Load sg3_utils-1.21 into trunk/.

git-svn-id: https://svn.bingwo.ca/repos/sg3_utils/trunk@69 6180dd3e-e324-4e3e-922d-17de1ae2f315

1 files changed, 184 insertions, 0 deletions

diff --git a/examples/sg_sat_smart_rd_data.c b/examples/sg_sat_smart_rd_data.c
new file mode 100644
index 00000000..5ebf1212
--- /dev/null
+++ b/examples/sg_sat_smart_rd_data.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2006 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_STATUS_RETURN_DESC 9  /* ATA status 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 = "1.01 20060629";
+
+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], "-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_STATUS_RETURN_DESC);
+        if (NULL == ucp)
+            sg_chk_n_print3("ATA_16 command error", &io_hdr, 1);
+        else if (verbose)
+            sg_chk_n_print3("ATA status 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;
+}