112515907SHans Petter Selasky /*- 212515907SHans Petter Selasky * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. 312515907SHans Petter Selasky * 412515907SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 512515907SHans Petter Selasky * modification, are permitted provided that the following conditions 612515907SHans Petter Selasky * are met: 712515907SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 812515907SHans Petter Selasky * notice, this list of conditions and the following disclaimer. 912515907SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 1012515907SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 1112515907SHans Petter Selasky * documentation and/or other materials provided with the distribution. 1212515907SHans Petter Selasky * 1312515907SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 1412515907SHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1512515907SHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1612515907SHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 1712515907SHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1812515907SHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 1912515907SHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2012515907SHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2112515907SHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2212515907SHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2312515907SHans Petter Selasky * SUCH DAMAGE. 2412515907SHans Petter Selasky * 2512515907SHans Petter Selasky * $FreeBSD$ 2612515907SHans Petter Selasky */ 2712515907SHans Petter Selasky 288e6e287fSHans Petter Selasky #include <linux/module.h> 2912515907SHans Petter Selasky #include <linux/errno.h> 3012515907SHans Petter Selasky #include <linux/pci.h> 3112515907SHans Petter Selasky #include <linux/dma-mapping.h> 3212515907SHans Petter Selasky #include <linux/slab.h> 338e6e287fSHans Petter Selasky #if defined(CONFIG_X86) 348e6e287fSHans Petter Selasky #include <asm/pat.h> 358e6e287fSHans Petter Selasky #endif 3612515907SHans Petter Selasky #include <linux/sched.h> 378e6e287fSHans Petter Selasky #include <linux/delay.h> 3812515907SHans Petter Selasky #include <linux/fs.h> 3912515907SHans Petter Selasky #undef inode 4012515907SHans Petter Selasky #include <rdma/ib_user_verbs.h> 418e6e287fSHans Petter Selasky #include <rdma/ib_addr.h> 428e6e287fSHans Petter Selasky #include <rdma/ib_cache.h> 43d9142151SHans Petter Selasky #include <dev/mlx5/port.h> 448e6e287fSHans Petter Selasky #include <dev/mlx5/vport.h> 458e6e287fSHans Petter Selasky #include <linux/list.h> 4612515907SHans Petter Selasky #include <rdma/ib_smi.h> 4712515907SHans Petter Selasky #include <rdma/ib_umem.h> 488e6e287fSHans Petter Selasky #include <linux/in.h> 498e6e287fSHans Petter Selasky #include <linux/etherdevice.h> 508e6e287fSHans Petter Selasky #include <dev/mlx5/fs.h> 5112515907SHans Petter Selasky #include "mlx5_ib.h" 5212515907SHans Petter Selasky 5331c3f648SSlava Shwartsman #define DRIVER_NAME "mlx5ib" 5418450a3bSHans Petter Selasky #ifndef DRIVER_VERSION 550f3b263dSSlava Shwartsman #define DRIVER_VERSION "3.5.0" 5618450a3bSHans Petter Selasky #endif 570f3b263dSSlava Shwartsman #define DRIVER_RELDATE "November 2018" 5812515907SHans Petter Selasky 5912515907SHans Petter Selasky MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); 6012515907SHans Petter Selasky MODULE_LICENSE("Dual BSD/GPL"); 6112515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, linuxkpi, 1, 1, 1); 6212515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, mlx5, 1, 1, 1); 6312515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, ibcore, 1, 1, 1); 6412515907SHans Petter Selasky MODULE_VERSION(mlx5ib, 1); 6512515907SHans Petter Selasky 6618450a3bSHans Petter Selasky static const char mlx5_version[] = 6718450a3bSHans Petter Selasky DRIVER_NAME ": Mellanox Connect-IB Infiniband driver " 6812515907SHans Petter Selasky DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; 6912515907SHans Petter Selasky 708e6e287fSHans Petter Selasky enum { 718e6e287fSHans Petter Selasky MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, 728e6e287fSHans Petter Selasky }; 7312515907SHans Petter Selasky 7412515907SHans Petter Selasky static enum rdma_link_layer 758e6e287fSHans Petter Selasky mlx5_port_type_cap_to_rdma_ll(int port_type_cap) 7612515907SHans Petter Selasky { 778e6e287fSHans Petter Selasky switch (port_type_cap) { 7812515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_IB: 7912515907SHans Petter Selasky return IB_LINK_LAYER_INFINIBAND; 8012515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_ETH: 8112515907SHans Petter Selasky return IB_LINK_LAYER_ETHERNET; 8212515907SHans Petter Selasky default: 8312515907SHans Petter Selasky return IB_LINK_LAYER_UNSPECIFIED; 8412515907SHans Petter Selasky } 8512515907SHans Petter Selasky } 8612515907SHans Petter Selasky 878e6e287fSHans Petter Selasky static enum rdma_link_layer 888e6e287fSHans Petter Selasky mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) 898e6e287fSHans Petter Selasky { 908e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 918e6e287fSHans Petter Selasky int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); 928e6e287fSHans Petter Selasky 938e6e287fSHans Petter Selasky return mlx5_port_type_cap_to_rdma_ll(port_type_cap); 948e6e287fSHans Petter Selasky } 958e6e287fSHans Petter Selasky 968e6e287fSHans Petter Selasky static bool mlx5_netdev_match(struct net_device *ndev, 978e6e287fSHans Petter Selasky struct mlx5_core_dev *mdev, 988e6e287fSHans Petter Selasky const char *dname) 998e6e287fSHans Petter Selasky { 1008e6e287fSHans Petter Selasky return ndev->if_type == IFT_ETHER && 1018e6e287fSHans Petter Selasky ndev->if_dname != NULL && 1028e6e287fSHans Petter Selasky strcmp(ndev->if_dname, dname) == 0 && 1038e6e287fSHans Petter Selasky ndev->if_softc != NULL && 1048e6e287fSHans Petter Selasky *(struct mlx5_core_dev **)ndev->if_softc == mdev; 1058e6e287fSHans Petter Selasky } 1068e6e287fSHans Petter Selasky 1078e6e287fSHans Petter Selasky static int mlx5_netdev_event(struct notifier_block *this, 1088e6e287fSHans Petter Selasky unsigned long event, void *ptr) 1098e6e287fSHans Petter Selasky { 1108e6e287fSHans Petter Selasky struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 1118e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = container_of(this, struct mlx5_ib_dev, 1128e6e287fSHans Petter Selasky roce.nb); 1138e6e287fSHans Petter Selasky 1148e6e287fSHans Petter Selasky switch (event) { 1158e6e287fSHans Petter Selasky case NETDEV_REGISTER: 1168e6e287fSHans Petter Selasky case NETDEV_UNREGISTER: 1178e6e287fSHans Petter Selasky write_lock(&ibdev->roce.netdev_lock); 1188e6e287fSHans Petter Selasky /* check if network interface belongs to mlx5en */ 1198e6e287fSHans Petter Selasky if (mlx5_netdev_match(ndev, ibdev->mdev, "mce")) 1208e6e287fSHans Petter Selasky ibdev->roce.netdev = (event == NETDEV_UNREGISTER) ? 1218e6e287fSHans Petter Selasky NULL : ndev; 1228e6e287fSHans Petter Selasky write_unlock(&ibdev->roce.netdev_lock); 1238e6e287fSHans Petter Selasky break; 1248e6e287fSHans Petter Selasky 1258e6e287fSHans Petter Selasky case NETDEV_UP: 1268e6e287fSHans Petter Selasky case NETDEV_DOWN: { 1278e6e287fSHans Petter Selasky struct net_device *upper = NULL; 1288e6e287fSHans Petter Selasky 1298e6e287fSHans Petter Selasky if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) 1308e6e287fSHans Petter Selasky && ibdev->ib_active) { 1318e6e287fSHans Petter Selasky struct ib_event ibev = {0}; 1328e6e287fSHans Petter Selasky 1338e6e287fSHans Petter Selasky ibev.device = &ibdev->ib_dev; 1348e6e287fSHans Petter Selasky ibev.event = (event == NETDEV_UP) ? 1358e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 1368e6e287fSHans Petter Selasky ibev.element.port_num = 1; 1378e6e287fSHans Petter Selasky ib_dispatch_event(&ibev); 1388e6e287fSHans Petter Selasky } 1398e6e287fSHans Petter Selasky break; 1408e6e287fSHans Petter Selasky } 1418e6e287fSHans Petter Selasky 1428e6e287fSHans Petter Selasky default: 1438e6e287fSHans Petter Selasky break; 1448e6e287fSHans Petter Selasky } 1458e6e287fSHans Petter Selasky 1468e6e287fSHans Petter Selasky return NOTIFY_DONE; 1478e6e287fSHans Petter Selasky } 1488e6e287fSHans Petter Selasky 1498e6e287fSHans Petter Selasky static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, 1508e6e287fSHans Petter Selasky u8 port_num) 1518e6e287fSHans Petter Selasky { 1528e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = to_mdev(device); 1538e6e287fSHans Petter Selasky struct net_device *ndev; 1548e6e287fSHans Petter Selasky 1558e6e287fSHans Petter Selasky /* Ensure ndev does not disappear before we invoke dev_hold() 1568e6e287fSHans Petter Selasky */ 1578e6e287fSHans Petter Selasky read_lock(&ibdev->roce.netdev_lock); 1588e6e287fSHans Petter Selasky ndev = ibdev->roce.netdev; 1598e6e287fSHans Petter Selasky if (ndev) 1608e6e287fSHans Petter Selasky dev_hold(ndev); 1618e6e287fSHans Petter Selasky read_unlock(&ibdev->roce.netdev_lock); 1628e6e287fSHans Petter Selasky 1638e6e287fSHans Petter Selasky return ndev; 1648e6e287fSHans Petter Selasky } 1658e6e287fSHans Petter Selasky 166d9142151SHans Petter Selasky static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, 167d9142151SHans Petter Selasky u8 *active_width) 168d9142151SHans Petter Selasky { 169d9142151SHans Petter Selasky switch (eth_proto_oper) { 170d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): 171d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): 172d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100BASE_TX): 173d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_T): 174d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 175d9142151SHans Petter Selasky *active_speed = IB_SPEED_SDR; 176d9142151SHans Petter Selasky break; 177d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_T): 178d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): 179d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): 180d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): 181d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): 182d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): 183ac87880aSHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_ER_LR): 184d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 185d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 186d9142151SHans Petter Selasky break; 187d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): 188d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): 189d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): 190d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 191d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 192d9142151SHans Petter Selasky break; 193d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): 194d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): 195d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): 196ac87880aSHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4_ER4): 197d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 198d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 199d9142151SHans Petter Selasky break; 200d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): 201d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): 202d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): 203d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 204d9142151SHans Petter Selasky *active_speed = IB_SPEED_HDR; 205d9142151SHans Petter Selasky break; 206d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): 207d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 208d9142151SHans Petter Selasky *active_speed = IB_SPEED_FDR; 209d9142151SHans Petter Selasky break; 210d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): 211d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): 212d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): 213d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): 214d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 215d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 216d9142151SHans Petter Selasky break; 217d9142151SHans Petter Selasky default: 21867db6873SSlava Shwartsman *active_width = IB_WIDTH_4X; 21967db6873SSlava Shwartsman *active_speed = IB_SPEED_QDR; 220d9142151SHans Petter Selasky return -EINVAL; 221d9142151SHans Petter Selasky } 222d9142151SHans Petter Selasky 223d9142151SHans Petter Selasky return 0; 224d9142151SHans Petter Selasky } 225d9142151SHans Petter Selasky 22686a39779SHans Petter Selasky static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u8 *active_speed, 22786a39779SHans Petter Selasky u8 *active_width) 22886a39779SHans Petter Selasky { 22986a39779SHans Petter Selasky switch (eth_proto_oper) { 23086a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_SGMII_100M): 23186a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_X_SGMII): 23286a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 23386a39779SHans Petter Selasky *active_speed = IB_SPEED_SDR; 23486a39779SHans Petter Selasky break; 23586a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_5GBASE_R): 23686a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 23786a39779SHans Petter Selasky *active_speed = IB_SPEED_DDR; 23886a39779SHans Petter Selasky break; 23986a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_XFI_XAUI_1): 24086a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 24186a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 24286a39779SHans Petter Selasky break; 24386a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_XLAUI_4_XLPPI_4): 24486a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 24586a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 24686a39779SHans Petter Selasky break; 24786a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GAUI_1_25GBASE_CR_KR): 24886a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 24986a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 25086a39779SHans Petter Selasky break; 25186a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2): 25286a39779SHans Petter Selasky *active_width = IB_WIDTH_2X; 25386a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 25486a39779SHans Petter Selasky break; 25586a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR): 25686a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 25786a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 25886a39779SHans Petter Selasky break; 25986a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4): 26086a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 26186a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 26286a39779SHans Petter Selasky break; 26386a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2): 26486a39779SHans Petter Selasky *active_width = IB_WIDTH_2X; 26586a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 26686a39779SHans Petter Selasky break; 26786a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4): 26886a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 26986a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 27086a39779SHans Petter Selasky break; 27186a39779SHans Petter Selasky default: 27286a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 27386a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 27486a39779SHans Petter Selasky return -EINVAL; 27586a39779SHans Petter Selasky } 27686a39779SHans Petter Selasky 27786a39779SHans Petter Selasky return 0; 27886a39779SHans Petter Selasky } 27986a39779SHans Petter Selasky 2808e6e287fSHans Petter Selasky static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, 2818e6e287fSHans Petter Selasky struct ib_port_attr *props) 2828e6e287fSHans Petter Selasky { 2838e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 28486a39779SHans Petter Selasky u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {}; 2858e6e287fSHans Petter Selasky struct net_device *ndev; 2868e6e287fSHans Petter Selasky enum ib_mtu ndev_ib_mtu; 2878e6e287fSHans Petter Selasky u16 qkey_viol_cntr; 288d9142151SHans Petter Selasky u32 eth_prot_oper; 28986a39779SHans Petter Selasky bool ext; 290d9142151SHans Petter Selasky int err; 2918e6e287fSHans Petter Selasky 2928e6e287fSHans Petter Selasky memset(props, 0, sizeof(*props)); 2938e6e287fSHans Petter Selasky 294d9142151SHans Petter Selasky /* Possible bad flows are checked before filling out props so in case 295d9142151SHans Petter Selasky * of an error it will still be zeroed out. 296d9142151SHans Petter Selasky */ 29786a39779SHans Petter Selasky err = mlx5_query_port_ptys(dev->mdev, out, sizeof(out), MLX5_PTYS_EN, 29886a39779SHans Petter Selasky port_num); 299d9142151SHans Petter Selasky if (err) 300d9142151SHans Petter Selasky return err; 301d9142151SHans Petter Selasky 30286a39779SHans Petter Selasky ext = MLX5_CAP_PCAM_FEATURE(dev->mdev, ptys_extended_ethernet); 30386a39779SHans Petter Selasky eth_prot_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper); 30486a39779SHans Petter Selasky 30586a39779SHans Petter Selasky if (ext) 30686a39779SHans Petter Selasky translate_eth_ext_proto_oper(eth_prot_oper, &props->active_speed, 30786a39779SHans Petter Selasky &props->active_width); 30886a39779SHans Petter Selasky else 309d9142151SHans Petter Selasky translate_eth_proto_oper(eth_prot_oper, &props->active_speed, 310d9142151SHans Petter Selasky &props->active_width); 311d9142151SHans Petter Selasky 3128e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_CM_SUP; 3138e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; 3148e6e287fSHans Petter Selasky 3158e6e287fSHans Petter Selasky props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, 3168e6e287fSHans Petter Selasky roce_address_table_size); 3178e6e287fSHans Petter Selasky props->max_mtu = IB_MTU_4096; 3188e6e287fSHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); 3198e6e287fSHans Petter Selasky props->pkey_tbl_len = 1; 3208e6e287fSHans Petter Selasky props->state = IB_PORT_DOWN; 3218e6e287fSHans Petter Selasky props->phys_state = 3; 3228e6e287fSHans Petter Selasky 3238e6e287fSHans Petter Selasky mlx5_query_nic_vport_qkey_viol_cntr(dev->mdev, &qkey_viol_cntr); 3248e6e287fSHans Petter Selasky props->qkey_viol_cntr = qkey_viol_cntr; 3258e6e287fSHans Petter Selasky 3268e6e287fSHans Petter Selasky ndev = mlx5_ib_get_netdev(device, port_num); 3278e6e287fSHans Petter Selasky if (!ndev) 3288e6e287fSHans Petter Selasky return 0; 3298e6e287fSHans Petter Selasky 3308e6e287fSHans Petter Selasky if (netif_running(ndev) && netif_carrier_ok(ndev)) { 3318e6e287fSHans Petter Selasky props->state = IB_PORT_ACTIVE; 3328e6e287fSHans Petter Selasky props->phys_state = 5; 3338e6e287fSHans Petter Selasky } 3348e6e287fSHans Petter Selasky 3358e6e287fSHans Petter Selasky ndev_ib_mtu = iboe_get_mtu(ndev->if_mtu); 3368e6e287fSHans Petter Selasky 3378e6e287fSHans Petter Selasky dev_put(ndev); 3388e6e287fSHans Petter Selasky 3398e6e287fSHans Petter Selasky props->active_mtu = min(props->max_mtu, ndev_ib_mtu); 3408e6e287fSHans Petter Selasky return 0; 3418e6e287fSHans Petter Selasky } 3428e6e287fSHans Petter Selasky 3438e6e287fSHans Petter Selasky static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid, 3448e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 3458e6e287fSHans Petter Selasky void *mlx5_addr) 3468e6e287fSHans Petter Selasky { 3478e6e287fSHans Petter Selasky #define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v) 3488e6e287fSHans Petter Selasky char *mlx5_addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 3498e6e287fSHans Petter Selasky source_l3_address); 3508e6e287fSHans Petter Selasky void *mlx5_addr_mac = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 3518e6e287fSHans Petter Selasky source_mac_47_32); 352f4546fa3SHans Petter Selasky u16 vlan_id; 3538e6e287fSHans Petter Selasky 3548e6e287fSHans Petter Selasky if (!gid) 3558e6e287fSHans Petter Selasky return; 3568e6e287fSHans Petter Selasky ether_addr_copy(mlx5_addr_mac, IF_LLADDR(attr->ndev)); 3578e6e287fSHans Petter Selasky 358f4546fa3SHans Petter Selasky vlan_id = rdma_vlan_dev_vlan_id(attr->ndev); 359f4546fa3SHans Petter Selasky if (vlan_id != 0xffff) { 3608e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_valid, 1); 361f4546fa3SHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_id, vlan_id); 3628e6e287fSHans Petter Selasky } 3638e6e287fSHans Petter Selasky 3648e6e287fSHans Petter Selasky switch (attr->gid_type) { 3658e6e287fSHans Petter Selasky case IB_GID_TYPE_IB: 3668e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_1); 3678e6e287fSHans Petter Selasky break; 3688e6e287fSHans Petter Selasky case IB_GID_TYPE_ROCE_UDP_ENCAP: 3698e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_2); 3708e6e287fSHans Petter Selasky break; 3718e6e287fSHans Petter Selasky 3728e6e287fSHans Petter Selasky default: 3738e6e287fSHans Petter Selasky WARN_ON(true); 3748e6e287fSHans Petter Selasky } 3758e6e287fSHans Petter Selasky 3768e6e287fSHans Petter Selasky if (attr->gid_type != IB_GID_TYPE_IB) { 3778e6e287fSHans Petter Selasky if (ipv6_addr_v4mapped((void *)gid)) 3788e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3798e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV4); 3808e6e287fSHans Petter Selasky else 3818e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3828e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV6); 3838e6e287fSHans Petter Selasky } 3848e6e287fSHans Petter Selasky 3858e6e287fSHans Petter Selasky if ((attr->gid_type == IB_GID_TYPE_IB) || 3868e6e287fSHans Petter Selasky !ipv6_addr_v4mapped((void *)gid)) 3878e6e287fSHans Petter Selasky memcpy(mlx5_addr_l3_addr, gid, sizeof(*gid)); 3888e6e287fSHans Petter Selasky else 3898e6e287fSHans Petter Selasky memcpy(&mlx5_addr_l3_addr[12], &gid->raw[12], 4); 3908e6e287fSHans Petter Selasky } 3918e6e287fSHans Petter Selasky 3928e6e287fSHans Petter Selasky static int set_roce_addr(struct ib_device *device, u8 port_num, 3938e6e287fSHans Petter Selasky unsigned int index, 3948e6e287fSHans Petter Selasky const union ib_gid *gid, 3958e6e287fSHans Petter Selasky const struct ib_gid_attr *attr) 3968e6e287fSHans Petter Selasky { 3978e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 3988e6e287fSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0}; 3998e6e287fSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0}; 4008e6e287fSHans Petter Selasky void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address); 4018e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(device, port_num); 4028e6e287fSHans Petter Selasky 4038e6e287fSHans Petter Selasky if (ll != IB_LINK_LAYER_ETHERNET) 4048e6e287fSHans Petter Selasky return -EINVAL; 4058e6e287fSHans Petter Selasky 4068e6e287fSHans Petter Selasky ib_gid_to_mlx5_roce_addr(gid, attr, in_addr); 4078e6e287fSHans Petter Selasky 4088e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, roce_address_index, index); 4098e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS); 4108e6e287fSHans Petter Selasky return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); 4118e6e287fSHans Petter Selasky } 4128e6e287fSHans Petter Selasky 4138e6e287fSHans Petter Selasky static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, 4148e6e287fSHans Petter Selasky unsigned int index, const union ib_gid *gid, 4158e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 4168e6e287fSHans Petter Selasky __always_unused void **context) 4178e6e287fSHans Petter Selasky { 4188e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, gid, attr); 4198e6e287fSHans Petter Selasky } 4208e6e287fSHans Petter Selasky 4218e6e287fSHans Petter Selasky static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, 4228e6e287fSHans Petter Selasky unsigned int index, __always_unused void **context) 4238e6e287fSHans Petter Selasky { 4248e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, NULL, NULL); 4258e6e287fSHans Petter Selasky } 4268e6e287fSHans Petter Selasky 4278e6e287fSHans Petter Selasky __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, 4288e6e287fSHans Petter Selasky int index) 4298e6e287fSHans Petter Selasky { 4308e6e287fSHans Petter Selasky struct ib_gid_attr attr; 4318e6e287fSHans Petter Selasky union ib_gid gid; 4328e6e287fSHans Petter Selasky 4338e6e287fSHans Petter Selasky if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) 4348e6e287fSHans Petter Selasky return 0; 4358e6e287fSHans Petter Selasky 4368e6e287fSHans Petter Selasky if (!attr.ndev) 4378e6e287fSHans Petter Selasky return 0; 4388e6e287fSHans Petter Selasky 4398e6e287fSHans Petter Selasky dev_put(attr.ndev); 4408e6e287fSHans Petter Selasky 4418e6e287fSHans Petter Selasky if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) 4428e6e287fSHans Petter Selasky return 0; 4438e6e287fSHans Petter Selasky 4448e6e287fSHans Petter Selasky return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); 4458e6e287fSHans Petter Selasky } 4468e6e287fSHans Petter Selasky 447ed0cee0bSHans Petter Selasky int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num, 448ed0cee0bSHans Petter Selasky int index, enum ib_gid_type *gid_type) 449ed0cee0bSHans Petter Selasky { 450ed0cee0bSHans Petter Selasky struct ib_gid_attr attr; 451ed0cee0bSHans Petter Selasky union ib_gid gid; 452ed0cee0bSHans Petter Selasky int ret; 453ed0cee0bSHans Petter Selasky 454ed0cee0bSHans Petter Selasky ret = ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr); 455ed0cee0bSHans Petter Selasky if (ret) 456ed0cee0bSHans Petter Selasky return ret; 457ed0cee0bSHans Petter Selasky 458ed0cee0bSHans Petter Selasky if (!attr.ndev) 459ed0cee0bSHans Petter Selasky return -ENODEV; 460ed0cee0bSHans Petter Selasky 461ed0cee0bSHans Petter Selasky dev_put(attr.ndev); 462ed0cee0bSHans Petter Selasky 463ed0cee0bSHans Petter Selasky *gid_type = attr.gid_type; 464ed0cee0bSHans Petter Selasky 465ed0cee0bSHans Petter Selasky return 0; 466ed0cee0bSHans Petter Selasky } 467ed0cee0bSHans Petter Selasky 46812515907SHans Petter Selasky static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) 46912515907SHans Petter Selasky { 4708e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) 4718e6e287fSHans Petter Selasky return !MLX5_CAP_GEN(dev->mdev, ib_virt); 4728e6e287fSHans Petter Selasky return 0; 47312515907SHans Petter Selasky } 47412515907SHans Petter Selasky 47512515907SHans Petter Selasky enum { 47612515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_MAD, 47712515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_HCA, 47812515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_NIC, 47912515907SHans Petter Selasky }; 48012515907SHans Petter Selasky 48112515907SHans Petter Selasky static int mlx5_get_vport_access_method(struct ib_device *ibdev) 48212515907SHans Petter Selasky { 48312515907SHans Petter Selasky if (mlx5_use_mad_ifc(to_mdev(ibdev))) 48412515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_MAD; 48512515907SHans Petter Selasky 48612515907SHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 48712515907SHans Petter Selasky IB_LINK_LAYER_ETHERNET) 48812515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_NIC; 48912515907SHans Petter Selasky 49012515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_HCA; 49112515907SHans Petter Selasky } 49212515907SHans Petter Selasky 4938e6e287fSHans Petter Selasky static void get_atomic_caps(struct mlx5_ib_dev *dev, 4948e6e287fSHans Petter Selasky struct ib_device_attr *props) 4958e6e287fSHans Petter Selasky { 4968e6e287fSHans Petter Selasky u8 tmp; 4978e6e287fSHans Petter Selasky u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 4988e6e287fSHans Petter Selasky u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 4998e6e287fSHans Petter Selasky u8 atomic_req_8B_endianness_mode = 5008e6e287fSHans Petter Selasky MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianess_mode); 5018e6e287fSHans Petter Selasky 5028e6e287fSHans Petter Selasky /* Check if HW supports 8 bytes standard atomic operations and capable 5038e6e287fSHans Petter Selasky * of host endianness respond 5048e6e287fSHans Petter Selasky */ 5058e6e287fSHans Petter Selasky tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; 5068e6e287fSHans Petter Selasky if (((atomic_operations & tmp) == tmp) && 5078e6e287fSHans Petter Selasky (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && 5088e6e287fSHans Petter Selasky (atomic_req_8B_endianness_mode)) { 5098e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_HCA; 5108e6e287fSHans Petter Selasky } else { 5118e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_NONE; 5128e6e287fSHans Petter Selasky } 5138e6e287fSHans Petter Selasky } 5148e6e287fSHans Petter Selasky 51512515907SHans Petter Selasky static int mlx5_query_system_image_guid(struct ib_device *ibdev, 51612515907SHans Petter Selasky __be64 *sys_image_guid) 51712515907SHans Petter Selasky { 51812515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 51912515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 52012515907SHans Petter Selasky u64 tmp; 52112515907SHans Petter Selasky int err; 52212515907SHans Petter Selasky 52312515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 52412515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5258e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_system_image_guid(ibdev, 52612515907SHans Petter Selasky sys_image_guid); 52712515907SHans Petter Selasky 52812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 52912515907SHans Petter Selasky err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); 5308e6e287fSHans Petter Selasky break; 53112515907SHans Petter Selasky 53212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 53312515907SHans Petter Selasky err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); 5348e6e287fSHans Petter Selasky break; 53512515907SHans Petter Selasky 53612515907SHans Petter Selasky default: 53712515907SHans Petter Selasky return -EINVAL; 53812515907SHans Petter Selasky } 5398e6e287fSHans Petter Selasky 5408e6e287fSHans Petter Selasky if (!err) 5418e6e287fSHans Petter Selasky *sys_image_guid = cpu_to_be64(tmp); 5428e6e287fSHans Petter Selasky 5438e6e287fSHans Petter Selasky return err; 5448e6e287fSHans Petter Selasky 54512515907SHans Petter Selasky } 54612515907SHans Petter Selasky 54712515907SHans Petter Selasky static int mlx5_query_max_pkeys(struct ib_device *ibdev, 54812515907SHans Petter Selasky u16 *max_pkeys) 54912515907SHans Petter Selasky { 55012515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 55112515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 55212515907SHans Petter Selasky 55312515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 55412515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5558e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); 55612515907SHans Petter Selasky 55712515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 55812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 55912515907SHans Petter Selasky *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, 56012515907SHans Petter Selasky pkey_table_size)); 56112515907SHans Petter Selasky return 0; 56212515907SHans Petter Selasky 56312515907SHans Petter Selasky default: 56412515907SHans Petter Selasky return -EINVAL; 56512515907SHans Petter Selasky } 56612515907SHans Petter Selasky } 56712515907SHans Petter Selasky 56812515907SHans Petter Selasky static int mlx5_query_vendor_id(struct ib_device *ibdev, 56912515907SHans Petter Selasky u32 *vendor_id) 57012515907SHans Petter Selasky { 57112515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 57212515907SHans Petter Selasky 57312515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 57412515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5758e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); 57612515907SHans Petter Selasky 57712515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 57812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 57912515907SHans Petter Selasky return mlx5_core_query_vendor_id(dev->mdev, vendor_id); 58012515907SHans Petter Selasky 58112515907SHans Petter Selasky default: 58212515907SHans Petter Selasky return -EINVAL; 58312515907SHans Petter Selasky } 58412515907SHans Petter Selasky } 58512515907SHans Petter Selasky 58612515907SHans Petter Selasky static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, 58712515907SHans Petter Selasky __be64 *node_guid) 58812515907SHans Petter Selasky { 58912515907SHans Petter Selasky u64 tmp; 59012515907SHans Petter Selasky int err; 59112515907SHans Petter Selasky 59212515907SHans Petter Selasky switch (mlx5_get_vport_access_method(&dev->ib_dev)) { 59312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5948e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_guid(dev, node_guid); 59512515907SHans Petter Selasky 59612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 59712515907SHans Petter Selasky err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); 5988e6e287fSHans Petter Selasky break; 59912515907SHans Petter Selasky 60012515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 60112515907SHans Petter Selasky err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); 6028e6e287fSHans Petter Selasky break; 60312515907SHans Petter Selasky 60412515907SHans Petter Selasky default: 60512515907SHans Petter Selasky return -EINVAL; 60612515907SHans Petter Selasky } 6078e6e287fSHans Petter Selasky 6088e6e287fSHans Petter Selasky if (!err) 6098e6e287fSHans Petter Selasky *node_guid = cpu_to_be64(tmp); 6108e6e287fSHans Petter Selasky 6118e6e287fSHans Petter Selasky return err; 61212515907SHans Petter Selasky } 61312515907SHans Petter Selasky 61412515907SHans Petter Selasky struct mlx5_reg_node_desc { 6158e6e287fSHans Petter Selasky u8 desc[IB_DEVICE_NODE_DESC_MAX]; 61612515907SHans Petter Selasky }; 61712515907SHans Petter Selasky 61812515907SHans Petter Selasky static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) 61912515907SHans Petter Selasky { 62012515907SHans Petter Selasky struct mlx5_reg_node_desc in; 62112515907SHans Petter Selasky 62212515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 6238e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_desc(dev, node_desc); 62412515907SHans Petter Selasky 62512515907SHans Petter Selasky memset(&in, 0, sizeof(in)); 62612515907SHans Petter Selasky 62712515907SHans Petter Selasky return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, 62812515907SHans Petter Selasky sizeof(struct mlx5_reg_node_desc), 62912515907SHans Petter Selasky MLX5_REG_NODE_DESC, 0, 0); 63012515907SHans Petter Selasky } 63112515907SHans Petter Selasky 63212515907SHans Petter Selasky static int mlx5_ib_query_device(struct ib_device *ibdev, 6338e6e287fSHans Petter Selasky struct ib_device_attr *props, 6348e6e287fSHans Petter Selasky struct ib_udata *uhw) 63512515907SHans Petter Selasky { 63612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 63712515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 6388e6e287fSHans Petter Selasky int err = -ENOMEM; 63912515907SHans Petter Selasky int max_rq_sg; 64012515907SHans Petter Selasky int max_sq_sg; 6418e6e287fSHans Petter Selasky u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); 6428e6e287fSHans Petter Selasky struct mlx5_ib_query_device_resp resp = {}; 6438e6e287fSHans Petter Selasky size_t resp_len; 6448e6e287fSHans Petter Selasky u64 max_tso; 64512515907SHans Petter Selasky 6468e6e287fSHans Petter Selasky resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); 6478e6e287fSHans Petter Selasky if (uhw->outlen && uhw->outlen < resp_len) 6488e6e287fSHans Petter Selasky return -EINVAL; 6498e6e287fSHans Petter Selasky else 6508e6e287fSHans Petter Selasky resp.response_length = resp_len; 6518e6e287fSHans Petter Selasky 6528e6e287fSHans Petter Selasky if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) 6538e6e287fSHans Petter Selasky return -EINVAL; 65412515907SHans Petter Selasky 65512515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 65612515907SHans Petter Selasky err = mlx5_query_system_image_guid(ibdev, 65712515907SHans Petter Selasky &props->sys_image_guid); 65812515907SHans Petter Selasky if (err) 65912515907SHans Petter Selasky return err; 66012515907SHans Petter Selasky 66112515907SHans Petter Selasky err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); 66212515907SHans Petter Selasky if (err) 66312515907SHans Petter Selasky return err; 66412515907SHans Petter Selasky 66512515907SHans Petter Selasky err = mlx5_query_vendor_id(ibdev, &props->vendor_id); 66612515907SHans Petter Selasky if (err) 66712515907SHans Petter Selasky return err; 66812515907SHans Petter Selasky 66912515907SHans Petter Selasky props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | 670c9e9b5c1SSlava Shwartsman ((u32)fw_rev_min(dev->mdev) << 16) | 67112515907SHans Petter Selasky fw_rev_sub(dev->mdev); 67212515907SHans Petter Selasky props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | 67312515907SHans Petter Selasky IB_DEVICE_PORT_ACTIVE_EVENT | 67412515907SHans Petter Selasky IB_DEVICE_SYS_IMAGE_GUID | 67512515907SHans Petter Selasky IB_DEVICE_RC_RNR_NAK_GEN; 67612515907SHans Petter Selasky 67712515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, pkv)) 67812515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; 67912515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, qkv)) 68012515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; 68112515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, apm)) 68212515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; 68312515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) 68412515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_XRC; 6858e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 6868e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | 6878e6e287fSHans Petter Selasky IB_DEVICE_MEM_WINDOW_TYPE_2B; 6888e6e287fSHans Petter Selasky props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 6898e6e287fSHans Petter Selasky /* We support 'Gappy' memory registration too */ 6908e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; 6918e6e287fSHans Petter Selasky } 69212515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; 6938e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, sho)) { 6948e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; 6958e6e287fSHans Petter Selasky /* At this stage no support for signature handover */ 6968e6e287fSHans Petter Selasky props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | 6978e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_2 | 6988e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_3; 6998e6e287fSHans Petter Selasky props->sig_guard_cap = IB_GUARD_T10DIF_CRC | 7008e6e287fSHans Petter Selasky IB_GUARD_T10DIF_CSUM; 7018e6e287fSHans Petter Selasky } 70212515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, block_lb_mc)) 70312515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; 70412515907SHans Petter Selasky 7058e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) { 7068e6e287fSHans Petter Selasky if (MLX5_CAP_ETH(mdev, csum_cap)) 7078e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; 7088e6e287fSHans Petter Selasky 7098e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { 7108e6e287fSHans Petter Selasky max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); 7118e6e287fSHans Petter Selasky if (max_tso) { 7128e6e287fSHans Petter Selasky resp.tso_caps.max_tso = 1 << max_tso; 7138e6e287fSHans Petter Selasky resp.tso_caps.supported_qpts |= 7148e6e287fSHans Petter Selasky 1 << IB_QPT_RAW_PACKET; 7158e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 7168e6e287fSHans Petter Selasky } 7178e6e287fSHans Petter Selasky } 7188e6e287fSHans Petter Selasky 7198e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { 7208e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_function = 7218e6e287fSHans Petter Selasky MLX5_RX_HASH_FUNC_TOEPLITZ; 7228e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_fields_mask = 7238e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV4 | 7248e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV4 | 7258e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV6 | 7268e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV6 | 7278e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_TCP | 7288e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_TCP | 7298e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_UDP | 7308e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_UDP; 7318e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 7328e6e287fSHans Petter Selasky } 7338e6e287fSHans Petter Selasky } else { 7348e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) 7358e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 7368e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) 7378e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 7388e6e287fSHans Petter Selasky } 7398e6e287fSHans Petter Selasky 7408e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, ipoib_ipoib_offloads)) { 7418e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; 7428e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_TSO; 7438e6e287fSHans Petter Selasky } 7448e6e287fSHans Petter Selasky 7458e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 7468e6e287fSHans Petter Selasky MLX5_CAP_ETH(dev->mdev, scatter_fcs)) 7478e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; 7488e6e287fSHans Petter Selasky 7498e6e287fSHans Petter Selasky if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) 7508e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; 7518e6e287fSHans Petter Selasky 75212515907SHans Petter Selasky props->vendor_part_id = mdev->pdev->device; 75312515907SHans Petter Selasky props->hw_ver = mdev->pdev->revision; 75412515907SHans Petter Selasky 75512515907SHans Petter Selasky props->max_mr_size = ~0ull; 7568e6e287fSHans Petter Selasky props->page_size_cap = ~(min_page_size - 1); 75712515907SHans Petter Selasky props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); 75812515907SHans Petter Selasky props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 75912515907SHans Petter Selasky max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / 76012515907SHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 7618e6e287fSHans Petter Selasky max_sq_sg = (MLX5_CAP_GEN(mdev, max_wqe_sz_sq) - 7628e6e287fSHans Petter Selasky sizeof(struct mlx5_wqe_ctrl_seg)) / 7638e6e287fSHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 76412515907SHans Petter Selasky props->max_sge = min(max_rq_sg, max_sq_sg); 7658e6e287fSHans Petter Selasky props->max_sge_rd = MLX5_MAX_SGE_RD; 76612515907SHans Petter Selasky props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); 76712515907SHans Petter Selasky props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; 76812515907SHans Petter Selasky props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 76912515907SHans Petter Selasky props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); 77012515907SHans Petter Selasky props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); 77112515907SHans Petter Selasky props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); 77212515907SHans Petter Selasky props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); 77312515907SHans Petter Selasky props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; 77412515907SHans Petter Selasky props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); 77512515907SHans Petter Selasky props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; 77612515907SHans Petter Selasky props->max_srq_sge = max_rq_sg - 1; 7778e6e287fSHans Petter Selasky props->max_fast_reg_page_list_len = 7788e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); 77912515907SHans Petter Selasky get_atomic_caps(dev, props); 7808e6e287fSHans Petter Selasky props->masked_atomic_cap = IB_ATOMIC_NONE; 78112515907SHans Petter Selasky props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); 78212515907SHans Petter Selasky props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); 78312515907SHans Petter Selasky props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * 78412515907SHans Petter Selasky props->max_mcast_grp; 78512515907SHans Petter Selasky props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ 7868e6e287fSHans Petter Selasky props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); 7878e6e287fSHans Petter Selasky props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; 7888e6e287fSHans Petter Selasky 7898e6e287fSHans Petter Selasky #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 7908e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, pg)) 7918e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; 7928e6e287fSHans Petter Selasky props->odp_caps = dev->odp_caps; 7938e6e287fSHans Petter Selasky #endif 7948e6e287fSHans Petter Selasky 7958e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, cd)) 7968e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; 7978e6e287fSHans Petter Selasky 7988e6e287fSHans Petter Selasky if (!mlx5_core_is_pf(mdev)) 7998e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; 8008e6e287fSHans Petter Selasky 8018e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 8028e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 8038e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_tables = 8048e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); 8058e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_table_size = 8068e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); 8078e6e287fSHans Petter Selasky props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; 8088e6e287fSHans Petter Selasky props->max_wq_type_rq = 8098e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); 8108e6e287fSHans Petter Selasky } 8118e6e287fSHans Petter Selasky 8128e6e287fSHans Petter Selasky if (uhw->outlen) { 8138e6e287fSHans Petter Selasky err = ib_copy_to_udata(uhw, &resp, resp.response_length); 8148e6e287fSHans Petter Selasky 8158e6e287fSHans Petter Selasky if (err) 8168e6e287fSHans Petter Selasky return err; 8178e6e287fSHans Petter Selasky } 81812515907SHans Petter Selasky 81912515907SHans Petter Selasky return 0; 82012515907SHans Petter Selasky } 82112515907SHans Petter Selasky 82212515907SHans Petter Selasky enum mlx5_ib_width { 82312515907SHans Petter Selasky MLX5_IB_WIDTH_1X = 1 << 0, 82412515907SHans Petter Selasky MLX5_IB_WIDTH_2X = 1 << 1, 82512515907SHans Petter Selasky MLX5_IB_WIDTH_4X = 1 << 2, 82612515907SHans Petter Selasky MLX5_IB_WIDTH_8X = 1 << 3, 82712515907SHans Petter Selasky MLX5_IB_WIDTH_12X = 1 << 4 82812515907SHans Petter Selasky }; 82912515907SHans Petter Selasky 83012515907SHans Petter Selasky static int translate_active_width(struct ib_device *ibdev, u8 active_width, 83112515907SHans Petter Selasky u8 *ib_width) 83212515907SHans Petter Selasky { 83312515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 83412515907SHans Petter Selasky int err = 0; 83512515907SHans Petter Selasky 83612515907SHans Petter Selasky if (active_width & MLX5_IB_WIDTH_1X) { 83712515907SHans Petter Selasky *ib_width = IB_WIDTH_1X; 83812515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_2X) { 83986a39779SHans Petter Selasky *ib_width = IB_WIDTH_2X; 84012515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_4X) { 84112515907SHans Petter Selasky *ib_width = IB_WIDTH_4X; 84212515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_8X) { 84312515907SHans Petter Selasky *ib_width = IB_WIDTH_8X; 84412515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_12X) { 84512515907SHans Petter Selasky *ib_width = IB_WIDTH_12X; 84612515907SHans Petter Selasky } else { 84712515907SHans Petter Selasky mlx5_ib_dbg(dev, "Invalid active_width %d\n", 84812515907SHans Petter Selasky (int)active_width); 84912515907SHans Petter Selasky err = -EINVAL; 85012515907SHans Petter Selasky } 85112515907SHans Petter Selasky 85212515907SHans Petter Selasky return err; 85312515907SHans Petter Selasky } 85412515907SHans Petter Selasky 85512515907SHans Petter Selasky enum ib_max_vl_num { 85612515907SHans Petter Selasky __IB_MAX_VL_0 = 1, 85712515907SHans Petter Selasky __IB_MAX_VL_0_1 = 2, 85812515907SHans Petter Selasky __IB_MAX_VL_0_3 = 3, 85912515907SHans Petter Selasky __IB_MAX_VL_0_7 = 4, 86012515907SHans Petter Selasky __IB_MAX_VL_0_14 = 5, 86112515907SHans Petter Selasky }; 86212515907SHans Petter Selasky 86312515907SHans Petter Selasky enum mlx5_vl_hw_cap { 86412515907SHans Petter Selasky MLX5_VL_HW_0 = 1, 86512515907SHans Petter Selasky MLX5_VL_HW_0_1 = 2, 86612515907SHans Petter Selasky MLX5_VL_HW_0_2 = 3, 86712515907SHans Petter Selasky MLX5_VL_HW_0_3 = 4, 86812515907SHans Petter Selasky MLX5_VL_HW_0_4 = 5, 86912515907SHans Petter Selasky MLX5_VL_HW_0_5 = 6, 87012515907SHans Petter Selasky MLX5_VL_HW_0_6 = 7, 87112515907SHans Petter Selasky MLX5_VL_HW_0_7 = 8, 87212515907SHans Petter Selasky MLX5_VL_HW_0_14 = 15 87312515907SHans Petter Selasky }; 87412515907SHans Petter Selasky 87512515907SHans Petter Selasky static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, 87612515907SHans Petter Selasky u8 *max_vl_num) 87712515907SHans Petter Selasky { 87812515907SHans Petter Selasky switch (vl_hw_cap) { 87912515907SHans Petter Selasky case MLX5_VL_HW_0: 88012515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0; 88112515907SHans Petter Selasky break; 88212515907SHans Petter Selasky case MLX5_VL_HW_0_1: 88312515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_1; 88412515907SHans Petter Selasky break; 88512515907SHans Petter Selasky case MLX5_VL_HW_0_3: 88612515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_3; 88712515907SHans Petter Selasky break; 88812515907SHans Petter Selasky case MLX5_VL_HW_0_7: 88912515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_7; 89012515907SHans Petter Selasky break; 89112515907SHans Petter Selasky case MLX5_VL_HW_0_14: 89212515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_14; 89312515907SHans Petter Selasky break; 89412515907SHans Petter Selasky 89512515907SHans Petter Selasky default: 89612515907SHans Petter Selasky return -EINVAL; 89712515907SHans Petter Selasky } 89812515907SHans Petter Selasky 89912515907SHans Petter Selasky return 0; 90012515907SHans Petter Selasky } 90112515907SHans Petter Selasky 9028e6e287fSHans Petter Selasky static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, 90312515907SHans Petter Selasky struct ib_port_attr *props) 90412515907SHans Petter Selasky { 90512515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 90612515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 90712515907SHans Petter Selasky u32 *rep; 9088e6e287fSHans Petter Selasky int replen = MLX5_ST_SZ_BYTES(query_hca_vport_context_out); 90912515907SHans Petter Selasky struct mlx5_ptys_reg *ptys; 91012515907SHans Petter Selasky struct mlx5_pmtu_reg *pmtu; 91112515907SHans Petter Selasky struct mlx5_pvlc_reg pvlc; 91212515907SHans Petter Selasky void *ctx; 91312515907SHans Petter Selasky int err; 91412515907SHans Petter Selasky 9158e6e287fSHans Petter Selasky rep = mlx5_vzalloc(replen); 91612515907SHans Petter Selasky ptys = kzalloc(sizeof(*ptys), GFP_KERNEL); 91712515907SHans Petter Selasky pmtu = kzalloc(sizeof(*pmtu), GFP_KERNEL); 91812515907SHans Petter Selasky if (!rep || !ptys || !pmtu) { 91912515907SHans Petter Selasky err = -ENOMEM; 92012515907SHans Petter Selasky goto out; 92112515907SHans Petter Selasky } 92212515907SHans Petter Selasky 92312515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 92412515907SHans Petter Selasky 9258e6e287fSHans Petter Selasky err = mlx5_query_hca_vport_context(mdev, port, 0, rep, replen); 92612515907SHans Petter Selasky if (err) 92712515907SHans Petter Selasky goto out; 92812515907SHans Petter Selasky 92912515907SHans Petter Selasky ctx = MLX5_ADDR_OF(query_hca_vport_context_out, rep, hca_vport_context); 93012515907SHans Petter Selasky 93112515907SHans Petter Selasky props->lid = MLX5_GET(hca_vport_context, ctx, lid); 93212515907SHans Petter Selasky props->lmc = MLX5_GET(hca_vport_context, ctx, lmc); 93312515907SHans Petter Selasky props->sm_lid = MLX5_GET(hca_vport_context, ctx, sm_lid); 93412515907SHans Petter Selasky props->sm_sl = MLX5_GET(hca_vport_context, ctx, sm_sl); 93512515907SHans Petter Selasky props->state = MLX5_GET(hca_vport_context, ctx, vport_state); 93612515907SHans Petter Selasky props->phys_state = MLX5_GET(hca_vport_context, ctx, 93712515907SHans Petter Selasky port_physical_state); 93812515907SHans Petter Selasky props->port_cap_flags = MLX5_GET(hca_vport_context, ctx, cap_mask1); 93912515907SHans Petter Selasky props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); 94012515907SHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); 94112515907SHans Petter Selasky props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); 94212515907SHans Petter Selasky props->bad_pkey_cntr = MLX5_GET(hca_vport_context, ctx, 94312515907SHans Petter Selasky pkey_violation_counter); 94412515907SHans Petter Selasky props->qkey_viol_cntr = MLX5_GET(hca_vport_context, ctx, 94512515907SHans Petter Selasky qkey_violation_counter); 94612515907SHans Petter Selasky props->subnet_timeout = MLX5_GET(hca_vport_context, ctx, 94712515907SHans Petter Selasky subnet_timeout); 94812515907SHans Petter Selasky props->init_type_reply = MLX5_GET(hca_vport_context, ctx, 94912515907SHans Petter Selasky init_type_reply); 9508e6e287fSHans Petter Selasky props->grh_required = MLX5_GET(hca_vport_context, ctx, grh_required); 95112515907SHans Petter Selasky 95212515907SHans Petter Selasky ptys->proto_mask |= MLX5_PTYS_IB; 95312515907SHans Petter Selasky ptys->local_port = port; 95412515907SHans Petter Selasky err = mlx5_core_access_ptys(mdev, ptys, 0); 95512515907SHans Petter Selasky if (err) 95612515907SHans Petter Selasky goto out; 95712515907SHans Petter Selasky 95812515907SHans Petter Selasky err = translate_active_width(ibdev, ptys->ib_link_width_oper, 95912515907SHans Petter Selasky &props->active_width); 96012515907SHans Petter Selasky if (err) 96112515907SHans Petter Selasky goto out; 96212515907SHans Petter Selasky 96312515907SHans Petter Selasky props->active_speed = (u8)ptys->ib_proto_oper; 96412515907SHans Petter Selasky 96512515907SHans Petter Selasky pmtu->local_port = port; 96612515907SHans Petter Selasky err = mlx5_core_access_pmtu(mdev, pmtu, 0); 96712515907SHans Petter Selasky if (err) 96812515907SHans Petter Selasky goto out; 96912515907SHans Petter Selasky 97012515907SHans Petter Selasky props->max_mtu = pmtu->max_mtu; 97112515907SHans Petter Selasky props->active_mtu = pmtu->oper_mtu; 97212515907SHans Petter Selasky 97312515907SHans Petter Selasky memset(&pvlc, 0, sizeof(pvlc)); 97412515907SHans Petter Selasky pvlc.local_port = port; 97512515907SHans Petter Selasky err = mlx5_core_access_pvlc(mdev, &pvlc, 0); 97612515907SHans Petter Selasky if (err) 97712515907SHans Petter Selasky goto out; 97812515907SHans Petter Selasky 97912515907SHans Petter Selasky err = translate_max_vl_num(ibdev, pvlc.vl_hw_cap, 98012515907SHans Petter Selasky &props->max_vl_num); 98112515907SHans Petter Selasky out: 98212515907SHans Petter Selasky kvfree(rep); 98312515907SHans Petter Selasky kfree(ptys); 98412515907SHans Petter Selasky kfree(pmtu); 98512515907SHans Petter Selasky return err; 98612515907SHans Petter Selasky } 98712515907SHans Petter Selasky 98812515907SHans Petter Selasky int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, 98912515907SHans Petter Selasky struct ib_port_attr *props) 99012515907SHans Petter Selasky { 99112515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 99212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 9938e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_port(ibdev, port, props); 99412515907SHans Petter Selasky 99512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 9968e6e287fSHans Petter Selasky return mlx5_query_hca_port(ibdev, port, props); 99712515907SHans Petter Selasky 99812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 99912515907SHans Petter Selasky return mlx5_query_port_roce(ibdev, port, props); 100012515907SHans Petter Selasky 100112515907SHans Petter Selasky default: 100212515907SHans Petter Selasky return -EINVAL; 100312515907SHans Petter Selasky } 100412515907SHans Petter Selasky } 100512515907SHans Petter Selasky 100612515907SHans Petter Selasky static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 100712515907SHans Petter Selasky union ib_gid *gid) 100812515907SHans Petter Selasky { 100912515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 101012515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 101112515907SHans Petter Selasky 101212515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 101312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 10148e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); 101512515907SHans Petter Selasky 101612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 101712515907SHans Petter Selasky return mlx5_query_hca_vport_gid(mdev, port, 0, index, gid); 101812515907SHans Petter Selasky 101912515907SHans Petter Selasky default: 102012515907SHans Petter Selasky return -EINVAL; 102112515907SHans Petter Selasky } 10228e6e287fSHans Petter Selasky 102312515907SHans Petter Selasky } 102412515907SHans Petter Selasky 102512515907SHans Petter Selasky static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 102612515907SHans Petter Selasky u16 *pkey) 102712515907SHans Petter Selasky { 102812515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 102912515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 103012515907SHans Petter Selasky 103112515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 103212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 10338e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); 103412515907SHans Petter Selasky 103512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 103612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 103712515907SHans Petter Selasky return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index, 103812515907SHans Petter Selasky pkey); 103912515907SHans Petter Selasky default: 104012515907SHans Petter Selasky return -EINVAL; 104112515907SHans Petter Selasky } 104212515907SHans Petter Selasky } 104312515907SHans Petter Selasky 104412515907SHans Petter Selasky static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, 104512515907SHans Petter Selasky struct ib_device_modify *props) 104612515907SHans Petter Selasky { 104712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 104812515907SHans Petter Selasky struct mlx5_reg_node_desc in; 104912515907SHans Petter Selasky struct mlx5_reg_node_desc out; 105012515907SHans Petter Selasky int err; 105112515907SHans Petter Selasky 105212515907SHans Petter Selasky if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) 105312515907SHans Petter Selasky return -EOPNOTSUPP; 105412515907SHans Petter Selasky 105512515907SHans Petter Selasky if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) 105612515907SHans Petter Selasky return 0; 105712515907SHans Petter Selasky 105812515907SHans Petter Selasky /* 105912515907SHans Petter Selasky * If possible, pass node desc to FW, so it can generate 106012515907SHans Petter Selasky * a 144 trap. If cmd fails, just ignore. 106112515907SHans Petter Selasky */ 10628e6e287fSHans Petter Selasky memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 106312515907SHans Petter Selasky err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, 106412515907SHans Petter Selasky sizeof(out), MLX5_REG_NODE_DESC, 0, 1); 106512515907SHans Petter Selasky if (err) 106612515907SHans Petter Selasky return err; 106712515907SHans Petter Selasky 10688e6e287fSHans Petter Selasky memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 106912515907SHans Petter Selasky 107012515907SHans Petter Selasky return err; 107112515907SHans Petter Selasky } 107212515907SHans Petter Selasky 107312515907SHans Petter Selasky static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, 107412515907SHans Petter Selasky struct ib_port_modify *props) 107512515907SHans Petter Selasky { 107612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 107712515907SHans Petter Selasky struct ib_port_attr attr; 107812515907SHans Petter Selasky u32 tmp; 107912515907SHans Petter Selasky int err; 108012515907SHans Petter Selasky 108112515907SHans Petter Selasky mutex_lock(&dev->cap_mask_mutex); 108212515907SHans Petter Selasky 108312515907SHans Petter Selasky err = mlx5_ib_query_port(ibdev, port, &attr); 108412515907SHans Petter Selasky if (err) 108512515907SHans Petter Selasky goto out; 108612515907SHans Petter Selasky 108712515907SHans Petter Selasky tmp = (attr.port_cap_flags | props->set_port_cap_mask) & 108812515907SHans Petter Selasky ~props->clr_port_cap_mask; 108912515907SHans Petter Selasky 109012515907SHans Petter Selasky err = mlx5_set_port_caps(dev->mdev, port, tmp); 109112515907SHans Petter Selasky 109212515907SHans Petter Selasky out: 109312515907SHans Petter Selasky mutex_unlock(&dev->cap_mask_mutex); 109412515907SHans Petter Selasky return err; 109512515907SHans Petter Selasky } 109612515907SHans Petter Selasky 109712515907SHans Petter Selasky static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, 109812515907SHans Petter Selasky struct ib_udata *udata) 109912515907SHans Petter Selasky { 110012515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 11018e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_req_v2 req = {}; 11028e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_resp resp = {}; 110312515907SHans Petter Selasky struct mlx5_ib_ucontext *context; 110412515907SHans Petter Selasky struct mlx5_uuar_info *uuari; 110512515907SHans Petter Selasky struct mlx5_uar *uars; 110612515907SHans Petter Selasky int gross_uuars; 110712515907SHans Petter Selasky int num_uars; 110812515907SHans Petter Selasky int ver; 110912515907SHans Petter Selasky int uuarn; 111012515907SHans Petter Selasky int err; 111112515907SHans Petter Selasky int i; 111212515907SHans Petter Selasky size_t reqlen; 11138e6e287fSHans Petter Selasky size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, 11148e6e287fSHans Petter Selasky max_cqe_version); 111512515907SHans Petter Selasky 111612515907SHans Petter Selasky if (!dev->ib_active) 111712515907SHans Petter Selasky return ERR_PTR(-EAGAIN); 111812515907SHans Petter Selasky 11198e6e287fSHans Petter Selasky if (udata->inlen < sizeof(struct ib_uverbs_cmd_hdr)) 11208e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 112112515907SHans Petter Selasky 112212515907SHans Petter Selasky reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); 112312515907SHans Petter Selasky if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) 112412515907SHans Petter Selasky ver = 0; 11258e6e287fSHans Petter Selasky else if (reqlen >= min_req_v2) 112612515907SHans Petter Selasky ver = 2; 11278e6e287fSHans Petter Selasky else 112812515907SHans Petter Selasky return ERR_PTR(-EINVAL); 112912515907SHans Petter Selasky 11308e6e287fSHans Petter Selasky err = ib_copy_from_udata(&req, udata, min(reqlen, sizeof(req))); 11318e6e287fSHans Petter Selasky if (err) 113212515907SHans Petter Selasky return ERR_PTR(err); 113312515907SHans Petter Selasky 11348e6e287fSHans Petter Selasky if (req.flags) 113512515907SHans Petter Selasky return ERR_PTR(-EINVAL); 113612515907SHans Petter Selasky 11378e6e287fSHans Petter Selasky if (req.total_num_uuars > MLX5_MAX_UUARS) 113812515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 11398e6e287fSHans Petter Selasky 11408e6e287fSHans Petter Selasky if (req.total_num_uuars == 0) 11418e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 11428e6e287fSHans Petter Selasky 11438e6e287fSHans Petter Selasky if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) 11448e6e287fSHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 11458e6e287fSHans Petter Selasky 11468e6e287fSHans Petter Selasky if (reqlen > sizeof(req) && 11478e6e287fSHans Petter Selasky !ib_is_udata_cleared(udata, sizeof(req), 11488e6e287fSHans Petter Selasky reqlen - sizeof(req))) 11498e6e287fSHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 115012515907SHans Petter Selasky 115112515907SHans Petter Selasky req.total_num_uuars = ALIGN(req.total_num_uuars, 115212515907SHans Petter Selasky MLX5_NON_FP_BF_REGS_PER_PAGE); 11538e6e287fSHans Petter Selasky if (req.num_low_latency_uuars > req.total_num_uuars - 1) 115412515907SHans Petter Selasky return ERR_PTR(-EINVAL); 115512515907SHans Petter Selasky 115612515907SHans Petter Selasky num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE; 115712515907SHans Petter Selasky gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE; 115812515907SHans Petter Selasky resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); 115912515907SHans Petter Selasky if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) 116012515907SHans Petter Selasky resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); 11618e6e287fSHans Petter Selasky resp.cache_line_size = cache_line_size(); 116212515907SHans Petter Selasky resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); 116312515907SHans Petter Selasky resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); 116412515907SHans Petter Selasky resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 116512515907SHans Petter Selasky resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 116612515907SHans Petter Selasky resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); 11678e6e287fSHans Petter Selasky resp.cqe_version = min_t(__u8, 11688e6e287fSHans Petter Selasky (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), 11698e6e287fSHans Petter Selasky req.max_cqe_version); 11708e6e287fSHans Petter Selasky resp.response_length = min(offsetof(typeof(resp), response_length) + 11718e6e287fSHans Petter Selasky sizeof(resp.response_length), udata->outlen); 117212515907SHans Petter Selasky 117312515907SHans Petter Selasky context = kzalloc(sizeof(*context), GFP_KERNEL); 117412515907SHans Petter Selasky if (!context) 117512515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 117612515907SHans Petter Selasky 117712515907SHans Petter Selasky uuari = &context->uuari; 117812515907SHans Petter Selasky mutex_init(&uuari->lock); 117912515907SHans Petter Selasky uars = kcalloc(num_uars, sizeof(*uars), GFP_KERNEL); 118012515907SHans Petter Selasky if (!uars) { 118112515907SHans Petter Selasky err = -ENOMEM; 118212515907SHans Petter Selasky goto out_ctx; 118312515907SHans Petter Selasky } 118412515907SHans Petter Selasky 118512515907SHans Petter Selasky uuari->bitmap = kcalloc(BITS_TO_LONGS(gross_uuars), 118612515907SHans Petter Selasky sizeof(*uuari->bitmap), 118712515907SHans Petter Selasky GFP_KERNEL); 118812515907SHans Petter Selasky if (!uuari->bitmap) { 118912515907SHans Petter Selasky err = -ENOMEM; 119012515907SHans Petter Selasky goto out_uar_ctx; 119112515907SHans Petter Selasky } 119212515907SHans Petter Selasky /* 119312515907SHans Petter Selasky * clear all fast path uuars 119412515907SHans Petter Selasky */ 119512515907SHans Petter Selasky for (i = 0; i < gross_uuars; i++) { 119612515907SHans Petter Selasky uuarn = i & 3; 119712515907SHans Petter Selasky if (uuarn == 2 || uuarn == 3) 119812515907SHans Petter Selasky set_bit(i, uuari->bitmap); 119912515907SHans Petter Selasky } 120012515907SHans Petter Selasky 120112515907SHans Petter Selasky uuari->count = kcalloc(gross_uuars, sizeof(*uuari->count), GFP_KERNEL); 120212515907SHans Petter Selasky if (!uuari->count) { 120312515907SHans Petter Selasky err = -ENOMEM; 120412515907SHans Petter Selasky goto out_bitmap; 120512515907SHans Petter Selasky } 120612515907SHans Petter Selasky 120712515907SHans Petter Selasky for (i = 0; i < num_uars; i++) { 120812515907SHans Petter Selasky err = mlx5_cmd_alloc_uar(dev->mdev, &uars[i].index); 12098e6e287fSHans Petter Selasky if (err) 12108e6e287fSHans Petter Selasky goto out_count; 12118e6e287fSHans Petter Selasky } 12128e6e287fSHans Petter Selasky 12138e6e287fSHans Petter Selasky #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 12148e6e287fSHans Petter Selasky context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; 12158e6e287fSHans Petter Selasky #endif 12168e6e287fSHans Petter Selasky 12178e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { 12188e6e287fSHans Petter Selasky err = mlx5_alloc_transport_domain(dev->mdev, 12198e6e287fSHans Petter Selasky &context->tdn); 12208e6e287fSHans Petter Selasky if (err) 122112515907SHans Petter Selasky goto out_uars; 122212515907SHans Petter Selasky } 122312515907SHans Petter Selasky 12248e6e287fSHans Petter Selasky INIT_LIST_HEAD(&context->vma_private_list); 122512515907SHans Petter Selasky INIT_LIST_HEAD(&context->db_page_list); 122612515907SHans Petter Selasky mutex_init(&context->db_page_mutex); 122712515907SHans Petter Selasky 122812515907SHans Petter Selasky resp.tot_uuars = req.total_num_uuars; 122912515907SHans Petter Selasky resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports); 12308e6e287fSHans Petter Selasky 12318e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cqe_version, udata->outlen)) 12328e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cqe_version); 12338e6e287fSHans Petter Selasky 12348e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { 12351456d97cSHans Petter Selasky resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | 12361456d97cSHans Petter Selasky MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; 12378e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cmds_supp_uhw); 12388e6e287fSHans Petter Selasky } 12398e6e287fSHans Petter Selasky 12408e6e287fSHans Petter Selasky /* 12418e6e287fSHans Petter Selasky * We don't want to expose information from the PCI bar that is located 12428e6e287fSHans Petter Selasky * after 4096 bytes, so if the arch only supports larger pages, let's 12438e6e287fSHans Petter Selasky * pretend we don't support reading the HCA's core clock. This is also 12448e6e287fSHans Petter Selasky * forced by mmap function. 12458e6e287fSHans Petter Selasky */ 12468e6e287fSHans Petter Selasky if (PAGE_SIZE <= 4096 && 12478e6e287fSHans Petter Selasky field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { 12488e6e287fSHans Petter Selasky resp.comp_mask |= 12498e6e287fSHans Petter Selasky MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; 12508e6e287fSHans Petter Selasky resp.hca_core_clock_offset = 12518e6e287fSHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h) % 12528e6e287fSHans Petter Selasky PAGE_SIZE; 12538e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.hca_core_clock_offset) + 12548e6e287fSHans Petter Selasky sizeof(resp.reserved2); 12558e6e287fSHans Petter Selasky } 12568e6e287fSHans Petter Selasky 12578e6e287fSHans Petter Selasky err = ib_copy_to_udata(udata, &resp, resp.response_length); 125812515907SHans Petter Selasky if (err) 12598e6e287fSHans Petter Selasky goto out_td; 126012515907SHans Petter Selasky 126112515907SHans Petter Selasky uuari->ver = ver; 126212515907SHans Petter Selasky uuari->num_low_latency_uuars = req.num_low_latency_uuars; 126312515907SHans Petter Selasky uuari->uars = uars; 126412515907SHans Petter Selasky uuari->num_uars = num_uars; 12658e6e287fSHans Petter Selasky context->cqe_version = resp.cqe_version; 126612515907SHans Petter Selasky 126712515907SHans Petter Selasky return &context->ibucontext; 126812515907SHans Petter Selasky 12698e6e287fSHans Petter Selasky out_td: 12708e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 12718e6e287fSHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, context->tdn); 12728e6e287fSHans Petter Selasky 127312515907SHans Petter Selasky out_uars: 127412515907SHans Petter Selasky for (i--; i >= 0; i--) 127512515907SHans Petter Selasky mlx5_cmd_free_uar(dev->mdev, uars[i].index); 12768e6e287fSHans Petter Selasky out_count: 127712515907SHans Petter Selasky kfree(uuari->count); 127812515907SHans Petter Selasky 127912515907SHans Petter Selasky out_bitmap: 128012515907SHans Petter Selasky kfree(uuari->bitmap); 128112515907SHans Petter Selasky 128212515907SHans Petter Selasky out_uar_ctx: 128312515907SHans Petter Selasky kfree(uars); 128412515907SHans Petter Selasky 128512515907SHans Petter Selasky out_ctx: 128612515907SHans Petter Selasky kfree(context); 128712515907SHans Petter Selasky return ERR_PTR(err); 128812515907SHans Petter Selasky } 128912515907SHans Petter Selasky 129012515907SHans Petter Selasky static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) 129112515907SHans Petter Selasky { 129212515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 129312515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 129412515907SHans Petter Selasky struct mlx5_uuar_info *uuari = &context->uuari; 129512515907SHans Petter Selasky int i; 129612515907SHans Petter Selasky 12978e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 129812515907SHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, context->tdn); 129912515907SHans Petter Selasky 130012515907SHans Petter Selasky for (i = 0; i < uuari->num_uars; i++) { 130112515907SHans Petter Selasky if (mlx5_cmd_free_uar(dev->mdev, uuari->uars[i].index)) 130212515907SHans Petter Selasky mlx5_ib_warn(dev, "failed to free UAR 0x%x\n", uuari->uars[i].index); 130312515907SHans Petter Selasky } 130412515907SHans Petter Selasky 130512515907SHans Petter Selasky kfree(uuari->count); 130612515907SHans Petter Selasky kfree(uuari->bitmap); 130712515907SHans Petter Selasky kfree(uuari->uars); 130812515907SHans Petter Selasky kfree(context); 130912515907SHans Petter Selasky 131012515907SHans Petter Selasky return 0; 131112515907SHans Petter Selasky } 131212515907SHans Petter Selasky 131312515907SHans Petter Selasky static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, int index) 131412515907SHans Petter Selasky { 131512515907SHans Petter Selasky return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + index; 131612515907SHans Petter Selasky } 131712515907SHans Petter Selasky 131812515907SHans Petter Selasky static int get_command(unsigned long offset) 131912515907SHans Petter Selasky { 132012515907SHans Petter Selasky return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; 132112515907SHans Petter Selasky } 132212515907SHans Petter Selasky 132312515907SHans Petter Selasky static int get_arg(unsigned long offset) 132412515907SHans Petter Selasky { 132512515907SHans Petter Selasky return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); 132612515907SHans Petter Selasky } 132712515907SHans Petter Selasky 132812515907SHans Petter Selasky static int get_index(unsigned long offset) 132912515907SHans Petter Selasky { 133012515907SHans Petter Selasky return get_arg(offset); 133112515907SHans Petter Selasky } 133212515907SHans Petter Selasky 13338e6e287fSHans Petter Selasky static void mlx5_ib_vma_open(struct vm_area_struct *area) 13348e6e287fSHans Petter Selasky { 13358e6e287fSHans Petter Selasky /* vma_open is called when a new VMA is created on top of our VMA. This 13368e6e287fSHans Petter Selasky * is done through either mremap flow or split_vma (usually due to 13378e6e287fSHans Petter Selasky * mlock, madvise, munmap, etc.) We do not support a clone of the VMA, 13388e6e287fSHans Petter Selasky * as this VMA is strongly hardware related. Therefore we set the 13398e6e287fSHans Petter Selasky * vm_ops of the newly created/cloned VMA to NULL, to prevent it from 13408e6e287fSHans Petter Selasky * calling us again and trying to do incorrect actions. We assume that 13418e6e287fSHans Petter Selasky * the original VMA size is exactly a single page, and therefore all 13428e6e287fSHans Petter Selasky * "splitting" operation will not happen to it. 13438e6e287fSHans Petter Selasky */ 13448e6e287fSHans Petter Selasky area->vm_ops = NULL; 13458e6e287fSHans Petter Selasky } 13468e6e287fSHans Petter Selasky 13478e6e287fSHans Petter Selasky static void mlx5_ib_vma_close(struct vm_area_struct *area) 13488e6e287fSHans Petter Selasky { 13498e6e287fSHans Petter Selasky struct mlx5_ib_vma_private_data *mlx5_ib_vma_priv_data; 13508e6e287fSHans Petter Selasky 13518e6e287fSHans Petter Selasky /* It's guaranteed that all VMAs opened on a FD are closed before the 13528e6e287fSHans Petter Selasky * file itself is closed, therefore no sync is needed with the regular 13538e6e287fSHans Petter Selasky * closing flow. (e.g. mlx5 ib_dealloc_ucontext) 13548e6e287fSHans Petter Selasky * However need a sync with accessing the vma as part of 13558e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext. 13568e6e287fSHans Petter Selasky * The close operation is usually called under mm->mmap_sem except when 13578e6e287fSHans Petter Selasky * process is exiting. 13588e6e287fSHans Petter Selasky * The exiting case is handled explicitly as part of 13598e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext. 13608e6e287fSHans Petter Selasky */ 13618e6e287fSHans Petter Selasky mlx5_ib_vma_priv_data = (struct mlx5_ib_vma_private_data *)area->vm_private_data; 13628e6e287fSHans Petter Selasky 13638e6e287fSHans Petter Selasky /* setting the vma context pointer to null in the mlx5_ib driver's 13648e6e287fSHans Petter Selasky * private data, to protect a race condition in 13658e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext(). 13668e6e287fSHans Petter Selasky */ 13678e6e287fSHans Petter Selasky mlx5_ib_vma_priv_data->vma = NULL; 13688e6e287fSHans Petter Selasky list_del(&mlx5_ib_vma_priv_data->list); 13698e6e287fSHans Petter Selasky kfree(mlx5_ib_vma_priv_data); 13708e6e287fSHans Petter Selasky } 13718e6e287fSHans Petter Selasky 13728e6e287fSHans Petter Selasky static const struct vm_operations_struct mlx5_ib_vm_ops = { 13738e6e287fSHans Petter Selasky .open = mlx5_ib_vma_open, 13748e6e287fSHans Petter Selasky .close = mlx5_ib_vma_close 13758e6e287fSHans Petter Selasky }; 13768e6e287fSHans Petter Selasky 13778e6e287fSHans Petter Selasky static int mlx5_ib_set_vma_data(struct vm_area_struct *vma, 13788e6e287fSHans Petter Selasky struct mlx5_ib_ucontext *ctx) 13798e6e287fSHans Petter Selasky { 13808e6e287fSHans Petter Selasky struct mlx5_ib_vma_private_data *vma_prv; 13818e6e287fSHans Petter Selasky struct list_head *vma_head = &ctx->vma_private_list; 13828e6e287fSHans Petter Selasky 13838e6e287fSHans Petter Selasky vma_prv = kzalloc(sizeof(*vma_prv), GFP_KERNEL); 13848e6e287fSHans Petter Selasky if (!vma_prv) 13858e6e287fSHans Petter Selasky return -ENOMEM; 13868e6e287fSHans Petter Selasky 13878e6e287fSHans Petter Selasky vma_prv->vma = vma; 13888e6e287fSHans Petter Selasky vma->vm_private_data = vma_prv; 13898e6e287fSHans Petter Selasky vma->vm_ops = &mlx5_ib_vm_ops; 13908e6e287fSHans Petter Selasky 13918e6e287fSHans Petter Selasky list_add(&vma_prv->list, vma_head); 13928e6e287fSHans Petter Selasky 13938e6e287fSHans Petter Selasky return 0; 13948e6e287fSHans Petter Selasky } 13958e6e287fSHans Petter Selasky 1396a3a31fdeSHans Petter Selasky static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) 1397a3a31fdeSHans Petter Selasky { 1398a3a31fdeSHans Petter Selasky int ret; 1399a3a31fdeSHans Petter Selasky struct vm_area_struct *vma; 1400a3a31fdeSHans Petter Selasky struct mlx5_ib_vma_private_data *vma_private, *n; 1401a3a31fdeSHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 1402a3a31fdeSHans Petter Selasky struct task_struct *owning_process = NULL; 1403a3a31fdeSHans Petter Selasky struct mm_struct *owning_mm = NULL; 1404a3a31fdeSHans Petter Selasky 1405a3a31fdeSHans Petter Selasky owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); 1406a3a31fdeSHans Petter Selasky if (!owning_process) 1407a3a31fdeSHans Petter Selasky return; 1408a3a31fdeSHans Petter Selasky 1409a3a31fdeSHans Petter Selasky owning_mm = get_task_mm(owning_process); 1410a3a31fdeSHans Petter Selasky if (!owning_mm) { 1411a3a31fdeSHans Petter Selasky pr_info("no mm, disassociate ucontext is pending task termination\n"); 1412a3a31fdeSHans Petter Selasky while (1) { 1413a3a31fdeSHans Petter Selasky put_task_struct(owning_process); 1414a3a31fdeSHans Petter Selasky usleep_range(1000, 2000); 1415a3a31fdeSHans Petter Selasky owning_process = get_pid_task(ibcontext->tgid, 1416a3a31fdeSHans Petter Selasky PIDTYPE_PID); 1417a3a31fdeSHans Petter Selasky if (!owning_process || owning_process->task_thread-> 1418a3a31fdeSHans Petter Selasky td_proc->p_state == PRS_ZOMBIE) { 1419a3a31fdeSHans Petter Selasky pr_info("disassociate ucontext done, task was terminated\n"); 1420a3a31fdeSHans Petter Selasky /* in case task was dead need to release the 1421a3a31fdeSHans Petter Selasky * task struct. 1422a3a31fdeSHans Petter Selasky */ 1423a3a31fdeSHans Petter Selasky if (owning_process) 1424a3a31fdeSHans Petter Selasky put_task_struct(owning_process); 1425a3a31fdeSHans Petter Selasky return; 1426a3a31fdeSHans Petter Selasky } 1427a3a31fdeSHans Petter Selasky } 1428a3a31fdeSHans Petter Selasky } 1429a3a31fdeSHans Petter Selasky 1430a3a31fdeSHans Petter Selasky /* need to protect from a race on closing the vma as part of 1431a3a31fdeSHans Petter Selasky * mlx5_ib_vma_close. 1432a3a31fdeSHans Petter Selasky */ 1433a3a31fdeSHans Petter Selasky down_write(&owning_mm->mmap_sem); 1434a3a31fdeSHans Petter Selasky list_for_each_entry_safe(vma_private, n, &context->vma_private_list, 1435a3a31fdeSHans Petter Selasky list) { 1436a3a31fdeSHans Petter Selasky vma = vma_private->vma; 1437a3a31fdeSHans Petter Selasky ret = zap_vma_ptes(vma, vma->vm_start, 1438a3a31fdeSHans Petter Selasky PAGE_SIZE); 1439a3a31fdeSHans Petter Selasky if (ret == -ENOTSUP) { 1440a3a31fdeSHans Petter Selasky if (bootverbose) 1441a3a31fdeSHans Petter Selasky WARN_ONCE( 1442a3a31fdeSHans Petter Selasky "%s: zap_vma_ptes not implemented for unmanaged mappings", __func__); 1443a3a31fdeSHans Petter Selasky } else { 1444a3a31fdeSHans Petter Selasky WARN(ret, "%s: zap_vma_ptes failed, error %d", 1445a3a31fdeSHans Petter Selasky __func__, -ret); 1446a3a31fdeSHans Petter Selasky } 1447a3a31fdeSHans Petter Selasky /* context going to be destroyed, should 1448a3a31fdeSHans Petter Selasky * not access ops any more. 1449a3a31fdeSHans Petter Selasky */ 1450a3a31fdeSHans Petter Selasky /* XXXKIB vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); */ 1451a3a31fdeSHans Petter Selasky vma->vm_ops = NULL; 1452a3a31fdeSHans Petter Selasky list_del(&vma_private->list); 1453a3a31fdeSHans Petter Selasky kfree(vma_private); 1454a3a31fdeSHans Petter Selasky } 1455a3a31fdeSHans Petter Selasky up_write(&owning_mm->mmap_sem); 1456a3a31fdeSHans Petter Selasky mmput(owning_mm); 1457a3a31fdeSHans Petter Selasky put_task_struct(owning_process); 1458a3a31fdeSHans Petter Selasky } 1459a3a31fdeSHans Petter Selasky 14608e6e287fSHans Petter Selasky static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) 14618e6e287fSHans Petter Selasky { 14628e6e287fSHans Petter Selasky switch (cmd) { 14638e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 14648e6e287fSHans Petter Selasky return "WC"; 14658e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 14668e6e287fSHans Petter Selasky return "best effort WC"; 14678e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 14688e6e287fSHans Petter Selasky return "NC"; 14698e6e287fSHans Petter Selasky default: 14708e6e287fSHans Petter Selasky return NULL; 14718e6e287fSHans Petter Selasky } 14728e6e287fSHans Petter Selasky } 14738e6e287fSHans Petter Selasky 14748e6e287fSHans Petter Selasky static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, 14758e6e287fSHans Petter Selasky struct vm_area_struct *vma, 147612515907SHans Petter Selasky struct mlx5_ib_ucontext *context) 147712515907SHans Petter Selasky { 14788e6e287fSHans Petter Selasky struct mlx5_uuar_info *uuari = &context->uuari; 14798e6e287fSHans Petter Selasky int err; 148012515907SHans Petter Selasky unsigned long idx; 14818e6e287fSHans Petter Selasky phys_addr_t pfn, pa; 14828e6e287fSHans Petter Selasky pgprot_t prot; 148312515907SHans Petter Selasky 14848e6e287fSHans Petter Selasky switch (cmd) { 14858e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 14868e6e287fSHans Petter Selasky /* Some architectures don't support WC memory */ 14878e6e287fSHans Petter Selasky #if defined(CONFIG_X86) 14888e6e287fSHans Petter Selasky if (!pat_enabled()) 14898e6e287fSHans Petter Selasky return -EPERM; 14908e6e287fSHans Petter Selasky #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) 14918e6e287fSHans Petter Selasky return -EPERM; 14928e6e287fSHans Petter Selasky #endif 14938e6e287fSHans Petter Selasky /* fall through */ 14948e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 14958e6e287fSHans Petter Selasky /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ 14968e6e287fSHans Petter Selasky prot = pgprot_writecombine(vma->vm_page_prot); 14978e6e287fSHans Petter Selasky break; 14988e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 14998e6e287fSHans Petter Selasky prot = pgprot_noncached(vma->vm_page_prot); 15008e6e287fSHans Petter Selasky break; 15018e6e287fSHans Petter Selasky default: 150212515907SHans Petter Selasky return -EINVAL; 150312515907SHans Petter Selasky } 150412515907SHans Petter Selasky 15058e6e287fSHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 15068e6e287fSHans Petter Selasky return -EINVAL; 15078e6e287fSHans Petter Selasky 150812515907SHans Petter Selasky idx = get_index(vma->vm_pgoff); 15098e6e287fSHans Petter Selasky if (idx >= uuari->num_uars) 151012515907SHans Petter Selasky return -EINVAL; 151112515907SHans Petter Selasky 151212515907SHans Petter Selasky pfn = uar_index2pfn(dev, uuari->uars[idx].index); 15138e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); 151412515907SHans Petter Selasky 151512515907SHans Petter Selasky vma->vm_page_prot = prot; 15168e6e287fSHans Petter Selasky err = io_remap_pfn_range(vma, vma->vm_start, pfn, 15178e6e287fSHans Petter Selasky PAGE_SIZE, vma->vm_page_prot); 15188e6e287fSHans Petter Selasky if (err) { 1519c3125bc5SHans Petter Selasky mlx5_ib_err(dev, "io_remap_pfn_range failed with error=%d, vm_start=0x%llx, pfn=%pa, mmap_cmd=%s\n", 1520c3125bc5SHans Petter Selasky err, (unsigned long long)vma->vm_start, &pfn, mmap_cmd2str(cmd)); 152112515907SHans Petter Selasky return -EAGAIN; 152212515907SHans Petter Selasky } 152312515907SHans Petter Selasky 15248e6e287fSHans Petter Selasky pa = pfn << PAGE_SHIFT; 1525c3125bc5SHans Petter Selasky mlx5_ib_dbg(dev, "mapped %s at 0x%llx, PA %pa\n", mmap_cmd2str(cmd), 1526c3125bc5SHans Petter Selasky (unsigned long long)vma->vm_start, &pa); 152712515907SHans Petter Selasky 15288e6e287fSHans Petter Selasky return mlx5_ib_set_vma_data(vma, context); 152912515907SHans Petter Selasky } 153012515907SHans Petter Selasky 153112515907SHans Petter Selasky static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) 153212515907SHans Petter Selasky { 153312515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 153412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 153512515907SHans Petter Selasky unsigned long command; 15368e6e287fSHans Petter Selasky phys_addr_t pfn; 153712515907SHans Petter Selasky 153812515907SHans Petter Selasky command = get_command(vma->vm_pgoff); 153912515907SHans Petter Selasky switch (command) { 154012515907SHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 154112515907SHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 15428e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 15438e6e287fSHans Petter Selasky return uar_mmap(dev, command, vma, context); 15448e6e287fSHans Petter Selasky 15458e6e287fSHans Petter Selasky case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: 15468e6e287fSHans Petter Selasky return -ENOSYS; 15478e6e287fSHans Petter Selasky 15488e6e287fSHans Petter Selasky case MLX5_IB_MMAP_CORE_CLOCK: 15498e6e287fSHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 15508e6e287fSHans Petter Selasky return -EINVAL; 15518e6e287fSHans Petter Selasky 15528e6e287fSHans Petter Selasky if (vma->vm_flags & VM_WRITE) 15538e6e287fSHans Petter Selasky return -EPERM; 15548e6e287fSHans Petter Selasky 15558e6e287fSHans Petter Selasky /* Don't expose to user-space information it shouldn't have */ 15568e6e287fSHans Petter Selasky if (PAGE_SIZE > 4096) 15578e6e287fSHans Petter Selasky return -EOPNOTSUPP; 15588e6e287fSHans Petter Selasky 15598e6e287fSHans Petter Selasky vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 15608e6e287fSHans Petter Selasky pfn = (dev->mdev->iseg_base + 15618e6e287fSHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h)) >> 15628e6e287fSHans Petter Selasky PAGE_SHIFT; 15638e6e287fSHans Petter Selasky if (io_remap_pfn_range(vma, vma->vm_start, pfn, 15648e6e287fSHans Petter Selasky PAGE_SIZE, vma->vm_page_prot)) 15658e6e287fSHans Petter Selasky return -EAGAIN; 15668e6e287fSHans Petter Selasky 1567c3125bc5SHans Petter Selasky mlx5_ib_dbg(dev, "mapped internal timer at 0x%llx, PA 0x%llx\n", 1568c3125bc5SHans Petter Selasky (unsigned long long)vma->vm_start, 15698e6e287fSHans Petter Selasky (unsigned long long)pfn << PAGE_SHIFT); 157012515907SHans Petter Selasky break; 157112515907SHans Petter Selasky 157212515907SHans Petter Selasky default: 157312515907SHans Petter Selasky return -EINVAL; 157412515907SHans Petter Selasky } 157512515907SHans Petter Selasky 157612515907SHans Petter Selasky return 0; 157712515907SHans Petter Selasky } 157812515907SHans Petter Selasky 157912515907SHans Petter Selasky static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, 158012515907SHans Petter Selasky struct ib_ucontext *context, 158112515907SHans Petter Selasky struct ib_udata *udata) 158212515907SHans Petter Selasky { 158312515907SHans Petter Selasky struct mlx5_ib_alloc_pd_resp resp; 158412515907SHans Petter Selasky struct mlx5_ib_pd *pd; 158512515907SHans Petter Selasky int err; 158612515907SHans Petter Selasky 158712515907SHans Petter Selasky pd = kmalloc(sizeof(*pd), GFP_KERNEL); 158812515907SHans Petter Selasky if (!pd) 158912515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 159012515907SHans Petter Selasky 159112515907SHans Petter Selasky err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn); 159212515907SHans Petter Selasky if (err) { 159312515907SHans Petter Selasky kfree(pd); 159412515907SHans Petter Selasky return ERR_PTR(err); 159512515907SHans Petter Selasky } 159612515907SHans Petter Selasky 159712515907SHans Petter Selasky if (context) { 159812515907SHans Petter Selasky resp.pdn = pd->pdn; 159912515907SHans Petter Selasky if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { 160012515907SHans Petter Selasky mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); 160112515907SHans Petter Selasky kfree(pd); 160212515907SHans Petter Selasky return ERR_PTR(-EFAULT); 160312515907SHans Petter Selasky } 160412515907SHans Petter Selasky } 160512515907SHans Petter Selasky 160612515907SHans Petter Selasky return &pd->ibpd; 160712515907SHans Petter Selasky } 160812515907SHans Petter Selasky 160912515907SHans Petter Selasky static int mlx5_ib_dealloc_pd(struct ib_pd *pd) 161012515907SHans Petter Selasky { 161112515907SHans Petter Selasky struct mlx5_ib_dev *mdev = to_mdev(pd->device); 161212515907SHans Petter Selasky struct mlx5_ib_pd *mpd = to_mpd(pd); 161312515907SHans Petter Selasky 161412515907SHans Petter Selasky mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); 161512515907SHans Petter Selasky kfree(mpd); 161612515907SHans Petter Selasky 161712515907SHans Petter Selasky return 0; 161812515907SHans Petter Selasky } 161912515907SHans Petter Selasky 16208e6e287fSHans Petter Selasky enum { 16218e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT, 16228e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT, 16238e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT 16248e6e287fSHans Petter Selasky }; 16258e6e287fSHans Petter Selasky 16268e6e287fSHans Petter Selasky #define HEADER_IS_ZERO(match_criteria, headers) \ 16278e6e287fSHans Petter Selasky !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ 16288e6e287fSHans Petter Selasky 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ 16298e6e287fSHans Petter Selasky 16308e6e287fSHans Petter Selasky static u8 get_match_criteria_enable(u32 *match_criteria) 16318e6e287fSHans Petter Selasky { 16328e6e287fSHans Petter Selasky u8 match_criteria_enable; 16338e6e287fSHans Petter Selasky 16348e6e287fSHans Petter Selasky match_criteria_enable = 16358e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, outer_headers)) << 16368e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT; 16378e6e287fSHans Petter Selasky match_criteria_enable |= 16388e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << 16398e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT; 16408e6e287fSHans Petter Selasky match_criteria_enable |= 16418e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, inner_headers)) << 16428e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT; 16438e6e287fSHans Petter Selasky 16448e6e287fSHans Petter Selasky return match_criteria_enable; 16458e6e287fSHans Petter Selasky } 16468e6e287fSHans Petter Selasky 16478e6e287fSHans Petter Selasky static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) 16488e6e287fSHans Petter Selasky { 16498e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); 16508e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); 16518e6e287fSHans Petter Selasky } 16528e6e287fSHans Petter Selasky 16538e6e287fSHans Petter Selasky static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) 16548e6e287fSHans Petter Selasky { 16558e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); 16568e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); 16578e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); 16588e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); 16598e6e287fSHans Petter Selasky } 16608e6e287fSHans Petter Selasky 16618e6e287fSHans Petter Selasky #define LAST_ETH_FIELD vlan_tag 16628e6e287fSHans Petter Selasky #define LAST_IB_FIELD sl 16638e6e287fSHans Petter Selasky #define LAST_IPV4_FIELD tos 16648e6e287fSHans Petter Selasky #define LAST_IPV6_FIELD traffic_class 16658e6e287fSHans Petter Selasky #define LAST_TCP_UDP_FIELD src_port 16668e6e287fSHans Petter Selasky 16678e6e287fSHans Petter Selasky /* Field is the last supported field */ 16688e6e287fSHans Petter Selasky #define FIELDS_NOT_SUPPORTED(filter, field)\ 16698e6e287fSHans Petter Selasky memchr_inv((void *)&filter.field +\ 16708e6e287fSHans Petter Selasky sizeof(filter.field), 0,\ 16718e6e287fSHans Petter Selasky sizeof(filter) -\ 16728e6e287fSHans Petter Selasky offsetof(typeof(filter), field) -\ 16738e6e287fSHans Petter Selasky sizeof(filter.field)) 16748e6e287fSHans Petter Selasky 16758e6e287fSHans Petter Selasky static int parse_flow_attr(u32 *match_c, u32 *match_v, 16768e6e287fSHans Petter Selasky const union ib_flow_spec *ib_spec) 16778e6e287fSHans Petter Selasky { 16788e6e287fSHans Petter Selasky void *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_c, 16798e6e287fSHans Petter Selasky outer_headers); 16808e6e287fSHans Petter Selasky void *outer_headers_v = MLX5_ADDR_OF(fte_match_param, match_v, 16818e6e287fSHans Petter Selasky outer_headers); 16828e6e287fSHans Petter Selasky void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, 16838e6e287fSHans Petter Selasky misc_parameters); 16848e6e287fSHans Petter Selasky void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, 16858e6e287fSHans Petter Selasky misc_parameters); 16868e6e287fSHans Petter Selasky 16878e6e287fSHans Petter Selasky switch (ib_spec->type) { 16888e6e287fSHans Petter Selasky case IB_FLOW_SPEC_ETH: 16898e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) 16908e6e287fSHans Petter Selasky return -ENOTSUPP; 16918e6e287fSHans Petter Selasky 16928e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 16938e6e287fSHans Petter Selasky dmac_47_16), 16948e6e287fSHans Petter Selasky ib_spec->eth.mask.dst_mac); 16958e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 16968e6e287fSHans Petter Selasky dmac_47_16), 16978e6e287fSHans Petter Selasky ib_spec->eth.val.dst_mac); 16988e6e287fSHans Petter Selasky 16998e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 17008e6e287fSHans Petter Selasky smac_47_16), 17018e6e287fSHans Petter Selasky ib_spec->eth.mask.src_mac); 17028e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 17038e6e287fSHans Petter Selasky smac_47_16), 17048e6e287fSHans Petter Selasky ib_spec->eth.val.src_mac); 17058e6e287fSHans Petter Selasky 17068e6e287fSHans Petter Selasky if (ib_spec->eth.mask.vlan_tag) { 17078e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17088e6e287fSHans Petter Selasky cvlan_tag, 1); 17098e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17108e6e287fSHans Petter Selasky cvlan_tag, 1); 17118e6e287fSHans Petter Selasky 17128e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17138e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); 17148e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17158e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.val.vlan_tag)); 17168e6e287fSHans Petter Selasky 17178e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17188e6e287fSHans Petter Selasky first_cfi, 17198e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 12); 17208e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17218e6e287fSHans Petter Selasky first_cfi, 17228e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 12); 17238e6e287fSHans Petter Selasky 17248e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17258e6e287fSHans Petter Selasky first_prio, 17268e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 13); 17278e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17288e6e287fSHans Petter Selasky first_prio, 17298e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 13); 17308e6e287fSHans Petter Selasky } 17318e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17328e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.mask.ether_type)); 17338e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17348e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.val.ether_type)); 17358e6e287fSHans Petter Selasky break; 17368e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV4: 17378e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) 17388e6e287fSHans Petter Selasky return -ENOTSUPP; 17398e6e287fSHans Petter Selasky 17408e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17418e6e287fSHans Petter Selasky ethertype, 0xffff); 17428e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17438e6e287fSHans Petter Selasky ethertype, ETH_P_IP); 17448e6e287fSHans Petter Selasky 17458e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 17468e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 17478e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.src_ip, 17488e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.src_ip)); 17498e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 17508e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 17518e6e287fSHans Petter Selasky &ib_spec->ipv4.val.src_ip, 17528e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.src_ip)); 17538e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 17548e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17558e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.dst_ip, 17568e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.dst_ip)); 17578e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 17588e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17598e6e287fSHans Petter Selasky &ib_spec->ipv4.val.dst_ip, 17608e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.dst_ip)); 17618e6e287fSHans Petter Selasky 17628e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 17638e6e287fSHans Petter Selasky ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); 17648e6e287fSHans Petter Selasky 17658e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 17668e6e287fSHans Petter Selasky ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); 17678e6e287fSHans Petter Selasky break; 17688e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV6: 17698e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) 17708e6e287fSHans Petter Selasky return -ENOTSUPP; 17718e6e287fSHans Petter Selasky 17728e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 17738e6e287fSHans Petter Selasky ethertype, 0xffff); 17748e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 17758e6e287fSHans Petter Selasky ethertype, IPPROTO_IPV6); 17768e6e287fSHans Petter Selasky 17778e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 17788e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 17798e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.src_ip, 17808e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.src_ip)); 17818e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 17828e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 17838e6e287fSHans Petter Selasky &ib_spec->ipv6.val.src_ip, 17848e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.src_ip)); 17858e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 17868e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17878e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.dst_ip, 17888e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.dst_ip)); 17898e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 17908e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17918e6e287fSHans Petter Selasky &ib_spec->ipv6.val.dst_ip, 17928e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.dst_ip)); 17938e6e287fSHans Petter Selasky 17948e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 17958e6e287fSHans Petter Selasky ib_spec->ipv6.mask.traffic_class, 17968e6e287fSHans Petter Selasky ib_spec->ipv6.val.traffic_class); 17978e6e287fSHans Petter Selasky 17988e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 17998e6e287fSHans Petter Selasky ib_spec->ipv6.mask.next_hdr, 18008e6e287fSHans Petter Selasky ib_spec->ipv6.val.next_hdr); 18018e6e287fSHans Petter Selasky 18028e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_c, 18038e6e287fSHans Petter Selasky outer_ipv6_flow_label, 18048e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.mask.flow_label)); 18058e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_v, 18068e6e287fSHans Petter Selasky outer_ipv6_flow_label, 18078e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.val.flow_label)); 18088e6e287fSHans Petter Selasky break; 18098e6e287fSHans Petter Selasky case IB_FLOW_SPEC_TCP: 18108e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 18118e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 18128e6e287fSHans Petter Selasky return -ENOTSUPP; 18138e6e287fSHans Petter Selasky 18148e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 18158e6e287fSHans Petter Selasky 0xff); 18168e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 18178e6e287fSHans Petter Selasky IPPROTO_TCP); 18188e6e287fSHans Petter Selasky 18198e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_sport, 18208e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 18218e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_sport, 18228e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 18238e6e287fSHans Petter Selasky 18248e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_dport, 18258e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 18268e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_dport, 18278e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 18288e6e287fSHans Petter Selasky break; 18298e6e287fSHans Petter Selasky case IB_FLOW_SPEC_UDP: 18308e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 18318e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 18328e6e287fSHans Petter Selasky return -ENOTSUPP; 18338e6e287fSHans Petter Selasky 18348e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 18358e6e287fSHans Petter Selasky 0xff); 18368e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 18378e6e287fSHans Petter Selasky IPPROTO_UDP); 18388e6e287fSHans Petter Selasky 18398e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_sport, 18408e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 18418e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_sport, 18428e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 18438e6e287fSHans Petter Selasky 18448e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_dport, 18458e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 18468e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport, 18478e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 18488e6e287fSHans Petter Selasky break; 18498e6e287fSHans Petter Selasky default: 18508e6e287fSHans Petter Selasky return -EINVAL; 18518e6e287fSHans Petter Selasky } 18528e6e287fSHans Petter Selasky 18538e6e287fSHans Petter Selasky return 0; 18548e6e287fSHans Petter Selasky } 18558e6e287fSHans Petter Selasky 18568e6e287fSHans Petter Selasky /* If a flow could catch both multicast and unicast packets, 18578e6e287fSHans Petter Selasky * it won't fall into the multicast flow steering table and this rule 18588e6e287fSHans Petter Selasky * could steal other multicast packets. 18598e6e287fSHans Petter Selasky */ 18608e6e287fSHans Petter Selasky static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr) 18618e6e287fSHans Petter Selasky { 18628e6e287fSHans Petter Selasky struct ib_flow_spec_eth *eth_spec; 18638e6e287fSHans Petter Selasky 18648e6e287fSHans Petter Selasky if (ib_attr->type != IB_FLOW_ATTR_NORMAL || 18658e6e287fSHans Petter Selasky ib_attr->size < sizeof(struct ib_flow_attr) + 18668e6e287fSHans Petter Selasky sizeof(struct ib_flow_spec_eth) || 18678e6e287fSHans Petter Selasky ib_attr->num_of_specs < 1) 18688e6e287fSHans Petter Selasky return false; 18698e6e287fSHans Petter Selasky 18708e6e287fSHans Petter Selasky eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1); 18718e6e287fSHans Petter Selasky if (eth_spec->type != IB_FLOW_SPEC_ETH || 18728e6e287fSHans Petter Selasky eth_spec->size != sizeof(*eth_spec)) 18738e6e287fSHans Petter Selasky return false; 18748e6e287fSHans Petter Selasky 18758e6e287fSHans Petter Selasky return is_multicast_ether_addr(eth_spec->mask.dst_mac) && 18768e6e287fSHans Petter Selasky is_multicast_ether_addr(eth_spec->val.dst_mac); 18778e6e287fSHans Petter Selasky } 18788e6e287fSHans Petter Selasky 18798e6e287fSHans Petter Selasky static bool is_valid_attr(const struct ib_flow_attr *flow_attr) 18808e6e287fSHans Petter Selasky { 18818e6e287fSHans Petter Selasky union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); 18828e6e287fSHans Petter Selasky bool has_ipv4_spec = false; 18838e6e287fSHans Petter Selasky bool eth_type_ipv4 = true; 18848e6e287fSHans Petter Selasky unsigned int spec_index; 18858e6e287fSHans Petter Selasky 18868e6e287fSHans Petter Selasky /* Validate that ethertype is correct */ 18878e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 18888e6e287fSHans Petter Selasky if (ib_spec->type == IB_FLOW_SPEC_ETH && 18898e6e287fSHans Petter Selasky ib_spec->eth.mask.ether_type) { 18908e6e287fSHans Petter Selasky if (!((ib_spec->eth.mask.ether_type == htons(0xffff)) && 18918e6e287fSHans Petter Selasky ib_spec->eth.val.ether_type == htons(ETH_P_IP))) 18928e6e287fSHans Petter Selasky eth_type_ipv4 = false; 18938e6e287fSHans Petter Selasky } else if (ib_spec->type == IB_FLOW_SPEC_IPV4) { 18948e6e287fSHans Petter Selasky has_ipv4_spec = true; 18958e6e287fSHans Petter Selasky } 18968e6e287fSHans Petter Selasky ib_spec = (void *)ib_spec + ib_spec->size; 18978e6e287fSHans Petter Selasky } 18988e6e287fSHans Petter Selasky return !has_ipv4_spec || eth_type_ipv4; 18998e6e287fSHans Petter Selasky } 19008e6e287fSHans Petter Selasky 19018e6e287fSHans Petter Selasky static void put_flow_table(struct mlx5_ib_dev *dev, 19028e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio, bool ft_added) 19038e6e287fSHans Petter Selasky { 19048e6e287fSHans Petter Selasky prio->refcount -= !!ft_added; 19058e6e287fSHans Petter Selasky if (!prio->refcount) { 19068e6e287fSHans Petter Selasky mlx5_destroy_flow_table(prio->flow_table); 19078e6e287fSHans Petter Selasky prio->flow_table = NULL; 19088e6e287fSHans Petter Selasky } 19098e6e287fSHans Petter Selasky } 19108e6e287fSHans Petter Selasky 19118e6e287fSHans Petter Selasky static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) 19128e6e287fSHans Petter Selasky { 19138e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); 19148e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = container_of(flow_id, 19158e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler, 19168e6e287fSHans Petter Selasky ibflow); 19178e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *iter, *tmp; 19188e6e287fSHans Petter Selasky 19198e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 19208e6e287fSHans Petter Selasky 19218e6e287fSHans Petter Selasky list_for_each_entry_safe(iter, tmp, &handler->list, list) { 19228e6e287fSHans Petter Selasky mlx5_del_flow_rule(iter->rule); 19238e6e287fSHans Petter Selasky put_flow_table(dev, iter->prio, true); 19248e6e287fSHans Petter Selasky list_del(&iter->list); 19258e6e287fSHans Petter Selasky kfree(iter); 19268e6e287fSHans Petter Selasky } 19278e6e287fSHans Petter Selasky 19288e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 19298e6e287fSHans Petter Selasky put_flow_table(dev, handler->prio, true); 19308e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 19318e6e287fSHans Petter Selasky 19328e6e287fSHans Petter Selasky kfree(handler); 19338e6e287fSHans Petter Selasky 19348e6e287fSHans Petter Selasky return 0; 19358e6e287fSHans Petter Selasky } 19368e6e287fSHans Petter Selasky 19378e6e287fSHans Petter Selasky static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) 19388e6e287fSHans Petter Selasky { 19398e6e287fSHans Petter Selasky priority *= 2; 19408e6e287fSHans Petter Selasky if (!dont_trap) 19418e6e287fSHans Petter Selasky priority++; 19428e6e287fSHans Petter Selasky return priority; 19438e6e287fSHans Petter Selasky } 19448e6e287fSHans Petter Selasky 19458e6e287fSHans Petter Selasky enum flow_table_type { 19468e6e287fSHans Petter Selasky MLX5_IB_FT_RX, 19478e6e287fSHans Petter Selasky MLX5_IB_FT_TX 19488e6e287fSHans Petter Selasky }; 19498e6e287fSHans Petter Selasky 19508e6e287fSHans Petter Selasky #define MLX5_FS_MAX_TYPES 10 19518e6e287fSHans Petter Selasky #define MLX5_FS_MAX_ENTRIES 32000UL 19528e6e287fSHans Petter Selasky static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, 19538e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 19548e6e287fSHans Petter Selasky enum flow_table_type ft_type) 19558e6e287fSHans Petter Selasky { 19568e6e287fSHans Petter Selasky bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; 19578e6e287fSHans Petter Selasky struct mlx5_flow_namespace *ns = NULL; 19588e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio; 19598e6e287fSHans Petter Selasky struct mlx5_flow_table *ft; 19608e6e287fSHans Petter Selasky int num_entries; 19618e6e287fSHans Petter Selasky int num_groups; 19628e6e287fSHans Petter Selasky int priority; 19638e6e287fSHans Petter Selasky int err = 0; 19648e6e287fSHans Petter Selasky 19658e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { 19668e6e287fSHans Petter Selasky if (flow_is_multicast_only(flow_attr) && 19678e6e287fSHans Petter Selasky !dont_trap) 19688e6e287fSHans Petter Selasky priority = MLX5_IB_FLOW_MCAST_PRIO; 19698e6e287fSHans Petter Selasky else 19708e6e287fSHans Petter Selasky priority = ib_prio_to_core_prio(flow_attr->priority, 19718e6e287fSHans Petter Selasky dont_trap); 19728e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 19738e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_BYPASS); 19748e6e287fSHans Petter Selasky num_entries = MLX5_FS_MAX_ENTRIES; 19758e6e287fSHans Petter Selasky num_groups = MLX5_FS_MAX_TYPES; 19768e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[priority]; 19778e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || 19788e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { 19798e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 19808e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_LEFTOVERS); 19818e6e287fSHans Petter Selasky build_leftovers_ft_param("bypass", &priority, 19828e6e287fSHans Petter Selasky &num_entries, 19838e6e287fSHans Petter Selasky &num_groups); 19848e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; 19858e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 19868e6e287fSHans Petter Selasky if (!MLX5_CAP_FLOWTABLE(dev->mdev, 19878e6e287fSHans Petter Selasky allow_sniffer_and_nic_rx_shared_tir)) 19888e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 19898e6e287fSHans Petter Selasky 19908e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? 19918e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_RX : 19928e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_TX); 19938e6e287fSHans Petter Selasky 19948e6e287fSHans Petter Selasky prio = &dev->flow_db.sniffer[ft_type]; 19958e6e287fSHans Petter Selasky priority = 0; 19968e6e287fSHans Petter Selasky num_entries = 1; 19978e6e287fSHans Petter Selasky num_groups = 1; 19988e6e287fSHans Petter Selasky } 19998e6e287fSHans Petter Selasky 20008e6e287fSHans Petter Selasky if (!ns) 20018e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 20028e6e287fSHans Petter Selasky 20038e6e287fSHans Petter Selasky ft = prio->flow_table; 20048e6e287fSHans Petter Selasky if (!ft) { 20058e6e287fSHans Petter Selasky ft = mlx5_create_auto_grouped_flow_table(ns, priority, "bypass", 20068e6e287fSHans Petter Selasky num_entries, 20078e6e287fSHans Petter Selasky num_groups); 20088e6e287fSHans Petter Selasky 20098e6e287fSHans Petter Selasky if (!IS_ERR(ft)) { 20108e6e287fSHans Petter Selasky prio->refcount = 0; 20118e6e287fSHans Petter Selasky prio->flow_table = ft; 20128e6e287fSHans Petter Selasky } else { 20138e6e287fSHans Petter Selasky err = PTR_ERR(ft); 20148e6e287fSHans Petter Selasky } 20158e6e287fSHans Petter Selasky } 20168e6e287fSHans Petter Selasky 20178e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : prio; 20188e6e287fSHans Petter Selasky } 20198e6e287fSHans Petter Selasky 20208e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, 20218e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 20228e6e287fSHans Petter Selasky const struct ib_flow_attr *flow_attr, 20238e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 20248e6e287fSHans Petter Selasky { 20258e6e287fSHans Petter Selasky struct mlx5_flow_table *ft = ft_prio->flow_table; 20268e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler; 20278e6e287fSHans Petter Selasky struct mlx5_flow_spec *spec; 20288e6e287fSHans Petter Selasky const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); 20298e6e287fSHans Petter Selasky unsigned int spec_index; 20308e6e287fSHans Petter Selasky u32 action; 20318e6e287fSHans Petter Selasky int err = 0; 20328e6e287fSHans Petter Selasky 20338e6e287fSHans Petter Selasky if (!is_valid_attr(flow_attr)) 20348e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 20358e6e287fSHans Petter Selasky 20368e6e287fSHans Petter Selasky spec = mlx5_vzalloc(sizeof(*spec)); 20378e6e287fSHans Petter Selasky handler = kzalloc(sizeof(*handler), GFP_KERNEL); 20388e6e287fSHans Petter Selasky if (!handler || !spec) { 20398e6e287fSHans Petter Selasky err = -ENOMEM; 20408e6e287fSHans Petter Selasky goto free; 20418e6e287fSHans Petter Selasky } 20428e6e287fSHans Petter Selasky 20438e6e287fSHans Petter Selasky INIT_LIST_HEAD(&handler->list); 20448e6e287fSHans Petter Selasky 20458e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 20468e6e287fSHans Petter Selasky err = parse_flow_attr(spec->match_criteria, 20478e6e287fSHans Petter Selasky spec->match_value, ib_flow); 20488e6e287fSHans Petter Selasky if (err < 0) 20498e6e287fSHans Petter Selasky goto free; 20508e6e287fSHans Petter Selasky 20518e6e287fSHans Petter Selasky ib_flow += ((union ib_flow_spec *)ib_flow)->size; 20528e6e287fSHans Petter Selasky } 20538e6e287fSHans Petter Selasky 20548e6e287fSHans Petter Selasky spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); 20558e6e287fSHans Petter Selasky action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : 20568e6e287fSHans Petter Selasky MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; 20578e6e287fSHans Petter Selasky handler->rule = mlx5_add_flow_rule(ft, spec->match_criteria_enable, 20588e6e287fSHans Petter Selasky spec->match_criteria, 20598e6e287fSHans Petter Selasky spec->match_value, 20608e6e287fSHans Petter Selasky action, 20618e6e287fSHans Petter Selasky MLX5_FS_DEFAULT_FLOW_TAG, 20628e6e287fSHans Petter Selasky dst); 20638e6e287fSHans Petter Selasky 20648e6e287fSHans Petter Selasky if (IS_ERR(handler->rule)) { 20658e6e287fSHans Petter Selasky err = PTR_ERR(handler->rule); 20668e6e287fSHans Petter Selasky goto free; 20678e6e287fSHans Petter Selasky } 20688e6e287fSHans Petter Selasky 20698e6e287fSHans Petter Selasky ft_prio->refcount++; 20708e6e287fSHans Petter Selasky handler->prio = ft_prio; 20718e6e287fSHans Petter Selasky 20728e6e287fSHans Petter Selasky ft_prio->flow_table = ft; 20738e6e287fSHans Petter Selasky free: 20748e6e287fSHans Petter Selasky if (err) 20758e6e287fSHans Petter Selasky kfree(handler); 20768e6e287fSHans Petter Selasky kvfree(spec); 20778e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : handler; 20788e6e287fSHans Petter Selasky } 20798e6e287fSHans Petter Selasky 20808e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, 20818e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 20828e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 20838e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 20848e6e287fSHans Petter Selasky { 20858e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_dst = NULL; 20868e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 20878e6e287fSHans Petter Selasky 20888e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); 20898e6e287fSHans Petter Selasky if (!IS_ERR(handler)) { 20908e6e287fSHans Petter Selasky handler_dst = create_flow_rule(dev, ft_prio, 20918e6e287fSHans Petter Selasky flow_attr, dst); 20928e6e287fSHans Petter Selasky if (IS_ERR(handler_dst)) { 20938e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 20948e6e287fSHans Petter Selasky ft_prio->refcount--; 20958e6e287fSHans Petter Selasky kfree(handler); 20968e6e287fSHans Petter Selasky handler = handler_dst; 20978e6e287fSHans Petter Selasky } else { 20988e6e287fSHans Petter Selasky list_add(&handler_dst->list, &handler->list); 20998e6e287fSHans Petter Selasky } 21008e6e287fSHans Petter Selasky } 21018e6e287fSHans Petter Selasky 21028e6e287fSHans Petter Selasky return handler; 21038e6e287fSHans Petter Selasky } 21048e6e287fSHans Petter Selasky enum { 21058e6e287fSHans Petter Selasky LEFTOVERS_MC, 21068e6e287fSHans Petter Selasky LEFTOVERS_UC, 21078e6e287fSHans Petter Selasky }; 21088e6e287fSHans Petter Selasky 21098e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, 21108e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 21118e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 21128e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 21138e6e287fSHans Petter Selasky { 21148e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_ucast = NULL; 21158e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 21168e6e287fSHans Petter Selasky 21178e6e287fSHans Petter Selasky static struct { 21188e6e287fSHans Petter Selasky struct ib_flow_attr flow_attr; 21198e6e287fSHans Petter Selasky struct ib_flow_spec_eth eth_flow; 21208e6e287fSHans Petter Selasky } leftovers_specs[] = { 21218e6e287fSHans Petter Selasky [LEFTOVERS_MC] = { 21228e6e287fSHans Petter Selasky .flow_attr = { 21238e6e287fSHans Petter Selasky .num_of_specs = 1, 21248e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 21258e6e287fSHans Petter Selasky }, 21268e6e287fSHans Petter Selasky .eth_flow = { 21278e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 21288e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 21298e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 21308e6e287fSHans Petter Selasky .val = {.dst_mac = {0x1} } 21318e6e287fSHans Petter Selasky } 21328e6e287fSHans Petter Selasky }, 21338e6e287fSHans Petter Selasky [LEFTOVERS_UC] = { 21348e6e287fSHans Petter Selasky .flow_attr = { 21358e6e287fSHans Petter Selasky .num_of_specs = 1, 21368e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 21378e6e287fSHans Petter Selasky }, 21388e6e287fSHans Petter Selasky .eth_flow = { 21398e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 21408e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 21418e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 21428e6e287fSHans Petter Selasky .val = {.dst_mac = {} } 21438e6e287fSHans Petter Selasky } 21448e6e287fSHans Petter Selasky } 21458e6e287fSHans Petter Selasky }; 21468e6e287fSHans Petter Selasky 21478e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, 21488e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_MC].flow_attr, 21498e6e287fSHans Petter Selasky dst); 21508e6e287fSHans Petter Selasky if (!IS_ERR(handler) && 21518e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { 21528e6e287fSHans Petter Selasky handler_ucast = create_flow_rule(dev, ft_prio, 21538e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_UC].flow_attr, 21548e6e287fSHans Petter Selasky dst); 21558e6e287fSHans Petter Selasky if (IS_ERR(handler_ucast)) { 21568e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 21578e6e287fSHans Petter Selasky ft_prio->refcount--; 21588e6e287fSHans Petter Selasky kfree(handler); 21598e6e287fSHans Petter Selasky handler = handler_ucast; 21608e6e287fSHans Petter Selasky } else { 21618e6e287fSHans Petter Selasky list_add(&handler_ucast->list, &handler->list); 21628e6e287fSHans Petter Selasky } 21638e6e287fSHans Petter Selasky } 21648e6e287fSHans Petter Selasky 21658e6e287fSHans Petter Selasky return handler; 21668e6e287fSHans Petter Selasky } 21678e6e287fSHans Petter Selasky 21688e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, 21698e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_rx, 21708e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_tx, 21718e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 21728e6e287fSHans Petter Selasky { 21738e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_rx; 21748e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_tx; 21758e6e287fSHans Petter Selasky int err; 21768e6e287fSHans Petter Selasky static const struct ib_flow_attr flow_attr = { 21778e6e287fSHans Petter Selasky .num_of_specs = 0, 21788e6e287fSHans Petter Selasky .size = sizeof(flow_attr) 21798e6e287fSHans Petter Selasky }; 21808e6e287fSHans Petter Selasky 21818e6e287fSHans Petter Selasky handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); 21828e6e287fSHans Petter Selasky if (IS_ERR(handler_rx)) { 21838e6e287fSHans Petter Selasky err = PTR_ERR(handler_rx); 21848e6e287fSHans Petter Selasky goto err; 21858e6e287fSHans Petter Selasky } 21868e6e287fSHans Petter Selasky 21878e6e287fSHans Petter Selasky handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); 21888e6e287fSHans Petter Selasky if (IS_ERR(handler_tx)) { 21898e6e287fSHans Petter Selasky err = PTR_ERR(handler_tx); 21908e6e287fSHans Petter Selasky goto err_tx; 21918e6e287fSHans Petter Selasky } 21928e6e287fSHans Petter Selasky 21938e6e287fSHans Petter Selasky list_add(&handler_tx->list, &handler_rx->list); 21948e6e287fSHans Petter Selasky 21958e6e287fSHans Petter Selasky return handler_rx; 21968e6e287fSHans Petter Selasky 21978e6e287fSHans Petter Selasky err_tx: 21988e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler_rx->rule); 21998e6e287fSHans Petter Selasky ft_rx->refcount--; 22008e6e287fSHans Petter Selasky kfree(handler_rx); 22018e6e287fSHans Petter Selasky err: 22028e6e287fSHans Petter Selasky return ERR_PTR(err); 22038e6e287fSHans Petter Selasky } 22048e6e287fSHans Petter Selasky 22058e6e287fSHans Petter Selasky static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, 22068e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 22078e6e287fSHans Petter Selasky int domain) 22088e6e287fSHans Petter Selasky { 22098e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(qp->device); 22108e6e287fSHans Petter Selasky struct mlx5_ib_qp *mqp = to_mqp(qp); 22118e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 22128e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst = NULL; 22138e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio_tx = NULL; 22148e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio; 22158e6e287fSHans Petter Selasky int err; 22168e6e287fSHans Petter Selasky 22178e6e287fSHans Petter Selasky if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) 22188e6e287fSHans Petter Selasky return ERR_PTR(-ENOSPC); 22198e6e287fSHans Petter Selasky 22208e6e287fSHans Petter Selasky if (domain != IB_FLOW_DOMAIN_USER || 22218e6e287fSHans Petter Selasky flow_attr->port > MLX5_CAP_GEN(dev->mdev, num_ports) || 22228e6e287fSHans Petter Selasky (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) 22238e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 22248e6e287fSHans Petter Selasky 22258e6e287fSHans Petter Selasky dst = kzalloc(sizeof(*dst), GFP_KERNEL); 22268e6e287fSHans Petter Selasky if (!dst) 22278e6e287fSHans Petter Selasky return ERR_PTR(-ENOMEM); 22288e6e287fSHans Petter Selasky 22298e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 22308e6e287fSHans Petter Selasky 22318e6e287fSHans Petter Selasky ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); 22328e6e287fSHans Petter Selasky if (IS_ERR(ft_prio)) { 22338e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio); 22348e6e287fSHans Petter Selasky goto unlock; 22358e6e287fSHans Petter Selasky } 22368e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 22378e6e287fSHans Petter Selasky ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); 22388e6e287fSHans Petter Selasky if (IS_ERR(ft_prio_tx)) { 22398e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio_tx); 22408e6e287fSHans Petter Selasky ft_prio_tx = NULL; 22418e6e287fSHans Petter Selasky goto destroy_ft; 22428e6e287fSHans Petter Selasky } 22438e6e287fSHans Petter Selasky } 22448e6e287fSHans Petter Selasky 22458e6e287fSHans Petter Selasky dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; 22468e6e287fSHans Petter Selasky if (mqp->flags & MLX5_IB_QP_RSS) 22478e6e287fSHans Petter Selasky dst->tir_num = mqp->rss_qp.tirn; 22488e6e287fSHans Petter Selasky else 22498e6e287fSHans Petter Selasky dst->tir_num = mqp->raw_packet_qp.rq.tirn; 22508e6e287fSHans Petter Selasky 22518e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { 22528e6e287fSHans Petter Selasky if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { 22538e6e287fSHans Petter Selasky handler = create_dont_trap_rule(dev, ft_prio, 22548e6e287fSHans Petter Selasky flow_attr, dst); 22558e6e287fSHans Petter Selasky } else { 22568e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, 22578e6e287fSHans Petter Selasky dst); 22588e6e287fSHans Petter Selasky } 22598e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || 22608e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { 22618e6e287fSHans Petter Selasky handler = create_leftovers_rule(dev, ft_prio, flow_attr, 22628e6e287fSHans Petter Selasky dst); 22638e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 22648e6e287fSHans Petter Selasky handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); 22658e6e287fSHans Petter Selasky } else { 22668e6e287fSHans Petter Selasky err = -EINVAL; 22678e6e287fSHans Petter Selasky goto destroy_ft; 22688e6e287fSHans Petter Selasky } 22698e6e287fSHans Petter Selasky 22708e6e287fSHans Petter Selasky if (IS_ERR(handler)) { 22718e6e287fSHans Petter Selasky err = PTR_ERR(handler); 22728e6e287fSHans Petter Selasky handler = NULL; 22738e6e287fSHans Petter Selasky goto destroy_ft; 22748e6e287fSHans Petter Selasky } 22758e6e287fSHans Petter Selasky 22768e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 22778e6e287fSHans Petter Selasky kfree(dst); 22788e6e287fSHans Petter Selasky 22798e6e287fSHans Petter Selasky return &handler->ibflow; 22808e6e287fSHans Petter Selasky 22818e6e287fSHans Petter Selasky destroy_ft: 22828e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio, false); 22838e6e287fSHans Petter Selasky if (ft_prio_tx) 22848e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio_tx, false); 22858e6e287fSHans Petter Selasky unlock: 22868e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 22878e6e287fSHans Petter Selasky kfree(dst); 22888e6e287fSHans Petter Selasky kfree(handler); 22898e6e287fSHans Petter Selasky return ERR_PTR(err); 22908e6e287fSHans Petter Selasky } 22918e6e287fSHans Petter Selasky 229212515907SHans Petter Selasky static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 229312515907SHans Petter Selasky { 229412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 229512515907SHans Petter Selasky int err; 229612515907SHans Petter Selasky 229712515907SHans Petter Selasky err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); 229812515907SHans Petter Selasky if (err) 229912515907SHans Petter Selasky mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", 230012515907SHans Petter Selasky ibqp->qp_num, gid->raw); 230112515907SHans Petter Selasky 230212515907SHans Petter Selasky return err; 230312515907SHans Petter Selasky } 230412515907SHans Petter Selasky 230512515907SHans Petter Selasky static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 230612515907SHans Petter Selasky { 230712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 230812515907SHans Petter Selasky int err; 230912515907SHans Petter Selasky 231012515907SHans Petter Selasky err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); 231112515907SHans Petter Selasky if (err) 231212515907SHans Petter Selasky mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", 231312515907SHans Petter Selasky ibqp->qp_num, gid->raw); 231412515907SHans Petter Selasky 231512515907SHans Petter Selasky return err; 231612515907SHans Petter Selasky } 231712515907SHans Petter Selasky 231812515907SHans Petter Selasky static int init_node_data(struct mlx5_ib_dev *dev) 231912515907SHans Petter Selasky { 232012515907SHans Petter Selasky int err; 232112515907SHans Petter Selasky 232212515907SHans Petter Selasky err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); 232312515907SHans Petter Selasky if (err) 232412515907SHans Petter Selasky return err; 232512515907SHans Petter Selasky 232612515907SHans Petter Selasky return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); 232712515907SHans Petter Selasky } 232812515907SHans Petter Selasky 232912515907SHans Petter Selasky static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, 233012515907SHans Petter Selasky char *buf) 233112515907SHans Petter Selasky { 233212515907SHans Petter Selasky struct mlx5_ib_dev *dev = 233312515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 233412515907SHans Petter Selasky 233512515907SHans Petter Selasky return sprintf(buf, "%lld\n", (long long)dev->mdev->priv.fw_pages); 233612515907SHans Petter Selasky } 233712515907SHans Petter Selasky 233812515907SHans Petter Selasky static ssize_t show_reg_pages(struct device *device, 233912515907SHans Petter Selasky struct device_attribute *attr, char *buf) 234012515907SHans Petter Selasky { 234112515907SHans Petter Selasky struct mlx5_ib_dev *dev = 234212515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 234312515907SHans Petter Selasky 234412515907SHans Petter Selasky return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); 234512515907SHans Petter Selasky } 234612515907SHans Petter Selasky 234712515907SHans Petter Selasky static ssize_t show_hca(struct device *device, struct device_attribute *attr, 234812515907SHans Petter Selasky char *buf) 234912515907SHans Petter Selasky { 235012515907SHans Petter Selasky struct mlx5_ib_dev *dev = 235112515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 235212515907SHans Petter Selasky return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); 235312515907SHans Petter Selasky } 235412515907SHans Petter Selasky 235512515907SHans Petter Selasky static ssize_t show_rev(struct device *device, struct device_attribute *attr, 235612515907SHans Petter Selasky char *buf) 235712515907SHans Petter Selasky { 235812515907SHans Petter Selasky struct mlx5_ib_dev *dev = 235912515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 23608e6e287fSHans Petter Selasky return sprintf(buf, "%x\n", dev->mdev->pdev->revision); 236112515907SHans Petter Selasky } 236212515907SHans Petter Selasky 236312515907SHans Petter Selasky static ssize_t show_board(struct device *device, struct device_attribute *attr, 236412515907SHans Petter Selasky char *buf) 236512515907SHans Petter Selasky { 236612515907SHans Petter Selasky struct mlx5_ib_dev *dev = 236712515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 236812515907SHans Petter Selasky return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, 236912515907SHans Petter Selasky dev->mdev->board_id); 237012515907SHans Petter Selasky } 237112515907SHans Petter Selasky 237212515907SHans Petter Selasky static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 237312515907SHans Petter Selasky static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); 237412515907SHans Petter Selasky static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); 237512515907SHans Petter Selasky static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); 237612515907SHans Petter Selasky static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); 237712515907SHans Petter Selasky 237812515907SHans Petter Selasky static struct device_attribute *mlx5_class_attributes[] = { 237912515907SHans Petter Selasky &dev_attr_hw_rev, 238012515907SHans Petter Selasky &dev_attr_hca_type, 238112515907SHans Petter Selasky &dev_attr_board_id, 238212515907SHans Petter Selasky &dev_attr_fw_pages, 238312515907SHans Petter Selasky &dev_attr_reg_pages, 238412515907SHans Petter Selasky }; 238512515907SHans Petter Selasky 23868e6e287fSHans Petter Selasky static void pkey_change_handler(struct work_struct *work) 23878e6e287fSHans Petter Selasky { 23888e6e287fSHans Petter Selasky struct mlx5_ib_port_resources *ports = 23898e6e287fSHans Petter Selasky container_of(work, struct mlx5_ib_port_resources, 23908e6e287fSHans Petter Selasky pkey_change_work); 23918e6e287fSHans Petter Selasky 23928e6e287fSHans Petter Selasky mutex_lock(&ports->devr->mutex); 23938e6e287fSHans Petter Selasky mlx5_ib_gsi_pkey_change(ports->gsi); 23948e6e287fSHans Petter Selasky mutex_unlock(&ports->devr->mutex); 23958e6e287fSHans Petter Selasky } 23968e6e287fSHans Petter Selasky 239712515907SHans Petter Selasky static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) 239812515907SHans Petter Selasky { 239912515907SHans Petter Selasky struct mlx5_ib_qp *mqp; 240012515907SHans Petter Selasky struct mlx5_ib_cq *send_mcq, *recv_mcq; 240112515907SHans Petter Selasky struct mlx5_core_cq *mcq; 240212515907SHans Petter Selasky struct list_head cq_armed_list; 240312515907SHans Petter Selasky unsigned long flags_qp; 240412515907SHans Petter Selasky unsigned long flags_cq; 240512515907SHans Petter Selasky unsigned long flags; 240612515907SHans Petter Selasky 240712515907SHans Petter Selasky INIT_LIST_HEAD(&cq_armed_list); 240812515907SHans Petter Selasky 240912515907SHans Petter Selasky /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ 241012515907SHans Petter Selasky spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); 241112515907SHans Petter Selasky list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { 241212515907SHans Petter Selasky spin_lock_irqsave(&mqp->sq.lock, flags_qp); 241312515907SHans Petter Selasky if (mqp->sq.tail != mqp->sq.head) { 241412515907SHans Petter Selasky send_mcq = to_mcq(mqp->ibqp.send_cq); 241512515907SHans Petter Selasky spin_lock_irqsave(&send_mcq->lock, flags_cq); 241612515907SHans Petter Selasky if (send_mcq->mcq.comp && 241712515907SHans Petter Selasky mqp->ibqp.send_cq->comp_handler) { 241812515907SHans Petter Selasky if (!send_mcq->mcq.reset_notify_added) { 241912515907SHans Petter Selasky send_mcq->mcq.reset_notify_added = 1; 242012515907SHans Petter Selasky list_add_tail(&send_mcq->mcq.reset_notify, 242112515907SHans Petter Selasky &cq_armed_list); 242212515907SHans Petter Selasky } 242312515907SHans Petter Selasky } 242412515907SHans Petter Selasky spin_unlock_irqrestore(&send_mcq->lock, flags_cq); 242512515907SHans Petter Selasky } 242612515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); 242712515907SHans Petter Selasky spin_lock_irqsave(&mqp->rq.lock, flags_qp); 242812515907SHans Petter Selasky /* no handling is needed for SRQ */ 242912515907SHans Petter Selasky if (!mqp->ibqp.srq) { 243012515907SHans Petter Selasky if (mqp->rq.tail != mqp->rq.head) { 243112515907SHans Petter Selasky recv_mcq = to_mcq(mqp->ibqp.recv_cq); 243212515907SHans Petter Selasky spin_lock_irqsave(&recv_mcq->lock, flags_cq); 243312515907SHans Petter Selasky if (recv_mcq->mcq.comp && 243412515907SHans Petter Selasky mqp->ibqp.recv_cq->comp_handler) { 243512515907SHans Petter Selasky if (!recv_mcq->mcq.reset_notify_added) { 243612515907SHans Petter Selasky recv_mcq->mcq.reset_notify_added = 1; 243712515907SHans Petter Selasky list_add_tail(&recv_mcq->mcq.reset_notify, 243812515907SHans Petter Selasky &cq_armed_list); 243912515907SHans Petter Selasky } 244012515907SHans Petter Selasky } 244112515907SHans Petter Selasky spin_unlock_irqrestore(&recv_mcq->lock, 244212515907SHans Petter Selasky flags_cq); 244312515907SHans Petter Selasky } 244412515907SHans Petter Selasky } 244512515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); 244612515907SHans Petter Selasky } 244712515907SHans Petter Selasky /*At that point all inflight post send were put to be executed as of we 244812515907SHans Petter Selasky * lock/unlock above locks Now need to arm all involved CQs. 244912515907SHans Petter Selasky */ 245012515907SHans Petter Selasky list_for_each_entry(mcq, &cq_armed_list, reset_notify) { 245112515907SHans Petter Selasky mcq->comp(mcq); 245212515907SHans Petter Selasky } 245312515907SHans Petter Selasky spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); 245412515907SHans Petter Selasky } 245512515907SHans Petter Selasky 245612515907SHans Petter Selasky static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, 245712515907SHans Petter Selasky enum mlx5_dev_event event, unsigned long param) 245812515907SHans Petter Selasky { 245912515907SHans Petter Selasky struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; 246012515907SHans Petter Selasky struct ib_event ibev; 24618e6e287fSHans Petter Selasky bool fatal = false; 2462843a89d3SSlava Shwartsman u8 port = (u8)param; 246312515907SHans Petter Selasky 246412515907SHans Petter Selasky switch (event) { 246512515907SHans Petter Selasky case MLX5_DEV_EVENT_SYS_ERROR: 246612515907SHans Petter Selasky ibev.event = IB_EVENT_DEVICE_FATAL; 246712515907SHans Petter Selasky mlx5_ib_handle_internal_error(ibdev); 24688e6e287fSHans Petter Selasky fatal = true; 246912515907SHans Petter Selasky break; 247012515907SHans Petter Selasky 247112515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_UP: 247212515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_DOWN: 247312515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_INITIALIZED: 24748e6e287fSHans Petter Selasky /* In RoCE, port up/down events are handled in 24758e6e287fSHans Petter Selasky * mlx5_netdev_event(). 24768e6e287fSHans Petter Selasky */ 24778e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == 24788e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) 24798e6e287fSHans Petter Selasky return; 24808e6e287fSHans Petter Selasky 24818e6e287fSHans Petter Selasky ibev.event = (event == MLX5_DEV_EVENT_PORT_UP) ? 24828e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 248312515907SHans Petter Selasky break; 248412515907SHans Petter Selasky 248512515907SHans Petter Selasky case MLX5_DEV_EVENT_LID_CHANGE: 248612515907SHans Petter Selasky ibev.event = IB_EVENT_LID_CHANGE; 248712515907SHans Petter Selasky break; 248812515907SHans Petter Selasky 248912515907SHans Petter Selasky case MLX5_DEV_EVENT_PKEY_CHANGE: 249012515907SHans Petter Selasky ibev.event = IB_EVENT_PKEY_CHANGE; 24918e6e287fSHans Petter Selasky 24928e6e287fSHans Petter Selasky schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); 249312515907SHans Petter Selasky break; 249412515907SHans Petter Selasky 249512515907SHans Petter Selasky case MLX5_DEV_EVENT_GUID_CHANGE: 249612515907SHans Petter Selasky ibev.event = IB_EVENT_GID_CHANGE; 249712515907SHans Petter Selasky break; 249812515907SHans Petter Selasky 249912515907SHans Petter Selasky case MLX5_DEV_EVENT_CLIENT_REREG: 250012515907SHans Petter Selasky ibev.event = IB_EVENT_CLIENT_REREGISTER; 250112515907SHans Petter Selasky break; 250212515907SHans Petter Selasky 250312515907SHans Petter Selasky default: 250462bfa774SHans Petter Selasky /* unsupported event */ 250562bfa774SHans Petter Selasky return; 250612515907SHans Petter Selasky } 250712515907SHans Petter Selasky 250812515907SHans Petter Selasky ibev.device = &ibdev->ib_dev; 250912515907SHans Petter Selasky ibev.element.port_num = port; 251012515907SHans Petter Selasky 2511843a89d3SSlava Shwartsman if (!rdma_is_port_valid(&ibdev->ib_dev, port)) { 251262bfa774SHans Petter Selasky mlx5_ib_warn(ibdev, "warning: event(%d) on port %d\n", event, port); 251312515907SHans Petter Selasky return; 251412515907SHans Petter Selasky } 251512515907SHans Petter Selasky 251612515907SHans Petter Selasky if (ibdev->ib_active) 251712515907SHans Petter Selasky ib_dispatch_event(&ibev); 25188e6e287fSHans Petter Selasky 25198e6e287fSHans Petter Selasky if (fatal) 25208e6e287fSHans Petter Selasky ibdev->ib_active = false; 252112515907SHans Petter Selasky } 252212515907SHans Petter Selasky 252312515907SHans Petter Selasky static void get_ext_port_caps(struct mlx5_ib_dev *dev) 252412515907SHans Petter Selasky { 252512515907SHans Petter Selasky int port; 252612515907SHans Petter Selasky 252712515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) 252812515907SHans Petter Selasky mlx5_query_ext_port_caps(dev, port); 252912515907SHans Petter Selasky } 253012515907SHans Petter Selasky 253112515907SHans Petter Selasky static int get_port_caps(struct mlx5_ib_dev *dev) 253212515907SHans Petter Selasky { 253312515907SHans Petter Selasky struct ib_device_attr *dprops = NULL; 253412515907SHans Petter Selasky struct ib_port_attr *pprops = NULL; 253512515907SHans Petter Selasky int err = -ENOMEM; 253612515907SHans Petter Selasky int port; 25378e6e287fSHans Petter Selasky struct ib_udata uhw = {.inlen = 0, .outlen = 0}; 253812515907SHans Petter Selasky 253912515907SHans Petter Selasky pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); 254012515907SHans Petter Selasky if (!pprops) 254112515907SHans Petter Selasky goto out; 254212515907SHans Petter Selasky 254312515907SHans Petter Selasky dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); 254412515907SHans Petter Selasky if (!dprops) 254512515907SHans Petter Selasky goto out; 254612515907SHans Petter Selasky 25478e6e287fSHans Petter Selasky err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); 254812515907SHans Petter Selasky if (err) { 254912515907SHans Petter Selasky mlx5_ib_warn(dev, "query_device failed %d\n", err); 255012515907SHans Petter Selasky goto out; 255112515907SHans Petter Selasky } 255212515907SHans Petter Selasky 255312515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { 255412515907SHans Petter Selasky err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); 255512515907SHans Petter Selasky if (err) { 255612515907SHans Petter Selasky mlx5_ib_warn(dev, "query_port %d failed %d\n", 255712515907SHans Petter Selasky port, err); 255812515907SHans Petter Selasky break; 255912515907SHans Petter Selasky } 25608e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].pkey_table_len = 25618e6e287fSHans Petter Selasky dprops->max_pkeys; 25628e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].gid_table_len = 25638e6e287fSHans Petter Selasky pprops->gid_tbl_len; 256412515907SHans Petter Selasky mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n", 256512515907SHans Petter Selasky dprops->max_pkeys, pprops->gid_tbl_len); 256612515907SHans Petter Selasky } 256712515907SHans Petter Selasky 256812515907SHans Petter Selasky out: 256912515907SHans Petter Selasky kfree(pprops); 257012515907SHans Petter Selasky kfree(dprops); 257112515907SHans Petter Selasky 257212515907SHans Petter Selasky return err; 257312515907SHans Petter Selasky } 257412515907SHans Petter Selasky 257512515907SHans Petter Selasky static void destroy_umrc_res(struct mlx5_ib_dev *dev) 257612515907SHans Petter Selasky { 257712515907SHans Petter Selasky int err; 257812515907SHans Petter Selasky 257912515907SHans Petter Selasky err = mlx5_mr_cache_cleanup(dev); 258012515907SHans Petter Selasky if (err) 258112515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache cleanup failed\n"); 258212515907SHans Petter Selasky 25838e6e287fSHans Petter Selasky mlx5_ib_destroy_qp(dev->umrc.qp); 25848e6e287fSHans Petter Selasky ib_free_cq(dev->umrc.cq); 258512515907SHans Petter Selasky ib_dealloc_pd(dev->umrc.pd); 258612515907SHans Petter Selasky } 258712515907SHans Petter Selasky 258812515907SHans Petter Selasky enum { 258912515907SHans Petter Selasky MAX_UMR_WR = 128, 259012515907SHans Petter Selasky }; 259112515907SHans Petter Selasky 259212515907SHans Petter Selasky static int create_umr_res(struct mlx5_ib_dev *dev) 259312515907SHans Petter Selasky { 25948e6e287fSHans Petter Selasky struct ib_qp_init_attr *init_attr = NULL; 25958e6e287fSHans Petter Selasky struct ib_qp_attr *attr = NULL; 259612515907SHans Petter Selasky struct ib_pd *pd; 25978e6e287fSHans Petter Selasky struct ib_cq *cq; 25988e6e287fSHans Petter Selasky struct ib_qp *qp; 259912515907SHans Petter Selasky int ret; 260012515907SHans Petter Selasky 26018e6e287fSHans Petter Selasky attr = kzalloc(sizeof(*attr), GFP_KERNEL); 26028e6e287fSHans Petter Selasky init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); 26038e6e287fSHans Petter Selasky if (!attr || !init_attr) { 26048e6e287fSHans Petter Selasky ret = -ENOMEM; 26058e6e287fSHans Petter Selasky goto error_0; 26068e6e287fSHans Petter Selasky } 26078e6e287fSHans Petter Selasky 26088e6e287fSHans Petter Selasky pd = ib_alloc_pd(&dev->ib_dev, 0); 260912515907SHans Petter Selasky if (IS_ERR(pd)) { 261012515907SHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); 261112515907SHans Petter Selasky ret = PTR_ERR(pd); 261212515907SHans Petter Selasky goto error_0; 261312515907SHans Petter Selasky } 261412515907SHans Petter Selasky 26158e6e287fSHans Petter Selasky cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); 26168e6e287fSHans Petter Selasky if (IS_ERR(cq)) { 26178e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); 26188e6e287fSHans Petter Selasky ret = PTR_ERR(cq); 26198e6e287fSHans Petter Selasky goto error_2; 262012515907SHans Petter Selasky } 262112515907SHans Petter Selasky 26228e6e287fSHans Petter Selasky init_attr->send_cq = cq; 26238e6e287fSHans Petter Selasky init_attr->recv_cq = cq; 26248e6e287fSHans Petter Selasky init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; 26258e6e287fSHans Petter Selasky init_attr->cap.max_send_wr = MAX_UMR_WR; 26268e6e287fSHans Petter Selasky init_attr->cap.max_send_sge = 1; 26278e6e287fSHans Petter Selasky init_attr->qp_type = MLX5_IB_QPT_REG_UMR; 26288e6e287fSHans Petter Selasky init_attr->port_num = 1; 26298e6e287fSHans Petter Selasky qp = mlx5_ib_create_qp(pd, init_attr, NULL); 26308e6e287fSHans Petter Selasky if (IS_ERR(qp)) { 26318e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); 26328e6e287fSHans Petter Selasky ret = PTR_ERR(qp); 26338e6e287fSHans Petter Selasky goto error_3; 26348e6e287fSHans Petter Selasky } 26358e6e287fSHans Petter Selasky qp->device = &dev->ib_dev; 26368e6e287fSHans Petter Selasky qp->real_qp = qp; 26378e6e287fSHans Petter Selasky qp->uobject = NULL; 26388e6e287fSHans Petter Selasky qp->qp_type = MLX5_IB_QPT_REG_UMR; 26398e6e287fSHans Petter Selasky 26408e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_INIT; 26418e6e287fSHans Petter Selasky attr->port_num = 1; 26428e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | 26438e6e287fSHans Petter Selasky IB_QP_PORT, NULL); 26448e6e287fSHans Petter Selasky if (ret) { 26458e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); 26468e6e287fSHans Petter Selasky goto error_4; 26478e6e287fSHans Petter Selasky } 26488e6e287fSHans Petter Selasky 26498e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 26508e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTR; 26518e6e287fSHans Petter Selasky attr->path_mtu = IB_MTU_256; 26528e6e287fSHans Petter Selasky 26538e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 26548e6e287fSHans Petter Selasky if (ret) { 26558e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); 26568e6e287fSHans Petter Selasky goto error_4; 26578e6e287fSHans Petter Selasky } 26588e6e287fSHans Petter Selasky 26598e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 26608e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTS; 26618e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 26628e6e287fSHans Petter Selasky if (ret) { 26638e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); 26648e6e287fSHans Petter Selasky goto error_4; 26658e6e287fSHans Petter Selasky } 26668e6e287fSHans Petter Selasky 26678e6e287fSHans Petter Selasky dev->umrc.qp = qp; 26688e6e287fSHans Petter Selasky dev->umrc.cq = cq; 266912515907SHans Petter Selasky dev->umrc.pd = pd; 267012515907SHans Petter Selasky 26718e6e287fSHans Petter Selasky sema_init(&dev->umrc.sem, MAX_UMR_WR); 267212515907SHans Petter Selasky ret = mlx5_mr_cache_init(dev); 267312515907SHans Petter Selasky if (ret) { 267412515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); 267512515907SHans Petter Selasky goto error_4; 267612515907SHans Petter Selasky } 267712515907SHans Petter Selasky 26788e6e287fSHans Petter Selasky kfree(attr); 26798e6e287fSHans Petter Selasky kfree(init_attr); 26808e6e287fSHans Petter Selasky 268112515907SHans Petter Selasky return 0; 268212515907SHans Petter Selasky 268312515907SHans Petter Selasky error_4: 26848e6e287fSHans Petter Selasky mlx5_ib_destroy_qp(qp); 26858e6e287fSHans Petter Selasky 26868e6e287fSHans Petter Selasky error_3: 26878e6e287fSHans Petter Selasky ib_free_cq(cq); 26888e6e287fSHans Petter Selasky 26898e6e287fSHans Petter Selasky error_2: 269012515907SHans Petter Selasky ib_dealloc_pd(pd); 26918e6e287fSHans Petter Selasky 269212515907SHans Petter Selasky error_0: 26938e6e287fSHans Petter Selasky kfree(attr); 26948e6e287fSHans Petter Selasky kfree(init_attr); 269512515907SHans Petter Selasky return ret; 269612515907SHans Petter Selasky } 269712515907SHans Petter Selasky 269812515907SHans Petter Selasky static int create_dev_resources(struct mlx5_ib_resources *devr) 269912515907SHans Petter Selasky { 270012515907SHans Petter Selasky struct ib_srq_init_attr attr; 270112515907SHans Petter Selasky struct mlx5_ib_dev *dev; 270212515907SHans Petter Selasky struct ib_cq_init_attr cq_attr = {.cqe = 1}; 27038e6e287fSHans Petter Selasky int port; 27048e6e287fSHans Petter Selasky int ret = 0; 270512515907SHans Petter Selasky 270612515907SHans Petter Selasky dev = container_of(devr, struct mlx5_ib_dev, devr); 270712515907SHans Petter Selasky 27088e6e287fSHans Petter Selasky mutex_init(&devr->mutex); 27098e6e287fSHans Petter Selasky 271012515907SHans Petter Selasky devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); 271112515907SHans Petter Selasky if (IS_ERR(devr->p0)) { 271212515907SHans Petter Selasky ret = PTR_ERR(devr->p0); 271312515907SHans Petter Selasky goto error0; 271412515907SHans Petter Selasky } 271512515907SHans Petter Selasky devr->p0->device = &dev->ib_dev; 271612515907SHans Petter Selasky devr->p0->uobject = NULL; 271712515907SHans Petter Selasky atomic_set(&devr->p0->usecnt, 0); 271812515907SHans Petter Selasky 271912515907SHans Petter Selasky devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); 272012515907SHans Petter Selasky if (IS_ERR(devr->c0)) { 272112515907SHans Petter Selasky ret = PTR_ERR(devr->c0); 272212515907SHans Petter Selasky goto error1; 272312515907SHans Petter Selasky } 272412515907SHans Petter Selasky devr->c0->device = &dev->ib_dev; 272512515907SHans Petter Selasky devr->c0->uobject = NULL; 272612515907SHans Petter Selasky devr->c0->comp_handler = NULL; 272712515907SHans Petter Selasky devr->c0->event_handler = NULL; 272812515907SHans Petter Selasky devr->c0->cq_context = NULL; 272912515907SHans Petter Selasky atomic_set(&devr->c0->usecnt, 0); 273012515907SHans Petter Selasky 273112515907SHans Petter Selasky devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); 273212515907SHans Petter Selasky if (IS_ERR(devr->x0)) { 273312515907SHans Petter Selasky ret = PTR_ERR(devr->x0); 273412515907SHans Petter Selasky goto error2; 273512515907SHans Petter Selasky } 273612515907SHans Petter Selasky devr->x0->device = &dev->ib_dev; 273712515907SHans Petter Selasky devr->x0->inode = NULL; 273812515907SHans Petter Selasky atomic_set(&devr->x0->usecnt, 0); 273912515907SHans Petter Selasky mutex_init(&devr->x0->tgt_qp_mutex); 274012515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x0->tgt_qp_list); 274112515907SHans Petter Selasky 274212515907SHans Petter Selasky devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); 274312515907SHans Petter Selasky if (IS_ERR(devr->x1)) { 274412515907SHans Petter Selasky ret = PTR_ERR(devr->x1); 274512515907SHans Petter Selasky goto error3; 274612515907SHans Petter Selasky } 274712515907SHans Petter Selasky devr->x1->device = &dev->ib_dev; 274812515907SHans Petter Selasky devr->x1->inode = NULL; 274912515907SHans Petter Selasky atomic_set(&devr->x1->usecnt, 0); 275012515907SHans Petter Selasky mutex_init(&devr->x1->tgt_qp_mutex); 275112515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x1->tgt_qp_list); 275212515907SHans Petter Selasky 275312515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 275412515907SHans Petter Selasky attr.attr.max_sge = 1; 275512515907SHans Petter Selasky attr.attr.max_wr = 1; 275612515907SHans Petter Selasky attr.srq_type = IB_SRQT_XRC; 275712515907SHans Petter Selasky attr.ext.xrc.cq = devr->c0; 275812515907SHans Petter Selasky attr.ext.xrc.xrcd = devr->x0; 275912515907SHans Petter Selasky 276012515907SHans Petter Selasky devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); 276112515907SHans Petter Selasky if (IS_ERR(devr->s0)) { 276212515907SHans Petter Selasky ret = PTR_ERR(devr->s0); 276312515907SHans Petter Selasky goto error4; 276412515907SHans Petter Selasky } 276512515907SHans Petter Selasky devr->s0->device = &dev->ib_dev; 276612515907SHans Petter Selasky devr->s0->pd = devr->p0; 276712515907SHans Petter Selasky devr->s0->uobject = NULL; 276812515907SHans Petter Selasky devr->s0->event_handler = NULL; 276912515907SHans Petter Selasky devr->s0->srq_context = NULL; 277012515907SHans Petter Selasky devr->s0->srq_type = IB_SRQT_XRC; 277112515907SHans Petter Selasky devr->s0->ext.xrc.xrcd = devr->x0; 277212515907SHans Petter Selasky devr->s0->ext.xrc.cq = devr->c0; 277312515907SHans Petter Selasky atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); 277412515907SHans Petter Selasky atomic_inc(&devr->s0->ext.xrc.cq->usecnt); 277512515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 277612515907SHans Petter Selasky atomic_set(&devr->s0->usecnt, 0); 277712515907SHans Petter Selasky 277812515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 277912515907SHans Petter Selasky attr.attr.max_sge = 1; 278012515907SHans Petter Selasky attr.attr.max_wr = 1; 278112515907SHans Petter Selasky attr.srq_type = IB_SRQT_BASIC; 278212515907SHans Petter Selasky devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); 278312515907SHans Petter Selasky if (IS_ERR(devr->s1)) { 278412515907SHans Petter Selasky ret = PTR_ERR(devr->s1); 278512515907SHans Petter Selasky goto error5; 278612515907SHans Petter Selasky } 278712515907SHans Petter Selasky devr->s1->device = &dev->ib_dev; 278812515907SHans Petter Selasky devr->s1->pd = devr->p0; 278912515907SHans Petter Selasky devr->s1->uobject = NULL; 279012515907SHans Petter Selasky devr->s1->event_handler = NULL; 279112515907SHans Petter Selasky devr->s1->srq_context = NULL; 279212515907SHans Petter Selasky devr->s1->srq_type = IB_SRQT_BASIC; 279312515907SHans Petter Selasky devr->s1->ext.xrc.cq = devr->c0; 279412515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 27958e6e287fSHans Petter Selasky atomic_set(&devr->s0->usecnt, 0); 27968e6e287fSHans Petter Selasky 27978e6e287fSHans Petter Selasky for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { 27988e6e287fSHans Petter Selasky INIT_WORK(&devr->ports[port].pkey_change_work, 27998e6e287fSHans Petter Selasky pkey_change_handler); 28008e6e287fSHans Petter Selasky devr->ports[port].devr = devr; 28018e6e287fSHans Petter Selasky } 280212515907SHans Petter Selasky 280312515907SHans Petter Selasky return 0; 280412515907SHans Petter Selasky 280512515907SHans Petter Selasky error5: 280612515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s0); 280712515907SHans Petter Selasky error4: 280812515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1); 280912515907SHans Petter Selasky error3: 281012515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0); 281112515907SHans Petter Selasky error2: 281212515907SHans Petter Selasky mlx5_ib_destroy_cq(devr->c0); 281312515907SHans Petter Selasky error1: 281412515907SHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0); 281512515907SHans Petter Selasky error0: 281612515907SHans Petter Selasky return ret; 281712515907SHans Petter Selasky } 281812515907SHans Petter Selasky 281912515907SHans Petter Selasky static void destroy_dev_resources(struct mlx5_ib_resources *devr) 282012515907SHans Petter Selasky { 28218e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = 28228e6e287fSHans Petter Selasky container_of(devr, struct mlx5_ib_dev, devr); 28238e6e287fSHans Petter Selasky int port; 28248e6e287fSHans Petter Selasky 282512515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s1); 282612515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s0); 282712515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0); 282812515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1); 282912515907SHans Petter Selasky mlx5_ib_destroy_cq(devr->c0); 283012515907SHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0); 28318e6e287fSHans Petter Selasky 28328e6e287fSHans Petter Selasky /* Make sure no change P_Key work items are still executing */ 28338e6e287fSHans Petter Selasky for (port = 0; port < dev->num_ports; ++port) 28348e6e287fSHans Petter Selasky cancel_work_sync(&devr->ports[port].pkey_change_work); 283512515907SHans Petter Selasky } 283612515907SHans Petter Selasky 2837d05554bbSHans Petter Selasky static u32 get_core_cap_flags(struct ib_device *ibdev) 2838d05554bbSHans Petter Selasky { 2839d05554bbSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 2840d05554bbSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); 2841d05554bbSHans Petter Selasky u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); 2842d05554bbSHans Petter Selasky u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); 2843d05554bbSHans Petter Selasky u32 ret = 0; 2844d05554bbSHans Petter Selasky 2845d05554bbSHans Petter Selasky if (ll == IB_LINK_LAYER_INFINIBAND) 2846d05554bbSHans Petter Selasky return RDMA_CORE_PORT_IBA_IB; 2847d05554bbSHans Petter Selasky 2848d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) 28498e6e287fSHans Petter Selasky return 0; 2850d05554bbSHans Petter Selasky 2851d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) 28528e6e287fSHans Petter Selasky return 0; 2853d05554bbSHans Petter Selasky 2854d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) 2855d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE; 2856d05554bbSHans Petter Selasky 2857d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) 2858d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; 2859d05554bbSHans Petter Selasky 2860d05554bbSHans Petter Selasky return ret; 2861d05554bbSHans Petter Selasky } 2862d05554bbSHans Petter Selasky 2863d05554bbSHans Petter Selasky static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, 2864d05554bbSHans Petter Selasky struct ib_port_immutable *immutable) 2865d05554bbSHans Petter Selasky { 2866d05554bbSHans Petter Selasky struct ib_port_attr attr; 2867d05554bbSHans Petter Selasky int err; 2868d05554bbSHans Petter Selasky 28698e6e287fSHans Petter Selasky err = mlx5_ib_query_port(ibdev, port_num, &attr); 2870d05554bbSHans Petter Selasky if (err) 2871d05554bbSHans Petter Selasky return err; 2872d05554bbSHans Petter Selasky 2873d05554bbSHans Petter Selasky immutable->pkey_tbl_len = attr.pkey_tbl_len; 2874d05554bbSHans Petter Selasky immutable->gid_tbl_len = attr.gid_tbl_len; 2875d05554bbSHans Petter Selasky immutable->core_cap_flags = get_core_cap_flags(ibdev); 2876d05554bbSHans Petter Selasky immutable->max_mad_size = IB_MGMT_MAD_SIZE; 2877d05554bbSHans Petter Selasky 2878d05554bbSHans Petter Selasky return 0; 2879d05554bbSHans Petter Selasky } 2880d05554bbSHans Petter Selasky 28818e6e287fSHans Petter Selasky static void get_dev_fw_str(struct ib_device *ibdev, char *str, 28828e6e287fSHans Petter Selasky size_t str_len) 288312515907SHans Petter Selasky { 28848e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = 28858e6e287fSHans Petter Selasky container_of(ibdev, struct mlx5_ib_dev, ib_dev); 28868e6e287fSHans Petter Selasky snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev), 28878e6e287fSHans Petter Selasky fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); 28888e6e287fSHans Petter Selasky } 28898e6e287fSHans Petter Selasky 28908e6e287fSHans Petter Selasky static int mlx5_roce_lag_init(struct mlx5_ib_dev *dev) 28918e6e287fSHans Petter Selasky { 28928e6e287fSHans Petter Selasky return 0; 28938e6e287fSHans Petter Selasky } 28948e6e287fSHans Petter Selasky 28958e6e287fSHans Petter Selasky static void mlx5_roce_lag_cleanup(struct mlx5_ib_dev *dev) 28968e6e287fSHans Petter Selasky { 28978e6e287fSHans Petter Selasky } 28988e6e287fSHans Petter Selasky 28998e6e287fSHans Petter Selasky static void mlx5_remove_roce_notifier(struct mlx5_ib_dev *dev) 29008e6e287fSHans Petter Selasky { 29018e6e287fSHans Petter Selasky if (dev->roce.nb.notifier_call) { 29028e6e287fSHans Petter Selasky unregister_netdevice_notifier(&dev->roce.nb); 29038e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 29048e6e287fSHans Petter Selasky } 29058e6e287fSHans Petter Selasky } 29068e6e287fSHans Petter Selasky 29078e6e287fSHans Petter Selasky static int mlx5_enable_roce(struct mlx5_ib_dev *dev) 29088e6e287fSHans Petter Selasky { 29098e6e287fSHans Petter Selasky VNET_ITERATOR_DECL(vnet_iter); 29108e6e287fSHans Petter Selasky struct net_device *idev; 291112515907SHans Petter Selasky int err; 291212515907SHans Petter Selasky 29138e6e287fSHans Petter Selasky /* Check if mlx5en net device already exists */ 29148e6e287fSHans Petter Selasky VNET_LIST_RLOCK(); 29158e6e287fSHans Petter Selasky VNET_FOREACH(vnet_iter) { 29168e6e287fSHans Petter Selasky IFNET_RLOCK(); 29178e6e287fSHans Petter Selasky CURVNET_SET_QUIET(vnet_iter); 29184f6c66ccSMatt Macy CK_STAILQ_FOREACH(idev, &V_ifnet, if_link) { 29198e6e287fSHans Petter Selasky /* check if network interface belongs to mlx5en */ 29208e6e287fSHans Petter Selasky if (!mlx5_netdev_match(idev, dev->mdev, "mce")) 29218e6e287fSHans Petter Selasky continue; 29228e6e287fSHans Petter Selasky write_lock(&dev->roce.netdev_lock); 29238e6e287fSHans Petter Selasky dev->roce.netdev = idev; 29248e6e287fSHans Petter Selasky write_unlock(&dev->roce.netdev_lock); 292512515907SHans Petter Selasky } 29268e6e287fSHans Petter Selasky CURVNET_RESTORE(); 29278e6e287fSHans Petter Selasky IFNET_RUNLOCK(); 292812515907SHans Petter Selasky } 29298e6e287fSHans Petter Selasky VNET_LIST_RUNLOCK(); 293012515907SHans Petter Selasky 29318e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = mlx5_netdev_event; 29328e6e287fSHans Petter Selasky err = register_netdevice_notifier(&dev->roce.nb); 293312515907SHans Petter Selasky if (err) { 29348e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 29358e6e287fSHans Petter Selasky return err; 293612515907SHans Petter Selasky } 293712515907SHans Petter Selasky 29388e6e287fSHans Petter Selasky err = mlx5_nic_vport_enable_roce(dev->mdev); 29398e6e287fSHans Petter Selasky if (err) 29408e6e287fSHans Petter Selasky goto err_unregister_netdevice_notifier; 294112515907SHans Petter Selasky 29428e6e287fSHans Petter Selasky err = mlx5_roce_lag_init(dev); 29438e6e287fSHans Petter Selasky if (err) 29448e6e287fSHans Petter Selasky goto err_disable_roce; 294512515907SHans Petter Selasky 294612515907SHans Petter Selasky return 0; 294712515907SHans Petter Selasky 29488e6e287fSHans Petter Selasky err_disable_roce: 29498e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 295012515907SHans Petter Selasky 29518e6e287fSHans Petter Selasky err_unregister_netdevice_notifier: 29528e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 29538e6e287fSHans Petter Selasky return err; 295412515907SHans Petter Selasky } 295512515907SHans Petter Selasky 29568e6e287fSHans Petter Selasky static void mlx5_disable_roce(struct mlx5_ib_dev *dev) 295712515907SHans Petter Selasky { 29588e6e287fSHans Petter Selasky mlx5_roce_lag_cleanup(dev); 29598e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 296012515907SHans Petter Selasky } 296112515907SHans Petter Selasky 296212515907SHans Petter Selasky static void mlx5_ib_dealloc_q_port_counter(struct mlx5_ib_dev *dev, u8 port_num) 296312515907SHans Petter Selasky { 296412515907SHans Petter Selasky mlx5_vport_dealloc_q_counter(dev->mdev, 296512515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 296612515907SHans Petter Selasky dev->port[port_num].q_cnt_id); 296712515907SHans Petter Selasky dev->port[port_num].q_cnt_id = 0; 296812515907SHans Petter Selasky } 296912515907SHans Petter Selasky 297012515907SHans Petter Selasky static void mlx5_ib_dealloc_q_counters(struct mlx5_ib_dev *dev) 297112515907SHans Petter Selasky { 297212515907SHans Petter Selasky unsigned int i; 297312515907SHans Petter Selasky 297412515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) 297512515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 297612515907SHans Petter Selasky } 297712515907SHans Petter Selasky 297812515907SHans Petter Selasky static int mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev) 297912515907SHans Petter Selasky { 298012515907SHans Petter Selasky int i; 298112515907SHans Petter Selasky int ret; 298212515907SHans Petter Selasky 298312515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) { 298412515907SHans Petter Selasky ret = mlx5_vport_alloc_q_counter(dev->mdev, 298512515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 298612515907SHans Petter Selasky &dev->port[i].q_cnt_id); 298712515907SHans Petter Selasky if (ret) { 298812515907SHans Petter Selasky mlx5_ib_warn(dev, 29898e6e287fSHans Petter Selasky "couldn't allocate queue counter for port %d, err %d\n", 29908e6e287fSHans Petter Selasky i + 1, ret); 299112515907SHans Petter Selasky goto dealloc_counters; 299212515907SHans Petter Selasky } 299312515907SHans Petter Selasky } 299412515907SHans Petter Selasky 299512515907SHans Petter Selasky return 0; 299612515907SHans Petter Selasky 299712515907SHans Petter Selasky dealloc_counters: 299812515907SHans Petter Selasky while (--i >= 0) 299912515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 300012515907SHans Petter Selasky 300112515907SHans Petter Selasky return ret; 300212515907SHans Petter Selasky } 300312515907SHans Petter Selasky 30048e6e287fSHans Petter Selasky static const char * const names[] = { 30058e6e287fSHans Petter Selasky "rx_write_requests", 30068e6e287fSHans Petter Selasky "rx_read_requests", 30078e6e287fSHans Petter Selasky "rx_atomic_requests", 30088e6e287fSHans Petter Selasky "out_of_buffer", 30098e6e287fSHans Petter Selasky "out_of_sequence", 30108e6e287fSHans Petter Selasky "duplicate_request", 30118e6e287fSHans Petter Selasky "rnr_nak_retry_err", 30128e6e287fSHans Petter Selasky "packet_seq_err", 30138e6e287fSHans Petter Selasky "implied_nak_seq_err", 30148e6e287fSHans Petter Selasky "local_ack_timeout_err", 301512515907SHans Petter Selasky }; 301612515907SHans Petter Selasky 30178e6e287fSHans Petter Selasky static const size_t stats_offsets[] = { 30188e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_write_requests), 30198e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_read_requests), 30208e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_atomic_requests), 30218e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_buffer), 30228e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_sequence), 30238e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, duplicate_request), 30248e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rnr_nak_retry_err), 30258e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, packet_seq_err), 30268e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, implied_nak_seq_err), 30278e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, local_ack_timeout_err), 302812515907SHans Petter Selasky }; 302912515907SHans Petter Selasky 30308e6e287fSHans Petter Selasky static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, 30318e6e287fSHans Petter Selasky u8 port_num) 303212515907SHans Petter Selasky { 30338e6e287fSHans Petter Selasky BUILD_BUG_ON(ARRAY_SIZE(names) != ARRAY_SIZE(stats_offsets)); 303412515907SHans Petter Selasky 30358e6e287fSHans Petter Selasky /* We support only per port stats */ 30368e6e287fSHans Petter Selasky if (port_num == 0) 30378e6e287fSHans Petter Selasky return NULL; 303812515907SHans Petter Selasky 30398e6e287fSHans Petter Selasky return rdma_alloc_hw_stats_struct(names, ARRAY_SIZE(names), 30408e6e287fSHans Petter Selasky RDMA_HW_STATS_DEFAULT_LIFESPAN); 304112515907SHans Petter Selasky } 304212515907SHans Petter Selasky 30438e6e287fSHans Petter Selasky static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, 30448e6e287fSHans Petter Selasky struct rdma_hw_stats *stats, 30458e6e287fSHans Petter Selasky u8 port, int index) 304612515907SHans Petter Selasky { 30478e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 304812515907SHans Petter Selasky int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); 304912515907SHans Petter Selasky void *out; 30508e6e287fSHans Petter Selasky __be32 val; 305112515907SHans Petter Selasky int ret; 30528e6e287fSHans Petter Selasky int i; 30538e6e287fSHans Petter Selasky 30548e6e287fSHans Petter Selasky if (!port || !stats) 30558e6e287fSHans Petter Selasky return -ENOSYS; 305612515907SHans Petter Selasky 305712515907SHans Petter Selasky out = mlx5_vzalloc(outlen); 305812515907SHans Petter Selasky if (!out) 305912515907SHans Petter Selasky return -ENOMEM; 306012515907SHans Petter Selasky 30618e6e287fSHans Petter Selasky ret = mlx5_vport_query_q_counter(dev->mdev, 30628e6e287fSHans Petter Selasky dev->port[port - 1].q_cnt_id, 0, 306312515907SHans Petter Selasky out, outlen); 306412515907SHans Petter Selasky if (ret) 306512515907SHans Petter Selasky goto free; 306612515907SHans Petter Selasky 30678e6e287fSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(names); i++) { 30688e6e287fSHans Petter Selasky val = *(__be32 *)(out + stats_offsets[i]); 30698e6e287fSHans Petter Selasky stats->value[i] = (u64)be32_to_cpu(val); 30708e6e287fSHans Petter Selasky } 307112515907SHans Petter Selasky free: 30728e6e287fSHans Petter Selasky kvfree(out); 30738e6e287fSHans Petter Selasky return ARRAY_SIZE(names); 307412515907SHans Petter Selasky } 307512515907SHans Petter Selasky 307612515907SHans Petter Selasky static void *mlx5_ib_add(struct mlx5_core_dev *mdev) 307712515907SHans Petter Selasky { 307812515907SHans Petter Selasky struct mlx5_ib_dev *dev; 30798e6e287fSHans Petter Selasky enum rdma_link_layer ll; 30808e6e287fSHans Petter Selasky int port_type_cap; 308112515907SHans Petter Selasky int err; 308212515907SHans Petter Selasky int i; 308312515907SHans Petter Selasky 30848e6e287fSHans Petter Selasky port_type_cap = MLX5_CAP_GEN(mdev, port_type); 30858e6e287fSHans Petter Selasky ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); 30868e6e287fSHans Petter Selasky 30878e6e287fSHans Petter Selasky if ((ll == IB_LINK_LAYER_ETHERNET) && !MLX5_CAP_GEN(mdev, roce)) 30888e6e287fSHans Petter Selasky return NULL; 30898e6e287fSHans Petter Selasky 309012515907SHans Petter Selasky dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); 309112515907SHans Petter Selasky if (!dev) 309212515907SHans Petter Selasky return NULL; 309312515907SHans Petter Selasky 309412515907SHans Petter Selasky dev->mdev = mdev; 309512515907SHans Petter Selasky 309612515907SHans Petter Selasky dev->port = kcalloc(MLX5_CAP_GEN(mdev, num_ports), sizeof(*dev->port), 309712515907SHans Petter Selasky GFP_KERNEL); 309812515907SHans Petter Selasky if (!dev->port) 309912515907SHans Petter Selasky goto err_dealloc; 310012515907SHans Petter Selasky 31018e6e287fSHans Petter Selasky rwlock_init(&dev->roce.netdev_lock); 310212515907SHans Petter Selasky err = get_port_caps(dev); 310312515907SHans Petter Selasky if (err) 310412515907SHans Petter Selasky goto err_free_port; 310512515907SHans Petter Selasky 310612515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 310712515907SHans Petter Selasky get_ext_port_caps(dev); 310812515907SHans Petter Selasky 310912515907SHans Petter Selasky MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock); 311012515907SHans Petter Selasky 311114a1b9bdSHans Petter Selasky snprintf(dev->ib_dev.name, IB_DEVICE_NAME_MAX, "mlx5_%d", device_get_unit(mdev->pdev->dev.bsddev)); 311212515907SHans Petter Selasky dev->ib_dev.owner = THIS_MODULE; 311312515907SHans Petter Selasky dev->ib_dev.node_type = RDMA_NODE_IB_CA; 31148e6e287fSHans Petter Selasky dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; 311512515907SHans Petter Selasky dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); 311612515907SHans Petter Selasky dev->ib_dev.phys_port_cnt = dev->num_ports; 311712515907SHans Petter Selasky dev->ib_dev.num_comp_vectors = 311812515907SHans Petter Selasky dev->mdev->priv.eq_table.num_comp_vectors; 311912515907SHans Petter Selasky dev->ib_dev.dma_device = &mdev->pdev->dev; 312012515907SHans Petter Selasky 312112515907SHans Petter Selasky dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; 312212515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask = 312312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | 312412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | 312512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | 312612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | 312712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | 31281456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_AH) | 31291456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | 313012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REG_MR) | 31318e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REREG_MR) | 313212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEREG_MR) | 313312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | 313412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | 313512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | 313612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | 313712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_QP) | 313812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | 313912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_QP) | 314012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | 314112515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | 314212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | 314312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | 314412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | 314512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | 314612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | 314712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | 314812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_QP); 31498e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask = 31508e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | 31518e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | 31528e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP); 315312515907SHans Petter Selasky 315412515907SHans Petter Selasky dev->ib_dev.query_device = mlx5_ib_query_device; 315512515907SHans Petter Selasky dev->ib_dev.query_port = mlx5_ib_query_port; 315612515907SHans Petter Selasky dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; 31578e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 315812515907SHans Petter Selasky dev->ib_dev.get_netdev = mlx5_ib_get_netdev; 315912515907SHans Petter Selasky dev->ib_dev.query_gid = mlx5_ib_query_gid; 31608e6e287fSHans Petter Selasky dev->ib_dev.add_gid = mlx5_ib_add_gid; 31618e6e287fSHans Petter Selasky dev->ib_dev.del_gid = mlx5_ib_del_gid; 316212515907SHans Petter Selasky dev->ib_dev.query_pkey = mlx5_ib_query_pkey; 316312515907SHans Petter Selasky dev->ib_dev.modify_device = mlx5_ib_modify_device; 316412515907SHans Petter Selasky dev->ib_dev.modify_port = mlx5_ib_modify_port; 316512515907SHans Petter Selasky dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; 316612515907SHans Petter Selasky dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; 316712515907SHans Petter Selasky dev->ib_dev.mmap = mlx5_ib_mmap; 316812515907SHans Petter Selasky dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; 316912515907SHans Petter Selasky dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; 317012515907SHans Petter Selasky dev->ib_dev.create_ah = mlx5_ib_create_ah; 317112515907SHans Petter Selasky dev->ib_dev.query_ah = mlx5_ib_query_ah; 317212515907SHans Petter Selasky dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; 317312515907SHans Petter Selasky dev->ib_dev.create_srq = mlx5_ib_create_srq; 317412515907SHans Petter Selasky dev->ib_dev.modify_srq = mlx5_ib_modify_srq; 317512515907SHans Petter Selasky dev->ib_dev.query_srq = mlx5_ib_query_srq; 317612515907SHans Petter Selasky dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; 317712515907SHans Petter Selasky dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; 317812515907SHans Petter Selasky dev->ib_dev.create_qp = mlx5_ib_create_qp; 317912515907SHans Petter Selasky dev->ib_dev.modify_qp = mlx5_ib_modify_qp; 318012515907SHans Petter Selasky dev->ib_dev.query_qp = mlx5_ib_query_qp; 318112515907SHans Petter Selasky dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; 318212515907SHans Petter Selasky dev->ib_dev.post_send = mlx5_ib_post_send; 318312515907SHans Petter Selasky dev->ib_dev.post_recv = mlx5_ib_post_recv; 318412515907SHans Petter Selasky dev->ib_dev.create_cq = mlx5_ib_create_cq; 318512515907SHans Petter Selasky dev->ib_dev.modify_cq = mlx5_ib_modify_cq; 318612515907SHans Petter Selasky dev->ib_dev.resize_cq = mlx5_ib_resize_cq; 318712515907SHans Petter Selasky dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; 318812515907SHans Petter Selasky dev->ib_dev.poll_cq = mlx5_ib_poll_cq; 318912515907SHans Petter Selasky dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; 319012515907SHans Petter Selasky dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; 319112515907SHans Petter Selasky dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; 31928e6e287fSHans Petter Selasky dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; 319312515907SHans Petter Selasky dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; 319412515907SHans Petter Selasky dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; 319512515907SHans Petter Selasky dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; 319612515907SHans Petter Selasky dev->ib_dev.process_mad = mlx5_ib_process_mad; 31978e6e287fSHans Petter Selasky dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; 31988e6e287fSHans Petter Selasky dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; 31998e6e287fSHans Petter Selasky dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; 3200d05554bbSHans Petter Selasky dev->ib_dev.get_port_immutable = mlx5_port_immutable; 32018e6e287fSHans Petter Selasky dev->ib_dev.get_dev_fw_str = get_dev_fw_str; 32028e6e287fSHans Petter Selasky if (mlx5_core_is_pf(mdev)) { 32038e6e287fSHans Petter Selasky dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; 32048e6e287fSHans Petter Selasky dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; 32058e6e287fSHans Petter Selasky dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; 32068e6e287fSHans Petter Selasky dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; 32078e6e287fSHans Petter Selasky } 32088e6e287fSHans Petter Selasky 3209a3a31fdeSHans Petter Selasky dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext; 3210a3a31fdeSHans Petter Selasky 32118e6e287fSHans Petter Selasky mlx5_ib_internal_fill_odp_caps(dev); 32128e6e287fSHans Petter Selasky 32138e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 32148e6e287fSHans Petter Selasky dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; 32158e6e287fSHans Petter Selasky dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; 32168e6e287fSHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 32178e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | 32188e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); 32198e6e287fSHans Petter Selasky } 32208e6e287fSHans Petter Selasky 32218e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt) && 32228e6e287fSHans Petter Selasky MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { 32238e6e287fSHans Petter Selasky dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; 32248e6e287fSHans Petter Selasky dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; 32258e6e287fSHans Petter Selasky } 322612515907SHans Petter Selasky 322712515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) { 322812515907SHans Petter Selasky dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; 322912515907SHans Petter Selasky dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; 323012515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 323112515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | 323212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); 323312515907SHans Petter Selasky } 323412515907SHans Petter Selasky 32358e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&dev->ib_dev, 1) == 32368e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 32378e6e287fSHans Petter Selasky dev->ib_dev.create_flow = mlx5_ib_create_flow; 32388e6e287fSHans Petter Selasky dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; 32398e6e287fSHans Petter Selasky dev->ib_dev.create_wq = mlx5_ib_create_wq; 32408e6e287fSHans Petter Selasky dev->ib_dev.modify_wq = mlx5_ib_modify_wq; 32418e6e287fSHans Petter Selasky dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; 32428e6e287fSHans Petter Selasky dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; 32438e6e287fSHans Petter Selasky dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; 32448e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask |= 32458e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | 32468e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | 32478e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | 32488e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | 32498e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | 32508e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | 32518e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); 32528e6e287fSHans Petter Selasky } 325312515907SHans Petter Selasky err = init_node_data(dev); 325412515907SHans Petter Selasky if (err) 32558e6e287fSHans Petter Selasky goto err_free_port; 325612515907SHans Petter Selasky 32578e6e287fSHans Petter Selasky mutex_init(&dev->flow_db.lock); 325812515907SHans Petter Selasky mutex_init(&dev->cap_mask_mutex); 325912515907SHans Petter Selasky INIT_LIST_HEAD(&dev->qp_list); 326012515907SHans Petter Selasky spin_lock_init(&dev->reset_flow_resource_lock); 326112515907SHans Petter Selasky 32628e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 32638e6e287fSHans Petter Selasky err = mlx5_enable_roce(dev); 32648e6e287fSHans Petter Selasky if (err) 32658e6e287fSHans Petter Selasky goto err_free_port; 32668e6e287fSHans Petter Selasky } 32678e6e287fSHans Petter Selasky 326812515907SHans Petter Selasky err = create_dev_resources(&dev->devr); 326912515907SHans Petter Selasky if (err) 327012515907SHans Petter Selasky goto err_disable_roce; 327112515907SHans Petter Selasky 32728e6e287fSHans Petter Selasky err = mlx5_ib_odp_init_one(dev); 32738e6e287fSHans Petter Selasky if (err) 32748e6e287fSHans Petter Selasky goto err_rsrc; 327512515907SHans Petter Selasky 327612515907SHans Petter Selasky err = mlx5_ib_alloc_q_counters(dev); 327712515907SHans Petter Selasky if (err) 327812515907SHans Petter Selasky goto err_odp; 327912515907SHans Petter Selasky 328012515907SHans Petter Selasky err = ib_register_device(&dev->ib_dev, NULL); 328112515907SHans Petter Selasky if (err) 328212515907SHans Petter Selasky goto err_q_cnt; 328312515907SHans Petter Selasky 328412515907SHans Petter Selasky err = create_umr_res(dev); 328512515907SHans Petter Selasky if (err) 328612515907SHans Petter Selasky goto err_dev; 328712515907SHans Petter Selasky 328812515907SHans Petter Selasky for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { 328912515907SHans Petter Selasky err = device_create_file(&dev->ib_dev.dev, 329012515907SHans Petter Selasky mlx5_class_attributes[i]); 329112515907SHans Petter Selasky if (err) 32928e6e287fSHans Petter Selasky goto err_umrc; 329312515907SHans Petter Selasky } 329412515907SHans Petter Selasky 3295118063fbSHans Petter Selasky err = mlx5_ib_init_congestion(dev); 3296118063fbSHans Petter Selasky if (err) 3297118063fbSHans Petter Selasky goto err_umrc; 3298118063fbSHans Petter Selasky 329912515907SHans Petter Selasky dev->ib_active = true; 330012515907SHans Petter Selasky 330112515907SHans Petter Selasky return dev; 330212515907SHans Petter Selasky 33038e6e287fSHans Petter Selasky err_umrc: 330412515907SHans Petter Selasky destroy_umrc_res(dev); 330512515907SHans Petter Selasky 330612515907SHans Petter Selasky err_dev: 330712515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 330812515907SHans Petter Selasky 330912515907SHans Petter Selasky err_q_cnt: 331012515907SHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 331112515907SHans Petter Selasky 331212515907SHans Petter Selasky err_odp: 33138e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 33148e6e287fSHans Petter Selasky 33158e6e287fSHans Petter Selasky err_rsrc: 331612515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 331712515907SHans Petter Selasky 331812515907SHans Petter Selasky err_disable_roce: 33198e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 33208e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 33218e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 33228e6e287fSHans Petter Selasky } 33238e6e287fSHans Petter Selasky 332412515907SHans Petter Selasky err_free_port: 332512515907SHans Petter Selasky kfree(dev->port); 332612515907SHans Petter Selasky 332712515907SHans Petter Selasky err_dealloc: 332812515907SHans Petter Selasky ib_dealloc_device((struct ib_device *)dev); 332912515907SHans Petter Selasky 333012515907SHans Petter Selasky return NULL; 333112515907SHans Petter Selasky } 333212515907SHans Petter Selasky 333312515907SHans Petter Selasky static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) 333412515907SHans Petter Selasky { 333512515907SHans Petter Selasky struct mlx5_ib_dev *dev = context; 33368e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, 1); 333712515907SHans Petter Selasky 3338118063fbSHans Petter Selasky mlx5_ib_cleanup_congestion(dev); 33398e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 334012515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 33418e6e287fSHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 334212515907SHans Petter Selasky destroy_umrc_res(dev); 33438e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 334412515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 33458e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 33468e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 334712515907SHans Petter Selasky kfree(dev->port); 334812515907SHans Petter Selasky ib_dealloc_device(&dev->ib_dev); 334912515907SHans Petter Selasky } 335012515907SHans Petter Selasky 335112515907SHans Petter Selasky static struct mlx5_interface mlx5_ib_interface = { 335212515907SHans Petter Selasky .add = mlx5_ib_add, 335312515907SHans Petter Selasky .remove = mlx5_ib_remove, 335412515907SHans Petter Selasky .event = mlx5_ib_event, 335512515907SHans Petter Selasky .protocol = MLX5_INTERFACE_PROTOCOL_IB, 335612515907SHans Petter Selasky }; 335712515907SHans Petter Selasky 335812515907SHans Petter Selasky static int __init mlx5_ib_init(void) 335912515907SHans Petter Selasky { 336012515907SHans Petter Selasky int err; 336112515907SHans Petter Selasky 33628e6e287fSHans Petter Selasky err = mlx5_ib_odp_init(); 33638e6e287fSHans Petter Selasky if (err) 33648e6e287fSHans Petter Selasky return err; 336512515907SHans Petter Selasky 336612515907SHans Petter Selasky err = mlx5_register_interface(&mlx5_ib_interface); 336712515907SHans Petter Selasky if (err) 336812515907SHans Petter Selasky goto clean_odp; 336912515907SHans Petter Selasky 337012515907SHans Petter Selasky return err; 337112515907SHans Petter Selasky 337212515907SHans Petter Selasky clean_odp: 33738e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 337412515907SHans Petter Selasky return err; 337512515907SHans Petter Selasky } 337612515907SHans Petter Selasky 337712515907SHans Petter Selasky static void __exit mlx5_ib_cleanup(void) 337812515907SHans Petter Selasky { 337912515907SHans Petter Selasky mlx5_unregister_interface(&mlx5_ib_interface); 33808e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 338112515907SHans Petter Selasky } 338212515907SHans Petter Selasky 338331c3f648SSlava Shwartsman static void 338431c3f648SSlava Shwartsman mlx5_ib_show_version(void __unused *arg) 338531c3f648SSlava Shwartsman { 338631c3f648SSlava Shwartsman 338731c3f648SSlava Shwartsman printf("%s", mlx5_version); 338831c3f648SSlava Shwartsman } 338931c3f648SSlava Shwartsman SYSINIT(mlx5_ib_show_version, SI_SUB_DRIVERS, SI_ORDER_ANY, mlx5_ib_show_version, NULL); 339031c3f648SSlava Shwartsman 339112515907SHans Petter Selasky module_init_order(mlx5_ib_init, SI_ORDER_THIRD); 339212515907SHans Petter Selasky module_exit_order(mlx5_ib_cleanup, SI_ORDER_THIRD); 3393