554 lines
16 KiB
C
554 lines
16 KiB
C
#include "config.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.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 "winbase.h"
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#include "aspi.h"
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#include "wnaspi32.h"
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#include "winescsi.h"
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#include "options.h"
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#include "heap.h"
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#include "debugtools.h"
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#include "ldt.h"
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#include "callback.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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* -- Added CriticalSection to OpenDevices function
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* 3) Only linux supported so far
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* 4) Leaves sg devices open. This may or may not be okay. A better solution
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* would be to close the file descriptors when the thread/process using
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* them no longer needs them.
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*/
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#ifdef linux
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static ASPI_DEVICE_INFO *ASPI_open_devices = NULL;
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static CRITICAL_SECTION ASPI_CritSection;
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#endif /* defined(linux) */
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BOOL WINAPI WNASPI32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
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{
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#ifdef linux
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static BOOL bInitDone=FALSE;
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#if 0
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TRACE("0x%x 0x%1x %p\n", hInstDLL, fdwReason, fImpLoad);
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#endif
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switch( fdwReason )
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{
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case DLL_PROCESS_ATTACH:
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/* Create instance data */
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if(!bInitDone)
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{
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bInitDone=TRUE;
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/* Initialize global stuff just once */
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InitializeCriticalSection(&ASPI_CritSection);
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SCSI_Init();
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}
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break;
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case DLL_PROCESS_DETACH:
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/* Destroy instance data */
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break;
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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break;
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}
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return TRUE;
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#else /* defined(linux) */
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return TRUE;
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#endif /* defined(linux) */
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}
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#ifdef linux
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static int
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ASPI_OpenDevice(SRB_ExecSCSICmd *prb)
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{
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int fd;
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DWORD hc;
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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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EnterCriticalSection(&ASPI_CritSection);
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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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LeaveCriticalSection(&ASPI_CritSection);
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return curr->fd;
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}
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}
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LeaveCriticalSection(&ASPI_CritSection);
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hc = ASPI_GetHCforController( prb->SRB_HaId );
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fd = SCSI_OpenDevice( HIWORD(hc), LOWORD(hc), prb->SRB_Target, prb->SRB_Lun);
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if (fd == -1) {
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return -1;
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}
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/* device is now open */
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/* FIXME: Let users specify SCSI timeout in registry */
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SCSI_LinuxSetTimeout( fd, SCSI_DEFAULT_TIMEOUT );
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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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EnterCriticalSection(&ASPI_CritSection);
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curr->next = ASPI_open_devices;
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ASPI_open_devices = curr;
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LeaveCriticalSection(&ASPI_CritSection);
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return fd;
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}
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static void
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ASPI_DebugPrintCmd(SRB_ExecSCSICmd *prb)
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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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switch (prb->CDBByte[0]) {
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case CMD_INQUIRY:
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TRACE("INQUIRY {\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: %p\n", prb->SRB_BufPointer);
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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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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_PrintSenseArea(SRB_ExecSCSICmd *prb)
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{
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int i;
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BYTE *rqbuf = &prb->CDBByte[16];
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if (TRACE_ON(aspi))
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{
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DPRINTF("Request Sense reports:\n");
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if ((rqbuf[0]&0x7f)!=0x70) {
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DPRINTF("\tInvalid sense header.\n");
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return;
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}
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DPRINTF("\tCurrent command read filemark: %s\n",(rqbuf[2]&0x80)?"yes":"no");
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DPRINTF("\tEarly warning passed: %s\n",(rqbuf[2]&0x40)?"yes":"no");
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DPRINTF("\tIncorrect blocklengt: %s\n",(rqbuf[2]&0x20)?"yes":"no");
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DPRINTF("\tSense Key: %d\n",rqbuf[2]&0xf);
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if (rqbuf[0]&0x80)
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DPRINTF("\tResidual Length: %d\n",rqbuf[3]*0x1000000+rqbuf[4]*0x10000+rqbuf[5]*0x100+rqbuf[6]);
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DPRINTF("\tAdditional Sense Length: %d\n",rqbuf[7]);
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DPRINTF("\tAdditional Sense Code: %d\n",rqbuf[12]);
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DPRINTF("\tAdditional Sense Code Qualifier: %d\n",rqbuf[13]);
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if (rqbuf[15]&0x80) {
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DPRINTF("\tIllegal Param is in %s\n",(rqbuf[15]&0x40)?"the CDB":"the Data Out Phase");
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if (rqbuf[15]&0x8) {
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DPRINTF("Pointer at %d, bit %d\n",rqbuf[16]*256+rqbuf[17],rqbuf[15]&0x7);
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}
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}
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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", *rqbuf++);
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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_ExecSCSICmd *prb)
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{
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TRACE("SRB_Status: %x\n", prb->SRB_Status);
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TRACE("SRB_HaStat: %x\n", prb->SRB_HaStat);
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TRACE("SRB_TargStat: %x\n", prb->SRB_TargStat);
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switch (prb->CDBByte[0]) {
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case CMD_INQUIRY:
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TRACE("Vendor: '%s'\n", prb->SRB_BufPointer + INQUIRY_VENDOR);
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break;
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case CMD_TEST_UNIT_READY:
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ASPI_PrintSenseArea(prb);
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break;
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}
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}
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/* Posting must be done in such a way that as soon as the SRB_Status is set
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* we don't touch the SRB anymore because it could possibly be freed
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* if the app is doing ASPI polling
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*/
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static DWORD
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WNASPI32_DoPosting( SRB_ExecSCSICmd *lpPRB, DWORD status )
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{
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void (*SRB_PostProc)() = lpPRB->SRB_PostProc;
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BYTE SRB_Flags = lpPRB->SRB_Flags;
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if( status == SS_PENDING )
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{
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WARN("Tried posting SS_PENDING\n");
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return SS_PENDING;
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}
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lpPRB->SRB_Status = status;
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/* lpPRB is NOT safe, it could be freed in another thread */
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if (SRB_PostProc)
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{
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if (SRB_Flags & 0x1)
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{
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TRACE("Post Routine (%lx) called\n", (DWORD) SRB_PostProc);
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/* Even though lpPRB could have been freed by
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* the program.. that's unlikely if it planned
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* to use it in the PostProc
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*/
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(*SRB_PostProc)(lpPRB);
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}
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else if (SRB_Flags & SRB_EVENT_NOTIFY) {
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TRACE("Setting event %04x\n", (HANDLE)SRB_PostProc);
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SetEvent((HANDLE)SRB_PostProc);
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}
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}
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return SS_PENDING;
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}
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static WORD
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ASPI_ExecScsiCmd(SRB_ExecSCSICmd *lpPRB)
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{
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struct sg_header *sg_hd, *sg_reply_hdr;
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DWORD status;
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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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DWORD SRB_Status;
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/* FIXME: hackmode */
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#define MAKE_TARGET_TO_HOST(lpPRB) \
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if (!TARGET_TO_HOST(lpPRB)) { \
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WARN("program was not sending target_to_host for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
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lpPRB->SRB_Flags |= 8; \
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}
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#define MAKE_HOST_TO_TARGET(lpPRB) \
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if (!HOST_TO_TARGET(lpPRB)) { \
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WARN("program was not sending host_to_target for cmd %x (flags=%x),correcting.\n",lpPRB->CDBByte[0],lpPRB->SRB_Flags); \
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lpPRB->SRB_Flags |= 0x10; \
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}
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switch (lpPRB->CDBByte[0]) {
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case 0x12: /* INQUIRY */
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case 0x5a: /* MODE_SENSE_10 */
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case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
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case 0xad: /* READ DVD STRUCTURE MMC-2 */
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MAKE_TARGET_TO_HOST(lpPRB)
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break;
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case 0xa3: /* SEND KEY (DVD) MMC-2 */
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MAKE_HOST_TO_TARGET(lpPRB)
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break;
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default:
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if ((((lpPRB->SRB_Flags & 0x18) == 0x00) ||
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((lpPRB->SRB_Flags & 0x18) == 0x18)
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) && lpPRB->SRB_BufLen
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) {
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FIXME("command 0x%02x, no data transfer specified, but buflen is %ld!!!\n",lpPRB->CDBByte[0],lpPRB->SRB_BufLen);
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}
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break;
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}
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ASPI_DebugPrintCmd(lpPRB);
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fd = ASPI_OpenDevice(lpPRB);
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if (fd == -1) {
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TRACE("Failed: could not open device c%01dt%01dd%01d. Device permissions !?\n",
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lpPRB->SRB_HaId,lpPRB->SRB_Target,lpPRB->SRB_Lun);
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return WNASPI32_DoPosting( lpPRB, SS_NO_DEVICE );
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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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if (!lpPRB->SRB_CDBLen) {
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ERR("Failed: lpPRB->SRB_CDBLen = 0.\n");
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return WNASPI32_DoPosting( lpPRB, SS_INVALID_SRB );
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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 *) HeapAlloc(GetProcessHeap(), 0, 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, lpPRB->SRB_BufPointer, 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 *) HeapAlloc(GetProcessHeap(), 0, 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 *) HeapAlloc(GetProcessHeap(), 0, 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 *) HeapAlloc(GetProcessHeap(), 0, 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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SCSI_Fix_CMD_LEN(fd, lpPRB->CDBByte[0], lpPRB->SRB_CDBLen);
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if(!SCSI_LinuxDeviceIo( fd,
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sg_hd, in_len,
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sg_reply_hdr, out_len,
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&status) )
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{
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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(lpPRB->SRB_BufPointer, 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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/* CDB is fixed in WNASPI32 */
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memcpy(&lpPRB->CDBByte[16], &sg_reply_hdr->sense_buffer[0], sense_len);
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TRACE("CDB is %d bytes long\n", lpPRB->SRB_CDBLen );
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ASPI_PrintSenseArea(lpPRB);
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}
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SRB_Status = SS_COMP;
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lpPRB->SRB_HaStat = HASTAT_OK;
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lpPRB->SRB_TargStat = sg_reply_hdr->target_status << 1;
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HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
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HeapFree(GetProcessHeap(), 0, sg_hd);
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/* FIXME: Should this be != 0 maybe? */
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if( lpPRB->SRB_TargStat == 2 ) {
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SRB_Status = SS_ERR;
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switch (lpPRB->CDBByte[0]) {
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case 0xa4: /* REPORT_KEY (DVD) MMC-2 */
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case 0xa3: /* SEND KEY (DVD) MMC-2 */
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SRB_Status = SS_COMP;
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lpPRB->SRB_TargStat = 0;
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FIXME("Program wants to do DVD Region switching, but fails (non compliant DVD drive). Ignoring....\n");
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break;
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}
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}
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ASPI_DebugPrintResult(lpPRB);
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/* now do posting */
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return WNASPI32_DoPosting( lpPRB, SRB_Status );
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/* In real WNASPI32 stuff really is always pending because ASPI does things
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in the background, but we are not doing that (yet) */
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error_exit:
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SRB_Status = SS_ERR;
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if (error_code == EBUSY) {
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WNASPI32_DoPosting( lpPRB, SS_ASPI_IS_BUSY );
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TRACE("Device busy\n");
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} else
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FIXME("Failed\n");
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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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HeapFree(GetProcessHeap(), 0, sg_reply_hdr);
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HeapFree(GetProcessHeap(), 0, sg_hd);
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WNASPI32_DoPosting( lpPRB, SRB_Status );
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return SS_PENDING;
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}
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#endif /* defined(linux) */
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/*******************************************************************
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* GetASPI32SupportInfo [WNASPI32.0]
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*
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* Checks if the ASPI subsystem is initialized correctly.
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*
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* RETURNS
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* HIWORD: 0.
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* HIBYTE of LOWORD: status (SS_COMP or SS_FAILED_INIT)
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* LOBYTE of LOWORD: # of host adapters.
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*/
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DWORD WINAPI GetASPI32SupportInfo()
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{
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return ((SS_COMP << 8) | ASPI_GetNumControllers());
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}
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/***********************************************************************
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* SendASPI32Command (WNASPI32.1)
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*/
|
|
DWORD __cdecl SendASPI32Command(LPSRB lpSRB)
|
|
{
|
|
#ifdef linux
|
|
switch (lpSRB->common.SRB_Cmd) {
|
|
case SC_HA_INQUIRY:
|
|
lpSRB->inquiry.SRB_Status = SS_COMP; /* completed successfully */
|
|
lpSRB->inquiry.HA_Count = 1; /* not always */
|
|
lpSRB->inquiry.HA_SCSI_ID = 7; /* not always ID 7 */
|
|
strcpy(lpSRB->inquiry.HA_ManagerId, "ASPI for WIN32"); /* max 15 chars, don't change */
|
|
strcpy(lpSRB->inquiry.HA_Identifier, "Wine host"); /* FIXME: return host adapter name */
|
|
memset(lpSRB->inquiry.HA_Unique, 0, 16); /* default HA_Unique content */
|
|
lpSRB->inquiry.HA_Unique[6] = 0x02; /* Maximum Transfer Length (128K, Byte> 4-7) */
|
|
lpSRB->inquiry.HA_Unique[3] = 0x08; /* Maximum number of SCSI targets */
|
|
FIXME("ASPI: Partially implemented SC_HA_INQUIRY for adapter %d.\n", lpSRB->inquiry.SRB_HaId);
|
|
return SS_COMP;
|
|
|
|
case SC_GET_DEV_TYPE: {
|
|
/* FIXME: We should return SS_NO_DEVICE if the device is not configured */
|
|
/* FIXME: We should return SS_INVALID_HA if HostAdapter!=0 */
|
|
SRB tmpsrb;
|
|
char inqbuf[200];
|
|
DWORD ret;
|
|
|
|
memset(&tmpsrb,0,sizeof(tmpsrb));
|
|
|
|
/* Copy header */
|
|
memcpy(&tmpsrb.common,&(lpSRB->common),sizeof(tmpsrb.common));
|
|
|
|
tmpsrb.cmd.SRB_Flags |= 8; /* target to host */
|
|
tmpsrb.cmd.SRB_Cmd = SC_EXEC_SCSI_CMD;
|
|
tmpsrb.cmd.SRB_Target = lpSRB->devtype.SRB_Target;
|
|
tmpsrb.cmd.SRB_Lun = lpSRB->devtype.SRB_Lun;
|
|
tmpsrb.cmd.SRB_BufLen = sizeof(inqbuf);
|
|
tmpsrb.cmd.SRB_BufPointer = inqbuf;
|
|
tmpsrb.cmd.CDBByte[0] = 0x12; /* INQUIRY */
|
|
/* FIXME: handle lun */
|
|
tmpsrb.cmd.CDBByte[4] = sizeof(inqbuf);
|
|
tmpsrb.cmd.SRB_CDBLen = 6;
|
|
|
|
ret = ASPI_ExecScsiCmd(&tmpsrb.cmd);
|
|
|
|
lpSRB->devtype.SRB_Status = tmpsrb.cmd.SRB_Status;
|
|
lpSRB->devtype.SRB_DeviceType = inqbuf[0]&0x1f;
|
|
|
|
TRACE("returning devicetype %d for target %d\n",inqbuf[0]&0x1f,tmpsrb.cmd.SRB_Target);
|
|
if (ret!=SS_PENDING) /* Any error is passed down directly */
|
|
return ret;
|
|
/* FIXME: knows that the command is finished already, pass final Status */
|
|
return tmpsrb.cmd.SRB_Status;
|
|
}
|
|
case SC_EXEC_SCSI_CMD:
|
|
return ASPI_ExecScsiCmd(&lpSRB->cmd);
|
|
case SC_ABORT_SRB:
|
|
FIXME("Not implemented SC_ABORT_SRB\n");
|
|
break;
|
|
case SC_RESET_DEV:
|
|
FIXME("Not implemented SC_RESET_DEV\n");
|
|
break;
|
|
#ifdef SC_GET_DISK_INFO
|
|
case SC_GET_DISK_INFO:
|
|
/* NT Doesn't implement this either.. so don't feel bad */
|
|
FIXME("Not implemented SC_GET_DISK_INFO\n");
|
|
break;
|
|
#endif
|
|
default:
|
|
FIXME("Unknown command %d\n", lpSRB->common.SRB_Cmd);
|
|
}
|
|
return SS_INVALID_SRB;
|
|
#else
|
|
return SS_INVALID_SRB;
|
|
#endif
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetASPI32DLLVersion (WNASPI32.3)
|
|
*/
|
|
|
|
DWORD WINAPI GetASPI32DLLVersion()
|
|
{
|
|
#ifdef linux
|
|
TRACE("Returning version 1\n");
|
|
return (DWORD)1;
|
|
#else
|
|
FIXME("Please add SCSI support for your operating system, returning 0\n");
|
|
return (DWORD)0;
|
|
#endif
|
|
}
|
|
|