From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, tiwei.bie@intel.com, zhihong.wang@intel.com,
jfreimann@redhat.com, nicknickolaev@gmail.com,
i.maximets@samsung.com, bruce.richardson@intel.com,
alejandro.lucero@netronome.com
Cc: dgilbert@redhat.com, stable@dpdk.org,
Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-stable] [PATCH v2 10/17] vhost: add support for postcopy's listen message
Date: Tue, 2 Oct 2018 11:36:44 +0200 [thread overview]
Message-ID: <20181002093651.24795-11-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20181002093651.24795-1-maxime.coquelin@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
lib/librte_vhost/vhost.h | 1 +
lib/librte_vhost/vhost_user.c | 19 +++++++++++++++++++
lib/librte_vhost/vhost_user.h | 4 +++-
3 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 21722d8a8..9453cb28d 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -364,6 +364,7 @@ struct virtio_net {
rte_spinlock_t slave_req_lock;
int postcopy_ufd;
+ int postcopy_listening;
/*
* Device id to identify a specific backend device.
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 71721edc7..bd468ca12 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -76,6 +76,7 @@ static const char *vhost_message_str[VHOST_USER_MAX] = {
[VHOST_USER_CRYPTO_CREATE_SESS] = "VHOST_USER_CRYPTO_CREATE_SESS",
[VHOST_USER_CRYPTO_CLOSE_SESS] = "VHOST_USER_CRYPTO_CLOSE_SESS",
[VHOST_USER_POSTCOPY_ADVISE] = "VHOST_USER_POSTCOPY_ADVISE",
+ [VHOST_USER_POSTCOPY_LISTEN] = "VHOST_USER_POSTCOPY_LISTEN",
};
/* The possible results of a message handling function */
@@ -1548,6 +1549,23 @@ vhost_user_set_postcopy_advise(struct virtio_net **pdev,
#endif
}
+static int
+vhost_user_set_postcopy_listen(struct virtio_net **pdev,
+ struct VhostUserMsg *msg __rte_unused,
+ int main_fd __rte_unused)
+{
+ struct virtio_net *dev = *pdev;
+
+ if (dev->mem && dev->mem->nregions) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "Regions already registered at postcopy-listen\n");
+ return VH_RESULT_ERR;
+ }
+ dev->postcopy_listening = 1;
+
+ return VH_RESULT_OK;
+}
+
typedef int (*vhost_message_handler_t)(struct virtio_net **pdev,
struct VhostUserMsg *msg,
int main_fd);
@@ -1576,6 +1594,7 @@ static vhost_message_handler_t vhost_message_handlers[VHOST_USER_MAX] = {
[VHOST_USER_SET_SLAVE_REQ_FD] = vhost_user_set_req_fd,
[VHOST_USER_IOTLB_MSG] = vhost_user_iotlb_msg,
[VHOST_USER_POSTCOPY_ADVISE] = vhost_user_set_postcopy_advise,
+ [VHOST_USER_POSTCOPY_LISTEN] = vhost_user_set_postcopy_listen,
};
diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 2030b40a5..73b1fe2b9 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -51,7 +51,9 @@ typedef enum VhostUserRequest {
VHOST_USER_CRYPTO_CREATE_SESS = 26,
VHOST_USER_CRYPTO_CLOSE_SESS = 27,
VHOST_USER_POSTCOPY_ADVISE = 28,
- VHOST_USER_MAX = 29
+ VHOST_USER_POSTCOPY_LISTEN = 29,
+ VHOST_USER_POSTCOPY_END = 30,
+ VHOST_USER_MAX = 31
} VhostUserRequest;
typedef enum VhostUserSlaveRequest {
--
2.17.1
next prev parent reply other threads:[~2018-10-02 9:38 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 9:36 [dpdk-stable] [PATCH v2 00/17] vhost: add postcopy live-migration support Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 01/17] vhost: fix messages error checks Maxime Coquelin
2018-10-02 14:15 ` Ilya Maximets
2018-10-03 7:50 ` Maxime Coquelin
2018-10-03 7:57 ` Ilya Maximets
2018-10-03 8:02 ` Maxime Coquelin
2018-10-03 8:32 ` Ilya Maximets
2018-10-03 9:07 ` Ilya Maximets
2018-10-03 14:39 ` Maxime Coquelin
2018-10-04 5:42 ` Ilya Maximets
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 02/17] vhost: fix return code of messages requiring replies Maxime Coquelin
2018-10-03 13:26 ` Ilya Maximets
2018-10-03 14:49 ` Maxime Coquelin
2018-10-04 5:49 ` Ilya Maximets
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 03/17] vhost: fix error handling when mem table gets updated Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 04/17] vhost: define postcopy protocol flag Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 05/17] vhost: add number of fds to vhost-user messages and use it Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 06/17] vhost: pass socket fd to message handling callbacks Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 07/17] vhost: enable fds passing when sending vhost-user messages Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 08/17] vhost: add config flag for postcopy feature Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 09/17] vhost: introduce postcopy's advise message Maxime Coquelin
2018-10-02 9:36 ` Maxime Coquelin [this message]
2018-10-02 14:11 ` [dpdk-stable] [PATCH v2 10/17] vhost: add support for postcopy's listen message Ilya Maximets
2018-10-03 7:46 ` Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 11/17] vhost: register new regions with userfaultfd Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 12/17] vhost: avoid useless VhostUserMemory copy Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 13/17] vhost: send userfault range addresses back to qemu Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 14/17] vhost: add support to postcopy's end request Maxime Coquelin
2018-10-02 14:18 ` Ilya Maximets
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 15/17] vhost: enable postcopy protocol feature Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 16/17] vhost: add flag to enable postcopy live-migration Maxime Coquelin
2018-10-02 9:36 ` [dpdk-stable] [PATCH v2 17/17] net/vhost: add parameter to enable postcopy support Maxime Coquelin
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