[PATCH v2 3/7] KVM: irqchip: convey devid to kvm_set_msi
STALE4078d
From: Eric Auger <hidden>
Date: 2015-07-09 08:22:13
Also in:
kvm, kvmarm
Subsystem:
kernel virtual machine (kvm), the rest · Maintainers:
Paolo Bonzini, Linus Torvalds
Revision v2 of 7 in this series.
Revisions (7)
on ARM, a devid field is populated in kvm_msi struct in case the flag is set to KVM_MSI_VALID_DEVID. Let's populate the corresponding kvm_kernel_irq_routing_entry devid field and set the msi type to KVM_IRQ_ROUTING_EXTENDED_MSI. Signed-off-by: Eric Auger <redacted> --- virt/kvm/irqchip.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c
index 21c1424..e678f8a 100644
--- a/virt/kvm/irqchip.c
+++ b/virt/kvm/irqchip.c@@ -72,9 +72,17 @@ int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi) { struct kvm_kernel_irq_routing_entry route; - if (!irqchip_in_kernel(kvm) || msi->flags != 0) + if (!irqchip_in_kernel(kvm)) return -EINVAL; + if (msi->flags & KVM_MSI_VALID_DEVID) { + route.devid = msi->devid; + route.type = KVM_IRQ_ROUTING_EXTENDED_MSI; + } else if (!msi->flags) + return -EINVAL; + + /* historically the route.type was not set */ + route.msi.address_lo = msi->address_lo; route.msi.address_hi = msi->address_hi; route.msi.data = msi->data;
--
1.9.1