1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /* Copyright (c) 2016-2017 Hisilicon Limited. */
3 
4 #ifndef __HCLGEVF_MAIN_H
5 #define __HCLGEVF_MAIN_H
6 #include <linux/fs.h>
7 #include <linux/if_vlan.h>
8 #include <linux/types.h>
9 #include <net/devlink.h>
10 #include "hclge_mbx.h"
11 #include "hclgevf_cmd.h"
12 #include "hnae3.h"
13 
14 #define HCLGEVF_MOD_VERSION "1.0"
15 #define HCLGEVF_DRIVER_NAME "hclgevf"
16 
17 #define HCLGEVF_MAX_VLAN_ID	4095
18 #define HCLGEVF_MISC_VECTOR_NUM		0
19 
20 #define HCLGEVF_INVALID_VPORT		0xffff
21 #define HCLGEVF_GENERAL_TASK_INTERVAL	  5
22 #define HCLGEVF_KEEP_ALIVE_TASK_INTERVAL  2
23 
24 /* This number in actual depends upon the total number of VFs
25  * created by physical function. But the maximum number of
26  * possible vector-per-VF is {VFn(1-32), VECTn(32 + 1)}.
27  */
28 #define HCLGEVF_MAX_VF_VECTOR_NUM	(32 + 1)
29 
30 #define HCLGEVF_VECTOR_REG_BASE		0x20000
31 #define HCLGEVF_MISC_VECTOR_REG_BASE	0x20400
32 #define HCLGEVF_VECTOR_REG_OFFSET	0x4
33 #define HCLGEVF_VECTOR_VF_OFFSET		0x100000
34 
35 /* bar registers for cmdq */
36 #define HCLGEVF_NIC_CSQ_BASEADDR_L_REG		0x27000
37 #define HCLGEVF_NIC_CSQ_BASEADDR_H_REG		0x27004
38 #define HCLGEVF_NIC_CSQ_DEPTH_REG		0x27008
39 #define HCLGEVF_NIC_CSQ_TAIL_REG		0x27010
40 #define HCLGEVF_NIC_CSQ_HEAD_REG		0x27014
41 #define HCLGEVF_NIC_CRQ_BASEADDR_L_REG		0x27018
42 #define HCLGEVF_NIC_CRQ_BASEADDR_H_REG		0x2701C
43 #define HCLGEVF_NIC_CRQ_DEPTH_REG		0x27020
44 #define HCLGEVF_NIC_CRQ_TAIL_REG		0x27024
45 #define HCLGEVF_NIC_CRQ_HEAD_REG		0x27028
46 
47 #define HCLGEVF_CMDQ_INTR_EN_REG		0x27108
48 #define HCLGEVF_CMDQ_INTR_GEN_REG		0x2710C
49 
50 /* bar registers for common func */
51 #define HCLGEVF_GRO_EN_REG			0x28000
52 #define HCLGEVF_RXD_ADV_LAYOUT_EN_REG		0x28008
53 
54 /* bar registers for rcb */
55 #define HCLGEVF_RING_RX_ADDR_L_REG		0x80000
56 #define HCLGEVF_RING_RX_ADDR_H_REG		0x80004
57 #define HCLGEVF_RING_RX_BD_NUM_REG		0x80008
58 #define HCLGEVF_RING_RX_BD_LENGTH_REG		0x8000C
59 #define HCLGEVF_RING_RX_MERGE_EN_REG		0x80014
60 #define HCLGEVF_RING_RX_TAIL_REG		0x80018
61 #define HCLGEVF_RING_RX_HEAD_REG		0x8001C
62 #define HCLGEVF_RING_RX_FBD_NUM_REG		0x80020
63 #define HCLGEVF_RING_RX_OFFSET_REG		0x80024
64 #define HCLGEVF_RING_RX_FBD_OFFSET_REG		0x80028
65 #define HCLGEVF_RING_RX_STASH_REG		0x80030
66 #define HCLGEVF_RING_RX_BD_ERR_REG		0x80034
67 #define HCLGEVF_RING_TX_ADDR_L_REG		0x80040
68 #define HCLGEVF_RING_TX_ADDR_H_REG		0x80044
69 #define HCLGEVF_RING_TX_BD_NUM_REG		0x80048
70 #define HCLGEVF_RING_TX_PRIORITY_REG		0x8004C
71 #define HCLGEVF_RING_TX_TC_REG			0x80050
72 #define HCLGEVF_RING_TX_MERGE_EN_REG		0x80054
73 #define HCLGEVF_RING_TX_TAIL_REG		0x80058
74 #define HCLGEVF_RING_TX_HEAD_REG		0x8005C
75 #define HCLGEVF_RING_TX_FBD_NUM_REG		0x80060
76 #define HCLGEVF_RING_TX_OFFSET_REG		0x80064
77 #define HCLGEVF_RING_TX_EBD_NUM_REG		0x80068
78 #define HCLGEVF_RING_TX_EBD_OFFSET_REG		0x80070
79 #define HCLGEVF_RING_TX_BD_ERR_REG		0x80074
80 #define HCLGEVF_RING_EN_REG			0x80090
81 
82 /* bar registers for tqp interrupt */
83 #define HCLGEVF_TQP_INTR_CTRL_REG		0x20000
84 #define HCLGEVF_TQP_INTR_GL0_REG		0x20100
85 #define HCLGEVF_TQP_INTR_GL1_REG		0x20200
86 #define HCLGEVF_TQP_INTR_GL2_REG		0x20300
87 #define HCLGEVF_TQP_INTR_RL_REG			0x20900
88 
89 /* Vector0 interrupt CMDQ event source register(RW) */
90 #define HCLGEVF_VECTOR0_CMDQ_SRC_REG	0x27100
91 /* Vector0 interrupt CMDQ event status register(RO) */
92 #define HCLGEVF_VECTOR0_CMDQ_STATE_REG	0x27104
93 /* CMDQ register bits for RX event(=MBX event) */
94 #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B	1
95 /* RST register bits for RESET event */
96 #define HCLGEVF_VECTOR0_RST_INT_B	2
97 
98 #define HCLGEVF_TQP_RESET_TRY_TIMES	10
99 /* Reset related Registers */
100 #define HCLGEVF_RST_ING			0x20C00
101 #define HCLGEVF_FUN_RST_ING_BIT		BIT(0)
102 #define HCLGEVF_GLOBAL_RST_ING_BIT	BIT(5)
103 #define HCLGEVF_CORE_RST_ING_BIT	BIT(6)
104 #define HCLGEVF_IMP_RST_ING_BIT		BIT(7)
105 #define HCLGEVF_RST_ING_BITS \
106 	(HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \
107 	 HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT)
108 
109 #define HCLGEVF_VF_RST_ING		0x07008
110 #define HCLGEVF_VF_RST_ING_BIT		BIT(16)
111 
112 #define HCLGEVF_RSS_IND_TBL_SIZE		512
113 #define HCLGEVF_RSS_SET_BITMAP_MSK	0xffff
114 #define HCLGEVF_RSS_KEY_SIZE		40
115 #define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ	0
116 #define HCLGEVF_RSS_HASH_ALGO_SIMPLE	1
117 #define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC	2
118 #define HCLGEVF_RSS_HASH_ALGO_MASK	0xf
119 
120 #define HCLGEVF_RSS_INPUT_TUPLE_OTHER	GENMASK(3, 0)
121 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP	GENMASK(4, 0)
122 #define HCLGEVF_D_PORT_BIT		BIT(0)
123 #define HCLGEVF_S_PORT_BIT		BIT(1)
124 #define HCLGEVF_D_IP_BIT		BIT(2)
125 #define HCLGEVF_S_IP_BIT		BIT(3)
126 #define HCLGEVF_V_TAG_BIT		BIT(4)
127 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT	\
128 	(HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
129 
130 #define HCLGEVF_MAC_MAX_FRAME		9728
131 
132 #define HCLGEVF_STATS_TIMER_INTERVAL	36U
133 
134 enum hclgevf_evt_cause {
135 	HCLGEVF_VECTOR0_EVENT_RST,
136 	HCLGEVF_VECTOR0_EVENT_MBX,
137 	HCLGEVF_VECTOR0_EVENT_OTHER,
138 };
139 
140 /* states of hclgevf device & tasks */
141 enum hclgevf_states {
142 	/* device states */
143 	HCLGEVF_STATE_DOWN,
144 	HCLGEVF_STATE_DISABLED,
145 	HCLGEVF_STATE_IRQ_INITED,
146 	HCLGEVF_STATE_REMOVING,
147 	HCLGEVF_STATE_NIC_REGISTERED,
148 	HCLGEVF_STATE_ROCE_REGISTERED,
149 	/* task states */
150 	HCLGEVF_STATE_RST_SERVICE_SCHED,
151 	HCLGEVF_STATE_RST_HANDLING,
152 	HCLGEVF_STATE_MBX_SERVICE_SCHED,
153 	HCLGEVF_STATE_MBX_HANDLING,
154 	HCLGEVF_STATE_CMD_DISABLE,
155 	HCLGEVF_STATE_LINK_UPDATING,
156 	HCLGEVF_STATE_PROMISC_CHANGED,
157 	HCLGEVF_STATE_RST_FAIL,
158 	HCLGEVF_STATE_PF_PUSH_LINK_STATUS,
159 };
160 
161 struct hclgevf_mac {
162 	u8 media_type;
163 	u8 module_type;
164 	u8 mac_addr[ETH_ALEN];
165 	int link;
166 	u8 duplex;
167 	u32 speed;
168 	u64 supported;
169 	u64 advertising;
170 };
171 
172 struct hclgevf_hw {
173 	void __iomem *io_base;
174 	void __iomem *mem_base;
175 	int num_vec;
176 	struct hclgevf_cmq cmq;
177 	struct hclgevf_mac mac;
178 	void *hdev; /* hchgevf device it is part of */
179 };
180 
181 /* TQP stats */
182 struct hlcgevf_tqp_stats {
183 	/* query_tqp_tx_queue_statistics, opcode id: 0x0B03 */
184 	u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
185 	/* query_tqp_rx_queue_statistics, opcode id: 0x0B13 */
186 	u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
187 };
188 
189 struct hclgevf_tqp {
190 	struct device *dev;	/* device for DMA mapping */
191 	struct hnae3_queue q;
192 	struct hlcgevf_tqp_stats tqp_stats;
193 	u16 index;		/* global index in a NIC controller */
194 
195 	bool alloced;
196 };
197 
198 struct hclgevf_cfg {
199 	u8 tc_num;
200 	u16 tqp_desc_num;
201 	u16 rx_buf_len;
202 	u8 phy_addr;
203 	u8 media_type;
204 	u8 mac_addr[ETH_ALEN];
205 	u32 numa_node_map;
206 };
207 
208 struct hclgevf_rss_tuple_cfg {
209 	u8 ipv4_tcp_en;
210 	u8 ipv4_udp_en;
211 	u8 ipv4_sctp_en;
212 	u8 ipv4_fragment_en;
213 	u8 ipv6_tcp_en;
214 	u8 ipv6_udp_en;
215 	u8 ipv6_sctp_en;
216 	u8 ipv6_fragment_en;
217 };
218 
219 struct hclgevf_rss_cfg {
220 	u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
221 	u32 hash_algo;
222 	u32 rss_size;
223 	u8 hw_tc_map;
224 	/* shadow table */
225 	u8 *rss_indirection_tbl;
226 	struct hclgevf_rss_tuple_cfg rss_tuple_sets;
227 };
228 
229 struct hclgevf_misc_vector {
230 	u8 __iomem *addr;
231 	int vector_irq;
232 	char name[HNAE3_INT_NAME_LEN];
233 };
234 
235 struct hclgevf_rst_stats {
236 	u32 rst_cnt;			/* the number of reset */
237 	u32 vf_func_rst_cnt;		/* the number of VF function reset */
238 	u32 flr_rst_cnt;		/* the number of FLR */
239 	u32 vf_rst_cnt;			/* the number of VF reset */
240 	u32 rst_done_cnt;		/* the number of reset completed */
241 	u32 hw_rst_done_cnt;		/* the number of HW reset completed */
242 	u32 rst_fail_cnt;		/* the number of VF reset fail */
243 };
244 
245 enum HCLGEVF_MAC_ADDR_TYPE {
246 	HCLGEVF_MAC_ADDR_UC,
247 	HCLGEVF_MAC_ADDR_MC
248 };
249 
250 enum HCLGEVF_MAC_NODE_STATE {
251 	HCLGEVF_MAC_TO_ADD,
252 	HCLGEVF_MAC_TO_DEL,
253 	HCLGEVF_MAC_ACTIVE
254 };
255 
256 struct hclgevf_mac_addr_node {
257 	struct list_head node;
258 	enum HCLGEVF_MAC_NODE_STATE state;
259 	u8 mac_addr[ETH_ALEN];
260 };
261 
262 struct hclgevf_mac_table_cfg {
263 	spinlock_t mac_list_lock; /* protect mac address need to add/detele */
264 	struct list_head uc_mac_list;
265 	struct list_head mc_mac_list;
266 };
267 
268 struct hclgevf_dev {
269 	struct pci_dev *pdev;
270 	struct hnae3_ae_dev *ae_dev;
271 	struct hclgevf_hw hw;
272 	struct hclgevf_misc_vector misc_vector;
273 	struct hclgevf_rss_cfg rss_cfg;
274 	unsigned long state;
275 	unsigned long flr_state;
276 	unsigned long default_reset_request;
277 	unsigned long last_reset_time;
278 	enum hnae3_reset_type reset_level;
279 	unsigned long reset_pending;
280 	enum hnae3_reset_type reset_type;
281 
282 #define HCLGEVF_RESET_REQUESTED		0
283 #define HCLGEVF_RESET_PENDING		1
284 	unsigned long reset_state;	/* requested, pending */
285 	struct hclgevf_rst_stats rst_stats;
286 	u32 reset_attempts;
287 	struct semaphore reset_sem;	/* protect reset process */
288 
289 	u32 fw_version;
290 	u16 mbx_api_version;
291 	u16 num_tqps;		/* num task queue pairs of this VF */
292 
293 	u16 alloc_rss_size;	/* allocated RSS task queue */
294 	u16 rss_size_max;	/* HW defined max RSS task queue */
295 
296 	u16 num_alloc_vport;	/* num vports this driver supports */
297 	u32 numa_node_mask;
298 	u16 rx_buf_len;
299 	u16 num_tx_desc;	/* desc num of per tx queue */
300 	u16 num_rx_desc;	/* desc num of per rx queue */
301 	u8 hw_tc_map;
302 	u8 has_pf_mac;
303 
304 	u16 num_msi;
305 	u16 num_msi_left;
306 	u16 num_msi_used;
307 	u16 num_nic_msix;	/* Num of nic vectors for this VF */
308 	u16 num_roce_msix;	/* Num of roce vectors for this VF */
309 	u16 roce_base_msix_offset;
310 	int roce_base_vector;
311 	u32 base_msi_vector;
312 	u16 *vector_status;
313 	int *vector_irq;
314 
315 	bool gro_en;
316 
317 	unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
318 
319 	struct hclgevf_mac_table_cfg mac_table;
320 
321 	struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
322 	struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
323 
324 	struct delayed_work service_task;
325 
326 	struct hclgevf_tqp *htqp;
327 
328 	struct hnae3_handle nic;
329 	struct hnae3_handle roce;
330 
331 	struct hnae3_client *nic_client;
332 	struct hnae3_client *roce_client;
333 	u32 flag;
334 	unsigned long serv_processed_cnt;
335 	unsigned long last_serv_processed;
336 
337 	struct devlink *devlink;
338 };
339 
340 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
341 {
342 	return !!hdev->reset_pending;
343 }
344 
345 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
346 			 struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
347 			 u8 *resp_data, u16 resp_len);
348 void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
349 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
350 
351 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
352 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
353 				 u8 duplex);
354 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
355 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
356 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
357 					u8 *port_base_vlan_info, u8 data_size);
358 #endif
359