Restructure src/ as per lu_zero

1 files changed, 0 insertions, 968 deletions

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;
-}