Simply replace 'master' with 'frontend' and 'slave' with 'backend'.

Signed-off-by: Nobuhiro MIKI <nm...@yahoo-corp.jp>
Acked-by: Stephen Hemminger <step...@networkplumber.org>
---
 drivers/vdpa/ifc/ifcvf_vdpa.c |  2 +-
 lib/vhost/rte_vhost.h         |  8 ++--
 lib/vhost/version.map         |  2 +-
 lib/vhost/vhost.c             |  4 +-
 lib/vhost/vhost.h             |  4 +-
 lib/vhost/vhost_crypto.c      |  2 +-
 lib/vhost/vhost_user.c        | 82 +++++++++++++++++------------------
 lib/vhost/vhost_user.h        |  8 ++--
 8 files changed, 56 insertions(+), 56 deletions(-)

diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index fe4d278c5380..e4133568c1aa 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -605,7 +605,7 @@ virtio_interrupt_handler(struct ifcvf_internal *internal)
        int vid = internal->vid;
        int ret;
 
-       ret = rte_vhost_slave_config_change(vid, 1);
+       ret = rte_vhost_backend_config_change(vid, 1);
        if (ret)
                DRV_LOG(ERR, "failed to notify the guest about configuration 
space change.");
 }
diff --git a/lib/vhost/rte_vhost.h b/lib/vhost/rte_vhost.h
index ed255fc6c51f..58a5d4be92f8 100644
--- a/lib/vhost/rte_vhost.h
+++ b/lib/vhost/rte_vhost.h
@@ -264,9 +264,9 @@ typedef enum rte_vhost_msg_result 
(*rte_vhost_msg_handle)(int vid, void *msg);
  * Optional vhost user message handlers.
  */
 struct rte_vhost_user_extern_ops {
-       /* Called prior to the master message handling. */
+       /* Called prior to the frontend message handling. */
        rte_vhost_msg_handle pre_msg_handle;
-       /* Called after the master message handling. */
+       /* Called after the frontend message handling. */
        rte_vhost_msg_handle post_msg_handle;
 };
 
@@ -1060,13 +1060,13 @@ rte_vhost_get_vdpa_device(int vid);
  * @param vid
  *  vhost device ID
  * @param need_reply
- *  wait for the master response the status of this operation
+ *  wait for the frontend response the status of this operation
  * @return
  *  0 on success, < 0 on failure
  */
 __rte_experimental
 int
-rte_vhost_slave_config_change(int vid, bool need_reply);
+rte_vhost_backend_config_change(int vid, bool need_reply);
 
 /**
  * Retrieve names of statistics of a Vhost virtqueue.
diff --git a/lib/vhost/version.map b/lib/vhost/version.map
index d779a5cf3a0a..d322a4a888cd 100644
--- a/lib/vhost/version.map
+++ b/lib/vhost/version.map
@@ -68,7 +68,7 @@ EXPERIMENTAL {
        global:
 
        rte_vhost_crypto_driver_start;
-       rte_vhost_slave_config_change;
+       rte_vhost_backend_config_change;
        rte_vhost_async_channel_register;
        rte_vhost_async_channel_unregister;
        rte_vhost_submit_enqueue_burst;
diff --git a/lib/vhost/vhost.c b/lib/vhost/vhost.c
index 358672bb176b..ef3794381751 100644
--- a/lib/vhost/vhost.c
+++ b/lib/vhost/vhost.c
@@ -701,9 +701,9 @@ vhost_new_device(void)
 
        dev->vid = i;
        dev->flags = VIRTIO_DEV_BUILTIN_VIRTIO_NET;
-       dev->slave_req_fd = -1;
+       dev->backend_req_fd = -1;
        dev->postcopy_ufd = -1;
-       rte_spinlock_init(&dev->slave_req_lock);
+       rte_spinlock_init(&dev->backend_req_lock);
 
        return i;
 }
diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h
index a31d810531d7..8fdab13c7097 100644
--- a/lib/vhost/vhost.h
+++ b/lib/vhost/vhost.h
@@ -499,8 +499,8 @@ struct virtio_net {
        uint32_t                max_guest_pages;
        struct guest_page       *guest_pages;
 
-       int                     slave_req_fd;
-       rte_spinlock_t          slave_req_lock;
+       int                     backend_req_fd;
+       rte_spinlock_t          backend_req_lock;
 
        int                     postcopy_ufd;
        int                     postcopy_listening;
diff --git a/lib/vhost/vhost_crypto.c b/lib/vhost/vhost_crypto.c
index f02bf865c349..9bf5ef67b9ad 100644
--- a/lib/vhost/vhost_crypto.c
+++ b/lib/vhost/vhost_crypto.c
@@ -451,7 +451,7 @@ vhost_crypto_msg_post_handler(int vid, void *msg)
                return RTE_VHOST_MSG_RESULT_ERR;
        }
 
-       switch (ctx->msg.request.master) {
+       switch (ctx->msg.request.frontend) {
        case VHOST_USER_CRYPTO_CREATE_SESS:
                vhost_crypto_create_sess(vcrypto,
                                &ctx->msg.payload.crypto_session);
diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
index cd4104ea5ce0..92ed4f02a68c 100644
--- a/lib/vhost/vhost_user.c
+++ b/lib/vhost/vhost_user.c
@@ -7,11 +7,11 @@
  * The vhost-user protocol connection is an external interface, so it must be
  * robust against invalid inputs.
  *
- * This is important because the vhost-user master is only one step removed
+ * This is important because the vhost-user frontend is only one step removed
  * from the guest.  Malicious guests that have escaped will then launch further
- * attacks from the vhost-user master.
+ * attacks from the vhost-user frontend.
  *
- * Even in deployments where guests are trusted, a bug in the vhost-user master
+ * Even in deployments where guests are trusted, a bug in the vhost-user 
frontend
  * can still cause invalid messages to be sent.  Such messages must not
  * compromise the stability of the DPDK application by causing crashes, memory
  * corruption, or other problematic behavior.
@@ -95,7 +95,7 @@ validate_msg_fds(struct virtio_net *dev, struct 
vhu_msg_context *ctx, int expect
 
        VHOST_LOG_CONFIG(dev->ifname, ERR,
                "expect %d FDs for request %s, received %d\n",
-               expected_fds, 
vhost_message_handlers[ctx->msg.request.master].description,
+               expected_fds, 
vhost_message_handlers[ctx->msg.request.frontend].description,
                ctx->fd_num);
 
        close_msg_fds(ctx);
@@ -226,9 +226,9 @@ vhost_backend_cleanup(struct virtio_net *dev)
                dev->inflight_info = NULL;
        }
 
-       if (dev->slave_req_fd >= 0) {
-               close(dev->slave_req_fd);
-               dev->slave_req_fd = -1;
+       if (dev->backend_req_fd >= 0) {
+               close(dev->backend_req_fd);
+               dev->backend_req_fd = -1;
        }
 
        if (dev->postcopy_ufd >= 0) {
@@ -349,7 +349,7 @@ vhost_user_set_features(struct virtio_net **pdev,
                        return RTE_VHOST_MSG_RESULT_OK;
 
                /*
-                * Error out if master tries to change features while device is
+                * Error out if frontend tries to change features while device 
is
                 * in running state. The exception being VHOST_F_LOG_ALL, which
                 * is enabled when the live-migration starts.
                 */
@@ -1192,10 +1192,10 @@ vhost_user_postcopy_register(struct virtio_net *dev, 
int main_fd,
        if (validate_msg_fds(dev, &ack_ctx, 0) != 0)
                return -1;
 
-       if (ack_ctx.msg.request.master != VHOST_USER_SET_MEM_TABLE) {
+       if (ack_ctx.msg.request.frontend != VHOST_USER_SET_MEM_TABLE) {
                VHOST_LOG_CONFIG(dev->ifname, ERR,
                        "bad qemu ack on postcopy set-mem-table (%d)\n",
-                       ack_ctx.msg.request.master);
+                       ack_ctx.msg.request.frontend);
                return -1;
        }
 
@@ -2257,11 +2257,11 @@ vhost_user_set_protocol_features(struct virtio_net 
**pdev,
 {
        struct virtio_net *dev = *pdev;
        uint64_t protocol_features = ctx->msg.payload.u64;
-       uint64_t slave_protocol_features = 0;
+       uint64_t backend_protocol_features = 0;
 
        rte_vhost_driver_get_protocol_features(dev->ifname,
-                       &slave_protocol_features);
-       if (protocol_features & ~slave_protocol_features) {
+                       &backend_protocol_features);
+       if (protocol_features & ~backend_protocol_features) {
                VHOST_LOG_CONFIG(dev->ifname, ERR, "received invalid protocol 
features.\n");
                return RTE_VHOST_MSG_RESULT_ERR;
        }
@@ -2458,14 +2458,14 @@ vhost_user_set_req_fd(struct virtio_net **pdev,
 
        if (fd < 0) {
                VHOST_LOG_CONFIG(dev->ifname, ERR,
-                       "invalid file descriptor for slave channel (%d)\n", fd);
+                       "invalid file descriptor for backend channel (%d)\n", 
fd);
                return RTE_VHOST_MSG_RESULT_ERR;
        }
 
-       if (dev->slave_req_fd >= 0)
-               close(dev->slave_req_fd);
+       if (dev->backend_req_fd >= 0)
+               close(dev->backend_req_fd);
 
-       dev->slave_req_fd = fd;
+       dev->backend_req_fd = fd;
 
        return RTE_VHOST_MSG_RESULT_OK;
 }
@@ -2931,46 +2931,46 @@ send_vhost_reply(struct virtio_net *dev, int sockfd, 
struct vhu_msg_context *ctx
 }
 
 static int
-send_vhost_slave_message(struct virtio_net *dev, struct vhu_msg_context *ctx)
+send_vhost_backend_message(struct virtio_net *dev, struct vhu_msg_context *ctx)
 {
-       return send_vhost_message(dev, dev->slave_req_fd, ctx);
+       return send_vhost_message(dev, dev->backend_req_fd, ctx);
 }
 
 static int
-send_vhost_slave_message_process_reply(struct virtio_net *dev, struct 
vhu_msg_context *ctx)
+send_vhost_backend_message_process_reply(struct virtio_net *dev, struct 
vhu_msg_context *ctx)
 {
        struct vhu_msg_context msg_reply;
        int ret;
 
-       rte_spinlock_lock(&dev->slave_req_lock);
-       ret = send_vhost_slave_message(dev, ctx);
+       rte_spinlock_lock(&dev->backend_req_lock);
+       ret = send_vhost_backend_message(dev, ctx);
        if (ret < 0) {
                VHOST_LOG_CONFIG(dev->ifname, ERR, "failed to send config 
change (%d)\n", ret);
                goto out;
        }
 
-       ret = read_vhost_message(dev, dev->slave_req_fd, &msg_reply);
+       ret = read_vhost_message(dev, dev->backend_req_fd, &msg_reply);
        if (ret <= 0) {
                if (ret < 0)
                        VHOST_LOG_CONFIG(dev->ifname, ERR,
-                               "vhost read slave message reply failed\n");
+                               "vhost read backend message reply failed\n");
                else
                        VHOST_LOG_CONFIG(dev->ifname, INFO, "vhost peer 
closed\n");
                ret = -1;
                goto out;
        }
 
-       if (msg_reply.msg.request.slave != ctx->msg.request.slave) {
+       if (msg_reply.msg.request.backend != ctx->msg.request.backend) {
                VHOST_LOG_CONFIG(dev->ifname, ERR,
                        "received unexpected msg type (%u), expected %u\n",
-                       msg_reply.msg.request.slave, ctx->msg.request.slave);
+                       msg_reply.msg.request.backend, 
ctx->msg.request.backend);
                ret = -1;
                goto out;
        }
 
        ret = msg_reply.msg.payload.u64 ? -1 : 0;
 out:
-       rte_spinlock_unlock(&dev->slave_req_lock);
+       rte_spinlock_unlock(&dev->backend_req_lock);
        return ret;
 }
 
@@ -2983,7 +2983,7 @@ vhost_user_check_and_alloc_queue_pair(struct virtio_net 
*dev,
 {
        uint32_t vring_idx;
 
-       switch (ctx->msg.request.master) {
+       switch (ctx->msg.request.frontend) {
        case VHOST_USER_SET_VRING_KICK:
        case VHOST_USER_SET_VRING_CALL:
        case VHOST_USER_SET_VRING_ERR:
@@ -3080,14 +3080,14 @@ vhost_user_msg_handler(int vid, int fd)
                }
        }
 
-       ctx.msg.request.master = VHOST_USER_NONE;
+       ctx.msg.request.frontend = VHOST_USER_NONE;
        ret = read_vhost_message(dev, fd, &ctx);
        if (ret == 0) {
                VHOST_LOG_CONFIG(dev->ifname, INFO, "vhost peer closed\n");
                return -1;
        }
 
-       request = ctx.msg.request.master;
+       request = ctx.msg.request.frontend;
        if (request > VHOST_USER_NONE && request < 
RTE_DIM(vhost_message_handlers))
                msg_handler = &vhost_message_handlers[request];
        else
@@ -3307,7 +3307,7 @@ vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t 
iova, uint8_t perm)
        int ret;
        struct vhu_msg_context ctx = {
                .msg = {
-                       .request.slave = VHOST_USER_BACKEND_IOTLB_MSG,
+                       .request.backend = VHOST_USER_BACKEND_IOTLB_MSG,
                        .flags = VHOST_USER_VERSION,
                        .size = sizeof(ctx.msg.payload.iotlb),
                        .payload.iotlb = {
@@ -3318,7 +3318,7 @@ vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t 
iova, uint8_t perm)
                },
        };
 
-       ret = send_vhost_message(dev, dev->slave_req_fd, &ctx);
+       ret = send_vhost_message(dev, dev->backend_req_fd, &ctx);
        if (ret < 0) {
                VHOST_LOG_CONFIG(dev->ifname, ERR,
                        "failed to send IOTLB miss message (%d)\n",
@@ -3330,11 +3330,11 @@ vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t 
iova, uint8_t perm)
 }
 
 int
-rte_vhost_slave_config_change(int vid, bool need_reply)
+rte_vhost_backend_config_change(int vid, bool need_reply)
 {
        struct vhu_msg_context ctx = {
                .msg = {
-                       .request.slave = VHOST_USER_BACKEND_CONFIG_CHANGE_MSG,
+                       .request.backend = VHOST_USER_BACKEND_CONFIG_CHANGE_MSG,
                        .flags = VHOST_USER_VERSION,
                        .size = 0,
                }
@@ -3347,10 +3347,10 @@ rte_vhost_slave_config_change(int vid, bool need_reply)
                return -ENODEV;
 
        if (!need_reply) {
-               ret = send_vhost_slave_message(dev, &ctx);
+               ret = send_vhost_backend_message(dev, &ctx);
        } else {
                ctx.msg.flags |= VHOST_USER_NEED_REPLY;
-               ret = send_vhost_slave_message_process_reply(dev, &ctx);
+               ret = send_vhost_backend_message_process_reply(dev, &ctx);
        }
 
        if (ret < 0)
@@ -3358,7 +3358,7 @@ rte_vhost_slave_config_change(int vid, bool need_reply)
        return ret;
 }
 
-static int vhost_user_slave_set_vring_host_notifier(struct virtio_net *dev,
+static int vhost_user_backend_set_vring_host_notifier(struct virtio_net *dev,
                                                    int index, int fd,
                                                    uint64_t offset,
                                                    uint64_t size)
@@ -3366,7 +3366,7 @@ static int 
vhost_user_slave_set_vring_host_notifier(struct virtio_net *dev,
        int ret;
        struct vhu_msg_context ctx = {
                .msg = {
-                       .request.slave = 
VHOST_USER_BACKEND_VRING_HOST_NOTIFIER_MSG,
+                       .request.backend = 
VHOST_USER_BACKEND_VRING_HOST_NOTIFIER_MSG,
                        .flags = VHOST_USER_VERSION | VHOST_USER_NEED_REPLY,
                        .size = sizeof(ctx.msg.payload.area),
                        .payload.area = {
@@ -3384,7 +3384,7 @@ static int 
vhost_user_slave_set_vring_host_notifier(struct virtio_net *dev,
                ctx.fd_num = 1;
        }
 
-       ret = send_vhost_slave_message_process_reply(dev, &ctx);
+       ret = send_vhost_backend_message_process_reply(dev, &ctx);
        if (ret < 0)
                VHOST_LOG_CONFIG(dev->ifname, ERR, "failed to set host notifier 
(%d)\n", ret);
 
@@ -3444,7 +3444,7 @@ int rte_vhost_host_notifier_ctrl(int vid, uint16_t qid, 
bool enable)
                                goto disable;
                        }
 
-                       if (vhost_user_slave_set_vring_host_notifier(dev, i,
+                       if (vhost_user_backend_set_vring_host_notifier(dev, i,
                                        vfio_device_fd, offset, size) < 0) {
                                ret = -EFAULT;
                                goto disable;
@@ -3453,7 +3453,7 @@ int rte_vhost_host_notifier_ctrl(int vid, uint16_t qid, 
bool enable)
        } else {
 disable:
                for (i = q_start; i <= q_last; i++) {
-                       vhost_user_slave_set_vring_host_notifier(dev, i, -1,
+                       vhost_user_backend_set_vring_host_notifier(dev, i, -1,
                                        0, 0);
                }
        }
diff --git a/lib/vhost/vhost_user.h b/lib/vhost/vhost_user.h
index 8e418414ba94..a0987a58f9e8 100644
--- a/lib/vhost/vhost_user.h
+++ b/lib/vhost/vhost_user.h
@@ -62,12 +62,12 @@ typedef enum VhostUserRequest {
        VHOST_USER_GET_STATUS = 40,
 } VhostUserRequest;
 
-typedef enum VhostUserSlaveRequest {
+typedef enum VhostUserBackendRequest {
        VHOST_USER_BACKEND_NONE = 0,
        VHOST_USER_BACKEND_IOTLB_MSG = 1,
        VHOST_USER_BACKEND_CONFIG_CHANGE_MSG = 2,
        VHOST_USER_BACKEND_VRING_HOST_NOTIFIER_MSG = 3,
-} VhostUserSlaveRequest;
+} VhostUserBackendRequest;
 
 typedef struct VhostUserMemoryRegion {
        uint64_t guest_phys_addr;
@@ -136,8 +136,8 @@ struct vhost_user_config {
 
 typedef struct VhostUserMsg {
        union {
-               uint32_t master; /* a VhostUserRequest value */
-               uint32_t slave;  /* a VhostUserSlaveRequest value*/
+               uint32_t frontend; /* a VhostUserRequest value */
+               uint32_t backend;  /* a VhostUserBackendRequest value*/
        } request;
 
 #define VHOST_USER_VERSION_MASK     0x3
-- 
2.31.1

Reply via email to