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firmware: dmi_scan: Save SMBIOS Type 9 System Slots

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Save SMBIOS Type 9 System Slots during DMI scan. PCI address of
onboard devices was already saved but not for slots.

Signed-off-by: Jordan Hargrave <jordan_hargrave@dell.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
This commit is contained in:
Jordan Hargrave 2016-01-15 22:08:45 +01:00 committed by Jean Delvare
parent bfab8b4859
commit e5b6c15188
2 changed files with 37 additions and 15 deletions
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51
drivers/firmware/dmi_scan.c
View File

@ -321,26 +321,31 @@ static void __init dmi_save_ipmi_device(const struct dmi_header *dm)
list_add_tail(&dev->list, &dmi_devices);
}
static void __init dmi_save_dev_onboard(int instance, int segment, int bus,
int devfn, const char *name)
static void __init dmi_save_dev_pciaddr(int instance, int segment, int bus,
int devfn, const char *name, int type)
{
struct dmi_dev_onboard *onboard_dev;
struct dmi_dev_onboard *dev;
onboard_dev = dmi_alloc(sizeof(*onboard_dev) + strlen(name) + 1);
if (!onboard_dev)
/* Ignore invalid values */
if (type == DMI_DEV_TYPE_DEV_SLOT &&
segment == 0xFFFF && bus == 0xFF && devfn == 0xFF)
return;
onboard_dev->instance = instance;
onboard_dev->segment = segment;
onboard_dev->bus = bus;
onboard_dev->devfn = devfn;
dev = dmi_alloc(sizeof(*dev) + strlen(name) + 1);
if (!dev)
return;
strcpy((char *)&onboard_dev[1], name);
onboard_dev->dev.type = DMI_DEV_TYPE_DEV_ONBOARD;
onboard_dev->dev.name = (char *)&onboard_dev[1];
onboard_dev->dev.device_data = onboard_dev;
dev->instance = instance;
dev->segment = segment;
dev->bus = bus;
dev->devfn = devfn;
list_add(&onboard_dev->dev.list, &dmi_devices);
strcpy((char *)&dev[1], name);
dev->dev.type = type;
dev->dev.name = (char *)&dev[1];
dev->dev.device_data = dev;
list_add(&dev->dev.list, &dmi_devices);
}
static void __init dmi_save_extended_devices(const struct dmi_header *dm)
@ -353,10 +358,23 @@ static void __init dmi_save_extended_devices(const struct dmi_header *dm)
return;
name = dmi_string_nosave(dm, d[0x4]);
dmi_save_dev_onboard(d[0x6], *(u16 *)(d + 0x7), d[0x9], d[0xA], name);
dmi_save_dev_pciaddr(d[0x6], *(u16 *)(d + 0x7), d[0x9], d[0xA], name,
DMI_DEV_TYPE_DEV_ONBOARD);
dmi_save_one_device(d[0x5] & 0x7f, name);
}
static void __init dmi_save_system_slot(const struct dmi_header *dm)
{
const u8 *d = (u8 *)dm;
/* Need SMBIOS 2.6+ structure */
if (dm->length < 0x11)
return;
dmi_save_dev_pciaddr(*(u16 *)(d + 0x9), *(u16 *)(d + 0xD), d[0xF],
d[0x10], dmi_string_nosave(dm, d[0x4]),
DMI_DEV_TYPE_DEV_SLOT);
}
static void __init count_mem_devices(const struct dmi_header *dm, void *v)
{
if (dm->type != DMI_ENTRY_MEM_DEVICE)
@ -427,6 +445,9 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy)
dmi_save_ident(dm, DMI_CHASSIS_SERIAL, 7);
dmi_save_ident(dm, DMI_CHASSIS_ASSET_TAG, 8);
break;
case 9: /* System Slots */
dmi_save_system_slot(dm);
break;
case 10: /* Onboard Devices Information */
dmi_save_devices(dm);
break;

1
include/linux/dmi.h
View File

@ -22,6 +22,7 @@ enum dmi_device_type {
DMI_DEV_TYPE_IPMI = -1,
DMI_DEV_TYPE_OEM_STRING = -2,
DMI_DEV_TYPE_DEV_ONBOARD = -3,
DMI_DEV_TYPE_DEV_SLOT = -4,
};
enum dmi_entry_type {