mirror of
https://github.com/reactos/wine.git
synced 2024-12-05 10:17:57 +00:00
528 lines
13 KiB
C
528 lines
13 KiB
C
#include "config.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <memory.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "winbase.h"
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#include "wine/windef16.h"
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#include "winreg.h"
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#include "aspi.h"
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#include "winescsi.h"
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#include "wine/winaspi.h"
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#include "debugtools.h"
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#include "miscemu.h"
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DEFAULT_DEBUG_CHANNEL(aspi);
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/* FIXME!
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* 1) Residual byte length reporting not handled
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* 2) Make this code re-entrant for multithreading
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* 3) Only linux supported so far
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*/
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/* ### start build ### */
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extern LONG CALLBACK ASPI_CallTo16_long_l(FARPROC16,SEGPTR);
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/* ### stop build ### */
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#ifdef linux
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static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
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static FARPROC16 ASPIChainFunc = NULL;
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static WORD HA_Count = 1; /* host adapter count; FIXME: detect it */
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static int
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ASPI_OpenDevice16(SRB_ExecSCSICmd16 *prb)
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{
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HKEY hkey;
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int fd;
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char idstr[50];
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char device_str[50];
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ASPI_DEVICE_INFO *curr;
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/* search list of devices to see if we've opened it already.
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* There is not an explicit open/close in ASPI land, so hopefully
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* keeping a device open won't be a problem.
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*/
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for (curr = ASPI_open_devices; curr; curr = curr->next) {
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if (curr->hostId == prb->SRB_HaId &&
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curr->target == prb->SRB_Target &&
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curr->lun == prb->SRB_Lun) {
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return curr->fd;
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}
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}
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/* device wasn't cached, go ahead and open it */
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sprintf( idstr, "Software\\Wine\\Wine\\Config\\scsi c%1dt%1dd%1d",
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prb->SRB_HaId, prb->SRB_Target, prb->SRB_Lun);
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device_str[0] = 0;
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if (!RegOpenKeyExA( HKEY_LOCAL_MACHINE, idstr, 0, KEY_ALL_ACCESS, &hkey ))
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{
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DWORD type, count = sizeof(device_str);
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if (RegQueryValueExA( hkey, "Device", 0, &type, device_str, &count )) device_str[0] = 0;
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RegCloseKey( hkey );
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}
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if (!device_str[0])
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{
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TRACE("Trying to open unlisted scsi device %s\n", idstr);
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return -1;
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}
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TRACE("Opening device %s=%s\n", idstr, device_str);
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fd = open(device_str, O_RDWR);
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if (fd == -1) {
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int save_error = errno;
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ERR("Error opening device %s, error '%s'\n", device_str, strerror(save_error));
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return -1;
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}
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/* device is now open */
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curr = HeapAlloc( GetProcessHeap(), 0, sizeof(ASPI_DEVICE_INFO) );
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curr->fd = fd;
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curr->hostId = prb->SRB_HaId;
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curr->target = prb->SRB_Target;
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curr->lun = prb->SRB_Lun;
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/* insert new record at beginning of open device list */
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curr->next = ASPI_open_devices;
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ASPI_open_devices = curr;
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return fd;
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}
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static void
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ASPI_DebugPrintCmd(SRB_ExecSCSICmd16 *prb, UINT16 mode)
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{
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BYTE cmd;
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int i;
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BYTE *cdb;
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BYTE *lpBuf = 0;
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switch (mode)
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{
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case ASPI_DOS:
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/* translate real mode address */
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if (prb->SRB_BufPointer)
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lpBuf = PTR_REAL_TO_LIN( SELECTOROF(prb->SRB_BufPointer), OFFSETOF(prb->SRB_BufPointer));
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break;
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case ASPI_WIN16:
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lpBuf = MapSL(prb->SRB_BufPointer);
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break;
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}
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switch (prb->CDBByte[0]) {
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case CMD_INQUIRY:
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TRACE("{\n");
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TRACE("\tEVPD: %d\n", prb->CDBByte[1] & 1);
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TRACE("\tLUN: %d\n", (prb->CDBByte[1] & 0xc) >> 1);
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TRACE("\tPAGE CODE: %d\n", prb->CDBByte[2]);
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TRACE("\tALLOCATION LENGTH: %d\n", prb->CDBByte[4]);
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TRACE("\tCONTROL: %d\n", prb->CDBByte[5]);
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TRACE("}\n");
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break;
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case CMD_SCAN_SCAN:
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TRACE("Transfer Length: %d\n", prb->CDBByte[4]);
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break;
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}
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TRACE("Host Adapter: %d\n", prb->SRB_HaId);
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TRACE("Flags: %d\n", prb->SRB_Flags);
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if (TARGET_TO_HOST(prb)) {
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TRACE("\tData transfer: Target to host. Length checked.\n");
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}
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else if (HOST_TO_TARGET(prb)) {
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TRACE("\tData transfer: Host to target. Length checked.\n");
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}
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else if (NO_DATA_TRANSFERED(prb)) {
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TRACE("\tData transfer: none\n");
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}
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else {
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WARN("\tTransfer by scsi cmd. Length not checked\n");
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}
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TRACE("\tResidual byte length reporting %s\n", prb->SRB_Flags & 0x4 ? "enabled" : "disabled");
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TRACE("\tLinking %s\n", prb->SRB_Flags & 0x2 ? "enabled" : "disabled");
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TRACE("\tPosting %s\n", prb->SRB_Flags & 0x1 ? "enabled" : "disabled");
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TRACE("Target: %d\n", prb->SRB_Target);
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TRACE("Lun: %d\n", prb->SRB_Lun);
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TRACE("BufLen: %ld\n", prb->SRB_BufLen);
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TRACE("SenseLen: %d\n", prb->SRB_SenseLen);
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TRACE("BufPtr: %lx (%p)\n", prb->SRB_BufPointer, lpBuf);
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TRACE("LinkPointer %lx\n", prb->SRB_Rsvd1);
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TRACE("CDB Length: %d\n", prb->SRB_CDBLen);
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TRACE("POST Proc: %lx\n", (DWORD) prb->SRB_PostProc);
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cdb = &prb->CDBByte[0];
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cmd = prb->CDBByte[0];
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if (TRACE_ON(aspi))
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{
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DPRINTF("CDB buffer[");
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for (i = 0; i < prb->SRB_CDBLen; i++) {
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if (i != 0) DPRINTF(",");
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DPRINTF("%02x", *cdb++);
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}
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DPRINTF("]\n");
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}
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}
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static void
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ASPI_PrintSenseArea16(SRB_ExecSCSICmd16 *prb)
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{
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int i;
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BYTE *cdb;
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if (TRACE_ON(aspi))
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{
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cdb = &prb->CDBByte[0];
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DPRINTF("SenseArea[");
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for (i = 0; i < prb->SRB_SenseLen; i++) {
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if (i) DPRINTF(",");
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DPRINTF("%02x", *cdb++);
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}
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DPRINTF("]\n");
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}
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}
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static void
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ASPI_DebugPrintResult(SRB_ExecSCSICmd16 *prb, UINT16 mode)
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{
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BYTE *lpBuf = 0;
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switch (mode)
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{
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case ASPI_DOS:
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/* translate real mode address */
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if (prb->SRB_BufPointer)
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lpBuf = PTR_REAL_TO_LIN( SELECTOROF(prb->SRB_BufPointer), OFFSETOF(prb->SRB_BufPointer));
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break;
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case ASPI_WIN16:
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lpBuf = MapSL(prb->SRB_BufPointer);
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break;
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}
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switch (prb->CDBByte[0]) {
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case CMD_INQUIRY:
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TRACE("Vendor: '%s'\n", lpBuf + INQUIRY_VENDOR);
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break;
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case CMD_TEST_UNIT_READY:
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ASPI_PrintSenseArea16(prb);
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break;
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}
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}
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static WORD
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ASPI_ExecScsiCmd(DWORD ptrPRB, UINT16 mode)
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{
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SRB_ExecSCSICmd16 *lpPRB = 0;
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struct sg_header *sg_hd, *sg_reply_hdr;
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int status;
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BYTE *lpBuf = 0;
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int in_len, out_len;
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int error_code = 0;
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int fd;
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switch (mode)
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{
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case ASPI_DOS:
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if (ptrPRB)
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lpPRB = PTR_REAL_TO_LIN( SELECTOROF(ptrPRB), OFFSETOF(ptrPRB));
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break;
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case ASPI_WIN16:
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lpPRB = MapSL(ptrPRB);
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break;
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}
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ASPI_DebugPrintCmd(lpPRB, mode);
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fd = ASPI_OpenDevice16(lpPRB);
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if (fd == -1) {
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WARN("Failed: could not open device. Device permissions !?\n");
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lpPRB->SRB_Status = SS_ERR;
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return SS_ERR;
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}
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sg_hd = NULL;
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sg_reply_hdr = NULL;
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lpPRB->SRB_Status = SS_PENDING;
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switch (mode)
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{
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case ASPI_DOS:
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/* translate real mode address */
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if (ptrPRB)
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lpBuf = PTR_REAL_TO_LIN( SELECTOROF(lpPRB->SRB_BufPointer),
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OFFSETOF(lpPRB->SRB_BufPointer));
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break;
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case ASPI_WIN16:
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lpBuf = MapSL(lpPRB->SRB_BufPointer);
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break;
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}
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if (!lpPRB->SRB_CDBLen) {
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WARN("Failed: lpPRB->SRB_CDBLen = 0.\n");
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lpPRB->SRB_Status = SS_ERR;
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return SS_ERR;
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}
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/* build up sg_header + scsi cmd */
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if (HOST_TO_TARGET(lpPRB)) {
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/* send header, command, and then data */
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in_len = SCSI_OFF + lpPRB->SRB_CDBLen + lpPRB->SRB_BufLen;
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sg_hd = (struct sg_header *) malloc(in_len);
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memset(sg_hd, 0, SCSI_OFF);
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memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
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if (lpPRB->SRB_BufLen) {
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memcpy(((BYTE *) sg_hd) + SCSI_OFF + lpPRB->SRB_CDBLen, lpBuf, lpPRB->SRB_BufLen);
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}
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}
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else {
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/* send header and command - no data */
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in_len = SCSI_OFF + lpPRB->SRB_CDBLen;
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sg_hd = (struct sg_header *) malloc(in_len);
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memset(sg_hd, 0, SCSI_OFF);
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memcpy(sg_hd + 1, &lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
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}
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if (TARGET_TO_HOST(lpPRB)) {
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out_len = SCSI_OFF + lpPRB->SRB_BufLen;
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sg_reply_hdr = (struct sg_header *) malloc(out_len);
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memset(sg_reply_hdr, 0, SCSI_OFF);
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sg_hd->reply_len = out_len;
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}
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else {
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out_len = SCSI_OFF;
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sg_reply_hdr = (struct sg_header *) malloc(out_len);
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memset(sg_reply_hdr, 0, SCSI_OFF);
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sg_hd->reply_len = out_len;
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}
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status = write(fd, sg_hd, in_len);
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if (status < 0 || status != in_len) {
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int save_error = errno;
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WARN("Not enough bytes written to scsi device bytes=%d .. %d\n", in_len, status);
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if (status < 0) {
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if (save_error == ENOMEM) {
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MESSAGE("ASPI: Linux generic scsi driver\n You probably need to re-compile your kernel with a larger SG_BIG_BUFF value (sg.h)\n Suggest 130560\n");
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}
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WARN("error:= '%s'\n", strerror(save_error));
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}
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goto error_exit;
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}
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status = read(fd, sg_reply_hdr, out_len);
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if (status < 0 || status != out_len) {
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WARN("not enough bytes read from scsi device%d\n", status);
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goto error_exit;
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}
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if (sg_reply_hdr->result != 0) {
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error_code = sg_reply_hdr->result;
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WARN("reply header error (%d)\n", sg_reply_hdr->result);
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goto error_exit;
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}
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if (TARGET_TO_HOST(lpPRB) && lpPRB->SRB_BufLen) {
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memcpy(lpBuf, sg_reply_hdr + 1, lpPRB->SRB_BufLen);
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}
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/* copy in sense buffer to amount that is available in client */
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if (lpPRB->SRB_SenseLen) {
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int sense_len = lpPRB->SRB_SenseLen;
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if (lpPRB->SRB_SenseLen > 16)
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sense_len = 16;
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memcpy(SENSE_BUFFER(lpPRB), &sg_reply_hdr->sense_buffer[0], sense_len);
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}
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lpPRB->SRB_Status = SS_COMP;
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lpPRB->SRB_HaStat = HASTAT_OK;
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lpPRB->SRB_TargStat = STATUS_GOOD;
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/* now do posting */
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if (ASPI_POSTING(lpPRB) && lpPRB->SRB_PostProc) {
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TRACE("Post Routine (%lx) called\n", (DWORD) lpPRB->SRB_PostProc);
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switch (mode)
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{
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case ASPI_DOS:
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{
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SEGPTR spPRB = MapLS(lpPRB);
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ASPI_CallTo16_long_l(lpPRB->SRB_PostProc, spPRB);
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UnMapLS(spPRB);
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break;
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}
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case ASPI_WIN16:
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ASPI_CallTo16_long_l(lpPRB->SRB_PostProc, ptrPRB);
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break;
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}
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}
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free(sg_reply_hdr);
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free(sg_hd);
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ASPI_DebugPrintResult(lpPRB, mode);
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return SS_COMP;
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error_exit:
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if (error_code == EBUSY) {
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lpPRB->SRB_Status = SS_ASPI_IS_BUSY;
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TRACE("Device busy\n");
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}
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else {
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WARN("Failed\n");
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lpPRB->SRB_Status = SS_ERR;
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}
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/* I'm not sure exactly error codes work here
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* We probably should set lpPRB->SRB_TargStat, SRB_HaStat ?
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*/
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WARN("error_exit\n");
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free(sg_reply_hdr);
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free(sg_hd);
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return lpPRB->SRB_Status;
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}
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#endif
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/***********************************************************************
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* GetASPISupportInfo (WINASPI.1)
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*/
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WORD WINAPI GetASPISupportInfo16(void)
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{
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#ifdef linux
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TRACE("GETASPISupportInfo16\n");
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/* high byte SS_COMP - low byte number of host adapters */
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return ((SS_COMP << 8) | HA_Count);
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#else
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return ((SS_NO_ASPI << 8) | 0);
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#endif
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}
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DWORD ASPI_SendASPICommand(DWORD ptrSRB, UINT16 mode)
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{
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#ifdef linux
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LPSRB16 lpSRB = 0;
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switch (mode)
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{
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case ASPI_DOS:
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if (ptrSRB)
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lpSRB = PTR_REAL_TO_LIN( SELECTOROF(ptrSRB), OFFSETOF(ptrSRB));
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break;
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case ASPI_WIN16:
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lpSRB = MapSL(ptrSRB);
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if (ASPIChainFunc)
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{
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/* This is not the post proc, it's the chain proc this time */
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DWORD ret = ASPI_CallTo16_long_l(ASPIChainFunc, ptrSRB);
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if (ret)
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{
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lpSRB->inquiry.SRB_Status = SS_INVALID_SRB;
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return ret;
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}
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}
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break;
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}
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switch (lpSRB->common.SRB_Cmd) {
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case SC_HA_INQUIRY:
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lpSRB->inquiry.SRB_Status = SS_COMP; /* completed successfully */
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if (lpSRB->inquiry.SRB_55AASignature == 0x55aa) {
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TRACE("Extended request detected (Adaptec's ASPIxDOS).\nWe don't support it at the moment.\n");
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}
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lpSRB->inquiry.SRB_ExtBufferSize = 0x2000; /* bogus value */
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lpSRB->inquiry.HA_Count = HA_Count;
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lpSRB->inquiry.HA_SCSI_ID = 7; /* not always ID 7 */
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strcat(lpSRB->inquiry.HA_ManagerId, "Wine ASPI16"); /* max 15 chars */
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strcat(lpSRB->inquiry.HA_Identifier, "Wine host"); /* FIXME: return host
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adapter name */
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memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
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lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
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FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
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return SS_COMP;
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case SC_GET_DEV_TYPE:
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FIXME("Not implemented SC_GET_DEV_TYPE\n");
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break;
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case SC_EXEC_SCSI_CMD:
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return ASPI_ExecScsiCmd((DWORD)ptrSRB, mode);
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break;
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case SC_RESET_DEV:
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FIXME("Not implemented SC_RESET_DEV\n");
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break;
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default:
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FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
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}
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#endif
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return SS_INVALID_SRB;
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}
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/***********************************************************************
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* SendASPICommand (WINASPI.2)
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*/
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WORD WINAPI SendASPICommand16(SEGPTR segptr_srb)
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{
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#ifdef linux
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return ASPI_SendASPICommand(segptr_srb, ASPI_WIN16);
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#else
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return 0;
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#endif
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}
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/***********************************************************************
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* InsertInASPIChain (WINASPI.3)
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*/
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WORD WINAPI InsertInASPIChain16(BOOL16 remove, FARPROC16 pASPIChainFunc)
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{
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#ifdef linux
|
|
if (remove == TRUE) /* Remove */
|
|
{
|
|
if (ASPIChainFunc == pASPIChainFunc)
|
|
{
|
|
ASPIChainFunc = NULL;
|
|
return SS_COMP;
|
|
}
|
|
}
|
|
else
|
|
if (remove == FALSE) /* Insert */
|
|
{
|
|
if (ASPIChainFunc == NULL)
|
|
{
|
|
ASPIChainFunc = pASPIChainFunc;
|
|
return SS_COMP;
|
|
}
|
|
}
|
|
#endif
|
|
return SS_ERR;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GETASPIDLLVERSION (WINASPI.4)
|
|
*/
|
|
|
|
DWORD WINAPI GetASPIDLLVersion16()
|
|
{
|
|
#ifdef linux
|
|
return 2;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|