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| 1 | /* Simple wrappers around HVM functions */ |
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| 2 | #ifndef XEN_HVM_H__ |
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| 3 | #define XEN_HVM_H__ |
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| 4 | |
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| 5 | #include <xen/interface/hvm/params.h> |
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| 6 | |
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| 7 | static inline unsigned long hvm_get_parameter(int idx) |
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| 8 | { |
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| 9 | struct xen_hvm_param xhv; |
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| 10 | int r; |
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| 11 | |
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| 12 | xhv.domid = DOMID_SELF; |
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| 13 | xhv.index = idx; |
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| 14 | r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv); |
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| 15 | if (r < 0) { |
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| 16 | printk(KERN_ERR "cannot get hvm parameter %d: %d.\n", |
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| 17 | idx, r); |
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| 18 | return 0; |
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| 19 | } |
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| 20 | return xhv.value; |
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| 21 | } |
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| 22 | |
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| 23 | #endif /* XEN_HVM_H__ */ |
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