diff options
Diffstat (limited to 'drivers/s390/char/sclp_diag.h')
-rw-r--r-- | drivers/s390/char/sclp_diag.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_diag.h b/drivers/s390/char/sclp_diag.h new file mode 100644 index 000000000..796c5311b --- /dev/null +++ b/drivers/s390/char/sclp_diag.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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 */ |