Remove Xen workaround for HVM builder now that it's fixed
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

Merge

[HVM] Builder must know which kind of vcpu context struct to use
when the tools are being run in a compat-mode domain
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

xen: Use RCU-based domain-locking functions where appropriate.
Signed-off-by: Jose Renato Santos <jsantos@hpl.hp.com>

xen: Last minute rename of RCU domain get/put functions:
 find_domain_rcu_lock -> rcu_lock_domain_by_id
 domain_rcu_unlock    -> rcu_unlock_domain
Signed-off-by: Keir Fraser <keir@xensource.com>

hvm/ia64: Fix IDE PIO acceleration.
Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>

Change compat-check in set_vcpucontext again. Give caller leeway for
HVM guests only.
Signed-off-by: Keir Fraser <keir@xensource.com>

[XEN] Fix cset 14166
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

Use stat to poll on phantom device until it becomes ready

    Signed-off by Wim Colgate <wim@xensource.com>

libxc: Quieten the discard_file_cache() function. Preserve errno
across it. No longer make calls to the function dependent on 'non-live
save/restore': it's not a good test of whether the fd is a socket.
Signed-off-by: Keir Fraser <keir@xensource.com>

Fix init.d/xendomains startup script so log_error and log_success
will also work on redhat-based distributions before RHEL 5. See
discussion "xendomains init script" about a year ago on xen-devel.

Signed-off-by: Florian Kirstein <ray@ray.net>

linux: More save/restore fixes. Fix deadlock of cpu_hotplug_lock vs
workqueue_mutex. This is a new deadlock since the workqueue_mutex is
acquired in the workqueue_cpu_calbback() function across
CPU_UP_PREPARE->CPU_ONLINE.

The fix is for us not to rudely grab the cpu_hotplug_lock() during
save/restore -- it's really not necessary.

This patch is applicable to any of our 2.6 kernels, but is absolutely
required from 2.6.18 onwards.

Signed-off-by: Keir Fraser <keir@xensource.com>

[XEN][SHADOW] Use slow method for early-unshadow

The "fast" method fails a significant portion of the time.
unshadow will still use the "fast" method, but will fall
back to a brute-force method if it fails.

Signed-off-by: George Dunlap <gdunlap@xensource.com>

[XEN][SHADOW] Fix early-unshadow logic.

Make sure to reset the early-unshadow logic when we
do a fast-path propagate or when we emulate a non-zero
write.

Signed-off-by: George Dunlap <gdunlap@xensource.com>

hvm: Only do hvm_disable() on HVM-enabled systems.

Original patch by Jan Beulich.
Signed-off-by: Keir Fraser <keir@xensource.com>

linux: Disable idle-loop alternatives.

ACPI and APM idle functions in particular are not suitable choices
when running on Xen.

Signed-off-by: Keir Fraser <keir@xensource.com>

linux: Split suspend_mutex into watch_mutex and transaction_mutex.
This clarifies their usage and relationship with request_mutex and
response_mutex.
Signed-off-by: Keir Fraser <keir@xensource.com>

More PV save/restore fixes.

Related changesets:
 14148:b67c253d1cdb4f502dec2
 13519:b4a8000e76db6b4b27341

These three changesets must be applied as a set!

Signed-off-by: Keir Fraser <keir@xensource.com>

Fix 32-bit x86 compile

[XEN] Compat-mode dom0 always provides compat vcpu_guest_context structs.
Update arch_set_info_guest to do the right thing.
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

[XEN] Make the compat-mode l4 page table look more like a page table
and remove some special-case code in the shadows.
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

[XEN] No need to change the compat mode of the guest in xen.
The tools set the compat mode already explicitly.

Signed-off-by: Christian Limpach <Christian.Limpach@xensource.com>

Loop on actual elfnote array size rather than depending on ELFNOTE_MAX
macro.
Signed-off-by: Keir Fraser <keir@xensource.com>

Add suspend_cancel flag to linux elf notes.

Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

Add xm save -c/--checkpoint option

xm save --checkpoint leaves the domain running after creating the
snapshot.

Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

Let xend choose to do hard or soft domain resumption depending on
whether the domain advertises support for soft resumption in its
elfnotes.

Signed-off-by: Brendan Cully <brendan@kublai.com>

Fix off-by-one preventing the last elfnote from being read in xc.c.

Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

Add openssl-dev and xorg-x11-dev to README

Attached is a documentation patch to the top-level README file; it
just adds two notes saying that you need to have openssl-devel and
xorg-x11-devel installed to successfully complete a "make world" at
the top level.

Signed-off-by: Chris Lalancette <clalance@redhat.com>

[XEN] [ACM] Simplify the event channel scanning

This patch simplifies the scanning of a domain's event channels
considering that an 'ECS_UNBOUND' event channel is not connected and
can be skipped.

Signed-off-by: Stefan Berger <stefanb@us.ibm.com>

Fix for Solaris compile/output for VBDs in xentop.
Signed-off-by: John Levon <john.levon@sun.com>

merge

[TOOLS] Add support for XEN_ELFNOTE_L1_MFN_VALID to readnotes.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>

Accelerate IDE PIO on HVM/IA64 [3/3]

Add a bufferring mechanism for IDE PIO in a hypervisor.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>

Accelerate IDE PIO on HVM/IA64 [2/3]

Add one more page to the guest for IDE PIO.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>

Accelerate IDE PIO on HVM/IA64 [1/3]

Add a bufferring mechanism for IDE PIO in qemu.

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>

Fix save/restore (and non-live migrate) on PAE.
Plus add some more debug output to help us spot similar issues in the future.

Signed-off-by: Steven Hand <steven@xensource.com>

Added SXP pretty-printer.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

linux: Don't allow partial message raeds from xenstore across
save/restore. This patch is an essential companion to
13519:b4a8000e76db6b4b27341.
Signed-off-by: Keir Fraser <keir@xensource.com>

Fix exception handling to cope with exceptions that do not have a string as
the first argument.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

[TOOLS] Make xentrace help a little more informative.

Signed-off-by: George Dunlap <gdunlap@xensource.com>

Merge

[TOOLS] Added option to xentrace to discard records in the buffer
before beginning the trace.

Signed-off-by: George Dunlap <gdunlap@xensource.com>

x86: Fix BUG() crash in mm.c.
Signed-off-by: Keir Fraser <keir@xensource.com>

Fix missing bits of the docs from cset 14020, and match that change by removing
the similar fields on host_metrics, PIF_metrics, and VM_guest_metrics.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Implementation of host_metrics.get_all, PIF_metrics.get_all, and docs and
bindings for many of the get_all methods elsewhere that Xend already
implemented.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added some more fields to host_cpu.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

[HVM][SVM] Save/Restore: Remove commented out code
Code not needed by SVM as the "VM_ENTRY_CONTROLS" register doesn't
exist.

Signed off: Mats Petersson (mats.petersson@amd.com)

Missing files from previous changeset.
Signed-off-by: Thomas Friebel <thomas.friebel@amd.com>

[xentrace][HVM] introduce HVM tracing to unify SVM and VMX tracing

* new tracing class TRC_HVM replacing TRC_VMX

* 20 new trace events to differentiate the information carried by them
** added corresponding trace points in SVM and VMX code
** updated formats file: descriptive formatting of trace event data
** completely replacing previous simple tracing in VMX

* possibility to toggle single events on and off at compile time in
  include/asm-x86/hvm/trace.h

Signed-off-by: Thomas Friebel <thomas.friebel@amd.com>

x86: Update map_pages_to_xen() to avoid arithmetic based on
uninitialised frame_table variable.
Signed-off-by: Keir Fraser <keir@xensource.com>

x86: Clean up {alloc,free}_xen_pagetable() interface to avoid use of
frame_table variable before initialisation. This wasn't a bug, but was
confusing.
Signed-off-by: Keir Fraser <keir@xensource.com>

Add argument check for xm network-attach command

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>

Fix xm vcpu-set command for when wrong number of VCPU is given

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>

Move credit scheduler configuration into XendDomainInfo, so that the domain
will be cleaned up correctly if the scheduler parameters are wrong.

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>

Merge

[TOOLS] fix sizeof() usage in xc_core
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

linux: Fix backward compatibility in page table handling

A 3.0.2 compatibility requirement slipped my attention before
submitting the original page table handling changes.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

[XEN] Allow log-dirty mode to be enabled on already-shadowed domains.
and catch a few missing mark_dirty() calls
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

Remap PCI-ISA IRQ 6 to IRQ 7. Disable LPT1 by default and remove its
definition from the ACPI DSDT. This avoids conflict with FDC on IRQ6
(it is a bit more likely that someone will want to connect a floppy
image to a guest than it is that anyone will ever care about
parallel-port functionality).
Signed-off-by: Keir Fraser <keir@xensource.com>

Resolve conflict over use of name xen_elfnote.
Signed-off-by: Keir Fraser <keir@xensource.com>

Merge

[HVM] Shadow: always use mmio_space() to detect MMIO addresses
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

libxc, ia64: Added new arch_hook for registering ia64 big endian images.
Signed-off-by: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>

Save elfnotes in VM sxpr under image/notes, and load them on restore.
Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

Write Xen ELF notes into xenstore on domain build.
Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

[HVM] Revert cset 14083
which was wrong, and not very useful.
Signed-off-by: Tim Deegan <Tim.Deegan@xensource.com>

xm-test, acm: Use xvda* device name instead of sdb* device inside guest domain.
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>

Remove duplicate #includes from Linux sparese-tree file.
From: Chuck Short <zulcss@gmail.com>
Signed-off-by: Keir Fraser <keir@xensource.com>

fix PDPE entry in P2M table under 32bit PAE hypervisor

Remove unused network.default_{gateway,netmask}.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Redefine units of VDI.virtual_size to be bytes, not sectors.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added host.capabilities field.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Replace VM.tools_version with a richer VM_guest_metrics class.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added documentation and C bindings for VBD/VIF.status_detail, status_code, and
currently_attached fields.  Not yet implemented.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added a VM.domid field.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Remove the bindings for VM.get_VCPUs_{number,utilisation} -- these have moved
onto the metrics class.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Fix typo in host record.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added tab completion for methods and object references to xm shell.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added host.API_version_{major,minor,vendor,vendor_implementation} fields.

Fix missing host.other_config from the record returned by Xend.

Improve the error diagnosis when we catch TypeError.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

Added VBD. and VIF.qos_supported_algorithms fields, with C bindings, Xend
implementation to follow.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

libxc: Code format cleanups.
Signed-off-by: Keir Fraser <keir@xensource.com>

Reduce impact of saving/restoring/dumping large domains on Dom0 memory
usage by means of fadvise64() to tell the OS to discard the cache
pages used for the save/dump file.

Signed-off-by: Simon Graham <Simon.Graham@stratus.com>

dump-core: documentation on its format.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

xc_ptrace_core.c new elf format support
The old format is still supported and the old implementation is left
as is with the slight adjustment to coexist with new implementation.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

Xen coredump format: ELF formatified with note section.
added PFN-GMFN table for non-auto translated physmap
added PFN table for auto translated physmap.
HVM domain support.
IA64 support

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Use the guest's own p2m table instead of xc_get_pfn_list(), which
cannot handle PFNs with no MFN.
Dump a zeroed page for PFNs with no MFN.
Clearly deprecate xc_get_pfn_list().
Do not include a P2M table with HVM domains.
Refuse to dump HVM until we can map its pages with PFNs.

Signed-off-by: John Levon <john.levon@sun.com>

Move some definitions from xg_save_resotre.h to xg_private.h
which are necessary for the new dump core implementation.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

x86 hvm domain builder, restore: set shared_info.arch.max_pfn for
dump-core to know the area to dump

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

Support new xm command: xm trigger <Domain> <nmi|reset|init> [<VCPU>]
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Zhang Xin <xing.z.zhang@intel.com>

xen memory allocator: Allow per-domain bitwidth restrictions.
Original patch by Jan Beulich <jbeulich@novell.com>
Signed-off-by: Keir Fraser <keir@xensource.com>

xen memory allocator: Dynamically allocate per-numa-node metadata.
Signed-off-by: Keir Fraser <keir@xensource.com>

[TAPDISK] honor read-only attributes when creating tap-based VBDs
Signed-off-by: Jake Wires <jwires@xensource.com>

[TAPDISK] handle error case when opening VDIs

xen memory alloctor: remove bit width restrictions

Hide the (default or user specified) DMA width from anything outside
the heap allocator. I/O-capable guests can now request any width for
the memory they want exchanged/added.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

xen memory allocator: per-bit-width heap zones

Replace the 3-zone scheme of the heap allocator with one with one
where zones are distinguished by their bit widths.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

merge

[LINUX] Purge include <linux/config.h>. It has been obsolete for some time now.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>

[PV-on-HVM] Fix gnttab_map to not run off the bottom of the gnttab space.

Cleanup a few warnings: reached end of void function and unused variables.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>

xen memory allocator: hide generic allocator routines

This patch doesn't introduce functional changes, but simply moves code
around to make the unused (outside of the page allocator) heap alloc
functions taking an explicit zone parameter static without having to
forward-prototype them in their source file.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

xentrace: Add a relative TSC field (kept track per CPU) to xentrace_format.

Additionally a default line is added (key 0x00000000) which is used
when no specific entry in the format file is found.

Signed-off-by: Thomas Friebel <thomas.friebel@amd.com>

linux, tpm: Fix argument to grant table operation
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>