[systemd.git] / src / udev / scsi_id / scsi_id.h

/* SPDX-License-Identifier: GPL-2.0+ */
#pragma once

/*
 * Copyright © IBM Corp. 2003
 */

#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];
};

int scsi_std_inquiry(struct scsi_id_device *dev_scsi, const char *devname);
int scsi_get_serial(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,
};
Commit	Line	Data
52ad194e	1	/* SPDX-License-Identifier: GPL-2.0+ */
aa27b158 MP	2	#pragma once
aa27b158 MP	3
663996b3	4	/*
b012e921	5	* Copyright © IBM Corp. 2003
663996b3 MS	6	*/
	7
	8	#define MAX_PATH_LEN 512
	9
	10	/*
	11	* MAX_ATTR_LEN: maximum length of the result of reading a sysfs
	12	* attribute.
	13	*/
	14	#define MAX_ATTR_LEN 256
	15
	16	/*
	17	* MAX_SERIAL_LEN: the maximum length of the serial number, including
	18	* added prefixes such as vendor and product (model) strings.
	19	*/
	20	#define MAX_SERIAL_LEN 256
	21
	22	/*
	23	* MAX_BUFFER_LEN: maximum buffer size and line length used while reading
	24	* the config file.
	25	*/
	26	#define MAX_BUFFER_LEN 256
	27
	28	struct scsi_id_device {
	29	char vendor[9];
	30	char model[17];
	31	char revision[5];
	32	char type[33];
	33	char kernel[64];
	34	char serial[MAX_SERIAL_LEN];
	35	char serial_short[MAX_SERIAL_LEN];
	36	int use_sg;
	37
	38	/* Always from page 0x80 e.g. 'B3G1P8500RWT' - may not be unique */
	39	char unit_serial_number[MAX_SERIAL_LEN];
	40
	41	/* NULs if not set - otherwise hex encoding using lower-case e.g. '50014ee0016eb572' */
	42	char wwn[17];
	43
	44	/* NULs if not set - otherwise hex encoding using lower-case e.g. '0xe00000d80000' */
	45	char wwn_vendor_extension[17];
	46
	47	/* NULs if not set - otherwise decimal number */
	48	char tgpt_group[8];
	49	};
	50
6e866b33 MB	51	int scsi_std_inquiry(struct scsi_id_device dev_scsi, const char devname);
6e866b33 MB	52	int scsi_get_serial(struct scsi_id_device dev_scsi, const char devname,
663996b3 MS	53	int page_code, int len);
	54
	55	/*
	56	* Page code values.
	57	*/
	58	enum page_code {
60f067b4 JS	59	PAGE_83_PRE_SPC3 = -0x83,
	60	PAGE_UNSPECIFIED = 0x00,
	61	PAGE_80 = 0x80,
	62	PAGE_83 = 0x83,
663996b3	63	};