linux-kernel - Re: [PATCH V3 07/11] accel/amdxdna: Add command execution

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Message-ID: <8549424d-bd22-8308-c661-c2ef13cdc441@quicinc.com>
Date: Fri, 4 Oct 2024 12:01:16 -0600
From: Jeffrey Hugo <quic_jhugo@...cinc.com>
To: Lizhi Hou <lizhi.hou@....com>, <ogabbay@...nel.org>,
        <dri-devel@...ts.freedesktop.org>
CC: <linux-kernel@...r.kernel.org>, <min.ma@....com>, <max.zhen@....com>,
        <sonal.santan@....com>, <king.tam@....com>
Subject: Re: [PATCH V3 07/11] accel/amdxdna: Add command execution

On 9/11/2024 12:06 PM, Lizhi Hou wrote:
> +enum amdxdna_cmd_type {
> +	AMDXDNA_CMD_SUBMIT_EXEC_BUF = 0,
> +	AMDXDNA_CMD_SUBMIT_DEPENDENCY,
> +	AMDXDNA_CMD_SUBMIT_SIGNAL,
> +};
> +
> +/**
> + * struct amdxdna_drm_exec_cmd - Execute command.
> + * @ext: MBZ.
> + * @ext_flags: MBZ.

I see a check for ext_flags, but not ext

> + * @hwctx: Hardware context handle.
> + * @type: One of command type in enum amdxdna_cmd_type.
> + * @cmd_handles: Array of command handles or the command handle itself
> + *               in case of just one.
> + * @args: Array of arguments for all command handles.
> + * @cmd_count: Number of command handles in the cmd_handles array.
> + * @arg_count: Number of arguments in the args array.
> + * @seq: Returned sequence number for this command.
> + */
> +struct amdxdna_drm_exec_cmd {
> +	__u64 ext;
> +	__u64 ext_flags;
> +	__u32 hwctx;
> +	__u32 type;
> +	__u64 cmd_handles;
> +	__u64 args;
> +	__u32 cmd_count;
> +	__u32 arg_count;
> +	__u64 seq;
> +};