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1999-2001, 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_RSM_RSMAPI_COMMON_H 28 #define _SYS_RSM_RSMAPI_COMMON_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/rsm/rsm_common.h> 37 38 /* 39 * Applications must provide a handle for each region of local memory 40 * specified in the scatter/gather list used for an rsm_memseg_putv 41 * rsm_memseg_getv operation. 42 */ 43 struct __rsm_localmemory_handle; 44 typedef struct __rsm_localmemory_handle *rsm_localmemory_handle_t; 45 46 struct __rsmapi_controller_handle; 47 typedef struct __rsmapi_controller_handle *rsmapi_controller_handle_t; 48 49 typedef struct { 50 uint_t attr_direct_access_sizes; 51 uint_t attr_atomic_sizes; 52 size_t attr_page_size; 53 size_t attr_max_export_segment_size; 54 size_t attr_tot_export_segment_size; 55 ulong_t attr_max_export_segments; 56 size_t attr_max_import_map_size; 57 size_t attr_tot_import_map_size; 58 ulong_t attr_max_import_segments; 59 } rsmapi_controller_attr_t; 60 61 typedef struct { 62 rsm_node_id_t ae_node; /* node id allowed access */ 63 rsm_permission_t ae_permission; /* permissions for node */ 64 } rsmapi_access_entry_t; 65 66 typedef struct { 67 void *seg; 68 uint16_t gnum; 69 void *privdata; 70 }rsmapi_barrier_t; 71 72 /* 73 * The scatter/gather list contains a pointer (iovec) to an io vector array. 74 * Each array element is of type rsm_io_vect_t 75 */ 76 77 typedef struct { 78 int io_type; 79 union { 80 rsm_localmemory_handle_t handle; 81 caddr_t vaddr; 82 } local; 83 size_t local_offset; 84 size_t remote_offset; 85 size_t transfer_length; 86 } rsm_iovec_t; 87 88 typedef struct { 89 rsm_node_id_t local_nodeid; 90 ulong_t io_request_count; 91 ulong_t io_residual_count; 92 uint_t flags; 93 rsm_memseg_import_handle_t remote_handle; 94 rsm_iovec_t *iovec; 95 } rsm_scat_gath_t; 96 97 /* scatter/gather I/O types */ 98 #define RSM_HANDLE_TYPE 0x01 99 #define RSM_VA_TYPE 0x02 100 101 /* 102 * The following macro can be used to indicate that rebind and unbind is 103 * allowed for an exported segment. This flag is used during the export 104 * segment creation. 105 */ 106 #define RSM_ALLOW_REBIND 0x01 107 108 /* 109 * This new flag will be used in rsm_memseg_export_create 110 * to control blocking/noblocking resource allocation 111 * from RSMAPI layer/interface 112 */ 113 114 #define RSM_CREATE_SEG_DONTWAIT 0x02 115 116 /* 117 * The bits in the flags field in the scatter gather structure can be 118 * initialized using the following macros. An RSM_SIGPOST_NO_ACCUMULATE 119 * flag can be ored into the flags value to indicate that when an implicit 120 * signal post is being done, the events are not to be accumulated. 121 * This flag is defined below. 122 */ 123 #define RSM_IMPLICIT_SIGPOST 0x01 124 125 /* 126 * The following macro can be used as the flags argument in 127 * rsm_intr_signal_post to indicate that the events should not be 128 * accumulated and then serviced individually. The default value of the 129 * flags argument for the rsm_intr_signal_post is 0, which indicates that 130 * the events are accumulated and serviced individually. 131 * It is important to note here that the value of this macro is 0x02 and 132 * should not be changed without checking for consistency of use in the 133 * rsm_memseg_import_getv and rsm_memseg_import_putv calls for an implicit 134 * signal post. 135 */ 136 #define RSM_SIGPOST_NO_ACCUMULATE 0x02 137 138 #ifdef __cplusplus 139 } 140 #endif 141 142 #endif /* _SYS_RSM_RSMAPI_COMMON_H */ 143