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1275 |
phoenix |
/***************************************************************************
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*
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* drivers/s390/char/tape3490.c
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* tape device discipline for 3490E tapes.
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*
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* S390 and zSeries version
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* Copyright (C) 2001 IBM Corporation
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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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*
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****************************************************************************
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*/
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#include "tapedefs.h"
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#include <linux/version.h>
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#include <asm/ccwcache.h> /* CCW allocations */
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#include <asm/s390dyn.h>
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#include <asm/debug.h>
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#include <linux/compatmac.h>
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#include "tape.h"
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#include "tape34xx.h"
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#include "tape3490.h"
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tape_event_handler_t tape3490_event_handler_table[TS_SIZE][TE_SIZE] =
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{
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/* {START , DONE, FAILED, ERROR, OTHER } */
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{NULL, tape34xx_unused_done, NULL, NULL, NULL}, /* TS_UNUSED */
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{NULL, tape34xx_idle_done, NULL, NULL, NULL}, /* TS_IDLE */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_DONE */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_FAILED */
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{NULL, tape34xx_block_done, NULL, NULL, NULL}, /* TS_BLOCK_INIT */
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{NULL, tape34xx_bsb_init_done, NULL, NULL, NULL}, /* TS_BSB_INIT */
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{NULL, tape34xx_bsf_init_done, NULL, NULL, NULL}, /* TS_BSF_INIT */
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{NULL, tape34xx_dse_init_done, NULL, NULL, NULL}, /* TS_DSE_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_EGA_INIT */
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{NULL, tape34xx_fsb_init_done, NULL, NULL, NULL}, /* TS_FSB_INIT */
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{NULL, tape34xx_fsf_init_done, NULL, NULL, NULL}, /* TS_FSF_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_LDI_INIT */
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{NULL, tape34xx_lbl_init_done, NULL, NULL, NULL}, /* TS_LBL_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_MSE_INIT */
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{NULL, tape34xx_nop_init_done, NULL, NULL, NULL}, /* TS_NOP_INIT */
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{NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RBA_INIT */
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{NULL, tape34xx_rbi_init_done, NULL, NULL, NULL}, /* TS_RBI_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_RBU_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_RBL_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_RDC_INIT */
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{NULL, tape34xx_rfo_init_done, NULL, NULL, NULL}, /* TS_RFO_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_RSD_INIT */
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{NULL, tape34xx_rew_init_done, NULL, NULL, NULL}, /* TS_REW_INIT */
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{NULL, tape34xx_rew_release_init_done, NULL, NULL, NULL}, /* TS_REW_RELEASE_IMIT */
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{NULL, tape34xx_run_init_done, NULL, NULL, NULL}, /* TS_RUN_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SEN_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SID_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SNP_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SPG_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SWI_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SMR_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_SYN_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_TIO_INIT */
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{NULL, NULL, NULL, NULL, NULL}, /* TS_UNA_INIT */
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{NULL, tape34xx_wri_init_done, NULL, NULL, NULL}, /* TS_WRI_INIT */
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{NULL, tape34xx_wtm_init_done, NULL, NULL, NULL}, /* TS_WTM_INIT */
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{NULL, NULL, NULL, NULL, NULL}}; /* TS_NOT_OPER */
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devreg_t tape3490_devreg = {
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ci:
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{hc:
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{ctype:0x3490}},
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flag:DEVREG_MATCH_CU_TYPE | DEVREG_TYPE_DEVCHARS,
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oper_func:tape_oper_handler
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};
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void
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tape3490_setup_assist (tape_info_t * ti)
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{
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tape3490_disc_data_t *data = NULL;
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#ifdef TAPE_DEBUG
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debug_text_event (tape_debug_area,6,"3490 dsetu");
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debug_text_event (tape_debug_area,6,"dev:");
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debug_int_event (tape_debug_area,6,ti->blk_minor);
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#endif /* TAPE_DEBUG */
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while (data == NULL)
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data = kmalloc (sizeof (tape3490_disc_data_t), GFP_KERNEL);
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data->modeset_byte = 0x00;
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ti->discdata = (void *) data;
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}
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void
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tape3490_shutdown (int autoprobe) {
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if (autoprobe)
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s390_device_unregister(&tape3490_devreg);
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}
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tape_discipline_t *
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tape3490_init (int autoprobe)
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{
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tape_discipline_t *disc;
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#ifdef TAPE_DEBUG
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debug_text_event (tape_debug_area,3,"3490 init");
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#endif /* TAPE_DEBUG */
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disc = kmalloc (sizeof (tape_discipline_t), GFP_KERNEL);
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if (disc == NULL) {
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#ifdef TAPE_DEBUG
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debug_text_exception (tape_debug_area,3,"disc:nomem");
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#endif /* TAPE_DEBUG */
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return disc;
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}
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disc->cu_type = 0x3490;
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disc->setup_assist = tape3490_setup_assist;
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disc->error_recovery = tape34xx_error_recovery;
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disc->write_block = tape34xx_write_block;
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disc->free_write_block = tape34xx_free_write_block;
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disc->read_block = tape34xx_read_block;
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disc->free_read_block = tape34xx_free_read_block;
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disc->mtfsf = tape34xx_mtfsf;
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disc->mtbsf = tape34xx_mtbsf;
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disc->mtfsr = tape34xx_mtfsr;
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disc->mtbsr = tape34xx_mtbsr;
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disc->mtweof = tape34xx_mtweof;
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disc->mtrew = tape34xx_mtrew;
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disc->mtoffl = tape34xx_mtoffl;
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disc->mtnop = tape34xx_mtnop;
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disc->mtbsfm = tape34xx_mtbsfm;
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disc->mtfsfm = tape34xx_mtfsfm;
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disc->mteom = tape34xx_mteom;
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disc->mterase = tape34xx_mterase;
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disc->mtsetdensity = tape34xx_mtsetdensity;
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disc->mtseek = tape34xx_mtseek;
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disc->mttell = tape34xx_mttell;
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disc->mtsetdrvbuffer = tape34xx_mtsetdrvbuffer;
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disc->mtlock = tape34xx_mtlock;
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disc->mtunlock = tape34xx_mtunlock;
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disc->mtload = tape34xx_mtload;
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disc->mtunload = tape34xx_mtunload;
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disc->mtcompression = tape34xx_mtcompression;
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disc->mtsetpart = tape34xx_mtsetpart;
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disc->mtmkpart = tape34xx_mtmkpart;
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disc->mtiocget = tape34xx_mtiocget;
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disc->mtiocpos = tape34xx_mtiocpos;
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disc->shutdown = tape3490_shutdown;
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disc->discipline_ioctl_overload = tape34xx_ioctl_overload;
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disc->event_table = &tape3490_event_handler_table;
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disc->default_handler = tape34xx_default_handler;
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disc->bread = tape34xx_bread;
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disc->free_bread = tape34xx_free_bread;
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disc->tape = NULL; /* pointer for backreference */
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disc->next = NULL;
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if (autoprobe)
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s390_device_register(&tape3490_devreg);
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#ifdef TAPE_DEBUG
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debug_text_event (tape_debug_area,3,"3490 regis");
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#endif /* TAPE_DEBUG */
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return disc;
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}
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