Release 4.7 drivers/pci/hotplug/acpiphp.h
/*
* ACPI PCI Hot Plug Controller Driver
*
* Copyright (C) 1995,2001 Compaq Computer Corporation
* Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2001 IBM Corp.
* Copyright (C) 2002 Hiroshi Aono (h-aono@ap.jp.nec.com)
* Copyright (C) 2002,2003 Takayoshi Kochi (t-kochi@bq.jp.nec.com)
* Copyright (C) 2002,2003 NEC Corporation
* Copyright (C) 2003-2005 Matthew Wilcox (matthew.wilcox@hp.com)
* Copyright (C) 2003-2005 Hewlett Packard
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Send feedback to <gregkh@us.ibm.com>,
* <t-kochi@bq.jp.nec.com>
*
*/
#ifndef _ACPIPHP_H
#define _ACPIPHP_H
#include <linux/acpi.h>
#include <linux/mutex.h>
#include <linux/pci_hotplug.h>
struct acpiphp_context;
struct acpiphp_bridge;
struct acpiphp_slot;
/*
* struct slot - slot information for each *physical* slot
*/
struct slot {
struct hotplug_slot *hotplug_slot;
struct acpiphp_slot *acpi_slot;
struct hotplug_slot_info info;
unsigned int sun; /* ACPI _SUN (Slot User Number) value */
};
static inline const char *slot_name(struct slot *slot)
{
return hotplug_slot_name(slot->hotplug_slot);
}
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/*
* struct acpiphp_bridge - PCI bridge information
*
* for each bridge device in ACPI namespace
*/
struct acpiphp_bridge {
struct list_head list;
struct list_head slots;
struct kref ref;
struct acpiphp_context *context;
int nr_slots;
/* This bus (host bridge) or Secondary bus (PCI-to-PCI bridge) */
struct pci_bus *pci_bus;
/* PCI-to-PCI bridge device */
struct pci_dev *pci_dev;
bool is_going_away;
};
/*
* struct acpiphp_slot - PCI slot information
*
* PCI slot information for each *physical* PCI slot
*/
struct acpiphp_slot {
struct list_head node;
struct pci_bus *bus;
struct list_head funcs; /* one slot may have different
objects (i.e. for each function) */
struct slot *slot;
u8 device; /* pci device# */
u32 flags; /* see below */
};
/*
* struct acpiphp_func - PCI function information
*
* PCI function information for each object in ACPI namespace
* typically 8 objects per slot (i.e. for each PCI function)
*/
struct acpiphp_func {
struct acpiphp_bridge *parent;
struct acpiphp_slot *slot;
struct list_head sibling;
u8 function; /* pci function# */
u32 flags; /* see below */
};
struct acpiphp_context {
struct acpi_hotplug_context hp;
struct acpiphp_func func;
struct acpiphp_bridge *bridge;
unsigned int refcount;
};
static inline struct acpiphp_context *to_acpiphp_context(struct acpi_hotplug_context *hp)
{
return container_of(hp, struct acpiphp_context, hp);
}
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static inline struct acpiphp_context *func_to_context(struct acpiphp_func *func)
{
return container_of(func, struct acpiphp_context, func);
}
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| rafael j. wysocki | rafael j. wysocki | 25 | 100.00% | 1 | 100.00% |
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static inline struct acpi_device *func_to_acpi_device(struct acpiphp_func *func)
{
return func_to_context(func)->hp.self;
}
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| rafael j. wysocki | rafael j. wysocki | 24 | 100.00% | 2 | 100.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
static inline acpi_handle func_to_handle(struct acpiphp_func *func)
{
return func_to_acpi_device(func)->handle;
}
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| Total | 20 | 100.00% | 2 | 100.00% |
struct acpiphp_root_context {
struct acpi_hotplug_context hp;
struct acpiphp_bridge *root_bridge;
};
static inline struct acpiphp_root_context *to_acpiphp_root_context(struct acpi_hotplug_context *hp)
{
return container_of(hp, struct acpiphp_root_context, hp);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| rafael j. wysocki | rafael j. wysocki | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
/*
* struct acpiphp_attention_info - device specific attention registration
*
* ACPI has no generic method of setting/getting attention status
* this allows for device specific driver registration
*/
struct acpiphp_attention_info
{
int (*set_attn)(struct hotplug_slot *slot, u8 status);
int (*get_attn)(struct hotplug_slot *slot, u8 *status);
struct module *owner;
};
/* ACPI _STA method value (ignore bit 4; battery present) */
#define ACPI_STA_ALL (0x0000000f)
/* slot flags */
#define SLOT_ENABLED (0x00000001)
#define SLOT_IS_GOING_AWAY (0x00000002)
/* function flags */
#define FUNC_HAS_STA (0x00000001)
#define FUNC_HAS_EJ0 (0x00000002)
/* function prototypes */
/* acpiphp_core.c */
int acpiphp_register_attention(struct acpiphp_attention_info *info);
int acpiphp_unregister_attention(struct acpiphp_attention_info *info);
int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot, unsigned int sun);
void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *slot);
/* acpiphp_glue.c */
typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data);
int acpiphp_enable_slot(struct acpiphp_slot *slot);
int acpiphp_disable_slot(struct acpiphp_slot *slot);
u8 acpiphp_get_power_status(struct acpiphp_slot *slot);
u8 acpiphp_get_attention_status(struct acpiphp_slot *slot);
u8 acpiphp_get_latch_status(struct acpiphp_slot *slot);
u8 acpiphp_get_adapter_status(struct acpiphp_slot *slot);
/* variables */
extern bool acpiphp_disabled;
#endif /* _ACPIPHP_H */
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| Person | Tokens | Prop | Commits | CommitProp |
| takayoshi kouchi* | takayoshi kouchi* | 192 | 37.21% | 1 | 4.00% |
| rafael j. wysocki | rafael j. wysocki | 187 | 36.24% | 9 | 36.00% |
| vernon mauery | vernon mauery | 60 | 11.63% | 1 | 4.00% |
| muneda takahiro | muneda takahiro | 23 | 4.46% | 1 | 4.00% |
| alex chiang | alex chiang | 22 | 4.26% | 1 | 4.00% |
| gary hade | gary hade | 7 | 1.36% | 1 | 4.00% |
| jiang liu | jiang liu | 6 | 1.16% | 2 | 8.00% |
| rolf eike beer | rolf eike beer | 4 | 0.78% | 1 | 4.00% |
| randy dunlap | randy dunlap | 4 | 0.78% | 1 | 4.00% |
| wang yijing | wang yijing | 3 | 0.58% | 1 | 4.00% |
| ingo molnar | ingo molnar | 3 | 0.58% | 1 | 4.00% |
| andy grover | andy grover | 1 | 0.19% | 1 | 4.00% |
| greg kroah-hartman | greg kroah-hartman | 1 | 0.19% | 1 | 4.00% |
| rajesh shah | rajesh shah | 1 | 0.19% | 1 | 4.00% |
| mika westerberg | mika westerberg | 1 | 0.19% | 1 | 4.00% |
| yinghai lu | yinghai lu | 1 | 0.19% | 1 | 4.00% |
| Total | 516 | 100.00% | 25 | 100.00% |
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