Edit File: 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 } 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 } extern int xen_platform_pci_unplug; #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 */