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/* [ICS VERSION STRING: unknown] */
//===========================================================================//
// //
// FILE NAME //
// sm_control.c //
// //
// DESCRIPTION //
// This file contains the infrastructure needed for startup and shutdown. //
// //
// DATA STRUCTURES //
// None //
// //
// FUNCTIONS //
// None //
// //
// DEPENDENCIES //
// ib_mad.h //
// ib_status.h //
// //
// //
//===========================================================================//
#include "os_g.h"
#include "ib_types.h"
#include "ib_mad.h"
#include "ib_status.h"
#include "ib_macros.h"
#include "cs_g.h"
#include "cs_csm_log.h"
#include "sm_counters.h"
#include "sm_l.h"
#include "sm_dbsync.h"
extern uint32_t sm_control_cmd;
extern Status_t sm_clearIsSM(void);
#ifdef __LINUX__
extern void mai_umadt_read_kill(void);
#endif
extern Status_t sm_shutdown(void);
#ifndef __VXWORKS__
#endif
Status_t
sm_control(Mai_t *maip)
{
uint8_t *cp;
uint32_t dev;
uint32_t port;
uint32_t amod;
IB_ENTER(__func__, maip, maip->base.aid, 0, 0);
//
// See if this is a loopback to me.
//
if (maip->base.tid == (uint64_t)sm_threads[SM_THREAD_ASYNC].name) {
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
//
// See if this is for the SM.
//
cp = maip->data;
if ((*(cp+0) != 'S') || (*(cp+1) != 'M') || (*(cp+2) != '\0')) {
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
//
// See if it is for my dev/port combination.
//
amod = ntoh32(maip->base.amod);
dev = (amod >> 8) & 0xff;
port = amod & 0xff;
if ((dev != sm_config.hca) || (port != sm_config.port)) {
IB_EXIT(__func__, amod);
return(VSTATUS_OK);
}
//
// This is from another instance. Let's see what we need to do.
//
switch (maip->base.aid) {
case SM_CONTROL_SHUTDOWN:
(void)sm_control_shutdown(maip);
break;
case SM_CONTROL_STANDBY:
(void)sm_control_standby(maip);
break;
case SM_CONTROL_RESTART:
(void)sm_control_restart(maip);
break;
case SM_CONTROL_HEARTBEAT:
(void)sm_control_heartbeat(maip);
break;
case SM_CONTROL_REGISTER:
(void)sm_control_register(maip);
break;
case SM_CONTROL_RECONFIG:
(void)sm_control_reconfig();
break;
default:
break;
}
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_shutdown(Mai_t *maip)
{
IB_ENTER(__func__, 0, 0, 0, 0);
#ifdef __LINUX__
// Under Linux just completely bail. Let the OS clean up memory and threads. Results in clean
// and expedient shutdown on large clusters.
IB_LOG_INFINI_INFO0("FM exiting.");
// Let file I/O that needs to complete finish prior to exiting to prevent issues when FM runs again
// next (HSM Only)
vs_wrlock(&linux_shutdown_lock);
exit(0);
#else
/* turn off isSm bit in portInfo and kill umadt reader */
IB_LOG_INFINI_INFO0("turning off isSm bit in portInfo");
sm_clearIsSM();
if (sm_shutdown() != VSTATUS_OK) {
IB_LOG_ERROR_FMT(__func__, "Failed to stop the SM cleanly.");
}
/* Signal the main thread that it is time to die. */
sm_control_cmd = SM_CONTROL_SHUTDOWN;
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
#endif
}
Status_t
sm_control_standby(Mai_t *maip)
{
IB_ENTER(__func__, 0, 0, 0, 0);
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_restart(Mai_t *maip)
{
IB_ENTER(__func__, 0, 0, 0, 0);
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_heartbeat(Mai_t *maip)
{
IB_ENTER(__func__, 0, 0, 0, 0);
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_register(Mai_t *maip)
{
IB_ENTER(__func__, 0, 0, 0, 0);
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_reconfig(void)
{
IB_ENTER(__func__, 0, 0, 0, 0);
/* Signal the main thread to re-read and apply new configuration */
sm_control_cmd = SM_CONTROL_RECONFIG;
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_init()
{
Status_t status;
Filter_t filter;
IB_ENTER(__func__, 0, 0, 0, 0);
//
// Create the Control(*) MAD filters for controlling instances.
//
SM_Filter_Init(&filter);
filter.type = MAI_TYPE_INTERNAL;
filter.active = MAI_ACT_BASE | MAI_ACT_TYPE | MAI_ACT_PORT |
MAI_ACT_DEV | MAI_ACT_QP | MAI_ACT_FMASK;
filter.value.bversion = MAD_BVERSION;
filter.value.cversion = MAD_CVERSION;
filter.value.mclass = MAD_CV_SUBN_LR;
filter.value.method = MAD_CM_SEND;
filter.mask.bversion = 0xff;
filter.mask.cversion = 0xff;
filter.mask.mclass = 0xff;
filter.mask.method = 0xff;
status = mai_filter_create(fd_async->fdMai, &filter, VFILTER_SHARE | VFILTER_PURGE);
if (status != VSTATUS_OK) {
smCsmLogMessage(CSM_SEV_NOTICE, CSM_COND_OTHER_ERROR, getMyCsmNodeId(), NULL,
"can't create control filter %d", status);
return(status);
}
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}
Status_t
sm_control_notify()
{
Mai_t out_mad;
Status_t status;
IB_ENTER(__func__, 0, 0, 0, 0);
//
// Send a SHUTDOWN message to other instances.
//
memset((void *)&out_mad, 0, sizeof(Mai_t));
out_mad.type = MAI_TYPE_INTERNAL;
out_mad.port = sm_config.port;
out_mad.dev = sm_config.hca;
out_mad.active |= MAI_ACT_BASE;
out_mad.active |= MAI_ACT_TYPE;
out_mad.active |= MAI_ACT_PORT;
out_mad.active |= MAI_ACT_DEV;
out_mad.active |= MAI_ACT_QP;
out_mad.base.bversion = MAD_BVERSION;
out_mad.base.cversion = MAD_CVERSION;
out_mad.base.mclass = MAD_CV_SUBN_LR;
out_mad.base.method = MAD_CM_SEND;
out_mad.base.aid = SM_CONTROL_SHUTDOWN;
out_mad.base.amod = ntoh32((sm_config.hca << 8) | sm_config.port);
out_mad.base.tid = (uint64_t)sm_threads[SM_THREAD_ASYNC].name;
out_mad.data[0] = 'S';
out_mad.data[1] = 'M';
out_mad.data[2] = '\0';
INCREMENT_COUNTER(smCounterSmPacketTransmits);
status = mai_send(fd_async->fdMai, &out_mad);
if (status != VSTATUS_OK) {
smCsmLogMessage(CSM_SEV_NOTICE, CSM_COND_OTHER_ERROR, getMyCsmNodeId(), NULL,
"can't send NOTIFY mad %d", status);
return(status);
}
IB_EXIT(__func__, 0);
return(VSTATUS_OK);
}