shaba/systemd-stable
1
1
Fork 0
mirror of https://github.com/systemd/systemd-stable.git synced 2024-10-30 14:55:26 +03:00
Code

[PATCH] update scsi_id to work with libsysfs changes

Browse Source 
Update scsi_id to work with the libsysfs changes in udev: use
sysfs_get_classdev_attr and sysfs_get_device_attr in place of
sysfs_read_attribute_value.
This commit is contained in:
patmans@us.ibm.com 2005-02-25 23:51:17 -08:00 committed by Greg KH
parent 77313cd0d1
commit 4e05e4238b
4 changed files with 34 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
extras/scsi_id/Makefile
View File

@ -14,7 +14,7 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
SCSI_ID_VERSION=0.8
SCSI_ID_VERSION=0.9
prefix =
etcdir = ${prefix}/etc

51
extras/scsi_id/scsi_id.c
View File

@ -100,23 +100,13 @@ void log_message (int level, const char *format, ...)
return;
}
int sysfs_get_attr(const char *devpath, const char *attr, char *value,
size_t bufsize)
static int get_major_minor(struct sysfs_class_device *class_dev, int *maj,
int *min)
{
char attr_path[SYSFS_PATH_MAX];
struct sysfs_attribute *dev_attr;
strncpy(attr_path, devpath, SYSFS_PATH_MAX);
strncat(attr_path, "/", SYSFS_PATH_MAX);
strncat(attr_path, attr, SYSFS_PATH_MAX);
dprintf("%s\n", attr_path);
return sysfs_read_attribute_value(attr_path, value, SYSFS_NAME_LEN);
}
static int get_major_minor(const char *devpath, int *maj, int *min)
{
char dev_value[MAX_ATTR_LEN];
if (sysfs_get_attr(devpath, "dev", dev_value, MAX_ATTR_LEN)) {
dev_attr = sysfs_get_classdev_attr(class_dev, "dev");
if (!dev_attr) {
/*
* XXX This happens a lot, since sg has no dev attr.
* And now sysfsutils does not set a meaningful errno
@ -125,27 +115,28 @@ static int get_major_minor(const char *devpath, int *maj, int *min)
* it separately.
*/
log_message(LOG_DEBUG, "%s: could not get dev attribute: %s\n",
devpath, strerror(errno));
class_dev->name, strerror(errno));
return -1;
}
dprintf("dev value %s", dev_value); /* dev_value has a trailing \n */
if (sscanf(dev_value, "%u:%u", maj, min) != 2) {
dprintf("dev value %s", dev_attr->value); /* value has a trailing \n */
if (sscanf(dev_attr->value, "%u:%u", maj, min) != 2) {
log_message(LOG_WARNING, "%s: invalid dev major/minor\n",
devpath);
class_dev->name);
return -1;
}
return 0;
}
static int create_tmp_dev(const char *devpath, char *tmpdev, int dev_type)
static int create_tmp_dev(struct sysfs_class_device *class_dev, char *tmpdev,
int dev_type)
{
int maj, min;
dprintf("(%s)\n", devpath);
dprintf("(%s)\n", class_dev->name);
if (get_major_minor(devpath, &maj, &min))
if (get_major_minor(class_dev, &maj, &min))
return -1;
snprintf(tmpdev, MAX_NAME_LEN, "%s/%s-maj%d-min%d-%u",
TMP_DIR, TMP_PREFIX, maj, min, getpid());
@ -500,8 +491,7 @@ static int per_dev_options(struct sysfs_device *scsi_dev, int *good_bad,
int retval;
int newargc;
char **newargv = NULL;
char vendor[MAX_ATTR_LEN];
char model[MAX_ATTR_LEN];
struct sysfs_attribute *vendor, *model;
int option;
*good_bad = all_good;
@ -511,19 +501,22 @@ static int per_dev_options(struct sysfs_device *scsi_dev, int *good_bad,
else
callout[0] = '\0';
if (sysfs_get_attr(scsi_dev->path, "vendor", vendor, MAX_ATTR_LEN)) {
vendor = sysfs_get_device_attr(scsi_dev, "vendor");
if (!vendor) {
log_message(LOG_WARNING, "%s: cannot get vendor attribute\n",
scsi_dev->name);
return -1;
}
if (sysfs_get_attr(scsi_dev->path, "model", model, MAX_ATTR_LEN)) {
model = sysfs_get_device_attr(scsi_dev, "model");
if (!model) {
log_message(LOG_WARNING, "%s: cannot get model attribute\n",
scsi_dev->name);
return -1;
}
retval = get_file_options(vendor, model, &newargc, &newargv);
retval = get_file_options(vendor->value, model->value, &newargc,
&newargv);
optind = 1; /* reset this global extern */
while (retval == 0) {
@ -694,10 +687,8 @@ static int scsi_id(const char *target_path, char *maj_min_dev)
/*
* mknod a temp dev to communicate with the device.
*
* XXX pass down class_dev or class_dev_parent.
*/
if (!dev_specified && create_tmp_dev(target_path, maj_min_dev,
if (!dev_specified && create_tmp_dev(class_dev, maj_min_dev,
dev_type)) {
dprintf("create_tmp_dev failed\n");
return 1;

2
extras/scsi_id/scsi_id.h
View File

@ -44,8 +44,6 @@
*/
#define MAX_BUFFER_LEN 256
extern int sysfs_get_attr(const char *devpath, const char *attr, char *value,
size_t bufsize);
extern int scsi_get_serial (struct sysfs_device *scsi_dev, const char
*devname, int page_code, char *serial, int
len);

21
extras/scsi_id/scsi_serial.c
View File

@ -364,7 +364,7 @@ static int do_scsi_page0_inquiry(struct sysfs_device *scsi_dev, int fd,
char *buffer, int len)
{
int retval;
char vendor[MAX_ATTR_LEN];
struct sysfs_attribute *vendor;
memset(buffer, 0, len);
retval = scsi_inquiry(scsi_dev, fd, 1, 0x0, buffer, len);
@ -394,14 +394,15 @@ static int do_scsi_page0_inquiry(struct sysfs_device *scsi_dev, int fd,
* If the vendor id appears in the page assume the page is
* invalid.
*/
if (sysfs_get_attr(scsi_dev->path, "vendor", vendor,
MAX_ATTR_LEN)) {
vendor = sysfs_get_device_attr(scsi_dev, "vendor");
if (!vendor) {
log_message(LOG_WARNING,
"%s: cannot get model attribute\n",
scsi_dev->name);
return 1;
}
if (!strncmp(&buffer[VENDOR_LENGTH], vendor, VENDOR_LENGTH)) {
if (!strncmp(&buffer[VENDOR_LENGTH], vendor->value,
VENDOR_LENGTH)) {
log_message(LOG_WARNING, "%s: invalid page0 data\n",
scsi_dev->name);
return 1;
@ -416,15 +417,16 @@ static int do_scsi_page0_inquiry(struct sysfs_device *scsi_dev, int fd,
*/
static int prepend_vendor_model(struct sysfs_device *scsi_dev, char *serial)
{
char attr[MAX_ATTR_LEN];
struct sysfs_attribute *attr;
int ind;
if (sysfs_get_attr(scsi_dev->path, "vendor", attr, MAX_ATTR_LEN)) {
attr = sysfs_get_device_attr(scsi_dev, "vendor");
if (!attr) {
log_message(LOG_WARNING, "%s: cannot get vendor attribute\n",
scsi_dev->name);
return 1;
}
strncpy(serial, attr, VENDOR_LENGTH);
strncpy(serial, attr->value, VENDOR_LENGTH);
ind = strlen(serial) - 1;
/*
* Remove sysfs added newlines.
@ -432,12 +434,13 @@ static int prepend_vendor_model(struct sysfs_device *scsi_dev, char *serial)
if (serial[ind] == '\n')
serial[ind] = '\0';
if (sysfs_get_attr(scsi_dev->path, "model", attr, MAX_ATTR_LEN)) {
attr = sysfs_get_device_attr(scsi_dev, "model");
if (!attr) {
log_message(LOG_WARNING, "%s: cannot get model attribute\n",
scsi_dev->name);
return 1;
}
strncat(serial, attr, MODEL_LENGTH);
strncat(serial, attr->value, MODEL_LENGTH);
ind = strlen(serial) - 1;
if (serial[ind] == '\n')
serial[ind] = '\0';