Remove cas_disk.h
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
parent
2aae800c45
commit
edc293495d
@ -19,7 +19,8 @@
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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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#include "cas_disk.h"
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#include "disk.h"
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#include "exp_obj.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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@ -1,130 +0,0 @@
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/*
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* Copyright(c) 2012-2022 Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __CASDISK_H__
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#define __CASDISK_H__
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#include <linux/blkdev.h>
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#include "linux_kernel_version.h"
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#include "disk.h"
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#include "exp_obj.h"
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struct casdsk_disk;
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struct casdsk_exp_obj_ops {
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/**
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* @brief Set geometry of exported object (top) block device.
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* Could be NULL.
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*/
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int (*set_geometry)(struct casdsk_disk *dsk, void *private);
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/**
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* @brief submit_bio of exported object (top) block device.
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* Called by cas_disk when cas_disk device is in attached mode.
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*
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*/
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void (*submit_bio)(struct casdsk_disk *dsk,
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struct bio *bio, void *private);
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};
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/**
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* @brief Open block device
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* @param path Path to block device
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* @param private Private data
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* @return Pointer to casdsk_disk related to opened block device
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*/
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struct casdsk_disk *casdsk_disk_open(const char *path, void *private);
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/**
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* @brief Claim previously opened block device (holded by cas_disk)
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* @param path Path to block device
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* @param private Private data
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* @return Pointer to casdsk_disk structure related to block device, or NULL
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* if device is not opened by cas_disk.
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*/
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struct casdsk_disk *casdsk_disk_claim(const char *path, void *private);
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/**
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* @brief Close block device and remove from cas_disk
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* @param dsk Pointer to casdsk_disk structure related to block device
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* which should be closed.
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*/
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void casdsk_disk_close(struct casdsk_disk *dsk);
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/**
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* @brief Get block_device structure of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to block_device structure of bottom block device
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*/
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struct block_device *casdsk_disk_get_blkdev(struct casdsk_disk *dsk);
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/**
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* @brief Get request queue of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to reqest_queue structure of bottom block device
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*/
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struct request_queue *casdsk_disk_get_queue(struct casdsk_disk *dsk);
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/**
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* @brief Get gendisk structure of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to gendisk structure of bottom block device
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*/
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struct gendisk *casdsk_disk_get_gendisk(struct casdsk_disk *dsk);
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/**
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* @brief Create exported object (top device)
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @param dev_name Name of exported object (top device)
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* @param owner Pointer to cas module
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* @param ops Pointer to structure with callback functions
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* @return 0 if success, errno if failure
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*/
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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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/**
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* @brief Get request queue of exported object (top) block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to reqest_queue structure of top block device
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*/
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struct request_queue *casdsk_exp_obj_get_queue(struct casdsk_disk *dsk);
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/**
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* @brief Get gendisk structure of exported object (top) block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to gendisk structure of top block device
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*/
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struct gendisk *casdsk_exp_obj_get_gendisk(struct casdsk_disk *dsk);
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/**
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* @brief Activate exported object (make it visible to OS
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* and allow I/O handling)
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_activate(struct casdsk_disk *dsk);
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/**
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* @brief Lock exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_lock(struct casdsk_disk *dsk);
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/**
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* @brief Unlock exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_unlock(struct casdsk_disk *dsk);
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/**
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* @brief Destroy exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_destroy(struct casdsk_disk *dsk);
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#endif
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@ -41,5 +41,49 @@ void casdsk_deinit_disks(void);
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int casdsk_disk_allocate_minors(int count);
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/**
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* @brief Open block device
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* @param path Path to block device
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* @param private Private data
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* @return Pointer to casdsk_disk related to opened block device
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*/
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struct casdsk_disk *casdsk_disk_open(const char *path, void *private);
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/**
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* @brief Claim previously opened block device (holded by cas_disk)
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* @param path Path to block device
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* @param private Private data
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* @return Pointer to casdsk_disk structure related to block device, or NULL
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* if device is not opened by cas_disk.
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*/
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struct casdsk_disk *casdsk_disk_claim(const char *path, void *private);
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/**
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* @brief Close block device and remove from cas_disk
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* @param dsk Pointer to casdsk_disk structure related to block device
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* which should be closed.
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*/
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void casdsk_disk_close(struct casdsk_disk *dsk);
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/**
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* @brief Get block_device structure of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to block_device structure of bottom block device
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*/
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struct block_device *casdsk_disk_get_blkdev(struct casdsk_disk *dsk);
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/**
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* @brief Get request queue of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to reqest_queue structure of bottom block device
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*/
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struct request_queue *casdsk_disk_get_queue(struct casdsk_disk *dsk);
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/**
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* @brief Get gendisk structure of bottom block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to gendisk structure of bottom block device
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*/
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struct gendisk *casdsk_disk_get_gendisk(struct casdsk_disk *dsk);
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#endif
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@ -10,7 +10,6 @@
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#include <linux/elevator.h>
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#include <linux/blk-mq.h>
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#include "cas_disk.h"
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#include "disk.h"
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#include "exp_obj.h"
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#include "linux_kernel_version.h"
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@ -10,9 +10,20 @@
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struct casdsk_disk;
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struct casdsk_exp_obj_pt_io_ctx {
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struct casdsk_disk *dsk;
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struct bio *bio;
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struct casdsk_exp_obj_ops {
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/**
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* @brief Set geometry of exported object (top) block device.
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* Could be NULL.
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*/
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int (*set_geometry)(struct casdsk_disk *dsk, void *private);
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/**
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* @brief submit_bio of exported object (top) block device.
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* Called by cas_disk when cas_disk device is in attached mode.
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*
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*/
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void (*submit_bio)(struct casdsk_disk *dsk,
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struct bio *bio, void *private);
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};
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struct casdsk_exp_obj {
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@ -40,4 +51,58 @@ void casdsk_deinit_exp_objs(void);
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void casdsk_exp_obj_free(struct casdsk_disk *dsk);
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/**
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* @brief Create exported object (top device)
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @param dev_name Name of exported object (top device)
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* @param owner Pointer to cas module
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* @param ops Pointer to structure with callback functions
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* @return 0 if success, errno if failure
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*/
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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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/**
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* @brief Get request queue of exported object (top) block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to reqest_queue structure of top block device
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*/
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struct request_queue *casdsk_exp_obj_get_queue(struct casdsk_disk *dsk);
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/**
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* @brief Get gendisk structure of exported object (top) block device
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return Pointer to gendisk structure of top block device
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*/
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struct gendisk *casdsk_exp_obj_get_gendisk(struct casdsk_disk *dsk);
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/**
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* @brief Activate exported object (make it visible to OS
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* and allow I/O handling)
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_activate(struct casdsk_disk *dsk);
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/**
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* @brief Lock exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_lock(struct casdsk_disk *dsk);
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/**
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* @brief Unlock exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_unlock(struct casdsk_disk *dsk);
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/**
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* @brief Destroy exported object
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* @param dsk Pointer to casdsk_disk structure related to cas_disk device
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* @return 0 if success, errno if failure
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*/
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int casdsk_exp_obj_destroy(struct casdsk_disk *dsk);
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#endif
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