From patchwork Thu Jun 11 13:35:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Or Gerlitz X-Patchwork-Id: 6588681 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BE347C0020 for ; Thu, 11 Jun 2015 13:36:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4553920357 for ; Thu, 11 Jun 2015 13:36:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B11152064F for ; Thu, 11 Jun 2015 13:36:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754444AbbFKNfx (ORCPT ); Thu, 11 Jun 2015 09:35:53 -0400 Received: from [193.47.165.129] ([193.47.165.129]:56128 "EHLO mellanox.co.il" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752660AbbFKNfw (ORCPT ); Thu, 11 Jun 2015 09:35:52 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from ogerlitz@mellanox.com) with ESMTPS (AES256-SHA encrypted); 11 Jun 2015 16:35:14 +0300 Received: from r-vnc04.mtr.labs.mlnx (r-vnc04.mtr.labs.mlnx [10.208.0.116]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id t5BDZTF7023419; Thu, 11 Jun 2015 16:35:29 +0300 From: Or Gerlitz To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Amir Vadai , Tal Alon , Matan Barak , Or Gerlitz Subject: [PATCH for-next V3 6/8] IB/core: Pass hardware specific data in query_device Date: Thu, 11 Jun 2015 16:35:25 +0300 Message-Id: <1434029727-6062-7-git-send-email-ogerlitz@mellanox.com> X-Mailer: git-send-email 1.7.8.2 In-Reply-To: <1434029727-6062-1-git-send-email-ogerlitz@mellanox.com> References: <1434029727-6062-1-git-send-email-ogerlitz@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matan Barak Vendors should be able to pass vendor specific data to/from user-space via query_device uverb. In order to do this, we need to pass the vendors' specific udata. Signed-off-by: Matan Barak Signed-off-by: Or Gerlitz --- drivers/infiniband/core/device.c | 4 +++- drivers/infiniband/core/uverbs_cmd.c | 2 +- drivers/infiniband/hw/amso1100/c2_provider.c | 7 +++++-- drivers/infiniband/hw/cxgb3/iwch_provider.c | 8 ++++++-- drivers/infiniband/hw/cxgb4/provider.c | 8 ++++++-- drivers/infiniband/hw/ehca/ehca_hca.c | 6 +++++- drivers/infiniband/hw/ehca/ehca_iverbs.h | 3 ++- drivers/infiniband/hw/ipath/ipath_verbs.c | 7 +++++-- drivers/infiniband/hw/mlx4/main.c | 6 +++++- drivers/infiniband/hw/mlx5/main.c | 9 +++++++-- drivers/infiniband/hw/mthca/mthca_provider.c | 7 +++++-- drivers/infiniband/hw/nes/nes_verbs.c | 6 +++++- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 6 +++++- drivers/infiniband/hw/ocrdma/ocrdma_verbs.h | 3 ++- drivers/infiniband/hw/qib/qib_verbs.c | 6 ++++-- drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 6 +++++- drivers/infiniband/hw/usnic/usnic_ib_verbs.h | 3 ++- include/rdma/ib_verbs.h | 3 ++- 18 files changed, 75 insertions(+), 25 deletions(-) diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 568cb41..694bd66 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -539,9 +539,11 @@ EXPORT_SYMBOL(ib_dispatch_event); int ib_query_device(struct ib_device *device, struct ib_device_attr *device_attr) { + struct ib_udata uhw = {.outlen = 0, .inlen = 0}; + memset(device_attr, 0, sizeof(*device_attr)); - return device->query_device(device, device_attr); + return device->query_device(device, device_attr, &uhw); } EXPORT_SYMBOL(ib_query_device); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 11ee298..bbb02ff 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3428,7 +3428,7 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, memset(&attr, 0, sizeof(attr)); - err = device->query_device(device, &attr); + err = device->query_device(device, &attr, uhw); if (err) return err; diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c index a43e022..382f109 100644 --- a/drivers/infiniband/hw/amso1100/c2_provider.c +++ b/drivers/infiniband/hw/amso1100/c2_provider.c @@ -63,13 +63,16 @@ #include "c2_provider.h" #include "c2_user.h" -static int c2_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int c2_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct c2_dev *c2dev = to_c2dev(ibdev); pr_debug("%s:%u\n", __func__, __LINE__); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + *props = c2dev->props; return 0; } diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 2eaf7e8..c4b5936 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1150,13 +1150,17 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev) (fw_mic & 0xffff); } -static int iwch_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int iwch_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct iwch_dev *dev; + PDBG("%s ibdev %p\n", __func__, ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + dev = to_iwch_dev(ibdev); memset(props, 0, sizeof *props); memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6); diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index ef08a9f..05a96a5 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -301,13 +301,17 @@ static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, return 0; } -static int c4iw_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct c4iw_dev *dev; + PDBG("%s ibdev %p\n", __func__, ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + dev = to_c4iw_dev(ibdev); memset(props, 0, sizeof *props); memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c index 9ed4d25..e8b1bb6 100644 --- a/drivers/infiniband/hw/ehca/ehca_hca.c +++ b/drivers/infiniband/hw/ehca/ehca_hca.c @@ -50,7 +50,8 @@ static unsigned int limit_uint(unsigned int value) return min_t(unsigned int, value, INT_MAX); } -int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { int i, ret = 0; struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, @@ -71,6 +72,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT, }; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!rblock) { ehca_err(&shca->ib_device, "Can't allocate rblock memory."); diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index 952f2fb..192eef1 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -44,7 +44,8 @@ #include "ehca_classes.h" -int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props); +int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw); int ehca_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 764081d..78af73c 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1495,11 +1495,14 @@ bail: return 0; } -static int ipath_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int ipath_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct ipath_ibdev *dev = to_idev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(props, 0, sizeof(*props)); props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR | diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index fd590d4..61febb8 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -132,7 +132,8 @@ static int num_ib_ports(struct mlx4_dev *dev) } static int mlx4_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx4_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -140,6 +141,9 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, int err = -ENOMEM; int have_ib_ports; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 06b0238..5803859 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -63,7 +63,8 @@ static char mlx5_version[] = DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; static int mlx5_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct mlx5_ib_dev *dev = to_mdev(ibdev); struct ib_smp *in_mad = NULL; @@ -74,6 +75,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, int max_sq_sg; u64 flags; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + gen = &dev->mdev->caps.gen; in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); @@ -910,6 +914,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) struct mlx5_general_caps *gen; int err = -ENOMEM; int port; + struct ib_udata uhw = {.inlen = 0, .outlen = 0}; gen = &dev->mdev->caps.gen; pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); @@ -920,7 +925,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev) if (!dprops) goto out; - err = mlx5_ib_query_device(&dev->ib_dev, dprops); + err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); if (err) { mlx5_ib_warn(dev, "query_device failed %d\n", err); goto out; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index f1b04bd..d6d7c16 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -57,14 +57,17 @@ static void init_query_mad(struct ib_smp *mad) mad->method = IB_MGMT_METHOD_GET; } -static int mthca_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct ib_smp *in_mad = NULL; struct ib_smp *out_mad = NULL; int err = -ENOMEM; struct mthca_dev *mdev = to_mdev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); if (!in_mad || !out_mad) diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index a9d62c5..0c2fb7a 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -512,12 +512,16 @@ static void nes_free_fast_reg_page_list(struct ib_fast_reg_page_list *pifrpl) /** * nes_query_device */ -static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props) +static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct nes_vnic *nesvnic = to_nesvnic(ibdev); struct nes_device *nesdev = nesvnic->nesdev; struct nes_ib_device *nesibdev = nesvnic->nesibdev; + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(props, 0, sizeof(*props)); memcpy(&props->sys_image_guid, nesvnic->netdev->dev_addr, 6); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index f441df6..fce11ec 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -61,10 +61,14 @@ int ocrdma_query_gid(struct ib_device *ibdev, u8 port, return 0; } -int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) +int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr, + struct ib_udata *uhw) { struct ocrdma_dev *dev = get_ocrdma_dev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + memset(attr, 0, sizeof *attr); memcpy(&attr->fw_ver, &dev->attr.fw_ver[0], min(sizeof(dev->attr.fw_ver), sizeof(attr->fw_ver))); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index e853195..b15c608 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -36,7 +36,8 @@ int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *, int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc); int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags); -int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props); +int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props, + struct ib_udata *uhw); int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props); int ocrdma_modify_port(struct ib_device *, u8 port, int mask, struct ib_port_modify *props); diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index dba1c92..e1dad45 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1550,12 +1550,14 @@ full: } } -static int qib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) +static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, + struct ib_udata *uhw) { struct qib_devdata *dd = dd_from_ibdev(ibdev); struct qib_ibdev *dev = to_idev(ibdev); + if (uhw->inlen || uhw->outlen) + return -EINVAL; memset(props, 0, sizeof(*props)); props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR | diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 2b3f7e3..7df4382 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -248,7 +248,8 @@ enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device, } int usnic_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props) + struct ib_device_attr *props, + struct ib_udata *uhw) { struct usnic_ib_dev *us_ibdev = to_usdev(ibdev); union ib_gid gid; @@ -257,6 +258,9 @@ int usnic_ib_query_device(struct ib_device *ibdev, int qp_per_vf; usnic_dbg("\n"); + if (uhw->inlen || uhw->outlen) + return -EINVAL; + mutex_lock(&us_ibdev->usdev_lock); us_ibdev->netdev->ethtool_ops->get_drvinfo(us_ibdev->netdev, &info); us_ibdev->netdev->ethtool_ops->get_settings(us_ibdev->netdev, &cmd); diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h index 2ab8427..0bd04ef 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.h +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.h @@ -24,7 +24,8 @@ enum rdma_link_layer usnic_ib_port_link_layer(struct ib_device *device, u8 port_num); int usnic_ib_query_device(struct ib_device *ibdev, - struct ib_device_attr *props); + struct ib_device_attr *props, + struct ib_udata *uhw); int usnic_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props); enum rdma_protocol_type diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 96142b5..dd6770f 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1562,7 +1562,8 @@ struct ib_device { int (*get_protocol_stats)(struct ib_device *device, union rdma_protocol_stats *stats); int (*query_device)(struct ib_device *device, - struct ib_device_attr *device_attr); + struct ib_device_attr *device_attr, + struct ib_udata *udata); int (*query_port)(struct ib_device *device, u8 port_num, struct ib_port_attr *port_attr);