One less qemu-specific macro. It also helps to make some headers/units only depend on glib, and thus moved in standalone projects eventually. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
		
			
				
	
	
		
			82 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef QEMU_HW_XEN_PVDEV_H
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| #define QEMU_HW_XEN_PVDEV_H
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| 
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| #include "hw/xen/xen_common.h"
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| /* ------------------------------------------------------------- */
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| 
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| #define XEN_BUFSIZE 1024
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| 
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| struct XenLegacyDevice;
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| 
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| /* driver uses grant tables  ->  open gntdev device (xendev->gnttabdev) */
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| #define DEVOPS_FLAG_NEED_GNTDEV   1
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| /* don't expect frontend doing correct state transitions (aka console quirk) */
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| #define DEVOPS_FLAG_IGNORE_STATE  2
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| 
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| struct XenDevOps {
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|     size_t    size;
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|     uint32_t  flags;
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|     void      (*alloc)(struct XenLegacyDevice *xendev);
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|     int       (*init)(struct XenLegacyDevice *xendev);
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|     int       (*initialise)(struct XenLegacyDevice *xendev);
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|     void      (*connected)(struct XenLegacyDevice *xendev);
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|     void      (*event)(struct XenLegacyDevice *xendev);
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|     void      (*disconnect)(struct XenLegacyDevice *xendev);
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|     int       (*free)(struct XenLegacyDevice *xendev);
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|     void      (*backend_changed)(struct XenLegacyDevice *xendev,
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|                                  const char *node);
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|     void      (*frontend_changed)(struct XenLegacyDevice *xendev,
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|                                   const char *node);
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|     int       (*backend_register)(void);
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| };
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| 
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| struct XenLegacyDevice {
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|     DeviceState        qdev;
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|     const char         *type;
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|     int                dom;
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|     int                dev;
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|     char               name[64];
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|     int                debug;
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| 
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|     enum xenbus_state  be_state;
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|     enum xenbus_state  fe_state;
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|     int                online;
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|     char               be[XEN_BUFSIZE];
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|     char               *fe;
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|     char               *protocol;
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|     int                remote_port;
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|     int                local_port;
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| 
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|     xenevtchn_handle   *evtchndev;
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|     xengnttab_handle   *gnttabdev;
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| 
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|     struct XenDevOps   *ops;
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|     QTAILQ_ENTRY(XenLegacyDevice) next;
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| };
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| 
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| /* ------------------------------------------------------------- */
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| 
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| /* xenstore helper functions */
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| int xenstore_write_str(const char *base, const char *node, const char *val);
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| int xenstore_write_int(const char *base, const char *node, int ival);
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| int xenstore_write_int64(const char *base, const char *node, int64_t ival);
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| char *xenstore_read_str(const char *base, const char *node);
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| int xenstore_read_int(const char *base, const char *node, int *ival);
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| int xenstore_read_uint64(const char *base, const char *node, uint64_t *uval);
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| void xenstore_update(void *unused);
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| 
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| const char *xenbus_strstate(enum xenbus_state state);
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| 
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| void xen_pv_evtchn_event(void *opaque);
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| void xen_pv_insert_xendev(struct XenLegacyDevice *xendev);
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| void xen_pv_del_xendev(struct XenLegacyDevice *xendev);
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| struct XenLegacyDevice *xen_pv_find_xendev(const char *type, int dom, int dev);
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| 
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| void xen_pv_unbind_evtchn(struct XenLegacyDevice *xendev);
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| int xen_pv_send_notify(struct XenLegacyDevice *xendev);
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| 
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| void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level,
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|                    const char *fmt, ...)  G_GNUC_PRINTF(3, 4);
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| 
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| #endif /* QEMU_HW_XEN_PVDEV_H */
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