 4c9f8d1b4e
			
		
	
	
		4c9f8d1b4e
		
	
	
	
	
		
			
			xc_hvm_inject_msi is only available on Xen >= 4.2: add a dummy compatibility function for Xen < 4.2. Also enable msi support only on Xen >= 4.2. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Anthony PERARD <anthony.perard@citrix.com>
		
			
				
	
	
		
			71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef QEMU_HW_XEN_H
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| #define QEMU_HW_XEN_H 1
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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 <inttypes.h>
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| 
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| #include "qemu-common.h"
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| 
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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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| 
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| extern uint32_t xen_domid;
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| extern enum xen_mode xen_mode;
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| 
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| extern int xen_allowed;
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| 
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| static inline int xen_enabled(void)
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| {
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| #if defined(CONFIG_XEN_BACKEND) && !defined(CONFIG_NO_XEN)
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|     return xen_allowed;
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| #else
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|     return 0;
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| #endif
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| }
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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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| void xen_cmos_set_s3_resume(void *opaque, int irq, int level);
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| 
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| qemu_irq *xen_interrupt_controller_init(void);
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| 
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| int xen_init(void);
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| int xen_hvm_init(void);
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| void xen_vcpu_init(void);
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| void xenstore_store_pv_console_info(int i, struct CharDriverState *chr);
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| 
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| #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY)
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| struct MemoryRegion;
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| void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
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|                    struct MemoryRegion *mr);
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| #endif
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| 
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| struct MemoryRegion;
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| void xen_register_framebuffer(struct MemoryRegion *mr);
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| 
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| #if defined(CONFIG_XEN) && CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
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| #  define HVM_MAX_VCPUS 32
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| #endif
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| 
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| static inline int xen_msi_support(void)
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| {
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| #if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
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|     && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
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|     return xen_enabled();
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| #else
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|     return 0;
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| #endif
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| }
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| 
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| #endif /* QEMU_HW_XEN_H */
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