diff options
Diffstat (limited to 'src/udev/scsi_id/scsi_id.h')
-rw-r--r-- | src/udev/scsi_id/scsi_id.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/udev/scsi_id/scsi_id.h b/src/udev/scsi_id/scsi_id.h new file mode 100644 index 0000000..9ab3341 --- /dev/null +++ b/src/udev/scsi_id/scsi_id.h @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#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 kernel[64]; + char serial[MAX_SERIAL_LEN]; + char serial_short[MAX_SERIAL_LEN]; + unsigned type; + 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, +}; |