3 Commits

Author	SHA1	Message	Date
Pavel Hrdina	742d49fa17	qemu-command: introduce new vgamem attribute for QXL video device ... Add attribute to set vgamem_mb parameter of QXL device for QEMU. This value sets the size of VGA framebuffer for QXL device. Default value in QEMU is 8MB so reuse it also in libvirt to not break things. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098 Signed-off-by: Pavel Hrdina <phrdina@redhat.com>	2014-11-24 22:20:13 +01:00
Pavel Hrdina	81ba2298b2	video: cleanup usage of vram attribute and update documentation ... The vram attribute was introduced to set the video memory but it is usable only for few hypervisors excluding QEMU/KVM and the old XEN driver. Only in case of QEMU the vram was used for QXL. This patch updates the documentation to reflect current code in libvirt and also changes the cases when we will set the default vram attribute. It also fixes existing strange default value for VGA devices 9MB to 16MB because the video ram should be rounded to power of two. The change of default value could affect migrations but I found out that QEMU always round the video ram to power of two internally so it's safe to change the default value to the next closest power of two and also silently correct every domain XML definition. And it's also safe because we don't pass the value to QEMU. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098 Signed-off-by: Pavel Hrdina <phrdina@redhat.com>	2014-11-24 22:05:55 +01:00
Ján Tomko	01cda91809	Add pcihole64 element to root PCI controllers ... <controller type='pci' index='0' model='pci-root'> <pcihole64 unit='KiB'>1048576</pcihole64> </controller> It can be used to adjust (or disable) the size of the 64-bit PCI hole. The size attribute is in kilobytes (different unit can be specified on input), but it gets rounded up to the nearest GB by QEMU. Disabling it will be needed for guests that crash with the 64-bit PCI hole (like Windows XP), see: https://bugzilla.redhat.com/show_bug.cgi?id=990418	2013-08-27 17:42:29 +02:00