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MFdevbranch 192944

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- add FreeBSD implementation of xdrmem_control needed by zfs
 - have zfs define xdr_ops using FreeBSD's definition
 - remove solaris xdr files from zfs compile
This commit is contained in:
Kip Macy 2009-05-28 08:18:12 +00:00
parent 48369f7cc0
commit c334d2d544
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=192971
4 changed files with 91 additions and 7 deletions
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23
sys/cddl/contrib/opensolaris/uts/common/rpc/xdr.h
View File

@ -121,6 +121,7 @@ typedef struct XDR {
* Changes must be reviewed by Solaris File Sharing
* Changes must be communicated to contract-2003-523@sun.com
*/
#ifndef __FreeBSD__
struct xdr_ops {
#ifdef __STDC__
#if !defined(_KERNEL)
@ -168,6 +169,28 @@ struct xdr_ops {
#endif
};
#else /* FreeBSD */
struct xdr_ops {
/* get a long from underlying stream */
bool_t (*x_getint32)(struct XDR *, int32_t *);
/* put a long to " */
bool_t (*x_putint32)(struct XDR *, const int32_t *);
/* get some bytes from " */
bool_t (*x_getbytes)(struct XDR *, char *, u_int);
/* put some bytes to " */
bool_t (*x_putbytes)(struct XDR *, const char *, u_int);
/* returns bytes off from beginning */
u_int (*x_getpostn)(struct XDR *);
/* lets you reposition the stream */
bool_t (*x_setpostn)(struct XDR *, u_int);
/* buf quick ptr to buffered data */
int32_t *(*x_inline)(struct XDR *, u_int);
/* free privates of this xdr_stream */
void (*x_destroy)(struct XDR *);
bool_t (*x_control)(struct XDR *, int, void *);
};
#endif
/*
* Operations defined on a XDR handle
*

8
sys/modules/zfs/Makefile
View File

@ -44,10 +44,10 @@ SRCS+= list.c
SRCS+= nvpair_alloc_system.c
SRCS+= taskq.c
.PATH: ${SUNW}/uts/common/rpc
SRCS+= opensolaris_xdr.c
SRCS+= opensolaris_xdr_array.c
SRCS+= opensolaris_xdr_mem.c
#.PATH: ${SUNW}/uts/common/rpc
#SRCS+= opensolaris_xdr.c
#SRCS+= opensolaris_xdr_array.c
#SRCS+= opensolaris_xdr_mem.c
.PATH: ${SUNW}/uts/common/zmod
SRCS+= adler32.c

16
sys/rpc/xdr.h
View File

@ -337,6 +337,22 @@ struct netobj {
typedef struct netobj netobj;
extern bool_t xdr_netobj(XDR *, struct netobj *);
/*
* These are XDR control operators
*/
#define XDR_GET_BYTES_AVAIL 1
#define XDR_PEEK 2
#define XDR_SKIPBYTES 3
struct xdr_bytesrec {
bool_t xc_is_last_record;
size_t xc_num_avail;
};
typedef struct xdr_bytesrec xdr_bytesrec;
/*
* These are the public routines for the various implementations of
* xdr streams.

51
sys/xdr/xdr_mem.c
View File

@ -66,7 +66,8 @@ static u_int xdrmem_getpos(XDR *);
static bool_t xdrmem_setpos(XDR *, u_int);
static int32_t *xdrmem_inline_aligned(XDR *, u_int);
static int32_t *xdrmem_inline_unaligned(XDR *, u_int);
static bool_t xdrmem_control(XDR *xdrs, int request, void *info);
static const struct xdr_ops xdrmem_ops_aligned = {
xdrmem_getlong_aligned,
xdrmem_putlong_aligned,
@ -75,7 +76,8 @@ static const struct xdr_ops xdrmem_ops_aligned = {
xdrmem_getpos,
xdrmem_setpos,
xdrmem_inline_aligned,
xdrmem_destroy
xdrmem_destroy,
xdrmem_control
};
static const struct xdr_ops xdrmem_ops_unaligned = {
@ -86,7 +88,8 @@ static const struct xdr_ops xdrmem_ops_unaligned = {
xdrmem_getpos,
xdrmem_setpos,
xdrmem_inline_unaligned,
xdrmem_destroy
xdrmem_destroy,
xdrmem_control
};
/*
@ -228,3 +231,45 @@ xdrmem_inline_unaligned(XDR *xdrs, u_int len)
return (0);
}
static bool_t
xdrmem_control(XDR *xdrs, int request, void *info)
{
xdr_bytesrec *xptr;
int32_t *l;
int len;
switch (request) {
case XDR_GET_BYTES_AVAIL:
xptr = (xdr_bytesrec *)info;
xptr->xc_is_last_record = TRUE;
xptr->xc_num_avail = xdrs->x_handy;
return (TRUE);
case XDR_PEEK:
/*
* Return the next 4 byte unit in the XDR stream.
*/
if (xdrs->x_handy < sizeof (int32_t))
return (FALSE);
l = (int32_t *)info;
*l = (int32_t)ntohl((uint32_t)
(*((int32_t *)(xdrs->x_private))));
return (TRUE);
case XDR_SKIPBYTES:
/*
* Skip the next N bytes in the XDR stream.
*/
l = (int32_t *)info;
len = RNDUP((int)(*l));
if (xdrs->x_handy < len)
return (FALSE);
xdrs->x_handy -= len;
xdrs->x_private = (char *)xdrs->x_private + len;
return (TRUE);
}
return (FALSE);
}