1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_IRQNR_H 3*4882a593Smuzhiyun #define _LINUX_IRQNR_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <uapi/linux/irqnr.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun extern int nr_irqs; 9*4882a593Smuzhiyun extern struct irq_desc *irq_to_desc(unsigned int irq); 10*4882a593Smuzhiyun unsigned int irq_get_next_irq(unsigned int offset); 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun # define for_each_irq_desc(irq, desc) \ 13*4882a593Smuzhiyun for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \ 14*4882a593Smuzhiyun irq++, desc = irq_to_desc(irq)) \ 15*4882a593Smuzhiyun if (!desc) \ 16*4882a593Smuzhiyun ; \ 17*4882a593Smuzhiyun else 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun # define for_each_irq_desc_reverse(irq, desc) \ 21*4882a593Smuzhiyun for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ 22*4882a593Smuzhiyun irq--, desc = irq_to_desc(irq)) \ 23*4882a593Smuzhiyun if (!desc) \ 24*4882a593Smuzhiyun ; \ 25*4882a593Smuzhiyun else 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun # define for_each_active_irq(irq) \ 28*4882a593Smuzhiyun for (irq = irq_get_next_irq(0); irq < nr_irqs; \ 29*4882a593Smuzhiyun irq = irq_get_next_irq(irq + 1)) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define for_each_irq_nr(irq) \ 32*4882a593Smuzhiyun for (irq = 0; irq < nr_irqs; irq++) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif 35