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[Qemu-devel] [PATCH 2/3] vhost/scsi: Add VIRTIO_SCSI_F_T10_PI host_featu
From: |
Nicholas A. Bellinger |
Subject: |
[Qemu-devel] [PATCH 2/3] vhost/scsi: Add VIRTIO_SCSI_F_T10_PI host_feature bit |
Date: |
Fri, 30 Jan 2015 08:35:49 +0000 |
From: Nicholas Bellinger <address@hidden>
Signed-off-by: Nicholas Bellinger <address@hidden>
---
hw/scsi/vhost-scsi.c | 1 +
hw/scsi/virtio-scsi.c | 3 +++
hw/virtio/virtio-pci.c | 2 ++
include/hw/i386/pc.h | 13 ++++++++++++-
include/hw/virtio/virtio-scsi.h | 5 ++++-
5 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index dcb2bc5..95f7b99 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -31,6 +31,7 @@ static const int kernel_feature_bits[] = {
VIRTIO_RING_F_INDIRECT_DESC,
VIRTIO_RING_F_EVENT_IDX,
VIRTIO_SCSI_F_HOTPLUG,
+ VIRTIO_SCSI_F_T10_PI,
VHOST_INVALID_FEATURE_BIT
};
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 9e2c718..61e9988 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -887,6 +887,9 @@ static void virtio_scsi_device_realize(DeviceState *dev,
Error **errp)
return;
}
+ /* Protection information is not supported yet. */
+ vdev->guest_features &= ~VIRTIO_SCSI_F_T10_PI;
+
scsi_bus_new(&s->bus, sizeof(s->bus), dev,
&virtio_scsi_scsi_info, vdev->bus_name);
/* override default SCSI bus hotplug-handler, with virtio-scsi's one */
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 5127efb..861ec95 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1200,6 +1200,8 @@ static Property vhost_scsi_pci_properties[] = {
DEV_NVECTORS_UNSPECIFIED),
DEFINE_PROP_BIT("hotplug", VirtIOPCIProxy, host_features,
VIRTIO_SCSI_F_HOTPLUG, true),
+ DEFINE_PROP_BIT("prot_info", VirtIOPCIProxy, host_features,
+ VIRTIO_SCSI_F_T10_PI, true),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 69d9cf8..c81e2e9 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -315,7 +315,18 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "virtio-scsi-pci",\
.property = "any_layout",\
.value = "off",\
- },{\
+ },\
+ {\
+ .driver = "virtio-scsi-pci",\
+ .property = "prot_info",\
+ .value = "off",\
+ },\
+ {\
+ .driver = "vhost-scsi-pci",\
+ .property = "prot_info",\
+ .value = "off",\
+ },\
+ {\
.driver = "PIIX4_PM",\
.property = "memory-hotplug-support",\
.value = "off",\
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index bf17cc9..08bc54a 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -36,6 +36,7 @@
#define VIRTIO_SCSI_F_INOUT 0
#define VIRTIO_SCSI_F_HOTPLUG 1
#define VIRTIO_SCSI_F_CHANGE 2
+#define VIRTIO_SCSI_F_T10_PI 3
#define VIRTIO_SCSI_VQ_SIZE 128
#define VIRTIO_SCSI_CDB_SIZE 32
@@ -258,7 +259,9 @@ QEMU_BUILD_BUG_ON(offsetof(VirtIOSCSIReq, req.cdb) !=
DEFINE_PROP_BIT("hotplug", _state, _feature_field, VIRTIO_SCSI_F_HOTPLUG,
\
true),
\
DEFINE_PROP_BIT("param_change", _state, _feature_field,
\
- VIRTIO_SCSI_F_CHANGE, true)
+ VIRTIO_SCSI_F_CHANGE, true),
\
+ DEFINE_PROP_BIT("prot_info", _state, _feature_field,
\
+ VIRTIO_SCSI_F_T10_PI, true)
typedef void (*HandleOutput)(VirtIODevice *, VirtQueue *);
--
1.9.1