2 * arch/s390/kernel/s390io.h
5 * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 * Author(s): Ingo Adlung (adlung@de.ibm.com)
12 #include <linux/config.h>
13 #include <asm/hardirq.h>
16 * How many IRQ's for S390 ?!?
18 #define __MAX_SUBCHANNELS 65536
19 #define NR_IRQS __MAX_SUBCHANNELS
21 #define INVALID_STORAGE_AREA ((void *)(-1 - 0x3FFF ))
23 extern int disable_irq(unsigned int);
24 extern int enable_irq(unsigned int);
27 * Interrupt controller descriptor. This is all we need
28 * to describe about the low-level hardware.
30 struct hw_interrupt_type
{
32 int (*handle
)(unsigned int irq
,
34 struct pt_regs
* regs
);
35 int (*enable
) (unsigned int irq
);
36 int (*disable
)(unsigned int irq
);
40 * Status: reason for being disabled: somebody has
41 * done a "disable_irq()" or we must not re-enter the
42 * already executing irq..
44 #define IRQ_INPROGRESS 1
45 #define IRQ_DISABLED 2
49 * path management control word
52 __u32 intparm
; /* interruption parameter */
53 __u32 res0
: 2; /* reserved zeros */
54 __u32 isc
: 3; /* interruption sublass */
55 __u32 res5
: 3; /* reserved zeros */
56 __u32 ena
: 1; /* enabled */
57 __u32 lm
: 2; /* limit mode */
58 __u32 mme
: 2; /* measurement-mode enable */
59 __u32 mp
: 1; /* multipath mode */
60 __u32 tf
: 1; /* timing facility */
61 __u32 dnv
: 1; /* device number valid */
62 __u32 dev
: 16; /* device number */
63 __u8 lpm
; /* logical path mask */
64 __u8 pnom
; /* path not operational mask */
65 __u8 lpum
; /* last path used mask */
66 __u8 pim
; /* path installed mask */
67 __u16 mbi
; /* measurement-block index */
68 __u8 pom
; /* path operational mask */
69 __u8 pam
; /* path available mask */
70 __u8 chpid
[8]; /* CHPID 0-7 (if available) */
71 __u32 unused1
: 8; /* reserved zeros */
72 __u32 st
: 3; /* subchannel type */
73 __u32 unused2
: 20; /* reserved zeros */
74 __u32 csense
: 1; /* concurrent sense; can be enabled ...*/
75 /* ... per MSCH, however, if facility */
76 /* ... is not installed, this results */
77 /* ... in an operand exception. */
78 } __attribute__ ((packed
)) pmcw_t
;
81 * subchannel status word
84 __u32 key
: 4; /* subchannel key */
85 __u32 sctl
: 1; /* suspend control */
86 __u32 eswf
: 1; /* ESW format */
87 __u32 cc
: 2; /* deferred condition code */
88 __u32 fmt
: 1; /* format */
89 __u32 pfch
: 1; /* prefetch */
90 __u32 isic
: 1; /* initial-status interruption control */
91 __u32 alcc
: 1; /* address-limit checking control */
92 __u32 ssi
: 1; /* supress-suspended interruption */
93 __u32 zcc
: 1; /* zero condition code */
94 __u32 ectl
: 1; /* extended control */
95 __u32 pno
: 1; /* path not operational */
96 __u32 res
: 1; /* reserved */
97 __u32 fctl
: 3; /* function control */
98 __u32 actl
: 7; /* activity control */
99 __u32 stctl
: 5; /* status control */
100 __u32 cpa
; /* channel program address */
101 __u32 dstat
: 8; /* device status */
102 __u32 cstat
: 8; /* subchannel status */
103 __u32 count
: 16; /* residual count */
104 } __attribute__ ((packed
)) scsw_t
;
106 #define SCSW_FCTL_CLEAR_FUNC 0x1
107 #define SCSW_FCTL_HALT_FUNC 0x2
108 #define SCSW_FCTL_START_FUNC 0x4
110 #define SCSW_ACTL_SUSPENDED 0x1
111 #define SCSW_ACTL_DEVACT 0x2
112 #define SCSW_ACTL_SCHACT 0x4
113 #define SCSW_ACTL_CLEAR_PEND 0x8
114 #define SCSW_ACTL_HALT_PEND 0x10
115 #define SCSW_ACTL_START_PEND 0x20
116 #define SCSW_ACTL_RESUME_PEND 0x40
118 #define SCSW_STCTL_STATUS_PEND 0x1
119 #define SCSW_STCTL_SEC_STATUS 0x2
120 #define SCSW_STCTL_PRIM_STATUS 0x4
121 #define SCSW_STCTL_INTER_STATUS 0x8
122 #define SCSW_STCTL_ALERT_STATUS 0x10
124 #define DEV_STAT_ATTENTION 0x80
125 #define DEV_STAT_STAT_MOD 0x40
126 #define DEV_STAT_CU_END 0x20
127 #define DEV_STAT_BUSY 0x10
128 #define DEV_STAT_CHN_END 0x08
129 #define DEV_STAT_DEV_END 0x04
130 #define DEV_STAT_UNIT_CHECK 0x02
131 #define DEV_STAT_UNIT_EXCEP 0x01
133 #define SCHN_STAT_PCI 0x80
134 #define SCHN_STAT_INCORR_LEN 0x40
135 #define SCHN_STAT_PROG_CHECK 0x20
136 #define SCHN_STAT_PROT_CHECK 0x10
137 #define SCHN_STAT_CHN_DATA_CHK 0x08
138 #define SCHN_STAT_CHN_CTRL_CHK 0x04
139 #define SCHN_STAT_INTF_CTRL_CHK 0x02
140 #define SCHN_STAT_CHAIN_CHECK 0x01
143 * subchannel information block
146 pmcw_t pmcw
; /* path management control word */
147 scsw_t scsw
; /* subchannel status word */
148 __u8 mda
[12]; /* model dependent area */
149 } __attribute__ ((packed
,aligned(4))) schib_t
;
152 __u8 cmd_code
;/* command code */
153 __u8 flags
; /* flags, like IDA adressing, etc. */
154 __u16 count
; /* byte count */
155 __u32 cda
; /* data address */
156 } ccw1_t
__attribute__ ((packed
,aligned(8)));
158 #define CCW_FLAG_DC 0x80
159 #define CCW_FLAG_CC 0x40
160 #define CCW_FLAG_SLI 0x20
161 #define CCW_FLAG_SKIP 0x10
162 #define CCW_FLAG_PCI 0x08
163 #define CCW_FLAG_IDA 0x04
164 #define CCW_FLAG_SUSPEND 0x02
166 #define CCW_CMD_READ_IPL 0x02
167 #define CCW_CMD_NOOP 0x03
168 #define CCW_CMD_BASIC_SENSE 0x04
169 #define CCW_CMD_TIC 0x08
170 #define CCW_CMD_SENSE_PGID 0x34
171 #define CCW_CMD_RDC 0x64
172 #define CCW_CMD_SET_PGID 0xAF
173 #define CCW_CMD_SENSE_ID 0xE4
175 #define SENSE_MAX_COUNT 0x20
178 * architectured values for first sense byte
180 #define SNS0_CMD_REJECT 0x80
181 #define SNS_CMD_REJECT SNS0_CMD_REJECT
182 #define SNS0_INTERVENTION_REQ 0x40
183 #define SNS0_BUS_OUT_CHECK 0x20
184 #define SNS0_EQUIPMENT_CHECK 0x10
185 #define SNS0_DATA_CHECK 0x08
186 #define SNS0_OVERRUN 0x04
189 * operation request block
192 __u32 intparm
; /* interruption parameter */
193 __u32 key
: 4; /* flags, like key, suspend control, etc. */
194 __u32 spnd
: 1; /* suspend control */
195 __u32 res1
: 3; /* reserved */
196 __u32 fmt
: 1; /* format control */
197 __u32 pfch
: 1; /* prefetch control */
198 __u32 isic
: 1; /* initial-status-interruption control */
199 __u32 alcc
: 1; /* address-limit-checking control */
200 __u32 ssic
: 1; /* suppress-suspended-interr. control */
201 __u32 res2
: 3; /* reserved */
202 __u32 lpm
: 8; /* logical path mask */
203 __u32 ils
: 1; /* incorrect length */
204 __u32 zero
: 7; /* reserved zeros */
205 __u32 cpa
; /* channel program address */
206 } __attribute__ ((packed
,aligned(4))) orb_t
;
209 __u32 res0
: 4; /* reserved */
210 __u32 pvrf
: 1; /* path-verification-required flag */
211 __u32 cpt
: 1; /* channel-path timeout */
212 __u32 fsavf
: 1; /* Failing storage address validity flag */
213 __u32 cons
: 1; /* concurrent-sense */
214 __u32 res8
: 2; /* reserved */
215 __u32 scnt
: 6; /* sense count if cons == 1 */
216 __u32 res16
: 16; /* reserved */
217 } __attribute__ ((packed
)) erw_t
;
220 * subchannel logout area
223 __u32 res0
: 1; /* reserved */
224 __u32 esf
: 7; /* extended status flags */
225 __u32 lpum
: 8; /* last path used mask */
226 __u32 res16
: 1; /* reserved */
227 __u32 fvf
: 5; /* field-validity flags */
228 __u32 sacc
: 2; /* storage access code */
229 __u32 termc
: 2; /* termination code */
230 __u32 devsc
: 1; /* device-status check */
231 __u32 serr
: 1; /* secondary error */
232 __u32 ioerr
: 1; /* i/o-error alert */
233 __u32 seqc
: 3; /* sequence code */
234 } __attribute__ ((packed
)) sublog_t
;
237 * Format 0 Extended Status Word (ESW)
240 sublog_t sublog
; /* subchannel logout */
241 erw_t erw
; /* extended report word */
242 __u32 faddr
; /* failing address */
243 __u32 zeros
[2]; /* 2 fullwords of zeros */
244 } __attribute__ ((packed
)) esw0_t
;
247 * Format 1 Extended Status Word (ESW)
250 __u8 zero0
; /* reserved zeros */
251 __u8 lpum
; /* last path used mask */
252 __u8 zero16
; /* reserved zeros */
253 erw_t erw
; /* extended report word */
254 __u32 zeros
[3]; /* 2 fullwords of zeros */
255 } __attribute__ ((packed
)) esw1_t
;
258 * Format 2 Extended Status Word (ESW)
261 __u8 zero0
; /* reserved zeros */
262 __u8 lpum
; /* last path used mask */
263 __u16 dcti
; /* device-connect-time interval */
264 erw_t erw
; /* extended report word */
265 __u32 zeros
[3]; /* 2 fullwords of zeros */
266 } __attribute__ ((packed
)) esw2_t
;
269 * Format 3 Extended Status Word (ESW)
272 __u8 zero0
; /* reserved zeros */
273 __u8 lpum
; /* last path used mask */
274 __u16 res
; /* reserved */
275 erw_t erw
; /* extended report word */
276 __u32 zeros
[3]; /* 2 fullwords of zeros */
277 } __attribute__ ((packed
)) esw3_t
;
284 } __attribute__ ((packed
)) esw_t
;
287 * interruption response block
290 scsw_t scsw
; /* subchannel status word */
291 esw_t esw
; /* extended status word */
292 __u8 ecw
[32]; /* extended control word */
293 } irb_t
__attribute__ ((packed
,aligned(4)));
299 __u32 res
: 16; /* reserved 0x00000001 */
300 __u32 irq
: 16; /* aka. subchannel number */
301 __u32 intparm
; /* interruption parameter */
302 } __attribute__ ((packed
)) tpi_info_t
;
306 * This is the "IRQ descriptor", which contains various information
307 * about the irq, including what kind of hardware handling it has,
308 * whether it is disabled etc etc.
310 * Pad this out to 32 bytes for cache and indexing reasons.
313 __u32 status
; /* IRQ status - IRQ_INPROGRESS, IRQ_DISABLED */
314 struct hw_interrupt_type
*handler
; /* handle/enable/disable functions */
315 struct irqaction
*action
; /* IRQ action list */
319 // command information word (CIW) layout
321 typedef struct _ciw
{
322 __u32 et
: 2; // entry type
323 __u32 reserved
: 2; // reserved
324 __u32 ct
: 4; // command type
325 __u32 cmd
: 8; // command
326 __u32 count
: 16; // count
327 } __attribute__ ((packed
)) ciw_t
;
329 #define CIW_TYPE_RCD 0x0 // read configuration data
330 #define CIW_TYPE_SII 0x1 // set interface identifier
331 #define CIW_TYPE_RNI 0x2 // read node identifier
334 // sense-id response buffer layout
338 __u8 reserved
; /* always 0x'FF' */
339 __u16 cu_type
; /* control unit type */
340 __u8 cu_model
; /* control unit model */
341 __u16 dev_type
; /* device type */
342 __u8 dev_model
; /* device model */
343 __u8 unused
; /* padding byte */
345 ciw_t ciw
[62]; /* variable # of CIWs */
346 } __attribute__ ((packed
,aligned(4))) senseid_t
;
352 __u8 res
[32]; /* reserved */
353 __u8 data
[32]; /* sense data */
354 } __attribute__ ((packed
)) sense_t
;
357 * device status area, to be provided by the device driver
358 * when calling request_irq() as parameter "dev_id", later
359 * tied to the "action" control block.
361 * Note : No data area must be added after union ii or the
362 * effective devstat size calculation will fail !
365 __u16 devno
; /* device number, aka. "cuu" from irb */
366 unsigned int intparm
; /* interrupt parameter */
367 __u8 cstat
; /* channel status - accumulated */
368 __u8 dstat
; /* device status - accumulated */
369 __u8 lpum
; /* last path used mask from irb */
370 __u8 unused
; /* not used - reserved */
371 unsigned int flag
; /* flag : see below */
372 __u32 cpa
; /* CCW address from irb at primary status */
373 __u32 rescnt
; /* res. count from irb at primary status */
374 __u32 scnt
; /* sense count, if DEVSTAT_FLAG_SENSE_AVAIL */
376 irb_t irb
; /* interruption response block */
377 sense_t sense
; /* sense information */
378 } ii
; /* interrupt information */
381 #define DEVSTAT_FLAG_SENSE_AVAIL 0x00000001
382 #define DEVSTAT_NOT_OPER 0x00000002
383 #define DEVSTAT_START_FUNCTION 0x00000004
384 #define DEVSTAT_HALT_FUNCTION 0x00000008
385 #define DEVSTAT_STATUS_PENDING 0x00000010
386 #define DEVSTAT_REVALIDATE 0x00000020
387 #define DEVSTAT_DEVICE_GONE 0x00000040
388 #define DEVSTAT_DEVICE_OWNED 0x00000080
389 #define DEVSTAT_CLEAR_FUNCTION 0x00000100
390 #define DEVSTAT_FINAL_STATUS 0x80000000
392 #define INTPARM_STATUS_PENDING 0xFFFFFFFF
395 __u8 state1
: 2; /* path state value 1 */
396 __u8 state2
: 2; /* path state value 2 */
397 __u8 state3
: 1; /* path state value 3 */
398 __u8 resvd
: 3; /* reserved */
399 } __attribute__ ((packed
)) path_state_t
;
403 __u8 fc
; /* SPID function code */
404 path_state_t ps
; /* SNID path state */
406 __u32 cpu_addr
: 16; /* CPU address */
407 __u32 cpu_id
: 24; /* CPU identification */
408 __u32 cpu_model
: 16; /* CPU model */
409 __u32 tod_high
; /* high word TOD clock */
410 } __attribute__ ((packed
)) pgid_t
;
412 #define SPID_FUNC_MULTI_PATH 0x80
413 #define SPID_FUNC_ESTABLISH 0x00
414 #define SPID_FUNC_RESIGN 0x40
415 #define SPID_FUNC_DISBAND 0x20
417 #define SNID_STATE1_RESET 0x0
418 #define SNID_STATE1_UNGROUPED 0x8
419 #define SNID_STATE1_GROUPED 0xC
421 #define SNID_STATE2_NOT_RESVD 0x0
422 #define SNID_STATE2_RESVD_ELSE 0x8
423 #define SNID_STATE2_RESVD_SELF 0xC
425 #define SNID_STATE3_MULTI_PATH 1
428 * Flags used as input parameters for do_IO()
430 #define DOIO_EARLY_NOTIFICATION 0x01 /* allow for I/O completion ... */
431 /* ... notification after ... */
432 /* ... primary interrupt status */
433 #define DOIO_RETURN_CHAN_END DOIO_EARLY_NOTIFICATION
434 #define DOIO_VALID_LPM 0x02 /* LPM input parameter is valid */
435 #define DOIO_WAIT_FOR_INTERRUPT 0x04 /* wait synchronously for interrupt */
436 #define DOIO_REPORT_ALL 0x08 /* report all interrupt conditions */
437 #define DOIO_ALLOW_SUSPEND 0x10 /* allow for channel prog. suspend */
438 #define DOIO_DENY_PREFETCH 0x20 /* don't allow for CCW prefetch */
439 #define DOIO_SUPPRESS_INTER 0x40 /* suppress intermediate inter. */
440 /* ... for suspended CCWs */
441 #define DOIO_TIMEOUT 0x80 /* 3 secs. timeout for sync. I/O */
446 * Start a S/390 channel program. When the interrupt arrives
447 * handle_IRQ_event() is called, which eventually calls the
448 * IRQ handler, either immediately, delayed (dev-end missing,
449 * or sense required) or never (no IRQ handler registered -
450 * should never occur, as the IRQ (subchannel ID) should be
451 * disabled if no handler is present. Depending on the action
452 * taken, do_IO() returns : 0 - Success
453 * -EIO - Status pending
454 * see : action->dev_id->cstat
455 * action->dev_id->dstat
456 * -EBUSY - Device busy
457 * -ENODEV - Device not operational
459 int do_IO( int irq
, /* IRQ aka. subchannel number */
460 ccw1_t
*cpa
, /* logical channel program address */
461 unsigned long intparm
, /* interruption parameter */
462 __u8 lpm
, /* logical path mask */
463 unsigned long flag
); /* flags : see above */
465 int start_IO( int irq
, /* IRQ aka. subchannel number */
466 ccw1_t
*cpa
, /* logical channel program address */
467 unsigned int intparm
, /* interruption parameter */
468 __u8 lpm
, /* logical path mask */
469 unsigned int flag
); /* flags : see above */
471 void do_crw_pending( void ); /* CRW handler */
473 int resume_IO( int irq
); /* IRQ aka. subchannel number */
475 int halt_IO( int irq
, /* IRQ aka. subchannel number */
476 unsigned long intparm
, /* dummy intparm */
477 unsigned long flag
); /* possible DOIO_WAIT_FOR_INTERRUPT */
479 int clear_IO( int irq
, /* IRQ aka. subchannel number */
480 unsigned long intparm
, /* dummy intparm */
481 unsigned long flag
); /* possible DOIO_WAIT_FOR_INTERRUPT */
483 int process_IRQ( struct pt_regs regs
,
485 unsigned int intparm
);
488 int enable_cpu_sync_isc ( int irq
);
489 int disable_cpu_sync_isc( int irq
);
492 int irq
; /* irq, aka. subchannel */
493 __u16 devno
; /* device number */
494 unsigned int status
; /* device status */
495 senseid_t sid_data
; /* senseID data */
498 int get_dev_info( int irq
, dev_info_t
*); /* to be eliminated - don't use */
500 int get_dev_info_by_irq ( int irq
, dev_info_t
*pdi
);
501 int get_dev_info_by_devno( __u16 devno
, dev_info_t
*pdi
);
503 int get_irq_by_devno( __u16 devno
);
504 unsigned int get_devno_by_irq( int irq
);
506 int get_irq_first( void );
507 int get_irq_next ( int irq
);
509 int read_dev_chars( int irq
, void **buffer
, int length
);
510 int read_conf_data( int irq
, void **buffer
, int *length
);
512 extern int handle_IRQ_event( unsigned int irq
, int cpu
, struct pt_regs
*);
514 extern int set_cons_dev(int irq
);
515 extern int reset_cons_dev(int irq
);
516 extern int wait_cons_dev(int irq
);
519 * Some S390 specific IO instructions as inline
522 extern __inline__
int stsch(int irq
, volatile schib_t
*addr
)
526 __asm__
__volatile__(
531 : "=d" (ccode
) : "r" (irq
| 0x10000L
), "a" (addr
)
536 extern __inline__
int msch(int irq
, volatile schib_t
*addr
)
540 __asm__
__volatile__(
545 : "=d" (ccode
) : "r" (irq
| 0x10000L
), "a" (addr
)
550 extern __inline__
int msch_err(int irq
, volatile schib_t
*addr
)
554 __asm__
__volatile__(
560 ".section .fixup,\"ax\"\n"
567 ".section __ex_table,\"a\"\n"
572 : "r" (irq
| 0x10000L
), "a" (addr
), "i" (__LC_PGM_ILC
)
577 extern __inline__
int tsch(int irq
, volatile irb_t
*addr
)
581 __asm__
__volatile__(
586 : "=d" (ccode
) : "r" (irq
| 0x10000L
), "a" (addr
)
591 extern __inline__
int tpi( volatile tpi_info_t
*addr
)
595 __asm__
__volatile__(
599 : "=d" (ccode
) : "a" (addr
)
604 extern __inline__
int ssch(int irq
, volatile orb_t
*addr
)
608 __asm__
__volatile__(
613 : "=d" (ccode
) : "r" (irq
| 0x10000L
), "a" (addr
)
618 extern __inline__
int rsch(int irq
)
622 __asm__
__volatile__(
627 : "=d" (ccode
) : "r" (irq
| 0x10000L
)
632 extern __inline__
int csch(int irq
)
636 __asm__
__volatile__(
641 : "=d" (ccode
) : "r" (irq
| 0x10000L
)
646 extern __inline__
int hsch(int irq
)
650 __asm__
__volatile__(
655 : "=d" (ccode
) : "r" (irq
| 0x10000L
)
660 extern __inline__
int iac( void)
664 __asm__
__volatile__(
668 : "=d" (ccode
) : : "cc", "1" );
673 __u16 vrdcdvno
: 16; /* device number (input) */
674 __u16 vrdclen
: 16; /* data block length (input) */
675 __u32 vrdcvcla
: 8; /* virtual device class (output) */
676 __u32 vrdcvtyp
: 8; /* virtual device type (output) */
677 __u32 vrdcvsta
: 8; /* virtual device status (output) */
678 __u32 vrdcvfla
: 8; /* virtual device flags (output) */
679 __u32 vrdcrccl
: 8; /* real device class (output) */
680 __u32 vrdccrty
: 8; /* real device type (output) */
681 __u32 vrdccrmd
: 8; /* real device model (output) */
682 __u32 vrdccrft
: 8; /* real device feature (output) */
683 } __attribute__ ((packed
,aligned(4))) diag210_t
;
685 void VM_virtual_device_info( __u16 devno
, /* device number */
686 senseid_t
*ps
); /* ptr to senseID data */
688 extern __inline__
int diag210( diag210_t
* addr
)
692 __asm__
__volatile__(
694 ".long 0x83110210\n\t"
697 : "=d" (ccode
) : "a" (addr
)
703 * Various low-level irq details needed by irq.c, process.c,
704 * time.c, io_apic.c and smp.c
706 * Interrupt entry/exit code at both C and assembly level
709 void mask_irq(unsigned int irq
);
710 void unmask_irq(unsigned int irq
);
712 #define MAX_IRQ_SOURCES 128
714 extern spinlock_t irq_controller_lock
;
718 #include <asm/atomic.h>
720 static inline void irq_enter(int cpu
, unsigned int irq
)
723 while (test_bit(0,&global_irq_lock
)) {
728 static inline void irq_exit(int cpu
, unsigned int irq
)
731 release_irqlock(cpu
);
737 #define irq_enter(cpu, irq) (++local_irq_count[cpu])
738 #define irq_exit(cpu, irq) (--local_irq_count[cpu])
743 #define STR(x) __STR(x)
748 * SMP has a few special interrupts for IPI messages
751 #endif /* CONFIG_SMP */
754 * x86 profiling function, SMP safe. We might want to do this in
757 static inline void s390_do_profile (unsigned long addr
)
760 if (prof_buffer
&& current
->pid
) {
761 addr
-= (unsigned long) &_stext
;
764 * Don't ignore out-of-bounds EIP values silently,
765 * put them into the last histogram slot, so if
766 * present, they will show up as a sharp peak.
768 if (addr
> prof_len
-1)
770 atomic_inc((atomic_t
*)&prof_buffer
[addr
]);
775 #include <asm/s390io.h>
777 #define s390irq_spin_lock(irq) \
778 spin_lock(&(ioinfo[irq]->irq_lock))
780 #define s390irq_spin_unlock(irq) \
781 spin_unlock(&(ioinfo[irq]->irq_lock))
783 #define s390irq_spin_lock_irqsave(irq,flags) \
784 spin_lock_irqsave(&(ioinfo[irq]->irq_lock), flags)
785 #define s390irq_spin_unlock_irqrestore(irq,flags) \
786 spin_unlock_irqrestore(&(ioinfo[irq]->irq_lock), flags)