diff options
Diffstat (limited to 'hw/goldfish_pipe.h')
| -rw-r--r-- | hw/goldfish_pipe.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/goldfish_pipe.h b/hw/goldfish_pipe.h index 8074619..f08cef8 100644 --- a/hw/goldfish_pipe.h +++ b/hw/goldfish_pipe.h @@ -94,6 +94,27 @@ typedef struct { * then the pipe implementation shall call goldfish_pipe_wake(). */ void (*wakeOn)( void* opaque, int flags ); + + /* Called to save the pipe's state to a QEMUFile, i.e. when saving + * snapshots. This can be NULL to indicate that no state can be saved. + * In this case, when the pipe is loaded, the emulator will automatically + * force-close so the next operation the guest performs on it will return + * a PIPE_ERROR_IO error code. + */ + void (*save)( void* pipe, QEMUFile* file ); + + /* Called to load the sate of a pipe from a QEMUFile. This will always + * correspond to the state of the pipe as saved by a previous call to + * the 'save' method. Can be NULL to indicate that the pipe state cannot + * be loaded. In this case, the emulator will automatically force-close + * it. + * + * In case of success, this returns 0, and the new pipe object is returned + * in '*ppipe'. In case of errno code is returned to indicate a failure. + * 'hwpipe' and 'pipeOpaque' are the same arguments than those passed + * to 'init'. + */ + void* (*load)( void* hwpipe, void* pipeOpaque, const char* args, QEMUFile* file); } GoldfishPipeFuncs; /* Register a new pipe handler type. 'pipeOpaque' is passed directly |