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Add support for SCSI CD-ROMs to CDROM_GetInterfaceInfo(). 

Fix device number for IDE CD-ROMs.  Return 0 for unsupported drives.
This commit is contained in:
Pavel Roskin 2003-10-03 04:33:25 +00:00 committed by Alexandre Julliard
parent 6ce0569ada
commit 8956e41b82
1 changed files with 30 additions and 13 deletions
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43
dlls/ntdll/cdrom.c
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@ -43,6 +43,9 @@
#ifdef HAVE_SCSI_SG_H
# include <scsi/sg.h>
#endif
#ifdef HAVE_SCSI_SCSI_IOCTL_H
# include <scsi/scsi_ioctl.h>
#endif
#ifdef HAVE_LINUX_MAJOR_H
# include <linux/major.h>
#endif
@ -351,8 +354,8 @@ static void CDROM_ClearCacheEntry(int dev)
*
* Determines the ide interface (the number after the ide), and the
* number of the device on that interface for ide cdroms (*port == 0).
* Determines the scsi information for scsi cdroms (*port == 1).
* Returns false if the info could not be get
* Determines the scsi information for scsi cdroms (*port >= 1).
* Returns false if the info cannot not be obtained.
*
* NOTE: this function is used in CDROM_InitRegistry and CDROM_GetAddress
*/
@ -361,17 +364,13 @@ static int CDROM_GetInterfaceInfo(int fd, int* port, int* iface, int* device,int
#if defined(linux)
{
struct stat st;
#ifdef SG_EMULATED_HOST
if (ioctl(fd, SG_EMULATED_HOST) != -1) {
FIXME("not implemented for true scsi drives\n");
return 0;
}
#endif
if ( fstat(fd, &st) == -1 || ! S_ISBLK(st.st_mode)) {
FIXME("cdrom not a block device!!!\n");
return 0;
}
*port = 0;
*iface = 0;
*device = 0;
*lun = 0;
switch (major(st.st_rdev)) {
case IDE0_MAJOR: *iface = 0; break;
@ -382,12 +381,30 @@ static int CDROM_GetInterfaceInfo(int fd, int* port, int* iface, int* device,int
case IDE5_MAJOR: *iface = 5; break;
case IDE6_MAJOR: *iface = 6; break;
case IDE7_MAJOR: *iface = 7; break;
case SCSI_CDROM_MAJOR: *iface = 11; break;
default:
FIXME("CD-ROM device with major ID %d not supported\n", major(st.st_rdev));
break;
default: *port = 1; break;
}
if (*port == 0)
*device = (minor(st.st_rdev) >> 6);
else
{
#ifdef SCSI_IOCTL_GET_IDLUN
UINT32 idlun[2];
if (ioctl(fd, SCSI_IOCTL_GET_IDLUN, &idlun) != -1)
{
*port = ((idlun[0] >> 24) & 0xff) + 1;
*iface = (idlun[0] >> 16) & 0xff;
*device = idlun[0] & 0xff;
*lun = (idlun[0] >> 8) & 0xff;
}
else
#endif
{
FIXME("CD-ROM device (%d, %d) not supported\n",
major(st.st_rdev), minor(st.st_rdev));
return 0;
}
}
*device = (minor(st.st_rdev) == 63 ? 1 : 0);
return 1;
}
#elif defined(__NetBSD__)