A couple of the EDAC drivers have a nice memdev_dmi_entry structure for
decoding DMI memory device entries. Move the structure definition to
dmi.h so that it can be shared between those drivers and also other
parts of the kernel; the i915 graphics driver is going to need to use
this structure soon as well. As part of this move we rename the
structure s/memdev_dmi_entry/dmi_entry_memdev/ to ensure it has a proper
'dmi' prefix.
v2:
- Rename structure to dmi_entry_memdev. (Jean)
- Use __packed instead of __attribute__((__packed__)) for consistency
with the rest of the dmi.h header. (Jean)
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
Cc: Jean Delvare <jdelvare@xxxxxxxx>
Cc: linux-edac@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/edac/ghes_edac.c | 28 +--------------------------
drivers/edac/i7core_edac.c | 47 +++++++++++-----------------------------------
include/linux/dmi.h | 25 ++++++++++++++++++++++++
3 files changed, 37 insertions(+), 63 deletions(-)
diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index e3fa439..39535bb 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -35,32 +35,6 @@ static DEFINE_MUTEX(ghes_edac_lock);
static int ghes_edac_mc_num;
-/* Memory Device - Type 17 of SMBIOS spec */
-struct memdev_dmi_entry {
- u8 type;
- u8 length;
- u16 handle;
- u16 phys_mem_array_handle;
- u16 mem_err_info_handle;
- u16 total_width;
- u16 data_width;
- u16 size;
- u8 form_factor;
- u8 device_set;
- u8 device_locator;
- u8 bank_locator;
- u8 memory_type;
- u16 type_detail;
- u16 speed;
- u8 manufacturer;
- u8 serial_number;
- u8 asset_tag;
- u8 part_number;
- u8 attributes;
- u32 extended_size;
- u16 conf_mem_clk_speed;
-} __attribute__((__packed__));
-
struct ghes_edac_dimm_fill {
struct mem_ctl_info *mci;
unsigned count;
@@ -80,7 +54,7 @@ static void ghes_edac_dmidecode(const struct dmi_header *dh, void *arg)
struct mem_ctl_info *mci = dimm_fill->mci;
if (dh->type == DMI_ENTRY_MEM_DEVICE) {
- struct memdev_dmi_entry *entry = (struct memdev_dmi_entry *)dh;
+ struct dmi_entry_memdev *entry = (struct dmi_entry_memdev *)dh;
struct dimm_info *dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
mci->n_layers,
dimm_fill->count, 0, 0);
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 01087a3..fbfb06f 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1906,31 +1906,6 @@ static struct notifier_block i7_mce_dec = {
.notifier_call = i7core_mce_check_error,
};
-struct memdev_dmi_entry {
- u8 type;
- u8 length;
- u16 handle;
- u16 phys_mem_array_handle;
- u16 mem_err_info_handle;
- u16 total_width;
- u16 data_width;
- u16 size;
- u8 form;
- u8 device_set;
- u8 device_locator;
- u8 bank_locator;
- u8 memory_type;
- u16 type_detail;
- u16 speed;
- u8 manufacturer;
- u8 serial_number;
- u8 asset_tag;
- u8 part_number;
- u8 attributes;
- u32 extended_size;
- u16 conf_mem_clk_speed;
-} __attribute__((__packed__));
-
/*
* Decode the DRAM Clock Frequency, be paranoid, make sure that all
@@ -1946,28 +1921,28 @@ static void decode_dclk(const struct dmi_header *dh, void *_dclk_freq)
return;
if (dh->type == DMI_ENTRY_MEM_DEVICE) {
- struct memdev_dmi_entry *memdev_dmi_entry =
- (struct memdev_dmi_entry *)dh;
+ struct dmi_entry_memdev *dmi_entry_memdev =
+ (struct dmi_entry_memdev *)dh;
unsigned long conf_mem_clk_speed_offset =
- (unsigned long)&memdev_dmi_entry->conf_mem_clk_speed -
- (unsigned long)&memdev_dmi_entry->type;
+ (unsigned long)&dmi_entry_memdev->conf_mem_clk_speed -
+ (unsigned long)&dmi_entry_memdev->type;
unsigned long speed_offset =
- (unsigned long)&memdev_dmi_entry->speed -
- (unsigned long)&memdev_dmi_entry->type;
+ (unsigned long)&dmi_entry_memdev->speed -
+ (unsigned long)&dmi_entry_memdev->type;
/* Check that a DIMM is present */
- if (memdev_dmi_entry->size == 0)
+ if (dmi_entry_memdev->size == 0)
return;
/*
* Pick the configured speed if it's available, otherwise
* pick the DIMM speed, or we don't have a speed.
*/
- if (memdev_dmi_entry->length > conf_mem_clk_speed_offset) {
+ if (dmi_entry_memdev->length > conf_mem_clk_speed_offset) {
dmi_mem_clk_speed =
- memdev_dmi_entry->conf_mem_clk_speed;
- } else if (memdev_dmi_entry->length > speed_offset) {
- dmi_mem_clk_speed = memdev_dmi_entry->speed;
+ dmi_entry_memdev->conf_mem_clk_speed;
+ } else if (dmi_entry_memdev->length > speed_offset) {
+ dmi_mem_clk_speed = dmi_entry_memdev->speed;
} else {
*dclk_freq = -1;
return;
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 5e9c74c..60dcc31 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -78,6 +78,31 @@ struct dmi_header {
u16 handle;
} __packed;
+struct dmi_entry_memdev {
+ u8 type;
+ u8 length;
+ u16 handle;
+ u16 phys_mem_array_handle;
+ u16 mem_err_info_handle;
+ u16 total_width;
+ u16 data_width;
+ u16 size;
+ u8 form;
+ u8 device_set;
+ u8 device_locator;
+ u8 bank_locator;
+ u8 memory_type;
+ u16 type_detail;
+ u16 speed;
+ u8 manufacturer;
+ u8 serial_number;
+ u8 asset_tag;
+ u8 part_number;
+ u8 attributes;
+ u32 extended_size;
+ u16 conf_mem_clk_speed;
+} __packed;
+
struct dmi_device {
struct list_head list;
int type;
--
2.1.4
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