13 Nov, 2010
1 commit
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This hypercall allows Xen to specify a non-default location for the
machine to physical mapping. This capability is used when running a 32
bit domain 0 on a 64 bit hypervisor to shrink the hypervisor hole to
exactly the size required.[ Impact: add Xen hypercall definitions ]
Signed-off-by: Ian Campbell
Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Stefano Stabellini
23 Oct, 2010
1 commit
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Rather than simply using a flat memory map from Xen, use its provided
E820 map. This allows the domain builder to tell the domain to reserve
space for more pages than those initially provided at domain-build time.It also allows the host to specify holes in the address space (for
PCI-passthrough, for example).Signed-off-by: Ian Campbell
Signed-off-by: Jeremy Fitzhardinge
08 Jun, 2010
2 commits
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A memory region must be physically contiguous in order to be accessed
through DMA. This patch adds xen_create_contiguous_region, which
ensures a region of contiguous virtual memory is also physically
contiguous.Based on Stephen Tweedie's port of the 2.6.18-xen version.
Remove contiguous_bitmap[] as it's no longer needed.
Ported from linux-2.6.18-xen.hg 707:e410857fd83c
[ Impact: add Xen-internal API to make pages phys-contig ]
Signed-off-by: Alex Nixon
Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Ian Campbell
Signed-off-by: Konrad Rzeszutek Wilk -
* xen_create_contiguous_region needs access to the balloon lock to
ensure memory doesn't change under its feet, so expose the balloon
lock
* Change the name of the lock to xen_reservation_lock, to imply it's
now less-specific usage.[ Impact: cleanup ]
Signed-off-by: Alex Nixon
Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Konrad Rzeszutek Wilk
27 May, 2008
1 commit
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Add xen handles realted definitions for xen memory which ia64/xen needs.
Pointer argumsnts for ia64/xen hypercall are passed in pseudo physical
address (guest physical address) so that it is required to convert
guest kernel virtual address into pseudo physical address.
The xen guest handle represents such arguments.Signed-off-by: Isaku Yamahata
Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Thomas Gleixner
25 Apr, 2008
1 commit
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The balloon driver allows memory to be dynamically added or removed from the domain,
in order to allow host memory to be balanced between multiple domains.This patch introduces the Xen balloon driver, though it currently only
allows a domain to be shrunk from its initial size (and re-grown back to
that size). A later patch will add the ability to grow a domain beyond
its initial size.Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Ingo Molnar
Signed-off-by: Thomas Gleixner
18 Jul, 2007
1 commit
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Add Xen interface header files. These are taken fairly directly from
the Xen tree, but somewhat rearranged to suit the kernel's conventions.Define macros and inline functions for doing hypercalls into the
hypervisor.Signed-off-by: Jeremy Fitzhardinge
Signed-off-by: Ian Pratt
Signed-off-by: Christian Limpach
Signed-off-by: Chris Wright
