| /* |
| * 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 <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 SMART/READ DATA command. See http://www.t10.org |
| SAT draft at time of writing: sat-r08.pdf |
| |
| Invocation: sg_sat_smart_rd_data [-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_SMART 0xb0 |
| #define ATA_SMART_READ_DATA 0xd0 |
| #define SMART_READ_DATA_RESPONSE_LEN 512 |
| |
| #define EBUFF_SZ 256 |
| |
| static char * version_str = "1.02 20070130"; |
| |
| int main(int argc, char * argv[]) |
| { |
| int sg_fd, k, ok; |
| 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 * file_name = 0; |
| char ebuff[EBUFF_SZ]; |
| unsigned char inBuff[SMART_READ_DATA_RESPONSE_LEN]; |
| unsigned char sense_buffer[32]; |
| int verbose = 0; |
| int extend = 0; |
| int chk_cond = 0; /* set to 1 to read register(s) back */ |
| int protocol = 4; /* PIO 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 = 2; /* 0 -> no data transferred, 2 -> sector count */ |
| const unsigned char * ucp = NULL; |
| |
| for (k = 1; k < argc; ++k) { |
| if (0 == strcmp(argv[k], "-v")) |
| ++verbose; |
| else if (0 == strcmp(argv[k], "-vv")) |
| verbose += 2; |
| else if (0 == strcmp(argv[k], "-vvv")) |
| verbose += 3; |
| else if (0 == strcmp(argv[k], "-V")) { |
| fprintf(stderr, "version: %s\n", version_str); |
| exit(0); |
| } 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("Usage: 'sg_sat_smart_rd_data [-v] [-V] <device>'\n"); |
| return 1; |
| } |
| |
| if ((sg_fd = open(file_name, O_RDWR)) < 0) { |
| snprintf(ebuff, EBUFF_SZ, |
| "sg_sat_smart_rd_data: error opening file: %s", file_name); |
| perror(ebuff); |
| return 1; |
| } |
| |
| /* Prepare ATA PASS-THROUGH COMMAND (16) command */ |
| aptCmdBlk[4] = ATA_SMART_READ_DATA; /* feature (7:0) */ |
| aptCmdBlk[6] = 1; /* number of block (sector count) */ |
| aptCmdBlk[10] = 0x4f; /* lba_mid (7:0) */ |
| aptCmdBlk[12] = 0xc2; /* lba_high (7:0) */ |
| aptCmdBlk[14] = ATA_SMART; |
| aptCmdBlk[1] = (protocol << 1) | extend; |
| aptCmdBlk[2] = (chk_cond << 5) | (t_dir << 3) | |
| (byte_block << 2) | t_length; |
| 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_FROM_DEV; |
| io_hdr.dxfer_len = SMART_READ_DATA_RESPONSE_LEN; |
| io_hdr.dxferp = inBuff; |
| 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_smart_rd_data: SG_IO ioctl error"); |
| close(sg_fd); |
| return 1; |
| } |
| |
| /* now for the error processing */ |
| ok = 0; |
| switch (sg_err_category3(&io_hdr)) { |
| case SG_LIB_CAT_CLEAN: |
| ok = 1; |
| break; |
| case SG_LIB_CAT_RECOVERED: |
| 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]) |
| printf("error=0x%x, status=0x%x\n", ucp[3], ucp[13]); |
| else |
| ok = 1; |
| break; |
| default: /* won't bother decoding other categories */ |
| sg_chk_n_print3("ATA_16 command error", &io_hdr, 1); |
| break; |
| } |
| |
| if (ok) { /* output result if it is available */ |
| printf("Response:\n"); |
| dWordHex((const unsigned short *)inBuff, 256, 0, |
| sg_is_big_endian()); |
| } |
| |
| close(sg_fd); |
| return 0; |
| } |