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-rw-r--r--drivers/s390/cio/ccwgroup.c30
-rw-r--r--drivers/s390/cio/chsc.c10
-rw-r--r--drivers/s390/cio/cio.c8
-rw-r--r--drivers/s390/cio/css.c34
-rw-r--r--drivers/s390/cio/device.c84
-rw-r--r--drivers/s390/cio/device_fsm.c3
-rw-r--r--drivers/s390/cio/device_status.c5
-rw-r--r--drivers/s390/cio/qdio.c34
-rw-r--r--drivers/s390/cio/qdio.h16
9 files changed, 103 insertions, 121 deletions
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 306525acb9f8..91ea8e4777f3 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -403,34 +403,22 @@ ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
return driver_register(&cdriver->driver);
}
-static inline struct device *
-__get_next_ccwgroup_device(struct device_driver *drv)
+static int
+__ccwgroup_driver_unregister_device(struct device *dev, void *data)
{
- struct device *dev, *d;
-
- down_read(&drv->bus->subsys.rwsem);
- dev = NULL;
- list_for_each_entry(d, &drv->devices, driver_list) {
- dev = get_device(d);
- if (dev)
- break;
- }
- up_read(&drv->bus->subsys.rwsem);
- return dev;
+ __ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
+ device_unregister(dev);
+ put_device(dev);
+ return 0;
}
void
ccwgroup_driver_unregister (struct ccwgroup_driver *cdriver)
{
- struct device *dev;
-
/* We don't want ccwgroup devices to live longer than their driver. */
get_driver(&cdriver->driver);
- while ((dev = __get_next_ccwgroup_device(&cdriver->driver))) {
- __ccwgroup_remove_symlinks(to_ccwgroupdev(dev));
- device_unregister(dev);
- put_device(dev);
- };
+ driver_for_each_device(&cdriver->driver, NULL, NULL,
+ __ccwgroup_driver_unregister_device);
put_driver(&cdriver->driver);
driver_unregister(&cdriver->driver);
}
@@ -449,7 +437,7 @@ __ccwgroup_get_gdev_by_cdev(struct ccw_device *cdev)
if (cdev->dev.driver_data) {
gdev = (struct ccwgroup_device *)cdev->dev.driver_data;
if (get_device(&gdev->dev)) {
- if (!list_empty(&gdev->dev.node))
+ if (klist_node_attached(&gdev->dev.knode_bus))
return gdev;
put_device(&gdev->dev);
}
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index b86f94ecd874..fa3c23b80e3a 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/cio/chsc.c
* S/390 common I/O routines -- channel subsystem call
- * $Revision: 1.119 $
+ * $Revision: 1.120 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@@ -412,11 +412,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask)
if (chp_mask == 0) {
spin_unlock_irq(&sch->lock);
-
- if (fla_mask != 0)
- break;
- else
- continue;
+ continue;
}
old_lpm = sch->lpm;
sch->lpm = ((sch->schib.pmcw.pim &
@@ -430,7 +426,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask)
spin_unlock_irq(&sch->lock);
put_device(&sch->dev);
- if (fla_mask != 0)
+ if (fla_mask == 0xffff)
break;
}
return rc;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 1d9b3f18d8de..ea813bdce1d6 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -1,7 +1,7 @@
/*
* drivers/s390/cio/cio.c
* S/390 common I/O routines -- low level i/o calls
- * $Revision: 1.133 $
+ * $Revision: 1.134 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@@ -63,17 +63,17 @@ __setup ("cio_msg=", cio_setup);
static int __init
cio_debug_init (void)
{
- cio_debug_msg_id = debug_register ("cio_msg", 4, 4, 16*sizeof (long));
+ cio_debug_msg_id = debug_register ("cio_msg", 16, 4, 16*sizeof (long));
if (!cio_debug_msg_id)
goto out_unregister;
debug_register_view (cio_debug_msg_id, &debug_sprintf_view);
debug_set_level (cio_debug_msg_id, 2);
- cio_debug_trace_id = debug_register ("cio_trace", 4, 4, 8);
+ cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 8);
if (!cio_debug_trace_id)
goto out_unregister;
debug_register_view (cio_debug_trace_id, &debug_hex_ascii_view);
debug_set_level (cio_debug_trace_id, 2);
- cio_debug_crw_id = debug_register ("cio_crw", 2, 4, 16*sizeof (long));
+ cio_debug_crw_id = debug_register ("cio_crw", 4, 4, 16*sizeof (long));
if (!cio_debug_crw_id)
goto out_unregister;
debug_register_view (cio_debug_crw_id, &debug_sprintf_view);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 87bd70eeabed..555119cacc27 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -128,34 +128,28 @@ css_probe_device(int irq)
return ret;
}
+static int
+check_subchannel(struct device * dev, void * data)
+{
+ struct subchannel *sch;
+ int irq = (unsigned long)data;
+
+ sch = to_subchannel(dev);
+ return (sch->irq == irq);
+}
+
struct subchannel *
get_subchannel_by_schid(int irq)
{
- struct subchannel *sch;
- struct list_head *entry;
struct device *dev;
- if (!get_bus(&css_bus_type))
- return NULL;
- down_read(&css_bus_type.subsys.rwsem);
- sch = NULL;
- list_for_each(entry, &css_bus_type.devices.list) {
- dev = get_device(container_of(entry,
- struct device, bus_list));
- if (!dev)
- continue;
- sch = to_subchannel(dev);
- if (sch->irq == irq)
- break;
- put_device(dev);
- sch = NULL;
- }
- up_read(&css_bus_type.subsys.rwsem);
- put_bus(&css_bus_type);
+ dev = bus_find_device(&css_bus_type, NULL,
+ (void *)(unsigned long)irq, check_subchannel);
- return sch;
+ return dev ? to_subchannel(dev) : NULL;
}
+
static inline int
css_get_subchannel_status(struct subchannel *sch, int schid)
{
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 809e1108a06e..14c76f5e4177 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -514,36 +514,39 @@ ccw_device_register(struct ccw_device *cdev)
return ret;
}
+struct match_data {
+ unsigned int devno;
+ struct ccw_device * sibling;
+};
+
+static int
+match_devno(struct device * dev, void * data)
+{
+ struct match_data * d = (struct match_data *)data;
+ struct ccw_device * cdev;
+
+ cdev = to_ccwdev(dev);
+ if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
+ (cdev->private->devno == d->devno) &&
+ (cdev != d->sibling)) {
+ cdev->private->state = DEV_STATE_NOT_OPER;
+ return 1;
+ }
+ return 0;
+}
+
static struct ccw_device *
get_disc_ccwdev_by_devno(unsigned int devno, struct ccw_device *sibling)
{
- struct ccw_device *cdev;
- struct list_head *entry;
struct device *dev;
+ struct match_data data = {
+ .devno = devno,
+ .sibling = sibling,
+ };
- if (!get_bus(&ccw_bus_type))
- return NULL;
- down_read(&ccw_bus_type.subsys.rwsem);
- cdev = NULL;
- list_for_each(entry, &ccw_bus_type.devices.list) {
- dev = get_device(container_of(entry,
- struct device, bus_list));
- if (!dev)
- continue;
- cdev = to_ccwdev(dev);
- if ((cdev->private->state == DEV_STATE_DISCONNECTED) &&
- (cdev->private->devno == devno) &&
- (cdev != sibling)) {
- cdev->private->state = DEV_STATE_NOT_OPER;
- break;
- }
- put_device(dev);
- cdev = NULL;
- }
- up_read(&ccw_bus_type.subsys.rwsem);
- put_bus(&ccw_bus_type);
+ dev = bus_find_device(&css_bus_type, NULL, &data, match_devno);
- return cdev;
+ return dev ? to_ccwdev(dev) : NULL;
}
static void
@@ -647,7 +650,7 @@ io_subchannel_register(void *data)
cdev = (struct ccw_device *) data;
sch = to_subchannel(cdev->dev.parent);
- if (!list_empty(&sch->dev.children)) {
+ if (klist_node_attached(&cdev->dev.knode_parent)) {
bus_rescan_devices(&ccw_bus_type);
goto out;
}
@@ -1019,30 +1022,29 @@ ccw_device_probe_console(void)
/*
* get ccw_device matching the busid, but only if owned by cdrv
*/
+static int
+__ccwdev_check_busid(struct device *dev, void *id)
+{
+ char *bus_id;
+
+ bus_id = (char *)id;
+
+ return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0);
+}
+
+
struct ccw_device *
get_ccwdev_by_busid(struct ccw_driver *cdrv, const char *bus_id)
{
- struct device *d, *dev;
+ struct device *dev;
struct device_driver *drv;
drv = get_driver(&cdrv->driver);
if (!drv)
- return 0;
-
- down_read(&drv->bus->subsys.rwsem);
-
- dev = NULL;
- list_for_each_entry(d, &drv->devices, driver_list) {
- dev = get_device(d);
+ return NULL;
- if (dev && !strncmp(bus_id, dev->bus_id, BUS_ID_SIZE))
- break;
- else if (dev) {
- put_device(dev);
- dev = NULL;
- }
- }
- up_read(&drv->bus->subsys.rwsem);
+ dev = driver_find_device(drv, NULL, (void *)bus_id,
+ __ccwdev_check_busid);
put_driver(drv);
return dev ? to_ccwdev(dev) : 0;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 9b7f6f548b1d..ee7a05e0c3ba 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -235,6 +235,9 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
sch->schib.pmcw.pam &
sch->schib.pmcw.pom &
sch->opm;
+ /* Check since device may again have become not operational. */
+ if (!sch->schib.pmcw.dnv)
+ state = DEV_STATE_NOT_OPER;
if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID)
/* Force reprobe on all chpids. */
old_lpm = 0;
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index 4ab2e0d95009..12a24d4331a2 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -39,15 +39,14 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb)
" ... device %04X on subchannel %04X, dev_stat "
": %02X sch_stat : %02X\n",
cdev->private->devno, cdev->private->irq,
- cdev->private->irb.scsw.dstat,
- cdev->private->irb.scsw.cstat);
+ irb->scsw.dstat, irb->scsw.cstat);
if (irb->scsw.cc != 3) {
char dbf_text[15];
sprintf(dbf_text, "chk%x", cdev->private->irq);
CIO_TRACE_EVENT(0, dbf_text);
- CIO_HEX_EVENT(0, &cdev->private->irb, sizeof (struct irb));
+ CIO_HEX_EVENT(0, irb, sizeof (struct irb));
}
}
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index bbe9f45d1438..d36258d6665f 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -56,7 +56,7 @@
#include "ioasm.h"
#include "chsc.h"
-#define VERSION_QDIO_C "$Revision: 1.98 $"
+#define VERSION_QDIO_C "$Revision: 1.101 $"
/****************** MODULE PARAMETER VARIABLES ********************/
MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
@@ -432,7 +432,7 @@ tiqdio_clear_global_summary(void)
/************************* OUTBOUND ROUTINES *******************************/
-inline static int
+static inline int
qdio_get_outbound_buffer_frontier(struct qdio_q *q)
{
int f,f_mod_no;
@@ -510,7 +510,7 @@ out:
}
/* all buffers are processed */
-inline static int
+static inline int
qdio_is_outbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -532,7 +532,7 @@ qdio_is_outbound_q_done(struct qdio_q *q)
return (no_used==0);
}
-inline static int
+static inline int
qdio_has_outbound_q_moved(struct qdio_q *q)
{
int i;
@@ -552,7 +552,7 @@ qdio_has_outbound_q_moved(struct qdio_q *q)
}
}
-inline static void
+static inline void
qdio_kick_outbound_q(struct qdio_q *q)
{
int result;
@@ -641,7 +641,7 @@ qdio_kick_outbound_q(struct qdio_q *q)
}
}
-inline static void
+static inline void
qdio_kick_outbound_handler(struct qdio_q *q)
{
int start, end, real_end, count;
@@ -740,7 +740,7 @@ qdio_outbound_processing(struct qdio_q *q)
/************************* INBOUND ROUTINES *******************************/
-inline static int
+static inline int
qdio_get_inbound_buffer_frontier(struct qdio_q *q)
{
int f,f_mod_no;
@@ -865,7 +865,7 @@ out:
return q->first_to_check;
}
-inline static int
+static inline int
qdio_has_inbound_q_moved(struct qdio_q *q)
{
int i;
@@ -898,7 +898,7 @@ qdio_has_inbound_q_moved(struct qdio_q *q)
}
/* means, no more buffers to be filled */
-inline static int
+static inline int
tiqdio_is_inbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -951,7 +951,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q)
return 0;
}
-inline static int
+static inline int
qdio_is_inbound_q_done(struct qdio_q *q)
{
int no_used;
@@ -1010,7 +1010,7 @@ qdio_is_inbound_q_done(struct qdio_q *q)
}
}
-inline static void
+static inline void
qdio_kick_inbound_handler(struct qdio_q *q)
{
int count, start, end, real_end, i;
@@ -3342,7 +3342,7 @@ static int
qdio_register_dbf_views(void)
{
qdio_dbf_setup=debug_register(QDIO_DBF_SETUP_NAME,
- QDIO_DBF_SETUP_INDEX,
+ QDIO_DBF_SETUP_PAGES,
QDIO_DBF_SETUP_NR_AREAS,
QDIO_DBF_SETUP_LEN);
if (!qdio_dbf_setup)
@@ -3351,7 +3351,7 @@ qdio_register_dbf_views(void)
debug_set_level(qdio_dbf_setup,QDIO_DBF_SETUP_LEVEL);
qdio_dbf_sbal=debug_register(QDIO_DBF_SBAL_NAME,
- QDIO_DBF_SBAL_INDEX,
+ QDIO_DBF_SBAL_PAGES,
QDIO_DBF_SBAL_NR_AREAS,
QDIO_DBF_SBAL_LEN);
if (!qdio_dbf_sbal)
@@ -3361,7 +3361,7 @@ qdio_register_dbf_views(void)
debug_set_level(qdio_dbf_sbal,QDIO_DBF_SBAL_LEVEL);
qdio_dbf_sense=debug_register(QDIO_DBF_SENSE_NAME,
- QDIO_DBF_SENSE_INDEX,
+ QDIO_DBF_SENSE_PAGES,
QDIO_DBF_SENSE_NR_AREAS,
QDIO_DBF_SENSE_LEN);
if (!qdio_dbf_sense)
@@ -3371,7 +3371,7 @@ qdio_register_dbf_views(void)
debug_set_level(qdio_dbf_sense,QDIO_DBF_SENSE_LEVEL);
qdio_dbf_trace=debug_register(QDIO_DBF_TRACE_NAME,
- QDIO_DBF_TRACE_INDEX,
+ QDIO_DBF_TRACE_PAGES,
QDIO_DBF_TRACE_NR_AREAS,
QDIO_DBF_TRACE_LEN);
if (!qdio_dbf_trace)
@@ -3382,7 +3382,7 @@ qdio_register_dbf_views(void)
#ifdef CONFIG_QDIO_DEBUG
qdio_dbf_slsb_out=debug_register(QDIO_DBF_SLSB_OUT_NAME,
- QDIO_DBF_SLSB_OUT_INDEX,
+ QDIO_DBF_SLSB_OUT_PAGES,
QDIO_DBF_SLSB_OUT_NR_AREAS,
QDIO_DBF_SLSB_OUT_LEN);
if (!qdio_dbf_slsb_out)
@@ -3391,7 +3391,7 @@ qdio_register_dbf_views(void)
debug_set_level(qdio_dbf_slsb_out,QDIO_DBF_SLSB_OUT_LEVEL);
qdio_dbf_slsb_in=debug_register(QDIO_DBF_SLSB_IN_NAME,
- QDIO_DBF_SLSB_IN_INDEX,
+ QDIO_DBF_SLSB_IN_PAGES,
QDIO_DBF_SLSB_IN_NR_AREAS,
QDIO_DBF_SLSB_IN_LEN);
if (!qdio_dbf_slsb_in)
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index b6daadac4e8b..6b8aa6a852be 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -3,7 +3,7 @@
#include <asm/page.h>
-#define VERSION_CIO_QDIO_H "$Revision: 1.32 $"
+#define VERSION_CIO_QDIO_H "$Revision: 1.33 $"
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_VERBOSE_LEVEL 9
@@ -132,7 +132,7 @@ enum qdio_irq_states {
#define QDIO_DBF_SETUP_NAME "qdio_setup"
#define QDIO_DBF_SETUP_LEN 8
-#define QDIO_DBF_SETUP_INDEX 2
+#define QDIO_DBF_SETUP_PAGES 4
#define QDIO_DBF_SETUP_NR_AREAS 1
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_SETUP_LEVEL 6
@@ -142,7 +142,7 @@ enum qdio_irq_states {
#define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */
#define QDIO_DBF_SBAL_LEN 256
-#define QDIO_DBF_SBAL_INDEX 2
+#define QDIO_DBF_SBAL_PAGES 4
#define QDIO_DBF_SBAL_NR_AREAS 2
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_SBAL_LEVEL 6
@@ -154,16 +154,16 @@ enum qdio_irq_states {
#define QDIO_DBF_TRACE_LEN 8
#define QDIO_DBF_TRACE_NR_AREAS 2
#ifdef CONFIG_QDIO_DEBUG
-#define QDIO_DBF_TRACE_INDEX 4
+#define QDIO_DBF_TRACE_PAGES 16
#define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */
#else /* CONFIG_QDIO_DEBUG */
-#define QDIO_DBF_TRACE_INDEX 2
+#define QDIO_DBF_TRACE_PAGES 4
#define QDIO_DBF_TRACE_LEVEL 2
#endif /* CONFIG_QDIO_DEBUG */
#define QDIO_DBF_SENSE_NAME "qdio_sense"
#define QDIO_DBF_SENSE_LEN 64
-#define QDIO_DBF_SENSE_INDEX 1
+#define QDIO_DBF_SENSE_PAGES 2
#define QDIO_DBF_SENSE_NR_AREAS 1
#ifdef CONFIG_QDIO_DEBUG
#define QDIO_DBF_SENSE_LEVEL 6
@@ -176,13 +176,13 @@ enum qdio_irq_states {
#define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out"
#define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_OUT_INDEX 8
+#define QDIO_DBF_SLSB_OUT_PAGES 256
#define QDIO_DBF_SLSB_OUT_NR_AREAS 1
#define QDIO_DBF_SLSB_OUT_LEVEL 6
#define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in"
#define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q
-#define QDIO_DBF_SLSB_IN_INDEX 8
+#define QDIO_DBF_SLSB_IN_PAGES 256
#define QDIO_DBF_SLSB_IN_NR_AREAS 1
#define QDIO_DBF_SLSB_IN_LEVEL 6
#endif /* CONFIG_QDIO_DEBUG */
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-21 01:00:31 +0100