112515907SHans Petter Selasky /*- 2e47a6525SHans Petter Selasky * Copyright (c) 2013-2021, 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 2870600979SKonstantin Belousov #include "opt_rss.h" 2970600979SKonstantin Belousov #include "opt_ratelimit.h" 3070600979SKonstantin Belousov 318e6e287fSHans Petter Selasky #include <linux/module.h> 3212515907SHans Petter Selasky #include <linux/errno.h> 3312515907SHans Petter Selasky #include <linux/pci.h> 3412515907SHans Petter Selasky #include <linux/dma-mapping.h> 3512515907SHans Petter Selasky #include <linux/slab.h> 368e6e287fSHans Petter Selasky #if defined(CONFIG_X86) 378e6e287fSHans Petter Selasky #include <asm/pat.h> 388e6e287fSHans Petter Selasky #endif 3912515907SHans Petter Selasky #include <linux/sched.h> 408e6e287fSHans Petter Selasky #include <linux/delay.h> 4112515907SHans Petter Selasky #include <linux/fs.h> 4212515907SHans Petter Selasky #undef inode 4312515907SHans Petter Selasky #include <rdma/ib_user_verbs.h> 448e6e287fSHans Petter Selasky #include <rdma/ib_addr.h> 458e6e287fSHans Petter Selasky #include <rdma/ib_cache.h> 46d9142151SHans Petter Selasky #include <dev/mlx5/port.h> 478e6e287fSHans Petter Selasky #include <dev/mlx5/vport.h> 488e6e287fSHans Petter Selasky #include <linux/list.h> 4912515907SHans Petter Selasky #include <rdma/ib_smi.h> 5012515907SHans Petter Selasky #include <rdma/ib_umem.h> 51b633e08cSHans Petter Selasky #include <rdma/uverbs_ioctl.h> 528e6e287fSHans Petter Selasky #include <linux/in.h> 538e6e287fSHans Petter Selasky #include <linux/etherdevice.h> 548e6e287fSHans Petter Selasky #include <dev/mlx5/fs.h> 55028130b8SKonstantin Belousov #include <dev/mlx5/mlx5_ib/mlx5_ib.h> 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 648e6e287fSHans Petter Selasky enum { 658e6e287fSHans Petter Selasky MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, 668e6e287fSHans Petter Selasky }; 6712515907SHans Petter Selasky 6812515907SHans Petter Selasky static enum rdma_link_layer 698e6e287fSHans Petter Selasky mlx5_port_type_cap_to_rdma_ll(int port_type_cap) 7012515907SHans Petter Selasky { 718e6e287fSHans Petter Selasky switch (port_type_cap) { 7212515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_IB: 7312515907SHans Petter Selasky return IB_LINK_LAYER_INFINIBAND; 7412515907SHans Petter Selasky case MLX5_CAP_PORT_TYPE_ETH: 7512515907SHans Petter Selasky return IB_LINK_LAYER_ETHERNET; 7612515907SHans Petter Selasky default: 7712515907SHans Petter Selasky return IB_LINK_LAYER_UNSPECIFIED; 7812515907SHans Petter Selasky } 7912515907SHans Petter Selasky } 8012515907SHans Petter Selasky 818e6e287fSHans Petter Selasky static enum rdma_link_layer 828e6e287fSHans Petter Selasky mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) 838e6e287fSHans Petter Selasky { 848e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 858e6e287fSHans Petter Selasky int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); 868e6e287fSHans Petter Selasky 878e6e287fSHans Petter Selasky return mlx5_port_type_cap_to_rdma_ll(port_type_cap); 888e6e287fSHans Petter Selasky } 898e6e287fSHans Petter Selasky 905dc00f00SJustin Hibbits static bool mlx5_netdev_match(if_t ndev, 918e6e287fSHans Petter Selasky struct mlx5_core_dev *mdev, 928e6e287fSHans Petter Selasky const char *dname) 938e6e287fSHans Petter Selasky { 945dc00f00SJustin Hibbits return if_gettype(ndev) == IFT_ETHER && 955dc00f00SJustin Hibbits if_getdname(ndev) != NULL && 965dc00f00SJustin Hibbits strcmp(if_getdname(ndev), dname) == 0 && 975dc00f00SJustin Hibbits if_getsoftc(ndev) != NULL && 985dc00f00SJustin Hibbits *(struct mlx5_core_dev **)if_getsoftc(ndev) == mdev; 998e6e287fSHans Petter Selasky } 1008e6e287fSHans Petter Selasky 1018e6e287fSHans Petter Selasky static int mlx5_netdev_event(struct notifier_block *this, 1028e6e287fSHans Petter Selasky unsigned long event, void *ptr) 1038e6e287fSHans Petter Selasky { 1045dc00f00SJustin Hibbits if_t ndev = netdev_notifier_info_to_ifp(ptr); 1058e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = container_of(this, struct mlx5_ib_dev, 1068e6e287fSHans Petter Selasky roce.nb); 1078e6e287fSHans Petter Selasky 1088e6e287fSHans Petter Selasky switch (event) { 1098e6e287fSHans Petter Selasky case NETDEV_REGISTER: 1108e6e287fSHans Petter Selasky case NETDEV_UNREGISTER: 1118e6e287fSHans Petter Selasky write_lock(&ibdev->roce.netdev_lock); 1128e6e287fSHans Petter Selasky /* check if network interface belongs to mlx5en */ 1138e6e287fSHans Petter Selasky if (mlx5_netdev_match(ndev, ibdev->mdev, "mce")) 1148e6e287fSHans Petter Selasky ibdev->roce.netdev = (event == NETDEV_UNREGISTER) ? 1158e6e287fSHans Petter Selasky NULL : ndev; 1168e6e287fSHans Petter Selasky write_unlock(&ibdev->roce.netdev_lock); 1178e6e287fSHans Petter Selasky break; 1188e6e287fSHans Petter Selasky 1198e6e287fSHans Petter Selasky case NETDEV_UP: 1208e6e287fSHans Petter Selasky case NETDEV_DOWN: { 1215dc00f00SJustin Hibbits if_t upper = NULL; 1228e6e287fSHans Petter Selasky 1238e6e287fSHans Petter Selasky if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) 1248e6e287fSHans Petter Selasky && ibdev->ib_active) { 1258e6e287fSHans Petter Selasky struct ib_event ibev = {0}; 1268e6e287fSHans Petter Selasky 1278e6e287fSHans Petter Selasky ibev.device = &ibdev->ib_dev; 1288e6e287fSHans Petter Selasky ibev.event = (event == NETDEV_UP) ? 1298e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 1308e6e287fSHans Petter Selasky ibev.element.port_num = 1; 1318e6e287fSHans Petter Selasky ib_dispatch_event(&ibev); 1328e6e287fSHans Petter Selasky } 1338e6e287fSHans Petter Selasky break; 1348e6e287fSHans Petter Selasky } 1358e6e287fSHans Petter Selasky 1368e6e287fSHans Petter Selasky default: 1378e6e287fSHans Petter Selasky break; 1388e6e287fSHans Petter Selasky } 1398e6e287fSHans Petter Selasky 1408e6e287fSHans Petter Selasky return NOTIFY_DONE; 1418e6e287fSHans Petter Selasky } 1428e6e287fSHans Petter Selasky 1435dc00f00SJustin Hibbits static if_t mlx5_ib_get_netdev(struct ib_device *device, 1448e6e287fSHans Petter Selasky u8 port_num) 1458e6e287fSHans Petter Selasky { 1468e6e287fSHans Petter Selasky struct mlx5_ib_dev *ibdev = to_mdev(device); 1475dc00f00SJustin Hibbits if_t ndev; 1488e6e287fSHans Petter Selasky 1494ded022dSBjoern A. Zeeb /* Ensure ndev does not disappear before we invoke if_ref() 1508e6e287fSHans Petter Selasky */ 1518e6e287fSHans Petter Selasky read_lock(&ibdev->roce.netdev_lock); 1528e6e287fSHans Petter Selasky ndev = ibdev->roce.netdev; 1538e6e287fSHans Petter Selasky if (ndev) 1544ded022dSBjoern A. Zeeb if_ref(ndev); 1558e6e287fSHans Petter Selasky read_unlock(&ibdev->roce.netdev_lock); 1568e6e287fSHans Petter Selasky 1578e6e287fSHans Petter Selasky return ndev; 1588e6e287fSHans Petter Selasky } 1598e6e287fSHans Petter Selasky 160d9142151SHans Petter Selasky static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, 161d9142151SHans Petter Selasky u8 *active_width) 162d9142151SHans Petter Selasky { 163d9142151SHans Petter Selasky switch (eth_proto_oper) { 164d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): 165d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): 166d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100BASE_TX): 167d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_T): 168d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 169d9142151SHans Petter Selasky *active_speed = IB_SPEED_SDR; 170d9142151SHans Petter Selasky break; 171d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_T): 172d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): 173d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): 174d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): 175d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): 176d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): 177ac87880aSHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_ER_LR): 178d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 179d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 180d9142151SHans Petter Selasky break; 181d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): 182d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): 183d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): 184d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 185d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 186d9142151SHans Petter Selasky break; 187d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): 188d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): 189d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): 190ac87880aSHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4_ER4): 191d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 192d9142151SHans Petter Selasky *active_speed = IB_SPEED_QDR; 193d9142151SHans Petter Selasky break; 194d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): 195d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): 19696dad2b7SKonstantin Belousov case MLX5E_PROT_MASK(MLX5E_50GBASE_KR4): 197d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): 198d9142151SHans Petter Selasky *active_width = IB_WIDTH_1X; 199d9142151SHans Petter Selasky *active_speed = IB_SPEED_HDR; 200d9142151SHans Petter Selasky break; 201d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): 202d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 203d9142151SHans Petter Selasky *active_speed = IB_SPEED_FDR; 204d9142151SHans Petter Selasky break; 205d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): 206d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): 207d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): 208d9142151SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): 209d9142151SHans Petter Selasky *active_width = IB_WIDTH_4X; 210d9142151SHans Petter Selasky *active_speed = IB_SPEED_EDR; 211d9142151SHans Petter Selasky break; 212d9142151SHans Petter Selasky default: 21367db6873SSlava Shwartsman *active_width = IB_WIDTH_4X; 21467db6873SSlava Shwartsman *active_speed = IB_SPEED_QDR; 215d9142151SHans Petter Selasky return -EINVAL; 216d9142151SHans Petter Selasky } 217d9142151SHans Petter Selasky 218d9142151SHans Petter Selasky return 0; 219d9142151SHans Petter Selasky } 220d9142151SHans Petter Selasky 22186a39779SHans Petter Selasky static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u8 *active_speed, 22286a39779SHans Petter Selasky u8 *active_width) 22386a39779SHans Petter Selasky { 22486a39779SHans Petter Selasky switch (eth_proto_oper) { 22586a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_SGMII_100M): 22686a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_1000BASE_X_SGMII): 22786a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 22886a39779SHans Petter Selasky *active_speed = IB_SPEED_SDR; 22986a39779SHans Petter Selasky break; 23086a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_5GBASE_R): 23186a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 23286a39779SHans Petter Selasky *active_speed = IB_SPEED_DDR; 23386a39779SHans Petter Selasky break; 23486a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_10GBASE_XFI_XAUI_1): 23586a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 23686a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 23786a39779SHans Petter Selasky break; 23886a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_40GBASE_XLAUI_4_XLPPI_4): 23986a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 24086a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 24186a39779SHans Petter Selasky break; 24286a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_25GAUI_1_25GBASE_CR_KR): 24386a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 24486a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 24586a39779SHans Petter Selasky break; 24686a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2): 24786a39779SHans Petter Selasky *active_width = IB_WIDTH_2X; 24886a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 24986a39779SHans Petter Selasky break; 25086a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR): 25186a39779SHans Petter Selasky *active_width = IB_WIDTH_1X; 25286a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 25386a39779SHans Petter Selasky break; 25486a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4): 25586a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 25686a39779SHans Petter Selasky *active_speed = IB_SPEED_EDR; 25786a39779SHans Petter Selasky break; 25886a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2): 25986a39779SHans Petter Selasky *active_width = IB_WIDTH_2X; 26086a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 26186a39779SHans Petter Selasky break; 26291c8ffd7SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_100GAUI_1_100GBASE_CR_KR): 26391c8ffd7SHans Petter Selasky *active_width = IB_WIDTH_1X; 26491c8ffd7SHans Petter Selasky *active_speed = IB_SPEED_NDR; 26591c8ffd7SHans Petter Selasky break; 26686a39779SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4): 26786a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 26886a39779SHans Petter Selasky *active_speed = IB_SPEED_HDR; 26986a39779SHans Petter Selasky break; 27091c8ffd7SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_200GAUI_2_200GBASE_CR2_KR2): 27191c8ffd7SHans Petter Selasky *active_width = IB_WIDTH_2X; 27291c8ffd7SHans Petter Selasky *active_speed = IB_SPEED_NDR; 27391c8ffd7SHans Petter Selasky break; 27491c8ffd7SHans Petter Selasky case MLX5E_PROT_MASK(MLX5E_400GAUI_4_400GBASE_CR4_KR4): 27591c8ffd7SHans Petter Selasky *active_width = IB_WIDTH_4X; 27691c8ffd7SHans Petter Selasky *active_speed = IB_SPEED_NDR; 27791c8ffd7SHans Petter Selasky break; 27886a39779SHans Petter Selasky default: 27986a39779SHans Petter Selasky *active_width = IB_WIDTH_4X; 28086a39779SHans Petter Selasky *active_speed = IB_SPEED_QDR; 28186a39779SHans Petter Selasky return -EINVAL; 28286a39779SHans Petter Selasky } 28386a39779SHans Petter Selasky 28486a39779SHans Petter Selasky return 0; 28586a39779SHans Petter Selasky } 28686a39779SHans Petter Selasky 2878e6e287fSHans Petter Selasky static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, 2888e6e287fSHans Petter Selasky struct ib_port_attr *props) 2898e6e287fSHans Petter Selasky { 2908e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 29186a39779SHans Petter Selasky u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {}; 2925dc00f00SJustin Hibbits if_t ndev; 2938e6e287fSHans Petter Selasky enum ib_mtu ndev_ib_mtu; 2948e6e287fSHans Petter Selasky u16 qkey_viol_cntr; 295d9142151SHans Petter Selasky u32 eth_prot_oper; 29686a39779SHans Petter Selasky bool ext; 297d9142151SHans Petter Selasky int err; 2988e6e287fSHans Petter Selasky 2998e6e287fSHans Petter Selasky memset(props, 0, sizeof(*props)); 3008e6e287fSHans Petter Selasky 301d9142151SHans Petter Selasky /* Possible bad flows are checked before filling out props so in case 302d9142151SHans Petter Selasky * of an error it will still be zeroed out. 303d9142151SHans Petter Selasky */ 30486a39779SHans Petter Selasky err = mlx5_query_port_ptys(dev->mdev, out, sizeof(out), MLX5_PTYS_EN, 30586a39779SHans Petter Selasky port_num); 306d9142151SHans Petter Selasky if (err) 307d9142151SHans Petter Selasky return err; 308d9142151SHans Petter Selasky 30986a39779SHans Petter Selasky ext = MLX5_CAP_PCAM_FEATURE(dev->mdev, ptys_extended_ethernet); 31086a39779SHans Petter Selasky eth_prot_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper); 31186a39779SHans Petter Selasky 31286a39779SHans Petter Selasky if (ext) 31386a39779SHans Petter Selasky translate_eth_ext_proto_oper(eth_prot_oper, &props->active_speed, 31486a39779SHans Petter Selasky &props->active_width); 31586a39779SHans Petter Selasky else 316d9142151SHans Petter Selasky translate_eth_proto_oper(eth_prot_oper, &props->active_speed, 317d9142151SHans Petter Selasky &props->active_width); 318d9142151SHans Petter Selasky 3198e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_CM_SUP; 3208e6e287fSHans Petter Selasky props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; 3218e6e287fSHans Petter Selasky 3228e6e287fSHans Petter Selasky props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, 3238e6e287fSHans Petter Selasky roce_address_table_size); 3248e6e287fSHans Petter Selasky props->max_mtu = IB_MTU_4096; 3258e6e287fSHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); 3268e6e287fSHans Petter Selasky props->pkey_tbl_len = 1; 3278e6e287fSHans Petter Selasky props->state = IB_PORT_DOWN; 3284238b4a7SHans Petter Selasky props->phys_state = IB_PORT_PHYS_STATE_DISABLED; 3298e6e287fSHans Petter Selasky 3308e6e287fSHans Petter Selasky mlx5_query_nic_vport_qkey_viol_cntr(dev->mdev, &qkey_viol_cntr); 3318e6e287fSHans Petter Selasky props->qkey_viol_cntr = qkey_viol_cntr; 3328e6e287fSHans Petter Selasky 3338e6e287fSHans Petter Selasky ndev = mlx5_ib_get_netdev(device, port_num); 3348e6e287fSHans Petter Selasky if (!ndev) 3358e6e287fSHans Petter Selasky return 0; 3368e6e287fSHans Petter Selasky 3375dc00f00SJustin Hibbits if (if_getdrvflags(ndev) & IFF_DRV_RUNNING && 3385dc00f00SJustin Hibbits if_getlinkstate(ndev) == LINK_STATE_UP) { 3398e6e287fSHans Petter Selasky props->state = IB_PORT_ACTIVE; 3404238b4a7SHans Petter Selasky props->phys_state = IB_PORT_PHYS_STATE_LINK_UP; 3418e6e287fSHans Petter Selasky } 3428e6e287fSHans Petter Selasky 3435dc00f00SJustin Hibbits ndev_ib_mtu = iboe_get_mtu(if_getmtu(ndev)); 3448e6e287fSHans Petter Selasky 3454ded022dSBjoern A. Zeeb if_rele(ndev); 3468e6e287fSHans Petter Selasky 3478e6e287fSHans Petter Selasky props->active_mtu = min(props->max_mtu, ndev_ib_mtu); 3488e6e287fSHans Petter Selasky return 0; 3498e6e287fSHans Petter Selasky } 3508e6e287fSHans Petter Selasky 3518e6e287fSHans Petter Selasky static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid, 3528e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 3538e6e287fSHans Petter Selasky void *mlx5_addr) 3548e6e287fSHans Petter Selasky { 3558e6e287fSHans Petter Selasky #define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v) 3568e6e287fSHans Petter Selasky char *mlx5_addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 3578e6e287fSHans Petter Selasky source_l3_address); 3588e6e287fSHans Petter Selasky void *mlx5_addr_mac = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, 3598e6e287fSHans Petter Selasky source_mac_47_32); 360f4546fa3SHans Petter Selasky u16 vlan_id; 3618e6e287fSHans Petter Selasky 3628e6e287fSHans Petter Selasky if (!gid) 3638e6e287fSHans Petter Selasky return; 3645dc00f00SJustin Hibbits ether_addr_copy(mlx5_addr_mac, if_getlladdr(attr->ndev)); 3658e6e287fSHans Petter Selasky 366f4546fa3SHans Petter Selasky vlan_id = rdma_vlan_dev_vlan_id(attr->ndev); 367f4546fa3SHans Petter Selasky if (vlan_id != 0xffff) { 3688e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_valid, 1); 369f4546fa3SHans Petter Selasky MLX5_SET_RA(mlx5_addr, vlan_id, vlan_id); 3708e6e287fSHans Petter Selasky } 3718e6e287fSHans Petter Selasky 3728e6e287fSHans Petter Selasky switch (attr->gid_type) { 3738e6e287fSHans Petter Selasky case IB_GID_TYPE_IB: 3748e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_1); 3758e6e287fSHans Petter Selasky break; 3768e6e287fSHans Petter Selasky case IB_GID_TYPE_ROCE_UDP_ENCAP: 3778e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_2); 3788e6e287fSHans Petter Selasky break; 3798e6e287fSHans Petter Selasky 3808e6e287fSHans Petter Selasky default: 3818e6e287fSHans Petter Selasky WARN_ON(true); 3828e6e287fSHans Petter Selasky } 3838e6e287fSHans Petter Selasky 3848e6e287fSHans Petter Selasky if (attr->gid_type != IB_GID_TYPE_IB) { 3858e6e287fSHans Petter Selasky if (ipv6_addr_v4mapped((void *)gid)) 3868e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3878e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV4); 3888e6e287fSHans Petter Selasky else 3898e6e287fSHans Petter Selasky MLX5_SET_RA(mlx5_addr, roce_l3_type, 3908e6e287fSHans Petter Selasky MLX5_ROCE_L3_TYPE_IPV6); 3918e6e287fSHans Petter Selasky } 3928e6e287fSHans Petter Selasky 3938e6e287fSHans Petter Selasky if ((attr->gid_type == IB_GID_TYPE_IB) || 3948e6e287fSHans Petter Selasky !ipv6_addr_v4mapped((void *)gid)) 3958e6e287fSHans Petter Selasky memcpy(mlx5_addr_l3_addr, gid, sizeof(*gid)); 3968e6e287fSHans Petter Selasky else 3978e6e287fSHans Petter Selasky memcpy(&mlx5_addr_l3_addr[12], &gid->raw[12], 4); 3988e6e287fSHans Petter Selasky } 3998e6e287fSHans Petter Selasky 4008e6e287fSHans Petter Selasky static int set_roce_addr(struct ib_device *device, u8 port_num, 4018e6e287fSHans Petter Selasky unsigned int index, 4028e6e287fSHans Petter Selasky const union ib_gid *gid, 4038e6e287fSHans Petter Selasky const struct ib_gid_attr *attr) 4048e6e287fSHans Petter Selasky { 4058e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(device); 4068e6e287fSHans Petter Selasky u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0}; 4078e6e287fSHans Petter Selasky u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0}; 4088e6e287fSHans Petter Selasky void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address); 4098e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(device, port_num); 4108e6e287fSHans Petter Selasky 4118e6e287fSHans Petter Selasky if (ll != IB_LINK_LAYER_ETHERNET) 4128e6e287fSHans Petter Selasky return -EINVAL; 4138e6e287fSHans Petter Selasky 4148e6e287fSHans Petter Selasky ib_gid_to_mlx5_roce_addr(gid, attr, in_addr); 4158e6e287fSHans Petter Selasky 4168e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, roce_address_index, index); 4178e6e287fSHans Petter Selasky MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS); 4188e6e287fSHans Petter Selasky return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); 4198e6e287fSHans Petter Selasky } 4208e6e287fSHans Petter Selasky 4218e6e287fSHans Petter Selasky static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, 4228e6e287fSHans Petter Selasky unsigned int index, const union ib_gid *gid, 4238e6e287fSHans Petter Selasky const struct ib_gid_attr *attr, 4248e6e287fSHans Petter Selasky __always_unused void **context) 4258e6e287fSHans Petter Selasky { 4268e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, gid, attr); 4278e6e287fSHans Petter Selasky } 4288e6e287fSHans Petter Selasky 4298e6e287fSHans Petter Selasky static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, 4308e6e287fSHans Petter Selasky unsigned int index, __always_unused void **context) 4318e6e287fSHans Petter Selasky { 4328e6e287fSHans Petter Selasky return set_roce_addr(device, port_num, index, NULL, NULL); 4338e6e287fSHans Petter Selasky } 4348e6e287fSHans Petter Selasky 4358e6e287fSHans Petter Selasky __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, 4368e6e287fSHans Petter Selasky int index) 4378e6e287fSHans Petter Selasky { 4388e6e287fSHans Petter Selasky struct ib_gid_attr attr; 4398e6e287fSHans Petter Selasky union ib_gid gid; 4408e6e287fSHans Petter Selasky 4418e6e287fSHans Petter Selasky if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) 4428e6e287fSHans Petter Selasky return 0; 4438e6e287fSHans Petter Selasky 4448e6e287fSHans Petter Selasky if (!attr.ndev) 4458e6e287fSHans Petter Selasky return 0; 4468e6e287fSHans Petter Selasky 4474ded022dSBjoern A. Zeeb if_rele(attr.ndev); 4488e6e287fSHans Petter Selasky 4498e6e287fSHans Petter Selasky if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) 4508e6e287fSHans Petter Selasky return 0; 4518e6e287fSHans Petter Selasky 4528e6e287fSHans Petter Selasky return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); 4538e6e287fSHans Petter Selasky } 4548e6e287fSHans Petter Selasky 455ed0cee0bSHans Petter Selasky int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num, 456ed0cee0bSHans Petter Selasky int index, enum ib_gid_type *gid_type) 457ed0cee0bSHans Petter Selasky { 458ed0cee0bSHans Petter Selasky struct ib_gid_attr attr; 459ed0cee0bSHans Petter Selasky union ib_gid gid; 460ed0cee0bSHans Petter Selasky int ret; 461ed0cee0bSHans Petter Selasky 462ed0cee0bSHans Petter Selasky ret = ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr); 463ed0cee0bSHans Petter Selasky if (ret) 464ed0cee0bSHans Petter Selasky return ret; 465ed0cee0bSHans Petter Selasky 466ed0cee0bSHans Petter Selasky if (!attr.ndev) 467ed0cee0bSHans Petter Selasky return -ENODEV; 468ed0cee0bSHans Petter Selasky 4694ded022dSBjoern A. Zeeb if_rele(attr.ndev); 470ed0cee0bSHans Petter Selasky 471ed0cee0bSHans Petter Selasky *gid_type = attr.gid_type; 472ed0cee0bSHans Petter Selasky 473ed0cee0bSHans Petter Selasky return 0; 474ed0cee0bSHans Petter Selasky } 475ed0cee0bSHans Petter Selasky 47612515907SHans Petter Selasky static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) 47712515907SHans Petter Selasky { 4788e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) 4798e6e287fSHans Petter Selasky return !MLX5_CAP_GEN(dev->mdev, ib_virt); 4808e6e287fSHans Petter Selasky return 0; 48112515907SHans Petter Selasky } 48212515907SHans Petter Selasky 48312515907SHans Petter Selasky enum { 48412515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_MAD, 48512515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_HCA, 48612515907SHans Petter Selasky MLX5_VPORT_ACCESS_METHOD_NIC, 48712515907SHans Petter Selasky }; 48812515907SHans Petter Selasky 48912515907SHans Petter Selasky static int mlx5_get_vport_access_method(struct ib_device *ibdev) 49012515907SHans Petter Selasky { 49112515907SHans Petter Selasky if (mlx5_use_mad_ifc(to_mdev(ibdev))) 49212515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_MAD; 49312515907SHans Petter Selasky 49412515907SHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 49512515907SHans Petter Selasky IB_LINK_LAYER_ETHERNET) 49612515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_NIC; 49712515907SHans Petter Selasky 49812515907SHans Petter Selasky return MLX5_VPORT_ACCESS_METHOD_HCA; 49912515907SHans Petter Selasky } 50012515907SHans Petter Selasky 5018e6e287fSHans Petter Selasky static void get_atomic_caps(struct mlx5_ib_dev *dev, 5028e6e287fSHans Petter Selasky struct ib_device_attr *props) 5038e6e287fSHans Petter Selasky { 5048e6e287fSHans Petter Selasky u8 tmp; 5058e6e287fSHans Petter Selasky u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); 5068e6e287fSHans Petter Selasky u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); 5078e6e287fSHans Petter Selasky u8 atomic_req_8B_endianness_mode = 5088e6e287fSHans Petter Selasky MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianess_mode); 5098e6e287fSHans Petter Selasky 5108e6e287fSHans Petter Selasky /* Check if HW supports 8 bytes standard atomic operations and capable 5118e6e287fSHans Petter Selasky * of host endianness respond 5128e6e287fSHans Petter Selasky */ 5138e6e287fSHans Petter Selasky tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; 5148e6e287fSHans Petter Selasky if (((atomic_operations & tmp) == tmp) && 5158e6e287fSHans Petter Selasky (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && 5168e6e287fSHans Petter Selasky (atomic_req_8B_endianness_mode)) { 5178e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_HCA; 5188e6e287fSHans Petter Selasky } else { 5198e6e287fSHans Petter Selasky props->atomic_cap = IB_ATOMIC_NONE; 5208e6e287fSHans Petter Selasky } 5218e6e287fSHans Petter Selasky } 5228e6e287fSHans Petter Selasky 52312515907SHans Petter Selasky static int mlx5_query_system_image_guid(struct ib_device *ibdev, 52412515907SHans Petter Selasky __be64 *sys_image_guid) 52512515907SHans Petter Selasky { 52612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 52712515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 52812515907SHans Petter Selasky u64 tmp; 52912515907SHans Petter Selasky int err; 53012515907SHans Petter Selasky 53112515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 53212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5338e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_system_image_guid(ibdev, 53412515907SHans Petter Selasky sys_image_guid); 53512515907SHans Petter Selasky 53612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 53712515907SHans Petter Selasky err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); 5388e6e287fSHans Petter Selasky break; 53912515907SHans Petter Selasky 54012515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 54112515907SHans Petter Selasky err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); 5428e6e287fSHans Petter Selasky break; 54312515907SHans Petter Selasky 54412515907SHans Petter Selasky default: 54512515907SHans Petter Selasky return -EINVAL; 54612515907SHans Petter Selasky } 5478e6e287fSHans Petter Selasky 5488e6e287fSHans Petter Selasky if (!err) 5498e6e287fSHans Petter Selasky *sys_image_guid = cpu_to_be64(tmp); 5508e6e287fSHans Petter Selasky 5518e6e287fSHans Petter Selasky return err; 5528e6e287fSHans Petter Selasky 55312515907SHans Petter Selasky } 55412515907SHans Petter Selasky 55512515907SHans Petter Selasky static int mlx5_query_max_pkeys(struct ib_device *ibdev, 55612515907SHans Petter Selasky u16 *max_pkeys) 55712515907SHans Petter Selasky { 55812515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 55912515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 56012515907SHans Petter Selasky 56112515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 56212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5638e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); 56412515907SHans Petter Selasky 56512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 56612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 56712515907SHans Petter Selasky *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, 56812515907SHans Petter Selasky pkey_table_size)); 56912515907SHans Petter Selasky return 0; 57012515907SHans Petter Selasky 57112515907SHans Petter Selasky default: 57212515907SHans Petter Selasky return -EINVAL; 57312515907SHans Petter Selasky } 57412515907SHans Petter Selasky } 57512515907SHans Petter Selasky 57612515907SHans Petter Selasky static int mlx5_query_vendor_id(struct ib_device *ibdev, 57712515907SHans Petter Selasky u32 *vendor_id) 57812515907SHans Petter Selasky { 57912515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 58012515907SHans Petter Selasky 58112515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 58212515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 5838e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); 58412515907SHans Petter Selasky 58512515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 58612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 58712515907SHans Petter Selasky return mlx5_core_query_vendor_id(dev->mdev, vendor_id); 58812515907SHans Petter Selasky 58912515907SHans Petter Selasky default: 59012515907SHans Petter Selasky return -EINVAL; 59112515907SHans Petter Selasky } 59212515907SHans Petter Selasky } 59312515907SHans Petter Selasky 59412515907SHans Petter Selasky static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, 59512515907SHans Petter Selasky __be64 *node_guid) 59612515907SHans Petter Selasky { 59712515907SHans Petter Selasky u64 tmp; 59812515907SHans Petter Selasky int err; 59912515907SHans Petter Selasky 60012515907SHans Petter Selasky switch (mlx5_get_vport_access_method(&dev->ib_dev)) { 60112515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 6028e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_guid(dev, node_guid); 60312515907SHans Petter Selasky 60412515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 60512515907SHans Petter Selasky err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); 6068e6e287fSHans Petter Selasky break; 60712515907SHans Petter Selasky 60812515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 60912515907SHans Petter Selasky err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); 6108e6e287fSHans Petter Selasky break; 61112515907SHans Petter Selasky 61212515907SHans Petter Selasky default: 61312515907SHans Petter Selasky return -EINVAL; 61412515907SHans Petter Selasky } 6158e6e287fSHans Petter Selasky 6168e6e287fSHans Petter Selasky if (!err) 6178e6e287fSHans Petter Selasky *node_guid = cpu_to_be64(tmp); 6188e6e287fSHans Petter Selasky 6198e6e287fSHans Petter Selasky return err; 62012515907SHans Petter Selasky } 62112515907SHans Petter Selasky 62212515907SHans Petter Selasky struct mlx5_reg_node_desc { 6238e6e287fSHans Petter Selasky u8 desc[IB_DEVICE_NODE_DESC_MAX]; 62412515907SHans Petter Selasky }; 62512515907SHans Petter Selasky 62612515907SHans Petter Selasky static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) 62712515907SHans Petter Selasky { 62812515907SHans Petter Selasky struct mlx5_reg_node_desc in; 62912515907SHans Petter Selasky 63012515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 6318e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_node_desc(dev, node_desc); 63212515907SHans Petter Selasky 63312515907SHans Petter Selasky memset(&in, 0, sizeof(in)); 63412515907SHans Petter Selasky 63512515907SHans Petter Selasky return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, 63612515907SHans Petter Selasky sizeof(struct mlx5_reg_node_desc), 63712515907SHans Petter Selasky MLX5_REG_NODE_DESC, 0, 0); 63812515907SHans Petter Selasky } 63912515907SHans Petter Selasky 64012515907SHans Petter Selasky static int mlx5_ib_query_device(struct ib_device *ibdev, 6418e6e287fSHans Petter Selasky struct ib_device_attr *props, 6428e6e287fSHans Petter Selasky struct ib_udata *uhw) 64312515907SHans Petter Selasky { 64412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 64512515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 6468e6e287fSHans Petter Selasky int err = -ENOMEM; 647c788dceaSHans Petter Selasky int max_sq_desc; 64812515907SHans Petter Selasky int max_rq_sg; 64912515907SHans Petter Selasky int max_sq_sg; 6508e6e287fSHans Petter Selasky u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); 6518e6e287fSHans Petter Selasky struct mlx5_ib_query_device_resp resp = {}; 6528e6e287fSHans Petter Selasky size_t resp_len; 6538e6e287fSHans Petter Selasky u64 max_tso; 65412515907SHans Petter Selasky 6558e6e287fSHans Petter Selasky resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); 6568e6e287fSHans Petter Selasky if (uhw->outlen && uhw->outlen < resp_len) 6578e6e287fSHans Petter Selasky return -EINVAL; 6588e6e287fSHans Petter Selasky else 6598e6e287fSHans Petter Selasky resp.response_length = resp_len; 6608e6e287fSHans Petter Selasky 6618e6e287fSHans Petter Selasky if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) 6628e6e287fSHans Petter Selasky return -EINVAL; 66312515907SHans Petter Selasky 66412515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 66512515907SHans Petter Selasky err = mlx5_query_system_image_guid(ibdev, 66612515907SHans Petter Selasky &props->sys_image_guid); 66712515907SHans Petter Selasky if (err) 66812515907SHans Petter Selasky return err; 66912515907SHans Petter Selasky 67012515907SHans Petter Selasky err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); 67112515907SHans Petter Selasky if (err) 67212515907SHans Petter Selasky return err; 67312515907SHans Petter Selasky 67412515907SHans Petter Selasky err = mlx5_query_vendor_id(ibdev, &props->vendor_id); 67512515907SHans Petter Selasky if (err) 67612515907SHans Petter Selasky return err; 67712515907SHans Petter Selasky 67812515907SHans Petter Selasky props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | 679c9e9b5c1SSlava Shwartsman ((u32)fw_rev_min(dev->mdev) << 16) | 68012515907SHans Petter Selasky fw_rev_sub(dev->mdev); 68112515907SHans Petter Selasky props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | 68212515907SHans Petter Selasky IB_DEVICE_PORT_ACTIVE_EVENT | 68312515907SHans Petter Selasky IB_DEVICE_SYS_IMAGE_GUID | 684da4068c4SZhenlei Huang IB_DEVICE_RC_RNR_NAK_GEN | 685da4068c4SZhenlei Huang IB_DEVICE_KNOWSEPOCH; 68612515907SHans Petter Selasky 68712515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, pkv)) 68812515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; 68912515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, qkv)) 69012515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; 69112515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, apm)) 69212515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; 69312515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) 69412515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_XRC; 6958e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 6968e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | 6978e6e287fSHans Petter Selasky IB_DEVICE_MEM_WINDOW_TYPE_2B; 6988e6e287fSHans Petter Selasky props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 6998e6e287fSHans Petter Selasky /* We support 'Gappy' memory registration too */ 7008e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; 7018e6e287fSHans Petter Selasky } 70212515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; 7038e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, sho)) { 7048e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; 7058e6e287fSHans Petter Selasky /* At this stage no support for signature handover */ 7068e6e287fSHans Petter Selasky props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | 7078e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_2 | 7088e6e287fSHans Petter Selasky IB_PROT_T10DIF_TYPE_3; 7098e6e287fSHans Petter Selasky props->sig_guard_cap = IB_GUARD_T10DIF_CRC | 7108e6e287fSHans Petter Selasky IB_GUARD_T10DIF_CSUM; 7118e6e287fSHans Petter Selasky } 71212515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, block_lb_mc)) 71312515907SHans Petter Selasky props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; 71412515907SHans Petter Selasky 7158e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) { 7168e6e287fSHans Petter Selasky if (MLX5_CAP_ETH(mdev, csum_cap)) 7178e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; 7188e6e287fSHans Petter Selasky 7198e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { 7208e6e287fSHans Petter Selasky max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); 7218e6e287fSHans Petter Selasky if (max_tso) { 7228e6e287fSHans Petter Selasky resp.tso_caps.max_tso = 1 << max_tso; 7238e6e287fSHans Petter Selasky resp.tso_caps.supported_qpts |= 7248e6e287fSHans Petter Selasky 1 << IB_QPT_RAW_PACKET; 7258e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 7268e6e287fSHans Petter Selasky } 7278e6e287fSHans Petter Selasky } 7288e6e287fSHans Petter Selasky 7298e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { 7308e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_function = 7318e6e287fSHans Petter Selasky MLX5_RX_HASH_FUNC_TOEPLITZ; 7328e6e287fSHans Petter Selasky resp.rss_caps.rx_hash_fields_mask = 7338e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV4 | 7348e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV4 | 7358e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_IPV6 | 7368e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_IPV6 | 7378e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_TCP | 7388e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_TCP | 7398e6e287fSHans Petter Selasky MLX5_RX_HASH_SRC_PORT_UDP | 7408e6e287fSHans Petter Selasky MLX5_RX_HASH_DST_PORT_UDP; 7418e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 7428e6e287fSHans Petter Selasky } 7438e6e287fSHans Petter Selasky } else { 7448e6e287fSHans Petter Selasky if (field_avail(typeof(resp), tso_caps, uhw->outlen)) 7458e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.tso_caps); 7468e6e287fSHans Petter Selasky if (field_avail(typeof(resp), rss_caps, uhw->outlen)) 7478e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.rss_caps); 7488e6e287fSHans Petter Selasky } 7498e6e287fSHans Petter Selasky 7508e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, ipoib_ipoib_offloads)) { 7518e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; 7528e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_UD_TSO; 7538e6e287fSHans Petter Selasky } 7548e6e287fSHans Petter Selasky 7558e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && 7568e6e287fSHans Petter Selasky MLX5_CAP_ETH(dev->mdev, scatter_fcs)) 7578e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; 7588e6e287fSHans Petter Selasky 7598e6e287fSHans Petter Selasky if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) 7608e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; 7618e6e287fSHans Petter Selasky 76212515907SHans Petter Selasky props->vendor_part_id = mdev->pdev->device; 76312515907SHans Petter Selasky props->hw_ver = mdev->pdev->revision; 76412515907SHans Petter Selasky 76512515907SHans Petter Selasky props->max_mr_size = ~0ull; 7668e6e287fSHans Petter Selasky props->page_size_cap = ~(min_page_size - 1); 76712515907SHans Petter Selasky props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); 76812515907SHans Petter Selasky props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); 76912515907SHans Petter Selasky max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / 77012515907SHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 771c788dceaSHans Petter Selasky max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512); 772c788dceaSHans Petter Selasky max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) - 773c788dceaSHans Petter Selasky sizeof(struct mlx5_wqe_raddr_seg)) / 7748e6e287fSHans Petter Selasky sizeof(struct mlx5_wqe_data_seg); 77512515907SHans Petter Selasky props->max_sge = min(max_rq_sg, max_sq_sg); 7768e6e287fSHans Petter Selasky props->max_sge_rd = MLX5_MAX_SGE_RD; 77712515907SHans Petter Selasky props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); 77812515907SHans Petter Selasky props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; 77912515907SHans Petter Selasky props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); 78012515907SHans Petter Selasky props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); 78112515907SHans Petter Selasky props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); 78212515907SHans Petter Selasky props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); 78312515907SHans Petter Selasky props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); 78412515907SHans Petter Selasky props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; 78512515907SHans Petter Selasky props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); 78612515907SHans Petter Selasky props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; 78712515907SHans Petter Selasky props->max_srq_sge = max_rq_sg - 1; 7888e6e287fSHans Petter Selasky props->max_fast_reg_page_list_len = 7898e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); 79012515907SHans Petter Selasky get_atomic_caps(dev, props); 7918e6e287fSHans Petter Selasky props->masked_atomic_cap = IB_ATOMIC_NONE; 79212515907SHans Petter Selasky props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); 79312515907SHans Petter Selasky props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); 79412515907SHans Petter Selasky props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * 79512515907SHans Petter Selasky props->max_mcast_grp; 79612515907SHans Petter Selasky props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ 7978e6e287fSHans Petter Selasky props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); 7988e6e287fSHans Petter Selasky props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; 7998e6e287fSHans Petter Selasky 8008e6e287fSHans Petter Selasky #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING 8018e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, pg)) 8028e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; 8038e6e287fSHans Petter Selasky props->odp_caps = dev->odp_caps; 8048e6e287fSHans Petter Selasky #endif 8058e6e287fSHans Petter Selasky 8068e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, cd)) 8078e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; 8088e6e287fSHans Petter Selasky 8098e6e287fSHans Petter Selasky if (!mlx5_core_is_pf(mdev)) 8108e6e287fSHans Petter Selasky props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; 8118e6e287fSHans Petter Selasky 8128e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, 1) == 8138e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 8148e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_tables = 8158e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); 8168e6e287fSHans Petter Selasky props->rss_caps.max_rwq_indirection_table_size = 8178e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); 8188e6e287fSHans Petter Selasky props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; 8198e6e287fSHans Petter Selasky props->max_wq_type_rq = 8208e6e287fSHans Petter Selasky 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); 8218e6e287fSHans Petter Selasky } 8228e6e287fSHans Petter Selasky 8238e6e287fSHans Petter Selasky if (uhw->outlen) { 8248e6e287fSHans Petter Selasky err = ib_copy_to_udata(uhw, &resp, resp.response_length); 8258e6e287fSHans Petter Selasky 8268e6e287fSHans Petter Selasky if (err) 8278e6e287fSHans Petter Selasky return err; 8288e6e287fSHans Petter Selasky } 82912515907SHans Petter Selasky 83012515907SHans Petter Selasky return 0; 83112515907SHans Petter Selasky } 83212515907SHans Petter Selasky 83312515907SHans Petter Selasky enum mlx5_ib_width { 83412515907SHans Petter Selasky MLX5_IB_WIDTH_1X = 1 << 0, 83512515907SHans Petter Selasky MLX5_IB_WIDTH_2X = 1 << 1, 83612515907SHans Petter Selasky MLX5_IB_WIDTH_4X = 1 << 2, 83712515907SHans Petter Selasky MLX5_IB_WIDTH_8X = 1 << 3, 83812515907SHans Petter Selasky MLX5_IB_WIDTH_12X = 1 << 4 83912515907SHans Petter Selasky }; 84012515907SHans Petter Selasky 84112515907SHans Petter Selasky static int translate_active_width(struct ib_device *ibdev, u8 active_width, 84212515907SHans Petter Selasky u8 *ib_width) 84312515907SHans Petter Selasky { 84412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 84512515907SHans Petter Selasky int err = 0; 84612515907SHans Petter Selasky 84712515907SHans Petter Selasky if (active_width & MLX5_IB_WIDTH_1X) { 84812515907SHans Petter Selasky *ib_width = IB_WIDTH_1X; 84912515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_2X) { 85086a39779SHans Petter Selasky *ib_width = IB_WIDTH_2X; 85112515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_4X) { 85212515907SHans Petter Selasky *ib_width = IB_WIDTH_4X; 85312515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_8X) { 85412515907SHans Petter Selasky *ib_width = IB_WIDTH_8X; 85512515907SHans Petter Selasky } else if (active_width & MLX5_IB_WIDTH_12X) { 85612515907SHans Petter Selasky *ib_width = IB_WIDTH_12X; 85712515907SHans Petter Selasky } else { 85812515907SHans Petter Selasky mlx5_ib_dbg(dev, "Invalid active_width %d\n", 85912515907SHans Petter Selasky (int)active_width); 86012515907SHans Petter Selasky err = -EINVAL; 86112515907SHans Petter Selasky } 86212515907SHans Petter Selasky 86312515907SHans Petter Selasky return err; 86412515907SHans Petter Selasky } 86512515907SHans Petter Selasky 86612515907SHans Petter Selasky enum ib_max_vl_num { 86712515907SHans Petter Selasky __IB_MAX_VL_0 = 1, 86812515907SHans Petter Selasky __IB_MAX_VL_0_1 = 2, 86912515907SHans Petter Selasky __IB_MAX_VL_0_3 = 3, 87012515907SHans Petter Selasky __IB_MAX_VL_0_7 = 4, 87112515907SHans Petter Selasky __IB_MAX_VL_0_14 = 5, 87212515907SHans Petter Selasky }; 87312515907SHans Petter Selasky 87412515907SHans Petter Selasky enum mlx5_vl_hw_cap { 87512515907SHans Petter Selasky MLX5_VL_HW_0 = 1, 87612515907SHans Petter Selasky MLX5_VL_HW_0_1 = 2, 87712515907SHans Petter Selasky MLX5_VL_HW_0_2 = 3, 87812515907SHans Petter Selasky MLX5_VL_HW_0_3 = 4, 87912515907SHans Petter Selasky MLX5_VL_HW_0_4 = 5, 88012515907SHans Petter Selasky MLX5_VL_HW_0_5 = 6, 88112515907SHans Petter Selasky MLX5_VL_HW_0_6 = 7, 88212515907SHans Petter Selasky MLX5_VL_HW_0_7 = 8, 88312515907SHans Petter Selasky MLX5_VL_HW_0_14 = 15 88412515907SHans Petter Selasky }; 88512515907SHans Petter Selasky 88612515907SHans Petter Selasky static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, 88712515907SHans Petter Selasky u8 *max_vl_num) 88812515907SHans Petter Selasky { 88912515907SHans Petter Selasky switch (vl_hw_cap) { 89012515907SHans Petter Selasky case MLX5_VL_HW_0: 89112515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0; 89212515907SHans Petter Selasky break; 89312515907SHans Petter Selasky case MLX5_VL_HW_0_1: 89412515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_1; 89512515907SHans Petter Selasky break; 89612515907SHans Petter Selasky case MLX5_VL_HW_0_3: 89712515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_3; 89812515907SHans Petter Selasky break; 89912515907SHans Petter Selasky case MLX5_VL_HW_0_7: 90012515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_7; 90112515907SHans Petter Selasky break; 90212515907SHans Petter Selasky case MLX5_VL_HW_0_14: 90312515907SHans Petter Selasky *max_vl_num = __IB_MAX_VL_0_14; 90412515907SHans Petter Selasky break; 90512515907SHans Petter Selasky 90612515907SHans Petter Selasky default: 90712515907SHans Petter Selasky return -EINVAL; 90812515907SHans Petter Selasky } 90912515907SHans Petter Selasky 91012515907SHans Petter Selasky return 0; 91112515907SHans Petter Selasky } 91212515907SHans Petter Selasky 9138e6e287fSHans Petter Selasky static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, 91412515907SHans Petter Selasky struct ib_port_attr *props) 91512515907SHans Petter Selasky { 91612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 91712515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 91812515907SHans Petter Selasky u32 *rep; 9198e6e287fSHans Petter Selasky int replen = MLX5_ST_SZ_BYTES(query_hca_vport_context_out); 92012515907SHans Petter Selasky struct mlx5_ptys_reg *ptys; 92112515907SHans Petter Selasky struct mlx5_pmtu_reg *pmtu; 92212515907SHans Petter Selasky struct mlx5_pvlc_reg pvlc; 92312515907SHans Petter Selasky void *ctx; 92412515907SHans Petter Selasky int err; 92512515907SHans Petter Selasky 9268e6e287fSHans Petter Selasky rep = mlx5_vzalloc(replen); 92712515907SHans Petter Selasky ptys = kzalloc(sizeof(*ptys), GFP_KERNEL); 92812515907SHans Petter Selasky pmtu = kzalloc(sizeof(*pmtu), GFP_KERNEL); 92912515907SHans Petter Selasky if (!rep || !ptys || !pmtu) { 93012515907SHans Petter Selasky err = -ENOMEM; 93112515907SHans Petter Selasky goto out; 93212515907SHans Petter Selasky } 93312515907SHans Petter Selasky 93412515907SHans Petter Selasky memset(props, 0, sizeof(*props)); 93512515907SHans Petter Selasky 9368e6e287fSHans Petter Selasky err = mlx5_query_hca_vport_context(mdev, port, 0, rep, replen); 93712515907SHans Petter Selasky if (err) 93812515907SHans Petter Selasky goto out; 93912515907SHans Petter Selasky 94012515907SHans Petter Selasky ctx = MLX5_ADDR_OF(query_hca_vport_context_out, rep, hca_vport_context); 94112515907SHans Petter Selasky 94212515907SHans Petter Selasky props->lid = MLX5_GET(hca_vport_context, ctx, lid); 94312515907SHans Petter Selasky props->lmc = MLX5_GET(hca_vport_context, ctx, lmc); 94412515907SHans Petter Selasky props->sm_lid = MLX5_GET(hca_vport_context, ctx, sm_lid); 94512515907SHans Petter Selasky props->sm_sl = MLX5_GET(hca_vport_context, ctx, sm_sl); 94612515907SHans Petter Selasky props->state = MLX5_GET(hca_vport_context, ctx, vport_state); 94712515907SHans Petter Selasky props->phys_state = MLX5_GET(hca_vport_context, ctx, 94812515907SHans Petter Selasky port_physical_state); 94912515907SHans Petter Selasky props->port_cap_flags = MLX5_GET(hca_vport_context, ctx, cap_mask1); 95012515907SHans Petter Selasky props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); 95112515907SHans Petter Selasky props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); 95212515907SHans Petter Selasky props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); 95312515907SHans Petter Selasky props->bad_pkey_cntr = MLX5_GET(hca_vport_context, ctx, 95412515907SHans Petter Selasky pkey_violation_counter); 95512515907SHans Petter Selasky props->qkey_viol_cntr = MLX5_GET(hca_vport_context, ctx, 95612515907SHans Petter Selasky qkey_violation_counter); 95712515907SHans Petter Selasky props->subnet_timeout = MLX5_GET(hca_vport_context, ctx, 95812515907SHans Petter Selasky subnet_timeout); 95912515907SHans Petter Selasky props->init_type_reply = MLX5_GET(hca_vport_context, ctx, 96012515907SHans Petter Selasky init_type_reply); 9618e6e287fSHans Petter Selasky props->grh_required = MLX5_GET(hca_vport_context, ctx, grh_required); 96212515907SHans Petter Selasky 96312515907SHans Petter Selasky ptys->proto_mask |= MLX5_PTYS_IB; 96412515907SHans Petter Selasky ptys->local_port = port; 96512515907SHans Petter Selasky err = mlx5_core_access_ptys(mdev, ptys, 0); 96612515907SHans Petter Selasky if (err) 96712515907SHans Petter Selasky goto out; 96812515907SHans Petter Selasky 96912515907SHans Petter Selasky err = translate_active_width(ibdev, ptys->ib_link_width_oper, 97012515907SHans Petter Selasky &props->active_width); 97112515907SHans Petter Selasky if (err) 97212515907SHans Petter Selasky goto out; 97312515907SHans Petter Selasky 97412515907SHans Petter Selasky props->active_speed = (u8)ptys->ib_proto_oper; 97512515907SHans Petter Selasky 97612515907SHans Petter Selasky pmtu->local_port = port; 97712515907SHans Petter Selasky err = mlx5_core_access_pmtu(mdev, pmtu, 0); 97812515907SHans Petter Selasky if (err) 97912515907SHans Petter Selasky goto out; 98012515907SHans Petter Selasky 98112515907SHans Petter Selasky props->max_mtu = pmtu->max_mtu; 98212515907SHans Petter Selasky props->active_mtu = pmtu->oper_mtu; 98312515907SHans Petter Selasky 98412515907SHans Petter Selasky memset(&pvlc, 0, sizeof(pvlc)); 98512515907SHans Petter Selasky pvlc.local_port = port; 98612515907SHans Petter Selasky err = mlx5_core_access_pvlc(mdev, &pvlc, 0); 98712515907SHans Petter Selasky if (err) 98812515907SHans Petter Selasky goto out; 98912515907SHans Petter Selasky 99012515907SHans Petter Selasky err = translate_max_vl_num(ibdev, pvlc.vl_hw_cap, 99112515907SHans Petter Selasky &props->max_vl_num); 99212515907SHans Petter Selasky out: 99312515907SHans Petter Selasky kvfree(rep); 99412515907SHans Petter Selasky kfree(ptys); 99512515907SHans Petter Selasky kfree(pmtu); 99612515907SHans Petter Selasky return err; 99712515907SHans Petter Selasky } 99812515907SHans Petter Selasky 99912515907SHans Petter Selasky int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, 100012515907SHans Petter Selasky struct ib_port_attr *props) 100112515907SHans Petter Selasky { 100212515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 100312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 10048e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_port(ibdev, port, props); 100512515907SHans Petter Selasky 100612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 10078e6e287fSHans Petter Selasky return mlx5_query_hca_port(ibdev, port, props); 100812515907SHans Petter Selasky 100912515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 101012515907SHans Petter Selasky return mlx5_query_port_roce(ibdev, port, props); 101112515907SHans Petter Selasky 101212515907SHans Petter Selasky default: 101312515907SHans Petter Selasky return -EINVAL; 101412515907SHans Petter Selasky } 101512515907SHans Petter Selasky } 101612515907SHans Petter Selasky 101712515907SHans Petter Selasky static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, 101812515907SHans Petter Selasky union ib_gid *gid) 101912515907SHans Petter Selasky { 102012515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 102112515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 102212515907SHans Petter Selasky 102312515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 102412515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 10258e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); 102612515907SHans Petter Selasky 102712515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 102812515907SHans Petter Selasky return mlx5_query_hca_vport_gid(mdev, port, 0, index, gid); 102912515907SHans Petter Selasky 103012515907SHans Petter Selasky default: 103112515907SHans Petter Selasky return -EINVAL; 103212515907SHans Petter Selasky } 10338e6e287fSHans Petter Selasky 103412515907SHans Petter Selasky } 103512515907SHans Petter Selasky 103612515907SHans Petter Selasky static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 103712515907SHans Petter Selasky u16 *pkey) 103812515907SHans Petter Selasky { 103912515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 104012515907SHans Petter Selasky struct mlx5_core_dev *mdev = dev->mdev; 104112515907SHans Petter Selasky 104212515907SHans Petter Selasky switch (mlx5_get_vport_access_method(ibdev)) { 104312515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_MAD: 10448e6e287fSHans Petter Selasky return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); 104512515907SHans Petter Selasky 104612515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_HCA: 104712515907SHans Petter Selasky case MLX5_VPORT_ACCESS_METHOD_NIC: 104812515907SHans Petter Selasky return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index, 104912515907SHans Petter Selasky pkey); 105012515907SHans Petter Selasky default: 105112515907SHans Petter Selasky return -EINVAL; 105212515907SHans Petter Selasky } 105312515907SHans Petter Selasky } 105412515907SHans Petter Selasky 105512515907SHans Petter Selasky static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, 105612515907SHans Petter Selasky struct ib_device_modify *props) 105712515907SHans Petter Selasky { 105812515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 105912515907SHans Petter Selasky struct mlx5_reg_node_desc in; 106012515907SHans Petter Selasky struct mlx5_reg_node_desc out; 106112515907SHans Petter Selasky int err; 106212515907SHans Petter Selasky 106312515907SHans Petter Selasky if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) 106412515907SHans Petter Selasky return -EOPNOTSUPP; 106512515907SHans Petter Selasky 106612515907SHans Petter Selasky if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) 106712515907SHans Petter Selasky return 0; 106812515907SHans Petter Selasky 106912515907SHans Petter Selasky /* 107012515907SHans Petter Selasky * If possible, pass node desc to FW, so it can generate 107112515907SHans Petter Selasky * a 144 trap. If cmd fails, just ignore. 107212515907SHans Petter Selasky */ 10738e6e287fSHans Petter Selasky memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 107412515907SHans Petter Selasky err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, 107512515907SHans Petter Selasky sizeof(out), MLX5_REG_NODE_DESC, 0, 1); 107612515907SHans Petter Selasky if (err) 107712515907SHans Petter Selasky return err; 107812515907SHans Petter Selasky 10798e6e287fSHans Petter Selasky memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); 108012515907SHans Petter Selasky 108112515907SHans Petter Selasky return err; 108212515907SHans Petter Selasky } 108312515907SHans Petter Selasky 108412515907SHans Petter Selasky static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, 108512515907SHans Petter Selasky struct ib_port_modify *props) 108612515907SHans Petter Selasky { 108712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 108812515907SHans Petter Selasky struct ib_port_attr attr; 108912515907SHans Petter Selasky u32 tmp; 109012515907SHans Petter Selasky int err; 109112515907SHans Petter Selasky 1092ebf7e777SHans Petter Selasky /* 1093ebf7e777SHans Petter Selasky * CM layer calls ib_modify_port() regardless of the link 1094ebf7e777SHans Petter Selasky * layer. For Ethernet ports, qkey violation and Port 1095ebf7e777SHans Petter Selasky * capabilities are meaningless. 1096ebf7e777SHans Petter Selasky */ 1097ebf7e777SHans Petter Selasky if (mlx5_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_ETHERNET) 1098ebf7e777SHans Petter Selasky return 0; 1099ebf7e777SHans Petter Selasky 110012515907SHans Petter Selasky mutex_lock(&dev->cap_mask_mutex); 110112515907SHans Petter Selasky 110212515907SHans Petter Selasky err = mlx5_ib_query_port(ibdev, port, &attr); 110312515907SHans Petter Selasky if (err) 110412515907SHans Petter Selasky goto out; 110512515907SHans Petter Selasky 110612515907SHans Petter Selasky tmp = (attr.port_cap_flags | props->set_port_cap_mask) & 110712515907SHans Petter Selasky ~props->clr_port_cap_mask; 110812515907SHans Petter Selasky 110912515907SHans Petter Selasky err = mlx5_set_port_caps(dev->mdev, port, tmp); 111012515907SHans Petter Selasky 111112515907SHans Petter Selasky out: 111212515907SHans Petter Selasky mutex_unlock(&dev->cap_mask_mutex); 111312515907SHans Petter Selasky return err; 111412515907SHans Petter Selasky } 111512515907SHans Petter Selasky 1116b633e08cSHans Petter Selasky static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps) 1117b633e08cSHans Petter Selasky { 1118b633e08cSHans Petter Selasky mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n", 1119b633e08cSHans Petter Selasky caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n"); 1120b633e08cSHans Petter Selasky } 1121b633e08cSHans Petter Selasky 1122f8f5b459SHans Petter Selasky static u16 calc_dynamic_bfregs(int uars_per_sys_page) 1123f8f5b459SHans Petter Selasky { 1124f8f5b459SHans Petter Selasky /* Large page with non 4k uar support might limit the dynamic size */ 1125f8f5b459SHans Petter Selasky if (uars_per_sys_page == 1 && PAGE_SIZE > 4096) 1126f8f5b459SHans Petter Selasky return MLX5_MIN_DYN_BFREGS; 1127f8f5b459SHans Petter Selasky 1128f8f5b459SHans Petter Selasky return MLX5_MAX_DYN_BFREGS; 1129f8f5b459SHans Petter Selasky } 1130f8f5b459SHans Petter Selasky 1131f8f5b459SHans Petter Selasky static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k, 1132f8f5b459SHans Petter Selasky struct mlx5_ib_alloc_ucontext_req_v2 *req, 1133f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi) 1134f8f5b459SHans Petter Selasky { 1135f8f5b459SHans Petter Selasky int uars_per_sys_page; 1136f8f5b459SHans Petter Selasky int bfregs_per_sys_page; 1137f8f5b459SHans Petter Selasky int ref_bfregs = req->total_num_bfregs; 1138f8f5b459SHans Petter Selasky 1139f8f5b459SHans Petter Selasky if (req->total_num_bfregs == 0) 1140f8f5b459SHans Petter Selasky return -EINVAL; 1141f8f5b459SHans Petter Selasky 1142f8f5b459SHans Petter Selasky BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE); 1143f8f5b459SHans Petter Selasky BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE); 1144f8f5b459SHans Petter Selasky 1145f8f5b459SHans Petter Selasky if (req->total_num_bfregs > MLX5_MAX_BFREGS) 1146f8f5b459SHans Petter Selasky return -ENOMEM; 1147f8f5b459SHans Petter Selasky 1148f8f5b459SHans Petter Selasky uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k); 1149f8f5b459SHans Petter Selasky bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR; 1150f8f5b459SHans Petter Selasky /* This holds the required static allocation asked by the user */ 1151f8f5b459SHans Petter Selasky req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page); 1152f8f5b459SHans Petter Selasky if (req->num_low_latency_bfregs > req->total_num_bfregs - 1) 1153f8f5b459SHans Petter Selasky return -EINVAL; 1154f8f5b459SHans Petter Selasky 1155f8f5b459SHans Petter Selasky bfregi->num_static_sys_pages = req->total_num_bfregs / bfregs_per_sys_page; 1156f8f5b459SHans Petter Selasky bfregi->num_dyn_bfregs = ALIGN(calc_dynamic_bfregs(uars_per_sys_page), bfregs_per_sys_page); 1157f8f5b459SHans Petter Selasky bfregi->total_num_bfregs = req->total_num_bfregs + bfregi->num_dyn_bfregs; 1158f8f5b459SHans Petter Selasky bfregi->num_sys_pages = bfregi->total_num_bfregs / bfregs_per_sys_page; 1159f8f5b459SHans Petter Selasky 1160f8f5b459SHans Petter Selasky mlx5_ib_dbg(dev, "uar_4k: fw support %s, lib support %s, user requested %d bfregs, allocated %d, total bfregs %d, using %d sys pages\n", 1161f8f5b459SHans Petter Selasky MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no", 1162f8f5b459SHans Petter Selasky lib_uar_4k ? "yes" : "no", ref_bfregs, 1163f8f5b459SHans Petter Selasky req->total_num_bfregs, bfregi->total_num_bfregs, 1164f8f5b459SHans Petter Selasky bfregi->num_sys_pages); 1165f8f5b459SHans Petter Selasky 1166f8f5b459SHans Petter Selasky return 0; 1167f8f5b459SHans Petter Selasky } 1168f8f5b459SHans Petter Selasky 1169f8f5b459SHans Petter Selasky static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) 1170f8f5b459SHans Petter Selasky { 1171f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi; 1172f8f5b459SHans Petter Selasky int err; 1173f8f5b459SHans Petter Selasky int i; 1174f8f5b459SHans Petter Selasky 1175f8f5b459SHans Petter Selasky bfregi = &context->bfregi; 1176f8f5b459SHans Petter Selasky for (i = 0; i < bfregi->num_static_sys_pages; i++) { 1177f8f5b459SHans Petter Selasky err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]); 1178f8f5b459SHans Petter Selasky if (err) 1179f8f5b459SHans Petter Selasky goto error; 1180f8f5b459SHans Petter Selasky 1181f8f5b459SHans Petter Selasky mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]); 1182f8f5b459SHans Petter Selasky } 1183f8f5b459SHans Petter Selasky 1184f8f5b459SHans Petter Selasky for (i = bfregi->num_static_sys_pages; i < bfregi->num_sys_pages; i++) 1185f8f5b459SHans Petter Selasky bfregi->sys_pages[i] = MLX5_IB_INVALID_UAR_INDEX; 1186f8f5b459SHans Petter Selasky 1187f8f5b459SHans Petter Selasky return 0; 1188f8f5b459SHans Petter Selasky 1189f8f5b459SHans Petter Selasky error: 1190f8f5b459SHans Petter Selasky for (--i; i >= 0; i--) 1191f8f5b459SHans Petter Selasky if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i])) 1192f8f5b459SHans Petter Selasky mlx5_ib_warn(dev, "failed to free uar %d\n", i); 1193f8f5b459SHans Petter Selasky 1194f8f5b459SHans Petter Selasky return err; 1195f8f5b459SHans Petter Selasky } 1196f8f5b459SHans Petter Selasky 1197f8f5b459SHans Petter Selasky static void deallocate_uars(struct mlx5_ib_dev *dev, 1198f8f5b459SHans Petter Selasky struct mlx5_ib_ucontext *context) 1199f8f5b459SHans Petter Selasky { 1200f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi; 1201f8f5b459SHans Petter Selasky int i; 1202f8f5b459SHans Petter Selasky 1203f8f5b459SHans Petter Selasky bfregi = &context->bfregi; 1204f8f5b459SHans Petter Selasky for (i = 0; i < bfregi->num_sys_pages; i++) 1205f8f5b459SHans Petter Selasky if (i < bfregi->num_static_sys_pages || 1206f8f5b459SHans Petter Selasky bfregi->sys_pages[i] != MLX5_IB_INVALID_UAR_INDEX) 1207f8f5b459SHans Petter Selasky mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]); 1208f8f5b459SHans Petter Selasky } 1209f8f5b459SHans Petter Selasky 1210b633e08cSHans Petter Selasky static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn, 1211b633e08cSHans Petter Selasky u16 uid) 1212b633e08cSHans Petter Selasky { 1213b633e08cSHans Petter Selasky int err; 1214b633e08cSHans Petter Selasky 1215b633e08cSHans Petter Selasky if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 1216b633e08cSHans Petter Selasky return 0; 1217b633e08cSHans Petter Selasky 1218b633e08cSHans Petter Selasky err = mlx5_alloc_transport_domain(dev->mdev, tdn, uid); 1219b633e08cSHans Petter Selasky if (err) 1220b633e08cSHans Petter Selasky return err; 1221b633e08cSHans Petter Selasky 1222ea00d7e8SHans Petter Selasky if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || 1223ea00d7e8SHans Petter Selasky (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && 1224ea00d7e8SHans Petter Selasky !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) 1225b633e08cSHans Petter Selasky return 0; 1226ea00d7e8SHans Petter Selasky 1227ea00d7e8SHans Petter Selasky mutex_lock(&dev->lb_mutex); 1228ea00d7e8SHans Petter Selasky dev->user_td++; 1229ea00d7e8SHans Petter Selasky 1230ea00d7e8SHans Petter Selasky if (dev->user_td == 2) 1231ea00d7e8SHans Petter Selasky err = mlx5_nic_vport_update_local_lb(dev->mdev, true); 1232ea00d7e8SHans Petter Selasky 1233ea00d7e8SHans Petter Selasky mutex_unlock(&dev->lb_mutex); 1234ea00d7e8SHans Petter Selasky 1235ea00d7e8SHans Petter Selasky if (err != 0) 1236ea00d7e8SHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, *tdn, uid); 1237ea00d7e8SHans Petter Selasky return err; 1238b633e08cSHans Petter Selasky } 1239b633e08cSHans Petter Selasky 1240b633e08cSHans Petter Selasky static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn, 1241b633e08cSHans Petter Selasky u16 uid) 1242b633e08cSHans Petter Selasky { 1243b633e08cSHans Petter Selasky if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) 1244b633e08cSHans Petter Selasky return; 1245b633e08cSHans Petter Selasky 1246b633e08cSHans Petter Selasky mlx5_dealloc_transport_domain(dev->mdev, tdn, uid); 1247ea00d7e8SHans Petter Selasky 1248ea00d7e8SHans Petter Selasky if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || 1249ea00d7e8SHans Petter Selasky (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && 1250ea00d7e8SHans Petter Selasky !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) 1251ea00d7e8SHans Petter Selasky return; 1252ea00d7e8SHans Petter Selasky 1253ea00d7e8SHans Petter Selasky mutex_lock(&dev->lb_mutex); 1254ea00d7e8SHans Petter Selasky dev->user_td--; 1255ea00d7e8SHans Petter Selasky 1256ea00d7e8SHans Petter Selasky if (dev->user_td < 2) 1257ea00d7e8SHans Petter Selasky mlx5_nic_vport_update_local_lb(dev->mdev, false); 1258ea00d7e8SHans Petter Selasky 1259ea00d7e8SHans Petter Selasky mutex_unlock(&dev->lb_mutex); 1260b633e08cSHans Petter Selasky } 1261b633e08cSHans Petter Selasky 1262b633e08cSHans Petter Selasky static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx, 126312515907SHans Petter Selasky struct ib_udata *udata) 126412515907SHans Petter Selasky { 1265b633e08cSHans Petter Selasky struct ib_device *ibdev = uctx->device; 126612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 12678e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_req_v2 req = {}; 12688e6e287fSHans Petter Selasky struct mlx5_ib_alloc_ucontext_resp resp = {}; 1269b633e08cSHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(uctx); 1270f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi; 127112515907SHans Petter Selasky int ver; 127212515907SHans Petter Selasky int err; 12738e6e287fSHans Petter Selasky size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, 12748e6e287fSHans Petter Selasky max_cqe_version); 1275f8f5b459SHans Petter Selasky bool lib_uar_4k; 1276f8f5b459SHans Petter Selasky bool lib_uar_dyn; 127712515907SHans Petter Selasky 127812515907SHans Petter Selasky if (!dev->ib_active) 1279b633e08cSHans Petter Selasky return -EAGAIN; 128012515907SHans Petter Selasky 1281b633e08cSHans Petter Selasky if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) 128212515907SHans Petter Selasky ver = 0; 1283b633e08cSHans Petter Selasky else if (udata->inlen >= min_req_v2) 128412515907SHans Petter Selasky ver = 2; 12858e6e287fSHans Petter Selasky else 1286b633e08cSHans Petter Selasky return -EINVAL; 128712515907SHans Petter Selasky 1288b633e08cSHans Petter Selasky err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req))); 12898e6e287fSHans Petter Selasky if (err) 1290b633e08cSHans Petter Selasky return err; 129112515907SHans Petter Selasky 1292b633e08cSHans Petter Selasky if (req.flags & ~MLX5_IB_ALLOC_UCTX_DEVX) 1293b633e08cSHans Petter Selasky return -EOPNOTSUPP; 129412515907SHans Petter Selasky 12958e6e287fSHans Petter Selasky if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) 1296b633e08cSHans Petter Selasky return -EOPNOTSUPP; 12978e6e287fSHans Petter Selasky 1298f8f5b459SHans Petter Selasky req.total_num_bfregs = ALIGN(req.total_num_bfregs, 1299f8f5b459SHans Petter Selasky MLX5_NON_FP_BFREGS_PER_UAR); 1300f8f5b459SHans Petter Selasky if (req.num_low_latency_bfregs > req.total_num_bfregs - 1) 1301b633e08cSHans Petter Selasky return -EINVAL; 130212515907SHans Petter Selasky 130312515907SHans Petter Selasky resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); 130412515907SHans Petter Selasky if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) 130512515907SHans Petter Selasky resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); 13068e6e287fSHans Petter Selasky resp.cache_line_size = cache_line_size(); 130712515907SHans Petter Selasky resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); 130812515907SHans Petter Selasky resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); 130912515907SHans Petter Selasky resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 131012515907SHans Petter Selasky resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); 131112515907SHans Petter Selasky resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); 13128e6e287fSHans Petter Selasky resp.cqe_version = min_t(__u8, 13138e6e287fSHans Petter Selasky (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), 13148e6e287fSHans Petter Selasky req.max_cqe_version); 1315f8f5b459SHans Petter Selasky resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ? 1316f8f5b459SHans Petter Selasky MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT; 1317f8f5b459SHans Petter Selasky resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? 1318f8f5b459SHans Petter Selasky MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1; 13198e6e287fSHans Petter Selasky resp.response_length = min(offsetof(typeof(resp), response_length) + 13208e6e287fSHans Petter Selasky sizeof(resp.response_length), udata->outlen); 132112515907SHans Petter Selasky 1322f8f5b459SHans Petter Selasky lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR; 1323f8f5b459SHans Petter Selasky lib_uar_dyn = req.lib_caps & MLX5_LIB_CAP_DYN_UAR; 1324f8f5b459SHans Petter Selasky bfregi = &context->bfregi; 1325f8f5b459SHans Petter Selasky 1326f8f5b459SHans Petter Selasky if (lib_uar_dyn) { 1327f8f5b459SHans Petter Selasky bfregi->lib_uar_dyn = lib_uar_dyn; 1328f8f5b459SHans Petter Selasky goto uar_done; 1329f8f5b459SHans Petter Selasky } 1330f8f5b459SHans Petter Selasky 1331f8f5b459SHans Petter Selasky /* updates req->total_num_bfregs */ 1332f8f5b459SHans Petter Selasky err = calc_total_bfregs(dev, lib_uar_4k, &req, bfregi); 1333f8f5b459SHans Petter Selasky if (err) 1334f8f5b459SHans Petter Selasky goto out_ctx; 1335f8f5b459SHans Petter Selasky 1336f8f5b459SHans Petter Selasky mutex_init(&bfregi->lock); 1337f8f5b459SHans Petter Selasky bfregi->lib_uar_4k = lib_uar_4k; 1338f8f5b459SHans Petter Selasky bfregi->count = kcalloc(bfregi->total_num_bfregs, sizeof(*bfregi->count), 1339f8f5b459SHans Petter Selasky GFP_KERNEL); 1340f8f5b459SHans Petter Selasky if (!bfregi->count) { 134112515907SHans Petter Selasky err = -ENOMEM; 134212515907SHans Petter Selasky goto out_ctx; 134312515907SHans Petter Selasky } 134412515907SHans Petter Selasky 1345f8f5b459SHans Petter Selasky bfregi->sys_pages = kcalloc(bfregi->num_sys_pages, 1346f8f5b459SHans Petter Selasky sizeof(*bfregi->sys_pages), 134712515907SHans Petter Selasky GFP_KERNEL); 1348f8f5b459SHans Petter Selasky if (!bfregi->sys_pages) { 134912515907SHans Petter Selasky err = -ENOMEM; 13508e6e287fSHans Petter Selasky goto out_count; 13518e6e287fSHans Petter Selasky } 13528e6e287fSHans Petter Selasky 1353f8f5b459SHans Petter Selasky err = allocate_uars(dev, context); 1354f8f5b459SHans Petter Selasky if (err) 1355f8f5b459SHans Petter Selasky goto out_sys_pages; 1356f8f5b459SHans Petter Selasky 1357f8f5b459SHans Petter Selasky uar_done: 1358b633e08cSHans Petter Selasky if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) { 1359b633e08cSHans Petter Selasky err = mlx5_ib_devx_create(dev, true); 1360b633e08cSHans Petter Selasky if (err < 0) 136112515907SHans Petter Selasky goto out_uars; 1362b633e08cSHans Petter Selasky context->devx_uid = err; 136312515907SHans Petter Selasky } 136412515907SHans Petter Selasky 1365b633e08cSHans Petter Selasky err = mlx5_ib_alloc_transport_domain(dev, &context->tdn, 1366b633e08cSHans Petter Selasky context->devx_uid); 1367b633e08cSHans Petter Selasky if (err) 1368b633e08cSHans Petter Selasky goto out_devx; 1369b633e08cSHans Petter Selasky 137012515907SHans Petter Selasky INIT_LIST_HEAD(&context->db_page_list); 137112515907SHans Petter Selasky mutex_init(&context->db_page_mutex); 137212515907SHans Petter Selasky 1373f8f5b459SHans Petter Selasky resp.tot_bfregs = lib_uar_dyn ? 0 : req.total_num_bfregs; 137412515907SHans Petter Selasky resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports); 13758e6e287fSHans Petter Selasky 13768e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cqe_version, udata->outlen)) 13778e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cqe_version); 13788e6e287fSHans Petter Selasky 13798e6e287fSHans Petter Selasky if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { 13801456d97cSHans Petter Selasky resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | 13811456d97cSHans Petter Selasky MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; 13828e6e287fSHans Petter Selasky resp.response_length += sizeof(resp.cmds_supp_uhw); 13838e6e287fSHans Petter Selasky } 13848e6e287fSHans Petter Selasky 13858e6e287fSHans Petter Selasky /* 13868e6e287fSHans Petter Selasky * We don't want to expose information from the PCI bar that is located 13878e6e287fSHans Petter Selasky * after 4096 bytes, so if the arch only supports larger pages, let's 13888e6e287fSHans Petter Selasky * pretend we don't support reading the HCA's core clock. This is also 13898e6e287fSHans Petter Selasky * forced by mmap function. 13908e6e287fSHans Petter Selasky */ 1391f8f5b459SHans Petter Selasky if (offsetofend(typeof(resp), hca_core_clock_offset) <= udata->outlen) { 1392f8f5b459SHans Petter Selasky if (PAGE_SIZE <= 4096) { 13938e6e287fSHans Petter Selasky resp.comp_mask |= 13948e6e287fSHans Petter Selasky MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; 13958e6e287fSHans Petter Selasky resp.hca_core_clock_offset = 1396f8f5b459SHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE; 1397f8f5b459SHans Petter Selasky } 1398f8f5b459SHans Petter Selasky resp.response_length += sizeof(resp.hca_core_clock_offset); 1399f8f5b459SHans Petter Selasky } 1400f8f5b459SHans Petter Selasky 1401f8f5b459SHans Petter Selasky if (offsetofend(typeof(resp), log_uar_size) <= udata->outlen) 1402f8f5b459SHans Petter Selasky resp.response_length += sizeof(resp.log_uar_size); 1403f8f5b459SHans Petter Selasky 1404f8f5b459SHans Petter Selasky if (offsetofend(typeof(resp), num_uars_per_page) <= udata->outlen) 1405f8f5b459SHans Petter Selasky resp.response_length += sizeof(resp.num_uars_per_page); 1406f8f5b459SHans Petter Selasky 1407f8f5b459SHans Petter Selasky if (offsetofend(typeof(resp), num_dyn_bfregs) <= udata->outlen) { 1408f8f5b459SHans Petter Selasky resp.num_dyn_bfregs = bfregi->num_dyn_bfregs; 1409f8f5b459SHans Petter Selasky resp.response_length += sizeof(resp.num_dyn_bfregs); 14108e6e287fSHans Petter Selasky } 14118e6e287fSHans Petter Selasky 14128e6e287fSHans Petter Selasky err = ib_copy_to_udata(udata, &resp, resp.response_length); 141312515907SHans Petter Selasky if (err) 1414b633e08cSHans Petter Selasky goto out_mdev; 141512515907SHans Petter Selasky 1416f8f5b459SHans Petter Selasky bfregi->ver = ver; 1417f8f5b459SHans Petter Selasky bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs; 14188e6e287fSHans Petter Selasky context->cqe_version = resp.cqe_version; 1419b633e08cSHans Petter Selasky context->lib_caps = req.lib_caps; 1420b633e08cSHans Petter Selasky print_lib_caps(dev, context->lib_caps); 142112515907SHans Petter Selasky 1422b633e08cSHans Petter Selasky return 0; 142312515907SHans Petter Selasky 1424b633e08cSHans Petter Selasky out_mdev: 1425b633e08cSHans Petter Selasky mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); 1426b633e08cSHans Petter Selasky out_devx: 1427b633e08cSHans Petter Selasky if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) 1428b633e08cSHans Petter Selasky mlx5_ib_devx_destroy(dev, context->devx_uid); 14298e6e287fSHans Petter Selasky 143012515907SHans Petter Selasky out_uars: 1431f8f5b459SHans Petter Selasky deallocate_uars(dev, context); 1432f8f5b459SHans Petter Selasky 1433f8f5b459SHans Petter Selasky out_sys_pages: 1434f8f5b459SHans Petter Selasky kfree(bfregi->sys_pages); 1435f8f5b459SHans Petter Selasky 14368e6e287fSHans Petter Selasky out_count: 1437f8f5b459SHans Petter Selasky kfree(bfregi->count); 143812515907SHans Petter Selasky 143912515907SHans Petter Selasky out_ctx: 1440b633e08cSHans Petter Selasky return err; 144112515907SHans Petter Selasky } 144212515907SHans Petter Selasky 1443b633e08cSHans Petter Selasky static void mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) 144412515907SHans Petter Selasky { 144512515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 144612515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 1447f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi; 144812515907SHans Petter Selasky 1449f8f5b459SHans Petter Selasky bfregi = &context->bfregi; 1450b633e08cSHans Petter Selasky mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); 1451b633e08cSHans Petter Selasky 1452b633e08cSHans Petter Selasky if (context->devx_uid) 1453b633e08cSHans Petter Selasky mlx5_ib_devx_destroy(dev, context->devx_uid); 145412515907SHans Petter Selasky 1455f8f5b459SHans Petter Selasky deallocate_uars(dev, context); 1456f8f5b459SHans Petter Selasky kfree(bfregi->sys_pages); 1457f8f5b459SHans Petter Selasky kfree(bfregi->count); 145812515907SHans Petter Selasky } 145912515907SHans Petter Selasky 1460f8f5b459SHans Petter Selasky static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, 1461f8f5b459SHans Petter Selasky int uar_idx) 146212515907SHans Petter Selasky { 1463f8f5b459SHans Petter Selasky int fw_uars_per_page; 1464f8f5b459SHans Petter Selasky 1465f8f5b459SHans Petter Selasky fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1; 1466f8f5b459SHans Petter Selasky 1467f8f5b459SHans Petter Selasky return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + uar_idx / fw_uars_per_page; 146812515907SHans Petter Selasky } 146912515907SHans Petter Selasky 147012515907SHans Petter Selasky static int get_command(unsigned long offset) 147112515907SHans Petter Selasky { 147212515907SHans Petter Selasky return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; 147312515907SHans Petter Selasky } 147412515907SHans Petter Selasky 147512515907SHans Petter Selasky static int get_arg(unsigned long offset) 147612515907SHans Petter Selasky { 147712515907SHans Petter Selasky return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); 147812515907SHans Petter Selasky } 147912515907SHans Petter Selasky 148012515907SHans Petter Selasky static int get_index(unsigned long offset) 148112515907SHans Petter Selasky { 148212515907SHans Petter Selasky return get_arg(offset); 148312515907SHans Petter Selasky } 148412515907SHans Petter Selasky 1485f8f5b459SHans Petter Selasky /* Index resides in an extra byte to enable larger values than 255 */ 1486f8f5b459SHans Petter Selasky static int get_extended_index(unsigned long offset) 1487f8f5b459SHans Petter Selasky { 1488f8f5b459SHans Petter Selasky return get_arg(offset) | ((offset >> 16) & 0xff) << 8; 1489f8f5b459SHans Petter Selasky } 1490f8f5b459SHans Petter Selasky 14918e6e287fSHans Petter Selasky 1492a3a31fdeSHans Petter Selasky static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) 1493a3a31fdeSHans Petter Selasky { 1494a3a31fdeSHans Petter Selasky } 1495a3a31fdeSHans Petter Selasky 14968e6e287fSHans Petter Selasky static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) 14978e6e287fSHans Petter Selasky { 14988e6e287fSHans Petter Selasky switch (cmd) { 14998e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 15008e6e287fSHans Petter Selasky return "WC"; 15018e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 15028e6e287fSHans Petter Selasky return "best effort WC"; 15038e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 15048e6e287fSHans Petter Selasky return "NC"; 15058e6e287fSHans Petter Selasky default: 15068e6e287fSHans Petter Selasky return NULL; 15078e6e287fSHans Petter Selasky } 15088e6e287fSHans Petter Selasky } 15098e6e287fSHans Petter Selasky 1510b633e08cSHans Petter Selasky static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, 1511b633e08cSHans Petter Selasky struct vm_area_struct *vma, 1512b633e08cSHans Petter Selasky struct mlx5_ib_ucontext *context) 1513b633e08cSHans Petter Selasky { 1514b633e08cSHans Petter Selasky if ((vma->vm_end - vma->vm_start != PAGE_SIZE) || 1515b633e08cSHans Petter Selasky !(vma->vm_flags & VM_SHARED)) 1516b633e08cSHans Petter Selasky return -EINVAL; 1517b633e08cSHans Petter Selasky 1518b633e08cSHans Petter Selasky if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1) 1519b633e08cSHans Petter Selasky return -EOPNOTSUPP; 1520b633e08cSHans Petter Selasky 1521b633e08cSHans Petter Selasky if (vma->vm_flags & (VM_WRITE | VM_EXEC)) 1522b633e08cSHans Petter Selasky return -EPERM; 1523b633e08cSHans Petter Selasky 1524b633e08cSHans Petter Selasky return -EOPNOTSUPP; 1525b633e08cSHans Petter Selasky } 1526b633e08cSHans Petter Selasky 1527b633e08cSHans Petter Selasky static void mlx5_ib_mmap_free(struct rdma_user_mmap_entry *entry) 1528b633e08cSHans Petter Selasky { 1529b633e08cSHans Petter Selasky struct mlx5_user_mmap_entry *mentry = to_mmmap(entry); 1530b633e08cSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(entry->ucontext->device); 1531b633e08cSHans Petter Selasky 1532b633e08cSHans Petter Selasky switch (mentry->mmap_flag) { 1533b633e08cSHans Petter Selasky case MLX5_IB_MMAP_TYPE_UAR_WC: 1534b633e08cSHans Petter Selasky case MLX5_IB_MMAP_TYPE_UAR_NC: 1535b633e08cSHans Petter Selasky mlx5_cmd_free_uar(dev->mdev, mentry->page_idx); 1536b633e08cSHans Petter Selasky kfree(mentry); 1537b633e08cSHans Petter Selasky break; 1538b633e08cSHans Petter Selasky default: 1539b633e08cSHans Petter Selasky WARN_ON(true); 1540b633e08cSHans Petter Selasky } 1541b633e08cSHans Petter Selasky } 1542b633e08cSHans Petter Selasky 15438e6e287fSHans Petter Selasky static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, 15448e6e287fSHans Petter Selasky struct vm_area_struct *vma, 154512515907SHans Petter Selasky struct mlx5_ib_ucontext *context) 154612515907SHans Petter Selasky { 1547f8f5b459SHans Petter Selasky struct mlx5_bfreg_info *bfregi = &context->bfregi; 15488e6e287fSHans Petter Selasky int err; 154912515907SHans Petter Selasky unsigned long idx; 1550f8f5b459SHans Petter Selasky phys_addr_t pfn; 15518e6e287fSHans Petter Selasky pgprot_t prot; 1552f8f5b459SHans Petter Selasky u32 bfreg_dyn_idx = 0; 1553f8f5b459SHans Petter Selasky u32 uar_index; 1554b633e08cSHans Petter Selasky int dyn_uar = (cmd == MLX5_IB_MMAP_ALLOC_WC); 1555f8f5b459SHans Petter Selasky int max_valid_idx = dyn_uar ? bfregi->num_sys_pages : 1556f8f5b459SHans Petter Selasky bfregi->num_static_sys_pages; 1557f8f5b459SHans Petter Selasky 1558f8f5b459SHans Petter Selasky if (bfregi->lib_uar_dyn) 1559f8f5b459SHans Petter Selasky return -EINVAL; 1560f8f5b459SHans Petter Selasky 1561f8f5b459SHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 1562f8f5b459SHans Petter Selasky return -EINVAL; 1563f8f5b459SHans Petter Selasky 1564f8f5b459SHans Petter Selasky if (dyn_uar) 1565f8f5b459SHans Petter Selasky idx = get_extended_index(vma->vm_pgoff) + bfregi->num_static_sys_pages; 1566f8f5b459SHans Petter Selasky else 1567f8f5b459SHans Petter Selasky idx = get_index(vma->vm_pgoff); 1568f8f5b459SHans Petter Selasky 1569f8f5b459SHans Petter Selasky if (idx >= max_valid_idx) { 1570f8f5b459SHans Petter Selasky mlx5_ib_warn(dev, "invalid uar index %lu, max=%d\n", 1571f8f5b459SHans Petter Selasky idx, max_valid_idx); 1572f8f5b459SHans Petter Selasky return -EINVAL; 1573f8f5b459SHans Petter Selasky } 157412515907SHans Petter Selasky 15758e6e287fSHans Petter Selasky switch (cmd) { 15768e6e287fSHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 1577b633e08cSHans Petter Selasky case MLX5_IB_MMAP_ALLOC_WC: 15788e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 15798e6e287fSHans Petter Selasky /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ 15808e6e287fSHans Petter Selasky prot = pgprot_writecombine(vma->vm_page_prot); 15818e6e287fSHans Petter Selasky break; 15828e6e287fSHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 15838e6e287fSHans Petter Selasky prot = pgprot_noncached(vma->vm_page_prot); 15848e6e287fSHans Petter Selasky break; 15858e6e287fSHans Petter Selasky default: 158612515907SHans Petter Selasky return -EINVAL; 158712515907SHans Petter Selasky } 158812515907SHans Petter Selasky 1589f8f5b459SHans Petter Selasky if (dyn_uar) { 1590f8f5b459SHans Petter Selasky int uars_per_page; 15918e6e287fSHans Petter Selasky 1592f8f5b459SHans Petter Selasky uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k); 1593f8f5b459SHans Petter Selasky bfreg_dyn_idx = idx * (uars_per_page * MLX5_NON_FP_BFREGS_PER_UAR); 1594f8f5b459SHans Petter Selasky if (bfreg_dyn_idx >= bfregi->total_num_bfregs) { 1595f8f5b459SHans Petter Selasky mlx5_ib_warn(dev, "invalid bfreg_dyn_idx %u, max=%u\n", 1596f8f5b459SHans Petter Selasky bfreg_dyn_idx, bfregi->total_num_bfregs); 159712515907SHans Petter Selasky return -EINVAL; 1598f8f5b459SHans Petter Selasky } 159912515907SHans Petter Selasky 1600f8f5b459SHans Petter Selasky mutex_lock(&bfregi->lock); 1601f8f5b459SHans Petter Selasky /* Fail if uar already allocated, first bfreg index of each 1602f8f5b459SHans Petter Selasky * page holds its count. 1603f8f5b459SHans Petter Selasky */ 1604f8f5b459SHans Petter Selasky if (bfregi->count[bfreg_dyn_idx]) { 1605f8f5b459SHans Petter Selasky mlx5_ib_warn(dev, "wrong offset, idx %lu is busy, bfregn=%u\n", idx, bfreg_dyn_idx); 1606f8f5b459SHans Petter Selasky mutex_unlock(&bfregi->lock); 1607f8f5b459SHans Petter Selasky return -EINVAL; 1608f8f5b459SHans Petter Selasky } 1609f8f5b459SHans Petter Selasky 1610f8f5b459SHans Petter Selasky bfregi->count[bfreg_dyn_idx]++; 1611f8f5b459SHans Petter Selasky mutex_unlock(&bfregi->lock); 1612f8f5b459SHans Petter Selasky 1613f8f5b459SHans Petter Selasky err = mlx5_cmd_alloc_uar(dev->mdev, &uar_index); 1614f8f5b459SHans Petter Selasky if (err) { 1615f8f5b459SHans Petter Selasky mlx5_ib_warn(dev, "UAR alloc failed\n"); 1616f8f5b459SHans Petter Selasky goto free_bfreg; 1617f8f5b459SHans Petter Selasky } 1618f8f5b459SHans Petter Selasky } else { 1619f8f5b459SHans Petter Selasky uar_index = bfregi->sys_pages[idx]; 1620f8f5b459SHans Petter Selasky } 1621f8f5b459SHans Petter Selasky 1622f8f5b459SHans Petter Selasky pfn = uar_index2pfn(dev, uar_index); 16238e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); 162412515907SHans Petter Selasky 1625b633e08cSHans Petter Selasky err = rdma_user_mmap_io(&context->ibucontext, vma, pfn, PAGE_SIZE, 1626b633e08cSHans Petter Selasky prot, NULL); 16278e6e287fSHans Petter Selasky if (err) { 1628b633e08cSHans Petter Selasky mlx5_ib_err(dev, 1629b633e08cSHans Petter Selasky "rdma_user_mmap_io failed with error=%d, mmap_cmd=%s\n", 1630b633e08cSHans Petter Selasky err, mmap_cmd2str(cmd)); 1631f8f5b459SHans Petter Selasky goto err; 163212515907SHans Petter Selasky } 163312515907SHans Petter Selasky 1634f8f5b459SHans Petter Selasky if (dyn_uar) 1635f8f5b459SHans Petter Selasky bfregi->sys_pages[idx] = uar_index; 1636b633e08cSHans Petter Selasky return 0; 1637f8f5b459SHans Petter Selasky 1638f8f5b459SHans Petter Selasky err: 1639f8f5b459SHans Petter Selasky if (!dyn_uar) 1640f8f5b459SHans Petter Selasky return err; 1641f8f5b459SHans Petter Selasky 1642f8f5b459SHans Petter Selasky mlx5_cmd_free_uar(dev->mdev, idx); 1643f8f5b459SHans Petter Selasky 1644f8f5b459SHans Petter Selasky free_bfreg: 1645f8f5b459SHans Petter Selasky mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); 1646f8f5b459SHans Petter Selasky 1647f8f5b459SHans Petter Selasky return err; 164812515907SHans Petter Selasky } 164912515907SHans Petter Selasky 1650b633e08cSHans Petter Selasky static unsigned long mlx5_vma_to_pgoff(struct vm_area_struct *vma) 1651b633e08cSHans Petter Selasky { 1652b633e08cSHans Petter Selasky unsigned long idx; 1653b633e08cSHans Petter Selasky u8 command; 1654b633e08cSHans Petter Selasky 1655b633e08cSHans Petter Selasky command = get_command(vma->vm_pgoff); 1656b633e08cSHans Petter Selasky idx = get_extended_index(vma->vm_pgoff); 1657b633e08cSHans Petter Selasky 1658b633e08cSHans Petter Selasky return (command << 16 | idx); 1659b633e08cSHans Petter Selasky } 1660b633e08cSHans Petter Selasky 1661b633e08cSHans Petter Selasky static int mlx5_ib_mmap_offset(struct mlx5_ib_dev *dev, 1662b633e08cSHans Petter Selasky struct vm_area_struct *vma, 1663b633e08cSHans Petter Selasky struct ib_ucontext *ucontext) 1664b633e08cSHans Petter Selasky { 1665b633e08cSHans Petter Selasky struct mlx5_user_mmap_entry *mentry; 1666b633e08cSHans Petter Selasky struct rdma_user_mmap_entry *entry; 1667b633e08cSHans Petter Selasky unsigned long pgoff; 1668b633e08cSHans Petter Selasky pgprot_t prot; 1669b633e08cSHans Petter Selasky phys_addr_t pfn; 1670b633e08cSHans Petter Selasky int ret; 1671b633e08cSHans Petter Selasky 1672b633e08cSHans Petter Selasky pgoff = mlx5_vma_to_pgoff(vma); 1673b633e08cSHans Petter Selasky entry = rdma_user_mmap_entry_get_pgoff(ucontext, pgoff); 1674b633e08cSHans Petter Selasky if (!entry) 1675b633e08cSHans Petter Selasky return -EINVAL; 1676b633e08cSHans Petter Selasky 1677b633e08cSHans Petter Selasky mentry = to_mmmap(entry); 1678b633e08cSHans Petter Selasky pfn = (mentry->address >> PAGE_SHIFT); 1679b633e08cSHans Petter Selasky if (mentry->mmap_flag == MLX5_IB_MMAP_TYPE_VAR || 1680b633e08cSHans Petter Selasky mentry->mmap_flag == MLX5_IB_MMAP_TYPE_UAR_NC) 1681b633e08cSHans Petter Selasky prot = pgprot_noncached(vma->vm_page_prot); 1682b633e08cSHans Petter Selasky else 1683b633e08cSHans Petter Selasky prot = pgprot_writecombine(vma->vm_page_prot); 1684b633e08cSHans Petter Selasky ret = rdma_user_mmap_io(ucontext, vma, pfn, 1685b633e08cSHans Petter Selasky entry->npages * PAGE_SIZE, 1686b633e08cSHans Petter Selasky prot, 1687b633e08cSHans Petter Selasky entry); 1688b633e08cSHans Petter Selasky rdma_user_mmap_entry_put(&mentry->rdma_entry); 1689b633e08cSHans Petter Selasky return ret; 1690b633e08cSHans Petter Selasky } 1691b633e08cSHans Petter Selasky 169212515907SHans Petter Selasky static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) 169312515907SHans Petter Selasky { 169412515907SHans Petter Selasky struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); 169512515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); 169612515907SHans Petter Selasky unsigned long command; 16978e6e287fSHans Petter Selasky phys_addr_t pfn; 169812515907SHans Petter Selasky 169912515907SHans Petter Selasky command = get_command(vma->vm_pgoff); 170012515907SHans Petter Selasky switch (command) { 170112515907SHans Petter Selasky case MLX5_IB_MMAP_WC_PAGE: 1702b633e08cSHans Petter Selasky case MLX5_IB_MMAP_ALLOC_WC: 1703b633e08cSHans Petter Selasky if (!dev->wc_support) 1704b633e08cSHans Petter Selasky return -EPERM; 1705b633e08cSHans Petter Selasky /* FALLTHROUGH */ 170612515907SHans Petter Selasky case MLX5_IB_MMAP_NC_PAGE: 17078e6e287fSHans Petter Selasky case MLX5_IB_MMAP_REGULAR_PAGE: 17088e6e287fSHans Petter Selasky return uar_mmap(dev, command, vma, context); 17098e6e287fSHans Petter Selasky 17108e6e287fSHans Petter Selasky case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: 17118e6e287fSHans Petter Selasky return -ENOSYS; 17128e6e287fSHans Petter Selasky 17138e6e287fSHans Petter Selasky case MLX5_IB_MMAP_CORE_CLOCK: 17148e6e287fSHans Petter Selasky if (vma->vm_end - vma->vm_start != PAGE_SIZE) 17158e6e287fSHans Petter Selasky return -EINVAL; 17168e6e287fSHans Petter Selasky 17178e6e287fSHans Petter Selasky if (vma->vm_flags & VM_WRITE) 17188e6e287fSHans Petter Selasky return -EPERM; 17198e6e287fSHans Petter Selasky 17208e6e287fSHans Petter Selasky /* Don't expose to user-space information it shouldn't have */ 17218e6e287fSHans Petter Selasky if (PAGE_SIZE > 4096) 17228e6e287fSHans Petter Selasky return -EOPNOTSUPP; 17238e6e287fSHans Petter Selasky 17248e6e287fSHans Petter Selasky pfn = (dev->mdev->iseg_base + 17258e6e287fSHans Petter Selasky offsetof(struct mlx5_init_seg, internal_timer_h)) >> 17268e6e287fSHans Petter Selasky PAGE_SHIFT; 1727b633e08cSHans Petter Selasky return rdma_user_mmap_io(&context->ibucontext, vma, pfn, 1728b633e08cSHans Petter Selasky PAGE_SIZE, 1729b633e08cSHans Petter Selasky pgprot_noncached(vma->vm_page_prot), 1730b633e08cSHans Petter Selasky NULL); 1731b633e08cSHans Petter Selasky case MLX5_IB_MMAP_CLOCK_INFO: 1732b633e08cSHans Petter Selasky return mlx5_ib_mmap_clock_info_page(dev, vma, context); 173312515907SHans Petter Selasky 173412515907SHans Petter Selasky default: 1735b633e08cSHans Petter Selasky return mlx5_ib_mmap_offset(dev, vma, ibcontext); 173612515907SHans Petter Selasky } 173712515907SHans Petter Selasky 173812515907SHans Petter Selasky return 0; 173912515907SHans Petter Selasky } 174012515907SHans Petter Selasky 1741b633e08cSHans Petter Selasky static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) 174212515907SHans Petter Selasky { 1743b633e08cSHans Petter Selasky struct mlx5_ib_pd *pd = to_mpd(ibpd); 1744b633e08cSHans Petter Selasky struct ib_device *ibdev = ibpd->device; 174512515907SHans Petter Selasky struct mlx5_ib_alloc_pd_resp resp; 174612515907SHans Petter Selasky int err; 1747b633e08cSHans Petter Selasky struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( 1748b633e08cSHans Petter Selasky udata, struct mlx5_ib_ucontext, ibucontext); 1749b633e08cSHans Petter Selasky u16 uid = context ? context->devx_uid : 0; 175012515907SHans Petter Selasky 1751b633e08cSHans Petter Selasky err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn, uid); 1752b633e08cSHans Petter Selasky if (err) 1753b633e08cSHans Petter Selasky return (err); 175412515907SHans Petter Selasky 1755b633e08cSHans Petter Selasky pd->uid = uid; 1756b633e08cSHans Petter Selasky if (udata) { 175712515907SHans Petter Selasky resp.pdn = pd->pdn; 175812515907SHans Petter Selasky if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { 1759b633e08cSHans Petter Selasky mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid); 1760b633e08cSHans Petter Selasky return -EFAULT; 176112515907SHans Petter Selasky } 176212515907SHans Petter Selasky } 176312515907SHans Petter Selasky 1764b633e08cSHans Petter Selasky return 0; 176512515907SHans Petter Selasky } 176612515907SHans Petter Selasky 1767b633e08cSHans Petter Selasky static void mlx5_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata) 176812515907SHans Petter Selasky { 176912515907SHans Petter Selasky struct mlx5_ib_dev *mdev = to_mdev(pd->device); 177012515907SHans Petter Selasky struct mlx5_ib_pd *mpd = to_mpd(pd); 177112515907SHans Petter Selasky 1772b633e08cSHans Petter Selasky mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid); 177312515907SHans Petter Selasky } 177412515907SHans Petter Selasky 17758e6e287fSHans Petter Selasky enum { 17768e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT, 17778e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT, 17788e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT 17798e6e287fSHans Petter Selasky }; 17808e6e287fSHans Petter Selasky 17818e6e287fSHans Petter Selasky #define HEADER_IS_ZERO(match_criteria, headers) \ 17828e6e287fSHans Petter Selasky !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ 17838e6e287fSHans Petter Selasky 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ 17848e6e287fSHans Petter Selasky 17858e6e287fSHans Petter Selasky static u8 get_match_criteria_enable(u32 *match_criteria) 17868e6e287fSHans Petter Selasky { 17878e6e287fSHans Petter Selasky u8 match_criteria_enable; 17888e6e287fSHans Petter Selasky 17898e6e287fSHans Petter Selasky match_criteria_enable = 17908e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, outer_headers)) << 17918e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_OUTER_BIT; 17928e6e287fSHans Petter Selasky match_criteria_enable |= 17938e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << 17948e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_MISC_BIT; 17958e6e287fSHans Petter Selasky match_criteria_enable |= 17968e6e287fSHans Petter Selasky (!HEADER_IS_ZERO(match_criteria, inner_headers)) << 17978e6e287fSHans Petter Selasky MATCH_CRITERIA_ENABLE_INNER_BIT; 17988e6e287fSHans Petter Selasky 17998e6e287fSHans Petter Selasky return match_criteria_enable; 18008e6e287fSHans Petter Selasky } 18018e6e287fSHans Petter Selasky 18028e6e287fSHans Petter Selasky static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) 18038e6e287fSHans Petter Selasky { 18048e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); 18058e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); 18068e6e287fSHans Petter Selasky } 18078e6e287fSHans Petter Selasky 18088e6e287fSHans Petter Selasky static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) 18098e6e287fSHans Petter Selasky { 18108e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); 18118e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); 18128e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); 18138e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); 18148e6e287fSHans Petter Selasky } 18158e6e287fSHans Petter Selasky 18168e6e287fSHans Petter Selasky #define LAST_ETH_FIELD vlan_tag 18178e6e287fSHans Petter Selasky #define LAST_IB_FIELD sl 18188e6e287fSHans Petter Selasky #define LAST_IPV4_FIELD tos 18198e6e287fSHans Petter Selasky #define LAST_IPV6_FIELD traffic_class 18208e6e287fSHans Petter Selasky #define LAST_TCP_UDP_FIELD src_port 18218e6e287fSHans Petter Selasky 18228e6e287fSHans Petter Selasky /* Field is the last supported field */ 18238e6e287fSHans Petter Selasky #define FIELDS_NOT_SUPPORTED(filter, field)\ 18248e6e287fSHans Petter Selasky memchr_inv((void *)&filter.field +\ 18258e6e287fSHans Petter Selasky sizeof(filter.field), 0,\ 18268e6e287fSHans Petter Selasky sizeof(filter) -\ 18278e6e287fSHans Petter Selasky offsetof(typeof(filter), field) -\ 18288e6e287fSHans Petter Selasky sizeof(filter.field)) 18298e6e287fSHans Petter Selasky 18308e6e287fSHans Petter Selasky static int parse_flow_attr(u32 *match_c, u32 *match_v, 18318e6e287fSHans Petter Selasky const union ib_flow_spec *ib_spec) 18328e6e287fSHans Petter Selasky { 18338e6e287fSHans Petter Selasky void *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_c, 18348e6e287fSHans Petter Selasky outer_headers); 18358e6e287fSHans Petter Selasky void *outer_headers_v = MLX5_ADDR_OF(fte_match_param, match_v, 18368e6e287fSHans Petter Selasky outer_headers); 18378e6e287fSHans Petter Selasky void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, 18388e6e287fSHans Petter Selasky misc_parameters); 18398e6e287fSHans Petter Selasky void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, 18408e6e287fSHans Petter Selasky misc_parameters); 18418e6e287fSHans Petter Selasky 18428e6e287fSHans Petter Selasky switch (ib_spec->type) { 18438e6e287fSHans Petter Selasky case IB_FLOW_SPEC_ETH: 18448e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) 18458e6e287fSHans Petter Selasky return -ENOTSUPP; 18468e6e287fSHans Petter Selasky 18478e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 18488e6e287fSHans Petter Selasky dmac_47_16), 18498e6e287fSHans Petter Selasky ib_spec->eth.mask.dst_mac); 18508e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 18518e6e287fSHans Petter Selasky dmac_47_16), 18528e6e287fSHans Petter Selasky ib_spec->eth.val.dst_mac); 18538e6e287fSHans Petter Selasky 18548e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 18558e6e287fSHans Petter Selasky smac_47_16), 18568e6e287fSHans Petter Selasky ib_spec->eth.mask.src_mac); 18578e6e287fSHans Petter Selasky ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 18588e6e287fSHans Petter Selasky smac_47_16), 18598e6e287fSHans Petter Selasky ib_spec->eth.val.src_mac); 18608e6e287fSHans Petter Selasky 18618e6e287fSHans Petter Selasky if (ib_spec->eth.mask.vlan_tag) { 18628e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18638e6e287fSHans Petter Selasky cvlan_tag, 1); 18648e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18658e6e287fSHans Petter Selasky cvlan_tag, 1); 18668e6e287fSHans Petter Selasky 18678e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18688e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); 18698e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18708e6e287fSHans Petter Selasky first_vid, ntohs(ib_spec->eth.val.vlan_tag)); 18718e6e287fSHans Petter Selasky 18728e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18738e6e287fSHans Petter Selasky first_cfi, 18748e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 12); 18758e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18768e6e287fSHans Petter Selasky first_cfi, 18778e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 12); 18788e6e287fSHans Petter Selasky 18798e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18808e6e287fSHans Petter Selasky first_prio, 18818e6e287fSHans Petter Selasky ntohs(ib_spec->eth.mask.vlan_tag) >> 13); 18828e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18838e6e287fSHans Petter Selasky first_prio, 18848e6e287fSHans Petter Selasky ntohs(ib_spec->eth.val.vlan_tag) >> 13); 18858e6e287fSHans Petter Selasky } 18868e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18878e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.mask.ether_type)); 18888e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18898e6e287fSHans Petter Selasky ethertype, ntohs(ib_spec->eth.val.ether_type)); 18908e6e287fSHans Petter Selasky break; 18918e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV4: 18928e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) 18938e6e287fSHans Petter Selasky return -ENOTSUPP; 18948e6e287fSHans Petter Selasky 18958e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 18968e6e287fSHans Petter Selasky ethertype, 0xffff); 18978e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 18988e6e287fSHans Petter Selasky ethertype, ETH_P_IP); 18998e6e287fSHans Petter Selasky 19008e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 19018e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 19028e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.src_ip, 19038e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.src_ip)); 19048e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 19058e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv4_layout.ipv4), 19068e6e287fSHans Petter Selasky &ib_spec->ipv4.val.src_ip, 19078e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.src_ip)); 19088e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 19098e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19108e6e287fSHans Petter Selasky &ib_spec->ipv4.mask.dst_ip, 19118e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.mask.dst_ip)); 19128e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 19138e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19148e6e287fSHans Petter Selasky &ib_spec->ipv4.val.dst_ip, 19158e6e287fSHans Petter Selasky sizeof(ib_spec->ipv4.val.dst_ip)); 19168e6e287fSHans Petter Selasky 19178e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 19188e6e287fSHans Petter Selasky ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); 19198e6e287fSHans Petter Selasky 19208e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 19218e6e287fSHans Petter Selasky ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); 19228e6e287fSHans Petter Selasky break; 19238e6e287fSHans Petter Selasky case IB_FLOW_SPEC_IPV6: 19248e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) 19258e6e287fSHans Petter Selasky return -ENOTSUPP; 19268e6e287fSHans Petter Selasky 19278e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, 19288e6e287fSHans Petter Selasky ethertype, 0xffff); 19298e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, 19308e6e287fSHans Petter Selasky ethertype, IPPROTO_IPV6); 19318e6e287fSHans Petter Selasky 19328e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 19338e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 19348e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.src_ip, 19358e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.src_ip)); 19368e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 19378e6e287fSHans Petter Selasky src_ipv4_src_ipv6.ipv6_layout.ipv6), 19388e6e287fSHans Petter Selasky &ib_spec->ipv6.val.src_ip, 19398e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.src_ip)); 19408e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, 19418e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 19428e6e287fSHans Petter Selasky &ib_spec->ipv6.mask.dst_ip, 19438e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.mask.dst_ip)); 19448e6e287fSHans Petter Selasky memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, 19458e6e287fSHans Petter Selasky dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 19468e6e287fSHans Petter Selasky &ib_spec->ipv6.val.dst_ip, 19478e6e287fSHans Petter Selasky sizeof(ib_spec->ipv6.val.dst_ip)); 19488e6e287fSHans Petter Selasky 19498e6e287fSHans Petter Selasky set_tos(outer_headers_c, outer_headers_v, 19508e6e287fSHans Petter Selasky ib_spec->ipv6.mask.traffic_class, 19518e6e287fSHans Petter Selasky ib_spec->ipv6.val.traffic_class); 19528e6e287fSHans Petter Selasky 19538e6e287fSHans Petter Selasky set_proto(outer_headers_c, outer_headers_v, 19548e6e287fSHans Petter Selasky ib_spec->ipv6.mask.next_hdr, 19558e6e287fSHans Petter Selasky ib_spec->ipv6.val.next_hdr); 19568e6e287fSHans Petter Selasky 19578e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_c, 19588e6e287fSHans Petter Selasky outer_ipv6_flow_label, 19598e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.mask.flow_label)); 19608e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_misc, misc_params_v, 19618e6e287fSHans Petter Selasky outer_ipv6_flow_label, 19628e6e287fSHans Petter Selasky ntohl(ib_spec->ipv6.val.flow_label)); 19638e6e287fSHans Petter Selasky break; 19648e6e287fSHans Petter Selasky case IB_FLOW_SPEC_TCP: 19658e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 19668e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 19678e6e287fSHans Petter Selasky return -ENOTSUPP; 19688e6e287fSHans Petter Selasky 19698e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 19708e6e287fSHans Petter Selasky 0xff); 19718e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 19728e6e287fSHans Petter Selasky IPPROTO_TCP); 19738e6e287fSHans Petter Selasky 19748e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_sport, 19758e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 19768e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_sport, 19778e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 19788e6e287fSHans Petter Selasky 19798e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_dport, 19808e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 19818e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_dport, 19828e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 19838e6e287fSHans Petter Selasky break; 19848e6e287fSHans Petter Selasky case IB_FLOW_SPEC_UDP: 19858e6e287fSHans Petter Selasky if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, 19868e6e287fSHans Petter Selasky LAST_TCP_UDP_FIELD)) 19878e6e287fSHans Petter Selasky return -ENOTSUPP; 19888e6e287fSHans Petter Selasky 19898e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, 19908e6e287fSHans Petter Selasky 0xff); 19918e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, 19928e6e287fSHans Petter Selasky IPPROTO_UDP); 19938e6e287fSHans Petter Selasky 19948e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_sport, 19958e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.src_port)); 19968e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_sport, 19978e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.src_port)); 19988e6e287fSHans Petter Selasky 19998e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_dport, 20008e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.mask.dst_port)); 20018e6e287fSHans Petter Selasky MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport, 20028e6e287fSHans Petter Selasky ntohs(ib_spec->tcp_udp.val.dst_port)); 20038e6e287fSHans Petter Selasky break; 20048e6e287fSHans Petter Selasky default: 20058e6e287fSHans Petter Selasky return -EINVAL; 20068e6e287fSHans Petter Selasky } 20078e6e287fSHans Petter Selasky 20088e6e287fSHans Petter Selasky return 0; 20098e6e287fSHans Petter Selasky } 20108e6e287fSHans Petter Selasky 20118e6e287fSHans Petter Selasky /* If a flow could catch both multicast and unicast packets, 20128e6e287fSHans Petter Selasky * it won't fall into the multicast flow steering table and this rule 20138e6e287fSHans Petter Selasky * could steal other multicast packets. 20148e6e287fSHans Petter Selasky */ 20158e6e287fSHans Petter Selasky static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr) 20168e6e287fSHans Petter Selasky { 20178e6e287fSHans Petter Selasky struct ib_flow_spec_eth *eth_spec; 20188e6e287fSHans Petter Selasky 20198e6e287fSHans Petter Selasky if (ib_attr->type != IB_FLOW_ATTR_NORMAL || 20208e6e287fSHans Petter Selasky ib_attr->size < sizeof(struct ib_flow_attr) + 20218e6e287fSHans Petter Selasky sizeof(struct ib_flow_spec_eth) || 20228e6e287fSHans Petter Selasky ib_attr->num_of_specs < 1) 20238e6e287fSHans Petter Selasky return false; 20248e6e287fSHans Petter Selasky 20258e6e287fSHans Petter Selasky eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1); 20268e6e287fSHans Petter Selasky if (eth_spec->type != IB_FLOW_SPEC_ETH || 20278e6e287fSHans Petter Selasky eth_spec->size != sizeof(*eth_spec)) 20288e6e287fSHans Petter Selasky return false; 20298e6e287fSHans Petter Selasky 20308e6e287fSHans Petter Selasky return is_multicast_ether_addr(eth_spec->mask.dst_mac) && 20318e6e287fSHans Petter Selasky is_multicast_ether_addr(eth_spec->val.dst_mac); 20328e6e287fSHans Petter Selasky } 20338e6e287fSHans Petter Selasky 20348e6e287fSHans Petter Selasky static bool is_valid_attr(const struct ib_flow_attr *flow_attr) 20358e6e287fSHans Petter Selasky { 20368e6e287fSHans Petter Selasky union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); 20378e6e287fSHans Petter Selasky bool has_ipv4_spec = false; 20388e6e287fSHans Petter Selasky bool eth_type_ipv4 = true; 20398e6e287fSHans Petter Selasky unsigned int spec_index; 20408e6e287fSHans Petter Selasky 20418e6e287fSHans Petter Selasky /* Validate that ethertype is correct */ 20428e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 20438e6e287fSHans Petter Selasky if (ib_spec->type == IB_FLOW_SPEC_ETH && 20448e6e287fSHans Petter Selasky ib_spec->eth.mask.ether_type) { 20458e6e287fSHans Petter Selasky if (!((ib_spec->eth.mask.ether_type == htons(0xffff)) && 20468e6e287fSHans Petter Selasky ib_spec->eth.val.ether_type == htons(ETH_P_IP))) 20478e6e287fSHans Petter Selasky eth_type_ipv4 = false; 20488e6e287fSHans Petter Selasky } else if (ib_spec->type == IB_FLOW_SPEC_IPV4) { 20498e6e287fSHans Petter Selasky has_ipv4_spec = true; 20508e6e287fSHans Petter Selasky } 20518e6e287fSHans Petter Selasky ib_spec = (void *)ib_spec + ib_spec->size; 20528e6e287fSHans Petter Selasky } 20538e6e287fSHans Petter Selasky return !has_ipv4_spec || eth_type_ipv4; 20548e6e287fSHans Petter Selasky } 20558e6e287fSHans Petter Selasky 20568e6e287fSHans Petter Selasky static void put_flow_table(struct mlx5_ib_dev *dev, 20578e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio, bool ft_added) 20588e6e287fSHans Petter Selasky { 20598e6e287fSHans Petter Selasky prio->refcount -= !!ft_added; 20608e6e287fSHans Petter Selasky if (!prio->refcount) { 20618e6e287fSHans Petter Selasky mlx5_destroy_flow_table(prio->flow_table); 20628e6e287fSHans Petter Selasky prio->flow_table = NULL; 20638e6e287fSHans Petter Selasky } 20648e6e287fSHans Petter Selasky } 20658e6e287fSHans Petter Selasky 20668e6e287fSHans Petter Selasky static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) 20678e6e287fSHans Petter Selasky { 20688e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); 20698e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = container_of(flow_id, 20708e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler, 20718e6e287fSHans Petter Selasky ibflow); 20728e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *iter, *tmp; 20738e6e287fSHans Petter Selasky 20748e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 20758e6e287fSHans Petter Selasky 20768e6e287fSHans Petter Selasky list_for_each_entry_safe(iter, tmp, &handler->list, list) { 2077b0b87d91SHans Petter Selasky mlx5_del_flow_rule(&iter->rule); 20788e6e287fSHans Petter Selasky put_flow_table(dev, iter->prio, true); 20798e6e287fSHans Petter Selasky list_del(&iter->list); 20808e6e287fSHans Petter Selasky kfree(iter); 20818e6e287fSHans Petter Selasky } 20828e6e287fSHans Petter Selasky 2083b0b87d91SHans Petter Selasky mlx5_del_flow_rule(&handler->rule); 20848e6e287fSHans Petter Selasky put_flow_table(dev, handler->prio, true); 20858e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 20868e6e287fSHans Petter Selasky 20878e6e287fSHans Petter Selasky kfree(handler); 20888e6e287fSHans Petter Selasky 20898e6e287fSHans Petter Selasky return 0; 20908e6e287fSHans Petter Selasky } 20918e6e287fSHans Petter Selasky 20928e6e287fSHans Petter Selasky static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) 20938e6e287fSHans Petter Selasky { 20948e6e287fSHans Petter Selasky priority *= 2; 20958e6e287fSHans Petter Selasky if (!dont_trap) 20968e6e287fSHans Petter Selasky priority++; 20978e6e287fSHans Petter Selasky return priority; 20988e6e287fSHans Petter Selasky } 20998e6e287fSHans Petter Selasky 21008e6e287fSHans Petter Selasky enum flow_table_type { 21018e6e287fSHans Petter Selasky MLX5_IB_FT_RX, 21028e6e287fSHans Petter Selasky MLX5_IB_FT_TX 21038e6e287fSHans Petter Selasky }; 21048e6e287fSHans Petter Selasky 21058e6e287fSHans Petter Selasky #define MLX5_FS_MAX_TYPES 10 21068e6e287fSHans Petter Selasky #define MLX5_FS_MAX_ENTRIES 32000UL 21078e6e287fSHans Petter Selasky static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, 21088e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 21098e6e287fSHans Petter Selasky enum flow_table_type ft_type) 21108e6e287fSHans Petter Selasky { 21118e6e287fSHans Petter Selasky bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; 21128e6e287fSHans Petter Selasky struct mlx5_flow_namespace *ns = NULL; 21138e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *prio; 21148e6e287fSHans Petter Selasky struct mlx5_flow_table *ft; 21158e6e287fSHans Petter Selasky int num_entries; 21168e6e287fSHans Petter Selasky int num_groups; 21178e6e287fSHans Petter Selasky int priority; 21188e6e287fSHans Petter Selasky int err = 0; 21198e6e287fSHans Petter Selasky 21208e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { 21218e6e287fSHans Petter Selasky if (flow_is_multicast_only(flow_attr) && 21228e6e287fSHans Petter Selasky !dont_trap) 21238e6e287fSHans Petter Selasky priority = MLX5_IB_FLOW_MCAST_PRIO; 21248e6e287fSHans Petter Selasky else 21258e6e287fSHans Petter Selasky priority = ib_prio_to_core_prio(flow_attr->priority, 21268e6e287fSHans Petter Selasky dont_trap); 21278e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 21288e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_BYPASS); 21298e6e287fSHans Petter Selasky num_entries = MLX5_FS_MAX_ENTRIES; 21308e6e287fSHans Petter Selasky num_groups = MLX5_FS_MAX_TYPES; 21318e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[priority]; 21328e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || 21338e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { 21348e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, 21358e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_LEFTOVERS); 21368e6e287fSHans Petter Selasky build_leftovers_ft_param("bypass", &priority, 21378e6e287fSHans Petter Selasky &num_entries, 21388e6e287fSHans Petter Selasky &num_groups); 21398e6e287fSHans Petter Selasky prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; 21408e6e287fSHans Petter Selasky } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 21418e6e287fSHans Petter Selasky if (!MLX5_CAP_FLOWTABLE(dev->mdev, 21428e6e287fSHans Petter Selasky allow_sniffer_and_nic_rx_shared_tir)) 21438e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 21448e6e287fSHans Petter Selasky 21458e6e287fSHans Petter Selasky ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? 21468e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_RX : 21478e6e287fSHans Petter Selasky MLX5_FLOW_NAMESPACE_SNIFFER_TX); 21488e6e287fSHans Petter Selasky 21498e6e287fSHans Petter Selasky prio = &dev->flow_db.sniffer[ft_type]; 21508e6e287fSHans Petter Selasky priority = 0; 21518e6e287fSHans Petter Selasky num_entries = 1; 21528e6e287fSHans Petter Selasky num_groups = 1; 21538e6e287fSHans Petter Selasky } 21548e6e287fSHans Petter Selasky 21558e6e287fSHans Petter Selasky if (!ns) 21568e6e287fSHans Petter Selasky return ERR_PTR(-ENOTSUPP); 21578e6e287fSHans Petter Selasky 21588e6e287fSHans Petter Selasky ft = prio->flow_table; 21598e6e287fSHans Petter Selasky if (!ft) { 21608e6e287fSHans Petter Selasky ft = mlx5_create_auto_grouped_flow_table(ns, priority, "bypass", 21618e6e287fSHans Petter Selasky num_entries, 21628e6e287fSHans Petter Selasky num_groups); 21638e6e287fSHans Petter Selasky 21648e6e287fSHans Petter Selasky if (!IS_ERR(ft)) { 21658e6e287fSHans Petter Selasky prio->refcount = 0; 21668e6e287fSHans Petter Selasky prio->flow_table = ft; 21678e6e287fSHans Petter Selasky } else { 21688e6e287fSHans Petter Selasky err = PTR_ERR(ft); 21698e6e287fSHans Petter Selasky } 21708e6e287fSHans Petter Selasky } 21718e6e287fSHans Petter Selasky 21728e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : prio; 21738e6e287fSHans Petter Selasky } 21748e6e287fSHans Petter Selasky 21758e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, 21768e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 21778e6e287fSHans Petter Selasky const struct ib_flow_attr *flow_attr, 21788e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 21798e6e287fSHans Petter Selasky { 21808e6e287fSHans Petter Selasky struct mlx5_flow_table *ft = ft_prio->flow_table; 21818e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler; 21828e6e287fSHans Petter Selasky struct mlx5_flow_spec *spec; 21838e6e287fSHans Petter Selasky const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); 21848e6e287fSHans Petter Selasky unsigned int spec_index; 21858e6e287fSHans Petter Selasky u32 action; 21868e6e287fSHans Petter Selasky int err = 0; 21878e6e287fSHans Petter Selasky 21888e6e287fSHans Petter Selasky if (!is_valid_attr(flow_attr)) 21898e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 21908e6e287fSHans Petter Selasky 21918e6e287fSHans Petter Selasky spec = mlx5_vzalloc(sizeof(*spec)); 21928e6e287fSHans Petter Selasky handler = kzalloc(sizeof(*handler), GFP_KERNEL); 21938e6e287fSHans Petter Selasky if (!handler || !spec) { 21948e6e287fSHans Petter Selasky err = -ENOMEM; 21958e6e287fSHans Petter Selasky goto free; 21968e6e287fSHans Petter Selasky } 21978e6e287fSHans Petter Selasky 21988e6e287fSHans Petter Selasky INIT_LIST_HEAD(&handler->list); 21998e6e287fSHans Petter Selasky 22008e6e287fSHans Petter Selasky for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { 22018e6e287fSHans Petter Selasky err = parse_flow_attr(spec->match_criteria, 22028e6e287fSHans Petter Selasky spec->match_value, ib_flow); 22038e6e287fSHans Petter Selasky if (err < 0) 22048e6e287fSHans Petter Selasky goto free; 22058e6e287fSHans Petter Selasky 22068e6e287fSHans Petter Selasky ib_flow += ((union ib_flow_spec *)ib_flow)->size; 22078e6e287fSHans Petter Selasky } 22088e6e287fSHans Petter Selasky 22098e6e287fSHans Petter Selasky spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); 22108e6e287fSHans Petter Selasky action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : 22118e6e287fSHans Petter Selasky MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; 22128e6e287fSHans Petter Selasky handler->rule = mlx5_add_flow_rule(ft, spec->match_criteria_enable, 22138e6e287fSHans Petter Selasky spec->match_criteria, 22148e6e287fSHans Petter Selasky spec->match_value, 22158e6e287fSHans Petter Selasky action, 22168e6e287fSHans Petter Selasky MLX5_FS_DEFAULT_FLOW_TAG, 22178e6e287fSHans Petter Selasky dst); 22188e6e287fSHans Petter Selasky 22198e6e287fSHans Petter Selasky if (IS_ERR(handler->rule)) { 22208e6e287fSHans Petter Selasky err = PTR_ERR(handler->rule); 22218e6e287fSHans Petter Selasky goto free; 22228e6e287fSHans Petter Selasky } 22238e6e287fSHans Petter Selasky 22248e6e287fSHans Petter Selasky ft_prio->refcount++; 22258e6e287fSHans Petter Selasky handler->prio = ft_prio; 22268e6e287fSHans Petter Selasky 22278e6e287fSHans Petter Selasky ft_prio->flow_table = ft; 22288e6e287fSHans Petter Selasky free: 22298e6e287fSHans Petter Selasky if (err) 22308e6e287fSHans Petter Selasky kfree(handler); 22318e6e287fSHans Petter Selasky kvfree(spec); 22328e6e287fSHans Petter Selasky return err ? ERR_PTR(err) : handler; 22338e6e287fSHans Petter Selasky } 22348e6e287fSHans Petter Selasky 22358e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, 22368e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 22378e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 22388e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 22398e6e287fSHans Petter Selasky { 22408e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_dst = NULL; 22418e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 22428e6e287fSHans Petter Selasky 22438e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); 22448e6e287fSHans Petter Selasky if (!IS_ERR(handler)) { 22458e6e287fSHans Petter Selasky handler_dst = create_flow_rule(dev, ft_prio, 22468e6e287fSHans Petter Selasky flow_attr, dst); 22478e6e287fSHans Petter Selasky if (IS_ERR(handler_dst)) { 2248b0b87d91SHans Petter Selasky mlx5_del_flow_rule(&handler->rule); 22498e6e287fSHans Petter Selasky ft_prio->refcount--; 22508e6e287fSHans Petter Selasky kfree(handler); 22518e6e287fSHans Petter Selasky handler = handler_dst; 22528e6e287fSHans Petter Selasky } else { 22538e6e287fSHans Petter Selasky list_add(&handler_dst->list, &handler->list); 22548e6e287fSHans Petter Selasky } 22558e6e287fSHans Petter Selasky } 22568e6e287fSHans Petter Selasky 22578e6e287fSHans Petter Selasky return handler; 22588e6e287fSHans Petter Selasky } 22598e6e287fSHans Petter Selasky enum { 22608e6e287fSHans Petter Selasky LEFTOVERS_MC, 22618e6e287fSHans Petter Selasky LEFTOVERS_UC, 22628e6e287fSHans Petter Selasky }; 22638e6e287fSHans Petter Selasky 22648e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, 22658e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio, 22668e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 22678e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 22688e6e287fSHans Petter Selasky { 22698e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_ucast = NULL; 22708e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 22718e6e287fSHans Petter Selasky 22728e6e287fSHans Petter Selasky static struct { 22738e6e287fSHans Petter Selasky struct ib_flow_attr flow_attr; 22748e6e287fSHans Petter Selasky struct ib_flow_spec_eth eth_flow; 22758e6e287fSHans Petter Selasky } leftovers_specs[] = { 22768e6e287fSHans Petter Selasky [LEFTOVERS_MC] = { 22778e6e287fSHans Petter Selasky .flow_attr = { 22788e6e287fSHans Petter Selasky .num_of_specs = 1, 22798e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 22808e6e287fSHans Petter Selasky }, 22818e6e287fSHans Petter Selasky .eth_flow = { 22828e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 22838e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 22848e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 22858e6e287fSHans Petter Selasky .val = {.dst_mac = {0x1} } 22868e6e287fSHans Petter Selasky } 22878e6e287fSHans Petter Selasky }, 22888e6e287fSHans Petter Selasky [LEFTOVERS_UC] = { 22898e6e287fSHans Petter Selasky .flow_attr = { 22908e6e287fSHans Petter Selasky .num_of_specs = 1, 22918e6e287fSHans Petter Selasky .size = sizeof(leftovers_specs[0]) 22928e6e287fSHans Petter Selasky }, 22938e6e287fSHans Petter Selasky .eth_flow = { 22948e6e287fSHans Petter Selasky .type = IB_FLOW_SPEC_ETH, 22958e6e287fSHans Petter Selasky .size = sizeof(struct ib_flow_spec_eth), 22968e6e287fSHans Petter Selasky .mask = {.dst_mac = {0x1} }, 22978e6e287fSHans Petter Selasky .val = {.dst_mac = {} } 22988e6e287fSHans Petter Selasky } 22998e6e287fSHans Petter Selasky } 23008e6e287fSHans Petter Selasky }; 23018e6e287fSHans Petter Selasky 23028e6e287fSHans Petter Selasky handler = create_flow_rule(dev, ft_prio, 23038e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_MC].flow_attr, 23048e6e287fSHans Petter Selasky dst); 23058e6e287fSHans Petter Selasky if (!IS_ERR(handler) && 23068e6e287fSHans Petter Selasky flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { 23078e6e287fSHans Petter Selasky handler_ucast = create_flow_rule(dev, ft_prio, 23088e6e287fSHans Petter Selasky &leftovers_specs[LEFTOVERS_UC].flow_attr, 23098e6e287fSHans Petter Selasky dst); 23108e6e287fSHans Petter Selasky if (IS_ERR(handler_ucast)) { 2311b0b87d91SHans Petter Selasky mlx5_del_flow_rule(&handler->rule); 23128e6e287fSHans Petter Selasky ft_prio->refcount--; 23138e6e287fSHans Petter Selasky kfree(handler); 23148e6e287fSHans Petter Selasky handler = handler_ucast; 23158e6e287fSHans Petter Selasky } else { 23168e6e287fSHans Petter Selasky list_add(&handler_ucast->list, &handler->list); 23178e6e287fSHans Petter Selasky } 23188e6e287fSHans Petter Selasky } 23198e6e287fSHans Petter Selasky 23208e6e287fSHans Petter Selasky return handler; 23218e6e287fSHans Petter Selasky } 23228e6e287fSHans Petter Selasky 23238e6e287fSHans Petter Selasky static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, 23248e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_rx, 23258e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_tx, 23268e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst) 23278e6e287fSHans Petter Selasky { 23288e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_rx; 23298e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler_tx; 23308e6e287fSHans Petter Selasky int err; 23318e6e287fSHans Petter Selasky static const struct ib_flow_attr flow_attr = { 23328e6e287fSHans Petter Selasky .num_of_specs = 0, 2333a30f7170SHans Petter Selasky .type = IB_FLOW_ATTR_SNIFFER, 23348e6e287fSHans Petter Selasky .size = sizeof(flow_attr) 23358e6e287fSHans Petter Selasky }; 23368e6e287fSHans Petter Selasky 23378e6e287fSHans Petter Selasky handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); 23388e6e287fSHans Petter Selasky if (IS_ERR(handler_rx)) { 23398e6e287fSHans Petter Selasky err = PTR_ERR(handler_rx); 23408e6e287fSHans Petter Selasky goto err; 23418e6e287fSHans Petter Selasky } 23428e6e287fSHans Petter Selasky 23438e6e287fSHans Petter Selasky handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); 23448e6e287fSHans Petter Selasky if (IS_ERR(handler_tx)) { 23458e6e287fSHans Petter Selasky err = PTR_ERR(handler_tx); 23468e6e287fSHans Petter Selasky goto err_tx; 23478e6e287fSHans Petter Selasky } 23488e6e287fSHans Petter Selasky 23498e6e287fSHans Petter Selasky list_add(&handler_tx->list, &handler_rx->list); 23508e6e287fSHans Petter Selasky 23518e6e287fSHans Petter Selasky return handler_rx; 23528e6e287fSHans Petter Selasky 23538e6e287fSHans Petter Selasky err_tx: 2354b0b87d91SHans Petter Selasky mlx5_del_flow_rule(&handler_rx->rule); 23558e6e287fSHans Petter Selasky ft_rx->refcount--; 23568e6e287fSHans Petter Selasky kfree(handler_rx); 23578e6e287fSHans Petter Selasky err: 23588e6e287fSHans Petter Selasky return ERR_PTR(err); 23598e6e287fSHans Petter Selasky } 23608e6e287fSHans Petter Selasky 23618e6e287fSHans Petter Selasky static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, 23628e6e287fSHans Petter Selasky struct ib_flow_attr *flow_attr, 2363b633e08cSHans Petter Selasky int domain, 2364b633e08cSHans Petter Selasky struct ib_udata *udata) 23658e6e287fSHans Petter Selasky { 23668e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(qp->device); 23678e6e287fSHans Petter Selasky struct mlx5_ib_qp *mqp = to_mqp(qp); 23688e6e287fSHans Petter Selasky struct mlx5_ib_flow_handler *handler = NULL; 23698e6e287fSHans Petter Selasky struct mlx5_flow_destination *dst = NULL; 23708e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio_tx = NULL; 23718e6e287fSHans Petter Selasky struct mlx5_ib_flow_prio *ft_prio; 2372a30f7170SHans Petter Selasky struct mlx5_ib_create_flow *ucmd = NULL, ucmd_hdr; 2373a30f7170SHans Petter Selasky size_t min_ucmd_sz, required_ucmd_sz; 23748e6e287fSHans Petter Selasky int err; 23758e6e287fSHans Petter Selasky 2376a30f7170SHans Petter Selasky if (udata && udata->inlen) { 2377a30f7170SHans Petter Selasky min_ucmd_sz = offsetofend(struct mlx5_ib_create_flow, reserved); 2378a30f7170SHans Petter Selasky if (udata->inlen < min_ucmd_sz) 2379a30f7170SHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 23808e6e287fSHans Petter Selasky 2381a30f7170SHans Petter Selasky err = ib_copy_from_udata(&ucmd_hdr, udata, min_ucmd_sz); 2382a30f7170SHans Petter Selasky if (err) 2383a30f7170SHans Petter Selasky return ERR_PTR(err); 2384a30f7170SHans Petter Selasky 2385a30f7170SHans Petter Selasky /* currently supports only one counters data */ 2386a30f7170SHans Petter Selasky if (ucmd_hdr.ncounters_data > 1) 23878e6e287fSHans Petter Selasky return ERR_PTR(-EINVAL); 23888e6e287fSHans Petter Selasky 2389a30f7170SHans Petter Selasky required_ucmd_sz = min_ucmd_sz + 2390a30f7170SHans Petter Selasky sizeof(struct mlx5_ib_flow_counters_data) * 2391a30f7170SHans Petter Selasky ucmd_hdr.ncounters_data; 2392a30f7170SHans Petter Selasky if (udata->inlen > required_ucmd_sz && 2393a30f7170SHans Petter Selasky !ib_is_udata_cleared(udata, required_ucmd_sz, 2394a30f7170SHans Petter Selasky udata->inlen - required_ucmd_sz)) 2395a30f7170SHans Petter Selasky return ERR_PTR(-EOPNOTSUPP); 2396a30f7170SHans Petter Selasky 2397a30f7170SHans Petter Selasky ucmd = kzalloc(required_ucmd_sz, GFP_KERNEL); 2398a30f7170SHans Petter Selasky if (!ucmd) 23998e6e287fSHans Petter Selasky return ERR_PTR(-ENOMEM); 24008e6e287fSHans Petter Selasky 2401a30f7170SHans Petter Selasky err = ib_copy_from_udata(ucmd, udata, required_ucmd_sz); 2402a30f7170SHans Petter Selasky if (err) 2403a30f7170SHans Petter Selasky goto free_ucmd; 2404a30f7170SHans Petter Selasky } 2405a30f7170SHans Petter Selasky 2406a30f7170SHans Petter Selasky if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) { 2407a30f7170SHans Petter Selasky err = -ENOMEM; 2408a30f7170SHans Petter Selasky goto free_ucmd; 2409a30f7170SHans Petter Selasky } 2410a30f7170SHans Petter Selasky 2411a30f7170SHans Petter Selasky if (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP) { 2412a30f7170SHans Petter Selasky err = -EINVAL; 2413a30f7170SHans Petter Selasky goto free_ucmd; 2414a30f7170SHans Petter Selasky } 2415a30f7170SHans Petter Selasky 2416a30f7170SHans Petter Selasky dst = kzalloc(sizeof(*dst), GFP_KERNEL); 2417a30f7170SHans Petter Selasky if (!dst) { 2418a30f7170SHans Petter Selasky err = -ENOMEM; 2419a30f7170SHans Petter Selasky goto free_ucmd; 2420a30f7170SHans Petter Selasky } 2421a30f7170SHans Petter Selasky 24228e6e287fSHans Petter Selasky mutex_lock(&dev->flow_db.lock); 24238e6e287fSHans Petter Selasky 24248e6e287fSHans Petter Selasky ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); 24258e6e287fSHans Petter Selasky if (IS_ERR(ft_prio)) { 24268e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio); 24278e6e287fSHans Petter Selasky goto unlock; 24288e6e287fSHans Petter Selasky } 24298e6e287fSHans Petter Selasky if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { 24308e6e287fSHans Petter Selasky ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); 24318e6e287fSHans Petter Selasky if (IS_ERR(ft_prio_tx)) { 24328e6e287fSHans Petter Selasky err = PTR_ERR(ft_prio_tx); 24338e6e287fSHans Petter Selasky ft_prio_tx = NULL; 24348e6e287fSHans Petter Selasky goto destroy_ft; 24358e6e287fSHans Petter Selasky } 24368e6e287fSHans Petter Selasky } 24378e6e287fSHans Petter Selasky 24388e6e287fSHans Petter Selasky dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; 24398e6e287fSHans Petter Selasky if (mqp->flags & MLX5_IB_QP_RSS) 24408e6e287fSHans Petter Selasky dst->tir_num = mqp->rss_qp.tirn; 24418e6e287fSHans Petter Selasky else 24428e6e287fSHans Petter Selasky dst->tir_num = mqp->raw_packet_qp.rq.tirn; 24438e6e287fSHans Petter Selasky 2444a30f7170SHans Petter Selasky switch (flow_attr->type) { 2445a30f7170SHans Petter Selasky case IB_FLOW_ATTR_NORMAL: 2446a30f7170SHans Petter Selasky if (mqp->flags & IB_QP_CREATE_SOURCE_QPN) { 2447a30f7170SHans Petter Selasky err = -EOPNOTSUPP; 2448a30f7170SHans Petter Selasky goto destroy_ft; 24498e6e287fSHans Petter Selasky } 2450a30f7170SHans Petter Selasky if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { 2451a30f7170SHans Petter Selasky handler = create_dont_trap_rule(dev, ft_prio, flow_attr, dst); 24528e6e287fSHans Petter Selasky } else { 2453a30f7170SHans Petter Selasky handler = create_flow_rule(dev, ft_prio, flow_attr, dst); 2454a30f7170SHans Petter Selasky } 2455a30f7170SHans Petter Selasky break; 2456a30f7170SHans Petter Selasky case IB_FLOW_ATTR_ALL_DEFAULT: 2457a30f7170SHans Petter Selasky case IB_FLOW_ATTR_MC_DEFAULT: 2458a30f7170SHans Petter Selasky handler = create_leftovers_rule(dev, ft_prio, flow_attr, dst); 2459a30f7170SHans Petter Selasky break; 2460a30f7170SHans Petter Selasky case IB_FLOW_ATTR_SNIFFER: 2461a30f7170SHans Petter Selasky handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); 2462a30f7170SHans Petter Selasky break; 2463a30f7170SHans Petter Selasky default: 24648e6e287fSHans Petter Selasky err = -EINVAL; 24658e6e287fSHans Petter Selasky goto destroy_ft; 24668e6e287fSHans Petter Selasky } 24678e6e287fSHans Petter Selasky 24688e6e287fSHans Petter Selasky if (IS_ERR(handler)) { 24698e6e287fSHans Petter Selasky err = PTR_ERR(handler); 24708e6e287fSHans Petter Selasky handler = NULL; 24718e6e287fSHans Petter Selasky goto destroy_ft; 24728e6e287fSHans Petter Selasky } 24738e6e287fSHans Petter Selasky 24748e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 24758e6e287fSHans Petter Selasky kfree(dst); 2476a30f7170SHans Petter Selasky kfree(ucmd); 24778e6e287fSHans Petter Selasky 24788e6e287fSHans Petter Selasky return &handler->ibflow; 24798e6e287fSHans Petter Selasky 24808e6e287fSHans Petter Selasky destroy_ft: 24818e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio, false); 24828e6e287fSHans Petter Selasky if (ft_prio_tx) 24838e6e287fSHans Petter Selasky put_flow_table(dev, ft_prio_tx, false); 24848e6e287fSHans Petter Selasky unlock: 24858e6e287fSHans Petter Selasky mutex_unlock(&dev->flow_db.lock); 24868e6e287fSHans Petter Selasky kfree(dst); 2487a30f7170SHans Petter Selasky free_ucmd: 2488a30f7170SHans Petter Selasky kfree(ucmd); 24898e6e287fSHans Petter Selasky return ERR_PTR(err); 24908e6e287fSHans Petter Selasky } 24918e6e287fSHans Petter Selasky 249212515907SHans Petter Selasky static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 249312515907SHans Petter Selasky { 249412515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 249512515907SHans Petter Selasky int err; 249612515907SHans Petter Selasky 249712515907SHans Petter Selasky err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); 249812515907SHans Petter Selasky if (err) 249912515907SHans Petter Selasky mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", 250012515907SHans Petter Selasky ibqp->qp_num, gid->raw); 250112515907SHans Petter Selasky 250212515907SHans Petter Selasky return err; 250312515907SHans Petter Selasky } 250412515907SHans Petter Selasky 250512515907SHans Petter Selasky static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 250612515907SHans Petter Selasky { 250712515907SHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibqp->device); 250812515907SHans Petter Selasky int err; 250912515907SHans Petter Selasky 251012515907SHans Petter Selasky err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); 251112515907SHans Petter Selasky if (err) 251212515907SHans Petter Selasky mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", 251312515907SHans Petter Selasky ibqp->qp_num, gid->raw); 251412515907SHans Petter Selasky 251512515907SHans Petter Selasky return err; 251612515907SHans Petter Selasky } 251712515907SHans Petter Selasky 251812515907SHans Petter Selasky static int init_node_data(struct mlx5_ib_dev *dev) 251912515907SHans Petter Selasky { 252012515907SHans Petter Selasky int err; 252112515907SHans Petter Selasky 252212515907SHans Petter Selasky err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); 252312515907SHans Petter Selasky if (err) 252412515907SHans Petter Selasky return err; 252512515907SHans Petter Selasky 252612515907SHans Petter Selasky return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); 252712515907SHans Petter Selasky } 252812515907SHans Petter Selasky 252912515907SHans Petter Selasky static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, 253012515907SHans Petter Selasky char *buf) 253112515907SHans Petter Selasky { 253212515907SHans Petter Selasky struct mlx5_ib_dev *dev = 253312515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 253412515907SHans Petter Selasky 253512515907SHans Petter Selasky return sprintf(buf, "%lld\n", (long long)dev->mdev->priv.fw_pages); 253612515907SHans Petter Selasky } 253712515907SHans Petter Selasky 253812515907SHans Petter Selasky static ssize_t show_reg_pages(struct device *device, 253912515907SHans Petter Selasky struct device_attribute *attr, char *buf) 254012515907SHans Petter Selasky { 254112515907SHans Petter Selasky struct mlx5_ib_dev *dev = 254212515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 254312515907SHans Petter Selasky 254412515907SHans Petter Selasky return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); 254512515907SHans Petter Selasky } 254612515907SHans Petter Selasky 254712515907SHans Petter Selasky static ssize_t show_hca(struct device *device, struct device_attribute *attr, 254812515907SHans Petter Selasky char *buf) 254912515907SHans Petter Selasky { 255012515907SHans Petter Selasky struct mlx5_ib_dev *dev = 255112515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 255212515907SHans Petter Selasky return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); 255312515907SHans Petter Selasky } 255412515907SHans Petter Selasky 255512515907SHans Petter Selasky static ssize_t show_rev(struct device *device, struct device_attribute *attr, 255612515907SHans Petter Selasky char *buf) 255712515907SHans Petter Selasky { 255812515907SHans Petter Selasky struct mlx5_ib_dev *dev = 255912515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 25608e6e287fSHans Petter Selasky return sprintf(buf, "%x\n", dev->mdev->pdev->revision); 256112515907SHans Petter Selasky } 256212515907SHans Petter Selasky 256312515907SHans Petter Selasky static ssize_t show_board(struct device *device, struct device_attribute *attr, 256412515907SHans Petter Selasky char *buf) 256512515907SHans Petter Selasky { 256612515907SHans Petter Selasky struct mlx5_ib_dev *dev = 256712515907SHans Petter Selasky container_of(device, struct mlx5_ib_dev, ib_dev.dev); 256812515907SHans Petter Selasky return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, 256912515907SHans Petter Selasky dev->mdev->board_id); 257012515907SHans Petter Selasky } 257112515907SHans Petter Selasky 257212515907SHans Petter Selasky static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 257312515907SHans Petter Selasky static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); 257412515907SHans Petter Selasky static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); 257512515907SHans Petter Selasky static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); 257612515907SHans Petter Selasky static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); 257712515907SHans Petter Selasky 257812515907SHans Petter Selasky static struct device_attribute *mlx5_class_attributes[] = { 257912515907SHans Petter Selasky &dev_attr_hw_rev, 258012515907SHans Petter Selasky &dev_attr_hca_type, 258112515907SHans Petter Selasky &dev_attr_board_id, 258212515907SHans Petter Selasky &dev_attr_fw_pages, 258312515907SHans Petter Selasky &dev_attr_reg_pages, 258412515907SHans Petter Selasky }; 258512515907SHans Petter Selasky 25868e6e287fSHans Petter Selasky static void pkey_change_handler(struct work_struct *work) 25878e6e287fSHans Petter Selasky { 25888e6e287fSHans Petter Selasky struct mlx5_ib_port_resources *ports = 25898e6e287fSHans Petter Selasky container_of(work, struct mlx5_ib_port_resources, 25908e6e287fSHans Petter Selasky pkey_change_work); 25918e6e287fSHans Petter Selasky 25928e6e287fSHans Petter Selasky mutex_lock(&ports->devr->mutex); 25938e6e287fSHans Petter Selasky mlx5_ib_gsi_pkey_change(ports->gsi); 25948e6e287fSHans Petter Selasky mutex_unlock(&ports->devr->mutex); 25958e6e287fSHans Petter Selasky } 25968e6e287fSHans Petter Selasky 259712515907SHans Petter Selasky static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) 259812515907SHans Petter Selasky { 259912515907SHans Petter Selasky struct mlx5_ib_qp *mqp; 260012515907SHans Petter Selasky struct mlx5_ib_cq *send_mcq, *recv_mcq; 260112515907SHans Petter Selasky struct mlx5_core_cq *mcq; 260212515907SHans Petter Selasky struct list_head cq_armed_list; 260312515907SHans Petter Selasky unsigned long flags_qp; 260412515907SHans Petter Selasky unsigned long flags_cq; 260512515907SHans Petter Selasky unsigned long flags; 260612515907SHans Petter Selasky 260712515907SHans Petter Selasky INIT_LIST_HEAD(&cq_armed_list); 260812515907SHans Petter Selasky 260912515907SHans Petter Selasky /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ 261012515907SHans Petter Selasky spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); 261112515907SHans Petter Selasky list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { 261212515907SHans Petter Selasky spin_lock_irqsave(&mqp->sq.lock, flags_qp); 261312515907SHans Petter Selasky if (mqp->sq.tail != mqp->sq.head) { 261412515907SHans Petter Selasky send_mcq = to_mcq(mqp->ibqp.send_cq); 261512515907SHans Petter Selasky spin_lock_irqsave(&send_mcq->lock, flags_cq); 261612515907SHans Petter Selasky if (send_mcq->mcq.comp && 261712515907SHans Petter Selasky mqp->ibqp.send_cq->comp_handler) { 261812515907SHans Petter Selasky if (!send_mcq->mcq.reset_notify_added) { 261912515907SHans Petter Selasky send_mcq->mcq.reset_notify_added = 1; 262012515907SHans Petter Selasky list_add_tail(&send_mcq->mcq.reset_notify, 262112515907SHans Petter Selasky &cq_armed_list); 262212515907SHans Petter Selasky } 262312515907SHans Petter Selasky } 262412515907SHans Petter Selasky spin_unlock_irqrestore(&send_mcq->lock, flags_cq); 262512515907SHans Petter Selasky } 262612515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); 262712515907SHans Petter Selasky spin_lock_irqsave(&mqp->rq.lock, flags_qp); 262812515907SHans Petter Selasky /* no handling is needed for SRQ */ 262912515907SHans Petter Selasky if (!mqp->ibqp.srq) { 263012515907SHans Petter Selasky if (mqp->rq.tail != mqp->rq.head) { 263112515907SHans Petter Selasky recv_mcq = to_mcq(mqp->ibqp.recv_cq); 263212515907SHans Petter Selasky spin_lock_irqsave(&recv_mcq->lock, flags_cq); 263312515907SHans Petter Selasky if (recv_mcq->mcq.comp && 263412515907SHans Petter Selasky mqp->ibqp.recv_cq->comp_handler) { 263512515907SHans Petter Selasky if (!recv_mcq->mcq.reset_notify_added) { 263612515907SHans Petter Selasky recv_mcq->mcq.reset_notify_added = 1; 263712515907SHans Petter Selasky list_add_tail(&recv_mcq->mcq.reset_notify, 263812515907SHans Petter Selasky &cq_armed_list); 263912515907SHans Petter Selasky } 264012515907SHans Petter Selasky } 264112515907SHans Petter Selasky spin_unlock_irqrestore(&recv_mcq->lock, 264212515907SHans Petter Selasky flags_cq); 264312515907SHans Petter Selasky } 264412515907SHans Petter Selasky } 264512515907SHans Petter Selasky spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); 264612515907SHans Petter Selasky } 264712515907SHans Petter Selasky /*At that point all inflight post send were put to be executed as of we 264812515907SHans Petter Selasky * lock/unlock above locks Now need to arm all involved CQs. 264912515907SHans Petter Selasky */ 265012515907SHans Petter Selasky list_for_each_entry(mcq, &cq_armed_list, reset_notify) { 2651f34f0a65SHans Petter Selasky mcq->comp(mcq, NULL); 265212515907SHans Petter Selasky } 265312515907SHans Petter Selasky spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); 265412515907SHans Petter Selasky } 265512515907SHans Petter Selasky 265612515907SHans Petter Selasky static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, 265712515907SHans Petter Selasky enum mlx5_dev_event event, unsigned long param) 265812515907SHans Petter Selasky { 265912515907SHans Petter Selasky struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; 266012515907SHans Petter Selasky struct ib_event ibev; 26618e6e287fSHans Petter Selasky bool fatal = false; 2662843a89d3SSlava Shwartsman u8 port = (u8)param; 266312515907SHans Petter Selasky 266412515907SHans Petter Selasky switch (event) { 266512515907SHans Petter Selasky case MLX5_DEV_EVENT_SYS_ERROR: 266612515907SHans Petter Selasky ibev.event = IB_EVENT_DEVICE_FATAL; 266712515907SHans Petter Selasky mlx5_ib_handle_internal_error(ibdev); 26688e6e287fSHans Petter Selasky fatal = true; 266912515907SHans Petter Selasky break; 267012515907SHans Petter Selasky 267112515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_UP: 267212515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_DOWN: 267312515907SHans Petter Selasky case MLX5_DEV_EVENT_PORT_INITIALIZED: 26748e6e287fSHans Petter Selasky /* In RoCE, port up/down events are handled in 26758e6e287fSHans Petter Selasky * mlx5_netdev_event(). 26768e6e287fSHans Petter Selasky */ 26778e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == 26788e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) 26798e6e287fSHans Petter Selasky return; 26808e6e287fSHans Petter Selasky 26818e6e287fSHans Petter Selasky ibev.event = (event == MLX5_DEV_EVENT_PORT_UP) ? 26828e6e287fSHans Petter Selasky IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; 268312515907SHans Petter Selasky break; 268412515907SHans Petter Selasky 268512515907SHans Petter Selasky case MLX5_DEV_EVENT_LID_CHANGE: 268612515907SHans Petter Selasky ibev.event = IB_EVENT_LID_CHANGE; 268712515907SHans Petter Selasky break; 268812515907SHans Petter Selasky 268912515907SHans Petter Selasky case MLX5_DEV_EVENT_PKEY_CHANGE: 269012515907SHans Petter Selasky ibev.event = IB_EVENT_PKEY_CHANGE; 26918e6e287fSHans Petter Selasky 26928e6e287fSHans Petter Selasky schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); 269312515907SHans Petter Selasky break; 269412515907SHans Petter Selasky 269512515907SHans Petter Selasky case MLX5_DEV_EVENT_GUID_CHANGE: 269612515907SHans Petter Selasky ibev.event = IB_EVENT_GID_CHANGE; 269712515907SHans Petter Selasky break; 269812515907SHans Petter Selasky 269912515907SHans Petter Selasky case MLX5_DEV_EVENT_CLIENT_REREG: 270012515907SHans Petter Selasky ibev.event = IB_EVENT_CLIENT_REREGISTER; 270112515907SHans Petter Selasky break; 270212515907SHans Petter Selasky 270312515907SHans Petter Selasky default: 270462bfa774SHans Petter Selasky /* unsupported event */ 270562bfa774SHans Petter Selasky return; 270612515907SHans Petter Selasky } 270712515907SHans Petter Selasky 270812515907SHans Petter Selasky ibev.device = &ibdev->ib_dev; 270912515907SHans Petter Selasky ibev.element.port_num = port; 271012515907SHans Petter Selasky 2711843a89d3SSlava Shwartsman if (!rdma_is_port_valid(&ibdev->ib_dev, port)) { 271262bfa774SHans Petter Selasky mlx5_ib_warn(ibdev, "warning: event(%d) on port %d\n", event, port); 271312515907SHans Petter Selasky return; 271412515907SHans Petter Selasky } 271512515907SHans Petter Selasky 271612515907SHans Petter Selasky if (ibdev->ib_active) 271712515907SHans Petter Selasky ib_dispatch_event(&ibev); 27188e6e287fSHans Petter Selasky 27198e6e287fSHans Petter Selasky if (fatal) 27208e6e287fSHans Petter Selasky ibdev->ib_active = false; 272112515907SHans Petter Selasky } 272212515907SHans Petter Selasky 272312515907SHans Petter Selasky static void get_ext_port_caps(struct mlx5_ib_dev *dev) 272412515907SHans Petter Selasky { 272512515907SHans Petter Selasky int port; 272612515907SHans Petter Selasky 272712515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) 272812515907SHans Petter Selasky mlx5_query_ext_port_caps(dev, port); 272912515907SHans Petter Selasky } 273012515907SHans Petter Selasky 273112515907SHans Petter Selasky static int get_port_caps(struct mlx5_ib_dev *dev) 273212515907SHans Petter Selasky { 273312515907SHans Petter Selasky struct ib_device_attr *dprops = NULL; 273412515907SHans Petter Selasky struct ib_port_attr *pprops = NULL; 273512515907SHans Petter Selasky int err = -ENOMEM; 273612515907SHans Petter Selasky int port; 27378e6e287fSHans Petter Selasky struct ib_udata uhw = {.inlen = 0, .outlen = 0}; 273812515907SHans Petter Selasky 273912515907SHans Petter Selasky pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); 274012515907SHans Petter Selasky if (!pprops) 274112515907SHans Petter Selasky goto out; 274212515907SHans Petter Selasky 274312515907SHans Petter Selasky dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); 274412515907SHans Petter Selasky if (!dprops) 274512515907SHans Petter Selasky goto out; 274612515907SHans Petter Selasky 27478e6e287fSHans Petter Selasky err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); 274812515907SHans Petter Selasky if (err) { 274912515907SHans Petter Selasky mlx5_ib_warn(dev, "query_device failed %d\n", err); 275012515907SHans Petter Selasky goto out; 275112515907SHans Petter Selasky } 275212515907SHans Petter Selasky 275312515907SHans Petter Selasky for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { 275412515907SHans Petter Selasky err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); 275512515907SHans Petter Selasky if (err) { 275612515907SHans Petter Selasky mlx5_ib_warn(dev, "query_port %d failed %d\n", 275712515907SHans Petter Selasky port, err); 275812515907SHans Petter Selasky break; 275912515907SHans Petter Selasky } 27608e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].pkey_table_len = 27618e6e287fSHans Petter Selasky dprops->max_pkeys; 27628e6e287fSHans Petter Selasky dev->mdev->port_caps[port - 1].gid_table_len = 27638e6e287fSHans Petter Selasky pprops->gid_tbl_len; 276412515907SHans Petter Selasky mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n", 276512515907SHans Petter Selasky dprops->max_pkeys, pprops->gid_tbl_len); 276612515907SHans Petter Selasky } 276712515907SHans Petter Selasky 276812515907SHans Petter Selasky out: 276912515907SHans Petter Selasky kfree(pprops); 277012515907SHans Petter Selasky kfree(dprops); 277112515907SHans Petter Selasky 277212515907SHans Petter Selasky return err; 277312515907SHans Petter Selasky } 277412515907SHans Petter Selasky 277512515907SHans Petter Selasky static void destroy_umrc_res(struct mlx5_ib_dev *dev) 277612515907SHans Petter Selasky { 277712515907SHans Petter Selasky int err; 277812515907SHans Petter Selasky 277912515907SHans Petter Selasky err = mlx5_mr_cache_cleanup(dev); 278012515907SHans Petter Selasky if (err) 278112515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache cleanup failed\n"); 278212515907SHans Petter Selasky 2783b633e08cSHans Petter Selasky if (dev->umrc.qp) 2784b633e08cSHans Petter Selasky mlx5_ib_destroy_qp(dev->umrc.qp, NULL); 2785b633e08cSHans Petter Selasky if (dev->umrc.cq) 27868e6e287fSHans Petter Selasky ib_free_cq(dev->umrc.cq); 2787b633e08cSHans Petter Selasky if (dev->umrc.pd) 278812515907SHans Petter Selasky ib_dealloc_pd(dev->umrc.pd); 278912515907SHans Petter Selasky } 279012515907SHans Petter Selasky 279112515907SHans Petter Selasky enum { 279212515907SHans Petter Selasky MAX_UMR_WR = 128, 279312515907SHans Petter Selasky }; 279412515907SHans Petter Selasky 279512515907SHans Petter Selasky static int create_umr_res(struct mlx5_ib_dev *dev) 279612515907SHans Petter Selasky { 27978e6e287fSHans Petter Selasky struct ib_qp_init_attr *init_attr = NULL; 27988e6e287fSHans Petter Selasky struct ib_qp_attr *attr = NULL; 279912515907SHans Petter Selasky struct ib_pd *pd; 28008e6e287fSHans Petter Selasky struct ib_cq *cq; 28018e6e287fSHans Petter Selasky struct ib_qp *qp; 280212515907SHans Petter Selasky int ret; 280312515907SHans Petter Selasky 28048e6e287fSHans Petter Selasky attr = kzalloc(sizeof(*attr), GFP_KERNEL); 28058e6e287fSHans Petter Selasky init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); 28068e6e287fSHans Petter Selasky if (!attr || !init_attr) { 28078e6e287fSHans Petter Selasky ret = -ENOMEM; 28088e6e287fSHans Petter Selasky goto error_0; 28098e6e287fSHans Petter Selasky } 28108e6e287fSHans Petter Selasky 28118e6e287fSHans Petter Selasky pd = ib_alloc_pd(&dev->ib_dev, 0); 281212515907SHans Petter Selasky if (IS_ERR(pd)) { 281312515907SHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); 281412515907SHans Petter Selasky ret = PTR_ERR(pd); 281512515907SHans Petter Selasky goto error_0; 281612515907SHans Petter Selasky } 281712515907SHans Petter Selasky 28188e6e287fSHans Petter Selasky cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); 28198e6e287fSHans Petter Selasky if (IS_ERR(cq)) { 28208e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); 28218e6e287fSHans Petter Selasky ret = PTR_ERR(cq); 28228e6e287fSHans Petter Selasky goto error_2; 282312515907SHans Petter Selasky } 282412515907SHans Petter Selasky 28258e6e287fSHans Petter Selasky init_attr->send_cq = cq; 28268e6e287fSHans Petter Selasky init_attr->recv_cq = cq; 28278e6e287fSHans Petter Selasky init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; 28288e6e287fSHans Petter Selasky init_attr->cap.max_send_wr = MAX_UMR_WR; 28298e6e287fSHans Petter Selasky init_attr->cap.max_send_sge = 1; 28308e6e287fSHans Petter Selasky init_attr->qp_type = MLX5_IB_QPT_REG_UMR; 28318e6e287fSHans Petter Selasky init_attr->port_num = 1; 28328e6e287fSHans Petter Selasky qp = mlx5_ib_create_qp(pd, init_attr, NULL); 28338e6e287fSHans Petter Selasky if (IS_ERR(qp)) { 28348e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); 28358e6e287fSHans Petter Selasky ret = PTR_ERR(qp); 28368e6e287fSHans Petter Selasky goto error_3; 28378e6e287fSHans Petter Selasky } 28388e6e287fSHans Petter Selasky qp->device = &dev->ib_dev; 28398e6e287fSHans Petter Selasky qp->real_qp = qp; 28408e6e287fSHans Petter Selasky qp->uobject = NULL; 28418e6e287fSHans Petter Selasky qp->qp_type = MLX5_IB_QPT_REG_UMR; 28428e6e287fSHans Petter Selasky 28438e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_INIT; 28448e6e287fSHans Petter Selasky attr->port_num = 1; 28458e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | 28468e6e287fSHans Petter Selasky IB_QP_PORT, NULL); 28478e6e287fSHans Petter Selasky if (ret) { 28488e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); 28498e6e287fSHans Petter Selasky goto error_4; 28508e6e287fSHans Petter Selasky } 28518e6e287fSHans Petter Selasky 28528e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 28538e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTR; 28548e6e287fSHans Petter Selasky attr->path_mtu = IB_MTU_256; 28558e6e287fSHans Petter Selasky 28568e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 28578e6e287fSHans Petter Selasky if (ret) { 28588e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); 28598e6e287fSHans Petter Selasky goto error_4; 28608e6e287fSHans Petter Selasky } 28618e6e287fSHans Petter Selasky 28628e6e287fSHans Petter Selasky memset(attr, 0, sizeof(*attr)); 28638e6e287fSHans Petter Selasky attr->qp_state = IB_QPS_RTS; 28648e6e287fSHans Petter Selasky ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); 28658e6e287fSHans Petter Selasky if (ret) { 28668e6e287fSHans Petter Selasky mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); 28678e6e287fSHans Petter Selasky goto error_4; 28688e6e287fSHans Petter Selasky } 28698e6e287fSHans Petter Selasky 28708e6e287fSHans Petter Selasky dev->umrc.qp = qp; 28718e6e287fSHans Petter Selasky dev->umrc.cq = cq; 287212515907SHans Petter Selasky dev->umrc.pd = pd; 287312515907SHans Petter Selasky 28748e6e287fSHans Petter Selasky sema_init(&dev->umrc.sem, MAX_UMR_WR); 287512515907SHans Petter Selasky ret = mlx5_mr_cache_init(dev); 287612515907SHans Petter Selasky if (ret) { 287712515907SHans Petter Selasky mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); 287812515907SHans Petter Selasky goto error_4; 287912515907SHans Petter Selasky } 288012515907SHans Petter Selasky 28818e6e287fSHans Petter Selasky kfree(attr); 28828e6e287fSHans Petter Selasky kfree(init_attr); 28838e6e287fSHans Petter Selasky 288412515907SHans Petter Selasky return 0; 288512515907SHans Petter Selasky 288612515907SHans Petter Selasky error_4: 2887b633e08cSHans Petter Selasky mlx5_ib_destroy_qp(qp, NULL); 2888b633e08cSHans Petter Selasky dev->umrc.qp = NULL; 28898e6e287fSHans Petter Selasky 28908e6e287fSHans Petter Selasky error_3: 28918e6e287fSHans Petter Selasky ib_free_cq(cq); 2892b633e08cSHans Petter Selasky dev->umrc.cq = NULL; 28938e6e287fSHans Petter Selasky 28948e6e287fSHans Petter Selasky error_2: 289512515907SHans Petter Selasky ib_dealloc_pd(pd); 2896b633e08cSHans Petter Selasky dev->umrc.pd = NULL; 28978e6e287fSHans Petter Selasky 289812515907SHans Petter Selasky error_0: 28998e6e287fSHans Petter Selasky kfree(attr); 29008e6e287fSHans Petter Selasky kfree(init_attr); 290112515907SHans Petter Selasky return ret; 290212515907SHans Petter Selasky } 290312515907SHans Petter Selasky 290412515907SHans Petter Selasky static int create_dev_resources(struct mlx5_ib_resources *devr) 290512515907SHans Petter Selasky { 290612515907SHans Petter Selasky struct ib_srq_init_attr attr; 290712515907SHans Petter Selasky struct mlx5_ib_dev *dev; 2908b633e08cSHans Petter Selasky struct ib_device *ibdev; 290912515907SHans Petter Selasky struct ib_cq_init_attr cq_attr = {.cqe = 1}; 29108e6e287fSHans Petter Selasky int port; 29118e6e287fSHans Petter Selasky int ret = 0; 291212515907SHans Petter Selasky 291312515907SHans Petter Selasky dev = container_of(devr, struct mlx5_ib_dev, devr); 2914b633e08cSHans Petter Selasky ibdev = &dev->ib_dev; 291512515907SHans Petter Selasky 29168e6e287fSHans Petter Selasky mutex_init(&devr->mutex); 29178e6e287fSHans Petter Selasky 2918b633e08cSHans Petter Selasky devr->p0 = rdma_zalloc_drv_obj(ibdev, ib_pd); 2919b633e08cSHans Petter Selasky if (!devr->p0) 2920b633e08cSHans Petter Selasky return -ENOMEM; 2921b633e08cSHans Petter Selasky 2922b633e08cSHans Petter Selasky devr->p0->device = ibdev; 292312515907SHans Petter Selasky devr->p0->uobject = NULL; 292412515907SHans Petter Selasky atomic_set(&devr->p0->usecnt, 0); 292512515907SHans Petter Selasky 2926b633e08cSHans Petter Selasky ret = mlx5_ib_alloc_pd(devr->p0, NULL); 2927b633e08cSHans Petter Selasky if (ret) 2928b633e08cSHans Petter Selasky goto error0; 2929b633e08cSHans Petter Selasky 2930b633e08cSHans Petter Selasky devr->c0 = rdma_zalloc_drv_obj(ibdev, ib_cq); 2931b633e08cSHans Petter Selasky if (!devr->c0) { 2932b633e08cSHans Petter Selasky ret = -ENOMEM; 293312515907SHans Petter Selasky goto error1; 293412515907SHans Petter Selasky } 2935b633e08cSHans Petter Selasky 293612515907SHans Petter Selasky devr->c0->device = &dev->ib_dev; 293712515907SHans Petter Selasky atomic_set(&devr->c0->usecnt, 0); 293812515907SHans Petter Selasky 2939b633e08cSHans Petter Selasky ret = mlx5_ib_create_cq(devr->c0, &cq_attr, NULL); 2940b633e08cSHans Petter Selasky if (ret) 2941b633e08cSHans Petter Selasky goto err_create_cq; 2942b633e08cSHans Petter Selasky 2943b633e08cSHans Petter Selasky devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL); 294412515907SHans Petter Selasky if (IS_ERR(devr->x0)) { 294512515907SHans Petter Selasky ret = PTR_ERR(devr->x0); 294612515907SHans Petter Selasky goto error2; 294712515907SHans Petter Selasky } 294812515907SHans Petter Selasky devr->x0->device = &dev->ib_dev; 294912515907SHans Petter Selasky devr->x0->inode = NULL; 295012515907SHans Petter Selasky atomic_set(&devr->x0->usecnt, 0); 295112515907SHans Petter Selasky mutex_init(&devr->x0->tgt_qp_mutex); 295212515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x0->tgt_qp_list); 295312515907SHans Petter Selasky 2954b633e08cSHans Petter Selasky devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL); 295512515907SHans Petter Selasky if (IS_ERR(devr->x1)) { 295612515907SHans Petter Selasky ret = PTR_ERR(devr->x1); 295712515907SHans Petter Selasky goto error3; 295812515907SHans Petter Selasky } 295912515907SHans Petter Selasky devr->x1->device = &dev->ib_dev; 296012515907SHans Petter Selasky devr->x1->inode = NULL; 296112515907SHans Petter Selasky atomic_set(&devr->x1->usecnt, 0); 296212515907SHans Petter Selasky mutex_init(&devr->x1->tgt_qp_mutex); 296312515907SHans Petter Selasky INIT_LIST_HEAD(&devr->x1->tgt_qp_list); 296412515907SHans Petter Selasky 296512515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 296612515907SHans Petter Selasky attr.attr.max_sge = 1; 296712515907SHans Petter Selasky attr.attr.max_wr = 1; 296812515907SHans Petter Selasky attr.srq_type = IB_SRQT_XRC; 2969b633e08cSHans Petter Selasky attr.ext.cq = devr->c0; 297012515907SHans Petter Selasky attr.ext.xrc.xrcd = devr->x0; 297112515907SHans Petter Selasky 2972b633e08cSHans Petter Selasky devr->s0 = rdma_zalloc_drv_obj(ibdev, ib_srq); 2973b633e08cSHans Petter Selasky if (!devr->s0) { 2974b633e08cSHans Petter Selasky ret = -ENOMEM; 297512515907SHans Petter Selasky goto error4; 297612515907SHans Petter Selasky } 2977b633e08cSHans Petter Selasky 297812515907SHans Petter Selasky devr->s0->device = &dev->ib_dev; 297912515907SHans Petter Selasky devr->s0->pd = devr->p0; 298012515907SHans Petter Selasky devr->s0->srq_type = IB_SRQT_XRC; 298112515907SHans Petter Selasky devr->s0->ext.xrc.xrcd = devr->x0; 2982b633e08cSHans Petter Selasky devr->s0->ext.cq = devr->c0; 2983b633e08cSHans Petter Selasky ret = mlx5_ib_create_srq(devr->s0, &attr, NULL); 2984b633e08cSHans Petter Selasky if (ret) 2985b633e08cSHans Petter Selasky goto err_create; 2986b633e08cSHans Petter Selasky 298712515907SHans Petter Selasky atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); 2988b633e08cSHans Petter Selasky atomic_inc(&devr->s0->ext.cq->usecnt); 298912515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 299012515907SHans Petter Selasky atomic_set(&devr->s0->usecnt, 0); 299112515907SHans Petter Selasky 299212515907SHans Petter Selasky memset(&attr, 0, sizeof(attr)); 299312515907SHans Petter Selasky attr.attr.max_sge = 1; 299412515907SHans Petter Selasky attr.attr.max_wr = 1; 299512515907SHans Petter Selasky attr.srq_type = IB_SRQT_BASIC; 2996b633e08cSHans Petter Selasky devr->s1 = rdma_zalloc_drv_obj(ibdev, ib_srq); 2997b633e08cSHans Petter Selasky if (!devr->s1) { 2998b633e08cSHans Petter Selasky ret = -ENOMEM; 299912515907SHans Petter Selasky goto error5; 300012515907SHans Petter Selasky } 3001b633e08cSHans Petter Selasky 300212515907SHans Petter Selasky devr->s1->device = &dev->ib_dev; 300312515907SHans Petter Selasky devr->s1->pd = devr->p0; 300412515907SHans Petter Selasky devr->s1->srq_type = IB_SRQT_BASIC; 3005b633e08cSHans Petter Selasky devr->s1->ext.cq = devr->c0; 3006b633e08cSHans Petter Selasky 3007b633e08cSHans Petter Selasky ret = mlx5_ib_create_srq(devr->s1, &attr, NULL); 3008b633e08cSHans Petter Selasky if (ret) 3009b633e08cSHans Petter Selasky goto error6; 3010b633e08cSHans Petter Selasky 301112515907SHans Petter Selasky atomic_inc(&devr->p0->usecnt); 3012b633e08cSHans Petter Selasky atomic_set(&devr->s1->usecnt, 0); 30138e6e287fSHans Petter Selasky 30148e6e287fSHans Petter Selasky for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { 30158e6e287fSHans Petter Selasky INIT_WORK(&devr->ports[port].pkey_change_work, 30168e6e287fSHans Petter Selasky pkey_change_handler); 30178e6e287fSHans Petter Selasky devr->ports[port].devr = devr; 30188e6e287fSHans Petter Selasky } 301912515907SHans Petter Selasky 302012515907SHans Petter Selasky return 0; 302112515907SHans Petter Selasky 3022b633e08cSHans Petter Selasky error6: 3023b633e08cSHans Petter Selasky kfree(devr->s1); 302412515907SHans Petter Selasky error5: 3025b633e08cSHans Petter Selasky mlx5_ib_destroy_srq(devr->s0, NULL); 3026b633e08cSHans Petter Selasky err_create: 3027b633e08cSHans Petter Selasky kfree(devr->s0); 302812515907SHans Petter Selasky error4: 3029b633e08cSHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1, NULL); 303012515907SHans Petter Selasky error3: 3031b633e08cSHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0, NULL); 303212515907SHans Petter Selasky error2: 3033b633e08cSHans Petter Selasky mlx5_ib_destroy_cq(devr->c0, NULL); 3034b633e08cSHans Petter Selasky err_create_cq: 3035b633e08cSHans Petter Selasky kfree(devr->c0); 303612515907SHans Petter Selasky error1: 3037b633e08cSHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0, NULL); 303812515907SHans Petter Selasky error0: 3039b633e08cSHans Petter Selasky kfree(devr->p0); 304012515907SHans Petter Selasky return ret; 304112515907SHans Petter Selasky } 304212515907SHans Petter Selasky 304312515907SHans Petter Selasky static void destroy_dev_resources(struct mlx5_ib_resources *devr) 304412515907SHans Petter Selasky { 30458e6e287fSHans Petter Selasky int port; 30468e6e287fSHans Petter Selasky 3047b633e08cSHans Petter Selasky mlx5_ib_destroy_srq(devr->s1, NULL); 3048b633e08cSHans Petter Selasky kfree(devr->s1); 3049b633e08cSHans Petter Selasky mlx5_ib_destroy_srq(devr->s0, NULL); 3050b633e08cSHans Petter Selasky kfree(devr->s0); 3051b633e08cSHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x0, NULL); 3052b633e08cSHans Petter Selasky mlx5_ib_dealloc_xrcd(devr->x1, NULL); 3053b633e08cSHans Petter Selasky mlx5_ib_destroy_cq(devr->c0, NULL); 3054b633e08cSHans Petter Selasky kfree(devr->c0); 3055b633e08cSHans Petter Selasky mlx5_ib_dealloc_pd(devr->p0, NULL); 3056b633e08cSHans Petter Selasky kfree(devr->p0); 30578e6e287fSHans Petter Selasky 30588e6e287fSHans Petter Selasky /* Make sure no change P_Key work items are still executing */ 3059b633e08cSHans Petter Selasky for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) 30608e6e287fSHans Petter Selasky cancel_work_sync(&devr->ports[port].pkey_change_work); 306112515907SHans Petter Selasky } 306212515907SHans Petter Selasky 3063d05554bbSHans Petter Selasky static u32 get_core_cap_flags(struct ib_device *ibdev) 3064d05554bbSHans Petter Selasky { 3065d05554bbSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 3066d05554bbSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); 3067d05554bbSHans Petter Selasky u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); 3068d05554bbSHans Petter Selasky u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); 3069d05554bbSHans Petter Selasky u32 ret = 0; 3070d05554bbSHans Petter Selasky 3071d05554bbSHans Petter Selasky if (ll == IB_LINK_LAYER_INFINIBAND) 3072d05554bbSHans Petter Selasky return RDMA_CORE_PORT_IBA_IB; 3073d05554bbSHans Petter Selasky 3074d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) 30758e6e287fSHans Petter Selasky return 0; 3076d05554bbSHans Petter Selasky 3077d05554bbSHans Petter Selasky if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) 30788e6e287fSHans Petter Selasky return 0; 3079d05554bbSHans Petter Selasky 3080d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) 3081d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE; 3082d05554bbSHans Petter Selasky 3083d05554bbSHans Petter Selasky if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) 3084d05554bbSHans Petter Selasky ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; 3085d05554bbSHans Petter Selasky 3086d05554bbSHans Petter Selasky return ret; 3087d05554bbSHans Petter Selasky } 3088d05554bbSHans Petter Selasky 3089d05554bbSHans Petter Selasky static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, 3090d05554bbSHans Petter Selasky struct ib_port_immutable *immutable) 3091d05554bbSHans Petter Selasky { 3092d05554bbSHans Petter Selasky struct ib_port_attr attr; 3093626cb01dSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 3094626cb01dSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num); 3095d05554bbSHans Petter Selasky int err; 3096d05554bbSHans Petter Selasky 30978e6e287fSHans Petter Selasky err = mlx5_ib_query_port(ibdev, port_num, &attr); 3098d05554bbSHans Petter Selasky if (err) 3099d05554bbSHans Petter Selasky return err; 3100d05554bbSHans Petter Selasky 3101d05554bbSHans Petter Selasky immutable->pkey_tbl_len = attr.pkey_tbl_len; 3102d05554bbSHans Petter Selasky immutable->gid_tbl_len = attr.gid_tbl_len; 3103d05554bbSHans Petter Selasky immutable->core_cap_flags = get_core_cap_flags(ibdev); 3104626cb01dSHans Petter Selasky if ((ll == IB_LINK_LAYER_INFINIBAND) || MLX5_CAP_GEN(dev->mdev, roce)) 3105d05554bbSHans Petter Selasky immutable->max_mad_size = IB_MGMT_MAD_SIZE; 3106d05554bbSHans Petter Selasky 3107d05554bbSHans Petter Selasky return 0; 3108d05554bbSHans Petter Selasky } 3109d05554bbSHans Petter Selasky 31108e6e287fSHans Petter Selasky static void get_dev_fw_str(struct ib_device *ibdev, char *str, 31118e6e287fSHans Petter Selasky size_t str_len) 311212515907SHans Petter Selasky { 31138e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = 31148e6e287fSHans Petter Selasky container_of(ibdev, struct mlx5_ib_dev, ib_dev); 31158e6e287fSHans Petter Selasky snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev), 31168e6e287fSHans Petter Selasky fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); 31178e6e287fSHans Petter Selasky } 31188e6e287fSHans Petter Selasky 31198e6e287fSHans Petter Selasky static int mlx5_roce_lag_init(struct mlx5_ib_dev *dev) 31208e6e287fSHans Petter Selasky { 31218e6e287fSHans Petter Selasky return 0; 31228e6e287fSHans Petter Selasky } 31238e6e287fSHans Petter Selasky 31248e6e287fSHans Petter Selasky static void mlx5_roce_lag_cleanup(struct mlx5_ib_dev *dev) 31258e6e287fSHans Petter Selasky { 31268e6e287fSHans Petter Selasky } 31278e6e287fSHans Petter Selasky 31288e6e287fSHans Petter Selasky static void mlx5_remove_roce_notifier(struct mlx5_ib_dev *dev) 31298e6e287fSHans Petter Selasky { 31308e6e287fSHans Petter Selasky if (dev->roce.nb.notifier_call) { 31318e6e287fSHans Petter Selasky unregister_netdevice_notifier(&dev->roce.nb); 31328e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 31338e6e287fSHans Petter Selasky } 31348e6e287fSHans Petter Selasky } 31358e6e287fSHans Petter Selasky 31365dc00f00SJustin Hibbits static int 31375dc00f00SJustin Hibbits mlx5_enable_roce_if_cb(if_t ifp, void *arg) 31385dc00f00SJustin Hibbits { 31395dc00f00SJustin Hibbits struct mlx5_ib_dev *dev = arg; 31405dc00f00SJustin Hibbits 31415dc00f00SJustin Hibbits /* check if network interface belongs to mlx5en */ 31425dc00f00SJustin Hibbits if (!mlx5_netdev_match(ifp, dev->mdev, "mce")) 31435dc00f00SJustin Hibbits return (0); 31445dc00f00SJustin Hibbits 31455dc00f00SJustin Hibbits write_lock(&dev->roce.netdev_lock); 31465dc00f00SJustin Hibbits dev->roce.netdev = ifp; 31475dc00f00SJustin Hibbits write_unlock(&dev->roce.netdev_lock); 31485dc00f00SJustin Hibbits 31495dc00f00SJustin Hibbits return (0); 31505dc00f00SJustin Hibbits } 31515dc00f00SJustin Hibbits 31528e6e287fSHans Petter Selasky static int mlx5_enable_roce(struct mlx5_ib_dev *dev) 31538e6e287fSHans Petter Selasky { 315470510800SJustin Hibbits struct epoch_tracker et; 31558e6e287fSHans Petter Selasky VNET_ITERATOR_DECL(vnet_iter); 315612515907SHans Petter Selasky int err; 315712515907SHans Petter Selasky 31588e6e287fSHans Petter Selasky /* Check if mlx5en net device already exists */ 31598e6e287fSHans Petter Selasky VNET_LIST_RLOCK(); 316070510800SJustin Hibbits NET_EPOCH_ENTER(et); 31618e6e287fSHans Petter Selasky VNET_FOREACH(vnet_iter) { 31628e6e287fSHans Petter Selasky CURVNET_SET_QUIET(vnet_iter); 31635dc00f00SJustin Hibbits if_foreach(mlx5_enable_roce_if_cb, dev); 31648e6e287fSHans Petter Selasky CURVNET_RESTORE(); 316512515907SHans Petter Selasky } 316670510800SJustin Hibbits NET_EPOCH_EXIT(et); 31678e6e287fSHans Petter Selasky VNET_LIST_RUNLOCK(); 316812515907SHans Petter Selasky 31698e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = mlx5_netdev_event; 31708e6e287fSHans Petter Selasky err = register_netdevice_notifier(&dev->roce.nb); 317112515907SHans Petter Selasky if (err) { 31728e6e287fSHans Petter Selasky dev->roce.nb.notifier_call = NULL; 31738e6e287fSHans Petter Selasky return err; 317412515907SHans Petter Selasky } 317512515907SHans Petter Selasky 3176626cb01dSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, roce)) { 31778e6e287fSHans Petter Selasky err = mlx5_nic_vport_enable_roce(dev->mdev); 31788e6e287fSHans Petter Selasky if (err) 31798e6e287fSHans Petter Selasky goto err_unregister_netdevice_notifier; 3180626cb01dSHans Petter Selasky } 318112515907SHans Petter Selasky 31828e6e287fSHans Petter Selasky err = mlx5_roce_lag_init(dev); 31838e6e287fSHans Petter Selasky if (err) 31848e6e287fSHans Petter Selasky goto err_disable_roce; 318512515907SHans Petter Selasky 318612515907SHans Petter Selasky return 0; 318712515907SHans Petter Selasky 31888e6e287fSHans Petter Selasky err_disable_roce: 3189626cb01dSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, roce)) 31908e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 319112515907SHans Petter Selasky 31928e6e287fSHans Petter Selasky err_unregister_netdevice_notifier: 31938e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 31948e6e287fSHans Petter Selasky return err; 319512515907SHans Petter Selasky } 319612515907SHans Petter Selasky 31978e6e287fSHans Petter Selasky static void mlx5_disable_roce(struct mlx5_ib_dev *dev) 319812515907SHans Petter Selasky { 31998e6e287fSHans Petter Selasky mlx5_roce_lag_cleanup(dev); 3200626cb01dSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, roce)) 32018e6e287fSHans Petter Selasky mlx5_nic_vport_disable_roce(dev->mdev); 320212515907SHans Petter Selasky } 320312515907SHans Petter Selasky 320412515907SHans Petter Selasky static void mlx5_ib_dealloc_q_port_counter(struct mlx5_ib_dev *dev, u8 port_num) 320512515907SHans Petter Selasky { 320612515907SHans Petter Selasky mlx5_vport_dealloc_q_counter(dev->mdev, 320712515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 320812515907SHans Petter Selasky dev->port[port_num].q_cnt_id); 320912515907SHans Petter Selasky dev->port[port_num].q_cnt_id = 0; 321012515907SHans Petter Selasky } 321112515907SHans Petter Selasky 321212515907SHans Petter Selasky static void mlx5_ib_dealloc_q_counters(struct mlx5_ib_dev *dev) 321312515907SHans Petter Selasky { 321412515907SHans Petter Selasky unsigned int i; 321512515907SHans Petter Selasky 321612515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) 321712515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 321812515907SHans Petter Selasky } 321912515907SHans Petter Selasky 322012515907SHans Petter Selasky static int mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev) 322112515907SHans Petter Selasky { 322212515907SHans Petter Selasky int i; 322312515907SHans Petter Selasky int ret; 322412515907SHans Petter Selasky 322512515907SHans Petter Selasky for (i = 0; i < dev->num_ports; i++) { 322612515907SHans Petter Selasky ret = mlx5_vport_alloc_q_counter(dev->mdev, 322712515907SHans Petter Selasky MLX5_INTERFACE_PROTOCOL_IB, 322812515907SHans Petter Selasky &dev->port[i].q_cnt_id); 322912515907SHans Petter Selasky if (ret) { 323012515907SHans Petter Selasky mlx5_ib_warn(dev, 32318e6e287fSHans Petter Selasky "couldn't allocate queue counter for port %d, err %d\n", 32328e6e287fSHans Petter Selasky i + 1, ret); 323312515907SHans Petter Selasky goto dealloc_counters; 323412515907SHans Petter Selasky } 323512515907SHans Petter Selasky } 323612515907SHans Petter Selasky 323712515907SHans Petter Selasky return 0; 323812515907SHans Petter Selasky 323912515907SHans Petter Selasky dealloc_counters: 324012515907SHans Petter Selasky while (--i >= 0) 324112515907SHans Petter Selasky mlx5_ib_dealloc_q_port_counter(dev, i); 324212515907SHans Petter Selasky 324312515907SHans Petter Selasky return ret; 324412515907SHans Petter Selasky } 324512515907SHans Petter Selasky 32468e6e287fSHans Petter Selasky static const char * const names[] = { 32478e6e287fSHans Petter Selasky "rx_write_requests", 32488e6e287fSHans Petter Selasky "rx_read_requests", 32498e6e287fSHans Petter Selasky "rx_atomic_requests", 32508e6e287fSHans Petter Selasky "out_of_buffer", 32518e6e287fSHans Petter Selasky "out_of_sequence", 32528e6e287fSHans Petter Selasky "duplicate_request", 32538e6e287fSHans Petter Selasky "rnr_nak_retry_err", 32548e6e287fSHans Petter Selasky "packet_seq_err", 32558e6e287fSHans Petter Selasky "implied_nak_seq_err", 32568e6e287fSHans Petter Selasky "local_ack_timeout_err", 325712515907SHans Petter Selasky }; 325812515907SHans Petter Selasky 32598e6e287fSHans Petter Selasky static const size_t stats_offsets[] = { 32608e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_write_requests), 32618e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_read_requests), 32628e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rx_atomic_requests), 32638e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_buffer), 32648e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, out_of_sequence), 32658e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, duplicate_request), 32668e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, rnr_nak_retry_err), 32678e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, packet_seq_err), 32688e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, implied_nak_seq_err), 32698e6e287fSHans Petter Selasky MLX5_BYTE_OFF(query_q_counter_out, local_ack_timeout_err), 327012515907SHans Petter Selasky }; 327112515907SHans Petter Selasky 32728e6e287fSHans Petter Selasky static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, 32738e6e287fSHans Petter Selasky u8 port_num) 327412515907SHans Petter Selasky { 32758e6e287fSHans Petter Selasky BUILD_BUG_ON(ARRAY_SIZE(names) != ARRAY_SIZE(stats_offsets)); 327612515907SHans Petter Selasky 32778e6e287fSHans Petter Selasky /* We support only per port stats */ 32788e6e287fSHans Petter Selasky if (port_num == 0) 32798e6e287fSHans Petter Selasky return NULL; 328012515907SHans Petter Selasky 32818e6e287fSHans Petter Selasky return rdma_alloc_hw_stats_struct(names, ARRAY_SIZE(names), 32828e6e287fSHans Petter Selasky RDMA_HW_STATS_DEFAULT_LIFESPAN); 328312515907SHans Petter Selasky } 328412515907SHans Petter Selasky 32858e6e287fSHans Petter Selasky static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, 32868e6e287fSHans Petter Selasky struct rdma_hw_stats *stats, 32878e6e287fSHans Petter Selasky u8 port, int index) 328812515907SHans Petter Selasky { 32898e6e287fSHans Petter Selasky struct mlx5_ib_dev *dev = to_mdev(ibdev); 329012515907SHans Petter Selasky int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); 329112515907SHans Petter Selasky void *out; 32928e6e287fSHans Petter Selasky __be32 val; 329312515907SHans Petter Selasky int ret; 32948e6e287fSHans Petter Selasky int i; 32958e6e287fSHans Petter Selasky 32968e6e287fSHans Petter Selasky if (!port || !stats) 32978e6e287fSHans Petter Selasky return -ENOSYS; 329812515907SHans Petter Selasky 329912515907SHans Petter Selasky out = mlx5_vzalloc(outlen); 330012515907SHans Petter Selasky if (!out) 330112515907SHans Petter Selasky return -ENOMEM; 330212515907SHans Petter Selasky 33038e6e287fSHans Petter Selasky ret = mlx5_vport_query_q_counter(dev->mdev, 33048e6e287fSHans Petter Selasky dev->port[port - 1].q_cnt_id, 0, 330512515907SHans Petter Selasky out, outlen); 330612515907SHans Petter Selasky if (ret) 330712515907SHans Petter Selasky goto free; 330812515907SHans Petter Selasky 33098e6e287fSHans Petter Selasky for (i = 0; i < ARRAY_SIZE(names); i++) { 33108e6e287fSHans Petter Selasky val = *(__be32 *)(out + stats_offsets[i]); 33118e6e287fSHans Petter Selasky stats->value[i] = (u64)be32_to_cpu(val); 33128e6e287fSHans Petter Selasky } 331312515907SHans Petter Selasky free: 33148e6e287fSHans Petter Selasky kvfree(out); 33158e6e287fSHans Petter Selasky return ARRAY_SIZE(names); 331612515907SHans Petter Selasky } 331712515907SHans Petter Selasky 3318e47a6525SHans Petter Selasky static int mlx5_ib_stage_bfreg_init(struct mlx5_ib_dev *dev) 3319e47a6525SHans Petter Selasky { 3320e47a6525SHans Petter Selasky int err; 3321e47a6525SHans Petter Selasky 3322e47a6525SHans Petter Selasky err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false); 3323e47a6525SHans Petter Selasky if (err) 3324e47a6525SHans Petter Selasky return err; 3325e47a6525SHans Petter Selasky 3326e47a6525SHans Petter Selasky err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); 3327e47a6525SHans Petter Selasky if (err) { 3328e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->bfreg); 3329e47a6525SHans Petter Selasky return err; 3330e47a6525SHans Petter Selasky } 3331e47a6525SHans Petter Selasky 3332e47a6525SHans Petter Selasky err = mlx5_alloc_bfreg(dev->mdev, &dev->wc_bfreg, true, false); 3333e47a6525SHans Petter Selasky if (err) { 3334e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); 3335e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->bfreg); 3336e47a6525SHans Petter Selasky } 3337e47a6525SHans Petter Selasky 3338e47a6525SHans Petter Selasky return err; 3339e47a6525SHans Petter Selasky } 3340e47a6525SHans Petter Selasky 3341e47a6525SHans Petter Selasky static void mlx5_ib_stage_bfreg_cleanup(struct mlx5_ib_dev *dev) 3342e47a6525SHans Petter Selasky { 3343e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->wc_bfreg); 3344e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); 3345e47a6525SHans Petter Selasky mlx5_free_bfreg(dev->mdev, &dev->bfreg); 3346e47a6525SHans Petter Selasky } 3347e47a6525SHans Petter Selasky 334812515907SHans Petter Selasky static void *mlx5_ib_add(struct mlx5_core_dev *mdev) 334912515907SHans Petter Selasky { 335012515907SHans Petter Selasky struct mlx5_ib_dev *dev; 33518e6e287fSHans Petter Selasky enum rdma_link_layer ll; 33528e6e287fSHans Petter Selasky int port_type_cap; 335312515907SHans Petter Selasky int err; 335412515907SHans Petter Selasky int i; 335512515907SHans Petter Selasky 33568e6e287fSHans Petter Selasky port_type_cap = MLX5_CAP_GEN(mdev, port_type); 33578e6e287fSHans Petter Selasky ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); 33588e6e287fSHans Petter Selasky 335912515907SHans Petter Selasky dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); 336012515907SHans Petter Selasky if (!dev) 336112515907SHans Petter Selasky return NULL; 336212515907SHans Petter Selasky 336312515907SHans Petter Selasky dev->mdev = mdev; 336412515907SHans Petter Selasky 336512515907SHans Petter Selasky dev->port = kcalloc(MLX5_CAP_GEN(mdev, num_ports), sizeof(*dev->port), 336612515907SHans Petter Selasky GFP_KERNEL); 336712515907SHans Petter Selasky if (!dev->port) 336812515907SHans Petter Selasky goto err_dealloc; 336912515907SHans Petter Selasky 33708e6e287fSHans Petter Selasky rwlock_init(&dev->roce.netdev_lock); 337112515907SHans Petter Selasky err = get_port_caps(dev); 337212515907SHans Petter Selasky if (err) 337312515907SHans Petter Selasky goto err_free_port; 337412515907SHans Petter Selasky 337512515907SHans Petter Selasky if (mlx5_use_mad_ifc(dev)) 337612515907SHans Petter Selasky get_ext_port_caps(dev); 337712515907SHans Petter Selasky 337812515907SHans Petter Selasky MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock); 337912515907SHans Petter Selasky 3380ea00d7e8SHans Petter Selasky mutex_init(&dev->lb_mutex); 3381ea00d7e8SHans Petter Selasky 3382b633e08cSHans Petter Selasky INIT_IB_DEVICE_OPS(&dev->ib_dev.ops, mlx5, MLX5); 338314a1b9bdSHans Petter Selasky snprintf(dev->ib_dev.name, IB_DEVICE_NAME_MAX, "mlx5_%d", device_get_unit(mdev->pdev->dev.bsddev)); 338412515907SHans Petter Selasky dev->ib_dev.owner = THIS_MODULE; 338512515907SHans Petter Selasky dev->ib_dev.node_type = RDMA_NODE_IB_CA; 33868e6e287fSHans Petter Selasky dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; 338712515907SHans Petter Selasky dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); 338812515907SHans Petter Selasky dev->ib_dev.phys_port_cnt = dev->num_ports; 338912515907SHans Petter Selasky dev->ib_dev.num_comp_vectors = 339012515907SHans Petter Selasky dev->mdev->priv.eq_table.num_comp_vectors; 339112515907SHans Petter Selasky dev->ib_dev.dma_device = &mdev->pdev->dev; 339212515907SHans Petter Selasky 339312515907SHans Petter Selasky dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; 339412515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask = 339512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | 339612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | 339712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | 339812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | 339912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | 34001456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_AH) | 34011456d97cSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | 340212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REG_MR) | 34038e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_REREG_MR) | 340412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEREG_MR) | 340512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | 340612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | 340712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | 340812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | 340912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_QP) | 341012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | 341112515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_QP) | 341212515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | 341312515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | 341412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | 341512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | 341612515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | 341712515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | 341812515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | 341912515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | 342012515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_QP); 34218e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask = 34228e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | 34238e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | 34248e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP); 342512515907SHans Petter Selasky 342612515907SHans Petter Selasky dev->ib_dev.query_device = mlx5_ib_query_device; 342712515907SHans Petter Selasky dev->ib_dev.query_port = mlx5_ib_query_port; 342812515907SHans Petter Selasky dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; 34298e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 343012515907SHans Petter Selasky dev->ib_dev.get_netdev = mlx5_ib_get_netdev; 343112515907SHans Petter Selasky dev->ib_dev.query_gid = mlx5_ib_query_gid; 34328e6e287fSHans Petter Selasky dev->ib_dev.add_gid = mlx5_ib_add_gid; 34338e6e287fSHans Petter Selasky dev->ib_dev.del_gid = mlx5_ib_del_gid; 343412515907SHans Petter Selasky dev->ib_dev.query_pkey = mlx5_ib_query_pkey; 343512515907SHans Petter Selasky dev->ib_dev.modify_device = mlx5_ib_modify_device; 343612515907SHans Petter Selasky dev->ib_dev.modify_port = mlx5_ib_modify_port; 343712515907SHans Petter Selasky dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; 343812515907SHans Petter Selasky dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; 343912515907SHans Petter Selasky dev->ib_dev.mmap = mlx5_ib_mmap; 3440b633e08cSHans Petter Selasky dev->ib_dev.mmap_free = mlx5_ib_mmap_free; 344112515907SHans Petter Selasky dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; 344212515907SHans Petter Selasky dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; 344312515907SHans Petter Selasky dev->ib_dev.create_ah = mlx5_ib_create_ah; 344412515907SHans Petter Selasky dev->ib_dev.query_ah = mlx5_ib_query_ah; 344512515907SHans Petter Selasky dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; 344612515907SHans Petter Selasky dev->ib_dev.create_srq = mlx5_ib_create_srq; 344712515907SHans Petter Selasky dev->ib_dev.modify_srq = mlx5_ib_modify_srq; 344812515907SHans Petter Selasky dev->ib_dev.query_srq = mlx5_ib_query_srq; 344912515907SHans Petter Selasky dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; 345012515907SHans Petter Selasky dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; 345112515907SHans Petter Selasky dev->ib_dev.create_qp = mlx5_ib_create_qp; 345212515907SHans Petter Selasky dev->ib_dev.modify_qp = mlx5_ib_modify_qp; 345312515907SHans Petter Selasky dev->ib_dev.query_qp = mlx5_ib_query_qp; 345412515907SHans Petter Selasky dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; 345512515907SHans Petter Selasky dev->ib_dev.post_send = mlx5_ib_post_send; 345612515907SHans Petter Selasky dev->ib_dev.post_recv = mlx5_ib_post_recv; 345712515907SHans Petter Selasky dev->ib_dev.create_cq = mlx5_ib_create_cq; 345812515907SHans Petter Selasky dev->ib_dev.modify_cq = mlx5_ib_modify_cq; 345912515907SHans Petter Selasky dev->ib_dev.resize_cq = mlx5_ib_resize_cq; 346012515907SHans Petter Selasky dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; 346112515907SHans Petter Selasky dev->ib_dev.poll_cq = mlx5_ib_poll_cq; 346212515907SHans Petter Selasky dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; 346312515907SHans Petter Selasky dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; 346412515907SHans Petter Selasky dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; 34658e6e287fSHans Petter Selasky dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; 346612515907SHans Petter Selasky dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; 346712515907SHans Petter Selasky dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; 346812515907SHans Petter Selasky dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; 346912515907SHans Petter Selasky dev->ib_dev.process_mad = mlx5_ib_process_mad; 34708e6e287fSHans Petter Selasky dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; 34718e6e287fSHans Petter Selasky dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; 34728e6e287fSHans Petter Selasky dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; 3473d05554bbSHans Petter Selasky dev->ib_dev.get_port_immutable = mlx5_port_immutable; 34748e6e287fSHans Petter Selasky dev->ib_dev.get_dev_fw_str = get_dev_fw_str; 34758e6e287fSHans Petter Selasky if (mlx5_core_is_pf(mdev)) { 34768e6e287fSHans Petter Selasky dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; 34778e6e287fSHans Petter Selasky dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; 34788e6e287fSHans Petter Selasky dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; 34798e6e287fSHans Petter Selasky dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; 34808e6e287fSHans Petter Selasky } 34818e6e287fSHans Petter Selasky 3482a3a31fdeSHans Petter Selasky dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext; 3483a3a31fdeSHans Petter Selasky 34848e6e287fSHans Petter Selasky mlx5_ib_internal_fill_odp_caps(dev); 34858e6e287fSHans Petter Selasky 34868e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(mdev, imaicl)) { 34878e6e287fSHans Petter Selasky dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; 34888e6e287fSHans Petter Selasky dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; 34898e6e287fSHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 34908e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | 34918e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); 34928e6e287fSHans Petter Selasky } 34938e6e287fSHans Petter Selasky 34948e6e287fSHans Petter Selasky if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt) && 34958e6e287fSHans Petter Selasky MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { 34968e6e287fSHans Petter Selasky dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; 34978e6e287fSHans Petter Selasky dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; 34988e6e287fSHans Petter Selasky } 349912515907SHans Petter Selasky 350012515907SHans Petter Selasky if (MLX5_CAP_GEN(mdev, xrc)) { 350112515907SHans Petter Selasky dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; 350212515907SHans Petter Selasky dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; 350312515907SHans Petter Selasky dev->ib_dev.uverbs_cmd_mask |= 350412515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | 350512515907SHans Petter Selasky (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); 350612515907SHans Petter Selasky } 350712515907SHans Petter Selasky 35088e6e287fSHans Petter Selasky if (mlx5_ib_port_link_layer(&dev->ib_dev, 1) == 35098e6e287fSHans Petter Selasky IB_LINK_LAYER_ETHERNET) { 35108e6e287fSHans Petter Selasky dev->ib_dev.create_flow = mlx5_ib_create_flow; 35118e6e287fSHans Petter Selasky dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; 35128e6e287fSHans Petter Selasky dev->ib_dev.create_wq = mlx5_ib_create_wq; 35138e6e287fSHans Petter Selasky dev->ib_dev.modify_wq = mlx5_ib_modify_wq; 35148e6e287fSHans Petter Selasky dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; 35158e6e287fSHans Petter Selasky dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; 35168e6e287fSHans Petter Selasky dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; 35178e6e287fSHans Petter Selasky dev->ib_dev.uverbs_ex_cmd_mask |= 35188e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | 35198e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | 35208e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | 35218e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | 35228e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | 35238e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | 35248e6e287fSHans Petter Selasky (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); 35258e6e287fSHans Petter Selasky } 352612515907SHans Petter Selasky err = init_node_data(dev); 352712515907SHans Petter Selasky if (err) 35288e6e287fSHans Petter Selasky goto err_free_port; 352912515907SHans Petter Selasky 35308e6e287fSHans Petter Selasky mutex_init(&dev->flow_db.lock); 353112515907SHans Petter Selasky mutex_init(&dev->cap_mask_mutex); 353212515907SHans Petter Selasky INIT_LIST_HEAD(&dev->qp_list); 353312515907SHans Petter Selasky spin_lock_init(&dev->reset_flow_resource_lock); 353412515907SHans Petter Selasky 35358e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 35368e6e287fSHans Petter Selasky err = mlx5_enable_roce(dev); 35378e6e287fSHans Petter Selasky if (err) 35388e6e287fSHans Petter Selasky goto err_free_port; 35398e6e287fSHans Petter Selasky } 35408e6e287fSHans Petter Selasky 354112515907SHans Petter Selasky err = create_dev_resources(&dev->devr); 354212515907SHans Petter Selasky if (err) 354312515907SHans Petter Selasky goto err_disable_roce; 354412515907SHans Petter Selasky 35458e6e287fSHans Petter Selasky err = mlx5_ib_odp_init_one(dev); 35468e6e287fSHans Petter Selasky if (err) 35478e6e287fSHans Petter Selasky goto err_rsrc; 354812515907SHans Petter Selasky 354912515907SHans Petter Selasky err = mlx5_ib_alloc_q_counters(dev); 355012515907SHans Petter Selasky if (err) 355112515907SHans Petter Selasky goto err_odp; 355212515907SHans Petter Selasky 3553e47a6525SHans Petter Selasky err = mlx5_ib_stage_bfreg_init(dev); 355412515907SHans Petter Selasky if (err) 355512515907SHans Petter Selasky goto err_q_cnt; 355612515907SHans Petter Selasky 3557e47a6525SHans Petter Selasky err = ib_register_device(&dev->ib_dev, NULL); 3558e47a6525SHans Petter Selasky if (err) 3559e47a6525SHans Petter Selasky goto err_bfreg; 3560e47a6525SHans Petter Selasky 356112515907SHans Petter Selasky err = create_umr_res(dev); 356212515907SHans Petter Selasky if (err) 356312515907SHans Petter Selasky goto err_dev; 356412515907SHans Petter Selasky 356512515907SHans Petter Selasky for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { 356612515907SHans Petter Selasky err = device_create_file(&dev->ib_dev.dev, 356712515907SHans Petter Selasky mlx5_class_attributes[i]); 356812515907SHans Petter Selasky if (err) 35698e6e287fSHans Petter Selasky goto err_umrc; 357012515907SHans Petter Selasky } 357112515907SHans Petter Selasky 3572118063fbSHans Petter Selasky err = mlx5_ib_init_congestion(dev); 3573118063fbSHans Petter Selasky if (err) 3574118063fbSHans Petter Selasky goto err_umrc; 3575118063fbSHans Petter Selasky 357612515907SHans Petter Selasky dev->ib_active = true; 357712515907SHans Petter Selasky 357812515907SHans Petter Selasky return dev; 357912515907SHans Petter Selasky 35808e6e287fSHans Petter Selasky err_umrc: 358112515907SHans Petter Selasky destroy_umrc_res(dev); 358212515907SHans Petter Selasky 358312515907SHans Petter Selasky err_dev: 358412515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 358512515907SHans Petter Selasky 3586e47a6525SHans Petter Selasky err_bfreg: 3587e47a6525SHans Petter Selasky mlx5_ib_stage_bfreg_cleanup(dev); 3588e47a6525SHans Petter Selasky 358912515907SHans Petter Selasky err_q_cnt: 359012515907SHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 359112515907SHans Petter Selasky 359212515907SHans Petter Selasky err_odp: 35938e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 35948e6e287fSHans Petter Selasky 35958e6e287fSHans Petter Selasky err_rsrc: 359612515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 359712515907SHans Petter Selasky 359812515907SHans Petter Selasky err_disable_roce: 35998e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) { 36008e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 36018e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 36028e6e287fSHans Petter Selasky } 36038e6e287fSHans Petter Selasky 360412515907SHans Petter Selasky err_free_port: 360512515907SHans Petter Selasky kfree(dev->port); 360612515907SHans Petter Selasky 360712515907SHans Petter Selasky err_dealloc: 360812515907SHans Petter Selasky ib_dealloc_device((struct ib_device *)dev); 360912515907SHans Petter Selasky 361012515907SHans Petter Selasky return NULL; 361112515907SHans Petter Selasky } 361212515907SHans Petter Selasky 361312515907SHans Petter Selasky static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) 361412515907SHans Petter Selasky { 361512515907SHans Petter Selasky struct mlx5_ib_dev *dev = context; 36168e6e287fSHans Petter Selasky enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, 1); 361712515907SHans Petter Selasky 3618118063fbSHans Petter Selasky mlx5_ib_cleanup_congestion(dev); 36198e6e287fSHans Petter Selasky mlx5_remove_roce_notifier(dev); 362012515907SHans Petter Selasky ib_unregister_device(&dev->ib_dev); 3621e47a6525SHans Petter Selasky mlx5_ib_stage_bfreg_cleanup(dev); 36228e6e287fSHans Petter Selasky mlx5_ib_dealloc_q_counters(dev); 362312515907SHans Petter Selasky destroy_umrc_res(dev); 36248e6e287fSHans Petter Selasky mlx5_ib_odp_remove_one(dev); 362512515907SHans Petter Selasky destroy_dev_resources(&dev->devr); 36268e6e287fSHans Petter Selasky if (ll == IB_LINK_LAYER_ETHERNET) 36278e6e287fSHans Petter Selasky mlx5_disable_roce(dev); 362812515907SHans Petter Selasky kfree(dev->port); 362912515907SHans Petter Selasky ib_dealloc_device(&dev->ib_dev); 363012515907SHans Petter Selasky } 363112515907SHans Petter Selasky 363212515907SHans Petter Selasky static struct mlx5_interface mlx5_ib_interface = { 363312515907SHans Petter Selasky .add = mlx5_ib_add, 363412515907SHans Petter Selasky .remove = mlx5_ib_remove, 363512515907SHans Petter Selasky .event = mlx5_ib_event, 363612515907SHans Petter Selasky .protocol = MLX5_INTERFACE_PROTOCOL_IB, 363712515907SHans Petter Selasky }; 363812515907SHans Petter Selasky 363912515907SHans Petter Selasky static int __init mlx5_ib_init(void) 364012515907SHans Petter Selasky { 364112515907SHans Petter Selasky int err; 364212515907SHans Petter Selasky 36438e6e287fSHans Petter Selasky err = mlx5_ib_odp_init(); 36448e6e287fSHans Petter Selasky if (err) 36458e6e287fSHans Petter Selasky return err; 364612515907SHans Petter Selasky 364712515907SHans Petter Selasky err = mlx5_register_interface(&mlx5_ib_interface); 364812515907SHans Petter Selasky if (err) 364912515907SHans Petter Selasky goto clean_odp; 365012515907SHans Petter Selasky 365112515907SHans Petter Selasky return err; 365212515907SHans Petter Selasky 365312515907SHans Petter Selasky clean_odp: 36548e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 365512515907SHans Petter Selasky return err; 365612515907SHans Petter Selasky } 365712515907SHans Petter Selasky 365812515907SHans Petter Selasky static void __exit mlx5_ib_cleanup(void) 365912515907SHans Petter Selasky { 366012515907SHans Petter Selasky mlx5_unregister_interface(&mlx5_ib_interface); 36618e6e287fSHans Petter Selasky mlx5_ib_odp_cleanup(); 366212515907SHans Petter Selasky } 366312515907SHans Petter Selasky 36641866c98eSHans Petter Selasky module_init_order(mlx5_ib_init, SI_ORDER_SEVENTH); 36651866c98eSHans Petter Selasky module_exit_order(mlx5_ib_cleanup, SI_ORDER_SEVENTH); 3666