Difference between revisions of "Dsp status"
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** '''RP_BUFFER_FULL''': Set if the reply buffer is full (subsequent MCE reply packets will be discarded). | ** '''RP_BUFFER_FULL''': Set if the reply buffer is full (subsequent MCE reply packets will be discarded). | ||
** '''FREEZER''': DSP is "frozen": all packets are simply discarded, and the main loop just idles. | ** '''FREEZER''': DSP is "frozen": all packets are simply discarded, and the main loop just idles. | ||
| − | ** '''MAIN_LOOP_POLL''': Set if the main loop isn't running (ie. if the DSP has locked up). | + | ** '''MAIN_LOOP_POLL''': Set if the main loop isn't running (ie. if the DSP has locked up). See also MAIN_LOOP below. |
* '''MODE''': The mode of operation of the DSP, a bitfield made up of the following mode bits: | * '''MODE''': The mode of operation of the DSP, a bitfield made up of the following mode bits: | ||
** '''MODE_APPLICATION''': A special application (downloaded over the PCI bus) is enabled. See also APPLICATION_RUNNING above. | ** '''MODE_APPLICATION''': A special application (downloaded over the PCI bus) is enabled. See also APPLICATION_RUNNING above. | ||
Revision as of 20:07, 5 December 2012
dsp_status will output a formatted summary of the PCI fibre card firmware status. It requires dsp_cmd to run.
Example
user@ubuntu:~$ dsp_status CODE_VERSION : 0x550106 STATUS : 0x0000 APPLICATION_RUNNING : 0 SEND_IO_TO_HOST : 0 FATAL_ERROR : 0 FO_WRD_RCV : 0 HST_NFYD : 0 CON_DEMAND : 0 CON_MCE : 0 PCIDMA_RESTART : 0 PCIDMA_RESUME : 0 PCIDMA_RETRY : 0 QT_FLUSH : 0 RP_BUFFER_FULL : 0 FREEZER : 0 MAIN_LOOP_POLL : 0 MODE : 0x000e MODE_APPLICATION : 0 MODE_MCE : 1 MODE_QT : 1 MODE_RP_BUFFER : 1 MAIN_LOOP : running
Explanation
For firmware versions U0105 and U0106, the following is presented:
- CODE_VERSION: The firmware revision. ASCII "U" is 0x55 in hex, so you should see here 0x550105 or 0x0550106
- STATUS: The DSP status word, a bitfield made up of the following status bits:
- APPLICATION_RUNNING: A special application is running. See also MODE_APPLICATION below.
- SEND_IO_TO_HOST: Set if a packet is being transferred via DMA to the computer's RAM, or if such a packet is waiting to be transferred
- FATAL_ERROR: Indicates an error was detected while communicating over the PCI bus. This triggers a soft reset of the DSP program.
- FO_WRD_RCV: A packet is available in the fibre receiver FIFO.
- HST_NFYD: The host (PC) has been notified that a packet is available, but the host has not replied yet.
- CON_DEMAND: There is an unreceived command packet waiting from the host (PC).
- CON_MCE: A command packet has been received from the host (PC) and is waiting for tranmission to the MCE.
- PCIDMA_RESTART: A DMA error has occurred and the DSP needs to restart the PCI burst (DMA).
- PCIDMA_RESUME: A DMA error has occurred and the DSP needs to retry the PCI burst (DMA).
- PCIDMA_RETRY:
- U0105: A DMA error has occurred and the DSP needs to retry the PCI burst (DMA). Although set, it's never checked nor cleared and is the source of the U0105 "resume bug".
- U0106: Unused and always zero; merged with PCIDMA_RESUME to fix the "resume bug".
- QT_FLUSH: Set when it is time to inform the host (PC) of the current buffer position.
- RP_BUFFER_FULL: Set if the reply buffer is full (subsequent MCE reply packets will be discarded).
- FREEZER: DSP is "frozen": all packets are simply discarded, and the main loop just idles.
- MAIN_LOOP_POLL: Set if the main loop isn't running (ie. if the DSP has locked up). See also MAIN_LOOP below.
- MODE: The mode of operation of the DSP, a bitfield made up of the following mode bits:
- MODE_APPLICATION: A special application (downloaded over the PCI bus) is enabled. See also APPLICATION_RUNNING above.
- MODE_MCE: Packets sent by the MCE are being processed. Although off at start-up, sending a command to the MCE will turn this on. A dsp_reset will turn it back off.
- MODE_QT: Quiet transfer mode for data packets is enabled (QT mode). On by default. A dsp_reset will turn it off, although acquiring data normally will turn it back on.
- MODE_RP_BUFFER: Quiet transfer mode for command reply packets is enabled (QT-RP mode). On by default.
- MAIN_LOOP: A re-hash of the MAIN_LOOP_POLL bit: this will be "running" if the main loop is running (MAIN_LOOP_POLL = 0) or "stalled" if it is not (MAIN_LOOP_POLL = 1)
