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Date: Mon, 13 Apr 2015 14:11:31 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Randy Dunlap <rdunlap@...radead.org>,
Yinghai Lu <yinghai@...nel.org>,
Borislav Petkov <bp@...en8.de>,
Dimitri Sivanich <sivanich@....com>,
Joerg Roedel <joro@...tes.org>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
David Cohen <david.a.cohen@...ux.intel.com>,
Sander Eikelenboom <linux@...elenboom.it>,
David Vrabel <david.vrabel@...rix.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Tony Luck <tony.luck@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
x86@...nel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
iommu@...ts.linux-foundation.org
Subject: [Patch Part1 v8 09/37] irq_remapping/vt-d: Change prototypes to prepare for enabling hierarchy irqdomain
Prepare for support hierarchy irqdomain by changing function prototypes,
should be no function changes.
Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Acked-by: Joerg Roedel <jroedel@...e.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: iommu@...ts.linux-foundation.org
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Joerg Roedel <joro@...tes.org>
Link: http://lkml.kernel.org/r/1416894816-23245-10-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
drivers/iommu/intel_irq_remapping.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 14de1ab223c8..d3adaf32b3ec 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;
}
--
1.7.10.4
--
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