static int ramdisk_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
struct stat stbuf;
FileInfo *finf = File_find(path, root);
if(finf == NULL) return -ENOENT;
else if(finf->isFile) {
File_stat(finf, &stbuf);
char tmp[strlen(finf->name) + 1];
strcpy(tmp, finf->name);
filler (buf, basename(tmp), &stbuf, 0);
} else {
filler (buf, ".", NULL, 0);
filler (buf, "..", NULL, 0);
FileInfo *child = finf->children;
while(child != NULL) {
File_stat(child, &stbuf);
char tmp[strlen(child->name) + 1];
strcpy(tmp, child->name);
filler (buf, basename(tmp), &stbuf, 0);
child = child->next;
}
}
return 0;
}
static int ramdisk_getattr(const char *path, struct stat *stbuf)
{
FileInfo *fi = File_find(path, root);
if(fi != NULL) {
File_stat(fi, stbuf);
return 0;
} else {
return -ENOENT;
}
}
/*
* ======== Processor_create ========
*/
Processor_Handle Processor_create(String imageName, String linkCfg,
Processor_Attrs *attrs)
{
Processor_Handle proc = NULL;
File_Stat statBuf;
GT_assert(curTrace, curInit == TRUE);
GT_3trace(curTrace, GT_ENTER, "Processor_create> "
"Enter(imageName='%s', linkCfg='%s', attrs=0x%x)\n", imageName,
linkCfg, attrs);
if (attrs == NULL) {
attrs = &Processor_ATTRS;
}
if ((!Global_useLinkArbiter) &&
(File_stat(imageName, &statBuf) != File_EOK)) {
GT_1trace(curTrace, GT_7CLASS, "Processor_create> "
"ERROR: cannot access file %s\n", imageName);
return (NULL);
}
if ((proc = Memory_alloc(sizeof(Processor_Obj), NULL)) == NULL) {
GT_0trace(curTrace, GT_7CLASS, "Processor_create> "
"ERROR: Memory_alloc failed\n");
return (NULL);
}
proc->attrs = *attrs;
proc->imageName = imageName;
proc->linkConfigName = linkCfg;
proc->loaded = FALSE;
proc->powerHandle = NULL;
proc->connected = FALSE;
if (doCmd(CREATE, proc) != SUCCESS) {
Processor_delete(proc);
return (NULL);
}
proc->loaded = TRUE;
GT_1trace(curTrace, GT_ENTER, "Processor_create> return (0x%x)\n", proc);
return (proc);
}
/*
* ======== LAD_startupDsp ========
*/
LAD_Status LAD_startupDsp(LAD_ClientHandle handle, Int cpuId,
String linkConfigName, String imageName)
{
File_Stat fileStat;
Int linkConfigIdDSP = -1;
PROC_State procState;
Int clientId = (Int)handle;
Int linkConfigId;
Bool startingDSP = FALSE; /* Will start DSP */
UInt32 dspStatus = 0;
LadRegData ladData;
DWORD waitStatus;
DSP_STATUS linkStatus = DSP_SOK;
LAD_Status status = LAD_SUCCESS;
/* sanity check params */
if ((imageName == NULL) || (clientId >= LAD_MAXNUMCLIENTS) ||
(clientId < 0)) {
return (LAD_INVALIDARG);
}
/* check for initialization and connection */
if ((refCount <= 0) ||
(clientInfo[handle].connectedToLAD == FALSE)) {
PRINTVERBOSE0(
"\nLAD_startupDsp: rejecting since not connected to LAD\n");
return (LAD_NOTCONNECTED);
}
/* Check that server file exists */
if (File_stat(imageName, &fileStat) != File_EOK) {
PRINTVERBOSE0("LAD_startupDSP: server file doesn't exist!\n");
PRINTVERBOSE0("LAD_startupDSP: returning LAD_INVALIDARG\n");
return (LAD_INVALIDARG);
}
/* map the Link config name to an index */
if (_LAD_getConfigId(linkConfigName, (UInt32 *)&linkConfigId) == FALSE) {
PRINTVERBOSE0("LAD_startupDsp: lookup of Link config name failed!\n");
PRINTVERBOSE0("LAD_startupDsp: returning LAD_INVALIDARG\n");
return (LAD_INVALIDARG);
}
PRINTVERBOSE1("\nLAD_startupDsp: linkConfigId = %x\n", linkConfigId);
/*
* check if cpuId is valid for the linkConfigId. NOTE: MAX_DSPS is a
* compile define that is set in dsplinkcfg.pl.
*/
if (cpuId > (MAX_DSPS - 1)) {
PRINTVERBOSE0("LAD_startupDsp: cpuId out of range for Link config\n");
PRINTVERBOSE0("LAD_startupDsp: returning LAD_INVALIDARG\n");
return (LAD_INVALIDARG);
}
/* Enter critical section */
waitStatus = WaitForSingleObject(_LAD_mutex, TIMEOUT);
if (waitStatus != WAIT_OBJECT_0) {
if (waitStatus == WAIT_TIMEOUT) {
PRINTVERBOSE0("LAD_startupDsp: WaitForSingleObject() timed out\n");
PRINTVERBOSE0("LAD_startupDsp: returning LAD_FAILURE\n");
return (LAD_FAILURE);
}
else {
PRINTVERBOSE0("LAD_startupDsp: WaitForSingleObject() failed!\n");
PRINTVERBOSE0("LAD_startupDsp: returning LAD_FAILURE\n");
return (LAD_FAILURE);
}
}
/* Get the status of the DSP */
linkStatus = PROC_getState(cpuId, &procState);
if (linkStatus == DSP_SOK) {
PRINTVERBOSE1("\nLAD_startupDsp: PROC state=%x\n", procState);
}
else {
ReleaseMutex(_LAD_mutex);
PRINTVERBOSE1("\nLAD_startupDsp: PROC_getState FAILED 0x%lx\n",
linkStatus);
PRINTVERBOSE0("LAD_startupDsp: returning LAD_FAILURE\n");
return (LAD_FAILURE);
}
/* if DSP already started... */
if (procState == LAD_STARTED) {
/* Read LAD data from registry. */
status = getLadRegData(&ladData, LadKey_ALL);
if (status != LAD_SUCCESS) {
PRINTVERBOSE0("\nLAD_startupDsp: getLadRegData() failed!\n");
}
else {
/* check for exact match */
if (linkConfigId != ladData.linkConfigId) {
PRINTVERBOSE0("LAD_startupDsp: linkConfig does not match\n");
PRINTVERBOSE0(" the currintly loaded DSP.\n");
PRINTVERBOSE0(" LAD_ACCESSDENIED\n");
status = LAD_ACCESSDENIED;
}
if (strcmp(imageName, ladData.imageName) != 0) {
/* when no match reject the request */
PRINTVERBOSE0("LAD_startupDsp: imageName does not match\n");
PRINTVERBOSE0(" the currintly loaded DSP.\n");
PRINTVERBOSE0(" LAD_ACCESSDENIED\n");
status = LAD_ACCESSDENIED;
}
}
if (status == LAD_SUCCESS) {
/* Image and link config match, increment started clients count */
ladData.numClientsStarted++;
setLadRegData(&ladData, LadKey_NUMCLIENTSSTARTED);
clientCpu[clientId] = cpuId;
clientStarted[clientId] = TRUE;
status = LAD_ALREADYRUNNING;
PRINTVERBOSE0("\n LAD_ALREADYRUNNING")
}