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-rw-r--r--drivers/s390/block/dasd.c5
-rw-r--r--drivers/s390/block/dasd_devmap.c102
-rw-r--r--drivers/s390/block/dasd_eckd.c51
-rw-r--r--drivers/s390/block/dasd_eckd.h46
-rw-r--r--drivers/s390/block/dasd_int.h12
-rw-r--r--drivers/s390/char/tape_3590.c22
-rw-r--r--drivers/s390/char/tape_std.h1
-rw-r--r--drivers/s390/cio/chsc.c30
-rw-r--r--drivers/s390/cio/css.h4
-rw-r--r--drivers/s390/cio/device_fsm.c2
-rw-r--r--drivers/s390/cio/qdio.c36
-rw-r--r--drivers/s390/net/ctcmain.c26
-rw-r--r--drivers/s390/net/ctctty.c10
-rw-r--r--drivers/s390/net/cu3088.c10
-rw-r--r--drivers/s390/net/iucv.c36
-rw-r--r--drivers/s390/net/iucv.h622
-rw-r--r--drivers/s390/net/lcs.c347
-rw-r--r--drivers/s390/net/lcs.h14
-rw-r--r--drivers/s390/net/netiucv.c36
-rw-r--r--drivers/s390/net/qeth.h18
-rw-r--r--drivers/s390/net/qeth_eddp.c18
-rw-r--r--drivers/s390/net/qeth_fs.h2
-rw-r--r--drivers/s390/net/qeth_main.c108
-rw-r--r--drivers/s390/net/qeth_mpc.h4
-rw-r--r--drivers/s390/net/qeth_proc.c8
-rw-r--r--drivers/s390/net/qeth_sys.c6
-rw-r--r--drivers/s390/net/qeth_tso.h4
-rw-r--r--drivers/s390/s390mach.c34
28 files changed, 911 insertions, 703 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index a3bfebcf31e..cfb1fff3787 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -315,6 +315,11 @@ dasd_increase_state(struct dasd_device *device)
rc = dasd_state_basic_to_ready(device);
if (!rc &&
+ device->state == DASD_STATE_UNFMT &&
+ device->target > DASD_STATE_UNFMT)
+ rc = -EPERM;
+
+ if (!rc &&
device->state == DASD_STATE_READY &&
device->target >= DASD_STATE_ONLINE)
rc = dasd_state_ready_to_online(device);
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index c1c6f138115..216bc4fba19 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -45,6 +45,7 @@ struct dasd_devmap {
unsigned int devindex;
unsigned short features;
struct dasd_device *device;
+ struct dasd_uid uid;
};
/*
@@ -716,6 +717,68 @@ dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *bu
static DEVICE_ATTR(discipline, 0444, dasd_discipline_show, NULL);
+static ssize_t
+dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ int alias;
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap))
+ alias = devmap->uid.alias;
+ else
+ alias = 0;
+ spin_unlock(&dasd_devmap_lock);
+
+ return sprintf(buf, alias ? "1\n" : "0\n");
+}
+
+static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL);
+
+static ssize_t
+dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ char *vendor;
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+ vendor = devmap->uid.vendor;
+ else
+ vendor = "";
+ spin_unlock(&dasd_devmap_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", vendor);
+}
+
+static DEVICE_ATTR(vendor, 0444, dasd_vendor_show, NULL);
+
+#define UID_STRLEN ( /* vendor */ 3 + 1 + /* serial */ 14 + 1 +\
+ /* SSID */ 4 + 1 + /* unit addr */ 2 + 1)
+
+static ssize_t
+dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct dasd_devmap *devmap;
+ char uid[UID_STRLEN];
+
+ devmap = dasd_find_busid(dev->bus_id);
+ spin_lock(&dasd_devmap_lock);
+ if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
+ snprintf(uid, sizeof(uid), "%s.%s.%04x.%02x",
+ devmap->uid.vendor, devmap->uid.serial,
+ devmap->uid.ssid, devmap->uid.unit_addr);
+ else
+ uid[0] = 0;
+ spin_unlock(&dasd_devmap_lock);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", uid);
+}
+
+static DEVICE_ATTR(uid, 0444, dasd_uid_show, NULL);
+
/*
* extended error-reporting
*/
@@ -759,6 +822,9 @@ static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store);
static struct attribute * dasd_attrs[] = {
&dev_attr_readonly.attr,
&dev_attr_discipline.attr,
+ &dev_attr_alias.attr,
+ &dev_attr_vendor.attr,
+ &dev_attr_uid.attr,
&dev_attr_use_diag.attr,
&dev_attr_eer_enabled.attr,
NULL,
@@ -768,6 +834,42 @@ static struct attribute_group dasd_attr_group = {
.attrs = dasd_attrs,
};
+
+/*
+ * Return copy of the device unique identifier.
+ */
+int
+dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+ struct dasd_devmap *devmap;
+
+ devmap = dasd_find_busid(cdev->dev.bus_id);
+ if (IS_ERR(devmap))
+ return PTR_ERR(devmap);
+ spin_lock(&dasd_devmap_lock);
+ *uid = devmap->uid;
+ spin_unlock(&dasd_devmap_lock);
+ return 0;
+}
+
+/*
+ * Register the given device unique identifier into devmap struct.
+ */
+int
+dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid)
+{
+ struct dasd_devmap *devmap;
+
+ devmap = dasd_find_busid(cdev->dev.bus_id);
+ if (IS_ERR(devmap))
+ return PTR_ERR(devmap);
+ spin_lock(&dasd_devmap_lock);
+ devmap->uid = *uid;
+ spin_unlock(&dasd_devmap_lock);
+ return 0;
+}
+EXPORT_SYMBOL(dasd_set_uid);
+
/*
* Return value of the specified feature.
*/
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ee09ef33d08..7d5a6cee4bd 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -446,6 +446,39 @@ dasd_eckd_cdl_reclen(int recid)
return LABEL_SIZE;
}
+/*
+ * Generate device unique id that specifies the physical device.
+ */
+static int
+dasd_eckd_generate_uid(struct dasd_device *device, struct dasd_uid *uid)
+{
+ struct dasd_eckd_private *private;
+ struct dasd_eckd_confdata *confdata;
+
+ private = (struct dasd_eckd_private *) device->private;
+ if (!private)
+ return -ENODEV;
+ confdata = &private->conf_data;
+ if (!confdata)
+ return -ENODEV;
+
+ memset(uid, 0, sizeof(struct dasd_uid));
+ strncpy(uid->vendor, confdata->ned1.HDA_manufacturer,
+ sizeof(uid->vendor) - 1);
+ EBCASC(uid->vendor, sizeof(uid->vendor) - 1);
+ strncpy(uid->serial, confdata->ned1.HDA_location,
+ sizeof(uid->serial) - 1);
+ EBCASC(uid->serial, sizeof(uid->serial) - 1);
+ uid->ssid = confdata->neq.subsystemID;
+ if (confdata->ned2.sneq.flags == 0x40) {
+ uid->alias = 1;
+ uid->unit_addr = confdata->ned2.sneq.base_unit_addr;
+ } else
+ uid->unit_addr = confdata->ned1.unit_addr;
+
+ return 0;
+}
+
static int
dasd_eckd_read_conf(struct dasd_device *device)
{
@@ -507,11 +540,15 @@ dasd_eckd_read_conf(struct dasd_device *device)
return 0;
}
-
+/*
+ * Check device characteristics.
+ * If the device is accessible using ECKD discipline, the device is enabled.
+ */
static int
dasd_eckd_check_characteristics(struct dasd_device *device)
{
struct dasd_eckd_private *private;
+ struct dasd_uid uid;
void *rdc_data;
int rc;
@@ -536,6 +573,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
/* Read Device Characteristics */
rdc_data = (void *) &(private->rdc_data);
+ memset(rdc_data, 0, sizeof(rdc_data));
rc = read_dev_chars(device->cdev, &rdc_data, 64);
if (rc) {
DEV_MESSAGE(KERN_WARNING, device,
@@ -556,8 +594,17 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
/* Read Configuration Data */
rc = dasd_eckd_read_conf (device);
- return rc;
+ if (rc)
+ return rc;
+
+ /* Generate device unique id and register in devmap */
+ rc = dasd_eckd_generate_uid(device, &uid);
+ if (rc)
+ return rc;
+ rc = dasd_set_uid(device->cdev, &uid);
+
+ return rc;
}
static struct dasd_ccw_req *
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index ad8524bb7bb..d5734e976e1 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -228,26 +228,36 @@ struct dasd_eckd_confdata {
unsigned char HDA_manufacturer[3];
unsigned char HDA_location[2];
unsigned char HDA_seqno[12];
- __u16 ID;
+ __u8 ID;
+ __u8 unit_addr;
} __attribute__ ((packed)) ned1;
- struct {
+ union {
struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char dev_type[6];
- unsigned char dev_model[3];
- unsigned char DASD_manufacturer[3];
- unsigned char DASD_location[2];
- unsigned char DASD_seqno[12];
- __u16 ID;
+ struct {
+ unsigned char identifier:2;
+ unsigned char token_id:1;
+ unsigned char sno_valid:1;
+ unsigned char subst_sno:1;
+ unsigned char recNED:1;
+ unsigned char emuNED:1;
+ unsigned char reserved:1;
+ } __attribute__ ((packed)) flags;
+ __u8 descriptor;
+ __u8 reserved[2];
+ unsigned char dev_type[6];
+ unsigned char dev_model[3];
+ unsigned char DASD_manufacturer[3];
+ unsigned char DASD_location[2];
+ unsigned char DASD_seqno[12];
+ __u16 ID;
+ } __attribute__ ((packed)) ned;
+ struct {
+ unsigned char flags; /* byte 0 */
+ unsigned char res2[7]; /* byte 1- 7 */
+ unsigned char sua_flags; /* byte 8 */
+ __u8 base_unit_addr; /* byte 9 */
+ unsigned char res3[22]; /* byte 10-31 */
+ } __attribute__ ((packed)) sneq;
} __attribute__ ((packed)) ned2;
struct {
struct {
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 4293ba82752..d4b13e300a7 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -268,6 +268,16 @@ struct dasd_discipline {
extern struct dasd_discipline *dasd_diag_discipline_pointer;
+/*
+ * Unique identifier for dasd device.
+ */
+struct dasd_uid {
+ __u8 alias;
+ char vendor[4];
+ char serial[15];
+ __u16 ssid;
+ __u8 unit_addr;
+};
/*
* Notification numbers for extended error reporting notifications:
@@ -516,6 +526,8 @@ void dasd_devmap_exit(void);
struct dasd_device *dasd_create_device(struct ccw_device *);
void dasd_delete_device(struct dasd_device *);
+int dasd_get_uid(struct ccw_device *, struct dasd_uid *);
+int dasd_set_uid(struct ccw_device *, struct dasd_uid *);
int dasd_get_feature(struct ccw_device *, int);
int dasd_set_feature(struct ccw_device *, int, int);
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index c3915f60a3a..d71ef1adea5 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -230,14 +230,16 @@ tape_3590_read_attmsg(struct tape_device *device)
* These functions are used to schedule follow-up actions from within an
* interrupt context (like unsolicited interrupts).
*/
+struct work_handler_data {
+ struct tape_device *device;
+ enum tape_op op;
+ struct work_struct work;
+};
+
static void
tape_3590_work_handler(void *data)
{
- struct {
- struct tape_device *device;
- enum tape_op op;
- struct work_struct work;
- } *p = data;
+ struct work_handler_data *p = data;
switch (p->op) {
case TO_MSEN:
@@ -257,11 +259,7 @@ tape_3590_work_handler(void *data)
static int
tape_3590_schedule_work(struct tape_device *device, enum tape_op op)
{
- struct {
- struct tape_device *device;
- enum tape_op op;
- struct work_struct work;
- } *p;
+ struct work_handler_data *p;
if ((p = kzalloc(sizeof(*p), GFP_ATOMIC)) == NULL)
return -ENOMEM;
@@ -316,7 +314,7 @@ tape_3590_bread(struct tape_device *device, struct request *req)
rq_for_each_bio(bio, req) {
bio_for_each_segment(bv, bio, i) {
- dst = kmap(bv->bv_page) + bv->bv_offset;
+ dst = page_address(bv->bv_page) + bv->bv_offset;
for (off = 0; off < bv->bv_len;
off += TAPEBLOCK_HSEC_SIZE) {
ccw->flags = CCW_FLAG_CC;
@@ -1168,6 +1166,7 @@ tape_3590_setup_device(struct tape_device *device)
static void
tape_3590_cleanup_device(struct tape_device *device)
{
+ flush_scheduled_work();
tape_std_unassign(device);
kfree(device->discdata);
@@ -1234,6 +1233,7 @@ static struct tape_discipline tape_discipline_3590 = {
static struct ccw_device_id tape_3590_ids[] = {
{CCW_DEVICE_DEVTYPE(0x3590, 0, 0x3590, 0), .driver_info = tape_3590},
+ {CCW_DEVICE_DEVTYPE(0x3592, 0, 0x3592, 0), .driver_info = tape_3592},
{ /* end of list */ }
};
diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h
index 2d311798edf..1fc95235934 100644
--- a/drivers/s390/char/tape_std.h
+++ b/drivers/s390/char/tape_std.h
@@ -153,6 +153,7 @@ enum s390_tape_type {
tape_3480,
tape_3490,
tape_3590,
+ tape_3592,
};
#endif // _TAPE_STD_H
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 6412b2c3edd..72187e54dca 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -242,28 +242,10 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
if (sch->vpm == mask)
goto out_unreg;
- if ((sch->schib.scsw.actl & (SCSW_ACTL_CLEAR_PEND |
- SCSW_ACTL_HALT_PEND |
- SCSW_ACTL_START_PEND |
- SCSW_ACTL_RESUME_PEND)) &&
- (sch->schib.pmcw.lpum == mask)) {
- int cc = cio_cancel(sch);
-
- if (cc == -ENODEV)
- goto out_unreg;
-
- if (cc == -EINVAL) {
- cc = cio_clear(sch);
- if (cc == -ENODEV)
- goto out_unreg;
- /* Call handler. */
- if (sch->driver && sch->driver->termination)
- sch->driver->termination(&sch->dev);
- goto out_unlock;
- }
- } else if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
- (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
- (sch->schib.pmcw.lpum == mask)) {
+ if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
+ (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
+ (sch->schib.pmcw.lpum == mask) &&
+ (sch->vpm == 0)) {
int cc;
cc = cio_clear(sch);
@@ -653,13 +635,13 @@ __chp_add(struct subchannel_id schid, void *data)
if (sch->schib.pmcw.chpid[i] == chp->id) {
if (stsch(sch->schid, &sch->schib) != 0) {
/* Endgame. */
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return -ENXIO;
}
break;
}
if (i==8) {
- spin_unlock(&sch->lock);
+ spin_unlock_irq(&sch->lock);
return 0;
}
sch->lpm = ((sch->schib.pmcw.pim &
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 74a257b2338..e210f89a244 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -45,11 +45,11 @@ struct pgid {
union {
__u8 fc; /* SPID function code */
struct path_state ps; /* SNID path state */
- } inf;
+ } __attribute__ ((packed)) inf;
union {
__u32 cpu_addr : 16; /* CPU address */
struct extended_cssid ext_cssid;
- } pgid_high;
+ } __attribute__ ((packed)) pgid_high;
__u32 cpu_id : 24; /* CPU identification */
__u32 cpu_model : 16; /* CPU model */
__u32 tod_high; /* high word TOD clock */
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 180b3bf8b90..49ec562d7f6 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -749,7 +749,7 @@ ccw_device_irq(struct ccw_device *cdev, enum dev_event dev_event)
/* Unit check but no sense data. Need basic sense. */
if (ccw_device_do_sense(cdev, irb) != 0)
goto call_handler_unsol;
- memcpy(irb, &cdev->private->irb, sizeof(struct irb));
+ memcpy(&cdev->private->irb, irb, sizeof(struct irb));
cdev->private->state = DEV_STATE_W4SENSE;
cdev->private->intparm = 0;
return;
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index 814f9258ce0..96f519281d9 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -38,6 +38,7 @@
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/timer.h>
+#include <linux/mempool.h>
#include <asm/ccwdev.h>
#include <asm/io.h>
@@ -80,6 +81,8 @@ static int indicator_used[INDICATORS_PER_CACHELINE];
static __u32 * volatile indicators;
static __u32 volatile spare_indicator;
static atomic_t spare_indicator_usecount;
+#define QDIO_MEMPOOL_SCSSC_ELEMENTS 2
+static mempool_t *qdio_mempool_scssc;
static debug_info_t *qdio_dbf_setup;
static debug_info_t *qdio_dbf_sbal;
@@ -1637,7 +1640,7 @@ next:
}
kfree(irq_ptr->qdr);
- kfree(irq_ptr);
+ free_page((unsigned long) irq_ptr);
}
static void
@@ -2304,7 +2307,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
QDIO_DBF_TEXT0(0,setup,"getssqd");
qdioac = 0;
- ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ ssqd_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!ssqd_area) {
QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \
"SIGAs for sch x%x.\n", irq_ptr->schid.sch_no);
@@ -2364,7 +2367,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr)
out:
qdio_check_subchannel_qebsm(irq_ptr, qdioac,
ssqd_area->sch_token);
- free_page ((unsigned long) ssqd_area);
+ mempool_free(ssqd_area, qdio_mempool_scssc);
irq_ptr->qdioac = qdioac;
}
@@ -2458,7 +2461,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero)
virt_to_phys((volatile void *)irq_ptr->dev_st_chg_ind);
}
- scssc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ scssc_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!scssc_area) {
QDIO_PRINT_WARN("No memory for setting indicators on " \
"subchannel 0.%x.%x.\n",
@@ -2514,7 +2517,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero)
QDIO_DBF_HEX2(0,setup,&real_addr_dev_st_chg_ind,sizeof(unsigned long));
result = 0;
out:
- free_page ((unsigned long) scssc_area);
+ mempool_free(scssc_area, qdio_mempool_scssc);
return result;
}
@@ -2543,7 +2546,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target)
if (!irq_ptr->is_thinint_irq)
return -ENODEV;
- scsscf_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ scsscf_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC);
if (!scsscf_area) {
QDIO_PRINT_WARN("No memory for setting delay target on " \
"subchannel 0.%x.%x.\n",
@@ -2581,7 +2584,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target)
QDIO_DBF_HEX2(0,trace,&delay_target,sizeof(unsigned long));
result = 0; /* not critical */
out:
- free_page ((unsigned long) scsscf_area);
+ mempool_free(scsscf_area, qdio_mempool_scssc);
return result;
}
@@ -2980,7 +2983,7 @@ qdio_allocate(struct qdio_initialize *init_data)
qdio_allocate_do_dbf(init_data);
/* create irq */
- irq_ptr = kzalloc(sizeof(struct qdio_irq), GFP_KERNEL | GFP_DMA);
+ irq_ptr = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
QDIO_DBF_TEXT0(0,setup,"irq_ptr:");
QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*));
@@ -2995,7 +2998,7 @@ qdio_allocate(struct qdio_initialize *init_data)
/* QDR must be in DMA area since CCW data address is only 32 bit */
irq_ptr->qdr=kmalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA);
if (!(irq_ptr->qdr)) {
- kfree(irq_ptr);
+ free_page((unsigned long) irq_ptr);
QDIO_PRINT_ERR("kmalloc of irq_ptr->qdr failed!\n");
return -ENOMEM;
}
@@ -3780,6 +3783,16 @@ oom:
return -ENOMEM;
}
+static void *qdio_mempool_alloc(gfp_t gfp_mask, void *size)
+{
+ return (void *) get_zeroed_page(gfp_mask|GFP_DMA);
+}
+
+static void qdio_mempool_free(void *element, void *size)
+{
+ free_page((unsigned long) element);
+}
+
static int __init
init_QDIO(void)
{
@@ -3809,6 +3822,10 @@ init_QDIO(void)
qdio_add_procfs_entry();
+ qdio_mempool_scssc = mempool_create(QDIO_MEMPOOL_SCSSC_ELEMENTS,
+ qdio_mempool_alloc,
+ qdio_mempool_free, NULL);
+
if (tiqdio_check_chsc_availability())
QDIO_PRINT_ERR("Not all CHSCs supported. Continuing.\n");
@@ -3824,6 +3841,7 @@ cleanup_QDIO(void)
qdio_remove_procfs_entry();
qdio_release_qdio_memory();
qdio_unregister_dbf_views();
+ mempool_destroy(qdio_mempool_scssc);
printk("qdio: %s: module removed\n",version);
}
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index af9f212314b..fe986af884f 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -1486,13 +1486,13 @@ ch_action_iofatal(fsm_instance * fi, int event, void *arg)
}
}
-static void
+static void
ch_action_reinit(fsm_instance *fi, int event, void *arg)
{
struct channel *ch = (struct channel *)arg;
struct net_device *dev = ch->netdev;
struct ctc_priv *privptr = dev->priv;
-
+
DBF_TEXT(trace, 4, __FUNCTION__);
ch_action_iofatal(fi, event, arg);
fsm_addtimer(&privptr->restart_timer, 1000, DEV_EVENT_RESTART, dev);
@@ -1624,7 +1624,7 @@ less_than(char *id1, char *id2)
}
dev1 = simple_strtoul(id1, &id1, 16);
dev2 = simple_strtoul(id2, &id2, 16);
-
+
return (dev1 < dev2);
}
@@ -1895,7 +1895,7 @@ ctc_irq_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
irb->scsw.dstat);
return;
}
-
+
priv = ((struct ccwgroup_device *)cdev->dev.driver_data)
->dev.driver_data;
@@ -1909,7 +1909,7 @@ ctc_irq_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
"device %s\n", cdev->dev.bus_id);
return;
}
-
+
dev = (struct net_device *) (ch->netdev);
if (dev == NULL) {
ctc_pr_crit("ctc: ctc_irq_handler dev=NULL bus_id=%s, ch=0x%p\n",
@@ -2008,12 +2008,12 @@ dev_action_stop(fsm_instance * fi, int event, void *arg)
fsm_event(ch->fsm, CH_EVENT_STOP, ch);
}
}
-static void
+static void
dev_action_restart(fsm_instance *fi, int event, void *arg)
{
struct net_device *dev = (struct net_device *)arg;
struct ctc_priv *privptr = dev->priv;
-
+
DBF_TEXT(trace, 3, __FUNCTION__);
ctc_pr_debug("%s: Restarting\n", dev->name);
dev_action_stop(fi, event, arg);
@@ -2193,7 +2193,7 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
DBF_TEXT(trace, 5, __FUNCTION__);
/* we need to acquire the lock for testing the state
- * otherwise we can have an IRQ changing the state to
+ * otherwise we can have an IRQ changing the state to
* TXIDLE after the test but before acquiring the lock.
*/
spin_lock_irqsave(&ch->collect_lock, saveflags);
@@ -2393,7 +2393,7 @@ ctc_tx(struct sk_buff *skb, struct net_device * dev)
/**
* If channels are not running, try to restart them
- * and throw away packet.
+ * and throw away packet.
*/
if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) {
fsm_event(privptr->fsm, DEV_EVENT_START, dev);
@@ -2738,7 +2738,7 @@ ctc_remove_files(struct device *dev)
/**
* Add ctc specific attributes.
* Add ctc private data.
- *
+ *
* @param cgdev pointer to ccwgroup_device just added
*
* @returns 0 on success, !0 on failure.
@@ -2869,7 +2869,7 @@ ctc_new_device(struct ccwgroup_device *cgdev)
DBF_TEXT(setup, 3, buffer);
type = get_channel_type(&cgdev->cdev[0]->id);
-
+
snprintf(read_id, CTC_ID_SIZE, "ch-%s", cgdev->cdev[0]->dev.bus_id);
snprintf(write_id, CTC_ID_SIZE, "ch-%s", cgdev->cdev[1]->dev.bus_id);
@@ -2907,7 +2907,7 @@ ctc_new_device(struct ccwgroup_device *cgdev)
channel_get(type, direction == READ ? read_id : write_id,
direction);
if (privptr->channel[direction] == NULL) {
- if (direction == WRITE)
+ if (direction == WRITE)
channel_free(privptr->channel[READ]);
ctc_free_netdevice(dev, 1);
@@ -2955,7 +2955,7 @@ ctc_shutdown_device(struct ccwgroup_device *cgdev)
{
struct ctc_priv *priv;
struct net_device *ndev;
-
+
DBF_TEXT(setup, 3, __FUNCTION__);
pr_debug("%s() called\n", __FUNCTION__);
diff --git a/drivers/s390/net/ctctty.c b/drivers/s390/net/ctctty.c
index 5cdcdbf9296..af54d1de07b 100644
--- a/drivers/s390/net/ctctty.c
+++ b/drivers/s390/net/ctctty.c
@@ -130,7 +130,7 @@ ctc_tty_readmodem(ctc_tty_info *info)
if ((tty = info->tty)) {
if (info->mcr & UART_MCR_RTS) {
struct sk_buff *skb;
-
+
if ((skb = skb_dequeue(&info->rx_queue))) {
int len = skb->len;
tty_insert_flip_string(tty, skb->data, len);
@@ -328,7 +328,7 @@ ctc_tty_inject(ctc_tty_info *info, char c)
{
int skb_res;
struct sk_buff *skb;
-
+
DBF_TEXT(trace, 4, __FUNCTION__);
if (ctc_tty_shuttingdown)
return;
@@ -497,7 +497,7 @@ ctc_tty_write(struct tty_struct *tty, const u_char * buf, int count)
c = (count < CTC_TTY_XMIT_SIZE) ? count : CTC_TTY_XMIT_SIZE;
if (c <= 0)
break;
-
+
skb_res = info->netdev->hard_header_len + sizeof(info->mcr) +
+ sizeof(__u32);
skb = dev_alloc_skb(skb_res + c);
@@ -828,7 +828,7 @@ ctc_tty_block_til_ready(struct tty_struct *tty, struct file *filp, ctc_tty_info
if (tty_hung_up_p(filp) ||
(info->flags & CTC_ASYNC_CLOSING)) {
if (info->flags & CTC_ASYNC_CLOSING)
- wait_event(info->close_wait,
+ wait_event(info->close_wait,
!(info->flags & CTC_ASYNC_CLOSING));
#ifdef MODEM_DO_RESTART
if (info->flags & CTC_ASYNC_HUP_NOTIFY)
@@ -1247,7 +1247,7 @@ ctc_tty_unregister_netdev(struct net_device *dev) {
void
ctc_tty_cleanup(void) {
unsigned long saveflags;
-
+
DBF_TEXT(trace, 2, __FUNCTION__);
spin_lock_irqsave(&ctc_tty_lock, saveflags);
ctc_tty_shuttingdown = 1;
diff --git a/drivers/s390/net/cu3088.c b/drivers/s390/net/cu3088.c
index b12533104c1..e965f03a729 100644
--- a/drivers/s390/net/cu3088.c
+++ b/drivers/s390/net/cu3088.c
@@ -20,7 +20,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-
+
#include <linux/init.h>
#include <linux/module.h>
#include <linux/err.h>
@@ -77,7 +77,7 @@ group_write(struct device_driver *drv, const char *buf, size_t count)
int len;
if (!(end = strchr(start, delim[i])))
- return count;
+ return -EINVAL;
len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start + 1);
strlcpy (bus_ids[i], start, len);
argv[i] = bus_ids[i];
@@ -94,7 +94,7 @@ static DRIVER_ATTR(group, 0200, NULL, group_write);
/* Register-unregister for ctc&lcs */
int
-register_cu3088_discipline(struct ccwgroup_driver *dcp)
+register_cu3088_discipline(struct ccwgroup_driver *dcp)
{
int rc;
@@ -109,7 +109,7 @@ register_cu3088_discipline(struct ccwgroup_driver *dcp)
rc = driver_create_file(&dcp->driver, &driver_attr_group);
if (rc)
ccwgroup_driver_unregister(dcp);
-
+
return rc;
}
@@ -137,7 +137,7 @@ static int __init
cu3088_init (void)
{
int rc;
-
+
cu3088_root_dev = s390_root_dev_register("cu3088");
if (IS_ERR(cu3088_root_dev))
return PTR_ERR(cu3088_root_dev);
diff --git a/drivers/s390/net/iucv.c b/drivers/s390/net/iucv.c
index 6190be9dca9..e0c7deb9883 100644
--- a/drivers/s390/net/iucv.c
+++ b/drivers/s390/net/iucv.c
@@ -1,4 +1,4 @@
-/*
+/*
* IUCV network driver
*
* Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
@@ -28,7 +28,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-
+
/* #define DEBUG */
#include <linux/module.h>
@@ -81,7 +81,7 @@ iucv_bus_match (struct device *dev, struct device_driver *drv)
struct bus_type iucv_bus = {
.name = "iucv",
.match = iucv_bus_match,
-};
+};
struct device *iucv_root;
@@ -297,7 +297,7 @@ MODULE_LICENSE("GPL");
/*
* Debugging stuff
*******************************************************************************/
-
+
#ifdef DEBUG
static int debuglevel = 0;
@@ -344,7 +344,7 @@ do { \
/*
* Internal functions
*******************************************************************************/
-
+
/**
* print start banner
*/
@@ -810,7 +810,7 @@ iucv_register_program (__u8 pgmname[16],
sizeof (new_handler->id.userid));
EBC_TOUPPER (new_handler->id.userid,
sizeof (new_handler->id.userid));
-
+
if (pgmmask) {
memcpy (new_handler->id.mask, pgmmask,
sizeof (new_handler->id.mask));
@@ -1229,7 +1229,7 @@ iucv_purge (__u16 pathid, __u32 msgid, __u32 srccls, __u32 *audit)
/* parm->ipaudit has only 3 bytes */
*audit >>= 8;
}
-
+
release_param(parm);
iucv_debug(1, "b2f0_result = %ld", b2f0_result);
@@ -2330,14 +2330,14 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
temp_buff1[j] &= (h->id.mask)[j];
temp_buff2[j] &= (h->id.mask)[j];
}
-
+
iucv_dumpit("temp_buff1:",
temp_buff1, sizeof(temp_buff1));
iucv_dumpit("temp_buff2",
temp_buff2, sizeof(temp_buff2));
-
+
if (!memcmp (temp_buff1, temp_buff2, 24)) {
-
+
iucv_debug(2,
"found a matching handler");
break;
@@ -2368,7 +2368,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x02: /*connection complete */
if (messagesDisabled) {
iucv_setmask(~0);
@@ -2387,7 +2387,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x03: /* connection severed */
if (messagesDisabled) {
iucv_setmask(~0);
@@ -2398,13 +2398,13 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
interrupt->ConnectionSevered(
(iucv_ConnectionSevered *)int_buf,
h->pgm_data);
-
+
else
iucv_sever (int_buf->ippathid, no_listener);
} else
iucv_sever(int_buf->ippathid, no_listener);
break;
-
+
case 0x04: /* connection quiesced */
if (messagesDisabled) {
iucv_setmask(~0);
@@ -2420,7 +2420,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
"ConnectionQuiesced not called");
}
break;
-
+
case 0x05: /* connection resumed */
if (messagesDisabled) {
iucv_setmask(~0);
@@ -2436,7 +2436,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
"ConnectionResumed not called");
}
break;
-
+
case 0x06: /* priority message complete */
case 0x07: /* nonpriority message complete */
if (h) {
@@ -2449,7 +2449,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
"MessageComplete not called");
}
break;
-
+
case 0x08: /* priority message pending */
case 0x09: /* nonpriority message pending */
if (h) {
@@ -2467,7 +2467,7 @@ iucv_do_int(iucv_GeneralInterrupt * int_buf)
__FUNCTION__);
break;
} /* end switch */
-
+
iucv_debug(2, "exiting pathid %d, type %02X",
int_buf->ippathid, int_buf->iptype);
diff --git a/drivers/s390/net/iucv.h b/drivers/s390/net/iucv.h
index 0c4644d3d2f..5b6b1b7241c 100644
--- a/drivers/s390/net/iucv.h
+++ b/drivers/s390/net/iucv.h
@@ -4,7 +4,7 @@
*
* S390 version
* Copyright (C) 2000 IBM Corporation
- * Author(s):Alan Altmark (Alan_Altmark@us.ibm.com)
+ * Author(s):Alan Altmark (Alan_Altmark@us.ibm.com)
* Xenia Tkatschow (xenia@us.ibm.com)
*
*
@@ -16,17 +16,17 @@
* CP Programming Services book, also available on the web
* thru www.ibm.com/s390/vm/pubs, manual # SC24-5760
*
- * Definition of Return Codes
- * -All positive return codes including zero are reflected back
- * from CP except for iucv_register_program. The definition of each
- * return code can be found in CP Programming Services book.
- * Also available on the web thru www.ibm.com/s390/vm/pubs, manual # SC24-5760
- * - Return Code of:
- * (-EINVAL) Invalid value
- * (-ENOMEM) storage allocation failed
+ * Definition of Return Codes
+ * -All positive return codes including zero are reflected back
+ * from CP except for iucv_register_program. The definition of each
+ * return code can be found in CP Programming Services book.
+ * Also available on the web thru www.ibm.com/s390/vm/pubs, manual # SC24-5760
+ * - Return Code of:
+ * (-EINVAL) Invalid value
+ * (-ENOMEM) storage allocation failed
* pgmask defined in iucv_register_program will be set depending on input
- * paramters.
- *
+ * paramters.
+ *
*/
#include <linux/types.h>
@@ -124,13 +124,13 @@ iucv_hex_dump(unsigned char *buf, size_t len)
#define iucv_handle_t void *
/* flags1:
- * All flags are defined in the field IPFLAGS1 of each function
- * and can be found in CP Programming Services.
- * IPLOCAL - Indicates the connect can only be satisfied on the
- * local system
- * IPPRTY - Indicates a priority message
- * IPQUSCE - Indicates you do not want to receive messages on a
- * path until an iucv_resume is issued
+ * All flags are defined in the field IPFLAGS1 of each function
+ * and can be found in CP Programming Services.
+ * IPLOCAL - Indicates the connect can only be satisfied on the
+ * local system
+ * IPPRTY - Indicates a priority message
+ * IPQUSCE - Indicates you do not want to receive messages on a
+ * path until an iucv_resume is issued
* IPRMDATA - Indicates that the message is in the parameter list
*/
#define IPLOCAL 0x01
@@ -154,14 +154,14 @@ iucv_hex_dump(unsigned char *buf, size_t len)
#define AllInterrupts 0xf8
/*
* Mapping of external interrupt buffers should be used with the corresponding
- * interrupt types.
- * Names: iucv_ConnectionPending -> connection pending
+ * interrupt types.
+ * Names: iucv_ConnectionPending -> connection pending
* iucv_ConnectionComplete -> connection complete
- * iucv_ConnectionSevered -> connection severed
- * iucv_ConnectionQuiesced -> connection quiesced
- * iucv_ConnectionResumed -> connection resumed
- * iucv_MessagePending -> message pending
- * iucv_MessageComplete -> message complete
+ * iucv_ConnectionSevered -> connection severed
+ * iucv_ConnectionQuiesced -> connection quiesced
+ * iucv_ConnectionResumed -> connection resumed
+ * iucv_MessagePending -> message pending
+ * iucv_MessageComplete -> message complete
*/
typedef struct {
u16 ippathid;
@@ -260,16 +260,16 @@ typedef struct {
uchar res2[3];
} iucv_MessageComplete;
-/*
- * iucv_interrupt_ops_t: Is a vector of functions that handle
- * IUCV interrupts.
- * Parameter list:
- * eib - is a pointer to a 40-byte area described
- * with one of the structures above.
- * pgm_data - this data is strictly for the
- * interrupt handler that is passed by
- * the application. This may be an address
- * or token.
+/*
+ * iucv_interrupt_ops_t: Is a vector of functions that handle
+ * IUCV interrupts.
+ * Parameter list:
+ * eib - is a pointer to a 40-byte area described
+ * with one of the structures above.
+ * pgm_data - this data is strictly for the
+ * interrupt handler that is passed by
+ * the application. This may be an address
+ * or token.
*/
typedef struct {
void (*ConnectionPending) (iucv_ConnectionPending * eib,
@@ -287,8 +287,8 @@ typedef struct {
} iucv_interrupt_ops_t;
/*
- *iucv_array_t : Defines buffer array.
- * Inside the array may be 31- bit addresses and 31-bit lengths.
+ *iucv_array_t : Defines buffer array.
+ * Inside the array may be 31- bit addresses and 31-bit lengths.
*/
typedef struct {
u32 address;
@@ -299,19 +299,19 @@ extern struct bus_type iucv_bus;
extern struct device *iucv_root;
/* -prototypes- */
-/*
- * Name: iucv_register_program
- * Purpose: Registers an application with IUCV
- * Input: prmname - user identification
+/*
+ * Name: iucv_register_program
+ * Purpose: Registers an application with IUCV
+ * Input: prmname - user identification
* userid - machine identification
* pgmmask - indicates which bits in the prmname and userid combined will be
* used to determine who is given control
- * ops - address of vector of interrupt handlers
- * pgm_data- application data passed to interrupt handlers
- * Output: NA
- * Return: address of handler
+ * ops - address of vector of interrupt handlers
+ * pgm_data- application data passed to interrupt handlers
+ * Output: NA
+ * Return: address of handler
* (0) - Error occurred, registration not completed.
- * NOTE: Exact cause of failure will be recorded in syslog.
+ * NOTE: Exact cause of failure will be recorded in syslog.
*/
iucv_handle_t iucv_register_program (uchar pgmname[16],
uchar userid[8],
@@ -319,13 +319,13 @@ iucv_handle_t iucv_register_program (uchar pgmname[16],
iucv_interrupt_ops_t * ops,
void *pgm_data);
-/*
- * Name: iucv_unregister_program
- * Purpose: Unregister application with IUCV
- * Input: address of handler
- * Output: NA
- * Return: (0) - Normal return
- * (-EINVAL) - Internal error, wild pointer
+/*
+ * Name: iucv_unregister_program
+ * Purpose: Unregister application with IUCV
+ * Input: address of handler
+ * Output: NA
+ * Return: (0) - Normal return
+ * (-EINVAL) - Internal error, wild pointer
*/
int iucv_unregister_program (iucv_handle_t handle);
@@ -333,7 +333,7 @@ int iucv_unregister_program (iucv_handle_t handle);
* Name: iucv_accept
* Purpose: This function is issued after the user receives a Connection Pending external
* interrupt and now wishes to complete the IUCV communication path.
- * Input: pathid - u16 , Path identification number
+ * Input: pathid - u16 , Path identification number
* msglim_reqstd - u16, The number of outstanding messages requested.
* user_data - uchar[16], Data specified by the iucv_connect function.
* flags1 - int, Contains options for this path.
@@ -358,34 +358,34 @@ int iucv_accept (u16 pathid,
void *pgm_data, int *flags1_out, u16 * msglim);
/*
- * Name: iucv_connect
+ * Name: iucv_connect
* Purpose: This function establishes an IUCV path. Although the connect may complete
- * successfully, you are not able to use the path until you receive an IUCV
- * Connection Complete external interrupt.
- * Input: pathid - u16 *, Path identification number
- * msglim_reqstd - u16, Number of outstanding messages requested
- * user_data - uchar[16], 16-byte user data
+ * successfully, you are not able to use the path until you receive an IUCV
+ * Connection Complete external interrupt.
+ * Input: pathid - u16 *, Path identification number
+ * msglim_reqstd - u16, Number of outstanding messages requested
+ * user_data - uchar[16], 16-byte user data
* userid - uchar[8], User identification
- * system_name - uchar[8], 8-byte identifying the system name
+ * system_name - uchar[8], 8-byte identifying the system name
* flags1 - int, Contains options for this path.
* -IPPRTY - 0x20, Specifies if you want to send priority message.
* -IPRMDATA - 0x80, Specifies whether your program can handle a message
* in the parameter list.
- * -IPQUSCE - 0x40, Specifies whether you want to quiesce the path being
+ * -IPQUSCE - 0x40, Specifies whether you want to quiesce the path being
* established.
- * -IPLOCAL - 0X01, Allows an application to force the partner to be on
+ * -IPLOCAL - 0X01, Allows an application to force the partner to be on
* the local system. If local is specified then target class cannot be
- * specified.
+ * specified.
* flags1_out - int * Contains information about the path
* - IPPRTY - 0x20, Indicates you may send priority messages.
* msglim - * u16, Number of outstanding messages
- * handle - iucv_handle_t, Address of handler
- * pgm_data - void *, Application data passed to interrupt handlers
+ * handle - iucv_handle_t, Address of handler
+ * pgm_data - void *, Application data passed to interrupt handlers
* Output: return code from CP IUCV call
* rc - return code from iucv_declare_buffer
- * -EINVAL - Invalid handle passed by application
- * -EINVAL - Pathid address is NULL
- * add_pathid_result - Return code from internal function add_pathid
+ * -EINVAL - Invalid handle passed by application
+ * -EINVAL - Pathid address is NULL
+ * add_pathid_result - Return code from internal function add_pathid
*/
int
iucv_connect (u16 * pathid,
@@ -397,16 +397,16 @@ int
int *flags1_out,
u16 * msglim, iucv_handle_t handle, void *pgm_data);
-/*
- * Name: iucv_purge
- * Purpose: This function cancels a message that you have sent.
- * Input: pathid - Path identification number.
+/*
+ * Name: iucv_purge
+ * Purpose: This function cancels a message that you have sent.
+ * Input: pathid - Path identification number.
* msgid - Specifies the message ID of the message to be purged.
- * srccls - Specifies the source message class.
- * Output: audit - Contains information about asynchronous error
- * that may have affected the normal completion
- * of this message.
- * Return: Return code from CP IUCV call.
+ * srccls - Specifies the source message class.
+ * Output: audit - Contains information about asynchronous error
+ * that may have affected the normal completion
+ * of this message.
+ * Return: Return code from CP IUCV call.
*/
int iucv_purge (u16 pathid, u32 msgid, u32 srccls, __u32 *audit);
/*
@@ -426,38 +426,38 @@ ulong iucv_query_maxconn (void);
*/
ulong iucv_query_bufsize (void);
-/*
- * Name: iucv_quiesce
- * Purpose: This function temporarily suspends incoming messages on an
- * IUCV path. You can later reactivate the path by invoking
- * the iucv_resume function.
- * Input: pathid - Path identification number
- * user_data - 16-bytes of user data
- * Output: NA
- * Return: Return code from CP IUCV call.
+/*
+ * Name: iucv_quiesce
+ * Purpose: This function temporarily suspends incoming messages on an
+ * IUCV path. You can later reactivate the path by invoking
+ * the iucv_resume function.
+ * Input: pathid - Path identification number
+ * user_data - 16-bytes of user data
+ * Output: NA
+ * Return: Return code from CP IUCV call.
*/
int iucv_quiesce (u16 pathid, uchar user_data[16]);
-/*
- * Name: iucv_receive
- * Purpose: This function receives messages that are being sent to you
+/*
+ * Name: iucv_receive
+ * Purpose: This function receives messages that are being sent to you
* over established paths. Data will be returned in buffer for length of
* buflen.
- * Input:
- * pathid - Path identification number.
- * buffer - Address of buffer to receive.
- * buflen - Length of buffer to receive.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * Output:
+ * Input:
+ * pathid - Path identification number.
+ * buffer - Address of buffer to receive.
+ * buflen - Length of buffer to receive.
+ * msgid - Specifies the message ID.
+ * trgcls - Specifies target class.
+ * Output:
* flags1_out: int *, Contains information about this path.
* IPNORPY - 0x10 Specifies this is a one-way message and no reply is
- * expected.
- * IPPRTY - 0x20 Specifies if you want to send priority message.
+ * expected.
+ * IPPRTY - 0x20 Specifies if you want to send priority message.
* IPRMDATA - 0x80 specifies the data is contained in the parameter list
* residual_buffer - address of buffer updated by the number
* of bytes you have received.
- * residual_length -
+ * residual_length -
* Contains one of the following values, if the receive buffer is:
* The same length as the message, this field is zero.
* Longer than the message, this field contains the number of
@@ -466,8 +466,8 @@ int iucv_quiesce (u16 pathid, uchar user_data[16]);
* count (that is, the number of bytes remaining in the
* message that does not fit into the buffer. In this
* case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - buffer address is pointing to NULL
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - buffer address is pointing to NULL
*/
int iucv_receive (u16 pathid,
u32 msgid,
@@ -477,16 +477,16 @@ int iucv_receive (u16 pathid,
int *flags1_out,
ulong * residual_buffer, ulong * residual_length);
- /*
- * Name: iucv_receive_array
- * Purpose: This function receives messages that are being sent to you
+ /*
+ * Name: iucv_receive_array
+ * Purpose: This function receives messages that are being sent to you
* over established paths. Data will be returned in first buffer for
* length of first buffer.
- * Input: pathid - Path identification number.
+ * Input: pathid - Path identification number.
* msgid - specifies the message ID.
* trgcls - Specifies target class.
- * buffer - Address of array of buffers.
- * buflen - Total length of buffers.
+ * buffer - Address of array of buffers.
+ * buflen - Total length of buffers.
* Output:
* flags1_out: int *, Contains information about this path.
* IPNORPY - 0x10 Specifies this is a one-way message and no reply is
@@ -504,8 +504,8 @@ int iucv_receive (u16 pathid,
* count (that is, the number of bytes remaining in the
* message that does not fit into the buffer. In this
* case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_receive_array (u16 pathid,
u32 msgid,
@@ -515,44 +515,44 @@ int iucv_receive_array (u16 pathid,
int *flags1_out,
ulong * residual_buffer, ulong * residual_length);
-/*
- * Name: iucv_reject
- * Purpose: The reject function refuses a specified message. Between the
- * time you are notified of a message and the time that you
- * complete the message, the message may be rejected.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * Output: NA
- * Return: Return code from CP IUCV call.
+/*
+ * Name: iucv_reject
+ * Purpose: The reject function refuses a specified message. Between the
+ * time you are notified of a message and the time that you
+ * complete the message, the message may be rejected.
+ * Input: pathid - Path identification number.
+ * msgid - Specifies the message ID.
+ * trgcls - Specifies target class.
+ * Output: NA
+ * Return: Return code from CP IUCV call.
*/
int iucv_reject (u16 pathid, u32 msgid, u32 trgcls);
-/*
- * Name: iucv_reply
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
+/*
+ * Name: iucv_reply
+ * Purpose: This function responds to the two-way messages that you
+ * receive. You must identify completely the message to
+ * which you wish to reply. ie, pathid, msgid, and trgcls.
+ * Input: pathid - Path identification number.
+ * msgid - Specifies the message ID.
+ * trgcls - Specifies target class.
* flags1 - Option for path.
- * IPPRTY- 0x20, Specifies if you want to send priority message.
- * buffer - Address of reply buffer.
- * buflen - Length of reply buffer.
- * Output: residual_buffer - Address of buffer updated by the number
- * of bytes you have moved.
+ * IPPRTY- 0x20, Specifies if you want to send priority message.
+ * buffer - Address of reply buffer.
+ * buflen - Length of reply buffer.
+ * Output: residual_buffer - Address of buffer updated by the number
+ * of bytes you have moved.
* residual_length - Contains one of the following values:
* If the answer buffer is the same length as the reply, this field
* contains zero.
* If the answer buffer is longer than the reply, this field contains
- * the number of bytes remaining in the buffer.
+ * the number of bytes remaining in the buffer.
* If the answer buffer is shorter than the reply, this field contains
* a residual count (that is, the number of bytes remianing in the
* reply that does not fit into the buffer. In this
* case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_reply (u16 pathid,
u32 msgid,
@@ -561,20 +561,20 @@ int iucv_reply (u16 pathid,
void *buffer, ulong buflen, ulong * residual_buffer,
ulong * residual_length);
-/*
- * Name: iucv_reply_array
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * The array identifies a list of addresses and lengths of
- * discontiguous buffers that contains the reply data.
- * Input: pathid - Path identification number
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
+/*
+ * Name: iucv_reply_array
+ * Purpose: This function responds to the two-way messages that you
+ * receive. You must identify completely the message to
+ * which you wish to reply. ie, pathid, msgid, and trgcls.
+ * The array identifies a list of addresses and lengths of
+ * discontiguous buffers that contains the reply data.
+ * Input: pathid - Path identification number
+ * msgid - Specifies the message ID.
+ * trgcls - Specifies target class.
* flags1 - Option for path.
* IPPRTY- 0x20, Specifies if you want to send priority message.
- * buffer - Address of array of reply buffers.
- * buflen - Total length of reply buffers.
+ * buffer - Address of array of reply buffers.
+ * buflen - Total length of reply buffers.
* Output: residual_buffer - Address of buffer which IUCV is currently working on.
* residual_length - Contains one of the following values:
* If the answer buffer is the same length as the reply, this field
@@ -585,8 +585,8 @@ int iucv_reply (u16 pathid,
* a residual count (that is, the number of bytes remianing in the
* reply that does not fit into the buffer. In this
* case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_reply_array (u16 pathid,
u32 msgid,
@@ -596,77 +596,77 @@ int iucv_reply_array (u16 pathid,
ulong buflen, ulong * residual_address,
ulong * residual_length);
-/*
- * Name: iucv_reply_prmmsg
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * Prmmsg signifies the data is moved into the
- * parameter list.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
+/*
+ * Name: iucv_reply_prmmsg
+ * Purpose: This function responds to the two-way messages that you
+ * receive. You must identify completely the message to
+ * which you wish to reply. ie, pathid, msgid, and trgcls.
+ * Prmmsg signifies the data is moved into the
+ * parameter list.
+ * Input: pathid - Path identification number.
+ * msgid - Specifies the message ID.
+ * trgcls - Specifies target class.
* flags1 - Option for path.
* IPPRTY- 0x20 Specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into the parameter.
- * list.
- * Output: NA
- * Return: Return code from CP IUCV call.
+ * prmmsg - 8-bytes of data to be placed into the parameter.
+ * list.
+ * Output: NA
+ * Return: Return code from CP IUCV call.
*/
int iucv_reply_prmmsg (u16 pathid,
u32 msgid, u32 trgcls, int flags1, uchar prmmsg[8]);
-/*
- * Name: iucv_resume
- * Purpose: This function restores communications over a quiesced path
- * Input: pathid - Path identification number.
- * user_data - 16-bytes of user data.
- * Output: NA
- * Return: Return code from CP IUCV call.
+/*
+ * Name: iucv_resume
+ * Purpose: This function restores communications over a quiesced path
+ * Input: pathid - Path identification number.
+ * user_data - 16-bytes of user data.
+ * Output: NA
+ * Return: Return code from CP IUCV call.
*/
int iucv_resume (u16 pathid, uchar user_data[16]);
-/*
- * Name: iucv_send
- * Purpose: This function transmits data to another application.
- * Data to be transmitted is in a buffer and this is a
- * one-way message and the receiver will not reply to the
- * message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
+/*
+ * Name: iucv_send
+ * Purpose: This function transmits data to another application.
+ * Data to be transmitted is in a buffer and this is a
+ * one-way message and the receiver will not reply to the
+ * message.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag to be associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Address of send buffer.
- * buflen - Length of send buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * buffer - Address of send buffer.
+ * buflen - Length of send buffer.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_send (u16 pathid,
u32 * msgid,
u32 trgcls,
u32 srccls, u32 msgtag, int flags1, void *buffer, ulong buflen);
-/*
- * Name: iucv_send_array
- * Purpose: This function transmits data to another application.
- * The contents of buffer is the address of the array of
- * addresses and lengths of discontiguous buffers that hold
- * the message text. This is a one-way message and the
- * receiver will not reply to the message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
+/*
+ * Name: iucv_send_array
+ * Purpose: This function transmits data to another application.
+ * The contents of buffer is the address of the array of
+ * addresses and lengths of discontiguous buffers that hold
+ * the message text. This is a one-way message and the
+ * receiver will not reply to the message.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
* msgtag - Specifies a tag to be associated witht the message.
* flags1 - Option for path.
- * IPPRTY- specifies if you want to send priority message.
- * buffer - Address of array of send buffers.
- * buflen - Total length of send buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * IPPRTY- specifies if you want to send priority message.
+ * buffer - Address of array of send buffers.
+ * buflen - Total length of send buffers.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_send_array (u16 pathid,
u32 * msgid,
@@ -675,48 +675,48 @@ int iucv_send_array (u16 pathid,
u32 msgtag,
int flags1, iucv_array_t * buffer, ulong buflen);
-/*
- * Name: iucv_send_prmmsg
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a one-way message and the
- * receiver will not reply to the message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
+/*
+ * Name: iucv_send_prmmsg
+ * Purpose: This function transmits data to another application.
+ * Prmmsg specifies that the 8-bytes of data are to be moved
+ * into the parameter list. This is a one-way message and the
+ * receiver will not reply to the message.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag to be associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into parameter list.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
+ * prmmsg - 8-bytes of data to be placed into parameter list.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
*/
int iucv_send_prmmsg (u16 pathid,
u32 * msgid,
u32 trgcls,
u32 srccls, u32 msgtag, int flags1, uchar prmmsg[8]);
-/*
- * Name: iucv_send2way
- * Purpose: This function transmits data to another application.
- * Data to be transmitted is in a buffer. The receiver
- * of the send is expected to reply to the message and
- * a buffer is provided into which IUCV moves the reply
- * to this message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag associated with the message.
+/*
+ * Name: iucv_send2way
+ * Purpose: This function transmits data to another application.
+ * Data to be transmitted is in a buffer. The receiver
+ * of the send is expected to reply to the message and
+ * a buffer is provided into which IUCV moves the reply
+ * to this message.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Address of send buffer.
- * buflen - Length of send buffer.
- * ansbuf - Address of buffer into which IUCV moves the reply of
- * this message.
- * anslen - Address of length of buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer or ansbuf address is NULL.
+ * buffer - Address of send buffer.
+ * buflen - Length of send buffer.
+ * ansbuf - Address of buffer into which IUCV moves the reply of
+ * this message.
+ * anslen - Address of length of buffer.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer or ansbuf address is NULL.
*/
int iucv_send2way (u16 pathid,
u32 * msgid,
@@ -726,28 +726,28 @@ int iucv_send2way (u16 pathid,
int flags1,
void *buffer, ulong buflen, void *ansbuf, ulong anslen);
-/*
- * Name: iucv_send2way_array
- * Purpose: This function transmits data to another application.
- * The contents of buffer is the address of the array of
- * addresses and lengths of discontiguous buffers that hold
- * the message text. The receiver of the send is expected to
- * reply to the message and a buffer is provided into which
- * IUCV moves the reply to this message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
+/*
+ * Name: iucv_send2way_array
+ * Purpose: This function transmits data to another application.
+ * The contents of buffer is the address of the array of
+ * addresses and lengths of discontiguous buffers that hold
+ * the message text. The receiver of the send is expected to
+ * reply to the message and a buffer is provided into which
+ * IUCV moves the reply to this message.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag to be associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Sddress of array of send buffers.
- * buflen - Total length of send buffers.
- * ansbuf - Address of array of buffer into which IUCV moves the reply
- * of this message.
- * anslen - Address of length reply buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * buffer - Sddress of array of send buffers.
+ * buflen - Total length of send buffers.
+ * ansbuf - Address of array of buffer into which IUCV moves the reply
+ * of this message.
+ * anslen - Address of length reply buffers.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_send2way_array (u16 pathid,
u32 * msgid,
@@ -758,27 +758,27 @@ int iucv_send2way_array (u16 pathid,
iucv_array_t * buffer,
ulong buflen, iucv_array_t * ansbuf, ulong anslen);
-/*
- * Name: iucv_send2way_prmmsg
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a two-way message and the
- * receiver of the message is expected to reply. A buffer
- * is provided into which IUCV moves the reply to this
- * message.
- * Input: pathid - Rath identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
+/*
+ * Name: iucv_send2way_prmmsg
+ * Purpose: This function transmits data to another application.
+ * Prmmsg specifies that the 8-bytes of data are to be moved
+ * into the parameter list. This is a two-way message and the
+ * receiver of the message is expected to reply. A buffer
+ * is provided into which IUCV moves the reply to this
+ * message.
+ * Input: pathid - Rath identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag to be associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 Specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed in parameter list.
- * ansbuf - Address of buffer into which IUCV moves the reply of
+ * prmmsg - 8-bytes of data to be placed in parameter list.
+ * ansbuf - Address of buffer into which IUCV moves the reply of
* this message.
- * anslen - Address of length of buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
+ * anslen - Address of length of buffer.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Buffer address is NULL.
*/
int iucv_send2way_prmmsg (u16 pathid,
u32 * msgid,
@@ -788,29 +788,29 @@ int iucv_send2way_prmmsg (u16 pathid,
ulong flags1,
uchar prmmsg[8], void *ansbuf, ulong anslen);
-/*
- * Name: iucv_send2way_prmmsg_array
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a two-way message and the
- * receiver of the message is expected to reply. A buffer
- * is provided into which IUCV moves the reply to this
- * message. The contents of ansbuf is the address of the
- * array of addresses and lengths of discontiguous buffers
- * that contain the reply.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
+/*
+ * Name: iucv_send2way_prmmsg_array
+ * Purpose: This function transmits data to another application.
+ * Prmmsg specifies that the 8-bytes of data are to be moved
+ * into the parameter list. This is a two-way message and the
+ * receiver of the message is expected to reply. A buffer
+ * is provided into which IUCV moves the reply to this
+ * message. The contents of ansbuf is the address of the
+ * array of addresses and lengths of discontiguous buffers
+ * that contain the reply.
+ * Input: pathid - Path identification number.
+ * trgcls - Specifies target class.
+ * srccls - Specifies the source message class.
+ * msgtag - Specifies a tag to be associated with the message.
* flags1 - Option for path.
* IPPRTY- 0x20 specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into the parameter list.
+ * prmmsg - 8-bytes of data to be placed into the parameter list.
* ansbuf - Address of array of buffer into which IUCV moves the reply
- * of this message.
- * anslen - Address of length of reply buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Ansbuf address is NULL.
+ * of this message.
+ * anslen - Address of length of reply buffers.
+ * Output: msgid - Specifies the message ID.
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Ansbuf address is NULL.
*/
int iucv_send2way_prmmsg_array (u16 pathid,
u32 * msgid,
@@ -821,29 +821,29 @@ int iucv_send2way_prmmsg_array (u16 pathid,
uchar prmmsg[8],
iucv_array_t * ansbuf, ulong anslen);
-/*
- * Name: iucv_setmask
- * Purpose: This function enables or disables the following IUCV
- * external interruptions: Nonpriority and priority message
- * interrupts, nonpriority and priority reply interrupts.
+/*
+ * Name: iucv_setmask
+ * Purpose: This function enables or disables the following IUCV
+ * external interruptions: Nonpriority and priority message
+ * interrupts, nonpriority and priority reply interrupts.
* Input: SetMaskFlag - options for interrupts
- * 0x80 - Nonpriority_MessagePendingInterruptsFlag
- * 0x40 - Priority_MessagePendingInterruptsFlag
- * 0x20 - Nonpriority_MessageCompletionInterruptsFlag
- * 0x10 - Priority_MessageCompletionInterruptsFlag
+ * 0x80 - Nonpriority_MessagePendingInterruptsFlag
+ * 0x40 - Priority_MessagePendingInterruptsFlag
+ * 0x20 - Nonpriority_MessageCompletionInterruptsFlag
+ * 0x10 - Priority_MessageCompletionInterruptsFlag
* 0x08 - IUCVControlInterruptsFlag
- * Output: NA
- * Return: Return code from CP IUCV call.
+ * Output: NA
+ * Return: Return code from CP IUCV call.
*/
int iucv_setmask (int SetMaskFlag);
-/*
- * Name: iucv_sever
- * Purpose: This function terminates an IUCV path.
- * Input: pathid - Path identification number.
- * user_data - 16-bytes of user data.
- * Output: NA
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Interal error, wild pointer.
+/*
+ * Name: iucv_sever
+ * Purpose: This function terminates an IUCV path.
+ * Input: pathid - Path identification number.
+ * user_data - 16-bytes of user data.
+ * Output: NA
+ * Return: Return code from CP IUCV call.
+ * (-EINVAL) - Interal error, wild pointer.
*/
int iucv_sever (u16 pathid, uchar user_data[16]);
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 5d6b7a57b02..f94419b334f 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -68,6 +68,7 @@ static void lcs_tasklet(unsigned long);
static void lcs_start_kernel_thread(struct lcs_card *card);
static void lcs_get_frames_cb(struct lcs_channel *, struct lcs_buffer *);
static int lcs_send_delipm(struct lcs_card *, struct lcs_ipm_list *);
+static int lcs_recovery(void *ptr);
/**
* Debug Facility Stuff
@@ -429,12 +430,6 @@ lcs_setup_card(struct lcs_card *card)
card->tx_buffer = NULL;
card->tx_emitted = 0;
- /* Initialize kernel thread task used for LGW commands. */
- INIT_WORK(&card->kernel_thread_starter,
- (void *)lcs_start_kernel_thread,card);
- card->thread_start_mask = 0;
- card->thread_allowed_mask = 0;
- card->thread_running_mask = 0;
init_waitqueue_head(&card->wait_q);
spin_lock_init(&card->lock);
spin_lock_init(&card->ipm_lock);
@@ -675,8 +670,9 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
int index, rc;
LCS_DBF_TEXT(5, trace, "rdybuff");
- BUG_ON(buffer->state != BUF_STATE_LOCKED &&
- buffer->state != BUF_STATE_PROCESSED);
+ if (buffer->state != BUF_STATE_LOCKED &&
+ buffer->state != BUF_STATE_PROCESSED)
+ BUG();
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
buffer->state = BUF_STATE_READY;
index = buffer - channel->iob;
@@ -700,7 +696,8 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
int index, prev, next;
LCS_DBF_TEXT(5, trace, "prcsbuff");
- BUG_ON(buffer->state != BUF_STATE_READY);
+ if (buffer->state != BUF_STATE_READY)
+ BUG();
buffer->state = BUF_STATE_PROCESSED;
index = buffer - channel->iob;
prev = (index - 1) & (LCS_NUM_BUFFS - 1);
@@ -732,8 +729,9 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
unsigned long flags;
LCS_DBF_TEXT(5, trace, "relbuff");
- BUG_ON(buffer->state != BUF_STATE_LOCKED &&
- buffer->state != BUF_STATE_PROCESSED);
+ if (buffer->state != BUF_STATE_LOCKED &&
+ buffer->state != BUF_STATE_PROCESSED)
+ BUG();
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
buffer->state = BUF_STATE_EMPTY;
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
@@ -1147,8 +1145,6 @@ list_modified:
list_add_tail(&ipm->list, &card->ipm_list);
}
spin_unlock_irqrestore(&card->ipm_lock, flags);
- if (card->state == DEV_STATE_UP)
- netif_wake_queue(card->dev);
}
/**
@@ -1231,17 +1227,17 @@ lcs_set_mc_addresses(struct lcs_card *card, struct in_device *in4_dev)
if (ipm != NULL)
continue; /* Address already in list. */
ipm = (struct lcs_ipm_list *)
- kmalloc(sizeof(struct lcs_ipm_list), GFP_ATOMIC);
+ kzalloc(sizeof(struct lcs_ipm_list), GFP_ATOMIC);
if (ipm == NULL) {
PRINT_INFO("Not enough memory to add "
"new multicast entry!\n");
break;
}
- memset(ipm, 0, sizeof(struct lcs_ipm_list));
memcpy(&ipm->ipm.mac_addr, buf, LCS_MAC_LENGTH);
ipm->ipm.ip_addr = im4->multiaddr;
ipm->ipm_state = LCS_IPM_STATE_SET_REQUIRED;
spin_lock_irqsave(&card->ipm_lock, flags);
+ LCS_DBF_HEX(2,trace,&ipm->ipm.ip_addr,4);
list_add(&ipm->list, &card->ipm_list);
spin_unlock_irqrestore(&card->ipm_lock, flags);
}
@@ -1269,7 +1265,15 @@ lcs_register_mc_addresses(void *data)
read_unlock(&in4_dev->mc_list_lock);
in_dev_put(in4_dev);
+ netif_carrier_off(card->dev);
+ netif_tx_disable(card->dev);
+ wait_event(card->write.wait_q,
+ (card->write.state != CH_STATE_RUNNING));
lcs_fix_multicast_list(card);
+ if (card->state == DEV_STATE_UP) {
+ netif_carrier_on(card->dev);
+ netif_wake_queue(card->dev);
+ }
out:
lcs_clear_thread_running_bit(card, LCS_SET_MC_THREAD);
return 0;
@@ -1286,7 +1290,7 @@ lcs_set_multicast_list(struct net_device *dev)
LCS_DBF_TEXT(4, trace, "setmulti");
card = (struct lcs_card *) dev->priv;
- if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD))
+ if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD))
schedule_work(&card->kernel_thread_starter);
}
@@ -1318,6 +1322,53 @@ lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb)
return PTR_ERR(irb);
}
+static int
+lcs_get_problem(struct ccw_device *cdev, struct irb *irb)
+{
+ int dstat, cstat;
+ char *sense;
+
+ sense = (char *) irb->ecw;
+ cstat = irb->scsw.cstat;
+ dstat = irb->scsw.dstat;
+
+ if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
+ SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
+ SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
+ LCS_DBF_TEXT(2, trace, "CGENCHK");
+ return 1;
+ }
+ if (dstat & DEV_STAT_UNIT_CHECK) {
+ if (sense[LCS_SENSE_BYTE_1] &
+ LCS_SENSE_RESETTING_EVENT) {
+ LCS_DBF_TEXT(2, trace, "REVIND");
+ return 1;
+ }
+ if (sense[LCS_SENSE_BYTE_0] &
+ LCS_SENSE_CMD_REJECT) {
+ LCS_DBF_TEXT(2, trace, "CMDREJ");
+ return 0;
+ }
+ if ((!sense[LCS_SENSE_BYTE_0]) &&
+ (!sense[LCS_SENSE_BYTE_1]) &&
+ (!sense[LCS_SENSE_BYTE_2]) &&
+ (!sense[LCS_SENSE_BYTE_3])) {
+ LCS_DBF_TEXT(2, trace, "ZEROSEN");
+ return 0;
+ }
+ LCS_DBF_TEXT(2, trace, "DGENCHK");
+ return 1;
+ }
+ return 0;
+}
+
+void
+lcs_schedule_recovery(struct lcs_card *card)
+{
+ LCS_DBF_TEXT(2, trace, "startrec");
+ if (!lcs_set_thread_start_bit(card, LCS_RECOVERY_THREAD))
+ schedule_work(&card->kernel_thread_starter);
+}
/**
* IRQ Handler for LCS channels
@@ -1327,7 +1378,8 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
{
struct lcs_card *card;
struct lcs_channel *channel;
- int index;
+ int rc, index;
+ int cstat, dstat;
if (lcs_check_irb_error(cdev, irb))
return;
@@ -1338,17 +1390,30 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
else
channel = &card->write;
+ cstat = irb->scsw.cstat;
+ dstat = irb->scsw.dstat;
LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id);
LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.cstat, irb->scsw.dstat);
LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.fctl, irb->scsw.actl);
+ /* Check for channel and device errors presented */
+ rc = lcs_get_problem(cdev, irb);
+ if (rc || (dstat & DEV_STAT_UNIT_EXCEP)) {
+ PRINT_WARN("check on device %s, dstat=0x%X, cstat=0x%X \n",
+ cdev->dev.bus_id, dstat, cstat);
+ if (rc) {
+ lcs_schedule_recovery(card);
+ wake_up(&card->wait_q);
+ return;
+ }
+ }
/* How far in the ccw chain have we processed? */
if ((channel->state != CH_STATE_INIT) &&
(irb->scsw.fctl & SCSW_FCTL_START_FUNC)) {
- index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa)
+ index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa)
- channel->ccws;
if ((irb->scsw.actl & SCSW_ACTL_SUSPENDED) ||
- (irb->scsw.cstat | SCHN_STAT_PCI))
+ (irb->scsw.cstat & SCHN_STAT_PCI))
/* Bloody io subsystem tells us lies about cpa... */
index = (index - 1) & (LCS_NUM_BUFFS - 1);
while (channel->io_idx != index) {
@@ -1367,7 +1432,6 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
else if (irb->scsw.actl & SCSW_ACTL_SUSPENDED)
/* CCW execution stopped on a suspend bit. */
channel->state = CH_STATE_SUSPENDED;
-
if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) {
if (irb->scsw.cc != 0) {
ccw_device_halt(channel->ccwdev, (addr_t) channel);
@@ -1376,7 +1440,6 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
/* The channel has been stopped by halt_IO. */
channel->state = CH_STATE_HALTED;
}
-
if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) {
channel->state = CH_STATE_CLEARED;
}
@@ -1452,7 +1515,7 @@ lcs_txbuffer_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
lcs_release_buffer(channel, buffer);
card = (struct lcs_card *)
((char *) channel - offsetof(struct lcs_card, write));
- if (netif_queue_stopped(card->dev))
+ if (netif_queue_stopped(card->dev) && netif_carrier_ok(card->dev))
netif_wake_queue(card->dev);
spin_lock(&card->lock);
card->tx_emitted--;
@@ -1488,6 +1551,10 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
card->stats.tx_carrier_errors++;
return 0;
}
+ if (skb->protocol == htons(ETH_P_IPV6)) {
+ dev_kfree_skb(skb);
+ return 0;
+ }
netif_stop_queue(card->dev);
spin_lock(&card->lock);
if (card->tx_buffer != NULL &&
@@ -1633,30 +1700,6 @@ lcs_detect(struct lcs_card *card)
}
/**
- * reset card
- */
-static int
-lcs_resetcard(struct lcs_card *card)
-{
- int retries;
-
- LCS_DBF_TEXT(2, trace, "rescard");
- for (retries = 0; retries < 10; retries++) {
- if (lcs_detect(card) == 0) {
- netif_wake_queue(card->dev);
- card->state = DEV_STATE_UP;
- PRINT_INFO("LCS device %s successfully restarted!\n",
- card->dev->name);
- return 0;
- }
- msleep(3000);
- }
- PRINT_ERR("Error in Reseting LCS card!\n");
- return -EIO;
-}
-
-
-/**
* LCS Stop card
*/
static int
@@ -1680,126 +1723,18 @@ lcs_stopcard(struct lcs_card *card)
}
/**
- * LGW initiated commands
- */
-static int
-lcs_lgw_startlan_thread(void *data)
-{
- struct lcs_card *card;
-
- card = (struct lcs_card *) data;
- daemonize("lgwstpln");
-
- if (!lcs_do_run_thread(card, LCS_STARTLAN_THREAD))
- return 0;
- LCS_DBF_TEXT(4, trace, "lgwstpln");
- if (card->dev)
- netif_stop_queue(card->dev);
- if (lcs_startlan(card) == 0) {
- netif_wake_queue(card->dev);
- card->state = DEV_STATE_UP;
- PRINT_INFO("LCS Startlan for device %s succeeded!\n",
- card->dev->name);
-
- } else
- PRINT_ERR("LCS Startlan for device %s failed!\n",
- card->dev->name);
- lcs_clear_thread_running_bit(card, LCS_STARTLAN_THREAD);
- return 0;
-}
-
-/**
- * Send startup command initiated by Lan Gateway
- */
-static int
-lcs_lgw_startup_thread(void *data)
-{
- int rc;
-
- struct lcs_card *card;
-
- card = (struct lcs_card *) data;
- daemonize("lgwstaln");
-
- if (!lcs_do_run_thread(card, LCS_STARTUP_THREAD))
- return 0;
- LCS_DBF_TEXT(4, trace, "lgwstaln");
- if (card->dev)
- netif_stop_queue(card->dev);
- rc = lcs_send_startup(card, LCS_INITIATOR_LGW);
- if (rc != 0) {
- PRINT_ERR("Startup for LCS device %s initiated " \
- "by LGW failed!\nReseting card ...\n",
- card->dev->name);
- /* do a card reset */
- rc = lcs_resetcard(card);
- if (rc == 0)
- goto Done;
- }
- rc = lcs_startlan(card);
- if (rc == 0) {
- netif_wake_queue(card->dev);
- card->state = DEV_STATE_UP;
- }
-Done:
- if (rc == 0)
- PRINT_INFO("LCS Startup for device %s succeeded!\n",
- card->dev->name);
- else
- PRINT_ERR("LCS Startup for device %s failed!\n",
- card->dev->name);
- lcs_clear_thread_running_bit(card, LCS_STARTUP_THREAD);
- return 0;
-}
-
-
-/**
- * send stoplan command initiated by Lan Gateway
- */
-static int
-lcs_lgw_stoplan_thread(void *data)
-{
- struct lcs_card *card;
- int rc;
-
- card = (struct lcs_card *) data;
- daemonize("lgwstop");
-
- if (!lcs_do_run_thread(card, LCS_STOPLAN_THREAD))
- return 0;
- LCS_DBF_TEXT(4, trace, "lgwstop");
- if (card->dev)
- netif_stop_queue(card->dev);
- if (lcs_send_stoplan(card, LCS_INITIATOR_LGW) == 0)
- PRINT_INFO("Stoplan for %s initiated by LGW succeeded!\n",
- card->dev->name);
- else
- PRINT_ERR("Stoplan %s initiated by LGW failed!\n",
- card->dev->name);
- /*Try to reset the card, stop it on failure */
- rc = lcs_resetcard(card);
- if (rc != 0)
- rc = lcs_stopcard(card);
- lcs_clear_thread_running_bit(card, LCS_STOPLAN_THREAD);
- return rc;
-}
-
-/**
* Kernel Thread helper functions for LGW initiated commands
*/
static void
lcs_start_kernel_thread(struct lcs_card *card)
{
LCS_DBF_TEXT(5, trace, "krnthrd");
- if (lcs_do_start_thread(card, LCS_STARTUP_THREAD))
- kernel_thread(lcs_lgw_startup_thread, (void *) card, SIGCHLD);
- if (lcs_do_start_thread(card, LCS_STARTLAN_THREAD))
- kernel_thread(lcs_lgw_startlan_thread, (void *) card, SIGCHLD);
- if (lcs_do_start_thread(card, LCS_STOPLAN_THREAD))
- kernel_thread(lcs_lgw_stoplan_thread, (void *) card, SIGCHLD);
+ if (lcs_do_start_thread(card, LCS_RECOVERY_THREAD))
+ kernel_thread(lcs_recovery, (void *) card, SIGCHLD);
#ifdef CONFIG_IP_MULTICAST
if (lcs_do_start_thread(card, LCS_SET_MC_THREAD))
- kernel_thread(lcs_register_mc_addresses, (void *) card, SIGCHLD);
+ kernel_thread(lcs_register_mc_addresses,
+ (void *) card, SIGCHLD);
#endif
}
@@ -1813,19 +1748,14 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd)
if (cmd->initiator == LCS_INITIATOR_LGW) {
switch(cmd->cmd_code) {
case LCS_CMD_STARTUP:
- if (!lcs_set_thread_start_bit(card,
- LCS_STARTUP_THREAD))
- schedule_work(&card->kernel_thread_starter);
- break;
case LCS_CMD_STARTLAN:
- if (!lcs_set_thread_start_bit(card,
- LCS_STARTLAN_THREAD))
- schedule_work(&card->kernel_thread_starter);
+ lcs_schedule_recovery(card);
break;
case LCS_CMD_STOPLAN:
- if (!lcs_set_thread_start_bit(card,
- LCS_STOPLAN_THREAD))
- schedule_work(&card->kernel_thread_starter);
+ PRINT_WARN("Stoplan for %s initiated by LGW.\n",
+ card->dev->name);
+ if (card->dev)
+ netif_carrier_off(card->dev);
break;
default:
PRINT_INFO("UNRECOGNIZED LGW COMMAND\n");
@@ -1941,8 +1871,11 @@ lcs_stop_device(struct net_device *dev)
LCS_DBF_TEXT(2, trace, "stopdev");
card = (struct lcs_card *) dev->priv;
- netif_stop_queue(dev);
+ netif_carrier_off(dev);
+ netif_tx_disable(dev);
dev->flags &= ~IFF_UP;
+ wait_event(card->write.wait_q,
+ (card->write.state != CH_STATE_RUNNING));
rc = lcs_stopcard(card);
if (rc)
PRINT_ERR("Try it again!\n ");
@@ -1968,6 +1901,7 @@ lcs_open_device(struct net_device *dev)
} else {
dev->flags |= IFF_UP;
+ netif_carrier_on(dev);
netif_wake_queue(dev);
card->state = DEV_STATE_UP;
}
@@ -2059,10 +1993,31 @@ lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char
DEVICE_ATTR(lancmd_timeout, 0644, lcs_timeout_show, lcs_timeout_store);
+static ssize_t
+lcs_dev_recover_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct lcs_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+ if (card->state != DEV_STATE_UP)
+ return -EPERM;
+ i = simple_strtoul(buf, &tmp, 16);
+ if (i == 1)
+ lcs_schedule_recovery(card);
+ return count;
+}
+
+static DEVICE_ATTR(recover, 0200, NULL, lcs_dev_recover_store);
+
static struct attribute * lcs_attrs[] = {
&dev_attr_portno.attr,
&dev_attr_type.attr,
&dev_attr_lancmd_timeout.attr,
+ &dev_attr_recover.attr,
NULL,
};
@@ -2099,6 +2054,12 @@ lcs_probe_device(struct ccwgroup_device *ccwgdev)
ccwgdev->dev.driver_data = card;
ccwgdev->cdev[0]->handler = lcs_irq;
ccwgdev->cdev[1]->handler = lcs_irq;
+ card->gdev = ccwgdev;
+ INIT_WORK(&card->kernel_thread_starter,
+ (void *) lcs_start_kernel_thread, card);
+ card->thread_start_mask = 0;
+ card->thread_allowed_mask = 0;
+ card->thread_running_mask = 0;
return 0;
}
@@ -2200,6 +2161,7 @@ netdev_out:
if (recover_state == DEV_STATE_RECOVER) {
lcs_set_multicast_list(card->dev);
card->dev->flags |= IFF_UP;
+ netif_carrier_on(card->dev);
netif_wake_queue(card->dev);
card->state = DEV_STATE_UP;
} else {
@@ -2229,7 +2191,7 @@ out:
* lcs_shutdown_device, called when setting the group device offline.
*/
static int
-lcs_shutdown_device(struct ccwgroup_device *ccwgdev)
+__lcs_shutdown_device(struct ccwgroup_device *ccwgdev, int recovery_mode)
{
struct lcs_card *card;
enum lcs_dev_states recover_state;
@@ -2239,9 +2201,11 @@ lcs_shutdown_device(struct ccwgroup_device *ccwgdev)
card = (struct lcs_card *)ccwgdev->dev.driver_data;
if (!card)
return -ENODEV;
- lcs_set_allowed_threads(card, 0);
- if (lcs_wait_for_threads(card, LCS_SET_MC_THREAD))
- return -ERESTARTSYS;
+ if (recovery_mode == 0) {
+ lcs_set_allowed_threads(card, 0);
+ if (lcs_wait_for_threads(card, LCS_SET_MC_THREAD))
+ return -ERESTARTSYS;
+ }
LCS_DBF_HEX(3, setup, &card, sizeof(void*));
recover_state = card->state;
@@ -2256,6 +2220,43 @@ lcs_shutdown_device(struct ccwgroup_device *ccwgdev)
return 0;
}
+static int
+lcs_shutdown_device(struct ccwgroup_device *ccwgdev)
+{
+ return __lcs_shutdown_device(ccwgdev, 0);
+}
+
+/**
+ * drive lcs recovery after startup and startlan initiated by Lan Gateway
+ */
+static int
+lcs_recovery(void *ptr)
+{
+ struct lcs_card *card;
+ struct ccwgroup_device *gdev;
+ int rc;
+
+ card = (struct lcs_card *) ptr;
+ daemonize("lcs_recover");
+
+ LCS_DBF_TEXT(4, trace, "recover1");
+ if (!lcs_do_run_thread(card, LCS_RECOVERY_THREAD))
+ return 0;
+ LCS_DBF_TEXT(4, trace, "recover2");
+ gdev = card->gdev;
+ PRINT_WARN("Recovery of device %s started...\n", gdev->dev.bus_id);
+ rc = __lcs_shutdown_device(gdev, 1);
+ rc = lcs_new_device(gdev);
+ if (!rc)
+ PRINT_INFO("Device %s successfully recovered!\n",
+ card->dev->name);
+ else
+ PRINT_INFO("Device %s could not be recovered!\n",
+ card->dev->name);
+ lcs_clear_thread_running_bit(card, LCS_RECOVERY_THREAD);
+ return 0;
+}
+
/**
* lcs_remove_device, free buffers and card
*/
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
index 2fad5e40c2e..93143932983 100644
--- a/drivers/s390/net/lcs.h
+++ b/drivers/s390/net/lcs.h
@@ -73,13 +73,17 @@ do { \
/**
* LCS sense byte definitions
*/
+#define LCS_SENSE_BYTE_0 0
+#define LCS_SENSE_BYTE_1 1
+#define LCS_SENSE_BYTE_2 2
+#define LCS_SENSE_BYTE_3 3
#define LCS_SENSE_INTERFACE_DISCONNECT 0x01
#define LCS_SENSE_EQUIPMENT_CHECK 0x10
#define LCS_SENSE_BUS_OUT_CHECK 0x20
#define LCS_SENSE_INTERVENTION_REQUIRED 0x40
#define LCS_SENSE_CMD_REJECT 0x80
-#define LCS_SENSE_RESETTING_EVENT 0x0080
-#define LCS_SENSE_DEVICE_ONLINE 0x0020
+#define LCS_SENSE_RESETTING_EVENT 0x80
+#define LCS_SENSE_DEVICE_ONLINE 0x20
/**
* LCS packet type definitions
@@ -152,10 +156,9 @@ enum lcs_dev_states {
enum lcs_threads {
LCS_SET_MC_THREAD = 1,
- LCS_STARTLAN_THREAD = 2,
- LCS_STOPLAN_THREAD = 4,
- LCS_STARTUP_THREAD = 8,
+ LCS_RECOVERY_THREAD = 2,
};
+
/**
* LCS struct declarations
*/
@@ -286,6 +289,7 @@ struct lcs_card {
struct net_device_stats stats;
unsigned short (*lan_type_trans)(struct sk_buff *skb,
struct net_device *dev);
+ struct ccwgroup_device *gdev;
struct lcs_channel read;
struct lcs_channel write;
struct lcs_buffer *tx_buffer;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 260a93c8c44..b452cc1afd5 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -30,7 +30,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
-
+
#undef DEBUG
#include <linux/module.h>
@@ -65,7 +65,7 @@ MODULE_AUTHOR
("(C) 2001 IBM Corporation by Fritz Elfert (felfert@millenux.com)");
MODULE_DESCRIPTION ("Linux for S/390 IUCV network driver");
-
+
#define PRINTK_HEADER " iucv: " /* for debugging */
static struct device_driver netiucv_driver = {
@@ -202,7 +202,7 @@ netiucv_printname(char *name)
*p = '\0';
return tmp;
}
-
+
/**
* States of the interface statemachine.
*/
@@ -244,7 +244,7 @@ static const char *dev_event_names[] = {
"Connection up",
"Connection down",
};
-
+
/**
* Events of the connection statemachine
*/
@@ -364,7 +364,7 @@ static const char *conn_state_names[] = {
"Connect error",
};
-
+
/**
* Debug Facility Stuff
*/
@@ -516,7 +516,7 @@ static void
fsm_action_nop(fsm_instance *fi, int event, void *arg)
{
}
-
+
/**
* Actions of the connection statemachine
*****************************************************************************/
@@ -993,7 +993,7 @@ static const fsm_node conn_fsm[] = {
static const int CONN_FSM_LEN = sizeof(conn_fsm) / sizeof(fsm_node);
-
+
/**
* Actions for interface - statemachine.
*****************************************************************************/
@@ -1182,7 +1182,7 @@ netiucv_transmit_skb(struct iucv_connection *conn, struct sk_buff *skb) {
fsm_newstate(conn->fsm, CONN_STATE_TX);
conn->prof.send_stamp = xtime;
-
+
rc = iucv_send(conn->pathid, NULL, 0, 0, 1 /* single_flag */,
0, nskb->data, nskb->len);
/* Shut up, gcc! nskb is always below 2G. */
@@ -1220,7 +1220,7 @@ netiucv_transmit_skb(struct iucv_connection *conn, struct sk_buff *skb) {
return rc;
}
-
+
/**
* Interface API for upper network layers
*****************************************************************************/
@@ -1291,7 +1291,7 @@ static int netiucv_tx(struct sk_buff *skb, struct net_device *dev)
/**
* If connection is not running, try to restart it
- * and throw away packet.
+ * and throw away packet.
*/
if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) {
fsm_event(privptr->fsm, DEV_EVENT_START, dev);
@@ -1538,7 +1538,7 @@ static ssize_t
maxcq_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct netiucv_priv *priv = dev->driver_data;
-
+
IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
priv->conn->prof.maxcqueue = 0;
return count;
@@ -1559,7 +1559,7 @@ static ssize_t
sdoio_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct netiucv_priv *priv = dev->driver_data;
-
+
IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
priv->conn->prof.doios_single = 0;
return count;
@@ -1580,7 +1580,7 @@ static ssize_t
mdoio_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct netiucv_priv *priv = dev->driver_data;
-
+
IUCV_DBF_TEXT(trace, 5, __FUNCTION__);
priv->conn->prof.doios_multi = 0;
return count;
@@ -1601,7 +1601,7 @@ static ssize_t
txlen_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct netiucv_priv *priv = dev->driver_data;
-
+
IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
priv->conn->prof.txlen = 0;
return count;
@@ -1622,7 +1622,7 @@ static ssize_t
txtime_write (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct netiucv_priv *priv = dev->driver_data;
-
+
IUCV_DBF_TEXT(trace, 4, __FUNCTION__);
priv->conn->prof.tx_time = 0;
return count;
@@ -2000,7 +2000,7 @@ conn_write(struct device_driver *drv, const char *buf, size_t count)
}
PRINT_INFO("%s: '%s'\n", dev->name, netiucv_printname(username));
-
+
return count;
out_free_ndev:
@@ -2099,7 +2099,7 @@ static int __init
netiucv_init(void)
{
int ret;
-
+
ret = iucv_register_dbf_views();
if (ret) {
PRINT_WARN("netiucv_init failed, "
@@ -2128,7 +2128,7 @@ netiucv_init(void)
}
return ret;
}
-
+
module_init(netiucv_init);
module_exit(netiucv_exit);
MODULE_LICENSE("GPL");
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 4df0fcd7b10..619f4a0c716 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -376,7 +376,7 @@ struct qeth_hdr_osn {
__u8 reserved3[18];
__u32 ccid;
} __attribute__ ((packed));
-
+
struct qeth_hdr {
union {
struct qeth_hdr_layer2 l2;
@@ -825,7 +825,7 @@ struct qeth_card {
int use_hard_stop;
int (*orig_hard_header)(struct sk_buff *,struct net_device *,
unsigned short,void *,void *,unsigned);
- struct qeth_osn_info osn_info;
+ struct qeth_osn_info osn_info;
};
struct qeth_card_list_struct {
@@ -944,7 +944,7 @@ qeth_get_netdev_flags(struct qeth_card *card)
return 0;
switch (card->info.type) {
case QETH_CARD_TYPE_IQD:
- case QETH_CARD_TYPE_OSN:
+ case QETH_CARD_TYPE_OSN:
return IFF_NOARP;
#ifdef CONFIG_QETH_IPV6
default:
@@ -981,7 +981,7 @@ static inline int
qeth_get_max_mtu_for_card(int cardtype)
{
switch (cardtype) {
-
+
case QETH_CARD_TYPE_UNKNOWN:
case QETH_CARD_TYPE_OSAE:
case QETH_CARD_TYPE_OSN:
@@ -1097,9 +1097,9 @@ qeth_string_to_ipaddr4(const char *buf, __u8 *addr)
int count = 0, rc = 0;
int in[4];
- rc = sscanf(buf, "%d.%d.%d.%d%n",
+ rc = sscanf(buf, "%d.%d.%d.%d%n",
&in[0], &in[1], &in[2], &in[3], &count);
- if (rc != 4 || count)
+ if (rc != 4 || count<=0)
return -EINVAL;
for (count = 0; count < 4; count++) {
if (in[count] > 255)
@@ -1131,7 +1131,7 @@ qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
cnt = out = found = save_cnt = num2 = 0;
end = start = (char *) buf;
- in = (__u16 *) addr;
+ in = (__u16 *) addr;
memset(in, 0, 16);
while (end) {
end = strchr(end,':');
@@ -1139,7 +1139,7 @@ qeth_string_to_ipaddr6(const char *buf, __u8 *addr)
end = (char *)buf + (strlen(buf));
out = 1;
}
- if ((end - start)) {
+ if ((end - start)) {
memset(num, 0, 5);
memcpy(num, start, end - start);
if (!qeth_isxdigit(num))
@@ -1241,5 +1241,5 @@ qeth_osn_register(unsigned char *read_dev_no,
extern void
qeth_osn_deregister(struct net_device *);
-
+
#endif /* __QETH_H__ */
diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c
index 44e226f211e..0bab60a2030 100644
--- a/drivers/s390/net/qeth_eddp.c
+++ b/drivers/s390/net/qeth_eddp.c
@@ -81,7 +81,7 @@ void
qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *buf)
{
struct qeth_eddp_context_reference *ref;
-
+
QETH_DBF_TEXT(trace, 6, "eddprctx");
while (!list_empty(&buf->ctx_list)){
ref = list_entry(buf->ctx_list.next,
@@ -135,7 +135,7 @@ qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue,
"buffer!\n");
goto out;
}
- }
+ }
/* check if the whole next skb fits into current buffer */
if ((QETH_MAX_BUFFER_ELEMENTS(queue->card) -
buf->next_element_to_fill)
@@ -148,7 +148,7 @@ qeth_eddp_fill_buffer(struct qeth_qdio_out_q *queue,
* and increment ctx's refcnt */
must_refcnt = 1;
continue;
- }
+ }
if (must_refcnt){
must_refcnt = 0;
if (qeth_eddp_buf_ref_context(buf, ctx)){
@@ -266,7 +266,7 @@ qeth_eddp_copy_data_tcp(char *dst, struct qeth_eddp_data *eddp, int len,
int left_in_frag;
int copy_len;
u8 *src;
-
+
QETH_DBF_TEXT(trace, 5, "eddpcdtc");
if (skb_shinfo(eddp->skb)->nr_frags == 0) {
memcpy(dst, eddp->skb->data + eddp->skb_offset, len);
@@ -408,7 +408,7 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct tcphdr *tcph;
int data_len;
u32 hcsum;
-
+
QETH_DBF_TEXT(trace, 5, "eddpftcp");
eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl;
if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) {
@@ -465,13 +465,13 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
eddp->th.tcp.h.seq += data_len;
}
}
-
+
static inline int
qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx,
struct sk_buff *skb, struct qeth_hdr *qhdr)
{
struct qeth_eddp_data *eddp = NULL;
-
+
QETH_DBF_TEXT(trace, 5, "eddpficx");
/* create our segmentation headers and copy original headers */
if (skb->protocol == ETH_P_IP)
@@ -512,7 +512,7 @@ qeth_eddp_calc_num_pages(struct qeth_eddp_context *ctx, struct sk_buff *skb,
int hdr_len)
{
int skbs_per_page;
-
+
QETH_DBF_TEXT(trace, 5, "eddpcanp");
/* can we put multiple skbs in one page? */
skbs_per_page = PAGE_SIZE / (skb_shinfo(skb)->tso_size + hdr_len);
@@ -588,7 +588,7 @@ qeth_eddp_create_context_tcp(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *qhdr)
{
struct qeth_eddp_context *ctx = NULL;
-
+
QETH_DBF_TEXT(trace, 5, "creddpct");
if (skb->protocol == ETH_P_IP)
ctx = qeth_eddp_create_context_generic(card, skb,
diff --git a/drivers/s390/net/qeth_fs.h b/drivers/s390/net/qeth_fs.h
index e422b41c656..61faf05517d 100644
--- a/drivers/s390/net/qeth_fs.h
+++ b/drivers/s390/net/qeth_fs.h
@@ -42,7 +42,7 @@ qeth_create_device_attributes_osn(struct device *dev);
extern void
qeth_remove_device_attributes_osn(struct device *dev);
-
+
extern int
qeth_create_driver_attributes(void);
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index b3c6e790779..9e671a48cd2 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -513,7 +513,7 @@ __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode)
QETH_DBF_TEXT(setup, 3, "setoffl");
QETH_DBF_HEX(setup, 3, &card, sizeof(void *));
-
+
if (card->dev && netif_carrier_ok(card->dev))
netif_carrier_off(card->dev);
recover_flag = card->state;
@@ -604,13 +604,13 @@ __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo,
list_for_each_entry(addr, &card->ip_list, entry) {
if (card->options.layer2) {
if ((addr->type == todo->type) &&
- (memcmp(&addr->mac, &todo->mac,
+ (memcmp(&addr->mac, &todo->mac,
OSA_ADDR_LEN) == 0)) {
found = 1;
break;
}
continue;
- }
+ }
if ((addr->proto == QETH_PROT_IPV4) &&
(todo->proto == QETH_PROT_IPV4) &&
(addr->type == todo->type) &&
@@ -694,13 +694,13 @@ __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add)
if (card->options.layer2) {
if ((tmp->type == addr->type) &&
(tmp->is_multicast == addr->is_multicast) &&
- (memcmp(&tmp->mac, &addr->mac,
+ (memcmp(&tmp->mac, &addr->mac,
OSA_ADDR_LEN) == 0)) {
found = 1;
break;
}
continue;
- }
+ }
if ((tmp->proto == QETH_PROT_IPV4) &&
(addr->proto == QETH_PROT_IPV4) &&
(tmp->type == addr->type) &&
@@ -1173,7 +1173,7 @@ qeth_determine_card_type(struct qeth_card *card)
"due to hardware limitations!\n");
card->qdio.no_out_queues = 1;
card->qdio.default_out_queue = 0;
- }
+ }
return 0;
}
i++;
@@ -1198,7 +1198,7 @@ qeth_probe_device(struct ccwgroup_device *gdev)
return -ENODEV;
QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id);
-
+
card = qeth_alloc_card();
if (!card) {
put_device(dev);
@@ -1220,7 +1220,7 @@ qeth_probe_device(struct ccwgroup_device *gdev)
put_device(dev);
qeth_free_card(card);
return rc;
- }
+ }
if ((rc = qeth_setup_card(card))){
QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
put_device(dev);
@@ -1843,7 +1843,7 @@ struct qeth_cmd_buffer *iob)
&card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);
QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN);
}
-
+
static int
qeth_send_control_data(struct qeth_card *card, int len,
struct qeth_cmd_buffer *iob,
@@ -1937,7 +1937,7 @@ qeth_osn_send_control_data(struct qeth_card *card, int len,
wake_up(&card->wait_q);
}
return rc;
-}
+}
static inline void
qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
@@ -1966,7 +1966,7 @@ qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
return qeth_osn_send_control_data(card, s1, iob);
}
-
+
static int
qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
int (*reply_cb)
@@ -2579,7 +2579,7 @@ qeth_process_inbound_buffer(struct qeth_card *card,
skb->dev = card->dev;
if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
- else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
+ else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
qeth_rebuild_skb(card, skb, hdr);
else { /*in case of OSN*/
skb_push(skb, sizeof(struct qeth_hdr));
@@ -2763,7 +2763,7 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status,
index = i % QDIO_MAX_BUFFERS_PER_Q;
buffer = &card->qdio.in_q->bufs[index];
if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) &&
- qeth_check_qdio_errors(buffer->buffer,
+ qeth_check_qdio_errors(buffer->buffer,
qdio_err, siga_err,"qinerr")))
qeth_process_inbound_buffer(card, buffer, index);
/* clear buffer and give back to hardware */
@@ -3187,7 +3187,7 @@ qeth_alloc_qdio_buffers(struct qeth_card *card)
if (card->qdio.state == QETH_QDIO_ALLOCATED)
return 0;
- card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
+ card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q),
GFP_KERNEL|GFP_DMA);
if (!card->qdio.in_q)
return - ENOMEM;
@@ -3476,7 +3476,7 @@ qeth_halt_channels(struct qeth_card *card)
rc3 = qeth_halt_channel(&card->data);
if (rc1)
return rc1;
- if (rc2)
+ if (rc2)
return rc2;
return rc3;
}
@@ -3491,7 +3491,7 @@ qeth_clear_channels(struct qeth_card *card)
rc3 = qeth_clear_channel(&card->data);
if (rc1)
return rc1;
- if (rc2)
+ if (rc2)
return rc2;
return rc3;
}
@@ -3798,10 +3798,10 @@ qeth_open(struct net_device *dev)
QETH_DBF_TEXT(trace,4,"nomacadr");
return -EPERM;
}
- card->dev->flags |= IFF_UP;
- netif_start_queue(dev);
card->data.state = CH_STATE_UP;
card->state = CARD_STATE_UP;
+ card->dev->flags |= IFF_UP;
+ netif_start_queue(dev);
if (!card->lan_online && netif_carrier_ok(dev))
netif_carrier_off(dev);
@@ -3817,7 +3817,7 @@ qeth_stop(struct net_device *dev)
card = (struct qeth_card *) dev->priv;
- netif_stop_queue(dev);
+ netif_tx_disable(dev);
card->dev->flags &= ~IFF_UP;
if (card->state == CARD_STATE_UP)
card->state = CARD_STATE_SOFTSETUP;
@@ -3958,7 +3958,7 @@ qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb,
#endif
*hdr = (struct qeth_hdr *)
qeth_push_skb(card, skb, sizeof(struct qeth_hdr));
- if (hdr == NULL)
+ if (*hdr == NULL)
return -EINVAL;
return 0;
}
@@ -4098,7 +4098,7 @@ qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
}
} else { /* passthrough */
if((skb->dev->type == ARPHRD_IEEE802_TR) &&
- !memcmp(skb->data + sizeof(struct qeth_hdr) +
+ !memcmp(skb->data + sizeof(struct qeth_hdr) +
sizeof(__u16), skb->dev->broadcast, 6)) {
hdr->hdr.l3.flags = QETH_CAST_BROADCAST |
QETH_HDR_PASSTHRU;
@@ -4385,7 +4385,7 @@ out:
}
static inline int
-qeth_get_elements_no(struct qeth_card *card, void *hdr,
+qeth_get_elements_no(struct qeth_card *card, void *hdr,
struct sk_buff *skb, int elems)
{
int elements_needed = 0;
@@ -4416,6 +4416,8 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO;
struct qeth_eddp_context *ctx = NULL;
int tx_bytes = skb->len;
+ unsigned short nr_frags = skb_shinfo(skb)->nr_frags;
+ unsigned short tso_size = skb_shinfo(skb)->tso_size;
int rc;
QETH_DBF_TEXT(trace, 6, "sendpkt");
@@ -4441,7 +4443,7 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
return 0;
}
cast_type = qeth_get_cast_type(card, skb);
- if ((cast_type == RTN_BROADCAST) &&
+ if ((cast_type == RTN_BROADCAST) &&
(card->info.broadcast_capable == 0)){
card->stats.tx_dropped++;
card->stats.tx_errors++;
@@ -4463,7 +4465,7 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
card->stats.tx_errors++;
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
- }
+ }
elements_needed++;
} else {
if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) {
@@ -4498,16 +4500,16 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
card->stats.tx_packets++;
card->stats.tx_bytes += tx_bytes;
#ifdef CONFIG_QETH_PERF_STATS
- if (skb_shinfo(skb)->tso_size &&
+ if (tso_size &&
!(large_send == QETH_LARGE_SEND_NO)) {
- card->perf_stats.large_send_bytes += skb->len;
+ card->perf_stats.large_send_bytes += tx_bytes;
card->perf_stats.large_send_cnt++;
}
- if (skb_shinfo(skb)->nr_frags > 0){
+ if (nr_frags > 0){
card->perf_stats.sg_skbs_sent++;
/* nr_frags + skb->data */
card->perf_stats.sg_frags_sent +=
- skb_shinfo(skb)->nr_frags + 1;
+ nr_frags + 1;
}
#endif /* CONFIG_QETH_PERF_STATS */
}
@@ -5373,7 +5375,7 @@ qeth_layer2_send_setdelvlan_cb(struct qeth_card *card,
cmd = (struct qeth_ipa_cmd *) data;
if (cmd->hdr.return_code) {
PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
- "Continuing\n",cmd->data.setdelvlan.vlan_id,
+ "Continuing\n",cmd->data.setdelvlan.vlan_id,
QETH_CARD_IFNAME(card), cmd->hdr.return_code);
QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command);
QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
@@ -5393,7 +5395,7 @@ qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.setdelvlan.vlan_id = i;
- return qeth_send_ipa_cmd(card, iob,
+ return qeth_send_ipa_cmd(card, iob,
qeth_layer2_send_setdelvlan_cb, NULL);
}
@@ -5457,7 +5459,7 @@ qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
* Examine hardware response to SET_PROMISC_MODE
*/
static int
-qeth_setadp_promisc_mode_cb(struct qeth_card *card,
+qeth_setadp_promisc_mode_cb(struct qeth_card *card,
struct qeth_reply *reply,
unsigned long data)
{
@@ -5468,10 +5470,10 @@ qeth_setadp_promisc_mode_cb(struct qeth_card *card,
cmd = (struct qeth_ipa_cmd *) data;
setparms = &(cmd->data.setadapterparms);
-
+
qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
- if (cmd->hdr.return_code) {
- QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
+ if (cmd->hdr.return_code) {
+ QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code);
setparms->data.mode = SET_PROMISC_MODE_OFF;
}
card->info.promisc_mode = setparms->data.mode;
@@ -5517,7 +5519,7 @@ qeth_set_multicast_list(struct net_device *dev)
if (card->info.type == QETH_CARD_TYPE_OSN)
return ;
-
+
QETH_DBF_TEXT(trace, 3, "setmulti");
qeth_delete_mc_addresses(card);
if (card->options.layer2) {
@@ -5575,7 +5577,7 @@ qeth_osn_assist(struct net_device *dev,
struct qeth_cmd_buffer *iob;
struct qeth_card *card;
int rc;
-
+
QETH_DBF_TEXT(trace, 2, "osnsdmc");
if (!dev)
return -ENODEV;
@@ -5654,7 +5656,7 @@ qeth_osn_deregister(struct net_device * dev)
card->osn_info.data_cb = NULL;
return;
}
-
+
static void
qeth_delete_mc_addresses(struct qeth_card *card)
{
@@ -5818,7 +5820,7 @@ qeth_add_multicast_ipv6(struct qeth_card *card)
struct inet6_dev *in6_dev;
QETH_DBF_TEXT(trace,4,"chkmcv6");
- if (!qeth_is_supported(card, IPA_IPV6))
+ if (!qeth_is_supported(card, IPA_IPV6))
return ;
in6_dev = in6_dev_get(card->dev);
if (in6_dev == NULL)
@@ -6359,12 +6361,9 @@ qeth_netdev_init(struct net_device *dev)
dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
#endif
- dev->hard_header = card->orig_hard_header;
if (qeth_get_netdev_flags(card) & IFF_NOARP) {
dev->rebuild_header = NULL;
dev->hard_header = NULL;
- if (card->options.fake_ll)
- dev->hard_header = qeth_fake_header;
dev->header_cache_update = NULL;
dev->hard_header_cache = NULL;
}
@@ -6373,6 +6372,9 @@ qeth_netdev_init(struct net_device *dev)
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id & 0xffff;
#endif
+ if (card->options.fake_ll &&
+ (qeth_get_netdev_flags(card) & IFF_NOARP))
+ dev->hard_header = qeth_fake_header;
dev->hard_header_parse = NULL;
dev->set_mac_address = qeth_layer2_set_mac_address;
dev->flags |= qeth_get_netdev_flags(card);
@@ -6477,6 +6479,9 @@ retry:
/*network device will be recovered*/
if (card->dev) {
card->dev->hard_header = card->orig_hard_header;
+ if (card->options.fake_ll &&
+ (qeth_get_netdev_flags(card) & IFF_NOARP))
+ card->dev->hard_header = qeth_fake_header;
return 0;
}
/* at first set_online allocate netdev */
@@ -6584,7 +6589,7 @@ qeth_setadpparms_change_macaddr_cb(struct qeth_card *card,
cmd = (struct qeth_ipa_cmd *) data;
if (!card->options.layer2 || card->info.guestlan ||
- !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
+ !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) {
memcpy(card->dev->dev_addr,
&cmd->data.setadapterparms.data.change_addr.addr,
OSA_ADDR_LEN);
@@ -7031,14 +7036,12 @@ qeth_softsetup_ipv6(struct qeth_card *card)
QETH_DBF_TEXT(trace,3,"softipv6");
- netif_stop_queue(card->dev);
rc = qeth_send_startlan(card, QETH_PROT_IPV6);
if (rc) {
PRINT_ERR("IPv6 startlan failed on %s\n",
QETH_CARD_IFNAME(card));
return rc;
}
- netif_wake_queue(card->dev);
rc = qeth_query_ipassists(card,QETH_PROT_IPV6);
if (rc) {
PRINT_ERR("IPv6 query ipassist failed on %s\n",
@@ -7352,7 +7355,8 @@ qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
card->options.large_send = type;
return 0;
}
- netif_stop_queue(card->dev);
+ if (card->state == CARD_STATE_UP)
+ netif_tx_disable(card->dev);
card->options.large_send = type;
switch (card->options.large_send) {
case QETH_LARGE_SEND_EDDP:
@@ -7374,7 +7378,8 @@ qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type)
card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG);
break;
}
- netif_wake_queue(card->dev);
+ if (card->state == CARD_STATE_UP)
+ netif_wake_queue(card->dev);
return rc;
}
@@ -7427,7 +7432,7 @@ qeth_softsetup_card(struct qeth_card *card)
if ((rc = qeth_setrouting_v6(card)))
QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
out:
- netif_stop_queue(card->dev);
+ netif_tx_disable(card->dev);
return 0;
}
@@ -7567,7 +7572,7 @@ qeth_stop_card(struct qeth_card *card, int recovery_mode)
if (card->read.state == CH_STATE_UP &&
card->write.state == CH_STATE_UP &&
(card->state == CARD_STATE_UP)) {
- if (recovery_mode &&
+ if (recovery_mode &&
card->info.type != QETH_CARD_TYPE_OSN) {
qeth_stop(card->dev);
} else {
@@ -7736,10 +7741,8 @@ static int
qeth_register_netdev(struct qeth_card *card)
{
QETH_DBF_TEXT(setup, 3, "regnetd");
- if (card->dev->reg_state != NETREG_UNINITIALIZED) {
- qeth_netdev_init(card->dev);
+ if (card->dev->reg_state != NETREG_UNINITIALIZED)
return 0;
- }
/* sysfs magic */
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
return register_netdev(card->dev);
@@ -7750,7 +7753,7 @@ qeth_start_again(struct qeth_card *card, int recovery_mode)
{
QETH_DBF_TEXT(setup ,2, "startag");
- if (recovery_mode &&
+ if (recovery_mode &&
card->info.type != QETH_CARD_TYPE_OSN) {
qeth_open(card->dev);
} else {
@@ -8014,7 +8017,6 @@ static int (*qeth_old_arp_constructor) (struct neighbour *);
static struct neigh_ops arp_direct_ops_template = {
.family = AF_INET,
- .destructor = NULL,
.solicit = NULL,
.error_report = NULL,
.output = dev_queue_xmit,
diff --git a/drivers/s390/net/qeth_mpc.h b/drivers/s390/net/qeth_mpc.h
index 011c4104102..0477c47471c 100644
--- a/drivers/s390/net/qeth_mpc.h
+++ b/drivers/s390/net/qeth_mpc.h
@@ -445,7 +445,7 @@ enum qeth_ipa_arp_return_codes {
/* Helper functions */
#define IS_IPA_REPLY(cmd) ((cmd->hdr.initiator == IPA_CMD_INITIATOR_HOST) || \
(cmd->hdr.initiator == IPA_CMD_INITIATOR_OSA_REPLY))
-
+
/*****************************************************************************/
/* END OF IP Assist related definitions */
/*****************************************************************************/
@@ -490,7 +490,7 @@ extern unsigned char ULP_ENABLE[];
/* Layer 2 defintions */
#define QETH_PROT_LAYER2 0x08
#define QETH_PROT_TCPIP 0x03
-#define QETH_PROT_OSN2 0x0a
+#define QETH_PROT_OSN2 0x0a
#define QETH_ULP_ENABLE_PROT_TYPE(buffer) (buffer+0x50)
#define QETH_IPA_CMD_PROT_TYPE(buffer) (buffer+0x19)
diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c
index 360d782c7ad..66f2da14e6e 100644
--- a/drivers/s390/net/qeth_proc.c
+++ b/drivers/s390/net/qeth_proc.c
@@ -36,7 +36,7 @@ qeth_procfile_seq_start(struct seq_file *s, loff_t *offset)
{
struct device *dev = NULL;
loff_t nr = 0;
-
+
down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem);
if (*offset == 0)
return SEQ_START_TOKEN;
@@ -60,8 +60,8 @@ static void *
qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset)
{
struct device *prev, *next;
-
- if (it == SEQ_START_TOKEN)
+
+ if (it == SEQ_START_TOKEN)
prev = NULL;
else
prev = (struct device *) it;
@@ -180,7 +180,7 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it)
struct device *device;
struct qeth_card *card;
-
+
if (it == SEQ_START_TOKEN)
return 0;
diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c
index 882d419e416..185a9cfbcbd 100644
--- a/drivers/s390/net/qeth_sys.c
+++ b/drivers/s390/net/qeth_sys.c
@@ -785,7 +785,7 @@ qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, con
}
if (card->options.large_send == type)
return count;
- if ((rc = qeth_set_large_send(card, type)))
+ if ((rc = qeth_set_large_send(card, type)))
return rc;
return count;
}
@@ -1682,7 +1682,7 @@ qeth_create_device_attributes(struct device *dev)
if (card->info.type == QETH_CARD_TYPE_OSN)
return sysfs_create_group(&dev->kobj,
&qeth_osn_device_attr_group);
-
+
if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
return ret;
if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
@@ -1713,7 +1713,7 @@ qeth_remove_device_attributes(struct device *dev)
if (card->info.type == QETH_CARD_TYPE_OSN)
return sysfs_remove_group(&dev->kobj,
&qeth_osn_device_attr_group);
-
+
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
diff --git a/drivers/s390/net/qeth_tso.h b/drivers/s390/net/qeth_tso.h
index 1286ddea450..24ef40ca956 100644
--- a/drivers/s390/net/qeth_tso.h
+++ b/drivers/s390/net/qeth_tso.h
@@ -117,11 +117,11 @@ __qeth_fill_buffer_frag(struct sk_buff *skb, struct qdio_buffer *buffer,
int fragno;
unsigned long addr;
int element, cnt, dlen;
-
+
fragno = skb_shinfo(skb)->nr_frags;
element = *next_element_to_fill;
dlen = 0;
-
+
if (is_tso)
buffer->element[element].flags =
SBAL_FLAGS_MIDDLE_FRAG;
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 3bf46660351..f99e55308b3 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
+#include <linux/time.h>
#include <asm/lowcore.h>
@@ -362,12 +363,19 @@ s390_revalidate_registers(struct mci *mci)
return kill_task;
}
+#define MAX_IPD_COUNT 29
+#define MAX_IPD_TIME (5 * 60 * USEC_PER_SEC) /* 5 minutes */
+
/*
* machine check handler.
*/
void
s390_do_machine_check(struct pt_regs *regs)
{
+ static DEFINE_SPINLOCK(ipd_lock);
+ static unsigned long long last_ipd;
+ static int ipd_count;
+ unsigned long long tmp;
struct mci *mci;
struct mcck_struct *mcck;
int umode;
@@ -404,11 +412,27 @@ s390_do_machine_check(struct pt_regs *regs)
s390_handle_damage("processing backup machine "
"check with damage.");
}
- if (!umode)
- s390_handle_damage("processing backup machine "
- "check in kernel mode.");
- mcck->kill_task = 1;
- mcck->mcck_code = *(unsigned long long *) mci;
+
+ /*
+ * Nullifying exigent condition, therefore we might
+ * retry this instruction.
+ */
+
+ spin_lock(&ipd_lock);
+
+ tmp = get_clock();
+
+ if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME)
+ ipd_count++;
+ else
+ ipd_count = 1;
+
+ last_ipd = tmp;
+
+ if (ipd_count == MAX_IPD_COUNT)
+ s390_handle_damage("too many ipd retries.");
+
+ spin_unlock(&ipd_lock);
}
else {
/* Processing damage -> stopping machine */