/* SPDX-License-Identifier: GPL-2.0+ *//* * 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. * * Send feedback to <scottm@somanetworks.com> */ #ifndef _CPCI_HOTPLUG_H#define _CPCI_HOTPLUG_H #include <linux/types.h>#include <linux/pci.h>#include <linux/pci_hotplug.h> /* 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 latch_status:1; unsigned int adapter_status:1; 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);}; 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);} static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot){ return container_of(hotplug_slot, struct 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); /* Global variables */extern int cpci_debug; /* * Internal function prototypes, these functions should not be used by * board/chassis drivers. */u8 cpci_get_attention_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_CPCIint cpci_hotplug_init(int debug);#elsestatic inline int cpci_hotplug_init(int debug) { return 0; }#endif #endif /* _CPCI_HOTPLUG_H */
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* 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.
*
* Send feedback to <scottm@somanetworks.com>
*/
#ifndef _CPCI_HOTPLUG_H
#define _CPCI_HOTPLUG_H
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
/* 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 latch_status:1;
unsigned int adapter_status:1;
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);
};
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);
}
static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
{
return container_of(hotplug_slot, struct 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);
/* Global variables */
extern int cpci_debug;
/*
* Internal function prototypes, these functions should not be used by
* board/chassis drivers.
*/
u8 cpci_get_attention_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);
#else
static inline int cpci_hotplug_init(int debug) { return 0; }
#endif
#endif /* _CPCI_HOTPLUG_H */