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yaml
---
r: 68634
b: refs/heads/master
c: bb74b73
h: refs/heads/master
v: v3
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David S. Miller committed Oct 14, 2007
1 parent d1704e1 commit c41797a
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Showing 4 changed files with 16 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 42d5f99b1d801b87c45c87d7392f610d5aef351b
refs/heads/master: bb74b734a68544ad8f1537a33a7e22c73c87ed1c
22 changes: 11 additions & 11 deletions trunk/arch/sparc64/kernel/irq.c
Original file line number Diff line number Diff line change
Expand Up @@ -122,8 +122,6 @@ static void bucket_set_virt_irq(unsigned long bucket_pa,
"i" (ASI_PHYS_USE_EC));
}

#define __irq_ino(irq) \
(((struct ino_bucket *)(irq)) - &ivector_table[0])
#define __bucket(irq) ((struct ino_bucket *)(irq))
#define __irq(bucket) ((unsigned long)(bucket))

Expand All @@ -136,7 +134,9 @@ static struct {
} virt_to_real_irq_table[NR_IRQS];
static DEFINE_SPINLOCK(virt_irq_alloc_lock);

unsigned char virt_irq_alloc(unsigned long real_irq)
unsigned char virt_irq_alloc(unsigned long real_irq,
unsigned int dev_handle,
unsigned int dev_ino)
{
unsigned long flags;
unsigned char ent;
Expand All @@ -154,6 +154,8 @@ unsigned char virt_irq_alloc(unsigned long real_irq)
ent = 0;
} else {
virt_to_real_irq_table[ent].irq = real_irq;
virt_to_real_irq_table[ent].dev_handle = dev_handle;
virt_to_real_irq_table[ent].dev_ino = dev_ino;
}

spin_unlock_irqrestore(&virt_irq_alloc_lock, flags);
Expand Down Expand Up @@ -554,11 +556,12 @@ static void sun4v_virq_end(unsigned int virt_irq)

static void run_pre_handler(unsigned int virt_irq)
{
struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
struct irq_handler_data *data = get_irq_chip_data(virt_irq);
unsigned int ino;

ino = virt_to_real_irq_table[virt_irq].dev_ino;
if (likely(data->pre_handler)) {
data->pre_handler(__irq_ino(__irq(bucket)),
data->pre_handler(ino,
data->pre_handler_arg1,
data->pre_handler_arg2);
}
Expand Down Expand Up @@ -633,7 +636,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
bucket = &ivector_table[ino];
virt_irq = bucket_get_virt_irq(__pa(bucket));
if (!virt_irq) {
virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), 0, ino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, &sun4u_irq);
}
Expand Down Expand Up @@ -668,7 +671,7 @@ static unsigned int sun4v_build_common(unsigned long sysino,
bucket = &ivector_table[sysino];
virt_irq = bucket_get_virt_irq(__pa(bucket));
if (!virt_irq) {
virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), 0, sysino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, chip);
}
Expand Down Expand Up @@ -716,7 +719,7 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
((unsigned long) bucket +
sizeof(struct ino_bucket)));

virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), devhandle, devino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, &sun4v_virq);

Expand All @@ -741,9 +744,6 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
prom_halt();
}

virt_to_real_irq_table[virt_irq].dev_handle = devhandle;
virt_to_real_irq_table[virt_irq].dev_ino = devino;

return virt_irq;
}

Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/sparc64/kernel/pci_msi.c
Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
int msi, err;
u32 msiqid;

*virt_irq_p = virt_irq_alloc(~0);
*virt_irq_p = virt_irq_alloc(~0, 0, 0);
err = -ENOMEM;
if (!*virt_irq_p)
goto out_err;
Expand Down
4 changes: 3 additions & 1 deletion trunk/include/asm-sparc64/irq.h
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,9 @@ extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p,
extern void sun4u_destroy_msi(unsigned int virt_irq);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);

extern unsigned char virt_irq_alloc(unsigned long real_irq);
extern unsigned char virt_irq_alloc(unsigned long real_irq,
unsigned int dev_handle,
unsigned int dev_ino);
#ifdef CONFIG_PCI_MSI
extern void virt_irq_free(unsigned int virt_irq);
#endif
Expand Down

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