2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved.
5 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * OpenIB.org BSD license below:
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
22 * - Redistributions in binary form must reproduce the above
23 * copyright notice, this list of conditions and the following
24 * disclaimer in the documentation and/or other materials
25 * provided with the distribution.
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
40 #include <linux/mutex.h>
41 #include <linux/radix-tree.h>
42 #include <linux/timer.h>
43 #include <linux/semaphore.h>
44 #include <linux/workqueue.h>
46 #include <linux/mlx4/device.h>
47 #include <linux/mlx4/driver.h>
48 #include <linux/mlx4/doorbell.h>
50 #define DRV_NAME "mlx4_core"
51 #define DRV_VERSION "0.01"
52 #define DRV_RELDATE "May 1, 2007"
55 MLX4_HCR_BASE = 0x80680,
56 MLX4_HCR_SIZE = 0x0001c,
57 MLX4_CLR_INT_SIZE = 0x00008
61 MLX4_MGM_ENTRY_SIZE = 0x100,
62 MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2),
63 MLX4_MTT_ENTRY_PER_SEG = 8
67 MLX4_NUM_PDS = 1 << 15
71 MLX4_CMPT_TYPE_QP = 0,
72 MLX4_CMPT_TYPE_SRQ = 1,
73 MLX4_CMPT_TYPE_CQ = 2,
74 MLX4_CMPT_TYPE_EQ = 3,
80 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
83 #ifdef CONFIG_MLX4_DEBUG
84 extern int mlx4_debug_level;
85 #else /* CONFIG_MLX4_DEBUG */
86 #define mlx4_debug_level (0)
87 #endif /* CONFIG_MLX4_DEBUG */
89 #define mlx4_dbg(mdev, format, arg...) \
91 if (mlx4_debug_level) \
92 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ##arg); \
95 #define mlx4_err(mdev, format, arg...) \
96 dev_err(&mdev->pdev->dev, format, ##arg)
97 #define mlx4_info(mdev, format, arg...) \
98 dev_info(&mdev->pdev->dev, format, ##arg)
99 #define mlx4_warn(mdev, format, arg...) \
100 dev_warn(&mdev->pdev->dev, format, ##arg)
109 unsigned long *table;
113 unsigned long **bits;
114 unsigned int *num_free;
121 struct mlx4_icm_table {
129 struct mlx4_icm **icm;
133 struct mlx4_dev *dev;
134 void __iomem *doorbell;
140 struct mlx4_buf_list *page_list;
144 struct mlx4_profile {
157 struct mlx4_icm *fw_icm;
158 struct mlx4_icm *aux_icm;
165 #define MGM_QPN_MASK 0x00FFFFFF
166 #define MGM_BLCK_LB_BIT 30
168 struct mlx4_promisc_qp {
169 struct list_head list;
173 struct mlx4_steer_index {
174 struct list_head list;
176 struct list_head duplicates;
180 __be32 next_gid_index;
181 __be32 members_count;
184 __be32 qp[MLX4_QP_PER_MGM];
187 struct pci_pool *pool;
189 struct mutex hcr_mutex;
190 struct semaphore poll_sem;
191 struct semaphore event_sem;
193 spinlock_t context_lock;
195 struct mlx4_cmd_context *context;
201 struct mlx4_uar_table {
202 struct mlx4_bitmap bitmap;
205 struct mlx4_mr_table {
206 struct mlx4_bitmap mpt_bitmap;
207 struct mlx4_buddy mtt_buddy;
210 struct mlx4_icm_table mtt_table;
211 struct mlx4_icm_table dmpt_table;
214 struct mlx4_cq_table {
215 struct mlx4_bitmap bitmap;
217 struct radix_tree_root tree;
218 struct mlx4_icm_table table;
219 struct mlx4_icm_table cmpt_table;
222 struct mlx4_eq_table {
223 struct mlx4_bitmap bitmap;
225 void __iomem *clr_int;
226 void __iomem **uar_map;
229 struct mlx4_icm_table table;
230 struct mlx4_icm_table cmpt_table;
235 struct mlx4_srq_table {
236 struct mlx4_bitmap bitmap;
238 struct radix_tree_root tree;
239 struct mlx4_icm_table table;
240 struct mlx4_icm_table cmpt_table;
243 struct mlx4_qp_table {
244 struct mlx4_bitmap bitmap;
248 struct mlx4_icm_table qp_table;
249 struct mlx4_icm_table auxc_table;
250 struct mlx4_icm_table altc_table;
251 struct mlx4_icm_table rdmarc_table;
252 struct mlx4_icm_table cmpt_table;
255 struct mlx4_mcg_table {
257 struct mlx4_bitmap bitmap;
258 struct mlx4_icm_table table;
261 struct mlx4_catas_err {
263 struct timer_list timer;
264 struct list_head list;
267 #define MLX4_MAX_MAC_NUM 128
268 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3)
270 struct mlx4_mac_table {
271 __be64 entries[MLX4_MAX_MAC_NUM];
272 int refs[MLX4_MAX_MAC_NUM];
278 #define MLX4_MAX_VLAN_NUM 128
279 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2)
281 struct mlx4_vlan_table {
282 __be32 entries[MLX4_MAX_VLAN_NUM];
283 int refs[MLX4_MAX_VLAN_NUM];
289 struct mlx4_mac_entry {
293 struct mlx4_port_info {
294 struct mlx4_dev *dev;
297 struct device_attribute port_attr;
298 enum mlx4_port_type tmp_type;
299 struct mlx4_mac_table mac_table;
300 struct radix_tree_root mac_tree;
301 struct mlx4_vlan_table vlan_table;
306 struct mlx4_dev *dev;
307 u8 do_sense_port[MLX4_MAX_PORTS + 1];
308 u8 sense_allowed[MLX4_MAX_PORTS + 1];
309 struct delayed_work sense_poll;
312 struct mlx4_msix_ctl {
314 spinlock_t pool_lock;
318 struct list_head promisc_qps[MLX4_NUM_STEERS];
319 struct list_head steer_entries[MLX4_NUM_STEERS];
320 struct list_head high_prios;
326 struct list_head dev_list;
327 struct list_head ctx_list;
330 struct list_head pgdir_list;
331 struct mutex pgdir_mutex;
336 struct mlx4_bitmap pd_bitmap;
337 struct mlx4_uar_table uar_table;
338 struct mlx4_mr_table mr_table;
339 struct mlx4_cq_table cq_table;
340 struct mlx4_eq_table eq_table;
341 struct mlx4_srq_table srq_table;
342 struct mlx4_qp_table qp_table;
343 struct mlx4_mcg_table mcg_table;
345 struct mlx4_catas_err catas_err;
347 void __iomem *clr_base;
349 struct mlx4_uar driver_uar;
351 struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
352 struct mlx4_sense sense;
353 struct mutex port_mutex;
354 struct mlx4_msix_ctl msix_ctl;
355 struct mlx4_steer *steer;
356 struct list_head bf_list;
357 struct mutex bf_mutex;
358 struct io_mapping *bf_mapping;
361 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
363 return container_of(dev, struct mlx4_priv, dev);
366 #define MLX4_SENSE_RANGE (HZ * 3)
368 extern struct workqueue_struct *mlx4_wq;
370 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
371 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
372 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
373 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
374 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
375 u32 reserved_bot, u32 resetrved_top);
376 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
378 int mlx4_reset(struct mlx4_dev *dev);
380 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
381 void mlx4_free_eq_table(struct mlx4_dev *dev);
383 int mlx4_init_pd_table(struct mlx4_dev *dev);
384 int mlx4_init_uar_table(struct mlx4_dev *dev);
385 int mlx4_init_mr_table(struct mlx4_dev *dev);
386 int mlx4_init_eq_table(struct mlx4_dev *dev);
387 int mlx4_init_cq_table(struct mlx4_dev *dev);
388 int mlx4_init_qp_table(struct mlx4_dev *dev);
389 int mlx4_init_srq_table(struct mlx4_dev *dev);
390 int mlx4_init_mcg_table(struct mlx4_dev *dev);
392 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
393 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
394 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
395 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
396 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
397 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
398 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
399 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
401 void mlx4_start_catas_poll(struct mlx4_dev *dev);
402 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
403 void mlx4_catas_init(void);
404 int mlx4_restart_one(struct pci_dev *pdev);
405 int mlx4_register_device(struct mlx4_dev *dev);
406 void mlx4_unregister_device(struct mlx4_dev *dev);
407 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port);
410 struct mlx4_init_hca_param;
412 u64 mlx4_make_profile(struct mlx4_dev *dev,
413 struct mlx4_profile *request,
414 struct mlx4_dev_cap *dev_cap,
415 struct mlx4_init_hca_param *init_hca);
417 int mlx4_cmd_init(struct mlx4_dev *dev);
418 void mlx4_cmd_cleanup(struct mlx4_dev *dev);
419 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
420 int mlx4_cmd_use_events(struct mlx4_dev *dev);
421 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
423 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
424 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
426 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
428 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
430 void mlx4_handle_catas_err(struct mlx4_dev *dev);
432 void mlx4_do_sense_ports(struct mlx4_dev *dev,
433 enum mlx4_port_type *stype,
434 enum mlx4_port_type *defaults);
435 void mlx4_start_sense(struct mlx4_dev *dev);
436 void mlx4_stop_sense(struct mlx4_dev *dev);
437 void mlx4_sense_init(struct mlx4_dev *dev);
438 int mlx4_check_port_params(struct mlx4_dev *dev,
439 enum mlx4_port_type *port_type);
440 int mlx4_change_port_types(struct mlx4_dev *dev,
441 enum mlx4_port_type *port_types);
443 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
444 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
446 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
447 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
449 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
450 enum mlx4_protocol prot, enum mlx4_steer_type steer);
451 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
452 int block_mcast_loopback, enum mlx4_protocol prot,
453 enum mlx4_steer_type steer);