xref: /dpdk/drivers/net/hns3/hns3_ethdev.h (revision db1162b4)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018-2019 Hisilicon Limited.
3  */
4 
5 #ifndef _HNS3_ETHDEV_H_
6 #define _HNS3_ETHDEV_H_
7 
8 #include <sys/time.h>
9 #include <rte_alarm.h>
10 
11 #include "hns3_cmd.h"
12 #include "hns3_mbx.h"
13 #include "hns3_rss.h"
14 #include "hns3_fdir.h"
15 #include "hns3_stats.h"
16 
17 /* Vendor ID */
18 #define PCI_VENDOR_ID_HUAWEI			0x19e5
19 
20 /* Device IDs */
21 #define HNS3_DEV_ID_GE				0xA220
22 #define HNS3_DEV_ID_25GE			0xA221
23 #define HNS3_DEV_ID_25GE_RDMA			0xA222
24 #define HNS3_DEV_ID_50GE_RDMA			0xA224
25 #define HNS3_DEV_ID_100G_RDMA_MACSEC		0xA226
26 #define HNS3_DEV_ID_100G_VF			0xA22E
27 #define HNS3_DEV_ID_100G_RDMA_PFC_VF		0xA22F
28 
29 /* PCI Config offsets */
30 #define HNS3_PCI_REVISION_ID			0x08
31 #define HNS3_PCI_REVISION_ID_LEN		1
32 
33 #define HNS3_PF_FUNC_ID			0
34 #define HNS3_1ST_VF_FUNC_ID		1
35 
36 #define HNS3_UC_MACADDR_NUM		128
37 #define HNS3_VF_UC_MACADDR_NUM		48
38 #define HNS3_MC_MACADDR_NUM		128
39 
40 #define HNS3_MAX_BD_SIZE		65535
41 #define HNS3_MAX_NON_TSO_BD_PER_PKT	8
42 #define HNS3_MAX_TSO_BD_PER_PKT		63
43 #define HNS3_MAX_FRAME_LEN		9728
44 #define HNS3_VLAN_TAG_SIZE		4
45 #define HNS3_DEFAULT_RX_BUF_LEN		2048
46 #define HNS3_MAX_BD_PAYLEN		(1024 * 1024 - 1)
47 #define HNS3_MAX_TSO_HDR_SIZE		512
48 #define HNS3_MAX_TSO_HDR_BD_NUM		3
49 #define HNS3_MAX_LRO_SIZE		64512
50 
51 #define HNS3_ETH_OVERHEAD \
52 	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HNS3_VLAN_TAG_SIZE * 2)
53 #define HNS3_PKTLEN_TO_MTU(pktlen)	((pktlen) - HNS3_ETH_OVERHEAD)
54 #define HNS3_MAX_MTU	(HNS3_MAX_FRAME_LEN - HNS3_ETH_OVERHEAD)
55 #define HNS3_DEFAULT_MTU		1500UL
56 #define HNS3_DEFAULT_FRAME_LEN		(HNS3_DEFAULT_MTU + HNS3_ETH_OVERHEAD)
57 #define HNS3_MIN_PKT_SIZE		60
58 
59 #define HNS3_4_TCS			4
60 #define HNS3_8_TCS			8
61 
62 #define HNS3_MAX_PF_NUM			8
63 #define HNS3_UMV_TBL_SIZE		3072
64 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
65 	(HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
66 
67 #define HNS3_PF_CFG_BLOCK_SIZE		32
68 #define HNS3_PF_CFG_DESC_NUM \
69 	(HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
70 
71 #define HNS3_DEFAULT_ENABLE_PFC_NUM	0
72 
73 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT	5
74 #define HNS3_INTR_UNREG_FAIL_DELAY_MS	500
75 
76 #define HNS3_QUIT_RESET_CNT		10
77 #define HNS3_QUIT_RESET_DELAY_MS	100
78 
79 #define HNS3_POLL_RESPONE_MS		1
80 
81 #define HNS3_MAX_USER_PRIO		8
82 #define HNS3_PG_NUM			4
83 enum hns3_fc_mode {
84 	HNS3_FC_NONE,
85 	HNS3_FC_RX_PAUSE,
86 	HNS3_FC_TX_PAUSE,
87 	HNS3_FC_FULL,
88 	HNS3_FC_DEFAULT
89 };
90 
91 #define HNS3_SCH_MODE_SP	0
92 #define HNS3_SCH_MODE_DWRR	1
93 struct hns3_pg_info {
94 	uint8_t pg_id;
95 	uint8_t pg_sch_mode;  /* 0: sp; 1: dwrr */
96 	uint8_t tc_bit_map;
97 	uint32_t bw_limit;
98 	uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
99 };
100 
101 struct hns3_tc_info {
102 	uint8_t tc_id;
103 	uint8_t tc_sch_mode;  /* 0: sp; 1: dwrr */
104 	uint8_t pgid;
105 	uint32_t bw_limit;
106 	uint8_t up_to_tc_map; /* user priority maping on the TC */
107 };
108 
109 struct hns3_dcb_info {
110 	uint8_t num_tc;
111 	uint8_t num_pg;     /* It must be 1 if vNET-Base schd */
112 	uint8_t pg_dwrr[HNS3_PG_NUM];
113 	uint8_t prio_tc[HNS3_MAX_USER_PRIO];
114 	struct hns3_pg_info pg_info[HNS3_PG_NUM];
115 	struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
116 	uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
117 	uint8_t pfc_en; /* Pfc enabled or not for user priority */
118 };
119 
120 enum hns3_fc_status {
121 	HNS3_FC_STATUS_NONE,
122 	HNS3_FC_STATUS_MAC_PAUSE,
123 	HNS3_FC_STATUS_PFC,
124 };
125 
126 struct hns3_tc_queue_info {
127 	uint8_t	tqp_offset;     /* TQP offset from base TQP */
128 	uint8_t	tqp_count;      /* Total TQPs */
129 	uint8_t	tc;             /* TC index */
130 	bool enable;            /* If this TC is enable or not */
131 };
132 
133 struct hns3_cfg {
134 	uint8_t vmdq_vport_num;
135 	uint8_t tc_num;
136 	uint16_t tqp_desc_num;
137 	uint16_t rx_buf_len;
138 	uint16_t rss_size_max;
139 	uint8_t phy_addr;
140 	uint8_t media_type;
141 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
142 	uint8_t default_speed;
143 	uint32_t numa_node_map;
144 	uint8_t speed_ability;
145 	uint16_t umv_space;
146 };
147 
148 /* mac media type */
149 enum hns3_media_type {
150 	HNS3_MEDIA_TYPE_UNKNOWN,
151 	HNS3_MEDIA_TYPE_FIBER,
152 	HNS3_MEDIA_TYPE_COPPER,
153 	HNS3_MEDIA_TYPE_BACKPLANE,
154 	HNS3_MEDIA_TYPE_NONE,
155 };
156 
157 struct hns3_mac {
158 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
159 	bool default_addr_setted; /* whether default addr(mac_addr) is setted */
160 	uint8_t media_type;
161 	uint8_t phy_addr;
162 	uint8_t link_duplex  : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
163 	uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
164 	uint8_t link_status  : 1; /* ETH_LINK_[DOWN/UP] */
165 	uint32_t link_speed;      /* ETH_SPEED_NUM_ */
166 };
167 
168 struct hns3_fake_queue_data {
169 	void **rx_queues; /* Array of pointers to fake RX queues. */
170 	void **tx_queues; /* Array of pointers to fake TX queues. */
171 	uint16_t nb_fake_rx_queues; /* Number of fake RX queues. */
172 	uint16_t nb_fake_tx_queues; /* Number of fake TX queues. */
173 };
174 
175 #define HNS3_PORT_BASE_VLAN_DISABLE	0
176 #define HNS3_PORT_BASE_VLAN_ENABLE	1
177 struct hns3_port_base_vlan_config {
178 	uint16_t state;
179 	uint16_t pvid;
180 };
181 
182 /* Primary process maintains driver state in main thread.
183  *
184  * +---------------+
185  * | UNINITIALIZED |<-----------+
186  * +---------------+		|
187  *	|.eth_dev_init		|.eth_dev_uninit
188  *	V			|
189  * +---------------+------------+
190  * |  INITIALIZED  |
191  * +---------------+<-----------<---------------+
192  *	|.dev_configure		|		|
193  *	V			|failed		|
194  * +---------------+------------+		|
195  * |  CONFIGURING  |				|
196  * +---------------+----+			|
197  *	|success	|			|
198  *	|		|		+---------------+
199  *	|		|		|    CLOSING    |
200  *	|		|		+---------------+
201  *	|		|			^
202  *	V		|.dev_configure		|
203  * +---------------+----+			|.dev_close
204  * |  CONFIGURED   |----------------------------+
205  * +---------------+<-----------+
206  *	|.dev_start		|
207  *	V			|
208  * +---------------+		|
209  * |   STARTING    |------------^
210  * +---------------+ failed	|
211  *	|success		|
212  *	|		+---------------+
213  *	|		|   STOPPING    |
214  *	|		+---------------+
215  *	|			^
216  *	V			|.dev_stop
217  * +---------------+------------+
218  * |    STARTED    |
219  * +---------------+
220  */
221 enum hns3_adapter_state {
222 	HNS3_NIC_UNINITIALIZED = 0,
223 	HNS3_NIC_INITIALIZED,
224 	HNS3_NIC_CONFIGURING,
225 	HNS3_NIC_CONFIGURED,
226 	HNS3_NIC_STARTING,
227 	HNS3_NIC_STARTED,
228 	HNS3_NIC_STOPPING,
229 	HNS3_NIC_CLOSING,
230 	HNS3_NIC_CLOSED,
231 	HNS3_NIC_REMOVED,
232 	HNS3_NIC_NSTATES
233 };
234 
235 /* Reset various stages, execute in order */
236 enum hns3_reset_stage {
237 	/* Stop query services, stop transceiver, disable MAC */
238 	RESET_STAGE_DOWN,
239 	/* Clear reset completion flags, disable send command */
240 	RESET_STAGE_PREWAIT,
241 	/* Inform IMP to start resetting */
242 	RESET_STAGE_REQ_HW_RESET,
243 	/* Waiting for hardware reset to complete */
244 	RESET_STAGE_WAIT,
245 	/* Reinitialize hardware */
246 	RESET_STAGE_DEV_INIT,
247 	/* Restore user settings and enable MAC */
248 	RESET_STAGE_RESTORE,
249 	/* Restart query services, start transceiver */
250 	RESET_STAGE_DONE,
251 	/* Not in reset state */
252 	RESET_STAGE_NONE,
253 };
254 
255 enum hns3_reset_level {
256 	HNS3_NONE_RESET,
257 	HNS3_VF_FUNC_RESET, /* A VF function reset */
258 	/*
259 	 * All VFs under a PF perform function reset.
260 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
261 	 * of the reset level and the one defined in kernel driver should be
262 	 * same.
263 	 */
264 	HNS3_VF_PF_FUNC_RESET = 2,
265 	/*
266 	 * All VFs under a PF perform FLR reset.
267 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
268 	 * of the reset level and the one defined in kernel driver should be
269 	 * same.
270 	 */
271 	HNS3_VF_FULL_RESET = 3,
272 	HNS3_FLR_RESET,     /* A VF perform FLR reset */
273 	/* All VFs under the rootport perform a global or IMP reset */
274 	HNS3_VF_RESET,
275 	HNS3_FUNC_RESET,    /* A PF function reset */
276 	/* All PFs under the rootport perform a global reset */
277 	HNS3_GLOBAL_RESET,
278 	HNS3_IMP_RESET,     /* All PFs under the rootport perform a IMP reset */
279 	HNS3_MAX_RESET
280 };
281 
282 enum hns3_wait_result {
283 	HNS3_WAIT_UNKNOWN,
284 	HNS3_WAIT_REQUEST,
285 	HNS3_WAIT_SUCCESS,
286 	HNS3_WAIT_TIMEOUT
287 };
288 
289 #define HNS3_RESET_SYNC_US 100000
290 
291 struct hns3_reset_stats {
292 	uint64_t request_cnt; /* Total request reset times */
293 	uint64_t global_cnt;  /* Total GLOBAL reset times */
294 	uint64_t imp_cnt;     /* Total IMP reset times */
295 	uint64_t exec_cnt;    /* Total reset executive times */
296 	uint64_t success_cnt; /* Total reset successful times */
297 	uint64_t fail_cnt;    /* Total reset failed times */
298 	uint64_t merge_cnt;   /* Total merged in high reset times */
299 };
300 
301 typedef bool (*check_completion_func)(struct hns3_hw *hw);
302 
303 struct hns3_wait_data {
304 	void *hns;
305 	uint64_t end_ms;
306 	uint64_t interval;
307 	int16_t count;
308 	enum hns3_wait_result result;
309 	check_completion_func check_completion;
310 };
311 
312 struct hns3_reset_ops {
313 	void (*reset_service)(void *arg);
314 	int (*stop_service)(struct hns3_adapter *hns);
315 	int (*prepare_reset)(struct hns3_adapter *hns);
316 	int (*wait_hardware_ready)(struct hns3_adapter *hns);
317 	int (*reinit_dev)(struct hns3_adapter *hns);
318 	int (*restore_conf)(struct hns3_adapter *hns);
319 	int (*start_service)(struct hns3_adapter *hns);
320 };
321 
322 enum hns3_schedule {
323 	SCHEDULE_NONE,
324 	SCHEDULE_PENDING,
325 	SCHEDULE_REQUESTED,
326 	SCHEDULE_DEFERRED,
327 };
328 
329 struct hns3_reset_data {
330 	enum hns3_reset_stage stage;
331 	rte_atomic16_t schedule;
332 	/* Reset flag, covering the entire reset process */
333 	rte_atomic16_t resetting;
334 	/* Used to disable sending cmds during reset */
335 	rte_atomic16_t disable_cmd;
336 	/* The reset level being processed */
337 	enum hns3_reset_level level;
338 	/* Reset level set, each bit represents a reset level */
339 	uint64_t pending;
340 	/* Request reset level set, from interrupt or mailbox */
341 	uint64_t request;
342 	int attempts; /* Reset failure retry */
343 	int retries;  /* Timeout failure retry in reset_post */
344 	/*
345 	 * At the time of global or IMP reset, the command cannot be sent to
346 	 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
347 	 * reset process, so the mbuf is required to be released after the reset
348 	 * is completed.The mbuf_deferred_free is used to mark whether mbuf
349 	 * needs to be released.
350 	 */
351 	bool mbuf_deferred_free;
352 	struct timeval start_time;
353 	struct hns3_reset_stats stats;
354 	const struct hns3_reset_ops *ops;
355 	struct hns3_wait_data *wait_data;
356 };
357 
358 struct hns3_hw {
359 	struct rte_eth_dev_data *data;
360 	void *io_base;
361 	uint8_t revision;           /* PCI revision, low byte of class word */
362 	struct hns3_cmq cmq;
363 	struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
364 	struct hns3_mbx_arq_ring arq;         /* mailbox async rx queue */
365 	pthread_t irq_thread_id;
366 	struct hns3_mac mac;
367 	unsigned int secondary_cnt; /* Number of secondary processes init'd. */
368 	struct hns3_tqp_stats tqp_stats;
369 	/* Include Mac stats | Rx stats | Tx stats */
370 	struct hns3_mac_stats mac_stats;
371 	uint32_t fw_version;
372 
373 	uint16_t num_msi;
374 	uint16_t total_tqps_num;    /* total task queue pairs of this PF */
375 	uint16_t tqps_num;          /* num task queue pairs of this function */
376 	uint16_t intr_tqps_num;     /* num queue pairs mapping interrupt */
377 	uint16_t rss_size_max;      /* HW defined max RSS task queue */
378 	uint16_t num_tx_desc;       /* desc num of per tx queue */
379 	uint16_t num_rx_desc;       /* desc num of per rx queue */
380 
381 	struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
382 	int mc_addrs_num; /* Multicast mac addresses number */
383 
384 	/* The configuration info of RSS */
385 	struct hns3_rss_conf rss_info;
386 	bool rss_dis_flag; /* disable rss flag. true: disable, false: enable */
387 
388 	uint8_t num_tc;             /* Total number of enabled TCs */
389 	uint8_t hw_tc_map;
390 	enum hns3_fc_mode current_mode;
391 	enum hns3_fc_mode requested_mode;
392 	struct hns3_dcb_info dcb_info;
393 	enum hns3_fc_status current_fc_status; /* current flow control status */
394 	struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
395 	uint16_t used_rx_queues;
396 	uint16_t used_tx_queues;
397 
398 	/* Config max queue numbers between rx and tx queues from user */
399 	uint16_t cfg_max_queues;
400 	struct hns3_fake_queue_data fkq_data;     /* fake queue data */
401 	uint16_t alloc_rss_size;    /* RX queue number per TC */
402 	uint16_t tx_qnum_per_tc;    /* TX queue number per TC */
403 
404 	uint32_t capability;
405 
406 	struct hns3_port_base_vlan_config port_base_vlan_cfg;
407 	/*
408 	 * PMD setup and configuration is not thread safe. Since it is not
409 	 * performance sensitive, it is better to guarantee thread-safety
410 	 * and add device level lock. Adapter control operations which
411 	 * change its state should acquire the lock.
412 	 */
413 	rte_spinlock_t lock;
414 	enum hns3_adapter_state adapter_state;
415 	struct hns3_reset_data reset;
416 };
417 
418 #define HNS3_FLAG_TC_BASE_SCH_MODE		1
419 #define HNS3_FLAG_VNET_BASE_SCH_MODE		2
420 
421 struct hns3_err_msix_intr_stats {
422 	uint64_t mac_afifo_tnl_intr_cnt;
423 	uint64_t ppu_mpf_abnormal_intr_st2_cnt;
424 	uint64_t ssu_port_based_pf_intr_cnt;
425 	uint64_t ppp_pf_abnormal_intr_cnt;
426 	uint64_t ppu_pf_abnormal_intr_cnt;
427 };
428 
429 /* vlan entry information. */
430 struct hns3_user_vlan_table {
431 	LIST_ENTRY(hns3_user_vlan_table) next;
432 	bool hd_tbl_status;
433 	uint16_t vlan_id;
434 };
435 
436 /* Vlan tag configuration for RX direction */
437 struct hns3_rx_vtag_cfg {
438 	uint8_t rx_vlan_offload_en; /* Whether enable rx vlan offload */
439 	uint8_t strip_tag1_en;      /* Whether strip inner vlan tag */
440 	uint8_t strip_tag2_en;      /* Whether strip outer vlan tag */
441 	uint8_t vlan1_vlan_prionly; /* Inner VLAN Tag up to descriptor Enable */
442 	uint8_t vlan2_vlan_prionly; /* Outer VLAN Tag up to descriptor Enable */
443 };
444 
445 /* Vlan tag configuration for TX direction */
446 struct hns3_tx_vtag_cfg {
447 	bool accept_tag1;           /* Whether accept tag1 packet from host */
448 	bool accept_untag1;         /* Whether accept untag1 packet from host */
449 	bool accept_tag2;
450 	bool accept_untag2;
451 	bool insert_tag1_en;        /* Whether insert inner vlan tag */
452 	bool insert_tag2_en;        /* Whether insert outer vlan tag */
453 	uint16_t default_tag1;      /* The default inner vlan tag to insert */
454 	uint16_t default_tag2;      /* The default outer vlan tag to insert */
455 };
456 
457 struct hns3_vtag_cfg {
458 	struct hns3_rx_vtag_cfg rx_vcfg;
459 	struct hns3_tx_vtag_cfg tx_vcfg;
460 };
461 
462 /* Request types for IPC. */
463 enum hns3_mp_req_type {
464 	HNS3_MP_REQ_START_RXTX = 1,
465 	HNS3_MP_REQ_STOP_RXTX,
466 	HNS3_MP_REQ_MAX
467 };
468 
469 /* Pameters for IPC. */
470 struct hns3_mp_param {
471 	enum hns3_mp_req_type type;
472 	int port_id;
473 	int result;
474 };
475 
476 /* Request timeout for IPC. */
477 #define HNS3_MP_REQ_TIMEOUT_SEC 5
478 
479 /* Key string for IPC. */
480 #define HNS3_MP_NAME "net_hns3_mp"
481 
482 struct hns3_pf {
483 	struct hns3_adapter *adapter;
484 	bool is_main_pf;
485 	uint16_t func_num; /* num functions of this pf, include pf and vfs */
486 
487 	uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
488 	uint32_t tx_buf_size; /* Tx buffer size for each TC */
489 	uint32_t dv_buf_size; /* Dv buffer size for each TC */
490 
491 	uint16_t mps; /* Max packet size */
492 
493 	uint8_t tx_sch_mode;
494 	uint8_t tc_max; /* max number of tc driver supported */
495 	uint8_t local_max_tc; /* max number of local tc */
496 	uint8_t pfc_max;
497 	uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
498 	uint16_t pause_time;
499 	bool support_fc_autoneg;       /* support FC autonegotiate */
500 
501 	uint16_t wanted_umv_size;
502 	uint16_t max_umv_size;
503 	uint16_t used_umv_size;
504 
505 	/* Statistics information for abnormal interrupt */
506 	struct hns3_err_msix_intr_stats abn_int_stats;
507 
508 	bool support_sfp_query;
509 
510 	struct hns3_vtag_cfg vtag_config;
511 	LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
512 
513 	struct hns3_fdir_info fdir; /* flow director info */
514 	LIST_HEAD(counters, hns3_flow_counter) flow_counters;
515 };
516 
517 struct hns3_vf {
518 	struct hns3_adapter *adapter;
519 };
520 
521 struct hns3_adapter {
522 	struct hns3_hw hw;
523 
524 	/* Specific for PF or VF */
525 	bool is_vf; /* false - PF, true - VF */
526 	union {
527 		struct hns3_pf pf;
528 		struct hns3_vf vf;
529 	};
530 };
531 
532 #define HNS3_DEV_SUPPORT_DCB_B			0x0
533 
534 #define hns3_dev_dcb_supported(hw) \
535 	hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_DCB_B)
536 
537 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
538 	(&((struct hns3_adapter *)adapter)->hw)
539 #define HNS3_DEV_PRIVATE_TO_ADAPTER(adapter) \
540 	((struct hns3_adapter *)adapter)
541 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
542 	(&((struct hns3_adapter *)adapter)->pf)
543 #define HNS3VF_DEV_PRIVATE_TO_VF(adapter) \
544 	(&((struct hns3_adapter *)adapter)->vf)
545 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
546 	container_of(hw, struct hns3_adapter, hw)
547 
548 #define hns3_set_field(origin, mask, shift, val) \
549 	do { \
550 		(origin) &= (~(mask)); \
551 		(origin) |= ((val) << (shift)) & (mask); \
552 	} while (0)
553 #define hns3_get_field(origin, mask, shift) \
554 	(((origin) & (mask)) >> (shift))
555 #define hns3_set_bit(origin, shift, val) \
556 	hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
557 #define hns3_get_bit(origin, shift) \
558 	hns3_get_field((origin), (0x1UL << (shift)), (shift))
559 
560 /*
561  * upper_32_bits - return bits 32-63 of a number
562  * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
563  * the "right shift count >= width of type" warning when that quantity is
564  * 32-bits.
565  */
566 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
567 
568 /* lower_32_bits - return bits 0-31 of a number */
569 #define lower_32_bits(n) ((uint32_t)(n))
570 
571 #define BIT(nr) (1UL << (nr))
572 
573 #define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
574 #define GENMASK(h, l) \
575 	(((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
576 
577 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
578 #define rounddown(x, y) ((x) - ((x) % (y)))
579 
580 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
581 
582 #define max_t(type, x, y) ({                    \
583 	type __max1 = (x);                      \
584 	type __max2 = (y);                      \
585 	__max1 > __max2 ? __max1 : __max2; })
586 
587 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
588 {
589 	rte_write32(value, (volatile void *)((char *)base + reg));
590 }
591 
592 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
593 {
594 	return rte_read32((volatile void *)((char *)base + reg));
595 }
596 
597 #define hns3_write_dev(a, reg, value) \
598 	hns3_write_reg((a)->io_base, (reg), (value))
599 
600 #define hns3_read_dev(a, reg) \
601 	hns3_read_reg((a)->io_base, (reg))
602 
603 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
604 
605 #define NEXT_ITEM_OF_ACTION(act, actions, index)                        \
606 	do {								\
607 		act = (actions) + (index);				\
608 		while (act->type == RTE_FLOW_ACTION_TYPE_VOID) {	\
609 			(index)++;					\
610 			act = actions + index;				\
611 		}							\
612 	} while (0)
613 
614 #define MSEC_PER_SEC              1000L
615 #define USEC_PER_MSEC             1000L
616 
617 static inline uint64_t
618 get_timeofday_ms(void)
619 {
620 	struct timeval tv;
621 
622 	(void)gettimeofday(&tv, NULL);
623 
624 	return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
625 }
626 
627 static inline uint64_t
628 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
629 {
630 	uint64_t res;
631 
632 	res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
633 	return res;
634 }
635 
636 static inline void
637 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
638 {
639 	__atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
640 }
641 
642 static inline void
643 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
644 {
645 	__atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
646 }
647 
648 static inline int64_t
649 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
650 {
651 	uint64_t mask = (1UL << nr);
652 
653 	return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
654 }
655 
656 int hns3_buffer_alloc(struct hns3_hw *hw);
657 int hns3_dev_filter_ctrl(struct rte_eth_dev *dev,
658 			 enum rte_filter_type filter_type,
659 			 enum rte_filter_op filter_op, void *arg);
660 bool hns3_is_reset_pending(struct hns3_adapter *hns);
661 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
662 void hns3_update_link_status(struct hns3_hw *hw);
663 
664 static inline bool
665 is_reset_pending(struct hns3_adapter *hns)
666 {
667 	bool ret;
668 	if (hns->is_vf)
669 		ret = hns3vf_is_reset_pending(hns);
670 	else
671 		ret = hns3_is_reset_pending(hns);
672 	return ret;
673 }
674 
675 static inline uint64_t
676 hns3_txvlan_cap_get(struct hns3_hw *hw)
677 {
678 	if (hw->port_base_vlan_cfg.state)
679 		return DEV_TX_OFFLOAD_VLAN_INSERT;
680 	else
681 		return DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT;
682 }
683 
684 #endif /* _HNS3_ETHDEV_H_ */
685