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