Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. |
Jack Morgenstein | 51a379d | 2008-07-25 10:32:52 -0700 | [diff] [blame] | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4 | * |
| 5 | * This software is available to you under a choice of one of two |
| 6 | * licenses. You may choose to be licensed under the terms of the GNU |
| 7 | * General Public License (GPL) Version 2, available from the file |
| 8 | * COPYING in the main directory of this source tree, or the |
| 9 | * OpenIB.org BSD license below: |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or |
| 12 | * without modification, are permitted provided that the following |
| 13 | * conditions are met: |
| 14 | * |
| 15 | * - Redistributions of source code must retain the above |
| 16 | * copyright notice, this list of conditions and the following |
| 17 | * disclaimer. |
| 18 | * |
| 19 | * - Redistributions in binary form must reproduce the above |
| 20 | * copyright notice, this list of conditions and the following |
| 21 | * disclaimer in the documentation and/or other materials |
| 22 | * provided with the distribution. |
| 23 | * |
| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 31 | * SOFTWARE. |
| 32 | */ |
| 33 | |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 36 | #include <linux/slab.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 37 | #include <linux/errno.h> |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 38 | #include <linux/netdevice.h> |
| 39 | #include <linux/inetdevice.h> |
| 40 | #include <linux/rtnetlink.h> |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 41 | #include <linux/if_vlan.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 42 | |
| 43 | #include <rdma/ib_smi.h> |
| 44 | #include <rdma/ib_user_verbs.h> |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 45 | #include <rdma/ib_addr.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 46 | |
| 47 | #include <linux/mlx4/driver.h> |
| 48 | #include <linux/mlx4/cmd.h> |
| 49 | |
| 50 | #include "mlx4_ib.h" |
| 51 | #include "user.h" |
| 52 | |
Jack Morgenstein | b1d8eb5 | 2012-06-19 11:21:35 +0300 | [diff] [blame] | 53 | #define DRV_NAME MLX4_IB_DRV_NAME |
Jack Morgenstein | 068c4ea | 2008-04-16 21:09:35 -0700 | [diff] [blame] | 54 | #define DRV_VERSION "1.0" |
| 55 | #define DRV_RELDATE "April 4, 2008" |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 56 | |
| 57 | MODULE_AUTHOR("Roland Dreier"); |
| 58 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); |
| 59 | MODULE_LICENSE("Dual BSD/GPL"); |
| 60 | MODULE_VERSION(DRV_VERSION); |
| 61 | |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 62 | int mlx4_ib_sm_guid_assign = 1; |
| 63 | module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444); |
| 64 | MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 1)"); |
| 65 | |
Roland Dreier | 68f3948 | 2008-02-04 20:20:44 -0800 | [diff] [blame] | 66 | static const char mlx4_ib_version[] = |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 67 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
| 68 | DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 69 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 70 | struct update_gid_work { |
| 71 | struct work_struct work; |
| 72 | union ib_gid gids[128]; |
| 73 | struct mlx4_ib_dev *dev; |
| 74 | int port; |
| 75 | }; |
| 76 | |
| 77 | static struct workqueue_struct *wq; |
| 78 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 79 | static void init_query_mad(struct ib_smp *mad) |
| 80 | { |
| 81 | mad->base_version = 1; |
| 82 | mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; |
| 83 | mad->class_version = 1; |
| 84 | mad->method = IB_MGMT_METHOD_GET; |
| 85 | } |
| 86 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 87 | static union ib_gid zgid; |
| 88 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 89 | static int mlx4_ib_query_device(struct ib_device *ibdev, |
| 90 | struct ib_device_attr *props) |
| 91 | { |
| 92 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
| 93 | struct ib_smp *in_mad = NULL; |
| 94 | struct ib_smp *out_mad = NULL; |
| 95 | int err = -ENOMEM; |
| 96 | |
| 97 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| 98 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| 99 | if (!in_mad || !out_mad) |
| 100 | goto out; |
| 101 | |
| 102 | init_query_mad(in_mad); |
| 103 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| 104 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 105 | err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS, |
| 106 | 1, NULL, NULL, in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 107 | if (err) |
| 108 | goto out; |
| 109 | |
| 110 | memset(props, 0, sizeof *props); |
| 111 | |
| 112 | props->fw_ver = dev->dev->caps.fw_ver; |
| 113 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
| 114 | IB_DEVICE_PORT_ACTIVE_EVENT | |
| 115 | IB_DEVICE_SYS_IMAGE_GUID | |
Ron Livne | 521e575 | 2008-07-14 23:48:48 -0700 | [diff] [blame] | 116 | IB_DEVICE_RC_RNR_NAK_GEN | |
| 117 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 118 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
| 119 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
| 120 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) |
| 121 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
| 122 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM) |
| 123 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
| 124 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) |
| 125 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; |
Eli Cohen | 8ff095e | 2008-04-16 21:01:10 -0700 | [diff] [blame] | 126 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
| 127 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; |
Eli Cohen | 417608c | 2009-11-12 11:19:44 -0800 | [diff] [blame] | 128 | if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH) |
Eli Cohen | b832be1 | 2008-04-16 21:09:27 -0700 | [diff] [blame] | 129 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
Roland Dreier | 95d04f0 | 2008-07-23 08:12:26 -0700 | [diff] [blame] | 130 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
| 131 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; |
| 132 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && |
| 133 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && |
| 134 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) |
| 135 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
Sean Hefty | 0a1405d | 2011-06-02 11:32:15 -0700 | [diff] [blame] | 136 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) |
| 137 | props->device_cap_flags |= IB_DEVICE_XRC; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 138 | |
| 139 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & |
| 140 | 0xffffff; |
| 141 | props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30)); |
| 142 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
| 143 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); |
| 144 | |
| 145 | props->max_mr_size = ~0ull; |
| 146 | props->page_size_cap = dev->dev->caps.page_size_cap; |
| 147 | props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps; |
Sagi Grimberg | fc2d004 | 2012-05-24 16:08:08 +0300 | [diff] [blame] | 148 | props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 149 | props->max_sge = min(dev->dev->caps.max_sq_sg, |
| 150 | dev->dev->caps.max_rq_sg); |
| 151 | props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs; |
| 152 | props->max_cqe = dev->dev->caps.max_cqes; |
| 153 | props->max_mr = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws; |
| 154 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; |
| 155 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; |
| 156 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; |
| 157 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
| 158 | props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs; |
Jack Morgenstein | c8681f1 | 2007-06-21 13:39:10 -0700 | [diff] [blame] | 159 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 160 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
Eli Cohen | 5a0fd09 | 2010-10-07 16:24:16 +0200 | [diff] [blame] | 161 | props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 162 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
| 163 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? |
| 164 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; |
Dotan Barak | 47e956b | 2012-07-11 15:39:29 +0000 | [diff] [blame] | 165 | props->masked_atomic_cap = props->atomic_cap; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 166 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 167 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
| 168 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; |
| 169 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
| 170 | props->max_mcast_grp; |
Eli Cohen | a5bbe89 | 2012-02-09 18:10:06 +0200 | [diff] [blame] | 171 | props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 172 | |
| 173 | out: |
| 174 | kfree(in_mad); |
| 175 | kfree(out_mad); |
| 176 | |
| 177 | return err; |
| 178 | } |
| 179 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 180 | static enum rdma_link_layer |
| 181 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) |
| 182 | { |
| 183 | struct mlx4_dev *dev = to_mdev(device)->dev; |
| 184 | |
Jack Morgenstein | 65dab25 | 2011-12-13 04:10:41 +0000 | [diff] [blame] | 185 | return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ? |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 186 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; |
| 187 | } |
| 188 | |
| 189 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 190 | struct ib_port_attr *props, int netw_view) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 191 | { |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 192 | struct ib_smp *in_mad = NULL; |
| 193 | struct ib_smp *out_mad = NULL; |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 194 | int ext_active_speed; |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 195 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 196 | int err = -ENOMEM; |
| 197 | |
| 198 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| 199 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| 200 | if (!in_mad || !out_mad) |
| 201 | goto out; |
| 202 | |
| 203 | init_query_mad(in_mad); |
| 204 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| 205 | in_mad->attr_mod = cpu_to_be32(port); |
| 206 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 207 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
| 208 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; |
| 209 | |
| 210 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 211 | in_mad, out_mad); |
| 212 | if (err) |
| 213 | goto out; |
| 214 | |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 215 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 216 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
| 217 | props->lmc = out_mad->data[34] & 0x7; |
| 218 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); |
| 219 | props->sm_sl = out_mad->data[36] & 0xf; |
| 220 | props->state = out_mad->data[32] & 0xf; |
| 221 | props->phys_state = out_mad->data[33] >> 4; |
| 222 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 223 | if (netw_view) |
| 224 | props->gid_tbl_len = out_mad->data[50]; |
| 225 | else |
| 226 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 227 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
| 228 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
| 229 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
| 230 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); |
| 231 | props->active_width = out_mad->data[31] & 0xf; |
| 232 | props->active_speed = out_mad->data[35] >> 4; |
| 233 | props->max_mtu = out_mad->data[41] & 0xf; |
| 234 | props->active_mtu = out_mad->data[36] >> 4; |
| 235 | props->subnet_timeout = out_mad->data[51] & 0x1f; |
| 236 | props->max_vl_num = out_mad->data[37] >> 4; |
| 237 | props->init_type_reply = out_mad->data[41] >> 4; |
| 238 | |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 239 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
| 240 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { |
| 241 | ext_active_speed = out_mad->data[62] >> 4; |
| 242 | |
| 243 | switch (ext_active_speed) { |
| 244 | case 1: |
Or Gerlitz | 2e96691 | 2012-02-28 18:49:50 +0200 | [diff] [blame] | 245 | props->active_speed = IB_SPEED_FDR; |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 246 | break; |
| 247 | case 2: |
Or Gerlitz | 2e96691 | 2012-02-28 18:49:50 +0200 | [diff] [blame] | 248 | props->active_speed = IB_SPEED_EDR; |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 249 | break; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | /* If reported active speed is QDR, check if is FDR-10 */ |
Or Gerlitz | 2e96691 | 2012-02-28 18:49:50 +0200 | [diff] [blame] | 254 | if (props->active_speed == IB_SPEED_QDR) { |
Or Gerlitz | 8154c07 | 2012-03-06 15:50:50 +0200 | [diff] [blame] | 255 | init_query_mad(in_mad); |
| 256 | in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO; |
| 257 | in_mad->attr_mod = cpu_to_be32(port); |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 258 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 259 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, |
Or Gerlitz | 8154c07 | 2012-03-06 15:50:50 +0200 | [diff] [blame] | 260 | NULL, NULL, in_mad, out_mad); |
| 261 | if (err) |
Jesper Juhl | bf6b47d | 2012-04-11 23:43:29 +0200 | [diff] [blame] | 262 | goto out; |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 263 | |
Or Gerlitz | 8154c07 | 2012-03-06 15:50:50 +0200 | [diff] [blame] | 264 | /* Checking LinkSpeedActive for FDR-10 */ |
| 265 | if (out_mad->data[15] & 0x1) |
| 266 | props->active_speed = IB_SPEED_FDR10; |
Marcel Apfelbaum | a5e12df | 2011-10-03 19:04:20 +0300 | [diff] [blame] | 267 | } |
Or Gerlitz | d2ef406 | 2012-04-02 17:45:20 +0300 | [diff] [blame] | 268 | |
| 269 | /* Avoid wrong speed value returned by FW if the IB link is down. */ |
| 270 | if (props->state == IB_PORT_DOWN) |
| 271 | props->active_speed = IB_SPEED_SDR; |
| 272 | |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 273 | out: |
| 274 | kfree(in_mad); |
| 275 | kfree(out_mad); |
| 276 | return err; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | static u8 state_to_phys_state(enum ib_port_state state) |
| 280 | { |
| 281 | return state == IB_PORT_ACTIVE ? 5 : 3; |
| 282 | } |
| 283 | |
| 284 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 285 | struct ib_port_attr *props, int netw_view) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 286 | { |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 287 | |
| 288 | struct mlx4_ib_dev *mdev = to_mdev(ibdev); |
| 289 | struct mlx4_ib_iboe *iboe = &mdev->iboe; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 290 | struct net_device *ndev; |
| 291 | enum ib_mtu tmp; |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 292 | struct mlx4_cmd_mailbox *mailbox; |
| 293 | int err = 0; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 294 | |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 295 | mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); |
| 296 | if (IS_ERR(mailbox)) |
| 297 | return PTR_ERR(mailbox); |
| 298 | |
| 299 | err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, |
| 300 | MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, |
| 301 | MLX4_CMD_WRAPPED); |
| 302 | if (err) |
| 303 | goto out; |
| 304 | |
| 305 | props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? |
| 306 | IB_WIDTH_4X : IB_WIDTH_1X; |
Or Gerlitz | 2e96691 | 2012-02-28 18:49:50 +0200 | [diff] [blame] | 307 | props->active_speed = IB_SPEED_QDR; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 308 | props->port_cap_flags = IB_PORT_CM_SUP; |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 309 | props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; |
| 310 | props->max_msg_sz = mdev->dev->caps.max_msg_sz; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 311 | props->pkey_tbl_len = 1; |
Or Gerlitz | bcacb89 | 2011-10-10 10:53:41 +0200 | [diff] [blame] | 312 | props->max_mtu = IB_MTU_4096; |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 313 | props->max_vl_num = 2; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 314 | props->state = IB_PORT_DOWN; |
| 315 | props->phys_state = state_to_phys_state(props->state); |
| 316 | props->active_mtu = IB_MTU_256; |
| 317 | spin_lock(&iboe->lock); |
| 318 | ndev = iboe->netdevs[port - 1]; |
| 319 | if (!ndev) |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 320 | goto out_unlock; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 321 | |
| 322 | tmp = iboe_get_mtu(ndev->mtu); |
| 323 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; |
| 324 | |
Eli Cohen | 21d60609 | 2010-11-11 21:05:58 +0000 | [diff] [blame] | 325 | props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 326 | IB_PORT_ACTIVE : IB_PORT_DOWN; |
| 327 | props->phys_state = state_to_phys_state(props->state); |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 328 | out_unlock: |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 329 | spin_unlock(&iboe->lock); |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 330 | out: |
| 331 | mlx4_free_cmd_mailbox(mdev->dev, mailbox); |
| 332 | return err; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 333 | } |
| 334 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 335 | int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
| 336 | struct ib_port_attr *props, int netw_view) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 337 | { |
Or Gerlitz | a9c766b | 2012-01-11 19:00:29 +0200 | [diff] [blame] | 338 | int err; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 339 | |
| 340 | memset(props, 0, sizeof *props); |
| 341 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 342 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 343 | ib_link_query_port(ibdev, port, props, netw_view) : |
| 344 | eth_link_query_port(ibdev, port, props, netw_view); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 345 | |
| 346 | return err; |
| 347 | } |
| 348 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 349 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, |
| 350 | struct ib_port_attr *props) |
| 351 | { |
| 352 | /* returns host view */ |
| 353 | return __mlx4_ib_query_port(ibdev, port, props, 0); |
| 354 | } |
| 355 | |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 356 | int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
| 357 | union ib_gid *gid, int netw_view) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 358 | { |
| 359 | struct ib_smp *in_mad = NULL; |
| 360 | struct ib_smp *out_mad = NULL; |
| 361 | int err = -ENOMEM; |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 362 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
| 363 | int clear = 0; |
| 364 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 365 | |
| 366 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| 367 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| 368 | if (!in_mad || !out_mad) |
| 369 | goto out; |
| 370 | |
| 371 | init_query_mad(in_mad); |
| 372 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| 373 | in_mad->attr_mod = cpu_to_be32(port); |
| 374 | |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 375 | if (mlx4_is_mfunc(dev->dev) && netw_view) |
| 376 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; |
| 377 | |
| 378 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 379 | if (err) |
| 380 | goto out; |
| 381 | |
| 382 | memcpy(gid->raw, out_mad->data + 8, 8); |
| 383 | |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 384 | if (mlx4_is_mfunc(dev->dev) && !netw_view) { |
| 385 | if (index) { |
| 386 | /* For any index > 0, return the null guid */ |
| 387 | err = 0; |
| 388 | clear = 1; |
| 389 | goto out; |
| 390 | } |
| 391 | } |
| 392 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 393 | init_query_mad(in_mad); |
| 394 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; |
| 395 | in_mad->attr_mod = cpu_to_be32(index / 8); |
| 396 | |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 397 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 398 | NULL, NULL, in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 399 | if (err) |
| 400 | goto out; |
| 401 | |
| 402 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); |
| 403 | |
| 404 | out: |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 405 | if (clear) |
| 406 | memset(gid->raw + 8, 0, 8); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 407 | kfree(in_mad); |
| 408 | kfree(out_mad); |
| 409 | return err; |
| 410 | } |
| 411 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 412 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
| 413 | union ib_gid *gid) |
| 414 | { |
| 415 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
| 416 | |
| 417 | *gid = dev->iboe.gid_table[port - 1][index]; |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
| 423 | union ib_gid *gid) |
| 424 | { |
| 425 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 426 | return __mlx4_ib_query_gid(ibdev, port, index, gid, 0); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 427 | else |
| 428 | return iboe_query_gid(ibdev, port, index, gid); |
| 429 | } |
| 430 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 431 | int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
| 432 | u16 *pkey, int netw_view) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 433 | { |
| 434 | struct ib_smp *in_mad = NULL; |
| 435 | struct ib_smp *out_mad = NULL; |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 436 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 437 | int err = -ENOMEM; |
| 438 | |
| 439 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| 440 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| 441 | if (!in_mad || !out_mad) |
| 442 | goto out; |
| 443 | |
| 444 | init_query_mad(in_mad); |
| 445 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; |
| 446 | in_mad->attr_mod = cpu_to_be32(index / 32); |
| 447 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 448 | if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view) |
| 449 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; |
| 450 | |
| 451 | err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL, |
| 452 | in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 453 | if (err) |
| 454 | goto out; |
| 455 | |
| 456 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); |
| 457 | |
| 458 | out: |
| 459 | kfree(in_mad); |
| 460 | kfree(out_mad); |
| 461 | return err; |
| 462 | } |
| 463 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 464 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
| 465 | { |
| 466 | return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0); |
| 467 | } |
| 468 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 469 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, |
| 470 | struct ib_device_modify *props) |
| 471 | { |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 472 | struct mlx4_cmd_mailbox *mailbox; |
Jack Morgenstein | df7fba6 | 2012-08-03 08:26:45 +0000 | [diff] [blame] | 473 | unsigned long flags; |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 474 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 475 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) |
| 476 | return -EOPNOTSUPP; |
| 477 | |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 478 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) |
| 479 | return 0; |
| 480 | |
Jack Morgenstein | df7fba6 | 2012-08-03 08:26:45 +0000 | [diff] [blame] | 481 | spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags); |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 482 | memcpy(ibdev->node_desc, props->node_desc, 64); |
Jack Morgenstein | df7fba6 | 2012-08-03 08:26:45 +0000 | [diff] [blame] | 483 | spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags); |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 484 | |
| 485 | /* |
| 486 | * If possible, pass node desc to FW, so it can generate |
| 487 | * a 144 trap. If cmd fails, just ignore. |
| 488 | */ |
| 489 | mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); |
| 490 | if (IS_ERR(mailbox)) |
| 491 | return 0; |
| 492 | |
| 493 | memset(mailbox->buf, 0, 256); |
| 494 | memcpy(mailbox->buf, props->node_desc, 64); |
| 495 | mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, |
Jack Morgenstein | f9baff5 | 2011-12-13 04:10:51 +0000 | [diff] [blame] | 496 | MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
Jack Morgenstein | d0d68b8 | 2010-10-04 12:11:34 +0000 | [diff] [blame] | 497 | |
| 498 | mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, |
| 504 | u32 cap_mask) |
| 505 | { |
| 506 | struct mlx4_cmd_mailbox *mailbox; |
| 507 | int err; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 508 | u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 509 | |
| 510 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); |
| 511 | if (IS_ERR(mailbox)) |
| 512 | return PTR_ERR(mailbox); |
| 513 | |
| 514 | memset(mailbox->buf, 0, 256); |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 515 | |
| 516 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { |
| 517 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; |
| 518 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); |
| 519 | } else { |
| 520 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; |
| 521 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); |
| 522 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 523 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 524 | err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT, |
Jack Morgenstein | f9baff5 | 2011-12-13 04:10:51 +0000 | [diff] [blame] | 525 | MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 526 | |
| 527 | mlx4_free_cmd_mailbox(dev->dev, mailbox); |
| 528 | return err; |
| 529 | } |
| 530 | |
| 531 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, |
| 532 | struct ib_port_modify *props) |
| 533 | { |
| 534 | struct ib_port_attr attr; |
| 535 | u32 cap_mask; |
| 536 | int err; |
| 537 | |
| 538 | mutex_lock(&to_mdev(ibdev)->cap_mask_mutex); |
| 539 | |
| 540 | err = mlx4_ib_query_port(ibdev, port, &attr); |
| 541 | if (err) |
| 542 | goto out; |
| 543 | |
| 544 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & |
| 545 | ~props->clr_port_cap_mask; |
| 546 | |
| 547 | err = mlx4_SET_PORT(to_mdev(ibdev), port, |
| 548 | !!(mask & IB_PORT_RESET_QKEY_CNTR), |
| 549 | cap_mask); |
| 550 | |
| 551 | out: |
| 552 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); |
| 553 | return err; |
| 554 | } |
| 555 | |
| 556 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, |
| 557 | struct ib_udata *udata) |
| 558 | { |
| 559 | struct mlx4_ib_dev *dev = to_mdev(ibdev); |
| 560 | struct mlx4_ib_ucontext *context; |
| 561 | struct mlx4_ib_alloc_ucontext_resp resp; |
| 562 | int err; |
| 563 | |
Jack Morgenstein | 3b4a8cd | 2009-09-05 20:24:50 -0700 | [diff] [blame] | 564 | if (!dev->ib_active) |
| 565 | return ERR_PTR(-EAGAIN); |
| 566 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 567 | resp.qp_tab_size = dev->dev->caps.num_qps; |
| 568 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; |
| 569 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; |
| 570 | |
| 571 | context = kmalloc(sizeof *context, GFP_KERNEL); |
| 572 | if (!context) |
| 573 | return ERR_PTR(-ENOMEM); |
| 574 | |
| 575 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); |
| 576 | if (err) { |
| 577 | kfree(context); |
| 578 | return ERR_PTR(err); |
| 579 | } |
| 580 | |
| 581 | INIT_LIST_HEAD(&context->db_page_list); |
| 582 | mutex_init(&context->db_page_mutex); |
| 583 | |
| 584 | err = ib_copy_to_udata(udata, &resp, sizeof resp); |
| 585 | if (err) { |
| 586 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); |
| 587 | kfree(context); |
| 588 | return ERR_PTR(-EFAULT); |
| 589 | } |
| 590 | |
| 591 | return &context->ibucontext; |
| 592 | } |
| 593 | |
| 594 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) |
| 595 | { |
| 596 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); |
| 597 | |
| 598 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); |
| 599 | kfree(context); |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) |
| 605 | { |
| 606 | struct mlx4_ib_dev *dev = to_mdev(context->device); |
| 607 | |
| 608 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
| 609 | return -EINVAL; |
| 610 | |
| 611 | if (vma->vm_pgoff == 0) { |
| 612 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
| 613 | |
| 614 | if (io_remap_pfn_range(vma, vma->vm_start, |
| 615 | to_mucontext(context)->uar.pfn, |
| 616 | PAGE_SIZE, vma->vm_page_prot)) |
| 617 | return -EAGAIN; |
| 618 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { |
Roland Dreier | e1d60ec | 2009-03-30 08:31:05 -0700 | [diff] [blame] | 619 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 620 | |
| 621 | if (io_remap_pfn_range(vma, vma->vm_start, |
| 622 | to_mucontext(context)->uar.pfn + |
| 623 | dev->dev->caps.num_uars, |
| 624 | PAGE_SIZE, vma->vm_page_prot)) |
| 625 | return -EAGAIN; |
| 626 | } else |
| 627 | return -EINVAL; |
| 628 | |
| 629 | return 0; |
| 630 | } |
| 631 | |
| 632 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, |
| 633 | struct ib_ucontext *context, |
| 634 | struct ib_udata *udata) |
| 635 | { |
| 636 | struct mlx4_ib_pd *pd; |
| 637 | int err; |
| 638 | |
| 639 | pd = kmalloc(sizeof *pd, GFP_KERNEL); |
| 640 | if (!pd) |
| 641 | return ERR_PTR(-ENOMEM); |
| 642 | |
| 643 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); |
| 644 | if (err) { |
| 645 | kfree(pd); |
| 646 | return ERR_PTR(err); |
| 647 | } |
| 648 | |
| 649 | if (context) |
| 650 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { |
| 651 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); |
| 652 | kfree(pd); |
| 653 | return ERR_PTR(-EFAULT); |
| 654 | } |
| 655 | |
| 656 | return &pd->ibpd; |
| 657 | } |
| 658 | |
| 659 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) |
| 660 | { |
| 661 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); |
| 662 | kfree(pd); |
| 663 | |
| 664 | return 0; |
| 665 | } |
| 666 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 667 | static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev, |
| 668 | struct ib_ucontext *context, |
| 669 | struct ib_udata *udata) |
| 670 | { |
| 671 | struct mlx4_ib_xrcd *xrcd; |
| 672 | int err; |
| 673 | |
| 674 | if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)) |
| 675 | return ERR_PTR(-ENOSYS); |
| 676 | |
| 677 | xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL); |
| 678 | if (!xrcd) |
| 679 | return ERR_PTR(-ENOMEM); |
| 680 | |
| 681 | err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn); |
| 682 | if (err) |
| 683 | goto err1; |
| 684 | |
| 685 | xrcd->pd = ib_alloc_pd(ibdev); |
| 686 | if (IS_ERR(xrcd->pd)) { |
| 687 | err = PTR_ERR(xrcd->pd); |
| 688 | goto err2; |
| 689 | } |
| 690 | |
| 691 | xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0); |
| 692 | if (IS_ERR(xrcd->cq)) { |
| 693 | err = PTR_ERR(xrcd->cq); |
| 694 | goto err3; |
| 695 | } |
| 696 | |
| 697 | return &xrcd->ibxrcd; |
| 698 | |
| 699 | err3: |
| 700 | ib_dealloc_pd(xrcd->pd); |
| 701 | err2: |
| 702 | mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn); |
| 703 | err1: |
| 704 | kfree(xrcd); |
| 705 | return ERR_PTR(err); |
| 706 | } |
| 707 | |
| 708 | static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd) |
| 709 | { |
| 710 | ib_destroy_cq(to_mxrcd(xrcd)->cq); |
| 711 | ib_dealloc_pd(to_mxrcd(xrcd)->pd); |
| 712 | mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn); |
| 713 | kfree(xrcd); |
| 714 | |
| 715 | return 0; |
| 716 | } |
| 717 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 718 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
| 719 | { |
| 720 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
| 721 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); |
| 722 | struct mlx4_ib_gid_entry *ge; |
| 723 | |
| 724 | ge = kzalloc(sizeof *ge, GFP_KERNEL); |
| 725 | if (!ge) |
| 726 | return -ENOMEM; |
| 727 | |
| 728 | ge->gid = *gid; |
| 729 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { |
| 730 | ge->port = mqp->port; |
| 731 | ge->added = 1; |
| 732 | } |
| 733 | |
| 734 | mutex_lock(&mqp->mutex); |
| 735 | list_add_tail(&ge->list, &mqp->gid_list); |
| 736 | mutex_unlock(&mqp->mutex); |
| 737 | |
| 738 | return 0; |
| 739 | } |
| 740 | |
| 741 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, |
| 742 | union ib_gid *gid) |
| 743 | { |
| 744 | u8 mac[6]; |
| 745 | struct net_device *ndev; |
| 746 | int ret = 0; |
| 747 | |
| 748 | if (!mqp->port) |
| 749 | return 0; |
| 750 | |
| 751 | spin_lock(&mdev->iboe.lock); |
| 752 | ndev = mdev->iboe.netdevs[mqp->port - 1]; |
| 753 | if (ndev) |
| 754 | dev_hold(ndev); |
| 755 | spin_unlock(&mdev->iboe.lock); |
| 756 | |
| 757 | if (ndev) { |
| 758 | rdma_get_mcast_mac((struct in6_addr *)gid, mac); |
| 759 | rtnl_lock(); |
| 760 | dev_mc_add(mdev->iboe.netdevs[mqp->port - 1], mac); |
| 761 | ret = 1; |
| 762 | rtnl_unlock(); |
| 763 | dev_put(ndev); |
| 764 | } |
| 765 | |
| 766 | return ret; |
| 767 | } |
| 768 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 769 | struct mlx4_ib_steering { |
| 770 | struct list_head list; |
| 771 | u64 reg_id; |
| 772 | union ib_gid gid; |
| 773 | }; |
| 774 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 775 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
| 776 | { |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 777 | int err; |
| 778 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); |
| 779 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 780 | u64 reg_id; |
| 781 | struct mlx4_ib_steering *ib_steering = NULL; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 782 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 783 | if (mdev->dev->caps.steering_mode == |
| 784 | MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 785 | ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL); |
| 786 | if (!ib_steering) |
| 787 | return -ENOMEM; |
| 788 | } |
| 789 | |
| 790 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port, |
| 791 | !!(mqp->flags & |
| 792 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK), |
| 793 | MLX4_PROT_IB_IPV6, ®_id); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 794 | if (err) |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 795 | goto err_malloc; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 796 | |
| 797 | err = add_gid_entry(ibqp, gid); |
| 798 | if (err) |
| 799 | goto err_add; |
| 800 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 801 | if (ib_steering) { |
| 802 | memcpy(ib_steering->gid.raw, gid->raw, 16); |
| 803 | ib_steering->reg_id = reg_id; |
| 804 | mutex_lock(&mqp->mutex); |
| 805 | list_add(&ib_steering->list, &mqp->steering_rules); |
| 806 | mutex_unlock(&mqp->mutex); |
| 807 | } |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 808 | return 0; |
| 809 | |
| 810 | err_add: |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 811 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
| 812 | MLX4_PROT_IB_IPV6, reg_id); |
| 813 | err_malloc: |
| 814 | kfree(ib_steering); |
| 815 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 816 | return err; |
| 817 | } |
| 818 | |
| 819 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) |
| 820 | { |
| 821 | struct mlx4_ib_gid_entry *ge; |
| 822 | struct mlx4_ib_gid_entry *tmp; |
| 823 | struct mlx4_ib_gid_entry *ret = NULL; |
| 824 | |
| 825 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { |
| 826 | if (!memcmp(raw, ge->gid.raw, 16)) { |
| 827 | ret = ge; |
| 828 | break; |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | return ret; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
| 836 | { |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 837 | int err; |
| 838 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); |
| 839 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); |
| 840 | u8 mac[6]; |
| 841 | struct net_device *ndev; |
| 842 | struct mlx4_ib_gid_entry *ge; |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 843 | u64 reg_id = 0; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 844 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 845 | if (mdev->dev->caps.steering_mode == |
| 846 | MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 847 | struct mlx4_ib_steering *ib_steering; |
| 848 | |
| 849 | mutex_lock(&mqp->mutex); |
| 850 | list_for_each_entry(ib_steering, &mqp->steering_rules, list) { |
| 851 | if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) { |
| 852 | list_del(&ib_steering->list); |
| 853 | break; |
| 854 | } |
| 855 | } |
| 856 | mutex_unlock(&mqp->mutex); |
| 857 | if (&ib_steering->list == &mqp->steering_rules) { |
| 858 | pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n"); |
| 859 | return -EINVAL; |
| 860 | } |
| 861 | reg_id = ib_steering->reg_id; |
| 862 | kfree(ib_steering); |
| 863 | } |
| 864 | |
| 865 | err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, |
| 866 | MLX4_PROT_IB_IPV6, reg_id); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 867 | if (err) |
| 868 | return err; |
| 869 | |
| 870 | mutex_lock(&mqp->mutex); |
| 871 | ge = find_gid_entry(mqp, gid->raw); |
| 872 | if (ge) { |
| 873 | spin_lock(&mdev->iboe.lock); |
| 874 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; |
| 875 | if (ndev) |
| 876 | dev_hold(ndev); |
| 877 | spin_unlock(&mdev->iboe.lock); |
| 878 | rdma_get_mcast_mac((struct in6_addr *)gid, mac); |
| 879 | if (ndev) { |
| 880 | rtnl_lock(); |
| 881 | dev_mc_del(mdev->iboe.netdevs[ge->port - 1], mac); |
| 882 | rtnl_unlock(); |
| 883 | dev_put(ndev); |
| 884 | } |
| 885 | list_del(&ge->list); |
| 886 | kfree(ge); |
| 887 | } else |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 888 | pr_warn("could not find mgid entry\n"); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 889 | |
| 890 | mutex_unlock(&mqp->mutex); |
| 891 | |
| 892 | return 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 893 | } |
| 894 | |
| 895 | static int init_node_data(struct mlx4_ib_dev *dev) |
| 896 | { |
| 897 | struct ib_smp *in_mad = NULL; |
| 898 | struct ib_smp *out_mad = NULL; |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 899 | int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 900 | int err = -ENOMEM; |
| 901 | |
| 902 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); |
| 903 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); |
| 904 | if (!in_mad || !out_mad) |
| 905 | goto out; |
| 906 | |
| 907 | init_query_mad(in_mad); |
| 908 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 909 | if (mlx4_is_master(dev->dev)) |
| 910 | mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 911 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 912 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 913 | if (err) |
| 914 | goto out; |
| 915 | |
| 916 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); |
| 917 | |
| 918 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| 919 | |
Jack Morgenstein | 0a9a018 | 2012-08-03 08:40:45 +0000 | [diff] [blame] | 920 | err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 921 | if (err) |
| 922 | goto out; |
| 923 | |
| 924 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
| 925 | |
| 926 | out: |
| 927 | kfree(in_mad); |
| 928 | kfree(out_mad); |
| 929 | return err; |
| 930 | } |
| 931 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 932 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
| 933 | char *buf) |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 934 | { |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 935 | struct mlx4_ib_dev *dev = |
| 936 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 937 | return sprintf(buf, "MT%d\n", dev->dev->pdev->device); |
| 938 | } |
| 939 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 940 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
| 941 | char *buf) |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 942 | { |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 943 | struct mlx4_ib_dev *dev = |
| 944 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 945 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
| 946 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, |
| 947 | (int) dev->dev->caps.fw_ver & 0xffff); |
| 948 | } |
| 949 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 950 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
| 951 | char *buf) |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 952 | { |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 953 | struct mlx4_ib_dev *dev = |
| 954 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 955 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
| 956 | } |
| 957 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 958 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
| 959 | char *buf) |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 960 | { |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 961 | struct mlx4_ib_dev *dev = |
| 962 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); |
| 963 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, |
| 964 | dev->dev->board_id); |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 965 | } |
| 966 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 967 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
| 968 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); |
| 969 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
| 970 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 971 | |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 972 | static struct device_attribute *mlx4_class_attributes[] = { |
| 973 | &dev_attr_hw_rev, |
| 974 | &dev_attr_fw_ver, |
| 975 | &dev_attr_hca_type, |
| 976 | &dev_attr_board_id |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 977 | }; |
| 978 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 979 | static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, struct net_device *dev) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 980 | { |
| 981 | memcpy(eui, dev->dev_addr, 3); |
| 982 | memcpy(eui + 5, dev->dev_addr + 3, 3); |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 983 | if (vlan_id < 0x1000) { |
| 984 | eui[3] = vlan_id >> 8; |
| 985 | eui[4] = vlan_id & 0xff; |
| 986 | } else { |
| 987 | eui[3] = 0xff; |
| 988 | eui[4] = 0xfe; |
| 989 | } |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 990 | eui[0] ^= 2; |
| 991 | } |
| 992 | |
| 993 | static void update_gids_task(struct work_struct *work) |
| 994 | { |
| 995 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); |
| 996 | struct mlx4_cmd_mailbox *mailbox; |
| 997 | union ib_gid *gids; |
| 998 | int err; |
| 999 | struct mlx4_dev *dev = gw->dev->dev; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1000 | |
| 1001 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 1002 | if (IS_ERR(mailbox)) { |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1003 | pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox)); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | gids = mailbox->buf; |
| 1008 | memcpy(gids, gw->gids, sizeof gw->gids); |
| 1009 | |
| 1010 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, |
Jack Morgenstein | f9baff5 | 2011-12-13 04:10:51 +0000 | [diff] [blame] | 1011 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, |
| 1012 | MLX4_CMD_NATIVE); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1013 | if (err) |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1014 | pr_warn("set port command failed\n"); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1015 | else { |
| 1016 | memcpy(gw->dev->iboe.gid_table[gw->port - 1], gw->gids, sizeof gw->gids); |
Jack Morgenstein | 00f5ce9 | 2012-06-19 11:21:40 +0300 | [diff] [blame] | 1017 | mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 1021 | kfree(gw); |
| 1022 | } |
| 1023 | |
| 1024 | static int update_ipv6_gids(struct mlx4_ib_dev *dev, int port, int clear) |
| 1025 | { |
| 1026 | struct net_device *ndev = dev->iboe.netdevs[port - 1]; |
| 1027 | struct update_gid_work *work; |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1028 | struct net_device *tmp; |
| 1029 | int i; |
| 1030 | u8 *hits; |
| 1031 | int ret; |
| 1032 | union ib_gid gid; |
| 1033 | int free; |
| 1034 | int found; |
| 1035 | int need_update = 0; |
| 1036 | u16 vid; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1037 | |
| 1038 | work = kzalloc(sizeof *work, GFP_ATOMIC); |
| 1039 | if (!work) |
| 1040 | return -ENOMEM; |
| 1041 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1042 | hits = kzalloc(128, GFP_ATOMIC); |
| 1043 | if (!hits) { |
| 1044 | ret = -ENOMEM; |
| 1045 | goto out; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1046 | } |
| 1047 | |
Eric Dumazet | 22f4fbd | 2010-11-24 11:41:56 -0800 | [diff] [blame] | 1048 | rcu_read_lock(); |
| 1049 | for_each_netdev_rcu(&init_net, tmp) { |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1050 | if (ndev && (tmp == ndev || rdma_vlan_dev_real_dev(tmp) == ndev)) { |
| 1051 | gid.global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); |
| 1052 | vid = rdma_vlan_dev_vlan_id(tmp); |
| 1053 | mlx4_addrconf_ifid_eui48(&gid.raw[8], vid, ndev); |
| 1054 | found = 0; |
| 1055 | free = -1; |
| 1056 | for (i = 0; i < 128; ++i) { |
| 1057 | if (free < 0 && |
| 1058 | !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid)) |
| 1059 | free = i; |
| 1060 | if (!memcmp(&dev->iboe.gid_table[port - 1][i], &gid, sizeof gid)) { |
| 1061 | hits[i] = 1; |
| 1062 | found = 1; |
| 1063 | break; |
| 1064 | } |
| 1065 | } |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1066 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1067 | if (!found) { |
| 1068 | if (tmp == ndev && |
| 1069 | (memcmp(&dev->iboe.gid_table[port - 1][0], |
| 1070 | &gid, sizeof gid) || |
| 1071 | !memcmp(&dev->iboe.gid_table[port - 1][0], |
| 1072 | &zgid, sizeof gid))) { |
| 1073 | dev->iboe.gid_table[port - 1][0] = gid; |
| 1074 | ++need_update; |
| 1075 | hits[0] = 1; |
| 1076 | } else if (free >= 0) { |
| 1077 | dev->iboe.gid_table[port - 1][free] = gid; |
| 1078 | hits[free] = 1; |
| 1079 | ++need_update; |
| 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | } |
Eric Dumazet | 22f4fbd | 2010-11-24 11:41:56 -0800 | [diff] [blame] | 1084 | rcu_read_unlock(); |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1085 | |
| 1086 | for (i = 0; i < 128; ++i) |
| 1087 | if (!hits[i]) { |
| 1088 | if (memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid)) |
| 1089 | ++need_update; |
| 1090 | dev->iboe.gid_table[port - 1][i] = zgid; |
| 1091 | } |
| 1092 | |
| 1093 | if (need_update) { |
| 1094 | memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof work->gids); |
| 1095 | INIT_WORK(&work->work, update_gids_task); |
| 1096 | work->port = port; |
| 1097 | work->dev = dev; |
| 1098 | queue_work(wq, &work->work); |
| 1099 | } else |
| 1100 | kfree(work); |
| 1101 | |
| 1102 | kfree(hits); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1103 | return 0; |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1104 | |
| 1105 | out: |
| 1106 | kfree(work); |
| 1107 | return ret; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1108 | } |
| 1109 | |
| 1110 | static void handle_en_event(struct mlx4_ib_dev *dev, int port, unsigned long event) |
| 1111 | { |
| 1112 | switch (event) { |
| 1113 | case NETDEV_UP: |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1114 | case NETDEV_CHANGEADDR: |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1115 | update_ipv6_gids(dev, port, 0); |
| 1116 | break; |
| 1117 | |
| 1118 | case NETDEV_DOWN: |
| 1119 | update_ipv6_gids(dev, port, 1); |
| 1120 | dev->iboe.netdevs[port - 1] = NULL; |
| 1121 | } |
| 1122 | } |
| 1123 | |
| 1124 | static void netdev_added(struct mlx4_ib_dev *dev, int port) |
| 1125 | { |
| 1126 | update_ipv6_gids(dev, port, 0); |
| 1127 | } |
| 1128 | |
| 1129 | static void netdev_removed(struct mlx4_ib_dev *dev, int port) |
| 1130 | { |
| 1131 | update_ipv6_gids(dev, port, 1); |
| 1132 | } |
| 1133 | |
| 1134 | static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event, |
| 1135 | void *ptr) |
| 1136 | { |
| 1137 | struct net_device *dev = ptr; |
| 1138 | struct mlx4_ib_dev *ibdev; |
| 1139 | struct net_device *oldnd; |
| 1140 | struct mlx4_ib_iboe *iboe; |
| 1141 | int port; |
| 1142 | |
| 1143 | if (!net_eq(dev_net(dev), &init_net)) |
| 1144 | return NOTIFY_DONE; |
| 1145 | |
| 1146 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); |
| 1147 | iboe = &ibdev->iboe; |
| 1148 | |
| 1149 | spin_lock(&iboe->lock); |
| 1150 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { |
| 1151 | oldnd = iboe->netdevs[port - 1]; |
| 1152 | iboe->netdevs[port - 1] = |
Yevgeny Petrilin | 0345584 | 2011-03-22 22:38:17 +0000 | [diff] [blame] | 1153 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1154 | if (oldnd != iboe->netdevs[port - 1]) { |
| 1155 | if (iboe->netdevs[port - 1]) |
| 1156 | netdev_added(ibdev, port); |
| 1157 | else |
| 1158 | netdev_removed(ibdev, port); |
| 1159 | } |
| 1160 | } |
| 1161 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1162 | if (dev == iboe->netdevs[0] || |
| 1163 | (iboe->netdevs[0] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[0])) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1164 | handle_en_event(ibdev, 1, event); |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 1165 | else if (dev == iboe->netdevs[1] |
| 1166 | || (iboe->netdevs[1] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[1])) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1167 | handle_en_event(ibdev, 2, event); |
| 1168 | |
| 1169 | spin_unlock(&iboe->lock); |
| 1170 | |
| 1171 | return NOTIFY_DONE; |
| 1172 | } |
| 1173 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1174 | static void init_pkeys(struct mlx4_ib_dev *ibdev) |
| 1175 | { |
| 1176 | int port; |
| 1177 | int slave; |
| 1178 | int i; |
| 1179 | |
| 1180 | if (mlx4_is_master(ibdev->dev)) { |
| 1181 | for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) { |
| 1182 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { |
| 1183 | for (i = 0; |
| 1184 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; |
| 1185 | ++i) { |
| 1186 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] = |
| 1187 | /* master has the identity virt2phys pkey mapping */ |
| 1188 | (slave == mlx4_master_func_num(ibdev->dev) || !i) ? i : |
| 1189 | ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1; |
| 1190 | mlx4_sync_pkey_table(ibdev->dev, slave, port, i, |
| 1191 | ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]); |
| 1192 | } |
| 1193 | } |
| 1194 | } |
| 1195 | /* initialize pkey cache */ |
| 1196 | for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) { |
| 1197 | for (i = 0; |
| 1198 | i < ibdev->dev->phys_caps.pkey_phys_table_len[port]; |
| 1199 | ++i) |
| 1200 | ibdev->pkeys.phys_pkey_cache[port-1][i] = |
| 1201 | (i) ? 0 : 0xFFFF; |
| 1202 | } |
| 1203 | } |
| 1204 | } |
| 1205 | |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1206 | static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
| 1207 | { |
| 1208 | char name[32]; |
| 1209 | int eq_per_port = 0; |
| 1210 | int added_eqs = 0; |
| 1211 | int total_eqs = 0; |
| 1212 | int i, j, eq; |
| 1213 | |
Shlomo Pongratz | 3aac6ff | 2012-05-24 16:08:07 +0300 | [diff] [blame] | 1214 | /* Legacy mode or comp_pool is not large enough */ |
| 1215 | if (dev->caps.comp_pool == 0 || |
| 1216 | dev->caps.num_ports > dev->caps.comp_pool) |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1217 | return; |
| 1218 | |
| 1219 | eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/ |
| 1220 | dev->caps.num_ports); |
| 1221 | |
| 1222 | /* Init eq table */ |
| 1223 | added_eqs = 0; |
| 1224 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) |
| 1225 | added_eqs += eq_per_port; |
| 1226 | |
| 1227 | total_eqs = dev->caps.num_comp_vectors + added_eqs; |
| 1228 | |
| 1229 | ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL); |
| 1230 | if (!ibdev->eq_table) |
| 1231 | return; |
| 1232 | |
| 1233 | ibdev->eq_added = added_eqs; |
| 1234 | |
| 1235 | eq = 0; |
| 1236 | mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) { |
| 1237 | for (j = 0; j < eq_per_port; j++) { |
| 1238 | sprintf(name, "mlx4-ib-%d-%d@%s", |
| 1239 | i, j, dev->pdev->bus->name); |
| 1240 | /* Set IRQ for specific name (per ring) */ |
Amir Vadai | d9236c3 | 2012-07-18 22:33:51 +0000 | [diff] [blame] | 1241 | if (mlx4_assign_eq(dev, name, NULL, |
| 1242 | &ibdev->eq_table[eq])) { |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1243 | /* Use legacy (same as mlx4_en driver) */ |
| 1244 | pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq); |
| 1245 | ibdev->eq_table[eq] = |
| 1246 | (eq % dev->caps.num_comp_vectors); |
| 1247 | } |
| 1248 | eq++; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | /* Fill the reset of the vector with legacy EQ */ |
| 1253 | for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++) |
| 1254 | ibdev->eq_table[eq++] = i; |
| 1255 | |
| 1256 | /* Advertise the new number of EQs to clients */ |
| 1257 | ibdev->ib_dev.num_comp_vectors = total_eqs; |
| 1258 | } |
| 1259 | |
| 1260 | static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev) |
| 1261 | { |
| 1262 | int i; |
Shlomo Pongratz | 3aac6ff | 2012-05-24 16:08:07 +0300 | [diff] [blame] | 1263 | |
| 1264 | /* no additional eqs were added */ |
| 1265 | if (!ibdev->eq_table) |
| 1266 | return; |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1267 | |
| 1268 | /* Reset the advertised EQ number */ |
| 1269 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
| 1270 | |
| 1271 | /* Free only the added eqs */ |
| 1272 | for (i = 0; i < ibdev->eq_added; i++) { |
| 1273 | /* Don't free legacy eqs if used */ |
| 1274 | if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors) |
| 1275 | continue; |
| 1276 | mlx4_release_eq(dev, ibdev->eq_table[i]); |
| 1277 | } |
| 1278 | |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1279 | kfree(ibdev->eq_table); |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1280 | } |
| 1281 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1282 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
| 1283 | { |
| 1284 | struct mlx4_ib_dev *ibdev; |
Roland Dreier | 22e7ef9 | 2009-01-09 13:22:29 -0800 | [diff] [blame] | 1285 | int num_ports = 0; |
Jack Morgenstein | 035b103 | 2012-05-10 23:28:09 +0300 | [diff] [blame] | 1286 | int i, j; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1287 | int err; |
| 1288 | struct mlx4_ib_iboe *iboe; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1289 | |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1290 | pr_info_once("%s", mlx4_ib_version); |
Roland Dreier | 68f3948 | 2008-02-04 20:20:44 -0800 | [diff] [blame] | 1291 | |
Jack Morgenstein | 8e59d25 | 2011-12-13 04:15:46 +0000 | [diff] [blame] | 1292 | if (mlx4_is_mfunc(dev)) { |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1293 | pr_warn("IB not yet supported in SRIOV\n"); |
Jack Morgenstein | 8e59d25 | 2011-12-13 04:15:46 +0000 | [diff] [blame] | 1294 | return NULL; |
| 1295 | } |
| 1296 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1297 | mlx4_foreach_ib_transport_port(i, dev) |
Roland Dreier | 22e7ef9 | 2009-01-09 13:22:29 -0800 | [diff] [blame] | 1298 | num_ports++; |
| 1299 | |
| 1300 | /* No point in registering a device with no ports... */ |
| 1301 | if (num_ports == 0) |
| 1302 | return NULL; |
| 1303 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1304 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
| 1305 | if (!ibdev) { |
| 1306 | dev_err(&dev->pdev->dev, "Device struct alloc failed\n"); |
| 1307 | return NULL; |
| 1308 | } |
| 1309 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1310 | iboe = &ibdev->iboe; |
| 1311 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1312 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
| 1313 | goto err_dealloc; |
| 1314 | |
| 1315 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) |
| 1316 | goto err_pd; |
| 1317 | |
Roland Dreier | 4979d18 | 2011-01-12 09:50:36 -0800 | [diff] [blame] | 1318 | ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT, |
| 1319 | PAGE_SIZE); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1320 | if (!ibdev->uar_map) |
| 1321 | goto err_uar; |
Jack Morgenstein | 26c6bc7 | 2007-05-13 17:18:23 +0300 | [diff] [blame] | 1322 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1323 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1324 | ibdev->dev = dev; |
| 1325 | |
| 1326 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); |
| 1327 | ibdev->ib_dev.owner = THIS_MODULE; |
| 1328 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; |
Roland Dreier | 95d04f0 | 2008-07-23 08:12:26 -0700 | [diff] [blame] | 1329 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
Roland Dreier | 22e7ef9 | 2009-01-09 13:22:29 -0800 | [diff] [blame] | 1330 | ibdev->num_ports = num_ports; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1331 | ibdev->ib_dev.phys_port_cnt = ibdev->num_ports; |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 1332 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1333 | ibdev->ib_dev.dma_device = &dev->pdev->dev; |
| 1334 | |
| 1335 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; |
| 1336 | ibdev->ib_dev.uverbs_cmd_mask = |
| 1337 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | |
| 1338 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | |
| 1339 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | |
| 1340 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | |
| 1341 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | |
| 1342 | (1ull << IB_USER_VERBS_CMD_REG_MR) | |
| 1343 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
| 1344 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | |
| 1345 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | |
Vladimir Sokolovsky | bbf8eed1 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 1346 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1347 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
| 1348 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | |
| 1349 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | |
Jack Morgenstein | 6a775e2 | 2007-06-21 12:27:47 +0300 | [diff] [blame] | 1350 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1351 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
| 1352 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | |
| 1353 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | |
| 1354 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | |
| 1355 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | |
Jack Morgenstein | 65541cb | 2007-06-21 13:03:11 +0300 | [diff] [blame] | 1356 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
Sean Hefty | 18abd5e | 2011-06-02 10:43:26 -0700 | [diff] [blame] | 1357 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | |
Sean Hefty | 42849b2 | 2011-08-11 13:57:43 -0700 | [diff] [blame] | 1358 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | |
| 1359 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1360 | |
| 1361 | ibdev->ib_dev.query_device = mlx4_ib_query_device; |
| 1362 | ibdev->ib_dev.query_port = mlx4_ib_query_port; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1363 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1364 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
| 1365 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; |
| 1366 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; |
| 1367 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; |
| 1368 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; |
| 1369 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; |
| 1370 | ibdev->ib_dev.mmap = mlx4_ib_mmap; |
| 1371 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; |
| 1372 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; |
| 1373 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; |
| 1374 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; |
| 1375 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; |
| 1376 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; |
| 1377 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; |
Jack Morgenstein | 65541cb | 2007-06-21 13:03:11 +0300 | [diff] [blame] | 1378 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1379 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
| 1380 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; |
| 1381 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; |
| 1382 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; |
Jack Morgenstein | 6a775e2 | 2007-06-21 12:27:47 +0300 | [diff] [blame] | 1383 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1384 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
| 1385 | ibdev->ib_dev.post_send = mlx4_ib_post_send; |
| 1386 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; |
| 1387 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; |
Eli Cohen | 3fdcb97 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 1388 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
Vladimir Sokolovsky | bbf8eed1 | 2008-04-16 21:09:33 -0700 | [diff] [blame] | 1389 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1390 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
| 1391 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; |
| 1392 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; |
| 1393 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; |
| 1394 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; |
| 1395 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; |
Roland Dreier | 95d04f0 | 2008-07-23 08:12:26 -0700 | [diff] [blame] | 1396 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
| 1397 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; |
| 1398 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1399 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
| 1400 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; |
| 1401 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; |
| 1402 | |
Jack Morgenstein | 8ad11fb | 2007-08-01 12:29:05 +0300 | [diff] [blame] | 1403 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; |
| 1404 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; |
| 1405 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; |
| 1406 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; |
| 1407 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 1408 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) { |
| 1409 | ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd; |
| 1410 | ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd; |
| 1411 | ibdev->ib_dev.uverbs_cmd_mask |= |
| 1412 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | |
| 1413 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); |
| 1414 | } |
| 1415 | |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1416 | mlx4_ib_alloc_eqs(dev, ibdev); |
| 1417 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1418 | spin_lock_init(&iboe->lock); |
| 1419 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1420 | if (init_node_data(ibdev)) |
| 1421 | goto err_map; |
| 1422 | |
Or Gerlitz | cfcde11 | 2011-06-15 14:49:57 +0000 | [diff] [blame] | 1423 | for (i = 0; i < ibdev->num_ports; ++i) { |
| 1424 | if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == |
| 1425 | IB_LINK_LAYER_ETHERNET) { |
| 1426 | err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]); |
| 1427 | if (err) |
| 1428 | ibdev->counters[i] = -1; |
| 1429 | } else |
| 1430 | ibdev->counters[i] = -1; |
| 1431 | } |
| 1432 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1433 | spin_lock_init(&ibdev->sm_lock); |
| 1434 | mutex_init(&ibdev->cap_mask_mutex); |
| 1435 | |
Ralph Campbell | 9a6edb6 | 2010-05-06 17:03:25 -0700 | [diff] [blame] | 1436 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
Or Gerlitz | cfcde11 | 2011-06-15 14:49:57 +0000 | [diff] [blame] | 1437 | goto err_counter; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1438 | |
| 1439 | if (mlx4_ib_mad_init(ibdev)) |
| 1440 | goto err_reg; |
| 1441 | |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1442 | if (mlx4_ib_init_sriov(ibdev)) |
| 1443 | goto err_mad; |
| 1444 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1445 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE && !iboe->nb.notifier_call) { |
| 1446 | iboe->nb.notifier_call = mlx4_ib_netdev_event; |
| 1447 | err = register_netdevice_notifier(&iboe->nb); |
| 1448 | if (err) |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1449 | goto err_sriov; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1450 | } |
| 1451 | |
Jack Morgenstein | 035b103 | 2012-05-10 23:28:09 +0300 | [diff] [blame] | 1452 | for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) { |
Tony Jones | f4e91eb | 2008-02-22 00:13:36 +0100 | [diff] [blame] | 1453 | if (device_create_file(&ibdev->ib_dev.dev, |
Jack Morgenstein | 035b103 | 2012-05-10 23:28:09 +0300 | [diff] [blame] | 1454 | mlx4_class_attributes[j])) |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1455 | goto err_notif; |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 1456 | } |
| 1457 | |
Jack Morgenstein | 3b4a8cd | 2009-09-05 20:24:50 -0700 | [diff] [blame] | 1458 | ibdev->ib_active = true; |
| 1459 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1460 | if (mlx4_is_mfunc(ibdev->dev)) |
| 1461 | init_pkeys(ibdev); |
| 1462 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1463 | return ibdev; |
| 1464 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1465 | err_notif: |
| 1466 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1467 | pr_warn("failure unregistering notifier\n"); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1468 | flush_workqueue(wq); |
| 1469 | |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1470 | err_sriov: |
| 1471 | mlx4_ib_close_sriov(ibdev); |
| 1472 | |
| 1473 | err_mad: |
| 1474 | mlx4_ib_mad_cleanup(ibdev); |
| 1475 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1476 | err_reg: |
| 1477 | ib_unregister_device(&ibdev->ib_dev); |
| 1478 | |
Or Gerlitz | cfcde11 | 2011-06-15 14:49:57 +0000 | [diff] [blame] | 1479 | err_counter: |
| 1480 | for (; i; --i) |
Roland Dreier | 4af3ce0 | 2011-12-06 10:47:37 -0800 | [diff] [blame] | 1481 | if (ibdev->counters[i - 1] != -1) |
| 1482 | mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]); |
Or Gerlitz | cfcde11 | 2011-06-15 14:49:57 +0000 | [diff] [blame] | 1483 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1484 | err_map: |
| 1485 | iounmap(ibdev->uar_map); |
| 1486 | |
| 1487 | err_uar: |
| 1488 | mlx4_uar_free(dev, &ibdev->priv_uar); |
| 1489 | |
| 1490 | err_pd: |
| 1491 | mlx4_pd_free(dev, ibdev->priv_pdn); |
| 1492 | |
| 1493 | err_dealloc: |
| 1494 | ib_dealloc_device(&ibdev->ib_dev); |
| 1495 | |
| 1496 | return NULL; |
| 1497 | } |
| 1498 | |
| 1499 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) |
| 1500 | { |
| 1501 | struct mlx4_ib_dev *ibdev = ibdev_ptr; |
| 1502 | int p; |
| 1503 | |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1504 | mlx4_ib_close_sriov(ibdev); |
Yevgeny Petrilin | a6a4777 | 2009-03-18 19:49:54 -0700 | [diff] [blame] | 1505 | mlx4_ib_mad_cleanup(ibdev); |
| 1506 | ib_unregister_device(&ibdev->ib_dev); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1507 | if (ibdev->iboe.nb.notifier_call) { |
| 1508 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) |
Shlomo Pongratz | 987c8f8 | 2012-04-29 17:04:26 +0300 | [diff] [blame] | 1509 | pr_warn("failure unregistering notifier\n"); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1510 | ibdev->iboe.nb.notifier_call = NULL; |
| 1511 | } |
| 1512 | iounmap(ibdev->uar_map); |
Or Gerlitz | cfcde11 | 2011-06-15 14:49:57 +0000 | [diff] [blame] | 1513 | for (p = 0; p < ibdev->num_ports; ++p) |
Roland Dreier | 4af3ce0 | 2011-12-06 10:47:37 -0800 | [diff] [blame] | 1514 | if (ibdev->counters[p] != -1) |
| 1515 | mlx4_counter_free(ibdev->dev, ibdev->counters[p]); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1516 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1517 | mlx4_CLOSE_PORT(dev, p); |
| 1518 | |
Shlomo Pongratz | e605b74 | 2012-04-29 17:04:27 +0300 | [diff] [blame] | 1519 | mlx4_ib_free_eqs(dev, ibdev); |
| 1520 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1521 | mlx4_uar_free(dev, &ibdev->priv_uar); |
| 1522 | mlx4_pd_free(dev, ibdev->priv_pdn); |
| 1523 | ib_dealloc_device(&ibdev->ib_dev); |
| 1524 | } |
| 1525 | |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1526 | static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) |
| 1527 | { |
| 1528 | struct mlx4_ib_demux_work **dm = NULL; |
| 1529 | struct mlx4_dev *dev = ibdev->dev; |
| 1530 | int i; |
| 1531 | unsigned long flags; |
| 1532 | |
| 1533 | if (!mlx4_is_master(dev)) |
| 1534 | return; |
| 1535 | |
| 1536 | dm = kcalloc(dev->caps.num_ports, sizeof *dm, GFP_ATOMIC); |
| 1537 | if (!dm) { |
| 1538 | pr_err("failed to allocate memory for tunneling qp update\n"); |
| 1539 | goto out; |
| 1540 | } |
| 1541 | |
| 1542 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 1543 | dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); |
| 1544 | if (!dm[i]) { |
| 1545 | pr_err("failed to allocate memory for tunneling qp update work struct\n"); |
| 1546 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 1547 | if (dm[i]) |
| 1548 | kfree(dm[i]); |
| 1549 | } |
| 1550 | goto out; |
| 1551 | } |
| 1552 | } |
| 1553 | /* initialize or tear down tunnel QPs for the slave */ |
| 1554 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 1555 | INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); |
| 1556 | dm[i]->port = i + 1; |
| 1557 | dm[i]->slave = slave; |
| 1558 | dm[i]->do_init = do_init; |
| 1559 | dm[i]->dev = ibdev; |
| 1560 | spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); |
| 1561 | if (!ibdev->sriov.is_going_down) |
| 1562 | queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); |
| 1563 | spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); |
| 1564 | } |
| 1565 | out: |
| 1566 | if (dm) |
| 1567 | kfree(dm); |
| 1568 | return; |
| 1569 | } |
| 1570 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1571 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, |
Jack Morgenstein | 00f5ce9 | 2012-06-19 11:21:40 +0300 | [diff] [blame] | 1572 | enum mlx4_dev_event event, unsigned long param) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1573 | { |
| 1574 | struct ib_event ibev; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1575 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
Jack Morgenstein | 00f5ce9 | 2012-06-19 11:21:40 +0300 | [diff] [blame] | 1576 | struct mlx4_eqe *eqe = NULL; |
| 1577 | struct ib_event_work *ew; |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1578 | int p = 0; |
Jack Morgenstein | 00f5ce9 | 2012-06-19 11:21:40 +0300 | [diff] [blame] | 1579 | |
| 1580 | if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE) |
| 1581 | eqe = (struct mlx4_eqe *)param; |
| 1582 | else |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1583 | p = (int) param; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1584 | |
| 1585 | switch (event) { |
Roland Dreier | 37608ee | 2008-04-16 21:01:08 -0700 | [diff] [blame] | 1586 | case MLX4_DEV_EVENT_PORT_UP: |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1587 | if (p > ibdev->num_ports) |
| 1588 | return; |
Jack Morgenstein | a0c64a1 | 2012-08-03 08:40:49 +0000 | [diff] [blame^] | 1589 | if (mlx4_is_master(dev) && |
| 1590 | rdma_port_get_link_layer(&ibdev->ib_dev, p) == |
| 1591 | IB_LINK_LAYER_INFINIBAND) { |
| 1592 | mlx4_ib_invalidate_all_guid_record(ibdev, p); |
| 1593 | } |
Roland Dreier | 37608ee | 2008-04-16 21:01:08 -0700 | [diff] [blame] | 1594 | ibev.event = IB_EVENT_PORT_ACTIVE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1595 | break; |
| 1596 | |
Roland Dreier | 37608ee | 2008-04-16 21:01:08 -0700 | [diff] [blame] | 1597 | case MLX4_DEV_EVENT_PORT_DOWN: |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1598 | if (p > ibdev->num_ports) |
| 1599 | return; |
Roland Dreier | 37608ee | 2008-04-16 21:01:08 -0700 | [diff] [blame] | 1600 | ibev.event = IB_EVENT_PORT_ERR; |
| 1601 | break; |
| 1602 | |
| 1603 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: |
Jack Morgenstein | 3b4a8cd | 2009-09-05 20:24:50 -0700 | [diff] [blame] | 1604 | ibdev->ib_active = false; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1605 | ibev.event = IB_EVENT_DEVICE_FATAL; |
| 1606 | break; |
| 1607 | |
Jack Morgenstein | 00f5ce9 | 2012-06-19 11:21:40 +0300 | [diff] [blame] | 1608 | case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: |
| 1609 | ew = kmalloc(sizeof *ew, GFP_ATOMIC); |
| 1610 | if (!ew) { |
| 1611 | pr_err("failed to allocate memory for events work\n"); |
| 1612 | break; |
| 1613 | } |
| 1614 | |
| 1615 | INIT_WORK(&ew->work, handle_port_mgmt_change_event); |
| 1616 | memcpy(&ew->ib_eqe, eqe, sizeof *eqe); |
| 1617 | ew->ib_dev = ibdev; |
| 1618 | handle_port_mgmt_change_event(&ew->work); |
| 1619 | return; |
| 1620 | |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1621 | case MLX4_DEV_EVENT_SLAVE_INIT: |
| 1622 | /* here, p is the slave id */ |
| 1623 | do_slave_init(ibdev, p, 1); |
| 1624 | return; |
| 1625 | |
| 1626 | case MLX4_DEV_EVENT_SLAVE_SHUTDOWN: |
| 1627 | /* here, p is the slave id */ |
| 1628 | do_slave_init(ibdev, p, 0); |
| 1629 | return; |
| 1630 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1631 | default: |
| 1632 | return; |
| 1633 | } |
| 1634 | |
| 1635 | ibev.device = ibdev_ptr; |
Jack Morgenstein | fc06573 | 2012-08-03 08:40:42 +0000 | [diff] [blame] | 1636 | ibev.element.port_num = (u8) p; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1637 | |
| 1638 | ib_dispatch_event(&ibev); |
| 1639 | } |
| 1640 | |
| 1641 | static struct mlx4_interface mlx4_ib_interface = { |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1642 | .add = mlx4_ib_add, |
| 1643 | .remove = mlx4_ib_remove, |
| 1644 | .event = mlx4_ib_event, |
Yevgeny Petrilin | 0345584 | 2011-03-22 22:38:17 +0000 | [diff] [blame] | 1645 | .protocol = MLX4_PROT_IB_IPV6 |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1646 | }; |
| 1647 | |
| 1648 | static int __init mlx4_ib_init(void) |
| 1649 | { |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1650 | int err; |
| 1651 | |
| 1652 | wq = create_singlethread_workqueue("mlx4_ib"); |
| 1653 | if (!wq) |
| 1654 | return -ENOMEM; |
| 1655 | |
Oren Duer | b9c5d6a | 2012-08-03 08:40:46 +0000 | [diff] [blame] | 1656 | err = mlx4_ib_mcg_init(); |
| 1657 | if (err) |
| 1658 | goto clean_wq; |
| 1659 | |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1660 | err = mlx4_register_interface(&mlx4_ib_interface); |
Oren Duer | b9c5d6a | 2012-08-03 08:40:46 +0000 | [diff] [blame] | 1661 | if (err) |
| 1662 | goto clean_mcg; |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1663 | |
| 1664 | return 0; |
Oren Duer | b9c5d6a | 2012-08-03 08:40:46 +0000 | [diff] [blame] | 1665 | |
| 1666 | clean_mcg: |
| 1667 | mlx4_ib_mcg_destroy(); |
| 1668 | |
| 1669 | clean_wq: |
| 1670 | destroy_workqueue(wq); |
| 1671 | return err; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1672 | } |
| 1673 | |
| 1674 | static void __exit mlx4_ib_cleanup(void) |
| 1675 | { |
| 1676 | mlx4_unregister_interface(&mlx4_ib_interface); |
Oren Duer | b9c5d6a | 2012-08-03 08:40:46 +0000 | [diff] [blame] | 1677 | mlx4_ib_mcg_destroy(); |
Eli Cohen | fa417f7 | 2010-10-24 21:08:52 -0700 | [diff] [blame] | 1678 | destroy_workqueue(wq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1679 | } |
| 1680 | |
| 1681 | module_init(mlx4_ib_init); |
| 1682 | module_exit(mlx4_ib_cleanup); |