Author: mmel
Date: Sat Nov 7 14:58:01 2020
New Revision: 367447
URL: https://svnweb.freebsd.org/changeset/base/367447
Log:
Add a method to determine whether given interrupt is per CPU or not.
MFC after: 2 weeks
Modified:
head/sys/kern/subr_intr.c
head/sys/sys/intr.h
Modified: head/sys/kern/subr_intr.c
==============================================================================
--- head/sys/kern/subr_intr.c Sat Nov 7 13:16:11 2020 (r367446)
+++ head/sys/kern/subr_intr.c Sat Nov 7 14:58:01 2020 (r367447)
@@ -946,6 +946,21 @@ 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: head/sys/sys/intr.h
==============================================================================
--- head/sys/sys/intr.h Sat Nov 7 13:16:11 2020 (r367446)
+++ head/sys/sys/intr.h Sat Nov 7 14:58:01 2020 (r367447)
@@ -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;
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
