*
*/
-#define EXPORT_SYMTAB
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-
#define DEBUG_SUBSYSTEM S_RPC
-#include <linux/obd_support.h>
-#include <linux/obd_class.h>
+#include <linux/module.h>
#include <linux/lustre_net.h>
-ptl_handle_eq_t sent_pkt_eq, rcvd_rep_eq, bulk_source_eq, bulk_sink_eq;
+ptl_handle_eq_t request_out_eq, reply_in_eq, reply_out_eq, bulk_source_eq,
+ bulk_sink_eq;
static const ptl_handle_ni_t *socknal_nip = NULL, *qswnal_nip = NULL;
/*
* Free the packet when it has gone out
*/
-static int sent_packet_callback(ptl_event_t *ev, void *data)
+static int request_out_callback(ptl_event_t *ev)
+{
+ ENTRY;
+
+ if (ev->type != PTL_EVENT_SENT) {
+ // XXX make sure we understand all events, including ACK's
+ CERROR("Unknown event %d\n", ev->type);
+ LBUG();
+ }
+
+ RETURN(1);
+}
+
+
+/*
+ * Free the packet when it has gone out
+ */
+static int reply_out_callback(ptl_event_t *ev)
{
ENTRY;
if (ev->type == PTL_EVENT_SENT) {
OBD_FREE(ev->mem_desc.start, ev->mem_desc.length);
- } else {
+ } else {
// XXX make sure we understand all events, including ACK's
- CERROR("Unknown event %d\n", ev->type);
+ CERROR("Unknown event %d\n", ev->type);
LBUG();
}
/*
* Wake up the thread waiting for the reply once it comes in.
*/
-static int rcvd_reply_callback(ptl_event_t *ev, void *data)
+static int reply_in_callback(ptl_event_t *ev)
{
- struct ptlrpc_request *rpc = ev->mem_desc.user_ptr;
+ struct ptlrpc_request *req = ev->mem_desc.user_ptr;
ENTRY;
+ if (req->rq_xid == 0x5a5a5a5a) {
+ CERROR("Reply received for freed request! Probably a missing "
+ "ptlrpc_abort()\n");
+ LBUG();
+ }
+
+ if (req->rq_xid != ev->match_bits) {
+ CERROR("Reply packet for wrong request\n");
+ LBUG();
+ }
+
if (ev->type == PTL_EVENT_PUT) {
- rpc->rq_repbuf = ev->mem_desc.start + ev->offset;
+ req->rq_repmsg = ev->mem_desc.start + ev->offset;
barrier();
- wake_up_interruptible(&rpc->rq_wait_for_rep);
- } else {
+ wake_up_interruptible(&req->rq_wait_for_rep);
+ } else {
// XXX make sure we understand all events, including ACK's
- CERROR("Unknown event %d\n", ev->type);
+ CERROR("Unknown event %d\n", ev->type);
LBUG();
}
RETURN(1);
}
-int server_request_callback(ptl_event_t *ev, void *data)
+int request_in_callback(ptl_event_t *ev)
{
- struct ptlrpc_service *service = data;
- int index;
+ struct ptlrpc_service *service = ev->mem_desc.user_ptr;
if (ev->rlength != ev->mlength)
CERROR("Warning: Possibly truncated rpc (%d/%d)\n",
ev->mlength, ev->rlength);
- spin_lock(&service->srv_lock);
- for (index = 0; index < service->srv_ring_length; index++)
- if ( service->srv_buf[index] == ev->mem_desc.start)
- break;
-
- if (index == service->srv_ring_length)
- LBUG();
-
- service->srv_ref_count[index]++;
-
- if (ev->unlinked_me != -1) {
- int idx;
-
- for (idx = 0; idx < service->srv_ring_length; idx++)
- if (service->srv_me_h[idx] == ev->unlinked_me)
- break;
- if (idx == service->srv_ring_length)
- LBUG();
-
- CDEBUG(D_NET, "unlinked %d\n", idx);
- service->srv_me_h[idx] = 0;
-
- if (service->srv_ref_count[idx] == 0)
- ptlrpc_link_svc_me(service, idx);
- }
-
- spin_unlock(&service->srv_lock);
if (ev->type == PTL_EVENT_PUT)
wake_up(&service->srv_waitq);
else
return 0;
}
-static int bulk_source_callback(ptl_event_t *ev, void *data)
+static int bulk_source_callback(ptl_event_t *ev)
{
- struct ptlrpc_bulk_desc *bulk = ev->mem_desc.user_ptr;
-
+ struct ptlrpc_bulk_page *bulk = ev->mem_desc.user_ptr;
+ struct ptlrpc_bulk_desc *desc = bulk->b_desc;
ENTRY;
if (ev->type == PTL_EVENT_SENT) {
CDEBUG(D_NET, "got SENT event\n");
} else if (ev->type == PTL_EVENT_ACK) {
CDEBUG(D_NET, "got ACK event\n");
- bulk->b_flags = PTL_BULK_SENT;
- wake_up_interruptible(&bulk->b_waitq);
+ if (bulk->b_cb != NULL)
+ bulk->b_cb(bulk);
+ if (atomic_dec_and_test(&desc->b_pages_remaining)) {
+ desc->b_flags |= PTL_BULK_FL_SENT;
+ wake_up_interruptible(&desc->b_waitq);
+ if (desc->b_cb != NULL)
+ desc->b_cb(desc, desc->b_cb_data);
+ }
} else {
CERROR("Unexpected event type!\n");
LBUG();
}
- EXIT;
- return 1;
+ RETURN(1);
}
-static int bulk_sink_callback(ptl_event_t *ev, void *data)
+static int bulk_sink_callback(ptl_event_t *ev)
{
- struct ptlrpc_bulk_desc *bulk = ev->mem_desc.user_ptr;
-
+ struct ptlrpc_bulk_page *bulk = ev->mem_desc.user_ptr;
+ struct ptlrpc_bulk_desc *desc = bulk->b_desc;
ENTRY;
if (ev->type == PTL_EVENT_PUT) {
if (bulk->b_buf != ev->mem_desc.start + ev->offset)
CERROR("bulkbuf != mem_desc -- why?\n");
- bulk->b_flags = PTL_BULK_RCVD;
if (bulk->b_cb != NULL)
- bulk->b_cb(bulk, data);
- wake_up_interruptible(&bulk->b_waitq);
+ bulk->b_cb(bulk);
+ if (atomic_dec_and_test(&desc->b_pages_remaining)) {
+ desc->b_flags |= PTL_BULK_FL_RCVD;
+ wake_up_interruptible(&desc->b_waitq);
+ if (desc->b_cb != NULL)
+ desc->b_cb(desc, desc->b_cb_data);
+ }
} else {
CERROR("Unexpected event type!\n");
LBUG();
}
- /* FIXME: This should happen unconditionally */
- if (bulk->b_cb != NULL)
- OBD_FREE(bulk, sizeof(*bulk));
-
- EXIT;
- return 1;
+ RETURN(1);
}
int ptlrpc_init_portals(void)
else
ni = *socknal_nip;
- rc = PtlEQAlloc(ni, 128, sent_packet_callback, NULL, &sent_pkt_eq);
+ rc = PtlEQAlloc(ni, 128, request_out_callback, &request_out_eq);
+ if (rc != PTL_OK)
+ CERROR("PtlEQAlloc failed: %d\n", rc);
+
+ rc = PtlEQAlloc(ni, 128, reply_out_callback, &reply_out_eq);
if (rc != PTL_OK)
CERROR("PtlEQAlloc failed: %d\n", rc);
- rc = PtlEQAlloc(ni, 128, rcvd_reply_callback, NULL, &rcvd_rep_eq);
+ rc = PtlEQAlloc(ni, 128, reply_in_callback, &reply_in_eq);
if (rc != PTL_OK)
CERROR("PtlEQAlloc failed: %d\n", rc);
- rc = PtlEQAlloc(ni, 128, bulk_source_callback, NULL, &bulk_source_eq);
+ rc = PtlEQAlloc(ni, 128, bulk_source_callback, &bulk_source_eq);
if (rc != PTL_OK)
CERROR("PtlEQAlloc failed: %d\n", rc);
- rc = PtlEQAlloc(ni, 128, bulk_sink_callback, NULL, &bulk_sink_eq);
+ rc = PtlEQAlloc(ni, 128, bulk_sink_callback, &bulk_sink_eq);
if (rc != PTL_OK)
CERROR("PtlEQAlloc failed: %d\n", rc);
void ptlrpc_exit_portals(void)
{
- PtlEQFree(sent_pkt_eq);
- PtlEQFree(rcvd_rep_eq);
+ PtlEQFree(request_out_eq);
+ PtlEQFree(reply_out_eq);
+ PtlEQFree(reply_in_eq);
PtlEQFree(bulk_source_eq);
PtlEQFree(bulk_sink_eq);