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author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-04-13 06:11:31 (GMT) |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-24 13:36:48 (GMT) |
commit | 8dedf4cf5a52eafd2160609c11d3206c06e32b36 (patch) | |
tree | 4806fd0eff2286a88dc40d2b9000cd139f30d993 /drivers | |
parent | 947045a2aac1157c85a24984c9a8128846ae7266 (diff) | |
download | linux-8dedf4cf5a52eafd2160609c11d3206c06e32b36.tar.xz |
irq_remapping/vt-d: Change prototypes to prepare for hierarchical irqdomain
Prepare for the conversion to hierarchical irqdomains by changing
function prototypes. No functional changes.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: iommu@lists.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: Joerg Roedel <joro@8bytes.org>
Link: http://lkml.kernel.org/r/1428905519-23704-10-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 6c25b3c..0b89ef1 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -82,10 +82,10 @@ static int get_irte(int irq, struct irte *entry) return 0; } -static int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) +static int alloc_irte(struct intel_iommu *iommu, int irq, + struct irq_2_iommu *irq_iommu, u16 count) { struct ir_table *table = iommu->ir_table; - struct irq_2_iommu *irq_iommu = irq_2_iommu(irq); struct irq_cfg *cfg = irq_cfg(irq); unsigned int mask = 0; unsigned long flags; @@ -173,9 +173,9 @@ static int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subha return 0; } -static int modify_irte(int irq, struct irte *irte_modified) +static int modify_irte(struct irq_2_iommu *irq_iommu, + struct irte *irte_modified) { - struct irq_2_iommu *irq_iommu = irq_2_iommu(irq); struct intel_iommu *iommu; unsigned long flags; struct irte *irte; @@ -242,7 +242,7 @@ static int clear_entries(struct irq_2_iommu *irq_iommu) return 0; iommu = irq_iommu->iommu; - index = irq_iommu->irte_index + irq_iommu->sub_handle; + index = irq_iommu->irte_index; start = iommu->ir_table->base + index; end = start + (1 << irq_iommu->irte_mask); @@ -986,7 +986,7 @@ static int intel_setup_ioapic_entry(int irq, pr_warn("No mapping iommu for ioapic %d\n", ioapic_id); index = -ENODEV; } else { - index = alloc_irte(iommu, irq, 1); + index = alloc_irte(iommu, irq, irq_2_iommu(irq), 1); if (index < 0) { pr_warn("Failed to allocate IRTE for ioapic %d\n", ioapic_id); @@ -1002,7 +1002,7 @@ static int intel_setup_ioapic_entry(int irq, /* Set source-id of interrupt request */ set_ioapic_sid(&irte, ioapic_id); - modify_irte(irq, &irte); + modify_irte(irq_2_iommu(irq), &irte); apic_printk(APIC_VERBOSE, KERN_DEBUG "IOAPIC[%d]: " "Set IRTE entry (P:%d FPD:%d Dst_Mode:%d " @@ -1089,7 +1089,7 @@ intel_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask, * Atomically updates the IRTE with the new destination, vector * and flushes the interrupt entry cache. */ - modify_irte(irq, &irte); + modify_irte(irq_2_iommu(irq), &irte); /* * After this point, all the interrupts will start arriving @@ -1125,7 +1125,7 @@ static void intel_compose_msi_msg(struct pci_dev *pdev, else set_hpet_sid(&irte, hpet_id); - modify_irte(irq, &irte); + modify_irte(irq_2_iommu(irq), &irte); msg->address_hi = MSI_ADDR_BASE_HI; msg->data = sub_handle; @@ -1152,7 +1152,7 @@ static int intel_msi_alloc_irq(struct pci_dev *dev, int irq, int nvec) "Unable to map PCI %s to iommu\n", pci_name(dev)); index = -ENOENT; } else { - index = alloc_irte(iommu, irq, nvec); + index = alloc_irte(iommu, irq, irq_2_iommu(irq), nvec); if (index < 0) { printk(KERN_ERR "Unable to allocate %d IRTE for PCI %s\n", @@ -1196,7 +1196,7 @@ static int intel_alloc_hpet_msi(unsigned int irq, unsigned int id) down_read(&dmar_global_lock); iommu = map_hpet_to_ir(id); if (iommu) { - index = alloc_irte(iommu, irq, 1); + index = alloc_irte(iommu, irq, irq_2_iommu(irq), 1); if (index >= 0) ret = 0; } |