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[PATCH v4 08/19] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprI
From: |
David Gibson |
Subject: |
[PATCH v4 08/19] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprInterruptController |
Date: |
Wed, 9 Oct 2019 17:08:07 +1100 |
This method depends only on the active irq controller. Now that we've
formalized the notion of active controller we can dispatch directly through
that, rather than dispatching via SpaprIrq with the dual version having
to do a second conditional dispatch.
Signed-off-by: David Gibson <address@hidden>
Reviewed-by: Greg Kurz <address@hidden>
---
hw/intc/spapr_xive.c | 12 +++++++++++
hw/intc/xics_spapr.c | 9 +++++++++
hw/ppc/spapr_irq.c | 41 ++++++++++----------------------------
include/hw/ppc/spapr_irq.h | 4 +++-
4 files changed, 34 insertions(+), 32 deletions(-)
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index ff1a175b44..52d5e71793 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -553,6 +553,17 @@ static int
spapr_xive_cpu_intc_create(SpaprInterruptController *intc,
return 0;
}
+static void spapr_xive_set_irq(SpaprInterruptController *intc, int irq, int
val)
+{
+ SpaprXive *xive = SPAPR_XIVE(intc);
+
+ if (kvm_irqchip_in_kernel()) {
+ kvmppc_xive_source_set_irq(&xive->source, irq, val);
+ } else {
+ xive_source_set_irq(&xive->source, irq, val);
+ }
+}
+
static void spapr_xive_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -574,6 +585,7 @@ static void spapr_xive_class_init(ObjectClass *klass, void
*data)
sicc->cpu_intc_create = spapr_xive_cpu_intc_create;
sicc->claim_irq = spapr_xive_claim_irq;
sicc->free_irq = spapr_xive_free_irq;
+ sicc->set_irq = spapr_xive_set_irq;
}
static const TypeInfo spapr_xive_info = {
diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c
index 224fe1efcd..02372697f6 100644
--- a/hw/intc/xics_spapr.c
+++ b/hw/intc/xics_spapr.c
@@ -373,6 +373,14 @@ static void xics_spapr_free_irq(SpaprInterruptController
*intc, int irq)
memset(&ics->irqs[srcno], 0, sizeof(ICSIRQState));
}
+static void xics_spapr_set_irq(SpaprInterruptController *intc, int irq, int
val)
+{
+ ICSState *ics = ICS_SPAPR(intc);
+ uint32_t srcno = irq - ics->offset;
+
+ ics_set_irq(ics, srcno, val);
+}
+
static void ics_spapr_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -384,6 +392,7 @@ static void ics_spapr_class_init(ObjectClass *klass, void
*data)
sicc->cpu_intc_create = xics_spapr_cpu_intc_create;
sicc->claim_irq = xics_spapr_claim_irq;
sicc->free_irq = xics_spapr_free_irq;
+ sicc->set_irq = xics_spapr_set_irq;
}
static const TypeInfo ics_spapr_info = {
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index 249a2688ac..bfccb815ed 100644
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -123,14 +123,6 @@ static int spapr_irq_post_load_xics(SpaprMachineState
*spapr, int version_id)
return 0;
}
-static void spapr_irq_set_irq_xics(void *opaque, int irq, int val)
-{
- SpaprMachineState *spapr = opaque;
- uint32_t srcno = irq - spapr->ics->offset;
-
- ics_set_irq(spapr->ics, srcno, val);
-}
-
static void spapr_irq_reset_xics(SpaprMachineState *spapr, Error **errp)
{
Error *local_err = NULL;
@@ -159,7 +151,6 @@ SpaprIrq spapr_irq_xics = {
.dt_populate = spapr_dt_xics,
.post_load = spapr_irq_post_load_xics,
.reset = spapr_irq_reset_xics,
- .set_irq = spapr_irq_set_irq_xics,
.init_kvm = spapr_irq_init_kvm_xics,
};
@@ -208,17 +199,6 @@ static void spapr_irq_reset_xive(SpaprMachineState *spapr,
Error **errp)
spapr_xive_mmio_set_enabled(spapr->xive, true);
}
-static void spapr_irq_set_irq_xive(void *opaque, int irq, int val)
-{
- SpaprMachineState *spapr = opaque;
-
- if (kvm_irqchip_in_kernel()) {
- kvmppc_xive_source_set_irq(&spapr->xive->source, irq, val);
- } else {
- xive_source_set_irq(&spapr->xive->source, irq, val);
- }
-}
-
static void spapr_irq_init_kvm_xive(SpaprMachineState *spapr, Error **errp)
{
if (kvm_enabled()) {
@@ -236,7 +216,6 @@ SpaprIrq spapr_irq_xive = {
.dt_populate = spapr_dt_xive,
.post_load = spapr_irq_post_load_xive,
.reset = spapr_irq_reset_xive,
- .set_irq = spapr_irq_set_irq_xive,
.init_kvm = spapr_irq_init_kvm_xive,
};
@@ -316,13 +295,6 @@ static void spapr_irq_reset_dual(SpaprMachineState *spapr,
Error **errp)
spapr_irq_current(spapr)->reset(spapr, errp);
}
-static void spapr_irq_set_irq_dual(void *opaque, int irq, int val)
-{
- SpaprMachineState *spapr = opaque;
-
- spapr_irq_current(spapr)->set_irq(spapr, irq, val);
-}
-
/*
* Define values in sync with the XIVE and XICS backend
*/
@@ -336,7 +308,6 @@ SpaprIrq spapr_irq_dual = {
.dt_populate = spapr_irq_dt_populate_dual,
.post_load = spapr_irq_post_load_dual,
.reset = spapr_irq_reset_dual,
- .set_irq = spapr_irq_set_irq_dual,
.init_kvm = NULL, /* should not be used */
};
@@ -424,6 +395,15 @@ int spapr_irq_cpu_intc_create(SpaprMachineState *spapr,
return 0;
}
+static void spapr_set_irq(void *opaque, int irq, int level)
+{
+ SpaprMachineState *spapr = SPAPR_MACHINE(opaque);
+ SpaprInterruptControllerClass *sicc
+ = SPAPR_INTC_GET_CLASS(spapr->active_intc);
+
+ sicc->set_irq(spapr->active_intc, irq, level);
+}
+
void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
{
MachineState *machine = MACHINE(spapr);
@@ -513,7 +493,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
spapr_xive_hcall_init(spapr);
}
- spapr->qirqs = qemu_allocate_irqs(spapr->irq->set_irq, spapr,
+ spapr->qirqs = qemu_allocate_irqs(spapr_set_irq, spapr,
spapr->irq->nr_xirqs + SPAPR_XIRQ_BASE);
}
@@ -737,7 +717,6 @@ SpaprIrq spapr_irq_xics_legacy = {
.dt_populate = spapr_dt_xics,
.post_load = spapr_irq_post_load_xics,
.reset = spapr_irq_reset_xics,
- .set_irq = spapr_irq_set_irq_xics,
.init_kvm = spapr_irq_init_kvm_xics,
};
diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
index 593059eff5..ece8d2ea48 100644
--- a/include/hw/ppc/spapr_irq.h
+++ b/include/hw/ppc/spapr_irq.h
@@ -56,6 +56,9 @@ typedef struct SpaprInterruptControllerClass {
int (*claim_irq)(SpaprInterruptController *intc, int irq, bool lsi,
Error **errp);
void (*free_irq)(SpaprInterruptController *intc, int irq);
+
+ /* These methods should only be called on the active intc */
+ void (*set_irq)(SpaprInterruptController *intc, int irq, int val);
} SpaprInterruptControllerClass;
void spapr_irq_update_active_intc(SpaprMachineState *spapr);
@@ -80,7 +83,6 @@ typedef struct SpaprIrq {
void *fdt, uint32_t phandle);
int (*post_load)(SpaprMachineState *spapr, int version_id);
void (*reset)(SpaprMachineState *spapr, Error **errp);
- void (*set_irq)(void *opaque, int srcno, int val);
void (*init_kvm)(SpaprMachineState *spapr, Error **errp);
} SpaprIrq;
--
2.21.0
- [PATCH v4 00/19] spapr: IRQ subsystem cleanup, David Gibson, 2019/10/09
- [PATCH v4 02/19] xics: Make some device types not user creatable, David Gibson, 2019/10/09
- [PATCH v4 01/19] xive: Make some device types not user creatable, David Gibson, 2019/10/09
- [PATCH v4 03/19] target/ppc: Fix for optimized vsl/vsr instructions, David Gibson, 2019/10/09
- [PATCH v4 04/19] spapr, xics, xive: Introduce SpaprInterruptController QOM interface, David Gibson, 2019/10/09
- [PATCH v4 08/19] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprInterruptController,
David Gibson <=
- [PATCH v4 12/19] spapr: Remove SpaprIrq::init_kvm hook, David Gibson, 2019/10/09
- [PATCH v4 07/19] spapr: Formalize notion of active interrupt controller, David Gibson, 2019/10/09
- [PATCH v4 14/19] spapr, xics, xive: Move SpaprIrq::post_load hook to backends, David Gibson, 2019/10/09
- [PATCH v4 18/19] spapr: Handle irq backend changes with VFIO PCI devices, David Gibson, 2019/10/09