Release 4.12 include/xen/platform_pci.h

#ifndef _XEN_PLATFORM_PCI_H

#define _XEN_PLATFORM_PCI_H


#define XEN_IOPORT_MAGIC_VAL 0x49d2

#define XEN_IOPORT_LINUX_PRODNUM 0x0003

#define XEN_IOPORT_LINUX_DRVVER  0x0001


#define XEN_IOPORT_BASE 0x10


#define XEN_IOPORT_PLATFLAGS	(XEN_IOPORT_BASE + 0) 
/* 1 byte access (R/W) */

#define XEN_IOPORT_MAGIC	(XEN_IOPORT_BASE + 0) 
/* 2 byte access (R) */

#define XEN_IOPORT_UNPLUG	(XEN_IOPORT_BASE + 0) 
/* 2 byte access (W) */

#define XEN_IOPORT_DRVVER	(XEN_IOPORT_BASE + 0) 
/* 4 byte access (W) */


#define XEN_IOPORT_SYSLOG	(XEN_IOPORT_BASE + 2) 
/* 1 byte access (W) */

#define XEN_IOPORT_PROTOVER	(XEN_IOPORT_BASE + 2) 
/* 1 byte access (R) */

#define XEN_IOPORT_PRODNUM	(XEN_IOPORT_BASE + 2) 
/* 2 byte access (W) */


#define XEN_UNPLUG_ALL_IDE_DISKS	(1<<0)

#define XEN_UNPLUG_ALL_NICS		(1<<1)

#define XEN_UNPLUG_AUX_IDE_DISKS	(1<<2)

#define XEN_UNPLUG_ALL			(XEN_UNPLUG_ALL_IDE_DISKS|\
                                         XEN_UNPLUG_ALL_NICS|\
                                         XEN_UNPLUG_AUX_IDE_DISKS)


#define XEN_UNPLUG_UNNECESSARY 		(1<<16)

#define XEN_UNPLUG_NEVER	 		(1<<17)



static inline int xen_must_unplug_nics(void) {
#if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \
		defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \
		defined(CONFIG_XEN_PVHVM)
        return 1;
#else
        return 0;
#endif
}

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static inline int xen_must_unplug_disks(void) {
#if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \
		defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \
		defined(CONFIG_XEN_PVHVM)
        return 1;
#else
        return 0;
#endif
}

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2
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#if defined(CONFIG_XEN_PVHVM)
extern bool xen_has_pv_devices(void);
extern bool xen_has_pv_disk_devices(void);
extern bool xen_has_pv_nic_devices(void);
extern bool xen_has_pv_and_legacy_disk_devices(void);
#else


static inline bool xen_has_pv_devices(void)
{
	return IS_ENABLED(CONFIG_XEN);
}
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static inline bool xen_has_pv_disk_devices(void)
{
	return IS_ENABLED(CONFIG_XEN);
}
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static inline bool xen_has_pv_nic_devices(void)
{
	return IS_ENABLED(CONFIG_XEN);
}
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static inline bool xen_has_pv_and_legacy_disk_devices(void)
{
	return false;
}
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#endif
#endif /* _XEN_PLATFORM_PCI_H */
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16.67%
Ian Campbell
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3.89%
3
50.00%
Daniel De Graaf
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0.78%
1
16.67%
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100.00%
Directory: include/xen

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