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-rw-r--r--src/vnet/devices/virtio/vhost-user.c76
-rw-r--r--src/vnet/devices/virtio/vhost-user.h3
2 files changed, 59 insertions, 20 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c
index 23188934..2e2b49c2 100644
--- a/src/vnet/devices/virtio/vhost-user.c
+++ b/src/vnet/devices/virtio/vhost-user.c
@@ -49,14 +49,14 @@
*/
-#define VHOST_USER_DEBUG_SOCKET 0
#define VHOST_DEBUG_VQ 0
-#if VHOST_USER_DEBUG_SOCKET == 1
-#define DBG_SOCK(args...) clib_warning(args);
-#else
-#define DBG_SOCK(args...)
-#endif
+#define DBG_SOCK(args...) \
+ { \
+ vhost_user_main_t *_vum = &vhost_user_main; \
+ if (_vum->debug) \
+ clib_warning(args); \
+ };
#if VHOST_DEBUG_VQ == 1
#define DBG_VQ(args...) clib_warning(args);
@@ -483,8 +483,6 @@ vhost_user_callfd_read_ready (unix_file_t * uf)
u8 buff[8];
n = read (uf->file_descriptor, ((char *) &buff), 8);
- DBG_SOCK ("if %d CALL queue %d", uf->private_data >> 8,
- uf->private_data & 0xff);
return 0;
}
@@ -921,7 +919,7 @@ vhost_user_socket_read (unix_file_t * uf)
break;
case VHOST_USER_SET_VRING_CALL:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_CALL u64 %d",
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_CALL %d",
vui->hw_if_index, msg.u64);
q = (u8) (msg.u64 & 0xFF);
@@ -954,7 +952,7 @@ vhost_user_socket_read (unix_file_t * uf)
break;
case VHOST_USER_SET_VRING_KICK:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_KICK u64 %d",
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_KICK %d",
vui->hw_if_index, msg.u64);
q = (u8) (msg.u64 & 0xFF);
@@ -992,7 +990,7 @@ vhost_user_socket_read (unix_file_t * uf)
break;
case VHOST_USER_SET_VRING_ERR:
- DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ERR u64 %d",
+ DBG_SOCK ("if %d msg VHOST_USER_SET_VRING_ERR %d",
vui->hw_if_index, msg.u64);
q = (u8) (msg.u64 & 0xFF);
@@ -1020,9 +1018,6 @@ vhost_user_socket_read (unix_file_t * uf)
break;
case VHOST_USER_GET_VRING_BASE:
- DBG_SOCK ("if %d msg VHOST_USER_GET_VRING_BASE idx %d num %d",
- vui->hw_if_index, msg.state.index, msg.state.num);
-
if (msg.state.index >= VHOST_VRING_MAX_N)
{
DBG_SOCK ("invalid vring index VHOST_USER_GET_VRING_BASE:"
@@ -1040,6 +1035,8 @@ vhost_user_socket_read (unix_file_t * uf)
/* Spec says: Client must [...] stop ring upon receiving VHOST_USER_GET_VRING_BASE. */
vhost_user_vring_close (vui, msg.state.index);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_VRING_BASE idx %d num %d",
+ vui->hw_if_index, msg.state.index, msg.state.num);
break;
case VHOST_USER_NONE:
@@ -1101,28 +1098,30 @@ vhost_user_socket_read (unix_file_t * uf)
break;
case VHOST_USER_GET_PROTOCOL_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_GET_PROTOCOL_FEATURES",
- vui->hw_if_index);
-
msg.flags |= 4;
msg.u64 = (1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |
(1 << VHOST_USER_PROTOCOL_F_MQ);
msg.size = sizeof (msg.u64);
+ DBG_SOCK
+ ("if %d msg VHOST_USER_GET_PROTOCOL_FEATURES - reply 0x%016llx",
+ vui->hw_if_index, msg.u64);
break;
case VHOST_USER_SET_PROTOCOL_FEATURES:
- DBG_SOCK ("if %d msg VHOST_USER_SET_PROTOCOL_FEATURES features 0x%lx",
- vui->hw_if_index, msg.u64);
+ DBG_SOCK
+ ("if %d msg VHOST_USER_SET_PROTOCOL_FEATURES features 0x%016llx",
+ vui->hw_if_index, msg.u64);
vui->protocol_features = msg.u64;
break;
case VHOST_USER_GET_QUEUE_NUM:
- DBG_SOCK ("if %d msg VHOST_USER_GET_QUEUE_NUM", vui->hw_if_index);
msg.flags |= 4;
msg.u64 = VHOST_VRING_MAX_N;
msg.size = sizeof (msg.u64);
+ DBG_SOCK ("if %d msg VHOST_USER_GET_QUEUE_NUM - reply %d",
+ vui->hw_if_index, msg.u64);
break;
case VHOST_USER_SET_VRING_ENABLE:
@@ -3533,6 +3532,43 @@ VLIB_CLI_COMMAND (show_vhost_user_command, static) = {
};
/* *INDENT-ON* */
+clib_error_t *
+debug_vhost_user_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *error = NULL;
+ vhost_user_main_t *vum = &vhost_user_main;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "on"))
+ vum->debug = 1;
+ else if (unformat (line_input, "off"))
+ vum->debug = 0;
+ else
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ }
+
+ unformat_free (line_input);
+
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (debug_vhost_user_command, static) = {
+ .path = "debug vhost-user",
+ .short_help = "debug vhost-user <on | off>",
+ .function = debug_vhost_user_command_fn,
+};
+/* *INDENT-ON* */
+
static clib_error_t *
vhost_user_config (vlib_main_t * vm, unformat_input_t * input)
{
diff --git a/src/vnet/devices/virtio/vhost-user.h b/src/vnet/devices/virtio/vhost-user.h
index ceced342..ed147a47 100644
--- a/src/vnet/devices/virtio/vhost-user.h
+++ b/src/vnet/devices/virtio/vhost-user.h
@@ -310,6 +310,9 @@ typedef struct
/* The number of rx interface/queue pairs in interrupt mode */
u32 ifq_count;
+
+ /* debug on or off */
+ u8 debug;
} vhost_user_main_t;
typedef struct