From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/s390/block/dasd_fba.h | 77 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 drivers/s390/block/dasd_fba.h (limited to 'drivers/s390/block/dasd_fba.h') diff --git a/drivers/s390/block/dasd_fba.h b/drivers/s390/block/dasd_fba.h new file mode 100644 index 000000000..45ddabec4 --- /dev/null +++ b/drivers/s390/block/dasd_fba.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Author(s)......: Holger Smolinski + * Bugreports.to..: + * Copyright IBM Corp. 1999, 2000 + * + */ + +#ifndef DASD_FBA_H +#define DASD_FBA_H + +/* + * Maximum number of blocks to be chained + */ +#define DASD_FBA_MAX_BLOCKS 96 + +struct DE_fba_data { + struct { + unsigned char perm:2; /* Permissions on this extent */ + unsigned char zero:2; /* Must be zero */ + unsigned char da:1; /* usually zero */ + unsigned char diag:1; /* allow diagnose */ + unsigned char zero2:2; /* zero */ + } __attribute__ ((packed)) mask; + __u8 zero; /* Must be zero */ + __u16 blk_size; /* Blocksize */ + __u32 ext_loc; /* Extent locator */ + __u32 ext_beg; /* logical number of block 0 in extent */ + __u32 ext_end; /* logocal number of last block in extent */ +} __attribute__ ((packed)); + +struct LO_fba_data { + struct { + unsigned char zero:4; + unsigned char cmd:4; + } __attribute__ ((packed)) operation; + __u8 auxiliary; + __u16 blk_ct; + __u32 blk_nr; +} __attribute__ ((packed)); + +struct dasd_fba_characteristics { + union { + __u8 c; + struct { + unsigned char reserved:1; + unsigned char overrunnable:1; + unsigned char burst_byte:1; + unsigned char data_chain:1; + unsigned char zeros:4; + } __attribute__ ((packed)) bits; + } __attribute__ ((packed)) mode; + union { + __u8 c; + struct { + unsigned char zero0:1; + unsigned char removable:1; + unsigned char shared:1; + unsigned char zero1:1; + unsigned char mam:1; + unsigned char zeros:3; + } __attribute__ ((packed)) bits; + } __attribute__ ((packed)) features; + __u8 dev_class; + __u8 unit_type; + __u16 blk_size; + __u32 blk_per_cycl; + __u32 blk_per_bound; + __u32 blk_bdsa; + __u32 reserved0; + __u16 reserved1; + __u16 blk_ce; + __u32 reserved2; + __u16 reserved3; +} __attribute__ ((packed)); + +#endif /* DASD_FBA_H */ -- cgit v1.2.3