update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / ocf / src / promotion / ops.h

diff --git a/ceph/src/spdk/ocf/src/promotion/ops.h b/ceph/src/spdk/ocf/src/promotion/ops.h
new file mode 100644 (file)
index 0000000..a59e1cc
--- /dev/null
+++ b/ceph/src/spdk/ocf/src/promotion/ops.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright(c) 2019 Intel Corporation
+ * SPDX-License-Identifier: BSD-3-Clause-Clear
+ */
+
+#ifndef PROMOTION_OPS_H_
+#define PROMOTION_OPS_H_
+
+#include "../metadata/metadata.h"
+#include "promotion.h"
+
+struct ocf_promotion_policy {
+       ocf_cache_t owner;
+
+       ocf_promotion_t type;
+
+       void *config;
+       /* Pointer to config values stored in cache superblock */
+
+       void *ctx;
+};
+
+struct promotion_policy_ops {
+       const char *name;
+               /*!< Promotion policy name */
+
+       void (*setup)(ocf_cache_t cache);
+               /*!< initialize promotion policy default config */
+
+       ocf_error_t (*init)(ocf_cache_t cache);
+               /*!< Allocate and initialize promotion policy */
+
+       void (*deinit)(ocf_promotion_policy_t policy);
+               /*!< Deinit and free promotion policy */
+
+       ocf_error_t (*set_param)(ocf_cache_t cache, uint8_t param_id,
+                       uint32_t param_value);
+               /*!< Set promotion policy parameter */
+
+       ocf_error_t (*get_param)(ocf_cache_t cache, uint8_t param_id,
+                       uint32_t *param_value);
+               /*!< Get promotion policy parameter */
+
+       void (*req_purge)(ocf_promotion_policy_t policy,
+                       struct ocf_request *req);
+               /*!< Call when request core lines have been inserted or it is
+                * a discard request */
+
+       bool (*req_should_promote)(ocf_promotion_policy_t policy,
+                       struct ocf_request *req);
+               /*!< Should request lines be inserted into cache */
+};
+
+extern struct promotion_policy_ops ocf_promotion_policies[ocf_promotion_max];
+
+#endif /* PROMOTION_OPS_H_ */
+