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* xen: move Xen-testing predicates to common headerJeremy Fitzhardinge2009-11-041-0/+3
| | | | | | | | Move xen_domain and related tests out of asm-x86 to xen/xen.h so they can be included whenever they are necessary. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* xen: remove driver_data direct access of struct device from more driversGreg Kroah-Hartman2009-06-151-4/+4
| | | | | | | | | | | | | | In the near future, the driver core is going to not allow direct access to the driver_data pointer in struct device. Instead, the functions dev_get_drvdata() and dev_set_drvdata() should be used. These functions have been around since the beginning, so are backwards compatible with all older kernel versions. Cc: xen-devel@lists.xensource.com Cc: virtualization@lists.osdl.org Acked-by: Chris Wright <chrisw@sous-sol.org> Cc: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* get xenbus_driver ->probe() "recognized" by modpostAl Viro2008-11-301-3/+3
| | | | | | | | ... by giving the instances' names magic suffix recognized by modpost ;-/ Their ->probe() is __devinit Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* xen: clean up domain mode predicatesJeremy Fitzhardinge2008-08-201-2/+2
| | | | | | | | | | | | | | There are four operating modes Xen code may find itself running in: - native - hvm domain - pv dom0 - pv domU Clean up predicates for testing for these states to make them more consistent. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Xen-devel <xen-devel@lists.xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* xen pvfb: Dynamic mode support (screen resizing)Markus Armbruster2008-05-271-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pvfb backend indicates dynamic mode support by creating node feature_resize with a non-zero value in its xenstore directory. xen-fbfront sends a resize notification event on mode change. Fully backwards compatible both ways. Framebuffer size and initial resolution can be controlled through kernel parameter xen_fbfront.video. The backend enforces a separate size limit, which it advertises in node videoram in its xenstore directory. xen-kbdfront gets the maximum screen resolution from nodes width and height in the backend's xenstore directory instead of hardcoding it. Additional goodie: support for larger framebuffers (512M on a 64-bit system with 4K pages). Changing the number of bits per pixels dynamically is not supported, yet. Ported from http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/92f7b3144f41 http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/bfc040135633 Signed-off-by: Pat Campbell <plc@novell.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* xen pvfb: Module aliases to support module autoloadingMarkus Armbruster2008-05-271-0/+2
| | | | | | | | | | | | | | These are mostly for completeness and consistency with the other frontends, as PVFB is typically compiled in rather than a module. Derived from http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/5e294e29a43e While there, add module descriptions. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* xen pvfb: Pointer z-axis (mouse wheel) supportMarkus Armbruster2008-05-271-1/+7
| | | | | | | | | | | | | | | | Add z-axis motion to pointer events. Backward compatible, because there's space for the z-axis in union xenkbd_in_event, and old backends zero it. Derived from http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/57dfe0098000 http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/1edfea26a2a9 http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/c3ff0b26f664 Signed-off-by: Pat Campbell <plc@novell.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* xen pvfb: Para-virtual framebuffer, keyboard and pointer driverMarkus Armbruster2008-04-241-0/+340
This is a pair of Xen para-virtual frontend device drivers: drivers/video/xen-fbfront.c provides a framebuffer, and drivers/input/xen-kbdfront provides keyboard and mouse. The backends run in dom0 user space. The two drivers are not in two separate patches, because the intermediate step (one driver, not the other) is somewhat problematic: the backend in dom0 needs both drivers, and will refuse to complete device initialization unless they're both present. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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