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author | Petr Mladek <pmladek@suse.com> | 2021-11-02 10:39:27 +0100 |
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committer | Petr Mladek <pmladek@suse.com> | 2021-11-02 10:39:27 +0100 |
commit | 40e64a88dadcfa168914065baf7f035de957bbe0 (patch) | |
tree | 06c8c4a9e6c1b478aa6851794c6a33bec1ce6ec4 /include/uapi/linux/virtio_gpio.h | |
parent | 24a1dffbecafeb00d8830985eb7a318e37aabc4e (diff) | |
parent | 6a7ca80f4033c9cf3003625b2ef8b497f4ec44da (diff) | |
download | linux-40e64a88dadcfa168914065baf7f035de957bbe0.tar.gz linux-40e64a88dadcfa168914065baf7f035de957bbe0.tar.bz2 linux-40e64a88dadcfa168914065baf7f035de957bbe0.zip |
Merge branch 'for-5.16-vsprintf-pgp' into for-linus
Diffstat (limited to 'include/uapi/linux/virtio_gpio.h')
-rw-r--r-- | include/uapi/linux/virtio_gpio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_gpio.h b/include/uapi/linux/virtio_gpio.h new file mode 100644 index 000000000000..0445f905d8cc --- /dev/null +++ b/include/uapi/linux/virtio_gpio.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + +#ifndef _LINUX_VIRTIO_GPIO_H +#define _LINUX_VIRTIO_GPIO_H + +#include <linux/types.h> + +/* Virtio GPIO request types */ +#define VIRTIO_GPIO_MSG_GET_NAMES 0x0001 +#define VIRTIO_GPIO_MSG_GET_DIRECTION 0x0002 +#define VIRTIO_GPIO_MSG_SET_DIRECTION 0x0003 +#define VIRTIO_GPIO_MSG_GET_VALUE 0x0004 +#define VIRTIO_GPIO_MSG_SET_VALUE 0x0005 + +/* Possible values of the status field */ +#define VIRTIO_GPIO_STATUS_OK 0x0 +#define VIRTIO_GPIO_STATUS_ERR 0x1 + +/* Direction types */ +#define VIRTIO_GPIO_DIRECTION_NONE 0x00 +#define VIRTIO_GPIO_DIRECTION_OUT 0x01 +#define VIRTIO_GPIO_DIRECTION_IN 0x02 + +struct virtio_gpio_config { + __le16 ngpio; + __u8 padding[2]; + __le32 gpio_names_size; +} __packed; + +/* Virtio GPIO Request / Response */ +struct virtio_gpio_request { + __le16 type; + __le16 gpio; + __le32 value; +}; + +struct virtio_gpio_response { + __u8 status; + __u8 value; +}; + +struct virtio_gpio_response_get_names { + __u8 status; + __u8 value[]; +}; + +#endif /* _LINUX_VIRTIO_GPIO_H */ |