-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Phil Schwan <phil@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/errno.h>
-#include <linux/smp_lock.h>
#include <linux/unistd.h>
#include <net/sock.h>
#include <linux/uio.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <linux/fs.h>
#include "tracefile.h"
#ifdef CONFIG_SYSCTL
-static cfs_sysctl_table_header_t *lnet_table_header = NULL;
+static struct ctl_table_header *lnet_table_header = NULL;
#endif
extern char lnet_upcall[1024];
/**
*/
extern char lnet_debug_log_upcall[1024];
-#ifndef HAVE_SYSCTL_UNNUMBERED
-#define CTL_LNET (0x100)
-enum {
- PSDEV_DEBUG = 1, /* control debugging */
- PSDEV_SUBSYSTEM_DEBUG, /* control debugging */
- PSDEV_PRINTK, /* force all messages to console */
- PSDEV_CONSOLE_RATELIMIT, /* ratelimit console messages */
- PSDEV_CONSOLE_MAX_DELAY_CS, /* maximum delay over which we skip messages */
- PSDEV_CONSOLE_MIN_DELAY_CS, /* initial delay over which we skip messages */
- PSDEV_CONSOLE_BACKOFF, /* delay increase factor */
- PSDEV_DEBUG_PATH, /* crashdump log location */
- PSDEV_DEBUG_DUMP_PATH, /* crashdump tracelog location */
- PSDEV_LNET_UPCALL, /* User mode upcall script */
- PSDEV_LNET_MEMUSED, /* bytes currently PORTAL_ALLOCated */
- PSDEV_LNET_CATASTROPHE, /* if we have LBUGged or panic'd */
- PSDEV_LNET_PANIC_ON_LBUG, /* flag to panic on LBUG */
- PSDEV_LNET_DUMP_KERNEL, /* snapshot kernel debug buffer to file */
- PSDEV_LNET_DAEMON_FILE, /* spool kernel debug buffer to file */
- PSDEV_LNET_DEBUG_MB, /* size of debug buffer */
- PSDEV_LNET_DEBUG_LOG_UPCALL, /* debug log upcall script */
- PSDEV_LNET_WATCHDOG_RATELIMIT, /* ratelimit watchdog messages */
- PSDEV_LNET_FORCE_LBUG, /* hook to force an LBUG */
- PSDEV_LNET_FAIL_LOC, /* control test failures instrumentation */
- PSDEV_LNET_FAIL_VAL, /* userdata for fail loc */
-};
-#else
-#define CTL_LNET CTL_UNNUMBERED
-#define PSDEV_DEBUG CTL_UNNUMBERED
-#define PSDEV_SUBSYSTEM_DEBUG CTL_UNNUMBERED
-#define PSDEV_PRINTK CTL_UNNUMBERED
-#define PSDEV_CONSOLE_RATELIMIT CTL_UNNUMBERED
-#define PSDEV_CONSOLE_MAX_DELAY_CS CTL_UNNUMBERED
-#define PSDEV_CONSOLE_MIN_DELAY_CS CTL_UNNUMBERED
-#define PSDEV_CONSOLE_BACKOFF CTL_UNNUMBERED
-#define PSDEV_DEBUG_PATH CTL_UNNUMBERED
-#define PSDEV_DEBUG_DUMP_PATH CTL_UNNUMBERED
-#define PSDEV_LNET_UPCALL CTL_UNNUMBERED
-#define PSDEV_LNET_MEMUSED CTL_UNNUMBERED
-#define PSDEV_LNET_CATASTROPHE CTL_UNNUMBERED
-#define PSDEV_LNET_PANIC_ON_LBUG CTL_UNNUMBERED
-#define PSDEV_LNET_DUMP_KERNEL CTL_UNNUMBERED
-#define PSDEV_LNET_DAEMON_FILE CTL_UNNUMBERED
-#define PSDEV_LNET_DEBUG_MB CTL_UNNUMBERED
-#define PSDEV_LNET_DEBUG_LOG_UPCALL CTL_UNNUMBERED
-#define PSDEV_LNET_WATCHDOG_RATELIMIT CTL_UNNUMBERED
-#define PSDEV_LNET_FORCE_LBUG CTL_UNNUMBERED
-#define PSDEV_LNET_FAIL_LOC CTL_UNNUMBERED
-#define PSDEV_LNET_FAIL_VAL CTL_UNNUMBERED
-#endif
-
int
proc_call_handler(void *data, int write,
loff_t *ppos, void *buffer, size_t *lenp,
}
} else {
rc = cfs_trace_copyin_string(tmpstr, tmpstrlen, buffer, nob);
- if (rc < 0)
- return rc;
+ if (rc < 0) {
+ cfs_trace_free_string_buffer(tmpstr, tmpstrlen);
+ return rc;
+ }
rc = libcfs_debug_str2mask(mask, tmpstr, is_subsys);
/* Always print LBUG/LASSERT to console, so keep this mask */
int LL_PROC_PROTO(proc_console_max_delay_cs)
{
- int rc, max_delay_cs;
- cfs_sysctl_table_t dummy = *table;
- cfs_duration_t d;
+ int rc, max_delay_cs;
+ struct ctl_table dummy = *table;
+ cfs_duration_t d;
dummy.data = &max_delay_cs;
dummy.proc_handler = &proc_dointvec;
if (!write) { /* read */
max_delay_cs = cfs_duration_sec(libcfs_console_max_delay * 100);
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
return rc;
}
/* write */
max_delay_cs = 0;
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
if (rc < 0)
return rc;
if (max_delay_cs <= 0)
int LL_PROC_PROTO(proc_console_min_delay_cs)
{
- int rc, min_delay_cs;
- cfs_sysctl_table_t dummy = *table;
- cfs_duration_t d;
-
- dummy.data = &min_delay_cs;
- dummy.proc_handler = &proc_dointvec;
-
- if (!write) { /* read */
- min_delay_cs = cfs_duration_sec(libcfs_console_min_delay * 100);
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
- return rc;
- }
-
- /* write */
- min_delay_cs = 0;
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
- if (rc < 0)
- return rc;
- if (min_delay_cs <= 0)
- return -EINVAL;
-
- d = cfs_time_seconds(min_delay_cs) / 100;
- if (d == 0 || d > libcfs_console_max_delay)
- return -EINVAL;
- libcfs_console_min_delay = d;
-
- return rc;
+ int rc, min_delay_cs;
+ struct ctl_table dummy = *table;
+ cfs_duration_t d;
+
+ dummy.data = &min_delay_cs;
+ dummy.proc_handler = &proc_dointvec;
+
+ if (!write) { /* read */
+ min_delay_cs = cfs_duration_sec(libcfs_console_min_delay * 100);
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
+ return rc;
+ }
+
+ /* write */
+ min_delay_cs = 0;
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
+ if (rc < 0)
+ return rc;
+ if (min_delay_cs <= 0)
+ return -EINVAL;
+
+ d = cfs_time_seconds(min_delay_cs) / 100;
+ if (d == 0 || d > libcfs_console_max_delay)
+ return -EINVAL;
+ libcfs_console_min_delay = d;
+
+ return rc;
}
int LL_PROC_PROTO(proc_console_backoff)
{
- int rc, backoff;
- cfs_sysctl_table_t dummy = *table;
+ int rc, backoff;
+ struct ctl_table dummy = *table;
- dummy.data = &backoff;
- dummy.proc_handler = &proc_dointvec;
+ dummy.data = &backoff;
+ dummy.proc_handler = &proc_dointvec;
- if (!write) { /* read */
- backoff= libcfs_console_backoff;
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
- return rc;
- }
+ if (!write) { /* read */
+ backoff= libcfs_console_backoff;
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
+ return rc;
+ }
- /* write */
- backoff = 0;
- rc = ll_proc_dointvec(&dummy, write, filp, buffer, lenp, ppos);
- if (rc < 0)
- return rc;
- if (backoff <= 0)
- return -EINVAL;
+ /* write */
+ backoff = 0;
+ rc = proc_dointvec(&dummy, write, buffer, lenp, ppos);
+ if (rc < 0)
+ return rc;
+ if (backoff <= 0)
+ return -EINVAL;
- libcfs_console_backoff = backoff;
+ libcfs_console_backoff = backoff;
- return rc;
+ return rc;
}
int LL_PROC_PROTO(libcfs_force_lbug)
int LL_PROC_PROTO(proc_fail_loc)
{
- int rc;
- long old_fail_loc = cfs_fail_loc;
+ int rc;
+ long old_fail_loc = cfs_fail_loc;
- rc = ll_proc_dolongvec(table, write, filp, buffer, lenp, ppos);
- if (old_fail_loc != cfs_fail_loc)
- cfs_waitq_signal(&cfs_race_waitq);
- return rc;
+ rc = proc_doulongvec_minmax(table, write, buffer, lenp, ppos);
+ if (old_fail_loc != cfs_fail_loc)
+ wake_up(&cfs_race_waitq);
+ return rc;
}
-static cfs_sysctl_table_t lnet_table[] = {
- /*
- * NB No .strategy entries have been provided since sysctl(8) prefers
- * to go via /proc for portability.
- */
- {
- .ctl_name = PSDEV_DEBUG,
- .procname = "debug",
- .data = &libcfs_debug,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dobitmasks,
- },
- {
- .ctl_name = PSDEV_SUBSYSTEM_DEBUG,
- .procname = "subsystem_debug",
- .data = &libcfs_subsystem_debug,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dobitmasks,
- },
- {
- .ctl_name = PSDEV_PRINTK,
- .procname = "printk",
- .data = &libcfs_printk,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dobitmasks,
- },
- {
- .ctl_name = PSDEV_CONSOLE_RATELIMIT,
- .procname = "console_ratelimit",
- .data = &libcfs_console_ratelimit,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {
- .ctl_name = PSDEV_CONSOLE_MAX_DELAY_CS,
- .procname = "console_max_delay_centisecs",
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_console_max_delay_cs
- },
- {
- .ctl_name = PSDEV_CONSOLE_MIN_DELAY_CS,
- .procname = "console_min_delay_centisecs",
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_console_min_delay_cs
- },
- {
- .ctl_name = PSDEV_CONSOLE_BACKOFF,
- .procname = "console_backoff",
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_console_backoff
- },
-
- {
- .ctl_name = PSDEV_DEBUG_PATH,
- .procname = "debug_path",
- .data = libcfs_debug_file_path_arr,
- .maxlen = sizeof(libcfs_debug_file_path_arr),
- .mode = 0644,
- .proc_handler = &proc_dostring,
- },
-
- {
- .ctl_name = PSDEV_LNET_UPCALL,
- .procname = "upcall",
- .data = lnet_upcall,
- .maxlen = sizeof(lnet_upcall),
- .mode = 0644,
- .proc_handler = &proc_dostring,
- },
- {
- .ctl_name = PSDEV_LNET_DEBUG_LOG_UPCALL,
- .procname = "debug_log_upcall",
- .data = lnet_debug_log_upcall,
- .maxlen = sizeof(lnet_debug_log_upcall),
- .mode = 0644,
- .proc_handler = &proc_dostring,
- },
- {
- .ctl_name = PSDEV_LNET_MEMUSED,
- .procname = "lnet_memused",
- .data = (int *)&libcfs_kmemory.counter,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = PSDEV_LNET_CATASTROPHE,
- .procname = "catastrophe",
- .data = &libcfs_catastrophe,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = PSDEV_LNET_PANIC_ON_LBUG,
- .procname = "panic_on_lbug",
- .data = &libcfs_panic_on_lbug,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- .strategy = &sysctl_intvec,
- },
- {
- .ctl_name = PSDEV_LNET_DUMP_KERNEL,
- .procname = "dump_kernel",
- .maxlen = 256,
- .mode = 0200,
- .proc_handler = &proc_dump_kernel,
- },
- {
- .ctl_name = PSDEV_LNET_DAEMON_FILE,
- .procname = "daemon_file",
- .mode = 0644,
- .maxlen = 256,
- .proc_handler = &proc_daemon_file,
- },
- {
- .ctl_name = PSDEV_LNET_DEBUG_MB,
- .procname = "debug_mb",
- .mode = 0644,
- .proc_handler = &proc_debug_mb,
- },
- {
- .ctl_name = PSDEV_LNET_WATCHDOG_RATELIMIT,
- .procname = "watchdog_ratelimit",
- .data = &libcfs_watchdog_ratelimit,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .extra1 = &min_watchdog_ratelimit,
- .extra2 = &max_watchdog_ratelimit,
- },
- { .ctl_name = PSDEV_LNET_FORCE_LBUG,
- .procname = "force_lbug",
- .data = NULL,
- .maxlen = 0,
- .mode = 0200,
- .proc_handler = &libcfs_force_lbug
- },
- {
- .ctl_name = PSDEV_LNET_FAIL_LOC,
- .procname = "fail_loc",
- .data = &cfs_fail_loc,
- .maxlen = sizeof(cfs_fail_loc),
- .mode = 0644,
- .proc_handler = &proc_fail_loc
- },
- {
- .ctl_name = PSDEV_LNET_FAIL_VAL,
- .procname = "fail_val",
- .data = &cfs_fail_val,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec
- },
- {0}
+static int __proc_cpt_table(void *data, int write,
+ loff_t pos, void *buffer, int nob)
+{
+ char *buf = NULL;
+ int len = 4096;
+ int rc = 0;
+
+ if (write)
+ return -EPERM;
+
+ LASSERT(cfs_cpt_table != NULL);
+
+ while (1) {
+ LIBCFS_ALLOC(buf, len);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ rc = cfs_cpt_table_print(cfs_cpt_table, buf, len);
+ if (rc >= 0)
+ break;
+
+ LIBCFS_FREE(buf, len);
+ if (rc == -EFBIG) {
+ len <<= 1;
+ continue;
+ }
+ goto out;
+ }
+
+ if (pos >= rc) {
+ rc = 0;
+ goto out;
+ }
+
+ rc = cfs_trace_copyout_string(buffer, nob, buf + pos, NULL);
+ out:
+ if (buf != NULL)
+ LIBCFS_FREE(buf, len);
+ return rc;
+}
+DECLARE_PROC_HANDLER(proc_cpt_table)
+
+static struct ctl_table lnet_table[] = {
+ /*
+ * NB No .strategy entries have been provided since sysctl(8) prefers
+ * to go via /proc for portability.
+ */
+ {
+ INIT_CTL_NAME
+ .procname = "debug",
+ .data = &libcfs_debug,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dobitmasks,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "subsystem_debug",
+ .data = &libcfs_subsystem_debug,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dobitmasks,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "printk",
+ .data = &libcfs_printk,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dobitmasks,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "console_ratelimit",
+ .data = &libcfs_console_ratelimit,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "console_max_delay_centisecs",
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_console_max_delay_cs
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "console_min_delay_centisecs",
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_console_min_delay_cs
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "console_backoff",
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_console_backoff
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "debug_path",
+ .data = libcfs_debug_file_path_arr,
+ .maxlen = sizeof(libcfs_debug_file_path_arr),
+ .mode = 0644,
+ .proc_handler = &proc_dostring,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "cpu_partition_table",
+ .maxlen = 128,
+ .mode = 0444,
+ .proc_handler = &proc_cpt_table,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "upcall",
+ .data = lnet_upcall,
+ .maxlen = sizeof(lnet_upcall),
+ .mode = 0644,
+ .proc_handler = &proc_dostring,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "debug_log_upcall",
+ .data = lnet_debug_log_upcall,
+ .maxlen = sizeof(lnet_debug_log_upcall),
+ .mode = 0644,
+ .proc_handler = &proc_dostring,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "lnet_memused",
+ .data = (int *)&libcfs_kmemory.counter,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "catastrophe",
+ .data = &libcfs_catastrophe,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "panic_on_lbug",
+ .data = &libcfs_panic_on_lbug,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ INIT_STRATEGY
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "dump_kernel",
+ .maxlen = 256,
+ .mode = 0200,
+ .proc_handler = &proc_dump_kernel,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "daemon_file",
+ .mode = 0644,
+ .maxlen = 256,
+ .proc_handler = &proc_daemon_file,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "debug_mb",
+ .mode = 0644,
+ .proc_handler = &proc_debug_mb,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "watchdog_ratelimit",
+ .data = &libcfs_watchdog_ratelimit,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_minmax,
+ .extra1 = &min_watchdog_ratelimit,
+ .extra2 = &max_watchdog_ratelimit,
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "force_lbug",
+ .data = NULL,
+ .maxlen = 0,
+ .mode = 0200,
+ .proc_handler = &libcfs_force_lbug
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "fail_loc",
+ .data = &cfs_fail_loc,
+ .maxlen = sizeof(cfs_fail_loc),
+ .mode = 0644,
+ .proc_handler = &proc_fail_loc
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "fail_val",
+ .data = &cfs_fail_val,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ INIT_CTL_NAME
+ .procname = "fail_err",
+ .data = &cfs_fail_err,
+ .maxlen = sizeof(cfs_fail_err),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+ { 0 }
};
#ifdef CONFIG_SYSCTL
-static cfs_sysctl_table_t top_table[] = {
+static struct ctl_table top_table[] = {
{
- .ctl_name = CTL_LNET,
- .procname = "lnet",
- .mode = 0555,
- .data = NULL,
- .maxlen = 0,
- .child = lnet_table,
- },
- {
- .ctl_name = 0
- }
+ INIT_CTL_NAME
+ .procname = "lnet",
+ .mode = 0555,
+ .data = NULL,
+ .maxlen = 0,
+ .child = lnet_table,
+ },
+ { 0 }
};
+#endif
int insert_proc(void)
{
- if (lnet_table_header == NULL)
- lnet_table_header = cfs_register_sysctl_table(top_table, 0);
+#ifdef CONFIG_SYSCTL
+ if (lnet_table_header == NULL)
+ lnet_table_header = register_sysctl_table(top_table);
#endif
- return 0;
+ return 0;
}
void remove_proc(void)
{
#ifdef CONFIG_SYSCTL
- if (lnet_table_header != NULL)
- cfs_unregister_sysctl_table(lnet_table_header);
+ if (lnet_table_header != NULL)
+ unregister_sysctl_table(lnet_table_header);
- lnet_table_header = NULL;
+ lnet_table_header = NULL;
#endif
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff