/* 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 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); #else static inline int cpci_hotplug_init(int debug) { return 0; } #endif #endif /* _CPCI_HOTPLUG_H */