meta-agl-jailhouse/recipes-kernel/linux/linux/0011-ivshmem-Add-header-file.patch

   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
   5
   6 Common defines and structures for the ivshmem device.
   7
   8 Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
   9 ---
  10  include/linux/ivshmem.h | 30 ++++++++++++++++++++++++++++++
  11  1 file changed, 30 insertions(+)
  12  create mode 100644 include/linux/ivshmem.h
  13
  14 diff --git a/include/linux/ivshmem.h b/include/linux/ivshmem.h
  15 new file mode 100644
  16 index 000000000000..bad8547f071b
  17 --- /dev/null
  18 +++ b/include/linux/ivshmem.h
  19 @@ -0,0 +1,30 @@
  20 +/* SPDX-License-Identifier: GPL-2.0-only */
  21 +#ifndef _LINUX_IVSHMEM_H
  22 +#define _LINUX_IVSHMEM_H
  23 +
  24 +#include <linux/types.h>
  25 +
  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
  31 +
  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
  38 +
  39 +struct ivshm_regs {
  40 +       u32 id;
  41 +       u32 max_peers;
  42 +       u32 int_control;
  43 +       u32 doorbell;
  44 +       u32 state;
  45 +};
  46 +
  47 +#define IVSHM_INT_ENABLE               BIT(0)
  48 +
  49 +#endif /* _LINUX_IVSHMEM_H */
  50 --
  51 2.11.0
  52