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mlx4_en: Added self diagnostics test implementation
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / linux / mlx4 / device.h
blob2cec58722738077936e95641250353b0414f69ff
1 /*
2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. 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
33 #ifndef MLX4_DEVICE_H
34 #define MLX4_DEVICE_H
35
36 #include <linux/pci.h>
37 #include <linux/completion.h>
38 #include <linux/radix-tree.h>
39
40 #include <asm/atomic.h>
41
42 enum {
43 MLX4_FLAG_MSI_X = 1 << 0,
44 MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
45 };
46
47 enum {
48 MLX4_MAX_PORTS = 2
49 };
50
51 enum {
52 MLX4_BOARD_ID_LEN = 64
53 };
54
55 enum {
56 MLX4_DEV_CAP_FLAG_RC = 1 << 0,
57 MLX4_DEV_CAP_FLAG_UC = 1 << 1,
58 MLX4_DEV_CAP_FLAG_UD = 1 << 2,
59 MLX4_DEV_CAP_FLAG_SRQ = 1 << 6,
60 MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7,
61 MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8,
62 MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9,
63 MLX4_DEV_CAP_FLAG_DPDP = 1 << 12,
64 MLX4_DEV_CAP_FLAG_BLH = 1 << 15,
65 MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
66 MLX4_DEV_CAP_FLAG_APM = 1 << 17,
67 MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
68 MLX4_DEV_CAP_FLAG_RAW_MCAST = 1 << 19,
69 MLX4_DEV_CAP_FLAG_UD_AV_PORT = 1 << 20,
70 MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
71 };
72
73 enum {
74 MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
75 MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
76 MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
77 MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
78 MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
79 };
80
81 enum mlx4_event {
82 MLX4_EVENT_TYPE_COMP = 0x00,
83 MLX4_EVENT_TYPE_PATH_MIG = 0x01,
84 MLX4_EVENT_TYPE_COMM_EST = 0x02,
85 MLX4_EVENT_TYPE_SQ_DRAINED = 0x03,
86 MLX4_EVENT_TYPE_SRQ_QP_LAST_WQE = 0x13,
87 MLX4_EVENT_TYPE_SRQ_LIMIT = 0x14,
88 MLX4_EVENT_TYPE_CQ_ERROR = 0x04,
89 MLX4_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
90 MLX4_EVENT_TYPE_EEC_CATAS_ERROR = 0x06,
91 MLX4_EVENT_TYPE_PATH_MIG_FAILED = 0x07,
92 MLX4_EVENT_TYPE_WQ_INVAL_REQ_ERROR = 0x10,
93 MLX4_EVENT_TYPE_WQ_ACCESS_ERROR = 0x11,
94 MLX4_EVENT_TYPE_SRQ_CATAS_ERROR = 0x12,
95 MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR = 0x08,
96 MLX4_EVENT_TYPE_PORT_CHANGE = 0x09,
97 MLX4_EVENT_TYPE_EQ_OVERFLOW = 0x0f,
98 MLX4_EVENT_TYPE_ECC_DETECT = 0x0e,
99 MLX4_EVENT_TYPE_CMD = 0x0a
100 };
101
102 enum {
103 MLX4_PORT_CHANGE_SUBTYPE_DOWN = 1,
104 MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
105 };
106
107 enum {
108 MLX4_PERM_LOCAL_READ = 1 << 10,
109 MLX4_PERM_LOCAL_WRITE = 1 << 11,
110 MLX4_PERM_REMOTE_READ = 1 << 12,
111 MLX4_PERM_REMOTE_WRITE = 1 << 13,
112 MLX4_PERM_ATOMIC = 1 << 14
113 };
114
115 enum {
116 MLX4_OPCODE_NOP = 0x00,
117 MLX4_OPCODE_SEND_INVAL = 0x01,
118 MLX4_OPCODE_RDMA_WRITE = 0x08,
119 MLX4_OPCODE_RDMA_WRITE_IMM = 0x09,
120 MLX4_OPCODE_SEND = 0x0a,
121 MLX4_OPCODE_SEND_IMM = 0x0b,
122 MLX4_OPCODE_LSO = 0x0e,
123 MLX4_OPCODE_RDMA_READ = 0x10,
124 MLX4_OPCODE_ATOMIC_CS = 0x11,
125 MLX4_OPCODE_ATOMIC_FA = 0x12,
126 MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
127 MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
128 MLX4_OPCODE_BIND_MW = 0x18,
129 MLX4_OPCODE_FMR = 0x19,
130 MLX4_OPCODE_LOCAL_INVAL = 0x1b,
131 MLX4_OPCODE_CONFIG_CMD = 0x1f,
132
133 MLX4_RECV_OPCODE_RDMA_WRITE_IMM = 0x00,
134 MLX4_RECV_OPCODE_SEND = 0x01,
135 MLX4_RECV_OPCODE_SEND_IMM = 0x02,
136 MLX4_RECV_OPCODE_SEND_INVAL = 0x03,
137
138 MLX4_CQE_OPCODE_ERROR = 0x1e,
139 MLX4_CQE_OPCODE_RESIZE = 0x16,
140 };
141
142 enum {
143 MLX4_STAT_RATE_OFFSET = 5
144 };
145
146 enum {
147 MLX4_MTT_FLAG_PRESENT = 1
148 };
149
150 enum mlx4_qp_region {
151 MLX4_QP_REGION_FW = 0,
152 MLX4_QP_REGION_ETH_ADDR,
153 MLX4_QP_REGION_FC_ADDR,
154 MLX4_QP_REGION_FC_EXCH,
155 MLX4_NUM_QP_REGION
156 };
157
158 enum mlx4_port_type {
159 MLX4_PORT_TYPE_IB = 1,
160 MLX4_PORT_TYPE_ETH = 2,
161 MLX4_PORT_TYPE_AUTO = 3
162 };
163
164 enum mlx4_special_vlan_idx {
165 MLX4_NO_VLAN_IDX = 0,
166 MLX4_VLAN_MISS_IDX,
167 MLX4_VLAN_REGULAR
168 };
169
170 enum {
171 MLX4_NUM_FEXCH = 64 * 1024,
172 };
173
174 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
175 {
176 return (major << 32) | (minor << 16) | subminor;
177 }
178
179 struct mlx4_caps {
180 u64 fw_ver;
181 int num_ports;
182 int vl_cap[MLX4_MAX_PORTS + 1];
183 int ib_mtu_cap[MLX4_MAX_PORTS + 1];
184 __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
185 u64 def_mac[MLX4_MAX_PORTS + 1];
186 int eth_mtu_cap[MLX4_MAX_PORTS + 1];
187 int gid_table_len[MLX4_MAX_PORTS + 1];
188 int pkey_table_len[MLX4_MAX_PORTS + 1];
189 int local_ca_ack_delay;
190 int num_uars;
191 int bf_reg_size;
192 int bf_regs_per_page;
193 int max_sq_sg;
194 int max_rq_sg;
195 int num_qps;
196 int max_wqes;
197 int max_sq_desc_sz;
198 int max_rq_desc_sz;
199 int max_qp_init_rdma;
200 int max_qp_dest_rdma;
201 int sqp_start;
202 int num_srqs;
203 int max_srq_wqes;
204 int max_srq_sge;
205 int reserved_srqs;
206 int num_cqs;
207 int max_cqes;
208 int reserved_cqs;
209 int num_eqs;
210 int reserved_eqs;
211 int num_comp_vectors;
212 int num_mpts;
213 int num_mtt_segs;
214 int mtts_per_seg;
215 int fmr_reserved_mtts;
216 int reserved_mtts;
217 int reserved_mrws;
218 int reserved_uars;
219 int num_mgms;
220 int num_amgms;
221 int reserved_mcgs;
222 int num_qp_per_mgm;
223 int num_pds;
224 int reserved_pds;
225 int mtt_entry_sz;
226 u32 max_msg_sz;
227 u32 page_size_cap;
228 u32 flags;
229 u32 bmme_flags;
230 u32 reserved_lkey;
231 u16 stat_rate_support;
232 int loopback_support;
233 u8 port_width_cap[MLX4_MAX_PORTS + 1];
234 int max_gso_sz;
235 int reserved_qps_cnt[MLX4_NUM_QP_REGION];
236 int reserved_qps;
237 int reserved_qps_base[MLX4_NUM_QP_REGION];
238 int log_num_macs;
239 int log_num_vlans;
240 int log_num_prios;
241 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
242 u8 supported_type[MLX4_MAX_PORTS + 1];
243 u32 port_mask;
244 enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
245 };
246
247 struct mlx4_buf_list {
248 void *buf;
249 dma_addr_t map;
250 };
251
252 struct mlx4_buf {
253 struct mlx4_buf_list direct;
254 struct mlx4_buf_list *page_list;
255 int nbufs;
256 int npages;
257 int page_shift;
258 };
259
260 struct mlx4_mtt {
261 u32 first_seg;
262 int order;
263 int page_shift;
264 };
265
266 enum {
267 MLX4_DB_PER_PAGE = PAGE_SIZE / 4
268 };
269
270 struct mlx4_db_pgdir {
271 struct list_head list;
272 DECLARE_BITMAP(order0, MLX4_DB_PER_PAGE);
273 DECLARE_BITMAP(order1, MLX4_DB_PER_PAGE / 2);
274 unsigned long *bits[2];
275 __be32 *db_page;
276 dma_addr_t db_dma;
277 };
278
279 struct mlx4_ib_user_db_page;
280
281 struct mlx4_db {
282 __be32 *db;
283 union {
284 struct mlx4_db_pgdir *pgdir;
285 struct mlx4_ib_user_db_page *user_page;
286 } u;
287 dma_addr_t dma;
288 int index;
289 int order;
290 };
291
292 struct mlx4_hwq_resources {
293 struct mlx4_db db;
294 struct mlx4_mtt mtt;
295 struct mlx4_buf buf;
296 };
297
298 struct mlx4_mr {
299 struct mlx4_mtt mtt;
300 u64 iova;
301 u64 size;
302 u32 key;
303 u32 pd;
304 u32 access;
305 int enabled;
306 };
307
308 struct mlx4_fmr {
309 struct mlx4_mr mr;
310 struct mlx4_mpt_entry *mpt;
311 __be64 *mtts;
312 dma_addr_t dma_handle;
313 int max_pages;
314 int max_maps;
315 int maps;
316 u8 page_shift;
317 };
318
319 struct mlx4_uar {
320 unsigned long pfn;
321 int index;
322 };
323
324 struct mlx4_cq {
325 void (*comp) (struct mlx4_cq *);
326 void (*event) (struct mlx4_cq *, enum mlx4_event);
327
328 struct mlx4_uar *uar;
329
330 u32 cons_index;
331
332 __be32 *set_ci_db;
333 __be32 *arm_db;
334 int arm_sn;
335
336 int cqn;
337 unsigned vector;
338
339 atomic_t refcount;
340 struct completion free;
341 };
342
343 struct mlx4_qp {
344 void (*event) (struct mlx4_qp *, enum mlx4_event);
345
346 int qpn;
347
348 atomic_t refcount;
349 struct completion free;
350 };
351
352 struct mlx4_srq {
353 void (*event) (struct mlx4_srq *, enum mlx4_event);
354
355 int srqn;
356 int max;
357 int max_gs;
358 int wqe_shift;
359
360 atomic_t refcount;
361 struct completion free;
362 };
363
364 struct mlx4_av {
365 __be32 port_pd;
366 u8 reserved1;
367 u8 g_slid;
368 __be16 dlid;
369 u8 reserved2;
370 u8 gid_index;
371 u8 stat_rate;
372 u8 hop_limit;
373 __be32 sl_tclass_flowlabel;
374 u8 dgid[16];
375 };
376
377 struct mlx4_dev {
378 struct pci_dev *pdev;
379 unsigned long flags;
380 struct mlx4_caps caps;
381 struct radix_tree_root qp_table_tree;
382 u32 rev_id;
383 char board_id[MLX4_BOARD_ID_LEN];
384 };
385
386 struct mlx4_init_port_param {
387 int set_guid0;
388 int set_node_guid;
389 int set_si_guid;
390 u16 mtu;
391 int port_width_cap;
392 u16 vl_cap;
393 u16 max_gid;
394 u16 max_pkey;
395 u64 guid0;
396 u64 node_guid;
397 u64 si_guid;
398 };
399
400 #define mlx4_foreach_port(port, dev, type) \
401 for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
402 if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
403 ~(dev)->caps.port_mask) & 1 << ((port) - 1))
404
405 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
406 struct mlx4_buf *buf);
407 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
408 static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset)
409 {
410 if (BITS_PER_LONG == 64 || buf->nbufs == 1)
411 return buf->direct.buf + offset;
412 else
413 return buf->page_list[offset >> PAGE_SHIFT].buf +
414 (offset & (PAGE_SIZE - 1));
415 }
416
417 int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn);
418 void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
419
420 int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
421 void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
422
423 int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
424 struct mlx4_mtt *mtt);
425 void mlx4_mtt_cleanup(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
426 u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
427
428 int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
429 int npages, int page_shift, struct mlx4_mr *mr);
430 void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
431 int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
432 int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
433 int start_index, int npages, u64 *page_list);
434 int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
435 struct mlx4_buf *buf);
436
437 int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order);
438 void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db);
439
440 int mlx4_alloc_hwq_res(struct mlx4_dev *dev, struct mlx4_hwq_resources *wqres,
441 int size, int max_direct);
442 void mlx4_free_hwq_res(struct mlx4_dev *mdev, struct mlx4_hwq_resources *wqres,
443 int size);
444
445 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
446 struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
447 unsigned vector, int collapsed);
448 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
449
450 int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
451 void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
452
453 int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
454 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
455
456 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
457 u64 db_rec, struct mlx4_srq *srq);
458 void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq);
459 int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark);
460 int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark);
461
462 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port);
463 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port);
464
465 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
466 int block_mcast_loopback);
467 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
468
469 int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
470 void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
471
472 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
473 void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
474
475 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
476 int npages, u64 iova, u32 *lkey, u32 *rkey);
477 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
478 int max_maps, u8 page_shift, struct mlx4_fmr *fmr);
479 int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
480 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
481 u32 *lkey, u32 *rkey);
482 int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
483 int mlx4_SYNC_TPT(struct mlx4_dev *dev);
484 int mlx4_test_interrupts(struct mlx4_dev *dev);
485
486 #endif /* MLX4_DEVICE_H */
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