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dev-smartcard-reader: change default protocol to T=0 

We don't support T=1 so we shouldn't advertise it by default.

Two independent changes:
* Default ATR
 sets T=0. This gets overwritten by the client provided ATR later.
* Class descriptor
 changes dwAdvertise dwProtocols.PPPP to 0x1 and dwProtocols.RRRR=0 per spec.

Signed-off-by: Alon Levy <alevy@redhat.com>
Reviewed-by: Marc-André Lureau <mlureau@redhat.com>
This commit is contained in:
Alon Levy 2013-03-27 10:14:15 +02:00
parent 4942d6c394
commit d7d218ef02
1 changed files with 3 additions and 3 deletions
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6
hw/usb/dev-smartcard-reader.c
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@ -335,8 +335,8 @@ static const uint8_t qemu_ccid_descriptor[] = {
*/ */
0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */ 0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */
0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/ 0x00, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */ 0x01, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
/* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */ /* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
0xa0, 0x0f, 0x00, 0x00, 0xa0, 0x0f, 0x00, 0x00,
/* u32 dwMaximumClock; */ /* u32 dwMaximumClock; */
@ -875,7 +875,7 @@ static const CCID_ProtocolDataStructure defaultProtocolDataStructure = {
static void ccid_reset_parameters(USBCCIDState *s) static void ccid_reset_parameters(USBCCIDState *s)
{ {
s->bProtocolNum = 1; /* T=1 */ s->bProtocolNum = 0; /* T=0 */
s->abProtocolDataStructure = defaultProtocolDataStructure; s->abProtocolDataStructure = defaultProtocolDataStructure;
} }