mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 00:04:15 +08:00
6f6c15ef91
Since we have xen_has_pv_devices,xen_has_pv_disk_devices, xen_has_pv_nic_devices, and xen_has_pv_and_legacy_disk_devices to figure out the different 'unplug' behaviors - lets use those instead of this single int. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
#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
|
|
}
|
|
|
|
#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 */
|