[deliverable/linux.git] / drivers / pci / pcie / portdrv.h

/*
 * File:	portdrv.h
 * Purpose:	PCI Express Port Bus Driver's Internal Data Structures
 *
 * Copyright (C) 2004 Intel
 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
 */

#ifndef _PORTDRV_H_
#define _PORTDRV_H_

#include <linux/compiler.h>

#define PCIE_PORT_DEVICE_MAXSERVICES   5
/*
 * According to the PCI Express Base Specification 2.0, the indices of
 * the MSI-X table entries used by port services must not exceed 31
 */
#define PCIE_PORT_MAX_MSIX_ENTRIES	32

#define get_descriptor_id(type, service) (((type - 4) << 8) | service)

extern struct bus_type pcie_port_bus_type;
int pcie_port_device_register(struct pci_dev *dev);
#ifdef CONFIG_PM
int pcie_port_device_suspend(struct device *dev);
int pcie_port_device_resume(struct device *dev);
#endif
void pcie_port_device_remove(struct pci_dev *dev);
int __must_check pcie_port_bus_register(void);
void pcie_port_bus_unregister(void);

struct pci_dev;

void pcie_clear_root_pme_status(struct pci_dev *dev);

#ifdef CONFIG_HOTPLUG_PCI_PCIE
extern bool pciehp_msi_disabled;

static inline bool pciehp_no_msi(void)
{
	return pciehp_msi_disabled;
}

#else  /* !CONFIG_HOTPLUG_PCI_PCIE */
static inline bool pciehp_no_msi(void) { return false; }
#endif /* !CONFIG_HOTPLUG_PCI_PCIE */

#ifdef CONFIG_PCIE_PME
extern bool pcie_pme_msi_disabled;

static inline void pcie_pme_disable_msi(void)
{
	pcie_pme_msi_disabled = true;
}

static inline bool pcie_pme_no_msi(void)
{
	return pcie_pme_msi_disabled;
}

void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable);
#else /* !CONFIG_PCIE_PME */
static inline void pcie_pme_disable_msi(void) {}
static inline bool pcie_pme_no_msi(void) { return false; }
static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {}
#endif /* !CONFIG_PCIE_PME */

#ifdef CONFIG_ACPI
void pcie_port_acpi_setup(struct pci_dev *port, int *mask);

static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask)
{
	pcie_port_acpi_setup(port, mask);
}
#else /* !CONFIG_ACPI */
static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask){}
#endif /* !CONFIG_ACPI */

#endif /* _PORTDRV_H_ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* File: portdrv.h
	3	* Purpose: PCI Express Port Bus Driver's Internal Data Structures
	4	*
	5	* Copyright (C) 2004 Intel
	6	* Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
	7	*/
	8
	9	#ifndef _PORTDRV_H_
	10	#define _PORTDRV_H_
	11
3ec6a8d0 AM	12	#include <linux/compiler.h>
3ec6a8d0 AM	13
10126ac1	14	#define PCIE_PORT_DEVICE_MAXSERVICES 5
b43d4513	15	/*
f9f45604	16	* According to the PCI Express Base Specification 2.0, the indices of
f7625980	17	* the MSI-X table entries used by port services must not exceed 31
b43d4513 RW	18	*/
b43d4513 RW	19	#define PCIE_PORT_MAX_MSIX_ENTRIES 32
1da177e4	20
6d81417d	21	#define get_descriptor_id(type, service) (((type - 4) << 8) \| service)
1da177e4 LT	22
1da177e4 LT	23	extern struct bus_type pcie_port_bus_type;
f39d5b72	24	int pcie_port_device_register(struct pci_dev *dev);
1da177e4	25	#ifdef CONFIG_PM
f39d5b72 BH	26	int pcie_port_device_suspend(struct device *dev);
f39d5b72 BH	27	int pcie_port_device_resume(struct device *dev);
1da177e4	28	#endif
f39d5b72 BH	29	void pcie_port_device_remove(struct pci_dev *dev);
	30	int __must_check pcie_port_bus_register(void);
	31	void pcie_port_bus_unregister(void);
1da177e4	32
28eb5f27 RW	33	struct pci_dev;
28eb5f27 RW	34
f39d5b72	35	void pcie_clear_root_pme_status(struct pci_dev *dev);
fe31e697	36
7570a333 MT	37	#ifdef CONFIG_HOTPLUG_PCI_PCIE
	38	extern bool pciehp_msi_disabled;
	39
	40	static inline bool pciehp_no_msi(void)
	41	{
	42	return pciehp_msi_disabled;
	43	}
	44
	45	#else /* !CONFIG_HOTPLUG_PCI_PCIE */
	46	static inline bool pciehp_no_msi(void) { return false; }
	47	#endif /* !CONFIG_HOTPLUG_PCI_PCIE */
	48
c39fae14 RW	49	#ifdef CONFIG_PCIE_PME
	50	extern bool pcie_pme_msi_disabled;
	51
	52	static inline void pcie_pme_disable_msi(void)
	53	{
	54	pcie_pme_msi_disabled = true;
	55	}
	56
	57	static inline bool pcie_pme_no_msi(void)
	58	{
	59	return pcie_pme_msi_disabled;
	60	}
28eb5f27	61
f39d5b72	62	void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable);
c39fae14 RW	63	#else /* !CONFIG_PCIE_PME */
	64	static inline void pcie_pme_disable_msi(void) {}
	65	static inline bool pcie_pme_no_msi(void) { return false; }
28eb5f27	66	static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {}
c39fae14 RW	67	#endif /* !CONFIG_PCIE_PME */
c39fae14 RW	68
28eb5f27	69	#ifdef CONFIG_ACPI
88a97da1	70	void pcie_port_acpi_setup(struct pci_dev port, int mask);
28eb5f27	71
88a97da1	72	static inline void pcie_port_platform_notify(struct pci_dev port, int mask)
28eb5f27	73	{
88a97da1	74	pcie_port_acpi_setup(port, mask);
28eb5f27 RW	75	}
28eb5f27 RW	76	#else /* !CONFIG_ACPI */
88a97da1	77	static inline void pcie_port_platform_notify(struct pci_dev port, int mask){}
28eb5f27 RW	78	#endif /* !CONFIG_ACPI */
28eb5f27 RW	79
1da177e4	80	#endif /* _PORTDRV_H_ */