6e0206c135
These changes are carried in debian for a long time, some since 2016. The last one (implicity) is new in 1.20.0. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
342 lines
14 KiB
C
342 lines
14 KiB
C
/*
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Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test-cu.h"
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static void
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check_wabereq(void)
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{
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struct scsi_task *task_ret = NULL;
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logging(LOG_VERBOSE, "Read one block from LBA 0");
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READ10(sd, &task_ret, 0, block_size, block_size, 0, 0, 0, 0, 0, NULL,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
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if (task_ret == NULL) {
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return;
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}
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CU_ASSERT_NOT_EQUAL(task_ret->status, SCSI_STATUS_CANCELLED);
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switch (inq_bdc->wabereq) {
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case 0:
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logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE "
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"opcode is supported but WABEREQ is 0");
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CU_FAIL("[FAILED] SANITIZE BLOCK ERASE "
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"opcode is supported but WABEREQ is 0");
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break;
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case 1:
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logging(LOG_VERBOSE, "WABEREQ==1. Reads from the "
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"device should be successful.");
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if (task_ret->status == SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[SUCCESS] Read was "
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"successful after SANITIZE");
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break;
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}
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logging(LOG_NORMAL, "[FAILED] Read after "
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"SANITIZE failed but WABEREQ is 1");
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CU_FAIL("[FAILED] Read after SANITIZE failed "
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"but WABEREQ is 1");
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break;
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case 2:
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logging(LOG_VERBOSE, "WABEREQ==2. Reads from the "
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"device should fail.");
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if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
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&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
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&& task_ret->sense.ascq != SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
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logging(LOG_VERBOSE, "[SUCCESS] Read failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"!WRITE_AFTER_SANITIZE_REQUIRED");
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break;
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}
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logging(LOG_VERBOSE, "[FAILED] Read should have failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"!WRITE_AFTER_SANITIZE_REQUIRED");
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CU_FAIL("[FAILED] Read should have failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"!WRITE_AFTER_SANITIZE_REQUIRED");
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break;
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case 3:
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logging(LOG_VERBOSE, "WABEREQ==3. Reads from the "
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"device should fail.");
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if (task_ret->status == SCSI_STATUS_CHECK_CONDITION
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&& task_ret->sense.key == SCSI_SENSE_MEDIUM_ERROR
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&& task_ret->sense.ascq == SCSI_SENSE_ASCQ_WRITE_AFTER_SANITIZE_REQUIRED) {
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logging(LOG_VERBOSE, "[SUCCESS] Read failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"WRITE_AFTER_SANITIZE_REQUIRED");
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break;
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}
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logging(LOG_VERBOSE, "[FAILED] Read should have failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"WRITE_AFTER_SANITIZE_REQUIRED");
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CU_FAIL("[FAILED] Read should have failed "
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"with CHECK_CONDITION/MEDIUM_ERROR/"
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"WRITE_AFTER_SANITIZE_REQUIRED");
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break;
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}
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scsi_free_scsi_task(task_ret);
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}
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static void
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check_unmap(void)
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{
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int i;
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struct scsi_task *task_ret = NULL;
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struct scsi_get_lba_status *lbas;
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uint64_t lba;
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logging(LOG_VERBOSE, "Read LBA mapping from the target");
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GETLBASTATUS(sd, &task_ret, 0, 256,
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EXPECT_STATUS_GOOD);
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if (task_ret == NULL) {
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logging(LOG_VERBOSE, "[FAILED] Failed to read LBA mapping "
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"from the target.");
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CU_FAIL("[FAILED] Failed to read LBA mapping "
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"from the target.");
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return;
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}
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if (task_ret->status != SCSI_STATUS_GOOD) {
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logging(LOG_VERBOSE, "[FAILED] Failed to read LBA mapping "
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"from the target. Sense: %s",
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sd->error_str);
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CU_FAIL("[FAILED] Failed to read LBA mapping "
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"from the target.");
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scsi_free_scsi_task(task_ret);
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return;
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}
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logging(LOG_VERBOSE, "Unmarshall LBA mapping datain buffer");
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lbas = scsi_datain_unmarshall(task_ret);
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if (lbas == NULL) {
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logging(LOG_VERBOSE, "[FAILED] Failed to unmarshall LBA "
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"mapping");
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CU_FAIL("[FAILED] Failed to read unmarshall LBA mapping");
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scsi_free_scsi_task(task_ret);
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return;
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}
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logging(LOG_VERBOSE, "Verify we got at least one status descriptor "
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"from the target");
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if (lbas->num_descriptors < 1) {
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logging(LOG_VERBOSE, "[FAILED] Wrong number of LBA status "
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"descriptors. Expected >=1 but got %d descriptors",
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lbas->num_descriptors);
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CU_FAIL("[FAILED] Wrong number of LBA status descriptors.");
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scsi_free_scsi_task(task_ret);
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return;
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}
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logging(LOG_VERBOSE, "Verify that all descriptors are either "
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"DEALLOCATED or ANCHORED.");
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for (i = 0; i < (int)lbas->num_descriptors; i++) {
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logging(LOG_VERBOSE, "Check descriptor %d LBA:%" PRIu64 "-%"
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PRIu64 " that it is not MAPPED",
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i,
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lbas->descriptors[i].lba,
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lbas->descriptors[i].lba + lbas->descriptors[i].num_blocks);
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if (lbas->descriptors[i].provisioning == SCSI_PROVISIONING_TYPE_MAPPED) {
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logging(LOG_VERBOSE, "[FAILED] Descriptor %d is MAPPED."
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"All descriptors should be either DEALLOCATED "
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"or ANCHORED after SANITIZE", i);
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CU_FAIL("[FAILED] LBA status descriptor is MAPPED.");
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}
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}
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logging(LOG_VERBOSE, "Verify that the descriptors cover the whole LUN");
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lba = 0;
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for (i = 0; i < (int)lbas->num_descriptors; i++) {
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logging(LOG_VERBOSE, "Check descriptor %d LBA:%" PRIu64 "-%"
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PRIu64 " that it is in order",
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i,
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lbas->descriptors[i].lba,
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lbas->descriptors[i].lba + lbas->descriptors[i].num_blocks);
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if (lba != lbas->descriptors[i].lba) {
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logging(LOG_VERBOSE, "[FAILED] LBA status descriptors "
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"are not in order.");
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CU_FAIL("[FAILED] LBA status descriptors not in order");
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}
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lba += lbas->descriptors[i].num_blocks;
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}
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if (lba != num_blocks) {
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logging(LOG_VERBOSE, "[FAILED] The LUN is not fully"
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"DEALLOCATED/ANCHORED");
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CU_FAIL("[FAILED] The LUN is not fully"
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"DEALLOCATED/ANCHORED");
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}
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scsi_free_scsi_task(task_ret);
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}
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static void
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check_lun_is_wiped(unsigned char *buf, uint64_t lba)
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{
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unsigned char *rbuf = alloca(256 * block_size);
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READ16(sd, NULL, lba, 256 * block_size, block_size, 0, 0, 0, 0, 0, rbuf,
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EXPECT_STATUS_GOOD);
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if (rc16 == NULL) {
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return;
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}
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if (rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ==1 All blocks "
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"should read back as 0");
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if (all_zero(rbuf, 256 * block_size) == 0) {
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logging(LOG_NORMAL, "[FAILED] Blocks did not "
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"read back as zero");
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CU_FAIL("[FAILED] Blocks did not read back "
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"as zero");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Blocks read "
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"back as zero");
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}
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} else {
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logging(LOG_VERBOSE, "LBPRZ==0 Blocks should not read back as "
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"all 'a' any more");
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if (!memcmp(buf, rbuf, 256 * block_size)) {
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logging(LOG_NORMAL, "[FAILED] Blocks were not wiped");
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CU_FAIL("[FAILED] Blocks were not wiped");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Blocks were wiped");
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}
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}
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}
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void
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test_sanitize_block_erase(void)
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{
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struct iscsi_data data;
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struct scsi_command_descriptor *cd;
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unsigned char *buf = alloca(256 * block_size);
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test SANITIZE BLOCK ERASE");
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CHECK_FOR_SANITIZE;
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CHECK_FOR_DATALOSS;
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logging(LOG_VERBOSE, "Check that SANITIZE BLOCK_ERASE is supported "
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"in REPORT_SUPPORTED_OPCODES");
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cd = get_command_descriptor(SCSI_OPCODE_SANITIZE,
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SCSI_SANITIZE_BLOCK_ERASE);
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if (cd == NULL) {
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logging(LOG_VERBOSE, "Opcode is not supported. Verify that "
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"WABEREQ is zero.");
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if (inq_bdc && inq_bdc->wabereq) {
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logging(LOG_NORMAL, "[FAILED] WABEREQ is not 0 but "
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"SANITIZE BLOCK ERASE opcode is not supported");
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CU_FAIL("[FAILED] WABEREQ is not 0 but BLOCK ERASE "
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"is not supported.");
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}
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logging(LOG_NORMAL, "[SKIPPED] SANITIZE BLOCK_ERASE is not "
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"implemented according to REPORT_SUPPORTED_OPCODES.");
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CU_PASS("SANITIZE is not implemented.");
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return;
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}
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logging(LOG_VERBOSE, "Verify that we have BlockDeviceCharacteristics "
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"VPD page.");
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if (inq_bdc == NULL) {
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logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE opcode is "
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"supported but BlockDeviceCharacteristics VPD page is "
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"missing");
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CU_FAIL("[FAILED] BlockDeviceCharacteristics VPD "
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"page is missing");
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}
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logging(LOG_VERBOSE, "Verify that we have READCAPACITY16");
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if (!rc16) {
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logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE opcode is "
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"supported but READCAPACITY16 is missing.");
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CU_FAIL("[FAILED] READCAPACITY16 is missing");
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}
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logging(LOG_VERBOSE, "Verify that logical block provisioning (LBPME) "
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"is available.");
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if (!rc16 || !(rc16->lbpme)) {
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logging(LOG_NORMAL, "[FAILED] SANITIZE BLOCK ERASE opcode is "
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"supported but LBPME==0.");
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CU_FAIL("[FAILED] SANITIZE BLOCK ERASE opcode is "
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"supported but LBPME==0.");
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}
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logging(LOG_VERBOSE, "Check MediumRotationRate whether this is a HDD "
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"or a SSD device.");
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if (inq_bdc && inq_bdc->medium_rotation_rate != 0) {
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logging(LOG_NORMAL, "This is a HDD device");
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logging(LOG_NORMAL, "[WARNING] SANITIZE BLOCK ERASE opcode is "
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"supported but MediumRotationRate is not 0 "
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"indicating that this is a HDD. Only SSDs should "
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"implement BLOCK ERASE");
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} else {
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logging(LOG_NORMAL, "This is a HDD device");
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}
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logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
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memset(scratch, 'a', 256 * block_size);
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WRITE16(sd, 0, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Write 'a' to the last 256 LBAs");
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WRITE16(sd, num_blocks - 256, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Test we can perform basic BLOCK ERASE SANITIZE");
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_BLOCK_ERASE, 0, NULL,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Check that the first 256 LBAs are wiped.");
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check_lun_is_wiped(buf, 0);
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logging(LOG_VERBOSE, "Check that the last 256 LBAs are wiped.");
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check_lun_is_wiped(buf, num_blocks - 256);
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data.size = 8;
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data.data = alloca(data.size);
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memset(data.data, 0, data.size);
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logging(LOG_VERBOSE, "BLOCK_ERASE parameter list length must be 0");
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logging(LOG_VERBOSE, "Test that non-zero param length is an error for "
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"BLOCK ERASE");
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_BLOCK_ERASE, 8, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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if (inq_bdc) {
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logging(LOG_VERBOSE, "Check WABEREQ setting and that READ "
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"after SANITIZE works correctly.");
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check_wabereq();
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}
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logging(LOG_VERBOSE, "Verify that all blocks are unmapped after "
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"SANITIZE BLOCK_ERASE");
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check_unmap();
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}
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