diff options
Diffstat (limited to 'sys/fs/coda/coda_venus.c')
| -rw-r--r-- | sys/fs/coda/coda_venus.c | 705 |
1 files changed, 0 insertions, 705 deletions
diff --git a/sys/fs/coda/coda_venus.c b/sys/fs/coda/coda_venus.c deleted file mode 100644 index 9d012dd..0000000 --- a/sys/fs/coda/coda_venus.c +++ /dev/null @@ -1,705 +0,0 @@ -/*- - * Coda: an Experimental Distributed File System - * Release 3.1 - * - * Copyright (c) 1987-1998 Carnegie Mellon University - * All Rights Reserved - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation, and - * that credit is given to Carnegie Mellon University in all documents - * and publicity pertaining to direct or indirect use of this code or its - * derivatives. - * - * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS, - * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS - * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON - * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER - * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF - * ANY DERIVATIVE WORK. - * - * Carnegie Mellon encourages users of this software to return any - * improvements or extensions that they make, and to grant Carnegie - * Mellon the rights to redistribute these changes without encumbrance. - * - * @(#) src/sys/cfs/coda_venus.c,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/fcntl.h> -#include <sys/ioccom.h> -#include <sys/lock.h> -#include <sys/malloc.h> -#include <sys/mutex.h> -#include <sys/proc.h> -#include <sys/sx.h> - -#include <fs/coda/coda.h> -#include <fs/coda/cnode.h> -#include <fs/coda/coda_venus.h> -#include <fs/coda/coda_pioctl.h> - -#define DECL_NO_IN(name) \ - struct coda_in_hdr *inp; \ - struct name ## _out *outp; \ - int name ## _size = sizeof (struct coda_in_hdr); \ - int Isize = sizeof (struct coda_in_hdr); \ - int Osize = sizeof (struct name ## _out); \ - int error - -#define DECL(name) \ - struct name ## _in *inp; \ - struct name ## _out *outp; \ - int name ## _size = sizeof (struct name ## _in); \ - int Isize = sizeof (struct name ## _in); \ - int Osize = sizeof (struct name ## _out); \ - int error - -#define DECL_NO_OUT(name) \ - struct name ## _in *inp; \ - struct coda_out_hdr *outp; \ - int name ## _size = sizeof (struct name ## _in); \ - int Isize = sizeof (struct name ## _in); \ - int Osize = sizeof (struct coda_out_hdr); \ - int error - -#define ALLOC_NO_IN(name) \ - if (Osize > name ## _size) \ - name ## _size = Osize; \ - CODA_ALLOC(inp, struct coda_in_hdr *, name ## _size); \ - outp = (struct name ## _out *) inp - -#define ALLOC(name) \ - if (Osize > name ## _size) \ - name ## _size = Osize; \ - CODA_ALLOC(inp, struct name ## _in *, name ## _size); \ - outp = (struct name ## _out *) inp - -#define ALLOC_NO_OUT(name) \ - if (Osize > name ## _size) \ - name ## _size = Osize; \ - CODA_ALLOC(inp, struct name ## _in *, name ## _size); \ - outp = (struct coda_out_hdr *) inp - -#define STRCPY(struc, name, len) \ - bcopy(name, (char *)inp + (int)inp->struc, len); \ - ((char*)inp + (int)inp->struc)[len++] = 0; \ - Isize += len - -#ifdef CODA_COMPAT_5 -#define INIT_IN(in, op, ident, p) do { \ - (in)->opcode = (op); \ - sx_slock(&proctree_lock); \ - (in)->pid = p ? p->p_pid : -1; \ - (in)->pgid = p ? p->p_pgid : -1; \ - (in)->sid = (p && p->p_session && p->p_session->s_leader) ? \ - (p->p_session->s_leader->p_pid) : -1; \ - sx_sunlock(&proctree_lock); \ - if (ident != NOCRED) { \ - (in)->cred.cr_uid = ident->cr_uid; \ - (in)->cred.cr_groupid = ident->cr_gid; \ - } else { \ - bzero(&((in)->cred),sizeof(struct coda_cred)); \ - (in)->cred.cr_uid = -1; \ - (in)->cred.cr_groupid = -1; \ - } \ -} while (0) -#else -#define INIT_IN(in, op, ident, p) do { \ - (in)->opcode = (op); \ - (in)->pid = p ? p->p_pid : -1; \ - (in)->pgid = p ? p->p_pgid : -1; \ - if (ident != NOCRED) \ - (in)->uid = ident->cr_uid; \ - else \ - (in)->uid = -1; \ -} while (0) -#endif - -#define CNV_OFLAG(to, from) do { \ - to = 0; \ - if (from & FREAD) to |= C_O_READ; \ - if (from & FWRITE) to |= C_O_WRITE; \ - if (from & O_TRUNC) to |= C_O_TRUNC; \ - if (from & O_EXCL) to |= C_O_EXCL; \ - if (from & O_CREAT) to |= C_O_CREAT; \ -} while (0) - -#define CNV_VV2V_ATTR(top, fromp) do { \ - (top)->va_type = (fromp)->va_type; \ - (top)->va_mode = (fromp)->va_mode; \ - (top)->va_nlink = (fromp)->va_nlink; \ - (top)->va_uid = (fromp)->va_uid; \ - (top)->va_gid = (fromp)->va_gid; \ - (top)->va_fsid = VNOVAL; \ - (top)->va_fileid = (fromp)->va_fileid; \ - (top)->va_size = (fromp)->va_size; \ - (top)->va_blocksize = (fromp)->va_blocksize; \ - (top)->va_atime = (fromp)->va_atime; \ - (top)->va_mtime = (fromp)->va_mtime; \ - (top)->va_ctime = (fromp)->va_ctime; \ - (top)->va_gen = (fromp)->va_gen; \ - (top)->va_flags = (fromp)->va_flags; \ - (top)->va_rdev = (fromp)->va_rdev; \ - (top)->va_bytes = (fromp)->va_bytes; \ - (top)->va_filerev = (fromp)->va_filerev; \ - (top)->va_vaflags = VNOVAL; \ - (top)->va_spare = VNOVAL; \ -} while (0) - -#define CNV_V2VV_ATTR(top, fromp) do { \ - (top)->va_type = (fromp)->va_type; \ - (top)->va_mode = (fromp)->va_mode; \ - (top)->va_nlink = (fromp)->va_nlink; \ - (top)->va_uid = (fromp)->va_uid; \ - (top)->va_gid = (fromp)->va_gid; \ - (top)->va_fileid = (fromp)->va_fileid; \ - (top)->va_size = (fromp)->va_size; \ - (top)->va_blocksize = (fromp)->va_blocksize; \ - (top)->va_atime = (fromp)->va_atime; \ - (top)->va_mtime = (fromp)->va_mtime; \ - (top)->va_ctime = (fromp)->va_ctime; \ - (top)->va_gen = (fromp)->va_gen; \ - (top)->va_flags = (fromp)->va_flags; \ - (top)->va_rdev = (fromp)->va_rdev; \ - (top)->va_bytes = (fromp)->va_bytes; \ - (top)->va_filerev = (fromp)->va_filerev; \ -} while (0) - -int coda_kernel_version = CODA_KERNEL_VERSION; - -int -venus_root(void *mdp, struct ucred *cred, struct proc *p, - /*out*/ struct CodaFid *VFid) -{ - DECL_NO_IN(coda_root); /* sets Isize & Osize */ - ALLOC_NO_IN(coda_root); /* sets inp & outp */ - - /* send the open to venus. */ - INIT_IN(inp, CODA_ROOT, cred, p); - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) - *VFid = outp->Fid; - - CODA_FREE(inp, coda_root_size); - return (error); -} - -int -venus_open(void *mdp, struct CodaFid *fid, int flag, struct ucred *cred, - struct proc *p, /*out*/ struct vnode **vp) -{ - int cflag; - DECL(coda_open_by_fd); /* sets Isize & Osize */ - ALLOC(coda_open_by_fd); /* sets inp & outp */ - - /* send the open to venus. */ - INIT_IN(&inp->ih, CODA_OPEN_BY_FD, cred, p); - inp->Fid = *fid; - CNV_OFLAG(cflag, flag); - inp->flags = cflag; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - *vp = error ? NULL : outp->vp; - - CODA_FREE(inp, coda_open_by_fd_size); - return (error); -} - -int -venus_close(void *mdp, struct CodaFid *fid, int flag, struct ucred *cred, - struct proc *p) -{ - int cflag; - DECL_NO_OUT(coda_close); /* sets Isize & Osize */ - ALLOC_NO_OUT(coda_close); /* sets inp & outp */ - - INIT_IN(&inp->ih, CODA_CLOSE, cred, p); - inp->Fid = *fid; - CNV_OFLAG(cflag, flag); - inp->flags = cflag; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_close_size); - return (error); -} - -/* - * These two calls will not exist!!! The container file is read/written - * directly. - */ -void -venus_read(void) -{ -} - -void -venus_write(void) -{ -} - -/* - * This is a bit sad too. the ioctl's are for the control file, not for - * normal files. - */ -int -venus_ioctl(void *mdp, struct CodaFid *fid, int com, int flag, caddr_t data, - struct ucred *cred, struct proc *p) -{ - DECL(coda_ioctl); /* sets Isize & Osize */ - struct PioctlData *iap = (struct PioctlData *)data; - int tmp; - - coda_ioctl_size = VC_MAXMSGSIZE; - ALLOC(coda_ioctl); /* sets inp & outp */ - - INIT_IN(&inp->ih, CODA_IOCTL, cred, p); - inp->Fid = *fid; - - /* - * Command was mutated by increasing its size field to reflect the - * path and follow args. we need to subtract that out before sending - * the command to venus. - */ - inp->cmd = (com & ~(IOCPARM_MASK << 16)); - tmp = ((com >> 16) & IOCPARM_MASK) - sizeof (char *) - sizeof (int); - inp->cmd |= (tmp & IOCPARM_MASK) << 16; - - if (iap->vi.in_size > VC_MAXMSGSIZE || - iap->vi.out_size > VC_MAXMSGSIZE) { - CODA_FREE(inp, coda_ioctl_size); - return (EINVAL); - } - - inp->rwflag = flag; - inp->len = iap->vi.in_size; - inp->data = (char *)(sizeof (struct coda_ioctl_in)); - - error = copyin(iap->vi.in, (char*)inp + (long)inp->data, - iap->vi.in_size); - if (error) { - CODA_FREE(inp, coda_ioctl_size); - return (error); - } - - Osize = VC_MAXMSGSIZE; - error = coda_call(mdp, Isize + iap->vi.in_size, &Osize, (char *)inp); - - /* - * Copy out the out buffer. - */ - if (!error) { - if (outp->len > iap->vi.out_size) - error = EINVAL; - else - error = copyout((char *)outp + (long)outp->data, - iap->vi.out, iap->vi.out_size); - } - - CODA_FREE(inp, coda_ioctl_size); - return (error); -} - -int -venus_getattr(void *mdp, struct CodaFid *fid, struct ucred *cred, - struct vattr *vap) -{ - struct proc *p; - DECL(coda_getattr); /* sets Isize & Osize */ - ALLOC(coda_getattr); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - p = curthread->td_proc; - INIT_IN(&inp->ih, CODA_GETATTR, cred, p); - inp->Fid = *fid; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) - CNV_VV2V_ATTR(vap, &outp->attr); - - CODA_FREE(inp, coda_getattr_size); - return (error); -} - -int -venus_setattr(void *mdp, struct CodaFid *fid, struct vattr *vap, - struct ucred *cred) -{ - struct proc *p; - DECL_NO_OUT(coda_setattr); /* sets Isize & Osize */ - ALLOC_NO_OUT(coda_setattr); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - p = curthread->td_proc; - INIT_IN(&inp->ih, CODA_SETATTR, cred, p); - inp->Fid = *fid; - CNV_V2VV_ATTR(&inp->attr, vap); - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_setattr_size); - return (error); -} - -int -venus_access(void *mdp, struct CodaFid *fid, accmode_t accmode, - struct ucred *cred, struct proc *p) -{ - DECL_NO_OUT(coda_access); /* sets Isize & Osize */ - ALLOC_NO_OUT(coda_access); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_ACCESS, cred, p); - inp->Fid = *fid; - - /* - * NOTE: FreeBSD and Venus internals use the "data" in the low 3 - * bits. Hence, the conversion. - * - * XXX: We cast accmode_t variable into an int. - */ - inp->flags = (int)accmode>>6; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_access_size); - return (error); -} - -int -venus_readlink(void *mdp, struct CodaFid *fid, struct ucred *cred, - struct proc *p, /*out*/ char **str, int *len) -{ - DECL(coda_readlink); /* sets Isize & Osize */ - coda_readlink_size += CODA_MAXPATHLEN; - ALLOC(coda_readlink); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_READLINK, cred, p); - inp->Fid = *fid; - - Osize += CODA_MAXPATHLEN; - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - CODA_ALLOC(*str, char *, outp->count); - *len = outp->count; - bcopy((char *)outp + (long)outp->data, *str, *len); - } - - CODA_FREE(inp, coda_readlink_size); - return (error); -} - -int -venus_fsync(void *mdp, struct CodaFid *fid, struct proc *p) -{ - DECL_NO_OUT(coda_fsync); /* sets Isize & Osize */ - ALLOC_NO_OUT(coda_fsync); /* sets inp & outp */ - - /* - * Send the open to venus. - * - * XXX: should be cached mount cred. - */ - INIT_IN(&inp->ih, CODA_FSYNC, NOCRED, p); - inp->Fid = *fid; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_fsync_size); - return (error); -} - -int -venus_lookup(void *mdp, struct CodaFid *fid, const char *nm, int len, - struct ucred *cred, struct proc *p, /*out*/ struct CodaFid *VFid, - int *vtype) -{ - DECL(coda_lookup); /* sets Isize & Osize */ - coda_lookup_size += len + 1; - ALLOC(coda_lookup); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_LOOKUP, cred, p); - inp->Fid = *fid; - - /* - * NOTE: Between version 1 and version 2 we have added an extra flag - * field to this structure. But because the string was at the end - * and because of the wierd way we represent strings by having the - * slot point to where the string characters are in the "heap", we - * can just slip the flag parameter in after the string slot pointer - * and veni that don't know better won't see this new flag field ... - * Otherwise we'd need two different venus_lookup functions. - */ - inp->name = Isize; - inp->flags = CLU_CASE_SENSITIVE; /* doesn't really matter for BSD */ - STRCPY(name, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - *VFid = outp->Fid; - *vtype = outp->vtype; - } - - CODA_FREE(inp, coda_lookup_size); - return (error); -} - -int -venus_create(void *mdp, struct CodaFid *fid, const char *nm, int len, - int exclusive, int mode, struct vattr *va, struct ucred *cred, - struct proc *p, /*out*/ struct CodaFid *VFid, struct vattr *attr) -{ - DECL(coda_create); /* sets Isize & Osize */ - coda_create_size += len + 1; - ALLOC(coda_create); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_CREATE, cred, p); - inp->Fid = *fid; - inp->excl = exclusive ? C_O_EXCL : 0; - inp->mode = mode; - CNV_V2VV_ATTR(&inp->attr, va); - - inp->name = Isize; - STRCPY(name, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - *VFid = outp->Fid; - CNV_VV2V_ATTR(attr, &outp->attr); - } - - CODA_FREE(inp, coda_create_size); - return (error); -} - -int -venus_remove(void *mdp, struct CodaFid *fid, const char *nm, int len, - struct ucred *cred, struct proc *p) -{ - DECL_NO_OUT(coda_remove); /* sets Isize & Osize */ - coda_remove_size += len + 1; - ALLOC_NO_OUT(coda_remove); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_REMOVE, cred, p); - inp->Fid = *fid; - - inp->name = Isize; - STRCPY(name, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_remove_size); - return (error); -} - -int -venus_link(void *mdp, struct CodaFid *fid, struct CodaFid *tfid, - const char *nm, int len, struct ucred *cred, struct proc *p) -{ - DECL_NO_OUT(coda_link); /* sets Isize & Osize */ - coda_link_size += len + 1; - ALLOC_NO_OUT(coda_link); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_LINK, cred, p); - inp->sourceFid = *fid; - inp->destFid = *tfid; - - inp->tname = Isize; - STRCPY(tname, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_link_size); - return (error); -} - -int -venus_rename(void *mdp, struct CodaFid *fid, struct CodaFid *tfid, - const char *nm, int len, const char *tnm, int tlen, struct ucred *cred, - struct proc *p) -{ - DECL_NO_OUT(coda_rename); /* sets Isize & Osize */ - coda_rename_size += len + 1 + tlen + 1; - ALLOC_NO_OUT(coda_rename); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_RENAME, cred, p); - inp->sourceFid = *fid; - inp->destFid = *tfid; - - inp->srcname = Isize; - STRCPY(srcname, nm, len); /* increments Isize */ - - inp->destname = Isize; - STRCPY(destname, tnm, tlen); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_rename_size); - return (error); -} - -int -venus_mkdir(void *mdp, struct CodaFid *fid, const char *nm, int len, - struct vattr *va, struct ucred *cred, struct proc *p, - /*out*/ struct CodaFid *VFid, struct vattr *ova) -{ - DECL(coda_mkdir); /* sets Isize & Osize */ - coda_mkdir_size += len + 1; - ALLOC(coda_mkdir); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_MKDIR, cred, p); - inp->Fid = *fid; - CNV_V2VV_ATTR(&inp->attr, va); - - inp->name = Isize; - STRCPY(name, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - *VFid = outp->Fid; - CNV_VV2V_ATTR(ova, &outp->attr); - } - - CODA_FREE(inp, coda_mkdir_size); - return (error); -} - -int -venus_rmdir(void *mdp, struct CodaFid *fid, const char *nm, int len, - struct ucred *cred, struct proc *p) -{ - DECL_NO_OUT(coda_rmdir); /* sets Isize & Osize */ - coda_rmdir_size += len + 1; - ALLOC_NO_OUT(coda_rmdir); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_RMDIR, cred, p); - inp->Fid = *fid; - - inp->name = Isize; - STRCPY(name, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_rmdir_size); - return (error); -} - -int -venus_symlink(void *mdp, struct CodaFid *fid, const char *lnm, int llen, - const char *nm, int len, struct vattr *va, struct ucred *cred, - struct proc *p) -{ - DECL_NO_OUT(coda_symlink); /* sets Isize & Osize */ - coda_symlink_size += llen + 1 + len + 1; - ALLOC_NO_OUT(coda_symlink); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_SYMLINK, cred, p); - inp->Fid = *fid; - CNV_V2VV_ATTR(&inp->attr, va); - - inp->srcname = Isize; - STRCPY(srcname, lnm, llen); /* increments Isize */ - - inp->tname = Isize; - STRCPY(tname, nm, len); /* increments Isize */ - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - - CODA_FREE(inp, coda_symlink_size); - return (error); -} - -/* - * XXX: Unused. - */ -int -venus_readdir(void *mdp, struct CodaFid *fid, int count, int offset, - struct ucred *cred, struct proc *p, /*out*/ char *buffer, int *len) -{ - DECL(coda_readdir); /* sets Isize & Osize */ - coda_readdir_size = VC_MAXMSGSIZE; - ALLOC(coda_readdir); /* sets inp & outp */ - - /* - * Send the open to venus. - */ - INIT_IN(&inp->ih, CODA_READDIR, cred, p); - inp->Fid = *fid; - inp->count = count; - inp->offset = offset; - - Osize = VC_MAXMSGSIZE; - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - bcopy((char *)outp + (long)outp->data, buffer, outp->size); - *len = outp->size; - } - - CODA_FREE(inp, coda_readdir_size); - return (error); -} - -int -venus_fhtovp(void *mdp, struct CodaFid *fid, struct ucred *cred, - struct proc *p, /*out*/ struct CodaFid *VFid, int *vtype) -{ - DECL(coda_vget); /* sets Isize & Osize */ - ALLOC(coda_vget); /* sets inp & outp */ - - /* - * Send the open to Venus. - */ - INIT_IN(&inp->ih, CODA_VGET, cred, p); - inp->Fid = *fid; - - error = coda_call(mdp, Isize, &Osize, (char *)inp); - if (!error) { - *VFid = outp->Fid; - *vtype = outp->vtype; - } - - CODA_FREE(inp, coda_vget_size); - return (error); -} |
