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140 lines
5.2 KiB
C
140 lines
5.2 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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#define XCFLAGS_HVM 4
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#define XCFLAGS_STDVGA 8
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/**
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* This function will save a running domain.
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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_domain_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)(void), int hvm,
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void *(*init_qemu_maps)(int, unsigned), /* HVM only */
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void (*qemu_flip_buffer)(int, int)); /* HVM only */
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/**
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* This function will restore a saved domain.
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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 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 hvm non-zero if this is a HVM restore
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* @parm pae non-zero if this HVM domain has PAE support enabled
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* @return 0 on success, -1 on failure
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*/
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int xc_domain_restore(int xc_handle, int io_fd, uint32_t dom,
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unsigned int store_evtchn, unsigned long *store_mfn,
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unsigned int console_evtchn, unsigned long *console_mfn,
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unsigned int hvm, unsigned int pae);
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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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/** The same interface, but the dom structure is managed by the caller */
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struct xc_dom_image;
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int xc_dom_linux_build(int xc_handle,
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struct xc_dom_image *dom,
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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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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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#endif /* XENGUEST_H */
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