net: hns3: remove unnecessary work in hclgevf_main
[platform/kernel/linux-rpi.git] / drivers / net / ethernet / hisilicon / hns3 / hns3vf / hclgevf_main.h
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 /* Vector0 interrupt CMDQ event status register(RO) */
91 #define HCLGEVF_VECTOR0_CMDQ_STAT_REG   0x27104
92 /* CMDQ register bits for RX event(=MBX event) */
93 #define HCLGEVF_VECTOR0_RX_CMDQ_INT_B   1
94 /* RST register bits for RESET event */
95 #define HCLGEVF_VECTOR0_RST_INT_B       2
96
97 #define HCLGEVF_TQP_RESET_TRY_TIMES     10
98 /* Reset related Registers */
99 #define HCLGEVF_RST_ING                 0x20C00
100 #define HCLGEVF_FUN_RST_ING_BIT         BIT(0)
101 #define HCLGEVF_GLOBAL_RST_ING_BIT      BIT(5)
102 #define HCLGEVF_CORE_RST_ING_BIT        BIT(6)
103 #define HCLGEVF_IMP_RST_ING_BIT         BIT(7)
104 #define HCLGEVF_RST_ING_BITS \
105         (HCLGEVF_FUN_RST_ING_BIT | HCLGEVF_GLOBAL_RST_ING_BIT | \
106          HCLGEVF_CORE_RST_ING_BIT | HCLGEVF_IMP_RST_ING_BIT)
107
108 #define HCLGEVF_VF_RST_ING              0x07008
109 #define HCLGEVF_VF_RST_ING_BIT          BIT(16)
110
111 #define HCLGEVF_RSS_IND_TBL_SIZE                512
112 #define HCLGEVF_RSS_SET_BITMAP_MSK      0xffff
113 #define HCLGEVF_RSS_KEY_SIZE            40
114 #define HCLGEVF_RSS_HASH_ALGO_TOEPLITZ  0
115 #define HCLGEVF_RSS_HASH_ALGO_SIMPLE    1
116 #define HCLGEVF_RSS_HASH_ALGO_SYMMETRIC 2
117 #define HCLGEVF_RSS_HASH_ALGO_MASK      0xf
118 #define HCLGEVF_RSS_CFG_TBL_NUM \
119         (HCLGEVF_RSS_IND_TBL_SIZE / HCLGEVF_RSS_CFG_TBL_SIZE)
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
128 #define HCLGEVF_STATS_TIMER_INTERVAL    36U
129
130 enum hclgevf_evt_cause {
131         HCLGEVF_VECTOR0_EVENT_RST,
132         HCLGEVF_VECTOR0_EVENT_MBX,
133         HCLGEVF_VECTOR0_EVENT_OTHER,
134 };
135
136 /* states of hclgevf device & tasks */
137 enum hclgevf_states {
138         /* device states */
139         HCLGEVF_STATE_DOWN,
140         HCLGEVF_STATE_DISABLED,
141         HCLGEVF_STATE_IRQ_INITED,
142         HCLGEVF_STATE_REMOVING,
143         HCLGEVF_STATE_NIC_REGISTERED,
144         /* task states */
145         HCLGEVF_STATE_RST_SERVICE_SCHED,
146         HCLGEVF_STATE_RST_HANDLING,
147         HCLGEVF_STATE_MBX_SERVICE_SCHED,
148         HCLGEVF_STATE_MBX_HANDLING,
149         HCLGEVF_STATE_CMD_DISABLE,
150         HCLGEVF_STATE_LINK_UPDATING,
151 };
152
153 struct hclgevf_mac {
154         u8 media_type;
155         u8 module_type;
156         u8 mac_addr[ETH_ALEN];
157         int link;
158         u8 duplex;
159         u32 speed;
160         u64 supported;
161         u64 advertising;
162 };
163
164 struct hclgevf_hw {
165         void __iomem *io_base;
166         int num_vec;
167         struct hclgevf_cmq cmq;
168         struct hclgevf_mac mac;
169         void *hdev; /* hchgevf device it is part of */
170 };
171
172 /* TQP stats */
173 struct hlcgevf_tqp_stats {
174         /* query_tqp_tx_queue_statistics ,opcode id:  0x0B03 */
175         u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
176         /* query_tqp_rx_queue_statistics ,opcode id:  0x0B13 */
177         u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
178 };
179
180 struct hclgevf_tqp {
181         struct device *dev;     /* device for DMA mapping */
182         struct hnae3_queue q;
183         struct hlcgevf_tqp_stats tqp_stats;
184         u16 index;              /* global index in a NIC controller */
185
186         bool alloced;
187 };
188
189 struct hclgevf_cfg {
190         u8 vmdq_vport_num;
191         u8 tc_num;
192         u16 tqp_desc_num;
193         u16 rx_buf_len;
194         u8 phy_addr;
195         u8 media_type;
196         u8 mac_addr[ETH_ALEN];
197         u32 numa_node_map;
198 };
199
200 struct hclgevf_rss_tuple_cfg {
201         u8 ipv4_tcp_en;
202         u8 ipv4_udp_en;
203         u8 ipv4_sctp_en;
204         u8 ipv4_fragment_en;
205         u8 ipv6_tcp_en;
206         u8 ipv6_udp_en;
207         u8 ipv6_sctp_en;
208         u8 ipv6_fragment_en;
209 };
210
211 struct hclgevf_rss_cfg {
212         u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
213         u32 hash_algo;
214         u32 rss_size;
215         u8 hw_tc_map;
216         u8  rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */
217         struct hclgevf_rss_tuple_cfg rss_tuple_sets;
218 };
219
220 struct hclgevf_misc_vector {
221         u8 __iomem *addr;
222         int vector_irq;
223 };
224
225 struct hclgevf_rst_stats {
226         u32 rst_cnt;                    /* the number of reset */
227         u32 vf_func_rst_cnt;            /* the number of VF function reset */
228         u32 flr_rst_cnt;                /* the number of FLR */
229         u32 vf_rst_cnt;                 /* the number of VF reset */
230         u32 rst_done_cnt;               /* the number of reset completed */
231         u32 hw_rst_done_cnt;            /* the number of HW reset completed */
232         u32 rst_fail_cnt;               /* the number of VF reset fail */
233 };
234
235 struct hclgevf_dev {
236         struct pci_dev *pdev;
237         struct hnae3_ae_dev *ae_dev;
238         struct hclgevf_hw hw;
239         struct hclgevf_misc_vector misc_vector;
240         struct hclgevf_rss_cfg rss_cfg;
241         unsigned long state;
242         unsigned long flr_state;
243         unsigned long default_reset_request;
244         unsigned long last_reset_time;
245         enum hnae3_reset_type reset_level;
246         unsigned long reset_pending;
247         enum hnae3_reset_type reset_type;
248
249 #define HCLGEVF_RESET_REQUESTED         0
250 #define HCLGEVF_RESET_PENDING           1
251         unsigned long reset_state;      /* requested, pending */
252         struct hclgevf_rst_stats rst_stats;
253         u32 reset_attempts;
254
255         u32 fw_version;
256         u16 num_tqps;           /* num task queue pairs of this PF */
257
258         u16 alloc_rss_size;     /* allocated RSS task queue */
259         u16 rss_size_max;       /* HW defined max RSS task queue */
260
261         u16 num_alloc_vport;    /* num vports this driver supports */
262         u32 numa_node_mask;
263         u16 rx_buf_len;
264         u16 num_tx_desc;        /* desc num of per tx queue */
265         u16 num_rx_desc;        /* desc num of per rx queue */
266         u8 hw_tc_map;
267         u8 has_pf_mac;
268
269         u16 num_msi;
270         u16 num_msi_left;
271         u16 num_msi_used;
272         u16 num_nic_msix;       /* Num of nic vectors for this VF */
273         u16 num_roce_msix;      /* Num of roce vectors for this VF */
274         u16 roce_base_msix_offset;
275         int roce_base_vector;
276         u32 base_msi_vector;
277         u16 *vector_status;
278         int *vector_irq;
279
280         unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
281
282         bool mbx_event_pending;
283         struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
284         struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
285
286         struct delayed_work 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         unsigned long serv_processed_cnt;
297         unsigned long last_serv_processed;
298 };
299
300 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
301 {
302         return !!hdev->reset_pending;
303 }
304
305 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev, u16 code, u16 subcode,
306                          const u8 *msg_data, u8 msg_len, bool need_resp,
307                          u8 *resp_data, u16 resp_len);
308 void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
309 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
310
311 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
312 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
313                                  u8 duplex);
314 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
315 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
316 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
317                                         u8 *port_base_vlan_info, u8 data_size);
318 #endif