s390/char/sclp_diag.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  *    Copyright IBM Corp. 2013
0004  *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
0005  */
0006
0007 #ifndef _SCLP_DIAG_H
0008 #define _SCLP_DIAG_H
0009
0010 #include <linux/types.h>
0011
0012 /* return codes for Diagnostic Test FTP Service, as indicated in member
0013  * sclp_diag_ftp::ldflg
0014  */
0015 #define SCLP_DIAG_FTP_OK    0x80U /* success */
0016 #define SCLP_DIAG_FTP_LDFAIL    0x01U /* load failed */
0017 #define SCLP_DIAG_FTP_LDNPERM   0x02U /* not allowed */
0018 #define SCLP_DIAG_FTP_LDRUNS    0x03U /* LD runs */
0019 #define SCLP_DIAG_FTP_LDNRUNS   0x04U /* LD does not run */
0020
0021 #define SCLP_DIAG_FTP_XPCX  0x80 /* PCX communication code */
0022 #define SCLP_DIAG_FTP_ROUTE 4 /* routing code for new FTP service */
0023
0024 /*
0025  * length of Diagnostic Test FTP Service event buffer
0026  */
0027 #define SCLP_DIAG_FTP_EVBUF_LEN             \
0028     (offsetof(struct sclp_diag_evbuf, mdd) +    \
0029      sizeof(struct sclp_diag_ftp))
0030
0031 /**
0032  * struct sclp_diag_ftp - Diagnostic Test FTP Service model-dependent data
0033  * @pcx: code for PCX communication (should be 0x80)
0034  * @ldflg: load flag (see defines above)
0035  * @cmd: FTP command
0036  * @pgsize: page size (0 = 4kB, 1 = large page size)
0037  * @srcflg: source flag
0038  * @spare: reserved (zeroes)
0039  * @offset: file offset
0040  * @fsize: file size
0041  * @length: buffer size resp. bytes transferred
0042  * @failaddr: failing address
0043  * @bufaddr: buffer address, virtual
0044  * @asce: region or segment table designation
0045  * @fident: file name (ASCII, zero-terminated)
0046  */
0047 struct sclp_diag_ftp {
0048     u8 pcx;
0049     u8 ldflg;
0050     u8 cmd;
0051     u8 pgsize;
0052     u8 srcflg;
0053     u8 spare;
0054     u64 offset;
0055     u64 fsize;
0056     u64 length;
0057     u64 failaddr;
0058     u64 bufaddr;
0059     u64 asce;
0060
0061     u8 fident[256];
0062 } __packed;
0063
0064 /**
0065  * struct sclp_diag_evbuf - Diagnostic Test (ET7) Event Buffer
0066  * @hdr: event buffer header
0067  * @route: diagnostic route
0068  * @mdd: model-dependent data (@route dependent)
0069  */
0070 struct sclp_diag_evbuf {
0071     struct evbuf_header hdr;
0072     u16 route;
0073
0074     union {
0075         struct sclp_diag_ftp ftp;
0076     } mdd;
0077 } __packed;
0078
0079 /**
0080  * struct sclp_diag_sccb - Diagnostic Test (ET7) SCCB
0081  * @hdr: SCCB header
0082  * @evbuf: event buffer
0083  */
0084 struct sclp_diag_sccb {
0085
0086     struct sccb_header hdr;
0087     struct sclp_diag_evbuf evbuf;
0088 } __packed;
0089
0090 #endif /* _SCLP_DIAG_H */