diff options
Diffstat (limited to 'drivers/pci/hotplug/rpaphp.h')
-rw-r--r-- | drivers/pci/hotplug/rpaphp.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h new file mode 100644 index 000000000000..81746e6e0e0f --- /dev/null +++ b/drivers/pci/hotplug/rpaphp.h | |||
@@ -0,0 +1,138 @@ | |||
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" | ||
53 | extern 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 | |||
75 | struct 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 | */ | ||
83 | struct 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 | |||
103 | extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops; | ||
104 | extern struct list_head rpaphp_slot_head; | ||
105 | extern int num_slots; | ||
106 | |||
107 | /* function prototypes */ | ||
108 | |||
109 | /* rpaphp_pci.c */ | ||
110 | extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn); | ||
111 | extern int rpaphp_claim_resource(struct pci_dev *dev, int resource); | ||
112 | extern int rpaphp_enable_pci_slot(struct slot *slot); | ||
113 | extern int register_pci_slot(struct slot *slot); | ||
114 | extern int rpaphp_unconfig_pci_adapter(struct slot *slot); | ||
115 | extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value); | ||
116 | extern struct hotplug_slot *rpaphp_find_hotplug_slot(struct pci_dev *dev); | ||
117 | |||
118 | /* rpaphp_core.c */ | ||
119 | extern int rpaphp_add_slot(struct device_node *dn); | ||
120 | extern int rpaphp_remove_slot(struct slot *slot); | ||
121 | extern 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 */ | ||
125 | extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value); | ||
126 | extern int rpaphp_unconfig_vio_adapter(struct slot *slot); | ||
127 | extern int register_vio_slot(struct device_node *dn); | ||
128 | extern int rpaphp_enable_vio_slot(struct slot *slot); | ||
129 | |||
130 | /* rpaphp_slot.c */ | ||
131 | extern void dealloc_slot_struct(struct slot *slot); | ||
132 | extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain); | ||
133 | extern int register_slot(struct slot *slot); | ||
134 | extern int deregister_slot(struct slot *slot); | ||
135 | extern int rpaphp_get_power_status(struct slot *slot, u8 * value); | ||
136 | extern int rpaphp_set_attention_status(struct slot *slot, u8 status); | ||
137 | |||
138 | #endif /* _PPC64PHP_H */ | ||