On 25/05/18 10:49, Julien Thierry wrote:
Provide a way to set a GICv3 interrupt as pseudo-NMI. The interrupt
must not be enabled when setting/clearing the NMI status of the interrupt.
Signed-off-by: Julien Thierry <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Marc Zyngier <[email protected]>
---
drivers/irqchip/irq-gic-v3.c | 54 ++++++++++++++++++++++++++++++++++++++++++++
include/linux/interrupt.h | 1 +
2 files changed, 55 insertions(+)
[...]
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 5426627..02c794f 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -419,6 +419,7 @@ enum irqchip_irq_state {
IRQCHIP_STATE_ACTIVE, /* Is interrupt in progress? */
IRQCHIP_STATE_MASKED, /* Is interrupt masked? */
IRQCHIP_STATE_LINE_LEVEL, /* Is IRQ line high? */
+ IRQCHIP_STATE_NMI, /* Is IRQ an NMI? */
};
After discussing with Thomas, NMI setting should not be exposed/managed
through the generic irq interface.
--
Julien Thierry
