qemu/0226-dev-smartcard-reader-nicer-debug-messages.patch

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From 5220cd7238ea12e4fa361372706dc81ae0e6b54a Mon Sep 17 00:00:00 2001
From: Alon Levy <alevy@redhat.com>
Date: Mon, 4 Mar 2013 18:50:33 +0200
Subject: [PATCH] dev-smartcard-reader: nicer debug messages
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Alon Levy <alevy@redhat.com>
Reviewed-by: Marc-André Lureau <mlureau@redhat.com>
(cherry picked from commit 7e1ac5abe3fbbfee4ddfc2d9971a644bd787e055)
---
hw/usb/dev-smartcard-reader.c | 69 +++++++++++++++++++++++++++++++++++++++----
1 file changed, 63 insertions(+), 6 deletions(-)
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 24c84ce..173dcc9 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -639,13 +639,47 @@ static void ccid_handle_reset(USBDevice *dev)
ccid_reset(s);
}
+static const char *ccid_control_to_str(USBCCIDState *s, int request)
+{
+ switch (request) {
+ /* generic - should be factored out if there are other debugees */
+ case DeviceOutRequest | USB_REQ_SET_ADDRESS:
+ return "(generic) set address";
+ case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
+ return "(generic) get descriptor";
+ case DeviceRequest | USB_REQ_GET_CONFIGURATION:
+ return "(generic) get configuration";
+ case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
+ return "(generic) set configuration";
+ case DeviceRequest | USB_REQ_GET_STATUS:
+ return "(generic) get status";
+ case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
+ return "(generic) clear feature";
+ case DeviceOutRequest | USB_REQ_SET_FEATURE:
+ return "(generic) set_feature";
+ case InterfaceRequest | USB_REQ_GET_INTERFACE:
+ return "(generic) get interface";
+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
+ return "(generic) set interface";
+ /* class requests */
+ case ClassInterfaceOutRequest | CCID_CONTROL_ABORT:
+ return "ABORT";
+ case ClassInterfaceRequest | CCID_CONTROL_GET_CLOCK_FREQUENCIES:
+ return "GET_CLOCK_FREQUENCIES";
+ case ClassInterfaceRequest | CCID_CONTROL_GET_DATA_RATES:
+ return "GET_DATA_RATES";
+ }
+ return "unknown";
+}
+
static void ccid_handle_control(USBDevice *dev, USBPacket *p, int request,
int value, int index, int length, uint8_t *data)
{
USBCCIDState *s = DO_UPCAST(USBCCIDState, dev, dev);
int ret;
- DPRINTF(s, 1, "got control %x, value %x\n", request, value);
+ DPRINTF(s, 1, "%s: got control %s (%x), value %x\n", __func__,
+ ccid_control_to_str(s, request), request, value);
ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
if (ret >= 0) {
return;
@@ -695,7 +729,7 @@ static uint8_t ccid_calc_status(USBCCIDState *s)
* bmCommandStatus
*/
uint8_t ret = ccid_card_status(s) | (s->bmCommandStatus << 6);
- DPRINTF(s, D_VERBOSE, "status = %d\n", ret);
+ DPRINTF(s, D_VERBOSE, "%s: status = %d\n", __func__, ret);
return ret;
}
@@ -756,7 +790,7 @@ static void ccid_write_data_block(USBCCIDState *s, uint8_t slot, uint8_t seq,
p->b.bStatus = ccid_calc_status(s);
p->b.bError = s->bError;
if (p->b.bError) {
- DPRINTF(s, D_VERBOSE, "error %d", p->b.bError);
+ DPRINTF(s, D_VERBOSE, "error %d\n", p->b.bError);
}
memcpy(p->abData, data, len);
ccid_reset_error_status(s);
@@ -873,6 +907,28 @@ static void ccid_on_apdu_from_guest(USBCCIDState *s, CCID_XferBlock *recv)
}
}
+static const char *ccid_message_type_to_str(uint8_t type)
+{
+ switch (type) {
+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn: return "IccPowerOn";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff: return "IccPowerOff";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus: return "GetSlotStatus";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock: return "XfrBlock";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters: return "GetParameters";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters: return "ResetParameters";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters: return "SetParameters";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_Escape: return "Escape";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccClock: return "IccClock";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_T0APDU: return "T0APDU";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_Secure: return "Secure";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical: return "Mechanical";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_Abort: return "Abort";
+ case CCID_MESSAGE_TYPE_PC_to_RDR_SetDataRateAndClockFrequency:
+ return "SetDataRateAndClockFrequency";
+ }
+ return "unknown";
+}
+
static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
{
CCID_Header *ccid_header;
@@ -895,13 +951,15 @@ static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
"%s: bad USB_TOKEN_OUT length, should be at least 10 bytes\n",
__func__);
} else {
- DPRINTF(s, D_MORE_INFO, "%s %x\n", __func__, ccid_header->bMessageType);
+ DPRINTF(s, D_MORE_INFO, "%s %x %s\n", __func__,
+ ccid_header->bMessageType,
+ ccid_message_type_to_str(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",
+ DPRINTF(s, 1, "%s: PowerOn: %d\n", __func__,
((CCID_IccPowerOn *)(ccid_header))->bPowerSelect);
s->powered = true;
if (!ccid_card_inserted(s)) {
@@ -911,7 +969,6 @@ static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
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);