Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
drivers/iommu/irq_remapping.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 33c4395..e75026e 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -148,6 +148,11 @@ static int irq_remapping_setup_msi_irqs(struct pci_dev *dev,
return do_setup_msix_irqs(dev, nvec);
}
+static struct msi_chip remap_msi_chip = {
+ .setup_irqs = irq_remapping_setup_msi_irqs,
+ .teardown_irq = native_teardown_msi_irq,
+};
+
static void eoi_ioapic_pin_remapped(int apic, int pin, int vector)
{
/*
@@ -165,9 +170,10 @@ static void __init irq_remapping_modify_x86_ops(void)
x86_io_apic_ops.set_affinity = set_remapped_irq_affinity;
x86_io_apic_ops.setup_entry = setup_ioapic_remapped_entry;
x86_io_apic_ops.eoi_ioapic_pin = eoi_ioapic_pin_remapped;
- x86_msi.setup_msi_irqs = irq_remapping_setup_msi_irqs;
+ x86_msi.setup_msi_irqs = irq_remapping_setup_msi_irqs;
x86_msi.setup_hpet_msi = setup_hpet_msi_remapped;
x86_msi.compose_msi_msg = compose_remapped_msi_msg;
+ x86_msi_chip = &remap_msi_chip;
}
static __init int setup_nointremap(char *str)
--
1.7.1
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