author | Florian Westphal <fw@strlen.de> |
Sun, 11 Jan 2009 20:20:11 +0100 | |
changeset 0 | aa628870c1d3 |
child 2 | d1f6d8b6f81c |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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/* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* PCI HotPlug Core Functions |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 1995,2001 Compaq Computer Corporation |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Copyright (C) 2001 IBM Corp. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* All rights reserved. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* This program is free software; you can redistribute it and/or modify |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* it under the terms of the GNU General Public License as published by |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* the Free Software Foundation; either version 2 of the License, or (at |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* your option) any later version. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* This program is distributed in the hope that it will be useful, but |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* NON INFRINGEMENT. See the GNU General Public License for more |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* details. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* You should have received a copy of the GNU General Public License |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* along with this program; if not, write to the Free Software |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* Send feedback to <kristen.c.accardi@intel.com> |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifndef _PCI_HOTPLUG_H |
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#define _PCI_HOTPLUG_H |
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|
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|
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/* These values come from the PCI Hotplug Spec */ |
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enum pci_bus_speed { |
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PCI_SPEED_33MHz = 0x00, |
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PCI_SPEED_66MHz = 0x01, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_66MHz_PCIX = 0x02, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_100MHz_PCIX = 0x03, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_133MHz_PCIX = 0x04, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_66MHz_PCIX_ECC = 0x05, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_100MHz_PCIX_ECC = 0x06, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_133MHz_PCIX_ECC = 0x07, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_66MHz_PCIX_266 = 0x09, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_100MHz_PCIX_266 = 0x0a, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_133MHz_PCIX_266 = 0x0b, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCI_SPEED_66MHz_PCIX_533 = 0x11, |
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PCI_SPEED_100MHz_PCIX_533 = 0x12, |
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PCI_SPEED_133MHz_PCIX_533 = 0x13, |
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PCI_SPEED_UNKNOWN = 0xff, |
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}; |
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|
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/* These values come from the PCI Express Spec */ |
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enum pcie_link_width { |
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PCIE_LNK_WIDTH_RESRV = 0x00, |
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PCIE_LNK_X1 = 0x01, |
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PCIE_LNK_X2 = 0x02, |
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PCIE_LNK_X4 = 0x04, |
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PCIE_LNK_X8 = 0x08, |
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PCIE_LNK_X12 = 0x0C, |
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PCIE_LNK_X16 = 0x10, |
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PCIE_LNK_X32 = 0x20, |
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PCIE_LNK_WIDTH_UNKNOWN = 0xFF, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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enum pcie_link_speed { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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PCIE_2PT5GB = 0x14, |
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PCIE_LNK_SPEED_UNKNOWN = 0xFF, |
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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struct hotplug_slot; |
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struct hotplug_slot_attribute { |
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struct attribute attr; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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ssize_t (*show)(struct hotplug_slot *, char *); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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ssize_t (*store)(struct hotplug_slot *, const char *, size_t); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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}; |
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#define to_hotplug_attr(n) container_of(n, struct hotplug_slot_attribute, attr); |
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|
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/** |
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* struct hotplug_slot_ops -the callbacks that the hotplug pci core can use |
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* @owner: The module owner of this structure |
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* @enable_slot: Called when the user wants to enable a specific pci slot |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @disable_slot: Called when the user wants to disable a specific pci slot |
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* @set_attention_status: Called to set the specific slot's attention LED to |
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* the specified value |
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* @hardware_test: Called to run a specified hardware test on the specified |
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* slot. |
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* @get_power_status: Called to get the current power status of a slot. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @get_attention_status: Called to get the current attention status of a slot. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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* @get_latch_status: Called to get the current latch status of a slot. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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* @get_adapter_status: Called to get see if an adapter is present in the slot or not. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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* @get_max_bus_speed: Called to get the max bus speed for a slot. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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* @get_cur_bus_speed: Called to get the current bus speed for a slot. |
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* If this field is NULL, the value passed in the struct hotplug_slot_info |
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* will be used when this value is requested by a user. |
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* |
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* The table of function pointers that is passed to the hotplug pci core by a |
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* hotplug pci driver. These functions are called by the hotplug pci core when |
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* the user wants to do something to a specific slot (query it for information, |
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* set an LED, enable / disable power, etc.) |
aa628870c1d3
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109 |
*/ |
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110 |
struct hotplug_slot_ops { |
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struct module *owner; |
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int (*enable_slot) (struct hotplug_slot *slot); |
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int (*disable_slot) (struct hotplug_slot *slot); |
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int (*set_attention_status) (struct hotplug_slot *slot, u8 value); |
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int (*hardware_test) (struct hotplug_slot *slot, u32 value); |
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int (*get_power_status) (struct hotplug_slot *slot, u8 *value); |
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int (*get_attention_status) (struct hotplug_slot *slot, u8 *value); |
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int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); |
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int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); |
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int (*get_max_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value); |
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int (*get_cur_bus_speed) (struct hotplug_slot *slot, enum pci_bus_speed *value); |
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122 |
}; |
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123 |
|
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124 |
/** |
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125 |
* struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot |
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126 |
* @power: if power is enabled or not (1/0) |
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* @attention_status: if the attention light is enabled or not (1/0) |
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* @latch_status: if the latch (if any) is open or closed (1/0) |
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129 |
* @adapter_present: if there is a pci board present in the slot or not (1/0) |
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* @address: (domain << 16 | bus << 8 | dev) |
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131 |
* |
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* Used to notify the hotplug pci core of the status of a specific slot. |
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133 |
*/ |
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134 |
struct hotplug_slot_info { |
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135 |
u8 power_status; |
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136 |
u8 attention_status; |
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137 |
u8 latch_status; |
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138 |
u8 adapter_status; |
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139 |
enum pci_bus_speed max_bus_speed; |
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enum pci_bus_speed cur_bus_speed; |
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141 |
}; |
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142 |
|
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143 |
/** |
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144 |
* struct hotplug_slot - used to register a physical slot with the hotplug pci core |
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145 |
* @ops: pointer to the &struct hotplug_slot_ops to be used for this slot |
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* @info: pointer to the &struct hotplug_slot_info for the initial values for |
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147 |
* this slot. |
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148 |
* @release: called during pci_hp_deregister to free memory allocated in a |
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149 |
* hotplug_slot structure. |
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150 |
* @private: used by the hotplug pci controller driver to store whatever it |
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151 |
* needs. |
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152 |
*/ |
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153 |
struct hotplug_slot { |
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154 |
struct hotplug_slot_ops *ops; |
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155 |
struct hotplug_slot_info *info; |
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156 |
void (*release) (struct hotplug_slot *slot); |
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157 |
void *private; |
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158 |
|
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159 |
/* Variables below this are for use only by the hotplug pci core. */ |
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160 |
struct list_head slot_list; |
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161 |
struct pci_slot *pci_slot; |
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162 |
}; |
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163 |
#define to_hotplug_slot(n) container_of(n, struct hotplug_slot, kobj) |
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164 |
|
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165 |
static inline const char *hotplug_slot_name(const struct hotplug_slot *slot) |
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166 |
{ |
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167 |
return pci_slot_name(slot->pci_slot); |
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168 |
} |
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169 |
|
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170 |
extern int pci_hp_register(struct hotplug_slot *, struct pci_bus *, int nr, |
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171 |
const char *name); |
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172 |
extern int pci_hp_deregister(struct hotplug_slot *slot); |
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173 |
extern int __must_check pci_hp_change_slot_info (struct hotplug_slot *slot, |
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174 |
struct hotplug_slot_info *info); |
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175 |
|
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176 |
/* PCI Setting Record (Type 0) */ |
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177 |
struct hpp_type0 { |
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178 |
u32 revision; |
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179 |
u8 cache_line_size; |
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180 |
u8 latency_timer; |
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181 |
u8 enable_serr; |
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182 |
u8 enable_perr; |
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183 |
}; |
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184 |
|
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185 |
/* PCI-X Setting Record (Type 1) */ |
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186 |
struct hpp_type1 { |
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187 |
u32 revision; |
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188 |
u8 max_mem_read; |
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189 |
u8 avg_max_split; |
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190 |
u16 tot_max_split; |
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191 |
}; |
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192 |
|
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193 |
/* PCI Express Setting Record (Type 2) */ |
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194 |
struct hpp_type2 { |
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195 |
u32 revision; |
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196 |
u32 unc_err_mask_and; |
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197 |
u32 unc_err_mask_or; |
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198 |
u32 unc_err_sever_and; |
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199 |
u32 unc_err_sever_or; |
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200 |
u32 cor_err_mask_and; |
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201 |
u32 cor_err_mask_or; |
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202 |
u32 adv_err_cap_and; |
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203 |
u32 adv_err_cap_or; |
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204 |
u16 pci_exp_devctl_and; |
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205 |
u16 pci_exp_devctl_or; |
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206 |
u16 pci_exp_lnkctl_and; |
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207 |
u16 pci_exp_lnkctl_or; |
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208 |
u32 sec_unc_err_sever_and; |
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209 |
u32 sec_unc_err_sever_or; |
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210 |
u32 sec_unc_err_mask_and; |
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211 |
u32 sec_unc_err_mask_or; |
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212 |
}; |
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213 |
|
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214 |
struct hotplug_params { |
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215 |
struct hpp_type0 *t0; /* Type0: NULL if not available */ |
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216 |
struct hpp_type1 *t1; /* Type1: NULL if not available */ |
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217 |
struct hpp_type2 *t2; /* Type2: NULL if not available */ |
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218 |
struct hpp_type0 type0_data; |
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219 |
struct hpp_type1 type1_data; |
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struct hpp_type2 type2_data; |
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}; |
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|
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#ifdef CONFIG_ACPI |
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#include <acpi/acpi.h> |
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#include <acpi/acpi_bus.h> |
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#include <acpi/actypes.h> |
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extern acpi_status acpi_get_hp_params_from_firmware(struct pci_bus *bus, |
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struct hotplug_params *hpp); |
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int acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev, u32 flags); |
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int acpi_root_bridge(acpi_handle handle); |
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#endif |
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#endif |
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