drivers/irqchip/irq-riscv-imsic-state.c

7 #define pr_fmt(fmt) "riscv-imsic: " fmt
22 #include "irq-riscv-imsic-state.h"
59 struct imsic_priv *imsic;
63 	return imsic ? &imsic->global : NULL;
136 	for_each_set_bit(i, lpriv->dirty_bitmap, imsic->global.nr_ids + 1) {
186 					tlocal = per_cpu_ptr(imsic->global.local, tvec->cpu);
190 				mlocal = per_cpu_ptr(imsic->global.local, mvec->cpu);
195 				mlocal = per_cpu_ptr(imsic->global.local, mvec->cpu);
228 	struct imsic_local_priv *lpriv = this_cpu_ptr(imsic->lpriv);
234 		bitmap_fill(lpriv->dirty_bitmap, imsic->global.nr_ids + 1);
296 	lpriv = per_cpu_ptr(imsic->lpriv, vec->cpu);
318 	lpriv = per_cpu_ptr(imsic->lpriv, vec->cpu);
342 	lpriv = per_cpu_ptr(imsic->lpriv, vec->cpu);
387 	old_lpriv = per_cpu_ptr(imsic->lpriv, old_vec->cpu);
391 	new_lpriv = per_cpu_ptr(imsic->lpriv, new_vec->cpu);
412 	lpriv = per_cpu_ptr(imsic->lpriv, vec->cpu);
433 	irq_matrix_debug_show(m, imsic->matrix, ind);
439 	struct imsic_local_priv *lpriv = per_cpu_ptr(imsic->lpriv, cpu);
441 	if (!lpriv || imsic->global.nr_ids < local_id)
455 	raw_spin_lock_irqsave(&imsic->matrix_lock, flags);
456 	local_id = irq_matrix_alloc(imsic->matrix, mask, false, &cpu);
457 	raw_spin_unlock_irqrestore(&imsic->matrix_lock, flags);
461 	lpriv = per_cpu_ptr(imsic->lpriv, cpu);
475 	raw_spin_lock_irqsave(&imsic->matrix_lock, flags);
477 	irq_matrix_free(imsic->matrix, vec->cpu, vec->local_id, false);
478 	raw_spin_unlock_irqrestore(&imsic->matrix_lock, flags);
487 		lpriv = per_cpu_ptr(imsic->lpriv, cpu);
493 	free_percpu(imsic->lpriv);
498 	struct imsic_global_config *global = &imsic->global;
504 	imsic->lpriv = alloc_percpu(typeof(*imsic->lpriv));
505 	if (!imsic->lpriv)
510 		lpriv = per_cpu_ptr(imsic->lpriv, cpu);
550 	raw_spin_lock_irqsave(&imsic->matrix_lock, flags);
551 	irq_matrix_online(imsic->matrix);
552 	raw_spin_unlock_irqrestore(&imsic->matrix_lock, flags);
559 	raw_spin_lock_irqsave(&imsic->matrix_lock, flags);
560 	irq_matrix_offline(imsic->matrix);
561 	raw_spin_unlock_irqrestore(&imsic->matrix_lock, flags);
564 	struct imsic_local_priv *lpriv = this_cpu_ptr(imsic->lpriv);
574 	struct imsic_global_config *global = &imsic->global;
576 	raw_spin_lock_init(&imsic->matrix_lock);
577 	imsic->matrix = irq_alloc_matrix(global->nr_ids + 1,
579 	if (!imsic->matrix)
583 	irq_matrix_assign_system(imsic->matrix, 0, false);
587 		irq_matrix_assign_system(imsic->matrix, IMSIC_IPI_ID, false);
650 	struct acpi_madt_imsic *imsic = (struct acpi_madt_imsic *)opaque;
652 	global->guest_index_bits = imsic->guest_index_bits;
653 	global->hart_index_bits = imsic->hart_index_bits;
654 	global->group_index_bits = imsic->group_index_bits;
655 	global->group_index_shift = imsic->group_index_shift;
656 	global->nr_ids = imsic->num_ids;
657 	global->nr_guest_ids = imsic->num_guest_ids;
813 	if (imsic) {
823 	imsic = kzalloc(sizeof(*imsic), GFP_KERNEL);
824 	if (!imsic)
826 	imsic->fwnode = fwnode;
827 	global = &imsic->global;
964 	free_percpu(imsic->global.local);
966 	kfree(imsic);
967 	imsic = NULL;