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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /*************************************************************************** * * drivers/s390/char/tape3480.c * tape device discipline for 3480 tapes. * * S390 and zSeries version * Copyright (C) 2001 IBM Corporation * Author(s): Carsten Otte <cotte@de.ibm.com> * Tuan Ngo-Anh <ngoanh@de.ibm.com> * **************************************************************************** */ #include "tapedefs.h" #include <linux/version.h> #include <asm/ccwcache.h> /* CCW allocations */ #include <asm/s390dyn.h> #include <asm/debug.h> #include <linux/compatmac.h> #include "tape.h" #include "tape34xx.h" #include "tape3480.h" tape_event_handler_t tape3480_event_handler_table[TS_SIZE][TE_SIZE] = { /* {START , DONE, FAILED, ERROR, OTHER } */ {NULL, tape34xx_unused_done, NULL, NULL, NULL}, /* TS_UNUSED */ {NULL, tape34xx_idle_done, NULL, NULL, NULL}, /* TS_IDLE */ {NULL, NULL, NULL, NULL, NULL}, /* TS_DONE */ {NULL, NULL, NULL, NULL, NULL}, /* TS_FAILED */ {NULL, tape34xx_block_done, NULL, NULL, NULL}, /* TS_BLOCK_INIT */ {NULL, tape34xx_bsb_init_done, NULL, NULL, NULL}, /* TS_BSB_INIT */ {NULL, tape34xx_bsf_init_done, NULL, NULL, NULL}, /* TS_BSF_INIT */ {NULL, tape34xx_dse_init_done, NULL, NULL, NULL}, /* TS_DSE_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_EGA_INIT */ {NULL, tape34xx_fsb_init_done, NULL, NULL, NULL}, /* TS_FSB_INIT */ {NULL, tape34xx_fsf_init_done, NULL, NULL, NULL}, /* TS_FSF_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_LDI_INIT */ {NULL, tape34xx_lbl_init_done, NULL, NULL, NULL}, /* TS_LBL_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_MSE_INIT */ {NULL, tape34xx_nop_init_done, NULL, NULL, NULL}, /* TS_NOP_INIT */ {NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RBA_INIT */ {NULL, tape34xx_rbi_init_done, NULL, NULL, NULL}, /* TS_RBI_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_RBU_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_RBL_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_RDC_INIT */ {NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RFO_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_RSD_INIT */ {NULL, tape34xx_rew_init_done, NULL, NULL, NULL}, /* TS_REW_INIT */ {NULL, tape34xx_rew_release_init_done, NULL, NULL, NULL}, /* TS_REW_RELEASE_IMIT */ {NULL, tape34xx_run_init_done, NULL, NULL, NULL}, /* TS_RUN_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SEN_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SID_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SNP_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SPG_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SWI_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SMR_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_SYN_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_TIO_INIT */ {NULL, NULL, NULL, NULL, NULL}, /* TS_UNA_INIT */ {NULL, tape34xx_wri_init_done, NULL, NULL, NULL}, /* TS_WRI_INIT */ {NULL, tape34xx_wtm_init_done, NULL, NULL, NULL}, /* TS_WTM_INIT */ {NULL, NULL, NULL, NULL, NULL}}; /* TS_NOT_OPER */ devreg_t tape3480_devreg = { ci: {hc: {ctype:0x3480}}, flag:DEVREG_MATCH_CU_TYPE | DEVREG_TYPE_DEVCHARS, oper_func:tape_oper_handler }; void tape3480_setup_assist (tape_info_t * tape) { tape3480_disc_data_t *data = NULL; #ifdef TAPE_DEBUG debug_text_event (tape_debug_area,6,"3480 dsetu"); debug_text_event (tape_debug_area,6,"dev:"); debug_int_event (tape_debug_area,6,tape->blk_minor); #endif /* TAPE_DEBUG */ while (data == NULL) data = kmalloc (sizeof (tape3480_disc_data_t), GFP_KERNEL); data->modeset_byte = 0x00; tape->discdata = (void *) data; } tape_discipline_t * tape3480_init (void) { tape_discipline_t *disc; #ifdef TAPE_DEBUG debug_text_event (tape_debug_area,3,"3480 init"); #endif /* TAPE_DEBUG */ disc = kmalloc (sizeof (tape_discipline_t), GFP_KERNEL); if (disc == NULL) { #ifdef TAPE_DEBUG debug_text_exception (tape_debug_area,3,"disc:nomem"); #endif /* TAPE_DEBUG */ return disc; } disc->cu_type = 0x3480; disc->setup_assist = tape3480_setup_assist; disc->error_recovery = tape34xx_error_recovery; disc->write_block = tape34xx_write_block; disc->free_write_block = tape34xx_free_write_block; disc->read_block = tape34xx_read_block; disc->free_read_block = tape34xx_free_read_block; disc->mtfsf = tape34xx_mtfsf; disc->mtbsf = tape34xx_mtbsf; disc->mtfsr = tape34xx_mtfsr; disc->mtbsr = tape34xx_mtbsr; disc->mtweof = tape34xx_mtweof; disc->mtrew = tape34xx_mtrew; disc->mtoffl = tape34xx_mtoffl; disc->mtnop = tape34xx_mtnop; disc->mtbsfm = tape34xx_mtbsfm; disc->mtfsfm = tape34xx_mtfsfm; disc->mteom = tape34xx_mteom; disc->mterase = tape34xx_mterase; disc->mtsetdensity = tape34xx_mtsetdensity; disc->mtseek = tape34xx_mtseek; disc->mttell = tape34xx_mttell; disc->mtsetdrvbuffer = tape34xx_mtsetdrvbuffer; disc->mtlock = tape34xx_mtlock; disc->mtunlock = tape34xx_mtunlock; disc->mtload = tape34xx_mtload; disc->mtunload = tape34xx_mtunload; disc->mtcompression = tape34xx_mtcompression; disc->mtsetpart = tape34xx_mtsetpart; disc->mtmkpart = tape34xx_mtmkpart; disc->mtiocget = tape34xx_mtiocget; disc->mtiocpos = tape34xx_mtiocpos; disc->discipline_ioctl_overload = tape34xx_ioctl_overload; disc->event_table = &tape3480_event_handler_table; disc->default_handler = tape34xx_default_handler; disc->bread = tape34xx_bread; disc->free_bread = tape34xx_free_bread; disc->tape = NULL; /* pointer for backreference */ disc->next = NULL; s390_device_register(&tape3480_devreg); #ifdef TAPE_DEBUG debug_text_event (tape_debug_area,3,"3480 regis"); #endif /* TAPE_DEBUG */ return disc; } |