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Miller" , Mark Bloch , "Parav Pandit" , Simon Horman , Shay Drori , , , , Gal Pressman , Dragos Tatulea , Moshe Shemesh , Alexei Lazar Subject: [PATCH mlx5-next 1/2] mlx5: Remove redundant iseg base Date: Thu, 19 Mar 2026 14:22:10 +0200 Message-ID: <20260319122211.27384-2-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260319122211.27384-1-tariqt@nvidia.com> References: <20260319122211.27384-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002636C:EE_|MN6PR12MB8566:EE_ X-MS-Office365-Filtering-Correlation-Id: 94fc481a-a0d8-4d67-7621-08de85b24069 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|1800799024|7416014|376014|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(82310400026)(1800799024)(7416014)(376014)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Ctp6kdyNEJ9/i7VjhQmf2/JOcHPoOLFmA0WSfytpoGvki3buwPfmJQE/TCWxIATHoPn4skrCdMSxrTDCDc8h6TNU0+S51lFcypxTTo644b3wmmN6ppZXC+gXkhKmNPoaJzewqp3YJNxgSua4g2pruK6eIUltW91rvZx04idpVMlsV4wSEAL08fbfZQDK6o9fhiajl0pPD55aahDh6U8X6F0IS7E5v40gvFNotqSMJ4zde6ibrOjVyMyQpqOCzz5mhT4rRl6ZgBCTwnxeVBKGl0WtFU+GT5T1rjS+Ak6v/OfMLkAK8z6mIZ10wlrPqrDxCPIJQoyQLF3B30ajwOzgUYQbfljwTJKR1UvF1IeVXzolXH6jQEYfn67JgIDUlpBvo+rrGO4c5fv7655v8UB1vy13/Ve2Oh9JNTh84uaZRPjFMGbNb5thpAdc/bUOB/DB X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2026 12:22:56.3090 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 94fc481a-a0d8-4d67-7621-08de85b24069 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002636C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN6PR12MB8566 Content-Type: text/plain; charset="utf-8" From: Parav Pandit iseg_base and base_addr both point to BAR0, making iseg_base redundant. Remove iseg_base and rely on base_addr instead, reducing the size of struct mlx5_core_dev. Signed-off-by: Parav Pandit Reviewed-by: Shay Drori Signed-off-by: Tariq Toukan Reviewed-by: Joe Damato --- drivers/infiniband/hw/mlx5/main.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/main.c | 3 +-- drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c | 3 +-- include/linux/mlx5/driver.h | 1 - 4 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5= /main.c index 9fb0629978bd..5b8987ddaa8e 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2740,7 +2740,7 @@ static int mlx5_ib_mmap(struct ib_ucontext *ibcontext= , struct vm_area_struct *vm if (PAGE_SIZE > 4096) return -EOPNOTSUPP; =20 - pfn =3D (dev->mdev->iseg_base + + pfn =3D (dev->mdev->bar_addr + offsetof(struct mlx5_init_seg, internal_timer_h)) >> PAGE_SHIFT; return rdma_user_mmap_io(&context->ibucontext, vma, pfn, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/e= thernet/mellanox/mlx5/core/main.c index b0bc4a7d4a93..661b211eeb95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -950,8 +950,7 @@ static int mlx5_pci_init(struct mlx5_core_dev *dev, str= uct pci_dev *pdev, pci_enable_atomic_ops_to_root(pdev, PCI_EXP_DEVCAP2_ATOMIC_COMP128)) mlx5_core_dbg(dev, "Enabling pci atomics failed\n"); =20 - dev->iseg_base =3D dev->bar_addr; - dev->iseg =3D ioremap(dev->iseg_base, sizeof(*dev->iseg)); + dev->iseg =3D ioremap(dev->bar_addr, sizeof(*dev->iseg)); if (!dev->iseg) { err =3D -ENOMEM; mlx5_core_err(dev, "Failed mapping initialization segment, aborting\n"); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/driv= ers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c index c45540fe7d9d..4391ef0bab5d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c @@ -37,7 +37,6 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *ade= v, const struct auxilia mdev->device =3D &adev->dev; mdev->pdev =3D sf_dev->parent_mdev->pdev; mdev->bar_addr =3D sf_dev->bar_base_addr; - mdev->iseg_base =3D sf_dev->bar_base_addr; mdev->coredev_type =3D MLX5_COREDEV_SF; mdev->priv.parent_mdev =3D sf_dev->parent_mdev; mdev->priv.adev_idx =3D adev->id; @@ -53,7 +52,7 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *ade= v, const struct auxilia goto mdev_err; } =20 - mdev->iseg =3D ioremap(mdev->iseg_base, sizeof(*mdev->iseg)); + mdev->iseg =3D ioremap(mdev->bar_addr, sizeof(*mdev->iseg)); if (!mdev->iseg) { mlx5_core_warn(mdev, "remap error\n"); err =3D -ENOMEM; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 04dcd09f7517..b8b5af78284d 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -755,7 +755,6 @@ struct mlx5_core_dev { } caps; struct mlx5_timeouts *timeouts; u64 sys_image_guid; - phys_addr_t iseg_base; struct mlx5_init_seg __iomem *iseg; phys_addr_t bar_addr; enum mlx5_device_state state; --=20 2.44.0 From nobody Mon Apr 6 10:32:31 2026 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11012009.outbound.protection.outlook.com [52.101.43.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 27BDB3CE490; Thu, 19 Mar 2026 12:23:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Miller" , Mark Bloch , "Parav Pandit" , Simon Horman , Shay Drori , , , , Gal Pressman , Dragos Tatulea , Moshe Shemesh , Alexei Lazar , Patrisious Haddad , Leon Romanovsky Subject: [PATCH mlx5-next 2/2] net/mlx5: Add vhca_id_type bit to alias context Date: Thu, 19 Mar 2026 14:22:11 +0200 Message-ID: <20260319122211.27384-3-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260319122211.27384-1-tariqt@nvidia.com> References: <20260319122211.27384-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000FCC3:EE_|SA1PR12MB9472:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c345233-6b80-4b0f-5b8f-08de85b244bd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|7416014|376014|1800799024|22082099003|18002099003|56012099003; X-Microsoft-Antispam-Message-Info: BnKNG4TAaIFiGf9EpIKXm9vm5oTO7NtLCA0uP33aIHZkeW55knxs9DUht/NyADpFmy1Se/dK+0EbDBy45paTm4UlCxnCQ9OF6HppVp03lVFSs/nvptGn+EATsEZkFPKquAOXLuKOapwzAU4B7CTyqnQeiYXrZX3r9H4oXHm8xwJiA0/aZbzrjOPKh+Z2sRcxWiS3LcJKI33aieww47e1HkWx6nrEzEWzIiNNnZtGsN9zEEI1/ovVTF6FvLH58kiiUZV12mb9eU+PCHEb1oczLZxBZ8eagxNhJ4uHP9Yjxr2jBy+G9Qcl9LD8x/ovOsbUR343RKrHNYaJr2i6o0EdzbHi3HGXtOQKwl6t6P9tIeLrt+gV0VL/j2gM6GNWPktxWVdbhP86t8NTFj2I6uPRtNBM98XDDBzpnBcuvGj4ctKdesB1MyENYymnwF/zXbOBfFsw/237ZtjuaTsyKZM/vpID8HhOPbj81g2a+sedAGnsMdZ+Y9gt7u11hdgbC6qbwSubbJdvfFwIScPMHIHxGU6UqPCyle2c79QRWLF/WN7BhKjVxMSF51Xw6J6zvRL1qBkoj8otiw0oMQ37u9M8CknZE1npNwFfxO/X1WMbAaO+GEFGk6dWvlTil9Ww9OUgkir9mWEXrteQxYeuKyMSI5PAxlWYCV86TKGCRNlGsavQCjTeNCchf/7ErfKzFyHdZnxBt59tVhhXdYrDR0ioon99BEz3Wf5yKiJVbjefkLI+DEHnIHSTU/h12SuhWisGdYrsYbrzccIOpqC5OcRpdA== X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(82310400026)(7416014)(376014)(1800799024)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: IJ9iTUZTWQr5Kuf6TieBrEsXcQTk8O3SfKeeUSPr2bmA7FKBCDhoczsUYcCBslAuPfqv4WGiqr2HO57fVBogZdHozBv4EQyQ6NVMEogbSxdTxM1tXroVXPBChfIkVzmN7Mt+qlSaAjjkLJLbxxj4e6OlTX6F5jc0JMEmenQV/icgVvg/xOFS3+86x86uF8b9fDOB1JRlUkWgmpY9YAFCkAj12CNhEe84XHO2+GU/1RuxWYn9sf9seBUrvGLHW5XXdU08mXBHvbMmNSMqQi2wBsFLqATO6iKi1O9yXcHVIjGNPcWC42PSkVS1bLOfTZDx5zeWmw5VNPRwK/roWfAHiQluaC0ZppPoXNLXCenazqkixLECWSziZL/8DBjI4GxjD3m2uWugEU/on7GGb7PhgukutRPvFcYPSfVpIviUjO1m0XUT16Yy6xLNzi1hHxBO X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2026 12:23:03.5864 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7c345233-6b80-4b0f-5b8f-08de85b244bd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000FCC3.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB9472 Content-Type: text/plain; charset="utf-8" From: Patrisious Haddad Add vhca_id_type bit to alias context which allows indicating the vhca_id_type to be passed at vhca_id_to_be_accessed, which can be either HW or SW, note that SW_VHCA_ID must be used to allow alias to work properly after migration. Signed-off-by: Patrisious Haddad Reviewed-by: Leon Romanovsky Signed-off-by: Tariq Toukan Reviewed-by: Joe Damato --- include/linux/mlx5/mlx5_ifc.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 8fa4fb3d36cf..2400b4c38c77 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1968,7 +1968,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { =20 u8 reserved_at_360[0x3]; u8 log_max_rq[0x5]; - u8 reserved_at_368[0x3]; + u8 ft_alias_sw_vhca_id[0x1]; + u8 reserved_at_369[0x2]; u8 log_max_sq[0x5]; u8 reserved_at_370[0x3]; u8 log_max_tir[0x5]; @@ -6957,7 +6958,9 @@ struct mlx5_ifc_create_match_definer_out_bits { =20 struct mlx5_ifc_alias_context_bits { u8 vhca_id_to_be_accessed[0x10]; - u8 reserved_at_10[0xd]; + u8 reserved_at_10[0xb]; + u8 vhca_id_type[0x1]; + u8 reserved_at_1c[0x1]; u8 status[0x3]; u8 object_id_to_be_accessed[0x20]; u8 reserved_at_40[0x40]; --=20 2.44.0