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-rw-r--r--arch/arm/include/asm/kvm_arm.h51
-rw-r--r--arch/arm/include/asm/kvm_host.h13
2 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h
index d64b5250ad4e..c69936b1fc53 100644
--- a/arch/arm/include/asm/kvm_arm.h
+++ b/arch/arm/include/asm/kvm_arm.h
@@ -98,6 +98,18 @@
#define TTBCR_T0SZ 3
#define HTCR_MASK (TTBCR_T0SZ | TTBCR_IRGN0 | TTBCR_ORGN0 | TTBCR_SH0)
+/* Hyp System Trap Register */
+#define HSTR_T(x) (1 << x)
+#define HSTR_TTEE (1 << 16)
+#define HSTR_TJDBX (1 << 17)
+
+/* Hyp Coprocessor Trap Register */
+#define HCPTR_TCP(x) (1 << x)
+#define HCPTR_TCP_MASK (0x3fff)
+#define HCPTR_TASE (1 << 15)
+#define HCPTR_TTA (1 << 20)
+#define HCPTR_TCPAC (1 << 31)
+
/* Hyp Debug Configuration Register bits */
#define HDCR_TDRA (1 << 11)
#define HDCR_TDOSA (1 << 10)
@@ -144,6 +156,45 @@
#else
#define VTTBR_X (5 - KVM_T0SZ)
#endif
+#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
+#define VTTBR_BADDR_MASK (((1LLU << (40 - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
+#define VTTBR_VMID_SHIFT (48LLU)
+#define VTTBR_VMID_MASK (0xffLLU << VTTBR_VMID_SHIFT)
+
+/* Hyp Syndrome Register (HSR) bits */
+#define HSR_EC_SHIFT (26)
+#define HSR_EC (0x3fU << HSR_EC_SHIFT)
+#define HSR_IL (1U << 25)
+#define HSR_ISS (HSR_IL - 1)
+#define HSR_ISV_SHIFT (24)
+#define HSR_ISV (1U << HSR_ISV_SHIFT)
+#define HSR_FSC (0x3f)
+#define HSR_FSC_TYPE (0x3c)
+#define HSR_WNR (1 << 6)
+
+#define FSC_FAULT (0x04)
+#define FSC_PERM (0x0c)
+
+/* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
+#define HPFAR_MASK (~0xf)
+#define HSR_EC_UNKNOWN (0x00)
+#define HSR_EC_WFI (0x01)
+#define HSR_EC_CP15_32 (0x03)
+#define HSR_EC_CP15_64 (0x04)
+#define HSR_EC_CP14_MR (0x05)
+#define HSR_EC_CP14_LS (0x06)
+#define HSR_EC_CP_0_13 (0x07)
+#define HSR_EC_CP10_ID (0x08)
+#define HSR_EC_JAZELLE (0x09)
+#define HSR_EC_BXJ (0x0A)
+#define HSR_EC_CP14_64 (0x0C)
+#define HSR_EC_SVC_HYP (0x11)
+#define HSR_EC_HVC (0x12)
+#define HSR_EC_SMC (0x13)
+#define HSR_EC_IABT (0x20)
+#define HSR_EC_IABT_HYP (0x21)
+#define HSR_EC_DABT (0x24)
+#define HSR_EC_DABT_HYP (0x25)
#endif /* __ARM_KVM_ARM_H__ */
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 3636c7ea4eb2..7a121089c733 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -21,6 +21,7 @@
#include <asm/kvm.h>
#include <asm/kvm_asm.h>
+#include <asm/fpstate.h>
#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
#define KVM_MEMORY_SLOTS 32
@@ -85,6 +86,14 @@ struct kvm_vcpu_arch {
u32 hxfar; /* Hyp Data/Inst Fault Address Register */
u32 hpfar; /* Hyp IPA Fault Address Register */
+ /* Floating point registers (VFP and Advanced SIMD/NEON) */
+ struct vfp_hard_struct vfp_guest;
+ struct vfp_hard_struct *vfp_host;
+
+ /*
+ * Anything that is not used directly from assembly code goes
+ * here.
+ */
/* Interrupt related fields */
u32 irq_lines; /* IRQ and FIQ levels */
@@ -93,6 +102,9 @@ struct kvm_vcpu_arch {
/* Cache some mmu pages needed inside spinlock regions */
struct kvm_mmu_memory_cache mmu_page_cache;
+
+ /* Detect first run of a vcpu */
+ bool has_run_once;
};
struct kvm_vm_stat {
@@ -112,6 +124,7 @@ struct kvm_one_reg;
int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
u64 kvm_call_hyp(void *hypfn, ...);
+void force_vm_exit(const cpumask_t *mask);
#define KVM_ARCH_WANT_MMU_NOTIFIER
struct kvm;