diff options
Diffstat (limited to 'drivers/pci/hotplug/rpaphp.h')
| -rw-r--r-- | drivers/pci/hotplug/rpaphp.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h new file mode 100644 index 000000000000..81746e6e0e0f --- /dev/null +++ b/drivers/pci/hotplug/rpaphp.h @@ -0,0 +1,138 @@ +/* + * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform. + * + * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com> + * + * 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 <lxie@us.ibm.com>, + * + */ + +#ifndef _PPC64PHP_H +#define _PPC64PHP_H + +#include <linux/pci.h> +#include "pci_hotplug.h" + +#define PHB 2 +#define HOTPLUG 1 +#define EMBEDDED 0 + +#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 int debug; +#define dbg(format, arg...) \ + do { \ + if (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 types */ +#define VIO_DEV 1 +#define PCI_DEV 2 + +/* slot states */ + +#define NOT_VALID 3 +#define NOT_CONFIGURED 2 +#define CONFIGURED 1 +#define EMPTY 0 + +struct rpaphp_pci_func { + struct pci_dev *pci_dev; + struct list_head sibling; +}; + +/* + * 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; + char *location; + u8 removable; + u8 dev_type; /* VIO or PCI */ + struct device_node *dn; /* slot's device_node in OFDT */ + /* dn has phb info */ + struct pci_dev *bridge; /* slot's pci_dev in pci_devices */ + union { + struct list_head *pci_devs; /* pci_devs in PCI slot */ + struct vio_dev *vio_dev; /* vio_dev in VIO slot */ + } dev; + struct hotplug_slot *hotplug_slot; +}; + +extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops; +extern struct list_head rpaphp_slot_head; +extern int num_slots; + +/* function prototypes */ + +/* rpaphp_pci.c */ +extern struct pci_dev *rpaphp_find_pci_dev(struct device_node *dn); +extern int rpaphp_claim_resource(struct pci_dev *dev, int resource); +extern int rpaphp_enable_pci_slot(struct slot *slot); +extern int register_pci_slot(struct slot *slot); +extern int rpaphp_unconfig_pci_adapter(struct slot *slot); +extern int rpaphp_get_pci_adapter_status(struct slot *slot, int is_init, u8 * value); +extern struct hotplug_slot *rpaphp_find_hotplug_slot(struct pci_dev *dev); + +/* rpaphp_core.c */ +extern int rpaphp_add_slot(struct device_node *dn); +extern int rpaphp_remove_slot(struct slot *slot); +extern int rpaphp_get_drc_props(struct device_node *dn, int *drc_index, + char **drc_name, char **drc_type, int *drc_power_domain); + +/* rpaphp_vio.c */ +extern int rpaphp_get_vio_adapter_status(struct slot *slot, int is_init, u8 * value); +extern int rpaphp_unconfig_vio_adapter(struct slot *slot); +extern int register_vio_slot(struct device_node *dn); +extern int rpaphp_enable_vio_slot(struct slot *slot); + +/* rpaphp_slot.c */ +extern void dealloc_slot_struct(struct slot *slot); +extern struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain); +extern int register_slot(struct slot *slot); +extern int deregister_slot(struct slot *slot); +extern int rpaphp_get_power_status(struct slot *slot, u8 * value); +extern int rpaphp_set_attention_status(struct slot *slot, u8 status); + +#endif /* _PPC64PHP_H */ |