Release 4.16 drivers/pci/hotplug/rpaphp.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
 *
 * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com>
 *
 * All rights reserved.
 *
 * Send feedback to <lxie@us.ibm.com>,
 *
 */

#ifndef _PPC64PHP_H

#define _PPC64PHP_H

#include <linux/pci.h>
#include <linux/pci_hotplug.h>


#define DR_INDICATOR 9002

#define DR_ENTITY_SENSE 9003


#define POWER_ON	100

#define POWER_OFF	0


#define LED_OFF		0

#define LED_ON		1	
/* continuous on */

#define LED_ID		2	
/* slow blinking */

#define LED_ACTION	3	
/* fast blinking */

/* Sensor values from rtas_get-sensor */

#define EMPTY           0	
/* No card in slot */

#define PRESENT         1	
/* Card in slot */


#define MY_NAME "rpaphp"
extern bool rpaphp_debug;

#define dbg(format, arg...)					\
	do {                                                    \
                if (rpaphp_debug)                               \
                        printk(KERN_DEBUG "%s: " format,        \
                                MY_NAME, ## arg);               \
        } while (0)

#define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)

#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)

#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)

/* slot states */


#define	NOT_VALID	3

#define	NOT_CONFIGURED	2

#define	CONFIGURED	1

#define	EMPTY		0

/* DRC constants */


#define MAX_DRC_NAME_LEN 64

/*
 * struct slot - slot information for each *physical* slot
 */

struct slot {
	
struct list_head rpaphp_slot_list;
	
int state;
	
u32 index;
	
u32 type;
	
u32 power_domain;
	
char *name;
	
struct device_node *dn;
	
struct pci_bus *bus;
	
struct list_head *pci_devs;
	
struct hotplug_slot *hotplug_slot;
};

extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
extern struct list_head rpaphp_slot_head;

/* function prototypes */

/* rpaphp_pci.c */
int rpaphp_enable_slot(struct slot *slot);
int rpaphp_get_sensor_state(struct slot *slot, int *state);

/* rpaphp_core.c */
int rpaphp_add_slot(struct device_node *dn);
int rpaphp_check_drc_props(struct device_node *dn, char *drc_name,
		char *drc_type);

/* rpaphp_slot.c */
void dealloc_slot_struct(struct slot *slot);
struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
int rpaphp_register_slot(struct slot *slot);
int rpaphp_deregister_slot(struct slot *slot);

#endif				/* _PPC64PHP_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linda Xie
244
84.14%
3
18.75%
Linas Vepstas
19
6.55%
4
25.00%
John Rose
12
4.14%
3
18.75%
Michael Bringmann
6
2.07%
1
6.25%
Bogicevic Sasa
4
1.38%
1
6.25%
Björn Helgaas
2
0.69%
1
6.25%
Rusty Russell
1
0.34%
1
6.25%
Olaf Hering
1
0.34%
1
6.25%
Kristen Carlson Accardi
1
0.34%
1
6.25%
Total
290
100.00%
16
100.00%
Directory: drivers/pci/hotplug

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.