Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alan Cox | 221 | 47.32% | 4 | 21.05% |
Dave Jiang | 119 | 25.48% | 2 | 10.53% |
Mauro Carvalho Chehab | 77 | 16.49% | 3 | 15.79% |
Doug Thompson | 30 | 6.42% | 4 | 21.05% |
Harry Ciao | 7 | 1.50% | 1 | 5.26% |
James Bottomley | 3 | 0.64% | 1 | 5.26% |
Jens Axboe | 3 | 0.64% | 1 | 5.26% |
Kay Sievers | 3 | 0.64% | 1 | 5.26% |
Paul Gortmaker | 2 | 0.43% | 1 | 5.26% |
Jeff Haran | 2 | 0.43% | 1 | 5.26% |
Total | 467 | 19 |
/* * Defines, structures, APIs for edac_pci and edac_pci_sysfs * * (C) 2007 Linux Networx (http://lnxi.com) * This file may be distributed under the terms of the * GNU General Public License. * * Written by Thayne Harbaugh * Based on work by Dan Hollis <goemon at anime dot net> and others. * http://www.anime.net/~goemon/linux-ecc/ * * NMI handling support added by * Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com> * * Refactored for multi-source files: * Doug Thompson <norsk5@xmission.com> * * Please look at Documentation/driver-api/edac.rst for more info about * EDAC core structs and functions. */ #ifndef _EDAC_PCI_H_ #define _EDAC_PCI_H_ #include <linux/completion.h> #include <linux/device.h> #include <linux/edac.h> #include <linux/kobject.h> #include <linux/list.h> #include <linux/pci.h> #include <linux/types.h> #include <linux/workqueue.h> #ifdef CONFIG_PCI struct edac_pci_counter { atomic_t pe_count; atomic_t npe_count; }; /* * Abstract edac_pci control info structure * */ struct edac_pci_ctl_info { /* for global list of edac_pci_ctl_info structs */ struct list_head link; int pci_idx; struct bus_type *edac_subsys; /* pointer to subsystem */ /* the internal state of this controller instance */ int op_state; /* work struct for this instance */ struct delayed_work work; /* pointer to edac polling checking routine: * If NOT NULL: points to polling check routine * If NULL: Then assumes INTERRUPT operation, where * MC driver will receive events */ void (*edac_check) (struct edac_pci_ctl_info * edac_dev); struct device *dev; /* pointer to device structure */ const char *mod_name; /* module name */ const char *ctl_name; /* edac controller name */ const char *dev_name; /* pci/platform/etc... name */ void *pvt_info; /* pointer to 'private driver' info */ unsigned long start_time; /* edac_pci load start time (jiffies) */ struct completion complete; /* sysfs top name under 'edac' directory * and instance name: * cpu/cpu0/... * cpu/cpu1/... * cpu/cpu2/... * ... */ char name[EDAC_DEVICE_NAME_LEN + 1]; /* Event counters for the this whole EDAC Device */ struct edac_pci_counter counters; /* edac sysfs device control for the 'name' * device this structure controls */ struct kobject kobj; }; #define to_edac_pci_ctl_work(w) \ container_of(w, struct edac_pci_ctl_info,work) /* write all or some bits in a byte-register*/ static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value, u8 mask) { if (mask != 0xff) { u8 buf; pci_read_config_byte(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } pci_write_config_byte(pdev, offset, value); } /* write all or some bits in a word-register*/ static inline void pci_write_bits16(struct pci_dev *pdev, int offset, u16 value, u16 mask) { if (mask != 0xffff) { u16 buf; pci_read_config_word(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } pci_write_config_word(pdev, offset, value); } /* * pci_write_bits32 * * edac local routine to do pci_write_config_dword, but adds * a mask parameter. If mask is all ones, ignore the mask. * Otherwise utilize the mask to isolate specified bits * * write all or some bits in a dword-register */ static inline void pci_write_bits32(struct pci_dev *pdev, int offset, u32 value, u32 mask) { if (mask != 0xffffffff) { u32 buf; pci_read_config_dword(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } pci_write_config_dword(pdev, offset, value); } #endif /* CONFIG_PCI */ /* * edac_pci APIs */ /** * edac_pci_alloc_ctl_info: * The alloc() function for the 'edac_pci' control info * structure. * * @sz_pvt: size of the private info at struct &edac_pci_ctl_info * @edac_pci_name: name of the PCI device * * The chip driver will allocate one of these for each * edac_pci it is going to control/register with the EDAC CORE. * * Returns: a pointer to struct &edac_pci_ctl_info on success; %NULL otherwise. */ extern struct edac_pci_ctl_info *edac_pci_alloc_ctl_info(unsigned int sz_pvt, const char *edac_pci_name); /** * edac_pci_free_ctl_info(): * Last action on the pci control structure. * * @pci: pointer to struct &edac_pci_ctl_info * * Calls the remove sysfs information, which will unregister * this control struct's kobj. When that kobj's ref count * goes to zero, its release function will be call and then * kfree() the memory. */ extern void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci); /** * edac_pci_alloc_index: Allocate a unique PCI index number * * Returns: * allocated index number * */ extern int edac_pci_alloc_index(void); /** * edac_pci_add_device(): Insert the 'edac_dev' structure into the * edac_pci global list and create sysfs entries associated with * edac_pci structure. * * @pci: pointer to the edac_device structure to be added to the list * @edac_idx: A unique numeric identifier to be assigned to the * 'edac_pci' structure. * * Returns: * 0 on Success, or an error code on failure */ extern int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx); /** * edac_pci_del_device() * Remove sysfs entries for specified edac_pci structure and * then remove edac_pci structure from global list * * @dev: * Pointer to 'struct device' representing edac_pci structure * to remove * * Returns: * Pointer to removed edac_pci structure, * or %NULL if device not found */ extern struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev); /** * edac_pci_create_generic_ctl() * A generic constructor for a PCI parity polling device * Some systems have more than one domain of PCI busses. * For systems with one domain, then this API will * provide for a generic poller. * * @dev: pointer to struct &device; * @mod_name: name of the PCI device * * This routine calls the edac_pci_alloc_ctl_info() for * the generic device, with default values * * Returns: Pointer to struct &edac_pci_ctl_info on success, %NULL on * failure. */ extern struct edac_pci_ctl_info *edac_pci_create_generic_ctl( struct device *dev, const char *mod_name); /** * edac_pci_release_generic_ctl * The release function of a generic EDAC PCI polling device * * @pci: pointer to struct &edac_pci_ctl_info */ extern void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci); /** * edac_pci_create_sysfs * Create the controls/attributes for the specified EDAC PCI device * * @pci: pointer to struct &edac_pci_ctl_info */ extern int edac_pci_create_sysfs(struct edac_pci_ctl_info *pci); /** * edac_pci_remove_sysfs() * remove the controls and attributes for this EDAC PCI device * * @pci: pointer to struct &edac_pci_ctl_info */ extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci); #endif
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