1 #ifndef _XEN_PLATFORM_PCI_H 2 #define _XEN_PLATFORM_PCI_H 3 4 #define XEN_IOPORT_MAGIC_VAL 0x49d2 5 #define XEN_IOPORT_LINUX_PRODNUM 0x0003 6 #define XEN_IOPORT_LINUX_DRVVER 0x0001 7 8 #define XEN_IOPORT_BASE 0x10 9 10 #define XEN_IOPORT_PLATFLAGS (XEN_IOPORT_BASE + 0) /* 1 byte access (R/W) */ 11 #define XEN_IOPORT_MAGIC (XEN_IOPORT_BASE + 0) /* 2 byte access (R) */ 12 #define XEN_IOPORT_UNPLUG (XEN_IOPORT_BASE + 0) /* 2 byte access (W) */ 13 #define XEN_IOPORT_DRVVER (XEN_IOPORT_BASE + 0) /* 4 byte access (W) */ 14 15 #define XEN_IOPORT_SYSLOG (XEN_IOPORT_BASE + 2) /* 1 byte access (W) */ 16 #define XEN_IOPORT_PROTOVER (XEN_IOPORT_BASE + 2) /* 1 byte access (R) */ 17 #define XEN_IOPORT_PRODNUM (XEN_IOPORT_BASE + 2) /* 2 byte access (W) */ 18 19 #define XEN_UNPLUG_ALL_IDE_DISKS 1 20 #define XEN_UNPLUG_ALL_NICS 2 21 #define XEN_UNPLUG_AUX_IDE_DISKS 4 22 #define XEN_UNPLUG_ALL 7 23 #define XEN_UNPLUG_IGNORE 8 24 25 static inline int xen_must_unplug_nics(void) { 26 #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \ 27 defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \ 28 (defined(CONFIG_XEN_PLATFORM_PCI) || \ 29 defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) 30 return 1; 31 #else 32 return 0; 33 #endif 34 } 35 36 static inline int xen_must_unplug_disks(void) { 37 #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \ 38 defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \ 39 (defined(CONFIG_XEN_PLATFORM_PCI) || \ 40 defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) 41 return 1; 42 #else 43 return 0; 44 #endif 45 } 46 47 extern int xen_platform_pci_unplug; 48 49 #endif /* _XEN_PLATFORM_PCI_H */ 50