patch-2.4.22 linux-2.4.22/drivers/s390/qdio.c

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diff -urN linux-2.4.21/drivers/s390/qdio.c linux-2.4.22/drivers/s390/qdio.c
@@ -0,0 +1,3625 @@
+/*
+ *
+ * linux/drivers/s390/qdio.c
+ *
+ * Linux for S/390 QDIO base support, Hipersocket base support
+ * version 2
+ *
+ * Copyright 2000,2002 IBM Corporation
+ * Author(s): Utz Bacher <utz.bacher@de.ibm.com>
+ *
+ * Restriction: only 63 iqdio subchannels would have its own indicator,
+ * after that, subsequent subchannels share one indicator
+ *
+ *
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* we want the eyecatcher to be at the top of the code */
+void volatile qdio_eyecatcher(void)
+{
+	return;
+}
+
+#include <linux/config.h>
+
+#include <linux/module.h>
+
+#include <linux/version.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <asm/semaphore.h>
+#include <asm/page.h>
+
+#include <asm/debug.h>
+
+#include <asm/qdio.h>
+
+#define VERSION_QDIO_C "$Revision: 1.145 $"
+
+/****************** MODULE PARAMETER VARIABLES ********************/
+MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
+MODULE_DESCRIPTION("QDIO base support version 2, " \
+		   "Copyright 2000 IBM Corporation");
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,12))
+MODULE_LICENSE("GPL");
+#endif
+
+/******************** HERE WE GO ***********************************/
+
+static const char *version="QDIO base support version 2 ("
+	VERSION_QDIO_C "/" VERSION_QDIO_H ")";
+
+#ifdef QDIO_PERFORMANCE_STATS
+static int proc_perf_file_registration;
+unsigned long i_p_c=0,i_p_nc=0,o_p_c=0,o_p_nc=0,ii_p_c=0,ii_p_nc=0;
+
+static struct {
+	unsigned int tl_runs;
+
+	unsigned int siga_outs;
+	unsigned int siga_ins;
+	unsigned int siga_syncs;
+	unsigned int pcis;
+	unsigned int thinints;
+	unsigned int fast_reqs;
+
+	__u64 start_time_outbound;
+	unsigned int outbound_cnt;
+	unsigned int outbound_time;
+	__u64 start_time_inbound;
+	unsigned int inbound_cnt;
+	unsigned int inbound_time;
+} perf_stats;
+
+#endif /* QDIO_PERFORMANCE_STATS */
+
+static int hydra_thinints=0;
+
+static int indicator_used[INDICATORS_PER_CACHELINE];
+static __u32 * volatile indicators;
+static __u32 volatile spare_indicator;
+
+static debug_info_t *qdio_dbf_setup=NULL;
+static debug_info_t *qdio_dbf_sbal=NULL;
+static debug_info_t *qdio_dbf_trace=NULL;
+static debug_info_t *qdio_dbf_sense=NULL;
+#ifdef QDIO_DBF_LIKE_HELL
+static debug_info_t *qdio_dbf_slsb_out=NULL;
+static debug_info_t *qdio_dbf_slsb_in=NULL;
+#endif /* QDIO_DBF_LIKE_HELL */
+
+static qdio_irq_t *first_irq[QDIO_IRQ_BUCKETS]={
+	[0 ... (QDIO_IRQ_BUCKETS-1)] = NULL
+};
+static rwlock_t irq_list_lock[QDIO_IRQ_BUCKETS]={
+	[0 ... (QDIO_IRQ_BUCKETS-1)] = RW_LOCK_UNLOCKED
+};
+
+static struct semaphore init_sema;
+
+static qdio_chsc_area_t *chsc_area;
+/* iQDIO stuff: */
+static volatile qdio_q_t *tiq_list=NULL; /* volatile as it could change
+					   during a while loop */
+static spinlock_t ttiq_list_lock=SPIN_LOCK_UNLOCKED;
+static int register_thinint_result;
+static void tiqdio_tl(unsigned long);
+static DECLARE_TASKLET(tiqdio_tasklet,tiqdio_tl,0);
+
+#define HEXDUMP16(importance,header,ptr) \
+QDIO_PRINT_##importance(header "%02x %02x %02x %02x  " \
+			"%02x %02x %02x %02x  %02x %02x %02x %02x  " \
+			"%02x %02x %02x %02x\n",*(((char*)ptr)), \
+			*(((char*)ptr)+1),*(((char*)ptr)+2), \
+			*(((char*)ptr)+3),*(((char*)ptr)+4), \
+			*(((char*)ptr)+5),*(((char*)ptr)+6), \
+			*(((char*)ptr)+7),*(((char*)ptr)+8), \
+			*(((char*)ptr)+9),*(((char*)ptr)+10), \
+			*(((char*)ptr)+11),*(((char*)ptr)+12), \
+			*(((char*)ptr)+13),*(((char*)ptr)+14), \
+			*(((char*)ptr)+15)); \
+QDIO_PRINT_##importance(header "%02x %02x %02x %02x  %02x %02x %02x %02x  " \
+			"%02x %02x %02x %02x  %02x %02x %02x %02x\n", \
+			*(((char*)ptr)+16),*(((char*)ptr)+17), \
+			*(((char*)ptr)+18),*(((char*)ptr)+19), \
+			*(((char*)ptr)+20),*(((char*)ptr)+21), \
+			*(((char*)ptr)+22),*(((char*)ptr)+23), \
+			*(((char*)ptr)+24),*(((char*)ptr)+25), \
+			*(((char*)ptr)+26),*(((char*)ptr)+27), \
+			*(((char*)ptr)+28),*(((char*)ptr)+29), \
+			*(((char*)ptr)+30),*(((char*)ptr)+31));
+
+#define atomic_swap(a,b) xchg((int*)a.counter,b)
+
+/* not a macro, as one of the arguments is atomic_read */
+static inline int qdio_min(int a,int b)
+{
+	if (a<b)
+		return a;
+	else
+		return b;
+}
+
+/* unlikely as the later the better */
+#define SYNC_MEMORY if (unlikely(q->siga_sync)) qdio_siga_sync_q(q)
+#define SYNC_MEMORY_ALL if (unlikely(q->siga_sync)) \
+	qdio_siga_sync(q,~0U,~0U)
+#define SYNC_MEMORY_ALL_OUTB if (unlikely(q->siga_sync)) \
+	qdio_siga_sync(q,~0U,0)
+
+#define NOW qdio_get_micros()
+#define SAVE_TIMESTAMP(q) q->timing.last_transfer_time=NOW
+#define GET_SAVED_TIMESTAMP(q) (q->timing.last_transfer_time)
+#define SAVE_FRONTIER(q,val) q->last_move_ftc=val
+#define GET_SAVED_FRONTIER(q) (q->last_move_ftc)
+
+#define MY_MODULE_STRING(x) #x
+
+#ifdef QDIO_32_BIT
+#define QDIO_GET_32BIT_ADDR(x) ((__u32)(long)x)
+#else /* QDIO_32_BIT */
+#define QDIO_GET_32BIT_ADDR(x) ((__u32)(unsigned long)x)
+#endif /* QDIO_32_BIT */
+
+#define QDIO_PFIX_GET_ADDR(x) ((flags&QDIO_PFIX) ? \
+			       pfix_get_addr(x):((unsigned long)x))
+
+/***************** SCRUBBER HELPER ROUTINES **********************/
+
+static inline volatile __u64 qdio_get_micros(void)
+{
+        __u64 time;
+
+        asm volatile ("STCK %0" : "=m" (time));
+        return time>>12; /* time>>12 is microseconds*/
+}
+static inline unsigned long qdio_get_millis(void)
+{
+	return (unsigned long)(qdio_get_micros()>>12);
+}
+
+static __inline__ int atomic_return_add (int i, atomic_t *v)
+{
+	int old, new;
+	__CS_LOOP(old, new, v, i, "ar");
+	return old;
+}
+
+static void qdio_wait_nonbusy(unsigned int timeout)
+{
+        unsigned int start;
+        char dbf_text[15];
+
+	sprintf(dbf_text,"wtnb%4x",timeout);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+
+	start=qdio_get_millis();
+	for (;;) {
+		set_task_state(current,TASK_INTERRUPTIBLE);
+		if (qdio_get_millis()-start>timeout) {
+			goto out;
+		}
+		schedule_timeout(((start+timeout-qdio_get_millis())>>10)*HZ);
+	}
+out:
+	set_task_state(current,TASK_RUNNING);
+}
+
+static int qdio_wait_for_no_use_count(atomic_t *use_count)
+{
+	unsigned long start;
+
+	QDIO_DBF_TEXT3(0,trace,"wtnousec");
+	start=qdio_get_millis();
+	for (;;) {
+		if (qdio_get_millis()-start>QDIO_NO_USE_COUNT_TIMEOUT) {
+			QDIO_DBF_TEXT1(1,trace,"WTNOUSTO");
+			return -ETIME;
+		}
+		if (!atomic_read(use_count)) {
+			QDIO_DBF_TEXT3(0,trace,"wtnoused");
+			return 0;
+		}
+		qdio_wait_nonbusy(QDIO_NO_USE_COUNT_TIME);
+	}
+}
+
+/* unfortunately, we can't just xchg the values; in do_QDIO we want to reserve
+ * the q in any case, so that we'll not be interrupted when we are in
+ * qdio_mark_tiq... shouldn't have a really bad impact, as reserving almost
+ * ever works (last famous words) */
+static inline int qdio_reserve_q(qdio_q_t *q)
+{
+	return atomic_return_add(1,&q->use_count);
+}
+
+static inline void qdio_release_q(qdio_q_t *q)
+{
+	atomic_dec(&q->use_count);
+}
+#ifdef QDIO_DBF_LIKE_HELL 
+#define set_slsb(x,y) \
+  if(q->queue_type==QDIO_TRACE_QTYPE) { \
+        if(q->is_input_q) { \
+            QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
+        } else { \
+            QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
+        } \
+  } \
+  qdio_set_slsb(x,y); \
+  if(q->queue_type==QDIO_TRACE_QTYPE) { \
+        if(q->is_input_q) { \
+            QDIO_DBF_HEX2(0,slsb_in,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
+        } else { \
+            QDIO_DBF_HEX2(0,slsb_out,&q->slsb,QDIO_MAX_BUFFERS_PER_Q); \
+        } \
+  }
+#else /* QDIO_DBF_LIKE_HELL */
+#define set_slsb(x,y) qdio_set_slsb(x,y)
+#endif /* QDIO_DBF_LIKE_HELL */
+static volatile inline void qdio_set_slsb(volatile char *slsb,
+					  unsigned char value)
+{
+	xchg((char*)slsb,value);
+}
+
+static inline int qdio_siga_sync(qdio_q_t *q,
+				 unsigned int gpr2,
+				 unsigned int gpr3)
+{
+	int cc;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"sigasync");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(int));
+	QDIO_DBF_HEX4(0,trace,&gpr2,sizeof(int));
+	QDIO_DBF_HEX4(0,trace,&gpr3,sizeof(int));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.siga_syncs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+#ifdef QDIO_32_BIT
+	asm volatile (
+		"lhi	0,2	\n\t"
+		"lr	1,%1	\n\t"
+		"lr	2,%2	\n\t"
+		"lr	3,%3	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (gpr2), "d" (gpr3)
+		: "cc", "0", "1", "2", "3"
+		);
+#else /* QDIO_32_BIT */
+	asm volatile (
+		"lghi	0,2	\n\t"
+		"llgfr	1,%1	\n\t"
+		"llgfr	2,%2	\n\t"
+		"llgfr	3,%3	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (gpr2), "d" (gpr3)
+		: "cc", "0", "1", "2", "3"
+		);
+#endif /* QDIO_32_BIT */
+
+	if (cc) {
+#ifndef QDIO_DBF_LIKE_HELL
+		/* when QDIO_DBF_LIKE_HELL, we put that already out */
+		QDIO_DBF_TEXT3(0,trace,"sigasync");
+		QDIO_DBF_HEX3(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
+	}
+
+	return cc;
+}
+
+static inline int qdio_siga_sync_q(qdio_q_t *q)
+{
+	if (q->is_input_q) {
+		return qdio_siga_sync(q,0,q->mask);
+	} else {
+		return qdio_siga_sync(q,q->mask,0);
+	}
+}
+
+/* returns QDIO_SIGA_ERROR_ACCESS_EXCEPTION as cc, when SIGA returns
+   an access exception */
+static inline int qdio_siga_output(qdio_q_t *q)
+{
+	int cc;
+	__u32 busy_bit;
+	__u64 start_time=0;
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.siga_outs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"sigaout");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	for (;;) {
+
+#ifdef QDIO_32_BIT
+		asm volatile (
+		      "lhi	0,0	\n\t"
+		      "lr	1,%2	\n\t"
+		      "lr	2,%3	\n\t"
+		      "siga	0	\n\t"
+		      "0:"
+		      "ipm	%0	\n\t"
+		      "srl	%0,28	\n\t"
+		      "srl	0,31	\n\t"
+		      "lr	%1,0	\n\t"
+		      "1:	\n\t"
+		      ".section .fixup,\"ax\"\n\t"
+		      "2:	\n\t"
+		      "lhi	%0,%4	\n\t"
+		      "bras	1,3f	\n\t"
+		      ".long 1b	\n\t"
+		      "3:	\n\t"
+		      "l	1,0(1)	\n\t"
+		      "br	1	\n\t"
+		      ".previous	\n\t"
+		      ".section __ex_table,\"a\"\n\t"
+		      ".align 4	\n\t"
+		      ".long	0b,2b	\n\t"
+		      ".previous	\n\t"
+			: "=d" (cc), "=d" (busy_bit)
+			: "d" (0x10000|q->irq), "d" (q->mask),
+			"i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
+			: "cc", "0", "1", "2", "memory"
+		);
+#else /* QDIO_32_BIT */
+		asm volatile (
+		      "lghi	0,0	\n\t"
+		      "llgfr	1,%2	\n\t"
+		      "llgfr	2,%3	\n\t"
+	      	      "siga	0	\n\t"
+		      "0:"
+		      "ipm	%0	\n\t"
+		      "srl	%0,28	\n\t"
+		      "srl	0,31	\n\t"
+		      "llgfr	%1,0	\n\t"
+		      "1:	\n\t"
+		      ".section .fixup,\"ax\"\n\t"
+		      "lghi	%0,%4	\n\t"
+		      "jg	1b	\n\t"
+		      ".previous\n\t"
+      		      ".section __ex_table,\"a\"\n\t"
+      		      ".align 8	\n\t"
+      		      ".quad	0b,1b	\n\t"
+      		      ".previous	\n\t"
+		      : "=d" (cc), "=d" (busy_bit)
+		      : "d" (0x10000|q->irq), "d" (q->mask),
+	      	      "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION)
+	      	      : "cc", "0", "1", "2", "memory"
+	     );
+#endif /* QDIO_32_BIT */
+
+//QDIO_PRINT_ERR("cc=%x, busy=%x\n",cc,busy_bit);
+	     if ( (cc==2) && (busy_bit) &&
+		  (q->is_iqdio_q) ) {
+		     if (!start_time) start_time=NOW;
+		     if ((NOW-start_time)>QDIO_BUSY_BIT_PATIENCE)
+			     break;
+	     } else
+		     break;
+	}
+
+	if ((cc==2) && (busy_bit)) cc|=QDIO_SIGA_ERROR_B_BIT_SET;
+
+	if (cc) {
+#ifndef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT3(0,trace,"sigaout");
+		QDIO_DBF_HEX3(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
+	}
+
+	return cc;
+}
+
+static inline int qdio_siga_input(qdio_q_t *q)
+{
+	int cc;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"sigain");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.siga_ins++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+#ifdef QDIO_32_BIT
+	asm volatile (
+		"lhi	0,1	\n\t"
+		"lr	1,%1	\n\t"
+		"lr	2,%2	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (q->mask)
+		: "cc", "0", "1", "2", "memory"
+		);
+#else /* QDIO_32_BIT */
+	asm volatile (
+		"lghi	0,1	\n\t"
+		"llgfr	1,%1	\n\t"
+		"llgfr	2,%2	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (q->mask)
+		: "cc", "0", "1", "2", "memory"
+		);
+#endif /* QDIO_32_BIT */
+
+	if (cc) {
+#ifndef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT3(0,trace,"sigain");
+		QDIO_DBF_HEX3(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
+	}
+
+	return cc;
+}
+
+/* locked by the locks in qdio_activate and qdio_cleanup */
+static __u32 * volatile qdio_get_indicator(void)
+{
+	int i=1;
+	int found=0;
+
+	while (i<INDICATORS_PER_CACHELINE) {
+		if (!indicator_used[i]) {
+			indicator_used[i]=1;
+			found=1;
+			break;
+		}
+		i++;
+	}
+
+	if (found)
+		return indicators+i;
+	else
+		return (__u32 * volatile) &spare_indicator;
+}
+
+/* locked by the locks in qdio_activate and qdio_cleanup */
+static void qdio_put_indicator(__u32 *addr)
+{
+	int i;
+
+	if ( (addr) && (addr!=&spare_indicator) ) {
+		i=addr-indicators;
+		indicator_used[i]=0;
+	}
+}
+
+static inline volatile void tiqdio_clear_summary_bit(__u32 *location)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT5(0,trace,"clrsummb");
+	QDIO_DBF_HEX5(0,trace,&location,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+	xchg(location,0);
+}
+
+static inline volatile void tiqdio_set_summary_bit(__u32 *location)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT5(0,trace,"setsummb");
+	QDIO_DBF_HEX5(0,trace,&location,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+	xchg(location,-1);
+}
+
+static inline void tiqdio_sched_tl(void)
+{
+	tasklet_hi_schedule(&tiqdio_tasklet);
+}
+
+static inline void qdio_mark_tiq(qdio_q_t *q)
+{
+	unsigned long flags;
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"mark iq");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	spin_lock_irqsave(&ttiq_list_lock,flags);
+	if (unlikely(atomic_read(&q->is_in_shutdown))) goto out_unlock;
+
+	if (q->is_input_q) {
+		if ((q->list_prev) || (q->list_next)) goto out_unlock;
+
+		if (!tiq_list) {
+			tiq_list=q;
+			q->list_prev=q;
+			q->list_next=q;
+		} else {
+			q->list_next=tiq_list;
+			q->list_prev=tiq_list->list_prev;
+			tiq_list->list_prev->list_next=q;
+			tiq_list->list_prev=q;
+		}
+		spin_unlock_irqrestore(&ttiq_list_lock,flags);
+
+		tiqdio_set_summary_bit((__u32*)q->dev_st_chg_ind);
+		tiqdio_sched_tl();
+	}
+	return;
+out_unlock:
+	spin_unlock_irqrestore(&ttiq_list_lock,flags);
+	return;
+}
+
+static inline void qdio_mark_q(qdio_q_t *q)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"mark q");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (unlikely(atomic_read(&q->is_in_shutdown))) return;
+
+	tasklet_schedule(&q->tasklet);
+}
+
+static inline int qdio_stop_polling(qdio_q_t *q)
+{
+#ifdef QDIO_USE_PROCESSING_STATE
+	int gsf;
+
+	if (!atomic_swap(&q->polling,0)) return 1;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"stoppoll");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	/* show the card that we are not polling anymore */
+	if (q->is_input_q) {
+		gsf=GET_SAVED_FRONTIER(q);
+		set_slsb(&q->slsb.acc.val[(gsf+QDIO_MAX_BUFFERS_PER_Q-1)&
+			 (QDIO_MAX_BUFFERS_PER_Q-1)],SLSB_P_INPUT_NOT_INIT);
+		/* we don't issue this SYNC_MEMORY, as we trust Rick T and
+		 * moreover will not use the PROCESSING state, so q->polling
+		 * was 0
+		SYNC_MEMORY;*/
+		if (q->slsb.acc.val[gsf]==SLSB_P_INPUT_PRIMED) {
+			/* set our summary bit again, as otherwise there is a
+			 * small window we can miss between resetting it and
+			 * checking for PRIMED state */
+			if (q->is_thinint_q)
+				tiqdio_set_summary_bit
+					((__u32*)q->dev_st_chg_ind);
+			return 0;
+		}
+	}
+#endif /* QDIO_USE_PROCESSING_STATE */
+	return 1;
+}
+
+/* see the comment in do_QDIO and before qdio_reserve_q about the
+ * sophisticated locking outside of unmark_q, so that we don't need to
+ * disable the interrupts :-) */
+static inline void qdio_unmark_q(qdio_q_t *q)
+{
+	unsigned long flags;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"unmark q");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if ((!q->list_prev)||(!q->list_next)) return;
+
+	if ((q->is_thinint_q)&&(q->is_input_q)) {
+		/* iQDIO */
+		spin_lock_irqsave(&ttiq_list_lock,flags);
+		if (q->list_next==q) {
+			/* q was the only interesting q */
+			tiq_list=NULL;
+			q->list_next=NULL;
+			q->list_prev=NULL;
+		} else {
+			q->list_next->list_prev=q->list_prev;
+			q->list_prev->list_next=q->list_next;
+			tiq_list=q->list_next;
+			q->list_next=NULL;
+			q->list_prev=NULL;
+		}
+		spin_unlock_irqrestore(&ttiq_list_lock,flags);
+	}
+}
+
+static inline volatile unsigned long tiqdio_clear_global_summary(void)
+{
+	unsigned long time;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT5(0,trace,"clrglobl");
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_32_BIT
+	asm volatile (
+		"lhi	1,3	\n\t"
+		".insn	rre,0xb2650000,2,0	\n\t"
+		"lr	%0,3	\n\t"
+		: "=d" (time) : : "cc", "1", "2", "3"
+		);
+#else /* QDIO_32_BIT */
+	asm volatile (
+		"lghi	1,3	\n\t"
+		".insn	rre,0xb2650000,2,0	\n\t"
+		"lgr	%0,3	\n\t"
+		: "=d" (time) : : "cc", "1", "2", "3"
+		);
+#endif /* QDIO_32_BIT */
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_HEX5(0,trace,&time,sizeof(unsigned long));
+#endif /* QDIO_DBF_LIKE_HELL */
+	return time;
+}
+
+/************************* OUTBOUND ROUTINES *******************************/
+
+static inline void qdio_translate_buffer_back(qdio_q_t *q,int bufno)
+{
+	if (unlikely(!q->is_0copy_sbals_q))
+		memcpy(q->qdio_buffers[bufno],
+		       (void*)q->sbal[bufno],SBAL_SIZE);
+}
+
+inline static int qdio_get_outbound_buffer_frontier(qdio_q_t *q)
+{
+	int f,f_mod_no;
+	volatile char *slsb;
+	int first_not_to_check;
+	char dbf_text[15];
+	char slsbyte;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"getobfro");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	slsb=&q->slsb.acc.val[0];
+	f_mod_no=f=q->first_to_check;
+	/* f point to already processed elements, so f+no_used is correct...
+	 * ... but: we don't check 128 buffers, as otherwise
+	 * qdio_has_outbound_q_moved would return 0 */
+	first_not_to_check=f+qdio_min(atomic_read(&q->number_of_buffers_used),
+				      (QDIO_MAX_BUFFERS_PER_Q-1));
+
+	if ((!q->is_iqdio_q)&&(!q->hydra_gives_outbound_pcis)) {
+		SYNC_MEMORY;
+	}
+
+check_next:
+	if (f==first_not_to_check) goto out;
+	slsbyte=slsb[f_mod_no];
+
+	/* the hydra has not fetched the output yet */
+	if (slsbyte==SLSB_CU_OUTPUT_PRIMED) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT5(0,trace,"outpprim");
+#endif /* QDIO_DBF_LIKE_HELL */
+		goto out;
+	}
+
+	/* the hydra got it */
+	if (slsbyte==SLSB_P_OUTPUT_EMPTY) {
+		atomic_dec(&q->number_of_buffers_used);
+		f++;
+		f_mod_no=f&(QDIO_MAX_BUFFERS_PER_Q-1);
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT5(0,trace,"outpempt");
+#endif /* QDIO_DBF_LIKE_HELL */
+		goto check_next;
+	}
+
+	if (slsbyte==SLSB_P_OUTPUT_ERROR) {
+		QDIO_DBF_TEXT3(0,trace,"outperr");
+		sprintf(dbf_text,"%x-%x-%x",f_mod_no,
+			q->sbal[f_mod_no]->element[14].sbalf.value,
+			q->sbal[f_mod_no]->element[15].sbalf.value);
+		QDIO_DBF_TEXT3(1,trace,dbf_text);
+		QDIO_DBF_HEX2(1,sbal,q->sbal[f_mod_no],256);
+
+		/* kind of process the buffer */
+		set_slsb(&q->slsb.acc.val[f_mod_no],
+			 SLSB_P_OUTPUT_NOT_INIT);
+
+		qdio_translate_buffer_back(q,f_mod_no);
+
+		/* we increment the frontier, as this buffer
+		 * was processed obviously */
+		atomic_dec(&q->number_of_buffers_used);
+		f_mod_no=(f_mod_no+1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+
+		if (q->qdio_error)
+			q->error_status_flags|=
+				QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR;
+		q->qdio_error=SLSB_P_OUTPUT_ERROR;
+		q->error_status_flags|=QDIO_STATUS_LOOK_FOR_ERROR;
+
+		goto out;
+	}
+
+	/* no new buffers */
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT5(0,trace,"outpni");
+#endif /* QDIO_DBF_LIKE_HELL */
+	goto out;
+
+out:
+	return (q->first_to_check=f_mod_no);
+}
+
+/* all buffers are processed */
+inline static int qdio_is_outbound_q_done(qdio_q_t *q)
+{
+	int no_used;
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	no_used=atomic_read(&q->number_of_buffers_used);
+
+#ifdef QDIO_DBF_LIKE_HELL
+	if (no_used) {
+		sprintf(dbf_text,"oqisnt%02x",no_used);
+		QDIO_DBF_TEXT4(0,trace,dbf_text);
+	} else {
+		QDIO_DBF_TEXT4(0,trace,"oqisdone");
+	}
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+	return (no_used==0);
+}
+
+inline static int qdio_has_outbound_q_moved(qdio_q_t *q)
+{
+	int i;
+
+	i=qdio_get_outbound_buffer_frontier(q);
+
+	if ( (i!=GET_SAVED_FRONTIER(q)) ||
+	     (q->error_status_flags&QDIO_STATUS_LOOK_FOR_ERROR) ) {
+		SAVE_FRONTIER(q,i);
+		SAVE_TIMESTAMP(q);
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"oqhasmvd");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 1;
+	} else {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"oqhsntmv");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 0;
+	}
+}
+
+inline static void qdio_kick_outbound_q(qdio_q_t *q)
+{
+	int result;
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"kickoutq");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (!q->siga_out) return;
+
+	result=qdio_siga_output(q);
+
+	if (result) {
+		if (q->siga_error)
+			q->error_status_flags|=
+				QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR;
+		q->error_status_flags|=
+			QDIO_STATUS_LOOK_FOR_ERROR;
+		q->siga_error=result;
+	}
+}
+
+inline static void qdio_kick_outbound_handler(qdio_q_t *q)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	int start=q->first_element_to_kick;
+	/* last_move_ftc was just updated */
+	int real_end=GET_SAVED_FRONTIER(q);
+	int end=(real_end+QDIO_MAX_BUFFERS_PER_Q-1)&
+		(QDIO_MAX_BUFFERS_PER_Q-1);
+	int count=(end+QDIO_MAX_BUFFERS_PER_Q+1-start)&
+		(QDIO_MAX_BUFFERS_PER_Q-1);
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"kickouth");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_DBF_LIKE_HELL
+	sprintf(dbf_text,"s=%2xc=%2x",start,count);
+	QDIO_DBF_TEXT4(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (q->state==QDIO_IRQ_STATE_ACTIVE)
+		q->handler(q->irq,QDIO_STATUS_OUTBOUND_INT|
+			   q->error_status_flags,
+			   q->qdio_error,q->siga_error,q->q_no,start,count,
+			   q->int_parm);
+
+	/* for the next time: */
+	q->first_element_to_kick=real_end;
+	q->qdio_error=0;
+	q->siga_error=0;
+	q->error_status_flags=0;
+}
+
+static void qdio_outbound_processing(qdio_q_t *q)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"qoutproc");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (unlikely(qdio_reserve_q(q))) {
+		qdio_release_q(q);
+#ifdef QDIO_PERFORMANCE_STATS
+		o_p_c++;
+#endif /* QDIO_PERFORMANCE_STATS */
+		/* as we're sissies, we'll check next time */
+		if (likely(!atomic_read(&q->is_in_shutdown))) {
+			qdio_mark_q(q);
+#ifdef QDIO_DBF_LIKE_HELL
+			QDIO_DBF_TEXT4(0,trace,"busy,agn");
+#endif /* QDIO_DBF_LIKE_HELL */
+		}
+		return;
+	}
+#ifdef QDIO_PERFORMANCE_STATS
+	o_p_nc++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.tl_runs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+	if (qdio_has_outbound_q_moved(q)) {
+		qdio_kick_outbound_handler(q);
+	}
+
+	if (q->is_iqdio_q) {
+		/* for asynchronous queues, we better check, if the fill
+		 * level is too high */
+		if (atomic_read(&q->number_of_buffers_used)>
+		    IQDIO_FILL_LEVEL_TO_POLL) {
+			qdio_mark_q(q);
+		}
+	} else if (!q->hydra_gives_outbound_pcis) {
+		if (!qdio_is_outbound_q_done(q)) {
+			qdio_mark_q(q);
+		}
+	}
+
+	qdio_release_q(q);
+}
+
+/************************* INBOUND ROUTINES *******************************/
+
+
+inline static int qdio_get_inbound_buffer_frontier(qdio_q_t *q)
+{
+	int f,f_mod_no;
+	volatile char *slsb;
+	char slsbyte;
+	int first_not_to_check;
+	char dbf_text[15];
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"getibfro");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	slsb=&q->slsb.acc.val[0];
+	f_mod_no=f=q->first_to_check;
+	/* we don't check 128 buffers, as otherwise qdio_has_inbound_q_moved
+	 * would return 0 */
+	first_not_to_check=f+qdio_min(atomic_read(&q->number_of_buffers_used),
+				      (QDIO_MAX_BUFFERS_PER_Q-1));
+
+	/* we don't use this one, as a PCI or we after a thin interrupt
+	 * will sync the queues
+	SYNC_MEMORY;*/
+
+check_next:
+	f_mod_no=f&(QDIO_MAX_BUFFERS_PER_Q-1);
+	if (f==first_not_to_check) goto out;
+	slsbyte=slsb[f_mod_no];
+
+	/* CU_EMPTY means frontier is reached */
+	if (slsbyte==SLSB_CU_INPUT_EMPTY) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT5(0,trace,"inptempt");
+#endif /* QDIO_DBF_LIKE_HELL */
+		goto out;
+	}
+
+	/* P_PRIMED means set slsb to P_PROCESSING and move on */
+	if (slsbyte==SLSB_P_INPUT_PRIMED) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT5(0,trace,"inptprim");
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_USE_PROCESSING_STATE
+		/* as soon as running under VM, polling the input queues will
+		 * kill VM in terms of CP overhead */
+		if (q->siga_sync) {
+			set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT);
+		} else {
+			set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_PROCESSING);
+			atomic_set(&q->polling,1);
+		}
+#else /* QDIO_USE_PROCESSING_STATE */
+		set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT);
+#endif /* QDIO_USE_PROCESSING_STATE */
+		/* not needed, as the inbound queue will be synced on the next
+		 * siga-r
+		SYNC_MEMORY;*/
+		f++;
+		atomic_dec(&q->number_of_buffers_used);
+		goto check_next;
+	}
+
+	if ( (slsbyte==SLSB_P_INPUT_NOT_INIT) ||
+	     (slsbyte==SLSB_P_INPUT_PROCESSING) ) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT5(0,trace,"inpnipro");
+#endif /* QDIO_DBF_LIKE_HELL */
+		goto out;
+	}
+
+	/* P_ERROR means frontier is reached, break and report error */
+	if (slsbyte==SLSB_P_INPUT_ERROR) {
+		sprintf(dbf_text,"inperr%2x",f_mod_no);
+		QDIO_DBF_TEXT3(1,trace,dbf_text);
+		QDIO_DBF_HEX2(1,sbal,q->sbal[f_mod_no],256);
+
+		/* kind of process the buffer */
+		set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT);
+
+		if (q->qdio_error)
+			q->error_status_flags|=
+				QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR;
+		q->qdio_error=SLSB_P_INPUT_ERROR;
+		q->error_status_flags|=QDIO_STATUS_LOOK_FOR_ERROR;
+
+		/* we increment the frontier, as this buffer
+		 * was processed obviously */
+		f_mod_no=(f_mod_no+1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+		atomic_dec(&q->number_of_buffers_used);
+
+		goto out;
+	}
+
+	/* everything else means frontier not changed (HALTED or so) */
+out:
+	q->first_to_check=f_mod_no;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_HEX4(0,trace,&q->first_to_check,sizeof(int));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	return q->first_to_check;
+}
+
+inline static int qdio_has_inbound_q_moved(qdio_q_t *q)
+{
+	int i;
+
+#ifdef QDIO_PERFORMANCE_STATS
+	static int old_pcis=0;
+	static int old_thinints=0;
+
+	if ((old_pcis==perf_stats.pcis)&&(old_thinints==perf_stats.thinints))
+		perf_stats.start_time_inbound=NOW;
+	else
+		old_pcis=perf_stats.pcis;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+	i=qdio_get_inbound_buffer_frontier(q);
+	if ( (i!=GET_SAVED_FRONTIER(q)) ||
+	     (q->error_status_flags&QDIO_STATUS_LOOK_FOR_ERROR) ) {
+		SAVE_FRONTIER(q,i);
+		if ((!q->siga_sync)&&(!q->hydra_gives_outbound_pcis)) {
+			SAVE_TIMESTAMP(q);
+		}
+
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inhasmvd");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 1;
+	} else {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inhsntmv");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 0;
+	}
+}
+
+/* means, no more buffers to be filled */
+inline static int iqdio_is_inbound_q_done(qdio_q_t *q)
+{
+	int no_used;
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	no_used=atomic_read(&q->number_of_buffers_used);
+
+	/* propagate the change from 82 to 80 through VM */
+	SYNC_MEMORY;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	if (no_used) {
+		sprintf(dbf_text,"iqisnt%02x",no_used);
+		QDIO_DBF_TEXT4(0,trace,dbf_text);
+	} else {
+		QDIO_DBF_TEXT4(0,trace,"iniqisdo");
+	}
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (!no_used) {
+		return 1;
+	}
+
+	if (q->siga_sync) {
+		if (q->slsb.acc.val[q->first_to_check]==SLSB_P_INPUT_PRIMED) {
+			/* ok, the next input buffer is primed. that means,
+			 * that device state change indicator and adapter
+			 * local summary are set, so we will find it next
+			 * time.
+			 * we will return 0 below, as there is nothing to
+			 * do, except of scheduling ourselves for the next
+			 * time. */
+			tiqdio_set_summary_bit((__u32*)q->dev_st_chg_ind);
+			tiqdio_sched_tl();
+		} else {
+			/* nothing more to do, if next buffer is not PRIMED.
+			 * note that we did a SYNC_MEMORY before, that there
+			 * has been a sychnronization.
+			 * we will return 0 below, as there is nothing to do
+			 * (stop_polling not necessary, as we have not been
+			 * using the PROCESSING state */
+		}
+	} else {
+		/* we'll check for more primed buffers
+		 * in qeth_stop_polling */
+	}
+
+	return 0;
+}
+
+inline static int qdio_is_inbound_q_done(qdio_q_t *q)
+{
+	int no_used;
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	no_used=atomic_read(&q->number_of_buffers_used);
+
+	/* we need that one for synchronization with Hydra, as Hydra
+	 * does a kind of PCI avoidance */
+	SYNC_MEMORY;
+
+	if (!no_used) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inqisdnA");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+		QDIO_DBF_TEXT4(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 1;
+	}
+
+	if (q->slsb.acc.val[q->first_to_check]==SLSB_P_INPUT_PRIMED) {
+		/* we got something to do */
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inqisntA");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 0;
+	}
+
+	/* on VM, we don't poll, so the q is always done here */
+	if (q->siga_sync) return 1;
+	if (q->hydra_gives_outbound_pcis) return 1;
+
+	/* at this point we know, that inbound first_to_check
+	   has (probably) not moved (see qdio_inbound_processing) */
+	if (NOW>GET_SAVED_TIMESTAMP(q)+q->timing.threshold) {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inqisdon");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+		sprintf(dbf_text,"pf%02xcn%02x",q->first_to_check,no_used);
+		QDIO_DBF_TEXT4(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 1;
+	} else {
+#ifdef QDIO_DBF_LIKE_HELL
+		QDIO_DBF_TEXT4(0,trace,"inqisntd");
+		QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+		sprintf(dbf_text,"pf%02xcn%02x",q->first_to_check,no_used);
+		QDIO_DBF_TEXT4(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+		return 0;
+	}
+}
+
+inline static void qdio_kick_inbound_handler(qdio_q_t *q)
+{
+	int count=0;
+	int start,end,real_end,i;
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+
+	QDIO_DBF_TEXT4(0,trace,"kickinh");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	start=q->first_element_to_kick;
+	real_end=q->first_to_check;
+	end=(real_end+QDIO_MAX_BUFFERS_PER_Q-1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+
+	i=start;
+	while (1) {
+		count++;
+		qdio_translate_buffer_back(q,i);
+		if (i==end) break;
+		i=(i+1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+	}
+
+#ifdef QDIO_DBF_LIKE_HELL
+	sprintf(dbf_text,"s=%2xc=%2x",start,count);
+	QDIO_DBF_TEXT4(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (likely(q->state==QDIO_IRQ_STATE_ACTIVE))
+		q->handler(q->irq,
+			   QDIO_STATUS_INBOUND_INT|q->error_status_flags,
+			   q->qdio_error,q->siga_error,q->q_no,start,count,
+			   q->int_parm);
+
+	/* for the next time: */
+	q->first_element_to_kick=real_end;
+	q->qdio_error=0;
+	q->siga_error=0;
+	q->error_status_flags=0;
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.inbound_time+=NOW-perf_stats.start_time_inbound;
+	perf_stats.inbound_cnt++;
+#endif /* QDIO_PERFORMANCE_STATS */
+}
+
+static inline void tiqdio_inbound_processing(qdio_q_t *q)
+{
+	qdio_irq_t *irq_ptr;
+	qdio_q_t *oq;
+	int i;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"iqinproc");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	/* we first want to reserve the q, so that we know, that we don't
+	 * interrupt ourselves and call qdio_unmark_q, as is_in_shutdown might
+	 * be set */
+	if (unlikely(qdio_reserve_q(q))) {
+		qdio_release_q(q);
+#ifdef QDIO_PERFORMANCE_STATS
+		ii_p_c++;
+#endif /* QDIO_PERFORMANCE_STATS */
+		/* as we might just be about to stop polling, we make
+		 * sure that we check again at least once more */
+		tiqdio_sched_tl();
+		return;
+	}
+#ifdef QDIO_PERFORMANCE_STATS
+	ii_p_nc++;
+#endif /* QDIO_PERFORMANCE_STATS */
+	if (unlikely(atomic_read(&q->is_in_shutdown))) {
+		qdio_unmark_q(q);
+		goto out;
+	}
+
+	if (*(q->dev_st_chg_ind)) {
+		tiqdio_clear_summary_bit((__u32*)q->dev_st_chg_ind);
+
+		if (q->hydra_gives_outbound_pcis) {
+			if (!q->siga_sync_done_on_thinints) {
+				SYNC_MEMORY_ALL;
+			} else if ((!q->siga_sync_done_on_outb_tis)&&
+				   (q->hydra_gives_outbound_pcis)) {
+				SYNC_MEMORY_ALL_OUTB;
+			}
+		} else {
+			SYNC_MEMORY;
+		}
+
+		/* maybe we have to do work on our outbound queues... at least
+		 * we have to check Hydra outbound-int-capable thinint-capable
+		 * queues */
+		if (q->hydra_gives_outbound_pcis) {
+			irq_ptr=(qdio_irq_t*)q->irq_ptr;
+ 			for (i=0;i<irq_ptr->no_output_qs;i++) {
+ 				oq=irq_ptr->output_qs[i];
+#ifdef QDIO_PERFORMANCE_STATS
+				perf_stats.tl_runs--;
+#endif /* QDIO_PERFORMANCE_STATS */
+				if (!qdio_is_outbound_q_done(oq)) {
+					qdio_outbound_processing(oq);
+				}
+			}
+		}
+
+		if (qdio_has_inbound_q_moved(q)) {
+			qdio_kick_inbound_handler(q);
+			if (iqdio_is_inbound_q_done(q)) {
+				if (!qdio_stop_polling(q)) {
+					/* we set the flags to get into
+					 * the stuff next time, see also
+					 * comment in qdio_stop_polling */
+					tiqdio_set_summary_bit
+						((__u32*)q->dev_st_chg_ind);
+					tiqdio_sched_tl();
+				}
+			}
+		}
+	}
+out:
+	qdio_release_q(q);
+}
+
+static void qdio_inbound_processing(qdio_q_t *q)
+{
+	int q_laps=0;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"qinproc");
+	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (unlikely(qdio_reserve_q(q))) {
+		qdio_release_q(q);
+#ifdef QDIO_PERFORMANCE_STATS
+		i_p_c++;
+#endif /* QDIO_PERFORMANCE_STATS */
+		/* as we're sissies, we'll check next time */
+		if (likely(!atomic_read(&q->is_in_shutdown))) {
+			qdio_mark_q(q);
+#ifdef QDIO_DBF_LIKE_HELL
+			QDIO_DBF_TEXT4(0,trace,"busy,agn");
+#endif /* QDIO_DBF_LIKE_HELL */
+		}
+		return;
+	}
+#ifdef QDIO_PERFORMANCE_STATS
+	i_p_nc++;
+	perf_stats.tl_runs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+again:
+	if (qdio_has_inbound_q_moved(q)) {
+		qdio_kick_inbound_handler(q);
+		if (!qdio_stop_polling(q)) {
+			q_laps++;
+			if (q_laps<QDIO_Q_LAPS) goto again;
+		}
+		qdio_mark_q(q);
+	} else {
+		if (!qdio_is_inbound_q_done(q)) /* means poll time is 
+						   not yet over */
+			qdio_mark_q(q);
+	}
+
+	qdio_release_q(q);
+}
+
+/************************* MAIN ROUTINES *******************************/
+
+static inline void tiqdio_inbound_checks(void)
+{
+	qdio_q_t *q;
+#ifdef QDIO_USE_PROCESSING_STATE
+	int q_laps=0;
+#endif /* QDIO_USE_PROCESSING_STATE */
+
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[15];
+
+	QDIO_DBF_TEXT4(0,trace,"iqdinbck");
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT5(0,trace,"iqlocsum");
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_USE_PROCESSING_STATE
+again:
+#endif /* QDIO_USE_PROCESSING_STATE */
+
+	q=(qdio_q_t*)tiq_list;
+	/* switch all active queues to processing state */
+	do {
+		if (!q) break;
+		tiqdio_inbound_processing(q);
+		q=(qdio_q_t*)q->list_next;
+	} while (q!=(qdio_q_t*)tiq_list);
+
+	/* switch off all queues' processing state */
+#ifdef QDIO_USE_PROCESSING_STATE
+	q=(qdio_q_t*)tiq_list;
+	do {
+		if (!q) {
+			tiqdio_sched_tl();
+			break;
+		}
+		/* under VM, we have not used the PROCESSING state, so no
+		 * need to stop polling */
+		if (q->siga_sync) {
+			q=(qdio_q_t*)q->list_next;
+			continue;
+		}
+
+		if (unlikely(qdio_reserve_q(q))) {
+			qdio_release_q(q);
+#ifdef QDIO_PERFORMANCE_STATS
+			ii_p_c++;
+#endif /* QDIO_PERFORMANCE_STATS */
+			/* as we might just be about to stop polling, we make
+			 * sure that we check again at least once more */
+
+			/* sanity -- we'd get here without setting the
+			 * dev st chg ind */
+			tiqdio_set_summary_bit((__u32*)q->dev_st_chg_ind);
+			tiqdio_sched_tl();
+			break;
+		}
+		if (!qdio_stop_polling(q)) {
+			q_laps++;
+			if (q_laps<QDIO_Q_LAPS) {
+				qdio_release_q(q);
+				goto again;
+			} else {
+				/* we set the flags to get into the stuff
+				 * next time, see also comment in
+				 * qdio_stop_polling */
+				tiqdio_set_summary_bit((__u32*)
+						      q->dev_st_chg_ind);
+				tiqdio_sched_tl();
+			}
+		}
+		qdio_release_q(q);
+		q=(qdio_q_t*)q->list_next;
+	} while (q!=(qdio_q_t*)tiq_list);
+#endif /* QDIO_USE_PROCESSING_STATE */
+}
+
+static void tiqdio_tl(unsigned long data)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"tiqdio_tl");
+#endif /* QDIO_DBF_LIKE_HELL */
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.tl_runs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+	tiqdio_inbound_checks();
+}
+
+/********************* GENERAL HELPER_ROUTINES ***********************/
+
+static qdio_irq_t *qdio_get_irq_ptr(int irq)
+{
+	qdio_irq_t *irq_ptr;
+	int bucket=irq&(QDIO_IRQ_BUCKETS-1);
+
+	read_lock(&irq_list_lock[bucket]);
+	irq_ptr=first_irq[bucket];
+	while (irq_ptr) {
+		if (irq_ptr->irq==irq) break;
+		irq_ptr=irq_ptr->next;
+	}
+	read_unlock(&irq_list_lock[bucket]);
+	return irq_ptr;
+}
+
+static qdio_irq_t *qdio_get_irq_ptr_wolock(int irq)
+{
+	qdio_irq_t *irq_ptr=first_irq[irq&(QDIO_IRQ_BUCKETS-1)];
+
+	while (irq_ptr) {
+		if (irq_ptr->irq==irq) break;
+		irq_ptr=irq_ptr->next;
+	}
+	return irq_ptr;
+}
+
+/* irq_ptr->irq should be set already! */
+static void qdio_insert_irq_ptr(qdio_irq_t *irq_ptr)
+{
+	qdio_irq_t *i_p;
+	int irq,bucket;
+
+	if (!irq_ptr) return;
+
+	irq=irq_ptr->irq;
+	bucket=irq&(QDIO_IRQ_BUCKETS-1);
+
+	write_lock(&irq_list_lock[bucket]);
+
+	if (irq_ptr==qdio_get_irq_ptr_wolock(irq)) goto out;
+
+	if (!first_irq[bucket]) {
+		first_irq[bucket]=irq_ptr;
+	} else {
+		i_p=first_irq[bucket];
+		while (i_p->next)
+			i_p=i_p->next;
+		i_p->next=irq_ptr;
+	}
+	irq_ptr->next=NULL;
+out:
+	write_unlock(&irq_list_lock[bucket]);
+}
+
+static void qdio_remove_irq_ptr(qdio_irq_t *irq_ptr)
+{
+	qdio_irq_t *i_p;
+	int irq,bucket;
+
+	if (!irq_ptr) return;
+
+	irq=irq_ptr->irq;
+	bucket=irq&(QDIO_IRQ_BUCKETS-1);
+
+	write_lock(&irq_list_lock[bucket]);
+
+	if (!qdio_get_irq_ptr_wolock(irq)) goto out;
+
+	if (first_irq[irq&(QDIO_IRQ_BUCKETS-1)]==irq_ptr) {
+		first_irq[irq&(QDIO_IRQ_BUCKETS-1)]=irq_ptr->next;
+	} else {
+		for (i_p=first_irq[irq&(QDIO_IRQ_BUCKETS-1)];
+		     i_p->next!=irq_ptr;i_p=i_p->next);
+		i_p->next=irq_ptr->next;
+	}
+	irq_ptr->next=NULL;
+out:
+	write_unlock(&irq_list_lock[bucket]);
+}
+
+static void qdio_release_irq_memory(qdio_irq_t *irq_ptr)
+{
+	int i,j;
+	int available;
+
+	for (i=0;i<QDIO_MAX_QUEUES_PER_IRQ;i++) {
+		if (!irq_ptr->input_qs[i]) goto next;
+		available=0;
+		if (!irq_ptr->input_qs[i]->is_0copy_sbals_q)
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+				if (!available) {
+					if (irq_ptr->input_qs[i]->sbal[j])
+						kfree((void*)irq_ptr->
+						      input_qs[i]->sbal[j]);
+					available=PAGE_SIZE;
+				}
+				available-=sizeof(sbal_t);
+			}
+		if (irq_ptr->input_qs[i]->slib)
+			kfree(irq_ptr->input_qs[i]->slib);
+			kfree(irq_ptr->input_qs[i]);
+
+next:
+		if (!irq_ptr->output_qs[i]) continue;
+		available=0;
+		if (!irq_ptr->output_qs[i]->is_0copy_sbals_q)
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+				if (!available) {
+					if (irq_ptr->output_qs[i]->sbal[j])
+						kfree((void*)irq_ptr->
+						      output_qs[i]->sbal[j]);
+					available=PAGE_SIZE;
+				}
+				available-=sizeof(sbal_t);
+			}
+		if (irq_ptr->output_qs[i]->slib)
+			kfree(irq_ptr->output_qs[i]->slib);
+		kfree(irq_ptr->output_qs[i]);
+
+	}
+	if (irq_ptr->qdr) kfree(irq_ptr->qdr);
+	kfree(irq_ptr);
+}
+
+static inline void qdio_wakeup(atomic_t *var,qdio_irq_t *irq_ptr)
+{
+	wait_queue_head_t *wait_q;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[20];
+	sprintf(dbf_text,"qwkp%4x",irq_ptr->irq);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	atomic_set(var,1);
+	if ((wait_q=&irq_ptr->wait_q))
+		wake_up(wait_q);
+}
+
+static int qdio_sleepon(atomic_t *var,int timeout,qdio_irq_t *irq_ptr)
+{
+        __u64 stop;
+	int retval;
+        DECLARE_WAITQUEUE (current_wait_q,current);
+
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[20];
+	sprintf(dbf_text,"qslp%4x",irq_ptr->irq);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	add_wait_queue(&irq_ptr->wait_q,&current_wait_q);
+        stop=(qdio_get_micros()>>10)+timeout;
+        for (;;) {
+		set_task_state(current,TASK_INTERRUPTIBLE);
+		if (atomic_read(var)) {
+			atomic_set(var,0);
+                        retval=0;
+			goto out;
+                }
+                if (qdio_get_micros()>>10>stop) {
+#ifdef QDIO_DBF_LIKE_HELL
+			sprintf(dbf_text,"%xtime",irq_ptr->irq);
+			QDIO_DBF_TEXT3(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+			retval=-ETIME;
+			goto out;
+		}
+                schedule_timeout(((stop-(qdio_get_micros()>>10))>>10)*HZ);
+        }
+ out:
+	set_task_state(current,TASK_RUNNING);
+	remove_wait_queue(&irq_ptr->wait_q,&current_wait_q);
+	return retval;
+}
+
+static void qdio_set_impl_params(qdio_irq_t *irq_ptr,
+				 unsigned int qib_param_field_format,
+			  /* pointer to 128 bytes or NULL, if no param field */
+				 unsigned char *qib_param_field,
+				 unsigned int no_input_qs,
+				 unsigned int no_output_qs,
+			  /* pointer to no_queues*128 words of data or NULL */
+				 unsigned long *input_slib_elements,
+				 unsigned long *output_slib_elements)
+{
+	int i,j;
+
+	if (!irq_ptr) return;
+
+	irq_ptr->qib.pfmt=qib_param_field_format;
+	if (qib_param_field)
+		memcpy(irq_ptr->qib.parm,qib_param_field,
+		       QDIO_MAX_BUFFERS_PER_Q);
+
+	if (input_slib_elements)
+		for (i=0;i<no_input_qs;i++) {
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++)
+				irq_ptr->input_qs[i]->slib->slibe[j].parms=
+					input_slib_elements[
+						i*QDIO_MAX_BUFFERS_PER_Q+j];
+		}
+	if (output_slib_elements)
+		for (i=0;i<no_output_qs;i++) {
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++)
+				irq_ptr->output_qs[i]->slib->slibe[j].parms=
+					output_slib_elements[
+						i*QDIO_MAX_BUFFERS_PER_Q+j];
+		}
+}
+
+
+
+static int qdio_alloc_qs(qdio_irq_t *irq_ptr,int no_input_qs,int no_output_qs,
+			 qdio_handler_t *input_handler,
+			 qdio_handler_t *output_handler,
+			 unsigned long int_parm,int q_format,
+			 unsigned long flags,
+			 void **inbound_sbals_array,
+			 void **outbound_sbals_array)
+{
+	qdio_q_t *q;
+	int i,j,result=0;
+	char dbf_text[20]; /* see qdio_initialize */
+	void *ptr;
+	int available;
+
+	for (i=0;i<no_input_qs;i++) {
+		q=kmalloc(sizeof(qdio_q_t),GFP_KERNEL);
+
+		if (!q) {
+			QDIO_PRINT_ERR("kmalloc of q failed!\n");
+			goto out;
+		}
+		memset(q,0,sizeof(qdio_q_t));
+
+		sprintf(dbf_text,"in-q%4x",i);
+		QDIO_DBF_TEXT0(0,setup,dbf_text);
+		QDIO_DBF_HEX0(0,setup,&q,sizeof(void*));
+
+		q->slib=kmalloc(PAGE_SIZE,GFP_KERNEL);
+		if (!q->slib) {
+			QDIO_PRINT_ERR("kmalloc of slib failed!\n");
+			goto out;
+		}
+		memset(q->slib,0,PAGE_SIZE);
+		q->sl=(sl_t*)(((char*)q->slib)+PAGE_SIZE/2);
+
+		available=0;
+		if (flags&QDIO_INBOUND_0COPY_SBALS) {
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+				q->sbal[j]=*(inbound_sbals_array++);
+			}
+		} else for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+			if (!available) {
+				q->sbal[j]=kmalloc(PAGE_SIZE,GFP_KERNEL);
+				if (!q->sbal[j]) {
+					goto out;
+				}
+				available=PAGE_SIZE;
+				memset((void*)q->sbal[j],0,PAGE_SIZE);
+			} else {
+				q->sbal[j]=(volatile sbal_t *)
+					(((char*)q->sbal[j-1])+sizeof(sbal_t));
+			}
+			available-=sizeof(sbal_t);
+		}
+
+                q->queue_type=q_format;
+		q->int_parm=int_parm;
+		irq_ptr->input_qs[i]=q;
+		q->irq=irq_ptr->irq;
+		q->irq_ptr=irq_ptr;
+		q->mask=1<<(31-i);
+		q->q_no=i;
+		q->is_input_q=1;
+		q->is_0copy_sbals_q=flags&QDIO_INBOUND_0COPY_SBALS;
+		q->first_to_check=0;
+		q->last_move_ftc=0;
+		q->handler=input_handler;
+		q->dev_st_chg_ind=irq_ptr->dev_st_chg_ind;
+
+		q->tasklet.data=(unsigned long)q;
+		/* q->is_thinint_q isn't valid at this time, but
+		 * irq_ptr->is_thinint_irq is */
+		q->tasklet.func=(void(*)(unsigned long))
+			((irq_ptr->is_thinint_irq)?&tiqdio_inbound_processing:
+			 &qdio_inbound_processing);
+
+/*		for (j=0;j<QDIO_STATS_NUMBER;j++)
+			q->timing.last_transfer_times[j]=(qdio_get_micros()/
+							  QDIO_STATS_NUMBER)*j;
+		q->timing.last_transfer_index=QDIO_STATS_NUMBER-1;
+*/
+
+		/* fill in slib */
+		if (i>0) irq_ptr->input_qs[i-1]->slib->nsliba=
+				 QDIO_PFIX_GET_ADDR(q->slib);
+		q->slib->sla=QDIO_PFIX_GET_ADDR(q->sl);
+		q->slib->slsba=QDIO_PFIX_GET_ADDR((void *)&q->slsb.acc.val[0]);
+
+		/* fill in sl */
+		for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++)
+			q->sl->element[j].sbal=
+				QDIO_PFIX_GET_ADDR((void *)q->sbal[j]);
+
+		QDIO_DBF_TEXT2(0,setup,"sl-sb-b0");
+		ptr=(void*)q->sl;
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+		ptr=(void*)&q->slsb;
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+		ptr=(void*)q->sbal[0];
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+
+		/* fill in slsb */
+		for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+			set_slsb(&q->slsb.acc.val[j],
+		   		 SLSB_P_INPUT_NOT_INIT);
+			q->sbal[j]->element[1].sbalf.i1.key=
+				QDIO_STORAGE_ACC_KEY;
+		}
+	}
+
+	for (i=0;i<no_output_qs;i++) {
+		q=kmalloc(sizeof(qdio_q_t),GFP_KERNEL);
+
+		if (!q) {
+			goto out;
+		}
+		memset(q,0,sizeof(qdio_q_t));
+
+		sprintf(dbf_text,"outq%4x",i);
+		QDIO_DBF_TEXT0(0,setup,dbf_text);
+		QDIO_DBF_HEX0(0,setup,&q,sizeof(void*));
+
+		q->slib=kmalloc(PAGE_SIZE,GFP_KERNEL);
+		if (!q->slib) {
+			QDIO_PRINT_ERR("kmalloc of slib failed!\n");
+			goto out;
+		}
+		memset(q->slib,0,PAGE_SIZE);
+		q->sl=(sl_t*)(((char*)q->slib)+PAGE_SIZE/2);
+
+		available=0;
+		if (flags&QDIO_OUTBOUND_0COPY_SBALS) {
+			for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+				q->sbal[j]=*(outbound_sbals_array++);
+			}
+		} else for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+			if (!available) {
+				q->sbal[j]=kmalloc(PAGE_SIZE,GFP_KERNEL);
+				if (!q->sbal[j]) {
+					goto out;
+				}
+				available=PAGE_SIZE;
+				memset((void*)q->sbal[j],0,PAGE_SIZE);
+			} else {
+				q->sbal[j]=(volatile sbal_t *)
+					(((char*)q->sbal[j-1])+sizeof(sbal_t));
+			}
+			available-=sizeof(sbal_t);
+		}
+
+                q->queue_type=q_format;
+		q->int_parm=int_parm;
+		irq_ptr->output_qs[i]=q;
+		q->is_input_q=0;
+		q->is_0copy_sbals_q=flags&QDIO_OUTBOUND_0COPY_SBALS;
+		q->irq=irq_ptr->irq;
+		q->irq_ptr=irq_ptr;
+		q->mask=1<<(31-i);
+		q->q_no=i;
+		q->first_to_check=0;
+		q->last_move_ftc=0;
+		q->handler=output_handler;
+
+		q->tasklet.data=(unsigned long)q;
+		q->tasklet.func=(void(*)(unsigned long))
+			&qdio_outbound_processing;
+
+		/* fill in slib */
+		if (i>0) irq_ptr->output_qs[i-1]->slib->nsliba=
+				 QDIO_PFIX_GET_ADDR(q->slib);
+		q->slib->sla=QDIO_PFIX_GET_ADDR(q->sl);
+		q->slib->slsba=QDIO_PFIX_GET_ADDR((void *)&q->slsb.acc.val[0]);
+
+		/* fill in sl */
+		for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++)
+			q->sl->element[j].sbal=
+				QDIO_PFIX_GET_ADDR((void *)q->sbal[j]);
+
+		QDIO_DBF_TEXT2(0,setup,"sl-sb-b0");
+		ptr=(void*)q->sl;
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+		ptr=(void*)&q->slsb;
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+		ptr=(void*)q->sbal[0];
+		QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*));
+
+		/* fill in slsb */
+		for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) {
+			set_slsb(&q->slsb.acc.val[j],
+		   		 SLSB_P_OUTPUT_NOT_INIT);
+			q->sbal[j]->element[1].sbalf.i1.key=
+				QDIO_STORAGE_ACC_KEY;
+		}
+	}
+
+	result=1;
+out:
+	return result;
+}
+
+static void qdio_fill_thresholds(qdio_irq_t *irq_ptr,
+				 unsigned int no_input_qs,
+				 unsigned int no_output_qs,
+				 unsigned int min_input_threshold,
+				 unsigned int max_input_threshold,
+				 unsigned int min_output_threshold,
+				 unsigned int max_output_threshold)
+{
+	int i;
+	qdio_q_t *q;
+
+	for (i=0;i<no_input_qs;i++) {
+		q=irq_ptr->input_qs[i];
+		q->timing.threshold=max_input_threshold;
+/*		for (j=0;j<QDIO_STATS_CLASSES;j++) {
+			q->threshold_classes[j].threshold=
+				min_input_threshold+
+				(max_input_threshold-min_input_threshold)/
+				QDIO_STATS_CLASSES;
+		}
+		qdio_use_thresholds(q,QDIO_STATS_CLASSES/2);*/
+	}
+	for (i=0;i<no_output_qs;i++) {
+		q=irq_ptr->output_qs[i];
+		q->timing.threshold=max_output_threshold;
+/*		for (j=0;j<QDIO_STATS_CLASSES;j++) {
+			q->threshold_classes[j].threshold=
+				min_output_threshold+
+				(max_output_threshold-min_output_threshold)/
+				QDIO_STATS_CLASSES;
+		}
+		qdio_use_thresholds(q,QDIO_STATS_CLASSES/2);*/
+	}
+}
+
+static int tiqdio_thinint_handler(__u32 intparm)
+{
+#ifdef QDIO_DBF_LIKE_HELL
+	QDIO_DBF_TEXT4(0,trace,"thin_int");
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.thinints++;
+	perf_stats.start_time_inbound=NOW;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+	/* VM will do the SVS for us
+	 * issue SVS to benefit from iqdio interrupt avoidance (SVS clears AISOI)*/
+	if (!MACHINE_IS_VM) {
+		tiqdio_clear_global_summary();
+	}
+
+	tiqdio_inbound_checks();
+	return 0;
+}
+
+static void qdio_set_state(qdio_irq_t *irq_ptr,int state)
+{
+	int i;
+	char dbf_text[15];
+
+	QDIO_DBF_TEXT5(0,trace,"newstate");
+	sprintf(dbf_text,"%4x%4x",irq_ptr->irq,state);
+	QDIO_DBF_TEXT5(0,trace,dbf_text);
+
+	irq_ptr->state=state;
+	for (i=0;i<irq_ptr->no_input_qs;i++)
+		irq_ptr->input_qs[i]->state=state;
+	for (i=0;i<irq_ptr->no_output_qs;i++)
+		irq_ptr->output_qs[i]->state=state;
+	mb();
+}
+
+static void qdio_handler(int irq,devstat_t *devstat,struct pt_regs *p)
+{
+	qdio_irq_t *irq_ptr;
+	qdio_q_t *q;
+	int i;
+	int cstat,dstat;
+	int rqparam;
+	char dbf_text[15]="qintXXXX";
+
+        cstat = devstat->cstat;
+        dstat = devstat->dstat;
+        rqparam=devstat->intparm;
+
+	*((int*)(&dbf_text[4]))=irq;
+	QDIO_DBF_HEX4(0,trace,dbf_text,QDIO_DBF_TRACE_LEN);
+	
+	if (!rqparam) {
+		QDIO_PRINT_STUPID("got unsolicited interrupt in qdio " \
+				  "handler, irq 0x%x\n",irq);
+		return;
+	}
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) {
+		sprintf(dbf_text,"uint%4x",irq);
+		QDIO_DBF_TEXT2(1,trace,dbf_text);
+		QDIO_PRINT_ERR("received interrupt on unused irq 0x%04x!\n",
+			       irq);
+		return;
+	}
+
+	if (devstat->flag&DEVSTAT_FLAG_SENSE_AVAIL) {
+		sprintf(dbf_text,"sens%4x",irq);
+		QDIO_DBF_TEXT2(1,trace,dbf_text);
+		QDIO_DBF_HEX0(0,sense,&devstat->ii.irb,QDIO_DBF_SENSE_LEN);
+
+		QDIO_PRINT_WARN("sense data available on qdio channel.\n");
+		HEXDUMP16(WARN,"irb: ",&devstat->ii.irb);
+		HEXDUMP16(WARN,"sense data: ",&devstat->ii.sense.data[0]);
+	}
+
+	irq_ptr->io_result_cstat=ioinfo[irq]->devstat.cstat;
+	irq_ptr->io_result_dstat=ioinfo[irq]->devstat.dstat;
+	irq_ptr->io_result_flags=ioinfo[irq]->devstat.flag;
+
+	if ( (rqparam==QDIO_DOING_ACTIVATE) &&
+	     (cstat & SCHN_STAT_PCI) ) {
+#ifdef QDIO_PERFORMANCE_STATS
+		perf_stats.pcis++;
+		perf_stats.start_time_inbound=NOW;
+#endif /* QDIO_PERFORMANCE_STATS */
+		for (i=0;i<irq_ptr->no_input_qs;i++) {
+			q=irq_ptr->input_qs[i];
+			if (q->is_input_q&QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT)
+				qdio_mark_q(q);
+			else {
+#ifdef QDIO_PERFORMANCE_STATS
+				perf_stats.tl_runs--;
+#endif /* QDIO_PERFORMANCE_STATS */
+				qdio_inbound_processing(q);
+			}
+		}
+		if (irq_ptr->hydra_gives_outbound_pcis) {
+ 			for (i=0;i<irq_ptr->no_output_qs;i++) {
+ 				q=irq_ptr->output_qs[i];
+#ifdef QDIO_PERFORMANCE_STATS
+				perf_stats.tl_runs--;
+#endif /* QDIO_PERFORMANCE_STATS */
+				if (!qdio_is_outbound_q_done(q)) {
+					if (!irq_ptr->sync_done_on_outb_pcis) {
+						SYNC_MEMORY;
+					}
+					qdio_outbound_processing(q);
+				}
+			}
+		}
+		return;
+	}
+
+	if ( (rqparam==QDIO_DOING_ACTIVATE) &&
+	     (!cstat) &&
+	     (!dstat) ) {
+		rqparam=QDIO_DOING_CLEANUP;
+	}
+
+	if ( (rqparam==QDIO_DOING_ESTABLISH) &&
+	     ( (cstat) ||
+	       (dstat & ~(DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ) ) {
+		sprintf(dbf_text,"ick1%4x",irq);
+		QDIO_DBF_TEXT2(1,trace,dbf_text);
+		QDIO_DBF_HEX2(0,trace,&rqparam,sizeof(int));
+		QDIO_DBF_HEX2(0,trace,&dstat,sizeof(int));
+		QDIO_DBF_HEX2(0,trace,&cstat,sizeof(int));
+		QDIO_PRINT_ERR("received check condition on establish " \
+			       "queues on irq 0x%x (cs=x%x, ds=x%x).\n",
+			       irq,cstat,dstat);
+		qdio_set_state(irq_ptr,QDIO_IRQ_STATE_STOPPED);
+		return;
+	}
+
+	if ( ( (rqparam==QDIO_DOING_ACTIVATE) &&
+	       (dstat==(DEV_STAT_CHN_END|DEV_STAT_DEV_END)) ) ||
+	     ( (rqparam==QDIO_DOING_CLEANUP) || (!rqparam) ) ) {
+		qdio_wakeup(&irq_ptr->interrupt_has_been_cleaned,irq_ptr);
+		return;
+	}
+
+	if ( (rqparam==QDIO_DOING_ACTIVATE) &&
+	     ( (cstat & ~SCHN_STAT_PCI) ||
+	       (dstat) ) ) {
+		sprintf(dbf_text,"ick2%4x",irq);
+		QDIO_DBF_TEXT2(1,trace,dbf_text);
+		QDIO_DBF_HEX2(0,trace,&rqparam,sizeof(int));
+		QDIO_DBF_HEX2(0,trace,&dstat,sizeof(int));
+		QDIO_DBF_HEX2(0,trace,&cstat,sizeof(int));
+		QDIO_PRINT_ERR("received check condition on activate " \
+			       "queues on irq 0x%x (cs=x%x, ds=x%x).\n",
+			       irq,cstat,dstat);
+		if (irq_ptr->no_input_qs) {
+			q=irq_ptr->input_qs[0];
+		} else if (irq_ptr->no_output_qs) {
+			q=irq_ptr->output_qs[0];
+		} else {
+			QDIO_PRINT_ERR("oops... no queue registered on irq " \
+				  "0x%x!?\n",irq);
+			goto omit_handler_call;
+		}
+		q->handler(q->irq,QDIO_STATUS_ACTIVATE_CHECK_CONDITION|
+			   QDIO_STATUS_LOOK_FOR_ERROR,
+			   0,0,0,-1,-1,q->int_parm);
+	omit_handler_call:
+		qdio_set_state(irq_ptr,QDIO_IRQ_STATE_STOPPED);
+		return;
+	}
+
+	qdio_wakeup(&irq_ptr->interrupt_has_arrived,irq_ptr);
+}
+
+/* this is for mp3 */
+int qdio_synchronize(int irq,unsigned int flags,
+		     unsigned int queue_number)
+{
+	unsigned int gpr2,gpr3;
+	int cc;
+	qdio_q_t *q;
+	qdio_irq_t *irq_ptr;
+	char dbf_text[15]="SyncXXXX";
+	void *ptr;
+
+	*((int*)(&dbf_text[4]))=irq;
+	QDIO_DBF_HEX4(0,trace,dbf_text,QDIO_DBF_TRACE_LEN);
+	*((int*)(&dbf_text[0]))=flags;
+	*((int*)(&dbf_text[4]))=queue_number;
+	QDIO_DBF_HEX4(0,trace,dbf_text,QDIO_DBF_TRACE_LEN);
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return -ENODEV;
+
+	if (flags&QDIO_FLAG_SYNC_INPUT) {
+		q=irq_ptr->input_qs[queue_number];
+		if (!q) return -EINVAL;
+
+		gpr2=0;
+		gpr3=q->mask;
+	} else if (flags&QDIO_FLAG_SYNC_OUTPUT) {
+		q=irq_ptr->output_qs[queue_number];
+		if (!q) return -EINVAL;
+
+		gpr2=q->mask;
+		gpr3=0;
+	} else return -EINVAL;
+
+#ifdef QDIO_32_BIT
+	asm volatile (
+		"lhi	0,2	\n\t"
+		"lr	1,%1	\n\t"
+		"lr	2,%2	\n\t"
+		"lr	3,%3	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (gpr2), "d" (gpr3)
+		: "cc", "0", "1", "2", "3"
+		);
+#else /* QDIO_32_BIT */
+	asm volatile (
+		"lghi	0,2	\n\t"
+		"llgfr	1,%1	\n\t"
+		"llgfr	2,%2	\n\t"
+		"llgfr	3,%3	\n\t"
+		"siga   0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc)
+		: "d" (0x10000|q->irq), "d" (gpr2), "d" (gpr3)
+		: "cc", "0", "1", "2", "3"
+		);
+#endif /* QDIO_32_BIT */
+
+	ptr=&cc;
+	if (cc) QDIO_DBF_HEX3(0,trace,&ptr,sizeof(int));
+
+	return cc;
+}
+
+unsigned char qdio_get_slsb_state(int irq,unsigned int flag,
+				  unsigned int queue_number,
+				  unsigned int qidx)
+{
+	qdio_irq_t *irq_ptr;
+	qdio_q_t *q;
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return SLSB_ERROR_DURING_LOOKUP;
+
+	if (flag&QDIO_FLAG_SYNC_INPUT) {
+		q=irq_ptr->input_qs[queue_number];
+	} else if (flag&QDIO_FLAG_SYNC_OUTPUT) {
+		q=irq_ptr->output_qs[queue_number];
+	} else return SLSB_ERROR_DURING_LOOKUP;
+
+	return q->slsb.acc.val[qidx&(QDIO_MAX_BUFFERS_PER_Q-1)];
+}
+
+static int qdio_chsc(qdio_chsc_area_t *chsc_area)
+{
+	int cc;
+
+#ifdef QDIO_32_BIT
+	asm volatile (
+		".insn	rre,0xb25f0000,%1,0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc) : "d" (chsc_area) : "cc"
+		);
+#else /* QDIO_32_BIT */
+	asm volatile (
+		".insn	rre,0xb25f0000,%1,0	\n\t"
+		"ipm	%0	\n\t"
+		"srl	%0,28	\n\t"
+		: "=d" (cc) : "d" (chsc_area) : "cc"
+		);
+#endif /* QDIO_32_BIT */
+
+	return cc;
+}
+
+static unsigned char qdio_check_siga_needs(int sch)
+{
+	int resp_code,result;
+
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	chsc_area->request_block.command_code1=0x0010; /* length */
+	chsc_area->request_block.command_code2=0x0024; /* op code */
+	chsc_area->request_block.first_sch=sch;
+	chsc_area->request_block.last_sch=sch;
+
+	result=qdio_chsc(chsc_area);
+
+	if (result) {
+		QDIO_PRINT_WARN("CHSC returned cc %i. Using all " \
+				"SIGAs for sch x%x.\n",
+				result,sch);
+		return -1; /* all flags set */
+	}
+
+	resp_code=chsc_area->request_block.operation_data_area.
+		store_qdio_data_response.response_code;
+	if (resp_code!=QDIO_CHSC_RESPONSE_CODE_OK) {
+		QDIO_PRINT_WARN("response upon checking SIGA needs " \
+				"is 0x%x. Using all SIGAs for sch x%x.\n",
+				resp_code,sch);
+		return -1; /* all flags set */
+	}
+	if (
+	    (!(chsc_area->request_block.operation_data_area.
+	       store_qdio_data_response.flags&CHSC_FLAG_QDIO_CAPABILITY)) ||
+	    (!(chsc_area->request_block.operation_data_area.
+	       store_qdio_data_response.flags&CHSC_FLAG_VALIDITY)) ||
+	    (chsc_area->request_block.operation_data_area.
+	     store_qdio_data_response.sch!=sch)
+	    ) {
+		QDIO_PRINT_WARN("huh? problems checking out sch x%x... " \
+				"using all SIGAs.\n",sch);
+		return CHSC_FLAG_SIGA_INPUT_NECESSARY |
+			CHSC_FLAG_SIGA_OUTPUT_NECESSARY |
+			CHSC_FLAG_SIGA_SYNC_NECESSARY; /* worst case */
+	}
+
+	return chsc_area->request_block.operation_data_area.
+		store_qdio_data_response.qdioac;
+}
+
+static int qdio_check_for_hydra_thinints(void)
+{
+	int i,result;
+
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	chsc_area->request_block.command_code1=0x0010;
+	chsc_area->request_block.command_code2=0x0010;
+	result=qdio_chsc(chsc_area);
+
+	if (result) {
+		QDIO_PRINT_WARN("CHSC returned cc %i. Won't use adapter " \
+				"interrupts for any Hydra.\n",result);
+		return 0;
+	}
+
+	i=chsc_area->request_block.operation_data_area.
+		store_qdio_data_response.response_code;
+	if (i!=1) {
+		QDIO_PRINT_WARN("Was not able to determine general " \
+				"characteristics of all Hydras aboard.\n");
+		return 0;
+	}
+
+	/* 4: request block
+	 * 2: general char
+	 * 512: chsc char */
+	/* check for bit 67 */
+	if ( (*(((unsigned int*)(chsc_area))+4+2+2)&0x10000000)!=0x10000000) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+/* the chsc_area is locked by the lock in qdio_activate */
+static unsigned int tiqdio_check_chsc_availability(void) {
+	int result;
+	int i;
+
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	chsc_area->request_block.command_code1=0x0010;
+	chsc_area->request_block.command_code2=0x0010;
+	result=qdio_chsc(chsc_area);
+	if (result) {
+		QDIO_PRINT_WARN("Was not able to determine " \
+				"available CHSCs, cc=%i.\n",
+				result);
+		result=-EIO;
+		goto exit;
+	}
+	result=0;
+	i=chsc_area->request_block.operation_data_area.
+		store_qdio_data_response.response_code;
+	if (i!=1) {
+		QDIO_PRINT_WARN("Was not able to determine " \
+				"available CHSCs.\n");
+		result=-EIO;
+		goto exit;
+	}
+	/* 4: request block
+	 * 2: general char
+	 * 512: chsc char */
+	/* check for bit 41 */
+	if ( (*(((unsigned int*)(chsc_area))+4+2+1)&0x00400000)!=0x00400000) {
+		QDIO_PRINT_WARN("Adapter interruption facility not " \
+				"installed.\n");
+		result=-ENOENT;
+		goto exit;
+	}
+	/* check for bits 107 and 108 */
+	if ( (*(((unsigned int*)(chsc_area))+4+512+3)&0x00180000)!=
+	     0x00180000 ) {
+		QDIO_PRINT_WARN("Set Chan Subsys. Char. & Fast-CHSCs " \
+				"not available.\n");
+		result=-ENOENT;
+		goto exit;
+	}
+exit:
+	return result;
+}
+
+/* the chsc_area is locked by the lock in qdio_activate */
+static unsigned int tiqdio_set_subchannel_ind(qdio_irq_t *irq_ptr,
+					     int reset_to_zero)
+{
+	unsigned long real_addr_local_summary_bit;
+	unsigned long real_addr_dev_st_chg_ind;
+	void *ptr;
+	char dbf_text[15];
+
+	unsigned int resp_code;
+	int result;
+
+	if (!irq_ptr->is_thinint_irq) return -ENODEV;
+
+	if (reset_to_zero) {
+		real_addr_local_summary_bit=0;
+		real_addr_dev_st_chg_ind=0;
+	} else {
+		real_addr_local_summary_bit=
+			virt_to_phys((volatile void *)indicators);
+		real_addr_dev_st_chg_ind=
+			virt_to_phys((volatile void *)irq_ptr->dev_st_chg_ind);
+	}
+
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	chsc_area->request_block.command_code1=0x0fe0;
+	chsc_area->request_block.command_code2=0x0021;
+	chsc_area->request_block.operation_code=0;
+	chsc_area->request_block.image_id=0;
+
+	chsc_area->request_block.operation_data_area.set_chsc.
+		summary_indicator_addr=real_addr_local_summary_bit;
+	chsc_area->request_block.operation_data_area.set_chsc.
+		subchannel_indicator_addr=real_addr_dev_st_chg_ind;
+	chsc_area->request_block.operation_data_area.set_chsc.
+		ks=QDIO_STORAGE_ACC_KEY;
+	chsc_area->request_block.operation_data_area.set_chsc.
+		kc=QDIO_STORAGE_ACC_KEY;
+	chsc_area->request_block.operation_data_area.set_chsc.
+		isc=TIQDIO_THININT_ISC;
+	chsc_area->request_block.operation_data_area.set_chsc.
+		subsystem_id=(1<<16)+irq_ptr->irq;
+
+	result=qdio_chsc(chsc_area);
+	if (result) {
+		QDIO_PRINT_WARN("could not set indicators on irq x%x, " \
+				"cc=%i.\n",irq_ptr->irq,result);
+		return -EIO;
+	}
+
+	resp_code=chsc_area->response_block.response_code;
+	if (resp_code!=QDIO_CHSC_RESPONSE_CODE_OK) {
+		QDIO_PRINT_WARN("response upon setting indicators " \
+				"is 0x%x.\n",resp_code);
+		sprintf(dbf_text,"sidR%4x",resp_code);
+		QDIO_DBF_TEXT1(0,trace,dbf_text);
+		QDIO_DBF_TEXT1(0,setup,dbf_text);
+		ptr=&chsc_area->response_block;
+		QDIO_DBF_HEX2(1,setup,&ptr,QDIO_DBF_SETUP_LEN);
+		return -EIO;
+	}
+
+	QDIO_DBF_TEXT2(0,setup,"setscind");
+	QDIO_DBF_HEX2(0,setup,&real_addr_local_summary_bit,
+		      sizeof(unsigned long));
+	QDIO_DBF_HEX2(0,setup,&real_addr_dev_st_chg_ind,sizeof(unsigned long));
+	return 0;
+}
+
+/* chsc_area would have to be locked if called from outside qdio_activate */
+static unsigned int tiqdio_set_delay_target(qdio_irq_t *irq_ptr,
+       					   unsigned long delay_target)
+{
+	unsigned int resp_code;
+	int result;
+	void *ptr;
+	char dbf_text[15];
+
+	if (!irq_ptr->is_thinint_irq) return -ENODEV;
+
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	chsc_area->request_block.command_code1=0x0fe0;
+	chsc_area->request_block.command_code2=0x1027;
+	chsc_area->request_block.operation_data_area.set_chsc_fast.
+		delay_target=delay_target<<16;
+
+	result=qdio_chsc(chsc_area);
+	if (result) {
+		QDIO_PRINT_WARN("could not set delay target on irq x%x, " \
+				"cc=%i. Continuing.\n",irq_ptr->irq,result);
+		return -EIO;
+	}
+
+	resp_code=chsc_area->response_block.response_code;
+	if (resp_code!=QDIO_CHSC_RESPONSE_CODE_OK) {
+		QDIO_PRINT_WARN("response upon setting delay target " \
+				"is 0x%x. Continuing.\n",resp_code);
+		sprintf(dbf_text,"sdtR%4x",resp_code);
+		QDIO_DBF_TEXT1(0,trace,dbf_text);
+		QDIO_DBF_TEXT1(0,setup,dbf_text);
+		ptr=&chsc_area->response_block;
+		QDIO_DBF_HEX2(1,trace,&ptr,QDIO_DBF_TRACE_LEN);
+	}
+	QDIO_DBF_TEXT2(0,trace,"delytrgt");
+	QDIO_DBF_HEX2(0,trace,&delay_target,sizeof(unsigned long));
+	return 0;
+}
+
+int qdio_cleanup(int irq,int how)
+{
+	qdio_irq_t *irq_ptr;
+	int i,result;
+	int do_an_irqrestore=0;
+	unsigned long flags;
+	int timeout;
+	char dbf_text[15]="12345678";
+
+	result=0;
+	sprintf(dbf_text,"qcln%4x",irq);
+	QDIO_DBF_TEXT1(0,trace,dbf_text);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return -ENODEV;
+
+	spin_lock(&irq_ptr->setting_up_lock);
+
+	/* mark all qs as uninteresting */
+	for (i=0;i<irq_ptr->no_input_qs;i++) {
+		atomic_set(&irq_ptr->input_qs[i]->is_in_shutdown,1);
+	}
+	for (i=0;i<irq_ptr->no_output_qs;i++) {
+		atomic_set(&irq_ptr->output_qs[i]->is_in_shutdown,1);
+	}
+
+	tasklet_kill(&tiqdio_tasklet);
+
+	for (i=0;i<irq_ptr->no_input_qs;i++) {
+		qdio_unmark_q(irq_ptr->input_qs[i]);
+		tasklet_kill(&irq_ptr->input_qs[i]->tasklet);
+		if (qdio_wait_for_no_use_count(&irq_ptr->input_qs[i]->
+					       use_count))
+			result=-EINPROGRESS;
+	}
+
+	for (i=0;i<irq_ptr->no_output_qs;i++) {
+		tasklet_kill(&irq_ptr->output_qs[i]->tasklet);
+		if (qdio_wait_for_no_use_count(&irq_ptr->output_qs[i]->
+					       use_count))
+			result=-EINPROGRESS;
+	}
+
+	atomic_set(&irq_ptr->interrupt_has_been_cleaned,0);
+
+	/* cleanup subchannel */
+	s390irq_spin_lock_irqsave(irq,flags);
+	if (how&QDIO_FLAG_CLEANUP_USING_CLEAR) {
+		clear_IO(irq_ptr->irq,QDIO_DOING_CLEANUP,0);
+		timeout=QDIO_CLEANUP_CLEAR_TIMEOUT;
+	} else if (how&QDIO_FLAG_CLEANUP_USING_HALT) {
+		halt_IO(irq_ptr->irq,QDIO_DOING_CLEANUP,0);
+		timeout=QDIO_CLEANUP_HALT_TIMEOUT;
+	} else { /* default behaviour */
+		halt_IO(irq_ptr->irq,QDIO_DOING_CLEANUP,0);
+		timeout=QDIO_CLEANUP_HALT_TIMEOUT;
+	}
+	s390irq_spin_unlock_irqrestore(irq,flags);
+
+	if (qdio_sleepon(&irq_ptr->interrupt_has_been_cleaned,
+			 timeout,irq_ptr)==-ETIME) {
+		s390irq_spin_lock_irqsave(irq,flags);
+		QDIO_PRINT_INFO("Did not get interrupt on %s_IO, " \
+				"irq=0x%x.\n",
+				(how==QDIO_FLAG_CLEANUP_USING_CLEAR)?
+				"clear":"halt",irq);
+		do_an_irqrestore=1;
+	}
+
+	if (irq_ptr->is_thinint_irq) {
+		qdio_put_indicator((__u32*)irq_ptr->dev_st_chg_ind);
+		tiqdio_set_subchannel_ind(irq_ptr,1); /* reset adapter
+							interrupt indicators */
+	}
+
+	/* exchange int handlers, if necessary */
+	if ((void*)ioinfo[irq]->irq_desc.handler
+	    ==(void*)qdio_handler) {
+		ioinfo[irq]->irq_desc.handler=
+			irq_ptr->original_int_handler;
+/*		irq_ptr->original_int_handler=NULL; */
+	}
+
+	qdio_set_state(irq_ptr,QDIO_IRQ_STATE_INACTIVE);
+
+	if (do_an_irqrestore)
+		s390irq_spin_unlock_irqrestore(irq,flags);
+
+	spin_unlock(&irq_ptr->setting_up_lock);
+
+	qdio_remove_irq_ptr(irq_ptr);
+	qdio_release_irq_memory(irq_ptr);
+
+	QDIO_DBF_TEXT3(0,setup,"MOD_DEC_");
+	MOD_DEC_USE_COUNT;
+
+	return result;
+}
+
+unsigned long qdio_get_characteristics(int irq)
+{
+	qdio_irq_t *irq_ptr;
+	int result=0;
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return -ENODEV;
+
+	if (irq_ptr->state!=QDIO_IRQ_STATE_ACTIVE) {
+		return -EBUSY;
+	}
+
+	if (irq_ptr->state==QDIO_IRQ_STATE_INACTIVE) {
+		result|=QDIO_STATE_INACTIVE;
+	} else if (irq_ptr->state==QDIO_IRQ_STATE_ESTABLISHED) {
+		result|=QDIO_STATE_ESTABLISHED;
+	} else if (irq_ptr->state==QDIO_IRQ_STATE_ACTIVE) {
+		result|=QDIO_STATE_ACTIVE;
+	} else if (irq_ptr->state==QDIO_IRQ_STATE_STOPPED) {
+		result|=QDIO_STATE_STOPPED;
+	}
+
+	if (irq_ptr->hydra_gives_outbound_pcis)
+		result|=QDIO_STATE_MUST_USE_OUTB_PCI;
+
+	return result;
+}
+
+int qdio_initialize(qdio_initialize_t *init_data)
+{
+	int i,ciw_cnt;
+	unsigned long saveflags;
+	qdio_irq_t *irq_ptr=NULL;
+	int result,result2;
+	int found;
+	unsigned long flags;
+	char dbf_text[20]; /* if a printf would print out more than 8 chars */
+
+	down_interruptible(&init_sema);
+
+	sprintf(dbf_text,"qini%4x",init_data->irq);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	QDIO_DBF_TEXT0(0,trace,dbf_text);
+	sprintf(dbf_text,"qfmt:%x",init_data->q_format);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	QDIO_DBF_TEXT0(0,setup,init_data->adapter_name);
+	QDIO_DBF_HEX0(0,setup,init_data->adapter_name,8);
+	sprintf(dbf_text,"qpff%4x",init_data->qib_param_field_format);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	QDIO_DBF_HEX0(0,setup,&init_data->qib_param_field,sizeof(char*));
+	QDIO_DBF_HEX0(0,setup,&init_data->input_slib_elements,sizeof(long*));
+	QDIO_DBF_HEX0(0,setup,&init_data->output_slib_elements,sizeof(long*));
+	sprintf(dbf_text,"miit%4x",init_data->min_input_threshold);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	sprintf(dbf_text,"mait%4x",init_data->min_input_threshold);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	sprintf(dbf_text,"miot%4x",init_data->max_output_threshold);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	sprintf(dbf_text,"maot%4x",init_data->max_output_threshold);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	sprintf(dbf_text,"niq:%4x",init_data->no_input_qs);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	sprintf(dbf_text,"noq:%4x",init_data->no_output_qs);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+	QDIO_DBF_HEX0(0,setup,&init_data->input_handler,sizeof(void*));
+	QDIO_DBF_HEX0(0,setup,&init_data->output_handler,sizeof(void*));
+	QDIO_DBF_HEX0(0,setup,&init_data->int_parm,sizeof(long));
+	QDIO_DBF_HEX0(0,setup,&init_data->flags,sizeof(long));
+	QDIO_DBF_HEX0(0,setup,&init_data->input_sbal_addr_array,sizeof(void*));
+	QDIO_DBF_HEX0(0,setup,&init_data->output_sbal_addr_array,sizeof(void*));
+	flags=init_data->flags;
+
+	/* sanity checks */
+	if (qdio_get_irq_ptr(init_data->irq)) {
+		result=-EBUSY;
+		goto out;
+	}
+
+	if (ioinfo[init_data->irq]==INVALID_STORAGE_AREA) {
+		result=-ENODEV;
+		goto out;
+	}
+
+	if (!ioinfo[init_data->irq]) {
+		QDIO_PRINT_WARN("ioinfo[%i] is NULL!\n",init_data->irq);
+		result=-ENODEV;
+		goto out;
+	}
+
+#define DEVSTAT_FLAG_IRQ_QDIO ~0UL
+	if (!(ioinfo[init_data->irq]->devstat.flag&DEVSTAT_FLAG_IRQ_QDIO)) {
+		QDIO_PRINT_WARN("ioinfo[%i]->devstat.flag=0x%08x\n",
+				init_data->irq,
+				ioinfo[init_data->irq]->devstat.flag);
+		result=-ENODEV;
+		goto out;
+	}
+
+	if ( (init_data->no_input_qs>QDIO_MAX_QUEUES_PER_IRQ) ||
+	     (init_data->no_output_qs>QDIO_MAX_QUEUES_PER_IRQ) ||
+	     ((init_data->no_input_qs) && (!init_data->input_handler)) ||
+	     ((init_data->no_output_qs) && (!init_data->output_handler)) ) {
+		result=-EINVAL;
+		goto out;
+	}
+
+	if ( (init_data->flags&QDIO_INBOUND_0COPY_SBALS)&&
+	     (!init_data->input_sbal_addr_array) ) {
+		result=-EINVAL;
+		goto out;
+	}
+	if ( (init_data->flags&QDIO_OUTBOUND_0COPY_SBALS)&&
+	     (!init_data->output_sbal_addr_array) ) {
+		result=-EINVAL;
+		goto out;
+	}
+
+	/* create irq */
+	irq_ptr=kmalloc(sizeof(qdio_irq_t),GFP_DMA);
+
+	QDIO_DBF_TEXT0(0,setup,"irq_ptr:");
+	QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*));
+
+	if (!irq_ptr) {
+		QDIO_PRINT_ERR("kmalloc of irq_ptr failed!\n");
+		result=-ENOMEM;
+		goto out;
+	}
+
+	memset(irq_ptr,0,sizeof(qdio_irq_t)); /* wipes qib.ac,
+						 required by ar7063 */
+
+	irq_ptr->qdr=kmalloc(sizeof(qdr_t),GFP_DMA);
+  	if (!(irq_ptr->qdr)) {
+   		kfree(irq_ptr->qdr);
+   		kfree(irq_ptr);
+    		QDIO_PRINT_ERR("kmalloc of irq_ptr->qdr failed!\n");
+     		result=-ENOMEM;
+      		goto out;
+       	}
+	memset(irq_ptr->qdr,0,sizeof(qdr_t));
+	QDIO_DBF_TEXT0(0,setup,"qdr:");
+	QDIO_DBF_HEX0(0,setup,&irq_ptr->qdr,sizeof(void*));
+
+	init_waitqueue_head(&irq_ptr->wait_q);
+
+	irq_ptr->int_parm=init_data->int_parm;
+
+	irq_ptr->irq=init_data->irq;
+	irq_ptr->no_input_qs=init_data->no_input_qs;
+	irq_ptr->no_output_qs=init_data->no_output_qs;
+
+	if (init_data->q_format==QDIO_IQDIO_QFMT) {
+		irq_ptr->is_iqdio_irq=1;
+		irq_ptr->is_thinint_irq=1;
+	} else {
+		irq_ptr->is_iqdio_irq=0;
+		irq_ptr->is_thinint_irq=hydra_thinints;
+	}
+	sprintf(dbf_text,"is_i_t%1x%1x",
+		irq_ptr->is_iqdio_irq,irq_ptr->is_thinint_irq);
+	QDIO_DBF_TEXT2(0,setup,dbf_text);
+
+	if (irq_ptr->is_thinint_irq) {
+		irq_ptr->dev_st_chg_ind=qdio_get_indicator();
+		QDIO_DBF_HEX1(0,setup,&irq_ptr->dev_st_chg_ind,sizeof(void*));
+		if (!irq_ptr->dev_st_chg_ind) {
+			QDIO_PRINT_WARN("no indicator location available " \
+					"for irq 0x%x\n",irq_ptr->irq);
+			qdio_release_irq_memory(irq_ptr);
+			result=-ENOBUFS;
+			goto out;
+		}
+	}
+
+	if (flags&QDIO_PFIX)
+		irq_ptr->other_flags |= QDIO_PFIX;
+
+	/* defaults */
+	irq_ptr->commands.eq=DEFAULT_ESTABLISH_QS_CMD;
+	irq_ptr->commands.count_eq=DEFAULT_ESTABLISH_QS_COUNT;
+	irq_ptr->commands.aq=DEFAULT_ACTIVATE_QS_CMD;
+	irq_ptr->commands.count_aq=DEFAULT_ACTIVATE_QS_COUNT;
+
+	if (!qdio_alloc_qs(irq_ptr,init_data->no_input_qs,
+			   init_data->no_output_qs,
+			   init_data->input_handler,
+			   init_data->output_handler,init_data->int_parm,
+			   init_data->q_format,init_data->flags,
+			   init_data->input_sbal_addr_array,
+			   init_data->output_sbal_addr_array)) {
+		qdio_release_irq_memory(irq_ptr);
+		result=-ENOMEM;
+		goto out;
+	}
+
+	qdio_set_state(irq_ptr,QDIO_IRQ_STATE_INACTIVE);
+
+	irq_ptr->setting_up_lock=SPIN_LOCK_UNLOCKED;
+
+	MOD_INC_USE_COUNT;
+	QDIO_DBF_TEXT3(0,setup,"MOD_INC_");
+
+	spin_lock(&irq_ptr->setting_up_lock);
+
+	qdio_insert_irq_ptr(irq_ptr);
+
+	qdio_fill_thresholds(irq_ptr,init_data->no_input_qs,
+			     init_data->no_output_qs,
+			     init_data->min_input_threshold,
+			     init_data->max_input_threshold,
+			     init_data->min_output_threshold,
+			     init_data->max_output_threshold);
+
+	/* fill in qdr */
+	irq_ptr->qdr->qfmt=init_data->q_format;
+	irq_ptr->qdr->iqdcnt=init_data->no_input_qs;
+	irq_ptr->qdr->oqdcnt=init_data->no_output_qs;
+	irq_ptr->qdr->iqdsz=sizeof(qdesfmt0_t)/4; /* size in words */
+	irq_ptr->qdr->oqdsz=sizeof(qdesfmt0_t)/4;
+
+	irq_ptr->qdr->qiba=QDIO_PFIX_GET_ADDR(&irq_ptr->qib);
+	irq_ptr->qdr->qkey=QDIO_STORAGE_ACC_KEY;
+
+	/* fill in qib */
+	irq_ptr->qib.qfmt=init_data->q_format;
+	if (init_data->no_input_qs) irq_ptr->qib.isliba=
+				 QDIO_PFIX_GET_ADDR(irq_ptr->input_qs[0]->slib);
+	if (init_data->no_output_qs) irq_ptr->qib.osliba=(unsigned long)
+				  QDIO_PFIX_GET_ADDR(irq_ptr->output_qs[0]->slib);
+	memcpy(irq_ptr->qib.ebcnam,init_data->adapter_name,8);
+
+	qdio_set_impl_params(irq_ptr,init_data->qib_param_field_format,
+			     init_data->qib_param_field,
+			     init_data->no_input_qs,
+			     init_data->no_output_qs,
+			     init_data->input_slib_elements,
+			     init_data->output_slib_elements);
+
+	/* first input descriptors, then output descriptors */
+	for (i=0;i<init_data->no_input_qs;i++) {
+		irq_ptr->input_qs[i]->is_iqdio_q=
+			(init_data->q_format==QDIO_IQDIO_QFMT)?1:0;
+		irq_ptr->input_qs[i]->is_thinint_q=irq_ptr->is_thinint_irq;
+
+		irq_ptr->qdr->qdf0[i].sliba=
+			QDIO_PFIX_GET_ADDR(irq_ptr->input_qs[i]->slib);
+
+		irq_ptr->qdr->qdf0[i].sla=
+			QDIO_PFIX_GET_ADDR(irq_ptr->input_qs[i]->sl);
+
+		irq_ptr->qdr->qdf0[i].slsba=
+			QDIO_PFIX_GET_ADDR
+			((void *)&irq_ptr->input_qs[i]->slsb.acc.val[0]);
+
+		irq_ptr->qdr->qdf0[i].akey=QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i].bkey=QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i].ckey=QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i].dkey=QDIO_STORAGE_ACC_KEY;
+	}
+
+	for (i=0;i<init_data->no_output_qs;i++) {
+		irq_ptr->output_qs[i]->is_iqdio_q=
+			(init_data->q_format==QDIO_IQDIO_QFMT)?1:0;
+		irq_ptr->output_qs[i]->is_thinint_q=irq_ptr->is_thinint_irq;
+
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].sliba=
+			QDIO_PFIX_GET_ADDR(irq_ptr->output_qs[i]->slib);
+
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].sla=
+			QDIO_PFIX_GET_ADDR(irq_ptr->output_qs[i]->sl);
+
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].slsba=
+			QDIO_PFIX_GET_ADDR
+			((void *)&irq_ptr->output_qs[i]->slsb.acc.val[0]);
+
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].akey=
+			QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].bkey=
+			QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].ckey=
+			QDIO_STORAGE_ACC_KEY;
+		irq_ptr->qdr->qdf0[i+init_data->no_input_qs].dkey=
+			QDIO_STORAGE_ACC_KEY;
+	}
+	/* qdr, qib, sls, slsbs, slibs, sbales filled. */
+
+	s390irq_spin_lock_irqsave(irq_ptr->irq,saveflags);
+	/* keep track of original int handler */
+	irq_ptr->original_int_handler=ioinfo[irq_ptr->irq]->irq_desc.handler;
+
+	/* insert qdio int handler */
+	ioinfo[irq_ptr->irq]->irq_desc.handler=(void*)qdio_handler;
+
+	s390irq_spin_unlock_irqrestore(irq_ptr->irq,saveflags);
+
+#define TAKEOVER_CIW(x) irq_ptr->commands.x=ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].cmd; irq_ptr->commands.count_##x=ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].count
+	/* get qdio commands */
+	found=0;
+	for (ciw_cnt=0;ciw_cnt<MAX_CIWS;ciw_cnt++) {
+		switch (ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].ct) {
+		case CIW_TYPE_RCD: TAKEOVER_CIW(rcd); break;
+		case CIW_TYPE_SII: TAKEOVER_CIW(sii); break;
+		case CIW_TYPE_RNI: TAKEOVER_CIW(rni); break;
+		case CIW_TYPE_EQUEUE: TAKEOVER_CIW(eq); found++; break;
+		case CIW_TYPE_AQUEUE: TAKEOVER_CIW(aq); found++; break;
+		}
+		if ( (ciw_cnt>0) &&
+		     (ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].ct==0) &&
+		     (ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].cmd==0) &&
+		     (ioinfo[irq_ptr->irq]->senseid.ciw[ciw_cnt].count) )
+			break;
+	}
+	if (found<2) {
+		QDIO_DBF_TEXT2(1,setup,"no ciws");
+		QDIO_PRINT_INFO("No CIWs found for QDIO commands. Trying to " \
+				"use defaults.\n");
+	}
+
+	/* the thinint CHSC stuff */
+	if (irq_ptr->is_thinint_irq) {
+/*		iqdio_enable_adapter_int_facility(irq_ptr);*/
+
+		if (tiqdio_check_chsc_availability()) {
+			QDIO_PRINT_ERR("Not all CHSCs supported. " \
+				       "Continuing.\n");
+		}
+		result=tiqdio_set_subchannel_ind(irq_ptr,0);
+		if (result) {
+			spin_unlock(&irq_ptr->setting_up_lock);
+			qdio_cleanup(irq_ptr->irq,
+				     QDIO_FLAG_CLEANUP_USING_CLEAR);
+			goto out2;
+		}
+		tiqdio_set_delay_target(irq_ptr,TIQDIO_DELAY_TARGET);
+	}
+
+	/* establish q */
+	irq_ptr->ccw.cmd_code=irq_ptr->commands.eq;
+	irq_ptr->ccw.flags=CCW_FLAG_SLI;
+	irq_ptr->ccw.count=irq_ptr->commands.count_eq;
+	irq_ptr->ccw.cda=QDIO_GET_32BIT_ADDR(QDIO_PFIX_GET_ADDR(irq_ptr->qdr));
+
+	s390irq_spin_lock_irqsave(irq_ptr->irq,saveflags);
+	atomic_set(&irq_ptr->interrupt_has_arrived,0);
+
+	result=do_IO(irq_ptr->irq,&irq_ptr->ccw,QDIO_DOING_ESTABLISH,0,
+		     ((irq_ptr->other_flags&QDIO_PFIX)?DOIO_USE_DIAG98:0));
+	if (result) {
+		result2=do_IO(irq_ptr->irq,&irq_ptr->ccw,
+			      QDIO_DOING_ESTABLISH,0,
+			      ((irq_ptr->other_flags&QDIO_PFIX)?
+			       DOIO_USE_DIAG98:0));
+		sprintf(dbf_text,"eq:io%4x",result);
+		QDIO_DBF_TEXT2(1,setup,dbf_text);
+		if (result2) {
+			sprintf(dbf_text,"eq:io%4x",result);
+			QDIO_DBF_TEXT2(1,setup,dbf_text);
+		}
+		QDIO_PRINT_WARN("establish queues on irq %04x: do_IO " \
+                           "returned %i, next try returned %i\n",
+                           irq_ptr->irq,result,result2);
+		result=result2;
+	}
+
+	s390irq_spin_unlock_irqrestore(irq_ptr->irq,saveflags);
+
+	if (result) {
+		spin_unlock(&irq_ptr->setting_up_lock);
+		qdio_cleanup(irq_ptr->irq,QDIO_FLAG_CLEANUP_USING_CLEAR);
+		goto out2;
+	}
+
+	result=qdio_sleepon(&irq_ptr->interrupt_has_arrived,
+			    QDIO_ESTABLISH_TIMEOUT,irq_ptr);
+
+	if (result) {
+		QDIO_PRINT_ERR("establish queues on irq %04x: timed out\n",
+			   irq_ptr->irq);
+		QDIO_DBF_TEXT2(1,setup,"eq:timeo");
+		spin_unlock(&irq_ptr->setting_up_lock);
+		qdio_cleanup(irq_ptr->irq,QDIO_FLAG_CLEANUP_USING_CLEAR);
+		goto out2;
+	}
+
+	if (!(irq_ptr->io_result_dstat & DEV_STAT_DEV_END)) {
+		QDIO_DBF_TEXT2(1,setup,"eq:no de");
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_dstat,
+			      sizeof(irq_ptr->io_result_dstat));
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_cstat,
+			      sizeof(irq_ptr->io_result_cstat));
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_flags,
+			      sizeof(irq_ptr->io_result_flags));
+		QDIO_PRINT_ERR("establish queues on irq %04x: didn't get " \
+			       "device end: dstat=%02x, cstat=%02x, " \
+			       "flags=%02x\n",
+			       irq_ptr->irq,irq_ptr->io_result_dstat,
+			       irq_ptr->io_result_cstat,
+			       irq_ptr->io_result_flags);
+		spin_unlock(&irq_ptr->setting_up_lock);
+		qdio_cleanup(irq_ptr->irq,QDIO_FLAG_CLEANUP_USING_CLEAR);
+		result=-EIO;
+		goto out2;
+	}
+
+	if (irq_ptr->io_result_dstat & ~(DEV_STAT_CHN_END|DEV_STAT_DEV_END)) {
+		QDIO_DBF_TEXT2(1,setup,"eq:badio");
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_dstat,
+			      sizeof(irq_ptr->io_result_dstat));
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_cstat,
+			      sizeof(irq_ptr->io_result_cstat));
+		QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_flags,
+			      sizeof(irq_ptr->io_result_flags));
+		QDIO_PRINT_ERR("establish queues on irq %04x: got " \
+			       "the following devstat: dstat=%02x, " \
+			       "cstat=%02x, flags=%02x\n",
+			       irq_ptr->irq,irq_ptr->io_result_dstat,
+			       irq_ptr->io_result_cstat,
+			       irq_ptr->io_result_flags);
+		result=-EIO;
+		goto out;
+	}
+
+	if (MACHINE_IS_VM)
+		irq_ptr->qdioac=qdio_check_siga_needs(irq_ptr->irq);
+	else { 
+                irq_ptr->qdioac=CHSC_FLAG_SIGA_INPUT_NECESSARY
+                        | CHSC_FLAG_SIGA_OUTPUT_NECESSARY;
+        }
+	sprintf(dbf_text,"qdioac%2x",irq_ptr->qdioac);
+	QDIO_DBF_TEXT2(0,setup,dbf_text);
+
+	sprintf(dbf_text,"qib ac%2x",irq_ptr->qib.ac);
+	QDIO_DBF_TEXT2(0,setup,dbf_text);
+
+	if (init_data->flags&QDIO_USE_OUTBOUND_PCIS) {
+		irq_ptr->hydra_gives_outbound_pcis=
+			irq_ptr->qib.ac&QIB_AC_OUTBOUND_PCI_SUPPORTED;
+	} else {
+		irq_ptr->hydra_gives_outbound_pcis=0;
+	}
+	irq_ptr->sync_done_on_outb_pcis=
+		irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS;
+
+	for (i=0;i<init_data->no_input_qs;i++) {
+		irq_ptr->input_qs[i]->siga_sync=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_NECESSARY;
+		irq_ptr->input_qs[i]->siga_in=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_INPUT_NECESSARY;
+		irq_ptr->input_qs[i]->siga_out=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_OUTPUT_NECESSARY;
+		irq_ptr->input_qs[i]->siga_sync_done_on_thinints=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS;
+		irq_ptr->input_qs[i]->hydra_gives_outbound_pcis=
+			irq_ptr->hydra_gives_outbound_pcis;
+		irq_ptr->input_qs[i]->siga_sync_done_on_outb_tis=
+			( (irq_ptr->qdioac&
+			   (CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS|
+			    CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS))==
+			  (CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS|
+			   CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS) );
+	}
+
+	for (i=0;i<init_data->no_output_qs;i++) {
+		irq_ptr->output_qs[i]->siga_sync=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_NECESSARY;
+		irq_ptr->output_qs[i]->siga_in=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_INPUT_NECESSARY;
+		irq_ptr->output_qs[i]->siga_out=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_OUTPUT_NECESSARY;
+		irq_ptr->output_qs[i]->siga_sync_done_on_thinints=
+			irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS;
+		irq_ptr->output_qs[i]->hydra_gives_outbound_pcis=
+			irq_ptr->hydra_gives_outbound_pcis;
+		irq_ptr->output_qs[i]->siga_sync_done_on_outb_tis=
+			( (irq_ptr->qdioac&
+			   (CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS|
+			    CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS))==
+			  (CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS|
+			   CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS) );
+	}
+
+	if (init_data->qib_param_field)
+		memcpy(init_data->qib_param_field,irq_ptr->qib.parm,
+		       QDIO_MAX_BUFFERS_PER_Q);
+
+	qdio_set_state(irq_ptr,QDIO_IRQ_STATE_ESTABLISHED);
+
+ out:
+	if (irq_ptr) {
+		spin_unlock(&irq_ptr->setting_up_lock);
+	}
+ out2:
+	up(&init_sema);
+
+	return result;
+}
+
+int qdio_activate(int irq,int flags)
+{
+	qdio_irq_t *irq_ptr;
+	int i,result=0,result2;
+	unsigned long saveflags;
+	char dbf_text[20]; /* see qdio_initialize */
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return -ENODEV;
+
+	spin_lock(&irq_ptr->setting_up_lock);
+	if (irq_ptr->state==QDIO_IRQ_STATE_INACTIVE) {
+		result=-EBUSY;
+		goto out;
+	}
+
+	sprintf(dbf_text,"qact%4x",irq);
+	QDIO_DBF_TEXT2(0,setup,dbf_text);
+	QDIO_DBF_TEXT2(0,trace,dbf_text);
+
+	/* activate q */
+	irq_ptr->ccw.cmd_code=irq_ptr->commands.aq;
+	irq_ptr->ccw.flags=CCW_FLAG_SLI;
+	irq_ptr->ccw.count=irq_ptr->commands.count_aq;
+	irq_ptr->ccw.cda=QDIO_GET_32BIT_ADDR(0); /* no QDIO_PFIX_GET_ADDR here,
+						    not needed */
+
+	s390irq_spin_lock_irqsave(irq_ptr->irq,saveflags);
+	atomic_set(&irq_ptr->interrupt_has_arrived,0);
+
+	result=do_IO(irq_ptr->irq,&irq_ptr->ccw,QDIO_DOING_ACTIVATE,
+		     0,DOIO_REPORT_ALL|DOIO_DENY_PREFETCH|
+		     ((irq_ptr->other_flags&QDIO_PFIX)?DOIO_USE_DIAG98:0));
+	if (result) {
+		result2=do_IO(irq_ptr->irq,&irq_ptr->ccw,
+			      QDIO_DOING_ACTIVATE,0,DOIO_REPORT_ALL|
+			      ((irq_ptr->other_flags&QDIO_PFIX) ? 
+			       DOIO_USE_DIAG98:0));
+		sprintf(dbf_text,"aq:io%4x",result);
+		QDIO_DBF_TEXT2(1,setup,dbf_text);
+		if (result2) {
+			sprintf(dbf_text,"aq:io%4x",result);
+			QDIO_DBF_TEXT2(1,setup,dbf_text);
+		}
+		QDIO_PRINT_WARN("activate queues on irq %04x: do_IO " \
+                           "returned %i, next try returned %i\n",
+                           irq_ptr->irq,result,result2);
+		result=result2;
+	}
+
+	s390irq_spin_unlock_irqrestore(irq_ptr->irq,saveflags);
+	if (result) {
+		goto out;
+	}
+
+	if (!(flags&QDIO_FLAG_UNDER_INTERRUPT)) {
+		result=qdio_sleepon(&irq_ptr->interrupt_has_arrived,
+				    QDIO_ACTIVATE_TIMEOUT,irq_ptr);
+
+		if (result!=-ETIME) {
+			QDIO_DBF_TEXT2(1,setup,"aq:badio");
+			QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_dstat,
+				      sizeof(irq_ptr->io_result_dstat));
+			QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_cstat,
+				      sizeof(irq_ptr->io_result_cstat));
+			QDIO_DBF_HEX2(0,setup,&irq_ptr->io_result_flags,
+				      sizeof(irq_ptr->io_result_flags));
+			QDIO_PRINT_ERR("activate queues on irq %04x: got " \
+				       "the following devstat: dstat=%02x, " \
+				       "cstat=%02x, flags=%02x\n",
+				       irq_ptr->irq,irq_ptr->io_result_dstat,
+				       irq_ptr->io_result_cstat,
+				       irq_ptr->io_result_flags);
+			result=-EIO;
+			goto out;
+		} else { /* result is -ETIME, but timeout is ok for us */
+			result=0;
+		}
+	} else result=0;
+
+	for (i=0;i<irq_ptr->no_input_qs;i++) {
+		if (irq_ptr->is_thinint_irq) {
+			/* that way we know, that, if we will
+			 * get interrupted
+			 * by tiqdio_inbound_processing,
+			 * qdio_unmark_q will
+			 * not be called */
+			qdio_reserve_q(irq_ptr->input_qs[i]);
+			qdio_mark_tiq(irq_ptr->input_qs[i]);
+			qdio_release_q(irq_ptr->input_qs[i]);
+		}
+	}
+
+	if (flags&QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT) {
+		for (i=0;i<irq_ptr->no_input_qs;i++) {
+			irq_ptr->input_qs[i]->is_input_q|=
+				QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT;
+		}
+	}
+
+	qdio_wait_nonbusy(QDIO_ACTIVATE_DELAY);
+
+	qdio_set_state(irq_ptr,QDIO_IRQ_STATE_ACTIVE);
+
+ out:
+	spin_unlock(&irq_ptr->setting_up_lock);
+
+	return result;
+}
+
+/* buffers filled forwards again to make Rick happy */
+static void qdio_do_qdio_fill_input(qdio_q_t *q,unsigned int qidx,
+				    unsigned int count,qdio_buffer_t *buffers)
+{
+	for (;;) {
+		if (!q->is_0copy_sbals_q) {
+			memcpy((void*)q->sbal[qidx],buffers,SBAL_SIZE);
+			q->qdio_buffers[qidx]=buffers;
+			buffers++;
+		}
+		set_slsb(&q->slsb.acc.val[qidx],SLSB_CU_INPUT_EMPTY);
+		count--;
+		if (!count) break;
+		qidx=(qidx+1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+	}
+
+	/* not necessary, as the queues are synced during the SIGA read
+	SYNC_MEMORY;*/
+}
+
+static inline void qdio_do_qdio_fill_output(qdio_q_t *q,unsigned int qidx,
+					    unsigned int count,
+					    qdio_buffer_t *buffers)
+{
+	for (;;) {
+		if (!q->is_0copy_sbals_q) {
+			memcpy((void*)q->sbal[qidx],buffers,SBAL_SIZE);
+			q->qdio_buffers[qidx]=buffers;
+			buffers++;
+		}
+		set_slsb(&q->slsb.acc.val[qidx],SLSB_CU_OUTPUT_PRIMED);
+		count--;
+		if (!count) break;
+		qidx=(qidx+1)&(QDIO_MAX_BUFFERS_PER_Q-1);
+	}
+
+	/* SIGA write will sync the queues
+	SYNC_MEMORY;*/
+}
+
+/* count must be 1 in iqdio */
+int do_QDIO(int irq,unsigned int callflags,unsigned int queue_number,
+	    unsigned int qidx,unsigned int count,qdio_buffer_t *buffers)
+{
+	qdio_q_t *q;
+	qdio_irq_t *irq_ptr;
+	int result;
+	int used_elements;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	char dbf_text[20];
+
+	sprintf(dbf_text,"doQD%04x",irq);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if ( (qidx>QDIO_MAX_BUFFERS_PER_Q) ||
+	     (count>QDIO_MAX_BUFFERS_PER_Q) ||
+	     (queue_number>QDIO_MAX_QUEUES_PER_IRQ) )
+		return -EINVAL;
+
+	if (count==0) return 0;
+
+	irq_ptr=qdio_get_irq_ptr(irq);
+	if (!irq_ptr) return -ENODEV;
+
+#ifdef QDIO_DBF_LIKE_HELL
+	if (callflags&QDIO_FLAG_SYNC_INPUT)
+		QDIO_DBF_HEX3(0,trace,&irq_ptr->input_qs[queue_number],
+			      sizeof(void*));
+	else
+		QDIO_DBF_HEX3(0,trace,&irq_ptr->output_qs[queue_number],
+			      sizeof(void*));
+	sprintf(dbf_text,"flag%04x",callflags);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+	sprintf(dbf_text,"qi%02xct%02x",qidx,count);
+	QDIO_DBF_TEXT3(0,trace,dbf_text);
+	if ( ((callflags&QDIO_FLAG_SYNC_INPUT)&&
+	      (!irq_ptr->input_qs[queue_number]->is_0copy_sbals_q)) ||
+	     ((callflags&QDIO_FLAG_SYNC_OUTPUT)&&
+	      (!irq_ptr->output_qs[queue_number]->is_0copy_sbals_q)) )
+		QDIO_DBF_HEX5(0,sbal,buffers,256);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+	if (irq_ptr->state!=QDIO_IRQ_STATE_ACTIVE) {
+		return -EBUSY;
+	}
+
+	if (callflags&QDIO_FLAG_SYNC_INPUT) {
+		/* This is the inbound handling of queues */
+		q=irq_ptr->input_qs[queue_number];
+
+		used_elements=atomic_return_add(count,
+						&q->number_of_buffers_used);
+
+		qdio_do_qdio_fill_input(q,qidx,count,buffers);
+
+		if ((used_elements+count==QDIO_MAX_BUFFERS_PER_Q)&&
+		    (callflags&QDIO_FLAG_UNDER_INTERRUPT))
+			atomic_swap(&q->polling,0);
+
+		if (!used_elements) if (!(callflags&QDIO_FLAG_DONT_SIGA)) {
+			if (q->siga_in) {
+				result=qdio_siga_input(q);
+				if (result) {
+					if (q->siga_error)
+						q->error_status_flags|=
+							QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR;
+					q->error_status_flags|=
+						QDIO_STATUS_LOOK_FOR_ERROR;
+					q->siga_error=result;
+				}
+			}
+
+			qdio_mark_q(q);
+		}
+	} else if (callflags&QDIO_FLAG_SYNC_OUTPUT) {
+		/* This is the outbound handling of queues */
+#ifdef QDIO_PERFORMANCE_STATS
+		perf_stats.start_time_outbound=NOW;
+#endif /* QDIO_PERFORMANCE_STATS */
+		q=irq_ptr->output_qs[queue_number];
+
+		qdio_do_qdio_fill_output(q,qidx,count,buffers);
+
+		used_elements=atomic_return_add(count,
+						&q->number_of_buffers_used);
+
+		if (!(callflags&QDIO_FLAG_DONT_SIGA)) {
+			if (q->is_iqdio_q) {
+				/* one siga for every sbal */
+				while (count--) {
+					qdio_kick_outbound_q(q);
+				}
+
+				qdio_outbound_processing(q);
+			} else {
+				/* under VM, we do a SIGA sync
+				 * unconditionally */
+				SYNC_MEMORY;
+				else {
+					/* w/o shadow queues (else branch of
+					 * SYNC_MEMORY :-/ ), we try to
+					 * fast-requeue buffers */
+					if (q->slsb.acc.val
+					    [(qidx+QDIO_MAX_BUFFERS_PER_Q-1)
+					    &(QDIO_MAX_BUFFERS_PER_Q-1)]!=
+					    SLSB_CU_OUTPUT_PRIMED) {
+						qdio_kick_outbound_q(q);
+					} else {
+#ifdef QDIO_DBF_LIKE_HELL
+						QDIO_DBF_TEXT3(0,trace,
+							       "fast-req");
+#endif /* QDIO_DBF_LIKE_HELL */
+#ifdef QDIO_PERFORMANCE_STATS
+						perf_stats.fast_reqs++;
+#endif /* QDIO_PERFORMANCE_STATS */
+					}
+				}
+				/* only marking the q could take
+				 * too long, the upper layer
+				 * module could do a lot of
+				 * traffic in that time */
+				qdio_outbound_processing(q);
+			}
+		}
+
+#ifdef QDIO_PERFORMANCE_STATS
+		perf_stats.outbound_time+=NOW-perf_stats.start_time_outbound;
+		perf_stats.outbound_cnt++;
+#endif /* QDIO_PERFORMANCE_STATS */
+	} else {
+		QDIO_DBF_TEXT3(1,trace,"doQD:inv");
+		return -EINVAL;
+	}
+	return 0;
+}
+
+#ifdef QDIO_PERFORMANCE_STATS
+static int qdio_perf_procfile_read(char *buffer,char **buffer_location,
+       				   off_t offset,int buffer_length,int *eof,
+				   void *data)
+{
+        int c=0,bucket;
+	qdio_irq_t *irq_ptr;
+
+        /* we are always called with buffer_length=4k, so we all
+           deliver on the first read */
+        if (offset>0) return 0;
+
+#define _OUTP_IT(x...) c+=sprintf(buffer+c,x)
+	_OUTP_IT("i_p_nc/c=%lu/%lu\n",i_p_nc,i_p_c);
+	_OUTP_IT("ii_p_nc/c=%lu/%lu\n",ii_p_nc,ii_p_c);
+	_OUTP_IT("o_p_nc/c=%lu/%lu\n",o_p_nc,o_p_c);
+	_OUTP_IT("Number of tasklet runs (total)                  : %u\n",
+		 perf_stats.tl_runs);
+	_OUTP_IT("\n");
+	_OUTP_IT("Number of SIGA sync's issued                    : %u\n",
+		 perf_stats.siga_syncs);
+	_OUTP_IT("Number of SIGA in's issued                      : %u\n",
+		 perf_stats.siga_ins);
+	_OUTP_IT("Number of SIGA out's issued                     : %u\n",
+		 perf_stats.siga_outs);
+	_OUTP_IT("Number of PCI's caught                          : %u\n",
+		 perf_stats.pcis);
+	_OUTP_IT("Number of adapter interrupts caught             : %u\n",
+		 perf_stats.thinints);
+	_OUTP_IT("Number of fast requeues (outg. SBALs w/o SIGA)  : %u\n",
+		 perf_stats.fast_reqs);
+	_OUTP_IT("\n");
+	_OUTP_IT("Total time of all inbound actions (us) incl. UL : %u\n",
+		 perf_stats.inbound_time);
+	_OUTP_IT("Number of inbound transfers                     : %u\n",
+		 perf_stats.inbound_cnt);
+	_OUTP_IT("Total time of all outbound do_QDIOs (us)        : %u\n",
+		 perf_stats.outbound_time);
+	_OUTP_IT("Number of do_QDIOs outbound                     : %u\n",
+		 perf_stats.outbound_cnt);
+	_OUTP_IT("\n");
+
+	for (bucket=0;bucket<QDIO_IRQ_BUCKETS;bucket++) {
+		irq_ptr=first_irq[bucket];
+
+		while (irq_ptr) {
+			_OUTP_IT("Polling time on irq %4x" \
+				 "                        : %u\n",
+				 irq_ptr->irq,irq_ptr->input_qs[0]->
+				 timing.threshold);
+			irq_ptr=irq_ptr->next;
+		}
+	}
+
+        return c;
+}
+
+static struct proc_dir_entry *qdio_perf_proc_file;
+#endif /* QDIO_PERFORMANCE_STATS */
+
+static void qdio_add_procfs_entry(void)
+{
+#ifdef QDIO_PERFORMANCE_STATS
+        proc_perf_file_registration=0;
+	qdio_perf_proc_file=create_proc_entry(QDIO_PERF,
+					      S_IFREG|0444,&proc_root);
+	if (qdio_perf_proc_file) {
+		qdio_perf_proc_file->read_proc=&qdio_perf_procfile_read;
+	} else proc_perf_file_registration=-1;
+
+        if (proc_perf_file_registration)
+                QDIO_PRINT_WARN("was not able to register perf. " \
+				"proc-file (%i).\n",
+				proc_perf_file_registration);
+#endif /* QDIO_PERFORMANCE_STATS */
+}
+#ifdef MODULE
+static void qdio_remove_procfs_entry(void)
+{
+#ifdef QDIO_PERFORMANCE_STATS
+	perf_stats.tl_runs=0;
+
+        if (!proc_perf_file_registration) /* means if it went ok earlier */
+		remove_proc_entry(QDIO_PERF,&proc_root);
+#endif /* QDIO_PERFORMANCE_STATS */
+}
+#endif /* MODULE */
+
+static void tiqdio_register_thinints(void)
+{
+	char dbf_text[20];
+	register_thinint_result=
+		s390_register_adapter_interrupt(&tiqdio_thinint_handler);
+	if (register_thinint_result) {
+		sprintf(dbf_text,"regthn%x",(register_thinint_result&0xff));
+		QDIO_DBF_TEXT0(0,setup,dbf_text);
+		QDIO_PRINT_ERR("failed to register adapter handler " \
+			       "(rc=%i).\nAdapter interrupts might " \
+			       "not work. Continuing.\n",
+			       register_thinint_result);
+	}
+}
+
+#ifdef MODULE
+static void tiqdio_unregister_thinints(void)
+{
+	if (!register_thinint_result)
+		s390_unregister_adapter_interrupt(&tiqdio_thinint_handler);
+}
+#endif /* MODULE */
+
+static int qdio_get_qdio_memory(void)
+{
+	int i;
+	indicator_used[0]=1;
+
+	for (i=1;i<INDICATORS_PER_CACHELINE;i++)
+		indicator_used[i]=0;
+	indicators=(__u32*)kmalloc(sizeof(__u32)*(INDICATORS_PER_CACHELINE),
+				   GFP_KERNEL);
+       	if (!indicators) return -ENOMEM;
+	memset(indicators,0,sizeof(__u32)*(INDICATORS_PER_CACHELINE));
+
+	chsc_area=(qdio_chsc_area_t *)
+		kmalloc(sizeof(qdio_chsc_area_t),GFP_KERNEL);
+	QDIO_DBF_TEXT3(0,trace,"chscarea"); \
+	QDIO_DBF_HEX3(0,trace,&chsc_area,sizeof(void*)); \
+	if (!chsc_area) {
+		/* ahem... let's call it data area */
+		QDIO_PRINT_ERR("not enough memory for data area. Cannot " \
+			       "initialize QDIO.\n");
+		kfree(indicators);
+		return -ENOMEM;
+	}
+	memset(chsc_area,0,sizeof(qdio_chsc_area_t));
+	return 0;
+}
+
+#ifdef MODULE
+static void qdio_release_qdio_memory(void)
+{
+	kfree(chsc_area);
+	if (indicators) kfree(indicators);
+}
+#endif /* MODULE */
+
+int init_module(void); /* we want to use it in init_QDIO */
+
+static void qdio_unregister_dbf_views(void)
+{
+	if (qdio_dbf_setup)
+		debug_unregister(qdio_dbf_setup);
+	if (qdio_dbf_sbal)
+		debug_unregister(qdio_dbf_sbal);
+	if (qdio_dbf_sense)
+		debug_unregister(qdio_dbf_sense);
+	if (qdio_dbf_trace)
+		debug_unregister(qdio_dbf_trace);
+#ifdef QDIO_DBF_LIKE_HELL
+        if (qdio_dbf_slsb_out)
+                debug_unregister(qdio_dbf_slsb_out);
+        if (qdio_dbf_slsb_in)
+                debug_unregister(qdio_dbf_slsb_in);
+#endif /* QDIO_DBF_LIKE_HELL */
+}
+
+/* this is not __initfunc, as it is called from init_module */
+int init_QDIO(void)
+{
+	char dbf_text[20];
+	int res;
+#if defined(MODULE)||defined(QDIO_PERFORMANCE_STATS)
+	void *ptr;
+#endif /* defined(MODULE)||defined(QDIO_PERFORMANCE_STATS) */
+
+	qdio_eyecatcher();
+
+	printk("qdio: loading %s\n",version);
+
+	res=qdio_get_qdio_memory();
+	if (res) return res;
+
+	sema_init(&init_sema,1);
+
+	qdio_dbf_setup=debug_register(QDIO_DBF_SETUP_NAME,
+				      QDIO_DBF_SETUP_INDEX,
+				      QDIO_DBF_SETUP_NR_AREAS,
+				      QDIO_DBF_SETUP_LEN);
+	if (!qdio_dbf_setup) goto oom;
+	debug_register_view(qdio_dbf_setup,&debug_hex_ascii_view);
+	debug_set_level(qdio_dbf_setup,QDIO_DBF_SETUP_LEVEL);
+
+	qdio_dbf_sbal=debug_register(QDIO_DBF_SBAL_NAME,
+				     QDIO_DBF_SBAL_INDEX,
+				     QDIO_DBF_SBAL_NR_AREAS,
+				     QDIO_DBF_SBAL_LEN);
+	if (!qdio_dbf_sbal) goto oom;
+
+	debug_register_view(qdio_dbf_sbal,&debug_hex_ascii_view);
+	debug_set_level(qdio_dbf_sbal,QDIO_DBF_SBAL_LEVEL);
+
+	qdio_dbf_sense=debug_register(QDIO_DBF_SENSE_NAME,
+				      QDIO_DBF_SENSE_INDEX,
+				      QDIO_DBF_SENSE_NR_AREAS,
+				      QDIO_DBF_SENSE_LEN);
+	if (!qdio_dbf_sense) goto oom;
+
+	debug_register_view(qdio_dbf_sense,&debug_hex_ascii_view);
+	debug_set_level(qdio_dbf_sense,QDIO_DBF_SENSE_LEVEL);
+
+	qdio_dbf_trace=debug_register(QDIO_DBF_TRACE_NAME,
+				      QDIO_DBF_TRACE_INDEX,
+				      QDIO_DBF_TRACE_NR_AREAS,
+				      QDIO_DBF_TRACE_LEN);
+	if (!qdio_dbf_trace) goto oom;
+
+	debug_register_view(qdio_dbf_trace,&debug_hex_ascii_view);
+	debug_set_level(qdio_dbf_trace,QDIO_DBF_TRACE_LEVEL);
+
+#ifdef QDIO_DBF_LIKE_HELL
+        qdio_dbf_slsb_out=debug_register(QDIO_DBF_SLSB_OUT_NAME,
+                                         QDIO_DBF_SLSB_OUT_INDEX,
+                                         QDIO_DBF_SLSB_OUT_NR_AREAS,
+                                         QDIO_DBF_SLSB_OUT_LEN);
+        if (!qdio_dbf_slsb_out) goto oom;
+        debug_register_view(qdio_dbf_slsb_out,&debug_hex_ascii_view);
+        debug_set_level(qdio_dbf_slsb_out,QDIO_DBF_SLSB_OUT_LEVEL);
+
+        qdio_dbf_slsb_in=debug_register(QDIO_DBF_SLSB_IN_NAME,
+                                        QDIO_DBF_SLSB_IN_INDEX,
+                                        QDIO_DBF_SLSB_IN_NR_AREAS,
+                                        QDIO_DBF_SLSB_IN_LEN);
+        if (!qdio_dbf_slsb_in) goto oom;
+        debug_register_view(qdio_dbf_slsb_in,&debug_hex_ascii_view);
+        debug_set_level(qdio_dbf_slsb_in,QDIO_DBF_SLSB_IN_LEVEL);
+#endif /* QDIO_DBF_LIKE_HELL */
+
+#ifdef QDIO_PERFORMANCE_STATS
+       	memset((void*)&perf_stats,0,sizeof(perf_stats));
+	QDIO_DBF_TEXT0(0,setup,"perfstat");
+	ptr=&perf_stats;
+	QDIO_DBF_HEX0(0,setup,&ptr,sizeof(void*));
+#endif /* QDIO_PERFORMANCE_STATS */
+
+#ifdef MODULE
+	QDIO_DBF_TEXT0(0,setup,"initmodl");
+	ptr=&init_module;
+	QDIO_DBF_HEX0(0,setup,&ptr,sizeof(void*));
+#endif /* MODULE */
+
+	qdio_add_procfs_entry();
+
+	hydra_thinints=qdio_check_for_hydra_thinints();
+
+	sprintf(dbf_text,"hydrati%1x",hydra_thinints);
+	QDIO_DBF_TEXT0(0,setup,dbf_text);
+
+	tiqdio_register_thinints();
+
+	return 0;
+ oom:
+	QDIO_PRINT_ERR("not enough memory for dbf.\n");
+	qdio_unregister_dbf_views();
+	return -ENOMEM;
+}
+
+#ifdef MODULE
+int init_module(void)
+{
+	return init_QDIO();
+}
+
+void cleanup_module(void)
+{
+	tiqdio_unregister_thinints();
+
+	qdio_remove_procfs_entry();
+
+	qdio_release_qdio_memory();
+
+	qdio_unregister_dbf_views();
+
+  	printk("qdio: %s: module removed\n",version);
+}
+#else /* MODULE */
+static int __init initcall_QDIO(void)
+{
+	        return init_QDIO();
+}
+__initcall(initcall_QDIO);
+#endif /* MODULE */
+
+EXPORT_SYMBOL(qdio_initialize);
+EXPORT_SYMBOL(qdio_activate);
+EXPORT_SYMBOL(do_QDIO);
+EXPORT_SYMBOL(qdio_cleanup);
+EXPORT_SYMBOL(qdio_eyecatcher);
+EXPORT_SYMBOL(qdio_synchronize);
+

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)