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https://github.com/ibm-s390-linux/s390-tools.git
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eb06ebe245
- Move zipl/boot/error.h to include/boot - Adjust include statements in zipb/boot and genprotimg/boot - Remove error.h from tunedasd/src/tunedasd.c as not needed - Fix tunedasd/src/Makefile Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* zipl - zSeries Initial Program Loader tool
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*
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* DASD FBA specific functions
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*
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* Copyright IBM Corp. 2013, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*
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*/
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#ifndef FBA_H
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#define FBA_H
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#include "boot/error.h"
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#include "libc.h"
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#include "stage2.h"
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/* CCW COMMANDS */
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#define DASD_FBA_CCW_LOCATE 0x43
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#define DASD_FBA_CCW_LR 0x06
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#define DASD_FBA_CCW_DE 0x63
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#define DASD_FBA_CCW_WRITE 0x41
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#define DASD_FBA_CCW_READ 0x42
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#define MAX_BLOCKCT 128
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struct DE_fba_data {
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struct {
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unsigned char perm:2; /* Permissions on this extent */
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unsigned char zero:2; /* Must be zero */
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unsigned char da:1; /* usually zero */
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unsigned char diag:1; /* allow diagnose */
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unsigned char zero2:2; /* zero */
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} __packed mask;
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uint8_t zero; /* Must be zero */
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uint16_t blk_size; /* Blocksize */
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uint32_t ext_loc; /* Extent locator */
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uint32_t ext_beg; /* logical number of block 0 in extent */
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uint32_t ext_end; /* logical number of last block in extent */
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} __packed;
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struct LO_fba_data {
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struct {
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unsigned char zero:4;
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unsigned char cmd:4;
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} __packed operation;
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uint8_t auxiliary;
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uint16_t blk_ct;
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uint32_t blk_nr;
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} __packed;
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struct indirect_block {
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uint64_t *block;
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} __packed;
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#endif /* FBA_H */
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