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