93 	int irq;  in find_unassigned_irq()  local
95 	for (irq = IA64_FIRST_DEVICE_VECTOR; irq < NR_IRQS; irq++)  in find_unassigned_irq()
96 		if (irq_status[irq] == IRQ_UNUSED)  in find_unassigned_irq()
97 			return irq;  in find_unassigned_irq()
120 static int __bind_irq_vector(int irq, int vector, cpumask_t domain)  in __bind_irq_vector()  argument
124 	struct irq_cfg *cfg = &irq_cfg[irq];  in __bind_irq_vector()
126 	BUG_ON((unsigned)irq >= NR_IRQS);  in __bind_irq_vector()
137 		per_cpu(vector_irq, cpu)[vector] = irq;  in __bind_irq_vector()
140 	irq_status[irq] = IRQ_USED;  in __bind_irq_vector()
145 int bind_irq_vector(int irq, int vector, cpumask_t domain)  in bind_irq_vector()  argument
151 	ret = __bind_irq_vector(irq, vector, domain);  in bind_irq_vector()
156 static void __clear_irq_vector(int irq)  in __clear_irq_vector()  argument
160 	struct irq_cfg *cfg = &irq_cfg[irq];  in __clear_irq_vector()
162 	BUG_ON((unsigned)irq >= NR_IRQS);  in __clear_irq_vector()
170 	irq_status[irq] = IRQ_UNUSED;  in __clear_irq_vector()
174 static void clear_irq_vector(int irq)  in clear_irq_vector()  argument
179 	__clear_irq_vector(irq);  in clear_irq_vector()
184 ia64_native_assign_irq_vector (int irq)  in ia64_native_assign_irq_vector()  argument
201 	if (irq == AUTO_ASSIGN)  in ia64_native_assign_irq_vector()
202 		irq = vector;  in ia64_native_assign_irq_vector()
203 	BUG_ON(__bind_irq_vector(irq, vector, domain));  in ia64_native_assign_irq_vector()
233 	int irq, vector;  in __setup_vector_irq()  local
239 	for (irq = 0; irq < NR_IRQS; ++irq) {  in __setup_vector_irq()
240 		if (!cpumask_test_cpu(cpu, &irq_cfg[irq].domain))  in __setup_vector_irq()
242 		vector = irq_to_vector(irq);  in __setup_vector_irq()
243 		per_cpu(vector_irq, cpu)[vector] = irq;  in __setup_vector_irq()
261 static int __irq_prepare_move(int irq, int cpu)  in __irq_prepare_move()  argument
263 	struct irq_cfg *cfg = &irq_cfg[irq];  in __irq_prepare_move()
281 	BUG_ON(__bind_irq_vector(irq, vector, domain));  in __irq_prepare_move()
285 int irq_prepare_move(int irq, int cpu)  in irq_prepare_move()  argument
291 	ret = __irq_prepare_move(irq, cpu);  in irq_prepare_move()
296 void irq_complete_move(unsigned irq)  in irq_complete_move()  argument
298 	struct irq_cfg *cfg = &irq_cfg[irq];  in irq_complete_move()
315 static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)  in smp_irq_move_cleanup_interrupt()  argument
323 		int irq;  in smp_irq_move_cleanup_interrupt()  local
326 		irq = __this_cpu_read(vector_irq[vector]);  in smp_irq_move_cleanup_interrupt()
327 		if (irq < 0)  in smp_irq_move_cleanup_interrupt()
330 		desc = irq_to_desc(irq);  in smp_irq_move_cleanup_interrupt()
331 		cfg = irq_cfg + irq;  in smp_irq_move_cleanup_interrupt()
369 void destroy_and_reserve_irq(unsigned int irq)  in destroy_and_reserve_irq()  argument
373 	irq_init_desc(irq);  in destroy_and_reserve_irq()
375 	__clear_irq_vector(irq);  in destroy_and_reserve_irq()
376 	irq_status[irq] = IRQ_RSVD;  in destroy_and_reserve_irq()
386 	int irq, vector, cpu;  in create_irq()  local
389 	irq = vector = -ENOSPC;  in create_irq()
399 	irq = find_unassigned_irq();  in create_irq()
400 	if (irq < 0)  in create_irq()
402 	BUG_ON(__bind_irq_vector(irq, vector, domain));  in create_irq()
405 	if (irq >= 0)  in create_irq()
406 		irq_init_desc(irq);  in create_irq()
407 	return irq;  in create_irq()
410 void destroy_irq(unsigned int irq)  in destroy_irq()  argument
412 	irq_init_desc(irq);  in destroy_irq()
413 	clear_irq_vector(irq);  in destroy_irq()
469 		int irq = local_vector_to_irq(vector);  in ia64_handle_irq()  local
473 			kstat_incr_irq_this_cpu(irq);  in ia64_handle_irq()
476 			kstat_incr_irq_this_cpu(irq);  in ia64_handle_irq()
481 			if (unlikely(irq < 0)) {  in ia64_handle_irq()
487 				generic_handle_irq(irq);  in ia64_handle_irq()
528 		int irq = local_vector_to_irq(vector);  in ia64_process_pending_intr()  local
532 			kstat_incr_irq_this_cpu(irq);  in ia64_process_pending_intr()
534 			kstat_incr_irq_this_cpu(irq);  in ia64_process_pending_intr()
547 			if (unlikely(irq < 0)) {  in ia64_process_pending_intr()
553 				vectors_in_migration[irq]=0;  in ia64_process_pending_intr()
554 				generic_handle_irq(irq);  in ia64_process_pending_intr()
574 static irqreturn_t dummy_handler (int irq, void *dev_id)  in dummy_handler()  argument
590 	unsigned int irq;  in register_percpu_irq()  local
592 	irq = vec;  in register_percpu_irq()
593 	BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));  in register_percpu_irq()
594 	irq_set_status_flags(irq, IRQ_PER_CPU);  in register_percpu_irq()
595 	irq_set_chip(irq, &irq_type_ia64_lsapic);  in register_percpu_irq()
597 		if (request_irq(irq, handler, flags, name, NULL))  in register_percpu_irq()
598 			pr_err("Failed to request irq %u (%s)\n", irq, name);  in register_percpu_irq()
599 	irq_set_handler(irq, handle_percpu_irq);  in register_percpu_irq()