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KVM: ia64: add directed mmio range support for kvm guests

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Using vt-d, kvm guests can be assigned physcial devices, so
this patch introduce a new mmio type (directed mmio)
to handle its mmio access.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Xiantao Zhang
2008-09-28 01:39:46 -07:00
committed by Avi Kivity
parent 1cbea809c4
commit b010eb5103
4 changed files with 33 additions and 22 deletions
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arch/ia64/include/asm/kvm_host.h
+1 -1
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@@ -132,7 +132,7 @@
#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
#define GPFN_GFW (6UL << 60) /* Guest Firmware */
#define GPFN_HIGH_MMIO (7UL << 60) /* High MMIO range */
#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */
#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */