WebSVN – HelenOS – Blame – /branches/dynload/kernel/genarch/include/ofw/ofw_tree.h

Rev	Author	Line No.	Line
1893	jermar	1	/*
		2	* Copyright (C) 2006 Jakub Jermar
		3	* All rights reserved.
		4	*
		5	* Redistribution and use in source and binary forms, with or without
		6	* modification, are permitted provided that the following conditions
		7	* are met:
		8	*
		9	* - Redistributions of source code must retain the above copyright
		10	* notice, this list of conditions and the following disclaimer.
		11	* - Redistributions in binary form must reproduce the above copyright
		12	* notice, this list of conditions and the following disclaimer in the
		13	* documentation and/or other materials provided with the distribution.
		14	* - The name of the author may not be used to endorse or promote products
		15	* derived from this software without specific prior written permission.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*/
		28
1894	jermar	29	#ifndef KERN_OFW_TREE_H_
		30	#define KERN_OFW_TREE_H_
1893	jermar	31
1894	jermar	32	#include <arch/types.h>
1895	jermar	33	#include <typedefs.h>
1893	jermar	34
		35	#define OFW_TREE_PROPERTY_MAX_NAMELEN 32
		36
		37	typedef struct ofw_tree_node ofw_tree_node_t;
		38	typedef struct ofw_tree_property ofw_tree_property_t;
		39
1894	jermar	40	/** Memory representation of OpenFirmware device tree node. */
1893	jermar	41	struct ofw_tree_node {
		42	ofw_tree_node_t *parent;
		43	ofw_tree_node_t *peer;
		44	ofw_tree_node_t *child;
		45
1907	jermar	46	uint32_t node_handle; /*< Old OpenFirmware node handle. /
1895	jermar	47
1907	jermar	48	char da_name; /< Disambigued name. /
		49
		50	unsigned properties; /*< Number of properties. /
1893	jermar	51	ofw_tree_property_t *property;
1909	jermar	52
		53	/**
		54	* Pointer to a structure representing respective device.
		55	* Its semantics is device dependent.
		56	*/
		57	void *device;
1893	jermar	58	};
		59
1894	jermar	60	/** Memory representation of OpenFirmware device tree node property. */
1893	jermar	61	struct ofw_tree_property {
		62	char name[OFW_TREE_PROPERTY_MAX_NAMELEN];
		63	size_t size;
		64	void *value;
		65	};
		66
1896	jermar	67	/*
		68	* Definition of 'reg' and 'ranges' properties for various buses.
		69	*/
		70
		71	struct ofw_fhc_reg {
		72	uint64_t addr;
		73	uint32_t size;
		74	} __attribute__ ((packed));
		75	typedef struct ofw_fhc_reg ofw_fhc_reg_t;
		76
		77	struct ofw_fhc_range {
		78	uint64_t child_base;
		79	uint64_t parent_base;
		80	uint32_t size;
		81	} __attribute__ ((packed));
		82	typedef struct ofw_fhc_range ofw_fhc_range_t;
		83
		84	struct ofw_central_reg {
		85	uint64_t addr;
		86	uint32_t size;
		87	} __attribute__ ((packed));
		88	typedef struct ofw_central_reg ofw_central_reg_t;
		89
		90	struct ofw_central_range {
		91	uint64_t child_base;
		92	uint64_t parent_base;
		93	uint32_t size;
		94	} __attribute__ ((packed));
		95	typedef struct ofw_central_range ofw_central_range_t;
		96
		97	struct ofw_ebus_reg {
		98	uint32_t space;
		99	uint32_t addr;
		100	uint32_t size;
		101	} __attribute__ ((packed));
		102	typedef struct ofw_ebus_reg ofw_ebus_reg_t;
		103
		104	struct ofw_ebus_range {
		105	uint32_t child_space;
		106	uint32_t child_base;
		107	uint32_t parent_space;
		108	uint64_t parent_base; /* group phys.mid and phys.lo together */
		109	uint32_t size;
		110	} __attribute__ ((packed));
		111	typedef struct ofw_ebus_range ofw_ebus_range_t;
		112
1909	jermar	113	struct ofw_ebus_intr_map {
		114	uint32_t space;
		115	uint32_t addr;
		116	uint32_t intr;
		117	uint32_t controller_handle;
		118	uint32_t controller_ino;
		119	} __attribute__ ((packed));
		120	typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t;
		121
		122	struct ofw_ebus_intr_mask {
		123	uint32_t space_mask;
		124	uint32_t addr_mask;
		125	uint32_t intr_mask;
		126	} __attribute__ ((packed));
		127	typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t;
		128
1896	jermar	129	struct ofw_pci_reg {
1909	jermar	130	uint32_t space; /* needs to be masked to obtain pure space id */
1896	jermar	131	uint64_t addr; /* group phys.mid and phys.lo together */
		132	uint64_t size;
		133	} __attribute__ ((packed));
		134	typedef struct ofw_pci_reg ofw_pci_reg_t;
		135
		136	struct ofw_pci_range {
		137	uint32_t space;
		138	uint64_t child_base; /* group phys.mid and phys.lo together */
		139	uint64_t parent_base;
		140	uint64_t size;
		141	} __attribute__ ((packed));
		142	typedef struct ofw_pci_range ofw_pci_range_t;
		143
1898	jermar	144	struct ofw_upa_reg {
		145	uint64_t addr;
		146	uint64_t size;
1896	jermar	147	} __attribute__ ((packed));
1898	jermar	148	typedef struct ofw_upa_reg ofw_upa_reg_t;
1896	jermar	149
1895	jermar	150	extern void ofw_tree_init(ofw_tree_node_t *root);
		151	extern void ofw_tree_print(void);
		152	extern const char ofw_tree_node_name(const ofw_tree_node_t node);
		153	extern ofw_tree_node_t ofw_tree_lookup(const char path);
1896	jermar	154	extern ofw_tree_property_t ofw_tree_getprop(const ofw_tree_node_t node, const char *name);
1899	jermar	155	extern ofw_tree_node_t ofw_tree_find_child(ofw_tree_node_t node, const char *name);
		156	extern ofw_tree_node_t ofw_tree_find_child_by_device_type(ofw_tree_node_t node, const char *device_type);
		157	extern ofw_tree_node_t ofw_tree_find_peer_by_device_type(ofw_tree_node_t node, const char *device_type);
1908	jermar	158	extern ofw_tree_node_t ofw_tree_find_node_by_handle(ofw_tree_node_t root, uint32_t handle);
1895	jermar	159
1896	jermar	160	extern bool ofw_fhc_apply_ranges(ofw_tree_node_t node, ofw_fhc_reg_t reg, uintptr_t *pa);
		161	extern bool ofw_central_apply_ranges(ofw_tree_node_t node, ofw_central_reg_t reg, uintptr_t *pa);
		162	extern bool ofw_ebus_apply_ranges(ofw_tree_node_t node, ofw_ebus_reg_t reg, uintptr_t *pa);
		163	extern bool ofw_pci_apply_ranges(ofw_tree_node_t node, ofw_pci_reg_t reg, uintptr_t *pa);
1898	jermar	164	extern bool ofw_upa_apply_ranges(ofw_tree_node_t node, ofw_upa_reg_t reg, uintptr_t *pa);
1896	jermar	165
1897	jermar	166	extern bool ofw_pci_reg_absolutize(ofw_tree_node_t node, ofw_pci_reg_t reg, ofw_pci_reg_t *out);
		167
1909	jermar	168	extern bool ofw_fhc_map_interrupts(ofw_tree_node_t node, ofw_fhc_reg_t reg, uint32_t interrupt, int *ino);
		169	extern bool ofw_ebus_map_interrupts(ofw_tree_node_t node, ofw_ebus_reg_t reg, uint32_t interrupt, int *ino);
		170
1893	jermar	171	#endif

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