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ntdll: Implement CDROM_ScsiGetCaps() on Mac OS.

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Charles Davis 2009-10-19 12:15:18 -06:00 committed by Alexandre Julliard
parent d22abc20a3
commit 816a78b0cf
1 changed files with 20 additions and 3 deletions
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23
dlls/ntdll/cdrom.c
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@ -1892,12 +1892,12 @@ static NTSTATUS CDROM_ScsiPassThrough(int fd, PSCSI_PASS_THROUGH pPacket)
* *
* *
*/ */
static NTSTATUS CDROM_ScsiGetCaps(PIO_SCSI_CAPABILITIES caps) static NTSTATUS CDROM_ScsiGetCaps(int fd, PIO_SCSI_CAPABILITIES caps)
{ {
NTSTATUS ret = STATUS_NOT_IMPLEMENTED; NTSTATUS ret = STATUS_NOT_IMPLEMENTED;
caps->Length = sizeof(*caps);
#ifdef SG_SCATTER_SZ #ifdef SG_SCATTER_SZ
caps->Length = sizeof(*caps);
caps->MaximumTransferLength = SG_SCATTER_SZ; /* FIXME */ caps->MaximumTransferLength = SG_SCATTER_SZ; /* FIXME */
caps->MaximumPhysicalPages = SG_SCATTER_SZ / getpagesize(); caps->MaximumPhysicalPages = SG_SCATTER_SZ / getpagesize();
caps->SupportedAsynchronousEvents = TRUE; caps->SupportedAsynchronousEvents = TRUE;
@ -1906,6 +1906,23 @@ static NTSTATUS CDROM_ScsiGetCaps(PIO_SCSI_CAPABILITIES caps)
caps->AdapterScansDown = FALSE; /* FIXME ? */ caps->AdapterScansDown = FALSE; /* FIXME ? */
caps->AdapterUsesPio = FALSE; /* FIXME ? */ caps->AdapterUsesPio = FALSE; /* FIXME ? */
ret = STATUS_SUCCESS; ret = STATUS_SUCCESS;
#elif defined __APPLE__
uint64_t bytesr, bytesw, align;
int io = ioctl(fd, DKIOCGETMAXBYTECOUNTREAD, &bytesr);
if (io != 0) return CDROM_GetStatusCode(io);
io = ioctl(fd, DKIOCGETMAXBYTECOUNTWRITE, &bytesw);
if (io != 0) return CDROM_GetStatusCode(io);
io = ioctl(fd, DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT, &align);
if (io != 0) return CDROM_GetStatusCode(io);
caps->Length = sizeof(*caps);
caps->MaximumTransferLength = bytesr < bytesw ? bytesr : bytesw;
caps->MaximumPhysicalPages = caps->MaximumTransferLength / getpagesize();
caps->SupportedAsynchronousEvents = TRUE;
caps->AlignmentMask = align-1;
caps->TaggedQueuing = FALSE; /* we could check that it works and answer TRUE */
caps->AdapterScansDown = FALSE; /* FIXME ? */
caps->AdapterUsesPio = FALSE; /* FIXME ? */
ret = STATUS_SUCCESS;
#else #else
FIXME("Unimplemented\n"); FIXME("Unimplemented\n");
#endif #endif
@ -2882,7 +2899,7 @@ NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
sz = sizeof(IO_SCSI_CAPABILITIES); sz = sizeof(IO_SCSI_CAPABILITIES);
if (lpOutBuffer == NULL) status = STATUS_INVALID_PARAMETER; if (lpOutBuffer == NULL) status = STATUS_INVALID_PARAMETER;
else if (nOutBufferSize < sizeof(IO_SCSI_CAPABILITIES)) status = STATUS_BUFFER_TOO_SMALL; else if (nOutBufferSize < sizeof(IO_SCSI_CAPABILITIES)) status = STATUS_BUFFER_TOO_SMALL;
else status = CDROM_ScsiGetCaps(lpOutBuffer); else status = CDROM_ScsiGetCaps(fd, lpOutBuffer);
break; break;
case IOCTL_DVD_START_SESSION: case IOCTL_DVD_START_SESSION:
sz = sizeof(DVD_SESSION_ID); sz = sizeof(DVD_SESSION_ID);