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KVM: arm64: vgic-v3: Make vtr_to_* helpers use architectural field symbols

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vgic-v3-sr.c still contains some hardcoded constants for some of
the ICH)VTR_EL2 fields. Bring them into the modern world by using
the named symbols from the sysreg file.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://patch.msgid.link/20260721170754.3150521-2-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
This commit is contained in:
Marc Zyngier 2026-07-21 18:07:49 +01:00 committed by Oliver Upton
parent a13c140cc2
commit 719e67103c
1 changed files with 3 additions and 3 deletions
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6
arch/arm64/kvm/hyp/vgic-v3-sr.c
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@ -16,9 +16,9 @@
#include "../../vgic/vgic.h"
#define vtr_to_max_lr_idx(v) ((v) & 0xf)
#define vtr_to_nr_pre_bits(v) ((((u32)(v) >> 26) & 7) + 1)
#define vtr_to_nr_apr_regs(v) (1 << (vtr_to_nr_pre_bits(v) - 5))
#define vtr_to_max_lr_idx(v) FIELD_GET(ICH_VTR_EL2_ListRegs, (v))
#define vtr_to_nr_pre_bits(v) (FIELD_GET(ICH_VTR_EL2_PREbits, (v)) + 1)
#define vtr_to_nr_apr_regs(v) BIT(vtr_to_nr_pre_bits(v) - 5)
u64 __gic_v3_get_lr(unsigned int lr)
{