drivers/s390/char/sclp_diag.h

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