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,
65 MTHCA_FLAG_FMR = 1 << 6
73 MTHCA_EQ_CONTEXT_SIZE = 0x40,
74 MTHCA_CQ_CONTEXT_SIZE = 0x40,
75 MTHCA_QP_CONTEXT_SIZE = 0x200,
76 MTHCA_RDB_ENTRY_SIZE = 0x20,
78 MTHCA_MGM_ENTRY_SIZE = 0x40,
80 /* Arbel FW gives us these, but we need them for Tavor */
81 MTHCA_MPT_ENTRY_SIZE = 0x40,
82 MTHCA_MTT_SEG_SIZE = 0x40,
93 MTHCA_OPCODE_NOP = 0x00,
94 MTHCA_OPCODE_RDMA_WRITE = 0x08,
95 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
96 MTHCA_OPCODE_SEND = 0x0a,
97 MTHCA_OPCODE_SEND_IMM = 0x0b,
98 MTHCA_OPCODE_RDMA_READ = 0x10,
99 MTHCA_OPCODE_ATOMIC_CS = 0x11,
100 MTHCA_OPCODE_ATOMIC_FA = 0x12,
101 MTHCA_OPCODE_BIND_MW = 0x18,
102 MTHCA_OPCODE_INVALID = 0xff
107 struct semaphore hcr_sem;
108 struct semaphore poll_sem;
109 struct semaphore event_sem;
111 spinlock_t context_lock;
113 struct mthca_cmd_context *context;
117 struct mthca_limits {
123 int local_ca_ack_delay;
138 int fmr_reserved_mtts;
155 unsigned long *table;
165 struct mthca_uar_table {
166 struct mthca_alloc alloc;
171 struct mthca_pd_table {
172 struct mthca_alloc alloc;
176 unsigned long **bits;
181 struct mthca_mr_table {
182 struct mthca_alloc mpt_alloc;
183 struct mthca_buddy mtt_buddy;
184 struct mthca_buddy *fmr_mtt_buddy;
187 struct mthca_icm_table *mtt_table;
188 struct mthca_icm_table *mpt_table;
190 void __iomem *mpt_base;
191 void __iomem *mtt_base;
192 struct mthca_buddy mtt_buddy;
196 struct mthca_eq_table {
197 struct mthca_alloc alloc;
198 void __iomem *clr_int;
201 struct mthca_eq eq[MTHCA_NUM_EQ];
203 struct page *icm_page;
209 struct mthca_cq_table {
210 struct mthca_alloc alloc;
212 struct mthca_array cq;
213 struct mthca_icm_table *table;
216 struct mthca_qp_table {
217 struct mthca_alloc alloc;
222 struct mthca_array qp;
223 struct mthca_icm_table *qp_table;
224 struct mthca_icm_table *eqp_table;
225 struct mthca_icm_table *rdb_table;
228 struct mthca_av_table {
229 struct pci_pool *pool;
232 void __iomem *av_map;
233 struct mthca_alloc alloc;
236 struct mthca_mcg_table {
237 struct semaphore sem;
238 struct mthca_alloc alloc;
239 struct mthca_icm_table *table;
243 struct ib_device ib_dev;
244 struct pci_dev *pdev;
247 unsigned long mthca_flags;
248 unsigned long device_cap_flags;
263 struct mthca_icm *fw_icm;
264 struct mthca_icm *aux_icm;
272 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
273 struct semaphore cap_mask_mutex;
277 void __iomem *clr_base;
280 void __iomem *ecr_base;
283 void __iomem *eq_arm;
284 void __iomem *eq_set_ci_base;
288 struct mthca_cmd cmd;
289 struct mthca_limits limits;
291 struct mthca_uar_table uar_table;
292 struct mthca_pd_table pd_table;
293 struct mthca_mr_table mr_table;
294 struct mthca_eq_table eq_table;
295 struct mthca_cq_table cq_table;
296 struct mthca_qp_table qp_table;
297 struct mthca_av_table av_table;
298 struct mthca_mcg_table mcg_table;
300 struct mthca_uar driver_uar;
301 struct mthca_db_table *db_tab;
302 struct mthca_pd driver_pd;
303 struct mthca_mr driver_mr;
305 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
306 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
310 #define mthca_dbg(mdev, format, arg...) \
311 dev_dbg(&mdev->pdev->dev, format, ## arg)
312 #define mthca_err(mdev, format, arg...) \
313 dev_err(&mdev->pdev->dev, format, ## arg)
314 #define mthca_info(mdev, format, arg...) \
315 dev_info(&mdev->pdev->dev, format, ## arg)
316 #define mthca_warn(mdev, format, arg...) \
317 dev_warn(&mdev->pdev->dev, format, ## arg)
319 extern void __buggy_use_of_MTHCA_GET(void);
320 extern void __buggy_use_of_MTHCA_PUT(void);
322 #define MTHCA_GET(dest, source, offset) \
324 void *__p = (char *) (source) + (offset); \
325 switch (sizeof (dest)) { \
326 case 1: (dest) = *(u8 *) __p; break; \
327 case 2: (dest) = be16_to_cpup(__p); break; \
328 case 4: (dest) = be32_to_cpup(__p); break; \
329 case 8: (dest) = be64_to_cpup(__p); break; \
330 default: __buggy_use_of_MTHCA_GET(); \
334 #define MTHCA_PUT(dest, source, offset) \
336 __typeof__(source) *__p = \
337 (__typeof__(source) *) ((char *) (dest) + (offset)); \
338 switch (sizeof(source)) { \
339 case 1: *__p = (source); break; \
340 case 2: *__p = cpu_to_be16(source); break; \
341 case 4: *__p = cpu_to_be32(source); break; \
342 case 8: *__p = cpu_to_be64(source); break; \
343 default: __buggy_use_of_MTHCA_PUT(); \
347 int mthca_reset(struct mthca_dev *mdev);
349 u32 mthca_alloc(struct mthca_alloc *alloc);
350 void mthca_free(struct mthca_alloc *alloc, u32 obj);
351 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
353 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
354 void *mthca_array_get(struct mthca_array *array, int index);
355 int mthca_array_set(struct mthca_array *array, int index, void *value);
356 void mthca_array_clear(struct mthca_array *array, int index);
357 int mthca_array_init(struct mthca_array *array, int nent);
358 void mthca_array_cleanup(struct mthca_array *array, int nent);
360 int mthca_init_uar_table(struct mthca_dev *dev);
361 int mthca_init_pd_table(struct mthca_dev *dev);
362 int mthca_init_mr_table(struct mthca_dev *dev);
363 int mthca_init_eq_table(struct mthca_dev *dev);
364 int mthca_init_cq_table(struct mthca_dev *dev);
365 int mthca_init_qp_table(struct mthca_dev *dev);
366 int mthca_init_av_table(struct mthca_dev *dev);
367 int mthca_init_mcg_table(struct mthca_dev *dev);
369 void mthca_cleanup_uar_table(struct mthca_dev *dev);
370 void mthca_cleanup_pd_table(struct mthca_dev *dev);
371 void mthca_cleanup_mr_table(struct mthca_dev *dev);
372 void mthca_cleanup_eq_table(struct mthca_dev *dev);
373 void mthca_cleanup_cq_table(struct mthca_dev *dev);
374 void mthca_cleanup_qp_table(struct mthca_dev *dev);
375 void mthca_cleanup_av_table(struct mthca_dev *dev);
376 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
378 int mthca_register_device(struct mthca_dev *dev);
379 void mthca_unregister_device(struct mthca_dev *dev);
381 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
382 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
384 int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd);
385 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
387 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
388 u32 access, struct mthca_mr *mr);
389 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
390 u64 *buffer_list, int buffer_size_shift,
391 int list_len, u64 iova, u64 total_size,
392 u32 access, struct mthca_mr *mr);
393 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
395 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
396 u32 access, struct mthca_fmr *fmr);
397 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
398 int list_len, u64 iova);
399 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
400 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
401 int list_len, u64 iova);
402 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
403 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
405 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
406 void mthca_unmap_eq_icm(struct mthca_dev *dev);
408 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
409 struct ib_wc *entry);
410 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
411 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
412 int mthca_init_cq(struct mthca_dev *dev, int nent,
413 struct mthca_cq *cq);
414 void mthca_free_cq(struct mthca_dev *dev,
415 struct mthca_cq *cq);
416 void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
417 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
419 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
420 enum ib_event_type event_type);
421 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
422 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
423 struct ib_send_wr **bad_wr);
424 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
425 struct ib_recv_wr **bad_wr);
426 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
427 struct ib_send_wr **bad_wr);
428 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
429 struct ib_recv_wr **bad_wr);
430 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
431 int index, int *dbd, u32 *new_wqe);
432 int mthca_alloc_qp(struct mthca_dev *dev,
434 struct mthca_cq *send_cq,
435 struct mthca_cq *recv_cq,
436 enum ib_qp_type type,
437 enum ib_sig_type send_policy,
438 struct mthca_qp *qp);
439 int mthca_alloc_sqp(struct mthca_dev *dev,
441 struct mthca_cq *send_cq,
442 struct mthca_cq *recv_cq,
443 enum ib_sig_type send_policy,
446 struct mthca_sqp *sqp);
447 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
448 int mthca_create_ah(struct mthca_dev *dev,
450 struct ib_ah_attr *ah_attr,
451 struct mthca_ah *ah);
452 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
453 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
454 struct ib_ud_header *header);
456 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
457 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
459 int mthca_process_mad(struct ib_device *ibdev,
463 struct ib_grh *in_grh,
464 struct ib_mad *in_mad,
465 struct ib_mad *out_mad);
466 int mthca_create_agents(struct mthca_dev *dev);
467 void mthca_free_agents(struct mthca_dev *dev);
469 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
471 return container_of(ibdev, struct mthca_dev, ib_dev);
474 static inline int mthca_is_memfree(struct mthca_dev *dev)
476 return dev->hca_type == ARBEL_NATIVE;
479 #endif /* MTHCA_DEV_H */