Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 268 insertions, 0 deletions

diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
new file mode 100644
index 000000000000..d9499874c8a9
--- /dev/null
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -0,0 +1,268 @@
+/*
+ * 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
+ *
+ * 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/kobject.h>	/* for KOBJ_NAME_LEN */
+#include "pci_hotplug.h"
+
+#define dbg(format, arg...)					\
+	do {							\
+		if (acpiphp_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)
+
+/* name size which is used for entries in pcihpfs */
+#define SLOT_NAME_SIZE	KOBJ_NAME_LEN		/* {_SUN} */
+
+struct acpiphp_bridge;
+struct acpiphp_slot;
+struct pci_resource;
+
+/*
+ * struct slot - slot information for each *physical* slot
+ */
+struct slot {
+	u8 number;
+	struct hotplug_slot	*hotplug_slot;
+	struct list_head	slot_list;
+
+	struct acpiphp_slot	*acpi_slot;
+};
+
+/*
+ * struct pci_resource - describes pci resource (mem, pfmem, io, bus)
+ */
+struct pci_resource {
+	struct pci_resource * next;
+	u64 base;
+	u32 length;
+};
+
+/**
+ * struct hpp_param - ACPI 2.0 _HPP Hot Plug Parameters
+ * @cache_line_size in DWORD
+ * @latency_timer in PCI clock
+ * @enable_SERR 0 or 1
+ * @enable_PERR 0 or 1
+ */
+struct hpp_param {
+	u8 cache_line_size;
+	u8 latency_timer;
+	u8 enable_SERR;
+	u8 enable_PERR;
+};
+
+
+/**
+ * struct acpiphp_bridge - PCI bridge information
+ *
+ * for each bridge device in ACPI namespace
+ */
+struct acpiphp_bridge {
+	struct list_head list;
+	acpi_handle handle;
+	struct acpiphp_slot *slots;
+	int type;
+	int nr_slots;
+
+	u8 seg;
+	u8 bus;
+	u8 sub;
+
+	u32 flags;
+
+	/* 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;
+
+	/* ACPI 2.0 _HPP parameters */
+	struct hpp_param hpp;
+
+	spinlock_t res_lock;
+
+	/* available resources on this bus */
+	struct pci_resource *mem_head;
+	struct pci_resource *p_mem_head;
+	struct pci_resource *io_head;
+	struct pci_resource *bus_head;
+};
+
+
+/**
+ * struct acpiphp_slot - PCI slot information
+ *
+ * PCI slot information for each *physical* PCI slot
+ */
+struct acpiphp_slot {
+	struct acpiphp_slot *next;
+	struct acpiphp_bridge *bridge;	/* parent */
+	struct list_head funcs;		/* one slot may have different
+					   objects (i.e. for each function) */
+	struct semaphore crit_sect;
+
+	u32		id;		/* slot id (serial #) for hotplug core */
+	u8		device;		/* pci device# */
+
+	u32		sun;		/* ACPI _SUN (slot unique number) */
+	u32		slotno;		/* slot number relative to bridge */
+	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_slot *slot;	/* parent */
+
+	struct list_head sibling;
+	struct pci_dev *pci_dev;
+
+	acpi_handle	handle;
+
+	u8		function;	/* pci function# */
+	u32		flags;		/* see below */
+
+	/* resources used for this function */
+	struct pci_resource *mem_head;
+	struct pci_resource *p_mem_head;
+	struct pci_resource *io_head;
+	struct pci_resource *bus_head;
+};
+
+/**
+ * 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;
+};
+
+/* PCI bus bridge HID */
+#define ACPI_PCI_HOST_HID		"PNP0A03"
+
+/* PCI BRIDGE type */
+#define BRIDGE_TYPE_HOST		0
+#define BRIDGE_TYPE_P2P			1
+
+/* ACPI _STA method value (ignore bit 4; battery present) */
+#define ACPI_STA_PRESENT		(0x00000001)
+#define ACPI_STA_ENABLED		(0x00000002)
+#define ACPI_STA_SHOW_IN_UI		(0x00000004)
+#define ACPI_STA_FUNCTIONING		(0x00000008)
+#define ACPI_STA_ALL			(0x0000000f)
+
+/* bridge flags */
+#define BRIDGE_HAS_STA		(0x00000001)
+#define BRIDGE_HAS_EJ0		(0x00000002)
+#define BRIDGE_HAS_HPP		(0x00000004)
+#define BRIDGE_HAS_PS0		(0x00000010)
+#define BRIDGE_HAS_PS1		(0x00000020)
+#define BRIDGE_HAS_PS2		(0x00000040)
+#define BRIDGE_HAS_PS3		(0x00000080)
+
+/* slot flags */
+
+#define SLOT_POWEREDON		(0x00000001)
+#define SLOT_ENABLED		(0x00000002)
+#define SLOT_MULTIFUNCTION	(0x00000004)
+
+/* function flags */
+
+#define FUNC_HAS_STA		(0x00000001)
+#define FUNC_HAS_EJ0		(0x00000002)
+#define FUNC_HAS_PS0		(0x00000010)
+#define FUNC_HAS_PS1		(0x00000020)
+#define FUNC_HAS_PS2		(0x00000040)
+#define FUNC_HAS_PS3		(0x00000080)
+
+/* function prototypes */
+
+/* acpiphp_core.c */
+extern int acpiphp_register_attention(struct acpiphp_attention_info*info);
+extern int acpiphp_unregister_attention(struct acpiphp_attention_info *info);
+
+/* acpiphp_glue.c */
+extern int acpiphp_glue_init (void);
+extern void acpiphp_glue_exit (void);
+extern int acpiphp_get_num_slots (void);
+extern struct acpiphp_slot *get_slot_from_id (int id);
+typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data);
+
+extern int acpiphp_enable_slot (struct acpiphp_slot *slot);
+extern int acpiphp_disable_slot (struct acpiphp_slot *slot);
+extern u8 acpiphp_get_power_status (struct acpiphp_slot *slot);
+extern u8 acpiphp_get_attention_status (struct acpiphp_slot *slot);
+extern u8 acpiphp_get_latch_status (struct acpiphp_slot *slot);
+extern u8 acpiphp_get_adapter_status (struct acpiphp_slot *slot);
+extern u32 acpiphp_get_address (struct acpiphp_slot *slot);
+
+/* acpiphp_pci.c */
+extern struct pci_dev *acpiphp_allocate_pcidev (struct pci_bus *pbus, int dev, int fn);
+extern int acpiphp_configure_slot (struct acpiphp_slot *slot);
+extern int acpiphp_configure_function (struct acpiphp_func *func);
+extern void acpiphp_unconfigure_function (struct acpiphp_func *func);
+extern int acpiphp_detect_pci_resource (struct acpiphp_bridge *bridge);
+extern int acpiphp_init_func_resource (struct acpiphp_func *func);
+
+/* acpiphp_res.c */
+extern struct pci_resource *acpiphp_get_io_resource (struct pci_resource **head, u32 size);
+extern struct pci_resource *acpiphp_get_resource (struct pci_resource **head, u32 size);
+extern struct pci_resource *acpiphp_get_resource_with_base (struct pci_resource **head, u64 base, u32 size);
+extern int acpiphp_resource_sort_and_combine (struct pci_resource **head);
+extern struct pci_resource *acpiphp_make_resource (u64 base, u32 length);
+extern void acpiphp_move_resource (struct pci_resource **from, struct pci_resource **to);
+extern void acpiphp_free_resource (struct pci_resource **res);
+extern void acpiphp_dump_resource (struct acpiphp_bridge *bridge); /* debug */
+extern void acpiphp_dump_func_resource (struct acpiphp_func *func); /* debug */
+
+/* variables */
+extern int acpiphp_debug;
+
+#endif /* _ACPIPHP_H */