diff options
Diffstat (limited to 'sys/coda/coda_fbsd.c')
| -rw-r--r-- | sys/coda/coda_fbsd.c | 137 |
1 files changed, 98 insertions, 39 deletions
diff --git a/sys/coda/coda_fbsd.c b/sys/coda/coda_fbsd.c index 66bfe07f6299d..8d407ae5e6968 100644 --- a/sys/coda/coda_fbsd.c +++ b/sys/coda/coda_fbsd.c @@ -27,12 +27,16 @@ * Mellon the rights to redistribute these changes without encumbrance. * * @(#) src/sys/coda/coda_fbsd.cr,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $ - * $Id: coda_fbsd.c,v 1.10 1999/01/05 18:49:49 eivind Exp $ + * $Id: coda_fbsd.c,v 1.6 1998/09/28 20:52:57 rvb Exp $ * */ +#ifdef VFS_LKM +#define NVCODA 4 +#else #include "vcoda.h" #include "opt_devfs.h" +#endif #include <sys/param.h> #include <sys/systm.h> @@ -80,58 +84,59 @@ static struct cdevsw codadevsw = vc_nb_poll, nommap, NULL, "Coda", NULL, -1 }; +void vcattach __P((void)); +static dev_t codadev; + int vcdebug = 1; #define VCDEBUG if (vcdebug) printf -static int -codadev_modevent(module_t mod, int type, void *data) +void +vcattach(void) +{ + /* + * In case we are an LKM, set up device switch. + */ + if (0 == (codadev = makedev(VC_DEV_NO, 0))) + VCDEBUG("makedev returned null\n"); + else + VCDEBUG("makedev OK.\n"); + + cdevsw_add(&codadev, &codadevsw, NULL); + VCDEBUG("coda: codadevsw entry installed at %d.\n", major(codadev)); +} + +static vc_devsw_installed = 0; +static void vc_drvinit __P((void *unused)); + +static void +vc_drvinit(void *unused) { dev_t dev; #ifdef DEVFS int i; #endif - static struct cdevsw *oldcdevsw; - switch (type) { - case MOD_LOAD: + if( ! vc_devsw_installed ) { dev = makedev(VC_DEV_NO, 0); - cdevsw_add(&dev,&codadevsw, &oldcdevsw); + cdevsw_add(&dev,&codadevsw, NULL); + vc_devsw_installed = 1; + } #ifdef DEVFS - /* tmp */ + /* tmp */ #undef NVCODA #define NVCODA 1 - for (i = 0; i < NVCODA; i++) { - cfs_devfs_token[i] = - devfs_add_devswf(&codadevsw, i, - DV_CHR, UID_ROOT, GID_WHEEL, 0666, - "cfs%d", i); - coda_devfs_token[i] = - devfs_add_devswf(&codadevsw, i, - DV_CHR, UID_ROOT, GID_WHEEL, 0666, - "coda%d", i); - } -#endif - break; - case MOD_UNLOAD: -#ifdef DEVFS - for (i = 0; i < NVCODA; i++) { - devfs_remove_dev(cfs_devfs_token[i]); - devfs_remove_dev(coda_devfs_token[i]); - } -#endif - cdevsw_add(&dev, oldcdevsw, NULL); - break; - default: - break; + for (i = 0; i < NVCODA; i++) { + cfs_devfs_token[i] = + devfs_add_devswf(&codadevsw, i, + DV_CHR, UID_ROOT, GID_WHEEL, 0666, + "cfs%d", i); + coda_devfs_token[i] = + devfs_add_devswf(&codadevsw, i, + DV_CHR, UID_ROOT, GID_WHEEL, 0666, + "coda%d", i); } - return 0; +#endif } -static moduledata_t codadev_mod = { - "codadev", - codadev_modevent, - NULL -}; -DECLARE_MODULE(codadev, codadev_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE+VC_DEV_NO); int coda_fbsd_getpages(v) @@ -172,7 +177,7 @@ printf("coda_getp: Internally Opening %p\n", vp); return (error); } if (vp->v_type == VREG) { - error = vfs_object_create(vp, p, cred); + error = vfs_object_create(vp, p, cred, 1); if (error != 0) { printf("coda_getpage: vfs_object_create() returns %d\n", error); vput(vp); @@ -214,3 +219,57 @@ coda_fbsd_putpages(v) return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count, ap->a_sync, ap->a_rtvals); } + + +SYSINIT(codadev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+VC_DEV_NO,vc_drvinit,NULL) + +#ifdef VFS_LKM + +#include <sys/mount.h> +#include <sys/lkm.h> + +extern struct vfsops coda_vfsops; + +static struct vfsconf _fs_vfsconf = { &coda_vfsops, "coda", -1, 0, 0 }; + +extern struct linker_set coda_modvnops ; + +static struct lkm_vfs coda_mod_vfs = { + LM_VFS, LKM_VERSION, "coda", 0, &coda_modvnops, &_fs_vfsconf }; + +static struct lkm_dev coda_mod_dev = { + LM_DEV, LKM_VERSION, "codadev", VC_DEV_NO, LM_DT_CHAR, (void *) &codadevsw}; + +int coda_mod(struct lkm_table *, int, int); +int +coda_mod(struct lkm_table *lkmtp, int cmd, int ver) +{ + int error = 0; + + if (ver != LKM_VERSION) + return EINVAL; + + switch (cmd) { + case LKM_E_LOAD: + lkmtp->private.lkm_any = (struct lkm_any *) &coda_mod_dev; + error = lkmdispatch(lkmtp, cmd); + if (error) + break; + lkmtp->private.lkm_any = (struct lkm_any *) &coda_mod_vfs ; + error = lkmdispatch(lkmtp, cmd); + break; + case LKM_E_UNLOAD: + lkmtp->private.lkm_any = (struct lkm_any *) &coda_mod_vfs ; + error = lkmdispatch(lkmtp, cmd); + if (error) + break; + lkmtp->private.lkm_any = (struct lkm_any *) &coda_mod_dev; + error = lkmdispatch(lkmtp, cmd); + break; + case LKM_E_STAT: + error = lkmdispatch(lkmtp, cmd); + break; + } + return error; +} +#endif |