mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 07:38:25 +07:00
0b104773b4
struct pci_ecam_ops is typically DT match table data which is defined to be const. It's also best practice for ops structs to be const. Ideally, we'd make struct pci_ops const as well, but that becomes pretty invasive, so for now we just cast it where needed. Link: https://lore.kernel.org/r/20200409234923.21598-2-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Andrew Murray <amurray@thegoodpenguin.co.uk> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Len Brown <lenb@kernel.org> Cc: Jonathan Chocron <jonnyc@amazon.com> Cc: Zhou Wang <wangzhou1@hisilicon.com> Cc: Robert Richter <rrichter@marvell.com> Cc: Toan Le <toan@os.amperecomputing.com> Cc: Marc Gonzalez <marc.w.gonzalez@free.fr> Cc: Mans Rullgard <mans@mansr.com> Cc: linux-acpi@vger.kernel.org
135 lines
3.8 KiB
C
135 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* File pci-acpi.h
|
|
*
|
|
* Copyright (C) 2004 Intel
|
|
* Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
|
|
*/
|
|
|
|
#ifndef _PCI_ACPI_H_
|
|
#define _PCI_ACPI_H_
|
|
|
|
#include <linux/acpi.h>
|
|
|
|
#ifdef CONFIG_ACPI
|
|
extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
|
|
static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
|
|
{
|
|
return acpi_remove_pm_notifier(dev);
|
|
}
|
|
extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
|
|
struct pci_dev *pci_dev);
|
|
static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
|
|
{
|
|
return acpi_remove_pm_notifier(dev);
|
|
}
|
|
extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
|
|
|
|
struct pci_ecam_ops;
|
|
extern int pci_mcfg_lookup(struct acpi_pci_root *root, struct resource *cfgres,
|
|
const struct pci_ecam_ops **ecam_ops);
|
|
|
|
static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
|
|
{
|
|
struct pci_bus *pbus = pdev->bus;
|
|
|
|
/* Find a PCI root bus */
|
|
while (!pci_is_root_bus(pbus))
|
|
pbus = pbus->parent;
|
|
|
|
return ACPI_HANDLE(pbus->bridge);
|
|
}
|
|
|
|
static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
|
|
{
|
|
struct device *dev;
|
|
|
|
if (pci_is_root_bus(pbus))
|
|
dev = pbus->bridge;
|
|
else {
|
|
/* If pbus is a virtual bus, there is no bridge to it */
|
|
if (!pbus->self)
|
|
return NULL;
|
|
|
|
dev = &pbus->self->dev;
|
|
}
|
|
|
|
return ACPI_HANDLE(dev);
|
|
}
|
|
|
|
struct acpi_pci_root;
|
|
struct acpi_pci_root_ops;
|
|
|
|
struct acpi_pci_root_info {
|
|
struct acpi_pci_root *root;
|
|
struct acpi_device *bridge;
|
|
struct acpi_pci_root_ops *ops;
|
|
struct list_head resources;
|
|
char name[16];
|
|
};
|
|
|
|
struct acpi_pci_root_ops {
|
|
struct pci_ops *pci_ops;
|
|
int (*init_info)(struct acpi_pci_root_info *info);
|
|
void (*release_info)(struct acpi_pci_root_info *info);
|
|
int (*prepare_resources)(struct acpi_pci_root_info *info);
|
|
};
|
|
|
|
extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info *info);
|
|
extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
|
|
struct acpi_pci_root_ops *ops,
|
|
struct acpi_pci_root_info *info,
|
|
void *sd);
|
|
|
|
void acpi_pci_add_bus(struct pci_bus *bus);
|
|
void acpi_pci_remove_bus(struct pci_bus *bus);
|
|
|
|
#ifdef CONFIG_ACPI_PCI_SLOT
|
|
void acpi_pci_slot_init(void);
|
|
void acpi_pci_slot_enumerate(struct pci_bus *bus);
|
|
void acpi_pci_slot_remove(struct pci_bus *bus);
|
|
#else
|
|
static inline void acpi_pci_slot_init(void) { }
|
|
static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
|
|
static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
|
|
#endif
|
|
|
|
#ifdef CONFIG_HOTPLUG_PCI_ACPI
|
|
void acpiphp_init(void);
|
|
void acpiphp_enumerate_slots(struct pci_bus *bus);
|
|
void acpiphp_remove_slots(struct pci_bus *bus);
|
|
void acpiphp_check_host_bridge(struct acpi_device *adev);
|
|
#else
|
|
static inline void acpiphp_init(void) { }
|
|
static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
|
|
static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
|
|
static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
|
|
#endif
|
|
|
|
extern const guid_t pci_acpi_dsm_guid;
|
|
#define IGNORE_PCI_BOOT_CONFIG_DSM 0x05
|
|
#define DEVICE_LABEL_DSM 0x07
|
|
#define RESET_DELAY_DSM 0x08
|
|
#define FUNCTION_DELAY_DSM 0x09
|
|
|
|
#ifdef CONFIG_PCIE_EDR
|
|
void pci_acpi_add_edr_notifier(struct pci_dev *pdev);
|
|
void pci_acpi_remove_edr_notifier(struct pci_dev *pdev);
|
|
#else
|
|
static inline void pci_acpi_add_edr_notifier(struct pci_dev *pdev) { }
|
|
static inline void pci_acpi_remove_edr_notifier(struct pci_dev *pdev) { }
|
|
#endif /* CONFIG_PCIE_EDR */
|
|
|
|
#else /* CONFIG_ACPI */
|
|
static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
|
|
static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
|
|
#endif /* CONFIG_ACPI */
|
|
|
|
#ifdef CONFIG_ACPI_APEI
|
|
extern bool aer_acpi_firmware_first(void);
|
|
#else
|
|
static inline bool aer_acpi_firmware_first(void) { return false; }
|
|
#endif
|
|
|
|
#endif /* _PCI_ACPI_H_ */
|