mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 17:26:40 +07:00
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>
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*
|
|
* This file is separate from sdb.h, because I want that one to remain
|
|
* unchanged (as far as possible) from the official sdb distribution
|
|
*
|
|
* This file and associated functionality are a playground for me to
|
|
* understand stuff which will later be implemented in more generic places.
|
|
*/
|
|
#include <linux/sdb.h>
|
|
|
|
/* This is the union of all currently defined types */
|
|
union sdb_record {
|
|
struct sdb_interconnect ic;
|
|
struct sdb_device dev;
|
|
struct sdb_bridge bridge;
|
|
struct sdb_integration integr;
|
|
struct sdb_empty empty;
|
|
};
|
|
|
|
struct fmc_device;
|
|
|
|
/* Every sdb table is turned into this structure */
|
|
struct sdb_array {
|
|
int len;
|
|
int level;
|
|
unsigned long baseaddr;
|
|
struct fmc_device *fmc; /* the device that hosts it */
|
|
struct sdb_array *parent; /* NULL at root */
|
|
union sdb_record *record; /* copies of the struct */
|
|
struct sdb_array **subtree; /* only valid for bridge items */
|
|
};
|
|
|
|
extern int fmc_scan_sdb_tree(struct fmc_device *fmc, unsigned long address);
|
|
extern void fmc_show_sdb_tree(const struct fmc_device *fmc);
|
|
extern signed long fmc_find_sdb_device(struct sdb_array *tree, uint64_t vendor,
|
|
uint32_t device, unsigned long *sz);
|
|
extern int fmc_free_sdb_tree(struct fmc_device *fmc);
|