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edac updates for v4.3-rc1 

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Merge tag 'edac/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac

Pull edac updates from Mauro Carvalho Chehab:
 "Two EDAC fixes for Intel systems (Haswell and Ivy Bridge)"

* tag 'edac/v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
  sb_edac: correctly fetch DIMM width on Ivy Bridge and Haswell
  sb_edac: look harder for DDRIO on Haswell systems
This commit is contained in:
Linus Torvalds 2015-09-11 16:21:12 -07:00
parent 9ebd051a7d 12f0721c5a
commit d9b44fe30f
1 changed files with 60 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/edac/sb_edac.c
View File

@ -280,6 +280,7 @@ struct sbridge_info {
u8 max_interleave;
u8 (*get_node_id)(struct sbridge_pvt *pvt);
enum mem_type (*get_memory_type)(struct sbridge_pvt *pvt);
enum dev_type (*get_width)(struct sbridge_pvt *pvt, u32 mtr);
struct pci_dev *pci_vtd;
};
@ -471,6 +472,9 @@ static const struct pci_id_table pci_dev_descr_ibridge_table[] = {
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD2 0x2f6c
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TAD3 0x2f6d
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0 0x2fbd
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO1 0x2fbf
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO2 0x2fb9
#define PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO3 0x2fbb
static const struct pci_id_descr pci_dev_descr_haswell[] = {
/* first item must be the HA */
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0, 0) },
@ -488,6 +492,9 @@ static const struct pci_id_descr pci_dev_descr_haswell[] = {
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA0_TAD3, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO1, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO2, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO3, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_TA, 1) },
{ PCI_DESCR(PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1_THERMAL, 1) },
@ -762,6 +769,49 @@ out:
return mtype;
}
static enum dev_type sbridge_get_width(struct sbridge_pvt *pvt, u32 mtr)
{
/* there's no way to figure out */
return DEV_UNKNOWN;
}
static enum dev_type __ibridge_get_width(u32 mtr)
{
enum dev_type type;
switch (mtr) {
case 3:
type = DEV_UNKNOWN;
break;
case 2:
type = DEV_X16;
break;
case 1:
type = DEV_X8;
break;
case 0:
type = DEV_X4;
break;
}
return type;
}
static enum dev_type ibridge_get_width(struct sbridge_pvt *pvt, u32 mtr)
{
/*
* ddr3_width on the documentation but also valid for DDR4 on
* Haswell
*/
return __ibridge_get_width(GET_BITFIELD(mtr, 7, 8));
}
static enum dev_type broadwell_get_width(struct sbridge_pvt *pvt, u32 mtr)
{
/* ddr3_width on the documentation but also valid for DDR4 */
return __ibridge_get_width(GET_BITFIELD(mtr, 8, 9));
}
static u8 get_node_id(struct sbridge_pvt *pvt)
{
u32 reg;
@ -966,17 +1016,7 @@ static int get_dimm_config(struct mem_ctl_info *mci)
dimm->nr_pages = npages;
dimm->grain = 32;
switch (banks) {
case 16:
dimm->dtype = DEV_X16;
break;
case 8:
dimm->dtype = DEV_X8;
break;
case 4:
dimm->dtype = DEV_X4;
break;
}
dimm->dtype = pvt->info.get_width(pvt, mtr);
dimm->mtype = mtype;
dimm->edac_mode = mode;
snprintf(dimm->label, sizeof(dimm->label),
@ -1869,7 +1909,11 @@ static int haswell_mci_bind_devs(struct mem_ctl_info *mci,
}
break;
case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO0:
pvt->pci_ddrio = pdev;
case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO1:
case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO2:
case PCI_DEVICE_ID_INTEL_HASWELL_IMC_DDRIO3:
if (!pvt->pci_ddrio)
pvt->pci_ddrio = pdev;
break;
case PCI_DEVICE_ID_INTEL_HASWELL_IMC_HA1:
pvt->pci_ha1 = pdev;
@ -2361,6 +2405,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
pvt->info.interleave_list = ibridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
pvt->info.interleave_pkg = ibridge_interleave_pkg;
pvt->info.get_width = ibridge_get_width;
mci->ctl_name = kasprintf(GFP_KERNEL, "Ivy Bridge Socket#%d", mci->mc_idx);
/* Store pci devices at mci for faster access */
@ -2380,6 +2425,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
pvt->info.interleave_list = sbridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list);
pvt->info.interleave_pkg = sbridge_interleave_pkg;
pvt->info.get_width = sbridge_get_width;
mci->ctl_name = kasprintf(GFP_KERNEL, "Sandy Bridge Socket#%d", mci->mc_idx);
/* Store pci devices at mci for faster access */
@ -2399,6 +2445,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
pvt->info.interleave_list = ibridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
pvt->info.interleave_pkg = ibridge_interleave_pkg;
pvt->info.get_width = ibridge_get_width;
mci->ctl_name = kasprintf(GFP_KERNEL, "Haswell Socket#%d", mci->mc_idx);
/* Store pci devices at mci for faster access */
@ -2418,6 +2465,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
pvt->info.interleave_list = ibridge_interleave_list;
pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list);
pvt->info.interleave_pkg = ibridge_interleave_pkg;
pvt->info.get_width = broadwell_get_width;
mci->ctl_name = kasprintf(GFP_KERNEL, "Broadwell Socket#%d", mci->mc_idx);
/* Store pci devices at mci for faster access */