int drv_release(
struct inode* inode,
struct file* filp
)
{
gceSTATUS status;
gcsHAL_PRIVATE_DATA_PTR data;
gckGALDEVICE device;
gctINT i;
gcmkHEADER_ARG("inode=0x%08X filp=0x%08X", inode, filp);
if (filp == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): filp is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
data = filp->private_data;
if (data == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): private_data is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
device = data->device;
if (device == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): device is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
if (!device->contiguousMapped)
{
if (data->contiguousLogical != gcvNULL)
{
gcmkONERROR(gckOS_UnmapMemoryEx(
galDevice->os,
galDevice->contiguousPhysical,
galDevice->contiguousSize,
data->contiguousLogical,
data->pidOpen
));
data->contiguousLogical = gcvNULL;
}
}
/* A process gets detached. */
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (galDevice->kernels[i] != gcvNULL)
{
gcmkONERROR(gckKERNEL_AttachProcessEx(galDevice->kernels[i], gcvFALSE, data->pidOpen));
}
}
kfree(data);
filp->private_data = NULL;
/* Success. */
gcmkFOOTER_NO();
return 0;
OnError:
gcmkFOOTER();
return -ENOTTY;
}
int drv_release(
struct inode* inode,
struct file* filp
)
{
gceSTATUS status;
gcsHAL_PRIVATE_DATA_PTR data;
gckGALDEVICE device;
gctINT i;
gctUINT32 processID;
gcmkHEADER_ARG("inode=0x%08X filp=0x%08X", inode, filp);
if (filp == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): filp is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
data = filp->private_data;
if (data == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): private_data is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
device = data->device;
if (device == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): device is NULL\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
if (!device->contiguousMapped)
{
if (data->contiguousLogical != gcvNULL)
{
gcmkVERIFY_OK(gckOS_GetProcessID(&processID));
gcmkONERROR(gckOS_UnmapMemoryEx(
galDevice->os,
galDevice->contiguousPhysical,
galDevice->contiguousSize,
data->contiguousLogical,
data->pidOpen
));
for (i = 0; i < gcdCORE_COUNT; i++)
{
if (galDevice->kernels[i] != gcvNULL)
{
gcmkVERIFY_OK(
gckKERNEL_RemoveProcessDB(galDevice->kernels[i],
processID, gcvDB_MAP_MEMORY,
data->contiguousLogical));
}
}
data->contiguousLogical = gcvNULL;
}
}
/* Clean user signals if exit unnormally. */
gcmkVERIFY_OK(gckOS_GetProcessID(&processID));
gcmkVERIFY_OK(gckOS_CleanProcessSignal(galDevice->os, (gctHANDLE)processID));
/* A process gets detached. */
for (i = 0; i < gcdCORE_COUNT; i++)
{
if (galDevice->kernels[i] != gcvNULL)
{
gcmkONERROR(gckKERNEL_AttachProcessEx(galDevice->kernels[i], gcvFALSE, data->pidOpen));
}
}
kfree(data);
filp->private_data = NULL;
/* Success. */
gcmkFOOTER_NO();
return 0;
OnError:
gcmkFOOTER();
return -ENOTTY;
}