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