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_SRC_REG		0x27100
46 #define HCLGEVF_CMDQ_INTR_STS_REG		0x27104
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 
53 /* bar registers for rcb */
54 #define HCLGEVF_RING_RX_ADDR_L_REG		0x80000
55 #define HCLGEVF_RING_RX_ADDR_H_REG		0x80004
56 #define HCLGEVF_RING_RX_BD_NUM_REG		0x80008
57 #define HCLGEVF_RING_RX_BD_LENGTH_REG		0x8000C
58 #define HCLGEVF_RING_RX_MERGE_EN_REG		0x80014
59 #define HCLGEVF_RING_RX_TAIL_REG		0x80018
60 #define HCLGEVF_RING_RX_HEAD_REG		0x8001C
61 #define HCLGEVF_RING_RX_FBD_NUM_REG		0x80020
62 #define HCLGEVF_RING_RX_OFFSET_REG		0x80024
63 #define HCLGEVF_RING_RX_FBD_OFFSET_REG		0x80028
64 #define HCLGEVF_RING_RX_STASH_REG		0x80030
65 #define HCLGEVF_RING_RX_BD_ERR_REG		0x80034
66 #define HCLGEVF_RING_TX_ADDR_L_REG		0x80040
67 #define HCLGEVF_RING_TX_ADDR_H_REG		0x80044
68 #define HCLGEVF_RING_TX_BD_NUM_REG		0x80048
69 #define HCLGEVF_RING_TX_PRIORITY_REG		0x8004C
70 #define HCLGEVF_RING_TX_TC_REG			0x80050
71 #define HCLGEVF_RING_TX_MERGE_EN_REG		0x80054
72 #define HCLGEVF_RING_TX_TAIL_REG		0x80058
73 #define HCLGEVF_RING_TX_HEAD_REG		0x8005C
74 #define HCLGEVF_RING_TX_FBD_NUM_REG		0x80060
75 #define HCLGEVF_RING_TX_OFFSET_REG		0x80064
76 #define HCLGEVF_RING_TX_EBD_NUM_REG		0x80068
77 #define HCLGEVF_RING_TX_EBD_OFFSET_REG		0x80070
78 #define HCLGEVF_RING_TX_BD_ERR_REG		0x80074
79 #define HCLGEVF_RING_EN_REG			0x80090
80 
81 /* bar registers for tqp interrupt */
82 #define HCLGEVF_TQP_INTR_CTRL_REG		0x20000
83 #define HCLGEVF_TQP_INTR_GL0_REG		0x20100
84 #define HCLGEVF_TQP_INTR_GL1_REG		0x20200
85 #define HCLGEVF_TQP_INTR_GL2_REG		0x20300
86 #define HCLGEVF_TQP_INTR_RL_REG			0x20900
87 
88 /* Vector0 interrupt CMDQ event source register(RW) */
89 #define HCLGEVF_VECTOR0_CMDQ_SRC_REG	0x27100
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_RSS_IND_TBL_SIZE		512
107 #define HCLGEVF_RSS_SET_BITMAP_MSK	0xffff
108 #define HCLGEVF_RSS_KEY_SIZE		40
109 #define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ	0
110 #define HCLGEVF_RSS_HASH_ALGO_SIMPLE	1
111 #define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC	2
112 #define HCLGEVF_RSS_HASH_ALGO_MASK	0xf
113 #define HCLGEVF_RSS_CFG_TBL_NUM \
114 	(HCLGEVF_RSS_IND_TBL_SIZE / HCLGEVF_RSS_CFG_TBL_SIZE)
115 #define HCLGEVF_RSS_INPUT_TUPLE_OTHER	GENMASK(3, 0)
116 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP	GENMASK(4, 0)
117 #define HCLGEVF_D_PORT_BIT		BIT(0)
118 #define HCLGEVF_S_PORT_BIT		BIT(1)
119 #define HCLGEVF_D_IP_BIT		BIT(2)
120 #define HCLGEVF_S_IP_BIT		BIT(3)
121 #define HCLGEVF_V_TAG_BIT		BIT(4)
122 
123 #define HCLGEVF_STATS_TIMER_INTERVAL	(36)
124 
125 enum hclgevf_evt_cause {
126 	HCLGEVF_VECTOR0_EVENT_RST,
127 	HCLGEVF_VECTOR0_EVENT_MBX,
128 	HCLGEVF_VECTOR0_EVENT_OTHER,
129 };
130 
131 /* states of hclgevf device & tasks */
132 enum hclgevf_states {
133 	/* device states */
134 	HCLGEVF_STATE_DOWN,
135 	HCLGEVF_STATE_DISABLED,
136 	HCLGEVF_STATE_IRQ_INITED,
137 	HCLGEVF_STATE_REMOVING,
138 	HCLGEVF_STATE_NIC_REGISTERED,
139 	/* task states */
140 	HCLGEVF_STATE_SERVICE_SCHED,
141 	HCLGEVF_STATE_RST_SERVICE_SCHED,
142 	HCLGEVF_STATE_RST_HANDLING,
143 	HCLGEVF_STATE_MBX_SERVICE_SCHED,
144 	HCLGEVF_STATE_MBX_HANDLING,
145 	HCLGEVF_STATE_CMD_DISABLE,
146 };
147 
148 #define HCLGEVF_MPF_ENBALE 1
149 
150 struct hclgevf_mac {
151 	u8 media_type;
152 	u8 module_type;
153 	u8 mac_addr[ETH_ALEN];
154 	int link;
155 	u8 duplex;
156 	u32 speed;
157 	u64 supported;
158 	u64 advertising;
159 };
160 
161 struct hclgevf_hw {
162 	void __iomem *io_base;
163 	int num_vec;
164 	struct hclgevf_cmq cmq;
165 	struct hclgevf_mac mac;
166 	void *hdev; /* hchgevf device it is part of */
167 };
168 
169 /* TQP stats */
170 struct hlcgevf_tqp_stats {
171 	/* query_tqp_tx_queue_statistics ,opcode id:  0x0B03 */
172 	u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
173 	/* query_tqp_rx_queue_statistics ,opcode id:  0x0B13 */
174 	u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
175 };
176 
177 struct hclgevf_tqp {
178 	struct device *dev;	/* device for DMA mapping */
179 	struct hnae3_queue q;
180 	struct hlcgevf_tqp_stats tqp_stats;
181 	u16 index;		/* global index in a NIC controller */
182 
183 	bool alloced;
184 };
185 
186 struct hclgevf_cfg {
187 	u8 vmdq_vport_num;
188 	u8 tc_num;
189 	u16 tqp_desc_num;
190 	u16 rx_buf_len;
191 	u8 phy_addr;
192 	u8 media_type;
193 	u8 mac_addr[ETH_ALEN];
194 	u32 numa_node_map;
195 };
196 
197 struct hclgevf_rss_tuple_cfg {
198 	u8 ipv4_tcp_en;
199 	u8 ipv4_udp_en;
200 	u8 ipv4_sctp_en;
201 	u8 ipv4_fragment_en;
202 	u8 ipv6_tcp_en;
203 	u8 ipv6_udp_en;
204 	u8 ipv6_sctp_en;
205 	u8 ipv6_fragment_en;
206 };
207 
208 struct hclgevf_rss_cfg {
209 	u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
210 	u32 hash_algo;
211 	u32 rss_size;
212 	u8 hw_tc_map;
213 	u8  rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */
214 	struct hclgevf_rss_tuple_cfg rss_tuple_sets;
215 };
216 
217 struct hclgevf_misc_vector {
218 	u8 __iomem *addr;
219 	int vector_irq;
220 };
221 
222 struct hclgevf_rst_stats {
223 	u32 rst_cnt;			/* the number of reset */
224 	u32 vf_func_rst_cnt;		/* the number of VF function reset */
225 	u32 flr_rst_cnt;		/* the number of FLR */
226 	u32 vf_rst_cnt;			/* the number of VF reset */
227 	u32 rst_done_cnt;		/* the number of reset completed */
228 	u32 hw_rst_done_cnt;		/* the number of HW reset completed */
229 	u32 rst_fail_cnt;		/* the number of VF reset fail */
230 };
231 
232 struct hclgevf_dev {
233 	struct pci_dev *pdev;
234 	struct hnae3_ae_dev *ae_dev;
235 	struct hclgevf_hw hw;
236 	struct hclgevf_misc_vector misc_vector;
237 	struct hclgevf_rss_cfg rss_cfg;
238 	unsigned long state;
239 	unsigned long flr_state;
240 	unsigned long default_reset_request;
241 	unsigned long last_reset_time;
242 	enum hnae3_reset_type reset_level;
243 	unsigned long reset_pending;
244 	enum hnae3_reset_type reset_type;
245 
246 #define HCLGEVF_RESET_REQUESTED		0
247 #define HCLGEVF_RESET_PENDING		1
248 	unsigned long reset_state;	/* requested, pending */
249 	struct hclgevf_rst_stats rst_stats;
250 	u32 reset_attempts;
251 
252 	u32 fw_version;
253 	u16 num_tqps;		/* num task queue pairs of this PF */
254 
255 	u16 alloc_rss_size;	/* allocated RSS task queue */
256 	u16 rss_size_max;	/* HW defined max RSS task queue */
257 
258 	u16 num_alloc_vport;	/* num vports this driver supports */
259 	u32 numa_node_mask;
260 	u16 rx_buf_len;
261 	u16 num_tx_desc;	/* desc num of per tx queue */
262 	u16 num_rx_desc;	/* desc num of per rx queue */
263 	u8 hw_tc_map;
264 
265 	u16 num_msi;
266 	u16 num_msi_left;
267 	u16 num_msi_used;
268 	u16 num_roce_msix;	/* Num of roce vectors for this VF */
269 	u16 roce_base_msix_offset;
270 	int roce_base_vector;
271 	u32 base_msi_vector;
272 	u16 *vector_status;
273 	int *vector_irq;
274 
275 	unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
276 
277 	bool mbx_event_pending;
278 	struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
279 	struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
280 
281 	struct timer_list service_timer;
282 	struct timer_list keep_alive_timer;
283 	struct work_struct service_task;
284 	struct work_struct keep_alive_task;
285 	struct work_struct rst_service_task;
286 	struct work_struct mbx_service_task;
287 
288 	struct hclgevf_tqp *htqp;
289 
290 	struct hnae3_handle nic;
291 	struct hnae3_handle roce;
292 
293 	struct hnae3_client *nic_client;
294 	struct hnae3_client *roce_client;
295 	u32 flag;
296 	u32 stats_timer;
297 };
298 
299 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
300 {
301 	return !!hdev->reset_pending;
302 }
303 
304 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode,
305 			 const u8 *msg_data, u8 msg_len, bool need_resp,
306 			 u8 *resp_data, u16 resp_len);
307 void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
308 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
309 
310 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
311 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
312 				 u8 duplex);
313 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
314 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
315 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
316 					u8 *port_base_vlan_info, u8 data_size);
317 #endif
318