100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
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* Copyright(c) 2012-2019 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause-Clear
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*/
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#ifndef __CAS_CACHE_H__
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#define __CAS_CACHE_H__
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#include "ocf/ocf.h"
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#include "ocf_env.h"
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#include <cas_version.h>
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#include <cas_ioctl_codes.h>
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#include "linux_kernel_version.h"
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#include "layer_upgrade.h"
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#include "control.h"
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#include "layer_cache_management.h"
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#include "service_ui_ioctl.h"
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#include "utils/cas_cache_utils.h"
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#include "volume/vol_blk_utils.h"
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#include "classifier.h"
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#include "context.h"
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#include <linux/kallsyms.h>
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#define CAS_KERN_EMERG KERN_EMERG OCF_PREFIX_SHORT
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#define CAS_KERN_ALERT KERN_ALERT OCF_PREFIX_SHORT
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#define CAS_KERN_CRIT KERN_CRIT OCF_PREFIX_SHORT
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#define CAS_KERN_ERR KERN_ERR OCF_PREFIX_SHORT
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#define CAS_KERN_WARNING KERN_WARNING OCF_PREFIX_SHORT
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#define CAS_KERN_NOTICE KERN_NOTICE OCF_PREFIX_SHORT
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#define CAS_KERN_INFO KERN_INFO OCF_PREFIX_SHORT
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#define CAS_KERN_DEBUG KERN_DEBUG OCF_PREFIX_SHORT
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#ifndef SECTOR_SHIFT
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#define SECTOR_SHIFT 9
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#endif
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#ifndef SECTOR_SIZE
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#define SECTOR_SIZE (1<<SECTOR_SHIFT)
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#endif
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#define MAX_LINES_PER_IO 16
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/**
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* cache/core object types */
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enum {
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BLOCK_DEVICE_VOLUME = 1, /**< block device volume */
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ATOMIC_DEVICE_VOLUME, /**< block device volume with atomic
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metadata support */
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/** \cond SKIP_IN_DOC */
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OBJECT_TYPE_MAX,
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NVME_CONTROLLER
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/** \endcond */
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};
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struct cas_classifier;
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struct cache_priv {
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struct cas_classifier *classifier;
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atomic_t flush_interrupt_enabled;
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ocf_queue_t mngt_queue;
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ocf_queue_t io_queues[];
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};
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extern ocf_ctx_t cas_ctx;
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extern struct casdsk_functions_mapper casdisk_functions;
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struct casdsk_functions_mapper {
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int (*casdsk_disk_dettach)(struct casdsk_disk *dsk);
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int (*casdsk_exp_obj_destroy)(struct casdsk_disk *dsk);
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int (*casdsk_exp_obj_create)(struct casdsk_disk *dsk, const char *dev_name,
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struct module *owner, struct casdsk_exp_obj_ops *ops);
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void(*casdsk_exp_obj_free)(struct casdsk_disk *dsk);
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struct request_queue *(*casdsk_disk_get_queue)(struct casdsk_disk *dsk);
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void (*casdsk_store_config)(size_t n_blobs, struct casdsk_props_conf *blobs);
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struct block_device *(*casdsk_disk_get_blkdev)(struct casdsk_disk *dsk);
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struct request_queue *(*casdsk_exp_obj_get_queue)(struct casdsk_disk *dsk);
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uint32_t (*casdsk_get_version)(void);
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void (*casdsk_disk_close)(struct casdsk_disk *dsk);
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struct casdsk_disk *(*casdsk_disk_claim)(const char *path, void *private);
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int (*casdsk_exp_obj_unlock)(struct casdsk_disk *dsk);
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int (*casdsk_disk_set_pt)(struct casdsk_disk *dsk);
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size_t (*casdsk_get_stored_config)(struct casdsk_props_conf **blobs);
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struct gendisk *(*casdsk_disk_get_gendisk)(struct casdsk_disk *dsk);
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int (*casdsk_disk_attach) (struct casdsk_disk *dsk, struct module *owner,
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struct casdsk_exp_obj_ops *ops);
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int (*casdsk_disk_set_attached)(struct casdsk_disk *dsk);
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int (*casdsk_exp_obj_activate)(struct casdsk_disk *dsk);
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bool (*casdsk_exp_obj_activated)(struct casdsk_disk *ds);
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int (*casdsk_exp_obj_lock)(struct casdsk_disk *dsk);
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void (*casdsk_free_stored_config)(void);
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struct casdsk_disk *(*casdsk_disk_open)(const char *path, void *private);
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int (*casdsk_disk_clear_pt)(struct casdsk_disk *dsk);
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struct gendisk *(*casdsk_exp_obj_get_gendisk)(struct casdsk_disk *dsk);
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};
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#endif
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