[S390] cio: introduce fcx enabled scsw format
Extend the scsw data structure to the format required by fcx. Also
provide helper functions for easier access to fields which are present
in both the traditional as well as the modified format.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 04a1d7b..c644669 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -703,7 +703,8 @@
if (!cdev->dev.driver_data) {
printk(KERN_WARNING "claw: unsolicited interrupt for device:"
"%s received c-%02x d-%02x\n",
- cdev->dev.bus_id,irb->scsw.cstat, irb->scsw.dstat);
+ cdev->dev.bus_id, irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
#ifdef FUNCTRACE
printk(KERN_INFO "claw: %s() "
"exit on line %d\n",__func__,__LINE__);
@@ -732,22 +733,23 @@
#ifdef IOTRACE
printk(KERN_INFO "%s: interrupt for device: %04x "
"received c-%02x d-%02x state-%02x\n",
- dev->name, p_ch->devno, irb->scsw.cstat,
- irb->scsw.dstat, p_ch->claw_state);
+ dev->name, p_ch->devno, irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat, p_ch->claw_state);
#endif
/* Copy interruption response block. */
memcpy(p_ch->irb, irb, sizeof(struct irb));
/* Check for good subchannel return code, otherwise error message */
- if (irb->scsw.cstat && !(irb->scsw.cstat & SCHN_STAT_PCI)) {
+ if (irb->scsw.cmd.cstat && !(irb->scsw.cmd.cstat & SCHN_STAT_PCI)) {
printk(KERN_INFO "%s: subchannel check for device: %04x -"
" Sch Stat %02x Dev Stat %02x CPA - %04x\n",
dev->name, p_ch->devno,
- irb->scsw.cstat, irb->scsw.dstat,irb->scsw.cpa);
+ irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
+ irb->scsw.cmd.cpa);
#ifdef IOTRACE
dumpit((char *)irb,sizeof(struct irb));
- dumpit((char *)(unsigned long)irb->scsw.cpa,
+ dumpit((char *)(unsigned long)irb->scsw.cmd.cpa,
sizeof(struct ccw1));
#endif
#ifdef FUNCTRACE
@@ -759,22 +761,24 @@
}
/* Check the reason-code of a unit check */
- if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) {
+ if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)
ccw_check_unit_check(p_ch, irb->ecw[0]);
- }
/* State machine to bring the connection up, down and to restart */
- p_ch->last_dstat = irb->scsw.dstat;
+ p_ch->last_dstat = irb->scsw.cmd.dstat;
switch (p_ch->claw_state) {
case CLAW_STOP:/* HALT_IO by claw_release (halt sequence) */
#ifdef DEBUGMSG
printk(KERN_INFO "%s: CLAW_STOP enter\n", dev->name);
#endif
- if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) ||
- (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) ||
- (p_ch->irb->scsw.stctl ==
- (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
+ if (!((p_ch->irb->scsw.cmd.stctl &
+ SCSW_STCTL_SEC_STATUS) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ SCSW_STCTL_STATUS_PEND) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ (SCSW_STCTL_ALERT_STATUS |
+ SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
@@ -798,10 +802,13 @@
printk(KERN_INFO "%s: process CLAW_STAT_HALT_IO\n",
dev->name);
#endif
- if (!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) ||
- (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) ||
- (p_ch->irb->scsw.stctl ==
- (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
+ if (!((p_ch->irb->scsw.cmd.stctl &
+ SCSW_STCTL_SEC_STATUS) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ SCSW_STCTL_STATUS_PEND) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ (SCSW_STCTL_ALERT_STATUS |
+ SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
@@ -828,8 +835,8 @@
"interrupt for device:"
"%s received c-%02x d-%02x\n",
cdev->dev.bus_id,
- irb->scsw.cstat,
- irb->scsw.dstat);
+ irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
return;
}
#ifdef DEBUGMSG
@@ -844,7 +851,7 @@
return;
case CLAW_START_READ:
CLAW_DBF_TEXT(4,trace,"ReadIRQ");
- if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) {
+ if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
clear_bit(0, (void *)&p_ch->IO_active);
if ((p_ch->irb->ecw[0] & 0x41) == 0x41 ||
(p_ch->irb->ecw[0] & 0x40) == 0x40 ||
@@ -863,8 +870,8 @@
CLAW_DBF_TEXT(4,trace,"notrdy");
return;
}
- if ((p_ch->irb->scsw.cstat & SCHN_STAT_PCI) &&
- (p_ch->irb->scsw.dstat==0)) {
+ if ((p_ch->irb->scsw.cmd.cstat & SCHN_STAT_PCI) &&
+ (p_ch->irb->scsw.cmd.dstat == 0)) {
if (test_and_set_bit(CLAW_BH_ACTIVE,
(void *)&p_ch->flag_a) == 0) {
tasklet_schedule(&p_ch->tasklet);
@@ -879,10 +886,13 @@
CLAW_DBF_TEXT(4,trace,"PCI_read");
return;
}
- if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) ||
- (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) ||
- (p_ch->irb->scsw.stctl ==
- (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
+ if (!((p_ch->irb->scsw.cmd.stctl &
+ SCSW_STCTL_SEC_STATUS) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ SCSW_STCTL_STATUS_PEND) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ (SCSW_STCTL_ALERT_STATUS |
+ SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
@@ -911,7 +921,7 @@
CLAW_DBF_TEXT(4,trace,"RdIRQXit");
return;
case CLAW_START_WRITE:
- if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_CHECK) {
+ if (p_ch->irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
printk(KERN_INFO "%s: Unit Check Occured in "
"write channel\n",dev->name);
clear_bit(0, (void *)&p_ch->IO_active);
@@ -934,16 +944,19 @@
CLAW_DBF_TEXT(4,trace,"rstrtwrt");
return;
}
- if (p_ch->irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) {
+ 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);
}
- if(!((p_ch->irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) ||
- (p_ch->irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) ||
- (p_ch->irb->scsw.stctl ==
- (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))) {
+ if (!((p_ch->irb->scsw.cmd.stctl &
+ SCSW_STCTL_SEC_STATUS) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ SCSW_STCTL_STATUS_PEND) ||
+ (p_ch->irb->scsw.cmd.stctl ==
+ (SCSW_STCTL_ALERT_STATUS |
+ SCSW_STCTL_STATUS_PEND)))) {
#ifdef FUNCTRACE
printk(KERN_INFO "%s:%s Exit on line %d\n",
dev->name,__func__,__LINE__);
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 2a106f3..7e6bd38 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -257,9 +257,9 @@
if (duration > ch->prof.tx_time)
ch->prof.tx_time = duration;
- if (ch->irb->scsw.count != 0)
+ if (ch->irb->scsw.cmd.count != 0)
ctcm_pr_debug("%s: TX not complete, remaining %d bytes\n",
- dev->name, ch->irb->scsw.count);
+ dev->name, ch->irb->scsw.cmd.count);
fsm_deltimer(&ch->timer);
while ((skb = skb_dequeue(&ch->io_queue))) {
priv->stats.tx_packets++;
@@ -353,7 +353,7 @@
struct channel *ch = arg;
struct net_device *dev = ch->netdev;
struct ctcm_priv *priv = dev->priv;
- int len = ch->max_bufsize - ch->irb->scsw.count;
+ int len = ch->max_bufsize - ch->irb->scsw.cmd.count;
struct sk_buff *skb = ch->trans_skb;
__u16 block_len = *((__u16 *)skb->data);
int check_len;
@@ -1234,9 +1234,9 @@
if (duration > ch->prof.tx_time)
ch->prof.tx_time = duration;
- if (ch->irb->scsw.count != 0)
+ if (ch->irb->scsw.cmd.count != 0)
ctcm_pr_debug("%s: TX not complete, remaining %d bytes\n",
- dev->name, ch->irb->scsw.count);
+ dev->name, ch->irb->scsw.cmd.count);
fsm_deltimer(&ch->timer);
while ((skb = skb_dequeue(&ch->io_queue))) {
priv->stats.tx_packets++;
@@ -1394,7 +1394,7 @@
struct sk_buff *skb = ch->trans_skb;
struct sk_buff *new_skb;
unsigned long saveflags = 0; /* avoids compiler warning */
- int len = ch->max_bufsize - ch->irb->scsw.count;
+ int len = ch->max_bufsize - ch->irb->scsw.cmd.count;
if (do_debug_data) {
CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG, "mpc_ch_rx %s cp:%i %s\n",
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index d52843d..6b13c1c 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1236,8 +1236,8 @@
/* Check for unsolicited interrupts. */
if (cgdev == NULL) {
ctcm_pr_warn("ctcm: Got unsolicited irq: %s c-%02x d-%02x\n",
- cdev->dev.bus_id, irb->scsw.cstat,
- irb->scsw.dstat);
+ cdev->dev.bus_id, irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
return;
}
@@ -1266,40 +1266,40 @@
"received c-%02x d-%02x\n",
dev->name,
ch->id,
- irb->scsw.cstat,
- irb->scsw.dstat);
+ irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
/* Copy interruption response block. */
memcpy(ch->irb, irb, sizeof(struct irb));
/* Check for good subchannel return code, otherwise error message */
- if (irb->scsw.cstat) {
+ if (irb->scsw.cmd.cstat) {
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.cstat,
- irb->scsw.dstat);
+ dev->name, ch->id, irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
return;
}
/* Check the reason-code of a unit check */
- if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK) {
+ if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK) {
ccw_unit_check(ch, irb->ecw[0]);
return;
}
- if (irb->scsw.dstat & DEV_STAT_BUSY) {
- if (irb->scsw.dstat & DEV_STAT_ATTENTION)
+ if (irb->scsw.cmd.dstat & DEV_STAT_BUSY) {
+ if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION)
fsm_event(ch->fsm, CTC_EVENT_ATTNBUSY, ch);
else
fsm_event(ch->fsm, CTC_EVENT_BUSY, ch);
return;
}
- if (irb->scsw.dstat & DEV_STAT_ATTENTION) {
+ if (irb->scsw.cmd.dstat & DEV_STAT_ATTENTION) {
fsm_event(ch->fsm, CTC_EVENT_ATTN, ch);
return;
}
- if ((irb->scsw.stctl & SCSW_STCTL_SEC_STATUS) ||
- (irb->scsw.stctl == SCSW_STCTL_STATUS_PEND) ||
- (irb->scsw.stctl ==
+ if ((irb->scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS) ||
+ (irb->scsw.cmd.stctl == SCSW_STCTL_STATUS_PEND) ||
+ (irb->scsw.cmd.stctl ==
(SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)))
fsm_event(ch->fsm, CTC_EVENT_FINSTAT, ch);
else
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index dd22f4b..586cca2 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1327,8 +1327,8 @@
char *sense;
sense = (char *) irb->ecw;
- cstat = irb->scsw.cstat;
- dstat = irb->scsw.dstat;
+ cstat = irb->scsw.cmd.cstat;
+ dstat = irb->scsw.cmd.dstat;
if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
@@ -1388,11 +1388,13 @@
else
channel = &card->write;
- cstat = irb->scsw.cstat;
- dstat = irb->scsw.dstat;
+ cstat = irb->scsw.cmd.cstat;
+ dstat = irb->scsw.cmd.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);
+ LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.cstat,
+ irb->scsw.cmd.dstat);
+ LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.fctl,
+ irb->scsw.cmd.actl);
/* Check for channel and device errors presented */
rc = lcs_get_problem(cdev, irb);
@@ -1410,11 +1412,11 @@
}
/* How far in the ccw chain have we processed? */
if ((channel->state != LCS_CH_STATE_INIT) &&
- (irb->scsw.fctl & SCSW_FCTL_START_FUNC)) {
- index = (struct ccw1 *) __va((addr_t) irb->scsw.cpa)
+ (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC)) {
+ index = (struct ccw1 *) __va((addr_t) irb->scsw.cmd.cpa)
- channel->ccws;
- if ((irb->scsw.actl & SCSW_ACTL_SUSPENDED) ||
- (irb->scsw.cstat & SCHN_STAT_PCI))
+ if ((irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) ||
+ (irb->scsw.cmd.cstat & SCHN_STAT_PCI))
/* Bloody io subsystem tells us lies about cpa... */
index = (index - 1) & (LCS_NUM_BUFFS - 1);
while (channel->io_idx != index) {
@@ -1425,25 +1427,24 @@
}
}
- if ((irb->scsw.dstat & DEV_STAT_DEV_END) ||
- (irb->scsw.dstat & DEV_STAT_CHN_END) ||
- (irb->scsw.dstat & DEV_STAT_UNIT_CHECK))
+ if ((irb->scsw.cmd.dstat & DEV_STAT_DEV_END) ||
+ (irb->scsw.cmd.dstat & DEV_STAT_CHN_END) ||
+ (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK))
/* Mark channel as stopped. */
channel->state = LCS_CH_STATE_STOPPED;
- else if (irb->scsw.actl & SCSW_ACTL_SUSPENDED)
+ else if (irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED)
/* CCW execution stopped on a suspend bit. */
channel->state = LCS_CH_STATE_SUSPENDED;
- if (irb->scsw.fctl & SCSW_FCTL_HALT_FUNC) {
- if (irb->scsw.cc != 0) {
+ if (irb->scsw.cmd.fctl & SCSW_FCTL_HALT_FUNC) {
+ if (irb->scsw.cmd.cc != 0) {
ccw_device_halt(channel->ccwdev, (addr_t) channel);
return;
}
/* The channel has been stopped by halt_IO. */
channel->state = LCS_CH_STATE_HALTED;
}
- if (irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) {
+ if (irb->scsw.cmd.fctl & SCSW_FCTL_CLEAR_FUNC)
channel->state = LCS_CH_STATE_CLEARED;
- }
/* Do the rest in the tasklet. */
tasklet_schedule(&channel->irq_tasklet);
}
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 9a71dae..90db3e4 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -735,8 +735,8 @@
char *sense;
sense = (char *) irb->ecw;
- cstat = irb->scsw.cstat;
- dstat = irb->scsw.dstat;
+ cstat = irb->scsw.cmd.cstat;
+ dstat = irb->scsw.cmd.dstat;
if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK |
SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK |
@@ -823,8 +823,8 @@
if (__qeth_check_irb_error(cdev, intparm, irb))
return;
- cstat = irb->scsw.cstat;
- dstat = irb->scsw.dstat;
+ cstat = irb->scsw.cmd.cstat;
+ dstat = irb->scsw.cmd.dstat;
card = CARD_FROM_CDEV(cdev);
if (!card)
@@ -842,10 +842,10 @@
}
atomic_set(&channel->irq_pending, 0);
- if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC))
+ if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC))
channel->state = CH_STATE_STOPPED;
- if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC))
+ if (irb->scsw.cmd.fctl & (SCSW_FCTL_HALT_FUNC))
channel->state = CH_STATE_HALTED;
/*let's wake up immediately on data channel*/