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author | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 13:47:57 +0100 |
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committer | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 16:32:51 +0100 |
commit | bac3da61644515f05663789b122554dc77549286 (patch) | |
tree | 898210bc8e70371d77de7d446a26c5dd4fd1165a /hicn-plugin/src/cache_policies/cs_policy.h | |
parent | d5165246787301d0f13b646fda5e8a8567aef5ac (diff) |
This is the first commit of the hicn projectv19.01
Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'hicn-plugin/src/cache_policies/cs_policy.h')
-rwxr-xr-x | hicn-plugin/src/cache_policies/cs_policy.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/hicn-plugin/src/cache_policies/cs_policy.h b/hicn-plugin/src/cache_policies/cs_policy.h new file mode 100755 index 000000000..08817de18 --- /dev/null +++ b/hicn-plugin/src/cache_policies/cs_policy.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __HICN_CS_POLICY_H__ +#define __HICN_CS_POLICY_H__ + +#include "../hashtb.h" + +/* + * Structure + */ +typedef struct hicn_cs_policy_s +{ + u32 max; + u32 count; + + /* Indexes to hashtable nodes forming CS LRU */ + u32 head; + u32 tail; + +} hicn_cs_policy_t; + +/* Forward declaration */ +struct hicn_pit_cs_s; +struct hicn_hash_node_s; +struct hicn_pcs_entry_s; +struct hicn_cs_policy_s; + +/** + * @brief Definition of the virtual functin table for a cache policy. + * + * A cache policy must implement three functions: insert, update, delete, trim. + */ +typedef struct hicn_cs_policy_vft_s +{ + void (*hicn_cs_insert) (struct hicn_pit_cs_s * p, + struct hicn_hash_node_s * node, + struct hicn_pcs_entry_s * pcs, + hicn_cs_policy_t * policy); + + void (*hicn_cs_update) (struct hicn_pit_cs_s * p, + struct hicn_hash_node_s * node, + struct hicn_pcs_entry_s * pcs, + hicn_cs_policy_t * policy); + + void (*hicn_cs_dequeue) (struct hicn_pit_cs_s * p, + struct hicn_hash_node_s * node, + struct hicn_pcs_entry_s * pcs, + hicn_cs_policy_t * policy); + + void (*hicn_cs_delete_get) (struct hicn_pit_cs_s * p, + hicn_cs_policy_t * policy, + struct hicn_hash_node_s ** node, + struct hicn_pcs_entry_s ** pcs, + struct hicn_hash_entry_s ** hash_entry); + + int (*hicn_cs_trim) (struct hicn_pit_cs_s * p, u32 * node_list, int sz, + hicn_cs_policy_t * policy); +} hicn_cs_policy_vft_t; + + + +#endif /* // __HICN_POLICY_H__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ |