ACJ: [PATCH 3/4][Resend] uefi: uefidump: add the USB WWID subtype-16 support on messaging device path type for uefidump (LP: #1255387)

[Keng-Yu Lin]

On Fri, Nov 29, 2013 at 7:54 PM, Colin Ian King
<colin.king at canonical.com> wrote:
> On 29/11/13 00:59, Ivan Hu wrote:
>> From: IvanHu <ivan.hu at canonical.com>
>>
>> Add the USB WWID subtype 16 support on messaging device path follow the section 9.3.5.7 on UEFI spec2.4.
>>
>> Signed-off-by: Ivan Hu <ivan.hu at canonical.com>
>> ---
>>  src/lib/include/fwts_uefi.h  |    9 +++++++++
>>  src/uefi/uefidump/uefidump.c |   23 +++++++++++++++++++++++
>>  2 files changed, 32 insertions(+)
>>
>> diff --git a/src/lib/include/fwts_uefi.h b/src/lib/include/fwts_uefi.h
>> index 28d4c81..1b387a4 100644
>> --- a/src/lib/include/fwts_uefi.h
>> +++ b/src/lib/include/fwts_uefi.h
>> @@ -203,6 +203,7 @@ typedef enum {
>>       FWTS_UEFI_IPV6_DEVICE_PATH_SUBTYPE =            (0x0d),
>>       FWTS_UEFI_UART_DEVICE_PATH_SUBTYPE =            (0x0e),
>>       FWTS_UEFI_USB_CLASS_DEVICE_PATH_SUBTYPE =       (0x0f),
>> +     FWTS_UEFI_USB_WWID_DEVICE_PATH_SUBTYPE =        (0x10),
>>       FWTS_UEFI_SATA_DEVICE_PATH_SUBTYPE =            (0x12),
>>       FWTS_UEFI_FIBRE_CHANNEL_EX_DEVICE_PATH_SUBTYPE = (0x15)
>>
>> @@ -383,6 +384,14 @@ typedef struct {
>>
>>  typedef struct {
>>       fwts_uefi_dev_path dev_path;
>> +     uint16_t interface_num;
>> +     uint16_t vendor_id;
>> +     uint16_t product_id;
>> +     uint16_t serial_number[0];
>> +} fwts_uefi_usb_wwid_dev_path;
>> +
>> +typedef struct {
>> +     fwts_uefi_dev_path dev_path;
>>       uint32_t partition_number;
>>       uint64_t partition_start;
>>       uint64_t partition_size;
>> diff --git a/src/uefi/uefidump/uefidump.c b/src/uefi/uefidump/uefidump.c
>> index fb9d5f3..075168b 100644
>> --- a/src/uefi/uefidump/uefidump.c
>> +++ b/src/uefi/uefidump/uefidump.c
>> @@ -330,6 +330,29 @@ static char *uefidump_build_dev_path(char *path, fwts_uefi_dev_path *dev_path, c
>>                                       s->hbapn, s->pmpn, s->lun);
>>                       }
>>                       break;
>> +             case FWTS_UEFI_USB_WWID_DEVICE_PATH_SUBTYPE:
>> +                     if (dev_path_len >= sizeof(fwts_uefi_usb_wwid_dev_path)) {
>> +                             fwts_uefi_usb_wwid_dev_path *u = (fwts_uefi_usb_wwid_dev_path *)dev_path;
>> +                             path = uefidump_vprintf(path, "\\USBWWID(0x%" PRIx16 ",0x%" PRIx16 ",0x%" PRIx16,
>> +                                     u->interface_num, u->vendor_id, u->product_id);
>> +
>> +                             /* Adding Serial Number */
>> +                             char *tmp;
>> +                             uint16_t len = u->dev_path.length[0] | (((uint16_t)u->dev_path.length[1]) << 8);
>> +
>> +                             if (len <= sizeof(fwts_uefi_usb_wwid_dev_path)) {
>> +                                     path = uefidump_vprintf(path, ")");
>> +                                     break;
>> +                             }
>> +                             tmp = malloc((len - sizeof(fwts_uefi_usb_wwid_dev_path))/sizeof(uint16_t) + 1);
>> +                             if (tmp) {
>> +                                     fwts_uefi_str16_to_str(tmp, (len - sizeof(fwts_uefi_usb_wwid_dev_path))/sizeof(uint16_t) + 1, u->serial_number);
>> +                                     path = uefidump_vprintf(path, ",%s", tmp);
>> +                                     free(tmp);
>> +                             }
>> +                             path = uefidump_vprintf(path, ")");
>> +                     }
>> +                     break;
>>               default:
>>                       path = uefidump_vprintf(path, "\\Unknown-MESSAGING-DEV-PATH(0x%" PRIx8 ")", dev_path->subtype);
>>                       break;
>>
> Thanks
>
> Acked-by: Colin Ian King <colin.king at canonical.com>
>

Acked-by: Keng-Yu Lin <kengyu at canonical.com>