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73 Commits
Author SHA1 Message Date
kfraser@localhost.localdomain fc91db2baf PV-on-HVM: More save/restore fixes. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-11 09:16:04 +01:00
kfraser@localhost.localdomain 20f2780026 PV-on-HVM: Fixes for save/restore. Also gets rid of separate modules 
reboot.ko and xenbus.ko. These are now part of xen-platform-pci.ko.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-10 15:31:53 +01:00
Alex Williamson b43b64a63d merge with xen-unstable.hg 2007-04-09 13:40:25 -06:00
Alex Williamson 6da4613336 [IA64] Fix PV-on-HVM VNIF to work without using balloon on IPF 
Temporary patch until we support the the balloon driver on HVM domains.

Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2007-04-09 13:39:35 -06:00
Keir Fraser e4daaaabe1 PV-on-HVM: A bit more re-jigging so the build gets further against 
native Linux 2.6.5. It's not quite there still, but closer.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-06 11:17:08 +01:00
Ian Campbell 93d1b5695a LINUX: PVonHVM: Fixes to build with kernels back to 2.6.5. 
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2007-04-05 15:38:09 +01:00
kfraser@localhost.localdomain aeb2e1298b PV-on-HVM: Add new ioreq 'invalidate' for zapping ioemu-dm mapccahe 
after balloon operations in an HVM guest.

This removes the I/O port hack from the guest OS, and from ioemu.

Also we flush on reservation *increases* as well as decreases. This is
necessary until qemu-dm can demand-fault page mappings into existing
valid buckets.

Signed-off-by: Steven Hand <steven@xensource.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-05 14:29:18 +01:00
kfraser@localhost.localdomain 71d28ad3d7 PV-on-HVM: update build config overrides. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-05 13:41:18 +01:00
Keir Fraser ed34f48aa8 Various cleanups and fixes for PV-on-HVM drivers. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-04-04 21:49:04 +01:00
Steven Hand 1d3e27e802 Initial check-in to support PV balloon driver within HVM guests. 
Still todo:

 - fix mapcache invalidation (should happen in Xen)
 - support 32-on-64 mode correctly

Signed-off-by: Steven Hand <steven@xensource.com>
 2007-04-04 19:59:10 +01:00
Tim Deegan 9dd742c907 [HVM] Save/restore: PV-on-HVM driver save/restore support 
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
 2007-03-29 16:27:52 +00:00
awilliam@xenbuild2.aw ebdb5845be merge with xen-unstable.hg 2007-03-20 15:19:38 -06:00
kaf24@firebug.cl.cam.ac.uk ca039d0244 hvm: Fix platform-irq handling in presence of irqbalance daemon. 
The HVM guest did not respond when PV-on-HVM driver was tested on
the following conditions.

1. RHEL4u4
2. vcpu 4
3. irqbalance on
4. pv-on-hvm driver used.

Eventhandler did not work because IRQ was delivered to another vcpu by
irqbalance.

Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
 2007-03-19 09:31:04 +00:00
awilliam@xenbuild2.aw bbe39297b5 [IA64] Fix for compiling PV-on-HVM driver on IPF 
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2007-03-12 08:40:57 -06:00
Ian Campbell f380fac05a [LINUX] Purge include <linux/config.h>. It has been obsolete for some time now. 
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2007-02-23 16:56:45 +00:00
Ian Campbell 193ca2e8bb [LINUX] Call ctrl_alt_del() to trigger a reboot so we benefit from the 
generic infrastructure for cad_pid etc.

Add a ctrl_alt_del() implemenation to the PV on HVM compatibility
layer since ctrl_alt_del() is not exported on native kernels.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2007-02-13 15:32:25 +00:00
Keir Fraser 17c65a4118 Small cleanups to PV-on-HVM support code. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-02-08 17:38:30 +00:00
awilliam@xenbuild2.aw a356cbd5f6 [IA64] Follow to allow PV-on-HVM callback irq to be identified by PCI device. 
Also delete IA64 specific spec concerned with IA64_CALLBACK_IRQ_RID.

Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2007-02-06 09:26:25 -07:00
awilliam@xenbuild2.aw d7e51f76c8 [IA64] Fix for compiling PV-on-HVM driver on IPF 
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
Signed-off-by: Anthony Xu <anthony.xu@intel.com>
 2007-02-05 15:41:58 -07:00
kaf24@localhost.localdomain 249c2a8ce6 [HVM] Allow HVM guest to request invalidation of foreign mappings via 
an I/O port write.
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
 2007-01-27 13:32:27 +00:00
kaf24@localhost.localdomain 0900d4a0e1 Cleanups for unmodified (pv-on-hvm) driver building. 
- some cleanup to mkbuildtree
- adjustment to the fake __supported_pte_mask definition (removing the
  export for x86-64 in native Linux is being discussed, so this shouldn't be
  i386 specific)
- remove odd/unused defines (mostly CONFIG_*) in overrides.mk

Signed-off-by: Jan Beulich <jbeulich@novell.com>
 2007-01-26 13:34:02 +00:00
Ian Campbell e22738def9 [PV-on-HVM] Make PV drivers on HVM kernels work on older kernels after 
update to 2.6.18.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2007-01-22 17:10:27 +00:00
awilliam@xenbuild2.aw b5a65552a9 merge with xen-unstable.hg 2007-01-15 15:15:26 -07:00
kfraser@localhost.localdomain a84893ee09 [PV-on-HVM] Allow platform interrupt to be used for entropy. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-01-12 14:40:13 +00:00
awilliam@xenbuild2.aw a77c31c882 merge with xen-unstable.hg 2007-01-10 08:40:47 -07:00
kfraser@localhost.localdomain 647c467fd9 [HVM] Allow PV-on-HVM callback irq to be identified by PCI device. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-01-10 15:05:00 +00:00
kfraser@localhost.localdomain 018858d496 [PV-on-HVM] Add definition of irq_to_evtchn_port(). 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2007-01-06 12:56:58 +00:00
awilliam@xenbuild2.aw 98ec176ab3 [IA64] Rename RID maker HVM_PARAM_CALLBACK_IRQ_RID to IA64_CALLBACK_IRQ_RID 
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2007-01-02 16:39:42 -07:00
kaf24@localhost.localdomain 41eabc3d5c [PV-ON-HVM] Update evtchn interface to match new PV Linux interfaces. 
Also fix unbind_from_irqhandler() to close event-channel port where
that is appropriate.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-12-31 11:59:47 +00:00
awilliam@xenbuild2.aw 5a0c8b2704 [IA64] Follow new interrupt deliver mechanism for PV-on-HVM/IPF 
This fixes PV-on-HVM drivers for ia64

Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-12-20 08:53:42 -07:00
Ian Campbell b23fab8e20 [LINUX] Import kasprintf patch from upstream. 
kasprintf has been merged upstream with a slightly different protoype
to the one in Xen. Import this patch and fixup the Xen tree to fit.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-11-27 13:50:02 +00:00
kaf24@localhost.localdomain 00a70f44a6 [HVM] Update VPIC device model for new interrupt delivery code. 
Move BSP VLAPIC initialisation to hvmloader.
Remove callback_irq update hack from Linux unmodified drivers.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-11-26 13:37:27 +00:00
kfraser@localhost.localdomain 51d3ca60cb [IA64] Change callback_irq spec of PV-on-HVM for IPF 
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
 2006-11-22 10:25:21 +00:00
Steven Smith 05d0526432 [PV-ON-HVM] Correct some out of date documentation. 
Noticed-by: Nowatzki, Thomas L <Thomas.Nowatzki@UNISYS.com>
Signed-off-by: Steven Smith <sos22@cam.ac.uk>
 2006-11-15 08:54:16 +00:00
Ian Campbell 4101fafcc0 PV-on-HVM: Tweak reboot.c to be compatible with older kernels. 
call_usermodehelper_keys() was not available until 2.6.13 but since we
pass session_keyring as NULL we may as well use call_usermodehelper()
anyway.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-11-02 11:56:26 +00:00
Ian Campbell d8656aaa3e PV-on-HVM: Fix PV-on-HVM drivers for IA64. 
Thanks to Kasai Takanori and Doi Tsunehisa for testing.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-11-02 11:56:26 +00:00
Ian Campbell 0d7658072a PV-on-HVM: Use ln -nsf in mkbuildtree to avoid creating a symlink loop 
if include/xen/interfaces already exists.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-11-02 11:56:26 +00:00
Steven Smith 69ff2305bb Merge. 2006-10-31 11:44:47 +00:00
Steven Smith 47132af16f [PV-ON-HVM] Don't generate lots of spurious interrupts when using event 
channel upcalls.

The issue here was that the Xen platform PCI interrupt is only updated
when you return from the hypervisor into guest context, and so remained
asserted for a short interval after the interrupt handler ran.  If
it happened that the first subsequent trap to the hypervisor was
for unmasking the 8259 interrupt again, the unmasking caused the interrupt
to be reinjected.  This caused an edge on the chaining interrupt from
the slave PIC to the master.  The platform interrupt on the slave
would then be cleared as we returned to the guest, and so you
eventually end up injecting an interrupt on the master chained
interrupt with nothing pending on the slave, which shows up as
a spurious interrupt in the guest.

Signed-off-by: Steven Smith <sos22@cam.ac.uk>
 2006-10-31 11:38:55 +00:00
Steven Smith 65ae4fc8cd [HVM][LINUX][TOOLS] Make xm {shutdown|reboot} do something sensible for HVM 
domains with PV drivers loaded.  This patch creates a new PV-on-HVM
module, reboot.ko, which, when loaded, creates control/reboot_module
in the store.  The tools notice this, and disable the watch which would
normally destroy HVM domains which are the target of an xm shutdown
command, allowing the reboot module to shut the domain down cleanly.

Signed-off-by: Tetsu Yamamoto <yamamoto.tetsu@jp.fujitsu.com>

(Checkin comments by Steven Smith <sos22@cam.ac.uk>)
 2006-10-31 09:54:49 +00:00
awilliam@xenbuild.aw 506aac287c merge with xen-unstable.hg 2006-10-25 12:12:01 -06:00
Ian Campbell a0b780220a PV-to-HVM: Add a compatibility define for the end_that_request_last 
which changed prototype in 2.6.16.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell 4a154f7453 PV-on-HVM: Include compatibility kzalloc implementation for kernels 
before 2.6.14.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell f81a7efad8 PV-to-HVM: Impletement compatibility version of 
schedule_timeout_interruptible for kernels before 2.6.14

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell cd77de6673 PV-on-HVM: Implement and export a compatibility version of do_exit(). 
Kernels prior to 2.6.12 did not export do_exit().

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell e46b787ee3 PV-on-HVM: Implement compatibilty version of wait_for_completion_timeout 
for kernels before 2.6.11

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell 5a246a6332 PV-on-HVM: Include compatability vmalloc_to_pfn for kernels before 2.6.10 
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell 4bfff95df7 PV-on-HVM: Kernels prior to 2.6.8 did not export strcspn to modules 
therefore implement our own and export it.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell f3bebe5fec PV-on-HVM: Define system_state as 1 (SYSTEM_RUNNING) on kernels prior 
to 2.6.7. These kernels did not export the system_state variable to
modules.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-10-25 13:58:30 +01:00
Ian Campbell c957115a57 PV-to-HVM: Implement compatibility nonseekable_open as a nop on 
kernels before 2.6.9

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-10-25 13:58:30 +01:00