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101 lines
2.6 KiB
101 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* CompactPCI Hot Plug Core Functions |
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* |
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* Copyright (C) 2002 SOMA Networks, Inc. |
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* Copyright (C) 2001 Greg Kroah-Hartman ([email protected]) |
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* Copyright (C) 2001 IBM Corp. |
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* |
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* All rights reserved. |
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* |
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* Send feedback to <[email protected]> |
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*/ |
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#ifndef _CPCI_HOTPLUG_H |
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#define _CPCI_HOTPLUG_H |
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#include <linux/types.h> |
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#include <linux/pci.h> |
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#include <linux/pci_hotplug.h> |
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/* PICMG 2.1 R2.0 HS CSR bits: */ |
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#define HS_CSR_INS 0x0080 |
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#define HS_CSR_EXT 0x0040 |
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#define HS_CSR_PI 0x0030 |
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#define HS_CSR_LOO 0x0008 |
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#define HS_CSR_PIE 0x0004 |
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#define HS_CSR_EIM 0x0002 |
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#define HS_CSR_DHA 0x0001 |
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struct slot { |
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u8 number; |
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unsigned int devfn; |
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struct pci_bus *bus; |
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struct pci_dev *dev; |
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unsigned int latch_status:1; |
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unsigned int adapter_status:1; |
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unsigned int extracting; |
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struct hotplug_slot hotplug_slot; |
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struct list_head slot_list; |
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}; |
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struct cpci_hp_controller_ops { |
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int (*query_enum)(void); |
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int (*enable_irq)(void); |
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int (*disable_irq)(void); |
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int (*check_irq)(void *dev_id); |
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int (*hardware_test)(struct slot *slot, u32 value); |
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u8 (*get_power)(struct slot *slot); |
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int (*set_power)(struct slot *slot, int value); |
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}; |
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struct cpci_hp_controller { |
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unsigned int irq; |
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unsigned long irq_flags; |
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char *devname; |
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void *dev_id; |
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char *name; |
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struct cpci_hp_controller_ops *ops; |
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}; |
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static inline const char *slot_name(struct slot *slot) |
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{ |
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return hotplug_slot_name(&slot->hotplug_slot); |
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} |
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static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot) |
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{ |
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return container_of(hotplug_slot, struct slot, hotplug_slot); |
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} |
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int cpci_hp_register_controller(struct cpci_hp_controller *controller); |
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int cpci_hp_unregister_controller(struct cpci_hp_controller *controller); |
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int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last); |
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int cpci_hp_unregister_bus(struct pci_bus *bus); |
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int cpci_hp_start(void); |
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int cpci_hp_stop(void); |
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/* |
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* Internal function prototypes, these functions should not be used by |
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* board/chassis drivers. |
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*/ |
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u8 cpci_get_attention_status(struct slot *slot); |
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u8 cpci_get_latch_status(struct slot *slot); |
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u8 cpci_get_adapter_status(struct slot *slot); |
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u16 cpci_get_hs_csr(struct slot *slot); |
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int cpci_set_attention_status(struct slot *slot, int status); |
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int cpci_check_and_clear_ins(struct slot *slot); |
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int cpci_check_ext(struct slot *slot); |
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int cpci_clear_ext(struct slot *slot); |
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int cpci_led_on(struct slot *slot); |
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int cpci_led_off(struct slot *slot); |
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int cpci_configure_slot(struct slot *slot); |
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int cpci_unconfigure_slot(struct slot *slot); |
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#ifdef CONFIG_HOTPLUG_PCI_CPCI |
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int cpci_hotplug_init(int debug); |
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#else |
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static inline int cpci_hotplug_init(int debug) { return 0; } |
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#endif |
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#endif /* _CPCI_HOTPLUG_H */
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