When ir_ctrl->iremap_index == -1, it means there is no remap
entry. So it needn't to convert from remap format to normal ioapic
format.
Signed-off-by: Weidong Han <weidong.han@intel.com>
This patch implement a very simple non complete reverse map for OOS
pages writable mappings to avoid shadow brute-force search on resyncs.
Signed-off-by: Gianluca Guida <gianluca.guida@eu.citrix.com>
This patch set moves support for AMD's PowerNow! technology from
dom0 into the hypervisor, now that there is support for
transferring ACPI data to the hypervisor. It will only work for
AMD processors that support the architectural P-state driver,
such as 3rd generation Opterons, Phenoms, and Turion Ultras.
This patch creates the Architectural P-state driver inside
of the Xen hypervisor and hooks it into the Xen code. It
has been tested at AMD with a variety of para- and fully-
virtualized guests for a week without regressions.
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Acked-by: Conny Seidel <conny.seidel@amd.com>
1. msr_bitmap/msr_area/msr_host_area must be freed when a vcpu is
destroyed
2. vmx_create_vmcs()/vmx_destroy_vmcs() are only ever called once,
and can hence be simplified slightly
3. Change vmx_*_msr() interfaces to make it crystal clear that they
operate only on current (hence safe against vmwrite() and also
against concurrency races).
4. Change vmx_add_*_msr() implementation to make it crystal clear
that msr_area is not dereferenced before it is allocated.
Only (1) is a bug fix. (2)-(4) are for code clarity.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
usbdevice = "disk:<filename>"
expect a raw device (as this probably is the most usual case) and
usbdevice = "disk-qcow:<filename>"
expect a COW image (autodetected, probably qcow2).
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
This patch is an extension for qemu-dm to enable emulation of generic
PCI devices. The information for the PCI devices can be passed by
command line parameter.
The command line parameter is "-pciemulation" followed by the
information which contains a label and hex value of the configuration
registers separated by ":".
The configuration registers for each PCI device are below.
vendorid
deviceid
command
status
revision
classcode
headertype
subvendorid
subsystemid
interruputline
interruptpin
This is an example of command line parameter.
-pciemulation hba1:1240:0780:0002:0:0:010000:0:10b5:0777:05:1
Signed-off-by: Shinji Matsumoto <smatsumoto@marathontechnologies.com>
Format auto-probing of writable images is a security hole. The last
known remaining instance is monitor command change. Disable probing
there and use raw. This breaks change for images in all other
formats.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This fetches GRUB1 sources, applies the {graphical, print function,
save default, and ext3_256byte} patches from debian, and applies a
patch to make it work on x86_64 and port it to Mini-OS. By using
libxc, PV-GRUB can then "kexec" the loaded kernel from inside the
domain itself, hence permitting to avoid the security-concerned
pygrub.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
which permits to easily compile mini-os in various flavors. Also clean
some parts of stubdom build.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
This patch fixes the following compilation error caused
by c/s 17847:8a0415fac759.
machine_kexec.c: In function 'arch_crash_save_vmcoreinfo':
machine_kexec.c:201: error: 'frametable_pg_dir' undeclared (first use in this function)
machine_kexec.c:201: error: (Each undeclared identifier is reported only once
machine_kexec.c:201: error: for each function it appears in.)
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
particular, VMX requires segment 'granularity' to be set correctly, so
we force it if need be in vmx_set_segment_register().
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
and IDTR in the VMCB in svm_set_segment_register(). This is just for
clarity of code and to prevent any issues in the future.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Fix the non-conforming type check and uses the consistent method to
fetch the cpl value as function get_cpl().
Also make sure vm86 mode is properly handled when determining whether
in real mode or protected mode -- in various respects vm86 mode can
act like both.
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
console_start_sync(). Revert keyhandler logic to use it. The
difference now is that serial logic is updated to not drop characters
if inb a log_everything region. Still this is milder than a sync
region since the async buffer must be filled before we start to
busy-wait on each character.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Enable the labeling of (disk-type) resources with the special label
__INACCESSIBLE__ to prevent unlabeled domains from accessing them.
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
argument array. Needed where a compat shim is splitting up a 32-bit
guest's larger argument array, and only the currently-active part of
the translated array is contained within the compat_arg_xlat_area.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
batches. Printing one character in one thousand is not useful!
Also make debug handlers all print synchronously.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
The patch save/restore the HVM_PARAM_IDENT_PT parameter, then the live
migration during real mode with EPT may work fine.
Signed-off-by: Xiaohui Xin <Xiaohui.xin@intel.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Fixes booting Linux guest allocated more than 4G memory.
- The p2m table will track the max_mapped_pfn, and while doing
p2m_gfn_to_mfn(), if the gfn is higher than max_mapped_pfn, the
function will return _mfn(INVALID_MFN). This makes the Linux guest
kernel panic.
Signed-off-by: Xu Dongxiao <dongxiao.xu@intel.com>
- the machine address and the size of the vmcoreinfo area is returned
via the kexec_op(get_range) hypercall
- fill the vmcoreinfo data when the kexec_op(crash load) hypercall
is called
Signed-off-by: Itsuro Oda <oda@valinux.co.jp>
Keir Fraser