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OpenSolaris 2009.06 - man page for di_driver_name (opensolaris section 3devinfo)

di_binding_name(3DEVINFO)			       Device Information Library Functions				 di_binding_name(3DEVINFO)

di_binding_name, di_bus_addr, di_compatible_names, di_devid, di_driver_name, di_driver_ops, di_driver_major, di_instance, di_nodeid, di_node_name - return libdevinfo node information
cc [ flag... ] file... -ldevinfo [ library... ] #include <libdevinfo.h> char *di_binding_name(di_node_t node); char *di_bus_addr(di_node_t node); int di_compatible_names(di_node_t node, char **names); ddi_devid_t di_devid(di_node_t node); char *di_driver_name(di_node_t node); uint_t di_driver_ops(di_node_t node); int di_driver_major(di_node_t node); int di_instance(di_node_t node); int di_nodeid(di_node_t node); char *di_node_name(di_node_t node);
names The address of a pointer. node A handle to a device node.
These functions extract information associated with a device node.
The di_binding_name() function returns a pointer to the binding name. The binding name is the name used by the system to select a driver for the device. The di_bus_addr() function returns a pointer to a null-terminated string containing the assigned bus address for the device. NULL is returned if a bus address has not been assigned to the device. A zero-length string may be returned and is considered a valid bus address. The return value of di_compatible_names() is the number of compatible names. names is updated to point to a buffer contained within the snapshot. The buffer contains a concatenation of null-terminated strings, for example: <name1>/0<name2>/0...<namen>/0 See the discussion of generic names in Writing Device Drivers for a description of how compatible names are used by Solaris to achieve driver binding for the node. The di_devid() function returns the device ID for node, if it is registered. Otherwise, a null pointer is returned. Interfaces in the lib- devid(3LIB) library may be used to manipulate the handle to the device id. This function is obsolete and might be removed from a future Solaris release. Applications should use the "devid" property instead. The di_driver_name() function returns the name of the driver bound to the node. A null pointer is returned if node is not bound to any driver. The di_driver_ops() function returns a bit array of device driver entry points that are supported by the driver bound to this node. Possi- ble bit fields supported by the driver are DI_CB_OPS, DI_BUS_OPS, DI_STREAM_OPS. The di_driver_major() function returns the major number associated with the driver bound to node. If there is no driver bound to the node, this function returns -1. The di_instance() function returns the instance number of the device. A value of -1 indicates an instance number has not been assigned to the device by the system. The di_nodeid() function returns the type of device, which may be one of the following possible values: DI_PSEUDO_NODEID, DI_PROM_NODEID, and DI_SID_NODEID. Devices of type DI_PROM_NODEID may have additional properties that are defined by the PROM. See di_prom_prop_data(3DEV- INFO) and di_prom_prop_lookup_bytes(3DEVINFO). The di_node_name() function returns a pointer to a null-terminated string containing the node name.
See di_init(3DEVINFO) for an example demonstrating typical use of these functions.
See attributes(5) for descriptions of the following attributes: +-----------------------------+----------------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+----------------------------------+ |Interface Stability |Evolving (di_devid() is obsolete) | +-----------------------------+----------------------------------+ |MT-Level |Safe | +-----------------------------+----------------------------------+
di_init(3DEVINFO), di_prom_init(3DEVINFO), di_prom_prop_data(3DEVINFO), di_prom_prop_lookup_bytes(3DEVINFO), libdevid(3LIB), libdev- info(3LIB), attributes(5) Writing Device Drivers SunOS 5.11 22 Mar 2004 di_binding_name(3DEVINFO)

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