X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b0d623f7f2ae71ed96e60569f61f9a9a27016e80..e8c3f78193f1895ea514044358b93b1add9322f3:/bsd/vfs/vfs_conf.c diff --git a/bsd/vfs/vfs_conf.c b/bsd/vfs/vfs_conf.c index 467eb00b2..af7ba7c5b 100644 --- a/bsd/vfs/vfs_conf.c +++ b/bsd/vfs/vfs_conf.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2007 Apple Inc. All rights reserved. + * Copyright (c) 2000-2014 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -72,18 +72,16 @@ #include #include -#ifndef __LP64__ -#define VFS_THREAD_SAFE_FLAG VFC_VFSTHREADSAFE /* This is only defined for 32-bit */ -#else -#define VFS_THREAD_SAFE_FLAG 0 -#endif /* __LP64__ */ - - /* * These define the root filesystem, device, and root filesystem type. */ struct mount *rootfs; struct vnode *rootvnode; + +#ifdef CONFIG_IMGSRC_ACCESS +struct vnode *imgsrc_rootvnodes[MAX_IMAGEBOOT_NESTING]; /* [0] -> source volume, [1] -> first disk image */ +#endif /* CONFIG_IMGSRC_ACCESS */ + int (*mountroot)(void) = NULL; /* @@ -91,14 +89,18 @@ int (*mountroot)(void) = NULL; */ extern struct vfsops mfs_vfsops; extern int mfs_mountroot(mount_t, vnode_t, vfs_context_t); /* dead */ -extern struct vfsops hfs_vfsops; -extern int hfs_mountroot(mount_t, vnode_t, vfs_context_t); extern struct vfsops nfs_vfsops; extern int nfs_mountroot(void); extern struct vfsops afs_vfsops; extern struct vfsops null_vfsops; -extern struct vfsops union_vfsops; extern struct vfsops devfs_vfsops; +extern struct vfsops routefs_vfsops; +extern struct vfsops nullfs_vfsops; + +#if MOCKFS +extern struct vfsops mockfs_vfsops; +extern int mockfs_mountroot(mount_t, vnode_t, vfs_context_t); +#endif /* MOCKFS */ /* * For nfs_mountroot(void) cast. nfs_mountroot ignores its parameters, if @@ -106,83 +108,60 @@ extern struct vfsops devfs_vfsops; */ typedef int (*mountroot_t)(mount_t, vnode_t, vfs_context_t); +enum fs_type_num { + FT_NFS = 2, + FT_DEVFS = 19, + FT_SYNTHFS = 20, + FT_ROUTEFS = 21, + FT_NULLFS = 22, + FT_MOCKFS = 0x6D6F636B +}; + /* * Set up the filesystem operations for vnodes. */ static struct vfstable vfstbllist[] = { - /* HFS/HFS+ Filesystem */ -#if HFS - { &hfs_vfsops, "hfs", 17, 0, (MNT_LOCAL | MNT_DOVOLFS), hfs_mountroot, NULL, 0, 0, VFC_VFSLOCALARGS | VFC_VFSREADDIR_EXTENDED | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSVNOP_PAGEOUTV2, NULL, 0}, -#endif - - /* Memory-based Filesystem */ - -#ifndef __LP64__ -#if MFS - { &mfs_vfsops, "mfs", 3, 0, MNT_LOCAL, mfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0}, -#endif -#endif /* __LP64__ */ - /* Sun-compatible Network Filesystem */ #if NFSCLIENT - { &nfs_vfsops, "nfs", 2, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFSPREFLIGHT | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY | VFC_VFSREADDIR_EXTENDED, NULL, 0}, -#endif - - /* Andrew Filesystem */ -#ifndef __LP64__ -#if AFS - { &afs_vfsops, "andrewfs", 13, 0, 0, afs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0}, -#endif -#endif /* __LP64__ */ - - /* Loopback (Minimal) Filesystem Layer */ -#ifndef __LP64__ -#if NULLFS - { &null_vfsops, "loopback", 9, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS , NULL, 0}, -#endif -#endif /* __LP64__ */ - - /* Union (translucent) Filesystem */ -#if UNION - { &union_vfsops, "unionfs", 15, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0}, + { &nfs_vfsops, "nfs", FT_NFS, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFSPREFLIGHT | VFC_VFS64BITREADY | VFC_VFSREADDIR_EXTENDED, NULL, 0, NULL}, #endif /* Device Filesystem */ #if DEVFS #if CONFIG_MACF - { &devfs_vfsops, "devfs", 19, 0, (MNT_DONTBROWSE | MNT_MULTILABEL), NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0}, + { &devfs_vfsops, "devfs", FT_DEVFS, 0, MNT_MULTILABEL, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFS64BITREADY, NULL, 0, NULL}, #else - { &devfs_vfsops, "devfs", 19, 0, MNT_DONTBROWSE, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFS_THREAD_SAFE_FLAG | VFC_VFS64BITREADY, NULL, 0}, + { &devfs_vfsops, "devfs", FT_DEVFS, 0, 0, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFS64BITREADY, NULL, 0, NULL}, #endif /* MAC */ #endif #ifndef __LP64__ #endif /* __LP64__ */ - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0}, - {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0} +#if NULLFS + { &nullfs_vfsops, "nullfs", FT_NULLFS, 0, (MNT_DONTBROWSE | MNT_RDONLY), NULL, NULL, 0, 0, VFC_VFS64BITREADY, NULL, 0, NULL}, +#endif /* NULLFS */ + +#if MOCKFS + /* If we are configured for it, mockfs should always be the last standard entry (and thus the last FS we attempt mountroot with) */ + { &mockfs_vfsops, "mockfs", FT_MOCKFS, 0, MNT_LOCAL, mockfs_mountroot, NULL, 0, 0, VFC_VFSGENERICARGS, NULL, 0, NULL}, +#endif /* MOCKFS */ + +#if ROUTEFS + /* If we are configured for it, mockfs should always be the last standard entry (and thus the last FS we attempt mountroot with) */ + { &routefs_vfsops, "routefs", FT_ROUTEFS, 0, MNT_LOCAL, NULL, NULL, 0, 0, VFC_VFSGENERICARGS | VFC_VFS64BITREADY, NULL, 0, NULL}, +#endif /* ROUTEFS */ + {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0, NULL}, + {NULL, "", 0, 0, 0, NULL, NULL, 0, 0, 0, NULL, 0, NULL}, }; /* - * Initially the size of the list, vfs_init will set maxvfsconf - * to the highest defined type number. + * vfs_init will set maxvfstypenum to the highest defined type number. */ -int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable); +const int maxvfsslots = sizeof(vfstbllist) / sizeof (struct vfstable); int numused_vfsslots = 0; -int maxvfsconf = sizeof(vfstbllist) / sizeof (struct vfstable); +int numregistered_fses = 0; +int maxvfstypenum = VT_NON + 1; struct vfstable *vfsconf = vfstbllist; /* @@ -205,11 +184,6 @@ extern struct vnodeopv_desc nfsv4_vnodeop_opv_desc; extern struct vnodeopv_desc spec_nfsv4nodeop_opv_desc; extern struct vnodeopv_desc fifo_nfsv4nodeop_opv_desc; extern struct vnodeopv_desc null_vnodeop_opv_desc; -extern struct vnodeopv_desc hfs_vnodeop_opv_desc; -extern struct vnodeopv_desc hfs_std_vnodeop_opv_desc; -extern struct vnodeopv_desc hfs_specop_opv_desc; -extern struct vnodeopv_desc hfs_fifoop_opv_desc; -extern struct vnodeopv_desc union_vnodeop_opv_desc; extern struct vnodeopv_desc devfs_vnodeop_opv_desc; extern struct vnodeopv_desc devfs_spec_vnodeop_opv_desc; #if FDESC @@ -217,6 +191,12 @@ extern struct vnodeopv_desc devfs_devfd_vnodeop_opv_desc; extern struct vnodeopv_desc devfs_fdesc_vnodeop_opv_desc; #endif /* FDESC */ +#if MOCKFS +extern struct vnodeopv_desc mockfs_vnodeop_opv_desc; +#endif /* MOCKFS */ + +extern struct vnodeopv_desc nullfs_vnodeop_opv_desc; + struct vnodeopv_desc *vfs_opv_descs[] = { &dead_vnodeop_opv_desc, #if FIFO && SOCKETS @@ -236,20 +216,6 @@ struct vnodeopv_desc *vfs_opv_descs[] = { &fifo_nfsv4nodeop_opv_desc, #endif #endif -#if NULLFS - &null_vnodeop_opv_desc, -#endif -#if HFS - &hfs_vnodeop_opv_desc, - &hfs_std_vnodeop_opv_desc, - &hfs_specop_opv_desc, -#if FIFO - &hfs_fifoop_opv_desc, -#endif -#endif -#if UNION - &union_vnodeop_opv_desc, -#endif #if DEVFS &devfs_vnodeop_opv_desc, &devfs_spec_vnodeop_opv_desc, @@ -258,5 +224,11 @@ struct vnodeopv_desc *vfs_opv_descs[] = { &devfs_fdesc_vnodeop_opv_desc, #endif /* FDESC */ #endif /* DEVFS */ +#if NULLFS + &nullfs_vnodeop_opv_desc, +#endif /* NULLFS */ +#if MOCKFS + &mockfs_vnodeop_opv_desc, +#endif /* MOCKFS */ NULL };