pktgen: do not sleep with the thread lock held.
[sfrench/cifs-2.6.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_main.h
1 /*
2  * Copyright (c) 2014-2015 Hisilicon Limited.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  */
9
10 #ifndef __HNS_DSAF_MAIN_H
11 #define __HNS_DSAF_MAIN_H
12 #include "hnae.h"
13
14 #include "hns_dsaf_reg.h"
15 #include "hns_dsaf_mac.h"
16
17 struct hns_mac_cb;
18
19 #define DSAF_DRV_NAME "hns_dsaf"
20 #define DSAF_MOD_VERSION "v1.0"
21 #define DSAF_DEVICE_NAME "dsaf"
22
23 #define HNS_DSAF_DEBUG_NW_REG_OFFSET 0x100000
24
25 #define DSAF_BASE_INNER_PORT_NUM 127/* mac tbl qid*/
26
27 #define DSAF_MAX_CHIP_NUM 2  /*max 2 chips */
28
29 #define DSAF_DEFAUTL_QUEUE_NUM_PER_PPE 22
30
31 #define HNS_DSAF_MAX_DESC_CNT 1024
32 #define HNS_DSAF_MIN_DESC_CNT 16
33
34 #define DSAF_INVALID_ENTRY_IDX 0xffff
35
36 #define DSAF_CFG_READ_CNT   30
37
38 #define DSAF_DUMP_REGS_NUM 504
39 #define DSAF_STATIC_NUM 28
40 #define DSAF_V2_STATIC_NUM      44
41 #define DSAF_PRIO_NR    8
42 #define DSAF_REG_PER_ZONE       3
43
44 #define DSAF_ROCE_CREDIT_CHN    8
45 #define DSAF_ROCE_CHAN_MODE     3
46
47 #define HNS_MAX_WAIT_CNT 10000
48
49 enum dsaf_roce_port_mode {
50         DSAF_ROCE_6PORT_MODE,
51         DSAF_ROCE_4PORT_MODE,
52         DSAF_ROCE_2PORT_MODE,
53         DSAF_ROCE_CHAN_MODE_NUM,
54 };
55
56 enum dsaf_roce_port_num {
57         DSAF_ROCE_PORT_0,
58         DSAF_ROCE_PORT_1,
59         DSAF_ROCE_PORT_2,
60         DSAF_ROCE_PORT_3,
61         DSAF_ROCE_PORT_4,
62         DSAF_ROCE_PORT_5,
63 };
64
65 enum dsaf_roce_qos_sl {
66         DSAF_ROCE_SL_0,
67         DSAF_ROCE_SL_1,
68         DSAF_ROCE_SL_2,
69         DSAF_ROCE_SL_3,
70 };
71
72 #define DSAF_STATS_READ(p, offset) (*((u64 *)((u8 *)(p) + (offset))))
73 #define HNS_DSAF_IS_DEBUG(dev) ((dev)->dsaf_mode == DSAF_MODE_DISABLE_SP)
74
75 enum hal_dsaf_mode {
76         HRD_DSAF_NO_DSAF_MODE   = 0x0,
77         HRD_DSAF_MODE           = 0x1,
78 };
79
80 enum hal_dsaf_tc_mode {
81         HRD_DSAF_4TC_MODE               = 0X0,
82         HRD_DSAF_8TC_MODE               = 0X1,
83 };
84
85 struct dsaf_vm_def_vlan {
86         u32 vm_def_vlan_id;
87         u32 vm_def_vlan_cfi;
88         u32 vm_def_vlan_pri;
89 };
90
91 struct dsaf_tbl_tcam_data {
92         u32 tbl_tcam_data_high;
93         u32 tbl_tcam_data_low;
94 };
95
96 #define DSAF_PORT_MSK_NUM \
97         ((DSAF_TOTAL_QUEUE_NUM + DSAF_SERVICE_NW_NUM - 1) / 32 + 1)
98 struct dsaf_tbl_tcam_mcast_cfg {
99         u8 tbl_mcast_old_en;
100         u8 tbl_mcast_item_vld;
101         u32 tbl_mcast_port_msk[DSAF_PORT_MSK_NUM];
102 };
103
104 struct dsaf_tbl_tcam_ucast_cfg {
105         u32 tbl_ucast_old_en;
106         u32 tbl_ucast_item_vld;
107         u32 tbl_ucast_mac_discard;
108         u32 tbl_ucast_dvc;
109         u32 tbl_ucast_out_port;
110 };
111
112 struct dsaf_tbl_line_cfg {
113         u32 tbl_line_mac_discard;
114         u32 tbl_line_dvc;
115         u32 tbl_line_out_port;
116 };
117
118 enum dsaf_port_rate_mode {
119         DSAF_PORT_RATE_1000 = 0,
120         DSAF_PORT_RATE_2500,
121         DSAF_PORT_RATE_10000
122 };
123
124 enum dsaf_stp_port_type {
125         DSAF_STP_PORT_TYPE_DISCARD = 0,
126         DSAF_STP_PORT_TYPE_BLOCK = 1,
127         DSAF_STP_PORT_TYPE_LISTEN = 2,
128         DSAF_STP_PORT_TYPE_LEARN = 3,
129         DSAF_STP_PORT_TYPE_FORWARD = 4
130 };
131
132 enum dsaf_sw_port_type {
133         DSAF_SW_PORT_TYPE_NON_VLAN = 0,
134         DSAF_SW_PORT_TYPE_ACCESS = 1,
135         DSAF_SW_PORT_TYPE_TRUNK = 2,
136 };
137
138 #define DSAF_SUB_BASE_SIZE                        (0x10000)
139
140 /* dsaf mode define */
141 enum dsaf_mode {
142         DSAF_MODE_INVALID = 0,  /**< Invalid dsaf mode */
143         DSAF_MODE_ENABLE_FIX,   /**< en DSAF-mode, fixed to queue*/
144         DSAF_MODE_ENABLE_0VM,   /**< en DSAF-mode, support 0 VM */
145         DSAF_MODE_ENABLE_8VM,   /**< en DSAF-mode, support 8 VM */
146         DSAF_MODE_ENABLE_16VM,  /**< en DSAF-mode, support 16 VM */
147         DSAF_MODE_ENABLE_32VM,  /**< en DSAF-mode, support 32 VM */
148         DSAF_MODE_ENABLE_128VM, /**< en DSAF-mode, support 128 VM */
149         DSAF_MODE_ENABLE,               /**< before is enable DSAF mode*/
150         DSAF_MODE_DISABLE_SP,   /* <non-dsaf, single port mode */
151         DSAF_MODE_DISABLE_FIX,  /**< non-dasf, fixed to queue*/
152         DSAF_MODE_DISABLE_2PORT_8VM,    /**< non-dasf, 2port 8VM */
153         DSAF_MODE_DISABLE_2PORT_16VM,   /**< non-dasf, 2port 16VM */
154         DSAF_MODE_DISABLE_2PORT_64VM,   /**< non-dasf, 2port 64VM */
155         DSAF_MODE_DISABLE_6PORT_0VM,    /**< non-dasf, 6port 0VM */
156         DSAF_MODE_DISABLE_6PORT_2VM,    /**< non-dasf, 6port 2VM */
157         DSAF_MODE_DISABLE_6PORT_4VM,    /**< non-dasf, 6port 4VM */
158         DSAF_MODE_DISABLE_6PORT_16VM,   /**< non-dasf, 6port 16VM */
159         DSAF_MODE_MAX           /**< the last one, use as the num */
160 };
161
162 #define DSAF_DEST_PORT_NUM 256  /* DSAF max port num */
163 #define DSAF_WORD_BIT_CNT 32  /* the num bit of word */
164
165 /*mac entry, mc or uc entry*/
166 struct dsaf_drv_mac_single_dest_entry {
167         /* mac addr, match the entry*/
168         u8 addr[ETH_ALEN];
169         u16 in_vlan_id; /* value of VlanId */
170
171         /* the vld input port num, dsaf-mode fix 0, */
172         /*      non-dasf is the entry whitch port vld*/
173         u8 in_port_num;
174
175         u8 port_num; /*output port num*/
176         u8 rsv[6];
177 };
178
179 /*only mc entry*/
180 struct dsaf_drv_mac_multi_dest_entry {
181         /* mac addr, match the entry*/
182         u8 addr[ETH_ALEN];
183         u16 in_vlan_id;
184         /* this mac addr output port,*/
185         /*      bit0-bit5 means Port0-Port5(1bit is vld)**/
186         u32 port_mask[DSAF_DEST_PORT_NUM / DSAF_WORD_BIT_CNT];
187
188         /* the vld input port num, dsaf-mode fix 0,*/
189         /*      non-dasf is the entry whitch port vld*/
190         u8 in_port_num;
191         u8 rsv[7];
192 };
193
194 struct dsaf_hw_stats {
195         u64 pad_drop;
196         u64 man_pkts;
197         u64 rx_pkts;
198         u64 rx_pkt_id;
199         u64 rx_pause_frame;
200         u64 release_buf_num;
201         u64 sbm_drop;
202         u64 crc_false;
203         u64 bp_drop;
204         u64 rslt_drop;
205         u64 local_addr_false;
206         u64 vlan_drop;
207         u64 stp_drop;
208         u64 rx_pfc[DSAF_PRIO_NR];
209         u64 tx_pfc[DSAF_PRIO_NR];
210         u64 tx_pkts;
211 };
212
213 struct hnae_vf_cb {
214         u8 port_index;
215         struct hns_mac_cb *mac_cb;
216         struct dsaf_device *dsaf_dev;
217         struct hnae_handle  ae_handle; /* must be the last number */
218 };
219
220 struct dsaf_int_xge_src {
221         u32    xid_xge_ecc_err_int_src;
222         u32    xid_xge_fsm_timout_int_src;
223         u32    sbm_xge_lnk_fsm_timout_int_src;
224         u32    sbm_xge_lnk_ecc_2bit_int_src;
225         u32    sbm_xge_mib_req_failed_int_src;
226         u32    sbm_xge_mib_req_fsm_timout_int_src;
227         u32    sbm_xge_mib_rels_fsm_timout_int_src;
228         u32    sbm_xge_sram_ecc_2bit_int_src;
229         u32    sbm_xge_mib_buf_sum_err_int_src;
230         u32    sbm_xge_mib_req_extra_int_src;
231         u32    sbm_xge_mib_rels_extra_int_src;
232         u32    voq_xge_start_to_over_0_int_src;
233         u32    voq_xge_start_to_over_1_int_src;
234         u32    voq_xge_ecc_err_int_src;
235 };
236
237 struct dsaf_int_ppe_src {
238         u32    xid_ppe_fsm_timout_int_src;
239         u32    sbm_ppe_lnk_fsm_timout_int_src;
240         u32    sbm_ppe_lnk_ecc_2bit_int_src;
241         u32    sbm_ppe_mib_req_failed_int_src;
242         u32    sbm_ppe_mib_req_fsm_timout_int_src;
243         u32    sbm_ppe_mib_rels_fsm_timout_int_src;
244         u32    sbm_ppe_sram_ecc_2bit_int_src;
245         u32    sbm_ppe_mib_buf_sum_err_int_src;
246         u32    sbm_ppe_mib_req_extra_int_src;
247         u32    sbm_ppe_mib_rels_extra_int_src;
248         u32    voq_ppe_start_to_over_0_int_src;
249         u32    voq_ppe_ecc_err_int_src;
250         u32    xod_ppe_fifo_rd_empty_int_src;
251         u32    xod_ppe_fifo_wr_full_int_src;
252 };
253
254 struct dsaf_int_rocee_src {
255         u32    xid_rocee_fsm_timout_int_src;
256         u32    sbm_rocee_lnk_fsm_timout_int_src;
257         u32    sbm_rocee_lnk_ecc_2bit_int_src;
258         u32    sbm_rocee_mib_req_failed_int_src;
259         u32    sbm_rocee_mib_req_fsm_timout_int_src;
260         u32    sbm_rocee_mib_rels_fsm_timout_int_src;
261         u32    sbm_rocee_sram_ecc_2bit_int_src;
262         u32    sbm_rocee_mib_buf_sum_err_int_src;
263         u32    sbm_rocee_mib_req_extra_int_src;
264         u32    sbm_rocee_mib_rels_extra_int_src;
265         u32    voq_rocee_start_to_over_0_int_src;
266         u32    voq_rocee_ecc_err_int_src;
267 };
268
269 struct dsaf_int_tbl_src {
270         u32    tbl_da0_mis_src;
271         u32    tbl_da1_mis_src;
272         u32    tbl_da2_mis_src;
273         u32    tbl_da3_mis_src;
274         u32    tbl_da4_mis_src;
275         u32    tbl_da5_mis_src;
276         u32    tbl_da6_mis_src;
277         u32    tbl_da7_mis_src;
278         u32    tbl_sa_mis_src;
279         u32    tbl_old_sech_end_src;
280         u32    lram_ecc_err1_src;
281         u32    lram_ecc_err2_src;
282         u32    tram_ecc_err1_src;
283         u32    tram_ecc_err2_src;
284         u32    tbl_ucast_bcast_xge0_src;
285         u32    tbl_ucast_bcast_xge1_src;
286         u32    tbl_ucast_bcast_xge2_src;
287         u32    tbl_ucast_bcast_xge3_src;
288         u32    tbl_ucast_bcast_xge4_src;
289         u32    tbl_ucast_bcast_xge5_src;
290         u32    tbl_ucast_bcast_ppe_src;
291         u32    tbl_ucast_bcast_rocee_src;
292 };
293
294 struct dsaf_int_stat {
295         struct dsaf_int_xge_src dsaf_int_xge_stat[DSAF_COMM_CHN];
296         struct dsaf_int_ppe_src dsaf_int_ppe_stat[DSAF_COMM_CHN];
297         struct dsaf_int_rocee_src dsaf_int_rocee_stat[DSAF_COMM_CHN];
298         struct dsaf_int_tbl_src dsaf_int_tbl_stat[1];
299
300 };
301
302 struct dsaf_misc_op {
303         void (*cpld_set_led)(struct hns_mac_cb *mac_cb, int link_status,
304                              u16 speed, int data);
305         void (*cpld_reset_led)(struct hns_mac_cb *mac_cb);
306         int (*cpld_set_led_id)(struct hns_mac_cb *mac_cb,
307                                enum hnae_led_state status);
308         /* reset series function, it will be reset if the dereset is 0 */
309         void (*dsaf_reset)(struct dsaf_device *dsaf_dev, bool dereset);
310         void (*xge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
311         void (*ge_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
312         void (*ppe_srst)(struct dsaf_device *dsaf_dev, u32 port, bool dereset);
313         void (*ppe_comm_srst)(struct dsaf_device *dsaf_dev, bool dereset);
314         void (*hns_dsaf_srst_chns)(struct dsaf_device *dsaf_dev, u32 msk,
315                                    bool dereset);
316         void (*hns_dsaf_roce_srst)(struct dsaf_device *dsaf_dev, bool dereset);
317
318         phy_interface_t (*get_phy_if)(struct hns_mac_cb *mac_cb);
319         int (*get_sfp_prsnt)(struct hns_mac_cb *mac_cb, int *sfp_prsnt);
320
321         int (*cfg_serdes_loopback)(struct hns_mac_cb *mac_cb, bool en);
322 };
323
324 /* Dsaf device struct define ,and mac ->  dsaf */
325 struct dsaf_device {
326         struct device *dev;
327         struct hnae_ae_dev ae_dev;
328
329         u8 __iomem *sc_base;
330         u8 __iomem *sds_base;
331         u8 __iomem *ppe_base;
332         u8 __iomem *io_base;
333         struct regmap *sub_ctrl;
334         phys_addr_t ppe_paddr;
335
336         u32 desc_num; /*  desc num per queue*/
337         u32 buf_size; /*  ring buffer size */
338         u32 reset_offset; /* reset field offset in sub sysctrl */
339         int buf_size_type; /* ring buffer size-type */
340         enum dsaf_mode dsaf_mode;        /* dsaf mode  */
341         enum hal_dsaf_mode dsaf_en;
342         enum hal_dsaf_tc_mode dsaf_tc_mode;
343         u32 dsaf_ver;
344         u16 tcam_max_num;       /* max TCAM entry for user except promisc */
345
346         struct ppe_common_cb *ppe_common[DSAF_COMM_DEV_NUM];
347         struct rcb_common_cb *rcb_common[DSAF_COMM_DEV_NUM];
348         struct hns_mac_cb *mac_cb[DSAF_MAX_PORT_NUM];
349         struct dsaf_misc_op *misc_op;
350
351         struct dsaf_hw_stats hw_stats[DSAF_NODE_NUM];
352         struct dsaf_int_stat int_stat;
353         /* make sure tcam table config spinlock */
354         spinlock_t tcam_lock;
355 };
356
357 static inline void *hns_dsaf_dev_priv(const struct dsaf_device *dsaf_dev)
358 {
359         return (void *)((u8 *)dsaf_dev + sizeof(*dsaf_dev));
360 }
361
362 #define DSAF_TBL_TCAM_KEY_PORT_S 0
363 #define DSAF_TBL_TCAM_KEY_PORT_M (((1ULL << 4) - 1) << 0)
364 #define DSAF_TBL_TCAM_KEY_VLAN_S 4
365 #define DSAF_TBL_TCAM_KEY_VLAN_M (((1ULL << 12) - 1) << 4)
366
367 struct dsaf_drv_tbl_tcam_key {
368         union {
369                 struct {
370                         u8 mac_3;
371                         u8 mac_2;
372                         u8 mac_1;
373                         u8 mac_0;
374                 } bits;
375
376                 u32 val;
377         } high;
378         union {
379                 struct {
380                         u16 port_vlan;
381                         u8 mac_5;
382                         u8 mac_4;
383                 } bits;
384
385                 u32 val;
386         } low;
387 };
388
389 struct dsaf_drv_soft_mac_tbl {
390         struct dsaf_drv_tbl_tcam_key tcam_key;
391         u16 index; /*the entry's index in tcam tab*/
392 };
393
394 struct dsaf_drv_priv {
395         /* soft tab Mac key, for hardware tab*/
396         struct dsaf_drv_soft_mac_tbl *soft_mac_tbl;
397 };
398
399 static inline void hns_dsaf_tbl_tcam_addr_cfg(struct dsaf_device *dsaf_dev,
400                                               u32 tab_tcam_addr)
401 {
402         dsaf_set_dev_field(dsaf_dev, DSAF_TBL_TCAM_ADDR_0_REG,
403                            DSAF_TBL_TCAM_ADDR_M, DSAF_TBL_TCAM_ADDR_S,
404                            tab_tcam_addr);
405 }
406
407 static inline void hns_dsaf_tbl_tcam_load_pul(struct dsaf_device *dsaf_dev)
408 {
409         u32 o_tbl_pul;
410
411         o_tbl_pul = dsaf_read_dev(dsaf_dev, DSAF_TBL_PUL_0_REG);
412         dsaf_set_bit(o_tbl_pul, DSAF_TBL_PUL_TCAM_LOAD_S, 1);
413         dsaf_write_dev(dsaf_dev, DSAF_TBL_PUL_0_REG, o_tbl_pul);
414         dsaf_set_bit(o_tbl_pul, DSAF_TBL_PUL_TCAM_LOAD_S, 0);
415         dsaf_write_dev(dsaf_dev, DSAF_TBL_PUL_0_REG, o_tbl_pul);
416 }
417
418 static inline void hns_dsaf_tbl_line_addr_cfg(struct dsaf_device *dsaf_dev,
419                                               u32 tab_line_addr)
420 {
421         dsaf_set_dev_field(dsaf_dev, DSAF_TBL_LINE_ADDR_0_REG,
422                            DSAF_TBL_LINE_ADDR_M, DSAF_TBL_LINE_ADDR_S,
423                            tab_line_addr);
424 }
425
426 static inline struct hnae_vf_cb *hns_ae_get_vf_cb(
427         struct hnae_handle *handle)
428 {
429         return container_of(handle, struct hnae_vf_cb, ae_handle);
430 }
431
432 int hns_dsaf_set_mac_uc_entry(struct dsaf_device *dsaf_dev,
433                               struct dsaf_drv_mac_single_dest_entry *mac_entry);
434 int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev,
435                              struct dsaf_drv_mac_single_dest_entry *mac_entry);
436 int hns_dsaf_del_mac_entry(struct dsaf_device *dsaf_dev, u16 vlan_id,
437                            u8 in_port_num, u8 *addr);
438 int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev,
439                              struct dsaf_drv_mac_single_dest_entry *mac_entry);
440 void hns_dsaf_fix_mac_mode(struct hns_mac_cb *mac_cb);
441
442 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev);
443 void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev);
444
445 void hns_dsaf_update_stats(struct dsaf_device *dsaf_dev, u32 inode_num);
446
447 int hns_dsaf_get_sset_count(struct dsaf_device *dsaf_dev, int stringset);
448 void hns_dsaf_get_stats(struct dsaf_device *ddev, u64 *data, int port);
449 void hns_dsaf_get_strings(int stringset, u8 *data, int port,
450                           struct dsaf_device *dsaf_dev);
451
452 void hns_dsaf_get_regs(struct dsaf_device *ddev, u32 port, void *data);
453 int hns_dsaf_get_regs_count(void);
454 void hns_dsaf_set_promisc_mode(struct dsaf_device *dsaf_dev, u32 en);
455 void hns_dsaf_set_promisc_tcam(struct dsaf_device *dsaf_dev,
456                                u32 port, bool enable);
457
458 void hns_dsaf_get_rx_mac_pause_en(struct dsaf_device *dsaf_dev, int mac_id,
459                                   u32 *en);
460 int hns_dsaf_set_rx_mac_pause_en(struct dsaf_device *dsaf_dev, int mac_id,
461                                  u32 en);
462 int hns_dsaf_rm_mac_addr(
463         struct dsaf_device *dsaf_dev,
464         struct dsaf_drv_mac_single_dest_entry *mac_entry);
465
466 int hns_dsaf_clr_mac_mc_port(struct dsaf_device *dsaf_dev,
467                              u8 mac_id, u8 port_num);
468 int hns_dsaf_wait_pkt_clean(struct dsaf_device *dsaf_dev, int port);
469
470 int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset);
471
472 #endif /* __HNS_DSAF_MAIN_H__ */