diff options
Diffstat (limited to 'drivers/edac/amd64_edac.c')
-rw-r--r-- | drivers/edac/amd64_edac.c | 200 |
1 files changed, 111 insertions, 89 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 7ef73c919c5d..7be9b7288e90 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -715,25 +715,6 @@ static inline u64 input_addr_to_sys_addr(struct mem_ctl_info *mci, input_addr_to_dram_addr(mci, input_addr)); } -/* - * Find the minimum and maximum InputAddr values that map to the given @csrow. - * Pass back these values in *input_addr_min and *input_addr_max. - */ -static void find_csrow_limits(struct mem_ctl_info *mci, int csrow, - u64 *input_addr_min, u64 *input_addr_max) -{ - struct amd64_pvt *pvt; - u64 base, mask; - - pvt = mci->pvt_info; - BUG_ON((csrow < 0) || (csrow >= pvt->csels[0].b_cnt)); - - get_cs_base_and_mask(pvt, csrow, 0, &base, &mask); - - *input_addr_min = base & ~mask; - *input_addr_max = base | mask; -} - /* Map the Error address to a PAGE and PAGE OFFSET. */ static inline void error_address_to_page_and_offset(u64 error_address, u32 *page, u32 *offset) @@ -1058,6 +1039,37 @@ static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, int channel, csrow; u32 page, offset; + error_address_to_page_and_offset(sys_addr, &page, &offset); + + /* + * Find out which node the error address belongs to. This may be + * different from the node that detected the error. + */ + src_mci = find_mc_by_sys_addr(mci, sys_addr); + if (!src_mci) { + amd64_mc_err(mci, "failed to map error addr 0x%lx to a node\n", + (unsigned long)sys_addr); + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + page, offset, syndrome, + -1, -1, -1, + EDAC_MOD_STR, + "failed to map error addr to a node", + NULL); + return; + } + + /* Now map the sys_addr to a CSROW */ + csrow = sys_addr_to_csrow(src_mci, sys_addr); + if (csrow < 0) { + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + page, offset, syndrome, + -1, -1, -1, + EDAC_MOD_STR, + "failed to map error addr to a csrow", + NULL); + return; + } + /* CHIPKILL enabled */ if (pvt->nbcfg & NBCFG_CHIPKILL) { channel = get_channel_from_ecc_syndrome(mci, syndrome); @@ -1067,9 +1079,15 @@ static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, * 2 DIMMs is in error. So we need to ID 'both' of them * as suspect. */ - amd64_mc_warn(mci, "unknown syndrome 0x%04x - possible " - "error reporting race\n", syndrome); - edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR); + amd64_mc_warn(src_mci, "unknown syndrome 0x%04x - " + "possible error reporting race\n", + syndrome); + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + page, offset, syndrome, + csrow, -1, -1, + EDAC_MOD_STR, + "unknown syndrome - possible error reporting race", + NULL); return; } } else { @@ -1084,28 +1102,10 @@ static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, channel = ((sys_addr & BIT(3)) != 0); } - /* - * Find out which node the error address belongs to. This may be - * different from the node that detected the error. - */ - src_mci = find_mc_by_sys_addr(mci, sys_addr); - if (!src_mci) { - amd64_mc_err(mci, "failed to map error addr 0x%lx to a node\n", - (unsigned long)sys_addr); - edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR); - return; - } - - /* Now map the sys_addr to a CSROW */ - csrow = sys_addr_to_csrow(src_mci, sys_addr); - if (csrow < 0) { - edac_mc_handle_ce_no_info(src_mci, EDAC_MOD_STR); - } else { - error_address_to_page_and_offset(sys_addr, &page, &offset); - - edac_mc_handle_ce(src_mci, page, offset, syndrome, csrow, - channel, EDAC_MOD_STR); - } + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, src_mci, + page, offset, syndrome, + csrow, channel, -1, + EDAC_MOD_STR, "", NULL); } static int ddr2_cs_size(unsigned i, bool dct_width) @@ -1611,15 +1611,20 @@ static void f1x_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, u32 page, offset; int nid, csrow, chan = 0; + error_address_to_page_and_offset(sys_addr, &page, &offset); + csrow = f1x_translate_sysaddr_to_cs(pvt, sys_addr, &nid, &chan); if (csrow < 0) { - edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + page, offset, syndrome, + -1, -1, -1, + EDAC_MOD_STR, + "failed to map error addr to a csrow", + NULL); return; } - error_address_to_page_and_offset(sys_addr, &page, &offset); - /* * We need the syndromes for channel detection only when we're * ganged. Otherwise @chan should already contain the channel at @@ -1628,16 +1633,10 @@ static void f1x_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, if (dct_ganging_enabled(pvt)) chan = get_channel_from_ecc_syndrome(mci, syndrome); - if (chan >= 0) - edac_mc_handle_ce(mci, page, offset, syndrome, csrow, chan, - EDAC_MOD_STR); - else - /* - * Channel unknown, report all channels on this CSROW as failed. - */ - for (chan = 0; chan < mci->csrows[csrow].nr_channels; chan++) - edac_mc_handle_ce(mci, page, offset, syndrome, - csrow, chan, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + page, offset, syndrome, + csrow, chan, -1, + EDAC_MOD_STR, "", NULL); } /* @@ -1918,7 +1917,12 @@ static void amd64_handle_ce(struct mem_ctl_info *mci, struct mce *m) /* Ensure that the Error Address is VALID */ if (!(m->status & MCI_STATUS_ADDRV)) { amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n"); - edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, + 0, 0, 0, + -1, -1, -1, + EDAC_MOD_STR, + "HW has no ERROR_ADDRESS available", + NULL); return; } @@ -1942,11 +1946,17 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, struct mce *m) if (!(m->status & MCI_STATUS_ADDRV)) { amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n"); - edac_mc_handle_ue_no_info(log_mci, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, + 0, 0, 0, + -1, -1, -1, + EDAC_MOD_STR, + "HW has no ERROR_ADDRESS available", + NULL); return; } sys_addr = get_error_address(m); + error_address_to_page_and_offset(sys_addr, &page, &offset); /* * Find out which node the error address belongs to. This may be @@ -1956,7 +1966,11 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, struct mce *m) if (!src_mci) { amd64_mc_err(mci, "ERROR ADDRESS (0x%lx) NOT mapped to a MC\n", (unsigned long)sys_addr); - edac_mc_handle_ue_no_info(log_mci, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, + page, offset, 0, + -1, -1, -1, + EDAC_MOD_STR, + "ERROR ADDRESS NOT mapped to a MC", NULL); return; } @@ -1966,10 +1980,17 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, struct mce *m) if (csrow < 0) { amd64_mc_err(mci, "ERROR_ADDRESS (0x%lx) NOT mapped to CS\n", (unsigned long)sys_addr); - edac_mc_handle_ue_no_info(log_mci, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, + page, offset, 0, + -1, -1, -1, + EDAC_MOD_STR, + "ERROR ADDRESS NOT mapped to CS", + NULL); } else { - error_address_to_page_and_offset(sys_addr, &page, &offset); - edac_mc_handle_ue(log_mci, page, offset, csrow, EDAC_MOD_STR); + edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, + page, offset, 0, + csrow, -1, -1, + EDAC_MOD_STR, "", NULL); } } @@ -2171,7 +2192,7 @@ static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr) nr_pages = pvt->ops->dbam_to_cs(pvt, dct, cs_mode) << (20 - PAGE_SHIFT); debugf0(" (csrow=%d) DBAM map index= %d\n", csrow_nr, cs_mode); - debugf0(" nr_pages= %u channel-count = %d\n", + debugf0(" nr_pages/channel= %u channel-count = %d\n", nr_pages, pvt->channel_count); return nr_pages; @@ -2185,9 +2206,12 @@ static int init_csrows(struct mem_ctl_info *mci) { struct csrow_info *csrow; struct amd64_pvt *pvt = mci->pvt_info; - u64 input_addr_min, input_addr_max, sys_addr, base, mask; + u64 base, mask; u32 val; - int i, empty = 1; + int i, j, empty = 1; + enum mem_type mtype; + enum edac_type edac_mode; + int nr_pages = 0; amd64_read_pci_cfg(pvt->F3, NBCFG, &val); @@ -2211,41 +2235,32 @@ static int init_csrows(struct mem_ctl_info *mci) empty = 0; if (csrow_enabled(i, 0, pvt)) - csrow->nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + nr_pages = amd64_csrow_nr_pages(pvt, 0, i); if (csrow_enabled(i, 1, pvt)) - csrow->nr_pages += amd64_csrow_nr_pages(pvt, 1, i); - find_csrow_limits(mci, i, &input_addr_min, &input_addr_max); - sys_addr = input_addr_to_sys_addr(mci, input_addr_min); - csrow->first_page = (u32) (sys_addr >> PAGE_SHIFT); - sys_addr = input_addr_to_sys_addr(mci, input_addr_max); - csrow->last_page = (u32) (sys_addr >> PAGE_SHIFT); + nr_pages += amd64_csrow_nr_pages(pvt, 1, i); get_cs_base_and_mask(pvt, i, 0, &base, &mask); - csrow->page_mask = ~mask; /* 8 bytes of resolution */ - csrow->mtype = amd64_determine_memory_type(pvt, i); + mtype = amd64_determine_memory_type(pvt, i); debugf1(" for MC node %d csrow %d:\n", pvt->mc_node_id, i); - debugf1(" input_addr_min: 0x%lx input_addr_max: 0x%lx\n", - (unsigned long)input_addr_min, - (unsigned long)input_addr_max); - debugf1(" sys_addr: 0x%lx page_mask: 0x%lx\n", - (unsigned long)sys_addr, csrow->page_mask); - debugf1(" nr_pages: %u first_page: 0x%lx " - "last_page: 0x%lx\n", - (unsigned)csrow->nr_pages, - csrow->first_page, csrow->last_page); + debugf1(" nr_pages: %u\n", nr_pages * pvt->channel_count); /* * determine whether CHIPKILL or JUST ECC or NO ECC is operating */ if (pvt->nbcfg & NBCFG_ECC_ENABLE) - csrow->edac_mode = - (pvt->nbcfg & NBCFG_CHIPKILL) ? - EDAC_S4ECD4ED : EDAC_SECDED; + edac_mode = (pvt->nbcfg & NBCFG_CHIPKILL) ? + EDAC_S4ECD4ED : EDAC_SECDED; else - csrow->edac_mode = EDAC_NONE; + edac_mode = EDAC_NONE; + + for (j = 0; j < pvt->channel_count; j++) { + csrow->channels[j].dimm->mtype = mtype; + csrow->channels[j].dimm->edac_mode = edac_mode; + csrow->channels[j].dimm->nr_pages = nr_pages; + } } return empty; @@ -2540,6 +2555,7 @@ static int amd64_init_one_instance(struct pci_dev *F2) struct amd64_pvt *pvt = NULL; struct amd64_family_type *fam_type = NULL; struct mem_ctl_info *mci = NULL; + struct edac_mc_layer layers[2]; int err = 0, ret; u8 nid = get_node_id(F2); @@ -2574,7 +2590,13 @@ static int amd64_init_one_instance(struct pci_dev *F2) goto err_siblings; ret = -ENOMEM; - mci = edac_mc_alloc(0, pvt->csels[0].b_cnt, pvt->channel_count, nid); + layers[0].type = EDAC_MC_LAYER_CHIP_SELECT; + layers[0].size = pvt->csels[0].b_cnt; + layers[0].is_virt_csrow = true; + layers[1].type = EDAC_MC_LAYER_CHANNEL; + layers[1].size = pvt->channel_count; + layers[1].is_virt_csrow = false; + mci = edac_mc_alloc(nid, ARRAY_SIZE(layers), layers, 0); if (!mci) goto err_siblings; |