[PATCH v2 10/22] Irq_remapping/MSI: Use MSI chip framework to configure MSI/MSI-X irq
From: Yijing Wang <hidden>
Date: 2014-09-25 02:57:29
Also in:
linux-arch, linux-arm-kernel, linux-iommu, linux-mips, linux-pci, linux-s390, lkml, sparclinux
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
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 <redacted> --- drivers/iommu/irq_remapping.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 33c4395..7929590 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) { /*
@@ -168,6 +173,7 @@ static void __init irq_remapping_modify_x86_ops(void) 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)
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1.7.1