^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Defines, structures, APIs for edac_device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * (C) 2007 Linux Networx (http://lnxi.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This file may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * GNU General Public License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Written by Thayne Harbaugh
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Based on work by Dan Hollis <goemon at anime dot net> and others.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * http://www.anime.net/~goemon/linux-ecc/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * NMI handling support added by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * Refactored for multi-source files:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Doug Thompson <norsk5@xmission.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Please look at Documentation/driver-api/edac.rst for more info about
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * EDAC core structs and functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #ifndef _EDAC_DEVICE_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define _EDAC_DEVICE_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/edac.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/kobject.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * The following are the structures to provide for a generic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * or abstract 'edac_device'. This set of structures and the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * code that implements the APIs for the same, provide for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * registering EDAC type devices which are NOT standard memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * CPU caches (L1 and L2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * DMA engines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * Core CPU switches
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * Fabric switch units
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * PCIe interface controllers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * other EDAC/ECC type devices that can be monitored for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * errors, etc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * It allows for a 2 level set of hierarchy. For example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * cache could be composed of L1, L2 and L3 levels of cache.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * Each CPU core would have its own L1 cache, while sharing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * L2 and maybe L3 caches.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * View them arranged, via the sysfs presentation:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * /sys/devices/system/edac/..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * mc/ <existing memory device directory>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * cpu/cpu0/.. <L1 and L2 block directory>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * /L1-cache/ce_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * /ue_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * /L2-cache/ce_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * /ue_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) * cpu/cpu1/.. <L1 and L2 block directory>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * /L1-cache/ce_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * /ue_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * /L2-cache/ce_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * /ue_count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * ...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * the L1 and L2 directories would be "edac_device_block's"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct edac_device_counter {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) u32 ue_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) u32 ce_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /* forward reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct edac_device_ctl_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct edac_device_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* edac_dev_sysfs_attribute structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * used for driver sysfs attributes in mem_ctl_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * for extra controls and attributes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * like high level error Injection controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct edac_dev_sysfs_attribute {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct attribute attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ssize_t (*show)(struct edac_device_ctl_info *, char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ssize_t (*store)(struct edac_device_ctl_info *, const char *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* edac_dev_sysfs_block_attribute structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * used in leaf 'block' nodes for adding controls/attributes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * each block in each instance of the containing control structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * can have an array of the following. The show and store functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * will be filled in with the show/store function in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * low level driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * The 'value' field will be the actual value field used for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * counting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct edac_dev_sysfs_block_attribute {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct attribute attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ssize_t (*show)(struct kobject *, struct attribute *, char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ssize_t (*store)(struct kobject *, struct attribute *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) const char *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct edac_device_block *block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) unsigned int value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) /* device block control structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct edac_device_block {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct edac_device_instance *instance; /* Up Pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) char name[EDAC_DEVICE_NAME_LEN + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct edac_device_counter counters; /* basic UE and CE counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int nr_attribs; /* how many attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /* this block's attributes, could be NULL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct edac_dev_sysfs_block_attribute *block_attributes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* edac sysfs device control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct kobject kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* device instance control structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct edac_device_instance {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct edac_device_ctl_info *ctl; /* Up pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) char name[EDAC_DEVICE_NAME_LEN + 4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct edac_device_counter counters; /* instance counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) u32 nr_blocks; /* how many blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct edac_device_block *blocks; /* block array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /* edac sysfs device control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct kobject kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * Abstract edac_device control info structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct edac_device_ctl_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* for global list of edac_device_ctl_info structs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct list_head link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct module *owner; /* Module owner of this control struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int dev_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* Per instance controls for this edac_device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) int log_ue; /* boolean for logging UEs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int log_ce; /* boolean for logging CEs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) int panic_on_ue; /* boolean for panic'ing on an UE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) unsigned poll_msec; /* number of milliseconds to poll interval */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) unsigned long delay; /* number of jiffies for poll_msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* Additional top controller level attributes, but specified
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * by the low level driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * Set by the low level driver to provide attributes at the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) * controller level, same level as 'ue_count' and 'ce_count' above.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * An array of structures, NULL terminated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * If attributes are desired, then set to array of attributes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) * If no attributes are desired, leave NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct edac_dev_sysfs_attribute *sysfs_attributes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /* pointer to main 'edac' subsys in sysfs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct bus_type *edac_subsys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /* the internal state of this controller instance */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int op_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* work struct for this instance */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct delayed_work work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /* pointer to edac polling checking routine:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * If NOT NULL: points to polling check routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * If NULL: Then assumes INTERRUPT operation, where
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * MC driver will receive events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) void (*edac_check) (struct edac_device_ctl_info * edac_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct device *dev; /* pointer to device structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) const char *mod_name; /* module name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) const char *ctl_name; /* edac controller name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) const char *dev_name; /* pci/platform/etc... name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) void *pvt_info; /* pointer to 'private driver' info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) unsigned long start_time; /* edac_device load start time (jiffies) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct completion removal_complete;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) /* sysfs top name under 'edac' directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * and instance name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * cpu/cpu0/...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * cpu/cpu1/...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) * cpu/cpu2/...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * ...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) char name[EDAC_DEVICE_NAME_LEN + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) /* Number of instances supported on this control structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) * and the array of those instances
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u32 nr_instances;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct edac_device_instance *instances;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) /* Event counters for the this whole EDAC Device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) struct edac_device_counter counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) /* edac sysfs device control for the 'name'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * device this structure controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct kobject kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /* To get from the instance's wq to the beginning of the ctl structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) #define to_edac_mem_ctl_work(w) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) container_of(w, struct mem_ctl_info, work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) #define to_edac_device_ctl_work(w) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) container_of(w,struct edac_device_ctl_info,work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * The alloc() and free() functions for the 'edac_device' control info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * structure. A MC driver will allocate one of these for each edac_device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * it is going to control/register with the EDAC CORE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) extern struct edac_device_ctl_info *edac_device_alloc_ctl_info(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) unsigned sizeof_private,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) char *edac_device_name, unsigned nr_instances,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) char *edac_block_name, unsigned nr_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) unsigned offset_value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) struct edac_dev_sysfs_block_attribute *block_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) unsigned nr_attribs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) int device_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) /* The offset value can be:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * -1 indicating no offset value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * 0 for zero-based block numbers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * 1 for 1-based block number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * other for other-based block number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) #define BLOCK_OFFSET_VALUE_OFF ((unsigned) -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) extern void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * edac_device_add_device: Insert the 'edac_dev' structure into the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * edac_device global list and create sysfs entries associated with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) * edac_device structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * @edac_dev: pointer to edac_device structure to be added to the list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * 'edac_device' structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * 0 on Success, or an error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * edac_device_del_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * Remove sysfs entries for specified edac_device structure and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) * then remove edac_device structure from global list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) * @dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * Pointer to struct &device representing the edac device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * structure to remove.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * Pointer to removed edac_device structure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * or %NULL if device not found.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * Log correctable errors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * @edac_dev: pointer to struct &edac_device_ctl_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) * @inst_nr: number of the instance where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * @count: Number of errors to log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) * @block_nr: number of the block where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) * @msg: message to be printed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) void edac_device_handle_ce_count(struct edac_device_ctl_info *edac_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) unsigned int count, int inst_nr, int block_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) const char *msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) * Log uncorrectable errors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) * @edac_dev: pointer to struct &edac_device_ctl_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * @inst_nr: number of the instance where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) * @count: Number of errors to log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) * @block_nr: number of the block where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) * @msg: message to be printed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) void edac_device_handle_ue_count(struct edac_device_ctl_info *edac_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) unsigned int count, int inst_nr, int block_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) const char *msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * edac_device_handle_ce(): Log a single correctable error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) * @edac_dev: pointer to struct &edac_device_ctl_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) * @inst_nr: number of the instance where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) * @block_nr: number of the block where the CE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * @msg: message to be printed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) edac_device_handle_ce(struct edac_device_ctl_info *edac_dev, int inst_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) int block_nr, const char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) edac_device_handle_ce_count(edac_dev, 1, inst_nr, block_nr, msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) * edac_device_handle_ue(): Log a single uncorrectable error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) * @edac_dev: pointer to struct &edac_device_ctl_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * @inst_nr: number of the instance where the UE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) * @block_nr: number of the block where the UE error happened
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * @msg: message to be printed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) edac_device_handle_ue(struct edac_device_ctl_info *edac_dev, int inst_nr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) int block_nr, const char *msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) edac_device_handle_ue_count(edac_dev, 1, inst_nr, block_nr, msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * edac_device_alloc_index: Allocate a unique device index number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) * Returns:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) * allocated index number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) extern int edac_device_alloc_index(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) extern const char *edac_layer_name[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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