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Diffstat (limited to 'arch/arm64/kvm/hyp/vgic-v2-sr.c')
-rw-r--r--arch/arm64/kvm/hyp/vgic-v2-sr.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/arm64/kvm/hyp/vgic-v2-sr.c b/arch/arm64/kvm/hyp/vgic-v2-sr.c
deleted file mode 100644
index e71761238cfc..000000000000
--- a/arch/arm64/kvm/hyp/vgic-v2-sr.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2012-2015 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/compiler.h>
-#include <linux/irqchip/arm-gic.h>
-#include <linux/kvm_host.h>
-
-#include <asm/kvm_mmu.h>
-
-#include "hyp.h"
-
-/* vcpu is already in the HYP VA space */
-void __hyp_text __vgic_v2_save_state(struct kvm_vcpu *vcpu)
-{
- struct kvm *kvm = kern_hyp_va(vcpu->kvm);
- struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- struct vgic_dist *vgic = &kvm->arch.vgic;
- void __iomem *base = kern_hyp_va(vgic->vctrl_base);
- u32 eisr0, eisr1, elrsr0, elrsr1;
- int i, nr_lr;
-
- if (!base)
- return;
-
- nr_lr = vcpu->arch.vgic_cpu.nr_lr;
- cpu_if->vgic_vmcr = readl_relaxed(base + GICH_VMCR);
- cpu_if->vgic_misr = readl_relaxed(base + GICH_MISR);
- eisr0 = readl_relaxed(base + GICH_EISR0);
- elrsr0 = readl_relaxed(base + GICH_ELRSR0);
- if (unlikely(nr_lr > 32)) {
- eisr1 = readl_relaxed(base + GICH_EISR1);
- elrsr1 = readl_relaxed(base + GICH_ELRSR1);
- } else {
- eisr1 = elrsr1 = 0;
- }
-#ifdef CONFIG_CPU_BIG_ENDIAN
- cpu_if->vgic_eisr = ((u64)eisr0 << 32) | eisr1;
- cpu_if->vgic_elrsr = ((u64)elrsr0 << 32) | elrsr1;
-#else
- cpu_if->vgic_eisr = ((u64)eisr1 << 32) | eisr0;
- cpu_if->vgic_elrsr = ((u64)elrsr1 << 32) | elrsr0;
-#endif
- cpu_if->vgic_apr = readl_relaxed(base + GICH_APR);
-
- writel_relaxed(0, base + GICH_HCR);
-
- for (i = 0; i < nr_lr; i++)
- cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
-}
-
-/* vcpu is already in the HYP VA space */
-void __hyp_text __vgic_v2_restore_state(struct kvm_vcpu *vcpu)
-{
- struct kvm *kvm = kern_hyp_va(vcpu->kvm);
- struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- struct vgic_dist *vgic = &kvm->arch.vgic;
- void __iomem *base = kern_hyp_va(vgic->vctrl_base);
- int i, nr_lr;
-
- if (!base)
- return;
-
- writel_relaxed(cpu_if->vgic_hcr, base + GICH_HCR);
- writel_relaxed(cpu_if->vgic_vmcr, base + GICH_VMCR);
- writel_relaxed(cpu_if->vgic_apr, base + GICH_APR);
-
- nr_lr = vcpu->arch.vgic_cpu.nr_lr;
- for (i = 0; i < nr_lr; i++)
- writel_relaxed(cpu_if->vgic_lr[i], base + GICH_LR0 + (i * 4));
-}