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irqchip/loongarch-avec: Prepare for interrupt redirection support

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Interrupt redirection support requires a new interrupt chip, which needs
to share data structures, constants and functions with the AVECINTC code.

So move them to the header file and make the required functions public.

Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/20260513012839.2856463-3-zhangtianyang@loongson.cn
This commit is contained in:
Tianyang Zhang 2026-05-13 09:28:33 +08:00 committed by Thomas Gleixner
parent 89bb21e9b5
commit 4b522d3cf4
2 changed files with 14 additions and 11 deletions
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12
drivers/irqchip/irq-loongarch-avec.c
View File

@ -24,7 +24,6 @@
#define VECTORS_PER_REG 64
#define IRR_VECTOR_MASK 0xffUL
#define IRR_INVALID_MASK 0x80000000UL
#define AVEC_MSG_OFFSET 0x100000
#ifdef CONFIG_SMP
struct pending_list {
@ -47,15 +46,6 @@ struct avecintc_chip {
static struct avecintc_chip loongarch_avec;
struct avecintc_data {
struct list_head entry;
unsigned int cpu;
unsigned int vec;
unsigned int prev_cpu;
unsigned int prev_vec;
unsigned int moving;
};
static inline void avecintc_enable(void)
{
#ifdef CONFIG_MACH_LOONGSON64
@ -87,7 +77,7 @@ static inline void pending_list_init(int cpu)
INIT_LIST_HEAD(&plist->head);
}
static void avecintc_sync(struct avecintc_data *adata)
void avecintc_sync(struct avecintc_data *adata)
{
struct pending_list *plist;

13
drivers/irqchip/irq-loongson.h
View File

@ -6,6 +6,17 @@
#ifndef _DRIVERS_IRQCHIP_IRQ_LOONGSON_H
#define _DRIVERS_IRQCHIP_IRQ_LOONGSON_H
#define AVEC_MSG_OFFSET 0x100000
struct avecintc_data {
struct list_head entry;
unsigned int cpu;
unsigned int vec;
unsigned int prev_cpu;
unsigned int prev_vec;
unsigned int moving;
};
int find_pch_pic(u32 gsi);
int liointc_acpi_init(struct irq_domain *parent,
@ -24,4 +35,6 @@ int pch_msi_acpi_init(struct irq_domain *parent,
struct acpi_madt_msi_pic *acpi_pchmsi);
int pch_msi_acpi_init_avec(struct irq_domain *parent);
void avecintc_sync(struct avecintc_data *adata);
#endif /* _DRIVERS_IRQCHIP_IRQ_LOONGSON_H */