From: Peter Tiedemann <ptiedem@xxxxxxxxxx>
Signed-off-by: Peter Tiedemann <ptiedem@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---
drivers/s390/net/ctcm_fsms.c | 46 ++++++++++++++++----------
drivers/s390/net/ctcm_main.c | 72 ++++++++++++++++++++++++++----------------
drivers/s390/net/ctcm_main.h | 6 ---
drivers/s390/net/ctcm_mpc.c | 15 +++++---
drivers/s390/net/ctcm_sysfs.c | 3 +
5 files changed, 86 insertions(+), 56 deletions(-)
Index: quilt-2.6/drivers/s390/net/ctcm_fsms.c
===================================================================
--- quilt-2.6.orig/drivers/s390/net/ctcm_fsms.c
+++ quilt-2.6/drivers/s390/net/ctcm_fsms.c
@@ -13,6 +13,9 @@
#undef DEBUGDATA
#undef DEBUGCCW
+#define KMSG_COMPONENT "ctcm"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -190,21 +193,22 @@ static void ctcmpc_chx_send_sweep(fsm_in
void ctcm_ccw_check_rc(struct channel *ch, int rc, char *msg)
{
CTCM_DBF_TEXT_(ERROR, CTC_DBF_ERROR,
- "%s(%s): %s: %04x\n",
- CTCM_FUNTAIL, ch->id, msg, rc);
+ "%s(%s): %s: %04x\n",
+ CTCM_FUNTAIL, ch->id, msg, rc);
switch (rc) {
case -EBUSY:
- ctcm_pr_warn("%s (%s): Busy !\n", ch->id, msg);
+ pr_info("%s: The communication peer is busy\n",
+ ch->id);
fsm_event(ch->fsm, CTC_EVENT_IO_EBUSY, ch);
break;
case -ENODEV:
- ctcm_pr_emerg("%s (%s): Invalid device called for IO\n",
- ch->id, msg);
+ pr_err("%s: The specified target device is not valid\n",
+ ch->id);
fsm_event(ch->fsm, CTC_EVENT_IO_ENODEV, ch);
break;
default:
- ctcm_pr_emerg("%s (%s): Unknown error in do_IO %04x\n",
- ch->id, msg, rc);
+ pr_err("An I/O operation resulted in error %04x\n",
+ rc);
fsm_event(ch->fsm, CTC_EVENT_IO_UNKNOWN, ch);
}
}
@@ -886,8 +890,15 @@ static void ctcm_chx_rxiniterr(fsm_insta
fsm_newstate(fi, CTC_STATE_RXERR);
fsm_event(priv->fsm, DEV_EVENT_RXDOWN, dev);
}
- } else
- ctcm_pr_warn("%s: Error during RX init handshake\n", dev->name);
+ } else {
+ CTCM_DBF_TEXT_(ERROR, CTC_DBF_ERROR,
+ "%s(%s): %s in %s", CTCM_FUNTAIL, ch->id,
+ ctc_ch_event_names[event], fsm_getstate_str(fi));
+
+ dev_warn(&dev->dev,
+ "Initialization failed with RX/TX init handshake "
+ "error %s\n", ctc_ch_event_names[event]);
+ }
}
/**
@@ -969,7 +980,9 @@ static void ctcm_chx_txiniterr(fsm_insta
"%s(%s): %s in %s", CTCM_FUNTAIL, ch->id,
ctc_ch_event_names[event], fsm_getstate_str(fi));
- ctcm_pr_warn("%s: Error during TX init handshake\n", dev->name);
+ dev_warn(&dev->dev,
+ "Initialization failed with RX/TX init handshake "
+ "error %s\n", ctc_ch_event_names[event]);
}
}
@@ -2101,14 +2114,11 @@ static void dev_action_restart(fsm_insta
CTCMY_DBF_DEV_NAME(TRACE, dev, "");
if (IS_MPC(priv)) {
- ctcm_pr_info("ctcm: %s Restarting Device and "
- "MPC Group in 5 seconds\n",
- dev->name);
restart_timer = CTCM_TIME_1_SEC;
} else {
- ctcm_pr_info("%s: Restarting\n", dev->name);
restart_timer = CTCM_TIME_5_SEC;
}
+ dev_info(&dev->dev, "Restarting device\n");
dev_action_stop(fi, event, arg);
fsm_event(priv->fsm, DEV_EVENT_STOP, dev);
@@ -2150,16 +2160,16 @@ static void dev_action_chup(fsm_instance
case DEV_STATE_STARTWAIT_RX:
if (event == DEV_EVENT_RXUP) {
fsm_newstate(fi, DEV_STATE_RUNNING);
- ctcm_pr_info("%s: connected with remote side\n",
- dev->name);
+ dev_info(&dev->dev,
+ "Connected with remote side\n");
ctcm_clear_busy(dev);
}
break;
case DEV_STATE_STARTWAIT_TX:
if (event == DEV_EVENT_TXUP) {
fsm_newstate(fi, DEV_STATE_RUNNING);
- ctcm_pr_info("%s: connected with remote side\n",
- dev->name);
+ dev_info(&dev->dev,
+ "Connected with remote side\n");
ctcm_clear_busy(dev);
}
break;
Index: quilt-2.6/drivers/s390/net/ctcm_main.c
===================================================================
--- quilt-2.6.orig/drivers/s390/net/ctcm_main.c
+++ quilt-2.6/drivers/s390/net/ctcm_main.c
@@ -21,6 +21,9 @@
#undef DEBUGDATA
#undef DEBUGCCW
+#define KMSG_COMPONENT "ctcm"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -281,14 +284,16 @@ static long ctcm_check_irb_error(struct
switch (PTR_ERR(irb)) {
case -EIO:
- ctcm_pr_warn("i/o-error on device %s\n", dev_name(&cdev->dev));
+ dev_err(&cdev->dev,
+ "An I/O-error occurred on the CTCM device\n");
break;
case -ETIMEDOUT:
- ctcm_pr_warn("timeout on device %s\n", dev_name(&cdev->dev));
+ dev_err(&cdev->dev,
+ "An adapter hardware operation timed out\n");
break;
default:
- ctcm_pr_warn("unknown error %ld on device %s\n",
- PTR_ERR(irb), dev_name(&cdev->dev));
+ dev_err(&cdev->dev,
+ "An error occurred on the adapter hardware\n");
}
return PTR_ERR(irb);
}
@@ -309,15 +314,17 @@ static inline void ccw_unit_check(struct
if (sense & SNS0_INTERVENTION_REQ) {
if (sense & 0x01) {
if (ch->sense_rc != 0x01) {
- ctcm_pr_debug("%s: Interface disc. or Sel. "
- "reset (remote)\n", ch->id);
+ pr_notice(
+ "%s: The communication peer has "
+ "disconnected\n", ch->id);
ch->sense_rc = 0x01;
}
fsm_event(ch->fsm, CTC_EVENT_UC_RCRESET, ch);
} else {
if (ch->sense_rc != SNS0_INTERVENTION_REQ) {
- ctcm_pr_debug("%s: System reset (remote)\n",
- ch->id);
+ pr_notice(
+ "%s: The remote operating system is "
+ "not available\n", ch->id);
ch->sense_rc = SNS0_INTERVENTION_REQ;
}
fsm_event(ch->fsm, CTC_EVENT_UC_RSRESET, ch);
@@ -1194,8 +1201,11 @@ static void ctcm_irq_handler(struct ccw_
/* Check for unsolicited interrupts. */
if (cgdev == NULL) {
- ctcm_pr_warn("ctcm: Got unsolicited irq: c-%02x d-%02x\n",
- cstat, dstat);
+ CTCM_DBF_TEXT_(TRACE, CTC_DBF_ERROR,
+ "%s(%s) unsolicited irq: c-%02x d-%02x\n",
+ CTCM_FUNTAIL, dev_name(&cdev->dev), cstat, dstat);
+ dev_warn(&cdev->dev,
+ "The adapter received a non-specific IRQ\n");
return;
}
@@ -1207,31 +1217,34 @@ static void ctcm_irq_handler(struct ccw_
else if (priv->channel[WRITE]->cdev == cdev)
ch = priv->channel[WRITE];
else {
- ctcm_pr_err("ctcm: Can't determine channel for interrupt, "
- "device %s\n", dev_name(&cdev->dev));
+ dev_err(&cdev->dev,
+ "%s: Internal error: Can't determine channel for "
+ "interrupt device %s\n",
+ __func__, dev_name(&cdev->dev));
+ /* Explain: inconsistent internal structures */
return;
}
dev = ch->netdev;
if (dev == NULL) {
- ctcm_pr_crit("ctcm: %s dev=NULL bus_id=%s, ch=0x%p\n",
- __func__, dev_name(&cdev->dev), ch);
+ dev_err(&cdev->dev,
+ "%s Internal error: net_device is NULL, ch = 0x%p\n",
+ __func__, ch);
+ /* Explain: inconsistent internal structures */
return;
}
- CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,
- "%s(%s): int. for %s: cstat=%02x dstat=%02x",
- CTCM_FUNTAIL, dev->name, ch->id, cstat, dstat);
-
/* Copy interruption response block. */
memcpy(ch->irb, irb, sizeof(struct irb));
+ /* Issue error message and return on subchannel error code */
if (irb->scsw.cmd.cstat) {
- /* Check for good subchannel return code, otherwise error message */
fsm_event(ch->fsm, CTC_EVENT_SC_UNKNOWN, ch);
- ctcm_pr_warn("%s: subchannel check for dev: %s - %02x %02x\n",
- dev->name, ch->id, irb->scsw.cmd.cstat,
- irb->scsw.cmd.dstat);
+ CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
+ "%s(%s): sub-ch check %s: cs=%02x ds=%02x",
+ CTCM_FUNTAIL, dev->name, ch->id, cstat, dstat);
+ dev_warn(&cdev->dev,
+ "A check occurred on the subchannel\n");
return;
}
@@ -1239,7 +1252,7 @@ static void ctcm_irq_handler(struct ccw_
if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
if ((irb->ecw[0] & ch->sense_rc) == 0)
/* print it only once */
- CTCM_DBF_TEXT_(TRACE, CTC_DBF_INFO,
+ CTCM_DBF_TEXT_(TRACE, CTC_DBF_WARN,
"%s(%s): sense=%02x, ds=%02x",
CTCM_FUNTAIL, ch->id, irb->ecw[0], dstat);
ccw_unit_check(ch, irb->ecw[0]);
@@ -1574,6 +1587,11 @@ static int ctcm_new_device(struct ccwgro
strlcpy(priv->fsm->name, dev->name, sizeof(priv->fsm->name));
+ dev_info(&dev->dev,
+ "setup OK : r/w = %s/%s, protocol : %d\n",
+ priv->channel[READ]->id,
+ priv->channel[WRITE]->id, priv->protocol);
+
CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO,
"setup(%s) OK : r/w = %s/%s, protocol : %d", dev->name,
priv->channel[READ]->id,
@@ -1687,7 +1705,7 @@ static void __exit ctcm_exit(void)
{
unregister_cu3088_discipline(&ctcm_group_driver);
ctcm_unregister_dbf_views();
- ctcm_pr_info("CTCM driver unloaded\n");
+ pr_info("CTCM driver unloaded\n");
}
/*
@@ -1695,7 +1713,7 @@ static void __exit ctcm_exit(void)
*/
static void print_banner(void)
{
- printk(KERN_INFO "CTCM driver initialized\n");
+ pr_info("CTCM driver initialized\n");
}
/**
@@ -1717,8 +1735,8 @@ static int __init ctcm_init(void)
ret = register_cu3088_discipline(&ctcm_group_driver);
if (ret) {
ctcm_unregister_dbf_views();
- ctcm_pr_crit("ctcm_init failed with register_cu3088_discipline "
- "(rc = %d)\n", ret);
+ pr_err("%s / register_cu3088_discipline failed, ret = %d\n",
+ __func__, ret);
return ret;
}
print_banner();
Index: quilt-2.6/drivers/s390/net/ctcm_main.h
===================================================================
--- quilt-2.6.orig/drivers/s390/net/ctcm_main.h
+++ quilt-2.6/drivers/s390/net/ctcm_main.h
@@ -41,12 +41,6 @@
#define LOG_FLAG_NOMEM 8
#define ctcm_pr_debug(fmt, arg...) printk(KERN_DEBUG fmt, ##arg)
-#define ctcm_pr_info(fmt, arg...) printk(KERN_INFO fmt, ##arg)
-#define ctcm_pr_notice(fmt, arg...) printk(KERN_NOTICE fmt, ##arg)
-#define ctcm_pr_warn(fmt, arg...) printk(KERN_WARNING fmt, ##arg)
-#define ctcm_pr_emerg(fmt, arg...) printk(KERN_EMERG fmt, ##arg)
-#define ctcm_pr_err(fmt, arg...) printk(KERN_ERR fmt, ##arg)
-#define ctcm_pr_crit(fmt, arg...) printk(KERN_CRIT fmt, ##arg)
#define CTCM_PR_DEBUG(fmt, arg...) \
do { \
Index: quilt-2.6/drivers/s390/net/ctcm_mpc.c
===================================================================
--- quilt-2.6.orig/drivers/s390/net/ctcm_mpc.c
+++ quilt-2.6/drivers/s390/net/ctcm_mpc.c
@@ -19,6 +19,9 @@
#undef DEBUGDATA
#undef DEBUGCCW
+#define KMSG_COMPONENT "ctcm"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -386,7 +389,7 @@ int ctc_mpc_alloc_channel(int port_num,
if (grp->allocchan_callback_retries < 4) {
if (grp->allochanfunc)
grp->allochanfunc(grp->port_num,
- grp->group_max_buflen);
+ grp->group_max_buflen);
} else {
/* there are problems...bail out */
/* there may be a state mismatch so restart */
@@ -1232,8 +1235,9 @@ done:
dev_kfree_skb_any(pskb);
if (sendrc == NET_RX_DROP) {
- printk(KERN_WARNING "%s %s() NETWORK BACKLOG EXCEEDED"
- " - PACKET DROPPED\n", dev->name, __func__);
+ dev_warn(&dev->dev,
+ "The network backlog for %s is exceeded, "
+ "package dropped\n", __func__);
fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);
}
@@ -1670,10 +1674,11 @@ static int mpc_validate_xid(struct mpcg_
CTCM_FUNTAIL, ch->id);
}
}
-
done:
if (rc) {
- ctcm_pr_info("ctcmpc : %s() failed\n", __func__);
+ dev_warn(&dev->dev,
+ "The XID used in the MPC protocol is not valid, "
+ "rc = %d\n", rc);
priv->xid->xid2_flag2 = 0x40;
grp->saved_xid2->xid2_flag2 = 0x40;
}
Index: quilt-2.6/drivers/s390/net/ctcm_sysfs.c
===================================================================
--- quilt-2.6.orig/drivers/s390/net/ctcm_sysfs.c
+++ quilt-2.6/drivers/s390/net/ctcm_sysfs.c
@@ -10,6 +10,9 @@
#undef DEBUGDATA
#undef DEBUGCCW
+#define KMSG_COMPONENT "ctcm"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/sysfs.h>
#include "ctcm_main.h"
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
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