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-rw-r--r--sys/dev/mlx/mlxio.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/dev/mlx/mlxio.h b/sys/dev/mlx/mlxio.h
index eabeb50..984b223 100644
--- a/sys/dev/mlx/mlxio.h
+++ b/sys/dev/mlx/mlxio.h
@@ -79,6 +79,10 @@ struct mlx_usercommand
/* command */
u_int16_t mu_status; /* command status returned */
u_int8_t mu_command[16]; /* command mailbox contents */
+
+ /* wrapper */
+ int mu_error; /* result of submission to driver */
+
};
#define MLX_NEXT_CHILD _IOWR('M', 0, int)
@@ -86,3 +90,4 @@ struct mlx_usercommand
#define MLX_DETACH_DRIVE _IOW ('M', 2, int)
#define MLX_PAUSE_CHANNEL _IOW ('M', 3, struct mlx_pause)
#define MLX_COMMAND _IOWR('M', 4, struct mlx_usercommand)
+
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