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lib: sbi_irqchip: Allow setting hardware interrupt affinity

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The irqchip drivers can provide mechanism to set interrupt affinity
so add hwirq_set_affinity() callback for irqchip drivers and use it
to implement sbi_irqchip_set_affinity() which can be used by other
drivers.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260423052339.356900-6-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2026-04-23 10:53:38 +05:30
committed by Anup Patel
parent d861447b0b
commit c0d0dd02b1
2 changed files with 133 additions and 1 deletions
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include/sbi/sbi_irqchip.h
+11
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@@ -60,6 +60,10 @@ struct sbi_irqchip_device {
/** End of hardware interrupt of this irqchip */
void (*hwirq_eoi)(struct sbi_irqchip_device *chip, u32 hwirq);
/** Set hardware interrupt affinity */
int (*hwirq_set_affinity)(struct sbi_irqchip_device *chip, u32 hwirq,
u32 hart_index);
/** Mask a hardware interrupt of this irqchip */
void (*hwirq_mask)(struct sbi_irqchip_device *chip, u32 hwirq);
@@ -98,6 +102,13 @@ int sbi_irqchip_raw_handler_default(struct sbi_irqchip_device *chip, u32 hwirq);
int sbi_irqchip_set_raw_handler(struct sbi_irqchip_device *chip, u32 hwirq,
int (*raw_hndl)(struct sbi_irqchip_device *, u32));
/** Get hardware interrupt affinity */
int sbi_irqchip_get_affinity(struct sbi_irqchip_device *chip, u32 hwirq,
u32 *out_hart_index);
/** Set hardware interrupt affinity */
int sbi_irqchip_set_affinity(struct sbi_irqchip_device *chip, u32 hwirq, u32 hart_index);
/** Register a hardware interrupt handler */
int sbi_irqchip_register_handler(struct sbi_irqchip_device *chip,
u32 first_hwirq, u32 num_hwirq, u32 hwirq_flags,