blob: 018348c011933b1240153f24ee95ba836c83c22c [file] [log] [blame]
Roland Dreier225c7b12007-05-08 18:00:38 -07001/*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
Jack Morgenstein51a379d2008-07-25 10:32:52 -07004 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
Roland Dreier225c7b12007-05-08 18:00:38 -07005 * 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>
41
42#include <linux/mlx4/device.h>
43#include <linux/mlx4/doorbell.h>
44
45#include "mlx4.h"
46#include "fw.h"
47#include "icm.h"
48
49MODULE_AUTHOR("Roland Dreier");
50MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
51MODULE_LICENSE("Dual BSD/GPL");
52MODULE_VERSION(DRV_VERSION);
53
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -070054struct workqueue_struct *mlx4_wq;
55
Roland Dreier225c7b12007-05-08 18:00:38 -070056#ifdef CONFIG_MLX4_DEBUG
57
58int mlx4_debug_level = 0;
59module_param_named(debug_level, mlx4_debug_level, int, 0644);
60MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
61
62#endif /* CONFIG_MLX4_DEBUG */
63
64#ifdef CONFIG_PCI_MSI
65
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +030066static int msi_x = 1;
Roland Dreier225c7b12007-05-08 18:00:38 -070067module_param(msi_x, int, 0444);
68MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
69
70#else /* CONFIG_PCI_MSI */
71
72#define msi_x (0)
73
74#endif /* CONFIG_PCI_MSI */
75
Roland Dreierf33afc22008-02-04 20:20:44 -080076static char mlx4_version[] __devinitdata =
Roland Dreier225c7b12007-05-08 18:00:38 -070077 DRV_NAME ": Mellanox ConnectX core driver v"
78 DRV_VERSION " (" DRV_RELDATE ")\n";
79
80static struct mlx4_profile default_profile = {
Jack Morgenstein9b1f3852008-04-16 21:09:32 -070081 .num_qp = 1 << 17,
Roland Dreier225c7b12007-05-08 18:00:38 -070082 .num_srq = 1 << 16,
Jack Morgensteinc9f2ba52007-07-17 13:11:43 +030083 .rdmarc_per_qp = 1 << 4,
Roland Dreier225c7b12007-05-08 18:00:38 -070084 .num_cq = 1 << 16,
85 .num_mcg = 1 << 13,
86 .num_mpt = 1 << 17,
87 .num_mtt = 1 << 20,
88};
89
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -070090static int log_num_mac = 2;
91module_param_named(log_num_mac, log_num_mac, int, 0444);
92MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
93
94static int log_num_vlan;
95module_param_named(log_num_vlan, log_num_vlan, int, 0444);
96MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
97
98static int use_prio;
99module_param_named(use_prio, use_prio, bool, 0444);
100MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
101 "(0/1, default 0)");
102
Eli Cohenab6bf422009-05-27 14:38:34 -0700103static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
104module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
105MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
106
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700107int mlx4_check_port_params(struct mlx4_dev *dev,
108 enum mlx4_port_type *port_type)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700109{
110 int i;
111
112 for (i = 0; i < dev->caps.num_ports - 1; i++) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700113 if (port_type[i] != port_type[i + 1]) {
114 if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
115 mlx4_err(dev, "Only same port types supported "
116 "on this HCA, aborting.\n");
117 return -EINVAL;
118 }
119 if (port_type[i] == MLX4_PORT_TYPE_ETH &&
120 port_type[i + 1] == MLX4_PORT_TYPE_IB)
121 return -EINVAL;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700122 }
123 }
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700124
125 for (i = 0; i < dev->caps.num_ports; i++) {
126 if (!(port_type[i] & dev->caps.supported_type[i+1])) {
127 mlx4_err(dev, "Requested port type for port %d is not "
128 "supported on this HCA\n", i + 1);
129 return -EINVAL;
130 }
131 }
132 return 0;
133}
134
135static void mlx4_set_port_mask(struct mlx4_dev *dev)
136{
137 int i;
138
139 dev->caps.port_mask = 0;
140 for (i = 1; i <= dev->caps.num_ports; ++i)
141 if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB)
142 dev->caps.port_mask |= 1 << (i - 1);
143}
Roland Dreier3d73c282007-10-10 15:43:54 -0700144static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
Roland Dreier225c7b12007-05-08 18:00:38 -0700145{
146 int err;
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700147 int i;
Roland Dreier225c7b12007-05-08 18:00:38 -0700148
149 err = mlx4_QUERY_DEV_CAP(dev, dev_cap);
150 if (err) {
151 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
152 return err;
153 }
154
155 if (dev_cap->min_page_sz > PAGE_SIZE) {
156 mlx4_err(dev, "HCA minimum page size of %d bigger than "
157 "kernel PAGE_SIZE of %ld, aborting.\n",
158 dev_cap->min_page_sz, PAGE_SIZE);
159 return -ENODEV;
160 }
161 if (dev_cap->num_ports > MLX4_MAX_PORTS) {
162 mlx4_err(dev, "HCA has %d ports, but we only support %d, "
163 "aborting.\n",
164 dev_cap->num_ports, MLX4_MAX_PORTS);
165 return -ENODEV;
166 }
167
168 if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) {
169 mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than "
170 "PCI resource 2 size of 0x%llx, aborting.\n",
171 dev_cap->uar_size,
172 (unsigned long long) pci_resource_len(dev->pdev, 2));
173 return -ENODEV;
174 }
175
176 dev->caps.num_ports = dev_cap->num_ports;
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700177 for (i = 1; i <= dev->caps.num_ports; ++i) {
178 dev->caps.vl_cap[i] = dev_cap->max_vl[i];
Yevgeny Petrilinb79acb42008-10-22 10:56:48 -0700179 dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i];
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700180 dev->caps.gid_table_len[i] = dev_cap->max_gids[i];
181 dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
182 dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
Yevgeny Petrilinb79acb42008-10-22 10:56:48 -0700183 dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i];
184 dev->caps.def_mac[i] = dev_cap->def_mac[i];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700185 dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700186 }
187
Roland Dreier225c7b12007-05-08 18:00:38 -0700188 dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE;
Roland Dreier225c7b12007-05-08 18:00:38 -0700189 dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay;
190 dev->caps.bf_reg_size = dev_cap->bf_reg_size;
191 dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page;
192 dev->caps.max_sq_sg = dev_cap->max_sq_sg;
193 dev->caps.max_rq_sg = dev_cap->max_rq_sg;
194 dev->caps.max_wqes = dev_cap->max_qp_sz;
195 dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp;
Roland Dreier225c7b12007-05-08 18:00:38 -0700196 dev->caps.max_srq_wqes = dev_cap->max_srq_sz;
197 dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1;
198 dev->caps.reserved_srqs = dev_cap->reserved_srqs;
199 dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz;
200 dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
201 dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM;
202 /*
203 * Subtract 1 from the limit because we need to allocate a
204 * spare CQE so the HCA HW can tell the difference between an
205 * empty CQ and a full CQ.
206 */
207 dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
208 dev->caps.reserved_cqs = dev_cap->reserved_cqs;
209 dev->caps.reserved_eqs = dev_cap->reserved_eqs;
Eli Cohenab6bf422009-05-27 14:38:34 -0700210 dev->caps.mtts_per_seg = 1 << log_mtts_per_seg;
Roland Dreier121964e2007-10-09 19:59:16 -0700211 dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts,
Eli Cohenab6bf422009-05-27 14:38:34 -0700212 dev->caps.mtts_per_seg);
Roland Dreier225c7b12007-05-08 18:00:38 -0700213 dev->caps.reserved_mrws = dev_cap->reserved_mrws;
214 dev->caps.reserved_uars = dev_cap->reserved_uars;
215 dev->caps.reserved_pds = dev_cap->reserved_pds;
Eli Cohenab6bf422009-05-27 14:38:34 -0700216 dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz;
Dotan Barak149983af2007-06-26 15:55:28 +0300217 dev->caps.max_msg_sz = dev_cap->max_msg_sz;
Roland Dreier225c7b12007-05-08 18:00:38 -0700218 dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
219 dev->caps.flags = dev_cap->flags;
Roland Dreier95d04f02008-07-23 08:12:26 -0700220 dev->caps.bmme_flags = dev_cap->bmme_flags;
221 dev->caps.reserved_lkey = dev_cap->reserved_lkey;
Roland Dreier225c7b12007-05-08 18:00:38 -0700222 dev->caps.stat_rate_support = dev_cap->stat_rate_support;
Eli Cohenb832be12008-04-16 21:09:27 -0700223 dev->caps.max_gso_sz = dev_cap->max_gso_sz;
Roland Dreier225c7b12007-05-08 18:00:38 -0700224
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700225 dev->caps.log_num_macs = log_num_mac;
226 dev->caps.log_num_vlans = log_num_vlan;
227 dev->caps.log_num_prios = use_prio ? 3 : 0;
228
229 for (i = 1; i <= dev->caps.num_ports; ++i) {
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700230 if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH)
231 dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
232 else
233 dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700234 dev->caps.possible_type[i] = dev->caps.port_type[i];
235 mlx4_priv(dev)->sense.sense_allowed[i] =
236 dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700237
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700238 if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
239 dev->caps.log_num_macs = dev_cap->log_max_macs[i];
240 mlx4_warn(dev, "Requested number of MACs is too much "
241 "for port %d, reducing to %d.\n",
242 i, 1 << dev->caps.log_num_macs);
243 }
244 if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) {
245 dev->caps.log_num_vlans = dev_cap->log_max_vlans[i];
246 mlx4_warn(dev, "Requested number of VLANs is too much "
247 "for port %d, reducing to %d.\n",
248 i, 1 << dev->caps.log_num_vlans);
249 }
250 }
251
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700252 mlx4_set_port_mask(dev);
253
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700254 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
255 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
256 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
257 (1 << dev->caps.log_num_macs) *
258 (1 << dev->caps.log_num_vlans) *
259 (1 << dev->caps.log_num_prios) *
260 dev->caps.num_ports;
261 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH;
262
263 dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] +
264 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] +
265 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
266 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
267
Roland Dreier225c7b12007-05-08 18:00:38 -0700268 return 0;
269}
270
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700271/*
272 * Change the port configuration of the device.
273 * Every user of this function must hold the port mutex.
274 */
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700275int mlx4_change_port_types(struct mlx4_dev *dev,
276 enum mlx4_port_type *port_types)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700277{
278 int err = 0;
279 int change = 0;
280 int port;
281
282 for (port = 0; port < dev->caps.num_ports; port++) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700283 /* Change the port type only if the new type is different
284 * from the current, and not set to Auto */
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700285 if (port_types[port] != dev->caps.port_type[port + 1]) {
286 change = 1;
287 dev->caps.port_type[port + 1] = port_types[port];
288 }
289 }
290 if (change) {
291 mlx4_unregister_device(dev);
292 for (port = 1; port <= dev->caps.num_ports; port++) {
293 mlx4_CLOSE_PORT(dev, port);
294 err = mlx4_SET_PORT(dev, port);
295 if (err) {
296 mlx4_err(dev, "Failed to set port %d, "
297 "aborting\n", port);
298 goto out;
299 }
300 }
301 mlx4_set_port_mask(dev);
302 err = mlx4_register_device(dev);
303 }
304
305out:
306 return err;
307}
308
309static ssize_t show_port_type(struct device *dev,
310 struct device_attribute *attr,
311 char *buf)
312{
313 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
314 port_attr);
315 struct mlx4_dev *mdev = info->dev;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700316 char type[8];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700317
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700318 sprintf(type, "%s",
319 (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ?
320 "ib" : "eth");
321 if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO)
322 sprintf(buf, "auto (%s)\n", type);
323 else
324 sprintf(buf, "%s\n", type);
325
326 return strlen(buf);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700327}
328
329static ssize_t set_port_type(struct device *dev,
330 struct device_attribute *attr,
331 const char *buf, size_t count)
332{
333 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
334 port_attr);
335 struct mlx4_dev *mdev = info->dev;
336 struct mlx4_priv *priv = mlx4_priv(mdev);
337 enum mlx4_port_type types[MLX4_MAX_PORTS];
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700338 enum mlx4_port_type new_types[MLX4_MAX_PORTS];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700339 int i;
340 int err = 0;
341
342 if (!strcmp(buf, "ib\n"))
343 info->tmp_type = MLX4_PORT_TYPE_IB;
344 else if (!strcmp(buf, "eth\n"))
345 info->tmp_type = MLX4_PORT_TYPE_ETH;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700346 else if (!strcmp(buf, "auto\n"))
347 info->tmp_type = MLX4_PORT_TYPE_AUTO;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700348 else {
349 mlx4_err(mdev, "%s is not supported port type\n", buf);
350 return -EINVAL;
351 }
352
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700353 mlx4_stop_sense(mdev);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700354 mutex_lock(&priv->port_mutex);
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700355 /* Possible type is always the one that was delivered */
356 mdev->caps.possible_type[info->port] = info->tmp_type;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700357
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700358 for (i = 0; i < mdev->caps.num_ports; i++) {
359 types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
360 mdev->caps.possible_type[i+1];
361 if (types[i] == MLX4_PORT_TYPE_AUTO)
362 types[i] = mdev->caps.port_type[i+1];
363 }
364
365 if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
366 for (i = 1; i <= mdev->caps.num_ports; i++) {
367 if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
368 mdev->caps.possible_type[i] = mdev->caps.port_type[i];
369 err = -EINVAL;
370 }
371 }
372 }
373 if (err) {
374 mlx4_err(mdev, "Auto sensing is not supported on this HCA. "
375 "Set only 'eth' or 'ib' for both ports "
376 "(should be the same)\n");
377 goto out;
378 }
379
380 mlx4_do_sense_ports(mdev, new_types, types);
381
382 err = mlx4_check_port_params(mdev, new_types);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700383 if (err)
384 goto out;
385
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700386 /* We are about to apply the changes after the configuration
387 * was verified, no need to remember the temporary types
388 * any more */
389 for (i = 0; i < mdev->caps.num_ports; i++)
390 priv->port[i + 1].tmp_type = 0;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700391
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700392 err = mlx4_change_port_types(mdev, new_types);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700393
394out:
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700395 mlx4_start_sense(mdev);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700396 mutex_unlock(&priv->port_mutex);
397 return err ? err : count;
398}
399
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800400static int mlx4_load_fw(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700401{
402 struct mlx4_priv *priv = mlx4_priv(dev);
403 int err;
404
405 priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300406 GFP_HIGHUSER | __GFP_NOWARN, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700407 if (!priv->fw.fw_icm) {
408 mlx4_err(dev, "Couldn't allocate FW area, aborting.\n");
409 return -ENOMEM;
410 }
411
412 err = mlx4_MAP_FA(dev, priv->fw.fw_icm);
413 if (err) {
414 mlx4_err(dev, "MAP_FA command failed, aborting.\n");
415 goto err_free;
416 }
417
418 err = mlx4_RUN_FW(dev);
419 if (err) {
420 mlx4_err(dev, "RUN_FW command failed, aborting.\n");
421 goto err_unmap_fa;
422 }
423
424 return 0;
425
426err_unmap_fa:
427 mlx4_UNMAP_FA(dev);
428
429err_free:
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300430 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700431 return err;
432}
433
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800434static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
435 int cmpt_entry_sz)
Roland Dreier225c7b12007-05-08 18:00:38 -0700436{
437 struct mlx4_priv *priv = mlx4_priv(dev);
438 int err;
439
440 err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table,
441 cmpt_base +
442 ((u64) (MLX4_CMPT_TYPE_QP *
443 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
444 cmpt_entry_sz, dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700445 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
446 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700447 if (err)
448 goto err;
449
450 err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table,
451 cmpt_base +
452 ((u64) (MLX4_CMPT_TYPE_SRQ *
453 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
454 cmpt_entry_sz, dev->caps.num_srqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300455 dev->caps.reserved_srqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700456 if (err)
457 goto err_qp;
458
459 err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table,
460 cmpt_base +
461 ((u64) (MLX4_CMPT_TYPE_CQ *
462 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
463 cmpt_entry_sz, dev->caps.num_cqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300464 dev->caps.reserved_cqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700465 if (err)
466 goto err_srq;
467
468 err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table,
469 cmpt_base +
470 ((u64) (MLX4_CMPT_TYPE_EQ *
471 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
472 cmpt_entry_sz,
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800473 dev->caps.num_eqs, dev->caps.num_eqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700474 if (err)
475 goto err_cq;
476
477 return 0;
478
479err_cq:
480 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
481
482err_srq:
483 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
484
485err_qp:
486 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
487
488err:
489 return err;
490}
491
Roland Dreier3d73c282007-10-10 15:43:54 -0700492static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
493 struct mlx4_init_hca_param *init_hca, u64 icm_size)
Roland Dreier225c7b12007-05-08 18:00:38 -0700494{
495 struct mlx4_priv *priv = mlx4_priv(dev);
496 u64 aux_pages;
497 int err;
498
499 err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages);
500 if (err) {
501 mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n");
502 return err;
503 }
504
505 mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n",
506 (unsigned long long) icm_size >> 10,
507 (unsigned long long) aux_pages << 2);
508
509 priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300510 GFP_HIGHUSER | __GFP_NOWARN, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700511 if (!priv->fw.aux_icm) {
512 mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n");
513 return -ENOMEM;
514 }
515
516 err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm);
517 if (err) {
518 mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n");
519 goto err_free_aux;
520 }
521
522 err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz);
523 if (err) {
524 mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n");
525 goto err_unmap_aux;
526 }
527
528 err = mlx4_map_eq_icm(dev, init_hca->eqc_base);
529 if (err) {
530 mlx4_err(dev, "Failed to map EQ context memory, aborting.\n");
531 goto err_unmap_cmpt;
532 }
533
Jack Morgensteind7bb58f2007-08-01 12:28:53 +0300534 /*
535 * Reserved MTT entries must be aligned up to a cacheline
536 * boundary, since the FW will write to them, while the driver
537 * writes to all other MTT entries. (The variable
538 * dev->caps.mtt_entry_sz below is really the MTT segment
539 * size, not the raw entry size)
540 */
541 dev->caps.reserved_mtts =
542 ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz,
543 dma_get_cache_alignment()) / dev->caps.mtt_entry_sz;
544
Roland Dreier225c7b12007-05-08 18:00:38 -0700545 err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table,
546 init_hca->mtt_base,
547 dev->caps.mtt_entry_sz,
548 dev->caps.num_mtt_segs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300549 dev->caps.reserved_mtts, 1, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700550 if (err) {
551 mlx4_err(dev, "Failed to map MTT context memory, aborting.\n");
552 goto err_unmap_eq;
553 }
554
555 err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table,
556 init_hca->dmpt_base,
557 dev_cap->dmpt_entry_sz,
558 dev->caps.num_mpts,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300559 dev->caps.reserved_mrws, 1, 1);
Roland Dreier225c7b12007-05-08 18:00:38 -0700560 if (err) {
561 mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n");
562 goto err_unmap_mtt;
563 }
564
565 err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table,
566 init_hca->qpc_base,
567 dev_cap->qpc_entry_sz,
568 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700569 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
570 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700571 if (err) {
572 mlx4_err(dev, "Failed to map QP context memory, aborting.\n");
573 goto err_unmap_dmpt;
574 }
575
576 err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table,
577 init_hca->auxc_base,
578 dev_cap->aux_entry_sz,
579 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700580 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
581 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700582 if (err) {
583 mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n");
584 goto err_unmap_qp;
585 }
586
587 err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table,
588 init_hca->altc_base,
589 dev_cap->altc_entry_sz,
590 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700591 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
592 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700593 if (err) {
594 mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n");
595 goto err_unmap_auxc;
596 }
597
598 err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table,
599 init_hca->rdmarc_base,
600 dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift,
601 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700602 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
603 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700604 if (err) {
605 mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n");
606 goto err_unmap_altc;
607 }
608
609 err = mlx4_init_icm_table(dev, &priv->cq_table.table,
610 init_hca->cqc_base,
611 dev_cap->cqc_entry_sz,
612 dev->caps.num_cqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300613 dev->caps.reserved_cqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700614 if (err) {
615 mlx4_err(dev, "Failed to map CQ context memory, aborting.\n");
616 goto err_unmap_rdmarc;
617 }
618
619 err = mlx4_init_icm_table(dev, &priv->srq_table.table,
620 init_hca->srqc_base,
621 dev_cap->srq_entry_sz,
622 dev->caps.num_srqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300623 dev->caps.reserved_srqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700624 if (err) {
625 mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n");
626 goto err_unmap_cq;
627 }
628
629 /*
630 * It's not strictly required, but for simplicity just map the
631 * whole multicast group table now. The table isn't very big
632 * and it's a lot easier than trying to track ref counts.
633 */
634 err = mlx4_init_icm_table(dev, &priv->mcg_table.table,
635 init_hca->mc_base, MLX4_MGM_ENTRY_SIZE,
636 dev->caps.num_mgms + dev->caps.num_amgms,
637 dev->caps.num_mgms + dev->caps.num_amgms,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300638 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700639 if (err) {
640 mlx4_err(dev, "Failed to map MCG context memory, aborting.\n");
641 goto err_unmap_srq;
642 }
643
644 return 0;
645
646err_unmap_srq:
647 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
648
649err_unmap_cq:
650 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
651
652err_unmap_rdmarc:
653 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
654
655err_unmap_altc:
656 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
657
658err_unmap_auxc:
659 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
660
661err_unmap_qp:
662 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
663
664err_unmap_dmpt:
665 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
666
667err_unmap_mtt:
668 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
669
670err_unmap_eq:
671 mlx4_unmap_eq_icm(dev);
672
673err_unmap_cmpt:
674 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
675 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
676 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
677 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
678
679err_unmap_aux:
680 mlx4_UNMAP_ICM_AUX(dev);
681
682err_free_aux:
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300683 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700684
685 return err;
686}
687
688static void mlx4_free_icms(struct mlx4_dev *dev)
689{
690 struct mlx4_priv *priv = mlx4_priv(dev);
691
692 mlx4_cleanup_icm_table(dev, &priv->mcg_table.table);
693 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
694 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
695 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
696 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
697 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
698 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
699 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
700 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
701 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
702 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
703 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
704 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
705 mlx4_unmap_eq_icm(dev);
706
707 mlx4_UNMAP_ICM_AUX(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300708 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700709}
710
711static void mlx4_close_hca(struct mlx4_dev *dev)
712{
713 mlx4_CLOSE_HCA(dev, 0);
714 mlx4_free_icms(dev);
715 mlx4_UNMAP_FA(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300716 mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700717}
718
Roland Dreier3d73c282007-10-10 15:43:54 -0700719static int mlx4_init_hca(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700720{
721 struct mlx4_priv *priv = mlx4_priv(dev);
722 struct mlx4_adapter adapter;
723 struct mlx4_dev_cap dev_cap;
Vladimir Sokolovsky2d928652008-07-14 23:48:53 -0700724 struct mlx4_mod_stat_cfg mlx4_cfg;
Roland Dreier225c7b12007-05-08 18:00:38 -0700725 struct mlx4_profile profile;
726 struct mlx4_init_hca_param init_hca;
727 u64 icm_size;
728 int err;
729
730 err = mlx4_QUERY_FW(dev);
731 if (err) {
732 mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
733 return err;
734 }
735
736 err = mlx4_load_fw(dev);
737 if (err) {
738 mlx4_err(dev, "Failed to start FW, aborting.\n");
739 return err;
740 }
741
Vladimir Sokolovsky2d928652008-07-14 23:48:53 -0700742 mlx4_cfg.log_pg_sz_m = 1;
743 mlx4_cfg.log_pg_sz = 0;
744 err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg);
745 if (err)
746 mlx4_warn(dev, "Failed to override log_pg_sz parameter\n");
747
Roland Dreier225c7b12007-05-08 18:00:38 -0700748 err = mlx4_dev_cap(dev, &dev_cap);
749 if (err) {
750 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
751 goto err_stop_fw;
752 }
753
754 profile = default_profile;
755
756 icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca);
757 if ((long long) icm_size < 0) {
758 err = icm_size;
759 goto err_stop_fw;
760 }
761
762 init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
763
764 err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
765 if (err)
766 goto err_stop_fw;
767
768 err = mlx4_INIT_HCA(dev, &init_hca);
769 if (err) {
770 mlx4_err(dev, "INIT_HCA command failed, aborting.\n");
771 goto err_free_icm;
772 }
773
774 err = mlx4_QUERY_ADAPTER(dev, &adapter);
775 if (err) {
776 mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n");
777 goto err_close;
778 }
779
780 priv->eq_table.inta_pin = adapter.inta_pin;
Jack Morgensteincd9281d2007-09-18 09:14:18 +0200781 memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
Roland Dreier225c7b12007-05-08 18:00:38 -0700782
783 return 0;
784
785err_close:
786 mlx4_close_hca(dev);
787
788err_free_icm:
789 mlx4_free_icms(dev);
790
791err_stop_fw:
792 mlx4_UNMAP_FA(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300793 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700794
795 return err;
796}
797
Roland Dreier3d73c282007-10-10 15:43:54 -0700798static int mlx4_setup_hca(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700799{
800 struct mlx4_priv *priv = mlx4_priv(dev);
801 int err;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700802 int port;
Jack Morgenstein9a5aa622008-11-28 21:29:46 -0800803 __be32 ib_port_default_caps;
Roland Dreier225c7b12007-05-08 18:00:38 -0700804
Roland Dreier225c7b12007-05-08 18:00:38 -0700805 err = mlx4_init_uar_table(dev);
806 if (err) {
807 mlx4_err(dev, "Failed to initialize "
808 "user access region table, aborting.\n");
809 return err;
810 }
811
812 err = mlx4_uar_alloc(dev, &priv->driver_uar);
813 if (err) {
814 mlx4_err(dev, "Failed to allocate driver access region, "
815 "aborting.\n");
816 goto err_uar_table_free;
817 }
818
819 priv->kar = ioremap(priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
820 if (!priv->kar) {
821 mlx4_err(dev, "Couldn't map kernel access region, "
822 "aborting.\n");
823 err = -ENOMEM;
824 goto err_uar_free;
825 }
826
827 err = mlx4_init_pd_table(dev);
828 if (err) {
829 mlx4_err(dev, "Failed to initialize "
830 "protection domain table, aborting.\n");
831 goto err_kar_unmap;
832 }
833
834 err = mlx4_init_mr_table(dev);
835 if (err) {
836 mlx4_err(dev, "Failed to initialize "
837 "memory region table, aborting.\n");
838 goto err_pd_table_free;
839 }
840
Roland Dreier225c7b12007-05-08 18:00:38 -0700841 err = mlx4_init_eq_table(dev);
842 if (err) {
843 mlx4_err(dev, "Failed to initialize "
844 "event queue table, aborting.\n");
Jack Morgensteinee49bd92007-07-12 17:50:45 +0300845 goto err_mr_table_free;
Roland Dreier225c7b12007-05-08 18:00:38 -0700846 }
847
848 err = mlx4_cmd_use_events(dev);
849 if (err) {
850 mlx4_err(dev, "Failed to switch to event-driven "
851 "firmware commands, aborting.\n");
852 goto err_eq_table_free;
853 }
854
855 err = mlx4_NOP(dev);
856 if (err) {
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300857 if (dev->flags & MLX4_FLAG_MSI_X) {
858 mlx4_warn(dev, "NOP command failed to generate MSI-X "
859 "interrupt IRQ %d).\n",
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800860 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300861 mlx4_warn(dev, "Trying again without MSI-X.\n");
862 } else {
863 mlx4_err(dev, "NOP command failed to generate interrupt "
864 "(IRQ %d), aborting.\n",
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800865 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
Roland Dreier225c7b12007-05-08 18:00:38 -0700866 mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300867 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700868
869 goto err_cmd_poll;
870 }
871
872 mlx4_dbg(dev, "NOP command IRQ test passed\n");
873
874 err = mlx4_init_cq_table(dev);
875 if (err) {
876 mlx4_err(dev, "Failed to initialize "
877 "completion queue table, aborting.\n");
878 goto err_cmd_poll;
879 }
880
881 err = mlx4_init_srq_table(dev);
882 if (err) {
883 mlx4_err(dev, "Failed to initialize "
884 "shared receive queue table, aborting.\n");
885 goto err_cq_table_free;
886 }
887
888 err = mlx4_init_qp_table(dev);
889 if (err) {
890 mlx4_err(dev, "Failed to initialize "
891 "queue pair table, aborting.\n");
892 goto err_srq_table_free;
893 }
894
895 err = mlx4_init_mcg_table(dev);
896 if (err) {
897 mlx4_err(dev, "Failed to initialize "
898 "multicast group table, aborting.\n");
899 goto err_qp_table_free;
900 }
901
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700902 for (port = 1; port <= dev->caps.num_ports; port++) {
Jack Morgenstein9a5aa622008-11-28 21:29:46 -0800903 ib_port_default_caps = 0;
904 err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
905 if (err)
906 mlx4_warn(dev, "failed to get port %d default "
907 "ib capabilities (%d). Continuing with "
908 "caps = 0\n", port, err);
909 dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700910 err = mlx4_SET_PORT(dev, port);
911 if (err) {
912 mlx4_err(dev, "Failed to set port %d, aborting\n",
913 port);
914 goto err_mcg_table_free;
915 }
916 }
917
Roland Dreier225c7b12007-05-08 18:00:38 -0700918 return 0;
919
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700920err_mcg_table_free:
921 mlx4_cleanup_mcg_table(dev);
922
Roland Dreier225c7b12007-05-08 18:00:38 -0700923err_qp_table_free:
924 mlx4_cleanup_qp_table(dev);
925
926err_srq_table_free:
927 mlx4_cleanup_srq_table(dev);
928
929err_cq_table_free:
930 mlx4_cleanup_cq_table(dev);
931
932err_cmd_poll:
933 mlx4_cmd_use_polling(dev);
934
935err_eq_table_free:
936 mlx4_cleanup_eq_table(dev);
937
Jack Morgensteinee49bd92007-07-12 17:50:45 +0300938err_mr_table_free:
Roland Dreier225c7b12007-05-08 18:00:38 -0700939 mlx4_cleanup_mr_table(dev);
940
941err_pd_table_free:
942 mlx4_cleanup_pd_table(dev);
943
944err_kar_unmap:
945 iounmap(priv->kar);
946
947err_uar_free:
948 mlx4_uar_free(dev, &priv->driver_uar);
949
950err_uar_table_free:
951 mlx4_cleanup_uar_table(dev);
952 return err;
953}
954
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800955static void mlx4_enable_msi_x(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700956{
957 struct mlx4_priv *priv = mlx4_priv(dev);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800958 struct msix_entry *entries;
959 int nreq;
Roland Dreier225c7b12007-05-08 18:00:38 -0700960 int err;
961 int i;
962
963 if (msi_x) {
Roland Dreier70cb9252009-01-09 13:14:07 -0800964 nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
965 num_possible_cpus() + 1);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800966 entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
967 if (!entries)
968 goto no_msi;
969
970 for (i = 0; i < nreq; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -0700971 entries[i].entry = i;
972
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800973 retry:
974 err = pci_enable_msix(dev->pdev, entries, nreq);
Roland Dreier225c7b12007-05-08 18:00:38 -0700975 if (err) {
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800976 /* Try again if at least 2 vectors are available */
977 if (err > 1) {
978 mlx4_info(dev, "Requested %d vectors, "
979 "but only %d MSI-X vectors available, "
980 "trying again\n", nreq, err);
981 nreq = err;
982 goto retry;
983 }
Nicolas Morey-Chaisemartin5bf0da72009-04-21 10:11:06 -0700984 kfree(entries);
Roland Dreier225c7b12007-05-08 18:00:38 -0700985 goto no_msi;
986 }
987
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800988 dev->caps.num_comp_vectors = nreq - 1;
989 for (i = 0; i < nreq; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -0700990 priv->eq_table.eq[i].irq = entries[i].vector;
991
992 dev->flags |= MLX4_FLAG_MSI_X;
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800993
994 kfree(entries);
Roland Dreier225c7b12007-05-08 18:00:38 -0700995 return;
996 }
997
998no_msi:
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800999 dev->caps.num_comp_vectors = 1;
1000
1001 for (i = 0; i < 2; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -07001002 priv->eq_table.eq[i].irq = dev->pdev->irq;
1003}
1004
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001005static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001006{
1007 struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001008 int err = 0;
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001009
1010 info->dev = dev;
1011 info->port = port;
1012 mlx4_init_mac_table(dev, &info->mac_table);
1013 mlx4_init_vlan_table(dev, &info->vlan_table);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001014
1015 sprintf(info->dev_name, "mlx4_port%d", port);
1016 info->port_attr.attr.name = info->dev_name;
1017 info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
1018 info->port_attr.show = show_port_type;
1019 info->port_attr.store = set_port_type;
1020
1021 err = device_create_file(&dev->pdev->dev, &info->port_attr);
1022 if (err) {
1023 mlx4_err(dev, "Failed to create file for port %d\n", port);
1024 info->port = -1;
1025 }
1026
1027 return err;
1028}
1029
1030static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
1031{
1032 if (info->port < 0)
1033 return;
1034
1035 device_remove_file(&info->dev->pdev->dev, &info->port_attr);
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001036}
1037
Roland Dreier3d73c282007-10-10 15:43:54 -07001038static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
Roland Dreier225c7b12007-05-08 18:00:38 -07001039{
Roland Dreier225c7b12007-05-08 18:00:38 -07001040 struct mlx4_priv *priv;
1041 struct mlx4_dev *dev;
1042 int err;
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001043 int port;
Roland Dreier225c7b12007-05-08 18:00:38 -07001044
Roland Dreier225c7b12007-05-08 18:00:38 -07001045 printk(KERN_INFO PFX "Initializing %s\n",
1046 pci_name(pdev));
1047
1048 err = pci_enable_device(pdev);
1049 if (err) {
1050 dev_err(&pdev->dev, "Cannot enable PCI device, "
1051 "aborting.\n");
1052 return err;
1053 }
1054
1055 /*
Eli Cohen4ff08a72008-04-16 21:09:35 -07001056 * Check for BARs. We expect 0: 1MB
Roland Dreier225c7b12007-05-08 18:00:38 -07001057 */
1058 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1059 pci_resource_len(pdev, 0) != 1 << 20) {
1060 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1061 err = -ENODEV;
1062 goto err_disable_pdev;
1063 }
1064 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1065 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1066 err = -ENODEV;
1067 goto err_disable_pdev;
1068 }
1069
1070 err = pci_request_region(pdev, 0, DRV_NAME);
1071 if (err) {
1072 dev_err(&pdev->dev, "Cannot request control region, aborting.\n");
1073 goto err_disable_pdev;
1074 }
1075
1076 err = pci_request_region(pdev, 2, DRV_NAME);
1077 if (err) {
1078 dev_err(&pdev->dev, "Cannot request UAR region, aborting.\n");
1079 goto err_release_bar0;
1080 }
1081
1082 pci_set_master(pdev);
1083
Yang Hongyang6a355282009-04-06 19:01:13 -07001084 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
Roland Dreier225c7b12007-05-08 18:00:38 -07001085 if (err) {
1086 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
Yang Hongyang284901a2009-04-06 19:01:15 -07001087 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
Roland Dreier225c7b12007-05-08 18:00:38 -07001088 if (err) {
1089 dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1090 goto err_release_bar2;
1091 }
1092 }
Yang Hongyang6a355282009-04-06 19:01:13 -07001093 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
Roland Dreier225c7b12007-05-08 18:00:38 -07001094 if (err) {
1095 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1096 "consistent PCI DMA mask.\n");
Yang Hongyang284901a2009-04-06 19:01:15 -07001097 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
Roland Dreier225c7b12007-05-08 18:00:38 -07001098 if (err) {
1099 dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1100 "aborting.\n");
1101 goto err_release_bar2;
1102 }
1103 }
1104
1105 priv = kzalloc(sizeof *priv, GFP_KERNEL);
1106 if (!priv) {
1107 dev_err(&pdev->dev, "Device struct alloc failed, "
1108 "aborting.\n");
1109 err = -ENOMEM;
1110 goto err_release_bar2;
1111 }
1112
1113 dev = &priv->dev;
1114 dev->pdev = pdev;
Roland Dreierb5814012007-06-07 11:51:58 -07001115 INIT_LIST_HEAD(&priv->ctx_list);
1116 spin_lock_init(&priv->ctx_lock);
Roland Dreier225c7b12007-05-08 18:00:38 -07001117
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001118 mutex_init(&priv->port_mutex);
1119
Yevgeny Petrilin62968832008-04-23 11:55:45 -07001120 INIT_LIST_HEAD(&priv->pgdir_list);
1121 mutex_init(&priv->pgdir_mutex);
1122
Roland Dreier225c7b12007-05-08 18:00:38 -07001123 /*
1124 * Now reset the HCA before we touch the PCI capabilities or
1125 * attempt a firmware command, since a boot ROM may have left
1126 * the HCA in an undefined state.
1127 */
1128 err = mlx4_reset(dev);
1129 if (err) {
1130 mlx4_err(dev, "Failed to reset HCA, aborting.\n");
1131 goto err_free_dev;
1132 }
1133
Roland Dreier225c7b12007-05-08 18:00:38 -07001134 if (mlx4_cmd_init(dev)) {
1135 mlx4_err(dev, "Failed to init command interface, aborting.\n");
1136 goto err_free_dev;
1137 }
1138
1139 err = mlx4_init_hca(dev);
1140 if (err)
1141 goto err_cmd;
1142
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001143 err = mlx4_alloc_eq_table(dev);
1144 if (err)
1145 goto err_close;
1146
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001147 mlx4_enable_msi_x(dev);
1148
Roland Dreier225c7b12007-05-08 18:00:38 -07001149 err = mlx4_setup_hca(dev);
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001150 if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) {
1151 dev->flags &= ~MLX4_FLAG_MSI_X;
1152 pci_disable_msix(pdev);
1153 err = mlx4_setup_hca(dev);
1154 }
1155
Roland Dreier225c7b12007-05-08 18:00:38 -07001156 if (err)
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001157 goto err_free_eq;
Roland Dreier225c7b12007-05-08 18:00:38 -07001158
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001159 for (port = 1; port <= dev->caps.num_ports; port++) {
1160 err = mlx4_init_port_info(dev, port);
1161 if (err)
1162 goto err_port;
1163 }
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001164
Roland Dreier225c7b12007-05-08 18:00:38 -07001165 err = mlx4_register_device(dev);
1166 if (err)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001167 goto err_port;
Roland Dreier225c7b12007-05-08 18:00:38 -07001168
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001169 mlx4_sense_init(dev);
1170 mlx4_start_sense(dev);
1171
Roland Dreier225c7b12007-05-08 18:00:38 -07001172 pci_set_drvdata(pdev, dev);
1173
1174 return 0;
1175
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001176err_port:
1177 for (port = 1; port <= dev->caps.num_ports; port++)
1178 mlx4_cleanup_port_info(&priv->port[port]);
1179
Roland Dreier225c7b12007-05-08 18:00:38 -07001180 mlx4_cleanup_mcg_table(dev);
1181 mlx4_cleanup_qp_table(dev);
1182 mlx4_cleanup_srq_table(dev);
1183 mlx4_cleanup_cq_table(dev);
1184 mlx4_cmd_use_polling(dev);
1185 mlx4_cleanup_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001186 mlx4_cleanup_mr_table(dev);
1187 mlx4_cleanup_pd_table(dev);
1188 mlx4_cleanup_uar_table(dev);
1189
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001190err_free_eq:
1191 mlx4_free_eq_table(dev);
1192
Roland Dreier225c7b12007-05-08 18:00:38 -07001193err_close:
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001194 if (dev->flags & MLX4_FLAG_MSI_X)
1195 pci_disable_msix(pdev);
1196
Roland Dreier225c7b12007-05-08 18:00:38 -07001197 mlx4_close_hca(dev);
1198
1199err_cmd:
1200 mlx4_cmd_cleanup(dev);
1201
1202err_free_dev:
Roland Dreier225c7b12007-05-08 18:00:38 -07001203 kfree(priv);
1204
1205err_release_bar2:
1206 pci_release_region(pdev, 2);
1207
1208err_release_bar0:
1209 pci_release_region(pdev, 0);
1210
1211err_disable_pdev:
1212 pci_disable_device(pdev);
1213 pci_set_drvdata(pdev, NULL);
1214 return err;
1215}
1216
Roland Dreier3d73c282007-10-10 15:43:54 -07001217static int __devinit mlx4_init_one(struct pci_dev *pdev,
1218 const struct pci_device_id *id)
1219{
1220 static int mlx4_version_printed;
1221
1222 if (!mlx4_version_printed) {
1223 printk(KERN_INFO "%s", mlx4_version);
1224 ++mlx4_version_printed;
1225 }
1226
Roland Dreierb027cac2007-10-13 14:10:50 -07001227 return __mlx4_init_one(pdev, id);
Roland Dreier3d73c282007-10-10 15:43:54 -07001228}
1229
1230static void mlx4_remove_one(struct pci_dev *pdev)
Roland Dreier225c7b12007-05-08 18:00:38 -07001231{
1232 struct mlx4_dev *dev = pci_get_drvdata(pdev);
1233 struct mlx4_priv *priv = mlx4_priv(dev);
1234 int p;
1235
1236 if (dev) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001237 mlx4_stop_sense(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001238 mlx4_unregister_device(dev);
1239
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001240 for (p = 1; p <= dev->caps.num_ports; p++) {
1241 mlx4_cleanup_port_info(&priv->port[p]);
Roland Dreier225c7b12007-05-08 18:00:38 -07001242 mlx4_CLOSE_PORT(dev, p);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001243 }
Roland Dreier225c7b12007-05-08 18:00:38 -07001244
1245 mlx4_cleanup_mcg_table(dev);
1246 mlx4_cleanup_qp_table(dev);
1247 mlx4_cleanup_srq_table(dev);
1248 mlx4_cleanup_cq_table(dev);
1249 mlx4_cmd_use_polling(dev);
1250 mlx4_cleanup_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001251 mlx4_cleanup_mr_table(dev);
1252 mlx4_cleanup_pd_table(dev);
1253
1254 iounmap(priv->kar);
1255 mlx4_uar_free(dev, &priv->driver_uar);
1256 mlx4_cleanup_uar_table(dev);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001257 mlx4_free_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001258 mlx4_close_hca(dev);
1259 mlx4_cmd_cleanup(dev);
1260
1261 if (dev->flags & MLX4_FLAG_MSI_X)
1262 pci_disable_msix(pdev);
1263
1264 kfree(priv);
1265 pci_release_region(pdev, 2);
1266 pci_release_region(pdev, 0);
1267 pci_disable_device(pdev);
1268 pci_set_drvdata(pdev, NULL);
1269 }
1270}
1271
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001272int mlx4_restart_one(struct pci_dev *pdev)
1273{
1274 mlx4_remove_one(pdev);
Roland Dreier3d73c282007-10-10 15:43:54 -07001275 return __mlx4_init_one(pdev, NULL);
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001276}
1277
Roland Dreier225c7b12007-05-08 18:00:38 -07001278static struct pci_device_id mlx4_pci_table[] = {
1279 { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */
1280 { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */
1281 { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */
Jack Morgenstein786f2382007-07-02 17:36:18 +03001282 { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */
1283 { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */
Yevgeny Petrilin57893d12008-10-22 15:48:03 -07001284 { PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */
1285 { PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
Jack Morgenstein085343b2009-02-27 10:29:13 -08001286 { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */
1287 { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
Roland Dreier225c7b12007-05-08 18:00:38 -07001288 { 0, }
1289};
1290
1291MODULE_DEVICE_TABLE(pci, mlx4_pci_table);
1292
1293static struct pci_driver mlx4_driver = {
1294 .name = DRV_NAME,
1295 .id_table = mlx4_pci_table,
1296 .probe = mlx4_init_one,
1297 .remove = __devexit_p(mlx4_remove_one)
1298};
1299
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001300static int __init mlx4_verify_params(void)
1301{
1302 if ((log_num_mac < 0) || (log_num_mac > 7)) {
1303 printk(KERN_WARNING "mlx4_core: bad num_mac: %d\n", log_num_mac);
1304 return -1;
1305 }
1306
1307 if ((log_num_vlan < 0) || (log_num_vlan > 7)) {
1308 printk(KERN_WARNING "mlx4_core: bad num_vlan: %d\n", log_num_vlan);
1309 return -1;
1310 }
1311
Eli Cohenab6bf422009-05-27 14:38:34 -07001312 if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
1313 printk(KERN_WARNING "mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
1314 return -1;
1315 }
1316
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001317 return 0;
1318}
1319
Roland Dreier225c7b12007-05-08 18:00:38 -07001320static int __init mlx4_init(void)
1321{
1322 int ret;
1323
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001324 if (mlx4_verify_params())
1325 return -EINVAL;
1326
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001327 mlx4_catas_init();
1328
1329 mlx4_wq = create_singlethread_workqueue("mlx4");
1330 if (!mlx4_wq)
1331 return -ENOMEM;
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001332
Roland Dreier225c7b12007-05-08 18:00:38 -07001333 ret = pci_register_driver(&mlx4_driver);
1334 return ret < 0 ? ret : 0;
1335}
1336
1337static void __exit mlx4_cleanup(void)
1338{
1339 pci_unregister_driver(&mlx4_driver);
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001340 destroy_workqueue(mlx4_wq);
Roland Dreier225c7b12007-05-08 18:00:38 -07001341}
1342
1343module_init(mlx4_init);
1344module_exit(mlx4_cleanup);