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47 Commits
Author SHA1 Message Date
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
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
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
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Steven Smith 05d0526432 [PV-ON-HVM] Correct some out of date documentation.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
Ian Campbell 6b8b36040d PV-to-HVM: Add compatibility definitions of various #defines when they 
are not present in the kernel we are building against.

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 da611bef47 PV-on-HVM: Include compatability headers for asm/pgtable-no{pmd,pud}.h 
for kernels before 2.6.11.

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 212cd2b3a0 PV-on-HVM: Add a compatibility linux/mutex.h for kernels before 
2.6.16.  This implements the new mutex type in terms of the old
semaphore type.

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 3dd858632a PV-on-HVM: Add a compatibility linux/io.h for kernels before 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 06b12ba822 PV-on-HVM: Add infrastructure for a compatibility shim in order to 
support PV-on-HVM drivers for older kernel releases.

The compatability code is included in the xen-platform-pci module
since this module underpins all the others.

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 16d6a52754 PV-on-HVM: Include a Makefile in each subdirectory to maintain 
compatability with kernels from before Kbuild files were introduced.

This follows best practice as described in
Documentation/kbuild/modules.txt

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 4f3230eb63 [LINUX] PV-on-HVM: Directly include headers which are used in various 
files rather than relying on them being included indirectly.

This is required because these headers are not pulled in indirectly on
older kernels.

Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
 2006-10-25 13:58:30 +01:00
awilliam@xenbuild.aw b5f74534ce merge with xen-unstable.hg 2006-10-22 15:23:52 -06:00
kfraser@localhost.localdomain 193d77e775 Allow default target architecture of PV-on-HVM drivers to be overridden. 
Signed-off-by: Travis Betak <travis.betak@amd.com>
 2006-10-20 10:58:15 +01:00
awilliam@xenbuild.aw 0efbf059b2 [IA64] Xencomm fixes for HVM PV-drivers 
Signed-off-by: Tristan Gingold <tristan.gingold@bull.net>
 2006-10-14 16:28:32 -06:00
Steven Smith 5759c4fb6b [HVM] Use the right, PCI SIG assigned, vendor ID for xensource rather than 
just making one up.

Signed-off-by: Steven Smith <sos22@cam.ac.uk>
 2006-09-21 11:15:13 +01:00
kaf24@firebug.cl.cam.ac.uk 60ddf8d64d Fix unmodified drivers for PV-on-HVM on IA64. 
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
 2006-09-13 14:34:34 +01:00
kaf24@firebug.cl.cam.ac.uk cda30a2a6c [HVM] pv drivers: Allocate hypercall area as an executable region. 
We have to use __vmalloc() and __PAGE_KERNEL because vmalloc_exec()
and PAGE_KERNEL_EXEC are not exported to modules.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-09-08 19:15:11 +01:00
ssmith@weybridge.uk.xensource.com d8e158c03f Fix up cset 11228. 
Signed-off-by: Steven Smith <sos22@cam.ac.uk>
 2006-09-05 13:57:30 +01:00
kaf24@localhost.localdomain eea9e4edd8 Fix Intel copyright notice in a single source file. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-08-28 13:08:41 +01:00
kfraser@localhost.localdomain b3ea76b1e0 [HVM] Clean ups for PV-on-HVM drivers. In particular, platform-pci 
driver can now handle multi-page hypercall stub areas.
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-08-22 17:16:58 +01:00
kfraser@localhost.localdomain 4dd73a7ce3 Missing file from unmodified_drivers directory. 2006-08-17 19:17:30 +01:00
kfraser@localhost.localdomain d72404ae25 [NET] front: Allow driver to be built for an HVM guest. 
Signed-off-by: Keir Fraser <keir@xensource.com>
 2006-08-17 18:45:59 +01:00
kfraser@localhost.localdomain 26fdf1475d Add a small readme file explaining how to build PV-on-HVM drivers. 
Signed-off-by: Steven Smith <ssmith@xensource.com>
 2006-08-17 17:10:13 +01:00
kfraser@localhost.localdomain dc043970e7 [HVM] Allow blkfront driver to be built for an HVM guest. 
Signed-off-by: Steven Smith <ssmith@xensource.com>
 2006-08-17 16:33:42 +01:00
kfraser@localhost.localdomain 05592e02ad [HVM] Allow xenbus to run in an HVM guest. 
Signed-off-by: Steven Smith <ssmith@xensource.com>
 2006-08-17 16:32:30 +01:00
kfraser@localhost.localdomain 738c1ffa96 [HVM] Make grant tables functions work in PV-on-HVM drivers. 
Signed-off-by: Steven Smith <ssmith@xensource.com>
 2006-08-17 16:21:08 +01:00
kfraser@localhost.localdomain 98abf9b1f7 [HVM] Linux driver for the xen platform pseudo-PCI device. 
Signed-off-by: Steven Smith <ssmith@xensource.com>
 2006-08-17 16:08:01 +01:00