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| author | Joerg Roedel <joro@8bytes.org> | 2012-09-26 12:44:45 +0200 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2013-01-28 12:17:27 +0100 |
| commit | 9b1b0e42f54bc452817f4bb6a8d939afe4f04303 (patch) | |
| tree | 9b3edc203e3ac5b23c5202605f5c4a9dbe023c03 /drivers/iommu/irq_remapping.c | |
| parent | 819508d302e5b6d6dacb5c3d5e4756091e32cc7d (diff) | |
| download | lwn-9b1b0e42f54bc452817f4bb6a8d939afe4f04303.tar.gz lwn-9b1b0e42f54bc452817f4bb6a8d939afe4f04303.zip | |
x86, io-apic: Move CONFIG_IRQ_REMAP code out of x86 core
Move all the code to either to the header file
asm/irq_remapping.h or to drivers/iommu/.
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/iommu/irq_remapping.c')
| -rw-r--r-- | drivers/iommu/irq_remapping.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index ebd02bf98062..75afdf43317c 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -1,3 +1,4 @@ +#include <linux/seq_file.h> #include <linux/cpumask.h> #include <linux/kernel.h> #include <linux/string.h> @@ -327,3 +328,27 @@ void panic_if_irq_remap(const char *msg) if (irq_remapping_enabled) panic(msg); } + +static void ir_ack_apic_edge(struct irq_data *data) +{ + ack_APIC_irq(); +} + +static void ir_ack_apic_level(struct irq_data *data) +{ + ack_APIC_irq(); + eoi_ioapic_irq(data->irq, data->chip_data); +} + +static void ir_print_prefix(struct irq_data *data, struct seq_file *p) +{ + seq_printf(p, " IR-%s", data->chip->name); +} + +void irq_remap_modify_chip_defaults(struct irq_chip *chip) +{ + chip->irq_print_chip = ir_print_prefix; + chip->irq_ack = ir_ack_apic_edge; + chip->irq_eoi = ir_ack_apic_level; + chip->irq_set_affinity = x86_io_apic_ops.set_affinity; +} |