aboutsummaryrefslogtreecommitdiff
path: root/testing/sg_tst_bidi.c
diff options
context:
space:
mode:
Diffstat (limited to 'testing/sg_tst_bidi.c')
-rw-r--r--testing/sg_tst_bidi.c602
1 files changed, 602 insertions, 0 deletions
diff --git a/testing/sg_tst_bidi.c b/testing/sg_tst_bidi.c
new file mode 100644
index 00000000..0b81e144
--- /dev/null
+++ b/testing/sg_tst_bidi.c
@@ -0,0 +1,602 @@
+/*
+ * Copyright (C) 2019 D. Gilbert
+ * 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, or (at your option)
+ * any later version.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Invocation: See usage() function below.
+ *
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifndef HAVE_LINUX_SG_V4_HDR
+
+/* Kernel uapi header contain __user decorations on user space pointers
+ * to indicate they are unsafe in the kernel space. However glibc takes
+ * all those __user decorations out from headers in /usr/include/linux .
+ * So to stop compile errors when directly importing include/uapi/scsi/sg.h
+ * undef __user before doing that include. */
+#define __user
+
+/* Want to block the original sg.h header from also being included. That
+ * causes lots of multiple definition errors. This will only work if this
+ * header is included _before_ the original sg.h header. */
+#define _SCSI_GENERIC_H /* original kernel header guard */
+#define _SCSI_SG_H /* glibc header guard */
+
+#include "uapi_sg.h" /* local copy of include/uapi/scsi/sg.h */
+
+#else
+#define __user
+#endif /* end of: ifndef HAVE_LINUX_SG_V4_HDR */
+
+#include "sg_lib.h"
+#include "sg_io_linux.h"
+#include "sg_linux_inc.h"
+#include "sg_pr2serr.h"
+#include "sg_unaligned.h"
+
+/* This program tests bidirectional (bidi) SCSI command support in version 4.0
+ * and later of the Linux sg driver. The SBC-3 command XDWRITEREAD(10) that
+ is implemented by the scsi_debug driver is used. */
+
+
+static const char * version_str = "Version: 1.06 20191021";
+
+#define INQ_REPLY_LEN 96
+#define INQ_CMD_OP 0x12
+#define INQ_CMD_LEN 6
+#define SENSE_BUFFER_LEN 96
+#define XDWRITEREAD_10_OP 0x53
+#define XDWRITEREAD_10_LEN 10
+
+#define EBUFF_SZ 256
+
+#ifndef SG_FLAG_Q_AT_TAIL
+#define SG_FLAG_Q_AT_TAIL 0x10
+#endif
+
+#ifndef SG_FLAG_Q_AT_HEAD
+#define SG_FLAG_Q_AT_HEAD 0x20
+#endif
+
+#define DEF_Q_LEN 16 /* max in sg v3 and earlier */
+#define MAX_Q_LEN 256
+
+#define DEF_RESERVE_BUFF_SZ (256 * 1024)
+
+
+static bool q_at_tail = false;
+static int q_len = DEF_Q_LEN;
+static int sleep_secs = 0;
+static int reserve_buff_sz = DEF_RESERVE_BUFF_SZ;
+static int verbose = 0;
+
+
+static void
+usage(void)
+{
+ printf("Usage: sg_tst_bidi [-b=LB_SZ] [-d=DIO_BLKS] [-D] [-h] -l=LBA [-N] "
+ "[-q=Q_LEN]\n"
+ " [-Q] [-r=SZ] [-R=RC] [-s=SEC] [-t] [-v] [-V] "
+ "[-w]\n"
+ " <sg_or_bsg_device>\n"
+ " where:\n"
+ " -b=LB_SZ logical block size (def: 512 bytes)\n"
+ " -d=DIO_BLKS data in and out length (unit: logical "
+ "blocks; def: 1)\n"
+ " -D do direct IO (def: indirect which is also "
+ "fallback)\n"
+ " -h help: print usage message then exit\n"
+ " -l=LBA logical block address (LDA) of first modded "
+ "block\n"
+ " -N durations in nanoseconds (def: milliseconds)\n"
+ " -q=Q_LEN queue length, between 1 and 511 (def: 16). "
+ " Calls\n"
+ " ioctl(SG_IO) when -q=1 else SG_IOSUBMIT "
+ "(async)\n"
+ " -Q quiet, suppress usual output\n"
+ " -r=SZ reserve buffer size in KB (def: 256 --> 256 "
+ "KB)\n"
+ " -R=RC repetition count (def: 0)\n"
+ " -s=SEC sleep between writes and reads (def: 0)\n"
+ " -t queue_at_tail (def: q_at_head)\n"
+ " -v increase verbosity of output\n"
+ " -V print version string then exit\n"
+ " -w sets DISABLE WRITE bit on cdb to 0 (def: 1)\n\n"
+ "Warning: this test utility writes to location LBA and Q_LEN "
+ "following\nblocks using the XDWRITEREAD(10) SBC-3 command. "
+ "When -q=1 does\nioctl(SG_IO) and that is only case when a "
+ "bsg device can be given.\n");
+}
+
+static int
+ext_ioctl(int sg_fd, bool nanosecs)
+{
+ struct sg_extended_info sei;
+ struct sg_extended_info * seip;
+
+ seip = &sei;
+ memset(seip, 0, sizeof(*seip));
+ seip->sei_wr_mask |= SG_SEIM_RESERVED_SIZE;
+ seip->reserved_sz = reserve_buff_sz;
+ seip->sei_rd_mask |= SG_SEIM_RESERVED_SIZE;
+ seip->sei_wr_mask |= SG_SEIM_CTL_FLAGS;
+ seip->sei_rd_mask |= SG_SEIM_CTL_FLAGS; /* this or previous optional */
+ seip->ctl_flags_wr_mask |= SG_CTL_FLAGM_TIME_IN_NS;
+ seip->ctl_flags_rd_mask |= SG_CTL_FLAGM_TIME_IN_NS;
+ if (nanosecs)
+ seip->ctl_flags |= SG_CTL_FLAGM_TIME_IN_NS;
+ else
+ seip->ctl_flags &= ~SG_CTL_FLAGM_TIME_IN_NS;
+
+ if (ioctl(sg_fd, SG_SET_GET_EXTENDED, seip) < 0) {
+ pr2serr("ioctl(SG_SET_GET_EXTENDED) failed, errno=%d %s\n", errno,
+ strerror(errno));
+ return 1;
+ }
+ return 0;
+}
+
+
+int
+main(int argc, char * argv[])
+{
+ bool done;
+ bool direct_io = false;
+ bool lba_given = false;
+ bool nanosecs = false;
+ bool quiet = false;
+ bool disable_write = true;
+ int k, j, ok, ver_num, pack_id, num_waiting, din_len;
+ int dout_len, cat;
+ int ret = 0;
+ int rep_count = 0;
+ int sg_fd = -1;
+ int lb_sz = 512;
+ int dio_blks = 1;
+ int dirio_count = 0;
+ int64_t lba = 0;
+ uint8_t inq_cdb[INQ_CMD_LEN] = {INQ_CMD_OP, 0, 0, 0, INQ_REPLY_LEN, 0};
+ uint8_t xdwrrd10_cdb[XDWRITEREAD_10_LEN] =
+ {XDWRITEREAD_10_OP, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
+ uint8_t inqBuff[MAX_Q_LEN][INQ_REPLY_LEN];
+ struct sg_io_v4 io_v4[MAX_Q_LEN];
+ struct sg_io_v4 rio_v4;
+ struct sg_io_v4 * io_v4p;
+ char * file_name = 0;
+ uint8_t * dinp;
+ uint8_t * free_dinp = NULL;
+ uint8_t * doutp;
+ uint8_t * free_doutp = NULL;
+ char ebuff[EBUFF_SZ];
+ uint8_t sense_buffer[MAX_Q_LEN][SENSE_BUFFER_LEN] SG_C_CPP_ZERO_INIT;
+
+ for (k = 1; k < argc; ++k) {
+ if (0 == memcmp("-b=", argv[k], 3)) {
+ lb_sz = atoi(argv[k] + 3);
+ if (lb_sz < 512 || (0 != (lb_sz % 512))) {
+ printf("Expect -b=LB_SZ be 512 or higher and a power of 2\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-d=", argv[k], 3)) {
+ dio_blks = atoi(argv[k] + 3);
+ if ((dio_blks < 1) || (dio_blks > 0xffff)) {
+ fprintf(stderr, "Expect -d=DIO_BLKS to be 1 or greater and "
+ "less than 65536\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-D", argv[k], 2))
+ direct_io = true;
+ else if (0 == memcmp("-h", argv[k], 2)) {
+ file_name = 0;
+ break;
+ } else if (0 == memcmp("-l=", argv[k], 3)) {
+ if (lba_given) {
+ pr2serr("can only give -l=LBA option once\n");
+ file_name = 0;
+ break;
+ }
+ lba = sg_get_llnum(argv[k] + 3);
+ if ((lba < 0) || (lba > 0xffffffff)) {
+ pr2serr("Expect -l= argument (LBA) to be non-negative and "
+ "fit in 32 bits\n");
+ return -1;
+ }
+ lba_given = true;
+ } else if (0 == memcmp("-N", argv[k], 2))
+ nanosecs = true;
+ else if (0 == memcmp("-q=", argv[k], 3)) {
+ q_len = atoi(argv[k] + 3);
+ if ((q_len > 511) || (q_len < 1)) {
+ printf("Expect -q= to take a number (q length) between 1 "
+ "and 511\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-Q", argv[k], 2))
+ quiet = true;
+ else if (0 == memcmp("-r=", argv[k], 3)) {
+ reserve_buff_sz = atoi(argv[k] + 3);
+ if (reserve_buff_sz < 0) {
+ printf("Expect -r= to take a number 0 or higher\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-R=", argv[k], 3)) {
+ rep_count = atoi(argv[k] + 3);
+ if (rep_count < 0) {
+ printf("Expect -R= to take a number 0 or higher\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-s=", argv[k], 3)) {
+ sleep_secs = atoi(argv[k] + 3);
+ if (sleep_secs < 0) {
+ printf("Expect -s= to take a number 0 or higher\n");
+ file_name = 0;
+ break;
+ }
+ } else if (0 == memcmp("-t", argv[k], 2))
+ q_at_tail = true;
+ else if (0 == memcmp("-vvvvv", argv[k], 5))
+ verbose += 5;
+ else if (0 == memcmp("-vvvv", argv[k], 5))
+ verbose += 4;
+ else if (0 == memcmp("-vvv", argv[k], 4))
+ verbose += 3;
+ else if (0 == memcmp("-vv", argv[k], 3))
+ verbose += 2;
+ else if (0 == memcmp("-v", argv[k], 2))
+ verbose += 1;
+ else if (0 == memcmp("-V", argv[k], 2)) {
+ printf("%s\n", version_str);
+ return 0;
+ } else if (0 == memcmp("-w", argv[k], 2))
+ disable_write = false;
+ else if (*argv[k] == '-') {
+ printf("Unrecognized switch: %s\n", argv[k]);
+ file_name = 0;
+ break;
+ }
+ else if (0 == file_name)
+ file_name = argv[k];
+ else {
+ printf("too many arguments\n");
+ file_name = 0;
+ break;
+ }
+ }
+ if (0 == file_name) {
+ printf("No filename (sg device) given\n\n");
+ usage();
+ return 1;
+ }
+ if (! lba_given) {
+ pr2serr("Needs the -l=LBA 'option' to be given, hex numbers "
+ "prefixed by '0x';\nor with a trailing 'h'\n");
+ ret = 1;
+ goto out;
+ }
+ din_len = lb_sz * dio_blks;
+ dout_len = lb_sz * dio_blks;
+ dinp = sg_memalign(din_len * q_len, 0, &free_dinp, false);
+ if (NULL == dinp) {
+ fprintf(stderr, "Unable to allocate %d byte for din buffer\n",
+ din_len * q_len);
+ ret = 1;
+ goto out;
+ }
+ doutp = sg_memalign(dout_len * q_len, 0, &free_doutp, false);
+ if (NULL == doutp) {
+ fprintf(stderr, "Unable to allocate %d byte for dout buffer\n",
+ dout_len * q_len);
+ ret = 1;
+ goto out;
+ }
+
+ /* An access mode of O_RDWR is required for write()/read() interface */
+ if ((sg_fd = open(file_name, O_RDWR)) < 0) {
+ snprintf(ebuff, EBUFF_SZ,
+ "error opening file: %s", file_name);
+ perror(ebuff);
+ return 1;
+ }
+ if (verbose)
+ fprintf(stderr, "opened given file: %s successfully, fd=%d\n",
+ file_name, sg_fd);
+
+ if (ioctl(sg_fd, SG_GET_VERSION_NUM, &ver_num) < 0) {
+ pr2serr("ioctl(SG_GET_VERSION_NUM) failed, errno=%d %s\n", errno,
+ strerror(errno));
+ goto out;
+ }
+ if (! quiet)
+ printf("Linux sg driver version: %d\n", ver_num);
+ if ((q_len > 1) && ext_ioctl(sg_fd, nanosecs))
+ goto out;
+
+
+ if (1 == q_len) { /* do sync ioct(SG_IO) */
+ io_v4p = &io_v4[k];
+rep_sg_io:
+ memset(io_v4p, 0, sizeof(*io_v4p));
+ io_v4p->guard = 'Q';
+ if (direct_io)
+ io_v4p->flags |= SG_FLAG_DIRECT_IO;
+ if (disable_write)
+ xdwrrd10_cdb[2] |= 0x4;
+ sg_put_unaligned_be16(dio_blks, xdwrrd10_cdb + 7);
+ sg_put_unaligned_be32(lba, xdwrrd10_cdb + 2);
+ if (verbose > 2) {
+ pr2serr(" %s cdb: ", "XDWRITE(10)");
+ for (j = 0; j < XDWRITEREAD_10_LEN; ++j)
+ pr2serr("%02x ", xdwrrd10_cdb[j]);
+ pr2serr("\n");
+ }
+ io_v4p->request_len = XDWRITEREAD_10_LEN;
+ io_v4p->request = (uint64_t)(uintptr_t)xdwrrd10_cdb;
+ io_v4p->din_xfer_len = din_len;
+ io_v4p->din_xferp = (uint64_t)(uintptr_t)(dinp + (k * din_len));
+ io_v4p->dout_xfer_len = dout_len;
+ io_v4p->dout_xferp = (uint64_t)(uintptr_t)(doutp + (k * dout_len));
+ io_v4p->response = (uint64_t)(uintptr_t)sense_buffer[k];
+ io_v4p->max_response_len = SENSE_BUFFER_LEN;
+ io_v4p->timeout = 20000; /* 20000 millisecs == 20 seconds */
+ io_v4p->request_extra = 99; /* so pack_id doesn't start at 0 */
+ /* default is to queue at head (in SCSI mid level) */
+ if (q_at_tail)
+ io_v4p->flags |= SG_FLAG_Q_AT_TAIL;
+ else
+ io_v4p->flags |= SG_FLAG_Q_AT_HEAD;
+ /* io_v4p->usr_ptr = NULL; */
+
+ if (ioctl(sg_fd, SG_IO, io_v4p) < 0) {
+ pr2serr("sg ioctl(SG_IO) errno=%d [%s]\n", errno,
+ strerror(errno));
+ close(sg_fd);
+ return 1;
+ }
+ /* now for the error processing */
+ ok = 0;
+ rio_v4 = *io_v4p;
+ cat = sg_err_category_new(rio_v4.device_status,
+ rio_v4.transport_status,
+ rio_v4.driver_status,
+ (const uint8_t *)(unsigned long)rio_v4.response,
+ rio_v4.response_len);
+ switch (cat) {
+ case SG_LIB_CAT_CLEAN:
+ ok = 1;
+ break;
+ case SG_LIB_CAT_RECOVERED:
+ printf("Recovered error, continuing\n");
+ ok = 1;
+ break;
+ default: /* won't bother decoding other categories */
+ sg_linux_sense_print(NULL, rio_v4.device_status,
+ rio_v4.transport_status,
+ rio_v4.driver_status,
+ (const uint8_t *)(unsigned long)rio_v4.response,
+ rio_v4.response_len, true);
+ break;
+ }
+ if ((rio_v4.info & SG_INFO_DIRECT_IO_MASK) != SG_INFO_DIRECT_IO)
+ ++dirio_count;
+ if (verbose > 3) {
+ pr2serr(">> din_resid=%d, dout_resid=%d, info=0x%x\n",
+ rio_v4.din_resid, rio_v4.dout_resid, rio_v4.info);
+ if (rio_v4.response_len > 0) {
+ pr2serr("sense buffer: ");
+ hex2stderr(sense_buffer[k], rio_v4.response_len, -1);
+ }
+ }
+ if ((! quiet) && ok) /* output result if it is available */
+ printf("XDWRITEREAD(10) using ioctl(SG_IO) duration=%u\n",
+ rio_v4.duration);
+ if (rep_count-- > 0)
+ goto rep_sg_io;
+ goto out;
+ }
+
+rep_async:
+ if (! quiet)
+ printf("start write() calls\n");
+ for (k = 0; k < q_len; ++k) {
+ io_v4p = &io_v4[k];
+ memset(io_v4p, 0, sizeof(*io_v4p));
+ io_v4p->guard = 'Q';
+ if (direct_io)
+ io_v4p->flags |= SG_FLAG_DIRECT_IO;
+ /* io_v4p->iovec_count = 0; */ /* memset takes care of this */
+ if (0 != (k % 64)) {
+ if (disable_write)
+ xdwrrd10_cdb[2] |= 0x4;
+ sg_put_unaligned_be16(dio_blks, xdwrrd10_cdb + 7);
+ sg_put_unaligned_be32(lba, xdwrrd10_cdb + 2);
+ if (verbose > 2) {
+ pr2serr(" %s cdb: ", "XDWRITE(10)");
+ for (j = 0; j < XDWRITEREAD_10_LEN; ++j)
+ pr2serr("%02x ", xdwrrd10_cdb[j]);
+ pr2serr("\n");
+ }
+ io_v4p->request_len = XDWRITEREAD_10_LEN;
+ io_v4p->request = (uint64_t)(uintptr_t)xdwrrd10_cdb;
+ io_v4p->din_xfer_len = din_len;
+ io_v4p->din_xferp = (uint64_t)(uintptr_t)(dinp + (k * din_len));
+ io_v4p->dout_xfer_len = dout_len;
+ io_v4p->dout_xferp = (uint64_t)(uintptr_t)(doutp + (k * dout_len));
+ } else {
+ if (verbose > 2) {
+ pr2serr(" %s cdb: ", "INQUIRY");
+ for (j = 0; j < INQ_CMD_LEN; ++j)
+ pr2serr("%02x ", inq_cdb[j]);
+ pr2serr("\n");
+ }
+ io_v4p->request_len = sizeof(inq_cdb);
+ io_v4p->request = (uint64_t)(uintptr_t)inq_cdb;
+ io_v4p->din_xfer_len = INQ_REPLY_LEN;
+ io_v4p->din_xferp = (uint64_t)(uintptr_t)inqBuff[k];
+ }
+ io_v4p->response = (uint64_t)(uintptr_t)sense_buffer[k];
+ io_v4p->max_response_len = SENSE_BUFFER_LEN;
+ io_v4p->timeout = 20000; /* 20000 millisecs == 20 seconds */
+ io_v4p->request_extra = k + 3; /* so pack_id doesn't start at 0 */
+ /* default is to queue at head (in SCSI mid level) */
+ if (q_at_tail)
+ io_v4p->flags |= SG_FLAG_Q_AT_TAIL;
+ else
+ io_v4p->flags |= SG_FLAG_Q_AT_HEAD;
+ /* io_v4p->usr_ptr = NULL; */
+
+ if (ioctl(sg_fd, SG_IOSUBMIT, io_v4p) < 0) {
+ pr2serr("sg ioctl(SG_IOSUBMIT) errno=%d [%s]\n", errno,
+ strerror(errno));
+ close(sg_fd);
+ return 1;
+ }
+ }
+
+#if 0
+ {
+ struct sg_scsi_id ssi;
+
+ memset(&ssi, 0, sizeof(ssi));
+ if (ioctl(sg_fd, SG_GET_SCSI_ID, &ssi) < 0)
+ pr2serr("ioctl(SG_GET_SCSI_ID) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else {
+ printf("host_no: %d\n", ssi.host_no);
+ printf(" channel: %d\n", ssi.channel);
+ printf(" scsi_id: %d\n", ssi.scsi_id);
+ printf(" lun: %d\n", ssi.lun);
+ printf(" pdt: %d\n", ssi.scsi_type);
+ printf(" h_cmd_per_lun: %d\n", ssi.h_cmd_per_lun);
+ printf(" d_queue_depth: %d\n", ssi.d_queue_depth);
+ }
+ }
+#endif
+ if (ioctl(sg_fd, SG_GET_PACK_ID, &pack_id) < 0)
+ pr2serr("ioctl(SG_GET_PACK_ID) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("first available pack_id: %d\n", pack_id);
+ if (ioctl(sg_fd, SG_GET_NUM_WAITING, &num_waiting) < 0)
+ pr2serr("ioctl(SG_GET_NUM_WAITING) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("num_waiting: %d\n", num_waiting);
+
+ if (sleep_secs > 0)
+ sleep(sleep_secs);
+
+ if (ioctl(sg_fd, SG_GET_PACK_ID, &pack_id) < 0)
+ pr2serr("ioctl(SG_GET_PACK_ID) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("first available pack_id: %d\n", pack_id);
+ if (ioctl(sg_fd, SG_GET_NUM_WAITING, &num_waiting) < 0)
+ pr2serr("ioctl(SG_GET_NUM_WAITING) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("num_waiting: %d\n", num_waiting);
+
+ if (! quiet)
+ printf("\nstart read() calls\n");
+ for (k = 0, done = false; k < q_len; ++k) {
+ if ((! done) && (k == q_len / 2)) {
+ done = true;
+ if (! quiet)
+ printf("\n>>> half way through read\n");
+ if (ioctl(sg_fd, SG_GET_PACK_ID, &pack_id) < 0)
+ pr2serr("ioctl(SG_GET_PACK_ID) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("first available pack_id: %d\n", pack_id);
+ if (ioctl(sg_fd, SG_GET_NUM_WAITING, &num_waiting) < 0)
+ pr2serr("ioctl(SG_GET_NUM_WAITING) failed, errno=%d %s\n",
+ errno, strerror(errno));
+ else if (! quiet)
+ printf("num_waiting: %d\n", num_waiting);
+ }
+ memset(&rio_v4, 0, sizeof(struct sg_io_v4));
+ rio_v4.guard = 'Q';
+ if (ioctl(sg_fd, SG_IORECEIVE, &rio_v4) < 0) {
+ perror("sg ioctl(SG_IORECEIVE) error");
+ close(sg_fd);
+ return 1;
+ }
+ /* now for the error processing */
+ ok = 0;
+ cat = sg_err_category_new(rio_v4.device_status,
+ rio_v4.transport_status,
+ rio_v4.driver_status,
+ (const uint8_t *)(unsigned long)rio_v4.response,
+ rio_v4.response_len);
+ switch (cat) {
+ case SG_LIB_CAT_CLEAN:
+ ok = 1;
+ break;
+ case SG_LIB_CAT_RECOVERED:
+ printf("Recovered error, continuing\n");
+ ok = 1;
+ break;
+ default: /* won't bother decoding other categories */
+ sg_linux_sense_print(NULL, rio_v4.device_status,
+ rio_v4.transport_status,
+ rio_v4.driver_status,
+ (const uint8_t *)(unsigned long)rio_v4.response,
+ rio_v4.response_len, true);
+ break;
+ }
+ if ((rio_v4.info & SG_INFO_DIRECT_IO_MASK) != SG_INFO_DIRECT_IO)
+ ++dirio_count;
+ if (verbose > 3) {
+ pr2serr(">> din_resid=%d, dout_resid=%d, info=0x%x\n",
+ rio_v4.din_resid, rio_v4.dout_resid, rio_v4.info);
+ if (rio_v4.response_len > 0) {
+ pr2serr("sense buffer: ");
+ hex2stderr(sense_buffer[k], rio_v4.response_len, -1);
+ }
+ }
+ if ((! quiet) && ok) { /* output result if it is available */
+ if (0 != ((rio_v4.request_extra - 3) % 64))
+ printf("XDWRITEREAD(10) %d duration=%u\n",
+ rio_v4.request_extra, rio_v4.duration);
+ else
+ printf("INQUIRY %d duration=%u\n",
+ rio_v4.request_extra,
+ rio_v4.duration);
+ }
+ }
+ if (direct_io && (dirio_count < q_len)) {
+ pr2serr("Direct IO requested %d times, done %d times\nMaybe need "
+ "'echo 1 > /sys/module/sg/parameters/allow_dio'\n", q_len, dirio_count);
+ }
+ if (rep_count-- > 0)
+ goto rep_async;
+ ret = 0;
+
+out:
+ if (sg_fd >= 0)
+ close(sg_fd);
+ if (free_dinp)
+ free(free_dinp);
+ if (free_doutp)
+ free(free_doutp);
+ return ret;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-11 23:24:30 +0000