NAME | SYNOPSIS | API RESTRICTIONS | FEATURES | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO
#include <ddm/ddm.h>KnError svDdmGetInfo(DevNode node, DevInfo *info);
The function or functions documented here may not be used safely in all application contexts with all APIs provided in the ChorusOS 5.0 product.
See API(5FEA) for details.
DDM
The svDdmGetInfo() call enables the client of the DDM to obtain some information on the specified node in the manageable device tree.
The DevInfo structure that is completed for each node is the following:
typedef struct { char name[DDM_INFO_NAMESIZE]; char pathname[DDM_INFO_PATHNAMESIZE]; char drvname[DDM_INFO_NAMESIZE]; char* classname; /* could be NULL */ } DevInfo;
where:
Is the name of the device in the device tree
Is the complete pathname of the device in the device tree
Is the name of the driver servicing this device
Is the driver class
Upon completion K_OK is returned if the state of the specified node was found. Otherwise, a negative error code is returned which indicates why the svDdmGetInfo() call was unsuccessful.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Interface Stability | Evolving |
svDdmOpen(2K), svDdmClose(2K), svDdmEnable(2K), svDdmDisable(2K), svDdmShutdown(2K), svDdmOffline(2K), svDdmOnline(2K), svDdmGetStats(2K), svDdmAudit(2K), svDdmDiag(2K), svDdmGetState(2K), DDM(5FEA)
NAME | SYNOPSIS | API RESTRICTIONS | FEATURES | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO