1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2 * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
10 #include "ionic_osdep.h"
12 #include "ionic_regs.h"
14 #define IONIC_MIN_MTU RTE_ETHER_MIN_MTU
15 #define IONIC_MAX_MTU 9194
17 #define IONIC_MAX_RING_DESC 32768
18 #define IONIC_MIN_RING_DESC 16
19 #define IONIC_DEF_TXRX_DESC 4096
21 #define IONIC_LIFS_MAX 1024
23 #define IONIC_DEVCMD_TIMEOUT 5 /* devcmd_timeout */
24 #define IONIC_DEVCMD_CHECK_PERIOD_US 10 /* devcmd status chk period */
26 #define IONIC_ALIGN 4096
30 struct ionic_dev_bar {
36 static inline void ionic_struct_size_checks(void)
38 RTE_BUILD_BUG_ON(sizeof(struct ionic_doorbell) != 8);
39 RTE_BUILD_BUG_ON(sizeof(struct ionic_intr) != 32);
40 RTE_BUILD_BUG_ON(sizeof(struct ionic_intr_status) != 8);
42 RTE_BUILD_BUG_ON(sizeof(union ionic_dev_regs) != 4096);
43 RTE_BUILD_BUG_ON(sizeof(union ionic_dev_info_regs) != 2048);
44 RTE_BUILD_BUG_ON(sizeof(union ionic_dev_cmd_regs) != 2048);
46 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_stats) != 1024);
48 RTE_BUILD_BUG_ON(sizeof(struct ionic_admin_cmd) != 64);
49 RTE_BUILD_BUG_ON(sizeof(struct ionic_admin_comp) != 16);
50 RTE_BUILD_BUG_ON(sizeof(struct ionic_nop_cmd) != 64);
51 RTE_BUILD_BUG_ON(sizeof(struct ionic_nop_comp) != 16);
54 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_identify_cmd) != 64);
55 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_identify_comp) != 16);
56 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_init_cmd) != 64);
57 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_init_comp) != 16);
58 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_reset_cmd) != 64);
59 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_reset_comp) != 16);
60 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_getattr_cmd) != 64);
61 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_getattr_comp) != 16);
62 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_setattr_cmd) != 64);
63 RTE_BUILD_BUG_ON(sizeof(struct ionic_dev_setattr_comp) != 16);
66 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_identify_cmd) != 64);
67 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_identify_comp) != 16);
68 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_init_cmd) != 64);
69 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_init_comp) != 16);
70 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_reset_cmd) != 64);
71 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_reset_comp) != 16);
72 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_getattr_cmd) != 64);
73 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_getattr_comp) != 16);
74 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_setattr_cmd) != 64);
75 RTE_BUILD_BUG_ON(sizeof(struct ionic_port_setattr_comp) != 16);
78 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_init_cmd) != 64);
79 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_init_comp) != 16);
80 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_reset_cmd) != 64);
81 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_getattr_cmd) != 64);
82 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_getattr_comp) != 16);
83 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_setattr_cmd) != 64);
84 RTE_BUILD_BUG_ON(sizeof(struct ionic_lif_setattr_comp) != 16);
86 RTE_BUILD_BUG_ON(sizeof(struct ionic_q_init_cmd) != 64);
87 RTE_BUILD_BUG_ON(sizeof(struct ionic_q_init_comp) != 16);
88 RTE_BUILD_BUG_ON(sizeof(struct ionic_q_control_cmd) != 64);
90 RTE_BUILD_BUG_ON(sizeof(struct ionic_rx_mode_set_cmd) != 64);
91 RTE_BUILD_BUG_ON(sizeof(struct ionic_rx_filter_add_cmd) != 64);
92 RTE_BUILD_BUG_ON(sizeof(struct ionic_rx_filter_add_comp) != 16);
93 RTE_BUILD_BUG_ON(sizeof(struct ionic_rx_filter_del_cmd) != 64);
96 RTE_BUILD_BUG_ON(sizeof(struct ionic_rdma_reset_cmd) != 64);
97 RTE_BUILD_BUG_ON(sizeof(struct ionic_rdma_queue_cmd) != 64);
100 RTE_BUILD_BUG_ON(sizeof(struct ionic_notifyq_cmd) != 4);
101 RTE_BUILD_BUG_ON(sizeof(union ionic_notifyq_comp) != 64);
102 RTE_BUILD_BUG_ON(sizeof(struct ionic_notifyq_event) != 64);
103 RTE_BUILD_BUG_ON(sizeof(struct ionic_link_change_event) != 64);
104 RTE_BUILD_BUG_ON(sizeof(struct ionic_reset_event) != 64);
105 RTE_BUILD_BUG_ON(sizeof(struct ionic_heartbeat_event) != 64);
106 RTE_BUILD_BUG_ON(sizeof(struct ionic_log_event) != 64);
109 RTE_BUILD_BUG_ON(sizeof(struct ionic_txq_desc) != 16);
110 RTE_BUILD_BUG_ON(sizeof(struct ionic_txq_sg_desc) != 128);
111 RTE_BUILD_BUG_ON(sizeof(struct ionic_txq_comp) != 16);
113 RTE_BUILD_BUG_ON(sizeof(struct ionic_rxq_desc) != 16);
114 RTE_BUILD_BUG_ON(sizeof(struct ionic_rxq_sg_desc) != 128);
115 RTE_BUILD_BUG_ON(sizeof(struct ionic_rxq_comp) != 16);
119 union ionic_dev_info_regs __iomem *dev_info;
120 union ionic_dev_cmd_regs __iomem *dev_cmd;
122 struct ionic_doorbell __iomem *db_pages;
123 struct ionic_intr __iomem *intr_ctrl;
124 struct ionic_intr_status __iomem *intr_status;
126 struct ionic_port_info *port_info;
127 const struct rte_memzone *port_info_z;
128 rte_iova_t port_info_pa;
129 uint32_t port_info_sz;
133 struct ionic_desc_info;
135 typedef void (*desc_cb)(struct ionic_queue *q,
136 uint32_t q_desc_index,
137 uint32_t cq_desc_index,
138 void *cb_arg, void *service_cb_arg);
140 struct ionic_desc_info {
146 struct ionic_dev *idev;
147 struct ionic_lif *lif;
148 struct ionic_cq *bound_cq;
156 rte_iova_t sg_base_pa;
157 struct ionic_desc_info *info;
162 uint32_t sg_desc_size;
165 struct ionic_doorbell __iomem *db;
168 #define IONIC_INTR_INDEX_NOT_ASSIGNED (-1)
169 #define IONIC_INTR_NAME_MAX_SZ (32)
171 struct ionic_intr_info {
172 char name[IONIC_INTR_NAME_MAX_SZ];
175 struct ionic_intr __iomem *ctrl;
179 struct ionic_lif *lif;
180 struct ionic_queue *bound_q;
187 struct ionic_intr_info *bound_intr;
190 /** ionic_admin_ctx - Admin command context.
191 * @pending_work: Flag that indicates a completion.
192 * @cmd: Admin command (64B) to be copied to the queue.
193 * @comp: Admin completion (16B) copied from the queue.
195 struct ionic_admin_ctx {
197 union ionic_adminq_cmd cmd;
198 union ionic_adminq_comp comp;
202 struct ionic_adapter;
205 void ionic_intr_init(struct ionic_dev *idev, struct ionic_intr_info *intr,
206 unsigned long index);
208 const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode);
210 int ionic_dev_setup(struct ionic_adapter *adapter);
212 void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd);
213 uint8_t ionic_dev_cmd_status(struct ionic_dev *idev);
214 bool ionic_dev_cmd_done(struct ionic_dev *idev);
215 void ionic_dev_cmd_comp(struct ionic_dev *idev, void *mem);
217 void ionic_dev_cmd_identify(struct ionic_dev *idev, uint8_t ver);
218 void ionic_dev_cmd_init(struct ionic_dev *idev);
219 void ionic_dev_cmd_reset(struct ionic_dev *idev);
221 void ionic_dev_cmd_port_identify(struct ionic_dev *idev);
222 void ionic_dev_cmd_port_init(struct ionic_dev *idev);
223 void ionic_dev_cmd_port_reset(struct ionic_dev *idev);
224 void ionic_dev_cmd_port_state(struct ionic_dev *idev, uint8_t state);
225 void ionic_dev_cmd_port_speed(struct ionic_dev *idev, uint32_t speed);
226 void ionic_dev_cmd_port_mtu(struct ionic_dev *idev, uint32_t mtu);
227 void ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, uint8_t an_enable);
228 void ionic_dev_cmd_port_fec(struct ionic_dev *idev, uint8_t fec_type);
229 void ionic_dev_cmd_port_pause(struct ionic_dev *idev, uint8_t pause_type);
230 void ionic_dev_cmd_port_loopback(struct ionic_dev *idev,
231 uint8_t loopback_mode);
233 void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, uint8_t type,
235 void ionic_dev_cmd_lif_init(struct ionic_dev *idev, uint16_t lif_index,
237 void ionic_dev_cmd_lif_reset(struct ionic_dev *idev, uint16_t lif_index);
238 void ionic_dev_cmd_adminq_init(struct ionic_dev *idev, struct ionic_qcq *qcq,
239 uint16_t lif_index, uint16_t intr_index);
241 struct ionic_doorbell __iomem *ionic_db_map(struct ionic_lif *lif,
242 struct ionic_queue *q);
243 int ionic_db_page_num(struct ionic_lif *lif, int pid);
245 int ionic_cq_init(struct ionic_lif *lif, struct ionic_cq *cq,
246 struct ionic_intr_info *intr, uint32_t num_descs,
248 void ionic_cq_map(struct ionic_cq *cq, void *base, rte_iova_t base_pa);
249 void ionic_cq_bind(struct ionic_cq *cq, struct ionic_queue *q);
250 typedef bool (*ionic_cq_cb)(struct ionic_cq *cq, uint32_t cq_desc_index,
252 uint32_t ionic_cq_service(struct ionic_cq *cq, uint32_t work_to_do,
253 ionic_cq_cb cb, void *cb_arg);
255 int ionic_q_init(struct ionic_lif *lif, struct ionic_dev *idev,
256 struct ionic_queue *q, uint32_t index, uint32_t num_descs,
257 size_t desc_size, size_t sg_desc_size);
258 void ionic_q_map(struct ionic_queue *q, void *base, rte_iova_t base_pa);
259 void ionic_q_sg_map(struct ionic_queue *q, void *base, rte_iova_t base_pa);
260 void ionic_q_flush(struct ionic_queue *q);
261 void ionic_q_post(struct ionic_queue *q, bool ring_doorbell, desc_cb cb,
263 uint32_t ionic_q_space_avail(struct ionic_queue *q);
264 bool ionic_q_has_space(struct ionic_queue *q, uint32_t want);
265 void ionic_q_service(struct ionic_queue *q, uint32_t cq_desc_index,
266 uint32_t stop_index, void *service_cb_arg);
268 int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
270 #endif /* _IONIC_DEV_H_ */