projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| c1c5413a SS |
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 | ||
| 9c35e90c IC |
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) | |
| c1c5413a SS |
28 | |
| 29 | static inline int xen_must_unplug_nics(void) { | |
| 30 | #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \ | |
| 31 | defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \ | |
| 5f76d707 | 32 | defined(CONFIG_XEN_PVHVM) |
| c1c5413a SS |
33 | return 1; |
| 34 | #else | |
| 35 | return 0; | |
| 36 | #endif | |
| 37 | } | |
| 38 | ||
| 39 | static inline int xen_must_unplug_disks(void) { | |
| 40 | #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \ | |
| 41 | defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \ | |
| 5f76d707 | 42 | defined(CONFIG_XEN_PVHVM) |
| c1c5413a SS |
43 | return 1; |
| 44 | #else | |
| 45 | return 0; | |
| 46 | #endif | |
| 47 | } | |
| 48 | ||
| 51c71a3b KRW |
49 | #if defined(CONFIG_XEN_PVHVM) |
| 50 | extern bool xen_has_pv_devices(void); | |
| 51 | extern bool xen_has_pv_disk_devices(void); | |
| 52 | extern bool xen_has_pv_nic_devices(void); | |
| 53 | extern bool xen_has_pv_and_legacy_disk_devices(void); | |
| 54 | #else | |
| 55 | static inline bool xen_has_pv_devices(void) | |
| 56 | { | |
| 57 | return IS_ENABLED(CONFIG_XEN); | |
| 58 | } | |
| 59 | static inline bool xen_has_pv_disk_devices(void) | |
| 60 | { | |
| 61 | return IS_ENABLED(CONFIG_XEN); | |
| 62 | } | |
| 63 | static inline bool xen_has_pv_nic_devices(void) | |
| 64 | { | |
| 65 | return IS_ENABLED(CONFIG_XEN); | |
| 66 | } | |
| 67 | static inline bool xen_has_pv_and_legacy_disk_devices(void) | |
| 68 | { | |
| 69 | return false; | |
| 70 | } | |
| 71 | #endif | |
| c1c5413a | 72 | #endif /* _XEN_PLATFORM_PCI_H */ |