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arch/s390/pci/pci_bus.h: zpci_bus_init - only declaration left after commit05bc1be6db("s390/pci: create zPCI bus") arch/s390/include/asm/gmap.h: gmap_pte_notify - only declaration left after commit4be130a084("s390/mm: add shadow gmap support") arch/s390/include/asm/pgalloc.h: rcu_table_freelist_finish - only declaration left after commit36409f6353("[S390] use generic RCU page-table freeing code") arch/s390/include/asm/tlbflush.h: smp_ptlb_all - only declaration left after commit5a79859ae0("s390: remove 31 bit support") arch/s390/include/asm/vtimer.h: init_cpu_vtimer - only declaration left after commitb5f87f15e2("s390/idle: consolidate idle functions and definitions") arch/s390/include/asm/pci.h: zpci_debug_info - only declaration left after commit386aa051fb("s390/pci: remove per device debug attribute") arch/s390/include/asm/vdso.h: vdso_alloc_boot_cpu - only declaration left after commit4bff8cb545("s390: convert to GENERIC_VDSO") arch/s390/include/asm/smp.h: smp_vcpu_scheduled - only declaration left after commit67626fadd2("s390: enforce CONFIG_SMP") arch/s390/kernel/entry.h: restart_call_handler - only declaration left after commit8b646bd759("[S390] rework smp code") arch/s390/kernel/entry.h: startup_init_nobss - only declaration left after commit2e83e0eb85("s390: clean .bss before running uncompressed kernel") arch/s390/kernel/entry.h: s390_early_resume - only declaration left after commit394216275c("s390: remove broken hibernate / power management support") drivers/s390/char/raw3270.h: raw3270_request_alloc_bootmem - only declaration left after commit33403dcfcd("[S390] 3270 console: convert from bootmem to slab") drivers/s390/cio/device.h: ccw_device_schedule_sch_unregister - only declaration left after commit37de53bb52("[S390] cio: introduce ccw device todos") drivers/s390/char/tape.h: tape_hotplug_event - has only declaration since recorded git history. drivers/s390/char/tape.h: tape_oper_handler - has only declaration since recorded git history. drivers/s390/char/tape.h: tape_noper_handler - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_check_locate - only declaration left after commit161beff8f4("s390/tape: remove tape block leftovers") drivers/s390/char/tape_std.h: tape_std_default_handler - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_unexpect_uchk_handler - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_irq - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery_has_failed - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery_succeded - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery_do_retry - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery_read_opposite - has only declaration since recorded git history. drivers/s390/char/tape_std.h: tape_std_error_recovery_HWBUG - has only declaration since recorded git history. Reviewed-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
144 lines
5.2 KiB
C
144 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* standard tape device functions for ibm tapes.
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*
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* Copyright IBM Corp. 2001, 2006
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* Author(s): Carsten Otte <cotte@de.ibm.com>
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* Tuan Ngo-Anh <ngoanh@de.ibm.com>
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* Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef _TAPE_STD_H
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#define _TAPE_STD_H
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#include <asm/tape390.h>
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/*
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* Biggest block size to handle. Currently 64K because we only build
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* channel programs without data chaining.
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*/
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#define MAX_BLOCKSIZE 65535
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/*
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* The CCW commands for the Tape type of command.
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*/
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#define INVALID_00 0x00 /* Invalid cmd */
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#define BACKSPACEBLOCK 0x27 /* Back Space block */
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#define BACKSPACEFILE 0x2f /* Back Space file */
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#define DATA_SEC_ERASE 0x97 /* Data security erase */
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#define ERASE_GAP 0x17 /* Erase Gap */
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#define FORSPACEBLOCK 0x37 /* Forward space block */
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#define FORSPACEFILE 0x3F /* Forward Space file */
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#define FORCE_STREAM_CNT 0xEB /* Forced streaming count # */
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#define NOP 0x03 /* No operation */
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#define READ_FORWARD 0x02 /* Read forward */
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#define REWIND 0x07 /* Rewind */
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#define REWIND_UNLOAD 0x0F /* Rewind and Unload */
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#define SENSE 0x04 /* Sense */
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#define NEW_MODE_SET 0xEB /* Guess it is Mode set */
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#define WRITE_CMD 0x01 /* Write */
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#define WRITETAPEMARK 0x1F /* Write Tape Mark */
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#define ASSIGN 0xB7 /* 3420 REJECT,3480 OK */
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#define CONTROL_ACCESS 0xE3 /* Set high speed */
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#define DIAG_MODE_SET 0x0B /* 3420 NOP, 3480 REJECT */
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#define LOAD_DISPLAY 0x9F /* 3420 REJECT,3480 OK */
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#define LOCATE 0x4F /* 3420 REJ, 3480 NOP */
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#define LOOP_WRITE_TO_READ 0x8B /* 3480 REJECT */
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#define MODE_SET_DB 0xDB /* 3420 REJECT,3480 OK */
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#define MODE_SET_C3 0xC3 /* for 3420 */
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#define MODE_SET_CB 0xCB /* for 3420 */
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#define MODE_SET_D3 0xD3 /* for 3420 */
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#define READ_BACKWARD 0x0C /* */
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#define READ_BLOCK_ID 0x22 /* 3420 REJECT,3480 OK */
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#define READ_BUFFER 0x12 /* 3420 REJECT,3480 OK */
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#define READ_BUFF_LOG 0x24 /* 3420 REJECT,3480 OK */
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#define RELEASE 0xD4 /* 3420 NOP, 3480 REJECT */
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#define REQ_TRK_IN_ERROR 0x1B /* 3420 NOP, 3480 REJECT */
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#define RESERVE 0xF4 /* 3420 NOP, 3480 REJECT */
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#define SENSE_GROUP_ID 0x34 /* 3420 REJECT,3480 OK */
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#define SENSE_ID 0xE4 /* 3420 REJECT,3480 OK */
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#define READ_DEV_CHAR 0x64 /* Read device characteristics */
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#define SET_DIAGNOSE 0x4B /* 3420 NOP, 3480 REJECT */
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#define SET_GROUP_ID 0xAF /* 3420 REJECT,3480 OK */
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#define SET_TAPE_WRITE_IMMED 0xC3 /* for 3480 */
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#define SUSPEND 0x5B /* 3420 REJ, 3480 NOP */
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#define SYNC 0x43 /* Synchronize (flush buffer) */
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#define UNASSIGN 0xC7 /* 3420 REJECT,3480 OK */
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#define PERF_SUBSYS_FUNC 0x77 /* 3490 CMD */
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#define READ_CONFIG_DATA 0xFA /* 3490 CMD */
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#define READ_MESSAGE_ID 0x4E /* 3490 CMD */
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#define READ_SUBSYS_DATA 0x3E /* 3490 CMD */
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#define SET_INTERFACE_ID 0x73 /* 3490 CMD */
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#define SENSE_COMMAND_REJECT 0x80
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#define SENSE_INTERVENTION_REQUIRED 0x40
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#define SENSE_BUS_OUT_CHECK 0x20
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#define SENSE_EQUIPMENT_CHECK 0x10
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#define SENSE_DATA_CHECK 0x08
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#define SENSE_OVERRUN 0x04
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#define SENSE_DEFERRED_UNIT_CHECK 0x02
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#define SENSE_ASSIGNED_ELSEWHERE 0x01
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#define SENSE_LOCATE_FAILURE 0x80
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#define SENSE_DRIVE_ONLINE 0x40
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#define SENSE_RESERVED 0x20
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#define SENSE_RECORD_SEQUENCE_ERR 0x10
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#define SENSE_BEGINNING_OF_TAPE 0x08
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#define SENSE_WRITE_MODE 0x04
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#define SENSE_WRITE_PROTECT 0x02
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#define SENSE_NOT_CAPABLE 0x01
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#define SENSE_CHANNEL_ADAPTER_CODE 0xE0
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#define SENSE_CHANNEL_ADAPTER_LOC 0x10
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#define SENSE_REPORTING_CU 0x08
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#define SENSE_AUTOMATIC_LOADER 0x04
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#define SENSE_TAPE_SYNC_MODE 0x02
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#define SENSE_TAPE_POSITIONING 0x01
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/* discipline functions */
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struct tape_request *tape_std_read_block(struct tape_device *, size_t);
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void tape_std_read_backward(struct tape_device *device,
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struct tape_request *request);
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struct tape_request *tape_std_write_block(struct tape_device *, size_t);
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/* Some non-mtop commands. */
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int tape_std_assign(struct tape_device *);
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int tape_std_unassign(struct tape_device *);
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int tape_std_read_block_id(struct tape_device *device, __u64 *id);
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int tape_std_display(struct tape_device *, struct display_struct *disp);
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int tape_std_terminate_write(struct tape_device *);
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/* Standard magnetic tape commands. */
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int tape_std_mtbsf(struct tape_device *, int);
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int tape_std_mtbsfm(struct tape_device *, int);
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int tape_std_mtbsr(struct tape_device *, int);
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int tape_std_mtcompression(struct tape_device *, int);
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int tape_std_mteom(struct tape_device *, int);
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int tape_std_mterase(struct tape_device *, int);
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int tape_std_mtfsf(struct tape_device *, int);
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int tape_std_mtfsfm(struct tape_device *, int);
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int tape_std_mtfsr(struct tape_device *, int);
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int tape_std_mtload(struct tape_device *, int);
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int tape_std_mtnop(struct tape_device *, int);
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int tape_std_mtoffl(struct tape_device *, int);
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int tape_std_mtreset(struct tape_device *, int);
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int tape_std_mtreten(struct tape_device *, int);
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int tape_std_mtrew(struct tape_device *, int);
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int tape_std_mtsetblk(struct tape_device *, int);
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int tape_std_mtunload(struct tape_device *, int);
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int tape_std_mtweof(struct tape_device *, int);
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/* Event handlers */
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void tape_std_process_eov(struct tape_device *);
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/* S390 tape types */
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enum s390_tape_type {
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tape_3480,
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tape_3490,
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tape_3590,
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tape_3592,
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};
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#endif // _TAPE_STD_H
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