Annotation of sys/xfs/xfs_locl.h, Revision 1.1
1.1 ! nbrk 1: /*
! 2: * Copyright (c) 1995 - 2002 Kungliga Tekniska Högskolan
! 3: * (Royal Institute of Technology, Stockholm, Sweden).
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: *
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: *
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * 3. Neither the name of the Institute nor the names of its contributors
! 18: * may be used to endorse or promote products derived from this software
! 19: * without specific prior written permission.
! 20: *
! 21: * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
! 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
! 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 31: * SUCH DAMAGE.
! 32: */
! 33:
! 34: /* $arla: xfs_locl.h,v 1.72 2003/02/15 16:40:00 lha Exp $ */
! 35:
! 36: #ifdef HAVE_CONFIG_H
! 37: #include <config.h>
! 38: #else
! 39: #include <xfs/xfs_config.h>
! 40: #endif
! 41:
! 42: #ifndef RCSID
! 43: #define RCSID(x)
! 44: #endif
! 45:
! 46: #ifdef __osf__
! 47:
! 48: #ifdef __GNUC__
! 49: #define asm __foo_asm
! 50: #endif
! 51: #include <sys/types.h>
! 52: #include <sys/errno.h>
! 53: #include <sys/uio.h>
! 54: #include <machine/cpu.h>
! 55: #include <sys/conf.h>
! 56: #include <sys/sysconfig.h>
! 57: #include <sys/file.h>
! 58: #include <sys/malloc.h>
! 59: #include <sys/poll.h>
! 60: #include <sys/ioctl.h>
! 61: #include <sys/fcntl.h>
! 62: #include <sys/vfs_proto.h>
! 63: #include <io/common/devdriver.h>
! 64: #include <vm/vm_page.h>
! 65: #include <vm/vm_vppage.h>
! 66: #include <vm/vm_ubc.h>
! 67:
! 68: typedef short int16_t;
! 69: typedef unsigned short uint16_t;
! 70: typedef int int32_t;
! 71: typedef unsigned int uint32_t;
! 72:
! 73: #define VT_AFS VT_ADDON
! 74: #define MOUNT_NNPFS MOUNT_PC
! 75:
! 76: typedef struct nameidata xfs_componentname;
! 77:
! 78: /* XXX this is gross, but makes the code considerably more readable */
! 79: #if 0
! 80: #define componentname nameidata
! 81: #endif
! 82:
! 83: #define cn_nameptr ni_ptr
! 84: #define cn_namelen ni_namelen
! 85: #define cn_hash ni_hash
! 86: #define cn_cred ni_cred
! 87: #define cn_nameiop ni_nameiop
! 88: #define cn_flags ni_flags
! 89:
! 90: #define mnt_stat m_stat
! 91: #define mnt_flag m_flag
! 92:
! 93: #define NDINIT(ndp, op, flags, segflg, namep, p) \
! 94: (ndp)->ni_nameiop = (op) | (flags); \
! 95: (ndp)->ni_segflg = segflg; \
! 96: (ndp)->ni_dirp = namep;
! 97:
! 98: #define LOCKLEAF 0
! 99:
! 100: #define FFLAGS(mode) ((mode) - FOPEN)
! 101:
! 102: /* 4.4BSD vput does VOP_UNLOCK + vrele, but it seems as if we only
! 103: should do a vrele here */
! 104: #define vput(VP) vrele(VP)
! 105:
! 106: #define xfs_uio_to_proc(uiop) (u.u_procp)
! 107: #define xfs_cnp_to_proc(cnp) (u.u_procp)
! 108: #define xfs_proc_to_cred(p) ((p)->p_rcred)
! 109: #define xfs_proc_to_euid(p) ((p)->p_rcred->cr_uid)
! 110:
! 111: #define xfs_curproc() (u.u_procp)
! 112:
! 113: #define xfs_vop_read VOP_READ
! 114: #define xfs_vop_write VOP_WRITE
! 115: #define xfs_vop_getattr(t, attr, cred, proc, error) VOP_GETATTR((t), (attr), (cred), (error))
! 116: #define xfs_vop_access(dvp, mode, cred, proc, error) VOP_ACCESS((dvp), (mode), (cred), (error))
! 117:
! 118: struct vop_generic_args;
! 119:
! 120: typedef u_long va_size_t;
! 121:
! 122: #else /* !__osf__ */
! 123:
! 124: typedef struct componentname xfs_componentname;
! 125:
! 126: #include <sys/types.h>
! 127: #include <sys/param.h>
! 128: #include <sys/time.h>
! 129: #include <sys/proc.h>
! 130: #include <sys/filedesc.h>
! 131: #include <sys/kernel.h>
! 132: #ifdef HAVE_SYS_MODULE_H
! 133: #include <sys/module.h>
! 134: #endif
! 135: #include <sys/systm.h>
! 136: #include <sys/fcntl.h>
! 137: #ifdef HAVE_SYS_SYSPROTO_H
! 138: #include <sys/sysproto.h>
! 139: #endif
! 140: #include <sys/conf.h>
! 141: #include <sys/mount.h>
! 142: #include <sys/exec.h>
! 143: #ifdef HAVE_SYS_SYSENT_H
! 144: #include <sys/sysent.h>
! 145: #endif
! 146: #ifdef HAVE_SYS_LKM_H
! 147: #include <sys/lkm.h>
! 148: #endif
! 149: #ifdef HAVE_SYS_LOCK_H
! 150: #include <sys/lock.h>
! 151: #endif
! 152: #ifdef HAVE_SYS_MUTEX_H
! 153: #include <sys/mutex.h>
! 154: #endif
! 155: #include <sys/vnode.h>
! 156: #include <sys/errno.h>
! 157: #include <sys/file.h>
! 158: #include <sys/namei.h>
! 159: #include <sys/dirent.h>
! 160: #include <sys/ucred.h>
! 161: #include <sys/selinfo.h>
! 162: #include <sys/uio.h>
! 163: #ifdef HAVE_SYS_POLL_H
! 164: #include <sys/poll.h>
! 165: #endif
! 166: #ifdef HAVE_SYS_SIGNALVAR_H
! 167: #include <sys/signalvar.h>
! 168: #endif
! 169: #ifdef HAVE_SYS_INTTYPES_H
! 170: #include <sys/inttypes.h>
! 171: #endif
! 172: #include <sys/syscall.h>
! 173: #include <sys/queue.h>
! 174: #include <sys/malloc.h>
! 175: #ifdef HAVE_SYS_SYSCALLARGS_H
! 176: #include <sys/syscallargs.h>
! 177: #endif
! 178: #ifdef HAVE_SYS_ATTR_H
! 179: #include <sys/attr.h>
! 180: #endif
! 181:
! 182: #ifdef HAVE_MISCFS_GENFS_GENFS_H
! 183: #include <miscfs/genfs/genfs.h>
! 184: #endif
! 185: #ifdef HAVE_MISCFS_SYNCFS_SYNCFS_H
! 186: #include <miscfs/syncfs/syncfs.h>
! 187: #endif
! 188: #ifndef HAVE_KERNEL_UVM_ONLY
! 189: #ifdef HAVE_VM_VM_H
! 190: #include <vm/vm.h>
! 191: #endif
! 192: #ifdef HAVE_VM_VM_EXTERN_H
! 193: #include <vm/vm_extern.h>
! 194: #endif
! 195: #ifdef HAVE_VM_VM_ZONE_H
! 196: #include <vm/vm_zone.h>
! 197: #endif
! 198: #ifdef HAVE_VM_VM_OBJECT_H
! 199: #include <vm/vm_object.h>
! 200: #endif
! 201: #endif
! 202: #ifdef HAVE_UVM_UVM_EXTERN_H
! 203: #include <uvm/uvm_extern.h>
! 204: #endif
! 205: #ifdef HAVE_VM_UMA_H
! 206: #include <vm/uma.h>
! 207: #endif
! 208:
! 209: #if defined(__APPLE__)
! 210: #include <machine/machine_routines.h>
! 211: #include <mach/machine/vm_types.h>
! 212: #include <sys/ubc.h>
! 213: void cache_purge(struct vnode *);
! 214: int cache_lookup(struct vnode *, struct vnode **, struct componentname *);
! 215: void cache_enter(struct vnode *, struct vnode *, struct componentname *);
! 216: void cache_purgevfs(struct mount *);
! 217: #endif
! 218:
! 219: #define xfs_vop_read(t, uio, ioflag, cred, error) (error) = VOP_READ((t), (uio), (ioflag), (cred))
! 220: #define xfs_vop_write(t, uio, ioflag, cred, error) (error) = VOP_WRITE((t), (uio), (ioflag), (cred))
! 221: #define xfs_vop_getattr(t, attr, cred, proc, error) (error) = VOP_GETATTR((t), (attr), (cred), (proc))
! 222: #define xfs_vop_access(dvp, mode, cred, proc, error) (error) = VOP_ACCESS((dvp), (mode), (cred), (proc))
! 223:
! 224: typedef u_quad_t va_size_t;
! 225:
! 226: #endif /* !__osf__ */
! 227:
! 228: #ifdef __FreeBSD_version
! 229: #if __FreeBSD_version < 400000
! 230: # error This version is unsupported
! 231: #elif __FreeBSD_version < 440001 || (__FreeBSD_version >= 500000 && __FreeBSD_version < 500023)
! 232: typedef struct proc d_thread_t;
! 233: #elif __FreeBSD_version == 500023
! 234: # define HAVE_FREEBSD_THREAD
! 235: typedef struct thread d_thread_t;
! 236: #elif __FreeBSD_version >= 500024
! 237: # define HAVE_FREEBSD_THREAD
! 238: #endif
! 239: typedef d_thread_t syscall_d_thread_t;
! 240: #define syscall_thread_to_thread(x) (x)
! 241: #else /* !__FreeBSD_version */
! 242: #if defined(__NetBSD__) && __NetBSD_Version__ >= 106130000
! 243: typedef struct lwp syscall_d_thread_t;
! 244: #define syscall_thread_to_thread(x) ((x)->l_proc)
! 245: #else
! 246: typedef struct proc syscall_d_thread_t;
! 247: #define syscall_thread_to_thread(x) (x)
! 248: #endif
! 249: typedef struct proc d_thread_t;
! 250: #endif /* !__FreeBSD_version */
! 251:
! 252: #ifdef VV_ROOT
! 253: #define NNPFS_MAKE_VROOT(v) ((v)->v_vflag |= VV_ROOT) /* FreeBSD 5 */
! 254: #else
! 255: #define NNPFS_MAKE_VROOT(v) ((v)->v_flag |= VROOT)
! 256: #endif
! 257:
! 258: #if defined(__NetBSD__) && __NetBSD_Version__ >= 105280000
! 259: #include <miscfs/genfs/genfs.h>
! 260: #include <miscfs/genfs/genfs_node.h>
! 261:
! 262: struct genfs_ops xfs_genfsops;
! 263: #endif
! 264:
! 265:
! 266: #if defined(HAVE_FREEBSD_THREAD)
! 267: #define xfs_uio_to_thread(uiop) ((uiop)->uio_td)
! 268: #define xfs_cnp_to_thread(cnp) ((cnp)->cn_thread)
! 269: #define xfs_thread_to_cred(td) ((td)->td_proc->p_ucred)
! 270: #define xfs_thread_to_euid(td) ((td)->td_proc->p_ucred->cr_uid)
! 271: #else
! 272: #define xfs_uio_to_proc(uiop) ((uiop)->uio_procp)
! 273: #define xfs_cnp_to_proc(cnp) ((cnp)->cn_proc)
! 274: #define xfs_proc_to_cred(p) ((p)->p_ucred)
! 275: #define xfs_proc_to_euid(p) ((p)->p_ucred->cr_uid)
! 276: #endif
! 277:
! 278: #if defined(__FreeBSD_version) && __FreeBSD_version >= 500043
! 279: extern const char *VT_AFS;
! 280: #endif
! 281:
! 282: #if defined(__FreeBSD__)
! 283: typedef void * xfs_malloc_type;
! 284: #elif defined(__NetBSD__) && __NetBSD_Version__ >= 106140000 /* 1.6N */
! 285: typedef struct malloc_type * xfs_malloc_type;
! 286: #else
! 287: typedef int xfs_malloc_type;
! 288: #endif
! 289:
! 290: #ifdef __APPLE__
! 291: #define xfs_curproc() (current_proc())
! 292: #else
! 293: #if defined(HAVE_FREEBSD_THREAD)
! 294: #define xfs_curthread() (curthread)
! 295: #else
! 296: #define xfs_curproc() (curproc)
! 297: #endif
! 298: #endif
! 299:
! 300: #ifdef __osf__
! 301: #define xfs_pushdirty(vp, cred, p)
! 302: #else
! 303: void xfs_pushdirty(struct vnode *, struct ucred *, d_thread_t *);
! 304: #endif
! 305:
! 306:
! 307: #if defined(HAVE_UINTPTR_T) /* c99 enviroment */
! 308: #define xfs_uintptr_t uintptr_t
! 309: #else
! 310: #if defined(_LP64) || defined(alpha) || defined(__alpha__) || defined(__sparc64__) || defined(__sparcv9__)
! 311: #define xfs_uintptr_t unsigned long long
! 312: #else /* !LP64 */
! 313: #define xfs_uintptr_t unsigned long
! 314: #endif /* LP64 */
! 315: #endif
! 316:
! 317: /*
! 318: * XXX
! 319: */
! 320:
! 321: #ifndef SCARG
! 322: #if defined(__FreeBSD_version) && __FreeBSD_version > 500042
! 323: #define SCARG(a, b) ((a)->b)
! 324: #define syscallarg(x) x
! 325: #else
! 326: #define SCARG(a, b) ((a)->b.datum)
! 327: #define syscallarg(x) union { x datum; register_t pad; }
! 328: #endif /* __FreeBSD_version */
! 329: #endif /* SCARG */
! 330:
! 331: #ifndef syscallarg
! 332: #define syscallarg(x) x
! 333: #endif
! 334:
! 335: #ifndef HAVE_REGISTER_T
! 336: typedef int register_t;
! 337: #endif
! 338:
! 339: /* malloc(9) waits by default, freebsd post 5.0 choose to remove the flag */
! 340: #ifndef M_WAITOK
! 341: #define M_WAITOK 0
! 342: #endif
! 343:
! 344: #if defined(HAVE_DEF_STRUCT_SETGROUPS_ARGS)
! 345: #define xfs_setgroups_args setgroups_args
! 346: #elif defined(HAVE_DEF_STRUCT_SYS_SETGROUPS_ARGS)
! 347: #define xfs_setgroups_args sys_setgroups_args
! 348: #elif __osf__
! 349: struct xfs_setgroups_args {
! 350: syscallarg(int) gidsetsize;
! 351: syscallarg(gid_t) *gidset;
! 352: };
! 353: #elif defined(__APPLE__)
! 354: struct xfs_setgroups_args{
! 355: syscallarg(u_int) gidsetsize;
! 356: syscallarg(gid_t) *gidset;
! 357: };
! 358: #else
! 359: #error what is you setgroups named ?
! 360: #endif
! 361:
! 362:
! 363: #ifdef HAVE_KERNEL_VFS_GETVFS
! 364: #define xfs_vfs_getvfs vfs_getvfs
! 365: #else
! 366: #define xfs_vfs_getvfs getvfs
! 367: #endif
! 368:
! 369: #ifdef HAVE_FOUR_ARGUMENT_VFS_OBJECT_CREATE
! 370: #define xfs_vfs_object_create(vp,proc,ucred) vfs_object_create(vp,proc,ucred,TRUE)
! 371: #else
! 372: #define xfs_vfs_object_create(vp,proc,ucred) vfs_object_create(vp,proc,ucred)
! 373: #endif
! 374:
! 375: #if defined(UVM) || (defined(__NetBSD__) && __NetBSD_Version__ >= 105280000)
! 376: #define xfs_set_vp_size(vp, sz) uvm_vnp_setsize(vp, sz)
! 377: #elif HAVE_KERNEL_VNODE_PAGER_SETSIZE
! 378: #define xfs_set_vp_size(vp, sz) vnode_pager_setsize(vp, sz)
! 379: #elif defined(__APPLE__)
! 380: #define xfs_set_vp_size(vp, sz) ubc_setsize(vp, sz)
! 381: #else
! 382: #define xfs_set_vp_size(vp, sz)
! 383: #endif
! 384:
! 385: /* namei flag */
! 386: #ifdef LOCKLEAF
! 387: #define NNPFS_LOCKLEAF LOCKLEAF
! 388: #else
! 389: #define NNPFS_LOCKLEAF 0
! 390: #endif
! 391:
! 392: #ifdef NEED_VGONEL_PROTO
! 393: void vgonel (struct vnode *vp, d_thread_t *p);
! 394: #endif
! 395:
! 396: #ifdef NEED_ISSIGNAL_PROTO
! 397: int issignal (d_thread_t *);
! 398: #endif
! 399:
! 400: #ifdef NEED_STRNCMP_PROTO
! 401: int strncmp (const char *, const char *, size_t);
! 402: #endif
! 403:
! 404: #ifdef NEED_VN_WRITECHK_PROTO
! 405: int vn_writechk (struct vnode *);
! 406: #endif
! 407:
! 408: #ifdef NEED_UBC_PUSHDIRTY_PROTO
! 409: int ubc_pushdirty (struct vnode *);
! 410: #endif
! 411:
! 412: #include <xfs/xfs_syscalls.h>
! 413:
! 414: /*
! 415: * The VOP table
! 416: *
! 417: * What VOPs do we have today ?
! 418: */
! 419:
! 420: #define NNPFS_VOP_DEF(n) \
! 421: struct vop_##n##_args; \
! 422: int xfs_##n(struct vop_##n##_args *);
! 423:
! 424: #include "xfs/xfs_vopdefs.h"
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