]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - drivers/net/mlx4/mlx4.h
mlx4: Update/add Mellanox Technologies copyright lines to mlx4 driver files
[mirror_ubuntu-zesty-kernel.git] / drivers / net / mlx4 / mlx4.h
CommitLineData
225c7b1f
RD
1/*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved.
51a379d0 5 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
225c7b1f
RD
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
7 *
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:
13 *
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
16 * conditions are met:
17 *
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer.
21 *
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.
26 *
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
34 * SOFTWARE.
35 */
36
37#ifndef MLX4_H
38#define MLX4_H
39
525f5f44 40#include <linux/mutex.h>
225c7b1f 41#include <linux/radix-tree.h>
ee49bd93 42#include <linux/timer.h>
225c7b1f
RD
43
44#include <linux/mlx4/device.h>
37608eea 45#include <linux/mlx4/driver.h>
225c7b1f
RD
46#include <linux/mlx4/doorbell.h>
47
48#define DRV_NAME "mlx4_core"
49#define PFX DRV_NAME ": "
50#define DRV_VERSION "0.01"
51#define DRV_RELDATE "May 1, 2007"
52
53enum {
54 MLX4_HCR_BASE = 0x80680,
55 MLX4_HCR_SIZE = 0x0001c,
56 MLX4_CLR_INT_SIZE = 0x00008
57};
58
225c7b1f 59enum {
e57ac0c2 60 MLX4_MGM_ENTRY_SIZE = 0x100,
225c7b1f
RD
61 MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2),
62 MLX4_MTT_ENTRY_PER_SEG = 8
63};
64
65enum {
66 MLX4_EQ_ASYNC,
67 MLX4_EQ_COMP,
225c7b1f
RD
68 MLX4_NUM_EQ
69};
70
71enum {
72 MLX4_NUM_PDS = 1 << 15
73};
74
75enum {
76 MLX4_CMPT_TYPE_QP = 0,
77 MLX4_CMPT_TYPE_SRQ = 1,
78 MLX4_CMPT_TYPE_CQ = 2,
79 MLX4_CMPT_TYPE_EQ = 3,
80 MLX4_CMPT_NUM_TYPE
81};
82
83enum {
84 MLX4_CMPT_SHIFT = 24,
85 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
86};
87
88#ifdef CONFIG_MLX4_DEBUG
89extern int mlx4_debug_level;
90
91#define mlx4_dbg(mdev, format, arg...) \
92 do { \
93 if (mlx4_debug_level) \
94 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \
95 } while (0)
96
97#else /* CONFIG_MLX4_DEBUG */
98
99#define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0)
100
101#endif /* CONFIG_MLX4_DEBUG */
102
103#define mlx4_err(mdev, format, arg...) \
104 dev_err(&mdev->pdev->dev, format, ## arg)
105#define mlx4_info(mdev, format, arg...) \
106 dev_info(&mdev->pdev->dev, format, ## arg)
107#define mlx4_warn(mdev, format, arg...) \
108 dev_warn(&mdev->pdev->dev, format, ## arg)
109
110struct mlx4_bitmap {
111 u32 last;
112 u32 top;
113 u32 max;
114 u32 mask;
115 spinlock_t lock;
116 unsigned long *table;
117};
118
119struct mlx4_buddy {
120 unsigned long **bits;
e4044cfc 121 unsigned int *num_free;
225c7b1f
RD
122 int max_order;
123 spinlock_t lock;
124};
125
126struct mlx4_icm;
127
128struct mlx4_icm_table {
129 u64 virt;
130 int num_icm;
131 int num_obj;
132 int obj_size;
133 int lowmem;
5b0bf5e2 134 int coherent;
225c7b1f
RD
135 struct mutex mutex;
136 struct mlx4_icm **icm;
137};
138
139struct mlx4_eq {
140 struct mlx4_dev *dev;
141 void __iomem *doorbell;
142 int eqn;
143 u32 cons_index;
144 u16 irq;
145 u16 have_irq;
146 int nent;
147 struct mlx4_buf_list *page_list;
148 struct mlx4_mtt mtt;
149};
150
151struct mlx4_profile {
152 int num_qp;
153 int rdmarc_per_qp;
154 int num_srq;
155 int num_cq;
156 int num_mcg;
157 int num_mpt;
158 int num_mtt;
159};
160
161struct mlx4_fw {
162 u64 clr_int_base;
163 u64 catas_offset;
164 struct mlx4_icm *fw_icm;
165 struct mlx4_icm *aux_icm;
166 u32 catas_size;
167 u16 fw_pages;
168 u8 clr_int_bar;
169 u8 catas_bar;
170};
171
172struct mlx4_cmd {
173 struct pci_pool *pool;
174 void __iomem *hcr;
175 struct mutex hcr_mutex;
176 struct semaphore poll_sem;
177 struct semaphore event_sem;
178 int max_cmds;
179 spinlock_t context_lock;
180 int free_head;
181 struct mlx4_cmd_context *context;
182 u16 token_mask;
183 u8 use_events;
184 u8 toggle;
185};
186
187struct mlx4_uar_table {
188 struct mlx4_bitmap bitmap;
189};
190
191struct mlx4_mr_table {
192 struct mlx4_bitmap mpt_bitmap;
193 struct mlx4_buddy mtt_buddy;
194 u64 mtt_base;
195 u64 mpt_base;
196 struct mlx4_icm_table mtt_table;
197 struct mlx4_icm_table dmpt_table;
198};
199
200struct mlx4_cq_table {
201 struct mlx4_bitmap bitmap;
202 spinlock_t lock;
203 struct radix_tree_root tree;
204 struct mlx4_icm_table table;
205 struct mlx4_icm_table cmpt_table;
206};
207
208struct mlx4_eq_table {
209 struct mlx4_bitmap bitmap;
210 void __iomem *clr_int;
211 void __iomem *uar_map[(MLX4_NUM_EQ + 6) / 4];
212 u32 clr_mask;
213 struct mlx4_eq eq[MLX4_NUM_EQ];
214 u64 icm_virt;
215 struct page *icm_page;
216 dma_addr_t icm_dma;
217 struct mlx4_icm_table cmpt_table;
218 int have_irq;
219 u8 inta_pin;
220};
221
222struct mlx4_srq_table {
223 struct mlx4_bitmap bitmap;
224 spinlock_t lock;
225 struct radix_tree_root tree;
226 struct mlx4_icm_table table;
227 struct mlx4_icm_table cmpt_table;
228};
229
230struct mlx4_qp_table {
231 struct mlx4_bitmap bitmap;
232 u32 rdmarc_base;
233 int rdmarc_shift;
234 spinlock_t lock;
235 struct mlx4_icm_table qp_table;
236 struct mlx4_icm_table auxc_table;
237 struct mlx4_icm_table altc_table;
238 struct mlx4_icm_table rdmarc_table;
239 struct mlx4_icm_table cmpt_table;
240};
241
242struct mlx4_mcg_table {
243 struct mutex mutex;
244 struct mlx4_bitmap bitmap;
245 struct mlx4_icm_table table;
246};
247
248struct mlx4_catas_err {
249 u32 __iomem *map;
ee49bd93
JM
250 struct timer_list timer;
251 struct list_head list;
225c7b1f
RD
252};
253
254struct mlx4_priv {
255 struct mlx4_dev dev;
256
257 struct list_head dev_list;
258 struct list_head ctx_list;
259 spinlock_t ctx_lock;
260
6296883c
YP
261 struct list_head pgdir_list;
262 struct mutex pgdir_mutex;
263
225c7b1f
RD
264 struct mlx4_fw fw;
265 struct mlx4_cmd cmd;
266
267 struct mlx4_bitmap pd_bitmap;
268 struct mlx4_uar_table uar_table;
269 struct mlx4_mr_table mr_table;
270 struct mlx4_cq_table cq_table;
271 struct mlx4_eq_table eq_table;
272 struct mlx4_srq_table srq_table;
273 struct mlx4_qp_table qp_table;
274 struct mlx4_mcg_table mcg_table;
275
276 struct mlx4_catas_err catas_err;
277
278 void __iomem *clr_base;
279
280 struct mlx4_uar driver_uar;
281 void __iomem *kar;
225c7b1f
RD
282};
283
284static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
285{
286 return container_of(dev, struct mlx4_priv, dev);
287}
288
289u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
290void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
291int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved);
292void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
293
294int mlx4_reset(struct mlx4_dev *dev);
295
296int mlx4_init_pd_table(struct mlx4_dev *dev);
297int mlx4_init_uar_table(struct mlx4_dev *dev);
298int mlx4_init_mr_table(struct mlx4_dev *dev);
299int mlx4_init_eq_table(struct mlx4_dev *dev);
300int mlx4_init_cq_table(struct mlx4_dev *dev);
301int mlx4_init_qp_table(struct mlx4_dev *dev);
302int mlx4_init_srq_table(struct mlx4_dev *dev);
303int mlx4_init_mcg_table(struct mlx4_dev *dev);
304
305void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
306void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
307void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
308void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
309void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
310void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
311void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
312void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
313
ee49bd93
JM
314void mlx4_start_catas_poll(struct mlx4_dev *dev);
315void mlx4_stop_catas_poll(struct mlx4_dev *dev);
316int mlx4_catas_init(void);
317void mlx4_catas_cleanup(void);
318int mlx4_restart_one(struct pci_dev *pdev);
225c7b1f
RD
319int mlx4_register_device(struct mlx4_dev *dev);
320void mlx4_unregister_device(struct mlx4_dev *dev);
37608eea 321void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port);
225c7b1f
RD
322
323struct mlx4_dev_cap;
324struct mlx4_init_hca_param;
325
326u64 mlx4_make_profile(struct mlx4_dev *dev,
327 struct mlx4_profile *request,
328 struct mlx4_dev_cap *dev_cap,
329 struct mlx4_init_hca_param *init_hca);
330
331int mlx4_map_eq_icm(struct mlx4_dev *dev, u64 icm_virt);
332void mlx4_unmap_eq_icm(struct mlx4_dev *dev);
333
334int mlx4_cmd_init(struct mlx4_dev *dev);
335void mlx4_cmd_cleanup(struct mlx4_dev *dev);
336void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
337int mlx4_cmd_use_events(struct mlx4_dev *dev);
338void mlx4_cmd_use_polling(struct mlx4_dev *dev);
339
340void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
341void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
342
343void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
344
345void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
346
347void mlx4_handle_catas_err(struct mlx4_dev *dev);
348
349#endif /* MLX4_H */