LXR linux/drivers/s390/char/sclp

   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 */
  91