mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
163 lines
3.5 KiB
C
163 lines
3.5 KiB
C
/*
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* zipl - zSeries Initial Program Loader tool
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*
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* Functions for console input and output.
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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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#ifndef SCLP_H
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#define SCLP_H
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#include "libc.h"
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#include "s390.h"
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/* vector keys and ids */
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#define GDS_ID_MDSMU 0x1310
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#define GDS_ID_CPMSU 0x1212
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#define GDS_ID_TEXTCMD 0x1320
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#define GDS_KEY_SELFDEFTEXTMSG 0x31
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#define EBC_MDB 0xd4c4c240
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#define SCLP_CMD_WRITE_MASK 0x00780005
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#define SCLP_CMD_WRITE_DATA 0x00760005
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#define SCLP_CMD_READ_INFO 0x00120001
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#define SCLP_CMD_READ_INFO2 0x00020001
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#define SCLP_CMD_READ_DATA 0x00770005
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#define PSW_EXT_MASK 0x00080000ULL
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#define PSW_EXT_ADDR 0x80000000ULL
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#define PSW_WAIT_MASK 0x010a0000ULL
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#define PSW_WAIT_ADDR 0x00000000ULL
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#define CTL_SERVICE_SIGNAL 0x0200
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#define CTL_CLOCK_COMPARATOR 0x0800
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#define SCLP_INIT 0x0
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#define SCLP_DISABLE 0x1
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#define SCLP_HSA_INIT 0x2
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#define SCLP_HSA_INIT_ASYNC 0x3
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typedef uint32_t sccb_mask_t;
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struct gds_vector {
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uint16_t length;
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uint16_t gds_id;
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} __packed;
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struct gds_subvector {
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uint8_t length;
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uint8_t key;
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} __packed;
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struct sccb_header {
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uint16_t length;
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uint8_t function_code;
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uint8_t control_mask[3];
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uint16_t response_code;
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} __packed;
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struct evbuf_header {
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uint16_t length;
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uint8_t type;
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uint8_t flags;
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uint16_t _reserved;
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} __packed;
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struct mto {
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uint16_t length;
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uint16_t type;
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uint16_t line_type_flags;
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uint8_t alarm_control;
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uint8_t _reserved[3];
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} __packed;
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struct go {
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uint16_t length;
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uint16_t type;
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uint32_t domid;
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uint8_t hhmmss_time[8];
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uint8_t th_time[3];
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uint8_t reserved_0;
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uint8_t dddyyyy_date[7];
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uint8_t _reserved_1;
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uint16_t general_msg_flags;
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uint8_t _reserved_2[10];
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uint8_t originating_system_name[8];
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uint8_t job_guest_name[8];
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} __packed;
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struct mdb_header {
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uint16_t length;
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uint16_t type;
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uint32_t tag;
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uint32_t revision_code;
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} __packed;
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struct mdb {
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struct mdb_header header;
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struct go go;
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} __packed;
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struct msg_buf {
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struct evbuf_header header;
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struct mdb mdb;
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} __packed;
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struct write_sccb {
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struct sccb_header header;
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struct msg_buf msg_buf;
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} __packed;
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struct init_sccb {
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struct sccb_header header;
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uint16_t _reserved;
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uint16_t mask_length;
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sccb_mask_t receive_mask;
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sccb_mask_t send_mask;
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sccb_mask_t sclp_send_mask;
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sccb_mask_t sclp_receive_mask;
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} __packed;
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struct read_info_sccb {
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struct sccb_header header;
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uint16_t rnmax;
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uint8_t rnsize;
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uint8_t _reserved0[24-11];
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uint8_t loadparm[8];
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uint8_t reserved1[42-32];
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uint8_t fac42;
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uint8_t _reserved6[48-43];
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uint64_t facilities;
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uint8_t _reserved2[66-56];
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uint8_t fac66;
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uint8_t _reserved7[84-67];
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uint8_t fac84;
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uint8_t fac85;
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uint8_t _reserved3[91-86];
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uint8_t flags;
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uint8_t _reserved4[100-92];
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uint32_t rnsize2;
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uint64_t rnmax2;
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uint8_t _reserved5[4096-112];
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} __packed __aligned(PAGE_SIZE);
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struct read_sccb {
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struct sccb_header header;
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uint8_t data[4096-8];
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} __packed __aligned(PAGE_SIZE);
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int start_sclp(unsigned int, void *);
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int sclp_setup(int);
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int sclp_print(char *);
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int sclp_param(char *);
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int sclp_read(unsigned long, void *, int *);
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int sclp_read_info(struct read_info_sccb *sccb);
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int sclp_wait_for_int(unsigned long long);
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#endif /* SCLP_H */
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