--- old/usr/src/cmd/mdb/common/modules/sv/sv.c	Fri Jul 27 15:35:39 2018
+++ /dev/null	Fri Jul 27 15:07:21 2018
@@ -1,624 +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/mdb_modapi.h>
-#include <sys/ddi.h>
-#include <sys/sunddi.h>
-#include <sys/sunldi.h>
-
-#include <sys/nsctl/nsctl.h>
-#include <sys/unistat/spcs_s.h>
-#include <sys/unistat/spcs_s_k.h>
-
-#include <sys/nsctl/sv.h>
-#include <sys/nsctl/sv_impl.h>
-
-#include <sys/nsctl/nsvers.h>
-
-/*
- * Walker for an array of sv_dev_t structures.
- * A global walk is assumed to start at sv_devs.
- */
-
-struct sv_dev_winfo {
-	uintptr_t start;
-	uintptr_t end;
-};
-
-
-static int
-sv_dev_winit(mdb_walk_state_t *wsp)
-{
-	struct sv_dev_winfo *winfo;
-	sv_dev_t *sv_devs;
-	int sv_max_devices;
-
-	winfo = mdb_zalloc(sizeof (struct sv_dev_winfo), UM_SLEEP);
-
-	if (mdb_readvar(&sv_devs, "sv_devs") == -1) {
-		mdb_warn("failed to read 'sv_devs'");
-		mdb_free(winfo,  sizeof (struct sv_dev_winfo));
-		return (WALK_ERR);
-	}
-
-	if (mdb_readvar(&sv_max_devices, "sv_max_devices") == -1) {
-		mdb_warn("failed to read 'sv_max_devices'");
-		mdb_free(winfo, sizeof (struct sv_dev_winfo));
-		return (WALK_ERR);
-	}
-
-	winfo->start = (uintptr_t)sv_devs;
-	winfo->end = (uintptr_t)(sv_devs + sv_max_devices);
-
-	if (wsp->walk_addr == NULL)
-		wsp->walk_addr = winfo->start;
-
-	wsp->walk_data = winfo;
-	return (WALK_NEXT);
-}
-
-
-static int
-sv_dev_wstep(mdb_walk_state_t *wsp)
-{
-	struct sv_dev_winfo *winfo = wsp->walk_data;
-	int status;
-
-	if (wsp->walk_addr == NULL)
-		return (WALK_DONE);
-
-	if (wsp->walk_addr >= winfo->end)
-		return (WALK_DONE);
-
-	status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
-	    wsp->walk_cbdata);
-
-	wsp->walk_addr += sizeof (sv_dev_t);
-	return (status);
-}
-
-
-static void
-sv_dev_wfini(mdb_walk_state_t *wsp)
-{
-	mdb_free(wsp->walk_data, sizeof (struct sv_dev_winfo));
-}
-
-
-/*
- * Walker for an sv hash chain.
- * Global walks are disallowed.
- */
-
-static int
-sv_hash_winit(mdb_walk_state_t *wsp)
-{
-	if (wsp->walk_addr == NULL)
-		return (WALK_ERR);
-
-	wsp->walk_data = mdb_zalloc(sizeof (sv_dev_t), UM_SLEEP);
-
-	return (WALK_NEXT);
-}
-
-
-static int
-sv_hash_wstep(mdb_walk_state_t *wsp)
-{
-	int status;
-
-	if (wsp->walk_addr == NULL)
-		return (WALK_DONE);
-
-	if (mdb_vread(wsp->walk_data,
-	    sizeof (sv_dev_t), wsp->walk_addr) == -1) {
-		mdb_warn("failed to read sv_dev at %p", wsp->walk_addr);
-		return (WALK_DONE);
-	}
-
-	status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
-	    wsp->walk_cbdata);
-
-	wsp->walk_addr = (uintptr_t)(((sv_dev_t *)wsp->walk_data)->sv_hash);
-	return (status);
-}
-
-
-static void
-sv_hash_wfini(mdb_walk_state_t *wsp)
-{
-	mdb_free(wsp->walk_data, sizeof (sv_dev_t));
-}
-
-
-/*
- * Walker for an array of sv_maj_t structures.
- * A global walk is assumed to start at sv_majors.
- */
-
-sv_maj_t *sv_majors[SV_MAJOR_HASH_CNT + 1] = {0};
-
-static int
-sv_maj_winit(mdb_walk_state_t *wsp)
-{
-	if (wsp->walk_addr == NULL) {
-		if (mdb_readvar(&sv_majors, "sv_majors") == -1) {
-			mdb_warn("failed to read 'sv_majors'");
-			return (WALK_ERR);
-		}
-	} else {
-		sv_majors[0] = (sv_maj_t *)wsp->walk_addr;
-	}
-
-	wsp->walk_addr = (uintptr_t)&sv_majors[0];
-	wsp->walk_data = mdb_zalloc(sizeof (sv_maj_t), UM_SLEEP);
-
-	return (WALK_NEXT);
-}
-
-
-static int
-sv_maj_wstep(mdb_walk_state_t *wsp)
-{
-	uintptr_t addr;
-	int status = DCMD_OK;
-
-	if (wsp->walk_addr == NULL)
-		return (WALK_DONE);
-
-	if (wsp->walk_addr >= (uintptr_t)&sv_majors[SV_MAJOR_HASH_CNT])
-		return (WALK_DONE);
-
-	for (addr = *(uintptr_t *)wsp->walk_addr; addr;
-		addr = (uintptr_t)(((sv_maj_t *)wsp->walk_data)->sm_next)) {
-
-		if (mdb_vread(wsp->walk_data, sizeof (sv_maj_t), addr)
-							!= sizeof (sv_maj_t)) {
-			mdb_warn("failed to read sv_maj at %p", addr);
-			status = DCMD_ERR;
-			break;
-		}
-
-		status = wsp->walk_callback(addr, wsp->walk_data,
-						wsp->walk_cbdata);
-		if (status != DCMD_OK)
-			break;
-	}
-
-	wsp->walk_addr += sizeof (sv_maj_t *);
-	return (status);
-}
-
-
-static void
-sv_maj_wfini(mdb_walk_state_t *wsp)
-{
-	mdb_free(wsp->walk_data, sizeof (sv_maj_t));
-}
-
-
-/*
- * Walker for an sv gclient chain.
- * A global walk is assumed to start at sv_gclients.
- */
-
-static int
-sv_gclient_winit(mdb_walk_state_t *wsp)
-{
-	if (wsp->walk_addr == NULL &&
-	    mdb_readvar(&wsp->walk_addr, "sv_gclients") == -1) {
-		mdb_warn("unable to read 'sv_gclients'");
-		return (WALK_ERR);
-	}
-
-	wsp->walk_data = mdb_zalloc(sizeof (sv_gclient_t), UM_SLEEP);
-
-	return (WALK_NEXT);
-}
-
-
-static int
-sv_gclient_wstep(mdb_walk_state_t *wsp)
-{
-	int status;
-
-	if (wsp->walk_addr == NULL)
-		return (WALK_DONE);
-
-	if (mdb_vread(wsp->walk_data,
-	    sizeof (sv_gclient_t), wsp->walk_addr) == -1) {
-		mdb_warn("failed to read sv_gclient at %p", wsp->walk_addr);
-		return (WALK_DONE);
-	}
-
-	status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
-	    wsp->walk_cbdata);
-
-	wsp->walk_addr = (uintptr_t)(((sv_gclient_t *)wsp->walk_data)->sg_next);
-	return (status);
-}
-
-
-static void
-sv_gclient_wfini(mdb_walk_state_t *wsp)
-{
-	mdb_free(wsp->walk_data, sizeof (sv_gclient_t));
-}
-
-
-/*
- * Display a single sv_glcient_t structure.
- * If called with no address, performs a global walk of all sv_gclients.
- */
-static int
-sv_gclient(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
-{
-	sv_gclient_t sg;
-	char name[64];
-
-	if (argc != 0)
-		return (DCMD_USAGE);
-
-	if (!(flags & DCMD_ADDRSPEC)) {
-		/*
-		 * paranoid mode on: qualify walker name with module name
-		 * using '`' syntax.
-		 */
-		if (mdb_walk_dcmd("sv`sv_gclient",
-		    "sv`sv_gclient", argc, argv) == -1) {
-			mdb_warn("failed to walk 'sv_gclient'");
-			return (DCMD_ERR);
-		}
-		return (DCMD_OK);
-	}
-
-	if (mdb_vread(&sg, sizeof (sg), addr) != sizeof (sg)) {
-		mdb_warn("failed to read sv_gclient at %p", addr);
-		return (DCMD_ERR);
-	}
-
-	if (DCMD_HDRSPEC(flags)) {
-		mdb_printf("%-?s  %8T%-?s  %8T%-16s  %8T%s\n",
-		    "ADDR", "NEXT", "ID", "NAME");
-	}
-
-	if (mdb_readstr(name, sizeof (name), (uintptr_t)sg.sg_name) == -1) {
-		mdb_warn("failed to read sv_gclient name at %p", addr);
-		return (DCMD_ERR);
-	}
-
-	mdb_printf("%p  %8T%p  %8T%llx  %8T%s",
-	    addr, sg.sg_next, sg.sg_id, name);
-
-	return (DCMD_OK);
-}
-
-
-/*
- * Display a single sv_maj_t structure.
- * If called with no address, performs a global walk of all sv_majs.
- * -a : all (i.e. display all devices, even if disabled
- * -v : verbose
- */
-static int
-sv_maj(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
-{
-	sv_maj_t *maj;
-	int a_opt, v_opt;
-	int i;
-
-	a_opt = v_opt = FALSE;
-
-	if (mdb_getopts(argc, argv,
-	    'a', MDB_OPT_SETBITS, TRUE, &a_opt,
-	    'v', MDB_OPT_SETBITS, TRUE, &v_opt) != argc)
-		return (DCMD_USAGE);
-
-	if (!(flags & DCMD_ADDRSPEC)) {
-		/*
-		 * paranoid mode on: qualify walker name with module name
-		 * using '`' syntax.
-		 */
-		if (mdb_walk_dcmd("sv`sv_maj", "sv`sv_maj", argc, argv) == -1) {
-			mdb_warn("failed to walk 'sv_maj'");
-			return (DCMD_ERR);
-		}
-		return (DCMD_OK);
-	}
-
-	if (DCMD_HDRSPEC(flags)) {
-		mdb_printf("%-?s  %8T%s\n", "ADDR", "INUSE");
-	}
-
-	maj = mdb_zalloc(sizeof (*maj), UM_GC);
-	if (mdb_vread(maj, sizeof (*maj), addr) != sizeof (*maj)) {
-		mdb_warn("failed to read sv_maj at %p", addr);
-		return (DCMD_ERR);
-	}
-
-	if (!a_opt && maj->sm_inuse == 0)
-		return (DCMD_OK);
-
-	mdb_printf("%?p  %8T%d\n", addr, maj->sm_inuse);
-
-	if (!v_opt)
-		return (DCMD_OK);
-
-	/*
-	 * verbose - print the rest of the structure as well.
-	 */
-
-	mdb_inc_indent(4);
-	mdb_printf("\n");
-
-	mdb_printf("dev_ops: %a (%p)\n", maj->sm_dev_ops, maj->sm_dev_ops);
-	mdb_printf("flag: %08x %8Tsequence: %d %8Tmajor: %d\n",
-		maj->sm_flag, maj->sm_seq, maj->sm_major);
-
-	mdb_printf("function pointers:\n");
-	mdb_inc_indent(4);
-	mdb_printf("%-20a%-20a%\n%-20a%-20a%\n%-20a%-20a%\n%-20a%-20a%\n",
-		maj->sm_open, maj->sm_close,
-		maj->sm_read, maj->sm_write,
-		maj->sm_aread, maj->sm_awrite,
-		maj->sm_strategy, maj->sm_ioctl);
-	mdb_dec_indent(4);
-
-
-	mdb_printf("hash chain:\n");
-	mdb_inc_indent(4);
-	for (i = 0; i < SV_MINOR_HASH_CNT; i++) {
-		mdb_printf("%?p", maj->sm_hash[i]);
-		mdb_printf(((i % 4) == 3) ? "\n" : " %8T");
-	}
-	mdb_printf("\n\n");
-	mdb_dec_indent(4);
-	mdb_dec_indent(4);
-	return (DCMD_OK);
-}
-
-
-/*
- * Display a sv_dev_t hash chain.
- * Requires an address.
- * Same options as sv_dev().
- */
-static int
-sv_hash(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
-{
-	if (!(flags & DCMD_ADDRSPEC))
-		return (DCMD_USAGE);
-
-	/*
-	 * paranoid mode on: qualify walker name with module name
-	 * using '`' syntax.
-	 */
-	if (mdb_pwalk_dcmd("sv`sv_hash", "sv`sv_dev", argc, argv, addr) == -1) {
-		mdb_warn("failed to walk sv_dev hash chain");
-		return (DCMD_ERR);
-	}
-
-	return (DCMD_OK);
-}
-
-
-/*
- * Display a single sv_dev_t structure.
- * If called with no address, performs a global walk of all sv_devs.
- * -a : all (i.e. display all devices, even if disabled
- * -v : verbose
- */
-
-const mdb_bitmask_t sv_flag_bits[] = {
-	{ "NSC_DEVICE", NSC_DEVICE, NSC_DEVICE },
-	{ "NSC_CACHE", NSC_CACHE, NSC_CACHE },
-	{ NULL, 0, 0 }
-};
-
-static int
-sv_dev(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
-{
-	sv_dev_t *svp;
-	int a_opt, v_opt;
-	int dev_t_chars;
-
-	a_opt = v_opt = FALSE;
-	dev_t_chars = sizeof (dev_t) * 2;	/* # chars to display dev_t */
-
-	if (mdb_getopts(argc, argv,
-	    'a', MDB_OPT_SETBITS, TRUE, &a_opt,
-	    'v', MDB_OPT_SETBITS, TRUE, &v_opt) != argc)
-		return (DCMD_USAGE);
-
-	svp = mdb_zalloc(sizeof (*svp), UM_GC);
-
-	if (!(flags & DCMD_ADDRSPEC)) {
-		/*
-		 * paranoid mode on: qualify walker name with module name
-		 * using '`' syntax.
-		 */
-		if (mdb_walk_dcmd("sv`sv_dev", "sv`sv_dev", argc, argv) == -1) {
-			mdb_warn("failed to walk 'sv_dev'");
-			return (DCMD_ERR);
-		}
-		return (DCMD_OK);
-	}
-
-	if (DCMD_HDRSPEC(flags)) {
-		mdb_printf("%-?s  %8T%-*s  %8T%s\n", "ADDR",
-		    dev_t_chars, "DEV", "STATE");
-	}
-
-	if (mdb_vread(svp, sizeof (*svp), addr) != sizeof (*svp)) {
-		mdb_warn("failed to read sv_dev at %p", addr);
-		return (DCMD_ERR);
-	}
-
-	if (!a_opt && svp->sv_state == SV_DISABLE)
-		return (DCMD_OK);
-
-	mdb_printf("%?p  %8T%0*lx  %8T", addr, dev_t_chars, svp->sv_dev);
-
-	if (svp->sv_state == SV_DISABLE)
-		mdb_printf("disabled");
-	else if (svp->sv_state == SV_PENDING)
-		mdb_printf("pending");
-	else if (svp->sv_state == SV_ENABLE)
-		mdb_printf("enabled");
-
-	mdb_printf("\n");
-
-	if (!v_opt)
-		return (DCMD_OK);
-
-	/*
-	 * verbose - print the rest of the structure as well.
-	 */
-
-	mdb_inc_indent(4);
-	mdb_printf("\n");
-
-	mdb_printf("hash chain: 0x%p  %8Tlock: 0x%p  %8Tolock: 0x%p\n",
-	    svp->sv_hash,
-	    addr + OFFSETOF(sv_dev_t, sv_lock),
-	    addr + OFFSETOF(sv_dev_t, sv_olock));
-
-	mdb_printf("fd: 0x%p  %8T\n", svp->sv_fd);
-
-	mdb_printf("maxfbas: %d  %8Tnblocks: %d  %8Tstate: %d\n",
-	    svp->sv_maxfbas, svp->sv_nblocks, svp->sv_state);
-
-	mdb_printf("gclients: 0x%llx  %8Tgkernel: 0x%llx\n",
-	    svp->sv_gclients, svp->sv_gkernel);
-
-	mdb_printf("openlcnt: %d  %8Ttimestamp: 0x%lx\n",
-	    svp->sv_openlcnt, svp->sv_timestamp);
-
-	mdb_printf("flags: 0x%08x <%b>\n",
-	    svp->sv_flag, svp->sv_flag, sv_flag_bits);
-
-	mdb_printf("lh: 0x%p  %8Tpending: 0x%p\n",
-	    svp->sv_lh, svp->sv_pending);
-
-	mdb_dec_indent(4);
-	return (DCMD_OK);
-}
-
-
-/*
- * Display general sv module information.
- */
-
-#define	sv_get_print(kvar, str, fmt, val)		\
-	if (mdb_readvar(&(val), #kvar) == -1) {		\
-		mdb_dec_indent(4);			\
-		mdb_warn("unable to read '" #kvar "'");	\
-		return (DCMD_ERR);			\
-	}						\
-	mdb_printf("%-20s" fmt "\n", str ":", val)
-
-/* ARGSUSED */
-static int
-sv(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
-{
-	clock_t clock;
-	int maj, min, mic, baseline, i;
-
-	if (argc != 0)
-		return (DCMD_USAGE);
-
-	if (mdb_readvar(&maj, "sv_major_rev") == -1) {
-		mdb_warn("unable to read 'sv_major_rev'");
-		return (DCMD_ERR);
-	}
-
-	if (mdb_readvar(&min, "sv_minor_rev") == -1) {
-		mdb_warn("unable to read 'sv_minor_rev'");
-		return (DCMD_ERR);
-	}
-
-	if (mdb_readvar(&mic, "sv_micro_rev") == -1) {
-		mdb_warn("unable to read 'sv_micro_rev'");
-		return (DCMD_ERR);
-	}
-
-	if (mdb_readvar(&baseline, "sv_baseline_rev") == -1) {
-		mdb_warn("unable to read 'sv_baseline_rev'");
-		return (DCMD_ERR);
-	}
-
-	mdb_printf("SV module version: kernel %d.%d.%d.%d; mdb %d.%d.%d.%d\n",
-	    maj, min, mic, baseline,
-	    ISS_VERSION_MAJ, ISS_VERSION_MIN, ISS_VERSION_MIC, ISS_VERSION_NUM);
-	mdb_inc_indent(4);
-
-	sv_get_print(sv_config_time, "last config time", "0x%lx", clock);
-	sv_get_print(sv_stats_on, "stats on", "%d", i);
-	sv_get_print(sv_debug, "debug", "%d", i);
-	sv_get_print(sv_max_devices, "max sv devices", "%d", i);
-
-	mdb_dec_indent(4);
-	return (DCMD_OK);
-}
-
-
-/*
- * MDB module linkage information:
- */
-
-static const mdb_dcmd_t dcmds[] = {
-	{ "sv", NULL, "display sv module info", sv },
-	{ "sv_dev", "?[-av]", "list sv_dev structure", sv_dev },
-	{ "sv_gclient", "?", "list sv_gclient structure", sv_gclient },
-	{ "sv_hash", ":[-av]", "display sv_dev hash chain", sv_hash },
-	{ "sv_maj", "?[-av]", "list sv_maj structure", sv_maj },
-	{ NULL }
-};
-
-
-static const mdb_walker_t walkers[] = {
-	{ "sv_dev", "walk array of sv_dev structures",
-	    sv_dev_winit, sv_dev_wstep, sv_dev_wfini },
-	{ "sv_gclient", "walk sb_gclient chain",
-	    sv_gclient_winit, sv_gclient_wstep, sv_gclient_wfini },
-	{ "sv_hash", "walk sv_dev hash chain",
-	    sv_hash_winit, sv_hash_wstep, sv_hash_wfini },
-	{ "sv_maj", "walk array of sv_maj structures",
-	    sv_maj_winit, sv_maj_wstep, sv_maj_wfini },
-	{ NULL }
-};
-
-
-static const mdb_modinfo_t modinfo = {
-	MDB_API_VERSION, dcmds, walkers
-};
-
-
-const mdb_modinfo_t *
-_mdb_init(void)
-{
-	return (&modinfo);
-}
