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Diffstat (limited to 'examples/sg_sat_set_features.c')
| -rw-r--r-- | examples/sg_sat_set_features.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/examples/sg_sat_set_features.c b/examples/sg_sat_set_features.c deleted file mode 100644 index b7257737..00000000 --- a/examples/sg_sat_set_features.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright (c) 2006-2007 Douglas Gilbert. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include <unistd.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <getopt.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include "sg_lib.h" -#include "sg_io_linux.h" - -/* This program performs a ATA PASS-THROUGH (16) SCSI command in order - to perform an ATA SET FEATURES command. See http://www.t10.org - SAT draft at time of writing: sat-r09.pdf - - Invocation: - sg_sat_set_features [-c <n>] [-f <n>] [-h] [-l <n>] [-v] [-V] <device> - -*/ - -#define SAT_ATA_PASS_THROUGH16 0x85 -#define SAT_ATA_PASS_THROUGH16_LEN 16 -#define SAT_ATA_RETURN_DESC 9 /* ATA Return (sense) Descriptor */ - -#define ATA_SET_FEATURES 0xef - -#define EBUFF_SZ 256 - -static char * version_str = "1.02 20070406"; - -static struct option long_options[] = { - {"count", required_argument, 0, 'c'}, - {"chk_cond", no_argument, 0, 'C'}, - {"feature", required_argument, 0, 'f'}, - {"help", no_argument, 0, 'h'}, - {"lba", required_argument, 0, 'l'}, - {"verbose", no_argument, 0, 'v'}, - {"version", no_argument, 0, 'V'}, - {0, 0, 0, 0}, -}; - -void usage() -{ - fprintf(stderr, "Usage: " - "sg_sat_set_features [--count=C] [--chk_cond] [--feature=F] " - "[--help]\n" - " [-lba=LBA] [--verbose] [--version] " - "DEVICE\n" - " where:\n" - " --count=C|-c C count field contents (def: 0)\n" - " --chk_cond|-C set chk_cond field in pass-through " - "(def: 0)\n" - " --feature=F|-f F feature field contents (def: 0)\n" - " --help|-h output this usage message\n" - " --lba=LBA| -l LBA LBA field contents (def: 0)\n" - " --verbose|-v increase verbosity\n" - " --version|-V print version string and exit\n\n" - "Sends an ATA SET FEATURES command via a SAT pass through.\n" - "Primary feature code is placed in '--feature=F' with '--count=C' " - "and\n" - "'--lba=LBA' being auxiliaries for some features. The arguments C, " - "F and LBA\n" - "are decimal unless prefixed by '0x' or have a trailing 'h'.\n" - "Example enabling write cache: 'sg_sat_set_feature --feature=2 " - "/dev/sdc'\n"); -} - -int main(int argc, char * argv[]) -{ - int sg_fd, c, k; - unsigned char aptCmdBlk[SAT_ATA_PASS_THROUGH16_LEN] = - {SAT_ATA_PASS_THROUGH16, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0}; - sg_io_hdr_t io_hdr; - char device_name[256]; - char ebuff[EBUFF_SZ]; - unsigned char sense_buffer[64]; - int count = 0; - int feature = 0; - int lba = 0; - int verbose = 0; - int extend = 0; - int chk_cond = 0; /* set to 1 to read register(s) back */ - int protocol = 3; /* non-dat data-in */ - int t_dir = 1; /* 0 -> to device, 1 -> from device */ - int byte_block = 1; /* 0 -> bytes, 1 -> 512 byte blocks */ - int t_length = 0; /* 0 -> no data transferred, 2 -> sector count */ - const unsigned char * ucp = NULL; - - memset(device_name, 0, sizeof(device_name)); - while (1) { - int option_index = 0; - - c = getopt_long(argc, argv, "c:Cf:hl:vV", long_options, - &option_index); - if (c == -1) - break; - - switch (c) { - case 'c': - count = sg_get_num(optarg); - if ((count < 0) || (count > 255)) { - fprintf(stderr, "bad argument for '--count'\n"); - return SG_LIB_SYNTAX_ERROR; - } - break; - case 'C': - chk_cond = 1; - break; - case 'f': - feature = sg_get_num(optarg); - if ((feature < 0) || (feature > 255)) { - fprintf(stderr, "bad argument for '--feature'\n"); - return SG_LIB_SYNTAX_ERROR; - } - break; - case 'h': - case '?': - usage(); - return 0; - case 'l': - lba = sg_get_num(optarg); - if ((lba < 0) || (lba > 255)) { - fprintf(stderr, "bad argument for '--lba'\n"); - return SG_LIB_SYNTAX_ERROR; - } - break; - case 'v': - ++verbose; - break; - case 'V': - fprintf(stderr, "version: %s\n", version_str); - return 0; - default: - fprintf(stderr, "unrecognised option code 0x%x ??\n", c); - usage(); - return SG_LIB_SYNTAX_ERROR; - } - } - if (optind < argc) { - if ('\0' == device_name[0]) { - strncpy(device_name, argv[optind], sizeof(device_name) - 1); - device_name[sizeof(device_name) - 1] = '\0'; - ++optind; - } - if (optind < argc) { - for (; optind < argc; ++optind) - fprintf(stderr, "Unexpected extra argument: %s\n", - argv[optind]); - usage(); - return SG_LIB_SYNTAX_ERROR; - } - } - - if ('\0' == device_name[0]) { - fprintf(stderr, "missing device name!\n"); - usage(); - return 1; - } - - if ((sg_fd = open(device_name, O_RDWR)) < 0) { - snprintf(ebuff, EBUFF_SZ, - "sg_sat_set_features: error opening file: %s", device_name); - perror(ebuff); - return 1; - } - - /* Prepare ATA PASS-THROUGH COMMAND (16) command */ - aptCmdBlk[14] = ATA_SET_FEATURES; - aptCmdBlk[1] = (protocol << 1) | extend; - aptCmdBlk[2] = (chk_cond << 5) | (t_dir << 3) | - (byte_block << 2) | t_length; - aptCmdBlk[4] = feature; - aptCmdBlk[6] = count; - aptCmdBlk[8] = lba & 0xff; - aptCmdBlk[10] = (lba >> 8) & 0xff; - aptCmdBlk[12] = (lba >> 16) & 0xff; - if (verbose) { - fprintf(stderr, " ata pass through(16) cdb: "); - for (k = 0; k < SAT_ATA_PASS_THROUGH16_LEN; ++k) - fprintf(stderr, "%02x ", aptCmdBlk[k]); - fprintf(stderr, "\n"); - } - - memset(&io_hdr, 0, sizeof(sg_io_hdr_t)); - io_hdr.interface_id = 'S'; - io_hdr.cmd_len = sizeof(aptCmdBlk); - /* io_hdr.iovec_count = 0; */ /* memset takes care of this */ - io_hdr.mx_sb_len = sizeof(sense_buffer); - io_hdr.dxfer_direction = SG_DXFER_NONE; - io_hdr.dxfer_len = 0; - io_hdr.dxferp = NULL; - io_hdr.cmdp = aptCmdBlk; - io_hdr.sbp = sense_buffer; - io_hdr.timeout = 20000; /* 20000 millisecs == 20 seconds */ - /* io_hdr.flags = 0; */ /* take defaults: indirect IO, etc */ - /* io_hdr.pack_id = 0; */ - /* io_hdr.usr_ptr = NULL; */ - - if (ioctl(sg_fd, SG_IO, &io_hdr) < 0) { - perror("sg_sat_set_features: SG_IO ioctl error"); - close(sg_fd); - return 1; - } - - /* error processing: N.B. expect check condition, no sense ... !! */ - switch (sg_err_category3(&io_hdr)) { - case SG_LIB_CAT_CLEAN: - break; - case SG_LIB_CAT_RECOVERED: /* sat-r09 uses this sk */ - case SG_LIB_CAT_NO_SENSE: /* earlier SAT drafts used this */ - ucp = sg_scsi_sense_desc_find(sense_buffer, sizeof(sense_buffer), - SAT_ATA_RETURN_DESC); - if (NULL == ucp) { - if (verbose > 1) - printf("ATA Return Descriptor expected in sense but not " - "found\n"); - sg_chk_n_print3("ATA_16 command error", &io_hdr, 1); - } else if (verbose) - sg_chk_n_print3("ATA Return Descriptor", &io_hdr, 1); - if (ucp && ucp[3]) { - if (ucp[3] & 0x4) - printf("error in returned FIS: aborted command\n"); - else - printf("error=0x%x, status=0x%x\n", ucp[3], ucp[13]); - } - break; - default: - fprintf(stderr, "unexpected SCSI sense category\n"); - ucp = sg_scsi_sense_desc_find(sense_buffer, sizeof(sense_buffer), - SAT_ATA_RETURN_DESC); - if (NULL == ucp) - sg_chk_n_print3("ATA_16 command error", &io_hdr, 1); - else if (verbose) - sg_chk_n_print3("ATA Return Descriptor, as expected", - &io_hdr, 1); - if (ucp && ucp[3]) { - if (ucp[3] & 0x4) - printf("error in returned FIS: aborted command\n"); - else - printf("error=0x%x, status=0x%x\n", ucp[3], ucp[13]); - } - break; - } - - close(sg_fd); - return 0; -} |