linux_dsm_epyc7002/drivers/s390/char/sclp_diag.h
Ralf Hoppe 8f933b1043 s390/hmcdrv: HMC drive CD/DVD access
This device driver allows accessing a HMC drive CD/DVD-ROM.
It can be used in a LPAR and z/VM environment.

Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Ralf Hoppe <rhoppe@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2014-09-25 10:52:02 +02:00

90 lines
2.1 KiB
C

/*
* Copyright IBM Corp. 2013
* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
*/
#ifndef _SCLP_DIAG_H
#define _SCLP_DIAG_H
#include <linux/types.h>
/* return codes for Diagnostic Test FTP Service, as indicated in member
* sclp_diag_ftp::ldflg
*/
#define SCLP_DIAG_FTP_OK 0x80U /* success */
#define SCLP_DIAG_FTP_LDFAIL 0x01U /* load failed */
#define SCLP_DIAG_FTP_LDNPERM 0x02U /* not allowed */
#define SCLP_DIAG_FTP_LDRUNS 0x03U /* LD runs */
#define SCLP_DIAG_FTP_LDNRUNS 0x04U /* LD does not run */
#define SCLP_DIAG_FTP_XPCX 0x80 /* PCX communication code */
#define SCLP_DIAG_FTP_ROUTE 4 /* routing code for new FTP service */
/*
* length of Diagnostic Test FTP Service event buffer
*/
#define SCLP_DIAG_FTP_EVBUF_LEN \
(offsetof(struct sclp_diag_evbuf, mdd) + \
sizeof(struct sclp_diag_ftp))
/**
* struct sclp_diag_ftp - Diagnostic Test FTP Service model-dependent data
* @pcx: code for PCX communication (should be 0x80)
* @ldflg: load flag (see defines above)
* @cmd: FTP command
* @pgsize: page size (0 = 4kB, 1 = large page size)
* @srcflg: source flag
* @spare: reserved (zeroes)
* @offset: file offset
* @fsize: file size
* @length: buffer size resp. bytes transferred
* @failaddr: failing address
* @bufaddr: buffer address, virtual
* @asce: region or segment table designation
* @fident: file name (ASCII, zero-terminated)
*/
struct sclp_diag_ftp {
u8 pcx;
u8 ldflg;
u8 cmd;
u8 pgsize;
u8 srcflg;
u8 spare;
u64 offset;
u64 fsize;
u64 length;
u64 failaddr;
u64 bufaddr;
u64 asce;
u8 fident[256];
} __packed;
/**
* struct sclp_diag_evbuf - Diagnostic Test (ET7) Event Buffer
* @hdr: event buffer header
* @route: diagnostic route
* @mdd: model-dependent data (@route dependent)
*/
struct sclp_diag_evbuf {
struct evbuf_header hdr;
u16 route;
union {
struct sclp_diag_ftp ftp;
} mdd;
} __packed;
/**
* struct sclp_diag_sccb - Diagnostic Test (ET7) SCCB
* @hdr: SCCB header
* @evbuf: event buffer
*/
struct sclp_diag_sccb {
struct sccb_header hdr;
struct sclp_diag_evbuf evbuf;
} __packed;
#endif /* _SCLP_DIAG_H */