mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
e34fae7841
This set of headers comes from commit ab23167f (current master of the project on ohwr.org). They define the basic data structures for FMC and its SDB support. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Juan David Gonzalez Cobas <dcobas@cern.ch> Acked-by: Emilio G. Cota <cota@braap.org> Acked-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
136 lines
3.6 KiB
C
136 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2012 CERN (www.cern.ch)
|
|
* Author: Alessandro Rubini <rubini@gnudd.com>
|
|
*
|
|
* Released according to the GNU GPL, version 2 or any later version.
|
|
*
|
|
* This work is part of the White Rabbit project, a research effort led
|
|
* by CERN, the European Institute for Nuclear Research.
|
|
*/
|
|
#ifndef __LINUX_IPMI_FRU_H__
|
|
#define __LINUX_IPMI_FRU_H__
|
|
#ifdef __KERNEL__
|
|
# include <linux/types.h>
|
|
# include <linux/string.h>
|
|
#else
|
|
# include <stdint.h>
|
|
# include <string.h>
|
|
#endif
|
|
|
|
/*
|
|
* These structures match the unaligned crap we have in FRU1011.pdf
|
|
* (http://download.intel.com/design/servers/ipmi/FRU1011.pdf)
|
|
*/
|
|
|
|
/* chapter 8, page 5 */
|
|
struct fru_common_header {
|
|
uint8_t format; /* 0x01 */
|
|
uint8_t internal_use_off; /* multiple of 8 bytes */
|
|
uint8_t chassis_info_off; /* multiple of 8 bytes */
|
|
uint8_t board_area_off; /* multiple of 8 bytes */
|
|
uint8_t product_area_off; /* multiple of 8 bytes */
|
|
uint8_t multirecord_off; /* multiple of 8 bytes */
|
|
uint8_t pad; /* must be 0 */
|
|
uint8_t checksum; /* sum modulo 256 must be 0 */
|
|
};
|
|
|
|
/* chapter 9, page 5 -- internal_use: not used by us */
|
|
|
|
/* chapter 10, page 6 -- chassis info: not used by us */
|
|
|
|
/* chapter 13, page 9 -- used by board_info_area below */
|
|
struct fru_type_length {
|
|
uint8_t type_length;
|
|
uint8_t data[0];
|
|
};
|
|
|
|
/* chapter 11, page 7 */
|
|
struct fru_board_info_area {
|
|
uint8_t format; /* 0x01 */
|
|
uint8_t area_len; /* multiple of 8 bytes */
|
|
uint8_t language; /* I hope it's 0 */
|
|
uint8_t mfg_date[3]; /* LSB, minutes since 1996-01-01 */
|
|
struct fru_type_length tl[0]; /* type-length stuff follows */
|
|
|
|
/*
|
|
* the TL there are in order:
|
|
* Board Manufacturer
|
|
* Board Product Name
|
|
* Board Serial Number
|
|
* Board Part Number
|
|
* FRU File ID (may be null)
|
|
* more manufacturer-specific stuff
|
|
* 0xc1 as a terminator
|
|
* 0x00 pad to a multiple of 8 bytes - 1
|
|
* checksum (sum of all stuff module 256 must be zero)
|
|
*/
|
|
};
|
|
|
|
enum fru_type {
|
|
FRU_TYPE_BINARY = 0x00,
|
|
FRU_TYPE_BCDPLUS = 0x40,
|
|
FRU_TYPE_ASCII6 = 0x80,
|
|
FRU_TYPE_ASCII = 0xc0, /* not ascii: depends on language */
|
|
};
|
|
|
|
/*
|
|
* some helpers
|
|
*/
|
|
static inline struct fru_board_info_area *fru_get_board_area(
|
|
const struct fru_common_header *header)
|
|
{
|
|
/* we know for sure that the header is 8 bytes in size */
|
|
return (struct fru_board_info_area *)(header + header->board_area_off);
|
|
}
|
|
|
|
static inline int fru_type(struct fru_type_length *tl)
|
|
{
|
|
return tl->type_length & 0xc0;
|
|
}
|
|
|
|
static inline int fru_length(struct fru_type_length *tl)
|
|
{
|
|
return (tl->type_length & 0x3f) + 1; /* len of whole record */
|
|
}
|
|
|
|
/* assume ascii-latin1 encoding */
|
|
static inline int fru_strlen(struct fru_type_length *tl)
|
|
{
|
|
return fru_length(tl) - 1;
|
|
}
|
|
|
|
static inline char *fru_strcpy(char *dest, struct fru_type_length *tl)
|
|
{
|
|
int len = fru_strlen(tl);
|
|
memcpy(dest, tl->data, len);
|
|
dest[len] = '\0';
|
|
return dest;
|
|
}
|
|
|
|
static inline struct fru_type_length *fru_next_tl(struct fru_type_length *tl)
|
|
{
|
|
return tl + fru_length(tl);
|
|
}
|
|
|
|
static inline int fru_is_eof(struct fru_type_length *tl)
|
|
{
|
|
return tl->type_length == 0xc1;
|
|
}
|
|
|
|
/*
|
|
* External functions defined in fru-parse.c.
|
|
*/
|
|
extern int fru_header_cksum_ok(struct fru_common_header *header);
|
|
extern int fru_bia_cksum_ok(struct fru_board_info_area *bia);
|
|
|
|
/* All these 4 return allocated strings by calling fru_alloc() */
|
|
extern char *fru_get_board_manufacturer(struct fru_common_header *header);
|
|
extern char *fru_get_product_name(struct fru_common_header *header);
|
|
extern char *fru_get_serial_number(struct fru_common_header *header);
|
|
extern char *fru_get_part_number(struct fru_common_header *header);
|
|
|
|
/* This must be defined by the caller of the above functions */
|
|
extern void *fru_alloc(size_t size);
|
|
|
|
#endif /* __LINUX_IMPI_FRU_H__ */
|