diff options
Diffstat (limited to 'sys/pccard/skel.c')
| -rw-r--r-- | sys/pccard/skel.c | 84 |
1 files changed, 82 insertions, 2 deletions
diff --git a/sys/pccard/skel.c b/sys/pccard/skel.c index 6991ab81d8531..b26c69a3cdc6e 100644 --- a/sys/pccard/skel.c +++ b/sys/pccard/skel.c @@ -41,20 +41,100 @@ #include <sys/select.h> #include <sys/kernel.h> -#include <sys/module.h> #include <pccard/cardinfo.h> #include <pccard/driver.h> #include <pccard/slot.h> +/* + * This defines the lkm_misc module use by modload + * to define the module name. + */ +MOD_MISC(skel); + static int skelinit(struct pccard_devinfo *); /* init device */ static void skelunload(struct pccard_devinfo *); /* Disable driver */ static int skelintr(struct pccard_devinfo *); /* Interrupt handler */ -PCCARD_MODULE(skel, skelinit, skelunload, skelintr, 0, net_imask); +static struct pccard_device skel_info = { + "skel", + skelinit, + skelunload, + skelintr, + 0, /* Attributes - presently unused */ + &net_imask /* Interrupt mask for device */ +}; + +DATA_SET(pccarddrv_set, skel_info); static int opened; /* Rather minimal device state... */ /* + * Module handler that processes loads and unloads. + * Once the module is loaded, the add driver routine is called + * to register the driver. + * If an unload is requested the remove driver routine is + * called to deregister the driver before unloading. + */ +static int +skel_handle(lkmtp, cmd) +struct lkm_table *lkmtp; +int cmd; +{ + int i; + struct lkm_misc *args = lkmtp->private.lkm_misc; + int err = 0; /* default = success*/ + + switch( cmd) { + case LKM_E_LOAD: +/* + * Now register the driver + */ + pccard_add_driver(&skel_info); + break; /* Success*/ +/* + * Attempt to deregister the driver. + */ + case LKM_E_UNLOAD: + pccard_remove_driver(&skel_info); + break; /* Success*/ + + default: /* we only understand load/unload*/ + err = EINVAL; + break; + } + + return( err); +} + + +/* + * External entry point; should generally match name of .o file. The + * arguments are always the same for all loaded modules. The "load", + * "unload", and "stat" functions in "MOD_DISPATCH" will be called under + * their respective circumstances unless their value is "nosys". If + * called, they are called with the same arguments (cmd is included to + * allow the use of a single function, ver is included for version + * matching between modules and the kernel loader for the modules). + * + * Since we expect to link in the kernel and add external symbols to + * the kernel symbol name space in a future version, generally all + * functions used in the implementation of a particular module should + * be static unless they are expected to be seen in other modules or + * to resolve unresolved symbols alread existing in the kernel (the + * second case is not likely to ever occur). + * + * The entry point should return 0 unless it is refusing load (in which + * case it should return an errno from errno.h). + */ +int +skel(lkmtp, cmd, ver) +struct lkm_table *lkmtp; +int cmd; +int ver; +{ + MOD_DISPATCH(skel,lkmtp,cmd,ver,skel_handle,skel_handle,nosys) +} +/* * Skeleton driver entry points for PCCARD configuration. */ /* |