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225c7b1f RD |
1 | /* |
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. | |
7 | * | |
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: | |
13 | * | |
14 | * Redistribution and use in source and binary forms, with or | |
15 | * without modification, are permitted provided that the following | |
16 | * conditions are met: | |
17 | * | |
18 | * - Redistributions of source code must retain the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer. | |
21 | * | |
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. | |
26 | * | |
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 | |
34 | * SOFTWARE. | |
35 | */ | |
36 | ||
37 | #ifndef MLX4_H | |
38 | #define MLX4_H | |
39 | ||
525f5f44 | 40 | #include <linux/mutex.h> |
225c7b1f | 41 | #include <linux/radix-tree.h> |
ee49bd93 | 42 | #include <linux/timer.h> |
225c7b1f RD |
43 | |
44 | #include <linux/mlx4/device.h> | |
45 | #include <linux/mlx4/doorbell.h> | |
46 | ||
47 | #define DRV_NAME "mlx4_core" | |
48 | #define PFX DRV_NAME ": " | |
49 | #define DRV_VERSION "0.01" | |
50 | #define DRV_RELDATE "May 1, 2007" | |
51 | ||
52 | enum { | |
53 | MLX4_HCR_BASE = 0x80680, | |
54 | MLX4_HCR_SIZE = 0x0001c, | |
55 | MLX4_CLR_INT_SIZE = 0x00008 | |
56 | }; | |
57 | ||
225c7b1f | 58 | enum { |
e57ac0c2 | 59 | MLX4_MGM_ENTRY_SIZE = 0x100, |
225c7b1f RD |
60 | MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2), |
61 | MLX4_MTT_ENTRY_PER_SEG = 8 | |
62 | }; | |
63 | ||
64 | enum { | |
65 | MLX4_EQ_ASYNC, | |
66 | MLX4_EQ_COMP, | |
225c7b1f RD |
67 | MLX4_NUM_EQ |
68 | }; | |
69 | ||
70 | enum { | |
71 | MLX4_NUM_PDS = 1 << 15 | |
72 | }; | |
73 | ||
74 | enum { | |
75 | MLX4_CMPT_TYPE_QP = 0, | |
76 | MLX4_CMPT_TYPE_SRQ = 1, | |
77 | MLX4_CMPT_TYPE_CQ = 2, | |
78 | MLX4_CMPT_TYPE_EQ = 3, | |
79 | MLX4_CMPT_NUM_TYPE | |
80 | }; | |
81 | ||
82 | enum { | |
83 | MLX4_CMPT_SHIFT = 24, | |
84 | MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT | |
85 | }; | |
86 | ||
87 | #ifdef CONFIG_MLX4_DEBUG | |
88 | extern int mlx4_debug_level; | |
89 | ||
90 | #define mlx4_dbg(mdev, format, arg...) \ | |
91 | do { \ | |
92 | if (mlx4_debug_level) \ | |
93 | dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \ | |
94 | } while (0) | |
95 | ||
96 | #else /* CONFIG_MLX4_DEBUG */ | |
97 | ||
98 | #define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0) | |
99 | ||
100 | #endif /* CONFIG_MLX4_DEBUG */ | |
101 | ||
102 | #define mlx4_err(mdev, format, arg...) \ | |
103 | dev_err(&mdev->pdev->dev, format, ## arg) | |
104 | #define mlx4_info(mdev, format, arg...) \ | |
105 | dev_info(&mdev->pdev->dev, format, ## arg) | |
106 | #define mlx4_warn(mdev, format, arg...) \ | |
107 | dev_warn(&mdev->pdev->dev, format, ## arg) | |
108 | ||
109 | struct mlx4_bitmap { | |
110 | u32 last; | |
111 | u32 top; | |
112 | u32 max; | |
113 | u32 mask; | |
114 | spinlock_t lock; | |
115 | unsigned long *table; | |
116 | }; | |
117 | ||
118 | struct mlx4_buddy { | |
119 | unsigned long **bits; | |
120 | int max_order; | |
121 | spinlock_t lock; | |
122 | }; | |
123 | ||
124 | struct mlx4_icm; | |
125 | ||
126 | struct mlx4_icm_table { | |
127 | u64 virt; | |
128 | int num_icm; | |
129 | int num_obj; | |
130 | int obj_size; | |
131 | int lowmem; | |
5b0bf5e2 | 132 | int coherent; |
225c7b1f RD |
133 | struct mutex mutex; |
134 | struct mlx4_icm **icm; | |
135 | }; | |
136 | ||
137 | struct mlx4_eq { | |
138 | struct mlx4_dev *dev; | |
139 | void __iomem *doorbell; | |
140 | int eqn; | |
141 | u32 cons_index; | |
142 | u16 irq; | |
143 | u16 have_irq; | |
144 | int nent; | |
145 | struct mlx4_buf_list *page_list; | |
146 | struct mlx4_mtt mtt; | |
147 | }; | |
148 | ||
149 | struct mlx4_profile { | |
150 | int num_qp; | |
151 | int rdmarc_per_qp; | |
152 | int num_srq; | |
153 | int num_cq; | |
154 | int num_mcg; | |
155 | int num_mpt; | |
156 | int num_mtt; | |
157 | }; | |
158 | ||
159 | struct mlx4_fw { | |
160 | u64 clr_int_base; | |
161 | u64 catas_offset; | |
162 | struct mlx4_icm *fw_icm; | |
163 | struct mlx4_icm *aux_icm; | |
164 | u32 catas_size; | |
165 | u16 fw_pages; | |
166 | u8 clr_int_bar; | |
167 | u8 catas_bar; | |
168 | }; | |
169 | ||
170 | struct mlx4_cmd { | |
171 | struct pci_pool *pool; | |
172 | void __iomem *hcr; | |
173 | struct mutex hcr_mutex; | |
174 | struct semaphore poll_sem; | |
175 | struct semaphore event_sem; | |
176 | int max_cmds; | |
177 | spinlock_t context_lock; | |
178 | int free_head; | |
179 | struct mlx4_cmd_context *context; | |
180 | u16 token_mask; | |
181 | u8 use_events; | |
182 | u8 toggle; | |
183 | }; | |
184 | ||
185 | struct mlx4_uar_table { | |
186 | struct mlx4_bitmap bitmap; | |
187 | }; | |
188 | ||
189 | struct mlx4_mr_table { | |
190 | struct mlx4_bitmap mpt_bitmap; | |
191 | struct mlx4_buddy mtt_buddy; | |
192 | u64 mtt_base; | |
193 | u64 mpt_base; | |
194 | struct mlx4_icm_table mtt_table; | |
195 | struct mlx4_icm_table dmpt_table; | |
196 | }; | |
197 | ||
198 | struct mlx4_cq_table { | |
199 | struct mlx4_bitmap bitmap; | |
200 | spinlock_t lock; | |
201 | struct radix_tree_root tree; | |
202 | struct mlx4_icm_table table; | |
203 | struct mlx4_icm_table cmpt_table; | |
204 | }; | |
205 | ||
206 | struct mlx4_eq_table { | |
207 | struct mlx4_bitmap bitmap; | |
208 | void __iomem *clr_int; | |
209 | void __iomem *uar_map[(MLX4_NUM_EQ + 6) / 4]; | |
210 | u32 clr_mask; | |
211 | struct mlx4_eq eq[MLX4_NUM_EQ]; | |
212 | u64 icm_virt; | |
213 | struct page *icm_page; | |
214 | dma_addr_t icm_dma; | |
215 | struct mlx4_icm_table cmpt_table; | |
216 | int have_irq; | |
217 | u8 inta_pin; | |
218 | }; | |
219 | ||
220 | struct mlx4_srq_table { | |
221 | struct mlx4_bitmap bitmap; | |
222 | spinlock_t lock; | |
223 | struct radix_tree_root tree; | |
224 | struct mlx4_icm_table table; | |
225 | struct mlx4_icm_table cmpt_table; | |
226 | }; | |
227 | ||
228 | struct mlx4_qp_table { | |
229 | struct mlx4_bitmap bitmap; | |
230 | u32 rdmarc_base; | |
231 | int rdmarc_shift; | |
232 | spinlock_t lock; | |
233 | struct mlx4_icm_table qp_table; | |
234 | struct mlx4_icm_table auxc_table; | |
235 | struct mlx4_icm_table altc_table; | |
236 | struct mlx4_icm_table rdmarc_table; | |
237 | struct mlx4_icm_table cmpt_table; | |
238 | }; | |
239 | ||
240 | struct mlx4_mcg_table { | |
241 | struct mutex mutex; | |
242 | struct mlx4_bitmap bitmap; | |
243 | struct mlx4_icm_table table; | |
244 | }; | |
245 | ||
246 | struct mlx4_catas_err { | |
247 | u32 __iomem *map; | |
ee49bd93 JM |
248 | struct timer_list timer; |
249 | struct list_head list; | |
225c7b1f RD |
250 | }; |
251 | ||
252 | struct mlx4_priv { | |
253 | struct mlx4_dev dev; | |
254 | ||
255 | struct list_head dev_list; | |
256 | struct list_head ctx_list; | |
257 | spinlock_t ctx_lock; | |
258 | ||
259 | struct mlx4_fw fw; | |
260 | struct mlx4_cmd cmd; | |
261 | ||
262 | struct mlx4_bitmap pd_bitmap; | |
263 | struct mlx4_uar_table uar_table; | |
264 | struct mlx4_mr_table mr_table; | |
265 | struct mlx4_cq_table cq_table; | |
266 | struct mlx4_eq_table eq_table; | |
267 | struct mlx4_srq_table srq_table; | |
268 | struct mlx4_qp_table qp_table; | |
269 | struct mlx4_mcg_table mcg_table; | |
270 | ||
271 | struct mlx4_catas_err catas_err; | |
272 | ||
273 | void __iomem *clr_base; | |
274 | ||
275 | struct mlx4_uar driver_uar; | |
276 | void __iomem *kar; | |
225c7b1f RD |
277 | }; |
278 | ||
279 | static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev) | |
280 | { | |
281 | return container_of(dev, struct mlx4_priv, dev); | |
282 | } | |
283 | ||
284 | u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap); | |
285 | void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj); | |
286 | int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved); | |
287 | void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap); | |
288 | ||
289 | int mlx4_reset(struct mlx4_dev *dev); | |
290 | ||
291 | int mlx4_init_pd_table(struct mlx4_dev *dev); | |
292 | int mlx4_init_uar_table(struct mlx4_dev *dev); | |
293 | int mlx4_init_mr_table(struct mlx4_dev *dev); | |
294 | int mlx4_init_eq_table(struct mlx4_dev *dev); | |
295 | int mlx4_init_cq_table(struct mlx4_dev *dev); | |
296 | int mlx4_init_qp_table(struct mlx4_dev *dev); | |
297 | int mlx4_init_srq_table(struct mlx4_dev *dev); | |
298 | int mlx4_init_mcg_table(struct mlx4_dev *dev); | |
299 | ||
300 | void mlx4_cleanup_pd_table(struct mlx4_dev *dev); | |
301 | void mlx4_cleanup_uar_table(struct mlx4_dev *dev); | |
302 | void mlx4_cleanup_mr_table(struct mlx4_dev *dev); | |
303 | void mlx4_cleanup_eq_table(struct mlx4_dev *dev); | |
304 | void mlx4_cleanup_cq_table(struct mlx4_dev *dev); | |
305 | void mlx4_cleanup_qp_table(struct mlx4_dev *dev); | |
306 | void mlx4_cleanup_srq_table(struct mlx4_dev *dev); | |
307 | void mlx4_cleanup_mcg_table(struct mlx4_dev *dev); | |
308 | ||
ee49bd93 JM |
309 | void mlx4_start_catas_poll(struct mlx4_dev *dev); |
310 | void mlx4_stop_catas_poll(struct mlx4_dev *dev); | |
311 | int mlx4_catas_init(void); | |
312 | void mlx4_catas_cleanup(void); | |
313 | int mlx4_restart_one(struct pci_dev *pdev); | |
225c7b1f RD |
314 | int mlx4_register_device(struct mlx4_dev *dev); |
315 | void mlx4_unregister_device(struct mlx4_dev *dev); | |
316 | void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_event type, | |
317 | int subtype, int port); | |
318 | ||
319 | struct mlx4_dev_cap; | |
320 | struct mlx4_init_hca_param; | |
321 | ||
322 | u64 mlx4_make_profile(struct mlx4_dev *dev, | |
323 | struct mlx4_profile *request, | |
324 | struct mlx4_dev_cap *dev_cap, | |
325 | struct mlx4_init_hca_param *init_hca); | |
326 | ||
327 | int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt); | |
328 | void mlx4_unmap_eq_icm(struct mlx4_dev *dev); | |
329 | ||
330 | int mlx4_cmd_init(struct mlx4_dev *dev); | |
331 | void mlx4_cmd_cleanup(struct mlx4_dev *dev); | |
332 | void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param); | |
333 | int mlx4_cmd_use_events(struct mlx4_dev *dev); | |
334 | void mlx4_cmd_use_polling(struct mlx4_dev *dev); | |
335 | ||
336 | void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn); | |
337 | void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type); | |
338 | ||
339 | void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type); | |
340 | ||
341 | void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type); | |
342 | ||
343 | void mlx4_handle_catas_err(struct mlx4_dev *dev); | |
344 | ||
345 | #endif /* MLX4_H */ |