1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Cavium, Inc 3 */ 4 5 #ifndef __SSOVF_EVDEV_H__ 6 #define __SSOVF_EVDEV_H__ 7 8 #include <rte_eventdev_pmd_vdev.h> 9 #include <rte_io.h> 10 11 #include <octeontx_mbox.h> 12 #include <octeontx_ethdev.h> 13 14 #define EVENTDEV_NAME_OCTEONTX_PMD event_octeontx 15 16 #define SSOVF_LOG(level, fmt, args...) \ 17 rte_log(RTE_LOG_ ## level, otx_logtype_ssovf, \ 18 "[%s] %s() " fmt "\n", \ 19 RTE_STR(EVENTDEV_NAME_OCTEONTX_PMD), __func__, ## args) 20 21 #define ssovf_log_info(fmt, ...) SSOVF_LOG(INFO, fmt, ##__VA_ARGS__) 22 #define ssovf_log_dbg(fmt, ...) SSOVF_LOG(DEBUG, fmt, ##__VA_ARGS__) 23 #define ssovf_log_err(fmt, ...) SSOVF_LOG(ERR, fmt, ##__VA_ARGS__) 24 #define ssovf_func_trace ssovf_log_dbg 25 26 #define SSO_MAX_VHGRP (64) 27 #define SSO_MAX_VHWS (32) 28 29 /* SSO VF register offsets */ 30 #define SSO_VHGRP_QCTL (0x010ULL) 31 #define SSO_VHGRP_INT (0x100ULL) 32 #define SSO_VHGRP_INT_W1S (0x108ULL) 33 #define SSO_VHGRP_INT_ENA_W1S (0x110ULL) 34 #define SSO_VHGRP_INT_ENA_W1C (0x118ULL) 35 #define SSO_VHGRP_INT_THR (0x140ULL) 36 #define SSO_VHGRP_INT_CNT (0x180ULL) 37 #define SSO_VHGRP_XAQ_CNT (0x1B0ULL) 38 #define SSO_VHGRP_AQ_CNT (0x1C0ULL) 39 #define SSO_VHGRP_AQ_THR (0x1E0ULL) 40 41 /* BAR2 */ 42 #define SSO_VHGRP_OP_ADD_WORK0 (0x00ULL) 43 #define SSO_VHGRP_OP_ADD_WORK1 (0x08ULL) 44 45 /* SSOW VF register offsets (BAR0) */ 46 #define SSOW_VHWS_GRPMSK_CHGX(x) (0x080ULL | ((x) << 3)) 47 #define SSOW_VHWS_TAG (0x300ULL) 48 #define SSOW_VHWS_WQP (0x308ULL) 49 #define SSOW_VHWS_LINKS (0x310ULL) 50 #define SSOW_VHWS_PENDTAG (0x340ULL) 51 #define SSOW_VHWS_PENDWQP (0x348ULL) 52 #define SSOW_VHWS_SWTP (0x400ULL) 53 #define SSOW_VHWS_OP_ALLOC_WE (0x410ULL) 54 #define SSOW_VHWS_OP_UPD_WQP_GRP0 (0x440ULL) 55 #define SSOW_VHWS_OP_UPD_WQP_GRP1 (0x448ULL) 56 #define SSOW_VHWS_OP_SWTAG_UNTAG (0x490ULL) 57 #define SSOW_VHWS_OP_SWTAG_CLR (0x820ULL) 58 #define SSOW_VHWS_OP_DESCHED (0x860ULL) 59 #define SSOW_VHWS_OP_DESCHED_NOSCH (0x870ULL) 60 #define SSOW_VHWS_OP_SWTAG_DESCHED (0x8C0ULL) 61 #define SSOW_VHWS_OP_SWTAG_NOSCHED (0x8D0ULL) 62 #define SSOW_VHWS_OP_SWTP_SET (0xC20ULL) 63 #define SSOW_VHWS_OP_SWTAG_NORM (0xC80ULL) 64 #define SSOW_VHWS_OP_SWTAG_FULL0 (0xCA0UL) 65 #define SSOW_VHWS_OP_SWTAG_FULL1 (0xCA8ULL) 66 #define SSOW_VHWS_OP_CLR_NSCHED (0x10000ULL) 67 #define SSOW_VHWS_OP_GET_WORK0 (0x80000ULL) 68 #define SSOW_VHWS_OP_GET_WORK1 (0x80008ULL) 69 70 /* Mailbox message constants */ 71 #define SSO_COPROC 0x2 72 73 #define SSO_GETDOMAINCFG 0x1 74 #define SSO_IDENTIFY 0x2 75 #define SSO_GET_DEV_INFO 0x3 76 #define SSO_GET_GETWORK_WAIT 0x4 77 #define SSO_SET_GETWORK_WAIT 0x5 78 #define SSO_CONVERT_NS_GETWORK_ITER 0x6 79 #define SSO_GRP_GET_PRIORITY 0x7 80 #define SSO_GRP_SET_PRIORITY 0x8 81 82 /* 83 * In Cavium OcteonTX SoC, all accesses to the device registers are 84 * implictly strongly ordered. So, The relaxed version of IO operation is 85 * safe to use with out any IO memory barriers. 86 */ 87 #define ssovf_read64 rte_read64_relaxed 88 #define ssovf_write64 rte_write64_relaxed 89 90 /* ARM64 specific functions */ 91 #if defined(RTE_ARCH_ARM64) 92 #define ssovf_load_pair(val0, val1, addr) ({ \ 93 asm volatile( \ 94 "ldp %x[x0], %x[x1], [%x[p1]]" \ 95 :[x0]"=r"(val0), [x1]"=r"(val1) \ 96 :[p1]"r"(addr) \ 97 ); }) 98 99 #define ssovf_store_pair(val0, val1, addr) ({ \ 100 asm volatile( \ 101 "stp %x[x0], %x[x1], [%x[p1]]" \ 102 ::[x0]"r"(val0), [x1]"r"(val1), [p1]"r"(addr) \ 103 ); }) 104 #else /* Un optimized functions for building on non arm64 arch */ 105 106 #define ssovf_load_pair(val0, val1, addr) \ 107 do { \ 108 val0 = rte_read64(addr); \ 109 val1 = rte_read64(((uint8_t *)addr) + 8); \ 110 } while (0) 111 112 #define ssovf_store_pair(val0, val1, addr) \ 113 do { \ 114 rte_write64(val0, addr); \ 115 rte_write64(val1, (((uint8_t *)addr) + 8)); \ 116 } while (0) 117 #endif 118 119 120 struct ssovf_evdev { 121 uint8_t max_event_queues; 122 uint8_t max_event_ports; 123 uint8_t is_timeout_deq; 124 uint8_t nb_event_queues; 125 uint8_t nb_event_ports; 126 uint32_t min_deq_timeout_ns; 127 uint32_t max_deq_timeout_ns; 128 int32_t max_num_events; 129 } __rte_cache_aligned; 130 131 /* Event port aka HWS */ 132 struct ssows { 133 uint8_t cur_tt; 134 uint8_t cur_grp; 135 uint8_t swtag_req; 136 uint8_t *base; 137 uint8_t *getwork; 138 uint8_t *grps[SSO_MAX_VHGRP]; 139 uint8_t port; 140 } __rte_cache_aligned; 141 142 static inline struct ssovf_evdev * 143 ssovf_pmd_priv(const struct rte_eventdev *eventdev) 144 { 145 return eventdev->data->dev_private; 146 } 147 148 extern int otx_logtype_ssovf; 149 150 uint16_t ssows_enq(void *port, const struct rte_event *ev); 151 uint16_t ssows_enq_burst(void *port, 152 const struct rte_event ev[], uint16_t nb_events); 153 uint16_t ssows_enq_new_burst(void *port, 154 const struct rte_event ev[], uint16_t nb_events); 155 uint16_t ssows_enq_fwd_burst(void *port, 156 const struct rte_event ev[], uint16_t nb_events); 157 uint16_t ssows_deq(void *port, struct rte_event *ev, uint64_t timeout_ticks); 158 uint16_t ssows_deq_burst(void *port, struct rte_event ev[], 159 uint16_t nb_events, uint64_t timeout_ticks); 160 uint16_t ssows_deq_timeout(void *port, struct rte_event *ev, 161 uint64_t timeout_ticks); 162 uint16_t ssows_deq_timeout_burst(void *port, struct rte_event ev[], 163 uint16_t nb_events, uint64_t timeout_ticks); 164 void ssows_flush_events(struct ssows *ws, uint8_t queue_id); 165 void ssows_reset(struct ssows *ws); 166 167 #endif /* __SSOVF_EVDEV_H__ */ 168