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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sclp_diag.h (2140B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *    Copyright IBM Corp. 2013
      4 *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
      5 */
      6
      7#ifndef _SCLP_DIAG_H
      8#define _SCLP_DIAG_H
      9
     10#include <linux/types.h>
     11
     12/* return codes for Diagnostic Test FTP Service, as indicated in member
     13 * sclp_diag_ftp::ldflg
     14 */
     15#define SCLP_DIAG_FTP_OK	0x80U /* success */
     16#define SCLP_DIAG_FTP_LDFAIL	0x01U /* load failed */
     17#define SCLP_DIAG_FTP_LDNPERM	0x02U /* not allowed */
     18#define SCLP_DIAG_FTP_LDRUNS	0x03U /* LD runs */
     19#define SCLP_DIAG_FTP_LDNRUNS	0x04U /* LD does not run */
     20
     21#define SCLP_DIAG_FTP_XPCX	0x80 /* PCX communication code */
     22#define SCLP_DIAG_FTP_ROUTE	4 /* routing code for new FTP service */
     23
     24/*
     25 * length of Diagnostic Test FTP Service event buffer
     26 */
     27#define SCLP_DIAG_FTP_EVBUF_LEN				\
     28	(offsetof(struct sclp_diag_evbuf, mdd) +	\
     29	 sizeof(struct sclp_diag_ftp))
     30
     31/**
     32 * struct sclp_diag_ftp - Diagnostic Test FTP Service model-dependent data
     33 * @pcx: code for PCX communication (should be 0x80)
     34 * @ldflg: load flag (see defines above)
     35 * @cmd: FTP command
     36 * @pgsize: page size (0 = 4kB, 1 = large page size)
     37 * @srcflg: source flag
     38 * @spare: reserved (zeroes)
     39 * @offset: file offset
     40 * @fsize: file size
     41 * @length: buffer size resp. bytes transferred
     42 * @failaddr: failing address
     43 * @bufaddr: buffer address, virtual
     44 * @asce: region or segment table designation
     45 * @fident: file name (ASCII, zero-terminated)
     46 */
     47struct sclp_diag_ftp {
     48	u8 pcx;
     49	u8 ldflg;
     50	u8 cmd;
     51	u8 pgsize;
     52	u8 srcflg;
     53	u8 spare;
     54	u64 offset;
     55	u64 fsize;
     56	u64 length;
     57	u64 failaddr;
     58	u64 bufaddr;
     59	u64 asce;
     60
     61	u8 fident[256];
     62} __packed;
     63
     64/**
     65 * struct sclp_diag_evbuf - Diagnostic Test (ET7) Event Buffer
     66 * @hdr: event buffer header
     67 * @route: diagnostic route
     68 * @mdd: model-dependent data (@route dependent)
     69 */
     70struct sclp_diag_evbuf {
     71	struct evbuf_header hdr;
     72	u16 route;
     73
     74	union {
     75		struct sclp_diag_ftp ftp;
     76	} mdd;
     77} __packed;
     78
     79/**
     80 * struct sclp_diag_sccb - Diagnostic Test (ET7) SCCB
     81 * @hdr: SCCB header
     82 * @evbuf: event buffer
     83 */
     84struct sclp_diag_sccb {
     85
     86	struct sccb_header hdr;
     87	struct sclp_diag_evbuf evbuf;
     88} __packed;
     89
     90#endif /* _SCLP_DIAG_H */