[v7,09/18] examples/vdpa: add vDPA blk support in example
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Commit Message
Add virtio blk device support to vDPA example.
Signed-off-by: Andy Pei <andy.pei@intel.com>
---
examples/vdpa/main.c | 57 +++++++++++++++++++++++++++++++++++
examples/vdpa/vdpa_blk_compact.h | 65 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 122 insertions(+)
create mode 100644 examples/vdpa/vdpa_blk_compact.h
Comments
> -----Original Message-----
> From: Pei, Andy <andy.pei@intel.com>
> Sent: Wednesday, April 27, 2022 4:30 PM
> To: dev@dpdk.org
> Cc: Xia, Chenbo <chenbo.xia@intel.com>; maxime.coquelin@redhat.com; Cao,
> Gang <gang.cao@intel.com>; Liu, Changpeng <changpeng.liu@intel.com>
> Subject: [PATCH v7 09/18] examples/vdpa: add vDPA blk support in example
Better be: examples/vdpa: add virtio blk support
>
> Add virtio blk device support to vDPA example.
>
> Signed-off-by: Andy Pei <andy.pei@intel.com>
> ---
> examples/vdpa/main.c | 57 +++++++++++++++++++++++++++++++++++
> examples/vdpa/vdpa_blk_compact.h | 65
> ++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 122 insertions(+)
> create mode 100644 examples/vdpa/vdpa_blk_compact.h
>
> diff --git a/examples/vdpa/main.c b/examples/vdpa/main.c
> index 5ab0765..2544141 100644
> --- a/examples/vdpa/main.c
> +++ b/examples/vdpa/main.c
> @@ -20,6 +20,7 @@
> #include <cmdline_parse_string.h>
> #include <cmdline_parse_num.h>
> #include <cmdline.h>
> +#include "vdpa_blk_compact.h"
>
> #define MAX_PATH_LEN 128
> #define MAX_VDPA_SAMPLE_PORTS 1024
> @@ -159,8 +160,54 @@ struct vdpa_port {
> };
>
> static int
> +vdpa_blk_device_set_features_and_protocol(const char *path)
> +{
> + uint64_t protocol_features = 0;
> + int ret;
> +
> + ret = rte_vhost_driver_set_features(path, VHOST_BLK_FEATURES);
> + if (ret != 0) {
> + RTE_LOG(ERR, VDPA,
> + "rte_vhost_driver_set_features for %s failed.\n",
> + path);
> + goto out;
> + }
> +
> + ret = rte_vhost_driver_disable_features(path,
> + VHOST_BLK_DISABLED_FEATURES);
> + if (ret != 0) {
> + RTE_LOG(ERR, VDPA,
> + "rte_vhost_driver_disable_features for %s failed.\n",
> + path);
> + goto out;
> + }
> +
> + ret = rte_vhost_driver_get_protocol_features(path,
> &protocol_features);
> + if (ret != 0) {
> + RTE_LOG(ERR, VDPA,
> + "rte_vhost_driver_get_protocol_features for %s
> failed.\n",
> + path);
> + goto out;
> + }
> +
> + protocol_features |= VHOST_BLK_PROTOCOL_FEATURES;
> +
> + ret = rte_vhost_driver_set_protocol_features(path,
> protocol_features);
> + if (ret != 0) {
> + RTE_LOG(ERR, VDPA,
> + "rte_vhost_driver_set_protocol_features for %s
> failed.\n",
> + path);
> + goto out;
This goto is not needed.
> + }
> +
> +out:
> + return ret;
> +}
> +
> +static int
> start_vdpa(struct vdpa_port *vport)
> {
> + uint32_t device_type = 0;
> int ret;
> char *socket_path = vport->ifname;
>
> @@ -192,6 +239,16 @@ struct vdpa_port {
> "attach vdpa device failed: %s\n",
> socket_path);
>
> + ret = rte_vhost_driver_get_vdpa_dev_type(socket_path, &device_type);
> + if (ret == 0 && device_type == VDPA_DEVICE_TYPE_BLK) {
> + RTE_LOG(NOTICE, VDPA, "is a blk device\n");
Should add info of socket path
> + ret = vdpa_blk_device_set_features_and_protocol(socket_path);
> + if (ret != 0)
> + rte_exit(EXIT_FAILURE,
> + "set vhost blk driver features and protocol
> features failed: %s\n",
> + socket_path);
> + }
> +
> if (rte_vhost_driver_start(socket_path) < 0)
> rte_exit(EXIT_FAILURE,
> "start vhost driver failed: %s\n",
> diff --git a/examples/vdpa/vdpa_blk_compact.h
> b/examples/vdpa/vdpa_blk_compact.h
> new file mode 100644
> index 0000000..136c3f6
> --- /dev/null
> +++ b/examples/vdpa/vdpa_blk_compact.h
> @@ -0,0 +1,65 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2022 Intel Corporation
> + */
> +
> +#ifndef _VDPA_BLK_COMPACT_H_
> +#define _VDPA_BLK_COMPACT_H_
> +
> +/**
> + * @file
> + *
> + * Device specific vhost lib
> + */
> +
> +#include <stdbool.h>
> +
> +#include <rte_pci.h>
above two headers are not used in this file?
> +#include <rte_vhost.h>
> +
> +/* Feature bits */
> +#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size
> */
> +#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments
> */
> +#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */
> +#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available
> */
> +#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is
> available */
> +#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */
> +
> +/* Legacy feature bits */
> +#ifndef VIRTIO_BLK_NO_LEGACY
> +#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */
> +#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru
> */
> +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in
> config */
> +#endif /* !VIRTIO_BLK_NO_LEGACY */
> +
> +#ifndef VHOST_USER_F_PROTOCOL_FEATURES
> +#define VHOST_USER_F_PROTOCOL_FEATURES 30
> +#endif
It's already in rte_vhost.h, so no need to re-define.
Thanks,
Chenbo
> +
> +#define VHOST_BLK_FEATURES_BASE ((1ULL << VHOST_F_LOG_ALL) | \
> + (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
> + (1ULL << VIRTIO_RING_F_INDIRECT_DESC) | \
> + (1ULL << VIRTIO_RING_F_EVENT_IDX) | \
> + (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
> + (1ULL << VIRTIO_F_VERSION_1))
> +
> +#define VHOST_BLK_DISABLED_FEATURES_BASE ((1ULL <<
> VIRTIO_F_NOTIFY_ON_EMPTY) | \
> + (1ULL << VIRTIO_RING_F_EVENT_IDX))
> +
> +#define VHOST_BLK_FEATURES (VHOST_BLK_FEATURES_BASE | \
> + (1ULL << VIRTIO_BLK_F_SIZE_MAX) | (1ULL << VIRTIO_BLK_F_SEG_MAX) | \
> + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_BLK_SIZE) |
> \
> + (1ULL << VIRTIO_BLK_F_TOPOLOGY) | (1ULL << VIRTIO_BLK_F_BARRIER) |
> \
> + (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE)
> | \
> + (1ULL << VIRTIO_BLK_F_MQ))
> +
> +/* Not supported features */
> +#define VHOST_BLK_DISABLED_FEATURES (VHOST_BLK_DISABLED_FEATURES_BASE | \
> + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_BARRIER) | \
> + (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE))
> +
> +/* Vhost-blk support protocol features */
> +#define VHOST_BLK_PROTOCOL_FEATURES \
> + ((1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
> + (1ULL << VHOST_USER_PROTOCOL_F_CONFIG))
> +
> +#endif /* _VDPA_BLK_COMPACT_H_ */
> --
> 1.8.3.1
HI Chenbo,
Thanks for your reply.
My reply is inline.
> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia@intel.com>
> Sent: Thursday, May 12, 2022 9:34 PM
> To: Pei, Andy <andy.pei@intel.com>; dev@dpdk.org
> Cc: maxime.coquelin@redhat.com; Cao, Gang <gang.cao@intel.com>; Liu,
> Changpeng <changpeng.liu@intel.com>
> Subject: RE: [PATCH v7 09/18] examples/vdpa: add vDPA blk support in
> example
>
> > -----Original Message-----
> > From: Pei, Andy <andy.pei@intel.com>
> > Sent: Wednesday, April 27, 2022 4:30 PM
> > To: dev@dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia@intel.com>; maxime.coquelin@redhat.com;
> > Cao, Gang <gang.cao@intel.com>; Liu, Changpeng
> > <changpeng.liu@intel.com>
> > Subject: [PATCH v7 09/18] examples/vdpa: add vDPA blk support in
> > example
>
> Better be: examples/vdpa: add virtio blk support
>
Sure.
> >
> > Add virtio blk device support to vDPA example.
> >
> > Signed-off-by: Andy Pei <andy.pei@intel.com>
> > ---
> > examples/vdpa/main.c | 57
> +++++++++++++++++++++++++++++++++++
> > examples/vdpa/vdpa_blk_compact.h | 65
> > ++++++++++++++++++++++++++++++++++++++++
> > 2 files changed, 122 insertions(+)
> > create mode 100644 examples/vdpa/vdpa_blk_compact.h
> >
> > diff --git a/examples/vdpa/main.c b/examples/vdpa/main.c index
> > 5ab0765..2544141 100644
> > --- a/examples/vdpa/main.c
> > +++ b/examples/vdpa/main.c
> > @@ -20,6 +20,7 @@
> > #include <cmdline_parse_string.h>
> > #include <cmdline_parse_num.h>
> > #include <cmdline.h>
> > +#include "vdpa_blk_compact.h"
> >
> > #define MAX_PATH_LEN 128
> > #define MAX_VDPA_SAMPLE_PORTS 1024
> > @@ -159,8 +160,54 @@ struct vdpa_port { };
> >
> > static int
> > +vdpa_blk_device_set_features_and_protocol(const char *path) {
> > + uint64_t protocol_features = 0;
> > + int ret;
> > +
> > + ret = rte_vhost_driver_set_features(path, VHOST_BLK_FEATURES);
> > + if (ret != 0) {
> > + RTE_LOG(ERR, VDPA,
> > + "rte_vhost_driver_set_features for %s failed.\n",
> > + path);
> > + goto out;
> > + }
> > +
> > + ret = rte_vhost_driver_disable_features(path,
> > + VHOST_BLK_DISABLED_FEATURES);
> > + if (ret != 0) {
> > + RTE_LOG(ERR, VDPA,
> > + "rte_vhost_driver_disable_features for %s failed.\n",
> > + path);
> > + goto out;
> > + }
> > +
> > + ret = rte_vhost_driver_get_protocol_features(path,
> > &protocol_features);
> > + if (ret != 0) {
> > + RTE_LOG(ERR, VDPA,
> > + "rte_vhost_driver_get_protocol_features for %s
> > failed.\n",
> > + path);
> > + goto out;
> > + }
> > +
> > + protocol_features |= VHOST_BLK_PROTOCOL_FEATURES;
> > +
> > + ret = rte_vhost_driver_set_protocol_features(path,
> > protocol_features);
> > + if (ret != 0) {
> > + RTE_LOG(ERR, VDPA,
> > + "rte_vhost_driver_set_protocol_features for %s
> > failed.\n",
> > + path);
> > + goto out;
>
> This goto is not needed.
>
Yes, you are right. I will fix it.
> > + }
> > +
> > +out:
> > + return ret;
> > +}
> > +
> > +static int
> > start_vdpa(struct vdpa_port *vport)
> > {
> > + uint32_t device_type = 0;
> > int ret;
> > char *socket_path = vport->ifname;
> >
> > @@ -192,6 +239,16 @@ struct vdpa_port {
> > "attach vdpa device failed: %s\n",
> > socket_path);
> >
> > + ret = rte_vhost_driver_get_vdpa_dev_type(socket_path,
> &device_type);
> > + if (ret == 0 && device_type == VDPA_DEVICE_TYPE_BLK) {
> > + RTE_LOG(NOTICE, VDPA, "is a blk device\n");
>
> Should add info of socket path
>
Yes, you are right. I will fix it.
> > + ret =
> vdpa_blk_device_set_features_and_protocol(socket_path);
> > + if (ret != 0)
> > + rte_exit(EXIT_FAILURE,
> > + "set vhost blk driver features and protocol
> > features failed: %s\n",
> > + socket_path);
> > + }
> > +
> > if (rte_vhost_driver_start(socket_path) < 0)
> > rte_exit(EXIT_FAILURE,
> > "start vhost driver failed: %s\n", diff --git
> > a/examples/vdpa/vdpa_blk_compact.h
> > b/examples/vdpa/vdpa_blk_compact.h
> > new file mode 100644
> > index 0000000..136c3f6
> > --- /dev/null
> > +++ b/examples/vdpa/vdpa_blk_compact.h
> > @@ -0,0 +1,65 @@
> > +/* SPDX-License-Identifier: BSD-3-Clause
> > + * Copyright(c) 2022 Intel Corporation */
> > +
> > +#ifndef _VDPA_BLK_COMPACT_H_
> > +#define _VDPA_BLK_COMPACT_H_
> > +
> > +/**
> > + * @file
> > + *
> > + * Device specific vhost lib
> > + */
> > +
> > +#include <stdbool.h>
> > +
> > +#include <rte_pci.h>
>
> above two headers are not used in this file?
>
I will remove these two include.
> > +#include <rte_vhost.h>
> > +
> > +/* Feature bits */
> > +#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment
> size
> > */
> > +#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of
> segments
> > */
> > +#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */
> > +#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available
> > */
> > +#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is
> > available */
> > +#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */
> > +
> > +/* Legacy feature bits */
> > +#ifndef VIRTIO_BLK_NO_LEGACY
> > +#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */
> > +#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru
> > */
> > +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in
> > config */
> > +#endif /* !VIRTIO_BLK_NO_LEGACY */
> > +
> > +#ifndef VHOST_USER_F_PROTOCOL_FEATURES #define
> > +VHOST_USER_F_PROTOCOL_FEATURES 30 #endif
>
> It's already in rte_vhost.h, so no need to re-define.
>
> Thanks,
> Chenbo
>
Yes, you are right. I will fix it.
> > +
> > +#define VHOST_BLK_FEATURES_BASE ((1ULL << VHOST_F_LOG_ALL) | \
> > + (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
> > + (1ULL << VIRTIO_RING_F_INDIRECT_DESC) | \
> > + (1ULL << VIRTIO_RING_F_EVENT_IDX) | \
> > + (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
> > + (1ULL << VIRTIO_F_VERSION_1))
> > +
> > +#define VHOST_BLK_DISABLED_FEATURES_BASE ((1ULL <<
> > VIRTIO_F_NOTIFY_ON_EMPTY) | \
> > + (1ULL << VIRTIO_RING_F_EVENT_IDX))
> > +
> > +#define VHOST_BLK_FEATURES (VHOST_BLK_FEATURES_BASE | \
> > + (1ULL << VIRTIO_BLK_F_SIZE_MAX) | (1ULL <<
> VIRTIO_BLK_F_SEG_MAX) | \
> > + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL <<
> VIRTIO_BLK_F_BLK_SIZE) |
> > \
> > + (1ULL << VIRTIO_BLK_F_TOPOLOGY) | (1ULL <<
> VIRTIO_BLK_F_BARRIER) |
> > \
> > + (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL <<
> VIRTIO_BLK_F_CONFIG_WCE)
> > | \
> > + (1ULL << VIRTIO_BLK_F_MQ))
> > +
> > +/* Not supported features */
> > +#define VHOST_BLK_DISABLED_FEATURES
> (VHOST_BLK_DISABLED_FEATURES_BASE | \
> > + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL <<
> VIRTIO_BLK_F_BARRIER) | \
> > + (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL <<
> VIRTIO_BLK_F_CONFIG_WCE))
> > +
> > +/* Vhost-blk support protocol features */ #define
> > +VHOST_BLK_PROTOCOL_FEATURES \
> > + ((1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
> > + (1ULL << VHOST_USER_PROTOCOL_F_CONFIG))
> > +
> > +#endif /* _VDPA_BLK_COMPACT_H_ */
> > --
> > 1.8.3.1
>
@@ -20,6 +20,7 @@
#include <cmdline_parse_string.h>
#include <cmdline_parse_num.h>
#include <cmdline.h>
+#include "vdpa_blk_compact.h"
#define MAX_PATH_LEN 128
#define MAX_VDPA_SAMPLE_PORTS 1024
@@ -159,8 +160,54 @@ struct vdpa_port {
};
static int
+vdpa_blk_device_set_features_and_protocol(const char *path)
+{
+ uint64_t protocol_features = 0;
+ int ret;
+
+ ret = rte_vhost_driver_set_features(path, VHOST_BLK_FEATURES);
+ if (ret != 0) {
+ RTE_LOG(ERR, VDPA,
+ "rte_vhost_driver_set_features for %s failed.\n",
+ path);
+ goto out;
+ }
+
+ ret = rte_vhost_driver_disable_features(path,
+ VHOST_BLK_DISABLED_FEATURES);
+ if (ret != 0) {
+ RTE_LOG(ERR, VDPA,
+ "rte_vhost_driver_disable_features for %s failed.\n",
+ path);
+ goto out;
+ }
+
+ ret = rte_vhost_driver_get_protocol_features(path, &protocol_features);
+ if (ret != 0) {
+ RTE_LOG(ERR, VDPA,
+ "rte_vhost_driver_get_protocol_features for %s failed.\n",
+ path);
+ goto out;
+ }
+
+ protocol_features |= VHOST_BLK_PROTOCOL_FEATURES;
+
+ ret = rte_vhost_driver_set_protocol_features(path, protocol_features);
+ if (ret != 0) {
+ RTE_LOG(ERR, VDPA,
+ "rte_vhost_driver_set_protocol_features for %s failed.\n",
+ path);
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static int
start_vdpa(struct vdpa_port *vport)
{
+ uint32_t device_type = 0;
int ret;
char *socket_path = vport->ifname;
@@ -192,6 +239,16 @@ struct vdpa_port {
"attach vdpa device failed: %s\n",
socket_path);
+ ret = rte_vhost_driver_get_vdpa_dev_type(socket_path, &device_type);
+ if (ret == 0 && device_type == VDPA_DEVICE_TYPE_BLK) {
+ RTE_LOG(NOTICE, VDPA, "is a blk device\n");
+ ret = vdpa_blk_device_set_features_and_protocol(socket_path);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "set vhost blk driver features and protocol features failed: %s\n",
+ socket_path);
+ }
+
if (rte_vhost_driver_start(socket_path) < 0)
rte_exit(EXIT_FAILURE,
"start vhost driver failed: %s\n",
new file mode 100644
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2022 Intel Corporation
+ */
+
+#ifndef _VDPA_BLK_COMPACT_H_
+#define _VDPA_BLK_COMPACT_H_
+
+/**
+ * @file
+ *
+ * Device specific vhost lib
+ */
+
+#include <stdbool.h>
+
+#include <rte_pci.h>
+#include <rte_vhost.h>
+
+/* Feature bits */
+#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */
+#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */
+#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */
+#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available */
+#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */
+#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */
+
+/* Legacy feature bits */
+#ifndef VIRTIO_BLK_NO_LEGACY
+#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */
+#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
+#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */
+#endif /* !VIRTIO_BLK_NO_LEGACY */
+
+#ifndef VHOST_USER_F_PROTOCOL_FEATURES
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#endif
+
+#define VHOST_BLK_FEATURES_BASE ((1ULL << VHOST_F_LOG_ALL) | \
+ (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
+ (1ULL << VIRTIO_RING_F_INDIRECT_DESC) | \
+ (1ULL << VIRTIO_RING_F_EVENT_IDX) | \
+ (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
+ (1ULL << VIRTIO_F_VERSION_1))
+
+#define VHOST_BLK_DISABLED_FEATURES_BASE ((1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
+ (1ULL << VIRTIO_RING_F_EVENT_IDX))
+
+#define VHOST_BLK_FEATURES (VHOST_BLK_FEATURES_BASE | \
+ (1ULL << VIRTIO_BLK_F_SIZE_MAX) | (1ULL << VIRTIO_BLK_F_SEG_MAX) | \
+ (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_BLK_SIZE) | \
+ (1ULL << VIRTIO_BLK_F_TOPOLOGY) | (1ULL << VIRTIO_BLK_F_BARRIER) | \
+ (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE) | \
+ (1ULL << VIRTIO_BLK_F_MQ))
+
+/* Not supported features */
+#define VHOST_BLK_DISABLED_FEATURES (VHOST_BLK_DISABLED_FEATURES_BASE | \
+ (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_BARRIER) | \
+ (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE))
+
+/* Vhost-blk support protocol features */
+#define VHOST_BLK_PROTOCOL_FEATURES \
+ ((1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_CONFIG))
+
+#endif /* _VDPA_BLK_COMPACT_H_ */