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141 lines
5.1 KiB
C
141 lines
5.1 KiB
C
/******************************************************************************
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* xenguest.h
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*
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* A library for guest domain management in Xen.
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*
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* Copyright (c) 2003-2004, K A Fraser.
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*/
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#ifndef XENGUEST_H
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#define XENGUEST_H
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#define XCFLAGS_LIVE 1
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#define XCFLAGS_DEBUG 2
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/**
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* This function will save a domain running Linux.
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*
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* @parm xc_handle a handle to an open hypervisor interface
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* @parm fd the file descriptor to save a domain to
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* @parm dom the id of the domain
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* @return 0 on success, -1 on failure
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*/
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int xc_linux_save(int xc_handle, int io_fd, uint32_t dom, uint32_t max_iters,
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uint32_t max_factor, uint32_t flags /* XCFLAGS_xxx */,
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int (*suspend)(int domid));
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/**
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* This function will restore a saved domain running Linux.
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*
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* @parm xc_handle a handle to an open hypervisor interface
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* @parm fd the file descriptor to restore a domain from
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* @parm dom the id of the domain
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* @parm nr_pfns the number of pages
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* @parm store_evtchn the store event channel for this domain to use
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* @parm store_mfn returned with the mfn of the store page
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* @return 0 on success, -1 on failure
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*/
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int xc_linux_restore(int xc_handle, int io_fd, uint32_t dom,
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unsigned long nr_pfns, unsigned int store_evtchn,
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unsigned long *store_mfn, unsigned int console_evtchn,
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unsigned long *console_mfn);
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/**
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* This function will create a domain for a paravirtualized Linux
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* using file names pointing to kernel and ramdisk
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*
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* @parm xc_handle a handle to an open hypervisor interface
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* @parm domid the id of the domain
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* @parm mem_mb memory size in megabytes
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* @parm image_name name of the kernel image file
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* @parm ramdisk_name name of the ramdisk image file
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* @parm cmdline command line string
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* @parm flags domain creation flags
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* @parm store_evtchn the store event channel for this domain to use
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* @parm store_mfn returned with the mfn of the store page
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* @parm console_evtchn the console event channel for this domain to use
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* @parm conole_mfn returned with the mfn of the console page
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* @return 0 on success, -1 on failure
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*/
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int xc_linux_build(int xc_handle,
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uint32_t domid,
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unsigned int mem_mb,
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const char *image_name,
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const char *ramdisk_name,
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const char *cmdline,
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const char *features,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn,
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unsigned long *console_mfn);
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/**
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* This function will create a domain for a paravirtualized Linux
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* using buffers for kernel and initrd
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*
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* @parm xc_handle a handle to an open hypervisor interface
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* @parm domid the id of the domain
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* @parm mem_mb memory size in megabytes
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* @parm image_buffer buffer containing kernel image
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* @parm image_size size of the kernel image buffer
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* @parm initrd_buffer name of the ramdisk image file
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* @parm initrd_size size of the ramdisk buffer
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* @parm cmdline command line string
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* @parm flags domain creation flags
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* @parm store_evtchn the store event channel for this domain to use
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* @parm store_mfn returned with the mfn of the store page
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* @parm console_evtchn the console event channel for this domain to use
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* @parm conole_mfn returned with the mfn of the console page
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* @return 0 on success, -1 on failure
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*/
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int xc_linux_build_mem(int xc_handle,
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uint32_t domid,
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unsigned int mem_mb,
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const char *image_buffer,
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unsigned long image_size,
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const char *initrd_buffer,
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unsigned long initrd_size,
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const char *cmdline,
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const char *features,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn,
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unsigned long *console_mfn);
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int xc_hvm_build(int xc_handle,
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uint32_t domid,
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int memsize,
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const char *image_name);
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int xc_hvm_build_mem(int xc_handle,
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uint32_t domid,
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int memsize,
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const char *image_buffer,
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unsigned long image_size);
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int xc_set_hvm_param(
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int handle, domid_t dom, int param, unsigned long value);
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int xc_get_hvm_param(
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int handle, domid_t dom, int param, unsigned long *value);
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/* PowerPC specific. */
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int xc_prose_build(int xc_handle,
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uint32_t domid,
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unsigned int mem_mb,
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const char *image_name,
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const char *ramdisk_name,
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const char *cmdline,
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const char *features,
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unsigned long flags,
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unsigned int store_evtchn,
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unsigned long *store_mfn,
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unsigned int console_evtchn,
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unsigned long *console_mfn,
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void *arch_args);
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#endif /* XENGUEST_H */
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