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[RFC 1/2] vhost-user: share the vhost-user protocol related structures
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From: |
Usama Arif |
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Subject: |
[RFC 1/2] vhost-user: share the vhost-user protocol related structures |
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Date: |
Thu, 19 May 2022 10:43:22 +0100 |
Put the vhost-user protocol related data structures to vhost-user.h,
so that they can be used in other implementations (e.g. a backend
implementation).
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
---
hw/virtio/vhost-user.c | 160 --------------------------------
include/hw/virtio/vhost-user.h | 163 +++++++++++++++++++++++++++++++++
2 files changed, 163 insertions(+), 160 deletions(-)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index b040c1ad2b..cf06c3604c 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -21,7 +21,6 @@
#include "qemu/error-report.h"
#include "qemu/main-loop.h"
#include "qemu/sockets.h"
-#include "sysemu/cryptodev.h"
#include "migration/migration.h"
#include "migration/postcopy-ram.h"
#include "trace.h"
@@ -37,10 +36,6 @@
#include <linux/userfaultfd.h>
#endif
-#define VHOST_MEMORY_BASELINE_NREGIONS 8
-#define VHOST_USER_F_PROTOCOL_FEATURES 30
-#define VHOST_USER_SLAVE_MAX_FDS 8
-
/*
* Set maximum number of RAM slots supported to
* the maximum number supported by the target
@@ -59,11 +54,6 @@
#define VHOST_USER_MAX_RAM_SLOTS 512
#endif
-/*
- * Maximum size of virtio device config space
- */
-#define VHOST_USER_MAX_CONFIG_SIZE 256
-
enum VhostUserProtocolFeature {
VHOST_USER_PROTOCOL_F_MQ = 0,
VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1,
@@ -84,157 +74,7 @@ enum VhostUserProtocolFeature {
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_NET_SET_MTU = 20,
- VHOST_USER_SET_SLAVE_REQ_FD = 21,
- VHOST_USER_IOTLB_MSG = 22,
- VHOST_USER_SET_VRING_ENDIAN = 23,
- VHOST_USER_GET_CONFIG = 24,
- VHOST_USER_SET_CONFIG = 25,
- VHOST_USER_CREATE_CRYPTO_SESSION = 26,
- VHOST_USER_CLOSE_CRYPTO_SESSION = 27,
- VHOST_USER_POSTCOPY_ADVISE = 28,
- VHOST_USER_POSTCOPY_LISTEN = 29,
- VHOST_USER_POSTCOPY_END = 30,
- VHOST_USER_GET_INFLIGHT_FD = 31,
- VHOST_USER_SET_INFLIGHT_FD = 32,
- VHOST_USER_GPU_SET_SOCKET = 33,
- VHOST_USER_RESET_DEVICE = 34,
- /* Message number 35 reserved for VHOST_USER_VRING_KICK. */
- VHOST_USER_GET_MAX_MEM_SLOTS = 36,
- VHOST_USER_ADD_MEM_REG = 37,
- VHOST_USER_REM_MEM_REG = 38,
- VHOST_USER_MAX
-} VhostUserRequest;
-
-typedef enum VhostUserSlaveRequest {
- VHOST_USER_SLAVE_NONE = 0,
- VHOST_USER_SLAVE_IOTLB_MSG = 1,
- VHOST_USER_SLAVE_CONFIG_CHANGE_MSG = 2,
- VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3,
- VHOST_USER_SLAVE_MAX
-} VhostUserSlaveRequest;
-
-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_BASELINE_NREGIONS];
-} VhostUserMemory;
-
-typedef struct VhostUserMemRegMsg {
- uint64_t padding;
- VhostUserMemoryRegion region;
-} VhostUserMemRegMsg;
-
-typedef struct VhostUserLog {
- uint64_t mmap_size;
- uint64_t mmap_offset;
-} VhostUserLog;
-
-typedef struct VhostUserConfig {
- uint32_t offset;
- uint32_t size;
- uint32_t flags;
- uint8_t region[VHOST_USER_MAX_CONFIG_SIZE];
-} VhostUserConfig;
-
-#define VHOST_CRYPTO_SYM_HMAC_MAX_KEY_LEN 512
-#define VHOST_CRYPTO_SYM_CIPHER_MAX_KEY_LEN 64
-
-typedef struct VhostUserCryptoSession {
- /* session id for success, -1 on errors */
- int64_t session_id;
- CryptoDevBackendSymSessionInfo session_setup_data;
- uint8_t key[VHOST_CRYPTO_SYM_CIPHER_MAX_KEY_LEN];
- uint8_t auth_key[VHOST_CRYPTO_SYM_HMAC_MAX_KEY_LEN];
-} VhostUserCryptoSession;
-
-static VhostUserConfig c __attribute__ ((unused));
-#define VHOST_USER_CONFIG_HDR_SIZE (sizeof(c.offset) \
- + sizeof(c.size) \
- + sizeof(c.flags))
-
-typedef struct VhostUserVringArea {
- uint64_t u64;
- uint64_t size;
- 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 {
- 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 */
-} QEMU_PACKED VhostUserHeader;
-
-typedef 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;
- VhostUserMemRegMsg mem_reg;
- VhostUserLog log;
- struct vhost_iotlb_msg iotlb;
- VhostUserConfig config;
- VhostUserCryptoSession session;
- VhostUserVringArea area;
- VhostUserInflight inflight;
-} VhostUserPayload;
-
-typedef struct VhostUserMsg {
- VhostUserHeader hdr;
- VhostUserPayload payload;
-} QEMU_PACKED VhostUserMsg;
-
static VhostUserMsg m __attribute__ ((unused));
-#define VHOST_USER_HDR_SIZE (sizeof(VhostUserHeader))
-
-#define VHOST_USER_PAYLOAD_SIZE (sizeof(VhostUserPayload))
-
-/* The version of the protocol we support */
-#define VHOST_USER_VERSION (0x1)
-
struct vhost_user {
struct vhost_dev *dev;
/* Shared between vhost devs of the same virtio device */
diff --git a/include/hw/virtio/vhost-user.h b/include/hw/virtio/vhost-user.h
index c6e693cd3f..892020a45d 100644
--- a/include/hw/virtio/vhost-user.h
+++ b/include/hw/virtio/vhost-user.h
@@ -10,6 +10,169 @@
#include "chardev/char-fe.h"
#include "hw/virtio/virtio.h"
+#include <linux/vhost.h>
+#include "sysemu/cryptodev.h"
+
+#define VHOST_MEMORY_BASELINE_NREGIONS 8
+#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#define VHOST_USER_SLAVE_MAX_FDS 8
+
+/*
+ * Maximum size of virtio device config space
+ */
+#define VHOST_USER_MAX_CONFIG_SIZE 256
+
+#define VHOST_USER_PROTOCOL_FEATURE_MASK ((1 << VHOST_USER_PROTOCOL_F_MAX) - 1)
+
+#define VHOST_MEMORY_MAX_NREGIONS 8
+
+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_NET_SET_MTU = 20,
+ VHOST_USER_SET_SLAVE_REQ_FD = 21,
+ VHOST_USER_IOTLB_MSG = 22,
+ VHOST_USER_SET_VRING_ENDIAN = 23,
+ VHOST_USER_GET_CONFIG = 24,
+ VHOST_USER_SET_CONFIG = 25,
+ VHOST_USER_CREATE_CRYPTO_SESSION = 26,
+ VHOST_USER_CLOSE_CRYPTO_SESSION = 27,
+ VHOST_USER_POSTCOPY_ADVISE = 28,
+ VHOST_USER_POSTCOPY_LISTEN = 29,
+ VHOST_USER_POSTCOPY_END = 30,
+ VHOST_USER_GET_INFLIGHT_FD = 31,
+ VHOST_USER_SET_INFLIGHT_FD = 32,
+ VHOST_USER_GPU_SET_SOCKET = 33,
+ VHOST_USER_RESET_DEVICE = 34,
+ /* Message number 35 reserved for VHOST_USER_VRING_KICK. */
+ VHOST_USER_GET_MAX_MEM_SLOTS = 36,
+ VHOST_USER_ADD_MEM_REG = 37,
+ VHOST_USER_REM_MEM_REG = 38,
+ VHOST_USER_MAX
+} VhostUserRequest;
+
+typedef enum VhostUserSlaveRequest {
+ VHOST_USER_SLAVE_NONE = 0,
+ VHOST_USER_SLAVE_IOTLB_MSG = 1,
+ VHOST_USER_SLAVE_CONFIG_CHANGE_MSG = 2,
+ VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3,
+ VHOST_USER_SLAVE_MAX
+} VhostUserSlaveRequest;
+
+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_BASELINE_NREGIONS];
+} VhostUserMemory;
+
+typedef struct VhostUserMemRegMsg {
+ uint64_t padding;
+ VhostUserMemoryRegion region;
+} VhostUserMemRegMsg;
+
+typedef struct VhostUserLog {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+} VhostUserLog;
+
+typedef struct VhostUserConfig {
+ uint32_t offset;
+ uint32_t size;
+ uint32_t flags;
+ uint8_t region[VHOST_USER_MAX_CONFIG_SIZE];
+} VhostUserConfig;
+
+#define VHOST_CRYPTO_SYM_HMAC_MAX_KEY_LEN 512
+#define VHOST_CRYPTO_SYM_CIPHER_MAX_KEY_LEN 64
+
+typedef struct VhostUserCryptoSession {
+ /* session id for success, -1 on errors */
+ int64_t session_id;
+ CryptoDevBackendSymSessionInfo session_setup_data;
+ uint8_t key[VHOST_CRYPTO_SYM_CIPHER_MAX_KEY_LEN];
+ uint8_t auth_key[VHOST_CRYPTO_SYM_HMAC_MAX_KEY_LEN];
+} VhostUserCryptoSession;
+
+static VhostUserConfig c __attribute__ ((unused));
+#define VHOST_USER_CONFIG_HDR_SIZE (sizeof(c.offset) \
+ + sizeof(c.size) \
+ + sizeof(c.flags))
+
+typedef struct VhostUserVringArea {
+ uint64_t u64;
+ uint64_t size;
+ 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 {
+ 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 */
+} QEMU_PACKED VhostUserHeader;
+
+typedef 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;
+ VhostUserMemRegMsg mem_reg;
+ VhostUserLog log;
+ struct vhost_iotlb_msg iotlb;
+ VhostUserConfig config;
+ VhostUserCryptoSession session;
+ VhostUserVringArea area;
+ VhostUserInflight inflight;
+} VhostUserPayload;
+
+typedef struct VhostUserMsg {
+ VhostUserHeader hdr;
+ VhostUserPayload payload;
+} QEMU_PACKED VhostUserMsg;
+
+#define VHOST_USER_HDR_SIZE (sizeof(VhostUserHeader))
+
+#define VHOST_USER_PAYLOAD_SIZE (sizeof(VhostUserPayload))
+
+/* The version of the protocol we support */
+#define VHOST_USER_VERSION (0x1)
/**
* VhostUserHostNotifier - notifier information for one queue
--
2.25.1