/*
* Copyright (C) 2012 Cray, Inc.
*
+ * Copyright (c) 2014, Intel Corporation.
+ *
* Author: Nic Henke <nic@cray.com>
* Author: James Shimek <jshimek@cray.com>
*
#include "gnilnd.h"
-#define GNILND_RCA_INJ_STRLEN 16
+#define GNILND_PEERSTATE_STRLEN 16
typedef struct kgn_sysctl_data {
int ksd_pause_trigger;
int ksd_quiesce_secs;
int ksd_rdmaq_override;
- char ksd_rca_inject[GNILND_RCA_INJ_STRLEN];
+ char ksd_peer_state[GNILND_PEERSTATE_STRLEN];
} kgn_sysctl_data_t;
static kgn_sysctl_data_t kgnilnd_sysctl;
#if defined(CONFIG_SYSCTL)
static struct ctl_table_header *kgnilnd_table_header = NULL;
-#ifndef HAVE_SYSCTL_UNNUMBERED
-
-enum {
- GNILND_VERSION = 1,
- GNILND_THREAD_PAUSE,
- GNILND_HW_QUIESCE,
- GNILND_STACK_RESET,
- GNILND_RDMAQ_OVERRIDE,
- GNILND_RCA_INJECT,
-};
-#else
-#define GNILND_VERSION CTL_UNNUMBERED
-#define GNILND_THREAD_PAUSE CTL_UNNUMBERED
-#define GNILND_HW_QUIESCE CTL_UNNUMBERED
-#define GNILND_STACK_RESET CTL_UNNUMBERED
-#define GNILND_RDMAQ_OVERRIDE CTL_UNNUMBERED
-#define GNILND_RCA_INJECT CTL_UNNUMBERED
-#endif
-static int LL_PROC_PROTO(proc_toggle_thread_pause)
+static int
+proc_toggle_thread_pause(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
int old_val = kgnilnd_sysctl.ksd_pause_trigger;
int rc = 0;
}
if (old_val != kgnilnd_sysctl.ksd_pause_trigger) {
- down(&kgnilnd_data.kgn_quiesce_sem);
+ mutex_lock(&kgnilnd_data.kgn_quiesce_mutex);
CDEBUG(D_NET, "setting quiesce_trigger %d\n", old_val);
kgnilnd_data.kgn_quiesce_trigger = kgnilnd_sysctl.ksd_pause_trigger;
kgnilnd_quiesce_wait("admin sysctl");
- up(&kgnilnd_data.kgn_quiesce_sem);
+ mutex_unlock(&kgnilnd_data.kgn_quiesce_mutex);
}
RETURN(rc);
}
-static int LL_PROC_PROTO(proc_hw_quiesce)
+static int
+proc_hw_quiesce(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
int rc = 0;
kgn_device_t *dev;
RETURN(rc);
}
-int LL_PROC_PROTO(proc_trigger_stack_reset)
+static int
+proc_trigger_stack_reset(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
int rc = 0;
- int i = 1;
- kgn_device_t *dev;
+ int i = 1;
+ kgn_device_t *dev;
ENTRY;
if (!write) {
/* Wait for the reset to complete. This prevents any races in testing
* where we'd immediately try to send traffic again */
- while (kgnilnd_data.kgn_needs_reset != 0) {
- i++;
- LCONSOLE((((i) & (-i)) == i) ? D_WARNING : D_NET,
- "Waiting for stack reset request to clear\n");
- cfs_pause(cfs_time_seconds(1 * i));
- }
+ while (kgnilnd_data.kgn_needs_reset != 0) {
+ i++;
+ LCONSOLE((((i) & (-i)) == i) ? D_WARNING : D_NET,
+ "Waiting for stack reset request to clear\n");
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(cfs_time_seconds(1 * i));
+ }
RETURN(rc);
}
-static int LL_PROC_PROTO(proc_toggle_rdmaq_override)
+static int
+proc_toggle_rdmaq_override(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
{
int old_val = kgnilnd_sysctl.ksd_rdmaq_override;
int rc = 0;
/* /proc/sys entry point for injecting up/down nid event
* <up|down> <nid>
*/
-static int LL_PROC_PROTO(proc_rca_inject)
+static int
+proc_peer_state(struct ctl_table *table, int write, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
{
int rc;
int nid;
}
/* convert to nid, up/down values */
- rc = sscanf(kgnilnd_sysctl.ksd_rca_inject, "%s %d", command, &nid);
+ rc = sscanf(kgnilnd_sysctl.ksd_peer_state, "%s %d", command, &nid);
CDEBUG(D_INFO, "command %s, nid %d\n", command, nid);
if (rc != 2) {
}
}
- CDEBUG(D_INFO, "proc_rca_inject: reporting node_down %d, nid %d\n",
+ CDEBUG(D_INFO, "proc_peer_state: reporting node_down %d, nid %d\n",
node_down, nid);
rc = kgnilnd_report_node_state(nid, node_down);
* to go via /proc for portability.
*/
{
- INIT_CTL_NAME(GNILND_VERSION)
+ INIT_CTL_NAME
.procname = "version",
.data = KGNILND_BUILD_REV,
.maxlen = sizeof(KGNILND_BUILD_REV),
.proc_handler = &proc_dostring
},
{
- INIT_CTL_NAME(GNILND_THREAD_PAUSE)
+ INIT_CTL_NAME
.procname = "thread_pause",
.data = &kgnilnd_sysctl.ksd_pause_trigger,
.maxlen = sizeof(int),
.proc_handler = &proc_toggle_thread_pause,
},
{
- INIT_CTL_NAME(GNILND_HW_QUIESCE)
+ INIT_CTL_NAME
.procname = "hw_quiesce",
.data = &kgnilnd_sysctl.ksd_quiesce_secs,
.maxlen = sizeof(__u32),
.proc_handler = &proc_hw_quiesce,
},
{
- INIT_CTL_NAME(GNILND_STACK_RESET)
+ INIT_CTL_NAME
.procname = "stack_reset",
.data = NULL,
.maxlen = sizeof(int),
.proc_handler = &proc_trigger_stack_reset,
},
{
- INIT_CTL_NAME(GNILND_RDMAQ_OVERRIDE)
+ INIT_CTL_NAME
.procname = "rdmaq_override",
.data = &kgnilnd_sysctl.ksd_rdmaq_override,
.maxlen = sizeof(int),
.proc_handler = &proc_toggle_rdmaq_override,
},
{
- INIT_CTL_NAME(GNILND_RCA_INJECT)
- .procname = "rca_inject",
- .data = kgnilnd_sysctl.ksd_rca_inject,
- .maxlen = GNILND_RCA_INJ_STRLEN,
+ INIT_CTL_NAME
+ .procname = "peer_state",
+ .data = kgnilnd_sysctl.ksd_peer_state,
+ .maxlen = GNILND_PEERSTATE_STRLEN,
.mode = 0644,
- .proc_handler = &proc_rca_inject,
+ .proc_handler = &proc_peer_state,
},
- { INIT_CTL_NAME(0) }
+ { 0 }
};
static struct ctl_table kgnilnd_top_table[2] = {
{
- INIT_CTL_NAME(CTL_GNILND)
+ INIT_CTL_NAME
.procname = "kgnilnd",
.data = NULL,
.maxlen = 0,
.mode = 0555,
.child = kgnilnd_table
},
- { INIT_CTL_NAME(0) }
+ { 0 }
};
void kgnilnd_insert_sysctl(void)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff