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Add a method to determine whether given interrupt is per CPU or not.

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MFC after:	2 weeks
This commit is contained in:
Michal Meloun 2020-11-07 14:58:01 +00:00
parent da45ea6bc6
commit eb20867f52
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=367447
2 changed files with 16 additions and 0 deletions
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15
sys/kern/subr_intr.c
View File

@ -946,6 +946,21 @@ intr_resolve_irq(device_t dev, intptr_t xref, struct intr_map_data *data,
}
}
bool
intr_is_per_cpu(struct resource *res)
{
u_int res_id;
struct intr_irqsrc *isrc;
res_id = (u_int)rman_get_start(res);
isrc = intr_map_get_isrc(res_id);
if (isrc == NULL)
panic("Attempt to get isrc for non-active resource id: %u\n",
res_id);
return ((isrc->isrc_flags & INTR_ISRCF_PPI) != 0);
}
int
intr_activate_irq(device_t dev, struct resource *res)
{

1
sys/sys/intr.h
View File

@ -115,6 +115,7 @@ int intr_pic_deregister(device_t, intptr_t);
int intr_pic_claim_root(device_t, intptr_t, intr_irq_filter_t *, void *, u_int);
struct intr_pic *intr_pic_add_handler(device_t, struct intr_pic *,
intr_child_irq_filter_t *, void *, uintptr_t, uintptr_t);
bool intr_is_per_cpu(struct resource *);
extern device_t intr_irq_root_dev;