[deliverable/linux.git] / include / xen / 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;

#endif /* _XEN_PLATFORM_PCI_H */
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
	49	extern int xen_platform_pci_unplug;
	50
	51	#endif /* _XEN_PLATFORM_PCI_H */