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From eb91002f4fb6ed6ae36034b178c5480caa5dccae Mon Sep 17 00:00:00 2001
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From: Maxim Levitsky <mlevitsk@redhat.com>
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Date: Tue, 25 Jun 2019 13:30:12 +0200
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Subject: [PATCH 19/23] ccid: Fix dwProtocols advertisement of T=0
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Maxim Levitsky <mlevitsk@redhat.com>
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Message-id: <20190625133012.8221-2-mlevitsk@redhat.com>
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Patchwork-id: 88926
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O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 1/1] ccid: Fix dwProtocols advertisement of T=0
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Bugzilla: 1721522
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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From: Jason Andryuk <jandryuk@gmail.com>
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Commit d7d218ef02d87c637d20d64da8f575d434ff6f78 attempted to change
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dwProtocols to only advertise support for T=0 and not T=1. The change
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was incorrect as it changed 0x00000003 to 0x00010000.
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lsusb -v in a linux guest shows:
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"dwProtocols 65536 (Invalid values detected)", though the
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smart card could still be accessed. Windows 7 does not detect inserted
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smart cards and logs the the following Error in the Event Logs:
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Source: Smart Card Service
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Event ID: 610
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Smart Card Reader 'QEMU QEMU USB CCID 0' rejected IOCTL SET_PROTOCOL:
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Incorrect function. If this error persists, your smart card or reader
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may not be functioning correctly
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Command Header: 03 00 00 00
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Setting to 0x00000001 fixes the Windows issue.
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Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
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Message-id: 20180420183219.20722-1-jandryuk@gmail.com
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 0ee86bb6c5beb6498488850104f7557c376d0bef)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/usb/dev-smartcard-reader.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
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index 214d3e9..f745192 100644
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--- a/hw/usb/dev-smartcard-reader.c
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+++ b/hw/usb/dev-smartcard-reader.c
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@@ -329,8 +329,8 @@ static const uint8_t qemu_ccid_descriptor[] = {
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*/
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0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 - 1.8 */
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- 0x00, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
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- 0x01, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
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+ 0x01, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
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+ 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1 */
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/* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
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0xa0, 0x0f, 0x00, 0x00,
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/* u32 dwMaximumClock; */
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--
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1.8.3.1
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