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History log of /src/sys/lib/libsa/nfs.c
RevisionDateAuthorComments
 1.53  29-Jun-2024  rin libsa/nfs.c: Add `LIBSA_NFS_IMPLICIT_MOUNT` compile-time option

by which nfs_mount() is automatically called from nfs_open(),
as done for nfs.c in i386/stand.

This is only functional difference b/w two copies of nfs.c.
Now, we can safely retire the latter.

XXX
It would be really nice to drop this option also. However,
unfortunately, it is too much for me at the very moment...
 1.52  14-Dec-2023  rin libsa: nfs: Fix NFS_NOSYMLINK option for previous

Used only by mvme68k.
 1.51  12-Dec-2023  mlelstv Add NFSv3 support. Try NFSv3 and fall back to NFSv2.
 1.50  26-Jan-2020  skrll Make a debug printf compile for all platforms
 1.49  31-Mar-2019  christos branches: 1.49.6;
fix warnings, printf formats, etc.
 1.48  20-Mar-2014  christos branches: 1.48.30;
reduce size by 1K by sharing the ls code.
 1.47  25-Dec-2011  tsutsui branches: 1.47.6; 1.47.10;
Apply the following patch submitted by Evgeniy Ivanov:
http://mail-index.NetBSD.org/tech-kern/2011/12/15/msg012226.html
http://mail-index.NetBSD.org/tech-kern/2011/12/17/msg012229.html

- add 'ls' op to struct fs_ops to support ls command on each fs,
enabled by -DLIBSA_ENABLE_LS_OP and SAMISCMAKEFLAGS+="SA_ENABLE_LS_OP=yes"
in libsa
- split sys/lib/libsa/ufs_ls.c into UFS specific part and MI part (ls.c)
that opens the target fs and calls fs-depedent XXX_ls() functions
- add a ls op for ext2fs
(all other fs than ufs and ext2fs don't have actual ls ops yet)
- replace existing MD ufs_ls() calls with this new MI ls()

The original patch was written for i386 and ext2fs.
zaurus zboot has been tested by nonaka@.
ews4800mips and x68k loaders have been tested by me (with several fixes).
landisk might be okay since it was almost copied from i386.

XXX1: "ls" op in fs_ops looks a bit inconsistent, but we will be able to
replace it with real fs ops like readdir if it's really worth
XXX2: someone might have to check sys/arch/ia64/stand/efi/libefi/efifs_ls.c
 1.46  16-Jun-2011  joerg branches: 1.46.2; 1.46.6;
Add an optional MD calling convention flag for use in libsa when space
optimisation is critical. Use this on i386 to switch to register passing
calling convention for the file system entry points and most assembler
call backs that have to preserve at least 3 registers.
 1.45  17-Jan-2009  tsutsui branches: 1.45.12;
Remove __P().
 1.44  19-Nov-2008  ad For the x86 boot loader, autoload a kernel module corresponding to the
root file system type.
 1.43  25-Mar-2008  christos branches: 1.43.4; 1.43.10; 1.43.12;
- use mem* instead of b* routines, and kill the b* routines.
- use the mem* routines from libc.
XXX: There will be some lossage, but I am fixing it.
 1.42  24-Nov-2007  isaki branches: 1.42.14;
style, indent, and ANSI-fy.
 1.41  25-Feb-2007  uwe branches: 1.41.16; 1.41.18; 1.41.24;
Add missing newlines to debug messages.
 1.40  29-Dec-2006  yamt branches: 1.40.2;
remove nqnfs from comments. from Arnaud Lacombe.
(no functional changes.)
 1.39  25-Jan-2006  christos branches: 1.39.18;
free -> dealloc
 1.38  11-Dec-2005  christos branches: 1.38.2;
merge ktrace-lwp.
 1.37  26-Feb-2005  perry branches: 1.37.4;
nuke trailing whitespace
 1.36  04-Sep-2003  he branches: 1.36.8; 1.36.10;
Um, undo last; libsa printf doesn't do %z.
 1.35  04-Sep-2003  he Use the %zu format for size_t printing instead of cast + %lu.
 1.34  03-Sep-2003  he Cast size_t to u_long before printing, and use %lu instead of %d as format.
Fixes compilation on alpha.
 1.33  31-Aug-2003  fvdl Fix signed/unsigned warnings.
 1.32  18-Aug-2003  dsl make 'path' argument to ufs_open 'const char *' and fix the fallout.
 1.31  18-Mar-2003  mycroft branches: 1.31.2;
Move some stuff into .rodata.
 1.30  12-Mar-2003  drochner no need to include "netif.h" anymore
(shared interface stuff is in iodesc.h, included by net.h)
 1.29  30-Mar-2000  augustss Kill some more register declarations.
 1.28  23-Nov-1999  simonb Remove leading '/' from pathnames, using same logic as ufs.c. Allows new
style (but not yet committed) pmax bootblocks to open "/boot.pmax" on an
ISO image. Same problem reported for NFS by Jason Thorpe.
 1.27  13-Nov-1999  thorpej Backout my libsa changes.
 1.26  11-Nov-1999  thorpej Update for the improvements to libsa, and don't reference libkern.h.
 1.25  31-Mar-1999  cgd branches: 1.25.8; 1.25.10; 1.25.14;
Make a bunch of backward-compatible changes to the boot blocks which allow
size to be reduced substantially. (backward compatibility verified
by compiling one of the alpha boot blocks which uses all of the code
before and after, diffing the object files, and manually verifying that
the differences were 'correct'. some differences were "unavoidable,"
it wanting to avoid a double-commit, because e.g. local variables which
were previously used were no longer used.) a README which describes
supported options (or at least the ones mentioned below) is forthcoming.

add support for the preprocessor macro LIBSA_NO_TWIDDLE, which
causes calls to twiddle() to be omitted if it's defined.
add support for the preprocessor macros:
LIBSA_NO_FS_CLOSE
LIBSA_NO_FS_WRITE
LIBSA_NO_FS_SEEK
which, if defined, cause the corresponding file system operations
in the individual file system implementations to be omitted. (note
that all of those macros are not supported by all file systems at
this point. comments were added to individual file system files
to indicate lack of support, and should be cleaned up later. Backward
compatibility options e.g. UFS_NOCLOSE, etc., are supported.)
add support for the preprocessor macro LIBSA_NO_FS_SYMLINK, which
removes support for symbolic links from the file system support
functions. (same notes as for the macros above apply.)
add support for the preprocessor macro LIBSA_FS_SINGLECOMPONENT which
removes all subdirectory and symlink support from the file system
support functions. (same notes as for the macros above apply.)
add support for the preprocessor macro LIBSA_NO_FD_CHECKING, which
causes code relating to libsa file descriptor checks (e.g. range
checking and checking that a file descriptor is valid) to be
omitted if it's defined.
add support for the preprocessor macro LIBSA_NO_RAW_ACCESS, which
causes code relating to raw device access to be omitted if it's
defined.
change some structure copies to use bcopy() instead. that way
use of bcopy vs. memcpy() can easily be selected by
LIBSA_USE_MEMCPY. (without changes like these, you could end up
having both bcopy() and memcpy() included. eventually, all
calls to bcopy should be changed to calls to memcpy() or memmove()
as appropriate -- hopefully never the latter -- with an option to
use bcopy instead.)
add support for the preprocessor macro LIBSA_NO_DISKLABEL_MSGS, which
causes disklabel() to return '1' as msg rather than a string. Can
be used if the boot blocks don't care about the string, and need to
save the space.
add support for the preprocessor macro LIBSA_SINGLE_FILESYSTEM, which
if defined causes all of the file system switch code to be removed.
Its value should be the name of the file system supported by the
boot block, e.g. "ufs" for the FFS file system. calls to the
file system functions open, close, etc., which were previously
done through a function switch are then done via direct invocation
of <fs>_open, <fs>_close, etc. (e.g. ufs_open, ...).
add support for the preprocessor macro LIBSA_SINGLE_DEVICE, which
does the equivalent of LIBSA_SINGLE_FILESYSTEM but for the device
switch table. Device entry pointes are expected to be named
<dev>foo, e.g. the 'strategy' routine used when LIBSA_SINGLE_DEVICE
is set to 'disk' is diskstrategy.
make ufs.c f_nindir array be unsigned ints. the fact that it was signed
caused ufs.c to require signed division routines (which were otherwise
unnecessary for a small boot block).
 1.24  11-Feb-1999  pk Add missing prototypes.
 1.23  23-Jan-1998  thorpej Fix some debugging printf formats.
 1.22  26-Jun-1997  drochner Avoid user space headers for standalone programs.
Don't use sys/lib/libkern or sys/lib/libz if not standalone
(ie, user space test programs).
 1.21  16-Jun-1997  drochner Conditionally compile without symlink support (#ifdef NFS_NOSYMLINK).
Saves 708 bytes (i386). (close pr misc/3335)
 1.20  27-Dec-1996  pk Add missing `#ifdef NFS_DEBUG' (from Rolf Grossmann; PR#3061).
 1.19  13-Oct-1996  christos backout previous kprintf changes
 1.18  10-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.17  02-Oct-1996  cgd fix several endianness bugs that caused name lookup (!!) and symlink
expansion to fail on little-endian machines.
 1.16  30-Sep-1996  ws Add support for booting from cd9660 fs
Support directory traversal and symbolic links for nfs booting
Close device when file opening failed
Plug memory leak in ufs code
 1.15  14-May-1996  leo Fix gcc -Wall warnings about printf arguments.
 1.14  26-Feb-1996  gwr Make this code independent of <sys/nfs> now that we use very little
from there anyway, so we can ignore changes in the NFS code...
 1.13  26-Feb-1996  scottr Make these build again in the wake of the v3 changes
 1.12  23-Sep-1995  gwr More cleanup: change some private types to eliminate casts,
replace some "goto xxx" with return(-1). (mostly cosmetic)
 1.11  18-Sep-1995  pk Another round of clean up, including fixes presented by Matthias Drochner
(PR#1404). Things to be noted:
- all IP addresses are now `struct in_addr's.
- the function rarp_getipaddress() no longer return `myip'; in stead
it returns -1 on failure (errno set), 0 on success. `myip' is set
as a size-effect.
 1.10  17-Sep-1995  pk Revert fs_ops read/write declarations; these return error numbers.
Get rid of some more compiler warnings.
Set errno where appropriate.
 1.9  14-Sep-1995  pk Clear up some size_t/ssize_t confusion.
 1.8  03-Jul-1995  gwr Can not use htonl() in static initializers. (Fixes PR 1188)
 1.7  27-Jun-1995  gwr Re-work for new rpc interface, and simplify a bit.
 1.6  20-Feb-1995  mycroft Various:
* Fix some misused types.
* Encapsulate the protocols better.
* Rearrange the RPC stuff to work more like the kernel. (Needs more work.)
* Remove a bunch of extra hair when reading a file over NFS.
* Use RPCAUTH_UNIX when talking to the NFS server.
 1.5  19-Feb-1995  mycroft Adjust the attribute info size for our NFS code.
 1.4  26-Oct-1994  cgd new RCS ID format.
 1.3  22-Aug-1994  brezak branches: 1.3.2;
Cleanup to make more ANSI compliant; checkpoint
 1.2  20-Jun-1994  glass make it compile w/4.4-lite header file changes
 1.1  08-May-1994  brezak Standalone networking for network boot loaders.
 1.3.2.2  22-Aug-1994  brezak Cleanup to make more ANSI compliant; checkpoint
 1.3.2.1  22-Aug-1994  brezak file nfs.c was added on branch netbsd-1-0 on 1994-08-22 21:56:09 +0000
 1.25.14.1  27-Dec-1999  wrstuden Pull up to last week's -current.
 1.25.10.1  15-Nov-1999  fvdl Sync with -current
 1.25.8.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
 1.31.2.4  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.31.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.31.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.31.2.1  03-Aug-2004  skrll Sync with HEAD
 1.36.10.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.36.8.1  29-Apr-2005  kent sync with -current
 1.37.4.4  07-Dec-2007  yamt sync with head
 1.37.4.3  26-Feb-2007  yamt sync with head.
 1.37.4.2  30-Dec-2006  yamt sync with head.
 1.37.4.1  21-Jun-2006  yamt sync with head.
 1.38.2.1  01-Feb-2006  yamt sync with head.
 1.39.18.1  12-Jan-2007  ad Sync with head.
 1.40.2.1  27-Feb-2007  yamt - sync with head.
- move sched_changepri back to kern_synch.c as it doesn't know PPQ anymore.
 1.41.24.1  08-Dec-2007  mjf Sync with HEAD.
 1.41.18.1  09-Jan-2008  matt sync with HEAD
 1.41.16.1  27-Nov-2007  joerg Sync with HEAD. amd64 Xen support needs testing.
 1.42.14.2  17-Jan-2009  mjf Sync with HEAD.
 1.42.14.1  03-Apr-2008  mjf Sync with HEAD.
 1.43.12.1  19-Jan-2009  skrll Sync with HEAD.
 1.43.10.1  13-Dec-2008  haad Update haad-dm branch to haad-dm-base2.
 1.43.4.1  04-May-2009  yamt sync with head.
 1.45.12.1  23-Jun-2011  cherry Catchup with rmind-uvmplock merge.
 1.46.6.1  18-Feb-2012  mrg merge to -current.
 1.46.2.2  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.46.2.1  17-Apr-2012  yamt sync with head
 1.47.10.1  18-May-2014  rmind sync with head
 1.47.6.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.48.30.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.48.30.1  10-Jun-2019  christos Sync with HEAD
 1.49.6.1  29-Feb-2020  ad Sync with head.

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