include/xen/platform_pci.h

Source file repositories/reference/linux-study-clean/include/xen/platform_pci.h

File Facts

System
Linux kernel
Corpus path
include/xen/platform_pci.h
Extension
.h
Size
2094 bytes
Lines
74
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

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
}

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
}

#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);
}
static inline bool xen_has_pv_disk_devices(void)
{
	return IS_ENABLED(CONFIG_XEN);
}
static inline bool xen_has_pv_nic_devices(void)
{
	return IS_ENABLED(CONFIG_XEN);
}
static inline bool xen_has_pv_and_legacy_disk_devices(void)
{
	return false;
}
#endif
#endif /* _XEN_PLATFORM_PCI_H */

Annotation

Implementation Notes