036e793dd6f21c15f02b3728c3e2500bad4d637f
1 /*
2 * @file syslink_devctl.c
3 *
4 * @brief devctl handler for the ipc resource manager
5 *
6 *
7 * @ver 02.00.00.46_alpha1
8 *
9 * ============================================================================
10 *
11 * Copyright (c) 2010-2015, Texas Instruments Incorporated
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * * Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * * Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 *
24 * * Neither the name of Texas Instruments Incorporated nor the names of
25 * its contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
30 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
32 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
35 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
36 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
37 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
38 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 * Contact information for paper mail:
40 * Texas Instruments
41 * Post Office Box 655303
42 * Dallas, Texas 75265
43 * Contact information:
44 * http://www-k.ext.ti.com/sc/technical-support/product-information-centers.htm?
45 * DCMP=TIHomeTracking&HQS=Other+OT+home_d_contact
46 * ============================================================================
47 *
48 */
50 #include "proto.h"
51 #include <stdio.h>
52 #include <pthread.h>
53 #include <fcntl.h>
54 #include <errno.h>
55 #include <stdint.h>
56 #include <stdlib.h>
57 #include <string.h>
58 #include <unistd.h>
59 #include <sys/procmgr.h>
60 #include <sys/neutrino.h>
61 #include <sys/siginfo.h>
62 #include <sys/mman.h>
63 #include <signal.h>
64 #include <sys/iofunc.h>
65 #include <sys/dispatch.h>
66 #include <ti/syslink/Std.h>
67 #include "MessageQCopyDrvDefs.h"
68 #include "HwSpinLockCmdBase.h"
69 #include "NameServerDrvDefs.h"
70 #include "MessageQDrvDefs.h"
71 #include "MultiProcDrvDefs.h"
72 #include <ti/syslink/build/Qnx/resmgr/dcmd_syslink.h>
74 #include <ti/syslink/utils/Trace.h>
76 extern Int MessageQCopyDrv_devctl (resmgr_context_t *ctp, io_devctl_t *msg,
77 ipc_ocb_t *ocb);
78 extern Int GateHWSpinlockDrv_devctl (resmgr_context_t * ctp, io_devctl_t * msg,
79 ipc_ocb_t * ocb);
80 extern int ipc_messageq_devctl(resmgr_context_t *ctp, io_devctl_t *msg,
81 ipc_ocb_t *ocb);
82 extern int ipc_nameserver_devctl(resmgr_context_t *ctp, io_devctl_t *msg,
83 ipc_ocb_t * ocb);
84 extern int ipc_multiproc_devctl(resmgr_context_t *ctp, io_devctl_t *msg,
85 ipc_ocb_t * ocb);
86 extern int ipc_gatemp_devctl(resmgr_context_t *ctp, io_devctl_t *msg,
87 ipc_ocb_t * ocb);
89 /**
90 * Handler for devctl() messages.
91 *
92 * Handles special devctl() messages that we export for control.
93 *
94 * \param ctp Thread's associated context information.
95 * \param msg The actual devctl() message.
96 * \param ocb OCB associated with client's session.
97 *
98 * \return POSIX errno value.
99 *
100 * \retval EOK Success.
101 * \retval ENOTSUP Unsupported devctl().
102 */
103 int ipc_devctl(resmgr_context_t *ctp, io_devctl_t *msg, ipc_ocb_t *ocb)
104 {
105 int status = 0;
106 int commandClass = 0;
108 if ((status = iofunc_devctl_default(ctp, msg, &(ocb->ocb))) !=
109 _RESMGR_DEFAULT) {
110 return(status);
111 }
112 status = 0;
114 commandClass = (unsigned char)(msg->i.dcmd >> 8);
116 iofunc_unlock_ocb_default(ctp, msg, &(ocb->ocb));
118 switch (commandClass)
119 {
120 case MESSAGEQCOPY_BASE_CMD:
121 status = MessageQCopyDrv_devctl( ctp, msg, ocb);
122 break;
123 #ifndef IPC_PLATFORM_VAYU
124 case HWSPINLOCKDRV_BASE_CMD:
125 status = GateHWSpinlockDrv_devctl(ctp, msg, ocb);
126 break;
127 #endif
128 case _DCMD_IPC_NAMESERVER:
129 status = ipc_nameserver_devctl(ctp, msg, ocb);
130 break;
131 case _DCMD_IPC_MESSAGEQ:
132 status = ipc_messageq_devctl(ctp, msg, ocb);
133 break;
134 case _DCMD_IPC_MULTIPROC:
135 status = ipc_multiproc_devctl(ctp, msg, ocb);
136 break;
137 #ifdef IPC_PLATFORM_VAYU
138 case _DCMD_IPC_GATEMP:
139 status = ipc_gatemp_devctl(ctp, msg, ocb);
140 break;
141 #endif
142 default:
143 status = _RESMGR_ERRNO(ENOSYS);
144 GT_1trace( curTrace, GT_3CLASS,
145 "Command Class not supported 0x%x",
146 (unsigned int)commandClass);
147 break;
148 }
150 iofunc_lock_ocb_default(ctp, msg, &(ocb->ocb));
152 return status;
153 }