Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
| 3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
Jack Morgenstein | 51a379d | 2008-07-25 10:32:52 -0700 | [diff] [blame] | 4 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 5 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. |
| 6 | * |
| 7 | * This software is available to you under a choice of one of two |
| 8 | * licenses. You may choose to be licensed under the terms of the GNU |
| 9 | * General Public License (GPL) Version 2, available from the file |
| 10 | * COPYING in the main directory of this source tree, or the |
| 11 | * OpenIB.org BSD license below: |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or |
| 14 | * without modification, are permitted provided that the following |
| 15 | * conditions are met: |
| 16 | * |
| 17 | * - Redistributions of source code must retain the above |
| 18 | * copyright notice, this list of conditions and the following |
| 19 | * disclaimer. |
| 20 | * |
| 21 | * - Redistributions in binary form must reproduce the above |
| 22 | * copyright notice, this list of conditions and the following |
| 23 | * disclaimer in the documentation and/or other materials |
| 24 | * provided with the distribution. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 33 | * SOFTWARE. |
| 34 | */ |
| 35 | |
| 36 | #include <linux/module.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/errno.h> |
| 39 | #include <linux/pci.h> |
| 40 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 41 | #include <linux/slab.h> |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 42 | #include <linux/io-mapping.h> |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 43 | #include <linux/delay.h> |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 44 | #include <linux/kmod.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 45 | |
| 46 | #include <linux/mlx4/device.h> |
| 47 | #include <linux/mlx4/doorbell.h> |
| 48 | |
| 49 | #include "mlx4.h" |
| 50 | #include "fw.h" |
| 51 | #include "icm.h" |
| 52 | |
| 53 | MODULE_AUTHOR("Roland Dreier"); |
| 54 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); |
| 55 | MODULE_LICENSE("Dual BSD/GPL"); |
| 56 | MODULE_VERSION(DRV_VERSION); |
| 57 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 58 | struct workqueue_struct *mlx4_wq; |
| 59 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 60 | #ifdef CONFIG_MLX4_DEBUG |
| 61 | |
| 62 | int mlx4_debug_level = 0; |
| 63 | module_param_named(debug_level, mlx4_debug_level, int, 0644); |
| 64 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); |
| 65 | |
| 66 | #endif /* CONFIG_MLX4_DEBUG */ |
| 67 | |
| 68 | #ifdef CONFIG_PCI_MSI |
| 69 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 70 | static int msi_x = 1; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 71 | module_param(msi_x, int, 0444); |
| 72 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); |
| 73 | |
| 74 | #else /* CONFIG_PCI_MSI */ |
| 75 | |
| 76 | #define msi_x (0) |
| 77 | |
| 78 | #endif /* CONFIG_PCI_MSI */ |
| 79 | |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 80 | static uint8_t num_vfs[3] = {0, 0, 0}; |
Matan Barak | effa4bc | 2014-09-23 16:05:59 +0300 | [diff] [blame] | 81 | static int num_vfs_argc; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 82 | module_param_array(num_vfs, byte , &num_vfs_argc, 0444); |
| 83 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0\n" |
| 84 | "num_vfs=port1,port2,port1+2"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 85 | |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 86 | static uint8_t probe_vf[3] = {0, 0, 0}; |
Matan Barak | effa4bc | 2014-09-23 16:05:59 +0300 | [diff] [blame] | 87 | static int probe_vfs_argc; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 88 | module_param_array(probe_vf, byte, &probe_vfs_argc, 0444); |
| 89 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n" |
| 90 | "probe_vf=port1,port2,port1+2"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 91 | |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 92 | int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
Eugenia Emantayev | 0ec2c0f | 2011-12-13 04:16:02 +0000 | [diff] [blame] | 93 | module_param_named(log_num_mgm_entry_size, |
| 94 | mlx4_log_num_mgm_entry_size, int, 0444); |
| 95 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" |
| 96 | " of qp per mcg, for example:" |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 97 | " 10 gives 248.range: 7 <=" |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 98 | " log_num_mgm_entry_size <= 12." |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 99 | " To activate device managed" |
| 100 | " flow steering when available, set to -1"); |
Eugenia Emantayev | 0ec2c0f | 2011-12-13 04:16:02 +0000 | [diff] [blame] | 101 | |
Eyal Perry | be902ab | 2013-12-19 21:20:15 +0200 | [diff] [blame] | 102 | static bool enable_64b_cqe_eqe = true; |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 103 | module_param(enable_64b_cqe_eqe, bool, 0444); |
| 104 | MODULE_PARM_DESC(enable_64b_cqe_eqe, |
Eyal Perry | be902ab | 2013-12-19 21:20:15 +0200 | [diff] [blame] | 105 | "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)"); |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 106 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 107 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 108 | MLX4_FUNC_CAP_EQE_CQE_STRIDE | \ |
| 109 | MLX4_FUNC_CAP_DMFS_A0_STATIC) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 110 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 111 | #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) |
| 112 | |
Bill Pemberton | f57e684 | 2012-12-03 09:23:15 -0500 | [diff] [blame] | 113 | static char mlx4_version[] = |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 114 | DRV_NAME ": Mellanox ConnectX core driver v" |
| 115 | DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 116 | |
| 117 | static struct mlx4_profile default_profile = { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 118 | .num_qp = 1 << 18, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 119 | .num_srq = 1 << 16, |
Jack Morgenstein | c9f2ba5 | 2007-07-17 13:11:43 +0300 | [diff] [blame] | 120 | .rdmarc_per_qp = 1 << 4, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 121 | .num_cq = 1 << 16, |
| 122 | .num_mcg = 1 << 13, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 123 | .num_mpt = 1 << 19, |
Marcel Apfelbaum | 9fd7a1e | 2012-01-19 09:45:31 +0000 | [diff] [blame] | 124 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 125 | }; |
| 126 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 127 | static struct mlx4_profile low_mem_profile = { |
| 128 | .num_qp = 1 << 17, |
| 129 | .num_srq = 1 << 6, |
| 130 | .rdmarc_per_qp = 1 << 4, |
| 131 | .num_cq = 1 << 8, |
| 132 | .num_mcg = 1 << 8, |
| 133 | .num_mpt = 1 << 9, |
| 134 | .num_mtt = 1 << 7, |
| 135 | }; |
| 136 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 137 | static int log_num_mac = 7; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 138 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
| 139 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); |
| 140 | |
| 141 | static int log_num_vlan; |
| 142 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); |
| 143 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); |
Or Gerlitz | cb29688 | 2011-10-16 10:26:21 +0200 | [diff] [blame] | 144 | /* Log2 max number of VLANs per ETH port (0-7) */ |
| 145 | #define MLX4_LOG_NUM_VLANS 7 |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 146 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
| 147 | #define MLX4_MIN_LOG_NUM_MAC 1 |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 148 | |
Rusty Russell | eb93992 | 2011-12-19 14:08:01 +0000 | [diff] [blame] | 149 | static bool use_prio; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 150 | module_param_named(use_prio, use_prio, bool, 0444); |
Amir Vadai | ecc8fb1 | 2014-05-22 15:55:39 +0300 | [diff] [blame] | 151 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports (deprecated)"); |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 152 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 153 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
Eli Cohen | ab6bf42 | 2009-05-27 14:38:34 -0700 | [diff] [blame] | 154 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
Eli Cohen | 0498628 | 2010-09-20 08:42:38 +0200 | [diff] [blame] | 155 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
Eli Cohen | ab6bf42 | 2009-05-27 14:38:34 -0700 | [diff] [blame] | 156 | |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 157 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 158 | static int arr_argc = 2; |
| 159 | module_param_array(port_type_array, int, &arr_argc, 0444); |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 160 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
| 161 | "1 for IB, 2 for Ethernet"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 162 | |
| 163 | struct mlx4_port_config { |
| 164 | struct list_head list; |
| 165 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; |
| 166 | struct pci_dev *pdev; |
| 167 | }; |
| 168 | |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 169 | static atomic_t pf_loading = ATOMIC_INIT(0); |
| 170 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 171 | int mlx4_check_port_params(struct mlx4_dev *dev, |
| 172 | enum mlx4_port_type *port_type) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 173 | { |
| 174 | int i; |
| 175 | |
Yuval Shaia | 0b99765 | 2014-12-13 10:18:40 -0800 | [diff] [blame] | 176 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
| 177 | for (i = 0; i < dev->caps.num_ports - 1; i++) { |
| 178 | if (port_type[i] != port_type[i + 1]) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 179 | mlx4_err(dev, "Only same port types supported on this HCA, aborting\n"); |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 180 | return -EINVAL; |
| 181 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 182 | } |
| 183 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 184 | |
| 185 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 186 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 187 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
| 188 | i + 1); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 189 | return -EINVAL; |
| 190 | } |
| 191 | } |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | static void mlx4_set_port_mask(struct mlx4_dev *dev) |
| 196 | { |
| 197 | int i; |
| 198 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 199 | for (i = 1; i <= dev->caps.num_ports; ++i) |
Jack Morgenstein | 65dab25 | 2011-12-13 04:10:41 +0000 | [diff] [blame] | 200 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 201 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 202 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 203 | enum { |
| 204 | MLX4_QUERY_FUNC_NUM_SYS_EQS = 1 << 0, |
| 205 | }; |
| 206 | |
| 207 | static int mlx4_query_func(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
| 208 | { |
| 209 | int err = 0; |
| 210 | struct mlx4_func func; |
| 211 | |
| 212 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { |
| 213 | err = mlx4_QUERY_FUNC(dev, &func, 0); |
| 214 | if (err) { |
| 215 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 216 | return err; |
| 217 | } |
| 218 | dev_cap->max_eqs = func.max_eq; |
| 219 | dev_cap->reserved_eqs = func.rsvd_eqs; |
| 220 | dev_cap->reserved_uars = func.rsvd_uars; |
| 221 | err |= MLX4_QUERY_FUNC_NUM_SYS_EQS; |
| 222 | } |
| 223 | return err; |
| 224 | } |
| 225 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 226 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
| 227 | { |
| 228 | struct mlx4_caps *dev_cap = &dev->caps; |
| 229 | |
| 230 | /* FW not supporting or cancelled by user */ |
| 231 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || |
| 232 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) |
| 233 | return; |
| 234 | |
| 235 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride |
| 236 | * When FW has NCSI it may decide not to report 64B CQE/EQEs |
| 237 | */ |
| 238 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || |
| 239 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { |
| 240 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 241 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | if (cache_line_size() == 128 || cache_line_size() == 256) { |
| 246 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); |
| 247 | /* Changing the real data inside CQE size to 32B */ |
| 248 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; |
| 249 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; |
| 250 | |
| 251 | if (mlx4_is_master(dev)) |
| 252 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; |
| 253 | } else { |
Or Gerlitz | 0fab541 | 2015-02-03 17:57:17 +0200 | [diff] [blame] | 254 | if (cache_line_size() != 32 && cache_line_size() != 64) |
| 255 | mlx4_dbg(dev, "Disabling CQE stride, cacheLine size unsupported\n"); |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 256 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 257 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 258 | } |
| 259 | } |
| 260 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 261 | static int _mlx4_dev_port(struct mlx4_dev *dev, int port, |
| 262 | struct mlx4_port_cap *port_cap) |
| 263 | { |
| 264 | dev->caps.vl_cap[port] = port_cap->max_vl; |
| 265 | dev->caps.ib_mtu_cap[port] = port_cap->ib_mtu; |
| 266 | dev->phys_caps.gid_phys_table_len[port] = port_cap->max_gids; |
| 267 | dev->phys_caps.pkey_phys_table_len[port] = port_cap->max_pkeys; |
| 268 | /* set gid and pkey table operating lengths by default |
| 269 | * to non-sriov values |
| 270 | */ |
| 271 | dev->caps.gid_table_len[port] = port_cap->max_gids; |
| 272 | dev->caps.pkey_table_len[port] = port_cap->max_pkeys; |
| 273 | dev->caps.port_width_cap[port] = port_cap->max_port_width; |
| 274 | dev->caps.eth_mtu_cap[port] = port_cap->eth_mtu; |
| 275 | dev->caps.def_mac[port] = port_cap->def_mac; |
| 276 | dev->caps.supported_type[port] = port_cap->supported_port_types; |
| 277 | dev->caps.suggested_type[port] = port_cap->suggested_type; |
| 278 | dev->caps.default_sense[port] = port_cap->default_sense; |
| 279 | dev->caps.trans_type[port] = port_cap->trans_type; |
| 280 | dev->caps.vendor_oui[port] = port_cap->vendor_oui; |
| 281 | dev->caps.wavelength[port] = port_cap->wavelength; |
| 282 | dev->caps.trans_code[port] = port_cap->trans_code; |
| 283 | |
| 284 | return 0; |
| 285 | } |
| 286 | |
| 287 | static int mlx4_dev_port(struct mlx4_dev *dev, int port, |
| 288 | struct mlx4_port_cap *port_cap) |
| 289 | { |
| 290 | int err = 0; |
| 291 | |
| 292 | err = mlx4_QUERY_PORT(dev, port, port_cap); |
| 293 | |
| 294 | if (err) |
| 295 | mlx4_err(dev, "QUERY_PORT command failed.\n"); |
| 296 | |
| 297 | return err; |
| 298 | } |
| 299 | |
Muhammad Mahajna | 78500b8 | 2015-04-02 16:31:22 +0300 | [diff] [blame] | 300 | static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev) |
| 301 | { |
| 302 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)) |
| 303 | return; |
| 304 | |
| 305 | if (mlx4_is_mfunc(dev)) { |
| 306 | mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS"); |
| 307 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; |
| 308 | return; |
| 309 | } |
| 310 | |
| 311 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) { |
| 312 | mlx4_dbg(dev, |
| 313 | "Keep FCS is not supported - Disabling Ignore FCS"); |
| 314 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; |
| 315 | return; |
| 316 | } |
| 317 | } |
| 318 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 319 | #define MLX4_A0_STEERING_TABLE_SIZE 256 |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 320 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 321 | { |
| 322 | int err; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 323 | int i; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 324 | |
| 325 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 326 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 327 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 328 | return err; |
| 329 | } |
Or Gerlitz | c78e25e | 2014-12-14 16:18:05 +0200 | [diff] [blame] | 330 | mlx4_dev_cap_dump(dev, dev_cap); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 331 | |
| 332 | if (dev_cap->min_page_sz > PAGE_SIZE) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 333 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 334 | dev_cap->min_page_sz, PAGE_SIZE); |
| 335 | return -ENODEV; |
| 336 | } |
| 337 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 338 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 339 | dev_cap->num_ports, MLX4_MAX_PORTS); |
| 340 | return -ENODEV; |
| 341 | } |
| 342 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 343 | if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 344 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 345 | dev_cap->uar_size, |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 346 | (unsigned long long) |
| 347 | pci_resource_len(dev->persist->pdev, 2)); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 348 | return -ENODEV; |
| 349 | } |
| 350 | |
| 351 | dev->caps.num_ports = dev_cap->num_ports; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 352 | dev->caps.num_sys_eqs = dev_cap->num_sys_eqs; |
| 353 | dev->phys_caps.num_phys_eqs = dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS ? |
| 354 | dev->caps.num_sys_eqs : |
| 355 | MLX4_MAX_EQ_NUM; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 356 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 357 | err = _mlx4_dev_port(dev, i, dev_cap->port_cap + i); |
| 358 | if (err) { |
| 359 | mlx4_err(dev, "QUERY_PORT command failed, aborting\n"); |
| 360 | return err; |
| 361 | } |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 364 | dev->caps.uar_page_size = PAGE_SIZE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 365 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 366 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
| 367 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; |
| 368 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; |
| 369 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; |
| 370 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; |
| 371 | dev->caps.max_wqes = dev_cap->max_qp_sz; |
| 372 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 373 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
| 374 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; |
| 375 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; |
| 376 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; |
| 377 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 378 | /* |
| 379 | * Subtract 1 from the limit because we need to allocate a |
| 380 | * spare CQE so the HCA HW can tell the difference between an |
| 381 | * empty CQ and a full CQ. |
| 382 | */ |
| 383 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; |
| 384 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; |
| 385 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 386 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 387 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 388 | |
| 389 | /* The first 128 UARs are used for EQ doorbells */ |
| 390 | dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 391 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 392 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
| 393 | dev_cap->reserved_xrcds : 0; |
| 394 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
| 395 | dev_cap->max_xrcds : 0; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 396 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
| 397 | |
Dotan Barak | 149983af | 2007-06-26 15:55:28 +0300 | [diff] [blame] | 398 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 399 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
| 400 | dev->caps.flags = dev_cap->flags; |
Shlomo Pongratz | b3416f4 | 2012-04-29 17:04:25 +0300 | [diff] [blame] | 401 | dev->caps.flags2 = dev_cap->flags2; |
Roland Dreier | 95d04f0 | 2008-07-23 08:12:26 -0700 | [diff] [blame] | 402 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
| 403 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 404 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
Eli Cohen | b832be1 | 2008-04-16 21:09:27 -0700 | [diff] [blame] | 405 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
Shlomo Pongratz | b3416f4 | 2012-04-29 17:04:25 +0300 | [diff] [blame] | 406 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 407 | |
Hadar Hen Zion | 77fc29c | 2015-07-27 14:46:31 +0300 | [diff] [blame] | 408 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { |
| 409 | struct mlx4_init_hca_param hca_param; |
| 410 | |
| 411 | memset(&hca_param, 0, sizeof(hca_param)); |
| 412 | err = mlx4_QUERY_HCA(dev, &hca_param); |
| 413 | /* Turn off PHV_EN flag in case phv_check_en is set. |
| 414 | * phv_check_en is a HW check that parse the packet and verify |
| 415 | * phv bit was reported correctly in the wqe. To allow QinQ |
| 416 | * PHV_EN flag should be set and phv_check_en must be cleared |
| 417 | * otherwise QinQ packets will be drop by the HW. |
| 418 | */ |
| 419 | if (err || hca_param.phv_check_en) |
| 420 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; |
| 421 | } |
| 422 | |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 423 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
| 424 | if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 425 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
Roland Dreier | aadf4f3 | 2012-09-27 10:01:19 -0700 | [diff] [blame] | 426 | /* Don't do sense port on multifunction devices (for now at least) */ |
| 427 | if (mlx4_is_mfunc(dev)) |
| 428 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 429 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 430 | if (mlx4_low_memory_profile()) { |
| 431 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; |
| 432 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; |
| 433 | } else { |
| 434 | dev->caps.log_num_macs = log_num_mac; |
| 435 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; |
| 436 | } |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 437 | |
| 438 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 439 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
| 440 | if (dev->caps.supported_type[i]) { |
| 441 | /* if only ETH is supported - assign ETH */ |
| 442 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) |
| 443 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 444 | /* if only IB is supported, assign IB */ |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 445 | else if (dev->caps.supported_type[i] == |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 446 | MLX4_PORT_TYPE_IB) |
| 447 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 448 | else { |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 449 | /* if IB and ETH are supported, we set the port |
| 450 | * type according to user selection of port type; |
| 451 | * if user selected none, take the FW hint */ |
| 452 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 453 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
| 454 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 455 | else |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 456 | dev->caps.port_type[i] = port_type_array[i - 1]; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 457 | } |
| 458 | } |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 459 | /* |
| 460 | * Link sensing is allowed on the port if 3 conditions are true: |
| 461 | * 1. Both protocols are supported on the port. |
| 462 | * 2. Different types are supported on the port |
| 463 | * 3. FW declared that it supports link sensing |
| 464 | */ |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 465 | mlx4_priv(dev)->sense.sense_allowed[i] = |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 466 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 467 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 468 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 469 | |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 470 | /* |
| 471 | * If "default_sense" bit is set, we move the port to "AUTO" mode |
| 472 | * and perform sense_port FW command to try and set the correct |
| 473 | * port type from beginning |
| 474 | */ |
Yevgeny Petrilin | 46c4674 | 2011-12-29 07:42:34 +0000 | [diff] [blame] | 475 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 476 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
| 477 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; |
| 478 | mlx4_SENSE_PORT(dev, i, &sensed_port); |
| 479 | if (sensed_port != MLX4_PORT_TYPE_NONE) |
| 480 | dev->caps.port_type[i] = sensed_port; |
| 481 | } else { |
| 482 | dev->caps.possible_type[i] = dev->caps.port_type[i]; |
| 483 | } |
| 484 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 485 | if (dev->caps.log_num_macs > dev_cap->port_cap[i].log_max_macs) { |
| 486 | dev->caps.log_num_macs = dev_cap->port_cap[i].log_max_macs; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 487 | mlx4_warn(dev, "Requested number of MACs is too much for port %d, reducing to %d\n", |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 488 | i, 1 << dev->caps.log_num_macs); |
| 489 | } |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 490 | if (dev->caps.log_num_vlans > dev_cap->port_cap[i].log_max_vlans) { |
| 491 | dev->caps.log_num_vlans = dev_cap->port_cap[i].log_max_vlans; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 492 | mlx4_warn(dev, "Requested number of VLANs is too much for port %d, reducing to %d\n", |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 493 | i, 1 << dev->caps.log_num_vlans); |
| 494 | } |
| 495 | } |
| 496 | |
Or Gerlitz | ac0a72a | 2015-06-14 17:13:06 +0300 | [diff] [blame] | 497 | if (mlx4_is_master(dev) && (dev->caps.num_ports == 2) && |
| 498 | (port_type_array[0] == MLX4_PORT_TYPE_IB) && |
| 499 | (port_type_array[1] == MLX4_PORT_TYPE_ETH)) { |
| 500 | mlx4_warn(dev, |
| 501 | "Granular QoS per VF not supported with IB/Eth configuration\n"); |
| 502 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_QOS_VPP; |
| 503 | } |
| 504 | |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 505 | dev->caps.max_counters = dev_cap->max_counters; |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 506 | |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 507 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
| 508 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = |
| 509 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = |
| 510 | (1 << dev->caps.log_num_macs) * |
| 511 | (1 << dev->caps.log_num_vlans) * |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 512 | dev->caps.num_ports; |
| 513 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 514 | |
| 515 | if (dev_cap->dmfs_high_rate_qpn_base > 0 && |
| 516 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) |
| 517 | dev->caps.dmfs_high_rate_qpn_base = dev_cap->dmfs_high_rate_qpn_base; |
| 518 | else |
| 519 | dev->caps.dmfs_high_rate_qpn_base = |
| 520 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 521 | |
| 522 | if (dev_cap->dmfs_high_rate_qpn_range > 0 && |
| 523 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { |
| 524 | dev->caps.dmfs_high_rate_qpn_range = dev_cap->dmfs_high_rate_qpn_range; |
| 525 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DEFAULT; |
| 526 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_FS_A0; |
| 527 | } else { |
| 528 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_NOT_SUPPORTED; |
| 529 | dev->caps.dmfs_high_rate_qpn_base = |
| 530 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 531 | dev->caps.dmfs_high_rate_qpn_range = MLX4_A0_STEERING_TABLE_SIZE; |
| 532 | } |
| 533 | |
Or Gerlitz | fc31e25 | 2015-03-18 14:57:34 +0200 | [diff] [blame] | 534 | dev->caps.rl_caps = dev_cap->rl_caps; |
| 535 | |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 536 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_RSS_RAW_ETH] = |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 537 | dev->caps.dmfs_high_rate_qpn_range; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 538 | |
| 539 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + |
| 540 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + |
| 541 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + |
| 542 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; |
| 543 | |
Jack Morgenstein | e2c7682 | 2012-08-03 08:40:41 +0000 | [diff] [blame] | 544 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 545 | |
Jack Morgenstein | b305132 | 2013-08-01 19:55:01 +0300 | [diff] [blame] | 546 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 547 | if (dev_cap->flags & |
| 548 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { |
| 549 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); |
| 550 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; |
| 551 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; |
| 552 | } |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 553 | |
| 554 | if (dev_cap->flags2 & |
| 555 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | |
| 556 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { |
| 557 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); |
| 558 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 559 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 560 | } |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 561 | } |
| 562 | |
Or Gerlitz | f97b4b5 | 2013-01-10 15:18:35 +0000 | [diff] [blame] | 563 | if ((dev->caps.flags & |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 564 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
| 565 | mlx4_is_master(dev)) |
| 566 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; |
| 567 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 568 | if (!mlx4_is_slave(dev)) { |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 569 | mlx4_enable_cqe_eqe_stride(dev); |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 570 | dev->caps.alloc_res_qp_mask = |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 571 | (dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) | |
| 572 | MLX4_RESERVE_A0_QP; |
Ido Shamay | 3742cc6 | 2015-04-02 16:31:17 +0300 | [diff] [blame] | 573 | |
| 574 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) && |
| 575 | dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { |
| 576 | mlx4_warn(dev, "Old device ETS support detected\n"); |
| 577 | mlx4_warn(dev, "Consider upgrading device FW.\n"); |
| 578 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; |
| 579 | } |
| 580 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 581 | } else { |
| 582 | dev->caps.alloc_res_qp_mask = 0; |
| 583 | } |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 584 | |
Muhammad Mahajna | 78500b8 | 2015-04-02 16:31:22 +0300 | [diff] [blame] | 585 | mlx4_enable_ignore_fcs(dev); |
| 586 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 587 | return 0; |
| 588 | } |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 589 | |
| 590 | static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev, |
| 591 | enum pci_bus_speed *speed, |
| 592 | enum pcie_link_width *width) |
| 593 | { |
| 594 | u32 lnkcap1, lnkcap2; |
| 595 | int err1, err2; |
| 596 | |
| 597 | #define PCIE_MLW_CAP_SHIFT 4 /* start of MLW mask in link capabilities */ |
| 598 | |
| 599 | *speed = PCI_SPEED_UNKNOWN; |
| 600 | *width = PCIE_LNK_WIDTH_UNKNOWN; |
| 601 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 602 | err1 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP, |
| 603 | &lnkcap1); |
| 604 | err2 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP2, |
| 605 | &lnkcap2); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 606 | if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */ |
| 607 | if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) |
| 608 | *speed = PCIE_SPEED_8_0GT; |
| 609 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) |
| 610 | *speed = PCIE_SPEED_5_0GT; |
| 611 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) |
| 612 | *speed = PCIE_SPEED_2_5GT; |
| 613 | } |
| 614 | if (!err1) { |
| 615 | *width = (lnkcap1 & PCI_EXP_LNKCAP_MLW) >> PCIE_MLW_CAP_SHIFT; |
| 616 | if (!lnkcap2) { /* pre-r3.0 */ |
| 617 | if (lnkcap1 & PCI_EXP_LNKCAP_SLS_5_0GB) |
| 618 | *speed = PCIE_SPEED_5_0GT; |
| 619 | else if (lnkcap1 & PCI_EXP_LNKCAP_SLS_2_5GB) |
| 620 | *speed = PCIE_SPEED_2_5GT; |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | if (*speed == PCI_SPEED_UNKNOWN || *width == PCIE_LNK_WIDTH_UNKNOWN) { |
| 625 | return err1 ? err1 : |
| 626 | err2 ? err2 : -EINVAL; |
| 627 | } |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | static void mlx4_check_pcie_caps(struct mlx4_dev *dev) |
| 632 | { |
| 633 | enum pcie_link_width width, width_cap; |
| 634 | enum pci_bus_speed speed, speed_cap; |
| 635 | int err; |
| 636 | |
| 637 | #define PCIE_SPEED_STR(speed) \ |
| 638 | (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : \ |
| 639 | speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : \ |
| 640 | speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : \ |
| 641 | "Unknown") |
| 642 | |
| 643 | err = mlx4_get_pcie_dev_link_caps(dev, &speed_cap, &width_cap); |
| 644 | if (err) { |
| 645 | mlx4_warn(dev, |
| 646 | "Unable to determine PCIe device BW capabilities\n"); |
| 647 | return; |
| 648 | } |
| 649 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 650 | err = pcie_get_minimum_link(dev->persist->pdev, &speed, &width); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 651 | if (err || speed == PCI_SPEED_UNKNOWN || |
| 652 | width == PCIE_LNK_WIDTH_UNKNOWN) { |
| 653 | mlx4_warn(dev, |
| 654 | "Unable to determine PCI device chain minimum BW\n"); |
| 655 | return; |
| 656 | } |
| 657 | |
| 658 | if (width != width_cap || speed != speed_cap) |
| 659 | mlx4_warn(dev, |
| 660 | "PCIe BW is different than device's capability\n"); |
| 661 | |
| 662 | mlx4_info(dev, "PCIe link speed is %s, device supports %s\n", |
| 663 | PCIE_SPEED_STR(speed), PCIE_SPEED_STR(speed_cap)); |
| 664 | mlx4_info(dev, "PCIe link width is x%d, device supports x%d\n", |
| 665 | width, width_cap); |
| 666 | return; |
| 667 | } |
| 668 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 669 | /*The function checks if there are live vf, return the num of them*/ |
| 670 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) |
| 671 | { |
| 672 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 673 | struct mlx4_slave_state *s_state; |
| 674 | int i; |
| 675 | int ret = 0; |
| 676 | |
| 677 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { |
| 678 | s_state = &priv->mfunc.master.slave_state[i]; |
| 679 | if (s_state->active && s_state->last_cmd != |
| 680 | MLX4_COMM_CMD_RESET) { |
| 681 | mlx4_warn(dev, "%s: slave: %d is still active\n", |
| 682 | __func__, i); |
| 683 | ret++; |
| 684 | } |
| 685 | } |
| 686 | return ret; |
| 687 | } |
| 688 | |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 689 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
| 690 | { |
| 691 | u32 qk = MLX4_RESERVED_QKEY_BASE; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 692 | |
| 693 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || |
| 694 | qpn < dev->phys_caps.base_proxy_sqpn) |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 695 | return -EINVAL; |
| 696 | |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 697 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 698 | /* tunnel qp */ |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 699 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 700 | else |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 701 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 702 | *qkey = qk; |
| 703 | return 0; |
| 704 | } |
| 705 | EXPORT_SYMBOL(mlx4_get_parav_qkey); |
| 706 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 707 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
| 708 | { |
| 709 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 710 | |
| 711 | if (!mlx4_is_master(dev)) |
| 712 | return; |
| 713 | |
| 714 | priv->virt2phys_pkey[slave][port - 1][i] = val; |
| 715 | } |
| 716 | EXPORT_SYMBOL(mlx4_sync_pkey_table); |
| 717 | |
Jack Morgenstein | afa8fd1 | 2012-08-03 08:40:56 +0000 | [diff] [blame] | 718 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
| 719 | { |
| 720 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 721 | |
| 722 | if (!mlx4_is_master(dev)) |
| 723 | return; |
| 724 | |
| 725 | priv->slave_node_guids[slave] = guid; |
| 726 | } |
| 727 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); |
| 728 | |
| 729 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) |
| 730 | { |
| 731 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 732 | |
| 733 | if (!mlx4_is_master(dev)) |
| 734 | return 0; |
| 735 | |
| 736 | return priv->slave_node_guids[slave]; |
| 737 | } |
| 738 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); |
| 739 | |
Roland Dreier | e10903b | 2012-02-26 01:48:12 -0800 | [diff] [blame] | 740 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 741 | { |
| 742 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 743 | struct mlx4_slave_state *s_slave; |
| 744 | |
| 745 | if (!mlx4_is_master(dev)) |
| 746 | return 0; |
| 747 | |
| 748 | s_slave = &priv->mfunc.master.slave_state[slave]; |
| 749 | return !!s_slave->active; |
| 750 | } |
| 751 | EXPORT_SYMBOL(mlx4_is_slave_active); |
| 752 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 753 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
| 754 | struct mlx4_dev_cap *dev_cap, |
| 755 | struct mlx4_init_hca_param *hca_param) |
| 756 | { |
| 757 | dev->caps.steering_mode = hca_param->steering_mode; |
| 758 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 759 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; |
| 760 | dev->caps.fs_log_max_ucast_qp_range_size = |
| 761 | dev_cap->fs_log_max_ucast_qp_range_size; |
| 762 | } else |
| 763 | dev->caps.num_qp_per_mgm = |
| 764 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); |
| 765 | |
| 766 | mlx4_dbg(dev, "Steering mode is: %s\n", |
| 767 | mlx4_steering_mode_str(dev->caps.steering_mode)); |
| 768 | } |
| 769 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 770 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
| 771 | { |
| 772 | int err; |
| 773 | u32 page_size; |
| 774 | struct mlx4_dev_cap dev_cap; |
| 775 | struct mlx4_func_cap func_cap; |
| 776 | struct mlx4_init_hca_param hca_param; |
Matan Barak | 225c6c8 | 2014-11-13 14:45:28 +0200 | [diff] [blame] | 777 | u8 i; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 778 | |
| 779 | memset(&hca_param, 0, sizeof(hca_param)); |
| 780 | err = mlx4_QUERY_HCA(dev, &hca_param); |
| 781 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 782 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 783 | return err; |
| 784 | } |
| 785 | |
Eyal Perry | 483e013 | 2014-05-14 12:15:14 +0300 | [diff] [blame] | 786 | /* fail if the hca has an unknown global capability |
| 787 | * at this time global_caps should be always zeroed |
| 788 | */ |
| 789 | if (hca_param.global_caps) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 790 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
| 791 | return -ENOSYS; |
| 792 | } |
| 793 | |
| 794 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; |
| 795 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 796 | dev->caps.hca_core_clock = hca_param.hca_core_clock; |
| 797 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 798 | memset(&dev_cap, 0, sizeof(dev_cap)); |
Jack Morgenstein | b91cb3e | 2012-05-30 09:14:53 +0000 | [diff] [blame] | 799 | dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 800 | err = mlx4_dev_cap(dev, &dev_cap); |
| 801 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 802 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 803 | return err; |
| 804 | } |
| 805 | |
Jack Morgenstein | b91cb3e | 2012-05-30 09:14:53 +0000 | [diff] [blame] | 806 | err = mlx4_QUERY_FW(dev); |
| 807 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 808 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version\n"); |
Jack Morgenstein | b91cb3e | 2012-05-30 09:14:53 +0000 | [diff] [blame] | 809 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 810 | page_size = ~dev->caps.page_size_cap + 1; |
| 811 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); |
| 812 | if (page_size > PAGE_SIZE) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 813 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 814 | page_size, PAGE_SIZE); |
| 815 | return -ENODEV; |
| 816 | } |
| 817 | |
| 818 | /* slave gets uar page size from QUERY_HCA fw command */ |
| 819 | dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12); |
| 820 | |
| 821 | /* TODO: relax this assumption */ |
| 822 | if (dev->caps.uar_page_size != PAGE_SIZE) { |
| 823 | mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n", |
| 824 | dev->caps.uar_page_size, PAGE_SIZE); |
| 825 | return -ENODEV; |
| 826 | } |
| 827 | |
| 828 | memset(&func_cap, 0, sizeof(func_cap)); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 829 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 830 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 831 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
| 832 | err); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 833 | return err; |
| 834 | } |
| 835 | |
| 836 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != |
| 837 | PF_CONTEXT_BEHAVIOUR_MASK) { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 838 | mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n", |
| 839 | func_cap.pf_context_behaviour, PF_CONTEXT_BEHAVIOUR_MASK); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 840 | return -ENOSYS; |
| 841 | } |
| 842 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 843 | dev->caps.num_ports = func_cap.num_ports; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 844 | dev->quotas.qp = func_cap.qp_quota; |
| 845 | dev->quotas.srq = func_cap.srq_quota; |
| 846 | dev->quotas.cq = func_cap.cq_quota; |
| 847 | dev->quotas.mpt = func_cap.mpt_quota; |
| 848 | dev->quotas.mtt = func_cap.mtt_quota; |
| 849 | dev->caps.num_qps = 1 << hca_param.log_num_qps; |
| 850 | dev->caps.num_srqs = 1 << hca_param.log_num_srqs; |
| 851 | dev->caps.num_cqs = 1 << hca_param.log_num_cqs; |
| 852 | dev->caps.num_mpts = 1 << hca_param.log_mpt_sz; |
| 853 | dev->caps.num_eqs = func_cap.max_eq; |
| 854 | dev->caps.reserved_eqs = func_cap.reserved_eq; |
Jack Morgenstein | f0ce061 | 2015-01-27 15:58:00 +0200 | [diff] [blame] | 855 | dev->caps.reserved_lkey = func_cap.reserved_lkey; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 856 | dev->caps.num_pds = MLX4_NUM_PDS; |
| 857 | dev->caps.num_mgms = 0; |
| 858 | dev->caps.num_amgms = 0; |
| 859 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 860 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 861 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
| 862 | dev->caps.num_ports, MLX4_MAX_PORTS); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 863 | return -ENODEV; |
| 864 | } |
| 865 | |
Jack Morgenstein | 2b3ddf2 | 2015-10-14 17:43:48 +0300 | [diff] [blame] | 866 | mlx4_replace_zero_macs(dev); |
| 867 | |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 868 | dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 869 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 870 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 871 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 872 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 873 | |
| 874 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 875 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy || |
| 876 | !dev->caps.qp0_qkey) { |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 877 | err = -ENOMEM; |
| 878 | goto err_mem; |
| 879 | } |
| 880 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 881 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Matan Barak | 225c6c8 | 2014-11-13 14:45:28 +0200 | [diff] [blame] | 882 | err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 883 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 884 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", |
| 885 | i, err); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 886 | goto err_mem; |
| 887 | } |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 888 | dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 889 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; |
| 890 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; |
| 891 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; |
| 892 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; |
Jack Morgenstein | 6230bb2 | 2012-05-30 09:14:54 +0000 | [diff] [blame] | 893 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
Hadar Hen Zion | 8e1a28e | 2013-12-19 21:20:12 +0200 | [diff] [blame] | 894 | dev->caps.phys_port_id[i] = func_cap.phys_port_id; |
Noa Osherovich | d49c219 | 2015-11-12 19:35:30 +0200 | [diff] [blame] | 895 | err = mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
| 896 | &dev->caps.gid_table_len[i], |
| 897 | &dev->caps.pkey_table_len[i]); |
| 898 | if (err) |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 899 | goto err_mem; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 900 | } |
Jack Morgenstein | 6230bb2 | 2012-05-30 09:14:54 +0000 | [diff] [blame] | 901 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 902 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
| 903 | dev->caps.reserved_uars) > |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 904 | pci_resource_len(dev->persist->pdev, |
| 905 | 2)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 906 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 907 | dev->caps.uar_page_size * dev->caps.num_uars, |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 908 | (unsigned long long) |
| 909 | pci_resource_len(dev->persist->pdev, 2)); |
Noa Osherovich | d49c219 | 2015-11-12 19:35:30 +0200 | [diff] [blame] | 910 | err = -ENOMEM; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 911 | goto err_mem; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 912 | } |
| 913 | |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 914 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
| 915 | dev->caps.eqe_size = 64; |
| 916 | dev->caps.eqe_factor = 1; |
| 917 | } else { |
| 918 | dev->caps.eqe_size = 32; |
| 919 | dev->caps.eqe_factor = 0; |
| 920 | } |
| 921 | |
| 922 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { |
| 923 | dev->caps.cqe_size = 64; |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 924 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 925 | } else { |
| 926 | dev->caps.cqe_size = 32; |
| 927 | } |
| 928 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 929 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
| 930 | dev->caps.eqe_size = hca_param.eqe_size; |
| 931 | dev->caps.eqe_factor = 0; |
| 932 | } |
| 933 | |
| 934 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { |
| 935 | dev->caps.cqe_size = hca_param.cqe_size; |
| 936 | /* User still need to know when CQE > 32B */ |
| 937 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
| 938 | } |
| 939 | |
Amir Vadai | f9bd2d7 | 2013-06-20 14:58:10 +0300 | [diff] [blame] | 940 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 941 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
Amir Vadai | f9bd2d7 | 2013-06-20 14:58:10 +0300 | [diff] [blame] | 942 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 943 | slave_adjust_steering_mode(dev, &dev_cap, &hca_param); |
Ido Shamay | 802f42a | 2015-04-02 16:31:06 +0300 | [diff] [blame] | 944 | mlx4_dbg(dev, "RSS support for IP fragments is %s\n", |
| 945 | hca_param.rss_ip_frags ? "on" : "off"); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 946 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 947 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP && |
| 948 | dev->caps.bf_reg_size) |
| 949 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP; |
| 950 | |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 951 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP) |
| 952 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP; |
| 953 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 954 | return 0; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 955 | |
| 956 | err_mem: |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 957 | kfree(dev->caps.qp0_qkey); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 958 | kfree(dev->caps.qp0_tunnel); |
| 959 | kfree(dev->caps.qp0_proxy); |
| 960 | kfree(dev->caps.qp1_tunnel); |
| 961 | kfree(dev->caps.qp1_proxy); |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 962 | dev->caps.qp0_qkey = NULL; |
| 963 | dev->caps.qp0_tunnel = NULL; |
| 964 | dev->caps.qp0_proxy = NULL; |
| 965 | dev->caps.qp1_tunnel = NULL; |
| 966 | dev->caps.qp1_proxy = NULL; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 967 | |
| 968 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 969 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 970 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 971 | static void mlx4_request_modules(struct mlx4_dev *dev) |
| 972 | { |
| 973 | int port; |
| 974 | int has_ib_port = false; |
| 975 | int has_eth_port = false; |
| 976 | #define EN_DRV_NAME "mlx4_en" |
| 977 | #define IB_DRV_NAME "mlx4_ib" |
| 978 | |
| 979 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 980 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) |
| 981 | has_ib_port = true; |
| 982 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) |
| 983 | has_eth_port = true; |
| 984 | } |
| 985 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 986 | if (has_eth_port) |
| 987 | request_module_nowait(EN_DRV_NAME); |
Or Gerlitz | f24f790 | 2014-05-04 17:07:24 +0300 | [diff] [blame] | 988 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
| 989 | request_module_nowait(IB_DRV_NAME); |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 990 | } |
| 991 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 992 | /* |
| 993 | * Change the port configuration of the device. |
| 994 | * Every user of this function must hold the port mutex. |
| 995 | */ |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 996 | int mlx4_change_port_types(struct mlx4_dev *dev, |
| 997 | enum mlx4_port_type *port_types) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 998 | { |
| 999 | int err = 0; |
| 1000 | int change = 0; |
| 1001 | int port; |
| 1002 | |
| 1003 | for (port = 0; port < dev->caps.num_ports; port++) { |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1004 | /* Change the port type only if the new type is different |
| 1005 | * from the current, and not set to Auto */ |
Yevgeny Petrilin | 3d8f930 | 2012-02-21 03:41:07 +0000 | [diff] [blame] | 1006 | if (port_types[port] != dev->caps.port_type[port + 1]) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1007 | change = 1; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1008 | } |
| 1009 | if (change) { |
| 1010 | mlx4_unregister_device(dev); |
| 1011 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 1012 | mlx4_CLOSE_PORT(dev, port); |
Yevgeny Petrilin | 1e0f03d | 2012-02-23 07:04:35 +0000 | [diff] [blame] | 1013 | dev->caps.port_type[port] = port_types[port - 1]; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1014 | err = mlx4_SET_PORT(dev, port, -1); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1015 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1016 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
| 1017 | port); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1018 | goto out; |
| 1019 | } |
| 1020 | } |
| 1021 | mlx4_set_port_mask(dev); |
| 1022 | err = mlx4_register_device(dev); |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 1023 | if (err) { |
| 1024 | mlx4_err(dev, "Failed to register device\n"); |
| 1025 | goto out; |
| 1026 | } |
| 1027 | mlx4_request_modules(dev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | out: |
| 1031 | return err; |
| 1032 | } |
| 1033 | |
| 1034 | static ssize_t show_port_type(struct device *dev, |
| 1035 | struct device_attribute *attr, |
| 1036 | char *buf) |
| 1037 | { |
| 1038 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1039 | port_attr); |
| 1040 | struct mlx4_dev *mdev = info->dev; |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1041 | char type[8]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1042 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1043 | sprintf(type, "%s", |
| 1044 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? |
| 1045 | "ib" : "eth"); |
| 1046 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) |
| 1047 | sprintf(buf, "auto (%s)\n", type); |
| 1048 | else |
| 1049 | sprintf(buf, "%s\n", type); |
| 1050 | |
| 1051 | return strlen(buf); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | static ssize_t set_port_type(struct device *dev, |
| 1055 | struct device_attribute *attr, |
| 1056 | const char *buf, size_t count) |
| 1057 | { |
| 1058 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1059 | port_attr); |
| 1060 | struct mlx4_dev *mdev = info->dev; |
| 1061 | struct mlx4_priv *priv = mlx4_priv(mdev); |
| 1062 | enum mlx4_port_type types[MLX4_MAX_PORTS]; |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1063 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
Amir Vadai | 0a98455 | 2014-11-02 16:26:14 +0200 | [diff] [blame] | 1064 | static DEFINE_MUTEX(set_port_type_mutex); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1065 | int i; |
| 1066 | int err = 0; |
| 1067 | |
Amir Vadai | 0a98455 | 2014-11-02 16:26:14 +0200 | [diff] [blame] | 1068 | mutex_lock(&set_port_type_mutex); |
| 1069 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1070 | if (!strcmp(buf, "ib\n")) |
| 1071 | info->tmp_type = MLX4_PORT_TYPE_IB; |
| 1072 | else if (!strcmp(buf, "eth\n")) |
| 1073 | info->tmp_type = MLX4_PORT_TYPE_ETH; |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1074 | else if (!strcmp(buf, "auto\n")) |
| 1075 | info->tmp_type = MLX4_PORT_TYPE_AUTO; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1076 | else { |
| 1077 | mlx4_err(mdev, "%s is not supported port type\n", buf); |
Amir Vadai | 0a98455 | 2014-11-02 16:26:14 +0200 | [diff] [blame] | 1078 | err = -EINVAL; |
| 1079 | goto err_out; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1080 | } |
| 1081 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1082 | mlx4_stop_sense(mdev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1083 | mutex_lock(&priv->port_mutex); |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1084 | /* Possible type is always the one that was delivered */ |
| 1085 | mdev->caps.possible_type[info->port] = info->tmp_type; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1086 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1087 | for (i = 0; i < mdev->caps.num_ports; i++) { |
| 1088 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
| 1089 | mdev->caps.possible_type[i+1]; |
| 1090 | if (types[i] == MLX4_PORT_TYPE_AUTO) |
| 1091 | types[i] = mdev->caps.port_type[i+1]; |
| 1092 | } |
| 1093 | |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 1094 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
| 1095 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1096 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
| 1097 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { |
| 1098 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; |
| 1099 | err = -EINVAL; |
| 1100 | } |
| 1101 | } |
| 1102 | } |
| 1103 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1104 | mlx4_err(mdev, "Auto sensing is not supported on this HCA. Set only 'eth' or 'ib' for both ports (should be the same)\n"); |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1105 | goto out; |
| 1106 | } |
| 1107 | |
| 1108 | mlx4_do_sense_ports(mdev, new_types, types); |
| 1109 | |
| 1110 | err = mlx4_check_port_params(mdev, new_types); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1111 | if (err) |
| 1112 | goto out; |
| 1113 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1114 | /* We are about to apply the changes after the configuration |
| 1115 | * was verified, no need to remember the temporary types |
| 1116 | * any more */ |
| 1117 | for (i = 0; i < mdev->caps.num_ports; i++) |
| 1118 | priv->port[i + 1].tmp_type = 0; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1119 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1120 | err = mlx4_change_port_types(mdev, new_types); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1121 | |
| 1122 | out: |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1123 | mlx4_start_sense(mdev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1124 | mutex_unlock(&priv->port_mutex); |
Amir Vadai | 0a98455 | 2014-11-02 16:26:14 +0200 | [diff] [blame] | 1125 | err_out: |
| 1126 | mutex_unlock(&set_port_type_mutex); |
| 1127 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1128 | return err ? err : count; |
| 1129 | } |
| 1130 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1131 | enum ibta_mtu { |
| 1132 | IB_MTU_256 = 1, |
| 1133 | IB_MTU_512 = 2, |
| 1134 | IB_MTU_1024 = 3, |
| 1135 | IB_MTU_2048 = 4, |
| 1136 | IB_MTU_4096 = 5 |
| 1137 | }; |
| 1138 | |
| 1139 | static inline int int_to_ibta_mtu(int mtu) |
| 1140 | { |
| 1141 | switch (mtu) { |
| 1142 | case 256: return IB_MTU_256; |
| 1143 | case 512: return IB_MTU_512; |
| 1144 | case 1024: return IB_MTU_1024; |
| 1145 | case 2048: return IB_MTU_2048; |
| 1146 | case 4096: return IB_MTU_4096; |
| 1147 | default: return -1; |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) |
| 1152 | { |
| 1153 | switch (mtu) { |
| 1154 | case IB_MTU_256: return 256; |
| 1155 | case IB_MTU_512: return 512; |
| 1156 | case IB_MTU_1024: return 1024; |
| 1157 | case IB_MTU_2048: return 2048; |
| 1158 | case IB_MTU_4096: return 4096; |
| 1159 | default: return -1; |
| 1160 | } |
| 1161 | } |
| 1162 | |
| 1163 | static ssize_t show_port_ib_mtu(struct device *dev, |
| 1164 | struct device_attribute *attr, |
| 1165 | char *buf) |
| 1166 | { |
| 1167 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1168 | port_mtu_attr); |
| 1169 | struct mlx4_dev *mdev = info->dev; |
| 1170 | |
| 1171 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) |
| 1172 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); |
| 1173 | |
| 1174 | sprintf(buf, "%d\n", |
| 1175 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); |
| 1176 | return strlen(buf); |
| 1177 | } |
| 1178 | |
| 1179 | static ssize_t set_port_ib_mtu(struct device *dev, |
| 1180 | struct device_attribute *attr, |
| 1181 | const char *buf, size_t count) |
| 1182 | { |
| 1183 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1184 | port_mtu_attr); |
| 1185 | struct mlx4_dev *mdev = info->dev; |
| 1186 | struct mlx4_priv *priv = mlx4_priv(mdev); |
| 1187 | int err, port, mtu, ibta_mtu = -1; |
| 1188 | |
| 1189 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { |
| 1190 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); |
| 1191 | return -EINVAL; |
| 1192 | } |
| 1193 | |
Dotan Barak | 618fad9 | 2013-06-25 12:09:36 +0300 | [diff] [blame] | 1194 | err = kstrtoint(buf, 0, &mtu); |
| 1195 | if (!err) |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1196 | ibta_mtu = int_to_ibta_mtu(mtu); |
| 1197 | |
Dotan Barak | 618fad9 | 2013-06-25 12:09:36 +0300 | [diff] [blame] | 1198 | if (err || ibta_mtu < 0) { |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1199 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
| 1200 | return -EINVAL; |
| 1201 | } |
| 1202 | |
| 1203 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; |
| 1204 | |
| 1205 | mlx4_stop_sense(mdev); |
| 1206 | mutex_lock(&priv->port_mutex); |
| 1207 | mlx4_unregister_device(mdev); |
| 1208 | for (port = 1; port <= mdev->caps.num_ports; port++) { |
| 1209 | mlx4_CLOSE_PORT(mdev, port); |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1210 | err = mlx4_SET_PORT(mdev, port, -1); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1211 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1212 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
| 1213 | port); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1214 | goto err_set_port; |
| 1215 | } |
| 1216 | } |
| 1217 | err = mlx4_register_device(mdev); |
| 1218 | err_set_port: |
| 1219 | mutex_unlock(&priv->port_mutex); |
| 1220 | mlx4_start_sense(mdev); |
| 1221 | return err ? err : count; |
| 1222 | } |
| 1223 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1224 | int mlx4_bond(struct mlx4_dev *dev) |
| 1225 | { |
| 1226 | int ret = 0; |
| 1227 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1228 | |
| 1229 | mutex_lock(&priv->bond_mutex); |
| 1230 | |
| 1231 | if (!mlx4_is_bonded(dev)) |
| 1232 | ret = mlx4_do_bond(dev, true); |
| 1233 | else |
| 1234 | ret = 0; |
| 1235 | |
| 1236 | mutex_unlock(&priv->bond_mutex); |
| 1237 | if (ret) |
| 1238 | mlx4_err(dev, "Failed to bond device: %d\n", ret); |
| 1239 | else |
| 1240 | mlx4_dbg(dev, "Device is bonded\n"); |
| 1241 | return ret; |
| 1242 | } |
| 1243 | EXPORT_SYMBOL_GPL(mlx4_bond); |
| 1244 | |
| 1245 | int mlx4_unbond(struct mlx4_dev *dev) |
| 1246 | { |
| 1247 | int ret = 0; |
| 1248 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1249 | |
| 1250 | mutex_lock(&priv->bond_mutex); |
| 1251 | |
| 1252 | if (mlx4_is_bonded(dev)) |
| 1253 | ret = mlx4_do_bond(dev, false); |
| 1254 | |
| 1255 | mutex_unlock(&priv->bond_mutex); |
| 1256 | if (ret) |
| 1257 | mlx4_err(dev, "Failed to unbond device: %d\n", ret); |
| 1258 | else |
| 1259 | mlx4_dbg(dev, "Device is unbonded\n"); |
| 1260 | return ret; |
| 1261 | } |
| 1262 | EXPORT_SYMBOL_GPL(mlx4_unbond); |
| 1263 | |
| 1264 | |
| 1265 | int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) |
| 1266 | { |
| 1267 | u8 port1 = v2p->port1; |
| 1268 | u8 port2 = v2p->port2; |
| 1269 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1270 | int err; |
| 1271 | |
| 1272 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)) |
| 1273 | return -ENOTSUPP; |
| 1274 | |
| 1275 | mutex_lock(&priv->bond_mutex); |
| 1276 | |
| 1277 | /* zero means keep current mapping for this port */ |
| 1278 | if (port1 == 0) |
| 1279 | port1 = priv->v2p.port1; |
| 1280 | if (port2 == 0) |
| 1281 | port2 = priv->v2p.port2; |
| 1282 | |
| 1283 | if ((port1 < 1) || (port1 > MLX4_MAX_PORTS) || |
| 1284 | (port2 < 1) || (port2 > MLX4_MAX_PORTS) || |
| 1285 | (port1 == 2 && port2 == 1)) { |
| 1286 | /* besides boundary checks cross mapping makes |
| 1287 | * no sense and therefore not allowed */ |
| 1288 | err = -EINVAL; |
| 1289 | } else if ((port1 == priv->v2p.port1) && |
| 1290 | (port2 == priv->v2p.port2)) { |
| 1291 | err = 0; |
| 1292 | } else { |
| 1293 | err = mlx4_virt2phy_port_map(dev, port1, port2); |
| 1294 | if (!err) { |
| 1295 | mlx4_dbg(dev, "port map changed: [%d][%d]\n", |
| 1296 | port1, port2); |
| 1297 | priv->v2p.port1 = port1; |
| 1298 | priv->v2p.port2 = port2; |
| 1299 | } else { |
| 1300 | mlx4_err(dev, "Failed to change port mape: %d\n", err); |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | mutex_unlock(&priv->bond_mutex); |
| 1305 | return err; |
| 1306 | } |
| 1307 | EXPORT_SYMBOL_GPL(mlx4_port_map_set); |
| 1308 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 1309 | static int mlx4_load_fw(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1310 | { |
| 1311 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1312 | int err; |
| 1313 | |
| 1314 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1315 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1316 | if (!priv->fw.fw_icm) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1317 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1318 | return -ENOMEM; |
| 1319 | } |
| 1320 | |
| 1321 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); |
| 1322 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1323 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1324 | goto err_free; |
| 1325 | } |
| 1326 | |
| 1327 | err = mlx4_RUN_FW(dev); |
| 1328 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1329 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1330 | goto err_unmap_fa; |
| 1331 | } |
| 1332 | |
| 1333 | return 0; |
| 1334 | |
| 1335 | err_unmap_fa: |
| 1336 | mlx4_UNMAP_FA(dev); |
| 1337 | |
| 1338 | err_free: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1339 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1340 | return err; |
| 1341 | } |
| 1342 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 1343 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
| 1344 | int cmpt_entry_sz) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1345 | { |
| 1346 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1347 | int err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1348 | int num_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1349 | |
| 1350 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, |
| 1351 | cmpt_base + |
| 1352 | ((u64) (MLX4_CMPT_TYPE_QP * |
| 1353 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1354 | cmpt_entry_sz, dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1355 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1356 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1357 | if (err) |
| 1358 | goto err; |
| 1359 | |
| 1360 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, |
| 1361 | cmpt_base + |
| 1362 | ((u64) (MLX4_CMPT_TYPE_SRQ * |
| 1363 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1364 | cmpt_entry_sz, dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1365 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1366 | if (err) |
| 1367 | goto err_qp; |
| 1368 | |
| 1369 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, |
| 1370 | cmpt_base + |
| 1371 | ((u64) (MLX4_CMPT_TYPE_CQ * |
| 1372 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1373 | cmpt_entry_sz, dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1374 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1375 | if (err) |
| 1376 | goto err_srq; |
| 1377 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 1378 | num_eqs = dev->phys_caps.num_phys_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1379 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
| 1380 | cmpt_base + |
| 1381 | ((u64) (MLX4_CMPT_TYPE_EQ * |
| 1382 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1383 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1384 | if (err) |
| 1385 | goto err_cq; |
| 1386 | |
| 1387 | return 0; |
| 1388 | |
| 1389 | err_cq: |
| 1390 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1391 | |
| 1392 | err_srq: |
| 1393 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1394 | |
| 1395 | err_qp: |
| 1396 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 1397 | |
| 1398 | err: |
| 1399 | return err; |
| 1400 | } |
| 1401 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 1402 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
| 1403 | struct mlx4_init_hca_param *init_hca, u64 icm_size) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1404 | { |
| 1405 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1406 | u64 aux_pages; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1407 | int num_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1408 | int err; |
| 1409 | |
| 1410 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); |
| 1411 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1412 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1413 | return err; |
| 1414 | } |
| 1415 | |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1416 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory\n", |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1417 | (unsigned long long) icm_size >> 10, |
| 1418 | (unsigned long long) aux_pages << 2); |
| 1419 | |
| 1420 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1421 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1422 | if (!priv->fw.aux_icm) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1423 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1424 | return -ENOMEM; |
| 1425 | } |
| 1426 | |
| 1427 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); |
| 1428 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1429 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1430 | goto err_free_aux; |
| 1431 | } |
| 1432 | |
| 1433 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); |
| 1434 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1435 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1436 | goto err_unmap_aux; |
| 1437 | } |
| 1438 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1439 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 1440 | num_eqs = dev->phys_caps.num_phys_eqs; |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1441 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
| 1442 | init_hca->eqc_base, dev_cap->eqc_entry_sz, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1443 | num_eqs, num_eqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1444 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1445 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1446 | goto err_unmap_cmpt; |
| 1447 | } |
| 1448 | |
Jack Morgenstein | d7bb58f | 2007-08-01 12:28:53 +0300 | [diff] [blame] | 1449 | /* |
| 1450 | * Reserved MTT entries must be aligned up to a cacheline |
| 1451 | * boundary, since the FW will write to them, while the driver |
| 1452 | * writes to all other MTT entries. (The variable |
| 1453 | * dev->caps.mtt_entry_sz below is really the MTT segment |
| 1454 | * size, not the raw entry size) |
| 1455 | */ |
| 1456 | dev->caps.reserved_mtts = |
| 1457 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, |
| 1458 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; |
| 1459 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1460 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
| 1461 | init_hca->mtt_base, |
| 1462 | dev->caps.mtt_entry_sz, |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 1463 | dev->caps.num_mtts, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1464 | dev->caps.reserved_mtts, 1, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1465 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1466 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1467 | goto err_unmap_eq; |
| 1468 | } |
| 1469 | |
| 1470 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, |
| 1471 | init_hca->dmpt_base, |
| 1472 | dev_cap->dmpt_entry_sz, |
| 1473 | dev->caps.num_mpts, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1474 | dev->caps.reserved_mrws, 1, 1); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1475 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1476 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1477 | goto err_unmap_mtt; |
| 1478 | } |
| 1479 | |
| 1480 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, |
| 1481 | init_hca->qpc_base, |
| 1482 | dev_cap->qpc_entry_sz, |
| 1483 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1484 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1485 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1486 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1487 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1488 | goto err_unmap_dmpt; |
| 1489 | } |
| 1490 | |
| 1491 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, |
| 1492 | init_hca->auxc_base, |
| 1493 | dev_cap->aux_entry_sz, |
| 1494 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1495 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1496 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1497 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1498 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1499 | goto err_unmap_qp; |
| 1500 | } |
| 1501 | |
| 1502 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, |
| 1503 | init_hca->altc_base, |
| 1504 | dev_cap->altc_entry_sz, |
| 1505 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1506 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1507 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1508 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1509 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1510 | goto err_unmap_auxc; |
| 1511 | } |
| 1512 | |
| 1513 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, |
| 1514 | init_hca->rdmarc_base, |
| 1515 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, |
| 1516 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1517 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1518 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1519 | if (err) { |
| 1520 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); |
| 1521 | goto err_unmap_altc; |
| 1522 | } |
| 1523 | |
| 1524 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, |
| 1525 | init_hca->cqc_base, |
| 1526 | dev_cap->cqc_entry_sz, |
| 1527 | dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1528 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1529 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1530 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1531 | goto err_unmap_rdmarc; |
| 1532 | } |
| 1533 | |
| 1534 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, |
| 1535 | init_hca->srqc_base, |
| 1536 | dev_cap->srq_entry_sz, |
| 1537 | dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1538 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1539 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1540 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1541 | goto err_unmap_cq; |
| 1542 | } |
| 1543 | |
| 1544 | /* |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 1545 | * For flow steering device managed mode it is required to use |
| 1546 | * mlx4_init_icm_table. For B0 steering mode it's not strictly |
| 1547 | * required, but for simplicity just map the whole multicast |
| 1548 | * group table now. The table isn't very big and it's a lot |
| 1549 | * easier than trying to track ref counts. |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1550 | */ |
| 1551 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, |
Eugenia Emantayev | 0ec2c0f | 2011-12-13 04:16:02 +0000 | [diff] [blame] | 1552 | init_hca->mc_base, |
| 1553 | mlx4_get_mgm_entry_size(dev), |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1554 | dev->caps.num_mgms + dev->caps.num_amgms, |
| 1555 | dev->caps.num_mgms + dev->caps.num_amgms, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1556 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1557 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1558 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1559 | goto err_unmap_srq; |
| 1560 | } |
| 1561 | |
| 1562 | return 0; |
| 1563 | |
| 1564 | err_unmap_srq: |
| 1565 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 1566 | |
| 1567 | err_unmap_cq: |
| 1568 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 1569 | |
| 1570 | err_unmap_rdmarc: |
| 1571 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 1572 | |
| 1573 | err_unmap_altc: |
| 1574 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 1575 | |
| 1576 | err_unmap_auxc: |
| 1577 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 1578 | |
| 1579 | err_unmap_qp: |
| 1580 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 1581 | |
| 1582 | err_unmap_dmpt: |
| 1583 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 1584 | |
| 1585 | err_unmap_mtt: |
| 1586 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
| 1587 | |
| 1588 | err_unmap_eq: |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1589 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1590 | |
| 1591 | err_unmap_cmpt: |
| 1592 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 1593 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1594 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1595 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 1596 | |
| 1597 | err_unmap_aux: |
| 1598 | mlx4_UNMAP_ICM_AUX(dev); |
| 1599 | |
| 1600 | err_free_aux: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1601 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1602 | |
| 1603 | return err; |
| 1604 | } |
| 1605 | |
| 1606 | static void mlx4_free_icms(struct mlx4_dev *dev) |
| 1607 | { |
| 1608 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1609 | |
| 1610 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); |
| 1611 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 1612 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 1613 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 1614 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 1615 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 1616 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 1617 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 1618 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1619 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1620 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 1621 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1622 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1623 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1624 | |
| 1625 | mlx4_UNMAP_ICM_AUX(dev); |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1626 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1627 | } |
| 1628 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1629 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
| 1630 | { |
| 1631 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1632 | |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1633 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1634 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, |
| 1635 | MLX4_COMM_TIME)) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1636 | mlx4_warn(dev, "Failed to close slave function\n"); |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1637 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1638 | } |
| 1639 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1640 | static int map_bf_area(struct mlx4_dev *dev) |
| 1641 | { |
| 1642 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1643 | resource_size_t bf_start; |
| 1644 | resource_size_t bf_len; |
| 1645 | int err = 0; |
| 1646 | |
Jack Morgenstein | 3d74747 | 2012-02-19 21:38:52 +0000 | [diff] [blame] | 1647 | if (!dev->caps.bf_reg_size) |
| 1648 | return -ENXIO; |
| 1649 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1650 | bf_start = pci_resource_start(dev->persist->pdev, 2) + |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1651 | (dev->caps.num_uars << PAGE_SHIFT); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1652 | bf_len = pci_resource_len(dev->persist->pdev, 2) - |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1653 | (dev->caps.num_uars << PAGE_SHIFT); |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1654 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
| 1655 | if (!priv->bf_mapping) |
| 1656 | err = -ENOMEM; |
| 1657 | |
| 1658 | return err; |
| 1659 | } |
| 1660 | |
| 1661 | static void unmap_bf_area(struct mlx4_dev *dev) |
| 1662 | { |
| 1663 | if (mlx4_priv(dev)->bf_mapping) |
| 1664 | io_mapping_free(mlx4_priv(dev)->bf_mapping); |
| 1665 | } |
| 1666 | |
Amir Vadai | ec693d4 | 2013-04-23 06:06:49 +0000 | [diff] [blame] | 1667 | cycle_t mlx4_read_clock(struct mlx4_dev *dev) |
| 1668 | { |
| 1669 | u32 clockhi, clocklo, clockhi1; |
| 1670 | cycle_t cycles; |
| 1671 | int i; |
| 1672 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1673 | |
| 1674 | for (i = 0; i < 10; i++) { |
| 1675 | clockhi = swab32(readl(priv->clock_mapping)); |
| 1676 | clocklo = swab32(readl(priv->clock_mapping + 4)); |
| 1677 | clockhi1 = swab32(readl(priv->clock_mapping)); |
| 1678 | if (clockhi == clockhi1) |
| 1679 | break; |
| 1680 | } |
| 1681 | |
| 1682 | cycles = (u64) clockhi << 32 | (u64) clocklo; |
| 1683 | |
| 1684 | return cycles; |
| 1685 | } |
| 1686 | EXPORT_SYMBOL_GPL(mlx4_read_clock); |
| 1687 | |
| 1688 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1689 | static int map_internal_clock(struct mlx4_dev *dev) |
| 1690 | { |
| 1691 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1692 | |
| 1693 | priv->clock_mapping = |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1694 | ioremap(pci_resource_start(dev->persist->pdev, |
| 1695 | priv->fw.clock_bar) + |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1696 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); |
| 1697 | |
| 1698 | if (!priv->clock_mapping) |
| 1699 | return -ENOMEM; |
| 1700 | |
| 1701 | return 0; |
| 1702 | } |
| 1703 | |
Matan Barak | 52033cf | 2015-06-11 16:35:26 +0300 | [diff] [blame] | 1704 | int mlx4_get_internal_clock_params(struct mlx4_dev *dev, |
| 1705 | struct mlx4_clock_params *params) |
| 1706 | { |
| 1707 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1708 | |
| 1709 | if (mlx4_is_slave(dev)) |
| 1710 | return -ENOTSUPP; |
| 1711 | |
| 1712 | if (!params) |
| 1713 | return -EINVAL; |
| 1714 | |
| 1715 | params->bar = priv->fw.clock_bar; |
| 1716 | params->offset = priv->fw.clock_offset; |
| 1717 | params->size = MLX4_CLOCK_SIZE; |
| 1718 | |
| 1719 | return 0; |
| 1720 | } |
| 1721 | EXPORT_SYMBOL_GPL(mlx4_get_internal_clock_params); |
| 1722 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1723 | static void unmap_internal_clock(struct mlx4_dev *dev) |
| 1724 | { |
| 1725 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1726 | |
| 1727 | if (priv->clock_mapping) |
| 1728 | iounmap(priv->clock_mapping); |
| 1729 | } |
| 1730 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1731 | static void mlx4_close_hca(struct mlx4_dev *dev) |
| 1732 | { |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1733 | unmap_internal_clock(dev); |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1734 | unmap_bf_area(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1735 | if (mlx4_is_slave(dev)) |
| 1736 | mlx4_slave_exit(dev); |
| 1737 | else { |
| 1738 | mlx4_CLOSE_HCA(dev, 0); |
| 1739 | mlx4_free_icms(dev); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 1740 | } |
| 1741 | } |
| 1742 | |
| 1743 | static void mlx4_close_fw(struct mlx4_dev *dev) |
| 1744 | { |
| 1745 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1746 | mlx4_UNMAP_FA(dev); |
| 1747 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
| 1748 | } |
| 1749 | } |
| 1750 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 1751 | static int mlx4_comm_check_offline(struct mlx4_dev *dev) |
| 1752 | { |
| 1753 | #define COMM_CHAN_OFFLINE_OFFSET 0x09 |
| 1754 | |
| 1755 | u32 comm_flags; |
| 1756 | u32 offline_bit; |
| 1757 | unsigned long end; |
| 1758 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1759 | |
| 1760 | end = msecs_to_jiffies(MLX4_COMM_OFFLINE_TIME_OUT) + jiffies; |
| 1761 | while (time_before(jiffies, end)) { |
| 1762 | comm_flags = swab32(readl((__iomem char *)priv->mfunc.comm + |
| 1763 | MLX4_COMM_CHAN_FLAGS)); |
| 1764 | offline_bit = (comm_flags & |
| 1765 | (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); |
| 1766 | if (!offline_bit) |
| 1767 | return 0; |
| 1768 | /* There are cases as part of AER/Reset flow that PF needs |
| 1769 | * around 100 msec to load. We therefore sleep for 100 msec |
| 1770 | * to allow other tasks to make use of that CPU during this |
| 1771 | * time interval. |
| 1772 | */ |
| 1773 | msleep(100); |
| 1774 | } |
| 1775 | mlx4_err(dev, "Communication channel is offline.\n"); |
| 1776 | return -EIO; |
| 1777 | } |
| 1778 | |
| 1779 | static void mlx4_reset_vf_support(struct mlx4_dev *dev) |
| 1780 | { |
| 1781 | #define COMM_CHAN_RST_OFFSET 0x1e |
| 1782 | |
| 1783 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1784 | u32 comm_rst; |
| 1785 | u32 comm_caps; |
| 1786 | |
| 1787 | comm_caps = swab32(readl((__iomem char *)priv->mfunc.comm + |
| 1788 | MLX4_COMM_CHAN_CAPS)); |
| 1789 | comm_rst = (comm_caps & (u32)(1 << COMM_CHAN_RST_OFFSET)); |
| 1790 | |
| 1791 | if (comm_rst) |
| 1792 | dev->caps.vf_caps |= MLX4_VF_CAP_FLAG_RESET; |
| 1793 | } |
| 1794 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1795 | static int mlx4_init_slave(struct mlx4_dev *dev) |
| 1796 | { |
| 1797 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1798 | u64 dma = (u64) priv->mfunc.vhcr_dma; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1799 | int ret_from_reset = 0; |
| 1800 | u32 slave_read; |
| 1801 | u32 cmd_channel_ver; |
| 1802 | |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 1803 | if (atomic_read(&pf_loading)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1804 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 1805 | return -EPROBE_DEFER; |
| 1806 | } |
| 1807 | |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1808 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1809 | priv->cmd.max_cmds = 1; |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 1810 | if (mlx4_comm_check_offline(dev)) { |
| 1811 | mlx4_err(dev, "PF is not responsive, skipping initialization\n"); |
| 1812 | goto err_offline; |
| 1813 | } |
| 1814 | |
| 1815 | mlx4_reset_vf_support(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1816 | mlx4_warn(dev, "Sending reset\n"); |
| 1817 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1818 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1819 | /* if we are in the middle of flr the slave will try |
| 1820 | * NUM_OF_RESET_RETRIES times before leaving.*/ |
| 1821 | if (ret_from_reset) { |
| 1822 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1823 | mlx4_warn(dev, "slave is currently in the middle of FLR - Deferring probe\n"); |
Jack Morgenstein | 5efe535 | 2013-06-04 05:13:27 +0000 | [diff] [blame] | 1824 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
| 1825 | return -EPROBE_DEFER; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1826 | } else |
| 1827 | goto err; |
| 1828 | } |
| 1829 | |
| 1830 | /* check the driver version - the slave I/F revision |
| 1831 | * must match the master's */ |
| 1832 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); |
| 1833 | cmd_channel_ver = mlx4_comm_get_version(); |
| 1834 | |
| 1835 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != |
| 1836 | MLX4_COMM_GET_IF_REV(slave_read)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1837 | mlx4_err(dev, "slave driver version is not supported by the master\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1838 | goto err; |
| 1839 | } |
| 1840 | |
| 1841 | mlx4_warn(dev, "Sending vhcr0\n"); |
| 1842 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1843 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1844 | goto err; |
| 1845 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1846 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1847 | goto err; |
| 1848 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1849 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1850 | goto err; |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1851 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, |
| 1852 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1853 | goto err; |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1854 | |
| 1855 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1856 | return 0; |
| 1857 | |
| 1858 | err: |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1859 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, 0); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 1860 | err_offline: |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1861 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1862 | return -EIO; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1863 | } |
| 1864 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1865 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
| 1866 | { |
| 1867 | int i; |
| 1868 | |
| 1869 | for (i = 1; i <= dev->caps.num_ports; i++) { |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 1870 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
| 1871 | dev->caps.gid_table_len[i] = |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 1872 | mlx4_get_slave_num_gids(dev, 0, i); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 1873 | else |
| 1874 | dev->caps.gid_table_len[i] = 1; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1875 | dev->caps.pkey_table_len[i] = |
| 1876 | dev->phys_caps.pkey_phys_table_len[i] - 1; |
| 1877 | } |
| 1878 | } |
| 1879 | |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 1880 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
| 1881 | { |
| 1882 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; |
| 1883 | |
| 1884 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; |
| 1885 | i++) { |
| 1886 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) |
| 1887 | break; |
| 1888 | } |
| 1889 | |
| 1890 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; |
| 1891 | } |
| 1892 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 1893 | static const char *dmfs_high_rate_steering_mode_str(int dmfs_high_steer_mode) |
| 1894 | { |
| 1895 | switch (dmfs_high_steer_mode) { |
| 1896 | case MLX4_STEERING_DMFS_A0_DEFAULT: |
| 1897 | return "default performance"; |
| 1898 | |
| 1899 | case MLX4_STEERING_DMFS_A0_DYNAMIC: |
| 1900 | return "dynamic hybrid mode"; |
| 1901 | |
| 1902 | case MLX4_STEERING_DMFS_A0_STATIC: |
| 1903 | return "performance optimized for limited rule configuration (static)"; |
| 1904 | |
| 1905 | case MLX4_STEERING_DMFS_A0_DISABLE: |
| 1906 | return "disabled performance optimized steering"; |
| 1907 | |
| 1908 | case MLX4_STEERING_DMFS_A0_NOT_SUPPORTED: |
| 1909 | return "performance optimized steering not supported"; |
| 1910 | |
| 1911 | default: |
| 1912 | return "Unrecognized mode"; |
| 1913 | } |
| 1914 | } |
| 1915 | |
| 1916 | #define MLX4_DMFS_A0_STEERING (1UL << 2) |
| 1917 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1918 | static void choose_steering_mode(struct mlx4_dev *dev, |
| 1919 | struct mlx4_dev_cap *dev_cap) |
| 1920 | { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 1921 | if (mlx4_log_num_mgm_entry_size <= 0) { |
| 1922 | if ((-mlx4_log_num_mgm_entry_size) & MLX4_DMFS_A0_STEERING) { |
| 1923 | if (dev->caps.dmfs_high_steer_mode == |
| 1924 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 1925 | mlx4_err(dev, "DMFS high rate mode not supported\n"); |
| 1926 | else |
| 1927 | dev->caps.dmfs_high_steer_mode = |
| 1928 | MLX4_STEERING_DMFS_A0_STATIC; |
| 1929 | } |
| 1930 | } |
| 1931 | |
| 1932 | if (mlx4_log_num_mgm_entry_size <= 0 && |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 1933 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1934 | (!mlx4_is_mfunc(dev) || |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1935 | (dev_cap->fs_max_num_qp_per_entry >= |
| 1936 | (dev->persist->num_vfs + 1))) && |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 1937 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
| 1938 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { |
| 1939 | dev->oper_log_mgm_entry_size = |
| 1940 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1941 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
| 1942 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; |
| 1943 | dev->caps.fs_log_max_ucast_qp_range_size = |
| 1944 | dev_cap->fs_log_max_ucast_qp_range_size; |
| 1945 | } else { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 1946 | if (dev->caps.dmfs_high_steer_mode != |
| 1947 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 1948 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DISABLE; |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1949 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
| 1950 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) |
| 1951 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; |
| 1952 | else { |
| 1953 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; |
| 1954 | |
| 1955 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || |
| 1956 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1957 | mlx4_warn(dev, "Must have both UC_STEER and MC_STEER flags set to use B0 steering - falling back to A0 steering mode\n"); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1958 | } |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 1959 | dev->oper_log_mgm_entry_size = |
| 1960 | mlx4_log_num_mgm_entry_size > 0 ? |
| 1961 | mlx4_log_num_mgm_entry_size : |
| 1962 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1963 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
| 1964 | } |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1965 | mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, modparam log_num_mgm_entry_size = %d\n", |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 1966 | mlx4_steering_mode_str(dev->caps.steering_mode), |
| 1967 | dev->oper_log_mgm_entry_size, |
| 1968 | mlx4_log_num_mgm_entry_size); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 1969 | } |
| 1970 | |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 1971 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
| 1972 | struct mlx4_dev_cap *dev_cap) |
| 1973 | { |
| 1974 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && |
Or Gerlitz | 5eff6da | 2015-01-15 15:28:54 +0200 | [diff] [blame] | 1975 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 1976 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; |
| 1977 | else |
| 1978 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; |
| 1979 | |
| 1980 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode |
| 1981 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); |
| 1982 | } |
| 1983 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 1984 | static int mlx4_validate_optimized_steering(struct mlx4_dev *dev) |
| 1985 | { |
| 1986 | int i; |
| 1987 | struct mlx4_port_cap port_cap; |
| 1988 | |
| 1989 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 1990 | return -EINVAL; |
| 1991 | |
| 1992 | for (i = 1; i <= dev->caps.num_ports; i++) { |
| 1993 | if (mlx4_dev_port(dev, i, &port_cap)) { |
| 1994 | mlx4_err(dev, |
| 1995 | "QUERY_DEV_CAP command failed, can't veify DMFS high rate steering.\n"); |
| 1996 | } else if ((dev->caps.dmfs_high_steer_mode != |
| 1997 | MLX4_STEERING_DMFS_A0_DEFAULT) && |
| 1998 | (port_cap.dmfs_optimized_state == |
| 1999 | !!(dev->caps.dmfs_high_steer_mode == |
| 2000 | MLX4_STEERING_DMFS_A0_DISABLE))) { |
| 2001 | mlx4_err(dev, |
| 2002 | "DMFS high rate steer mode differ, driver requested %s but %s in FW.\n", |
| 2003 | dmfs_high_rate_steering_mode_str( |
| 2004 | dev->caps.dmfs_high_steer_mode), |
| 2005 | (port_cap.dmfs_optimized_state ? |
| 2006 | "enabled" : "disabled")); |
| 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | return 0; |
| 2011 | } |
| 2012 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2013 | static int mlx4_init_fw(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2014 | { |
Vladimir Sokolovsky | 2d92865 | 2008-07-14 23:48:53 -0700 | [diff] [blame] | 2015 | struct mlx4_mod_stat_cfg mlx4_cfg; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2016 | int err = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2017 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2018 | if (!mlx4_is_slave(dev)) { |
| 2019 | err = mlx4_QUERY_FW(dev); |
| 2020 | if (err) { |
| 2021 | if (err == -EACCES) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2022 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2023 | else |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2024 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2025 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2026 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2027 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2028 | err = mlx4_load_fw(dev); |
| 2029 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2030 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2031 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2032 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2033 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2034 | mlx4_cfg.log_pg_sz_m = 1; |
| 2035 | mlx4_cfg.log_pg_sz = 0; |
| 2036 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); |
| 2037 | if (err) |
| 2038 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2039 | } |
Vladimir Sokolovsky | 2d92865 | 2008-07-14 23:48:53 -0700 | [diff] [blame] | 2040 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2041 | return err; |
| 2042 | } |
| 2043 | |
| 2044 | static int mlx4_init_hca(struct mlx4_dev *dev) |
| 2045 | { |
| 2046 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2047 | struct mlx4_adapter adapter; |
| 2048 | struct mlx4_dev_cap dev_cap; |
| 2049 | struct mlx4_profile profile; |
| 2050 | struct mlx4_init_hca_param init_hca; |
| 2051 | u64 icm_size; |
| 2052 | struct mlx4_config_dev_params params; |
| 2053 | int err; |
| 2054 | |
| 2055 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2056 | err = mlx4_dev_cap(dev, &dev_cap); |
| 2057 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2058 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2059 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2060 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2061 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2062 | choose_steering_mode(dev, &dev_cap); |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 2063 | choose_tunnel_offload_mode(dev, &dev_cap); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2064 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2065 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC && |
| 2066 | mlx4_is_master(dev)) |
| 2067 | dev->caps.function_caps |= MLX4_FUNC_CAP_DMFS_A0_STATIC; |
| 2068 | |
Hadar Hen Zion | 8e1a28e | 2013-12-19 21:20:12 +0200 | [diff] [blame] | 2069 | err = mlx4_get_phys_port_id(dev); |
| 2070 | if (err) |
| 2071 | mlx4_err(dev, "Fail to get physical port id\n"); |
| 2072 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2073 | if (mlx4_is_master(dev)) |
| 2074 | mlx4_parav_master_pf_caps(dev); |
| 2075 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 2076 | if (mlx4_low_memory_profile()) { |
| 2077 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); |
| 2078 | profile = low_mem_profile; |
| 2079 | } else { |
| 2080 | profile = default_profile; |
| 2081 | } |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 2082 | if (dev->caps.steering_mode == |
| 2083 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 2084 | profile.num_mcg = MLX4_FS_NUM_MCG; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2085 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2086 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
| 2087 | &init_hca); |
| 2088 | if ((long long) icm_size < 0) { |
| 2089 | err = icm_size; |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2090 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2091 | } |
| 2092 | |
Eli Cohen | a5bbe89 | 2012-02-09 18:10:06 +0200 | [diff] [blame] | 2093 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
| 2094 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2095 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
| 2096 | init_hca.uar_page_sz = PAGE_SHIFT - 12; |
Shani Michaeli | e448834 | 2013-02-06 16:19:11 +0000 | [diff] [blame] | 2097 | init_hca.mw_enabled = 0; |
| 2098 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
| 2099 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) |
| 2100 | init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2101 | |
| 2102 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
| 2103 | if (err) |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2104 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2105 | |
| 2106 | err = mlx4_INIT_HCA(dev, &init_hca); |
| 2107 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2108 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2109 | goto err_free_icm; |
| 2110 | } |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2111 | |
| 2112 | if (dev_cap.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { |
| 2113 | err = mlx4_query_func(dev, &dev_cap); |
| 2114 | if (err < 0) { |
| 2115 | mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n"); |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2116 | goto err_close; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2117 | } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) { |
| 2118 | dev->caps.num_eqs = dev_cap.max_eqs; |
| 2119 | dev->caps.reserved_eqs = dev_cap.reserved_eqs; |
| 2120 | dev->caps.reserved_uars = dev_cap.reserved_uars; |
| 2121 | } |
| 2122 | } |
| 2123 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2124 | /* |
| 2125 | * If TS is supported by FW |
| 2126 | * read HCA frequency by QUERY_HCA command |
| 2127 | */ |
| 2128 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { |
| 2129 | memset(&init_hca, 0, sizeof(init_hca)); |
| 2130 | err = mlx4_QUERY_HCA(dev, &init_hca); |
| 2131 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2132 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2133 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
| 2134 | } else { |
| 2135 | dev->caps.hca_core_clock = |
| 2136 | init_hca.hca_core_clock; |
| 2137 | } |
| 2138 | |
| 2139 | /* In case we got HCA frequency 0 - disable timestamping |
| 2140 | * to avoid dividing by zero |
| 2141 | */ |
| 2142 | if (!dev->caps.hca_core_clock) { |
| 2143 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
| 2144 | mlx4_err(dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2145 | "HCA frequency is 0 - timestamping is not supported\n"); |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2146 | } else if (map_internal_clock(dev)) { |
| 2147 | /* |
| 2148 | * Map internal clock, |
| 2149 | * in case of failure disable timestamping |
| 2150 | */ |
| 2151 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2152 | mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported\n"); |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2153 | } |
| 2154 | } |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2155 | |
| 2156 | if (dev->caps.dmfs_high_steer_mode != |
| 2157 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) { |
| 2158 | if (mlx4_validate_optimized_steering(dev)) |
| 2159 | mlx4_warn(dev, "Optimized steering validation failed\n"); |
| 2160 | |
| 2161 | if (dev->caps.dmfs_high_steer_mode == |
| 2162 | MLX4_STEERING_DMFS_A0_DISABLE) { |
| 2163 | dev->caps.dmfs_high_rate_qpn_base = |
| 2164 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 2165 | dev->caps.dmfs_high_rate_qpn_range = |
| 2166 | MLX4_A0_STEERING_TABLE_SIZE; |
| 2167 | } |
| 2168 | |
| 2169 | mlx4_dbg(dev, "DMFS high rate steer mode is: %s\n", |
| 2170 | dmfs_high_rate_steering_mode_str( |
| 2171 | dev->caps.dmfs_high_steer_mode)); |
| 2172 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2173 | } else { |
| 2174 | err = mlx4_init_slave(dev); |
| 2175 | if (err) { |
Jack Morgenstein | 5efe535 | 2013-06-04 05:13:27 +0000 | [diff] [blame] | 2176 | if (err != -EPROBE_DEFER) |
| 2177 | mlx4_err(dev, "Failed to initialize slave\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2178 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2179 | } |
| 2180 | |
| 2181 | err = mlx4_slave_cap(dev); |
| 2182 | if (err) { |
| 2183 | mlx4_err(dev, "Failed to obtain slave caps\n"); |
| 2184 | goto err_close; |
| 2185 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2186 | } |
| 2187 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 2188 | if (map_bf_area(dev)) |
| 2189 | mlx4_dbg(dev, "Failed to map blue flame area\n"); |
| 2190 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2191 | /*Only the master set the ports, all the rest got it from it.*/ |
| 2192 | if (!mlx4_is_slave(dev)) |
| 2193 | mlx4_set_port_mask(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2194 | |
| 2195 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
| 2196 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2197 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2198 | goto unmap_bf; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2199 | } |
| 2200 | |
Shani Michaeli | f8c6455 | 2014-11-09 13:51:53 +0200 | [diff] [blame] | 2201 | /* Query CONFIG_DEV parameters */ |
| 2202 | err = mlx4_config_dev_retrieval(dev, ¶ms); |
| 2203 | if (err && err != -ENOTSUPP) { |
| 2204 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); |
| 2205 | } else if (!err) { |
| 2206 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; |
| 2207 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; |
| 2208 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2209 | priv->eq_table.inta_pin = adapter.inta_pin; |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 2210 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2211 | |
| 2212 | return 0; |
| 2213 | |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2214 | unmap_bf: |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2215 | unmap_internal_clock(dev); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2216 | unmap_bf_area(dev); |
| 2217 | |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 2218 | if (mlx4_is_slave(dev)) { |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 2219 | kfree(dev->caps.qp0_qkey); |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 2220 | kfree(dev->caps.qp0_tunnel); |
| 2221 | kfree(dev->caps.qp0_proxy); |
| 2222 | kfree(dev->caps.qp1_tunnel); |
| 2223 | kfree(dev->caps.qp1_proxy); |
| 2224 | } |
| 2225 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2226 | err_close: |
Dotan Barak | 41929ed | 2012-10-21 14:59:23 +0000 | [diff] [blame] | 2227 | if (mlx4_is_slave(dev)) |
| 2228 | mlx4_slave_exit(dev); |
| 2229 | else |
| 2230 | mlx4_CLOSE_HCA(dev, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2231 | |
| 2232 | err_free_icm: |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2233 | if (!mlx4_is_slave(dev)) |
| 2234 | mlx4_free_icms(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2235 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2236 | return err; |
| 2237 | } |
| 2238 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2239 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
| 2240 | { |
| 2241 | struct mlx4_priv *priv = mlx4_priv(dev); |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 2242 | int nent_pow2; |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2243 | |
| 2244 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2245 | return -ENOENT; |
| 2246 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2247 | if (!dev->caps.max_counters) |
| 2248 | return -ENOSPC; |
| 2249 | |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 2250 | nent_pow2 = roundup_pow_of_two(dev->caps.max_counters); |
| 2251 | /* reserve last counter index for sink counter */ |
| 2252 | return mlx4_bitmap_init(&priv->counters_bitmap, nent_pow2, |
| 2253 | nent_pow2 - 1, 0, |
| 2254 | nent_pow2 - dev->caps.max_counters + 1); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2255 | } |
| 2256 | |
| 2257 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) |
| 2258 | { |
Eran Ben Elisha | efa6bc9 | 2015-06-15 17:58:56 +0300 | [diff] [blame] | 2259 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2260 | return; |
| 2261 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2262 | if (!dev->caps.max_counters) |
| 2263 | return; |
| 2264 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2265 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); |
| 2266 | } |
| 2267 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2268 | static void mlx4_cleanup_default_counters(struct mlx4_dev *dev) |
| 2269 | { |
| 2270 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2271 | int port; |
| 2272 | |
| 2273 | for (port = 0; port < dev->caps.num_ports; port++) |
| 2274 | if (priv->def_counter[port] != -1) |
| 2275 | mlx4_counter_free(dev, priv->def_counter[port]); |
| 2276 | } |
| 2277 | |
| 2278 | static int mlx4_allocate_default_counters(struct mlx4_dev *dev) |
| 2279 | { |
| 2280 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2281 | int port, err = 0; |
| 2282 | u32 idx; |
| 2283 | |
| 2284 | for (port = 0; port < dev->caps.num_ports; port++) |
| 2285 | priv->def_counter[port] = -1; |
| 2286 | |
| 2287 | for (port = 0; port < dev->caps.num_ports; port++) { |
| 2288 | err = mlx4_counter_alloc(dev, &idx); |
| 2289 | |
| 2290 | if (!err || err == -ENOSPC) { |
| 2291 | priv->def_counter[port] = idx; |
| 2292 | } else if (err == -ENOENT) { |
| 2293 | err = 0; |
| 2294 | continue; |
Or Gerlitz | 178d23e | 2015-07-22 16:53:46 +0300 | [diff] [blame] | 2295 | } else if (mlx4_is_slave(dev) && err == -EINVAL) { |
| 2296 | priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); |
| 2297 | mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", |
| 2298 | MLX4_SINK_COUNTER_INDEX(dev)); |
| 2299 | err = 0; |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2300 | } else { |
| 2301 | mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", |
| 2302 | __func__, port + 1, err); |
| 2303 | mlx4_cleanup_default_counters(dev); |
| 2304 | return err; |
| 2305 | } |
| 2306 | |
| 2307 | mlx4_dbg(dev, "%s: default counter index %d for port %d\n", |
| 2308 | __func__, priv->def_counter[port], port + 1); |
| 2309 | } |
| 2310 | |
| 2311 | return err; |
| 2312 | } |
| 2313 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2314 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2315 | { |
| 2316 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2317 | |
| 2318 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2319 | return -ENOENT; |
| 2320 | |
| 2321 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2322 | if (*idx == -1) { |
| 2323 | *idx = MLX4_SINK_COUNTER_INDEX(dev); |
| 2324 | return -ENOSPC; |
| 2325 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2326 | |
| 2327 | return 0; |
| 2328 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2329 | |
| 2330 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
| 2331 | { |
| 2332 | u64 out_param; |
| 2333 | int err; |
| 2334 | |
| 2335 | if (mlx4_is_mfunc(dev)) { |
| 2336 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, |
| 2337 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, |
| 2338 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
| 2339 | if (!err) |
| 2340 | *idx = get_param_l(&out_param); |
| 2341 | |
| 2342 | return err; |
| 2343 | } |
| 2344 | return __mlx4_counter_alloc(dev, idx); |
| 2345 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2346 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
| 2347 | |
Eran Ben Elisha | b72ca7e | 2015-06-15 17:58:57 +0300 | [diff] [blame] | 2348 | static int __mlx4_clear_if_stat(struct mlx4_dev *dev, |
| 2349 | u8 counter_index) |
| 2350 | { |
| 2351 | struct mlx4_cmd_mailbox *if_stat_mailbox; |
| 2352 | int err; |
| 2353 | u32 if_stat_in_mod = (counter_index & 0xff) | MLX4_QUERY_IF_STAT_RESET; |
| 2354 | |
| 2355 | if_stat_mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 2356 | if (IS_ERR(if_stat_mailbox)) |
| 2357 | return PTR_ERR(if_stat_mailbox); |
| 2358 | |
| 2359 | err = mlx4_cmd_box(dev, 0, if_stat_mailbox->dma, if_stat_in_mod, 0, |
| 2360 | MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C, |
| 2361 | MLX4_CMD_NATIVE); |
| 2362 | |
| 2363 | mlx4_free_cmd_mailbox(dev, if_stat_mailbox); |
| 2364 | return err; |
| 2365 | } |
| 2366 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2367 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2368 | { |
Eran Ben Elisha | efa6bc9 | 2015-06-15 17:58:56 +0300 | [diff] [blame] | 2369 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2370 | return; |
| 2371 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2372 | if (idx == MLX4_SINK_COUNTER_INDEX(dev)) |
| 2373 | return; |
| 2374 | |
Eran Ben Elisha | b72ca7e | 2015-06-15 17:58:57 +0300 | [diff] [blame] | 2375 | __mlx4_clear_if_stat(dev, idx); |
| 2376 | |
Jack Morgenstein | 7c6d74d | 2013-12-08 16:50:17 +0200 | [diff] [blame] | 2377 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2378 | return; |
| 2379 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2380 | |
| 2381 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
| 2382 | { |
Jack Morgenstein | e7dbeba | 2013-03-07 03:46:54 +0000 | [diff] [blame] | 2383 | u64 in_param = 0; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2384 | |
| 2385 | if (mlx4_is_mfunc(dev)) { |
| 2386 | set_param_l(&in_param, idx); |
| 2387 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, |
| 2388 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, |
| 2389 | MLX4_CMD_WRAPPED); |
| 2390 | return; |
| 2391 | } |
| 2392 | __mlx4_counter_free(dev, idx); |
| 2393 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2394 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
| 2395 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2396 | int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port) |
| 2397 | { |
| 2398 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2399 | |
| 2400 | return priv->def_counter[port - 1]; |
| 2401 | } |
| 2402 | EXPORT_SYMBOL_GPL(mlx4_get_default_counter_index); |
| 2403 | |
Yishai Hadas | 773af94 | 2015-03-03 10:54:48 +0200 | [diff] [blame] | 2404 | void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, int port) |
| 2405 | { |
| 2406 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2407 | |
| 2408 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; |
| 2409 | } |
| 2410 | EXPORT_SYMBOL_GPL(mlx4_set_admin_guid); |
| 2411 | |
| 2412 | __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) |
| 2413 | { |
| 2414 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2415 | |
| 2416 | return priv->mfunc.master.vf_admin[entry].vport[port].guid; |
| 2417 | } |
| 2418 | EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); |
| 2419 | |
Yishai Hadas | fb517a4 | 2015-03-03 11:23:32 +0200 | [diff] [blame] | 2420 | void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) |
| 2421 | { |
| 2422 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2423 | __be64 guid; |
| 2424 | |
| 2425 | /* hw GUID */ |
| 2426 | if (entry == 0) |
| 2427 | return; |
| 2428 | |
| 2429 | get_random_bytes((char *)&guid, sizeof(guid)); |
| 2430 | guid &= ~(cpu_to_be64(1ULL << 56)); |
| 2431 | guid |= cpu_to_be64(1ULL << 57); |
| 2432 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; |
| 2433 | } |
| 2434 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 2435 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2436 | { |
| 2437 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2438 | int err; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2439 | int port; |
Jack Morgenstein | 9a5aa62 | 2008-11-28 21:29:46 -0800 | [diff] [blame] | 2440 | __be32 ib_port_default_caps; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2441 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2442 | err = mlx4_init_uar_table(dev); |
| 2443 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2444 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
| 2445 | return err; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2446 | } |
| 2447 | |
| 2448 | err = mlx4_uar_alloc(dev, &priv->driver_uar); |
| 2449 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2450 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2451 | goto err_uar_table_free; |
| 2452 | } |
| 2453 | |
Roland Dreier | 4979d18 | 2011-01-12 09:50:36 -0800 | [diff] [blame] | 2454 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2455 | if (!priv->kar) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2456 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2457 | err = -ENOMEM; |
| 2458 | goto err_uar_free; |
| 2459 | } |
| 2460 | |
| 2461 | err = mlx4_init_pd_table(dev); |
| 2462 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2463 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2464 | goto err_kar_unmap; |
| 2465 | } |
| 2466 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2467 | err = mlx4_init_xrcd_table(dev); |
| 2468 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2469 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2470 | goto err_pd_table_free; |
| 2471 | } |
| 2472 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2473 | err = mlx4_init_mr_table(dev); |
| 2474 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2475 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2476 | goto err_xrcd_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2477 | } |
| 2478 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2479 | if (!mlx4_is_slave(dev)) { |
| 2480 | err = mlx4_init_mcg_table(dev); |
| 2481 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2482 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2483 | goto err_mr_table_free; |
| 2484 | } |
Jack Morgenstein | 114840c | 2014-06-01 11:53:50 +0300 | [diff] [blame] | 2485 | err = mlx4_config_mad_demux(dev); |
| 2486 | if (err) { |
| 2487 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); |
| 2488 | goto err_mcg_table_free; |
| 2489 | } |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2490 | } |
| 2491 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2492 | err = mlx4_init_eq_table(dev); |
| 2493 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2494 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2495 | goto err_mcg_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2496 | } |
| 2497 | |
| 2498 | err = mlx4_cmd_use_events(dev); |
| 2499 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2500 | mlx4_err(dev, "Failed to switch to event-driven firmware commands, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2501 | goto err_eq_table_free; |
| 2502 | } |
| 2503 | |
| 2504 | err = mlx4_NOP(dev); |
| 2505 | if (err) { |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2506 | if (dev->flags & MLX4_FLAG_MSI_X) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2507 | mlx4_warn(dev, "NOP command failed to generate MSI-X interrupt IRQ %d)\n", |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2508 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2509 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2510 | } else { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2511 | mlx4_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting\n", |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2512 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2513 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2514 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2515 | |
| 2516 | goto err_cmd_poll; |
| 2517 | } |
| 2518 | |
| 2519 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); |
| 2520 | |
| 2521 | err = mlx4_init_cq_table(dev); |
| 2522 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2523 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2524 | goto err_cmd_poll; |
| 2525 | } |
| 2526 | |
| 2527 | err = mlx4_init_srq_table(dev); |
| 2528 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2529 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2530 | goto err_cq_table_free; |
| 2531 | } |
| 2532 | |
| 2533 | err = mlx4_init_qp_table(dev); |
| 2534 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2535 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2536 | goto err_srq_table_free; |
| 2537 | } |
| 2538 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2539 | if (!mlx4_is_slave(dev)) { |
| 2540 | err = mlx4_init_counters_table(dev); |
| 2541 | if (err && err != -ENOENT) { |
| 2542 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); |
| 2543 | goto err_qp_table_free; |
| 2544 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2545 | } |
| 2546 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2547 | err = mlx4_allocate_default_counters(dev); |
| 2548 | if (err) { |
| 2549 | mlx4_err(dev, "Failed to allocate default counters, aborting\n"); |
| 2550 | goto err_counters_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2551 | } |
| 2552 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2553 | if (!mlx4_is_slave(dev)) { |
| 2554 | for (port = 1; port <= dev->caps.num_ports; port++) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2555 | ib_port_default_caps = 0; |
| 2556 | err = mlx4_get_port_ib_caps(dev, port, |
| 2557 | &ib_port_default_caps); |
| 2558 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2559 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
| 2560 | port, err); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2561 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
Marcel Apfelbaum | 97285b7 | 2011-10-24 11:02:34 +0200 | [diff] [blame] | 2562 | |
Jack Morgenstein | 2aca117 | 2012-06-19 11:21:41 +0300 | [diff] [blame] | 2563 | /* initialize per-slave default ib port capabilities */ |
| 2564 | if (mlx4_is_master(dev)) { |
| 2565 | int i; |
| 2566 | for (i = 0; i < dev->num_slaves; i++) { |
| 2567 | if (i == mlx4_master_func_num(dev)) |
| 2568 | continue; |
| 2569 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2570 | ib_port_default_caps; |
Jack Morgenstein | 2aca117 | 2012-06-19 11:21:41 +0300 | [diff] [blame] | 2571 | } |
| 2572 | } |
| 2573 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2574 | if (mlx4_is_mfunc(dev)) |
| 2575 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; |
| 2576 | else |
| 2577 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; |
Marcel Apfelbaum | 97285b7 | 2011-10-24 11:02:34 +0200 | [diff] [blame] | 2578 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2579 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
| 2580 | dev->caps.pkey_table_len[port] : -1); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2581 | if (err) { |
| 2582 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2583 | port); |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2584 | goto err_default_countes_free; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2585 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2586 | } |
| 2587 | } |
| 2588 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2589 | return 0; |
| 2590 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2591 | err_default_countes_free: |
| 2592 | mlx4_cleanup_default_counters(dev); |
| 2593 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2594 | err_counters_table_free: |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2595 | if (!mlx4_is_slave(dev)) |
| 2596 | mlx4_cleanup_counters_table(dev); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2597 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2598 | err_qp_table_free: |
| 2599 | mlx4_cleanup_qp_table(dev); |
| 2600 | |
| 2601 | err_srq_table_free: |
| 2602 | mlx4_cleanup_srq_table(dev); |
| 2603 | |
| 2604 | err_cq_table_free: |
| 2605 | mlx4_cleanup_cq_table(dev); |
| 2606 | |
| 2607 | err_cmd_poll: |
| 2608 | mlx4_cmd_use_polling(dev); |
| 2609 | |
| 2610 | err_eq_table_free: |
| 2611 | mlx4_cleanup_eq_table(dev); |
| 2612 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2613 | err_mcg_table_free: |
| 2614 | if (!mlx4_is_slave(dev)) |
| 2615 | mlx4_cleanup_mcg_table(dev); |
| 2616 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 2617 | err_mr_table_free: |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2618 | mlx4_cleanup_mr_table(dev); |
| 2619 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2620 | err_xrcd_table_free: |
| 2621 | mlx4_cleanup_xrcd_table(dev); |
| 2622 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2623 | err_pd_table_free: |
| 2624 | mlx4_cleanup_pd_table(dev); |
| 2625 | |
| 2626 | err_kar_unmap: |
| 2627 | iounmap(priv->kar); |
| 2628 | |
| 2629 | err_uar_free: |
| 2630 | mlx4_uar_free(dev, &priv->driver_uar); |
| 2631 | |
| 2632 | err_uar_table_free: |
| 2633 | mlx4_cleanup_uar_table(dev); |
| 2634 | return err; |
| 2635 | } |
| 2636 | |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2637 | static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn) |
| 2638 | { |
| 2639 | int requested_cpu = 0; |
| 2640 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2641 | struct mlx4_eq *eq; |
| 2642 | int off = 0; |
| 2643 | int i; |
| 2644 | |
| 2645 | if (eqn > dev->caps.num_comp_vectors) |
| 2646 | return -EINVAL; |
| 2647 | |
| 2648 | for (i = 1; i < port; i++) |
| 2649 | off += mlx4_get_eqs_per_port(dev, i); |
| 2650 | |
| 2651 | requested_cpu = eqn - off - !!(eqn > MLX4_EQ_ASYNC); |
| 2652 | |
| 2653 | /* Meaning EQs are shared, and this call comes from the second port */ |
| 2654 | if (requested_cpu < 0) |
| 2655 | return 0; |
| 2656 | |
| 2657 | eq = &priv->eq_table.eq[eqn]; |
| 2658 | |
| 2659 | if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL)) |
| 2660 | return -ENOMEM; |
| 2661 | |
| 2662 | cpumask_set_cpu(requested_cpu, eq->affinity_mask); |
| 2663 | |
| 2664 | return 0; |
| 2665 | } |
| 2666 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 2667 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2668 | { |
| 2669 | struct mlx4_priv *priv = mlx4_priv(dev); |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2670 | struct msix_entry *entries; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2671 | int i; |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2672 | int port = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2673 | |
| 2674 | if (msi_x) { |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2675 | int nreq = dev->caps.num_ports * num_online_cpus() + 1; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2676 | |
Or Gerlitz | ca4c7b3 | 2013-01-17 05:30:43 +0000 | [diff] [blame] | 2677 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
| 2678 | nreq); |
Carol L Soto | 85121d6 | 2015-10-07 12:31:46 -0400 | [diff] [blame] | 2679 | if (nreq > MAX_MSIX) |
Carol L Soto | 9293267 | 2015-08-27 14:43:25 -0500 | [diff] [blame] | 2680 | nreq = MAX_MSIX; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2681 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2682 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
| 2683 | if (!entries) |
| 2684 | goto no_msi; |
| 2685 | |
| 2686 | for (i = 0; i < nreq; ++i) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2687 | entries[i].entry = i; |
| 2688 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2689 | nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2, |
| 2690 | nreq); |
Alexander Gordeev | 66e2f9c | 2014-02-18 11:11:47 +0100 | [diff] [blame] | 2691 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2692 | if (nreq < 0 || nreq < MLX4_EQ_ASYNC) { |
Nicolas Morey-Chaisemartin | 5bf0da7 | 2009-04-21 10:11:06 -0700 | [diff] [blame] | 2693 | kfree(entries); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2694 | goto no_msi; |
Yevgeny Petrilin | 0b7ca5a | 2011-03-22 22:37:47 +0000 | [diff] [blame] | 2695 | } |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2696 | /* 1 is reserved for events (asyncrounous EQ) */ |
| 2697 | dev->caps.num_comp_vectors = nreq - 1; |
| 2698 | |
| 2699 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq = entries[0].vector; |
| 2700 | bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, |
| 2701 | dev->caps.num_ports); |
| 2702 | |
| 2703 | for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { |
| 2704 | if (i == MLX4_EQ_ASYNC) |
| 2705 | continue; |
| 2706 | |
| 2707 | priv->eq_table.eq[i].irq = |
| 2708 | entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; |
| 2709 | |
Carol L Soto | 85121d6 | 2015-10-07 12:31:46 -0400 | [diff] [blame] | 2710 | if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2711 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
| 2712 | dev->caps.num_ports); |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2713 | /* We don't set affinity hint when there |
| 2714 | * aren't enough EQs |
| 2715 | */ |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2716 | } else { |
| 2717 | set_bit(port, |
| 2718 | priv->eq_table.eq[i].actv_ports.ports); |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2719 | if (mlx4_init_affinity_hint(dev, port + 1, i)) |
| 2720 | mlx4_warn(dev, "Couldn't init hint cpumask for EQ %d\n", |
| 2721 | i); |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2722 | } |
| 2723 | /* We divide the Eqs evenly between the two ports. |
| 2724 | * (dev->caps.num_comp_vectors / dev->caps.num_ports) |
| 2725 | * refers to the number of Eqs per port |
| 2726 | * (i.e eqs_per_port). Theoretically, we would like to |
| 2727 | * write something like (i + 1) % eqs_per_port == 0. |
| 2728 | * However, since there's an asynchronous Eq, we have |
| 2729 | * to skip over it by comparing this condition to |
| 2730 | * !!((i + 1) > MLX4_EQ_ASYNC). |
| 2731 | */ |
| 2732 | if ((dev->caps.num_comp_vectors > dev->caps.num_ports) && |
| 2733 | ((i + 1) % |
| 2734 | (dev->caps.num_comp_vectors / dev->caps.num_ports)) == |
| 2735 | !!((i + 1) > MLX4_EQ_ASYNC)) |
| 2736 | /* If dev->caps.num_comp_vectors < dev->caps.num_ports, |
| 2737 | * everything is shared anyway. |
| 2738 | */ |
| 2739 | port++; |
| 2740 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2741 | |
| 2742 | dev->flags |= MLX4_FLAG_MSI_X; |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2743 | |
| 2744 | kfree(entries); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2745 | return; |
| 2746 | } |
| 2747 | |
| 2748 | no_msi: |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2749 | dev->caps.num_comp_vectors = 1; |
| 2750 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2751 | BUG_ON(MLX4_EQ_ASYNC >= 2); |
| 2752 | for (i = 0; i < 2; ++i) { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2753 | priv->eq_table.eq[i].irq = dev->persist->pdev->irq; |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2754 | if (i != MLX4_EQ_ASYNC) { |
| 2755 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
| 2756 | dev->caps.num_ports); |
| 2757 | } |
| 2758 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2759 | } |
| 2760 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2761 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2762 | { |
| 2763 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2764 | int err = 0; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2765 | |
| 2766 | info->dev = dev; |
| 2767 | info->port = port; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2768 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2769 | mlx4_init_mac_table(dev, &info->mac_table); |
| 2770 | mlx4_init_vlan_table(dev, &info->vlan_table); |
Jack Morgenstein | 111c609 | 2014-05-27 09:26:38 +0300 | [diff] [blame] | 2771 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
Yan Burman | 16a10ff | 2013-02-07 02:25:22 +0000 | [diff] [blame] | 2772 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2773 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2774 | |
| 2775 | sprintf(info->dev_name, "mlx4_port%d", port); |
| 2776 | info->port_attr.attr.name = info->dev_name; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2777 | if (mlx4_is_mfunc(dev)) |
| 2778 | info->port_attr.attr.mode = S_IRUGO; |
| 2779 | else { |
| 2780 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; |
| 2781 | info->port_attr.store = set_port_type; |
| 2782 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2783 | info->port_attr.show = show_port_type; |
Greg Kroah-Hartman | 3691c96 | 2010-03-15 14:01:55 -0700 | [diff] [blame] | 2784 | sysfs_attr_init(&info->port_attr.attr); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2785 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2786 | err = device_create_file(&dev->persist->pdev->dev, &info->port_attr); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2787 | if (err) { |
| 2788 | mlx4_err(dev, "Failed to create file for port %d\n", port); |
| 2789 | info->port = -1; |
| 2790 | } |
| 2791 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2792 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
| 2793 | info->port_mtu_attr.attr.name = info->dev_mtu_name; |
| 2794 | if (mlx4_is_mfunc(dev)) |
| 2795 | info->port_mtu_attr.attr.mode = S_IRUGO; |
| 2796 | else { |
| 2797 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; |
| 2798 | info->port_mtu_attr.store = set_port_ib_mtu; |
| 2799 | } |
| 2800 | info->port_mtu_attr.show = show_port_ib_mtu; |
| 2801 | sysfs_attr_init(&info->port_mtu_attr.attr); |
| 2802 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2803 | err = device_create_file(&dev->persist->pdev->dev, |
| 2804 | &info->port_mtu_attr); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2805 | if (err) { |
| 2806 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2807 | device_remove_file(&info->dev->persist->pdev->dev, |
| 2808 | &info->port_attr); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2809 | info->port = -1; |
| 2810 | } |
| 2811 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2812 | return err; |
| 2813 | } |
| 2814 | |
| 2815 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) |
| 2816 | { |
| 2817 | if (info->port < 0) |
| 2818 | return; |
| 2819 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2820 | device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); |
| 2821 | device_remove_file(&info->dev->persist->pdev->dev, |
| 2822 | &info->port_mtu_attr); |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2823 | #ifdef CONFIG_RFS_ACCEL |
| 2824 | free_irq_cpu_rmap(info->rmap); |
| 2825 | info->rmap = NULL; |
| 2826 | #endif |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2827 | } |
| 2828 | |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 2829 | static int mlx4_init_steering(struct mlx4_dev *dev) |
| 2830 | { |
| 2831 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2832 | int num_entries = dev->caps.num_ports; |
| 2833 | int i, j; |
| 2834 | |
| 2835 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); |
| 2836 | if (!priv->steer) |
| 2837 | return -ENOMEM; |
| 2838 | |
Eugenia Emantayev | 45b5136 | 2012-02-14 06:37:41 +0000 | [diff] [blame] | 2839 | for (i = 0; i < num_entries; i++) |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 2840 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
| 2841 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); |
| 2842 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); |
| 2843 | } |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 2844 | return 0; |
| 2845 | } |
| 2846 | |
| 2847 | static void mlx4_clear_steering(struct mlx4_dev *dev) |
| 2848 | { |
| 2849 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2850 | struct mlx4_steer_index *entry, *tmp_entry; |
| 2851 | struct mlx4_promisc_qp *pqp, *tmp_pqp; |
| 2852 | int num_entries = dev->caps.num_ports; |
| 2853 | int i, j; |
| 2854 | |
| 2855 | for (i = 0; i < num_entries; i++) { |
| 2856 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
| 2857 | list_for_each_entry_safe(pqp, tmp_pqp, |
| 2858 | &priv->steer[i].promisc_qps[j], |
| 2859 | list) { |
| 2860 | list_del(&pqp->list); |
| 2861 | kfree(pqp); |
| 2862 | } |
| 2863 | list_for_each_entry_safe(entry, tmp_entry, |
| 2864 | &priv->steer[i].steer_entries[j], |
| 2865 | list) { |
| 2866 | list_del(&entry->list); |
| 2867 | list_for_each_entry_safe(pqp, tmp_pqp, |
| 2868 | &entry->duplicates, |
| 2869 | list) { |
| 2870 | list_del(&pqp->list); |
| 2871 | kfree(pqp); |
| 2872 | } |
| 2873 | kfree(entry); |
| 2874 | } |
| 2875 | } |
| 2876 | } |
| 2877 | kfree(priv->steer); |
| 2878 | } |
| 2879 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2880 | static int extended_func_num(struct pci_dev *pdev) |
| 2881 | { |
| 2882 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); |
| 2883 | } |
| 2884 | |
| 2885 | #define MLX4_OWNER_BASE 0x8069c |
| 2886 | #define MLX4_OWNER_SIZE 4 |
| 2887 | |
| 2888 | static int mlx4_get_ownership(struct mlx4_dev *dev) |
| 2889 | { |
| 2890 | void __iomem *owner; |
| 2891 | u32 ret; |
| 2892 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2893 | if (pci_channel_offline(dev->persist->pdev)) |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 2894 | return -EIO; |
| 2895 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2896 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
| 2897 | MLX4_OWNER_BASE, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2898 | MLX4_OWNER_SIZE); |
| 2899 | if (!owner) { |
| 2900 | mlx4_err(dev, "Failed to obtain ownership bit\n"); |
| 2901 | return -ENOMEM; |
| 2902 | } |
| 2903 | |
| 2904 | ret = readl(owner); |
| 2905 | iounmap(owner); |
| 2906 | return (int) !!ret; |
| 2907 | } |
| 2908 | |
| 2909 | static void mlx4_free_ownership(struct mlx4_dev *dev) |
| 2910 | { |
| 2911 | void __iomem *owner; |
| 2912 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2913 | if (pci_channel_offline(dev->persist->pdev)) |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 2914 | return; |
| 2915 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2916 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
| 2917 | MLX4_OWNER_BASE, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2918 | MLX4_OWNER_SIZE); |
| 2919 | if (!owner) { |
| 2920 | mlx4_err(dev, "Failed to obtain ownership bit\n"); |
| 2921 | return; |
| 2922 | } |
| 2923 | writel(0, owner); |
| 2924 | msleep(1000); |
| 2925 | iounmap(owner); |
| 2926 | } |
| 2927 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2928 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
| 2929 | !!((flags) & MLX4_FLAG_MASTER)) |
| 2930 | |
| 2931 | static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev, |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 2932 | u8 total_vfs, int existing_vfs, int reset_flow) |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2933 | { |
| 2934 | u64 dev_flags = dev->flags; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2935 | int err = 0; |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 2936 | int fw_enabled_sriov_vfs = min(pci_sriov_get_totalvfs(pdev), |
| 2937 | MLX4_MAX_NUM_VF); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2938 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 2939 | if (reset_flow) { |
| 2940 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), |
| 2941 | GFP_KERNEL); |
| 2942 | if (!dev->dev_vfs) |
| 2943 | goto free_mem; |
| 2944 | return dev_flags; |
| 2945 | } |
| 2946 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2947 | atomic_inc(&pf_loading); |
| 2948 | if (dev->flags & MLX4_FLAG_SRIOV) { |
| 2949 | if (existing_vfs != total_vfs) { |
| 2950 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", |
| 2951 | existing_vfs, total_vfs); |
| 2952 | total_vfs = existing_vfs; |
| 2953 | } |
| 2954 | } |
| 2955 | |
| 2956 | dev->dev_vfs = kzalloc(total_vfs * sizeof(*dev->dev_vfs), GFP_KERNEL); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2957 | if (NULL == dev->dev_vfs) { |
| 2958 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); |
| 2959 | goto disable_sriov; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2960 | } |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2961 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2962 | if (!(dev->flags & MLX4_FLAG_SRIOV)) { |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 2963 | if (total_vfs > fw_enabled_sriov_vfs) { |
| 2964 | mlx4_err(dev, "requested vfs (%d) > available vfs (%d). Continuing without SR_IOV\n", |
| 2965 | total_vfs, fw_enabled_sriov_vfs); |
| 2966 | err = -ENOMEM; |
| 2967 | goto disable_sriov; |
| 2968 | } |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2969 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); |
| 2970 | err = pci_enable_sriov(pdev, total_vfs); |
| 2971 | } |
| 2972 | if (err) { |
| 2973 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", |
| 2974 | err); |
| 2975 | goto disable_sriov; |
| 2976 | } else { |
| 2977 | mlx4_warn(dev, "Running in master mode\n"); |
| 2978 | dev_flags |= MLX4_FLAG_SRIOV | |
| 2979 | MLX4_FLAG_MASTER; |
| 2980 | dev_flags &= ~MLX4_FLAG_SLAVE; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2981 | dev->persist->num_vfs = total_vfs; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2982 | } |
| 2983 | return dev_flags; |
| 2984 | |
| 2985 | disable_sriov: |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 2986 | atomic_dec(&pf_loading); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 2987 | free_mem: |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2988 | dev->persist->num_vfs = 0; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2989 | kfree(dev->dev_vfs); |
Carol L Soto | 5114a04 | 2015-06-02 16:07:23 -0500 | [diff] [blame] | 2990 | dev->dev_vfs = NULL; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2991 | return dev_flags & ~MLX4_FLAG_MASTER; |
| 2992 | } |
| 2993 | |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 2994 | enum { |
| 2995 | MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64 = -1, |
| 2996 | }; |
| 2997 | |
| 2998 | static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
| 2999 | int *nvfs) |
| 3000 | { |
| 3001 | int requested_vfs = nvfs[0] + nvfs[1] + nvfs[2]; |
| 3002 | /* Checking for 64 VFs as a limitation of CX2 */ |
| 3003 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_80_VFS) && |
| 3004 | requested_vfs >= 64) { |
| 3005 | mlx4_err(dev, "Requested %d VFs, but FW does not support more than 64\n", |
| 3006 | requested_vfs); |
| 3007 | return MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64; |
| 3008 | } |
| 3009 | return 0; |
| 3010 | } |
| 3011 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3012 | static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3013 | int total_vfs, int *nvfs, struct mlx4_priv *priv, |
| 3014 | int reset_flow) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3015 | { |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3016 | struct mlx4_dev *dev; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3017 | unsigned sum = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3018 | int err; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 3019 | int port; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3020 | int i; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3021 | struct mlx4_dev_cap *dev_cap = NULL; |
Jack Morgenstein | bbb07af | 2014-09-30 12:03:47 +0300 | [diff] [blame] | 3022 | int existing_vfs = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3023 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3024 | dev = &priv->dev; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3025 | |
Roland Dreier | b581401 | 2007-06-07 11:51:58 -0700 | [diff] [blame] | 3026 | INIT_LIST_HEAD(&priv->ctx_list); |
| 3027 | spin_lock_init(&priv->ctx_lock); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3028 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3029 | mutex_init(&priv->port_mutex); |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3030 | mutex_init(&priv->bond_mutex); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3031 | |
Yevgeny Petrilin | 6296883 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 3032 | INIT_LIST_HEAD(&priv->pgdir_list); |
| 3033 | mutex_init(&priv->pgdir_mutex); |
| 3034 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 3035 | INIT_LIST_HEAD(&priv->bf_list); |
| 3036 | mutex_init(&priv->bf_mutex); |
| 3037 | |
Sergei Shtylyov | aca7a3a | 2011-06-23 04:44:30 +0000 | [diff] [blame] | 3038 | dev->rev_id = pdev->revision; |
Eugenia Emantayev | 6e7136e | 2013-11-07 12:19:53 +0200 | [diff] [blame] | 3039 | dev->numa_node = dev_to_node(&pdev->dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3040 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3041 | /* Detect if this device is a virtual function */ |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3042 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3043 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
| 3044 | dev->flags |= MLX4_FLAG_SLAVE; |
| 3045 | } else { |
| 3046 | /* We reset the device and enable SRIOV only for physical |
| 3047 | * devices. Try to claim ownership on the device; |
| 3048 | * if already taken, skip -- do not allow multiple PFs */ |
| 3049 | err = mlx4_get_ownership(dev); |
| 3050 | if (err) { |
| 3051 | if (err < 0) |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3052 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3053 | else { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3054 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3055 | return -EINVAL; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3056 | } |
| 3057 | } |
Sergei Shtylyov | aca7a3a | 2011-06-23 04:44:30 +0000 | [diff] [blame] | 3058 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 3059 | atomic_set(&priv->opreq_count, 0); |
| 3060 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); |
| 3061 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3062 | /* |
| 3063 | * Now reset the HCA before we touch the PCI capabilities or |
| 3064 | * attempt a firmware command, since a boot ROM may have left |
| 3065 | * the HCA in an undefined state. |
| 3066 | */ |
| 3067 | err = mlx4_reset(dev); |
| 3068 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3069 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3070 | goto err_sriov; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3071 | } |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3072 | |
| 3073 | if (total_vfs) { |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3074 | dev->flags = MLX4_FLAG_MASTER; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3075 | existing_vfs = pci_num_vf(pdev); |
| 3076 | if (existing_vfs) |
| 3077 | dev->flags |= MLX4_FLAG_SRIOV; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3078 | dev->persist->num_vfs = total_vfs; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3079 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3080 | } |
| 3081 | |
Yishai Hadas | f6bc11e | 2015-01-25 16:59:38 +0200 | [diff] [blame] | 3082 | /* on load remove any previous indication of internal error, |
| 3083 | * device is up. |
| 3084 | */ |
| 3085 | dev->persist->state = MLX4_DEVICE_STATE_UP; |
| 3086 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3087 | slave_start: |
Eugenia Emantayev | 521130d | 2012-09-05 22:50:52 +0000 | [diff] [blame] | 3088 | err = mlx4_cmd_init(dev); |
| 3089 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3090 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3091 | goto err_sriov; |
| 3092 | } |
| 3093 | |
| 3094 | /* In slave functions, the communication channel must be initialized |
| 3095 | * before posting commands. Also, init num_slaves before calling |
| 3096 | * mlx4_init_hca */ |
| 3097 | if (mlx4_is_mfunc(dev)) { |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3098 | if (mlx4_is_master(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3099 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3100 | |
| 3101 | } else { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3102 | dev->num_slaves = 0; |
Jack Morgenstein | f356fcbe | 2013-01-24 01:54:17 +0000 | [diff] [blame] | 3103 | err = mlx4_multi_func_init(dev); |
| 3104 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3105 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3106 | goto err_cmd; |
| 3107 | } |
| 3108 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3109 | } |
| 3110 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3111 | err = mlx4_init_fw(dev); |
| 3112 | if (err) { |
| 3113 | mlx4_err(dev, "Failed to init fw, aborting.\n"); |
| 3114 | goto err_mfunc; |
| 3115 | } |
| 3116 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3117 | if (mlx4_is_master(dev)) { |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3118 | /* when we hit the goto slave_start below, dev_cap already initialized */ |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3119 | if (!dev_cap) { |
| 3120 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); |
| 3121 | |
| 3122 | if (!dev_cap) { |
| 3123 | err = -ENOMEM; |
| 3124 | goto err_fw; |
| 3125 | } |
| 3126 | |
| 3127 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 3128 | if (err) { |
| 3129 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 3130 | goto err_fw; |
| 3131 | } |
| 3132 | |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 3133 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
| 3134 | goto err_fw; |
| 3135 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3136 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3137 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, |
| 3138 | total_vfs, |
| 3139 | existing_vfs, |
| 3140 | reset_flow); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3141 | |
Carol Soto | ed3d227 | 2015-06-02 16:07:24 -0500 | [diff] [blame] | 3142 | mlx4_close_fw(dev); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3143 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
| 3144 | dev->flags = dev_flags; |
| 3145 | if (!SRIOV_VALID_STATE(dev->flags)) { |
| 3146 | mlx4_err(dev, "Invalid SRIOV state\n"); |
| 3147 | goto err_sriov; |
| 3148 | } |
| 3149 | err = mlx4_reset(dev); |
| 3150 | if (err) { |
| 3151 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); |
| 3152 | goto err_sriov; |
| 3153 | } |
| 3154 | goto slave_start; |
| 3155 | } |
| 3156 | } else { |
| 3157 | /* Legacy mode FW requires SRIOV to be enabled before |
| 3158 | * doing QUERY_DEV_CAP, since max_eq's value is different if |
| 3159 | * SRIOV is enabled. |
| 3160 | */ |
| 3161 | memset(dev_cap, 0, sizeof(*dev_cap)); |
| 3162 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 3163 | if (err) { |
| 3164 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 3165 | goto err_fw; |
| 3166 | } |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 3167 | |
| 3168 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
| 3169 | goto err_fw; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3170 | } |
| 3171 | } |
| 3172 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3173 | err = mlx4_init_hca(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3174 | if (err) { |
| 3175 | if (err == -EACCES) { |
| 3176 | /* Not primary Physical function |
| 3177 | * Running in slave mode */ |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3178 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3179 | /* We're not a PF */ |
| 3180 | if (dev->flags & MLX4_FLAG_SRIOV) { |
| 3181 | if (!existing_vfs) |
| 3182 | pci_disable_sriov(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3183 | if (mlx4_is_master(dev) && !reset_flow) |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3184 | atomic_dec(&pf_loading); |
| 3185 | dev->flags &= ~MLX4_FLAG_SRIOV; |
| 3186 | } |
| 3187 | if (!mlx4_is_slave(dev)) |
| 3188 | mlx4_free_ownership(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3189 | dev->flags |= MLX4_FLAG_SLAVE; |
| 3190 | dev->flags &= ~MLX4_FLAG_MASTER; |
| 3191 | goto slave_start; |
| 3192 | } else |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3193 | goto err_fw; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3194 | } |
| 3195 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3196 | if (mlx4_is_master(dev) && (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3197 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, total_vfs, |
| 3198 | existing_vfs, reset_flow); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3199 | |
| 3200 | if ((dev->flags ^ dev_flags) & (MLX4_FLAG_MASTER | MLX4_FLAG_SLAVE)) { |
| 3201 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_VHCR); |
| 3202 | dev->flags = dev_flags; |
| 3203 | err = mlx4_cmd_init(dev); |
| 3204 | if (err) { |
| 3205 | /* Only VHCR is cleaned up, so could still |
| 3206 | * send FW commands |
| 3207 | */ |
| 3208 | mlx4_err(dev, "Failed to init VHCR command interface, aborting\n"); |
| 3209 | goto err_close; |
| 3210 | } |
| 3211 | } else { |
| 3212 | dev->flags = dev_flags; |
| 3213 | } |
| 3214 | |
| 3215 | if (!SRIOV_VALID_STATE(dev->flags)) { |
| 3216 | mlx4_err(dev, "Invalid SRIOV state\n"); |
| 3217 | goto err_close; |
| 3218 | } |
| 3219 | } |
| 3220 | |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 3221 | /* check if the device is functioning at its maximum possible speed. |
| 3222 | * No return code for this call, just warn the user in case of PCI |
| 3223 | * express device capabilities are under-satisfied by the bus. |
| 3224 | */ |
Eyal Perry | 83d3459 | 2014-05-04 17:07:25 +0300 | [diff] [blame] | 3225 | if (!mlx4_is_slave(dev)) |
| 3226 | mlx4_check_pcie_caps(dev); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 3227 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3228 | /* In master functions, the communication channel must be initialized |
| 3229 | * after obtaining its address from fw */ |
| 3230 | if (mlx4_is_master(dev)) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3231 | if (dev->caps.num_ports < 2 && |
| 3232 | num_vfs_argc > 1) { |
| 3233 | err = -EINVAL; |
| 3234 | mlx4_err(dev, |
| 3235 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", |
| 3236 | dev->caps.num_ports); |
| 3237 | goto err_close; |
| 3238 | } |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3239 | memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs)); |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 3240 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3241 | for (i = 0; |
| 3242 | i < sizeof(dev->persist->nvfs)/ |
| 3243 | sizeof(dev->persist->nvfs[0]); i++) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3244 | unsigned j; |
| 3245 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3246 | for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3247 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; |
| 3248 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : |
| 3249 | dev->caps.num_ports; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 3250 | } |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3251 | } |
| 3252 | |
| 3253 | /* In master functions, the communication channel |
| 3254 | * must be initialized after obtaining its address from fw |
| 3255 | */ |
| 3256 | err = mlx4_multi_func_init(dev); |
| 3257 | if (err) { |
| 3258 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); |
| 3259 | goto err_close; |
Matan Barak | 1ab95d37 | 2014-03-19 18:11:50 +0200 | [diff] [blame] | 3260 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3261 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3262 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3263 | err = mlx4_alloc_eq_table(dev); |
| 3264 | if (err) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3265 | goto err_master_mfunc; |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3266 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 3267 | bitmap_zero(priv->msix_ctl.pool_bm, MAX_MSIX); |
Yevgeny Petrilin | 730c41d | 2012-02-21 03:39:32 +0000 | [diff] [blame] | 3268 | mutex_init(&priv->msix_ctl.pool_lock); |
Yevgeny Petrilin | 0b7ca5a | 2011-03-22 22:37:47 +0000 | [diff] [blame] | 3269 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3270 | mlx4_enable_msi_x(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3271 | if ((mlx4_is_mfunc(dev)) && |
| 3272 | !(dev->flags & MLX4_FLAG_MSI_X)) { |
Jack Morgenstein | f356fcbe | 2013-01-24 01:54:17 +0000 | [diff] [blame] | 3273 | err = -ENOSYS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3274 | mlx4_err(dev, "INTx is not supported in multi-function mode, aborting\n"); |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3275 | goto err_free_eq; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3276 | } |
| 3277 | |
| 3278 | if (!mlx4_is_slave(dev)) { |
| 3279 | err = mlx4_init_steering(dev); |
| 3280 | if (err) |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3281 | goto err_disable_msix; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3282 | } |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3283 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3284 | err = mlx4_setup_hca(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3285 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
| 3286 | !mlx4_is_mfunc(dev)) { |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3287 | dev->flags &= ~MLX4_FLAG_MSI_X; |
Yevgeny Petrilin | 9858d2d | 2012-06-25 00:24:12 +0000 | [diff] [blame] | 3288 | dev->caps.num_comp_vectors = 1; |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3289 | pci_disable_msix(pdev); |
| 3290 | err = mlx4_setup_hca(dev); |
| 3291 | } |
| 3292 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3293 | if (err) |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3294 | goto err_steer; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3295 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 3296 | mlx4_init_quotas(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3297 | /* When PF resources are ready arm its comm channel to enable |
| 3298 | * getting commands |
| 3299 | */ |
| 3300 | if (mlx4_is_master(dev)) { |
| 3301 | err = mlx4_ARM_COMM_CHANNEL(dev); |
| 3302 | if (err) { |
| 3303 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", |
| 3304 | err); |
| 3305 | goto err_steer; |
| 3306 | } |
| 3307 | } |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 3308 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3309 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 3310 | err = mlx4_init_port_info(dev, port); |
| 3311 | if (err) |
| 3312 | goto err_port; |
| 3313 | } |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 3314 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3315 | priv->v2p.port1 = 1; |
| 3316 | priv->v2p.port2 = 2; |
| 3317 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3318 | err = mlx4_register_device(dev); |
| 3319 | if (err) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3320 | goto err_port; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3321 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 3322 | mlx4_request_modules(dev); |
| 3323 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 3324 | mlx4_sense_init(dev); |
| 3325 | mlx4_start_sense(dev); |
| 3326 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3327 | priv->removed = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3328 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3329 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
Amir Vadai | e1a5ddc | 2014-04-14 11:17:22 +0300 | [diff] [blame] | 3330 | atomic_dec(&pf_loading); |
| 3331 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3332 | kfree(dev_cap); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3333 | return 0; |
| 3334 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3335 | err_port: |
Eli Cohen | b4f7726 | 2010-01-06 12:54:39 -0800 | [diff] [blame] | 3336 | for (--port; port >= 1; --port) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3337 | mlx4_cleanup_port_info(&priv->port[port]); |
| 3338 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 3339 | mlx4_cleanup_default_counters(dev); |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 3340 | if (!mlx4_is_slave(dev)) |
| 3341 | mlx4_cleanup_counters_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3342 | mlx4_cleanup_qp_table(dev); |
| 3343 | mlx4_cleanup_srq_table(dev); |
| 3344 | mlx4_cleanup_cq_table(dev); |
| 3345 | mlx4_cmd_use_polling(dev); |
| 3346 | mlx4_cleanup_eq_table(dev); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 3347 | mlx4_cleanup_mcg_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3348 | mlx4_cleanup_mr_table(dev); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 3349 | mlx4_cleanup_xrcd_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3350 | mlx4_cleanup_pd_table(dev); |
| 3351 | mlx4_cleanup_uar_table(dev); |
| 3352 | |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3353 | err_steer: |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3354 | if (!mlx4_is_slave(dev)) |
| 3355 | mlx4_clear_steering(dev); |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3356 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3357 | err_disable_msix: |
| 3358 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 3359 | pci_disable_msix(pdev); |
| 3360 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3361 | err_free_eq: |
| 3362 | mlx4_free_eq_table(dev); |
| 3363 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3364 | err_master_mfunc: |
Jack Morgenstein | 772103e | 2015-01-27 15:58:01 +0200 | [diff] [blame] | 3365 | if (mlx4_is_master(dev)) { |
| 3366 | mlx4_free_resource_tracker(dev, RES_TR_FREE_STRUCTS_ONLY); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3367 | mlx4_multi_func_cleanup(dev); |
Jack Morgenstein | 772103e | 2015-01-27 15:58:01 +0200 | [diff] [blame] | 3368 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3369 | |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 3370 | if (mlx4_is_slave(dev)) { |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3371 | kfree(dev->caps.qp0_qkey); |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 3372 | kfree(dev->caps.qp0_tunnel); |
| 3373 | kfree(dev->caps.qp0_proxy); |
| 3374 | kfree(dev->caps.qp1_tunnel); |
| 3375 | kfree(dev->caps.qp1_proxy); |
| 3376 | } |
| 3377 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3378 | err_close: |
| 3379 | mlx4_close_hca(dev); |
| 3380 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3381 | err_fw: |
| 3382 | mlx4_close_fw(dev); |
| 3383 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3384 | err_mfunc: |
| 3385 | if (mlx4_is_slave(dev)) |
| 3386 | mlx4_multi_func_cleanup(dev); |
| 3387 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3388 | err_cmd: |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3389 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3390 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3391 | err_sriov: |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3392 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3393 | pci_disable_sriov(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3394 | dev->flags &= ~MLX4_FLAG_SRIOV; |
| 3395 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3396 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3397 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
Amir Vadai | e1a5ddc | 2014-04-14 11:17:22 +0300 | [diff] [blame] | 3398 | atomic_dec(&pf_loading); |
| 3399 | |
Matan Barak | 1ab95d37 | 2014-03-19 18:11:50 +0200 | [diff] [blame] | 3400 | kfree(priv->dev.dev_vfs); |
| 3401 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3402 | if (!mlx4_is_slave(dev)) |
| 3403 | mlx4_free_ownership(dev); |
| 3404 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3405 | kfree(dev_cap); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3406 | return err; |
| 3407 | } |
| 3408 | |
| 3409 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, |
| 3410 | struct mlx4_priv *priv) |
| 3411 | { |
| 3412 | int err; |
| 3413 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3414 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3415 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { |
| 3416 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; |
| 3417 | unsigned total_vfs = 0; |
| 3418 | unsigned int i; |
| 3419 | |
| 3420 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
| 3421 | |
| 3422 | err = pci_enable_device(pdev); |
| 3423 | if (err) { |
| 3424 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
| 3425 | return err; |
| 3426 | } |
| 3427 | |
| 3428 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS |
| 3429 | * per port, we must limit the number of VFs to 63 (since their are |
| 3430 | * 128 MACs) |
| 3431 | */ |
| 3432 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && i < num_vfs_argc; |
| 3433 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { |
| 3434 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; |
| 3435 | if (nvfs[i] < 0) { |
| 3436 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); |
| 3437 | err = -EINVAL; |
| 3438 | goto err_disable_pdev; |
| 3439 | } |
| 3440 | } |
| 3441 | for (i = 0; i < sizeof(prb_vf)/sizeof(prb_vf[0]) && i < probe_vfs_argc; |
| 3442 | i++) { |
| 3443 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; |
| 3444 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { |
| 3445 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); |
| 3446 | err = -EINVAL; |
| 3447 | goto err_disable_pdev; |
| 3448 | } |
| 3449 | } |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3450 | if (total_vfs > MLX4_MAX_NUM_VF) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3451 | dev_err(&pdev->dev, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3452 | "Requested more VF's (%d) than allowed by hw (%d)\n", |
| 3453 | total_vfs, MLX4_MAX_NUM_VF); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3454 | err = -EINVAL; |
| 3455 | goto err_disable_pdev; |
| 3456 | } |
| 3457 | |
| 3458 | for (i = 0; i < MLX4_MAX_PORTS; i++) { |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3459 | if (nvfs[i] + nvfs[2] > MLX4_MAX_NUM_VF_P_PORT) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3460 | dev_err(&pdev->dev, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3461 | "Requested more VF's (%d) for port (%d) than allowed by driver (%d)\n", |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3462 | nvfs[i] + nvfs[2], i + 1, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3463 | MLX4_MAX_NUM_VF_P_PORT); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3464 | err = -EINVAL; |
| 3465 | goto err_disable_pdev; |
| 3466 | } |
| 3467 | } |
| 3468 | |
| 3469 | /* Check for BARs. */ |
| 3470 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && |
| 3471 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| 3472 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", |
| 3473 | pci_dev_data, pci_resource_flags(pdev, 0)); |
| 3474 | err = -ENODEV; |
| 3475 | goto err_disable_pdev; |
| 3476 | } |
| 3477 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
| 3478 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); |
| 3479 | err = -ENODEV; |
| 3480 | goto err_disable_pdev; |
| 3481 | } |
| 3482 | |
| 3483 | err = pci_request_regions(pdev, DRV_NAME); |
| 3484 | if (err) { |
| 3485 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
| 3486 | goto err_disable_pdev; |
| 3487 | } |
| 3488 | |
| 3489 | pci_set_master(pdev); |
| 3490 | |
| 3491 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 3492 | if (err) { |
| 3493 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); |
| 3494 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 3495 | if (err) { |
| 3496 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
| 3497 | goto err_release_regions; |
| 3498 | } |
| 3499 | } |
| 3500 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 3501 | if (err) { |
| 3502 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
| 3503 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 3504 | if (err) { |
| 3505 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); |
| 3506 | goto err_release_regions; |
| 3507 | } |
| 3508 | } |
| 3509 | |
| 3510 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ |
| 3511 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); |
| 3512 | /* Detect if this device is a virtual function */ |
| 3513 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
| 3514 | /* When acting as pf, we normally skip vfs unless explicitly |
| 3515 | * requested to probe them. |
| 3516 | */ |
| 3517 | if (total_vfs) { |
| 3518 | unsigned vfs_offset = 0; |
| 3519 | |
| 3520 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && |
| 3521 | vfs_offset + nvfs[i] < extended_func_num(pdev); |
| 3522 | vfs_offset += nvfs[i], i++) |
| 3523 | ; |
| 3524 | if (i == sizeof(nvfs)/sizeof(nvfs[0])) { |
| 3525 | err = -ENODEV; |
| 3526 | goto err_release_regions; |
| 3527 | } |
| 3528 | if ((extended_func_num(pdev) - vfs_offset) |
| 3529 | > prb_vf[i]) { |
| 3530 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", |
| 3531 | extended_func_num(pdev)); |
| 3532 | err = -ENODEV; |
| 3533 | goto err_release_regions; |
| 3534 | } |
| 3535 | } |
| 3536 | } |
| 3537 | |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3538 | err = mlx4_catas_init(&priv->dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3539 | if (err) |
| 3540 | goto err_release_regions; |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3541 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3542 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 0); |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3543 | if (err) |
| 3544 | goto err_catas; |
| 3545 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3546 | return 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3547 | |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3548 | err_catas: |
| 3549 | mlx4_catas_end(&priv->dev); |
| 3550 | |
Roland Dreier | a01df0f | 2009-09-05 20:24:48 -0700 | [diff] [blame] | 3551 | err_release_regions: |
| 3552 | pci_release_regions(pdev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3553 | |
| 3554 | err_disable_pdev: |
| 3555 | pci_disable_device(pdev); |
| 3556 | pci_set_drvdata(pdev, NULL); |
| 3557 | return err; |
| 3558 | } |
| 3559 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 3560 | static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3561 | { |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3562 | struct mlx4_priv *priv; |
| 3563 | struct mlx4_dev *dev; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3564 | int ret; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3565 | |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 3566 | printk_once(KERN_INFO "%s", mlx4_version); |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3567 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3568 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| 3569 | if (!priv) |
| 3570 | return -ENOMEM; |
| 3571 | |
| 3572 | dev = &priv->dev; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3573 | dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL); |
| 3574 | if (!dev->persist) { |
| 3575 | kfree(priv); |
| 3576 | return -ENOMEM; |
| 3577 | } |
| 3578 | dev->persist->pdev = pdev; |
| 3579 | dev->persist->dev = dev; |
| 3580 | pci_set_drvdata(pdev, dev->persist); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3581 | priv->pci_dev_data = id->driver_data; |
Yishai Hadas | f6bc11e | 2015-01-25 16:59:38 +0200 | [diff] [blame] | 3582 | mutex_init(&dev->persist->device_state_mutex); |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3583 | mutex_init(&dev->persist->interface_state_mutex); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3584 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3585 | ret = __mlx4_init_one(pdev, id->driver_data, priv); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3586 | if (ret) { |
| 3587 | kfree(dev->persist); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3588 | kfree(priv); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3589 | } else { |
| 3590 | pci_save_state(pdev); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3591 | } |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3592 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3593 | return ret; |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3594 | } |
| 3595 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3596 | static void mlx4_clean_dev(struct mlx4_dev *dev) |
| 3597 | { |
| 3598 | struct mlx4_dev_persistent *persist = dev->persist; |
| 3599 | struct mlx4_priv *priv = mlx4_priv(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3600 | unsigned long flags = (dev->flags & RESET_PERSIST_MASK_FLAGS); |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3601 | |
| 3602 | memset(priv, 0, sizeof(*priv)); |
| 3603 | priv->dev.persist = persist; |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3604 | priv->dev.flags = flags; |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3605 | } |
| 3606 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3607 | static void mlx4_unload_one(struct pci_dev *pdev) |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3608 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3609 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3610 | struct mlx4_dev *dev = persist->dev; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3611 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3612 | int pci_dev_data; |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3613 | int p, i; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3614 | |
| 3615 | if (priv->removed) |
| 3616 | return; |
| 3617 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3618 | /* saving current ports type for further use */ |
| 3619 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 3620 | dev->persist->curr_port_type[i] = dev->caps.port_type[i + 1]; |
| 3621 | dev->persist->curr_port_poss_type[i] = dev->caps. |
| 3622 | possible_type[i + 1]; |
| 3623 | } |
| 3624 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3625 | pci_dev_data = priv->pci_dev_data; |
| 3626 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3627 | mlx4_stop_sense(dev); |
| 3628 | mlx4_unregister_device(dev); |
| 3629 | |
| 3630 | for (p = 1; p <= dev->caps.num_ports; p++) { |
| 3631 | mlx4_cleanup_port_info(&priv->port[p]); |
| 3632 | mlx4_CLOSE_PORT(dev, p); |
| 3633 | } |
| 3634 | |
| 3635 | if (mlx4_is_master(dev)) |
| 3636 | mlx4_free_resource_tracker(dev, |
| 3637 | RES_TR_FREE_SLAVES_ONLY); |
| 3638 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 3639 | mlx4_cleanup_default_counters(dev); |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 3640 | if (!mlx4_is_slave(dev)) |
| 3641 | mlx4_cleanup_counters_table(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3642 | mlx4_cleanup_qp_table(dev); |
| 3643 | mlx4_cleanup_srq_table(dev); |
| 3644 | mlx4_cleanup_cq_table(dev); |
| 3645 | mlx4_cmd_use_polling(dev); |
| 3646 | mlx4_cleanup_eq_table(dev); |
| 3647 | mlx4_cleanup_mcg_table(dev); |
| 3648 | mlx4_cleanup_mr_table(dev); |
| 3649 | mlx4_cleanup_xrcd_table(dev); |
| 3650 | mlx4_cleanup_pd_table(dev); |
| 3651 | |
| 3652 | if (mlx4_is_master(dev)) |
| 3653 | mlx4_free_resource_tracker(dev, |
| 3654 | RES_TR_FREE_STRUCTS_ONLY); |
| 3655 | |
| 3656 | iounmap(priv->kar); |
| 3657 | mlx4_uar_free(dev, &priv->driver_uar); |
| 3658 | mlx4_cleanup_uar_table(dev); |
| 3659 | if (!mlx4_is_slave(dev)) |
| 3660 | mlx4_clear_steering(dev); |
| 3661 | mlx4_free_eq_table(dev); |
| 3662 | if (mlx4_is_master(dev)) |
| 3663 | mlx4_multi_func_cleanup(dev); |
| 3664 | mlx4_close_hca(dev); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3665 | mlx4_close_fw(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3666 | if (mlx4_is_slave(dev)) |
| 3667 | mlx4_multi_func_cleanup(dev); |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3668 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3669 | |
| 3670 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 3671 | pci_disable_msix(pdev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3672 | |
| 3673 | if (!mlx4_is_slave(dev)) |
| 3674 | mlx4_free_ownership(dev); |
| 3675 | |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3676 | kfree(dev->caps.qp0_qkey); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3677 | kfree(dev->caps.qp0_tunnel); |
| 3678 | kfree(dev->caps.qp0_proxy); |
| 3679 | kfree(dev->caps.qp1_tunnel); |
| 3680 | kfree(dev->caps.qp1_proxy); |
| 3681 | kfree(dev->dev_vfs); |
| 3682 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3683 | mlx4_clean_dev(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3684 | priv->pci_dev_data = pci_dev_data; |
| 3685 | priv->removed = 1; |
| 3686 | } |
| 3687 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3688 | static void mlx4_remove_one(struct pci_dev *pdev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3689 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3690 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3691 | struct mlx4_dev *dev = persist->dev; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3692 | struct mlx4_priv *priv = mlx4_priv(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3693 | int active_vfs = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3694 | |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3695 | mutex_lock(&persist->interface_state_mutex); |
| 3696 | persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; |
| 3697 | mutex_unlock(&persist->interface_state_mutex); |
| 3698 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3699 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
| 3700 | if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) { |
| 3701 | active_vfs = mlx4_how_many_lives_vf(dev); |
| 3702 | if (active_vfs) { |
| 3703 | pr_warn("Removing PF when there are active VF's !!\n"); |
| 3704 | pr_warn("Will not disable SR-IOV.\n"); |
| 3705 | } |
| 3706 | } |
| 3707 | |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3708 | /* device marked to be under deletion running now without the lock |
| 3709 | * letting other tasks to be terminated |
| 3710 | */ |
| 3711 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
| 3712 | mlx4_unload_one(pdev); |
| 3713 | else |
| 3714 | mlx4_info(dev, "%s: interface is down\n", __func__); |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3715 | mlx4_catas_end(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3716 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
| 3717 | mlx4_warn(dev, "Disabling SR-IOV\n"); |
| 3718 | pci_disable_sriov(pdev); |
| 3719 | } |
| 3720 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3721 | pci_release_regions(pdev); |
| 3722 | pci_disable_device(pdev); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3723 | kfree(dev->persist); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3724 | kfree(priv); |
| 3725 | pci_set_drvdata(pdev, NULL); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3726 | } |
| 3727 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3728 | static int restore_current_port_types(struct mlx4_dev *dev, |
| 3729 | enum mlx4_port_type *types, |
| 3730 | enum mlx4_port_type *poss_types) |
| 3731 | { |
| 3732 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3733 | int err, i; |
| 3734 | |
| 3735 | mlx4_stop_sense(dev); |
| 3736 | |
| 3737 | mutex_lock(&priv->port_mutex); |
| 3738 | for (i = 0; i < dev->caps.num_ports; i++) |
| 3739 | dev->caps.possible_type[i + 1] = poss_types[i]; |
| 3740 | err = mlx4_change_port_types(dev, types); |
| 3741 | mlx4_start_sense(dev); |
| 3742 | mutex_unlock(&priv->port_mutex); |
| 3743 | |
| 3744 | return err; |
| 3745 | } |
| 3746 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 3747 | int mlx4_restart_one(struct pci_dev *pdev) |
| 3748 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3749 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3750 | struct mlx4_dev *dev = persist->dev; |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3751 | struct mlx4_priv *priv = mlx4_priv(dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3752 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3753 | int pci_dev_data, err, total_vfs; |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3754 | |
| 3755 | pci_dev_data = priv->pci_dev_data; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3756 | total_vfs = dev->persist->num_vfs; |
| 3757 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3758 | |
| 3759 | mlx4_unload_one(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3760 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3761 | if (err) { |
| 3762 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", |
| 3763 | __func__, pci_name(pdev), err); |
| 3764 | return err; |
| 3765 | } |
| 3766 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3767 | err = restore_current_port_types(dev, dev->persist->curr_port_type, |
| 3768 | dev->persist->curr_port_poss_type); |
| 3769 | if (err) |
| 3770 | mlx4_err(dev, "could not restore original port types (%d)\n", |
| 3771 | err); |
| 3772 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3773 | return err; |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 3774 | } |
| 3775 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 3776 | static const struct pci_device_id mlx4_pci_table[] = { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3777 | /* MT25408 "Hermon" SDR */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3778 | { PCI_VDEVICE(MELLANOX, 0x6340), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3779 | /* MT25408 "Hermon" DDR */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3780 | { PCI_VDEVICE(MELLANOX, 0x634a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3781 | /* MT25408 "Hermon" QDR */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3782 | { PCI_VDEVICE(MELLANOX, 0x6354), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3783 | /* MT25408 "Hermon" DDR PCIe gen2 */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3784 | { PCI_VDEVICE(MELLANOX, 0x6732), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3785 | /* MT25408 "Hermon" QDR PCIe gen2 */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3786 | { PCI_VDEVICE(MELLANOX, 0x673c), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3787 | /* MT25408 "Hermon" EN 10GigE */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3788 | { PCI_VDEVICE(MELLANOX, 0x6368), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3789 | /* MT25408 "Hermon" EN 10GigE PCIe gen2 */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3790 | { PCI_VDEVICE(MELLANOX, 0x6750), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3791 | /* MT25458 ConnectX EN 10GBASE-T 10GigE */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3792 | { PCI_VDEVICE(MELLANOX, 0x6372), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3793 | /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3794 | { PCI_VDEVICE(MELLANOX, 0x675a), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3795 | /* MT26468 ConnectX EN 10GigE PCIe gen2*/ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3796 | { PCI_VDEVICE(MELLANOX, 0x6764), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3797 | /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3798 | { PCI_VDEVICE(MELLANOX, 0x6746), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3799 | /* MT26478 ConnectX2 40GigE PCIe gen2 */ |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 3800 | { PCI_VDEVICE(MELLANOX, 0x676e), MLX4_PCI_DEV_FORCE_SENSE_PORT }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3801 | /* MT25400 Family [ConnectX-2 Virtual Function] */ |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3802 | { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3803 | /* MT27500 Family [ConnectX-3] */ |
| 3804 | { PCI_VDEVICE(MELLANOX, 0x1003), 0 }, |
| 3805 | /* MT27500 Family [ConnectX-3 Virtual Function] */ |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3806 | { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF }, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3807 | { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */ |
| 3808 | { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */ |
| 3809 | { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */ |
| 3810 | { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */ |
| 3811 | { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */ |
| 3812 | { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */ |
| 3813 | { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */ |
| 3814 | { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */ |
| 3815 | { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */ |
| 3816 | { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */ |
| 3817 | { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */ |
| 3818 | { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */ |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3819 | { 0, } |
| 3820 | }; |
| 3821 | |
| 3822 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); |
| 3823 | |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3824 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
| 3825 | pci_channel_state_t state) |
| 3826 | { |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3827 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3828 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3829 | mlx4_err(persist->dev, "mlx4_pci_err_detected was called\n"); |
| 3830 | mlx4_enter_error_state(persist); |
| 3831 | |
| 3832 | mutex_lock(&persist->interface_state_mutex); |
| 3833 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
| 3834 | mlx4_unload_one(pdev); |
| 3835 | |
| 3836 | mutex_unlock(&persist->interface_state_mutex); |
| 3837 | if (state == pci_channel_io_perm_failure) |
| 3838 | return PCI_ERS_RESULT_DISCONNECT; |
| 3839 | |
| 3840 | pci_disable_device(pdev); |
| 3841 | return PCI_ERS_RESULT_NEED_RESET; |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3842 | } |
| 3843 | |
| 3844 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) |
| 3845 | { |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3846 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3847 | struct mlx4_dev *dev = persist->dev; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3848 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3849 | int ret; |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3850 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3851 | int total_vfs; |
Wei Yang | 97a5221 | 2014-03-27 09:28:31 +0800 | [diff] [blame] | 3852 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3853 | mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); |
| 3854 | ret = pci_enable_device(pdev); |
| 3855 | if (ret) { |
| 3856 | mlx4_err(dev, "Can not re-enable device, ret=%d\n", ret); |
| 3857 | return PCI_ERS_RESULT_DISCONNECT; |
| 3858 | } |
| 3859 | |
| 3860 | pci_set_master(pdev); |
| 3861 | pci_restore_state(pdev); |
| 3862 | pci_save_state(pdev); |
| 3863 | |
| 3864 | total_vfs = dev->persist->num_vfs; |
| 3865 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); |
| 3866 | |
| 3867 | mutex_lock(&persist->interface_state_mutex); |
| 3868 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { |
| 3869 | ret = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3870 | priv, 1); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3871 | if (ret) { |
| 3872 | mlx4_err(dev, "%s: mlx4_load_one failed, ret=%d\n", |
| 3873 | __func__, ret); |
| 3874 | goto end; |
| 3875 | } |
| 3876 | |
| 3877 | ret = restore_current_port_types(dev, dev->persist-> |
| 3878 | curr_port_type, dev->persist-> |
| 3879 | curr_port_poss_type); |
| 3880 | if (ret) |
| 3881 | mlx4_err(dev, "could not restore original port types (%d)\n", ret); |
| 3882 | } |
| 3883 | end: |
| 3884 | mutex_unlock(&persist->interface_state_mutex); |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3885 | |
| 3886 | return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; |
| 3887 | } |
| 3888 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3889 | static void mlx4_shutdown(struct pci_dev *pdev) |
| 3890 | { |
| 3891 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3892 | |
| 3893 | mlx4_info(persist->dev, "mlx4_shutdown was called\n"); |
| 3894 | mutex_lock(&persist->interface_state_mutex); |
| 3895 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
| 3896 | mlx4_unload_one(pdev); |
| 3897 | mutex_unlock(&persist->interface_state_mutex); |
| 3898 | } |
| 3899 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 3900 | static const struct pci_error_handlers mlx4_err_handler = { |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3901 | .error_detected = mlx4_pci_err_detected, |
| 3902 | .slot_reset = mlx4_pci_slot_reset, |
| 3903 | }; |
| 3904 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3905 | static struct pci_driver mlx4_driver = { |
| 3906 | .name = DRV_NAME, |
| 3907 | .id_table = mlx4_pci_table, |
| 3908 | .probe = mlx4_init_one, |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3909 | .shutdown = mlx4_shutdown, |
Bill Pemberton | f57e684 | 2012-12-03 09:23:15 -0500 | [diff] [blame] | 3910 | .remove = mlx4_remove_one, |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3911 | .err_handler = &mlx4_err_handler, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3912 | }; |
| 3913 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3914 | static int __init mlx4_verify_params(void) |
| 3915 | { |
| 3916 | if ((log_num_mac < 0) || (log_num_mac > 7)) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 3917 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3918 | return -1; |
| 3919 | } |
| 3920 | |
Or Gerlitz | cb29688 | 2011-10-16 10:26:21 +0200 | [diff] [blame] | 3921 | if (log_num_vlan != 0) |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 3922 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
| 3923 | MLX4_LOG_NUM_VLANS); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3924 | |
Amir Vadai | ecc8fb1 | 2014-05-22 15:55:39 +0300 | [diff] [blame] | 3925 | if (use_prio != 0) |
| 3926 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3927 | |
Eli Cohen | 0498628 | 2010-09-20 08:42:38 +0200 | [diff] [blame] | 3928 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 3929 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
| 3930 | log_mtts_per_seg); |
Eli Cohen | ab6bf42 | 2009-05-27 14:38:34 -0700 | [diff] [blame] | 3931 | return -1; |
| 3932 | } |
| 3933 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3934 | /* Check if module param for ports type has legal combination */ |
| 3935 | if (port_type_array[0] == false && port_type_array[1] == true) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 3936 | pr_warn("Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3937 | port_type_array[0] = true; |
| 3938 | } |
| 3939 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 3940 | if (mlx4_log_num_mgm_entry_size < -7 || |
| 3941 | (mlx4_log_num_mgm_entry_size > 0 && |
| 3942 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || |
| 3943 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE))) { |
| 3944 | pr_warn("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not in legal range (-7..0 or %d..%d)\n", |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3945 | mlx4_log_num_mgm_entry_size, |
| 3946 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, |
| 3947 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 3948 | return -1; |
| 3949 | } |
| 3950 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3951 | return 0; |
| 3952 | } |
| 3953 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3954 | static int __init mlx4_init(void) |
| 3955 | { |
| 3956 | int ret; |
| 3957 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3958 | if (mlx4_verify_params()) |
| 3959 | return -EINVAL; |
| 3960 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 3961 | |
| 3962 | mlx4_wq = create_singlethread_workqueue("mlx4"); |
| 3963 | if (!mlx4_wq) |
| 3964 | return -ENOMEM; |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 3965 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3966 | ret = pci_register_driver(&mlx4_driver); |
Wei Yang | 1b85ee0 | 2013-12-03 10:04:10 +0800 | [diff] [blame] | 3967 | if (ret < 0) |
| 3968 | destroy_workqueue(mlx4_wq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3969 | return ret < 0 ? ret : 0; |
| 3970 | } |
| 3971 | |
| 3972 | static void __exit mlx4_cleanup(void) |
| 3973 | { |
| 3974 | pci_unregister_driver(&mlx4_driver); |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 3975 | destroy_workqueue(mlx4_wq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3976 | } |
| 3977 | |
| 3978 | module_init(mlx4_init); |
| 3979 | module_exit(mlx4_cleanup); |