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drivers/edac: core Lindent cleanup

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Run the EDAC CORE files through Lindent for cleanup

Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Douglas Thompson 2007-07-19 01:49:58 -07:00 committed by Linus Torvalds
parent 4de78c6877
commit 079708b917
11 changed files with 722 additions and 821 deletions
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173
drivers/edac/edac_core.h
View file

@ -84,7 +84,7 @@ extern int edac_debug_level;
#define debugf3( ... ) edac_debug_printk(3, __VA_ARGS__ )
#define debugf4( ... ) edac_debug_printk(4, __VA_ARGS__ )
#else /* !CONFIG_EDAC_DEBUG */
#else /* !CONFIG_EDAC_DEBUG */
#define debugf0( ... )
#define debugf1( ... )
@ -92,7 +92,7 @@ extern int edac_debug_level;
#define debugf3( ... )
#define debugf4( ... )
#endif /* !CONFIG_EDAC_DEBUG */
#endif /* !CONFIG_EDAC_DEBUG */
#define BIT(x) (1 << (x))
@ -135,9 +135,9 @@ enum mem_type {
MEM_DDR, /* Double data rate SDRAM */
MEM_RDDR, /* Registered Double data rate SDRAM */
MEM_RMBS, /* Rambus DRAM */
MEM_DDR2, /* DDR2 RAM */
MEM_FB_DDR2, /* fully buffered DDR2 */
MEM_RDDR2, /* Registered DDR2 RAM */
MEM_DDR2, /* DDR2 RAM */
MEM_FB_DDR2, /* fully buffered DDR2 */
MEM_RDDR2, /* Registered DDR2 RAM */
};
#define MEM_FLAG_EMPTY BIT(MEM_EMPTY)
@ -211,7 +211,7 @@ enum scrub_type {
#define OP_RUNNING_POLL_INTR 0x203
#define OP_OFFLINE 0x300
extern char * edac_align_ptr(void *ptr, unsigned size);
extern char *edac_align_ptr(void *ptr, unsigned size);
/*
* There are several things to be aware of that aren't at all obvious:
@ -298,7 +298,7 @@ extern char * edac_align_ptr(void *ptr, unsigned size);
struct channel_info {
int chan_idx; /* channel index */
u32 ce_count; /* Correctable Errors for this CHANNEL */
char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */
char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */
struct csrow_info *csrow; /* the parent */
};
@ -327,7 +327,7 @@ struct csrow_info {
};
struct mem_ctl_info {
struct list_head link; /* for global list of mem_ctl_info structs */
struct list_head link; /* for global list of mem_ctl_info structs */
unsigned long mtype_cap; /* memory types supported by mc */
unsigned long edac_ctl_cap; /* Mem controller EDAC capabilities */
unsigned long edac_cap; /* configuration capabilities - this is
@ -344,14 +344,14 @@ struct mem_ctl_info {
/* Translates sdram memory scrub rate given in bytes/sec to the
internal representation and configures whatever else needs
to be configured.
*/
int (*set_sdram_scrub_rate) (struct mem_ctl_info *mci, u32 *bw);
*/
int (*set_sdram_scrub_rate) (struct mem_ctl_info * mci, u32 * bw);
/* Get the current sdram memory scrub rate from the internal
representation and converts it to the closest matching
bandwith in bytes/sec.
*/
int (*get_sdram_scrub_rate) (struct mem_ctl_info *mci, u32 *bw);
*/
int (*get_sdram_scrub_rate) (struct mem_ctl_info * mci, u32 * bw);
/* pointer to edac checking routine */
void (*edac_check) (struct mem_ctl_info * mci);
@ -362,7 +362,7 @@ struct mem_ctl_info {
*/
/* FIXME - why not send the phys page to begin with? */
unsigned long (*ctl_page_to_phys) (struct mem_ctl_info * mci,
unsigned long page);
unsigned long page);
int mc_idx;
int nr_csrows;
struct csrow_info *csrows;
@ -444,8 +444,8 @@ struct mem_ctl_info {
*/
struct edac_device_counter {
u32 ue_count;
u32 ce_count;
u32 ue_count;
u32 ce_count;
};
#define INC_COUNTER(cnt) (cnt++)
@ -455,14 +455,13 @@ struct edac_device_counter {
* to specify attributes of the edac_block
*/
struct edac_attrib_spec {
char name[EDAC_DEVICE_NAME_LEN + 1];
char name[EDAC_DEVICE_NAME_LEN + 1];
int type;
#define EDAC_ATTR_INT 0x01
#define EDAC_ATTR_CHAR 0x02
};
/* Attribute control structure
* In this structure is a pointer to the driver's edac_attrib_spec
* The life of this pointer is inclusive in the life of the driver's
@ -471,9 +470,9 @@ struct edac_attrib_spec {
struct edac_attrib {
struct edac_device_block *block; /* Up Pointer */
struct edac_attrib_spec *spec; /* ptr to module spec entry */
struct edac_attrib_spec *spec; /* ptr to module spec entry */
union { /* actual value */
union { /* actual value */
int edac_attrib_int_value;
char edac_attrib_char_value[EDAC_ATTRIB_VALUE_LEN + 1];
} edac_attrib_value;
@ -482,12 +481,12 @@ struct edac_attrib {
/* device block control structure */
struct edac_device_block {
struct edac_device_instance *instance; /* Up Pointer */
char name[EDAC_DEVICE_NAME_LEN + 1];
char name[EDAC_DEVICE_NAME_LEN + 1];
struct edac_device_counter counters; /* basic UE and CE counters */
int nr_attribs; /* how many attributes */
struct edac_attrib *attribs; /* this block's attributes */
int nr_attribs; /* how many attributes */
struct edac_attrib *attribs; /* this block's attributes */
/* edac sysfs device control */
struct kobject kobj;
@ -501,7 +500,7 @@ struct edac_device_instance {
struct edac_device_counter counters; /* instance counters */
u32 nr_blocks; /* how many blocks */
u32 nr_blocks; /* how many blocks */
struct edac_device_block *blocks; /* block array */
/* edac sysfs device control */
@ -509,7 +508,6 @@ struct edac_device_instance {
struct completion kobj_complete;
};
/*
* Abstract edac_device control info structure
*
@ -539,9 +537,9 @@ struct edac_device_ctl_info {
#endif
/* 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
* 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_device_ctl_info * edac_dev);
@ -553,7 +551,7 @@ struct edac_device_ctl_info {
void *pvt_info; /* pointer to 'private driver' info */
unsigned long start_time;/* edac_device load start time (jiffies)*/
unsigned long start_time; /* edac_device load start time (jiffies) */
/* these are for safe removal of mc devices from global list while
* NMI handlers may be traversing list
@ -563,10 +561,10 @@ struct edac_device_ctl_info {
/* sysfs top name under 'edac' directory
* and instance name:
* cpu/cpu0/...
* cpu/cpu1/...
* cpu/cpu2/...
* ...
* cpu/cpu0/...
* cpu/cpu1/...
* cpu/cpu2/...
* ...
*/
char name[EDAC_DEVICE_NAME_LEN + 1];
@ -594,8 +592,7 @@ struct edac_device_ctl_info {
container_of(w,struct edac_device_ctl_info,work)
/* Function to calc the number of delay jiffies from poll_msec */
static inline void edac_device_calc_delay(
struct edac_device_ctl_info *edac_dev)
static inline void edac_device_calc_delay(struct edac_device_ctl_info *edac_dev)
{
/* convert from msec to jiffies */
edac_dev->delay = edac_dev->poll_msec * HZ / 1000;
@ -609,15 +606,14 @@ static inline void edac_device_calc_delay(
* it is going to control/register with the EDAC CORE.
*/
extern struct edac_device_ctl_info *edac_device_alloc_ctl_info(
unsigned sizeof_private,
char *edac_device_name,
unsigned nr_instances,
char *edac_block_name,
unsigned nr_blocks,
unsigned offset_value,
struct edac_attrib_spec *attrib_spec,
unsigned nr_attribs
);
unsigned sizeof_private,
char *edac_device_name,
unsigned nr_instances,
char *edac_block_name,
unsigned nr_blocks,
unsigned offset_value,
struct edac_attrib_spec *attrib_spec,
unsigned nr_attribs);
/* The offset value can be:
* -1 indicating no offset value
@ -627,13 +623,13 @@ extern struct edac_device_ctl_info *edac_device_alloc_ctl_info(
*/
#define BLOCK_OFFSET_VALUE_OFF ((unsigned) -1)
extern void edac_device_free_ctl_info( struct edac_device_ctl_info *ctl_info);
extern void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info);
#ifdef CONFIG_PCI
struct edac_pci_counter {
atomic_t pe_count;
atomic_t npe_count;
atomic_t pe_count;
atomic_t npe_count;
};
/*
@ -658,9 +654,9 @@ struct edac_pci_ctl_info {
#endif
/* 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
* 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);
@ -672,7 +668,7 @@ struct edac_pci_ctl_info {
void *pvt_info; /* pointer to 'private driver' info */
unsigned long start_time;/* edac_pci load start time (jiffies)*/
unsigned long start_time; /* edac_pci load start time (jiffies) */
/* these are for safe removal of devices from global list while
* NMI handlers may be traversing list
@ -682,10 +678,10 @@ struct edac_pci_ctl_info {
/* sysfs top name under 'edac' directory
* and instance name:
* cpu/cpu0/...
* cpu/cpu1/...
* cpu/cpu2/...
* ...
* cpu/cpu0/...
* cpu/cpu1/...
* cpu/cpu2/...
* ...
*/
char name[EDAC_DEVICE_NAME_LEN + 1];
@ -704,7 +700,7 @@ struct edac_pci_ctl_info {
/* 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)
u8 mask)
{
if (mask != 0xff) {
u8 buf;
@ -720,7 +716,7 @@ static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 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)
u16 value, u16 mask)
{
if (mask != 0xffff) {
u16 buf;
@ -736,7 +732,7 @@ static inline void pci_write_bits16(struct pci_dev *pdev, int offset,
/* 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)
u32 value, u32 mask)
{
if (mask != 0xffff) {
u32 buf;
@ -750,13 +746,13 @@ static inline void pci_write_bits32(struct pci_dev *pdev, int offset,
pci_write_config_dword(pdev, offset, value);
}
#endif /* CONFIG_PCI */
#endif /* CONFIG_PCI */
extern struct mem_ctl_info * edac_mc_find(int idx);
extern int edac_mc_add_mc(struct mem_ctl_info *mci,int mc_idx);
extern struct mem_ctl_info * edac_mc_del_mc(struct device *dev);
extern struct mem_ctl_info *edac_mc_find(int idx);
extern int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx);
extern struct mem_ctl_info *edac_mc_del_mc(struct device *dev);
extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
unsigned long page);
unsigned long page);
/*
* The no info errors are used when error overflows are reported.
@ -769,44 +765,43 @@ extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
* statement clutter and extra function arguments.
*/
extern void edac_mc_handle_ce(struct mem_ctl_info *mci,
unsigned long page_frame_number, unsigned long offset_in_page,
unsigned long syndrome, int row, int channel,
const char *msg);
unsigned long page_frame_number,
unsigned long offset_in_page,
unsigned long syndrome, int row, int channel,
const char *msg);
extern void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci,
const char *msg);
const char *msg);
extern void edac_mc_handle_ue(struct mem_ctl_info *mci,
unsigned long page_frame_number, unsigned long offset_in_page,
int row, const char *msg);
unsigned long page_frame_number,
unsigned long offset_in_page, int row,
const char *msg);
extern void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci,
const char *msg);
extern void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
unsigned int csrow,
unsigned int channel0,
unsigned int channel1,
char *msg);
extern void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci,
unsigned int csrow,
unsigned int channel,
char *msg);
const char *msg);
extern void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci, unsigned int csrow,
unsigned int channel0, unsigned int channel1,
char *msg);
extern void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci, unsigned int csrow,
unsigned int channel, char *msg);
/*
* edac_device APIs
*/
extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
unsigned nr_chans);
unsigned nr_chans);
extern void edac_mc_free(struct mem_ctl_info *mci);
extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev, int edac_idx);
extern struct edac_device_ctl_info * edac_device_del_device(struct device *dev);
extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev,
int edac_idx);
extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg);
int inst_nr, int block_nr, const char *msg);
extern void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg);
int inst_nr, int block_nr, const char *msg);
/*
* edac_pci APIs
*/
extern struct edac_pci_ctl_info *
edac_pci_alloc_ctl_info(unsigned int sz_pvt, const char *edac_pci_name);
extern struct edac_pci_ctl_info *edac_pci_alloc_ctl_info(unsigned int sz_pvt, const char
*edac_pci_name);
extern void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci);
@ -814,10 +809,10 @@ extern void
edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci, unsigned long value);
extern int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx);
extern struct edac_pci_ctl_info * edac_pci_del_device(struct device *dev);
extern struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev);
extern struct edac_pci_ctl_info *
edac_pci_create_generic_ctl(struct device *dev, const char *mod_name);
extern struct edac_pci_ctl_info *edac_pci_create_generic_ctl(struct device *dev, const char
*mod_name);
extern void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci);
extern int edac_pci_create_sysfs(struct edac_pci_ctl_info *pci);
@ -826,6 +821,6 @@ extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
/*
* edac misc APIs
*/
extern char * edac_op_state_toString(int op_state);
extern char *edac_op_state_toString(int op_state);
#endif /* _EDAC_CORE_H_ */

186
drivers/edac/edac_device.c
View file

@ -35,7 +35,6 @@
static DECLARE_MUTEX(device_ctls_mutex);
static struct list_head edac_device_list = LIST_HEAD_INIT(edac_device_list);
static inline void lock_device_list(void)
{
down(&device_ctls_mutex);
@ -46,18 +45,17 @@ static inline void unlock_device_list(void)
up(&device_ctls_mutex);
}
#ifdef CONFIG_EDAC_DEBUG
static void edac_device_dump_device(struct edac_device_ctl_info *edac_dev)
{
debugf3("\tedac_dev = %p dev_idx=%d \n", edac_dev,edac_dev->dev_idx);
debugf3("\tedac_dev = %p dev_idx=%d \n", edac_dev, edac_dev->dev_idx);
debugf4("\tedac_dev->edac_check = %p\n", edac_dev->edac_check);
debugf3("\tdev = %p\n", edac_dev->dev);
debugf3("\tmod_name:ctl_name = %s:%s\n",
edac_dev->mod_name, edac_dev->ctl_name);
debugf3("\tpvt_info = %p\n\n", edac_dev->pvt_info);
}
#endif /* CONFIG_EDAC_DEBUG */
#endif /* CONFIG_EDAC_DEBUG */
/*
* The alloc() and free() functions for the 'edac_device' control info
@ -71,7 +69,8 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
char *edac_block_name,
unsigned nr_blocks,
unsigned offset_value,
struct edac_attrib_spec *attrib_spec,
struct edac_attrib_spec
*attrib_spec,
unsigned nr_attribs)
{
struct edac_device_ctl_info *dev_ctl;
@ -84,35 +83,35 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
void *pvt;
debugf1("%s() instances=%d blocks=%d\n",
__func__,nr_instances,nr_blocks);
__func__, nr_instances, nr_blocks);
/* Figure out the offsets of the various items from the start of an
* ctl_info structure. We want the alignment of each item
* to be at least as stringent as what the compiler would
* provide if we could simply hardcode everything into a single struct.
*/
dev_ctl = (struct edac_device_ctl_info *) 0;
dev_ctl = (struct edac_device_ctl_info *)0;
/* Calc the 'end' offset past the ctl_info structure */
dev_inst = (struct edac_device_instance *)
edac_align_ptr(&dev_ctl[1],sizeof(*dev_inst));
edac_align_ptr(&dev_ctl[1], sizeof(*dev_inst));
/* Calc the 'end' offset past the instance array */
dev_blk = (struct edac_device_block *)
edac_align_ptr(&dev_inst[nr_instances],sizeof(*dev_blk));
edac_align_ptr(&dev_inst[nr_instances], sizeof(*dev_blk));
/* Calc the 'end' offset past the dev_blk array */
count = nr_instances * nr_blocks;
dev_attrib = (struct edac_attrib *)
edac_align_ptr(&dev_blk[count],sizeof(*dev_attrib));
edac_align_ptr(&dev_blk[count], sizeof(*dev_attrib));
/* Check for case of NO attributes specified */
if (nr_attribs > 0)
count *= nr_attribs;
/* Calc the 'end' offset past the attributes array */
pvt = edac_align_ptr(&dev_attrib[count],sz_private);
total_size = ((unsigned long) pvt) + sz_private;
pvt = edac_align_ptr(&dev_attrib[count], sz_private);
total_size = ((unsigned long)pvt) + sz_private;
/* Allocate the amount of memory for the set of control structures */
if ((dev_ctl = kmalloc(total_size, GFP_KERNEL)) == NULL)
@ -122,22 +121,21 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
* rather than an imaginary chunk of memory located at address 0.
*/
dev_inst = (struct edac_device_instance *)
(((char *) dev_ctl) + ((unsigned long) dev_inst));
(((char *)dev_ctl) + ((unsigned long)dev_inst));
dev_blk = (struct edac_device_block *)
(((char *) dev_ctl) + ((unsigned long) dev_blk));
(((char *)dev_ctl) + ((unsigned long)dev_blk));
dev_attrib = (struct edac_attrib *)
(((char *) dev_ctl) + ((unsigned long) dev_attrib));
pvt = sz_private ?
(((char *) dev_ctl) + ((unsigned long) pvt)) : NULL;
(((char *)dev_ctl) + ((unsigned long)dev_attrib));
pvt = sz_private ? (((char *)dev_ctl) + ((unsigned long)pvt)) : NULL;
memset(dev_ctl, 0, total_size); /* clear all fields */
memset(dev_ctl, 0, total_size); /* clear all fields */
dev_ctl->nr_instances = nr_instances;
dev_ctl->instances = dev_inst;
dev_ctl->pvt_info = pvt;
/* Name of this edac device, ensure null terminated */
snprintf(dev_ctl->name,sizeof(dev_ctl->name),"%s", edac_device_name);
dev_ctl->name[sizeof(dev_ctl->name)-1] = '\0';
snprintf(dev_ctl->name, sizeof(dev_ctl->name), "%s", edac_device_name);
dev_ctl->name[sizeof(dev_ctl->name) - 1] = '\0';
/* Initialize every Instance */
for (instance = 0; instance < nr_instances; instance++) {
@ -149,24 +147,22 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
/* name of this instance */
snprintf(inst->name, sizeof(inst->name),
"%s%u", edac_device_name, instance);
inst->name[sizeof(inst->name)-1] = '\0';
"%s%u", edac_device_name, instance);
inst->name[sizeof(inst->name) - 1] = '\0';
/* Initialize every block in each instance */
for ( block = 0;
block < nr_blocks;
block++) {
for (block = 0; block < nr_blocks; block++) {
blk = &blk_p[block];
blk->instance = inst;
blk->nr_attribs = nr_attribs;
attrib_p = &dev_attrib[block * nr_attribs];
blk->attribs = attrib_p;
snprintf(blk->name, sizeof(blk->name),
"%s%d", edac_block_name,block+1);
blk->name[sizeof(blk->name)-1] = '\0';
"%s%d", edac_block_name, block + 1);
blk->name[sizeof(blk->name) - 1] = '\0';
debugf1("%s() instance=%d block=%d name=%s\n",
__func__, instance,block,blk->name);
__func__, instance, block, blk->name);
if (attrib_spec != NULL) {
/* when there is an attrib_spec passed int then
@ -178,7 +174,7 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
/* Link each attribute to the caller's
* spec entry, for name and type
*/
*/
attrib->spec = &attrib_spec[attr];
}
}
@ -190,6 +186,7 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
return dev_ctl;
}
EXPORT_SYMBOL_GPL(edac_device_alloc_ctl_info);
/*
@ -197,19 +194,18 @@ EXPORT_SYMBOL_GPL(edac_device_alloc_ctl_info);
* frees the memory allocated by the edac_device_alloc_ctl_info()
* function
*/
void edac_device_free_ctl_info( struct edac_device_ctl_info *ctl_info) {
void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info)
{
kfree(ctl_info);
}
EXPORT_SYMBOL_GPL(edac_device_free_ctl_info);
/*
* find_edac_device_by_dev
* scans the edac_device list for a specific 'struct device *'
*/
static struct edac_device_ctl_info *
find_edac_device_by_dev(struct device *dev)
static struct edac_device_ctl_info *find_edac_device_by_dev(struct device *dev)
{
struct edac_device_ctl_info *edac_dev;
struct list_head *item;
@ -234,7 +230,7 @@ find_edac_device_by_dev(struct device *dev)
* 0 on success
* 1 on failure.
*/
static int add_edac_dev_to_global_list (struct edac_device_ctl_info *edac_dev)
static int add_edac_dev_to_global_list(struct edac_device_ctl_info *edac_dev)
{
struct list_head *item, *insert_before;
struct edac_device_ctl_info *rover;
@ -261,17 +257,18 @@ static int add_edac_dev_to_global_list (struct edac_device_ctl_info *edac_dev)
list_add_tail_rcu(&edac_dev->link, insert_before);
return 0;
fail0:
fail0:
edac_printk(KERN_WARNING, EDAC_MC,
"%s (%s) %s %s already assigned %d\n",
rover->dev->bus_id, dev_name(rover),
rover->mod_name, rover->ctl_name, rover->dev_idx);
"%s (%s) %s %s already assigned %d\n",
rover->dev->bus_id, dev_name(rover),
rover->mod_name, rover->ctl_name, rover->dev_idx);
return 1;
fail1:
fail1:
edac_printk(KERN_WARNING, EDAC_MC,
"bug in low-level driver: attempt to assign\n"
" duplicate dev_idx %d in %s()\n", rover->dev_idx, __func__);
"bug in low-level driver: attempt to assign\n"
" duplicate dev_idx %d in %s()\n", rover->dev_idx,
__func__);
return 1;
}
@ -290,8 +287,8 @@ static void complete_edac_device_list_del(struct rcu_head *head)
/*
* del_edac_device_from_global_list
*/
static void del_edac_device_from_global_list(
struct edac_device_ctl_info *edac_device)
static void del_edac_device_from_global_list(struct edac_device_ctl_info
*edac_device)
{
list_del_rcu(&edac_device->link);
init_completion(&edac_device->complete);
@ -308,7 +305,7 @@ static void del_edac_device_from_global_list(
*
* Caller must hold device_ctls_mutex.
*/
struct edac_device_ctl_info * edac_device_find(int idx)
struct edac_device_ctl_info *edac_device_find(int idx)
{
struct list_head *item;
struct edac_device_ctl_info *edac_dev;
@ -328,8 +325,8 @@ struct edac_device_ctl_info * edac_device_find(int idx)
return NULL;
}
EXPORT_SYMBOL(edac_device_find);
EXPORT_SYMBOL(edac_device_find);
/*
* edac_device_workq_function
@ -338,14 +335,13 @@ EXPORT_SYMBOL(edac_device_find);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
static void edac_device_workq_function(struct work_struct *work_req)
{
struct delayed_work *d_work = (struct delayed_work*) work_req;
struct edac_device_ctl_info *edac_dev =
to_edac_device_ctl_work(d_work);
struct delayed_work *d_work = (struct delayed_work *)work_req;
struct edac_device_ctl_info *edac_dev = to_edac_device_ctl_work(d_work);
#else
static void edac_device_workq_function(void *ptr)
{
struct edac_device_ctl_info *edac_dev =
(struct edac_device_ctl_info *) ptr;
(struct edac_device_ctl_info *)ptr;
#endif
//debugf0("%s() here and running\n", __func__);
@ -353,14 +349,14 @@ static void edac_device_workq_function(void *ptr)
/* Only poll controllers that are running polled and have a check */
if ((edac_dev->op_state == OP_RUNNING_POLL) &&
(edac_dev->edac_check != NULL)) {
(edac_dev->edac_check != NULL)) {
edac_dev->edac_check(edac_dev);
}
unlock_device_list();
/* Reschedule */
queue_delayed_work(edac_workqueue,&edac_dev->work, edac_dev->delay);
queue_delayed_work(edac_workqueue, &edac_dev->work, edac_dev->delay);
}
/*
@ -369,7 +365,7 @@ static void edac_device_workq_function(void *ptr)
* passing in the new delay period in msec
*/
void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
unsigned msec)
unsigned msec)
{
debugf0("%s()\n", __func__);
@ -403,9 +399,8 @@ void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev)
* edac_device_reset_delay_period
*/
void edac_device_reset_delay_period(
struct edac_device_ctl_info *edac_dev,
unsigned long value)
void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev,
unsigned long value)
{
lock_device_list();
@ -450,7 +445,7 @@ int edac_device_add_device(struct edac_device_ctl_info *edac_dev, int edac_idx)
/* create this instance's sysfs entries */
if (edac_device_create_sysfs(edac_dev)) {
edac_device_printk(edac_dev, KERN_WARNING,
"failed to create sysfs device\n");
"failed to create sysfs device\n");
goto fail1;
}
@ -468,27 +463,27 @@ int edac_device_add_device(struct edac_device_ctl_info *edac_dev, int edac_idx)
edac_dev->op_state = OP_RUNNING_INTERRUPT;
}
/* Report action taken */
edac_device_printk(edac_dev, KERN_INFO,
"Giving out device to module '%s' controller '%s': DEV '%s' (%s)\n",
edac_dev->mod_name,
edac_dev->ctl_name,
dev_name(edac_dev),
edac_op_state_toString(edac_dev->op_state)
);
"Giving out device to module '%s' controller '%s': DEV '%s' (%s)\n",
edac_dev->mod_name,
edac_dev->ctl_name,
dev_name(edac_dev),
edac_op_state_toString(edac_dev->op_state)
);
unlock_device_list();
return 0;
fail1:
fail1:
/* Some error, so remove the entry from the lsit */
del_edac_device_from_global_list(edac_dev);
fail0:
fail0:
unlock_device_list();
return 1;
}
EXPORT_SYMBOL_GPL(edac_device_add_device);
/**
@ -504,7 +499,7 @@ EXPORT_SYMBOL_GPL(edac_device_add_device);
* Pointer to removed edac_device structure,
* OR NULL if device not found.
*/
struct edac_device_ctl_info * edac_device_del_device(struct device *dev)
struct edac_device_ctl_info *edac_device_del_device(struct device *dev)
{
struct edac_device_ctl_info *edac_dev;
@ -532,16 +527,14 @@ struct edac_device_ctl_info * edac_device_del_device(struct device *dev)
unlock_device_list();
edac_printk(KERN_INFO, EDAC_MC,
"Removed device %d for %s %s: DEV %s\n",
edac_dev->dev_idx,
edac_dev->mod_name,
edac_dev->ctl_name,
dev_name(edac_dev));
"Removed device %d for %s %s: DEV %s\n",
edac_dev->dev_idx,
edac_dev->mod_name, edac_dev->ctl_name, dev_name(edac_dev));
return edac_dev;
}
EXPORT_SYMBOL_GPL(edac_device_del_device);
EXPORT_SYMBOL_GPL(edac_device_del_device);
static inline int edac_device_get_log_ce(struct edac_device_ctl_info *edac_dev)
{
@ -553,8 +546,8 @@ static inline int edac_device_get_log_ue(struct edac_device_ctl_info *edac_dev)
return edac_dev->log_ue;
}
static inline int edac_device_get_panic_on_ue(
struct edac_device_ctl_info *edac_dev)
static inline int edac_device_get_panic_on_ue(struct edac_device_ctl_info
*edac_dev)
{
return edac_dev->panic_on_ue;
}
@ -564,15 +557,16 @@ static inline int edac_device_get_panic_on_ue(
* perform a common output and handling of an 'edac_dev' CE event
*/
void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg)
int inst_nr, int block_nr, const char *msg)
{
struct edac_device_instance *instance;
struct edac_device_block *block = NULL;
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: 'instance' out of range "
"(%d >= %d)\n", inst_nr, edac_dev->nr_instances);
"INTERNAL ERROR: 'instance' out of range "
"(%d >= %d)\n", inst_nr,
edac_dev->nr_instances);
return;
}
@ -580,8 +574,9 @@ void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: instance %d 'block' out of range "
"(%d >= %d)\n", inst_nr, block_nr, instance->nr_blocks);
"INTERNAL ERROR: instance %d 'block' out of range "
"(%d >= %d)\n", inst_nr, block_nr,
instance->nr_blocks);
return;
}
@ -596,10 +591,11 @@ void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
if (edac_device_get_log_ce(edac_dev))
edac_device_printk(edac_dev, KERN_WARNING,
"CE ctl: %s, instance: %s, block: %s: %s\n",
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
"CE ctl: %s, instance: %s, block: %s: %s\n",
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
}
EXPORT_SYMBOL_GPL(edac_device_handle_ce);
/*
@ -607,15 +603,16 @@ EXPORT_SYMBOL_GPL(edac_device_handle_ce);
* perform a common output and handling of an 'edac_dev' UE event
*/
void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg)
int inst_nr, int block_nr, const char *msg)
{
struct edac_device_instance *instance;
struct edac_device_block *block = NULL;
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: 'instance' out of range "
"(%d >= %d)\n", inst_nr, edac_dev->nr_instances);
"INTERNAL ERROR: 'instance' out of range "
"(%d >= %d)\n", inst_nr,
edac_dev->nr_instances);
return;
}
@ -623,8 +620,9 @@ void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
if ((block_nr >= instance->nr_blocks) || (block_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: instance %d 'block' out of range "
"(%d >= %d)\n", inst_nr, block_nr, instance->nr_blocks);
"INTERNAL ERROR: instance %d 'block' out of range "
"(%d >= %d)\n", inst_nr, block_nr,
instance->nr_blocks);
return;
}
@ -639,14 +637,14 @@ void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
if (edac_device_get_log_ue(edac_dev))
edac_device_printk(edac_dev, KERN_EMERG,
"UE ctl: %s, instance: %s, block: %s: %s\n",
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
"UE ctl: %s, instance: %s, block: %s: %s\n",
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
if (edac_device_get_panic_on_ue(edac_dev))
panic("EDAC %s: UE instance: %s, block %s: %s\n",
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
edac_dev->ctl_name, instance->name,
block ? block->name : "N/A", msg);
}
EXPORT_SYMBOL_GPL(edac_device_handle_ue);
EXPORT_SYMBOL_GPL(edac_device_handle_ue);

389
drivers/edac/edac_device_sysfs.c
View file

@ -16,7 +16,6 @@
#include "edac_core.h"
#include "edac_module.h"
#define EDAC_DEVICE_SYMLINK "device"
#define to_edacdev(k) container_of(k, struct edac_device_ctl_info, kobj)
@ -25,43 +24,41 @@
#ifdef DKT
static ssize_t edac_dev_ue_count_show(struct edac_device_ctl_info *edac_dev,
char *data)
char *data)
{
return sprintf(data,"%d\n", edac_dev->ue_count);
return sprintf(data, "%d\n", edac_dev->ue_count);
}
static ssize_t edac_dev_ce_count_show(struct edac_device_ctl_info *edac_dev,
char *data)
char *data)
{
return sprintf(data,"%d\n", edac_dev->ce_count);
return sprintf(data, "%d\n", edac_dev->ce_count);
}
static ssize_t edac_dev_seconds_show(struct edac_device_ctl_info *edac_dev,
char *data)
char *data)
{
return sprintf(data,"%ld\n", (jiffies - edac_dev->start_time) / HZ);
return sprintf(data, "%ld\n", (jiffies - edac_dev->start_time) / HZ);
}
static ssize_t edac_dev_ctl_name_show(struct edac_device_ctl_info *edac_dev,
char *data)
char *data)
{
return sprintf(data,"%s\n", edac_dev->ctl_name);
return sprintf(data, "%s\n", edac_dev->ctl_name);
}
struct edacdev_attribute {
struct attribute attr;
ssize_t (*show)(struct edac_device_ctl_info *,char *);
ssize_t (*store)(struct edac_device_ctl_info *, const char *,size_t);
ssize_t(*show) (struct edac_device_ctl_info *, char *);
ssize_t(*store) (struct edac_device_ctl_info *, const char *, size_t);
};
/* EDAC DEVICE show/store functions for top most object */
static ssize_t edacdev_show(struct kobject *kobj, struct attribute *attr,
char *buffer)
char *buffer)
{
struct edac_device_ctl_info *edac_dev = to_edacdev(kobj);
struct edacdev_attribute * edacdev_attr = to_edacdev_attr(attr);
struct edacdev_attribute *edacdev_attr = to_edacdev_attr(attr);
if (edacdev_attr->show)
return edacdev_attr->show(edac_dev, buffer);
@ -70,10 +67,10 @@ static ssize_t edacdev_show(struct kobject *kobj, struct attribute *attr,
}
static ssize_t edacdev_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
const char *buffer, size_t count)
{
struct edac_device_ctl_info *edac_dev = to_edacdev(kobj);
struct edacdev_attribute * edacdev_attr = to_edacdev_attr(attr);
struct edacdev_attribute *edacdev_attr = to_edacdev_attr(attr);
if (edacdev_attr->store)
return edacdev_attr->store(edac_dev, buffer, count);
@ -94,14 +91,13 @@ static struct edacdev_attribute edac_dev_attr_##_name = { \
};
/* default Control file */
EDACDEV_ATTR(reset_counters,S_IWUSR,NULL,edac_dev_reset_counters_store);
EDACDEV_ATTR(reset_counters, S_IWUSR, NULL, edac_dev_reset_counters_store);
/* default Attribute files */
EDACDEV_ATTR(mc_name,S_IRUGO,edac_dev_ctl_name_show,NULL);
EDACDEV_ATTR(seconds_since_reset,S_IRUGO,edac_dev_seconds_show,NULL);
EDACDEV_ATTR(ue_count,S_IRUGO,edac_dev_ue_count_show,NULL);
EDACDEV_ATTR(ce_count,S_IRUGO,edac_dev_ce_count_show,NULL);
EDACDEV_ATTR(mc_name, S_IRUGO, edac_dev_ctl_name_show, NULL);
EDACDEV_ATTR(seconds_since_reset, S_IRUGO, edac_dev_seconds_show, NULL);
EDACDEV_ATTR(ue_count, S_IRUGO, edac_dev_ue_count_show, NULL);
EDACDEV_ATTR(ce_count, S_IRUGO, edac_dev_ce_count_show, NULL);
static struct edacdev_attribute *edacdev_attr[] = {
&edacdev_attr_reset_counters,
@ -127,7 +123,7 @@ static void edac_dev_instance_release(struct kobject *kobj)
static struct kobj_type ktype_device = {
.release = edac_dev_instance_release,
.sysfs_ops = &edacdev_ops,
.default_attrs = (struct attribute **) edacdev_attr,
.default_attrs = (struct attribute **)edacdev_attr,
};
#endif
@ -139,67 +135,66 @@ static struct kobj_type ktype_device = {
*/
/* 'log_ue' */
static ssize_t edac_device_ctl_log_ue_show(
struct edac_device_ctl_info *ctl_info, char *data)
static ssize_t edac_device_ctl_log_ue_show(struct edac_device_ctl_info
*ctl_info, char *data)
{
return sprintf(data,"%u\n", ctl_info->log_ue);
return sprintf(data, "%u\n", ctl_info->log_ue);
}
static ssize_t edac_device_ctl_log_ue_store(
struct edac_device_ctl_info *ctl_info,
const char *data,size_t count)
static ssize_t edac_device_ctl_log_ue_store(struct edac_device_ctl_info
*ctl_info, const char *data,
size_t count)
{
/* if parameter is zero, turn off flag, if non-zero turn on flag */
ctl_info->log_ue = (simple_strtoul(data,NULL,0) != 0);
ctl_info->log_ue = (simple_strtoul(data, NULL, 0) != 0);
return count;
return count;
}
/* 'log_ce' */
static ssize_t edac_device_ctl_log_ce_show(
struct edac_device_ctl_info *ctl_info,char *data)
static ssize_t edac_device_ctl_log_ce_show(struct edac_device_ctl_info
*ctl_info, char *data)
{
return sprintf(data,"%u\n", ctl_info->log_ce);
return sprintf(data, "%u\n", ctl_info->log_ce);
}
static ssize_t edac_device_ctl_log_ce_store(
struct edac_device_ctl_info *ctl_info,
const char *data,size_t count)
static ssize_t edac_device_ctl_log_ce_store(struct edac_device_ctl_info
*ctl_info, const char *data,
size_t count)
{
/* if parameter is zero, turn off flag, if non-zero turn on flag */
ctl_info->log_ce = (simple_strtoul(data,NULL,0) != 0);
ctl_info->log_ce = (simple_strtoul(data, NULL, 0) != 0);
return count;
return count;
}
/* 'panic_on_ue' */
static ssize_t edac_device_ctl_panic_on_ue_show(
struct edac_device_ctl_info *ctl_info, char *data)
static ssize_t edac_device_ctl_panic_on_ue_show(struct edac_device_ctl_info
*ctl_info, char *data)
{
return sprintf(data,"%u\n", ctl_info->panic_on_ue);
return sprintf(data, "%u\n", ctl_info->panic_on_ue);
}
static ssize_t edac_device_ctl_panic_on_ue_store(
struct edac_device_ctl_info *ctl_info,
const char *data,size_t count)
static ssize_t edac_device_ctl_panic_on_ue_store(struct edac_device_ctl_info
*ctl_info, const char *data,
size_t count)
{
/* if parameter is zero, turn off flag, if non-zero turn on flag */
ctl_info->panic_on_ue = (simple_strtoul(data,NULL,0) != 0);
ctl_info->panic_on_ue = (simple_strtoul(data, NULL, 0) != 0);
return count;
}
/* 'poll_msec' show and store functions*/
static ssize_t edac_device_ctl_poll_msec_show(
struct edac_device_ctl_info *ctl_info, char *data)
static ssize_t edac_device_ctl_poll_msec_show(struct edac_device_ctl_info
*ctl_info, char *data)
{
return sprintf(data,"%u\n", ctl_info->poll_msec);
return sprintf(data, "%u\n", ctl_info->poll_msec);
}
static ssize_t edac_device_ctl_poll_msec_store(
struct edac_device_ctl_info *ctl_info,
const char *data,size_t count)
static ssize_t edac_device_ctl_poll_msec_store(struct edac_device_ctl_info
*ctl_info, const char *data,
size_t count)
{
unsigned long value;
@ -208,18 +203,17 @@ static ssize_t edac_device_ctl_poll_msec_store(
* Then cancel last outstanding delay for the work request
* and set a new one.
*/
value = simple_strtoul(data,NULL,0);
edac_device_reset_delay_period(ctl_info,value);
value = simple_strtoul(data, NULL, 0);
edac_device_reset_delay_period(ctl_info, value);
return count;
return count;
}
/* edac_device_ctl_info specific attribute structure */
struct ctl_info_attribute {
struct attribute attr;
ssize_t (*show)(struct edac_device_ctl_info *,char *);
ssize_t (*store)(struct edac_device_ctl_info *,const char *,size_t);
struct attribute attr;
ssize_t(*show) (struct edac_device_ctl_info *, char *);
ssize_t(*store) (struct edac_device_ctl_info *, const char *, size_t);
};
#define to_ctl_info(k) container_of(k, struct edac_device_ctl_info, kobj)
@ -227,34 +221,33 @@ struct ctl_info_attribute {
/* Function to 'show' fields from the edac_dev 'ctl_info' structure */
static ssize_t edac_dev_ctl_info_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
struct attribute *attr, char *buffer)
{
struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
if (ctl_info_attr->show)
return ctl_info_attr->show(edac_dev,buffer);
return -EIO;
if (ctl_info_attr->show)
return ctl_info_attr->show(edac_dev, buffer);
return -EIO;
}
/* Function to 'store' fields into the edac_dev 'ctl_info' structure */
static ssize_t edac_dev_ctl_info_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer, size_t count)
struct attribute *attr,
const char *buffer, size_t count)
{
struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
struct edac_device_ctl_info *edac_dev = to_ctl_info(kobj);
struct ctl_info_attribute *ctl_info_attr = to_ctl_info_attr(attr);
if (ctl_info_attr->store)
return ctl_info_attr->store(edac_dev, buffer, count);
return -EIO;
if (ctl_info_attr->store)
return ctl_info_attr->store(edac_dev, buffer, count);
return -EIO;
}
/* edac_dev file operations for an 'ctl_info' */
static struct sysfs_ops device_ctl_info_ops = {
.show = edac_dev_ctl_info_show,
.store = edac_dev_ctl_info_store
.show = edac_dev_ctl_info_show,
.store = edac_dev_ctl_info_store
};
#define CTL_INFO_ATTR(_name,_mode,_show,_store) \
@ -264,21 +257,16 @@ static struct ctl_info_attribute attr_ctl_info_##_name = { \
.store = _store, \
};
/* Declare the various ctl_info attributes here and their respective ops */
CTL_INFO_ATTR(log_ue,S_IRUGO|S_IWUSR,
edac_device_ctl_log_ue_show,
edac_device_ctl_log_ue_store);
CTL_INFO_ATTR(log_ce,S_IRUGO|S_IWUSR,
edac_device_ctl_log_ce_show,
edac_device_ctl_log_ce_store);
CTL_INFO_ATTR(panic_on_ue,S_IRUGO|S_IWUSR,
edac_device_ctl_panic_on_ue_show,
edac_device_ctl_panic_on_ue_store);
CTL_INFO_ATTR(poll_msec,S_IRUGO|S_IWUSR,
edac_device_ctl_poll_msec_show,
edac_device_ctl_poll_msec_store);
CTL_INFO_ATTR(log_ue, S_IRUGO | S_IWUSR,
edac_device_ctl_log_ue_show, edac_device_ctl_log_ue_store);
CTL_INFO_ATTR(log_ce, S_IRUGO | S_IWUSR,
edac_device_ctl_log_ce_show, edac_device_ctl_log_ce_store);
CTL_INFO_ATTR(panic_on_ue, S_IRUGO | S_IWUSR,
edac_device_ctl_panic_on_ue_show,
edac_device_ctl_panic_on_ue_store);
CTL_INFO_ATTR(poll_msec, S_IRUGO | S_IWUSR,
edac_device_ctl_poll_msec_show, edac_device_ctl_poll_msec_store);
/* Base Attributes of the EDAC_DEVICE ECC object */
static struct ctl_info_attribute *device_ctrl_attr[] = {
@ -303,10 +291,9 @@ static void edac_device_ctrl_master_release(struct kobject *kobj)
static struct kobj_type ktype_device_ctrl = {
.release = edac_device_ctrl_master_release,
.sysfs_ops = &device_ctl_info_ops,
.default_attrs = (struct attribute **) device_ctrl_attr,
.default_attrs = (struct attribute **)device_ctrl_attr,
};
/**************** edac_device main kobj ctor/dtor code *********************/
/*
@ -317,41 +304,39 @@ static struct kobj_type ktype_device_ctrl = {
* Return: 0 SUCCESS
* !0 FAILURE
*/
static int edac_device_register_main_kobj(
struct edac_device_ctl_info *edac_dev)
static int edac_device_register_main_kobj(struct edac_device_ctl_info *edac_dev)
{
int err = 0;
struct sysdev_class *edac_class;
debugf1("%s()\n", __func__);
/* get the /sys/devices/system/edac reference */
edac_class = edac_get_edac_class();
if (edac_class == NULL) {
debugf1("%s() no edac_class error=%d\n", __func__, err);
return err;
}
/* get the /sys/devices/system/edac reference */
edac_class = edac_get_edac_class();
if (edac_class == NULL) {
debugf1("%s() no edac_class error=%d\n", __func__, err);
return err;
}
/* Point to the 'edac_class' this instance 'reports' to */
edac_dev->edac_class = edac_class;
/* Init the devices's kobject */
memset(&edac_dev->kobj, 0, sizeof (struct kobject));
memset(&edac_dev->kobj, 0, sizeof(struct kobject));
edac_dev->kobj.ktype = &ktype_device_ctrl;
/* set this new device under the edac_class kobject */
edac_dev->kobj.parent = &edac_class->kset.kobj;
/* generate sysfs "..../edac/<name>" */
debugf1("%s() set name of kobject to: %s\n",
__func__, edac_dev->name);
err = kobject_set_name(&edac_dev->kobj,"%s",edac_dev->name);
debugf1("%s() set name of kobject to: %s\n", __func__, edac_dev->name);
err = kobject_set_name(&edac_dev->kobj, "%s", edac_dev->name);
if (err)
return err;
err = kobject_register(&edac_dev->kobj);
if (err) {
debugf1("%s()Failed to register '.../edac/%s'\n",
__func__,edac_dev->name);
__func__, edac_dev->name);
return err;
}
@ -365,8 +350,8 @@ static int edac_device_register_main_kobj(
* edac_device_unregister_main_kobj:
* the '..../edac/<name>' kobject
*/
static void edac_device_unregister_main_kobj(
struct edac_device_ctl_info *edac_dev)
static void edac_device_unregister_main_kobj(struct edac_device_ctl_info
*edac_dev)
{
debugf0("%s()\n", __func__);
debugf1("%s() name of kobject is: %s\n",
@ -382,26 +367,23 @@ static void edac_device_unregister_main_kobj(
wait_for_completion(&edac_dev->kobj_complete);
}
/*************** edac_dev -> instance information ***********/
/*
* Set of low-level instance attribute show functions
*/
static ssize_t instance_ue_count_show(
struct edac_device_instance *instance, char *data)
static ssize_t instance_ue_count_show(struct edac_device_instance *instance,
char *data)
{
return sprintf(data,"%u\n", instance->counters.ue_count);
return sprintf(data, "%u\n", instance->counters.ue_count);
}
static ssize_t instance_ce_count_show(
struct edac_device_instance *instance, char *data)
static ssize_t instance_ce_count_show(struct edac_device_instance *instance,
char *data)
{
return sprintf(data,"%u\n", instance->counters.ce_count);
return sprintf(data, "%u\n", instance->counters.ce_count);
}
#define to_instance(k) container_of(k, struct edac_device_instance, kobj)
#define to_instance_attr(a) container_of(a,struct instance_attribute,attr)
@ -416,48 +398,42 @@ static void edac_device_ctrl_instance_release(struct kobject *kobj)
complete(&instance->kobj_complete);
}
/* instance specific attribute structure */
struct instance_attribute {
struct attribute attr;
ssize_t (*show)(struct edac_device_instance *,char *);
ssize_t (*store)(struct edac_device_instance *,const char *,size_t);
struct attribute attr;
ssize_t(*show) (struct edac_device_instance *, char *);
ssize_t(*store) (struct edac_device_instance *, const char *, size_t);
};
/* Function to 'show' fields from the edac_dev 'instance' structure */
static ssize_t edac_dev_instance_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
struct attribute *attr, char *buffer)
{
struct edac_device_instance *instance = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
struct edac_device_instance *instance = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
if (instance_attr->show)
return instance_attr->show(instance,buffer);
return -EIO;
if (instance_attr->show)
return instance_attr->show(instance, buffer);
return -EIO;
}
/* Function to 'store' fields into the edac_dev 'instance' structure */
static ssize_t edac_dev_instance_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer, size_t count)
struct attribute *attr,
const char *buffer, size_t count)
{
struct edac_device_instance *instance = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
struct edac_device_instance *instance = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
if (instance_attr->store)
return instance_attr->store(instance, buffer, count);
return -EIO;
if (instance_attr->store)
return instance_attr->store(instance, buffer, count);
return -EIO;
}
/* edac_dev file operations for an 'instance' */
static struct sysfs_ops device_instance_ops = {
.show = edac_dev_instance_show,
.store = edac_dev_instance_store
.show = edac_dev_instance_show,
.store = edac_dev_instance_store
};
#define INSTANCE_ATTR(_name,_mode,_show,_store) \
@ -472,8 +448,8 @@ static struct instance_attribute attr_instance_##_name = { \
* Each contains a pointer to a show and an optional set
* function pointer that does the low level output/input
*/
INSTANCE_ATTR(ce_count,S_IRUGO,instance_ce_count_show,NULL);
INSTANCE_ATTR(ue_count,S_IRUGO,instance_ue_count_show,NULL);
INSTANCE_ATTR(ce_count, S_IRUGO, instance_ce_count_show, NULL);
INSTANCE_ATTR(ue_count, S_IRUGO, instance_ue_count_show, NULL);
/* list of edac_dev 'instance' attributes */
static struct instance_attribute *device_instance_attr[] = {
@ -486,29 +462,24 @@ static struct instance_attribute *device_instance_attr[] = {
static struct kobj_type ktype_instance_ctrl = {
.release = edac_device_ctrl_instance_release,
.sysfs_ops = &device_instance_ops,
.default_attrs = (struct attribute **) device_instance_attr,
.default_attrs = (struct attribute **)device_instance_attr,
};
/*************** edac_dev -> instance -> block information *********/
/*
* Set of low-level block attribute show functions
*/
static ssize_t block_ue_count_show(
struct edac_device_block *block, char *data)
static ssize_t block_ue_count_show(struct edac_device_block *block, char *data)
{
return sprintf(data,"%u\n", block->counters.ue_count);
return sprintf(data, "%u\n", block->counters.ue_count);
}
static ssize_t block_ce_count_show(
struct edac_device_block *block, char *data)
static ssize_t block_ce_count_show(struct edac_device_block *block, char *data)
{
return sprintf(data,"%u\n", block->counters.ce_count);
return sprintf(data, "%u\n", block->counters.ce_count);
}
#define to_block(k) container_of(k, struct edac_device_block, kobj)
#define to_block_attr(a) container_of(a,struct block_attribute,attr)
@ -525,46 +496,42 @@ static void edac_device_ctrl_block_release(struct kobject *kobj)
/* block specific attribute structure */
struct block_attribute {
struct attribute attr;
ssize_t (*show)(struct edac_device_block *,char *);
ssize_t (*store)(struct edac_device_block *,const char *,size_t);
struct attribute attr;
ssize_t(*show) (struct edac_device_block *, char *);
ssize_t(*store) (struct edac_device_block *, const char *, size_t);
};
/* Function to 'show' fields from the edac_dev 'block' structure */
static ssize_t edac_dev_block_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
struct attribute *attr, char *buffer)
{
struct edac_device_block *block = to_block(kobj);
struct block_attribute *block_attr = to_block_attr(attr);
struct edac_device_block *block = to_block(kobj);
struct block_attribute *block_attr = to_block_attr(attr);
if (block_attr->show)
return block_attr->show(block,buffer);
return -EIO;
if (block_attr->show)
return block_attr->show(block, buffer);
return -EIO;
}
/* Function to 'store' fields into the edac_dev 'block' structure */
static ssize_t edac_dev_block_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer, size_t count)
struct attribute *attr,
const char *buffer, size_t count)
{
struct edac_device_block *block = to_block(kobj);
struct block_attribute *block_attr = to_block_attr(attr);
struct edac_device_block *block = to_block(kobj);
struct block_attribute *block_attr = to_block_attr(attr);
if (block_attr->store)
return block_attr->store(block, buffer, count);
return -EIO;
if (block_attr->store)
return block_attr->store(block, buffer, count);
return -EIO;
}
/* edac_dev file operations for a 'block' */
static struct sysfs_ops device_block_ops = {
.show = edac_dev_block_show,
.store = edac_dev_block_store
.show = edac_dev_block_show,
.store = edac_dev_block_store
};
#define BLOCK_ATTR(_name,_mode,_show,_store) \
static struct block_attribute attr_block_##_name = { \
.attr = {.name = __stringify(_name), .mode = _mode }, \
@ -572,9 +539,8 @@ static struct block_attribute attr_block_##_name = { \
.store = _store, \
};
BLOCK_ATTR(ce_count,S_IRUGO,block_ce_count_show,NULL);
BLOCK_ATTR(ue_count,S_IRUGO,block_ue_count_show,NULL);
BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show, NULL);
BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show, NULL);
/* list of edac_dev 'block' attributes */
static struct block_attribute *device_block_attr[] = {
@ -587,19 +553,17 @@ static struct block_attribute *device_block_attr[] = {
static struct kobj_type ktype_block_ctrl = {
.release = edac_device_ctrl_block_release,
.sysfs_ops = &device_block_ops,
.default_attrs = (struct attribute **) device_block_attr,
.default_attrs = (struct attribute **)device_block_attr,
};
/************** block ctor/dtor code ************/
/*
* edac_device_create_block
*/
static int edac_device_create_block(
struct edac_device_ctl_info *edac_dev,
struct edac_device_instance *instance,
int idx)
static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
struct edac_device_instance *instance,
int idx)
{
int err;
struct edac_device_block *block;
@ -607,21 +571,21 @@ static int edac_device_create_block(
block = &instance->blocks[idx];
debugf1("%s() Instance '%s' block[%d] '%s'\n",
__func__,instance->name, idx, block->name);
__func__, instance->name, idx, block->name);
/* init this block's kobject */
memset(&block->kobj, 0, sizeof (struct kobject));
memset(&block->kobj, 0, sizeof(struct kobject));
block->kobj.parent = &instance->kobj;
block->kobj.ktype = &ktype_block_ctrl;
err = kobject_set_name(&block->kobj,"%s",block->name);
err = kobject_set_name(&block->kobj, "%s", block->name);
if (err)
return err;
err = kobject_register(&block->kobj);
if (err) {
debugf1("%s()Failed to register instance '%s'\n",
__func__,block->name);
__func__, block->name);
return err;
}
@ -631,10 +595,9 @@ static int edac_device_create_block(
/*
* edac_device_delete_block(edac_dev,j);
*/
static void edac_device_delete_block(
struct edac_device_ctl_info *edac_dev,
struct edac_device_instance *instance,
int idx)
static void edac_device_delete_block(struct edac_device_ctl_info *edac_dev,
struct edac_device_instance *instance,
int idx)
{
struct edac_device_block *block;
@ -652,8 +615,8 @@ static void edac_device_delete_block(
* edac_device_create_instance
* create just one instance of an edac_device 'instance'
*/
static int edac_device_create_instance(
struct edac_device_ctl_info *edac_dev, int idx)
static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
int idx)
{
int i, j;
int err;
@ -662,32 +625,32 @@ static int edac_device_create_instance(
instance = &edac_dev->instances[idx];
/* Init the instance's kobject */
memset(&instance->kobj, 0, sizeof (struct kobject));
memset(&instance->kobj, 0, sizeof(struct kobject));
/* set this new device under the edac_device main kobject */
instance->kobj.parent = &edac_dev->kobj;
instance->kobj.ktype = &ktype_instance_ctrl;
err = kobject_set_name(&instance->kobj,"%s",instance->name);
err = kobject_set_name(&instance->kobj, "%s", instance->name);
if (err)
return err;
err = kobject_register(&instance->kobj);
if (err != 0) {
debugf2("%s() Failed to register instance '%s'\n",
__func__,instance->name);
__func__, instance->name);
return err;
}
debugf1("%s() now register '%d' blocks for instance %d\n",
__func__,instance->nr_blocks,idx);
__func__, instance->nr_blocks, idx);
/* register all blocks of this instance */
for (i = 0; i < instance->nr_blocks; i++ ) {
err = edac_device_create_block(edac_dev,instance,i);
for (i = 0; i < instance->nr_blocks; i++) {
err = edac_device_create_block(edac_dev, instance, i);
if (err) {
for (j = 0; j < i; j++) {
edac_device_delete_block(edac_dev,instance,j);
edac_device_delete_block(edac_dev, instance, j);
}
return err;
}
@ -703,8 +666,8 @@ static int edac_device_create_instance(
* edac_device_remove_instance
* remove an edac_device instance
*/
static void edac_device_delete_instance(
struct edac_device_ctl_info *edac_dev, int idx)
static void edac_device_delete_instance(struct edac_device_ctl_info *edac_dev,
int idx)
{
int i;
struct edac_device_instance *instance;
@ -713,7 +676,7 @@ static void edac_device_delete_instance(
/* unregister all blocks in this instance */
for (i = 0; i < instance->nr_blocks; i++) {
edac_device_delete_block(edac_dev,instance,i);
edac_device_delete_block(edac_dev, instance, i);
}
/* unregister this instance's kobject */
@ -735,12 +698,12 @@ static int edac_device_create_instances(struct edac_device_ctl_info *edac_dev)
debugf0("%s()\n", __func__);
/* iterate over creation of the instances */
for (i = 0; i < edac_dev->nr_instances; i++ ) {
err = edac_device_create_instance(edac_dev,i);
for (i = 0; i < edac_dev->nr_instances; i++) {
err = edac_device_create_instance(edac_dev, i);
if (err) {
/* unwind previous instances on error */
for (j = 0; j < i; j++) {
edac_device_delete_instance(edac_dev,j);
edac_device_delete_instance(edac_dev, j);
}
return err;
}
@ -758,8 +721,8 @@ static void edac_device_delete_instances(struct edac_device_ctl_info *edac_dev)
int i;
/* iterate over creation of the instances */
for (i = 0; i < edac_dev->nr_instances; i++ ) {
edac_device_delete_instance(edac_dev,i);
for (i = 0; i < edac_dev->nr_instances; i++) {
edac_device_delete_instance(edac_dev, i);
}
}
@ -777,7 +740,7 @@ static void edac_device_delete_instances(struct edac_device_ctl_info *edac_dev)
int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev)
{
int err;
struct kobject *edac_kobj=&edac_dev->kobj;
struct kobject *edac_kobj = &edac_dev->kobj;
/* register this instance's main kobj with the edac class kobj */
err = edac_device_register_main_kobj(edac_dev);
@ -790,8 +753,7 @@ int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev)
* to the platform 'device' being used for this
*/
err = sysfs_create_link(edac_kobj,
&edac_dev->dev->kobj,
EDAC_DEVICE_SYMLINK);
&edac_dev->dev->kobj, EDAC_DEVICE_SYMLINK);
if (err) {
debugf0("%s() sysfs_create_link() returned err= %d\n",
__func__, err);
@ -811,7 +773,7 @@ int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev)
/* Error unwind stack */
error0:
error0:
edac_device_unregister_main_kobj(edac_dev);
return err;
@ -834,4 +796,3 @@ void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev)
/* unregister the instance's main kobj */
edac_device_unregister_main_kobj(edac_dev);
}

202
drivers/edac/edac_mc.c
View file

@ -34,7 +34,6 @@
#include "edac_core.h"
#include "edac_module.h"
/* lock to memory controller's control array */
static DEFINE_MUTEX(mem_ctls_mutex);
static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices);
@ -54,13 +53,11 @@ static void edac_mc_dump_csrow(struct csrow_info *csrow)
{
debugf4("\tcsrow = %p\n", csrow);
debugf4("\tcsrow->csrow_idx = %d\n", csrow->csrow_idx);
debugf4("\tcsrow->first_page = 0x%lx\n",
csrow->first_page);
debugf4("\tcsrow->first_page = 0x%lx\n", csrow->first_page);
debugf4("\tcsrow->last_page = 0x%lx\n", csrow->last_page);
debugf4("\tcsrow->page_mask = 0x%lx\n", csrow->page_mask);
debugf4("\tcsrow->nr_pages = 0x%x\n", csrow->nr_pages);
debugf4("\tcsrow->nr_channels = %d\n",
csrow->nr_channels);
debugf4("\tcsrow->nr_channels = %d\n", csrow->nr_channels);
debugf4("\tcsrow->channels = %p\n", csrow->channels);
debugf4("\tcsrow->mci = %p\n\n", csrow->mci);
}
@ -75,12 +72,11 @@ static void edac_mc_dump_mci(struct mem_ctl_info *mci)
debugf3("\tmci->nr_csrows = %d, csrows = %p\n",
mci->nr_csrows, mci->csrows);
debugf3("\tdev = %p\n", mci->dev);
debugf3("\tmod_name:ctl_name = %s:%s\n",
mci->mod_name, mci->ctl_name);
debugf3("\tmod_name:ctl_name = %s:%s\n", mci->mod_name, mci->ctl_name);
debugf3("\tpvt_info = %p\n\n", mci->pvt_info);
}
#endif /* CONFIG_EDAC_DEBUG */
#endif /* CONFIG_EDAC_DEBUG */
/* 'ptr' points to a possibly unaligned item X such that sizeof(X) is 'size'.
* Adjust 'ptr' so that its alignment is at least as stringent as what the
@ -89,7 +85,7 @@ static void edac_mc_dump_mci(struct mem_ctl_info *mci)
* If 'size' is a constant, the compiler will optimize this whole function
* down to either a no-op or the addition of a constant to the value of 'ptr'.
*/
char * edac_align_ptr(void *ptr, unsigned size)
char *edac_align_ptr(void *ptr, unsigned size)
{
unsigned align, r;
@ -106,14 +102,14 @@ char * edac_align_ptr(void *ptr, unsigned size)
else if (size > sizeof(char))
align = sizeof(short);
else
return (char *) ptr;
return (char *)ptr;
r = size % align;
if (r == 0)
return (char *) ptr;
return (char *)ptr;
return (char *) (((unsigned long) ptr) + align - r);
return (char *)(((unsigned long)ptr) + align - r);
}
/**
@ -133,7 +129,7 @@ char * edac_align_ptr(void *ptr, unsigned size)
* struct mem_ctl_info pointer
*/
struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
unsigned nr_chans)
unsigned nr_chans)
{
struct mem_ctl_info *mci;
struct csrow_info *csi, *csrow;
@ -147,12 +143,12 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
* stringent as what the compiler would provide if we could simply
* hardcode everything into a single struct.
*/
mci = (struct mem_ctl_info *) 0;
mci = (struct mem_ctl_info *)0;
csi = (struct csrow_info *)edac_align_ptr(&mci[1], sizeof(*csi));
chi = (struct channel_info *)
edac_align_ptr(&csi[nr_csrows], sizeof(*chi));
edac_align_ptr(&csi[nr_csrows], sizeof(*chi));
pvt = edac_align_ptr(&chi[nr_chans * nr_csrows], sz_pvt);
size = ((unsigned long) pvt) + sz_pvt;
size = ((unsigned long)pvt) + sz_pvt;
if ((mci = kmalloc(size, GFP_KERNEL)) == NULL)
return NULL;
@ -160,11 +156,11 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
/* Adjust pointers so they point within the memory we just allocated
* rather than an imaginary chunk of memory located at address 0.
*/
csi = (struct csrow_info *) (((char *) mci) + ((unsigned long) csi));
chi = (struct channel_info *) (((char *) mci) + ((unsigned long) chi));
pvt = sz_pvt ? (((char *) mci) + ((unsigned long) pvt)) : NULL;
csi = (struct csrow_info *)(((char *)mci) + ((unsigned long)csi));
chi = (struct channel_info *)(((char *)mci) + ((unsigned long)chi));
pvt = sz_pvt ? (((char *)mci) + ((unsigned long)pvt)) : NULL;
memset(mci, 0, size); /* clear all fields */
memset(mci, 0, size); /* clear all fields */
mci->csrows = csi;
mci->pvt_info = pvt;
mci->nr_csrows = nr_csrows;
@ -188,6 +184,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
return mci;
}
EXPORT_SYMBOL_GPL(edac_mc_alloc);
/**
@ -198,6 +195,7 @@ void edac_mc_free(struct mem_ctl_info *mci)
{
kfree(mci);
}
EXPORT_SYMBOL_GPL(edac_mc_free);
static struct mem_ctl_info *find_mci_by_dev(struct device *dev)
@ -224,7 +222,7 @@ static int edac_mc_assert_error_check_and_clear(void)
{
int old_state;
if(edac_op_state == EDAC_OPSTATE_POLL)
if (edac_op_state == EDAC_OPSTATE_POLL)
return 1;
old_state = edac_err_assert;
@ -240,12 +238,12 @@ static int edac_mc_assert_error_check_and_clear(void)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
static void edac_mc_workq_function(struct work_struct *work_req)
{
struct delayed_work *d_work = (struct delayed_work*) work_req;
struct delayed_work *d_work = (struct delayed_work *)work_req;
struct mem_ctl_info *mci = to_edac_mem_ctl_work(d_work);
#else
static void edac_mc_workq_function(void *ptr)
{
struct mem_ctl_info *mci = (struct mem_ctl_info *) ptr;
struct mem_ctl_info *mci = (struct mem_ctl_info *)ptr;
#endif
mutex_lock(&mem_ctls_mutex);
@ -264,7 +262,7 @@ static void edac_mc_workq_function(void *ptr)
/* Reschedule */
queue_delayed_work(edac_workqueue, &mci->work,
msecs_to_jiffies(edac_mc_get_poll_msec()));
msecs_to_jiffies(edac_mc_get_poll_msec()));
}
/*
@ -320,7 +318,7 @@ void edac_reset_delay_period(struct mem_ctl_info *mci, unsigned long value)
* Before calling this function, caller must
* assign a unique value to mci->mc_idx.
*/
static int add_mc_to_global_list (struct mem_ctl_info *mci)
static int add_mc_to_global_list(struct mem_ctl_info *mci)
{
struct list_head *item, *insert_before;
struct mem_ctl_info *p;
@ -346,13 +344,13 @@ static int add_mc_to_global_list (struct mem_ctl_info *mci)
atomic_inc(&edac_handlers);
return 0;
fail0:
fail0:
edac_printk(KERN_WARNING, EDAC_MC,
"%s (%s) %s %s already assigned %d\n", p->dev->bus_id,
dev_name(mci), p->mod_name, p->ctl_name, p->mc_idx);
return 1;
fail1:
fail1:
edac_printk(KERN_WARNING, EDAC_MC,
"bug in low-level driver: attempt to assign\n"
" duplicate mc_idx %d in %s()\n", p->mc_idx, __func__);
@ -385,7 +383,7 @@ static void del_mc_from_global_list(struct mem_ctl_info *mci)
*
* Caller must hold mem_ctls_mutex.
*/
struct mem_ctl_info * edac_mc_find(int idx)
struct mem_ctl_info *edac_mc_find(int idx)
{
struct list_head *item;
struct mem_ctl_info *mci;
@ -403,6 +401,7 @@ struct mem_ctl_info * edac_mc_find(int idx)
return NULL;
}
EXPORT_SYMBOL(edac_mc_find);
/**
@ -433,8 +432,8 @@ int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx)
edac_mc_dump_csrow(&mci->csrows[i]);
for (j = 0; j < mci->csrows[i].nr_channels; j++)
edac_mc_dump_channel(
&mci->csrows[i].channels[j]);
edac_mc_dump_channel(&mci->csrows[i].
channels[j]);
}
}
#endif
@ -448,7 +447,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx)
if (edac_create_sysfs_mci_device(mci)) {
edac_mc_printk(mci, KERN_WARNING,
"failed to create sysfs device\n");
"failed to create sysfs device\n");
goto fail1;
}
@ -464,18 +463,19 @@ int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx)
/* Report action taken */
edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV %s\n",
mci->mod_name, mci->ctl_name, dev_name(mci));
mci->mod_name, mci->ctl_name, dev_name(mci));
mutex_unlock(&mem_ctls_mutex);
return 0;
fail1:
fail1:
del_mc_from_global_list(mci);
fail0:
fail0:
mutex_unlock(&mem_ctls_mutex);
return 1;
}
EXPORT_SYMBOL_GPL(edac_mc_add_mc);
/**
@ -485,7 +485,7 @@ EXPORT_SYMBOL_GPL(edac_mc_add_mc);
*
* Return pointer to removed mci structure, or NULL if device not found.
*/
struct mem_ctl_info * edac_mc_del_mc(struct device *dev)
struct mem_ctl_info *edac_mc_del_mc(struct device *dev)
{
struct mem_ctl_info *mci;
@ -507,10 +507,11 @@ struct mem_ctl_info * edac_mc_del_mc(struct device *dev)
del_mc_from_global_list(mci);
mutex_unlock(&mem_ctls_mutex);
edac_printk(KERN_INFO, EDAC_MC,
"Removed device %d for %s %s: DEV %s\n", mci->mc_idx,
mci->mod_name, mci->ctl_name, dev_name(mci));
"Removed device %d for %s %s: DEV %s\n", mci->mc_idx,
mci->mod_name, mci->ctl_name, dev_name(mci));
return mci;
}
EXPORT_SYMBOL_GPL(edac_mc_del_mc);
static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
@ -523,7 +524,7 @@ static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
debugf3("%s()\n", __func__);
/* ECC error page was not in our memory. Ignore it. */
if(!pfn_valid(page))
if (!pfn_valid(page))
return;
/* Find the actual page structure then map it and fix */
@ -575,18 +576,20 @@ int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page)
if (row == -1)
edac_mc_printk(mci, KERN_ERR,
"could not look up page error address %lx\n",
(unsigned long) page);
"could not look up page error address %lx\n",
(unsigned long)page);
return row;
}
EXPORT_SYMBOL_GPL(edac_mc_find_csrow_by_page);
/* FIXME - setable log (warning/emerg) levels */
/* FIXME - integrate with evlog: http://evlog.sourceforge.net/ */
void edac_mc_handle_ce(struct mem_ctl_info *mci,
unsigned long page_frame_number, unsigned long offset_in_page,
unsigned long syndrome, int row, int channel, const char *msg)
unsigned long page_frame_number,
unsigned long offset_in_page, unsigned long syndrome,
int row, int channel, const char *msg)
{
unsigned long remapped_page;
@ -596,8 +599,8 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
if (row >= mci->nr_csrows || row < 0) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: row out of range "
"(%d >= %d)\n", row, mci->nr_csrows);
"INTERNAL ERROR: row out of range "
"(%d >= %d)\n", row, mci->nr_csrows);
edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
return;
}
@ -605,9 +608,9 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
if (channel >= mci->csrows[row].nr_channels || channel < 0) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: channel out of range "
"(%d >= %d)\n", channel,
mci->csrows[row].nr_channels);
"INTERNAL ERROR: channel out of range "
"(%d >= %d)\n", channel,
mci->csrows[row].nr_channels);
edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
return;
}
@ -615,11 +618,11 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
if (edac_mc_get_log_ce())
/* FIXME - put in DIMM location */
edac_mc_printk(mci, KERN_WARNING,
"CE page 0x%lx, offset 0x%lx, grain %d, syndrome "
"0x%lx, row %d, channel %d, label \"%s\": %s\n",
page_frame_number, offset_in_page,
mci->csrows[row].grain, syndrome, row, channel,
mci->csrows[row].channels[channel].label, msg);
"CE page 0x%lx, offset 0x%lx, grain %d, syndrome "
"0x%lx, row %d, channel %d, label \"%s\": %s\n",
page_frame_number, offset_in_page,
mci->csrows[row].grain, syndrome, row, channel,
mci->csrows[row].channels[channel].label, msg);
mci->ce_count++;
mci->csrows[row].ce_count++;
@ -640,25 +643,27 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
page_frame_number;
edac_mc_scrub_block(remapped_page, offset_in_page,
mci->csrows[row].grain);
mci->csrows[row].grain);
}
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ce);
void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg)
{
if (edac_mc_get_log_ce())
edac_mc_printk(mci, KERN_WARNING,
"CE - no information available: %s\n", msg);
"CE - no information available: %s\n", msg);
mci->ce_noinfo_count++;
mci->ce_count++;
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ce_no_info);
void edac_mc_handle_ue(struct mem_ctl_info *mci,
unsigned long page_frame_number, unsigned long offset_in_page,
int row, const char *msg)
unsigned long page_frame_number,
unsigned long offset_in_page, int row, const char *msg)
{
int len = EDAC_MC_LABEL_LEN * 4;
char labels[len + 1];
@ -672,41 +677,42 @@ void edac_mc_handle_ue(struct mem_ctl_info *mci,
if (row >= mci->nr_csrows || row < 0) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: row out of range "
"(%d >= %d)\n", row, mci->nr_csrows);
"INTERNAL ERROR: row out of range "
"(%d >= %d)\n", row, mci->nr_csrows);
edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
return;
}
chars = snprintf(pos, len + 1, "%s",
mci->csrows[row].channels[0].label);
mci->csrows[row].channels[0].label);
len -= chars;
pos += chars;
for (chan = 1; (chan < mci->csrows[row].nr_channels) && (len > 0);
chan++) {
chars = snprintf(pos, len + 1, ":%s",
mci->csrows[row].channels[chan].label);
mci->csrows[row].channels[chan].label);
len -= chars;
pos += chars;
}
if (edac_mc_get_log_ue())
edac_mc_printk(mci, KERN_EMERG,
"UE page 0x%lx, offset 0x%lx, grain %d, row %d, "
"labels \"%s\": %s\n", page_frame_number,
offset_in_page, mci->csrows[row].grain, row, labels,
msg);
"UE page 0x%lx, offset 0x%lx, grain %d, row %d, "
"labels \"%s\": %s\n", page_frame_number,
offset_in_page, mci->csrows[row].grain, row,
labels, msg);
if (edac_mc_get_panic_on_ue())
panic("EDAC MC%d: UE page 0x%lx, offset 0x%lx, grain %d, "
"row %d, labels \"%s\": %s\n", mci->mc_idx,
page_frame_number, offset_in_page,
mci->csrows[row].grain, row, labels, msg);
"row %d, labels \"%s\": %s\n", mci->mc_idx,
page_frame_number, offset_in_page,
mci->csrows[row].grain, row, labels, msg);
mci->ue_count++;
mci->csrows[row].ue_count++;
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ue);
void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
@ -716,22 +722,21 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
if (edac_mc_get_log_ue())
edac_mc_printk(mci, KERN_WARNING,
"UE - no information available: %s\n", msg);
"UE - no information available: %s\n", msg);
mci->ue_noinfo_count++;
mci->ue_count++;
}
EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
/*************************************************************
* On Fully Buffered DIMM modules, this help function is
* called to process UE events
*/
void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
unsigned int csrow,
unsigned int channela,
unsigned int channelb,
char *msg)
unsigned int csrow,
unsigned int channela,
unsigned int channelb, char *msg)
{
int len = EDAC_MC_LABEL_LEN * 4;
char labels[len + 1];
@ -741,8 +746,8 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
if (csrow >= mci->nr_csrows) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: row out of range (%d >= %d)\n",
csrow, mci->nr_csrows);
"INTERNAL ERROR: row out of range (%d >= %d)\n",
csrow, mci->nr_csrows);
edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
return;
}
@ -750,9 +755,9 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
if (channela >= mci->csrows[csrow].nr_channels) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: channel-a out of range "
"(%d >= %d)\n",
channela, mci->csrows[csrow].nr_channels);
"INTERNAL ERROR: channel-a out of range "
"(%d >= %d)\n",
channela, mci->csrows[csrow].nr_channels);
edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
return;
}
@ -760,9 +765,9 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
if (channelb >= mci->csrows[csrow].nr_channels) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: channel-b out of range "
"(%d >= %d)\n",
channelb, mci->csrows[csrow].nr_channels);
"INTERNAL ERROR: channel-b out of range "
"(%d >= %d)\n",
channelb, mci->csrows[csrow].nr_channels);
edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
return;
}
@ -773,21 +778,23 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
/* Generate the DIMM labels from the specified channels */
chars = snprintf(pos, len + 1, "%s",
mci->csrows[csrow].channels[channela].label);
len -= chars; pos += chars;
len -= chars;
pos += chars;
chars = snprintf(pos, len + 1, "-%s",
mci->csrows[csrow].channels[channelb].label);
if (edac_mc_get_log_ue())
edac_mc_printk(mci, KERN_EMERG,
"UE row %d, channel-a= %d channel-b= %d "
"labels \"%s\": %s\n", csrow, channela, channelb,
labels, msg);
"UE row %d, channel-a= %d channel-b= %d "
"labels \"%s\": %s\n", csrow, channela, channelb,
labels, msg);
if (edac_mc_get_panic_on_ue())
panic("UE row %d, channel-a= %d channel-b= %d "
"labels \"%s\": %s\n", csrow, channela,
channelb, labels, msg);
"labels \"%s\": %s\n", csrow, channela,
channelb, labels, msg);
}
EXPORT_SYMBOL(edac_mc_handle_fbd_ue);
/*************************************************************
@ -795,25 +802,23 @@ EXPORT_SYMBOL(edac_mc_handle_fbd_ue);
* called to process CE events
*/
void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci,
unsigned int csrow,
unsigned int channel,
char *msg)
unsigned int csrow, unsigned int channel, char *msg)
{
/* Ensure boundary values */
if (csrow >= mci->nr_csrows) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: row out of range (%d >= %d)\n",
csrow, mci->nr_csrows);
"INTERNAL ERROR: row out of range (%d >= %d)\n",
csrow, mci->nr_csrows);
edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
return;
}
if (channel >= mci->csrows[csrow].nr_channels) {
/* something is wrong */
edac_mc_printk(mci, KERN_ERR,
"INTERNAL ERROR: channel out of range (%d >= %d)\n",
channel, mci->csrows[csrow].nr_channels);
"INTERNAL ERROR: channel out of range (%d >= %d)\n",
channel, mci->csrows[csrow].nr_channels);
edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
return;
}
@ -821,17 +826,16 @@ void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci,
if (edac_mc_get_log_ce())
/* FIXME - put in DIMM location */
edac_mc_printk(mci, KERN_WARNING,
"CE row %d, channel %d, label \"%s\": %s\n",
csrow, channel,
mci->csrows[csrow].channels[channel].label,
msg);
"CE row %d, channel %d, label \"%s\": %s\n",
csrow, channel,
mci->csrows[csrow].channels[channel].label, msg);
mci->ce_count++;
mci->csrows[csrow].ce_count++;
mci->csrows[csrow].channels[channel].ce_count++;
}
EXPORT_SYMBOL(edac_mc_handle_fbd_ce);
EXPORT_SYMBOL(edac_mc_handle_fbd_ce);
/*
* Iterate over all MC instances and check for ECC, et al, errors

2
drivers/edac/edac_mc.h
View file

@ -1,9 +1,7 @@
/*
* Older .h file for edac, until all drivers are modified
*
*/
#include "edac_core.h"

336
drivers/edac/edac_mc_sysfs.c
View file

@ -48,14 +48,13 @@ module_param(edac_mc_panic_on_ue, int, 0644);
MODULE_PARM_DESC(edac_mc_panic_on_ue, "Panic on uncorrected error: 0=off 1=on");
module_param(edac_mc_log_ue, int, 0644);
MODULE_PARM_DESC(edac_mc_log_ue,
"Log uncorrectable error to console: 0=off 1=on");
"Log uncorrectable error to console: 0=off 1=on");
module_param(edac_mc_log_ce, int, 0644);
MODULE_PARM_DESC(edac_mc_log_ce,
"Log correctable error to console: 0=off 1=on");
"Log correctable error to console: 0=off 1=on");
module_param(edac_mc_poll_msec, int, 0644);
MODULE_PARM_DESC(edac_mc_poll_msec, "Polling period in milliseconds");
/*
* various constants for Memory Controllers
*/
@ -116,13 +115,13 @@ static struct completion edac_memctrl_kobj_complete;
*/
static ssize_t memctrl_int_show(void *ptr, char *buffer)
{
int *value = (int*) ptr;
int *value = (int *)ptr;
return sprintf(buffer, "%u\n", *value);
}
static ssize_t memctrl_int_store(void *ptr, const char *buffer, size_t count)
{
int *value = (int*) ptr;
int *value = (int *)ptr;
if (isdigit(*buffer))
*value = simple_strtoul(buffer, NULL, 0);
@ -133,16 +132,16 @@ static ssize_t memctrl_int_store(void *ptr, const char *buffer, size_t count)
struct memctrl_dev_attribute {
struct attribute attr;
void *value;
ssize_t (*show)(void *,char *);
ssize_t (*store)(void *, const char *, size_t);
ssize_t(*show) (void *, char *);
ssize_t(*store) (void *, const char *, size_t);
};
/* Set of show/store abstract level functions for memory control object */
static ssize_t memctrl_dev_show(struct kobject *kobj,
struct attribute *attr, char *buffer)
struct attribute *attr, char *buffer)
{
struct memctrl_dev_attribute *memctrl_dev;
memctrl_dev = (struct memctrl_dev_attribute*)attr;
memctrl_dev = (struct memctrl_dev_attribute *)attr;
if (memctrl_dev->show)
return memctrl_dev->show(memctrl_dev->value, buffer);
@ -151,10 +150,10 @@ static ssize_t memctrl_dev_show(struct kobject *kobj,
}
static ssize_t memctrl_dev_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
const char *buffer, size_t count)
{
struct memctrl_dev_attribute *memctrl_dev;
memctrl_dev = (struct memctrl_dev_attribute*)attr;
memctrl_dev = (struct memctrl_dev_attribute *)attr;
if (memctrl_dev->store)
return memctrl_dev->store(memctrl_dev->value, buffer, count);
@ -163,8 +162,8 @@ static ssize_t memctrl_dev_store(struct kobject *kobj, struct attribute *attr,
}
static struct sysfs_ops memctrlfs_ops = {
.show = memctrl_dev_show,
.store = memctrl_dev_store
.show = memctrl_dev_show,
.store = memctrl_dev_store
};
#define MEMCTRL_ATTR(_name,_mode,_show,_store) \
@ -185,24 +184,16 @@ static struct memctrl_dev_attribute attr_##_name = { \
/* csrow<id> control files */
MEMCTRL_ATTR(edac_mc_panic_on_ue,
S_IRUGO | S_IWUSR,
memctrl_int_show,
memctrl_int_store);
S_IRUGO | S_IWUSR, memctrl_int_show, memctrl_int_store);
MEMCTRL_ATTR(edac_mc_log_ue,
S_IRUGO|S_IWUSR,
memctrl_int_show,
memctrl_int_store);
S_IRUGO | S_IWUSR, memctrl_int_show, memctrl_int_store);
MEMCTRL_ATTR(edac_mc_log_ce,
S_IRUGO|S_IWUSR,
memctrl_int_show,
memctrl_int_store);
S_IRUGO | S_IWUSR, memctrl_int_show, memctrl_int_store);
MEMCTRL_ATTR(edac_mc_poll_msec,
S_IRUGO|S_IWUSR,
memctrl_int_show,
memctrl_int_store);
S_IRUGO | S_IWUSR, memctrl_int_show, memctrl_int_store);
/* Base Attributes of the memory ECC object */
static struct memctrl_dev_attribute *memctrl_attr[] = {
@ -223,7 +214,7 @@ static void edac_memctrl_master_release(struct kobject *kobj)
static struct kobj_type ktype_memctrl = {
.release = edac_memctrl_master_release,
.sysfs_ops = &memctrlfs_ops,
.default_attrs = (struct attribute **) memctrl_attr,
.default_attrs = (struct attribute **)memctrl_attr,
};
/* Initialize the main sysfs entries for edac:
@ -249,25 +240,25 @@ int edac_sysfs_memctrl_setup(void)
}
/* Init the MC's kobject */
memset(&edac_memctrl_kobj, 0, sizeof (edac_memctrl_kobj));
memset(&edac_memctrl_kobj, 0, sizeof(edac_memctrl_kobj));
edac_memctrl_kobj.parent = &edac_class->kset.kobj;
edac_memctrl_kobj.ktype = &ktype_memctrl;
/* generate sysfs "..../edac/mc" */
err = kobject_set_name(&edac_memctrl_kobj,"mc");
err = kobject_set_name(&edac_memctrl_kobj, "mc");
if (err) {
debugf1("%s() Failed to set name '.../edac/mc'\n", __func__ );
debugf1("%s() Failed to set name '.../edac/mc'\n", __func__);
return err;
}
/* FIXME: maybe new sysdev_create_subdir() */
err = kobject_register(&edac_memctrl_kobj);
if (err) {
debugf1("%s() Failed to register '.../edac/mc'\n", __func__ );
debugf1("%s() Failed to register '.../edac/mc'\n", __func__);
return err;
}
debugf1("%s() Registered '.../edac/mc' kobject\n",__func__);
debugf1("%s() Registered '.../edac/mc' kobject\n", __func__);
return 0;
}
@ -286,63 +277,61 @@ void edac_sysfs_memctrl_teardown(void)
wait_for_completion(&edac_memctrl_kobj_complete);
}
/* EDAC sysfs CSROW data structures and methods
*/
/* Set of more default csrow<id> attribute show/store functions */
static ssize_t csrow_ue_count_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%u\n", csrow->ue_count);
return sprintf(data, "%u\n", csrow->ue_count);
}
static ssize_t csrow_ce_count_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%u\n", csrow->ce_count);
return sprintf(data, "%u\n", csrow->ce_count);
}
static ssize_t csrow_size_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%u\n", PAGES_TO_MiB(csrow->nr_pages));
return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages));
}
static ssize_t csrow_mem_type_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%s\n", mem_types[csrow->mtype]);
return sprintf(data, "%s\n", mem_types[csrow->mtype]);
}
static ssize_t csrow_dev_type_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%s\n", dev_types[csrow->dtype]);
return sprintf(data, "%s\n", dev_types[csrow->dtype]);
}
static ssize_t csrow_edac_mode_show(struct csrow_info *csrow, char *data,
int private)
int private)
{
return sprintf(data,"%s\n", edac_caps[csrow->edac_mode]);
return sprintf(data, "%s\n", edac_caps[csrow->edac_mode]);
}
/* show/store functions for DIMM Label attributes */
static ssize_t channel_dimm_label_show(struct csrow_info *csrow,
char *data, int channel)
char *data, int channel)
{
return snprintf(data, EDAC_MC_LABEL_LEN,"%s",
return snprintf(data, EDAC_MC_LABEL_LEN, "%s",
csrow->channels[channel].label);
}
static ssize_t channel_dimm_label_store(struct csrow_info *csrow,
const char *data,
size_t count,
int channel)
const char *data,
size_t count, int channel)
{
ssize_t max_size = 0;
max_size = min((ssize_t)count,(ssize_t)EDAC_MC_LABEL_LEN-1);
max_size = min((ssize_t) count, (ssize_t) EDAC_MC_LABEL_LEN - 1);
strncpy(csrow->channels[channel].label, data, max_size);
csrow->channels[channel].label[max_size] = '\0';
@ -351,8 +340,7 @@ static ssize_t channel_dimm_label_store(struct csrow_info *csrow,
/* show function for dynamic chX_ce_count attribute */
static ssize_t channel_ce_count_show(struct csrow_info *csrow,
char *data,
int channel)
char *data, int channel)
{
return sprintf(data, "%u\n", csrow->channels[channel].ce_count);
}
@ -360,9 +348,9 @@ static ssize_t channel_ce_count_show(struct csrow_info *csrow,
/* csrow specific attribute structure */
struct csrowdev_attribute {
struct attribute attr;
ssize_t (*show)(struct csrow_info *,char *,int);
ssize_t (*store)(struct csrow_info *, const char *,size_t,int);
int private;
ssize_t(*show) (struct csrow_info *, char *, int);
ssize_t(*store) (struct csrow_info *, const char *, size_t, int);
int private;
};
#define to_csrow(k) container_of(k, struct csrow_info, kobj)
@ -370,36 +358,33 @@ struct csrowdev_attribute {
/* Set of show/store higher level functions for default csrow attributes */
static ssize_t csrowdev_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
struct attribute *attr, char *buffer)
{
struct csrow_info *csrow = to_csrow(kobj);
struct csrowdev_attribute *csrowdev_attr = to_csrowdev_attr(attr);
if (csrowdev_attr->show)
return csrowdev_attr->show(csrow,
buffer,
csrowdev_attr->private);
buffer, csrowdev_attr->private);
return -EIO;
}
static ssize_t csrowdev_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
const char *buffer, size_t count)
{
struct csrow_info *csrow = to_csrow(kobj);
struct csrowdev_attribute * csrowdev_attr = to_csrowdev_attr(attr);
struct csrowdev_attribute *csrowdev_attr = to_csrowdev_attr(attr);
if (csrowdev_attr->store)
return csrowdev_attr->store(csrow,
buffer,
count,
csrowdev_attr->private);
buffer,
count, csrowdev_attr->private);
return -EIO;
}
static struct sysfs_ops csrowfs_ops = {
.show = csrowdev_show,
.store = csrowdev_store
.show = csrowdev_show,
.store = csrowdev_store
};
#define CSROWDEV_ATTR(_name,_mode,_show,_store,_private) \
@ -411,12 +396,12 @@ static struct csrowdev_attribute attr_##_name = { \
};
/* default cwrow<id>/attribute files */
CSROWDEV_ATTR(size_mb,S_IRUGO,csrow_size_show,NULL,0);
CSROWDEV_ATTR(dev_type,S_IRUGO,csrow_dev_type_show,NULL,0);
CSROWDEV_ATTR(mem_type,S_IRUGO,csrow_mem_type_show,NULL,0);
CSROWDEV_ATTR(edac_mode,S_IRUGO,csrow_edac_mode_show,NULL,0);
CSROWDEV_ATTR(ue_count,S_IRUGO,csrow_ue_count_show,NULL,0);
CSROWDEV_ATTR(ce_count,S_IRUGO,csrow_ce_count_show,NULL,0);
CSROWDEV_ATTR(size_mb, S_IRUGO, csrow_size_show, NULL, 0);
CSROWDEV_ATTR(dev_type, S_IRUGO, csrow_dev_type_show, NULL, 0);
CSROWDEV_ATTR(mem_type, S_IRUGO, csrow_mem_type_show, NULL, 0);
CSROWDEV_ATTR(edac_mode, S_IRUGO, csrow_edac_mode_show, NULL, 0);
CSROWDEV_ATTR(ue_count, S_IRUGO, csrow_ue_count_show, NULL, 0);
CSROWDEV_ATTR(ce_count, S_IRUGO, csrow_ce_count_show, NULL, 0);
/* default attributes of the CSROW<id> object */
static struct csrowdev_attribute *default_csrow_attr[] = {
@ -429,98 +414,68 @@ static struct csrowdev_attribute *default_csrow_attr[] = {
NULL,
};
/* possible dynamic channel DIMM Label attribute files */
CSROWDEV_ATTR(ch0_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
0 );
CSROWDEV_ATTR(ch1_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
1 );
CSROWDEV_ATTR(ch2_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
2 );
CSROWDEV_ATTR(ch3_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
3 );
CSROWDEV_ATTR(ch4_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
4 );
CSROWDEV_ATTR(ch5_dimm_label,S_IRUGO|S_IWUSR,
channel_dimm_label_show,
channel_dimm_label_store,
5 );
CSROWDEV_ATTR(ch0_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 0);
CSROWDEV_ATTR(ch1_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 1);
CSROWDEV_ATTR(ch2_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 2);
CSROWDEV_ATTR(ch3_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 3);
CSROWDEV_ATTR(ch4_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 4);
CSROWDEV_ATTR(ch5_dimm_label, S_IRUGO | S_IWUSR,
channel_dimm_label_show, channel_dimm_label_store, 5);
/* Total possible dynamic DIMM Label attribute file table */
static struct csrowdev_attribute *dynamic_csrow_dimm_attr[] = {
&attr_ch0_dimm_label,
&attr_ch1_dimm_label,
&attr_ch2_dimm_label,
&attr_ch3_dimm_label,
&attr_ch4_dimm_label,
&attr_ch5_dimm_label
&attr_ch0_dimm_label,
&attr_ch1_dimm_label,
&attr_ch2_dimm_label,
&attr_ch3_dimm_label,
&attr_ch4_dimm_label,
&attr_ch5_dimm_label
};
/* possible dynamic channel ce_count attribute files */
CSROWDEV_ATTR(ch0_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
0 );
CSROWDEV_ATTR(ch1_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
1 );
CSROWDEV_ATTR(ch2_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
2 );
CSROWDEV_ATTR(ch3_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
3 );
CSROWDEV_ATTR(ch4_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
4 );
CSROWDEV_ATTR(ch5_ce_count,S_IRUGO|S_IWUSR,
channel_ce_count_show,
NULL,
5 );
CSROWDEV_ATTR(ch0_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 0);
CSROWDEV_ATTR(ch1_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 1);
CSROWDEV_ATTR(ch2_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 2);
CSROWDEV_ATTR(ch3_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 3);
CSROWDEV_ATTR(ch4_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 4);
CSROWDEV_ATTR(ch5_ce_count, S_IRUGO | S_IWUSR, channel_ce_count_show, NULL, 5);
/* Total possible dynamic ce_count attribute file table */
static struct csrowdev_attribute *dynamic_csrow_ce_count_attr[] = {
&attr_ch0_ce_count,
&attr_ch1_ce_count,
&attr_ch2_ce_count,
&attr_ch3_ce_count,
&attr_ch4_ce_count,
&attr_ch5_ce_count
&attr_ch0_ce_count,
&attr_ch1_ce_count,
&attr_ch2_ce_count,
&attr_ch3_ce_count,
&attr_ch4_ce_count,
&attr_ch5_ce_count
};
#define EDAC_NR_CHANNELS 6
/* Create dynamic CHANNEL files, indexed by 'chan', under specifed CSROW */
static int edac_create_channel_files(struct kobject *kobj, int chan)
{
int err=-ENODEV;
int err = -ENODEV;
if (chan >= EDAC_NR_CHANNELS)
return err;
/* create the DIMM label attribute file */
err = sysfs_create_file(kobj,
(struct attribute *) dynamic_csrow_dimm_attr[chan]);
(struct attribute *)
dynamic_csrow_dimm_attr[chan]);
if (!err) {
/* create the CE Count attribute file */
err = sysfs_create_file(kobj,
(struct attribute *)dynamic_csrow_ce_count_attr[chan]);
(struct attribute *)
dynamic_csrow_ce_count_attr[chan]);
} else {
debugf1("%s() dimm labels and ce_count files created",
__func__);
@ -542,14 +497,12 @@ static void edac_csrow_instance_release(struct kobject *kobj)
static struct kobj_type ktype_csrow = {
.release = edac_csrow_instance_release,
.sysfs_ops = &csrowfs_ops,
.default_attrs = (struct attribute **) default_csrow_attr,
.default_attrs = (struct attribute **)default_csrow_attr,
};
/* Create a CSROW object under specifed edac_mc_device */
static int edac_create_csrow_object(
struct kobject *edac_mci_kobj,
struct csrow_info *csrow,
int index)
static int edac_create_csrow_object(struct kobject *edac_mci_kobj,
struct csrow_info *csrow, int index)
{
int err = 0;
int chan;
@ -562,7 +515,7 @@ static int edac_create_csrow_object(
csrow->kobj.ktype = &ktype_csrow;
/* name this instance of csrow<id> */
err = kobject_set_name(&csrow->kobj,"csrow%d",index);
err = kobject_set_name(&csrow->kobj, "csrow%d", index);
if (err)
goto error_exit;
@ -573,20 +526,20 @@ static int edac_create_csrow_object(
* namely, the DIMM labels and the channel ce_count
*/
for (chan = 0; chan < csrow->nr_channels; chan++) {
err = edac_create_channel_files(&csrow->kobj,chan);
err = edac_create_channel_files(&csrow->kobj, chan);
if (err)
break;
}
}
error_exit:
error_exit:
return err;
}
/* default sysfs methods and data structures for the main MCI kobject */
static ssize_t mci_reset_counters_store(struct mem_ctl_info *mci,
const char *data, size_t count)
const char *data, size_t count)
{
int row, chan;
@ -611,7 +564,7 @@ static ssize_t mci_reset_counters_store(struct mem_ctl_info *mci,
/* memory scrubbing */
static ssize_t mci_sdram_scrub_rate_store(struct mem_ctl_info *mci,
const char *data, size_t count)
const char *data, size_t count)
{
u32 bandwidth = -1;
@ -619,20 +572,20 @@ static ssize_t mci_sdram_scrub_rate_store(struct mem_ctl_info *mci,
memctrl_int_store(&bandwidth, data, count);
if (!(*mci->set_sdram_scrub_rate)(mci, &bandwidth)) {
if (!(*mci->set_sdram_scrub_rate) (mci, &bandwidth)) {
edac_printk(KERN_DEBUG, EDAC_MC,
"Scrub rate set successfully, applied: %d\n",
bandwidth);
"Scrub rate set successfully, applied: %d\n",
bandwidth);
} else {
/* FIXME: error codes maybe? */
edac_printk(KERN_DEBUG, EDAC_MC,
"Scrub rate set FAILED, could not apply: %d\n",
bandwidth);
"Scrub rate set FAILED, could not apply: %d\n",
bandwidth);
}
} else {
/* FIXME: produce "not implemented" ERROR for user-side. */
edac_printk(KERN_WARNING, EDAC_MC,
"Memory scrubbing 'set'control is not implemented!\n");
"Memory scrubbing 'set'control is not implemented!\n");
}
return count;
}
@ -642,20 +595,20 @@ static ssize_t mci_sdram_scrub_rate_show(struct mem_ctl_info *mci, char *data)
u32 bandwidth = -1;
if (mci->get_sdram_scrub_rate) {
if (!(*mci->get_sdram_scrub_rate)(mci, &bandwidth)) {
if (!(*mci->get_sdram_scrub_rate) (mci, &bandwidth)) {
edac_printk(KERN_DEBUG, EDAC_MC,
"Scrub rate successfully, fetched: %d\n",
bandwidth);
"Scrub rate successfully, fetched: %d\n",
bandwidth);
} else {
/* FIXME: error codes maybe? */
edac_printk(KERN_DEBUG, EDAC_MC,
"Scrub rate fetch FAILED, got: %d\n",
bandwidth);
"Scrub rate fetch FAILED, got: %d\n",
bandwidth);
}
} else {
/* FIXME: produce "not implemented" ERROR for user-side. */
edac_printk(KERN_WARNING, EDAC_MC,
"Memory scrubbing 'get' control is not implemented\n");
"Memory scrubbing 'get' control is not implemented\n");
}
return sprintf(data, "%d\n", bandwidth);
}
@ -663,32 +616,32 @@ static ssize_t mci_sdram_scrub_rate_show(struct mem_ctl_info *mci, char *data)
/* default attribute files for the MCI object */
static ssize_t mci_ue_count_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%d\n", mci->ue_count);
return sprintf(data, "%d\n", mci->ue_count);
}
static ssize_t mci_ce_count_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%d\n", mci->ce_count);
return sprintf(data, "%d\n", mci->ce_count);
}
static ssize_t mci_ce_noinfo_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%d\n", mci->ce_noinfo_count);
return sprintf(data, "%d\n", mci->ce_noinfo_count);
}
static ssize_t mci_ue_noinfo_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%d\n", mci->ue_noinfo_count);
return sprintf(data, "%d\n", mci->ue_noinfo_count);
}
static ssize_t mci_seconds_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%ld\n", (jiffies - mci->start_time) / HZ);
return sprintf(data, "%ld\n", (jiffies - mci->start_time) / HZ);
}
static ssize_t mci_ctl_name_show(struct mem_ctl_info *mci, char *data)
{
return sprintf(data,"%s\n", mci->ctl_name);
return sprintf(data, "%s\n", mci->ctl_name);
}
static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data)
@ -696,7 +649,7 @@ static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data)
int total_pages, csrow_idx;
for (total_pages = csrow_idx = 0; csrow_idx < mci->nr_csrows;
csrow_idx++) {
csrow_idx++) {
struct csrow_info *csrow = &mci->csrows[csrow_idx];
if (!csrow->nr_pages)
@ -705,13 +658,13 @@ static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data)
total_pages += csrow->nr_pages;
}
return sprintf(data,"%u\n", PAGES_TO_MiB(total_pages));
return sprintf(data, "%u\n", PAGES_TO_MiB(total_pages));
}
struct mcidev_attribute {
struct attribute attr;
ssize_t (*show)(struct mem_ctl_info *,char *);
ssize_t (*store)(struct mem_ctl_info *, const char *,size_t);
ssize_t(*show) (struct mem_ctl_info *, char *);
ssize_t(*store) (struct mem_ctl_info *, const char *, size_t);
};
#define to_mci(k) container_of(k, struct mem_ctl_info, edac_mci_kobj)
@ -719,10 +672,10 @@ struct mcidev_attribute {
/* MCI show/store functions for top most object */
static ssize_t mcidev_show(struct kobject *kobj, struct attribute *attr,
char *buffer)
char *buffer)
{
struct mem_ctl_info *mem_ctl_info = to_mci(kobj);
struct mcidev_attribute * mcidev_attr = to_mcidev_attr(attr);
struct mcidev_attribute *mcidev_attr = to_mcidev_attr(attr);
if (mcidev_attr->show)
return mcidev_attr->show(mem_ctl_info, buffer);
@ -731,10 +684,10 @@ static ssize_t mcidev_show(struct kobject *kobj, struct attribute *attr,
}
static ssize_t mcidev_store(struct kobject *kobj, struct attribute *attr,
const char *buffer, size_t count)
const char *buffer, size_t count)
{
struct mem_ctl_info *mem_ctl_info = to_mci(kobj);
struct mcidev_attribute * mcidev_attr = to_mcidev_attr(attr);
struct mcidev_attribute *mcidev_attr = to_mcidev_attr(attr);
if (mcidev_attr->store)
return mcidev_attr->store(mem_ctl_info, buffer, count);
@ -755,20 +708,20 @@ static struct mcidev_attribute mci_attr_##_name = { \
};
/* default Control file */
MCIDEV_ATTR(reset_counters,S_IWUSR,NULL,mci_reset_counters_store);
MCIDEV_ATTR(reset_counters, S_IWUSR, NULL, mci_reset_counters_store);
/* default Attribute files */
MCIDEV_ATTR(mc_name,S_IRUGO,mci_ctl_name_show,NULL);
MCIDEV_ATTR(size_mb,S_IRUGO,mci_size_mb_show,NULL);
MCIDEV_ATTR(seconds_since_reset,S_IRUGO,mci_seconds_show,NULL);
MCIDEV_ATTR(ue_noinfo_count,S_IRUGO,mci_ue_noinfo_show,NULL);
MCIDEV_ATTR(ce_noinfo_count,S_IRUGO,mci_ce_noinfo_show,NULL);
MCIDEV_ATTR(ue_count,S_IRUGO,mci_ue_count_show,NULL);
MCIDEV_ATTR(ce_count,S_IRUGO,mci_ce_count_show,NULL);
MCIDEV_ATTR(mc_name, S_IRUGO, mci_ctl_name_show, NULL);
MCIDEV_ATTR(size_mb, S_IRUGO, mci_size_mb_show, NULL);
MCIDEV_ATTR(seconds_since_reset, S_IRUGO, mci_seconds_show, NULL);
MCIDEV_ATTR(ue_noinfo_count, S_IRUGO, mci_ue_noinfo_show, NULL);
MCIDEV_ATTR(ce_noinfo_count, S_IRUGO, mci_ce_noinfo_show, NULL);
MCIDEV_ATTR(ue_count, S_IRUGO, mci_ue_count_show, NULL);
MCIDEV_ATTR(ce_count, S_IRUGO, mci_ce_count_show, NULL);
/* memory scrubber attribute file */
MCIDEV_ATTR(sdram_scrub_rate,S_IRUGO|S_IWUSR,mci_sdram_scrub_rate_show,\
mci_sdram_scrub_rate_store);
MCIDEV_ATTR(sdram_scrub_rate, S_IRUGO | S_IWUSR, mci_sdram_scrub_rate_show,
mci_sdram_scrub_rate_store);
static struct mcidev_attribute *mci_attr[] = {
&mci_attr_reset_counters,
@ -798,10 +751,9 @@ static void edac_mci_instance_release(struct kobject *kobj)
static struct kobj_type ktype_mci = {
.release = edac_mci_instance_release,
.sysfs_ops = &mci_ops,
.default_attrs = (struct attribute **) mci_attr,
.default_attrs = (struct attribute **)mci_attr,
};
#define EDAC_DEVICE_SYMLINK "device"
/*
@ -817,13 +769,13 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
int i;
int err;
struct csrow_info *csrow;
struct kobject *edac_mci_kobj=&mci->edac_mci_kobj;
struct kobject *edac_mci_kobj = &mci->edac_mci_kobj;
debugf0("%s() idx=%d\n", __func__, mci->mc_idx);
memset(edac_mci_kobj, 0, sizeof(*edac_mci_kobj));
/* set the name of the mc<id> object */
err = kobject_set_name(edac_mci_kobj,"mc%d",mci->mc_idx);
err = kobject_set_name(edac_mci_kobj, "mc%d", mci->mc_idx);
if (err)
return err;
@ -850,7 +802,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
/* Only expose populated CSROWs */
if (csrow->nr_pages > 0) {
err = edac_create_csrow_object(edac_mci_kobj,csrow,i);
err = edac_create_csrow_object(edac_mci_kobj, csrow, i);
if (err)
goto fail1;
}
@ -859,8 +811,8 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
return 0;
/* CSROW error: backout what has already been registered, */
fail1:
for ( i--; i >= 0; i--) {
fail1:
for (i--; i >= 0; i--) {
if (csrow->nr_pages > 0) {
init_completion(&csrow->kobj_complete);
kobject_unregister(&mci->csrows[i].kobj);
@ -868,7 +820,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
}
}
fail0:
fail0:
init_completion(&mci->kobj_complete);
kobject_unregister(edac_mci_kobj);
wait_for_completion(&mci->kobj_complete);
@ -898,5 +850,3 @@ void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci)
kobject_unregister(&mci->edac_mci_kobj);
wait_for_completion(&mci->kobj_complete);
}

22
drivers/edac/edac_module.c
View file

@ -37,7 +37,7 @@ static int edac_class_valid = 0;
/*
* edac_op_state_toString()
*/
char * edac_op_state_toString(int opstate)
char *edac_op_state_toString(int opstate)
{
if (opstate == OP_RUNNING_POLL)
return "POLLED";
@ -60,7 +60,7 @@ char * edac_op_state_toString(int opstate)
*/
struct sysdev_class *edac_get_edac_class(void)
{
struct sysdev_class *classptr=NULL;
struct sysdev_class *classptr = NULL;
if (edac_class_valid)
classptr = &edac_class;
@ -133,7 +133,6 @@ static void edac_workqueue_teardown(void)
}
}
/*
* edac_init
* module initialization entry point
@ -148,8 +147,8 @@ static int __init edac_init(void)
* Harvest and clear any boot/initialization PCI parity errors
*
* FIXME: This only clears errors logged by devices present at time of
* module initialization. We should also do an initial clear
* of each newly hotplugged device.
* module initialization. We should also do an initial clear
* of each newly hotplugged device.
*/
edac_pci_clear_parity_errors();
@ -158,7 +157,7 @@ static int __init edac_init(void)
*/
if (edac_register_sysfs_edac_name()) {
edac_printk(KERN_ERR, EDAC_MC,
"Error initializing 'edac' kobject\n");
"Error initializing 'edac' kobject\n");
err = -ENODEV;
goto error;
}
@ -167,7 +166,7 @@ static int __init edac_init(void)
*/
if (edac_sysfs_memctrl_setup()) {
edac_printk(KERN_ERR, EDAC_MC,
"Error initializing sysfs code\n");
"Error initializing sysfs code\n");
err = -ENODEV;
goto error_sysfs;
}
@ -182,11 +181,11 @@ static int __init edac_init(void)
return 0;
/* Error teardown stack */
error_mem:
error_mem:
edac_sysfs_memctrl_teardown();
error_sysfs:
error_sysfs:
edac_unregister_sysfs_edac_name();
error:
error:
return err;
}
@ -198,7 +197,7 @@ static void __exit edac_exit(void)
{
debugf0("%s()\n", __func__);
/* tear down the various subsystems*/
/* tear down the various subsystems */
edac_workqueue_teardown();
edac_sysfs_memctrl_teardown();
edac_unregister_sysfs_edac_name();
@ -220,4 +219,3 @@ MODULE_DESCRIPTION("Core library routines for EDAC reporting");
module_param(edac_debug_level, int, 0644);
MODULE_PARM_DESC(edac_debug_level, "Debug level");
#endif

16
drivers/edac/edac_module.h
View file

@ -40,12 +40,10 @@ extern struct sysdev_class *edac_get_edac_class(void);
/* edac core workqueue: single CPU mode */
extern struct workqueue_struct *edac_workqueue;
extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
unsigned msec);
unsigned msec);
extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
extern void edac_device_reset_delay_period(
struct edac_device_ctl_info *edac_dev,
unsigned long value);
extern void edac_device_reset_delay_period(struct edac_device_ctl_info
*edac_dev, unsigned long value);
/*
* EDAC PCI functions
@ -57,7 +55,7 @@ extern int edac_sysfs_pci_setup(void);
extern void edac_sysfs_pci_teardown(void);
extern int edac_pci_get_check_errors(void);
extern int edac_pci_get_poll_msec(void);
#else /* CONFIG_PCI */
#else /* CONFIG_PCI */
/* pre-process these away */
#define edac_pci_do_parity_check()
#define edac_pci_clear_parity_errors()
@ -65,8 +63,6 @@ extern int edac_pci_get_poll_msec(void);
#define edac_sysfs_pci_teardown()
#define edac_pci_get_check_errors()
#define edac_pci_get_poll_msec()
#endif /* CONFIG_PCI */
#endif /* __EDAC_MODULE_H__ */
#endif /* CONFIG_PCI */
#endif /* __EDAC_MODULE_H__ */

75
drivers/edac/edac_pci.c
View file

@ -46,9 +46,8 @@ static inline void edac_unlock_pci_list(void)
* structure. The chip driver will allocate one of these for each
* edac_pci it is going to control/register with the EDAC CORE.
*/
struct edac_pci_ctl_info * edac_pci_alloc_ctl_info(
unsigned int sz_pvt,
const char *edac_pci_name)
struct edac_pci_ctl_info *edac_pci_alloc_ctl_info(unsigned int sz_pvt,
const char *edac_pci_name)
{
struct edac_pci_ctl_info *pci;
void *pvt;
@ -67,10 +66,11 @@ struct edac_pci_ctl_info * edac_pci_alloc_ctl_info(
pci->op_state = OP_ALLOC;
snprintf(pci->name, strlen(edac_pci_name)+1, "%s", edac_pci_name);
snprintf(pci->name, strlen(edac_pci_name) + 1, "%s", edac_pci_name);
return pci;
}
EXPORT_SYMBOL_GPL(edac_pci_alloc_ctl_info);
/*
@ -81,13 +81,14 @@ void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci)
{
kfree(pci);
}
EXPORT_SYMBOL_GPL(edac_pci_free_ctl_info);
/*
* find_edac_pci_by_dev()
* scans the edac_pci list for a specific 'struct device *'
*/
static struct edac_pci_ctl_info * find_edac_pci_by_dev(struct device *dev)
static struct edac_pci_ctl_info *find_edac_pci_by_dev(struct device *dev)
{
struct edac_pci_ctl_info *pci;
struct list_head *item;
@ -139,17 +140,18 @@ static int add_edac_pci_to_global_list(struct edac_pci_ctl_info *pci)
list_add_tail_rcu(&pci->link, insert_before);
return 0;
fail0:
fail0:
edac_printk(KERN_WARNING, EDAC_PCI,
"%s (%s) %s %s already assigned %d\n",
rover->dev->bus_id, dev_name(rover),
rover->mod_name, rover->ctl_name, rover->pci_idx);
"%s (%s) %s %s already assigned %d\n",
rover->dev->bus_id, dev_name(rover),
rover->mod_name, rover->ctl_name, rover->pci_idx);
return 1;
fail1:
fail1:
edac_printk(KERN_WARNING, EDAC_PCI,
"but in low-level driver: attempt to assign\n"
"\tduplicate pci_idx %d in %s()\n", rover->pci_idx, __func__);
"but in low-level driver: attempt to assign\n"
"\tduplicate pci_idx %d in %s()\n", rover->pci_idx,
__func__);
return 1;
}
@ -185,7 +187,7 @@ static void del_edac_pci_from_global_list(struct edac_pci_ctl_info *pci)
*
* Caller must hold pci_ctls_mutex.
*/
struct edac_pci_ctl_info * edac_pci_find(int idx)
struct edac_pci_ctl_info *edac_pci_find(int idx)
{
struct list_head *item;
struct edac_pci_ctl_info *pci;
@ -198,13 +200,14 @@ struct edac_pci_ctl_info * edac_pci_find(int idx)
if (pci->pci_idx == idx)
return pci;
/* not on list, so terminate early */
/* not on list, so terminate early */
break;
}
}
return NULL;
}
EXPORT_SYMBOL_GPL(edac_pci_find);
/*
@ -225,15 +228,14 @@ static void edac_pci_workq_function(void *ptr)
edac_lock_pci_list();
if ((pci->op_state == OP_RUNNING_POLL) &&
(pci->edac_check != NULL) &&
(edac_pci_get_check_errors()))
(pci->edac_check != NULL) && (edac_pci_get_check_errors()))
pci->edac_check(pci);
edac_unlock_pci_list();
/* Reschedule */
queue_delayed_work(edac_workqueue, &pci->work,
msecs_to_jiffies(edac_pci_get_poll_msec()));
msecs_to_jiffies(edac_pci_get_poll_msec()));
}
/*
@ -242,7 +244,7 @@ static void edac_pci_workq_function(void *ptr)
* passing in the new delay period in msec
*/
static void edac_pci_workq_setup(struct edac_pci_ctl_info *pci,
unsigned int msec)
unsigned int msec)
{
debugf0("%s()\n", __func__);
@ -252,7 +254,7 @@ static void edac_pci_workq_setup(struct edac_pci_ctl_info *pci,
INIT_WORK(&pci->work, edac_pci_workq_function, pci);
#endif
queue_delayed_work(edac_workqueue, &pci->work,
msecs_to_jiffies(edac_pci_get_poll_msec()));
msecs_to_jiffies(edac_pci_get_poll_msec()));
}
/*
@ -272,7 +274,7 @@ static void edac_pci_workq_teardown(struct edac_pci_ctl_info *pci)
* edac_pci_reset_delay_period
*/
void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
unsigned long value)
unsigned long value)
{
edac_lock_pci_list();
@ -282,6 +284,7 @@ void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
edac_unlock_pci_list();
}
EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period);
/*
@ -324,22 +327,22 @@ int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx)
}
edac_pci_printk(pci, KERN_INFO,
"Giving out device to module '%s' controller '%s':"
" DEV '%s' (%s)\n",
pci->mod_name,
pci->ctl_name,
dev_name(pci),
edac_op_state_toString(pci->op_state));
"Giving out device to module '%s' controller '%s':"
" DEV '%s' (%s)\n",
pci->mod_name,
pci->ctl_name,
dev_name(pci), edac_op_state_toString(pci->op_state));
edac_unlock_pci_list();
return 0;
fail1:
fail1:
del_edac_pci_from_global_list(pci);
fail0:
fail0:
edac_unlock_pci_list();
return 1;
}
EXPORT_SYMBOL_GPL(edac_pci_add_device);
/*
@ -355,7 +358,7 @@ EXPORT_SYMBOL_GPL(edac_pci_add_device);
* Pointer to removed edac_pci structure,
* or NULL if device not found
*/
struct edac_pci_ctl_info * edac_pci_del_device(struct device *dev)
struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev)
{
struct edac_pci_ctl_info *pci;
@ -379,14 +382,12 @@ struct edac_pci_ctl_info * edac_pci_del_device(struct device *dev)
edac_unlock_pci_list();
edac_printk(KERN_INFO, EDAC_PCI,
"Removed device %d for %s %s: DEV %s\n",
pci->pci_idx,
pci->mod_name,
pci->ctl_name,
dev_name(pci));
"Removed device %d for %s %s: DEV %s\n",
pci->pci_idx, pci->mod_name, pci->ctl_name, dev_name(pci));
return pci;
}
EXPORT_SYMBOL_GPL(edac_pci_del_device);
void edac_pci_generic_check(struct edac_pci_ctl_info *pci)
@ -401,8 +402,8 @@ struct edac_pci_gen_data {
int edac_idx;
};
struct edac_pci_ctl_info *
edac_pci_create_generic_ctl(struct device *dev, const char *mod_name)
struct edac_pci_ctl_info *edac_pci_create_generic_ctl(struct device *dev,
const char *mod_name)
{
struct edac_pci_ctl_info *pci;
struct edac_pci_gen_data *pdata;
@ -430,6 +431,7 @@ edac_pci_create_generic_ctl(struct device *dev, const char *mod_name)
return pci;
}
EXPORT_SYMBOL_GPL(edac_pci_create_generic_ctl);
void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci)
@ -437,4 +439,5 @@ void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci)
edac_pci_del_device(pci->dev);
edac_pci_free_ctl_info(pci);
}
EXPORT_SYMBOL_GPL(edac_pci_release_generic_ctl);

140
drivers/edac/edac_pci_sysfs.c
View file

@ -13,7 +13,6 @@
#include "edac_core.h"
#include "edac_module.h"
#ifdef CONFIG_PCI
#define EDAC_PCI_SYMLINK "device"
@ -26,7 +25,7 @@ static atomic_t pci_parity_count = ATOMIC_INIT(0);
static atomic_t pci_nonparity_count = ATOMIC_INIT(0);
static int edac_pci_poll_msec = 1000;
static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
static struct completion edac_pci_kobj_complete;
static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0);
@ -58,13 +57,13 @@ int edac_pci_get_poll_msec(void)
/**************************** EDAC PCI sysfs instance *******************/
static ssize_t instance_pe_count_show(struct edac_pci_ctl_info *pci, char *data)
{
return sprintf(data,"%u\n", atomic_read(&pci->counters.pe_count));
return sprintf(data, "%u\n", atomic_read(&pci->counters.pe_count));
}
static ssize_t instance_npe_count_show(struct edac_pci_ctl_info *pci,
char *data)
char *data)
{
return sprintf(data,"%u\n", atomic_read(&pci->counters.npe_count));
return sprintf(data, "%u\n", atomic_read(&pci->counters.npe_count));
}
#define to_instance(k) container_of(k, struct edac_pci_ctl_info, kobj)
@ -83,36 +82,34 @@ static void edac_pci_instance_release(struct kobject *kobj)
/* instance specific attribute structure */
struct instance_attribute {
struct attribute attr;
ssize_t (*show)(struct edac_pci_ctl_info *, char *);
ssize_t (*store)(struct edac_pci_ctl_info *, const char *, size_t);
struct attribute attr;
ssize_t(*show) (struct edac_pci_ctl_info *, char *);
ssize_t(*store) (struct edac_pci_ctl_info *, const char *, size_t);
};
/* Function to 'show' fields from the edac_pci 'instance' structure */
static ssize_t edac_pci_instance_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
struct attribute *attr, char *buffer)
{
struct edac_pci_ctl_info *pci = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
struct edac_pci_ctl_info *pci = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
if (instance_attr->show)
return instance_attr->show(pci, buffer);
return -EIO;
if (instance_attr->show)
return instance_attr->show(pci, buffer);
return -EIO;
}
/* Function to 'store' fields into the edac_pci 'instance' structure */
static ssize_t edac_pci_instance_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer, size_t count)
struct attribute *attr,
const char *buffer, size_t count)
{
struct edac_pci_ctl_info *pci = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
struct edac_pci_ctl_info *pci = to_instance(kobj);
struct instance_attribute *instance_attr = to_instance_attr(attr);
if (instance_attr->store)
return instance_attr->store(pci, buffer, count);
return -EIO;
if (instance_attr->store)
return instance_attr->store(pci, buffer, count);
return -EIO;
}
static struct sysfs_ops pci_instance_ops = {
@ -158,7 +155,7 @@ static int edac_pci_create_instance_kobj(struct edac_pci_ctl_info *pci, int idx)
err = kobject_register(&pci->kobj);
if (err != 0) {
debugf2("%s() failed to register instance pci%d\n",
__func__, idx);
__func__, idx);
return err;
}
@ -182,7 +179,7 @@ edac_pci_delete_instance_kobj(struct edac_pci_ctl_info *pci, int idx)
static ssize_t edac_pci_int_show(void *ptr, char *buffer)
{
int *value = ptr;
return sprintf(buffer,"%d\n",*value);
return sprintf(buffer, "%d\n", *value);
}
static ssize_t edac_pci_int_store(void *ptr, const char *buffer, size_t count)
@ -190,7 +187,7 @@ static ssize_t edac_pci_int_store(void *ptr, const char *buffer, size_t count)
int *value = ptr;
if (isdigit(*buffer))
*value = simple_strtoul(buffer,NULL,0);
*value = simple_strtoul(buffer, NULL, 0);
return count;
}
@ -198,16 +195,16 @@ static ssize_t edac_pci_int_store(void *ptr, const char *buffer, size_t count)
struct edac_pci_dev_attribute {
struct attribute attr;
void *value;
ssize_t (*show)(void *,char *);
ssize_t (*store)(void *, const char *,size_t);
ssize_t(*show) (void *, char *);
ssize_t(*store) (void *, const char *, size_t);
};
/* Set of show/store abstract level functions for PCI Parity object */
static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr,
char *buffer)
char *buffer)
{
struct edac_pci_dev_attribute *edac_pci_dev;
edac_pci_dev= (struct edac_pci_dev_attribute*)attr;
edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
if (edac_pci_dev->show)
return edac_pci_dev->show(edac_pci_dev->value, buffer);
@ -215,10 +212,11 @@ static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr,
}
static ssize_t edac_pci_dev_store(struct kobject *kobj,
struct attribute *attr, const char *buffer, size_t count)
struct attribute *attr, const char *buffer,
size_t count)
{
struct edac_pci_dev_attribute *edac_pci_dev;
edac_pci_dev= (struct edac_pci_dev_attribute*)attr;
edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
if (edac_pci_dev->show)
return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
@ -226,8 +224,8 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
}
static struct sysfs_ops edac_pci_sysfs_ops = {
.show = edac_pci_dev_show,
.store = edac_pci_dev_store
.show = edac_pci_dev_show,
.store = edac_pci_dev_store
};
#define EDAC_PCI_ATTR(_name,_mode,_show,_store) \
@ -247,14 +245,14 @@ static struct edac_pci_dev_attribute edac_pci_attr_##_name = { \
};
/* PCI Parity control files */
EDAC_PCI_ATTR(check_pci_errors, S_IRUGO|S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_log_pe, S_IRUGO|S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_log_npe, S_IRUGO|S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_panic_on_pe, S_IRUGO|S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(check_pci_errors, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_log_pe, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_log_npe, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(edac_pci_panic_on_pe, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
EDAC_PCI_ATTR(pci_parity_count, S_IRUGO, edac_pci_int_show, NULL);
EDAC_PCI_ATTR(pci_nonparity_count, S_IRUGO, edac_pci_int_show, NULL);
@ -283,7 +281,7 @@ static void edac_pci_release(struct kobject *kobj)
static struct kobj_type ktype_edac_pci = {
.release = edac_pci_release,
.sysfs_ops = &edac_pci_sysfs_ops,
.default_attrs = (struct attribute **) edac_pci_attr,
.default_attrs = (struct attribute **)edac_pci_attr,
};
/**
@ -310,7 +308,7 @@ int edac_pci_register_main_kobj(void)
edac_pci_kobj.parent = &edac_class->kset.kobj;
err = kobject_set_name(&edac_pci_kobj, "pci");
if(err)
if (err)
return err;
/* Instanstiate the pci object */
@ -359,15 +357,12 @@ int edac_pci_create_sysfs(struct edac_pci_ctl_info *pci)
edac_pci_unregister_main_kobj();
}
debugf0("%s() idx=%d\n", __func__, pci->pci_idx);
err = sysfs_create_link(edac_kobj,
&pci->dev->kobj,
EDAC_PCI_SYMLINK);
err = sysfs_create_link(edac_kobj, &pci->dev->kobj, EDAC_PCI_SYMLINK);
if (err) {
debugf0("%s() sysfs_create_link() returned err= %d\n",
__func__, err);
__func__, err);
return err;
}
@ -410,7 +405,7 @@ static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
}
status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
PCI_STATUS_PARITY;
PCI_STATUS_PARITY;
if (status)
/* reset only the bits we are interested in */
@ -419,7 +414,7 @@ static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
return status;
}
typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
typedef void (*pci_parity_check_fn_t) (struct pci_dev * dev);
/* Clear any PCI parity errors logged by this device. */
static void edac_pci_dev_parity_clear(struct pci_dev *dev)
@ -442,35 +437,35 @@ static void edac_pci_dev_parity_clear(struct pci_dev *dev)
static void edac_pci_dev_parity_test(struct pci_dev *dev)
{
u16 status;
u8 header_type;
u8 header_type;
/* read the STATUS register on this device
*/
status = get_pci_parity_status(dev, 0);
debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id);
/* check the status reg for errors */
if (status) {
if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) {
edac_printk(KERN_CRIT, EDAC_PCI,
"Signaled System Error on %s\n",
pci_name(dev));
"Signaled System Error on %s\n",
pci_name(dev));
atomic_inc(&pci_nonparity_count);
}
if (status & (PCI_STATUS_PARITY)) {
edac_printk(KERN_CRIT, EDAC_PCI,
"Master Data Parity Error on %s\n",
pci_name(dev));
"Master Data Parity Error on %s\n",
pci_name(dev));
atomic_inc(&pci_parity_count);
}
if (status & (PCI_STATUS_DETECTED_PARITY)) {
edac_printk(KERN_CRIT, EDAC_PCI,
"Detected Parity Error on %s\n",
pci_name(dev));
"Detected Parity Error on %s\n",
pci_name(dev));
atomic_inc(&pci_parity_count);
}
@ -479,36 +474,35 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev)
/* read the device TYPE, looking for bridges */
pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id);
if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
/* On bridges, need to examine secondary status register */
status = get_pci_parity_status(dev, 1);
debugf2("PCI SEC_STATUS= 0x%04x %s\n",
status, dev->dev.bus_id );
debugf2("PCI SEC_STATUS= 0x%04x %s\n", status, dev->dev.bus_id);
/* check the secondary status reg for errors */
if (status) {
if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) {
edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
"Signaled System Error on %s\n",
pci_name(dev));
"Signaled System Error on %s\n",
pci_name(dev));
atomic_inc(&pci_nonparity_count);
}
if (status & (PCI_STATUS_PARITY)) {
edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
"Master Data Parity Error on "
"%s\n", pci_name(dev));
"Master Data Parity Error on "
"%s\n", pci_name(dev));
atomic_inc(&pci_parity_count);
}
if (status & (PCI_STATUS_DETECTED_PARITY)) {
edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
"Detected Parity Error on %s\n",
pci_name(dev));
"Detected Parity Error on %s\n",
pci_name(dev));
atomic_inc(&pci_parity_count);
}
@ -529,7 +523,7 @@ static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
* and while we are looking at it have its reference count
* bumped until we are done with it
*/
while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
fn(dev);
}
}
@ -590,6 +584,7 @@ void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg)
*/
edac_pci_do_parity_check();
}
EXPORT_SYMBOL_GPL(edac_pci_handle_pe);
void edac_pci_handle_npe(struct edac_pci_ctl_info *pci, const char *msg)
@ -609,6 +604,7 @@ void edac_pci_handle_npe(struct edac_pci_ctl_info *pci, const char *msg)
*/
edac_pci_do_parity_check();
}
EXPORT_SYMBOL_GPL(edac_pci_handle_npe);
/*
@ -616,9 +612,9 @@ EXPORT_SYMBOL_GPL(edac_pci_handle_npe);
*/
module_param(check_pci_errors, int, 0644);
MODULE_PARM_DESC(check_pci_errors,
"Check for PCI bus parity errors: 0=off 1=on");
"Check for PCI bus parity errors: 0=off 1=on");
module_param(edac_pci_panic_on_pe, int, 0644);
MODULE_PARM_DESC(edac_pci_panic_on_pe,
"Panic on PCI Bus Parity error: 0=off 1=on");
"Panic on PCI Bus Parity error: 0=off 1=on");
#endif /* CONFIG_PCI */
#endif /* CONFIG_PCI */

2
drivers/edac/edac_stub.c
View file

@ -30,6 +30,7 @@ inline int edac_handler_set(void)
return atomic_read(&edac_handlers);
}
EXPORT_SYMBOL(edac_handler_set);
/*
@ -39,4 +40,5 @@ inline void edac_atomic_assert_error(void)
{
edac_err_assert++;
}
EXPORT_SYMBOL(edac_atomic_assert_error);