drivers/edac: updated PCI monitoring

Moving PCI to a per-instance device model

This should include the correct sysfs setup as well. Please review.

Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dave Jiang
2007-07-19 01:49:52 -07:00
committed by Linus Torvalds
parent 81d87cb13e
commit 91b99041c1
7 changed files with 866 additions and 70 deletions

View File

@@ -60,6 +60,10 @@
#define edac_device_printk(ctl, level, fmt, arg...) \
printk(level "EDAC DEVICE%d: " fmt, ctl->dev_idx, ##arg)
/* edac_pci printk */
#define edac_pci_printk(ctl, level, fmt, arg...) \
printk(level "EDAC PCI%d: " fmt, ctl->pci_idx, ##arg)
/* prefixes for edac_printk() and edac_mc_printk() */
#define EDAC_MC "MC"
#define EDAC_PCI "PCI"
@@ -200,6 +204,13 @@ enum scrub_type {
/* FIXME - should have notify capabilities: NMI, LOG, PROC, etc */
/* EDAC internal operation states */
#define OP_ALLOC 0x100
#define OP_RUNNING_POLL 0x201
#define OP_RUNNING_INTERRUPT 0x202
#define OP_RUNNING_POLL_INTR 0x203
#define OP_OFFLINE 0x300
extern char * edac_align_ptr(void *ptr, unsigned size);
/*
@@ -520,12 +531,6 @@ struct edac_device_ctl_info {
/* the internal state of this controller instance */
int op_state;
#define OP_ALLOC 0x100
#define OP_RUNNING_POLL 0x201
#define OP_RUNNING_INTERRUPT 0x202
#define OP_RUNNING_POLL_INTR 0x203
#define OP_OFFLINE 0x300
/* work struct for this instance */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
struct delayed_work work;
@@ -626,6 +631,84 @@ 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;
};
/*
* Abstract edac_pci control info structure
*
*/
struct edac_pci_ctl_info {
/* for global list of edac_pci_ctl_info structs */
struct list_head link;
int pci_idx;
/* Per instance controls for this edac_device */
int check_parity_error; /* boolean for checking parity errs */
int log_parity_error; /* boolean for logging parity errs */
int panic_on_pe; /* boolean for panic'ing on a PE */
unsigned poll_msec; /* number of milliseconds to poll interval */
unsigned long delay; /* number of jiffies for poll_msec */
struct sysdev_class *edac_class; /* pointer to class */
/* the internal state of this controller instance */
int op_state;
/* work struct for this instance */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
struct delayed_work work;
#else
struct work_struct work;
#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
*/
void (*edac_check) (struct edac_pci_ctl_info * edac_dev);
struct device *dev; /* pointer to device structure */
const char *mod_name; /* module name */
const char *ctl_name; /* edac controller name */
const char *dev_name; /* pci/platform/etc... name */
void *pvt_info; /* pointer to 'private driver' info */
unsigned long start_time;/* edac_pci load start time (jiffies)*/
/* these are for safe removal of devices from global list while
* NMI handlers may be traversing list
*/
struct rcu_head rcu;
struct completion complete;
/* sysfs top name under 'edac' directory
* and instance name:
* cpu/cpu0/...
* cpu/cpu1/...
* cpu/cpu2/...
* ...
*/
char name[EDAC_DEVICE_NAME_LEN + 1];
/* Event counters for the this whole EDAC Device */
struct edac_pci_counter counters;
/* edac sysfs device control for the 'name'
* device this structure controls
*/
struct kobject kobj;
struct completion kobj_complete;
};
#define to_edac_pci_ctl_work(w) \
container_of(w, struct edac_pci_ctl_info,work)
/* write all or some bits in a byte-register*/
static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value,
u8 mask)
@@ -726,5 +809,30 @@ extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
extern void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
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 void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci);
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_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);
extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
/*
* edac misc APIs
*/
extern char * edac_op_state_toString(int op_state);
#endif /* _EDAC_CORE_H_ */