Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
[linux-2.6-microblaze.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 <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_CMDQ_TX_ADDR_L_REG              0x27000
37 #define HCLGEVF_CMDQ_TX_ADDR_H_REG              0x27004
38 #define HCLGEVF_CMDQ_TX_DEPTH_REG               0x27008
39 #define HCLGEVF_CMDQ_TX_TAIL_REG                0x27010
40 #define HCLGEVF_CMDQ_TX_HEAD_REG                0x27014
41 #define HCLGEVF_CMDQ_RX_ADDR_L_REG              0x27018
42 #define HCLGEVF_CMDQ_RX_ADDR_H_REG              0x2701C
43 #define HCLGEVF_CMDQ_RX_DEPTH_REG               0x27020
44 #define HCLGEVF_CMDQ_RX_TAIL_REG                0x27024
45 #define HCLGEVF_CMDQ_RX_HEAD_REG                0x27028
46 #define HCLGEVF_CMDQ_INTR_EN_REG                0x27108
47 #define HCLGEVF_CMDQ_INTR_GEN_REG               0x2710C
48
49 /* bar registers for common func */
50 #define HCLGEVF_GRO_EN_REG                      0x28000
51 #define HCLGEVF_RXD_ADV_LAYOUT_EN_REG           0x28008
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_STATE_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
119 #define HCLGEVF_RSS_INPUT_TUPLE_OTHER   GENMASK(3, 0)
120 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP    GENMASK(4, 0)
121 #define HCLGEVF_D_PORT_BIT              BIT(0)
122 #define HCLGEVF_S_PORT_BIT              BIT(1)
123 #define HCLGEVF_D_IP_BIT                BIT(2)
124 #define HCLGEVF_S_IP_BIT                BIT(3)
125 #define HCLGEVF_V_TAG_BIT               BIT(4)
126 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT    \
127         (HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
128
129 #define HCLGEVF_MAC_MAX_FRAME           9728
130
131 #define HCLGEVF_STATS_TIMER_INTERVAL    36U
132
133 enum hclgevf_evt_cause {
134         HCLGEVF_VECTOR0_EVENT_RST,
135         HCLGEVF_VECTOR0_EVENT_MBX,
136         HCLGEVF_VECTOR0_EVENT_OTHER,
137 };
138
139 /* states of hclgevf device & tasks */
140 enum hclgevf_states {
141         /* device states */
142         HCLGEVF_STATE_DOWN,
143         HCLGEVF_STATE_DISABLED,
144         HCLGEVF_STATE_IRQ_INITED,
145         HCLGEVF_STATE_REMOVING,
146         HCLGEVF_STATE_NIC_REGISTERED,
147         HCLGEVF_STATE_ROCE_REGISTERED,
148         /* task states */
149         HCLGEVF_STATE_RST_SERVICE_SCHED,
150         HCLGEVF_STATE_RST_HANDLING,
151         HCLGEVF_STATE_MBX_SERVICE_SCHED,
152         HCLGEVF_STATE_MBX_HANDLING,
153         HCLGEVF_STATE_CMD_DISABLE,
154         HCLGEVF_STATE_LINK_UPDATING,
155         HCLGEVF_STATE_PROMISC_CHANGED,
156         HCLGEVF_STATE_RST_FAIL,
157         HCLGEVF_STATE_PF_PUSH_LINK_STATUS,
158 };
159
160 struct hclgevf_mac {
161         u8 media_type;
162         u8 module_type;
163         u8 mac_addr[ETH_ALEN];
164         int link;
165         u8 duplex;
166         u32 speed;
167         u64 supported;
168         u64 advertising;
169 };
170
171 struct hclgevf_hw {
172         void __iomem *io_base;
173         void __iomem *mem_base;
174         int num_vec;
175         struct hclgevf_cmq cmq;
176         struct hclgevf_mac mac;
177         void *hdev; /* hchgevf device it is part of */
178 };
179
180 /* TQP stats */
181 struct hlcgevf_tqp_stats {
182         /* query_tqp_tx_queue_statistics, opcode id: 0x0B03 */
183         u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
184         /* query_tqp_rx_queue_statistics, opcode id: 0x0B13 */
185         u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
186 };
187
188 struct hclgevf_tqp {
189         struct device *dev;     /* device for DMA mapping */
190         struct hnae3_queue q;
191         struct hlcgevf_tqp_stats tqp_stats;
192         u16 index;              /* global index in a NIC controller */
193
194         bool alloced;
195 };
196
197 struct hclgevf_cfg {
198         u8 tc_num;
199         u16 tqp_desc_num;
200         u16 rx_buf_len;
201         u8 phy_addr;
202         u8 media_type;
203         u8 mac_addr[ETH_ALEN];
204         u32 numa_node_map;
205 };
206
207 struct hclgevf_rss_tuple_cfg {
208         u8 ipv4_tcp_en;
209         u8 ipv4_udp_en;
210         u8 ipv4_sctp_en;
211         u8 ipv4_fragment_en;
212         u8 ipv6_tcp_en;
213         u8 ipv6_udp_en;
214         u8 ipv6_sctp_en;
215         u8 ipv6_fragment_en;
216 };
217
218 struct hclgevf_rss_cfg {
219         u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
220         u32 hash_algo;
221         u32 rss_size;
222         u8 hw_tc_map;
223         /* shadow table */
224         u8 *rss_indirection_tbl;
225         struct hclgevf_rss_tuple_cfg rss_tuple_sets;
226 };
227
228 struct hclgevf_misc_vector {
229         u8 __iomem *addr;
230         int vector_irq;
231         char name[HNAE3_INT_NAME_LEN];
232 };
233
234 struct hclgevf_rst_stats {
235         u32 rst_cnt;                    /* the number of reset */
236         u32 vf_func_rst_cnt;            /* the number of VF function reset */
237         u32 flr_rst_cnt;                /* the number of FLR */
238         u32 vf_rst_cnt;                 /* the number of VF reset */
239         u32 rst_done_cnt;               /* the number of reset completed */
240         u32 hw_rst_done_cnt;            /* the number of HW reset completed */
241         u32 rst_fail_cnt;               /* the number of VF reset fail */
242 };
243
244 enum HCLGEVF_MAC_ADDR_TYPE {
245         HCLGEVF_MAC_ADDR_UC,
246         HCLGEVF_MAC_ADDR_MC
247 };
248
249 enum HCLGEVF_MAC_NODE_STATE {
250         HCLGEVF_MAC_TO_ADD,
251         HCLGEVF_MAC_TO_DEL,
252         HCLGEVF_MAC_ACTIVE
253 };
254
255 struct hclgevf_mac_addr_node {
256         struct list_head node;
257         enum HCLGEVF_MAC_NODE_STATE state;
258         u8 mac_addr[ETH_ALEN];
259 };
260
261 struct hclgevf_mac_table_cfg {
262         spinlock_t mac_list_lock; /* protect mac address need to add/detele */
263         struct list_head uc_mac_list;
264         struct list_head mc_mac_list;
265 };
266
267 struct hclgevf_dev {
268         struct pci_dev *pdev;
269         struct hnae3_ae_dev *ae_dev;
270         struct hclgevf_hw hw;
271         struct hclgevf_misc_vector misc_vector;
272         struct hclgevf_rss_cfg rss_cfg;
273         unsigned long state;
274         unsigned long flr_state;
275         unsigned long default_reset_request;
276         unsigned long last_reset_time;
277         enum hnae3_reset_type reset_level;
278         unsigned long reset_pending;
279         enum hnae3_reset_type reset_type;
280
281 #define HCLGEVF_RESET_REQUESTED         0
282 #define HCLGEVF_RESET_PENDING           1
283         unsigned long reset_state;      /* requested, pending */
284         struct hclgevf_rst_stats rst_stats;
285         u32 reset_attempts;
286         struct semaphore reset_sem;     /* protect reset process */
287
288         u32 fw_version;
289         u16 mbx_api_version;
290         u16 num_tqps;           /* num task queue pairs of this VF */
291
292         u16 alloc_rss_size;     /* allocated RSS task queue */
293         u16 rss_size_max;       /* HW defined max RSS task queue */
294
295         u16 num_alloc_vport;    /* num vports this driver supports */
296         u32 numa_node_mask;
297         u16 rx_buf_len;
298         u16 num_tx_desc;        /* desc num of per tx queue */
299         u16 num_rx_desc;        /* desc num of per rx queue */
300         u8 hw_tc_map;
301         u8 has_pf_mac;
302
303         u16 num_msi;
304         u16 num_msi_left;
305         u16 num_msi_used;
306         u16 num_nic_msix;       /* Num of nic vectors for this VF */
307         u16 num_roce_msix;      /* Num of roce vectors for this VF */
308         u16 roce_base_msix_offset;
309         int roce_base_vector;
310         u32 base_msi_vector;
311         u16 *vector_status;
312         int *vector_irq;
313
314         bool gro_en;
315
316         unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
317
318         struct hclgevf_mac_table_cfg mac_table;
319
320         bool mbx_event_pending;
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