i7300_edac: Add support for reporting FBD errors
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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15154c57c6
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57021918aa
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@ -161,6 +161,63 @@ static const char *numcol_toString[] = {
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/************************************************
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* i7300 Register definitions for error detection
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************************************************/
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/*
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* Device 16.1: FBD Error Registers
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*/
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#define FERR_FAT_FBD 0x98
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static const char *ferr_fat_fbd_name[] = {
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[22] = "Non-Redundant Fast Reset Timeout",
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[2] = ">Tmid Thermal event with intelligent throttling disabled",
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[1] = "Memory or FBD configuration CRC read error",
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[0] = "Memory Write error on non-redundant retry or "
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"FBD configuration Write error on retry",
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};
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#define GET_FBD_FAT_IDX(fbderr) (fbderr & (3 << 28))
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#define FERR_FAT_FBD_ERR_MASK ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3))
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#define FERR_NF_FBD 0xa0
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static const char *ferr_nf_fbd_name[] = {
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[24] = "DIMM-Spare Copy Completed",
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[23] = "DIMM-Spare Copy Initiated",
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[22] = "Redundant Fast Reset Timeout",
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[21] = "Memory Write error on redundant retry",
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[18] = "SPD protocol Error",
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[17] = "FBD Northbound parity error on FBD Sync Status",
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[16] = "Correctable Patrol Data ECC",
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[15] = "Correctable Resilver- or Spare-Copy Data ECC",
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[14] = "Correctable Mirrored Demand Data ECC",
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[13] = "Correctable Non-Mirrored Demand Data ECC",
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[11] = "Memory or FBD configuration CRC read error",
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[10] = "FBD Configuration Write error on first attempt",
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[9] = "Memory Write error on first attempt",
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[8] = "Non-Aliased Uncorrectable Patrol Data ECC",
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[7] = "Non-Aliased Uncorrectable Resilver- or Spare-Copy Data ECC",
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[6] = "Non-Aliased Uncorrectable Mirrored Demand Data ECC",
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[5] = "Non-Aliased Uncorrectable Non-Mirrored Demand Data ECC",
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[4] = "Aliased Uncorrectable Patrol Data ECC",
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[3] = "Aliased Uncorrectable Resilver- or Spare-Copy Data ECC",
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[2] = "Aliased Uncorrectable Mirrored Demand Data ECC",
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[1] = "Aliased Uncorrectable Non-Mirrored Demand Data ECC",
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[0] = "Uncorrectable Data ECC on Replay",
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};
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#define GET_FBD_NF_IDX(fbderr) (fbderr & (3 << 28))
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#define FERR_NF_FBD_ERR_MASK ((1 << 24) | (1 << 23) | (1 << 22) | (1 << 21) |\
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(1 << 18) | (1 << 17) | (1 << 16) | (1 << 15) |\
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(1 << 14) | (1 << 13) | (1 << 11) | (1 << 10) |\
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(1 << 9) | (1 << 8) | (1 << 7) | (1 << 6) |\
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(1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) |\
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(1 << 1) | (1 << 0))
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#define EMASK_FBD 0xa8
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#define EMASK_FBD_ERR_MASK ((1 << 27) | (1 << 26) | (1 << 25) | (1 << 24) |\
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(1 << 22) | (1 << 21) | (1 << 20) | (1 << 19) |\
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(1 << 18) | (1 << 17) | (1 << 16) | (1 << 14) |\
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(1 << 13) | (1 << 12) | (1 << 11) | (1 << 10) |\
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(1 << 9) | (1 << 8) | (1 << 7) | (1 << 6) |\
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(1 << 5) | (1 << 4) | (1 << 3) | (1 << 2) |\
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(1 << 1) | (1 << 0))
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/*
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* Device 16.2: Global Error Registers
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*/
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@ -338,6 +395,61 @@ error_global:
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is_fatal ? "Fatal" : "NOT fatal", specific);
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}
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/*
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* i7300_process_fbd_error Retrieve the hardware error information from
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* the hardware and cache it in the 'info'
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* structure
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*/
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static void i7300_process_fbd_error(struct mem_ctl_info *mci,
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struct i7300_error_info *info)
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{
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struct i7300_pvt *pvt;
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u32 errnum, value;
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int branch;
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unsigned long errors;
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const char *specific;
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bool is_fatal;
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pvt = mci->pvt_info;
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/* read in the 1st FATAL error register */
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pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
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FERR_FAT_FBD, &value);
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if (unlikely(value & FERR_FAT_FBD_ERR_MASK)) {
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errors = value & FERR_FAT_FBD_ERR_MASK ;
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errnum = find_first_bit(&errors,
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ARRAY_SIZE(ferr_fat_fbd_name));
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specific = GET_ERR_FROM_TABLE(ferr_fat_fbd_name, errnum);
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is_fatal = 1;
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branch = (GET_FBD_FAT_IDX(value) == 2) ? 1 : 0;
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goto error_fbd;
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}
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/* read in the 1st NON-FATAL error register */
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pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
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FERR_NF_FBD, &value);
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if (unlikely(value & FERR_NF_FBD_ERR_MASK)) {
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errors = value & FERR_NF_FBD_ERR_MASK;
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errnum = find_first_bit(&errors,
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ARRAY_SIZE(ferr_nf_fbd_name));
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specific = GET_ERR_FROM_TABLE(ferr_nf_fbd_name, errnum);
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is_fatal = 0;
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/* Clear the error bit */
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pci_write_config_dword(pvt->pci_dev_16_2_fsb_err_regs,
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FERR_GLOBAL_LO, value);
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goto error_fbd;
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}
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return;
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error_fbd:
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i7300_mc_printk(mci, KERN_EMERG, "%s FBD error on branch %d: %s\n",
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is_fatal ? "Fatal" : "NOT fatal", branch, specific);
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}
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/*
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* i7300_process_error_info Retrieve the hardware error information from
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* the hardware and cache it in the 'info'
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@ -347,6 +459,7 @@ static void i7300_process_error_info(struct mem_ctl_info *mci,
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struct i7300_error_info *info)
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{
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i7300_process_error_global(mci, info);
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i7300_process_fbd_error(mci, info);
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};
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/*
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@ -381,6 +494,18 @@ static void i7300_check_error(struct mem_ctl_info *mci)
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*/
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static void i7300_enable_error_reporting(struct mem_ctl_info *mci)
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{
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struct i7300_pvt *pvt = mci->pvt_info;
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u32 fbd_error_mask;
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/* Read the FBD Error Mask Register */
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pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
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EMASK_FBD, &fbd_error_mask);
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/* Enable with a '0' */
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fbd_error_mask &= ~(EMASK_FBD_ERR_MASK);
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pci_write_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
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EMASK_FBD, fbd_error_mask);
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}
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/************************************************
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