Ejemplos de gru_unlock_async_resource en C++ (Cpp)

Ejemplo n.º 1

Archivo: grukservices.c Proyecto: 325116067/semc-qsd8x50

static int quicktest2(unsigned long arg)
{
	static DECLARE_COMPLETION(cmp);
	unsigned long han;
	int blade_id = 0;
	int numcb = 4;
	int ret = 0;
	unsigned long *buf;
	void *cb0, *cb;
	int i, k, istatus, bytes;

	bytes = numcb * 4 * 8;
	buf = kmalloc(bytes, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	ret = -EBUSY;
	han = gru_reserve_async_resources(blade_id, numcb, 0, &cmp);
	if (!han)
		goto done;

	gru_lock_async_resource(han, &cb0, NULL);
	memset(buf, 0xee, bytes);
	for (i = 0; i < numcb; i++)
		gru_vset(cb0 + i * GRU_HANDLE_STRIDE, uv_gpa(&buf[i * 4]), 0,
				XTYPE_DW, 4, 1, IMA_INTERRUPT);

	ret = 0;
	for (k = 0; k < numcb; k++) {
		gru_wait_async_cbr(han);
		for (i = 0; i < numcb; i++) {
			cb = cb0 + i * GRU_HANDLE_STRIDE;
			istatus = gru_check_status(cb);
			if (istatus == CBS_ACTIVE)
				continue;
			if (istatus == CBS_EXCEPTION)
				ret = -EFAULT;
			else if (buf[i] || buf[i + 1] || buf[i + 2] ||
					buf[i + 3])
				ret = -EIO;
		}
	}
	BUG_ON(cmp.done);

	gru_unlock_async_resource(han);
	gru_release_async_resources(han);
done:
	kfree(buf);
	return ret;
}

Ejemplo n.º 2

Archivo: grukservices.c Proyecto: rrowicki/Chrono_Kernel-1

static int quicktest2(unsigned long arg)
{
	static DECLARE_COMPLETION(cmp);
	unsigned long han;
	int blade_id = 0;
	int numcb = 4;
	int ret = 0;
	unsigned long *buf;
	void *cb0, *cb;
	struct gru_control_block_status *gen;
	int i, k, istatus, bytes;

	bytes = numcb * 4 * 8;
	buf = kmalloc(bytes, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	ret = -EBUSY;
	han = gru_reserve_async_resources(blade_id, numcb, 0, &cmp);
	if (!han)
		goto done;

	gru_lock_async_resource(han, &cb0, NULL);
	memset(buf, 0xee, bytes);
	for (i = 0; i < numcb; i++)
		gru_vset(cb0 + i * GRU_HANDLE_STRIDE, uv_gpa(&buf[i * 4]), 0,
				XTYPE_DW, 4, 1, IMA_INTERRUPT);

	ret = 0;
	k = numcb;
	do {
		gru_wait_async_cbr(han);
		for (i = 0; i < numcb; i++) {
			cb = cb0 + i * GRU_HANDLE_STRIDE;
			istatus = gru_check_status(cb);
			if (istatus != CBS_ACTIVE && istatus != CBS_CALL_OS)
				break;
		}
		if (i == numcb)
			continue;
		if (istatus != CBS_IDLE) {
;
			ret = -EFAULT;
		} else if (buf[4 * i] || buf[4 * i + 1] || buf[4 * i + 2] ||
				buf[4 * i + 3]) {
//			printk(KERN_DEBUG "GRU:%d quicktest2:cb %d,  buf 0x%lx, 0x%lx, 0x%lx, 0x%lx\n",
;
			ret = -EIO;
		}
		k--;
		gen = cb;
		gen->istatus = CBS_CALL_OS; /* don't handle this CBR again */
	} while (k);
	BUG_ON(cmp.done);

	gru_unlock_async_resource(han);
	gru_release_async_resources(han);
done:
	kfree(buf);
	return ret;
}