2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
32 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
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>
44 #include "mthca_provider.h"
45 #include "mthca_doorbell.h"
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"
52 /* Types of supported HCA */
55 ARBEL_COMPAT, /* MT25208 in Tavor compat mode */
56 ARBEL_NATIVE /* MT25208 with extended features */
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
72 MTHCA_EQ_CONTEXT_SIZE = 0x40,
73 MTHCA_CQ_CONTEXT_SIZE = 0x40,
74 MTHCA_QP_CONTEXT_SIZE = 0x200,
75 MTHCA_RDB_ENTRY_SIZE = 0x20,
77 MTHCA_MGM_ENTRY_SIZE = 0x40,
79 /* Arbel FW gives us these, but we need them for Tavor */
80 MTHCA_MPT_ENTRY_SIZE = 0x40,
81 MTHCA_MTT_SEG_SIZE = 0x40,
93 struct semaphore hcr_sem;
94 struct semaphore poll_sem;
95 struct semaphore event_sem;
97 spinlock_t context_lock;
99 struct mthca_cmd_context *context;
103 struct mthca_limits {
109 int local_ca_ack_delay;
140 unsigned long *table;
150 struct mthca_uar_table {
151 struct mthca_alloc alloc;
156 struct mthca_pd_table {
157 struct mthca_alloc alloc;
160 struct mthca_mr_table {
161 struct mthca_alloc mpt_alloc;
163 unsigned long **mtt_buddy;
165 struct mthca_icm_table *mtt_table;
166 struct mthca_icm_table *mpt_table;
169 struct mthca_eq_table {
170 struct mthca_alloc alloc;
171 void __iomem *clr_int;
174 struct mthca_eq eq[MTHCA_NUM_EQ];
176 struct page *icm_page;
182 struct mthca_cq_table {
183 struct mthca_alloc alloc;
185 struct mthca_array cq;
186 struct mthca_icm_table *table;
189 struct mthca_qp_table {
190 struct mthca_alloc alloc;
195 struct mthca_array qp;
196 struct mthca_icm_table *qp_table;
197 struct mthca_icm_table *eqp_table;
200 struct mthca_av_table {
201 struct pci_pool *pool;
204 void __iomem *av_map;
205 struct mthca_alloc alloc;
208 struct mthca_mcg_table {
209 struct semaphore sem;
210 struct mthca_alloc alloc;
211 struct mthca_icm_table *table;
215 struct ib_device ib_dev;
216 struct pci_dev *pdev;
219 unsigned long mthca_flags;
220 unsigned long device_cap_flags;
235 struct mthca_icm *fw_icm;
236 struct mthca_icm *aux_icm;
244 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
245 struct semaphore cap_mask_mutex;
249 void __iomem *clr_base;
252 void __iomem *ecr_base;
255 void __iomem *eq_arm;
256 void __iomem *eq_set_ci_base;
260 struct mthca_cmd cmd;
261 struct mthca_limits limits;
263 struct mthca_uar_table uar_table;
264 struct mthca_pd_table pd_table;
265 struct mthca_mr_table mr_table;
266 struct mthca_eq_table eq_table;
267 struct mthca_cq_table cq_table;
268 struct mthca_qp_table qp_table;
269 struct mthca_av_table av_table;
270 struct mthca_mcg_table mcg_table;
272 struct mthca_uar driver_uar;
273 struct mthca_db_table *db_tab;
274 struct mthca_pd driver_pd;
275 struct mthca_mr driver_mr;
277 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
278 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
282 #define mthca_dbg(mdev, format, arg...) \
283 dev_dbg(&mdev->pdev->dev, format, ## arg)
284 #define mthca_err(mdev, format, arg...) \
285 dev_err(&mdev->pdev->dev, format, ## arg)
286 #define mthca_info(mdev, format, arg...) \
287 dev_info(&mdev->pdev->dev, format, ## arg)
288 #define mthca_warn(mdev, format, arg...) \
289 dev_warn(&mdev->pdev->dev, format, ## arg)
291 extern void __buggy_use_of_MTHCA_GET(void);
292 extern void __buggy_use_of_MTHCA_PUT(void);
294 #define MTHCA_GET(dest, source, offset) \
296 void *__p = (char *) (source) + (offset); \
297 switch (sizeof (dest)) { \
298 case 1: (dest) = *(u8 *) __p; break; \
299 case 2: (dest) = be16_to_cpup(__p); break; \
300 case 4: (dest) = be32_to_cpup(__p); break; \
301 case 8: (dest) = be64_to_cpup(__p); break; \
302 default: __buggy_use_of_MTHCA_GET(); \
306 #define MTHCA_PUT(dest, source, offset) \
308 __typeof__(source) *__p = \
309 (__typeof__(source) *) ((char *) (dest) + (offset)); \
310 switch (sizeof(source)) { \
311 case 1: *__p = (source); break; \
312 case 2: *__p = cpu_to_be16(source); break; \
313 case 4: *__p = cpu_to_be32(source); break; \
314 case 8: *__p = cpu_to_be64(source); break; \
315 default: __buggy_use_of_MTHCA_PUT(); \
319 int mthca_reset(struct mthca_dev *mdev);
321 u32 mthca_alloc(struct mthca_alloc *alloc);
322 void mthca_free(struct mthca_alloc *alloc, u32 obj);
323 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
325 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
326 void *mthca_array_get(struct mthca_array *array, int index);
327 int mthca_array_set(struct mthca_array *array, int index, void *value);
328 void mthca_array_clear(struct mthca_array *array, int index);
329 int mthca_array_init(struct mthca_array *array, int nent);
330 void mthca_array_cleanup(struct mthca_array *array, int nent);
332 int mthca_init_uar_table(struct mthca_dev *dev);
333 int mthca_init_pd_table(struct mthca_dev *dev);
334 int mthca_init_mr_table(struct mthca_dev *dev);
335 int mthca_init_eq_table(struct mthca_dev *dev);
336 int mthca_init_cq_table(struct mthca_dev *dev);
337 int mthca_init_qp_table(struct mthca_dev *dev);
338 int mthca_init_av_table(struct mthca_dev *dev);
339 int mthca_init_mcg_table(struct mthca_dev *dev);
341 void mthca_cleanup_uar_table(struct mthca_dev *dev);
342 void mthca_cleanup_pd_table(struct mthca_dev *dev);
343 void mthca_cleanup_mr_table(struct mthca_dev *dev);
344 void mthca_cleanup_eq_table(struct mthca_dev *dev);
345 void mthca_cleanup_cq_table(struct mthca_dev *dev);
346 void mthca_cleanup_qp_table(struct mthca_dev *dev);
347 void mthca_cleanup_av_table(struct mthca_dev *dev);
348 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
350 int mthca_register_device(struct mthca_dev *dev);
351 void mthca_unregister_device(struct mthca_dev *dev);
353 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
354 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
356 int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd);
357 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
359 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
360 u32 access, struct mthca_mr *mr);
361 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
362 u64 *buffer_list, int buffer_size_shift,
363 int list_len, u64 iova, u64 total_size,
364 u32 access, struct mthca_mr *mr);
365 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
367 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
368 void mthca_unmap_eq_icm(struct mthca_dev *dev);
370 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
371 struct ib_wc *entry);
372 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
373 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
374 int mthca_init_cq(struct mthca_dev *dev, int nent,
375 struct mthca_cq *cq);
376 void mthca_free_cq(struct mthca_dev *dev,
377 struct mthca_cq *cq);
378 void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
379 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
381 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
382 enum ib_event_type event_type);
383 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
384 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
385 struct ib_send_wr **bad_wr);
386 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
387 struct ib_recv_wr **bad_wr);
388 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
389 struct ib_send_wr **bad_wr);
390 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
391 struct ib_recv_wr **bad_wr);
392 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
393 int index, int *dbd, u32 *new_wqe);
394 int mthca_alloc_qp(struct mthca_dev *dev,
396 struct mthca_cq *send_cq,
397 struct mthca_cq *recv_cq,
398 enum ib_qp_type type,
399 enum ib_sig_type send_policy,
400 struct mthca_qp *qp);
401 int mthca_alloc_sqp(struct mthca_dev *dev,
403 struct mthca_cq *send_cq,
404 struct mthca_cq *recv_cq,
405 enum ib_sig_type send_policy,
408 struct mthca_sqp *sqp);
409 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
410 int mthca_create_ah(struct mthca_dev *dev,
412 struct ib_ah_attr *ah_attr,
413 struct mthca_ah *ah);
414 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
415 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
416 struct ib_ud_header *header);
418 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
419 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
421 int mthca_process_mad(struct ib_device *ibdev,
425 struct ib_grh *in_grh,
426 struct ib_mad *in_mad,
427 struct ib_mad *out_mad);
428 int mthca_create_agents(struct mthca_dev *dev);
429 void mthca_free_agents(struct mthca_dev *dev);
431 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
433 return container_of(ibdev, struct mthca_dev, ib_dev);
436 #endif /* MTHCA_DEV_H */