Commit d1afaa0a authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab

i5100_edac: convert driver to use the new edac ABI

The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.

Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 702df640
......@@ -14,6 +14,11 @@
* rows for each respective channel are laid out one after another,
* the first half belonging to channel 0, the second half belonging
* to channel 1.
*
* This driver is for DDR2 DIMMs, and it uses chip select to select among the
* several ranks. However, instead of showing memories as ranks, it outputs
* them as DIMM's. An internal table creates the association between ranks
* and DIMM's.
*/
#include <linux/module.h>
#include <linux/init.h>
......@@ -410,14 +415,6 @@ static int i5100_csrow_to_chan(const struct mem_ctl_info *mci, int csrow)
return csrow / priv->ranksperchan;
}
static unsigned i5100_rank_to_csrow(const struct mem_ctl_info *mci,
int chan, int rank)
{
const struct i5100_priv *priv = mci->pvt_info;
return chan * priv->ranksperchan + rank;
}
static void i5100_handle_ce(struct mem_ctl_info *mci,
int chan,
unsigned bank,
......@@ -427,21 +424,17 @@ static void i5100_handle_ce(struct mem_ctl_info *mci,
unsigned ras,
const char *msg)
{
const int csrow = i5100_rank_to_csrow(mci, chan, rank);
char *label = NULL;
if (mci->csrows[csrow].channels[0].dimm)
label = mci->csrows[csrow].channels[0].dimm->label;
char detail[80];
printk(KERN_ERR
"CE chan %d, bank %u, rank %u, syndrome 0x%lx, "
"cas %u, ras %u, csrow %u, label \"%s\": %s\n",
chan, bank, rank, syndrome, cas, ras,
csrow, label, msg);
/* Form out message */
snprintf(detail, sizeof(detail),
"bank %u, cas %u, ras %u\n",
bank, cas, ras);
mci->ce_count++;
mci->csrows[csrow].ce_count++;
mci->csrows[csrow].channels[0].ce_count++;
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
0, 0, syndrome,
chan, rank, -1,
msg, detail, NULL);
}
static void i5100_handle_ue(struct mem_ctl_info *mci,
......@@ -453,20 +446,17 @@ static void i5100_handle_ue(struct mem_ctl_info *mci,
unsigned ras,
const char *msg)
{
const int csrow = i5100_rank_to_csrow(mci, chan, rank);
char *label = NULL;
char detail[80];
if (mci->csrows[csrow].channels[0].dimm)
label = mci->csrows[csrow].channels[0].dimm->label;
/* Form out message */
snprintf(detail, sizeof(detail),
"bank %u, cas %u, ras %u\n",
bank, cas, ras);
printk(KERN_ERR
"UE chan %d, bank %u, rank %u, syndrome 0x%lx, "
"cas %u, ras %u, csrow %u, label \"%s\": %s\n",
chan, bank, rank, syndrome, cas, ras,
csrow, label, msg);
mci->ue_count++;
mci->csrows[csrow].ue_count++;
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
0, 0, syndrome,
chan, rank, -1,
msg, detail, NULL);
}
static void i5100_read_log(struct mem_ctl_info *mci, int chan,
......@@ -843,11 +833,10 @@ static void __devinit i5100_init_interleaving(struct pci_dev *pdev,
static void __devinit i5100_init_csrows(struct mem_ctl_info *mci)
{
int i;
unsigned long total_pages = 0UL;
struct i5100_priv *priv = mci->pvt_info;
struct dimm_info *dimm;
for (i = 0; i < mci->nr_csrows; i++) {
for (i = 0; i < mci->tot_dimms; i++) {
struct dimm_info *dimm;
const unsigned long npages = i5100_npages(mci, i);
const unsigned chan = i5100_csrow_to_chan(mci, i);
const unsigned rank = i5100_csrow_to_rank(mci, i);
......@@ -855,21 +844,11 @@ static void __devinit i5100_init_csrows(struct mem_ctl_info *mci)
if (!npages)
continue;
/*
* FIXME: these two are totally bogus -- I don't see how to
* map them correctly to this structure...
*/
mci->csrows[i].csrow_idx = i;
mci->csrows[i].mci = mci;
mci->csrows[i].nr_channels = 1;
mci->csrows[i].channels[0].csrow = mci->csrows + i;
total_pages += npages;
dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers,
chan, rank, 0);
dimm = mci->csrows[i].channels[0].dimm;
dimm->nr_pages = npages;
if (npages) {
total_pages += npages;
dimm->grain = 32;
dimm->dtype = (priv->mtr[chan][rank].width == 4) ?
DEV_X4 : DEV_X8;
......@@ -879,6 +858,9 @@ static void __devinit i5100_init_csrows(struct mem_ctl_info *mci)
"DIMM%u",
i5100_rank_to_slot(mci, chan, rank));
}
debugf2("dimm channel %d, rank %d, size %zd\n",
chan, rank, PAGES_TO_MiB(npages));
}
}
......@@ -887,6 +869,7 @@ static int __devinit i5100_init_one(struct pci_dev *pdev,
{
int rc;
struct mem_ctl_info *mci;
struct edac_mc_layer layers[2];
struct i5100_priv *priv;
struct pci_dev *ch0mm, *ch1mm;
int ret = 0;
......@@ -947,7 +930,14 @@ static int __devinit i5100_init_one(struct pci_dev *pdev,
goto bail_ch1;
}
mci = edac_mc_alloc(sizeof(*priv), ranksperch * 2, 1, 0);
layers[0].type = EDAC_MC_LAYER_CHANNEL;
layers[0].size = 2;
layers[0].is_virt_csrow = false;
layers[1].type = EDAC_MC_LAYER_SLOT;
layers[1].size = ranksperch;
layers[1].is_virt_csrow = true;
mci = new_edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
sizeof(*priv));
if (!mci) {
ret = -ENOMEM;
goto bail_disable_ch1;
......
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