diff options
| -rw-r--r-- | drivers/edac/edac_mc.c | 95 | ||||
| -rw-r--r-- | drivers/edac/edac_mc_sysfs.c | 11 | ||||
| -rw-r--r-- | drivers/edac/edac_module.h | 3 |
3 files changed, 62 insertions, 47 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index a39fe6f966e3..98c759dc0d5d 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -42,44 +42,63 @@ static DEFINE_MUTEX(mem_ctls_mutex); static LIST_HEAD(mc_devices); +unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf, + unsigned len) +{ + struct mem_ctl_info *mci = dimm->mci; + int i, n, count = 0; + char *p = buf; + + for (i = 0; i < mci->n_layers; i++) { + n = snprintf(p, len, "%s %d ", + edac_layer_name[mci->layers[i].type], + dimm->location[i]); + p += n; + len -= n; + count += n; + if (!len) + break; + } + + return count; +} + #ifdef CONFIG_EDAC_DEBUG static void edac_mc_dump_channel(struct rank_info *chan) { - edac_dbg(4, "\tchannel = %p\n", chan); - edac_dbg(4, "\tchannel->chan_idx = %d\n", chan->chan_idx); - edac_dbg(4, "\tchannel->csrow = %p\n", chan->csrow); - edac_dbg(4, "\tchannel->dimm = %p\n", chan->dimm); + edac_dbg(4, " channel->chan_idx = %d\n", chan->chan_idx); + edac_dbg(4, " channel = %p\n", chan); + edac_dbg(4, " channel->csrow = %p\n", chan->csrow); + edac_dbg(4, " channel->dimm = %p\n", chan->dimm); } -static void edac_mc_dump_dimm(struct dimm_info *dimm) +static void edac_mc_dump_dimm(struct dimm_info *dimm, int number) { - int i; - - edac_dbg(4, "\tdimm = %p\n", dimm); - edac_dbg(4, "\tdimm->label = '%s'\n", dimm->label); - edac_dbg(4, "\tdimm->nr_pages = 0x%x\n", dimm->nr_pages); - edac_dbg(4, "\tdimm location "); - for (i = 0; i < dimm->mci->n_layers; i++) { - printk(KERN_CONT "%d", dimm->location[i]); - if (i < dimm->mci->n_layers - 1) - printk(KERN_CONT "."); - } - printk(KERN_CONT "\n"); - edac_dbg(4, "\tdimm->grain = %d\n", dimm->grain); - edac_dbg(4, "\tdimm->nr_pages = 0x%x\n", dimm->nr_pages); + char location[80]; + + edac_dimm_info_location(dimm, location, sizeof(location)); + + edac_dbg(4, "%s%i: %smapped as virtual row %d, chan %d\n", + dimm->mci->mem_is_per_rank ? "rank" : "dimm", + number, location, dimm->csrow, dimm->cschannel); + edac_dbg(4, " dimm = %p\n", dimm); + edac_dbg(4, " dimm->label = '%s'\n", dimm->label); + edac_dbg(4, " dimm->nr_pages = 0x%x\n", dimm->nr_pages); + edac_dbg(4, " dimm->grain = %d\n", dimm->grain); + edac_dbg(4, " dimm->nr_pages = 0x%x\n", dimm->nr_pages); } static void edac_mc_dump_csrow(struct csrow_info *csrow) { - edac_dbg(4, "\tcsrow = %p\n", csrow); - edac_dbg(4, "\tcsrow->csrow_idx = %d\n", csrow->csrow_idx); - edac_dbg(4, "\tcsrow->first_page = 0x%lx\n", csrow->first_page); - edac_dbg(4, "\tcsrow->last_page = 0x%lx\n", csrow->last_page); - edac_dbg(4, "\tcsrow->page_mask = 0x%lx\n", csrow->page_mask); - edac_dbg(4, "\tcsrow->nr_channels = %d\n", csrow->nr_channels); - edac_dbg(4, "\tcsrow->channels = %p\n", csrow->channels); - edac_dbg(4, "\tcsrow->mci = %p\n", csrow->mci); + edac_dbg(4, "csrow->csrow_idx = %d\n", csrow->csrow_idx); + edac_dbg(4, " csrow = %p\n", csrow); + edac_dbg(4, " csrow->first_page = 0x%lx\n", csrow->first_page); + edac_dbg(4, " csrow->last_page = 0x%lx\n", csrow->last_page); + edac_dbg(4, " csrow->page_mask = 0x%lx\n", csrow->page_mask); + edac_dbg(4, " csrow->nr_channels = %d\n", csrow->nr_channels); + edac_dbg(4, " csrow->channels = %p\n", csrow->channels); + edac_dbg(4, " csrow->mci = %p\n", csrow->mci); } static void edac_mc_dump_mci(struct mem_ctl_info *mci) @@ -327,8 +346,6 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, memset(&pos, 0, sizeof(pos)); row = 0; chn = 0; - edac_dbg(4, "initializing %d %s\n", - tot_dimms, per_rank ? "ranks" : "dimms"); for (i = 0; i < tot_dimms; i++) { chan = mci->csrows[row]->channels[chn]; off = EDAC_DIMM_OFF(layer, n_layers, pos[0], pos[1], pos[2]); @@ -341,10 +358,6 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, mci->dimms[off] = dimm; dimm->mci = mci; - edac_dbg(2, "%d: %s%i (%d:%d:%d): row %d, chan %d\n", - i, per_rank ? "rank" : "dimm", off, - pos[0], pos[1], pos[2], row, chn); - /* * Copy DIMM location and initialize it. */ @@ -700,14 +713,22 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) int i; for (i = 0; i < mci->nr_csrows; i++) { + struct csrow_info *csrow = mci->csrows[i]; + u32 nr_pages = 0; int j; - edac_mc_dump_csrow(mci->csrows[i]); - for (j = 0; j < mci->csrows[i]->nr_channels; j++) - edac_mc_dump_channel(mci->csrows[i]->channels[j]); + for (j = 0; j < csrow->nr_channels; j++) + nr_pages += csrow->channels[j]->dimm->nr_pages; + if (!nr_pages) + continue; + edac_mc_dump_csrow(csrow); + for (j = 0; j < csrow->nr_channels; j++) + if (csrow->channels[j]->dimm->nr_pages) + edac_mc_dump_channel(csrow->channels[j]); } for (i = 0; i < mci->tot_dimms; i++) - edac_mc_dump_dimm(mci->dimms[i]); + if (mci->dimms[i]->nr_pages) + edac_mc_dump_dimm(mci->dimms[i], i); } #endif mutex_lock(&mem_ctls_mutex); diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index eace646b57f0..7079a428c8ea 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -485,17 +485,8 @@ static ssize_t dimmdev_location_show(struct device *dev, struct device_attribute *mattr, char *data) { struct dimm_info *dimm = to_dimm(dev); - struct mem_ctl_info *mci = dimm->mci; - int i; - char *p = data; - - for (i = 0; i < mci->n_layers; i++) { - p += sprintf(p, "%s %d ", - edac_layer_name[mci->layers[i].type], - dimm->location[i]); - } - return p - data; + return edac_dimm_info_location(dimm, data, PAGE_SIZE); } static ssize_t dimmdev_label_show(struct device *dev, diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index 1af13676e857..62de640c8c8a 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -34,6 +34,9 @@ extern int edac_mc_get_panic_on_ue(void); extern int edac_get_poll_msec(void); extern int edac_mc_get_poll_msec(void); +unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf, + unsigned len); + /* on edac_device.c */ extern int edac_device_register_sysfs_main_kobj( struct edac_device_ctl_info *edac_dev); |