cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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uv_geo.h (2405B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later
      2 *
      3 * This file is subject to the terms and conditions of the GNU General Public
      4 * License.  See the file "COPYING" in the main directory of this archive
      5 * for more details.
      6 *
      7 * Copyright (C) 2020 Hewlett Packard Enterprise Development LP. All rights reserved.
      8 */
      9
     10#ifndef _ASM_UV_GEO_H
     11#define _ASM_UV_GEO_H
     12
     13/* Type declarations */
     14
     15/* Size of a geoid_s structure (must be before decl. of geoid_u) */
     16#define GEOID_SIZE	8
     17
     18/* Fields common to all substructures */
     19struct geo_common_s {
     20	unsigned char type;		/* What type of h/w is named by this geoid_s */
     21	unsigned char blade;
     22	unsigned char slot;		/* slot is IRU */
     23	unsigned char upos;
     24	unsigned char rack;
     25};
     26
     27/* Additional fields for particular types of hardware */
     28struct geo_node_s {
     29	struct geo_common_s common;		/* No additional fields needed */
     30};
     31
     32struct geo_rtr_s {
     33	struct geo_common_s common;		/* No additional fields needed */
     34};
     35
     36struct geo_iocntl_s {
     37	struct geo_common_s common;		/* No additional fields needed */
     38};
     39
     40struct geo_pcicard_s {
     41	struct geo_iocntl_s common;
     42	char bus;				/* Bus/widget number */
     43	char slot;				/* PCI slot number */
     44};
     45
     46/* Subcomponents of a node */
     47struct geo_cpu_s {
     48	struct geo_node_s node;
     49	unsigned char	socket:4,	/* Which CPU on the node */
     50			thread:4;
     51	unsigned char	core;
     52};
     53
     54struct geo_mem_s {
     55	struct geo_node_s node;
     56	char membus;			/* The memory bus on the node */
     57	char memslot;			/* The memory slot on the bus */
     58};
     59
     60union geoid_u {
     61	struct geo_common_s common;
     62	struct geo_node_s node;
     63	struct geo_iocntl_s iocntl;
     64	struct geo_pcicard_s pcicard;
     65	struct geo_rtr_s rtr;
     66	struct geo_cpu_s cpu;
     67	struct geo_mem_s mem;
     68	char padsize[GEOID_SIZE];
     69};
     70
     71/* Defined constants */
     72
     73#define GEO_MAX_LEN	48
     74
     75#define GEO_TYPE_INVALID	0
     76#define GEO_TYPE_MODULE		1
     77#define GEO_TYPE_NODE		2
     78#define GEO_TYPE_RTR		3
     79#define GEO_TYPE_IOCNTL		4
     80#define GEO_TYPE_IOCARD		5
     81#define GEO_TYPE_CPU		6
     82#define GEO_TYPE_MEM		7
     83#define GEO_TYPE_MAX		(GEO_TYPE_MEM+1)
     84
     85static inline int geo_rack(union geoid_u g)
     86{
     87	return (g.common.type == GEO_TYPE_INVALID) ?
     88		-1 : g.common.rack;
     89}
     90
     91static inline int geo_slot(union geoid_u g)
     92{
     93	return (g.common.type == GEO_TYPE_INVALID) ?
     94		-1 : g.common.upos;
     95}
     96
     97static inline int geo_blade(union geoid_u g)
     98{
     99	return (g.common.type == GEO_TYPE_INVALID) ?
    100		-1 : g.common.blade * 2 + g.common.slot;
    101}
    102
    103#endif /* _ASM_UV_GEO_H */