diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-02-13 13:02:32 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-03-04 10:41:04 +0100 |
| commit | 84ec96a6150477b9509664557bc6ad4eaa21f72a (patch) | |
| tree | c43505c1a361a69e0d9df17c18b8bc4275ea27cc /arch/s390 | |
| parent | virtio_ccw: fix vcdev pointer handling issues (diff) | |
| download | linux-84ec96a6150477b9509664557bc6ad4eaa21f72a.tar.xz linux-84ec96a6150477b9509664557bc6ad4eaa21f72a.zip | |
s390/airq: add support for irq ranges
Add airq_iv_alloc and airq_iv_free to allocate and free consecutive
ranges of irqs from the interrupt vector.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/airq.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/s390/include/asm/airq.h b/arch/s390/include/asm/airq.h index 4bbb5957ed1b..bd93ff6661b8 100644 --- a/arch/s390/include/asm/airq.h +++ b/arch/s390/include/asm/airq.h @@ -44,11 +44,21 @@ struct airq_iv { struct airq_iv *airq_iv_create(unsigned long bits, unsigned long flags); void airq_iv_release(struct airq_iv *iv); -unsigned long airq_iv_alloc_bit(struct airq_iv *iv); -void airq_iv_free_bit(struct airq_iv *iv, unsigned long bit); +unsigned long airq_iv_alloc(struct airq_iv *iv, unsigned long num); +void airq_iv_free(struct airq_iv *iv, unsigned long bit, unsigned long num); unsigned long airq_iv_scan(struct airq_iv *iv, unsigned long start, unsigned long end); +static inline unsigned long airq_iv_alloc_bit(struct airq_iv *iv) +{ + return airq_iv_alloc(iv, 1); +} + +static inline void airq_iv_free_bit(struct airq_iv *iv, unsigned long bit) +{ + airq_iv_free(iv, bit, 1); +} + static inline unsigned long airq_iv_end(struct airq_iv *iv) { return iv->end; |