* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/utsname.h>
/*
* XDR functions for basic NLM types
*/
-static inline u32 *nlm_decode_cookie(u32 *p, struct nlm_cookie *c)
+static __be32 *nlm_decode_cookie(__be32 *p, struct nlm_cookie *c)
{
unsigned int len;
c->len=4;
memset(c->data, 0, 4); /* hockeypux brain damage */
}
- else if(len<=8)
+ else if(len<=NLM_MAXCOOKIELEN)
{
c->len=len;
memcpy(c->data, p, len);
- p+=(len+3)>>2;
+ p+=XDR_QUADLEN(len);
}
else
{
printk(KERN_NOTICE
- "lockd: bad cookie size %d (only cookies under 8 bytes are supported.)\n", len);
+ "lockd: bad cookie size %d (only cookies under %d bytes are supported.)\n", len, NLM_MAXCOOKIELEN);
return NULL;
}
return p;
}
-static inline u32 *
-nlm_encode_cookie(u32 *p, struct nlm_cookie *c)
+static inline __be32 *
+nlm_encode_cookie(__be32 *p, struct nlm_cookie *c)
{
*p++ = htonl(c->len);
memcpy(p, c->data, c->len);
- p+=(c->len+3)>>2;
+ p+=XDR_QUADLEN(c->len);
return p;
}
-static inline u32 *
-nlm_decode_fh(u32 *p, struct nfs_fh *f)
+static __be32 *
+nlm_decode_fh(__be32 *p, struct nfs_fh *f)
{
unsigned int len;
if ((len = ntohl(*p++)) != NFS2_FHSIZE) {
printk(KERN_NOTICE
- "lockd: bad fhandle size %x (should be %d)\n",
+ "lockd: bad fhandle size %d (should be %d)\n",
len, NFS2_FHSIZE);
return NULL;
}
return p + XDR_QUADLEN(NFS2_FHSIZE);
}
-static inline u32 *
-nlm_encode_fh(u32 *p, struct nfs_fh *f)
+static inline __be32 *
+nlm_encode_fh(__be32 *p, struct nfs_fh *f)
{
*p++ = htonl(NFS2_FHSIZE);
memcpy(p, f->data, NFS2_FHSIZE);
/*
* Encode and decode owner handle
*/
-static inline u32 *
-nlm_decode_oh(u32 *p, struct xdr_netobj *oh)
+static inline __be32 *
+nlm_decode_oh(__be32 *p, struct xdr_netobj *oh)
{
return xdr_decode_netobj(p, oh);
}
-static inline u32 *
-nlm_encode_oh(u32 *p, struct xdr_netobj *oh)
+static inline __be32 *
+nlm_encode_oh(__be32 *p, struct xdr_netobj *oh)
{
return xdr_encode_netobj(p, oh);
}
-static inline u32 *
-nlm_decode_lock(u32 *p, struct nlm_lock *lock)
+static __be32 *
+nlm_decode_lock(__be32 *p, struct nlm_lock *lock)
{
struct file_lock *fl = &lock->fl;
s32 start, len, end;
|| !(p = nlm_decode_fh(p, &lock->fh))
|| !(p = nlm_decode_oh(p, &lock->oh)))
return NULL;
+ lock->svid = ntohl(*p++);
locks_init_lock(fl);
fl->fl_owner = current->files;
- fl->fl_pid = ntohl(*p++);
+ fl->fl_pid = (pid_t)lock->svid;
fl->fl_flags = FL_POSIX;
fl->fl_type = F_RDLCK; /* as good as anything else */
start = ntohl(*p++);
/*
* Encode a lock as part of an NLM call
*/
-static u32 *
-nlm_encode_lock(u32 *p, struct nlm_lock *lock)
+static __be32 *
+nlm_encode_lock(__be32 *p, struct nlm_lock *lock)
{
struct file_lock *fl = &lock->fl;
__s32 start, len;
else
len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1);
- *p++ = htonl(fl->fl_pid);
+ *p++ = htonl(lock->svid);
*p++ = htonl(start);
*p++ = htonl(len);
/*
* Encode result of a TEST/TEST_MSG call
*/
-static u32 *
-nlm_encode_testres(u32 *p, struct nlm_res *resp)
+static __be32 *
+nlm_encode_testres(__be32 *p, struct nlm_res *resp)
{
s32 start, len;
if (!(p = nlm_encode_cookie(p, &resp->cookie)))
- return 0;
+ return NULL;
*p++ = resp->status;
if (resp->status == nlm_lck_denied) {
struct file_lock *fl = &resp->lock.fl;
*p++ = (fl->fl_type == F_RDLCK)? xdr_zero : xdr_one;
- *p++ = htonl(fl->fl_pid);
+ *p++ = htonl(resp->lock.svid);
/* Encode owner handle. */
if (!(p = xdr_encode_netobj(p, &resp->lock.oh)))
- return 0;
+ return NULL;
start = loff_t_to_s32(fl->fl_start);
if (fl->fl_end == OFFSET_MAX)
* First, the server side XDR functions
*/
int
-nlmsvc_decode_testargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_testargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
{
u32 exclusive;
}
int
-nlmsvc_encode_testres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_testres(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_encode_testres(p, resp)))
return 0;
}
int
-nlmsvc_decode_lockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
{
u32 exclusive;
}
int
-nlmsvc_decode_cancargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
{
u32 exclusive;
}
int
-nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
{
if (!(p = nlm_decode_cookie(p, &argp->cookie))
|| !(p = nlm_decode_lock(p, &argp->lock)))
}
int
-nlmsvc_decode_shareargs(struct svc_rqst *rqstp, u32 *p, nlm_args *argp)
+nlmsvc_decode_shareargs(struct svc_rqst *rqstp, __be32 *p, nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
memset(lock, 0, sizeof(*lock));
locks_init_lock(&lock->fl);
- lock->fl.fl_pid = ~(u32) 0;
+ lock->svid = ~(u32) 0;
+ lock->fl.fl_pid = (pid_t)lock->svid;
if (!(p = nlm_decode_cookie(p, &argp->cookie))
|| !(p = xdr_decode_string_inplace(p, &lock->caller,
}
int
-nlmsvc_encode_shareres(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_shareres(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_encode_cookie(p, &resp->cookie)))
return 0;
}
int
-nlmsvc_encode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_encode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_encode_cookie(p, &resp->cookie)))
return 0;
}
int
-nlmsvc_decode_notify(struct svc_rqst *rqstp, u32 *p, struct nlm_args *argp)
+nlmsvc_decode_notify(struct svc_rqst *rqstp, __be32 *p, struct nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
}
int
-nlmsvc_decode_reboot(struct svc_rqst *rqstp, u32 *p, struct nlm_reboot *argp)
+nlmsvc_decode_reboot(struct svc_rqst *rqstp, __be32 *p, struct nlm_reboot *argp)
{
if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN)))
return 0;
}
int
-nlmsvc_decode_res(struct svc_rqst *rqstp, u32 *p, struct nlm_res *resp)
+nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_decode_cookie(p, &resp->cookie)))
return 0;
- resp->status = ntohl(*p++);
+ resp->status = *p++;
return xdr_argsize_check(rqstp, p);
}
int
-nlmsvc_decode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nlmsvc_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
return xdr_argsize_check(rqstp, p);
}
int
-nlmsvc_encode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nlmsvc_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
return xdr_ressize_check(rqstp, p);
}
#endif
static int
-nlmclt_encode_testargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
+nlmclt_encode_testargs(struct rpc_rqst *req, __be32 *p, nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
}
static int
-nlmclt_decode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
+nlmclt_decode_testres(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_decode_cookie(p, &resp->cookie)))
return -EIO;
- resp->status = ntohl(*p++);
- if (resp->status == NLM_LCK_DENIED) {
+ resp->status = *p++;
+ if (resp->status == nlm_lck_denied) {
struct file_lock *fl = &resp->lock.fl;
u32 excl;
s32 start, len, end;
memset(&resp->lock, 0, sizeof(resp->lock));
locks_init_lock(fl);
excl = ntohl(*p++);
- fl->fl_pid = ntohl(*p++);
+ resp->lock.svid = ntohl(*p++);
+ fl->fl_pid = (pid_t)resp->lock.svid;
if (!(p = nlm_decode_oh(p, &resp->lock.oh)))
return -EIO;
static int
-nlmclt_encode_lockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
+nlmclt_encode_lockargs(struct rpc_rqst *req, __be32 *p, nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
}
static int
-nlmclt_encode_cancargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
+nlmclt_encode_cancargs(struct rpc_rqst *req, __be32 *p, nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
}
static int
-nlmclt_encode_unlockargs(struct rpc_rqst *req, u32 *p, nlm_args *argp)
+nlmclt_encode_unlockargs(struct rpc_rqst *req, __be32 *p, nlm_args *argp)
{
struct nlm_lock *lock = &argp->lock;
}
static int
-nlmclt_encode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
+nlmclt_encode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_encode_cookie(p, &resp->cookie)))
return -EIO;
}
static int
-nlmclt_encode_testres(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
+nlmclt_encode_testres(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_encode_testres(p, resp)))
return -EIO;
}
static int
-nlmclt_decode_res(struct rpc_rqst *req, u32 *p, struct nlm_res *resp)
+nlmclt_decode_res(struct rpc_rqst *req, __be32 *p, struct nlm_res *resp)
{
if (!(p = nlm_decode_cookie(p, &resp->cookie)))
return -EIO;
- resp->status = ntohl(*p++);
+ resp->status = *p++;
return 0;
}
* Buffer requirements for NLM
*/
#define NLM_void_sz 0
-#define NLM_cookie_sz 3 /* 1 len , 2 data */
-#define NLM_caller_sz 1+QUADLEN(sizeof(system_utsname.nodename))
-#define NLM_netobj_sz 1+QUADLEN(XDR_MAX_NETOBJ)
-/* #define NLM_owner_sz 1+QUADLEN(NLM_MAXOWNER) */
-#define NLM_fhandle_sz 1+QUADLEN(NFS2_FHSIZE)
+#define NLM_cookie_sz 1+XDR_QUADLEN(NLM_MAXCOOKIELEN)
+#define NLM_caller_sz 1+XDR_QUADLEN(sizeof(utsname()->nodename))
+#define NLM_netobj_sz 1+XDR_QUADLEN(XDR_MAX_NETOBJ)
+/* #define NLM_owner_sz 1+XDR_QUADLEN(NLM_MAXOWNER) */
+#define NLM_fhandle_sz 1+XDR_QUADLEN(NFS2_FHSIZE)
#define NLM_lock_sz 3+NLM_caller_sz+NLM_netobj_sz+NLM_fhandle_sz
#define NLM_holder_sz 4+NLM_netobj_sz
.p_proc = NLMPROC_##proc, \
.p_encode = (kxdrproc_t) nlmclt_encode_##argtype, \
.p_decode = (kxdrproc_t) nlmclt_decode_##restype, \
- .p_bufsiz = MAX(NLM_##argtype##_sz, NLM_##restype##_sz) << 2 \
+ .p_bufsiz = MAX(NLM_##argtype##_sz, NLM_##restype##_sz) << 2, \
+ .p_statidx = NLMPROC_##proc, \
+ .p_name = #proc, \
}
static struct rpc_procinfo nlm_procedures[] = {
struct rpc_program nlm_program = {
.name = "lockd",
.number = NLM_PROGRAM,
- .nrvers = sizeof(nlm_versions) / sizeof(nlm_versions[0]),
+ .nrvers = ARRAY_SIZE(nlm_versions),
.version = nlm_versions,
.stats = &nlm_stats,
};
+#ifdef RPC_DEBUG
+const char *nlmdbg_cookie2a(const struct nlm_cookie *cookie)
+{
+ /*
+ * We can get away with a static buffer because we're only
+ * called with BKL held.
+ */
+ static char buf[2*NLM_MAXCOOKIELEN+1];
+ int i;
+ int len = sizeof(buf);
+ char *p = buf;
+
+ len--; /* allow for trailing \0 */
+ if (len < 3)
+ return "???";
+ for (i = 0 ; i < cookie->len ; i++) {
+ if (len < 2) {
+ strcpy(p-3, "...");
+ break;
+ }
+ sprintf(p, "%02x", cookie->data[i]);
+ p += 2;
+ len -= 2;
+ }
+ *p = '\0';
+
+ return buf;
+}
+#endif
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