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CONFIG_ATTACH(9) FreeBSD Kernel Developer's Manual CONFIG_ATTACH(9) NAME config_attach, config_detach, config_detach_children - attach and detach devices SYNOPSIS #include <sys/param.h> #include <sys/device.h> struct device * config_attach(struct device *parent, void *cf, void *aux, cfprint_t print); int config_detach(struct device *dev, int flags); int config_detach_children(struct device *parent, int flags); DESCRIPTION The config_attach() function attaches a found device. Memory is allocated for the softc structure and the driver's attach function is called according to the configuration table. If successful, config_attach() returns the softc. If unsuccessful, it returns NULL. The config_detach() function is called by the parent to detach the child device. The second argument flags contains detachment flags: #define DETACH_FORCE 0x01 /* Force detachment; hardware gone */ #define DETACH_QUIET 0x02 /* Don't print a notice */ CONTEXT config_detach() is always called from process context, allowing tsleep(9) to be called while the device detaches itself (to deal with processes which have a device open). RETURN VALUES config_detach() returns zero if successful and an error code otherwise. SEE ALSO config_found(9) FreeBSD 14.1-RELEASE-p8 December 5, 2014 FreeBSD 14.1-RELEASE-p8