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Diffstat (limited to 'drivers/edac/edac_mc.h')
-rw-r--r--drivers/edac/edac_mc.h96
1 files changed, 43 insertions, 53 deletions
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index 2cec157aaeb..8d9e83909b9 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -15,11 +15,9 @@
*
*/
-
#ifndef _EDAC_MC_H_
#define _EDAC_MC_H_
-
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -33,7 +31,6 @@
#include <linux/completion.h>
#include <linux/kobject.h>
-
#define EDAC_MC_LABEL_LEN 31
#define MC_PROC_NAME_MAX_LEN 7
@@ -44,13 +41,13 @@
#endif
#define edac_printk(level, prefix, fmt, arg...) \
- printk(level "EDAC " prefix ": " fmt, ##arg)
+ printk(level "EDAC " prefix ": " fmt, ##arg)
#define edac_mc_printk(mci, level, fmt, arg...) \
- printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
+ printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
#define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \
- printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg)
+ printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg)
/* prefixes for edac_printk() and edac_mc_printk() */
#define EDAC_MC "MC"
@@ -71,14 +68,16 @@ extern int edac_debug_level;
#define debugf2( ... ) edac_debug_printk(2, __VA_ARGS__ )
#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( ... )
#define debugf2( ... )
#define debugf3( ... )
#define debugf4( ... )
-#endif /* !CONFIG_EDAC_DEBUG */
+#endif /* !CONFIG_EDAC_DEBUG */
#define edac_xstr(s) edac_str(s)
#define edac_str(s) #s
@@ -86,7 +85,8 @@ extern int edac_debug_level;
#define BIT(x) (1 << (x))
-#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, PCI_DEVICE_ID_ ## vend ## _ ## dev
+#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
+ PCI_DEVICE_ID_ ## vend ## _ ## dev
/* memory devices */
enum dev_type {
@@ -136,7 +136,6 @@ enum mem_type {
#define MEM_FLAG_RDDR BIT(MEM_RDDR)
#define MEM_FLAG_RMBS BIT(MEM_RMBS)
-
/* chipset Error Detection and Correction capabilities and mode */
enum edac_type {
EDAC_UNKNOWN = 0, /* Unknown if ECC is available */
@@ -161,7 +160,6 @@ enum edac_type {
#define EDAC_FLAG_S8ECD8ED BIT(EDAC_S8ECD8ED)
#define EDAC_FLAG_S16ECD16ED BIT(EDAC_S16ECD16ED)
-
/* scrubbing capabilities */
enum scrub_type {
SCRUB_UNKNOWN = 0, /* Unknown if scrubber is available */
@@ -269,20 +267,19 @@ enum scrub_type {
* PS - I enjoyed writing all that about as much as you enjoyed reading it.
*/
-
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 */
};
-
struct csrow_info {
unsigned long first_page; /* first page number in dimm */
unsigned long last_page; /* last page number in dimm */
unsigned long page_mask; /* used for interleaving -
- 0UL for non intlv */
+ * 0UL for non intlv
+ */
u32 nr_pages; /* number of pages in csrow */
u32 grain; /* granularity of reported error in bytes */
int csrow_idx; /* the chip-select row */
@@ -301,18 +298,18 @@ struct csrow_info {
struct channel_info *channels;
};
-
struct mem_ctl_info {
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
- closely related to edac_ctl_cap. The
- difference is that the controller
- may be capable of s4ecd4ed which would
- be listed in edac_ctl_cap, but if
- channels aren't capable of s4ecd4ed then the
- edac_cap would not have that capability. */
+ * closely related to edac_ctl_cap. The
+ * difference is that the controller may be
+ * capable of s4ecd4ed which would be listed
+ * in edac_ctl_cap, but if channels aren't
+ * capable of s4ecd4ed then the edac_cap would
+ * not have that capability.
+ */
unsigned long scrub_cap; /* chipset scrub capabilities */
enum scrub_type scrub_mode; /* current scrub mode */
@@ -324,7 +321,7 @@ 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;
@@ -356,67 +353,66 @@ struct mem_ctl_info {
struct completion kobj_complete;
};
-
-
/* 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)
+static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value,
+ u8 mask)
{
if (mask != 0xff) {
u8 buf;
+
pci_read_config_byte(pdev, offset, &buf);
value &= mask;
buf &= ~mask;
value |= buf;
}
+
pci_write_config_byte(pdev, offset, value);
}
-
/* write all or some bits in a word-register*/
static inline void pci_write_bits16(struct pci_dev *pdev, int offset,
- u16 value, u16 mask)
+ u16 value, u16 mask)
{
if (mask != 0xffff) {
u16 buf;
+
pci_read_config_word(pdev, offset, &buf);
value &= mask;
buf &= ~mask;
value |= buf;
}
+
pci_write_config_word(pdev, offset, value);
}
-
/* 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;
+
pci_read_config_dword(pdev, offset, &buf);
value &= mask;
buf &= ~mask;
value |= buf;
}
+
pci_write_config_dword(pdev, offset, value);
}
-
#ifdef CONFIG_EDAC_DEBUG
void edac_mc_dump_channel(struct channel_info *chan);
void edac_mc_dump_mci(struct mem_ctl_info *mci);
void edac_mc_dump_csrow(struct csrow_info *csrow);
-#endif /* CONFIG_EDAC_DEBUG */
+#endif /* CONFIG_EDAC_DEBUG */
extern int edac_mc_add_mc(struct mem_ctl_info *mci);
extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev);
-
extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
- unsigned long page);
-
-extern void edac_mc_scrub_block(unsigned long page,
- unsigned long offset, u32 size);
+ unsigned long page);
+extern void edac_mc_scrub_block(unsigned long page, unsigned long offset,
+ u32 size);
/*
* The no info errors are used when error overflows are reported.
@@ -429,31 +425,25 @@ extern void edac_mc_scrub_block(unsigned long page,
* 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);
+ const char *msg);
/*
* This kmalloc's and initializes all the structures.
* Can't be used if all structures don't have the same lifetime.
*/
-extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt,
- unsigned nr_csrows, unsigned nr_chans);
+extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows,
+ unsigned nr_chans);
/* Free an mc previously allocated by edac_mc_alloc() */
extern void edac_mc_free(struct mem_ctl_info *mci);
-
#endif /* _EDAC_MC_H_ */