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-rw-r--r--drivers/pci/hotplug/rpaphp.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
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index 000000000000..81746e6e0e0f
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+++ b/drivers/pci/hotplug/rpaphp.h
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1/*
2 * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
3 *
4 * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
5 *
6 * All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or (at
11 * your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
16 * NON INFRINGEMENT. See the GNU General Public License for more
17 * details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 * Send feedback to <lxie@us.ibm.com>,
24 *
25 */
26
27#ifndef _PPC64PHP_H
28#define _PPC64PHP_H
29
30#include <linux/pci.h>
31#include "pci_hotplug.h"
32
33#define PHB 2
34#define HOTPLUG 1
35#define EMBEDDED 0
36
37#define DR_INDICATOR 9002
38#define DR_ENTITY_SENSE 9003
39
40#define POWER_ON 100
41#define POWER_OFF 0
42
43#define LED_OFF 0
44#define LED_ON 1 /* continuous on */
45#define LED_ID 2 /* slow blinking */
46#define LED_ACTION 3 /* fast blinking */
47
48/* Sensor values from rtas_get-sensor */
49#define EMPTY 0 /* No card in slot */
50#define PRESENT 1 /* Card in slot */
51
52#define MY_NAME "rpaphp"
53extern int debug;
54#define dbg(format, arg...) \
55 do { \
56 if (debug) \
57 printk(KERN_DEBUG "%s: " format, \
58 MY_NAME , ## arg); \
59 } while (0)
60#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
61#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
62#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
63
64/* slot types */
65#define VIO_DEV 1
66#define PCI_DEV 2
67
68/* slot states */
69
70#define NOT_VALID 3
71#define NOT_CONFIGURED 2
72#define CONFIGURED 1
73#define EMPTY 0
74
75struct rpaphp_pci_func {
76 struct pci_dev *pci_dev;
77 struct list_head sibling;
78};
79
80/*
81 * struct slot - slot information for each *physical* slot
82 */
83struct slot {
84 struct list_head rpaphp_slot_list;
85 int state;
86 u32 index;
87 u32 type;
88 u32 power_domain;
89 char *name;
90 char *location;
91 u8 removable;
92 u8 dev_type; /* VIO or PCI */
93 struct device_node *dn; /* slot's device_node in OFDT */
94 /* dn has phb info */
95 struct pci_dev *bridge; /* slot's pci_dev in pci_devices */
96 union {
97 struct list_head *pci_devs; /* pci_devs in PCI slot */
98 struct vio_dev *vio_dev; /* vio_dev in VIO slot */
99 } dev;
100 struct hotplug_slot *hotplug_slot;
101};
102
103extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
104extern struct list_head rpaphp_slot_head;
105extern int num_slots;
106
107/* function prototypes */
108
109/* rpaphp_pci.c */
110extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn);
111extern int rpaphp_claim_resource(struct pci_dev *dev, int resource);
112extern int rpaphp_enable_pci_slot(struct slot *slot);
113extern int register_pci_slot(struct slot *slot);
114extern int rpaphp_unconfig_pci_adapter(struct slot *slot);
115extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value);
116extern struct hotplug_slot *rpaphp_find_hotplug_slot(struct pci_dev *dev);
117
118/* rpaphp_core.c */
119extern int rpaphp_add_slot(struct device_node *dn);
120extern int rpaphp_remove_slot(struct slot *slot);
121extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
122 char **drc_name, char **drc_type, int *drc_power_domain);
123
124/* rpaphp_vio.c */
125extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value);
126extern int rpaphp_unconfig_vio_adapter(struct slot *slot);
127extern int register_vio_slot(struct device_node *dn);
128extern int rpaphp_enable_vio_slot(struct slot *slot);
129
130/* rpaphp_slot.c */
131extern void dealloc_slot_struct(struct slot *slot);
132extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
133extern int register_slot(struct slot *slot);
134extern int deregister_slot(struct slot *slot);
135extern int rpaphp_get_power_status(struct slot *slot, u8 * value);
136extern int rpaphp_set_attention_status(struct slot *slot, u8 status);
137
138#endif /* _PPC64PHP_H */