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intchar *
guestfs_part_to_partnumint_appliance_command_line (guestfs_h *g,
const char *partition);appliance,
int flags)

English type: verbatim
char *
guestfs_int_appliance_command_line (guestfs_h *g,
const char *appliance,
int flags)

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Some string such as C<"cortex-a57"> means use C<-cpu cortex-a57>.
 
C<NULL>
 
C<NULL> means no C<-cpu> option at all. Note returning C<NULL> does not indicate an error.
 
This is made unnecessarily hard and fragile because of two stupid choices in QEMU:
 
The default for C<qemu-system-aarch64 -M virt> is to emulate a C<cortex-a15> (WTF?).
 
We don't know for sure if KVM will work, but C<-cpu host> is broken with TCG, so we almost always pass a broken C<-cpu> flag if KVM is semi-broken in any way.
 
File F<lib/appliance-kcmdline.c>
 
The appliance kernel command line.
 
Definition C<lib/appliance-kcmdline.c:VALID_TERM>
 
#define VALID_TERM

 
Check that the $TERM environment variable is reasonable before we pass it through to the appliance.
 
Function C<lib/appliance-kcmdline.c:get_root_uuid>
 
static char *
get_root_uuid (guestfs_h *g, const char *appliance)

 
Given a disk image containing an extX filesystem, return the UUID. The L<file(1)> command does the hard work.
 
Function C<lib/appliance-kcmdline.c:guestfs_int_appliance_command_line>
 
char *
guestfs_int_appliance_command_line (guestfs_h *g,
const char *appliance,
int flags)

int
guestfs_part_to_partnum (guestfs_h *g,
const char *partition);

Construct the Linux command line passed to the appliance. This is used by the C<direct> and C<libvirt> backends, and is simply located in this file because it's a convenient place for this common code.
 
The C<appliance> parameter is the filename of the appliance (could be NULL) from which we obtain the root UUID.
 
The C<flags> parameter can contain the following flags logically or'd together (or 0):
 
C<APPLIANCE_COMMAND_LINE_IS_TCG>
 
If we are launching a qemu TCG guest (ie. KVM is known to be disabled or unavailable). If you don't know, don't pass this flag.
 
Note that this function returns a newly allocated buffer which must be freed by the caller.
 
File F<lib/appliance-uefi.c>
 
Find the UEFI firmware needed to boot the appliance.
 
See also F<lib/uefi.c> (autogenerated file) containing the firmware file locations.
 
Function C<lib/appliance-uefi.c:guestfs_int_get_uefi>
 
int
guestfs_int_get_uefi (guestfs_h *g, char *const *firmwares,
const char **firmware, char **code, char **vars,
int *flags)

int
guestfs_copy_file_to_file (guestfs_h *g,
const char *src,
const char *dest,
...);

Return the location of firmware needed to boot the appliance. This is aarch64 only currently, since that's the only architecture where UEFI is mandatory (and that only for RHEL).
 
C<firmwares> is an optional list of allowed values for the firmware autoselection of libvirt. It is C<NULL> to indicate it is not supported. C<*firmware> is set to one of the strings in C<firmwares> in case one can be used.
 
C<*code> is initialized with the path to the read-only UEFI code file. C<*vars> is initialized with the path to a copy of the UEFI vars file (which is cleaned up automatically on exit).
 
In case a UEFI firmare is available, either C<*firmware> is set to a non-C<NULL> value, or C<*code> and C<*vars> are.
 

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Source string changed
intchar *
guestfs_part_to_partnumint_appliance_command_line (guestfs_h *g,
const char *partition);appliance,
int flags)

4 years ago
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5280286 String information

Source string description
type: verbatim
Flags
no-wrap
Source string location
../docs/internal-documentation.pod:75
String age
4 years ago
Last updated
a year ago
Source string age
4 years ago
Translation file
po-docs/es.po, string 5836