This patch handle PCID/INVPCID for hvm:
For hap hvm, we enable PCID/INVPCID, since no need to intercept
INVPCID, and we just set INVPCID non-root behavior as running natively;
For shadow hvm, we disable PCID/INVPCID, otherwise we need to emulate
INVPCID at vmm by setting INVPCID non-root behavior as vmexit.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Committed-by: Jan Beulich <jbeulich@suse.com>
PCID (Process-context identifier) is a facility by which a logical
processor may cache information for multiple linear-address spaces.
INVPCID is an new instruction to invalidate TLB. Refer latest Intel SDM
http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html
We disable PCID/INVPCID for dom0 and pv. Exposing them into dom0 and pv
may result in performance regression, and it would trigger GP or UD
depending on whether platform suppport INVPCID or not.
This patch disables PCID/INVPCID for dom0.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Committed-by: Jan Beulich <jbeulich@suse.com>
This patch expose Intel new features to dom0, including
FMA/AVX2/BMI1/BMI2/LZCNT/MOVBE.
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Committed-by: Jan Beulich <jbeulich@suse.com>
Utilize some of the additions in the prior patches to clean up other
code:
- keep track of REP prefixes in only one variable
- use REX_W in a few more places (instead of a literal number)
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Clone the existing movq emulation to also support the most fundamental
SIMD FP moves.
Extend the testing code to also exercise these instructions.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
Extend the existing movq emulation to also support its SSE2 and AVX
variants, the latter implying the addition of VEX decoding. Fold the
read and write cases (as most of the logic is identical), and add
movntq and variants (as they're very similar).
Extend the testing code to also exercise these instructions.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
This patch clobbers page owner in free_heap_pages() before we are
finished using it. This means that a subsequent test to determine
whether it is safe to avoid safety TLB flushes incorrectly always
determines that it is safe to do so.
The fix is simple: we can defer the original patch's work until after
we are done with the page-owner field.
Thanks to Christian Limpach for spotting this one.
Signed-off-by: Keir Fraser <keir@xen.org>
An upcoming change may increase the size of mem_event_domain. The result
is a build failure because struct domain gets larger than a page.
Allocate the room for the three mem_event_domain members at runtime.
v2:
- remove mem_ prefix from members of new struct
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Keir Fraser <keir@xen.org>
Add some more tracing to vmexits that don't currently have
trace information:
* VMX realmode emulation
* Various VMX traps
* Fast-pathed APIC accesses
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
and populate it at boot time with a value read from
"platform/generation_id". Also add code to libxl to populate this
xenstore key with the value of a new 'generation_id' parameter in the
VM config file. Populate the ADDR package of VM_Gen_Counter ACPI
device such that the first integer evaluates to the low order 32 bits
of the buffer address and the second integer evaluates to the high
order 32 bits of the buffer address.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
evaluating to two integers, and with _CID and _DDN set to
"VM_Gen_Counter".
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
I found this patch useful a couple of times while trying to debug the
viridian problem. irq_dump() was #ifdef-ed out so this patch puts it
back and registers a handler on the 'I' key to iterate over all HVM
domains and call it.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
The val is used as the pagetable entry with the machine
frame number and some page table bits. This explains
what those page table bits are.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
There are some implicit requirements when using the hypercall
which are not mentioned.
Mainly the requirement that the pagetable be RO.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Include hypercall documentation, fixing link generation for top level links to
use the INDEX.
Allow subsection links to be renamedi in the INDEX too.
Strip .txt suffixes as well as .html ones by moving the regex to the right
place instead of placing the literal text "(?:html|txt)" into the backlink to
the top level page. (oops)
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Add annotations for a couple of the hypercalls:
HYPERVISOR_set_trap_table
HYPERVISOR_mmu_update
We do this by
* annotating the list of #defines for hypercall numbers
* annotating the list of error values
* providing a function prototype for the systematically-named functions
The header generator does the rest.
This exercise revealed a couple of infelicities:
* In the actual source code, do_mmu_update is defined to return an int
and do_set_trap_table a long. However both functions return either
-Efoo (on error) or 0 for success.
* The error numbers are defined only in the private header file
xen/include/xen/errno.h and then only with names which will
typically clash with other projects. It would be nice to include a
public version of this header which defines XEN_E*. But for now
we run xen-headers on errno.h too.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
"xen-headers" generates HTML from header files. So far this generates
just some type cross-references, if you say
make -C docs html/hypercall/stamp
An index page, proper wiring into the build system, and a few more
annotations in the headers, and will be forthcoming.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Turning this on for Windows guests is recommended.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
A browser will display them just fine.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
This is much more natural. Continue to support the old syntax in xl
but deprecate it.
[ Fixed up a long line in xl_cmdimpl.c. -iwj ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Returns a cfg list as a libxl_string_list.
Use this to simplify the parsing of device model extra args.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Taking over the top level "user" entry with a relatively obsolete document is a
bit of an annoyance but these docs are not so out of date that they should be
deleted. Move them out of the top-level instead.
(the original motivation here was to allow for user/xl-domain-cfg.markdown but
we have since decided to go with man/xl.cfg.pod.5 instead so perhaps this is a
waste of time)
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
nb: I'm not a Perl wizard...
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
This document contains several 0xa0 characters (non-breaking spaces). These do
not display correctly in (some) terminals or when the document is rendered by (some)
browsers. Re-encode them as spaces.
I'm not confident that this change will make it through being encoded as a patch
and sent through email. Its effect can be replicated with:
perl -i -p -e 's/\xa0/ /g' docs/misc/sedf_scheduler_mini-HOWTO.txt
[ I ran the rune rather than trying to apply the patch -iwj ]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Add an enum at the libxl level with a hopefully descriptive set of names.
Deprecate the use of an integer in xl cfg files.
Signed-off-by: Ian Campbell
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
I want it for get_long but we might as well have it everywhere.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Based on an initial version by Ian Jackson.
I believe that all keys are now present in the document although there are are
various omissions in the actual documentation of them. Hopefully however this
covers the majority of the most interesting keys.
Spice section:
Signed-off-by: Zhou Peng <zhoupeng@nfs.iscas.ac.cn>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
The rest:
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
although this tool is strictly speaking optional we are providing various user
docs in this format so increase the changes that they will install it.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
This is rather critical...
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
I have confirmed that the relevant pages have been transitioned.
What remains is pages which have not yet been moved over:
$ rgrep xenwiki *
tools/libxen/README:http://wiki.xensource.com/xenwiki/XenApi
tools/xenballoon/xenballoond.README:http://wiki.xensource.com/xenwiki/Open_Topics_For_Discussion?action=AttachFile&do=get&target=Memory+Overcommit.pdf
Note that "PythonInXlConfig" never existed in the old wiki and does not exist
in the new. This reference was introduced by 22735:cb94dbe20f97 and was
supposed to have been written prior to the 4.1 release. I have transitioned it
anyway but it's not clear how valuable the message actually is. Perhaps we
should just remove that aspect of it?
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Failure here means that a disk will not be correctly setup. I briefly
scanned tools/blktap2/control.c for other goto constructs which did not
set their err variable but didn't see any others.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
These two changesets:
24184:4ecd3615e726 tools: use system installed libaio by default.
24186:7aa5838499d1 tools: use system libaio for blktap1 as well.
cause HVM guest installs (both Windows and Redhat) to fail on Debian
squeeze with xl. So change the default for now.
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Liu, Jinsong
Jan Beulich
Keir Fraser
Paul Durrant
Olaf Hering
George Dunlap
Konrad Rzeszutek Wilk
Ian Campbell
Ian Jackson