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We want to expand the finalise_config hook to cover generic pre-boot
functionality, so rename to pre_boot.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change adds a direct IPMI interface to the /dev/ipmi0 device node,
which is present on OpenPower machines.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Currently, we expose the boot device priorities through an array in
struct config, which will either be the default (network -> disk), or a
single device type specified by the IPMI code.
Rather than hide the implementation details in this array, we'd like to
expose the details of the machine configuration instead. This allows
user visibility of the real boot configuration (for example, if an IPMI
boot preference is set).
This change removes the priority array, and replaces it with the
ipmi_bootdev data (and a persistent flag). We update the
default-conflict-resolution code to reflect the priorities between IPMI
and UUID preferences.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We'd like to add a new backend to the bootdev storage, so move the
common bootdev-handling code into separate functions, moving
ipmi_bootdev_is_valid to ipmi.c.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Move our IPMI-specific definitions to a separate header, and a
mostly-empty ipmi.c file. We'll populate this with IPMI functionality in
later changes.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
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Implement load & save of the petitboot language configuration.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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It's /proc/device-tree, not /proc/device_tree. Use a variable to hold
this prefix.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change adds a debug flag to the config, and groups it under
not-user-modifiable parts of struct config.
This means we no longer need the pb-sysinfo helper, as the last
remaining function (--debug-enabled) can be implemented with pb-config.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change uses the platform-specific code to read the system type and
identifier, rather than the pb-sysinfo utility. We introduce a new
callback for struct platform:
int (*get_sysinfo)(struct platform *, struct system_info *);
- which populates struct system_info with appropriate information.
This means that the system-specific code is kept in one place; rather
than having powerpc-specific device-tree-reading code in the pb-sysinfo
shell script.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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An IPMI bootflags of 0x3 indicates a safe-mode boot. Use this to trigger
petitboot's safe mode.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change implement load & save support for the default boot device
configuration parameter.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Although we need nvram to save settings, we may be running on a
nvram-less machine, but still need to detect as powerpc.
This change removes the nvram check.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We get a couple of uninitialised var warning when compiling with certain
CFLAGS (-fprofile-arcs -ftest-coverage at this stage).
In statement_if_execute: We'll never actually use this uninitialised (as
there must be at least one conditional in the parsed statement), but we
should address the warning nonetheless.
As passed to strtok_r: strtok will initialise this, but it isn't obvious
to the compiler.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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The next-bootdev sysparam should only apply for the next boot, so
invalidate it after reading.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We are appending the sysparam filename onto sysparams_dir, so we need a
trailing slash.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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PowerPC OPAL firmware's sysparam interface allows us to read the boot
device set over IPMI. This change implements support for IPMI bootdev
selection over the sysparams interface, using the new boot_priority
infrastructure.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Allow a platform to specify a DHCP architecture ID, as this is
platform-specific.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Currently, we're always assuming a powerpc platform, as the powerpc
probe() function always returns true.
This change adds a check for some bits we need to work on a powerpc
platform.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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There's no need to include the config storage code in lib/ as only the
discover server should be using it.
This change moves the config-storage code to discover/, with the
platform-specific parts moved to a 'struct platform'. Each platform has
a probe function, which is called during init. The first probe function
to return a platform is used.
At present we only have the one platform, but it's now non-intrusive to
add others.
We keep an array of platform pointers in a separate ("platforms")
section, to allow the test module to drop-in its own test "platform".
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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