136 lines
5.9 KiB
C
136 lines
5.9 KiB
C
/*
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Copyright (C) 2015 by Ronnie Sahlberg <sahlberg@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 <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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void
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test_writeatomic16_vpd(void)
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{
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int ret;
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struct scsi_inquiry_block_limits *bl;
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struct scsi_task *bl_task = NULL;
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int gran;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test WRITEATOMIC16 VPD data");
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CHECK_FOR_SBC;
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CHECK_FOR_DATALOSS;
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logging(LOG_VERBOSE, "Block device. Verify that we can read Block "
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"Limits VPD");
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ret = inquiry(sd, &bl_task,
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1, SCSI_INQUIRY_PAGECODE_BLOCK_LIMITS, 255,
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EXPECT_STATUS_GOOD);
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CU_ASSERT_EQUAL(ret, 0);
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if (ret != 0) {
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logging(LOG_NORMAL, "[FAILURE] failed to read Block Limits VDP");
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CU_FAIL("[FAILURE] failed to read Block Limits VDP");
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goto finished;
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}
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bl = scsi_datain_unmarshall(bl_task);
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if (bl == NULL) {
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logging(LOG_NORMAL, "[FAILURE] failed to unmarshall Block Limits VDP");
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CU_FAIL("[FAILURE] failed to unmarshall Block Limits VDP");
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goto finished;
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}
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logging(LOG_VERBOSE, "Check if WRITEATOMIC16 is supported");
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gran = inq_bl->atomic_gran ? inq_bl->atomic_gran : 1;
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memset(scratch , 0x00, block_size * gran);
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ret = writeatomic16(sd, 0, block_size * gran,
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block_size, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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if (ret == -2) {
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logging(LOG_VERBOSE, "WRITEATOMIC16 is NOT supported by the target.");
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logging(LOG_VERBOSE, "Verify that MAXIMUM_ATOMIC_TRANSFER_LENGTH is zero");
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if (bl->max_atomic_xfer_len) {
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logging(LOG_VERBOSE, "MAXIMUM_ATOMIC_TRANSFER_LENGTH is non-zero but target does not support ATOMICWRITE16");
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CU_FAIL("MAXIMUM_ATOMIC_TRANSFER_LENGTH is non-zero but target does not support ATOMICWRITE16");
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}
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logging(LOG_VERBOSE, "Verify that ATOMIC_ALIGNMENT is zero");
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if (bl->atomic_align) {
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logging(LOG_VERBOSE, "ATOMIC_ALIGNMENT is non-zero but target does not support ATOMICWRITE16");
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CU_FAIL("ATOMIC_ALIGNMENT is non-zero but target does not support ATOMICWRITE16");
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}
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logging(LOG_VERBOSE, "Verify that ATOMIC_GRANULARITY is zero");
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if (bl->atomic_gran) {
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logging(LOG_VERBOSE, "ATOMIC_GRANULARITY is non-zero but target does not support ATOMICWRITE16");
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CU_FAIL("ATOMIC_GRANULARITY is non-zero but target does not support ATOMICWRITE16");
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}
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goto finished;
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}
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logging(LOG_VERBOSE, "WRITEATOMIC16 IS supported by the target.");
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logging(LOG_VERBOSE, "Verify that MAXIMUM_ATOMIC_TRANSFER_LENGTH is non-zero");
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if (!bl->max_atomic_xfer_len) {
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logging(LOG_VERBOSE, "[WARNING] MAXIMUM_ATOMIC_TRANSFER_LENGTH is zero but target supports ATOMICWRITE16");
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CU_FAIL("[WARNING] MAXIMUM_ATOMIC_TRANSFER_LENGTH is zero but target supports ATOMICWRITE16");
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}
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logging(LOG_VERBOSE, "Verify that MAXIMUM_ATOMIC_TRANSFER_LENGTH is less than or equal to MAXIMUM_TRANSFER_LENGTH");
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if (bl->max_atomic_xfer_len > bl->max_xfer_len) {
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logging(LOG_VERBOSE, "[FAILED] MAXIMUM_ATOMIC_TRANSFER_LENGTH is greater than MAXIMUM_TRANSFER_LENGTH");
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CU_FAIL("[FAILED] MAXIMUM_ATOMIC_TRANSFER_LENGTH is greater than MAXIMUM_TRANSFER_LENGTH");
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}
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logging(LOG_VERBOSE, "Check handling on misaligned writes");
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if (bl->atomic_align < 2) {
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logging(LOG_VERBOSE, "[SKIPPED] No alignment restrictions on this LUN");
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} else {
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logging(LOG_VERBOSE, "Atomic Write at LBA 1 should fail due to misalignment");
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ret = writeatomic16(sd, 1, block_size * gran,
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block_size, 0, 0, 0, 0, scratch,
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EXPECT_INVALID_FIELD_IN_CDB);
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if (ret) {
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logging(LOG_VERBOSE, "[FAILED] Misaligned write did NOT fail with INVALID_FIELD_IN_CDB");
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CU_FAIL("[FAILED] Misaligned write did NOT fail with INVALID_FIELD_IN_CDB");
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}
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}
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logging(LOG_VERBOSE, "Check handling on invalid granularity");
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if (bl->atomic_gran < 2) {
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logging(LOG_VERBOSE, "[SKIPPED] No granularity restrictions on this LUN");
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} else {
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logging(LOG_VERBOSE, "Atomic Write of 1 block should fail due to invalid granularity");
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ret = writeatomic16(sd, 0, block_size,
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block_size, 0, 0, 0, 0, scratch,
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EXPECT_INVALID_FIELD_IN_CDB);
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if (ret) {
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logging(LOG_VERBOSE, "[FAILED] Misgranularity write did NOT fail with INVALID_FIELD_IN_CDB");
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CU_FAIL("[FAILED] Misgranularity write did NOT fail with INVALID_FIELD_IN_CDB");
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}
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}
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finished:
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scsi_free_scsi_task(bl_task);
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}
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