diff options
Diffstat (limited to 'drivers/edac/e752x_edac.c')
| -rw-r--r-- | drivers/edac/e752x_edac.c | 59 |
1 files changed, 42 insertions, 17 deletions
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c index c94a0eb492cb..facfdb1fa71c 100644 --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -28,6 +28,7 @@ #define E752X_REVISION " Ver: 2.0.2 " __DATE__ #define EDAC_MOD_STR "e752x_edac" +static int report_non_memory_errors; static int force_function_unhide; static int sysbus_parity = -1; @@ -117,7 +118,7 @@ static struct edac_pci_ctl_info *e752x_pci; #define E752X_BUF_FERR 0x70 /* Memory buffer first error reg (8b) */ #define E752X_BUF_NERR 0x72 /* Memory buffer next error reg (8b) */ #define E752X_BUF_ERRMASK 0x74 /* Memory buffer error mask reg (8b) */ -#define E752X_BUF_SMICMD 0x7A /* Memory buffer SMI command reg (8b) */ +#define E752X_BUF_SMICMD 0x7A /* Memory buffer SMI cmd reg (8b) */ #define E752X_DRAM_FERR 0x80 /* DRAM first error register (16b) */ #define E752X_DRAM_NERR 0x82 /* DRAM next error register (16b) */ #define E752X_DRAM_ERRMASK 0x84 /* DRAM error mask register (8b) */ @@ -127,7 +128,7 @@ static struct edac_pci_ctl_info *e752x_pci; /* error address register (32b) */ /* * 31 Reserved - * 30:2 CE address (64 byte block 34:6) + * 30:2 CE address (64 byte block 34:6 * 1 Reserved * 0 HiLoCS */ @@ -147,11 +148,11 @@ static struct edac_pci_ctl_info *e752x_pci; * 1 Reserved * 0 HiLoCS */ -#define E752X_DRAM_SCRB_ADD 0xA8 /* DRAM first uncorrectable scrub memory */ +#define E752X_DRAM_SCRB_ADD 0xA8 /* DRAM 1st uncorrectable scrub mem */ /* error address register (32b) */ /* * 31 Reserved - * 30:2 CE address (64 byte block 34:6) + * 30:2 CE address (64 byte block 34:6 * 1 Reserved * 0 HiLoCS */ @@ -394,9 +395,12 @@ static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error, struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info; error_1b = retry_add; - page = error_1b >> (PAGE_SHIFT - 4); /* convert the addr to 4k page */ - row = pvt->mc_symmetric ? ((page >> 1) & 3) : /* chip select are bits 14 & 13 */ + page = error_1b >> (PAGE_SHIFT - 4); /* convert the addr to 4k page */ + + /* chip select are bits 14 & 13 */ + row = pvt->mc_symmetric ? ((page >> 1) & 3) : edac_mc_find_csrow_by_page(mci, page); + e752x_mc_printk(mci, KERN_WARNING, "CE page 0x%lx, row %d : Memory read retry\n", (long unsigned int)page, row); @@ -422,12 +426,21 @@ static inline void process_threshold_ce(struct mem_ctl_info *mci, u16 error, } static char *global_message[11] = { - "PCI Express C1", "PCI Express C", "PCI Express B1", - "PCI Express B", "PCI Express A1", "PCI Express A", - "DMA Controler", "HUB or NS Interface", "System Bus", - "DRAM Controler", "Internal Buffer" + "PCI Express C1", + "PCI Express C", + "PCI Express B1", + "PCI Express B", + "PCI Express A1", + "PCI Express A", + "DMA Controller", + "HUB or NS Interface", + "System Bus", + "DRAM Controller", /* 9th entry */ + "Internal Buffer" }; +#define DRAM_ENTRY 9 + static char *fatal_message[2] = { "Non-Fatal ", "Fatal " }; static void do_global_error(int fatal, u32 errors) @@ -435,9 +448,16 @@ static void do_global_error(int fatal, u32 errors) int i; for (i = 0; i < 11; i++) { - if (errors & (1 << i)) - e752x_printk(KERN_WARNING, "%sError %s\n", - fatal_message[fatal], global_message[i]); + if (errors & (1 << i)) { + /* If the error is from DRAM Controller OR + * we are to report ALL errors, then + * report the error + */ + if ((i == DRAM_ENTRY) || report_non_memory_errors) + e752x_printk(KERN_WARNING, "%sError %s\n", + fatal_message[fatal], + global_message[i]); + } } } @@ -1021,7 +1041,7 @@ static int e752x_get_devs(struct pci_dev *pdev, int dev_idx, struct pci_dev *dev; pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, - pvt->dev_info->err_dev, pvt->bridge_ck); + pvt->dev_info->err_dev, pvt->bridge_ck); if (pvt->bridge_ck == NULL) pvt->bridge_ck = pci_scan_single_device(pdev->bus, @@ -1034,8 +1054,9 @@ static int e752x_get_devs(struct pci_dev *pdev, int dev_idx, return 1; } - dev = pci_get_device(PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].ctl_dev, - NULL); + dev = pci_get_device(PCI_VENDOR_ID_INTEL, + e752x_devs[dev_idx].ctl_dev, + NULL); if (dev == NULL) goto fail; @@ -1316,7 +1337,8 @@ MODULE_DESCRIPTION("MC support for Intel e752x/3100 memory controllers"); module_param(force_function_unhide, int, 0444); MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:" - " 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access"); + " 1=force unhide and hope BIOS doesn't fight driver for " + "Dev0:Fun1 access"); module_param(edac_op_state, int, 0444); MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); @@ -1324,3 +1346,6 @@ MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); module_param(sysbus_parity, int, 0444); MODULE_PARM_DESC(sysbus_parity, "0=disable system bus parity checking," " 1=enable system bus parity checking, default=auto-detect"); +module_param(report_non_memory_errors, int, 0644); +MODULE_PARM_DESC(report_non_memory_errors, "0=disable non-memory error " + "reporting, 1=enable non-memory error reporting"); |