#ifndef __KERNEL__
#include <liblustre.h>
#endif
+#include <linux/obd_class.h>
#include <linux/obd_support.h>
#include <linux/lustre_net.h>
#include <linux/lustre_lib.h>
#include <linux/obd.h>
+#include <linux/lustre_sec.h>
#include "ptlrpc_internal.h"
static int ptl_send_buf (ptl_handle_md_t *mdh, void *base, int len,
int rc;
/* We must already have a reply buffer (only ptlrpc_error() may be
- * called without one). We must also have a request buffer which
+ * called without one). We usually also have a request buffer which
* is either the actual (swabbed) incoming request, or a saved copy
- * if this is a req saved in target_queue_final_reply(). */
- LASSERT (req->rq_reqmsg != NULL);
+ * if this is a req saved in target_queue_final_reply(). but this
+ * will not be true since some security handling may skip the reqmsg
+ * setting and prepare reply under normal ptlrpc layer */
LASSERT (rs != NULL);
LASSERT (req->rq_repmsg != NULL);
LASSERT (may_be_difficult || !rs->rs_difficult);
- LASSERT (req->rq_repmsg == &rs->rs_msg);
+ LASSERT (req->rq_repmsg == rs->rs_msg);
LASSERT (rs->rs_cb_id.cbid_fn == reply_out_callback);
LASSERT (rs->rs_cb_id.cbid_arg == rs);
req->rq_repmsg->type = req->rq_type;
req->rq_repmsg->status = req->rq_status;
- req->rq_repmsg->opc = req->rq_reqmsg->opc;
+ req->rq_repmsg->opc = req->rq_reqmsg ? req->rq_reqmsg->opc : 0;
if (req->rq_export == NULL)
conn = ptlrpc_get_connection(&req->rq_peer, NULL);
atomic_inc (&svc->srv_outstanding_replies);
- rc = ptl_send_buf (&rs->rs_md_h, req->rq_repmsg, req->rq_replen,
+ rc = svcsec_authorize(req);
+ if (rc) {
+ CERROR("Error wrap reply message "LPX64"\n", req->rq_xid);
+ goto out;
+ }
+
+ rc = ptl_send_buf (&rs->rs_md_h, rs->rs_repbuf, rs->rs_repdata_len,
rs->rs_difficult ? PTL_ACK_REQ : PTL_NOACK_REQ,
&rs->rs_cb_id, conn,
svc->srv_rep_portal, req->rq_xid);
+out:
if (rc != 0) {
atomic_dec (&svc->srv_outstanding_replies);
request->rq_reqmsg->handle = request->rq_import->imp_remote_handle;
request->rq_reqmsg->type = PTL_RPC_MSG_REQUEST;
request->rq_reqmsg->conn_cnt = request->rq_import->imp_conn_cnt;
-
+
+ /* wrap_request might need to refresh gss cred, if this is called
+ * in ptlrpcd then the whole daemon thread will be waiting on
+ * gss negotiate rpc. FIXME
+ */
+ rc = ptlrpcs_cli_wrap_request(request);
+ if (rc)
+ GOTO(cleanup_bulk, rc);
+
LASSERT (request->rq_replen != 0);
- if (request->rq_repmsg == NULL)
- OBD_ALLOC(request->rq_repmsg, request->rq_replen);
- if (request->rq_repmsg == NULL)
- GOTO(cleanup_bulk, rc = -ENOMEM);
+ if (request->rq_repbuf == NULL) {
+ rc = ptlrpcs_cli_alloc_repbuf(request, request->rq_replen);
+ if (rc)
+ GOTO(cleanup_bulk, rc);
+ }
rc = PtlMEAttach(connection->c_peer.peer_ni->pni_ni_h,
request->rq_reply_portal, /* XXX FIXME bug 249 */
request->rq_timedout = 0;
request->rq_net_err = 0;
request->rq_resend = 0;
+ request->rq_ptlrpcs_restart = 0;
request->rq_restart = 0;
spin_unlock_irqrestore (&request->rq_lock, flags);
- reply_md.start = request->rq_repmsg;
- reply_md.length = request->rq_replen;
+ reply_md.start = request->rq_repbuf;
+ reply_md.length = request->rq_repbuf_len;
reply_md.threshold = 1;
reply_md.options = PTLRPC_MD_OPTIONS | PTL_MD_OP_PUT;
reply_md.user_ptr = &request->rq_reply_cbid;
request->rq_sent = LTIME_S(CURRENT_TIME);
ptlrpc_pinger_sending_on_import(request->rq_import);
rc = ptl_send_buf(&request->rq_req_md_h,
- request->rq_reqmsg, request->rq_reqlen,
+ request->rq_reqbuf, request->rq_reqdata_len,
PTL_NOACK_REQ, &request->rq_req_cbid,
connection,
request->rq_request_portal,
LASSERT (!request->rq_receiving_reply);
cleanup_repmsg:
- OBD_FREE(request->rq_repmsg, request->rq_replen);
- request->rq_repmsg = NULL;
+ ptlrpcs_cli_free_repbuf(request);
cleanup_bulk:
if (request->rq_bulk != NULL)
return (-ENOMEM);
}
+
+static int rawrpc_timedout(void *data)
+{
+ struct ptlrpc_request *req = (struct ptlrpc_request *) data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&req->rq_lock, flags);
+ if (!req->rq_replied)
+ req->rq_timedout = 1;
+ spin_unlock_irqrestore(&req->rq_lock, flags);
+
+ return 1;
+}
+
+/* to make things as simple as possible */
+static int rawrpc_check_reply(struct ptlrpc_request *req)
+{
+ unsigned long flags;
+ int rc;
+
+ spin_lock_irqsave (&req->rq_lock, flags);
+ rc = req->rq_replied || req->rq_net_err || req->rq_err ||
+ req->rq_resend || req->rq_restart;
+ spin_unlock_irqrestore(&req->rq_lock, flags);
+ return rc;
+}
+
+/*
+ * Construct a fake ptlrpc_request to do the work, in order to
+ * user the existing callback/wakeup facilities
+ */
+int ptlrpc_do_rawrpc(struct obd_import *imp,
+ char *reqbuf, int reqlen,
+ char *repbuf, int *replenp,
+ int timeout)
+{
+ struct ptlrpc_connection *conn;
+ struct ptlrpc_request request; /* just a fake one */
+ ptl_handle_me_t reply_me_h;
+ ptl_md_t reply_md, req_md;
+ struct l_wait_info lwi;
+ unsigned long irq_flags;
+ int rc;
+ ENTRY;
+
+ LASSERT(imp);
+ class_import_get(imp);
+ if (imp->imp_state == LUSTRE_IMP_CLOSED) {
+ CWARN("raw rpc on closed imp(=>%s)? send anyway\n",
+ imp->imp_target_uuid.uuid);
+ }
+
+ conn = imp->imp_connection;
+
+ /* initialize request */
+ memset(&request, 0, sizeof(request));
+ request.rq_req_cbid.cbid_fn = request_out_callback;
+ request.rq_req_cbid.cbid_arg = &request;
+ request.rq_reply_cbid.cbid_fn = reply_in_callback;
+ request.rq_reply_cbid.cbid_arg = &request;
+ request.rq_reqbuf = reqbuf;
+ request.rq_reqbuf_len = reqlen;
+ request.rq_repbuf = repbuf;
+ request.rq_repbuf_len = *replenp;
+ request.rq_set = NULL;
+ spin_lock_init(&request.rq_lock);
+ init_waitqueue_head(&request.rq_reply_waitq);
+ atomic_set(&request.rq_refcount, 1000000); /* never be droped */
+ request.rq_xid = ptlrpc_next_xid();
+
+ /* add into sending list */
+ spin_lock_irqsave(&imp->imp_lock, irq_flags);
+ list_add_tail(&request.rq_list, &imp->imp_rawrpc_list);
+ spin_unlock_irqrestore(&imp->imp_lock, irq_flags);
+
+ /* prepare reply buffer */
+ rc = PtlMEAttach(conn->c_peer.peer_ni->pni_ni_h,
+ imp->imp_client->cli_reply_portal,
+ conn->c_peer.peer_id, request.rq_xid, 0, PTL_UNLINK,
+ PTL_INS_AFTER, &reply_me_h);
+ if (rc != PTL_OK) {
+ CERROR("PtlMEAttach failed: %d\n", rc);
+ LASSERT (rc == PTL_NO_SPACE);
+ GOTO(cleanup_imp, rc = -ENOMEM);
+ }
+
+ spin_lock_irqsave(&request.rq_lock, irq_flags);
+ request.rq_receiving_reply = 1;
+ spin_unlock_irqrestore(&request.rq_lock, irq_flags);
+
+ reply_md.start = repbuf;
+ reply_md.length = *replenp;
+ reply_md.threshold = 1;
+ reply_md.options = PTLRPC_MD_OPTIONS | PTL_MD_OP_PUT;
+ reply_md.user_ptr = &request.rq_reply_cbid;
+ reply_md.eq_handle = conn->c_peer.peer_ni->pni_eq_h;
+
+ rc = PtlMDAttach(reply_me_h, reply_md, PTL_UNLINK,
+ &request.rq_reply_md_h);
+ if (rc != PTL_OK) {
+ CERROR("PtlMDAttach failed: %d\n", rc);
+ LASSERT (rc == PTL_NO_SPACE);
+ GOTO(cleanup_me, rc = -ENOMEM);
+ }
+
+ /* prepare request buffer */
+ req_md.start = reqbuf;
+ req_md.length = reqlen;
+ req_md.threshold = 1;
+ req_md.options = PTLRPC_MD_OPTIONS;
+ req_md.user_ptr = &request.rq_req_cbid;
+ req_md.eq_handle = conn->c_peer.peer_ni->pni_eq_h;
+
+ rc = PtlMDBind(conn->c_peer.peer_ni->pni_ni_h,
+ req_md, PTL_UNLINK, &request.rq_req_md_h);
+ if (rc != PTL_OK) {
+ CERROR("PtlMDBind failed %d\n", rc);
+ LASSERT (rc == PTL_NO_SPACE);
+ GOTO(cleanup_me, rc = -ENOMEM);
+ }
+
+ rc = PtlPut(request.rq_req_md_h, PTL_NOACK_REQ, conn->c_peer.peer_id,
+ imp->imp_client->cli_request_portal,
+ 0, request.rq_xid, 0, 0);
+ if (rc != PTL_OK) {
+ CERROR("PtlPut failed %d\n", rc);
+ GOTO(cleanup_md, rc);
+ }
+
+ lwi = LWI_TIMEOUT(timeout * HZ, rawrpc_timedout, &request);
+ l_wait_event(request.rq_reply_waitq,
+ rawrpc_check_reply(&request), &lwi);
+
+ ptlrpc_unregister_reply(&request);
+
+ if (request.rq_err || request.rq_resend || request.rq_intr ||
+ request.rq_timedout || !request.rq_replied) {
+ CERROR("secinit rpc error: err %d, resend %d, "
+ "intr %d, timeout %d, replied %d\n",
+ request.rq_err, request.rq_resend, request.rq_intr,
+ request.rq_timedout, request.rq_replied);
+ rc = -EINVAL;
+ } else {
+ *replenp = request.rq_nob_received;
+ rc = 0;
+ }
+ GOTO(cleanup_imp, rc);
+
+cleanup_md:
+ PtlMDUnlink(request.rq_req_md_h);
+cleanup_me:
+ PtlMEUnlink(reply_me_h);
+cleanup_imp:
+ spin_lock_irqsave(&imp->imp_lock, irq_flags);
+ list_del_init(&request.rq_list);
+ spin_unlock_irqrestore(&imp->imp_lock, irq_flags);
+
+ class_import_put(imp);
+ RETURN(rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff