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- /*
- * 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 CHECK POWER MODE command. See http://www.t10.org
- SAT draft at time of writing: sat-r09.pdf
-
- Invocation: sg_sat_chk_power [-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_CHECK_POWER_MODE 0xe5
-
- #define EBUFF_SZ 256
-
- static char * version_str = "1.03 20070129";
-
- int main(int argc, char * argv[])
- {
- int sg_fd, 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 * file_name = 0;
- char ebuff[EBUFF_SZ];
- unsigned char sense_buffer[64];
- int verbose = 0;
- int extend = 0;
- int chk_cond = 1; /* 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;
-
- 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_chk_power [-v] [-V] <device>'\n");
- return 1;
- }
-
- if ((sg_fd = open(file_name, O_RDWR)) < 0) {
- snprintf(ebuff, EBUFF_SZ,
- "sg_sat_chk_power: error opening file: %s", file_name);
- perror(ebuff);
- return 1;
- }
-
- /* Prepare ATA PASS-THROUGH COMMAND (16) command */
- aptCmdBlk[14] = ATA_CHECK_POWER_MODE;
- 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_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_chk_power: 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 (latest) uses this sk */
- case SG_LIB_CAT_NO_SENSE: /* earlier SAT drafts used this */
- /* XXX: Until the spec decides which one to go with. 20060607 */
- 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, 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;
- 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;
- }
-
- if (ucp) {
- switch (ucp[5]) { /* sector_count (7:0) */
- case 0xff:
- printf("In active mode or idle mode\n");
- break;
- case 0x80:
- printf("In idle mode\n");
- break;
- case 0x41:
- printf("In NV power mode and spindle is spun or spinning up\n");
- break;
- case 0x40:
- printf("In NV power mode and spindle is spun or spinning down\n");
- break;
- case 0x0:
- printf("In standby mode\n");
- break;
- default:
- printf("unknown power mode (sector count) value=0x%x\n", ucp[5]);
- break;
- }
- } else
- fprintf(stderr, "Expecting a ATA Return Descriptor in sense and "
- "didn't receive it\n");
-
- close(sg_fd);
- return 0;
- }
-