| Commit message (Collapse) | Author | Age | Files | Lines |
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We'd like a way to cancel pending loads, as part of aborting the boot
process.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Currently, load_url and load_url_async return a filename parameter and a
tempfile flag (indicating whether the file needs to be cleaned after
use).
Instead, encapsulate this data in a struct load_url_result, which the
caller (and async callbacks) can read the status, filename and clean
parameters.
For internal use in load_url and helpers, we add a struct load_task to
hold a pointer to the load_url_result and async data.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We don't need a pointer here, just the status value.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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A new load_url_async() function handles retrieving the resources by
forking an external process which currently blocks the parent waiting
for the process to complete. This patch modifies the load_*() functions
to handle it asynchronously by providing the exit callback and returning
without waiting for the child process to exit.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
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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 moves the boot-via-kexec functionality from the UIs to the
discover server.
On the UI side: rather than run kexec directly, we just send a message
to the discover server. Because this is generic discover client
functionality, we no longer need the boot callbacks in the twin- and
ncurses-specific code.
We also remove the kexec and URL-loading code from the UIs, and add it
to the discover server code, in paths.c. We expose this to the server
though a new function:
load_path(void *, const char *, unsigned int *);
On the server side, we simply move hook up the boot() function to use
the load_file and kexec calls.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Mount discovered devices, and set up symlinks for UUID and LABELs
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Move the device discovery code from separate udev helpers to a single
process to listen on two sockets: one SOCK_DGRAM for incoming udev
events, and one SOCK_STREAM for UIs to connect.
Initial support for client/server infrastructure, still need to wire-up
the udev messages.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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