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