KVM: arm/arm64: rename struct kvm_mmio_range to vgic_io_range

The name "kvm_mmio_range" is a bit bold, given that it only covers
the VGIC's MMIO ranges. To avoid confusion with kvm_io_range, rename
it to vgic_io_range.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

virt/kvm/arm/vgic-v2-emul.c

@@ -319,7 +319,7 @@ static bool handle_mmio_sgi_clear(struct kvm_vcpu *vcpu,
 		return write_set_clear_sgi_pend_reg(vcpu, mmio, offset, false);
 }
 
-static const struct kvm_mmio_range vgic_dist_ranges[] = {
+static const struct vgic_io_range vgic_dist_ranges[] = {
 	{
 		.base		= GIC_DIST_CTRL,
 		.len		= 12,
@@ -647,7 +647,7 @@ static bool handle_cpu_mmio_ident(struct kvm_vcpu *vcpu,
  * CPU Interface Register accesses - these are not accessed by the VM, but by
  * user space for saving and restoring VGIC state.
  */
-static const struct kvm_mmio_range vgic_cpu_ranges[] = {
+static const struct vgic_io_range vgic_cpu_ranges[] = {
 	{
 		.base		= GIC_CPU_CTRL,
 		.len		= 12,
@@ -674,7 +674,7 @@ static int vgic_attr_regs_access(struct kvm_device *dev,
 				 struct kvm_device_attr *attr,
 				 u32 *reg, bool is_write)
 {
-	const struct kvm_mmio_range *r = NULL, *ranges;
+	const struct vgic_io_range *r = NULL, *ranges;
 	phys_addr_t offset;
 	int ret, cpuid, c;
 	struct kvm_vcpu *vcpu, *tmp_vcpu;

virt/kvm/arm/vgic-v3-emul.c

@@ -340,7 +340,7 @@ static bool handle_mmio_idregs(struct kvm_vcpu *vcpu,
 	return false;
 }
 
-static const struct kvm_mmio_range vgic_v3_dist_ranges[] = {
+static const struct vgic_io_range vgic_v3_dist_ranges[] = {
 	{
 		.base           = GICD_CTLR,
 		.len            = 0x04,
@@ -570,7 +570,7 @@ static bool handle_mmio_cfg_reg_redist(struct kvm_vcpu *vcpu,
 	return vgic_handle_cfg_reg(reg, mmio, offset);
 }
 
-static const struct kvm_mmio_range vgic_redist_sgi_ranges[] = {
+static const struct vgic_io_range vgic_redist_sgi_ranges[] = {
 	{
 		.base		= GICR_IGROUPR0,
 		.len		= 0x04,
@@ -676,7 +676,7 @@ static bool handle_mmio_typer_redist(struct kvm_vcpu *vcpu,
 	return false;
 }
 
-static const struct kvm_mmio_range vgic_redist_ranges[] = {
+static const struct vgic_io_range vgic_redist_ranges[] = {
 	{
 		.base           = GICR_CTLR,
 		.len            = 0x04,
@@ -726,7 +726,7 @@ static bool vgic_v3_handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *run,
 	unsigned long rdbase = dist->vgic_redist_base;
 	int nrcpus = atomic_read(&vcpu->kvm->online_vcpus);
 	int vcpu_id;
-	const struct kvm_mmio_range *mmio_range;
+	const struct vgic_io_range *mmio_range;
 
 	if (is_in_range(mmio->phys_addr, mmio->len, dbase, GIC_V3_DIST_SIZE)) {
 		return vgic_handle_mmio_range(vcpu, run, mmio,

virt/kvm/arm/vgic.c

@@ -712,11 +712,11 @@ void vgic_unqueue_irqs(struct kvm_vcpu *vcpu)
 }
 
 const
-struct kvm_mmio_range *vgic_find_range(const struct kvm_mmio_range *ranges,
-				       struct kvm_exit_mmio *mmio,
-				       phys_addr_t offset)
+struct vgic_io_range *vgic_find_range(const struct vgic_io_range *ranges,
+				      struct kvm_exit_mmio *mmio,
+				      phys_addr_t offset)
 {
-	const struct kvm_mmio_range *r = ranges;
+	const struct vgic_io_range *r = ranges;
 
 	while (r->len) {
 		if (offset >= r->base &&
@@ -729,7 +729,7 @@ struct kvm_mmio_range *vgic_find_range(const struct kvm_mmio_range *ranges,
 }
 
 static bool vgic_validate_access(const struct vgic_dist *dist,
-				 const struct kvm_mmio_range *range,
+				 const struct vgic_io_range *range,
 				 unsigned long offset)
 {
 	int irq;
@@ -757,7 +757,7 @@ static bool vgic_validate_access(const struct vgic_dist *dist,
 static bool call_range_handler(struct kvm_vcpu *vcpu,
 			       struct kvm_exit_mmio *mmio,
 			       unsigned long offset,
-			       const struct kvm_mmio_range *range)
+			       const struct vgic_io_range *range)
 {
 	u32 *data32 = (void *)mmio->data;
 	struct kvm_exit_mmio mmio32;
@@ -804,10 +804,10 @@ static bool call_range_handler(struct kvm_vcpu *vcpu,
  */
 bool vgic_handle_mmio_range(struct kvm_vcpu *vcpu, struct kvm_run *run,
 			    struct kvm_exit_mmio *mmio,
-			    const struct kvm_mmio_range *ranges,
+			    const struct vgic_io_range *ranges,
 			    unsigned long mmio_base)
 {
-	const struct kvm_mmio_range *range;
+	const struct vgic_io_range *range;
 	struct vgic_dist *dist = &vcpu->kvm->arch.vgic;
 	bool updated_state;
 	unsigned long offset;
@@ -1984,7 +1984,7 @@ int vgic_get_common_attr(struct kvm_device *dev, struct kvm_device_attr *attr)
 	return r;
 }
 
-int vgic_has_attr_regs(const struct kvm_mmio_range *ranges, phys_addr_t offset)
+int vgic_has_attr_regs(const struct vgic_io_range *ranges, phys_addr_t offset)
 {
 	struct kvm_exit_mmio dev_attr_mmio;
 

virt/kvm/arm/vgic.h

@@ -74,7 +74,7 @@ void mmio_data_write(struct kvm_exit_mmio *mmio, u32 mask, u32 value)
 	*((u32 *)mmio->data) = cpu_to_le32(value) & mask;
 }
 
-struct kvm_mmio_range {
+struct vgic_io_range {
 	phys_addr_t base;
 	unsigned long len;
 	int bits_per_irq;
@@ -89,13 +89,13 @@ static inline bool is_in_range(phys_addr_t addr, unsigned long len,
 }
 
 const
-struct kvm_mmio_range *vgic_find_range(const struct kvm_mmio_range *ranges,
-				       struct kvm_exit_mmio *mmio,
-				       phys_addr_t offset);
+struct vgic_io_range *vgic_find_range(const struct vgic_io_range *ranges,
+				      struct kvm_exit_mmio *mmio,
+				      phys_addr_t offset);
 
 bool vgic_handle_mmio_range(struct kvm_vcpu *vcpu, struct kvm_run *run,
 			    struct kvm_exit_mmio *mmio,
-			    const struct kvm_mmio_range *ranges,
+			    const struct vgic_io_range *ranges,
 			    unsigned long mmio_base);
 
 bool vgic_handle_enable_reg(struct kvm *kvm, struct kvm_exit_mmio *mmio,
@@ -120,7 +120,7 @@ bool vgic_handle_cfg_reg(u32 *reg, struct kvm_exit_mmio *mmio,
 
 void vgic_kick_vcpus(struct kvm *kvm);
 
-int vgic_has_attr_regs(const struct kvm_mmio_range *ranges, phys_addr_t offset);
+int vgic_has_attr_regs(const struct vgic_io_range *ranges, phys_addr_t offset);
 int vgic_set_common_attr(struct kvm_device *dev, struct kvm_device_attr *attr);
 int vgic_get_common_attr(struct kvm_device *dev, struct kvm_device_attr *attr);