90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* Copyright(c) 2012-2021 Intel Corporation
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* Copyright(c) 2024 Huawei Technologies
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __OCF_VOLUME_PRIV_H__
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#define __OCF_VOLUME_PRIV_H__
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#include "ocf_env.h"
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#include "ocf_io_priv.h"
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#include "utils/utils_refcnt.h"
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#include "utils/utils_io_allocator.h"
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struct ocf_volume_extended {
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ocf_io_allocator_type_t allocator_type;
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};
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struct ocf_volume_type {
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const struct ocf_volume_properties *properties;
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struct ocf_io_allocator allocator;
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};
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struct ocf_volume {
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ocf_volume_type_t type;
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struct ocf_volume_uuid uuid;
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struct {
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unsigned discard_zeroes:1;
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/* true if reading discarded pages returns 0 */
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} features;
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bool opened;
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bool uuid_copy;
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/* @brief True if OCF shall free UUID on volume deinit */
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void *priv;
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ocf_cache_t cache;
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struct list_head core_pool_item;
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struct ocf_refcnt refcnt __attribute__((aligned(64)));
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} __attribute__((aligned(64)));
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int ocf_volume_type_init(struct ocf_volume_type **type,
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const struct ocf_volume_properties *properties,
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const struct ocf_volume_extended *extended);
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void ocf_volume_type_deinit(struct ocf_volume_type *type);
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void ocf_volume_move(ocf_volume_t volume, ocf_volume_t from);
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void ocf_volume_set_uuid(ocf_volume_t volume,
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const struct ocf_volume_uuid *uuid);
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void ocf_volume_forward_io(ocf_volume_t volume, ocf_forward_token_t token,
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int dir, uint64_t addr, uint64_t bytes, uint64_t offset);
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void ocf_volume_forward_flush(ocf_volume_t volume, ocf_forward_token_t token);
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void ocf_volume_forward_discard(ocf_volume_t volume, ocf_forward_token_t token,
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uint64_t addr, uint64_t bytes);
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void ocf_volume_forward_write_zeros(ocf_volume_t volume,
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ocf_forward_token_t token, uint64_t addr, uint64_t bytes);
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void ocf_volume_forward_metadata(ocf_volume_t volume, ocf_forward_token_t token,
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int dir, uint64_t addr, uint64_t bytes, uint64_t offset);
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void ocf_volume_forward_io_simple(ocf_volume_t volume,
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ocf_forward_token_t token, int dir,
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uint64_t addr, uint64_t bytes);
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static inline void ocf_volume_submit_metadata(ocf_io_t io)
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{
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ocf_volume_t volume = ocf_io_get_volume(io);
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ENV_BUG_ON(!volume->type->properties->ops.submit_metadata);
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volume->type->properties->ops.submit_metadata(io);
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}
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static inline void ocf_volume_submit_write_zeroes(ocf_io_t io)
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{
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ocf_volume_t volume = ocf_io_get_volume(io);
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ENV_BUG_ON(!volume->type->properties->ops.submit_write_zeroes);
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volume->type->properties->ops.submit_write_zeroes(io);
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}
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#endif /*__OCF_VOLUME_PRIV_H__ */
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