diff options
| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-10-24 22:35:25 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-10-28 20:26:27 +0100 |
| commit | a87fb465ffe8eacd0d69032da33455e4f6fd8b41 (patch) | |
| tree | c52b0831eb570ae7920a70fb5743772eec0d4487 /drivers/iommu/intel | |
| parent | a1a785b572425ab3ca5494a4be02ab59a796df51 (diff) | |
| download | linux-a87fb465ffe8eacd0d69032da33455e4f6fd8b41.tar.bz2 | |
iommu/vt-d: Implement select() method on remapping irqdomain
Preparatory for removing irq_remapping_get_irq_domain()
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-26-dwmw2@infradead.org
Diffstat (limited to 'drivers/iommu/intel')
| -rw-r--r-- | drivers/iommu/intel/irq_remapping.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index 96c84b19940e..b3b079c0b51e 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1431,7 +1431,20 @@ static void intel_irq_remapping_deactivate(struct irq_domain *domain, modify_irte(&data->irq_2_iommu, &entry); } +static int intel_irq_remapping_select(struct irq_domain *d, + struct irq_fwspec *fwspec, + enum irq_domain_bus_token bus_token) +{ + if (x86_fwspec_is_ioapic(fwspec)) + return d == map_ioapic_to_ir(fwspec->param[0]); + else if (x86_fwspec_is_hpet(fwspec)) + return d == map_hpet_to_ir(fwspec->param[0]); + + return 0; +} + static const struct irq_domain_ops intel_ir_domain_ops = { + .select = intel_irq_remapping_select, .alloc = intel_irq_remapping_alloc, .free = intel_irq_remapping_free, .activate = intel_irq_remapping_activate, |