#include "scsi_id.h"
#include "scsi_id_version.h"
-/* temporary names for mknod */
-#define TMP_DIR "/dev"
-#define TMP_PREFIX "tmp-scsi"
-
static const struct option options[] = {
{ "device", 1, NULL, 'd' },
{ "config", 1, NULL, 'f' },
{ "page", 1, NULL, 'p' },
- { "devpath", 1, NULL, 's' },
- { "fallback-to-sysfs", 0, NULL, 'a' },
{ "blacklisted", 0, NULL, 'b' },
{ "whitelisted", 0, NULL, 'g' },
{ "prefix-bus-id", 0, NULL, 'i' },
{ "replace-whitespace", 0, NULL, 'u' },
- { "ignore-sysfs", 0, NULL, 'n' },
{ "verbose", 0, NULL, 'v' },
{ "version", 0, NULL, 'V' },
{ "export", 0, NULL, 'x' },
{}
};
-static const char short_options[] = "abd:f:ghinp:s:uvVx";
+static const char short_options[] = "d:f:ghip:uvVx";
static const char dev_short_options[] = "bgp:";
static int all_good;
-static int always_info;
static int dev_specified;
-static int sys_specified;
static char config_file[MAX_PATH_LEN] = SCSI_ID_CONFIG_FILE;
static int display_bus_id;
static enum page_code default_page_code;
static int use_stderr;
static int debug;
-static int hotplug_mode;
static int reformat_serial;
-static int ignore_sysfs;
static int export;
static char vendor_str[64];
static char model_str[64];
to[len-1] = '\0';
}
-static int create_tmp_dev(const char *devpath, char *tmpdev, int dev_type)
-{
- unsigned int maj, min;
- const char *attr;
-
- dbg("%s\n", devpath);
- attr = sysfs_attr_get_value(devpath, "dev");
- if (attr == NULL) {
- dbg("%s: could not get dev attribute: %s\n", devpath, strerror(errno));
- return -1;
- }
-
- dbg("dev value %s\n", attr);
- if (sscanf(attr, "%u:%u", &maj, &min) != 2) {
- err("%s: invalid dev major/minor\n", devpath);
- return -1;
- }
-
- snprintf(tmpdev, MAX_PATH_LEN, "%s/%s-maj%d-min%d-%u",
- TMP_DIR, TMP_PREFIX, maj, min, getpid());
-
- dbg("tmpdev '%s'\n", tmpdev);
- if (mknod(tmpdev, 0600 | dev_type, makedev(maj, min))) {
- err("mknod failed: %s\n", strerror(errno));
- return -1;
- }
- return 0;
-}
-
/*
* get_value:
*
}
static int set_options(int argc, char **argv, const char *short_opts,
- char *target, char *maj_min_dev)
+ char *maj_min_dev)
{
int option;
dbg("option '%c'\n", option);
switch (option) {
- case 'a':
- always_info = 1;
- break;
case 'b':
all_good = 0;
break;
case 'h':
printf("Usage: scsi_id OPTIONS <device>\n"
" --device device node for SG_IO commands\n"
- " --devpath sysfs devpath\n"
" --config location of config file\n"
" --page SCSI page (0x80, 0x83, pre-spc3-83)\n"
- " --fallback-to-sysfs print sysfs values if inquiry fails\n"
- " --ignore-sysfs ignore sysfs entries\n"
" --blacklisted threat device as blacklisted\n"
" --whitelisted threat device as whitelisted\n"
" --prefix-bus-id prefix SCSI bus id\n"
}
break;
- case 'n':
- ignore_sysfs = 1;
- break;
-
- case 's':
- sys_specified = 1;
- strncpy(target, optarg, MAX_PATH_LEN);
- target[MAX_PATH_LEN-1] = '\0';
- break;
-
case 'u':
reformat_serial = 1;
break;
exit(1);
}
}
+ if (optind < argc && !dev_specified) {
+ dev_specified = 1;
+ strncpy(maj_min_dev, argv[optind], MAX_PATH_LEN);
+ maj_min_dev[MAX_PATH_LEN-1] = '\0';
+ }
return 0;
}
-static int per_dev_options(struct sysfs_device *dev_scsi, int *good_bad, int *page_code)
+static int per_dev_options(struct scsi_id_device *dev_scsi, int *good_bad, int *page_code)
{
int retval;
int newargc;
return retval;
}
-static int set_sysfs_values(struct sysfs_device *dev_scsi)
-{
- const char *vendor, *model, *type;
-
- vendor = sysfs_attr_get_value(dev_scsi->devpath, "vendor");
- if (!vendor) {
- info("%s: cannot get vendor attribute\n", dev_scsi->devpath);
- return -1;
- }
- set_str(vendor_str, vendor, sizeof(vendor_str)-1);
-
- model = sysfs_attr_get_value(dev_scsi->devpath, "model");
- if (!model) {
- info("%s: cannot get model attribute\n", dev_scsi->devpath);
- return -1;
- }
- set_str(model_str, model, sizeof(model_str)-1);
-
- type = sysfs_attr_get_value(dev_scsi->devpath, "type");
- if (!type) {
- info("%s: cannot get type attribute\n", dev_scsi->devpath);
- return -1;
- }
- set_type(type_str, type, sizeof(type_str));
-
- type = sysfs_attr_get_value(dev_scsi->devpath, "rev");
- if (!type) {
- info("%s: cannot get type attribute\n", dev_scsi->devpath);
- return -1;
- }
- set_str(revision_str, type, sizeof(revision_str)-1);
-
- return 0;
-}
-
-static int set_inq_values(struct sysfs_device *dev_scsi, const char *path)
+static int set_inq_values(struct scsi_id_device *dev_scsi, const char *path)
{
int retval;
- char vendor[8], model[16], type[4], rev[4];
- retval = scsi_std_inquiry(dev_scsi, path, vendor, model, rev, type);
+ retval = scsi_std_inquiry(dev_scsi, path);
if (retval)
return retval;
- set_str(vendor_str, vendor, 8);
- set_str(model_str, model, 16);
- set_type(type_str, type, sizeof(type_str) - 1);
- set_str(revision_str, rev, sizeof(revision_str) -1);
+ set_str(vendor_str, dev_scsi->vendor, 8);
+ set_str(model_str, dev_scsi->model, 16);
+ set_type(type_str, dev_scsi->type, sizeof(type_str) - 1);
+ set_str(revision_str, dev_scsi->revision, sizeof(revision_str) -1);
return 0;
}
* memory etc. return 2, and return 1 for expected cases (like broken
* device found) that do not print an id.
*/
-static int scsi_id(const char *devpath, char *maj_min_dev)
+static int scsi_id(char *maj_min_dev)
{
int retval;
- int dev_type = 0;
- struct sysfs_device *dev;
- struct sysfs_device *dev_scsi = NULL;
+ struct scsi_id_device dev_scsi;
int good_dev;
int page_code;
- char serial[MAX_SERIAL_LEN] = "";
char serial_short[MAX_SERIAL_LEN] = "";
- const char *bus_str = NULL;
-
- dbg("devpath %s\n", devpath);
- dev = sysfs_device_get(devpath);
- if (dev == NULL) {
- err("unable to access '%s'\n", devpath);
- return 1;
- }
-
- if (strcmp(dev->subsystem, "block") == 0)
- dev_type = S_IFBLK;
- else
- dev_type = S_IFCHR;
-
- /* mknod a temp dev to communicate with the device */
- if (!dev_specified && create_tmp_dev(dev->devpath, maj_min_dev, dev_type)) {
- dbg("create_tmp_dev failed\n");
- return 1;
- }
-
- if (!ignore_sysfs) {
- /* get scsi parent device */
- dev_scsi = sysfs_device_get_parent_with_subsystem(dev, "scsi");
- if (dev_scsi == NULL) {
- err("unable to access parent device of '%s'\n", devpath);
- return 1;
- }
- set_sysfs_values(dev_scsi);
- bus_str = "scsi";
- } else {
- dev_scsi = dev;
- set_inq_values(dev_scsi, maj_min_dev);
- }
+ set_inq_values(&dev_scsi, maj_min_dev);
/* get per device (vendor + model) options from the config file */
- retval = per_dev_options(dev_scsi, &good_dev, &page_code);
+ retval = per_dev_options(&dev_scsi, &good_dev, &page_code);
dbg("per dev options: good %d; page code 0x%x\n", good_dev, page_code);
if (!good_dev) {
retval = 1;
- } else if (scsi_get_serial(dev_scsi, maj_min_dev, page_code,
- serial, serial_short, MAX_SERIAL_LEN)) {
- retval = always_info?0:1;
+ } else if (scsi_get_serial(&dev_scsi, maj_min_dev, page_code,
+ serial_short, MAX_SERIAL_LEN)) {
+ retval = 1;
} else {
retval = 0;
}
printf("ID_VENDOR=%s\n", vendor_str);
printf("ID_MODEL=%s\n", model_str);
printf("ID_REVISION=%s\n", revision_str);
- set_str(serial_str, serial, sizeof(serial_str));
+ set_str(serial_str, dev_scsi.serial, sizeof(serial_str));
printf("ID_SERIAL=%s\n", serial_str);
set_str(serial_str, serial_short, sizeof(serial_str));
printf("ID_SERIAL_SHORT=%s\n", serial_str);
printf("ID_TYPE=%s\n", type_str);
- if (bus_str != NULL)
- printf("ID_BUS=%s\n", bus_str);
} else {
if (reformat_serial)
- format_serial(serial);
- if (display_bus_id)
- printf("%s: ", dev_scsi->kernel);
- printf("%s\n", serial);
+ format_serial(dev_scsi.serial);
+ printf("%s\n", dev_scsi.serial);
}
- dbg("%s\n", serial);
+ dbg("%s\n", dev_scsi.serial);
retval = 0;
}
- if (!dev_specified)
- unlink(maj_min_dev);
-
return retval;
}
int main(int argc, char **argv)
{
int retval = 0;
- char devpath[MAX_PATH_LEN];
char maj_min_dev[MAX_PATH_LEN];
int newargc;
- const char *env;
char **newargv;
logging_init("scsi_id");
- sysfs_init();
dbg("argc is %d\n", argc);
- /* sysfs path can be overridden for testing */
- env = getenv("SYSFS_PATH");
- if (env) {
- strncpy(sysfs_path, env, sizeof(sysfs_path));
- sysfs_path[sizeof(sysfs_path)-1] = '\0';
- } else
- strcpy(sysfs_path, "/sys");
-
- env = getenv("DEVPATH");
- if (env) {
- hotplug_mode = 1;
- sys_specified = 1;
- strncpy(devpath, env, MAX_PATH_LEN);
- devpath[sizeof(devpath)-1] = '\0';
- }
-
/*
* Get config file options.
*/
goto exit;
}
if (newargv && (retval == 0)) {
- if (set_options(newargc, newargv, short_options, devpath,
- maj_min_dev) < 0) {
+ if (set_options(newargc, newargv, short_options, maj_min_dev) < 0) {
retval = 2;
goto exit;
}
}
/*
- * Get command line options (overriding any config file or DEVPATH
- * settings).
+ * Get command line options (overriding any config file settings).
*/
- if (set_options(argc, argv, short_options, devpath, maj_min_dev) < 0)
+ if (set_options(argc, argv, short_options, maj_min_dev) < 0)
exit(1);
- if (!sys_specified) {
- info("--devpath=<path> must be specified\n");
+ if (!dev_specified) {
+ info("no device specified\n");
retval = 1;
goto exit;
}
- retval = scsi_id(devpath, maj_min_dev);
+ retval = scsi_id(maj_min_dev);
exit:
- sysfs_cleanup();
logging_close();
return retval;
}
hp->sbp, hp->sb_len_wr);
}
-static int scsi_dump_sense(struct sysfs_device *dev_scsi, struct sg_io_hdr *io)
+static int scsi_dump_sense(struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
{
unsigned char *sense_buffer;
int s;
return -1;
}
-static int scsi_dump(struct sysfs_device *dev_scsi, struct sg_io_hdr *io)
+static int scsi_dump(struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
{
if (!io->status && !io->host_status && !io->msg_status &&
!io->driver_status) {
return -1;
}
-static int scsi_inquiry(struct sysfs_device *dev_scsi, int fd,
+static int scsi_inquiry(struct scsi_id_device *dev_scsi, int fd,
unsigned char evpd, unsigned char page,
unsigned char *buf, unsigned int buflen)
{
}
/* Get list of supported EVPD pages */
-static int do_scsi_page0_inquiry(struct sysfs_device *dev_scsi, int fd,
+static int do_scsi_page0_inquiry(struct scsi_id_device *dev_scsi, int fd,
unsigned char *buffer, unsigned int len)
{
int retval;
- const char *vendor;
memset(buffer, 0, len);
retval = scsi_inquiry(dev_scsi, fd, 1, 0x0, buffer, len);
* If the vendor id appears in the page assume the page is
* invalid.
*/
- vendor = sysfs_attr_get_value(dev_scsi->devpath, "vendor");
- if (!vendor) {
- info("%s: cannot get model attribute\n", dev_scsi->kernel);
- return 1;
- }
- if (!strncmp((char *)&buffer[VENDOR_LENGTH], vendor, VENDOR_LENGTH)) {
+ if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
info("%s: invalid page0 data\n", dev_scsi->kernel);
return 1;
}
* The caller checks that serial is long enough to include the vendor +
* model.
*/
-static int prepend_vendor_model(struct sysfs_device *dev_scsi, char *serial)
+static int prepend_vendor_model(struct scsi_id_device *dev_scsi, char *serial)
{
- const char *attr;
int ind;
- attr = sysfs_attr_get_value(dev_scsi->devpath, "vendor");
- if (!attr) {
- info("%s: cannot get vendor attribute\n", dev_scsi->kernel);
- return 1;
- }
- strncpy(serial, attr, VENDOR_LENGTH);
+ strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH);
ind = strlen(serial) - 1;
- attr = sysfs_attr_get_value(dev_scsi->devpath, "model");
- if (!attr) {
- info("%s: cannot get model attribute\n", dev_scsi->kernel);
- return 1;
- }
- strncat(serial, attr, MODEL_LENGTH);
+ strncat(serial, dev_scsi->model, MODEL_LENGTH);
ind = strlen(serial) - 1;
ind++;
* check_fill_0x83_id - check the page 0x83 id, if OK allocate and fill
* serial number.
**/
-static int check_fill_0x83_id(struct sysfs_device *dev_scsi,
+static int check_fill_0x83_id(struct scsi_id_device *dev_scsi,
unsigned char *page_83,
const struct scsi_id_search_values
*id_search, char *serial, char *serial_short, int max_len)
}
/* Extract the raw binary from VPD 0x83 pre-SPC devices */
-static int check_fill_0x83_prespc3(struct sysfs_device *dev_scsi,
+static int check_fill_0x83_prespc3(struct scsi_id_device *dev_scsi,
unsigned char *page_83,
const struct scsi_id_search_values
*id_search, char *serial, char *serial_short, int max_len)
/* Get device identification VPD page */
-static int do_scsi_page83_inquiry(struct sysfs_device *dev_scsi, int fd,
+static int do_scsi_page83_inquiry(struct scsi_id_device *dev_scsi, int fd,
char *serial, char *serial_short, int len)
{
int retval;
* Return the hard coded error code value 2 if the page 83 reply is not
* conformant to the SCSI-2 format.
*/
-static int do_scsi_page83_prespc3_inquiry(struct sysfs_device *dev_scsi, int fd,
+static int do_scsi_page83_prespc3_inquiry(struct scsi_id_device *dev_scsi, int fd,
char *serial, char *serial_short, int len)
{
int retval;
}
/* Get unit serial number VPD page */
-static int do_scsi_page80_inquiry(struct sysfs_device *dev_scsi, int fd,
+static int do_scsi_page80_inquiry(struct scsi_id_device *dev_scsi, int fd,
char *serial, char *serial_short, int max_len)
{
int retval;
return 0;
}
-int scsi_std_inquiry(struct sysfs_device *dev_scsi, const char *devname,
- char *vendor, char *model, char *rev, char *type)
+int scsi_std_inquiry(struct scsi_id_device *dev_scsi, const char *devname)
{
int retval;
int fd;
unsigned char buf[SCSI_INQ_BUFF_LEN];
+ struct stat statbuf;
dbg("opening %s\n", devname);
fd = open(devname, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
- info("%s: cannot open %s: %s\n",
- dev_scsi->kernel, devname, strerror(errno));
+ info("scsi_id: cannot open %s: %s\n",
+ devname, strerror(errno));
return 1;
}
+ if (fstat(fd, &statbuf) < 0) {
+ info("scsi_id: cannot stat %s: %s\n",
+ devname, strerror(errno));
+ return 2;
+ }
+ sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev),
+ minor(statbuf.st_rdev));
+
memset(buf, 0, SCSI_INQ_BUFF_LEN);
retval = scsi_inquiry(dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
if (retval < 0)
return retval;
- memcpy(vendor, buf + 8, 8);
- memcpy(model, buf + 16, 16);
- memcpy(rev, buf + 32, 4);
- sprintf(type,"%x", buf[0] & 0x1f);
+ memcpy(dev_scsi->vendor, buf + 8, 8);
+ memcpy(dev_scsi->model, buf + 16, 16);
+ memcpy(dev_scsi->revision, buf + 32, 4);
+ sprintf(dev_scsi->type,"%x", buf[0] & 0x1f);
if (close(fd) < 0)
info("%s: close failed: %s\n", dev_scsi->kernel, strerror(errno));
return 0;
}
-int scsi_get_serial (struct sysfs_device *dev_scsi, const char *devname,
- int page_code, char *serial, char *serial_short, int len)
+int scsi_get_serial (struct scsi_id_device *dev_scsi, const char *devname,
+ int page_code, char *serial_short, int len)
{
unsigned char page0[SCSI_INQ_BUFF_LEN];
int fd;
int ind;
int retval;
- memset(serial, 0, len);
+ memset(dev_scsi->serial, 0, len);
dbg("opening %s\n", devname);
fd = open(devname, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
}
if (page_code == PAGE_80) {
- if (do_scsi_page80_inquiry(dev_scsi, fd, serial, serial_short, len)) {
+ if (do_scsi_page80_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
retval = 1;
goto completed;
} else {
goto completed;
}
} else if (page_code == PAGE_83) {
- if (do_scsi_page83_inquiry(dev_scsi, fd, serial, serial_short, len)) {
+ if (do_scsi_page83_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
retval = 1;
goto completed;
} else {
goto completed;
}
} else if (page_code == PAGE_83_PRE_SPC3) {
- retval = do_scsi_page83_prespc3_inquiry(dev_scsi, fd, serial, serial_short, len);
+ retval = do_scsi_page83_prespc3_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len);
if (retval) {
/*
* Fallback to servicing a SPC-2/3 compliant page 83
* conform to pre-SPC3 expectations.
*/
if (retval == 2) {
- if (do_scsi_page83_inquiry(dev_scsi, fd, serial, serial_short, len)) {
+ if (do_scsi_page83_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
retval = 1;
goto completed;
} else {
for (ind = 4; ind <= page0[3] + 3; ind++)
if (page0[ind] == PAGE_83)
if (!do_scsi_page83_inquiry(dev_scsi, fd,
- serial, serial_short, len)) {
+ dev_scsi->serial, serial_short, len)) {
/*
* Success
*/
for (ind = 4; ind <= page0[3] + 3; ind++)
if (page0[ind] == PAGE_80)
if (!do_scsi_page80_inquiry(dev_scsi, fd,
- serial, serial_short, len)) {
+ dev_scsi->serial, serial_short, len)) {
/*
* Success
*/