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[Qemu-devel] [PATCH v1 03/37] vhost-user: share the vhost-user protocol
From: |
Wei Wang |
Subject: |
[Qemu-devel] [PATCH v1 03/37] vhost-user: share the vhost-user protocol related structures |
Date: |
Sat, 17 Dec 2016 18:43:13 +0800 |
Put the vhost-user protocol related data structures into vhost-user.h,
so that they can be used in other implementations (e.g. a slave
implementation).
Signed-off-by: Wei Wang <address@hidden>
---
hw/virtio/vhost-user.c | 87 +---------------------------------------
include/hw/virtio/vhost-user.h | 91 ++++++++++++++++++++++++++++++++++++++++++
include/net/vhost-user.h | 4 +-
3 files changed, 94 insertions(+), 88 deletions(-)
create mode 100644 include/hw/virtio/vhost-user.h
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 7ee92b3..9e089d4 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -12,6 +12,7 @@
#include "qapi/error.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/vhost-backend.h"
+#include "hw/virtio/vhost-user.h"
#include "hw/virtio/virtio-net.h"
#include "sysemu/char.h"
#include "sysemu/kvm.h"
@@ -22,92 +23,6 @@
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/un.h>
-#include <linux/vhost.h>
-
-#define VHOST_MEMORY_MAX_NREGIONS 8
-#define VHOST_USER_F_PROTOCOL_FEATURES 30
-
-enum VhostUserProtocolFeature {
- VHOST_USER_PROTOCOL_F_MQ = 0,
- VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
- VHOST_USER_PROTOCOL_F_RARP = 2,
- VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
-
- VHOST_USER_PROTOCOL_F_MAX
-};
-
-#define VHOST_USER_PROTOCOL_FEATURE_MASK ((1 << VHOST_USER_PROTOCOL_F_MAX) - 1)
-
-typedef enum VhostUserRequest {
- VHOST_USER_NONE = 0,
- VHOST_USER_GET_FEATURES = 1,
- VHOST_USER_SET_FEATURES = 2,
- VHOST_USER_SET_OWNER = 3,
- VHOST_USER_RESET_OWNER = 4,
- VHOST_USER_SET_MEM_TABLE = 5,
- VHOST_USER_SET_LOG_BASE = 6,
- VHOST_USER_SET_LOG_FD = 7,
- VHOST_USER_SET_VRING_NUM = 8,
- VHOST_USER_SET_VRING_ADDR = 9,
- VHOST_USER_SET_VRING_BASE = 10,
- VHOST_USER_GET_VRING_BASE = 11,
- VHOST_USER_SET_VRING_KICK = 12,
- VHOST_USER_SET_VRING_CALL = 13,
- VHOST_USER_SET_VRING_ERR = 14,
- VHOST_USER_GET_PROTOCOL_FEATURES = 15,
- VHOST_USER_SET_PROTOCOL_FEATURES = 16,
- VHOST_USER_GET_QUEUE_NUM = 17,
- VHOST_USER_SET_VRING_ENABLE = 18,
- VHOST_USER_SEND_RARP = 19,
- VHOST_USER_MAX
-} VhostUserRequest;
-
-typedef struct VhostUserMemoryRegion {
- uint64_t guest_phys_addr;
- uint64_t memory_size;
- uint64_t userspace_addr;
- uint64_t mmap_offset;
-} VhostUserMemoryRegion;
-
-typedef struct VhostUserMemory {
- uint32_t nregions;
- uint32_t padding;
- VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
-} VhostUserMemory;
-
-typedef struct VhostUserLog {
- uint64_t mmap_size;
- uint64_t mmap_offset;
-} VhostUserLog;
-
-typedef struct VhostUserMsg {
- VhostUserRequest request;
-
-#define VHOST_USER_VERSION_MASK (0x3)
-#define VHOST_USER_REPLY_MASK (0x1<<2)
-#define VHOST_USER_NEED_REPLY_MASK (0x1 << 3)
- uint32_t flags;
- uint32_t size; /* the following payload size */
- union {
-#define VHOST_USER_VRING_IDX_MASK (0xff)
-#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
- uint64_t u64;
- struct vhost_vring_state state;
- struct vhost_vring_addr addr;
- VhostUserMemory memory;
- VhostUserLog log;
- } payload;
-} QEMU_PACKED VhostUserMsg;
-
-static VhostUserMsg m __attribute__ ((unused));
-#define VHOST_USER_HDR_SIZE (sizeof(m.request) \
- + sizeof(m.flags) \
- + sizeof(m.size))
-
-#define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
-
-/* The version of the protocol we support */
-#define VHOST_USER_VERSION (0x1)
static bool ioeventfd_enabled(void)
{
diff --git a/include/hw/virtio/vhost-user.h b/include/hw/virtio/vhost-user.h
new file mode 100644
index 0000000..c189b26
--- /dev/null
+++ b/include/hw/virtio/vhost-user.h
@@ -0,0 +1,91 @@
+#ifndef VHOST_USER_H
+#define VHOST_USER_H
+
+#include <linux/vhost.h>
+
+#define VHOST_MEMORY_MAX_NREGIONS 8
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+
+enum VhostUserProtocolFeature {
+ VHOST_USER_PROTOCOL_F_MQ = 0,
+ VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
+ VHOST_USER_PROTOCOL_F_RARP = 2,
+ VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
+
+ VHOST_USER_PROTOCOL_F_MAX
+};
+
+#define VHOST_USER_PROTOCOL_FEATURE_MASK ((1 << VHOST_USER_PROTOCOL_F_MAX) - 1)
+
+typedef enum VhostUserRequest {
+ VHOST_USER_NONE = 0,
+ VHOST_USER_GET_FEATURES = 1,
+ VHOST_USER_SET_FEATURES = 2,
+ VHOST_USER_SET_OWNER = 3,
+ VHOST_USER_RESET_OWNER = 4,
+ VHOST_USER_SET_MEM_TABLE = 5,
+ VHOST_USER_SET_LOG_BASE = 6,
+ VHOST_USER_SET_LOG_FD = 7,
+ VHOST_USER_SET_VRING_NUM = 8,
+ VHOST_USER_SET_VRING_ADDR = 9,
+ VHOST_USER_SET_VRING_BASE = 10,
+ VHOST_USER_GET_VRING_BASE = 11,
+ VHOST_USER_SET_VRING_KICK = 12,
+ VHOST_USER_SET_VRING_CALL = 13,
+ VHOST_USER_SET_VRING_ERR = 14,
+ VHOST_USER_GET_PROTOCOL_FEATURES = 15,
+ VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
+ VHOST_USER_SET_VRING_ENABLE = 18,
+ VHOST_USER_SEND_RARP = 19,
+ VHOST_USER_MAX
+} VhostUserRequest;
+
+typedef struct VhostUserMemoryRegion {
+ uint64_t guest_phys_addr;
+ uint64_t memory_size;
+ uint64_t userspace_addr;
+ uint64_t mmap_offset;
+} VhostUserMemoryRegion;
+
+typedef struct VhostUserMemory {
+ uint32_t nregions;
+ uint32_t padding;
+ VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS];
+} VhostUserMemory;
+
+typedef struct VhostUserLog {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+} VhostUserLog;
+
+typedef struct VhostUserMsg {
+ VhostUserRequest request;
+
+#define VHOST_USER_VERSION_MASK (0x3)
+#define VHOST_USER_REPLY_MASK (0x1<<2)
+#define VHOST_USER_NEED_REPLY_MASK (0x1 << 3)
+ uint32_t flags;
+ uint32_t size; /* the following payload size */
+ union {
+#define VHOST_USER_VRING_IDX_MASK (0xff)
+#define VHOST_USER_VRING_NOFD_MASK (0x1<<8)
+ uint64_t u64;
+ struct vhost_vring_state state;
+ struct vhost_vring_addr addr;
+ VhostUserMemory memory;
+ VhostUserLog log;
+ } payload;
+} QEMU_PACKED VhostUserMsg;
+
+static VhostUserMsg m __attribute__ ((unused));
+#define VHOST_USER_HDR_SIZE (sizeof(m.request) \
+ + sizeof(m.flags) \
+ + sizeof(m.size))
+
+#define VHOST_USER_PAYLOAD_SIZE (sizeof(m) - VHOST_USER_HDR_SIZE)
+
+/* The version of the protocol we support */
+#define VHOST_USER_VERSION (0x1)
+
+#endif
diff --git a/include/net/vhost-user.h b/include/net/vhost-user.h
index 5bcd8a6..d9e328d 100644
--- a/include/net/vhost-user.h
+++ b/include/net/vhost-user.h
@@ -8,8 +8,8 @@
*
*/
-#ifndef VHOST_USER_H
-#define VHOST_USER_H
+#ifndef NET_VHOST_USER_H
+#define NET_VHOST_USER_H
struct vhost_net;
struct vhost_net *vhost_user_get_vhost_net(NetClientState *nc);
--
2.7.4
- [Qemu-devel] [PATCH v1 00/37] Implementation of vhost-pci for inter-vm commucation, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 01/37] vhost-pci-net: the fundamental vhost-pci-net device emulation, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 02/37] vhost-pci-net: the fundamental implementation of vhost-pci-net-pci, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 04/37] vl: add the vhost-pci-slave command line option, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 03/37] vhost-user: share the vhost-user protocol related structures,
Wei Wang <=
- [Qemu-devel] [PATCH v1 05/37] vhost-pci-slave: start the implementation of vhost-pci-slave, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 06/37] vhost-pci-slave: set up the fundamental handlers for the server socket, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 08/37] vhost-pci-slave/msg: VHOST_USER_SET_FEATURES, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 07/37] vhost-pci-slave/msg: VHOST_USER_GET_FEATURES, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 09/37] vhost-pci-slave/msg: VHOST_USER_GET_PROTOCOL_FEATURES, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 10/37] vhost-pci-slave/msg: VHOST_USER_SET_PROTOCOL_FEATURES, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 11/37] vhost-user/msg: VHOST_USER_PROTOCOL_F_SET_DEVICE_ID, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 12/37] vhost-pci-slave/msg: VHOST_USER_SET_DEVICE_ID, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 14/37] vhost-pci-slave/msg: VHOST_USER_SET_OWNER, Wei Wang, 2016/12/17
- [Qemu-devel] [PATCH v1 13/37] vhost-pci-slave/msg: VHOST_USER_GET_QUEUE_NUM, Wei Wang, 2016/12/17