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Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/tidspbridge/Documentation/error-codes | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/drivers/staging/tidspbridge/Documentation/error-codes b/drivers/staging/tidspbridge/Documentation/error-codes deleted file mode 100644 index ad73cba058eb..000000000000 --- a/drivers/staging/tidspbridge/Documentation/error-codes +++ /dev/null @@ -1,157 +0,0 @@ - DSP/Bridge Error Code Guide - - -Success code is always taken as 0, except for one case where a success status -different than 0 can be possible, this is when enumerating a series of dsp -objects, if the enumeration doesn't have any more objects it is considered as a -successful case. In this case a positive ENODATA is returned (TODO: Change to -avoid this case). - -Error codes are returned as a negative 1, if an specific code is expected, it -can be propagated to user space by reading errno symbol defined in errno.h, for -specific details on the implementation a copy of the standard used should be -read first. - -The error codes used by this driver are: - -[EPERM] - General driver failure. - - According to the use case the following might apply: - - Device is in 'sleep/suspend' mode due to DPM. - - User cannot mark end of stream on an input channel. - - Requested operation is invalid for the node type. - - Invalid alignment for the node messaging buffer. - - The specified direction is invalid for the stream. - - Invalid stream mode. - -[ENOENT] - The specified object or file was not found. - -[ESRCH] - A shared memory buffer contained in a message or stream could not be mapped - to the GPP client process's virtual space. - -[EIO] - Driver interface I/O error. - - or: - - Unable to plug channel ISR for configured IRQ. - - No free I/O request packets are available. - -[ENXIO] - Unable to find a named section in DSP executable or a non-existent memory - segment identifier was specified. - -[EBADF] - General error for file handling: - - - Unable to open file. - - Unable to read file. - - An error occurred while parsing the DSP executable file. - -[ENOMEM] - A memory allocation failure occurred. - -[EACCES] - - Unable to read content of DCD data section; this is typically caused by - improperly configured nodes. - - Unable to decode DCD data section content; this is typically caused by - changes to DSP/BIOS Bridge data structures. - - Unable to get pointer to DCD data section; this is typically caused by - improperly configured UUIDs. - - Unable to load file containing DCD data section; this is typically - caused by a missing COFF file. - - The specified COFF file does not contain a valid node registration - section. - -[EFAULT] - Invalid pointer or handler. - -[EEXIST] - Attempted to create a channel manager when one already exists. - -[EINVAL] - Invalid argument. - -[ESPIPE] - Symbol not found in the COFF file. DSPNode_Create will return this if - the iAlg function table for an xDAIS socket is not found in the COFF file. - In this case, force the symbol to be linked into the COFF file. - DSPNode_Create, DSPNode_Execute, and DSPNode_Delete will return this if - the create, execute, or delete phase function, respectively, could not be - found in the COFF file. - - - No symbol table is loaded/found for this board. - - Unable to initialize the ZL COFF parsing module. - -[EPIPE] - I/O is currently pending. - - - End of stream was already requested on this output channel. - -[EDOM] - A parameter is specified outside its valid range. - -[ENOSYS] - The indicated operation is not supported. - -[EIDRM] - During enumeration a change in the number or properties of the objects - has occurred. - -[ECHRNG] - Attempt to created channel manager with too many channels or channel ID out - of range. - -[EBADR] - The state of the specified object is incorrect for the requested operation. - - - Invalid segment ID. - -[ENODATA] - Unable to retrieve resource information from the registry. - - - No more registry values. - -[ETIME] - A timeout occurred before the requested operation could complete. - -[ENOSR] - A stream has been issued the maximum number of buffers allowed in the - stream at once; buffers must be reclaimed from the stream before any more - can be issued. - - - No free channels are available. - -[EILSEQ] - Error occurred in a dynamic loader library function. - -[EISCONN] - The Specified Connection already exists. - -[ENOTCONN] - Nodes not connected. - -[ETIMEDOUT] - Timeout occurred waiting for a response from the hardware. - - - Wait for flush operation on an output channel timed out. - -[ECONNREFUSED] - No more connections can be made for this node. - -[EALREADY] - Channel is already in use. - -[EREMOTEIO] - dwTimeOut parameter was CHNL_IOCNOWAIT, yet no I/O completions were - queued. - -[ECANCELED] - I/O has been cancelled on this channel. - -[ENOKEY] - Invalid subkey parameter. - - - UUID not found in registry. |