Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[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 "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 #define HCLGEVF_RSS_INPUT_TUPLE_SCTP_NO_PORT    \
126         (HCLGEVF_D_IP_BIT | HCLGEVF_S_IP_BIT | HCLGEVF_V_TAG_BIT)
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         HCLGEVF_STATE_ROCE_REGISTERED,
145         /* task states */
146         HCLGEVF_STATE_RST_SERVICE_SCHED,
147         HCLGEVF_STATE_RST_HANDLING,
148         HCLGEVF_STATE_MBX_SERVICE_SCHED,
149         HCLGEVF_STATE_MBX_HANDLING,
150         HCLGEVF_STATE_CMD_DISABLE,
151         HCLGEVF_STATE_LINK_UPDATING,
152         HCLGEVF_STATE_PROMISC_CHANGED,
153         HCLGEVF_STATE_RST_FAIL,
154 };
155
156 struct hclgevf_mac {
157         u8 media_type;
158         u8 module_type;
159         u8 mac_addr[ETH_ALEN];
160         int link;
161         u8 duplex;
162         u32 speed;
163         u64 supported;
164         u64 advertising;
165 };
166
167 struct hclgevf_hw {
168         void __iomem *io_base;
169         void __iomem *mem_base;
170         int num_vec;
171         struct hclgevf_cmq cmq;
172         struct hclgevf_mac mac;
173         void *hdev; /* hchgevf device it is part of */
174 };
175
176 /* TQP stats */
177 struct hlcgevf_tqp_stats {
178         /* query_tqp_tx_queue_statistics ,opcode id:  0x0B03 */
179         u64 rcb_tx_ring_pktnum_rcd; /* 32bit */
180         /* query_tqp_rx_queue_statistics ,opcode id:  0x0B13 */
181         u64 rcb_rx_ring_pktnum_rcd; /* 32bit */
182 };
183
184 struct hclgevf_tqp {
185         struct device *dev;     /* device for DMA mapping */
186         struct hnae3_queue q;
187         struct hlcgevf_tqp_stats tqp_stats;
188         u16 index;              /* global index in a NIC controller */
189
190         bool alloced;
191 };
192
193 struct hclgevf_cfg {
194         u8 vmdq_vport_num;
195         u8 tc_num;
196         u16 tqp_desc_num;
197         u16 rx_buf_len;
198         u8 phy_addr;
199         u8 media_type;
200         u8 mac_addr[ETH_ALEN];
201         u32 numa_node_map;
202 };
203
204 struct hclgevf_rss_tuple_cfg {
205         u8 ipv4_tcp_en;
206         u8 ipv4_udp_en;
207         u8 ipv4_sctp_en;
208         u8 ipv4_fragment_en;
209         u8 ipv6_tcp_en;
210         u8 ipv6_udp_en;
211         u8 ipv6_sctp_en;
212         u8 ipv6_fragment_en;
213 };
214
215 struct hclgevf_rss_cfg {
216         u8  rss_hash_key[HCLGEVF_RSS_KEY_SIZE]; /* user configured hash keys */
217         u32 hash_algo;
218         u32 rss_size;
219         u8 hw_tc_map;
220         u8  rss_indirection_tbl[HCLGEVF_RSS_IND_TBL_SIZE]; /* shadow table */
221         struct hclgevf_rss_tuple_cfg rss_tuple_sets;
222 };
223
224 struct hclgevf_misc_vector {
225         u8 __iomem *addr;
226         int vector_irq;
227         char name[HNAE3_INT_NAME_LEN];
228 };
229
230 struct hclgevf_rst_stats {
231         u32 rst_cnt;                    /* the number of reset */
232         u32 vf_func_rst_cnt;            /* the number of VF function reset */
233         u32 flr_rst_cnt;                /* the number of FLR */
234         u32 vf_rst_cnt;                 /* the number of VF reset */
235         u32 rst_done_cnt;               /* the number of reset completed */
236         u32 hw_rst_done_cnt;            /* the number of HW reset completed */
237         u32 rst_fail_cnt;               /* the number of VF reset fail */
238 };
239
240 enum HCLGEVF_MAC_ADDR_TYPE {
241         HCLGEVF_MAC_ADDR_UC,
242         HCLGEVF_MAC_ADDR_MC
243 };
244
245 enum HCLGEVF_MAC_NODE_STATE {
246         HCLGEVF_MAC_TO_ADD,
247         HCLGEVF_MAC_TO_DEL,
248         HCLGEVF_MAC_ACTIVE
249 };
250
251 struct hclgevf_mac_addr_node {
252         struct list_head node;
253         enum HCLGEVF_MAC_NODE_STATE state;
254         u8 mac_addr[ETH_ALEN];
255 };
256
257 struct hclgevf_mac_table_cfg {
258         spinlock_t mac_list_lock; /* protect mac address need to add/detele */
259         struct list_head uc_mac_list;
260         struct list_head mc_mac_list;
261 };
262
263 struct hclgevf_dev {
264         struct pci_dev *pdev;
265         struct hnae3_ae_dev *ae_dev;
266         struct hclgevf_hw hw;
267         struct hclgevf_misc_vector misc_vector;
268         struct hclgevf_rss_cfg rss_cfg;
269         unsigned long state;
270         unsigned long flr_state;
271         unsigned long default_reset_request;
272         unsigned long last_reset_time;
273         enum hnae3_reset_type reset_level;
274         unsigned long reset_pending;
275         enum hnae3_reset_type reset_type;
276
277 #define HCLGEVF_RESET_REQUESTED         0
278 #define HCLGEVF_RESET_PENDING           1
279         unsigned long reset_state;      /* requested, pending */
280         struct hclgevf_rst_stats rst_stats;
281         u32 reset_attempts;
282         struct semaphore reset_sem;     /* protect reset process */
283
284         u32 fw_version;
285         u16 num_tqps;           /* num task queue pairs of this VF */
286
287         u16 alloc_rss_size;     /* allocated RSS task queue */
288         u16 rss_size_max;       /* HW defined max RSS task queue */
289
290         u16 num_alloc_vport;    /* num vports this driver supports */
291         u32 numa_node_mask;
292         u16 rx_buf_len;
293         u16 num_tx_desc;        /* desc num of per tx queue */
294         u16 num_rx_desc;        /* desc num of per rx queue */
295         u8 hw_tc_map;
296         u8 has_pf_mac;
297
298         u16 num_msi;
299         u16 num_msi_left;
300         u16 num_msi_used;
301         u16 num_nic_msix;       /* Num of nic vectors for this VF */
302         u16 num_roce_msix;      /* Num of roce vectors for this VF */
303         u16 roce_base_msix_offset;
304         int roce_base_vector;
305         u32 base_msi_vector;
306         u16 *vector_status;
307         int *vector_irq;
308
309         unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
310
311         struct hclgevf_mac_table_cfg mac_table;
312
313         bool mbx_event_pending;
314         struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
315         struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
316
317         struct delayed_work service_task;
318
319         struct hclgevf_tqp *htqp;
320
321         struct hnae3_handle nic;
322         struct hnae3_handle roce;
323
324         struct hnae3_client *nic_client;
325         struct hnae3_client *roce_client;
326         u32 flag;
327         unsigned long serv_processed_cnt;
328         unsigned long last_serv_processed;
329 };
330
331 static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
332 {
333         return !!hdev->reset_pending;
334 }
335
336 int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
337                          struct hclge_vf_to_pf_msg *send_msg, bool need_resp,
338                          u8 *resp_data, u16 resp_len);
339 void hclgevf_mbx_handler(struct hclgevf_dev *hdev);
340 void hclgevf_mbx_async_handler(struct hclgevf_dev *hdev);
341
342 void hclgevf_update_link_status(struct hclgevf_dev *hdev, int link_state);
343 void hclgevf_update_speed_duplex(struct hclgevf_dev *hdev, u32 speed,
344                                  u8 duplex);
345 void hclgevf_reset_task_schedule(struct hclgevf_dev *hdev);
346 void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev);
347 void hclgevf_update_port_base_vlan_info(struct hclgevf_dev *hdev, u16 state,
348                                         u8 *port_base_vlan_info, u8 data_size);
349 #endif