leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iommu/vt-d: Use named irq domain interface

Browse Source 
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
This commit is contained in:
Thomas Gleixner 2017-06-20 01:37:11 +02:00
parent 667724c5a3
commit cea29b656a
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/iommu/intel_irq_remapping.c
View File

@ -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;