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1/* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 Intel Corporation
3 */
4
5#ifndef _OPAE_HW_API_H_
6#define _OPAE_HW_API_H_
7
8#include <stdint.h>
9#include <stdlib.h>
10#include <stdio.h>
11#include <sys/queue.h>
12
13#include "opae_osdep.h"
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14#include "opae_intel_max10.h"
15#include "opae_eth_group.h"
f67539c2 16#include "ifpga_defines.h"
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17
18#ifndef PCI_MAX_RESOURCE
19#define PCI_MAX_RESOURCE 6
20#endif
21
22struct opae_adapter;
23
24enum opae_adapter_type {
25 OPAE_FPGA_PCI,
26 OPAE_FPGA_NET,
27};
28
29/* OPAE Manager Data Structure */
30struct opae_manager_ops;
9f95a23c 31struct opae_manager_networking_ops;
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32
33/*
34 * opae_manager has pointer to its parent adapter, as it could be able to manage
35 * all components on this FPGA device (adapter). If not the case, don't set this
36 * adapter, which limit opae_manager ops to manager itself.
37 */
38struct opae_manager {
39 const char *name;
40 struct opae_adapter *adapter;
41 struct opae_manager_ops *ops;
9f95a23c 42 struct opae_manager_networking_ops *network_ops;
f67539c2 43 struct opae_sensor_list *sensor_list;
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44 void *data;
45};
46
47/* FIXME: add more management ops, e.g power/thermal and etc */
48struct opae_manager_ops {
f67539c2 49 int (*flash)(struct opae_manager *mgr, int id, const char *buffer,
11fdf7f2 50 u32 size, u64 *status);
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51 int (*get_eth_group_region_info)(struct opae_manager *mgr,
52 struct opae_eth_group_region_info *info);
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53 int (*get_sensor_value)(struct opae_manager *mgr,
54 struct opae_sensor_info *sensor,
55 unsigned int *value);
56 int (*get_board_info)(struct opae_manager *mgr,
57 struct opae_board_info **info);
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58};
59
60/* networking management ops in FME */
61struct opae_manager_networking_ops {
62 int (*read_mac_rom)(struct opae_manager *mgr, int offset, void *buf,
63 int size);
64 int (*write_mac_rom)(struct opae_manager *mgr, int offset, void *buf,
65 int size);
66 int (*get_eth_group_nums)(struct opae_manager *mgr);
67 int (*get_eth_group_info)(struct opae_manager *mgr,
68 u8 group_id, struct opae_eth_group_info *info);
69 int (*eth_group_reg_read)(struct opae_manager *mgr, u8 group_id,
70 u8 type, u8 index, u16 addr, u32 *data);
71 int (*eth_group_reg_write)(struct opae_manager *mgr, u8 group_id,
72 u8 type, u8 index, u16 addr, u32 data);
73 int (*get_retimer_info)(struct opae_manager *mgr,
74 struct opae_retimer_info *info);
75 int (*get_retimer_status)(struct opae_manager *mgr,
76 struct opae_retimer_status *status);
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77};
78
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79#define opae_mgr_for_each_sensor(mgr, sensor) \
80 TAILQ_FOREACH(sensor, mgr->sensor_list, node)
81
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82/* OPAE Manager APIs */
83struct opae_manager *
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84opae_manager_alloc(const char *name, struct opae_manager_ops *ops,
85 struct opae_manager_networking_ops *network_ops, void *data);
11fdf7f2 86#define opae_manager_free(mgr) opae_free(mgr)
f67539c2 87int opae_manager_flash(struct opae_manager *mgr, int acc_id, const char *buf,
11fdf7f2 88 u32 size, u64 *status);
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89int opae_manager_get_eth_group_region_info(struct opae_manager *mgr,
90 u8 group_id, struct opae_eth_group_region_info *info);
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91struct opae_sensor_info *opae_mgr_get_sensor_by_name(struct opae_manager *mgr,
92 const char *name);
93struct opae_sensor_info *opae_mgr_get_sensor_by_id(struct opae_manager *mgr,
94 unsigned int id);
95int opae_mgr_get_sensor_value_by_name(struct opae_manager *mgr,
96 const char *name, unsigned int *value);
97int opae_mgr_get_sensor_value_by_id(struct opae_manager *mgr,
98 unsigned int id, unsigned int *value);
99int opae_mgr_get_sensor_value(struct opae_manager *mgr,
100 struct opae_sensor_info *sensor,
101 unsigned int *value);
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102
103/* OPAE Bridge Data Structure */
104struct opae_bridge_ops;
105
106/*
107 * opae_bridge only has pointer to its downstream accelerator.
108 */
109struct opae_bridge {
110 const char *name;
111 int id;
112 struct opae_accelerator *acc;
113 struct opae_bridge_ops *ops;
114 void *data;
115};
116
117struct opae_bridge_ops {
118 int (*reset)(struct opae_bridge *br);
119};
120
121/* OPAE Bridge APIs */
122struct opae_bridge *
123opae_bridge_alloc(const char *name, struct opae_bridge_ops *ops, void *data);
124int opae_bridge_reset(struct opae_bridge *br);
125#define opae_bridge_free(br) opae_free(br)
126
127/* OPAE Acceleraotr Data Structure */
128struct opae_accelerator_ops;
129
130/*
131 * opae_accelerator has pointer to its upstream bridge(port).
132 * In some cases, if we allow same user to do PR on its own accelerator, then
133 * set the manager pointer during the enumeration. But in other cases, the PR
134 * functions only could be done via manager in another module / thread / service
135 * / application for better protection.
136 */
137struct opae_accelerator {
138 TAILQ_ENTRY(opae_accelerator) node;
139 const char *name;
140 int index;
141 struct opae_bridge *br;
142 struct opae_manager *mgr;
143 struct opae_accelerator_ops *ops;
144 void *data;
145};
146
147struct opae_acc_info {
148 unsigned int num_regions;
149 unsigned int num_irqs;
150};
151
152struct opae_acc_region_info {
153 u32 flags;
154#define ACC_REGION_READ (1 << 0)
155#define ACC_REGION_WRITE (1 << 1)
156#define ACC_REGION_MMIO (1 << 2)
157 u32 index;
158 u64 phys_addr;
159 u64 len;
160 u8 *addr;
161};
162
163struct opae_accelerator_ops {
164 int (*read)(struct opae_accelerator *acc, unsigned int region_idx,
165 u64 offset, unsigned int byte, void *data);
166 int (*write)(struct opae_accelerator *acc, unsigned int region_idx,
167 u64 offset, unsigned int byte, void *data);
168 int (*get_info)(struct opae_accelerator *acc,
169 struct opae_acc_info *info);
170 int (*get_region_info)(struct opae_accelerator *acc,
171 struct opae_acc_region_info *info);
172 int (*set_irq)(struct opae_accelerator *acc,
173 u32 start, u32 count, s32 evtfds[]);
174 int (*get_uuid)(struct opae_accelerator *acc,
175 struct uuid *uuid);
176};
177
178/* OPAE accelerator APIs */
179struct opae_accelerator *
180opae_accelerator_alloc(const char *name, struct opae_accelerator_ops *ops,
181 void *data);
182#define opae_accelerator_free(acc) opae_free(acc)
183int opae_acc_get_info(struct opae_accelerator *acc, struct opae_acc_info *info);
184int opae_acc_get_region_info(struct opae_accelerator *acc,
185 struct opae_acc_region_info *info);
186int opae_acc_set_irq(struct opae_accelerator *acc,
187 u32 start, u32 count, s32 evtfds[]);
188int opae_acc_get_uuid(struct opae_accelerator *acc,
189 struct uuid *uuid);
190
191static inline struct opae_bridge *
192opae_acc_get_br(struct opae_accelerator *acc)
193{
194 return acc ? acc->br : NULL;
195}
196
197static inline struct opae_manager *
198opae_acc_get_mgr(struct opae_accelerator *acc)
199{
200 return acc ? acc->mgr : NULL;
201}
202
203int opae_acc_reg_read(struct opae_accelerator *acc, unsigned int region_idx,
204 u64 offset, unsigned int byte, void *data);
205int opae_acc_reg_write(struct opae_accelerator *acc, unsigned int region_idx,
206 u64 offset, unsigned int byte, void *data);
207
208#define opae_acc_reg_read64(acc, region, offset, data) \
209 opae_acc_reg_read(acc, region, offset, 8, data)
210#define opae_acc_reg_write64(acc, region, offset, data) \
211 opae_acc_reg_write(acc, region, offset, 8, data)
212#define opae_acc_reg_read32(acc, region, offset, data) \
213 opae_acc_reg_read(acc, region, offset, 4, data)
214#define opae_acc_reg_write32(acc, region, offset, data) \
215 opae_acc_reg_write(acc, region, offset, 4, data)
216#define opae_acc_reg_read16(acc, region, offset, data) \
217 opae_acc_reg_read(acc, region, offset, 2, data)
218#define opae_acc_reg_write16(acc, region, offset, data) \
219 opae_acc_reg_write(acc, region, offset, 2, data)
220#define opae_acc_reg_read8(acc, region, offset, data) \
221 opae_acc_reg_read(acc, region, offset, 1, data)
222#define opae_acc_reg_write8(acc, region, offset, data) \
223 opae_acc_reg_write(acc, region, offset, 1, data)
224
225/*for data stream read/write*/
226int opae_acc_data_read(struct opae_accelerator *acc, unsigned int flags,
227 u64 offset, unsigned int byte, void *data);
228int opae_acc_data_write(struct opae_accelerator *acc, unsigned int flags,
229 u64 offset, unsigned int byte, void *data);
230
231/* OPAE Adapter Data Structure */
232struct opae_adapter_data {
233 enum opae_adapter_type type;
234};
235
236struct opae_reg_region {
237 u64 phys_addr;
238 u64 len;
239 u8 *addr;
240};
241
242struct opae_adapter_data_pci {
243 enum opae_adapter_type type;
244 u16 device_id;
245 u16 vendor_id;
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246 u16 bus; /*Device bus for PCI */
247 u16 devid; /* Device ID */
248 u16 function; /* Device function */
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249 struct opae_reg_region region[PCI_MAX_RESOURCE];
250 int vfio_dev_fd; /* VFIO device file descriptor */
251};
252
253/* FIXME: OPAE_FPGA_NET type */
254struct opae_adapter_data_net {
255 enum opae_adapter_type type;
256};
257
258struct opae_adapter_ops {
259 int (*enumerate)(struct opae_adapter *adapter);
260 void (*destroy)(struct opae_adapter *adapter);
261};
262
263TAILQ_HEAD(opae_accelerator_list, opae_accelerator);
264
265#define opae_adapter_for_each_acc(adatper, acc) \
266 TAILQ_FOREACH(acc, &adapter->acc_list, node)
267
268struct opae_adapter {
269 const char *name;
270 struct opae_manager *mgr;
271 struct opae_accelerator_list acc_list;
272 struct opae_adapter_ops *ops;
273 void *data;
274};
275
276/* OPAE Adapter APIs */
277void *opae_adapter_data_alloc(enum opae_adapter_type type);
278#define opae_adapter_data_free(data) opae_free(data)
279
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280int opae_adapter_init(struct opae_adapter *adapter,
281 const char *name, void *data);
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282#define opae_adapter_free(adapter) opae_free(adapter)
283
284int opae_adapter_enumerate(struct opae_adapter *adapter);
285void opae_adapter_destroy(struct opae_adapter *adapter);
286static inline struct opae_manager *
287opae_adapter_get_mgr(struct opae_adapter *adapter)
288{
289 return adapter ? adapter->mgr : NULL;
290}
291
292struct opae_accelerator *
293opae_adapter_get_acc(struct opae_adapter *adapter, int acc_id);
294
295static inline void opae_adapter_add_acc(struct opae_adapter *adapter,
296 struct opae_accelerator *acc)
297{
298 TAILQ_INSERT_TAIL(&adapter->acc_list, acc, node);
299}
300
301static inline void opae_adapter_remove_acc(struct opae_adapter *adapter,
302 struct opae_accelerator *acc)
303{
304 TAILQ_REMOVE(&adapter->acc_list, acc, node);
305}
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306
307/* OPAE vBNG network datastruct */
308#define OPAE_ETHER_ADDR_LEN 6
309
310struct opae_ether_addr {
311 unsigned char addr_bytes[OPAE_ETHER_ADDR_LEN];
f67539c2 312} __rte_packed;
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313
314/* OPAE vBNG network API*/
315int opae_manager_read_mac_rom(struct opae_manager *mgr, int port,
316 struct opae_ether_addr *addr);
317int opae_manager_write_mac_rom(struct opae_manager *mgr, int port,
318 struct opae_ether_addr *addr);
319int opae_manager_get_retimer_info(struct opae_manager *mgr,
320 struct opae_retimer_info *info);
321int opae_manager_get_retimer_status(struct opae_manager *mgr,
322 struct opae_retimer_status *status);
323int opae_manager_get_eth_group_nums(struct opae_manager *mgr);
324int opae_manager_get_eth_group_info(struct opae_manager *mgr,
325 u8 group_id, struct opae_eth_group_info *info);
326int opae_manager_eth_group_write_reg(struct opae_manager *mgr, u8 group_id,
327 u8 type, u8 index, u16 addr, u32 data);
328int opae_manager_eth_group_read_reg(struct opae_manager *mgr, u8 group_id,
329 u8 type, u8 index, u16 addr, u32 *data);
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330int opae_mgr_get_board_info(struct opae_manager *mgr,
331 struct opae_board_info **info);
11fdf7f2 332#endif /* _OPAE_HW_API_H_*/