1 /***************************************************************************
3 * drivers/s390/char/tape3490.c
4 * tape device discipline for 3490E tapes.
6 * S390 and zSeries version
7 * Copyright (C) 2001 IBM Corporation
8 * Author(s): Carsten Otte <cotte@de.ibm.com>
9 * Tuan Ngo-Anh <ngoanh@de.ibm.com>
11 ****************************************************************************
15 #include <linux/version.h>
16 #include <asm/ccwcache.h> /* CCW allocations */
17 #include <asm/s390dyn.h>
18 #include <asm/debug.h>
19 #include <linux/compatmac.h>
24 tape_event_handler_t tape3490_event_handler_table[TS_SIZE][TE_SIZE] =
26 /* {START , DONE, FAILED, ERROR, OTHER } */
27 {NULL, tape34xx_unused_done, NULL, NULL, NULL}, /* TS_UNUSED */
28 {NULL, tape34xx_idle_done, NULL, NULL, NULL}, /* TS_IDLE */
29 {NULL, NULL, NULL, NULL, NULL}, /* TS_DONE */
30 {NULL, NULL, NULL, NULL, NULL}, /* TS_FAILED */
31 {NULL, tape34xx_block_done, NULL, NULL, NULL}, /* TS_BLOCK_INIT */
32 {NULL, tape34xx_bsb_init_done, NULL, NULL, NULL}, /* TS_BSB_INIT */
33 {NULL, tape34xx_bsf_init_done, NULL, NULL, NULL}, /* TS_BSF_INIT */
34 {NULL, tape34xx_dse_init_done, NULL, NULL, NULL}, /* TS_DSE_INIT */
35 {NULL, NULL, NULL, NULL, NULL}, /* TS_EGA_INIT */
36 {NULL, tape34xx_fsb_init_done, NULL, NULL, NULL}, /* TS_FSB_INIT */
37 {NULL, tape34xx_fsf_init_done, NULL, NULL, NULL}, /* TS_FSF_INIT */
38 {NULL, NULL, NULL, NULL, NULL}, /* TS_LDI_INIT */
39 {NULL, tape34xx_lbl_init_done, NULL, NULL, NULL}, /* TS_LBL_INIT */
40 {NULL, NULL, NULL, NULL, NULL}, /* TS_MSE_INIT */
41 {NULL, tape34xx_nop_init_done, NULL, NULL, NULL}, /* TS_NOP_INIT */
42 {NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RBA_INIT */
43 {NULL, tape34xx_rbi_init_done, NULL, NULL, NULL}, /* TS_RBI_INIT */
44 {NULL, NULL, NULL, NULL, NULL}, /* TS_RBU_INIT */
45 {NULL, NULL, NULL, NULL, NULL}, /* TS_RBL_INIT */
46 {NULL, NULL, NULL, NULL, NULL}, /* TS_RDC_INIT */
47 {NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RFO_INIT */
48 {NULL, NULL, NULL, NULL, NULL}, /* TS_RSD_INIT */
49 {NULL, tape34xx_rew_init_done, NULL, NULL, NULL}, /* TS_REW_INIT */
50 {NULL, tape34xx_rew_release_init_done, NULL, NULL, NULL}, /* TS_REW_RELEASE_IMIT */
51 {NULL, tape34xx_run_init_done, NULL, NULL, NULL}, /* TS_RUN_INIT */
52 {NULL, NULL, NULL, NULL, NULL}, /* TS_SEN_INIT */
53 {NULL, NULL, NULL, NULL, NULL}, /* TS_SID_INIT */
54 {NULL, NULL, NULL, NULL, NULL}, /* TS_SNP_INIT */
55 {NULL, NULL, NULL, NULL, NULL}, /* TS_SPG_INIT */
56 {NULL, NULL, NULL, NULL, NULL}, /* TS_SWI_INIT */
57 {NULL, NULL, NULL, NULL, NULL}, /* TS_SMR_INIT */
58 {NULL, NULL, NULL, NULL, NULL}, /* TS_SYN_INIT */
59 {NULL, NULL, NULL, NULL, NULL}, /* TS_TIO_INIT */
60 {NULL, NULL, NULL, NULL, NULL}, /* TS_UNA_INIT */
61 {NULL, tape34xx_wri_init_done, NULL, NULL, NULL}, /* TS_WRI_INIT */
62 {NULL, tape34xx_wtm_init_done, NULL, NULL, NULL}, /* TS_WTM_INIT */
63 {NULL, NULL, NULL, NULL, NULL}}; /* TS_NOT_OPER */
65 devreg_t tape3490_devreg = {
69 flag:DEVREG_MATCH_CU_TYPE | DEVREG_TYPE_DEVCHARS,
70 oper_func:tape_oper_handler
74 tape3490_setup_assist (tape_info_t * ti)
76 tape3490_disc_data_t *data = NULL;
78 debug_text_event (tape_debug_area,6,"3490 dsetu");
79 debug_text_event (tape_debug_area,6,"dev:");
80 debug_int_event (tape_debug_area,6,ti->blk_minor);
81 #endif /* TAPE_DEBUG */
83 data = kmalloc (sizeof (tape3490_disc_data_t), GFP_KERNEL);
84 data->modeset_byte = 0x00;
85 ti->discdata = (void *) data;
90 tape3490_shutdown (int autoprobe) {
92 s390_device_unregister(&tape3490_devreg);
97 tape3490_init (int autoprobe)
99 tape_discipline_t *disc;
101 debug_text_event (tape_debug_area,3,"3490 init");
102 #endif /* TAPE_DEBUG */
103 disc = kmalloc (sizeof (tape_discipline_t), GFP_KERNEL);
106 debug_text_exception (tape_debug_area,3,"disc:nomem");
107 #endif /* TAPE_DEBUG */
110 disc->cu_type = 0x3490;
111 disc->setup_assist = tape3490_setup_assist;
112 disc->error_recovery = tape34xx_error_recovery;
113 disc->write_block = tape34xx_write_block;
114 disc->free_write_block = tape34xx_free_write_block;
115 disc->read_block = tape34xx_read_block;
116 disc->free_read_block = tape34xx_free_read_block;
117 disc->mtfsf = tape34xx_mtfsf;
118 disc->mtbsf = tape34xx_mtbsf;
119 disc->mtfsr = tape34xx_mtfsr;
120 disc->mtbsr = tape34xx_mtbsr;
121 disc->mtweof = tape34xx_mtweof;
122 disc->mtrew = tape34xx_mtrew;
123 disc->mtoffl = tape34xx_mtoffl;
124 disc->mtnop = tape34xx_mtnop;
125 disc->mtbsfm = tape34xx_mtbsfm;
126 disc->mtfsfm = tape34xx_mtfsfm;
127 disc->mteom = tape34xx_mteom;
128 disc->mterase = tape34xx_mterase;
129 disc->mtsetdensity = tape34xx_mtsetdensity;
130 disc->mtseek = tape34xx_mtseek;
131 disc->mttell = tape34xx_mttell;
132 disc->mtsetdrvbuffer = tape34xx_mtsetdrvbuffer;
133 disc->mtlock = tape34xx_mtlock;
134 disc->mtunlock = tape34xx_mtunlock;
135 disc->mtload = tape34xx_mtload;
136 disc->mtunload = tape34xx_mtunload;
137 disc->mtcompression = tape34xx_mtcompression;
138 disc->mtsetpart = tape34xx_mtsetpart;
139 disc->mtmkpart = tape34xx_mtmkpart;
140 disc->mtiocget = tape34xx_mtiocget;
141 disc->mtiocpos = tape34xx_mtiocpos;
142 disc->shutdown = tape3490_shutdown;
143 disc->discipline_ioctl_overload = tape34xx_ioctl_overload;
144 disc->event_table = &tape3490_event_handler_table;
145 disc->default_handler = tape34xx_default_handler;
146 disc->bread = tape34xx_bread;
147 disc->free_bread = tape34xx_free_bread;
148 disc->tape = NULL; /* pointer for backreference */
151 s390_device_register(&tape3490_devreg);
153 debug_text_event (tape_debug_area,3,"3490 regis");
154 #endif /* TAPE_DEBUG */