| Commit message (Collapse) | Author | Age | Files | Lines |
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New feature to allow xl save to leave a domain paused after its
memory has been saved. This is to allow disk snapshots of domU
to be taken that exactly correspond to the memory state at save time.
Once the snapshot(s) have been taken or whatever, the domain can be
unpaused in the usual manner.
Usage:
xl save -p <domid> <filespec>
Signed-off-by: Ian Murray <murrayie@yahoo.co.uk>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
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The libxl_cpu_bitmap_alloc(..) function, if provided with a zero
value for max CPUs will call xc_get_max_cpus() which will retrieve
the number of physical CPUs the host has. This is usually
OK if the guest's maxvcpus <= host pcpus. But if the value
is different, then the bitmap for VCPUs is limited by the
number of CPUs the host has.
This is incorrect as what we want is to hotplug in the guest
the amount of CPUs that the user specified on the command line
and not be limited by the amount of physical CPUs.
This means that a guest config like this:
vcpus=8
maxvcpus=32
and on a 4 PCPU machine doing
xl vcpu-set <guest name> 16
won't work. This is b/c the the size of the bitmap is one byte
so it can only hold up to 8 VCPUs. Hence anything above that
is going to be ignored.
Note that this patch also fixes the bitmap setting - as it
would set all of the bits allowed. Meaning if the user had a 4PCPU
host we would still allow the user to set 8VCPUs. This second
iteration of the patch fixes this.
Note that all of the libxl_cpu_bitmap_[test|set] silently ignore
any test or sets above its size:
if (bit >= bitmap->size * 8)
return 0;
so we were never notified off this bug.
This patch warns the user if they are trying to do this. If the
user really wants to do this they have to provide the --ignore-host
parameter to bypass this check.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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xl cd-insert takes a plain file.
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
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Node-affinity is now something that is under (some) control of the
user, so show it upon request as part of the output of `xl list'
by the `-n' option.
Re the patch, the print_bitmap() related hunk is _mostly_ code motion,
although there is a very minor change in the code, basically to allow
using the function for printing both cpu and node bitmaps (as, in case
all bits are sets, it used to print "any cpu", which doesn't fit the
nodemap case).
Signed-off-by: Dario Faggioli <dario.faggioli@citrix.com>
Acked-by: Juergen Gross <juergen.gross@ts.fujitsu.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
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This is similar to "xl: 'xl info' print outstanding claims if enabled
(claim_mode=1 in xl.conf)" which exposes the global claim value.
This patch provides the value of the currently outstanding pages
claimed for each domains. This is per domain value which is added
to the global claim value which influences the hypervisors' MM system.
When a claim call is done, a reservation for a specific amount of pages
is set (and this patch lists said number) and also a global value is
incremented. This global value is then reduced as the domain's memory
is populated and eventually reaches zero.
The toolstack (libxc) also sets the domain's claim to zero when the population
of memory has completed as an extra step. Any call to destroy the domain
will also set the domain's claim to zero.
If the reservation cannot be meet the guest creation fails immediately
instead of taking seconds or minutes (depending on the size of the guest)
while the toolstack populates memory.
See patch: "xl: Implement XENMEM_claim_pages support via 'claim_mode'
global config" for details on how it is implemented.
The value fluctuates quite often so the value is stale once it is provided
to the user-space. However it is useful for diagnostic purposes.
It is printed irregardless of global "claim_mode" option in xl.conf(5).
That is b/c the user might have enabled, launched a guest, and then
disabled the option - and we should still report the correct outstanding
claim value. The 'man xl' shows the details of this argument.
The output is close to what 'xl list' looks like:
Name ID Mem VCPUs State Time(s) Claimed
Domain-0 0 2047 4 r----- 19.7 0
OL5 2 2048 1 --p--- 0.0 847
OL6 3 1024 4 r----- 5.9 0
Windows_XP 4 2047 1 --p--- 0.0 1989
[In which it can be seen that the OL5 guest still has 847MB of claimed
memory (out of the total 2048MB where 1191MB has been allocated to
the guest).]
Please note that the 'Mem' column has the cumulative value of outstanding
claims and the total amount of memory that has been allocated to the guest.
[v1: claims, not claim-list]
[v2: Add outstanding and current memkb in the output list]
[v3: Clairy docs and relax some checks]
[v4: Removed comments about guest config memory being the same as 'Mem']
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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libxl_domain_suspend is already prepared to handle LIBXL_SUSPEND_DEBUG,
and xl migrate handles the -d switch as well. Pass this flag down to
libxl_domain_suspend, so that finally xc_domain_save can dump huge
amount of debug data to stdout.
Update xl.1 and help text output.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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This patch adds vtpm support to libxl. It adds vtpm parsing to config
files and 3 new xl commands:
vtpm-attach
vtpm-detach
vtpm-list
Signed-off-by: Matthew Fioravante <matthew.fioravante@jhuapl.edu>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Inspired by a patch by Sander Eikelenboom.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Based on a patch by Sander Eikelenboom
Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
[ ijc -- fixed sizeof(foo) vs sizeof(*foo) issue pointed out by Ian J ]
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Make xl/libxl accept the long option --wait for -w to be compatible with xm.
The long options are used in the default init and sysconfig scripts.
Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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The important change here is to xlu_disk_parse to correctly set format == EMPTY
for CDROM devices which are empty. Test cases are added which check for
correctness here.
xend accepts ',hdc:cdrom,r'[0] as an empty CDROM drive however this is not
consistent with the xl syntax in docs/misc/xl-disk-configuration.txt which
requires ',,hdc:cdrom,r' (the additional positional paramter is the format).
I'm not sure if/how this can be fixed. Note that xend does not accept
',,hdc:cdrom,r'
There are several incidental cleanups included the the cdrom-{insert,eject}
commands:
- add a dry-run mode
- use the non-deprecated disk specification syntax
- check for and report errors from libxl_cdrom_insert
[0] http://wiki.xen.org/wiki/CD_Rom_Support_in_Xen
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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All of the other "list" verbs are of the form "$noun-list". For
example: "pci-list", "vcpu-list", "network-list", "block-list", etc.
Additionally, many people have well trained muscle memory from years
of typing "xm li". "xl li" was ambiguous due to "xl list-vm", thus
resulting in "command not implemented".
Finally, this command was missing from the xl man page.
Signed-off-by: Matt Wilson <msw@amazon.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
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xl remus acts as a frontend to enable remus for a given domain.
* At the moment, only memory checkpointing and blackhole replication is
supported. Support for disk checkpointing and network buffering will
be added in future.
* Replication is done over ssh connection currently (like live migration
with xl). Future versions will have an option to use simple tcp socket
based replication channel (for both Remus & live migration).
Signed-off-by: Shriram Rajagopalan <rshriram@cs.ubc.ca>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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pci-assignable-add will always store the driver rebind path, but
pci-assignable-remove will only actually rebind if asked to do so.
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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...to prepare for a consistent "pci_assignable_*" naming scheme.
Also move the man page entry into the PCI PASS-THROUGH section, rather
than the XEN HOST section.
No functional changes.
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Signed-off-by: Goncalo Gomes <Goncalo.Gomes@EU.CITRIX.COM>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
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Prevent xl from doing any operation if xend daemon is running. That
prevents bugs that happened when xl and xend raced to close a domain.
Signed-off-by: Roger Pau Monne <roger.pau@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Since the key information can be fairly simply put on the command-line,
there's no need to require an actual config file.
Also improve the help to cross-reference the xlcpupool.cfg manpage.
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Dan Magenheimer explains in <4c2f7fca-dda2-4598-aaab-3a6a3fe532cd@default>:
I think the tmem_destroy functionality pre-dates the
existence of tmem "freeable" memory* and was a way for
a toolset to force the hypervisor to free up the hypervisor
memory used by some or all ephemeral tmem pools. Once the
tmem allocation/free process was directly linked into
alloc_heap_pages() in the hypervisor (see call to
tmem_relinquish_pages()), this forcing function was
no longer needed.
So, bottom line, I *think* it can be ripped out, or at least
for now removed from the definition of the stable xl API/UI.
The libxl.c routine libxl_tmem_destroy() could also be
removed if you like, but I guess I'd prefer to leave the
lower level droppings in xc.c and in the hypervisor in case
I am misremembering.
Accordingly remove this interface from libxl and xl but don't touch libxc or
the hypervisor.
This is the only libxl_tmem_* function which might potentially have required
conversion to be asynchronous and which therefore might have been a potential
API stability concern.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
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Add dryrun for testing and debugging purposes.
Signed-off-by: Mathieu Gagne <mgagne@iweb.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Pickup this new configuration on reboot.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
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Add features to the sched-credit interface to allow querying and
displaying scheduler parameters.
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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xl create -f domU.cfg does not need an equal sign.
This applies also to xl cpupool-create.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Also add the global sharing statistics to the libxl physinfo. This is a slight
departure from libxc, but there's no reason libxl physinfo can't include extra
bits of useful and relevant information.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Signed-off-by: Adin Scannell <adin@scannell.ca>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Tim Deegan <tim@xen.org>
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Add s3resume trigger in the usage of the xl trigger cmd.
Signed-off-by: Jean Guyader <jean.guyader@eu.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Supports the xl subcommand sched-sedf.
The man page is only a minimal version (copy from xm man page without
examples). BTW: the xm man page seems not to be in sync with xm sched-sedf -h
regarding the time units. I used milliseconds in the xl implementation.
Only minimal semantical checks of parameters.
Signed-off-by: juergen.gross@ts.fujitsu.com
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
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Supports the xl subcommand sched-credit2.
Signed-off-by: juergen.gross@ts.fujitsu.com
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
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Adds cpupool awareness to output of xl sched-credit. Output can now be
restricted to a specific cpupool. The domains are printed for each cpupool
seperately.
The loop over cpupools and domains is seperated from the main command
implementation to be able to support other schedulers as well.
Signed-off-by: juergen.gross@ts.fujitsu.com
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
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Several places which were previsously indented using hard tabs are now
incorrectly indented. Fix them up.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Commit exactly the results of running
find \! -iname '*.txt' -type f -print0 | xargs -0 perl -p -i.bak -E 's/\s+\n/\n/'
Signed-off-by: Wei Liu <liuw@liuw.name>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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These subcommands already had "-n" dry run options. Make -N do the
same thing, and deprecate those -n options.
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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This sets a global dryrun_only variable, which individual commands are
expected to honour. To avoid accidents, we introduce a new can_dryrun
member in the command table, which is initially set to 0 for each
command.
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Adds support for assigning a label to domains, obtaining and setting the
current enforcing mode, and loading a policy with xl command and libxl
header when the Flask XSM is in use. Adheres to the changes made by the
patch to remove exposure of libxenctrl/libxenstore headers via libxl.h.
Signed-Off-By: Machon Gregory <mbgrego@tycho.ncsc.mil>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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netchannel2 was never widely deployed and no supported kernel includes
either the front- or back-ends. The last known kernel with this
support was the xen.git 2.6.31 branch which has been unsupported for
ages.
xl will warn the user if it spots a "vif2" configration item but
otherwise support is completely removed.
Work is ongoing to add the interesting features of netchannel2 as
protocol extensions to netchannel1.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Although advertised via the usage output, xl cpupool-list -l just
returns ERROR_NI, which does not show up on the console. Instead the
output is empty, which is not exactly what --long hints to. To avoid
confusion remove the line from the help output and just ignore the -l
option properly until it gets finally implemented.
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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New xl command cpupool-numa-split which will create one cpupool for each
numa node of the machine. Can be called only if no other cpupools than Pool 0
are defined. After creation the cpupools can be managed as usual.
Signed-off-by: juergen.gross@ts.fujitsu.com
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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Add a new library function libxl_cpupool_rename() and a new xl command
xl cpupool-rename to support renaming of cpupools.
Signed-off-by: juergen.gross@ts.fujitsu.com
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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The user interfaces for cpupools are extended to support numa machines:
- xl cpupool-create supports now specifying a node list instead of a cpu list.
The new cpupool will be created with all free cpus of the specified numa
nodes.
- xl cpupool-cpu-remove and xl cpupool-cpu-add can take a node number instead
of a cpu number. Using 'node:1' for the cpu parameter will, depending on
the operation, either remove all cpus of node 1 in the specified cpupool,
or add all free cpus of node 1 to the cpupool.
libxl is extended with the following functions to support this feature:
int libxl_cpupool_cpuadd_node(libxl_ctx *ctx, uint32_t poolid, int node, int *cpus)
int libxl_cpupool_cpuremove_node(libxl_ctx *ctx, uint32_t poolid, int node, int *cpus)
Signed-off-by: juergen.gross@ts.fujitsu.com
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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Adds option -n/--numa to xl info command to print topology information.
No numa information up to now, as I've no machine which will give this info
via xm info (could be a bug in xm, however).
Signed-off-by: juergen.gross@ts.fujitsu.com
Signed-off-by: Ian Jackson <ian.jackson.citrix.com>
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Support of cpu pools in libxl and xl:
library functions
xl cpupool-create
xl cpupool-list
xl cpupool-destroy
xl cpupool-cpu-add
xl cpupool-cpu-remove
xl cpupool-migrate
Renamed all cpu pool related names to *cpupool*
Signed-off-by: juergen.gross@ts.fujitsu.com
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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XL sub-commands are expected to parse their arguments relative to the
global variable "optind" rather than treating argc+argv as zero
based. This is because the argc+argv passed to sub-commands include
the entire original command line, not just the sub command specific bits.
Not all commands do this and they are therefore broken if the user
uses "xl -v command", correct such problems
dump-core:
- did not handle "-h" option.
{network,network2,block}-{attach,list,detach} :
- handled arguments without reference to optind
- checked number of arguments before processing getopt loop,
breaking "-h" option handling
An example of the breakage:
# xl -v block-list d32-2
Vdev BE handle state evt-ch ring-ref BE-path
block-list is an invalid domain identifier
51712 0 1 4 13 8 /local/domain/0/backend/vbd/1/
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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This patch implements the new protocol for handling pv consoles and
emulated serials as described in the document docs/misc/console.txt.
The changes are:
- xenconsoled: do not write the pty under serial in xenstore if
xenconsoled is handling a consolepath;
- xenconsole: implement support for an explicit console type parameter;
the parameter can be "pv", to specify that the user wants to
connect to a pv console, or "serial", to specify that the user wants to
connect to an emulated serial. If the type parameter hasn't been
specified be the user, xenconsole tries to guess which type of console
it has to connect to, defaulting to pv console for pv guests and
emulated serial for hvm guests.
- xenconsole: use the new xenstore paths;
- libxl: rename libxl_console_constype to libxl_console_consback:
constype is used to to specify whether qemu or xenconsoled provides the
backend, so I renamed it to libxl_console_consback to make it more
obvious that we are talking about backends;
- libxl: add a new libxl_console_constype to specify if the console is
an emulated serial or a pv console;
- libxl: support the new xenconsole "type" command line parameter;
- libxl: use the "output" node under console in xenstore to tell qemu
where do we want the output of this pv console to go;
- remove the legacy "serialpath" from xenconsoled altogether
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Also: update the QEMU_TAG to pull in the qemu part of these changes.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Signed-off-by: Zhigang Wang <zhigang.x.wang@oracle.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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Implement a new libxl function libxl_device_pci_list_assignable. This is
used to implement the xl list-assignable-pci-devices command and part of
the implementation is used to make sure that PCI devices are not multiply
assigned to one or more domU's before doing the passthrough assignment.
The function libxl_device_pci_list changes to libxl_device_pci_list_assigned
due to a parameter change for consistency with pci_list_assignable.
Signed-off-by: Gianni Tedesco <gianni.tedesco@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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typedef struct seems to be the dominant idiom in the mixture currently
in use.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
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