1 From 61d003be018fb5b874e6ffbf746684c53556c00e Mon Sep 17 00:00:00 2001
2 From: Jan Kiszka <jan.kiszka@siemens.com>
3 Date: Tue, 1 Oct 2019 12:33:25 +0200
4 Subject: [PATCH 11/32] ivshmem: Add header file
6 Common defines and structures for the ivshmem device.
8 Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
10 include/linux/ivshmem.h | 30 ++++++++++++++++++++++++++++++
11 1 file changed, 30 insertions(+)
12 create mode 100644 include/linux/ivshmem.h
14 diff --git a/include/linux/ivshmem.h b/include/linux/ivshmem.h
16 index 000000000000..bad8547f071b
18 +++ b/include/linux/ivshmem.h
20 +/* SPDX-License-Identifier: GPL-2.0-only */
21 +#ifndef _LINUX_IVSHMEM_H
22 +#define _LINUX_IVSHMEM_H
24 +#include <linux/types.h>
26 +#define IVSHM_PROTO_UNDEFINED 0x0000
27 +#define IVSHM_PROTO_NET 0x0001
28 +#define IVSHM_PROTO_VIRTIO_FRONT 0x8000
29 +#define IVSHM_PROTO_VIRTIO_BACK 0xc000
30 +#define IVSHM_PROTO_VIRTIO_DEVID_MASK 0x7fff
32 +#define IVSHM_CFG_PRIV_CNTL 0x03
33 +# define IVSHM_PRIV_CNTL_ONESHOT_INT BIT(0)
34 +#define IVSHM_CFG_STATE_TAB_SZ 0x04
35 +#define IVSHM_CFG_RW_SECTION_SZ 0x08
36 +#define IVSHM_CFG_OUTPUT_SECTION_SZ 0x10
37 +#define IVSHM_CFG_ADDRESS 0x18
47 +#define IVSHM_INT_ENABLE BIT(0)
49 +#endif /* _LINUX_IVSHMEM_H */