HardenedBSD/sys/xen/interface/device_tree_defs.h
Roger Pau Monné 5ed9deef6b xen: update interface headers
This is a verbatim copy of the public headers from Xen 4.14.1.

No functional change intended.

Sponsored by: Citrix Systems R&D
2021-01-11 16:14:59 +01:00

43 lines
1.4 KiB
C

#ifndef __XEN_DEVICE_TREE_DEFS_H__
#define __XEN_DEVICE_TREE_DEFS_H__
#if defined(__XEN__) || defined(__XEN_TOOLS__)
/*
* The device tree compiler (DTC) is allocating the phandle from 1 to
* onwards. Reserve a high value for the GIC phandle.
*/
#define GUEST_PHANDLE_GIC (65000)
#define GUEST_ROOT_ADDRESS_CELLS 2
#define GUEST_ROOT_SIZE_CELLS 2
/**
* IRQ line type.
*
* DT_IRQ_TYPE_NONE - default, unspecified type
* DT_IRQ_TYPE_EDGE_RISING - rising edge triggered
* DT_IRQ_TYPE_EDGE_FALLING - falling edge triggered
* DT_IRQ_TYPE_EDGE_BOTH - rising and falling edge triggered
* DT_IRQ_TYPE_LEVEL_HIGH - high level triggered
* DT_IRQ_TYPE_LEVEL_LOW - low level triggered
* DT_IRQ_TYPE_LEVEL_MASK - Mask to filter out the level bits
* DT_IRQ_TYPE_SENSE_MASK - Mask for all the above bits
* DT_IRQ_TYPE_INVALID - Use to initialize the type
*/
#define DT_IRQ_TYPE_NONE 0x00000000
#define DT_IRQ_TYPE_EDGE_RISING 0x00000001
#define DT_IRQ_TYPE_EDGE_FALLING 0x00000002
#define DT_IRQ_TYPE_EDGE_BOTH \
(DT_IRQ_TYPE_EDGE_FALLING | DT_IRQ_TYPE_EDGE_RISING)
#define DT_IRQ_TYPE_LEVEL_HIGH 0x00000004
#define DT_IRQ_TYPE_LEVEL_LOW 0x00000008
#define DT_IRQ_TYPE_LEVEL_MASK \
(DT_IRQ_TYPE_LEVEL_LOW | DT_IRQ_TYPE_LEVEL_HIGH)
#define DT_IRQ_TYPE_SENSE_MASK 0x0000000f
#define DT_IRQ_TYPE_INVALID 0x00000010
#endif
#endif