2 * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
4 * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
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.
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
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.
23 * Send feedback to <lxie@us.ibm.com>,
30 #include <linux/pci.h>
31 #include "pci_hotplug.h"
33 #define DR_INDICATOR 9002
34 #define DR_ENTITY_SENSE 9003
40 #define LED_ON 1 /* continuous on */
41 #define LED_ID 2 /* slow blinking */
42 #define LED_ACTION 3 /* fast blinking */
44 /* Error status from rtas_get-sensor */
45 #define NEED_POWER -9000 /* slot must be power up and unisolated to get state */
46 #define PWR_ONLY -9001 /* slot must be powerd up to get state, leave isolated */
47 #define ERR_SENSE_USE -9002 /* No DR operation will succeed, slot is unusable */
49 /* Sensor values from rtas_get-sensor */
50 #define EMPTY 0 /* No card in slot */
51 #define PRESENT 1 /* Card in slot */
53 #define MY_NAME "rpaphp"
55 #define dbg(format, arg...) \
58 printk(KERN_DEBUG "%s: " format, \
61 #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
62 #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
63 #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
65 #define SLOT_MAGIC 0x67267322
74 #define NOT_CONFIGURED 2
79 * struct slot - slot information for each *physical* slot
89 struct device_node *dn; /* slot's device_node in OFDT */
91 struct pci_dev *bridge; /* slot's pci_dev in pci_devices */
93 struct pci_dev *pci_dev; /* pci_dev of device in this slot */
94 /* it will be used for unconfig */
95 /* NULL if slot is empty */
96 struct vio_dev *vio_dev; /* vio_dev of the device in this slot */
98 u8 dev_type; /* VIO or PCI */
99 struct hotplug_slot *hotplug_slot;
100 struct list_head rpaphp_slot_list;
103 extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
104 extern struct list_head rpaphp_slot_head;
105 extern int num_slots;
107 /* function prototypes */
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);
118 extern int rpaphp_add_slot(struct device_node *dn);
119 extern int rpaphp_remove_slot(struct slot *slot);
122 extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value);
123 extern int rpaphp_unconfig_vio_adapter(struct slot *slot);
124 extern int register_vio_slot(struct device_node *dn);
125 extern int rpaphp_enable_vio_slot(struct slot *slot);
128 extern void dealloc_slot_struct(struct slot *slot);
129 extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
130 extern int register_slot(struct slot *slot);
131 extern int rpaphp_get_power_status(struct slot *slot, u8 * value);
132 extern int rpaphp_set_attention_status(struct slot *slot, u8 status);
133 extern void rpaphp_sysfs_remove_attr_location(struct hotplug_slot *slot);
135 #endif /* _PPC64PHP_H */