%PDF- %PDF-
Mini Shell

Mini Shell

Direktori : /usr/src/veeamsnap-6.1.2.1781/
Upload File :
Create Path :
Current File : //usr/src/veeamsnap-6.1.2.1781/snapstore.h

// Copyright (c) Veeam Software Group GmbH

#pragma once

#include "uuid_util.h"
#include "veeamsnap_ioctl.h"
#include "rangevector.h"
#include "container.h"
#include "snapstore_mem.h"
#include "snapstore_file.h"
#include "snapstore_multidev.h"
#include "shared_resource.h"
#include "blk_redirect.h"
#include "ctrl_pipe.h"


typedef struct snapstore_s
{
    content_t content;
    shared_resource_t shared;
    veeam_uuid_t id;

    snapstore_mem_t* mem;
    snapstore_file_t* file;
#ifdef SNAPSTORE_MULTIDEV
    snapstore_multidev_t* multidev;
#endif

    ctrl_pipe_t* ctrl_pipe;
    sector_t empty_limit;

    atomic_t halffilled;
    atomic_t overflowed;

    atomic64_t state_sectors_image_written;
}snapstore_t;


int snapstore_init( void );
void snapstore_done( void );

int snapstore_create(veeam_uuid_t* id, dev_t snapstore_dev_id, dev_t* dev_id_set, size_t dev_id_set_length);
#ifdef SNAPSTORE_MULTIDEV
int snapstore_create_multidev(veeam_uuid_t* id, dev_t* dev_id_set, size_t dev_id_set_length);
#endif
int snapstore_cleanup(veeam_uuid_t* id, stream_size_t* filled_bytes);

static inline snapstore_t* snapstore_get( snapstore_t* snapstore )
{
    return (snapstore_t*)shared_resource_get( &snapstore->shared );
};
static inline void snapstore_put( snapstore_t* snapstore )
{
    shared_resource_put( &snapstore->shared );
};

int snapstore_stretch_initiate( veeam_uuid_t* unique_id, ctrl_pipe_t* ctrl_pipe, sector_t empty_limit );

int snapstore_add_memory(veeam_uuid_t* id, unsigned long long sz);
int snapstore_add_file(veeam_uuid_t* id, page_array_t* ranges, size_t ranges_cnt);
#ifdef SNAPSTORE_MULTIDEV
int snapstore_add_multidev(veeam_uuid_t* id, dev_t dev_id, page_array_t* ranges, size_t ranges_cnt);
#endif

void snapstore_order_border( range_t* in, range_t* out );

blk_descr_unify_t* snapstore_get_empty_block( snapstore_t* snapstore );

int snapstore_request_store( snapstore_t* snapstore, blk_deferred_request_t* dio_copy_req );

int snapstore_redirect_read( blk_redirect_bio_endio_t* rq_endio, snapstore_t* snapstore, blk_descr_unify_t* blk_descr_ptr, sector_t target_pos, sector_t rq_ofs, sector_t rq_count );
int snapstore_redirect_write( blk_redirect_bio_endio_t* rq_endio, snapstore_t* snapstore, blk_descr_unify_t* blk_descr_ptr, sector_t target_pos, sector_t rq_ofs, sector_t rq_count );

int snapstore_check_halffill( veeam_uuid_t* unique_id, sector_t* fill_status );

Zerion Mini Shell 1.0