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Date: Mon, 16 Apr 2012 17:21:24 -0300
From: Mauro Carvalho Chehab <mchehab@...hat.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Mauro Carvalho Chehab <mchehab@...hat.com>,
Linux Edac Mailing List <linux-edac@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Mark Gross <mark.gross@...el.com>,
Doug Thompson <norsk5@...oo.com>
Subject: [EDAC_ABI PATCH v13 05/26] e752x_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: Mark Gross <mark.gross@...el.com>
Cc: Doug Thompson <norsk5@...oo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>
---
drivers/edac/e752x_edac.c | 49 +++++++++++++++++++++++++++++++-------------
1 files changed, 34 insertions(+), 15 deletions(-)
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 6d81d3c..7b6ce11 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -6,6 +6,9 @@
*
* See "enum e752x_chips" below for supported chipsets
*
+ * Datasheet:
+ * http://www.intel.in/content/www/in/en/chipsets/e7525-memory-controller-hub-datasheet.html
+ *
* Written by Tom Zimmerman
*
* Contributors:
@@ -350,8 +353,10 @@ static void do_process_ce(struct mem_ctl_info *mci, u16 error_one,
channel = !(error_one & 1);
/* e752x mc reads 34:6 of the DRAM linear address */
- edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4),
- sec1_syndrome, row, channel, "e752x CE");
+ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
+ page, offset_in_page(sec1_add << 4), sec1_syndrome,
+ row, channel, -1,
+ "e752x CE", "", NULL);
}
static inline void process_ce(struct mem_ctl_info *mci, u16 error_one,
@@ -385,9 +390,12 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);
/* e752x mc reads 34:6 of the DRAM linear address */
- edac_mc_handle_ue(mci, block_page,
- offset_in_page(error_2b << 4),
- row, "e752x UE from Read");
+ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
+ block_page,
+ offset_in_page(error_2b << 4), 0,
+ row, -1, -1,
+ "e752x UE from Read", "", NULL);
+
}
if (error_one & 0x0404) {
error_2b = scrb_add;
@@ -401,9 +409,11 @@ static void do_process_ue(struct mem_ctl_info *mci, u16 error_one,
edac_mc_find_csrow_by_page(mci, block_page);
/* e752x mc reads 34:6 of the DRAM linear address */
- edac_mc_handle_ue(mci, block_page,
- offset_in_page(error_2b << 4),
- row, "e752x UE from Scruber");
+ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
+ block_page,
+ offset_in_page(error_2b << 4), 0,
+ row, -1, -1,
+ "e752x UE from Scruber", "", NULL);
}
}
@@ -426,7 +436,9 @@ static inline void process_ue_no_info_wr(struct mem_ctl_info *mci,
return;
debugf3("%s()\n", __func__);
- edac_mc_handle_ue_no_info(mci, "e752x UE log memory write");
+ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 0, 0, 0,
+ -1, -1, -1,
+ "e752x UE log memory write", "", NULL);
}
static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error,
@@ -1081,10 +1093,11 @@ static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev,
nr_pages = cumul_size - last_cumul_size;
last_cumul_size = cumul_size;
- for (i = 0; i < drc_chan + 1; i++) {
+ for (i = 0; i < csrow->nr_channels; i++) {
struct dimm_info *dimm = csrow->channels[i].dimm;
- dimm->nr_pages = nr_pages / (drc_chan + 1);
+ debugf3("Initializing rank at (%i,%i)\n", index, i);
+ dimm->nr_pages = nr_pages / csrow->nr_channels;
dimm->grain = 1 << 12; /* 4KiB - resolution of CELOG */
dimm->mtype = MEM_RDDR; /* only one type supported */
dimm->dtype = mem_dev ? DEV_X4 : DEV_X8;
@@ -1232,6 +1245,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
u16 pci_data;
u8 stat8;
struct mem_ctl_info *mci;
+ struct edac_mc_layer layers[2];
struct e752x_pvt *pvt;
u16 ddrcsr;
int drc_chan; /* Number of channels 0=1chan,1=2chan */
@@ -1258,11 +1272,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
/* Dual channel = 1, Single channel = 0 */
drc_chan = dual_channel_active(ddrcsr);
- mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1, 0);
-
- if (mci == NULL) {
+ layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
+ layers[0].size = E752X_NR_CSROWS;
+ layers[0].is_csrow = true;
+ layers[1].type = EDAC_MC_LAYER_CHANNEL;
+ layers[1].size = drc_chan + 1;
+ layers[1].is_csrow = false;
+ mci = new_edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
+ false, sizeof(*pvt));
+ if (mci == NULL)
return -ENOMEM;
- }
debugf3("%s(): init mci\n", __func__);
mci->mtype_cap = MEM_FLAG_RDDR;
--
1.7.8
--
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