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-rw-r--r--drivers/s390/net/claw.c431
1 files changed, 233 insertions, 198 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 3cb387f45b6..6669adf355b 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -60,6 +60,9 @@
* 1.25 Added Packing support
* 1.5
*/
+
+#define KMSG_COMPONENT "claw"
+
#include <asm/ccwdev.h>
#include <asm/ccwgroup.h>
#include <asm/debug.h>
@@ -94,7 +97,7 @@
CLAW uses the s390dbf file system see claw_trace and claw_setup
*/
-
+static char version[] __initdata = "CLAW driver";
static char debug_buffer[255];
/**
* Debug Facility Stuff
@@ -206,20 +209,30 @@ static struct net_device_stats *claw_stats(struct net_device *dev);
static int pages_to_order_of_mag(int num_of_pages);
static struct sk_buff *claw_pack_skb(struct claw_privbk *privptr);
/* sysfs Functions */
-static ssize_t claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t claw_hname_write(struct device *dev, struct device_attribute *attr,
+static ssize_t claw_hname_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t claw_hname_write(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count);
-static ssize_t claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t claw_adname_write(struct device *dev, struct device_attribute *attr,
+static ssize_t claw_adname_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t claw_adname_write(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count);
-static ssize_t claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t claw_apname_write(struct device *dev, struct device_attribute *attr,
+static ssize_t claw_apname_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t claw_apname_write(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count);
-static ssize_t claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t claw_wbuff_write(struct device *dev, struct device_attribute *attr,
+static ssize_t claw_wbuff_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t claw_wbuff_write(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count);
-static ssize_t claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf);
-static ssize_t claw_rbuff_write(struct device *dev, struct device_attribute *attr,
+static ssize_t claw_rbuff_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+static ssize_t claw_rbuff_write(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count);
static int claw_add_files(struct device *dev);
static void claw_remove_files(struct device *dev);
@@ -298,8 +311,8 @@ claw_probe(struct ccwgroup_device *cgdev)
if (rc) {
probe_error(cgdev);
put_device(&cgdev->dev);
- printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
- dev_name(&cgdev->cdev[0]->dev), __func__, __LINE__);
+ dev_err(&cgdev->dev, "Creating the /proc files for a new"
+ " CLAW device failed\n");
CLAW_DBF_TEXT_(2, setup, "probex%d", rc);
return rc;
}
@@ -496,7 +509,8 @@ claw_open(struct net_device *dev)
~(DEV_STAT_CHN_END | DEV_STAT_DEV_END)) != 0x00) ||
(((privptr->channel[READ].flag |
privptr->channel[WRITE].flag) & CLAW_TIMER) != 0x00)) {
- printk(KERN_INFO "%s: remote side is not ready\n", dev->name);
+ dev_info(&privptr->channel[READ].cdev->dev,
+ "%s: remote side is not ready\n", dev->name);
CLAW_DBF_TEXT(2, trace, "notrdy");
for ( i = 0; i < 2; i++) {
@@ -582,10 +596,9 @@ claw_irq_handler(struct ccw_device *cdev,
CLAW_DBF_TEXT(4, trace, "clawirq");
/* Bypass all 'unsolicited interrupts' */
if (!cdev->dev.driver_data) {
- printk(KERN_WARNING "claw: unsolicited interrupt for device:"
- "%s received c-%02x d-%02x\n",
- dev_name(&cdev->dev), irb->scsw.cmd.cstat,
- irb->scsw.cmd.dstat);
+ dev_warn(&cdev->dev, "An uninitialized CLAW device received an"
+ " IRQ, c-%02x d-%02x\n",
+ irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
CLAW_DBF_TEXT(2, trace, "badirq");
return;
}
@@ -597,8 +610,7 @@ claw_irq_handler(struct ccw_device *cdev,
else if (privptr->channel[WRITE].cdev == cdev)
p_ch = &privptr->channel[WRITE];
else {
- printk(KERN_WARNING "claw: Can't determine channel for "
- "interrupt, device %s\n", dev_name(&cdev->dev));
+ dev_warn(&cdev->dev, "The device is not a CLAW device\n");
CLAW_DBF_TEXT(2, trace, "badchan");
return;
}
@@ -612,7 +624,8 @@ claw_irq_handler(struct ccw_device *cdev,
/* Check for good subchannel return code, otherwise info message */
if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) {
- printk(KERN_INFO "%s: subchannel check for device: %04x -"
+ dev_info(&cdev->dev,
+ "%s: subchannel check for device: %04x -"
" Sch Stat %02x Dev Stat %02x CPA - %04x\n",
dev->name, p_ch->devno,
irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
@@ -651,7 +664,7 @@ claw_irq_handler(struct ccw_device *cdev,
wake_up(&p_ch->wait); /* wake claw_open (READ)*/
} else if (p_ch->flag == CLAW_WRITE) {
p_ch->claw_state = CLAW_START_WRITE;
- /* send SYSTEM_VALIDATE */
+ /* send SYSTEM_VALIDATE */
claw_strt_read(dev, LOCK_NO);
claw_send_control(dev,
SYSTEM_VALIDATE_REQUEST,
@@ -659,10 +672,9 @@ claw_irq_handler(struct ccw_device *cdev,
p_env->host_name,
p_env->adapter_name);
} else {
- printk(KERN_WARNING "claw: unsolicited "
- "interrupt for device:"
- "%s received c-%02x d-%02x\n",
- dev_name(&cdev->dev),
+ dev_warn(&cdev->dev, "The CLAW device received"
+ " an unexpected IRQ, "
+ "c-%02x d-%02x\n",
irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat);
return;
@@ -677,8 +689,8 @@ claw_irq_handler(struct ccw_device *cdev,
(p_ch->irb->ecw[0] & 0x40) == 0x40 ||
(p_ch->irb->ecw[0]) == 0) {
privptr->stats.rx_errors++;
- printk(KERN_INFO "%s: Restart is "
- "required after remote "
+ dev_info(&cdev->dev,
+ "%s: Restart is required after remote "
"side recovers \n",
dev->name);
}
@@ -713,11 +725,13 @@ claw_irq_handler(struct ccw_device *cdev,
return;
case CLAW_START_WRITE:
if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
- printk(KERN_INFO "%s: Unit Check Occured in "
+ dev_info(&cdev->dev,
+ "%s: Unit Check Occured in "
"write channel\n", dev->name);
clear_bit(0, (void *)&p_ch->IO_active);
if (p_ch->irb->ecw[0] & 0x80) {
- printk(KERN_INFO "%s: Resetting Event "
+ dev_info(&cdev->dev,
+ "%s: Resetting Event "
"occurred:\n", dev->name);
init_timer(&p_ch->timer);
p_ch->timer.function =
@@ -725,7 +739,8 @@ claw_irq_handler(struct ccw_device *cdev,
p_ch->timer.data = (unsigned long)p_ch;
p_ch->timer.expires = jiffies + 10*HZ;
add_timer(&p_ch->timer);
- printk(KERN_INFO "%s: write connection "
+ dev_info(&cdev->dev,
+ "%s: write connection "
"restarting\n", dev->name);
}
CLAW_DBF_TEXT(4, trace, "rstrtwrt");
@@ -733,9 +748,10 @@ claw_irq_handler(struct ccw_device *cdev,
}
if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
clear_bit(0, (void *)&p_ch->IO_active);
- printk(KERN_INFO "%s: Unit Exception "
- "Occured in write channel\n",
- dev->name);
+ dev_info(&cdev->dev,
+ "%s: Unit Exception "
+ "occurred in write channel\n",
+ dev->name);
}
if (!((p_ch->irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
(p_ch->irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
@@ -757,8 +773,9 @@ claw_irq_handler(struct ccw_device *cdev,
CLAW_DBF_TEXT(4, trace, "StWtExit");
return;
default:
- printk(KERN_WARNING "%s: wrong selection code - irq "
- "state=%d\n", dev->name, p_ch->claw_state);
+ dev_warn(&cdev->dev,
+ "The CLAW device for %s received an unexpected IRQ\n",
+ dev->name);
CLAW_DBF_TEXT(2, trace, "badIRQ");
return;
}
@@ -910,8 +927,10 @@ claw_release(struct net_device *dev)
if (((privptr->channel[READ].last_dstat |
privptr->channel[WRITE].last_dstat) &
~(DEV_STAT_CHN_END | DEV_STAT_DEV_END)) != 0x00) {
- printk(KERN_WARNING "%s: channel problems during close - "
- "read: %02x - write: %02x\n",
+ dev_warn(&privptr->channel[READ].cdev->dev,
+ "Deactivating %s completed with incorrect"
+ " subchannel status "
+ "(read %02x, write %02x)\n",
dev->name,
privptr->channel[READ].last_dstat,
privptr->channel[WRITE].last_dstat);
@@ -1076,8 +1095,8 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
}
if ( privptr-> p_read_active_first ==NULL ) {
- privptr-> p_read_active_first= p_first; /* set new first */
- privptr-> p_read_active_last = p_last; /* set new last */
+ privptr->p_read_active_first = p_first; /* set new first */
+ privptr->p_read_active_last = p_last; /* set new last */
}
else {
@@ -1113,7 +1132,7 @@ add_claw_reads(struct net_device *dev, struct ccwbk* p_first,
privptr->p_read_active_last->r_TIC_2.cda=
(__u32)__pa(&p_first->read);
}
- /* chain in new set of blocks */
+ /* chain in new set of blocks */
privptr->p_read_active_last->next = p_first;
privptr->p_read_active_last=p_last;
} /* end of if ( privptr-> p_read_active_first ==NULL) */
@@ -1135,21 +1154,18 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
case -EBUSY: /* BUSY is a transient state no action needed */
break;
case -ENODEV:
- printk(KERN_EMERG "%s: Missing device called "
- "for IO ENODEV\n", dev_name(&cdev->dev));
- break;
- case -EIO:
- printk(KERN_EMERG "%s: Status pending... EIO \n",
- dev_name(&cdev->dev));
+ dev_err(&cdev->dev, "The remote channel adapter is not"
+ " available\n");
break;
case -EINVAL:
- printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n",
- dev_name(&cdev->dev));
+ dev_err(&cdev->dev,
+ "The status of the remote channel adapter"
+ " is not valid\n");
break;
default:
- printk(KERN_EMERG "%s: Unknown error in "
- "Do_IO %d\n", dev_name(&cdev->dev),
- return_code);
+ dev_err(&cdev->dev, "The common device layer"
+ " returned error code %d\n",
+ return_code);
}
}
CLAW_DBF_TEXT(4, trace, "ccwret");
@@ -1163,40 +1179,41 @@ static void
ccw_check_unit_check(struct chbk * p_ch, unsigned char sense )
{
struct net_device *ndev = p_ch->ndev;
+ struct device *dev = &p_ch->cdev->dev;
CLAW_DBF_TEXT(4, trace, "unitchek");
- printk(KERN_INFO "%s: Unit Check with sense byte:0x%04x\n",
- ndev->name, sense);
+ dev_warn(dev, "The communication peer of %s disconnected\n",
+ ndev->name);
if (sense & 0x40) {
if (sense & 0x01) {
- printk(KERN_WARNING "%s: Interface disconnect or "
- "Selective reset "
- "occurred (remote side)\n", ndev->name);
- }
- else {
- printk(KERN_WARNING "%s: System reset occured"
- " (remote side)\n", ndev->name);
+ dev_warn(dev, "The remote channel adapter for"
+ " %s has been reset\n",
+ ndev->name);
}
}
else if (sense & 0x20) {
if (sense & 0x04) {
- printk(KERN_WARNING "%s: Data-streaming "
- "timeout)\n", ndev->name);
+ dev_warn(dev, "A data streaming timeout occurred"
+ " for %s\n",
+ ndev->name);
}
else {
- printk(KERN_WARNING "%s: Data-transfer parity"
- " error\n", ndev->name);
+ dev_warn(dev, "A data transfer parity error occurred"
+ " for %s\n",
+ ndev->name);
}
}
else if (sense & 0x10) {
if (sense & 0x20) {
- printk(KERN_WARNING "%s: Hardware malfunction "
- "(remote side)\n", ndev->name);
+ dev_warn(dev, "The remote channel adapter for %s"
+ " is faulty\n",
+ ndev->name);
}
else {
- printk(KERN_WARNING "%s: read-data parity error "
- "(remote side)\n", ndev->name);
+ dev_warn(dev, "A read data parity error occurred"
+ " for %s\n",
+ ndev->name);
}
}
@@ -1375,7 +1392,7 @@ claw_hw_tx(struct sk_buff *skb, struct net_device *dev, long linkid)
*/
if (p_first_ccw!=NULL) {
- /* setup ending ccw sequence for this segment */
+ /* setup ending ccw sequence for this segment */
pEnd=privptr->p_end_ccw;
if (pEnd->write1) {
pEnd->write1=0x00; /* second end ccw is now active */
@@ -1697,10 +1714,11 @@ init_ccw_bk(struct net_device *dev)
p_buf-> w_TIC_1.flags = 0;
p_buf-> w_TIC_1.count = 0;
- if (((unsigned long)p_buff+privptr->p_env->write_size) >=
+ if (((unsigned long)p_buff +
+ privptr->p_env->write_size) >=
((unsigned long)(p_buff+2*
- (privptr->p_env->write_size) -1) & PAGE_MASK)) {
- p_buff= p_buff+privptr->p_env->write_size;
+ (privptr->p_env->write_size) - 1) & PAGE_MASK)) {
+ p_buff = p_buff+privptr->p_env->write_size;
}
}
}
@@ -1840,15 +1858,16 @@ init_ccw_bk(struct net_device *dev)
p_buf->header.opcode=0xff;
p_buf->header.flag=CLAW_PENDING;
- if (((unsigned long)p_buff+privptr->p_env->read_size) >=
- ((unsigned long)(p_buff+2*(privptr->p_env->read_size) -1)
- & PAGE_MASK) ) {
+ if (((unsigned long)p_buff+privptr->p_env->read_size) >=
+ ((unsigned long)(p_buff+2*(privptr->p_env->read_size)
+ -1)
+ & PAGE_MASK)) {
p_buff= p_buff+privptr->p_env->read_size;
}
else {
p_buff=
(void *)((unsigned long)
- (p_buff+2*(privptr->p_env->read_size) -1)
+ (p_buff+2*(privptr->p_env->read_size)-1)
& PAGE_MASK) ;
}
} /* for read_buffers */
@@ -1856,24 +1875,28 @@ init_ccw_bk(struct net_device *dev)
else { /* read Size >= PAGE_SIZE */
for (i=0 ; i< privptr->p_env->read_buffers ; i++) {
p_buff = (void *)__get_free_pages(__GFP_DMA,
- (int)pages_to_order_of_mag(privptr->p_buff_pages_perread) );
+ (int)pages_to_order_of_mag(
+ privptr->p_buff_pages_perread));
if (p_buff==NULL) {
free_pages((unsigned long)privptr->p_buff_ccw,
- (int)pages_to_order_of_mag(privptr->p_buff_ccw_num));
+ (int)pages_to_order_of_mag(privptr->
+ p_buff_ccw_num));
/* free the write pages */
p_buf=privptr->p_buff_write;
while (p_buf!=NULL) {
- free_pages((unsigned long)p_buf->p_buffer,
- (int)pages_to_order_of_mag(
- privptr->p_buff_pages_perwrite ));
+ free_pages(
+ (unsigned long)p_buf->p_buffer,
+ (int)pages_to_order_of_mag(
+ privptr->p_buff_pages_perwrite));
p_buf=p_buf->next;
}
/* free any read pages already alloc */
p_buf=privptr->p_buff_read;
while (p_buf!=NULL) {
- free_pages((unsigned long)p_buf->p_buffer,
- (int)pages_to_order_of_mag(
- privptr->p_buff_pages_perread ));
+ free_pages(
+ (unsigned long)p_buf->p_buffer,
+ (int)pages_to_order_of_mag(
+ privptr->p_buff_pages_perread));
p_buf=p_buf->next;
}
privptr->p_buff_ccw=NULL;
@@ -2003,7 +2026,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
tdev = &privptr->channel[READ].cdev->dev;
memcpy( &temp_host_name, p_env->host_name, 8);
memcpy( &temp_ws_name, p_env->adapter_name , 8);
- printk(KERN_INFO "%s: CLAW device %.8s: "
+ dev_info(tdev, "%s: CLAW device %.8s: "
"Received Control Packet\n",
dev->name, temp_ws_name);
if (privptr->release_pend==1) {
@@ -2022,32 +2045,30 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
if (p_ctlbk->version != CLAW_VERSION_ID) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_WRONG_VERSION);
- printk("%s: %d is wrong version id. "
- "Expected %d\n",
- dev->name, p_ctlbk->version,
- CLAW_VERSION_ID);
+ dev_warn(tdev, "The communication peer of %s"
+ " uses an incorrect API version %d\n",
+ dev->name, p_ctlbk->version);
}
p_sysval = (struct sysval *)&(p_ctlbk->data);
- printk("%s: Recv Sys Validate Request: "
- "Vers=%d,link_id=%d,Corr=%d,WS name=%."
- "8s,Host name=%.8s\n",
- dev->name, p_ctlbk->version,
- p_ctlbk->linkid,
- p_ctlbk->correlator,
- p_sysval->WS_name,
- p_sysval->host_name);
+ dev_info(tdev, "%s: Recv Sys Validate Request: "
+ "Vers=%d,link_id=%d,Corr=%d,WS name=%.8s,"
+ "Host name=%.8s\n",
+ dev->name, p_ctlbk->version,
+ p_ctlbk->linkid,
+ p_ctlbk->correlator,
+ p_sysval->WS_name,
+ p_sysval->host_name);
if (memcmp(temp_host_name, p_sysval->host_name, 8)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_NAME_MISMATCH);
CLAW_DBF_TEXT(2, setup, "HSTBAD");
CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->host_name);
CLAW_DBF_TEXT_(2, setup, "%s", temp_host_name);
- printk(KERN_INFO "%s: Host name mismatch\n",
- dev->name);
- printk(KERN_INFO "%s: Received :%s: "
- "expected :%s: \n",
- dev->name,
+ dev_warn(tdev,
+ "Host name %s for %s does not match the"
+ " remote adapter name %s\n",
p_sysval->host_name,
+ dev->name,
temp_host_name);
}
if (memcmp(temp_ws_name, p_sysval->WS_name, 8)) {
@@ -2056,35 +2077,38 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
CLAW_DBF_TEXT(2, setup, "WSNBAD");
CLAW_DBF_TEXT_(2, setup, "%s", p_sysval->WS_name);
CLAW_DBF_TEXT_(2, setup, "%s", temp_ws_name);
- printk(KERN_INFO "%s: WS name mismatch\n",
- dev->name);
- printk(KERN_INFO "%s: Received :%s: "
- "expected :%s: \n",
- dev->name,
- p_sysval->WS_name,
- temp_ws_name);
+ dev_warn(tdev, "Adapter name %s for %s does not match"
+ " the remote host name %s\n",
+ p_sysval->WS_name,
+ dev->name,
+ temp_ws_name);
}
if ((p_sysval->write_frame_size < p_env->write_size) &&
(p_env->packing == 0)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_HOST_RCV_TOO_SMALL);
- printk(KERN_INFO "%s: host write size is too "
- "small\n", dev->name);
+ dev_warn(tdev,
+ "The local write buffer is smaller than the"
+ " remote read buffer\n");
CLAW_DBF_TEXT(2, setup, "wrtszbad");
}
if ((p_sysval->read_frame_size < p_env->read_size) &&
(p_env->packing == 0)) {
claw_snd_sys_validate_rsp(dev, p_ctlbk,
CLAW_RC_HOST_RCV_TOO_SMALL);
- printk(KERN_INFO "%s: host read size is too "
- "small\n", dev->name);
+ dev_warn(tdev,
+ "The local read buffer is smaller than the"
+ " remote write buffer\n");
CLAW_DBF_TEXT(2, setup, "rdsizbad");
}
claw_snd_sys_validate_rsp(dev, p_ctlbk, 0);
- printk(KERN_INFO "%s: CLAW device %.8s: System validate "
- "completed.\n", dev->name, temp_ws_name);
- printk("%s: sys Validate Rsize:%d Wsize:%d\n", dev->name,
- p_sysval->read_frame_size, p_sysval->write_frame_size);
+ dev_info(tdev,
+ "CLAW device %.8s: System validate"
+ " completed.\n", temp_ws_name);
+ dev_info(tdev,
+ "%s: sys Validate Rsize:%d Wsize:%d\n",
+ dev->name, p_sysval->read_frame_size,
+ p_sysval->write_frame_size);
privptr->system_validate_comp = 1;
if (strncmp(p_env->api_type, WS_APPL_NAME_PACKED, 6) == 0)
p_env->packing = PACKING_ASK;
@@ -2092,8 +2116,10 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
break;
case SYSTEM_VALIDATE_RESPONSE:
p_sysval = (struct sysval *)&(p_ctlbk->data);
- printk("%s: Recv Sys Validate Resp: Vers=%d,Corr=%d,RC=%d,"
- "WS name=%.8s,Host name=%.8s\n",
+ dev_info(tdev,
+ "Settings for %s validated (version=%d, "
+ "remote device=%d, rc=%d, adapter name=%.8s, "
+ "host name=%.8s)\n",
dev->name,
p_ctlbk->version,
p_ctlbk->correlator,
@@ -2102,41 +2128,39 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_sysval->host_name);
switch (p_ctlbk->rc) {
case 0:
- printk(KERN_INFO "%s: CLAW device "
- "%.8s: System validate "
- "completed.\n",
- dev->name, temp_ws_name);
+ dev_info(tdev, "%s: CLAW device "
+ "%.8s: System validate completed.\n",
+ dev->name, temp_ws_name);
if (privptr->system_validate_comp == 0)
claw_strt_conn_req(dev);
privptr->system_validate_comp = 1;
break;
case CLAW_RC_NAME_MISMATCH:
- printk(KERN_INFO "%s: Sys Validate "
- "Resp : Host, WS name is "
- "mismatch\n",
- dev->name);
+ dev_warn(tdev, "Validating %s failed because of"
+ " a host or adapter name mismatch\n",
+ dev->name);
break;
case CLAW_RC_WRONG_VERSION:
- printk(KERN_INFO "%s: Sys Validate "
- "Resp : Wrong version\n",
+ dev_warn(tdev, "Validating %s failed because of a"
+ " version conflict\n",
dev->name);
break;
case CLAW_RC_HOST_RCV_TOO_SMALL:
- printk(KERN_INFO "%s: Sys Validate "
- "Resp : bad frame size\n",
+ dev_warn(tdev, "Validating %s failed because of a"
+ " frame size conflict\n",
dev->name);
break;
default:
- printk(KERN_INFO "%s: Sys Validate "
- "error code=%d \n",
- dev->name, p_ctlbk->rc);
+ dev_warn(tdev, "The communication peer of %s rejected"
+ " the connection\n",
+ dev->name);
break;
}
break;
case CONNECTION_REQUEST:
p_connect = (struct conncmd *)&(p_ctlbk->data);
- printk(KERN_INFO "%s: Recv Conn Req: Vers=%d,link_id=%d,"
+ dev_info(tdev, "%s: Recv Conn Req: Vers=%d,link_id=%d,"
"Corr=%d,HOST appl=%.8s,WS appl=%.8s\n",
dev->name,
p_ctlbk->version,
@@ -2146,21 +2170,21 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_connect->WS_name);
if (privptr->active_link_ID != 0) {
claw_snd_disc(dev, p_ctlbk);
- printk(KERN_INFO "%s: Conn Req error : "
- "already logical link is active \n",
+ dev_info(tdev, "%s rejected a connection request"
+ " because it is already active\n",
dev->name);
}
if (p_ctlbk->linkid != 1) {
claw_snd_disc(dev, p_ctlbk);
- printk(KERN_INFO "%s: Conn Req error : "
- "req logical link id is not 1\n",
+ dev_info(tdev, "%s rejected a request to open multiple"
+ " connections\n",
dev->name);
}
rc = find_link(dev, p_connect->host_name, p_connect->WS_name);
if (rc != 0) {
claw_snd_disc(dev, p_ctlbk);
- printk(KERN_INFO "%s: Conn Resp error: "
- "req appl name does not match\n",
+ dev_info(tdev, "%s rejected a connection request"
+ " because of a type mismatch\n",
dev->name);
}
claw_send_control(dev,
@@ -2172,7 +2196,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_env->packing = PACK_SEND;
claw_snd_conn_req(dev, 0);
}
- printk(KERN_INFO "%s: CLAW device %.8s: Connection "
+ dev_info(tdev, "%s: CLAW device %.8s: Connection "
"completed link_id=%d.\n",
dev->name, temp_ws_name,
p_ctlbk->linkid);
@@ -2182,7 +2206,7 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
break;
case CONNECTION_RESPONSE:
p_connect = (struct conncmd *)&(p_ctlbk->data);
- printk(KERN_INFO "%s: Revc Conn Resp: Vers=%d,link_id=%d,"
+ dev_info(tdev, "%s: Recv Conn Resp: Vers=%d,link_id=%d,"
"Corr=%d,RC=%d,Host appl=%.8s, WS appl=%.8s\n",
dev->name,
p_ctlbk->version,
@@ -2193,16 +2217,18 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
p_connect->WS_name);
if (p_ctlbk->rc != 0) {
- printk(KERN_INFO "%s: Conn Resp error: rc=%d \n",
- dev->name, p_ctlbk->rc);
+ dev_warn(tdev, "The communication peer of %s rejected"
+ " a connection request\n",
+ dev->name);
return 1;
}
rc = find_link(dev,
p_connect->host_name, p_connect->WS_name);
if (rc != 0) {
claw_snd_disc(dev, p_ctlbk);
- printk(KERN_INFO "%s: Conn Resp error: "
- "req appl name does not match\n",
+ dev_warn(tdev, "The communication peer of %s"
+ " rejected a connection "
+ "request because of a type mismatch\n",
dev->name);
}
/* should be until CONNECTION_CONFIRM */
@@ -2210,7 +2236,8 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
break;
case CONNECTION_CONFIRM:
p_connect = (struct conncmd *)&(p_ctlbk->data);
- printk(KERN_INFO "%s: Recv Conn Confirm:Vers=%d,link_id=%d,"
+ dev_info(tdev,
+ "%s: Recv Conn Confirm:Vers=%d,link_id=%d,"
"Corr=%d,Host appl=%.8s,WS appl=%.8s\n",
dev->name,
p_ctlbk->version,
@@ -2221,21 +2248,21 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
if (p_ctlbk->linkid == -(privptr->active_link_ID)) {
privptr->active_link_ID = p_ctlbk->linkid;
if (p_env->packing > PACKING_ASK) {
- printk(KERN_INFO "%s: Confirmed Now packing\n",
- dev->name);
+ dev_info(tdev,
+ "%s: Confirmed Now packing\n", dev->name);
p_env->packing = DO_PACKED;
}
p_ch = &privptr->channel[WRITE];
wake_up(&p_ch->wait);
} else {
- printk(KERN_INFO "%s: Conn confirm: "
- "unexpected linkid=%d \n",
+ dev_warn(tdev, "Activating %s failed because of"
+ " an incorrect link ID=%d\n",
dev->name, p_ctlbk->linkid);
claw_snd_disc(dev, p_ctlbk);
}
break;
case DISCONNECT:
- printk(KERN_INFO "%s: Disconnect: "
+ dev_info(tdev, "%s: Disconnect: "
"Vers=%d,link_id=%d,Corr=%d\n",
dev->name, p_ctlbk->version,
p_ctlbk->linkid, p_ctlbk->correlator);
@@ -2247,12 +2274,13 @@ claw_process_control( struct net_device *dev, struct ccwbk * p_ccw)
privptr->active_link_ID = 0;
break;
case CLAW_ERROR:
- printk(KERN_INFO "%s: CLAW ERROR detected\n",
+ dev_warn(tdev, "The communication peer of %s failed\n",
dev->name);
break;
default:
- printk(KERN_INFO "%s: Unexpected command code=%d \n",
- dev->name, p_ctlbk->command);
+ dev_warn(tdev, "The communication peer of %s sent"
+ " an unknown command code\n",
+ dev->name);
break;
}
@@ -2294,12 +2322,14 @@ claw_send_control(struct net_device *dev, __u8 type, __u8 link,
memcpy(&p_sysval->host_name, local_name, 8);
memcpy(&p_sysval->WS_name, remote_name, 8);
if (privptr->p_env->packing > 0) {
- p_sysval->read_frame_size=DEF_PACK_BUFSIZE;
- p_sysval->write_frame_size=DEF_PACK_BUFSIZE;
+ p_sysval->read_frame_size = DEF_PACK_BUFSIZE;
+ p_sysval->write_frame_size = DEF_PACK_BUFSIZE;
} else {
/* how big is the biggest group of packets */
- p_sysval->read_frame_size=privptr->p_env->read_size;
- p_sysval->write_frame_size=privptr->p_env->write_size;
+ p_sysval->read_frame_size =
+ privptr->p_env->read_size;
+ p_sysval->write_frame_size =
+ privptr->p_env->write_size;
}
memset(&p_sysval->reserved, 0x00, 4);
break;
@@ -2511,8 +2541,10 @@ unpack_read(struct net_device *dev )
mtc_this_frm=1;
if (p_this_ccw->header.length!=
privptr->p_env->read_size ) {
- printk(KERN_INFO " %s: Invalid frame detected "
- "length is %02x\n" ,
+ dev_warn(p_dev,
+ "The communication peer of %s"
+ " sent a faulty"
+ " frame of length %02x\n",
dev->name, p_this_ccw->header.length);
}
}
@@ -2544,7 +2576,7 @@ unpack_next:
goto NextFrame;
p_packd = p_this_ccw->p_buffer+pack_off;
p_packh = (struct clawph *) p_packd;
- if ((p_packh->len == 0) || /* all done with this frame? */
+ if ((p_packh->len == 0) || /* done with this frame? */
(p_packh->flag != 0))
goto NextFrame;
bytes_to_mov = p_packh->len;
@@ -2594,9 +2626,9 @@ unpack_next:
netif_rx(skb);
}
else {
+ dev_info(p_dev, "Allocating a buffer for"
+ " incoming data failed\n");
privptr->stats.rx_dropped++;
- printk(KERN_WARNING "%s: %s() low on memory\n",
- dev->name,__func__);
}
privptr->mtc_offset=0;
privptr->mtc_logical_link=-1;
@@ -2720,8 +2752,8 @@ claw_strt_out_IO( struct net_device *dev )
if (test_and_set_bit(0, (void *)&p_ch->IO_active) == 0) {
parm = (unsigned long) p_ch;
CLAW_DBF_TEXT(2, trace, "StWrtIO");
- rc = ccw_device_start (p_ch->cdev,&p_first_ccw->write, parm,
- 0xff, 0);
+ rc = ccw_device_start(p_ch->cdev, &p_first_ccw->write, parm,
+ 0xff, 0);
if (rc != 0) {
ccw_check_return_code(p_ch->cdev, rc);
}
@@ -2884,8 +2916,8 @@ claw_new_device(struct ccwgroup_device *cgdev)
int ret;
struct ccw_dev_id dev_id;
- printk(KERN_INFO "claw: add for %s\n",
- dev_name(&cgdev->cdev[READ]->dev));
+ dev_info(&cgdev->dev, "add for %s\n",
+ dev_name(&cgdev->cdev[READ]->dev));
CLAW_DBF_TEXT(2, setup, "new_dev");
privptr = cgdev->dev.driver_data;
cgdev->cdev[READ]->dev.driver_data = privptr;
@@ -2901,29 +2933,28 @@ claw_new_device(struct ccwgroup_device *cgdev)
if (ret == 0)
ret = add_channel(cgdev->cdev[1],1,privptr);
if (ret != 0) {
- printk(KERN_WARNING
- "add channel failed with ret = %d\n", ret);
+ dev_warn(&cgdev->dev, "Creating a CLAW group device"
+ " failed with error code %d\n", ret);
goto out;
}
ret = ccw_device_set_online(cgdev->cdev[READ]);
if (ret != 0) {
- printk(KERN_WARNING
- "claw: ccw_device_set_online %s READ failed "
- "with ret = %d\n", dev_name(&cgdev->cdev[READ]->dev),
- ret);
+ dev_warn(&cgdev->dev,
+ "Setting the read subchannel online"
+ " failed with error code %d\n", ret);
goto out;
}
ret = ccw_device_set_online(cgdev->cdev[WRITE]);
if (ret != 0) {
- printk(KERN_WARNING
- "claw: ccw_device_set_online %s WRITE failed "
- "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev),
- ret);
+ dev_warn(&cgdev->dev,
+ "Setting the write subchannel online "
+ "failed with error code %d\n", ret);
goto out;
}
dev = alloc_netdev(0,"claw%d",claw_init_netdevice);
if (!dev) {
- printk(KERN_WARNING "%s:alloc_netdev failed\n",__func__);
+ dev_warn(&cgdev->dev,
+ "Activating the CLAW device failed\n");
goto out;
}
dev->ml_priv = privptr;
@@ -2951,13 +2982,13 @@ claw_new_device(struct ccwgroup_device *cgdev)
privptr->channel[WRITE].ndev = dev;
privptr->p_env->ndev = dev;
- printk(KERN_INFO "%s:readsize=%d writesize=%d "
+ dev_info(&cgdev->dev, "%s:readsize=%d writesize=%d "
"readbuffer=%d writebuffer=%d read=0x%04x write=0x%04x\n",
dev->name, p_env->read_size,
p_env->write_size, p_env->read_buffers,
p_env->write_buffers, p_env->devno[READ],
p_env->devno[WRITE]);
- printk(KERN_INFO "%s:host_name:%.8s, adapter_name "
+ dev_info(&cgdev->dev, "%s:host_name:%.8s, adapter_name "
":%.8s api_type: %.8s\n",
dev->name, p_env->host_name,
p_env->adapter_name , p_env->api_type);
@@ -3001,8 +3032,8 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
ndev = priv->channel[READ].ndev;
if (ndev) {
/* Close the device */
- printk(KERN_INFO
- "%s: shuting down \n",ndev->name);
+ dev_info(&cgdev->dev, "%s: shutting down \n",
+ ndev->name);
if (ndev->flags & IFF_RUNNING)
ret = claw_release(ndev);
ndev->flags &=~IFF_RUNNING;
@@ -3027,8 +3058,7 @@ claw_remove_device(struct ccwgroup_device *cgdev)
CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
priv = cgdev->dev.driver_data;
BUG_ON(!priv);
- printk(KERN_INFO "claw: %s() called %s will be removed.\n",
- __func__, dev_name(&cgdev->cdev[0]->dev));
+ dev_info(&cgdev->dev, " will be removed.\n");
if (cgdev->state == CCWGROUP_ONLINE)
claw_shutdown_device(cgdev);
claw_remove_files(&cgdev->dev);
@@ -3067,7 +3097,8 @@ claw_hname_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-claw_hname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+claw_hname_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct claw_privbk *priv;
struct claw_env * p_env;
@@ -3104,7 +3135,8 @@ claw_adname_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-claw_adname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+claw_adname_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct claw_privbk *priv;
struct claw_env * p_env;
@@ -3142,7 +3174,8 @@ claw_apname_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-claw_apname_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+claw_apname_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct claw_privbk *priv;
struct claw_env * p_env;
@@ -3189,7 +3222,8 @@ claw_wbuff_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-claw_wbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+claw_wbuff_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct claw_privbk *priv;
struct claw_env * p_env;
@@ -3230,7 +3264,8 @@ claw_rbuff_show(struct device *dev, struct device_attribute *attr, char *buf)
}
static ssize_t
-claw_rbuff_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+claw_rbuff_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct claw_privbk *priv;
struct claw_env *p_env;
@@ -3293,7 +3328,7 @@ claw_cleanup(void)
{
unregister_cu3088_discipline(&claw_group_driver);
claw_unregister_debug_facility();
- printk(KERN_INFO "claw: Driver unloaded\n");
+ pr_info("Driver unloaded\n");
}
@@ -3307,12 +3342,12 @@ static int __init
claw_init(void)
{
int ret = 0;
- printk(KERN_INFO "claw: starting driver\n");
+ pr_info("Loading %s\n", version);
ret = claw_register_debug_facility();
if (ret) {
- printk(KERN_WARNING "claw: %s() debug_register failed %d\n",
- __func__,ret);
+ pr_err("Registering with the S/390 debug feature"
+ " failed with error code %d\n", ret);
return ret;
}
CLAW_DBF_TEXT(2, setup, "init_mod");
@@ -3320,8 +3355,8 @@ claw_init(void)
if (ret) {
CLAW_DBF_TEXT(2, setup, "init_bad");
claw_unregister_debug_facility();
- printk(KERN_WARNING "claw; %s() cu3088 register failed %d\n",
- __func__,ret);
+ pr_err("Registering with the cu3088 device driver failed "
+ "with error code %d\n", ret);
}
return ret;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 08:30:27 +0000