2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
39 #include <linux/spinlock.h>
40 #include <linux/kernel.h>
41 #include <linux/pci.h>
42 #include <linux/dma-mapping.h>
43 #include <asm/semaphore.h>
45 #include "mthca_provider.h"
46 #include "mthca_doorbell.h"
48 #define DRV_NAME "ib_mthca"
49 #define PFX DRV_NAME ": "
50 #define DRV_VERSION "0.06-pre"
51 #define DRV_RELDATE "November 8, 2004"
54 MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
55 MTHCA_FLAG_SRQ = 1 << 2,
56 MTHCA_FLAG_MSI = 1 << 3,
57 MTHCA_FLAG_MSI_X = 1 << 4,
58 MTHCA_FLAG_NO_LAM = 1 << 5,
59 MTHCA_FLAG_FMR = 1 << 6,
60 MTHCA_FLAG_MEMFREE = 1 << 7,
61 MTHCA_FLAG_PCIE = 1 << 8
69 MTHCA_EQ_CONTEXT_SIZE = 0x40,
70 MTHCA_CQ_CONTEXT_SIZE = 0x40,
71 MTHCA_QP_CONTEXT_SIZE = 0x200,
72 MTHCA_RDB_ENTRY_SIZE = 0x20,
74 MTHCA_MGM_ENTRY_SIZE = 0x40,
76 /* Arbel FW gives us these, but we need them for Tavor */
77 MTHCA_MPT_ENTRY_SIZE = 0x40,
78 MTHCA_MTT_SEG_SIZE = 0x40,
89 MTHCA_OPCODE_NOP = 0x00,
90 MTHCA_OPCODE_RDMA_WRITE = 0x08,
91 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
92 MTHCA_OPCODE_SEND = 0x0a,
93 MTHCA_OPCODE_SEND_IMM = 0x0b,
94 MTHCA_OPCODE_RDMA_READ = 0x10,
95 MTHCA_OPCODE_ATOMIC_CS = 0x11,
96 MTHCA_OPCODE_ATOMIC_FA = 0x12,
97 MTHCA_OPCODE_BIND_MW = 0x18,
98 MTHCA_OPCODE_INVALID = 0xff
103 struct semaphore hcr_sem;
104 struct semaphore poll_sem;
105 struct semaphore event_sem;
107 spinlock_t context_lock;
109 struct mthca_cmd_context *context;
113 struct mthca_limits {
119 int local_ca_ack_delay;
134 int fmr_reserved_mtts;
151 unsigned long *table;
161 struct mthca_uar_table {
162 struct mthca_alloc alloc;
167 struct mthca_pd_table {
168 struct mthca_alloc alloc;
172 unsigned long **bits;
177 struct mthca_mr_table {
178 struct mthca_alloc mpt_alloc;
179 struct mthca_buddy mtt_buddy;
180 struct mthca_buddy *fmr_mtt_buddy;
183 struct mthca_icm_table *mtt_table;
184 struct mthca_icm_table *mpt_table;
186 void __iomem *mpt_base;
187 void __iomem *mtt_base;
188 struct mthca_buddy mtt_buddy;
192 struct mthca_eq_table {
193 struct mthca_alloc alloc;
194 void __iomem *clr_int;
197 struct mthca_eq eq[MTHCA_NUM_EQ];
199 struct page *icm_page;
205 struct mthca_cq_table {
206 struct mthca_alloc alloc;
208 struct mthca_array cq;
209 struct mthca_icm_table *table;
212 struct mthca_qp_table {
213 struct mthca_alloc alloc;
218 struct mthca_array qp;
219 struct mthca_icm_table *qp_table;
220 struct mthca_icm_table *eqp_table;
221 struct mthca_icm_table *rdb_table;
224 struct mthca_av_table {
225 struct pci_pool *pool;
228 void __iomem *av_map;
229 struct mthca_alloc alloc;
232 struct mthca_mcg_table {
233 struct semaphore sem;
234 struct mthca_alloc alloc;
235 struct mthca_icm_table *table;
239 struct ib_device ib_dev;
240 struct pci_dev *pdev;
243 unsigned long mthca_flags;
244 unsigned long device_cap_flags;
259 struct mthca_icm *fw_icm;
260 struct mthca_icm *aux_icm;
268 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
269 struct semaphore cap_mask_mutex;
273 void __iomem *clr_base;
276 void __iomem *ecr_base;
279 void __iomem *eq_arm;
280 void __iomem *eq_set_ci_base;
284 struct mthca_cmd cmd;
285 struct mthca_limits limits;
287 struct mthca_uar_table uar_table;
288 struct mthca_pd_table pd_table;
289 struct mthca_mr_table mr_table;
290 struct mthca_eq_table eq_table;
291 struct mthca_cq_table cq_table;
292 struct mthca_qp_table qp_table;
293 struct mthca_av_table av_table;
294 struct mthca_mcg_table mcg_table;
296 struct mthca_uar driver_uar;
297 struct mthca_db_table *db_tab;
298 struct mthca_pd driver_pd;
299 struct mthca_mr driver_mr;
301 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
302 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
306 #define mthca_dbg(mdev, format, arg...) \
307 dev_dbg(&mdev->pdev->dev, format, ## arg)
308 #define mthca_err(mdev, format, arg...) \
309 dev_err(&mdev->pdev->dev, format, ## arg)
310 #define mthca_info(mdev, format, arg...) \
311 dev_info(&mdev->pdev->dev, format, ## arg)
312 #define mthca_warn(mdev, format, arg...) \
313 dev_warn(&mdev->pdev->dev, format, ## arg)
315 extern void __buggy_use_of_MTHCA_GET(void);
316 extern void __buggy_use_of_MTHCA_PUT(void);
318 #define MTHCA_GET(dest, source, offset) \
320 void *__p = (char *) (source) + (offset); \
321 switch (sizeof (dest)) { \
322 case 1: (dest) = *(u8 *) __p; break; \
323 case 2: (dest) = be16_to_cpup(__p); break; \
324 case 4: (dest) = be32_to_cpup(__p); break; \
325 case 8: (dest) = be64_to_cpup(__p); break; \
326 default: __buggy_use_of_MTHCA_GET(); \
330 #define MTHCA_PUT(dest, source, offset) \
332 __typeof__(source) *__p = \
333 (__typeof__(source) *) ((char *) (dest) + (offset)); \
334 switch (sizeof(source)) { \
335 case 1: *__p = (source); break; \
336 case 2: *__p = cpu_to_be16(source); break; \
337 case 4: *__p = cpu_to_be32(source); break; \
338 case 8: *__p = cpu_to_be64(source); break; \
339 default: __buggy_use_of_MTHCA_PUT(); \
343 int mthca_reset(struct mthca_dev *mdev);
345 u32 mthca_alloc(struct mthca_alloc *alloc);
346 void mthca_free(struct mthca_alloc *alloc, u32 obj);
347 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
349 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
350 void *mthca_array_get(struct mthca_array *array, int index);
351 int mthca_array_set(struct mthca_array *array, int index, void *value);
352 void mthca_array_clear(struct mthca_array *array, int index);
353 int mthca_array_init(struct mthca_array *array, int nent);
354 void mthca_array_cleanup(struct mthca_array *array, int nent);
356 int mthca_init_uar_table(struct mthca_dev *dev);
357 int mthca_init_pd_table(struct mthca_dev *dev);
358 int mthca_init_mr_table(struct mthca_dev *dev);
359 int mthca_init_eq_table(struct mthca_dev *dev);
360 int mthca_init_cq_table(struct mthca_dev *dev);
361 int mthca_init_qp_table(struct mthca_dev *dev);
362 int mthca_init_av_table(struct mthca_dev *dev);
363 int mthca_init_mcg_table(struct mthca_dev *dev);
365 void mthca_cleanup_uar_table(struct mthca_dev *dev);
366 void mthca_cleanup_pd_table(struct mthca_dev *dev);
367 void mthca_cleanup_mr_table(struct mthca_dev *dev);
368 void mthca_cleanup_eq_table(struct mthca_dev *dev);
369 void mthca_cleanup_cq_table(struct mthca_dev *dev);
370 void mthca_cleanup_qp_table(struct mthca_dev *dev);
371 void mthca_cleanup_av_table(struct mthca_dev *dev);
372 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
374 int mthca_register_device(struct mthca_dev *dev);
375 void mthca_unregister_device(struct mthca_dev *dev);
377 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
378 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
380 int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd);
381 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
383 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
384 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
385 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
386 int start_index, u64 *buffer_list, int list_len);
387 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
388 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
389 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
390 u32 access, struct mthca_mr *mr);
391 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
392 u64 *buffer_list, int buffer_size_shift,
393 int list_len, u64 iova, u64 total_size,
394 u32 access, struct mthca_mr *mr);
395 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
397 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
398 u32 access, struct mthca_fmr *fmr);
399 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
400 int list_len, u64 iova);
401 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
402 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
403 int list_len, u64 iova);
404 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
405 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
407 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
408 void mthca_unmap_eq_icm(struct mthca_dev *dev);
410 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
411 struct ib_wc *entry);
412 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
413 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
414 int mthca_init_cq(struct mthca_dev *dev, int nent,
415 struct mthca_cq *cq);
416 void mthca_free_cq(struct mthca_dev *dev,
417 struct mthca_cq *cq);
418 void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
419 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
421 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
422 enum ib_event_type event_type);
423 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
424 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
425 struct ib_send_wr **bad_wr);
426 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
427 struct ib_recv_wr **bad_wr);
428 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
429 struct ib_send_wr **bad_wr);
430 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
431 struct ib_recv_wr **bad_wr);
432 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
433 int index, int *dbd, u32 *new_wqe);
434 int mthca_alloc_qp(struct mthca_dev *dev,
436 struct mthca_cq *send_cq,
437 struct mthca_cq *recv_cq,
438 enum ib_qp_type type,
439 enum ib_sig_type send_policy,
440 struct mthca_qp *qp);
441 int mthca_alloc_sqp(struct mthca_dev *dev,
443 struct mthca_cq *send_cq,
444 struct mthca_cq *recv_cq,
445 enum ib_sig_type send_policy,
448 struct mthca_sqp *sqp);
449 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
450 int mthca_create_ah(struct mthca_dev *dev,
452 struct ib_ah_attr *ah_attr,
453 struct mthca_ah *ah);
454 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
455 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
456 struct ib_ud_header *header);
458 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
459 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
461 int mthca_process_mad(struct ib_device *ibdev,
465 struct ib_grh *in_grh,
466 struct ib_mad *in_mad,
467 struct ib_mad *out_mad);
468 int mthca_create_agents(struct mthca_dev *dev);
469 void mthca_free_agents(struct mthca_dev *dev);
471 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
473 return container_of(ibdev, struct mthca_dev, ib_dev);
476 static inline int mthca_is_memfree(struct mthca_dev *dev)
478 return dev->mthca_flags & MTHCA_FLAG_MEMFREE;
481 #endif /* MTHCA_DEV_H */