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> |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 45 | #include <net/devlink.h> |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 46 | |
| 47 | #include <linux/mlx4/device.h> |
| 48 | #include <linux/mlx4/doorbell.h> |
| 49 | |
| 50 | #include "mlx4.h" |
| 51 | #include "fw.h" |
| 52 | #include "icm.h" |
| 53 | |
| 54 | MODULE_AUTHOR("Roland Dreier"); |
| 55 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); |
| 56 | MODULE_LICENSE("Dual BSD/GPL"); |
| 57 | MODULE_VERSION(DRV_VERSION); |
| 58 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 59 | struct workqueue_struct *mlx4_wq; |
| 60 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 61 | #ifdef CONFIG_MLX4_DEBUG |
| 62 | |
| 63 | int mlx4_debug_level = 0; |
| 64 | module_param_named(debug_level, mlx4_debug_level, int, 0644); |
| 65 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); |
| 66 | |
| 67 | #endif /* CONFIG_MLX4_DEBUG */ |
| 68 | |
| 69 | #ifdef CONFIG_PCI_MSI |
| 70 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 71 | static int msi_x = 1; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 72 | module_param(msi_x, int, 0444); |
| 73 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); |
| 74 | |
| 75 | #else /* CONFIG_PCI_MSI */ |
| 76 | |
| 77 | #define msi_x (0) |
| 78 | |
| 79 | #endif /* CONFIG_PCI_MSI */ |
| 80 | |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 81 | static uint8_t num_vfs[3] = {0, 0, 0}; |
Matan Barak | effa4bc | 2014-09-23 16:05:59 +0300 | [diff] [blame] | 82 | static int num_vfs_argc; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 83 | module_param_array(num_vfs, byte , &num_vfs_argc, 0444); |
| 84 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0\n" |
| 85 | "num_vfs=port1,port2,port1+2"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 86 | |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 87 | static uint8_t probe_vf[3] = {0, 0, 0}; |
Matan Barak | effa4bc | 2014-09-23 16:05:59 +0300 | [diff] [blame] | 88 | static int probe_vfs_argc; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 89 | module_param_array(probe_vf, byte, &probe_vfs_argc, 0444); |
| 90 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n" |
| 91 | "probe_vf=port1,port2,port1+2"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 92 | |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 93 | 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] | 94 | module_param_named(log_num_mgm_entry_size, |
| 95 | mlx4_log_num_mgm_entry_size, int, 0444); |
| 96 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" |
| 97 | " of qp per mcg, for example:" |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 98 | " 10 gives 248.range: 7 <=" |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 99 | " log_num_mgm_entry_size <= 12." |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 100 | " To activate device managed" |
| 101 | " flow steering when available, set to -1"); |
Eugenia Emantayev | 0ec2c0f | 2011-12-13 04:16:02 +0000 | [diff] [blame] | 102 | |
Eyal Perry | be902ab | 2013-12-19 21:20:15 +0200 | [diff] [blame] | 103 | static bool enable_64b_cqe_eqe = true; |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 104 | module_param(enable_64b_cqe_eqe, bool, 0444); |
| 105 | MODULE_PARM_DESC(enable_64b_cqe_eqe, |
Eyal Perry | be902ab | 2013-12-19 21:20:15 +0200 | [diff] [blame] | 106 | "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)"); |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 107 | |
Eli Cohen | 76e39cc | 2016-03-17 18:49:42 +0200 | [diff] [blame] | 108 | static bool enable_4k_uar; |
| 109 | module_param(enable_4k_uar, bool, 0444); |
| 110 | MODULE_PARM_DESC(enable_4k_uar, |
| 111 | "Enable using 4K UAR. Should not be enabled if have VFs which do not support 4K UARs (default: false)"); |
| 112 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 113 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 114 | MLX4_FUNC_CAP_EQE_CQE_STRIDE | \ |
| 115 | MLX4_FUNC_CAP_DMFS_A0_STATIC) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 116 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 117 | #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) |
| 118 | |
Bill Pemberton | f57e684 | 2012-12-03 09:23:15 -0500 | [diff] [blame] | 119 | static char mlx4_version[] = |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 120 | DRV_NAME ": Mellanox ConnectX core driver v" |
| 121 | DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 122 | |
| 123 | static struct mlx4_profile default_profile = { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 124 | .num_qp = 1 << 18, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 125 | .num_srq = 1 << 16, |
Jack Morgenstein | c9f2ba5 | 2007-07-17 13:11:43 +0300 | [diff] [blame] | 126 | .rdmarc_per_qp = 1 << 4, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 127 | .num_cq = 1 << 16, |
| 128 | .num_mcg = 1 << 13, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 129 | .num_mpt = 1 << 19, |
Marcel Apfelbaum | 9fd7a1e | 2012-01-19 09:45:31 +0000 | [diff] [blame] | 130 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 131 | }; |
| 132 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 133 | static struct mlx4_profile low_mem_profile = { |
| 134 | .num_qp = 1 << 17, |
| 135 | .num_srq = 1 << 6, |
| 136 | .rdmarc_per_qp = 1 << 4, |
| 137 | .num_cq = 1 << 8, |
| 138 | .num_mcg = 1 << 8, |
| 139 | .num_mpt = 1 << 9, |
| 140 | .num_mtt = 1 << 7, |
| 141 | }; |
| 142 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 143 | static int log_num_mac = 7; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 144 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
| 145 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); |
| 146 | |
| 147 | static int log_num_vlan; |
| 148 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); |
| 149 | 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] | 150 | /* Log2 max number of VLANs per ETH port (0-7) */ |
| 151 | #define MLX4_LOG_NUM_VLANS 7 |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 152 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
| 153 | #define MLX4_MIN_LOG_NUM_MAC 1 |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 154 | |
Rusty Russell | eb93992 | 2011-12-19 14:08:01 +0000 | [diff] [blame] | 155 | static bool use_prio; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 156 | module_param_named(use_prio, use_prio, bool, 0444); |
Amir Vadai | ecc8fb1 | 2014-05-22 15:55:39 +0300 | [diff] [blame] | 157 | 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] | 158 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 159 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
Eli Cohen | ab6bf42 | 2009-05-27 14:38:34 -0700 | [diff] [blame] | 160 | 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] | 161 | 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] | 162 | |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 163 | 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] | 164 | static int arr_argc = 2; |
| 165 | module_param_array(port_type_array, int, &arr_argc, 0444); |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 166 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
| 167 | "1 for IB, 2 for Ethernet"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 168 | |
| 169 | struct mlx4_port_config { |
| 170 | struct list_head list; |
| 171 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; |
| 172 | struct pci_dev *pdev; |
| 173 | }; |
| 174 | |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 175 | static atomic_t pf_loading = ATOMIC_INIT(0); |
| 176 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 177 | static inline void mlx4_set_num_reserved_uars(struct mlx4_dev *dev, |
| 178 | struct mlx4_dev_cap *dev_cap) |
| 179 | { |
| 180 | /* The reserved_uars is calculated by system page size unit. |
| 181 | * Therefore, adjustment is added when the uar page size is less |
| 182 | * than the system page size |
| 183 | */ |
| 184 | dev->caps.reserved_uars = |
| 185 | max_t(int, |
| 186 | mlx4_get_num_reserved_uar(dev), |
| 187 | dev_cap->reserved_uars / |
| 188 | (1 << (PAGE_SHIFT - dev->uar_page_shift))); |
| 189 | } |
| 190 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 191 | int mlx4_check_port_params(struct mlx4_dev *dev, |
| 192 | enum mlx4_port_type *port_type) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 193 | { |
| 194 | int i; |
| 195 | |
Yuval Shaia | 0b99765 | 2014-12-13 10:18:40 -0800 | [diff] [blame] | 196 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
| 197 | for (i = 0; i < dev->caps.num_ports - 1; i++) { |
| 198 | if (port_type[i] != port_type[i + 1]) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 199 | 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] | 200 | return -EINVAL; |
| 201 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 202 | } |
| 203 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 204 | |
| 205 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 206 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 207 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
| 208 | i + 1); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 209 | return -EINVAL; |
| 210 | } |
| 211 | } |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | static void mlx4_set_port_mask(struct mlx4_dev *dev) |
| 216 | { |
| 217 | int i; |
| 218 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 219 | for (i = 1; i <= dev->caps.num_ports; ++i) |
Jack Morgenstein | 65dab25 | 2011-12-13 04:10:41 +0000 | [diff] [blame] | 220 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 221 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 222 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 223 | enum { |
| 224 | MLX4_QUERY_FUNC_NUM_SYS_EQS = 1 << 0, |
| 225 | }; |
| 226 | |
| 227 | static int mlx4_query_func(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
| 228 | { |
| 229 | int err = 0; |
| 230 | struct mlx4_func func; |
| 231 | |
| 232 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { |
| 233 | err = mlx4_QUERY_FUNC(dev, &func, 0); |
| 234 | if (err) { |
| 235 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 236 | return err; |
| 237 | } |
| 238 | dev_cap->max_eqs = func.max_eq; |
| 239 | dev_cap->reserved_eqs = func.rsvd_eqs; |
| 240 | dev_cap->reserved_uars = func.rsvd_uars; |
| 241 | err |= MLX4_QUERY_FUNC_NUM_SYS_EQS; |
| 242 | } |
| 243 | return err; |
| 244 | } |
| 245 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 246 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
| 247 | { |
| 248 | struct mlx4_caps *dev_cap = &dev->caps; |
| 249 | |
| 250 | /* FW not supporting or cancelled by user */ |
| 251 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || |
| 252 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) |
| 253 | return; |
| 254 | |
| 255 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride |
| 256 | * When FW has NCSI it may decide not to report 64B CQE/EQEs |
| 257 | */ |
| 258 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || |
| 259 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { |
| 260 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 261 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | if (cache_line_size() == 128 || cache_line_size() == 256) { |
| 266 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); |
| 267 | /* Changing the real data inside CQE size to 32B */ |
| 268 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; |
| 269 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; |
| 270 | |
| 271 | if (mlx4_is_master(dev)) |
| 272 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; |
| 273 | } else { |
Or Gerlitz | 0fab541 | 2015-02-03 17:57:17 +0200 | [diff] [blame] | 274 | if (cache_line_size() != 32 && cache_line_size() != 64) |
| 275 | mlx4_dbg(dev, "Disabling CQE stride, cacheLine size unsupported\n"); |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 276 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 277 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 278 | } |
| 279 | } |
| 280 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 281 | static int _mlx4_dev_port(struct mlx4_dev *dev, int port, |
| 282 | struct mlx4_port_cap *port_cap) |
| 283 | { |
| 284 | dev->caps.vl_cap[port] = port_cap->max_vl; |
| 285 | dev->caps.ib_mtu_cap[port] = port_cap->ib_mtu; |
| 286 | dev->phys_caps.gid_phys_table_len[port] = port_cap->max_gids; |
| 287 | dev->phys_caps.pkey_phys_table_len[port] = port_cap->max_pkeys; |
| 288 | /* set gid and pkey table operating lengths by default |
| 289 | * to non-sriov values |
| 290 | */ |
| 291 | dev->caps.gid_table_len[port] = port_cap->max_gids; |
| 292 | dev->caps.pkey_table_len[port] = port_cap->max_pkeys; |
| 293 | dev->caps.port_width_cap[port] = port_cap->max_port_width; |
| 294 | dev->caps.eth_mtu_cap[port] = port_cap->eth_mtu; |
Rana Shahout | af7d518 | 2016-06-21 12:43:59 +0300 | [diff] [blame] | 295 | dev->caps.max_tc_eth = port_cap->max_tc_eth; |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 296 | dev->caps.def_mac[port] = port_cap->def_mac; |
| 297 | dev->caps.supported_type[port] = port_cap->supported_port_types; |
| 298 | dev->caps.suggested_type[port] = port_cap->suggested_type; |
| 299 | dev->caps.default_sense[port] = port_cap->default_sense; |
| 300 | dev->caps.trans_type[port] = port_cap->trans_type; |
| 301 | dev->caps.vendor_oui[port] = port_cap->vendor_oui; |
| 302 | dev->caps.wavelength[port] = port_cap->wavelength; |
| 303 | dev->caps.trans_code[port] = port_cap->trans_code; |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | static int mlx4_dev_port(struct mlx4_dev *dev, int port, |
| 309 | struct mlx4_port_cap *port_cap) |
| 310 | { |
| 311 | int err = 0; |
| 312 | |
| 313 | err = mlx4_QUERY_PORT(dev, port, port_cap); |
| 314 | |
| 315 | if (err) |
| 316 | mlx4_err(dev, "QUERY_PORT command failed.\n"); |
| 317 | |
| 318 | return err; |
| 319 | } |
| 320 | |
Muhammad Mahajna | 78500b8 | 2015-04-02 16:31:22 +0300 | [diff] [blame] | 321 | static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev) |
| 322 | { |
| 323 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)) |
| 324 | return; |
| 325 | |
| 326 | if (mlx4_is_mfunc(dev)) { |
| 327 | mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS"); |
| 328 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; |
| 329 | return; |
| 330 | } |
| 331 | |
| 332 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) { |
| 333 | mlx4_dbg(dev, |
| 334 | "Keep FCS is not supported - Disabling Ignore FCS"); |
| 335 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; |
| 336 | return; |
| 337 | } |
| 338 | } |
| 339 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 340 | #define MLX4_A0_STEERING_TABLE_SIZE 256 |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 341 | 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] | 342 | { |
| 343 | int err; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 344 | int i; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 345 | |
| 346 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 347 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 348 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 349 | return err; |
| 350 | } |
Or Gerlitz | c78e25e | 2014-12-14 16:18:05 +0200 | [diff] [blame] | 351 | mlx4_dev_cap_dump(dev, dev_cap); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 352 | |
| 353 | if (dev_cap->min_page_sz > PAGE_SIZE) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 354 | 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] | 355 | dev_cap->min_page_sz, PAGE_SIZE); |
| 356 | return -ENODEV; |
| 357 | } |
| 358 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 359 | 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] | 360 | dev_cap->num_ports, MLX4_MAX_PORTS); |
| 361 | return -ENODEV; |
| 362 | } |
| 363 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 364 | if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 365 | 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] | 366 | dev_cap->uar_size, |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 367 | (unsigned long long) |
| 368 | pci_resource_len(dev->persist->pdev, 2)); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 369 | return -ENODEV; |
| 370 | } |
| 371 | |
| 372 | dev->caps.num_ports = dev_cap->num_ports; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 373 | dev->caps.num_sys_eqs = dev_cap->num_sys_eqs; |
| 374 | dev->phys_caps.num_phys_eqs = dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS ? |
| 375 | dev->caps.num_sys_eqs : |
| 376 | MLX4_MAX_EQ_NUM; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 377 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 378 | err = _mlx4_dev_port(dev, i, dev_cap->port_cap + i); |
| 379 | if (err) { |
| 380 | mlx4_err(dev, "QUERY_PORT command failed, aborting\n"); |
| 381 | return err; |
| 382 | } |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 383 | } |
| 384 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 385 | dev->caps.uar_page_size = PAGE_SIZE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 386 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 387 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
| 388 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; |
| 389 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; |
| 390 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; |
| 391 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; |
| 392 | dev->caps.max_wqes = dev_cap->max_qp_sz; |
| 393 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 394 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
| 395 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; |
| 396 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; |
| 397 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; |
| 398 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 399 | /* |
| 400 | * Subtract 1 from the limit because we need to allocate a |
| 401 | * spare CQE so the HCA HW can tell the difference between an |
| 402 | * empty CQ and a full CQ. |
| 403 | */ |
| 404 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; |
| 405 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; |
| 406 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 407 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 408 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 409 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 410 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 411 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
| 412 | dev_cap->reserved_xrcds : 0; |
| 413 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
| 414 | dev_cap->max_xrcds : 0; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 415 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
| 416 | |
Dotan Barak | 149983af | 2007-06-26 15:55:28 +0300 | [diff] [blame] | 417 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 418 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
| 419 | dev->caps.flags = dev_cap->flags; |
Shlomo Pongratz | b3416f4 | 2012-04-29 17:04:25 +0300 | [diff] [blame] | 420 | dev->caps.flags2 = dev_cap->flags2; |
Roland Dreier | 95d04f0 | 2008-07-23 08:12:26 -0700 | [diff] [blame] | 421 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
| 422 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 423 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
Eli Cohen | b832be1 | 2008-04-16 21:09:27 -0700 | [diff] [blame] | 424 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
Shlomo Pongratz | b3416f4 | 2012-04-29 17:04:25 +0300 | [diff] [blame] | 425 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 426 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 427 | /* Save uar page shift */ |
| 428 | if (!mlx4_is_slave(dev)) { |
| 429 | /* Virtual PCI function needs to determine UAR page size from |
| 430 | * firmware. Only master PCI function can set the uar page size |
| 431 | */ |
Eli Cohen | 76e39cc | 2016-03-17 18:49:42 +0200 | [diff] [blame] | 432 | if (enable_4k_uar) |
| 433 | dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT; |
| 434 | else |
| 435 | dev->uar_page_shift = PAGE_SHIFT; |
| 436 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 437 | mlx4_set_num_reserved_uars(dev, dev_cap); |
| 438 | } |
| 439 | |
Hadar Hen Zion | 77fc29c | 2015-07-27 14:46:31 +0300 | [diff] [blame] | 440 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { |
| 441 | struct mlx4_init_hca_param hca_param; |
| 442 | |
| 443 | memset(&hca_param, 0, sizeof(hca_param)); |
| 444 | err = mlx4_QUERY_HCA(dev, &hca_param); |
| 445 | /* Turn off PHV_EN flag in case phv_check_en is set. |
| 446 | * phv_check_en is a HW check that parse the packet and verify |
| 447 | * phv bit was reported correctly in the wqe. To allow QinQ |
| 448 | * PHV_EN flag should be set and phv_check_en must be cleared |
| 449 | * otherwise QinQ packets will be drop by the HW. |
| 450 | */ |
| 451 | if (err || hca_param.phv_check_en) |
| 452 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; |
| 453 | } |
| 454 | |
Roland Dreier | ca3e57a | 2012-09-27 09:53:05 -0700 | [diff] [blame] | 455 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
| 456 | 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] | 457 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
Roland Dreier | aadf4f3 | 2012-09-27 10:01:19 -0700 | [diff] [blame] | 458 | /* Don't do sense port on multifunction devices (for now at least) */ |
| 459 | if (mlx4_is_mfunc(dev)) |
| 460 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 461 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 462 | if (mlx4_low_memory_profile()) { |
| 463 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; |
| 464 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; |
| 465 | } else { |
| 466 | dev->caps.log_num_macs = log_num_mac; |
| 467 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; |
| 468 | } |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 469 | |
| 470 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 471 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
| 472 | if (dev->caps.supported_type[i]) { |
| 473 | /* if only ETH is supported - assign ETH */ |
| 474 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) |
| 475 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 476 | /* if only IB is supported, assign IB */ |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 477 | else if (dev->caps.supported_type[i] == |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 478 | MLX4_PORT_TYPE_IB) |
| 479 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 480 | else { |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 481 | /* if IB and ETH are supported, we set the port |
| 482 | * type according to user selection of port type; |
| 483 | * if user selected none, take the FW hint */ |
| 484 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 485 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
| 486 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 487 | else |
Jack Morgenstein | 105c320 | 2012-06-19 11:21:43 +0300 | [diff] [blame] | 488 | dev->caps.port_type[i] = port_type_array[i - 1]; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 489 | } |
| 490 | } |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 491 | /* |
| 492 | * Link sensing is allowed on the port if 3 conditions are true: |
| 493 | * 1. Both protocols are supported on the port. |
| 494 | * 2. Different types are supported on the port |
| 495 | * 3. FW declared that it supports link sensing |
| 496 | */ |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 497 | mlx4_priv(dev)->sense.sense_allowed[i] = |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 498 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 499 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 500 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 501 | |
Yevgeny Petrilin | 8d0fc7b | 2011-12-19 04:00:34 +0000 | [diff] [blame] | 502 | /* |
| 503 | * If "default_sense" bit is set, we move the port to "AUTO" mode |
| 504 | * and perform sense_port FW command to try and set the correct |
| 505 | * port type from beginning |
| 506 | */ |
Yevgeny Petrilin | 46c4674 | 2011-12-29 07:42:34 +0000 | [diff] [blame] | 507 | 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] | 508 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
| 509 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; |
| 510 | mlx4_SENSE_PORT(dev, i, &sensed_port); |
| 511 | if (sensed_port != MLX4_PORT_TYPE_NONE) |
| 512 | dev->caps.port_type[i] = sensed_port; |
| 513 | } else { |
| 514 | dev->caps.possible_type[i] = dev->caps.port_type[i]; |
| 515 | } |
| 516 | |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 517 | if (dev->caps.log_num_macs > dev_cap->port_cap[i].log_max_macs) { |
| 518 | 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] | 519 | 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] | 520 | i, 1 << dev->caps.log_num_macs); |
| 521 | } |
Matan Barak | 431df8c | 2014-12-11 10:57:59 +0200 | [diff] [blame] | 522 | if (dev->caps.log_num_vlans > dev_cap->port_cap[i].log_max_vlans) { |
| 523 | 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] | 524 | 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] | 525 | i, 1 << dev->caps.log_num_vlans); |
| 526 | } |
| 527 | } |
| 528 | |
Or Gerlitz | ac0a72a | 2015-06-14 17:13:06 +0300 | [diff] [blame] | 529 | if (mlx4_is_master(dev) && (dev->caps.num_ports == 2) && |
| 530 | (port_type_array[0] == MLX4_PORT_TYPE_IB) && |
| 531 | (port_type_array[1] == MLX4_PORT_TYPE_ETH)) { |
| 532 | mlx4_warn(dev, |
| 533 | "Granular QoS per VF not supported with IB/Eth configuration\n"); |
| 534 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_QOS_VPP; |
| 535 | } |
| 536 | |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 537 | dev->caps.max_counters = dev_cap->max_counters; |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 538 | |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 539 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
| 540 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = |
| 541 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = |
| 542 | (1 << dev->caps.log_num_macs) * |
| 543 | (1 << dev->caps.log_num_vlans) * |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 544 | dev->caps.num_ports; |
| 545 | 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] | 546 | |
| 547 | if (dev_cap->dmfs_high_rate_qpn_base > 0 && |
| 548 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) |
| 549 | dev->caps.dmfs_high_rate_qpn_base = dev_cap->dmfs_high_rate_qpn_base; |
| 550 | else |
| 551 | dev->caps.dmfs_high_rate_qpn_base = |
| 552 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 553 | |
| 554 | if (dev_cap->dmfs_high_rate_qpn_range > 0 && |
| 555 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { |
| 556 | dev->caps.dmfs_high_rate_qpn_range = dev_cap->dmfs_high_rate_qpn_range; |
| 557 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DEFAULT; |
| 558 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_FS_A0; |
| 559 | } else { |
| 560 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_NOT_SUPPORTED; |
| 561 | dev->caps.dmfs_high_rate_qpn_base = |
| 562 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 563 | dev->caps.dmfs_high_rate_qpn_range = MLX4_A0_STEERING_TABLE_SIZE; |
| 564 | } |
| 565 | |
Or Gerlitz | fc31e25 | 2015-03-18 14:57:34 +0200 | [diff] [blame] | 566 | dev->caps.rl_caps = dev_cap->rl_caps; |
| 567 | |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 568 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_RSS_RAW_ETH] = |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 569 | dev->caps.dmfs_high_rate_qpn_range; |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 570 | |
| 571 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + |
| 572 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + |
| 573 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + |
| 574 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; |
| 575 | |
Jack Morgenstein | e2c7682 | 2012-08-03 08:40:41 +0000 | [diff] [blame] | 576 | 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] | 577 | |
Jack Morgenstein | b305132 | 2013-08-01 19:55:01 +0300 | [diff] [blame] | 578 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 579 | if (dev_cap->flags & |
| 580 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { |
| 581 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); |
| 582 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; |
| 583 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; |
| 584 | } |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 585 | |
| 586 | if (dev_cap->flags2 & |
| 587 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | |
| 588 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { |
| 589 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); |
| 590 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
| 591 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; |
| 592 | } |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 593 | } |
| 594 | |
Or Gerlitz | f97b4b5 | 2013-01-10 15:18:35 +0000 | [diff] [blame] | 595 | if ((dev->caps.flags & |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 596 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
| 597 | mlx4_is_master(dev)) |
| 598 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; |
| 599 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 600 | if (!mlx4_is_slave(dev)) { |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 601 | mlx4_enable_cqe_eqe_stride(dev); |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 602 | dev->caps.alloc_res_qp_mask = |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 603 | (dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) | |
| 604 | MLX4_RESERVE_A0_QP; |
Ido Shamay | 3742cc6 | 2015-04-02 16:31:17 +0300 | [diff] [blame] | 605 | |
| 606 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) && |
| 607 | dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { |
| 608 | mlx4_warn(dev, "Old device ETS support detected\n"); |
| 609 | mlx4_warn(dev, "Consider upgrading device FW.\n"); |
| 610 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; |
| 611 | } |
| 612 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 613 | } else { |
| 614 | dev->caps.alloc_res_qp_mask = 0; |
| 615 | } |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 616 | |
Muhammad Mahajna | 78500b8 | 2015-04-02 16:31:22 +0300 | [diff] [blame] | 617 | mlx4_enable_ignore_fcs(dev); |
| 618 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 619 | return 0; |
| 620 | } |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 621 | |
| 622 | static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev, |
| 623 | enum pci_bus_speed *speed, |
| 624 | enum pcie_link_width *width) |
| 625 | { |
| 626 | u32 lnkcap1, lnkcap2; |
| 627 | int err1, err2; |
| 628 | |
| 629 | #define PCIE_MLW_CAP_SHIFT 4 /* start of MLW mask in link capabilities */ |
| 630 | |
| 631 | *speed = PCI_SPEED_UNKNOWN; |
| 632 | *width = PCIE_LNK_WIDTH_UNKNOWN; |
| 633 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 634 | err1 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP, |
| 635 | &lnkcap1); |
| 636 | err2 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP2, |
| 637 | &lnkcap2); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 638 | if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */ |
| 639 | if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) |
| 640 | *speed = PCIE_SPEED_8_0GT; |
| 641 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) |
| 642 | *speed = PCIE_SPEED_5_0GT; |
| 643 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) |
| 644 | *speed = PCIE_SPEED_2_5GT; |
| 645 | } |
| 646 | if (!err1) { |
| 647 | *width = (lnkcap1 & PCI_EXP_LNKCAP_MLW) >> PCIE_MLW_CAP_SHIFT; |
| 648 | if (!lnkcap2) { /* pre-r3.0 */ |
| 649 | if (lnkcap1 & PCI_EXP_LNKCAP_SLS_5_0GB) |
| 650 | *speed = PCIE_SPEED_5_0GT; |
| 651 | else if (lnkcap1 & PCI_EXP_LNKCAP_SLS_2_5GB) |
| 652 | *speed = PCIE_SPEED_2_5GT; |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | if (*speed == PCI_SPEED_UNKNOWN || *width == PCIE_LNK_WIDTH_UNKNOWN) { |
| 657 | return err1 ? err1 : |
| 658 | err2 ? err2 : -EINVAL; |
| 659 | } |
| 660 | return 0; |
| 661 | } |
| 662 | |
| 663 | static void mlx4_check_pcie_caps(struct mlx4_dev *dev) |
| 664 | { |
| 665 | enum pcie_link_width width, width_cap; |
| 666 | enum pci_bus_speed speed, speed_cap; |
| 667 | int err; |
| 668 | |
| 669 | #define PCIE_SPEED_STR(speed) \ |
| 670 | (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : \ |
| 671 | speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : \ |
| 672 | speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : \ |
| 673 | "Unknown") |
| 674 | |
| 675 | err = mlx4_get_pcie_dev_link_caps(dev, &speed_cap, &width_cap); |
| 676 | if (err) { |
| 677 | mlx4_warn(dev, |
| 678 | "Unable to determine PCIe device BW capabilities\n"); |
| 679 | return; |
| 680 | } |
| 681 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 682 | err = pcie_get_minimum_link(dev->persist->pdev, &speed, &width); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 683 | if (err || speed == PCI_SPEED_UNKNOWN || |
| 684 | width == PCIE_LNK_WIDTH_UNKNOWN) { |
| 685 | mlx4_warn(dev, |
| 686 | "Unable to determine PCI device chain minimum BW\n"); |
| 687 | return; |
| 688 | } |
| 689 | |
| 690 | if (width != width_cap || speed != speed_cap) |
| 691 | mlx4_warn(dev, |
| 692 | "PCIe BW is different than device's capability\n"); |
| 693 | |
| 694 | mlx4_info(dev, "PCIe link speed is %s, device supports %s\n", |
| 695 | PCIE_SPEED_STR(speed), PCIE_SPEED_STR(speed_cap)); |
| 696 | mlx4_info(dev, "PCIe link width is x%d, device supports x%d\n", |
| 697 | width, width_cap); |
| 698 | return; |
| 699 | } |
| 700 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 701 | /*The function checks if there are live vf, return the num of them*/ |
| 702 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) |
| 703 | { |
| 704 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 705 | struct mlx4_slave_state *s_state; |
| 706 | int i; |
| 707 | int ret = 0; |
| 708 | |
| 709 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { |
| 710 | s_state = &priv->mfunc.master.slave_state[i]; |
| 711 | if (s_state->active && s_state->last_cmd != |
| 712 | MLX4_COMM_CMD_RESET) { |
| 713 | mlx4_warn(dev, "%s: slave: %d is still active\n", |
| 714 | __func__, i); |
| 715 | ret++; |
| 716 | } |
| 717 | } |
| 718 | return ret; |
| 719 | } |
| 720 | |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 721 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
| 722 | { |
| 723 | u32 qk = MLX4_RESERVED_QKEY_BASE; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 724 | |
| 725 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || |
| 726 | qpn < dev->phys_caps.base_proxy_sqpn) |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 727 | return -EINVAL; |
| 728 | |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 729 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 730 | /* tunnel qp */ |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 731 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 732 | else |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 733 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
Jack Morgenstein | 396f2fe | 2012-06-19 11:21:42 +0300 | [diff] [blame] | 734 | *qkey = qk; |
| 735 | return 0; |
| 736 | } |
| 737 | EXPORT_SYMBOL(mlx4_get_parav_qkey); |
| 738 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 739 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
| 740 | { |
| 741 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 742 | |
| 743 | if (!mlx4_is_master(dev)) |
| 744 | return; |
| 745 | |
| 746 | priv->virt2phys_pkey[slave][port - 1][i] = val; |
| 747 | } |
| 748 | EXPORT_SYMBOL(mlx4_sync_pkey_table); |
| 749 | |
Jack Morgenstein | afa8fd1 | 2012-08-03 08:40:56 +0000 | [diff] [blame] | 750 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
| 751 | { |
| 752 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 753 | |
| 754 | if (!mlx4_is_master(dev)) |
| 755 | return; |
| 756 | |
| 757 | priv->slave_node_guids[slave] = guid; |
| 758 | } |
| 759 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); |
| 760 | |
| 761 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) |
| 762 | { |
| 763 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); |
| 764 | |
| 765 | if (!mlx4_is_master(dev)) |
| 766 | return 0; |
| 767 | |
| 768 | return priv->slave_node_guids[slave]; |
| 769 | } |
| 770 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); |
| 771 | |
Roland Dreier | e10903b | 2012-02-26 01:48:12 -0800 | [diff] [blame] | 772 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 773 | { |
| 774 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 775 | struct mlx4_slave_state *s_slave; |
| 776 | |
| 777 | if (!mlx4_is_master(dev)) |
| 778 | return 0; |
| 779 | |
| 780 | s_slave = &priv->mfunc.master.slave_state[slave]; |
| 781 | return !!s_slave->active; |
| 782 | } |
| 783 | EXPORT_SYMBOL(mlx4_is_slave_active); |
| 784 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 785 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
| 786 | struct mlx4_dev_cap *dev_cap, |
| 787 | struct mlx4_init_hca_param *hca_param) |
| 788 | { |
| 789 | dev->caps.steering_mode = hca_param->steering_mode; |
| 790 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 791 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; |
| 792 | dev->caps.fs_log_max_ucast_qp_range_size = |
| 793 | dev_cap->fs_log_max_ucast_qp_range_size; |
| 794 | } else |
| 795 | dev->caps.num_qp_per_mgm = |
| 796 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); |
| 797 | |
| 798 | mlx4_dbg(dev, "Steering mode is: %s\n", |
| 799 | mlx4_steering_mode_str(dev->caps.steering_mode)); |
| 800 | } |
| 801 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 802 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
| 803 | { |
| 804 | int err; |
| 805 | u32 page_size; |
| 806 | struct mlx4_dev_cap dev_cap; |
| 807 | struct mlx4_func_cap func_cap; |
| 808 | struct mlx4_init_hca_param hca_param; |
Matan Barak | 225c6c8 | 2014-11-13 14:45:28 +0200 | [diff] [blame] | 809 | u8 i; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 810 | |
| 811 | memset(&hca_param, 0, sizeof(hca_param)); |
| 812 | err = mlx4_QUERY_HCA(dev, &hca_param); |
| 813 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 814 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 815 | return err; |
| 816 | } |
| 817 | |
Eyal Perry | 483e013 | 2014-05-14 12:15:14 +0300 | [diff] [blame] | 818 | /* fail if the hca has an unknown global capability |
| 819 | * at this time global_caps should be always zeroed |
| 820 | */ |
| 821 | if (hca_param.global_caps) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 822 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
| 823 | return -ENOSYS; |
| 824 | } |
| 825 | |
| 826 | mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz; |
| 827 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 828 | dev->caps.hca_core_clock = hca_param.hca_core_clock; |
| 829 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 830 | memset(&dev_cap, 0, sizeof(dev_cap)); |
Jack Morgenstein | b91cb3e | 2012-05-30 09:14:53 +0000 | [diff] [blame] | 831 | 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] | 832 | err = mlx4_dev_cap(dev, &dev_cap); |
| 833 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 834 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 835 | return err; |
| 836 | } |
| 837 | |
Jack Morgenstein | b91cb3e | 2012-05-30 09:14:53 +0000 | [diff] [blame] | 838 | err = mlx4_QUERY_FW(dev); |
| 839 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 840 | 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] | 841 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 842 | page_size = ~dev->caps.page_size_cap + 1; |
| 843 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); |
| 844 | if (page_size > PAGE_SIZE) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 845 | 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] | 846 | page_size, PAGE_SIZE); |
| 847 | return -ENODEV; |
| 848 | } |
| 849 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 850 | /* Set uar_page_shift for VF */ |
| 851 | dev->uar_page_shift = hca_param.uar_page_sz + 12; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 852 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 853 | /* Make sure the master uar page size is valid */ |
| 854 | if (dev->uar_page_shift > PAGE_SHIFT) { |
| 855 | mlx4_err(dev, |
| 856 | "Invalid configuration: uar page size is larger than system page size\n"); |
| 857 | return -ENODEV; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 858 | } |
| 859 | |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 860 | /* Set reserved_uars based on the uar_page_shift */ |
| 861 | mlx4_set_num_reserved_uars(dev, &dev_cap); |
| 862 | |
| 863 | /* Although uar page size in FW differs from system page size, |
| 864 | * upper software layers (mlx4_ib, mlx4_en and part of mlx4_core) |
| 865 | * still works with assumption that uar page size == system page size |
| 866 | */ |
| 867 | dev->caps.uar_page_size = PAGE_SIZE; |
| 868 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 869 | memset(&func_cap, 0, sizeof(func_cap)); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 870 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 871 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 872 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
| 873 | err); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 874 | return err; |
| 875 | } |
| 876 | |
| 877 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != |
| 878 | PF_CONTEXT_BEHAVIOUR_MASK) { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 879 | mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n", |
| 880 | func_cap.pf_context_behaviour, PF_CONTEXT_BEHAVIOUR_MASK); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 881 | return -ENOSYS; |
| 882 | } |
| 883 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 884 | dev->caps.num_ports = func_cap.num_ports; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 885 | dev->quotas.qp = func_cap.qp_quota; |
| 886 | dev->quotas.srq = func_cap.srq_quota; |
| 887 | dev->quotas.cq = func_cap.cq_quota; |
| 888 | dev->quotas.mpt = func_cap.mpt_quota; |
| 889 | dev->quotas.mtt = func_cap.mtt_quota; |
| 890 | dev->caps.num_qps = 1 << hca_param.log_num_qps; |
| 891 | dev->caps.num_srqs = 1 << hca_param.log_num_srqs; |
| 892 | dev->caps.num_cqs = 1 << hca_param.log_num_cqs; |
| 893 | dev->caps.num_mpts = 1 << hca_param.log_mpt_sz; |
| 894 | dev->caps.num_eqs = func_cap.max_eq; |
| 895 | dev->caps.reserved_eqs = func_cap.reserved_eq; |
Jack Morgenstein | f0ce061 | 2015-01-27 15:58:00 +0200 | [diff] [blame] | 896 | dev->caps.reserved_lkey = func_cap.reserved_lkey; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 897 | dev->caps.num_pds = MLX4_NUM_PDS; |
| 898 | dev->caps.num_mgms = 0; |
| 899 | dev->caps.num_amgms = 0; |
| 900 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 901 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 902 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
| 903 | dev->caps.num_ports, MLX4_MAX_PORTS); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 904 | return -ENODEV; |
| 905 | } |
| 906 | |
Jack Morgenstein | 2b3ddf2 | 2015-10-14 17:43:48 +0300 | [diff] [blame] | 907 | mlx4_replace_zero_macs(dev); |
| 908 | |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 909 | 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] | 910 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 911 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 912 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 913 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
| 914 | |
| 915 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 916 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy || |
| 917 | !dev->caps.qp0_qkey) { |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 918 | err = -ENOMEM; |
| 919 | goto err_mem; |
| 920 | } |
| 921 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 922 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
Matan Barak | 225c6c8 | 2014-11-13 14:45:28 +0200 | [diff] [blame] | 923 | err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 924 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 925 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", |
| 926 | i, err); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 927 | goto err_mem; |
| 928 | } |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 929 | dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 930 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; |
| 931 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; |
| 932 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; |
| 933 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; |
Jack Morgenstein | 6230bb2 | 2012-05-30 09:14:54 +0000 | [diff] [blame] | 934 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
Hadar Hen Zion | 8e1a28e | 2013-12-19 21:20:12 +0200 | [diff] [blame] | 935 | dev->caps.phys_port_id[i] = func_cap.phys_port_id; |
Noa Osherovich | d49c219 | 2015-11-12 19:35:30 +0200 | [diff] [blame] | 936 | err = mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
| 937 | &dev->caps.gid_table_len[i], |
| 938 | &dev->caps.pkey_table_len[i]); |
| 939 | if (err) |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 940 | goto err_mem; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 941 | } |
Jack Morgenstein | 6230bb2 | 2012-05-30 09:14:54 +0000 | [diff] [blame] | 942 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 943 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
| 944 | dev->caps.reserved_uars) > |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 945 | pci_resource_len(dev->persist->pdev, |
| 946 | 2)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 947 | 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] | 948 | dev->caps.uar_page_size * dev->caps.num_uars, |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 949 | (unsigned long long) |
| 950 | pci_resource_len(dev->persist->pdev, 2)); |
Noa Osherovich | d49c219 | 2015-11-12 19:35:30 +0200 | [diff] [blame] | 951 | err = -ENOMEM; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 952 | goto err_mem; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 953 | } |
| 954 | |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 955 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
| 956 | dev->caps.eqe_size = 64; |
| 957 | dev->caps.eqe_factor = 1; |
| 958 | } else { |
| 959 | dev->caps.eqe_size = 32; |
| 960 | dev->caps.eqe_factor = 0; |
| 961 | } |
| 962 | |
| 963 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { |
| 964 | dev->caps.cqe_size = 64; |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 965 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
Or Gerlitz | 08ff323 | 2012-10-21 14:59:24 +0000 | [diff] [blame] | 966 | } else { |
| 967 | dev->caps.cqe_size = 32; |
| 968 | } |
| 969 | |
Ido Shamay | 77507aa | 2014-09-18 11:50:59 +0300 | [diff] [blame] | 970 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
| 971 | dev->caps.eqe_size = hca_param.eqe_size; |
| 972 | dev->caps.eqe_factor = 0; |
| 973 | } |
| 974 | |
| 975 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { |
| 976 | dev->caps.cqe_size = hca_param.cqe_size; |
| 977 | /* User still need to know when CQE > 32B */ |
| 978 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
| 979 | } |
| 980 | |
Amir Vadai | f9bd2d7 | 2013-06-20 14:58:10 +0300 | [diff] [blame] | 981 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 982 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
Amir Vadai | f9bd2d7 | 2013-06-20 14:58:10 +0300 | [diff] [blame] | 983 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 984 | slave_adjust_steering_mode(dev, &dev_cap, &hca_param); |
Ido Shamay | 802f42a | 2015-04-02 16:31:06 +0300 | [diff] [blame] | 985 | mlx4_dbg(dev, "RSS support for IP fragments is %s\n", |
| 986 | hca_param.rss_ip_frags ? "on" : "off"); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 987 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 988 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP && |
| 989 | dev->caps.bf_reg_size) |
| 990 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP; |
| 991 | |
Matan Barak | d57febe | 2014-12-11 10:57:57 +0200 | [diff] [blame] | 992 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP) |
| 993 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP; |
| 994 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 995 | return 0; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 996 | |
| 997 | err_mem: |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 998 | kfree(dev->caps.qp0_qkey); |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 999 | kfree(dev->caps.qp0_tunnel); |
| 1000 | kfree(dev->caps.qp0_proxy); |
| 1001 | kfree(dev->caps.qp1_tunnel); |
| 1002 | kfree(dev->caps.qp1_proxy); |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 1003 | dev->caps.qp0_qkey = NULL; |
| 1004 | dev->caps.qp0_tunnel = NULL; |
| 1005 | dev->caps.qp0_proxy = NULL; |
| 1006 | dev->caps.qp1_tunnel = NULL; |
| 1007 | dev->caps.qp1_proxy = NULL; |
Jack Morgenstein | 47605df | 2012-08-03 08:40:57 +0000 | [diff] [blame] | 1008 | |
| 1009 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1010 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1011 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 1012 | static void mlx4_request_modules(struct mlx4_dev *dev) |
| 1013 | { |
| 1014 | int port; |
| 1015 | int has_ib_port = false; |
| 1016 | int has_eth_port = false; |
| 1017 | #define EN_DRV_NAME "mlx4_en" |
| 1018 | #define IB_DRV_NAME "mlx4_ib" |
| 1019 | |
| 1020 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 1021 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) |
| 1022 | has_ib_port = true; |
| 1023 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) |
| 1024 | has_eth_port = true; |
| 1025 | } |
| 1026 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 1027 | if (has_eth_port) |
| 1028 | request_module_nowait(EN_DRV_NAME); |
Or Gerlitz | f24f790 | 2014-05-04 17:07:24 +0300 | [diff] [blame] | 1029 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
| 1030 | request_module_nowait(IB_DRV_NAME); |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 1031 | } |
| 1032 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1033 | /* |
| 1034 | * Change the port configuration of the device. |
| 1035 | * Every user of this function must hold the port mutex. |
| 1036 | */ |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1037 | int mlx4_change_port_types(struct mlx4_dev *dev, |
| 1038 | enum mlx4_port_type *port_types) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1039 | { |
| 1040 | int err = 0; |
| 1041 | int change = 0; |
| 1042 | int port; |
| 1043 | |
| 1044 | for (port = 0; port < dev->caps.num_ports; port++) { |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1045 | /* Change the port type only if the new type is different |
| 1046 | * from the current, and not set to Auto */ |
Yevgeny Petrilin | 3d8f930 | 2012-02-21 03:41:07 +0000 | [diff] [blame] | 1047 | if (port_types[port] != dev->caps.port_type[port + 1]) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1048 | change = 1; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1049 | } |
| 1050 | if (change) { |
| 1051 | mlx4_unregister_device(dev); |
| 1052 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 1053 | mlx4_CLOSE_PORT(dev, port); |
Yevgeny Petrilin | 1e0f03d | 2012-02-23 07:04:35 +0000 | [diff] [blame] | 1054 | dev->caps.port_type[port] = port_types[port - 1]; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1055 | err = mlx4_SET_PORT(dev, port, -1); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1056 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1057 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
| 1058 | port); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1059 | goto out; |
| 1060 | } |
| 1061 | } |
| 1062 | mlx4_set_port_mask(dev); |
| 1063 | err = mlx4_register_device(dev); |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 1064 | if (err) { |
| 1065 | mlx4_err(dev, "Failed to register device\n"); |
| 1066 | goto out; |
| 1067 | } |
| 1068 | mlx4_request_modules(dev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1069 | } |
| 1070 | |
| 1071 | out: |
| 1072 | return err; |
| 1073 | } |
| 1074 | |
| 1075 | static ssize_t show_port_type(struct device *dev, |
| 1076 | struct device_attribute *attr, |
| 1077 | char *buf) |
| 1078 | { |
| 1079 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1080 | port_attr); |
| 1081 | struct mlx4_dev *mdev = info->dev; |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1082 | char type[8]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1083 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1084 | sprintf(type, "%s", |
| 1085 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? |
| 1086 | "ib" : "eth"); |
| 1087 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) |
| 1088 | sprintf(buf, "auto (%s)\n", type); |
| 1089 | else |
| 1090 | sprintf(buf, "%s\n", type); |
| 1091 | |
| 1092 | return strlen(buf); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1093 | } |
| 1094 | |
Jiri Pirko | b2facd9 | 2016-02-26 17:32:25 +0100 | [diff] [blame] | 1095 | static int __set_port_type(struct mlx4_port_info *info, |
| 1096 | enum mlx4_port_type port_type) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1097 | { |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1098 | struct mlx4_dev *mdev = info->dev; |
| 1099 | struct mlx4_priv *priv = mlx4_priv(mdev); |
| 1100 | enum mlx4_port_type types[MLX4_MAX_PORTS]; |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1101 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1102 | int i; |
| 1103 | int err = 0; |
| 1104 | |
Maor Gottlieb | 33a1f8b | 2016-10-27 16:27:14 +0300 | [diff] [blame] | 1105 | if ((port_type & mdev->caps.supported_type[info->port]) != port_type) { |
| 1106 | mlx4_err(mdev, |
| 1107 | "Requested port type for port %d is not supported on this HCA\n", |
| 1108 | info->port); |
| 1109 | err = -EINVAL; |
| 1110 | goto err_sup; |
| 1111 | } |
| 1112 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1113 | mlx4_stop_sense(mdev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1114 | mutex_lock(&priv->port_mutex); |
Jiri Pirko | b2facd9 | 2016-02-26 17:32:25 +0100 | [diff] [blame] | 1115 | info->tmp_type = port_type; |
| 1116 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1117 | /* Possible type is always the one that was delivered */ |
| 1118 | mdev->caps.possible_type[info->port] = info->tmp_type; |
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 | for (i = 0; i < mdev->caps.num_ports; i++) { |
| 1121 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
| 1122 | mdev->caps.possible_type[i+1]; |
| 1123 | if (types[i] == MLX4_PORT_TYPE_AUTO) |
| 1124 | types[i] = mdev->caps.port_type[i+1]; |
| 1125 | } |
| 1126 | |
Yevgeny Petrilin | 58a6016 | 2011-12-19 04:00:26 +0000 | [diff] [blame] | 1127 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
| 1128 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1129 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
| 1130 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { |
| 1131 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; |
| 1132 | err = -EINVAL; |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1137 | 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] | 1138 | goto out; |
| 1139 | } |
| 1140 | |
| 1141 | mlx4_do_sense_ports(mdev, new_types, types); |
| 1142 | |
| 1143 | err = mlx4_check_port_params(mdev, new_types); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1144 | if (err) |
| 1145 | goto out; |
| 1146 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1147 | /* We are about to apply the changes after the configuration |
| 1148 | * was verified, no need to remember the temporary types |
| 1149 | * any more */ |
| 1150 | for (i = 0; i < mdev->caps.num_ports; i++) |
| 1151 | priv->port[i + 1].tmp_type = 0; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1152 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1153 | err = mlx4_change_port_types(mdev, new_types); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1154 | |
| 1155 | out: |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 1156 | mlx4_start_sense(mdev); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1157 | mutex_unlock(&priv->port_mutex); |
Maor Gottlieb | 33a1f8b | 2016-10-27 16:27:14 +0300 | [diff] [blame] | 1158 | err_sup: |
Jiri Pirko | b2facd9 | 2016-02-26 17:32:25 +0100 | [diff] [blame] | 1159 | return err; |
| 1160 | } |
| 1161 | |
| 1162 | static ssize_t set_port_type(struct device *dev, |
| 1163 | struct device_attribute *attr, |
| 1164 | const char *buf, size_t count) |
| 1165 | { |
| 1166 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1167 | port_attr); |
| 1168 | struct mlx4_dev *mdev = info->dev; |
| 1169 | enum mlx4_port_type port_type; |
| 1170 | static DEFINE_MUTEX(set_port_type_mutex); |
| 1171 | int err; |
| 1172 | |
| 1173 | mutex_lock(&set_port_type_mutex); |
| 1174 | |
| 1175 | if (!strcmp(buf, "ib\n")) { |
| 1176 | port_type = MLX4_PORT_TYPE_IB; |
| 1177 | } else if (!strcmp(buf, "eth\n")) { |
| 1178 | port_type = MLX4_PORT_TYPE_ETH; |
| 1179 | } else if (!strcmp(buf, "auto\n")) { |
| 1180 | port_type = MLX4_PORT_TYPE_AUTO; |
| 1181 | } else { |
| 1182 | mlx4_err(mdev, "%s is not supported port type\n", buf); |
| 1183 | err = -EINVAL; |
| 1184 | goto err_out; |
| 1185 | } |
| 1186 | |
| 1187 | err = __set_port_type(info, port_type); |
| 1188 | |
Amir Vadai | 0a98455 | 2014-11-02 16:26:14 +0200 | [diff] [blame] | 1189 | err_out: |
| 1190 | mutex_unlock(&set_port_type_mutex); |
| 1191 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 1192 | return err ? err : count; |
| 1193 | } |
| 1194 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1195 | enum ibta_mtu { |
| 1196 | IB_MTU_256 = 1, |
| 1197 | IB_MTU_512 = 2, |
| 1198 | IB_MTU_1024 = 3, |
| 1199 | IB_MTU_2048 = 4, |
| 1200 | IB_MTU_4096 = 5 |
| 1201 | }; |
| 1202 | |
| 1203 | static inline int int_to_ibta_mtu(int mtu) |
| 1204 | { |
| 1205 | switch (mtu) { |
| 1206 | case 256: return IB_MTU_256; |
| 1207 | case 512: return IB_MTU_512; |
| 1208 | case 1024: return IB_MTU_1024; |
| 1209 | case 2048: return IB_MTU_2048; |
| 1210 | case 4096: return IB_MTU_4096; |
| 1211 | default: return -1; |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) |
| 1216 | { |
| 1217 | switch (mtu) { |
| 1218 | case IB_MTU_256: return 256; |
| 1219 | case IB_MTU_512: return 512; |
| 1220 | case IB_MTU_1024: return 1024; |
| 1221 | case IB_MTU_2048: return 2048; |
| 1222 | case IB_MTU_4096: return 4096; |
| 1223 | default: return -1; |
| 1224 | } |
| 1225 | } |
| 1226 | |
| 1227 | static ssize_t show_port_ib_mtu(struct device *dev, |
| 1228 | struct device_attribute *attr, |
| 1229 | char *buf) |
| 1230 | { |
| 1231 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1232 | port_mtu_attr); |
| 1233 | struct mlx4_dev *mdev = info->dev; |
| 1234 | |
| 1235 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) |
| 1236 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); |
| 1237 | |
| 1238 | sprintf(buf, "%d\n", |
| 1239 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); |
| 1240 | return strlen(buf); |
| 1241 | } |
| 1242 | |
| 1243 | static ssize_t set_port_ib_mtu(struct device *dev, |
| 1244 | struct device_attribute *attr, |
| 1245 | const char *buf, size_t count) |
| 1246 | { |
| 1247 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, |
| 1248 | port_mtu_attr); |
| 1249 | struct mlx4_dev *mdev = info->dev; |
| 1250 | struct mlx4_priv *priv = mlx4_priv(mdev); |
| 1251 | int err, port, mtu, ibta_mtu = -1; |
| 1252 | |
| 1253 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { |
| 1254 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); |
| 1255 | return -EINVAL; |
| 1256 | } |
| 1257 | |
Dotan Barak | 618fad9 | 2013-06-25 12:09:36 +0300 | [diff] [blame] | 1258 | err = kstrtoint(buf, 0, &mtu); |
| 1259 | if (!err) |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1260 | ibta_mtu = int_to_ibta_mtu(mtu); |
| 1261 | |
Dotan Barak | 618fad9 | 2013-06-25 12:09:36 +0300 | [diff] [blame] | 1262 | if (err || ibta_mtu < 0) { |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1263 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
| 1264 | return -EINVAL; |
| 1265 | } |
| 1266 | |
| 1267 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; |
| 1268 | |
| 1269 | mlx4_stop_sense(mdev); |
| 1270 | mutex_lock(&priv->port_mutex); |
| 1271 | mlx4_unregister_device(mdev); |
| 1272 | for (port = 1; port <= mdev->caps.num_ports; port++) { |
| 1273 | mlx4_CLOSE_PORT(mdev, port); |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 1274 | err = mlx4_SET_PORT(mdev, port, -1); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1275 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1276 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
| 1277 | port); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 1278 | goto err_set_port; |
| 1279 | } |
| 1280 | } |
| 1281 | err = mlx4_register_device(mdev); |
| 1282 | err_set_port: |
| 1283 | mutex_unlock(&priv->port_mutex); |
| 1284 | mlx4_start_sense(mdev); |
| 1285 | return err ? err : count; |
| 1286 | } |
| 1287 | |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1288 | /* bond for multi-function device */ |
| 1289 | #define MAX_MF_BOND_ALLOWED_SLAVES 63 |
| 1290 | static int mlx4_mf_bond(struct mlx4_dev *dev) |
| 1291 | { |
| 1292 | int err = 0; |
Moni Shoua | 00ada91 | 2016-03-02 17:47:45 +0200 | [diff] [blame] | 1293 | int nvfs; |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1294 | struct mlx4_slaves_pport slaves_port1; |
| 1295 | struct mlx4_slaves_pport slaves_port2; |
| 1296 | DECLARE_BITMAP(slaves_port_1_2, MLX4_MFUNC_MAX); |
| 1297 | |
| 1298 | slaves_port1 = mlx4_phys_to_slaves_pport(dev, 1); |
| 1299 | slaves_port2 = mlx4_phys_to_slaves_pport(dev, 2); |
| 1300 | bitmap_and(slaves_port_1_2, |
| 1301 | slaves_port1.slaves, slaves_port2.slaves, |
| 1302 | dev->persist->num_vfs + 1); |
| 1303 | |
| 1304 | /* only single port vfs are allowed */ |
| 1305 | if (bitmap_weight(slaves_port_1_2, dev->persist->num_vfs + 1) > 1) { |
| 1306 | mlx4_warn(dev, "HA mode unsupported for dual ported VFs\n"); |
| 1307 | return -EINVAL; |
| 1308 | } |
| 1309 | |
Moni Shoua | 00ada91 | 2016-03-02 17:47:45 +0200 | [diff] [blame] | 1310 | /* number of virtual functions is number of total functions minus one |
| 1311 | * physical function for each port. |
| 1312 | */ |
| 1313 | nvfs = bitmap_weight(slaves_port1.slaves, dev->persist->num_vfs + 1) + |
| 1314 | bitmap_weight(slaves_port2.slaves, dev->persist->num_vfs + 1) - 2; |
| 1315 | |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1316 | /* limit on maximum allowed VFs */ |
Moni Shoua | 00ada91 | 2016-03-02 17:47:45 +0200 | [diff] [blame] | 1317 | if (nvfs > MAX_MF_BOND_ALLOWED_SLAVES) { |
| 1318 | mlx4_warn(dev, "HA mode is not supported for %d VFs (max %d are allowed)\n", |
| 1319 | nvfs, MAX_MF_BOND_ALLOWED_SLAVES); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1320 | return -EINVAL; |
Moni Shoua | 00ada91 | 2016-03-02 17:47:45 +0200 | [diff] [blame] | 1321 | } |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1322 | |
| 1323 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 1324 | mlx4_warn(dev, "HA mode unsupported for NON DMFS steering\n"); |
| 1325 | return -EINVAL; |
| 1326 | } |
| 1327 | |
| 1328 | err = mlx4_bond_mac_table(dev); |
| 1329 | if (err) |
| 1330 | return err; |
| 1331 | err = mlx4_bond_vlan_table(dev); |
| 1332 | if (err) |
| 1333 | goto err1; |
| 1334 | err = mlx4_bond_fs_rules(dev); |
| 1335 | if (err) |
| 1336 | goto err2; |
| 1337 | |
| 1338 | return 0; |
| 1339 | err2: |
| 1340 | (void)mlx4_unbond_vlan_table(dev); |
| 1341 | err1: |
| 1342 | (void)mlx4_unbond_mac_table(dev); |
| 1343 | return err; |
| 1344 | } |
| 1345 | |
| 1346 | static int mlx4_mf_unbond(struct mlx4_dev *dev) |
| 1347 | { |
| 1348 | int ret, ret1; |
| 1349 | |
| 1350 | ret = mlx4_unbond_fs_rules(dev); |
| 1351 | if (ret) |
| 1352 | mlx4_warn(dev, "multifunction unbond for flow rules failedi (%d)\n", ret); |
| 1353 | ret1 = mlx4_unbond_mac_table(dev); |
| 1354 | if (ret1) { |
| 1355 | mlx4_warn(dev, "multifunction unbond for MAC table failed (%d)\n", ret1); |
| 1356 | ret = ret1; |
| 1357 | } |
| 1358 | ret1 = mlx4_unbond_vlan_table(dev); |
| 1359 | if (ret1) { |
| 1360 | mlx4_warn(dev, "multifunction unbond for VLAN table failed (%d)\n", ret1); |
| 1361 | ret = ret1; |
| 1362 | } |
| 1363 | return ret; |
| 1364 | } |
| 1365 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1366 | int mlx4_bond(struct mlx4_dev *dev) |
| 1367 | { |
| 1368 | int ret = 0; |
| 1369 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1370 | |
| 1371 | mutex_lock(&priv->bond_mutex); |
| 1372 | |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1373 | if (!mlx4_is_bonded(dev)) { |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1374 | ret = mlx4_do_bond(dev, true); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1375 | if (ret) |
| 1376 | mlx4_err(dev, "Failed to bond device: %d\n", ret); |
| 1377 | if (!ret && mlx4_is_master(dev)) { |
| 1378 | ret = mlx4_mf_bond(dev); |
| 1379 | if (ret) { |
| 1380 | mlx4_err(dev, "bond for multifunction failed\n"); |
| 1381 | mlx4_do_bond(dev, false); |
| 1382 | } |
| 1383 | } |
| 1384 | } |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1385 | |
| 1386 | mutex_unlock(&priv->bond_mutex); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1387 | if (!ret) |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1388 | mlx4_dbg(dev, "Device is bonded\n"); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1389 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1390 | return ret; |
| 1391 | } |
| 1392 | EXPORT_SYMBOL_GPL(mlx4_bond); |
| 1393 | |
| 1394 | int mlx4_unbond(struct mlx4_dev *dev) |
| 1395 | { |
| 1396 | int ret = 0; |
| 1397 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1398 | |
| 1399 | mutex_lock(&priv->bond_mutex); |
| 1400 | |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1401 | if (mlx4_is_bonded(dev)) { |
| 1402 | int ret2 = 0; |
| 1403 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1404 | ret = mlx4_do_bond(dev, false); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1405 | if (ret) |
| 1406 | mlx4_err(dev, "Failed to unbond device: %d\n", ret); |
| 1407 | if (mlx4_is_master(dev)) |
| 1408 | ret2 = mlx4_mf_unbond(dev); |
| 1409 | if (ret2) { |
| 1410 | mlx4_warn(dev, "Failed to unbond device for multifunction (%d)\n", ret2); |
| 1411 | ret = ret2; |
| 1412 | } |
| 1413 | } |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1414 | |
| 1415 | mutex_unlock(&priv->bond_mutex); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1416 | if (!ret) |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1417 | mlx4_dbg(dev, "Device is unbonded\n"); |
Moni Shoua | e57968a | 2015-12-06 18:07:43 +0200 | [diff] [blame] | 1418 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 1419 | return ret; |
| 1420 | } |
| 1421 | EXPORT_SYMBOL_GPL(mlx4_unbond); |
| 1422 | |
| 1423 | |
| 1424 | int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) |
| 1425 | { |
| 1426 | u8 port1 = v2p->port1; |
| 1427 | u8 port2 = v2p->port2; |
| 1428 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1429 | int err; |
| 1430 | |
| 1431 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)) |
| 1432 | return -ENOTSUPP; |
| 1433 | |
| 1434 | mutex_lock(&priv->bond_mutex); |
| 1435 | |
| 1436 | /* zero means keep current mapping for this port */ |
| 1437 | if (port1 == 0) |
| 1438 | port1 = priv->v2p.port1; |
| 1439 | if (port2 == 0) |
| 1440 | port2 = priv->v2p.port2; |
| 1441 | |
| 1442 | if ((port1 < 1) || (port1 > MLX4_MAX_PORTS) || |
| 1443 | (port2 < 1) || (port2 > MLX4_MAX_PORTS) || |
| 1444 | (port1 == 2 && port2 == 1)) { |
| 1445 | /* besides boundary checks cross mapping makes |
| 1446 | * no sense and therefore not allowed */ |
| 1447 | err = -EINVAL; |
| 1448 | } else if ((port1 == priv->v2p.port1) && |
| 1449 | (port2 == priv->v2p.port2)) { |
| 1450 | err = 0; |
| 1451 | } else { |
| 1452 | err = mlx4_virt2phy_port_map(dev, port1, port2); |
| 1453 | if (!err) { |
| 1454 | mlx4_dbg(dev, "port map changed: [%d][%d]\n", |
| 1455 | port1, port2); |
| 1456 | priv->v2p.port1 = port1; |
| 1457 | priv->v2p.port2 = port2; |
| 1458 | } else { |
| 1459 | mlx4_err(dev, "Failed to change port mape: %d\n", err); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | mutex_unlock(&priv->bond_mutex); |
| 1464 | return err; |
| 1465 | } |
| 1466 | EXPORT_SYMBOL_GPL(mlx4_port_map_set); |
| 1467 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 1468 | static int mlx4_load_fw(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1469 | { |
| 1470 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1471 | int err; |
| 1472 | |
| 1473 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1474 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1475 | if (!priv->fw.fw_icm) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1476 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1477 | return -ENOMEM; |
| 1478 | } |
| 1479 | |
| 1480 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); |
| 1481 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1482 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1483 | goto err_free; |
| 1484 | } |
| 1485 | |
| 1486 | err = mlx4_RUN_FW(dev); |
| 1487 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1488 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1489 | goto err_unmap_fa; |
| 1490 | } |
| 1491 | |
| 1492 | return 0; |
| 1493 | |
| 1494 | err_unmap_fa: |
| 1495 | mlx4_UNMAP_FA(dev); |
| 1496 | |
| 1497 | err_free: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1498 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1499 | return err; |
| 1500 | } |
| 1501 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 1502 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
| 1503 | int cmpt_entry_sz) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1504 | { |
| 1505 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1506 | int err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1507 | int num_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1508 | |
| 1509 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, |
| 1510 | cmpt_base + |
| 1511 | ((u64) (MLX4_CMPT_TYPE_QP * |
| 1512 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1513 | cmpt_entry_sz, dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1514 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1515 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1516 | if (err) |
| 1517 | goto err; |
| 1518 | |
| 1519 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, |
| 1520 | cmpt_base + |
| 1521 | ((u64) (MLX4_CMPT_TYPE_SRQ * |
| 1522 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1523 | cmpt_entry_sz, dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1524 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1525 | if (err) |
| 1526 | goto err_qp; |
| 1527 | |
| 1528 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, |
| 1529 | cmpt_base + |
| 1530 | ((u64) (MLX4_CMPT_TYPE_CQ * |
| 1531 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 1532 | cmpt_entry_sz, dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1533 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1534 | if (err) |
| 1535 | goto err_srq; |
| 1536 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 1537 | num_eqs = dev->phys_caps.num_phys_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1538 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
| 1539 | cmpt_base + |
| 1540 | ((u64) (MLX4_CMPT_TYPE_EQ * |
| 1541 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1542 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1543 | if (err) |
| 1544 | goto err_cq; |
| 1545 | |
| 1546 | return 0; |
| 1547 | |
| 1548 | err_cq: |
| 1549 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1550 | |
| 1551 | err_srq: |
| 1552 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1553 | |
| 1554 | err_qp: |
| 1555 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 1556 | |
| 1557 | err: |
| 1558 | return err; |
| 1559 | } |
| 1560 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 1561 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
| 1562 | struct mlx4_init_hca_param *init_hca, u64 icm_size) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1563 | { |
| 1564 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1565 | u64 aux_pages; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1566 | int num_eqs; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1567 | int err; |
| 1568 | |
| 1569 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); |
| 1570 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1571 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1572 | return err; |
| 1573 | } |
| 1574 | |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1575 | 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] | 1576 | (unsigned long long) icm_size >> 10, |
| 1577 | (unsigned long long) aux_pages << 2); |
| 1578 | |
| 1579 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1580 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1581 | if (!priv->fw.aux_icm) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1582 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1583 | return -ENOMEM; |
| 1584 | } |
| 1585 | |
| 1586 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); |
| 1587 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1588 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1589 | goto err_free_aux; |
| 1590 | } |
| 1591 | |
| 1592 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); |
| 1593 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1594 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1595 | goto err_unmap_aux; |
| 1596 | } |
| 1597 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1598 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 1599 | num_eqs = dev->phys_caps.num_phys_eqs; |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1600 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
| 1601 | init_hca->eqc_base, dev_cap->eqc_entry_sz, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1602 | num_eqs, num_eqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1603 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1604 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1605 | goto err_unmap_cmpt; |
| 1606 | } |
| 1607 | |
Jack Morgenstein | d7bb58f | 2007-08-01 12:28:53 +0300 | [diff] [blame] | 1608 | /* |
| 1609 | * Reserved MTT entries must be aligned up to a cacheline |
| 1610 | * boundary, since the FW will write to them, while the driver |
| 1611 | * writes to all other MTT entries. (The variable |
| 1612 | * dev->caps.mtt_entry_sz below is really the MTT segment |
| 1613 | * size, not the raw entry size) |
| 1614 | */ |
| 1615 | dev->caps.reserved_mtts = |
| 1616 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, |
| 1617 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; |
| 1618 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1619 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
| 1620 | init_hca->mtt_base, |
| 1621 | dev->caps.mtt_entry_sz, |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 1622 | dev->caps.num_mtts, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1623 | dev->caps.reserved_mtts, 1, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1624 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1625 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1626 | goto err_unmap_eq; |
| 1627 | } |
| 1628 | |
| 1629 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, |
| 1630 | init_hca->dmpt_base, |
| 1631 | dev_cap->dmpt_entry_sz, |
| 1632 | dev->caps.num_mpts, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1633 | dev->caps.reserved_mrws, 1, 1); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1634 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1635 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1636 | goto err_unmap_mtt; |
| 1637 | } |
| 1638 | |
| 1639 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, |
| 1640 | init_hca->qpc_base, |
| 1641 | dev_cap->qpc_entry_sz, |
| 1642 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1643 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1644 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1645 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1646 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1647 | goto err_unmap_dmpt; |
| 1648 | } |
| 1649 | |
| 1650 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, |
| 1651 | init_hca->auxc_base, |
| 1652 | dev_cap->aux_entry_sz, |
| 1653 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1654 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1655 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1656 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1657 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1658 | goto err_unmap_qp; |
| 1659 | } |
| 1660 | |
| 1661 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, |
| 1662 | init_hca->altc_base, |
| 1663 | dev_cap->altc_entry_sz, |
| 1664 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1665 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1666 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1667 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1668 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1669 | goto err_unmap_auxc; |
| 1670 | } |
| 1671 | |
| 1672 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, |
| 1673 | init_hca->rdmarc_base, |
| 1674 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, |
| 1675 | dev->caps.num_qps, |
Yevgeny Petrilin | 93fc9e1 | 2008-10-22 10:25:29 -0700 | [diff] [blame] | 1676 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
| 1677 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1678 | if (err) { |
| 1679 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); |
| 1680 | goto err_unmap_altc; |
| 1681 | } |
| 1682 | |
| 1683 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, |
| 1684 | init_hca->cqc_base, |
| 1685 | dev_cap->cqc_entry_sz, |
| 1686 | dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1687 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1688 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1689 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1690 | goto err_unmap_rdmarc; |
| 1691 | } |
| 1692 | |
| 1693 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, |
| 1694 | init_hca->srqc_base, |
| 1695 | dev_cap->srq_entry_sz, |
| 1696 | dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1697 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1698 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1699 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1700 | goto err_unmap_cq; |
| 1701 | } |
| 1702 | |
| 1703 | /* |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 1704 | * For flow steering device managed mode it is required to use |
| 1705 | * mlx4_init_icm_table. For B0 steering mode it's not strictly |
| 1706 | * required, but for simplicity just map the whole multicast |
| 1707 | * group table now. The table isn't very big and it's a lot |
| 1708 | * easier than trying to track ref counts. |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1709 | */ |
| 1710 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, |
Eugenia Emantayev | 0ec2c0f | 2011-12-13 04:16:02 +0000 | [diff] [blame] | 1711 | init_hca->mc_base, |
| 1712 | mlx4_get_mgm_entry_size(dev), |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1713 | dev->caps.num_mgms + dev->caps.num_amgms, |
| 1714 | dev->caps.num_mgms + dev->caps.num_amgms, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1715 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1716 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1717 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1718 | goto err_unmap_srq; |
| 1719 | } |
| 1720 | |
| 1721 | return 0; |
| 1722 | |
| 1723 | err_unmap_srq: |
| 1724 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 1725 | |
| 1726 | err_unmap_cq: |
| 1727 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 1728 | |
| 1729 | err_unmap_rdmarc: |
| 1730 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 1731 | |
| 1732 | err_unmap_altc: |
| 1733 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 1734 | |
| 1735 | err_unmap_auxc: |
| 1736 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 1737 | |
| 1738 | err_unmap_qp: |
| 1739 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 1740 | |
| 1741 | err_unmap_dmpt: |
| 1742 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 1743 | |
| 1744 | err_unmap_mtt: |
| 1745 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
| 1746 | |
| 1747 | err_unmap_eq: |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1748 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1749 | |
| 1750 | err_unmap_cmpt: |
| 1751 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 1752 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1753 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1754 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 1755 | |
| 1756 | err_unmap_aux: |
| 1757 | mlx4_UNMAP_ICM_AUX(dev); |
| 1758 | |
| 1759 | err_free_aux: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1760 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1761 | |
| 1762 | return err; |
| 1763 | } |
| 1764 | |
| 1765 | static void mlx4_free_icms(struct mlx4_dev *dev) |
| 1766 | { |
| 1767 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1768 | |
| 1769 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); |
| 1770 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 1771 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 1772 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 1773 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 1774 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 1775 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 1776 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 1777 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
Roland Dreier | fa0681d | 2009-09-05 20:24:49 -0700 | [diff] [blame] | 1778 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1779 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 1780 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 1781 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 1782 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1783 | |
| 1784 | mlx4_UNMAP_ICM_AUX(dev); |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 1785 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1786 | } |
| 1787 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1788 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
| 1789 | { |
| 1790 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1791 | |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1792 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1793 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, |
| 1794 | MLX4_COMM_TIME)) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1795 | mlx4_warn(dev, "Failed to close slave function\n"); |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1796 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1797 | } |
| 1798 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1799 | static int map_bf_area(struct mlx4_dev *dev) |
| 1800 | { |
| 1801 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1802 | resource_size_t bf_start; |
| 1803 | resource_size_t bf_len; |
| 1804 | int err = 0; |
| 1805 | |
Jack Morgenstein | 3d74747 | 2012-02-19 21:38:52 +0000 | [diff] [blame] | 1806 | if (!dev->caps.bf_reg_size) |
| 1807 | return -ENXIO; |
| 1808 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1809 | bf_start = pci_resource_start(dev->persist->pdev, 2) + |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1810 | (dev->caps.num_uars << PAGE_SHIFT); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1811 | bf_len = pci_resource_len(dev->persist->pdev, 2) - |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1812 | (dev->caps.num_uars << PAGE_SHIFT); |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1813 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
| 1814 | if (!priv->bf_mapping) |
| 1815 | err = -ENOMEM; |
| 1816 | |
| 1817 | return err; |
| 1818 | } |
| 1819 | |
| 1820 | static void unmap_bf_area(struct mlx4_dev *dev) |
| 1821 | { |
| 1822 | if (mlx4_priv(dev)->bf_mapping) |
| 1823 | io_mapping_free(mlx4_priv(dev)->bf_mapping); |
| 1824 | } |
| 1825 | |
Amir Vadai | ec693d4 | 2013-04-23 06:06:49 +0000 | [diff] [blame] | 1826 | cycle_t mlx4_read_clock(struct mlx4_dev *dev) |
| 1827 | { |
| 1828 | u32 clockhi, clocklo, clockhi1; |
| 1829 | cycle_t cycles; |
| 1830 | int i; |
| 1831 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1832 | |
| 1833 | for (i = 0; i < 10; i++) { |
| 1834 | clockhi = swab32(readl(priv->clock_mapping)); |
| 1835 | clocklo = swab32(readl(priv->clock_mapping + 4)); |
| 1836 | clockhi1 = swab32(readl(priv->clock_mapping)); |
| 1837 | if (clockhi == clockhi1) |
| 1838 | break; |
| 1839 | } |
| 1840 | |
| 1841 | cycles = (u64) clockhi << 32 | (u64) clocklo; |
| 1842 | |
| 1843 | return cycles; |
| 1844 | } |
| 1845 | EXPORT_SYMBOL_GPL(mlx4_read_clock); |
| 1846 | |
| 1847 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1848 | static int map_internal_clock(struct mlx4_dev *dev) |
| 1849 | { |
| 1850 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1851 | |
| 1852 | priv->clock_mapping = |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 1853 | ioremap(pci_resource_start(dev->persist->pdev, |
| 1854 | priv->fw.clock_bar) + |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1855 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); |
| 1856 | |
| 1857 | if (!priv->clock_mapping) |
| 1858 | return -ENOMEM; |
| 1859 | |
| 1860 | return 0; |
| 1861 | } |
| 1862 | |
Matan Barak | 52033cf | 2015-06-11 16:35:26 +0300 | [diff] [blame] | 1863 | int mlx4_get_internal_clock_params(struct mlx4_dev *dev, |
| 1864 | struct mlx4_clock_params *params) |
| 1865 | { |
| 1866 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1867 | |
| 1868 | if (mlx4_is_slave(dev)) |
| 1869 | return -ENOTSUPP; |
| 1870 | |
| 1871 | if (!params) |
| 1872 | return -EINVAL; |
| 1873 | |
| 1874 | params->bar = priv->fw.clock_bar; |
| 1875 | params->offset = priv->fw.clock_offset; |
| 1876 | params->size = MLX4_CLOCK_SIZE; |
| 1877 | |
| 1878 | return 0; |
| 1879 | } |
| 1880 | EXPORT_SYMBOL_GPL(mlx4_get_internal_clock_params); |
| 1881 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1882 | static void unmap_internal_clock(struct mlx4_dev *dev) |
| 1883 | { |
| 1884 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1885 | |
| 1886 | if (priv->clock_mapping) |
| 1887 | iounmap(priv->clock_mapping); |
| 1888 | } |
| 1889 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1890 | static void mlx4_close_hca(struct mlx4_dev *dev) |
| 1891 | { |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 1892 | unmap_internal_clock(dev); |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 1893 | unmap_bf_area(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1894 | if (mlx4_is_slave(dev)) |
| 1895 | mlx4_slave_exit(dev); |
| 1896 | else { |
| 1897 | mlx4_CLOSE_HCA(dev, 0); |
| 1898 | mlx4_free_icms(dev); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 1899 | } |
| 1900 | } |
| 1901 | |
| 1902 | static void mlx4_close_fw(struct mlx4_dev *dev) |
| 1903 | { |
| 1904 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1905 | mlx4_UNMAP_FA(dev); |
| 1906 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
| 1907 | } |
| 1908 | } |
| 1909 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 1910 | static int mlx4_comm_check_offline(struct mlx4_dev *dev) |
| 1911 | { |
| 1912 | #define COMM_CHAN_OFFLINE_OFFSET 0x09 |
| 1913 | |
| 1914 | u32 comm_flags; |
| 1915 | u32 offline_bit; |
| 1916 | unsigned long end; |
| 1917 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1918 | |
| 1919 | end = msecs_to_jiffies(MLX4_COMM_OFFLINE_TIME_OUT) + jiffies; |
| 1920 | while (time_before(jiffies, end)) { |
| 1921 | comm_flags = swab32(readl((__iomem char *)priv->mfunc.comm + |
| 1922 | MLX4_COMM_CHAN_FLAGS)); |
| 1923 | offline_bit = (comm_flags & |
| 1924 | (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); |
| 1925 | if (!offline_bit) |
| 1926 | return 0; |
| 1927 | /* There are cases as part of AER/Reset flow that PF needs |
| 1928 | * around 100 msec to load. We therefore sleep for 100 msec |
| 1929 | * to allow other tasks to make use of that CPU during this |
| 1930 | * time interval. |
| 1931 | */ |
| 1932 | msleep(100); |
| 1933 | } |
| 1934 | mlx4_err(dev, "Communication channel is offline.\n"); |
| 1935 | return -EIO; |
| 1936 | } |
| 1937 | |
| 1938 | static void mlx4_reset_vf_support(struct mlx4_dev *dev) |
| 1939 | { |
| 1940 | #define COMM_CHAN_RST_OFFSET 0x1e |
| 1941 | |
| 1942 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1943 | u32 comm_rst; |
| 1944 | u32 comm_caps; |
| 1945 | |
| 1946 | comm_caps = swab32(readl((__iomem char *)priv->mfunc.comm + |
| 1947 | MLX4_COMM_CHAN_CAPS)); |
| 1948 | comm_rst = (comm_caps & (u32)(1 << COMM_CHAN_RST_OFFSET)); |
| 1949 | |
| 1950 | if (comm_rst) |
| 1951 | dev->caps.vf_caps |= MLX4_VF_CAP_FLAG_RESET; |
| 1952 | } |
| 1953 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1954 | static int mlx4_init_slave(struct mlx4_dev *dev) |
| 1955 | { |
| 1956 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1957 | u64 dma = (u64) priv->mfunc.vhcr_dma; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1958 | int ret_from_reset = 0; |
| 1959 | u32 slave_read; |
| 1960 | u32 cmd_channel_ver; |
| 1961 | |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 1962 | if (atomic_read(&pf_loading)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1963 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
Amir Vadai | 9798935 | 2014-03-06 18:28:17 +0200 | [diff] [blame] | 1964 | return -EPROBE_DEFER; |
| 1965 | } |
| 1966 | |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 1967 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1968 | priv->cmd.max_cmds = 1; |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 1969 | if (mlx4_comm_check_offline(dev)) { |
| 1970 | mlx4_err(dev, "PF is not responsive, skipping initialization\n"); |
| 1971 | goto err_offline; |
| 1972 | } |
| 1973 | |
| 1974 | mlx4_reset_vf_support(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1975 | mlx4_warn(dev, "Sending reset\n"); |
| 1976 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 1977 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1978 | /* if we are in the middle of flr the slave will try |
| 1979 | * NUM_OF_RESET_RETRIES times before leaving.*/ |
| 1980 | if (ret_from_reset) { |
| 1981 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1982 | 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] | 1983 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
| 1984 | return -EPROBE_DEFER; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 1985 | } else |
| 1986 | goto err; |
| 1987 | } |
| 1988 | |
| 1989 | /* check the driver version - the slave I/F revision |
| 1990 | * must match the master's */ |
| 1991 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); |
| 1992 | cmd_channel_ver = mlx4_comm_get_version(); |
| 1993 | |
| 1994 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != |
| 1995 | MLX4_COMM_GET_IF_REV(slave_read)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 1996 | 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] | 1997 | goto err; |
| 1998 | } |
| 1999 | |
| 2000 | mlx4_warn(dev, "Sending vhcr0\n"); |
| 2001 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 2002 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2003 | goto err; |
| 2004 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 2005 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2006 | goto err; |
| 2007 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 2008 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2009 | goto err; |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 2010 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, |
| 2011 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2012 | goto err; |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 2013 | |
| 2014 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2015 | return 0; |
| 2016 | |
| 2017 | err: |
Yishai Hadas | 0cd9302 | 2015-01-25 16:59:43 +0200 | [diff] [blame] | 2018 | 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] | 2019 | err_offline: |
Roland Dreier | f3d4c89 | 2012-09-25 21:24:07 -0700 | [diff] [blame] | 2020 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2021 | return -EIO; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2022 | } |
| 2023 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2024 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
| 2025 | { |
| 2026 | int i; |
| 2027 | |
| 2028 | for (i = 1; i <= dev->caps.num_ports; i++) { |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2029 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
| 2030 | dev->caps.gid_table_len[i] = |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 2031 | mlx4_get_slave_num_gids(dev, 0, i); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2032 | else |
| 2033 | dev->caps.gid_table_len[i] = 1; |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2034 | dev->caps.pkey_table_len[i] = |
| 2035 | dev->phys_caps.pkey_phys_table_len[i] - 1; |
| 2036 | } |
| 2037 | } |
| 2038 | |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 2039 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
| 2040 | { |
| 2041 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; |
| 2042 | |
| 2043 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; |
| 2044 | i++) { |
| 2045 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) |
| 2046 | break; |
| 2047 | } |
| 2048 | |
| 2049 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; |
| 2050 | } |
| 2051 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2052 | static const char *dmfs_high_rate_steering_mode_str(int dmfs_high_steer_mode) |
| 2053 | { |
| 2054 | switch (dmfs_high_steer_mode) { |
| 2055 | case MLX4_STEERING_DMFS_A0_DEFAULT: |
| 2056 | return "default performance"; |
| 2057 | |
| 2058 | case MLX4_STEERING_DMFS_A0_DYNAMIC: |
| 2059 | return "dynamic hybrid mode"; |
| 2060 | |
| 2061 | case MLX4_STEERING_DMFS_A0_STATIC: |
| 2062 | return "performance optimized for limited rule configuration (static)"; |
| 2063 | |
| 2064 | case MLX4_STEERING_DMFS_A0_DISABLE: |
| 2065 | return "disabled performance optimized steering"; |
| 2066 | |
| 2067 | case MLX4_STEERING_DMFS_A0_NOT_SUPPORTED: |
| 2068 | return "performance optimized steering not supported"; |
| 2069 | |
| 2070 | default: |
| 2071 | return "Unrecognized mode"; |
| 2072 | } |
| 2073 | } |
| 2074 | |
| 2075 | #define MLX4_DMFS_A0_STEERING (1UL << 2) |
| 2076 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2077 | static void choose_steering_mode(struct mlx4_dev *dev, |
| 2078 | struct mlx4_dev_cap *dev_cap) |
| 2079 | { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2080 | if (mlx4_log_num_mgm_entry_size <= 0) { |
| 2081 | if ((-mlx4_log_num_mgm_entry_size) & MLX4_DMFS_A0_STEERING) { |
| 2082 | if (dev->caps.dmfs_high_steer_mode == |
| 2083 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 2084 | mlx4_err(dev, "DMFS high rate mode not supported\n"); |
| 2085 | else |
| 2086 | dev->caps.dmfs_high_steer_mode = |
| 2087 | MLX4_STEERING_DMFS_A0_STATIC; |
| 2088 | } |
| 2089 | } |
| 2090 | |
| 2091 | if (mlx4_log_num_mgm_entry_size <= 0 && |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 2092 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2093 | (!mlx4_is_mfunc(dev) || |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2094 | (dev_cap->fs_max_num_qp_per_entry >= |
| 2095 | (dev->persist->num_vfs + 1))) && |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 2096 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
| 2097 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { |
| 2098 | dev->oper_log_mgm_entry_size = |
| 2099 | 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] | 2100 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
| 2101 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; |
| 2102 | dev->caps.fs_log_max_ucast_qp_range_size = |
| 2103 | dev_cap->fs_log_max_ucast_qp_range_size; |
| 2104 | } else { |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2105 | if (dev->caps.dmfs_high_steer_mode != |
| 2106 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 2107 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DISABLE; |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2108 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
| 2109 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) |
| 2110 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; |
| 2111 | else { |
| 2112 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; |
| 2113 | |
| 2114 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || |
| 2115 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2116 | 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] | 2117 | } |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 2118 | dev->oper_log_mgm_entry_size = |
| 2119 | mlx4_log_num_mgm_entry_size > 0 ? |
| 2120 | mlx4_log_num_mgm_entry_size : |
| 2121 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2122 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
| 2123 | } |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2124 | 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] | 2125 | mlx4_steering_mode_str(dev->caps.steering_mode), |
| 2126 | dev->oper_log_mgm_entry_size, |
| 2127 | mlx4_log_num_mgm_entry_size); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2128 | } |
| 2129 | |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 2130 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
| 2131 | struct mlx4_dev_cap *dev_cap) |
| 2132 | { |
| 2133 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && |
Or Gerlitz | 5eff6da | 2015-01-15 15:28:54 +0200 | [diff] [blame] | 2134 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 2135 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; |
| 2136 | else |
| 2137 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; |
| 2138 | |
| 2139 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode |
| 2140 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); |
| 2141 | } |
| 2142 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2143 | static int mlx4_validate_optimized_steering(struct mlx4_dev *dev) |
| 2144 | { |
| 2145 | int i; |
| 2146 | struct mlx4_port_cap port_cap; |
| 2147 | |
| 2148 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) |
| 2149 | return -EINVAL; |
| 2150 | |
| 2151 | for (i = 1; i <= dev->caps.num_ports; i++) { |
| 2152 | if (mlx4_dev_port(dev, i, &port_cap)) { |
| 2153 | mlx4_err(dev, |
| 2154 | "QUERY_DEV_CAP command failed, can't veify DMFS high rate steering.\n"); |
| 2155 | } else if ((dev->caps.dmfs_high_steer_mode != |
| 2156 | MLX4_STEERING_DMFS_A0_DEFAULT) && |
| 2157 | (port_cap.dmfs_optimized_state == |
| 2158 | !!(dev->caps.dmfs_high_steer_mode == |
| 2159 | MLX4_STEERING_DMFS_A0_DISABLE))) { |
| 2160 | mlx4_err(dev, |
| 2161 | "DMFS high rate steer mode differ, driver requested %s but %s in FW.\n", |
| 2162 | dmfs_high_rate_steering_mode_str( |
| 2163 | dev->caps.dmfs_high_steer_mode), |
| 2164 | (port_cap.dmfs_optimized_state ? |
| 2165 | "enabled" : "disabled")); |
| 2166 | } |
| 2167 | } |
| 2168 | |
| 2169 | return 0; |
| 2170 | } |
| 2171 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2172 | static int mlx4_init_fw(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2173 | { |
Vladimir Sokolovsky | 2d92865 | 2008-07-14 23:48:53 -0700 | [diff] [blame] | 2174 | struct mlx4_mod_stat_cfg mlx4_cfg; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2175 | int err = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2176 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2177 | if (!mlx4_is_slave(dev)) { |
| 2178 | err = mlx4_QUERY_FW(dev); |
| 2179 | if (err) { |
| 2180 | if (err == -EACCES) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2181 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2182 | else |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2183 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2184 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2185 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2186 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2187 | err = mlx4_load_fw(dev); |
| 2188 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2189 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2190 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2191 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2192 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2193 | mlx4_cfg.log_pg_sz_m = 1; |
| 2194 | mlx4_cfg.log_pg_sz = 0; |
| 2195 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); |
| 2196 | if (err) |
| 2197 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2198 | } |
Vladimir Sokolovsky | 2d92865 | 2008-07-14 23:48:53 -0700 | [diff] [blame] | 2199 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 2200 | return err; |
| 2201 | } |
| 2202 | |
| 2203 | static int mlx4_init_hca(struct mlx4_dev *dev) |
| 2204 | { |
| 2205 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2206 | struct mlx4_adapter adapter; |
| 2207 | struct mlx4_dev_cap dev_cap; |
| 2208 | struct mlx4_profile profile; |
| 2209 | struct mlx4_init_hca_param init_hca; |
| 2210 | u64 icm_size; |
| 2211 | struct mlx4_config_dev_params params; |
| 2212 | int err; |
| 2213 | |
| 2214 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2215 | err = mlx4_dev_cap(dev, &dev_cap); |
| 2216 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2217 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2218 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2219 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2220 | |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2221 | choose_steering_mode(dev, &dev_cap); |
Or Gerlitz | 7ffdf72 | 2013-12-23 16:09:43 +0200 | [diff] [blame] | 2222 | choose_tunnel_offload_mode(dev, &dev_cap); |
Jack Morgenstein | 7b8157b | 2012-12-06 17:11:59 +0000 | [diff] [blame] | 2223 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2224 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC && |
| 2225 | mlx4_is_master(dev)) |
| 2226 | dev->caps.function_caps |= MLX4_FUNC_CAP_DMFS_A0_STATIC; |
| 2227 | |
Hadar Hen Zion | 8e1a28e | 2013-12-19 21:20:12 +0200 | [diff] [blame] | 2228 | err = mlx4_get_phys_port_id(dev); |
| 2229 | if (err) |
| 2230 | mlx4_err(dev, "Fail to get physical port id\n"); |
| 2231 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2232 | if (mlx4_is_master(dev)) |
| 2233 | mlx4_parav_master_pf_caps(dev); |
| 2234 | |
Amir Vadai | 2599d85 | 2014-07-22 15:44:11 +0300 | [diff] [blame] | 2235 | if (mlx4_low_memory_profile()) { |
| 2236 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); |
| 2237 | profile = low_mem_profile; |
| 2238 | } else { |
| 2239 | profile = default_profile; |
| 2240 | } |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 2241 | if (dev->caps.steering_mode == |
| 2242 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 2243 | profile.num_mcg = MLX4_FS_NUM_MCG; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2244 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2245 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
| 2246 | &init_hca); |
| 2247 | if ((long long) icm_size < 0) { |
| 2248 | err = icm_size; |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2249 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2250 | } |
| 2251 | |
Eli Cohen | a5bbe89 | 2012-02-09 18:10:06 +0200 | [diff] [blame] | 2252 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
| 2253 | |
Eli Cohen | 76e39cc | 2016-03-17 18:49:42 +0200 | [diff] [blame] | 2254 | if (enable_4k_uar) { |
| 2255 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars) + |
| 2256 | PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT; |
| 2257 | init_hca.uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12; |
| 2258 | } else { |
| 2259 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
| 2260 | init_hca.uar_page_sz = PAGE_SHIFT - 12; |
| 2261 | } |
Huy Nguyen | 85743f1 | 2016-02-17 17:24:26 +0200 | [diff] [blame] | 2262 | |
Shani Michaeli | e448834 | 2013-02-06 16:19:11 +0000 | [diff] [blame] | 2263 | init_hca.mw_enabled = 0; |
| 2264 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || |
| 2265 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) |
| 2266 | init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2267 | |
| 2268 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
| 2269 | if (err) |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2270 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2271 | |
| 2272 | err = mlx4_INIT_HCA(dev, &init_hca); |
| 2273 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2274 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2275 | goto err_free_icm; |
| 2276 | } |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2277 | |
| 2278 | if (dev_cap.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { |
| 2279 | err = mlx4_query_func(dev, &dev_cap); |
| 2280 | if (err < 0) { |
| 2281 | mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n"); |
Jack Morgenstein | d0d0125 | 2014-12-30 11:59:50 +0200 | [diff] [blame] | 2282 | goto err_close; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2283 | } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) { |
| 2284 | dev->caps.num_eqs = dev_cap.max_eqs; |
| 2285 | dev->caps.reserved_eqs = dev_cap.reserved_eqs; |
| 2286 | dev->caps.reserved_uars = dev_cap.reserved_uars; |
| 2287 | } |
| 2288 | } |
| 2289 | |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2290 | /* |
| 2291 | * If TS is supported by FW |
| 2292 | * read HCA frequency by QUERY_HCA command |
| 2293 | */ |
| 2294 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { |
| 2295 | memset(&init_hca, 0, sizeof(init_hca)); |
| 2296 | err = mlx4_QUERY_HCA(dev, &init_hca); |
| 2297 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2298 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2299 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
| 2300 | } else { |
| 2301 | dev->caps.hca_core_clock = |
| 2302 | init_hca.hca_core_clock; |
| 2303 | } |
| 2304 | |
| 2305 | /* In case we got HCA frequency 0 - disable timestamping |
| 2306 | * to avoid dividing by zero |
| 2307 | */ |
| 2308 | if (!dev->caps.hca_core_clock) { |
| 2309 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
| 2310 | mlx4_err(dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2311 | "HCA frequency is 0 - timestamping is not supported\n"); |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2312 | } else if (map_internal_clock(dev)) { |
| 2313 | /* |
| 2314 | * Map internal clock, |
| 2315 | * in case of failure disable timestamping |
| 2316 | */ |
| 2317 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2318 | 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] | 2319 | } |
| 2320 | } |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 2321 | |
| 2322 | if (dev->caps.dmfs_high_steer_mode != |
| 2323 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) { |
| 2324 | if (mlx4_validate_optimized_steering(dev)) |
| 2325 | mlx4_warn(dev, "Optimized steering validation failed\n"); |
| 2326 | |
| 2327 | if (dev->caps.dmfs_high_steer_mode == |
| 2328 | MLX4_STEERING_DMFS_A0_DISABLE) { |
| 2329 | dev->caps.dmfs_high_rate_qpn_base = |
| 2330 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
| 2331 | dev->caps.dmfs_high_rate_qpn_range = |
| 2332 | MLX4_A0_STEERING_TABLE_SIZE; |
| 2333 | } |
| 2334 | |
| 2335 | mlx4_dbg(dev, "DMFS high rate steer mode is: %s\n", |
| 2336 | dmfs_high_rate_steering_mode_str( |
| 2337 | dev->caps.dmfs_high_steer_mode)); |
| 2338 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2339 | } else { |
| 2340 | err = mlx4_init_slave(dev); |
| 2341 | if (err) { |
Jack Morgenstein | 5efe535 | 2013-06-04 05:13:27 +0000 | [diff] [blame] | 2342 | if (err != -EPROBE_DEFER) |
| 2343 | mlx4_err(dev, "Failed to initialize slave\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2344 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2345 | } |
| 2346 | |
| 2347 | err = mlx4_slave_cap(dev); |
| 2348 | if (err) { |
| 2349 | mlx4_err(dev, "Failed to obtain slave caps\n"); |
| 2350 | goto err_close; |
| 2351 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2352 | } |
| 2353 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 2354 | if (map_bf_area(dev)) |
| 2355 | mlx4_dbg(dev, "Failed to map blue flame area\n"); |
| 2356 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2357 | /*Only the master set the ports, all the rest got it from it.*/ |
| 2358 | if (!mlx4_is_slave(dev)) |
| 2359 | mlx4_set_port_mask(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2360 | |
| 2361 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
| 2362 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2363 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2364 | goto unmap_bf; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2365 | } |
| 2366 | |
Shani Michaeli | f8c6455 | 2014-11-09 13:51:53 +0200 | [diff] [blame] | 2367 | /* Query CONFIG_DEV parameters */ |
| 2368 | err = mlx4_config_dev_retrieval(dev, ¶ms); |
| 2369 | if (err && err != -ENOTSUPP) { |
| 2370 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); |
| 2371 | } else if (!err) { |
| 2372 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; |
| 2373 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; |
| 2374 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2375 | priv->eq_table.inta_pin = adapter.inta_pin; |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 2376 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2377 | |
| 2378 | return 0; |
| 2379 | |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2380 | unmap_bf: |
Eugenia Emantayev | ddd8a6c | 2013-04-23 06:06:48 +0000 | [diff] [blame] | 2381 | unmap_internal_clock(dev); |
Aviad Yehezkel | bef772e | 2012-09-05 22:50:51 +0000 | [diff] [blame] | 2382 | unmap_bf_area(dev); |
| 2383 | |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 2384 | if (mlx4_is_slave(dev)) { |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 2385 | kfree(dev->caps.qp0_qkey); |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 2386 | kfree(dev->caps.qp0_tunnel); |
| 2387 | kfree(dev->caps.qp0_proxy); |
| 2388 | kfree(dev->caps.qp1_tunnel); |
| 2389 | kfree(dev->caps.qp1_proxy); |
| 2390 | } |
| 2391 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2392 | err_close: |
Dotan Barak | 41929ed | 2012-10-21 14:59:23 +0000 | [diff] [blame] | 2393 | if (mlx4_is_slave(dev)) |
| 2394 | mlx4_slave_exit(dev); |
| 2395 | else |
| 2396 | mlx4_CLOSE_HCA(dev, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2397 | |
| 2398 | err_free_icm: |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2399 | if (!mlx4_is_slave(dev)) |
| 2400 | mlx4_free_icms(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2401 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2402 | return err; |
| 2403 | } |
| 2404 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2405 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
| 2406 | { |
| 2407 | struct mlx4_priv *priv = mlx4_priv(dev); |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 2408 | int nent_pow2; |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2409 | |
| 2410 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2411 | return -ENOENT; |
| 2412 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2413 | if (!dev->caps.max_counters) |
| 2414 | return -ENOSPC; |
| 2415 | |
Eran Ben Elisha | 47d8417 | 2015-06-15 17:58:58 +0300 | [diff] [blame] | 2416 | nent_pow2 = roundup_pow_of_two(dev->caps.max_counters); |
| 2417 | /* reserve last counter index for sink counter */ |
| 2418 | return mlx4_bitmap_init(&priv->counters_bitmap, nent_pow2, |
| 2419 | nent_pow2 - 1, 0, |
| 2420 | nent_pow2 - dev->caps.max_counters + 1); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2421 | } |
| 2422 | |
| 2423 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) |
| 2424 | { |
Eran Ben Elisha | efa6bc9 | 2015-06-15 17:58:56 +0300 | [diff] [blame] | 2425 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2426 | return; |
| 2427 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2428 | if (!dev->caps.max_counters) |
| 2429 | return; |
| 2430 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2431 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); |
| 2432 | } |
| 2433 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2434 | static void mlx4_cleanup_default_counters(struct mlx4_dev *dev) |
| 2435 | { |
| 2436 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2437 | int port; |
| 2438 | |
| 2439 | for (port = 0; port < dev->caps.num_ports; port++) |
| 2440 | if (priv->def_counter[port] != -1) |
| 2441 | mlx4_counter_free(dev, priv->def_counter[port]); |
| 2442 | } |
| 2443 | |
| 2444 | static int mlx4_allocate_default_counters(struct mlx4_dev *dev) |
| 2445 | { |
| 2446 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2447 | int port, err = 0; |
| 2448 | u32 idx; |
| 2449 | |
| 2450 | for (port = 0; port < dev->caps.num_ports; port++) |
| 2451 | priv->def_counter[port] = -1; |
| 2452 | |
| 2453 | for (port = 0; port < dev->caps.num_ports; port++) { |
| 2454 | err = mlx4_counter_alloc(dev, &idx); |
| 2455 | |
| 2456 | if (!err || err == -ENOSPC) { |
| 2457 | priv->def_counter[port] = idx; |
| 2458 | } else if (err == -ENOENT) { |
| 2459 | err = 0; |
| 2460 | continue; |
Or Gerlitz | 178d23e | 2015-07-22 16:53:46 +0300 | [diff] [blame] | 2461 | } else if (mlx4_is_slave(dev) && err == -EINVAL) { |
| 2462 | priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); |
| 2463 | mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", |
| 2464 | MLX4_SINK_COUNTER_INDEX(dev)); |
| 2465 | err = 0; |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2466 | } else { |
| 2467 | mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", |
| 2468 | __func__, port + 1, err); |
| 2469 | mlx4_cleanup_default_counters(dev); |
| 2470 | return err; |
| 2471 | } |
| 2472 | |
| 2473 | mlx4_dbg(dev, "%s: default counter index %d for port %d\n", |
| 2474 | __func__, priv->def_counter[port], port + 1); |
| 2475 | } |
| 2476 | |
| 2477 | return err; |
| 2478 | } |
| 2479 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2480 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2481 | { |
| 2482 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2483 | |
| 2484 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2485 | return -ENOENT; |
| 2486 | |
| 2487 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2488 | if (*idx == -1) { |
| 2489 | *idx = MLX4_SINK_COUNTER_INDEX(dev); |
| 2490 | return -ENOSPC; |
| 2491 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2492 | |
| 2493 | return 0; |
| 2494 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2495 | |
| 2496 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
| 2497 | { |
| 2498 | u64 out_param; |
| 2499 | int err; |
| 2500 | |
| 2501 | if (mlx4_is_mfunc(dev)) { |
| 2502 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, |
| 2503 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, |
| 2504 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); |
| 2505 | if (!err) |
| 2506 | *idx = get_param_l(&out_param); |
| 2507 | |
| 2508 | return err; |
| 2509 | } |
| 2510 | return __mlx4_counter_alloc(dev, idx); |
| 2511 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2512 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
| 2513 | |
Eran Ben Elisha | b72ca7e | 2015-06-15 17:58:57 +0300 | [diff] [blame] | 2514 | static int __mlx4_clear_if_stat(struct mlx4_dev *dev, |
| 2515 | u8 counter_index) |
| 2516 | { |
| 2517 | struct mlx4_cmd_mailbox *if_stat_mailbox; |
| 2518 | int err; |
| 2519 | u32 if_stat_in_mod = (counter_index & 0xff) | MLX4_QUERY_IF_STAT_RESET; |
| 2520 | |
| 2521 | if_stat_mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 2522 | if (IS_ERR(if_stat_mailbox)) |
| 2523 | return PTR_ERR(if_stat_mailbox); |
| 2524 | |
| 2525 | err = mlx4_cmd_box(dev, 0, if_stat_mailbox->dma, if_stat_in_mod, 0, |
| 2526 | MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C, |
| 2527 | MLX4_CMD_NATIVE); |
| 2528 | |
| 2529 | mlx4_free_cmd_mailbox(dev, if_stat_mailbox); |
| 2530 | return err; |
| 2531 | } |
| 2532 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2533 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2534 | { |
Eran Ben Elisha | efa6bc9 | 2015-06-15 17:58:56 +0300 | [diff] [blame] | 2535 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
| 2536 | return; |
| 2537 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2538 | if (idx == MLX4_SINK_COUNTER_INDEX(dev)) |
| 2539 | return; |
| 2540 | |
Eran Ben Elisha | b72ca7e | 2015-06-15 17:58:57 +0300 | [diff] [blame] | 2541 | __mlx4_clear_if_stat(dev, idx); |
| 2542 | |
Jack Morgenstein | 7c6d74d | 2013-12-08 16:50:17 +0200 | [diff] [blame] | 2543 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2544 | return; |
| 2545 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2546 | |
| 2547 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
| 2548 | { |
Jack Morgenstein | e7dbeba | 2013-03-07 03:46:54 +0000 | [diff] [blame] | 2549 | u64 in_param = 0; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2550 | |
| 2551 | if (mlx4_is_mfunc(dev)) { |
| 2552 | set_param_l(&in_param, idx); |
| 2553 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, |
| 2554 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, |
| 2555 | MLX4_CMD_WRAPPED); |
| 2556 | return; |
| 2557 | } |
| 2558 | __mlx4_counter_free(dev, idx); |
| 2559 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2560 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
| 2561 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2562 | int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port) |
| 2563 | { |
| 2564 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2565 | |
| 2566 | return priv->def_counter[port - 1]; |
| 2567 | } |
| 2568 | EXPORT_SYMBOL_GPL(mlx4_get_default_counter_index); |
| 2569 | |
Yishai Hadas | 773af94 | 2015-03-03 10:54:48 +0200 | [diff] [blame] | 2570 | void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, int port) |
| 2571 | { |
| 2572 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2573 | |
| 2574 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; |
| 2575 | } |
| 2576 | EXPORT_SYMBOL_GPL(mlx4_set_admin_guid); |
| 2577 | |
| 2578 | __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) |
| 2579 | { |
| 2580 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2581 | |
| 2582 | return priv->mfunc.master.vf_admin[entry].vport[port].guid; |
| 2583 | } |
| 2584 | EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); |
| 2585 | |
Yishai Hadas | fb517a4 | 2015-03-03 11:23:32 +0200 | [diff] [blame] | 2586 | void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) |
| 2587 | { |
| 2588 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2589 | __be64 guid; |
| 2590 | |
| 2591 | /* hw GUID */ |
| 2592 | if (entry == 0) |
| 2593 | return; |
| 2594 | |
| 2595 | get_random_bytes((char *)&guid, sizeof(guid)); |
| 2596 | guid &= ~(cpu_to_be64(1ULL << 56)); |
| 2597 | guid |= cpu_to_be64(1ULL << 57); |
| 2598 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; |
| 2599 | } |
| 2600 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 2601 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2602 | { |
| 2603 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2604 | int err; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2605 | int port; |
Jack Morgenstein | 9a5aa62 | 2008-11-28 21:29:46 -0800 | [diff] [blame] | 2606 | __be32 ib_port_default_caps; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2607 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2608 | err = mlx4_init_uar_table(dev); |
| 2609 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2610 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
Christophe Jaillet | 5d4de16 | 2016-07-02 14:31:05 +0200 | [diff] [blame] | 2611 | return err; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2612 | } |
| 2613 | |
| 2614 | err = mlx4_uar_alloc(dev, &priv->driver_uar); |
| 2615 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2616 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2617 | goto err_uar_table_free; |
| 2618 | } |
| 2619 | |
Roland Dreier | 4979d18 | 2011-01-12 09:50:36 -0800 | [diff] [blame] | 2620 | 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] | 2621 | if (!priv->kar) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2622 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2623 | err = -ENOMEM; |
| 2624 | goto err_uar_free; |
| 2625 | } |
| 2626 | |
| 2627 | err = mlx4_init_pd_table(dev); |
| 2628 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2629 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2630 | goto err_kar_unmap; |
| 2631 | } |
| 2632 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2633 | err = mlx4_init_xrcd_table(dev); |
| 2634 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2635 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2636 | goto err_pd_table_free; |
| 2637 | } |
| 2638 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2639 | err = mlx4_init_mr_table(dev); |
| 2640 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2641 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2642 | goto err_xrcd_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2643 | } |
| 2644 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2645 | if (!mlx4_is_slave(dev)) { |
| 2646 | err = mlx4_init_mcg_table(dev); |
| 2647 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2648 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2649 | goto err_mr_table_free; |
| 2650 | } |
Jack Morgenstein | 114840c | 2014-06-01 11:53:50 +0300 | [diff] [blame] | 2651 | err = mlx4_config_mad_demux(dev); |
| 2652 | if (err) { |
| 2653 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); |
| 2654 | goto err_mcg_table_free; |
| 2655 | } |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2656 | } |
| 2657 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2658 | err = mlx4_init_eq_table(dev); |
| 2659 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2660 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2661 | goto err_mcg_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2662 | } |
| 2663 | |
| 2664 | err = mlx4_cmd_use_events(dev); |
| 2665 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2666 | 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] | 2667 | goto err_eq_table_free; |
| 2668 | } |
| 2669 | |
| 2670 | err = mlx4_NOP(dev); |
| 2671 | if (err) { |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2672 | if (dev->flags & MLX4_FLAG_MSI_X) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2673 | 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] | 2674 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2675 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2676 | } else { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2677 | 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] | 2678 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2679 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 2680 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2681 | |
| 2682 | goto err_cmd_poll; |
| 2683 | } |
| 2684 | |
| 2685 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); |
| 2686 | |
| 2687 | err = mlx4_init_cq_table(dev); |
| 2688 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2689 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2690 | goto err_cmd_poll; |
| 2691 | } |
| 2692 | |
| 2693 | err = mlx4_init_srq_table(dev); |
| 2694 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2695 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2696 | goto err_cq_table_free; |
| 2697 | } |
| 2698 | |
| 2699 | err = mlx4_init_qp_table(dev); |
| 2700 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2701 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2702 | goto err_srq_table_free; |
| 2703 | } |
| 2704 | |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2705 | if (!mlx4_is_slave(dev)) { |
| 2706 | err = mlx4_init_counters_table(dev); |
| 2707 | if (err && err != -ENOENT) { |
| 2708 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); |
| 2709 | goto err_qp_table_free; |
| 2710 | } |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2711 | } |
| 2712 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2713 | err = mlx4_allocate_default_counters(dev); |
| 2714 | if (err) { |
| 2715 | mlx4_err(dev, "Failed to allocate default counters, aborting\n"); |
| 2716 | goto err_counters_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2717 | } |
| 2718 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2719 | if (!mlx4_is_slave(dev)) { |
| 2720 | for (port = 1; port <= dev->caps.num_ports; port++) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2721 | ib_port_default_caps = 0; |
| 2722 | err = mlx4_get_port_ib_caps(dev, port, |
| 2723 | &ib_port_default_caps); |
| 2724 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2725 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
| 2726 | port, err); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2727 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
Marcel Apfelbaum | 97285b7 | 2011-10-24 11:02:34 +0200 | [diff] [blame] | 2728 | |
Jack Morgenstein | 2aca117 | 2012-06-19 11:21:41 +0300 | [diff] [blame] | 2729 | /* initialize per-slave default ib port capabilities */ |
| 2730 | if (mlx4_is_master(dev)) { |
| 2731 | int i; |
| 2732 | for (i = 0; i < dev->num_slaves; i++) { |
| 2733 | if (i == mlx4_master_func_num(dev)) |
| 2734 | continue; |
| 2735 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2736 | ib_port_default_caps; |
Jack Morgenstein | 2aca117 | 2012-06-19 11:21:41 +0300 | [diff] [blame] | 2737 | } |
| 2738 | } |
| 2739 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2740 | if (mlx4_is_mfunc(dev)) |
| 2741 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; |
| 2742 | else |
| 2743 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; |
Marcel Apfelbaum | 97285b7 | 2011-10-24 11:02:34 +0200 | [diff] [blame] | 2744 | |
Jack Morgenstein | 6634961 | 2012-06-19 11:21:44 +0300 | [diff] [blame] | 2745 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
| 2746 | dev->caps.pkey_table_len[port] : -1); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2747 | if (err) { |
| 2748 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 2749 | port); |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2750 | goto err_default_countes_free; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2751 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2752 | } |
| 2753 | } |
| 2754 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2755 | return 0; |
| 2756 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 2757 | err_default_countes_free: |
| 2758 | mlx4_cleanup_default_counters(dev); |
| 2759 | |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2760 | err_counters_table_free: |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 2761 | if (!mlx4_is_slave(dev)) |
| 2762 | mlx4_cleanup_counters_table(dev); |
Or Gerlitz | f2a3f6a | 2011-06-15 14:47:14 +0000 | [diff] [blame] | 2763 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2764 | err_qp_table_free: |
| 2765 | mlx4_cleanup_qp_table(dev); |
| 2766 | |
| 2767 | err_srq_table_free: |
| 2768 | mlx4_cleanup_srq_table(dev); |
| 2769 | |
| 2770 | err_cq_table_free: |
| 2771 | mlx4_cleanup_cq_table(dev); |
| 2772 | |
| 2773 | err_cmd_poll: |
| 2774 | mlx4_cmd_use_polling(dev); |
| 2775 | |
| 2776 | err_eq_table_free: |
| 2777 | mlx4_cleanup_eq_table(dev); |
| 2778 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 2779 | err_mcg_table_free: |
| 2780 | if (!mlx4_is_slave(dev)) |
| 2781 | mlx4_cleanup_mcg_table(dev); |
| 2782 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 2783 | err_mr_table_free: |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2784 | mlx4_cleanup_mr_table(dev); |
| 2785 | |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 2786 | err_xrcd_table_free: |
| 2787 | mlx4_cleanup_xrcd_table(dev); |
| 2788 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2789 | err_pd_table_free: |
| 2790 | mlx4_cleanup_pd_table(dev); |
| 2791 | |
| 2792 | err_kar_unmap: |
| 2793 | iounmap(priv->kar); |
| 2794 | |
| 2795 | err_uar_free: |
| 2796 | mlx4_uar_free(dev, &priv->driver_uar); |
| 2797 | |
| 2798 | err_uar_table_free: |
| 2799 | mlx4_cleanup_uar_table(dev); |
| 2800 | return err; |
| 2801 | } |
| 2802 | |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2803 | static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn) |
| 2804 | { |
| 2805 | int requested_cpu = 0; |
| 2806 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2807 | struct mlx4_eq *eq; |
| 2808 | int off = 0; |
| 2809 | int i; |
| 2810 | |
| 2811 | if (eqn > dev->caps.num_comp_vectors) |
| 2812 | return -EINVAL; |
| 2813 | |
| 2814 | for (i = 1; i < port; i++) |
| 2815 | off += mlx4_get_eqs_per_port(dev, i); |
| 2816 | |
| 2817 | requested_cpu = eqn - off - !!(eqn > MLX4_EQ_ASYNC); |
| 2818 | |
| 2819 | /* Meaning EQs are shared, and this call comes from the second port */ |
| 2820 | if (requested_cpu < 0) |
| 2821 | return 0; |
| 2822 | |
| 2823 | eq = &priv->eq_table.eq[eqn]; |
| 2824 | |
| 2825 | if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL)) |
| 2826 | return -ENOMEM; |
| 2827 | |
| 2828 | cpumask_set_cpu(requested_cpu, eq->affinity_mask); |
| 2829 | |
| 2830 | return 0; |
| 2831 | } |
| 2832 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame] | 2833 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2834 | { |
| 2835 | struct mlx4_priv *priv = mlx4_priv(dev); |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2836 | struct msix_entry *entries; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2837 | int i; |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2838 | int port = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2839 | |
| 2840 | if (msi_x) { |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2841 | int nreq = dev->caps.num_ports * num_online_cpus() + 1; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 2842 | |
Or Gerlitz | ca4c7b3 | 2013-01-17 05:30:43 +0000 | [diff] [blame] | 2843 | nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, |
| 2844 | nreq); |
Carol L Soto | 85121d6 | 2015-10-07 12:31:46 -0400 | [diff] [blame] | 2845 | if (nreq > MAX_MSIX) |
Carol L Soto | 9293267 | 2015-08-27 14:43:25 -0500 | [diff] [blame] | 2846 | nreq = MAX_MSIX; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2847 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2848 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
| 2849 | if (!entries) |
| 2850 | goto no_msi; |
| 2851 | |
| 2852 | for (i = 0; i < nreq; ++i) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2853 | entries[i].entry = i; |
| 2854 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2855 | nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2, |
| 2856 | nreq); |
Alexander Gordeev | 66e2f9c | 2014-02-18 11:11:47 +0100 | [diff] [blame] | 2857 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2858 | if (nreq < 0 || nreq < MLX4_EQ_ASYNC) { |
Nicolas Morey-Chaisemartin | 5bf0da7 | 2009-04-21 10:11:06 -0700 | [diff] [blame] | 2859 | kfree(entries); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2860 | goto no_msi; |
Yevgeny Petrilin | 0b7ca5a | 2011-03-22 22:37:47 +0000 | [diff] [blame] | 2861 | } |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2862 | /* 1 is reserved for events (asyncrounous EQ) */ |
| 2863 | dev->caps.num_comp_vectors = nreq - 1; |
| 2864 | |
| 2865 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq = entries[0].vector; |
| 2866 | bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, |
| 2867 | dev->caps.num_ports); |
| 2868 | |
| 2869 | for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { |
| 2870 | if (i == MLX4_EQ_ASYNC) |
| 2871 | continue; |
| 2872 | |
| 2873 | priv->eq_table.eq[i].irq = |
| 2874 | entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; |
| 2875 | |
Carol L Soto | 85121d6 | 2015-10-07 12:31:46 -0400 | [diff] [blame] | 2876 | if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2877 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
| 2878 | dev->caps.num_ports); |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2879 | /* We don't set affinity hint when there |
| 2880 | * aren't enough EQs |
| 2881 | */ |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2882 | } else { |
| 2883 | set_bit(port, |
| 2884 | priv->eq_table.eq[i].actv_ports.ports); |
Ido Shamay | de16180 | 2015-05-31 09:30:17 +0300 | [diff] [blame] | 2885 | if (mlx4_init_affinity_hint(dev, port + 1, i)) |
| 2886 | mlx4_warn(dev, "Couldn't init hint cpumask for EQ %d\n", |
| 2887 | i); |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2888 | } |
| 2889 | /* We divide the Eqs evenly between the two ports. |
| 2890 | * (dev->caps.num_comp_vectors / dev->caps.num_ports) |
| 2891 | * refers to the number of Eqs per port |
| 2892 | * (i.e eqs_per_port). Theoretically, we would like to |
| 2893 | * write something like (i + 1) % eqs_per_port == 0. |
| 2894 | * However, since there's an asynchronous Eq, we have |
| 2895 | * to skip over it by comparing this condition to |
| 2896 | * !!((i + 1) > MLX4_EQ_ASYNC). |
| 2897 | */ |
| 2898 | if ((dev->caps.num_comp_vectors > dev->caps.num_ports) && |
| 2899 | ((i + 1) % |
| 2900 | (dev->caps.num_comp_vectors / dev->caps.num_ports)) == |
| 2901 | !!((i + 1) > MLX4_EQ_ASYNC)) |
| 2902 | /* If dev->caps.num_comp_vectors < dev->caps.num_ports, |
| 2903 | * everything is shared anyway. |
| 2904 | */ |
| 2905 | port++; |
| 2906 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2907 | |
| 2908 | dev->flags |= MLX4_FLAG_MSI_X; |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2909 | |
| 2910 | kfree(entries); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2911 | return; |
| 2912 | } |
| 2913 | |
| 2914 | no_msi: |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 2915 | dev->caps.num_comp_vectors = 1; |
| 2916 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2917 | BUG_ON(MLX4_EQ_ASYNC >= 2); |
| 2918 | for (i = 0; i < 2; ++i) { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2919 | priv->eq_table.eq[i].irq = dev->persist->pdev->irq; |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2920 | if (i != MLX4_EQ_ASYNC) { |
| 2921 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
| 2922 | dev->caps.num_ports); |
| 2923 | } |
| 2924 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 2925 | } |
| 2926 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2927 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2928 | { |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 2929 | struct devlink *devlink = priv_to_devlink(mlx4_priv(dev)); |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2930 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 2931 | int err; |
| 2932 | |
| 2933 | err = devlink_port_register(devlink, &info->devlink_port, port); |
| 2934 | if (err) |
| 2935 | return err; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 2936 | |
| 2937 | info->dev = dev; |
| 2938 | info->port = port; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2939 | if (!mlx4_is_slave(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2940 | mlx4_init_mac_table(dev, &info->mac_table); |
| 2941 | mlx4_init_vlan_table(dev, &info->vlan_table); |
Jack Morgenstein | 111c609 | 2014-05-27 09:26:38 +0300 | [diff] [blame] | 2942 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
Yan Burman | 16a10ff | 2013-02-07 02:25:22 +0000 | [diff] [blame] | 2943 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2944 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2945 | |
| 2946 | sprintf(info->dev_name, "mlx4_port%d", port); |
| 2947 | info->port_attr.attr.name = info->dev_name; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 2948 | if (mlx4_is_mfunc(dev)) |
| 2949 | info->port_attr.attr.mode = S_IRUGO; |
| 2950 | else { |
| 2951 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; |
| 2952 | info->port_attr.store = set_port_type; |
| 2953 | } |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2954 | info->port_attr.show = show_port_type; |
Greg Kroah-Hartman | 3691c96 | 2010-03-15 14:01:55 -0700 | [diff] [blame] | 2955 | sysfs_attr_init(&info->port_attr.attr); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2956 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2957 | err = device_create_file(&dev->persist->pdev->dev, &info->port_attr); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2958 | if (err) { |
| 2959 | mlx4_err(dev, "Failed to create file for port %d\n", port); |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 2960 | devlink_port_unregister(&info->devlink_port); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2961 | info->port = -1; |
| 2962 | } |
| 2963 | |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2964 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
| 2965 | info->port_mtu_attr.attr.name = info->dev_mtu_name; |
| 2966 | if (mlx4_is_mfunc(dev)) |
| 2967 | info->port_mtu_attr.attr.mode = S_IRUGO; |
| 2968 | else { |
| 2969 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; |
| 2970 | info->port_mtu_attr.store = set_port_ib_mtu; |
| 2971 | } |
| 2972 | info->port_mtu_attr.show = show_port_ib_mtu; |
| 2973 | sysfs_attr_init(&info->port_mtu_attr.attr); |
| 2974 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2975 | err = device_create_file(&dev->persist->pdev->dev, |
| 2976 | &info->port_mtu_attr); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2977 | if (err) { |
| 2978 | 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] | 2979 | device_remove_file(&info->dev->persist->pdev->dev, |
| 2980 | &info->port_attr); |
Kamal Heib | fba1296 | 2016-09-20 14:55:31 +0300 | [diff] [blame] | 2981 | devlink_port_unregister(&info->devlink_port); |
Or Gerlitz | 096335b | 2012-01-11 19:02:17 +0200 | [diff] [blame] | 2982 | info->port = -1; |
| 2983 | } |
| 2984 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 2985 | return err; |
| 2986 | } |
| 2987 | |
| 2988 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) |
| 2989 | { |
| 2990 | if (info->port < 0) |
| 2991 | return; |
| 2992 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 2993 | device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); |
| 2994 | device_remove_file(&info->dev->persist->pdev->dev, |
| 2995 | &info->port_mtu_attr); |
Kamal Heib | fba1296 | 2016-09-20 14:55:31 +0300 | [diff] [blame] | 2996 | devlink_port_unregister(&info->devlink_port); |
| 2997 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 2998 | #ifdef CONFIG_RFS_ACCEL |
| 2999 | free_irq_cpu_rmap(info->rmap); |
| 3000 | info->rmap = NULL; |
| 3001 | #endif |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 3002 | } |
| 3003 | |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3004 | static int mlx4_init_steering(struct mlx4_dev *dev) |
| 3005 | { |
| 3006 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3007 | int num_entries = dev->caps.num_ports; |
| 3008 | int i, j; |
| 3009 | |
| 3010 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); |
| 3011 | if (!priv->steer) |
| 3012 | return -ENOMEM; |
| 3013 | |
Eugenia Emantayev | 45b5136 | 2012-02-14 06:37:41 +0000 | [diff] [blame] | 3014 | for (i = 0; i < num_entries; i++) |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3015 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
| 3016 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); |
| 3017 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); |
| 3018 | } |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3019 | return 0; |
| 3020 | } |
| 3021 | |
| 3022 | static void mlx4_clear_steering(struct mlx4_dev *dev) |
| 3023 | { |
| 3024 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3025 | struct mlx4_steer_index *entry, *tmp_entry; |
| 3026 | struct mlx4_promisc_qp *pqp, *tmp_pqp; |
| 3027 | int num_entries = dev->caps.num_ports; |
| 3028 | int i, j; |
| 3029 | |
| 3030 | for (i = 0; i < num_entries; i++) { |
| 3031 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
| 3032 | list_for_each_entry_safe(pqp, tmp_pqp, |
| 3033 | &priv->steer[i].promisc_qps[j], |
| 3034 | list) { |
| 3035 | list_del(&pqp->list); |
| 3036 | kfree(pqp); |
| 3037 | } |
| 3038 | list_for_each_entry_safe(entry, tmp_entry, |
| 3039 | &priv->steer[i].steer_entries[j], |
| 3040 | list) { |
| 3041 | list_del(&entry->list); |
| 3042 | list_for_each_entry_safe(pqp, tmp_pqp, |
| 3043 | &entry->duplicates, |
| 3044 | list) { |
| 3045 | list_del(&pqp->list); |
| 3046 | kfree(pqp); |
| 3047 | } |
| 3048 | kfree(entry); |
| 3049 | } |
| 3050 | } |
| 3051 | } |
| 3052 | kfree(priv->steer); |
| 3053 | } |
| 3054 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3055 | static int extended_func_num(struct pci_dev *pdev) |
| 3056 | { |
| 3057 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); |
| 3058 | } |
| 3059 | |
| 3060 | #define MLX4_OWNER_BASE 0x8069c |
| 3061 | #define MLX4_OWNER_SIZE 4 |
| 3062 | |
| 3063 | static int mlx4_get_ownership(struct mlx4_dev *dev) |
| 3064 | { |
| 3065 | void __iomem *owner; |
| 3066 | u32 ret; |
| 3067 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3068 | if (pci_channel_offline(dev->persist->pdev)) |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3069 | return -EIO; |
| 3070 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3071 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
| 3072 | MLX4_OWNER_BASE, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3073 | MLX4_OWNER_SIZE); |
| 3074 | if (!owner) { |
| 3075 | mlx4_err(dev, "Failed to obtain ownership bit\n"); |
| 3076 | return -ENOMEM; |
| 3077 | } |
| 3078 | |
| 3079 | ret = readl(owner); |
| 3080 | iounmap(owner); |
| 3081 | return (int) !!ret; |
| 3082 | } |
| 3083 | |
| 3084 | static void mlx4_free_ownership(struct mlx4_dev *dev) |
| 3085 | { |
| 3086 | void __iomem *owner; |
| 3087 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3088 | if (pci_channel_offline(dev->persist->pdev)) |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 3089 | return; |
| 3090 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3091 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
| 3092 | MLX4_OWNER_BASE, |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3093 | MLX4_OWNER_SIZE); |
| 3094 | if (!owner) { |
| 3095 | mlx4_err(dev, "Failed to obtain ownership bit\n"); |
| 3096 | return; |
| 3097 | } |
| 3098 | writel(0, owner); |
| 3099 | msleep(1000); |
| 3100 | iounmap(owner); |
| 3101 | } |
| 3102 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3103 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
| 3104 | !!((flags) & MLX4_FLAG_MASTER)) |
| 3105 | |
| 3106 | 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] | 3107 | u8 total_vfs, int existing_vfs, int reset_flow) |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3108 | { |
| 3109 | u64 dev_flags = dev->flags; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3110 | int err = 0; |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3111 | int fw_enabled_sriov_vfs = min(pci_sriov_get_totalvfs(pdev), |
| 3112 | MLX4_MAX_NUM_VF); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3113 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3114 | if (reset_flow) { |
| 3115 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), |
| 3116 | GFP_KERNEL); |
| 3117 | if (!dev->dev_vfs) |
| 3118 | goto free_mem; |
| 3119 | return dev_flags; |
| 3120 | } |
| 3121 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3122 | atomic_inc(&pf_loading); |
| 3123 | if (dev->flags & MLX4_FLAG_SRIOV) { |
| 3124 | if (existing_vfs != total_vfs) { |
| 3125 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", |
| 3126 | existing_vfs, total_vfs); |
| 3127 | total_vfs = existing_vfs; |
| 3128 | } |
| 3129 | } |
| 3130 | |
| 3131 | dev->dev_vfs = kzalloc(total_vfs * sizeof(*dev->dev_vfs), GFP_KERNEL); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3132 | if (NULL == dev->dev_vfs) { |
| 3133 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); |
| 3134 | goto disable_sriov; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3135 | } |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3136 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3137 | if (!(dev->flags & MLX4_FLAG_SRIOV)) { |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3138 | if (total_vfs > fw_enabled_sriov_vfs) { |
| 3139 | mlx4_err(dev, "requested vfs (%d) > available vfs (%d). Continuing without SR_IOV\n", |
| 3140 | total_vfs, fw_enabled_sriov_vfs); |
| 3141 | err = -ENOMEM; |
| 3142 | goto disable_sriov; |
| 3143 | } |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3144 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); |
| 3145 | err = pci_enable_sriov(pdev, total_vfs); |
| 3146 | } |
| 3147 | if (err) { |
| 3148 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", |
| 3149 | err); |
| 3150 | goto disable_sriov; |
| 3151 | } else { |
| 3152 | mlx4_warn(dev, "Running in master mode\n"); |
| 3153 | dev_flags |= MLX4_FLAG_SRIOV | |
| 3154 | MLX4_FLAG_MASTER; |
| 3155 | dev_flags &= ~MLX4_FLAG_SLAVE; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3156 | dev->persist->num_vfs = total_vfs; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3157 | } |
| 3158 | return dev_flags; |
| 3159 | |
| 3160 | disable_sriov: |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3161 | atomic_dec(&pf_loading); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3162 | free_mem: |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3163 | dev->persist->num_vfs = 0; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3164 | kfree(dev->dev_vfs); |
Carol L Soto | 5114a04 | 2015-06-02 16:07:23 -0500 | [diff] [blame] | 3165 | dev->dev_vfs = NULL; |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3166 | return dev_flags & ~MLX4_FLAG_MASTER; |
| 3167 | } |
| 3168 | |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 3169 | enum { |
| 3170 | MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64 = -1, |
| 3171 | }; |
| 3172 | |
| 3173 | static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
| 3174 | int *nvfs) |
| 3175 | { |
| 3176 | int requested_vfs = nvfs[0] + nvfs[1] + nvfs[2]; |
| 3177 | /* Checking for 64 VFs as a limitation of CX2 */ |
| 3178 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_80_VFS) && |
| 3179 | requested_vfs >= 64) { |
| 3180 | mlx4_err(dev, "Requested %d VFs, but FW does not support more than 64\n", |
| 3181 | requested_vfs); |
| 3182 | return MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64; |
| 3183 | } |
| 3184 | return 0; |
| 3185 | } |
| 3186 | |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 3187 | static int mlx4_pci_enable_device(struct mlx4_dev *dev) |
| 3188 | { |
| 3189 | struct pci_dev *pdev = dev->persist->pdev; |
| 3190 | int err = 0; |
| 3191 | |
| 3192 | mutex_lock(&dev->persist->pci_status_mutex); |
| 3193 | if (dev->persist->pci_status == MLX4_PCI_STATUS_DISABLED) { |
| 3194 | err = pci_enable_device(pdev); |
| 3195 | if (!err) |
| 3196 | dev->persist->pci_status = MLX4_PCI_STATUS_ENABLED; |
| 3197 | } |
| 3198 | mutex_unlock(&dev->persist->pci_status_mutex); |
| 3199 | |
| 3200 | return err; |
| 3201 | } |
| 3202 | |
| 3203 | static void mlx4_pci_disable_device(struct mlx4_dev *dev) |
| 3204 | { |
| 3205 | struct pci_dev *pdev = dev->persist->pdev; |
| 3206 | |
| 3207 | mutex_lock(&dev->persist->pci_status_mutex); |
| 3208 | if (dev->persist->pci_status == MLX4_PCI_STATUS_ENABLED) { |
| 3209 | pci_disable_device(pdev); |
| 3210 | dev->persist->pci_status = MLX4_PCI_STATUS_DISABLED; |
| 3211 | } |
| 3212 | mutex_unlock(&dev->persist->pci_status_mutex); |
| 3213 | } |
| 3214 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3215 | 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] | 3216 | int total_vfs, int *nvfs, struct mlx4_priv *priv, |
| 3217 | int reset_flow) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3218 | { |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3219 | struct mlx4_dev *dev; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3220 | unsigned sum = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3221 | int err; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 3222 | int port; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3223 | int i; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3224 | struct mlx4_dev_cap *dev_cap = NULL; |
Jack Morgenstein | bbb07af | 2014-09-30 12:03:47 +0300 | [diff] [blame] | 3225 | int existing_vfs = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3226 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3227 | dev = &priv->dev; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3228 | |
Roland Dreier | b581401 | 2007-06-07 11:51:58 -0700 | [diff] [blame] | 3229 | INIT_LIST_HEAD(&priv->ctx_list); |
| 3230 | spin_lock_init(&priv->ctx_lock); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3231 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3232 | mutex_init(&priv->port_mutex); |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3233 | mutex_init(&priv->bond_mutex); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3234 | |
Yevgeny Petrilin | 6296883 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 3235 | INIT_LIST_HEAD(&priv->pgdir_list); |
| 3236 | mutex_init(&priv->pgdir_mutex); |
Eric Dumazet | 0c5ddb5 | 2016-06-13 07:50:25 -0700 | [diff] [blame] | 3237 | spin_lock_init(&priv->cmd.context_lock); |
Yevgeny Petrilin | 6296883 | 2008-04-23 11:55:45 -0700 | [diff] [blame] | 3238 | |
Eli Cohen | c1b43dc | 2011-03-22 22:38:41 +0000 | [diff] [blame] | 3239 | INIT_LIST_HEAD(&priv->bf_list); |
| 3240 | mutex_init(&priv->bf_mutex); |
| 3241 | |
Sergei Shtylyov | aca7a3a | 2011-06-23 04:44:30 +0000 | [diff] [blame] | 3242 | dev->rev_id = pdev->revision; |
Eugenia Emantayev | 6e7136e | 2013-11-07 12:19:53 +0200 | [diff] [blame] | 3243 | dev->numa_node = dev_to_node(&pdev->dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3244 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3245 | /* Detect if this device is a virtual function */ |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3246 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3247 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
| 3248 | dev->flags |= MLX4_FLAG_SLAVE; |
| 3249 | } else { |
| 3250 | /* We reset the device and enable SRIOV only for physical |
| 3251 | * devices. Try to claim ownership on the device; |
| 3252 | * if already taken, skip -- do not allow multiple PFs */ |
| 3253 | err = mlx4_get_ownership(dev); |
| 3254 | if (err) { |
| 3255 | if (err < 0) |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3256 | return err; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3257 | else { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3258 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3259 | return -EINVAL; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3260 | } |
| 3261 | } |
Sergei Shtylyov | aca7a3a | 2011-06-23 04:44:30 +0000 | [diff] [blame] | 3262 | |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 3263 | atomic_set(&priv->opreq_count, 0); |
| 3264 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); |
| 3265 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3266 | /* |
| 3267 | * Now reset the HCA before we touch the PCI capabilities or |
| 3268 | * attempt a firmware command, since a boot ROM may have left |
| 3269 | * the HCA in an undefined state. |
| 3270 | */ |
| 3271 | err = mlx4_reset(dev); |
| 3272 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3273 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3274 | goto err_sriov; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3275 | } |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3276 | |
| 3277 | if (total_vfs) { |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3278 | dev->flags = MLX4_FLAG_MASTER; |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3279 | existing_vfs = pci_num_vf(pdev); |
| 3280 | if (existing_vfs) |
| 3281 | dev->flags |= MLX4_FLAG_SRIOV; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3282 | dev->persist->num_vfs = total_vfs; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3283 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3284 | } |
| 3285 | |
Yishai Hadas | f6bc11e | 2015-01-25 16:59:38 +0200 | [diff] [blame] | 3286 | /* on load remove any previous indication of internal error, |
| 3287 | * device is up. |
| 3288 | */ |
| 3289 | dev->persist->state = MLX4_DEVICE_STATE_UP; |
| 3290 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3291 | slave_start: |
Eugenia Emantayev | 521130d | 2012-09-05 22:50:52 +0000 | [diff] [blame] | 3292 | err = mlx4_cmd_init(dev); |
| 3293 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3294 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3295 | goto err_sriov; |
| 3296 | } |
| 3297 | |
| 3298 | /* In slave functions, the communication channel must be initialized |
| 3299 | * before posting commands. Also, init num_slaves before calling |
| 3300 | * mlx4_init_hca */ |
| 3301 | if (mlx4_is_mfunc(dev)) { |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3302 | if (mlx4_is_master(dev)) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3303 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3304 | |
| 3305 | } else { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3306 | dev->num_slaves = 0; |
Jack Morgenstein | f356fcbe | 2013-01-24 01:54:17 +0000 | [diff] [blame] | 3307 | err = mlx4_multi_func_init(dev); |
| 3308 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3309 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3310 | goto err_cmd; |
| 3311 | } |
| 3312 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3313 | } |
| 3314 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3315 | err = mlx4_init_fw(dev); |
| 3316 | if (err) { |
| 3317 | mlx4_err(dev, "Failed to init fw, aborting.\n"); |
| 3318 | goto err_mfunc; |
| 3319 | } |
| 3320 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3321 | if (mlx4_is_master(dev)) { |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3322 | /* when we hit the goto slave_start below, dev_cap already initialized */ |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3323 | if (!dev_cap) { |
| 3324 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); |
| 3325 | |
| 3326 | if (!dev_cap) { |
| 3327 | err = -ENOMEM; |
| 3328 | goto err_fw; |
| 3329 | } |
| 3330 | |
| 3331 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 3332 | if (err) { |
| 3333 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 3334 | goto err_fw; |
| 3335 | } |
| 3336 | |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 3337 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
| 3338 | goto err_fw; |
| 3339 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3340 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3341 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, |
| 3342 | total_vfs, |
| 3343 | existing_vfs, |
| 3344 | reset_flow); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3345 | |
Carol Soto | ed3d227 | 2015-06-02 16:07:24 -0500 | [diff] [blame] | 3346 | mlx4_close_fw(dev); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3347 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
| 3348 | dev->flags = dev_flags; |
| 3349 | if (!SRIOV_VALID_STATE(dev->flags)) { |
| 3350 | mlx4_err(dev, "Invalid SRIOV state\n"); |
| 3351 | goto err_sriov; |
| 3352 | } |
| 3353 | err = mlx4_reset(dev); |
| 3354 | if (err) { |
| 3355 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); |
| 3356 | goto err_sriov; |
| 3357 | } |
| 3358 | goto slave_start; |
| 3359 | } |
| 3360 | } else { |
| 3361 | /* Legacy mode FW requires SRIOV to be enabled before |
| 3362 | * doing QUERY_DEV_CAP, since max_eq's value is different if |
| 3363 | * SRIOV is enabled. |
| 3364 | */ |
| 3365 | memset(dev_cap, 0, sizeof(*dev_cap)); |
| 3366 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 3367 | if (err) { |
| 3368 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 3369 | goto err_fw; |
| 3370 | } |
Matan Barak | de966c5 | 2014-11-13 14:45:33 +0200 | [diff] [blame] | 3371 | |
| 3372 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
| 3373 | goto err_fw; |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3374 | } |
| 3375 | } |
| 3376 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3377 | err = mlx4_init_hca(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3378 | if (err) { |
| 3379 | if (err == -EACCES) { |
| 3380 | /* Not primary Physical function |
| 3381 | * Running in slave mode */ |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3382 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3383 | /* We're not a PF */ |
| 3384 | if (dev->flags & MLX4_FLAG_SRIOV) { |
| 3385 | if (!existing_vfs) |
| 3386 | pci_disable_sriov(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3387 | if (mlx4_is_master(dev) && !reset_flow) |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3388 | atomic_dec(&pf_loading); |
| 3389 | dev->flags &= ~MLX4_FLAG_SRIOV; |
| 3390 | } |
| 3391 | if (!mlx4_is_slave(dev)) |
| 3392 | mlx4_free_ownership(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3393 | dev->flags |= MLX4_FLAG_SLAVE; |
| 3394 | dev->flags &= ~MLX4_FLAG_MASTER; |
| 3395 | goto slave_start; |
| 3396 | } else |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3397 | goto err_fw; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3398 | } |
| 3399 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3400 | 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] | 3401 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, total_vfs, |
| 3402 | existing_vfs, reset_flow); |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3403 | |
| 3404 | if ((dev->flags ^ dev_flags) & (MLX4_FLAG_MASTER | MLX4_FLAG_SLAVE)) { |
| 3405 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_VHCR); |
| 3406 | dev->flags = dev_flags; |
| 3407 | err = mlx4_cmd_init(dev); |
| 3408 | if (err) { |
| 3409 | /* Only VHCR is cleaned up, so could still |
| 3410 | * send FW commands |
| 3411 | */ |
| 3412 | mlx4_err(dev, "Failed to init VHCR command interface, aborting\n"); |
| 3413 | goto err_close; |
| 3414 | } |
| 3415 | } else { |
| 3416 | dev->flags = dev_flags; |
| 3417 | } |
| 3418 | |
| 3419 | if (!SRIOV_VALID_STATE(dev->flags)) { |
| 3420 | mlx4_err(dev, "Invalid SRIOV state\n"); |
| 3421 | goto err_close; |
| 3422 | } |
| 3423 | } |
| 3424 | |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 3425 | /* check if the device is functioning at its maximum possible speed. |
| 3426 | * No return code for this call, just warn the user in case of PCI |
| 3427 | * express device capabilities are under-satisfied by the bus. |
| 3428 | */ |
Eyal Perry | 83d3459 | 2014-05-04 17:07:25 +0300 | [diff] [blame] | 3429 | if (!mlx4_is_slave(dev)) |
| 3430 | mlx4_check_pcie_caps(dev); |
Eyal Perry | b912b2f | 2014-01-05 17:41:08 +0200 | [diff] [blame] | 3431 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3432 | /* In master functions, the communication channel must be initialized |
| 3433 | * after obtaining its address from fw */ |
| 3434 | if (mlx4_is_master(dev)) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3435 | if (dev->caps.num_ports < 2 && |
| 3436 | num_vfs_argc > 1) { |
| 3437 | err = -EINVAL; |
| 3438 | mlx4_err(dev, |
| 3439 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", |
| 3440 | dev->caps.num_ports); |
| 3441 | goto err_close; |
| 3442 | } |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3443 | memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs)); |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 3444 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3445 | for (i = 0; |
| 3446 | i < sizeof(dev->persist->nvfs)/ |
| 3447 | sizeof(dev->persist->nvfs[0]); i++) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3448 | unsigned j; |
| 3449 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3450 | for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3451 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; |
| 3452 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : |
| 3453 | dev->caps.num_ports; |
Matan Barak | dd41cc3 | 2014-03-19 18:11:53 +0200 | [diff] [blame] | 3454 | } |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3455 | } |
| 3456 | |
| 3457 | /* In master functions, the communication channel |
| 3458 | * must be initialized after obtaining its address from fw |
| 3459 | */ |
| 3460 | err = mlx4_multi_func_init(dev); |
| 3461 | if (err) { |
| 3462 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); |
| 3463 | goto err_close; |
Matan Barak | 1ab95d37 | 2014-03-19 18:11:50 +0200 | [diff] [blame] | 3464 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3465 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3466 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3467 | err = mlx4_alloc_eq_table(dev); |
| 3468 | if (err) |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3469 | goto err_master_mfunc; |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3470 | |
Matan Barak | c66fa19 | 2015-05-31 09:30:16 +0300 | [diff] [blame] | 3471 | bitmap_zero(priv->msix_ctl.pool_bm, MAX_MSIX); |
Yevgeny Petrilin | 730c41d | 2012-02-21 03:39:32 +0000 | [diff] [blame] | 3472 | mutex_init(&priv->msix_ctl.pool_lock); |
Yevgeny Petrilin | 0b7ca5a | 2011-03-22 22:37:47 +0000 | [diff] [blame] | 3473 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3474 | mlx4_enable_msi_x(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3475 | if ((mlx4_is_mfunc(dev)) && |
| 3476 | !(dev->flags & MLX4_FLAG_MSI_X)) { |
Jack Morgenstein | f356fcbe | 2013-01-24 01:54:17 +0000 | [diff] [blame] | 3477 | err = -ENOSYS; |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 3478 | 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] | 3479 | goto err_free_eq; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3480 | } |
| 3481 | |
| 3482 | if (!mlx4_is_slave(dev)) { |
| 3483 | err = mlx4_init_steering(dev); |
| 3484 | if (err) |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3485 | goto err_disable_msix; |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3486 | } |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3487 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3488 | err = mlx4_setup_hca(dev); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3489 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
| 3490 | !mlx4_is_mfunc(dev)) { |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3491 | dev->flags &= ~MLX4_FLAG_MSI_X; |
Yevgeny Petrilin | 9858d2d | 2012-06-25 00:24:12 +0000 | [diff] [blame] | 3492 | dev->caps.num_comp_vectors = 1; |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 3493 | pci_disable_msix(pdev); |
| 3494 | err = mlx4_setup_hca(dev); |
| 3495 | } |
| 3496 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3497 | if (err) |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3498 | goto err_steer; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3499 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 3500 | mlx4_init_quotas(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3501 | /* When PF resources are ready arm its comm channel to enable |
| 3502 | * getting commands |
| 3503 | */ |
| 3504 | if (mlx4_is_master(dev)) { |
| 3505 | err = mlx4_ARM_COMM_CHANNEL(dev); |
| 3506 | if (err) { |
| 3507 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", |
| 3508 | err); |
| 3509 | goto err_steer; |
| 3510 | } |
| 3511 | } |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 3512 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3513 | for (port = 1; port <= dev->caps.num_ports; port++) { |
| 3514 | err = mlx4_init_port_info(dev, port); |
| 3515 | if (err) |
| 3516 | goto err_port; |
| 3517 | } |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 3518 | |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3519 | priv->v2p.port1 = 1; |
| 3520 | priv->v2p.port2 = 2; |
| 3521 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3522 | err = mlx4_register_device(dev); |
| 3523 | if (err) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3524 | goto err_port; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3525 | |
Eyal Perry | b046ffe | 2013-10-15 16:55:24 +0200 | [diff] [blame] | 3526 | mlx4_request_modules(dev); |
| 3527 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 3528 | mlx4_sense_init(dev); |
| 3529 | mlx4_start_sense(dev); |
| 3530 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3531 | priv->removed = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3532 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3533 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
Amir Vadai | e1a5ddc | 2014-04-14 11:17:22 +0300 | [diff] [blame] | 3534 | atomic_dec(&pf_loading); |
| 3535 | |
Matan Barak | da31567 | 2014-12-14 16:18:04 +0200 | [diff] [blame] | 3536 | kfree(dev_cap); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3537 | return 0; |
| 3538 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3539 | err_port: |
Eli Cohen | b4f7726 | 2010-01-06 12:54:39 -0800 | [diff] [blame] | 3540 | for (--port; port >= 1; --port) |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 3541 | mlx4_cleanup_port_info(&priv->port[port]); |
| 3542 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 3543 | mlx4_cleanup_default_counters(dev); |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 3544 | if (!mlx4_is_slave(dev)) |
| 3545 | mlx4_cleanup_counters_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3546 | mlx4_cleanup_qp_table(dev); |
| 3547 | mlx4_cleanup_srq_table(dev); |
| 3548 | mlx4_cleanup_cq_table(dev); |
| 3549 | mlx4_cmd_use_polling(dev); |
| 3550 | mlx4_cleanup_eq_table(dev); |
Yevgeny Petrilin | fe6f700 | 2013-07-28 18:54:21 +0300 | [diff] [blame] | 3551 | mlx4_cleanup_mcg_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3552 | mlx4_cleanup_mr_table(dev); |
Sean Hefty | 012a8ff | 2011-06-02 09:01:33 -0700 | [diff] [blame] | 3553 | mlx4_cleanup_xrcd_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3554 | mlx4_cleanup_pd_table(dev); |
| 3555 | mlx4_cleanup_uar_table(dev); |
| 3556 | |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3557 | err_steer: |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3558 | if (!mlx4_is_slave(dev)) |
| 3559 | mlx4_clear_steering(dev); |
Yevgeny Petrilin | b12d93d | 2011-03-22 22:38:24 +0000 | [diff] [blame] | 3560 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3561 | err_disable_msix: |
| 3562 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 3563 | pci_disable_msix(pdev); |
| 3564 | |
Yevgeny Petrilin | b8dd786 | 2008-12-22 07:15:03 -0800 | [diff] [blame] | 3565 | err_free_eq: |
| 3566 | mlx4_free_eq_table(dev); |
| 3567 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3568 | err_master_mfunc: |
Jack Morgenstein | 772103e | 2015-01-27 15:58:01 +0200 | [diff] [blame] | 3569 | if (mlx4_is_master(dev)) { |
| 3570 | mlx4_free_resource_tracker(dev, RES_TR_FREE_STRUCTS_ONLY); |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3571 | mlx4_multi_func_cleanup(dev); |
Jack Morgenstein | 772103e | 2015-01-27 15:58:01 +0200 | [diff] [blame] | 3572 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3573 | |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 3574 | if (mlx4_is_slave(dev)) { |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3575 | kfree(dev->caps.qp0_qkey); |
Dotan Barak | b38f287 | 2014-05-29 16:30:59 +0300 | [diff] [blame] | 3576 | kfree(dev->caps.qp0_tunnel); |
| 3577 | kfree(dev->caps.qp0_proxy); |
| 3578 | kfree(dev->caps.qp1_tunnel); |
| 3579 | kfree(dev->caps.qp1_proxy); |
| 3580 | } |
| 3581 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3582 | err_close: |
| 3583 | mlx4_close_hca(dev); |
| 3584 | |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3585 | err_fw: |
| 3586 | mlx4_close_fw(dev); |
| 3587 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3588 | err_mfunc: |
| 3589 | if (mlx4_is_slave(dev)) |
| 3590 | mlx4_multi_func_cleanup(dev); |
| 3591 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3592 | err_cmd: |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3593 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3594 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3595 | err_sriov: |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3596 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) { |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3597 | pci_disable_sriov(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3598 | dev->flags &= ~MLX4_FLAG_SRIOV; |
| 3599 | } |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 3600 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3601 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
Amir Vadai | e1a5ddc | 2014-04-14 11:17:22 +0300 | [diff] [blame] | 3602 | atomic_dec(&pf_loading); |
| 3603 | |
Matan Barak | 1ab95d37 | 2014-03-19 18:11:50 +0200 | [diff] [blame] | 3604 | kfree(priv->dev.dev_vfs); |
| 3605 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3606 | if (!mlx4_is_slave(dev)) |
| 3607 | mlx4_free_ownership(dev); |
| 3608 | |
Matan Barak | 7ae0e40 | 2014-11-13 14:45:32 +0200 | [diff] [blame] | 3609 | kfree(dev_cap); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3610 | return err; |
| 3611 | } |
| 3612 | |
| 3613 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, |
| 3614 | struct mlx4_priv *priv) |
| 3615 | { |
| 3616 | int err; |
| 3617 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3618 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 3619 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { |
| 3620 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; |
| 3621 | unsigned total_vfs = 0; |
| 3622 | unsigned int i; |
| 3623 | |
| 3624 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); |
| 3625 | |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 3626 | err = mlx4_pci_enable_device(&priv->dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3627 | if (err) { |
| 3628 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
| 3629 | return err; |
| 3630 | } |
| 3631 | |
| 3632 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS |
| 3633 | * per port, we must limit the number of VFs to 63 (since their are |
| 3634 | * 128 MACs) |
| 3635 | */ |
| 3636 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && i < num_vfs_argc; |
| 3637 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { |
| 3638 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; |
| 3639 | if (nvfs[i] < 0) { |
| 3640 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); |
| 3641 | err = -EINVAL; |
| 3642 | goto err_disable_pdev; |
| 3643 | } |
| 3644 | } |
| 3645 | for (i = 0; i < sizeof(prb_vf)/sizeof(prb_vf[0]) && i < probe_vfs_argc; |
| 3646 | i++) { |
| 3647 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; |
| 3648 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { |
| 3649 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); |
| 3650 | err = -EINVAL; |
| 3651 | goto err_disable_pdev; |
| 3652 | } |
| 3653 | } |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3654 | if (total_vfs > MLX4_MAX_NUM_VF) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3655 | dev_err(&pdev->dev, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3656 | "Requested more VF's (%d) than allowed by hw (%d)\n", |
| 3657 | total_vfs, MLX4_MAX_NUM_VF); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3658 | err = -EINVAL; |
| 3659 | goto err_disable_pdev; |
| 3660 | } |
| 3661 | |
| 3662 | for (i = 0; i < MLX4_MAX_PORTS; i++) { |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3663 | if (nvfs[i] + nvfs[2] > MLX4_MAX_NUM_VF_P_PORT) { |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3664 | dev_err(&pdev->dev, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3665 | "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] | 3666 | nvfs[i] + nvfs[2], i + 1, |
Carol Soto | 0beb44b | 2015-07-06 09:20:19 -0500 | [diff] [blame] | 3667 | MLX4_MAX_NUM_VF_P_PORT); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3668 | err = -EINVAL; |
| 3669 | goto err_disable_pdev; |
| 3670 | } |
| 3671 | } |
| 3672 | |
| 3673 | /* Check for BARs. */ |
| 3674 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && |
| 3675 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| 3676 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", |
| 3677 | pci_dev_data, pci_resource_flags(pdev, 0)); |
| 3678 | err = -ENODEV; |
| 3679 | goto err_disable_pdev; |
| 3680 | } |
| 3681 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
| 3682 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); |
| 3683 | err = -ENODEV; |
| 3684 | goto err_disable_pdev; |
| 3685 | } |
| 3686 | |
| 3687 | err = pci_request_regions(pdev, DRV_NAME); |
| 3688 | if (err) { |
| 3689 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
| 3690 | goto err_disable_pdev; |
| 3691 | } |
| 3692 | |
| 3693 | pci_set_master(pdev); |
| 3694 | |
| 3695 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 3696 | if (err) { |
| 3697 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); |
| 3698 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 3699 | if (err) { |
| 3700 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
| 3701 | goto err_release_regions; |
| 3702 | } |
| 3703 | } |
| 3704 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 3705 | if (err) { |
| 3706 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
| 3707 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 3708 | if (err) { |
| 3709 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); |
| 3710 | goto err_release_regions; |
| 3711 | } |
| 3712 | } |
| 3713 | |
| 3714 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ |
| 3715 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); |
| 3716 | /* Detect if this device is a virtual function */ |
| 3717 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
| 3718 | /* When acting as pf, we normally skip vfs unless explicitly |
| 3719 | * requested to probe them. |
| 3720 | */ |
| 3721 | if (total_vfs) { |
| 3722 | unsigned vfs_offset = 0; |
| 3723 | |
| 3724 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && |
| 3725 | vfs_offset + nvfs[i] < extended_func_num(pdev); |
| 3726 | vfs_offset += nvfs[i], i++) |
| 3727 | ; |
| 3728 | if (i == sizeof(nvfs)/sizeof(nvfs[0])) { |
| 3729 | err = -ENODEV; |
| 3730 | goto err_release_regions; |
| 3731 | } |
| 3732 | if ((extended_func_num(pdev) - vfs_offset) |
| 3733 | > prb_vf[i]) { |
| 3734 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", |
| 3735 | extended_func_num(pdev)); |
| 3736 | err = -ENODEV; |
| 3737 | goto err_release_regions; |
| 3738 | } |
| 3739 | } |
| 3740 | } |
| 3741 | |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3742 | err = mlx4_catas_init(&priv->dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3743 | if (err) |
| 3744 | goto err_release_regions; |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3745 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3746 | 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] | 3747 | if (err) |
| 3748 | goto err_catas; |
| 3749 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3750 | return 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3751 | |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3752 | err_catas: |
| 3753 | mlx4_catas_end(&priv->dev); |
| 3754 | |
Roland Dreier | a01df0f | 2009-09-05 20:24:48 -0700 | [diff] [blame] | 3755 | err_release_regions: |
| 3756 | pci_release_regions(pdev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3757 | |
| 3758 | err_disable_pdev: |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 3759 | mlx4_pci_disable_device(&priv->dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3760 | pci_set_drvdata(pdev, NULL); |
| 3761 | return err; |
| 3762 | } |
| 3763 | |
Jiri Pirko | b2facd9 | 2016-02-26 17:32:25 +0100 | [diff] [blame] | 3764 | static int mlx4_devlink_port_type_set(struct devlink_port *devlink_port, |
| 3765 | enum devlink_port_type port_type) |
| 3766 | { |
| 3767 | struct mlx4_port_info *info = container_of(devlink_port, |
| 3768 | struct mlx4_port_info, |
| 3769 | devlink_port); |
| 3770 | enum mlx4_port_type mlx4_port_type; |
| 3771 | |
| 3772 | switch (port_type) { |
| 3773 | case DEVLINK_PORT_TYPE_AUTO: |
| 3774 | mlx4_port_type = MLX4_PORT_TYPE_AUTO; |
| 3775 | break; |
| 3776 | case DEVLINK_PORT_TYPE_ETH: |
| 3777 | mlx4_port_type = MLX4_PORT_TYPE_ETH; |
| 3778 | break; |
| 3779 | case DEVLINK_PORT_TYPE_IB: |
| 3780 | mlx4_port_type = MLX4_PORT_TYPE_IB; |
| 3781 | break; |
| 3782 | default: |
| 3783 | return -EOPNOTSUPP; |
| 3784 | } |
| 3785 | |
| 3786 | return __set_port_type(info, mlx4_port_type); |
| 3787 | } |
| 3788 | |
| 3789 | static const struct devlink_ops mlx4_devlink_ops = { |
| 3790 | .port_type_set = mlx4_devlink_port_type_set, |
| 3791 | }; |
| 3792 | |
Greg Kroah-Hartman | 1dd06ae | 2012-12-06 14:30:56 +0000 | [diff] [blame] | 3793 | 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] | 3794 | { |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3795 | struct devlink *devlink; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3796 | struct mlx4_priv *priv; |
| 3797 | struct mlx4_dev *dev; |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3798 | int ret; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3799 | |
Joe Perches | 0a645e8 | 2010-07-10 07:22:46 +0000 | [diff] [blame] | 3800 | printk_once(KERN_INFO "%s", mlx4_version); |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3801 | |
Jiri Pirko | b2facd9 | 2016-02-26 17:32:25 +0100 | [diff] [blame] | 3802 | devlink = devlink_alloc(&mlx4_devlink_ops, sizeof(*priv)); |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3803 | if (!devlink) |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3804 | return -ENOMEM; |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3805 | priv = devlink_priv(devlink); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3806 | |
| 3807 | dev = &priv->dev; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3808 | dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL); |
| 3809 | if (!dev->persist) { |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3810 | ret = -ENOMEM; |
| 3811 | goto err_devlink_free; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3812 | } |
| 3813 | dev->persist->pdev = pdev; |
| 3814 | dev->persist->dev = dev; |
| 3815 | pci_set_drvdata(pdev, dev->persist); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3816 | priv->pci_dev_data = id->driver_data; |
Yishai Hadas | f6bc11e | 2015-01-25 16:59:38 +0200 | [diff] [blame] | 3817 | mutex_init(&dev->persist->device_state_mutex); |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3818 | mutex_init(&dev->persist->interface_state_mutex); |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 3819 | mutex_init(&dev->persist->pci_status_mutex); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3820 | |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3821 | ret = devlink_register(devlink, &pdev->dev); |
| 3822 | if (ret) |
| 3823 | goto err_persist_free; |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 3824 | |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3825 | ret = __mlx4_init_one(pdev, id->driver_data, priv); |
| 3826 | if (ret) |
| 3827 | goto err_devlink_unregister; |
| 3828 | |
| 3829 | pci_save_state(pdev); |
| 3830 | return 0; |
| 3831 | |
| 3832 | err_devlink_unregister: |
| 3833 | devlink_unregister(devlink); |
| 3834 | err_persist_free: |
| 3835 | kfree(dev->persist); |
| 3836 | err_devlink_free: |
| 3837 | devlink_free(devlink); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3838 | return ret; |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3839 | } |
| 3840 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3841 | static void mlx4_clean_dev(struct mlx4_dev *dev) |
| 3842 | { |
| 3843 | struct mlx4_dev_persistent *persist = dev->persist; |
| 3844 | struct mlx4_priv *priv = mlx4_priv(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3845 | unsigned long flags = (dev->flags & RESET_PERSIST_MASK_FLAGS); |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3846 | |
| 3847 | memset(priv, 0, sizeof(*priv)); |
| 3848 | priv->dev.persist = persist; |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3849 | priv->dev.flags = flags; |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3850 | } |
| 3851 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3852 | static void mlx4_unload_one(struct pci_dev *pdev) |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3853 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3854 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3855 | struct mlx4_dev *dev = persist->dev; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3856 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3857 | int pci_dev_data; |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3858 | int p, i; |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3859 | |
| 3860 | if (priv->removed) |
| 3861 | return; |
| 3862 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3863 | /* saving current ports type for further use */ |
| 3864 | for (i = 0; i < dev->caps.num_ports; i++) { |
| 3865 | dev->persist->curr_port_type[i] = dev->caps.port_type[i + 1]; |
| 3866 | dev->persist->curr_port_poss_type[i] = dev->caps. |
| 3867 | possible_type[i + 1]; |
| 3868 | } |
| 3869 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3870 | pci_dev_data = priv->pci_dev_data; |
| 3871 | |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3872 | mlx4_stop_sense(dev); |
| 3873 | mlx4_unregister_device(dev); |
| 3874 | |
| 3875 | for (p = 1; p <= dev->caps.num_ports; p++) { |
| 3876 | mlx4_cleanup_port_info(&priv->port[p]); |
| 3877 | mlx4_CLOSE_PORT(dev, p); |
| 3878 | } |
| 3879 | |
| 3880 | if (mlx4_is_master(dev)) |
| 3881 | mlx4_free_resource_tracker(dev, |
| 3882 | RES_TR_FREE_SLAVES_ONLY); |
| 3883 | |
Eran Ben Elisha | 6de5f7f | 2015-06-15 17:59:02 +0300 | [diff] [blame] | 3884 | mlx4_cleanup_default_counters(dev); |
Eran Ben Elisha | 2632d18 | 2015-06-15 17:58:59 +0300 | [diff] [blame] | 3885 | if (!mlx4_is_slave(dev)) |
| 3886 | mlx4_cleanup_counters_table(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3887 | mlx4_cleanup_qp_table(dev); |
| 3888 | mlx4_cleanup_srq_table(dev); |
| 3889 | mlx4_cleanup_cq_table(dev); |
| 3890 | mlx4_cmd_use_polling(dev); |
| 3891 | mlx4_cleanup_eq_table(dev); |
| 3892 | mlx4_cleanup_mcg_table(dev); |
| 3893 | mlx4_cleanup_mr_table(dev); |
| 3894 | mlx4_cleanup_xrcd_table(dev); |
| 3895 | mlx4_cleanup_pd_table(dev); |
| 3896 | |
| 3897 | if (mlx4_is_master(dev)) |
| 3898 | mlx4_free_resource_tracker(dev, |
| 3899 | RES_TR_FREE_STRUCTS_ONLY); |
| 3900 | |
| 3901 | iounmap(priv->kar); |
| 3902 | mlx4_uar_free(dev, &priv->driver_uar); |
| 3903 | mlx4_cleanup_uar_table(dev); |
| 3904 | if (!mlx4_is_slave(dev)) |
| 3905 | mlx4_clear_steering(dev); |
| 3906 | mlx4_free_eq_table(dev); |
| 3907 | if (mlx4_is_master(dev)) |
| 3908 | mlx4_multi_func_cleanup(dev); |
| 3909 | mlx4_close_hca(dev); |
Matan Barak | a0eacca | 2014-11-13 14:45:30 +0200 | [diff] [blame] | 3910 | mlx4_close_fw(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3911 | if (mlx4_is_slave(dev)) |
| 3912 | mlx4_multi_func_cleanup(dev); |
Matan Barak | ffc39f6 | 2014-11-13 14:45:29 +0200 | [diff] [blame] | 3913 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3914 | |
| 3915 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 3916 | pci_disable_msix(pdev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3917 | |
| 3918 | if (!mlx4_is_slave(dev)) |
| 3919 | mlx4_free_ownership(dev); |
| 3920 | |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3921 | kfree(dev->caps.qp0_qkey); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3922 | kfree(dev->caps.qp0_tunnel); |
| 3923 | kfree(dev->caps.qp0_proxy); |
| 3924 | kfree(dev->caps.qp1_tunnel); |
| 3925 | kfree(dev->caps.qp1_proxy); |
| 3926 | kfree(dev->dev_vfs); |
| 3927 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3928 | mlx4_clean_dev(dev); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3929 | priv->pci_dev_data = pci_dev_data; |
| 3930 | priv->removed = 1; |
| 3931 | } |
| 3932 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 3933 | static void mlx4_remove_one(struct pci_dev *pdev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3934 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3935 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3936 | struct mlx4_dev *dev = persist->dev; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3937 | struct mlx4_priv *priv = mlx4_priv(dev); |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3938 | struct devlink *devlink = priv_to_devlink(priv); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3939 | int active_vfs = 0; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3940 | |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3941 | mutex_lock(&persist->interface_state_mutex); |
| 3942 | persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; |
| 3943 | mutex_unlock(&persist->interface_state_mutex); |
| 3944 | |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3945 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
| 3946 | if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) { |
| 3947 | active_vfs = mlx4_how_many_lives_vf(dev); |
| 3948 | if (active_vfs) { |
| 3949 | pr_warn("Removing PF when there are active VF's !!\n"); |
| 3950 | pr_warn("Will not disable SR-IOV.\n"); |
| 3951 | } |
| 3952 | } |
| 3953 | |
Yishai Hadas | c69453e | 2015-01-25 16:59:40 +0200 | [diff] [blame] | 3954 | /* device marked to be under deletion running now without the lock |
| 3955 | * letting other tasks to be terminated |
| 3956 | */ |
| 3957 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
| 3958 | mlx4_unload_one(pdev); |
| 3959 | else |
| 3960 | mlx4_info(dev, "%s: interface is down\n", __func__); |
Yishai Hadas | ad9a0bf | 2015-01-25 16:59:37 +0200 | [diff] [blame] | 3961 | mlx4_catas_end(dev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 3962 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
| 3963 | mlx4_warn(dev, "Disabling SR-IOV\n"); |
| 3964 | pci_disable_sriov(pdev); |
| 3965 | } |
| 3966 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3967 | pci_release_regions(pdev); |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 3968 | mlx4_pci_disable_device(dev); |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3969 | devlink_unregister(devlink); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3970 | kfree(dev->persist); |
Jiri Pirko | 09d4d08 | 2016-02-26 17:32:24 +0100 | [diff] [blame] | 3971 | devlink_free(devlink); |
Wei Yang | befdf89 | 2014-04-14 09:51:19 +0800 | [diff] [blame] | 3972 | pci_set_drvdata(pdev, NULL); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 3973 | } |
| 3974 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 3975 | static int restore_current_port_types(struct mlx4_dev *dev, |
| 3976 | enum mlx4_port_type *types, |
| 3977 | enum mlx4_port_type *poss_types) |
| 3978 | { |
| 3979 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3980 | int err, i; |
| 3981 | |
| 3982 | mlx4_stop_sense(dev); |
| 3983 | |
| 3984 | mutex_lock(&priv->port_mutex); |
| 3985 | for (i = 0; i < dev->caps.num_ports; i++) |
| 3986 | dev->caps.possible_type[i + 1] = poss_types[i]; |
| 3987 | err = mlx4_change_port_types(dev, types); |
| 3988 | mlx4_start_sense(dev); |
| 3989 | mutex_unlock(&priv->port_mutex); |
| 3990 | |
| 3991 | return err; |
| 3992 | } |
| 3993 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 3994 | int mlx4_restart_one(struct pci_dev *pdev) |
| 3995 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 3996 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 3997 | struct mlx4_dev *dev = persist->dev; |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 3998 | struct mlx4_priv *priv = mlx4_priv(dev); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 3999 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 4000 | int pci_dev_data, err, total_vfs; |
Roland Dreier | 839f124 | 2012-09-27 09:23:41 -0700 | [diff] [blame] | 4001 | |
| 4002 | pci_dev_data = priv->pci_dev_data; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 4003 | total_vfs = dev->persist->num_vfs; |
| 4004 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 4005 | |
| 4006 | mlx4_unload_one(pdev); |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 4007 | 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] | 4008 | if (err) { |
| 4009 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", |
| 4010 | __func__, pci_name(pdev), err); |
| 4011 | return err; |
| 4012 | } |
| 4013 | |
Yishai Hadas | dd0eefe | 2015-01-25 16:59:36 +0200 | [diff] [blame] | 4014 | err = restore_current_port_types(dev, dev->persist->curr_port_type, |
| 4015 | dev->persist->curr_port_poss_type); |
| 4016 | if (err) |
| 4017 | mlx4_err(dev, "could not restore original port types (%d)\n", |
| 4018 | err); |
| 4019 | |
Majd Dibbiny | e1c00e1 | 2014-09-30 12:03:48 +0300 | [diff] [blame] | 4020 | return err; |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 4021 | } |
| 4022 | |
Bjorn Helgaas | d2f1000 | 2017-04-04 19:32:04 +0000 | [diff] [blame] | 4023 | #define MLX_SP(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_FORCE_SENSE_PORT } |
| 4024 | #define MLX_VF(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_IS_VF } |
| 4025 | #define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 } |
| 4026 | |
Benoit Taine | 9baa3c3 | 2014-08-08 15:56:03 +0200 | [diff] [blame] | 4027 | static const struct pci_device_id mlx4_pci_table[] = { |
Bjorn Helgaas | d2f1000 | 2017-04-04 19:32:04 +0000 | [diff] [blame] | 4028 | /* MT25408 "Hermon" */ |
| 4029 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_SDR), /* SDR */ |
| 4030 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR), /* DDR */ |
| 4031 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR), /* QDR */ |
| 4032 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR_GEN2), /* DDR Gen2 */ |
| 4033 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR_GEN2), /* QDR Gen2 */ |
| 4034 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN), /* EN 10GigE */ |
| 4035 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN_GEN2), /* EN 10GigE Gen2 */ |
| 4036 | /* MT25458 ConnectX EN 10GBASE-T */ |
| 4037 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN), |
| 4038 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_T_GEN2), /* Gen2 */ |
| 4039 | /* MT26468 ConnectX EN 10GigE PCIe Gen2*/ |
| 4040 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_GEN2), |
| 4041 | /* MT26438 ConnectX EN 40GigE PCIe Gen2 5GT/s */ |
| 4042 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_5_GEN2), |
| 4043 | /* MT26478 ConnectX2 40GigE PCIe Gen2 */ |
| 4044 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX2), |
| 4045 | /* MT25400 Family [ConnectX-2] */ |
| 4046 | MLX_VF(0x1002), /* Virtual Function */ |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 4047 | /* MT27500 Family [ConnectX-3] */ |
Bjorn Helgaas | d2f1000 | 2017-04-04 19:32:04 +0000 | [diff] [blame] | 4048 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3), |
| 4049 | MLX_VF(0x1004), /* Virtual Function */ |
| 4050 | MLX_GN(0x1005), /* MT27510 Family */ |
| 4051 | MLX_GN(0x1006), /* MT27511 Family */ |
| 4052 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3_PRO), /* MT27520 Family */ |
| 4053 | MLX_GN(0x1008), /* MT27521 Family */ |
| 4054 | MLX_GN(0x1009), /* MT27530 Family */ |
| 4055 | MLX_GN(0x100a), /* MT27531 Family */ |
| 4056 | MLX_GN(0x100b), /* MT27540 Family */ |
| 4057 | MLX_GN(0x100c), /* MT27541 Family */ |
| 4058 | MLX_GN(0x100d), /* MT27550 Family */ |
| 4059 | MLX_GN(0x100e), /* MT27551 Family */ |
| 4060 | MLX_GN(0x100f), /* MT27560 Family */ |
| 4061 | MLX_GN(0x1010), /* MT27561 Family */ |
| 4062 | |
| 4063 | /* |
| 4064 | * See the mellanox_check_broken_intx_masking() quirk when |
| 4065 | * adding devices |
| 4066 | */ |
| 4067 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4068 | { 0, } |
| 4069 | }; |
| 4070 | |
| 4071 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); |
| 4072 | |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4073 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
| 4074 | pci_channel_state_t state) |
| 4075 | { |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4076 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4077 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4078 | mlx4_err(persist->dev, "mlx4_pci_err_detected was called\n"); |
| 4079 | mlx4_enter_error_state(persist); |
| 4080 | |
| 4081 | mutex_lock(&persist->interface_state_mutex); |
| 4082 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
| 4083 | mlx4_unload_one(pdev); |
| 4084 | |
| 4085 | mutex_unlock(&persist->interface_state_mutex); |
| 4086 | if (state == pci_channel_io_perm_failure) |
| 4087 | return PCI_ERS_RESULT_DISCONNECT; |
| 4088 | |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 4089 | mlx4_pci_disable_device(persist->dev); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4090 | return PCI_ERS_RESULT_NEED_RESET; |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4091 | } |
| 4092 | |
| 4093 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) |
| 4094 | { |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4095 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 4096 | struct mlx4_dev *dev = persist->dev; |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4097 | int err; |
Wei Yang | 97a5221 | 2014-03-27 09:28:31 +0800 | [diff] [blame] | 4098 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4099 | mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); |
Daniel Jurgens | 4bfd2e6 | 2016-04-20 16:01:16 +0300 | [diff] [blame] | 4100 | err = mlx4_pci_enable_device(dev); |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4101 | if (err) { |
| 4102 | mlx4_err(dev, "Can not re-enable device, err=%d\n", err); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4103 | return PCI_ERS_RESULT_DISCONNECT; |
| 4104 | } |
| 4105 | |
| 4106 | pci_set_master(pdev); |
| 4107 | pci_restore_state(pdev); |
| 4108 | pci_save_state(pdev); |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4109 | return PCI_ERS_RESULT_RECOVERED; |
| 4110 | } |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4111 | |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4112 | static void mlx4_pci_resume(struct pci_dev *pdev) |
| 4113 | { |
| 4114 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 4115 | struct mlx4_dev *dev = persist->dev; |
| 4116 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4117 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
| 4118 | int total_vfs; |
| 4119 | int err; |
| 4120 | |
| 4121 | mlx4_err(dev, "%s was called\n", __func__); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4122 | total_vfs = dev->persist->num_vfs; |
| 4123 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); |
| 4124 | |
| 4125 | mutex_lock(&persist->interface_state_mutex); |
| 4126 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4127 | err = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, |
Yishai Hadas | 55ad359 | 2015-01-25 16:59:42 +0200 | [diff] [blame] | 4128 | priv, 1); |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4129 | if (err) { |
| 4130 | mlx4_err(dev, "%s: mlx4_load_one failed, err=%d\n", |
| 4131 | __func__, err); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4132 | goto end; |
| 4133 | } |
| 4134 | |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4135 | err = restore_current_port_types(dev, dev->persist-> |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4136 | curr_port_type, dev->persist-> |
| 4137 | curr_port_poss_type); |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4138 | if (err) |
| 4139 | mlx4_err(dev, "could not restore original port types (%d)\n", err); |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4140 | } |
| 4141 | end: |
| 4142 | mutex_unlock(&persist->interface_state_mutex); |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4143 | |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4144 | } |
| 4145 | |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4146 | static void mlx4_shutdown(struct pci_dev *pdev) |
| 4147 | { |
| 4148 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
| 4149 | |
| 4150 | mlx4_info(persist->dev, "mlx4_shutdown was called\n"); |
| 4151 | mutex_lock(&persist->interface_state_mutex); |
Tariq Toukan | b435370 | 2016-11-27 19:20:51 +0200 | [diff] [blame] | 4152 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4153 | mlx4_unload_one(pdev); |
| 4154 | mutex_unlock(&persist->interface_state_mutex); |
| 4155 | } |
| 4156 | |
Stephen Hemminger | 3646f0e | 2012-09-07 09:33:15 -0700 | [diff] [blame] | 4157 | static const struct pci_error_handlers mlx4_err_handler = { |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4158 | .error_detected = mlx4_pci_err_detected, |
| 4159 | .slot_reset = mlx4_pci_slot_reset, |
Daniel Jurgens | c12833a | 2016-04-20 16:01:15 +0300 | [diff] [blame] | 4160 | .resume = mlx4_pci_resume, |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4161 | }; |
| 4162 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4163 | static struct pci_driver mlx4_driver = { |
| 4164 | .name = DRV_NAME, |
| 4165 | .id_table = mlx4_pci_table, |
| 4166 | .probe = mlx4_init_one, |
Yishai Hadas | 2ba5fbd | 2015-01-25 16:59:41 +0200 | [diff] [blame] | 4167 | .shutdown = mlx4_shutdown, |
Bill Pemberton | f57e684 | 2012-12-03 09:23:15 -0500 | [diff] [blame] | 4168 | .remove = mlx4_remove_one, |
Kleber Sacilotto de Souza | 57dbf29 | 2012-07-20 09:55:43 +0000 | [diff] [blame] | 4169 | .err_handler = &mlx4_err_handler, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4170 | }; |
| 4171 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4172 | static int __init mlx4_verify_params(void) |
| 4173 | { |
| 4174 | if ((log_num_mac < 0) || (log_num_mac > 7)) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 4175 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4176 | return -1; |
| 4177 | } |
| 4178 | |
Or Gerlitz | cb29688 | 2011-10-16 10:26:21 +0200 | [diff] [blame] | 4179 | if (log_num_vlan != 0) |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 4180 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
| 4181 | MLX4_LOG_NUM_VLANS); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4182 | |
Amir Vadai | ecc8fb1 | 2014-05-22 15:55:39 +0300 | [diff] [blame] | 4183 | if (use_prio != 0) |
| 4184 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4185 | |
Eli Cohen | 0498628 | 2010-09-20 08:42:38 +0200 | [diff] [blame] | 4186 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 4187 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
| 4188 | log_mtts_per_seg); |
Eli Cohen | ab6bf42 | 2009-05-27 14:38:34 -0700 | [diff] [blame] | 4189 | return -1; |
| 4190 | } |
| 4191 | |
Jack Morgenstein | ab9c17a | 2011-12-13 04:18:30 +0000 | [diff] [blame] | 4192 | /* Check if module param for ports type has legal combination */ |
| 4193 | if (port_type_array[0] == false && port_type_array[1] == true) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 4194 | 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] | 4195 | port_type_array[0] = true; |
| 4196 | } |
| 4197 | |
Matan Barak | 7d077cd | 2014-12-11 10:58:00 +0200 | [diff] [blame] | 4198 | if (mlx4_log_num_mgm_entry_size < -7 || |
| 4199 | (mlx4_log_num_mgm_entry_size > 0 && |
| 4200 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || |
| 4201 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE))) { |
| 4202 | 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] | 4203 | mlx4_log_num_mgm_entry_size, |
| 4204 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, |
| 4205 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); |
Jack Morgenstein | 3c439b5 | 2012-12-06 17:12:00 +0000 | [diff] [blame] | 4206 | return -1; |
| 4207 | } |
| 4208 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4209 | return 0; |
| 4210 | } |
| 4211 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4212 | static int __init mlx4_init(void) |
| 4213 | { |
| 4214 | int ret; |
| 4215 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 4216 | if (mlx4_verify_params()) |
| 4217 | return -EINVAL; |
| 4218 | |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 4219 | |
| 4220 | mlx4_wq = create_singlethread_workqueue("mlx4"); |
| 4221 | if (!mlx4_wq) |
| 4222 | return -ENOMEM; |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 4223 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4224 | ret = pci_register_driver(&mlx4_driver); |
Wei Yang | 1b85ee0 | 2013-12-03 10:04:10 +0800 | [diff] [blame] | 4225 | if (ret < 0) |
| 4226 | destroy_workqueue(mlx4_wq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4227 | return ret < 0 ? ret : 0; |
| 4228 | } |
| 4229 | |
| 4230 | static void __exit mlx4_cleanup(void) |
| 4231 | { |
| 4232 | pci_unregister_driver(&mlx4_driver); |
Yevgeny Petrilin | 27bf91d | 2009-03-18 19:45:11 -0700 | [diff] [blame] | 4233 | destroy_workqueue(mlx4_wq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 4234 | } |
| 4235 | |
| 4236 | module_init(mlx4_init); |
| 4237 | module_exit(mlx4_cleanup); |