diff options
author | Anthony G. Basile <blueness@gentoo.org> | 2012-11-17 16:22:12 -0500 |
---|---|---|
committer | Anthony G. Basile <blueness@gentoo.org> | 2012-11-17 16:22:12 -0500 |
commit | 7730dfb5e1fc7e2f8b1df0eb9ef62c451a5f725f (patch) | |
tree | 1f96b7f42e8326d11be9a11f12c98ee4a30cfc70 /src/udev/scsi_id | |
parent | b0dd066bccc9bfabc3df290debc1d55dfb9596e5 (diff) |
Restructure src/ as per lu_zero
Diffstat (limited to 'src/udev/scsi_id')
-rw-r--r-- | src/udev/scsi_id/Makefile.am | 20 | ||||
-rw-r--r-- | src/udev/scsi_id/README | 4 | ||||
-rw-r--r-- | src/udev/scsi_id/scsi.h | 97 | ||||
-rw-r--r-- | src/udev/scsi_id/scsi_id.c | 634 | ||||
-rw-r--r-- | src/udev/scsi_id/scsi_id.h | 73 | ||||
-rw-r--r-- | src/udev/scsi_id/scsi_serial.c | 968 |
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; -} |