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From: ALOK TIWARI <alok.a.tiwari@oracle.com>
To: Fan Gong <gongfan1@huawei.com>, Zhu Yikai <zhuyikai1@h-partners.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	linux-doc@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
	Bjorn Helgaas <helgaas@kernel.org>, luosifu <luosifu@huawei.com>,
	Xin Guo <guoxin09@huawei.com>,
	Shen Chenyang <shenchenyang1@hisilicon.com>,
	Zhou Shuai <zhoushuai28@huawei.com>, Wu Like <wulike1@huawei.com>,
	Shi Jing <shijing34@huawei.com>,
	Meny Yossefi <meny.yossefi@huawei.com>,
	Gur Stavi <gur.stavi@huawei.com>, Lee Trager <lee@trager.us>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Vadim Fedorenko <vadim.fedorenko@linux.dev>,
	Suman Ghosh <sumang@marvell.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Joe Damato <jdamato@fastly.com>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH net-next v01 01/12] hinic3: HW initialization
Date: Wed, 27 Aug 2025 01:22:14 +0530	[thread overview]
Message-ID: <0395d500-0b8e-4a2b-9dcd-d33df994f581@oracle.com> (raw)
In-Reply-To: <5f4589c1ab4f6736545a38096ce15b6569733c91.1756195078.git.zhuyikai1@h-partners.com>


> +static int db_area_idx_init(struct hinic3_hwif *hwif, u64 db_base_phy,
> +			    u8 __iomem *db_base, u64 db_dwqe_len)
> +{
> +	struct hinic3_db_area *db_area = &hwif->db_area;
> +	u32 db_max_areas;
> +
> +	hwif->db_base_phy = db_base_phy;
> +	hwif->db_base = db_base;
> +	hwif->db_dwqe_len = db_dwqe_len;
> +
> +	db_max_areas = db_dwqe_len > HINIC3_DB_DWQE_SIZE ?
> +		       HINIC3_DB_MAX_AREAS : db_dwqe_len / HINIC3_DB_PAGE_SIZE;
> +	db_area->db_bitmap_array = bitmap_zalloc(db_max_areas, GFP_KERNEL);
> +	if (!db_area->db_bitmap_array)
> +		return -ENOMEM;
> +
> +	db_area->db_max_areas = db_max_areas;
> +	spin_lock_init(&db_area->idx_lock);
> +
> +	return 0;
> +}
> +
> +static void db_area_idx_free(struct hinic3_db_area *db_area)
> +{
> +	kfree(db_area->db_bitmap_array);

db_bitmap_array allocation was done via bitmap_zalloc().
is it ok to use kfree? or bitmap_free

> +}
> +
>   static int get_db_idx(struct hinic3_hwif *hwif, u32 *idx)
>   {
>   	struct hinic3_db_area *db_area = &hwif->db_area;
> @@ -125,6 +273,15 @@ void hinic3_set_msix_state(struct hinic3_hwdev *hwdev, u16 msix_idx,
>   	hinic3_hwif_write_reg(hwif, addr, mask_bits);
>   }
>   
[clip]
> diff --git a/drivers/net/ethernet/huawei/hinic3/hinic3_pci_id_tbl.h b/drivers/net/ethernet/huawei/hinic3/hinic3_pci_id_tbl.h
> new file mode 100644
> index 000000000000..7d60bd45ad1b
> --- /dev/null
> +++ b/drivers/net/ethernet/huawei/hinic3/hinic3_pci_id_tbl.h
> @@ -0,0 +1,10 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved. */
> +
> +#ifndef _HINIC3_PCI_ID_TBL_H_
> +#define _HINIC3_PCI_ID_TBL_H_
> +
> +#define PCI_VENDOR_ID_HUAWEI    0x19e5

kernel already has PCI_VENDOR_ID_HUAWEI in <linux/pci_ids.h>

> +#define PCI_DEV_ID_HINIC3_VF    0x375F
> +
> +#endif
Thanks,
Alok

  parent reply	other threads:[~2025-08-26 19:53 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-26  9:05 [PATCH net-next v01 00/12] net: hinic3: Add a driver for Huawei 3rd gen NIC - sw and hw initialization Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 01/12] hinic3: HW initialization Fan Gong
2025-08-26 11:37   ` Vadim Fedorenko
2025-08-26 19:52   ` ALOK TIWARI [this message]
2025-08-26  9:05 ` [PATCH net-next v01 02/12] hinic3: HW management interfaces Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 03/12] hinic3: HW common function initialization Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 04/12] hinic3: HW capability initialization Fan Gong
2025-08-26 14:17   ` Vadim Fedorenko
2025-08-26  9:05 ` [PATCH net-next v01 05/12] hinic3: Command Queue flush interfaces Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 06/12] hinic3: Nic_io initialization Fan Gong
2025-08-26 15:49   ` Vadim Fedorenko
2025-08-26  9:05 ` [PATCH net-next v01 07/12] hinic3: Queue pair resource initialization Fan Gong
2025-08-26 16:08   ` Vadim Fedorenko
2025-08-26 20:05   ` ALOK TIWARI
2025-08-26  9:05 ` [PATCH net-next v01 08/12] hinic3: Queue pair context initialization Fan Gong
2025-08-26 16:42   ` Vadim Fedorenko
2025-08-26  9:05 ` [PATCH net-next v01 09/12] hinic3: Tx & Rx configuration Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 10/12] hinic3: Add Rss function Fan Gong
2025-08-26 17:06   ` Vadim Fedorenko
2025-08-26 17:49     ` Jakub Kicinski
2025-08-26 17:54   ` Eric Dumazet
2025-08-27  9:50     ` Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 11/12] hinic3: Add port management Fan Gong
2025-08-26  9:05 ` [PATCH net-next v01 12/12] hinic3: Fix missing napi->dev in netif_queue_set_napi Fan Gong

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