C++ (Cpp) dmar_msi_read Beispiele

Beispiel #1

Datei: msi_ia64.c Projekt: openube/android_kernel_sony_c2305

static int dmar_msi_set_affinity(struct irq_data *data,
				 const struct cpumask *mask, bool force)
{
	unsigned int irq = data->irq;
	struct irq_cfg *cfg = irq_cfg + irq;
	struct msi_msg msg;
	int cpu = cpumask_first(mask);

	if (!cpu_online(cpu))
		return -1;

	if (irq_prepare_move(irq, cpu))
		return -1;

	dmar_msi_read(irq, &msg);

	msg.data &= ~MSI_DATA_VECTOR_MASK;
	msg.data |= MSI_DATA_VECTOR(cfg->vector);
	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
	msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));

	dmar_msi_write(irq, &msg);
	cpumask_copy(data->affinity, mask);

	return 0;
}

Beispiel #2

Datei: msi_ia64.c Projekt: antonywcl/AR-5315u_PLD

static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
{
	struct irq_cfg *cfg = irq_cfg + irq;
	struct msi_msg msg;
	int cpu = cpumask_first(mask);

	if (!cpu_online(cpu))
		return;

	if (irq_prepare_move(irq, cpu))
		return;

	dmar_msi_read(irq, &msg);

	msg.data &= ~MSI_DATA_VECTOR_MASK;
	msg.data |= MSI_DATA_VECTOR(cfg->vector);
	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
	msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));

	dmar_msi_write(irq, &msg);
	cpumask_copy(irq_desc[irq].affinity, mask);
}