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Code Issues Releases Wiki Activity

x86: Convert msi affinity setting to new chip functions

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Thomas Gleixner 2010-10-08 21:49:03 +02:00
parent f7e909eae4
commit 5346b2a78f
1 changed files with 12 additions and 14 deletions
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26
arch/x86/kernel/apic/io_apic.c
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@ -3301,26 +3301,24 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq,
}
#ifdef CONFIG_SMP
static int set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
static int
msi_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irq_cfg *cfg;
struct irq_cfg *cfg = data->chip_data;
struct msi_msg msg;
unsigned int dest;
if (__ioapic_set_affinity(&desc->irq_data, mask, &dest))
if (__ioapic_set_affinity(data, mask, &dest))
return -1;
cfg = get_irq_desc_chip_data(desc);
__get_cached_msi_msg(desc->irq_data.msi_desc, &msg);
__get_cached_msi_msg(data->msi_desc, &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(dest);
__write_msi_msg(desc->irq_data.msi_desc, &msg);
__write_msi_msg(data->msi_desc, &msg);
return 0;
}
@ -3370,14 +3368,14 @@ ir_set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
* which implement the MSI or MSI-X Capability Structure.
*/
static struct irq_chip msi_chip = {
.name = "PCI-MSI",
.irq_unmask = unmask_msi_irq,
.irq_mask = mask_msi_irq,
.irq_ack = ack_apic_edge,
.name = "PCI-MSI",
.irq_unmask = unmask_msi_irq,
.irq_mask = mask_msi_irq,
.irq_ack = ack_apic_edge,
#ifdef CONFIG_SMP
.set_affinity = set_msi_irq_affinity,
.irq_set_affinity = msi_set_affinity,
#endif
.irq_retrigger = ioapic_retrigger_irq,
.irq_retrigger = ioapic_retrigger_irq,
};
static struct irq_chip msi_ir_chip = {