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| author |   Cédric Le Goater <clg@kaod.org> | 2021-07-01 15:27:31 +0200 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-08-10 23:14:58 +1000 |
| commit | ba418a0278265ad65f2f9544e743b7dbff3b994b (patch) | |
| tree | 49d8c99a32913a8489f3695e6bd9076ae5d0256c /arch/powerpc/platforms/powernv/pci-ioda.c | |
| parent | powerpc/powernv/pci: Add MSI domains (diff) | |
| download | linux-dev-ba418a0278265ad65f2f9544e743b7dbff3b994b.tar.xz linux-dev-ba418a0278265ad65f2f9544e743b7dbff3b994b.zip | |
KVM: PPC: Book3S HV: Use the new IRQ chip to detect passthrough interrupts
Passthrough PCI MSI interrupts are detected in KVM with a check on a
specific EOI handler (P8) or on XIVE (P9). We can now check the
PCI-MSI IRQ chip which is cleaner.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210701132750.1475580-14-clg@kaod.org
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci-ioda.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index d2a17fcb6002..e77caa4dbbdf 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2007,13 +2007,15 @@ void pnv_set_msi_irq_chip(struct pnv_phb *phb, unsigned int virq) irq_set_chip(virq, &phb->ioda.irq_chip); } +static struct irq_chip pnv_pci_msi_irq_chip; + /* * Returns true iff chip is something that we could call * pnv_opal_pci_msi_eoi for. */ bool is_pnv_opal_msi(struct irq_chip *chip) { - return chip->irq_eoi == pnv_ioda2_msi_eoi; + return chip->irq_eoi == pnv_ioda2_msi_eoi || chip == &pnv_pci_msi_irq_chip; } EXPORT_SYMBOL_GPL(is_pnv_opal_msi); |