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 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <sys/rsm/rsm_common.h> 35 36 /* 37 * Applications must provide a handle for each region of local memory 38 * specified in the scatter/gather list used for an rsm_memseg_putv 39 * rsm_memseg_getv operation. 40 */ 41 struct __rsm_localmemory_handle; 42 typedef struct __rsm_localmemory_handle *rsm_localmemory_handle_t; 43 44 struct __rsmapi_controller_handle; 45 typedef struct __rsmapi_controller_handle *rsmapi_controller_handle_t; 46 47 typedef struct { 48 uint_t attr_direct_access_sizes; 49 uint_t attr_atomic_sizes; 50 size_t attr_page_size; 51 size_t attr_max_export_segment_size; 52 size_t attr_tot_export_segment_size; 53 ulong_t attr_max_export_segments; 54 size_t attr_max_import_map_size; 55 size_t attr_tot_import_map_size; 56 ulong_t attr_max_import_segments; 57 } rsmapi_controller_attr_t; 58 59 typedef struct { 60 rsm_node_id_t ae_node; /* node id allowed access */ 61 rsm_permission_t ae_permission; /* permissions for node */ 62 } rsmapi_access_entry_t; 63 64 typedef struct { 65 void *seg; 66 uint16_t gnum; 67 void *privdata; 68 }rsmapi_barrier_t; 69 70 /* 71 * The scatter/gather list contains a pointer (iovec) to an io vector array. 72 * Each array element is of type rsm_io_vect_t 73 */ 74 75 typedef struct { 76 int io_type; 77 union { 78 rsm_localmemory_handle_t handle; 79 caddr_t vaddr; 80 } local; 81 size_t local_offset; 82 size_t remote_offset; 83 size_t transfer_length; 84 } rsm_iovec_t; 85 86 typedef struct { 87 rsm_node_id_t local_nodeid; 88 ulong_t io_request_count; 89 ulong_t io_residual_count; 90 uint_t flags; 91 rsm_memseg_import_handle_t remote_handle; 92 rsm_iovec_t *iovec; 93 } rsm_scat_gath_t; 94 95 /* scatter/gather I/O types */ 96 #define RSM_HANDLE_TYPE 0x01 97 #define RSM_VA_TYPE 0x02 98 99 /* 100 * The following macro can be used to indicate that rebind and unbind is 101 * allowed for an exported segment. This flag is used during the export 102 * segment creation. 103 */ 104 #define RSM_ALLOW_REBIND 0x01 105 106 /* 107 * This new flag will be used in rsm_memseg_export_create 108 * to control blocking/noblocking resource allocation 109 * from RSMAPI layer/interface 110 */ 111 112 #define RSM_CREATE_SEG_DONTWAIT 0x02 113 114 /* 115 * The bits in the flags field in the scatter gather structure can be 116 * initialized using the following macros. An RSM_SIGPOST_NO_ACCUMULATE 117 * flag can be ored into the flags value to indicate that when an implicit 118 * signal post is being done, the events are not to be accumulated. 119 * This flag is defined below. 120 */ 121 #define RSM_IMPLICIT_SIGPOST 0x01 122 123 /* 124 * The following macro can be used as the flags argument in 125 * rsm_intr_signal_post to indicate that the events should not be 126 * accumulated and then serviced individually. The default value of the 127 * flags argument for the rsm_intr_signal_post is 0, which indicates that 128 * the events are accumulated and serviced individually. 129 * It is important to note here that the value of this macro is 0x02 and 130 * should not be changed without checking for consistency of use in the 131 * rsm_memseg_import_getv and rsm_memseg_import_putv calls for an implicit 132 * signal post. 133 */ 134 #define RSM_SIGPOST_NO_ACCUMULATE 0x02 135 136 #ifdef __cplusplus 137 } 138 #endif 139 140 #endif /* _SYS_RSM_RSMAPI_COMMON_H */ 141