[PATCH] update udev scsi_id to scsi_id 0.3

[Patrick Mansfield <patmans@us.ibm.com>]

Greg -

Can you apply this patch to update udev's scsi_id to version 0.3?

Thanks!

diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/ChangeLog udev-bk/extras/scsi_id/ChangeLog
--- udev-bk/extras/orig-scsi_id/ChangeLog	Sun Dec  7 12:29:08 2003
+++ udev-bk/extras/scsi_id/ChangeLog	Thu Jan 15 14:48:36 2004
@@ -1,3 +1,36 @@
+2004-jan-15:
+	* Makefile: Version 0.3
+
+2004-jan-13:
+	* scsi_id.c, Makefile: Fix prefix usage with scsi_id.config.
+
+2004-jan-13:
+	* scsi_id.config: Clean up some comment entries.
+
+2004-jan-13:
+	* Makefile: Install the sample scsi_id.config file.
+
+2004-jan-13:
+	* Makefile: Use DESTDIR in all install/uninstall rules, per
+	  problem reported by Svetoslav Slavtchev.
+
+2004-jan-12:
+	* scsi_id.h, scsi_id.c, scsi_serial.c: Fix to work with current
+	  sysfs 0.4, based on patch from Dan Stekloff, but uses
+	  sysfs_read_attribute_value instead of
+	  sysfs_get_value_from_attributes.
+
+2004-jan-08:
+	* scsi_id.c: SYSFS_BUS_DIR was replaced with SYSFS_BUS_NAME.
+
+2004-jan-08:
+	* scsi_id.c: Must now use sysfs_open_class_device_path instead of the
+	  previous sysfs_open_class_device.
+
+2003-dec-07:
+	* Makefile: patch from Olaf Hering <olh@suse.de> remove DEBUG and
+	  add --fno-builtin
+
 2003-dec-05:
 	* Makefile, scsi_id.8: Add a man page.
 
@@ -53,12 +86,12 @@
 	  is no support for that in klibc.
 
 2003-nov-17:
-	* scsi_id.c: Patch from Brian King: check result of setting model,
-	  not vendor in per_dev_options.
+	* scsi_id.c: Patch from Brian King <brking@us.ibm.com>: check
+	  result of setting model, not vendor in per_dev_options.
 
 2003-nov-03:
 	* scsi_id.c, scsi_serial.c: Use new and correct path to libsysfs.h.
 
 2003-nov-03:
-	* scsi_id.h: Fix scsi_id.h so var args in marcros works ok with
+	* scsi_id.h: Fix scsi_id.h so var args in macros works ok with
 	  older gcc.
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/Makefile udev-bk/extras/scsi_id/Makefile
--- udev-bk/extras/orig-scsi_id/Makefile	Tue Jan 13 07:38:49 2004
+++ udev-bk/extras/scsi_id/Makefile	Thu Jan 15 15:05:00 2004
@@ -14,9 +14,10 @@
 # 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=0.2
+SCSI_ID_VERSION=0.3
 
 prefix +etcdir =        ${prefix}/etc
 sbindir =	${prefix}/sbin
 mandir =	${prefix}/usr/share/man
 
@@ -27,7 +28,7 @@ INSTALL_DATA  = ${INSTALL} -m 644
 # Note some of the variables used here are set when built under udev, and
 # otherwise might not be set.
 
-override CFLAGS+=-DSCSI_ID_VERSION=\"$(SCSI_ID_VERSION)\" -Wall
+override CFLAGS+=-Wall -fno-builtin
 
 PROG=scsi_id
 SYSFS=-lsysfs
@@ -39,25 +40,35 @@ SYSFS=-lsysfs
 # LDFLAGS=$(STRIP)
 LD=$(CC)
 
-OBJS= scsi_id.o \
-	scsi_serial.o \
+OBJS=	scsi_id.o scsi_serial.o
 
 all:	$(PROG)
 
 # XXX use a compressed man page?
 
 install: all
-	$(INSTALL_PROGRAM) -D $(PROG) $(sbindir)/$(PROG)
+	$(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(sbindir)/$(PROG)
 	$(INSTALL_DATA) -D scsi_id.8 $(DESTDIR)$(mandir)/man8/scsi_id.8
+	@if [ ! -r $(DESTDIR)$(etcdir)/scsi_id.config ]; then \
+		echo $(INSTALL_DATA) -D ./scsi_id.config  $(DESTDIR)$(etcdir); \
+		$(INSTALL_DATA) -D ./scsi_id.config $(DESTDIR)$(etcdir)/scsi_id.config; \
+	fi
 	
 uninstall:
-	-rm $(sbindir)/$(PROG)
-	-rm $(mandir)/man8/scsi_id.8
-
-$(OBJS): scsi_id.h scsi.h
+	-rm $(DESTDIR)$(sbindir)/$(PROG)
+	-rm $(DESTDIR)$(mandir)/man8/scsi_id.8
+	-rm $(DESTDIR)$(etcdir)/scsi_id.config
+
+GEN_HEADER=scsi_id_version.h
+
+scsi_id_version.h:
+	@echo "/* This file is auto-generated by the Makefile */" > $@
+	@echo \#define SCSI_ID_VERSION     \"$(SCSI_ID_VERSION)\" >> $@
+	@echo \#define SCSI_ID_CONFIG_FILE     \"$(etcdir)/scsi_id.config\" >> $@
+$(OBJS): scsi_id.h scsi.h scsi_id_version.h
 
 clean:
-	rm -f $(PROG) $(OBJS)
+	rm -f $(PROG) $(OBJS) $(GEN_HEADER)
 
 $(PROG):	$(OBJS)
 	$(LD) $(LDFLAGS) -o $(PROG) $(CRT0) $(OBJS) $(SYSFS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/README udev-bk/extras/scsi_id/README
--- udev-bk/extras/orig-scsi_id/README	Sun Dec  7 12:29:08 2003
+++ udev-bk/extras/scsi_id/README	Thu Jan 15 14:51:58 2004
@@ -7,12 +7,7 @@ Requires:
 
 	- Linux kernel 2.6
 
-	- libsysfs
-
-No man page yet.
-
-libsysfs 0_2_0 was not installing libsysfs.h or dlist.h, manually copy
-those files to /usr/include/sys before compiling.
+	- sysfsutils 0.4
 
 Build via make and make install.
 
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/TODO udev-bk/extras/scsi_id/TODO
--- udev-bk/extras/orig-scsi_id/TODO	Sun Dec  7 12:29:08 2003
+++ udev-bk/extras/scsi_id/TODO	Tue Jan 13 16:26:09 2004
@@ -1,4 +1,4 @@
-- add information abou the config file to the man page
+- add information about the config file to the man page
 
 - change so non-KLIBC builds under udev don't use /usr/include/sysfs,
   but instead use the sysfs included with udev (needs udev change and/or
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/release-notes udev-bk/extras/scsi_id/release-notes
--- udev-bk/extras/orig-scsi_id/release-notes	Wed Dec 31 16:00:00 1969
+++ udev-bk/extras/scsi_id/release-notes	Thu Jan 15 14:48:04 2004
@@ -0,0 +1,39 @@
+Version 0.3 of scsi_id is available at:
+
+http://www-124.ibm.com/storageio/scsi_id/scsi_id-0.3.tar.gz
+
+scsi_id is a program to generate a SCSI unique identifier for a given SCSI
+device.
+
+It is primarily for use with udev callout config entries. It can also be
+used for automatic multi-path configuration or device mapper configuration.
+
+Version 0.3 requires:
+
+- Linux kernel 2.6
+- libsysfs 0.4.0
+
+Major changes since the last release:
+
+	- Changes to work with libsysfs 0.4.0
+
+All changes:
+
+	- fix "prefix" usage for path to scsi_id.config
+
+	- install the sample scsi_id.config file.
+
+	- Use DESTDIR in all install/uninstall rules, per problem reported
+	  by Svetoslav Slavtchev.
+
+	- Fix to work with current sysfs 0.4, based on patch from Dan
+	  Stekloff, but uses sysfs_read_attribute_value instead of
+	  sysfs_get_value_from_attributes.
+
+	- SYSFS_BUS_DIR was replaced with SYSFS_BUS_NAME.
+
+	- Must now use sysfs_open_class_device_path instead of the
+	  previous sysfs_open_class_device.
+
+	- patch from Olaf Hering <olh@suse.de> remove DEBUG and
+	  add --fno-builtin
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/scsi_id.c udev-bk/extras/scsi_id/scsi_id.c
--- udev-bk/extras/orig-scsi_id/scsi_id.c	Fri Jan  9 11:34:35 2004
+++ udev-bk/extras/scsi_id/scsi_id.c	Tue Jan 13 16:25:46 2004
@@ -40,6 +40,7 @@
 #else
 #include <sysfs/libsysfs.h>
 #endif
+#include "scsi_id_version.h"
 #include "scsi_id.h"
 
 #ifndef SCSI_ID_VERSION
@@ -53,8 +54,6 @@
 #define TMP_DIR	"/tmp"
 #define TMP_PREFIX "scsi"
 
-#define CONFIG_FILE "/etc/scsi_id.config"
-
 static const char short_options[] = "bc:d:ef:gip:s:vV";
 /*
  * Just duplicate per dev options.
@@ -67,7 +66,7 @@ static int all_good;
 static char *default_callout;
 static int dev_specified;
 static int sys_specified;
-static char config_file[MAX_NAME_LEN] = CONFIG_FILE;
+static char config_file[MAX_NAME_LEN] = SCSI_ID_CONFIG_FILE;
 static int display_bus_id;
 static int default_page_code;
 static int use_stderr;
@@ -102,6 +101,18 @@ void log_message (int level, const char 
 	return;
 }
 
+int sysfs_get_attr(const char *devpath, const char *attr, char *value,
+		   size_t bufsize)
+{
+	char attr_path[SYSFS_PATH_MAX];
+
+	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 sysfs_get_actual_dev(const char *sysfs_path, char *dev, int len)
 {
 	dprintf("%s\n", sysfs_path);
@@ -153,34 +164,22 @@ static int sysfs_is_bus(const char *sysf
 
 static int get_major_minor(const char *devpath, int *major, int *minor)
 {
-	struct sysfs_class_device *class_dev;
-	char dev_value[SYSFS_NAME_LEN];
-	char *dev;
-
-	dprintf("%s\n", devpath);
-	class_dev = sysfs_open_class_device_path(devpath);
-	if (!class_dev) {
-		log_message(LOG_WARNING, "open class %s failed: %s\n", devpath,
-			    strerror(errno));
-		return -1;
-	}
+	char dev_value[MAX_ATTR_LEN];
 
-	dev = sysfs_get_attr(class_dev, "dev");
-	if (dev)
-		strncpy(dev_value, dev, SYSFS_NAME_LEN);
-	sysfs_close_class_device(class_dev);
-	if (!dev) {
+	if (sysfs_get_attr(devpath, "dev", dev_value, MAX_ATTR_LEN)) {
 		/*
 		 * XXX This happens a lot, since sg has no dev attr.
-		 * Someday change this back to a LOG_WARNING.
+		 * And now sysfsutils does not set a meaningful errno
+		 * value. Someday change this back to a LOG_WARNING.
+		 * And if sysfsutils changes, check for ENOENT and handle
+		 * it separately.
 		 */
 		log_message(LOG_DEBUG, "%s could not get dev attribute: %s\n",
 			devpath, strerror(errno));
 		return -1;
 	}
-	dev = NULL;
 
-	dprintf("dev %s", dev_value); /* dev_value has a trailing \n */
+	dprintf("dev value %s", dev_value); /* dev_value has a trailing \n */
 	if (sscanf(dev_value, "%u:%u", major, minor) != 2) {
 		log_message(LOG_WARNING, "%s: invalid dev major/minor\n",
 			    devpath);
@@ -547,8 +546,8 @@ static int per_dev_options(struct sysfs_
 	int retval;
 	int newargc;
 	char **newargv = NULL;
-	char *vendor;
-	char *model;
+	char vendor[MAX_ATTR_LEN];
+	char model[MAX_ATTR_LEN];
 	int option;
 
 	*good_bad = all_good;
@@ -558,16 +557,14 @@ static int per_dev_options(struct sysfs_
 	else
 		callout[0] = '\0';
 
-	vendor = sysfs_get_attr(scsi_dev, "vendor");
-	if (!vendor) {
-		log_message(LOG_WARNING, "%s: no vendor attribute\n",
+	if (sysfs_get_attr(scsi_dev->path, "vendor", vendor, MAX_ATTR_LEN)) {
+		log_message(LOG_WARNING, "%s: cannot get vendor attribute\n",
 			    scsi_dev->name);
 		return -1;
 	}
 
-	model = sysfs_get_attr(scsi_dev, "model");
-	if (!model) {
-		log_message(LOG_WARNING, "%s: no model attribute\n",
+	if (sysfs_get_attr(scsi_dev->path, "model", model, MAX_ATTR_LEN)) {
+		log_message(LOG_WARNING, "%s: cannot get model attribute\n",
 			    scsi_dev->name);
 		return -1;
 	}
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/scsi_id.config udev-bk/extras/scsi_id/scsi_id.config
--- udev-bk/extras/orig-scsi_id/scsi_id.config	Tue Dec  2 10:58:40 2003
+++ udev-bk/extras/scsi_id/scsi_id.config	Tue Jan 13 10:59:43 2004
@@ -21,7 +21,9 @@
 # vendor=string[,model=string],options=<per-device scsi_id options>
 
 #
-# If you normally don't need id's, black list everyone:
+# If you normally don't need scsi id's, or might be attaching devices of
+# an unknown functionality, black list everyone. This is the default
+# behaviour (if no -b or -g is specified).
 #
 options=-b
 
@@ -30,7 +32,8 @@ options=-b
 #
 vendor=someone, model=nicedrive, options=-g
 
-# If you have all good devices on your system use, mark all as good:
+# If you all the scsi devices are your system support valid id's, remove
+# the -b line above, and mark all devices as good:
 
 ## options=-g
 
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/scsi_id.h udev-bk/extras/scsi_id/scsi_id.h
--- udev-bk/extras/orig-scsi_id/scsi_id.h	Fri Jan  9 11:34:35 2004
+++ udev-bk/extras/scsi_id/scsi_id.h	Mon Jan 12 10:23:59 2004
@@ -28,6 +28,12 @@
 #define OFFSET (2 * sizeof(unsigned int))
 
 /*
+ * MAX_ATTR_LEN: maximum length of the result of reading a sysfs
+ * attribute.
+ */
+#define	MAX_ATTR_LEN	256
+
+/*
  * MAX_SERIAL_LEN: the maximum length of the serial number, including
  * added prefixes such as vendor and product (model) strings.
  */
@@ -39,19 +45,8 @@
  */
 #define MAX_BUFFER_LEN	256
 
-static inline char *sysfs_get_attr(struct sysfs_class_device *dev,
-				    const char *attr)
-{
-	struct dlist *attributes = NULL;
-
-	attributes = sysfs_get_classdev_attributes(dev);
-
-	if (attributes = NULL)
-		return NULL;
-
-	return sysfs_get_value_from_attributes(attributes, attr);
-}
-
+extern int sysfs_get_attr(const char *devpath, const char *attr, char *value,
+			  size_t bufsize);
 extern int scsi_get_serial (struct sysfs_class_device *scsi_dev,
 			    const char *devname, int page_code, char *serial,
 			    int len);
diff -uprN -X /home/patman/dontdiff udev-bk/extras/orig-scsi_id/scsi_serial.c udev-bk/extras/scsi_id/scsi_serial.c
--- udev-bk/extras/orig-scsi_id/scsi_serial.c	Sun Dec  7 12:29:08 2003
+++ udev-bk/extras/scsi_id/scsi_serial.c	Mon Jan 12 10:23:59 2004
@@ -385,7 +385,7 @@ static int do_scsi_page0_inquiry(struct 
 				 char *buffer, int len)
 {
 	int retval;
-	char *vendor;
+	char vendor[MAX_ATTR_LEN];
 
 	memset(buffer, 0, len);
 	retval = scsi_inquiry(scsi_dev, fd, 1, 0x0, buffer, len);
@@ -415,9 +415,10 @@ static int do_scsi_page0_inquiry(struct 
 		 * If the vendor id appears in the page assume the page is
 		 * invalid.
 		 */
-		vendor = sysfs_get_attr(scsi_dev, "vendor");
-		if (!vendor) {
-			log_message(LOG_WARNING, "%s: no vendor attribute\n",
+		if (sysfs_get_attr(scsi_dev->path, "vendor", vendor,
+				   MAX_ATTR_LEN)) {
+			log_message(LOG_WARNING,
+				    "%s: cannot get model attribute\n",
 				    scsi_dev->name);
 			return 1;
 		}
@@ -437,12 +438,11 @@ static int do_scsi_page0_inquiry(struct 
 static int prepend_vendor_model(struct sysfs_class_device *scsi_dev,
 				char *serial)
 {
-	char *attr;
+	char attr[MAX_ATTR_LEN];
 	int ind;
 
-	attr = sysfs_get_attr(scsi_dev, "vendor");
-	if (!attr) {
-		log_message(LOG_WARNING, "%s: no vendor attribute\n",
+	if (sysfs_get_attr(scsi_dev->path, "vendor", attr, MAX_ATTR_LEN)) {
+		log_message(LOG_WARNING, "%s: cannot get vendor attribute\n",
 			    scsi_dev->name);
 		return 1;
 	}
@@ -454,9 +454,8 @@ static int prepend_vendor_model(struct s
 	if (serial[ind] = '\n')
 		serial[ind] = '\0';
 
-	attr = sysfs_get_attr(scsi_dev, "model");
-	if (!attr) {
-		log_message(LOG_WARNING, "%s: no model attribute\n",
+	if (sysfs_get_attr(scsi_dev->path, "model", attr, MAX_ATTR_LEN)) {
+		log_message(LOG_WARNING, "%s: cannot get model attribute\n",
 			    scsi_dev->name);
 		return 1;
 	}


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