diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 18:36:00 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 18:36:00 -0400 |
commit | 08d19f51f05a68ce89a289320ce4ed96e757df72 (patch) | |
tree | 31c5d718d0aeaff5083fe533cd6e1f9fbbe846bb /drivers/pci/iova.h | |
parent | 1c95e1b69073cff5ff179e592fa1a1e182c78a17 (diff) | |
parent | 2381ad241d0bea1253a37f314b270848067640bb (diff) |
Merge branch 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (134 commits)
KVM: ia64: Add intel iommu support for guests.
KVM: ia64: add directed mmio range support for kvm guests
KVM: ia64: Make pmt table be able to hold physical mmio entries.
KVM: Move irqchip_in_kernel() from ioapic.h to irq.h
KVM: Separate irq ack notification out of arch/x86/kvm/irq.c
KVM: Change is_mmio_pfn to kvm_is_mmio_pfn, and make it common for all archs
KVM: Move device assignment logic to common code
KVM: Device Assignment: Move vtd.c from arch/x86/kvm/ to virt/kvm/
KVM: VMX: enable invlpg exiting if EPT is disabled
KVM: x86: Silence various LAPIC-related host kernel messages
KVM: Device Assignment: Map mmio pages into VT-d page table
KVM: PIC: enhance IPI avoidance
KVM: MMU: add "oos_shadow" parameter to disable oos
KVM: MMU: speed up mmu_unsync_walk
KVM: MMU: out of sync shadow core
KVM: MMU: mmu_convert_notrap helper
KVM: MMU: awareness of new kvm_mmu_zap_page behaviour
KVM: MMU: mmu_parent_walk
KVM: x86: trap invlpg
KVM: MMU: sync roots on mmu reload
...
Diffstat (limited to 'drivers/pci/iova.h')
-rw-r--r-- | drivers/pci/iova.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/drivers/pci/iova.h b/drivers/pci/iova.h deleted file mode 100644 index 228f6c94b69c..000000000000 --- a/drivers/pci/iova.h +++ /dev/null | |||
@@ -1,52 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2006, Intel Corporation. | ||
3 | * | ||
4 | * This file is released under the GPLv2. | ||
5 | * | ||
6 | * Copyright (C) 2006-2008 Intel Corporation | ||
7 | * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> | ||
8 | * | ||
9 | */ | ||
10 | |||
11 | #ifndef _IOVA_H_ | ||
12 | #define _IOVA_H_ | ||
13 | |||
14 | #include <linux/types.h> | ||
15 | #include <linux/kernel.h> | ||
16 | #include <linux/rbtree.h> | ||
17 | #include <linux/dma-mapping.h> | ||
18 | |||
19 | /* IO virtual address start page frame number */ | ||
20 | #define IOVA_START_PFN (1) | ||
21 | |||
22 | /* iova structure */ | ||
23 | struct iova { | ||
24 | struct rb_node node; | ||
25 | unsigned long pfn_hi; /* IOMMU dish out addr hi */ | ||
26 | unsigned long pfn_lo; /* IOMMU dish out addr lo */ | ||
27 | }; | ||
28 | |||
29 | /* holds all the iova translations for a domain */ | ||
30 | struct iova_domain { | ||
31 | spinlock_t iova_alloc_lock;/* Lock to protect iova allocation */ | ||
32 | spinlock_t iova_rbtree_lock; /* Lock to protect update of rbtree */ | ||
33 | struct rb_root rbroot; /* iova domain rbtree root */ | ||
34 | struct rb_node *cached32_node; /* Save last alloced node */ | ||
35 | unsigned long dma_32bit_pfn; | ||
36 | }; | ||
37 | |||
38 | struct iova *alloc_iova_mem(void); | ||
39 | void free_iova_mem(struct iova *iova); | ||
40 | void free_iova(struct iova_domain *iovad, unsigned long pfn); | ||
41 | void __free_iova(struct iova_domain *iovad, struct iova *iova); | ||
42 | struct iova *alloc_iova(struct iova_domain *iovad, unsigned long size, | ||
43 | unsigned long limit_pfn, | ||
44 | bool size_aligned); | ||
45 | struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo, | ||
46 | unsigned long pfn_hi); | ||
47 | void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to); | ||
48 | void init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit); | ||
49 | struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn); | ||
50 | void put_iova_domain(struct iova_domain *iovad); | ||
51 | |||
52 | #endif | ||