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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 01:37:11 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-22 18:21:10 +0200
commitcea29b656a5e5f1a7b7de42795c3ae6fc417ab0b (patch)
treef5c9de41e0bba9af5fea4144fe055689efb8fa07 /drivers/iommu
parent667724c5a3109675cf3bfe7d75795b8608d1bcbe (diff)
downloadlinux-cea29b656a5e5f1a7b7de42795c3ae6fc417ab0b.tar.bz2
iommu/vt-d: Use named irq domain interface
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Joerg Roedel <joro@8bytes.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Keith Busch <keith.busch@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: iommu@lists.linux-foundation.org Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20170619235444.063083997@linutronix.de
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel_irq_remapping.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index ba5b5800e249..8fc641ea2e41 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -500,8 +500,9 @@ static void iommu_enable_irq_remapping(struct intel_iommu *iommu)
static int intel_setup_irq_remapping(struct intel_iommu *iommu)
{
struct ir_table *ir_table;
- struct page *pages;
+ struct fwnode_handle *fn;
unsigned long *bitmap;
+ struct page *pages;
if (iommu->ir_table)
return 0;
@@ -525,15 +526,24 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu)
goto out_free_pages;
}
- iommu->ir_domain = irq_domain_add_hierarchy(arch_get_ir_parent_domain(),
- 0, INTR_REMAP_TABLE_ENTRIES,
- NULL, &intel_ir_domain_ops,
- iommu);
+ fn = irq_domain_alloc_named_id_fwnode("INTEL-IR", iommu->seq_id);
+ if (!fn)
+ goto out_free_bitmap;
+
+ iommu->ir_domain =
+ irq_domain_create_hierarchy(arch_get_ir_parent_domain(),
+ 0, INTR_REMAP_TABLE_ENTRIES,
+ fn, &intel_ir_domain_ops,
+ iommu);
+ irq_domain_free_fwnode(fn);
if (!iommu->ir_domain) {
pr_err("IR%d: failed to allocate irqdomain\n", iommu->seq_id);
goto out_free_bitmap;
}
- iommu->ir_msi_domain = arch_create_msi_irq_domain(iommu->ir_domain);
+ iommu->ir_msi_domain =
+ arch_create_remap_msi_irq_domain(iommu->ir_domain,
+ "INTEL-IR-MSI",
+ iommu->seq_id);
ir_table->base = page_address(pages);
ir_table->bitmap = bitmap;