Author: mmel
Date: Mon Dec 14 09:49:07 2020
New Revision: 368628
URL: https://svnweb.freebsd.org/changeset/base/368628
Log:
MFC r367447:
Add a method to determine whether given interrupt is per CPU or not.
Modified:
stable/12/sys/kern/subr_intr.c
stable/12/sys/sys/intr.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/kern/subr_intr.c
==============================================================================
--- stable/12/sys/kern/subr_intr.c Mon Dec 14 04:52:17 2020
(r368627)
+++ stable/12/sys/kern/subr_intr.c Mon Dec 14 09:49:07 2020
(r368628)
@@ -934,6 +934,21 @@ intr_resolve_irq(device_t dev, intptr_t xref, struct i
}
}
+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)
{
Modified: stable/12/sys/sys/intr.h
==============================================================================
--- stable/12/sys/sys/intr.h Mon Dec 14 04:52:17 2020 (r368627)
+++ stable/12/sys/sys/intr.h Mon Dec 14 09:49:07 2020 (r368628)
@@ -113,6 +113,7 @@ 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;
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