2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005 Cisco Systems. All rights reserved.
5 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
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:
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
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.
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
36 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
42 #include <linux/spinlock.h>
43 #include <linux/kernel.h>
44 #include <linux/pci.h>
45 #include <linux/dma-mapping.h>
46 #include <asm/semaphore.h>
48 #include "mthca_provider.h"
49 #include "mthca_doorbell.h"
51 #define DRV_NAME "ib_mthca"
52 #define PFX DRV_NAME ": "
53 #define DRV_VERSION "0.06"
54 #define DRV_RELDATE "June 23, 2005"
57 MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
58 MTHCA_FLAG_SRQ = 1 << 2,
59 MTHCA_FLAG_MSI = 1 << 3,
60 MTHCA_FLAG_MSI_X = 1 << 4,
61 MTHCA_FLAG_NO_LAM = 1 << 5,
62 MTHCA_FLAG_FMR = 1 << 6,
63 MTHCA_FLAG_MEMFREE = 1 << 7,
64 MTHCA_FLAG_PCIE = 1 << 8
72 MTHCA_BOARD_ID_LEN = 64
76 MTHCA_EQ_CONTEXT_SIZE = 0x40,
77 MTHCA_CQ_CONTEXT_SIZE = 0x40,
78 MTHCA_QP_CONTEXT_SIZE = 0x200,
79 MTHCA_RDB_ENTRY_SIZE = 0x20,
81 MTHCA_MGM_ENTRY_SIZE = 0x40,
83 /* Arbel FW gives us these, but we need them for Tavor */
84 MTHCA_MPT_ENTRY_SIZE = 0x40,
85 MTHCA_MTT_SEG_SIZE = 0x40,
96 MTHCA_OPCODE_NOP = 0x00,
97 MTHCA_OPCODE_RDMA_WRITE = 0x08,
98 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
99 MTHCA_OPCODE_SEND = 0x0a,
100 MTHCA_OPCODE_SEND_IMM = 0x0b,
101 MTHCA_OPCODE_RDMA_READ = 0x10,
102 MTHCA_OPCODE_ATOMIC_CS = 0x11,
103 MTHCA_OPCODE_ATOMIC_FA = 0x12,
104 MTHCA_OPCODE_BIND_MW = 0x18,
105 MTHCA_OPCODE_INVALID = 0xff
109 struct pci_pool *pool;
111 struct semaphore hcr_sem;
112 struct semaphore poll_sem;
113 struct semaphore event_sem;
115 spinlock_t context_lock;
117 struct mthca_cmd_context *context;
121 struct mthca_limits {
127 int local_ca_ack_delay;
142 int fmr_reserved_mtts;
160 unsigned long *table;
170 struct mthca_uar_table {
171 struct mthca_alloc alloc;
176 struct mthca_pd_table {
177 struct mthca_alloc alloc;
181 unsigned long **bits;
186 struct mthca_mr_table {
187 struct mthca_alloc mpt_alloc;
188 struct mthca_buddy mtt_buddy;
189 struct mthca_buddy *fmr_mtt_buddy;
192 struct mthca_icm_table *mtt_table;
193 struct mthca_icm_table *mpt_table;
195 void __iomem *mpt_base;
196 void __iomem *mtt_base;
197 struct mthca_buddy mtt_buddy;
201 struct mthca_eq_table {
202 struct mthca_alloc alloc;
203 void __iomem *clr_int;
206 struct mthca_eq eq[MTHCA_NUM_EQ];
208 struct page *icm_page;
214 struct mthca_cq_table {
215 struct mthca_alloc alloc;
217 struct mthca_array cq;
218 struct mthca_icm_table *table;
221 struct mthca_qp_table {
222 struct mthca_alloc alloc;
227 struct mthca_array qp;
228 struct mthca_icm_table *qp_table;
229 struct mthca_icm_table *eqp_table;
230 struct mthca_icm_table *rdb_table;
233 struct mthca_av_table {
234 struct pci_pool *pool;
237 void __iomem *av_map;
238 struct mthca_alloc alloc;
241 struct mthca_mcg_table {
242 struct semaphore sem;
243 struct mthca_alloc alloc;
244 struct mthca_icm_table *table;
248 struct ib_device ib_dev;
249 struct pci_dev *pdev;
252 unsigned long mthca_flags;
253 unsigned long device_cap_flags;
256 char board_id[MTHCA_BOARD_ID_LEN];
269 struct mthca_icm *fw_icm;
270 struct mthca_icm *aux_icm;
278 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
279 struct semaphore cap_mask_mutex;
283 void __iomem *clr_base;
286 void __iomem *ecr_base;
289 void __iomem *eq_arm;
290 void __iomem *eq_set_ci_base;
294 struct mthca_cmd cmd;
295 struct mthca_limits limits;
297 struct mthca_uar_table uar_table;
298 struct mthca_pd_table pd_table;
299 struct mthca_mr_table mr_table;
300 struct mthca_eq_table eq_table;
301 struct mthca_cq_table cq_table;
302 struct mthca_qp_table qp_table;
303 struct mthca_av_table av_table;
304 struct mthca_mcg_table mcg_table;
306 struct mthca_uar driver_uar;
307 struct mthca_db_table *db_tab;
308 struct mthca_pd driver_pd;
309 struct mthca_mr driver_mr;
311 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
312 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
316 #define mthca_dbg(mdev, format, arg...) \
317 dev_dbg(&mdev->pdev->dev, format, ## arg)
318 #define mthca_err(mdev, format, arg...) \
319 dev_err(&mdev->pdev->dev, format, ## arg)
320 #define mthca_info(mdev, format, arg...) \
321 dev_info(&mdev->pdev->dev, format, ## arg)
322 #define mthca_warn(mdev, format, arg...) \
323 dev_warn(&mdev->pdev->dev, format, ## arg)
325 extern void __buggy_use_of_MTHCA_GET(void);
326 extern void __buggy_use_of_MTHCA_PUT(void);
328 #define MTHCA_GET(dest, source, offset) \
330 void *__p = (char *) (source) + (offset); \
331 switch (sizeof (dest)) { \
332 case 1: (dest) = *(u8 *) __p; break; \
333 case 2: (dest) = be16_to_cpup(__p); break; \
334 case 4: (dest) = be32_to_cpup(__p); break; \
335 case 8: (dest) = be64_to_cpup(__p); break; \
336 default: __buggy_use_of_MTHCA_GET(); \
340 #define MTHCA_PUT(dest, source, offset) \
342 void *__d = ((char *) (dest) + (offset)); \
343 switch (sizeof(source)) { \
344 case 1: *(u8 *) __d = (source); break; \
345 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
346 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
347 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
348 default: __buggy_use_of_MTHCA_PUT(); \
352 int mthca_reset(struct mthca_dev *mdev);
354 u32 mthca_alloc(struct mthca_alloc *alloc);
355 void mthca_free(struct mthca_alloc *alloc, u32 obj);
356 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
358 void mthca_alloc_cleanup(struct mthca_alloc *alloc);
359 void *mthca_array_get(struct mthca_array *array, int index);
360 int mthca_array_set(struct mthca_array *array, int index, void *value);
361 void mthca_array_clear(struct mthca_array *array, int index);
362 int mthca_array_init(struct mthca_array *array, int nent);
363 void mthca_array_cleanup(struct mthca_array *array, int nent);
365 int mthca_init_uar_table(struct mthca_dev *dev);
366 int mthca_init_pd_table(struct mthca_dev *dev);
367 int mthca_init_mr_table(struct mthca_dev *dev);
368 int mthca_init_eq_table(struct mthca_dev *dev);
369 int mthca_init_cq_table(struct mthca_dev *dev);
370 int mthca_init_qp_table(struct mthca_dev *dev);
371 int mthca_init_av_table(struct mthca_dev *dev);
372 int mthca_init_mcg_table(struct mthca_dev *dev);
374 void mthca_cleanup_uar_table(struct mthca_dev *dev);
375 void mthca_cleanup_pd_table(struct mthca_dev *dev);
376 void mthca_cleanup_mr_table(struct mthca_dev *dev);
377 void mthca_cleanup_eq_table(struct mthca_dev *dev);
378 void mthca_cleanup_cq_table(struct mthca_dev *dev);
379 void mthca_cleanup_qp_table(struct mthca_dev *dev);
380 void mthca_cleanup_av_table(struct mthca_dev *dev);
381 void mthca_cleanup_mcg_table(struct mthca_dev *dev);
383 int mthca_register_device(struct mthca_dev *dev);
384 void mthca_unregister_device(struct mthca_dev *dev);
386 int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
387 void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
389 int mthca_pd_alloc(struct mthca_dev *dev, int privileged, struct mthca_pd *pd);
390 void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
392 struct mthca_mtt *mthca_alloc_mtt(struct mthca_dev *dev, int size);
393 void mthca_free_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt);
394 int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
395 int start_index, u64 *buffer_list, int list_len);
396 int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
397 u64 iova, u64 total_size, u32 access, struct mthca_mr *mr);
398 int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
399 u32 access, struct mthca_mr *mr);
400 int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
401 u64 *buffer_list, int buffer_size_shift,
402 int list_len, u64 iova, u64 total_size,
403 u32 access, struct mthca_mr *mr);
404 void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
406 int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
407 u32 access, struct mthca_fmr *fmr);
408 int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
409 int list_len, u64 iova);
410 void mthca_tavor_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
411 int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
412 int list_len, u64 iova);
413 void mthca_arbel_fmr_unmap(struct mthca_dev *dev, struct mthca_fmr *fmr);
414 int mthca_free_fmr(struct mthca_dev *dev, struct mthca_fmr *fmr);
416 int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
417 void mthca_unmap_eq_icm(struct mthca_dev *dev);
419 int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
420 struct ib_wc *entry);
421 int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
422 int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
423 int mthca_init_cq(struct mthca_dev *dev, int nent,
424 struct mthca_ucontext *ctx, u32 pdn,
425 struct mthca_cq *cq);
426 void mthca_free_cq(struct mthca_dev *dev,
427 struct mthca_cq *cq);
428 void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
429 void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
431 void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
432 enum ib_event_type event_type);
433 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
434 int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
435 struct ib_send_wr **bad_wr);
436 int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
437 struct ib_recv_wr **bad_wr);
438 int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
439 struct ib_send_wr **bad_wr);
440 int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
441 struct ib_recv_wr **bad_wr);
442 int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
443 int index, int *dbd, __be32 *new_wqe);
444 int mthca_alloc_qp(struct mthca_dev *dev,
446 struct mthca_cq *send_cq,
447 struct mthca_cq *recv_cq,
448 enum ib_qp_type type,
449 enum ib_sig_type send_policy,
450 struct ib_qp_cap *cap,
451 struct mthca_qp *qp);
452 int mthca_alloc_sqp(struct mthca_dev *dev,
454 struct mthca_cq *send_cq,
455 struct mthca_cq *recv_cq,
456 enum ib_sig_type send_policy,
457 struct ib_qp_cap *cap,
460 struct mthca_sqp *sqp);
461 void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
462 int mthca_create_ah(struct mthca_dev *dev,
464 struct ib_ah_attr *ah_attr,
465 struct mthca_ah *ah);
466 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
467 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
468 struct ib_ud_header *header);
470 int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
471 int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
473 int mthca_process_mad(struct ib_device *ibdev,
477 struct ib_grh *in_grh,
478 struct ib_mad *in_mad,
479 struct ib_mad *out_mad);
480 int mthca_create_agents(struct mthca_dev *dev);
481 void mthca_free_agents(struct mthca_dev *dev);
483 static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
485 return container_of(ibdev, struct mthca_dev, ib_dev);
488 static inline int mthca_is_memfree(struct mthca_dev *dev)
490 return dev->mthca_flags & MTHCA_FLAG_MEMFREE;
493 #endif /* MTHCA_DEV_H */