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From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Jason Wang <jasowang@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	kvm@vger.kernel.org
Subject: [PULL 03/11] KVM: add support for any length io eventfd
Date: Thu, 12 Nov 2015 17:09:17 +0200	[thread overview]
Message-ID: <1447340097-18216-4-git-send-email-mst@redhat.com> (raw)
In-Reply-To: <1447340097-18216-1-git-send-email-mst@redhat.com>

From: Jason Wang <jasowang@redhat.com>

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/sysemu/kvm.h | 8 ++++++++
 kvm-all.c            | 4 ++++
 kvm-stub.c           | 1 +
 3 files changed, 13 insertions(+)

diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 4ac6176..b31f325 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -53,6 +53,7 @@ extern bool kvm_gsi_routing_allowed;
 extern bool kvm_gsi_direct_mapping;
 extern bool kvm_readonly_mem_allowed;
 extern bool kvm_direct_msi_allowed;
+extern bool kvm_ioeventfd_any_length_allowed;
 
 #if defined CONFIG_KVM || !defined NEED_CPU_H
 #define kvm_enabled()           (kvm_allowed)
@@ -153,6 +154,12 @@ extern bool kvm_direct_msi_allowed;
  */
 #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
 
+/**
+ * kvm_ioeventfd_any_length_enabled:
+ * Returns: true if KVM allows any length io eventfd.
+ */
+#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
+
 #else
 #define kvm_enabled()           (0)
 #define kvm_irqchip_in_kernel() (false)
@@ -166,6 +173,7 @@ extern bool kvm_direct_msi_allowed;
 #define kvm_gsi_direct_mapping() (false)
 #define kvm_readonly_mem_enabled() (false)
 #define kvm_direct_msi_enabled() (false)
+#define kvm_ioeventfd_any_length_enabled() (false)
 #endif
 
 struct kvm_run;
diff --git a/kvm-all.c b/kvm-all.c
index de3c8c4..c648b81 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -109,6 +109,7 @@ bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
 bool kvm_vm_attributes_allowed;
 bool kvm_direct_msi_allowed;
+bool kvm_ioeventfd_any_length_allowed;
 
 static const KVMCapabilityInfo kvm_required_capabilites[] = {
     KVM_CAP_INFO(USER_MEMORY),
@@ -1611,6 +1612,9 @@ static int kvm_init(MachineState *ms)
     kvm_vm_attributes_allowed =
         (kvm_check_extension(s, KVM_CAP_VM_ATTRIBUTES) > 0);
 
+    kvm_ioeventfd_any_length_allowed =
+        (kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0);
+
     ret = kvm_arch_init(ms, s);
     if (ret < 0) {
         goto err;
diff --git a/kvm-stub.c b/kvm-stub.c
index a5051f7..dc97a5e 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -30,6 +30,7 @@ bool kvm_gsi_routing_allowed;
 bool kvm_gsi_direct_mapping;
 bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
+bool kvm_ioeventfd_any_length_allowed;
 
 int kvm_init_vcpu(CPUState *cpu)
 {
-- 
MST


WARNING: multiple messages have this Message-ID
From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Jason Wang <jasowang@redhat.com>,
	kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: [Qemu-devel] [PULL 03/11] KVM: add support for any length io eventfd
Date: Thu, 12 Nov 2015 17:09:17 +0200	[thread overview]
Message-ID: <1447340097-18216-4-git-send-email-mst@redhat.com> (raw)
In-Reply-To: <1447340097-18216-1-git-send-email-mst@redhat.com>

From: Jason Wang <jasowang@redhat.com>

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/sysemu/kvm.h | 8 ++++++++
 kvm-all.c            | 4 ++++
 kvm-stub.c           | 1 +
 3 files changed, 13 insertions(+)

diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 4ac6176..b31f325 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -53,6 +53,7 @@ extern bool kvm_gsi_routing_allowed;
 extern bool kvm_gsi_direct_mapping;
 extern bool kvm_readonly_mem_allowed;
 extern bool kvm_direct_msi_allowed;
+extern bool kvm_ioeventfd_any_length_allowed;
 
 #if defined CONFIG_KVM || !defined NEED_CPU_H
 #define kvm_enabled()           (kvm_allowed)
@@ -153,6 +154,12 @@ extern bool kvm_direct_msi_allowed;
  */
 #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
 
+/**
+ * kvm_ioeventfd_any_length_enabled:
+ * Returns: true if KVM allows any length io eventfd.
+ */
+#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
+
 #else
 #define kvm_enabled()           (0)
 #define kvm_irqchip_in_kernel() (false)
@@ -166,6 +173,7 @@ extern bool kvm_direct_msi_allowed;
 #define kvm_gsi_direct_mapping() (false)
 #define kvm_readonly_mem_enabled() (false)
 #define kvm_direct_msi_enabled() (false)
+#define kvm_ioeventfd_any_length_enabled() (false)
 #endif
 
 struct kvm_run;
diff --git a/kvm-all.c b/kvm-all.c
index de3c8c4..c648b81 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -109,6 +109,7 @@ bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
 bool kvm_vm_attributes_allowed;
 bool kvm_direct_msi_allowed;
+bool kvm_ioeventfd_any_length_allowed;
 
 static const KVMCapabilityInfo kvm_required_capabilites[] = {
     KVM_CAP_INFO(USER_MEMORY),
@@ -1611,6 +1612,9 @@ static int kvm_init(MachineState *ms)
     kvm_vm_attributes_allowed =
         (kvm_check_extension(s, KVM_CAP_VM_ATTRIBUTES) > 0);
 
+    kvm_ioeventfd_any_length_allowed =
+        (kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0);
+
     ret = kvm_arch_init(ms, s);
     if (ret < 0) {
         goto err;
diff --git a/kvm-stub.c b/kvm-stub.c
index a5051f7..dc97a5e 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -30,6 +30,7 @@ bool kvm_gsi_routing_allowed;
 bool kvm_gsi_direct_mapping;
 bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
+bool kvm_ioeventfd_any_length_allowed;
 
 int kvm_init_vcpu(CPUState *cpu)
 {
-- 
MST

  parent reply	other threads:[~2015-11-12 15:09 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 15:09 [Qemu-devel] [PULL 00/11] virtio, vhost: fixes for 2.5 Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 01/11] virtio-pci: fix 1.0 virtqueue migration Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 02/11] memory: don't try to adjust endianness for zero length eventfd Michael S. Tsirkin
2015-11-12 15:09 ` Michael S. Tsirkin [this message]
2015-11-12 15:09   ` [Qemu-devel] [PULL 03/11] KVM: add support for any length io eventfd Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 04/11] virtio-pci: use zero length mmio eventfd for 1.0 notification cap when possible Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 05/11] virtio-pci: introduce pio notification capability for modern device Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 06/11] virtio-pci: unbreak queue_enable read Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 07/11] vhost-user: modify SET_LOG_BASE to pass mmap size and offset Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 08/11] vhost: rename RESET_DEVICE backto RESET_OWNER Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 09/11] vhost: send SET_VRING_ENABLE at start/stop Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 10/11] hw/virtio: Add PCIe capability to virtio devices Michael S. Tsirkin
2015-11-12 15:09 ` [Qemu-devel] [PULL 11/11] virtio-9p: add savem handlers Michael S. Tsirkin
2015-11-12 16:06 ` [Qemu-devel] [PULL 00/11] virtio, vhost: fixes for 2.5 Peter Maydell

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