1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2018 Intel Corporation
5 #ifndef _OPAE_HW_API_H_
6 #define _OPAE_HW_API_H_
11 #include <sys/queue.h>
13 #include "opae_osdep.h"
14 #include "opae_intel_max10.h"
16 #ifndef PCI_MAX_RESOURCE
17 #define PCI_MAX_RESOURCE 6
22 enum opae_adapter_type {
27 /* OPAE Manager Data Structure */
28 struct opae_manager_ops;
31 * opae_manager has pointer to its parent adapter, as it could be able to manage
32 * all components on this FPGA device (adapter). If not the case, don't set this
33 * adapter, which limit opae_manager ops to manager itself.
37 struct opae_adapter *adapter;
38 struct opae_manager_ops *ops;
42 /* FIXME: add more management ops, e.g power/thermal and etc */
43 struct opae_manager_ops {
44 int (*flash)(struct opae_manager *mgr, int id, void *buffer,
45 u32 size, u64 *status);
48 /* OPAE Manager APIs */
50 opae_manager_alloc(const char *name, struct opae_manager_ops *ops, void *data);
51 #define opae_manager_free(mgr) opae_free(mgr)
52 int opae_manager_flash(struct opae_manager *mgr, int acc_id, void *buf,
53 u32 size, u64 *status);
55 /* OPAE Bridge Data Structure */
56 struct opae_bridge_ops;
59 * opae_bridge only has pointer to its downstream accelerator.
64 struct opae_accelerator *acc;
65 struct opae_bridge_ops *ops;
69 struct opae_bridge_ops {
70 int (*reset)(struct opae_bridge *br);
73 /* OPAE Bridge APIs */
75 opae_bridge_alloc(const char *name, struct opae_bridge_ops *ops, void *data);
76 int opae_bridge_reset(struct opae_bridge *br);
77 #define opae_bridge_free(br) opae_free(br)
79 /* OPAE Acceleraotr Data Structure */
80 struct opae_accelerator_ops;
83 * opae_accelerator has pointer to its upstream bridge(port).
84 * In some cases, if we allow same user to do PR on its own accelerator, then
85 * set the manager pointer during the enumeration. But in other cases, the PR
86 * functions only could be done via manager in another module / thread / service
87 * / application for better protection.
89 struct opae_accelerator {
90 TAILQ_ENTRY(opae_accelerator) node;
93 struct opae_bridge *br;
94 struct opae_manager *mgr;
95 struct opae_accelerator_ops *ops;
99 struct opae_acc_info {
100 unsigned int num_regions;
101 unsigned int num_irqs;
104 struct opae_acc_region_info {
106 #define ACC_REGION_READ (1 << 0)
107 #define ACC_REGION_WRITE (1 << 1)
108 #define ACC_REGION_MMIO (1 << 2)
115 struct opae_accelerator_ops {
116 int (*read)(struct opae_accelerator *acc, unsigned int region_idx,
117 u64 offset, unsigned int byte, void *data);
118 int (*write)(struct opae_accelerator *acc, unsigned int region_idx,
119 u64 offset, unsigned int byte, void *data);
120 int (*get_info)(struct opae_accelerator *acc,
121 struct opae_acc_info *info);
122 int (*get_region_info)(struct opae_accelerator *acc,
123 struct opae_acc_region_info *info);
124 int (*set_irq)(struct opae_accelerator *acc,
125 u32 start, u32 count, s32 evtfds[]);
126 int (*get_uuid)(struct opae_accelerator *acc,
130 /* OPAE accelerator APIs */
131 struct opae_accelerator *
132 opae_accelerator_alloc(const char *name, struct opae_accelerator_ops *ops,
134 #define opae_accelerator_free(acc) opae_free(acc)
135 int opae_acc_get_info(struct opae_accelerator *acc, struct opae_acc_info *info);
136 int opae_acc_get_region_info(struct opae_accelerator *acc,
137 struct opae_acc_region_info *info);
138 int opae_acc_set_irq(struct opae_accelerator *acc,
139 u32 start, u32 count, s32 evtfds[]);
140 int opae_acc_get_uuid(struct opae_accelerator *acc,
143 static inline struct opae_bridge *
144 opae_acc_get_br(struct opae_accelerator *acc)
146 return acc ? acc->br : NULL;
149 static inline struct opae_manager *
150 opae_acc_get_mgr(struct opae_accelerator *acc)
152 return acc ? acc->mgr : NULL;
155 int opae_acc_reg_read(struct opae_accelerator *acc, unsigned int region_idx,
156 u64 offset, unsigned int byte, void *data);
157 int opae_acc_reg_write(struct opae_accelerator *acc, unsigned int region_idx,
158 u64 offset, unsigned int byte, void *data);
160 #define opae_acc_reg_read64(acc, region, offset, data) \
161 opae_acc_reg_read(acc, region, offset, 8, data)
162 #define opae_acc_reg_write64(acc, region, offset, data) \
163 opae_acc_reg_write(acc, region, offset, 8, data)
164 #define opae_acc_reg_read32(acc, region, offset, data) \
165 opae_acc_reg_read(acc, region, offset, 4, data)
166 #define opae_acc_reg_write32(acc, region, offset, data) \
167 opae_acc_reg_write(acc, region, offset, 4, data)
168 #define opae_acc_reg_read16(acc, region, offset, data) \
169 opae_acc_reg_read(acc, region, offset, 2, data)
170 #define opae_acc_reg_write16(acc, region, offset, data) \
171 opae_acc_reg_write(acc, region, offset, 2, data)
172 #define opae_acc_reg_read8(acc, region, offset, data) \
173 opae_acc_reg_read(acc, region, offset, 1, data)
174 #define opae_acc_reg_write8(acc, region, offset, data) \
175 opae_acc_reg_write(acc, region, offset, 1, data)
177 /*for data stream read/write*/
178 int opae_acc_data_read(struct opae_accelerator *acc, unsigned int flags,
179 u64 offset, unsigned int byte, void *data);
180 int opae_acc_data_write(struct opae_accelerator *acc, unsigned int flags,
181 u64 offset, unsigned int byte, void *data);
183 /* OPAE Adapter Data Structure */
184 struct opae_adapter_data {
185 enum opae_adapter_type type;
188 struct opae_reg_region {
194 struct opae_adapter_data_pci {
195 enum opae_adapter_type type;
198 struct opae_reg_region region[PCI_MAX_RESOURCE];
199 int vfio_dev_fd; /* VFIO device file descriptor */
202 /* FIXME: OPAE_FPGA_NET type */
203 struct opae_adapter_data_net {
204 enum opae_adapter_type type;
207 struct opae_adapter_ops {
208 int (*enumerate)(struct opae_adapter *adapter);
209 void (*destroy)(struct opae_adapter *adapter);
212 TAILQ_HEAD(opae_accelerator_list, opae_accelerator);
214 #define opae_adapter_for_each_acc(adatper, acc) \
215 TAILQ_FOREACH(acc, &adapter->acc_list, node)
217 struct opae_adapter {
219 struct opae_manager *mgr;
220 struct opae_accelerator_list acc_list;
221 struct opae_adapter_ops *ops;
225 /* OPAE Adapter APIs */
226 void *opae_adapter_data_alloc(enum opae_adapter_type type);
227 #define opae_adapter_data_free(data) opae_free(data)
229 int opae_adapter_init(struct opae_adapter *adapter,
230 const char *name, void *data);
231 #define opae_adapter_free(adapter) opae_free(adapter)
233 int opae_adapter_enumerate(struct opae_adapter *adapter);
234 void opae_adapter_destroy(struct opae_adapter *adapter);
235 static inline struct opae_manager *
236 opae_adapter_get_mgr(struct opae_adapter *adapter)
238 return adapter ? adapter->mgr : NULL;
241 struct opae_accelerator *
242 opae_adapter_get_acc(struct opae_adapter *adapter, int acc_id);
244 static inline void opae_adapter_add_acc(struct opae_adapter *adapter,
245 struct opae_accelerator *acc)
247 TAILQ_INSERT_TAIL(&adapter->acc_list, acc, node);
250 static inline void opae_adapter_remove_acc(struct opae_adapter *adapter,
251 struct opae_accelerator *acc)
253 TAILQ_REMOVE(&adapter->acc_list, acc, node);
255 #endif /* _OPAE_HW_API_H_*/