^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * linux/fs/lockd/svcproc.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Lockd server procedures. We don't implement the NLM_*_RES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * procedures because we don't use the async procedures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/lockd/lockd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/lockd/share.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/sunrpc/svc_xprt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define NLMDBG_FACILITY NLMDBG_CLIENT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #ifdef CONFIG_LOCKD_V4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) cast_to_nlm(__be32 status, u32 vers)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* Note: status is assumed to be in network byte order !!! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) if (vers != 4){
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) case nlm_granted:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) case nlm_lck_denied:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) case nlm_lck_denied_nolocks:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) case nlm_lck_blocked:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) case nlm_lck_denied_grace_period:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) case nlm_drop_reply:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) case nlm4_deadlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) status = nlm_lck_denied;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) status = nlm_lck_denied_nolocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define cast_status(status) (status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * Obtain client and file from arguments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct nlm_host **hostp, struct nlm_file **filp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct nlm_host *host = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct nlm_file *file = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct nlm_lock *lock = &argp->lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) __be32 error = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* nfsd callbacks must have been installed for this procedure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (!nlmsvc_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) return nlm_lck_denied_nolocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* Obtain host handle */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) || (argp->monitor && nsm_monitor(host) < 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) goto no_locks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) *hostp = host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* Obtain file pointer. Not used by FREE_ALL call. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (filp != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) error = cast_status(nlm_lookup_file(rqstp, &file, &lock->fh));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) if (error != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) goto no_locks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) *filp = file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* Set up the missing parts of the file_lock structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) lock->fl.fl_file = file->f_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) lock->fl.fl_pid = current->tgid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) lock->fl.fl_lmops = &nlmsvc_lock_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) nlmsvc_locks_init_private(&lock->fl, host, (pid_t)lock->svid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (!lock->fl.fl_owner) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* lockowner allocation has failed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return nlm_lck_denied_nolocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) no_locks:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return nlm_lck_denied_nolocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * NULL: Test for presence of service
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) nlmsvc_proc_null(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) dprintk("lockd: NULL called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * TEST: Check for conflicting lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) __nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_res *resp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) __be32 rc = rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) dprintk("lockd: TEST called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* Now check for conflicting locks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (resp->status == nlm_drop_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) rc = rpc_drop_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) dprintk("lockd: TEST status %d vers %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ntohl(resp->status), rqstp->rq_vers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) nlmsvc_proc_test(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return __nlmsvc_proc_test(rqstp, rqstp->rq_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) __nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_res *resp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) __be32 rc = rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) dprintk("lockd: LOCK called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) /* If supplied state doesn't match current state, we assume it's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * an old request that time-warped somehow. Any error return would
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * do in this case because it's irrelevant anyway.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * NB: We don't retrieve the remote host's state yet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (host->h_nsmstate && host->h_nsmstate != argp->state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) resp->status = nlm_lck_denied_nolocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /* Now try to lock the file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) argp->block, &argp->cookie,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) argp->reclaim));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (resp->status == nlm_drop_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) rc = rpc_drop_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) nlmsvc_proc_lock(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return __nlmsvc_proc_lock(rqstp, rqstp->rq_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) __nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_res *resp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct net *net = SVC_NET(rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) dprintk("lockd: CANCEL called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* Don't accept requests during grace period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (locks_in_grace(net)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) resp->status = nlm_lck_denied_grace_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /* Try to cancel request. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) resp->status = cast_status(nlmsvc_cancel_blocked(net, file, &argp->lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) dprintk("lockd: CANCEL status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) nlmsvc_proc_cancel(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return __nlmsvc_proc_cancel(rqstp, rqstp->rq_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) * UNLOCK: release a lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) __nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_res *resp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct net *net = SVC_NET(rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) dprintk("lockd: UNLOCK called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) /* Don't accept new lock requests during grace period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (locks_in_grace(net)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) resp->status = nlm_lck_denied_grace_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) /* Now try to remove the lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) resp->status = cast_status(nlmsvc_unlock(net, file, &argp->lock));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) nlmsvc_proc_unlock(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return __nlmsvc_proc_unlock(rqstp, rqstp->rq_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * GRANTED: A server calls us to tell that a process' lock request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * was granted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) __nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_res *resp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) dprintk("lockd: GRANTED called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) nlmsvc_proc_granted(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) return __nlmsvc_proc_granted(rqstp, rqstp->rq_resp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) * This is the generic lockd callback for async RPC calls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) -task->tk_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) void nlmsvc_release_call(struct nlm_rqst *call)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (!refcount_dec_and_test(&call->a_count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) nlmsvc_release_host(call->a_host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) kfree(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static void nlmsvc_callback_release(void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) nlmsvc_release_call(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) static const struct rpc_call_ops nlmsvc_callback_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) .rpc_call_done = nlmsvc_callback_exit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) .rpc_release = nlmsvc_callback_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * `Async' versions of the above service routines. They aren't really,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) * because we send the callback before the reply proper. I hope this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * doesn't break any clients.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static __be32 nlmsvc_callback(struct svc_rqst *rqstp, u32 proc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) __be32 (*func)(struct svc_rqst *, struct nlm_res *))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct nlm_rqst *call;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) __be32 stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) host = nlmsvc_lookup_host(rqstp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) argp->lock.caller,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) argp->lock.len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (host == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return rpc_system_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) call = nlm_alloc_call(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (call == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) return rpc_system_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) stat = func(rqstp, &call->a_res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (stat != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) nlmsvc_release_call(call);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) call->a_flags = RPC_TASK_ASYNC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) return rpc_system_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) static __be32 nlmsvc_proc_test_msg(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) dprintk("lockd: TEST_MSG called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, __nlmsvc_proc_test);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) static __be32 nlmsvc_proc_lock_msg(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) dprintk("lockd: LOCK_MSG called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, __nlmsvc_proc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) static __be32 nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) dprintk("lockd: CANCEL_MSG called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, __nlmsvc_proc_cancel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) dprintk("lockd: UNLOCK_MSG called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, __nlmsvc_proc_unlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) nlmsvc_proc_granted_msg(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) dprintk("lockd: GRANTED_MSG called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, __nlmsvc_proc_granted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) * SHARE: create a DOS share or alter existing share.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) nlmsvc_proc_share(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) struct nlm_res *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) dprintk("lockd: SHARE called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) /* Don't accept new lock requests during grace period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) if (locks_in_grace(SVC_NET(rqstp)) && !argp->reclaim) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) resp->status = nlm_lck_denied_grace_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /* Now try to create the share */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) resp->status = cast_status(nlmsvc_share_file(host, file, argp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) dprintk("lockd: SHARE status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * UNSHARE: Release a DOS share.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) nlmsvc_proc_unshare(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) struct nlm_res *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) struct nlm_file *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) dprintk("lockd: UNSHARE called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) resp->cookie = argp->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* Don't accept requests during grace period */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) if (locks_in_grace(SVC_NET(rqstp))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) resp->status = nlm_lck_denied_grace_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) /* Obtain client and file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) /* Now try to unshare the file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) resp->status = cast_status(nlmsvc_unshare_file(host, file, argp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) nlmsvc_release_lockowner(&argp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) nlm_release_file(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) * NM_LOCK: Create an unmonitored lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) nlmsvc_proc_nm_lock(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) dprintk("lockd: NM_LOCK called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) argp->monitor = 0; /* just clean the monitor flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return nlmsvc_proc_lock(rqstp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * FREE_ALL: Release all locks and shares held by client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) nlmsvc_proc_free_all(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) struct nlm_args *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) struct nlm_host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /* Obtain client */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) nlmsvc_free_host_resources(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) nlmsvc_release_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * SM_NOTIFY: private callback from statd (not part of official NLM proto)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) nlmsvc_proc_sm_notify(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) struct nlm_reboot *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) dprintk("lockd: SM_NOTIFY called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (!nlm_privileged_requester(rqstp)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) char buf[RPC_MAX_ADDRBUFLEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) svc_print_addr(rqstp, buf, sizeof(buf)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) return rpc_system_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) nlm_host_rebooted(SVC_NET(rqstp), argp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) * client sent a GRANTED_RES, let's remove the associated block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) nlmsvc_proc_granted_res(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) struct nlm_res *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (!nlmsvc_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) dprintk("lockd: GRANTED_RES called\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) nlmsvc_grant_reply(&argp->cookie, argp->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) nlmsvc_proc_unused(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) return rpc_proc_unavail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) * NLM Server procedures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) struct nlm_void { int dummy; };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) #define St 1 /* status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) #define No (1+1024/4) /* Net Obj */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) #define Rg 2 /* range - offset + size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) const struct svc_procedure nlmsvc_procedures[24] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) [NLMPROC_NULL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) .pc_func = nlmsvc_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) .pc_argsize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) [NLMPROC_TEST] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) .pc_func = nlmsvc_proc_test,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) .pc_decode = nlmsvc_decode_testargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) .pc_encode = nlmsvc_encode_testres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) .pc_xdrressize = Ck+St+2+No+Rg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) [NLMPROC_LOCK] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) .pc_func = nlmsvc_proc_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) .pc_decode = nlmsvc_decode_lockargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) .pc_encode = nlmsvc_encode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) .pc_xdrressize = Ck+St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) [NLMPROC_CANCEL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) .pc_func = nlmsvc_proc_cancel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) .pc_decode = nlmsvc_decode_cancargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) .pc_encode = nlmsvc_encode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) .pc_xdrressize = Ck+St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) [NLMPROC_UNLOCK] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) .pc_func = nlmsvc_proc_unlock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) .pc_decode = nlmsvc_decode_unlockargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) .pc_encode = nlmsvc_encode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) .pc_xdrressize = Ck+St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) [NLMPROC_GRANTED] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) .pc_func = nlmsvc_proc_granted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) .pc_decode = nlmsvc_decode_testargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) .pc_encode = nlmsvc_encode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) .pc_xdrressize = Ck+St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) [NLMPROC_TEST_MSG] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) .pc_func = nlmsvc_proc_test_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) .pc_decode = nlmsvc_decode_testargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) [NLMPROC_LOCK_MSG] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) .pc_func = nlmsvc_proc_lock_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) .pc_decode = nlmsvc_decode_lockargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) [NLMPROC_CANCEL_MSG] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) .pc_func = nlmsvc_proc_cancel_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) .pc_decode = nlmsvc_decode_cancargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) [NLMPROC_UNLOCK_MSG] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) .pc_func = nlmsvc_proc_unlock_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) .pc_decode = nlmsvc_decode_unlockargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) [NLMPROC_GRANTED_MSG] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) .pc_func = nlmsvc_proc_granted_msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) .pc_decode = nlmsvc_decode_testargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) [NLMPROC_TEST_RES] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) .pc_func = nlmsvc_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) .pc_argsize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) [NLMPROC_LOCK_RES] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) .pc_func = nlmsvc_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) .pc_argsize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) [NLMPROC_CANCEL_RES] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) .pc_func = nlmsvc_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) .pc_argsize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) [NLMPROC_UNLOCK_RES] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) .pc_func = nlmsvc_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) .pc_argsize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) [NLMPROC_GRANTED_RES] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) .pc_func = nlmsvc_proc_granted_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) .pc_decode = nlmsvc_decode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) .pc_argsize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) [NLMPROC_NSM_NOTIFY] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) .pc_func = nlmsvc_proc_sm_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) .pc_decode = nlmsvc_decode_reboot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) .pc_argsize = sizeof(struct nlm_reboot),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) [17] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) .pc_func = nlmsvc_proc_unused,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) .pc_argsize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) [18] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) .pc_func = nlmsvc_proc_unused,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) .pc_argsize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) [19] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) .pc_func = nlmsvc_proc_unused,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) .pc_decode = nlmsvc_decode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) .pc_argsize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) .pc_xdrressize = St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) [NLMPROC_SHARE] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) .pc_func = nlmsvc_proc_share,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) .pc_decode = nlmsvc_decode_shareargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) .pc_encode = nlmsvc_encode_shareres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) .pc_xdrressize = Ck+St+1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) [NLMPROC_UNSHARE] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) .pc_func = nlmsvc_proc_unshare,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) .pc_decode = nlmsvc_decode_shareargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) .pc_encode = nlmsvc_encode_shareres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) .pc_xdrressize = Ck+St+1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) [NLMPROC_NM_LOCK] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) .pc_func = nlmsvc_proc_nm_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) .pc_decode = nlmsvc_decode_lockargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) .pc_encode = nlmsvc_encode_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) .pc_ressize = sizeof(struct nlm_res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) .pc_xdrressize = Ck+St,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) [NLMPROC_FREE_ALL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) .pc_func = nlmsvc_proc_free_all,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) .pc_decode = nlmsvc_decode_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) .pc_encode = nlmsvc_encode_void,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .pc_argsize = sizeof(struct nlm_args),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .pc_ressize = sizeof(struct nlm_void),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .pc_xdrressize = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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