diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-01-12 13:39:28 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-01-12 15:24:44 +1100 |
| commit | 7f1c410da59090f9bb2300efebbc3b717594d64c (patch) | |
| tree | a01f0e72172aee94f076eabe6fe799e606bdc99e /arch/powerpc/include/asm/xive.h | |
| parent | 12c1f339cd49119e39063ae67f02d936f988c079 (diff) | |
| download | lwn-7f1c410da59090f9bb2300efebbc3b717594d64c.tar.gz lwn-7f1c410da59090f9bb2300efebbc3b717594d64c.zip | |
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.h | 3 |
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 */ |