You are working too hard :). The driver handles the message routing and
formatting on the IPMB, you don't create the header. There were also
some problems in your message: You were sending to LUN 2 instead of LUN
0 and you did not put in the PICMG IANA into the message, as required by
ATCA. To do what you want, do:
ipmb_addr.addr_type = IPMI_IPMB_ADDR_TYPE;
ipmb_addr.channel = 0; // primary ipmb
ipmb_addr.slave_addr = 0x8a; // remote blade ipmb address
ipmb_addr.lun = 0x00;
req.addr = (unsigned char*)&ipmb_addr;
req.addr_len = sizeof(ipmb_addr);
req.msg.netfn = PICMG_NETFN;
req.msg.cmd = PICMG_GET_ADDRESS_INFO_CMD;
--Fill data with the picmg id, per the spec
req.msg.data = data;
req.msg.data_len = 3;
The message response will automatically be routed back to your file
descriptor, and you should get the response instead of a timeout.
-Corey
Thirumalai kumar wrote:
>
> Hi Corey,
> Im framing a IPMB message and sending it to the remote chassis on the same
> enclosure.
> I am sending the IPMI message to IPMB bus as follows,
> ipmb_addr.addr_type = IPMI_IPMB_ADDR_TYPE;
> ipmb_addr.channel = 0; // primary ipmb
> ipmb_addr.slave_addr = 0x8a; // remote blade ipmb address
> ipmb_addr.lun = 0x02;
>
> req.addr = (unsigned char*)&ipmb_addr;
> req.addr_len = sizeof(ipmb_addr);
> req.msgid = 1;
> req.msg.netfn = IPMI_NETFN_APP_REQUEST;
> req.msg.cmd = SEND_MESSAGE;
>
> unsigned int data[1024];
> unsigned short len = req.msg.data_len;
>
> // build IPMB message structure
> data[len++] = 0x8a; // rs.SA
> data[len++] = 0x2c; // NetFun // picmg netfn
> data[len++] = 0x1e; // Checksum1
> data[len++] = 0x20; // rq.SA
> data[len++] = 0x06; // rqSeqNum 7-2 bits+ rq.lun 1-0 bits
> data[len++] = PICMG_GET_ADDRESS_INFO_CMD;
> req.msg.data = data;
> req.msg.data_len = len;
>
> then ioctl sysem to call to send the message. How to receive the
> response from the BMC.
> here I am getting 0xc3 timeout error.
>
> Thanks,
> Thiru
>
> -----Original Message-----
> From: Corey Minyard [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, October 17, 2006 9:01 PM
> Cc: [email protected]
> Subject: Re: [Openipmi-developer] read IPMB Response
>
> You don't give enough information for me to understand exactly what you are
> doing, but there are some problems with what you have done. The driver
> handles doing the get message automatically, you don't have to do anything.
> All you need to do is send your original command and wait for the response.
>
> -Corey
>
> Thirumalai kumar wrote:
>
>> Hi All,
>>
>> I am forming a IPMB message and sending it through the ioctl system
>> call. The message is sent properly.
>> the /proc/ stat count is getting incrementing properly. after that i
>> am sending app_response and get message command to read the response
>> from the receive message queue. but i am not able to read the
>> response.
>> any one has idea on this, how to read the response.
>> sample code
>>
>> ipmb_addr.addr_type = IPMI_IPMB_ADDR_TYPE;
>> ipmb_addr.channel = 0;
>> ipmb_addr.slave_addr = 0x20; //bmc
>> ipmb_addr.lun = 0x02;
>> req1.addr = (unsigned char*)&ipmb_addr;
>> req1.addr_len = sizeof(ipmb_addr);
>> req1.msg.netfn = IPMI_NETFN_APP_RESPONSE;
>> req1.msg.cmd = GET_MESSAGE;
>> req1.msg.data = (unsigned char*) &(ipmi_res.data);
>> req1.msg.data_len = 32;
>>
>> if ( ioctl(fd, IPMICTL_SEND_COMMAND, &req1) < 0 )
>> {
>> printf("\n IOCTL GET MSG send ERROR %s ", strerror(errno));
>> }
>> ioctl(fd, IPMICTL_RECEIVE_MSG, &recv) now i am getting time
>> out error. Timely help will be appreciated.
>>
> Assuming
>
>>
>> Thanks and Regards,
>> Thirumalai kumar S
>>
>> ----------------------------------------------------------------------
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