/* -----------------------------------------------
Device open/close
----------------------------------------------- */
WDC_DEVICE_HANDLE EDEN_DeviceOpen(const WD_PCI_CARD_INFO *pDeviceInfo)
{
DWORD dwStatus;
PEDEN_DEV_CTX pDevCtx = NULL;
WDC_DEVICE_HANDLE hDev = NULL;
EDEN_DEV_ADDR_DESC devAddrDesc;
PWDC_DEVICE pDev;
/* Validate arguments */
if (!pDeviceInfo)
{
ErrLog("EDEN_DeviceOpen: Error - NULL device information struct pointer\n");
return NULL;
}
/* Allocate memory for the EDEN device context */
pDevCtx = (PEDEN_DEV_CTX)malloc(sizeof (EDEN_DEV_CTX));
if (!pDevCtx)
{
ErrLog("Failed allocating memory for EDEN device context\n");
return NULL;
}
BZERO(*pDevCtx);
/* Open a WDC device handle */
dwStatus = WDC_PciDeviceOpen(&hDev, pDeviceInfo, pDevCtx, NULL, NULL, NULL);
if (WD_STATUS_SUCCESS != dwStatus)
{
ErrLog("Failed opening a WDC device handle. Error 0x%lx - %s\n",
dwStatus, Stat2Str(dwStatus));
goto Error;
}
pDev = hDev;
devAddrDesc.dwNumAddrSpaces = pDev->dwNumAddrSpaces;
devAddrDesc.pAddrDesc = pDev->pAddrDesc;
/* Open a handle to a Kernel PlugIn driver */
WDC_KernelPlugInOpen(hDev, KP_EDEN_DRIVER_NAME, &devAddrDesc);
/* Validate device information */
if (!DeviceValidate((PWDC_DEVICE)hDev))
goto Error;
/* Return handle to the new device */
TraceLog("EDEN_DeviceOpen: Opened a EDEN device (handle 0x%p)\n"
"Device uses a Kernel PlugIn driver (%s)\n", hDev, KP_EDEN_DRIVER_NAME);
return hDev;
Error:
if (hDev)
EDEN_DeviceClose(hDev);
else
free(pDevCtx);
return NULL;
}
/* -----------------------------------------------
Device open/close
----------------------------------------------- */
WDC_DEVICE_HANDLE PCIE_SW_DeviceOpen(const WD_PCI_CARD_INFO *pDeviceInfo)
{
DWORD dwStatus;
PPCIE_SW_DEV_CTX pDevCtx = NULL;
WDC_DEVICE_HANDLE hDev = NULL;
/* Validate arguments */
if (!pDeviceInfo)
{
ErrLog("PCIE_SW_DeviceOpen: Error - NULL device information struct pointer\n");
return NULL;
}
/* Allocate memory for the PCIE_SW device context */
pDevCtx = (PPCIE_SW_DEV_CTX)malloc(sizeof (PCIE_SW_DEV_CTX));
if (!pDevCtx)
{
ErrLog("Failed allocating memory for PCIE_SW device context\n");
return NULL;
}
BZERO(*pDevCtx);
/* Open a WDC device handle */
dwStatus = WDC_PciDeviceOpen(&hDev, pDeviceInfo, pDevCtx, NULL, NULL, NULL);
if (WD_STATUS_SUCCESS != dwStatus)
{
ErrLog("Failed opening a WDC device handle. Error 0x%lx - %s\n",
dwStatus, Stat2Str(dwStatus));
goto Error;
}
/* Validate device information */
if (!DeviceValidate((PWDC_DEVICE)hDev))
goto Error;
/* Return handle to the new device */
TraceLog("PCIE_SW_DeviceOpen: Opened a PCIE_SW device (handle 0x%p)\n", hDev);
return hDev;
Error:
if (hDev)
PCIE_SW_DeviceClose(hDev);
else
free(pDevCtx);
return NULL;
}
