[RFC v8 07/20] um: lkl: host interface
From: Hajime Tazaki <hidden>
Date: 2021-01-20 03:39:51
Also in:
linux-um
Subsystem:
the rest, user-mode linux (uml) · Maintainers:
Linus Torvalds, Richard Weinberger, Anton Ivanov, Johannes Berg
This patch introduces the host operations that define the interface between the LKL and the host. These operations must be provided either by a host library or by the application itself. Signed-off-by: Hajime Tazaki <redacted> --- arch/um/include/asm/host_ops.h | 9 +++++++++ arch/um/lkl/include/uapi/asm/host_ops.h | 23 +++++++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 arch/um/include/asm/host_ops.h create mode 100644 arch/um/lkl/include/uapi/asm/host_ops.h
diff --git a/arch/um/include/asm/host_ops.h b/arch/um/include/asm/host_ops.h
new file mode 100644
index 000000000000..f52423cc4ced
--- /dev/null
+++ b/arch/um/include/asm/host_ops.h@@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_LKL_HOST_OPS_H +#define _ASM_LKL_HOST_OPS_H + +#include <uapi/asm/host_ops.h> + +extern struct lkl_host_operations *lkl_ops; + +#endif
diff --git a/arch/um/lkl/include/uapi/asm/host_ops.h b/arch/um/lkl/include/uapi/asm/host_ops.h
new file mode 100644
index 000000000000..5d141784541d
--- /dev/null
+++ b/arch/um/lkl/include/uapi/asm/host_ops.h@@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __UM_LIBMODE_UAPI_HOST_OPS_H +#define __UM_LIBMODE_UAPI_HOST_OPS_H + +/** + * struct lkl_host_operations - host operations used by the Linux kernel + * + * These operations must be provided by a host library or by the application + * itself. + * + */ +struct lkl_host_operations { +}; + +/** + * lkl_bug - call lkl_panic with a message + * + * @fmt: message format with parameters + * + */ +void lkl_bug(const char *fmt, ...); + +#endif
--
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