| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * c 2001 PPC 64 Team, IBM Corp |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | #ifndef _ASM_POWERPC_PPC_PCI_H |
| 6 | #define _ASM_POWERPC_PPC_PCI_H |
| 7 | #ifdef __KERNEL__ |
| 8 | |
| 9 | #ifdef CONFIG_PCI |
| 10 | |
| 11 | #include <linux/pci.h> |
| 12 | #include <asm/pci-bridge.h> |
| 13 | |
| 14 | extern unsigned long isa_io_base; |
| 15 | |
| 16 | extern void pci_setup_phb_io(struct pci_controller *hose, int primary); |
| 17 | extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); |
| 18 | |
| 19 | |
| 20 | extern struct list_head hose_list; |
| 21 | |
| 22 | extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */ |
| 23 | |
| 24 | /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ |
| 25 | #define BUID_HI(buid) upper_32_bits(buid) |
| 26 | #define BUID_LO(buid) lower_32_bits(buid) |
| 27 | |
| 28 | /* PCI device_node operations */ |
| 29 | struct device_node; |
| 30 | struct pci_dn; |
| 31 | |
| 32 | void *pci_traverse_device_nodes(struct device_node *start, |
| 33 | void *(*fn)(struct device_node *, void *), |
| 34 | void *data); |
| 35 | void *traverse_pci_dn(struct pci_dn *root, |
| 36 | void *(*fn)(struct pci_dn *, void *), |
| 37 | void *data); |
| 38 | extern void pci_devs_phb_init_dynamic(struct pci_controller *phb); |
| 39 | |
| 40 | /* From rtas_pci.h */ |
| 41 | extern void init_pci_config_tokens (void); |
| 42 | extern unsigned long get_phb_buid (struct device_node *); |
| 43 | extern int rtas_setup_phb(struct pci_controller *phb); |
| 44 | |
| 45 | #ifdef CONFIG_EEH |
| 46 | |
| 47 | void eeh_addr_cache_insert_dev(struct pci_dev *dev); |
| 48 | void eeh_addr_cache_rmv_dev(struct pci_dev *dev); |
| 49 | struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr); |
| 50 | void eeh_slot_error_detail(struct eeh_pe *pe, int severity); |
| 51 | int eeh_pci_enable(struct eeh_pe *pe, int function); |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 52 | int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 53 | void eeh_save_bars(struct eeh_dev *edev); |
| 54 | int rtas_write_config(struct pci_dn *, int where, int size, u32 val); |
| 55 | int rtas_read_config(struct pci_dn *, int where, int size, u32 *val); |
| 56 | void eeh_pe_state_mark(struct eeh_pe *pe, int state); |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 57 | void eeh_pe_mark_isolated(struct eeh_pe *pe); |
| 58 | void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 59 | void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state); |
| 60 | void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode); |
| 61 | |
| 62 | void eeh_sysfs_add_device(struct pci_dev *pdev); |
| 63 | void eeh_sysfs_remove_device(struct pci_dev *pdev); |
| 64 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 65 | static inline const char *eeh_driver_name(struct pci_dev *pdev) |
| 66 | { |
| 67 | return (pdev && pdev->driver) ? pdev->driver->name : "<null>"; |
| 68 | } |
| 69 | |
| 70 | #endif /* CONFIG_EEH */ |
| 71 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 72 | #define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff) |
| 73 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 74 | #else /* CONFIG_PCI */ |
| 75 | static inline void init_pci_config_tokens(void) { } |
| 76 | #endif /* !CONFIG_PCI */ |
| 77 | |
| 78 | #endif /* __KERNEL__ */ |
| 79 | #endif /* _ASM_POWERPC_PPC_PCI_H */ |