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iommu/vt-d: Relocate struct/function declarations to its header files

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To reuse the static functions and the struct declarations, move them to
corresponding header files and export the needed functions.

Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Sohil Mehta
2018-09-11 17:11:36 -07:00
committed by Joerg Roedel
parent 6bf4ca7fbc
commit 26b86092c4
4 changed files with 36 additions and 29 deletions
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30
include/linux/intel-iommu.h
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@@ -389,6 +389,33 @@ struct pasid_entry;
struct pasid_state_entry;
struct page_req_dsc;
/*
* 0: Present
* 1-11: Reserved
* 12-63: Context Ptr (12 - (haw-1))
* 64-127: Reserved
*/
struct root_entry {
u64 lo;
u64 hi;
};
/*
* low 64 bits:
* 0: present
* 1: fault processing disable
* 2-3: translation type
* 12-63: address space root
* high 64 bits:
* 0-2: address width
* 3-6: aval
* 8-23: domain id
*/
struct context_entry {
u64 lo;
u64 hi;
};
struct dmar_domain {
int nid; /* node id */
@@ -559,5 +586,8 @@ extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev);
#endif
extern const struct attribute_group *intel_iommu_groups[];
bool context_present(struct context_entry *context);
struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus,
u8 devfn, int alloc);
#endif