[Xen-devel] ãproblemãwhat does these macro used by xc_domain_save mean IN xen-4.1.2?

[éç <aware.why@xxxxxxxxx>]

Hi all,

    The macros list here,  and what does each mean? Waht's the principle for saving a dom state and the algorithm for memory dump?

129#define XEN_DOMCTL_getpageframeinfo   7

130

131#define XEN_DOMCTL_PFINFO_LTAB_SHIFT 28

132#define XEN_DOMCTL_PFINFO_NOTAB   (0x0U<<28)

133#define XEN_DOMCTL_PFINFO_L1TAB   (0x1U<<28)

134#define XEN_DOMCTL_PFINFO_L2TAB   (0x2U<<28)

135#define XEN_DOMCTL_PFINFO_L3TAB   (0x3U<<28)

136#define XEN_DOMCTL_PFINFO_L4TAB   (0x4U<<28)

137#define XEN_DOMCTL_PFINFO_LTABTYPE_MASK (0x7U<<28)

138#define XEN_DOMCTL_PFINFO_LPINTAB (0x1U<<31)

139#define XEN_DOMCTL_PFINFO_XTAB    (0xfU<<28) /* invalid page */

140#define XEN_DOMCTL_PFINFO_LTAB_MASK (0xfU<<28)   

Thanks

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