183 	struct its_collection *collection;  member
189  * @cte_esz: collection table entry size
289  * Finds and returns a collection in the ITS collection table.
294 	struct its_collection *collection;  in find_collection()  local
296 	list_for_each_entry(collection, &its->collection_list, coll_list) {  in find_collection()
297 		if (coll_id == collection->collection_id)  in find_collection()
298 			return collection;  in find_collection()
383  * Needs to be called whenever either the collection for a LPIs has
384  * changed or the collection itself got retargeted.
390 	if (!its_is_collection_mapped(ite->collection))  in update_affinity_ite()
393 	vcpu = collection_to_vcpu(kvm, ite->collection);  in update_affinity_ite()
398  * Updates the target VCPU for every LPI targeting this collection.
408 		if (ite->collection != coll)  in update_affinity_collection()
671 	if (!ite || !its_is_collection_mapped(ite->collection))  in vgic_its_resolve_lpi()
674 	vcpu = collection_to_vcpu(kvm, ite->collection);  in vgic_its_resolve_lpi()
829 	if (ite && its_is_collection_mapped(ite->collection)) {  in vgic_its_cmd_handle_discard()
849  * The MOVI command moves an ITTE to a different collection.
860 	struct its_collection *collection;  in vgic_its_cmd_handle_movi()  local
866 	if (!its_is_collection_mapped(ite->collection))  in vgic_its_cmd_handle_movi()
869 	collection = find_collection(its, coll_id);  in vgic_its_cmd_handle_movi()
870 	if (!its_is_collection_mapped(collection))  in vgic_its_cmd_handle_movi()
873 	ite->collection = collection;  in vgic_its_cmd_handle_movi()
874 	vcpu = collection_to_vcpu(kvm, collection);  in vgic_its_cmd_handle_movi()
915 		/* as GITS_TYPER.CIL == 0, ITS supports 16-bit collection ID */  in vgic_its_check_id()
987  * Add a new collection into the ITS collection table.
994 	struct its_collection *collection;  in vgic_its_alloc_collection()  local
996 	collection = kzalloc(sizeof(*collection), GFP_KERNEL_ACCOUNT);  in vgic_its_alloc_collection()
997 	if (!collection)  in vgic_its_alloc_collection()
1000 	collection->collection_id = coll_id;  in vgic_its_alloc_collection()
1001 	collection->target_addr = COLLECTION_NOT_MAPPED;  in vgic_its_alloc_collection()
1003 	list_add_tail(&collection->coll_list, &its->collection_list);  in vgic_its_alloc_collection()
1004 	*colp = collection;  in vgic_its_alloc_collection()
1011 	struct its_collection *collection;  in vgic_its_free_collection()  local
1016 	 * Clearing the mapping for that collection ID removes the  in vgic_its_free_collection()
1020 	collection = find_collection(its, coll_id);  in vgic_its_free_collection()
1021 	if (!collection)  in vgic_its_free_collection()
1025 		if (ite->collection &&  in vgic_its_free_collection()
1026 		    ite->collection->collection_id == coll_id)  in vgic_its_free_collection()
1027 			ite->collection = NULL;  in vgic_its_free_collection()
1029 	list_del(&collection->coll_list);  in vgic_its_free_collection()
1030 	kfree(collection);  in vgic_its_free_collection()
1035 					  struct its_collection *collection,  in vgic_its_alloc_ite()  argument
1045 	ite->collection = collection;  in vgic_its_alloc_ite()
1064 	struct its_collection *collection, *new_coll = NULL;  in vgic_its_cmd_handle_mapi()  local
1087 	collection = find_collection(its, coll_id);  in vgic_its_cmd_handle_mapi()
1088 	if (!collection) {  in vgic_its_cmd_handle_mapi()
1094 		ret = vgic_its_alloc_collection(its, &collection, coll_id);  in vgic_its_cmd_handle_mapi()
1097 		new_coll = collection;  in vgic_its_cmd_handle_mapi()
1100 	ite = vgic_its_alloc_ite(device, collection, event_id);  in vgic_its_cmd_handle_mapi()
1107 	if (its_is_collection_mapped(collection))  in vgic_its_cmd_handle_mapi()
1108 		vcpu = collection_to_vcpu(kvm, collection);  in vgic_its_cmd_handle_mapi()
1224  * The MAPC command maps collection IDs to redistributors.
1231 	struct its_collection *collection;  in vgic_its_cmd_handle_mapc()  local
1247 		collection = find_collection(its, coll_id);  in vgic_its_cmd_handle_mapc()
1249 		if (!collection) {  in vgic_its_cmd_handle_mapc()
1256 			ret = vgic_its_alloc_collection(its, &collection,  in vgic_its_cmd_handle_mapc()
1260 			collection->target_addr = vcpu->vcpu_id;  in vgic_its_cmd_handle_mapc()
1262 			collection->target_addr = vcpu->vcpu_id;  in vgic_its_cmd_handle_mapc()
1263 			update_affinity_collection(kvm, its, collection);  in vgic_its_cmd_handle_mapc()
1324  * collection, and we don't need to hold the its_lock, since no ITS is
1350  * The INVALL command requests flushing of all IRQ data in this collection.
1351  * Find the VCPU mapped to that collection, then iterate over the VM's list
1361 	struct its_collection *collection;  in vgic_its_cmd_handle_invall()  local
1364 	collection = find_collection(its, coll_id);  in vgic_its_cmd_handle_invall()
1365 	if (!its_is_collection_mapped(collection))  in vgic_its_cmd_handle_invall()
1368 	vcpu = collection_to_vcpu(kvm, collection);  in vgic_its_cmd_handle_invall()
1752 	 * device/collection BASER are invalid  in vgic_mmio_write_its_ctlr()
2145 		ite->collection->collection_id;  in vgic_its_save_ite()
2163 	struct its_collection *collection;  in vgic_its_restore_ite()  local
2190 	collection = find_collection(its, coll_id);  in vgic_its_restore_ite()
2191 	if (!collection)  in vgic_its_restore_ite()
2197 	ite = vgic_its_alloc_ite(dev, collection, event_id);  in vgic_its_restore_ite()
2201 	if (its_is_collection_mapped(collection))  in vgic_its_restore_ite()
2202 		vcpu = kvm_get_vcpu_by_id(kvm, collection->target_addr);  in vgic_its_restore_ite()
2478 			     struct its_collection *collection,  in vgic_its_save_cte()  argument
2484 	       ((u64)collection->target_addr << KVM_ITS_CTE_RDBASE_SHIFT) |  in vgic_its_save_cte()
2485 	       collection->collection_id);  in vgic_its_save_cte()
2492  * Restore a collection entry into the ITS collection table.
2498 	struct its_collection *collection;  in vgic_its_restore_cte()  local
2518 	collection = find_collection(its, coll_id);  in vgic_its_restore_cte()
2519 	if (collection)  in vgic_its_restore_cte()
2525 	ret = vgic_its_alloc_collection(its, &collection, coll_id);  in vgic_its_restore_cte()
2528 	collection->target_addr = target_addr;  in vgic_its_restore_cte()
2533  * vgic_its_save_collection_table - Save the collection table into
2541 	struct its_collection *collection;  in vgic_its_save_collection_table()  local
2550 	list_for_each_entry(collection, &its->collection_list, coll_list) {  in vgic_its_save_collection_table()
2551 		ret = vgic_its_save_cte(its, collection, gpa);  in vgic_its_save_collection_table()
2569  * vgic_its_restore_collection_table - reads the collection table