sys/kern/subr_bus.c

81  * Used to attach drivers to devclasses.
86 	TAILQ_ENTRY(driverlink) link;	/* list of drivers in devclass */
103 	driver_list_t	drivers;     /* bus devclasses store drivers for bus */
190 static void print_driver_list(driver_list_t drivers, int indent);
788  * This is called when all drivers that can attach to a given bus
1000 		TAILQ_INIT(&dc->drivers);
1008 	 * that this devclass will support drivers for the parent class as
1137 	 * search for drivers in both devclasses for children
1147 	TAILQ_INSERT_TAIL(&dc->drivers, dl, link);
1267 	 * Find the link structure in the bus' list of drivers.
1269 	TAILQ_FOREACH(dl, &busclass->drivers, link) {
1284 	TAILQ_REMOVE(&busclass->drivers, dl, link);
1297  * @brief Quiesces a set of device drivers from a device class
1324 	 * Find the link structure in the bus' list of drivers.
1326 	TAILQ_FOREACH(dl, &busclass->drivers, link) {
1371 	TAILQ_FOREACH(dl, &dc->drivers, link) {
1470  * @brief Get a list of drivers in the devclass
1472  * An array containing a list of pointers to all the drivers in the
1474  * of drivers in the array is returned in @p *countp. The caller should
1493 	TAILQ_FOREACH(dl, &dc->drivers, link)
1500 	TAILQ_FOREACH(dl, &dc->drivers, link) {
2050 	return (TAILQ_FIRST(&dc->drivers));
2203 		 * This assumes that all DF_REBID drivers can have
2516  * Most drivers do not need to use this since the softc is allocated
2534  * Most drivers do not need to use this since the softc is freed
2844  * candidate drivers and then choosing the driver which returned the
2848  * The set of suitable drivers is taken from the list of drivers in
2850  * with a specific class name (see device_add_child()), only drivers
2851  * with that name are probed, otherwise all drivers in the devclass
2852  * are probed. If no drivers return successful probe values in the
3112  * Some useful method implementations to make life easier for bus drivers.
3690 	TAILQ_FOREACH(dl, &dc->drivers, link) {
3693 		 * For most drivers in the default pass, this will
3694 		 * never be true.  For early-pass drivers they will
3695 		 * only call the identify routines of eligible drivers
4103  * routines for any drivers that probe at the current pass.  Then it
4117 	TAILQ_FOREACH(dl, &dc->drivers, link) {
4566  * Some convenience functions to make it easier for drivers to use the
5112  * present in the system.  Removable bus drivers are expected to intercept
5113  * this call long before it gets here.  We return -1 so that drivers that
5214  * @brief Module handler for registering device drivers
5217  * drivers when modules are loaded. If @p what is MOD_LOAD, it calls
5403 print_driver_list(driver_list_t drivers, int indent)
5407 	TAILQ_FOREACH(driver, &drivers, link) {
5431 	print_driver_list(dc->drivers, indent+1);
5444 	printf("Short listing of devclasses, drivers & devices:\n");
5455 	printf("Full listing of devclasses, drivers & devices:\n");
5473  * We might like to add the ability to scan devclasses and/or drivers to
5664 	 * Walk through the devclasses to find all the drivers we've tagged as
5671 		TAILQ_FOREACH(dl, &dc->drivers, link) {
5836 		 * Scan drivers for this device's bus looking for at