KVM: arm/arm64: vgic-its: rename itte into ite

The actual abbreviation for the interrupt translation table entry
is ITE. Let's rename all itte instances by ite.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <cdall@linaro.org>

diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index 8d1da1af4b09e47c174cf7151b37b98666f03953..3ffcbbe97523f618c9eb8e534cc5db9c8eb0fead 100644 (file)
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -114,8 +114,8 @@ struct its_collection {
 #define its_is_collection_mapped(coll) ((coll) && \
                                ((coll)->target_addr != COLLECTION_NOT_MAPPED))
 
-struct its_itte {
-       struct list_head itte_list;
+struct its_ite {
+       struct list_head ite_list;
 
        struct vgic_irq *irq;
        struct its_collection *collection;
@@ -143,27 +143,27 @@ static struct its_device *find_its_device(struct vgic_its *its, u32 device_id)
  * Device ID/Event ID pair on an ITS.
  * Must be called with the its_lock mutex held.
  */
-static struct its_itte *find_itte(struct vgic_its *its, u32 device_id,
+static struct its_ite *find_ite(struct vgic_its *its, u32 device_id,
                                  u32 event_id)
 {
        struct its_device *device;
-       struct its_itte *itte;
+       struct its_ite *ite;
 
        device = find_its_device(its, device_id);
        if (device == NULL)
                return NULL;
 
-       list_for_each_entry(itte, &device->itt_head, itte_list)
-               if (itte->event_id == event_id)
-                       return itte;
+       list_for_each_entry(ite, &device->itt_head, ite_list)
+               if (ite->event_id == event_id)
+                       return ite;
 
        return NULL;
 }
 
 /* To be used as an iterator this macro misses the enclosing parentheses */
-#define for_each_lpi_its(dev, itte, its) \
+#define for_each_lpi_its(dev, ite, its) \
        list_for_each_entry(dev, &(its)->device_list, dev_list) \
-               list_for_each_entry(itte, &(dev)->itt_head, itte_list)
+               list_for_each_entry(ite, &(dev)->itt_head, ite_list)
 
 /*
  * We only implement 48 bits of PA at the moment, although the ITS
@@ -270,18 +270,18 @@ static int vgic_copy_lpi_list(struct kvm *kvm, u32 **intid_ptr)
  * Needs to be called whenever either the collection for a LPIs has
  * changed or the collection itself got retargeted.
  */
-static void update_affinity_itte(struct kvm *kvm, struct its_itte *itte)
+static void update_affinity_ite(struct kvm *kvm, struct its_ite *ite)
 {
        struct kvm_vcpu *vcpu;
 
-       if (!its_is_collection_mapped(itte->collection))
+       if (!its_is_collection_mapped(ite->collection))
                return;
 
-       vcpu = kvm_get_vcpu(kvm, itte->collection->target_addr);
+       vcpu = kvm_get_vcpu(kvm, ite->collection->target_addr);
 
-       spin_lock(&itte->irq->irq_lock);
-       itte->irq->target_vcpu = vcpu;
-       spin_unlock(&itte->irq->irq_lock);
+       spin_lock(&ite->irq->irq_lock);
+       ite->irq->target_vcpu = vcpu;
+       spin_unlock(&ite->irq->irq_lock);
 }
 
 /*
@@ -292,13 +292,13 @@ static void update_affinity_collection(struct kvm *kvm, struct vgic_its *its,
                                       struct its_collection *coll)
 {
        struct its_device *device;
-       struct its_itte *itte;
+       struct its_ite *ite;
 
-       for_each_lpi_its(device, itte, its) {
-               if (!itte->collection || coll != itte->collection)
+       for_each_lpi_its(device, ite, its) {
+               if (!ite->collection || coll != ite->collection)
                        continue;
 
-               update_affinity_itte(kvm, itte);
+               update_affinity_ite(kvm, ite);
        }
 }
 
@@ -425,25 +425,25 @@ static int vgic_its_trigger_msi(struct kvm *kvm, struct vgic_its *its,
                                u32 devid, u32 eventid)
 {
        struct kvm_vcpu *vcpu;
-       struct its_itte *itte;
+       struct its_ite *ite;
 
        if (!its->enabled)
                return -EBUSY;
 
-       itte = find_itte(its, devid, eventid);
-       if (!itte || !its_is_collection_mapped(itte->collection))
+       ite = find_ite(its, devid, eventid);
+       if (!ite || !its_is_collection_mapped(ite->collection))
                return E_ITS_INT_UNMAPPED_INTERRUPT;
 
-       vcpu = kvm_get_vcpu(kvm, itte->collection->target_addr);
+       vcpu = kvm_get_vcpu(kvm, ite->collection->target_addr);
        if (!vcpu)
                return E_ITS_INT_UNMAPPED_INTERRUPT;
 
        if (!vcpu->arch.vgic_cpu.lpis_enabled)
                return -EBUSY;
 
-       spin_lock(&itte->irq->irq_lock);
-       itte->irq->pending_latch = true;
-       vgic_queue_irq_unlock(kvm, itte->irq);
+       spin_lock(&ite->irq->irq_lock);
+       ite->irq->pending_latch = true;
+       vgic_queue_irq_unlock(kvm, ite->irq);
 
        return 0;
 }
@@ -511,15 +511,15 @@ int vgic_its_inject_msi(struct kvm *kvm, struct kvm_msi *msi)
 }
 
 /* Requires the its_lock to be held. */
-static void its_free_itte(struct kvm *kvm, struct its_itte *itte)
+static void its_free_ite(struct kvm *kvm, struct its_ite *ite)
 {
-       list_del(&itte->itte_list);
+       list_del(&ite->ite_list);
 
        /* This put matches the get in vgic_add_lpi. */
-       if (itte->irq)
-               vgic_put_irq(kvm, itte->irq);
+       if (ite->irq)
+               vgic_put_irq(kvm, ite->irq);
 
-       kfree(itte);
+       kfree(ite);
 }
 
 static u64 its_cmd_mask_field(u64 *its_cmd, int word, int shift, int size)
@@ -544,17 +544,17 @@ static int vgic_its_cmd_handle_discard(struct kvm *kvm, struct vgic_its *its,
 {
        u32 device_id = its_cmd_get_deviceid(its_cmd);
        u32 event_id = its_cmd_get_id(its_cmd);
-       struct its_itte *itte;
+       struct its_ite *ite;
 
 
-       itte = find_itte(its, device_id, event_id);
-       if (itte && itte->collection) {
+       ite = find_ite(its, device_id, event_id);
+       if (ite && ite->collection) {
                /*
                 * Though the spec talks about removing the pending state, we
                 * don't bother here since we clear the ITTE anyway and the
                 * pending state is a property of the ITTE struct.
                 */
-               its_free_itte(kvm, itte);
+               its_free_ite(kvm, ite);
                return 0;
        }
 
@@ -572,26 +572,26 @@ static int vgic_its_cmd_handle_movi(struct kvm *kvm, struct vgic_its *its,
        u32 event_id = its_cmd_get_id(its_cmd);
        u32 coll_id = its_cmd_get_collection(its_cmd);
        struct kvm_vcpu *vcpu;
-       struct its_itte *itte;
+       struct its_ite *ite;
        struct its_collection *collection;
 
-       itte = find_itte(its, device_id, event_id);
-       if (!itte)
+       ite = find_ite(its, device_id, event_id);
+       if (!ite)
                return E_ITS_MOVI_UNMAPPED_INTERRUPT;
 
-       if (!its_is_collection_mapped(itte->collection))
+       if (!its_is_collection_mapped(ite->collection))
                return E_ITS_MOVI_UNMAPPED_COLLECTION;
 
        collection = find_collection(its, coll_id);
        if (!its_is_collection_mapped(collection))
                return E_ITS_MOVI_UNMAPPED_COLLECTION;
 
-       itte->collection = collection;
+       ite->collection = collection;
        vcpu = kvm_get_vcpu(kvm, collection->target_addr);
 
-       spin_lock(&itte->irq->irq_lock);
-       itte->irq->target_vcpu = vcpu;
-       spin_unlock(&itte->irq->irq_lock);
+       spin_lock(&ite->irq->irq_lock);
+       ite->irq->target_vcpu = vcpu;
+       spin_unlock(&ite->irq->irq_lock);
 
        return 0;
 }
@@ -679,7 +679,7 @@ static void vgic_its_free_collection(struct vgic_its *its, u32 coll_id)
 {
        struct its_collection *collection;
        struct its_device *device;
-       struct its_itte *itte;
+       struct its_ite *ite;
 
        /*
         * Clearing the mapping for that collection ID removes the
@@ -690,10 +690,10 @@ static void vgic_its_free_collection(struct vgic_its *its, u32 coll_id)
        if (!collection)
                return;
 
-       for_each_lpi_its(device, itte, its)
-               if (itte->collection &&
-                   itte->collection->collection_id == coll_id)
-                       itte->collection = NULL;
+       for_each_lpi_its(device, ite, its)
+               if (ite->collection &&
+                   ite->collection->collection_id == coll_id)
+                       ite->collection = NULL;
 
        list_del(&collection->coll_list);
        kfree(collection);
@@ -709,7 +709,7 @@ static int vgic_its_cmd_handle_mapi(struct kvm *kvm, struct vgic_its *its,
        u32 device_id = its_cmd_get_deviceid(its_cmd);
        u32 event_id = its_cmd_get_id(its_cmd);
        u32 coll_id = its_cmd_get_collection(its_cmd);
-       struct its_itte *itte;
+       struct its_ite *ite;
        struct its_device *device;
        struct its_collection *collection, *new_coll = NULL;
        int lpi_nr;
@@ -728,7 +728,7 @@ static int vgic_its_cmd_handle_mapi(struct kvm *kvm, struct vgic_its *its,
                return E_ITS_MAPTI_PHYSICALID_OOR;
 
        /* If there is an existing mapping, behavior is UNPREDICTABLE. */
-       if (find_itte(its, device_id, event_id))
+       if (find_ite(its, device_id, event_id))
                return 0;
 
        collection = find_collection(its, coll_id);
@@ -739,36 +739,36 @@ static int vgic_its_cmd_handle_mapi(struct kvm *kvm, struct vgic_its *its,
                new_coll = collection;
        }
 
-       itte = kzalloc(sizeof(struct its_itte), GFP_KERNEL);
-       if (!itte) {
+       ite = kzalloc(sizeof(struct its_ite), GFP_KERNEL);
+       if (!ite) {
                if (new_coll)
                        vgic_its_free_collection(its, coll_id);
                return -ENOMEM;
        }
 
-       itte->event_id  = event_id;
-       list_add_tail(&itte->itte_list, &device->itt_head);
+       ite->event_id   = event_id;
+       list_add_tail(&ite->ite_list, &device->itt_head);
 
-       itte->collection = collection;
-       itte->lpi = lpi_nr;
+       ite->collection = collection;
+       ite->lpi = lpi_nr;
 
        irq = vgic_add_lpi(kvm, lpi_nr);
        if (IS_ERR(irq)) {
                if (new_coll)
                        vgic_its_free_collection(its, coll_id);
-               its_free_itte(kvm, itte);
+               its_free_ite(kvm, ite);
                return PTR_ERR(irq);
        }
-       itte->irq = irq;
+       ite->irq = irq;
 
-       update_affinity_itte(kvm, itte);
+       update_affinity_ite(kvm, ite);
 
        /*
         * We "cache" the configuration table entries in out struct vgic_irq's.
         * However we only have those structs for mapped IRQs, so we read in
         * the respective config data from memory here upon mapping the LPI.
         */
-       update_lpi_config(kvm, itte->irq, NULL);
+       update_lpi_config(kvm, ite->irq, NULL);
 
        return 0;
 }
@@ -776,15 +776,15 @@ static int vgic_its_cmd_handle_mapi(struct kvm *kvm, struct vgic_its *its,
 /* Requires the its_lock to be held. */
 static void vgic_its_unmap_device(struct kvm *kvm, struct its_device *device)
 {
-       struct its_itte *itte, *temp;
+       struct its_ite *ite, *temp;
 
        /*
         * The spec says that unmapping a device with still valid
         * ITTEs associated is UNPREDICTABLE. We remove all ITTEs,
         * since we cannot leave the memory unreferenced.
         */
-       list_for_each_entry_safe(itte, temp, &device->itt_head, itte_list)
-               its_free_itte(kvm, itte);
+       list_for_each_entry_safe(ite, temp, &device->itt_head, ite_list)
+               its_free_ite(kvm, ite);
 
        list_del(&device->dev_list);
        kfree(device);
@@ -883,14 +883,14 @@ static int vgic_its_cmd_handle_clear(struct kvm *kvm, struct vgic_its *its,
 {
        u32 device_id = its_cmd_get_deviceid(its_cmd);
        u32 event_id = its_cmd_get_id(its_cmd);
-       struct its_itte *itte;
+       struct its_ite *ite;
 
 
-       itte = find_itte(its, device_id, event_id);
-       if (!itte)
+       ite = find_ite(its, device_id, event_id);
+       if (!ite)
                return E_ITS_CLEAR_UNMAPPED_INTERRUPT;
 
-       itte->irq->pending_latch = false;
+       ite->irq->pending_latch = false;
 
        return 0;
 }
@@ -904,14 +904,14 @@ static int vgic_its_cmd_handle_inv(struct kvm *kvm, struct vgic_its *its,
 {
        u32 device_id = its_cmd_get_deviceid(its_cmd);
        u32 event_id = its_cmd_get_id(its_cmd);
-       struct its_itte *itte;
+       struct its_ite *ite;
 
 
-       itte = find_itte(its, device_id, event_id);
-       if (!itte)
+       ite = find_ite(its, device_id, event_id);
+       if (!ite)
                return E_ITS_INV_UNMAPPED_INTERRUPT;
 
-       return update_lpi_config(kvm, itte->irq, NULL);
+       return update_lpi_config(kvm, ite->irq, NULL);
 }
 
 /*
@@ -1435,7 +1435,7 @@ static void vgic_its_destroy(struct kvm_device *kvm_dev)
        struct kvm *kvm = kvm_dev->kvm;
        struct vgic_its *its = kvm_dev->private;
        struct its_device *dev;
-       struct its_itte *itte;
+       struct its_ite *ite;
        struct list_head *dev_cur, *dev_temp;
        struct list_head *cur, *temp;
 
@@ -1450,8 +1450,8 @@ static void vgic_its_destroy(struct kvm_device *kvm_dev)
        list_for_each_safe(dev_cur, dev_temp, &its->device_list) {
                dev = container_of(dev_cur, struct its_device, dev_list);
                list_for_each_safe(cur, temp, &dev->itt_head) {
-                       itte = (container_of(cur, struct its_itte, itte_list));
-                       its_free_itte(kvm, itte);
+                       ite = (container_of(cur, struct its_ite, ite_list));
+                       its_free_ite(kvm, ite);
                }
                list_del(dev_cur);
                kfree(dev);