X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fregex%2Fmlx5%2Fmlx5_rxp.c;h=380037e24c333da7d1b9c82035e8c9261c7ea35f;hb=2700326085033fd13339a8de31f58a95d1ee9c3f;hp=b8fab79988dbde5efe527c0bdc10bfc62d35470a;hpb=fbc8c7003b93a7555887a4195678aca9ee69f4ae;p=dpdk.git diff --git a/drivers/regex/mlx5/mlx5_rxp.c b/drivers/regex/mlx5/mlx5_rxp.c index b8fab79988..380037e24c 100644 --- a/drivers/regex/mlx5/mlx5_rxp.c +++ b/drivers/regex/mlx5/mlx5_rxp.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include @@ -24,6 +25,8 @@ #define MLX5_REGEX_MAX_RULES_PER_GROUP UINT32_MAX #define MLX5_REGEX_MAX_GROUPS MLX5_RXP_MAX_SUBSETS +#define MLX5_REGEX_RXP_ROF2_LINE_LEN 34 + /* Private Declarations */ static int rxp_poll_csr_for_value(struct ibv_context *ctx, uint32_t *value, @@ -36,30 +39,15 @@ mlnx_resume_database(struct mlx5_regex_priv *priv, uint8_t id); static int mlnx_update_database(struct mlx5_regex_priv *priv, uint8_t id); static int -program_rxp_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, uint8_t id); +program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len, + uint8_t id); static int rxp_init_eng(struct mlx5_regex_priv *priv, uint8_t id); static int -write_private_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, - uint8_t id); -static int -write_shared_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, uint32_t count, - uint8_t db_to_program); -static int rxp_db_setup(struct mlx5_regex_priv *priv); static void rxp_dump_csrs(struct ibv_context *ctx, uint8_t id); static int -rxp_write_rules_via_cp(struct ibv_context *ctx, - struct mlx5_rxp_rof_entry *rules, - int count, uint8_t id); -static int -rxp_flush_rules(struct ibv_context *ctx, struct mlx5_rxp_rof_entry *rules, - int count, uint8_t id); -static int rxp_start_engine(struct ibv_context *ctx, uint8_t id); static int rxp_stop_engine(struct ibv_context *ctx, uint8_t id); @@ -115,106 +103,10 @@ mlx5_regex_info_get(struct rte_regexdev *dev __rte_unused, info->max_payload_size = MLX5_REGEX_MAX_PAYLOAD_SIZE; info->max_rules_per_group = MLX5_REGEX_MAX_RULES_PER_GROUP; info->max_groups = MLX5_REGEX_MAX_GROUPS; - info->max_queue_pairs = 1; - info->regexdev_capa = RTE_REGEXDEV_SUPP_PCRE_GREEDY_F; + info->regexdev_capa = RTE_REGEXDEV_SUPP_PCRE_GREEDY_F | + RTE_REGEXDEV_CAPA_QUEUE_PAIR_OOS_F; info->rule_flags = 0; - info->max_queue_pairs = 10; - return 0; -} - -/** - * Actual writing of RXP instructions to RXP via CSRs. - */ -static int -rxp_write_rules_via_cp(struct ibv_context *ctx, - struct mlx5_rxp_rof_entry *rules, - int count, uint8_t id) -{ - int i, ret = 0; - uint32_t tmp; - - for (i = 0; i < count; i++) { - tmp = (uint32_t)rules[i].value; - ret |= mlx5_devx_regex_register_write(ctx, id, - MLX5_RXP_RTRU_CSR_DATA_0, - tmp); - tmp = (uint32_t)(rules[i].value >> 32); - ret |= mlx5_devx_regex_register_write(ctx, id, - MLX5_RXP_RTRU_CSR_DATA_0 + - MLX5_RXP_CSR_WIDTH, tmp); - tmp = rules[i].addr; - ret |= mlx5_devx_regex_register_write(ctx, id, - MLX5_RXP_RTRU_CSR_ADDR, - tmp); - if (ret) { - DRV_LOG(ERR, "Failed to copy instructions to RXP."); - return -1; - } - } - DRV_LOG(DEBUG, "Written %d instructions", count); - return 0; -} - -static int -rxp_flush_rules(struct ibv_context *ctx, struct mlx5_rxp_rof_entry *rules, - int count, uint8_t id) -{ - uint32_t val, fifo_depth; - int ret; - - ret = rxp_write_rules_via_cp(ctx, rules, count, id); - if (ret < 0) { - DRV_LOG(ERR, "Failed to write rules via CSRs."); - return -1; - } - ret = mlx5_devx_regex_register_read(ctx, id, - MLX5_RXP_RTRU_CSR_CAPABILITY, - &fifo_depth); - if (ret) { - DRV_LOG(ERR, "CSR read failed!"); - return -1; - } - ret = rxp_poll_csr_for_value(ctx, &val, MLX5_RXP_RTRU_CSR_FIFO_STAT, - count, ~0, - MLX5_RXP_POLL_CSR_FOR_VALUE_TIMEOUT, id); - if (ret < 0) { - DRV_LOG(ERR, "Rules not rx by RXP: credit: %d, depth: %d", val, - fifo_depth); - return ret; - } - DRV_LOG(DEBUG, "RTRU FIFO depth: 0x%x", fifo_depth); - DRV_LOG(DEBUG, "Rules flush took %d cycles.", ret); - ret = mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_RTRU_CSR_CTRL, - &val); - if (ret) { - DRV_LOG(ERR, "CSR read failed!"); - return -1; - } - val |= MLX5_RXP_RTRU_CSR_CTRL_GO; - ret = mlx5_devx_regex_register_write(ctx, id, MLX5_RXP_RTRU_CSR_CTRL, - val); - ret = rxp_poll_csr_for_value(ctx, &val, MLX5_RXP_RTRU_CSR_STATUS, - MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE, - MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE, - MLX5_RXP_POLL_CSR_FOR_VALUE_TIMEOUT, id); - if (ret < 0) { - DRV_LOG(ERR, "Rules update timeout: 0x%08X", val); - return ret; - } - DRV_LOG(DEBUG, "Rules update took %d cycles", ret); - if (mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_RTRU_CSR_CTRL, - &val)) { - DRV_LOG(ERR, "CSR read failed!"); - return -1; - } - val &= ~(MLX5_RXP_RTRU_CSR_CTRL_GO); - if (mlx5_devx_regex_register_write(ctx, id, MLX5_RXP_RTRU_CSR_CTRL, - val)) { - DRV_LOG(ERR, "CSR write write failed!"); - return -1; - } - - DRV_LOG(DEBUG, "RXP Flush rules finished."); + info->max_queue_pairs = UINT16_MAX; return 0; } @@ -224,7 +116,7 @@ rxp_poll_csr_for_value(struct ibv_context *ctx, uint32_t *value, uint32_t expected_mask, uint32_t timeout_ms, uint8_t id) { unsigned int i; - int ret = 0; + int ret; ret = -EBUSY; for (i = 0; i < timeout_ms; i++) { @@ -269,12 +161,13 @@ rxp_stop_engine(struct ibv_context *ctx, uint8_t id) } static int -rxp_init_rtru(struct ibv_context *ctx, uint8_t id, uint32_t init_bits) +rxp_init_rtru(struct mlx5_regex_priv *priv, uint8_t id, uint32_t init_bits) { uint32_t ctrl_value; uint32_t poll_value; uint32_t expected_value; uint32_t expected_mask; + struct ibv_context *ctx = priv->ctx; int ret = 0; /* Read the rtru ctrl CSR. */ @@ -308,13 +201,15 @@ rxp_init_rtru(struct ibv_context *ctx, uint8_t id, uint32_t init_bits) /* Check that the following bits are set in the RTRU_CSR. */ if (init_bits == MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_L1_L2) { /* Must be incremental mode */ - expected_value = MLX5_RXP_RTRU_CSR_STATUS_L1C_INIT_DONE | - MLX5_RXP_RTRU_CSR_STATUS_L2C_INIT_DONE; + expected_value = MLX5_RXP_RTRU_CSR_STATUS_L1C_INIT_DONE; } else { expected_value = MLX5_RXP_RTRU_CSR_STATUS_IM_INIT_DONE | - MLX5_RXP_RTRU_CSR_STATUS_L1C_INIT_DONE | - MLX5_RXP_RTRU_CSR_STATUS_L2C_INIT_DONE; + MLX5_RXP_RTRU_CSR_STATUS_L1C_INIT_DONE; } + if (priv->is_bf2) + expected_value |= MLX5_RXP_RTRU_CSR_STATUS_L2C_INIT_DONE; + + expected_mask = expected_value; ret = rxp_poll_csr_for_value(ctx, &poll_value, MLX5_RXP_RTRU_CSR_STATUS, @@ -331,69 +226,278 @@ rxp_init_rtru(struct ibv_context *ctx, uint8_t id, uint32_t init_bits) } static int -rxp_parse_rof(const char *buf, uint32_t len, - struct mlx5_rxp_ctl_rules_pgm **rules) +rxp_parse_line(char *line, uint32_t *type, uint32_t *address, uint64_t *value) +{ + char *cur_pos; + + if (*line == '\0' || *line == '#') + return 1; + *type = strtoul(line, &cur_pos, 10); + if (*cur_pos != ',' && *cur_pos != '\0') + return -1; + *address = strtoul(cur_pos+1, &cur_pos, 16); + if (*cur_pos != ',' && *cur_pos != '\0') + return -1; + *value = strtoul(cur_pos+1, &cur_pos, 16); + if (*cur_pos != ',' && *cur_pos != '\0') + return -1; + return 0; +} + +static uint32_t +rxp_get_reg_address(uint32_t address) +{ + uint32_t block; + uint32_t reg; + + block = (address >> 16) & 0xFFFF; + if (block == 0) + reg = MLX5_RXP_CSR_BASE_ADDRESS; + else if (block == 1) + reg = MLX5_RXP_RTRU_CSR_BASE_ADDRESS; + else { + DRV_LOG(ERR, "Invalid ROF register 0x%08X!", address); + return UINT32_MAX; + } + reg += (address & 0xFFFF) * MLX5_RXP_CSR_WIDTH; + return reg; +} + +#define MLX5_RXP_NUM_LINES_PER_BLOCK 8 + +static int +rxp_program_rof(struct mlx5_regex_priv *priv, const char *buf, uint32_t len, + uint8_t id) { static const char del[] = "\n\r"; char *line; char *tmp; - char *cur_pos; - uint32_t lines = 0; - uint32_t entries; - struct mlx5_rxp_rof_entry *curentry; + uint32_t type = 0; + uint32_t address; + uint64_t val; + uint32_t reg_val; + int ret; + int skip = -1; + int last = 0; + uint32_t temp; + uint32_t tmp_addr; + uint32_t rof_rule_addr; + uint64_t tmp_write_swap[4]; + struct mlx5_rxp_rof_entry rules[8]; + int i; + int db_free; + int j; tmp = rte_malloc("", len, 0); if (!tmp) return -ENOMEM; memcpy(tmp, buf, len); - line = strtok(tmp, del); - while (line) { - if (line[0] != '#' && line[0] != '\0') - lines++; - line = strtok(NULL, del); - } - *rules = rte_malloc("", lines * sizeof(*curentry) + sizeof(**rules), 0); - if (!(*rules)) { + db_free = mlnx_update_database(priv, id); + if (db_free < 0) { + DRV_LOG(ERR, "Failed to setup db memory!"); rte_free(tmp); - return -ENOMEM; + return db_free; } - memset(*rules, 0, lines * sizeof(curentry) + sizeof(**rules)); - curentry = (*rules)->rules; - (*rules)->hdr.cmd = MLX5_RXP_CTL_RULES_PGM; - entries = 0; - memcpy(tmp, buf, len); - line = strtok(tmp, del); - while (line) { - if (line[0] == '#' || line[0] == '\0') { - line = strtok(NULL, del); + for (line = strtok(tmp, del), j = 0; line; line = strtok(NULL, del), + j++, last = type) { + ret = rxp_parse_line(line, &type, &address, &val); + if (ret != 0) { + if (ret < 0) + goto parse_error; continue; } - curentry->type = strtoul(line, &cur_pos, 10); - if (cur_pos == line || cur_pos[0] != ',') - goto parse_error; - cur_pos++; - curentry->addr = strtoul(cur_pos, &cur_pos, 16); - if (cur_pos[0] != ',') - goto parse_error; - cur_pos++; - curentry->value = strtoull(cur_pos, &cur_pos, 16); - if (cur_pos[0] != '\0' && cur_pos[0] != '\n') - goto parse_error; - curentry++; - entries++; - if (entries > lines) - goto parse_error; - line = strtok(NULL, del); - } - (*rules)->count = entries; - (*rules)->hdr.len = entries * sizeof(*curentry) + sizeof(**rules); + switch (type) { + case MLX5_RXP_ROF_ENTRY_EQ: + if (skip == 0 && address == 0) + skip = 1; + tmp_addr = rxp_get_reg_address(address); + if (tmp_addr == UINT32_MAX) + goto parse_error; + ret = mlx5_devx_regex_register_read(priv->ctx, id, + tmp_addr, ®_val); + if (ret) + goto parse_error; + if (skip == -1 && address == 0) { + if (val == reg_val) { + skip = 0; + continue; + } + } else if (skip == 0) { + if (val != reg_val) { + DRV_LOG(ERR, + "got %08X expected == %" PRIx64, + reg_val, val); + goto parse_error; + } + } + break; + case MLX5_RXP_ROF_ENTRY_GTE: + if (skip == 0 && address == 0) + skip = 1; + tmp_addr = rxp_get_reg_address(address); + if (tmp_addr == UINT32_MAX) + goto parse_error; + ret = mlx5_devx_regex_register_read(priv->ctx, id, + tmp_addr, ®_val); + if (ret) + goto parse_error; + if (skip == -1 && address == 0) { + if (reg_val >= val) { + skip = 0; + continue; + } + } else if (skip == 0) { + if (reg_val < val) { + DRV_LOG(ERR, + "got %08X expected >= %" PRIx64, + reg_val, val); + goto parse_error; + } + } + break; + case MLX5_RXP_ROF_ENTRY_LTE: + tmp_addr = rxp_get_reg_address(address); + if (tmp_addr == UINT32_MAX) + goto parse_error; + ret = mlx5_devx_regex_register_read(priv->ctx, id, + tmp_addr, ®_val); + if (ret) + goto parse_error; + if (skip == 0 && address == 0 && + last != MLX5_RXP_ROF_ENTRY_GTE) { + skip = 1; + } else if (skip == 0 && address == 0 && + last == MLX5_RXP_ROF_ENTRY_GTE) { + if (reg_val > val) + skip = -1; + continue; + } + if (skip == -1 && address == 0) { + if (reg_val <= val) { + skip = 0; + continue; + } + } else if (skip == 0) { + if (reg_val > val) { + DRV_LOG(ERR, + "got %08X expected <= %" PRIx64, + reg_val, val); + goto parse_error; + } + } + break; + case MLX5_RXP_ROF_ENTRY_CHECKSUM: + break; + case MLX5_RXP_ROF_ENTRY_CHECKSUM_EX_EM: + if (skip) + continue; + tmp_addr = rxp_get_reg_address(address); + if (tmp_addr == UINT32_MAX) + goto parse_error; + + ret = mlx5_devx_regex_register_read(priv->ctx, id, + tmp_addr, ®_val); + if (ret) { + DRV_LOG(ERR, "RXP CSR read failed!"); + return ret; + } + if (reg_val != val) { + DRV_LOG(ERR, "got %08X expected <= %" PRIx64, + reg_val, val); + goto parse_error; + } + break; + case MLX5_RXP_ROF_ENTRY_IM: + if (skip) + continue; + /* + * NOTE: All rules written to RXP must be carried out in + * triplets of: 2xData + 1xAddr. + * No optimisation is currently allowed in this + * sequence to perform less writes. + */ + temp = val; + ret |= mlx5_devx_regex_register_write + (priv->ctx, id, + MLX5_RXP_RTRU_CSR_DATA_0, temp); + temp = (uint32_t)(val >> 32); + ret |= mlx5_devx_regex_register_write + (priv->ctx, id, + MLX5_RXP_RTRU_CSR_DATA_0 + + MLX5_RXP_CSR_WIDTH, temp); + temp = address; + ret |= mlx5_devx_regex_register_write + (priv->ctx, id, MLX5_RXP_RTRU_CSR_ADDR, + temp); + if (ret) { + DRV_LOG(ERR, + "Failed to copy instructions to RXP."); + goto parse_error; + } + break; + case MLX5_RXP_ROF_ENTRY_EM: + if (skip) + continue; + for (i = 0; i < MLX5_RXP_NUM_LINES_PER_BLOCK; i++) { + ret = rxp_parse_line(line, &type, + &rules[i].addr, + &rules[i].value); + if (ret != 0) + goto parse_error; + if (i < (MLX5_RXP_NUM_LINES_PER_BLOCK - 1)) { + line = strtok(NULL, del); + if (!line) + goto parse_error; + } + } + if ((uint8_t *)((uint8_t *) + priv->db[id].ptr + + ((rules[7].addr << + MLX5_RXP_INST_OFFSET))) >= + ((uint8_t *)((uint8_t *) + priv->db[id].ptr + MLX5_MAX_DB_SIZE))) { + DRV_LOG(ERR, "DB exceeded memory!"); + goto parse_error; + } + /* + * Rule address Offset to align with RXP + * external instruction offset. + */ + rof_rule_addr = (rules[0].addr << MLX5_RXP_INST_OFFSET); + /* 32 byte instruction swap (sw work around)! */ + tmp_write_swap[0] = le64toh(rules[4].value); + tmp_write_swap[1] = le64toh(rules[5].value); + tmp_write_swap[2] = le64toh(rules[6].value); + tmp_write_swap[3] = le64toh(rules[7].value); + /* Write only 4 of the 8 instructions. */ + memcpy((uint8_t *)((uint8_t *) + priv->db[id].ptr + rof_rule_addr), + &tmp_write_swap, (sizeof(uint64_t) * 4)); + /* Write 1st 4 rules of block after last 4. */ + rof_rule_addr = (rules[4].addr << MLX5_RXP_INST_OFFSET); + tmp_write_swap[0] = le64toh(rules[0].value); + tmp_write_swap[1] = le64toh(rules[1].value); + tmp_write_swap[2] = le64toh(rules[2].value); + tmp_write_swap[3] = le64toh(rules[3].value); + memcpy((uint8_t *)((uint8_t *) + priv->db[id].ptr + rof_rule_addr), + &tmp_write_swap, (sizeof(uint64_t) * 4)); + break; + default: + break; + } + + } + ret = mlnx_set_database(priv, id, db_free); + if (ret < 0) { + DRV_LOG(ERR, "Failed to register db memory!"); + goto parse_error; + } rte_free(tmp); return 0; parse_error: rte_free(tmp); - if (*rules) - rte_free(*rules); - return -EINVAL; + return ret; } static int @@ -479,43 +583,85 @@ mlnx_update_database(struct mlx5_regex_priv *priv, uint8_t id) * Program RXP instruction db to RXP engine/s. */ static int -program_rxp_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, uint8_t id) +program_rxp_rules(struct mlx5_regex_priv *priv, const char *buf, uint32_t len, + uint8_t id) { - int ret, db_free; - uint32_t rule_cnt; + int ret; + uint32_t val; - rule_cnt = rules->count; - db_free = mlnx_update_database(priv, id); - if (db_free < 0) { - DRV_LOG(ERR, "Failed to setup db memory!"); - return db_free; + ret = rxp_init_eng(priv, id); + if (ret < 0) + return ret; + /* Confirm the RXP is initialised. */ + if (mlx5_devx_regex_register_read(priv->ctx, id, + MLX5_RXP_CSR_STATUS, &val)) { + DRV_LOG(ERR, "Failed to read from RXP!"); + return -ENODEV; } - if (priv->prog_mode == MLX5_RXP_PRIVATE_PROG_MODE) { - /* Register early to ensure RXP writes to EM use valid addr. */ - ret = mlnx_set_database(priv, id, db_free); - if (ret < 0) { - DRV_LOG(ERR, "Failed to register db memory!"); - return ret; - } + if (!(val & MLX5_RXP_CSR_STATUS_INIT_DONE)) { + DRV_LOG(ERR, "RXP not initialised..."); + return -EBUSY; } - ret = write_private_rules(priv, rules, id); - if (ret < 0) { - DRV_LOG(ERR, "Failed to write rules!"); - return ret; + ret = mlx5_devx_regex_register_read(priv->ctx, id, + MLX5_RXP_RTRU_CSR_CTRL, &val); + if (ret) { + DRV_LOG(ERR, "CSR read failed!"); + return -1; + } + val |= MLX5_RXP_RTRU_CSR_CTRL_GO; + ret = mlx5_devx_regex_register_write(priv->ctx, id, + MLX5_RXP_RTRU_CSR_CTRL, val); + if (ret) { + DRV_LOG(ERR, "Can't program rof file!"); + return -1; + } + ret = rxp_program_rof(priv, buf, len, id); + if (ret) { + DRV_LOG(ERR, "Can't program rof file!"); + return -1; } - if (priv->prog_mode == MLX5_RXP_SHARED_PROG_MODE) { - /* Write external rules directly to EM. */ - rules->count = rule_cnt; - /* Now write external instructions to EM. */ - ret = write_shared_rules(priv, rules, rules->hdr.len, db_free); + if (priv->is_bf2) { + ret = rxp_poll_csr_for_value + (priv->ctx, &val, MLX5_RXP_RTRU_CSR_STATUS, + MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE, + MLX5_RXP_RTRU_CSR_STATUS_UPDATE_DONE, + MLX5_RXP_POLL_CSR_FOR_VALUE_TIMEOUT, id); if (ret < 0) { - DRV_LOG(ERR, "Failed to write EM rules!"); + DRV_LOG(ERR, "Rules update timeout: 0x%08X", val); return ret; } - ret = mlnx_set_database(priv, id, db_free); - if (ret < 0) { - DRV_LOG(ERR, "Failed to register db memory!"); + DRV_LOG(DEBUG, "Rules update took %d cycles", ret); + } + if (mlx5_devx_regex_register_read(priv->ctx, id, MLX5_RXP_RTRU_CSR_CTRL, + &val)) { + DRV_LOG(ERR, "CSR read failed!"); + return -1; + } + val &= ~(MLX5_RXP_RTRU_CSR_CTRL_GO); + if (mlx5_devx_regex_register_write(priv->ctx, id, + MLX5_RXP_RTRU_CSR_CTRL, val)) { + DRV_LOG(ERR, "CSR write failed!"); + return -1; + } + ret = mlx5_devx_regex_register_read(priv->ctx, id, MLX5_RXP_CSR_CTRL, + &val); + if (ret) + return ret; + val &= ~MLX5_RXP_CSR_CTRL_INIT; + ret = mlx5_devx_regex_register_write(priv->ctx, id, MLX5_RXP_CSR_CTRL, + val); + if (ret) + return ret; + rxp_init_rtru(priv, id, MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_L1_L2); + if (priv->is_bf2) { + ret = rxp_poll_csr_for_value(priv->ctx, &val, + MLX5_RXP_CSR_STATUS, + MLX5_RXP_CSR_STATUS_INIT_DONE, + MLX5_RXP_CSR_STATUS_INIT_DONE, + MLX5_RXP_CSR_STATUS_TRIAL_TIMEOUT, + id); + if (ret) { + DRV_LOG(ERR, "Device init failed!"); return ret; } } @@ -524,9 +670,9 @@ program_rxp_rules(struct mlx5_regex_priv *priv, DRV_LOG(ERR, "Failed to resume engine!"); return ret; } - DRV_LOG(DEBUG, "Programmed RXP Engine %d\n", id); - rules->count = rule_cnt; - return 0; + + return ret; + } static int @@ -553,6 +699,8 @@ rxp_init_eng(struct mlx5_regex_priv *priv, uint8_t id) return ret; ctrl &= ~MLX5_RXP_CSR_CTRL_INIT; ret = mlx5_devx_regex_register_write(ctx, id, MLX5_RXP_CSR_CTRL, ctrl); + if (ret) + return ret; rte_delay_us(20000); ret = rxp_poll_csr_for_value(ctx, &ctrl, MLX5_RXP_CSR_STATUS, MLX5_RXP_CSR_STATUS_INIT_DONE, @@ -568,7 +716,8 @@ rxp_init_eng(struct mlx5_regex_priv *priv, uint8_t id) ctrl); if (ret) return ret; - ret = rxp_init_rtru(ctx, id, MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_IM_L1_L2); + ret = rxp_init_rtru(priv, id, + MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_IM_L1_L2); if (ret) return ret; ret = mlx5_devx_regex_register_read(ctx, id, MLX5_RXP_CSR_CAPABILITY_5, @@ -594,285 +743,6 @@ rxp_init_eng(struct mlx5_regex_priv *priv, uint8_t id) return ret; } -static int -write_private_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, - uint8_t id) -{ - unsigned int pending; - uint32_t block, reg, val, rule_cnt, rule_offset, rtru_max_num_entries; - int ret = 1; - - if (priv->prog_mode == MLX5_RXP_MODE_NOT_DEFINED) - return -EINVAL; - if (rules->hdr.len == 0 || rules->hdr.cmd < MLX5_RXP_CTL_RULES_PGM || - rules->hdr.cmd > MLX5_RXP_CTL_RULES_PGM_INCR) - return -EINVAL; - /* For a non-incremental rules program, re-init the RXP. */ - if (rules->hdr.cmd == MLX5_RXP_CTL_RULES_PGM) { - ret = rxp_init_eng(priv, id); - if (ret < 0) - return ret; - } else if (rules->hdr.cmd == MLX5_RXP_CTL_RULES_PGM_INCR) { - /* Flush RXP L1 and L2 cache by using MODE_L1_L2. */ - ret = rxp_init_rtru(priv->ctx, id, - MLX5_RXP_RTRU_CSR_CTRL_INIT_MODE_L1_L2); - if (ret < 0) - return ret; - } - if (rules->count == 0) - return -EINVAL; - /* Confirm the RXP is initialised. */ - if (mlx5_devx_regex_register_read(priv->ctx, id, - MLX5_RXP_CSR_STATUS, &val)) { - DRV_LOG(ERR, "Failed to read from RXP!"); - return -ENODEV; - } - if (!(val & MLX5_RXP_CSR_STATUS_INIT_DONE)) { - DRV_LOG(ERR, "RXP not initialised..."); - return -EBUSY; - } - /* Get the RTRU maximum number of entries allowed. */ - if (mlx5_devx_regex_register_read(priv->ctx, id, - MLX5_RXP_RTRU_CSR_CAPABILITY, &rtru_max_num_entries)) { - DRV_LOG(ERR, "Failed to read RTRU capability!"); - return -ENODEV; - } - rtru_max_num_entries = (rtru_max_num_entries & 0x00FF); - rule_cnt = 0; - pending = 0; - while (rules->count > 0) { - if ((rules->rules[rule_cnt].type == MLX5_RXP_ROF_ENTRY_INST) || - (rules->rules[rule_cnt].type == MLX5_RXP_ROF_ENTRY_IM) || - (rules->rules[rule_cnt].type == MLX5_RXP_ROF_ENTRY_EM)) { - if ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_EM) && - (priv->prog_mode == MLX5_RXP_SHARED_PROG_MODE)) { - /* Skip EM rules programming. */ - if (pending > 0) { - /* Flush any rules that are pending. */ - rule_offset = (rule_cnt - pending); - ret = rxp_flush_rules(priv->ctx, - &rules->rules[rule_offset], - pending, id); - if (ret < 0) { - DRV_LOG(ERR, "Flushing rules."); - return -ENODEV; - } - pending = 0; - } - rule_cnt++; - } else { - pending++; - rule_cnt++; - /* - * If parsing the last rule, or if reached the - * maximum number of rules for this batch, then - * flush the rules batch to the RXP. - */ - if ((rules->count == 1) || - (pending == rtru_max_num_entries)) { - rule_offset = (rule_cnt - pending); - ret = rxp_flush_rules(priv->ctx, - &rules->rules[rule_offset], - pending, id); - if (ret < 0) { - DRV_LOG(ERR, "Flushing rules."); - return -ENODEV; - } - pending = 0; - } - } - } else if ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_EQ) || - (rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_GTE) || - (rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_LTE) || - (rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_CHECKSUM) || - (rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_CHECKSUM_EX_EM)) { - if (pending) { - /* Flush rules before checking reg values. */ - rule_offset = (rule_cnt - pending); - ret = rxp_flush_rules(priv->ctx, - &rules->rules[rule_offset], - pending, id); - if (ret < 0) { - DRV_LOG(ERR, "Failed to flush rules."); - return -ENODEV; - } - } - block = (rules->rules[rule_cnt].addr >> 16) & 0xFFFF; - if (block == 0) - reg = MLX5_RXP_CSR_BASE_ADDRESS; - else if (block == 1) - reg = MLX5_RXP_RTRU_CSR_BASE_ADDRESS; - else { - DRV_LOG(ERR, "Invalid ROF register 0x%08X!", - rules->rules[rule_cnt].addr); - return -EINVAL; - } - reg += (rules->rules[rule_cnt].addr & 0xFFFF) * - MLX5_RXP_CSR_WIDTH; - ret = mlx5_devx_regex_register_read(priv->ctx, id, - reg, &val); - if (ret) { - DRV_LOG(ERR, "RXP CSR read failed!"); - return ret; - } - if ((priv->prog_mode == MLX5_RXP_SHARED_PROG_MODE) && - ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_CHECKSUM_EX_EM) && - (val != rules->rules[rule_cnt].value))) { - DRV_LOG(ERR, "Unexpected value for register:"); - DRV_LOG(ERR, "reg %x" PRIu32 " got %x" PRIu32, - rules->rules[rule_cnt].addr, val); - DRV_LOG(ERR, "expected %" PRIx64 ".", - rules->rules[rule_cnt].value); - return -EINVAL; - } else if ((priv->prog_mode == - MLX5_RXP_PRIVATE_PROG_MODE) && - (rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_CHECKSUM) && - (val != rules->rules[rule_cnt].value)) { - DRV_LOG(ERR, "Unexpected value for register:"); - DRV_LOG(ERR, "reg %x" PRIu32 " got %x" PRIu32, - rules->rules[rule_cnt].addr, val); - DRV_LOG(ERR, "expected %" PRIx64 ".", - rules->rules[rule_cnt].value); - return -EINVAL; - } else if ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_EQ) && - (val != rules->rules[rule_cnt].value)) { - DRV_LOG(ERR, "Unexpected value for register:"); - DRV_LOG(ERR, "reg %x" PRIu32 " got %x" PRIu32, - rules->rules[rule_cnt].addr, val); - DRV_LOG(ERR, "expected %" PRIx64 ".", - rules->rules[rule_cnt].value); - return -EINVAL; - } else if ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_GTE) && - (val < rules->rules[rule_cnt].value)) { - DRV_LOG(ERR, "Unexpected value reg 0x%08X,", - rules->rules[rule_cnt].addr); - DRV_LOG(ERR, "got %X, expected >= %" PRIx64 ".", - val, rules->rules[rule_cnt].value); - return -EINVAL; - } else if ((rules->rules[rule_cnt].type == - MLX5_RXP_ROF_ENTRY_LTE) && - (val > rules->rules[rule_cnt].value)) { - DRV_LOG(ERR, "Unexpected value reg 0x%08X,", - rules->rules[rule_cnt].addr); - DRV_LOG(ERR, "got %08X expected <= %" PRIx64, - val, rules->rules[rule_cnt].value); - return -EINVAL; - } - rule_cnt++; - pending = 0; - } else { - DRV_LOG(ERR, "Error: Invalid rule type %d!", - rules->rules[rule_cnt].type); - return -EINVAL; - } - rules->count--; - } - return ret; -} - -/* - * Shared memory programming mode, here all external db instructions are written - * to EM via the host. - */ -static int -write_shared_rules(struct mlx5_regex_priv *priv, - struct mlx5_rxp_ctl_rules_pgm *rules, uint32_t count, - uint8_t db_to_program) -{ - uint32_t rule_cnt, rof_rule_addr; - uint64_t tmp_write_swap[4]; - - if (priv->prog_mode == MLX5_RXP_MODE_NOT_DEFINED) - return -EINVAL; - if ((rules->count == 0) || (count == 0)) - return -EINVAL; - rule_cnt = 0; - /* - * Note the following section of code carries out a 32byte swap of - * instruction to coincide with HW 32byte swap. This may need removed - * in new variants of this programming function! - */ - while (rule_cnt < rules->count) { - if ((rules->rules[rule_cnt].type == MLX5_RXP_ROF_ENTRY_EM) && - (priv->prog_mode == MLX5_RXP_SHARED_PROG_MODE)) { - /* - * Note there are always blocks of 8 instructions for - * 7's written sequentially. However there is no - * guarantee that all blocks are sequential! - */ - if (count >= (rule_cnt + MLX5_RXP_INST_BLOCK_SIZE)) { - /* - * Ensure memory write not exceeding boundary - * Check essential to ensure 0x10000 offset - * accounted for! - */ - if ((uint8_t *)((uint8_t *) - priv->db[db_to_program].ptr + - ((rules->rules[rule_cnt + 7].addr << - MLX5_RXP_INST_OFFSET))) >= - ((uint8_t *)((uint8_t *) - priv->db[db_to_program].ptr + - MLX5_MAX_DB_SIZE))) { - DRV_LOG(ERR, "DB exceeded memory!"); - return -ENODEV; - } - /* - * Rule address Offset to align with RXP - * external instruction offset. - */ - rof_rule_addr = (rules->rules[rule_cnt].addr << - MLX5_RXP_INST_OFFSET); - /* 32 byte instruction swap (sw work around)! */ - tmp_write_swap[0] = le64toh( - rules->rules[(rule_cnt + 4)].value); - tmp_write_swap[1] = le64toh( - rules->rules[(rule_cnt + 5)].value); - tmp_write_swap[2] = le64toh( - rules->rules[(rule_cnt + 6)].value); - tmp_write_swap[3] = le64toh( - rules->rules[(rule_cnt + 7)].value); - /* Write only 4 of the 8 instructions. */ - memcpy((uint8_t *)((uint8_t *) - priv->db[db_to_program].ptr + - rof_rule_addr), &tmp_write_swap, - (sizeof(uint64_t) * 4)); - /* Write 1st 4 rules of block after last 4. */ - rof_rule_addr = (rules->rules[ - (rule_cnt + 4)].addr << - MLX5_RXP_INST_OFFSET); - tmp_write_swap[0] = le64toh( - rules->rules[(rule_cnt + 0)].value); - tmp_write_swap[1] = le64toh( - rules->rules[(rule_cnt + 1)].value); - tmp_write_swap[2] = le64toh( - rules->rules[(rule_cnt + 2)].value); - tmp_write_swap[3] = le64toh( - rules->rules[(rule_cnt + 3)].value); - memcpy((uint8_t *)((uint8_t *) - priv->db[db_to_program].ptr + - rof_rule_addr), &tmp_write_swap, - (sizeof(uint64_t) * 4)); - } else - return -1; - /* Fast forward as already handled block of 8. */ - rule_cnt += MLX5_RXP_INST_BLOCK_SIZE; - } else - rule_cnt++; /* Must be something other than EM rule. */ - } - return 0; -} - static int rxp_db_setup(struct mlx5_regex_priv *priv) { @@ -881,7 +751,7 @@ rxp_db_setup(struct mlx5_regex_priv *priv) /* Setup database memories for both RXP engines + reprogram memory. */ for (i = 0; i < (priv->nb_engines + MLX5_RXP_EM_COUNT); i++) { - priv->db[i].ptr = rte_malloc("", MLX5_MAX_DB_SIZE, 0); + priv->db[i].ptr = rte_malloc("", MLX5_MAX_DB_SIZE, 1 << 21); if (!priv->db[i].ptr) { DRV_LOG(ERR, "Failed to alloc db memory!"); ret = ENODEV; @@ -920,8 +790,9 @@ mlx5_regex_rules_db_import(struct rte_regexdev *dev, { struct mlx5_regex_priv *priv = dev->data->dev_private; struct mlx5_rxp_ctl_rules_pgm *rules = NULL; - uint8_t id; + uint32_t id; int ret; + uint32_t ver; if (priv->prog_mode == MLX5_RXP_MODE_NOT_DEFINED) { DRV_LOG(ERR, "RXP programming mode not set!"); @@ -933,10 +804,10 @@ mlx5_regex_rules_db_import(struct rte_regexdev *dev, } if (rule_db_len == 0) return -EINVAL; - ret = rxp_parse_rof(rule_db, rule_db_len, &rules); - if (ret) { - DRV_LOG(ERR, "Can't parse ROF file."); - return ret; + if (mlx5_devx_regex_register_read(priv->ctx, 0, + MLX5_RXP_CSR_BASE_ADDRESS, &ver)) { + DRV_LOG(ERR, "Failed to read Main CSRs Engine 0!"); + return -1; } /* Need to ensure RXP not busy before stop! */ for (id = 0; id < priv->nb_engines; id++) { @@ -946,7 +817,7 @@ mlx5_regex_rules_db_import(struct rte_regexdev *dev, ret = -ENODEV; goto tidyup_error; } - ret = program_rxp_rules(priv, rules, id); + ret = program_rxp_rules(priv, rule_db, rule_db_len, id); if (ret < 0) { DRV_LOG(ERR, "Failed to program rxp rules."); ret = -ENODEV;