Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] dasd: use -EOPNOTSUPP instead of -ENOTSUPP
  [S390] qdio: new qdio driver.
  [S390] cio: Export chsc_error_from_response().
  [S390] vmur: Fix return code handling.
  [S390] Fix stacktrace compile bug.
  [S390] Increase default warning stacksize.
  [S390] dasd: Fix cleanup in dasd_{fba,diag}_check_characteristics().
  [S390] chsc headers userspace cleanup
  [S390] dasd: fix unsolicited SIM handling.
  [S390] zfcpdump: Make SCSI disk dump tool recognize storage holes

32 files changed, 4019 insertions, 4970 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 5dc8f8028d52..eb530b4128ba 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -289,7 +289,7 @@ config WARN_STACK_SIZE
 	int "Maximum frame size considered safe (128-2048)"
 	range 128 2048
 	depends on WARN_STACK
-	default "256"
+	default "2048"
 	help
 	  This allows you to specify the maximum frame size a function may
 	  have without the compiler complaining about it.
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 57571f10270c..8841919ef7e6 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -10,6 +10,7 @@
 #include <linux/sched.h>
 #include <linux/stacktrace.h>
 #include <linux/kallsyms.h>
+#include <linux/module.h>
 
 static unsigned long save_context_stack(struct stack_trace *trace,
 					unsigned long sp,
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index d91df38ee4f7..85fcb4371054 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -333,7 +333,8 @@ dasd_diag_check_device(struct dasd_device *device)
 	if (IS_ERR(block)) {
 		DEV_MESSAGE(KERN_WARNING, device, "%s",
 			    "could not allocate dasd block structure");
-		kfree(device->private);
+		device->private = NULL;
+		kfree(private);
 		return PTR_ERR(block);
 	}
 	device->block = block;
@@ -348,7 +349,8 @@ dasd_diag_check_device(struct dasd_device *device)
 	if (rc) {
 		DEV_MESSAGE(KERN_WARNING, device, "failed to retrieve device "
 			    "information (rc=%d)", rc);
-		return -ENOTSUPP;
+		rc = -EOPNOTSUPP;
+		goto out;
 	}
 
 	/* Figure out position of label block */
@@ -362,7 +364,8 @@ dasd_diag_check_device(struct dasd_device *device)
 	default:
 		DEV_MESSAGE(KERN_WARNING, device, "unsupported device class "
 			    "(class=%d)", private->rdc_data.vdev_class);
-		return -ENOTSUPP;
+		rc = -EOPNOTSUPP;
+		goto out;
 	}
 
 	DBF_DEV_EVENT(DBF_INFO, device,
@@ -379,7 +382,8 @@ dasd_diag_check_device(struct dasd_device *device)
 	if (label == NULL)  {
 		DEV_MESSAGE(KERN_WARNING, device, "%s",
 			    "No memory to allocate initialization request");
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto out;
 	}
 	rc = 0;
 	end_block = 0;
@@ -403,7 +407,7 @@ dasd_diag_check_device(struct dasd_device *device)
 			DEV_MESSAGE(KERN_WARNING, device, "%s",
 				"DIAG call failed");
 			rc = -EOPNOTSUPP;
-			goto out;
+			goto out_label;
 		}
 		mdsk_term_io(device);
 		if (rc == 0)
@@ -413,7 +417,7 @@ dasd_diag_check_device(struct dasd_device *device)
 		DEV_MESSAGE(KERN_WARNING, device, "device access failed "
 			    "(rc=%d)", rc);
 		rc = -EIO;
-		goto out;
+		goto out_label;
 	}
 	/* check for label block */
 	if (memcmp(label->label_id, DASD_DIAG_CMS1,
@@ -439,8 +443,15 @@ dasd_diag_check_device(struct dasd_device *device)
 			    (unsigned long) (block->blocks <<
 				block->s2b_shift) >> 1);
 	}
-out:
+out_label:
 	free_page((long) label);
+out:
+	if (rc) {
+		device->block = NULL;
+		dasd_free_block(block);
+		device->private = NULL;
+		kfree(private);
+	}
 	return rc;
 }
 
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index e0b77210d37a..3590fdb5b2fd 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1418,8 +1418,10 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
 
 
 	/* service information message SIM */
-	if ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE) {
+	if (irb->esw.esw0.erw.cons && (irb->ecw[27] & DASD_SENSE_BIT_0) &&
+	    ((irb->ecw[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)) {
 		dasd_3990_erp_handle_sim(device, irb->ecw);
+		dasd_schedule_device_bh(device);
 		return;
 	}
 
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index aee4656127f7..aa0c533423a5 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -139,7 +139,8 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	if (IS_ERR(block)) {
 		DEV_MESSAGE(KERN_WARNING, device, "%s",
 			    "could not allocate dasd block structure");
-		kfree(device->private);
+		device->private = NULL;
+		kfree(private);
 		return PTR_ERR(block);
 	}
 	device->block = block;
@@ -152,6 +153,10 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		DEV_MESSAGE(KERN_WARNING, device,
 			    "Read device characteristics returned error %d",
 			    rc);
+		device->block = NULL;
+		dasd_free_block(block);
+		device->private = NULL;
+		kfree(private);
 		return rc;
 	}
 
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 0a9f1cccbe58..b0ac44b27127 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -345,7 +345,7 @@ static int get_urd_class(struct urdev *urd)
 	cc = diag210(&ur_diag210);
 	switch (cc) {
 	case 0:
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	case 2:
 		return ur_diag210.vrdcvcla; /* virtual device class */
 	case 3:
@@ -621,7 +621,7 @@ static int verify_device(struct urdev *urd)
 	case DEV_CLASS_UR_I:
 		return verify_uri_device(urd);
 	default:
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 }
 
@@ -654,7 +654,7 @@ static int get_file_reclen(struct urdev *urd)
 	case DEV_CLASS_UR_I:
 		return get_uri_file_reclen(urd);
 	default:
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 }
 
@@ -827,7 +827,7 @@ static int ur_probe(struct ccw_device *cdev)
 		goto fail_remove_attr;
 	}
 	if ((urd->class != DEV_CLASS_UR_I) && (urd->class != DEV_CLASS_UR_O)) {
-		rc = -ENOTSUPP;
+		rc = -EOPNOTSUPP;
 		goto fail_remove_attr;
 	}
 	spin_lock_irq(get_ccwdev_lock(cdev));
@@ -892,7 +892,7 @@ static int ur_set_online(struct ccw_device *cdev)
 	} else if (urd->cdev->id.cu_type == PRINTER_DEVTYPE) {
 		sprintf(node_id, "vmprt-%s", cdev->dev.bus_id);
 	} else {
-		rc = -ENOTSUPP;
+		rc = -EOPNOTSUPP;
 		goto fail_free_cdev;
 	}
 
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 047dd92ae804..7fd84be11931 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -29,6 +29,7 @@
 
 #define TO_USER		0
 #define TO_KERNEL	1
+#define CHUNK_INFO_SIZE	34 /* 2 16-byte char, each followed by blank */
 
 enum arch_id {
 	ARCH_S390	= 0,
@@ -51,6 +52,7 @@ static struct debug_info *zcore_dbf;
 static int hsa_available;
 static struct dentry *zcore_dir;
 static struct dentry *zcore_file;
+static struct dentry *zcore_memmap_file;
 
 /*
  * Copy memory from HSA to kernel or user memory (not reentrant):
@@ -476,6 +478,54 @@ static const struct file_operations zcore_fops = {
 	.release	= zcore_release,
 };
 
+static ssize_t zcore_memmap_read(struct file *filp, char __user *buf,
+				 size_t count, loff_t *ppos)
+{
+	return simple_read_from_buffer(buf, count, ppos, filp->private_data,
+				       MEMORY_CHUNKS * CHUNK_INFO_SIZE);
+}
+
+static int zcore_memmap_open(struct inode *inode, struct file *filp)
+{
+	int i;
+	char *buf;
+	struct mem_chunk *chunk_array;
+
+	chunk_array = kzalloc(MEMORY_CHUNKS * sizeof(struct mem_chunk),
+			      GFP_KERNEL);
+	if (!chunk_array)
+		return -ENOMEM;
+	detect_memory_layout(chunk_array);
+	buf = kzalloc(MEMORY_CHUNKS * CHUNK_INFO_SIZE, GFP_KERNEL);
+	if (!buf) {
+		kfree(chunk_array);
+		return -ENOMEM;
+	}
+	for (i = 0; i < MEMORY_CHUNKS; i++) {
+		sprintf(buf + (i * CHUNK_INFO_SIZE), "%016llx %016llx ",
+			(unsigned long long) chunk_array[i].addr,
+			(unsigned long long) chunk_array[i].size);
+		if (chunk_array[i].size == 0)
+			break;
+	}
+	kfree(chunk_array);
+	filp->private_data = buf;
+	return 0;
+}
+
+static int zcore_memmap_release(struct inode *inode, struct file *filp)
+{
+	kfree(filp->private_data);
+	return 0;
+}
+
+static const struct file_operations zcore_memmap_fops = {
+	.owner		= THIS_MODULE,
+	.read		= zcore_memmap_read,
+	.open		= zcore_memmap_open,
+	.release	= zcore_memmap_release,
+};
+
 
 static void __init set_s390_lc_mask(union save_area *map)
 {
@@ -554,18 +604,44 @@ static int __init check_sdias(void)
 	return 0;
 }
 
-static void __init zcore_header_init(int arch, struct zcore_header *hdr)
+static int __init get_mem_size(unsigned long *mem)
+{
+	int i;
+	struct mem_chunk *chunk_array;
+
+	chunk_array = kzalloc(MEMORY_CHUNKS * sizeof(struct mem_chunk),
+			      GFP_KERNEL);
+	if (!chunk_array)
+		return -ENOMEM;
+	detect_memory_layout(chunk_array);
+	for (i = 0; i < MEMORY_CHUNKS; i++) {
+		if (chunk_array[i].size == 0)
+			break;
+		*mem += chunk_array[i].size;
+	}
+	kfree(chunk_array);
+	return 0;
+}
+
+static int __init zcore_header_init(int arch, struct zcore_header *hdr)
 {
+	int rc;
+	unsigned long memory = 0;
+
 	if (arch == ARCH_S390X)
 		hdr->arch_id = DUMP_ARCH_S390X;
 	else
 		hdr->arch_id = DUMP_ARCH_S390;
-	hdr->mem_size = sys_info.mem_size;
-	hdr->rmem_size = sys_info.mem_size;
+	rc = get_mem_size(&memory);
+	if (rc)
+		return rc;
+	hdr->mem_size = memory;
+	hdr->rmem_size = memory;
 	hdr->mem_end = sys_info.mem_size;
-	hdr->num_pages = sys_info.mem_size / PAGE_SIZE;
+	hdr->num_pages = memory / PAGE_SIZE;
 	hdr->tod = get_clock();
 	get_cpu_id(&hdr->cpu_id);
+	return 0;
 }
 
 static int __init zcore_init(void)
@@ -608,7 +684,9 @@ static int __init zcore_init(void)
 	if (rc)
 		goto fail;
 
-	zcore_header_init(arch, &zcore_header);
+	rc = zcore_header_init(arch, &zcore_header);
+	if (rc)
+		goto fail;
 
 	zcore_dir = debugfs_create_dir("zcore" , NULL);
 	if (!zcore_dir) {
@@ -618,13 +696,22 @@ static int __init zcore_init(void)
 	zcore_file = debugfs_create_file("mem", S_IRUSR, zcore_dir, NULL,
 					 &zcore_fops);
 	if (!zcore_file) {
-		debugfs_remove(zcore_dir);
 		rc = -ENOMEM;
-		goto fail;
+		goto fail_dir;
+	}
+	zcore_memmap_file = debugfs_create_file("memmap", S_IRUSR, zcore_dir,
+						NULL, &zcore_memmap_fops);
+	if (!zcore_memmap_file) {
+		rc = -ENOMEM;
+		goto fail_file;
 	}
 	hsa_available = 1;
 	return 0;
 
+fail_file:
+	debugfs_remove(zcore_file);
+fail_dir:
+	debugfs_remove(zcore_dir);
 fail:
 	diag308(DIAG308_REL_HSA, NULL);
 	return rc;
diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile
index 91e9e3f3073a..bd79bd165396 100644
--- a/drivers/s390/cio/Makefile
+++ b/drivers/s390/cio/Makefile
@@ -9,4 +9,6 @@ ccw_device-objs += device_id.o device_pgid.o device_status.o
 obj-y += ccw_device.o cmf.o
 obj-$(CONFIG_CHSC_SCH) += chsc_sch.o
 obj-$(CONFIG_CCWGROUP) += ccwgroup.o
+
+qdio-objs := qdio_main.o qdio_thinint.o qdio_debug.o qdio_perf.o qdio_setup.o
 obj-$(CONFIG_QDIO) += qdio.o
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 65264a38057d..29826fdd47b8 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -27,7 +27,13 @@
 
 static void *sei_page;
 
-static int chsc_error_from_response(int response)
+/**
+ * chsc_error_from_response() - convert a chsc response to an error
+ * @response: chsc response code
+ *
+ * Returns an appropriate Linux error code for @response.
+ */
+int chsc_error_from_response(int response)
 {
 	switch (response) {
 	case 0x0001:
@@ -45,6 +51,7 @@ static int chsc_error_from_response(int response)
 		return -EIO;
 	}
 }
+EXPORT_SYMBOL_GPL(chsc_error_from_response);
 
 struct chsc_ssd_area {
 	struct chsc_header request;
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index fb6c4d6c45b4..ba59bceace98 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -101,4 +101,6 @@ void chsc_chp_online(struct chp_id chpid);
 void chsc_chp_offline(struct chp_id chpid);
 int chsc_get_channel_measurement_chars(struct channel_path *chp);
 
+int chsc_error_from_response(int response);
+
 #endif
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
deleted file mode 100644
index 2bf36e14b102..000000000000
--- a/drivers/s390/cio/qdio.c
+++ /dev/null
@@ -1,3929 +0,0 @@
-/*
- *
- * linux/drivers/s390/cio/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>
- * 2.6 cio integration by Cornelia Huck <cornelia.huck@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.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/timer.h>
-#include <linux/mempool.h>
-#include <linux/semaphore.h>
-
-#include <asm/ccwdev.h>
-#include <asm/io.h>
-#include <asm/atomic.h>
-#include <asm/timex.h>
-
-#include <asm/debug.h>
-#include <asm/s390_rdev.h>
-#include <asm/qdio.h>
-#include <asm/airq.h>
-
-#include "cio.h"
-#include "css.h"
-#include "device.h"
-#include "qdio.h"
-#include "ioasm.h"
-#include "chsc.h"
-
-/****************** MODULE PARAMETER VARIABLES ********************/
-MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
-MODULE_DESCRIPTION("QDIO base support version 2, " \
-		   "Copyright 2000 IBM Corporation");
-MODULE_LICENSE("GPL");
-
-/******************** HERE WE GO ***********************************/
-
-static const char version[] = "QDIO base support version 2";
-
-static int qdio_performance_stats = 0;
-static int proc_perf_file_registration;
-static struct qdio_perf_stats perf_stats;
-
-static int hydra_thinints;
-static int is_passthrough = 0;
-static int omit_svs;
-
-static int indicator_used[INDICATORS_PER_CACHELINE];
-static __u32 * volatile indicators;
-static __u32 volatile spare_indicator;
-static atomic_t spare_indicator_usecount;
-#define QDIO_MEMPOOL_SCSSC_ELEMENTS 2
-static mempool_t *qdio_mempool_scssc;
-static struct kmem_cache *qdio_q_cache;
-
-static debug_info_t *qdio_dbf_setup;
-static debug_info_t *qdio_dbf_sbal;
-static debug_info_t *qdio_dbf_trace;
-static debug_info_t *qdio_dbf_sense;
-#ifdef CONFIG_QDIO_DEBUG
-static debug_info_t *qdio_dbf_slsb_out;
-static debug_info_t *qdio_dbf_slsb_in;
-#endif /* CONFIG_QDIO_DEBUG */
-
-/* iQDIO stuff: */
-static volatile struct qdio_q *tiq_list=NULL; /* volatile as it could change
-						 during a while loop */
-static DEFINE_SPINLOCK(ttiq_list_lock);
-static void *tiqdio_ind;
-static void tiqdio_tl(unsigned long);
-static DECLARE_TASKLET(tiqdio_tasklet,tiqdio_tl,0);
-
-/* 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;
-}
-
-/***************** SCRUBBER HELPER ROUTINES **********************/
-#ifdef CONFIG_64BIT
-static inline void qdio_perf_stat_inc(atomic64_t *count)
-{
-	if (qdio_performance_stats)
-		atomic64_inc(count);
-}
-
-static inline void qdio_perf_stat_dec(atomic64_t *count)
-{
-	if (qdio_performance_stats)
-		atomic64_dec(count);
-}
-#else /* CONFIG_64BIT */
-static inline void qdio_perf_stat_inc(atomic_t *count)
-{
-	if (qdio_performance_stats)
-		atomic_inc(count);
-}
-
-static inline void qdio_perf_stat_dec(atomic_t *count)
-{
-	if (qdio_performance_stats)
-		atomic_dec(count);
-}
-#endif /* CONFIG_64BIT */
-
-static inline __u64 
-qdio_get_micros(void)
-{
-	return (get_clock() >> 12); /* time>>12 is microseconds */
-}
-
-/* 
- * 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(struct qdio_q *q)
-{
-	return atomic_add_return(1,&q->use_count) - 1;
-}
-
-static inline void 
-qdio_release_q(struct qdio_q *q)
-{
-	atomic_dec(&q->use_count);
-}
-
-/*check ccq  */
-static int
-qdio_check_ccq(struct qdio_q *q, unsigned int ccq)
-{
-	char dbf_text[15];
-
-	if (ccq == 0 || ccq == 32)
-		return 0;
-	if (ccq == 96 || ccq == 97)
-		return 1;
-	/*notify devices immediately*/
-	sprintf(dbf_text,"%d", ccq);
-	QDIO_DBF_TEXT2(1,trace,dbf_text);
-	return -EIO;
-}
-/* EQBS: extract buffer states */
-static int
-qdio_do_eqbs(struct qdio_q *q, unsigned char *state,
-	     unsigned int *start, unsigned int *cnt)
-{
-	struct qdio_irq *irq;
-	unsigned int tmp_cnt, q_no, ccq;
-	int rc ;
-	char dbf_text[15];
-
-	ccq = 0;
-	tmp_cnt = *cnt;
-	irq = (struct qdio_irq*)q->irq_ptr;
-	q_no = q->q_no;
-	if(!q->is_input_q)
-		q_no += irq->no_input_qs;
-again:
-	ccq = do_eqbs(irq->sch_token, state, q_no, start, cnt);
-	rc = qdio_check_ccq(q, ccq);
-	if ((ccq == 96) && (tmp_cnt != *cnt))
-		rc = 0;
-	if (rc == 1) {
-		QDIO_DBF_TEXT5(1,trace,"eqAGAIN");
-		goto again;
-	}
-	if (rc < 0) {
-                QDIO_DBF_TEXT2(1,trace,"eqberr");
-                sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt, *cnt, ccq, q_no);
-                QDIO_DBF_TEXT2(1,trace,dbf_text);
-		q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION|
-				QDIO_STATUS_LOOK_FOR_ERROR,
-				0, 0, 0, -1, -1, q->int_parm);
-		return 0;
-	}
-	return (tmp_cnt - *cnt);
-}
-
-/* SQBS: set buffer states */
-static int
-qdio_do_sqbs(struct qdio_q *q, unsigned char state,
-	     unsigned int *start, unsigned int *cnt)
-{
-	struct qdio_irq *irq;
-	unsigned int tmp_cnt, q_no, ccq;
-	int rc;
-	char dbf_text[15];
-
-	ccq = 0;
-	tmp_cnt = *cnt;
-	irq = (struct qdio_irq*)q->irq_ptr;
-	q_no = q->q_no;
-	if(!q->is_input_q)
-		q_no += irq->no_input_qs;
-again:
-	ccq = do_sqbs(irq->sch_token, state, q_no, start, cnt);
-	rc = qdio_check_ccq(q, ccq);
-	if (rc == 1) {
-		QDIO_DBF_TEXT5(1,trace,"sqAGAIN");
-		goto again;
-	}
-	if (rc < 0) {
-		QDIO_DBF_TEXT3(1,trace,"sqberr");
-		sprintf(dbf_text,"%2x,%2x",tmp_cnt,*cnt);
-		QDIO_DBF_TEXT3(1,trace,dbf_text);
-		sprintf(dbf_text,"%d,%d",ccq,q_no);
-		QDIO_DBF_TEXT3(1,trace,dbf_text);
-		q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION|
-				QDIO_STATUS_LOOK_FOR_ERROR,
-				0, 0, 0, -1, -1, q->int_parm);
-		return 0;
-	}
-	return (tmp_cnt - *cnt);
-}
-
-static inline int
-qdio_set_slsb(struct qdio_q *q, unsigned int *bufno,
-	      unsigned char state, unsigned int *count)
-{
-	volatile char *slsb;
-	struct qdio_irq *irq;
-
-	irq = (struct qdio_irq*)q->irq_ptr;
-	if (!irq->is_qebsm) {
-		slsb = (char *)&q->slsb.acc.val[(*bufno)];
-		xchg(slsb, state);
-		return 1;
-	}
-	return qdio_do_sqbs(q, state, bufno, count);
-}
-
-#ifdef CONFIG_QDIO_DEBUG
-static inline void
-qdio_trace_slsb(struct qdio_q *q)
-{
-	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);
-	}
-}
-#endif
-
-static inline int
-set_slsb(struct qdio_q *q, unsigned int *bufno,
-	 unsigned char state, unsigned int *count)
-{
-	int rc;
-#ifdef CONFIG_QDIO_DEBUG
-	qdio_trace_slsb(q);
-#endif
-	rc = qdio_set_slsb(q, bufno, state, count);
-#ifdef CONFIG_QDIO_DEBUG
-	qdio_trace_slsb(q);
-#endif
-	return rc;
-}
-static inline int 
-qdio_siga_sync(struct qdio_q *q, unsigned int gpr2,
-	       unsigned int gpr3)
-{
-	int cc;
-
-	QDIO_DBF_TEXT4(0,trace,"sigasync");
-	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
-
-	qdio_perf_stat_inc(&perf_stats.siga_syncs);
-
-	cc = do_siga_sync(q->schid, gpr2, gpr3);
-	if (cc)
-		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
-
-	return cc;
-}
-
-static inline int
-qdio_siga_sync_q(struct qdio_q *q)
-{
-	if (q->is_input_q)
-		return qdio_siga_sync(q, 0, q->mask);
-	return qdio_siga_sync(q, q->mask, 0);
-}
-
-static int
-__do_siga_output(struct qdio_q *q, unsigned int *busy_bit)
-{
-       struct qdio_irq *irq;
-       unsigned int fc = 0;
-       unsigned long schid;
-
-       irq = (struct qdio_irq *) q->irq_ptr;
-       if (!irq->is_qebsm)
-	       schid = *((u32 *)&q->schid);
-       else {
-	       schid = irq->sch_token;
-	       fc |= 0x80;
-       }
-       return do_siga_output(schid, q->mask, busy_bit, fc);
-}
-
-/* 
- * returns QDIO_SIGA_ERROR_ACCESS_EXCEPTION as cc, when SIGA returns
- * an access exception 
- */
-static int
-qdio_siga_output(struct qdio_q *q)
-{
-	int cc;
-	__u32 busy_bit;
-	__u64 start_time=0;
-
-	qdio_perf_stat_inc(&perf_stats.siga_outs);
-
-	QDIO_DBF_TEXT4(0,trace,"sigaout");
-	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
-
-	for (;;) {
-		cc = __do_siga_output(q, &busy_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)
-		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
-
-	return cc;
-}
-
-static int
-qdio_siga_input(struct qdio_q *q)
-{
-	int cc;
-
-	QDIO_DBF_TEXT4(0,trace,"sigain");
-	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
-
-	qdio_perf_stat_inc(&perf_stats.siga_ins);
-
-	cc = do_siga_input(q->schid, q->mask);
-	
-	if (cc)
-		QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*));
-
-	return cc;
-}
-
-/* locked by the locks in qdio_activate and qdio_cleanup */
-static __u32 *
-qdio_get_indicator(void)
-{
-	int i;
-
-	for (i = 0; i < INDICATORS_PER_CACHELINE; i++)
-		if (!indicator_used[i]) {
-			indicator_used[i]=1;
-			return indicators+i;
-		}
-	atomic_inc(&spare_indicator_usecount);
-	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;
-	}
-	if (addr == &spare_indicator)
-		atomic_dec(&spare_indicator_usecount);
-}
-
-static inline void
-tiqdio_clear_summary_bit(__u32 *location)
-{
-	QDIO_DBF_TEXT5(0,trace,"clrsummb");
-	QDIO_DBF_HEX5(0,trace,&location,sizeof(void*));
-
-	xchg(location,0);
-}
-
-static inline  void
-tiqdio_set_summary_bit(__u32 *location)
-{
-	QDIO_DBF_TEXT5(0,trace,"setsummb");
-	QDIO_DBF_HEX5(0,trace,&location,sizeof(void*));
-
-	xchg(location,-1);
-}
-
-static inline void 
-tiqdio_sched_tl(void)
-{
-	tasklet_hi_schedule(&tiqdio_tasklet);
-}
-
-static void
-qdio_mark_tiq(struct qdio_q *q)
-{
-	unsigned long flags;
-
-	QDIO_DBF_TEXT4(0,trace,"mark iq");
-	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
-
-	spin_lock_irqsave(&ttiq_list_lock,flags);
-	if (unlikely(atomic_read(&q->is_in_shutdown)))
-		goto out_unlock;
-
-	if (!q->is_input_q)
-		goto out_unlock;
-
-	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(struct qdio_q *q)
-{
-	QDIO_DBF_TEXT4(0,trace,"mark q");
-	QDIO_DBF_HEX4(0,trace,&q,sizeof(void*));
-
-	if (unlikely(atomic_read(&q->is_in_shutdown)))
-		return;
-
-	tasklet_schedule(&q->tasklet);
-}
-
-static int
-qdio_stop_polling(struct qdio_q *q)
-{
-#ifdef QDIO_USE_PROCESSING_STATE
-       unsigned int tmp, gsf, count = 1;
-       unsigned char state = 0;
-       struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr;
-