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x86, apic: Move SGI UV functionality out of generic IO-APIC code

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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>
This commit is contained in:
Dimitri Sivanich
2009-10-13 15:32:36 -05:00
committed by Ingo Molnar
parent 6c2c502910
commit 9338ad6ffb
4 changed files with 145 additions and 154 deletions
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29
arch/x86/include/asm/hw_irq.h
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@@ -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);