C++ (Cpp) MSI_ADDR_DEST_ID_CPU Examples

Example #1

File: msi_ia64.c Project: antonywcl/AR-5315u_PLD

int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
{
	struct msi_msg	msg;
	unsigned long	dest_phys_id;
	int	irq, vector;
	cpumask_t mask;

	irq = create_irq();
	if (irq < 0)
		return irq;

	set_irq_msi(irq, desc);
	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
	dest_phys_id = cpu_physical_id(first_cpu(mask));
	vector = irq_to_vector(irq);

	msg.address_hi = 0;
	msg.address_lo =
		MSI_ADDR_HEADER |
		MSI_ADDR_DEST_MODE_PHYS |
		MSI_ADDR_REDIRECTION_CPU |
		MSI_ADDR_DEST_ID_CPU(dest_phys_id);

	msg.data =
		MSI_DATA_TRIGGER_EDGE |
		MSI_DATA_LEVEL_ASSERT |
		MSI_DATA_DELIVERY_FIXED |
		MSI_DATA_VECTOR(vector);

	write_msi_msg(irq, &msg);
	set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq);

	return 0;
}

Example #2

File: msi_ia64.c Project: antonywcl/AR-5315u_PLD

static void ia64_set_msi_irq_affinity(unsigned int irq,
				      const 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_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(irq_desc[irq].affinity, cpumask_of(cpu));
}

Example #3

File: msi_ia64.c Project: 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;
}

Example #4

File: msi_ia64.c Project: 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;
}

Example #5

File: msi_ia64.c Project: 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);
}

Example #6

File: msi_ia64.c Project: antonywcl/AR-5315u_PLD

static int
msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
{
	struct irq_cfg *cfg = irq_cfg + irq;
	unsigned dest;
	cpumask_t mask;

	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
	dest = cpu_physical_id(first_cpu(mask));

	msg->address_hi = 0;
	msg->address_lo =
		MSI_ADDR_HEADER |
		MSI_ADDR_DEST_MODE_PHYS |
		MSI_ADDR_REDIRECTION_CPU |
		MSI_ADDR_DEST_ID_CPU(dest);

	msg->data =
		MSI_DATA_TRIGGER_EDGE |
		MSI_DATA_LEVEL_ASSERT |
		MSI_DATA_DELIVERY_FIXED |
		MSI_DATA_VECTOR(cfg->vector);
	return 0;
}