1 /* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/file_stat.h"
11 #include "simgrid/simix.h"
12 #include "simgrid_config.h" // for HAVE_TRACING
16 /* ******************************** Mailbox ************************************ */
18 /** @brief Mailbox datatype
19 * @ingroup msg_task_usage
21 * Object representing a communication rendez-vous point, on which
22 * the sender finds the receiver it wants to communicate with. As a
23 * MSG user, you will only rarely manipulate any of these objects
24 * directly, since most of the public interface (such as
25 * #MSG_task_send and friends) hide this object behind a string
26 * alias. That mean that you don't provide the mailbox on which you
27 * want to send your task, but only the name of this mailbox. */
28 typedef struct s_smx_rvpoint *msg_mailbox_t;
31 /* ******************************** Host ************************************ */
33 extern int MSG_HOST_LEVEL;
35 /** @brief Host datatype.
36 @ingroup m_host_management
38 A <em>location</em> (or <em>host</em>) is any possible place where
39 a process may run. Thus it is represented as a <em>physical
40 resource with computing capabilities</em>, some <em>mailboxes</em>
41 to enable running process to communicate with remote ones, and
42 some <em>private data</em> that can be only accessed by local
45 typedef xbt_dictelm_t msg_host_t;
46 typedef s_xbt_dictelm_t s_msg_host_t;
48 typedef struct msg_host_priv {
50 // TODO Warning keeping such vms attribut may lead to some complexity at the SURF Level.
51 // Please check with Arnaud
53 #ifdef MSG_USE_DEPRECATED
54 msg_mailbox_t *mailboxes; /**< the channels */
56 } s_msg_host_priv_t, *msg_host_priv_t;
58 static inline msg_host_priv_t MSG_host_priv(msg_host_t host){
59 return xbt_lib_get_level(host, MSG_HOST_LEVEL);
64 /* ******************************** Task ************************************ */
66 typedef struct simdata_task *simdata_task_t;
68 typedef struct msg_task {
69 char *name; /**< @brief task name if any */
70 simdata_task_t simdata; /**< @brief simulator data */
71 void *data; /**< @brief user data */
73 long long int counter; /* task unique identifier for instrumentation */
74 char *category; /* task category for instrumentation */
78 /** @brief Task datatype.
79 @ingroup m_task_management
81 A <em>task</em> may then be defined by a <em>computing
82 amount</em>, a <em>message size</em> and some <em>private
85 typedef struct msg_task *msg_task_t;
87 /* ******************************** Hypervisor ************************************* */
88 typedef struct msg_hypervisor *msg_hypervisor_t;
90 typedef struct msg_hypervisor {
92 s_xbt_swag_hookup_t all_hypervisor_hookup;
93 xbt_dynar_t vms; // vms on this hypervisor
94 msg_host_t host; // physical host of this hypervisor
96 /* The hypervisor object does not have parameters like the number of CPU
97 Ê * cores and the size of memory. These parameters come from those of the
102 } s_msg_hypervisor_t;
104 /* ******************************** VM ************************************* */
105 typedef msg_host_t msg_vm_t;
107 /* todo: make it clear */
109 msg_vm_state_created,
110 msg_vm_state_booting,
111 msg_vm_state_running,
112 msg_vm_state_sleeping,
113 msg_vm_state_migrating,
114 msg_vm_state_resuming,
115 msg_vm_state_suspending,
117 msg_vm_state_restoring,
122 /* ******************************** File ************************************ */
123 typedef struct simdata_file *simdata_file_t;
125 typedef struct msg_file {
126 char *name; /**< @brief file name */
127 simdata_file_t simdata; /**< @brief simulator data */
128 void *data; /**< @brief user data */
131 /** @brief File datatype.
132 @ingroup msg_file_management
134 You should consider this as an opaque object.
136 typedef struct msg_file *msg_file_t;
139 /** @brief File datatype.
140 @ingroup msg_file_management
142 You should consider this as an opaque object.
144 typedef s_file_stat_t s_msg_stat_t, *msg_stat_t;
147 /*************** Begin GPU ***************/
148 typedef struct simdata_gpu_task *simdata_gpu_task_t;
150 typedef struct msg_gpu_task {
151 char *name; /**< @brief task name if any */
152 simdata_gpu_task_t simdata; /**< @brief simulator data */
154 long long int counter; /* task unique identifier for instrumentation */
155 char *category; /* task category for instrumentation */
159 /** @brief GPU task datatype.
160 @ingroup m_task_management
162 A <em>task</em> may then be defined by a <em>computing
163 amount</em>, a <em>dispatch latency</em> and a <em>collect latency</em>.
164 \see m_task_management
166 typedef struct msg_gpu_task *msg_gpu_task_t;
167 /*************** End GPU ***************/
170 * \brief @brief Communication action.
171 * \ingroup msg_task_usage
173 * Object representing an ongoing communication between processes. Such beast is usually obtained by using #MSG_task_isend, #MSG_task_irecv or friends.
175 typedef struct msg_comm *msg_comm_t;
177 /** \brief Default value for an uninitialized #msg_task_t.
178 \ingroup m_task_management
180 #define MSG_TASK_UNINITIALIZED NULL
182 /* ****************************** Process *********************************** */
184 /** @brief Process datatype.
185 @ingroup m_process_management
187 A process may be defined as a <em>code</em>, with some
188 <em>private data</em>, executing in a <em>location</em>.
190 You should not access directly to the fields of the pointed
191 structure, but always use the provided API to interact with
194 typedef struct s_smx_process *msg_process_t;
196 #ifdef MSG_USE_DEPRECATED
198 /* Compatibility typedefs */
199 typedef int m_channel_t;
200 typedef msg_gpu_task_t m_gpu_task_t;
201 typedef msg_host_t m_host_t;
202 typedef msg_process_t m_process_t;
203 typedef msg_task_t m_task_t;
204 typedef s_msg_gpu_task_t s_m_gpu_task_t;
205 typedef s_msg_host_t s_m_host_t;
206 typedef s_msg_task_t s_m_task_t;