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[PATCH] EDAC: printk cleanup
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This implements the following idea:

On Monday 30 January 2006 19:22, Eric W. Biederman wrote:
> One piece missing from this conversation is the issue that we need errors
> in a uniform format.  That is why edac_mc has helper functions.
>
> However there will always be errors that don't fit any particular model.
> Could we add a edac_printk(dev, );  That is similar to dev_printk but
> prints out an EDAC header and the device on which the error was found?
> Letting the rest of the string be user specified.
>
> For actual control that interface may be to blunt, but at least for people
> looking in the logs it allows all of the errors to be detected and
> harvested.

Signed-off-by: David S. Peterson <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Dave Peterson authored and Linus Torvalds committed Mar 26, 2006
1 parent f2fe42a commit 537fba2
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Showing 8 changed files with 275 additions and 240 deletions.
23 changes: 15 additions & 8 deletions drivers/edac/amd76x_edac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,14 @@
#include "edac_mc.h"


#define amd76x_printk(level, fmt, arg...) \
edac_printk(level, "amd76x", fmt, ##arg)


#define amd76x_mc_printk(mci, level, fmt, arg...) \
edac_mc_chipset_printk(mci, level, "amd76x", fmt, ##arg)


#define AMD76X_NR_CSROWS 8
#define AMD76X_NR_CHANS 1
#define AMD76X_NR_DIMMS 4
Expand Down Expand Up @@ -174,7 +182,7 @@ static int amd76x_process_error_info (struct mem_ctl_info *mci,
static void amd76x_check(struct mem_ctl_info *mci)
{
struct amd76x_error_info info;
debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);
amd76x_get_error_info(mci, &info);
amd76x_process_error_info(mci, &info, 1);
}
Expand Down Expand Up @@ -204,7 +212,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
u32 ems;
u32 ems_mode;

debugf0("MC: " __FILE__ ": %s()\n", __func__);
debugf0("%s()\n", __func__);

pci_read_config_dword(pdev, AMD76X_ECC_MODE_STATUS, &ems);
ems_mode = (ems >> 10) & 0x3;
Expand All @@ -216,7 +224,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
goto fail;
}

debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci);
debugf0("%s(): mci = %p\n", __func__, mci);

mci->pdev = pci_dev_get(pdev);
mci->mtype_cap = MEM_FLAG_RDDR;
Expand Down Expand Up @@ -267,13 +275,12 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
(u32) (0x3 << 8));

if (edac_mc_add_mc(mci)) {
debugf3("MC: " __FILE__
": %s(): failed edac_mc_add_mc()\n", __func__);
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
goto fail;
}

/* get this far and it's successful */
debugf3("MC: " __FILE__ ": %s(): success\n", __func__);
debugf3("%s(): success\n", __func__);
return 0;

fail:
Expand All @@ -289,7 +296,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx)
static int __devinit amd76x_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
debugf0("MC: " __FILE__ ": %s()\n", __func__);
debugf0("%s()\n", __func__);

/* don't need to call pci_device_enable() */
return amd76x_probe1(pdev, ent->driver_data);
Expand All @@ -309,7 +316,7 @@ static void __devexit amd76x_remove_one(struct pci_dev *pdev)
{
struct mem_ctl_info *mci;

debugf0(__FILE__ ": %s()\n", __func__);
debugf0("%s()\n", __func__);

if ((mci = edac_mc_find_mci_by_pdev(pdev)) == NULL)
return;
Expand Down
90 changes: 47 additions & 43 deletions drivers/edac/e752x_edac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,14 @@
#include "edac_mc.h"


#define e752x_printk(level, fmt, arg...) \
edac_printk(level, "e752x", fmt, ##arg)


#define e752x_mc_printk(mci, level, fmt, arg...) \
edac_mc_chipset_printk(mci, level, "e752x", fmt, ##arg)


#ifndef PCI_DEVICE_ID_INTEL_7520_0
#define PCI_DEVICE_ID_INTEL_7520_0 0x3590
#endif /* PCI_DEVICE_ID_INTEL_7520_0 */
Expand Down Expand Up @@ -215,7 +223,7 @@ static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci,
u32 remap;
struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;

debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);

if (page < pvt->tolm)
return page;
Expand All @@ -224,7 +232,7 @@ static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci,
remap = (page - pvt->tolm) + pvt->remapbase;
if (remap < pvt->remaplimit)
return remap;
printk(KERN_ERR "Invalid page %lx - out of range\n", page);
e752x_printk(KERN_ERR, "Invalid page %lx - out of range\n", page);
return pvt->tolm - 1;
}

Expand All @@ -237,7 +245,7 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
int i;
struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;

debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);

/* convert the addr to 4k page */
page = sec1_add >> (PAGE_SHIFT - 4);
Expand All @@ -246,24 +254,23 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
if (pvt->mc_symmetric) {
/* chip select are bits 14 & 13 */
row = ((page >> 1) & 3);
printk(KERN_WARNING
"Test row %d Table %d %d %d %d %d %d %d %d\n",
row, pvt->map[0], pvt->map[1], pvt->map[2],
pvt->map[3], pvt->map[4], pvt->map[5],
pvt->map[6], pvt->map[7]);
e752x_printk(KERN_WARNING,
"Test row %d Table %d %d %d %d %d %d %d %d\n",
row, pvt->map[0], pvt->map[1], pvt->map[2],
pvt->map[3], pvt->map[4], pvt->map[5],
pvt->map[6], pvt->map[7]);

/* test for channel remapping */
for (i = 0; i < 8; i++) {
if (pvt->map[i] == row)
break;
}
printk(KERN_WARNING "Test computed row %d\n", i);
e752x_printk(KERN_WARNING, "Test computed row %d\n", i);
if (i < 8)
row = i;
else
printk(KERN_WARNING
"MC%d: row %d not found in remap table\n",
mci->mc_idx, row);
e752x_mc_printk(mci, KERN_WARNING,
"row %d not found in remap table\n", row);
} else
row = edac_mc_find_csrow_by_page(mci, page);
/* 0 = channel A, 1 = channel B */
Expand Down Expand Up @@ -293,7 +300,7 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one, u32 ded_add,
int row;
struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;

debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);

if (error_one & 0x0202) {
error_2b = ded_add;
Expand Down Expand Up @@ -336,7 +343,7 @@ static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
if (!handle_error)
return;

debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);
edac_mc_handle_ue_no_info(mci, "e752x UE log memory write");
}

Expand All @@ -352,9 +359,9 @@ static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error,
row = pvt->mc_symmetric ?
((page >> 1) & 3) : /* chip select are bits 14 & 13 */
edac_mc_find_csrow_by_page(mci, page);
printk(KERN_WARNING
"MC%d: CE page 0x%lx, row %d : Memory read retry\n",
mci->mc_idx, (long unsigned int) page, row);
e752x_mc_printk(mci, KERN_WARNING,
"CE page 0x%lx, row %d : Memory read retry\n",
(long unsigned int) page, row);
}

static inline void process_ded_retry(struct mem_ctl_info *mci, u16 error,
Expand All @@ -372,8 +379,7 @@ static inline void process_threshold_ce(struct mem_ctl_info *mci, u16 error,
*error_found = 1;

if (handle_error)
printk(KERN_WARNING "MC%d: Memory threshold CE\n",
mci->mc_idx);
e752x_mc_printk(mci, KERN_WARNING, "Memory threshold CE\n");
}

static char *global_message[11] = {
Expand All @@ -391,7 +397,7 @@ static void do_global_error(int fatal, u32 errors)

for (i = 0; i < 11; i++) {
if (errors & (1 << i))
printk(KERN_WARNING "%sError %s\n",
e752x_printk(KERN_WARNING, "%sError %s\n",
fatal_message[fatal], global_message[i]);
}
}
Expand All @@ -418,7 +424,7 @@ static void do_hub_error(int fatal, u8 errors)

for (i = 0; i < 7; i++) {
if (errors & (1 << i))
printk(KERN_WARNING "%sError %s\n",
e752x_printk(KERN_WARNING, "%sError %s\n",
fatal_message[fatal], hub_message[i]);
}
}
Expand All @@ -445,7 +451,7 @@ static void do_membuf_error(u8 errors)

for (i = 0; i < 4; i++) {
if (errors & (1 << i))
printk(KERN_WARNING "Non-Fatal Error %s\n",
e752x_printk(KERN_WARNING, "Non-Fatal Error %s\n",
membuf_message[i]);
}
}
Expand Down Expand Up @@ -478,7 +484,7 @@ static void do_sysbus_error(int fatal, u32 errors)

for (i = 0; i < 10; i++) {
if (errors & (1 << i))
printk(KERN_WARNING "%sError System Bus %s\n",
e752x_printk(KERN_WARNING, "%sError System Bus %s\n",
fatal_message[fatal], global_message[i]);
}
}
Expand Down Expand Up @@ -727,7 +733,7 @@ static int e752x_process_error_info (struct mem_ctl_info *mci,
static void e752x_check(struct mem_ctl_info *mci)
{
struct e752x_error_info info;
debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);
e752x_get_error_info(mci, &info);
e752x_process_error_info(mci, &info, 1);
}
Expand All @@ -752,7 +758,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
struct pci_dev *pres_dev;
struct pci_dev *dev = NULL;

debugf0("MC: " __FILE__ ": %s(): mci\n", __func__);
debugf0("%s(): mci\n", __func__);
debugf0("Starting Probe1\n");

/* enable device 0 function 1 */
Expand All @@ -776,7 +782,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
goto fail;
}

debugf3("MC: " __FILE__ ": %s(): init mci\n", __func__);
debugf3("%s(): init mci\n", __func__);

mci->mtype_cap = MEM_FLAG_RDDR;
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED |
Expand All @@ -786,7 +792,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
mci->mod_ver = "$Revision: 1.5.2.11 $";
mci->pdev = pdev;

debugf3("MC: " __FILE__ ": %s(): init pvt\n", __func__);
debugf3("%s(): init pvt\n", __func__);
pvt = (struct e752x_pvt *) mci->pvt_info;
pvt->dev_info = &e752x_devs[dev_idx];
pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL,
Expand All @@ -796,14 +802,14 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
pvt->bridge_ck = pci_scan_single_device(pdev->bus,
PCI_DEVFN(0, 1));
if (pvt->bridge_ck == NULL) {
printk(KERN_ERR "MC: error reporting device not found:"
e752x_printk(KERN_ERR, "error reporting device not found:"
"vendor %x device 0x%x (broken BIOS?)\n",
PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev);
goto fail;
}
pvt->mc_symmetric = ((ddrcsr & 0x10) != 0);

debugf3("MC: " __FILE__ ": %s(): more mci init\n", __func__);
debugf3("%s(): more mci init\n", __func__);
mci->ctl_name = pvt->dev_info->ctl_name;
mci->edac_check = e752x_check;
mci->ctl_page_to_phys = ctl_page_to_phys;
Expand All @@ -828,8 +834,8 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
pci_read_config_byte(mci->pdev, E752X_DRB + index, &value);
/* convert a 128 or 64 MiB DRB to a page size. */
cumul_size = value << (25 + drc_drbg - PAGE_SHIFT);
debugf3("MC: " __FILE__ ": %s(): (%d) cumul_size 0x%x\n",
__func__, index, cumul_size);
debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index,
cumul_size);
if (cumul_size == last_cumul_size)
continue; /* not populated */

Expand Down Expand Up @@ -897,22 +903,20 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)

mci->edac_cap |= EDAC_FLAG_NONE;

debugf3("MC: " __FILE__ ": %s(): tolm, remapbase, remaplimit\n",
__func__);
debugf3("%s(): tolm, remapbase, remaplimit\n", __func__);
/* load the top of low memory, remap base, and remap limit vars */
pci_read_config_word(mci->pdev, E752X_TOLM, &pci_data);
pvt->tolm = ((u32) pci_data) << 4;
pci_read_config_word(mci->pdev, E752X_REMAPBASE, &pci_data);
pvt->remapbase = ((u32) pci_data) << 14;
pci_read_config_word(mci->pdev, E752X_REMAPLIMIT, &pci_data);
pvt->remaplimit = ((u32) pci_data) << 14;
printk("tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm,
pvt->remapbase, pvt->remaplimit);
e752x_printk(KERN_INFO,
"tolm = %x, remapbase = %x, remaplimit = %x\n",
pvt->tolm, pvt->remapbase, pvt->remaplimit);

if (edac_mc_add_mc(mci)) {
debugf3("MC: " __FILE__
": %s(): failed edac_mc_add_mc()\n",
__func__);
debugf3("%s(): failed edac_mc_add_mc()\n", __func__);
goto fail;
}

Expand Down Expand Up @@ -975,7 +979,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
pci_write_config_word(dev, E752X_DRAM_NERR, stat16);

/* get this far and it's successful */
debugf3("MC: " __FILE__ ": %s(): success\n", __func__);
debugf3("%s(): success\n", __func__);
return 0;

fail:
Expand All @@ -995,7 +999,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
static int __devinit e752x_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
debugf0("MC: " __FILE__ ": %s()\n", __func__);
debugf0("%s()\n", __func__);

/* wake up and enable device */
if(pci_enable_device(pdev) < 0)
Expand All @@ -1009,7 +1013,7 @@ static void __devexit e752x_remove_one(struct pci_dev *pdev)
struct mem_ctl_info *mci;
struct e752x_pvt *pvt;

debugf0(__FILE__ ": %s()\n", __func__);
debugf0("%s()\n", __func__);

if ((mci = edac_mc_find_mci_by_pdev(pdev)) == NULL)
return;
Expand Down Expand Up @@ -1050,15 +1054,15 @@ static int __init e752x_init(void)
{
int pci_rc;

debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);
pci_rc = pci_register_driver(&e752x_driver);
return (pci_rc < 0) ? pci_rc : 0;
}


static void __exit e752x_exit(void)
{
debugf3("MC: " __FILE__ ": %s()\n", __func__);
debugf3("%s()\n", __func__);
pci_unregister_driver(&e752x_driver);
}

Expand Down
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