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Improve CDROM_GetIdeInterface (becomes CDROM_GetInterfaceInfo), in 

order to better support SCSI drives.
oldstable
Yorick Hardy 2003-06-04 20:15:59 +00:00 committed by Alexandre Julliard
parent 78b38a114c
commit 4b1f667e73
1 changed files with 22 additions and 14 deletions
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36
dlls/ntdll/cdrom.c
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@ -342,15 +342,16 @@ static void CDROM_ClearCacheEntry(int dev)
/******************************************************************
* CDROM_GetIdeInterface
* CDROM_GetInterfaceInfo
*
* Determines the ide interface (the number after the ide), and the
* number of the device on that interface for ide cdroms.
* 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
*
* NOTE: this function is used in CDROM_InitRegistry and CDROM_GetAddress
*/
static int CDROM_GetIdeInterface(int fd, int* iface, int* device)
static int CDROM_GetInterfaceInfo(int fd, int* port, int* iface, int* device,int* lun)
{
#if defined(linux)
{
@ -365,6 +366,8 @@ static int CDROM_GetIdeInterface(int fd, int* iface, int* device)
FIXME("cdrom not a block device!!!\n");
return 0;
}
*port = 0;
*lun = 0;
switch (major(st.st_rdev)) {
case IDE0_MAJOR: *iface = 0; break;
case IDE1_MAJOR: *iface = 1; break;
@ -387,12 +390,15 @@ static int CDROM_GetIdeInterface(int fd, int* iface, int* device)
struct scsi_addr addr;
if (ioctl(fd, SCIOCIDENTIFY, &addr) != -1) {
switch (addr.type) {
/* for SCSI copy linux case, i.e. start at *iface = 11 */
case TYPE_SCSI: *iface = 11 + addr.addr.scsi.scbus;
case TYPE_SCSI: *port = 1;
*iface = addr.addr.scsi.scbus;
*device = addr.addr.scsi.target;
*lun = addr.addr.scsi.lun;
break;
case TYPE_ATAPI: *iface = addr.addr.atapi.atbus;
case TYPE_ATAPI: *port = 0;
*iface = addr.addr.atapi.atbus;
*device = addr.addr.atapi.drive;
*lun = 0;
break;
}
return 1;
@ -420,7 +426,7 @@ static int CDROM_GetIdeInterface(int fd, int* iface, int* device)
*/
void CDROM_InitRegistry(int fd)
{
int portnum, targetid;
int portnum, busid, targetid, lun;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
WCHAR dataW[50];
@ -441,7 +447,7 @@ void CDROM_InitRegistry(int fd)
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if ( ! CDROM_GetIdeInterface(fd, &portnum, &targetid))
if ( ! CDROM_GetInterfaceInfo(fd, &portnum, &busid, &targetid, &lun))
return;
/* Ensure there is Scsi key */
@ -454,7 +460,7 @@ void CDROM_InitRegistry(int fd)
}
RtlFreeUnicodeString( &nameW );
snprintf(buffer,40,"Scsi Port %d",portnum);
snprintf(buffer,sizeof(buffer),"Scsi Port %d",portnum);
attr.RootDirectory = scsiKey;
if (!RtlCreateUnicodeStringFromAsciiz( &nameW, buffer ) ||
NtCreateKey( &portKey, KEY_ALL_ACCESS, &attr, 0,
@ -488,8 +494,9 @@ void CDROM_InitRegistry(int fd)
NtSetValueKey( portKey,&nameW, 0, REG_DWORD, (BYTE *)&value, sizeof(DWORD));
RtlFreeUnicodeString( &nameW );
snprintf(buffer,40,"Scsi Bus %d", busid);
attr.RootDirectory = portKey;
if (!RtlCreateUnicodeStringFromAsciiz( &nameW, "Scsi Bus 0" ) ||
if (!RtlCreateUnicodeStringFromAsciiz( &nameW, buffer ) ||
NtCreateKey( &busKey, KEY_ALL_ACCESS, &attr, 0,
NULL, REG_OPTION_VOLATILE, &disp ))
{
@ -1621,16 +1628,17 @@ static DWORD CDROM_ScsiPassThrough(int dev, PSCSI_PASS_THROUGH pPacket)
*/
static DWORD CDROM_GetAddress(int dev, SCSI_ADDRESS* address)
{
int portnum, targetid;
int portnum, busid, targetid, lun;
address->Length = sizeof(SCSI_ADDRESS);
address->PathId = 0; /* bus number */
address->Lun = 0;
if ( ! CDROM_GetIdeInterface(cdrom_cache[dev].fd, &portnum, &targetid))
if ( ! CDROM_GetInterfaceInfo(cdrom_cache[dev].fd, &portnum,
&busid, &targetid, &lun))
return STATUS_NOT_SUPPORTED;
address->PortNumber = portnum;
address->PathId = busid; /* bus number */
address->TargetId = targetid;
address->Lun = lun;
return STATUS_SUCCESS;
}