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authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2008-07-14 03:58:50 -0400
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-07-14 04:02:07 -0400
commit23d805b647db6c2063a13089497615efa9deacdd (patch)
tree87fea2384f95192b68535c7ddb1495776677ce85 /drivers/s390/cio/cio.c
parent4f2bd92e3b4f3b6405c5aadae3ad64acd94cdb78 (diff)
[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>
Diffstat (limited to 'drivers/s390/cio/cio.c')
-rw-r--r--drivers/s390/cio/cio.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 0511fe31d049..40b2884126da 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -128,7 +128,7 @@ cio_tpi(void)
128 local_bh_disable(); 128 local_bh_disable();
129 irq_enter (); 129 irq_enter ();
130 spin_lock(sch->lock); 130 spin_lock(sch->lock);
131 memcpy (&sch->schib.scsw, &irb->scsw, sizeof (struct scsw)); 131 memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw));
132 if (sch->driver && sch->driver->irq) 132 if (sch->driver && sch->driver->irq)
133 sch->driver->irq(sch); 133 sch->driver->irq(sch);
134 spin_unlock(sch->lock); 134 spin_unlock(sch->lock);
@@ -202,7 +202,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
202 /* 202 /*
203 * initialize device status information 203 * initialize device status information
204 */ 204 */
205 sch->schib.scsw.actl |= SCSW_ACTL_START_PEND; 205 sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND;
206 return 0; 206 return 0;
207 case 1: /* status pending */ 207 case 1: /* status pending */
208 case 2: /* busy */ 208 case 2: /* busy */
@@ -237,7 +237,7 @@ cio_resume (struct subchannel *sch)
237 237
238 switch (ccode) { 238 switch (ccode) {
239 case 0: 239 case 0:
240 sch->schib.scsw.actl |= SCSW_ACTL_RESUME_PEND; 240 sch->schib.scsw.cmd.actl |= SCSW_ACTL_RESUME_PEND;
241 return 0; 241 return 0;
242 case 1: 242 case 1:
243 return -EBUSY; 243 return -EBUSY;
@@ -277,7 +277,7 @@ cio_halt(struct subchannel *sch)
277 277
278 switch (ccode) { 278 switch (ccode) {
279 case 0: 279 case 0:
280 sch->schib.scsw.actl |= SCSW_ACTL_HALT_PEND; 280 sch->schib.scsw.cmd.actl |= SCSW_ACTL_HALT_PEND;
281 return 0; 281 return 0;
282 case 1: /* status pending */ 282 case 1: /* status pending */
283 case 2: /* busy */ 283 case 2: /* busy */
@@ -312,7 +312,7 @@ cio_clear(struct subchannel *sch)
312 312
313 switch (ccode) { 313 switch (ccode) {
314 case 0: 314 case 0:
315 sch->schib.scsw.actl |= SCSW_ACTL_CLEAR_PEND; 315 sch->schib.scsw.cmd.actl |= SCSW_ACTL_CLEAR_PEND;
316 return 0; 316 return 0;
317 default: /* device not operational */ 317 default: /* device not operational */
318 return -ENODEV; 318 return -ENODEV;
@@ -458,7 +458,7 @@ int cio_disable_subchannel(struct subchannel *sch)
458 if (ccode == 3) /* Not operational. */ 458 if (ccode == 3) /* Not operational. */
459 return -ENODEV; 459 return -ENODEV;
460 460
461 if (sch->schib.scsw.actl != 0) 461 if (scsw_actl(&sch->schib.scsw) != 0)
462 /* 462 /*
463 * the disable function must not be called while there are 463 * the disable function must not be called while there are
464 * requests pending for completion ! 464 * requests pending for completion !
@@ -708,7 +708,7 @@ void wait_cons_dev(void)
708 if (!cio_tpi()) 708 if (!cio_tpi())
709 cpu_relax(); 709 cpu_relax();
710 spin_lock(console_subchannel.lock); 710 spin_lock(console_subchannel.lock);
711 } while (console_subchannel.schib.scsw.actl != 0); 711 } while (console_subchannel.schib.scsw.cmd.actl != 0);
712 /* 712 /*
713 * restore previous isc value 713 * restore previous isc value
714 */ 714 */