adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-28 11:46:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

drivers/edac: core Lindent cleanup

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

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 @@ fail1:
}
}
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);