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 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>
44 #include <linux/mlx4/device.h>
45 #include <linux/mlx4/doorbell.h>
47 #define DRV_NAME "mlx4_core"
48 #define PFX DRV_NAME ": "
49 #define DRV_VERSION "0.01"
50 #define DRV_RELDATE "May 1, 2007"
53 MLX4_HCR_BASE = 0x80680,
54 MLX4_HCR_SIZE = 0x0001c,
55 MLX4_CLR_INT_SIZE = 0x00008
59 MLX4_BOARD_ID_LEN = 64
63 MLX4_MGM_ENTRY_SIZE = 0x40,
64 MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2),
65 MLX4_MTT_ENTRY_PER_SEG = 8
75 MLX4_NUM_PDS = 1 << 15
79 MLX4_CMPT_TYPE_QP = 0,
80 MLX4_CMPT_TYPE_SRQ = 1,
81 MLX4_CMPT_TYPE_CQ = 2,
82 MLX4_CMPT_TYPE_EQ = 3,
88 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
91 #ifdef CONFIG_MLX4_DEBUG
92 extern int mlx4_debug_level;
94 #define mlx4_dbg(mdev, format, arg...) \
96 if (mlx4_debug_level) \
97 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \
100 #else /* CONFIG_MLX4_DEBUG */
102 #define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0)
104 #endif /* CONFIG_MLX4_DEBUG */
106 #define mlx4_err(mdev, format, arg...) \
107 dev_err(&mdev->pdev->dev, format, ## arg)
108 #define mlx4_info(mdev, format, arg...) \
109 dev_info(&mdev->pdev->dev, format, ## arg)
110 #define mlx4_warn(mdev, format, arg...) \
111 dev_warn(&mdev->pdev->dev, format, ## arg)
119 unsigned long *table;
123 unsigned long **bits;
130 struct mlx4_icm_table {
137 struct mlx4_icm **icm;
141 struct mlx4_dev *dev;
142 void __iomem *doorbell;
148 struct mlx4_buf_list *page_list;
152 struct mlx4_profile {
165 struct mlx4_icm *fw_icm;
166 struct mlx4_icm *aux_icm;
174 struct pci_pool *pool;
176 struct mutex hcr_mutex;
177 struct semaphore poll_sem;
178 struct semaphore event_sem;
180 spinlock_t context_lock;
182 struct mlx4_cmd_context *context;
188 struct mlx4_uar_table {
189 struct mlx4_bitmap bitmap;
192 struct mlx4_mr_table {
193 struct mlx4_bitmap mpt_bitmap;
194 struct mlx4_buddy mtt_buddy;
197 struct mlx4_icm_table mtt_table;
198 struct mlx4_icm_table dmpt_table;
201 struct mlx4_cq_table {
202 struct mlx4_bitmap bitmap;
204 struct radix_tree_root tree;
205 struct mlx4_icm_table table;
206 struct mlx4_icm_table cmpt_table;
209 struct mlx4_eq_table {
210 struct mlx4_bitmap bitmap;
211 void __iomem *clr_int;
212 void __iomem *uar_map[(MLX4_NUM_EQ + 6) / 4];
214 struct mlx4_eq eq[MLX4_NUM_EQ];
216 struct page *icm_page;
218 struct mlx4_icm_table cmpt_table;
223 struct mlx4_srq_table {
224 struct mlx4_bitmap bitmap;
226 struct radix_tree_root tree;
227 struct mlx4_icm_table table;
228 struct mlx4_icm_table cmpt_table;
231 struct mlx4_qp_table {
232 struct mlx4_bitmap bitmap;
236 struct mlx4_icm_table qp_table;
237 struct mlx4_icm_table auxc_table;
238 struct mlx4_icm_table altc_table;
239 struct mlx4_icm_table rdmarc_table;
240 struct mlx4_icm_table cmpt_table;
243 struct mlx4_mcg_table {
245 struct mlx4_bitmap bitmap;
246 struct mlx4_icm_table table;
249 struct mlx4_catas_err {
251 struct timer_list timer;
252 struct list_head list;
258 struct list_head dev_list;
259 struct list_head ctx_list;
265 struct mlx4_bitmap pd_bitmap;
266 struct mlx4_uar_table uar_table;
267 struct mlx4_mr_table mr_table;
268 struct mlx4_cq_table cq_table;
269 struct mlx4_eq_table eq_table;
270 struct mlx4_srq_table srq_table;
271 struct mlx4_qp_table qp_table;
272 struct mlx4_mcg_table mcg_table;
274 struct mlx4_catas_err catas_err;
276 void __iomem *clr_base;
278 struct mlx4_uar driver_uar;
282 char board_id[MLX4_BOARD_ID_LEN];
285 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
287 return container_of(dev, struct mlx4_priv, dev);
290 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
291 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
292 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved);
293 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
295 int mlx4_reset(struct mlx4_dev *dev);
297 int mlx4_init_pd_table(struct mlx4_dev *dev);
298 int mlx4_init_uar_table(struct mlx4_dev *dev);
299 int mlx4_init_mr_table(struct mlx4_dev *dev);
300 int mlx4_init_eq_table(struct mlx4_dev *dev);
301 int mlx4_init_cq_table(struct mlx4_dev *dev);
302 int mlx4_init_qp_table(struct mlx4_dev *dev);
303 int mlx4_init_srq_table(struct mlx4_dev *dev);
304 int mlx4_init_mcg_table(struct mlx4_dev *dev);
306 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
307 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
308 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
309 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
310 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
311 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
312 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
313 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
315 void mlx4_start_catas_poll(struct mlx4_dev *dev);
316 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
317 int mlx4_catas_init(void);
318 void mlx4_catas_cleanup(void);
319 int mlx4_restart_one(struct pci_dev *pdev);
320 int mlx4_register_device(struct mlx4_dev *dev);
321 void mlx4_unregister_device(struct mlx4_dev *dev);
322 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_event type,
323 int subtype, int port);
326 struct mlx4_init_hca_param;
328 u64 mlx4_make_profile(struct mlx4_dev *dev,
329 struct mlx4_profile *request,
330 struct mlx4_dev_cap *dev_cap,
331 struct mlx4_init_hca_param *init_hca);
333 int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt);
334 void mlx4_unmap_eq_icm(struct mlx4_dev *dev);
336 int mlx4_cmd_init(struct mlx4_dev *dev);
337 void mlx4_cmd_cleanup(struct mlx4_dev *dev);
338 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
339 int mlx4_cmd_use_events(struct mlx4_dev *dev);
340 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
342 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
343 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
345 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
347 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
349 void mlx4_handle_catas_err(struct mlx4_dev *dev);