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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chsc.h (2903B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * ioctl interface for /dev/chsc
      4 *
      5 * Copyright IBM Corp. 2008, 2012
      6 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
      7 */
      8
      9#ifndef _ASM_CHSC_H
     10#define _ASM_CHSC_H
     11
     12#include <linux/types.h>
     13#include <linux/ioctl.h>
     14#include <asm/chpid.h>
     15#include <asm/schid.h>
     16
     17#define CHSC_SIZE 0x1000
     18
     19struct chsc_async_header {
     20	__u16 length;
     21	__u16 code;
     22	__u32 cmd_dependend;
     23	__u32 key : 4;
     24	__u32 : 28;
     25	struct subchannel_id sid;
     26};
     27
     28struct chsc_async_area {
     29	struct chsc_async_header header;
     30	__u8 data[CHSC_SIZE - sizeof(struct chsc_async_header)];
     31};
     32
     33struct chsc_header {
     34	__u16 length;
     35	__u16 code;
     36};
     37
     38struct chsc_sync_area {
     39	struct chsc_header header;
     40	__u8 data[CHSC_SIZE - sizeof(struct chsc_header)];
     41};
     42
     43struct chsc_response_struct {
     44	__u16 length;
     45	__u16 code;
     46	__u32 parms;
     47	__u8 data[CHSC_SIZE - 2 * sizeof(__u16) - sizeof(__u32)];
     48};
     49
     50struct chsc_chp_cd {
     51	struct chp_id chpid;
     52	int m;
     53	int fmt;
     54	struct chsc_response_struct cpcb;
     55};
     56
     57struct chsc_cu_cd {
     58	__u16 cun;
     59	__u8 cssid;
     60	int m;
     61	int fmt;
     62	struct chsc_response_struct cucb;
     63};
     64
     65struct chsc_sch_cud {
     66	struct subchannel_id schid;
     67	int fmt;
     68	struct chsc_response_struct scub;
     69};
     70
     71struct conf_id {
     72	int m;
     73	__u8 cssid;
     74	__u8 ssid;
     75};
     76
     77struct chsc_conf_info {
     78	struct conf_id id;
     79	int fmt;
     80	struct chsc_response_struct scid;
     81};
     82
     83struct ccl_parm_chpid {
     84	int m;
     85	struct chp_id chp;
     86};
     87
     88struct ccl_parm_cssids {
     89	__u8 f_cssid;
     90	__u8 l_cssid;
     91};
     92
     93struct chsc_comp_list {
     94	struct {
     95		enum {
     96			CCL_CU_ON_CHP = 1,
     97			CCL_CHP_TYPE_CAP = 2,
     98			CCL_CSS_IMG = 4,
     99			CCL_CSS_IMG_CONF_CHAR = 5,
    100			CCL_IOP_CHP = 6,
    101		} ctype;
    102		int fmt;
    103		struct ccl_parm_chpid chpid;
    104		struct ccl_parm_cssids cssids;
    105	} req;
    106	struct chsc_response_struct sccl;
    107};
    108
    109struct chsc_dcal {
    110	struct {
    111		enum {
    112			DCAL_CSS_IID_PN = 4,
    113		} atype;
    114		__u32 list_parm[2];
    115		int fmt;
    116	} req;
    117	struct chsc_response_struct sdcal;
    118};
    119
    120struct chsc_cpd_info {
    121	struct chp_id chpid;
    122	int m;
    123	int fmt;
    124	int rfmt;
    125	int c;
    126	struct chsc_response_struct chpdb;
    127};
    128
    129#define CHSC_IOCTL_MAGIC 'c'
    130
    131#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
    132#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
    133				    struct chsc_chp_cd)
    134#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
    135#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
    136#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
    137#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
    138#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
    139#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
    140#define CHSC_START_SYNC _IOWR(CHSC_IOCTL_MAGIC, 0x89, struct chsc_sync_area)
    141#define CHSC_ON_CLOSE_SET _IOWR(CHSC_IOCTL_MAGIC, 0x8a, struct chsc_async_area)
    142#define CHSC_ON_CLOSE_REMOVE _IO(CHSC_IOCTL_MAGIC, 0x8b)
    143
    144#endif