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Thu, 22 Aug 2019 05:05:10 +0000 From: Haiyang Zhang To: "sashal@kernel.org" , "davem@davemloft.net" , "saeedm@mellanox.com" , "leon@kernel.org" , "eranbe@mellanox.com" , "lorenzo.pieralisi@arm.com" , "bhelgaas@google.com" , "linux-pci@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "netdev@vger.kernel.org" CC: Haiyang Zhang , KY Srinivasan , Stephen Hemminger , "linux-kernel@vger.kernel.org" Subject: [PATCH net-next,v4, 0/6] Add software backchannel and mlx5e HV VHCA stats Thread-Topic: [PATCH net-next,v4, 0/6] Add software backchannel and mlx5e HV VHCA stats Thread-Index: AQHVWKcsgqAQEbW8Yk2+H637twGJJA== Date: Thu, 22 Aug 2019 05:05:10 +0000 Message-ID: <1566450236-36757-1-git-send-email-haiyangz@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MWHPR14CA0039.namprd14.prod.outlook.com (2603:10b6:300:12b::25) To MN2PR21MB1248.namprd21.prod.outlook.com (2603:10b6:208:3b::33) authentication-results: spf=none (sender IP is ) smtp.mailfrom=lkmlhyz@microsoft.com; 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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: diwGDaA3iswgRt0yHuT/wQMxobfqobwagq+czpaTyI+l4KRWFUWZFTPBWceBiEY/kxK3j3LNSaN0lJmA2fyhs5XOtz1Pg9dUbYVKJXhnjkNurcT6z0jYqb51R8W14fs9NdjR+qK2Rbw7kgOdeVJJKz6e6vwZvvh1ZEpbM1P/TeS328lFnt+Ambtd3TmYogV8fghgjzPqy027VAyhWoArKXfml7H5mLutqqLu2jo1ynp9ZekUk2GQe5LMeAYtwOZ06VPeMS2QYBSSKdegyV/YzwDcyLpJEAluCy+LpNgro9G9P+hA10fFJgSbHtLWta0jeDQlizKK7bh61jSxV9BcCtASv5MDtPnIV7kjU2IkjYHskU5v57dskFrlb+YS23NgQkRrZej/17xR/KWuAELKDQf/0ewYCI0+LGmtlU4OHWs= MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: eebbeca8-2afb-4ac5-79c5-08d726be4e97 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Aug 2019 05:05:10.6272 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: iQYNmiIharqE+Flj95Dhq7A/zObRduURA67TNQ+yBbA4o98lXdNhud2vvHil1q/e3UByXHHY6Qld6DPPPmGxrw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR21MB1247 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This patch set adds paravirtual backchannel in software in pci_hyperv, which is required by the mlx5e driver HV VHCA stats agent. The stats agent is responsible on running a periodic rx/tx packets/bytes stats update. Dexuan Cui (1): PCI: hv: Add a paravirtual backchannel in software Eran Ben Elisha (4): net/mlx5: Add wrappers for HyperV PCIe operations net/mlx5: Add HV VHCA infrastructure net/mlx5: Add HV VHCA control agent net/mlx5e: Add mlx5e HV VHCA stats agent Haiyang Zhang (1): PCI: hv: Add a Hyper-V PCI interface driver for software backchannel interface MAINTAINERS | 1 + drivers/net/ethernet/mellanox/mlx5/core/Makefile | 2 + drivers/net/ethernet/mellanox/mlx5/core/en.h | 13 + .../ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c | 162 +++++++++ .../ethernet/mellanox/mlx5/core/en/hv_vhca_stats.h | 25 ++ drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 + drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c | 64 ++++ drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h | 22 ++ .../net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c | 371 +++++++++++++++++++++ .../net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h | 104 ++++++ drivers/net/ethernet/mellanox/mlx5/core/main.c | 7 + drivers/pci/Kconfig | 1 + drivers/pci/controller/Kconfig | 7 + drivers/pci/controller/Makefile | 1 + drivers/pci/controller/pci-hyperv-intf.c | 67 ++++ drivers/pci/controller/pci-hyperv.c | 308 +++++++++++++++++ include/linux/hyperv.h | 29 ++ include/linux/mlx5/driver.h | 2 + 18 files changed, 1189 insertions(+) create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.h create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/hv.c create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/hv.h create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.c create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h create mode 100644 drivers/pci/controller/pci-hyperv-intf.c