[PATCH 2/7] KVM: kvm_host: add kvm_extended_msi

From: Eric Auger
Date: Mon Jun 29 2015 - 11:38:25 EST


Add a new kvm_extended_msi struct to store the additional device ID
specific to ARM. kvm_kernel_irq_routing_entry union now encompasses
this new struct.

Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>

---

RFC -> PATCH:
- reword the commit message after change in first patch (uapi)
---
include/linux/kvm_host.h | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ad45054..e1c1c0d 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -304,6 +304,13 @@ struct kvm_s390_adapter_int {
u32 adapter_id;
};

+struct kvm_extended_msi {
+ u32 address_lo; /* low 32 bits of msi message address */
+ u32 address_hi; /* high 32 bits of msi message address */
+ u32 data; /* 16 bits of msi message data */
+ u32 devid; /* out-of-band device ID */
+};
+
struct kvm_kernel_irq_routing_entry {
u32 gsi;
u32 type;
@@ -317,6 +324,7 @@ struct kvm_kernel_irq_routing_entry {
} irqchip;
struct msi_msg msi;
struct kvm_s390_adapter_int adapter;
+ struct kvm_extended_msi ext_msi;
};
struct hlist_node link;
};
--
1.9.1

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