Merge tag 'kvm-arm-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm...

[deliverable/linux.git] / virt / kvm / arm / vgic / vgic-mmio.h

diff --git a/virt/kvm/arm/vgic/vgic-mmio.h b/virt/kvm/arm/vgic/vgic-mmio.h
index 850901482aecd933d1a1c5baac721c22e2643b02..0b3ecf9d100eca59b27b84f2aa6d1461536443b5 100644 (file)
--- a/virt/kvm/arm/vgic/vgic-mmio.h
+++ b/virt/kvm/arm/vgic/vgic-mmio.h
@@ -21,10 +21,19 @@ struct vgic_register_region {
        unsigned int len;
        unsigned int bits_per_irq;
        unsigned int access_flags;
-       unsigned long (*read)(struct kvm_vcpu *vcpu, gpa_t addr,
-                             unsigned int len);
-       void (*write)(struct kvm_vcpu *vcpu, gpa_t addr, unsigned int len,
-                     unsigned long val);
+       union {
+               unsigned long (*read)(struct kvm_vcpu *vcpu, gpa_t addr,
+                                     unsigned int len);
+               unsigned long (*its_read)(struct kvm *kvm, struct vgic_its *its,
+                                         gpa_t addr, unsigned int len);
+       };
+       union {
+               void (*write)(struct kvm_vcpu *vcpu, gpa_t addr,
+                             unsigned int len, unsigned long val);
+               void (*its_write)(struct kvm *kvm, struct vgic_its *its,
+                                 gpa_t addr, unsigned int len,
+                                 unsigned long val);
+       };
 };
 
 extern struct kvm_io_device_ops kvm_io_gic_ops;
@@ -87,6 +96,12 @@ unsigned long vgic_data_mmio_bus_to_host(const void *val, unsigned int len);
 void vgic_data_host_to_mmio_bus(void *buf, unsigned int len,
                                unsigned long data);
 
+unsigned long extract_bytes(unsigned long data, unsigned int offset,
+                           unsigned int num);
+
+u64 update_64bit_reg(u64 reg, unsigned int offset, unsigned int len,
+                    unsigned long val);
+
 unsigned long vgic_mmio_read_raz(struct kvm_vcpu *vcpu,
                                 gpa_t addr, unsigned int len);
 
@@ -147,4 +162,12 @@ unsigned int vgic_v2_init_dist_iodev(struct vgic_io_device *dev);
 
 unsigned int vgic_v3_init_dist_iodev(struct vgic_io_device *dev);
 
+#ifdef CONFIG_KVM_ARM_VGIC_V3
+u64 vgic_sanitise_outer_cacheability(u64 reg);
+u64 vgic_sanitise_inner_cacheability(u64 reg);
+u64 vgic_sanitise_shareability(u64 reg);
+u64 vgic_sanitise_field(u64 reg, u64 field_mask, int field_shift,
+                       u64 (*sanitise_fn)(u64));
+#endif
+
 #endif