The following commit has been merged into the x86/apic branch of tip: Commit-ID: a491bb19f728cdb8cc1f4734ecc57c0afa099fac Gitweb: https://git.kernel.org/tip/a491bb19f728cdb8cc1f4734ecc57c0afa099fac Author: David Woodhouse <d...@amazon.co.uk> AuthorDate: Sat, 24 Oct 2020 22:35:26 +01:00 Committer: Thomas Gleixner <t...@linutronix.de> CommitterDate: Wed, 28 Oct 2020 20:26:28 +01:00
iommu/hyper-v: Implement select() method on remapping irqdomain Preparatory for removing irq_remapping_get_irq_domain() Signed-off-by: David Woodhouse <d...@amazon.co.uk> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Link: https://lore.kernel.org/r/20201024213535.443185-27-dw...@infradead.org --- drivers/iommu/hyperv-iommu.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c index 37dd485..78a264a 100644 --- a/drivers/iommu/hyperv-iommu.c +++ b/drivers/iommu/hyperv-iommu.c @@ -101,7 +101,16 @@ static void hyperv_irq_remapping_free(struct irq_domain *domain, irq_domain_free_irqs_common(domain, virq, nr_irqs); } +static int hyperv_irq_remapping_select(struct irq_domain *d, + struct irq_fwspec *fwspec, + enum irq_domain_bus_token bus_token) +{ + /* Claim only the first (and only) I/OAPIC */ + return x86_fwspec_is_ioapic(fwspec) && fwspec->param[0] == 0; +} + static const struct irq_domain_ops hyperv_ir_domain_ops = { + .select = hyperv_irq_remapping_select, .alloc = hyperv_irq_remapping_alloc, .free = hyperv_irq_remapping_free, };
