+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lnet/klnds/ptllnd/ptllnd_modparams.c
- *
- * Author: PJ Kirner <pjkirner@clusterfs.com>
- */
-
-
-#include "ptllnd.h"
-
-static int ntx = 256;
-CFS_MODULE_PARM(ntx, "i", int, 0444,
- "# of TX descriptors");
-
-static int max_nodes = 1152;
-CFS_MODULE_PARM(max_nodes, "i", int, 0444,
- "maximum number of peer nodes");
-
-static int max_procs_per_node = 2;
-CFS_MODULE_PARM(max_procs_per_node, "i", int, 0444,
- "maximum number of processes per peer node to cache");
-
-static int checksum = 0;
-CFS_MODULE_PARM(checksum, "i", int, 0644,
- "set non-zero to enable message (not RDMA) checksums");
-
-/* NB 250 is the Cray Portals wire timeout */
-static int timeout = 250;
-CFS_MODULE_PARM(timeout, "i", int, 0644,
- "timeout (seconds)");
-
-static int portal = PTLLND_PORTAL; /* <lnet/ptllnd_wire.h> */
-CFS_MODULE_PARM(portal, "i", int, 0444,
- "portal id");
-
-static int pid = PTLLND_PID; /* <lnet/ptllnd_wire.h> */
-CFS_MODULE_PARM(pid, "i", int, 0444,
- "portals pid");
-
-static int rxb_npages = 1;
-CFS_MODULE_PARM(rxb_npages, "i", int, 0444,
- "# of pages per rx buffer");
-
-static int rxb_nspare = 8;
-CFS_MODULE_PARM(rxb_nspare, "i", int, 0444,
- "# of spare rx buffers");
-
-static int credits = 128;
-CFS_MODULE_PARM(credits, "i", int, 0444,
- "concurrent sends");
-
-static int peercredits = PTLLND_PEERCREDITS; /* <lnet/ptllnd_wire.h> */
-CFS_MODULE_PARM(peercredits, "i", int, 0444,
- "concurrent sends to 1 peer");
-
-static int peer_buffer_credits = 0;
-CFS_MODULE_PARM(peer_buffer_credits, "i", int, 0444,
- "# per-peer router buffer credits");
-
-static int max_msg_size = PTLLND_MAX_KLND_MSG_SIZE; /* <lnet/ptllnd_wire.h> */
-CFS_MODULE_PARM(max_msg_size, "i", int, 0444,
- "max size of immediate message");
-
-static int peer_hash_table_size = 101;
-CFS_MODULE_PARM(peer_hash_table_size, "i", int, 0444,
- "# of slots in the peer hash table");
-
-static int reschedule_loops = 100;
-CFS_MODULE_PARM(reschedule_loops, "i", int, 0644,
- "# of loops before scheduler does cond_resched()");
-
-static int ack_puts = 0;
-CFS_MODULE_PARM(ack_puts, "i", int, 0644,
- "get portals to ack all PUTs");
-
-#ifdef PJK_DEBUGGING
-static int simulation_bitmap = 0;
-CFS_MODULE_PARM(simulation_bitmap, "i", int, 0444,
- "simulation bitmap");
-#endif
-
-
-kptl_tunables_t kptllnd_tunables = {
- .kptl_ntx = &ntx,
- .kptl_max_nodes = &max_nodes,
- .kptl_max_procs_per_node = &max_procs_per_node,
- .kptl_checksum = &checksum,
- .kptl_portal = &portal,
- .kptl_pid = &pid,
- .kptl_timeout = &timeout,
- .kptl_rxb_npages = &rxb_npages,
- .kptl_rxb_nspare = &rxb_nspare,
- .kptl_credits = &credits,
- .kptl_peertxcredits = &peercredits,
- .kptl_peerrtrcredits = &peer_buffer_credits,
- .kptl_max_msg_size = &max_msg_size,
- .kptl_peer_hash_table_size = &peer_hash_table_size,
- .kptl_reschedule_loops = &reschedule_loops,
- .kptl_ack_puts = &ack_puts,
-#ifdef PJK_DEBUGGING
- .kptl_simulation_bitmap = &simulation_bitmap,
-#endif
-};
-
-
-#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
-
-#ifndef HAVE_SYSCTL_UNNUMBERED
-
-enum {
- KPTLLND_NTX = 1,
- KPTLLND_MAX_NODES,
- KPTLLND_MAX_PROC_PER_NODE,
- KPTLLND_CHECKSUM,
- KPTLLND_TIMEOUT,
- KPTLLND_PORTAL,
- KPTLLND_PID,
- KPTLLND_RXB_PAGES,
- KPTLLND_CREDITS,
- KPTLLND_PEERTXCREDITS,
- KPTLLND_PEERRTRCREDITS,
- KPTLLND_MAX_MSG_SIZE,
- KPTLLND_PEER_HASH_SIZE,
- KPTLLND_RESHEDULE_LOOPS,
- KPTLLND_ACK_PUTS,
- KPTLLND_TRACETIMEOUT,
- KPTLLND_TRACEFAIL,
- KPTLLND_TRACEBASENAME,
- KPTLLND_SIMULATION_BITMAP
-};
-#else
-
-#define KPTLLND_NTX CTL_UNNUMBERED
-#define KPTLLND_MAX_NODES CTL_UNNUMBERED
-#define KPTLLND_MAX_PROC_PER_NODE CTL_UNNUMBERED
-#define KPTLLND_CHECKSUM CTL_UNNUMBERED
-#define KPTLLND_TIMEOUT CTL_UNNUMBERED
-#define KPTLLND_PORTAL CTL_UNNUMBERED
-#define KPTLLND_PID CTL_UNNUMBERED
-#define KPTLLND_RXB_PAGES CTL_UNNUMBERED
-#define KPTLLND_CREDITS CTL_UNNUMBERED
-#define KPTLLND_PEERTXCREDITS CTL_UNNUMBERED
-#define KPTLLND_PEERRTRCREDITS CTL_UNNUMBERED
-#define KPTLLND_MAX_MSG_SIZE CTL_UNNUMBERED
-#define KPTLLND_PEER_HASH_SIZE CTL_UNNUMBERED
-#define KPTLLND_RESHEDULE_LOOPS CTL_UNNUMBERED
-#define KPTLLND_ACK_PUTS CTL_UNNUMBERED
-#define KPTLLND_TRACETIMEOUT CTL_UNNUMBERED
-#define KPTLLND_TRACEFAIL CTL_UNNUMBERED
-#define KPTLLND_TRACEBASENAME CTL_UNNUMBERED
-#define KPTLLND_SIMULATION_BITMAP CTL_UNNUMBERED
-#endif
-
-static struct ctl_table kptllnd_ctl_table[] = {
- {
- .ctl_name = KPTLLND_NTX,
- .procname = "ntx",
- .data = &ntx,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_MAX_NODES,
- .procname = "max_nodes",
- .data = &max_nodes,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_MAX_PROC_PER_NODE,
- .procname = "max_procs_per_node",
- .data = &max_procs_per_node,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_CHECKSUM,
- .procname = "checksum",
- .data = &checksum,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_TIMEOUT,
- .procname = "timeout",
- .data = &timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_PORTAL,
- .procname = "portal",
- .data = &portal,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_PID,
- .procname = "pid",
- .data = &pid,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_RXB_PAGES,
- .procname = "rxb_npages",
- .data = &rxb_npages,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_CREDITS,
- .procname = "credits",
- .data = &credits,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_PEERTXCREDITS,
- .procname = "peercredits",
- .data = &peercredits,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_PEERRTRCREDITS,
- .procname = "peer_buffer_credits",
- .data = &peer_buffer_credits,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_MAX_MSG_SIZE,
- .procname = "max_msg_size",
- .data = &max_msg_size,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_PEER_HASH_SIZE,
- .procname = "peer_hash_table_size",
- .data = &peer_hash_table_size,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_RESHEDULE_LOOPS,
- .procname = "reschedule_loops",
- .data = &reschedule_loops,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = KPTLLND_ACK_PUTS,
- .procname = "ack_puts",
- .data = &ack_puts,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
-#ifdef PJK_DEBUGGING
- {
- .ctl_name = KPTLLND_SIMULATION_BITMAP,
- .procname = "simulation_bitmap",
- .data = &simulation_bitmap,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec
- },
-#endif
-
- {0}
-};
-
-static struct ctl_table kptllnd_top_ctl_table[] = {
- {
- .ctl_name = CTL_PTLLND,
- .procname = "ptllnd",
- .data = NULL,
- .maxlen = 0,
- .mode = 0555,
- .child = kptllnd_ctl_table
- },
- {0}
-};
-
-int
-kptllnd_tunables_init ()
-{
- kptllnd_tunables.kptl_sysctl =
- register_sysctl_table(kptllnd_top_ctl_table, 0);
-
- if (kptllnd_tunables.kptl_sysctl == NULL)
- CWARN("Can't setup /proc tunables\n");
-
- return 0;
-}
-
-void
-kptllnd_tunables_fini ()
-{
- if (kptllnd_tunables.kptl_sysctl != NULL)
- unregister_sysctl_table(kptllnd_tunables.kptl_sysctl);
-}
-
-#else
-
-int
-kptllnd_tunables_init ()
-{
- return 0;
-}
-
-void
-kptllnd_tunables_fini ()
-{
-}
-
-#endif
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