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Check for a busy device in AtapiInterrupt().
svn path=/trunk/; revision=3458
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: atapi.c,v 1.27 2002/08/28 18:36:18 ekohl Exp $
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/* $Id: atapi.c,v 1.28 2002/09/04 21:33:26 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS ATAPI miniport driver
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@ -704,7 +704,6 @@ AtapiInterrupt(IN PVOID DeviceExtension)
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ULONG SectorSize;
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ULONG TransferSize;
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DPRINT("AtapiInterrupt() called!\n");
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DevExt = (PATAPI_MINIPORT_EXTENSION)DeviceExtension;
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@ -727,6 +726,26 @@ AtapiInterrupt(IN PVOID DeviceExtension)
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IsLastBlock = FALSE;
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DeviceStatus = IDEReadStatus(CommandPortBase);
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DPRINT("DeviceStatus: %x\n", DeviceStatus);
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if (DeviceStatus & IDE_SR_BUSY)
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{
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/* Wait for BUSY to drop */
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for (Retries = 0; Retries < IDE_MAX_BUSY_RETRIES; Retries++)
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{
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DeviceStatus = IDEReadStatus(CommandPortBase);
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if (!(DeviceStatus & IDE_SR_BUSY))
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{
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break;
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}
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ScsiPortStallExecution(10);
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}
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if (Retries >= IDE_MAX_BUSY_RETRIES)
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{
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DPRINT1("Drive is BUSY for too long\n");
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/* FIXME: handle timeout */
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}
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}
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if ((DeviceStatus & IDE_SR_ERR) &&
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(Srb->Cdb[0] != SCSIOP_REQUEST_SENSE))
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