--- old/usr/src/uts/common/avs/ns/solaris/nskernd.c	Fri Jul 27 15:36:04 2018
+++ /dev/null	Fri Jul 27 15:07:21 2018
@@ -1,298 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#include <sys/types.h>
-#include <sys/ksynch.h>
-#include <sys/errno.h>
-#include <sys/ddi.h>
-#include <sys/sunddi.h>
-
-#include "../nsctl.h"
-#include "../nsctl/nsc_ioctl.h"
-#include "nskernd.h"
-
-void *proc_nskernd;
-int nskernd_iscluster;
-
-static kmutex_t nskernd_lock;
-
-static kcondvar_t nskernd_ask_cv;
-static kcondvar_t nskernd_k_cv;
-static kcondvar_t nskernd_u_cv;
-
-static volatile int nskernd_k_wait;
-static volatile int nskernd_u_wait;
-
-static int nskernd_norun;
-
-static volatile int nskernd_ask;
-static struct nskernd nskernd_kdata;
-
-void
-nskernd_init(void)
-{
-	mutex_init(&nskernd_lock, NULL, MUTEX_DRIVER, NULL);
-	cv_init(&nskernd_ask_cv, NULL, CV_DRIVER, NULL);
-	cv_init(&nskernd_k_cv, NULL, CV_DRIVER, NULL);
-	cv_init(&nskernd_u_cv, NULL, CV_DRIVER, NULL);
-
-	nskernd_norun = 0;
-}
-
-
-void
-nskernd_deinit(void)
-{
-	mutex_destroy(&nskernd_lock);
-	cv_destroy(&nskernd_ask_cv);
-	cv_destroy(&nskernd_k_cv);
-	cv_destroy(&nskernd_u_cv);
-}
-
-
-static int
-nskernd_start(const int iscluster)
-{
-	int rc = 0;
-
-	mutex_enter(&nskernd_lock);
-
-	if (proc_nskernd != NULL) {
-		rc = 1;
-	} else if (nskernd_norun != 0) {
-		rc = 2;
-	} else {
-		(void) drv_getparm(UPROCP, (void *)&proc_nskernd);
-		nskernd_iscluster = iscluster;
-	}
-
-	mutex_exit(&nskernd_lock);
-
-	return (rc);
-}
-
-
-/*
- * must be called with nskernd_lock held.
- */
-void
-nskernd_cleanup(void)
-{
-	proc_nskernd = NULL;
-	cv_broadcast(&nskernd_ask_cv);
-	cv_broadcast(&nskernd_k_cv);
-}
-
-
-void
-nskernd_stop(void)
-{
-	mutex_enter(&nskernd_lock);
-
-	if (proc_nskernd == NULL) {
-		nskernd_norun = 1;
-		mutex_exit(&nskernd_lock);
-		return;
-	}
-
-	while (nskernd_u_wait == 0) {
-		nskernd_k_wait++;
-		cv_wait(&nskernd_k_cv, &nskernd_lock);
-		nskernd_k_wait--;
-
-		if (proc_nskernd == NULL) {
-			mutex_exit(&nskernd_lock);
-			return;
-		}
-	}
-
-	nskernd_kdata.command = NSKERND_STOP;
-	nskernd_kdata.data1 = (uint64_t)1;	/* kernel has done cleanup */
-
-	nskernd_cleanup();
-
-	cv_signal(&nskernd_u_cv);
-	mutex_exit(&nskernd_lock);
-}
-
-
-int
-nskernd_get(struct nskernd *nskp)
-{
-	mutex_enter(&nskernd_lock);
-
-	if (proc_nskernd == NULL) {
-		mutex_exit(&nskernd_lock);
-		return (ENXIO);
-	}
-
-	while (nskernd_u_wait == 0 || nskernd_ask) {
-		nskernd_k_wait++;
-		cv_wait(&nskernd_k_cv, &nskernd_lock);
-		nskernd_k_wait--;
-
-		if (proc_nskernd == NULL) {
-			mutex_exit(&nskernd_lock);
-			return (ENXIO);
-		}
-	}
-
-	bcopy(nskp, &nskernd_kdata, sizeof (*nskp));
-	nskernd_ask++;
-
-	cv_signal(&nskernd_u_cv);
-
-	cv_wait(&nskernd_ask_cv, &nskernd_lock);
-
-	if (proc_nskernd == NULL) {
-		nskernd_ask--;
-		mutex_exit(&nskernd_lock);
-		return (ENXIO);
-	}
-
-	bcopy(&nskernd_kdata, nskp, sizeof (*nskp));
-	nskernd_ask--;
-
-	if (nskernd_k_wait > 0)
-		cv_signal(&nskernd_k_cv);
-
-	mutex_exit(&nskernd_lock);
-	return (0);
-}
-
-
-int
-nskernd_command(intptr_t arg, int mode, int *rvalp)
-{
-	struct nskernd *udata = NULL;
-	uint64_t arg1, arg2;
-	int rc;
-
-	*rvalp = 0;
-	rc = 0;
-
-	udata = kmem_alloc(sizeof (*udata), KM_SLEEP);
-	if (ddi_copyin((void *)arg, udata, sizeof (*udata), mode) < 0) {
-		kmem_free(udata, sizeof (*udata));
-		return (EFAULT);
-	}
-
-	switch (udata->command) {
-	case NSKERND_START:		/* User program start */
-		*rvalp = nskernd_start(udata->data1);
-		break;
-
-	case NSKERND_STOP:		/* User program requesting stop */
-		mutex_enter(&nskernd_lock);
-		nskernd_cleanup();
-		mutex_exit(&nskernd_lock);
-		break;
-
-	case NSKERND_WAIT:
-		mutex_enter(&nskernd_lock);
-
-		bcopy(udata, &nskernd_kdata, sizeof (*udata));
-
-		if (nskernd_ask > 0)
-			cv_signal(&nskernd_ask_cv);
-
-		nskernd_u_wait++;
-
-		if (cv_wait_sig(&nskernd_u_cv, &nskernd_lock) != 0) {
-			/*
-			 * woken by cv_signal() or cv_broadcast()
-			 */
-			bcopy(&nskernd_kdata, udata, sizeof (*udata));
-		} else {
-			/*
-			 * signal - the user process has blocked all
-			 * signals except for SIGTERM and the
-			 * uncatchables, so the process is about to die
-			 * and we need to clean up.
-			 */
-			udata->command = NSKERND_STOP;
-			udata->data1 = (uint64_t)1;	 /* cleanup done */
-
-			nskernd_cleanup();
-		}
-
-		nskernd_u_wait--;
-
-		mutex_exit(&nskernd_lock);
-
-		if (ddi_copyout(udata, (void *)arg,
-		    sizeof (*udata), mode) < 0) {
-			rc = EFAULT;
-			break;
-		}
-
-		break;
-
-	case NSKERND_NEWLWP:
-		/* save kmem by freeing the udata structure */
-		arg1 = udata->data1;
-		kmem_free(udata, sizeof (*udata));
-		udata = NULL;
-		nsc_runlwp(arg1);
-		break;
-
-	case NSKERND_LOCK:
-		/* save kmem by freeing the udata structure */
-		arg1 = udata->data1;
-		arg2 = udata->data2;
-		kmem_free(udata, sizeof (*udata));
-		udata = NULL;
-		nsc_lockchild(arg1, arg2);
-		break;
-
-	default:
-		cmn_err(CE_WARN, "nskernd: unknown command %d", udata->command);
-		rc = EINVAL;
-		break;
-	}
-
-	if (udata != NULL) {
-		kmem_free(udata, sizeof (*udata));
-		udata = NULL;
-	}
-
-	return (rc);
-}
-
-/*
- * This function is included for SV ioctl processing only.
- */
-
-int
-nskernd_isdaemon(void)
-{
-	void *this_proc;
-
-	if (proc_nskernd == NULL)
-		return (0);
-	if (drv_getparm(UPROCP, (void *)&this_proc) != 0)
-		return (0);
-	return (proc_nskernd == this_proc);
-}
