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1651d4f6d7
Since its implementation several years ago, no driver has used a fragment list containing more than a single fragment. Simplify the NVO core and the drivers that use it by removing the whole concept of the fragment list, and using a simple (address,length) pair instead. Signed-off-by: Michael Brown <mcb30@ipxe.org>
43 lines
922 B
C
43 lines
922 B
C
#ifndef _IPXE_NVO_H
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#define _IPXE_NVO_H
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/** @file
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*
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* Non-volatile stored options
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdint.h>
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#include <ipxe/dhcpopts.h>
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#include <ipxe/settings.h>
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struct nvs_device;
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struct refcnt;
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/**
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* A block of non-volatile stored options
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*/
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struct nvo_block {
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/** Settings block */
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struct settings settings;
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/** Underlying non-volatile storage device */
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struct nvs_device *nvs;
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/** Address within NVS device */
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unsigned int address;
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/** Length of options data */
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size_t len;
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/** Option-containing data */
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void *data;
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/** DHCP options block */
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struct dhcp_options dhcpopts;
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};
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extern void nvo_init ( struct nvo_block *nvo, struct nvs_device *nvs,
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size_t address, size_t len, struct refcnt *refcnt );
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extern int register_nvo ( struct nvo_block *nvo, struct settings *parent );
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extern void unregister_nvo ( struct nvo_block *nvo );
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#endif /* _IPXE_NVO_H */
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