1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * standard tape device functions for ibm tapes. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright IBM Corp. 2001, 2006 6*4882a593Smuzhiyun * Author(s): Carsten Otte <cotte@de.ibm.com> 7*4882a593Smuzhiyun * Tuan Ngo-Anh <ngoanh@de.ibm.com> 8*4882a593Smuzhiyun * Martin Schwidefsky <schwidefsky@de.ibm.com> 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef _TAPE_STD_H 12*4882a593Smuzhiyun #define _TAPE_STD_H 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <asm/tape390.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 17*4882a593Smuzhiyun * Biggest block size to handle. Currently 64K because we only build 18*4882a593Smuzhiyun * channel programs without data chaining. 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun #define MAX_BLOCKSIZE 65535 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* 23*4882a593Smuzhiyun * The CCW commands for the Tape type of command. 24*4882a593Smuzhiyun */ 25*4882a593Smuzhiyun #define INVALID_00 0x00 /* Invalid cmd */ 26*4882a593Smuzhiyun #define BACKSPACEBLOCK 0x27 /* Back Space block */ 27*4882a593Smuzhiyun #define BACKSPACEFILE 0x2f /* Back Space file */ 28*4882a593Smuzhiyun #define DATA_SEC_ERASE 0x97 /* Data security erase */ 29*4882a593Smuzhiyun #define ERASE_GAP 0x17 /* Erase Gap */ 30*4882a593Smuzhiyun #define FORSPACEBLOCK 0x37 /* Forward space block */ 31*4882a593Smuzhiyun #define FORSPACEFILE 0x3F /* Forward Space file */ 32*4882a593Smuzhiyun #define FORCE_STREAM_CNT 0xEB /* Forced streaming count # */ 33*4882a593Smuzhiyun #define NOP 0x03 /* No operation */ 34*4882a593Smuzhiyun #define READ_FORWARD 0x02 /* Read forward */ 35*4882a593Smuzhiyun #define REWIND 0x07 /* Rewind */ 36*4882a593Smuzhiyun #define REWIND_UNLOAD 0x0F /* Rewind and Unload */ 37*4882a593Smuzhiyun #define SENSE 0x04 /* Sense */ 38*4882a593Smuzhiyun #define NEW_MODE_SET 0xEB /* Guess it is Mode set */ 39*4882a593Smuzhiyun #define WRITE_CMD 0x01 /* Write */ 40*4882a593Smuzhiyun #define WRITETAPEMARK 0x1F /* Write Tape Mark */ 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define ASSIGN 0xB7 /* 3420 REJECT,3480 OK */ 43*4882a593Smuzhiyun #define CONTROL_ACCESS 0xE3 /* Set high speed */ 44*4882a593Smuzhiyun #define DIAG_MODE_SET 0x0B /* 3420 NOP, 3480 REJECT */ 45*4882a593Smuzhiyun #define LOAD_DISPLAY 0x9F /* 3420 REJECT,3480 OK */ 46*4882a593Smuzhiyun #define LOCATE 0x4F /* 3420 REJ, 3480 NOP */ 47*4882a593Smuzhiyun #define LOOP_WRITE_TO_READ 0x8B /* 3480 REJECT */ 48*4882a593Smuzhiyun #define MODE_SET_DB 0xDB /* 3420 REJECT,3480 OK */ 49*4882a593Smuzhiyun #define MODE_SET_C3 0xC3 /* for 3420 */ 50*4882a593Smuzhiyun #define MODE_SET_CB 0xCB /* for 3420 */ 51*4882a593Smuzhiyun #define MODE_SET_D3 0xD3 /* for 3420 */ 52*4882a593Smuzhiyun #define READ_BACKWARD 0x0C /* */ 53*4882a593Smuzhiyun #define READ_BLOCK_ID 0x22 /* 3420 REJECT,3480 OK */ 54*4882a593Smuzhiyun #define READ_BUFFER 0x12 /* 3420 REJECT,3480 OK */ 55*4882a593Smuzhiyun #define READ_BUFF_LOG 0x24 /* 3420 REJECT,3480 OK */ 56*4882a593Smuzhiyun #define RELEASE 0xD4 /* 3420 NOP, 3480 REJECT */ 57*4882a593Smuzhiyun #define REQ_TRK_IN_ERROR 0x1B /* 3420 NOP, 3480 REJECT */ 58*4882a593Smuzhiyun #define RESERVE 0xF4 /* 3420 NOP, 3480 REJECT */ 59*4882a593Smuzhiyun #define SENSE_GROUP_ID 0x34 /* 3420 REJECT,3480 OK */ 60*4882a593Smuzhiyun #define SENSE_ID 0xE4 /* 3420 REJECT,3480 OK */ 61*4882a593Smuzhiyun #define READ_DEV_CHAR 0x64 /* Read device characteristics */ 62*4882a593Smuzhiyun #define SET_DIAGNOSE 0x4B /* 3420 NOP, 3480 REJECT */ 63*4882a593Smuzhiyun #define SET_GROUP_ID 0xAF /* 3420 REJECT,3480 OK */ 64*4882a593Smuzhiyun #define SET_TAPE_WRITE_IMMED 0xC3 /* for 3480 */ 65*4882a593Smuzhiyun #define SUSPEND 0x5B /* 3420 REJ, 3480 NOP */ 66*4882a593Smuzhiyun #define SYNC 0x43 /* Synchronize (flush buffer) */ 67*4882a593Smuzhiyun #define UNASSIGN 0xC7 /* 3420 REJECT,3480 OK */ 68*4882a593Smuzhiyun #define PERF_SUBSYS_FUNC 0x77 /* 3490 CMD */ 69*4882a593Smuzhiyun #define READ_CONFIG_DATA 0xFA /* 3490 CMD */ 70*4882a593Smuzhiyun #define READ_MESSAGE_ID 0x4E /* 3490 CMD */ 71*4882a593Smuzhiyun #define READ_SUBSYS_DATA 0x3E /* 3490 CMD */ 72*4882a593Smuzhiyun #define SET_INTERFACE_ID 0x73 /* 3490 CMD */ 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #define SENSE_COMMAND_REJECT 0x80 75*4882a593Smuzhiyun #define SENSE_INTERVENTION_REQUIRED 0x40 76*4882a593Smuzhiyun #define SENSE_BUS_OUT_CHECK 0x20 77*4882a593Smuzhiyun #define SENSE_EQUIPMENT_CHECK 0x10 78*4882a593Smuzhiyun #define SENSE_DATA_CHECK 0x08 79*4882a593Smuzhiyun #define SENSE_OVERRUN 0x04 80*4882a593Smuzhiyun #define SENSE_DEFERRED_UNIT_CHECK 0x02 81*4882a593Smuzhiyun #define SENSE_ASSIGNED_ELSEWHERE 0x01 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #define SENSE_LOCATE_FAILURE 0x80 84*4882a593Smuzhiyun #define SENSE_DRIVE_ONLINE 0x40 85*4882a593Smuzhiyun #define SENSE_RESERVED 0x20 86*4882a593Smuzhiyun #define SENSE_RECORD_SEQUENCE_ERR 0x10 87*4882a593Smuzhiyun #define SENSE_BEGINNING_OF_TAPE 0x08 88*4882a593Smuzhiyun #define SENSE_WRITE_MODE 0x04 89*4882a593Smuzhiyun #define SENSE_WRITE_PROTECT 0x02 90*4882a593Smuzhiyun #define SENSE_NOT_CAPABLE 0x01 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun #define SENSE_CHANNEL_ADAPTER_CODE 0xE0 93*4882a593Smuzhiyun #define SENSE_CHANNEL_ADAPTER_LOC 0x10 94*4882a593Smuzhiyun #define SENSE_REPORTING_CU 0x08 95*4882a593Smuzhiyun #define SENSE_AUTOMATIC_LOADER 0x04 96*4882a593Smuzhiyun #define SENSE_TAPE_SYNC_MODE 0x02 97*4882a593Smuzhiyun #define SENSE_TAPE_POSITIONING 0x01 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun /* discipline functions */ 100*4882a593Smuzhiyun struct tape_request *tape_std_read_block(struct tape_device *, size_t); 101*4882a593Smuzhiyun void tape_std_read_backward(struct tape_device *device, 102*4882a593Smuzhiyun struct tape_request *request); 103*4882a593Smuzhiyun struct tape_request *tape_std_write_block(struct tape_device *, size_t); 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun /* Some non-mtop commands. */ 106*4882a593Smuzhiyun int tape_std_assign(struct tape_device *); 107*4882a593Smuzhiyun int tape_std_unassign(struct tape_device *); 108*4882a593Smuzhiyun int tape_std_read_block_id(struct tape_device *device, __u64 *id); 109*4882a593Smuzhiyun int tape_std_display(struct tape_device *, struct display_struct *disp); 110*4882a593Smuzhiyun int tape_std_terminate_write(struct tape_device *); 111*4882a593Smuzhiyun 112*4882a593Smuzhiyun /* Standard magnetic tape commands. */ 113*4882a593Smuzhiyun int tape_std_mtbsf(struct tape_device *, int); 114*4882a593Smuzhiyun int tape_std_mtbsfm(struct tape_device *, int); 115*4882a593Smuzhiyun int tape_std_mtbsr(struct tape_device *, int); 116*4882a593Smuzhiyun int tape_std_mtcompression(struct tape_device *, int); 117*4882a593Smuzhiyun int tape_std_mteom(struct tape_device *, int); 118*4882a593Smuzhiyun int tape_std_mterase(struct tape_device *, int); 119*4882a593Smuzhiyun int tape_std_mtfsf(struct tape_device *, int); 120*4882a593Smuzhiyun int tape_std_mtfsfm(struct tape_device *, int); 121*4882a593Smuzhiyun int tape_std_mtfsr(struct tape_device *, int); 122*4882a593Smuzhiyun int tape_std_mtload(struct tape_device *, int); 123*4882a593Smuzhiyun int tape_std_mtnop(struct tape_device *, int); 124*4882a593Smuzhiyun int tape_std_mtoffl(struct tape_device *, int); 125*4882a593Smuzhiyun int tape_std_mtreset(struct tape_device *, int); 126*4882a593Smuzhiyun int tape_std_mtreten(struct tape_device *, int); 127*4882a593Smuzhiyun int tape_std_mtrew(struct tape_device *, int); 128*4882a593Smuzhiyun int tape_std_mtsetblk(struct tape_device *, int); 129*4882a593Smuzhiyun int tape_std_mtunload(struct tape_device *, int); 130*4882a593Smuzhiyun int tape_std_mtweof(struct tape_device *, int); 131*4882a593Smuzhiyun 132*4882a593Smuzhiyun /* Event handlers */ 133*4882a593Smuzhiyun void tape_std_process_eov(struct tape_device *); 134*4882a593Smuzhiyun 135*4882a593Smuzhiyun /* S390 tape types */ 136*4882a593Smuzhiyun enum s390_tape_type { 137*4882a593Smuzhiyun tape_3480, 138*4882a593Smuzhiyun tape_3490, 139*4882a593Smuzhiyun tape_3590, 140*4882a593Smuzhiyun tape_3592, 141*4882a593Smuzhiyun }; 142*4882a593Smuzhiyun 143*4882a593Smuzhiyun #endif // _TAPE_STD_H 144