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authorAnthony G. Basile <blueness@gentoo.org>2012-11-17 16:22:12 -0500
committerAnthony G. Basile <blueness@gentoo.org>2012-11-17 16:22:12 -0500
commit7730dfb5e1fc7e2f8b1df0eb9ef62c451a5f725f (patch)
tree1f96b7f42e8326d11be9a11f12c98ee4a30cfc70 /src/udev/scsi_id
parentb0dd066bccc9bfabc3df290debc1d55dfb9596e5 (diff)
Restructure src/ as per lu_zero
Diffstat (limited to 'src/udev/scsi_id')
-rw-r--r--src/udev/scsi_id/Makefile.am20
-rw-r--r--src/udev/scsi_id/README4
-rw-r--r--src/udev/scsi_id/scsi.h97
-rw-r--r--src/udev/scsi_id/scsi_id.c634
-rw-r--r--src/udev/scsi_id/scsi_id.h73
-rw-r--r--src/udev/scsi_id/scsi_serial.c968
6 files changed, 0 insertions, 1796 deletions
diff --git a/src/udev/scsi_id/Makefile.am b/src/udev/scsi_id/Makefile.am
deleted file mode 100644
index 9628bc2670..0000000000
--- a/src/udev/scsi_id/Makefile.am
+++ /dev/null
@@ -1,20 +0,0 @@
-ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
-
-rootprefix=@rootprefix@
-udevlibexecdir=$(rootprefix)/lib/udev
-
-udevlibexec_PROGRAMS = \
- scsi_id
-
-scsi_id_SOURCES =\
- scsi_id.c \
- scsi_serial.c \
- scsi.h \
- scsi_id.h
-
-scsi_id_LDADD = \
- $(top_srcdir)/src/libudev/libudev-private.la \
- $(top_srcdir)/src/udev/libudev-core.la
-
-EXTRA_DIST = \
- README
diff --git a/src/udev/scsi_id/README b/src/udev/scsi_id/README
deleted file mode 100644
index 9cfe73991c..0000000000
--- a/src/udev/scsi_id/README
+++ /dev/null
@@ -1,4 +0,0 @@
-scsi_id - generate a SCSI unique identifier for a given SCSI device
-
-Please send questions, comments or patches to <patmans@us.ibm.com> or
-<linux-hotplug-devel@lists.sourceforge.net>.
diff --git a/src/udev/scsi_id/scsi.h b/src/udev/scsi_id/scsi.h
deleted file mode 100644
index c423cac574..0000000000
--- a/src/udev/scsi_id/scsi.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * scsi.h
- *
- * General scsi and linux scsi specific defines and structs.
- *
- * Copyright (C) IBM Corp. 2003
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation version 2 of the License.
- */
-
-#include <scsi/scsi.h>
-
-struct scsi_ioctl_command {
- unsigned int inlen; /* excluding scsi command length */
- unsigned int outlen;
- unsigned char data[1];
- /* on input, scsi command starts here then opt. data */
-};
-
-/*
- * Default 5 second timeout
- */
-#define DEF_TIMEOUT 5000
-
-#define SENSE_BUFF_LEN 32
-
-/*
- * The request buffer size passed to the SCSI INQUIRY commands, use 254,
- * as this is a nice value for some devices, especially some of the usb
- * mass storage devices.
- */
-#define SCSI_INQ_BUFF_LEN 254
-
-/*
- * SCSI INQUIRY vendor and model (really product) lengths.
- */
-#define VENDOR_LENGTH 8
-#define MODEL_LENGTH 16
-
-#define INQUIRY_CMD 0x12
-#define INQUIRY_CMDLEN 6
-
-/*
- * INQUIRY VPD page 0x83 identifier descriptor related values. Reference the
- * SCSI Primary Commands specification for details.
- */
-
-/*
- * id type values of id descriptors. These are assumed to fit in 4 bits.
- */
-#define SCSI_ID_VENDOR_SPECIFIC 0
-#define SCSI_ID_T10_VENDOR 1
-#define SCSI_ID_EUI_64 2
-#define SCSI_ID_NAA 3
-#define SCSI_ID_RELPORT 4
-#define SCSI_ID_TGTGROUP 5
-#define SCSI_ID_LUNGROUP 6
-#define SCSI_ID_MD5 7
-#define SCSI_ID_NAME 8
-
-/*
- * Supported NAA values. These fit in 4 bits, so the "don't care" value
- * cannot conflict with real values.
- */
-#define SCSI_ID_NAA_DONT_CARE 0xff
-#define SCSI_ID_NAA_IEEE_REG 5
-#define SCSI_ID_NAA_IEEE_REG_EXTENDED 6
-
-/*
- * Supported Code Set values.
- */
-#define SCSI_ID_BINARY 1
-#define SCSI_ID_ASCII 2
-
-struct scsi_id_search_values {
- u_char id_type;
- u_char naa_type;
- u_char code_set;
-};
-
-/*
- * Following are the "true" SCSI status codes. Linux has traditionally
- * used a 1 bit right and masked version of these. So now CHECK_CONDITION
- * and friends (in <scsi/scsi.h>) are deprecated.
- */
-#define SCSI_CHECK_CONDITION 0x2
-#define SCSI_CONDITION_MET 0x4
-#define SCSI_BUSY 0x8
-#define SCSI_IMMEDIATE 0x10
-#define SCSI_IMMEDIATE_CONDITION_MET 0x14
-#define SCSI_RESERVATION_CONFLICT 0x18
-#define SCSI_COMMAND_TERMINATED 0x22
-#define SCSI_TASK_SET_FULL 0x28
-#define SCSI_ACA_ACTIVE 0x30
-#define SCSI_TASK_ABORTED 0x40
diff --git a/src/udev/scsi_id/scsi_id.c b/src/udev/scsi_id/scsi_id.c
deleted file mode 100644
index c90b6aa581..0000000000
--- a/src/udev/scsi_id/scsi_id.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/*
- * Copyright (C) IBM Corp. 2003
- * Copyright (C) SUSE Linux Products GmbH, 2006
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <string.h>
-#include <syslog.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <getopt.h>
-#include <sys/stat.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "scsi_id.h"
-
-static const struct option options[] = {
- { "device", required_argument, NULL, 'd' },
- { "config", required_argument, NULL, 'f' },
- { "page", required_argument, NULL, 'p' },
- { "blacklisted", no_argument, NULL, 'b' },
- { "whitelisted", no_argument, NULL, 'g' },
- { "replace-whitespace", no_argument, NULL, 'u' },
- { "sg-version", required_argument, NULL, 's' },
- { "verbose", no_argument, NULL, 'v' },
- { "version", no_argument, NULL, 'V' },
- { "export", no_argument, NULL, 'x' },
- { "help", no_argument, NULL, 'h' },
- {}
-};
-
-static const char short_options[] = "d:f:ghip:uvVx";
-static const char dev_short_options[] = "bgp:";
-
-static int all_good;
-static int dev_specified;
-static char config_file[MAX_PATH_LEN] = "/etc/scsi_id.config";
-static enum page_code default_page_code;
-static int sg_version = 4;
-static int use_stderr;
-static int debug;
-static int reformat_serial;
-static int export;
-static char vendor_str[64];
-static char model_str[64];
-static char vendor_enc_str[256];
-static char model_enc_str[256];
-static char revision_str[16];
-static char type_str[16];
-
-static void log_fn(struct udev *udev, int priority,
- const char *file, int line, const char *fn,
- const char *format, va_list args)
-{
- vsyslog(priority, format, args);
-}
-
-static void set_type(const char *from, char *to, size_t len)
-{
- int type_num;
- char *eptr;
- const char *type = "generic";
-
- type_num = strtoul(from, &eptr, 0);
- if (eptr != from) {
- switch (type_num) {
- case 0:
- type = "disk";
- break;
- case 1:
- type = "tape";
- break;
- case 4:
- type = "optical";
- break;
- case 5:
- type = "cd";
- break;
- case 7:
- type = "optical";
- break;
- case 0xe:
- type = "disk";
- break;
- case 0xf:
- type = "optical";
- break;
- default:
- break;
- }
- }
- util_strscpy(to, len, type);
-}
-
-/*
- * get_value:
- *
- * buf points to an '=' followed by a quoted string ("foo") or a string ending
- * with a space or ','.
- *
- * Return a pointer to the NUL terminated string, returns NULL if no
- * matches.
- */
-static char *get_value(char **buffer)
-{
- static const char *quote_string = "\"\n";
- static const char *comma_string = ",\n";
- char *val;
- const char *end;
-
- if (**buffer == '"') {
- /*
- * skip leading quote, terminate when quote seen
- */
- (*buffer)++;
- end = quote_string;
- } else {
- end = comma_string;
- }
- val = strsep(buffer, end);
- if (val && end == quote_string)
- /*
- * skip trailing quote
- */
- (*buffer)++;
-
- while (isspace(**buffer))
- (*buffer)++;
-
- return val;
-}
-
-static int argc_count(char *opts)
-{
- int i = 0;
- while (*opts != '\0')
- if (*opts++ == ' ')
- i++;
- return i;
-}
-
-/*
- * get_file_options:
- *
- * If vendor == NULL, find a line in the config file with only "OPTIONS=";
- * if vendor and model are set find the first OPTIONS line in the config
- * file that matches. Set argc and argv to match the OPTIONS string.
- *
- * vendor and model can end in '\n'.
- */
-static int get_file_options(struct udev *udev,
- const char *vendor, const char *model,
- int *argc, char ***newargv)
-{
- char *buffer;
- FILE *fd;
- char *buf;
- char *str1;
- char *vendor_in, *model_in, *options_in; /* read in from file */
- int lineno;
- int c;
- int retval = 0;
-
- fd = fopen(config_file, "re");
- if (fd == NULL) {
- if (errno == ENOENT) {
- return 1;
- } else {
- log_error("can't open %s: %s\n", config_file, strerror(errno));
- return -1;
- }
- }
-
- /*
- * Allocate a buffer rather than put it on the stack so we can
- * keep it around to parse any options (any allocated newargv
- * points into this buffer for its strings).
- */
- buffer = malloc(MAX_BUFFER_LEN);
- if (!buffer) {
- fclose(fd);
- return log_oom();
- }
-
- *newargv = NULL;
- lineno = 0;
- while (1) {
- vendor_in = model_in = options_in = NULL;
-
- buf = fgets(buffer, MAX_BUFFER_LEN, fd);
- if (buf == NULL)
- break;
- lineno++;
- if (buf[strlen(buffer) - 1] != '\n') {
- log_error("Config file line %d too long\n", lineno);
- break;
- }
-
- while (isspace(*buf))
- buf++;
-
- /* blank or all whitespace line */
- if (*buf == '\0')
- continue;
-
- /* comment line */
- if (*buf == '#')
- continue;
-
- str1 = strsep(&buf, "=");
- if (str1 && strcasecmp(str1, "VENDOR") == 0) {
- str1 = get_value(&buf);
- if (!str1) {
- retval = log_oom();
- break;
- }
- vendor_in = str1;
-
- str1 = strsep(&buf, "=");
- if (str1 && strcasecmp(str1, "MODEL") == 0) {
- str1 = get_value(&buf);
- if (!str1) {
- retval = log_oom();
- break;
- }
- model_in = str1;
- str1 = strsep(&buf, "=");
- }
- }
-
- if (str1 && strcasecmp(str1, "OPTIONS") == 0) {
- str1 = get_value(&buf);
- if (!str1) {
- retval = log_oom();
- break;
- }
- options_in = str1;
- }
-
- /*
- * Only allow: [vendor=foo[,model=bar]]options=stuff
- */
- if (!options_in || (!vendor_in && model_in)) {
- log_error("Error parsing config file line %d '%s'\n", lineno, buffer);
- retval = -1;
- break;
- }
- if (vendor == NULL) {
- if (vendor_in == NULL)
- break;
- } else if ((vendor_in && strncmp(vendor, vendor_in,
- strlen(vendor_in)) == 0) &&
- (!model_in || (strncmp(model, model_in,
- strlen(model_in)) == 0))) {
- /*
- * Matched vendor and optionally model.
- *
- * Note: a short vendor_in or model_in can
- * give a partial match (that is FOO
- * matches FOOBAR).
- */
- break;
- }
- }
-
- if (retval == 0) {
- if (vendor_in != NULL || model_in != NULL ||
- options_in != NULL) {
- /*
- * Something matched. Allocate newargv, and store
- * values found in options_in.
- */
- strcpy(buffer, options_in);
- c = argc_count(buffer) + 2;
- *newargv = calloc(c, sizeof(**newargv));
- if (!*newargv) {
- retval = log_oom();
- } else {
- *argc = c;
- c = 0;
- /*
- * argv[0] at 0 is skipped by getopt, but
- * store the buffer address there for
- * later freeing
- */
- (*newargv)[c] = buffer;
- for (c = 1; c < *argc; c++)
- (*newargv)[c] = strsep(&buffer, " \t");
- }
- } else {
- /* No matches */
- retval = 1;
- }
- }
- if (retval != 0)
- free(buffer);
- fclose(fd);
- return retval;
-}
-
-static int set_options(struct udev *udev,
- int argc, char **argv, const char *short_opts,
- char *maj_min_dev)
-{
- int option;
-
- /*
- * optind is a global extern used by getopt. Since we can call
- * set_options twice (once for command line, and once for config
- * file) we have to reset this back to 1.
- */
- optind = 1;
- while (1) {
- option = getopt_long(argc, argv, short_opts, options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
- case 'b':
- all_good = 0;
- break;
-
- case 'd':
- dev_specified = 1;
- util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg);
- break;
-
- case 'e':
- use_stderr = 1;
- break;
-
- case 'f':
- util_strscpy(config_file, MAX_PATH_LEN, optarg);
- break;
-
- case 'g':
- all_good = 1;
- break;
-
- case 'h':
- printf("Usage: scsi_id OPTIONS <device>\n"
- " --device= device node for SG_IO commands\n"
- " --config= location of config file\n"
- " --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n"
- " --sg-version=3|4 use SGv3 or SGv4\n"
- " --blacklisted threat device as blacklisted\n"
- " --whitelisted threat device as whitelisted\n"
- " --replace-whitespace replace all whitespaces by underscores\n"
- " --verbose verbose logging\n"
- " --version print version\n"
- " --export print values as environment keys\n"
- " --help print this help text\n\n");
- exit(0);
-
- case 'p':
- if (strcmp(optarg, "0x80") == 0) {
- default_page_code = PAGE_80;
- } else if (strcmp(optarg, "0x83") == 0) {
- default_page_code = PAGE_83;
- } else if (strcmp(optarg, "pre-spc3-83") == 0) {
- default_page_code = PAGE_83_PRE_SPC3;
- } else {
- log_error("Unknown page code '%s'\n", optarg);
- return -1;
- }
- break;
-
- case 's':
- sg_version = atoi(optarg);
- if (sg_version < 3 || sg_version > 4) {
- log_error("Unknown SG version '%s'\n", optarg);
- return -1;
- }
- break;
-
- case 'u':
- reformat_serial = 1;
- break;
-
- case 'x':
- export = 1;
- break;
-
- case 'v':
- debug++;
- break;
-
- case 'V':
- printf("%s\n", VERSION);
- exit(0);
- break;
-
- default:
- exit(1);
- }
- }
- if (optind < argc && !dev_specified) {
- dev_specified = 1;
- util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]);
- }
- return 0;
-}
-
-static int per_dev_options(struct udev *udev,
- struct scsi_id_device *dev_scsi, int *good_bad, int *page_code)
-{
- int retval;
- int newargc;
- char **newargv = NULL;
- int option;
-
- *good_bad = all_good;
- *page_code = default_page_code;
-
- retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv);
-
- optind = 1; /* reset this global extern */
- while (retval == 0) {
- option = getopt_long(newargc, newargv, dev_short_options, options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
- case 'b':
- *good_bad = 0;
- break;
-
- case 'g':
- *good_bad = 1;
- break;
-
- case 'p':
- if (strcmp(optarg, "0x80") == 0) {
- *page_code = PAGE_80;
- } else if (strcmp(optarg, "0x83") == 0) {
- *page_code = PAGE_83;
- } else if (strcmp(optarg, "pre-spc3-83") == 0) {
- *page_code = PAGE_83_PRE_SPC3;
- } else {
- log_error("Unknown page code '%s'\n", optarg);
- retval = -1;
- }
- break;
-
- default:
- log_error("Unknown or bad option '%c' (0x%x)\n", option, option);
- retval = -1;
- break;
- }
- }
-
- if (newargv) {
- free(newargv[0]);
- free(newargv);
- }
- return retval;
-}
-
-static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, const char *path)
-{
- int retval;
-
- dev_scsi->use_sg = sg_version;
-
- retval = scsi_std_inquiry(udev, dev_scsi, path);
- if (retval)
- return retval;
-
- udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str));
- udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str));
-
- util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str));
- util_replace_chars(vendor_str, NULL);
- util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str));
- util_replace_chars(model_str, NULL);
- set_type(dev_scsi->type, type_str, sizeof(type_str));
- util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str));
- util_replace_chars(revision_str, NULL);
- return 0;
-}
-
-/*
- * scsi_id: try to get an id, if one is found, printf it to stdout.
- * returns a value passed to exit() - 0 if printed an id, else 1.
- */
-static int scsi_id(struct udev *udev, char *maj_min_dev)
-{
- struct scsi_id_device dev_scsi;
- int good_dev;
- int page_code;
- int retval = 0;
-
- memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device));
-
- if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) {
- retval = 1;
- goto out;
- }
-
- /* get per device (vendor + model) options from the config file */
- per_dev_options(udev, &dev_scsi, &good_dev, &page_code);
- if (!good_dev) {
- retval = 1;
- goto out;
- }
-
- /* read serial number from mode pages (no values for optical drives) */
- scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN);
-
- if (export) {
- char serial_str[MAX_SERIAL_LEN];
-
- printf("ID_SCSI=1\n");
- printf("ID_VENDOR=%s\n", vendor_str);
- printf("ID_VENDOR_ENC=%s\n", vendor_enc_str);
- printf("ID_MODEL=%s\n", model_str);
- printf("ID_MODEL_ENC=%s\n", model_enc_str);
- printf("ID_REVISION=%s\n", revision_str);
- printf("ID_TYPE=%s\n", type_str);
- if (dev_scsi.serial[0] != '\0') {
- util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
- util_replace_chars(serial_str, NULL);
- printf("ID_SERIAL=%s\n", serial_str);
- util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str));
- util_replace_chars(serial_str, NULL);
- printf("ID_SERIAL_SHORT=%s\n", serial_str);
- }
- if (dev_scsi.wwn[0] != '\0') {
- printf("ID_WWN=0x%s\n", dev_scsi.wwn);
- if (dev_scsi.wwn_vendor_extension[0] != '\0') {
- printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension);
- printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension);
- } else {
- printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn);
- }
- }
- if (dev_scsi.tgpt_group[0] != '\0') {
- printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group);
- }
- if (dev_scsi.unit_serial_number[0] != '\0') {
- printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number);
- }
- goto out;
- }
-
- if (dev_scsi.serial[0] == '\0') {
- retval = 1;
- goto out;
- }
-
- if (reformat_serial) {
- char serial_str[MAX_SERIAL_LEN];
-
- util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
- util_replace_chars(serial_str, NULL);
- printf("%s\n", serial_str);
- goto out;
- }
-
- printf("%s\n", dev_scsi.serial);
-out:
- return retval;
-}
-
-int main(int argc, char **argv)
-{
- struct udev *udev;
- int retval = 0;
- char maj_min_dev[MAX_PATH_LEN];
- int newargc;
- char **newargv;
-
- udev = udev_new();
- if (udev == NULL)
- goto exit;
-
- log_open();
- udev_set_log_fn(udev, log_fn);
-
- /*
- * Get config file options.
- */
- newargv = NULL;
- retval = get_file_options(udev, NULL, NULL, &newargc, &newargv);
- if (retval < 0) {
- retval = 1;
- goto exit;
- }
- if (newargv && (retval == 0)) {
- if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) {
- retval = 2;
- goto exit;
- }
- free(newargv);
- }
-
- /*
- * Get command line options (overriding any config file settings).
- */
- if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0)
- exit(1);
-
- if (!dev_specified) {
- log_error("no device specified\n");
- retval = 1;
- goto exit;
- }
-
- retval = scsi_id(udev, maj_min_dev);
-
-exit:
- udev_unref(udev);
- log_close();
- return retval;
-}
diff --git a/src/udev/scsi_id/scsi_id.h b/src/udev/scsi_id/scsi_id.h
deleted file mode 100644
index 828a98305f..0000000000
--- a/src/udev/scsi_id/scsi_id.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) IBM Corp. 2003
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#define MAX_PATH_LEN 512
-
-/*
- * 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.
- */
-#define MAX_SERIAL_LEN 256
-
-/*
- * MAX_BUFFER_LEN: maximum buffer size and line length used while reading
- * the config file.
- */
-#define MAX_BUFFER_LEN 256
-
-struct scsi_id_device {
- char vendor[9];
- char model[17];
- char revision[5];
- char type[33];
- char kernel[64];
- char serial[MAX_SERIAL_LEN];
- char serial_short[MAX_SERIAL_LEN];
- int use_sg;
-
- /* Always from page 0x80 e.g. 'B3G1P8500RWT' - may not be unique */
- char unit_serial_number[MAX_SERIAL_LEN];
-
- /* NULs if not set - otherwise hex encoding using lower-case e.g. '50014ee0016eb572' */
- char wwn[17];
-
- /* NULs if not set - otherwise hex encoding using lower-case e.g. '0xe00000d80000' */
- char wwn_vendor_extension[17];
-
- /* NULs if not set - otherwise decimal number */
- char tgpt_group[8];
-};
-
-extern int scsi_std_inquiry(struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname);
-extern int scsi_get_serial (struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname,
- int page_code, int len);
-
-/*
- * Page code values.
- */
-enum page_code {
- PAGE_83_PRE_SPC3 = -0x83,
- PAGE_UNSPECIFIED = 0x00,
- PAGE_80 = 0x80,
- PAGE_83 = 0x83,
-};
diff --git a/src/udev/scsi_id/scsi_serial.c b/src/udev/scsi_id/scsi_serial.c
deleted file mode 100644
index 3c52dee62d..0000000000
--- a/src/udev/scsi_id/scsi_serial.c
+++ /dev/null
@@ -1,968 +0,0 @@
-/*
- * Copyright (C) IBM Corp. 2003
- *
- * Author: Patrick Mansfield<patmans@us.ibm.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <time.h>
-#include <inttypes.h>
-#include <scsi/scsi.h>
-#include <scsi/sg.h>
-#include <linux/types.h>
-#include <linux/bsg.h>
-
-#include "libudev.h"
-#include "libudev-private.h"
-#include "scsi.h"
-#include "scsi_id.h"
-
-/*
- * A priority based list of id, naa, and binary/ascii for the identifier
- * descriptor in VPD page 0x83.
- *
- * Brute force search for a match starting with the first value in the
- * following id_search_list. This is not a performance issue, since there
- * is normally one or some small number of descriptors.
- */
-static const struct scsi_id_search_values id_search_list[] = {
- { SCSI_ID_TGTGROUP, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY },
- { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_BINARY },
- { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG_EXTENDED, SCSI_ID_ASCII },
- { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_BINARY },
- { SCSI_ID_NAA, SCSI_ID_NAA_IEEE_REG, SCSI_ID_ASCII },
- /*
- * Devices already exist using NAA values that are now marked
- * reserved. These should not conflict with other values, or it is
- * a bug in the device. As long as we find the IEEE extended one
- * first, we really don't care what other ones are used. Using
- * don't care here means that a device that returns multiple
- * non-IEEE descriptors in a random order will get different
- * names.
- */
- { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY },
- { SCSI_ID_NAA, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII },
- { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY },
- { SCSI_ID_EUI_64, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII },
- { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY },
- { SCSI_ID_T10_VENDOR, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII },
- { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_BINARY },
- { SCSI_ID_VENDOR_SPECIFIC, SCSI_ID_NAA_DONT_CARE, SCSI_ID_ASCII },
-};
-
-static const char hex_str[]="0123456789abcdef";
-
-/*
- * Values returned in the result/status, only the ones used by the code
- * are used here.
- */
-
-#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */
-#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */
-#define DID_TIME_OUT 0x03 /* Timed out for some other reason */
-#define DRIVER_TIMEOUT 0x06
-#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */
-
-/* The following "category" function returns one of the following */
-#define SG_ERR_CAT_CLEAN 0 /* No errors or other information */
-#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */
-#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */
-#define SG_ERR_CAT_TIMEOUT 3
-#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */
-#define SG_ERR_CAT_NOTSUPPORTED 5 /* Illegal / unsupported command */
-#define SG_ERR_CAT_SENSE 98 /* Something else in the sense buffer */
-#define SG_ERR_CAT_OTHER 99 /* Some other error/warning */
-
-static int do_scsi_page80_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int max_len);
-
-static int sg_err_category_new(struct udev *udev,
- int scsi_status, int msg_status, int
- host_status, int driver_status, const
- unsigned char *sense_buffer, int sb_len)
-{
- scsi_status &= 0x7e;
-
- /*
- * XXX change to return only two values - failed or OK.
- */
-
- if (!scsi_status && !host_status && !driver_status)
- return SG_ERR_CAT_CLEAN;
-
- if ((scsi_status == SCSI_CHECK_CONDITION) ||
- (scsi_status == SCSI_COMMAND_TERMINATED) ||
- ((driver_status & 0xf) == DRIVER_SENSE)) {
- if (sense_buffer && (sb_len > 2)) {
- int sense_key;
- unsigned char asc;
-
- if (sense_buffer[0] & 0x2) {
- sense_key = sense_buffer[1] & 0xf;
- asc = sense_buffer[2];
- } else {
- sense_key = sense_buffer[2] & 0xf;
- asc = (sb_len > 12) ? sense_buffer[12] : 0;
- }
-
- if (sense_key == RECOVERED_ERROR)
- return SG_ERR_CAT_RECOVERED;
- else if (sense_key == UNIT_ATTENTION) {
- if (0x28 == asc)
- return SG_ERR_CAT_MEDIA_CHANGED;
- if (0x29 == asc)
- return SG_ERR_CAT_RESET;
- } else if (sense_key == ILLEGAL_REQUEST) {
- return SG_ERR_CAT_NOTSUPPORTED;
- }
- }
- return SG_ERR_CAT_SENSE;
- }
- if (host_status) {
- if ((host_status == DID_NO_CONNECT) ||
- (host_status == DID_BUS_BUSY) ||
- (host_status == DID_TIME_OUT))
- return SG_ERR_CAT_TIMEOUT;
- }
- if (driver_status) {
- if (driver_status == DRIVER_TIMEOUT)
- return SG_ERR_CAT_TIMEOUT;
- }
- return SG_ERR_CAT_OTHER;
-}
-
-static int sg_err_category3(struct udev *udev, struct sg_io_hdr *hp)
-{
- return sg_err_category_new(udev,
- hp->status, hp->msg_status,
- hp->host_status, hp->driver_status,
- hp->sbp, hp->sb_len_wr);
-}
-
-static int sg_err_category4(struct udev *udev, struct sg_io_v4 *hp)
-{
- return sg_err_category_new(udev, hp->device_status, 0,
- hp->transport_status, hp->driver_status,
- (unsigned char *)(uintptr_t)hp->response,
- hp->response_len);
-}
-
-static int scsi_dump_sense(struct udev *udev,
- struct scsi_id_device *dev_scsi,
- unsigned char *sense_buffer, int sb_len)
-{
- int s;
- int code;
- int sense_class;
- int sense_key;
- int asc, ascq;
-#ifdef DUMP_SENSE
- char out_buffer[256];
- int i, j;
-#endif
-
- /*
- * Figure out and print the sense key, asc and ascq.
- *
- * If you want to suppress these for a particular drive model, add
- * a black list entry in the scsi_id config file.
- *
- * XXX We probably need to: lookup the sense/asc/ascq in a retry
- * table, and if found return 1 (after dumping the sense, asc, and
- * ascq). So, if/when we get something like a power on/reset,
- * we'll retry the command.
- */
-
- if (sb_len < 1) {
- log_debug("%s: sense buffer empty\n", dev_scsi->kernel);
- return -1;
- }
-
- sense_class = (sense_buffer[0] >> 4) & 0x07;
- code = sense_buffer[0] & 0xf;
-
- if (sense_class == 7) {
- /*
- * extended sense data.
- */
- s = sense_buffer[7] + 8;
- if (sb_len < s) {
- log_debug("%s: sense buffer too small %d bytes, %d bytes too short\n",
- dev_scsi->kernel, sb_len, s - sb_len);
- return -1;
- }
- if ((code == 0x0) || (code == 0x1)) {
- sense_key = sense_buffer[2] & 0xf;
- if (s < 14) {
- /*
- * Possible?
- */
- log_debug("%s: sense result too" " small %d bytes\n",
- dev_scsi->kernel, s);
- return -1;
- }
- asc = sense_buffer[12];
- ascq = sense_buffer[13];
- } else if ((code == 0x2) || (code == 0x3)) {
- sense_key = sense_buffer[1] & 0xf;
- asc = sense_buffer[2];
- ascq = sense_buffer[3];
- } else {
- log_debug("%s: invalid sense code 0x%x\n",
- dev_scsi->kernel, code);
- return -1;
- }
- log_debug("%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
- dev_scsi->kernel, sense_key, asc, ascq);
- } else {
- if (sb_len < 4) {
- log_debug("%s: sense buffer too small %d bytes, %d bytes too short\n",
- dev_scsi->kernel, sb_len, 4 - sb_len);
- return -1;
- }
-
- if (sense_buffer[0] < 15)
- log_debug("%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
- else
- log_debug("%s: sense = %2x %2x\n",
- dev_scsi->kernel, sense_buffer[0], sense_buffer[2]);
- log_debug("%s: non-extended sense class %d code 0x%0x\n",
- dev_scsi->kernel, sense_class, code);
-
- }
-
-#ifdef DUMP_SENSE
- for (i = 0, j = 0; (i < s) && (j < 254); i++) {
- out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4];
- out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f];
- out_buffer[j++] = ' ';
- }
- out_buffer[j] = '\0';
- log_debug("%s: sense dump:\n", dev_scsi->kernel);
- log_debug("%s: %s\n", dev_scsi->kernel, out_buffer);
-
-#endif
- return -1;
-}
-
-static int scsi_dump(struct udev *udev,
- struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
-{
- if (!io->status && !io->host_status && !io->msg_status &&
- !io->driver_status) {
- /*
- * Impossible, should not be called.
- */
- log_debug("%s: called with no error\n", __FUNCTION__);
- return -1;
- }
-
- log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
- dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status);
- if (io->status == SCSI_CHECK_CONDITION)
- return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr);
- else
- return -1;
-}
-
-static int scsi_dump_v4(struct udev *udev,
- struct scsi_id_device *dev_scsi, struct sg_io_v4 *io)
-{
- if (!io->device_status && !io->transport_status &&
- !io->driver_status) {
- /*
- * Impossible, should not be called.
- */
- log_debug("%s: called with no error\n", __FUNCTION__);
- return -1;
- }
-
- log_debug("%s: sg_io failed status 0x%x 0x%x 0x%x\n",
- dev_scsi->kernel, io->driver_status, io->transport_status,
- io->device_status);
- if (io->device_status == SCSI_CHECK_CONDITION)
- return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response,
- io->response_len);
- else
- return -1;
-}
-
-static int scsi_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- unsigned char evpd, unsigned char page,
- unsigned char *buf, unsigned int buflen)
-{
- unsigned char inq_cmd[INQUIRY_CMDLEN] =
- { INQUIRY_CMD, evpd, page, 0, buflen, 0 };
- unsigned char sense[SENSE_BUFF_LEN];
- void *io_buf;
- struct sg_io_v4 io_v4;
- struct sg_io_hdr io_hdr;
- int retry = 3; /* rather random */
- int retval;
-
- if (buflen > SCSI_INQ_BUFF_LEN) {
- log_debug("buflen %d too long\n", buflen);
- return -1;
- }
-
-resend:
- if (dev_scsi->use_sg == 4) {
- memset(&io_v4, 0, sizeof(struct sg_io_v4));
- io_v4.guard = 'Q';
- io_v4.protocol = BSG_PROTOCOL_SCSI;
- io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
- io_v4.request_len = sizeof(inq_cmd);
- io_v4.request = (uintptr_t)inq_cmd;
- io_v4.max_response_len = sizeof(sense);
- io_v4.response = (uintptr_t)sense;
- io_v4.din_xfer_len = buflen;
- io_v4.din_xferp = (uintptr_t)buf;
- io_buf = (void *)&io_v4;
- } else {
- memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
- io_hdr.interface_id = 'S';
- io_hdr.cmd_len = sizeof(inq_cmd);
- io_hdr.mx_sb_len = sizeof(sense);
- io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
- io_hdr.dxfer_len = buflen;
- io_hdr.dxferp = buf;
- io_hdr.cmdp = inq_cmd;
- io_hdr.sbp = sense;
- io_hdr.timeout = DEF_TIMEOUT;
- io_buf = (void *)&io_hdr;
- }
-
- retval = ioctl(fd, SG_IO, io_buf);
- if (retval < 0) {
- if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) {
- dev_scsi->use_sg = 3;
- goto resend;
- }
- log_debug("%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno));
- goto error;
- }
-
- if (dev_scsi->use_sg == 4)
- retval = sg_err_category4(udev, io_buf);
- else
- retval = sg_err_category3(udev, io_buf);
-
- switch (retval) {
- case SG_ERR_CAT_NOTSUPPORTED:
- buf[1] = 0;
- /* Fallthrough */
- case SG_ERR_CAT_CLEAN:
- case SG_ERR_CAT_RECOVERED:
- retval = 0;
- break;
-
- default:
- if (dev_scsi->use_sg == 4)
- retval = scsi_dump_v4(udev, dev_scsi, io_buf);
- else
- retval = scsi_dump(udev, dev_scsi, io_buf);
- }
-
- if (!retval) {
- retval = buflen;
- } else if (retval > 0) {
- if (--retry > 0)
- goto resend;
- retval = -1;
- }
-
-error:
- if (retval < 0)
- log_debug("%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
- dev_scsi->kernel, evpd, page);
-
- return retval;
-}
-
-/* Get list of supported EVPD pages */
-static int do_scsi_page0_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- unsigned char *buffer, unsigned int len)
-{
- int retval;
-
- memset(buffer, 0, len);
- retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len);
- if (retval < 0)
- return 1;
-
- if (buffer[1] != 0) {
- log_debug("%s: page 0 not available.\n", dev_scsi->kernel);
- return 1;
- }
- if (buffer[3] > len) {
- log_debug("%s: page 0 buffer too long %d\n", dev_scsi->kernel, buffer[3]);
- return 1;
- }
-
- /*
- * Following check is based on code once included in the 2.5.x
- * kernel.
- *
- * Some ill behaved devices return the standard inquiry here
- * rather than the evpd data, snoop the data to verify.
- */
- if (buffer[3] > MODEL_LENGTH) {
- /*
- * If the vendor id appears in the page assume the page is
- * invalid.
- */
- if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
- log_debug("%s: invalid page0 data\n", dev_scsi->kernel);
- return 1;
- }
- }
- return 0;
-}
-
-/*
- * The caller checks that serial is long enough to include the vendor +
- * model.
- */
-static int prepend_vendor_model(struct udev *udev,
- struct scsi_id_device *dev_scsi, char *serial)
-{
- int ind;
-
- strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH);
- strncat(serial, dev_scsi->model, MODEL_LENGTH);
- ind = strlen(serial);
-
- /*
- * This is not a complete check, since we are using strncat/cpy
- * above, ind will never be too large.
- */
- if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) {
- log_debug("%s: expected length %d, got length %d\n",
- dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind);
- return -1;
- }
- return ind;
-}
-
-/*
- * check_fill_0x83_id - check the page 0x83 id, if OK allocate and fill
- * serial number.
- */
-static int check_fill_0x83_id(struct udev *udev,
- 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, char *wwn,
- char *wwn_vendor_extension, char *tgpt_group)
-{
- int i, j, s, len;
-
- /*
- * ASSOCIATION must be with the device (value 0)
- * or with the target port for SCSI_ID_TGTPORT
- */
- if ((page_83[1] & 0x30) == 0x10) {
- if (id_search->id_type != SCSI_ID_TGTGROUP)
- return 1;
- } else if ((page_83[1] & 0x30) != 0) {
- return 1;
- }
-
- if ((page_83[1] & 0x0f) != id_search->id_type)
- return 1;
-
- /*
- * Possibly check NAA sub-type.
- */
- if ((id_search->naa_type != SCSI_ID_NAA_DONT_CARE) &&
- (id_search->naa_type != (page_83[4] & 0xf0) >> 4))
- return 1;
-
- /*
- * Check for matching code set - ASCII or BINARY.
- */
- if ((page_83[0] & 0x0f) != id_search->code_set)
- return 1;
-
- /*
- * page_83[3]: identifier length
- */
- len = page_83[3];
- if ((page_83[0] & 0x0f) != SCSI_ID_ASCII)
- /*
- * If not ASCII, use two bytes for each binary value.
- */
- len *= 2;
-
- /*
- * Add one byte for the NUL termination, and one for the id_type.
- */
- len += 2;
- if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
- len += VENDOR_LENGTH + MODEL_LENGTH;
-
- if (max_len < len) {
- log_debug("%s: length %d too short - need %d\n",
- dev_scsi->kernel, max_len, len);
- return 1;
- }
-
- if (id_search->id_type == SCSI_ID_TGTGROUP && tgpt_group != NULL) {
- unsigned int group;
-
- group = ((unsigned int)page_83[6] << 8) | page_83[7];
- sprintf(tgpt_group,"%x", group);
- return 1;
- }
-
- serial[0] = hex_str[id_search->id_type];
-
- /*
- * For SCSI_ID_VENDOR_SPECIFIC prepend the vendor and model before
- * the id since it is not unique across all vendors and models,
- * this differs from SCSI_ID_T10_VENDOR, where the vendor is
- * included in the identifier.
- */
- if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
- if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0)
- return 1;
-
- i = 4; /* offset to the start of the identifier */
- s = j = strlen(serial);
- if ((page_83[0] & 0x0f) == SCSI_ID_ASCII) {
- /*
- * ASCII descriptor.
- */
- while (i < (4 + page_83[3]))
- serial[j++] = page_83[i++];
- } else {
- /*
- * Binary descriptor, convert to ASCII, using two bytes of
- * ASCII for each byte in the page_83.
- */
- while (i < (4 + page_83[3])) {
- serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
- serial[j++] = hex_str[page_83[i] & 0x0f];
- i++;
- }
- }
-
- strcpy(serial_short, &serial[s]);
-
- if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) {
- strncpy(wwn, &serial[s], 16);
- if (wwn_vendor_extension != NULL) {
- strncpy(wwn_vendor_extension, &serial[s + 16], 16);
- }
- }
-
- return 0;
-}
-
-/* Extract the raw binary from VPD 0x83 pre-SPC devices */
-static int check_fill_0x83_prespc3(struct udev *udev,
- 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)
-{
- int i, j;
-
- serial[0] = hex_str[id_search->id_type];
- /* serial has been memset to zero before */
- j = strlen(serial); /* j = 1; */
-
- for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) {
- serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4];
- serial[j++] = hex_str[ page_83[4+i] & 0x0f];
- }
- serial[max_len-1] = 0;
- strncpy(serial_short, serial, max_len-1);
- return 0;
-}
-
-
-/* Get device identification VPD page */
-static int do_scsi_page83_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int len,
- char *unit_serial_number, char *wwn,
- char *wwn_vendor_extension, char *tgpt_group)
-{
- int retval;
- unsigned int id_ind, j;
- unsigned char page_83[SCSI_INQ_BUFF_LEN];
-
- /* also pick up the page 80 serial number */
- do_scsi_page80_inquiry(udev, dev_scsi, fd, NULL, unit_serial_number, MAX_SERIAL_LEN);
-
- memset(page_83, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83,
- SCSI_INQ_BUFF_LEN);
- if (retval < 0)
- return 1;
-
- if (page_83[1] != PAGE_83) {
- log_debug("%s: Invalid page 0x83\n", dev_scsi->kernel);
- return 1;
- }
-
- /*
- * XXX Some devices (IBM 3542) return all spaces for an identifier if
- * the LUN is not actually configured. This leads to identifiers of
- * the form: "1 ".
- */
-
- /*
- * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
- * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
- *
- * The SCSI-2 page 83 format returns an IEEE WWN in binary
- * encoded hexi-decimal in the 16 bytes following the initial
- * 4-byte page 83 reply header.
- *
- * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
- * of an Identification descriptor. The 3rd byte of the first
- * Identification descriptor is a reserved (BSZ) byte field.
- *
- * Reference the 7th byte of the page 83 reply to determine
- * whether the reply is compliant with SCSI-2 or SPC-2/3
- * specifications. A zero value in the 7th byte indicates
- * an SPC-2/3 conformant reply, (i.e., the reserved field of the
- * first Identification descriptor). This byte will be non-zero
- * for a SCSI-2 conformant page 83 reply from these EMC
- * Symmetrix models since the 7th byte of the reply corresponds
- * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
- * 0x006048.
- */
-
- if (page_83[6] != 0)
- return check_fill_0x83_prespc3(udev,
- dev_scsi, page_83, id_search_list,
- serial, serial_short, len);
-
- /*
- * Search for a match in the prioritized id_search_list - since WWN ids
- * come first we can pick up the WWN in check_fill_0x83_id().
- */
- for (id_ind = 0;
- id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]);
- id_ind++) {
- /*
- * Examine each descriptor returned. There is normally only
- * one or a small number of descriptors.
- */
- for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) {
- retval = check_fill_0x83_id(udev,
- dev_scsi, &page_83[j],
- &id_search_list[id_ind],
- serial, serial_short, len,
- wwn, wwn_vendor_extension,
- tgpt_group);
- if (!retval)
- return retval;
- else if (retval < 0)
- return retval;
- }
- }
- return 1;
-}
-
-/*
- * Get device identification VPD page for older SCSI-2 device which is not
- * compliant with either SPC-2 or SPC-3 format.
- *
- * 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 udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int len)
-{
- int retval;
- int i, j;
- unsigned char page_83[SCSI_INQ_BUFF_LEN];
-
- memset(page_83, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN);
- if (retval < 0)
- return 1;
-
- if (page_83[1] != PAGE_83) {
- log_debug("%s: Invalid page 0x83\n", dev_scsi->kernel);
- return 1;
- }
- /*
- * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
- * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
- *
- * The SCSI-2 page 83 format returns an IEEE WWN in binary
- * encoded hexi-decimal in the 16 bytes following the initial
- * 4-byte page 83 reply header.
- *
- * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
- * of an Identification descriptor. The 3rd byte of the first
- * Identification descriptor is a reserved (BSZ) byte field.
- *
- * Reference the 7th byte of the page 83 reply to determine
- * whether the reply is compliant with SCSI-2 or SPC-2/3
- * specifications. A zero value in the 7th byte indicates
- * an SPC-2/3 conformant reply, (i.e., the reserved field of the
- * first Identification descriptor). This byte will be non-zero
- * for a SCSI-2 conformant page 83 reply from these EMC
- * Symmetrix models since the 7th byte of the reply corresponds
- * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
- * 0x006048.
- */
- if (page_83[6] == 0)
- return 2;
-
- serial[0] = hex_str[id_search_list[0].id_type];
- /*
- * The first four bytes contain data, not a descriptor.
- */
- i = 4;
- j = strlen(serial);
- /*
- * Binary descriptor, convert to ASCII,
- * using two bytes of ASCII for each byte
- * in the page_83.
- */
- while (i < (page_83[3]+4)) {
- serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
- serial[j++] = hex_str[page_83[i] & 0x0f];
- i++;
- }
- return 0;
-}
-
-/* Get unit serial number VPD page */
-static int do_scsi_page80_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int max_len)
-{
- int retval;
- int ser_ind;
- int i;
- int len;
- unsigned char buf[SCSI_INQ_BUFF_LEN];
-
- memset(buf, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN);
- if (retval < 0)
- return retval;
-
- if (buf[1] != PAGE_80) {
- log_debug("%s: Invalid page 0x80\n", dev_scsi->kernel);
- return 1;
- }
-
- len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3];
- if (max_len < len) {
- log_debug("%s: length %d too short - need %d\n",
- dev_scsi->kernel, max_len, len);
- return 1;
- }
- /*
- * Prepend 'S' to avoid unlikely collision with page 0x83 vendor
- * specific type where we prepend '0' + vendor + model.
- */
- len = buf[3];
- if (serial != NULL) {
- serial[0] = 'S';
- ser_ind = prepend_vendor_model(udev, dev_scsi, &serial[1]);
- if (ser_ind < 0)
- return 1;
- ser_ind++; /* for the leading 'S' */
- for (i = 4; i < len + 4; i++, ser_ind++)
- serial[ser_ind] = buf[i];
- }
- if (serial_short != NULL) {
- memcpy(serial_short, &buf[4], len);
- serial_short[len] = '\0';
- }
- return 0;
-}
-
-int scsi_std_inquiry(struct udev *udev,
- struct scsi_id_device *dev_scsi, const char *devname)
-{
- int fd;
- unsigned char buf[SCSI_INQ_BUFF_LEN];
- struct stat statbuf;
- int err = 0;
-
- fd = open(devname, O_RDONLY | O_NONBLOCK);
- if (fd < 0) {
- log_debug("scsi_id: cannot open %s: %s\n",
- devname, strerror(errno));
- return 1;
- }
-
- if (fstat(fd, &statbuf) < 0) {
- log_debug("scsi_id: cannot stat %s: %s\n",
- devname, strerror(errno));
- err = 2;
- goto out;
- }
- sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev),
- minor(statbuf.st_rdev));
-
- memset(buf, 0, SCSI_INQ_BUFF_LEN);
- err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
- if (err < 0)
- goto out;
-
- err = 0;
- memcpy(dev_scsi->vendor, buf + 8, 8);
- dev_scsi->vendor[8] = '\0';
- memcpy(dev_scsi->model, buf + 16, 16);
- dev_scsi->model[16] = '\0';
- memcpy(dev_scsi->revision, buf + 32, 4);
- dev_scsi->revision[4] = '\0';
- sprintf(dev_scsi->type,"%x", buf[0] & 0x1f);
-
-out:
- close(fd);
- return err;
-}
-
-int scsi_get_serial(struct udev *udev,
- struct scsi_id_device *dev_scsi, const char *devname,
- int page_code, int len)
-{
- unsigned char page0[SCSI_INQ_BUFF_LEN];
- int fd = -1;
- int cnt;
- int ind;
- int retval;
-
- memset(dev_scsi->serial, 0, len);
- srand((unsigned int)getpid());
- for (cnt = 20; cnt > 0; cnt--) {
- struct timespec duration;
-
- fd = open(devname, O_RDONLY | O_NONBLOCK);
- if (fd >= 0 || errno != EBUSY)
- break;
- duration.tv_sec = 0;
- duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
- nanosleep(&duration, NULL);
- }
- if (fd < 0)
- return 1;
-
- if (page_code == PAGE_80) {
- if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) {
- retval = 1;
- goto completed;
- } else {
- retval = 0;
- goto completed;
- }
- } else if (page_code == PAGE_83) {
- if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
- retval = 1;
- goto completed;
- } else {
- retval = 0;
- goto completed;
- }
- } else if (page_code == PAGE_83_PRE_SPC3) {
- retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len);
- if (retval) {
- /*
- * Fallback to servicing a SPC-2/3 compliant page 83
- * inquiry if the page 83 reply format does not
- * conform to pre-SPC3 expectations.
- */
- if (retval == 2) {
- if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
- retval = 1;
- goto completed;
- } else {
- retval = 0;
- goto completed;
- }
- }
- else {
- retval = 1;
- goto completed;
- }
- } else {
- retval = 0;
- goto completed;
- }
- } else if (page_code != 0x00) {
- log_debug("%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
- retval = 1;
- goto completed;
- }
-
- /*
- * Get page 0, the page of the pages. By default, try from best to
- * worst of supported pages: 0x83 then 0x80.
- */
- if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) {
- /*
- * Don't try anything else. Black list if a specific page
- * should be used for this vendor+model, or maybe have an
- * optional fall-back to page 0x80 or page 0x83.
- */
- retval = 1;
- goto completed;
- }
-
- for (ind = 4; ind <= page0[3] + 3; ind++)
- if (page0[ind] == PAGE_83)
- if (!do_scsi_page83_inquiry(udev, dev_scsi, fd,
- dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
- /*
- * Success
- */
- retval = 0;
- goto completed;
- }
-
- for (ind = 4; ind <= page0[3] + 3; ind++)
- if (page0[ind] == PAGE_80)
- if (!do_scsi_page80_inquiry(udev, dev_scsi, fd,
- dev_scsi->serial, dev_scsi->serial_short, len)) {
- /*
- * Success
- */
- retval = 0;
- goto completed;
- }
- retval = 1;
-
-completed:
- close(fd);
- return retval;
-}