1c599472b0
This patch adds a command-line option (-xen-domid-restrict) which will
use the new libxendevicemodel API to restrict devicemodel [1] operations
to the specified domid. (Such operations are not applicable to the xenpv
machine type).
This patch also adds a tracepoint to allow successful enabling of the
restriction to be monitored.
[1] I.e. operations issued by libxendevicemodel. Operation issued by other
xen libraries (e.g. libxenforeignmemory) are currently still unrestricted
but this will be rectified by subsequent patches.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#ifndef QEMU_HW_XEN_H
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#define QEMU_HW_XEN_H
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/*
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* public xen header
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* stuff needed outside xen-*.c, i.e. interfaces to qemu.
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* must not depend on any xen headers being present in
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* /usr/include/xen, so it can be included unconditionally.
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*/
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#include "qemu-common.h"
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#include "exec/cpu-common.h"
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#include "hw/irq.h"
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/* xen-machine.c */
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enum xen_mode {
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XEN_EMULATE = 0, // xen emulation, using xenner (default)
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XEN_CREATE, // create xen domain
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XEN_ATTACH // attach to xen domain created by xend
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};
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extern uint32_t xen_domid;
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extern enum xen_mode xen_mode;
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extern bool xen_domid_restrict;
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extern bool xen_allowed;
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static inline bool xen_enabled(void)
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{
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return xen_allowed;
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}
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int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num);
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void xen_piix3_set_irq(void *opaque, int irq_num, int level);
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void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len);
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void xen_hvm_inject_msi(uint64_t addr, uint32_t data);
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int xen_is_pirq_msi(uint32_t msi_data);
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qemu_irq *xen_interrupt_controller_init(void);
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void xenstore_store_pv_console_info(int i, struct Chardev *chr);
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void xen_hvm_init(PCMachineState *pcms, MemoryRegion **ram_memory);
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void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
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struct MemoryRegion *mr, Error **errp);
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void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
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void xen_register_framebuffer(struct MemoryRegion *mr);
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#endif /* QEMU_HW_XEN_H */
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