1 files changed, 0 insertions, 352 deletions
diff --git a/lib/libzfs/os/linux/libzfs_pool_os.c b/lib/libzfs/os/linux/libzfs_pool_os.c
deleted file mode 100644
index aef169a3f880..000000000000
--- a/lib/libzfs/os/linux/libzfs_pool_os.c
+++ /dev/null
@@ -1,352 +0,0 @@
-// SPDX-License-Identifier: CDDL-1.0
-/*
- * 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 https://opensource.org/licenses/CDDL-1.0.
- * 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 2015 Nexenta Systems, Inc.  All rights reserved.
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
- * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>
- * Copyright (c) 2018 Datto Inc.
- * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
- * Copyright (c) 2017, Intel Corporation.
- * Copyright (c) 2018, loli10K <ezomori.nozomu@gmail.com>
- */
-
-#include <errno.h>
-#include <libintl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <libgen.h>
-#include <zone.h>
-#include <sys/stat.h>
-#include <sys/efi_partition.h>
-#include <sys/systeminfo.h>
-#include <sys/zfs_ioctl.h>
-#include <sys/vdev_disk.h>
-#include <dlfcn.h>
-#include <libzutil.h>
-
-#include "zfs_namecheck.h"
-#include "zfs_prop.h"
-#include "../../libzfs_impl.h"
-#include "zfs_comutil.h"
-#include "zfeature_common.h"
-
-/*
- * If the device has being dynamically expanded then we need to relabel
- * the disk to use the new unallocated space.
- */
-int
-zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg)
-{
-	int fd, error;
-
-	if ((fd = open(path, O_RDWR|O_DIRECT|O_CLOEXEC)) < 0) {
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
-		    "relabel '%s': unable to open device: %d"), path, errno);
-		return (zfs_error(hdl, EZFS_OPENFAILED, msg));
-	}
-
-	/*
-	 * It's possible that we might encounter an error if the device
-	 * does not have any unallocated space left. If so, we simply
-	 * ignore that error and continue on.
-	 */
-	error = efi_use_whole_disk(fd);
-
-	/* Flush the buffers to disk and invalidate the page cache. */
-	(void) fsync(fd);
-	(void) ioctl(fd, BLKFLSBUF);
-
-	(void) close(fd);
-	if (error && error != VT_ENOSPC) {
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
-		    "relabel '%s': unable to read disk capacity"), path);
-		return (zfs_error(hdl, EZFS_NOCAP, msg));
-	}
-	return (0);
-}
-
-/*
- * Read the EFI label from the config, if a label does not exist then
- * pass back the error to the caller. If the caller has passed a non-NULL
- * diskaddr argument then we set it to the starting address of the EFI
- * partition.
- */
-static int
-read_efi_label(nvlist_t *config, diskaddr_t *sb)
-{
-	const char *path;
-	int fd;
-	char diskname[MAXPATHLEN];
-	int err = -1;
-
-	if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0)
-		return (err);
-
-	(void) snprintf(diskname, sizeof (diskname), "%s%s", DISK_ROOT,
-	    strrchr(path, '/'));
-	if ((fd = open(diskname, O_RDONLY|O_DIRECT|O_CLOEXEC)) >= 0) {
-		struct dk_gpt *vtoc;
-
-		if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) {
-			if (sb != NULL)
-				*sb = vtoc->efi_parts[0].p_start;
-			efi_free(vtoc);
-		}
-		(void) close(fd);
-	}
-	return (err);
-}
-
-/*
- * determine where a partition starts on a disk in the current
- * configuration
- */
-static diskaddr_t
-find_start_block(nvlist_t *config)
-{
-	nvlist_t **child;
-	uint_t c, children;
-	diskaddr_t sb = MAXOFFSET_T;
-	uint64_t wholedisk;
-
-	if (nvlist_lookup_nvlist_array(config,
-	    ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) {
-		if (nvlist_lookup_uint64(config,
-		    ZPOOL_CONFIG_WHOLE_DISK,
-		    &wholedisk) != 0 || !wholedisk) {
-			return (MAXOFFSET_T);
-		}
-		if (read_efi_label(config, &sb) < 0)
-			sb = MAXOFFSET_T;
-		return (sb);
-	}
-
-	for (c = 0; c < children; c++) {
-		sb = find_start_block(child[c]);
-		if (sb != MAXOFFSET_T) {
-			return (sb);
-		}
-	}
-	return (MAXOFFSET_T);
-}
-
-static int
-zpool_label_disk_check(char *path)
-{
-	struct dk_gpt *vtoc;
-	int fd, err;
-
-	if ((fd = open(path, O_RDONLY|O_DIRECT|O_CLOEXEC)) < 0)
-		return (errno);
-
-	if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) {
-		(void) close(fd);
-		return (err);
-	}
-
-	if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) {
-		efi_free(vtoc);
-		(void) close(fd);
-		return (EIDRM);
-	}
-
-	efi_free(vtoc);
-	(void) close(fd);
-	return (0);
-}
-
-/*
- * Generate a unique partition name for the ZFS member.  Partitions must
- * have unique names to ensure udev will be able to create symlinks under
- * /dev/disk/by-partlabel/ for all pool members.  The partition names are
- * of the form <pool>-<unique-id>.
- */
-static void
-zpool_label_name(char *label_name, int label_size)
-{
-	uint64_t id = 0;
-	int fd;
-
-	fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC);
-	if (fd >= 0) {
-		if (read(fd, &id, sizeof (id)) != sizeof (id))
-			id = 0;
-
-		close(fd);
-	}
-
-	if (id == 0)
-		id = (((uint64_t)rand()) << 32) | (uint64_t)rand();
-
-	snprintf(label_name, label_size, "zfs-%016llx", (u_longlong_t)id);
-}
-
-/*
- * Label an individual disk.  The name provided is the short name,
- * stripped of any leading /dev path.
- */
-int
-zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, const char *name)
-{
-	char path[MAXPATHLEN];
-	struct dk_gpt *vtoc;
-	int rval, fd;
-	size_t resv = EFI_MIN_RESV_SIZE;
-	uint64_t slice_size;
-	diskaddr_t start_block;
-	char errbuf[ERRBUFLEN];
-
-	/* prepare an error message just in case */
-	(void) snprintf(errbuf, sizeof (errbuf),
-	    dgettext(TEXT_DOMAIN, "cannot label '%s'"), name);
-
-	if (zhp) {
-		nvlist_t *nvroot = fnvlist_lookup_nvlist(zhp->zpool_config,
-		    ZPOOL_CONFIG_VDEV_TREE);
-
-		if (zhp->zpool_start_block == 0)
-			start_block = find_start_block(nvroot);
-		else
-			start_block = zhp->zpool_start_block;
-		zhp->zpool_start_block = start_block;
-	} else {
-		/* new pool */
-		start_block = NEW_START_BLOCK;
-	}
-
-	(void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
-
-	if ((fd = open(path, O_RDWR|O_DIRECT|O_EXCL|O_CLOEXEC)) < 0) {
-		/*
-		 * This shouldn't happen.  We've long since verified that this
-		 * is a valid device.
-		 */
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
-		    "label '%s': unable to open device: %d"), path, errno);
-		return (zfs_error(hdl, EZFS_OPENFAILED, errbuf));
-	}
-
-	if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) {
-		/*
-		 * The only way this can fail is if we run out of memory, or we
-		 * were unable to read the disk's capacity
-		 */
-		if (errno == ENOMEM)
-			(void) no_memory(hdl);
-
-		(void) close(fd);
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
-		    "label '%s': unable to read disk capacity"), path);
-
-		return (zfs_error(hdl, EZFS_NOCAP, errbuf));
-	}
-
-	slice_size = vtoc->efi_last_u_lba + 1;
-	slice_size -= EFI_MIN_RESV_SIZE;
-	if (start_block == MAXOFFSET_T)
-		start_block = NEW_START_BLOCK;
-	slice_size -= start_block;
-	slice_size = P2ALIGN_TYPED(slice_size, PARTITION_END_ALIGNMENT,
-	    uint64_t);
-
-	vtoc->efi_parts[0].p_start = start_block;
-	vtoc->efi_parts[0].p_size = slice_size;
-
-	if (vtoc->efi_parts[0].p_size * vtoc->efi_lbasize < SPA_MINDEVSIZE) {
-		(void) close(fd);
-		efi_free(vtoc);
-
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
-		    "label '%s': partition would be less than the minimum "
-		    "device size (64M)"), path);
-		return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
-	}
-
-	/*
-	 * Why we use V_USR: V_BACKUP confuses users, and is considered
-	 * disposable by some EFI utilities (since EFI doesn't have a backup
-	 * slice).  V_UNASSIGNED is supposed to be used only for zero size
-	 * partitions, and efi_write() will fail if we use it.
-	 * Other available types were all pretty specific.
-	 * V_USR is as close to reality as we
-	 * can get, in the absence of V_OTHER.
-	 */
-	vtoc->efi_parts[0].p_tag = V_USR;
-	zpool_label_name(vtoc->efi_parts[0].p_name, EFI_PART_NAME_LEN);
-
-	vtoc->efi_parts[8].p_start = slice_size + start_block;
-	vtoc->efi_parts[8].p_size = resv;
-	vtoc->efi_parts[8].p_tag = V_RESERVED;
-
-	rval = efi_write(fd, vtoc);
-
-	/* Flush the buffers to disk and invalidate the page cache. */
-	(void) fsync(fd);
-	(void) ioctl(fd, BLKFLSBUF);
-
-	if (rval == 0)
-		rval = efi_rescan(fd);
-
-	/*
-	 * Some block drivers (like pcata) may not support EFI GPT labels.
-	 * Print out a helpful error message directing the user to manually
-	 * label the disk and give a specific slice.
-	 */
-	if (rval != 0) {
-		(void) close(fd);
-		efi_free(vtoc);
-
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "try using "
-		    "parted(8) and then provide a specific slice: %d"), rval);
-		return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
-	}
-
-	(void) close(fd);
-	efi_free(vtoc);
-
-	(void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
-	(void) zfs_append_partition(path, MAXPATHLEN);
-
-	/* Wait to udev to signal use the device has settled. */
-	rval = zpool_label_disk_wait(path, DISK_LABEL_WAIT);
-	if (rval) {
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "failed to "
-		    "detect device partitions on '%s': %d"), path, rval);
-		return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
-	}
-
-	/* We can't be to paranoid.  Read the label back and verify it. */
-	(void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name);
-	rval = zpool_label_disk_check(path);
-	if (rval) {
-		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "freshly written "
-		    "EFI label on '%s' is damaged.  Ensure\nthis device "
-		    "is not in use, and is functioning properly: %d"),
-		    path, rval);
-		return (zfs_error(hdl, EZFS_LABELFAILED, errbuf));
-	}
-	return (0);
-}