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SubjectRe: [alsa-devel] [PATCH] ASoC: SOF: use __u32 instead of uint32_t in uapi headers
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On 7/21/19 9:23 AM, Masahiro Yamada wrote:
> When CONFIG_UAPI_HEADER_TEST=y, exported headers are compile-tested to
> make sure they can be included from user-space.
>
> Currently, header.h and fw.h are excluded from the test coverage.
> To make them join the compile-test, we need to fix the build errors
> attached below.
>
> For a case like this, we decided to use __u{8,16,32,64} variable types
> in this discussion:
>
> https://lkml.org/lkml/2019/6/5/18

these files are shared with the SOF project and used as is (with minor
formatting) for the firmware compilation. I am not sure I understand the
ask here, are you really asking SOF to use linux-specific type definitions?

>
> Build log:
>
> CC usr/include/sound/sof/header.h.s
> CC usr/include/sound/sof/fw.h.s
> In file included from <command-line>:32:0:
> ./usr/include/sound/sof/header.h:19:2: error: unknown type name ‘uint32_t’
> uint32_t magic; /**< 'S', 'O', 'F', '\0' */
> ^~~~~~~~
> ./usr/include/sound/sof/header.h:20:2: error: unknown type name ‘uint32_t’
> uint32_t type; /**< component specific type */
> ^~~~~~~~
> ./usr/include/sound/sof/header.h:21:2: error: unknown type name ‘uint32_t’
> uint32_t size; /**< size in bytes of data excl. this struct */
> ^~~~~~~~
> ./usr/include/sound/sof/header.h:22:2: error: unknown type name ‘uint32_t’
> uint32_t abi; /**< SOF ABI version */
> ^~~~~~~~
> ./usr/include/sound/sof/header.h:23:2: error: unknown type name ‘uint32_t’
> uint32_t reserved[4]; /**< reserved for future use */
> ^~~~~~~~
> ./usr/include/sound/sof/header.h:24:2: error: unknown type name ‘uint32_t’
> uint32_t data[0]; /**< Component data - opaque to core */
> ^~~~~~~~
> In file included from <command-line>:32:0:
> ./usr/include/sound/sof/fw.h:49:2: error: unknown type name ‘uint32_t’
> uint32_t size; /* bytes minus this header */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:50:2: error: unknown type name ‘uint32_t’
> uint32_t offset; /* offset from base */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:64:2: error: unknown type name ‘uint32_t’
> uint32_t size; /* bytes minus this header */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:65:2: error: unknown type name ‘uint32_t’
> uint32_t num_blocks; /* number of blocks */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:73:2: error: unknown type name ‘uint32_t’
> uint32_t file_size; /* size of file minus this header */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:74:2: error: unknown type name ‘uint32_t’
> uint32_t num_modules; /* number of modules */
> ^~~~~~~~
> ./usr/include/sound/sof/fw.h:75:2: error: unknown type name ‘uint32_t’
> uint32_t abi; /* version of header format */
> ^~~~~~~~
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---
>
> include/uapi/sound/sof/fw.h | 16 +++++++++-------
> include/uapi/sound/sof/header.h | 14 ++++++++------
> 2 files changed, 17 insertions(+), 13 deletions(-)
>
> diff --git a/include/uapi/sound/sof/fw.h b/include/uapi/sound/sof/fw.h
> index 1afca973eb09..e9f697467a86 100644
> --- a/include/uapi/sound/sof/fw.h
> +++ b/include/uapi/sound/sof/fw.h
> @@ -13,6 +13,8 @@
> #ifndef __INCLUDE_UAPI_SOF_FW_H__
> #define __INCLUDE_UAPI_SOF_FW_H__
>
> +#include <linux/types.h>
> +
> #define SND_SOF_FW_SIG_SIZE 4
> #define SND_SOF_FW_ABI 1
> #define SND_SOF_FW_SIG "Reef"
> @@ -46,8 +48,8 @@ enum snd_sof_fw_blk_type {
>
> struct snd_sof_blk_hdr {
> enum snd_sof_fw_blk_type type;
> - uint32_t size; /* bytes minus this header */
> - uint32_t offset; /* offset from base */
> + __u32 size; /* bytes minus this header */
> + __u32 offset; /* offset from base */
> } __packed;
>
> /*
> @@ -61,8 +63,8 @@ enum snd_sof_fw_mod_type {
>
> struct snd_sof_mod_hdr {
> enum snd_sof_fw_mod_type type;
> - uint32_t size; /* bytes minus this header */
> - uint32_t num_blocks; /* number of blocks */
> + __u32 size; /* bytes minus this header */
> + __u32 num_blocks; /* number of blocks */
> } __packed;
>
> /*
> @@ -70,9 +72,9 @@ struct snd_sof_mod_hdr {
> */
> struct snd_sof_fw_header {
> unsigned char sig[SND_SOF_FW_SIG_SIZE]; /* "Reef" */
> - uint32_t file_size; /* size of file minus this header */
> - uint32_t num_modules; /* number of modules */
> - uint32_t abi; /* version of header format */
> + __u32 file_size; /* size of file minus this header */
> + __u32 num_modules; /* number of modules */
> + __u32 abi; /* version of header format */
> } __packed;
>
> #endif
> diff --git a/include/uapi/sound/sof/header.h b/include/uapi/sound/sof/header.h
> index 7868990b0d6f..5f4518e7a972 100644
> --- a/include/uapi/sound/sof/header.h
> +++ b/include/uapi/sound/sof/header.h
> @@ -9,6 +9,8 @@
> #ifndef __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
> #define __INCLUDE_UAPI_SOUND_SOF_USER_HEADER_H__
>
> +#include <linux/types.h>
> +
> /*
> * Header for all non IPC ABI data.
> *
> @@ -16,12 +18,12 @@
> * Used by any bespoke component data structures or binary blobs.
> */
> struct sof_abi_hdr {
> - uint32_t magic; /**< 'S', 'O', 'F', '\0' */
> - uint32_t type; /**< component specific type */
> - uint32_t size; /**< size in bytes of data excl. this struct */
> - uint32_t abi; /**< SOF ABI version */
> - uint32_t reserved[4]; /**< reserved for future use */
> - uint32_t data[0]; /**< Component data - opaque to core */
> + __u32 magic; /**< 'S', 'O', 'F', '\0' */
> + __u32 type; /**< component specific type */
> + __u32 size; /**< size in bytes of data excl. this struct */
> + __u32 abi; /**< SOF ABI version */
> + __u32 reserved[4]; /**< reserved for future use */
> + __u32 data[0]; /**< Component data - opaque to core */
> } __packed;
>
> #endif
>

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