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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h')
-rw-r--r-- | ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h b/ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h deleted file mode 100644 index d60f9981..00000000 --- a/ANDROID_3.4.5/arch/powerpc/include/asm/eeh.h +++ /dev/null @@ -1,291 +0,0 @@ -/* - * Copyright (C) 2001 Dave Engebretsen & Todd Inglett IBM Corporation. - * Copyright 2001-2012 IBM Corporation. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _POWERPC_EEH_H -#define _POWERPC_EEH_H -#ifdef __KERNEL__ - -#include <linux/init.h> -#include <linux/list.h> -#include <linux/string.h> - -struct pci_dev; -struct pci_bus; -struct device_node; - -#ifdef CONFIG_EEH - -/* - * The struct is used to trace EEH state for the associated - * PCI device node or PCI device. In future, it might - * represent PE as well so that the EEH device to form - * another tree except the currently existing tree of PCI - * buses and PCI devices - */ -#define EEH_MODE_SUPPORTED (1<<0) /* EEH supported on the device */ -#define EEH_MODE_NOCHECK (1<<1) /* EEH check should be skipped */ -#define EEH_MODE_ISOLATED (1<<2) /* The device has been isolated */ -#define EEH_MODE_RECOVERING (1<<3) /* Recovering the device */ -#define EEH_MODE_IRQ_DISABLED (1<<4) /* Interrupt disabled */ - -struct eeh_dev { - int mode; /* EEH mode */ - int class_code; /* Class code of the device */ - int config_addr; /* Config address */ - int pe_config_addr; /* PE config address */ - int check_count; /* Times of ignored error */ - int freeze_count; /* Times of froze up */ - int false_positives; /* Times of reported #ff's */ - u32 config_space[16]; /* Saved PCI config space */ - struct pci_controller *phb; /* Associated PHB */ - struct device_node *dn; /* Associated device node */ - struct pci_dev *pdev; /* Associated PCI device */ -}; - -static inline struct device_node *eeh_dev_to_of_node(struct eeh_dev *edev) -{ - return edev->dn; -} - -static inline struct pci_dev *eeh_dev_to_pci_dev(struct eeh_dev *edev) -{ - return edev->pdev; -} - -/* - * The struct is used to trace the registered EEH operation - * callback functions. Actually, those operation callback - * functions are heavily platform dependent. That means the - * platform should register its own EEH operation callback - * functions before any EEH further operations. - */ -#define EEH_OPT_DISABLE 0 /* EEH disable */ -#define EEH_OPT_ENABLE 1 /* EEH enable */ -#define EEH_OPT_THAW_MMIO 2 /* MMIO enable */ -#define EEH_OPT_THAW_DMA 3 /* DMA enable */ -#define EEH_STATE_UNAVAILABLE (1 << 0) /* State unavailable */ -#define EEH_STATE_NOT_SUPPORT (1 << 1) /* EEH not supported */ -#define EEH_STATE_RESET_ACTIVE (1 << 2) /* Active reset */ -#define EEH_STATE_MMIO_ACTIVE (1 << 3) /* Active MMIO */ -#define EEH_STATE_DMA_ACTIVE (1 << 4) /* Active DMA */ -#define EEH_STATE_MMIO_ENABLED (1 << 5) /* MMIO enabled */ -#define EEH_STATE_DMA_ENABLED (1 << 6) /* DMA enabled */ -#define EEH_RESET_DEACTIVATE 0 /* Deactivate the PE reset */ -#define EEH_RESET_HOT 1 /* Hot reset */ -#define EEH_RESET_FUNDAMENTAL 3 /* Fundamental reset */ -#define EEH_LOG_TEMP 1 /* EEH temporary error log */ -#define EEH_LOG_PERM 2 /* EEH permanent error log */ - -struct eeh_ops { - char *name; - int (*init)(void); - int (*set_option)(struct device_node *dn, int option); - int (*get_pe_addr)(struct device_node *dn); - int (*get_state)(struct device_node *dn, int *state); - int (*reset)(struct device_node *dn, int option); - int (*wait_state)(struct device_node *dn, int max_wait); - int (*get_log)(struct device_node *dn, int severity, char *drv_log, unsigned long len); - int (*configure_bridge)(struct device_node *dn); - int (*read_config)(struct device_node *dn, int where, int size, u32 *val); - int (*write_config)(struct device_node *dn, int where, int size, u32 val); -}; - -extern struct eeh_ops *eeh_ops; -extern int eeh_subsystem_enabled; - -/* - * Max number of EEH freezes allowed before we consider the device - * to be permanently disabled. - */ -#define EEH_MAX_ALLOWED_FREEZES 5 - -void * __devinit eeh_dev_init(struct device_node *dn, void *data); -void __devinit eeh_dev_phb_init_dynamic(struct pci_controller *phb); -void __init eeh_dev_phb_init(void); -void __init eeh_init(void); -#ifdef CONFIG_PPC_PSERIES -int __init eeh_pseries_init(void); -#endif -int __init eeh_ops_register(struct eeh_ops *ops); -int __exit eeh_ops_unregister(const char *name); -unsigned long eeh_check_failure(const volatile void __iomem *token, - unsigned long val); -int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev); -void __init pci_addr_cache_build(void); -void eeh_add_device_tree_early(struct device_node *); -void eeh_add_device_tree_late(struct pci_bus *); -void eeh_remove_bus_device(struct pci_dev *); - -/** - * EEH_POSSIBLE_ERROR() -- test for possible MMIO failure. - * - * If this macro yields TRUE, the caller relays to eeh_check_failure() - * which does further tests out of line. - */ -#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_subsystem_enabled) - -/* - * Reads from a device which has been isolated by EEH will return - * all 1s. This macro gives an all-1s value of the given size (in - * bytes: 1, 2, or 4) for comparing with the result of a read. - */ -#define EEH_IO_ERROR_VALUE(size) (~0U >> ((4 - (size)) * 8)) - -#else /* !CONFIG_EEH */ - -static inline void *eeh_dev_init(struct device_node *dn, void *data) -{ - return NULL; -} - -static inline void eeh_dev_phb_init_dynamic(struct pci_controller *phb) { } - -static inline void eeh_dev_phb_init(void) { } - -static inline void eeh_init(void) { } - -#ifdef CONFIG_PPC_PSERIES -static inline int eeh_pseries_init(void) -{ - return 0; -} -#endif /* CONFIG_PPC_PSERIES */ - -static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val) -{ - return val; -} - -static inline int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) -{ - return 0; -} - -static inline void pci_addr_cache_build(void) { } - -static inline void eeh_add_device_tree_early(struct device_node *dn) { } - -static inline void eeh_add_device_tree_late(struct pci_bus *bus) { } - -static inline void eeh_remove_bus_device(struct pci_dev *dev) { } -#define EEH_POSSIBLE_ERROR(val, type) (0) -#define EEH_IO_ERROR_VALUE(size) (-1UL) -#endif /* CONFIG_EEH */ - -#ifdef CONFIG_PPC64 -/* - * MMIO read/write operations with EEH support. - */ -static inline u8 eeh_readb(const volatile void __iomem *addr) -{ - u8 val = in_8(addr); - if (EEH_POSSIBLE_ERROR(val, u8)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u16 eeh_readw(const volatile void __iomem *addr) -{ - u16 val = in_le16(addr); - if (EEH_POSSIBLE_ERROR(val, u16)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u32 eeh_readl(const volatile void __iomem *addr) -{ - u32 val = in_le32(addr); - if (EEH_POSSIBLE_ERROR(val, u32)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u64 eeh_readq(const volatile void __iomem *addr) -{ - u64 val = in_le64(addr); - if (EEH_POSSIBLE_ERROR(val, u64)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u16 eeh_readw_be(const volatile void __iomem *addr) -{ - u16 val = in_be16(addr); - if (EEH_POSSIBLE_ERROR(val, u16)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u32 eeh_readl_be(const volatile void __iomem *addr) -{ - u32 val = in_be32(addr); - if (EEH_POSSIBLE_ERROR(val, u32)) - return eeh_check_failure(addr, val); - return val; -} - -static inline u64 eeh_readq_be(const volatile void __iomem *addr) -{ - u64 val = in_be64(addr); - if (EEH_POSSIBLE_ERROR(val, u64)) - return eeh_check_failure(addr, val); - return val; -} - -static inline void eeh_memcpy_fromio(void *dest, const - volatile void __iomem *src, - unsigned long n) -{ - _memcpy_fromio(dest, src, n); - - /* Look for ffff's here at dest[n]. Assume that at least 4 bytes - * were copied. Check all four bytes. - */ - if (n >= 4 && EEH_POSSIBLE_ERROR(*((u32 *)(dest + n - 4)), u32)) - eeh_check_failure(src, *((u32 *)(dest + n - 4))); -} - -/* in-string eeh macros */ -static inline void eeh_readsb(const volatile void __iomem *addr, void * buf, - int ns) -{ - _insb(addr, buf, ns); - if (EEH_POSSIBLE_ERROR((*(((u8*)buf)+ns-1)), u8)) - eeh_check_failure(addr, *(u8*)buf); -} - -static inline void eeh_readsw(const volatile void __iomem *addr, void * buf, - int ns) -{ - _insw(addr, buf, ns); - if (EEH_POSSIBLE_ERROR((*(((u16*)buf)+ns-1)), u16)) - eeh_check_failure(addr, *(u16*)buf); -} - -static inline void eeh_readsl(const volatile void __iomem *addr, void * buf, - int nl) -{ - _insl(addr, buf, nl); - if (EEH_POSSIBLE_ERROR((*(((u32*)buf)+nl-1)), u32)) - eeh_check_failure(addr, *(u32*)buf); -} - -#endif /* CONFIG_PPC64 */ -#endif /* __KERNEL__ */ -#endif /* _POWERPC_EEH_H */ |