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We're only dealing with devpath resources at the moment.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We'd like to be able to download petitboot configurations from other
sources (not just local files), but we'll need some way to indicate to
the parsers that a chunk of config data is from a specific source.
This change adds "configuration methods". At present, we have only one:
CONF_METHOD_LOCAL_FILE. For any incoming configuration data, we only run
parsers that have registered themselves with that configuration method.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Currently, we require all parsers to be defined in an array in
parsers.c.
This change removes this requirement, by introducting a
register_parser() macro, which adds a constructor to register the parser
with the core parser infrastructure.
Because each parser no longer resolves an undefined symbol, we need to
use a `ld -r` object for libparser, instead of using libtool, which
creates a .a (and hence has no parsers included).
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change switches the parsers over to populate the resources in
discover_boot_option, rather than the string parameters in boot_option.
To do this, we need a few things:
* Add struct resources to discover_boot_option for the boot_image,
initrd and icon data.
* Have the parsers populate the resources, rather than the strings.
Currently, parsers can all use the devpath resource type.
* Add a resolve_resource callback to parsers; this is how the device
handler will attempt to resolve resources.
* Change load_file to load_url, as we should be only accessing
(resolved) resources by URLs.
This then allows us to remove the mount map, and associated lookup code,
as well as the UUID and label links to devices.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change introduces a new type, struct discover_boot_option. Like
struct discover_device adds discover-specific data to struct device,
struct discover_boot_option allows the discover server to store more
than just the boot option strings for a boot option.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Rather than having each of the parsers do their own open(), read(), etc,
use the registered filenames array to find & open parser conf files.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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In preparation of moving file handling to the discover core (rather than
the parsers), include the conf file names in struct parser.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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At present, we keep both permanent (eg links/n_links) and temporary
(event) data in struct discover_context.
This change makes discover_context a temporary structure, just used
during actual device discovery. Once discovery is complete, the
permanent data (discover_device) is "committed" to the device handler.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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The device and boot_option types are defined in pb-protocol.h, but
aren't really specific to the procotol. This means a lot of
non-messaging-related files are #including the protocol definitions
unnecessarily.
This change separates the types out into lib/types/types.h.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Geoff Levand <geoff@infradead.org>
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Signed-off-by: Geoff Levand <geoff@infradead.org>
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Add grub2 parser and sample config file.
Reorder parser priorities:
From (yaboot -> kboot) to (kboot -> grub2 -> yaboot).
Signed-off-by: Geoff Levand <geoff@infradead.org>
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