Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Yuval Mintz | 873 | 87.83% | 1 | 10.00% |
Tomer Tayar | 72 | 7.24% | 3 | 30.00% |
Manish Rangankar | 22 | 2.21% | 1 | 10.00% |
Ram Amrani | 18 | 1.81% | 2 | 20.00% |
Shai Malin | 4 | 0.40% | 1 | 10.00% |
Arnd Bergmann | 3 | 0.30% | 1 | 10.00% |
Thomas Gleixner | 2 | 0.20% | 1 | 10.00% |
Total | 994 | 10 |
// SPDX-License-Identifier: GPL-2.0-only /* QLogic FCoE Offload Driver * Copyright (c) 2016-2018 Cavium Inc. */ #include "drv_fcoe_fw_funcs.h" #include "drv_scsi_fw_funcs.h" #define FCOE_RX_ID (0xFFFFu) static inline void init_common_sqe(struct fcoe_task_params *task_params, enum fcoe_sqe_request_type request_type) { memset(task_params->sqe, 0, sizeof(*(task_params->sqe))); SET_FIELD(task_params->sqe->flags, FCOE_WQE_REQ_TYPE, request_type); task_params->sqe->task_id = task_params->itid; } int init_initiator_rw_fcoe_task(struct fcoe_task_params *task_params, struct scsi_sgl_task_params *sgl_task_params, struct regpair sense_data_buffer_phys_addr, u32 task_retry_id, u8 fcp_cmd_payload[32]) { struct fcoe_task_context *ctx = task_params->context; const u8 val_byte = ctx->ystorm_ag_context.byte0; struct ustorm_fcoe_task_ag_ctx *u_ag_ctx; struct ystorm_fcoe_task_st_ctx *y_st_ctx; struct tstorm_fcoe_task_st_ctx *t_st_ctx; struct mstorm_fcoe_task_st_ctx *m_st_ctx; u32 io_size, val; bool slow_sgl; memset(ctx, 0, sizeof(*(ctx))); ctx->ystorm_ag_context.byte0 = val_byte; slow_sgl = scsi_is_slow_sgl(sgl_task_params->num_sges, sgl_task_params->small_mid_sge); io_size = (task_params->task_type == FCOE_TASK_TYPE_WRITE_INITIATOR ? task_params->tx_io_size : task_params->rx_io_size); /* Ystorm ctx */ y_st_ctx = &ctx->ystorm_st_context; y_st_ctx->data_2_trns_rem = cpu_to_le32(io_size); y_st_ctx->task_rety_identifier = cpu_to_le32(task_retry_id); y_st_ctx->task_type = (u8)task_params->task_type; memcpy(&y_st_ctx->tx_info_union.fcp_cmd_payload, fcp_cmd_payload, sizeof(struct fcoe_fcp_cmd_payload)); /* Tstorm ctx */ t_st_ctx = &ctx->tstorm_st_context; t_st_ctx->read_only.dev_type = (u8)(task_params->is_tape_device == 1 ? FCOE_TASK_DEV_TYPE_TAPE : FCOE_TASK_DEV_TYPE_DISK); t_st_ctx->read_only.cid = cpu_to_le32(task_params->conn_cid); val = cpu_to_le32(task_params->cq_rss_number); t_st_ctx->read_only.glbl_q_num = val; t_st_ctx->read_only.fcp_cmd_trns_size = cpu_to_le32(io_size); t_st_ctx->read_only.task_type = (u8)task_params->task_type; SET_FIELD(t_st_ctx->read_write.flags, FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1); t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID); /* Ustorm ctx */ u_ag_ctx = &ctx->ustorm_ag_context; u_ag_ctx->global_cq_num = cpu_to_le32(task_params->cq_rss_number); /* Mstorm buffer for sense/rsp data placement */ m_st_ctx = &ctx->mstorm_st_context; val = cpu_to_le32(sense_data_buffer_phys_addr.hi); m_st_ctx->rsp_buf_addr.hi = val; val = cpu_to_le32(sense_data_buffer_phys_addr.lo); m_st_ctx->rsp_buf_addr.lo = val; if (task_params->task_type == FCOE_TASK_TYPE_WRITE_INITIATOR) { /* Ystorm ctx */ y_st_ctx->expect_first_xfer = 1; /* Set the amount of super SGEs. Can be up to 4. */ SET_FIELD(y_st_ctx->sgl_mode, YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL)); init_scsi_sgl_context(&y_st_ctx->sgl_params, &y_st_ctx->data_desc, sgl_task_params); /* Mstorm ctx */ SET_FIELD(m_st_ctx->flags, MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL)); m_st_ctx->sgl_params.sgl_num_sges = cpu_to_le16(sgl_task_params->num_sges); } else { /* Tstorm ctx */ SET_FIELD(t_st_ctx->read_write.flags, FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE, (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL)); /* Mstorm ctx */ m_st_ctx->data_2_trns_rem = cpu_to_le32(io_size); init_scsi_sgl_context(&m_st_ctx->sgl_params, &m_st_ctx->data_desc, sgl_task_params); } /* Init Sqe */ init_common_sqe(task_params, SEND_FCOE_CMD); return 0; } int init_initiator_midpath_unsolicited_fcoe_task( struct fcoe_task_params *task_params, struct fcoe_tx_mid_path_params *mid_path_fc_header, struct scsi_sgl_task_params *tx_sgl_task_params, struct scsi_sgl_task_params *rx_sgl_task_params, u8 fw_to_place_fc_header) { struct fcoe_task_context *ctx = task_params->context; const u8 val_byte = ctx->ystorm_ag_context.byte0; struct ustorm_fcoe_task_ag_ctx *u_ag_ctx; struct ystorm_fcoe_task_st_ctx *y_st_ctx; struct tstorm_fcoe_task_st_ctx *t_st_ctx; struct mstorm_fcoe_task_st_ctx *m_st_ctx; u32 val; memset(ctx, 0, sizeof(*(ctx))); ctx->ystorm_ag_context.byte0 = val_byte; /* Init Ystorm */ y_st_ctx = &ctx->ystorm_st_context; init_scsi_sgl_context(&y_st_ctx->sgl_params, &y_st_ctx->data_desc, tx_sgl_task_params); SET_FIELD(y_st_ctx->sgl_mode, YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, SCSI_FAST_SGL); y_st_ctx->data_2_trns_rem = cpu_to_le32(task_params->tx_io_size); y_st_ctx->task_type = (u8)task_params->task_type; memcpy(&y_st_ctx->tx_info_union.tx_params.mid_path, mid_path_fc_header, sizeof(struct fcoe_tx_mid_path_params)); /* Init Mstorm */ m_st_ctx = &ctx->mstorm_st_context; init_scsi_sgl_context(&m_st_ctx->sgl_params, &m_st_ctx->data_desc, rx_sgl_task_params); SET_FIELD(m_st_ctx->flags, MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER, fw_to_place_fc_header); m_st_ctx->data_2_trns_rem = cpu_to_le32(task_params->rx_io_size); /* Init Tstorm */ t_st_ctx = &ctx->tstorm_st_context; t_st_ctx->read_only.cid = cpu_to_le32(task_params->conn_cid); val = cpu_to_le32(task_params->cq_rss_number); t_st_ctx->read_only.glbl_q_num = val; t_st_ctx->read_only.task_type = (u8)task_params->task_type; SET_FIELD(t_st_ctx->read_write.flags, FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1); t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID); /* Init Ustorm */ u_ag_ctx = &ctx->ustorm_ag_context; u_ag_ctx->global_cq_num = cpu_to_le32(task_params->cq_rss_number); /* Init SQE */ init_common_sqe(task_params, SEND_FCOE_MIDPATH); task_params->sqe->additional_info_union.burst_length = tx_sgl_task_params->total_buffer_size; SET_FIELD(task_params->sqe->flags, FCOE_WQE_NUM_SGES, tx_sgl_task_params->num_sges); SET_FIELD(task_params->sqe->flags, FCOE_WQE_SGL_MODE, SCSI_FAST_SGL); return 0; } int init_initiator_abort_fcoe_task(struct fcoe_task_params *task_params) { init_common_sqe(task_params, SEND_FCOE_ABTS_REQUEST); return 0; } int init_initiator_cleanup_fcoe_task(struct fcoe_task_params *task_params) { init_common_sqe(task_params, FCOE_EXCHANGE_CLEANUP); return 0; } int init_initiator_sequence_recovery_fcoe_task( struct fcoe_task_params *task_params, u32 desired_offset) { init_common_sqe(task_params, FCOE_SEQUENCE_RECOVERY); task_params->sqe->additional_info_union.seq_rec_updated_offset = desired_offset; return 0; }
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