[dpdk-dev] [PATCH v3 07/20] vhost: move vhost device ctx to cuse

Yuanhan Liu yuanhan.liu at linux.intel.com
Tue Jun 7 05:51:57 CEST 2016


vhost cuse is now the last reference of the vhost_device_ctx struct;
move it there, and do a rename to "vhost_cuse_device_ctx", to make
it clear that it's "cuse only".

Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
Tested-by: Rich Lane <rich.lane at bigswitch.com>
Acked-by: Rich Lane <rich.lane at bigswitch.com>
---
 lib/librte_vhost/vhost-net.h                  |  8 --------
 lib/librte_vhost/vhost_cuse/vhost-net-cdev.c  | 13 +++++++------
 lib/librte_vhost/vhost_cuse/virtio-net-cdev.c |  6 ++++--
 lib/librte_vhost/vhost_cuse/virtio-net-cdev.h | 12 ++++++++++--
 4 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/lib/librte_vhost/vhost-net.h b/lib/librte_vhost/vhost-net.h
index 4de3aa0..4ed5816 100644
--- a/lib/librte_vhost/vhost-net.h
+++ b/lib/librte_vhost/vhost-net.h
@@ -75,14 +75,6 @@
 #endif
 
 
-/*
- * Structure used to identify device context.
- */
-struct vhost_device_ctx {
-	pid_t	pid;	/* PID of process calling the IOCTL. */
-	int	vid;	/* Virtio-net device ID */
-};
-
 int vhost_new_device(void);
 void vhost_destroy_device(int);
 
diff --git a/lib/librte_vhost/vhost_cuse/vhost-net-cdev.c b/lib/librte_vhost/vhost_cuse/vhost-net-cdev.c
index 45a9a91..cf6d191 100644
--- a/lib/librte_vhost/vhost_cuse/vhost-net-cdev.c
+++ b/lib/librte_vhost/vhost_cuse/vhost-net-cdev.c
@@ -60,13 +60,14 @@ static const char default_cdev[] = "vhost-net";
 static struct fuse_session *session;
 
 /*
- * Returns vhost_device_ctx from given fuse_req_t. The index is populated later
- * when the device is added to the device linked list.
+ * Returns vhost_cuse_device_ctx from given fuse_req_t. The
+ * index is populated later when the device is added to the
+ * device linked list.
  */
-static struct vhost_device_ctx
+static struct vhost_cuse_device_ctx
 fuse_req_to_vhost_ctx(fuse_req_t req, struct fuse_file_info *fi)
 {
-	struct vhost_device_ctx ctx;
+	struct vhost_cuse_device_ctx ctx;
 	struct fuse_ctx const *const req_ctx = fuse_req_ctx(req);
 
 	ctx.pid = req_ctx->pid;
@@ -104,7 +105,7 @@ static void
 vhost_net_release(fuse_req_t req, struct fuse_file_info *fi)
 {
 	int err = 0;
-	struct vhost_device_ctx ctx = fuse_req_to_vhost_ctx(req, fi);
+	struct vhost_cuse_device_ctx ctx = fuse_req_to_vhost_ctx(req, fi);
 
 	vhost_destroy_device(ctx.vid);
 	RTE_LOG(INFO, VHOST_CONFIG, "(%d) device released\n", ctx.vid);
@@ -182,7 +183,7 @@ vhost_net_ioctl(fuse_req_t req, int cmd, void *arg,
 		struct fuse_file_info *fi, __rte_unused unsigned flags,
 		const void *in_buf, size_t in_bufsz, size_t out_bufsz)
 {
-	struct vhost_device_ctx ctx = fuse_req_to_vhost_ctx(req, fi);
+	struct vhost_cuse_device_ctx ctx = fuse_req_to_vhost_ctx(req, fi);
 	struct vhost_vring_file file;
 	struct vhost_vring_state state;
 	struct vhost_vring_addr addr;
diff --git a/lib/librte_vhost/vhost_cuse/virtio-net-cdev.c b/lib/librte_vhost/vhost_cuse/virtio-net-cdev.c
index 34ee6c9..0723a7a 100644
--- a/lib/librte_vhost/vhost_cuse/virtio-net-cdev.c
+++ b/lib/librte_vhost/vhost_cuse/virtio-net-cdev.c
@@ -263,7 +263,7 @@ host_memory_map(pid_t pid, uint64_t addr,
 }
 
 int
-cuse_set_mem_table(struct vhost_device_ctx ctx,
+cuse_set_mem_table(struct vhost_cuse_device_ctx ctx,
 	const struct vhost_memory *mem_regions_addr, uint32_t nregions)
 {
 	uint64_t size = offsetof(struct vhost_memory, regions);
@@ -405,7 +405,9 @@ get_ifname(int vid, int tap_fd, int pid)
 	return 0;
 }
 
-int cuse_set_backend(struct vhost_device_ctx ctx, struct vhost_vring_file *file)
+int
+cuse_set_backend(struct vhost_cuse_device_ctx ctx,
+		 struct vhost_vring_file *file)
 {
 	struct virtio_net *dev;
 
diff --git a/lib/librte_vhost/vhost_cuse/virtio-net-cdev.h b/lib/librte_vhost/vhost_cuse/virtio-net-cdev.h
index eb6b0ba..3f67154 100644
--- a/lib/librte_vhost/vhost_cuse/virtio-net-cdev.h
+++ b/lib/librte_vhost/vhost_cuse/virtio-net-cdev.h
@@ -38,11 +38,19 @@
 
 #include "vhost-net.h"
 
+/*
+ * Structure used to identify device context.
+ */
+struct vhost_cuse_device_ctx {
+	pid_t	pid;	/* PID of process calling the IOCTL. */
+	int	vid;	/* Virtio-net device ID */
+};
+
 int
-cuse_set_mem_table(struct vhost_device_ctx ctx,
+cuse_set_mem_table(struct vhost_cuse_device_ctx ctx,
 	const struct vhost_memory *mem_regions_addr, uint32_t nregions);
 
 int
-cuse_set_backend(struct vhost_device_ctx ctx, struct vhost_vring_file *);
+cuse_set_backend(struct vhost_cuse_device_ctx ctx, struct vhost_vring_file *);
 
 #endif
-- 
1.9.0



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