[PATCH] IB/mthca: split MR key munging routines
[linux-block.git] / drivers / infiniband / hw / mthca / mthca_dev.h
CommitLineData
1da177e4
LT
1/*
2 * Copyright (c) 2004, 2005 Topspin Communications. 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 * $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
33 */
34
35#ifndef MTHCA_DEV_H
36#define MTHCA_DEV_H
37
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>
43
44#include "mthca_provider.h"
45#include "mthca_doorbell.h"
46
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"
51
52/* Types of supported HCA */
53enum {
54 TAVOR, /* MT23108 */
55 ARBEL_COMPAT, /* MT25208 in Tavor compat mode */
56 ARBEL_NATIVE /* MT25208 with extended features */
57};
58
59enum {
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};
66
67enum {
68 MTHCA_MAX_PORTS = 2
69};
70
71enum {
72 MTHCA_EQ_CONTEXT_SIZE = 0x40,
73 MTHCA_CQ_CONTEXT_SIZE = 0x40,
74 MTHCA_QP_CONTEXT_SIZE = 0x200,
75 MTHCA_RDB_ENTRY_SIZE = 0x20,
76 MTHCA_AV_SIZE = 0x20,
77 MTHCA_MGM_ENTRY_SIZE = 0x40,
78
79 /* Arbel FW gives us these, but we need them for Tavor */
80 MTHCA_MPT_ENTRY_SIZE = 0x40,
81 MTHCA_MTT_SEG_SIZE = 0x40,
82};
83
84enum {
85 MTHCA_EQ_CMD,
86 MTHCA_EQ_ASYNC,
87 MTHCA_EQ_COMP,
88 MTHCA_NUM_EQ
89};
90
2a4443a6
MT
91enum {
92 MTHCA_OPCODE_NOP = 0x00,
93 MTHCA_OPCODE_RDMA_WRITE = 0x08,
94 MTHCA_OPCODE_RDMA_WRITE_IMM = 0x09,
95 MTHCA_OPCODE_SEND = 0x0a,
96 MTHCA_OPCODE_SEND_IMM = 0x0b,
97 MTHCA_OPCODE_RDMA_READ = 0x10,
98 MTHCA_OPCODE_ATOMIC_CS = 0x11,
99 MTHCA_OPCODE_ATOMIC_FA = 0x12,
100 MTHCA_OPCODE_BIND_MW = 0x18,
101 MTHCA_OPCODE_INVALID = 0xff
102};
103
1da177e4
LT
104struct mthca_cmd {
105 int use_events;
106 struct semaphore hcr_sem;
107 struct semaphore poll_sem;
108 struct semaphore event_sem;
109 int max_cmds;
110 spinlock_t context_lock;
111 int free_head;
112 struct mthca_cmd_context *context;
113 u16 token_mask;
114};
115
116struct mthca_limits {
117 int num_ports;
118 int vl_cap;
119 int mtu_cap;
120 int gid_table_len;
121 int pkey_table_len;
122 int local_ca_ack_delay;
123 int num_uars;
124 int max_sg;
125 int num_qps;
126 int reserved_qps;
127 int num_srqs;
128 int reserved_srqs;
129 int num_eecs;
130 int reserved_eecs;
131 int num_cqs;
132 int reserved_cqs;
133 int num_eqs;
134 int reserved_eqs;
135 int num_mpts;
136 int num_mtt_segs;
1da177e4
LT
137 int reserved_mtts;
138 int reserved_mrws;
139 int reserved_uars;
140 int num_mgms;
141 int num_amgms;
142 int reserved_mcgs;
143 int num_pds;
144 int reserved_pds;
145};
146
147struct mthca_alloc {
148 u32 last;
149 u32 top;
150 u32 max;
151 u32 mask;
152 spinlock_t lock;
153 unsigned long *table;
154};
155
156struct mthca_array {
157 struct {
158 void **page;
159 int used;
160 } *page_list;
161};
162
163struct mthca_uar_table {
164 struct mthca_alloc alloc;
165 u64 uarc_base;
166 int uarc_size;
167};
168
169struct mthca_pd_table {
170 struct mthca_alloc alloc;
171};
172
9095e208
MT
173struct mthca_buddy {
174 unsigned long **bits;
175 int max_order;
176 spinlock_t lock;
177};
178
1da177e4
LT
179struct mthca_mr_table {
180 struct mthca_alloc mpt_alloc;
9095e208 181 struct mthca_buddy mtt_buddy;
1da177e4
LT
182 u64 mtt_base;
183 struct mthca_icm_table *mtt_table;
184 struct mthca_icm_table *mpt_table;
185};
186
187struct mthca_eq_table {
188 struct mthca_alloc alloc;
189 void __iomem *clr_int;
190 u32 clr_mask;
191 u32 arm_mask;
192 struct mthca_eq eq[MTHCA_NUM_EQ];
193 u64 icm_virt;
194 struct page *icm_page;
195 dma_addr_t icm_dma;
196 int have_irq;
197 u8 inta_pin;
198};
199
200struct mthca_cq_table {
201 struct mthca_alloc alloc;
202 spinlock_t lock;
203 struct mthca_array cq;
204 struct mthca_icm_table *table;
205};
206
207struct mthca_qp_table {
208 struct mthca_alloc alloc;
209 u32 rdb_base;
210 int rdb_shift;
211 int sqp_start;
212 spinlock_t lock;
213 struct mthca_array qp;
214 struct mthca_icm_table *qp_table;
215 struct mthca_icm_table *eqp_table;
216};
217
218struct mthca_av_table {
219 struct pci_pool *pool;
220 int num_ddr_avs;
221 u64 ddr_av_base;
222 void __iomem *av_map;
223 struct mthca_alloc alloc;
224};
225
226struct mthca_mcg_table {
227 struct semaphore sem;
228 struct mthca_alloc alloc;
229 struct mthca_icm_table *table;
230};
231
232struct mthca_dev {
233 struct ib_device ib_dev;
234 struct pci_dev *pdev;
235
236 int hca_type;
237 unsigned long mthca_flags;
238 unsigned long device_cap_flags;
239
240 u32 rev_id;
241
242 /* firmware info */
243 u64 fw_ver;
244 union {
245 struct {
246 u64 fw_start;
247 u64 fw_end;
248 } tavor;
249 struct {
250 u64 clr_int_base;
251 u64 eq_arm_base;
252 u64 eq_set_ci_base;
253 struct mthca_icm *fw_icm;
254 struct mthca_icm *aux_icm;
255 u16 fw_pages;
256 } arbel;
257 } fw;
258
259 u64 ddr_start;
260 u64 ddr_end;
261
262 MTHCA_DECLARE_DOORBELL_LOCK(doorbell_lock)
263 struct semaphore cap_mask_mutex;
264
265 void __iomem *hcr;
266 void __iomem *kar;
267 void __iomem *clr_base;
268 union {
269 struct {
270 void __iomem *ecr_base;
271 } tavor;
272 struct {
273 void __iomem *eq_arm;
274 void __iomem *eq_set_ci_base;
275 } arbel;
276 } eq_regs;
277
278 struct mthca_cmd cmd;
279 struct mthca_limits limits;
280
281 struct mthca_uar_table uar_table;
282 struct mthca_pd_table pd_table;
283 struct mthca_mr_table mr_table;
284 struct mthca_eq_table eq_table;
285 struct mthca_cq_table cq_table;
286 struct mthca_qp_table qp_table;
287 struct mthca_av_table av_table;
288 struct mthca_mcg_table mcg_table;
289
290 struct mthca_uar driver_uar;
291 struct mthca_db_table *db_tab;
292 struct mthca_pd driver_pd;
293 struct mthca_mr driver_mr;
294
295 struct ib_mad_agent *send_agent[MTHCA_MAX_PORTS][2];
296 struct ib_ah *sm_ah[MTHCA_MAX_PORTS];
297 spinlock_t sm_lock;
298};
299
300#define mthca_dbg(mdev, format, arg...) \
301 dev_dbg(&mdev->pdev->dev, format, ## arg)
302#define mthca_err(mdev, format, arg...) \
303 dev_err(&mdev->pdev->dev, format, ## arg)
304#define mthca_info(mdev, format, arg...) \
305 dev_info(&mdev->pdev->dev, format, ## arg)
306#define mthca_warn(mdev, format, arg...) \
307 dev_warn(&mdev->pdev->dev, format, ## arg)
308
309extern void __buggy_use_of_MTHCA_GET(void);
310extern void __buggy_use_of_MTHCA_PUT(void);
311
312#define MTHCA_GET(dest, source, offset) \
313 do { \
314 void *__p = (char *) (source) + (offset); \
315 switch (sizeof (dest)) { \
316 case 1: (dest) = *(u8 *) __p; break; \
317 case 2: (dest) = be16_to_cpup(__p); break; \
318 case 4: (dest) = be32_to_cpup(__p); break; \
319 case 8: (dest) = be64_to_cpup(__p); break; \
320 default: __buggy_use_of_MTHCA_GET(); \
321 } \
322 } while (0)
323
324#define MTHCA_PUT(dest, source, offset) \
325 do { \
326 __typeof__(source) *__p = \
327 (__typeof__(source) *) ((char *) (dest) + (offset)); \
328 switch (sizeof(source)) { \
329 case 1: *__p = (source); break; \
330 case 2: *__p = cpu_to_be16(source); break; \
331 case 4: *__p = cpu_to_be32(source); break; \
332 case 8: *__p = cpu_to_be64(source); break; \
333 default: __buggy_use_of_MTHCA_PUT(); \
334 } \
335 } while (0)
336
337int mthca_reset(struct mthca_dev *mdev);
338
339u32 mthca_alloc(struct mthca_alloc *alloc);
340void mthca_free(struct mthca_alloc *alloc, u32 obj);
341int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
342 u32 reserved);
343void mthca_alloc_cleanup(struct mthca_alloc *alloc);
344void *mthca_array_get(struct mthca_array *array, int index);
345int mthca_array_set(struct mthca_array *array, int index, void *value);
346void mthca_array_clear(struct mthca_array *array, int index);
347int mthca_array_init(struct mthca_array *array, int nent);
348void mthca_array_cleanup(struct mthca_array *array, int nent);
349
350int mthca_init_uar_table(struct mthca_dev *dev);
351int mthca_init_pd_table(struct mthca_dev *dev);
352int mthca_init_mr_table(struct mthca_dev *dev);
353int mthca_init_eq_table(struct mthca_dev *dev);
354int mthca_init_cq_table(struct mthca_dev *dev);
355int mthca_init_qp_table(struct mthca_dev *dev);
356int mthca_init_av_table(struct mthca_dev *dev);
357int mthca_init_mcg_table(struct mthca_dev *dev);
358
359void mthca_cleanup_uar_table(struct mthca_dev *dev);
360void mthca_cleanup_pd_table(struct mthca_dev *dev);
361void mthca_cleanup_mr_table(struct mthca_dev *dev);
362void mthca_cleanup_eq_table(struct mthca_dev *dev);
363void mthca_cleanup_cq_table(struct mthca_dev *dev);
364void mthca_cleanup_qp_table(struct mthca_dev *dev);
365void mthca_cleanup_av_table(struct mthca_dev *dev);
366void mthca_cleanup_mcg_table(struct mthca_dev *dev);
367
368int mthca_register_device(struct mthca_dev *dev);
369void mthca_unregister_device(struct mthca_dev *dev);
370
371int mthca_uar_alloc(struct mthca_dev *dev, struct mthca_uar *uar);
372void mthca_uar_free(struct mthca_dev *dev, struct mthca_uar *uar);
373
374int mthca_pd_alloc(struct mthca_dev *dev, struct mthca_pd *pd);
375void mthca_pd_free(struct mthca_dev *dev, struct mthca_pd *pd);
376
377int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
378 u32 access, struct mthca_mr *mr);
379int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
380 u64 *buffer_list, int buffer_size_shift,
381 int list_len, u64 iova, u64 total_size,
382 u32 access, struct mthca_mr *mr);
383void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr);
384
385int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt);
386void mthca_unmap_eq_icm(struct mthca_dev *dev);
387
388int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
389 struct ib_wc *entry);
390int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
391int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
392int mthca_init_cq(struct mthca_dev *dev, int nent,
393 struct mthca_cq *cq);
394void mthca_free_cq(struct mthca_dev *dev,
395 struct mthca_cq *cq);
396void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
397void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
398
399void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
400 enum ib_event_type event_type);
401int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask);
402int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
403 struct ib_send_wr **bad_wr);
404int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
405 struct ib_recv_wr **bad_wr);
406int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
407 struct ib_send_wr **bad_wr);
408int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
409 struct ib_recv_wr **bad_wr);
410int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
411 int index, int *dbd, u32 *new_wqe);
412int mthca_alloc_qp(struct mthca_dev *dev,
413 struct mthca_pd *pd,
414 struct mthca_cq *send_cq,
415 struct mthca_cq *recv_cq,
416 enum ib_qp_type type,
417 enum ib_sig_type send_policy,
418 struct mthca_qp *qp);
419int mthca_alloc_sqp(struct mthca_dev *dev,
420 struct mthca_pd *pd,
421 struct mthca_cq *send_cq,
422 struct mthca_cq *recv_cq,
423 enum ib_sig_type send_policy,
424 int qpn,
425 int port,
426 struct mthca_sqp *sqp);
427void mthca_free_qp(struct mthca_dev *dev, struct mthca_qp *qp);
428int mthca_create_ah(struct mthca_dev *dev,
429 struct mthca_pd *pd,
430 struct ib_ah_attr *ah_attr,
431 struct mthca_ah *ah);
432int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah);
433int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
434 struct ib_ud_header *header);
435
436int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
437int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid);
438
439int mthca_process_mad(struct ib_device *ibdev,
440 int mad_flags,
441 u8 port_num,
442 struct ib_wc *in_wc,
443 struct ib_grh *in_grh,
444 struct ib_mad *in_mad,
445 struct ib_mad *out_mad);
446int mthca_create_agents(struct mthca_dev *dev);
447void mthca_free_agents(struct mthca_dev *dev);
448
449static inline struct mthca_dev *to_mdev(struct ib_device *ibdev)
450{
451 return container_of(ibdev, struct mthca_dev, ib_dev);
452}
453
454#endif /* MTHCA_DEV_H */