diff options
Diffstat (limited to 'usr/src/uts/common/os/modconf.c')
| -rw-r--r-- | usr/src/uts/common/os/modconf.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/usr/src/uts/common/os/modconf.c b/usr/src/uts/common/os/modconf.c index 35eb1c6825..2992567207 100644 --- a/usr/src/uts/common/os/modconf.c +++ b/usr/src/uts/common/os/modconf.c @@ -57,6 +57,7 @@ #include <sys/kcpc.h> #include <sys/cpc_pcbe.h> #include <sys/kstat.h> +#include <sys/fs/sdev_node.h> extern int moddebug; @@ -216,6 +217,17 @@ struct mod_ops mod_dacfops = { }; /* + * /dev fs modules + */ +static int mod_infodev(struct modldev *, struct modlinkage *, int *); +static int mod_installdev(struct modldev *, struct modlinkage *); +static int mod_removedev(struct modldev *, struct modlinkage *); + +struct mod_ops mod_devfsops = { + mod_installdev, mod_removedev, mod_infodev +}; + +/* * PCBE (Performance Counter BackEnd) modules. */ static int mod_installpcbe(struct modlpcbe *, struct modlinkage *); @@ -483,6 +495,41 @@ mod_removepcbe(struct modlpcbe *modl, struct modlinkage *modlp) return (EBUSY); } +/* + * manage /dev fs modules + */ +/*ARGSUSED*/ +static int +mod_infodev(struct modldev *modl, struct modlinkage *modlp, int *p0) +{ + if (mod_getctl(modlp) == NULL) { + *p0 = -1; + return (0); /* module is not yet installed */ + } + + *p0 = 0; + return (0); +} + +static int +mod_installdev(struct modldev *modl, struct modlinkage *modlp) +{ + struct modctl *mcp; + + if ((mcp = mod_getctl(modlp)) == NULL) + return (EINVAL); + return (sdev_module_register(mcp->mod_modname, modl->dev_ops)); +} + +/* + * /dev modules are not unloadable. + */ +/*ARGSUSED*/ +static int +mod_removedev(struct modldev *modl, struct modlinkage *modlp) +{ + return (EBUSY); +} /* * Install a new driver |