From: Eric Auger <eric.au...@linaro.org>
On ARM the MSI data corresponds to the shared peripheral interrupt (SPI)
ID. This latter equals to the SPI index + 32. to retrieve the SPI index,
matching the gsi, an architecture specific function is introduced.
Signed-off-by: Eric Auger <eric.au...@linaro.org>
Acked-by: Christoffer Dall <christoffer.d...@linaro.org>
Acked-by: Cornelia Huck <cornelia.h...@de.ibm.com>
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
include/sysemu/kvm.h | 2 ++
kvm-all.c | 2 +-
target-arm/kvm.c | 5 +++++
target-i386/kvm.c | 5 +++++
target-mips/kvm.c | 5 +++++
target-ppc/kvm.c | 5 +++++
target-s390x/kvm.c | 5 +++++
7 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 4878959..f459fbd 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -287,6 +287,8 @@ void kvm_arch_init_irq_routing(KVMState *s);
int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
uint64_t address, uint32_t data);
+int kvm_arch_msi_data_to_gsi(uint32_t data);
+
int kvm_set_irq(KVMState *s, int irq, int level);
int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
diff --git a/kvm-all.c b/kvm-all.c
index 17a3771..b2b1bc3 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1228,7 +1228,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
int virq;
if (kvm_gsi_direct_mapping()) {
- return msg.data & 0xffff;
+ return kvm_arch_msi_data_to_gsi(msg.data);
}
if (!kvm_gsi_routing_enabled()) {
diff --git a/target-arm/kvm.c b/target-arm/kvm.c
index 16abbf1..548bfd7 100644
--- a/target-arm/kvm.c
+++ b/target-arm/kvm.c
@@ -600,3 +600,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route,
{
return 0;
}
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+ return (data - 32) & 0xffff;
+}
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index a26d25a..ca2da84 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -2766,3 +2766,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route,
{
return 0;
}
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+ abort();
+}
diff --git a/target-mips/kvm.c b/target-mips/kvm.c
index 59eb111..948619f 100644
--- a/target-mips/kvm.c
+++ b/target-mips/kvm.c
@@ -696,3 +696,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route,
{
return 0;
}
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+ abort();
+}
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 1da9ea8..8f7cee5 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -2410,3 +2410,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route,
{
return 0;
}
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+ return data & 0xffff;
+}
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 6de7759..2740ec4 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -2216,3 +2216,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry
*route,
route->u.adapter.adapter_id = pbdev->routes.adapter.adapter_id;
return 0;
}
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+ abort();
+}
--
1.9.1
