1 | /** |
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2 | * @file rtems/rtems/partmp.h |
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3 | * |
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4 | * @brief MP Support in Partition Manager |
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5 | * |
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6 | * This include file contains all the constants and structures associated |
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7 | * with the Multiprocessing Support in the Partition Manager. |
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8 | */ |
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9 | |
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10 | /* COPYRIGHT (c) 1989-2013. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #ifndef _RTEMS_RTEMS_PARTMP_H |
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19 | #define _RTEMS_RTEMS_PARTMP_H |
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20 | |
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21 | #ifndef _RTEMS_RTEMS_PARTIMPL_H |
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22 | # error "Never use <rtems/rtems/partmp.h> directly; include <rtems/rtems/partimpl.h> instead." |
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23 | #endif |
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24 | |
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25 | #include <rtems/score/mpciimpl.h> |
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26 | |
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27 | #ifdef __cplusplus |
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28 | extern "C" { |
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29 | #endif |
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30 | |
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31 | /** |
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32 | * @defgroup ClassicPartMP Partition MP Support |
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33 | * |
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34 | * @ingroup ClassicMP |
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35 | * |
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36 | * This encapsulates functionality related to the transparent multiprocessing |
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37 | * support within the Classic API Partition Manager. |
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38 | */ |
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39 | /*{*/ |
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40 | |
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41 | /** |
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42 | * The following enumerated type defines the list of |
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43 | * remote partition operations. |
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44 | */ |
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45 | typedef enum { |
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46 | PARTITION_MP_ANNOUNCE_CREATE = 0, |
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47 | PARTITION_MP_ANNOUNCE_DELETE = 1, |
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48 | PARTITION_MP_EXTRACT_PROXY = 2, |
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49 | PARTITION_MP_GET_BUFFER_REQUEST = 3, |
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50 | PARTITION_MP_GET_BUFFER_RESPONSE = 4, |
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51 | PARTITION_MP_RETURN_BUFFER_REQUEST = 5, |
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52 | PARTITION_MP_RETURN_BUFFER_RESPONSE = 6 |
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53 | } Partition_MP_Remote_operations; |
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54 | |
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55 | /** |
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56 | * The following data structure defines the packet used to perform |
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57 | * remote partition operations. |
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58 | */ |
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59 | typedef struct { |
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60 | rtems_packet_prefix Prefix; |
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61 | Partition_MP_Remote_operations operation; |
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62 | rtems_name name; |
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63 | void *buffer; |
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64 | Objects_Id proxy_id; |
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65 | } Partition_MP_Packet; |
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66 | |
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67 | RTEMS_INLINE_ROUTINE bool _Partition_MP_Is_remote( Objects_Id id ) |
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68 | { |
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69 | return _Objects_MP_Is_remote( id, &_Partition_Information ); |
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70 | } |
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71 | |
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72 | /** |
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73 | * @brief Partition_MP_Send_process_packet |
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74 | * |
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75 | * Multiprocessing Support for the Partition Manager |
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76 | * |
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77 | * This routine performs a remote procedure call so that a |
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78 | * process operation can be performed on another node. |
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79 | */ |
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80 | void _Partition_MP_Send_process_packet ( |
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81 | Partition_MP_Remote_operations operation, |
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82 | Objects_Id partition_id, |
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83 | rtems_name name, |
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84 | Objects_Id proxy_id |
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85 | ); |
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86 | |
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87 | /** |
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88 | * @brief Issues a remote rtems_partition_get_buffer() request. |
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89 | */ |
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90 | rtems_status_code _Partition_MP_Get_buffer( |
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91 | rtems_id id, |
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92 | void **buffer |
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93 | ); |
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94 | |
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95 | /** |
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96 | * @brief Issues a remote rtems_partition_return_buffer() request. |
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97 | */ |
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98 | rtems_status_code _Partition_MP_Return_buffer( |
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99 | rtems_id id, |
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100 | void *buffer |
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101 | ); |
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102 | |
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103 | /** |
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104 | * |
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105 | * @brief Partition_MP_Process_packet |
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106 | * |
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107 | * This routine performs the actions specific to this package for |
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108 | * the request from another node. |
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109 | */ |
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110 | void _Partition_MP_Process_packet ( |
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111 | rtems_packet_prefix *the_packet_prefix |
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112 | ); |
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113 | |
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114 | /* |
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115 | * @brief Partition_MP_Send_object_was_deleted |
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116 | * |
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117 | * This routine is invoked indirectly by the thread queue |
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118 | * when a proxy has been removed from the thread queue and |
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119 | * the remote node must be informed of this. |
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120 | * |
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121 | * This routine is not needed by the Partition since a partition |
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122 | * cannot be deleted when buffers are in use. |
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123 | */ |
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124 | |
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125 | /** |
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126 | * @brief Partition_MP_Send_extract_proxy |
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127 | * |
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128 | * This routine is invoked when a task is deleted and it |
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129 | * has a proxy which must be removed from a thread queue and |
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130 | * the remote node must be informed of this. |
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131 | */ |
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132 | void _Partition_MP_Send_extract_proxy ( |
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133 | Thread_Control *the_thread, |
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134 | Objects_Id id |
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135 | ); |
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136 | |
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137 | #ifdef __cplusplus |
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138 | } |
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139 | #endif |
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140 | |
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141 | /**@}*/ |
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142 | |
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143 | #endif |
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144 | /* end of file */ |
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