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33 lines
947 B
C
33 lines
947 B
C
#ifndef __CR_PAGE_XFER__H__
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#define __CR_PAGE_XFER__H__
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int cr_page_server(void);
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/*
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* page_xfer -- transfer pages into image file.
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* Two images backends are implemented -- local image file
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* and page-server image file.
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*/
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struct page_xfer {
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/* transfers one vaddr:len entry */
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int (*write_pagemap)(struct page_xfer *self, struct iovec *iov);
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/* transfers pages related to previous pagemap */
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int (*write_pages)(struct page_xfer *self, int pipe, unsigned long len);
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/* transfers one hole -- vaddr:len entry w/o pages */
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int (*write_hole)(struct page_xfer *self, struct iovec *iov);
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void (*close)(struct page_xfer *self);
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/* private data for every page-xfer engine */
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int fd;
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union {
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int fd_pg;
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u64 dst_id;
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};
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};
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int open_page_xfer(struct page_xfer *xfer, int fd_type, long id);
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struct page_pipe;
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int page_xfer_dump_pages(struct page_xfer *, struct page_pipe *,
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unsigned long off);
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int connect_to_page_server(void);
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#endif
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