Messages in this thread Patch in this message | | | From | Jordan Hargrave <> | Subject | [PATCH 1/2] Save SMBIOS Type 9 System Slots during DMI Scan | Date | Wed, 18 Nov 2015 16:02:14 -0600 |
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PCI address of onboard devices is currently saved but not for slots.
Signed-off-by: Jordan Hargrave <Jordan_Hargrave@dell.com> --- drivers/firmware/dmi_scan.c | 39 +++++++++++++++++++++++++++++++++++++++ include/linux/dmi.h | 1 + 2 files changed, 40 insertions(+)
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index ac1ce4a..43cb7db 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -356,6 +356,41 @@ static void __init dmi_save_extended_devices(const struct dmi_header *dm) dmi_save_one_device(*d & 0x7f, dmi_string_nosave(dm, *(d - 1))); } +static void __init dmi_save_dev_slot(int instance, int segment, int bus, int devfn, const char *name) +{ + struct dmi_dev_onboard *slot; + + slot = dmi_alloc(sizeof(*slot) + strlen(name) + 1); + if (!slot) { + printk(KERN_ERR "dmi_save_system_slot: out of memory.\n"); + return; + } + slot->instance = instance; + slot->segment = segment; + slot->bus = bus; + slot->devfn = devfn; + + strcpy((char *)&slot[1], name); + slot->dev.type = DMI_DEV_TYPE_SYSTEM_SLOT; + slot->dev.name = (char *)&slot[1]; + slot->dev.device_data = slot; + + list_add(&slot->dev.list, &dmi_devices); +} + + +static void __init dmi_save_system_slot(const struct dmi_header *dm) +{ + const char *name; + const u8 *d = (u8*)dm; + + if (dm->type == DMI_ENTRY_SYSTEM_SLOT && dm->length >= 0x11) { + name = dmi_string_nosave(dm, *(d + 0x04)); + dmi_save_dev_slot(*(u16 *)(d + 0x09), *(u16 *)(d + 0xD), + *(d + 0xF), *(d + 0x10), name); + } +} + static void __init count_mem_devices(const struct dmi_header *dm, void *v) { if (dm->type != DMI_ENTRY_MEM_DEVICE) @@ -437,6 +472,10 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy) break; case 41: /* Onboard Devices Extended Information */ dmi_save_extended_devices(dm); + break; + case 9: /* System Slots */ + dmi_save_system_slot(dm); + break; } } diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 5055ac3..09f42e7 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -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_SYSTEM_SLOT = -4, }; enum dmi_entry_type { -- 2.5.0
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