C++ (Cpp) irq_prepare_move Beispiele

Beispiel #1

Datei: msi_ia64.c Projekt: ForayJones/iods

static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
{
	struct msi_msg msg;
	u32 addr, data;
	int cpu = first_cpu(cpu_mask);

	if (!cpu_online(cpu))
		return;

	if (irq_prepare_move(irq, cpu))
		return;

	read_msi_msg(irq, &msg);

	addr = msg.address_lo;
	addr &= MSI_ADDR_DESTID_MASK;
	addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
	msg.address_lo = addr;

	data = msg.data;
	data &= MSI_DATA_VECTOR_MASK;
	data |= MSI_DATA_VECTOR(irq_to_vector(irq));
	msg.data = data;

	write_msi_msg(irq, &msg);
	irq_desc[irq].affinity = cpumask_of_cpu(cpu);
}

Beispiel #2

Datei: msi_ia64.c Projekt: 21cnbao/linux

static int ia64_set_msi_irq_affinity(struct irq_data *idata,
				     const cpumask_t *cpu_mask, bool force)
{
	struct msi_msg msg;
	u32 addr, data;
	int cpu = cpumask_first_and(cpu_mask, cpu_online_mask);
	unsigned int irq = idata->irq;

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

	__get_cached_msi_msg(idata->msi_desc, &msg);

	addr = msg.address_lo;
	addr &= MSI_ADDR_DEST_ID_MASK;
	addr |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
	msg.address_lo = addr;

	data = msg.data;
	data &= MSI_DATA_VECTOR_MASK;
	data |= MSI_DATA_VECTOR(irq_to_vector(irq));
	msg.data = data;

	write_msi_msg(irq, &msg);
	cpumask_copy(idata->affinity, cpumask_of(cpu));

	return 0;
}

Beispiel #3

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 #4

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);
}