132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/*
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* Defines, structures, APIs for edac_mc module
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*
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* (C) 2007 Linux Networx (http://lnxi.com)
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* This file may be distributed under the terms of the
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* GNU General Public License.
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*
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* Written by Thayne Harbaugh
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* Based on work by Dan Hollis <goemon at anime dot net> and others.
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* http://www.anime.net/~goemon/linux-ecc/
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*
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* NMI handling support added by
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* Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>
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*
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* Refactored for multi-source files:
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* Doug Thompson <norsk5@xmission.com>
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*
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*/
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#ifndef _EDAC_MC_H_
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#define _EDAC_MC_H_
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/smp.h>
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#include <linux/pci.h>
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#include <linux/time.h>
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#include <linux/nmi.h>
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#include <linux/rcupdate.h>
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#include <linux/completion.h>
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#include <linux/kobject.h>
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#include <linux/platform_device.h>
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#include <linux/workqueue.h>
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#include <linux/edac.h>
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#if PAGE_SHIFT < 20
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#define PAGES_TO_MiB(pages) ((pages) >> (20 - PAGE_SHIFT))
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#define MiB_TO_PAGES(mb) ((mb) << (20 - PAGE_SHIFT))
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#else /* PAGE_SHIFT > 20 */
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#define PAGES_TO_MiB(pages) ((pages) << (PAGE_SHIFT - 20))
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#define MiB_TO_PAGES(mb) ((mb) >> (PAGE_SHIFT - 20))
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#endif
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#define edac_printk(level, prefix, fmt, arg...) \
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printk(level "EDAC " prefix ": " fmt, ##arg)
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#define edac_mc_printk(mci, level, fmt, arg...) \
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printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
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#define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \
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printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg)
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#define edac_device_printk(ctl, level, fmt, arg...) \
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printk(level "EDAC DEVICE%d: " fmt, ctl->dev_idx, ##arg)
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#define edac_pci_printk(ctl, level, fmt, arg...) \
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printk(level "EDAC PCI%d: " fmt, ctl->pci_idx, ##arg)
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/* prefixes for edac_printk() and edac_mc_printk() */
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#define EDAC_MC "MC"
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#define EDAC_PCI "PCI"
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#define EDAC_DEBUG "DEBUG"
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extern const char * const edac_mem_types[];
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#ifdef CONFIG_EDAC_DEBUG
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extern int edac_debug_level;
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#define edac_dbg(level, fmt, ...) \
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do { \
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if (level <= edac_debug_level) \
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edac_printk(KERN_DEBUG, EDAC_DEBUG, \
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"%s: " fmt, __func__, ##__VA_ARGS__); \
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} while (0)
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#else /* !CONFIG_EDAC_DEBUG */
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#define edac_dbg(level, fmt, ...) \
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do { \
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if (0) \
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edac_printk(KERN_DEBUG, EDAC_DEBUG, \
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"%s: " fmt, __func__, ##__VA_ARGS__); \
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} while (0)
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#endif /* !CONFIG_EDAC_DEBUG */
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#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
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PCI_DEVICE_ID_ ## vend ## _ ## dev
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#define edac_dev_name(dev) (dev)->dev_name
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#define to_mci(k) container_of(k, struct mem_ctl_info, dev)
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struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
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unsigned n_layers,
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struct edac_mc_layer *layers,
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unsigned sz_pvt);
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extern int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci,
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const struct attribute_group **groups);
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#define edac_mc_add_mc(mci) edac_mc_add_mc_with_groups(mci, NULL)
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extern void edac_mc_free(struct mem_ctl_info *mci);
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extern struct mem_ctl_info *edac_mc_find(int idx);
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extern struct mem_ctl_info *find_mci_by_dev(struct device *dev);
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extern struct mem_ctl_info *edac_mc_del_mc(struct device *dev);
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extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
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unsigned long page);
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void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
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struct mem_ctl_info *mci,
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struct edac_raw_error_desc *e);
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void edac_mc_handle_error(const enum hw_event_mc_err_type type,
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struct mem_ctl_info *mci,
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const u16 error_count,
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const unsigned long page_frame_number,
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const unsigned long offset_in_page,
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const unsigned long syndrome,
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const int top_layer,
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const int mid_layer,
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const int low_layer,
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const char *msg,
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const char *other_detail);
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/*
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* edac misc APIs
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*/
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extern char *edac_op_state_to_string(int op_state);
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#endif /* _EDAC_MC_H_ */
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