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<<0) 20#define XEN_UNPLUG_ALL_NICS (1<<1) 21#define XEN_UNPLUG_AUX_IDE_DISKS (1<<2) 22#define XEN_UNPLUG_ALL (XEN_UNPLUG_ALL_IDE_DISKS|\ 23 XEN_UNPLUG_ALL_NICS|\ 24 XEN_UNPLUG_AUX_IDE_DISKS) 25 26#define XEN_UNPLUG_UNNECESSARY (1<<16) 27#define XEN_UNPLUG_NEVER (1<<17) 28 29static inline int xen_must_unplug_nics(void) { 30#if (defined(CONFIG_XEN_NETDEV_FRONTEND) || defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) \ 31 && (defined(CONFIG_XEN_PLATFORM_PCI) || defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) 32 return 1; 33#else 34 return 0; 35#endif 36} 37 38static inline int xen_must_unplug_disks(void) { 39#if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) \ 40 && (defined(CONFIG_XEN_PLATFORM_PCI) || defined(CONFIG_XEN_PLATFORM_PCI_MODULE)) 41 return 1; 42#else 43 return 0; 44#endif 45} 46 47extern int xen_platform_pci_unplug; 48 49#endif /* _XEN_PLATFORM_PCI_H */ 50