1AIRQ_IV_ALLOC(9) Generic interfaces AIRQ_IV_ALLOC(9)
2
3
4
6 airq_iv_alloc - allocate irq bits from an interrupt vector
7
9 unsigned long airq_iv_alloc(struct airq_iv * iv, unsigned long num);
10
12 iv
13 pointer to an interrupt vector structure
14
15 num
16 number of consecutive irq bits to allocate
17
19 Returns the bit number of the first irq in the allocated block of irqs,
20 or -1UL if no bit is available or the AIRQ_IV_ALLOC flag has not been
21 specified
22
24 Cornelia Huck <cornelia.huck@de.ibm.com>
25 Author.
26
28Kernel Hackers Manual 3.10 June 2019 AIRQ_IV_ALLOC(9)