blob: 6c4006701c4b718f9e58293ce381c728177e2950 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/trace/tracedaemon.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2012
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __TRACE_DAEMON_H
#define __TRACE_DAEMON_H
#include <sys/msg.h>
#include <targeting/common/target.H>
namespace TRACE
{
/** @class TraceDaemon
* @brief Encapsulates the daemon functionality of trace.
*
* The main-line trace paths can send messages to this code to request
* actions, such as buffer offload (by mailbox or signalling a scratch
* register), to be done or (TODO) the FSP can send messages to it.
*/
class TraceDaemon
{
public:
/** Default Constructor
*
* Initializes class and starts daemon thread.
*/
TraceDaemon();
/** Default Destructor
*
* Shuts down daemon thread and releases mailbox queue.
*/
~TraceDaemon();
/** Message types supported by the trace daemon. */
enum SUPPORTED_MSG_TYPES
{
UPDATE_SCRATCH_REG, //< Update cont-trace scratch reg.
SEND_TRACE_BUFFER, //< Send buffer to FSP.
DAEMON_SHUTDOWN, //< Shutdown daemon thread.
};
// Make trace class a friend so it can get the message queue.
friend class Trace;
protected:
/** Message Queue */
msg_q_t iv_msgQ;
private:
/** Target for master processor */
TARGETING::Target* iv_pMaster;
/** SCOM address of scratch register. */
static const uint32_t MB_SCRATCH_REGISTER_0 = 0x00050038;
/** @brief Function to start daemon thread (using task_create).
* @param[in] Pointer to self.
*/
static void start(void*);
/** @brief Main daemon loop. */
void run();
/** @brief Update a scratch register with the desired value.
* @param[in] i_value - Value to write to scratch register.
*/
void updateScratchReg(uint64_t i_value);
};
};
#endif
|
