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AIRQ_IV_ALLOC(9) | Generic interfaces | AIRQ_IV_ALLOC(9) |
NAME¶
airq_iv_alloc - allocate irq bits from an interrupt vectorSYNOPSIS¶
unsigned long airq_iv_alloc(struct airq_iv * iv, unsigned long num);
ARGUMENTS¶
struct airq_iv * ivpointer to an interrupt vector structure
unsigned long num
number of consecutive irq bits to allocate
DESCRIPTION¶
Returns the bit number of the first irq in the allocated block of irqs, or -1UL if no bit is available or the AIRQ_IV_ALLOC flag has not been specifiedAUTHOR¶
Cornelia Huck <cornelia.huck@de.ibm.com>Author.
COPYRIGHT¶
September 2017 | Kernel Hackers Manual 4.12 |