s390 patches for 2.6.22

Index: quilt-2.6/arch/s390/kernel/early.c
===================================================================
@@ -253,11 +253,10 @@
 			break;
 #endif
 		/*
-		 * Finish memory detection at the first hole, unless
-		 * - we reached the hsa -> skip it.
-		 * - we know there must be more.
+		 * Finish memory detection at the first hole
+		 * if storage size is unknown.
 		 */
-		if (cc == -1UL && !memsize && old_addr != ADDR2G)
+		if (cc == -1UL && !memsize)
 			break;
 		if (memsize && addr >= memsize)
 			break;

Index: quilt-2.6/arch/s390/kernel/ipl.c
===================================================================
@@ -47,7 +47,7 @@
  * Must be in data section since the bss section
  * is not cleared when these are accessed.
  */
-u16 ipl_devno __attribute__((__section__(".data"))) = 0;
+static u16 ipl_devno __attribute__((__section__(".data"))) = 0;
 u32 ipl_flags __attribute__((__section__(".data"))) = 0;
 
 static char *ipl_type_str(enum ipl_type type)

@@ -1038,6 +1038,27 @@
 
 __initcall(s390_ipl_init);
 
+void __init ipl_save_parameters(void)
+{
+	struct cio_iplinfo iplinfo;
+	unsigned int *ipl_ptr;
+	void *src, *dst;
+
+	if (cio_get_iplinfo(&iplinfo))
+		return;
+
+	ipl_devno = iplinfo.devno;
+	ipl_flags |= IPL_DEVNO_VALID;
+	if (!iplinfo.is_qdio)
+		return;
+	ipl_flags |= IPL_PARMBLOCK_VALID;
+	ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR;
+	src = (void *)(unsigned long)*ipl_ptr;
+	dst = (void *)IPL_PARMBLOCK_ORIGIN;
+	memmove(dst, src, PAGE_SIZE);
+	*ipl_ptr = IPL_PARMBLOCK_ORIGIN;
+}
+
 static LIST_HEAD(rcall);
 static DEFINE_MUTEX(rcall_mutex);
 

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -1048,37 +1048,19 @@
 	do_reipl_asm(*((__u32*)&schid));
 }
 
-static struct schib __initdata ipl_schib;
-
-/*
- * ipl_save_parameters gets called very early. It is not allowed to access
- * anything in the bss section at all. The bss section is not cleared yet,
- * but may contain some ipl parameters written by the firmware.
- * These parameters (if present) are copied to 0x2000.
- * To avoid corruption of the ipl parameters, all variables used by this
- * function must reside on the stack or in the data section.
- */
-void ipl_save_parameters(void)
+int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo)
 {
 	struct subchannel_id schid;
-	unsigned int *ipl_ptr;
-	void *src, *dst;
+	struct schib schib;
 
 	schid = *(struct subchannel_id *)__LC_SUBCHANNEL_ID;
 	if (!schid.one)
-		return;
-	if (stsch(schid, &ipl_schib))
-		return;
-	if (!ipl_schib.pmcw.dnv)
-		return;
-	ipl_devno = ipl_schib.pmcw.dev;
-	ipl_flags |= IPL_DEVNO_VALID;
-	if (!ipl_schib.pmcw.qf)
-		return;
-	ipl_flags |= IPL_PARMBLOCK_VALID;
-	ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR;
-	src = (void *)(unsigned long)*ipl_ptr;
-	dst = (void *)IPL_PARMBLOCK_ORIGIN;
-	memmove(dst, src, PAGE_SIZE);
-	*ipl_ptr = IPL_PARMBLOCK_ORIGIN;
+		return -ENODEV;
+	if (stsch(schid, &schib))
+		return -ENODEV;
+	if (!schib.pmcw.dnv)
+		return -ENODEV;
+	iplinfo->devno = schib.pmcw.dev;
+	iplinfo->is_qdio = schib.pmcw.qf;
+	return 0;
 }

Index: quilt-2.6/include/asm-s390/cio.h
===================================================================
@@ -292,6 +292,13 @@
 
 extern void reipl_ccw_dev(struct ccw_dev_id *id);
 
+struct cio_iplinfo {
+	u16 devno;
+	int is_qdio;
+};
+
+extern int cio_get_iplinfo(struct cio_iplinfo *iplinfo);
+
 #endif
 
 #endif

Index: quilt-2.6/include/asm-s390/ipl.h
===================================================================
@@ -74,10 +74,9 @@
 } __attribute__((packed));
 
 /*
- * IPL validity flags and parameters as detected in head.S
+ * IPL validity flags
  */
 extern u32 ipl_flags;
-extern u16 ipl_devno;
 
 extern u32 dump_prefix_page;
 extern void do_reipl(void);

Index: quilt-2.6/drivers/s390/cio/chpid.h
===================================================================
@@ -0,0 +1,51 @@
+/*
+ *  drivers/s390/cio/chpid.h
+ *
+ *    Copyright IBM Corp. 2007
+ *    Author(s): Peter Oberparleiter <[email protected]>
+ */
+
+#ifndef S390_CHP_ID_H
+#define S390_CHP_ID_H S390_CHP_ID_H
+
+#include <linux/string.h>
+#include <asm/types.h>
+#include "css.h"
+
+struct chp_id {
+	u8 reserved1;
+	u8 cssid;
+	u8 reserved2;
+	u8 id;
+} __attribute__((packed));
+
+static inline void chp_id_init(struct chp_id *chpid)
+{
+	memset(chpid, 0, sizeof(struct chp_id));
+}
+
+static inline int chp_id_is_equal(struct chp_id *a, struct chp_id *b)
+{
+	return (a->id == b->id) && (a->cssid == b->cssid);
+}
+
+static inline void chp_id_next(struct chp_id *chpid)
+{
+	if (chpid->id < __MAX_CHPID)
+		chpid->id++;
+	else {
+		chpid->id = 0;
+		chpid->cssid++;
+	}
+}
+
+static inline int chp_id_is_valid(struct chp_id *chpid)
+{
+	return (chpid->cssid <= __MAX_CSSID);
+}
+
+
+#define chp_id_for_each(c) \
+	for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
+
+#endif /* S390_CHP_ID_H */

442 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/chsc.h
===================================================================
@@ -1,6 +1,10 @@
 #ifndef S390_CHSC_H
 #define S390_CHSC_H
 
+#include <linux/types.h>
+#include <linux/device.h>
+#include "chpid.h"
+
 #define CHSC_SEI_ACC_CHPID        1
 #define CHSC_SEI_ACC_LINKADDR     2
 #define CHSC_SEI_ACC_FULLLINKADDR 3

@@ -34,7 +38,7 @@
 } __attribute__ ((packed));
 
 struct channel_path {
-	int id;
+	struct chp_id chpid;
 	int state;
 	struct channel_path_desc desc;
 	/* Channel-measurement related stuff: */

@@ -46,7 +50,7 @@
 
 extern void s390_process_css( void );
 extern void chsc_validate_chpids(struct subchannel *);
-extern void chpid_is_actually_online(int);
+extern void chpid_is_actually_online(struct chp_id);
 extern int css_get_ssd_info(struct subchannel *);
 extern int chsc_process_crw(void);
 extern int chp_process_crw(int, int);

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -954,6 +954,7 @@
 {
 	int i, ret;
 	unsigned long long timeout;
+	struct chp_id chpid;
 
 	/* Reset subchannels. */
 	for_each_subchannel(__shutdown_subchannel_easy,  NULL);

@@ -963,8 +964,10 @@
 	__ctl_set_bit(14, 28);
 	/* Temporarily reenable machine checks. */
 	local_mcck_enable();
+	chp_id_init(&chpid);
 	for (i = 0; i <= __MAX_CHPID; i++) {
-		ret = rchp(i);
+		chpid.id = i;
+		ret = rchp(chpid);
 		if ((ret == 0) || (ret == 2))
 			/*
 			 * rchp either succeeded, or another rchp is already

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -22,6 +22,7 @@
 #include "device.h"
 #include "chsc.h"
 #include "ioasm.h"
+#include "chpid.h"
 
 int
 device_is_online(struct subchannel *sch)

@@ -210,14 +211,17 @@
 __recover_lost_chpids(struct subchannel *sch, int old_lpm)
 {
 	int mask, i;
+	struct chp_id chpid;
 
+	chp_id_init(&chpid);
 	for (i = 0; i<8; i++) {
 		mask = 0x80 >> i;
 		if (!(sch->lpm & mask))
 			continue;
 		if (old_lpm & mask)
 			continue;
-		chpid_is_actually_online(sch->schib.pmcw.chpid[i]);
+		chpid.id = sch->schib.pmcw.chpid[i];
+		chpid_is_actually_online(chpid);
 	}
 }
 

Index: quilt-2.6/drivers/s390/cio/ioasm.h
===================================================================
@@ -2,6 +2,7 @@
 #define S390_CIO_IOASM_H
 
 #include "schid.h"
+#include "chpid.h"
 
 /*
  * TPI info structure

@@ -189,9 +190,9 @@
 	return cc;
 }
 
-static inline int rchp(int chpid)
+static inline int rchp(struct chp_id chpid)
 {
-	register unsigned int reg1 asm ("1") = chpid;
+	register struct chp_id reg1 asm ("1") = chpid;
 	int ccode;
 
 	asm volatile(

Index: quilt-2.6/drivers/s390/cio/chsc.c
===================================================================
@@ -1169,9 +1169,9 @@
 	if (!num_args)
 		return count;
 
-	if (!strnicmp(cmd, "on", 2))
+	if (!strnicmp(cmd, "on", 2) || !strcmp(cmd, "1"))
 		error = s390_vary_chpid(cp->chpid, 1);
-	else if (!strnicmp(cmd, "off", 3))
+	else if (!strnicmp(cmd, "off", 3) || !strcmp(cmd, "0"))
 		error = s390_vary_chpid(cp->chpid, 0);
 	else
 		error = -EINVAL;

Index: quilt-2.6/drivers/s390/cio/chp.c
===================================================================
@@ -0,0 +1,433 @@
+/*
+ *  drivers/s390/cio/chp.c
+ *
+ *    Copyright IBM Corp. 1999,2007
+ *    Author(s): Cornelia Huck ([email protected])
+ *		 Arnd Bergmann ([email protected])
+ *		 Peter Oberparleiter <[email protected]>
+ */
+
+#include <linux/bug.h>
+#include <linux/workqueue.h>
+#include <linux/spinlock.h>
+#include <asm/errno.h>
+
+#include "chpid.h"
+#include "cio.h"
+#include "css.h"
+#include "ioasm.h"
+#include "cio_debug.h"
+#include "chp.h"
+
+#define to_channelpath(device) container_of(device, struct channel_path, dev)
+
+/* Return channel_path struct for given chpid. */
+static inline struct channel_path *chpid_to_chp(struct chp_id chpid)
+{
+	return css[chpid.cssid]->chps[chpid.id];
+}
+
+/* Set vary state for given chpid. */
+static void set_chp_logically_online(struct chp_id chpid, int onoff)
+{
+	chpid_to_chp(chpid)->state = onoff;
+}
+
+/* On succes return 0 if channel-path is varied offline, 1 if it is varied
+ * online. Return -ENODEV if channel-path is not registered. */
+int chp_get_status(struct chp_id chpid)
+{
+	return (chpid_to_chp(chpid) ? chpid_to_chp(chpid)->state : -ENODEV);
+}
+
+/**
+ * chp_get_sch_opm - return opm for subchannel
+ * @sch: subchannel
+ *
+ * Calculate and return the operational path mask (opm) based on the chpids
+ * used by the subchannel and the status of the associated channel-paths.
+ */
+u8 chp_get_sch_opm(struct subchannel *sch)
+{
+	struct chp_id chpid;
+	int opm;
+	int i;
+
+	opm = 0;
+	chp_id_init(&chpid);
+	for (i=0; i < 8; i++) {
+		opm <<= 1;
+		chpid.id = sch->schib.pmcw.chpid[i];
+		if (chp_get_status(chpid) != 0)
+			opm |= 1;
+	}
+	return opm;
+}
+
+/**
+ * chp_is_registered - check if a channel-path is registered
+ * @chpid: channel-path ID
+ *
+ * Return non-zero if a channel-path with the given chpid is registered,
+ * zero otherwise.
+ */
+int chp_is_registered(struct chp_id chpid)
+{
+	return chpid_to_chp(chpid) != NULL;
+}
+
+/*
+ * Function: s390_vary_chpid
+ * Varies the specified chpid online or offline
+ */
+static int s390_vary_chpid(struct chp_id chpid, int on)
+{
+	char dbf_text[15];
+	int status;
+
+	sprintf(dbf_text, on?"varyon%x.%02x":"varyoff%x.%02x", chpid.cssid,
+		chpid.id);
+	CIO_TRACE_EVENT( 2, dbf_text);
+
+	status = chp_get_status(chpid);
+	if (status < 0) {
+		printk(KERN_ERR "Can't vary unknown chpid %x.%02x\n",
+		       chpid.cssid, chpid.id);
+		return -EINVAL;
+	}
+
+	if (!on && !status) {
+		printk(KERN_ERR "chpid %x.%02x is already offline\n",
+		       chpid.cssid, chpid.id);
+		return -EINVAL;
+	}
+
+	set_chp_logically_online(chpid, on);
+	chsc_chp_vary(chpid, on);
+	return 0;
+}
+
+/*
+ * Channel measurement related functions
+ */
+static ssize_t chp_measurement_chars_read(struct kobject *kobj, char *buf,
+					  loff_t off, size_t count)
+{
+	struct channel_path *chp;
+	unsigned int size;
+
+	chp = to_channelpath(container_of(kobj, struct device, kobj));
+	if (!chp->cmg_chars)
+		return 0;
+
+	size = sizeof(struct cmg_chars);
+
+	if (off > size)
+		return 0;
+	if (off + count > size)
+		count = size - off;
+	memcpy(buf, chp->cmg_chars + off, count);
+	return count;
+}
+
+static struct bin_attribute chp_measurement_chars_attr = {
+	.attr = {
+		.name = "measurement_chars",
+		.mode = S_IRUSR,
+		.owner = THIS_MODULE,
+	},
+	.size = sizeof(struct cmg_chars),
+	.read = chp_measurement_chars_read,
+};
+
+static void chp_measurement_copy_block(struct cmg_entry *buf,
+				       struct channel_subsystem *css,
+				       struct chp_id chpid)
+{
+	void *area;
+	struct cmg_entry *entry, reference_buf;
+	int idx;
+
+	if (chpid.id < 128) {
+		area = css->cub_addr1;
+		idx = chpid.id;
+	} else {
+		area = css->cub_addr2;
+		idx = chpid.id - 128;
+	}
+	entry = area + (idx * sizeof(struct cmg_entry));
+	do {
+		memcpy(buf, entry, sizeof(*entry));
+		memcpy(&reference_buf, entry, sizeof(*entry));
+	} while (reference_buf.values[0] != buf->values[0]);
+}
+
+static ssize_t chp_measurement_read(struct kobject *kobj, char *buf,
+				    loff_t off, size_t count)
+{
+	struct channel_path *chp;
+	struct channel_subsystem *css;
+	unsigned int size;
+
+	chp = to_channelpath(container_of(kobj, struct device, kobj));
+	css = to_css(chp->dev.parent);
+
+	size = sizeof(struct cmg_entry);
+
+	/* Only allow single reads. */
+	if (off || count < size)
+		return 0;
+	chp_measurement_copy_block((struct cmg_entry *)buf, css, chp->chpid);
+	count = size;
+	return count;
+}
+
+static struct bin_attribute chp_measurement_attr = {
+	.attr = {
+		.name = "measurement",
+		.mode = S_IRUSR,
+		.owner = THIS_MODULE,
+	},
+	.size = sizeof(struct cmg_entry),
+	.read = chp_measurement_read,
+};
+
+void chp_remove_cmg_attr(struct channel_path *chp)
+{
+	device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
+	device_remove_bin_file(&chp->dev, &chp_measurement_attr);
+}
+
+int chp_add_cmg_attr(struct channel_path *chp)
+{
+	int ret;
+
+	ret = device_create_bin_file(&chp->dev, &chp_measurement_chars_attr);
+	if (ret)
+		return ret;
+	ret = device_create_bin_file(&chp->dev, &chp_measurement_attr);
+	if (ret)
+		device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
+	return ret;
+}
+
+/*
+ * Files for the channel path entries.
+ */
+static ssize_t chp_status_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct channel_path *chp = container_of(dev, struct channel_path, dev);
+
+	if (!chp)
+		return 0;
+	return (chp_get_status(chp->chpid) ? sprintf(buf, "online\n") :
+		sprintf(buf, "offline\n"));
+}
+
+static ssize_t chp_status_write(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct channel_path *cp = container_of(dev, struct channel_path, dev);
+	char cmd[10];
+	int num_args;
+	int error;
+
+	num_args = sscanf(buf, "%5s", cmd);
+	if (!num_args)
+		return count;
+
+	if (!strnicmp(cmd, "on", 2) || !strcmp(cmd, "1"))
+		error = s390_vary_chpid(cp->chpid, 1);
+	else if (!strnicmp(cmd, "off", 3) || !strcmp(cmd, "0"))
+		error = s390_vary_chpid(cp->chpid, 0);
+	else
+		error = -EINVAL;
+
+	return error < 0 ? error : count;
+
+}
+
+static DEVICE_ATTR(status, 0644, chp_status_show, chp_status_write);
+
+static ssize_t chp_type_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct channel_path *chp = container_of(dev, struct channel_path, dev);
+
+	if (!chp)
+		return 0;
+	return sprintf(buf, "%x\n", chp->desc.desc);
+}
+
+static DEVICE_ATTR(type, 0444, chp_type_show, NULL);
+
+static ssize_t chp_cmg_show(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	struct channel_path *chp = to_channelpath(dev);
+
+	if (!chp)
+		return 0;
+	if (chp->cmg == -1) /* channel measurements not available */
+		return sprintf(buf, "unknown\n");
+	return sprintf(buf, "%x\n", chp->cmg);
+}
+
+static DEVICE_ATTR(cmg, 0444, chp_cmg_show, NULL);
+
+static ssize_t chp_shared_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct channel_path *chp = to_channelpath(dev);
+
+	if (!chp)
+		return 0;
+	if (chp->shared == -1) /* channel measurements not available */
+		return sprintf(buf, "unknown\n");
+	return sprintf(buf, "%x\n", chp->shared);
+}
+
+static DEVICE_ATTR(shared, 0444, chp_shared_show, NULL);
+
+static struct attribute * chp_attrs[] = {
+	&dev_attr_status.attr,
+	&dev_attr_type.attr,
+	&dev_attr_cmg.attr,
+	&dev_attr_shared.attr,
+	NULL,
+};
+
+static struct attribute_group chp_attr_group = {
+	.attrs = chp_attrs,
+};
+
+static void chp_release(struct device *dev)
+{
+	struct channel_path *cp;
+
+	cp = container_of(dev, struct channel_path, dev);
+	kfree(cp);
+}
+
+/**
+ * chp_new - register a new channel-path
+ * @chpid - channel-path ID
+ *
+ * Create and register data structure representing new channel-path. Return
+ * zero on success, non-zero otherwise.
+ */
+int chp_new(struct chp_id chpid)
+{
+	struct channel_path *chp;
+	int ret;
+
+	chp = kzalloc(sizeof(struct channel_path), GFP_KERNEL);
+	if (!chp)
+		return -ENOMEM;
+
+	/* fill in status, etc. */
+	chp->chpid = chpid;
+	chp->state = 1;
+	chp->dev.parent = &css[chpid.cssid]->device;
+	chp->dev.release = chp_release;
+	snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid,
+		 chpid.id);
+
+	/* Obtain channel path description and fill it in. */
+	ret = chsc_determine_channel_path_description(chpid, &chp->desc);
+	if (ret)
+		goto out_free;
+	/* Get channel-measurement characteristics. */
+	if (css_characteristics_avail && css_chsc_characteristics.scmc
+	    && css_chsc_characteristics.secm) {
+		ret = chsc_get_channel_measurement_chars(chp);
+		if (ret)
+			goto out_free;
+	} else {
+		static int msg_done;
+
+		if (!msg_done) {
+			printk(KERN_WARNING "cio: Channel measurements not "
+			       "available, continuing.\n");
+			msg_done = 1;
+		}
+		chp->cmg = -1;
+	}
+
+	/* make it known to the system */
+	ret = device_register(&chp->dev);
+	if (ret) {
+		printk(KERN_WARNING "%s: could not register %x.%02x\n",
+		       __func__, chpid.cssid, chpid.id);
+		goto out_free;
+	}
+	ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
+	if (ret) {
+		device_unregister(&chp->dev);
+		goto out_free;
+	}
+	mutex_lock(&css[chpid.cssid]->mutex);
+	if (css[chpid.cssid]->cm_enabled) {
+		ret = chp_add_cmg_attr(chp);
+		if (ret) {
+			sysfs_remove_group(&chp->dev.kobj, &chp_attr_group);
+			device_unregister(&chp->dev);
+			mutex_unlock(&css[chpid.cssid]->mutex);
+			goto out_free;
+		}
+	}
+	css[chpid.cssid]->chps[chpid.id] = chp;
+	mutex_unlock(&css[chpid.cssid]->mutex);
+	return ret;
+out_free:
+	kfree(chp);
+	return ret;
+}
+
+/**
+ * chp_get_chp_desc - return newly allocated channel-path description
+ * @chpid: channel-path ID
+ *
+ * On success return a newly allocated copy of the channel-path description
+ * data associated with the given channel-path ID. Return %NULL on error.
+ */
+void *chp_get_chp_desc(struct chp_id chpid)
+{
+	struct channel_path *chp;
+	struct channel_path_desc *desc;
+
+	chp = chpid_to_chp(chpid);
+	if (!chp)
+		return NULL;
+	desc = kmalloc(sizeof(struct channel_path_desc), GFP_KERNEL);
+	if (!desc)
+		return NULL;
+	memcpy(desc, &chp->desc, sizeof(struct channel_path_desc));
+	return desc;
+}
+
+/**
+ * chp_process_crw - process channel-path status change
+ * @id: channel-path ID number
+ * @status: non-zero if channel-path has become available, zero otherwise
+ *
+ * Handle channel-report-words indicating that the status of a channel-path
+ * has changed.
+ */
+int chp_process_crw(int id, int status)
+{
+	struct chp_id chpid;
+
+	chp_id_init(&chpid);
+	chpid.id = id;
+	if (status) {
+		if (!chp_is_registered(chpid))
+			chp_new(chpid);
+		return chsc_chp_online(chpid);
+	} else {
+		chsc_chp_offline(chpid);
+		return 0;
+	}
+}

Index: quilt-2.6/drivers/s390/cio/chp.h
===================================================================
@@ -0,0 +1,37 @@
+/*
+ *  drivers/s390/cio/chp.h
+ *
+ *    Copyright IBM Corp. 2007
+ *    Author(s): Peter Oberparleiter <[email protected]>
+ */
+
+#ifndef S390_CHP_H
+#define S390_CHP_H S390_CHP_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+
+#include "chpid.h"
+#include "chsc.h"
+
+struct channel_path {
+	struct chp_id chpid;
+	int state;
+	struct channel_path_desc desc;
+	/* Channel-measurement related stuff: */
+	int cmg;
+	int shared;
+	void *cmg_chars;
+	struct device dev;
+};
+
+int chp_get_status(struct chp_id chpid);
+u8 chp_get_sch_opm(struct subchannel *sch);
+int chp_is_registered(struct chp_id chpid);
+void *chp_get_chp_desc(struct chp_id chpid);
+int chp_process_crw(int id, int available);
+void chp_remove_cmg_attr(struct channel_path *chp);
+int chp_add_cmg_attr(struct channel_path *chp);
+int chp_new(struct chp_id chpid);
+
+#endif /* S390_CHP_H */

662 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/chsc.h
===================================================================
@@ -5,10 +5,6 @@
 #include <linux/device.h>
 #include "chpid.h"
 
-#define CHSC_SEI_ACC_CHPID        1
-#define CHSC_SEI_ACC_LINKADDR     2
-#define CHSC_SEI_ACC_FULLLINKADDR 3
-
 #define CHSC_SDA_OC_MSS   0x2
 
 struct chsc_header {

@@ -37,23 +33,10 @@
 	u8 chpp;
 } __attribute__ ((packed));
 
-struct channel_path {
-	struct chp_id chpid;
-	int state;
-	struct channel_path_desc desc;
-	/* Channel-measurement related stuff: */
-	int cmg;
-	int shared;
-	void *cmg_chars;
-	struct device dev;
-};
-
-extern void s390_process_css( void );
-extern void chsc_validate_chpids(struct subchannel *);
-extern void chpid_is_actually_online(struct chp_id);
+struct channel_path;
+
 extern int css_get_ssd_info(struct subchannel *);
 extern int chsc_process_crw(void);
-extern int chp_process_crw(int, int);
 
 struct css_general_char {
 	u64 : 41;

@@ -89,12 +72,15 @@
 extern int chsc_determine_css_characteristics(void);
 extern int css_characteristics_avail;
 
-extern void *chsc_get_chp_desc(struct subchannel*, int);
-
 extern int chsc_enable_facility(int);
 struct channel_subsystem;
 extern int chsc_secm(struct channel_subsystem *, int);
 
-#define to_channelpath(device) container_of(device, struct channel_path, dev)
+int chsc_chp_vary(struct chp_id chpid, int on);
+int chsc_determine_channel_path_description(struct chp_id chpid,
+					    struct channel_path_desc *desc);
+int 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);
 
 #endif

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -29,6 +29,7 @@
 #include "ioasm.h"
 #include "blacklist.h"
 #include "cio_debug.h"
+#include "chp.h"
 #include "../s390mach.h"
 
 debug_info_t *cio_debug_msg_id;

@@ -592,9 +593,10 @@
 		err = -ENODEV;
 		goto out;
 	}
-	sch->opm = 0xff;
-	if (!cio_is_console(sch->schid))
-		chsc_validate_chpids(sch);
+	if (cio_is_console(sch->schid))
+		sch->opm = 0xff;
+	else
+		sch->opm = chp_get_sch_opm(sch);
 	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 
 	CIO_DEBUG(KERN_INFO, 0,

Index: quilt-2.6/drivers/s390/cio/css.h
===================================================================
@@ -4,6 +4,7 @@
 #include <linux/mutex.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
+#include <linux/device.h>
 
 #include <asm/cio.h>
 

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -23,6 +23,7 @@
 #include "chsc.h"
 #include "ioasm.h"
 #include "chpid.h"
+#include "chp.h"
 
 int
 device_is_online(struct subchannel *sch)

@@ -221,7 +222,10 @@
 		if (old_lpm & mask)
 			continue;
 		chpid.id = sch->schib.pmcw.chpid[i];
-		chpid_is_actually_online(chpid);
+		if (!chp_is_registered(chpid)) {
+			need_rescan = 1;
+			queue_work(slow_path_wq, &slow_path_work);
+		}
 	}
 }
 

Index: quilt-2.6/drivers/s390/cio/device_ops.c
===================================================================
@@ -22,6 +22,8 @@
 #include "css.h"
 #include "chsc.h"
 #include "device.h"
+#include "chpid.h"
+#include "chp.h"
 
 int ccw_device_set_options_mask(struct ccw_device *cdev, unsigned long flags)
 {

@@ -606,9 +608,12 @@
 ccw_device_get_chp_desc(struct ccw_device *cdev, int chp_no)
 {
 	struct subchannel *sch;
+	struct chp_id chpid;
 
 	sch = to_subchannel(cdev->dev.parent);
-	return chsc_get_chp_desc(sch, chp_no);
+	chp_id_init(&chpid);
+	chpid.id = sch->schib.pmcw.chpid[chp_no];
+	return chp_get_chp_desc(chpid);
 }
 
 // FIXME: these have to go:

Index: quilt-2.6/drivers/s390/s390mach.c
===================================================================
@@ -21,6 +21,7 @@
 #include "cio/cio.h"
 #include "cio/chsc.h"
 #include "cio/css.h"
+#include "cio/chp.h"
 #include "s390mach.h"
 
 static struct semaphore m_sem;

Index: quilt-2.6/drivers/s390/cio/chp.c
===================================================================
@@ -339,6 +339,10 @@
 	ret = chsc_determine_channel_path_description(chpid, &chp->desc);
 	if (ret)
 		goto out_free;
+	if ((chp->desc.flags & 0x80) == 0) {
+		ret = -ENODEV;
+		goto out_free;
+	}
 	/* Get channel-measurement characteristics. */
 	if (css_characteristics_avail && css_chsc_characteristics.scmc
 	    && css_chsc_characteristics.secm) {

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -413,11 +413,60 @@
 	return (ret == 0) ? -ENODEV : ret;
 }
 
-static ssize_t
-online_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static void online_store_handle_offline(struct ccw_device *cdev)
+{
+	if (cdev->private->state == DEV_STATE_DISCONNECTED)
+		ccw_device_remove_disconnected(cdev);
+	else if (cdev->drv && cdev->drv->set_offline)
+		ccw_device_set_offline(cdev);
+}
+
+static int online_store_recog_and_online(struct ccw_device *cdev)
+{
+	int ret;
+
+	/* Do device recognition, if needed. */
+	if (cdev->id.cu_type == 0) {
+		ret = ccw_device_recognition(cdev);
+		if (ret) {
+			printk(KERN_WARNING"Couldn't start recognition "
+			       "for device %s (ret=%d)\n",
+			       cdev->dev.bus_id, ret);
+			return ret;
+		}
+		wait_event(cdev->private->wait_q,
+			   cdev->private->flags.recog_done);
+	}
+	if (cdev->drv && cdev->drv->set_online)
+		ccw_device_set_online(cdev);
+	return 0;
+}
+static void online_store_handle_online(struct ccw_device *cdev, int force)
+{
+	int ret;
+
+	ret = online_store_recog_and_online(cdev);
+	if (ret)
+		return;
+	if (force && cdev->private->state == DEV_STATE_BOXED) {
+		ret = ccw_device_stlck(cdev);
+		if (ret) {
+			printk(KERN_WARNING"ccw_device_stlck for device %s "
+			       "returned %d!\n", cdev->dev.bus_id, ret);
+			return;
+		}
+		if (cdev->id.cu_type == 0)
+			cdev->private->state = DEV_STATE_NOT_OPER;
+		online_store_recog_and_online(cdev);
+	}
+
+}
+
+static ssize_t online_store (struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct ccw_device *cdev = to_ccwdev(dev);
-	int i, force, ret;
+	int i, force;
 	char *tmp;
 
 	if (atomic_cmpxchg(&cdev->private->onoff, 0, 1) != 0)

@@ -434,51 +483,17 @@
 		force = 0;
 		i = simple_strtoul(buf, &tmp, 16);
 	}
-	if (i == 1) {
-		/* Do device recognition, if needed. */
-		if (cdev->id.cu_type == 0) {
-			ret = ccw_device_recognition(cdev);
-			if (ret) {
-				printk(KERN_WARNING"Couldn't start recognition "
-				       "for device %s (ret=%d)\n",
-				       cdev->dev.bus_id, ret);
-				goto out;
-			}
-			wait_event(cdev->private->wait_q,
-				   cdev->private->flags.recog_done);
-		}
-		if (cdev->drv && cdev->drv->set_online)
-			ccw_device_set_online(cdev);
-	} else if (i == 0) {
-		if (cdev->private->state == DEV_STATE_DISCONNECTED)
-			ccw_device_remove_disconnected(cdev);
-		else if (cdev->drv && cdev->drv->set_offline)
-			ccw_device_set_offline(cdev);
-	}
-	if (force && cdev->private->state == DEV_STATE_BOXED) {
-		ret = ccw_device_stlck(cdev);
-		if (ret) {
-			printk(KERN_WARNING"ccw_device_stlck for device %s "
-			       "returned %d!\n", cdev->dev.bus_id, ret);
-			goto out;
-		}
-		/* Do device recognition, if needed. */
-		if (cdev->id.cu_type == 0) {
-			cdev->private->state = DEV_STATE_NOT_OPER;
-			ret = ccw_device_recognition(cdev);
-			if (ret) {
-				printk(KERN_WARNING"Couldn't start recognition "
-				       "for device %s (ret=%d)\n",
-				       cdev->dev.bus_id, ret);
-				goto out;
-			}
-			wait_event(cdev->private->wait_q,
-				   cdev->private->flags.recog_done);
-		}
-		if (cdev->drv && cdev->drv->set_online)
-			ccw_device_set_online(cdev);
+
+	switch (i) {
+	case 0:
+		online_store_handle_offline(cdev);
+		break;
+	case 1:
+		online_store_handle_online(cdev, force);
+		break;
+	default:
+		count = -EINVAL;
 	}
-	out:
 	if (cdev->drv)
 		module_put(cdev->drv->owner);
 	atomic_set(&cdev->private->onoff, 0);

196 lines not on this page · raw message

285 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/chp.h
===================================================================
@@ -10,10 +10,23 @@
 
 #include <linux/types.h>
 #include <linux/device.h>
-
-#include "chpid.h"
+#include <asm/chpid.h>
 #include "chsc.h"
 
+#define CHP_STATUS_STANDBY		0
+#define CHP_STATUS_CONFIGURED		1
+#define CHP_STATUS_RESERVED		2
+#define CHP_STATUS_NOT_RECOGNIZED	3
+
+static inline int chp_test_bit(u8 *bitmap, int num)
+{
+	int byte = num >> 3;
+	int mask = 128 >> (num & 7);
+
+	return (bitmap[byte] & mask) ? 1 : 0;
+}
+
+
 struct channel_path {
 	struct chp_id chpid;
 	int state;

@@ -33,5 +46,8 @@
 void chp_remove_cmg_attr(struct channel_path *chp);
 int chp_add_cmg_attr(struct channel_path *chp);
 int chp_new(struct chp_id chpid);
+void chp_cfg_schedule(struct chp_id chpid, int configure);
+void chp_cfg_cancel_deconfigure(struct chp_id chpid);
+int chp_info_get_status(struct chp_id chpid);
 
 #endif /* S390_CHP_H */

51 lines not on this page · raw message

67 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/chsc.h
===================================================================
@@ -3,7 +3,7 @@
 
 #include <linux/types.h>
 #include <linux/device.h>
-#include "chpid.h"
+#include <asm/chpid.h>
 
 #define CHSC_SDA_OC_MSS   0x2
 

Index: quilt-2.6/drivers/s390/cio/cio.c
===================================================================
@@ -22,6 +22,7 @@
 #include <asm/setup.h>
 #include <asm/reset.h>
 #include <asm/ipl.h>
+#include <asm/chpid.h>
 #include "airq.h"
 #include "cio.h"
 #include "css.h"

Index: quilt-2.6/drivers/s390/cio/cio.h
===================================================================
@@ -3,6 +3,7 @@
 
 #include "schid.h"
 #include <linux/mutex.h>
+#include <linux/device.h>
 
 /*
  * where we put the ssd info

Index: quilt-2.6/drivers/s390/cio/css.h
===================================================================
@@ -5,8 +5,10 @@
 #include <linux/wait.h>
 #include <linux/workqueue.h>
 #include <linux/device.h>
+#include <linux/types.h>
 
 #include <asm/cio.h>
+#include <asm/chpid.h>
 
 #include "schid.h"
 

@@ -149,8 +151,6 @@
 
 #define __MAX_SUBCHANNEL 65535
 #define __MAX_SSID 3
-#define __MAX_CHPID 255
-#define __MAX_CSSID 0
 
 struct channel_subsystem {
 	u8 cssid;

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -15,6 +15,7 @@
 
 #include <asm/ccwdev.h>
 #include <asm/cio.h>
+#include <asm/chpid.h>
 
 #include "cio.h"
 #include "cio_debug.h"

@@ -22,7 +23,6 @@
 #include "device.h"
 #include "chsc.h"
 #include "ioasm.h"
-#include "chpid.h"
 #include "chp.h"
 
 int

Index: quilt-2.6/drivers/s390/cio/device_ops.c
===================================================================
@@ -16,13 +16,13 @@
 
 #include <asm/ccwdev.h>
 #include <asm/idals.h>
+#include <asm/chpid.h>
 
 #include "cio.h"
 #include "cio_debug.h"
 #include "css.h"
 #include "chsc.h"
 #include "device.h"
-#include "chpid.h"
 #include "chp.h"
 
 int ccw_device_set_options_mask(struct ccw_device *cdev, unsigned long flags)

Index: quilt-2.6/drivers/s390/cio/ioasm.h
===================================================================
@@ -1,8 +1,8 @@
 #ifndef S390_CIO_IOASM_H
 #define S390_CIO_IOASM_H
 
+#include <asm/chpid.h>
 #include "schid.h"
-#include "chpid.h"
 
 /*
  * TPI info structure

53 lines not on this page · raw message

Index: quilt-2.6/include/asm-s390/cio.h
===================================================================
@@ -13,6 +13,7 @@
 #ifdef __KERNEL__
 
 #define LPM_ANYPATH 0xff
+#define __MAX_CSSID 0
 
 /*
  * subchannel status word

Index: quilt-2.6/include/asm-s390/sclp.h
===================================================================
@@ -9,6 +9,7 @@
 #define _ASM_S390_SCLP_H
 
 #include <linux/types.h>
+#include <asm/chpid.h>
 
 struct sccb_header {
 	u16	length;

@@ -33,7 +34,18 @@
 	u8	_reserved3[4096 - 112];	/* 112-4095 */
 } __attribute__((packed, aligned(4096)));
 
+#define SCLP_CHP_INFO_MASK_SIZE		32
+
+struct sclp_chp_info {
+	u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
+	u8 standby[SCLP_CHP_INFO_MASK_SIZE];
+	u8 configured[SCLP_CHP_INFO_MASK_SIZE];
+};
+
 extern struct sclp_readinfo_sccb s390_readinfo_sccb;
 extern void sclp_readinfo_early(void);
+extern int sclp_chp_configure(struct chp_id chpid);
+extern int sclp_chp_deconfigure(struct chp_id chpid);
+extern int sclp_chp_read_info(struct sclp_chp_info *info);
 
 #endif /* _ASM_S390_SCLP_H */

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -56,13 +56,12 @@
 /* Store modalias string delimited by prefix/suffix string into buffer with
  * specified size. Return length of resulting string (excluding trailing '\0')
  * even if string doesn't fit buffer (snprintf semantics). */
-static int snprint_alias(char *buf, size_t size, const char *prefix,
+static int snprint_alias(char *buf, size_t size,
 			 struct ccw_device_id *id, const char *suffix)
 {
 	int len;
 
-	len = snprintf(buf, size, "%sccw:t%04Xm%02X", prefix, id->cu_type,
-		       id->cu_model);
+	len = snprintf(buf, size, "ccw:t%04Xm%02X", id->cu_type, id->cu_model);
 	if (len > size)
 		return len;
 	buf += len;

@@ -85,53 +84,40 @@
 	struct ccw_device *cdev = to_ccwdev(dev);
 	struct ccw_device_id *id = &(cdev->id);
 	int i = 0;
-	int len;
+	int len = 0;
+	int ret;
+	char modalias_buf[30];
 
 	/* CU_TYPE= */
-	len = snprintf(buffer, buffer_size, "CU_TYPE=%04X", id->cu_type) + 1;
-	if (len > buffer_size || i >= num_envp)
-		return -ENOMEM;
-	envp[i++] = buffer;
-	buffer += len;
-	buffer_size -= len;
+	ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+			     "CU_TYPE=%04X", id->cu_type);
+	if (ret)
+		return ret;
 
 	/* CU_MODEL= */
-	len = snprintf(buffer, buffer_size, "CU_MODEL=%02X", id->cu_model) + 1;
-	if (len > buffer_size || i >= num_envp)
-		return -ENOMEM;
-	envp[i++] = buffer;
-	buffer += len;
-	buffer_size -= len;
+	ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+			     "CU_MODEL=%02X", id->cu_model);
+	if (ret)
+		return ret;
 
 	/* The next two can be zero, that's ok for us */
 	/* DEV_TYPE= */
-	len = snprintf(buffer, buffer_size, "DEV_TYPE=%04X", id->dev_type) + 1;
-	if (len > buffer_size || i >= num_envp)
-		return -ENOMEM;
-	envp[i++] = buffer;
-	buffer += len;
-	buffer_size -= len;
+	ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+			     "DEV_TYPE=%04X", id->dev_type);
+	if (ret)
+		return ret;
 
 	/* DEV_MODEL= */
-	len = snprintf(buffer, buffer_size, "DEV_MODEL=%02X",
-			(unsigned char) id->dev_model) + 1;
-	if (len > buffer_size || i >= num_envp)
-		return -ENOMEM;
-	envp[i++] = buffer;
-	buffer += len;
-	buffer_size -= len;
+	ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+			     "DEV_MODEL=%02X", id->dev_model);
+	if (ret)
+		return ret;
 
 	/* MODALIAS=  */
-	len = snprint_alias(buffer, buffer_size, "MODALIAS=", id, "") + 1;
-	if (len > buffer_size || i >= num_envp)
-		return -ENOMEM;
-	envp[i++] = buffer;
-	buffer += len;
-	buffer_size -= len;
-
-	envp[i] = NULL;
-
-	return 0;
+	snprint_alias(modalias_buf, sizeof(modalias_buf), id, "");
+	ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+			     "MODALIAS=%s", modalias_buf);
+	return ret;
 }
 
 struct bus_type ccw_bus_type;

@@ -280,7 +266,7 @@
 	struct ccw_device_id *id = &(cdev->id);
 	int len;
 
-	len = snprint_alias(buf, PAGE_SIZE, "", id, "\n") + 1;
+	len = snprint_alias(buf, PAGE_SIZE, id, "\n") + 1;
 
 	return len > PAGE_SIZE ? PAGE_SIZE : len;
 }

Index: quilt-2.6/drivers/s390/cio/chsc.c
===================================================================
@@ -178,6 +178,38 @@
 	return ret;
 }
 
+static int check_for_io_on_path(struct subchannel *sch, int mask)
+{
+	int cc;
+
+	cc = stsch(sch->schid, &sch->schib);
+	if (cc)
+		return 0;
+	if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == mask)
+		return 1;
+	return 0;
+}
+
+static void terminate_internal_io(struct subchannel *sch)
+{
+	if (cio_clear(sch)) {
+		/* Recheck device in case clear failed. */
+		sch->lpm = 0;
+		if (device_trigger_verify(sch) != 0) {
+			if(css_enqueue_subchannel_slow(sch->schid)) {
+				css_clear_subchannel_slow_list();
+				need_rescan = 1;
+			}
+		}
+		return;
+	}
+	/* Request retry of internal operation. */
+	device_set_intretry(sch);
+	/* Call handler. */
+	if (sch->driver && sch->driver->termination)
+		sch->driver->termination(&sch->dev);
+}
+
 static int
 s390_subchannel_remove_chpid(struct device *dev, void *data)
 {

@@ -208,37 +240,33 @@
 	if (sch->schib.pmcw.pim == 0x80)
 		goto out_unreg;
 
-	if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
-	    (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
-	    (sch->schib.pmcw.lpum == mask)) {
-		int cc;
-
-		cc = cio_clear(sch);
-		if (cc == -ENODEV)
+	if (check_for_io_on_path(sch, mask)) {
+		if (device_is_online(sch))
+			device_kill_io(sch);
+		else {
+			terminate_internal_io(sch);
+			/* Re-start path verification. */
+			if (sch->driver && sch->driver->verify)
+				sch->driver->verify(&sch->dev);
+		}
+	} else {
+		/* trigger path verification. */
+		if (sch->driver && sch->driver->verify)
+			sch->driver->verify(&sch->dev);
+		else if (sch->lpm == mask)
 			goto out_unreg;
-		/* Request retry of internal operation. */
-		device_set_intretry(sch);
-		/* Call handler. */
-		if (sch->driver && sch->driver->termination)
-			sch->driver->termination(&sch->dev);
-		goto out_unlock;
 	}
 
-	/* trigger path verification. */
-	if (sch->driver && sch->driver->verify)
-		sch->driver->verify(&sch->dev);
-	else if (sch->lpm == mask)
-		goto out_unreg;
-out_unlock:
 	spin_unlock_irq(sch->lock);
 	return 0;
+
 out_unreg:
-	spin_unlock_irq(sch->lock);
 	sch->lpm = 0;
 	if (css_enqueue_subchannel_slow(sch->schid)) {
 		css_clear_subchannel_slow_list();
 		need_rescan = 1;
 	}
+	spin_unlock_irq(sch->lock);
 	return 0;
 }
 

@@ -683,38 +711,6 @@
 	return rc;
 }
 
-static int check_for_io_on_path(struct subchannel *sch, int index)
-{
-	int cc;
-
-	cc = stsch(sch->schid, &sch->schib);
-	if (cc)
-		return 0;
-	if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == (0x80 >> index))
-		return 1;
-	return 0;
-}
-
-static void terminate_internal_io(struct subchannel *sch)
-{
-	if (cio_clear(sch)) {
-		/* Recheck device in case clear failed. */
-		sch->lpm = 0;
-		if (device_trigger_verify(sch) != 0) {
-			if(css_enqueue_subchannel_slow(sch->schid)) {
-				css_clear_subchannel_slow_list();
-				need_rescan = 1;
-			}
-		}
-		return;
-	}
-	/* Request retry of internal operation. */
-	device_set_intretry(sch);
-	/* Call handler. */
-	if (sch->driver && sch->driver->termination)
-		sch->driver->termination(&sch->dev);
-}
-
 static void __s390_subchannel_vary_chpid(struct subchannel *sch,
 					 struct chp_id chpid, int on)
 {

@@ -741,13 +737,17 @@
 		}
 		sch->opm &= ~(0x80 >> chp);
 		sch->lpm &= ~(0x80 >> chp);
-		if (check_for_io_on_path(sch, chp)) {
+		if (check_for_io_on_path(sch, (0x80 >> chp))) {
 			if (device_is_online(sch))
 				/* Path verification is done after killing. */
 				device_kill_io(sch);
-			else
+			else {
 				/* Kill and retry internal I/O. */
 				terminate_internal_io(sch);
+				/* Re-start path verification. */
+				if (sch->driver && sch->driver->verify)
+					sch->driver->verify(&sch->dev);
+			}
 		} else if (!sch->lpm) {
 			if (device_trigger_verify(sch) != 0) {
 				if (css_enqueue_subchannel_slow(sch->schid)) {

Index: quilt-2.6/drivers/s390/cio/chp.c
===================================================================
@@ -491,7 +491,7 @@
  * Handle channel-report-words indicating that the status of a channel-path
  * has changed.
  */
-int chp_process_crw(int id, int status)
+void chp_process_crw(int id, int status)
 {
 	struct chp_id chpid;
 

@@ -500,11 +500,9 @@
 	if (status) {
 		if (!chp_is_registered(chpid))
 			chp_new(chpid);
-		return chsc_chp_online(chpid);
-	} else {
+		chsc_chp_online(chpid);
+	} else
 		chsc_chp_offline(chpid);
-		return 0;
-	}
 }
 
 static inline int info_bit_num(struct chp_id id)

Index: quilt-2.6/drivers/s390/cio/chp.h
===================================================================
@@ -42,7 +42,7 @@
 u8 chp_get_sch_opm(struct subchannel *sch);
 int chp_is_registered(struct chp_id chpid);
 void *chp_get_chp_desc(struct chp_id chpid);
-int chp_process_crw(int id, int available);
+void chp_process_crw(int id, int available);
 void chp_remove_cmg_attr(struct channel_path *chp);
 int chp_add_cmg_attr(struct channel_path *chp);
 int chp_new(struct chp_id chpid);

316 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/chsc.h
===================================================================
@@ -36,7 +36,7 @@
 struct channel_path;
 
 extern int css_get_ssd_info(struct subchannel *);
-extern int chsc_process_crw(void);
+extern void chsc_process_crw(void);
 
 struct css_general_char {
 	u64 : 41;

@@ -79,7 +79,7 @@
 int chsc_chp_vary(struct chp_id chpid, int on);
 int chsc_determine_channel_path_description(struct chp_id chpid,
 					    struct channel_path_desc *desc);
-int chsc_chp_online(struct chp_id chpid);
+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);
 

209 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/css.h
===================================================================
@@ -146,7 +146,7 @@
 extern struct subchannel * get_subchannel_by_schid(struct subchannel_id);
 extern int css_init_done;
 extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
-extern int css_process_crw(int, int);
+extern void css_process_crw(int, int);
 extern void css_reiterate_subchannels(void);
 
 #define __MAX_SUBCHANNEL 65535

@@ -186,16 +186,12 @@
 void device_kill_pending_timer(struct subchannel *);
 
 /* Helper functions to build lists for the slow path. */
-extern int css_enqueue_subchannel_slow(struct subchannel_id schid);
-void css_walk_subchannel_slow_list(void (*fn)(unsigned long));
-void css_clear_subchannel_slow_list(void);
-int css_slow_subchannels_exist(void);
-extern int need_rescan;
+void css_schedule_eval(struct subchannel_id schid);
+void css_schedule_eval_all(void);
 
 int sch_is_pseudo_sch(struct subchannel *);
 
 extern struct workqueue_struct *slow_path_wq;
-extern struct work_struct slow_path_work;
 
 int subchannel_add_files (struct device *);
 extern struct attribute_group *subch_attr_groups[];

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -222,10 +222,8 @@
 		if (old_lpm & mask)
 			continue;
 		chpid.id = sch->schib.pmcw.chpid[i];
-		if (!chp_is_registered(chpid)) {
-			need_rescan = 1;
-			queue_work(slow_path_wq, &slow_path_work);
-		}
+		if (!chp_is_registered(chpid))
+			css_schedule_eval_all();
 	}
 }
 

112 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/idset.h
===================================================================
@@ -0,0 +1,25 @@
+/*
+ *  drivers/s390/cio/idset.h
+ *
+ *    Copyright IBM Corp. 2007
+ *    Author(s): Peter Oberparleiter <[email protected]>
+ */
+
+#ifndef S390_IDSET_H
+#define S390_IDSET_H S390_IDSET_H
+
+#include "schid.h"
+
+struct idset;
+
+void idset_free(struct idset *set);
+void idset_clear(struct idset *set);
+void idset_fill(struct idset *set);
+
+struct idset *idset_sch_new(void);
+void idset_sch_add(struct idset *set, struct subchannel_id id);
+void idset_sch_del(struct idset *set, struct subchannel_id id);
+int idset_sch_contains(struct idset *set, struct subchannel_id id);
+int idset_sch_get_first(struct idset *set, struct subchannel_id *id);
+
+#endif /* S390_IDSET_H */

Index: quilt-2.6/drivers/s390/s390mach.c
===================================================================
@@ -45,14 +45,13 @@
 s390_collect_crw_info(void *param)
 {
 	struct crw crw[2];
-	int ccode, ret, slow;
+	int ccode;
 	struct semaphore *sem;
 	unsigned int chain;
 
 	sem = (struct semaphore *)param;
 repeat:
 	down_interruptible(sem);
-	slow = 0;
 	chain = 0;
 	while (1) {
 		if (unlikely(chain > 1)) {

@@ -85,9 +84,8 @@
 		/* Check for overflows. */
 		if (crw[chain].oflw) {
 			pr_debug("%s: crw overflow detected!\n", __FUNCTION__);
-			css_reiterate_subchannels();
+			css_schedule_eval_all();
 			chain = 0;
-			slow = 1;
 			continue;
 		}
 		switch (crw[chain].rsc) {

@@ -95,10 +93,7 @@
 			if (crw[0].chn && !chain)
 				break;
 			pr_debug("source is subchannel %04X\n", crw[0].rsid);
-			ret = css_process_crw (crw[0].rsid,
-					       chain ? crw[1].rsid : 0);
-			if (ret == -EAGAIN)
-				slow = 1;
+			css_process_crw(crw[0].rsid, chain ? crw[1].rsid : 0);
 			break;
 		case CRW_RSC_MONITOR:
 			pr_debug("source is monitoring facility\n");

@@ -117,28 +112,23 @@
 			}
 			switch (crw[0].erc) {
 			case CRW_ERC_IPARM: /* Path has come. */
-				ret = chp_process_crw(crw[0].rsid, 1);
+				chp_process_crw(crw[0].rsid, 1);
 				break;
 			case CRW_ERC_PERRI: /* Path has gone. */
 			case CRW_ERC_PERRN:
-				ret = chp_process_crw(crw[0].rsid, 0);
+				chp_process_crw(crw[0].rsid, 0);
 				break;
 			default:
 				pr_debug("Don't know how to handle erc=%x\n",
 					 crw[0].erc);
-				ret = 0;
 			}
-			if (ret == -EAGAIN)
-				slow = 1;
 			break;
 		case CRW_RSC_CONFIG:
 			pr_debug("source is configuration-alert facility\n");
 			break;
 		case CRW_RSC_CSS:
 			pr_debug("source is channel subsystem\n");
-			ret = chsc_process_crw();
-			if (ret == -EAGAIN)
-				slow = 1;
+			chsc_process_crw();
 			break;
 		default:
 			pr_debug("unknown source\n");

@@ -147,8 +137,6 @@
 		/* chain is always 0 or 1 here. */
 		chain = crw[chain].chn ? chain + 1 : 0;
 	}
-	if (slow)
-		queue_work(slow_path_wq, &slow_path_work);
 	goto repeat;
 	return 0;
 }

Index: quilt-2.6/drivers/s390/cio/chsc.c
===================================================================
@@ -26,155 +26,84 @@
 
 static void *sei_page;
 
-/* FIXME: this is _always_ called for every subchannel. shouldn't we
- *	  process more than one at a time? */
-static int
-chsc_get_sch_desc_irq(struct subchannel *sch, void *page)
-{
-	int ccode, j;
-
-	struct {
-		struct chsc_header request;
-		u16 reserved1a:10;
-		u16 ssid:2;
-		u16 reserved1b:4;
-		u16 f_sch;	  /* first subchannel */
-		u16 reserved2;
-		u16 l_sch;	  /* last subchannel */
-		u32 reserved3;
-		struct chsc_header response;
-		u32 reserved4;
-		u8 sch_valid : 1;
-		u8 dev_valid : 1;
-		u8 st	     : 3; /* subchannel type */
-		u8 zeroes    : 3;
-		u8  unit_addr;	  /* unit address */
-		u16 devno;	  /* device number */
-		u8 path_mask;
-		u8 fla_valid_mask;
-		u16 sch;	  /* subchannel */
-		u8 chpid[8];	  /* chpids 0-7 */
-		u16 fla[8];	  /* full link addresses 0-7 */
-	} __attribute__ ((packed)) *ssd_area;
+struct chsc_ssd_area {
+	struct chsc_header request;
+	u16 :10;
+	u16 ssid:2;
+	u16 :4;
+	u16 f_sch;	  /* first subchannel */
+	u16 :16;
+	u16 l_sch;	  /* last subchannel */
+	u32 :32;
+	struct chsc_header response;
+	u32 :32;
+	u8 sch_valid : 1;
+	u8 dev_valid : 1;
+	u8 st	     : 3; /* subchannel type */
+	u8 zeroes    : 3;
+	u8  unit_addr;	  /* unit address */
+	u16 devno;	  /* device number */
+	u8 path_mask;
+	u8 fla_valid_mask;
+	u16 sch;	  /* subchannel */
+	u8 chpid[8];	  /* chpids 0-7 */
+	u16 fla[8];	  /* full link addresses 0-7 */
+} __attribute__ ((packed));
 
-	ssd_area = page;
+int chsc_get_ssd_info(struct subchannel_id schid, struct chsc_ssd_info *ssd)
+{
+	unsigned long page;
+	struct chsc_ssd_area *ssd_area;
+	int ccode;
+	int ret;
+	int i;
+	int mask;
 
+	page = get_zeroed_page(GFP_KERNEL | GFP_DMA);
+	if (!page)
+		return -ENOMEM;
+	ssd_area = (struct chsc_ssd_area *) page;
 	ssd_area->request.length = 0x0010;
 	ssd_area->request.code = 0x0004;
-
-	ssd_area->ssid = sch->schid.ssid;
-	ssd_area->f_sch = sch->schid.sch_no;
-	ssd_area->l_sch = sch->schid.sch_no;
+	ssd_area->ssid = schid.ssid;
+	ssd_area->f_sch = schid.sch_no;
+	ssd_area->l_sch = schid.sch_no;
 
 	ccode = chsc(ssd_area);
+	/* Check response. */
 	if (ccode > 0) {
-		pr_debug("chsc returned with ccode = %d\n", ccode);
-		return (ccode == 3) ? -ENODEV : -EBUSY;
+		ret = (ccode == 3) ? -ENODEV : -EBUSY;
+		goto out_free;
 	}
-
-	switch (ssd_area->response.code) {
-	case 0x0001: /* everything ok */
-		break;
-	case 0x0002:
-		CIO_CRW_EVENT(2, "Invalid command!\n");
-		return -EINVAL;
-	case 0x0003:
-		CIO_CRW_EVENT(2, "Error in chsc request block!\n");
-		return -EINVAL;
-	case 0x0004:
-		CIO_CRW_EVENT(2, "Model does not provide ssd\n");
-		return -EOPNOTSUPP;
-	default:
-		CIO_CRW_EVENT(2, "Unknown CHSC response %d\n",
+	if (ssd_area->response.code != 0x0001) {
+		CIO_MSG_EVENT(2, "chsc: ssd failed for 0.%x.%04x (rc=%04x)\n",
+			      schid.ssid, schid.sch_no,
 			      ssd_area->response.code);
-		return -EIO;
+		ret = -EIO;
+		goto out_free;
 	}
-
-	/*
-	 * ssd_area->st stores the type of the detected
-	 * subchannel, with the following definitions:
-	 *
-	 * 0: I/O subchannel:	  All fields have meaning
-	 * 1: CHSC subchannel:	  Only sch_val, st and sch
-	 *			  have meaning
-	 * 2: Message subchannel: All fields except unit_addr
-	 *			  have meaning
-	 * 3: ADM subchannel:	  Only sch_val, st and sch
-	 *			  have meaning
-	 *
-	 * Other types are currently undefined.
-	 */
-	if (ssd_area->st > 3) { /* uhm, that looks strange... */
-		CIO_CRW_EVENT(0, "Strange subchannel type %d"
-			      " for sch 0.%x.%04x\n", ssd_area->st,
-			      sch->schid.ssid, sch->schid.sch_no);
-		/*
-		 * There may have been a new subchannel type defined in the
-		 * time since this code was written; since we don't know which
-		 * fields have meaning and what to do with it we just jump out
-		 */
-		return 0;
-	} else {
-		const char *type[4] = {"I/O", "chsc", "message", "ADM"};
-		CIO_CRW_EVENT(6, "ssd: sch 0.%x.%04x is %s subchannel\n",
-			      sch->schid.ssid, sch->schid.sch_no,
-			      type[ssd_area->st]);
-
-		sch->ssd_info.valid = 1;
-		sch->ssd_info.type = ssd_area->st;
-	}
-
-	if (ssd_area->st == 0 || ssd_area->st == 2) {
-		for (j = 0; j < 8; j++) {
-			if (!((0x80 >> j) & ssd_area->path_mask &
-			      ssd_area->fla_valid_mask))
-				continue;
-			sch->ssd_info.chpid[j] = ssd_area->chpid[j];
-			sch->ssd_info.fla[j]   = ssd_area->fla[j];
-		}
+	if (!ssd_area->sch_valid) {
+		ret = -ENODEV;
+		goto out_free;
 	}
-	return 0;
-}
-
-int
-css_get_ssd_info(struct subchannel *sch)
-{
-	int ret;
-	void *page;
-
-	page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
-	if (!page)
-		return -ENOMEM;
-	spin_lock_irq(sch->lock);
-	ret = chsc_get_sch_desc_irq(sch, page);
-	if (ret) {
-		static int cio_chsc_err_msg;
-		
-		if (!cio_chsc_err_msg) {
-			printk(KERN_ERR
-			       "chsc_get_sch_descriptions:"
-			       " Error %d while doing chsc; "
-			       "processing some machine checks may "
-			       "not work\n", ret);
-			cio_chsc_err_msg = 1;
-		}
-	}
-	spin_unlock_irq(sch->lock);
-	free_page((unsigned long)page);
-	if (!ret) {
-		int j, mask;
-		struct chp_id chpid;
-
-		chp_id_init(&chpid);
-		/* Allocate channel path structures, if needed. */
-		for (j = 0; j < 8; j++) {
-			mask = 0x80 >> j;
-			chpid.id = sch->ssd_info.chpid[j];
-			if ((sch->schib.pmcw.pim & mask) &&
-			    !chp_is_registered(chpid))
-				chp_new(chpid);
+	/* Copy data */
+	ret = 0;
+	memset(ssd, 0, sizeof(struct chsc_ssd_info));
+	if ((ssd_area->st != 0) && (ssd_area->st != 2))
+		goto out_free;
+	ssd->path_mask = ssd_area->path_mask;
+	ssd->fla_valid_mask = ssd_area->fla_valid_mask;
+	for (i = 0; i < 8; i++) {
+		mask = 0x80 >> i;
+		if (ssd_area->path_mask & mask) {
+			chp_id_init(&ssd->chpid[i]);
+			ssd->chpid[i].id = ssd_area->chpid[i];
 		}
+		if (ssd_area->fla_valid_mask & mask)
+			ssd->fla[i] = ssd_area->fla[i];
 	}
+out_free:
+	free_page(page);
 	return ret;
 }
 

@@ -276,47 +205,6 @@
 			 s390_subchannel_remove_chpid);
 }
 
-struct res_acc_data {
-	struct chp_id chpid;
-	u32 fla_mask;
-	u16 fla;
-};
-
-static int s390_process_res_acc_sch(struct res_acc_data *res_data,
-				    struct subchannel *sch)
-{
-	int found;
-	int chp;
-	int ccode;
-
-	found = 0;
-	for (chp = 0; chp <= 7; chp++)
-		/*
-		 * check if chpid is in information updated by ssd
-		 */
-		if (sch->ssd_info.valid &&
-		    sch->ssd_info.chpid[chp] == res_data->chpid.id &&
-		    (sch->ssd_info.fla[chp] & res_data->fla_mask)
-		    == res_data->fla) {
-			found = 1;
-			break;
-		}
-
-	if (found == 0)
-		return 0;
-
-	/*
-	 * Do a stsch to update our subchannel structure with the
-	 * new path information and eventually check for logically
-	 * offline chpids.
-	 */
-	ccode = stsch(sch->schid, &sch->schib);
-	if (ccode > 0)
-		return 0;
-
-	return 0x80 >> chp;
-}
-
 static int
 s390_process_res_acc_new_sch(struct subchannel_id schid)
 {

@@ -338,6 +226,32 @@
 	return 0;
 }
 
+struct res_acc_data {
+	struct chp_id chpid;
+	u32 fla_mask;
+	u16 fla;
+};
+
+static int get_res_chpid_mask(struct chsc_ssd_info *ssd,
+			      struct res_acc_data *data)
+{
+	int i;
+	int mask;
+
+	for (i = 0; i < 8; i++) {
+		mask = 0x80 >> i;
+		if (!(ssd->path_mask & mask))
+			continue;
+		if (!chp_id_is_equal(&ssd->chpid[i], &data->chpid))
+			continue;
+		if ((ssd->fla_valid_mask & mask) &&
+		    ((ssd->fla[i] & data->fla_mask) != data->fla))
+			continue;
+		return mask;
+	}
+	return 0;
+}
+
 static int
 __s390_process_res_acc(struct subchannel_id schid, void *data)
 {

@@ -352,14 +266,11 @@
 		return s390_process_res_acc_new_sch(schid);
 
 	spin_lock_irq(sch->lock);
-
-	chp_mask = s390_process_res_acc_sch(res_data, sch);
-
-	if (chp_mask == 0) {
-		spin_unlock_irq(sch->lock);
-		put_device(&sch->dev);
-		return 0;
-	}
+	chp_mask = get_res_chpid_mask(&sch->ssd_info, res_data);
+	if (chp_mask == 0)
+		goto out;
+	if (stsch(sch->schid, &sch->schib))
+		goto out;
 	old_lpm = sch->lpm;
 	sch->lpm = ((sch->schib.pmcw.pim &
 		     sch->schib.pmcw.pam &

@@ -369,13 +280,12 @@
 		device_trigger_reprobe(sch);
 	else if (sch->driver && sch->driver->verify)
 		sch->driver->verify(&sch->dev);
-
+out:
 	spin_unlock_irq(sch->lock);
 	put_device(&sch->dev);
 	return 0;
 }
 
-
 static void s390_process_res_acc (struct res_acc_data *res_data)
 {
 	char dbf_txt[15];

@@ -661,29 +571,30 @@
 					 struct chp_id chpid, int on)
 {
 	int chp, old_lpm;
+	int mask;
 	unsigned long flags;
 
-	if (!sch->ssd_info.valid)
-		return;
-	
 	spin_lock_irqsave(sch->lock, flags);
 	old_lpm = sch->lpm;
 	for (chp = 0; chp < 8; chp++) {
-		if (sch->ssd_info.chpid[chp] != chpid.id)
+		mask = 0x80 >> chp;
+		if (!(sch->ssd_info.path_mask & mask))
+			continue;
+		if (!chp_id_is_equal(&sch->ssd_info.chpid[chp], &chpid))
 			continue;
 
 		if (on) {
-			sch->opm |= (0x80 >> chp);
-			sch->lpm |= (0x80 >> chp);
+			sch->opm |= mask;
+			sch->lpm |= mask;
 			if (!old_lpm)
 				device_trigger_reprobe(sch);
 			else if (sch->driver && sch->driver->verify)
 				sch->driver->verify(&sch->dev);
 			break;
 		}
-		sch->opm &= ~(0x80 >> chp);
-		sch->lpm &= ~(0x80 >> chp);
-		if (check_for_io_on_path(sch, (0x80 >> chp))) {
+		sch->opm &= ~mask;
+		sch->lpm &= ~mask;
+		if (check_for_io_on_path(sch, mask)) {
 			if (device_is_online(sch))
 				/* Path verification is done after killing. */
 				device_kill_io(sch);

Index: quilt-2.6/drivers/s390/cio/chsc.h
===================================================================
@@ -4,6 +4,7 @@
 #include <linux/types.h>
 #include <linux/device.h>
 #include <asm/chpid.h>
+#include "schid.h"
 
 #define CHSC_SDA_OC_MSS   0x2
 

@@ -35,7 +36,6 @@
 
 struct channel_path;
 
-extern int css_get_ssd_info(struct subchannel *);
 extern void chsc_process_crw(void);
 
 struct css_general_char {

@@ -69,6 +69,14 @@
 extern struct css_general_char css_general_characteristics;
 extern struct css_chsc_char css_chsc_characteristics;
 
+struct chsc_ssd_info {
+	u8 path_mask;
+	u8 fla_valid_mask;
+	struct chp_id chpid[8];
+	u16 fla[8];
+};
+extern int chsc_get_ssd_info(struct subchannel_id schid,
+			     struct chsc_ssd_info *ssd);
 extern int chsc_determine_css_characteristics(void);
 extern int css_characteristics_avail;
 

Index: quilt-2.6/drivers/s390/cio/cio.h
===================================================================
@@ -1,19 +1,11 @@
 #ifndef S390_CIO_H
 #define S390_CIO_H
 
-#include "schid.h"
 #include <linux/mutex.h>
 #include <linux/device.h>
-
-/*
- * where we put the ssd info
- */
-struct ssd_info {
-	__u8  valid:1;
-	__u8  type:7;		/* subchannel type */
-	__u8  chpid[8];		/* chpids */
-	__u16 fla[8];		/* full link addresses */
-} __attribute__ ((packed));
+#include <asm/chpid.h>
+#include "chsc.h"
+#include "schid.h"
 
 /*
  * path management control word

@@ -109,7 +101,7 @@
 	struct schib schib;	/* subchannel information block */
 	struct orb orb;		/* operation request block */
 	struct ccw1 sense_ccw;	/* static ccw for sense command */
-	struct ssd_info ssd_info;	/* subchannel description */
+	struct chsc_ssd_info ssd_info;	/* subchannel description */
 	struct device dev;	/* entry in device tree */
 	struct css_driver *driver;
 } __attribute__ ((aligned(8)));

71 lines not on this page · raw message

Index: quilt-2.6/drivers/s390/cio/css.h
===================================================================
@@ -148,6 +148,7 @@
 extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
 extern void css_process_crw(int, int);
 extern void css_reiterate_subchannels(void);
+void css_update_ssd_info(struct subchannel *sch);
 
 #define __MAX_SUBCHANNEL 65535
 #define __MAX_SSID 3

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -216,12 +216,18 @@
 chpids_show (struct device * dev, struct device_attribute *attr, char * buf)
 {
 	struct subchannel *sch = to_subchannel(dev);
-	struct ssd_info *ssd = &sch->ssd_info;
+	struct chsc_ssd_info *ssd = &sch->ssd_info;
 	ssize_t ret = 0;
 	int chp;
+	int mask;
 
-	for (chp = 0; chp < 8; chp++)
-		ret += sprintf (buf+ret, "%02x ", ssd->chpid[chp]);
+	for (chp = 0; chp < 8; chp++) {
+		mask = 0x80 >> chp;
+		if (ssd->path_mask & mask)
+			ret += sprintf(buf + ret, "%02x ", ssd->chpid[chp].id);
+		else
+			ret += sprintf(buf + ret, "00 ");
+	}
 	ret += sprintf (buf+ret, "\n");
 	return min((ssize_t)PAGE_SIZE, ret);
 }

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -246,6 +246,7 @@
 	 */
 	old_lpm = sch->lpm;
 	stsch(sch->schid, &sch->schib);
+	css_update_ssd_info(sch);
 	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 	/* Check since device may again have become not operational. */
 	if (!sch->schib.pmcw.dnv)

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -743,6 +743,7 @@
 static void sch_attach_device(struct subchannel *sch,
 			      struct ccw_device *cdev)
 {
+	css_update_ssd_info(sch);
 	spin_lock_irq(sch->lock);
 	sch->dev.driver_data = cdev;
 	cdev->private->schid = sch->schid;

@@ -878,7 +879,7 @@
 	priv = container_of(work, struct ccw_device_private, kick_work);
 	cdev = priv->cdev;
 	sch = to_subchannel(cdev->dev.parent);
-
+	css_update_ssd_info(sch);
 	/*
 	 * io_subchannel_register() will also be called after device
 	 * recognition has been done for a boxed device (which will already

Index: quilt-2.6/drivers/s390/cio/device_fsm.c
===================================================================
@@ -246,7 +246,6 @@
 	 */
 	old_lpm = sch->lpm;
 	stsch(sch->schid, &sch->schib);
-	css_update_ssd_info(sch);
 	sch->lpm = sch->schib.pmcw.pam & sch->opm;
 	/* Check since device may again have become not operational. */
 	if (!sch->schib.pmcw.dnv)

Index: quilt-2.6/drivers/s390/cio/ccwgroup.c
===================================================================
@@ -75,8 +75,10 @@
 {
 	struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
 
+	mutex_lock(&gdev->reg_mutex);
 	__ccwgroup_remove_symlinks(gdev);
 	device_unregister(dev);
+	mutex_unlock(&gdev->reg_mutex);
 }
 
 static ssize_t

@@ -173,7 +175,8 @@
 		return -ENOMEM;
 
 	atomic_set(&gdev->onoff, 0);
-
+	mutex_init(&gdev->reg_mutex);
+	mutex_lock(&gdev->reg_mutex);
 	for (i = 0; i < argc; i++) {
 		gdev->cdev[i] = get_ccwdev_by_busid(cdrv, argv[i]);
 

@@ -183,12 +186,12 @@
 		    || gdev->cdev[i]->id.driver_info !=
 		    gdev->cdev[0]->id.driver_info) {
 			rc = -EINVAL;
-			goto free_dev;
+			goto error;
 		}
 		/* Don't allow a device to belong to more than one group. */
 		if (gdev->cdev[i]->dev.driver_data) {
 			rc = -EINVAL;
-			goto free_dev;
+			goto error;
 		}
 		gdev->cdev[i]->dev.driver_data = gdev;
 	}

@@ -203,9 +206,8 @@
 			gdev->cdev[0]->dev.bus_id);
 
 	rc = device_register(&gdev->dev);
-	
 	if (rc)
-		goto free_dev;
+		goto error;
 	get_device(&gdev->dev);
 	rc = device_create_file(&gdev->dev, &dev_attr_ungroup);
 

@@ -216,6 +218,7 @@
 
 	rc = __ccwgroup_create_symlinks(gdev);
 	if (!rc) {
+		mutex_unlock(&gdev->reg_mutex);
 		put_device(&gdev->dev);
 		return 0;
 	}

@@ -224,19 +227,12 @@
 error:
 	for (i = 0; i < argc; i++)
 		if (gdev->cdev[i]) {
-			put_device(&gdev->cdev[i]->dev);
-			gdev->cdev[i]->dev.driver_data = NULL;
-		}
-	put_device(&gdev->dev);
-	return rc;
-free_dev:
-	for (i = 0; i < argc; i++)
-		if (gdev->cdev[i]) {
 			if (gdev->cdev[i]->dev.driver_data == gdev)
 				gdev->cdev[i]->dev.driver_data = NULL;
 			put_device(&gdev->cdev[i]->dev);
 		}
-	kfree(gdev);
+	mutex_unlock(&gdev->reg_mutex);
+	put_device(&gdev->dev);
 	return rc;
 }
 

@@ -422,8 +418,12 @@
 	get_driver(&cdriver->driver);
 	while ((dev = driver_find_device(&cdriver->driver, NULL, NULL,
 					 __ccwgroup_match_all))) {
-		__ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
+		struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
+
+		mutex_lock(&gdev->reg_mutex);
+		__ccwgroup_remove_symlinks(gdev);
 		device_unregister(dev);
+		mutex_unlock(&gdev->reg_mutex);
 		put_device(dev);
 	}
 	put_driver(&cdriver->driver);

@@ -444,8 +444,10 @@
 	if (cdev->dev.driver_data) {
 		gdev = (struct ccwgroup_device *)cdev->dev.driver_data;
 		if (get_device(&gdev->dev)) {
+			mutex_lock(&gdev->reg_mutex);
 			if (device_is_registered(&gdev->dev))
 				return gdev;
+			mutex_unlock(&gdev->reg_mutex);
 			put_device(&gdev->dev);
 		}
 		return NULL;

@@ -465,6 +467,7 @@
 	if (gdev) {
 		__ccwgroup_remove_symlinks(gdev);
 		device_unregister(&gdev->dev);
+		mutex_unlock(&gdev->reg_mutex);
 		put_device(&gdev->dev);
 	}
 }

Index: quilt-2.6/include/asm-s390/ccwgroup.h
===================================================================
@@ -11,6 +11,7 @@
 		CCWGROUP_ONLINE,
 	} state;
 	atomic_t onoff;
+	struct mutex reg_mutex;
 	unsigned int count;		/* number of attached slave devices */
 	struct device	dev;		/* master device		    */
 	struct ccw_device *cdev[0];	/* variable number, allocate as needed */

Index: quilt-2.6/drivers/s390/cio/chsc.c
===================================================================
@@ -818,7 +818,7 @@
 		} else
 			chsc_remove_cmg_attr(css);
 	}
-	if (enable && !css->cm_enabled) {
+	if (!css->cm_enabled) {
 		free_page((unsigned long)css->cub_addr1);
 		free_page((unsigned long)css->cub_addr2);
 	}

Index: quilt-2.6/drivers/s390/cio/device.c
===================================================================
@@ -290,16 +290,10 @@
 	return sch_is_pseudo_sch(to_subchannel(cdev->dev.parent));
 }
 
-static void ccw_device_unregister(struct work_struct *work)
+static void ccw_device_unregister(struct ccw_device *cdev)
 {
-	struct ccw_device_private *priv;
-	struct ccw_device *cdev;
-
-	priv = container_of(work, struct ccw_device_private, kick_work);
-	cdev = priv->cdev;
 	if (test_and_clear_bit(1, &cdev->private->registered))
-		device_unregister(&cdev->dev);
-	put_device(&cdev->dev);
+		device_del(&cdev->dev);
 }
 
 static void

@@ -316,11 +310,8 @@
 		spin_lock_irqsave(cdev->ccwlock, flags);
 		cdev->private->state = DEV_STATE_NOT_OPER;
 		spin_unlock_irqrestore(cdev->ccwlock, flags);
-		if (get_device(&cdev->dev)) {
-			PREPARE_WORK(&cdev->private->kick_work,
-				     ccw_device_unregister);
-			queue_work(ccw_device_work, &cdev->private->kick_work);
-		}
+		ccw_device_unregister(cdev);
+		put_device(&cdev->dev);
 		return ;
 	}
 	sch = to_subchannel(cdev->dev.parent);

@@ -555,17 +546,10 @@
 	.attrs = ccwdev_attrs,
 };
 
-static int
-device_add_files (struct device *dev)
-{
-	return sysfs_create_group(&dev->kobj, &ccwdev_attr_group);
-}
-
-static void
-device_remove_files(struct device *dev)
-{
-	sysfs_remove_group(&dev->kobj, &ccwdev_attr_group);
-}
+struct attribute_group *ccwdev_attr_groups[] = {
+	&ccwdev_attr_group,
+	NULL,
+};
 
 /* this is a simple abstraction for device_register that sets the
  * correct bus type and adds the bus specific files */

@@ -580,10 +564,6 @@
 		return ret;
 
 	set_bit(1, &cdev->private->registered);
-	if ((ret = device_add_files(dev))) {
-		if (test_and_clear_bit(1, &cdev->private->registered))
-			device_del(dev);
-	}
 	return ret;
 }
 

@@ -655,10 +635,6 @@
 		return;
 	}
 	set_bit(1, &cdev->private->registered);
-	if (device_add_files(&cdev->dev)) {
-		if (test_and_clear_bit(1, &cdev->private->registered))
-			device_unregister(&cdev->dev);
-	}
 }
 
 void ccw_device_do_unreg_rereg(struct work_struct *work)

@@ -671,9 +647,7 @@
 	cdev = priv->cdev;
 	sch = to_subchannel(cdev->dev.parent);
 
-	device_remove_files(&cdev->dev);
-	if (test_and_clear_bit(1, &cdev->private->registered))
-		device_del(&cdev->dev);
+	ccw_device_unregister(cdev);
 	PREPARE_WORK(&cdev->private->kick_work,
 		     ccw_device_add_changed);
 	queue_work(ccw_device_work, &cdev->private->kick_work);

@@ -712,6 +686,7 @@
 	cdev->dev.parent = &sch->dev;
 	cdev->dev.release = ccw_device_release;
 	INIT_LIST_HEAD(&cdev->private->kick_work.entry);
+	cdev->dev.groups = ccwdev_attr_groups;
 	/* Do first half of device_register. */
 	device_initialize(&cdev->dev);
 	if (!get_device(&sch->dev)) {

@@ -1141,15 +1116,8 @@
 	sch->dev.driver_data = NULL;
 	cdev->private->state = DEV_STATE_NOT_OPER;
 	spin_unlock_irqrestore(cdev->ccwlock, flags);
-	/*
-	 * Put unregistration on workqueue to avoid livelocks on the css bus
-	 * semaphore.
-	 */
-	if (get_device(&cdev->dev)) {
-		PREPARE_WORK(&cdev->private->kick_work,
-			     ccw_device_unregister);
-		queue_work(ccw_device_work, &cdev->private->kick_work);
-	}
+	ccw_device_unregister(cdev);
+	put_device(&cdev->dev);
 	return 0;
 }
 

Index: quilt-2.6/arch/s390/kernel/compat_linux.c
===================================================================
@@ -495,29 +495,34 @@
  * sys32_execve() executes a new program after the asm stub has set
  * things up for us.  This should basically do what I want it to.
  */
-asmlinkage long
-sys32_execve(struct pt_regs regs)
+asmlinkage long sys32_execve(void)
 {
-        int error;
-        char * filename;
-
-        filename = getname(compat_ptr(regs.orig_gpr2));
-        error = PTR_ERR(filename);
-        if (IS_ERR(filename))
+	struct pt_regs *regs = task_pt_regs(current);
+	char *filename;
+	unsigned long result;
+	int rc;
+
+	filename = getname(compat_ptr(regs->orig_gpr2));
+	if (IS_ERR(filename)) {
+		result = PTR_ERR(filename);
                 goto out;
-        error = compat_do_execve(filename, compat_ptr(regs.gprs[3]),
-				 compat_ptr(regs.gprs[4]), &regs);
-	if (error == 0)
-	{
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-		task_unlock(current);
-		current->thread.fp_regs.fpc=0;
-		asm volatile("sfpc %0,0" : : "d" (0));
 	}
+	rc = compat_do_execve(filename, compat_ptr(regs->gprs[3]),
+			      compat_ptr(regs->gprs[4]), regs);
+	if (rc) {
+		result = rc;
+		goto out_putname;
+	}
+	task_lock(current);
+	current->ptrace &= ~PT_DTRACE;
+	task_unlock(current);
+	current->thread.fp_regs.fpc=0;
+	asm volatile("sfpc %0,0" : : "d" (0));
+	result = regs->gprs[2];
+out_putname:
         putname(filename);
 out:
-        return error;
+	return result;
 }
 
 

@@ -918,19 +923,20 @@
 	return sys_write(fd, buf, count);
 }
 
-asmlinkage long sys32_clone(struct pt_regs regs)
+asmlinkage long sys32_clone(void)
 {
-        unsigned long clone_flags;
-        unsigned long newsp;
+	struct pt_regs *regs = task_pt_regs(current);
+	unsigned long clone_flags;
+	unsigned long newsp;
 	int __user *parent_tidptr, *child_tidptr;
 
-        clone_flags = regs.gprs[3] & 0xffffffffUL;
-        newsp = regs.orig_gpr2 & 0x7fffffffUL;
-	parent_tidptr = compat_ptr(regs.gprs[4]);
-	child_tidptr = compat_ptr(regs.gprs[5]);
-        if (!newsp)
-                newsp = regs.gprs[15];
-        return do_fork(clone_flags, newsp, &regs, 0,
+	clone_flags = regs->gprs[3] & 0xffffffffUL;
+	newsp = regs->orig_gpr2 & 0x7fffffffUL;
+	parent_tidptr = compat_ptr(regs->gprs[4]);
+	child_tidptr = compat_ptr(regs->gprs[5]);
+	if (!newsp)
+		newsp = regs->gprs[15];
+	return do_fork(clone_flags, newsp, regs, 0,
 		       parent_tidptr, child_tidptr);
 }
 

Index: quilt-2.6/arch/s390/kernel/compat_signal.c
===================================================================
@@ -255,9 +255,9 @@
 }
 
 asmlinkage long
-sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss,
-							struct pt_regs *regs)
+sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	stack_t kss, koss;
 	unsigned long ss_sp;
 	int ret, err = 0;

@@ -344,8 +344,9 @@
 	return 0;
 }
 
-asmlinkage long sys32_sigreturn(struct pt_regs *regs)
+asmlinkage long sys32_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15];
 	sigset_t set;
 

@@ -370,8 +371,9 @@
 	return 0;
 }
 
-asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
+asmlinkage long sys32_rt_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15];
 	sigset_t set;
 	stack_t st;

@@ -407,8 +409,8 @@
 	return regs->gprs[2];
 
 badframe:
-        force_sig(SIGSEGV, current);
-        return 0;
+	force_sig(SIGSEGV, current);
+	return 0;
 }	
 
 /*

112 lines not on this page · raw message

Index: quilt-2.6/arch/s390/kernel/signal.c
===================================================================
@@ -102,9 +102,9 @@
 }
 
 asmlinkage long
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
-					struct pt_regs *regs)
+sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	return do_sigaltstack(uss, uoss, regs->gprs[15]);
 }
 

@@ -163,8 +163,9 @@
 	return 0;
 }
 
-asmlinkage long sys_sigreturn(struct pt_regs *regs)
+asmlinkage long sys_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	sigframe __user *frame = (sigframe __user *)regs->gprs[15];
 	sigset_t set;
 

@@ -189,8 +190,9 @@
 	return 0;
 }
 
-asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
+asmlinkage long sys_rt_sigreturn(void)
 {
+	struct pt_regs *regs = task_pt_regs(current);
 	rt_sigframe __user *frame = (rt_sigframe __user *)regs->gprs[15];
 	sigset_t set;
 

Index: quilt-2.6/arch/s390/kernel/sys_s390.c
===================================================================
@@ -266,23 +266,3 @@
 		return -EFAULT;
 	return sys_fadvise64_64(a.fd, a.offset, a.len, a.advice);
 }
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
-	register const char *__arg1 asm("2") = filename;
-	register char *const*__arg2 asm("3") = argv;
-	register char *const*__arg3 asm("4") = envp;
-	register long __svcres asm("2");
-	asm volatile(
-		"svc %b1"
-		: "=d" (__svcres)
-		: "i" (__NR_execve),
-		  "0" (__arg1),
-		  "d" (__arg2),
-		  "d" (__arg3) : "memory");
-	return __svcres;
-}

Index: quilt-2.6/arch/s390/kernel/dis.c
===================================================================
@@ -0,0 +1,1278 @@
+/*
+ * arch/s390/kernel/dis.c
+ *
+ * Disassemble s390 instructions.
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Martin Schwidefsky ([email protected]),
+ */
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/smp_lock.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/reboot.h>
+#include <linux/kprobes.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/atomic.h>
+#include <asm/mathemu.h>
+#include <asm/cpcmd.h>
+#include <asm/s390_ext.h>
+#include <asm/lowcore.h>
+#include <asm/debug.h>
+#include <asm/kdebug.h>
+
+#ifndef CONFIG_64BIT
+#define ONELONG "%08lx: "
+#else /* CONFIG_64BIT */
+#define ONELONG "%016lx: "
+#endif /* CONFIG_64BIT */
+
+#define OPERAND_GPR	0x1	/* Operand printed as %rx */
+#define OPERAND_FPR	0x2	/* Operand printed as %fx */
+#define OPERAND_AR	0x4	/* Operand printed as %ax */
+#define OPERAND_CR	0x8	/* Operand printed as %cx */
+#define OPERAND_DISP	0x10	/* Operand printed as displacement */
+#define OPERAND_BASE	0x20	/* Operand printed as base register */
+#define OPERAND_INDEX	0x40	/* Operand printed as index register */
+#define OPERAND_PCREL	0x80	/* Operand printed as pc-relative symbol */
+#define OPERAND_SIGNED	0x100	/* Operand printed as signed value */
+#define OPERAND_LENGTH	0x200	/* Operand printed as length (+1) */
+
+enum {
+	UNUSED,	/* Indicates the end of the operand list */
+	R_8,	/* GPR starting at position 8 */
+	R_12,	/* GPR starting at position 12 */
+	R_16,	/* GPR starting at position 16 */
+	R_20,	/* GPR starting at position 20 */
+	R_24,	/* GPR starting at position 24 */
+	R_28,	/* GPR starting at position 28 */
+	R_32,	/* GPR starting at position 32 */
+	F_8,	/* FPR starting at position 8 */
+	F_12,	/* FPR starting at position 12 */
+	F_16,	/* FPR starting at position 16 */
+	F_20,	/* FPR starting at position 16 */
+	F_24,	/* FPR starting at position 24 */
+	F_28,	/* FPR starting at position 28 */
+	F_32,	/* FPR starting at position 32 */
+	A_8,	/* Access reg. starting at position 8 */
+	A_12,	/* Access reg. starting at position 12 */
+	A_24,	/* Access reg. starting at position 24 */
+	A_28,	/* Access reg. starting at position 28 */
+	C_8,	/* Control reg. starting at position 8 */
+	C_12,	/* Control reg. starting at position 12 */
+	B_16,	/* Base register starting at position 16 */
+	B_32,	/* Base register starting at position 32 */
+	X_12,	/* Index register starting at position 12 */
+	D_20,	/* Displacement starting at position 20 */
+	D_36,	/* Displacement starting at position 36 */
+	D20_20,	/* 20 bit displacement starting at 20 */
+	L4_8,	/* 4 bit length starting at position 8 */
+	L4_12,	/* 4 bit length starting at position 12 */
+	L8_8,	/* 8 bit length starting at position 8 */
+	U4_8,	/* 4 bit unsigned value starting at 8 */
+	U4_12,	/* 4 bit unsigned value starting at 12 */
+	U4_16,	/* 4 bit unsigned value starting at 16 */
+	U4_20,	/* 4 bit unsigned value starting at 20 */
+	U8_8,	/* 8 bit unsigned value starting at 8 */
+	U8_16,	/* 8 bit unsigned value starting at 16 */
+	I16_16,	/* 16 bit signed value starting at 16 */
+	U16_16,	/* 16 bit unsigned value starting at 16 */
+	J16_16,	/* PC relative jump offset at 16 */
+	J32_16,	/* PC relative long offset at 16 */
+	I32_16,	/* 32 bit signed value starting at 16 */
+	U32_16,	/* 32 bit unsigned value starting at 16 */
+	M_16,	/* 4 bit optional mask starting at 16 */
+	RO_28,	/* optional GPR starting at position 28 */
+};
+
+/*
+ * Enumeration of the different instruction formats.
+ * For details consult the principles of operation.
+ */
+enum {
+	INSTR_INVALID,
+	INSTR_E, INSTR_RIE_RRP, INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU,
+	INSTR_RIL_UP, INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
+	INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
+	INSTR_RRE_FF, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF, INSTR_RRE_RR,
+	INSTR_RRE_RR_OPT, INSTR_RRF_F0FF, INSTR_RRF_FUFF, INSTR_RRF_M0RR,
+	INSTR_RRF_R0RR, INSTR_RRF_RURR, INSTR_RRF_U0FF, INSTR_RRF_U0RF,
+	INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
+	INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD, INSTR_RSI_RRP,
+	INSTR_RSL_R0RD, INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD,
+	INSTR_RSY_RURD, INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD,
+	INSTR_RS_RRRD, INSTR_RS_RURD, INSTR_RXE_FRRD, INSTR_RXE_RRRD,
+	INSTR_RXF_FRRDF, INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RX_FRRD,
+	INSTR_RX_RRRD, INSTR_RX_URRD, INSTR_SIY_URD, INSTR_SI_URD,
+	INSTR_SSE_RDRD, INSTR_SSF_RRDRD, INSTR_SS_L0RDRD, INSTR_SS_LIRDRD,
+	INSTR_SS_LLRDRD, INSTR_SS_RRRDRD, INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
+	INSTR_S_00, INSTR_S_RD,
+};
+
+struct operand {
+	int bits;		/* The number of bits in the operand. */
+	int shift;		/* The number of bits to shift. */
+	int flags;		/* One bit syntax flags. */
+};
+
+struct insn {
+	const char name[5];
+	unsigned char opfrag;
+	unsigned char format;
+};
+
+static const struct operand operands[] =
+{
+	[UNUSED]  = { 0, 0, 0 },
+	[R_8]	 = {  4,  8, OPERAND_GPR },
+	[R_12]	 = {  4, 12, OPERAND_GPR },
+	[R_16]	 = {  4, 16, OPERAND_GPR },
+	[R_20]	 = {  4, 20, OPERAND_GPR },
+	[R_24]	 = {  4, 24, OPERAND_GPR },
+	[R_28]	 = {  4, 28, OPERAND_GPR },
+	[R_32]	 = {  4, 32, OPERAND_GPR },
+	[F_8]	 = {  4,  8, OPERAND_FPR },
+	[F_12]	 = {  4, 12, OPERAND_FPR },
+	[F_16]	 = {  4, 16, OPERAND_FPR },
+	[F_20]	 = {  4, 16, OPERAND_FPR },
+	[F_24]	 = {  4, 24, OPERAND_FPR },
+	[F_28]	 = {  4, 28, OPERAND_FPR },
+	[F_32]	 = {  4, 32, OPERAND_FPR },
+	[A_8]	 = {  4,  8, OPERAND_AR },
+	[A_12]	 = {  4, 12, OPERAND_AR },
+	[A_24]	 = {  4, 24, OPERAND_AR },
+	[A_28]	 = {  4, 28, OPERAND_AR },
+	[C_8]	 = {  4,  8, OPERAND_CR },
+	[C_12]	 = {  4, 12, OPERAND_CR },
+	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },
+	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },
+	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
+	[D_20]	 = { 12, 20, OPERAND_DISP },
+	[D_36]	 = { 12, 36, OPERAND_DISP },
+	[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
+	[L4_8]	 = {  4,  8, OPERAND_LENGTH },
+	[L4_12]  = {  4, 12, OPERAND_LENGTH },
+	[L8_8]	 = {  8,  8, OPERAND_LENGTH },
+	[U4_8]	 = {  4,  8, 0 },
+	[U4_12]  = {  4, 12, 0 },
+	[U4_16]  = {  4, 16, 0 },
+	[U4_20]  = {  4, 20, 0 },
+	[U8_8]	 = {  8,  8, 0 },
+	[U8_16]  = {  8, 16, 0 },
+	[I16_16] = { 16, 16, OPERAND_SIGNED },
+	[U16_16] = { 16, 16, 0 },
+	[J16_16] = { 16, 16, OPERAND_PCREL },
+	[J32_16] = { 32, 16, OPERAND_PCREL },
+	[I32_16] = { 32, 16, OPERAND_SIGNED },
+	[U32_16] = { 32, 16, 0 },
+	[M_16]	 = {  4, 16, 0 },
+	[RO_28]  = {  4, 28, OPERAND_GPR }
+};
+
+static const unsigned char formats[][7] = {
+	[INSTR_E]	  = { 0xff, 0,0,0,0,0,0 },	       /* e.g. pr    */
+	[INSTR_RIE_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },   /* e.g. brxhg */
+	[INSTR_RIL_RP]	  = { 0x0f, R_8,J32_16,0,0,0,0 },      /* e.g. brasl */
+	[INSTR_RIL_UP]	  = { 0x0f, U4_8,J32_16,0,0,0,0 },     /* e.g. brcl  */
+	[INSTR_RIL_RI]	  = { 0x0f, R_8,I32_16,0,0,0,0 },      /* e.g. afi   */
+	[INSTR_RIL_RU]	  = { 0x0f, R_8,U32_16,0,0,0,0 },      /* e.g. alfi  */
+	[INSTR_RI_RI]	  = { 0x0f, R_8,I16_16,0,0,0,0 },      /* e.g. ahi   */
+	[INSTR_RI_RP]	  = { 0x0f, R_8,J16_16,0,0,0,0 },      /* e.g. brct  */
+	[INSTR_RI_RU]	  = { 0x0f, R_8,U16_16,0,0,0,0 },      /* e.g. tml   */
+	[INSTR_RI_UP]	  = { 0x0f, U4_8,J16_16,0,0,0,0 },     /* e.g. brc   */
+	[INSTR_RRE_00]	  = { 0xff, 0,0,0,0,0,0 },	       /* e.g. palb  */
+	[INSTR_RRE_0R]	  = { 0xff, R_28,0,0,0,0,0 },	       /* e.g. tb    */
+	[INSTR_RRE_AA]	  = { 0xff, A_24,A_28,0,0,0,0 },       /* e.g. cpya  */
+	[INSTR_RRE_AR]	  = { 0xff, A_24,R_28,0,0,0,0 },       /* e.g. sar   */
+	[INSTR_RRE_F0]	  = { 0xff, F_24,0,0,0,0,0 },	       /* e.g. sqer  */
+	[INSTR_RRE_FF]	  = { 0xff, F_24,F_28,0,0,0,0 },       /* e.g. debr  */
+	[INSTR_RRE_R0]	  = { 0xff, R_24,0,0,0,0,0 },	       /* e.g. ipm   */
+	[INSTR_RRE_RA]	  = { 0xff, R_24,A_28,0,0,0,0 },       /* e.g. ear   */
+	[INSTR_RRE_RF]	  = { 0xff, R_24,F_28,0,0,0,0 },       /* e.g. cefbr */
+	[INSTR_RRE_RR]	  = { 0xff, R_24,R_28,0,0,0,0 },       /* e.g. lura  */
+	[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },      /* efpc, sfpc */
+	[INSTR_RRF_F0FF]  = { 0xff, F_16,F_24,F_28,0,0,0 },    /* e.g. madbr */
+	[INSTR_RRF_FUFF]  = { 0xff, F_24,F_16,F_28,U4_20,0,0 },/* e.g. didbr */
+	[INSTR_RRF_RURR]  = { 0xff, R_24,R_28,R_16,U4_20,0,0 },/* e.g. .insn */
+	[INSTR_RRF_R0RR]  = { 0xff, R_24,R_28,R_16,0,0,0 },    /* e.g. idte  */
+	[INSTR_RRF_U0FF]  = { 0xff, F_24,U4_16,F_28,0,0,0 },   /* e.g. fixr  */
+	[INSTR_RRF_U0RF]  = { 0xff, R_24,U4_16,F_28,0,0,0 },   /* e.g. cfebr */
+	[INSTR_RRF_M0RR]  = { 0xff, R_24,R_28,M_16,0,0,0 },    /* e.g. sske  */
+	[INSTR_RR_FF]	  = { 0xff, F_8,F_12,0,0,0,0 },        /* e.g. adr   */
+	[INSTR_RR_R0]	  = { 0xff, R_8, 0,0,0,0,0 },	       /* e.g. spm   */
+	[INSTR_RR_RR]	  = { 0xff, R_8,R_12,0,0,0,0 },        /* e.g. lr    */
+	[INSTR_RR_U0]	  = { 0xff, U8_8, 0,0,0,0,0 },	       /* e.g. svc   */
+	[INSTR_RR_UR]	  = { 0xff, U4_8,R_12,0,0,0,0 },       /* e.g. bcr   */
+	[INSTR_RSE_RRRD]  = { 0xff, R_8,R_12,D_20,B_16,0,0 },  /* e.g. lmh   */
+	[INSTR_RSE_CCRD]  = { 0xff, C_8,C_12,D_20,B_16,0,0 },  /* e.g. lmh   */
+	[INSTR_RSE_RURD]  = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, /* e.g. icmh  */
+	[INSTR_RSL_R0RD]  = { 0xff, R_8,D_20,B_16,0,0,0 },     /* e.g. tp    */
+	[INSTR_RSI_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },   /* e.g. brxh  */
+	[INSTR_RSY_RRRD]  = { 0xff, R_8,R_12,D20_20,B_16,0,0 },/* e.g. stmy  */
+	[INSTR_RSY_RURD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
+							       /* e.g. icmh  */
+	[INSTR_RSY_AARD]  = { 0xff, A_8,A_12,D20_20,B_16,0,0 },/* e.g. lamy  */
+	[INSTR_RSY_CCRD]  = { 0xff, C_8,C_12,D20_20,B_16,0,0 },/* e.g. lamy  */
+	[INSTR_RS_AARD]	  = { 0xff, A_8,A_12,D_20,B_16,0,0 },  /* e.g. lam   */
+	[INSTR_RS_CCRD]	  = { 0xff, C_8,C_12,D_20,B_16,0,0 },  /* e.g. lctl  */
+	[INSTR_RS_R0RD]	  = { 0xff, R_8,D_20,B_16,0,0,0 },     /* e.g. sll   */
+	[INSTR_RS_RRRD]	  = { 0xff, R_8,R_12,D_20,B_16,0,0 },  /* e.g. cs    */
+	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 }, /* e.g. icm   */
+	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },  /* e.g. axbr  */
+	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },  /* e.g. lg    */
+	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
+							       /* e.g. madb  */
+	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },/* e.g. ly    */
+	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },/* e.g. ley   */
+	[INSTR_RX_FRRD]	  = { 0xff, F_8,D_20,X_12,B_16,0,0 },  /* e.g. ae    */
+	[INSTR_RX_RRRD]	  = { 0xff, R_8,D_20,X_12,B_16,0,0 },  /* e.g. l     */
+	[INSTR_RX_URRD]	  = { 0x00, U4_8,D_20,X_12,B_16,0,0 }, /* e.g. bc    */
+	[INSTR_SI_URD]	  = { 0x00, D_20,B_16,U8_8,0,0,0 },    /* e.g. cli   */
+	[INSTR_SIY_URD]	  = { 0xff, D20_20,B_16,U8_8,0,0,0 },  /* e.g. tmy   */
+	[INSTR_SSE_RDRD]  = { 0xff, D_20,B_16,D_36,B_32,0,0 }, /* e.g. mvsdk */
+	[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
+							       /* e.g. mvc   */
+	[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
+							       /* e.g. srp   */
+	[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
+							       /* e.g. pack  */
+	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
+							       /* e.g. mvck  */
+	[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
+							       /* e.g. plo   */
+	[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
+							       /* e.g. lmd   */
+	[INSTR_S_00]	  = { 0xff, 0,0,0,0,0,0 },	       /* e.g. hsch  */
+	[INSTR_S_RD]	  = { 0xff, D_20,B_16,0,0,0,0 },       /* e.g. lpsw  */
+	[INSTR_SSF_RRDRD] = { 0x00, D_20,B_16,D_36,B_32,R_8,0 },
+							       /* e.g. mvcos */
+};
+
+static struct insn opcode[] = {
+#ifdef CONFIG_64BIT
+	{ "lmd", 0xef, INSTR_SS_RRRDRD3 },
+#endif
+	{ "spm", 0x04, INSTR_RR_R0 },
+	{ "balr", 0x05, INSTR_RR_RR },
+	{ "bctr", 0x06, INSTR_RR_RR },
+	{ "bcr", 0x07, INSTR_RR_UR },
+	{ "svc", 0x0a, INSTR_RR_U0 },
+	{ "bsm", 0x0b, INSTR_RR_RR },
+	{ "bassm", 0x0c, INSTR_RR_RR },
+	{ "basr", 0x0d, INSTR_RR_RR },
+	{ "mvcl", 0x0e, INSTR_RR_RR },
+	{ "clcl", 0x0f, INSTR_RR_RR },
+	{ "lpr", 0x10, INSTR_RR_RR },
+	{ "lnr", 0x11, INSTR_RR_RR },
+	{ "ltr", 0x12, INSTR_RR_RR },
+	{ "lcr", 0x13, INSTR_RR_RR },
+	{ "nr", 0x14, INSTR_RR_RR },
+	{ "clr", 0x15, INSTR_RR_RR },
+	{ "or", 0x16, INSTR_RR_RR },
+	{ "xr", 0x17, INSTR_RR_RR },
+	{ "lr", 0x18, INSTR_RR_RR },
+	{ "cr", 0x19, INSTR_RR_RR },
+	{ "ar", 0x1a, INSTR_RR_RR },
+	{ "sr", 0x1b, INSTR_RR_RR },
+	{ "mr", 0x1c, INSTR_RR_RR },
+	{ "dr", 0x1d, INSTR_RR_RR },
+	{ "alr", 0x1e, INSTR_RR_RR },
+	{ "slr", 0x1f, INSTR_RR_RR },
+	{ "lpdr", 0x20, INSTR_RR_FF },
+	{ "lndr", 0x21, INSTR_RR_FF },
+	{ "ltdr", 0x22, INSTR_RR_FF },
+	{ "lcdr", 0x23, INSTR_RR_FF },
+	{ "hdr", 0x24, INSTR_RR_FF },
+	{ "ldxr", 0x25, INSTR_RR_FF },
+	{ "lrdr", 0x25, INSTR_RR_FF },
+	{ "mxr", 0x26, INSTR_RR_FF },
+	{ "mxdr", 0x27, INSTR_RR_FF },
+	{ "ldr", 0x28, INSTR_RR_FF },
+	{ "cdr", 0x29, INSTR_RR_FF },
+	{ "adr", 0x2a, INSTR_RR_FF },
+	{ "sdr", 0x2b, INSTR_RR_FF },
+	{ "mdr", 0x2c, INSTR_RR_FF },
+	{ "ddr", 0x2d, INSTR_RR_FF },
+	{ "awr", 0x2e, INSTR_RR_FF },
+	{ "swr", 0x2f, INSTR_RR_FF },
+	{ "lper", 0x30, INSTR_RR_FF },
+	{ "lner", 0x31, INSTR_RR_FF },
+	{ "lter", 0x32, INSTR_RR_FF },
+	{ "lcer", 0x33, INSTR_RR_FF },
+	{ "her", 0x34, INSTR_RR_FF },
+	{ "ledr", 0x35, INSTR_RR_FF },
+	{ "lrer", 0x35, INSTR_RR_FF },
+	{ "axr", 0x36, INSTR_RR_FF },
+	{ "sxr", 0x37, INSTR_RR_FF },
+	{ "ler", 0x38, INSTR_RR_FF },
+	{ "cer", 0x39, INSTR_RR_FF },
+	{ "aer", 0x3a, INSTR_RR_FF },
+	{ "ser", 0x3b, INSTR_RR_FF },
+	{ "mder", 0x3c, INSTR_RR_FF },
+	{ "mer", 0x3c, INSTR_RR_FF },
+	{ "der", 0x3d, INSTR_RR_FF },
+	{ "aur", 0x3e, INSTR_RR_FF },
+	{ "sur", 0x3f, INSTR_RR_FF },
+	{ "sth", 0x40, INSTR_RX_RRRD },
+	{ "la", 0x41, INSTR_RX_RRRD },
+	{ "stc", 0x42, INSTR_RX_RRRD },
+	{ "ic", 0x43, INSTR_RX_RRRD },
+	{ "ex", 0x44, INSTR_RX_RRRD },
+	{ "bal", 0x45, INSTR_RX_RRRD },
+	{ "bct", 0x46, INSTR_RX_RRRD },
+	{ "bc", 0x47, INSTR_RX_URRD },
+	{ "lh", 0x48, INSTR_RX_RRRD },
+	{ "ch", 0x49, INSTR_RX_RRRD },
+	{ "ah", 0x4a, INSTR_RX_RRRD },
+	{ "sh", 0x4b, INSTR_RX_RRRD },
+	{ "mh", 0x4c, INSTR_RX_RRRD },
+	{ "bas", 0x4d, INSTR_RX_RRRD },
+	{ "cvd", 0x4e, INSTR_RX_RRRD },
+	{ "cvb", 0x4f, INSTR_RX_RRRD },
+	{ "st", 0x50, INSTR_RX_RRRD },
+	{ "lae", 0x51, INSTR_RX_RRRD },
+	{ "n", 0x54, INSTR_RX_RRRD },
+	{ "cl", 0x55, INSTR_RX_RRRD },
+	{ "o", 0x56, INSTR_RX_RRRD },
+	{ "x", 0x57, INSTR_RX_RRRD },
+	{ "l", 0x58, INSTR_RX_RRRD },
+	{ "c", 0x59, INSTR_RX_RRRD },
+	{ "a", 0x5a, INSTR_RX_RRRD },
+	{ "s", 0x5b, INSTR_RX_RRRD },
+	{ "m", 0x5c, INSTR_RX_RRRD },
+	{ "d", 0x5d, INSTR_RX_RRRD },
+	{ "al", 0x5e, INSTR_RX_RRRD },
+	{ "sl", 0x5f, INSTR_RX_RRRD },
+	{ "std", 0x60, INSTR_RX_FRRD },
+	{ "mxd", 0x67, INSTR_RX_FRRD },
+	{ "ld", 0x68, INSTR_RX_FRRD },
+	{ "cd", 0x69, INSTR_RX_FRRD },
+	{ "ad", 0x6a, INSTR_RX_FRRD },
+	{ "sd", 0x6b, INSTR_RX_FRRD },
+	{ "md", 0x6c, INSTR_RX_FRRD },
+	{ "dd", 0x6d, INSTR_RX_FRRD },
+	{ "aw", 0x6e, INSTR_RX_FRRD },
+	{ "sw", 0x6f, INSTR_RX_FRRD },
+	{ "ste", 0x70, INSTR_RX_FRRD },
+	{ "ms", 0x71, INSTR_RX_RRRD },
+	{ "le", 0x78, INSTR_RX_FRRD },
+	{ "ce", 0x79, INSTR_RX_FRRD },
+	{ "ae", 0x7a, INSTR_RX_FRRD },
+	{ "se", 0x7b, INSTR_RX_FRRD },
+	{ "mde", 0x7c, INSTR_RX_FRRD },
+	{ "me", 0x7c, INSTR_RX_FRRD },
+	{ "de", 0x7d, INSTR_RX_FRRD },
+	{ "au", 0x7e, INSTR_RX_FRRD },
+	{ "su", 0x7f, INSTR_RX_FRRD },
+	{ "ssm", 0x80, INSTR_S_RD },
+	{ "lpsw", 0x82, INSTR_S_RD },
+	{ "diag", 0x83, INSTR_RS_RRRD },
+	{ "brxh", 0x84, INSTR_RSI_RRP },
+	{ "brxle", 0x85, INSTR_RSI_RRP },
+	{ "bxh", 0x86, INSTR_RS_RRRD },
+	{ "bxle", 0x87, INSTR_RS_RRRD },
+	{ "srl", 0x88, INSTR_RS_R0RD },
+	{ "sll", 0x89, INSTR_RS_R0RD },
+	{ "sra", 0x8a, INSTR_RS_R0RD },
+	{ "sla", 0x8b, INSTR_RS_R0RD },
+	{ "srdl", 0x8c, INSTR_RS_R0RD },
+	{ "sldl", 0x8d, INSTR_RS_R0RD },
+	{ "srda", 0x8e, INSTR_RS_R0RD },
+	{ "slda", 0x8f, INSTR_RS_R0RD },
+	{ "stm", 0x90, INSTR_RS_RRRD },
+	{ "tm", 0x91, INSTR_SI_URD },
+	{ "mvi", 0x92, INSTR_SI_URD },
+	{ "ts", 0x93, INSTR_S_RD },
+	{ "ni", 0x94, INSTR_SI_URD },
+	{ "cli", 0x95, INSTR_SI_URD },
+	{ "oi", 0x96, INSTR_SI_URD },
+	{ "xi", 0x97, INSTR_SI_URD },
+	{ "lm", 0x98, INSTR_RS_RRRD },
+	{ "trace", 0x99, INSTR_RS_RRRD },
+	{ "lam", 0x9a, INSTR_RS_AARD },
+	{ "stam", 0x9b, INSTR_RS_AARD },
+	{ "mvcle", 0xa8, INSTR_RS_RRRD },
+	{ "clcle", 0xa9, INSTR_RS_RRRD },
+	{ "stnsm", 0xac, INSTR_SI_URD },
+	{ "stosm", 0xad, INSTR_SI_URD },
+	{ "sigp", 0xae, INSTR_RS_RRRD },
+	{ "mc", 0xaf, INSTR_SI_URD },
+	{ "lra", 0xb1, INSTR_RX_RRRD },
+	{ "stctl", 0xb6, INSTR_RS_CCRD },
+	{ "lctl", 0xb7, INSTR_RS_CCRD },
+	{ "cs", 0xba, INSTR_RS_RRRD },
+	{ "cds", 0xbb, INSTR_RS_RRRD },
+	{ "clm", 0xbd, INSTR_RS_RURD },
+	{ "stcm", 0xbe, INSTR_RS_RURD },
+	{ "icm", 0xbf, INSTR_RS_RURD },
+	{ "mvn", 0xd1, INSTR_SS_L0RDRD },
+	{ "mvc", 0xd2, INSTR_SS_L0RDRD },
+	{ "mvz", 0xd3, INSTR_SS_L0RDRD },
+	{ "nc", 0xd4, INSTR_SS_L0RDRD },
+	{ "clc", 0xd5, INSTR_SS_L0RDRD },
+	{ "oc", 0xd6, INSTR_SS_L0RDRD },
+	{ "xc", 0xd7, INSTR_SS_L0RDRD },
+	{ "mvck", 0xd9, INSTR_SS_RRRDRD },
+	{ "mvcp", 0xda, INSTR_SS_RRRDRD },
+	{ "mvcs", 0xdb, INSTR_SS_RRRDRD },
+	{ "tr", 0xdc, INSTR_SS_L0RDRD },
+	{ "trt", 0xdd, INSTR_SS_L0RDRD },
+	{ "ed", 0xde, INSTR_SS_L0RDRD },
+	{ "edmk", 0xdf, INSTR_SS_L0RDRD },
+	{ "pku", 0xe1, INSTR_SS_L0RDRD },
+	{ "unpku", 0xe2, INSTR_SS_L0RDRD },
+	{ "mvcin", 0xe8, INSTR_SS_L0RDRD },
+	{ "pka", 0xe9, INSTR_SS_L0RDRD },
+	{ "unpka", 0xea, INSTR_SS_L0RDRD },
+	{ "plo", 0xee, INSTR_SS_RRRDRD2 },
+	{ "srp", 0xf0, INSTR_SS_LIRDRD },
+	{ "mvo", 0xf1, INSTR_SS_LLRDRD },
+	{ "pack", 0xf2, INSTR_SS_LLRDRD },
+	{ "unpk", 0xf3, INSTR_SS_LLRDRD },
+	{ "zap", 0xf8, INSTR_SS_LLRDRD },
+	{ "cp", 0xf9, INSTR_SS_LLRDRD },
+	{ "ap", 0xfa, INSTR_SS_LLRDRD },
+	{ "sp", 0xfb, INSTR_SS_LLRDRD },
+	{ "mp", 0xfc, INSTR_SS_LLRDRD },
+	{ "dp", 0xfd, INSTR_SS_LLRDRD },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_01[] = {
+#ifdef CONFIG_64BIT
+	{ "sam64", 0x0e, INSTR_E },
+#endif
+	{ "pr", 0x01, INSTR_E },
+	{ "upt", 0x02, INSTR_E },
+	{ "sckpf", 0x07, INSTR_E },
+	{ "tam", 0x0b, INSTR_E },
+	{ "sam24", 0x0c, INSTR_E },
+	{ "sam31", 0x0d, INSTR_E },
+	{ "trap2", 0xff, INSTR_E },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_a5[] = {
+#ifdef CONFIG_64BIT
+	{ "iihh", 0x00, INSTR_RI_RU },
+	{ "iihl", 0x01, INSTR_RI_RU },
+	{ "iilh", 0x02, INSTR_RI_RU },
+	{ "iill", 0x03, INSTR_RI_RU },
+	{ "nihh", 0x04, INSTR_RI_RU },
+	{ "nihl", 0x05, INSTR_RI_RU },
+	{ "nilh", 0x06, INSTR_RI_RU },
+	{ "nill", 0x07, INSTR_RI_RU },
+	{ "oihh", 0x08, INSTR_RI_RU },
+	{ "oihl", 0x09, INSTR_RI_RU },
+	{ "oilh", 0x0a, INSTR_RI_RU },
+	{ "oill", 0x0b, INSTR_RI_RU },
+	{ "llihh", 0x0c, INSTR_RI_RU },
+	{ "llihl", 0x0d, INSTR_RI_RU },
+	{ "llilh", 0x0e, INSTR_RI_RU },
+	{ "llill", 0x0f, INSTR_RI_RU },
+#endif
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_a7[] = {
+#ifdef CONFIG_64BIT
+	{ "tmhh", 0x02, INSTR_RI_RU },
+	{ "tmhl", 0x03, INSTR_RI_RU },
+	{ "brctg", 0x07, INSTR_RI_RP },
+	{ "lghi", 0x09, INSTR_RI_RI },
+	{ "aghi", 0x0b, INSTR_RI_RI },
+	{ "mghi", 0x0d, INSTR_RI_RI },
+	{ "cghi", 0x0f, INSTR_RI_RI },
+#endif
+	{ "tmlh", 0x00, INSTR_RI_RU },
+	{ "tmll", 0x01, INSTR_RI_RU },
+	{ "brc", 0x04, INSTR_RI_UP },
+	{ "bras", 0x05, INSTR_RI_RP },
+	{ "brct", 0x06, INSTR_RI_RP },
+	{ "lhi", 0x08, INSTR_RI_RI },
+	{ "ahi", 0x0a, INSTR_RI_RI },
+	{ "mhi", 0x0c, INSTR_RI_RI },
+	{ "chi", 0x0e, INSTR_RI_RI },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_b2[] = {
+#ifdef CONFIG_64BIT
+	{ "sske", 0x2b, INSTR_RRF_M0RR },
+	{ "stckf", 0x7c, INSTR_S_RD },
+	{ "cu21", 0xa6, INSTR_RRF_M0RR },
+	{ "cuutf", 0xa6, INSTR_RRF_M0RR },
+	{ "cu12", 0xa7, INSTR_RRF_M0RR },
+	{ "cutfu", 0xa7, INSTR_RRF_M0RR },
+	{ "stfle", 0xb0, INSTR_S_RD },
+	{ "lpswe", 0xb2, INSTR_S_RD },
+#endif
+	{ "stidp", 0x02, INSTR_S_RD },
+	{ "sck", 0x04, INSTR_S_RD },
+	{ "stck", 0x05, INSTR_S_RD },
+	{ "sckc", 0x06, INSTR_S_RD },
+	{ "stckc", 0x07, INSTR_S_RD },
+	{ "spt", 0x08, INSTR_S_RD },
+	{ "stpt", 0x09, INSTR_S_RD },
+	{ "spka", 0x0a, INSTR_S_RD },
+	{ "ipk", 0x0b, INSTR_S_00 },
+	{ "ptlb", 0x0d, INSTR_S_00 },
+	{ "spx", 0x10, INSTR_S_RD },
+	{ "stpx", 0x11, INSTR_S_RD },
+	{ "stap", 0x12, INSTR_S_RD },
+	{ "sie", 0x14, INSTR_S_RD },
+	{ "pc", 0x18, INSTR_S_RD },
+	{ "sac", 0x19, INSTR_S_RD },
+	{ "cfc", 0x1a, INSTR_S_RD },
+	{ "ipte", 0x21, INSTR_RRE_RR },
+	{ "ipm", 0x22, INSTR_RRE_R0 },
+	{ "ivsk", 0x23, INSTR_RRE_RR },
+	{ "iac", 0x24, INSTR_RRE_R0 },
+	{ "ssar", 0x25, INSTR_RRE_R0 },
+	{ "epar", 0x26, INSTR_RRE_R0 },
+	{ "esar", 0x27, INSTR_RRE_R0 },
+	{ "pt", 0x28, INSTR_RRE_RR },
+	{ "iske", 0x29, INSTR_RRE_RR },
+	{ "rrbe", 0x2a, INSTR_RRE_RR },
+	{ "sske", 0x2b, INSTR_RRE_RR },
+	{ "tb", 0x2c, INSTR_RRE_0R },
+	{ "dxr", 0x2d, INSTR_RRE_F0 },
+	{ "pgin", 0x2e, INSTR_RRE_RR },
+	{ "pgout", 0x2f, INSTR_RRE_RR },
+	{ "csch", 0x30, INSTR_S_00 },
+	{ "hsch", 0x31, INSTR_S_00 },
+	{ "msch", 0x32, INSTR_S_RD },
+	{ "ssch", 0x33, INSTR_S_RD },
+	{ "stsch", 0x34, INSTR_S_RD },
+	{ "tsch", 0x35, INSTR_S_RD },
+	{ "tpi", 0x36, INSTR_S_RD },
+	{ "sal", 0x37, INSTR_S_00 },
+	{ "rsch", 0x38, INSTR_S_00 },
+	{ "stcrw", 0x39, INSTR_S_RD },
+	{ "stcps", 0x3a, INSTR_S_RD },
+	{ "rchp", 0x3b, INSTR_S_00 },
+	{ "schm", 0x3c, INSTR_S_00 },
+	{ "bakr", 0x40, INSTR_RRE_RR },
+	{ "cksm", 0x41, INSTR_RRE_RR },
+	{ "sqdr", 0x44, INSTR_RRE_F0 },
+	{ "sqer", 0x45, INSTR_RRE_F0 },
+	{ "stura", 0x46, INSTR_RRE_RR },
+	{ "msta", 0x47, INSTR_RRE_R0 },
+	{ "palb", 0x48, INSTR_RRE_00 },
+	{ "ereg", 0x49, INSTR_RRE_RR },
+	{ "esta", 0x4a, INSTR_RRE_RR },
+	{ "lura", 0x4b, INSTR_RRE_RR },
+	{ "tar", 0x4c, INSTR_RRE_AR },
+	{ "cpya", INSTR_RRE_AA },
+	{ "sar", 0x4e, INSTR_RRE_AR },
+	{ "ear", 0x4f, INSTR_RRE_RA },
+	{ "csp", 0x50, INSTR_RRE_RR },
+	{ "msr", 0x52, INSTR_RRE_RR },
+	{ "mvpg", 0x54, INSTR_RRE_RR },
+	{ "mvst", 0x55, INSTR_RRE_RR },
+	{ "cuse", 0x57, INSTR_RRE_RR },
+	{ "bsg", 0x58, INSTR_RRE_RR },
+	{ "bsa", 0x5a, INSTR_RRE_RR },
+	{ "clst", 0x5d, INSTR_RRE_RR },
+	{ "srst", 0x5e, INSTR_RRE_RR },
+	{ "cmpsc", 0x63, INSTR_RRE_RR },
+	{ "cmpsc", 0x63, INSTR_RRE_RR },
+	{ "siga", 0x74, INSTR_S_RD },
+	{ "xsch", 0x76, INSTR_S_00 },
+	{ "rp", 0x77, INSTR_S_RD },
+	{ "stcke", 0x78, INSTR_S_RD },
+	{ "sacf", 0x79, INSTR_S_RD },
+	{ "stsi", 0x7d, INSTR_S_RD },
+	{ "srnm", 0x99, INSTR_S_RD },
+	{ "stfpc", 0x9c, INSTR_S_RD },
+	{ "lfpc", 0x9d, INSTR_S_RD },
+	{ "tre", 0xa5, INSTR_RRE_RR },
+	{ "cuutf", 0xa6, INSTR_RRE_RR },
+	{ "cutfu", 0xa7, INSTR_RRE_RR },
+	{ "stfl", 0xb1, INSTR_S_RD },
+	{ "trap4", 0xff, INSTR_S_RD },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_b3[] = {
+#ifdef CONFIG_64BIT
+	{ "maylr", 0x38, INSTR_RRF_F0FF },
+	{ "mylr", 0x39, INSTR_RRF_F0FF },
+	{ "mayr", 0x3a, INSTR_RRF_F0FF },
+	{ "myr", 0x3b, INSTR_RRF_F0FF },
+	{ "mayhr", 0x3c, INSTR_RRF_F0FF },
+	{ "myhr", 0x3d, INSTR_RRF_F0FF },
+	{ "cegbr", 0xa4, INSTR_RRE_RR },
+	{ "cdgbr", 0xa5, INSTR_RRE_RR },
+	{ "cxgbr", 0xa6, INSTR_RRE_RR },
+	{ "cgebr", 0xa8, INSTR_RRF_U0RF },
+	{ "cgdbr", 0xa9, INSTR_RRF_U0RF },
+	{ "cgxbr", 0xaa, INSTR_RRF_U0RF },
+	{ "cfer", 0xb8, INSTR_RRF_U0RF },
+	{ "cfdr", 0xb9, INSTR_RRF_U0RF },
+	{ "cfxr", 0xba, INSTR_RRF_U0RF },
+	{ "cegr", 0xc4, INSTR_RRE_RR },
+	{ "cdgr", 0xc5, INSTR_RRE_RR },
+	{ "cxgr", 0xc6, INSTR_RRE_RR },
+	{ "cger", 0xc8, INSTR_RRF_U0RF },
+	{ "cgdr", 0xc9, INSTR_RRF_U0RF },
+	{ "cgxr", 0xca, INSTR_RRF_U0RF },
+#endif
+	{ "lpebr", 0x00, INSTR_RRE_FF },
+	{ "lnebr", 0x01, INSTR_RRE_FF },
+	{ "ltebr", 0x02, INSTR_RRE_FF },
+	{ "lcebr", 0x03, INSTR_RRE_FF },
+	{ "ldebr", 0x04, INSTR_RRE_FF },
+	{ "lxdbr", 0x05, INSTR_RRE_FF },
+	{ "lxebr", 0x06, INSTR_RRE_FF },
+	{ "mxdbr", 0x07, INSTR_RRE_FF },
+	{ "kebr", 0x08, INSTR_RRE_FF },
+	{ "cebr", 0x09, INSTR_RRE_FF },
+	{ "aebr", 0x0a, INSTR_RRE_FF },
+	{ "sebr", 0x0b, INSTR_RRE_FF },
+	{ "mdebr", 0x0c, INSTR_RRE_FF },
+	{ "debr", 0x0d, INSTR_RRE_FF },
+	{ "maebr", 0x0e, INSTR_RRF_F0FF },
+	{ "msebr", 0x0f, INSTR_RRF_F0FF },
+	{ "lpdbr", 0x10, INSTR_RRE_FF },
+	{ "lndbr", 0x11, INSTR_RRE_FF },
+	{ "ltdbr", 0x12, INSTR_RRE_FF },
+	{ "lcdbr", 0x13, INSTR_RRE_FF },
+	{ "sqebr", 0x14, INSTR_RRE_FF },
+	{ "sqdbr", 0x15, INSTR_RRE_FF },
+	{ "sqxbr", 0x16, INSTR_RRE_FF },
+	{ "meebr", 0x17, INSTR_RRE_FF },
+	{ "kdbr", 0x18, INSTR_RRE_FF },
+	{ "cdbr", 0x19, INSTR_RRE_FF },
+	{ "adbr", 0x1a, INSTR_RRE_FF },
+	{ "sdbr", 0x1b, INSTR_RRE_FF },
+	{ "mdbr", 0x1c, INSTR_RRE_FF },
+	{ "ddbr", 0x1d, INSTR_RRE_FF },
+	{ "madbr", 0x1e, INSTR_RRF_F0FF },
+	{ "msdbr", 0x1f, INSTR_RRF_F0FF },
+	{ "lder", 0x24, INSTR_RRE_FF },
+	{ "lxdr", 0x25, INSTR_RRE_FF },
+	{ "lxer", 0x26, INSTR_RRE_FF },
+	{ "maer", 0x2e, INSTR_RRF_F0FF },
+	{ "mser", 0x2f, INSTR_RRF_F0FF },
+	{ "sqxr", 0x36, INSTR_RRE_FF },
+	{ "meer", 0x37, INSTR_RRE_FF },
+	{ "madr", 0x3e, INSTR_RRF_F0FF },
+	{ "msdr", 0x3f, INSTR_RRF_F0FF },
+	{ "lpxbr", 0x40, INSTR_RRE_FF },
+	{ "lnxbr", 0x41, INSTR_RRE_FF },
+	{ "ltxbr", 0x42, INSTR_RRE_FF },
+	{ "lcxbr", 0x43, INSTR_RRE_FF },
+	{ "ledbr", 0x44, INSTR_RRE_FF },
+	{ "ldxbr", 0x45, INSTR_RRE_FF },
+	{ "lexbr", 0x46, INSTR_RRE_FF },
+	{ "fixbr", 0x47, INSTR_RRF_U0FF },
+	{ "kxbr", 0x48, INSTR_RRE_FF },
+	{ "cxbr", 0x49, INSTR_RRE_FF },
+	{ "axbr", 0x4a, INSTR_RRE_FF },
+	{ "sxbr", 0x4b, INSTR_RRE_FF },
+	{ "mxbr", 0x4c, INSTR_RRE_FF },
+	{ "dxbr", 0x4d, INSTR_RRE_FF },
+	{ "tbedr", 0x50, INSTR_RRF_U0FF },
+	{ "tbdr", 0x51, INSTR_RRF_U0FF },
+	{ "diebr", 0x53, INSTR_RRF_FUFF },
+	{ "fiebr", 0x57, INSTR_RRF_U0FF },
+	{ "thder", 0x58, INSTR_RRE_RR },
+	{ "thdr", 0x59, INSTR_RRE_RR },
+	{ "didbr", 0x5b, INSTR_RRF_FUFF },
+	{ "fidbr", 0x5f, INSTR_RRF_U0FF },
+	{ "lpxr", 0x60, INSTR_RRE_FF },
+	{ "lnxr", 0x61, INSTR_RRE_FF },
+	{ "ltxr", 0x62, INSTR_RRE_FF },
+	{ "lcxr", 0x63, INSTR_RRE_FF },
+	{ "lxr", 0x65, INSTR_RRE_RR },
+	{ "lexr", 0x66, INSTR_RRE_FF },
+	{ "fixr", 0x67, INSTR_RRF_U0FF },
+	{ "cxr", 0x69, INSTR_RRE_FF },
+	{ "lzer", 0x74, INSTR_RRE_R0 },
+	{ "lzdr", 0x75, INSTR_RRE_R0 },
+	{ "lzxr", 0x76, INSTR_RRE_R0 },
+	{ "fier", 0x77, INSTR_RRF_U0FF },
+	{ "fidr", 0x7f, INSTR_RRF_U0FF },
+	{ "sfpc", 0x84, INSTR_RRE_RR_OPT },
+	{ "efpc", 0x8c, INSTR_RRE_RR_OPT },
+	{ "cefbr", 0x94, INSTR_RRE_RF },
+	{ "cdfbr", 0x95, INSTR_RRE_RF },
+	{ "cxfbr", 0x96, INSTR_RRE_RF },
+	{ "cfebr", 0x98, INSTR_RRF_U0RF },
+	{ "cfdbr", 0x99, INSTR_RRF_U0RF },
+	{ "cfxbr", 0x9a, INSTR_RRF_U0RF },
+	{ "cefr", 0xb4, INSTR_RRE_RF },
+	{ "cdfr", 0xb5, INSTR_RRE_RF },
+	{ "cxfr", 0xb6, INSTR_RRE_RF },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_b9[] = {
+#ifdef CONFIG_64BIT
+	{ "lpgr", 0x00, INSTR_RRE_RR },
+	{ "lngr", 0x01, INSTR_RRE_RR },
+	{ "ltgr", 0x02, INSTR_RRE_RR },
+	{ "lcgr", 0x03, INSTR_RRE_RR },
+	{ "lgr", 0x04, INSTR_RRE_RR },
+	{ "lurag", 0x05, INSTR_RRE_RR },
+	{ "lgbr", 0x06, INSTR_RRE_RR },
+	{ "lghr", 0x07, INSTR_RRE_RR },
+	{ "agr", 0x08, INSTR_RRE_RR },
+	{ "sgr", 0x09, INSTR_RRE_RR },
+	{ "algr", 0x0a, INSTR_RRE_RR },
+	{ "slgr", 0x0b, INSTR_RRE_RR },
+	{ "msgr", 0x0c, INSTR_RRE_RR },
+	{ "dsgr", 0x0d, INSTR_RRE_RR },
+	{ "eregg", 0x0e, INSTR_RRE_RR },
+	{ "lrvgr", 0x0f, INSTR_RRE_RR },
+	{ "lpgfr", 0x10, INSTR_RRE_RR },
+	{ "lngfr", 0x11, INSTR_RRE_RR },
+	{ "ltgfr", 0x12, INSTR_RRE_RR },
+	{ "lcgfr", 0x13, INSTR_RRE_RR },
+	{ "lgfr", 0x14, INSTR_RRE_RR },
+	{ "llgfr", 0x16, INSTR_RRE_RR },
+	{ "llgtr", 0x17, INSTR_RRE_RR },
+	{ "agfr", 0x18, INSTR_RRE_RR },
+	{ "sgfr", 0x19, INSTR_RRE_RR },
+	{ "algfr", 0x1a, INSTR_RRE_RR },
+	{ "slgfr", 0x1b, INSTR_RRE_RR },
+	{ "msgfr", 0x1c, INSTR_RRE_RR },
+	{ "dsgfr", 0x1d, INSTR_RRE_RR },
+	{ "cgr", 0x20, INSTR_RRE_RR },
+	{ "clgr", 0x21, INSTR_RRE_RR },
+	{ "sturg", 0x25, INSTR_RRE_RR },
+	{ "lbr", 0x26, INSTR_RRE_RR },
+	{ "lhr", 0x27, INSTR_RRE_RR },
+	{ "cgfr", 0x30, INSTR_RRE_RR },
+	{ "clgfr", 0x31, INSTR_RRE_RR },
+	{ "bctgr", 0x46, INSTR_RRE_RR },
+	{ "ngr", 0x80, INSTR_RRE_RR },
+	{ "ogr", 0x81, INSTR_RRE_RR },
+	{ "xgr", 0x82, INSTR_RRE_RR },
+	{ "flogr", 0x83, INSTR_RRE_RR },
+	{ "llgcr", 0x84, INSTR_RRE_RR },
+	{ "llghr", 0x85, INSTR_RRE_RR },
+	{ "mlgr", 0x86, INSTR_RRE_RR },
+	{ "dlgr", 0x87, INSTR_RRE_RR },
+	{ "alcgr", 0x88, INSTR_RRE_RR },
+	{ "slbgr", 0x89, INSTR_RRE_RR },
+	{ "cspg", 0x8a, INSTR_RRE_RR },
+	{ "idte", 0x8e, INSTR_RRF_R0RR },
+	{ "llcr", 0x94, INSTR_RRE_RR },
+	{ "llhr", 0x95, INSTR_RRE_RR },
+	{ "esea", 0x9d, INSTR_RRE_R0 },
+	{ "lptea", 0xaa, INSTR_RRF_RURR },
+	{ "cu14", 0xb0, INSTR_RRF_M0RR },
+	{ "cu24", 0xb1, INSTR_RRF_M0RR },
+	{ "cu41", 0xb2, INSTR_RRF_M0RR },
+	{ "cu42", 0xb3, INSTR_RRF_M0RR },
+#endif
+	{ "kmac", 0x1e, INSTR_RRE_RR },
+	{ "lrvr", 0x1f, INSTR_RRE_RR },
+	{ "km", 0x2e, INSTR_RRE_RR },
+	{ "kmc", 0x2f, INSTR_RRE_RR },
+	{ "kimd", 0x3e, INSTR_RRE_RR },
+	{ "klmd", 0x3f, INSTR_RRE_RR },
+	{ "epsw", 0x8d, INSTR_RRE_RR },
+	{ "trtt", 0x90, INSTR_RRE_RR },
+	{ "trtt", 0x90, INSTR_RRF_M0RR },
+	{ "trto", 0x91, INSTR_RRE_RR },
+	{ "trto", 0x91, INSTR_RRF_M0RR },
+	{ "trot", 0x92, INSTR_RRE_RR },
+	{ "trot", 0x92, INSTR_RRF_M0RR },
+	{ "troo", 0x93, INSTR_RRE_RR },
+	{ "troo", 0x93, INSTR_RRF_M0RR },
+	{ "mlr", 0x96, INSTR_RRE_RR },
+	{ "dlr", 0x97, INSTR_RRE_RR },
+	{ "alcr", 0x98, INSTR_RRE_RR },
+	{ "slbr", 0x99, INSTR_RRE_RR },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_c0[] = {
+#ifdef CONFIG_64BIT
+	{ "lgfi", 0x01, INSTR_RIL_RI },
+	{ "xihf", 0x06, INSTR_RIL_RU },
+	{ "xilf", 0x07, INSTR_RIL_RU },
+	{ "iihf", 0x08, INSTR_RIL_RU },
+	{ "iilf", 0x09, INSTR_RIL_RU },
+	{ "nihf", 0x0a, INSTR_RIL_RU },
+	{ "nilf", 0x0b, INSTR_RIL_RU },
+	{ "oihf", 0x0c, INSTR_RIL_RU },
+	{ "oilf", 0x0d, INSTR_RIL_RU },
+	{ "llihf", 0x0e, INSTR_RIL_RU },
+	{ "llilf", 0x0f, INSTR_RIL_RU },
+#endif
+	{ "larl", 0x00, INSTR_RIL_RP },
+	{ "brcl", 0x04, INSTR_RIL_UP },
+	{ "brasl", 0x05, INSTR_RIL_RP },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_c2[] = {
+#ifdef CONFIG_64BIT
+	{ "slgfi", 0x04, INSTR_RIL_RU },
+	{ "slfi", 0x05, INSTR_RIL_RU },
+	{ "agfi", 0x08, INSTR_RIL_RI },
+	{ "afi", 0x09, INSTR_RIL_RI },
+	{ "algfi", 0x0a, INSTR_RIL_RU },
+	{ "alfi", 0x0b, INSTR_RIL_RU },
+	{ "cgfi", 0x0c, INSTR_RIL_RI },
+	{ "cfi", 0x0d, INSTR_RIL_RI },
+	{ "clgfi", 0x0e, INSTR_RIL_RU },
+	{ "clfi", 0x0f, INSTR_RIL_RU },
+#endif
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_c8[] = {
+#ifdef CONFIG_64BIT
+	{ "mvcos", 0x00, INSTR_SSF_RRDRD },
+#endif
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_e3[] = {
+#ifdef CONFIG_64BIT
+	{ "ltg", 0x02, INSTR_RXY_RRRD },
+	{ "lrag", 0x03, INSTR_RXY_RRRD },
+	{ "lg", 0x04, INSTR_RXY_RRRD },
+	{ "cvby", 0x06, INSTR_RXY_RRRD },
+	{ "ag", 0x08, INSTR_RXY_RRRD },
+	{ "sg", 0x09, INSTR_RXY_RRRD },
+	{ "alg", 0x0a, INSTR_RXY_RRRD },
+	{ "slg", 0x0b, INSTR_RXY_RRRD },
+	{ "msg", 0x0c, INSTR_RXY_RRRD },
+	{ "dsg", 0x0d, INSTR_RXY_RRRD },
+	{ "cvbg", 0x0e, INSTR_RXY_RRRD },
+	{ "lrvg", 0x0f, INSTR_RXY_RRRD },
+	{ "lt", 0x12, INSTR_RXY_RRRD },
+	{ "lray", 0x13, INSTR_RXY_RRRD },
+	{ "lgf", 0x14, INSTR_RXY_RRRD },
+	{ "lgh", 0x15, INSTR_RXY_RRRD },
+	{ "llgf", 0x16, INSTR_RXY_RRRD },
+	{ "llgt", 0x17, INSTR_RXY_RRRD },
+	{ "agf", 0x18, INSTR_RXY_RRRD },
+	{ "sgf", 0x19, INSTR_RXY_RRRD },
+	{ "algf", 0x1a, INSTR_RXY_RRRD },
+	{ "slgf", 0x1b, INSTR_RXY_RRRD },
+	{ "msgf", 0x1c, INSTR_RXY_RRRD },
+	{ "dsgf", 0x1d, INSTR_RXY_RRRD },
+	{ "cg", 0x20, INSTR_RXY_RRRD },
+	{ "clg", 0x21, INSTR_RXY_RRRD },
+	{ "stg", 0x24, INSTR_RXY_RRRD },
+	{ "cvdy", 0x26, INSTR_RXY_RRRD },
+	{ "cvdg", 0x2e, INSTR_RXY_RRRD },
+	{ "strvg", 0x2f, INSTR_RXY_RRRD },
+	{ "cgf", 0x30, INSTR_RXY_RRRD },
+	{ "clgf", 0x31, INSTR_RXY_RRRD },
+	{ "strvh", 0x3f, INSTR_RXY_RRRD },
+	{ "bctg", 0x46, INSTR_RXY_RRRD },
+	{ "sty", 0x50, INSTR_RXY_RRRD },
+	{ "msy", 0x51, INSTR_RXY_RRRD },
+	{ "ny", 0x54, INSTR_RXY_RRRD },
+	{ "cly", 0x55, INSTR_RXY_RRRD },
+	{ "oy", 0x56, INSTR_RXY_RRRD },
+	{ "xy", 0x57, INSTR_RXY_RRRD },
+	{ "ly", 0x58, INSTR_RXY_RRRD },
+	{ "cy", 0x59, INSTR_RXY_RRRD },
+	{ "ay", 0x5a, INSTR_RXY_RRRD },
+	{ "sy", 0x5b, INSTR_RXY_RRRD },
+	{ "aly", 0x5e, INSTR_RXY_RRRD },
+	{ "sly", 0x5f, INSTR_RXY_RRRD },
+	{ "sthy", 0x70, INSTR_RXY_RRRD },
+	{ "lay", 0x71, INSTR_RXY_RRRD },
+	{ "stcy", 0x72, INSTR_RXY_RRRD },
+	{ "icy", 0x73, INSTR_RXY_RRRD },
+	{ "lb", 0x76, INSTR_RXY_RRRD },
+	{ "lgb", 0x77, INSTR_RXY_RRRD },
+	{ "lhy", 0x78, INSTR_RXY_RRRD },
+	{ "chy", 0x79, INSTR_RXY_RRRD },
+	{ "ahy", 0x7a, INSTR_RXY_RRRD },
+	{ "shy", 0x7b, INSTR_RXY_RRRD },
+	{ "ng", 0x80, INSTR_RXY_RRRD },
+	{ "og", 0x81, INSTR_RXY_RRRD },
+	{ "xg", 0x82, INSTR_RXY_RRRD },
+	{ "mlg", 0x86, INSTR_RXY_RRRD },
+	{ "dlg", 0x87, INSTR_RXY_RRRD },
+	{ "alcg", 0x88, INSTR_RXY_RRRD },
+	{ "slbg", 0x89, INSTR_RXY_RRRD },
+	{ "stpq", 0x8e, INSTR_RXY_RRRD },
+	{ "lpq", 0x8f, INSTR_RXY_RRRD },
+	{ "llgc", 0x90, INSTR_RXY_RRRD },
+	{ "llgh", 0x91, INSTR_RXY_RRRD },
+	{ "llc", 0x94, INSTR_RXY_RRRD },
+	{ "llh", 0x95, INSTR_RXY_RRRD },
+#endif
+	{ "lrv", 0x1e, INSTR_RXY_RRRD },
+	{ "lrvh", 0x1f, INSTR_RXY_RRRD },
+	{ "strv", 0x3e, INSTR_RXY_RRRD },
+	{ "ml", 0x96, INSTR_RXY_RRRD },
+	{ "dl", 0x97, INSTR_RXY_RRRD },
+	{ "alc", 0x98, INSTR_RXY_RRRD },
+	{ "slb", 0x99, INSTR_RXY_RRRD },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_e5[] = {
+#ifdef CONFIG_64BIT
+	{ "strag", 0x02, INSTR_SSE_RDRD },
+#endif
+	{ "lasp", 0x00, INSTR_SSE_RDRD },
+	{ "tprot", 0x01, INSTR_SSE_RDRD },
+	{ "mvcsk", 0x0e, INSTR_SSE_RDRD },
+	{ "mvcdk", 0x0f, INSTR_SSE_RDRD },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_eb[] = {
+#ifdef CONFIG_64BIT
+	{ "lmg", 0x04, INSTR_RSY_RRRD },
+	{ "srag", 0x0a, INSTR_RSY_RRRD },
+	{ "slag", 0x0b, INSTR_RSY_RRRD },
+	{ "srlg", 0x0c, INSTR_RSY_RRRD },
+	{ "sllg", 0x0d, INSTR_RSY_RRRD },
+	{ "tracg", 0x0f, INSTR_RSY_RRRD },
+	{ "csy", 0x14, INSTR_RSY_RRRD },
+	{ "rllg", 0x1c, INSTR_RSY_RRRD },
+	{ "clmh", 0x20, INSTR_RSY_RURD },
+	{ "clmy", 0x21, INSTR_RSY_RURD },
+	{ "stmg", 0x24, INSTR_RSY_RRRD },
+	{ "stctg", 0x25, INSTR_RSY_CCRD },
+	{ "stmh", 0x26, INSTR_RSY_RRRD },
+	{ "stcmh", 0x2c, INSTR_RSY_RURD },
+	{ "stcmy", 0x2d, INSTR_RSY_RURD },
+	{ "lctlg", 0x2f, INSTR_RSY_CCRD },
+	{ "csg", 0x30, INSTR_RSY_RRRD },
+	{ "cdsy", 0x31, INSTR_RSY_RRRD },
+	{ "cdsg", 0x3e, INSTR_RSY_RRRD },
+	{ "bxhg", 0x44, INSTR_RSY_RRRD },
+	{ "bxleg", 0x45, INSTR_RSY_RRRD },
+	{ "tmy", 0x51, INSTR_SIY_URD },
+	{ "mviy", 0x52, INSTR_SIY_URD },
+	{ "niy", 0x54, INSTR_SIY_URD },
+	{ "cliy", 0x55, INSTR_SIY_URD },
+	{ "oiy", 0x56, INSTR_SIY_URD },
+	{ "xiy", 0x57, INSTR_SIY_URD },
+	{ "icmh", 0x80, INSTR_RSE_RURD },
+	{ "icmh", 0x80, INSTR_RSY_RURD },
+	{ "icmy", 0x81, INSTR_RSY_RURD },
+	{ "clclu", 0x8f, INSTR_RSY_RRRD },
+	{ "stmy", 0x90, INSTR_RSY_RRRD },
+	{ "lmh", 0x96, INSTR_RSY_RRRD },
+	{ "lmy", 0x98, INSTR_RSY_RRRD },
+	{ "lamy", 0x9a, INSTR_RSY_AARD },
+	{ "stamy", 0x9b, INSTR_RSY_AARD },
+#endif
+	{ "rll", 0x1d, INSTR_RSY_RRRD },
+	{ "mvclu", 0x8e, INSTR_RSY_RRRD },
+	{ "tp", 0xc0, INSTR_RSL_R0RD },
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_ec[] = {
+#ifdef CONFIG_64BIT
+	{ "brxhg", 0x44, INSTR_RIE_RRP },
+	{ "brxlg", 0x45, INSTR_RIE_RRP },
+#endif
+	{ "", 0, INSTR_INVALID }
+};
+
+static struct insn opcode_ed[] = {
+#ifdef CONFIG_64BIT
+	{ "mayl", 0x38, INSTR_RXF_FRRDF },
+	{ "myl", 0x39, INSTR_RXF_FRRDF },
+	{ "may", 0x3a, INSTR_RXF_FRRDF },
+	{ "my", 0x3b, INSTR_RXF_FRRDF },
+	{ "mayh", 0x3c, INSTR_RXF_FRRDF },
+	{ "myh", 0x3d, INSTR_RXF_FRRDF },
+	{ "ley", 0x64, INSTR_RXY_FRRD },
+	{ "ldy", 0x65, INSTR_RXY_FRRD },
+	{ "stey", 0x66, INSTR_RXY_FRRD },
+	{ "stdy", 0x67, INSTR_RXY_FRRD },
+#endif
+	{ "ldeb", 0x04, INSTR_RXE_FRRD },
+	{ "lxdb", 0x05, INSTR_RXE_FRRD },
+	{ "lxeb", 0x06, INSTR_RXE_FRRD },
+	{ "mxdb", 0x07, INSTR_RXE_FRRD },
+	{ "keb", 0x08, INSTR_RXE_FRRD },
+	{ "ceb", 0x09, INSTR_RXE_FRRD },
+	{ "aeb", 0x0a, INSTR_RXE_FRRD },
+	{ "seb", 0x0b, INSTR_RXE_FRRD },
+	{ "mdeb", 0x0c, INSTR_RXE_FRRD },
+	{ "deb", 0x0d, INSTR_RXE_FRRD },
+	{ "maeb", 0x0e, INSTR_RXF_FRRDF },
+	{ "mseb", 0x0f, INSTR_RXF_FRRDF },
+	{ "tceb", 0x10, INSTR_RXE_FRRD },
+	{ "tcdb", 0x11, INSTR_RXE_FRRD },
+	{ "tcxb", 0x12, INSTR_RXE_FRRD },
+	{ "sqeb", 0x14, INSTR_RXE_FRRD },
+	{ "sqdb", 0x15, INSTR_RXE_FRRD },
+	{ "meeb", 0x17, INSTR_RXE_FRRD },
+	{ "kdb", 0x18, INSTR_RXE_FRRD },
+	{ "cdb", 0x19, INSTR_RXE_FRRD },
+	{ "adb", 0x1a, INSTR_RXE_FRRD },
+	{ "sdb", 0x1b, INSTR_RXE_FRRD },
+	{ "mdb", 0x1c, INSTR_RXE_FRRD },
+	{ "ddb", 0x1d, INSTR_RXE_FRRD },
+	{ "madb", 0x1e, INSTR_RXF_FRRDF },
+	{ "msdb", 0x1f, INSTR_RXF_FRRDF },
+	{ "lde", 0x24, INSTR_RXE_FRRD },
+	{ "lxd", 0x25, INSTR_RXE_FRRD },
+	{ "lxe", 0x26, INSTR_RXE_FRRD },
+	{ "mae", 0x2e, INSTR_RXF_FRRDF },
+	{ "mse", 0x2f, INSTR_RXF_FRRDF },
+	{ "sqe", 0x34, INSTR_RXE_FRRD },
+	{ "mee", 0x37, INSTR_RXE_FRRD },
+	{ "mad", 0x3e, INSTR_RXF_FRRDF },
+	{ "msd", 0x3f, INSTR_RXF_FRRDF },
+	{ "", 0, INSTR_INVALID }
+};
+
+/* Extracts an operand value from an instruction.  */
+static unsigned int extract_operand(unsigned char *code,
+				    const struct operand *operand)
+{
+	unsigned int val;
+	int bits;
+
+	/* Extract fragments of the operand byte for byte.  */
+	code += operand->shift / 8;
+	bits = (operand->shift & 7) + operand->bits;
+	val = 0;
+	do {
+		val <<= 8;
+		val |= (unsigned int) *code++;
+		bits -= 8;
+	} while (bits > 0);
+	val >>= -bits;
+	val &= ((1U << (operand->bits - 1)) << 1) - 1;
+
+	/* Check for special long displacement case.  */
+	if (operand->bits == 20 && operand->shift == 20)
+		val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;
+
+	/* Sign extend value if the operand is signed or pc relative.  */
+	if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&
+	    (val & (1U << (operand->bits - 1))))
+		val |= (-1U << (operand->bits - 1)) << 1;
+
+	/* Double value if the operand is pc relative.	*/
+	if (operand->flags & OPERAND_PCREL)
+		val <<= 1;
+
+	/* Length x in an instructions has real length x + 1.  */
+	if (operand->flags & OPERAND_LENGTH)
+		val++;
+	return val;
+}
+
+static inline int insn_length(unsigned char code)
+{
+	return ((((int) code + 64) >> 7) + 1) << 1;
+}
+
+static struct insn *find_insn(unsigned char *code)
+{
+	unsigned char opfrag = code[1];
+	unsigned char opmask;
+	struct insn *table;
+
+	switch (code[0]) {
+	case 0x01:
+		table = opcode_01;
+		break;
+	case 0xa5:
+		table = opcode_a5;
+		break;
+	case 0xa7:
+		table = opcode_a7;
+		break;
+	case 0xb2:
+		table = opcode_b2;
+		break;
+	case 0xb3:
+		table = opcode_b3;
+		break;
+	case 0xb9:
+		table = opcode_b9;
+		break;
+	case 0xc0:
+		table = opcode_c0;
+		break;
+	case 0xc2:
+		table = opcode_c2;
+		break;
+	case 0xc8:
+		table = opcode_c8;
+		break;
+	case 0xe3:
+		table = opcode_e3;
+		opfrag = code[5];
+		break;
+	case 0xe5:
+		table = opcode_e5;
+		break;
+	case 0xeb:
+		table = opcode_eb;
+		opfrag = code[5];
+		break;
+	case 0xec:
+		table = opcode_ec;
+		opfrag = code[5];
+		break;
+	case 0xed:
+		table = opcode_ed;
+		opfrag = code[5];
+		break;
+	default:
+		table = opcode;
+		opfrag = code[0];
+		break;
+	}
+	while (table->format != INSTR_INVALID) {
+		opmask = formats[table->format][0];
+		if (table->opfrag == (opfrag & opmask))
+			return table;
+		table++;
+	}
+	return NULL;
+}
+
+static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
+{
+	struct insn *insn;
+	const unsigned char *ops;
+	const struct operand *operand;
+	unsigned int value;
+	char separator;
+	char *ptr;
+
+	ptr = buffer;
+	insn = find_insn(code);
+	if (insn) {
+		ptr += sprintf(ptr, "%.5s\t", insn->name);
+		/* Extract the operands. */
+		separator = 0;
+		for (ops = formats[insn->format] + 1; *ops != 0; ops++) {
+			operand = operands + *ops;
+			value = extract_operand(code, operand);
+			if ((operand->flags & OPERAND_INDEX)  && value == 0)
+				continue;
+			if ((operand->flags & OPERAND_BASE) &&
+			    value == 0 && separator == '(') {
+				separator = ',';
+				continue;
+			}
+			if (separator)
+				ptr += sprintf(ptr, "%c", separator);
+			if (operand->flags & OPERAND_GPR)
+				ptr += sprintf(ptr, "%%r%i", value);
+			else if (operand->flags & OPERAND_FPR)
+				ptr += sprintf(ptr, "%%f%i", value);
+			else if (operand->flags & OPERAND_AR)
+				ptr += sprintf(ptr, "%%a%i", value);
+			else if (operand->flags & OPERAND_CR)
+				ptr += sprintf(ptr, "%%c%i", value);
+			else if (operand->flags & OPERAND_PCREL)
+				ptr += sprintf(ptr, "%lx", value + addr);
+			else if (operand->flags & OPERAND_SIGNED)
+				ptr += sprintf(ptr, "%i", value);
+			else
+				ptr += sprintf(ptr, "%u", value);
+			if (operand->flags & OPERAND_DISP)
+				separator = '(';
+			else if (operand->flags & OPERAND_BASE) {
+				ptr += sprintf(ptr, ")");
+				separator = ',';
+			} else
+				separator = ',';
+		}
+	} else
+		ptr += sprintf(ptr, "unknown");
+	return (int) (ptr - buffer);
+}
+
+void show_code(struct pt_regs *regs)
+{
+	char *mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl";
+	unsigned char code[64];
+	char buffer[64], *ptr;
+	mm_segment_t old_fs;
+	unsigned long addr;
+	int start, end, opsize, hops, i;
+
+	/* Get a snapshot of the 64 bytes surrounding the fault address. */
+	old_fs = get_fs();
+	set_fs((regs->psw.mask & PSW_MASK_PSTATE) ? USER_DS : KERNEL_DS);
+	for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) {
+		addr = regs->psw.addr - 34 + start;
+		if (__copy_from_user(code + start - 2,
+				     (char __user *) addr, 2))
+			break;
+	}
+	for (end = 32; end < 64; end += 2) {
+		addr = regs->psw.addr + end - 32;
+		if (__copy_from_user(code + end,
+				     (char __user *) addr, 2))
+			break;
+	}
+	set_fs(old_fs);
+	/* Code snapshot useable ? */
+	if ((regs->psw.addr & 1) || start >= end) {
+		printk("%s Code: Bad PSW.\n", mode);
+		return;
+	}
+	/* Find a starting point for the disassembly. */
+	while (start < 32) {
+		hops = 0;
+		for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) {
+			if (!find_insn(code + start + i))
+				break;
+			i += insn_length(code[start + i]);
+		}
+		if (start + i == 32)
+			/* Looks good, sequence ends at PSW. */
+			break;
+		start += 2;
+	}
+	/* Decode the instructions. */
+	ptr = buffer;
+	ptr += sprintf(ptr, "%s Code:", mode);
+	hops = 0;
+	while (start < end && hops < 8) {
+		*ptr++ = (start == 32) ? '>' : ' ';
+		addr = regs->psw.addr + start - 32;
+		ptr += sprintf(ptr, ONELONG, addr);
+		opsize = insn_length(code[start]);
+		if (start + opsize >= end)
+			break;
+		for (i = 0; i < opsize; i++)
+			ptr += sprintf(ptr, "%02x", code[start + i]);
+		*ptr++ = '\t';
+		if (i < 6)
+			*ptr++ = '\t';
+		ptr += print_insn(ptr, code + start, addr);
+		start += opsize;
+		printk(buffer);
+		ptr = buffer;
+		ptr += sprintf(ptr, "\n          ");
+		hops++;
+	}
+	printk("\n");
+}