diff options
Diffstat (limited to 'drivers/edac/amd64_edac.c')
-rw-r--r-- | drivers/edac/amd64_edac.c | 118 |
1 files changed, 56 insertions, 62 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 568e97fc148..98e14ee4833 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1,7 +1,7 @@ #include "amd64_edac.h" #include <asm/amd_nb.h> -static struct edac_pci_ctl_info *amd64_ctl_pci; +static struct edac_pci_ctl_info *pci_ctl; static int report_gart_errors; module_param(report_gart_errors, int, 0644); @@ -162,7 +162,7 @@ static int f15_read_dct_pci_cfg(struct amd64_pvt *pvt, int addr, u32 *val, * scan the scrub rate mapping table for a close or matching bandwidth value to * issue. If requested is too big, then use last maximum value found. */ -static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate) +static int __set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate) { u32 scrubval; int i; @@ -198,7 +198,7 @@ static int __amd64_set_scrub_rate(struct pci_dev *ctl, u32 new_bw, u32 min_rate) return 0; } -static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw) +static int set_scrub_rate(struct mem_ctl_info *mci, u32 bw) { struct amd64_pvt *pvt = mci->pvt_info; u32 min_scrubrate = 0x5; @@ -210,10 +210,10 @@ static int amd64_set_scrub_rate(struct mem_ctl_info *mci, u32 bw) if (pvt->fam == 0x15 && pvt->model < 0x10) f15h_select_dct(pvt, 0); - return __amd64_set_scrub_rate(pvt->F3, bw, min_scrubrate); + return __set_scrub_rate(pvt->F3, bw, min_scrubrate); } -static int amd64_get_scrub_rate(struct mem_ctl_info *mci) +static int get_scrub_rate(struct mem_ctl_info *mci) { struct amd64_pvt *pvt = mci->pvt_info; u32 scrubval = 0; @@ -240,8 +240,7 @@ static int amd64_get_scrub_rate(struct mem_ctl_info *mci) * returns true if the SysAddr given by sys_addr matches the * DRAM base/limit associated with node_id */ -static bool amd64_base_limit_match(struct amd64_pvt *pvt, u64 sys_addr, - u8 nid) +static bool base_limit_match(struct amd64_pvt *pvt, u64 sys_addr, u8 nid) { u64 addr; @@ -285,7 +284,7 @@ static struct mem_ctl_info *find_mc_by_sys_addr(struct mem_ctl_info *mci, if (intlv_en == 0) { for (node_id = 0; node_id < DRAM_RANGES; node_id++) { - if (amd64_base_limit_match(pvt, sys_addr, node_id)) + if (base_limit_match(pvt, sys_addr, node_id)) goto found; } goto err_no_match; @@ -309,7 +308,7 @@ static struct mem_ctl_info *find_mc_by_sys_addr(struct mem_ctl_info *mci, } /* sanity test for sys_addr */ - if (unlikely(!amd64_base_limit_match(pvt, sys_addr, node_id))) { + if (unlikely(!base_limit_match(pvt, sys_addr, node_id))) { amd64_warn("%s: sys_addr 0x%llx falls outside base/limit address" "range for node %d with node interleaving enabled.\n", __func__, sys_addr, node_id); @@ -660,7 +659,7 @@ static int get_channel_from_ecc_syndrome(struct mem_ctl_info *, u16); * Determine if the DIMMs have ECC enabled. ECC is enabled ONLY if all the DIMMs * are ECC capable. */ -static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt) +static unsigned long determine_edac_cap(struct amd64_pvt *pvt) { u8 bit; unsigned long edac_cap = EDAC_FLAG_NONE; @@ -675,9 +674,9 @@ static unsigned long amd64_determine_edac_cap(struct amd64_pvt *pvt) return edac_cap; } -static void amd64_debug_display_dimm_sizes(struct amd64_pvt *, u8); +static void debug_display_dimm_sizes(struct amd64_pvt *, u8); -static void amd64_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan) +static void debug_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan) { edac_dbg(1, "F2x%d90 (DRAM Cfg Low): 0x%08x\n", chan, dclr); @@ -711,7 +710,7 @@ static void dump_misc_regs(struct amd64_pvt *pvt) (pvt->nbcap & NBCAP_SECDED) ? "yes" : "no", (pvt->nbcap & NBCAP_CHIPKILL) ? "yes" : "no"); - amd64_dump_dramcfg_low(pvt, pvt->dclr0, 0); + debug_dump_dramcfg_low(pvt, pvt->dclr0, 0); edac_dbg(1, "F3xB0 (Online Spare): 0x%08x\n", pvt->online_spare); @@ -722,19 +721,19 @@ static void dump_misc_regs(struct amd64_pvt *pvt) edac_dbg(1, " DramHoleValid: %s\n", dhar_valid(pvt) ? "yes" : "no"); - amd64_debug_display_dimm_sizes(pvt, 0); + debug_display_dimm_sizes(pvt, 0); /* everything below this point is Fam10h and above */ if (pvt->fam == 0xf) return; - amd64_debug_display_dimm_sizes(pvt, 1); + debug_display_dimm_sizes(pvt, 1); amd64_info("using %s syndromes.\n", ((pvt->ecc_sym_sz == 8) ? "x8" : "x4")); /* Only if NOT ganged does dclr1 have valid info */ if (!dct_ganging_enabled(pvt)) - amd64_dump_dramcfg_low(pvt, pvt->dclr1, 1); + debug_dump_dramcfg_low(pvt, pvt->dclr1, 1); } /* @@ -800,7 +799,7 @@ static void read_dct_base_mask(struct amd64_pvt *pvt) } } -static enum mem_type amd64_determine_memory_type(struct amd64_pvt *pvt, int cs) +static enum mem_type determine_memory_type(struct amd64_pvt *pvt, int cs) { enum mem_type type; @@ -1702,7 +1701,7 @@ static void f1x_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, * debug routine to display the memory sizes of all logical DIMMs and its * CSROWs */ -static void amd64_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl) +static void debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl) { int dimm, size0, size1; u32 *dcsb = ctrl ? pvt->csels[1].csbases : pvt->csels[0].csbases; @@ -1744,7 +1743,7 @@ static void amd64_debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl) } } -static struct amd64_family_type amd64_family_types[] = { +static struct amd64_family_type family_types[] = { [K8_CPUS] = { .ctl_name = "K8", .f1_id = PCI_DEVICE_ID_AMD_K8_NB_ADDRMAP, @@ -2191,7 +2190,7 @@ static void read_mc_regs(struct amd64_pvt *pvt) * encompasses * */ -static u32 amd64_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr) +static u32 get_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr) { u32 cs_mode, nr_pages; u32 dbam = dct ? pvt->dbam1 : pvt->dbam0; @@ -2258,19 +2257,19 @@ static int init_csrows(struct mem_ctl_info *mci) pvt->mc_node_id, i); if (row_dct0) { - nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + nr_pages = get_csrow_nr_pages(pvt, 0, i); csrow->channels[0]->dimm->nr_pages = nr_pages; } /* K8 has only one DCT */ if (pvt->fam != 0xf && row_dct1) { - int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i); + int row_dct1_pages = get_csrow_nr_pages(pvt, 1, i); csrow->channels[1]->dimm->nr_pages = row_dct1_pages; nr_pages += row_dct1_pages; } - mtype = amd64_determine_memory_type(pvt, i); + mtype = determine_memory_type(pvt, i); edac_dbg(1, "Total csrow%d pages: %u\n", i, nr_pages); @@ -2304,7 +2303,7 @@ static void get_cpus_on_this_dct_cpumask(struct cpumask *mask, u16 nid) } /* check MCG_CTL on all the cpus on this node */ -static bool amd64_nb_mce_bank_enabled_on_node(u16 nid) +static bool nb_mce_bank_enabled_on_node(u16 nid) { cpumask_var_t mask; int cpu, nbe; @@ -2477,7 +2476,7 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid) ecc_en = !!(value & NBCFG_ECC_ENABLE); amd64_info("DRAM ECC %s.\n", (ecc_en ? "enabled" : "disabled")); - nb_mce_en = amd64_nb_mce_bank_enabled_on_node(nid); + nb_mce_en = nb_mce_bank_enabled_on_node(nid); if (!nb_mce_en) amd64_notice("NB MCE bank disabled, set MSR " "0x%08x[4] on node %d to enable.\n", @@ -2532,7 +2531,7 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci, if (pvt->nbcap & NBCAP_CHIPKILL) mci->edac_ctl_cap |= EDAC_FLAG_S4ECD4ED; - mci->edac_cap = amd64_determine_edac_cap(pvt); + mci->edac_cap = determine_edac_cap(pvt); mci->mod_name = EDAC_MOD_STR; mci->mod_ver = EDAC_AMD64_VERSION; mci->ctl_name = fam->ctl_name; @@ -2540,14 +2539,14 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci, mci->ctl_page_to_phys = NULL; /* memory scrubber interface */ - mci->set_sdram_scrub_rate = amd64_set_scrub_rate; - mci->get_sdram_scrub_rate = amd64_get_scrub_rate; + mci->set_sdram_scrub_rate = set_scrub_rate; + mci->get_sdram_scrub_rate = get_scrub_rate; } /* * returns a pointer to the family descriptor on success, NULL otherwise. */ -static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt) +static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) { struct amd64_family_type *fam_type = NULL; @@ -2558,29 +2557,29 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt) switch (pvt->fam) { case 0xf: - fam_type = &amd64_family_types[K8_CPUS]; - pvt->ops = &amd64_family_types[K8_CPUS].ops; + fam_type = &family_types[K8_CPUS]; + pvt->ops = &family_types[K8_CPUS].ops; break; case 0x10: - fam_type = &amd64_family_types[F10_CPUS]; - pvt->ops = &amd64_family_types[F10_CPUS].ops; + fam_type = &family_types[F10_CPUS]; + pvt->ops = &family_types[F10_CPUS].ops; break; case 0x15: if (pvt->model == 0x30) { - fam_type = &amd64_family_types[F15_M30H_CPUS]; - pvt->ops = &amd64_family_types[F15_M30H_CPUS].ops; + fam_type = &family_types[F15_M30H_CPUS]; + pvt->ops = &family_types[F15_M30H_CPUS].ops; break; } - fam_type = &amd64_family_types[F15_CPUS]; - pvt->ops = &amd64_family_types[F15_CPUS].ops; + fam_type = &family_types[F15_CPUS]; + pvt->ops = &family_types[F15_CPUS].ops; break; case 0x16: - fam_type = &amd64_family_types[F16_CPUS]; - pvt->ops = &amd64_family_types[F16_CPUS].ops; + fam_type = &family_types[F16_CPUS]; + pvt->ops = &family_types[F16_CPUS].ops; break; default: @@ -2596,7 +2595,7 @@ static struct amd64_family_type *amd64_per_family_init(struct amd64_pvt *pvt) return fam_type; } -static int amd64_init_one_instance(struct pci_dev *F2) +static int init_one_instance(struct pci_dev *F2) { struct amd64_pvt *pvt = NULL; struct amd64_family_type *fam_type = NULL; @@ -2614,7 +2613,7 @@ static int amd64_init_one_instance(struct pci_dev *F2) pvt->F2 = F2; ret = -EINVAL; - fam_type = amd64_per_family_init(pvt); + fam_type = per_family_init(pvt); if (!fam_type) goto err_free; @@ -2698,8 +2697,8 @@ err_ret: return ret; } -static int amd64_probe_one_instance(struct pci_dev *pdev, - const struct pci_device_id *mc_type) +static int probe_one_instance(struct pci_dev *pdev, + const struct pci_device_id *mc_type) { u16 nid = amd_get_node_id(pdev); struct pci_dev *F3 = node_to_amd_nb(nid)->misc; @@ -2731,7 +2730,7 @@ static int amd64_probe_one_instance(struct pci_dev *pdev, goto err_enable; } - ret = amd64_init_one_instance(pdev); + ret = init_one_instance(pdev); if (ret < 0) { amd64_err("Error probing instance: %d\n", nid); restore_ecc_error_reporting(s, nid, F3); @@ -2747,7 +2746,7 @@ err_out: return ret; } -static void amd64_remove_one_instance(struct pci_dev *pdev) +static void remove_one_instance(struct pci_dev *pdev) { struct mem_ctl_info *mci; struct amd64_pvt *pvt; @@ -2838,8 +2837,8 @@ MODULE_DEVICE_TABLE(pci, amd64_pci_table); static struct pci_driver amd64_pci_driver = { .name = EDAC_MOD_STR, - .probe = amd64_probe_one_instance, - .remove = amd64_remove_one_instance, + .probe = probe_one_instance, + .remove = remove_one_instance, .id_table = amd64_pci_table, }; @@ -2848,23 +2847,18 @@ static void setup_pci_device(void) struct mem_ctl_info *mci; struct amd64_pvt *pvt; - if (amd64_ctl_pci) + if (pci_ctl) return; mci = mcis[0]; - if (mci) { - - pvt = mci->pvt_info; - amd64_ctl_pci = - edac_pci_create_generic_ctl(&pvt->F2->dev, EDAC_MOD_STR); - - if (!amd64_ctl_pci) { - pr_warning("%s(): Unable to create PCI control\n", - __func__); + if (!mci) + return; - pr_warning("%s(): PCI error report via EDAC not set\n", - __func__); - } + pvt = mci->pvt_info; + pci_ctl = edac_pci_create_generic_ctl(&pvt->F2->dev, EDAC_MOD_STR); + if (!pci_ctl) { + pr_warn("%s(): Unable to create PCI control\n", __func__); + pr_warn("%s(): PCI error report via EDAC not set\n", __func__); } } @@ -2920,8 +2914,8 @@ err_ret: static void __exit amd64_edac_exit(void) { - if (amd64_ctl_pci) - edac_pci_release_generic_ctl(amd64_ctl_pci); + if (pci_ctl) + edac_pci_release_generic_ctl(pci_ctl); pci_unregister_driver(&amd64_pci_driver); |