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path: root/drivers/edac/amd64_edac.c
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Diffstat (limited to 'drivers/edac/amd64_edac.c')
-rw-r--r--drivers/edac/amd64_edac.c135
1 files changed, 62 insertions, 73 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index b53d0de17e15..98e14ee4833c 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;
@@ -1578,7 +1577,7 @@ static int f15_m30h_match_to_this_node(struct amd64_pvt *pvt, unsigned range,
num_dcts_intlv, dct_sel);
/* Verify we stay within the MAX number of channels allowed */
- if (channel > 4 || channel < 0)
+ if (channel > 3)
return -EINVAL;
leg_mmio_hole = (u8) (dct_cont_base_reg >> 1 & BIT(0));
@@ -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,
@@ -2005,9 +2004,9 @@ static void __log_bus_error(struct mem_ctl_info *mci, struct err_info *err,
string, "");
}
-static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
- struct mce *m)
+static inline void decode_bus_error(int node_id, struct mce *m)
{
+ struct mem_ctl_info *mci = mcis[node_id];
struct amd64_pvt *pvt = mci->pvt_info;
u8 ecc_type = (m->status >> 45) & 0x3;
u8 xec = XEC(m->status, 0x1f);
@@ -2035,11 +2034,6 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci,
__log_bus_error(mci, &err, ecc_type);
}
-void amd64_decode_bus_error(int node_id, struct mce *m)
-{
- __amd64_decode_bus_error(mcis[node_id], m);
-}
-
/*
* Use pvt->F2 which contains the F2 CPU PCI device to get the related
* F1 (AddrMap) and F3 (Misc) devices. Return negative value on error.
@@ -2196,7 +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;
@@ -2263,19 +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);
@@ -2309,7 +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;
@@ -2482,7 +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",
@@ -2537,7 +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;
@@ -2545,14 +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;
@@ -2563,29 +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:
@@ -2601,7 +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;
@@ -2619,7 +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;
@@ -2680,7 +2674,7 @@ static int amd64_init_one_instance(struct pci_dev *F2)
if (report_gart_errors)
amd_report_gart_errors(true);
- amd_register_ecc_decoder(amd64_decode_bus_error);
+ amd_register_ecc_decoder(decode_bus_error);
mcis[nid] = mci;
@@ -2703,8 +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;
@@ -2736,7 +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);
@@ -2752,7 +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;
@@ -2777,7 +2771,7 @@ static void amd64_remove_one_instance(struct pci_dev *pdev)
/* unregister from EDAC MCE */
amd_report_gart_errors(false);
- amd_unregister_ecc_decoder(amd64_decode_bus_error);
+ amd_unregister_ecc_decoder(decode_bus_error);
kfree(ecc_stngs[nid]);
ecc_stngs[nid] = NULL;
@@ -2795,7 +2789,7 @@ static void amd64_remove_one_instance(struct pci_dev *pdev)
* PCI core identifies what devices are on a system during boot, and then
* inquiry this table to see if this driver is for a given device found.
*/
-static DEFINE_PCI_DEVICE_TABLE(amd64_pci_table) = {
+static const struct pci_device_id amd64_pci_table[] = {
{
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_K8_NB_MEMCTL,
@@ -2843,8 +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,
};
@@ -2853,23 +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__);
}
}
@@ -2925,8 +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);
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