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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2018-01-12 13:39:28 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2018-01-12 15:24:44 +1100
commit7f1c410da59090f9bb2300efebbc3b717594d64c (patch)
treea01f0e72172aee94f076eabe6fe799e606bdc99e /arch/powerpc/include/asm/xive.h
parent12c1f339cd49119e39063ae67f02d936f988c079 (diff)
powerpc/xive: Add interrupt flag to disable automatic EOI
This will be used by KVM in order to keep escalation interrupts in the non-EOI (masked) state after they fire. They will be re-enabled directly in HW by KVM when needed. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/xive.h')
-rw-r--r--arch/powerpc/include/asm/xive.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
index 0e77005cf021..b619a5585cd6 100644
--- a/arch/powerpc/include/asm/xive.h
+++ b/arch/powerpc/include/asm/xive.h
@@ -58,6 +58,9 @@ struct xive_irq_data {
#define XIVE_IRQ_FLAG_EOI_FW 0x10
#define XIVE_IRQ_FLAG_H_INT_ESB 0x20
+/* Special flag set by KVM for excalation interrupts */
+#define XIVE_IRQ_NO_EOI 0x80
+
#define XIVE_INVALID_CHIP_ID -1
/* A queue tracking structure in a CPU */