509 lines
13 KiB
C
509 lines
13 KiB
C
/**************************************************************************
|
|
ASPI routines
|
|
(C) 2000 David Elliott <dfe@netnitco.net>
|
|
Licensed under the WINE (X11) license
|
|
*/
|
|
|
|
/* These routines are to be called from either WNASPI32 or WINASPI */
|
|
|
|
/* FIXME:
|
|
* - Registry format is stupid for now.. fix that later
|
|
* - No way to override automatic /proc detection, maybe provide an
|
|
* HKEY_LOCAL_MACHINE\Software\Wine\Wine\Scsi regkey
|
|
* - Somewhat debating an #ifdef linux... technically all this code will
|
|
* run on another UNIX.. it will fail nicely.
|
|
* - Please add support for mapping multiple channels on host adapters to
|
|
* aspi controllers, e-mail me if you need help.
|
|
*/
|
|
|
|
/*
|
|
Registry format is currently:
|
|
HKEY_DYN_DATA
|
|
WineScsi
|
|
(default)=number of host adapters
|
|
hHHcCCtTTdDD=linux device name
|
|
*/
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include "debugtools.h"
|
|
#include "winreg.h"
|
|
#include "winerror.h"
|
|
#include "winescsi.h"
|
|
#include "file.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(aspi);
|
|
|
|
/* Internal function prototypes */
|
|
static void
|
|
SCSI_GetProcinfo();
|
|
|
|
static void
|
|
SCSI_MapHCtoController();
|
|
|
|
/* Exported functions */
|
|
void
|
|
SCSI_Init()
|
|
{
|
|
/* For now we just call SCSI_GetProcinfo */
|
|
SCSI_GetProcinfo();
|
|
SCSI_MapHCtoController();
|
|
}
|
|
|
|
int
|
|
ASPI_GetNumControllers()
|
|
{
|
|
HKEY hkeyScsi;
|
|
HKEY hkeyControllerMap;
|
|
DWORD error;
|
|
DWORD type = REG_DWORD;
|
|
DWORD num_ha = 0;
|
|
DWORD cbData = sizeof(num_ha);
|
|
|
|
if( RegOpenKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, KEY_ALL_ACCESS, &hkeyScsi ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
return 0;
|
|
}
|
|
|
|
if( (error=RegOpenKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, KEY_ALL_ACCESS, &hkeyControllerMap )) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
|
|
RegCloseKey(hkeyScsi);
|
|
SetLastError(error);
|
|
return 0;
|
|
}
|
|
if( RegQueryValueExA(hkeyControllerMap, NULL, NULL, &type, (LPBYTE)&num_ha, &cbData ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not query value HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
num_ha=0;
|
|
}
|
|
RegCloseKey(hkeyControllerMap);
|
|
RegCloseKey(hkeyScsi);
|
|
TRACE("Returning %ld host adapters\n", num_ha );
|
|
return num_ha;
|
|
}
|
|
|
|
BOOL
|
|
SCSI_GetDeviceName( int h, int c, int t, int d, LPSTR devstr, LPDWORD lpcbData )
|
|
{
|
|
|
|
char idstr[20];
|
|
HKEY hkeyScsi;
|
|
DWORD type;
|
|
|
|
if( RegOpenKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, KEY_ALL_ACCESS, &hkeyScsi ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
sprintf(idstr, "h%02dc%02dt%02dd%02d", h, c, t, d);
|
|
|
|
if( RegQueryValueExA(hkeyScsi, idstr, NULL, &type, devstr, lpcbData) != ERROR_SUCCESS )
|
|
{
|
|
WARN("Could not query value HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, idstr);
|
|
RegCloseKey(hkeyScsi);
|
|
return FALSE;
|
|
}
|
|
RegCloseKey(hkeyScsi);
|
|
|
|
TRACE("scsi %s: Device name: %s\n",idstr,devstr);
|
|
return TRUE;
|
|
}
|
|
|
|
/* SCSI_GetHCforController
|
|
* RETURNS
|
|
* HIWORD: Host Adapter
|
|
* LOWORD: Channel
|
|
*/
|
|
DWORD
|
|
ASPI_GetHCforController( int controller )
|
|
{
|
|
DWORD hc = 0xFFFFFFFF;
|
|
char cstr[20];
|
|
DWORD error;
|
|
HKEY hkeyScsi;
|
|
HKEY hkeyControllerMap;
|
|
DWORD type = REG_DWORD;
|
|
DWORD cbData = sizeof(DWORD);
|
|
DWORD disposition;
|
|
#if 0
|
|
FIXME("Please fix to map each channel of each host adapter to the proper ASPI controller number!\n");
|
|
hc = (controller << 16);
|
|
return hc;
|
|
#endif
|
|
if( (error=RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition )) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
SetLastError(error);
|
|
return hc;
|
|
}
|
|
if( disposition != REG_OPENED_EXISTING_KEY )
|
|
{
|
|
WARN("Created HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
}
|
|
if( (error=RegCreateKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyControllerMap, &disposition )) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
|
|
RegCloseKey(hkeyScsi);
|
|
SetLastError(error);
|
|
return hc;
|
|
}
|
|
if( disposition != REG_OPENED_EXISTING_KEY )
|
|
{
|
|
WARN("Created HKEY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
|
|
}
|
|
|
|
sprintf(cstr, "c%02d", controller);
|
|
if( (error=RegQueryValueExA( hkeyControllerMap, cstr, 0, &type, (LPBYTE)&hc, &cbData)) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HKEY_DYN_DATA\\%s\\%s\\%s, error=%lx\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP, cstr, error );
|
|
SetLastError( error );
|
|
}
|
|
RegCloseKey(hkeyControllerMap);
|
|
RegCloseKey(hkeyScsi);
|
|
return hc;
|
|
|
|
};
|
|
|
|
int
|
|
SCSI_OpenDevice( int h, int c, int t, int d )
|
|
{
|
|
char devstr[20];
|
|
DWORD cbData = 20;
|
|
int fd = -1;
|
|
|
|
if(!SCSI_GetDeviceName( h, c, t, d, devstr, &cbData ))
|
|
{
|
|
WARN("Could not get device name for h%02dc%02dt%02dd%02d\n", h, c, t, d);
|
|
return -1;
|
|
}
|
|
|
|
TRACE("Opening device %s mode O_RDWR\n",devstr);
|
|
fd = open(devstr, O_RDWR);
|
|
|
|
if( fd < 0 )
|
|
{
|
|
TRACE("open failed\n");
|
|
FILE_SetDosError(); /* SetLastError() to errno */
|
|
TRACE("GetLastError: %ld\n", GetLastError());
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
#ifdef linux
|
|
/* SCSI_Fix_CMD_LEN
|
|
* Checks to make sure the CMD_LEN is correct
|
|
*/
|
|
void
|
|
SCSI_Fix_CMD_LEN(int fd, int cmd, int len)
|
|
{
|
|
int index=(cmd>>5)&7;
|
|
|
|
if (len!=scsi_command_size[index])
|
|
{
|
|
TRACE("CDBLen for command %d claims to be %d, expected %d\n",
|
|
cmd, len, scsi_command_size[index]);
|
|
ioctl(fd,SG_NEXT_CMD_LEN,&len);
|
|
}
|
|
}
|
|
|
|
int
|
|
SCSI_LinuxSetTimeout( int fd, int timeout )
|
|
{
|
|
int retval;
|
|
TRACE("Setting timeout to %d jiffies\n", timeout);
|
|
retval=ioctl(fd,SG_SET_TIMEOUT,&timeout);
|
|
if(retval)
|
|
{
|
|
WARN("Could not set timeout errno=%d!\n",errno);
|
|
}
|
|
return retval;
|
|
|
|
}
|
|
|
|
/* This function takes care of the write/read to the linux sg device.
|
|
* It returns TRUE or FALSE and uses FILE_SetDosError() to convert
|
|
* UNIX errno to Windows GetLastError(). The reason for that is that
|
|
* several programs will check that error and we might as well set
|
|
* it here. We also return the value of the read call in
|
|
* lpcbBytesReturned.
|
|
*/
|
|
BOOL /* NOTE: This function SHOULD BLOCK */
|
|
SCSI_LinuxDeviceIo( int fd,
|
|
struct sg_header * lpInBuffer, DWORD cbInBuffer,
|
|
struct sg_header * lpOutBuffer, DWORD cbOutBuffer,
|
|
LPDWORD lpcbBytesReturned )
|
|
{
|
|
DWORD dwBytes;
|
|
DWORD save_error;
|
|
|
|
TRACE("Writing to Liunx sg device\n");
|
|
dwBytes = write( fd, lpInBuffer, cbInBuffer );
|
|
if( dwBytes != cbInBuffer )
|
|
{
|
|
FILE_SetDosError();
|
|
save_error = GetLastError();
|
|
WARN("Not enough bytes written to scsi device. bytes=%ld .. %ld\n", cbInBuffer, dwBytes );
|
|
if( save_error == ERROR_NOT_ENOUGH_MEMORY )
|
|
MESSAGE("Your Linux kernel was not able to handle the amount of data sent to the scsi device. Try recompiling with a larger SG_BIG_BUFF value (kernel 2.0.x sg.h");
|
|
WARN("error= %ld\n", save_error );
|
|
*lpcbBytesReturned = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
TRACE("Reading reply from Linux sg device\n");
|
|
*lpcbBytesReturned = read( fd, lpOutBuffer, cbOutBuffer );
|
|
if( *lpcbBytesReturned != cbOutBuffer )
|
|
{
|
|
FILE_SetDosError();
|
|
save_error = GetLastError();
|
|
WARN("Not enough bytes read from scsi device. bytes=%ld .. %ld\n", cbOutBuffer, *lpcbBytesReturned);
|
|
WARN("error= %ld\n", save_error );
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* Internal functions */
|
|
struct LinuxProcScsiDevice
|
|
{
|
|
int host;
|
|
int channel;
|
|
int target;
|
|
int lun;
|
|
char vendor[9];
|
|
char model[17];
|
|
char rev[5];
|
|
char type[33];
|
|
int ansirev;
|
|
};
|
|
|
|
static int
|
|
SCSI_getprocentry( FILE * procfile, struct LinuxProcScsiDevice * dev )
|
|
{
|
|
int result;
|
|
result = fscanf( procfile,
|
|
"Host: scsi%d Channel: %d Id: %d Lun: %d\n",
|
|
&dev->host,
|
|
&dev->channel,
|
|
&dev->target,
|
|
&dev->lun );
|
|
if( result == EOF )
|
|
return EOF;
|
|
if( result != 4 )
|
|
return 0;
|
|
result = fscanf( procfile,
|
|
" Vendor: %8c Model: %16c Rev: %4c\n",
|
|
dev->vendor,
|
|
dev->model,
|
|
dev->rev );
|
|
if( result != 3 )
|
|
return 0;
|
|
|
|
result = fscanf( procfile,
|
|
" Type: %32c ANSI SCSI revision: %d\n",
|
|
dev->type,
|
|
&dev->ansirev );
|
|
if( result != 2 )
|
|
return 0;
|
|
/* Since we fscanf with %XXc instead of %s.. put a NULL at end */
|
|
dev->vendor[8] = 0;
|
|
dev->model[16] = 0;
|
|
dev->rev[4] = 0;
|
|
dev->type[32] = 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
SCSI_printprocentry( const struct LinuxProcScsiDevice * dev )
|
|
{
|
|
TRACE( "Host: scsi%d Channel: %02d Id: %02d Lun: %02d\n",
|
|
dev->host,
|
|
dev->channel,
|
|
dev->target,
|
|
dev->lun );
|
|
TRACE( " Vendor: %s Model: %s Rev: %s\n",
|
|
dev->vendor,
|
|
dev->model,
|
|
dev->rev );
|
|
TRACE( " Type: %s ANSI SCSI revision: %02d\n",
|
|
dev->type,
|
|
dev->ansirev );
|
|
}
|
|
|
|
static BOOL
|
|
SCSI_PutRegControllerMap( HKEY hkeyControllerMap, int num_controller, int ha, int chan)
|
|
{
|
|
DWORD error;
|
|
char cstr[20];
|
|
DWORD hc;
|
|
hc = (ha << 16) + chan;
|
|
sprintf(cstr, "c%02d", num_controller);
|
|
if( (error=RegSetValueExA( hkeyControllerMap, cstr, 0, REG_DWORD, (LPBYTE)&hc, sizeof(DWORD))) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not create HKEY_DYN_DATA\\%s\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP, cstr );
|
|
}
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
SCSI_MapHCtoController()
|
|
{
|
|
HKEY hkeyScsi;
|
|
HKEY hkeyControllerMap;
|
|
DWORD disposition;
|
|
|
|
char idstr[20];
|
|
DWORD cbIdStr = 20;
|
|
int i = 0;
|
|
DWORD type = 0;
|
|
DWORD error;
|
|
|
|
DWORD num_controller = 0;
|
|
int last_ha = -1;
|
|
int last_chan = -1;
|
|
|
|
int ha = 0;
|
|
int chan = 0;
|
|
|
|
if( RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not open HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
return;
|
|
}
|
|
if( disposition != REG_OPENED_EXISTING_KEY )
|
|
{
|
|
WARN("Created HKEY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
}
|
|
if( RegCreateKeyExA(hkeyScsi, KEYNAME_SCSI_CONTROLLERMAP, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyControllerMap, &disposition ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not create HKEY_DYN_DATA\\%s\\%s\n", KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
|
|
RegCloseKey(hkeyScsi);
|
|
return;
|
|
}
|
|
|
|
for( i=0; (error=RegEnumValueA( hkeyScsi, i, idstr, &cbIdStr, NULL, &type, NULL, NULL )) == ERROR_SUCCESS; i++ )
|
|
{
|
|
sscanf(idstr, "h%02dc%02dt%*02dd%*02d", &ha, &chan);
|
|
if( last_ha < ha )
|
|
{ /* Next HA */
|
|
last_ha = ha;
|
|
last_chan = chan;
|
|
SCSI_PutRegControllerMap( hkeyControllerMap, num_controller, ha, chan);
|
|
num_controller++;
|
|
}
|
|
else if( last_ha > ha )
|
|
{
|
|
FIXME("Expected registry to be sorted\n");
|
|
}
|
|
/* last_ha == ha */
|
|
else if( last_chan < chan )
|
|
{
|
|
last_chan = chan;
|
|
SCSI_PutRegControllerMap( hkeyControllerMap, num_controller, ha, chan);
|
|
num_controller++;
|
|
}
|
|
else if( last_chan > chan )
|
|
{
|
|
FIXME("Expected registry to be sorted\n");
|
|
}
|
|
/* else last_ha == ha && last_chan == chan so do nothing */
|
|
}
|
|
/* Set (default) value to number of controllers */
|
|
if( RegSetValueExA(hkeyControllerMap, NULL, 0, REG_DWORD, (LPBYTE)&num_controller, sizeof(DWORD) ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not set value HEKY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, KEYNAME_SCSI_CONTROLLERMAP);
|
|
}
|
|
RegCloseKey(hkeyControllerMap);
|
|
RegCloseKey(hkeyScsi);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
SCSI_GetProcinfo()
|
|
/* I'll admit, this function is somewhat of a mess... it was originally
|
|
* designed to make some sort of linked list then I realized that
|
|
* HKEY_DYN_DATA would be a lot less messy
|
|
*/
|
|
{
|
|
#ifdef linux
|
|
FILE * procfile = NULL;
|
|
|
|
int result = 0;
|
|
|
|
struct LinuxProcScsiDevice dev;
|
|
|
|
char idstr[20];
|
|
char devstr[20];
|
|
|
|
int devnum=0;
|
|
int num_ha = 0;
|
|
|
|
HKEY hkeyScsi;
|
|
DWORD disposition;
|
|
|
|
procfile = fopen( "/proc/scsi/scsi", "r" );
|
|
if( !procfile )
|
|
{
|
|
ERR("Could not open /proc/scsi/scsi\n");
|
|
return;
|
|
}
|
|
|
|
result = fscanf( procfile, "Attached devices: \n");
|
|
if( result != 0 )
|
|
{
|
|
ERR("Incorrect /proc/scsi/scsi format");
|
|
return;
|
|
}
|
|
|
|
if( RegCreateKeyExA(HKEY_DYN_DATA, KEYNAME_SCSI, 0, NULL, REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkeyScsi, &disposition ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not create HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
return;
|
|
}
|
|
|
|
/* Read info for one device */
|
|
while( (result = SCSI_getprocentry(procfile, &dev)) > 0 )
|
|
{
|
|
/* Add to registry */
|
|
|
|
sprintf(idstr, "h%02dc%02dt%02dd%02d", dev.host, dev.channel, dev.target, dev.lun);
|
|
sprintf(devstr, "/dev/sg%c", 'a'+devnum);
|
|
if( RegSetValueExA(hkeyScsi, idstr, 0, REG_SZ, devstr, strlen(devstr)+1 ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not set value HEKY_DYN_DATA\\%s\\%s\n",KEYNAME_SCSI, idstr);
|
|
}
|
|
|
|
/* Debug output */
|
|
SCSI_printprocentry( &dev );
|
|
|
|
/* FIXME: We *REALLY* need number of controllers.. not ha */
|
|
/* num of hostadapters is highest ha + 1 */
|
|
if( dev.host >= num_ha )
|
|
num_ha = dev.host+1;
|
|
devnum++;
|
|
} /* while(1) */
|
|
if( result != EOF )
|
|
{
|
|
ERR("Incorrect /proc/scsi/scsi format");
|
|
}
|
|
fclose( procfile );
|
|
if( RegSetValueExA(hkeyScsi, NULL, 0, REG_DWORD, (LPBYTE)&num_ha, sizeof(num_ha) ) != ERROR_SUCCESS )
|
|
{
|
|
ERR("Could not set value HEKY_DYN_DATA\\%s\n",KEYNAME_SCSI);
|
|
}
|
|
RegCloseKey(hkeyScsi);
|
|
return;
|
|
#endif
|
|
}
|