[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC PATCH v2 3/5] kvm_arm: Pass requester ID to MSI routin
From: |
Pavel Fedin |
Subject: |
[Qemu-devel] [RFC PATCH v2 3/5] kvm_arm: Pass requester ID to MSI routing functions |
Date: |
Tue, 20 Oct 2015 12:57:43 +0300 |
Introduce global kvm_arm_msi_use_devid flag and pass device IDs in
kvm_arch_fixup_msi_route(). Device IDs are required by the ITS.
Signed-off-by: Pavel Fedin <address@hidden>
---
target-arm/kvm.c | 6 ++++++
target-arm/kvm_arm.h | 3 +++
2 files changed, 9 insertions(+)
diff --git a/target-arm/kvm.c b/target-arm/kvm.c
index 79ef4c6..aad48a5 100644
--- a/target-arm/kvm.c
+++ b/target-arm/kvm.c
@@ -23,6 +23,7 @@
#include "cpu.h"
#include "internals.h"
#include "hw/arm/arm.h"
+#include "hw/pci/pci.h"
#include "exec/memattrs.h"
const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
@@ -30,6 +31,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
};
static bool cap_has_mp_state;
+bool kvm_arm_msi_use_devid = 0;
int kvm_arm_vcpu_init(CPUState *cs)
{
@@ -607,6 +609,10 @@ int kvm_arm_vgic_probe(void)
int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
uint64_t address, uint32_t data, PCIDevice *dev)
{
+ if (kvm_arm_msi_use_devid) {
+ route->flags = KVM_MSI_VALID_DEVID;
+ route->u.msi.devid = pci_requester_id(dev);
+ }
return 0;
}
diff --git a/target-arm/kvm_arm.h b/target-arm/kvm_arm.h
index 0ec221b..181ff37 100644
--- a/target-arm/kvm_arm.h
+++ b/target-arm/kvm_arm.h
@@ -120,6 +120,9 @@ bool write_kvmstate_to_list(ARMCPU *cpu);
void kvm_arm_reset_vcpu(ARMCPU *cpu);
#ifdef CONFIG_KVM
+
+extern bool kvm_arm_msi_use_devid;
+
/**
* kvm_arm_create_scratch_host_vcpu:
* @cpus_to_try: array of QEMU_KVM_ARM_TARGET_* values (terminated with
--
2.4.4