Merge tag 'qcom-soc-for-4.7-2' into net-next
[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>
26#include "qed_hsi.h"
27
25c089d7 28extern const struct qed_common_ops qed_common_ops_pass;
7c2d7d74 29#define DRV_MODULE_VERSION "8.7.1.20"
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30
31#define MAX_HWFNS_PER_DEVICE (4)
32#define NAME_SIZE 16
33#define VER_SIZE 16
34
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35#define QED_WFQ_UNIT 100
36
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37/* cau states */
38enum qed_coalescing_mode {
39 QED_COAL_MODE_DISABLE,
40 QED_COAL_MODE_ENABLE
41};
42
43struct qed_eth_cb_ops;
44struct qed_dev_info;
45
46/* helpers */
47static inline u32 qed_db_addr(u32 cid, u32 DEMS)
48{
49 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
50 FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
51
52 return db_addr;
53}
54
55#define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
56 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
57 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
58
59#define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
60
61#define D_TRINE(val, cond1, cond2, true1, true2, def) \
62 (val == (cond1) ? true1 : \
63 (val == (cond2) ? true2 : def))
64
65/* forward */
66struct qed_ptt_pool;
67struct qed_spq;
68struct qed_sb_info;
69struct qed_sb_attn_info;
70struct qed_cxt_mngr;
71struct qed_sb_sp_info;
72struct qed_mcp_info;
73
74struct qed_rt_data {
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75 u32 *init_val;
76 bool *b_valid;
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77};
78
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79enum qed_tunn_mode {
80 QED_MODE_L2GENEVE_TUNN,
81 QED_MODE_IPGENEVE_TUNN,
82 QED_MODE_L2GRE_TUNN,
83 QED_MODE_IPGRE_TUNN,
84 QED_MODE_VXLAN_TUNN,
85};
86
87enum qed_tunn_clss {
88 QED_TUNN_CLSS_MAC_VLAN,
89 QED_TUNN_CLSS_MAC_VNI,
90 QED_TUNN_CLSS_INNER_MAC_VLAN,
91 QED_TUNN_CLSS_INNER_MAC_VNI,
92 MAX_QED_TUNN_CLSS,
93};
94
95struct qed_tunn_start_params {
96 unsigned long tunn_mode;
97 u16 vxlan_udp_port;
98 u16 geneve_udp_port;
99 u8 update_vxlan_udp_port;
100 u8 update_geneve_udp_port;
101 u8 tunn_clss_vxlan;
102 u8 tunn_clss_l2geneve;
103 u8 tunn_clss_ipgeneve;
104 u8 tunn_clss_l2gre;
105 u8 tunn_clss_ipgre;
106};
107
108struct qed_tunn_update_params {
109 unsigned long tunn_mode_update_mask;
110 unsigned long tunn_mode;
111 u16 vxlan_udp_port;
112 u16 geneve_udp_port;
113 u8 update_rx_pf_clss;
114 u8 update_tx_pf_clss;
115 u8 update_vxlan_udp_port;
116 u8 update_geneve_udp_port;
117 u8 tunn_clss_vxlan;
118 u8 tunn_clss_l2geneve;
119 u8 tunn_clss_ipgeneve;
120 u8 tunn_clss_l2gre;
121 u8 tunn_clss_ipgre;
122};
123
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124/* The PCI personality is not quite synonymous to protocol ID:
125 * 1. All personalities need CORE connections
126 * 2. The Ethernet personality may support also the RoCE protocol
127 */
128enum qed_pci_personality {
129 QED_PCI_ETH,
130 QED_PCI_DEFAULT /* default in shmem */
131};
132
133/* All VFs are symmetric, all counters are PF + all VFs */
134struct qed_qm_iids {
135 u32 cids;
136 u32 vf_cids;
137 u32 tids;
138};
139
140enum QED_RESOURCES {
141 QED_SB,
25c089d7 142 QED_L2_QUEUE,
fe56b9e6 143 QED_VPORT,
25c089d7 144 QED_RSS_ENG,
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145 QED_PQ,
146 QED_RL,
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147 QED_MAC,
148 QED_VLAN,
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149 QED_ILT,
150 QED_MAX_RESC,
151};
152
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153enum QED_FEATURE {
154 QED_PF_L2_QUE,
32a47e72 155 QED_VF,
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156 QED_MAX_FEATURES,
157};
158
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159enum QED_PORT_MODE {
160 QED_PORT_MODE_DE_2X40G,
161 QED_PORT_MODE_DE_2X50G,
162 QED_PORT_MODE_DE_1X100G,
163 QED_PORT_MODE_DE_4X10G_F,
164 QED_PORT_MODE_DE_4X10G_E,
165 QED_PORT_MODE_DE_4X20G,
166 QED_PORT_MODE_DE_1X40G,
167 QED_PORT_MODE_DE_2X25G,
168 QED_PORT_MODE_DE_1X25G
169};
170
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171enum qed_dev_cap {
172 QED_DEV_CAP_ETH,
173};
174
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175struct qed_hw_info {
176 /* PCI personality */
177 enum qed_pci_personality personality;
178
179 /* Resource Allocation scheme results */
180 u32 resc_start[QED_MAX_RESC];
181 u32 resc_num[QED_MAX_RESC];
25c089d7 182 u32 feat_num[QED_MAX_FEATURES];
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183
184#define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
185#define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
186#define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
187
188 u8 num_tc;
189 u8 offload_tc;
190 u8 non_offload_tc;
191
192 u32 concrete_fid;
193 u16 opaque_fid;
194 u16 ovlan;
195 u32 part_num[4];
196
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197 unsigned char hw_mac_addr[ETH_ALEN];
198
199 struct qed_igu_info *p_igu_info;
200
201 u32 port_mode;
202 u32 hw_mode;
fc48b7a6 203 unsigned long device_capabilities;
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204};
205
206struct qed_hw_cid_data {
207 u32 cid;
208 bool b_cid_allocated;
209
210 /* Additional identifiers */
211 u16 opaque_fid;
212 u8 vport_id;
213};
214
215/* maximun size of read/write commands (HW limit) */
216#define DMAE_MAX_RW_SIZE 0x2000
217
218struct qed_dmae_info {
219 /* Mutex for synchronizing access to functions */
220 struct mutex mutex;
221
222 u8 channel;
223
224 dma_addr_t completion_word_phys_addr;
225
226 /* The memory location where the DMAE writes the completion
227 * value when an operation is finished on this context.
228 */
229 u32 *p_completion_word;
230
231 dma_addr_t intermediate_buffer_phys_addr;
232
233 /* An intermediate buffer for DMAE operations that use virtual
234 * addresses - data is DMA'd to/from this buffer and then
235 * memcpy'd to/from the virtual address
236 */
237 u32 *p_intermediate_buffer;
238
239 dma_addr_t dmae_cmd_phys_addr;
240 struct dmae_cmd *p_dmae_cmd;
241};
242
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243struct qed_wfq_data {
244 /* when feature is configured for at least 1 vport */
245 u32 min_speed;
246 bool configured;
247};
248
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249struct qed_qm_info {
250 struct init_qm_pq_params *qm_pq_params;
251 struct init_qm_vport_params *qm_vport_params;
252 struct init_qm_port_params *qm_port_params;
253 u16 start_pq;
254 u8 start_vport;
255 u8 pure_lb_pq;
256 u8 offload_pq;
257 u8 pure_ack_pq;
258 u8 vf_queues_offset;
259 u16 num_pqs;
260 u16 num_vf_pqs;
261 u8 num_vports;
262 u8 max_phys_tcs_per_port;
263 bool pf_rl_en;
264 bool pf_wfq_en;
265 bool vport_rl_en;
266 bool vport_wfq_en;
267 u8 pf_wfq;
268 u32 pf_rl;
bcd197c8 269 struct qed_wfq_data *wfq_data;
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270};
271
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272struct storm_stats {
273 u32 address;
274 u32 len;
275};
276
277struct qed_storm_stats {
278 struct storm_stats mstats;
279 struct storm_stats pstats;
280 struct storm_stats tstats;
281 struct storm_stats ustats;
282};
283
fe56b9e6 284struct qed_fw_data {
9df2ed04 285 struct fw_ver_info *fw_ver_info;
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286 const u8 *modes_tree_buf;
287 union init_op *init_ops;
288 const u32 *arr_data;
289 u32 init_ops_size;
290};
291
292struct qed_simd_fp_handler {
293 void *token;
294 void (*func)(void *);
295};
296
297struct qed_hwfn {
298 struct qed_dev *cdev;
299 u8 my_id; /* ID inside the PF */
300#define IS_LEAD_HWFN(edev) (!((edev)->my_id))
301 u8 rel_pf_id; /* Relative to engine*/
302 u8 abs_pf_id;
303#define QED_PATH_ID(_p_hwfn) ((_p_hwfn)->abs_pf_id & 1)
304 u8 port_id;
305 bool b_active;
306
307 u32 dp_module;
308 u8 dp_level;
309 char name[NAME_SIZE];
310
311 bool first_on_engine;
312 bool hw_init_done;
313
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314 u8 num_funcs_on_engine;
315
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316 /* BAR access */
317 void __iomem *regview;
318 void __iomem *doorbells;
319 u64 db_phys_addr;
320 unsigned long db_size;
321
322 /* PTT pool */
323 struct qed_ptt_pool *p_ptt_pool;
324
325 /* HW info */
326 struct qed_hw_info hw_info;
327
328 /* rt_array (for init-tool) */
fc48b7a6 329 struct qed_rt_data rt_data;
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330
331 /* SPQ */
332 struct qed_spq *p_spq;
333
334 /* EQ */
335 struct qed_eq *p_eq;
336
337 /* Consolidate Q*/
338 struct qed_consq *p_consq;
339
340 /* Slow-Path definitions */
341 struct tasklet_struct *sp_dpc;
342 bool b_sp_dpc_enabled;
343
344 struct qed_ptt *p_main_ptt;
345 struct qed_ptt *p_dpc_ptt;
346
347 struct qed_sb_sp_info *p_sp_sb;
348 struct qed_sb_attn_info *p_sb_attn;
349
350 /* Protocol related */
351 struct qed_pf_params pf_params;
352
353 /* Array of sb_info of all status blocks */
354 struct qed_sb_info *sbs_info[MAX_SB_PER_PF_MIMD];
355 u16 num_sbs;
356
357 struct qed_cxt_mngr *p_cxt_mngr;
358
359 /* Flag indicating whether interrupts are enabled or not*/
360 bool b_int_enabled;
8f16bc97 361 bool b_int_requested;
fe56b9e6 362
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363 /* True if the driver requests for the link */
364 bool b_drv_link_init;
365
1408cc1f 366 struct qed_vf_iov *vf_iov_info;
32a47e72 367 struct qed_pf_iov *pf_iov_info;
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368 struct qed_mcp_info *mcp_info;
369
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370 struct qed_hw_cid_data *p_tx_cids;
371 struct qed_hw_cid_data *p_rx_cids;
372
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373 struct qed_dmae_info dmae_info;
374
375 /* QM init */
376 struct qed_qm_info qm_info;
9df2ed04 377 struct qed_storm_stats storm_stats;
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378
379 /* Buffer for unzipping firmware data */
380 void *unzip_buf;
381
382 struct qed_simd_fp_handler simd_proto_handler[64];
383
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384#ifdef CONFIG_QED_SRIOV
385 struct workqueue_struct *iov_wq;
386 struct delayed_work iov_task;
387 unsigned long iov_task_flags;
388#endif
389
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390 struct z_stream_s *stream;
391};
392
393struct pci_params {
394 int pm_cap;
395
396 unsigned long mem_start;
397 unsigned long mem_end;
398 unsigned int irq;
399 u8 pf_num;
400};
401
402struct qed_int_param {
403 u32 int_mode;
404 u8 num_vectors;
405 u8 min_msix_cnt; /* for minimal functionality */
406};
407
408struct qed_int_params {
409 struct qed_int_param in;
410 struct qed_int_param out;
411 struct msix_entry *msix_table;
412 bool fp_initialized;
413 u8 fp_msix_base;
414 u8 fp_msix_cnt;
415};
416
417struct qed_dev {
418 u32 dp_module;
419 u8 dp_level;
420 char name[NAME_SIZE];
421
422 u8 type;
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423#define QED_DEV_TYPE_BB (0 << 0)
424#define QED_DEV_TYPE_AH BIT(0)
425/* Translate type/revision combo into the proper conditions */
426#define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
427#define QED_IS_BB_A0(dev) (QED_IS_BB(dev) && \
428 CHIP_REV_IS_A0(dev))
429#define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \
430 CHIP_REV_IS_B0(dev))
431
432#define QED_GET_TYPE(dev) (QED_IS_BB_A0(dev) ? CHIP_BB_A0 : \
433 QED_IS_BB_B0(dev) ? CHIP_BB_B0 : CHIP_K2)
434
435 u16 vendor_id;
436 u16 device_id;
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437
438 u16 chip_num;
439#define CHIP_NUM_MASK 0xffff
440#define CHIP_NUM_SHIFT 16
441
442 u16 chip_rev;
443#define CHIP_REV_MASK 0xf
444#define CHIP_REV_SHIFT 12
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445#define CHIP_REV_IS_A0(_cdev) (!(_cdev)->chip_rev)
446#define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
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447
448 u16 chip_metal;
449#define CHIP_METAL_MASK 0xff
450#define CHIP_METAL_SHIFT 4
451
452 u16 chip_bond_id;
453#define CHIP_BOND_ID_MASK 0xf
454#define CHIP_BOND_ID_SHIFT 0
455
456 u8 num_engines;
457 u8 num_ports_in_engines;
458 u8 num_funcs_in_port;
459
460 u8 path_id;
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461 enum qed_mf_mode mf_mode;
462#define IS_MF_DEFAULT(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_DEFAULT)
463#define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_NPAR)
464#define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_OVLAN)
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465
466 int pcie_width;
467 int pcie_speed;
468 u8 ver_str[VER_SIZE];
469
470 /* Add MF related configuration */
471 u8 mcp_rev;
472 u8 boot_mode;
473
474 u8 wol;
475
476 u32 int_mode;
477 enum qed_coalescing_mode int_coalescing_mode;
478 u8 rx_coalesce_usecs;
479 u8 tx_coalesce_usecs;
480
481 /* Start Bar offset of first hwfn */
482 void __iomem *regview;
483 void __iomem *doorbells;
484 u64 db_phys_addr;
485 unsigned long db_size;
486
487 /* PCI */
488 u8 cache_shift;
489
490 /* Init */
491 const struct iro *iro_arr;
492#define IRO (p_hwfn->cdev->iro_arr)
493
494 /* HW functions */
495 u8 num_hwfns;
496 struct qed_hwfn hwfns[MAX_HWFNS_PER_DEVICE];
497
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498 /* SRIOV */
499 struct qed_hw_sriov_info *p_iov_info;
500#define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
501
464f6645 502 unsigned long tunn_mode;
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503
504 bool b_is_vf;
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505 u32 drv_type;
506
507 struct qed_eth_stats *reset_stats;
508 struct qed_fw_data *fw_data;
509
510 u32 mcp_nvm_resp;
511
512 /* Linux specific here */
513 struct qede_dev *edev;
514 struct pci_dev *pdev;
515 int msg_enable;
516
517 struct pci_params pci_params;
518
519 struct qed_int_params int_params;
520
521 u8 protocol;
522#define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
523
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524 /* Callbacks to protocol driver */
525 union {
526 struct qed_common_cb_ops *common;
527 struct qed_eth_cb_ops *eth;
528 } protocol_ops;
529 void *ops_cookie;
530
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531 const struct firmware *firmware;
532};
533
32a47e72 534#define NUM_OF_VFS(dev) MAX_NUM_VFS_BB
dacd88d6 535#define NUM_OF_L2_QUEUES(dev) MAX_NUM_L2_QUEUES_BB
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536#define NUM_OF_SBS(dev) MAX_SB_PER_PATH_BB
537#define NUM_OF_ENG_PFS(dev) MAX_NUM_PFS_BB
538
539/**
540 * @brief qed_concrete_to_sw_fid - get the sw function id from
541 * the concrete value.
542 *
543 * @param concrete_fid
544 *
545 * @return inline u8
546 */
547static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
548 u32 concrete_fid)
549{
550 u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
551
552 return pfid;
553}
554
555#define PURE_LB_TC 8
556
733def6a 557int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
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558void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, u32 min_pf_rate);
559
733def6a 560void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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561#define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
562
563/* Other Linux specific common definitions */
564#define DP_NAME(cdev) ((cdev)->name)
565
566#define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
567 (cdev->regview) + \
568 (offset))
569
570#define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
571#define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
572#define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
573
574#define DOORBELL(cdev, db_addr, val) \
575 writel((u32)val, (void __iomem *)((u8 __iomem *)\
576 (cdev->doorbells) + (db_addr)))
577
578/* Prototypes */
579int qed_fill_dev_info(struct qed_dev *cdev,
580 struct qed_dev_info *dev_info);
cc875c2e 581void qed_link_update(struct qed_hwfn *hwfn);
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582u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
583 u32 input_len, u8 *input_buf,
584 u32 max_size, u8 *unzip_buf);
585
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586int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
587
fe56b9e6 588#endif /* _QED_H */