From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- drivers/pci/hotplug/cpci_hotplug.h | 110 +++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 drivers/pci/hotplug/cpci_hotplug.h (limited to 'drivers/pci/hotplug/cpci_hotplug.h') diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h new file mode 100644 index 00000000..13562114 --- /dev/null +++ b/drivers/pci/hotplug/cpci_hotplug.h @@ -0,0 +1,110 @@ +/* + * CompactPCI Hot Plug Core Functions + * + * Copyright (C) 2002 SOMA Networks, Inc. + * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) + * Copyright (C) 2001 IBM Corp. + * + * 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 + */ + +#ifndef _CPCI_HOTPLUG_H +#define _CPCI_HOTPLUG_H + +#include +#include +#include + +/* PICMG 2.1 R2.0 HS CSR bits: */ +#define HS_CSR_INS 0x0080 +#define HS_CSR_EXT 0x0040 +#define HS_CSR_PI 0x0030 +#define HS_CSR_LOO 0x0008 +#define HS_CSR_PIE 0x0004 +#define HS_CSR_EIM 0x0002 +#define HS_CSR_DHA 0x0001 + +struct slot { + u8 number; + unsigned int devfn; + struct pci_bus *bus; + struct pci_dev *dev; + unsigned int extracting; + struct hotplug_slot *hotplug_slot; + struct list_head slot_list; +}; + +struct cpci_hp_controller_ops { + int (*query_enum) (void); + int (*enable_irq) (void); + int (*disable_irq) (void); + int (*check_irq) (void *dev_id); + int (*hardware_test) (struct slot* slot, u32 value); + u8 (*get_power) (struct slot* slot); + int (*set_power) (struct slot* slot, int value); +}; + +struct cpci_hp_controller { + unsigned int irq; + unsigned long irq_flags; + char *devname; + void *dev_id; + char *name; + struct cpci_hp_controller_ops *ops; +}; + +static inline const char *slot_name(struct slot *slot) +{ + return hotplug_slot_name(slot->hotplug_slot); +} + +int cpci_hp_register_controller(struct cpci_hp_controller *controller); +int cpci_hp_unregister_controller(struct cpci_hp_controller *controller); +int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last); +int cpci_hp_unregister_bus(struct pci_bus *bus); +int cpci_hp_start(void); +int cpci_hp_stop(void); + +/* + * Internal function prototypes, these functions should not be used by + * board/chassis drivers. + */ +u8 cpci_get_attention_status(struct slot *slot); +u8 cpci_get_latch_status(struct slot *slot); +u8 cpci_get_adapter_status(struct slot *slot); +u16 cpci_get_hs_csr(struct slot * slot); +int cpci_set_attention_status(struct slot *slot, int status); +int cpci_check_and_clear_ins(struct slot * slot); +int cpci_check_ext(struct slot * slot); +int cpci_clear_ext(struct slot * slot); +int cpci_led_on(struct slot * slot); +int cpci_led_off(struct slot * slot); +int cpci_configure_slot(struct slot *slot); +int cpci_unconfigure_slot(struct slot *slot); + +#ifdef CONFIG_HOTPLUG_PCI_CPCI +int cpci_hotplug_init(int debug); +void cpci_hotplug_exit(void); +#else +static inline int cpci_hotplug_init(int debug) { return 0; } +static inline void cpci_hotplug_exit(void) { } +#endif + +#endif /* _CPCI_HOTPLUG_H */ -- cgit v1.3.1