drivers/event/octeontx2/otx2_evdev.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2019 Marvell International Ltd.
   3  */
   4
   5 #ifndef __OTX2_EVDEV_H__
   6 #define __OTX2_EVDEV_H__
   7
   8 #include <rte_eventdev.h>
   9 #include <rte_eventdev_pmd.h>
  10 #include <rte_event_eth_rx_adapter.h>
  11 #include <rte_event_eth_tx_adapter.h>
  12
  13 #include "otx2_common.h"
  14 #include "otx2_dev.h"
  15 #include "otx2_ethdev.h"
  16 #include "otx2_mempool.h"
  17
  18 #define EVENTDEV_NAME_OCTEONTX2_PMD otx2_eventdev
  19
  20 #define sso_func_trace otx2_sso_dbg
  21
  22 #define OTX2_SSO_MAX_VHGRP                  RTE_EVENT_MAX_QUEUES_PER_DEV
  23 #define OTX2_SSO_MAX_VHWS                   (UINT8_MAX)
  24 #define OTX2_SSO_FC_NAME                    "otx2_evdev_xaq_fc"
  25 #define OTX2_SSO_SQB_LIMIT                  (0x180)
  26 #define OTX2_SSO_XAQ_SLACK                  (8)
  27 #define OTX2_SSO_XAQ_CACHE_CNT              (0x7)
  28 #define OTX2_SSO_WQE_SG_PTR                 (9)
  29
  30 /* SSO LF register offsets (BAR2) */
  31 #define SSO_LF_GGRP_OP_ADD_WORK0            (0x0ull)
  32 #define SSO_LF_GGRP_OP_ADD_WORK1            (0x8ull)
  33
  34 #define SSO_LF_GGRP_QCTL                    (0x20ull)
  35 #define SSO_LF_GGRP_EXE_DIS                 (0x80ull)
  36 #define SSO_LF_GGRP_INT                     (0x100ull)
  37 #define SSO_LF_GGRP_INT_W1S                 (0x108ull)
  38 #define SSO_LF_GGRP_INT_ENA_W1S             (0x110ull)
  39 #define SSO_LF_GGRP_INT_ENA_W1C             (0x118ull)
  40 #define SSO_LF_GGRP_INT_THR                 (0x140ull)
  41 #define SSO_LF_GGRP_INT_CNT                 (0x180ull)
  42 #define SSO_LF_GGRP_XAQ_CNT                 (0x1b0ull)
  43 #define SSO_LF_GGRP_AQ_CNT                  (0x1c0ull)
  44 #define SSO_LF_GGRP_AQ_THR                  (0x1e0ull)
  45 #define SSO_LF_GGRP_MISC_CNT                (0x200ull)
  46
  47 /* SSOW LF register offsets (BAR2) */
  48 #define SSOW_LF_GWS_LINKS                   (0x10ull)
  49 #define SSOW_LF_GWS_PENDWQP                 (0x40ull)
  50 #define SSOW_LF_GWS_PENDSTATE               (0x50ull)
  51 #define SSOW_LF_GWS_NW_TIM                  (0x70ull)
  52 #define SSOW_LF_GWS_GRPMSK_CHG              (0x80ull)
  53 #define SSOW_LF_GWS_INT                     (0x100ull)
  54 #define SSOW_LF_GWS_INT_W1S                 (0x108ull)
  55 #define SSOW_LF_GWS_INT_ENA_W1S             (0x110ull)
  56 #define SSOW_LF_GWS_INT_ENA_W1C             (0x118ull)
  57 #define SSOW_LF_GWS_TAG                     (0x200ull)
  58 #define SSOW_LF_GWS_WQP                     (0x210ull)
  59 #define SSOW_LF_GWS_SWTP                    (0x220ull)
  60 #define SSOW_LF_GWS_PENDTAG                 (0x230ull)
  61 #define SSOW_LF_GWS_OP_ALLOC_WE             (0x400ull)
  62 #define SSOW_LF_GWS_OP_GET_WORK             (0x600ull)
  63 #define SSOW_LF_GWS_OP_SWTAG_FLUSH          (0x800ull)
  64 #define SSOW_LF_GWS_OP_SWTAG_UNTAG          (0x810ull)
  65 #define SSOW_LF_GWS_OP_SWTP_CLR             (0x820ull)
  66 #define SSOW_LF_GWS_OP_UPD_WQP_GRP0         (0x830ull)
  67 #define SSOW_LF_GWS_OP_UPD_WQP_GRP1         (0x838ull)
  68 #define SSOW_LF_GWS_OP_DESCHED              (0x880ull)
  69 #define SSOW_LF_GWS_OP_DESCHED_NOSCH        (0x8c0ull)
  70 #define SSOW_LF_GWS_OP_SWTAG_DESCHED        (0x980ull)
  71 #define SSOW_LF_GWS_OP_SWTAG_NOSCHED        (0x9c0ull)
  72 #define SSOW_LF_GWS_OP_CLR_NSCHED0          (0xa00ull)
  73 #define SSOW_LF_GWS_OP_CLR_NSCHED1          (0xa08ull)
  74 #define SSOW_LF_GWS_OP_SWTP_SET             (0xc00ull)
  75 #define SSOW_LF_GWS_OP_SWTAG_NORM           (0xc10ull)
  76 #define SSOW_LF_GWS_OP_SWTAG_FULL0          (0xc20ull)
  77 #define SSOW_LF_GWS_OP_SWTAG_FULL1          (0xc28ull)
  78 #define SSOW_LF_GWS_OP_GWC_INVAL            (0xe00ull)
  79
  80 #define OTX2_SSOW_GET_BASE_ADDR(_GW)        ((_GW) - SSOW_LF_GWS_OP_GET_WORK)
  81
  82 #define NSEC2USEC(__ns)                 ((__ns) / 1E3)
  83 #define USEC2NSEC(__us)                 ((__us) * 1E3)
  84 #define NSEC2TICK(__ns, __freq)         (((__ns) * (__freq)) / 1E9)
  85 #define TICK2NSEC(__tck, __freq)        (((__tck) * 1E9) / (__freq))
  86
  87 enum otx2_sso_lf_type {
  88         SSO_LF_GGRP,
  89         SSO_LF_GWS
  90 };
  91
  92 union otx2_sso_event {
  93         uint64_t get_work0;
  94         struct {
  95                 uint32_t flow_id:20;
  96                 uint32_t sub_event_type:8;
  97                 uint32_t event_type:4;
  98                 uint8_t op:2;
  99                 uint8_t rsvd:4;
 100                 uint8_t sched_type:2;
 101                 uint8_t queue_id;
 102                 uint8_t priority;
 103                 uint8_t impl_opaque;
 104         };
 105 } __rte_aligned(64);
 106
 107 enum {
 108         SSO_SYNC_ORDERED,
 109         SSO_SYNC_ATOMIC,
 110         SSO_SYNC_UNTAGGED,
 111         SSO_SYNC_EMPTY
 112 };
 113
 114 struct otx2_sso_qos {
 115         uint8_t queue;
 116         uint8_t xaq_prcnt;
 117         uint8_t taq_prcnt;
 118         uint8_t iaq_prcnt;
 119 };
 120
 121 struct otx2_sso_evdev {
 122         OTX2_DEV; /* Base class */
 123         uint8_t max_event_queues;
 124         uint8_t max_event_ports;
 125         uint8_t is_timeout_deq;
 126         uint8_t nb_event_queues;
 127         uint8_t nb_event_ports;
 128         uint8_t configured;
 129         uint32_t deq_tmo_ns;
 130         uint32_t min_dequeue_timeout_ns;
 131         uint32_t max_dequeue_timeout_ns;
 132         int32_t max_num_events;
 133         uint64_t *fc_mem;
 134         uint64_t xaq_lmt;
 135         uint64_t nb_xaq_cfg;
 136         rte_iova_t fc_iova;
 137         struct rte_mempool *xaq_pool;
 138         uint64_t rx_offloads;
 139         uint64_t tx_offloads;
 140         uint16_t rx_adptr_pool_cnt;
 141         uint32_t adptr_xae_cnt;
 142         uint64_t *rx_adptr_pools;
 143         /* Dev args */
 144         uint8_t dual_ws;
 145         uint8_t selftest;
 146         uint32_t xae_cnt;
 147         uint8_t qos_queue_cnt;
 148         struct otx2_sso_qos *qos_parse_data;
 149         /* HW const */
 150         uint32_t xae_waes;
 151         uint32_t xaq_buf_size;
 152         uint32_t iue;
 153         /* MSIX offsets */
 154         uint16_t sso_msixoff[OTX2_SSO_MAX_VHGRP];
 155         uint16_t ssow_msixoff[OTX2_SSO_MAX_VHWS];
 156         /* PTP timestamp */
 157         struct otx2_timesync_info *tstamp;
 158 } __rte_cache_aligned;
 159
 160 #define OTX2_SSOGWS_OPS \
 161         /* WS ops */                    \
 162         uintptr_t getwrk_op;            \
 163         uintptr_t tag_op;               \
 164         uintptr_t wqp_op;               \
 165         uintptr_t swtp_op;              \
 166         uintptr_t swtag_norm_op;        \
 167         uintptr_t swtag_desched_op;     \
 168         uint8_t cur_tt;                 \
 169         uint8_t cur_grp
 170
 171 /* Event port aka GWS */
 172 struct otx2_ssogws {
 173         /* Get Work Fastpath data */
 174         OTX2_SSOGWS_OPS;
 175         uint8_t swtag_req;
 176         void *lookup_mem;
 177         uint8_t port;
 178         /* Add Work Fastpath data */
 179         uint64_t xaq_lmt __rte_cache_aligned;
 180         uint64_t *fc_mem;
 181         uintptr_t grps_base[OTX2_SSO_MAX_VHGRP];
 182         /* PTP timestamp */
 183         struct otx2_timesync_info *tstamp;
 184 } __rte_cache_aligned;
 185
 186 struct otx2_ssogws_state {
 187         OTX2_SSOGWS_OPS;
 188 };
 189
 190 struct otx2_ssogws_dual {
 191         /* Get Work Fastpath data */
 192         struct otx2_ssogws_state ws_state[2]; /* Ping and Pong */
 193         uint8_t swtag_req;
 194         uint8_t vws; /* Ping pong bit */
 195         void *lookup_mem;
 196         uint8_t port;
 197         /* Add Work Fastpath data */
 198         uint64_t xaq_lmt __rte_cache_aligned;
 199         uint64_t *fc_mem;
 200         uintptr_t grps_base[OTX2_SSO_MAX_VHGRP];
 201         /* PTP timestamp */
 202         struct otx2_timesync_info *tstamp;
 203 } __rte_cache_aligned;
 204
 205 static inline struct otx2_sso_evdev *
 206 sso_pmd_priv(const struct rte_eventdev *event_dev)
 207 {
 208         return event_dev->data->dev_private;
 209 }
 210
 211 static const union mbuf_initializer mbuf_init = {
 212         .fields = {
 213                 .data_off = RTE_PKTMBUF_HEADROOM,
 214                 .refcnt = 1,
 215                 .nb_segs = 1,
 216                 .port = 0
 217         }
 218 };
 219
 220 static __rte_always_inline void
 221 otx2_wqe_to_mbuf(uint64_t get_work1, const uint64_t mbuf, uint8_t port_id,
 222                  const uint32_t tag, const uint32_t flags,
 223                  const void * const lookup_mem)
 224 {
 225         struct nix_wqe_hdr_s *wqe = (struct nix_wqe_hdr_s *)get_work1;
 226         uint64_t val = mbuf_init.value | (uint64_t)port_id << 48;
 227
 228         if (flags & NIX_RX_OFFLOAD_TSTAMP_F)
 229                 val |= NIX_TIMESYNC_RX_OFFSET;
 230
 231         otx2_nix_cqe_to_mbuf((struct nix_cqe_hdr_s *)wqe, tag,
 232                              (struct rte_mbuf *)mbuf, lookup_mem,
 233                               val, flags);
 234
 235 }
 236
 237 static inline int
 238 parse_kvargs_flag(const char *key, const char *value, void *opaque)
 239 {
 240         RTE_SET_USED(key);
 241
 242         *(uint8_t *)opaque = !!atoi(value);
 243         return 0;
 244 }
 245
 246 static inline int
 247 parse_kvargs_value(const char *key, const char *value, void *opaque)
 248 {
 249         RTE_SET_USED(key);
 250
 251         *(uint32_t *)opaque = (uint32_t)atoi(value);
 252         return 0;
 253 }
 254
 255 #define SSO_RX_ADPTR_ENQ_FASTPATH_FUNC  NIX_RX_FASTPATH_MODES
 256 #define SSO_TX_ADPTR_ENQ_FASTPATH_FUNC  NIX_TX_FASTPATH_MODES
 257
 258 /* Single WS API's */
 259 uint16_t otx2_ssogws_enq(void *port, const struct rte_event *ev);
 260 uint16_t otx2_ssogws_enq_burst(void *port, const struct rte_event ev[],
 261                                uint16_t nb_events);
 262 uint16_t otx2_ssogws_enq_new_burst(void *port, const struct rte_event ev[],
 263                                    uint16_t nb_events);
 264 uint16_t otx2_ssogws_enq_fwd_burst(void *port, const struct rte_event ev[],
 265                                    uint16_t nb_events);
 266
 267 /* Dual WS API's */
 268 uint16_t otx2_ssogws_dual_enq(void *port, const struct rte_event *ev);
 269 uint16_t otx2_ssogws_dual_enq_burst(void *port, const struct rte_event ev[],
 270                                     uint16_t nb_events);
 271 uint16_t otx2_ssogws_dual_enq_new_burst(void *port, const struct rte_event ev[],
 272                                         uint16_t nb_events);
 273 uint16_t otx2_ssogws_dual_enq_fwd_burst(void *port, const struct rte_event ev[],
 274                                         uint16_t nb_events);
 275
 276 /* Auto generated API's */
 277 #define R(name, f5, f4, f3, f2, f1, f0, flags)                                 \
 278 uint16_t otx2_ssogws_deq_ ##name(void *port, struct rte_event *ev,             \
 279                                  uint64_t timeout_ticks);                      \
 280 uint16_t otx2_ssogws_deq_burst_ ##name(void *port, struct rte_event ev[],      \
 281                                        uint16_t nb_events,                     \
 282                                        uint64_t timeout_ticks);                \
 283 uint16_t otx2_ssogws_deq_timeout_ ##name(void *port,                           \
 284                                          struct rte_event *ev,                 \
 285                                          uint64_t timeout_ticks);              \
 286 uint16_t otx2_ssogws_deq_timeout_burst_ ##name(void *port,                     \
 287                                                struct rte_event ev[],          \
 288                                                uint16_t nb_events,             \
 289                                                uint64_t timeout_ticks);        \
 290 uint16_t otx2_ssogws_deq_seg_ ##name(void *port, struct rte_event *ev,         \
 291                                      uint64_t timeout_ticks);                  \
 292 uint16_t otx2_ssogws_deq_seg_burst_ ##name(void *port,                         \
 293                                            struct rte_event ev[],              \
 294                                            uint16_t nb_events,                 \
 295                                            uint64_t timeout_ticks);            \
 296 uint16_t otx2_ssogws_deq_seg_timeout_ ##name(void *port,                       \
 297                                              struct rte_event *ev,             \
 298                                              uint64_t timeout_ticks);          \
 299 uint16_t otx2_ssogws_deq_seg_timeout_burst_ ##name(void *port,                 \
 300                                                    struct rte_event ev[],      \
 301                                                    uint16_t nb_events,         \
 302                                                    uint64_t timeout_ticks);    \
 303                                                                                \
 304 uint16_t otx2_ssogws_dual_deq_ ##name(void *port, struct rte_event *ev,        \
 305                                       uint64_t timeout_ticks);                 \
 306 uint16_t otx2_ssogws_dual_deq_burst_ ##name(void *port,                        \
 307                                             struct rte_event ev[],             \
 308                                             uint16_t nb_events,                \
 309                                             uint64_t timeout_ticks);           \
 310 uint16_t otx2_ssogws_dual_deq_timeout_ ##name(void *port,                      \
 311                                               struct rte_event *ev,            \
 312                                               uint64_t timeout_ticks);         \
 313 uint16_t otx2_ssogws_dual_deq_timeout_burst_ ##name(void *port,                \
 314                                                     struct rte_event ev[],     \
 315                                                     uint16_t nb_events,        \
 316                                                     uint64_t timeout_ticks);   \
 317 uint16_t otx2_ssogws_dual_deq_seg_ ##name(void *port, struct rte_event *ev,    \
 318                                           uint64_t timeout_ticks);             \
 319 uint16_t otx2_ssogws_dual_deq_seg_burst_ ##name(void *port,                    \
 320                                                 struct rte_event ev[],         \
 321                                                 uint16_t nb_events,            \
 322                                                 uint64_t timeout_ticks);       \
 323 uint16_t otx2_ssogws_dual_deq_seg_timeout_ ##name(void *port,                  \
 324                                                   struct rte_event *ev,        \
 325                                                   uint64_t timeout_ticks);     \
 326 uint16_t otx2_ssogws_dual_deq_seg_timeout_burst_ ##name(void *port,            \
 327                                                         struct rte_event ev[], \
 328                                                         uint16_t nb_events,    \
 329                                                        uint64_t timeout_ticks);\
 330
 331 SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 332 #undef R
 333
 334 #define T(name, f4, f3, f2, f1, f0, sz, flags)                               \
 335 uint16_t otx2_ssogws_tx_adptr_enq_ ## name(void *port, struct rte_event ev[],\
 336                                            uint16_t nb_events);              \
 337 uint16_t otx2_ssogws_tx_adptr_enq_seg_ ## name(void *port,                   \
 338                                                struct rte_event ev[],        \
 339                                                uint16_t nb_events);          \
 340 uint16_t otx2_ssogws_dual_tx_adptr_enq_ ## name(void *port,                  \
 341                                                 struct rte_event ev[],       \
 342                                                 uint16_t nb_events);         \
 343 uint16_t otx2_ssogws_dual_tx_adptr_enq_seg_ ## name(void *port,              \
 344                                                     struct rte_event ev[],   \
 345                                                     uint16_t nb_events);     \
 346
 347 SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
 348 #undef T
 349
 350 void sso_updt_xae_cnt(struct otx2_sso_evdev *dev, void *data,
 351                       uint32_t event_type);
 352 int sso_xae_reconfigure(struct rte_eventdev *event_dev);
 353 void sso_fastpath_fns_set(struct rte_eventdev *event_dev);
 354
 355 int otx2_sso_rx_adapter_caps_get(const struct rte_eventdev *event_dev,
 356                                  const struct rte_eth_dev *eth_dev,
 357                                  uint32_t *caps);
 358 int otx2_sso_rx_adapter_queue_add(const struct rte_eventdev *event_dev,
 359                                   const struct rte_eth_dev *eth_dev,
 360                                   int32_t rx_queue_id,
 361                 const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
 362 int otx2_sso_rx_adapter_queue_del(const struct rte_eventdev *event_dev,
 363                                   const struct rte_eth_dev *eth_dev,
 364                                   int32_t rx_queue_id);
 365 int otx2_sso_rx_adapter_start(const struct rte_eventdev *event_dev,
 366                               const struct rte_eth_dev *eth_dev);
 367 int otx2_sso_rx_adapter_stop(const struct rte_eventdev *event_dev,
 368                              const struct rte_eth_dev *eth_dev);
 369 int otx2_sso_tx_adapter_caps_get(const struct rte_eventdev *dev,
 370                                  const struct rte_eth_dev *eth_dev,
 371                                  uint32_t *caps);
 372 int otx2_sso_tx_adapter_queue_add(uint8_t id,
 373                                   const struct rte_eventdev *event_dev,
 374                                   const struct rte_eth_dev *eth_dev,
 375                                   int32_t tx_queue_id);
 376
 377 int otx2_sso_tx_adapter_queue_del(uint8_t id,
 378                                   const struct rte_eventdev *event_dev,
 379                                   const struct rte_eth_dev *eth_dev,
 380                                   int32_t tx_queue_id);
 381
 382 /* Clean up API's */
 383 typedef void (*otx2_handle_event_t)(void *arg, struct rte_event ev);
 384 void ssogws_flush_events(struct otx2_ssogws *ws, uint8_t queue_id,
 385                          uintptr_t base, otx2_handle_event_t fn, void *arg);
 386 void ssogws_reset(struct otx2_ssogws *ws);
 387 /* Selftest */
 388 int otx2_sso_selftest(void);
 389 /* Init and Fini API's */
 390 int otx2_sso_init(struct rte_eventdev *event_dev);
 391 int otx2_sso_fini(struct rte_eventdev *event_dev);
 392 /* IRQ handlers */
 393 int sso_register_irqs(const struct rte_eventdev *event_dev);
 394 void sso_unregister_irqs(const struct rte_eventdev *event_dev);
 395
 396 #endif /* __OTX2_EVDEV_H__ */