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[src/trunk]: src/sys/arch Remove the xen specific interrupt type for the x86 ...
details: https://anonhg.NetBSD.org/src/rev/55079db5e9ac
branches: trunk
changeset: 355169:55079db5e9ac
user: cherry <cherry%NetBSD.org@localhost>
date: Sun Jul 16 06:14:23 2017 +0000
description:
Remove the xen specific interrupt type for the x86 intr_handle_t
For this to work, we use the evtchn.c:get_pirq_to_evtchn() glue
function to make things easier.
diffstat:
sys/arch/x86/isa/isa_machdep.c | 34 ++++++++++++++++++++--
sys/arch/xen/include/intr.h | 4 +-
sys/arch/xen/include/pci_machdep.h | 4 +-
sys/arch/xen/x86/intr.c | 16 +++++++---
sys/arch/xen/xen/isa_machdep.c | 20 ++++++------
sys/arch/xen/xen/pci_intr_machdep.c | 55 +++++++++++++++++++-----------------
sys/arch/xen/xen/pciback.c | 8 ++--
sys/arch/xen/xen/pciide_machdep.c | 24 ++++++++--------
8 files changed, 101 insertions(+), 64 deletions(-)
diffs (truncated from 498 to 300 lines):
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/x86/isa/isa_machdep.c
--- a/sys/arch/x86/isa/isa_machdep.c Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/x86/isa/isa_machdep.c Sun Jul 16 06:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: isa_machdep.c,v 1.34 2016/10/15 16:46:14 jdolecek Exp $ */
+/* $NetBSD: isa_machdep.c,v 1.35 2017/07/16 06:14:23 cherry Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@@ -65,7 +65,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.34 2016/10/15 16:46:14 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.35 2017/07/16 06:14:23 cherry Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -212,7 +212,7 @@
int pin;
#if NIOAPIC > 0
intr_handle_t mpih;
- struct ioapic_softc *ioapic;
+ struct ioapic_softc *ioapic = NULL;
#endif
pin = irq;
@@ -237,20 +237,48 @@
printf("isa_intr_establish: no MP mapping found\n");
}
#endif
+#if defined(XEN)
+ KASSERT(APIC_IRQ_ISLEGACY(irq));
+
+ int evtch;
+ char evname[16];
+
+ mpih |= APIC_IRQ_LEGACY_IRQ(irq);
+
+ evtch = xen_intr_map((int *)&mpih, type); /* XXX: legacy - xen just tosses irq back at us */
+ if (evtch == -1)
+ return NULL;
+#if NIOAPIC > 0
+ if (ioapic)
+ snprintf(evname, sizeof(evname), "%s pin %d",
+ device_xname(ioapic->sc_dev), pin);
+ else
+#endif
+ snprintf(evname, sizeof(evname), "irq%d", irq);
+
+ aprint_debug("irq: %d requested on pic: %s.\n", irq, pic->pic_name);
+
+ return (void *)pirq_establish(irq, evtch, ih_fun, ih_arg, level,
+ evname);
+#else /* defined(XEN) */
return intr_establish_xname(irq, pic, pin, type, level, ih_fun, ih_arg,
false, xname);
+#endif
+
}
/* Deregister an interrupt handler. */
void
isa_intr_disestablish(isa_chipset_tag_t ic, void *arg)
{
+#if !defined(XEN)
struct intrhand *ih = arg;
if (!LEGAL_IRQ(ih->ih_pin))
panic("intr_disestablish: bogus irq");
intr_disestablish(ih);
+#endif
}
void
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/xen/include/intr.h
--- a/sys/arch/xen/include/intr.h Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/xen/include/intr.h Sun Jul 16 06:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: intr.h,v 1.40 2017/05/23 08:54:39 nonaka Exp $ */
+/* $NetBSD: intr.h,v 1.41 2017/07/16 06:14:24 cherry Exp $ */
/* NetBSD intr.h,v 1.15 2004/10/31 10:39:34 yamt Exp */
/*-
@@ -175,7 +175,7 @@
#ifdef INTRDEBUG
void intr_printconfig(void);
#endif
-int intr_find_mpmapping(int, int, struct xen_intr_handle *);
+int intr_find_mpmapping(int, int, intr_handle_t *);
struct pic *intr_findpic(int);
void intr_add_pcibus(struct pcibus_attach_args *);
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/xen/include/pci_machdep.h
--- a/sys/arch/xen/include/pci_machdep.h Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/xen/include/pci_machdep.h Sun Jul 16 06:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pci_machdep.h,v 1.18 2011/04/04 20:37:55 dyoung Exp $ */
+/* $NetBSD: pci_machdep.h,v 1.19 2017/07/16 06:14:24 cherry Exp $ */
/*
* Copyright (c) 2006 Manuel Bouyer.
@@ -60,7 +60,7 @@
/*
* Types provided to machine-independent PCI code
*/
-typedef struct xen_intr_handle pci_intr_handle_t;
+typedef intr_handle_t pci_intr_handle_t;
#include <x86/pci_machdep_common.h>
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/xen/x86/intr.c
--- a/sys/arch/xen/x86/intr.c Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/xen/x86/intr.c Sun Jul 16 06:14:23 2017 +0000
@@ -103,7 +103,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.31 2017/05/23 08:54:39 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.32 2017/07/16 06:14:24 cherry Exp $");
#include "opt_multiprocessor.h"
#include "opt_xen.h"
@@ -125,6 +125,7 @@
#include <machine/i8259.h>
#include <machine/pio.h>
#include <xen/evtchn.h>
+#include <xen/intr.h>
#include "acpica.h"
#include "ioapic.h"
@@ -319,7 +320,9 @@
LIST_HEAD(, intr_extra_bus) intr_extra_buses =
LIST_HEAD_INITIALIZER(intr_extra_buses);
-static int intr_scan_bus(int, int, struct xen_intr_handle *);
+#if NPCI > 0
+static int intr_scan_bus(int, int, intr_handle_t *);
+#endif
void
intr_add_pcibus(struct pcibus_attach_args *pba)
@@ -364,8 +367,9 @@
return ENOENT;
}
+/* XXX: Unify with x86/intr.c */
int
-intr_find_mpmapping(int bus, int pin, struct xen_intr_handle *handle)
+intr_find_mpmapping(int bus, int pin, intr_handle_t *handle)
{
#if NPCI > 0
int dev, func;
@@ -391,8 +395,9 @@
#endif
}
+#if NPCI > 0
static int
-intr_scan_bus(int bus, int pin, struct xen_intr_handle *handle)
+intr_scan_bus(int bus, int pin, intr_handle_t *handle)
{
struct mp_intr_map *mip, *intrs;
@@ -410,12 +415,13 @@
if (mpacpi_findintr_linkdev(mip) != 0)
continue;
#endif
- handle->pirq = mip->ioapic_ih;
+ *handle = mip->ioapic_ih;
return 0;
}
}
return ENOENT;
}
+#endif /* NPCI > 0 */
#endif /* NIOAPIC > 0 || NACPICA > 0 */
#endif /* NPCI > 0 || NISA > 0 */
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/xen/xen/isa_machdep.c
--- a/sys/arch/xen/xen/isa_machdep.c Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/xen/xen/isa_machdep.c Sun Jul 16 06:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: isa_machdep.c,v 1.26 2011/09/01 15:10:31 christos Exp $ */
+/* $NetBSD: isa_machdep.c,v 1.27 2017/07/16 06:14:24 cherry Exp $ */
/* NetBSD isa_machdep.c,v 1.11 2004/06/20 18:04:08 thorpej Exp */
/*-
@@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.26 2011/09/01 15:10:31 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.27 2017/07/16 06:14:24 cherry Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -131,23 +131,23 @@
{
int evtch;
char evname[16];
- struct xen_intr_handle ih;
+ intr_handle_t ih;
#if NIOAPIC > 0
struct ioapic_softc *pic = NULL;
#endif
- ih.pirq = 0;
+ ih = 0;
#if NIOAPIC > 0
if (mp_busses != NULL) {
if (intr_find_mpmapping(mp_isa_bus, irq, &ih) == 0 ||
intr_find_mpmapping(mp_eisa_bus, irq, &ih) == 0) {
- if (!APIC_IRQ_ISLEGACY(ih.pirq)) {
- pic = ioapic_find(APIC_IRQ_APIC(ih.pirq));
+ if (!APIC_IRQ_ISLEGACY(ih)) {
+ pic = ioapic_find(APIC_IRQ_APIC(ih));
if (pic == NULL) {
printf("isa_intr_establish: "
"unknown apic %d\n",
- APIC_IRQ_APIC(ih.pirq));
+ APIC_IRQ_APIC(ih));
return NULL;
}
}
@@ -155,15 +155,15 @@
printf("isa_intr_establish: no MP mapping found\n");
}
#endif
- ih.pirq |= (irq & 0xff);
+ ih |= (irq & 0xff);
- evtch = xen_intr_map(&ih.pirq, type);
+ evtch = xen_intr_map((int *)&ih, type);
if (evtch == -1)
return NULL;
#if NIOAPIC > 0
if (pic)
snprintf(evname, sizeof(evname), "%s pin %d",
- device_xname(pic->sc_dev), APIC_IRQ_PIN(ih.pirq));
+ device_xname(pic->sc_dev), APIC_IRQ_PIN(ih));
else
#endif
snprintf(evname, sizeof(evname), "irq%d", irq);
diff -r 16d4375457c8 -r 55079db5e9ac sys/arch/xen/xen/pci_intr_machdep.c
--- a/sys/arch/xen/xen/pci_intr_machdep.c Sun Jul 16 05:03:36 2017 +0000
+++ b/sys/arch/xen/xen/pci_intr_machdep.c Sun Jul 16 06:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pci_intr_machdep.c,v 1.17 2015/03/14 10:49:36 bouyer Exp $ */
+/* $NetBSD: pci_intr_machdep.c,v 1.18 2017/07/16 06:14:24 cherry Exp $ */
/*
* Copyright (c) 2005 Manuel Bouyer.
@@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci_intr_machdep.c,v 1.17 2015/03/14 10:49:36 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_intr_machdep.c,v 1.18 2017/07/16 06:14:24 cherry Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -66,6 +66,7 @@
{
int pin;
int line;
+ int evtch;
#if NIOAPIC > 0
int rawpin = pa->pa_rawintrpin;
@@ -85,17 +86,17 @@
printf("pci_intr_map: bad interrupt pin %d\n", pin);
goto bad;
}
- ihp->pirq = 0;
+ *ihp = 0;
#if NIOAPIC > 0
pci_decompose_tag(pc, pa->pa_tag, &bus, &dev, &func);
if (mp_busses != NULL) {
if (intr_find_mpmapping(bus, (dev<<2)|(rawpin-1), ihp) == 0) {
- if (ihp->pirq & APIC_INT_VIA_APIC) {
+ if (*ihp & APIC_INT_VIA_APIC) {
/* make sure a new IRQ will be allocated */
- ihp->pirq &= ~0xff;
+ *ihp &= ~0xff;
} else {
- ihp->pirq |= line;
+ *ihp |= line;
}
goto end;
}
@@ -124,8 +125,8 @@
#if NIOAPIC > 0
if (mp_busses != NULL) {
if (intr_find_mpmapping(mp_isa_bus, line, ihp) == 0) {
- if ((ihp->pirq & 0xff) == 0)
- ihp->pirq |= line;
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