Commit 59991153 authored by Sascha Bischoff's avatar Sascha Bischoff Committed by Marc Zyngier
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arm64/sysreg: Add GICR CDNMIA encoding 



The encoding for the GICR CDNMIA system instruction is thus far unused
(and shall remain unused for the time being). However, in order to
plumb the FGTs into KVM correctly, KVM needs to be made aware of the
encoding of this system instruction.

Signed-off-by: default avatarSascha Bischoff <sascha.bischoff@arm.com>
Reviewed-by: default avatarJonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20260319154937.3619520-8-sascha.bischoff@arm.com


Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 2808a833

arch/arm64/include/asm/sysreg.h

+7 −0
Original line number Diff line number Diff line
@@ -1052,6 +1052,7 @@ 
#define GICV5_OP_GIC_CDPRI		sys_insn(1, 0, 12, 1, 2)

#define GICV5_OP_GIC_CDRCFG		sys_insn(1, 0, 12, 1, 5)

#define GICV5_OP_GICR_CDIA		sys_insn(1, 0, 12, 3, 0)

#define GICV5_OP_GICR_CDNMIA		sys_insn(1, 0, 12, 3, 1)



/* Definitions for GIC CDAFF */

#define GICV5_GIC_CDAFF_IAFFID_MASK	GENMASK_ULL(47, 32)
@@ -1098,6 +1099,12 @@ 
#define GICV5_GIC_CDIA_TYPE_MASK	GENMASK_ULL(31, 29)

#define GICV5_GIC_CDIA_ID_MASK		GENMASK_ULL(23, 0)



/* Definitions for GICR CDNMIA */

#define GICV5_GICR_CDNMIA_VALID_MASK	BIT_ULL(32)

#define GICV5_GICR_CDNMIA_VALID(r)	FIELD_GET(GICV5_GICR_CDNMIA_VALID_MASK, r)

#define GICV5_GICR_CDNMIA_TYPE_MASK	GENMASK_ULL(31, 29)

#define GICV5_GICR_CDNMIA_ID_MASK	GENMASK_ULL(23, 0)



#define gicr_insn(insn)			read_sysreg_s(GICV5_OP_GICR_##insn)

#define gic_insn(v, insn)		write_sysreg_s(v, GICV5_OP_GIC_##insn)