Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _XEN_PLATFORM_PCI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _XEN_PLATFORM_PCI_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #define XEN_IOPORT_MAGIC_VAL 0x49d2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #define XEN_IOPORT_LINUX_PRODNUM 0x0003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #define XEN_IOPORT_LINUX_DRVVER  0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define XEN_IOPORT_BASE 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define XEN_IOPORT_PLATFLAGS	(XEN_IOPORT_BASE + 0) /* 1 byte access (R/W) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define XEN_IOPORT_MAGIC	(XEN_IOPORT_BASE + 0) /* 2 byte access (R) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define XEN_IOPORT_UNPLUG	(XEN_IOPORT_BASE + 0) /* 2 byte access (W) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define XEN_IOPORT_DRVVER	(XEN_IOPORT_BASE + 0) /* 4 byte access (W) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define XEN_IOPORT_SYSLOG	(XEN_IOPORT_BASE + 2) /* 1 byte access (W) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define XEN_IOPORT_PROTOVER	(XEN_IOPORT_BASE + 2) /* 1 byte access (R) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define XEN_IOPORT_PRODNUM	(XEN_IOPORT_BASE + 2) /* 2 byte access (W) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define XEN_UNPLUG_ALL_IDE_DISKS	(1<<0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define XEN_UNPLUG_ALL_NICS		(1<<1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define XEN_UNPLUG_AUX_IDE_DISKS	(1<<2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define XEN_UNPLUG_ALL			(XEN_UNPLUG_ALL_IDE_DISKS|\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 					 XEN_UNPLUG_ALL_NICS|\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 					 XEN_UNPLUG_AUX_IDE_DISKS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define XEN_UNPLUG_UNNECESSARY 		(1<<16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define XEN_UNPLUG_NEVER	 		(1<<17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static inline int xen_must_unplug_nics(void) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		defined(CONFIG_XEN_PVHVM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)         return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)         return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static inline int xen_must_unplug_disks(void) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		defined(CONFIG_XEN_PVHVM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)         return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)         return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #if defined(CONFIG_XEN_PVHVM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) extern bool xen_has_pv_devices(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) extern bool xen_has_pv_disk_devices(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) extern bool xen_has_pv_nic_devices(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) extern bool xen_has_pv_and_legacy_disk_devices(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static inline bool xen_has_pv_devices(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	return IS_ENABLED(CONFIG_XEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static inline bool xen_has_pv_disk_devices(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	return IS_ENABLED(CONFIG_XEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static inline bool xen_has_pv_nic_devices(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	return IS_ENABLED(CONFIG_XEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static inline bool xen_has_pv_and_legacy_disk_devices(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #endif /* _XEN_PLATFORM_PCI_H */