[v7,01/11] vhost: add the inflight description
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Commit Message
This patch add the inflight message description and
the inflight share fd protocol feature flag.
Signed-off-by: Lin Li <lilin24@baidu.com>
Signed-off-by: Xun Ni <nixun@baidu.com>
Signed-off-by: Yu Zhang <zhangyu31@baidu.com>
Signed-off-by: Jin Yu <jin.yu@intel.com>
---
v1 - specify the APIs are split-ring only
v2 - fix APIs and judge split or packed
v3 - add rte_vhost_ prefix and fix one issue
v4 - add the packed ring support
v5 - revise get_vring_base func depend on Tiwei's suggestion
v6 - divide patch into small patches
v7 - updated base on Maxime's comments
---
lib/librte_vhost/rte_vhost.h | 4 ++++
lib/librte_vhost/vhost_user.h | 8 ++++++++
2 files changed, 12 insertions(+)
Comments
On Tue, Sep 17, 2019 at 10:52:24PM +0800, JinYu wrote:
> This patch add the inflight message description and
> the inflight share fd protocol feature flag.
>
> Signed-off-by: Lin Li <lilin24@baidu.com>
> Signed-off-by: Xun Ni <nixun@baidu.com>
> Signed-off-by: Yu Zhang <zhangyu31@baidu.com>
> Signed-off-by: Jin Yu <jin.yu@intel.com>
> ---
Please keep Maxime's reviewed-by [1] when there is no change
in your patch. This applies to other patches as well.
[1] https://mails.dpdk.org/archives/dev/2019-September/142837.html
Thanks,
Tiwei
> -----Original Message-----
> From: Bie, Tiwei
> Sent: Wednesday, September 18, 2019 9:30 AM
> To: Yu, Jin <jin.yu@intel.com>
> Cc: dev@dpdk.org; Liu, Changpeng <changpeng.liu@intel.com>;
> maxime.coquelin@redhat.com; Wang, Zhihong <zhihong.wang@intel.com>;
> Lin Li <lilin24@baidu.com>; Xun Ni <nixun@baidu.com>; Yu Zhang
> <zhangyu31@baidu.com>
> Subject: Re: [PATCH v7 01/11] vhost: add the inflight description
>
> On Tue, Sep 17, 2019 at 10:52:24PM +0800, JinYu wrote:
> > This patch add the inflight message description and the inflight share
> > fd protocol feature flag.
> >
> > Signed-off-by: Lin Li <lilin24@baidu.com>
> > Signed-off-by: Xun Ni <nixun@baidu.com>
> > Signed-off-by: Yu Zhang <zhangyu31@baidu.com>
> > Signed-off-by: Jin Yu <jin.yu@intel.com>
> > ---
>
> Please keep Maxime's reviewed-by [1] when there is no change in your patch.
> This applies to other patches as well.
OK,Thanks.
>
> [1] https://mails.dpdk.org/archives/dev/2019-September/142837.html
>
> Thanks,
> Tiwei
@@ -71,6 +71,10 @@ extern "C" {
#define VHOST_USER_PROTOCOL_F_HOST_NOTIFIER 11
#endif
+#ifndef VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD
+#define VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD 12
+#endif
+
/** Indicate whether protocol features negotiation is supported. */
#ifndef VHOST_USER_F_PROTOCOL_FEATURES
#define VHOST_USER_F_PROTOCOL_FEATURES 30
@@ -112,6 +112,13 @@ typedef struct VhostUserVringArea {
uint64_t offset;
} VhostUserVringArea;
+typedef struct VhostUserInflight {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+ uint16_t num_queues;
+ uint16_t queue_size;
+} VhostUserInflight;
+
typedef struct VhostUserMsg {
union {
uint32_t master; /* a VhostUserRequest value */
@@ -134,6 +141,7 @@ typedef struct VhostUserMsg {
struct vhost_iotlb_msg iotlb;
VhostUserCryptoSessionParam crypto_session;
VhostUserVringArea area;
+ VhostUserInflight inflight;
} payload;
int fds[VHOST_MEMORY_MAX_NREGIONS];
int fd_num;