diff options
| author | Dimitri Sivanich <sivanich@sgi.com> | 2009-10-13 15:32:36 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-14 09:17:09 +0200 |
| commit | 9338ad6ffb70eca97f335d93c54943828c8b209e (patch) | |
| tree | 40b259ecd99f08e42d5e51ba8b346cf8e10417bc /arch/x86/include/asm/hw_irq.h | |
| parent | 6c2c502910247d2820cb630e7b28fb6bdecdbf45 (diff) | |
| download | op-kernel-dev-9338ad6ffb70eca97f335d93c54943828c8b209e.zip op-kernel-dev-9338ad6ffb70eca97f335d93c54943828c8b209e.tar.gz | |
x86, apic: Move SGI UV functionality out of generic IO-APIC code
Move UV specific functionality out of the generic IO-APIC code.
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
LKML-Reference: <20091013203236.GD20543@sgi.com>
[ Cleaned up the code some more in their new places. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index ba180d9..56f0877 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -79,14 +79,31 @@ static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr, int ioapic, int ioapic_pin, int trigger, int polarity) { - irq_attr->ioapic = ioapic; - irq_attr->ioapic_pin = ioapic_pin; - irq_attr->trigger = trigger; - irq_attr->polarity = polarity; + irq_attr->ioapic = ioapic; + irq_attr->ioapic_pin = ioapic_pin; + irq_attr->trigger = trigger; + irq_attr->polarity = polarity; } -extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, - struct io_apic_irq_attr *irq_attr); +/* + * This is performance-critical, we want to do it O(1) + * + * Most irqs are mapped 1:1 with pins. + */ +struct irq_cfg { + struct irq_pin_list *irq_2_pin; + cpumask_var_t domain; + cpumask_var_t old_domain; + unsigned move_cleanup_count; + u8 vector; + u8 move_in_progress : 1; +}; + +extern struct irq_cfg *irq_cfg(unsigned int); +extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *); +extern void send_cleanup_vector(struct irq_cfg *); +extern unsigned int set_desc_affinity(struct irq_desc *, const struct cpumask *); +extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr); extern void setup_ioapic_dest(void); extern void enable_IO_APIC(void); |
