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comparison src/cs/riviera/rvf/rvf_msg.c @ 0:b6a5e36de839

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src/cs: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:39:26 +0000
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-1:000000000000 0:b6a5e36de839
1 /****************************************************************************/
2 /* */
3 /* Name rvf_msg.c */
4 /* */
5 /* Function this file contains rvf message handling functions */
6 /* */
7 /* Version 0.1 */
8 /* */
9 /* Date Modification */
10 /* ------------------------------------ */
11 /* 18-March-2002 */
12 /* */
13 /* (C) Copyright 2002 by Texas Instruments Incorporated, All Rights Reserved*/
14 /****************************************************************************/
15
16 #include "rvf/rvf_api.h"
17 #include "rvf/rvf_i.h"
18 #include "rvm/rvm_use_id_list.h"
19 #include "rvm/rvm_api.h" // RVM_TMS_MSG & RVM_MSG_OFFSET
20
21 // PRIVATE
22 static const UINT8 BOUNDBUFVAL=20;
23 T_RVF_RET _send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox, UINT8 bindbuf);
24
25 /*******************************************************************************
26 **
27 ** Function rvf_get_msg_buf
28 **
29 ** Description Request for a message buffer.
30 ** Automatically update the message id of the buffer
31 **
32 **
33 ** Returns T_RVF_MB_STATUS: RVF_GREEN if everything is ok,
34 ** RVF_YELLOW if watermark limit has been reached,
35 ** RVF_RED if max size has been reached (does not return a buffer)
36 **
37 *******************************************************************************/
38 T_RVF_MB_STATUS rvf_get_msg_buf(T_RVF_MB_ID mb_id,
39 UINT32 message_size,
40 T_RVF_MSG_ID msg_id,
41 T_RVF_MSG ** pp_msg)
42 {
43
44 T_RVF_MB_STATUS mb_status;
45
46
47 mb_status = rvf_get_buf(mb_id,message_size,(T_RVF_BUFFER**) pp_msg);
48
49 if (mb_status != RVF_RED)
50 {
51 (*pp_msg)->msg_id = msg_id;
52 }
53
54 return mb_status;
55 }
56
57
58
59 /*******************************************************************************
60 **
61 ** Function rvf_fre_msg
62 **
63 ** Description Deallocate a message buffer
64 **
65 **
66 ** Returns T_RVF_RET: T_RVF_OK if succesful,...
67 **
68 *******************************************************************************/
69 T_RVF_RET rvf_free_msg(T_RVF_MSG *p_msg)
70 {
71 return rvf_free_buf( (T_RVF_BUFFER *) p_msg);
72 }
73
74 T_RVF_RET rvf_free_timer_msg(T_RVF_MSG *p_msg)
75 {
76 return rvf_free_buf( (T_RVF_BUFFER *) p_msg);
77 }
78
79
80 /*******************************************************************************
81 **
82 ** Function rvf_send_msg
83 **
84 ** Description Called by applications to send a buffer to a SWE.
85 **
86 ** Returns RVF_OK if successful, else an error code.
87 **
88 ** Comments Priority is defined the inverse of NU. for legacy reasons
89 *******************************************************************************/
90 T_RVF_RET rvf_send_msg (T_RVF_G_ADDR_ID addr_id, void *msg) {
91 return _send_msg ( addr_id, msg, 0, FALSE);
92 }
93
94 T_RVF_RET rvf_send_priority_msg (T_RVF_G_ADDR_ID addr_id, void *msg) {
95 return _send_msg ( addr_id, msg, 1, TRUE);
96 }
97
98 T_RVF_RET _send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox, UINT8 bindbuf) {
99 T_RVF_INTERNAL_BUF *p_hdr;
100 T_RVF_INTERNAL_BUF* cur=NULL;
101 UINT8 i=0;
102 T_RVF_G_ADDR_ID tid=RVF_INVALID_ADDR_ID;
103
104 /* If task non-existant or not started, drop buffer */
105 if ((addr_id >= MAX_RVF_G_ADDR_ID)) {
106 rvf_send_trace( "RVF: rvf_send_msg(): invalid taskid", 35, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID );
107 rvf_free_buf (msg);
108 return RVF_INVALID_PARAMETER;
109 }
110 if((tid=resolveHostAddrId(addr_id))==RVF_INVALID_ADDR_ID) {
111 rvf_free_buf (msg);
112 return RVF_INTERNAL_ERR;
113 }
114 if(!pRtAddrIdTable[tid]) {
115 rvf_free_buf (msg);
116 return RVF_INTERNAL_ERR;
117 }
118
119 // Reject all msg or only continuous tm msg if bound buf limit
120 if(bindbuf) {
121 for(i=0, cur=pRtAddrIdTable[tid]->OSTaskQFirst[mbox];
122 cur && cur->p_next; cur=cur->p_next, i++) ;
123 if(((T_RV_HDR*)msg)->msg_id==RVM_TMS_MSG) {
124 if(i>=BOUNDBUFVAL && ((T_RVF_TMS_MSG*)msg)->cont) {
125 rvf_free_buf(msg);
126 return RVF_MEMORY_ERR;
127 }
128 } else {
129 if(i>=BOUNDBUFVAL) {
130 rvf_free_buf(msg);
131 return RVF_MEMORY_ERR;
132 }
133 }
134 }
135
136 #if RVF_ENABLE_BUF_CORRUPTION_CHECK
137 /* check for buffer corruption */
138 if (_rvf_chk_buf_damage(msg) == TRUE)
139 { rvf_send_trace( "RVF: rvf_send_msg(): buffer corrupted", 37, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID );
140 }
141 #endif
142
143 /* update the addr_id field of the message */
144 ((T_RV_HDR *)msg)->dest_addr_id = addr_id;
145 p_hdr = USER2MEM(msg);
146
147 #if RVF_ENABLE_BUF_LINKAGE_CHECK
148 /* check if the buffer has been already enqueued */
149 if ( RVF_BUF_IS_LINKED( p_hdr) )
150 {
151 rvf_send_trace( "RVF: rvf_send_msg(): buffer already enqueued", 44, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID );
152 return RVF_MEMORY_ERR;
153 }
154 #endif
155
156 rvf_disable(8); /* enter critical section */
157
158 /* chained the buffer in the mailbox list */
159 /*if (OSTaskQFirst[task_id][mbox]) {
160 OSTaskQLast[task_id][mbox]->p_next = p_hdr;
161 } else {
162 OSTaskQFirst[task_id][mbox] = p_hdr;
163 }
164 OSTaskQLast[task_id][mbox] = p_hdr;
165 p_hdr->p_next = NULL;*/
166
167 if (pRtAddrIdTable[tid]->OSTaskQFirst[mbox]) {
168 pRtAddrIdTable[tid]->OSTaskQLast[mbox]->p_next = p_hdr;
169 } else {
170 pRtAddrIdTable[tid]->OSTaskQFirst[mbox] = p_hdr;
171 }
172 pRtAddrIdTable[tid]->OSTaskQLast[mbox] = p_hdr;
173
174 p_hdr->p_next = NULL;
175
176 #if RVF_ENABLE_BUF_LINKAGE_CHECK
177 RVF_SET_BUF_LINKED(p_hdr); /* change buffer status */
178 #endif
179
180 rvf_enable();
181
182 /* send a rvf event */
183 rvf_send_event(tid, (UINT16) (EVENT_MASK(mbox)) );
184
185 return RVF_OK;
186 }
187
188 // Poss. Deprecate ! [Only used by: rvf.Buffer::_rvf_send_msg_to_mbox() ]
189 // May conflict with "msg::rvf_send_priority_msg()"
190 T_RVF_RET rvf_adapt_send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox) {
191 return _send_msg ( addr_id, msg, mbox, FALSE);
192 }
193
194