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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | * | |
32 | * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $ | |
33 | */ | |
34 | ||
35 | #ifndef MTHCA_DEV_H | |
36 | #define MTHCA_DEV_H | |
37 | ||
38 | #include <linux/spinlock.h> | |
39 | #include <linux/kernel.h> | |
40 | #include <linux/pci.h> | |
41 | #include <linux/dma-mapping.h> | |
42 | #include <asm/semaphore.h> | |
43 | ||
44 | #include "mthca_provider.h" | |
45 | #include "mthca_doorbell.h" | |
46 | ||
47 | #define DRV_NAME "ib_mthca" | |
48 | #define PFX DRV_NAME ": " | |
49 | #define DRV_VERSION "0.06-pre" | |
50 | #define DRV_RELDATE "November 8, 2004" | |
51 | ||
52 | /* Types of supported HCA */ | |
53 | enum { | |
54 | TAVOR, /* MT23108 */ | |
55 | ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ | |
56 | ARBEL_NATIVE /* MT25208 with extended features */ | |
57 | }; | |
58 | ||
59 | enum { | |
60 | MTHCA_FLAG_DDR_HIDDEN = 1 << 1, | |
61 | MTHCA_FLAG_SRQ = 1 << 2, | |
62 | MTHCA_FLAG_MSI = 1 << 3, | |
63 | MTHCA_FLAG_MSI_X = 1 << 4, | |
64 | MTHCA_FLAG_NO_LAM = 1 << 5 | |
65 | }; | |
66 | ||
67 | enum { | |
68 | MTHCA_MAX_PORTS = 2 | |
69 | }; | |
70 | ||
71 | enum { | |
72 | MTHCA_EQ_CONTEXT_SIZE = 0x40, | |
73 | MTHCA_CQ_CONTEXT_SIZE = 0x40, | |
74 | MTHCA_QP_CONTEXT_SIZE = 0x200, | |
75 | MTHCA_RDB_ENTRY_SIZE = 0x20, | |
76 | MTHCA_AV_SIZE = 0x20, | |
77 | MTHCA_MGM_ENTRY_SIZE = 0x40, | |
78 | ||
79 | /* Arbel FW gives us these, but we need them for Tavor */ | |
80 | MTHCA_MPT_ENTRY_SIZE = 0x40, | |
81 | MTHCA_MTT_SEG_SIZE = 0x40, | |
82 | }; | |
83 | ||
84 | enum { | |
85 | MTHCA_EQ_CMD, | |
86 | MTHCA_EQ_ASYNC, | |
87 | MTHCA_EQ_COMP, | |
88 | MTHCA_NUM_EQ | |
89 | }; | |
90 | ||
2a4443a6 MT |
91 | enum { |
92 | MTHCA_OPCODE_NOP = 0x00, | |
93 | MTHCA_OPCODE_RDMA_WRITE = 0x08, | |
94 | MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09, | |
95 | MTHCA_OPCODE_SEND = 0x0a, | |
96 | MTHCA_OPCODE_SEND_IMM = 0x0b, | |
97 | MTHCA_OPCODE_RDMA_READ = 0x10, | |
98 | MTHCA_OPCODE_ATOMIC_CS = 0x11, | |
99 | MTHCA_OPCODE_ATOMIC_FA = 0x12, | |
100 | MTHCA_OPCODE_BIND_MW = 0x18, | |
101 | MTHCA_OPCODE_INVALID = 0xff | |
102 | }; | |
103 | ||
1da177e4 LT |
104 | struct mthca_cmd { |
105 | int use_events; | |
106 | struct semaphore hcr_sem; | |
107 | struct semaphore poll_sem; | |
108 | struct semaphore event_sem; | |
109 | int max_cmds; | |
110 | spinlock_t context_lock; | |
111 | int free_head; | |
112 | struct mthca_cmd_context *context; | |
113 | u16 token_mask; | |
114 | }; | |
115 | ||
116 | struct mthca_limits { | |
117 | int num_ports; | |
118 | int vl_cap; | |
119 | int mtu_cap; | |
120 | int gid_table_len; | |
121 | int pkey_table_len; | |
122 | int local_ca_ack_delay; | |
123 | int num_uars; | |
124 | int max_sg; | |
125 | int num_qps; | |
126 | int reserved_qps; | |
127 | int num_srqs; | |
128 | int reserved_srqs; | |
129 | int num_eecs; | |
130 | int reserved_eecs; | |
131 | int num_cqs; | |
132 | int reserved_cqs; | |
133 | int num_eqs; | |
134 | int reserved_eqs; | |
135 | int num_mpts; | |
136 | int num_mtt_segs; | |
1da177e4 LT |
137 | int reserved_mtts; |
138 | int reserved_mrws; | |
139 | int reserved_uars; | |
140 | int num_mgms; | |
141 | int num_amgms; | |
142 | int reserved_mcgs; | |
143 | int num_pds; | |
144 | int reserved_pds; | |
145 | }; | |
146 | ||
147 | struct mthca_alloc { | |
148 | u32 last; | |
149 | u32 top; | |
150 | u32 max; | |
151 | u32 mask; | |
152 | spinlock_t lock; | |
153 | unsigned long *table; | |
154 | }; | |
155 | ||
156 | struct mthca_array { | |
157 | struct { | |
158 | void **page; | |
159 | int used; | |
160 | } *page_list; | |
161 | }; | |
162 | ||
163 | struct mthca_uar_table { | |
164 | struct mthca_alloc alloc; | |
165 | u64 uarc_base; | |
166 | int uarc_size; | |
167 | }; | |
168 | ||
169 | struct mthca_pd_table { | |
170 | struct mthca_alloc alloc; | |
171 | }; | |
172 | ||
9095e208 MT |
173 | struct mthca_buddy { |
174 | unsigned long **bits; | |
175 | int max_order; | |
176 | spinlock_t lock; | |
177 | }; | |
178 | ||
1da177e4 LT |
179 | struct mthca_mr_table { |
180 | struct mthca_alloc mpt_alloc; | |
9095e208 | 181 | struct mthca_buddy mtt_buddy; |
1da177e4 LT |
182 | u64 mtt_base; |
183 | struct mthca_icm_table *mtt_table; | |
184 | struct mthca_icm_table *mpt_table; | |
185 | }; | |
186 | ||
187 | struct mthca_eq_table { | |
188 | struct mthca_alloc alloc; | |
189 | void __iomem *clr_int; | |
190 | u32 clr_mask; | |
191 | u32 arm_mask; | |
192 | struct mthca_eq eq[MTHCA_NUM_EQ]; | |
193 | u64 icm_virt; | |
194 | struct page *icm_page; | |
195 | dma_addr_t icm_dma; | |
196 | int have_irq; | |
197 | u8 inta_pin; | |
198 | }; | |
199 | ||
200 | struct mthca_cq_table { | |
201 | struct mthca_alloc alloc; | |
202 | spinlock_t lock; | |
203 | struct mthca_array cq; | |
204 | struct mthca_icm_table *table; | |
205 | }; | |
206 | ||
207 | struct mthca_qp_table { | |
208 | struct mthca_alloc alloc; | |
209 | u32 rdb_base; | |
210 | int rdb_shift; | |
211 | int sqp_start; | |
212 | spinlock_t lock; | |
213 | struct mthca_array qp; | |
214 | struct mthca_icm_table *qp_table; | |
215 | struct mthca_icm_table *eqp_table; | |
216 | }; | |
217 | ||
218 | struct mthca_av_table { | |
219 | struct pci_pool *pool; | |
220 | int num_ddr_avs; | |
221 | u64 ddr_av_base; | |
222 | void __iomem *av_map; | |
223 | struct mthca_alloc alloc; | |
224 | }; | |
225 | ||
226 | struct mthca_mcg_table { | |
227 | struct semaphore sem; | |
228 | struct mthca_alloc alloc; | |
229 | struct mthca_icm_table *table; | |
230 | }; | |
231 | ||
232 | struct mthca_dev { | |
233 | struct ib_device ib_dev; | |
234 | struct pci_dev *pdev; | |
235 | ||
236 | int hca_type; | |
237 | unsigned long mthca_flags; | |
238 | unsigned long device_cap_flags; | |
239 | ||
240 | u32 rev_id; | |
241 | ||
242 | /* firmware info */ | |
243 | u64 fw_ver; | |
244 | union { | |
245 | struct { | |
246 | u64 fw_start; | |
247 | u64 fw_end; | |
248 | } tavor; | |
249 | struct { | |
250 | u64 clr_int_base; | |
251 | u64 eq_arm_base; | |
252 | u64 eq_set_ci_base; | |
253 | struct mthca_icm *fw_icm; | |
254 | struct mthca_icm *aux_icm; | |
255 | u16 fw_pages; | |
256 | } arbel; | |
257 | } fw; | |
258 | ||
259 | u64 ddr_start; | |
260 | u64 ddr_end; | |
261 | ||
262 | MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock) | |
263 | struct semaphore cap_mask_mutex; | |
264 | ||
265 | void __iomem *hcr; | |
266 | void __iomem *kar; | |
267 | void __iomem *clr_base; | |
268 | union { | |
269 | struct { | |
270 | void __iomem *ecr_base; | |
271 | } tavor; | |
272 | struct { | |
273 | void __iomem *eq_arm; | |
274 | void __iomem *eq_set_ci_base; | |
275 | } arbel; | |
276 | } eq_regs; | |
277 | ||
278 | struct mthca_cmd cmd; | |
279 | struct mthca_limits limits; | |
280 | ||
281 | struct mthca_uar_table uar_table; | |
282 | struct mthca_pd_table pd_table; | |
283 | struct mthca_mr_table mr_table; | |
284 | struct mthca_eq_table eq_table; | |
285 | struct mthca_cq_table cq_table; | |
286 | struct mthca_qp_table qp_table; | |
287 | struct mthca_av_table av_table; | |
288 | struct mthca_mcg_table mcg_table; | |
289 | ||
290 | struct mthca_uar driver_uar; | |
291 | struct mthca_db_table *db_tab; | |
292 | struct mthca_pd driver_pd; | |
293 | struct mthca_mr driver_mr; | |
294 | ||
295 | struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2]; | |
296 | struct ib_ah *sm_ah[MTHCA_MAX_PORTS]; | |
297 | spinlock_t sm_lock; | |
298 | }; | |
299 | ||
300 | #define mthca_dbg(mdev, format, arg...) \ | |
301 | dev_dbg(&mdev->pdev->dev, format, ## arg) | |
302 | #define mthca_err(mdev, format, arg...) \ | |
303 | dev_err(&mdev->pdev->dev, format, ## arg) | |
304 | #define mthca_info(mdev, format, arg...) \ | |
305 | dev_info(&mdev->pdev->dev, format, ## arg) | |
306 | #define mthca_warn(mdev, format, arg...) \ | |
307 | dev_warn(&mdev->pdev->dev, format, ## arg) | |
308 | ||
309 | extern void __buggy_use_of_MTHCA_GET(void); | |
310 | extern void __buggy_use_of_MTHCA_PUT(void); | |
311 | ||
312 | #define MTHCA_GET(dest, source, offset) \ | |
313 | do { \ | |
314 | void *__p = (char *) (source) + (offset); \ | |
315 | switch (sizeof (dest)) { \ | |
316 | case 1: (dest) = *(u8 *) __p; break; \ | |
317 | case 2: (dest) = be16_to_cpup(__p); break; \ | |
318 | case 4: (dest) = be32_to_cpup(__p); break; \ | |
319 | case 8: (dest) = be64_to_cpup(__p); break; \ | |
320 | default: __buggy_use_of_MTHCA_GET(); \ | |
321 | } \ | |
322 | } while (0) | |
323 | ||
324 | #define MTHCA_PUT(dest, source, offset) \ | |
325 | do { \ | |
326 | __typeof__(source) *__p = \ | |
327 | (__typeof__(source) *) ((char *) (dest) + (offset)); \ | |
328 | switch (sizeof(source)) { \ | |
329 | case 1: *__p = (source); break; \ | |
330 | case 2: *__p = cpu_to_be16(source); break; \ | |
331 | case 4: *__p = cpu_to_be32(source); break; \ | |
332 | case 8: *__p = cpu_to_be64(source); break; \ | |
333 | default: __buggy_use_of_MTHCA_PUT(); \ | |
334 | } \ | |
335 | } while (0) | |
336 | ||
337 | int mthca_reset(struct mthca_dev *mdev); | |
338 | ||
339 | u32 mthca_alloc(struct mthca_alloc *alloc); | |
340 | void mthca_free(struct mthca_alloc *alloc, u32 obj); | |
341 | int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask, | |
342 | u32 reserved); | |
343 | void mthca_alloc_cleanup(struct mthca_alloc *alloc); | |
344 | void *mthca_array_get(struct mthca_array *array, int index); | |
345 | int mthca_array_set(struct mthca_array *array, int index, void *value); | |
346 | void mthca_array_clear(struct mthca_array *array, int index); | |
347 | int mthca_array_init(struct mthca_array *array, int nent); | |
348 | void mthca_array_cleanup(struct mthca_array *array, int nent); | |
349 | ||
350 | int mthca_init_uar_table(struct mthca_dev *dev); | |
351 | int mthca_init_pd_table(struct mthca_dev *dev); | |
352 | int mthca_init_mr_table(struct mthca_dev *dev); | |
353 | int mthca_init_eq_table(struct mthca_dev *dev); | |
354 | int mthca_init_cq_table(struct mthca_dev *dev); | |
355 | int mthca_init_qp_table(struct mthca_dev *dev); | |
356 | int mthca_init_av_table(struct mthca_dev *dev); | |
357 | int mthca_init_mcg_table(struct mthca_dev *dev); | |
358 | ||
359 | void mthca_cleanup_uar_table(struct mthca_dev *dev); | |
360 | void mthca_cleanup_pd_table(struct mthca_dev *dev); | |
361 | void mthca_cleanup_mr_table(struct mthca_dev *dev); | |
362 | void mthca_cleanup_eq_table(struct mthca_dev *dev); | |
363 | void mthca_cleanup_cq_table(struct mthca_dev *dev); | |
364 | void mthca_cleanup_qp_table(struct mthca_dev *dev); | |
365 | void mthca_cleanup_av_table(struct mthca_dev *dev); | |
366 | void mthca_cleanup_mcg_table(struct mthca_dev *dev); | |
367 | ||
368 | int mthca_register_device(struct mthca_dev *dev); | |
369 | void mthca_unregister_device(struct mthca_dev *dev); | |
370 | ||
371 | int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar); | |
372 | void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar); | |
373 | ||
374 | int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd); | |
375 | void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd); | |
376 | ||
377 | int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, | |
378 | u32 access, struct mthca_mr *mr); | |
379 | int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, | |
380 | u64 *buffer_list, int buffer_size_shift, | |
381 | int list_len, u64 iova, u64 total_size, | |
382 | u32 access, struct mthca_mr *mr); | |
383 | void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr); | |
384 | ||
385 | int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt); | |
386 | void mthca_unmap_eq_icm(struct mthca_dev *dev); | |
387 | ||
388 | int mthca_poll_cq(struct ib_cq *ibcq, int num_entries, | |
389 | struct ib_wc *entry); | |
390 | int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify); | |
391 | int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify); | |
392 | int mthca_init_cq(struct mthca_dev *dev, int nent, | |
393 | struct mthca_cq *cq); | |
394 | void mthca_free_cq(struct mthca_dev *dev, | |
395 | struct mthca_cq *cq); | |
396 | void mthca_cq_event(struct mthca_dev *dev, u32 cqn); | |
397 | void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn); | |
398 | ||
399 | void mthca_qp_event(struct mthca_dev *dev, u32 qpn, | |
400 | enum ib_event_type event_type); | |
401 | int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask); | |
402 | int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, | |
403 | struct ib_send_wr **bad_wr); | |
404 | int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, | |
405 | struct ib_recv_wr **bad_wr); | |
406 | int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, | |
407 | struct ib_send_wr **bad_wr); | |
408 | int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, | |
409 | struct ib_recv_wr **bad_wr); | |
410 | int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send, | |
411 | int index, int *dbd, u32 *new_wqe); | |
412 | int mthca_alloc_qp(struct mthca_dev *dev, | |
413 | struct mthca_pd *pd, | |
414 | struct mthca_cq *send_cq, | |
415 | struct mthca_cq *recv_cq, | |
416 | enum ib_qp_type type, | |
417 | enum ib_sig_type send_policy, | |
418 | struct mthca_qp *qp); | |
419 | int mthca_alloc_sqp(struct mthca_dev *dev, | |
420 | struct mthca_pd *pd, | |
421 | struct mthca_cq *send_cq, | |
422 | struct mthca_cq *recv_cq, | |
423 | enum ib_sig_type send_policy, | |
424 | int qpn, | |
425 | int port, | |
426 | struct mthca_sqp *sqp); | |
427 | void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp); | |
428 | int mthca_create_ah(struct mthca_dev *dev, | |
429 | struct mthca_pd *pd, | |
430 | struct ib_ah_attr *ah_attr, | |
431 | struct mthca_ah *ah); | |
432 | int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah); | |
433 | int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah, | |
434 | struct ib_ud_header *header); | |
435 | ||
436 | int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); | |
437 | int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid); | |
438 | ||
439 | int mthca_process_mad(struct ib_device *ibdev, | |
440 | int mad_flags, | |
441 | u8 port_num, | |
442 | struct ib_wc *in_wc, | |
443 | struct ib_grh *in_grh, | |
444 | struct ib_mad *in_mad, | |
445 | struct ib_mad *out_mad); | |
446 | int mthca_create_agents(struct mthca_dev *dev); | |
447 | void mthca_free_agents(struct mthca_dev *dev); | |
448 | ||
449 | static inline struct mthca_dev *to_mdev(struct ib_device *ibdev) | |
450 | { | |
451 | return container_of(ibdev, struct mthca_dev, ib_dev); | |
452 | } | |
453 | ||
454 | #endif /* MTHCA_DEV_H */ |