patch-2.4.2 linux/drivers/s390/char/tape3490.c

• Lines: 145
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/drivers/s390/char/tape3490.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.1/linux/drivers/s390/char/tape3490.c linux/drivers/s390/char/tape3490.c
@@ -0,0 +1,144 @@
+/***************************************************************************
+ *
+ *  drivers/s390/char/tape3490.c
+ *    tape device discipline for 3490E tapes.
+ *
+ *  S390 version
+ *    Copyright (C) 2000 IBM Corporation
+ *    Author(s): Tuan Ngo-Anh <ngoanh@de.ibm.com>
+ *               Carsten Otte <cotte@de.ibm.com>
+ *
+ *  UNDER CONSTRUCTION: Work in progress...:-)
+ ****************************************************************************
+ */
+
+#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 "tape3490.h"
+
+tape_event_handler_t tape3490_event_handler_table[TS_SIZE][TE_SIZE] =
+{
+    /* {START , DONE, FAILED, ERROR, OTHER } */
+	{NULL, tape34xx_unused_done, NULL, tape34xx_unused_error, NULL},	/* TS_UNUSED */
+	{NULL, tape34xx_idle_done, NULL, tape34xx_idle_error, NULL},	/* TS_IDLE */
+	{NULL, NULL, NULL, NULL, NULL},		/* TS_DONE */
+	{NULL, NULL, NULL, NULL, NULL},		/* TS_FAILED */
+	{NULL, tape34xx_block_done, NULL, tape34xx_block_error, 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, tape34xx_fsf_init_error, NULL},	/* TS_FSF_INIT */
+	{NULL, NULL, NULL, NULL, NULL},		/* TS_LDI_INIT */
+	{NULL, tape34xx_lbl_init_done, NULL, tape34xx_lbl_init_error, NULL},	/* TS_LBL_INIT */
+	{NULL, NULL, NULL, NULL, NULL},		/* TS_MSE_INIT */
+	{NULL, tape34xx_nop_init_done, NULL, NULL, NULL},	/* TS_NOP_INIT */
+	{NULL, NULL, 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, tape34xx_rfo_init_error, NULL},	/* TS_RFO_INIT */
+	{NULL, NULL, NULL, NULL, NULL},		/* TS_RSD_INIT */
+	{NULL, tape34xx_rew_init_done, NULL, tape34xx_rew_init_error, NULL},	/* TS_REW_INIT */
+	{NULL, tape34xx_rew_release_init_done, NULL, tape34xx_rew_release_init_error, NULL},	/* TS_REW_RELEASE_IMIT */
+	{NULL, tape34xx_run_init_done, NULL, tape34xx_run_init_error, 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, tape34xx_wri_init_error, NULL},	/* TS_WRI_INIT */
+	{NULL, tape34xx_wtm_init_done, NULL, tape34xx_wtm_init_error, NULL},	/* TS_WTM_INIT */
+        {NULL, NULL, NULL, NULL, NULL}};     /* TS_NOT_OPER */
+
+devreg_t tape3490_devreg = {
+    ci : { hc: { ctype: 0x3490, dtype: 0x3490 } }, 
+    flag: DEVREG_MATCH_CU_TYPE,
+    oper_func: tape_oper_handler
+};
+
+void
+tape3490_setup_assist (tape_info_t * tape)
+{
+	tape3490_disc_data_t *data = NULL;
+#ifdef TAPE_DEBUG
+    debug_text_event (tape_debug_area,6,"3490 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 (tape3490_disc_data_t), GFP_KERNEL);
+	data->modeset_byte = 0x00;
+	tape->discdata = (void *) data;
+}
+
+tape_discipline_t *
+tape3490_init (void)
+{
+	tape_discipline_t *disc;
+#ifdef TAPE_DEBUG
+    debug_text_event (tape_debug_area,3,"3490 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 = 0x3490;
+	disc->setup_assist = tape3490_setup_assist;
+	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 = &tape3490_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(&tape3490_devreg);
+#ifdef TAPE_DEBUG
+	debug_text_event (tape_debug_area,3,"3490 regis");
+#endif /* TAPE_DEBUG */
+	return disc;
+}