mirror of
https://github.com/systemd/systemd.git
synced 2024-11-05 15:21:37 +03:00
db11b20e41
For ALUA support it's useful to have the target port group number of a device. Signed-off-by: Hannes Reinecke <hare@suse.de>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
|
|
* 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,
|
|
};
|
|
|