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 5312515907SHans Petter Selasky #define DRIVER_NAME "mlx5_ib" 548e6e287fSHans Petter Selasky #define DRIVER_VERSION "3.4.1-BETA" 558e6e287fSHans Petter Selasky #define DRIVER_RELDATE "October 2017" 5612515907SHans Petter Selasky 5712515907SHans Petter Selasky MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); 5812515907SHans Petter Selasky MODULE_LICENSE("Dual BSD/GPL"); 5912515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, linuxkpi, 1, 1, 1); 6012515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, mlx5, 1, 1, 1); 6112515907SHans Petter Selasky MODULE_DEPEND(mlx5ib, ibcore, 1, 1, 1); 6212515907SHans Petter Selasky MODULE_VERSION(mlx5ib, 1); 6312515907SHans Petter Selasky 6412515907SHans Petter Selasky static int deprecated_prof_sel = 2; 6512515907SHans Petter Selasky module_param_named(prof_sel, deprecated_prof_sel, int, 0444); 6612515907SHans Petter Selasky MODULE_PARM_DESC(prof_sel, "profile selector. Deprecated here. Moved to module mlx5_core"); 6712515907SHans Petter Selasky 6812515907SHans Petter Selasky static char mlx5_version[] = 6912515907SHans Petter Selasky DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v" 7012515907SHans Petter Selasky DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; 7112515907SHans Petter Selasky 728e6e287fSHans Petter Selasky enum { 738e6e287fSHans Petter Selasky MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, 748e6e287fSHans Petter Selasky }; 7512515907SHans Petter Selasky 7612515907SHans Petter Selasky static enum rdma_link_layer 778e6e287fSHans Petter Selasky mlx5_port_type_cap_to_rdma_ll(int port_type_cap) 7812515907SHans Petter Selasky { 798e6e287fSHans Petter Selasky switch (port_type_cap) { 8012515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_IB: 8112515907SHans Petter Selasky return IB_LINK_LAYER_INFINIBAND; 8212515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_ETH: 8312515907SHans Petter Selasky return IB_LINK_LAYER_ETHERNET; 8412515907SHans Petter Selasky default: 8512515907SHans Petter Selasky return IB_LINK_LAYER_UNSPECIFIED; 8612515907SHans Petter Selasky } 8712515907SHans Petter Selasky } 8812515907SHans Petter Selasky 898e6e287fSHans Petter Selasky static enum rdma_link_layer 908e6e287fSHans Petter Selasky mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) 918e6e287fSHans Petter Selasky { 928e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 938e6e287fSHans Petter Selasky int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); 948e6e287fSHans Petter Selasky 958e6e287fSHans Petter Selasky return mlx5_port_type_cap_to_rdma_ll(port_type_cap); 968e6e287fSHans Petter Selasky } 978e6e287fSHans Petter Selasky 988e6e287fSHans Petter Selasky static bool mlx5_netdev_match(struct net_device *ndev, 998e6e287fSHans Petter Selasky struct mlx5_core_dev *mdev, 1008e6e287fSHans Petter Selasky const char *dname) 1018e6e287fSHans Petter Selasky { 1028e6e287fSHans Petter Selasky return ndev->if_type == IFT_ETHER && 1038e6e287fSHans Petter Selasky ndev->if_dname != NULL && 1048e6e287fSHans Petter Selasky strcmp(ndev->if_dname, dname) == 0 && 1058e6e287fSHans Petter Selasky ndev->if_softc != NULL && 1068e6e287fSHans Petter Selasky *(struct mlx5_core_dev **)ndev->if_softc == mdev; 1078e6e287fSHans Petter Selasky } 1088e6e287fSHans Petter Selasky 1098e6e287fSHans Petter Selasky static int mlx5_netdev_event(struct notifier_block *this, 1108e6e287fSHans Petter Selasky unsigned long event, void *ptr) 1118e6e287fSHans Petter Selasky { 1128e6e287fSHans Petter Selasky struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 1138e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = container_of(this, struct mlx5_ib_dev, 1148e6e287fSHans Petter Selasky roce.nb); 1158e6e287fSHans Petter Selasky 1168e6e287fSHans Petter Selasky switch (event) { 1178e6e287fSHans Petter Selasky case NETDEV_REGISTER: 1188e6e287fSHans Petter Selasky case NETDEV_UNREGISTER: 1198e6e287fSHans Petter Selasky write_lock(&ibdev->roce.netdev_lock); 1208e6e287fSHans Petter Selasky /* check if network interface belongs to mlx5en */ 1218e6e287fSHans Petter Selasky if (mlx5_netdev_match(ndev, ibdev->mdev, "mce")) 1228e6e287fSHans Petter Selasky ibdev->roce.netdev = (event == NETDEV_UNREGISTER) ? 1238e6e287fSHans Petter Selasky NULL : ndev; 1248e6e287fSHans Petter Selasky write_unlock(&ibdev->roce.netdev_lock); 1258e6e287fSHans Petter Selasky break; 1268e6e287fSHans Petter Selasky 1278e6e287fSHans Petter Selasky case NETDEV_UP: 1288e6e287fSHans Petter Selasky case NETDEV_DOWN: { 1298e6e287fSHans Petter Selasky struct net_device *upper = NULL; 1308e6e287fSHans Petter Selasky 1318e6e287fSHans Petter Selasky if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) 1328e6e287fSHans Petter Selasky && ibdev->ib_active) { 1338e6e287fSHans Petter Selasky struct ib_event ibev = {0}; 1348e6e287fSHans Petter Selasky 1358e6e287fSHans Petter Selasky ibev.device = &ibdev->ib_dev; 1368e6e287fSHans Petter Selasky ibev.event = (event == NETDEV_UP) ? 1378e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 1388e6e287fSHans Petter Selasky ibev.element.port_num = 1; 1398e6e287fSHans Petter Selasky ib_dispatch_event(&ibev); 1408e6e287fSHans Petter Selasky } 1418e6e287fSHans Petter Selasky break; 1428e6e287fSHans Petter Selasky } 1438e6e287fSHans Petter Selasky 1448e6e287fSHans Petter Selasky default: 1458e6e287fSHans Petter Selasky break; 1468e6e287fSHans Petter Selasky } 1478e6e287fSHans Petter Selasky 1488e6e287fSHans Petter Selasky return NOTIFY_DONE; 1498e6e287fSHans Petter Selasky } 1508e6e287fSHans Petter Selasky 1518e6e287fSHans Petter Selasky static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, 1528e6e287fSHans Petter Selasky u8 port_num) 1538e6e287fSHans Petter Selasky { 1548e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = to_mdev(device); 1558e6e287fSHans Petter Selasky struct net_device *ndev; 1568e6e287fSHans Petter Selasky 1578e6e287fSHans Petter Selasky /* Ensure ndev does not disappear before we invoke dev_hold() 1588e6e287fSHans Petter Selasky */ 1598e6e287fSHans Petter Selasky read_lock(&ibdev->roce.netdev_lock); 1608e6e287fSHans Petter Selasky ndev = ibdev->roce.netdev; 1618e6e287fSHans Petter Selasky if (ndev) 1628e6e287fSHans Petter Selasky dev_hold(ndev); 1638e6e287fSHans Petter Selasky read_unlock(&ibdev->roce.netdev_lock); 1648e6e287fSHans Petter Selasky 1658e6e287fSHans Petter Selasky return ndev; 1668e6e287fSHans Petter Selasky } 1678e6e287fSHans Petter Selasky 168d9142151SHans Petter Selasky static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, 169d9142151SHans Petter Selasky u8 *active_width) 170d9142151SHans Petter Selasky { 171d9142151SHans Petter Selasky switch (eth_proto_oper) { 172d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): 173d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): 174d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100BASE_TX): 175d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_T): 176d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 177d9142151SHans Petter Selasky *active_speed = IB_SPEED_SDR; 178d9142151SHans Petter Selasky break; 179d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_T): 180d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): 181d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): 182d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): 183d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): 184d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): 185d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_ER): 186d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 187d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 188d9142151SHans Petter Selasky break; 189d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): 190d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): 191d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): 192d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 193d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 194d9142151SHans Petter Selasky break; 195d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): 196d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): 197d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): 198d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4): 199d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 200d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 201d9142151SHans Petter Selasky break; 202d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): 203d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): 204d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): 205d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 206d9142151SHans Petter Selasky *active_speed = IB_SPEED_HDR; 207d9142151SHans Petter Selasky break; 208d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): 209d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 210d9142151SHans Petter Selasky *active_speed = IB_SPEED_FDR; 211d9142151SHans Petter Selasky break; 212d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): 213d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): 214d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): 215d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): 216d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 217d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 218d9142151SHans Petter Selasky break; 219d9142151SHans Petter Selasky default: 220d9142151SHans Petter Selasky return -EINVAL; 221d9142151SHans Petter Selasky } 222d9142151SHans Petter Selasky 223d9142151SHans Petter Selasky return 0; 224d9142151SHans Petter Selasky } 225d9142151SHans Petter Selasky 2268e6e287fSHans Petter Selasky static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, 2278e6e287fSHans Petter Selasky struct ib_port_attr *props) 2288e6e287fSHans Petter Selasky { 2298e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 2308e6e287fSHans Petter Selasky struct net_device *ndev; 2318e6e287fSHans Petter Selasky enum ib_mtu ndev_ib_mtu; 2328e6e287fSHans Petter Selasky u16 qkey_viol_cntr; 233d9142151SHans Petter Selasky u32 eth_prot_oper; 234d9142151SHans Petter Selasky int err; 2358e6e287fSHans Petter Selasky 2368e6e287fSHans Petter Selasky memset(props, 0, sizeof(*props)); 2378e6e287fSHans Petter Selasky 238d9142151SHans Petter Selasky /* Possible bad flows are checked before filling out props so in case 239d9142151SHans Petter Selasky * of an error it will still be zeroed out. 240d9142151SHans Petter Selasky */ 241d9142151SHans Petter Selasky err = mlx5_query_port_eth_proto_oper(dev->mdev, ð_prot_oper, port_num); 242d9142151SHans Petter Selasky if (err) 243d9142151SHans Petter Selasky return err; 244d9142151SHans Petter Selasky 245d9142151SHans Petter Selasky translate_eth_proto_oper(eth_prot_oper, &props->active_speed, 246d9142151SHans Petter Selasky &props->active_width); 247d9142151SHans Petter Selasky 2488e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_CM_SUP; 2498e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; 2508e6e287fSHans Petter Selasky 2518e6e287fSHans Petter Selasky props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, 2528e6e287fSHans Petter Selasky roce_address_table_size); 2538e6e287fSHans Petter Selasky props->max_mtu = IB_MTU_4096; 2548e6e287fSHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); 2558e6e287fSHans Petter Selasky props->pkey_tbl_len = 1; 2568e6e287fSHans Petter Selasky props->state = IB_PORT_DOWN; 2578e6e287fSHans Petter Selasky props->phys_state = 3; 2588e6e287fSHans Petter Selasky 2598e6e287fSHans Petter Selasky mlx5_query_nic_vport_qkey_viol_cntr(dev->mdev, &qkey_viol_cntr); 2608e6e287fSHans Petter Selasky props->qkey_viol_cntr = qkey_viol_cntr; 2618e6e287fSHans Petter Selasky 2628e6e287fSHans Petter Selasky ndev = mlx5_ib_get_netdev(device, port_num); 2638e6e287fSHans Petter Selasky if (!ndev) 2648e6e287fSHans Petter Selasky return 0; 2658e6e287fSHans Petter Selasky 2668e6e287fSHans Petter Selasky if (netif_running(ndev) && netif_carrier_ok(ndev)) { 2678e6e287fSHans Petter Selasky props->state = IB_PORT_ACTIVE; 2688e6e287fSHans Petter Selasky props->phys_state = 5; 2698e6e287fSHans Petter Selasky } 2708e6e287fSHans Petter Selasky 2718e6e287fSHans Petter Selasky ndev_ib_mtu = iboe_get_mtu(ndev->if_mtu); 2728e6e287fSHans Petter Selasky 2738e6e287fSHans Petter Selasky dev_put(ndev); 2748e6e287fSHans Petter Selasky 2758e6e287fSHans Petter Selasky props->active_mtu = min(props->max_mtu, ndev_ib_mtu); 2768e6e287fSHans Petter Selasky return 0; 2778e6e287fSHans Petter Selasky } 2788e6e287fSHans Petter Selasky 2798e6e287fSHans Petter Selasky static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid, 2808e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 2818e6e287fSHans Petter Selasky void *mlx5_addr) 2828e6e287fSHans Petter Selasky { 2838e6e287fSHans Petter Selasky #define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v) 2848e6e287fSHans Petter Selasky char *mlx5_addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 2858e6e287fSHans Petter Selasky source_l3_address); 2868e6e287fSHans Petter Selasky void *mlx5_addr_mac = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 2878e6e287fSHans Petter Selasky source_mac_47_32); 288f4546fa3SHans Petter Selasky u16 vlan_id; 2898e6e287fSHans Petter Selasky 2908e6e287fSHans Petter Selasky if (!gid) 2918e6e287fSHans Petter Selasky return; 2928e6e287fSHans Petter Selasky ether_addr_copy(mlx5_addr_mac, IF_LLADDR(attr->ndev)); 2938e6e287fSHans Petter Selasky 294f4546fa3SHans Petter Selasky vlan_id = rdma_vlan_dev_vlan_id(attr->ndev); 295f4546fa3SHans Petter Selasky if (vlan_id != 0xffff) { 2968e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_valid, 1); 297f4546fa3SHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_id, vlan_id); 2988e6e287fSHans Petter Selasky } 2998e6e287fSHans Petter Selasky 3008e6e287fSHans Petter Selasky switch (attr->gid_type) { 3018e6e287fSHans Petter Selasky case IB_GID_TYPE_IB: 3028e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_1); 3038e6e287fSHans Petter Selasky break; 3048e6e287fSHans Petter Selasky case IB_GID_TYPE_ROCE_UDP_ENCAP: 3058e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_2); 3068e6e287fSHans Petter Selasky break; 3078e6e287fSHans Petter Selasky 3088e6e287fSHans Petter Selasky default: 3098e6e287fSHans Petter Selasky WARN_ON(true); 3108e6e287fSHans Petter Selasky } 3118e6e287fSHans Petter Selasky 3128e6e287fSHans Petter Selasky if (attr->gid_type != IB_GID_TYPE_IB) { 3138e6e287fSHans Petter Selasky if (ipv6_addr_v4mapped((void *)gid)) 3148e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3158e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV4); 3168e6e287fSHans Petter Selasky else 3178e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3188e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV6); 3198e6e287fSHans Petter Selasky } 3208e6e287fSHans Petter Selasky 3218e6e287fSHans Petter Selasky if ((attr->gid_type == IB_GID_TYPE_IB) || 3228e6e287fSHans Petter Selasky !ipv6_addr_v4mapped((void *)gid)) 3238e6e287fSHans Petter Selasky memcpy(mlx5_addr_l3_addr, gid, sizeof(*gid)); 3248e6e287fSHans Petter Selasky else 3258e6e287fSHans Petter Selasky memcpy(&mlx5_addr_l3_addr[12], &gid->raw[12], 4); 3268e6e287fSHans Petter Selasky } 3278e6e287fSHans Petter Selasky 3288e6e287fSHans Petter Selasky static int set_roce_addr(struct ib_device *device, u8 port_num, 3298e6e287fSHans Petter Selasky unsigned int index, 3308e6e287fSHans Petter Selasky const union ib_gid *gid, 3318e6e287fSHans Petter Selasky const struct ib_gid_attr *attr) 3328e6e287fSHans Petter Selasky { 3338e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 3348e6e287fSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0}; 3358e6e287fSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0}; 3368e6e287fSHans Petter Selasky void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address); 3378e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(device, port_num); 3388e6e287fSHans Petter Selasky 3398e6e287fSHans Petter Selasky if (ll != IB_LINK_LAYER_ETHERNET) 3408e6e287fSHans Petter Selasky return -EINVAL; 3418e6e287fSHans Petter Selasky 3428e6e287fSHans Petter Selasky ib_gid_to_mlx5_roce_addr(gid, attr, in_addr); 3438e6e287fSHans Petter Selasky 3448e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, roce_address_index, index); 3458e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS); 3468e6e287fSHans Petter Selasky return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); 3478e6e287fSHans Petter Selasky } 3488e6e287fSHans Petter Selasky 3498e6e287fSHans Petter Selasky static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, 3508e6e287fSHans Petter Selasky unsigned int index, const union ib_gid *gid, 3518e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 3528e6e287fSHans Petter Selasky __always_unused void **context) 3538e6e287fSHans Petter Selasky { 3548e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, gid, attr); 3558e6e287fSHans Petter Selasky } 3568e6e287fSHans Petter Selasky 3578e6e287fSHans Petter Selasky static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, 3588e6e287fSHans Petter Selasky unsigned int index, __always_unused void **context) 3598e6e287fSHans Petter Selasky { 3608e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, NULL, NULL); 3618e6e287fSHans Petter Selasky } 3628e6e287fSHans Petter Selasky 3638e6e287fSHans Petter Selasky __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, 3648e6e287fSHans Petter Selasky int index) 3658e6e287fSHans Petter Selasky { 3668e6e287fSHans Petter Selasky struct ib_gid_attr attr; 3678e6e287fSHans Petter Selasky union ib_gid gid; 3688e6e287fSHans Petter Selasky 3698e6e287fSHans Petter Selasky if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) 3708e6e287fSHans Petter Selasky return 0; 3718e6e287fSHans Petter Selasky 3728e6e287fSHans Petter Selasky if (!attr.ndev) 3738e6e287fSHans Petter Selasky return 0; 3748e6e287fSHans Petter Selasky 3758e6e287fSHans Petter Selasky dev_put(attr.ndev); 3768e6e287fSHans Petter Selasky 3778e6e287fSHans Petter Selasky if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) 3788e6e287fSHans Petter Selasky return 0; 3798e6e287fSHans Petter Selasky 3808e6e287fSHans Petter Selasky return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); 3818e6e287fSHans Petter Selasky } 3828e6e287fSHans Petter Selasky 38312515907SHans Petter Selasky static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) 38412515907SHans Petter Selasky { 3858e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) 3868e6e287fSHans Petter Selasky return !MLX5_CAP_GEN(dev->mdev, ib_virt); 3878e6e287fSHans Petter Selasky return 0; 38812515907SHans Petter Selasky } 38912515907SHans Petter Selasky 39012515907SHans Petter Selasky enum { 39112515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_MAD, 39212515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_HCA, 39312515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_NIC, 39412515907SHans Petter Selasky }; 39512515907SHans Petter Selasky 39612515907SHans Petter Selasky static int mlx5_get_vport_access_method(struct ib_device *ibdev) 39712515907SHans Petter Selasky { 39812515907SHans Petter Selasky if (mlx5_use_mad_ifc(to_mdev(ibdev))) 39912515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_MAD; 40012515907SHans Petter Selasky 40112515907SHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 40212515907SHans Petter Selasky IB_LINK_LAYER_ETHERNET) 40312515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_NIC; 40412515907SHans Petter Selasky 40512515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_HCA; 40612515907SHans Petter Selasky } 40712515907SHans Petter Selasky 4088e6e287fSHans Petter Selasky static void get_atomic_caps(struct mlx5_ib_dev *dev, 4098e6e287fSHans Petter Selasky struct ib_device_attr *props) 4108e6e287fSHans Petter Selasky { 4118e6e287fSHans Petter Selasky u8 tmp; 4128e6e287fSHans Petter Selasky u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 4138e6e287fSHans Petter Selasky u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 4148e6e287fSHans Petter Selasky u8 atomic_req_8B_endianness_mode = 4158e6e287fSHans Petter Selasky MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianess_mode); 4168e6e287fSHans Petter Selasky 4178e6e287fSHans Petter Selasky /* Check if HW supports 8 bytes standard atomic operations and capable 4188e6e287fSHans Petter Selasky * of host endianness respond 4198e6e287fSHans Petter Selasky */ 4208e6e287fSHans Petter Selasky tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; 4218e6e287fSHans Petter Selasky if (((atomic_operations & tmp) == tmp) && 4228e6e287fSHans Petter Selasky (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && 4238e6e287fSHans Petter Selasky (atomic_req_8B_endianness_mode)) { 4248e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_HCA; 4258e6e287fSHans Petter Selasky } else { 4268e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_NONE; 4278e6e287fSHans Petter Selasky } 4288e6e287fSHans Petter Selasky } 4298e6e287fSHans Petter Selasky 43012515907SHans Petter Selasky static int mlx5_query_system_image_guid(struct ib_device *ibdev, 43112515907SHans Petter Selasky __be64 *sys_image_guid) 43212515907SHans Petter Selasky { 43312515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 43412515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 43512515907SHans Petter Selasky u64 tmp; 43612515907SHans Petter Selasky int err; 43712515907SHans Petter Selasky 43812515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 43912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 4408e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_system_image_guid(ibdev, 44112515907SHans Petter Selasky sys_image_guid); 44212515907SHans Petter Selasky 44312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 44412515907SHans Petter Selasky err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); 4458e6e287fSHans Petter Selasky break; 44612515907SHans Petter Selasky 44712515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 44812515907SHans Petter Selasky err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); 4498e6e287fSHans Petter Selasky break; 45012515907SHans Petter Selasky 45112515907SHans Petter Selasky default: 45212515907SHans Petter Selasky return -EINVAL; 45312515907SHans Petter Selasky } 4548e6e287fSHans Petter Selasky 4558e6e287fSHans Petter Selasky if (!err) 4568e6e287fSHans Petter Selasky *sys_image_guid = cpu_to_be64(tmp); 4578e6e287fSHans Petter Selasky 4588e6e287fSHans Petter Selasky return err; 4598e6e287fSHans Petter Selasky 46012515907SHans Petter Selasky } 46112515907SHans Petter Selasky 46212515907SHans Petter Selasky static int mlx5_query_max_pkeys(struct ib_device *ibdev, 46312515907SHans Petter Selasky u16 *max_pkeys) 46412515907SHans Petter Selasky { 46512515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 46612515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 46712515907SHans Petter Selasky 46812515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 46912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 4708e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); 47112515907SHans Petter Selasky 47212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 47312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 47412515907SHans Petter Selasky *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, 47512515907SHans Petter Selasky pkey_table_size)); 47612515907SHans Petter Selasky return 0; 47712515907SHans Petter Selasky 47812515907SHans Petter Selasky default: 47912515907SHans Petter Selasky return -EINVAL; 48012515907SHans Petter Selasky } 48112515907SHans Petter Selasky } 48212515907SHans Petter Selasky 48312515907SHans Petter Selasky static int mlx5_query_vendor_id(struct ib_device *ibdev, 48412515907SHans Petter Selasky u32 *vendor_id) 48512515907SHans Petter Selasky { 48612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 48712515907SHans Petter Selasky 48812515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 48912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 4908e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); 49112515907SHans Petter Selasky 49212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 49312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 49412515907SHans Petter Selasky return mlx5_core_query_vendor_id(dev->mdev, vendor_id); 49512515907SHans Petter Selasky 49612515907SHans Petter Selasky default: 49712515907SHans Petter Selasky return -EINVAL; 49812515907SHans Petter Selasky } 49912515907SHans Petter Selasky } 50012515907SHans Petter Selasky 50112515907SHans Petter Selasky static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, 50212515907SHans Petter Selasky __be64 *node_guid) 50312515907SHans Petter Selasky { 50412515907SHans Petter Selasky u64 tmp; 50512515907SHans Petter Selasky int err; 50612515907SHans Petter Selasky 50712515907SHans Petter Selasky switch (mlx5_get_vport_access_method(&dev->ib_dev)) { 50812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5098e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_guid(dev, node_guid); 51012515907SHans Petter Selasky 51112515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 51212515907SHans Petter Selasky err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); 5138e6e287fSHans Petter Selasky break; 51412515907SHans Petter Selasky 51512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 51612515907SHans Petter Selasky err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); 5178e6e287fSHans Petter Selasky break; 51812515907SHans Petter Selasky 51912515907SHans Petter Selasky default: 52012515907SHans Petter Selasky return -EINVAL; 52112515907SHans Petter Selasky } 5228e6e287fSHans Petter Selasky 5238e6e287fSHans Petter Selasky if (!err) 5248e6e287fSHans Petter Selasky *node_guid = cpu_to_be64(tmp); 5258e6e287fSHans Petter Selasky 5268e6e287fSHans Petter Selasky return err; 52712515907SHans Petter Selasky } 52812515907SHans Petter Selasky 52912515907SHans Petter Selasky struct mlx5_reg_node_desc { 5308e6e287fSHans Petter Selasky u8 desc[IB_DEVICE_NODE_DESC_MAX]; 53112515907SHans Petter Selasky }; 53212515907SHans Petter Selasky 53312515907SHans Petter Selasky static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) 53412515907SHans Petter Selasky { 53512515907SHans Petter Selasky struct mlx5_reg_node_desc in; 53612515907SHans Petter Selasky 53712515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 5388e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_desc(dev, node_desc); 53912515907SHans Petter Selasky 54012515907SHans Petter Selasky memset(&in, 0, sizeof(in)); 54112515907SHans Petter Selasky 54212515907SHans Petter Selasky return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, 54312515907SHans Petter Selasky sizeof(struct mlx5_reg_node_desc), 54412515907SHans Petter Selasky MLX5_REG_NODE_DESC, 0, 0); 54512515907SHans Petter Selasky } 54612515907SHans Petter Selasky 54712515907SHans Petter Selasky static int mlx5_ib_query_device(struct ib_device *ibdev, 5488e6e287fSHans Petter Selasky struct ib_device_attr *props, 5498e6e287fSHans Petter Selasky struct ib_udata *uhw) 55012515907SHans Petter Selasky { 55112515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 55212515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 5538e6e287fSHans Petter Selasky int err = -ENOMEM; 55412515907SHans Petter Selasky int max_rq_sg; 55512515907SHans Petter Selasky int max_sq_sg; 5568e6e287fSHans Petter Selasky u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); 5578e6e287fSHans Petter Selasky struct mlx5_ib_query_device_resp resp = {}; 5588e6e287fSHans Petter Selasky size_t resp_len; 5598e6e287fSHans Petter Selasky u64 max_tso; 56012515907SHans Petter Selasky 5618e6e287fSHans Petter Selasky resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); 5628e6e287fSHans Petter Selasky if (uhw->outlen && uhw->outlen < resp_len) 5638e6e287fSHans Petter Selasky return -EINVAL; 5648e6e287fSHans Petter Selasky else 5658e6e287fSHans Petter Selasky resp.response_length = resp_len; 5668e6e287fSHans Petter Selasky 5678e6e287fSHans Petter Selasky if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) 5688e6e287fSHans Petter Selasky return -EINVAL; 56912515907SHans Petter Selasky 57012515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 57112515907SHans Petter Selasky err = mlx5_query_system_image_guid(ibdev, 57212515907SHans Petter Selasky &props->sys_image_guid); 57312515907SHans Petter Selasky if (err) 57412515907SHans Petter Selasky return err; 57512515907SHans Petter Selasky 57612515907SHans Petter Selasky err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); 57712515907SHans Petter Selasky if (err) 57812515907SHans Petter Selasky return err; 57912515907SHans Petter Selasky 58012515907SHans Petter Selasky err = mlx5_query_vendor_id(ibdev, &props->vendor_id); 58112515907SHans Petter Selasky if (err) 58212515907SHans Petter Selasky return err; 58312515907SHans Petter Selasky 58412515907SHans Petter Selasky props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | 5858e6e287fSHans Petter Selasky (fw_rev_min(dev->mdev) << 16) | 58612515907SHans Petter Selasky fw_rev_sub(dev->mdev); 58712515907SHans Petter Selasky props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | 58812515907SHans Petter Selasky IB_DEVICE_PORT_ACTIVE_EVENT | 58912515907SHans Petter Selasky IB_DEVICE_SYS_IMAGE_GUID | 59012515907SHans Petter Selasky IB_DEVICE_RC_RNR_NAK_GEN; 59112515907SHans Petter Selasky 59212515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, pkv)) 59312515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; 59412515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, qkv)) 59512515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; 59612515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, apm)) 59712515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; 59812515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) 59912515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_XRC; 6008e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 6018e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | 6028e6e287fSHans Petter Selasky IB_DEVICE_MEM_WINDOW_TYPE_2B; 6038e6e287fSHans Petter Selasky props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 6048e6e287fSHans Petter Selasky /* We support 'Gappy' memory registration too */ 6058e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; 6068e6e287fSHans Petter Selasky } 60712515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; 6088e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, sho)) { 6098e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; 6108e6e287fSHans Petter Selasky /* At this stage no support for signature handover */ 6118e6e287fSHans Petter Selasky props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | 6128e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_2 | 6138e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_3; 6148e6e287fSHans Petter Selasky props->sig_guard_cap = IB_GUARD_T10DIF_CRC | 6158e6e287fSHans Petter Selasky IB_GUARD_T10DIF_CSUM; 6168e6e287fSHans Petter Selasky } 61712515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, block_lb_mc)) 61812515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; 61912515907SHans Petter Selasky 6208e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) { 6218e6e287fSHans Petter Selasky if (MLX5_CAP_ETH(mdev, csum_cap)) 6228e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; 6238e6e287fSHans Petter Selasky 6248e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { 6258e6e287fSHans Petter Selasky max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); 6268e6e287fSHans Petter Selasky if (max_tso) { 6278e6e287fSHans Petter Selasky resp.tso_caps.max_tso = 1 << max_tso; 6288e6e287fSHans Petter Selasky resp.tso_caps.supported_qpts |= 6298e6e287fSHans Petter Selasky 1 << IB_QPT_RAW_PACKET; 6308e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 6318e6e287fSHans Petter Selasky } 6328e6e287fSHans Petter Selasky } 6338e6e287fSHans Petter Selasky 6348e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { 6358e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_function = 6368e6e287fSHans Petter Selasky MLX5_RX_HASH_FUNC_TOEPLITZ; 6378e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_fields_mask = 6388e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV4 | 6398e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV4 | 6408e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV6 | 6418e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV6 | 6428e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_TCP | 6438e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_TCP | 6448e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_UDP | 6458e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_UDP; 6468e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 6478e6e287fSHans Petter Selasky } 6488e6e287fSHans Petter Selasky } else { 6498e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) 6508e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 6518e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) 6528e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 6538e6e287fSHans Petter Selasky } 6548e6e287fSHans Petter Selasky 6558e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, ipoib_ipoib_offloads)) { 6568e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; 6578e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_TSO; 6588e6e287fSHans Petter Selasky } 6598e6e287fSHans Petter Selasky 6608e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 6618e6e287fSHans Petter Selasky MLX5_CAP_ETH(dev->mdev, scatter_fcs)) 6628e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; 6638e6e287fSHans Petter Selasky 6648e6e287fSHans Petter Selasky if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) 6658e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; 6668e6e287fSHans Petter Selasky 66712515907SHans Petter Selasky props->vendor_part_id = mdev->pdev->device; 66812515907SHans Petter Selasky props->hw_ver = mdev->pdev->revision; 66912515907SHans Petter Selasky 67012515907SHans Petter Selasky props->max_mr_size = ~0ull; 6718e6e287fSHans Petter Selasky props->page_size_cap = ~(min_page_size - 1); 67212515907SHans Petter Selasky props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); 67312515907SHans Petter Selasky props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 67412515907SHans Petter Selasky max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / 67512515907SHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 6768e6e287fSHans Petter Selasky max_sq_sg = (MLX5_CAP_GEN(mdev, max_wqe_sz_sq) - 6778e6e287fSHans Petter Selasky sizeof(struct mlx5_wqe_ctrl_seg)) / 6788e6e287fSHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 67912515907SHans Petter Selasky props->max_sge = min(max_rq_sg, max_sq_sg); 6808e6e287fSHans Petter Selasky props->max_sge_rd = MLX5_MAX_SGE_RD; 68112515907SHans Petter Selasky props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); 68212515907SHans Petter Selasky props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; 68312515907SHans Petter Selasky props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 68412515907SHans Petter Selasky props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); 68512515907SHans Petter Selasky props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); 68612515907SHans Petter Selasky props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); 68712515907SHans Petter Selasky props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); 68812515907SHans Petter Selasky props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; 68912515907SHans Petter Selasky props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); 69012515907SHans Petter Selasky props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; 69112515907SHans Petter Selasky props->max_srq_sge = max_rq_sg - 1; 6928e6e287fSHans Petter Selasky props->max_fast_reg_page_list_len = 6938e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); 69412515907SHans Petter Selasky get_atomic_caps(dev, props); 6958e6e287fSHans Petter Selasky props->masked_atomic_cap = IB_ATOMIC_NONE; 69612515907SHans Petter Selasky props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); 69712515907SHans Petter Selasky props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); 69812515907SHans Petter Selasky props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * 69912515907SHans Petter Selasky props->max_mcast_grp; 70012515907SHans Petter Selasky props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ 7018e6e287fSHans Petter Selasky props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); 7028e6e287fSHans Petter Selasky props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; 7038e6e287fSHans Petter Selasky 7048e6e287fSHans Petter Selasky #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 7058e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, pg)) 7068e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; 7078e6e287fSHans Petter Selasky props->odp_caps = dev->odp_caps; 7088e6e287fSHans Petter Selasky #endif 7098e6e287fSHans Petter Selasky 7108e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, cd)) 7118e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; 7128e6e287fSHans Petter Selasky 7138e6e287fSHans Petter Selasky if (!mlx5_core_is_pf(mdev)) 7148e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; 7158e6e287fSHans Petter Selasky 7168e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 7178e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 7188e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_tables = 7198e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); 7208e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_table_size = 7218e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); 7228e6e287fSHans Petter Selasky props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; 7238e6e287fSHans Petter Selasky props->max_wq_type_rq = 7248e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); 7258e6e287fSHans Petter Selasky } 7268e6e287fSHans Petter Selasky 7278e6e287fSHans Petter Selasky if (uhw->outlen) { 7288e6e287fSHans Petter Selasky err = ib_copy_to_udata(uhw, &resp, resp.response_length); 7298e6e287fSHans Petter Selasky 7308e6e287fSHans Petter Selasky if (err) 7318e6e287fSHans Petter Selasky return err; 7328e6e287fSHans Petter Selasky } 73312515907SHans Petter Selasky 73412515907SHans Petter Selasky return 0; 73512515907SHans Petter Selasky } 73612515907SHans Petter Selasky 73712515907SHans Petter Selasky enum mlx5_ib_width { 73812515907SHans Petter Selasky MLX5_IB_WIDTH_1X = 1 << 0, 73912515907SHans Petter Selasky MLX5_IB_WIDTH_2X = 1 << 1, 74012515907SHans Petter Selasky MLX5_IB_WIDTH_4X = 1 << 2, 74112515907SHans Petter Selasky MLX5_IB_WIDTH_8X = 1 << 3, 74212515907SHans Petter Selasky MLX5_IB_WIDTH_12X = 1 << 4 74312515907SHans Petter Selasky }; 74412515907SHans Petter Selasky 74512515907SHans Petter Selasky static int translate_active_width(struct ib_device *ibdev, u8 active_width, 74612515907SHans Petter Selasky u8 *ib_width) 74712515907SHans Petter Selasky { 74812515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 74912515907SHans Petter Selasky int err = 0; 75012515907SHans Petter Selasky 75112515907SHans Petter Selasky if (active_width & MLX5_IB_WIDTH_1X) { 75212515907SHans Petter Selasky *ib_width = IB_WIDTH_1X; 75312515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_2X) { 7548e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n", 75512515907SHans Petter Selasky (int)active_width); 75612515907SHans Petter Selasky err = -EINVAL; 75712515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_4X) { 75812515907SHans Petter Selasky *ib_width = IB_WIDTH_4X; 75912515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_8X) { 76012515907SHans Petter Selasky *ib_width = IB_WIDTH_8X; 76112515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_12X) { 76212515907SHans Petter Selasky *ib_width = IB_WIDTH_12X; 76312515907SHans Petter Selasky } else { 76412515907SHans Petter Selasky mlx5_ib_dbg(dev, "Invalid active_width %d\n", 76512515907SHans Petter Selasky (int)active_width); 76612515907SHans Petter Selasky err = -EINVAL; 76712515907SHans Petter Selasky } 76812515907SHans Petter Selasky 76912515907SHans Petter Selasky return err; 77012515907SHans Petter Selasky } 77112515907SHans Petter Selasky 77212515907SHans Petter Selasky enum ib_max_vl_num { 77312515907SHans Petter Selasky __IB_MAX_VL_0 = 1, 77412515907SHans Petter Selasky __IB_MAX_VL_0_1 = 2, 77512515907SHans Petter Selasky __IB_MAX_VL_0_3 = 3, 77612515907SHans Petter Selasky __IB_MAX_VL_0_7 = 4, 77712515907SHans Petter Selasky __IB_MAX_VL_0_14 = 5, 77812515907SHans Petter Selasky }; 77912515907SHans Petter Selasky 78012515907SHans Petter Selasky enum mlx5_vl_hw_cap { 78112515907SHans Petter Selasky MLX5_VL_HW_0 = 1, 78212515907SHans Petter Selasky MLX5_VL_HW_0_1 = 2, 78312515907SHans Petter Selasky MLX5_VL_HW_0_2 = 3, 78412515907SHans Petter Selasky MLX5_VL_HW_0_3 = 4, 78512515907SHans Petter Selasky MLX5_VL_HW_0_4 = 5, 78612515907SHans Petter Selasky MLX5_VL_HW_0_5 = 6, 78712515907SHans Petter Selasky MLX5_VL_HW_0_6 = 7, 78812515907SHans Petter Selasky MLX5_VL_HW_0_7 = 8, 78912515907SHans Petter Selasky MLX5_VL_HW_0_14 = 15 79012515907SHans Petter Selasky }; 79112515907SHans Petter Selasky 79212515907SHans Petter Selasky static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, 79312515907SHans Petter Selasky u8 *max_vl_num) 79412515907SHans Petter Selasky { 79512515907SHans Petter Selasky switch (vl_hw_cap) { 79612515907SHans Petter Selasky case MLX5_VL_HW_0: 79712515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0; 79812515907SHans Petter Selasky break; 79912515907SHans Petter Selasky case MLX5_VL_HW_0_1: 80012515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_1; 80112515907SHans Petter Selasky break; 80212515907SHans Petter Selasky case MLX5_VL_HW_0_3: 80312515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_3; 80412515907SHans Petter Selasky break; 80512515907SHans Petter Selasky case MLX5_VL_HW_0_7: 80612515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_7; 80712515907SHans Petter Selasky break; 80812515907SHans Petter Selasky case MLX5_VL_HW_0_14: 80912515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_14; 81012515907SHans Petter Selasky break; 81112515907SHans Petter Selasky 81212515907SHans Petter Selasky default: 81312515907SHans Petter Selasky return -EINVAL; 81412515907SHans Petter Selasky } 81512515907SHans Petter Selasky 81612515907SHans Petter Selasky return 0; 81712515907SHans Petter Selasky } 81812515907SHans Petter Selasky 8198e6e287fSHans Petter Selasky static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, 82012515907SHans Petter Selasky struct ib_port_attr *props) 82112515907SHans Petter Selasky { 82212515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 82312515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 82412515907SHans Petter Selasky u32 *rep; 8258e6e287fSHans Petter Selasky int replen = MLX5_ST_SZ_BYTES(query_hca_vport_context_out); 82612515907SHans Petter Selasky struct mlx5_ptys_reg *ptys; 82712515907SHans Petter Selasky struct mlx5_pmtu_reg *pmtu; 82812515907SHans Petter Selasky struct mlx5_pvlc_reg pvlc; 82912515907SHans Petter Selasky void *ctx; 83012515907SHans Petter Selasky int err; 83112515907SHans Petter Selasky 8328e6e287fSHans Petter Selasky rep = mlx5_vzalloc(replen); 83312515907SHans Petter Selasky ptys = kzalloc(sizeof(*ptys), GFP_KERNEL); 83412515907SHans Petter Selasky pmtu = kzalloc(sizeof(*pmtu), GFP_KERNEL); 83512515907SHans Petter Selasky if (!rep || !ptys || !pmtu) { 83612515907SHans Petter Selasky err = -ENOMEM; 83712515907SHans Petter Selasky goto out; 83812515907SHans Petter Selasky } 83912515907SHans Petter Selasky 84012515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 84112515907SHans Petter Selasky 8428e6e287fSHans Petter Selasky err = mlx5_query_hca_vport_context(mdev, port, 0, rep, replen); 84312515907SHans Petter Selasky if (err) 84412515907SHans Petter Selasky goto out; 84512515907SHans Petter Selasky 84612515907SHans Petter Selasky ctx = MLX5_ADDR_OF(query_hca_vport_context_out, rep, hca_vport_context); 84712515907SHans Petter Selasky 84812515907SHans Petter Selasky props->lid = MLX5_GET(hca_vport_context, ctx, lid); 84912515907SHans Petter Selasky props->lmc = MLX5_GET(hca_vport_context, ctx, lmc); 85012515907SHans Petter Selasky props->sm_lid = MLX5_GET(hca_vport_context, ctx, sm_lid); 85112515907SHans Petter Selasky props->sm_sl = MLX5_GET(hca_vport_context, ctx, sm_sl); 85212515907SHans Petter Selasky props->state = MLX5_GET(hca_vport_context, ctx, vport_state); 85312515907SHans Petter Selasky props->phys_state = MLX5_GET(hca_vport_context, ctx, 85412515907SHans Petter Selasky port_physical_state); 85512515907SHans Petter Selasky props->port_cap_flags = MLX5_GET(hca_vport_context, ctx, cap_mask1); 85612515907SHans Petter Selasky props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); 85712515907SHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); 85812515907SHans Petter Selasky props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); 85912515907SHans Petter Selasky props->bad_pkey_cntr = MLX5_GET(hca_vport_context, ctx, 86012515907SHans Petter Selasky pkey_violation_counter); 86112515907SHans Petter Selasky props->qkey_viol_cntr = MLX5_GET(hca_vport_context, ctx, 86212515907SHans Petter Selasky qkey_violation_counter); 86312515907SHans Petter Selasky props->subnet_timeout = MLX5_GET(hca_vport_context, ctx, 86412515907SHans Petter Selasky subnet_timeout); 86512515907SHans Petter Selasky props->init_type_reply = MLX5_GET(hca_vport_context, ctx, 86612515907SHans Petter Selasky init_type_reply); 8678e6e287fSHans Petter Selasky props->grh_required = MLX5_GET(hca_vport_context, ctx, grh_required); 86812515907SHans Petter Selasky 86912515907SHans Petter Selasky ptys->proto_mask |= MLX5_PTYS_IB; 87012515907SHans Petter Selasky ptys->local_port = port; 87112515907SHans Petter Selasky err = mlx5_core_access_ptys(mdev, ptys, 0); 87212515907SHans Petter Selasky if (err) 87312515907SHans Petter Selasky goto out; 87412515907SHans Petter Selasky 87512515907SHans Petter Selasky err = translate_active_width(ibdev, ptys->ib_link_width_oper, 87612515907SHans Petter Selasky &props->active_width); 87712515907SHans Petter Selasky if (err) 87812515907SHans Petter Selasky goto out; 87912515907SHans Petter Selasky 88012515907SHans Petter Selasky props->active_speed = (u8)ptys->ib_proto_oper; 88112515907SHans Petter Selasky 88212515907SHans Petter Selasky pmtu->local_port = port; 88312515907SHans Petter Selasky err = mlx5_core_access_pmtu(mdev, pmtu, 0); 88412515907SHans Petter Selasky if (err) 88512515907SHans Petter Selasky goto out; 88612515907SHans Petter Selasky 88712515907SHans Petter Selasky props->max_mtu = pmtu->max_mtu; 88812515907SHans Petter Selasky props->active_mtu = pmtu->oper_mtu; 88912515907SHans Petter Selasky 89012515907SHans Petter Selasky memset(&pvlc, 0, sizeof(pvlc)); 89112515907SHans Petter Selasky pvlc.local_port = port; 89212515907SHans Petter Selasky err = mlx5_core_access_pvlc(mdev, &pvlc, 0); 89312515907SHans Petter Selasky if (err) 89412515907SHans Petter Selasky goto out; 89512515907SHans Petter Selasky 89612515907SHans Petter Selasky err = translate_max_vl_num(ibdev, pvlc.vl_hw_cap, 89712515907SHans Petter Selasky &props->max_vl_num); 89812515907SHans Petter Selasky out: 89912515907SHans Petter Selasky kvfree(rep); 90012515907SHans Petter Selasky kfree(ptys); 90112515907SHans Petter Selasky kfree(pmtu); 90212515907SHans Petter Selasky return err; 90312515907SHans Petter Selasky } 90412515907SHans Petter Selasky 90512515907SHans Petter Selasky int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, 90612515907SHans Petter Selasky struct ib_port_attr *props) 90712515907SHans Petter Selasky { 90812515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 90912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 9108e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_port(ibdev, port, props); 91112515907SHans Petter Selasky 91212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 9138e6e287fSHans Petter Selasky return mlx5_query_hca_port(ibdev, port, props); 91412515907SHans Petter Selasky 91512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 91612515907SHans Petter Selasky return mlx5_query_port_roce(ibdev, port, props); 91712515907SHans Petter Selasky 91812515907SHans Petter Selasky default: 91912515907SHans Petter Selasky return -EINVAL; 92012515907SHans Petter Selasky } 92112515907SHans Petter Selasky } 92212515907SHans Petter Selasky 92312515907SHans Petter Selasky static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 92412515907SHans Petter Selasky union ib_gid *gid) 92512515907SHans Petter Selasky { 92612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 92712515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 92812515907SHans Petter Selasky 92912515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 93012515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 9318e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); 93212515907SHans Petter Selasky 93312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 93412515907SHans Petter Selasky return mlx5_query_hca_vport_gid(mdev, port, 0, index, gid); 93512515907SHans Petter Selasky 93612515907SHans Petter Selasky default: 93712515907SHans Petter Selasky return -EINVAL; 93812515907SHans Petter Selasky } 9398e6e287fSHans Petter Selasky 94012515907SHans Petter Selasky } 94112515907SHans Petter Selasky 94212515907SHans Petter Selasky static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 94312515907SHans Petter Selasky u16 *pkey) 94412515907SHans Petter Selasky { 94512515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 94612515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 94712515907SHans Petter Selasky 94812515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 94912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 9508e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); 95112515907SHans Petter Selasky 95212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 95312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 95412515907SHans Petter Selasky return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index, 95512515907SHans Petter Selasky pkey); 95612515907SHans Petter Selasky default: 95712515907SHans Petter Selasky return -EINVAL; 95812515907SHans Petter Selasky } 95912515907SHans Petter Selasky } 96012515907SHans Petter Selasky 96112515907SHans Petter Selasky static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, 96212515907SHans Petter Selasky struct ib_device_modify *props) 96312515907SHans Petter Selasky { 96412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 96512515907SHans Petter Selasky struct mlx5_reg_node_desc in; 96612515907SHans Petter Selasky struct mlx5_reg_node_desc out; 96712515907SHans Petter Selasky int err; 96812515907SHans Petter Selasky 96912515907SHans Petter Selasky if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) 97012515907SHans Petter Selasky return -EOPNOTSUPP; 97112515907SHans Petter Selasky 97212515907SHans Petter Selasky if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) 97312515907SHans Petter Selasky return 0; 97412515907SHans Petter Selasky 97512515907SHans Petter Selasky /* 97612515907SHans Petter Selasky * If possible, pass node desc to FW, so it can generate 97712515907SHans Petter Selasky * a 144 trap. If cmd fails, just ignore. 97812515907SHans Petter Selasky */ 9798e6e287fSHans Petter Selasky memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 98012515907SHans Petter Selasky err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, 98112515907SHans Petter Selasky sizeof(out), MLX5_REG_NODE_DESC, 0, 1); 98212515907SHans Petter Selasky if (err) 98312515907SHans Petter Selasky return err; 98412515907SHans Petter Selasky 9858e6e287fSHans Petter Selasky memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 98612515907SHans Petter Selasky 98712515907SHans Petter Selasky return err; 98812515907SHans Petter Selasky } 98912515907SHans Petter Selasky 99012515907SHans Petter Selasky static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, 99112515907SHans Petter Selasky struct ib_port_modify *props) 99212515907SHans Petter Selasky { 99312515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 99412515907SHans Petter Selasky struct ib_port_attr attr; 99512515907SHans Petter Selasky u32 tmp; 99612515907SHans Petter Selasky int err; 99712515907SHans Petter Selasky 99812515907SHans Petter Selasky mutex_lock(&dev->cap_mask_mutex); 99912515907SHans Petter Selasky 100012515907SHans Petter Selasky err = mlx5_ib_query_port(ibdev, port, &attr); 100112515907SHans Petter Selasky if (err) 100212515907SHans Petter Selasky goto out; 100312515907SHans Petter Selasky 100412515907SHans Petter Selasky tmp = (attr.port_cap_flags | props->set_port_cap_mask) & 100512515907SHans Petter Selasky ~props->clr_port_cap_mask; 100612515907SHans Petter Selasky 100712515907SHans Petter Selasky err = mlx5_set_port_caps(dev->mdev, port, tmp); 100812515907SHans Petter Selasky 100912515907SHans Petter Selasky out: 101012515907SHans Petter Selasky mutex_unlock(&dev->cap_mask_mutex); 101112515907SHans Petter Selasky return err; 101212515907SHans Petter Selasky } 101312515907SHans Petter Selasky 101412515907SHans Petter Selasky static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, 101512515907SHans Petter Selasky struct ib_udata *udata) 101612515907SHans Petter Selasky { 101712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 10188e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_req_v2 req = {}; 10198e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_resp resp = {}; 102012515907SHans Petter Selasky struct mlx5_ib_ucontext *context; 102112515907SHans Petter Selasky struct mlx5_uuar_info *uuari; 102212515907SHans Petter Selasky struct mlx5_uar *uars; 102312515907SHans Petter Selasky int gross_uuars; 102412515907SHans Petter Selasky int num_uars; 102512515907SHans Petter Selasky int ver; 102612515907SHans Petter Selasky int uuarn; 102712515907SHans Petter Selasky int err; 102812515907SHans Petter Selasky int i; 102912515907SHans Petter Selasky size_t reqlen; 10308e6e287fSHans Petter Selasky size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, 10318e6e287fSHans Petter Selasky max_cqe_version); 103212515907SHans Petter Selasky 103312515907SHans Petter Selasky if (!dev->ib_active) 103412515907SHans Petter Selasky return ERR_PTR(-EAGAIN); 103512515907SHans Petter Selasky 10368e6e287fSHans Petter Selasky if (udata->inlen < sizeof(struct ib_uverbs_cmd_hdr)) 10378e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 103812515907SHans Petter Selasky 103912515907SHans Petter Selasky reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); 104012515907SHans Petter Selasky if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) 104112515907SHans Petter Selasky ver = 0; 10428e6e287fSHans Petter Selasky else if (reqlen >= min_req_v2) 104312515907SHans Petter Selasky ver = 2; 10448e6e287fSHans Petter Selasky else 104512515907SHans Petter Selasky return ERR_PTR(-EINVAL); 104612515907SHans Petter Selasky 10478e6e287fSHans Petter Selasky err = ib_copy_from_udata(&req, udata, min(reqlen, sizeof(req))); 10488e6e287fSHans Petter Selasky if (err) 104912515907SHans Petter Selasky return ERR_PTR(err); 105012515907SHans Petter Selasky 10518e6e287fSHans Petter Selasky if (req.flags) 105212515907SHans Petter Selasky return ERR_PTR(-EINVAL); 105312515907SHans Petter Selasky 10548e6e287fSHans Petter Selasky if (req.total_num_uuars > MLX5_MAX_UUARS) 105512515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 10568e6e287fSHans Petter Selasky 10578e6e287fSHans Petter Selasky if (req.total_num_uuars == 0) 10588e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 10598e6e287fSHans Petter Selasky 10608e6e287fSHans Petter Selasky if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) 10618e6e287fSHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 10628e6e287fSHans Petter Selasky 10638e6e287fSHans Petter Selasky if (reqlen > sizeof(req) && 10648e6e287fSHans Petter Selasky !ib_is_udata_cleared(udata, sizeof(req), 10658e6e287fSHans Petter Selasky reqlen - sizeof(req))) 10668e6e287fSHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 106712515907SHans Petter Selasky 106812515907SHans Petter Selasky req.total_num_uuars = ALIGN(req.total_num_uuars, 106912515907SHans Petter Selasky MLX5_NON_FP_BF_REGS_PER_PAGE); 10708e6e287fSHans Petter Selasky if (req.num_low_latency_uuars > req.total_num_uuars - 1) 107112515907SHans Petter Selasky return ERR_PTR(-EINVAL); 107212515907SHans Petter Selasky 107312515907SHans Petter Selasky num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE; 107412515907SHans Petter Selasky gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE; 107512515907SHans Petter Selasky resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); 107612515907SHans Petter Selasky if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) 107712515907SHans Petter Selasky resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); 10788e6e287fSHans Petter Selasky resp.cache_line_size = cache_line_size(); 107912515907SHans Petter Selasky resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); 108012515907SHans Petter Selasky resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); 108112515907SHans Petter Selasky resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 108212515907SHans Petter Selasky resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 108312515907SHans Petter Selasky resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); 10848e6e287fSHans Petter Selasky resp.cqe_version = min_t(__u8, 10858e6e287fSHans Petter Selasky (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), 10868e6e287fSHans Petter Selasky req.max_cqe_version); 10878e6e287fSHans Petter Selasky resp.response_length = min(offsetof(typeof(resp), response_length) + 10888e6e287fSHans Petter Selasky sizeof(resp.response_length), udata->outlen); 108912515907SHans Petter Selasky 109012515907SHans Petter Selasky context = kzalloc(sizeof(*context), GFP_KERNEL); 109112515907SHans Petter Selasky if (!context) 109212515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 109312515907SHans Petter Selasky 109412515907SHans Petter Selasky uuari = &context->uuari; 109512515907SHans Petter Selasky mutex_init(&uuari->lock); 109612515907SHans Petter Selasky uars = kcalloc(num_uars, sizeof(*uars), GFP_KERNEL); 109712515907SHans Petter Selasky if (!uars) { 109812515907SHans Petter Selasky err = -ENOMEM; 109912515907SHans Petter Selasky goto out_ctx; 110012515907SHans Petter Selasky } 110112515907SHans Petter Selasky 110212515907SHans Petter Selasky uuari->bitmap = kcalloc(BITS_TO_LONGS(gross_uuars), 110312515907SHans Petter Selasky sizeof(*uuari->bitmap), 110412515907SHans Petter Selasky GFP_KERNEL); 110512515907SHans Petter Selasky if (!uuari->bitmap) { 110612515907SHans Petter Selasky err = -ENOMEM; 110712515907SHans Petter Selasky goto out_uar_ctx; 110812515907SHans Petter Selasky } 110912515907SHans Petter Selasky /* 111012515907SHans Petter Selasky * clear all fast path uuars 111112515907SHans Petter Selasky */ 111212515907SHans Petter Selasky for (i = 0; i < gross_uuars; i++) { 111312515907SHans Petter Selasky uuarn = i & 3; 111412515907SHans Petter Selasky if (uuarn == 2 || uuarn == 3) 111512515907SHans Petter Selasky set_bit(i, uuari->bitmap); 111612515907SHans Petter Selasky } 111712515907SHans Petter Selasky 111812515907SHans Petter Selasky uuari->count = kcalloc(gross_uuars, sizeof(*uuari->count), GFP_KERNEL); 111912515907SHans Petter Selasky if (!uuari->count) { 112012515907SHans Petter Selasky err = -ENOMEM; 112112515907SHans Petter Selasky goto out_bitmap; 112212515907SHans Petter Selasky } 112312515907SHans Petter Selasky 112412515907SHans Petter Selasky for (i = 0; i < num_uars; i++) { 112512515907SHans Petter Selasky err = mlx5_cmd_alloc_uar(dev->mdev, &uars[i].index); 11268e6e287fSHans Petter Selasky if (err) 11278e6e287fSHans Petter Selasky goto out_count; 11288e6e287fSHans Petter Selasky } 11298e6e287fSHans Petter Selasky 11308e6e287fSHans Petter Selasky #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 11318e6e287fSHans Petter Selasky context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; 11328e6e287fSHans Petter Selasky #endif 11338e6e287fSHans Petter Selasky 11348e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { 11358e6e287fSHans Petter Selasky err = mlx5_alloc_transport_domain(dev->mdev, 11368e6e287fSHans Petter Selasky &context->tdn); 11378e6e287fSHans Petter Selasky if (err) 113812515907SHans Petter Selasky goto out_uars; 113912515907SHans Petter Selasky } 114012515907SHans Petter Selasky 11418e6e287fSHans Petter Selasky INIT_LIST_HEAD(&context->vma_private_list); 114212515907SHans Petter Selasky INIT_LIST_HEAD(&context->db_page_list); 114312515907SHans Petter Selasky mutex_init(&context->db_page_mutex); 114412515907SHans Petter Selasky 114512515907SHans Petter Selasky resp.tot_uuars = req.total_num_uuars; 114612515907SHans Petter Selasky resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports); 11478e6e287fSHans Petter Selasky 11488e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cqe_version, udata->outlen)) 11498e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cqe_version); 11508e6e287fSHans Petter Selasky 11518e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { 11521456d97cSHans Petter Selasky resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | 11531456d97cSHans Petter Selasky MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; 11548e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cmds_supp_uhw); 11558e6e287fSHans Petter Selasky } 11568e6e287fSHans Petter Selasky 11578e6e287fSHans Petter Selasky /* 11588e6e287fSHans Petter Selasky * We don't want to expose information from the PCI bar that is located 11598e6e287fSHans Petter Selasky * after 4096 bytes, so if the arch only supports larger pages, let's 11608e6e287fSHans Petter Selasky * pretend we don't support reading the HCA's core clock. This is also 11618e6e287fSHans Petter Selasky * forced by mmap function. 11628e6e287fSHans Petter Selasky */ 11638e6e287fSHans Petter Selasky if (PAGE_SIZE <= 4096 && 11648e6e287fSHans Petter Selasky field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { 11658e6e287fSHans Petter Selasky resp.comp_mask |= 11668e6e287fSHans Petter Selasky MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; 11678e6e287fSHans Petter Selasky resp.hca_core_clock_offset = 11688e6e287fSHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h) % 11698e6e287fSHans Petter Selasky PAGE_SIZE; 11708e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.hca_core_clock_offset) + 11718e6e287fSHans Petter Selasky sizeof(resp.reserved2); 11728e6e287fSHans Petter Selasky } 11738e6e287fSHans Petter Selasky 11748e6e287fSHans Petter Selasky err = ib_copy_to_udata(udata, &resp, resp.response_length); 117512515907SHans Petter Selasky if (err) 11768e6e287fSHans Petter Selasky goto out_td; 117712515907SHans Petter Selasky 117812515907SHans Petter Selasky uuari->ver = ver; 117912515907SHans Petter Selasky uuari->num_low_latency_uuars = req.num_low_latency_uuars; 118012515907SHans Petter Selasky uuari->uars = uars; 118112515907SHans Petter Selasky uuari->num_uars = num_uars; 11828e6e287fSHans Petter Selasky context->cqe_version = resp.cqe_version; 118312515907SHans Petter Selasky 118412515907SHans Petter Selasky return &context->ibucontext; 118512515907SHans Petter Selasky 11868e6e287fSHans Petter Selasky out_td: 11878e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 11888e6e287fSHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, context->tdn); 11898e6e287fSHans Petter Selasky 119012515907SHans Petter Selasky out_uars: 119112515907SHans Petter Selasky for (i--; i >= 0; i--) 119212515907SHans Petter Selasky mlx5_cmd_free_uar(dev->mdev, uars[i].index); 11938e6e287fSHans Petter Selasky out_count: 119412515907SHans Petter Selasky kfree(uuari->count); 119512515907SHans Petter Selasky 119612515907SHans Petter Selasky out_bitmap: 119712515907SHans Petter Selasky kfree(uuari->bitmap); 119812515907SHans Petter Selasky 119912515907SHans Petter Selasky out_uar_ctx: 120012515907SHans Petter Selasky kfree(uars); 120112515907SHans Petter Selasky 120212515907SHans Petter Selasky out_ctx: 120312515907SHans Petter Selasky kfree(context); 120412515907SHans Petter Selasky return ERR_PTR(err); 120512515907SHans Petter Selasky } 120612515907SHans Petter Selasky 120712515907SHans Petter Selasky static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) 120812515907SHans Petter Selasky { 120912515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 121012515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 121112515907SHans Petter Selasky struct mlx5_uuar_info *uuari = &context->uuari; 121212515907SHans Petter Selasky int i; 121312515907SHans Petter Selasky 12148e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 121512515907SHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, context->tdn); 121612515907SHans Petter Selasky 121712515907SHans Petter Selasky for (i = 0; i < uuari->num_uars; i++) { 121812515907SHans Petter Selasky if (mlx5_cmd_free_uar(dev->mdev, uuari->uars[i].index)) 121912515907SHans Petter Selasky mlx5_ib_warn(dev, "failed to free UAR 0x%x\n", uuari->uars[i].index); 122012515907SHans Petter Selasky } 122112515907SHans Petter Selasky 122212515907SHans Petter Selasky kfree(uuari->count); 122312515907SHans Petter Selasky kfree(uuari->bitmap); 122412515907SHans Petter Selasky kfree(uuari->uars); 122512515907SHans Petter Selasky kfree(context); 122612515907SHans Petter Selasky 122712515907SHans Petter Selasky return 0; 122812515907SHans Petter Selasky } 122912515907SHans Petter Selasky 123012515907SHans Petter Selasky static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, int index) 123112515907SHans Petter Selasky { 123212515907SHans Petter Selasky return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + index; 123312515907SHans Petter Selasky } 123412515907SHans Petter Selasky 123512515907SHans Petter Selasky static int get_command(unsigned long offset) 123612515907SHans Petter Selasky { 123712515907SHans Petter Selasky return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; 123812515907SHans Petter Selasky } 123912515907SHans Petter Selasky 124012515907SHans Petter Selasky static int get_arg(unsigned long offset) 124112515907SHans Petter Selasky { 124212515907SHans Petter Selasky return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); 124312515907SHans Petter Selasky } 124412515907SHans Petter Selasky 124512515907SHans Petter Selasky static int get_index(unsigned long offset) 124612515907SHans Petter Selasky { 124712515907SHans Petter Selasky return get_arg(offset); 124812515907SHans Petter Selasky } 124912515907SHans Petter Selasky 12508e6e287fSHans Petter Selasky static void mlx5_ib_vma_open(struct vm_area_struct *area) 12518e6e287fSHans Petter Selasky { 12528e6e287fSHans Petter Selasky /* vma_open is called when a new VMA is created on top of our VMA. This 12538e6e287fSHans Petter Selasky * is done through either mremap flow or split_vma (usually due to 12548e6e287fSHans Petter Selasky * mlock, madvise, munmap, etc.) We do not support a clone of the VMA, 12558e6e287fSHans Petter Selasky * as this VMA is strongly hardware related. Therefore we set the 12568e6e287fSHans Petter Selasky * vm_ops of the newly created/cloned VMA to NULL, to prevent it from 12578e6e287fSHans Petter Selasky * calling us again and trying to do incorrect actions. We assume that 12588e6e287fSHans Petter Selasky * the original VMA size is exactly a single page, and therefore all 12598e6e287fSHans Petter Selasky * "splitting" operation will not happen to it. 12608e6e287fSHans Petter Selasky */ 12618e6e287fSHans Petter Selasky area->vm_ops = NULL; 12628e6e287fSHans Petter Selasky } 12638e6e287fSHans Petter Selasky 12648e6e287fSHans Petter Selasky static void mlx5_ib_vma_close(struct vm_area_struct *area) 12658e6e287fSHans Petter Selasky { 12668e6e287fSHans Petter Selasky struct mlx5_ib_vma_private_data *mlx5_ib_vma_priv_data; 12678e6e287fSHans Petter Selasky 12688e6e287fSHans Petter Selasky /* It's guaranteed that all VMAs opened on a FD are closed before the 12698e6e287fSHans Petter Selasky * file itself is closed, therefore no sync is needed with the regular 12708e6e287fSHans Petter Selasky * closing flow. (e.g. mlx5 ib_dealloc_ucontext) 12718e6e287fSHans Petter Selasky * However need a sync with accessing the vma as part of 12728e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext. 12738e6e287fSHans Petter Selasky * The close operation is usually called under mm->mmap_sem except when 12748e6e287fSHans Petter Selasky * process is exiting. 12758e6e287fSHans Petter Selasky * The exiting case is handled explicitly as part of 12768e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext. 12778e6e287fSHans Petter Selasky */ 12788e6e287fSHans Petter Selasky mlx5_ib_vma_priv_data = (struct mlx5_ib_vma_private_data *)area->vm_private_data; 12798e6e287fSHans Petter Selasky 12808e6e287fSHans Petter Selasky /* setting the vma context pointer to null in the mlx5_ib driver's 12818e6e287fSHans Petter Selasky * private data, to protect a race condition in 12828e6e287fSHans Petter Selasky * mlx5_ib_disassociate_ucontext(). 12838e6e287fSHans Petter Selasky */ 12848e6e287fSHans Petter Selasky mlx5_ib_vma_priv_data->vma = NULL; 12858e6e287fSHans Petter Selasky list_del(&mlx5_ib_vma_priv_data->list); 12868e6e287fSHans Petter Selasky kfree(mlx5_ib_vma_priv_data); 12878e6e287fSHans Petter Selasky } 12888e6e287fSHans Petter Selasky 12898e6e287fSHans Petter Selasky static const struct vm_operations_struct mlx5_ib_vm_ops = { 12908e6e287fSHans Petter Selasky .open = mlx5_ib_vma_open, 12918e6e287fSHans Petter Selasky .close = mlx5_ib_vma_close 12928e6e287fSHans Petter Selasky }; 12938e6e287fSHans Petter Selasky 12948e6e287fSHans Petter Selasky static int mlx5_ib_set_vma_data(struct vm_area_struct *vma, 12958e6e287fSHans Petter Selasky struct mlx5_ib_ucontext *ctx) 12968e6e287fSHans Petter Selasky { 12978e6e287fSHans Petter Selasky struct mlx5_ib_vma_private_data *vma_prv; 12988e6e287fSHans Petter Selasky struct list_head *vma_head = &ctx->vma_private_list; 12998e6e287fSHans Petter Selasky 13008e6e287fSHans Petter Selasky vma_prv = kzalloc(sizeof(*vma_prv), GFP_KERNEL); 13018e6e287fSHans Petter Selasky if (!vma_prv) 13028e6e287fSHans Petter Selasky return -ENOMEM; 13038e6e287fSHans Petter Selasky 13048e6e287fSHans Petter Selasky vma_prv->vma = vma; 13058e6e287fSHans Petter Selasky vma->vm_private_data = vma_prv; 13068e6e287fSHans Petter Selasky vma->vm_ops = &mlx5_ib_vm_ops; 13078e6e287fSHans Petter Selasky 13088e6e287fSHans Petter Selasky list_add(&vma_prv->list, vma_head); 13098e6e287fSHans Petter Selasky 13108e6e287fSHans Petter Selasky return 0; 13118e6e287fSHans Petter Selasky } 13128e6e287fSHans Petter Selasky 13138e6e287fSHans Petter Selasky static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) 13148e6e287fSHans Petter Selasky { 13158e6e287fSHans Petter Selasky switch (cmd) { 13168e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 13178e6e287fSHans Petter Selasky return "WC"; 13188e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 13198e6e287fSHans Petter Selasky return "best effort WC"; 13208e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 13218e6e287fSHans Petter Selasky return "NC"; 13228e6e287fSHans Petter Selasky default: 13238e6e287fSHans Petter Selasky return NULL; 13248e6e287fSHans Petter Selasky } 13258e6e287fSHans Petter Selasky } 13268e6e287fSHans Petter Selasky 13278e6e287fSHans Petter Selasky static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, 13288e6e287fSHans Petter Selasky struct vm_area_struct *vma, 132912515907SHans Petter Selasky struct mlx5_ib_ucontext *context) 133012515907SHans Petter Selasky { 13318e6e287fSHans Petter Selasky struct mlx5_uuar_info *uuari = &context->uuari; 13328e6e287fSHans Petter Selasky int err; 133312515907SHans Petter Selasky unsigned long idx; 13348e6e287fSHans Petter Selasky phys_addr_t pfn, pa; 13358e6e287fSHans Petter Selasky pgprot_t prot; 133612515907SHans Petter Selasky 13378e6e287fSHans Petter Selasky switch (cmd) { 13388e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 13398e6e287fSHans Petter Selasky /* Some architectures don't support WC memory */ 13408e6e287fSHans Petter Selasky #if defined(CONFIG_X86) 13418e6e287fSHans Petter Selasky if (!pat_enabled()) 13428e6e287fSHans Petter Selasky return -EPERM; 13438e6e287fSHans Petter Selasky #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) 13448e6e287fSHans Petter Selasky return -EPERM; 13458e6e287fSHans Petter Selasky #endif 13468e6e287fSHans Petter Selasky /* fall through */ 13478e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 13488e6e287fSHans Petter Selasky /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ 13498e6e287fSHans Petter Selasky prot = pgprot_writecombine(vma->vm_page_prot); 13508e6e287fSHans Petter Selasky break; 13518e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 13528e6e287fSHans Petter Selasky prot = pgprot_noncached(vma->vm_page_prot); 13538e6e287fSHans Petter Selasky break; 13548e6e287fSHans Petter Selasky default: 135512515907SHans Petter Selasky return -EINVAL; 135612515907SHans Petter Selasky } 135712515907SHans Petter Selasky 13588e6e287fSHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 13598e6e287fSHans Petter Selasky return -EINVAL; 13608e6e287fSHans Petter Selasky 136112515907SHans Petter Selasky idx = get_index(vma->vm_pgoff); 13628e6e287fSHans Petter Selasky if (idx >= uuari->num_uars) 136312515907SHans Petter Selasky return -EINVAL; 136412515907SHans Petter Selasky 136512515907SHans Petter Selasky pfn = uar_index2pfn(dev, uuari->uars[idx].index); 13668e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); 136712515907SHans Petter Selasky 136812515907SHans Petter Selasky vma->vm_page_prot = prot; 13698e6e287fSHans Petter Selasky err = io_remap_pfn_range(vma, vma->vm_start, pfn, 13708e6e287fSHans Petter Selasky PAGE_SIZE, vma->vm_page_prot); 13718e6e287fSHans Petter Selasky if (err) { 1372c3125bc5SHans Petter Selasky mlx5_ib_err(dev, "io_remap_pfn_range failed with error=%d, vm_start=0x%llx, pfn=%pa, mmap_cmd=%s\n", 1373c3125bc5SHans Petter Selasky err, (unsigned long long)vma->vm_start, &pfn, mmap_cmd2str(cmd)); 137412515907SHans Petter Selasky return -EAGAIN; 137512515907SHans Petter Selasky } 137612515907SHans Petter Selasky 13778e6e287fSHans Petter Selasky pa = pfn << PAGE_SHIFT; 1378c3125bc5SHans Petter Selasky mlx5_ib_dbg(dev, "mapped %s at 0x%llx, PA %pa\n", mmap_cmd2str(cmd), 1379c3125bc5SHans Petter Selasky (unsigned long long)vma->vm_start, &pa); 138012515907SHans Petter Selasky 13818e6e287fSHans Petter Selasky return mlx5_ib_set_vma_data(vma, context); 138212515907SHans Petter Selasky } 138312515907SHans Petter Selasky 138412515907SHans Petter Selasky static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) 138512515907SHans Petter Selasky { 138612515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 138712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 138812515907SHans Petter Selasky unsigned long command; 13898e6e287fSHans Petter Selasky phys_addr_t pfn; 139012515907SHans Petter Selasky 139112515907SHans Petter Selasky command = get_command(vma->vm_pgoff); 139212515907SHans Petter Selasky switch (command) { 139312515907SHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 139412515907SHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 13958e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 13968e6e287fSHans Petter Selasky return uar_mmap(dev, command, vma, context); 13978e6e287fSHans Petter Selasky 13988e6e287fSHans Petter Selasky case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: 13998e6e287fSHans Petter Selasky return -ENOSYS; 14008e6e287fSHans Petter Selasky 14018e6e287fSHans Petter Selasky case MLX5_IB_MMAP_CORE_CLOCK: 14028e6e287fSHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 14038e6e287fSHans Petter Selasky return -EINVAL; 14048e6e287fSHans Petter Selasky 14058e6e287fSHans Petter Selasky if (vma->vm_flags & VM_WRITE) 14068e6e287fSHans Petter Selasky return -EPERM; 14078e6e287fSHans Petter Selasky 14088e6e287fSHans Petter Selasky /* Don't expose to user-space information it shouldn't have */ 14098e6e287fSHans Petter Selasky if (PAGE_SIZE > 4096) 14108e6e287fSHans Petter Selasky return -EOPNOTSUPP; 14118e6e287fSHans Petter Selasky 14128e6e287fSHans Petter Selasky vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 14138e6e287fSHans Petter Selasky pfn = (dev->mdev->iseg_base + 14148e6e287fSHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h)) >> 14158e6e287fSHans Petter Selasky PAGE_SHIFT; 14168e6e287fSHans Petter Selasky if (io_remap_pfn_range(vma, vma->vm_start, pfn, 14178e6e287fSHans Petter Selasky PAGE_SIZE, vma->vm_page_prot)) 14188e6e287fSHans Petter Selasky return -EAGAIN; 14198e6e287fSHans Petter Selasky 1420c3125bc5SHans Petter Selasky mlx5_ib_dbg(dev, "mapped internal timer at 0x%llx, PA 0x%llx\n", 1421c3125bc5SHans Petter Selasky (unsigned long long)vma->vm_start, 14228e6e287fSHans Petter Selasky (unsigned long long)pfn << PAGE_SHIFT); 142312515907SHans Petter Selasky break; 142412515907SHans Petter Selasky 142512515907SHans Petter Selasky default: 142612515907SHans Petter Selasky return -EINVAL; 142712515907SHans Petter Selasky } 142812515907SHans Petter Selasky 142912515907SHans Petter Selasky return 0; 143012515907SHans Petter Selasky } 143112515907SHans Petter Selasky 143212515907SHans Petter Selasky static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, 143312515907SHans Petter Selasky struct ib_ucontext *context, 143412515907SHans Petter Selasky struct ib_udata *udata) 143512515907SHans Petter Selasky { 143612515907SHans Petter Selasky struct mlx5_ib_alloc_pd_resp resp; 143712515907SHans Petter Selasky struct mlx5_ib_pd *pd; 143812515907SHans Petter Selasky int err; 143912515907SHans Petter Selasky 144012515907SHans Petter Selasky pd = kmalloc(sizeof(*pd), GFP_KERNEL); 144112515907SHans Petter Selasky if (!pd) 144212515907SHans Petter Selasky return ERR_PTR(-ENOMEM); 144312515907SHans Petter Selasky 144412515907SHans Petter Selasky err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn); 144512515907SHans Petter Selasky if (err) { 144612515907SHans Petter Selasky kfree(pd); 144712515907SHans Petter Selasky return ERR_PTR(err); 144812515907SHans Petter Selasky } 144912515907SHans Petter Selasky 145012515907SHans Petter Selasky if (context) { 145112515907SHans Petter Selasky resp.pdn = pd->pdn; 145212515907SHans Petter Selasky if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { 145312515907SHans Petter Selasky mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); 145412515907SHans Petter Selasky kfree(pd); 145512515907SHans Petter Selasky return ERR_PTR(-EFAULT); 145612515907SHans Petter Selasky } 145712515907SHans Petter Selasky } 145812515907SHans Petter Selasky 145912515907SHans Petter Selasky return &pd->ibpd; 146012515907SHans Petter Selasky } 146112515907SHans Petter Selasky 146212515907SHans Petter Selasky static int mlx5_ib_dealloc_pd(struct ib_pd *pd) 146312515907SHans Petter Selasky { 146412515907SHans Petter Selasky struct mlx5_ib_dev *mdev = to_mdev(pd->device); 146512515907SHans Petter Selasky struct mlx5_ib_pd *mpd = to_mpd(pd); 146612515907SHans Petter Selasky 146712515907SHans Petter Selasky mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); 146812515907SHans Petter Selasky kfree(mpd); 146912515907SHans Petter Selasky 147012515907SHans Petter Selasky return 0; 147112515907SHans Petter Selasky } 147212515907SHans Petter Selasky 14738e6e287fSHans Petter Selasky enum { 14748e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT, 14758e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT, 14768e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT 14778e6e287fSHans Petter Selasky }; 14788e6e287fSHans Petter Selasky 14798e6e287fSHans Petter Selasky #define HEADER_IS_ZERO(match_criteria, headers) \ 14808e6e287fSHans Petter Selasky !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ 14818e6e287fSHans Petter Selasky 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ 14828e6e287fSHans Petter Selasky 14838e6e287fSHans Petter Selasky static u8 get_match_criteria_enable(u32 *match_criteria) 14848e6e287fSHans Petter Selasky { 14858e6e287fSHans Petter Selasky u8 match_criteria_enable; 14868e6e287fSHans Petter Selasky 14878e6e287fSHans Petter Selasky match_criteria_enable = 14888e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, outer_headers)) << 14898e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT; 14908e6e287fSHans Petter Selasky match_criteria_enable |= 14918e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << 14928e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT; 14938e6e287fSHans Petter Selasky match_criteria_enable |= 14948e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, inner_headers)) << 14958e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT; 14968e6e287fSHans Petter Selasky 14978e6e287fSHans Petter Selasky return match_criteria_enable; 14988e6e287fSHans Petter Selasky } 14998e6e287fSHans Petter Selasky 15008e6e287fSHans Petter Selasky static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) 15018e6e287fSHans Petter Selasky { 15028e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); 15038e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); 15048e6e287fSHans Petter Selasky } 15058e6e287fSHans Petter Selasky 15068e6e287fSHans Petter Selasky static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) 15078e6e287fSHans Petter Selasky { 15088e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); 15098e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); 15108e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); 15118e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); 15128e6e287fSHans Petter Selasky } 15138e6e287fSHans Petter Selasky 15148e6e287fSHans Petter Selasky #define LAST_ETH_FIELD vlan_tag 15158e6e287fSHans Petter Selasky #define LAST_IB_FIELD sl 15168e6e287fSHans Petter Selasky #define LAST_IPV4_FIELD tos 15178e6e287fSHans Petter Selasky #define LAST_IPV6_FIELD traffic_class 15188e6e287fSHans Petter Selasky #define LAST_TCP_UDP_FIELD src_port 15198e6e287fSHans Petter Selasky 15208e6e287fSHans Petter Selasky /* Field is the last supported field */ 15218e6e287fSHans Petter Selasky #define FIELDS_NOT_SUPPORTED(filter, field)\ 15228e6e287fSHans Petter Selasky memchr_inv((void *)&filter.field +\ 15238e6e287fSHans Petter Selasky sizeof(filter.field), 0,\ 15248e6e287fSHans Petter Selasky sizeof(filter) -\ 15258e6e287fSHans Petter Selasky offsetof(typeof(filter), field) -\ 15268e6e287fSHans Petter Selasky sizeof(filter.field)) 15278e6e287fSHans Petter Selasky 15288e6e287fSHans Petter Selasky static int parse_flow_attr(u32 *match_c, u32 *match_v, 15298e6e287fSHans Petter Selasky const union ib_flow_spec *ib_spec) 15308e6e287fSHans Petter Selasky { 15318e6e287fSHans Petter Selasky void *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_c, 15328e6e287fSHans Petter Selasky outer_headers); 15338e6e287fSHans Petter Selasky void *outer_headers_v = MLX5_ADDR_OF(fte_match_param, match_v, 15348e6e287fSHans Petter Selasky outer_headers); 15358e6e287fSHans Petter Selasky void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, 15368e6e287fSHans Petter Selasky misc_parameters); 15378e6e287fSHans Petter Selasky void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, 15388e6e287fSHans Petter Selasky misc_parameters); 15398e6e287fSHans Petter Selasky 15408e6e287fSHans Petter Selasky switch (ib_spec->type) { 15418e6e287fSHans Petter Selasky case IB_FLOW_SPEC_ETH: 15428e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) 15438e6e287fSHans Petter Selasky return -ENOTSUPP; 15448e6e287fSHans Petter Selasky 15458e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 15468e6e287fSHans Petter Selasky dmac_47_16), 15478e6e287fSHans Petter Selasky ib_spec->eth.mask.dst_mac); 15488e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 15498e6e287fSHans Petter Selasky dmac_47_16), 15508e6e287fSHans Petter Selasky ib_spec->eth.val.dst_mac); 15518e6e287fSHans Petter Selasky 15528e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 15538e6e287fSHans Petter Selasky smac_47_16), 15548e6e287fSHans Petter Selasky ib_spec->eth.mask.src_mac); 15558e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 15568e6e287fSHans Petter Selasky smac_47_16), 15578e6e287fSHans Petter Selasky ib_spec->eth.val.src_mac); 15588e6e287fSHans Petter Selasky 15598e6e287fSHans Petter Selasky if (ib_spec->eth.mask.vlan_tag) { 15608e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15618e6e287fSHans Petter Selasky cvlan_tag, 1); 15628e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15638e6e287fSHans Petter Selasky cvlan_tag, 1); 15648e6e287fSHans Petter Selasky 15658e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15668e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); 15678e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15688e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.val.vlan_tag)); 15698e6e287fSHans Petter Selasky 15708e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15718e6e287fSHans Petter Selasky first_cfi, 15728e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 12); 15738e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15748e6e287fSHans Petter Selasky first_cfi, 15758e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 12); 15768e6e287fSHans Petter Selasky 15778e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15788e6e287fSHans Petter Selasky first_prio, 15798e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 13); 15808e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15818e6e287fSHans Petter Selasky first_prio, 15828e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 13); 15838e6e287fSHans Petter Selasky } 15848e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15858e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.mask.ether_type)); 15868e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15878e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.val.ether_type)); 15888e6e287fSHans Petter Selasky break; 15898e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV4: 15908e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) 15918e6e287fSHans Petter Selasky return -ENOTSUPP; 15928e6e287fSHans Petter Selasky 15938e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 15948e6e287fSHans Petter Selasky ethertype, 0xffff); 15958e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 15968e6e287fSHans Petter Selasky ethertype, ETH_P_IP); 15978e6e287fSHans Petter Selasky 15988e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 15998e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 16008e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.src_ip, 16018e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.src_ip)); 16028e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 16038e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 16048e6e287fSHans Petter Selasky &ib_spec->ipv4.val.src_ip, 16058e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.src_ip)); 16068e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 16078e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16088e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.dst_ip, 16098e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.dst_ip)); 16108e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 16118e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16128e6e287fSHans Petter Selasky &ib_spec->ipv4.val.dst_ip, 16138e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.dst_ip)); 16148e6e287fSHans Petter Selasky 16158e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 16168e6e287fSHans Petter Selasky ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); 16178e6e287fSHans Petter Selasky 16188e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 16198e6e287fSHans Petter Selasky ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); 16208e6e287fSHans Petter Selasky break; 16218e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV6: 16228e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) 16238e6e287fSHans Petter Selasky return -ENOTSUPP; 16248e6e287fSHans Petter Selasky 16258e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 16268e6e287fSHans Petter Selasky ethertype, 0xffff); 16278e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 16288e6e287fSHans Petter Selasky ethertype, IPPROTO_IPV6); 16298e6e287fSHans Petter Selasky 16308e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 16318e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 16328e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.src_ip, 16338e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.src_ip)); 16348e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 16358e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 16368e6e287fSHans Petter Selasky &ib_spec->ipv6.val.src_ip, 16378e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.src_ip)); 16388e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 16398e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16408e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.dst_ip, 16418e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.dst_ip)); 16428e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 16438e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16448e6e287fSHans Petter Selasky &ib_spec->ipv6.val.dst_ip, 16458e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.dst_ip)); 16468e6e287fSHans Petter Selasky 16478e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 16488e6e287fSHans Petter Selasky ib_spec->ipv6.mask.traffic_class, 16498e6e287fSHans Petter Selasky ib_spec->ipv6.val.traffic_class); 16508e6e287fSHans Petter Selasky 16518e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 16528e6e287fSHans Petter Selasky ib_spec->ipv6.mask.next_hdr, 16538e6e287fSHans Petter Selasky ib_spec->ipv6.val.next_hdr); 16548e6e287fSHans Petter Selasky 16558e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_c, 16568e6e287fSHans Petter Selasky outer_ipv6_flow_label, 16578e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.mask.flow_label)); 16588e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_v, 16598e6e287fSHans Petter Selasky outer_ipv6_flow_label, 16608e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.val.flow_label)); 16618e6e287fSHans Petter Selasky break; 16628e6e287fSHans Petter Selasky case IB_FLOW_SPEC_TCP: 16638e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 16648e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 16658e6e287fSHans Petter Selasky return -ENOTSUPP; 16668e6e287fSHans Petter Selasky 16678e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 16688e6e287fSHans Petter Selasky 0xff); 16698e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 16708e6e287fSHans Petter Selasky IPPROTO_TCP); 16718e6e287fSHans Petter Selasky 16728e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_sport, 16738e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 16748e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_sport, 16758e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 16768e6e287fSHans Petter Selasky 16778e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_dport, 16788e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 16798e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_dport, 16808e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 16818e6e287fSHans Petter Selasky break; 16828e6e287fSHans Petter Selasky case IB_FLOW_SPEC_UDP: 16838e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 16848e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 16858e6e287fSHans Petter Selasky return -ENOTSUPP; 16868e6e287fSHans Petter Selasky 16878e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 16888e6e287fSHans Petter Selasky 0xff); 16898e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 16908e6e287fSHans Petter Selasky IPPROTO_UDP); 16918e6e287fSHans Petter Selasky 16928e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_sport, 16938e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 16948e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_sport, 16958e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 16968e6e287fSHans Petter Selasky 16978e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_dport, 16988e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 16998e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport, 17008e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 17018e6e287fSHans Petter Selasky break; 17028e6e287fSHans Petter Selasky default: 17038e6e287fSHans Petter Selasky return -EINVAL; 17048e6e287fSHans Petter Selasky } 17058e6e287fSHans Petter Selasky 17068e6e287fSHans Petter Selasky return 0; 17078e6e287fSHans Petter Selasky } 17088e6e287fSHans Petter Selasky 17098e6e287fSHans Petter Selasky /* If a flow could catch both multicast and unicast packets, 17108e6e287fSHans Petter Selasky * it won't fall into the multicast flow steering table and this rule 17118e6e287fSHans Petter Selasky * could steal other multicast packets. 17128e6e287fSHans Petter Selasky */ 17138e6e287fSHans Petter Selasky static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr) 17148e6e287fSHans Petter Selasky { 17158e6e287fSHans Petter Selasky struct ib_flow_spec_eth *eth_spec; 17168e6e287fSHans Petter Selasky 17178e6e287fSHans Petter Selasky if (ib_attr->type != IB_FLOW_ATTR_NORMAL || 17188e6e287fSHans Petter Selasky ib_attr->size < sizeof(struct ib_flow_attr) + 17198e6e287fSHans Petter Selasky sizeof(struct ib_flow_spec_eth) || 17208e6e287fSHans Petter Selasky ib_attr->num_of_specs < 1) 17218e6e287fSHans Petter Selasky return false; 17228e6e287fSHans Petter Selasky 17238e6e287fSHans Petter Selasky eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1); 17248e6e287fSHans Petter Selasky if (eth_spec->type != IB_FLOW_SPEC_ETH || 17258e6e287fSHans Petter Selasky eth_spec->size != sizeof(*eth_spec)) 17268e6e287fSHans Petter Selasky return false; 17278e6e287fSHans Petter Selasky 17288e6e287fSHans Petter Selasky return is_multicast_ether_addr(eth_spec->mask.dst_mac) && 17298e6e287fSHans Petter Selasky is_multicast_ether_addr(eth_spec->val.dst_mac); 17308e6e287fSHans Petter Selasky } 17318e6e287fSHans Petter Selasky 17328e6e287fSHans Petter Selasky static bool is_valid_attr(const struct ib_flow_attr *flow_attr) 17338e6e287fSHans Petter Selasky { 17348e6e287fSHans Petter Selasky union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); 17358e6e287fSHans Petter Selasky bool has_ipv4_spec = false; 17368e6e287fSHans Petter Selasky bool eth_type_ipv4 = true; 17378e6e287fSHans Petter Selasky unsigned int spec_index; 17388e6e287fSHans Petter Selasky 17398e6e287fSHans Petter Selasky /* Validate that ethertype is correct */ 17408e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 17418e6e287fSHans Petter Selasky if (ib_spec->type == IB_FLOW_SPEC_ETH && 17428e6e287fSHans Petter Selasky ib_spec->eth.mask.ether_type) { 17438e6e287fSHans Petter Selasky if (!((ib_spec->eth.mask.ether_type == htons(0xffff)) && 17448e6e287fSHans Petter Selasky ib_spec->eth.val.ether_type == htons(ETH_P_IP))) 17458e6e287fSHans Petter Selasky eth_type_ipv4 = false; 17468e6e287fSHans Petter Selasky } else if (ib_spec->type == IB_FLOW_SPEC_IPV4) { 17478e6e287fSHans Petter Selasky has_ipv4_spec = true; 17488e6e287fSHans Petter Selasky } 17498e6e287fSHans Petter Selasky ib_spec = (void *)ib_spec + ib_spec->size; 17508e6e287fSHans Petter Selasky } 17518e6e287fSHans Petter Selasky return !has_ipv4_spec || eth_type_ipv4; 17528e6e287fSHans Petter Selasky } 17538e6e287fSHans Petter Selasky 17548e6e287fSHans Petter Selasky static void put_flow_table(struct mlx5_ib_dev *dev, 17558e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio, bool ft_added) 17568e6e287fSHans Petter Selasky { 17578e6e287fSHans Petter Selasky prio->refcount -= !!ft_added; 17588e6e287fSHans Petter Selasky if (!prio->refcount) { 17598e6e287fSHans Petter Selasky mlx5_destroy_flow_table(prio->flow_table); 17608e6e287fSHans Petter Selasky prio->flow_table = NULL; 17618e6e287fSHans Petter Selasky } 17628e6e287fSHans Petter Selasky } 17638e6e287fSHans Petter Selasky 17648e6e287fSHans Petter Selasky static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) 17658e6e287fSHans Petter Selasky { 17668e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); 17678e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = container_of(flow_id, 17688e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler, 17698e6e287fSHans Petter Selasky ibflow); 17708e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *iter, *tmp; 17718e6e287fSHans Petter Selasky 17728e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 17738e6e287fSHans Petter Selasky 17748e6e287fSHans Petter Selasky list_for_each_entry_safe(iter, tmp, &handler->list, list) { 17758e6e287fSHans Petter Selasky mlx5_del_flow_rule(iter->rule); 17768e6e287fSHans Petter Selasky put_flow_table(dev, iter->prio, true); 17778e6e287fSHans Petter Selasky list_del(&iter->list); 17788e6e287fSHans Petter Selasky kfree(iter); 17798e6e287fSHans Petter Selasky } 17808e6e287fSHans Petter Selasky 17818e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 17828e6e287fSHans Petter Selasky put_flow_table(dev, handler->prio, true); 17838e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 17848e6e287fSHans Petter Selasky 17858e6e287fSHans Petter Selasky kfree(handler); 17868e6e287fSHans Petter Selasky 17878e6e287fSHans Petter Selasky return 0; 17888e6e287fSHans Petter Selasky } 17898e6e287fSHans Petter Selasky 17908e6e287fSHans Petter Selasky static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) 17918e6e287fSHans Petter Selasky { 17928e6e287fSHans Petter Selasky priority *= 2; 17938e6e287fSHans Petter Selasky if (!dont_trap) 17948e6e287fSHans Petter Selasky priority++; 17958e6e287fSHans Petter Selasky return priority; 17968e6e287fSHans Petter Selasky } 17978e6e287fSHans Petter Selasky 17988e6e287fSHans Petter Selasky enum flow_table_type { 17998e6e287fSHans Petter Selasky MLX5_IB_FT_RX, 18008e6e287fSHans Petter Selasky MLX5_IB_FT_TX 18018e6e287fSHans Petter Selasky }; 18028e6e287fSHans Petter Selasky 18038e6e287fSHans Petter Selasky #define MLX5_FS_MAX_TYPES 10 18048e6e287fSHans Petter Selasky #define MLX5_FS_MAX_ENTRIES 32000UL 18058e6e287fSHans Petter Selasky static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, 18068e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 18078e6e287fSHans Petter Selasky enum flow_table_type ft_type) 18088e6e287fSHans Petter Selasky { 18098e6e287fSHans Petter Selasky bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; 18108e6e287fSHans Petter Selasky struct mlx5_flow_namespace *ns = NULL; 18118e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio; 18128e6e287fSHans Petter Selasky struct mlx5_flow_table *ft; 18138e6e287fSHans Petter Selasky int num_entries; 18148e6e287fSHans Petter Selasky int num_groups; 18158e6e287fSHans Petter Selasky int priority; 18168e6e287fSHans Petter Selasky int err = 0; 18178e6e287fSHans Petter Selasky 18188e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { 18198e6e287fSHans Petter Selasky if (flow_is_multicast_only(flow_attr) && 18208e6e287fSHans Petter Selasky !dont_trap) 18218e6e287fSHans Petter Selasky priority = MLX5_IB_FLOW_MCAST_PRIO; 18228e6e287fSHans Petter Selasky else 18238e6e287fSHans Petter Selasky priority = ib_prio_to_core_prio(flow_attr->priority, 18248e6e287fSHans Petter Selasky dont_trap); 18258e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 18268e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_BYPASS); 18278e6e287fSHans Petter Selasky num_entries = MLX5_FS_MAX_ENTRIES; 18288e6e287fSHans Petter Selasky num_groups = MLX5_FS_MAX_TYPES; 18298e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[priority]; 18308e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || 18318e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { 18328e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 18338e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_LEFTOVERS); 18348e6e287fSHans Petter Selasky build_leftovers_ft_param("bypass", &priority, 18358e6e287fSHans Petter Selasky &num_entries, 18368e6e287fSHans Petter Selasky &num_groups); 18378e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; 18388e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 18398e6e287fSHans Petter Selasky if (!MLX5_CAP_FLOWTABLE(dev->mdev, 18408e6e287fSHans Petter Selasky allow_sniffer_and_nic_rx_shared_tir)) 18418e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 18428e6e287fSHans Petter Selasky 18438e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? 18448e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_RX : 18458e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_TX); 18468e6e287fSHans Petter Selasky 18478e6e287fSHans Petter Selasky prio = &dev->flow_db.sniffer[ft_type]; 18488e6e287fSHans Petter Selasky priority = 0; 18498e6e287fSHans Petter Selasky num_entries = 1; 18508e6e287fSHans Petter Selasky num_groups = 1; 18518e6e287fSHans Petter Selasky } 18528e6e287fSHans Petter Selasky 18538e6e287fSHans Petter Selasky if (!ns) 18548e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 18558e6e287fSHans Petter Selasky 18568e6e287fSHans Petter Selasky ft = prio->flow_table; 18578e6e287fSHans Petter Selasky if (!ft) { 18588e6e287fSHans Petter Selasky ft = mlx5_create_auto_grouped_flow_table(ns, priority, "bypass", 18598e6e287fSHans Petter Selasky num_entries, 18608e6e287fSHans Petter Selasky num_groups); 18618e6e287fSHans Petter Selasky 18628e6e287fSHans Petter Selasky if (!IS_ERR(ft)) { 18638e6e287fSHans Petter Selasky prio->refcount = 0; 18648e6e287fSHans Petter Selasky prio->flow_table = ft; 18658e6e287fSHans Petter Selasky } else { 18668e6e287fSHans Petter Selasky err = PTR_ERR(ft); 18678e6e287fSHans Petter Selasky } 18688e6e287fSHans Petter Selasky } 18698e6e287fSHans Petter Selasky 18708e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : prio; 18718e6e287fSHans Petter Selasky } 18728e6e287fSHans Petter Selasky 18738e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, 18748e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 18758e6e287fSHans Petter Selasky const struct ib_flow_attr *flow_attr, 18768e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 18778e6e287fSHans Petter Selasky { 18788e6e287fSHans Petter Selasky struct mlx5_flow_table *ft = ft_prio->flow_table; 18798e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler; 18808e6e287fSHans Petter Selasky struct mlx5_flow_spec *spec; 18818e6e287fSHans Petter Selasky const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); 18828e6e287fSHans Petter Selasky unsigned int spec_index; 18838e6e287fSHans Petter Selasky u32 action; 18848e6e287fSHans Petter Selasky int err = 0; 18858e6e287fSHans Petter Selasky 18868e6e287fSHans Petter Selasky if (!is_valid_attr(flow_attr)) 18878e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 18888e6e287fSHans Petter Selasky 18898e6e287fSHans Petter Selasky spec = mlx5_vzalloc(sizeof(*spec)); 18908e6e287fSHans Petter Selasky handler = kzalloc(sizeof(*handler), GFP_KERNEL); 18918e6e287fSHans Petter Selasky if (!handler || !spec) { 18928e6e287fSHans Petter Selasky err = -ENOMEM; 18938e6e287fSHans Petter Selasky goto free; 18948e6e287fSHans Petter Selasky } 18958e6e287fSHans Petter Selasky 18968e6e287fSHans Petter Selasky INIT_LIST_HEAD(&handler->list); 18978e6e287fSHans Petter Selasky 18988e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 18998e6e287fSHans Petter Selasky err = parse_flow_attr(spec->match_criteria, 19008e6e287fSHans Petter Selasky spec->match_value, ib_flow); 19018e6e287fSHans Petter Selasky if (err < 0) 19028e6e287fSHans Petter Selasky goto free; 19038e6e287fSHans Petter Selasky 19048e6e287fSHans Petter Selasky ib_flow += ((union ib_flow_spec *)ib_flow)->size; 19058e6e287fSHans Petter Selasky } 19068e6e287fSHans Petter Selasky 19078e6e287fSHans Petter Selasky spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); 19088e6e287fSHans Petter Selasky action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : 19098e6e287fSHans Petter Selasky MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; 19108e6e287fSHans Petter Selasky handler->rule = mlx5_add_flow_rule(ft, spec->match_criteria_enable, 19118e6e287fSHans Petter Selasky spec->match_criteria, 19128e6e287fSHans Petter Selasky spec->match_value, 19138e6e287fSHans Petter Selasky action, 19148e6e287fSHans Petter Selasky MLX5_FS_DEFAULT_FLOW_TAG, 19158e6e287fSHans Petter Selasky dst); 19168e6e287fSHans Petter Selasky 19178e6e287fSHans Petter Selasky if (IS_ERR(handler->rule)) { 19188e6e287fSHans Petter Selasky err = PTR_ERR(handler->rule); 19198e6e287fSHans Petter Selasky goto free; 19208e6e287fSHans Petter Selasky } 19218e6e287fSHans Petter Selasky 19228e6e287fSHans Petter Selasky ft_prio->refcount++; 19238e6e287fSHans Petter Selasky handler->prio = ft_prio; 19248e6e287fSHans Petter Selasky 19258e6e287fSHans Petter Selasky ft_prio->flow_table = ft; 19268e6e287fSHans Petter Selasky free: 19278e6e287fSHans Petter Selasky if (err) 19288e6e287fSHans Petter Selasky kfree(handler); 19298e6e287fSHans Petter Selasky kvfree(spec); 19308e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : handler; 19318e6e287fSHans Petter Selasky } 19328e6e287fSHans Petter Selasky 19338e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, 19348e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 19358e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 19368e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 19378e6e287fSHans Petter Selasky { 19388e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_dst = NULL; 19398e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 19408e6e287fSHans Petter Selasky 19418e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); 19428e6e287fSHans Petter Selasky if (!IS_ERR(handler)) { 19438e6e287fSHans Petter Selasky handler_dst = create_flow_rule(dev, ft_prio, 19448e6e287fSHans Petter Selasky flow_attr, dst); 19458e6e287fSHans Petter Selasky if (IS_ERR(handler_dst)) { 19468e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 19478e6e287fSHans Petter Selasky ft_prio->refcount--; 19488e6e287fSHans Petter Selasky kfree(handler); 19498e6e287fSHans Petter Selasky handler = handler_dst; 19508e6e287fSHans Petter Selasky } else { 19518e6e287fSHans Petter Selasky list_add(&handler_dst->list, &handler->list); 19528e6e287fSHans Petter Selasky } 19538e6e287fSHans Petter Selasky } 19548e6e287fSHans Petter Selasky 19558e6e287fSHans Petter Selasky return handler; 19568e6e287fSHans Petter Selasky } 19578e6e287fSHans Petter Selasky enum { 19588e6e287fSHans Petter Selasky LEFTOVERS_MC, 19598e6e287fSHans Petter Selasky LEFTOVERS_UC, 19608e6e287fSHans Petter Selasky }; 19618e6e287fSHans Petter Selasky 19628e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, 19638e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 19648e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 19658e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 19668e6e287fSHans Petter Selasky { 19678e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_ucast = NULL; 19688e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 19698e6e287fSHans Petter Selasky 19708e6e287fSHans Petter Selasky static struct { 19718e6e287fSHans Petter Selasky struct ib_flow_attr flow_attr; 19728e6e287fSHans Petter Selasky struct ib_flow_spec_eth eth_flow; 19738e6e287fSHans Petter Selasky } leftovers_specs[] = { 19748e6e287fSHans Petter Selasky [LEFTOVERS_MC] = { 19758e6e287fSHans Petter Selasky .flow_attr = { 19768e6e287fSHans Petter Selasky .num_of_specs = 1, 19778e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 19788e6e287fSHans Petter Selasky }, 19798e6e287fSHans Petter Selasky .eth_flow = { 19808e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 19818e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 19828e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 19838e6e287fSHans Petter Selasky .val = {.dst_mac = {0x1} } 19848e6e287fSHans Petter Selasky } 19858e6e287fSHans Petter Selasky }, 19868e6e287fSHans Petter Selasky [LEFTOVERS_UC] = { 19878e6e287fSHans Petter Selasky .flow_attr = { 19888e6e287fSHans Petter Selasky .num_of_specs = 1, 19898e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 19908e6e287fSHans Petter Selasky }, 19918e6e287fSHans Petter Selasky .eth_flow = { 19928e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 19938e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 19948e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 19958e6e287fSHans Petter Selasky .val = {.dst_mac = {} } 19968e6e287fSHans Petter Selasky } 19978e6e287fSHans Petter Selasky } 19988e6e287fSHans Petter Selasky }; 19998e6e287fSHans Petter Selasky 20008e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, 20018e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_MC].flow_attr, 20028e6e287fSHans Petter Selasky dst); 20038e6e287fSHans Petter Selasky if (!IS_ERR(handler) && 20048e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { 20058e6e287fSHans Petter Selasky handler_ucast = create_flow_rule(dev, ft_prio, 20068e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_UC].flow_attr, 20078e6e287fSHans Petter Selasky dst); 20088e6e287fSHans Petter Selasky if (IS_ERR(handler_ucast)) { 20098e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler->rule); 20108e6e287fSHans Petter Selasky ft_prio->refcount--; 20118e6e287fSHans Petter Selasky kfree(handler); 20128e6e287fSHans Petter Selasky handler = handler_ucast; 20138e6e287fSHans Petter Selasky } else { 20148e6e287fSHans Petter Selasky list_add(&handler_ucast->list, &handler->list); 20158e6e287fSHans Petter Selasky } 20168e6e287fSHans Petter Selasky } 20178e6e287fSHans Petter Selasky 20188e6e287fSHans Petter Selasky return handler; 20198e6e287fSHans Petter Selasky } 20208e6e287fSHans Petter Selasky 20218e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, 20228e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_rx, 20238e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_tx, 20248e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 20258e6e287fSHans Petter Selasky { 20268e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_rx; 20278e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_tx; 20288e6e287fSHans Petter Selasky int err; 20298e6e287fSHans Petter Selasky static const struct ib_flow_attr flow_attr = { 20308e6e287fSHans Petter Selasky .num_of_specs = 0, 20318e6e287fSHans Petter Selasky .size = sizeof(flow_attr) 20328e6e287fSHans Petter Selasky }; 20338e6e287fSHans Petter Selasky 20348e6e287fSHans Petter Selasky handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); 20358e6e287fSHans Petter Selasky if (IS_ERR(handler_rx)) { 20368e6e287fSHans Petter Selasky err = PTR_ERR(handler_rx); 20378e6e287fSHans Petter Selasky goto err; 20388e6e287fSHans Petter Selasky } 20398e6e287fSHans Petter Selasky 20408e6e287fSHans Petter Selasky handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); 20418e6e287fSHans Petter Selasky if (IS_ERR(handler_tx)) { 20428e6e287fSHans Petter Selasky err = PTR_ERR(handler_tx); 20438e6e287fSHans Petter Selasky goto err_tx; 20448e6e287fSHans Petter Selasky } 20458e6e287fSHans Petter Selasky 20468e6e287fSHans Petter Selasky list_add(&handler_tx->list, &handler_rx->list); 20478e6e287fSHans Petter Selasky 20488e6e287fSHans Petter Selasky return handler_rx; 20498e6e287fSHans Petter Selasky 20508e6e287fSHans Petter Selasky err_tx: 20518e6e287fSHans Petter Selasky mlx5_del_flow_rule(handler_rx->rule); 20528e6e287fSHans Petter Selasky ft_rx->refcount--; 20538e6e287fSHans Petter Selasky kfree(handler_rx); 20548e6e287fSHans Petter Selasky err: 20558e6e287fSHans Petter Selasky return ERR_PTR(err); 20568e6e287fSHans Petter Selasky } 20578e6e287fSHans Petter Selasky 20588e6e287fSHans Petter Selasky static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, 20598e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 20608e6e287fSHans Petter Selasky int domain) 20618e6e287fSHans Petter Selasky { 20628e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(qp->device); 20638e6e287fSHans Petter Selasky struct mlx5_ib_qp *mqp = to_mqp(qp); 20648e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 20658e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst = NULL; 20668e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio_tx = NULL; 20678e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio; 20688e6e287fSHans Petter Selasky int err; 20698e6e287fSHans Petter Selasky 20708e6e287fSHans Petter Selasky if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) 20718e6e287fSHans Petter Selasky return ERR_PTR(-ENOSPC); 20728e6e287fSHans Petter Selasky 20738e6e287fSHans Petter Selasky if (domain != IB_FLOW_DOMAIN_USER || 20748e6e287fSHans Petter Selasky flow_attr->port > MLX5_CAP_GEN(dev->mdev, num_ports) || 20758e6e287fSHans Petter Selasky (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) 20768e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 20778e6e287fSHans Petter Selasky 20788e6e287fSHans Petter Selasky dst = kzalloc(sizeof(*dst), GFP_KERNEL); 20798e6e287fSHans Petter Selasky if (!dst) 20808e6e287fSHans Petter Selasky return ERR_PTR(-ENOMEM); 20818e6e287fSHans Petter Selasky 20828e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 20838e6e287fSHans Petter Selasky 20848e6e287fSHans Petter Selasky ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); 20858e6e287fSHans Petter Selasky if (IS_ERR(ft_prio)) { 20868e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio); 20878e6e287fSHans Petter Selasky goto unlock; 20888e6e287fSHans Petter Selasky } 20898e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 20908e6e287fSHans Petter Selasky ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); 20918e6e287fSHans Petter Selasky if (IS_ERR(ft_prio_tx)) { 20928e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio_tx); 20938e6e287fSHans Petter Selasky ft_prio_tx = NULL; 20948e6e287fSHans Petter Selasky goto destroy_ft; 20958e6e287fSHans Petter Selasky } 20968e6e287fSHans Petter Selasky } 20978e6e287fSHans Petter Selasky 20988e6e287fSHans Petter Selasky dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; 20998e6e287fSHans Petter Selasky if (mqp->flags & MLX5_IB_QP_RSS) 21008e6e287fSHans Petter Selasky dst->tir_num = mqp->rss_qp.tirn; 21018e6e287fSHans Petter Selasky else 21028e6e287fSHans Petter Selasky dst->tir_num = mqp->raw_packet_qp.rq.tirn; 21038e6e287fSHans Petter Selasky 21048e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { 21058e6e287fSHans Petter Selasky if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { 21068e6e287fSHans Petter Selasky handler = create_dont_trap_rule(dev, ft_prio, 21078e6e287fSHans Petter Selasky flow_attr, dst); 21088e6e287fSHans Petter Selasky } else { 21098e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, 21108e6e287fSHans Petter Selasky dst); 21118e6e287fSHans Petter Selasky } 21128e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || 21138e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { 21148e6e287fSHans Petter Selasky handler = create_leftovers_rule(dev, ft_prio, flow_attr, 21158e6e287fSHans Petter Selasky dst); 21168e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 21178e6e287fSHans Petter Selasky handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); 21188e6e287fSHans Petter Selasky } else { 21198e6e287fSHans Petter Selasky err = -EINVAL; 21208e6e287fSHans Petter Selasky goto destroy_ft; 21218e6e287fSHans Petter Selasky } 21228e6e287fSHans Petter Selasky 21238e6e287fSHans Petter Selasky if (IS_ERR(handler)) { 21248e6e287fSHans Petter Selasky err = PTR_ERR(handler); 21258e6e287fSHans Petter Selasky handler = NULL; 21268e6e287fSHans Petter Selasky goto destroy_ft; 21278e6e287fSHans Petter Selasky } 21288e6e287fSHans Petter Selasky 21298e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 21308e6e287fSHans Petter Selasky kfree(dst); 21318e6e287fSHans Petter Selasky 21328e6e287fSHans Petter Selasky return &handler->ibflow; 21338e6e287fSHans Petter Selasky 21348e6e287fSHans Petter Selasky destroy_ft: 21358e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio, false); 21368e6e287fSHans Petter Selasky if (ft_prio_tx) 21378e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio_tx, false); 21388e6e287fSHans Petter Selasky unlock: 21398e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 21408e6e287fSHans Petter Selasky kfree(dst); 21418e6e287fSHans Petter Selasky kfree(handler); 21428e6e287fSHans Petter Selasky return ERR_PTR(err); 21438e6e287fSHans Petter Selasky } 21448e6e287fSHans Petter Selasky 214512515907SHans Petter Selasky static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 214612515907SHans Petter Selasky { 214712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 214812515907SHans Petter Selasky int err; 214912515907SHans Petter Selasky 215012515907SHans Petter Selasky err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); 215112515907SHans Petter Selasky if (err) 215212515907SHans Petter Selasky mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", 215312515907SHans Petter Selasky ibqp->qp_num, gid->raw); 215412515907SHans Petter Selasky 215512515907SHans Petter Selasky return err; 215612515907SHans Petter Selasky } 215712515907SHans Petter Selasky 215812515907SHans Petter Selasky static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 215912515907SHans Petter Selasky { 216012515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 216112515907SHans Petter Selasky int err; 216212515907SHans Petter Selasky 216312515907SHans Petter Selasky err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); 216412515907SHans Petter Selasky if (err) 216512515907SHans Petter Selasky mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", 216612515907SHans Petter Selasky ibqp->qp_num, gid->raw); 216712515907SHans Petter Selasky 216812515907SHans Petter Selasky return err; 216912515907SHans Petter Selasky } 217012515907SHans Petter Selasky 217112515907SHans Petter Selasky static int init_node_data(struct mlx5_ib_dev *dev) 217212515907SHans Petter Selasky { 217312515907SHans Petter Selasky int err; 217412515907SHans Petter Selasky 217512515907SHans Petter Selasky err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); 217612515907SHans Petter Selasky if (err) 217712515907SHans Petter Selasky return err; 217812515907SHans Petter Selasky 217912515907SHans Petter Selasky return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); 218012515907SHans Petter Selasky } 218112515907SHans Petter Selasky 218212515907SHans Petter Selasky static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, 218312515907SHans Petter Selasky char *buf) 218412515907SHans Petter Selasky { 218512515907SHans Petter Selasky struct mlx5_ib_dev *dev = 218612515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 218712515907SHans Petter Selasky 218812515907SHans Petter Selasky return sprintf(buf, "%lld\n", (long long)dev->mdev->priv.fw_pages); 218912515907SHans Petter Selasky } 219012515907SHans Petter Selasky 219112515907SHans Petter Selasky static ssize_t show_reg_pages(struct device *device, 219212515907SHans Petter Selasky struct device_attribute *attr, char *buf) 219312515907SHans Petter Selasky { 219412515907SHans Petter Selasky struct mlx5_ib_dev *dev = 219512515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 219612515907SHans Petter Selasky 219712515907SHans Petter Selasky return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); 219812515907SHans Petter Selasky } 219912515907SHans Petter Selasky 220012515907SHans Petter Selasky static ssize_t show_hca(struct device *device, struct device_attribute *attr, 220112515907SHans Petter Selasky char *buf) 220212515907SHans Petter Selasky { 220312515907SHans Petter Selasky struct mlx5_ib_dev *dev = 220412515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 220512515907SHans Petter Selasky return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); 220612515907SHans Petter Selasky } 220712515907SHans Petter Selasky 220812515907SHans Petter Selasky static ssize_t show_rev(struct device *device, struct device_attribute *attr, 220912515907SHans Petter Selasky char *buf) 221012515907SHans Petter Selasky { 221112515907SHans Petter Selasky struct mlx5_ib_dev *dev = 221212515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 22138e6e287fSHans Petter Selasky return sprintf(buf, "%x\n", dev->mdev->pdev->revision); 221412515907SHans Petter Selasky } 221512515907SHans Petter Selasky 221612515907SHans Petter Selasky static ssize_t show_board(struct device *device, struct device_attribute *attr, 221712515907SHans Petter Selasky char *buf) 221812515907SHans Petter Selasky { 221912515907SHans Petter Selasky struct mlx5_ib_dev *dev = 222012515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 222112515907SHans Petter Selasky return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, 222212515907SHans Petter Selasky dev->mdev->board_id); 222312515907SHans Petter Selasky } 222412515907SHans Petter Selasky 222512515907SHans Petter Selasky static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 222612515907SHans Petter Selasky static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); 222712515907SHans Petter Selasky static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); 222812515907SHans Petter Selasky static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); 222912515907SHans Petter Selasky static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); 223012515907SHans Petter Selasky 223112515907SHans Petter Selasky static struct device_attribute *mlx5_class_attributes[] = { 223212515907SHans Petter Selasky &dev_attr_hw_rev, 223312515907SHans Petter Selasky &dev_attr_hca_type, 223412515907SHans Petter Selasky &dev_attr_board_id, 223512515907SHans Petter Selasky &dev_attr_fw_pages, 223612515907SHans Petter Selasky &dev_attr_reg_pages, 223712515907SHans Petter Selasky }; 223812515907SHans Petter Selasky 22398e6e287fSHans Petter Selasky static void pkey_change_handler(struct work_struct *work) 22408e6e287fSHans Petter Selasky { 22418e6e287fSHans Petter Selasky struct mlx5_ib_port_resources *ports = 22428e6e287fSHans Petter Selasky container_of(work, struct mlx5_ib_port_resources, 22438e6e287fSHans Petter Selasky pkey_change_work); 22448e6e287fSHans Petter Selasky 22458e6e287fSHans Petter Selasky mutex_lock(&ports->devr->mutex); 22468e6e287fSHans Petter Selasky mlx5_ib_gsi_pkey_change(ports->gsi); 22478e6e287fSHans Petter Selasky mutex_unlock(&ports->devr->mutex); 22488e6e287fSHans Petter Selasky } 22498e6e287fSHans Petter Selasky 225012515907SHans Petter Selasky static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) 225112515907SHans Petter Selasky { 225212515907SHans Petter Selasky struct mlx5_ib_qp *mqp; 225312515907SHans Petter Selasky struct mlx5_ib_cq *send_mcq, *recv_mcq; 225412515907SHans Petter Selasky struct mlx5_core_cq *mcq; 225512515907SHans Petter Selasky struct list_head cq_armed_list; 225612515907SHans Petter Selasky unsigned long flags_qp; 225712515907SHans Petter Selasky unsigned long flags_cq; 225812515907SHans Petter Selasky unsigned long flags; 225912515907SHans Petter Selasky 226012515907SHans Petter Selasky INIT_LIST_HEAD(&cq_armed_list); 226112515907SHans Petter Selasky 226212515907SHans Petter Selasky /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ 226312515907SHans Petter Selasky spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); 226412515907SHans Petter Selasky list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { 226512515907SHans Petter Selasky spin_lock_irqsave(&mqp->sq.lock, flags_qp); 226612515907SHans Petter Selasky if (mqp->sq.tail != mqp->sq.head) { 226712515907SHans Petter Selasky send_mcq = to_mcq(mqp->ibqp.send_cq); 226812515907SHans Petter Selasky spin_lock_irqsave(&send_mcq->lock, flags_cq); 226912515907SHans Petter Selasky if (send_mcq->mcq.comp && 227012515907SHans Petter Selasky mqp->ibqp.send_cq->comp_handler) { 227112515907SHans Petter Selasky if (!send_mcq->mcq.reset_notify_added) { 227212515907SHans Petter Selasky send_mcq->mcq.reset_notify_added = 1; 227312515907SHans Petter Selasky list_add_tail(&send_mcq->mcq.reset_notify, 227412515907SHans Petter Selasky &cq_armed_list); 227512515907SHans Petter Selasky } 227612515907SHans Petter Selasky } 227712515907SHans Petter Selasky spin_unlock_irqrestore(&send_mcq->lock, flags_cq); 227812515907SHans Petter Selasky } 227912515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); 228012515907SHans Petter Selasky spin_lock_irqsave(&mqp->rq.lock, flags_qp); 228112515907SHans Petter Selasky /* no handling is needed for SRQ */ 228212515907SHans Petter Selasky if (!mqp->ibqp.srq) { 228312515907SHans Petter Selasky if (mqp->rq.tail != mqp->rq.head) { 228412515907SHans Petter Selasky recv_mcq = to_mcq(mqp->ibqp.recv_cq); 228512515907SHans Petter Selasky spin_lock_irqsave(&recv_mcq->lock, flags_cq); 228612515907SHans Petter Selasky if (recv_mcq->mcq.comp && 228712515907SHans Petter Selasky mqp->ibqp.recv_cq->comp_handler) { 228812515907SHans Petter Selasky if (!recv_mcq->mcq.reset_notify_added) { 228912515907SHans Petter Selasky recv_mcq->mcq.reset_notify_added = 1; 229012515907SHans Petter Selasky list_add_tail(&recv_mcq->mcq.reset_notify, 229112515907SHans Petter Selasky &cq_armed_list); 229212515907SHans Petter Selasky } 229312515907SHans Petter Selasky } 229412515907SHans Petter Selasky spin_unlock_irqrestore(&recv_mcq->lock, 229512515907SHans Petter Selasky flags_cq); 229612515907SHans Petter Selasky } 229712515907SHans Petter Selasky } 229812515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); 229912515907SHans Petter Selasky } 230012515907SHans Petter Selasky /*At that point all inflight post send were put to be executed as of we 230112515907SHans Petter Selasky * lock/unlock above locks Now need to arm all involved CQs. 230212515907SHans Petter Selasky */ 230312515907SHans Petter Selasky list_for_each_entry(mcq, &cq_armed_list, reset_notify) { 230412515907SHans Petter Selasky mcq->comp(mcq); 230512515907SHans Petter Selasky } 230612515907SHans Petter Selasky spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); 230712515907SHans Petter Selasky } 230812515907SHans Petter Selasky 230912515907SHans Petter Selasky static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, 231012515907SHans Petter Selasky enum mlx5_dev_event event, unsigned long param) 231112515907SHans Petter Selasky { 231212515907SHans Petter Selasky struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; 231312515907SHans Petter Selasky struct ib_event ibev; 23148e6e287fSHans Petter Selasky bool fatal = false; 231512515907SHans Petter Selasky u8 port = 0; 231612515907SHans Petter Selasky 231712515907SHans Petter Selasky switch (event) { 231812515907SHans Petter Selasky case MLX5_DEV_EVENT_SYS_ERROR: 231912515907SHans Petter Selasky ibev.event = IB_EVENT_DEVICE_FATAL; 232012515907SHans Petter Selasky mlx5_ib_handle_internal_error(ibdev); 23218e6e287fSHans Petter Selasky fatal = true; 232212515907SHans Petter Selasky break; 232312515907SHans Petter Selasky 232412515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_UP: 232512515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_DOWN: 232612515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_INITIALIZED: 232712515907SHans Petter Selasky port = (u8)param; 23288e6e287fSHans Petter Selasky 23298e6e287fSHans Petter Selasky /* In RoCE, port up/down events are handled in 23308e6e287fSHans Petter Selasky * mlx5_netdev_event(). 23318e6e287fSHans Petter Selasky */ 23328e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == 23338e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) 23348e6e287fSHans Petter Selasky return; 23358e6e287fSHans Petter Selasky 23368e6e287fSHans Petter Selasky ibev.event = (event == MLX5_DEV_EVENT_PORT_UP) ? 23378e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 233812515907SHans Petter Selasky break; 233912515907SHans Petter Selasky 234012515907SHans Petter Selasky case MLX5_DEV_EVENT_LID_CHANGE: 234112515907SHans Petter Selasky ibev.event = IB_EVENT_LID_CHANGE; 234212515907SHans Petter Selasky port = (u8)param; 234312515907SHans Petter Selasky break; 234412515907SHans Petter Selasky 234512515907SHans Petter Selasky case MLX5_DEV_EVENT_PKEY_CHANGE: 234612515907SHans Petter Selasky ibev.event = IB_EVENT_PKEY_CHANGE; 234712515907SHans Petter Selasky port = (u8)param; 23488e6e287fSHans Petter Selasky 23498e6e287fSHans Petter Selasky schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); 235012515907SHans Petter Selasky break; 235112515907SHans Petter Selasky 235212515907SHans Petter Selasky case MLX5_DEV_EVENT_GUID_CHANGE: 235312515907SHans Petter Selasky ibev.event = IB_EVENT_GID_CHANGE; 235412515907SHans Petter Selasky port = (u8)param; 235512515907SHans Petter Selasky break; 235612515907SHans Petter Selasky 235712515907SHans Petter Selasky case MLX5_DEV_EVENT_CLIENT_REREG: 235812515907SHans Petter Selasky ibev.event = IB_EVENT_CLIENT_REREGISTER; 235912515907SHans Petter Selasky port = (u8)param; 236012515907SHans Petter Selasky break; 236112515907SHans Petter Selasky 236212515907SHans Petter Selasky default: 236312515907SHans Petter Selasky break; 236412515907SHans Petter Selasky } 236512515907SHans Petter Selasky 236612515907SHans Petter Selasky ibev.device = &ibdev->ib_dev; 236712515907SHans Petter Selasky ibev.element.port_num = port; 236812515907SHans Petter Selasky 23698e6e287fSHans Petter Selasky if (port < 1 || port > ibdev->num_ports) { 237012515907SHans Petter Selasky mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); 237112515907SHans Petter Selasky return; 237212515907SHans Petter Selasky } 237312515907SHans Petter Selasky 237412515907SHans Petter Selasky if (ibdev->ib_active) 237512515907SHans Petter Selasky ib_dispatch_event(&ibev); 23768e6e287fSHans Petter Selasky 23778e6e287fSHans Petter Selasky if (fatal) 23788e6e287fSHans Petter Selasky ibdev->ib_active = false; 237912515907SHans Petter Selasky } 238012515907SHans Petter Selasky 238112515907SHans Petter Selasky static void get_ext_port_caps(struct mlx5_ib_dev *dev) 238212515907SHans Petter Selasky { 238312515907SHans Petter Selasky int port; 238412515907SHans Petter Selasky 238512515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) 238612515907SHans Petter Selasky mlx5_query_ext_port_caps(dev, port); 238712515907SHans Petter Selasky } 238812515907SHans Petter Selasky 238912515907SHans Petter Selasky static int get_port_caps(struct mlx5_ib_dev *dev) 239012515907SHans Petter Selasky { 239112515907SHans Petter Selasky struct ib_device_attr *dprops = NULL; 239212515907SHans Petter Selasky struct ib_port_attr *pprops = NULL; 239312515907SHans Petter Selasky int err = -ENOMEM; 239412515907SHans Petter Selasky int port; 23958e6e287fSHans Petter Selasky struct ib_udata uhw = {.inlen = 0, .outlen = 0}; 239612515907SHans Petter Selasky 239712515907SHans Petter Selasky pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); 239812515907SHans Petter Selasky if (!pprops) 239912515907SHans Petter Selasky goto out; 240012515907SHans Petter Selasky 240112515907SHans Petter Selasky dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); 240212515907SHans Petter Selasky if (!dprops) 240312515907SHans Petter Selasky goto out; 240412515907SHans Petter Selasky 24058e6e287fSHans Petter Selasky err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); 240612515907SHans Petter Selasky if (err) { 240712515907SHans Petter Selasky mlx5_ib_warn(dev, "query_device failed %d\n", err); 240812515907SHans Petter Selasky goto out; 240912515907SHans Petter Selasky } 241012515907SHans Petter Selasky 241112515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { 241212515907SHans Petter Selasky err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); 241312515907SHans Petter Selasky if (err) { 241412515907SHans Petter Selasky mlx5_ib_warn(dev, "query_port %d failed %d\n", 241512515907SHans Petter Selasky port, err); 241612515907SHans Petter Selasky break; 241712515907SHans Petter Selasky } 24188e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].pkey_table_len = 24198e6e287fSHans Petter Selasky dprops->max_pkeys; 24208e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].gid_table_len = 24218e6e287fSHans Petter Selasky pprops->gid_tbl_len; 242212515907SHans Petter Selasky mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n", 242312515907SHans Petter Selasky dprops->max_pkeys, pprops->gid_tbl_len); 242412515907SHans Petter Selasky } 242512515907SHans Petter Selasky 242612515907SHans Petter Selasky out: 242712515907SHans Petter Selasky kfree(pprops); 242812515907SHans Petter Selasky kfree(dprops); 242912515907SHans Petter Selasky 243012515907SHans Petter Selasky return err; 243112515907SHans Petter Selasky } 243212515907SHans Petter Selasky 243312515907SHans Petter Selasky static void destroy_umrc_res(struct mlx5_ib_dev *dev) 243412515907SHans Petter Selasky { 243512515907SHans Petter Selasky int err; 243612515907SHans Petter Selasky 243712515907SHans Petter Selasky err = mlx5_mr_cache_cleanup(dev); 243812515907SHans Petter Selasky if (err) 243912515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache cleanup failed\n"); 244012515907SHans Petter Selasky 24418e6e287fSHans Petter Selasky mlx5_ib_destroy_qp(dev->umrc.qp); 24428e6e287fSHans Petter Selasky ib_free_cq(dev->umrc.cq); 244312515907SHans Petter Selasky ib_dealloc_pd(dev->umrc.pd); 244412515907SHans Petter Selasky } 244512515907SHans Petter Selasky 244612515907SHans Petter Selasky enum { 244712515907SHans Petter Selasky MAX_UMR_WR = 128, 244812515907SHans Petter Selasky }; 244912515907SHans Petter Selasky 245012515907SHans Petter Selasky static int create_umr_res(struct mlx5_ib_dev *dev) 245112515907SHans Petter Selasky { 24528e6e287fSHans Petter Selasky struct ib_qp_init_attr *init_attr = NULL; 24538e6e287fSHans Petter Selasky struct ib_qp_attr *attr = NULL; 245412515907SHans Petter Selasky struct ib_pd *pd; 24558e6e287fSHans Petter Selasky struct ib_cq *cq; 24568e6e287fSHans Petter Selasky struct ib_qp *qp; 245712515907SHans Petter Selasky int ret; 245812515907SHans Petter Selasky 24598e6e287fSHans Petter Selasky attr = kzalloc(sizeof(*attr), GFP_KERNEL); 24608e6e287fSHans Petter Selasky init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); 24618e6e287fSHans Petter Selasky if (!attr || !init_attr) { 24628e6e287fSHans Petter Selasky ret = -ENOMEM; 24638e6e287fSHans Petter Selasky goto error_0; 24648e6e287fSHans Petter Selasky } 24658e6e287fSHans Petter Selasky 24668e6e287fSHans Petter Selasky pd = ib_alloc_pd(&dev->ib_dev, 0); 246712515907SHans Petter Selasky if (IS_ERR(pd)) { 246812515907SHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); 246912515907SHans Petter Selasky ret = PTR_ERR(pd); 247012515907SHans Petter Selasky goto error_0; 247112515907SHans Petter Selasky } 247212515907SHans Petter Selasky 24738e6e287fSHans Petter Selasky cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); 24748e6e287fSHans Petter Selasky if (IS_ERR(cq)) { 24758e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); 24768e6e287fSHans Petter Selasky ret = PTR_ERR(cq); 24778e6e287fSHans Petter Selasky goto error_2; 247812515907SHans Petter Selasky } 247912515907SHans Petter Selasky 24808e6e287fSHans Petter Selasky init_attr->send_cq = cq; 24818e6e287fSHans Petter Selasky init_attr->recv_cq = cq; 24828e6e287fSHans Petter Selasky init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; 24838e6e287fSHans Petter Selasky init_attr->cap.max_send_wr = MAX_UMR_WR; 24848e6e287fSHans Petter Selasky init_attr->cap.max_send_sge = 1; 24858e6e287fSHans Petter Selasky init_attr->qp_type = MLX5_IB_QPT_REG_UMR; 24868e6e287fSHans Petter Selasky init_attr->port_num = 1; 24878e6e287fSHans Petter Selasky qp = mlx5_ib_create_qp(pd, init_attr, NULL); 24888e6e287fSHans Petter Selasky if (IS_ERR(qp)) { 24898e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); 24908e6e287fSHans Petter Selasky ret = PTR_ERR(qp); 24918e6e287fSHans Petter Selasky goto error_3; 24928e6e287fSHans Petter Selasky } 24938e6e287fSHans Petter Selasky qp->device = &dev->ib_dev; 24948e6e287fSHans Petter Selasky qp->real_qp = qp; 24958e6e287fSHans Petter Selasky qp->uobject = NULL; 24968e6e287fSHans Petter Selasky qp->qp_type = MLX5_IB_QPT_REG_UMR; 24978e6e287fSHans Petter Selasky 24988e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_INIT; 24998e6e287fSHans Petter Selasky attr->port_num = 1; 25008e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | 25018e6e287fSHans Petter Selasky IB_QP_PORT, NULL); 25028e6e287fSHans Petter Selasky if (ret) { 25038e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); 25048e6e287fSHans Petter Selasky goto error_4; 25058e6e287fSHans Petter Selasky } 25068e6e287fSHans Petter Selasky 25078e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 25088e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTR; 25098e6e287fSHans Petter Selasky attr->path_mtu = IB_MTU_256; 25108e6e287fSHans Petter Selasky 25118e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 25128e6e287fSHans Petter Selasky if (ret) { 25138e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); 25148e6e287fSHans Petter Selasky goto error_4; 25158e6e287fSHans Petter Selasky } 25168e6e287fSHans Petter Selasky 25178e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 25188e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTS; 25198e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 25208e6e287fSHans Petter Selasky if (ret) { 25218e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); 25228e6e287fSHans Petter Selasky goto error_4; 25238e6e287fSHans Petter Selasky } 25248e6e287fSHans Petter Selasky 25258e6e287fSHans Petter Selasky dev->umrc.qp = qp; 25268e6e287fSHans Petter Selasky dev->umrc.cq = cq; 252712515907SHans Petter Selasky dev->umrc.pd = pd; 252812515907SHans Petter Selasky 25298e6e287fSHans Petter Selasky sema_init(&dev->umrc.sem, MAX_UMR_WR); 253012515907SHans Petter Selasky ret = mlx5_mr_cache_init(dev); 253112515907SHans Petter Selasky if (ret) { 253212515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); 253312515907SHans Petter Selasky goto error_4; 253412515907SHans Petter Selasky } 253512515907SHans Petter Selasky 25368e6e287fSHans Petter Selasky kfree(attr); 25378e6e287fSHans Petter Selasky kfree(init_attr); 25388e6e287fSHans Petter Selasky 253912515907SHans Petter Selasky return 0; 254012515907SHans Petter Selasky 254112515907SHans Petter Selasky error_4: 25428e6e287fSHans Petter Selasky mlx5_ib_destroy_qp(qp); 25438e6e287fSHans Petter Selasky 25448e6e287fSHans Petter Selasky error_3: 25458e6e287fSHans Petter Selasky ib_free_cq(cq); 25468e6e287fSHans Petter Selasky 25478e6e287fSHans Petter Selasky error_2: 254812515907SHans Petter Selasky ib_dealloc_pd(pd); 25498e6e287fSHans Petter Selasky 255012515907SHans Petter Selasky error_0: 25518e6e287fSHans Petter Selasky kfree(attr); 25528e6e287fSHans Petter Selasky kfree(init_attr); 255312515907SHans Petter Selasky return ret; 255412515907SHans Petter Selasky } 255512515907SHans Petter Selasky 255612515907SHans Petter Selasky static int create_dev_resources(struct mlx5_ib_resources *devr) 255712515907SHans Petter Selasky { 255812515907SHans Petter Selasky struct ib_srq_init_attr attr; 255912515907SHans Petter Selasky struct mlx5_ib_dev *dev; 256012515907SHans Petter Selasky struct ib_cq_init_attr cq_attr = {.cqe = 1}; 25618e6e287fSHans Petter Selasky int port; 25628e6e287fSHans Petter Selasky int ret = 0; 256312515907SHans Petter Selasky 256412515907SHans Petter Selasky dev = container_of(devr, struct mlx5_ib_dev, devr); 256512515907SHans Petter Selasky 25668e6e287fSHans Petter Selasky mutex_init(&devr->mutex); 25678e6e287fSHans Petter Selasky 256812515907SHans Petter Selasky devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); 256912515907SHans Petter Selasky if (IS_ERR(devr->p0)) { 257012515907SHans Petter Selasky ret = PTR_ERR(devr->p0); 257112515907SHans Petter Selasky goto error0; 257212515907SHans Petter Selasky } 257312515907SHans Petter Selasky devr->p0->device = &dev->ib_dev; 257412515907SHans Petter Selasky devr->p0->uobject = NULL; 257512515907SHans Petter Selasky atomic_set(&devr->p0->usecnt, 0); 257612515907SHans Petter Selasky 257712515907SHans Petter Selasky devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); 257812515907SHans Petter Selasky if (IS_ERR(devr->c0)) { 257912515907SHans Petter Selasky ret = PTR_ERR(devr->c0); 258012515907SHans Petter Selasky goto error1; 258112515907SHans Petter Selasky } 258212515907SHans Petter Selasky devr->c0->device = &dev->ib_dev; 258312515907SHans Petter Selasky devr->c0->uobject = NULL; 258412515907SHans Petter Selasky devr->c0->comp_handler = NULL; 258512515907SHans Petter Selasky devr->c0->event_handler = NULL; 258612515907SHans Petter Selasky devr->c0->cq_context = NULL; 258712515907SHans Petter Selasky atomic_set(&devr->c0->usecnt, 0); 258812515907SHans Petter Selasky 258912515907SHans Petter Selasky devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); 259012515907SHans Petter Selasky if (IS_ERR(devr->x0)) { 259112515907SHans Petter Selasky ret = PTR_ERR(devr->x0); 259212515907SHans Petter Selasky goto error2; 259312515907SHans Petter Selasky } 259412515907SHans Petter Selasky devr->x0->device = &dev->ib_dev; 259512515907SHans Petter Selasky devr->x0->inode = NULL; 259612515907SHans Petter Selasky atomic_set(&devr->x0->usecnt, 0); 259712515907SHans Petter Selasky mutex_init(&devr->x0->tgt_qp_mutex); 259812515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x0->tgt_qp_list); 259912515907SHans Petter Selasky 260012515907SHans Petter Selasky devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); 260112515907SHans Petter Selasky if (IS_ERR(devr->x1)) { 260212515907SHans Petter Selasky ret = PTR_ERR(devr->x1); 260312515907SHans Petter Selasky goto error3; 260412515907SHans Petter Selasky } 260512515907SHans Petter Selasky devr->x1->device = &dev->ib_dev; 260612515907SHans Petter Selasky devr->x1->inode = NULL; 260712515907SHans Petter Selasky atomic_set(&devr->x1->usecnt, 0); 260812515907SHans Petter Selasky mutex_init(&devr->x1->tgt_qp_mutex); 260912515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x1->tgt_qp_list); 261012515907SHans Petter Selasky 261112515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 261212515907SHans Petter Selasky attr.attr.max_sge = 1; 261312515907SHans Petter Selasky attr.attr.max_wr = 1; 261412515907SHans Petter Selasky attr.srq_type = IB_SRQT_XRC; 261512515907SHans Petter Selasky attr.ext.xrc.cq = devr->c0; 261612515907SHans Petter Selasky attr.ext.xrc.xrcd = devr->x0; 261712515907SHans Petter Selasky 261812515907SHans Petter Selasky devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); 261912515907SHans Petter Selasky if (IS_ERR(devr->s0)) { 262012515907SHans Petter Selasky ret = PTR_ERR(devr->s0); 262112515907SHans Petter Selasky goto error4; 262212515907SHans Petter Selasky } 262312515907SHans Petter Selasky devr->s0->device = &dev->ib_dev; 262412515907SHans Petter Selasky devr->s0->pd = devr->p0; 262512515907SHans Petter Selasky devr->s0->uobject = NULL; 262612515907SHans Petter Selasky devr->s0->event_handler = NULL; 262712515907SHans Petter Selasky devr->s0->srq_context = NULL; 262812515907SHans Petter Selasky devr->s0->srq_type = IB_SRQT_XRC; 262912515907SHans Petter Selasky devr->s0->ext.xrc.xrcd = devr->x0; 263012515907SHans Petter Selasky devr->s0->ext.xrc.cq = devr->c0; 263112515907SHans Petter Selasky atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); 263212515907SHans Petter Selasky atomic_inc(&devr->s0->ext.xrc.cq->usecnt); 263312515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 263412515907SHans Petter Selasky atomic_set(&devr->s0->usecnt, 0); 263512515907SHans Petter Selasky 263612515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 263712515907SHans Petter Selasky attr.attr.max_sge = 1; 263812515907SHans Petter Selasky attr.attr.max_wr = 1; 263912515907SHans Petter Selasky attr.srq_type = IB_SRQT_BASIC; 264012515907SHans Petter Selasky devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); 264112515907SHans Petter Selasky if (IS_ERR(devr->s1)) { 264212515907SHans Petter Selasky ret = PTR_ERR(devr->s1); 264312515907SHans Petter Selasky goto error5; 264412515907SHans Petter Selasky } 264512515907SHans Petter Selasky devr->s1->device = &dev->ib_dev; 264612515907SHans Petter Selasky devr->s1->pd = devr->p0; 264712515907SHans Petter Selasky devr->s1->uobject = NULL; 264812515907SHans Petter Selasky devr->s1->event_handler = NULL; 264912515907SHans Petter Selasky devr->s1->srq_context = NULL; 265012515907SHans Petter Selasky devr->s1->srq_type = IB_SRQT_BASIC; 265112515907SHans Petter Selasky devr->s1->ext.xrc.cq = devr->c0; 265212515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 26538e6e287fSHans Petter Selasky atomic_set(&devr->s0->usecnt, 0); 26548e6e287fSHans Petter Selasky 26558e6e287fSHans Petter Selasky for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { 26568e6e287fSHans Petter Selasky INIT_WORK(&devr->ports[port].pkey_change_work, 26578e6e287fSHans Petter Selasky pkey_change_handler); 26588e6e287fSHans Petter Selasky devr->ports[port].devr = devr; 26598e6e287fSHans Petter Selasky } 266012515907SHans Petter Selasky 266112515907SHans Petter Selasky return 0; 266212515907SHans Petter Selasky 266312515907SHans Petter Selasky error5: 266412515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s0); 266512515907SHans Petter Selasky error4: 266612515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1); 266712515907SHans Petter Selasky error3: 266812515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0); 266912515907SHans Petter Selasky error2: 267012515907SHans Petter Selasky mlx5_ib_destroy_cq(devr->c0); 267112515907SHans Petter Selasky error1: 267212515907SHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0); 267312515907SHans Petter Selasky error0: 267412515907SHans Petter Selasky return ret; 267512515907SHans Petter Selasky } 267612515907SHans Petter Selasky 267712515907SHans Petter Selasky static void destroy_dev_resources(struct mlx5_ib_resources *devr) 267812515907SHans Petter Selasky { 26798e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = 26808e6e287fSHans Petter Selasky container_of(devr, struct mlx5_ib_dev, devr); 26818e6e287fSHans Petter Selasky int port; 26828e6e287fSHans Petter Selasky 268312515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s1); 268412515907SHans Petter Selasky mlx5_ib_destroy_srq(devr->s0); 268512515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0); 268612515907SHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1); 268712515907SHans Petter Selasky mlx5_ib_destroy_cq(devr->c0); 268812515907SHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0); 26898e6e287fSHans Petter Selasky 26908e6e287fSHans Petter Selasky /* Make sure no change P_Key work items are still executing */ 26918e6e287fSHans Petter Selasky for (port = 0; port < dev->num_ports; ++port) 26928e6e287fSHans Petter Selasky cancel_work_sync(&devr->ports[port].pkey_change_work); 269312515907SHans Petter Selasky } 269412515907SHans Petter Selasky 2695d05554bbSHans Petter Selasky static u32 get_core_cap_flags(struct ib_device *ibdev) 2696d05554bbSHans Petter Selasky { 2697d05554bbSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 2698d05554bbSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); 2699d05554bbSHans Petter Selasky u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); 2700d05554bbSHans Petter Selasky u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); 2701d05554bbSHans Petter Selasky u32 ret = 0; 2702d05554bbSHans Petter Selasky 2703d05554bbSHans Petter Selasky if (ll == IB_LINK_LAYER_INFINIBAND) 2704d05554bbSHans Petter Selasky return RDMA_CORE_PORT_IBA_IB; 2705d05554bbSHans Petter Selasky 2706d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) 27078e6e287fSHans Petter Selasky return 0; 2708d05554bbSHans Petter Selasky 2709d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) 27108e6e287fSHans Petter Selasky return 0; 2711d05554bbSHans Petter Selasky 2712d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) 2713d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE; 2714d05554bbSHans Petter Selasky 2715d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) 2716d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; 2717d05554bbSHans Petter Selasky 2718d05554bbSHans Petter Selasky return ret; 2719d05554bbSHans Petter Selasky } 2720d05554bbSHans Petter Selasky 2721d05554bbSHans Petter Selasky static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, 2722d05554bbSHans Petter Selasky struct ib_port_immutable *immutable) 2723d05554bbSHans Petter Selasky { 2724d05554bbSHans Petter Selasky struct ib_port_attr attr; 2725d05554bbSHans Petter Selasky int err; 2726d05554bbSHans Petter Selasky 27278e6e287fSHans Petter Selasky err = mlx5_ib_query_port(ibdev, port_num, &attr); 2728d05554bbSHans Petter Selasky if (err) 2729d05554bbSHans Petter Selasky return err; 2730d05554bbSHans Petter Selasky 2731d05554bbSHans Petter Selasky immutable->pkey_tbl_len = attr.pkey_tbl_len; 2732d05554bbSHans Petter Selasky immutable->gid_tbl_len = attr.gid_tbl_len; 2733d05554bbSHans Petter Selasky immutable->core_cap_flags = get_core_cap_flags(ibdev); 2734d05554bbSHans Petter Selasky immutable->max_mad_size = IB_MGMT_MAD_SIZE; 2735d05554bbSHans Petter Selasky 2736d05554bbSHans Petter Selasky return 0; 2737d05554bbSHans Petter Selasky } 2738d05554bbSHans Petter Selasky 27398e6e287fSHans Petter Selasky static void get_dev_fw_str(struct ib_device *ibdev, char *str, 27408e6e287fSHans Petter Selasky size_t str_len) 274112515907SHans Petter Selasky { 27428e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = 27438e6e287fSHans Petter Selasky container_of(ibdev, struct mlx5_ib_dev, ib_dev); 27448e6e287fSHans Petter Selasky snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev), 27458e6e287fSHans Petter Selasky fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); 27468e6e287fSHans Petter Selasky } 27478e6e287fSHans Petter Selasky 27488e6e287fSHans Petter Selasky static int mlx5_roce_lag_init(struct mlx5_ib_dev *dev) 27498e6e287fSHans Petter Selasky { 27508e6e287fSHans Petter Selasky return 0; 27518e6e287fSHans Petter Selasky } 27528e6e287fSHans Petter Selasky 27538e6e287fSHans Petter Selasky static void mlx5_roce_lag_cleanup(struct mlx5_ib_dev *dev) 27548e6e287fSHans Petter Selasky { 27558e6e287fSHans Petter Selasky } 27568e6e287fSHans Petter Selasky 27578e6e287fSHans Petter Selasky static void mlx5_remove_roce_notifier(struct mlx5_ib_dev *dev) 27588e6e287fSHans Petter Selasky { 27598e6e287fSHans Petter Selasky if (dev->roce.nb.notifier_call) { 27608e6e287fSHans Petter Selasky unregister_netdevice_notifier(&dev->roce.nb); 27618e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 27628e6e287fSHans Petter Selasky } 27638e6e287fSHans Petter Selasky } 27648e6e287fSHans Petter Selasky 27658e6e287fSHans Petter Selasky static int mlx5_enable_roce(struct mlx5_ib_dev *dev) 27668e6e287fSHans Petter Selasky { 27678e6e287fSHans Petter Selasky VNET_ITERATOR_DECL(vnet_iter); 27688e6e287fSHans Petter Selasky struct net_device *idev; 276912515907SHans Petter Selasky int err; 277012515907SHans Petter Selasky 27718e6e287fSHans Petter Selasky /* Check if mlx5en net device already exists */ 27728e6e287fSHans Petter Selasky VNET_LIST_RLOCK(); 27738e6e287fSHans Petter Selasky VNET_FOREACH(vnet_iter) { 27748e6e287fSHans Petter Selasky IFNET_RLOCK(); 27758e6e287fSHans Petter Selasky CURVNET_SET_QUIET(vnet_iter); 27764f6c66ccSMatt Macy CK_STAILQ_FOREACH(idev, &V_ifnet, if_link) { 27778e6e287fSHans Petter Selasky /* check if network interface belongs to mlx5en */ 27788e6e287fSHans Petter Selasky if (!mlx5_netdev_match(idev, dev->mdev, "mce")) 27798e6e287fSHans Petter Selasky continue; 27808e6e287fSHans Petter Selasky write_lock(&dev->roce.netdev_lock); 27818e6e287fSHans Petter Selasky dev->roce.netdev = idev; 27828e6e287fSHans Petter Selasky write_unlock(&dev->roce.netdev_lock); 278312515907SHans Petter Selasky } 27848e6e287fSHans Petter Selasky CURVNET_RESTORE(); 27858e6e287fSHans Petter Selasky IFNET_RUNLOCK(); 278612515907SHans Petter Selasky } 27878e6e287fSHans Petter Selasky VNET_LIST_RUNLOCK(); 278812515907SHans Petter Selasky 27898e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = mlx5_netdev_event; 27908e6e287fSHans Petter Selasky err = register_netdevice_notifier(&dev->roce.nb); 279112515907SHans Petter Selasky if (err) { 27928e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 27938e6e287fSHans Petter Selasky return err; 279412515907SHans Petter Selasky } 279512515907SHans Petter Selasky 27968e6e287fSHans Petter Selasky err = mlx5_nic_vport_enable_roce(dev->mdev); 27978e6e287fSHans Petter Selasky if (err) 27988e6e287fSHans Petter Selasky goto err_unregister_netdevice_notifier; 279912515907SHans Petter Selasky 28008e6e287fSHans Petter Selasky err = mlx5_roce_lag_init(dev); 28018e6e287fSHans Petter Selasky if (err) 28028e6e287fSHans Petter Selasky goto err_disable_roce; 280312515907SHans Petter Selasky 280412515907SHans Petter Selasky return 0; 280512515907SHans Petter Selasky 28068e6e287fSHans Petter Selasky err_disable_roce: 28078e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 280812515907SHans Petter Selasky 28098e6e287fSHans Petter Selasky err_unregister_netdevice_notifier: 28108e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 28118e6e287fSHans Petter Selasky return err; 281212515907SHans Petter Selasky } 281312515907SHans Petter Selasky 28148e6e287fSHans Petter Selasky static void mlx5_disable_roce(struct mlx5_ib_dev *dev) 281512515907SHans Petter Selasky { 28168e6e287fSHans Petter Selasky mlx5_roce_lag_cleanup(dev); 28178e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 281812515907SHans Petter Selasky } 281912515907SHans Petter Selasky 282012515907SHans Petter Selasky static void mlx5_ib_dealloc_q_port_counter(struct mlx5_ib_dev *dev, u8 port_num) 282112515907SHans Petter Selasky { 282212515907SHans Petter Selasky mlx5_vport_dealloc_q_counter(dev->mdev, 282312515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 282412515907SHans Petter Selasky dev->port[port_num].q_cnt_id); 282512515907SHans Petter Selasky dev->port[port_num].q_cnt_id = 0; 282612515907SHans Petter Selasky } 282712515907SHans Petter Selasky 282812515907SHans Petter Selasky static void mlx5_ib_dealloc_q_counters(struct mlx5_ib_dev *dev) 282912515907SHans Petter Selasky { 283012515907SHans Petter Selasky unsigned int i; 283112515907SHans Petter Selasky 283212515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) 283312515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 283412515907SHans Petter Selasky } 283512515907SHans Petter Selasky 283612515907SHans Petter Selasky static int mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev) 283712515907SHans Petter Selasky { 283812515907SHans Petter Selasky int i; 283912515907SHans Petter Selasky int ret; 284012515907SHans Petter Selasky 284112515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) { 284212515907SHans Petter Selasky ret = mlx5_vport_alloc_q_counter(dev->mdev, 284312515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 284412515907SHans Petter Selasky &dev->port[i].q_cnt_id); 284512515907SHans Petter Selasky if (ret) { 284612515907SHans Petter Selasky mlx5_ib_warn(dev, 28478e6e287fSHans Petter Selasky "couldn't allocate queue counter for port %d, err %d\n", 28488e6e287fSHans Petter Selasky i + 1, ret); 284912515907SHans Petter Selasky goto dealloc_counters; 285012515907SHans Petter Selasky } 285112515907SHans Petter Selasky } 285212515907SHans Petter Selasky 285312515907SHans Petter Selasky return 0; 285412515907SHans Petter Selasky 285512515907SHans Petter Selasky dealloc_counters: 285612515907SHans Petter Selasky while (--i >= 0) 285712515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 285812515907SHans Petter Selasky 285912515907SHans Petter Selasky return ret; 286012515907SHans Petter Selasky } 286112515907SHans Petter Selasky 28628e6e287fSHans Petter Selasky static const char * const names[] = { 28638e6e287fSHans Petter Selasky "rx_write_requests", 28648e6e287fSHans Petter Selasky "rx_read_requests", 28658e6e287fSHans Petter Selasky "rx_atomic_requests", 28668e6e287fSHans Petter Selasky "out_of_buffer", 28678e6e287fSHans Petter Selasky "out_of_sequence", 28688e6e287fSHans Petter Selasky "duplicate_request", 28698e6e287fSHans Petter Selasky "rnr_nak_retry_err", 28708e6e287fSHans Petter Selasky "packet_seq_err", 28718e6e287fSHans Petter Selasky "implied_nak_seq_err", 28728e6e287fSHans Petter Selasky "local_ack_timeout_err", 287312515907SHans Petter Selasky }; 287412515907SHans Petter Selasky 28758e6e287fSHans Petter Selasky static const size_t stats_offsets[] = { 28768e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_write_requests), 28778e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_read_requests), 28788e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_atomic_requests), 28798e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_buffer), 28808e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_sequence), 28818e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, duplicate_request), 28828e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rnr_nak_retry_err), 28838e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, packet_seq_err), 28848e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, implied_nak_seq_err), 28858e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, local_ack_timeout_err), 288612515907SHans Petter Selasky }; 288712515907SHans Petter Selasky 28888e6e287fSHans Petter Selasky static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, 28898e6e287fSHans Petter Selasky u8 port_num) 289012515907SHans Petter Selasky { 28918e6e287fSHans Petter Selasky BUILD_BUG_ON(ARRAY_SIZE(names) != ARRAY_SIZE(stats_offsets)); 289212515907SHans Petter Selasky 28938e6e287fSHans Petter Selasky /* We support only per port stats */ 28948e6e287fSHans Petter Selasky if (port_num == 0) 28958e6e287fSHans Petter Selasky return NULL; 289612515907SHans Petter Selasky 28978e6e287fSHans Petter Selasky return rdma_alloc_hw_stats_struct(names, ARRAY_SIZE(names), 28988e6e287fSHans Petter Selasky RDMA_HW_STATS_DEFAULT_LIFESPAN); 289912515907SHans Petter Selasky } 290012515907SHans Petter Selasky 29018e6e287fSHans Petter Selasky static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, 29028e6e287fSHans Petter Selasky struct rdma_hw_stats *stats, 29038e6e287fSHans Petter Selasky u8 port, int index) 290412515907SHans Petter Selasky { 29058e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 290612515907SHans Petter Selasky int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); 290712515907SHans Petter Selasky void *out; 29088e6e287fSHans Petter Selasky __be32 val; 290912515907SHans Petter Selasky int ret; 29108e6e287fSHans Petter Selasky int i; 29118e6e287fSHans Petter Selasky 29128e6e287fSHans Petter Selasky if (!port || !stats) 29138e6e287fSHans Petter Selasky return -ENOSYS; 291412515907SHans Petter Selasky 291512515907SHans Petter Selasky out = mlx5_vzalloc(outlen); 291612515907SHans Petter Selasky if (!out) 291712515907SHans Petter Selasky return -ENOMEM; 291812515907SHans Petter Selasky 29198e6e287fSHans Petter Selasky ret = mlx5_vport_query_q_counter(dev->mdev, 29208e6e287fSHans Petter Selasky dev->port[port - 1].q_cnt_id, 0, 292112515907SHans Petter Selasky out, outlen); 292212515907SHans Petter Selasky if (ret) 292312515907SHans Petter Selasky goto free; 292412515907SHans Petter Selasky 29258e6e287fSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(names); i++) { 29268e6e287fSHans Petter Selasky val = *(__be32 *)(out + stats_offsets[i]); 29278e6e287fSHans Petter Selasky stats->value[i] = (u64)be32_to_cpu(val); 29288e6e287fSHans Petter Selasky } 292912515907SHans Petter Selasky free: 29308e6e287fSHans Petter Selasky kvfree(out); 29318e6e287fSHans Petter Selasky return ARRAY_SIZE(names); 293212515907SHans Petter Selasky } 293312515907SHans Petter Selasky 293412515907SHans Petter Selasky static void *mlx5_ib_add(struct mlx5_core_dev *mdev) 293512515907SHans Petter Selasky { 293612515907SHans Petter Selasky struct mlx5_ib_dev *dev; 29378e6e287fSHans Petter Selasky enum rdma_link_layer ll; 29388e6e287fSHans Petter Selasky int port_type_cap; 29398e6e287fSHans Petter Selasky const char *name; 294012515907SHans Petter Selasky int err; 294112515907SHans Petter Selasky int i; 294212515907SHans Petter Selasky 29438e6e287fSHans Petter Selasky port_type_cap = MLX5_CAP_GEN(mdev, port_type); 29448e6e287fSHans Petter Selasky ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); 29458e6e287fSHans Petter Selasky 29468e6e287fSHans Petter Selasky if ((ll == IB_LINK_LAYER_ETHERNET) && !MLX5_CAP_GEN(mdev, roce)) 29478e6e287fSHans Petter Selasky return NULL; 29488e6e287fSHans Petter Selasky 294912515907SHans Petter Selasky printk_once(KERN_INFO "%s", mlx5_version); 295012515907SHans Petter Selasky 295112515907SHans Petter Selasky dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); 295212515907SHans Petter Selasky if (!dev) 295312515907SHans Petter Selasky return NULL; 295412515907SHans Petter Selasky 295512515907SHans Petter Selasky dev->mdev = mdev; 295612515907SHans Petter Selasky 295712515907SHans Petter Selasky dev->port = kcalloc(MLX5_CAP_GEN(mdev, num_ports), sizeof(*dev->port), 295812515907SHans Petter Selasky GFP_KERNEL); 295912515907SHans Petter Selasky if (!dev->port) 296012515907SHans Petter Selasky goto err_dealloc; 296112515907SHans Petter Selasky 29628e6e287fSHans Petter Selasky rwlock_init(&dev->roce.netdev_lock); 296312515907SHans Petter Selasky err = get_port_caps(dev); 296412515907SHans Petter Selasky if (err) 296512515907SHans Petter Selasky goto err_free_port; 296612515907SHans Petter Selasky 296712515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 296812515907SHans Petter Selasky get_ext_port_caps(dev); 296912515907SHans Petter Selasky 297012515907SHans Petter Selasky MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock); 297112515907SHans Petter Selasky 29728e6e287fSHans Petter Selasky name = "mlx5_%d"; 29738e6e287fSHans Petter Selasky 29748e6e287fSHans Petter Selasky strlcpy(dev->ib_dev.name, name, IB_DEVICE_NAME_MAX); 297512515907SHans Petter Selasky dev->ib_dev.owner = THIS_MODULE; 297612515907SHans Petter Selasky dev->ib_dev.node_type = RDMA_NODE_IB_CA; 29778e6e287fSHans Petter Selasky dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; 297812515907SHans Petter Selasky dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); 297912515907SHans Petter Selasky dev->ib_dev.phys_port_cnt = dev->num_ports; 298012515907SHans Petter Selasky dev->ib_dev.num_comp_vectors = 298112515907SHans Petter Selasky dev->mdev->priv.eq_table.num_comp_vectors; 298212515907SHans Petter Selasky dev->ib_dev.dma_device = &mdev->pdev->dev; 298312515907SHans Petter Selasky 298412515907SHans Petter Selasky dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; 298512515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask = 298612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | 298712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | 298812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | 298912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | 299012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | 29911456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_AH) | 29921456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | 299312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REG_MR) | 29948e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REREG_MR) | 299512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEREG_MR) | 299612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | 299712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | 299812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | 299912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | 300012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_QP) | 300112515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | 300212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_QP) | 300312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | 300412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | 300512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | 300612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | 300712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | 300812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | 300912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | 301012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | 301112515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_QP); 30128e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask = 30138e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | 30148e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | 30158e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP); 301612515907SHans Petter Selasky 301712515907SHans Petter Selasky dev->ib_dev.query_device = mlx5_ib_query_device; 301812515907SHans Petter Selasky dev->ib_dev.query_port = mlx5_ib_query_port; 301912515907SHans Petter Selasky dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; 30208e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 302112515907SHans Petter Selasky dev->ib_dev.get_netdev = mlx5_ib_get_netdev; 302212515907SHans Petter Selasky dev->ib_dev.query_gid = mlx5_ib_query_gid; 30238e6e287fSHans Petter Selasky dev->ib_dev.add_gid = mlx5_ib_add_gid; 30248e6e287fSHans Petter Selasky dev->ib_dev.del_gid = mlx5_ib_del_gid; 302512515907SHans Petter Selasky dev->ib_dev.query_pkey = mlx5_ib_query_pkey; 302612515907SHans Petter Selasky dev->ib_dev.modify_device = mlx5_ib_modify_device; 302712515907SHans Petter Selasky dev->ib_dev.modify_port = mlx5_ib_modify_port; 302812515907SHans Petter Selasky dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; 302912515907SHans Petter Selasky dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; 303012515907SHans Petter Selasky dev->ib_dev.mmap = mlx5_ib_mmap; 303112515907SHans Petter Selasky dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; 303212515907SHans Petter Selasky dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; 303312515907SHans Petter Selasky dev->ib_dev.create_ah = mlx5_ib_create_ah; 303412515907SHans Petter Selasky dev->ib_dev.query_ah = mlx5_ib_query_ah; 303512515907SHans Petter Selasky dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; 303612515907SHans Petter Selasky dev->ib_dev.create_srq = mlx5_ib_create_srq; 303712515907SHans Petter Selasky dev->ib_dev.modify_srq = mlx5_ib_modify_srq; 303812515907SHans Petter Selasky dev->ib_dev.query_srq = mlx5_ib_query_srq; 303912515907SHans Petter Selasky dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; 304012515907SHans Petter Selasky dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; 304112515907SHans Petter Selasky dev->ib_dev.create_qp = mlx5_ib_create_qp; 304212515907SHans Petter Selasky dev->ib_dev.modify_qp = mlx5_ib_modify_qp; 304312515907SHans Petter Selasky dev->ib_dev.query_qp = mlx5_ib_query_qp; 304412515907SHans Petter Selasky dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; 304512515907SHans Petter Selasky dev->ib_dev.post_send = mlx5_ib_post_send; 304612515907SHans Petter Selasky dev->ib_dev.post_recv = mlx5_ib_post_recv; 304712515907SHans Petter Selasky dev->ib_dev.create_cq = mlx5_ib_create_cq; 304812515907SHans Petter Selasky dev->ib_dev.modify_cq = mlx5_ib_modify_cq; 304912515907SHans Petter Selasky dev->ib_dev.resize_cq = mlx5_ib_resize_cq; 305012515907SHans Petter Selasky dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; 305112515907SHans Petter Selasky dev->ib_dev.poll_cq = mlx5_ib_poll_cq; 305212515907SHans Petter Selasky dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; 305312515907SHans Petter Selasky dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; 305412515907SHans Petter Selasky dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; 30558e6e287fSHans Petter Selasky dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; 305612515907SHans Petter Selasky dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; 305712515907SHans Petter Selasky dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; 305812515907SHans Petter Selasky dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; 305912515907SHans Petter Selasky dev->ib_dev.process_mad = mlx5_ib_process_mad; 30608e6e287fSHans Petter Selasky dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; 30618e6e287fSHans Petter Selasky dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; 30628e6e287fSHans Petter Selasky dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; 3063d05554bbSHans Petter Selasky dev->ib_dev.get_port_immutable = mlx5_port_immutable; 30648e6e287fSHans Petter Selasky dev->ib_dev.get_dev_fw_str = get_dev_fw_str; 30658e6e287fSHans Petter Selasky if (mlx5_core_is_pf(mdev)) { 30668e6e287fSHans Petter Selasky dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; 30678e6e287fSHans Petter Selasky dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; 30688e6e287fSHans Petter Selasky dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; 30698e6e287fSHans Petter Selasky dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; 30708e6e287fSHans Petter Selasky } 30718e6e287fSHans Petter Selasky 30728e6e287fSHans Petter Selasky mlx5_ib_internal_fill_odp_caps(dev); 30738e6e287fSHans Petter Selasky 30748e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 30758e6e287fSHans Petter Selasky dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; 30768e6e287fSHans Petter Selasky dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; 30778e6e287fSHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 30788e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | 30798e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); 30808e6e287fSHans Petter Selasky } 30818e6e287fSHans Petter Selasky 30828e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt) && 30838e6e287fSHans Petter Selasky MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { 30848e6e287fSHans Petter Selasky dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; 30858e6e287fSHans Petter Selasky dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; 30868e6e287fSHans Petter Selasky } 308712515907SHans Petter Selasky 308812515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) { 308912515907SHans Petter Selasky dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; 309012515907SHans Petter Selasky dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; 309112515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 309212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | 309312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); 309412515907SHans Petter Selasky } 309512515907SHans Petter Selasky 30968e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&dev->ib_dev, 1) == 30978e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 30988e6e287fSHans Petter Selasky dev->ib_dev.create_flow = mlx5_ib_create_flow; 30998e6e287fSHans Petter Selasky dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; 31008e6e287fSHans Petter Selasky dev->ib_dev.create_wq = mlx5_ib_create_wq; 31018e6e287fSHans Petter Selasky dev->ib_dev.modify_wq = mlx5_ib_modify_wq; 31028e6e287fSHans Petter Selasky dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; 31038e6e287fSHans Petter Selasky dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; 31048e6e287fSHans Petter Selasky dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; 31058e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask |= 31068e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | 31078e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | 31088e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | 31098e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | 31108e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | 31118e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | 31128e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); 31138e6e287fSHans Petter Selasky } 311412515907SHans Petter Selasky err = init_node_data(dev); 311512515907SHans Petter Selasky if (err) 31168e6e287fSHans Petter Selasky goto err_free_port; 311712515907SHans Petter Selasky 31188e6e287fSHans Petter Selasky mutex_init(&dev->flow_db.lock); 311912515907SHans Petter Selasky mutex_init(&dev->cap_mask_mutex); 312012515907SHans Petter Selasky INIT_LIST_HEAD(&dev->qp_list); 312112515907SHans Petter Selasky spin_lock_init(&dev->reset_flow_resource_lock); 312212515907SHans Petter Selasky 31238e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 31248e6e287fSHans Petter Selasky err = mlx5_enable_roce(dev); 31258e6e287fSHans Petter Selasky if (err) 31268e6e287fSHans Petter Selasky goto err_free_port; 31278e6e287fSHans Petter Selasky } 31288e6e287fSHans Petter Selasky 312912515907SHans Petter Selasky err = create_dev_resources(&dev->devr); 313012515907SHans Petter Selasky if (err) 313112515907SHans Petter Selasky goto err_disable_roce; 313212515907SHans Petter Selasky 31338e6e287fSHans Petter Selasky err = mlx5_ib_odp_init_one(dev); 31348e6e287fSHans Petter Selasky if (err) 31358e6e287fSHans Petter Selasky goto err_rsrc; 313612515907SHans Petter Selasky 313712515907SHans Petter Selasky err = mlx5_ib_alloc_q_counters(dev); 313812515907SHans Petter Selasky if (err) 313912515907SHans Petter Selasky goto err_odp; 314012515907SHans Petter Selasky 314112515907SHans Petter Selasky err = ib_register_device(&dev->ib_dev, NULL); 314212515907SHans Petter Selasky if (err) 314312515907SHans Petter Selasky goto err_q_cnt; 314412515907SHans Petter Selasky 314512515907SHans Petter Selasky err = create_umr_res(dev); 314612515907SHans Petter Selasky if (err) 314712515907SHans Petter Selasky goto err_dev; 314812515907SHans Petter Selasky 314912515907SHans Petter Selasky for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { 315012515907SHans Petter Selasky err = device_create_file(&dev->ib_dev.dev, 315112515907SHans Petter Selasky mlx5_class_attributes[i]); 315212515907SHans Petter Selasky if (err) 31538e6e287fSHans Petter Selasky goto err_umrc; 315412515907SHans Petter Selasky } 315512515907SHans Petter Selasky 3156118063fbSHans Petter Selasky err = mlx5_ib_init_congestion(dev); 3157118063fbSHans Petter Selasky if (err) 3158118063fbSHans Petter Selasky goto err_umrc; 3159118063fbSHans Petter Selasky 316012515907SHans Petter Selasky dev->ib_active = true; 316112515907SHans Petter Selasky 316212515907SHans Petter Selasky return dev; 316312515907SHans Petter Selasky 31648e6e287fSHans Petter Selasky err_umrc: 316512515907SHans Petter Selasky destroy_umrc_res(dev); 316612515907SHans Petter Selasky 316712515907SHans Petter Selasky err_dev: 316812515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 316912515907SHans Petter Selasky 317012515907SHans Petter Selasky err_q_cnt: 317112515907SHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 317212515907SHans Petter Selasky 317312515907SHans Petter Selasky err_odp: 31748e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 31758e6e287fSHans Petter Selasky 31768e6e287fSHans Petter Selasky err_rsrc: 317712515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 317812515907SHans Petter Selasky 317912515907SHans Petter Selasky err_disable_roce: 31808e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 31818e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 31828e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 31838e6e287fSHans Petter Selasky } 31848e6e287fSHans Petter Selasky 318512515907SHans Petter Selasky err_free_port: 318612515907SHans Petter Selasky kfree(dev->port); 318712515907SHans Petter Selasky 318812515907SHans Petter Selasky err_dealloc: 318912515907SHans Petter Selasky ib_dealloc_device((struct ib_device *)dev); 319012515907SHans Petter Selasky 319112515907SHans Petter Selasky return NULL; 319212515907SHans Petter Selasky } 319312515907SHans Petter Selasky 319412515907SHans Petter Selasky static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) 319512515907SHans Petter Selasky { 319612515907SHans Petter Selasky struct mlx5_ib_dev *dev = context; 31978e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, 1); 319812515907SHans Petter Selasky 3199118063fbSHans Petter Selasky mlx5_ib_cleanup_congestion(dev); 32008e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 320112515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 32028e6e287fSHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 320312515907SHans Petter Selasky destroy_umrc_res(dev); 32048e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 320512515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 32068e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 32078e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 320812515907SHans Petter Selasky kfree(dev->port); 320912515907SHans Petter Selasky ib_dealloc_device(&dev->ib_dev); 321012515907SHans Petter Selasky } 321112515907SHans Petter Selasky 321212515907SHans Petter Selasky static struct mlx5_interface mlx5_ib_interface = { 321312515907SHans Petter Selasky .add = mlx5_ib_add, 321412515907SHans Petter Selasky .remove = mlx5_ib_remove, 321512515907SHans Petter Selasky .event = mlx5_ib_event, 321612515907SHans Petter Selasky .protocol = MLX5_INTERFACE_PROTOCOL_IB, 321712515907SHans Petter Selasky }; 321812515907SHans Petter Selasky 321912515907SHans Petter Selasky static int __init mlx5_ib_init(void) 322012515907SHans Petter Selasky { 322112515907SHans Petter Selasky int err; 322212515907SHans Petter Selasky 322312515907SHans Petter Selasky if (deprecated_prof_sel != 2) 32248e6e287fSHans Petter Selasky pr_warn("prof_sel is deprecated for mlx5_ib, set it for mlx5_core\n"); 32258e6e287fSHans Petter Selasky 32268e6e287fSHans Petter Selasky err = mlx5_ib_odp_init(); 32278e6e287fSHans Petter Selasky if (err) 32288e6e287fSHans Petter Selasky return err; 322912515907SHans Petter Selasky 323012515907SHans Petter Selasky err = mlx5_register_interface(&mlx5_ib_interface); 323112515907SHans Petter Selasky if (err) 323212515907SHans Petter Selasky goto clean_odp; 323312515907SHans Petter Selasky 323412515907SHans Petter Selasky return err; 323512515907SHans Petter Selasky 323612515907SHans Petter Selasky clean_odp: 32378e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 323812515907SHans Petter Selasky return err; 323912515907SHans Petter Selasky } 324012515907SHans Petter Selasky 324112515907SHans Petter Selasky static void __exit mlx5_ib_cleanup(void) 324212515907SHans Petter Selasky { 324312515907SHans Petter Selasky mlx5_unregister_interface(&mlx5_ib_interface); 32448e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 324512515907SHans Petter Selasky } 324612515907SHans Petter Selasky 324712515907SHans Petter Selasky module_init_order(mlx5_ib_init, SI_ORDER_THIRD); 324812515907SHans Petter Selasky module_exit_order(mlx5_ib_cleanup, SI_ORDER_THIRD); 3249