HP Moonshot 1500 Chassis User Manual Page 39
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messages from channels that it intends to process, and provides a disable mechanism in case the
receive message queue is being erroneously or maliciously flooded with requests on a particular
channel. It does not affect the ability for SMS to transmit on that channel. Only the SMS message
channel is enabled by default. All other channels must be explicitly enabled by BIOS or system
software, as appropriate. It is recommended that a destination unavailable completion code be
returned if a request message to SMS is rejected because reception has been disabled.
Table 17 Enable message channel receive command request and response data
Data fieldRequest data
byte number
Channel number1
• [7:4] — Reserved
• [3:0] — Channel number
Channel state2
• [7:2] — Reserved
• [1:0]
◦ 00b = Disable channel
◦ 01b = Enable channel
◦ 10b = Gen channel enable/disable state
◦ 11b = Reserved
Data fieldResponse data
byte number
Completion code1
Channel number2
• [7:4] — Reserved
• [3:0] — Channel number
Channel state3
• [7:1] — Reserved
• [0]
◦ 1b = Channel enabled
◦ 0b = Channel disabled
Get message command
This command is available to the MC.
This command is used to get data from the receive message queue.
Software is responsible for reading all messages from the message queue even if the message is
not the expected response to an earlier send message. System management software is responsible
for matching responses up with requests.
The get message command includes an inferred privilege level that is returned with the message.
This can help avoid the need for software to implement a separate privilege level and authentication
mechanism. For example: A user activates a session with a maximum privilege level of Administrator
on a multi-session channel, and an MD5 authentication type was negotiated. That user-level
authentication is disabled. A user that has user or higher privilege can place messages into the
receive message queue by sending them to LUN 10b, or by using the send message command.
If the packet has authentication type = MD5, the packet is assigned an inferred privilege level
Standard command specification 39
- Abstract 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Overview 7
- Sensor Data Model 7
- Sensor type code 8
- SDR repository 10
- Standardized timers 12
- Special timestamp values 13
- 4 IPMItool 18
- Interfaces 19
- Features 20
- Inventory 22
- Chassis management 22
- Synopsis 22
- Description 23
- 5 Command specification 25
- Global commands 29
- Cold reset command 32
- Warm reset command 33
- Get self test results command 33
- Get ACPI power state command 34
- Clear message flags command 37
- Get message flags command 38
- Get message command 39
- Send message command 42
- ◦ version 5 SHA1 hash 44
- ◦ 0h = ASCII+Latin1 47
- ◦ 1h = UTF-8 47
- ◦ 2h = UNICODE 47
- ◦ All other = Reserved 47
- Close session command 57
- Get session info command 57
- Get AuthCode command 59
- Set channel access command 60
- Get channel access command 62
- Get channel info command 63
- Set user access command 65
- Get user access command 66
- Get user name command 68
- Set user name command 68
- Set user password command 69
- Activate payload command 71
- ◦ [0] — Reserved 73
- ◦ 1b = Test mode enabled 73
- IPMI LAN Device Commands 83
- MC watchdog timer commands 96
- Watchdog timer event logging 97
- Pre-timeout interrupt 98
- Reset watchdog timer command 98
- Set watchdog timer command 98
- Get watchdog timer command 100
- Chassis commands 102
- Get chassis status command 103
- Chassis control command 104
- Chassis identify command 105
- Get POH counter command 111
- Event commands 112
- Get event receiver command 113
- SEL commands 114
- Clear SEL 117
- SEL record type ranges 117
- Get SEL time command 118
- Set SEL time command 118
- SDR record IDs 118
- Get SDR command 121
- Add SDR command 122
- Delete SDR command 123
- Clear SDR repository command 123
- Sensor Device Commands 126
- Get device SDR command 127
- Get sensor thresholds command 128
- Get sensor reading command 129
- DCMI specific commands 130
- ◦ [0] Reserved. Write as 0b 133
- Get DCMI sensor info command 134
- Set asset tag command 135
- PICMG specific commands 137
- Table 113 Site type values 138
- System Interfaces 140
- Network function codes 141
- Completion codes 142
- Channel numbers 145
- Logical channels 145
- Channel Privilege Levels 145
- Users & Password support 146
- IPMI sessions 146
- System interface messaging 147
- Bridging 148
- Bridged Request Example 149
- MC IPMB LUNs 151
- KCS Interface/MC LUNs 153
- LAN Interface 154
- RMCP Message Format 155
- Serial Over LAN (SOL) 156
- 7 Support and other resources 157
- Websites 158
- A Command Assignments 159
- B Verbose output examples 164
- 166 Verbose output examples 166
- 168 Verbose output examples 168
- 170 Verbose output examples 170
- 172 Verbose output examples 172
- At cartridge: 174
- 176 Verbose output examples 176
- 178 Verbose output examples 178
- 180 Verbose output examples 180
- 182 Verbose output examples 182
- 184 Verbose output examples 184
- Glossary 186
- 188 Index 188
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