1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 1998-2001 Hewlett-Packard Co
7  *	David Mosberger-Tang <davidm@hpl.hp.com>
54 /* default base addr of IPI table */
61  * Legacy IRQ to IA-64 vector translation table.
73 	[0 ... NR_IRQS - 1] = {
80 	[0 ... IA64_NUM_VECTORS - 1] = -1
84 	[0 ... IA64_NUM_VECTORS - 1] = CPU_MASK_NONE
88 	[0 ... NR_IRQS -1] = IRQ_UNUSED
98 	return -ENOSPC;  in find_unassigned_irq()
108 		return -EINVAL;  in find_unassigned_vector()
117 	return -ENOSPC;  in find_unassigned_vector()
131 		return -EINVAL;  in __bind_irq_vector()
132 	if ((cfg->vector == vector) && cpumask_equal(&cfg->domain, &domain))  in __bind_irq_vector()
134 	if (cfg->vector != IRQ_VECTOR_UNASSIGNED)  in __bind_irq_vector()
135 		return -EBUSY;  in __bind_irq_vector()
138 	cfg->vector = vector;  in __bind_irq_vector()
139 	cfg->domain = domain;  in __bind_irq_vector()
163 	BUG_ON(cfg->vector == IRQ_VECTOR_UNASSIGNED);  in __clear_irq_vector()
164 	vector = cfg->vector;  in __clear_irq_vector()
165 	domain = cfg->domain;  in __clear_irq_vector()
166 	for_each_cpu_and(cpu, &cfg->domain, cpu_online_mask)  in __clear_irq_vector()
167 		per_cpu(vector_irq, cpu)[vector] = -1;  in __clear_irq_vector()
168 	cfg->vector = IRQ_VECTOR_UNASSIGNED;  in __clear_irq_vector()
169 	cfg->domain = CPU_MASK_NONE;  in __clear_irq_vector()
190 	vector = -ENOSPC;  in ia64_native_assign_irq_vector()
223 		return -EINVAL;  in reserve_irq_vector()
237 		per_cpu(vector_irq, cpu)[vector] = -1;  in __setup_vector_irq()
267 	if (cfg->move_in_progress || cfg->move_cleanup_count)  in __irq_prepare_move()
268 		return -EBUSY;  in __irq_prepare_move()
269 	if (cfg->vector == IRQ_VECTOR_UNASSIGNED || !cpu_online(cpu))  in __irq_prepare_move()
270 		return -EINVAL;  in __irq_prepare_move()
271 	if (cpumask_test_cpu(cpu, &cfg->domain))  in __irq_prepare_move()
276 		return -ENOSPC;  in __irq_prepare_move()
277 	cfg->move_in_progress = 1;  in __irq_prepare_move()
278 	cfg->old_domain = cfg->domain;  in __irq_prepare_move()
279 	cfg->vector = IRQ_VECTOR_UNASSIGNED;  in __irq_prepare_move()
280 	cfg->domain = CPU_MASK_NONE;  in __irq_prepare_move()
302 	if (likely(!cfg->move_in_progress))  in irq_complete_move()
305 	if (unlikely(cpumask_test_cpu(smp_processor_id(), &cfg->old_domain)))  in irq_complete_move()
308 	cpumask_and(&cleanup_mask, &cfg->old_domain, cpu_online_mask);  in irq_complete_move()
309 	cfg->move_cleanup_count = cpumask_weight(&cleanup_mask);  in irq_complete_move()
312 	cfg->move_in_progress = 0;  in irq_complete_move()
332 		raw_spin_lock(&desc->lock);  in smp_irq_move_cleanup_interrupt()
333 		if (!cfg->move_cleanup_count)  in smp_irq_move_cleanup_interrupt()
336 		if (!cpumask_test_cpu(me, &cfg->old_domain))  in smp_irq_move_cleanup_interrupt()
340 		__this_cpu_write(vector_irq[vector], -1);  in smp_irq_move_cleanup_interrupt()
343 		cfg->move_cleanup_count--;  in smp_irq_move_cleanup_interrupt()
345 		raw_spin_unlock(&desc->lock);  in smp_irq_move_cleanup_interrupt()
353 		return -EINVAL;  in parse_vector_domain()
381  * Dynamic irq allocate and deallocation for MSI
389 	irq = vector = -ENOSPC;  in create_irq()
417 #	define IS_RESCHEDULE(vec)	(vec == IA64_IPI_RESCHEDULE)  argument
418 #	define IS_LOCAL_TLB_FLUSH(vec)	(vec == IA64_IPI_LOCAL_TLB_FLUSH)  argument
420 #	define IS_RESCHEDULE(vec)	(0)  argument
421 #	define IS_LOCAL_TLB_FLUSH(vec)	(0)  argument
448 		if ((sp - bsp) < 1024) {  in ia64_handle_irq()
587 register_percpu_irq(ia64_vector vec, irq_handler_t handler, unsigned long flags,  in register_percpu_irq()  argument
592 	irq = vec;  in register_percpu_irq()
593 	BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));  in register_percpu_irq()