qed: Add support for memory registeration verbs
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qed / qed.h
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1/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
9#ifndef _QED_H
10#define _QED_H
11
12#include <linux/types.h>
13#include <linux/io.h>
14#include <linux/delay.h>
15#include <linux/firmware.h>
16#include <linux/interrupt.h>
17#include <linux/list.h>
18#include <linux/mutex.h>
19#include <linux/pci.h>
20#include <linux/slab.h>
21#include <linux/string.h>
22#include <linux/workqueue.h>
23#include <linux/zlib.h>
24#include <linux/hashtable.h>
25#include <linux/qed/qed_if.h>
c965db44 26#include "qed_debug.h"
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27#include "qed_hsi.h"
28
25c089d7 29extern const struct qed_common_ops qed_common_ops_pass;
05fafbfb 30#define DRV_MODULE_VERSION "8.10.9.20"
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31
32#define MAX_HWFNS_PER_DEVICE (4)
33#define NAME_SIZE 16
34#define VER_SIZE 16
35
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36#define QED_WFQ_UNIT 100
37
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38#define QED_WID_SIZE (1024)
39#define QED_PF_DEMS_SIZE (4)
40
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41/* cau states */
42enum qed_coalescing_mode {
43 QED_COAL_MODE_DISABLE,
44 QED_COAL_MODE_ENABLE
45};
46
47struct qed_eth_cb_ops;
48struct qed_dev_info;
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49union qed_mcp_protocol_stats;
50enum qed_mcp_protocol_type;
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51
52/* helpers */
53static inline u32 qed_db_addr(u32 cid, u32 DEMS)
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54{
55 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
56 (cid * QED_PF_DEMS_SIZE);
57
58 return db_addr;
59}
60
61static inline u32 qed_db_addr_vf(u32 cid, u32 DEMS)
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62{
63 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
64 FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
65
66 return db_addr;
67}
68
69#define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
70 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
71 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
72
73#define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
74
75#define D_TRINE(val, cond1, cond2, true1, true2, def) \
76 (val == (cond1) ? true1 : \
77 (val == (cond2) ? true2 : def))
78
79/* forward */
80struct qed_ptt_pool;
81struct qed_spq;
82struct qed_sb_info;
83struct qed_sb_attn_info;
84struct qed_cxt_mngr;
85struct qed_sb_sp_info;
0a7fb11c 86struct qed_ll2_info;
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87struct qed_mcp_info;
88
89struct qed_rt_data {
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90 u32 *init_val;
91 bool *b_valid;
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92};
93
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94enum qed_tunn_mode {
95 QED_MODE_L2GENEVE_TUNN,
96 QED_MODE_IPGENEVE_TUNN,
97 QED_MODE_L2GRE_TUNN,
98 QED_MODE_IPGRE_TUNN,
99 QED_MODE_VXLAN_TUNN,
100};
101
102enum qed_tunn_clss {
103 QED_TUNN_CLSS_MAC_VLAN,
104 QED_TUNN_CLSS_MAC_VNI,
105 QED_TUNN_CLSS_INNER_MAC_VLAN,
106 QED_TUNN_CLSS_INNER_MAC_VNI,
107 MAX_QED_TUNN_CLSS,
108};
109
110struct qed_tunn_start_params {
111 unsigned long tunn_mode;
112 u16 vxlan_udp_port;
113 u16 geneve_udp_port;
114 u8 update_vxlan_udp_port;
115 u8 update_geneve_udp_port;
116 u8 tunn_clss_vxlan;
117 u8 tunn_clss_l2geneve;
118 u8 tunn_clss_ipgeneve;
119 u8 tunn_clss_l2gre;
120 u8 tunn_clss_ipgre;
121};
122
123struct qed_tunn_update_params {
124 unsigned long tunn_mode_update_mask;
125 unsigned long tunn_mode;
126 u16 vxlan_udp_port;
127 u16 geneve_udp_port;
128 u8 update_rx_pf_clss;
129 u8 update_tx_pf_clss;
130 u8 update_vxlan_udp_port;
131 u8 update_geneve_udp_port;
132 u8 tunn_clss_vxlan;
133 u8 tunn_clss_l2geneve;
134 u8 tunn_clss_ipgeneve;
135 u8 tunn_clss_l2gre;
136 u8 tunn_clss_ipgre;
137};
138
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139/* The PCI personality is not quite synonymous to protocol ID:
140 * 1. All personalities need CORE connections
141 * 2. The Ethernet personality may support also the RoCE protocol
142 */
143enum qed_pci_personality {
144 QED_PCI_ETH,
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145 QED_PCI_ISCSI,
146 QED_PCI_ETH_ROCE,
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147 QED_PCI_DEFAULT /* default in shmem */
148};
149
150/* All VFs are symmetric, all counters are PF + all VFs */
151struct qed_qm_iids {
152 u32 cids;
153 u32 vf_cids;
154 u32 tids;
155};
156
157enum QED_RESOURCES {
158 QED_SB,
25c089d7 159 QED_L2_QUEUE,
fe56b9e6 160 QED_VPORT,
25c089d7 161 QED_RSS_ENG,
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162 QED_PQ,
163 QED_RL,
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164 QED_MAC,
165 QED_VLAN,
51ff1725 166 QED_RDMA_CNQ_RAM,
fe56b9e6 167 QED_ILT,
0a7fb11c 168 QED_LL2_QUEUE,
51ff1725 169 QED_RDMA_STATS_QUEUE,
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170 QED_MAX_RESC,
171};
172
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173enum QED_FEATURE {
174 QED_PF_L2_QUE,
32a47e72 175 QED_VF,
51ff1725 176 QED_RDMA_CNQ,
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177 QED_MAX_FEATURES,
178};
179
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180enum QED_PORT_MODE {
181 QED_PORT_MODE_DE_2X40G,
182 QED_PORT_MODE_DE_2X50G,
183 QED_PORT_MODE_DE_1X100G,
184 QED_PORT_MODE_DE_4X10G_F,
185 QED_PORT_MODE_DE_4X10G_E,
186 QED_PORT_MODE_DE_4X20G,
187 QED_PORT_MODE_DE_1X40G,
188 QED_PORT_MODE_DE_2X25G,
189 QED_PORT_MODE_DE_1X25G
190};
191
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192enum qed_dev_cap {
193 QED_DEV_CAP_ETH,
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194 QED_DEV_CAP_ISCSI,
195 QED_DEV_CAP_ROCE,
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196};
197
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198struct qed_hw_info {
199 /* PCI personality */
200 enum qed_pci_personality personality;
201
202 /* Resource Allocation scheme results */
203 u32 resc_start[QED_MAX_RESC];
204 u32 resc_num[QED_MAX_RESC];
25c089d7 205 u32 feat_num[QED_MAX_FEATURES];
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206
207#define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
208#define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
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209#define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
210 RESC_NUM(_p_hwfn, resc))
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211#define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
212
213 u8 num_tc;
214 u8 offload_tc;
215 u8 non_offload_tc;
216
217 u32 concrete_fid;
218 u16 opaque_fid;
219 u16 ovlan;
220 u32 part_num[4];
221
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222 unsigned char hw_mac_addr[ETH_ALEN];
223
224 struct qed_igu_info *p_igu_info;
225
226 u32 port_mode;
227 u32 hw_mode;
fc48b7a6 228 unsigned long device_capabilities;
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229};
230
231struct qed_hw_cid_data {
232 u32 cid;
233 bool b_cid_allocated;
234
235 /* Additional identifiers */
236 u16 opaque_fid;
237 u8 vport_id;
238};
239
240/* maximun size of read/write commands (HW limit) */
241#define DMAE_MAX_RW_SIZE 0x2000
242
243struct qed_dmae_info {
244 /* Mutex for synchronizing access to functions */
245 struct mutex mutex;
246
247 u8 channel;
248
249 dma_addr_t completion_word_phys_addr;
250
251 /* The memory location where the DMAE writes the completion
252 * value when an operation is finished on this context.
253 */
254 u32 *p_completion_word;
255
256 dma_addr_t intermediate_buffer_phys_addr;
257
258 /* An intermediate buffer for DMAE operations that use virtual
259 * addresses - data is DMA'd to/from this buffer and then
260 * memcpy'd to/from the virtual address
261 */
262 u32 *p_intermediate_buffer;
263
264 dma_addr_t dmae_cmd_phys_addr;
265 struct dmae_cmd *p_dmae_cmd;
266};
267
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268struct qed_wfq_data {
269 /* when feature is configured for at least 1 vport */
270 u32 min_speed;
271 bool configured;
272};
273
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274struct qed_qm_info {
275 struct init_qm_pq_params *qm_pq_params;
276 struct init_qm_vport_params *qm_vport_params;
277 struct init_qm_port_params *qm_port_params;
278 u16 start_pq;
279 u8 start_vport;
280 u8 pure_lb_pq;
281 u8 offload_pq;
282 u8 pure_ack_pq;
dbb799c3 283 u8 ooo_pq;
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284 u8 vf_queues_offset;
285 u16 num_pqs;
286 u16 num_vf_pqs;
287 u8 num_vports;
288 u8 max_phys_tcs_per_port;
289 bool pf_rl_en;
290 bool pf_wfq_en;
291 bool vport_rl_en;
292 bool vport_wfq_en;
293 u8 pf_wfq;
294 u32 pf_rl;
bcd197c8 295 struct qed_wfq_data *wfq_data;
dbb799c3 296 u8 num_pf_rls;
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297};
298
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299struct storm_stats {
300 u32 address;
301 u32 len;
302};
303
304struct qed_storm_stats {
305 struct storm_stats mstats;
306 struct storm_stats pstats;
307 struct storm_stats tstats;
308 struct storm_stats ustats;
309};
310
fe56b9e6 311struct qed_fw_data {
9df2ed04 312 struct fw_ver_info *fw_ver_info;
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313 const u8 *modes_tree_buf;
314 union init_op *init_ops;
315 const u32 *arr_data;
316 u32 init_ops_size;
317};
318
319struct qed_simd_fp_handler {
320 void *token;
321 void (*func)(void *);
322};
323
324struct qed_hwfn {
325 struct qed_dev *cdev;
326 u8 my_id; /* ID inside the PF */
327#define IS_LEAD_HWFN(edev) (!((edev)->my_id))
328 u8 rel_pf_id; /* Relative to engine*/
329 u8 abs_pf_id;
330#define QED_PATH_ID(_p_hwfn) ((_p_hwfn)->abs_pf_id & 1)
331 u8 port_id;
332 bool b_active;
333
334 u32 dp_module;
335 u8 dp_level;
336 char name[NAME_SIZE];
337
338 bool first_on_engine;
339 bool hw_init_done;
340
1408cc1f 341 u8 num_funcs_on_engine;
dbb799c3 342 u8 enabled_func_idx;
1408cc1f 343
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344 /* BAR access */
345 void __iomem *regview;
346 void __iomem *doorbells;
347 u64 db_phys_addr;
348 unsigned long db_size;
349
350 /* PTT pool */
351 struct qed_ptt_pool *p_ptt_pool;
352
353 /* HW info */
354 struct qed_hw_info hw_info;
355
356 /* rt_array (for init-tool) */
fc48b7a6 357 struct qed_rt_data rt_data;
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358
359 /* SPQ */
360 struct qed_spq *p_spq;
361
362 /* EQ */
363 struct qed_eq *p_eq;
364
365 /* Consolidate Q*/
366 struct qed_consq *p_consq;
367
368 /* Slow-Path definitions */
369 struct tasklet_struct *sp_dpc;
370 bool b_sp_dpc_enabled;
371
372 struct qed_ptt *p_main_ptt;
373 struct qed_ptt *p_dpc_ptt;
374
375 struct qed_sb_sp_info *p_sp_sb;
376 struct qed_sb_attn_info *p_sb_attn;
377
378 /* Protocol related */
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379 bool using_ll2;
380 struct qed_ll2_info *p_ll2_info;
51ff1725 381 struct qed_rdma_info *p_rdma_info;
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382 struct qed_pf_params pf_params;
383
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384 bool b_rdma_enabled_in_prs;
385 u32 rdma_prs_search_reg;
386
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387 /* Array of sb_info of all status blocks */
388 struct qed_sb_info *sbs_info[MAX_SB_PER_PF_MIMD];
389 u16 num_sbs;
390
391 struct qed_cxt_mngr *p_cxt_mngr;
392
393 /* Flag indicating whether interrupts are enabled or not*/
394 bool b_int_enabled;
8f16bc97 395 bool b_int_requested;
fe56b9e6 396
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397 /* True if the driver requests for the link */
398 bool b_drv_link_init;
399
1408cc1f 400 struct qed_vf_iov *vf_iov_info;
32a47e72 401 struct qed_pf_iov *pf_iov_info;
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402 struct qed_mcp_info *mcp_info;
403
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404 struct qed_dcbx_info *p_dcbx_info;
405
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406 struct qed_hw_cid_data *p_tx_cids;
407 struct qed_hw_cid_data *p_rx_cids;
408
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409 struct qed_dmae_info dmae_info;
410
411 /* QM init */
412 struct qed_qm_info qm_info;
9df2ed04 413 struct qed_storm_stats storm_stats;
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414
415 /* Buffer for unzipping firmware data */
416 void *unzip_buf;
417
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418 struct dbg_tools_data dbg_info;
419
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420 /* PWM region specific data */
421 u32 dpi_size;
422 u32 dpi_count;
423
424 /* This is used to calculate the doorbell address */
425 u32 dpi_start_offset;
426
427 /* If one of the following is set then EDPM shouldn't be used */
428 u8 dcbx_no_edpm;
429 u8 db_bar_no_edpm;
430
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431 struct qed_simd_fp_handler simd_proto_handler[64];
432
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433#ifdef CONFIG_QED_SRIOV
434 struct workqueue_struct *iov_wq;
435 struct delayed_work iov_task;
436 unsigned long iov_task_flags;
437#endif
438
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439 struct z_stream_s *stream;
440};
441
442struct pci_params {
443 int pm_cap;
444
445 unsigned long mem_start;
446 unsigned long mem_end;
447 unsigned int irq;
448 u8 pf_num;
449};
450
451struct qed_int_param {
452 u32 int_mode;
453 u8 num_vectors;
454 u8 min_msix_cnt; /* for minimal functionality */
455};
456
457struct qed_int_params {
458 struct qed_int_param in;
459 struct qed_int_param out;
460 struct msix_entry *msix_table;
461 bool fp_initialized;
462 u8 fp_msix_base;
463 u8 fp_msix_cnt;
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464 u8 rdma_msix_base;
465 u8 rdma_msix_cnt;
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466};
467
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468struct qed_dbg_feature {
469 struct dentry *dentry;
470 u8 *dump_buf;
471 u32 buf_size;
472 u32 dumped_dwords;
473};
474
475struct qed_dbg_params {
476 struct qed_dbg_feature features[DBG_FEATURE_NUM];
477 u8 engine_for_debug;
478 bool print_data;
479};
480
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481struct qed_dev {
482 u32 dp_module;
483 u8 dp_level;
484 char name[NAME_SIZE];
485
486 u8 type;
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487#define QED_DEV_TYPE_BB (0 << 0)
488#define QED_DEV_TYPE_AH BIT(0)
489/* Translate type/revision combo into the proper conditions */
490#define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
491#define QED_IS_BB_A0(dev) (QED_IS_BB(dev) && \
492 CHIP_REV_IS_A0(dev))
493#define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \
494 CHIP_REV_IS_B0(dev))
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495#define QED_IS_AH(dev) ((dev)->type == QED_DEV_TYPE_AH)
496#define QED_IS_K2(dev) QED_IS_AH(dev)
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497
498#define QED_GET_TYPE(dev) (QED_IS_BB_A0(dev) ? CHIP_BB_A0 : \
499 QED_IS_BB_B0(dev) ? CHIP_BB_B0 : CHIP_K2)
500
501 u16 vendor_id;
502 u16 device_id;
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503
504 u16 chip_num;
505#define CHIP_NUM_MASK 0xffff
506#define CHIP_NUM_SHIFT 16
507
508 u16 chip_rev;
509#define CHIP_REV_MASK 0xf
510#define CHIP_REV_SHIFT 12
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511#define CHIP_REV_IS_A0(_cdev) (!(_cdev)->chip_rev)
512#define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
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513
514 u16 chip_metal;
515#define CHIP_METAL_MASK 0xff
516#define CHIP_METAL_SHIFT 4
517
518 u16 chip_bond_id;
519#define CHIP_BOND_ID_MASK 0xf
520#define CHIP_BOND_ID_SHIFT 0
521
522 u8 num_engines;
523 u8 num_ports_in_engines;
524 u8 num_funcs_in_port;
525
526 u8 path_id;
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527 enum qed_mf_mode mf_mode;
528#define IS_MF_DEFAULT(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_DEFAULT)
529#define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_NPAR)
530#define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_OVLAN)
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531
532 int pcie_width;
533 int pcie_speed;
534 u8 ver_str[VER_SIZE];
535
536 /* Add MF related configuration */
537 u8 mcp_rev;
538 u8 boot_mode;
539
540 u8 wol;
541
542 u32 int_mode;
543 enum qed_coalescing_mode int_coalescing_mode;
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544 u16 rx_coalesce_usecs;
545 u16 tx_coalesce_usecs;
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546
547 /* Start Bar offset of first hwfn */
548 void __iomem *regview;
549 void __iomem *doorbells;
550 u64 db_phys_addr;
551 unsigned long db_size;
552
553 /* PCI */
554 u8 cache_shift;
555
556 /* Init */
557 const struct iro *iro_arr;
558#define IRO (p_hwfn->cdev->iro_arr)
559
560 /* HW functions */
561 u8 num_hwfns;
562 struct qed_hwfn hwfns[MAX_HWFNS_PER_DEVICE];
563
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564 /* SRIOV */
565 struct qed_hw_sriov_info *p_iov_info;
566#define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
567
464f6645 568 unsigned long tunn_mode;
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569
570 bool b_is_vf;
fe56b9e6 571 u32 drv_type;
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572 struct qed_eth_stats *reset_stats;
573 struct qed_fw_data *fw_data;
574
575 u32 mcp_nvm_resp;
576
577 /* Linux specific here */
578 struct qede_dev *edev;
579 struct pci_dev *pdev;
580 int msg_enable;
581
582 struct pci_params pci_params;
583
584 struct qed_int_params int_params;
585
586 u8 protocol;
587#define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
588
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589 /* Callbacks to protocol driver */
590 union {
591 struct qed_common_cb_ops *common;
592 struct qed_eth_cb_ops *eth;
593 } protocol_ops;
594 void *ops_cookie;
595
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596 struct qed_dbg_params dbg_params;
597
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598#ifdef CONFIG_QED_LL2
599 struct qed_cb_ll2_info *ll2;
600 u8 ll2_mac_address[ETH_ALEN];
601#endif
602
fe56b9e6 603 const struct firmware *firmware;
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604
605 u32 rdma_max_sge;
606 u32 rdma_max_inline;
607 u32 rdma_max_srq_sge;
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608};
609
32a47e72 610#define NUM_OF_VFS(dev) MAX_NUM_VFS_BB
dacd88d6 611#define NUM_OF_L2_QUEUES(dev) MAX_NUM_L2_QUEUES_BB
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612#define NUM_OF_SBS(dev) MAX_SB_PER_PATH_BB
613#define NUM_OF_ENG_PFS(dev) MAX_NUM_PFS_BB
614
615/**
616 * @brief qed_concrete_to_sw_fid - get the sw function id from
617 * the concrete value.
618 *
619 * @param concrete_fid
620 *
621 * @return inline u8
622 */
623static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
624 u32 concrete_fid)
625{
4870e704 626 u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
fe56b9e6 627 u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
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628 u8 vf_valid = GET_FIELD(concrete_fid,
629 PXP_CONCRETE_FID_VFVALID);
630 u8 sw_fid;
fe56b9e6 631
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632 if (vf_valid)
633 sw_fid = vfid + MAX_NUM_PFS;
634 else
635 sw_fid = pfid;
636
637 return sw_fid;
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638}
639
640#define PURE_LB_TC 8
dbb799c3 641#define OOO_LB_TC 9
fe56b9e6 642
733def6a 643int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
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644void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, u32 min_pf_rate);
645
733def6a 646void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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647#define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
648
649/* Other Linux specific common definitions */
650#define DP_NAME(cdev) ((cdev)->name)
651
652#define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
653 (cdev->regview) + \
654 (offset))
655
656#define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
657#define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
658#define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
659
660#define DOORBELL(cdev, db_addr, val) \
661 writel((u32)val, (void __iomem *)((u8 __iomem *)\
662 (cdev->doorbells) + (db_addr)))
663
664/* Prototypes */
665int qed_fill_dev_info(struct qed_dev *cdev,
666 struct qed_dev_info *dev_info);
cc875c2e 667void qed_link_update(struct qed_hwfn *hwfn);
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668u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
669 u32 input_len, u8 *input_buf,
670 u32 max_size, u8 *unzip_buf);
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671void qed_get_protocol_stats(struct qed_dev *cdev,
672 enum qed_mcp_protocol_type type,
673 union qed_mcp_protocol_stats *stats);
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674int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
675
fe56b9e6 676#endif /* _QED_H */