linux-kernel - Re: [PATCH net-next v05 03/14] hinic3: HW common function initialization

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Message-ID: <20250911123120.GG30363@horms.kernel.org>
Date: Thu, 11 Sep 2025 13:31:20 +0100
From: Simon Horman <horms@...nel.org>
To: Fan Gong <gongfan1@...wei.com>
Cc: Zhu Yikai <zhuyikai1@...artners.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Andrew Lunn <andrew+netdev@...n.ch>, linux-doc@...r.kernel.org,
	Jonathan Corbet <corbet@....net>,
	Bjorn Helgaas <helgaas@...nel.org>, luosifu <luosifu@...wei.com>,
	Xin Guo <guoxin09@...wei.com>,
	Shen Chenyang <shenchenyang1@...ilicon.com>,
	Zhou Shuai <zhoushuai28@...wei.com>, Wu Like <wulike1@...wei.com>,
	Shi Jing <shijing34@...wei.com>,
	Luo Yang <luoyang82@...artners.com>,
	Meny Yossefi <meny.yossefi@...wei.com>,
	Gur Stavi <gur.stavi@...wei.com>, Lee Trager <lee@...ger.us>,
	Michael Ellerman <mpe@...erman.id.au>,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Suman Ghosh <sumang@...vell.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Joe Damato <jdamato@...tly.com>,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: Re: [PATCH net-next v05 03/14] hinic3: HW common function
 initialization

On Tue, Sep 09, 2025 at 03:33:28PM +0800, Fan Gong wrote:
> Add initialization for data structures and functions(cmdq ceq mbox ceq)
> that interact with hardware.
> 
> Co-developed-by: Zhu Yikai <zhuyikai1@...artners.com>
> Signed-off-by: Zhu Yikai <zhuyikai1@...artners.com>
> Signed-off-by: Fan Gong <gongfan1@...wei.com>

The nits below notwithstanding, this looks good to me.

Reviewed-by: Simon Horman <horms@...nel.org>

...

> diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_hw_comm.c b/drivers/net/ethernet/huawei/hinic3/hinic3_hw_comm.c

...

> @@ -61,3 +62,176 @@ int hinic3_func_reset(struct hinic3_hwdev *hwdev, u16 func_id, u64 reset_flag)
>  
>  	return 0;
>  }
> +
> +static int hinic3_comm_features_nego(struct hinic3_hwdev *hwdev, u8 opcode,
> +				     u64 *s_feature, u16 size)
> +{
> +	struct comm_cmd_feature_nego feature_nego = {};
> +	struct mgmt_msg_params msg_params = {};
> +	int err;
> +
> +	feature_nego.func_id = hinic3_global_func_id(hwdev);
> +	feature_nego.opcode = opcode;
> +	if (opcode == MGMT_MSG_CMD_OP_SET)
> +		memcpy(feature_nego.s_feature, s_feature, (size * sizeof(u64)));

nit: This could use array_size()

> +
> +	mgmt_msg_params_init_default(&msg_params, &feature_nego,
> +				     sizeof(feature_nego));
> +
> +	err = hinic3_send_mbox_to_mgmt(hwdev, MGMT_MOD_COMM,
> +				       COMM_CMD_FEATURE_NEGO, &msg_params);
> +	if (err || feature_nego.head.status) {
> +		dev_err(hwdev->dev, "Failed to negotiate feature, err: %d, status: 0x%x\n",
> +			err, feature_nego.head.status);
> +		return -EINVAL;
> +	}
> +
> +	if (opcode == MGMT_MSG_CMD_OP_GET)
> +		memcpy(s_feature, feature_nego.s_feature, (size * sizeof(u64)));

Ditto.

> +
> +	return 0;
> +}

...