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Re: [Qemu-devel] [PATCH 05/20] usb-ccid: add CCID bus
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From: |
Alon Levy |
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Subject: |
Re: [Qemu-devel] [PATCH 05/20] usb-ccid: add CCID bus |
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Date: |
Thu, 3 Feb 2011 21:29:42 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Feb 03, 2011 at 08:53:07PM +0200, Alon Levy wrote:
> On Thu, Feb 03, 2011 at 10:46:59AM -0600, Anthony Liguori wrote:
> > On 02/02/2011 02:28 PM, Alon Levy wrote:
> > >A CCID device is a smart card reader. It is a USB device, defined at [1].
> > >This patch introduces the usb-ccid device that is a ccid bus. Next patches
> > >will
> > >introduce two card types to use it, a passthru card and an emulated card.
> > >
> > > [1]
> > > http://www.usb.org/developers/devclass_docs/DWG_Smart-Card_CCID_Rev110.
> > >
> > >Signed-off-by: Alon Levy<address@hidden>
> > >---
> > > Makefile.objs | 1 +
> > > configure | 6 +
> > > hw/ccid.h | 35 ++
> > > hw/usb-ccid.c | 1355
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > > 4 files changed, 1397 insertions(+), 0 deletions(-)
> > > create mode 100644 hw/ccid.h
> > > create mode 100644 hw/usb-ccid.c
> > >
> > >diff --git a/Makefile.objs b/Makefile.objs
> > >index f1c7bfe..a1f3853 100644
> > >--- a/Makefile.objs
> > >+++ b/Makefile.objs
> > >@@ -195,6 +195,7 @@ hw-obj-$(CONFIG_FDC) += fdc.o
> > > hw-obj-$(CONFIG_ACPI) += acpi.o acpi_piix4.o
> > > hw-obj-$(CONFIG_APM) += pm_smbus.o apm.o
> > > hw-obj-$(CONFIG_DMA) += dma.o
> > >+hw-obj-$(CONFIG_SMARTCARD) += usb-ccid.o
> > >
> > > # PPC devices
> > > hw-obj-$(CONFIG_OPENPIC) += openpic.o
> > >diff --git a/configure b/configure
> > >index 598e8e1..14a035a 100755
> > >--- a/configure
> > >+++ b/configure
> > >@@ -174,6 +174,7 @@ trace_backend="nop"
> > > trace_file="trace"
> > > spice=""
> > > rbd=""
> > >+smartcard="yes"
> > >
> > > # parse CC options first
> > > for opt do
> > >@@ -2472,6 +2473,7 @@ echo "Trace output file $trace_file-<pid>"
> > > echo "spice support $spice"
> > > echo "rbd support $rbd"
> > > echo "xfsctl support $xfs"
> > >+echo "smartcard support $smartcard"
> > >
> > > if test $sdl_too_old = "yes"; then
> > > echo "-> Your SDL version is too old - please upgrade to have SDL
> > > support"
> > >@@ -2744,6 +2746,10 @@ if test "$spice" = "yes" ; then
> > > echo "CONFIG_SPICE=y">> $config_host_mak
> > > fi
> > >
> > >+if test "$smartcard" = "yes" ; then
> > >+ echo "CONFIG_SMARTCARD=y">> $config_host_mak
> > >+fi
> > >+
> > > # XXX: suppress that
> > > if [ "$bsd" = "yes" ] ; then
> > > echo "CONFIG_BSD=y">> $config_host_mak
> > >diff --git a/hw/ccid.h b/hw/ccid.h
> > >new file mode 100644
> > >index 0000000..af59070
> > >--- /dev/null
> > >+++ b/hw/ccid.h
> > >@@ -0,0 +1,35 @@
> > >+#ifndef __CCID_H__
> > >+#define __CCID_H__
> >
> > Missing copyright, plus identifiers can't start with __.
>
> Will fix. Again.
>
> >
> > >+
> > >+#include "qdev.h"
> > >+
> > >+typedef struct CCIDCardState CCIDCardState;
> > >+typedef struct CCIDCardInfo CCIDCardInfo;
> > >+
> > >+struct CCIDCardState {
> > >+ DeviceState qdev;
> > >+ uint32_t slot; // For future use with multiple slot reader.
> > >+};
> >
> > Please stick to C89 comments.
> >
>
> Another oops.
>
> > >+
> > >+struct CCIDCardInfo {
> > >+ DeviceInfo qdev;
> > >+ void (*print)(Monitor *mon, CCIDCardState *card, int indent);
> > >+ const uint8_t *(*get_atr)(CCIDCardState *card, uint32_t *len);
> > >+ void (*apdu_from_guest)(CCIDCardState *card, const uint8_t *apdu,
> > >uint32_t len);
> > >+ int (*exitfn)(CCIDCardState *card);
> > >+ int (*initfn)(CCIDCardState *card);
> > >+};
> > >+
> > >+void ccid_card_send_apdu_to_guest(CCIDCardState *card, uint8_t* apdu,
> > >uint32_t len);
> > >+void ccid_card_card_removed(CCIDCardState *card);
> > >+void ccid_card_card_inserted(CCIDCardState *card);
> > >+void ccid_card_card_error(CCIDCardState *card, uint64_t error);
> > >+void ccid_card_qdev_register(CCIDCardInfo *card);
> > >+
> > >+/* support guest visible insertion/removal of ccid devices based on actual
> > >+ * devices connected/removed. Called by card implementation (passthru,
> > >local) */
> > >+int ccid_card_ccid_attach(CCIDCardState *card);
> > >+void ccid_card_ccid_detach(CCIDCardState *card);
> > >+
> > >+#endif // __CCID_H__
> > >+
> > >diff --git a/hw/usb-ccid.c b/hw/usb-ccid.c
> > >new file mode 100644
> > >index 0000000..58f69a6
> > >--- /dev/null
> > >+++ b/hw/usb-ccid.c
> > >@@ -0,0 +1,1355 @@
> > >+/*
> > >+ * CCID Device emulation
> > >+ *
> > >+ * Based on usb-serial.c:
> > >+ * Copyright (c) 2006 CodeSourcery.
> > >+ * Copyright (c) 2008 Samuel Thibault<address@hidden>
> > >+ * Written by Paul Brook, reused for FTDI by Samuel Thibault,
> > >+ * Reused for CCID by Alon Levy.
> > >+ * Contributed to by Robert Relyea
> > >+ * Copyright (c) 2010 Red Hat.
> > >+ *
> > >+ * This code is licenced under the LGPL.
> > >+ */
> > >+
> > >+/* References:
> > >+ *
> > >+ * CCID Specification Revision 1.1 April 22nd 2005
> > >+ * "Universal Serial Bus, Device Class: Smart Card"
> > >+ * Specification for Integrated Circuit(s) Cards Interface Devices
> > >+ *
> > >+ * Endianess note: from the spec (1.3)
> > >+ * "Fields that are larger than a byte are stored in little endian
> > >+ *
> > >+ * KNOWN BUGS
> > >+ * 1. remove/insert can sometimes result in removed state instead of
> > >inserted.
> > >+ * This is a result of the following:
> > >+ * symptom: dmesg shows ERMOTEIO (-121), pcscd shows -99. This happens
> > >+ * when we send a too short packet, seen in uhci-usb.c, resulting from
> > >+ * a urb requesting SPD and us returning a smaller packet.
> > >+ * Not sure which messages trigger this.
> > >+ *
> > >+ * Migration note:
> > >+ *
> > >+ * All the VMStateDescription's are left here for future use, but
> > >+ * not enabled right now since there is no support for USB migration.
> > >+ *
> > >+ * To enable define ENABLE_MIGRATION
> > >+ */
> > >+
> > >+#include "qemu-common.h"
> > >+#include "qemu-error.h"
> > >+#include "usb.h"
> > >+#include "monitor.h"
> > >+
> > >+#include "hw/ccid.h"
> > >+
> > >+//#define DEBUG_CCID
> > >+
> > >+#define DPRINTF(s, lvl, fmt, ...) \
> > >+do { if (lvl<= s->debug) { printf("usb-ccid: " fmt , ## __VA_ARGS__); } }
> > >while (0)
> > >+
> > >+#define CCID_DEV_NAME "usb-ccid"
> > >+
> > >+/* The two options for variable sized buffers:
> > >+ * make them constant size, for large enough constant,
> > >+ * or handle the migration complexity - VMState doesn't handle this case.
> > >+ * sizes are expected never to be exceeded, unless guest misbehaves. */
> > >+#define BULK_OUT_DATA_SIZE 65536
> > >+#define PENDING_ANSWERS_NUM 128
> > >+
> > >+#define BULK_IN_BUF_SIZE 384
> > >+#define BULK_IN_PENDING_NUM 8
> > >+
> > >+#define InterfaceOutClass
> > >((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
> > >+#define InterfaceInClass ((USB_DIR_IN
> > >|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8)
> > >+
> > >+#define CCID_CONTROL_ABORT 0x1
> > >+#define CCID_CONTROL_GET_CLOCK_FREQUENCIES 0x2
> > >+#define CCID_CONTROL_GET_DATA_RATES 0x3
> > >+
> > >+#define CCID_PRODUCT_DESCRIPTION "QEMU USB CCID"
> > >+#define CCID_VENDOR_DESCRIPTION "QEMU " QEMU_VERSION
> > >+#define CCID_INTERFACE_NAME "CCID Interface"
> > >+#define CCID_SERIAL_NUMBER_STRING "1"
> > >+/* Using Gemplus Vendor and Product id
> > >+ Effect on various drivers:
> > >+ * usbccid.sys (winxp, others untested) is a class driver so it doesn't
> > >care.
> > >+ * linux has a number of class drivers, but openct filters based on
> > >+ vendor/product (/etc/openct.conf under fedora), hence Gemplus.
> > >+ */
> > >+#define CCID_VENDOR_ID 0x08e6
> > >+#define CCID_PRODUCT_ID 0x4433
> > >+#define CCID_DEVICE_VERSION 0x0000
> > >+
> > >+/* BULK_OUT messages from PC to Reader
> > >+ Defined in CCID Rev 1.1 6.1 (page 26)
> > >+ */
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn 0x62
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff 0x63
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus 0x65
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock 0x6f
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters 0x6c
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters 0x6d
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters 0x61
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_Escape 0x6b
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_IccClock 0x6e
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU 0x6a
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_Secure 0x69
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical 0x71
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_Abort 0x72
> > >+#define CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency 0x73
> > >+
> > >+/* BULK_IN messages from Reader to PC
> > >+ Defined in CCID Rev 1.1 6.2 (page 48)
> > >+ */
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock 0x80
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus 0x81
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_Parameters 0x82
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_Escape 0x83
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_DataRateAndClockFrequency 0x84
> > >+
> > >+/* INTERRUPT_IN messages from Reader to PC
> > >+ Defined in CCID Rev 1.1 6.3 (page 56)
> > >+ */
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange 0x50
> > >+#define CCID_MESSAGE_TYPE_RDR_to_PC_HardwareError 0x51
> > >+
> > >+/* Endpoints for CCID - addresses are up to us to decide.
> > >+ To support slot insertion and removal we must have an interrupt in ep
> > >+ in addition we need a bulk in and bulk out ep
> > >+ 5.2, page 20
> > >+ */
> > >+#define CCID_INT_IN_EP 1
> > >+#define CCID_BULK_IN_EP 2
> > >+#define CCID_BULK_OUT_EP 3
> > >+
> > >+/* bmSlotICCState masks */
> > >+#define SLOT_0_STATE_MASK 1
> > >+#define SLOT_0_CHANGED_MASK 2
> > >+
> > >+/* Status codes that go in bStatus (see 6.2.6) */
> > >+enum {
> > >+ ICC_STATUS_PRESENT_ACTIVE = 0,
> > >+ ICC_STATUS_PRESENT_INACTIVE,
> > >+ ICC_STATUS_NOT_PRESENT
> > >+};
> > >+
> > >+enum {
> > >+ COMMAND_STATUS_NO_ERROR = 0,
> > >+ COMMAND_STATUS_FAILED,
> > >+ COMMAND_STATUS_TIME_EXTENSION_REQUIRED
> > >+};
> > >+
> > >+/* Error codes that go in bError (see 6.2.6)
> > >+ */
> > >+enum {
> > >+ ERROR_CMD_NOT_SUPPORTED = 0,
> > >+ ERROR_CMD_ABORTED = -1,
> > >+ ERROR_ICC_MUTE = -2,
> > >+ ERROR_XFR_PARITY_ERROR = -3,
> > >+ ERROR_XFR_OVERRUN = -4,
> > >+ ERROR_HW_ERROR = -5,
> > >+};
> > >+
> > >+/* 6.2.6 RDR_to_PC_SlotStatus definitions */
> > >+enum {
> > >+ CLOCK_STATUS_RUNNING = 0,
> > >+ /* 0 - Clock Running, 1 - Clock stopped in State L, 2 - H,
> > >+ 3 - unkonwn state. rest are RFU
> > >+ */
> > >+};
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_Header {
> > >+ uint8_t bMessageType;
> > >+ uint32_t dwLength;
> > >+ uint8_t bSlot;
> > >+ uint8_t bSeq;
> > >+} CCID_Header;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_BULK_IN {
> > >+ CCID_Header hdr;
> > >+ uint8_t bStatus; /* Only used in BULK_IN */
> > >+ uint8_t bError; /* Only used in BULK_IN */
> > >+} CCID_BULK_IN;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_SlotStatus {
> > >+ CCID_BULK_IN b;
> > >+ uint8_t bClockStatus;
> > >+} CCID_SlotStatus;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_Parameter {
> > >+ CCID_BULK_IN b;
> > >+ uint8_t bProtocolNum;
> > >+ uint8_t abProtocolDataStructure[0];
> > >+} CCID_Parameter;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_DataBlock {
> > >+ CCID_BULK_IN b;
> > >+ uint8_t bChainParameter;
> > >+ uint8_t abData[0];
> > >+} CCID_DataBlock;
> > >+
> > >+/* 6.1.4 PC_to_RDR_XfrBlock */
> > >+typedef struct __attribute__ ((__packed__)) CCID_XferBlock {
> > >+ CCID_Header hdr;
> > >+ uint8_t bBWI; /* Block Waiting Timeout */
> > >+ uint16_t wLevelParameter; /* XXX currently unused */
> > >+ uint8_t abData[0];
> > >+} CCID_XferBlock;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_IccPowerOn {
> > >+ CCID_Header hdr;
> > >+ uint8_t bPowerSelect;
> > >+ uint16_t abRFU;
> > >+} CCID_IccPowerOn;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_IccPowerOff {
> > >+ CCID_Header hdr;
> > >+ uint16_t abRFU;
> > >+} CCID_IccPowerOff;
> > >+
> > >+typedef struct __attribute__ ((__packed__)) CCID_SetParameter {
> > >+ CCID_Header hdr;
> > >+ uint8_t bProtocolNum;
> > >+ uint8_t abProtocolDataStructure[0];
> > >+} CCID_SetParameter;
> > >+
> > >+typedef struct CCID_Notify_Slot_Change {
> > >+ uint8_t bMessageType; /*
> > >CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange */
> > >+ uint8_t bmSlotICCState;
> > >+} CCID_Notify_Slot_Change;
> > >+
> > >+/* used for DataBlock response to XferBlock */
> > >+typedef struct Answer {
> > >+ uint8_t slot;
> > >+ uint8_t seq;
> > >+} Answer;
> > >+
> > >+/* pending BULK_IN messages */
> > >+typedef struct BulkIn {
> > >+ uint8_t data[BULK_IN_BUF_SIZE];
> > >+ uint32_t len;
> > >+ uint32_t pos;
> > >+} BulkIn;
> > >+
> > >+enum {
> > >+ MIGRATION_NONE,
> > >+ MIGRATION_MIGRATED,
> > >+};
> > >+
> > >+typedef struct CCIDBus CCIDBus;
> > >+typedef struct USBCCIDState USBCCIDState;
> > >+
> > >+#define MAX_PROTOCOL_SIZE 7
> > >+
> > >+/**
> > >+ * powered - defaults to true, changed by PowerOn/PowerOff messages
> > >+ */
> > >+struct USBCCIDState {
> > >+ USBDevice dev;
> > >+ CCIDBus *bus;
> > >+ CCIDCardState *card;
> > >+ CCIDCardInfo *cardinfo; /* caching the info pointer */
> > >+ uint8_t debug;
> > >+ BulkIn bulk_in_pending[BULK_IN_PENDING_NUM]; /* circular */
> > >+ uint32_t bulk_in_pending_start;
> > >+ uint32_t bulk_in_pending_end; /* first free */
> > >+ uint32_t bulk_in_pending_num;
> > >+ BulkIn *current_bulk_in;
> > >+ uint8_t bulk_out_data[BULK_OUT_DATA_SIZE];
> > >+ uint32_t bulk_out_pos;
> > >+ uint8_t bmSlotICCState;
> > >+ uint8_t powered;
> > >+ uint8_t notify_slot_change;
> > >+ uint64_t last_answer_error;
> > >+ Answer pending_answers[PENDING_ANSWERS_NUM];
> > >+ uint32_t pending_answers_start;
> > >+ uint32_t pending_answers_end;
> > >+ uint32_t pending_answers_num;
> > >+ uint8_t bError;
> > >+ uint8_t bmCommandStatus;
> > >+ uint8_t bProtocolNum;
> > >+ uint8_t abProtocolDataStructure[MAX_PROTOCOL_SIZE];
> > >+ uint32_t ulProtocolDataStructureSize;
> > >+ uint32_t state_vmstate;
> > >+ uint8_t migration_state;
> > >+ uint32_t migration_target_ip;
> > >+ uint16_t migration_target_port;
> > >+};
> > >+
> > >+/* Slot specific variables. We emulate a single slot card reader.
> > >+ */
> > >+
> > >+
> > >+/* CCID Spec chapter 4: CCID uses a standard device descriptor per
> > >Chapter 9,
> > >+ * "USB Device Framework", section 9.6.1, in the Universal Serial Bus
> > >+ * Specification.
> > >+ *
> > >+ * This device implemented based on the spec and with an Athena Smart Card
> > >+ * Reader as reference:
> > >+ * 0dc3:1004 Athena Smartcard Solutions, Inc.
> > >+ */
> > >+
> > >+static const uint8_t qemu_ccid_dev_descriptor[] = {
> > >+ 0x12, /* u8 bLength; */
> > >+ USB_DT_DEVICE, /* u8 bDescriptorType; Device */
> > >+ 0x10, 0x01, /* u16 bcdUSB; v1.1 */
> > >+
> > >+ 0x00, /* u8 bDeviceClass; */
> > >+ 0x00, /* u8 bDeviceSubClass; */
> > >+ 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
> > >+ 0x40, /* u8 bMaxPacketSize0; 8 Bytes (valid: 8,16,32,64)
> > >*/
> > >+
> > >+ /* Vendor and product id are arbitrary. */
> > >+ /* u16 idVendor */
> > >+ CCID_VENDOR_ID& 0xff, CCID_VENDOR_ID>> 8,
> > >+ /* u16 idProduct */
> > >+ CCID_PRODUCT_ID& 0xff, CCID_PRODUCT_ID>> 8,
> > >+ /* u16 bcdDevice */
> > >+ CCID_DEVICE_VERSION& 0xff, CCID_DEVICE_VERSION>> 8,
> > >+ 0x01, /* u8 iManufacturer; */
> > >+ 0x02, /* u8 iProduct; */
> > >+ 0x03, /* u8 iSerialNumber; */
> > >+ 0x01, /* u8 bNumConfigurations; */
> > >+};
> > >+
> > >+static const uint8_t qemu_ccid_config_descriptor[] = {
> > >+
> > >+ /* one configuration */
> > >+ 0x09, /* u8 bLength; */
> > >+ USB_DT_CONFIG, /* u8 bDescriptorType; Configuration */
> > >+ 0x5d, 0x00, /* u16 wTotalLength; 9+9+54+7+7+7 */
> > >+ 0x01, /* u8 bNumInterfaces; (1) */
> > >+ 0x01, /* u8 bConfigurationValue; */
> > >+ 0x00, /* u8 iConfiguration; */
> > >+ 0xe0, /* u8 bmAttributes;
> > >+ Bit 7: must be set,
> > >+ 6: Self-powered,
> > >+ 5: Remote wakeup,
> > >+ 4..0: resvd */
> > >+ 100/2, /* u8 MaxPower; 50 == 100mA */
> > >+
> > >+ /* one interface */
> > >+ 0x09, /* u8 if_bLength; */
> > >+ USB_DT_INTERFACE, /* u8 if_bDescriptorType; Interface */
> > >+ 0x00, /* u8 if_bInterfaceNumber; */
> > >+ 0x00, /* u8 if_bAlternateSetting; */
> > >+ 0x03, /* u8 if_bNumEndpoints; */
> > >+ 0x0b, /* u8 if_bInterfaceClass; Smart Card Device Class */
> > >+ 0x00, /* u8 if_bInterfaceSubClass; Subclass code */
> > >+ 0x00, /* u8 if_bInterfaceProtocol; Protocol code */
> > >+ 0x04, /* u8 if_iInterface; Index of string descriptor */
> > >+
> > >+ /* Smart Card Device Class Descriptor */
> > >+ 0x36, /* u8 bLength; */
> > >+ 0x21, /* u8 bDescriptorType; Functional */
> > >+ 0x10, 0x01, /* u16 bcdCCID; CCID Specification Release Number. */
> > >+ 0x00, /* u8 bMaxSlotIndex; The index of the highest
> > >available
> > >+ slot on this device. All slots are consecutive
> > >starting
> > >+ at 00h. */
> > >+ 0x07, /* u8 bVoltageSupport; 01h - 5.0v, 02h - 3.0, 03 -
> > >1.8 */
> > >+
> > >+ 0x03, 0x00, /* u32 dwProtocols; RRRR PPPP. RRRR = 0000h.*/
> > >+ 0x00, 0x00, /* PPPP: 0001h = Protocol T=0, 0002h = Protocol T=1
> > >*/
> > >+ /* u32 dwDefaultClock; in kHZ (0x0fa0 is 4 MHz) */
> > >+ 0xa0, 0x0f, 0x00, 0x00,
> > >+ /* u32 dwMaximumClock; */
> > >+ 0x00, 0x00, 0x01, 0x00,
> > >+ 0x00, /* u8 bNumClockSupported; 0 means just the default
> > >and max. */
> > >+ /* u32 dwDataRate ;bps. 9600 == 00002580h */
> > >+ 0x80, 0x25, 0x00, 0x00,
> > >+ /* u32 dwMaxDataRate ; 11520 bps == 0001C200h */
> > >+ 0x00, 0xC2, 0x01, 0x00,
> > >+ 0x00, /* u8 bNumDataRatesSupported; 00 means all rates
> > >between
> > >+ * default and max */
> > >+ /* u32 dwMaxIFSD; maximum IFSD supported by CCID for
> > >protocol
> > >+ * T=1 (Maximum seen from various cards) */
> > >+ 0xfe, 0x00, 0x00, 0x00,
> > >+ /* u32 dwSyncProtocols; 1 - 2-wire, 2 - 3-wire, 4 -
> > >I2C */
> > >+ 0x00, 0x00, 0x00, 0x00,
> > >+ /* u32 dwMechanical; 0 - no special
> > >characteristics. */
> > >+ 0x00, 0x00, 0x00, 0x00,
> > >+ /* u32 dwFeatures;
> > >+ * 0 - No special characteristics
> > >+ * + 2 Automatic parameter configuration based on
> > >ATR data
> > >+ * + 4 Automatic activation of ICC on inserting
> > >+ * + 8 Automatic ICC voltage selection
> > >+ * + 10 Automatic ICC clock frequency change
> > >+ * + 20 Automatic baud rate change
> > >+ * + 40 Automatic parameters negotiation made by the
> > >CCID
> > >+ * + 80 automatic PPS made by the CCID
> > >+ * 100 CCID can set ICC in clock stop mode
> > >+ * 200 NAD value other then 00 accepted (T=1
> > >protocol)
> > >+ * + 400 Automatic IFSD exchange as first exchange
> > >(T=1)
> > >+ * One of the following only:
> > >+ * + 10000 TPDU level exchanges with CCID
> > >+ * 20000 Short APDU level exchange with CCID
> > >+ * 40000 Short and Extended APDU level exchange with
> > >CCID
> > >+ *
> > >+ * + 100000 USB Wake up signaling supported on card
> > >insertion
> > >+ * and removal. Must set bit 5 in bmAttributes in
> > >Configuration
> > >+ * descriptor if 100000 is set.*/
> > >+ 0xfe, 0x04, 0x11, 0x00,
> > >+ /* u32 dwMaxCCIDMessageLength; For extended APDU in
> > >[261 + 10
> > >+ * , 65544 + 10]. Otherwise the minimum is
> > >wMaxPacketSize of
> > >+ * the Bulk-OUT endpoint */
> > >+ 0x12, 0x00, 0x01, 0x00,
> > >+ 0xFF, /* u8 bClassGetResponse; Significant only for CCID
> > >that
> > >+ * offers an APDU level for exchanges. Indicates the
> > >default
> > >+ * class value used by the CCID when it sends a Get
> > >Response
> > >+ * command to perform the transportation of an APDU
> > >by T=0
> > >+ * protocol
> > >+ * FFh indicates that the CCID echos the class of
> > >the APDU.
> > >+ */
> > >+ 0xFF, /* u8 bClassEnvelope; EAPDU only. Envelope command
> > >for T=0 */
> > >+ 0x00, 0x00, /* u16 wLcdLayout; XXYY Number of lines (XX) and
> > >chars per
> > >+ * line for LCD display used for PIN entry. 0000 -
> > >no LCD */
> > >+ 0x01, /* u8 bPINSupport; 01h PIN Verification,
> > >+ * 02h PIN Modification */
> > >+ 0x01, /* u8 bMaxCCIDBusySlots; */
> > >+
> > >+ /* Interrupt-IN endpoint */
> > >+ 0x07, /* u8 ep_bLength; */
> > >+ /* u8 ep_bDescriptorType; Endpoint */
> > >+ USB_DT_ENDPOINT,
> > >+ /* u8 ep_bEndpointAddress; IN Endpoint 1 */
> > >+ 0x80 | CCID_INT_IN_EP,
> > >+ 0x03, /* u8 ep_bmAttributes; Interrupt */
> > >+ 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
> > >+ 0xff, /* u8 ep_bInterval; */
> > >+
> > >+ /* Bulk-In endpoint */
> > >+ 0x07, /* u8 ep_bLength; */
> > >+ /* u8 ep_bDescriptorType; Endpoint */
> > >+ USB_DT_ENDPOINT,
> > >+ /* u8 ep_bEndpointAddress; IN Endpoint 2 */
> > >+ 0x80 | CCID_BULK_IN_EP,
> > >+ 0x02, /* u8 ep_bmAttributes; Bulk */
> > >+ 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
> > >+ 0x00, /* u8 ep_bInterval; */
> > >+
> > >+ /* Bulk-Out endpoint */
> > >+ 0x07, /* u8 ep_bLength; */
> > >+ /* u8 ep_bDescriptorType; Endpoint */
> > >+ USB_DT_ENDPOINT,
> > >+ /* u8 ep_bEndpointAddress; OUT Endpoint 3 */
> > >+ CCID_BULK_OUT_EP,
> > >+ 0x02, /* u8 ep_bmAttributes; Bulk */
> > >+ 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
> > >+ 0x00, /* u8 ep_bInterval; */
> > >+
> > >+};
> > >+
> > >+static bool ccid_has_pending_answers(USBCCIDState *s)
> > >+{
> > >+ return s->pending_answers_num> 0;
> > >+}
> > >+
> > >+static void ccid_clear_pending_answers(USBCCIDState *s)
> > >+{
> > >+ s->pending_answers_num = 0;
> > >+ s->pending_answers_start = 0;
> > >+ s->pending_answers_end = 0;
> > >+}
> > >+
> > >+static void ccid_print_pending_answers(USBCCIDState *s)
> > >+{
> > >+#ifdef DEBUG_CCID
> > >+ Answer *answer;
> > >+ int i, count;
> > >+
> > >+ printf("usb-ccid: pending answers:");
> > >+ if (!ccid_has_pending_answers(s)) {
> > >+ printf(" empty\n");
> > >+ return;
> > >+ }
> > >+ for (i = s->pending_answers_start, count=s->pending_answers_num ;
> > >+ count> 0; count--, i++) {
> > >+ answer =&s->pending_answers[i % PENDING_ANSWERS_NUM];
> > >+ if (count == 1) {
> > >+ printf("%d:%d\n", answer->slot, answer->seq);
> > >+ } else {
> > >+ printf("%d:%d,", answer->slot, answer->seq);
> > >+ }
> > >+ }
> > >+#endif
> > >+}
> > >+
> > >+static void ccid_add_pending_answer(USBCCIDState *s, CCID_Header *hdr)
> > >+{
> > >+ Answer* answer;
> > >+
> > >+ assert(s->pending_answers_num++< PENDING_ANSWERS_NUM);
> > >+ answer =&s->pending_answers[(s->pending_answers_end++) %
> > >PENDING_ANSWERS_NUM];
> > >+ answer->slot = hdr->bSlot;
> > >+ answer->seq = hdr->bSeq;
> > >+ ccid_print_pending_answers(s);
> > >+}
> > >+
> > >+static void ccid_remove_pending_answer(USBCCIDState *s,
> > >+ uint8_t *slot, uint8_t *seq)
> > >+{
> > >+ Answer *answer;
> > >+
> > >+ assert(s->pending_answers_num--> 0);
> > >+ answer =&s->pending_answers[(s->pending_answers_start++) %
> > >PENDING_ANSWERS_NUM];
> > >+ *slot = answer->slot;
> > >+ *seq = answer->seq;
> > >+ ccid_print_pending_answers(s);
> > >+}
> > >+
> > >+static void ccid_bulk_in_clear(USBCCIDState *s)
> > >+{
> > >+ s->bulk_in_pending_start = 0;
> > >+ s->bulk_in_pending_end = 0;
> > >+ s->bulk_in_pending_num = 0;
> > >+}
> > >+
> > >+static void ccid_bulk_in_release(USBCCIDState *s)
> > >+{
> > >+ assert(s->current_bulk_in != NULL);
> > >+ s->current_bulk_in->pos = 0;
> > >+ s->current_bulk_in = NULL;
> > >+}
> > >+
> > >+static void ccid_bulk_in_get(USBCCIDState *s)
> > >+{
> > >+ if (s->current_bulk_in != NULL || s->bulk_in_pending_num == 0) {
> > >+ return;
> > >+ }
> > >+ assert(s->bulk_in_pending_num> 0);
> > >+ s->bulk_in_pending_num--;
> > >+ s->current_bulk_in =&s->bulk_in_pending[
> > >+ (s->bulk_in_pending_start++) % BULK_IN_PENDING_NUM];
> > >+}
> > >+
> > >+static void* ccid_reserve_recv_buf(USBCCIDState* s, uint16_t len)
> > >+{
> > >+ BulkIn* bulk_in;
> > >+
> > >+ DPRINTF(s, 4, "%s: QUEUE: reserve %d bytes\n", __func__, len);
> > >+
> > >+ /* look for an existing element */
> > >+ if (len> BULK_IN_BUF_SIZE) {
> > >+ printf("usb-ccid.c: %s: len larger then max (%d>%d). discarding
> > >message.\n",
> > >+ __func__, len, BULK_IN_BUF_SIZE);
> > >+ return NULL;
> > >+ }
> > >+ if (s->bulk_in_pending_num>= BULK_IN_PENDING_NUM) {
> > >+ printf("usb-ccid.c: %s: No free bulk_in buffers. discarding
> > >message.\n",
> > >+ __func__);
> > >+ return NULL;
> > >+ }
> > >+ bulk_in =&s->bulk_in_pending[(s->bulk_in_pending_end++) %
> > >BULK_IN_PENDING_NUM];
> > >+ s->bulk_in_pending_num++;
> > >+ bulk_in->len = len;
> > >+ return bulk_in->data;
> > >+}
> > >+
> > >+static void ccid_reset(USBCCIDState *s)
> > >+{
> > >+ ccid_bulk_in_clear(s);
> > >+ ccid_clear_pending_answers(s);
> > >+}
> > >+
> > >+static void ccid_detach(USBCCIDState *s)
> > >+{
> > >+ ccid_reset(s);
> > >+}
> > >+
> > >+static void ccid_handle_reset(USBDevice *dev)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
> > >+
> > >+ DPRINTF(s, 1, "Reset\n");
> > >+
> > >+ ccid_reset(s);
> > >+}
> > >+
> > >+static int ccid_handle_control(USBDevice *dev, int request, int value,
> > >+ int index, int length, uint8_t *data)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
> > >+ int ret = 0;
> > >+
> > >+ DPRINTF(s, 1, "got control %x, value %x\n",request, value);
> > >+ switch (request) {
> > >+ case DeviceRequest | USB_REQ_GET_STATUS:
> > >+ data[0] = (0<< USB_DEVICE_SELF_POWERED) |
> > >+ (dev->remote_wakeup<< USB_DEVICE_REMOTE_WAKEUP);
> > >+ data[1] = 0x00;
> > >+ ret = 2;
> > >+ break;
> > >+ case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
> > >+ if (value == USB_DEVICE_REMOTE_WAKEUP) {
> > >+ dev->remote_wakeup = 0;
> > >+ } else {
> > >+ goto fail;
> > >+ }
> > >+ ret = 0;
> > >+ break;
> > >+ case DeviceOutRequest | USB_REQ_SET_FEATURE:
> > >+ if (value == USB_DEVICE_REMOTE_WAKEUP) {
> > >+ dev->remote_wakeup = 1;
> > >+ } else {
> > >+ goto fail;
> > >+ }
> > >+ ret = 0;
> > >+ break;
> > >+ case DeviceOutRequest | USB_REQ_SET_ADDRESS:
> > >+ dev->addr = value;
> > >+ ret = 0;
> > >+ break;
> > >+ case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
> > >+ switch(value>> 8) {
> > >+ case USB_DT_DEVICE:
> > >+ memcpy(data, qemu_ccid_dev_descriptor,
> > >+ sizeof(qemu_ccid_dev_descriptor));
> > >+ ret = sizeof(qemu_ccid_dev_descriptor);
> > >+ break;
> > >+ case USB_DT_CONFIG:
> > >+ memcpy(data, qemu_ccid_config_descriptor,
> > >+ sizeof(qemu_ccid_config_descriptor));
> > >+ ret = sizeof(qemu_ccid_config_descriptor);
> > >+ break;
> > >+ case USB_DT_STRING:
> > >+ switch(value& 0xff) {
> > >+ case 0:
> > >+ /* language ids */
> > >+ data[0] = 4;
> > >+ data[1] = 3;
> > >+ data[2] = 0x09;
> > >+ data[3] = 0x04;
> > >+ ret = 4;
> > >+ break;
> > >+ case 1:
> > >+ /* vendor description */
> > >+ ret = set_usb_string(data, CCID_VENDOR_DESCRIPTION);
> > >+ break;
> > >+ case 2:
> > >+ /* product description */
> > >+ ret = set_usb_string(data, CCID_PRODUCT_DESCRIPTION);
> > >+ break;
> > >+ case 3:
> > >+ /* serial number */
> > >+ ret = set_usb_string(data, CCID_SERIAL_NUMBER_STRING);
> > >+ break;
> > >+ case 4:
> > >+ /* interface name */
> > >+ ret = set_usb_string(data, CCID_INTERFACE_NAME);
> > >+ break;
> > >+ default:
> > >+ goto fail;
> > >+ }
> > >+ break;
> > >+ default:
> > >+ goto fail;
> > >+ }
> > >+ break;
> > >+ case DeviceRequest | USB_REQ_GET_CONFIGURATION:
> > >+ data[0] = 1;
> > >+ ret = 1;
> > >+ break;
> > >+ case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
> > >+ /* Only one configuration - we just ignore the request */
> > >+ ret = 0;
> > >+ break;
> > >+ case DeviceRequest | USB_REQ_GET_INTERFACE:
> > >+ data[0] = 0;
> > >+ ret = 1;
> > >+ break;
> > >+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
> > >+ ret = 0;
> > >+ break;
> > >+ case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
> > >+ ret = 0;
> > >+ break;
> > >+
> > >+ /* Class specific requests. */
> > >+ case InterfaceOutClass | CCID_CONTROL_ABORT:
> > >+ DPRINTF(s, 1, "ccid_control abort UNIMPLEMENTED\n");
> > >+ ret = USB_RET_STALL;
> > >+ break;
> > >+ case InterfaceInClass | CCID_CONTROL_GET_CLOCK_FREQUENCIES:
> > >+ DPRINTF(s, 1, "ccid_control get clock frequencies
> > >UNIMPLEMENTED\n");
> > >+ ret = USB_RET_STALL;
> > >+ break;
> > >+ case InterfaceInClass | CCID_CONTROL_GET_DATA_RATES:
> > >+ DPRINTF(s, 1, "ccid_control get data rates UNIMPLEMENTED\n");
> > >+ ret = USB_RET_STALL;
> > >+ break;
> > >+ default:
> > >+ fail:
> > >+ DPRINTF(s, 1, "got unsupported/bogus control %x, value %x\n",
> > >request, value);
> > >+ ret = USB_RET_STALL;
> > >+ break;
> > >+ }
> > >+ return ret;
> > >+}
> > >+
> > >+static bool ccid_card_inserted(USBCCIDState *s)
> > >+{
> > >+ return s->bmSlotICCState& SLOT_0_STATE_MASK;
> > >+}
> > >+
> > >+static uint8_t ccid_card_status(USBCCIDState *s)
> > >+{
> > >+ return ccid_card_inserted(s)
> > >+ ? (s->powered ?
> > >+ ICC_STATUS_PRESENT_ACTIVE
> > >+ : ICC_STATUS_PRESENT_INACTIVE
> > >+ )
> > >+ : ICC_STATUS_NOT_PRESENT;
> > >+}
> > >+
> > >+static uint8_t ccid_calc_status(USBCCIDState *s)
> > >+{
> > >+ /* page 55, 6.2.6, calculation of bStatus from bmICCStatus and
> > >+ bmCommandStatus
> > >+ */
> > >+ uint8_t ret = ccid_card_status(s) | (s->bmCommandStatus<< 6);
> > >+ DPRINTF(s, 4, "status = %d\n", ret);
> > >+ return ret;
> > >+}
> > >+
> > >+static void ccid_reset_error_status(USBCCIDState* s)
> > >+{
> > >+ s->bError = ERROR_CMD_NOT_SUPPORTED;
> > >+ s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
> > >+}
> > >+
> > >+static void ccid_write_slot_status(USBCCIDState* s, CCID_Header* recv)
> > >+{
> > >+ CCID_SlotStatus *h = ccid_reserve_recv_buf(s,
> > >sizeof(CCID_SlotStatus));
> > >+ if (h == NULL) {
> > >+ return;
> > >+ }
> > >+ h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_SlotStatus;
> > >+ h->b.hdr.dwLength = 0;
> > >+ h->b.hdr.bSlot = recv->bSlot;
> > >+ h->b.hdr.bSeq = recv->bSeq;
> > >+ h->b.bStatus = ccid_calc_status(s);
> > >+ h->b.bError = s->bError;
> > >+ h->bClockStatus = CLOCK_STATUS_RUNNING;
> > >+ ccid_reset_error_status(s);
> > >+}
> > >+
> > >+static void ccid_write_parameters(USBCCIDState* s, CCID_Header* recv)
> > >+{
> > >+ CCID_Parameter *h;
> > >+ uint32_t len = s->ulProtocolDataStructureSize;
> > >+
> > >+ h = ccid_reserve_recv_buf(s, sizeof(CCID_Parameter) + len);
> > >+ if (h == NULL) {
> > >+ return;
> > >+ }
> > >+ h->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_Parameters;
> > >+ h->b.hdr.dwLength = 0;
> > >+ h->b.hdr.bSlot = recv->bSlot;
> > >+ h->b.hdr.bSeq = recv->bSeq;
> > >+ h->b.bStatus = ccid_calc_status(s);
> > >+ h->b.bError = s->bError;
> > >+ h->bProtocolNum = s->bProtocolNum;
> > >+ memcpy(h->abProtocolDataStructure, s->abProtocolDataStructure, len);
> > >+ ccid_reset_error_status(s);
> > >+}
> > >+
> > >+static void ccid_write_data_block(
> > >+ USBCCIDState* s, uint8_t slot, uint8_t seq,
> > >+ const uint8_t* data, uint32_t len)
> > >+{
> > >+ CCID_DataBlock *p = ccid_reserve_recv_buf(s, sizeof(*p) + len);
> > >+
> > >+ if (p == NULL) {
> > >+ return;
> > >+ }
> > >+ p->b.hdr.bMessageType = CCID_MESSAGE_TYPE_RDR_to_PC_DataBlock;
> > >+ p->b.hdr.dwLength = cpu_to_le32(len);
> > >+ p->b.hdr.bSlot = slot;
> > >+ p->b.hdr.bSeq = seq;
> > >+ p->b.bStatus = ccid_calc_status(s);
> > >+ p->b.bError = s->bError;
> > >+#ifdef DEBUG_CCID
> > >+ if (p->b.bError) {
> > >+ DPRINTF(s, 4, "error %d", p->b.bError);
> > >+ }
> > >+#endif
> > >+ memcpy(p->abData, data, len);
> > >+ ccid_reset_error_status(s);
> > >+}
> > >+
> > >+static void ccid_write_data_block_answer(USBCCIDState* s,
> > >+ const uint8_t* data, uint32_t len)
> > >+{
> > >+ uint8_t seq;
> > >+ uint8_t slot;
> > >+
> > >+ if (!ccid_has_pending_answers(s)) {
> > >+ abort();
> > >+ }
> > >+ ccid_remove_pending_answer(s,&slot,&seq);
> > >+ ccid_write_data_block(s, slot, seq, data, len);
> > >+}
> > >+
> > >+static void ccid_write_data_block_atr(USBCCIDState* s, CCID_Header* recv)
> > >+{
> > >+ const uint8_t *atr = NULL;
> > >+ uint32_t len = 0;
> > >+
> > >+ if (s->card) {
> > >+ atr = s->cardinfo->get_atr(s->card,&len);
> > >+ }
> > >+ ccid_write_data_block(s, recv->bSlot, recv->bSeq, atr, len);
> > >+}
> > >+
> > >+static void ccid_set_parameters(USBCCIDState *s, CCID_Header *recv)
> > >+{
> > >+ CCID_SetParameter *ph = (CCID_SetParameter *) recv;
> > >+ uint32_t len = 0;
> > >+ if (ph->bProtocolNum == 0) {
> > >+ len = 5;
> > >+ }
> > >+ if (ph->bProtocolNum == 1) {
> > >+ len = 7;
> > >+ }
> > >+ if (len == 0) {
> > >+ s->bmCommandStatus = COMMAND_STATUS_FAILED;
> > >+ s->bError = 7; /* Protocol invalid or not supported */
> > >+ return;
> > >+ }
> > >+ s->bProtocolNum = ph->bProtocolNum;
> > >+ memcpy(s->abProtocolDataStructure, ph->abProtocolDataStructure, len);
> > >+ s->ulProtocolDataStructureSize = len;
> > >+ DPRINTF(s, 1, "%s: using len %d\n", __func__, len);
> > >+}
> > >+
> > >+/* must be 5 bytes for T=0, 7 bytes for T=1
> > >+ * See page 52 */
> > >+static const uint8_t abDefaultProtocolDataStructure[7] =
> > >+ { 0x77, 0x00, 0x00, 0x00, 0x00, 0xfe /*IFSC*/, 0x00 /*NAD*/ };
> > >+
> > >+static void ccid_reset_parameters(USBCCIDState *s)
> > >+{
> > >+ uint32_t len = sizeof(abDefaultProtocolDataStructure);
> > >+
> > >+ s->bProtocolNum = 1; /* T=1 */
> > >+ s->ulProtocolDataStructureSize = len;
> > >+ memcpy(s->abProtocolDataStructure, abDefaultProtocolDataStructure,
> > >len);
> > >+}
> > >+
> > >+static void ccid_report_error_failed(USBCCIDState *s, uint8_t error)
> > >+{
> > >+ s->bmCommandStatus = COMMAND_STATUS_FAILED;
> > >+ s->bError = error;
> > >+}
> > >+
> > >+/* NOTE: only a single slot is supported (SLOT_0)
> > >+ */
> > >+static void ccid_on_slot_change(USBCCIDState* s, bool full)
> > >+{
> > >+ /* RDR_to_PC_NotifySlotChange, 6.3.1 page 56
> > >+ */
> > >+ uint8_t current = s->bmSlotICCState;
> > >+ if (full) {
> > >+ s->bmSlotICCState |= SLOT_0_STATE_MASK;
> > >+ } else {
> > >+ s->bmSlotICCState&= ~SLOT_0_STATE_MASK;
> > >+ }
> > >+ if (current != s->bmSlotICCState) {
> > >+ s->bmSlotICCState |= SLOT_0_CHANGED_MASK;
> > >+ }
> > >+ s->notify_slot_change = true;
> > >+}
> > >+
> > >+static void ccid_write_data_block_error(
> > >+ USBCCIDState *s, uint8_t slot, uint8_t seq)
> > >+{
> > >+ ccid_write_data_block(s, slot, seq, NULL, 0);
> > >+}
> > >+
> > >+static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv)
> > >+{
> > >+ uint32_t len;
> > >+
> > >+ if (ccid_card_status(s) != ICC_STATUS_PRESENT_ACTIVE) {
> > >+ DPRINTF(s, 1, "usb-ccid: not sending apdu to client, no card
> > >connected\n");
> > >+ ccid_write_data_block_error(s, recv->hdr.bSlot, recv->hdr.bSeq);
> > >+ return;
> > >+ }
> > >+ len = le32_to_cpu(recv->hdr.dwLength);
> > >+ DPRINTF(s, 1, "%s: seq %d, len %d\n", __FUNCTION__,
> > >+ recv->hdr.bSeq, len);
> > >+ ccid_add_pending_answer(s, (CCID_Header*)recv);
> > >+ if (s->card) {
> > >+ s->cardinfo->apdu_from_guest(s->card, recv->abData, len);
> > >+ } else {
> > >+ printf("warning: discarded apdu\n");
> > >+ }
> > >+}
> > >+
> > >+/* handle a single USB_TOKEN_OUT, return value returned to guest.
> > >+ * 0 - all ok
> > >+ * USB_RET_STALL - failed to handle packet */
> > >+static int ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
> > >+{
> > >+ CCID_Header* ccid_header;
> > >+
> > >+ if (p->len + s->bulk_out_pos> BULK_OUT_DATA_SIZE) {
> > >+ return USB_RET_STALL;
> > >+ }
> > >+ ccid_header = (CCID_Header*)s->bulk_out_data;
> > >+ memcpy(s->bulk_out_data + s->bulk_out_pos, p->data, p->len);
> > >+ s->bulk_out_pos += p->len;
> > >+ if (p->len == 64) {
> > >+ DPRINTF(s, 4, "usb-ccid: bulk_in: expecting more packets
> > >(%d/%d)\n",
> > >+ p->len, ccid_header->dwLength);
> > >+ return 0;
> > >+ }
> > >+ if (s->bulk_out_pos< 10) {
> > >+ DPRINTF(s, 1, "%s: bad USB_TOKEN_OUT length, should be at least
> > >10 bytes\n", __func__);
> > >+ } else {
> > >+ DPRINTF(s, 3, "%s %x\n", __func__, ccid_header->bMessageType);
> > >+ switch (ccid_header->bMessageType) {
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus:
> > >+ ccid_write_slot_status(s, ccid_header);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn:
> > >+ DPRINTF(s, 1, "PowerOn: %d\n",
> > >+ ((CCID_IccPowerOn*)(ccid_header))->bPowerSelect);
> > >+ s->powered = true;
> > >+ if (!ccid_card_inserted(s)) {
> > >+ ccid_report_error_failed(s, ERROR_ICC_MUTE);
> > >+ }
> > >+ /* atr is written regardless of error. */
> > >+ ccid_write_data_block_atr(s, ccid_header);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff:
> > >+ DPRINTF(s, 1, "PowerOff\n");
> > >+ ccid_reset_error_status(s);
> > >+ s->powered = false;
> > >+ ccid_write_slot_status(s, ccid_header);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock:
> > >+ ccid_on_apdu_from_guest(s,
> > >(CCID_XferBlock*)s->bulk_out_data);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters:
> > >+ ccid_reset_error_status(s);
> > >+ ccid_set_parameters(s, ccid_header);
> > >+ ccid_write_parameters(s, ccid_header);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters:
> > >+ ccid_reset_error_status(s);
> > >+ ccid_reset_parameters(s);
> > >+ ccid_write_parameters(s, ccid_header);
> > >+ break;
> > >+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters:
> > >+ ccid_reset_error_status(s);
> > >+ ccid_write_parameters(s, ccid_header);
> > >+ break;
> > >+ default:
> > >+ DPRINTF(s, 1, "handle_data: ERROR: unhandled message type
> > >%Xh\n",
> > >+ ccid_header->bMessageType);
> > >+ /* the caller is expecting the device to respond, tell it
> > >we
> > >+ * do't support the operation */
> > >+ ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED);
> > >+ ccid_write_slot_status(s, ccid_header);
> > >+ break;
> > >+ }
> > >+ }
> > >+ s->bulk_out_pos = 0;
> > >+ return 0;
> > >+}
> > >+
> > >+static int ccid_bulk_in_copy_to_guest(USBCCIDState *s, uint8_t *data, int
> > >len)
> > >+{
> > >+ int ret = 0;
> > >+
> > >+ assert(len>0);
> > >+ ccid_bulk_in_get(s);
> > >+ if (s->current_bulk_in != NULL) {
> > >+ ret = MIN(s->current_bulk_in->len - s->current_bulk_in->pos, len);
> > >+ memcpy(data, s->current_bulk_in->data + s->current_bulk_in->pos,
> > >ret);
> > >+ s->current_bulk_in->pos += ret;
> > >+ if (s->current_bulk_in->pos == s->current_bulk_in->len) {
> > >+ ccid_bulk_in_release(s);
> > >+ }
> > >+ } else {
> > >+ ret = USB_RET_NAK; /* return when device has no data - usb 2.0
> > >spec Table 8-4 */
> > >+ }
> > >+ if (ret> 0) {
> > >+ DPRINTF(s, 3, "%s: %d/%d req/act to guest (BULK_IN)\n", __func__,
> > >len, ret);
> > >+ }
> > >+ if (ret != USB_RET_NAK&& ret< len) {
> > >+ DPRINTF(s, 1, "%s: returning short (EREMOTEIO) %d< %d\n",
> > >__func__, ret, len);
> > >+ }
> > >+ return ret;
> > >+}
> > >+
> > >+static int ccid_handle_data(USBDevice *dev, USBPacket *p)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
> > >+ int ret = 0;
> > >+ uint8_t *data = p->data;
> > >+ int len = p->len;
> > >+
> > >+ switch (p->pid) {
> > >+ case USB_TOKEN_OUT:
> > >+ ret = ccid_handle_bulk_out(s, p);
> > >+ break;
> > >+
> > >+ case USB_TOKEN_IN:
> > >+ switch (p->devep& 0xf) {
> > >+ case CCID_BULK_IN_EP:
> > >+ if (!len) {
> > >+ ret = USB_RET_NAK;
> > >+ } else {
> > >+ ret = ccid_bulk_in_copy_to_guest(s, data, len);
> > >+ }
> > >+ break;
> > >+ case CCID_INT_IN_EP:
> > >+ if (s->notify_slot_change) {
> > >+ /* page 56, RDR_to_PC_NotifySlotChange */
> > >+ data[0] =
> > >CCID_MESSAGE_TYPE_RDR_to_PC_NotifySlotChange;
> > >+ data[1] = s->bmSlotICCState;
> > >+ ret = 2;
> > >+ s->notify_slot_change = false;
> > >+ s->bmSlotICCState&= ~SLOT_0_CHANGED_MASK;
> > >+ DPRINTF(s, 2, "handle_data: int_in:
> > >notify_slot_change %X, requested len %d\n",
> > >+ s->bmSlotICCState, len);
> > >+ }
> > >+ break;
> > >+ default:
> > >+ DPRINTF(s, 1, "Bad endpoint\n");
> > >+ break;
> > >+ }
> > >+ break;
> > >+ default:
> > >+ DPRINTF(s, 1, "Bad token\n");
> > >+ ret = USB_RET_STALL;
> > >+ break;
> > >+ }
> > >+
> > >+ return ret;
> > >+}
> > >+
> > >+static void ccid_handle_destroy(USBDevice *dev)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
> > >+
> > >+ ccid_bulk_in_clear(s);
> > >+}
> > >+
> > >+static void ccid_flush_pending_answers(USBCCIDState *s) {
> > >+ while (ccid_has_pending_answers(s)) {
> > >+ ccid_write_data_block_answer(s, NULL, 0);
> > >+ }
> > >+}
> > >+
> > >+static Answer *ccid_peek_next_answer(USBCCIDState *s)
> > >+{
> > >+ return s->pending_answers_num == 0
> > >+ ? NULL
> > >+ :&s->pending_answers[s->pending_answers_start %
> > >PENDING_ANSWERS_NUM];
> > >+}
> > >+
> > >+static void ccid_bus_dev_print(Monitor *mon, DeviceState *qdev, int
> > >indent)
> > >+{
> > >+ CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
> > >+ CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, qdev->info);
> > >+
> > >+ if (info->print) {
> > >+ info->print(mon, card, indent);
> > >+ }
> > >+}
> > >+
> > >+struct CCIDBus {
> > >+ BusState qbus;
> > >+};
> > >+
> > >+static struct BusInfo ccid_bus_info = {
> > >+ .name = "ccid-bus",
> > >+ .size = sizeof(CCIDBus),
> > >+ .print_dev = ccid_bus_dev_print,
> > >+ .props = (Property[]) {
> > >+ DEFINE_PROP_UINT32("slot", struct CCIDCardState, slot, 0),
> > >+ DEFINE_PROP_END_OF_LIST(),
> > >+ }
> > >+};
> > >+
> > >+static CCIDBus *ccid_bus_new(DeviceState *dev)
> > >+{
> > >+ CCIDBus *bus;
> > >+
> > >+ bus = FROM_QBUS(CCIDBus, qbus_create(&ccid_bus_info, dev, NULL));
> > >+ bus->qbus.allow_hotplug = 1;
> > >+
> > >+ return bus;
> > >+}
> > >+
> > >+void ccid_card_send_apdu_to_guest(CCIDCardState *card, uint8_t* apdu,
> > >uint32_t len)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+ Answer *answer;
> > >+
> > >+ if (!ccid_has_pending_answers(s)) {
> > >+ DPRINTF(s, 1, "CCID ERROR: got an APDU without pending
> > >answers\n");
> > >+ return;
> > >+ }
> > >+ s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
> > >+ answer = ccid_peek_next_answer(s);
> > >+ if (answer == NULL) {
> > >+ abort();
> > >+ }
> > >+ DPRINTF(s, 1, "APDU returned to guest %d (answer seq %d, slot %d)\n",
> > >+ len, answer->seq, answer->slot);
> > >+ ccid_write_data_block_answer(s, apdu, len);
> > >+}
> > >+
> > >+void ccid_card_card_removed(CCIDCardState *card)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ ccid_on_slot_change(s, false);
> > >+ ccid_flush_pending_answers(s);
> > >+ ccid_reset(s);
> > >+}
> > >+
> > >+int ccid_card_ccid_attach(CCIDCardState *card)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ DPRINTF(s, 1, "CCID Attach\n");
> > >+ if (s->migration_state == MIGRATION_MIGRATED) {
> > >+ s->migration_state = MIGRATION_NONE;
> > >+ }
> > >+ return 0;
> > >+}
> > >+
> > >+void ccid_card_ccid_detach(CCIDCardState *card)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ DPRINTF(s, 1, "CCID Detach\n");
> > >+ if (ccid_card_inserted(s)) {
> > >+ ccid_on_slot_change(s, false);
> > >+ }
> > >+ ccid_detach(s);
> > >+}
> > >+
> > >+void ccid_card_card_error(CCIDCardState *card, uint64_t error)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ s->bmCommandStatus = COMMAND_STATUS_FAILED;
> > >+ s->last_answer_error = error;
> > >+ DPRINTF(s, 1, "VSC_Error: %lX\n", s->last_answer_error);
> > >+ /* TODO: these error's should be more verbose and propogated to the
> > >guest.
> > >+ * */
> > >+ ccid_write_data_block_answer(s, NULL, 0);
> > >+}
> > >+
> > >+void ccid_card_card_inserted(CCIDCardState *card)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ s->bmCommandStatus = COMMAND_STATUS_NO_ERROR;
> > >+ ccid_flush_pending_answers(s);
> > >+ ccid_on_slot_change(s, true);
> > >+}
> > >+
> > >+static int ccid_card_exit(DeviceState *qdev)
> > >+{
> > >+ int ret = 0;
> > >+ CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
> > >+ CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, qdev->info);
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+
> > >+ if (ccid_card_inserted(s)) {
> > >+ ccid_card_card_removed(card);
> > >+ }
> > >+ if (info->exitfn) {
> > >+ ret = info->exitfn(card);
> > >+ }
> > >+ s->card = NULL;
> > >+ s->cardinfo = NULL;
> > >+ return ret;
> > >+}
> > >+
> > >+static int ccid_card_init(DeviceState *qdev, DeviceInfo *base)
> > >+{
> > >+ CCIDCardState *card = DO_UPCAST(CCIDCardState, qdev, qdev);
> > >+ CCIDCardInfo *info = DO_UPCAST(CCIDCardInfo, qdev, base);
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev.qdev,
> > >card->qdev.parent_bus->parent);
> > >+ int ret = 0;
> > >+
> > >+ if (card->slot != 0) {
> > >+ fprintf(stderr, "Warning: usb-ccid supports one slot, can't add
> > >%d",
> > >+ card->slot);
> > >+ return -1;
> > >+ }
> > >+ if (s->card != NULL) {
> > >+ fprintf(stderr, "Warning: usb-ccid card already full, not
> > >adding\n");
> > >+ return -1;
> > >+ }
> > >+ ret = info->initfn ? info->initfn(card) : ret;
> > >+ if (ret == 0) {
> > >+ s->card = card;
> > >+ s->cardinfo = info;
> > >+ }
> > >+ return ret;
> > >+}
> > >+
> > >+void ccid_card_qdev_register(CCIDCardInfo *card)
> > >+{
> > >+ card->qdev.bus_info =&ccid_bus_info;
> > >+ card->qdev.init = ccid_card_init;
> > >+ card->qdev.exit = ccid_card_exit;
> > >+ qdev_register(&card->qdev);
> > >+}
> > >+
> > >+static int ccid_initfn(USBDevice *dev)
> > >+{
> > >+ USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
> > >+
> > >+ s->bus = ccid_bus_new(&dev->qdev);
> > >+ s->card = NULL;
> > >+ s->cardinfo = NULL;
> > >+ s->migration_state = MIGRATION_NONE;
> > >+ s->migration_target_ip = 0;
> > >+ s->migration_target_port = 0;
> > >+ s->dev.speed = USB_SPEED_FULL;
> > >+ s->notify_slot_change = false;
> > >+ s->powered = true;
> > >+ s->pending_answers_num = 0;
> > >+ s->last_answer_error = 0;
> > >+ s->bulk_in_pending_start = 0;
> > >+ s->bulk_in_pending_end = 0;
> > >+ s->current_bulk_in = NULL;
> > >+ ccid_reset_error_status(s);
> > >+ s->bulk_out_pos = 0;
> > >+ ccid_reset_parameters(s);
> > >+ ccid_reset(s);
> > >+ return 0;
> > >+}
> > >+
> > >+#ifdef ENABLE_MIGRATION
> > >+static int ccid_post_load(void *opaque, int version_id)
> > >+{
> > >+ USBCCIDState *s = opaque;
> > >+
> > >+ // This must be done after usb_device_attach, which sets state to
> > >ATTACHED,
> > >+ // while it must be DEFAULT in order to accept packets (like it is
> > >after
> > >+ // reset, but reset will reset our addr and call our reset handler
> > >which
> > >+ // may change state, and we don't want to do that when migrating).
> > >+ s->dev.state = s->state_vmstate;
> > >+ return 0;
> > >+}
> > >+
> > >+static void ccid_pre_save(void *opaque)
> > >+{
> > >+ USBCCIDState *s = opaque;
> > >+
> > >+ s->state_vmstate = s->dev.state;
> > >+ if (s->dev.attached) {
> > >+ // migrating an open device, ignore reconnection CHR_EVENT to
> > >avoid an
> > >+ // erronous detach.
> > >+ s->migration_state = MIGRATION_MIGRATED;
> > >+ }
> > >+}
> > >+
> > >+static VMStateDescription bulk_in_vmstate = {
> > >+ .name = "CCID BulkIn state",
> > >+ .version_id = 1,
> > >+ .minimum_version_id = 1,
> > >+ .fields = (VMStateField []) {
> > >+ VMSTATE_BUFFER(data, BulkIn),
> > >+ VMSTATE_UINT32(len, BulkIn),
> > >+ VMSTATE_UINT32(pos, BulkIn),
> > >+ VMSTATE_END_OF_LIST()
> > >+ }
> > >+};
> > >+
> > >+static VMStateDescription answer_vmstate = {
> > >+ .name = "CCID Answer state",
> > >+ .version_id = 1,
> > >+ .minimum_version_id = 1,
> > >+ .fields = (VMStateField []) {
> > >+ VMSTATE_UINT8(slot, Answer),
> > >+ VMSTATE_UINT8(seq, Answer),
> > >+ VMSTATE_END_OF_LIST()
> > >+ }
> > >+};
> > >+
> > >+static VMStateDescription usb_device_vmstate = {
> > >+ .name = "usb_device",
> > >+ .version_id = 1,
> > >+ .minimum_version_id = 1,
> > >+ .fields = (VMStateField []) {
> > >+ VMSTATE_UINT8(addr, USBDevice),
> > >+ VMSTATE_BUFFER(setup_buf, USBDevice),
> > >+ VMSTATE_BUFFER(data_buf, USBDevice),
> > >+ VMSTATE_END_OF_LIST()
> > >+ }
> > >+};
> > >+
> > >+static VMStateDescription ccid_vmstate = {
> > >+ .name = CCID_DEV_NAME,
> > >+ .version_id = 1,
> > >+ .minimum_version_id = 1,
> > >+ .post_load = ccid_post_load,
> > >+ .pre_save = ccid_pre_save,
> > >+ .fields = (VMStateField []) {
> > >+ VMSTATE_STRUCT(dev, USBCCIDState, 1, usb_device_vmstate,
> > >USBDevice),
> > >+ VMSTATE_UINT8(debug, USBCCIDState),
> > >+ VMSTATE_BUFFER(bulk_out_data, USBCCIDState),
> > >+ VMSTATE_UINT32(bulk_out_pos, USBCCIDState),
> > >+ VMSTATE_UINT8(bmSlotICCState, USBCCIDState),
> > >+ VMSTATE_UINT8(powered, USBCCIDState),
> > >+ VMSTATE_UINT8(notify_slot_change, USBCCIDState),
> > >+ VMSTATE_UINT64(last_answer_error, USBCCIDState),
> > >+ VMSTATE_UINT8(bError, USBCCIDState),
> > >+ VMSTATE_UINT8(bmCommandStatus, USBCCIDState),
> > >+ VMSTATE_UINT8(bProtocolNum, USBCCIDState),
> > >+ VMSTATE_BUFFER(abProtocolDataStructure, USBCCIDState),
> > >+ VMSTATE_UINT32(ulProtocolDataStructureSize, USBCCIDState),
> > >+ VMSTATE_STRUCT_ARRAY(bulk_in_pending, USBCCIDState,
> > >+ BULK_IN_PENDING_NUM, 1, bulk_in_vmstate, BulkIn),
> > >+ VMSTATE_UINT32(bulk_in_pending_start, USBCCIDState),
> > >+ VMSTATE_UINT32(bulk_in_pending_end, USBCCIDState),
> > >+ VMSTATE_STRUCT_ARRAY(pending_answers, USBCCIDState,
> > >+ PENDING_ANSWERS_NUM, 1, answer_vmstate, Answer),
> > >+ VMSTATE_UINT32(pending_answers_num, USBCCIDState),
> > >+ VMSTATE_UINT8(migration_state, USBCCIDState),
> > >+ VMSTATE_UINT32(state_vmstate, USBCCIDState),
> > >+ VMSTATE_END_OF_LIST()
> > >+ }
> > >+};
> > >+#endif // ENABLE_MIGRATION
> > >+
> > >+static struct USBDeviceInfo ccid_info = {
> > >+ .product_desc = "QEMU USB CCID",
> > >+ .qdev.name = CCID_DEV_NAME,
> > >+ .qdev.size = sizeof(USBCCIDState),
> > >+ .init = ccid_initfn,
> > >+ .handle_packet = usb_generic_handle_packet,
> > >+ .handle_reset = ccid_handle_reset,
> > >+ .handle_control = ccid_handle_control,
> > >+ .handle_data = ccid_handle_data,
> > >+ .handle_destroy = ccid_handle_destroy,
> > >+ .usbdevice_name = "ccid",
> > >+ .qdev.props = (Property[]) {
> > >+ DEFINE_PROP_UINT8("debug", USBCCIDState, debug, 0),
> > >+ DEFINE_PROP_END_OF_LIST(),
> > >+ },
> > >+#ifdef ENABLE_MIGRATION
> > >+ .qdev.vmsd =&ccid_vmstate,
> > >+#endif
> > >+};
> >
> > Why is ENABLE_MIGRATION conditional?
> >
>
> A third oops. Will fix.
>
Actually it was fixed, just in the "v15->v16" corrections.
Will be easier to spot in v17.
> > Regards,
> >
> > ANthony Liguori
> >
> > >+
> > >+
> > >+static void ccid_register_devices(void)
> > >+{
> > >+ usb_qdev_register(&ccid_info);
> > >+}
> > >+device_init(ccid_register_devices)
> >
> >
>
- Re: [Qemu-devel] [PATCH 03/20] qdev-properties: add PROP_TYPE_ENUM, (continued)
- [Qemu-devel] [PATCH 08/20] libcacard/vscard_common.h update (v15->v16), Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 09/20] ccid: add passthru card device, Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 10/20] ccid-card-passthru: review fixes (v15->v16), Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 14/20] ccid-card-emulated: use PROP_TYPE_ENUM for backend, Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 15/20] ccid-card-emulated: review fixes (v15->v16), Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 20/20] smartcard,configure: report only nss, Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 12/20] libcacard: fixes from review (v15->v16), Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 17/20] ccid: configure: add --enable/disable and nss only disable, Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 18/20] ccid: add qdev description strings, Alon Levy, 2011/02/02
- [Qemu-devel] [PATCH 19/20] smartcard, configure: add --enable-smartcard-nss, report only nss, Alon Levy, 2011/02/02