/* * Intel 3000/3010 Memory Controller kernel module * Copyright (C) 2007 Akamai Technologies, Inc. * Shamelessly copied from: * Intel D82875P Memory Controller kernel module * (C) 2003 Linux Networx (http://lnxi.com) * * This file may be distributed under the terms of the * GNU General Public License. */ #include <linux/module.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/edac.h> #include "edac_module.h" #define EDAC_MOD_STR … #define I3000_RANKS … #define I3000_RANKS_PER_CHANNEL … #define I3000_CHANNELS … /* Intel 3000 register addresses - device 0 function 0 - DRAM Controller */ #define I3000_MCHBAR … #define I3000_MCHBAR_MASK … #define I3000_MMR_WINDOW_SIZE … #define I3000_EDEAP … #define I3000_DEAP … #define I3000_DEAP_GRAIN … /* * Helper functions to decode the DEAP/EDEAP hardware registers. * * The type promotion here is deliberate; we're deriving an * unsigned long pfn and offset from hardware regs which are u8/u32. */ static inline unsigned long deap_pfn(u8 edeap, u32 deap) { … } static inline unsigned long deap_offset(u32 deap) { … } static inline int deap_channel(u32 deap) { … } #define I3000_DERRSYN … #define I3000_ERRSTS … #define I3000_ERRSTS_BITS … #define I3000_ERRSTS_UE … #define I3000_ERRSTS_CE … #define I3000_ERRCMD … /* Intel MMIO register space - device 0 function 0 - MMR space */ #define I3000_DRB_SHIFT … #define I3000_C0DRB … #define I3000_C1DRB … #define I3000_C0DRA … #define I3000_C1DRA … static inline unsigned char odd_rank_attrib(unsigned char dra) { … } static inline unsigned char even_rank_attrib(unsigned char dra) { … } #define I3000_C0DRC0 … #define I3000_C0DRC1 … enum i3000p_chips { … }; struct i3000_dev_info { … }; struct i3000_error_info { … }; static const struct i3000_dev_info i3000_devs[] = …; static struct pci_dev *mci_pdev; static int i3000_registered = …; static struct edac_pci_ctl_info *i3000_pci; static void i3000_get_error_info(struct mem_ctl_info *mci, struct i3000_error_info *info) { … } static int i3000_process_error_info(struct mem_ctl_info *mci, struct i3000_error_info *info, int handle_errors) { … } static void i3000_check(struct mem_ctl_info *mci) { … } static int i3000_is_interleaved(const unsigned char *c0dra, const unsigned char *c1dra, const unsigned char *c0drb, const unsigned char *c1drb) { … } static int i3000_probe1(struct pci_dev *pdev, int dev_idx) { … } /* returns count (>= 0), or negative on error */ static int i3000_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { … } static void i3000_remove_one(struct pci_dev *pdev) { … } static const struct pci_device_id i3000_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, i3000_pci_tbl); static struct pci_driver i3000_driver = …; static int __init i3000_init(void) { … } static void __exit i3000_exit(void) { … } module_init(…) …; module_exit(i3000_exit); MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; module_param(edac_op_state, int, 0444); MODULE_PARM_DESC(…) …;
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