diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qedf/Makefile | 2 | ||||
| -rw-r--r-- | drivers/scsi/qedf/drv_fcoe_fw_funcs.c | 190 | ||||
| -rw-r--r-- | drivers/scsi/qedf/drv_fcoe_fw_funcs.h | 93 | ||||
| -rw-r--r-- | drivers/scsi/qedf/drv_scsi_fw_funcs.c | 44 | ||||
| -rw-r--r-- | drivers/scsi/qedf/drv_scsi_fw_funcs.h | 85 | ||||
| -rw-r--r-- | drivers/scsi/qedf/qedf.h | 23 | ||||
| -rw-r--r-- | drivers/scsi/qedf/qedf_els.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/qedf/qedf_io.c | 670 | ||||
| -rw-r--r-- | drivers/scsi/qedi/Makefile | 2 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_fw.c | 1068 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_fw_api.c | 781 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_fw_iscsi.h | 117 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_fw_scsi.h | 55 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_iscsi.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_iscsi.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qedi/qedi_version.h | 4 |
16 files changed, 2104 insertions, 1069 deletions
diff --git a/drivers/scsi/qedf/Makefile b/drivers/scsi/qedf/Makefile index 64e9f507ce32..414f2a772a5f 100644 --- a/drivers/scsi/qedf/Makefile +++ b/drivers/scsi/qedf/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_QEDF) := qedf.o qedf-y = qedf_dbg.o qedf_main.o qedf_io.o qedf_fip.o \ - qedf_attr.o qedf_els.o + qedf_attr.o qedf_els.o drv_scsi_fw_funcs.o drv_fcoe_fw_funcs.o qedf-$(CONFIG_DEBUG_FS) += qedf_debugfs.o diff --git a/drivers/scsi/qedf/drv_fcoe_fw_funcs.c b/drivers/scsi/qedf/drv_fcoe_fw_funcs.c new file mode 100644 index 000000000000..8c65e3b034dc --- /dev/null +++ b/drivers/scsi/qedf/drv_fcoe_fw_funcs.c @@ -0,0 +1,190 @@ +/* QLogic FCoE Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ +#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; + struct ystorm_fcoe_task_st_ctx *y_st_ctx; + struct tstorm_fcoe_task_st_ctx *t_st_ctx; + struct ustorm_fcoe_task_ag_ctx *u_ag_ctx; + struct mstorm_fcoe_task_st_ctx *m_st_ctx; + u32 io_size, val; + bool slow_sgl; + + memset(ctx, 0, sizeof(*(ctx))); + 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 = 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 = (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 = 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)); + } 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_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; + struct ystorm_fcoe_task_st_ctx *y_st_ctx; + struct tstorm_fcoe_task_st_ctx *t_st_ctx; + struct ustorm_fcoe_task_ag_ctx *u_ag_ctx; + struct mstorm_fcoe_task_st_ctx *m_st_ctx; + u32 val; + + memset(ctx, 0, sizeof(*(ctx))); + + /* 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 = 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 = 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 off) +{ + init_common_sqe(task_params, FCOE_SEQUENCE_RECOVERY); + task_params->sqe->additional_info_union.seq_rec_updated_offset = off; + return 0; +} diff --git a/drivers/scsi/qedf/drv_fcoe_fw_funcs.h b/drivers/scsi/qedf/drv_fcoe_fw_funcs.h new file mode 100644 index 000000000000..617529b058f4 --- /dev/null +++ b/drivers/scsi/qedf/drv_fcoe_fw_funcs.h @@ -0,0 +1,93 @@ +/* QLogic FCoE Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ +#ifndef _FCOE_FW_FUNCS_H +#define _FCOE_FW_FUNCS_H +#include "drv_scsi_fw_funcs.h" +#include "qedf_hsi.h" +#include <linux/qed/qed_if.h> + +struct fcoe_task_params { + /* Output parameter [set/filled by the HSI function] */ + struct fcoe_task_context *context; + + /* Output parameter [set/filled by the HSI function] */ + struct fcoe_wqe *sqe; + enum fcoe_task_type task_type; + u32 tx_io_size; /* in bytes */ + u32 rx_io_size; /* in bytes */ + u32 conn_cid; + u16 itid; + u8 cq_rss_number; + + /* Whether it's Tape device or not (0=Disk, 1=Tape) */ + u8 is_tape_device; +}; + +/** + * @brief init_initiator_rw_fcoe_task - Initializes FCoE task context for + * read/write task types and init fcoe_sqe + * + * @param task_params - Pointer to task parameters struct + * @param sgl_task_params - Pointer to SGL task params + * @param sense_data_buffer_phys_addr - Pointer to sense data buffer + * @param task_retry_id - retry identification - Used only for Tape device + * @param fcp_cmnd_payload - FCP CMD Payload + */ +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]); + +/** + * @brief init_initiator_midpath_fcoe_task - Initializes FCoE task context for + * midpath/unsolicited task types and init fcoe_sqe + * + * @param task_params - Pointer to task parameters struct + * @param mid_path_fc_header - FC header + * @param tx_sgl_task_params - Pointer to Tx SGL task params + * @param rx_sgl_task_params - Pointer to Rx SGL task params + * @param fw_to_place_fc_header - Indication if the FW will place the FC header + * in addition to the data arrives. + */ +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); + +/** + * @brief init_initiator_abort_fcoe_task - Initializes FCoE task context for + * abort task types and init fcoe_sqe + * + * @param task_params - Pointer to task parameters struct + */ +int init_initiator_abort_fcoe_task(struct fcoe_task_params *task_params); + +/** + * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for + * cleanup task types and init fcoe_sqe + * + * + * @param task_params - Pointer to task parameters struct + */ +int init_initiator_cleanup_fcoe_task(struct fcoe_task_params *task_params); + +/** + * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for + * sequence recovery task types and init fcoe_sqe + * + * + * @param task_params - Pointer to task parameters struct + * @param desired_offset - The desired offest the task will be re-sent from + */ +int init_initiator_sequence_recovery_fcoe_task( + struct fcoe_task_params *task_params, + u32 desired_offset); +#endif diff --git a/drivers/scsi/qedf/drv_scsi_fw_funcs.c b/drivers/scsi/qedf/drv_scsi_fw_funcs.c new file mode 100644 index 000000000000..11e0cc082ec0 --- /dev/null +++ b/drivers/scsi/qedf/drv_scsi_fw_funcs.c @@ -0,0 +1,44 @@ +/* QLogic FCoE Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ +#include "drv_scsi_fw_funcs.h" + +#define SCSI_NUM_SGES_IN_CACHE 0x4 + +bool scsi_is_slow_sgl(u16 num_sges, bool small_mid_sge) +{ + return (num_sges > SCSI_NUM_SGES_SLOW_SGL_THR && small_mid_sge); +} + +void init_scsi_sgl_context(struct scsi_sgl_params *ctx_sgl_params, + struct scsi_cached_sges *ctx_data_desc, + struct scsi_sgl_task_params *sgl_task_params) +{ + /* no need to check for sgl_task_params->sgl validity */ + u8 num_sges_to_init = sgl_task_params->num_sges > + SCSI_NUM_SGES_IN_CACHE ? SCSI_NUM_SGES_IN_CACHE : + sgl_task_params->num_sges; + u8 sge_index; + u32 val; + + val = cpu_to_le32(sgl_task_params->sgl_phys_addr.lo); + ctx_sgl_params->sgl_addr.lo = val; + val = cpu_to_le32(sgl_task_params->sgl_phys_addr.hi); + ctx_sgl_params->sgl_addr.hi = val; + val = cpu_to_le32(sgl_task_params->total_buffer_size); + ctx_sgl_params->sgl_total_length = val; + ctx_sgl_params->sgl_num_sges = cpu_to_le16(sgl_task_params->num_sges); + + for (sge_index = 0; sge_index < num_sges_to_init; sge_index++) { + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_addr.lo); + ctx_data_desc->sge[sge_index].sge_addr.lo = val; + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_addr.hi); + ctx_data_desc->sge[sge_index].sge_addr.hi = val; + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_len); + ctx_data_desc->sge[sge_index].sge_len = val; + } +} diff --git a/drivers/scsi/qedf/drv_scsi_fw_funcs.h b/drivers/scsi/qedf/drv_scsi_fw_funcs.h new file mode 100644 index 000000000000..9cb45410bc45 --- /dev/null +++ b/drivers/scsi/qedf/drv_scsi_fw_funcs.h @@ -0,0 +1,85 @@ +/* QLogic FCoE Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ +#ifndef _SCSI_FW_FUNCS_H +#define _SCSI_FW_FUNCS_H +#include <linux/qed/common_hsi.h> +#include <linux/qed/storage_common.h> +#include <linux/qed/fcoe_common.h> + +struct scsi_sgl_task_params { + struct scsi_sge *sgl; + struct regpair sgl_phys_addr; + u32 total_buffer_size; + u16 num_sges; + + /* true if SGL contains a small (< 4KB) SGE in middle(not 1st or last) + * -> relevant for tx only + */ + bool small_mid_sge; +}; + +struct scsi_dif_task_params { + u32 initial_ref_tag; + bool initial_ref_tag_is_valid; + u16 application_tag; + u16 application_tag_mask; + u16 dif_block_size_log; + bool dif_on_network; + bool dif_on_host; + u8 host_guard_type; + u8 protection_type; + u8 ref_tag_mask; + bool crc_seed; + + /* Enable Connection error upon DIF error (segments with DIF errors are + * dropped) + */ + bool tx_dif_conn_err_en; + bool ignore_app_tag; + bool keep_ref_tag_const; + bool validate_guard; + bool validate_app_tag; + bool validate_ref_tag; + bool forward_guard; + bool forward_app_tag; + bool forward_ref_tag; + bool forward_app_tag_with_mask; + bool forward_ref_tag_with_mask; +}; + +struct scsi_initiator_cmd_params { + /* for cdb_size > default CDB size (extended CDB > 16 bytes) -> + * pointer to the CDB buffer SGE + */ + struct scsi_sge extended_cdb_sge; + + /* Physical address of sense data buffer for sense data - 256B buffer */ + struct regpair sense_data_buffer_phys_addr; +}; + +/** + * @brief scsi_is_slow_sgl - checks for slow SGL + * + * @param num_sges - number of sges in SGL + * @param small_mid_sge - True is the SGL contains an SGE which is smaller than + * 4KB and its not the 1st or last SGE in the SGL + */ +bool scsi_is_slow_sgl(u16 num_sges, bool small_mid_sge); + +/** + * @brief init_scsi_sgl_context - initializes SGL task context + * + * @param sgl_params - SGL context parameters to initialize (output parameter) + * @param data_desc - context struct containing SGEs array to set (output + * parameter) + * @param sgl_task_params - SGL parameters (input) + */ +void init_scsi_sgl_context(struct scsi_sgl_params *sgl_params, + struct scsi_cached_sges *ctx_data_desc, + struct scsi_sgl_task_params *sgl_task_params); +#endif diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index 96346a1b1515..40aeb6bb96a2 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -26,6 +26,7 @@ #include <linux/qed/qed_ll2_if.h> #include "qedf_version.h" #include "qedf_dbg.h" +#include "drv_fcoe_fw_funcs.h" /* Helpers to extract upper and lower 32-bits of pointer */ #define U64_HI(val) ((u32)(((u64)(val)) >> 32)) @@ -59,19 +60,17 @@ #define UPSTREAM_KEEP 1 struct qedf_mp_req { - uint8_t tm_flags; - uint32_t req_len; void *req_buf; dma_addr_t req_buf_dma; - struct fcoe_sge *mp_req_bd; + struct scsi_sge *mp_req_bd; dma_addr_t mp_req_bd_dma; struct fc_frame_header req_fc_hdr; uint32_t resp_len; void *resp_buf; dma_addr_t resp_buf_dma; - struct fcoe_sge *mp_resp_bd; + struct scsi_sge *mp_resp_bd; dma_addr_t mp_resp_bd_dma; struct fc_frame_header resp_fc_hdr; }; @@ -119,6 +118,7 @@ struct qedf_ioreq { #define QEDF_CMD_IN_CLEANUP 0x2 #define QEDF_CMD_SRR_SENT 0x3 u8 io_req_flags; + uint8_t tm_flags; struct qedf_rport *fcport; unsigned long flags; enum qedf_ioreq_event event; @@ -130,6 +130,8 @@ struct qedf_ioreq { struct completion tm_done; struct completion abts_done; struct fcoe_task_context *task; + struct fcoe_task_params *task_params; + struct scsi_sgl_task_params *sgl_task_params; int idx; /* * Need to allocate enough room for both sense data and FCP response data @@ -199,8 +201,8 @@ struct qedf_rport { dma_addr_t sq_pbl_dma; u32 sq_pbl_size; u32 sid; -#define QEDF_RPORT_TYPE_DISK 1 -#define QEDF_RPORT_TYPE_TAPE 2 +#define QEDF_RPORT_TYPE_DISK 0 +#define QEDF_RPORT_TYPE_TAPE 1 uint dev_type; /* Disk or tape */ struct list_head peers; }; @@ -391,7 +393,7 @@ struct qedf_ctx { struct io_bdt { struct qedf_ioreq *io_req; - struct fcoe_sge *bd_tbl; + struct scsi_sge *bd_tbl; dma_addr_t bd_tbl_dma; u16 bd_valid; }; @@ -400,7 +402,7 @@ struct qedf_cmd_mgr { struct qedf_ctx *qedf; u16 idx; struct io_bdt **io_bdt_pool; -#define FCOE_PARAMS_NUM_TASKS 4096 +#define FCOE_PARAMS_NUM_TASKS 2048 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; spinlock_t lock; atomic_t free_list_cnt; @@ -465,9 +467,8 @@ extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, unsigned int timer_msec); extern int qedf_init_mp_req(struct qedf_ioreq *io_req); extern void qedf_init_mp_task(struct qedf_ioreq *io_req, - struct fcoe_task_context *task_ctx); -extern void qedf_add_to_sq(struct qedf_rport *fcport, u16 xid, - u32 ptu_invalidate, enum fcoe_task_type req_type, u32 offset); + struct fcoe_task_context *task_ctx, struct fcoe_wqe *wqe); +extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); extern void qedf_ring_doorbell(struct qedf_rport *fcport); extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, struct qedf_ioreq *els_req); diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c index 59f3e5c73a13..c505d41f6dc8 100644 --- a/drivers/scsi/qedf/qedf_els.c +++ b/drivers/scsi/qedf/qedf_els.c @@ -25,6 +25,9 @@ static int qedf_initiate_els(struct qedf_rport *fcport, unsigned int op, uint16_t xid; uint32_t start_time = jiffies / HZ; uint32_t current_time; + struct fcoe_wqe *sqe; + unsigned long flags; + u16 sqe_idx; QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS, "Sending ELS\n"); @@ -113,20 +116,25 @@ retry_els: /* Obtain exchange id */ xid = els_req->xid; + spin_lock_irqsave(&fcport->rport_lock, flags); + + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + /* Initialize task context for this IO request */ task = qedf_get_task_mem(&qedf->tasks, xid); - qedf_init_mp_task(els_req, task); + qedf_init_mp_task(els_req, task, sqe); /* Put timer on original I/O request */ if (timer_msec) qedf_cmd_timer_set(qedf, els_req, timer_msec); - qedf_add_to_sq(fcport, xid, 0, FCOE_TASK_TYPE_MIDPATH, 0); - /* Ring doorbell */ QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_ELS, "Ringing doorbell for ELS " "req\n"); qedf_ring_doorbell(fcport); + spin_unlock_irqrestore(&fcport->rport_lock, flags); els_err: return rc; } @@ -604,6 +612,8 @@ static void qedf_initiate_seq_cleanup(struct qedf_ioreq *orig_io_req, struct qedf_rport *fcport; unsigned long flags; struct qedf_els_cb_arg *cb_arg; + struct fcoe_wqe *sqe; + u16 sqe_idx; fcport = orig_io_req->fcport; @@ -631,8 +641,13 @@ static void qedf_initiate_seq_cleanup(struct qedf_ioreq *orig_io_req, spin_lock_irqsave(&fcport->rport_lock, flags); - qedf_add_to_sq(fcport, orig_io_req->xid, 0, - FCOE_TASK_TYPE_SEQUENCE_CLEANUP, offset); + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + orig_io_req->task_params->sqe = sqe; + + init_initiator_sequence_recovery_fcoe_task(orig_io_req->task_params, + offset); qedf_ring_doorbell(fcport); spin_unlock_irqrestore(&fcport->rport_lock, flags); diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 46debe5034af..1d7f90d0adc1 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -96,7 +96,7 @@ void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr) if (!cmgr->io_bdt_pool) goto free_cmd_pool; - bd_tbl_sz = QEDF_MAX_BDS_PER_CMD * sizeof(struct fcoe_sge); + bd_tbl_sz = QEDF_MAX_BDS_PER_CMD * sizeof(struct scsi_sge); for (i = 0; i < num_ios; i++) { bdt_info = cmgr->io_bdt_pool[i]; if (bdt_info->bd_tbl) { @@ -119,6 +119,8 @@ free_cmd_pool: for (i = 0; i < num_ios; i++) { io_req = &cmgr->cmds[i]; + kfree(io_req->sgl_task_params); + kfree(io_req->task_params); /* Make sure we free per command sense buffer */ if (io_req->sense_buffer) dma_free_coherent(&qedf->pdev->dev, @@ -178,7 +180,7 @@ struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf) spin_lock_init(&cmgr->lock); /* - * Initialize list of qedf_ioreq. + * Initialize I/O request fields. */ xid = QEDF_MIN_XID; @@ -196,6 +198,29 @@ struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf) GFP_KERNEL); if (!io_req->sense_buffer) goto mem_err; + + /* Allocate task parameters to pass to f/w init funcions */ + io_req->task_params = kzalloc(sizeof(*io_req->task_params), + GFP_KERNEL); + if (!io_req->task_params) { + QEDF_ERR(&(qedf->dbg_ctx), + "Failed to allocate task_params for xid=0x%x\n", + i); + goto mem_err; + } + + /* + * Allocate scatter/gather list info to pass to f/w init + * functions. + */ + io_req->sgl_task_params = kzalloc( + sizeof(struct scsi_sgl_task_params), GFP_KERNEL); + if (!io_req->sgl_task_params) { + QEDF_ERR(&(qedf->dbg_ctx), + "Failed to allocate sgl_task_params for xid=0x%x\n", + i); + goto mem_err; + } } /* Allocate pool of io_bdts - one for each qedf_ioreq */ @@ -211,8 +236,8 @@ struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf) cmgr->io_bdt_pool[i] = kmalloc(sizeof(struct io_bdt), GFP_KERNEL); if (!cmgr->io_bdt_pool[i]) { - QEDF_WARN(&(qedf->dbg_ctx), "Failed to alloc " - "io_bdt_pool[%d].\n", i); + QEDF_WARN(&(qedf->dbg_ctx), + "Failed to alloc io_bdt_pool[%d].\n", i); goto mem_err; } } @@ -220,11 +245,11 @@ struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf) for (i = 0; i < num_ios; i++) { bdt_info = cmgr->io_bdt_pool[i]; bdt_info->bd_tbl = dma_alloc_coherent(&qedf->pdev->dev, - QEDF_MAX_BDS_PER_CMD * sizeof(struct fcoe_sge), + QEDF_MAX_BDS_PER_CMD * sizeof(struct scsi_sge), &bdt_info->bd_tbl_dma, GFP_KERNEL); if (!bdt_info->bd_tbl) { - QEDF_WARN(&(qedf->dbg_ctx), "Failed to alloc " - "bdt_tbl[%d].\n", i); + QEDF_WARN(&(qedf->dbg_ctx), + "Failed to alloc bdt_tbl[%d].\n", i); goto mem_err; } } @@ -318,6 +343,7 @@ struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, u8 cmd_type) } bd_tbl->io_req = io_req; io_req->cmd_type = cmd_type; + io_req->tm_flags = 0; /* Reset sequence offset data */ io_req->rx_buf_off = 0; @@ -336,10 +362,9 @@ static void qedf_free_mp_resc(struct qedf_ioreq *io_req) { struct qedf_mp_req *mp_req = &(io_req->mp_req); struct qedf_ctx *qedf = io_req->fcport->qedf; - uint64_t sz = sizeof(struct fcoe_sge); + uint64_t sz = sizeof(struct scsi_sge); /* clear tm flags */ - mp_req->tm_flags = 0; if (mp_req->mp_req_bd) { dma_free_coherent(&qedf->pdev->dev, sz, mp_req->mp_req_bd, mp_req->mp_req_bd_dma); @@ -387,7 +412,7 @@ void qedf_release_cmd(struct kref *ref) static int qedf_split_bd(struct qedf_ioreq *io_req, u64 addr, int sg_len, int bd_index) { - struct fcoe_sge *bd = io_req->bd_tbl->bd_tbl; + struct scsi_sge *bd = io_req->bd_tbl->bd_tbl; int frag_size, sg_frags; sg_frags = 0; @@ -398,7 +423,7 @@ static int qedf_split_bd(struct qedf_ioreq *io_req, u64 addr, int sg_len, frag_size = sg_len; bd[bd_index + sg_frags].sge_addr.lo = U64_LO(addr); bd[bd_index + sg_frags].sge_addr.hi = U64_HI(addr); - bd[bd_index + sg_frags].size = (uint16_t)frag_size; + bd[bd_index + sg_frags].sge_len = (uint16_t)frag_size; addr += (u64)frag_size; sg_frags++; @@ -413,7 +438,7 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) struct Scsi_Host *host = sc->device->host; struct fc_lport *lport = shost_priv(host); struct qedf_ctx *qedf = lport_priv(lport); - struct fcoe_sge *bd = io_req->bd_tbl->bd_tbl; + struct scsi_sge *bd = io_req->bd_tbl->bd_tbl; struct scatterlist *sg; int byte_count = 0; int sg_count = 0; @@ -439,7 +464,7 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) bd[bd_count].sge_addr.lo = (addr & 0xffffffff); bd[bd_count].sge_addr.hi = (addr >> 32); - bd[bd_count].size = (u16)sg_len; + bd[bd_count].sge_len = (u16)sg_len; return ++bd_count; } @@ -480,7 +505,7 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) sg_frags = 1; bd[bd_count].sge_addr.lo = U64_LO(addr); bd[bd_count].sge_addr.hi = U64_HI(addr); - bd[bd_count].size = (uint16_t)sg_len; + bd[bd_count].sge_len = (uint16_t)sg_len; } bd_count += sg_frags; @@ -498,7 +523,7 @@ static int qedf_map_sg(struct qedf_ioreq *io_req) static int qedf_build_bd_list_from_sg(struct qedf_ioreq *io_req) { struct scsi_cmnd *sc = io_req->sc_cmd; - struct fcoe_sge *bd = io_req->bd_tbl->bd_tbl; + struct scsi_sge *bd = io_req->bd_tbl->bd_tbl; int bd_count; if (scsi_sg_count(sc)) { @@ -508,7 +533,7 @@ static int qedf_build_bd_list_from_sg(struct qedf_ioreq *io_req) } else { bd_count = 0; bd[0].sge_addr.lo = bd[0].sge_addr.hi = 0; - bd[0].size = 0; + bd[0].sge_len = 0; } io_req->bd_tbl->bd_valid = bd_count; @@ -529,430 +554,223 @@ static void qedf_build_fcp_cmnd(struct qedf_ioreq *io_req, /* 4 bytes: flag info */ fcp_cmnd->fc_pri_ta = 0; - fcp_cmnd->fc_tm_flags = io_req->mp_req.tm_flags; + fcp_cmnd->fc_tm_flags = io_req->tm_flags; fcp_cmnd->fc_flags = io_req->io_req_flags; fcp_cmnd->fc_cmdref = 0; /* Populate data direction */ - if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) - fcp_cmnd->fc_flags |= FCP_CFL_WRDATA; - else if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) + if (io_req->cmd_type == QEDF_TASK_MGMT_CMD) { fcp_cmnd->fc_flags |= FCP_CFL_RDDATA; + } else { + if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) + fcp_cmnd->fc_flags |= FCP_CFL_WRDATA; + else if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) + fcp_cmnd->fc_flags |= FCP_CFL_RDDATA; + } fcp_cmnd->fc_pri_ta = FCP_PTA_SIMPLE; /* 16 bytes: CDB information */ - memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len); + if (io_req->cmd_type != QEDF_TASK_MGMT_CMD) + memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len); /* 4 bytes: FCP data length */ fcp_cmnd->fc_dl = htonl(io_req->data_xfer_len); - } static void qedf_init_task(struct qedf_rport *fcport, struct fc_lport *lport, - struct qedf_ioreq *io_req, u32 *ptu_invalidate, - struct fcoe_task_context *task_ctx) + struct qedf_ioreq *io_req, struct fcoe_task_context *task_ctx, + struct fcoe_wqe *sqe) { enum fcoe_task_type task_type; struct scsi_cmnd *sc_cmd = io_req->sc_cmd; struct io_bdt *bd_tbl = io_req->bd_tbl; - union fcoe_data_desc_ctx *data_desc; - u32 *fcp_cmnd; + u8 fcp_cmnd[32]; u32 tmp_fcp_cmnd[8]; - int cnt, i; - int bd_count; + int bd_count = 0; struct qedf_ctx *qedf = fcport->qedf; uint16_t cq_idx = smp_processor_id() % qedf->num_queues; - u8 tmp_sgl_mode = 0; - u8 mst_sgl_mode = 0; + struct regpair sense_data_buffer_phys_addr; + u32 tx_io_size = 0; + u32 rx_io_size = 0; + int i, cnt; - memset(task_ctx, 0, sizeof(struct fcoe_task_context)); + /* Note init_initiator_rw_fcoe_task memsets the task context */ io_req->task = task_ctx; + memset(task_ctx, 0, sizeof(struct fcoe_task_context)); + memset(io_req->task_params, 0, sizeof(struct fcoe_task_params)); + memset(io_req->sgl_task_params, 0, sizeof(struct scsi_sgl_task_params)); - if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) - task_type = FCOE_TASK_TYPE_WRITE_INITIATOR; - else + /* Set task type bassed on DMA directio of command */ + if (io_req->cmd_type == QEDF_TASK_MGMT_CMD) { task_type = FCOE_TASK_TYPE_READ_INITIATOR; - - /* Y Storm context */ - task_ctx->ystorm_st_context.expect_first_xfer = 1; - task_ctx->ystorm_st_context.data_2_trns_rem = io_req->data_xfer_len; - /* Check if this is required */ - task_ctx->ystorm_st_context.ox_id = io_req->xid; - task_ctx->ystorm_st_context.task_rety_identifier = - io_req->task_retry_identifier; - - /* T Storm ag context */ - SET_FIELD(task_ctx->tstorm_ag_context.flags0, - TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, PROTOCOLID_FCOE); - task_ctx->tstorm_ag_context.icid = (u16)fcport->fw_cid; - - /* T Storm st context */ - SET_FIELD(task_ctx->tstorm_st_context.read_write.flags, - FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, - 1); - task_ctx->tstorm_st_context.read_write.rx_id = 0xffff; - - task_ctx->tstorm_st_context.read_only.dev_type = - FCOE_TASK_DEV_TYPE_DISK; - task_ctx->tstorm_st_context.read_only.conf_supported = 0; - task_ctx->tstorm_st_context.read_only.cid = fcport->fw_cid; - - /* Completion queue for response. */ - task_ctx->tstorm_st_context.read_only.glbl_q_num = cq_idx; - task_ctx->tstorm_st_context.read_only.fcp_cmd_trns_size = - io_req->data_xfer_len; - task_ctx->tstorm_st_context.read_write.e_d_tov_exp_timeout_val = - lport->e_d_tov; - - task_ctx->ustorm_ag_context.global_cq_num = cq_idx; - io_req->fp_idx = cq_idx; - - bd_count = bd_tbl->bd_valid; - if (task_type == FCOE_TASK_TYPE_WRITE_INITIATOR) { - /* Setup WRITE task */ - struct fcoe_sge *fcoe_bd_tbl = bd_tbl->bd_tbl; - - task_ctx->ystorm_st_context.task_type = - FCOE_TASK_TYPE_WRITE_INITIATOR; - data_desc = &task_ctx->ystorm_st_context.data_desc; - - if (io_req->use_slowpath) { - SET_FIELD(task_ctx->ystorm_st_context.sgl_mode, - YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, - FCOE_SLOW_SGL); - data_desc->slow.base_sgl_addr.lo = - U64_LO(bd_tbl->bd_tbl_dma); - data_desc->slow.base_sgl_addr.hi = - U64_HI(bd_tbl->bd_tbl_dma); - data_desc->slow.remainder_num_sges = bd_count; - data_desc->slow.curr_sge_off = 0; - data_desc->slow.curr_sgl_index = 0; - qedf->slow_sge_ios++; - io_req->sge_type = QEDF_IOREQ_SLOW_SGE; - } else { - SET_FIELD(task_ctx->ystorm_st_context.sgl_mode, - YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, - (bd_count <= 4) ? (enum fcoe_sgl_mode)bd_count : - FCOE_MUL_FAST_SGES); - - if (bd_count == 1) { - data_desc->single_sge.sge_addr.lo = - fcoe_bd_tbl->sge_addr.lo; - data_desc->single_sge.sge_addr.hi = - fcoe_bd_tbl->sge_addr.hi; - data_desc->single_sge.size = - fcoe_bd_tbl->size; - data_desc->single_sge.is_valid_sge = 0; - qedf->single_sge_ios++; - io_req->sge_type = QEDF_IOREQ_SINGLE_SGE; - } else { - data_desc->fast.sgl_start_addr.lo = - U64_LO(bd_tbl->bd_tbl_dma); - data_desc->fast.sgl_start_addr.hi = - U64_HI(bd_tbl->bd_tbl_dma); - data_desc->fast.sgl_byte_offset = - data_desc->fast.sgl_start_addr.lo & - (QEDF_PAGE_SIZE - 1); - if (data_desc->fast.sgl_byte_offset > 0) - QEDF_ERR(&(qedf->dbg_ctx), - "byte_offset=%u for xid=0x%x.\n", - io_req->xid, - data_desc->fast.sgl_byte_offset); - data_desc->fast.task_reuse_cnt = - io_req->reuse_count; - io_req->reuse_count++; - if (io_req->reuse_count == QEDF_MAX_REUSE) { - *ptu_invalidate = 1; - io_req->reuse_count = 0; - } - qedf->fast_sge_ios++; - io_req->sge_type = QEDF_IOREQ_FAST_SGE; - } - } - - /* T Storm context */ - task_ctx->tstorm_st_context.read_only.task_type = - FCOE_TASK_TYPE_WRITE_INITIATOR; - - /* M Storm context */ - tmp_sgl_mode = GET_FIELD(task_ctx->ystorm_st_context.sgl_mode, - YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE); - SET_FIELD(task_ctx->mstorm_st_context.non_fp.tx_rx_sgl_mode, - FCOE_MSTORM_FCOE_TASK_ST_CTX_NON_FP_TX_SGL_MODE, - tmp_sgl_mode); - } else { - /* Setup READ task */ - - /* M Storm context */ - struct fcoe_sge *fcoe_bd_tbl = bd_tbl->bd_tbl; - - data_desc = &task_ctx->mstorm_st_context.fp.data_desc; - task_ctx->mstorm_st_context.fp.data_2_trns_rem = - io_req->data_xfer_len; - - if (io_req->use_slowpath) { - SET_FIELD( - task_ctx->mstorm_st_context.non_fp.tx_rx_sgl_mode, - FCOE_MSTORM_FCOE_TASK_ST_CTX_NON_FP_RX_SGL_MODE, - FCOE_SLOW_SGL); - data_desc->slow.base_sgl_addr.lo = - U64_LO(bd_tbl->bd_tbl_dma); - data_desc->slow.base_sgl_addr.hi = - U64_HI(bd_tbl->bd_tbl_dma); - data_desc->slow.remainder_num_sges = - bd_count; - data_desc->slow.curr_sge_off = 0; - data_desc->slow.curr_sgl_index = 0; - qedf->slow_sge_ios++; - io_req->sge_type = QEDF_IOREQ_SLOW_SGE; + if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) { + task_type = FCOE_TASK_TYPE_WRITE_INITIATOR; + tx_io_size = io_req->data_xfer_len; } else { - SET_FIELD( - task_ctx->mstorm_st_context.non_fp.tx_rx_sgl_mode, - FCOE_MSTORM_FCOE_TASK_ST_CTX_NON_FP_RX_SGL_MODE, - (bd_count <= 4) ? (enum fcoe_sgl_mode)bd_count : - FCOE_MUL_FAST_SGES); - - if (bd_count == 1) { - data_desc->single_sge.sge_addr.lo = - fcoe_bd_tbl->sge_addr.lo; - data_desc->single_sge.sge_addr.hi = - fcoe_bd_tbl->sge_addr.hi; - data_desc->single_sge.size = - fcoe_bd_tbl->size; - data_desc->single_sge.is_valid_sge = 0; - qedf->single_sge_ios++; - io_req->sge_type = QEDF_IOREQ_SINGLE_SGE; - } else { - data_desc->fast.sgl_start_addr.lo = - U64_LO(bd_tbl->bd_tbl_dma); - data_desc->fast.sgl_start_addr.hi = - U64_HI(bd_tbl->bd_tbl_dma); - data_desc->fast.sgl_byte_offset = 0; - data_desc->fast.task_reuse_cnt = - io_req->reuse_count; - io_req->reuse_count++; - if (io_req->reuse_count == QEDF_MAX_REUSE) { - *ptu_invalidate = 1; - io_req->reuse_count = 0; - } - qedf->fast_sge_ios++; - io_req->sge_type = QEDF_IOREQ_FAST_SGE; - } + task_type = FCOE_TASK_TYPE_READ_INITIATOR; + rx_io_size = io_req->data_xfer_len; } - - /* Y Storm context */ - task_ctx->ystorm_st_context.expect_first_xfer = 0; - task_ctx->ystorm_st_context.task_type = - FCOE_TASK_TYPE_READ_INITIATOR; - - /* T Storm context */ - task_ctx->tstorm_st_context.read_only.task_type = - FCOE_TASK_TYPE_READ_INITIATOR; - mst_sgl_mode = GET_FIELD( - task_ctx->mstorm_st_context.non_fp.tx_rx_sgl_mode, - FCOE_MSTORM_FCOE_TASK_ST_CTX_NON_FP_RX_SGL_MODE); - SET_FIELD(task_ctx->tstorm_st_context.read_write.flags, - FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE, - mst_sgl_mode); } + /* Setup the fields for fcoe_task_params */ + io_req->task_params->context = task_ctx; + io_req->task_params->sqe = sqe; + io_req->task_params->task_type = task_type; + io_req->task_params->tx_io_size = tx_io_size; + io_req->task_params->rx_io_size = rx_io_size; + io_req->task_params->conn_cid = fcport->fw_cid; + io_req->task_params->itid = io_req->xid; + io_req->task_params->cq_rss_number = cq_idx; + io_req->task_params->is_tape_device = fcport->dev_type; + + /* Fill in information for scatter/gather list */ + if (io_req->cmd_type != QEDF_TASK_MGMT_CMD) { + bd_count = bd_tbl->bd_valid; + io_req->sgl_task_params->sgl = bd_tbl->bd_tbl; + io_req->sgl_task_params->sgl_phys_addr.lo = + U64_LO(bd_tbl->bd_tbl_dma); + io_req->sgl_task_params->sgl_phys_addr.hi = + U64_HI(bd_tbl->bd_tbl_dma); + io_req->sgl_task_params->num_sges = bd_count; + io_req->sgl_task_params->total_buffer_size = + scsi_bufflen(io_req->sc_cmd); + io_req->sgl_task_params->small_mid_sge = + io_req->use_slowpath; + } + + /* Fill in physical address of sense buffer */ + sense_data_buffer_phys_addr.lo = U64_LO(io_req->sense_buffer_dma); + sense_data_buffer_phys_addr.hi = U64_HI(io_req->sense_buffer_dma); + /* fill FCP_CMND IU */ - fcp_cmnd = (u32 *)task_ctx->ystorm_st_context.tx_info_union.fcp_cmd_payload.opaque; - qedf_build_fcp_cmnd(io_req, (struct fcp_cmnd *)&tmp_fcp_cmnd); + qedf_build_fcp_cmnd(io_req, (struct fcp_cmnd *)tmp_fcp_cmnd); /* Swap fcp_cmnd since FC is big endian */ cnt = sizeof(struct fcp_cmnd) / sizeof(u32); - for (i = 0; i < cnt; i++) { - *fcp_cmnd = cpu_to_be32(tmp_fcp_cmnd[i]); - fcp_cmnd++; + tmp_fcp_cmnd[i] = cpu_to_be32(tmp_fcp_cmnd[i]); + } + memcpy(fcp_cmnd, tmp_fcp_cmnd, sizeof(struct fcp_cmnd)); + + init_initiator_rw_fcoe_task(io_req->task_params, + io_req->sgl_task_params, + sense_data_buffer_phys_addr, + io_req->task_retry_identifier, fcp_cmnd); + + /* Increment SGL type counters */ + if (bd_count == 1) { + qedf->single_sge_ios++; + io_req->sge_type = QEDF_IOREQ_SINGLE_SGE; + } else if (io_req->use_slowpath) { + qedf->slow_sge_ios++; + io_req->sge_type = QEDF_IOREQ_SLOW_SGE; + } else { + qedf->fast_sge_ios++; + io_req->sge_type = QEDF_IOREQ_FAST_SGE; } - - /* M Storm context - Sense buffer */ - task_ctx->mstorm_st_context.non_fp.rsp_buf_addr.lo = - U64_LO(io_req->sense_buffer_dma); - task_ctx->mstorm_st_context.non_fp.rsp_buf_addr.hi = - U64_HI(io_req->sense_buffer_dma); } void qedf_init_mp_task(struct qedf_ioreq *io_req, - struct fcoe_task_context *task_ctx) + struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe) { struct qedf_mp_req *mp_req = &(io_req->mp_req); struct qedf_rport *fcport = io_req->fcport; struct qedf_ctx *qedf = io_req->fcport->qedf; struct fc_frame_header *fc_hdr; - enum fcoe_task_type task_type = 0; - union fcoe_data_desc_ctx *data_desc; + struct fcoe_tx_mid_path_params task_fc_hdr; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; - QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Initializing MP task " - "for cmd_type = %d\n", io_req->cmd_type); + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "Initializing MP task for cmd_type=%d\n", + io_req->cmd_type); qedf->control_requests++; - /* Obtain task_type */ - if ((io_req->cmd_type == QEDF_TASK_MGMT_CMD) || - (io_req->cmd_type == QEDF_ELS)) { - task_type = FCOE_TASK_TYPE_MIDPATH; - } else if (io_req->cmd_type == QEDF_ABTS) { - task_type = FCOE_TASK_TYPE_ABTS; - } - + memset(&tx_sgl_task_params, 0, sizeof(struct scsi_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(struct scsi_sgl_task_params)); memset(task_ctx, 0, sizeof(struct fcoe_task_context)); + memset(&task_fc_hdr, 0, sizeof(struct fcoe_tx_mid_path_params)); /* Setup the task from io_req for easy reference */ io_req->task = task_ctx; - QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "task type = %d\n", - task_type); - - /* YSTORM only */ - { - /* Initialize YSTORM task context */ - struct fcoe_tx_mid_path_params *task_fc_hdr = - &task_ctx->ystorm_st_context.tx_info_union.tx_params.mid_path; - memset(task_fc_hdr, 0, sizeof(struct fcoe_tx_mid_path_params)); - task_ctx->ystorm_st_context.task_rety_identifier = - io_req->task_retry_identifier; - - /* Init SGL parameters */ - if ((task_type == FCOE_TASK_TYPE_MIDPATH) || - (task_type == FCOE_TASK_TYPE_UNSOLICITED)) { - data_desc = &task_ctx->ystorm_st_context.data_desc; - data_desc->slow.base_sgl_addr.lo = - U64_LO(mp_req->mp_req_bd_dma); - data_desc->slow.base_sgl_addr.hi = - U64_HI(mp_req->mp_req_bd_dma); - data_desc->slow.remainder_num_sges = 1; - data_desc->slow.curr_sge_off = 0; - data_desc->slow.curr_sgl_index = 0; - } - - fc_hdr = &(mp_req->req_fc_hdr); - if (task_type == FCOE_TASK_TYPE_MIDPATH) { - fc_hdr->fh_ox_id = io_req->xid; - fc_hdr->fh_rx_id = htons(0xffff); - } else if (task_type == FCOE_TASK_TYPE_UNSOLICITED) { - fc_hdr->fh_rx_id = io_req->xid; - } + /* Setup the fields for fcoe_task_params */ + io_req->task_params->context = task_ctx; + io_req->task_params->sqe = sqe; + io_req->task_params->task_type = FCOE_TASK_TYPE_MIDPATH; + io_req->task_params->tx_io_size = io_req->data_xfer_len; + /* rx_io_size tells the f/w how large a response buffer we have */ + io_req->task_params->rx_io_size = PAGE_SIZE; + io_req->task_params->conn_cid = fcport->fw_cid; + io_req->task_params->itid = io_req->xid; + /* Return middle path commands on CQ 0 */ + io_req->task_params->cq_rss_number = 0; + io_req->task_params->is_tape_device = fcport->dev_type; + + fc_hdr = &(mp_req->req_fc_hdr); + /* Set OX_ID and RX_ID based on driver task id */ + fc_hdr->fh_ox_id = io_req->xid; + fc_hdr->fh_rx_id = htons(0xffff); + + /* Set up FC header information */ + task_fc_hdr.parameter = fc_hdr->fh_parm_offset; + task_fc_hdr.r_ctl = fc_hdr->fh_r_ctl; + task_fc_hdr.type = fc_hdr->fh_type; + task_fc_hdr.cs_ctl = fc_hdr->fh_cs_ctl; + task_fc_hdr.df_ctl = fc_hdr->fh_df_ctl; + task_fc_hdr.rx_id = fc_hdr->fh_rx_id; + task_fc_hdr.ox_id = fc_hdr->fh_ox_id; + + /* Set up s/g list parameters for request buffer */ + tx_sgl_task_params.sgl = mp_req->mp_req_bd; + tx_sgl_task_params.sgl_phys_addr.lo = U64_LO(mp_req->mp_req_bd_dma); + tx_sgl_task_params.sgl_phys_addr.hi = U64_HI(mp_req->mp_req_bd_dma); + tx_sgl_task_params.num_sges = 1; + /* Set PAGE_SIZE for now since sg element is that size ??? */ + tx_sgl_task_params.total_buffer_size = io_req->data_xfer_len; + tx_sgl_task_params.small_mid_sge = 0; + + /* Set up s/g list parameters for request buffer */ + rx_sgl_task_params.sgl = mp_req->mp_resp_bd; + rx_sgl_task_params.sgl_phys_addr.lo = U64_LO(mp_req->mp_resp_bd_dma); + rx_sgl_task_params.sgl_phys_addr.hi = U64_HI(mp_req->mp_resp_bd_dma); + rx_sgl_task_params.num_sges = 1; + /* Set PAGE_SIZE for now since sg element is that size ??? */ + rx_sgl_task_params.total_buffer_size = PAGE_SIZE; + rx_sgl_task_params.small_mid_sge = 0; - /* Fill FC Header into middle path buffer */ - task_fc_hdr->parameter = fc_hdr->fh_parm_offset; - task_fc_hdr->r_ctl = fc_hdr->fh_r_ctl; - task_fc_hdr->type = fc_hdr->fh_type; - task_fc_hdr->cs_ctl = fc_hdr->fh_cs_ctl; - task_fc_hdr->df_ctl = fc_hdr->fh_df_ctl; - task_fc_hdr->rx_id = fc_hdr->fh_rx_id; - task_fc_hdr->ox_id = fc_hdr->fh_ox_id; - - task_ctx->ystorm_st_context.data_2_trns_rem = - io_req->data_xfer_len; - task_ctx->ystorm_st_context.task_type = task_type; - } - - /* TSTORM ONLY */ - { - task_ctx->tstorm_ag_context.icid = (u16)fcport->fw_cid; - task_ctx->tstorm_st_context.read_only.cid = fcport->fw_cid; - /* Always send middle-path repsonses on CQ #0 */ - task_ctx->tstorm_st_context.read_only.glbl_q_num = 0; - io_req->fp_idx = 0; - SET_FIELD(task_ctx->tstorm_ag_context.flags0, - TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, - PROTOCOLID_FCOE); - task_ctx->tstorm_st_context.read_only.task_type = task_type; - SET_FIELD(task_ctx->tstorm_st_context.read_write.flags, - FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, - 1); - task_ctx->tstorm_st_context.read_write.rx_id = 0xffff; - } - - /* MSTORM only */ - { - if (task_type == FCOE_TASK_TYPE_MIDPATH) { - /* Initialize task context */ - data_desc = &task_ctx->mstorm_st_context.fp.data_desc; - - /* Set cache sges address and length */ - data_desc->slow.base_sgl_addr.lo = - U64_LO(mp_req->mp_resp_bd_dma); - data_desc->slow.base_sgl_addr.hi = - U64_HI(mp_req->mp_resp_bd_dma); - data_desc->slow.remainder_num_sges = 1; - data_desc->slow.curr_sge_off = 0; - data_desc->slow.curr_sgl_index = 0; - /* - * Also need to fil in non-fastpath response address - * for middle path commands. - */ - task_ctx->mstorm_st_context.non_fp.rsp_buf_addr.lo = - U64_LO(mp_req->mp_resp_bd_dma); - task_ctx->mstorm_st_context.non_fp.rsp_buf_addr.hi = - U64_HI(mp_req->mp_resp_bd_dma); - } - } - - /* USTORM ONLY */ - { - task_ctx->ustorm_ag_context.global_cq_num = 0; - } + /* + * Last arg is 0 as previous code did not set that we wanted the + * fc header information. + */ + init_initiator_midpath_unsolicited_fcoe_task(io_req->task_params, + &task_fc_hdr, + &tx_sgl_task_params, + &rx_sgl_task_params, 0); - /* I/O stats. Middle path commands always use slow SGEs */ - qedf->slow_sge_ios++; - io_req->sge_type = QEDF_IOREQ_SLOW_SGE; + /* Midpath requests always consume 1 SGE */ + qedf->single_sge_ios++; } -void qedf_add_to_sq(struct qedf_rport *fcport, u16 xid, u32 ptu_invalidate, - enum fcoe_task_type req_type, u32 offset) +/* Presumed that fcport->rport_lock is held */ +u16 qedf_get_sqe_idx(struct qedf_rport *fcport) { - struct fcoe_wqe *sqe; uint16_t total_sqe = (fcport->sq_mem_size)/(sizeof(struct fcoe_wqe)); + u16 rval; - sqe = &fcport->sq[fcport->sq_prod_idx]; + rval = fcport->sq_prod_idx; + /* Adjust ring index */ fcport->sq_prod_idx++; fcport->fw_sq_prod_idx++; if (fcport->sq_prod_idx == total_sqe) fcport->sq_prod_idx = 0; - switch (req_type) { - case FCOE_TASK_TYPE_WRITE_INITIATOR: - case FCOE_TASK_TYPE_READ_INITIATOR: - SET_FIELD(sqe->flags, FCOE_WQE_REQ_TYPE, SEND_FCOE_CMD); - if (ptu_invalidate) - SET_FIELD(sqe->flags, FCOE_WQE_INVALIDATE_PTU, 1); - break; - case FCOE_TASK_TYPE_MIDPATH: - SET_FIELD(sqe->flags, FCOE_WQE_REQ_TYPE, SEND_FCOE_MIDPATH); - break; - case FCOE_TASK_TYPE_ABTS: - SET_FIELD(sqe->flags, FCOE_WQE_REQ_TYPE, - SEND_FCOE_ABTS_REQUEST); - break; - case FCOE_TASK_TYPE_EXCHANGE_CLEANUP: - SET_FIELD(sqe->flags, FCOE_WQE_REQ_TYPE, - FCOE_EXCHANGE_CLEANUP); - break; - case FCOE_TASK_TYPE_SEQUENCE_CLEANUP: - SET_FIELD(sqe->flags, FCOE_WQE_REQ_TYPE, - FCOE_SEQUENCE_RECOVERY); - /* NOTE: offset param only used for sequence recovery */ - sqe->additional_info_union.seq_rec_updated_offset = offset; - break; - case FCOE_TASK_TYPE_UNSOLICITED: - break; - default: - break; - } - - sqe->task_id = xid; - - /* Make sure SQ data is coherent */ - wmb(); - + return rval; } void qedf_ring_doorbell(struct qedf_rport *fcport) @@ -1029,7 +847,8 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) struct fcoe_task_context *task_ctx; u16 xid; enum fcoe_task_type req_type = 0; - u32 ptu_invalidate = 0; + struct fcoe_wqe *sqe; + u16 sqe_idx; /* Initialize rest of io_req fileds */ io_req->data_xfer_len = scsi_bufflen(sc_cmd); @@ -1061,6 +880,16 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) return -EAGAIN; } + if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) { + QEDF_ERR(&(qedf->dbg_ctx), "Session not offloaded yet.\n"); + kref_put(&io_req->refcount, qedf_release_cmd); + } + + /* Obtain free SQE */ + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + /* Get the task context */ task_ctx = qedf_get_task_mem(&qedf->tasks, xid); if (!task_ctx) { @@ -1070,15 +899,7 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) return -EINVAL; } - qedf_init_task(fcport, lport, io_req, &ptu_invalidate, task_ctx); - - if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) { - QEDF_ERR(&(qedf->dbg_ctx), "Session not offloaded yet.\n"); - kref_put(&io_req->refcount, qedf_release_cmd); - } - - /* Obtain free SQ entry */ - qedf_add_to_sq(fcport, xid, ptu_invalidate, req_type, 0); + qedf_init_task(fcport, lport, io_req, task_ctx, sqe); /* Ring doorbell */ qedf_ring_doorbell(fcport); @@ -1661,6 +1482,8 @@ int qedf_initiate_abts(struct qedf_ioreq *io_req, bool return_scsi_cmd_on_abts) u32 r_a_tov = 0; int rc = 0; unsigned long flags; + struct fcoe_wqe *sqe; + u16 sqe_idx; r_a_tov = rdata->r_a_tov; lport = qedf->lport; @@ -1712,10 +1535,12 @@ int qedf_initiate_abts(struct qedf_ioreq *io_req, bool return_scsi_cmd_on_abts) spin_lock_irqsave(&fcport->rport_lock, flags); - /* Add ABTS to send queue */ - qedf_add_to_sq(fcport, xid, 0, FCOE_TASK_TYPE_ABTS, 0); + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + io_req->task_params->sqe = sqe; - /* Ring doorbell */ + init_initiator_abort_fcoe_task(io_req->task_params); qedf_ring_doorbell(fcport); spin_unlock_irqrestore(&fcport->rport_lock, flags); @@ -1784,8 +1609,8 @@ void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, int qedf_init_mp_req(struct qedf_ioreq *io_req) { struct qedf_mp_req *mp_req; - struct fcoe_sge *mp_req_bd; - struct fcoe_sge *mp_resp_bd; + struct scsi_sge *mp_req_bd; + struct scsi_sge *mp_resp_bd; struct qedf_ctx *qedf = io_req->fcport->qedf; dma_addr_t addr; uint64_t sz; @@ -1819,7 +1644,7 @@ int qedf_init_mp_req(struct qedf_ioreq *io_req) } /* Allocate and map mp_req_bd and mp_resp_bd */ - sz = sizeof(struct fcoe_sge); + sz = sizeof(struct scsi_sge); mp_req->mp_req_bd = dma_alloc_coherent(&qedf->pdev->dev, sz, &mp_req->mp_req_bd_dma, GFP_KERNEL); if (!mp_req->mp_req_bd) { @@ -1841,7 +1666,7 @@ int qedf_init_mp_req(struct qedf_ioreq *io_req) mp_req_bd = mp_req->mp_req_bd; mp_req_bd->sge_addr.lo = U64_LO(addr); mp_req_bd->sge_addr.hi = U64_HI(addr); - mp_req_bd->size = QEDF_PAGE_SIZE; + mp_req_bd->sge_len = QEDF_PAGE_SIZE; /* * MP buffer is either a task mgmt command or an ELS. @@ -1852,7 +1677,7 @@ int qedf_init_mp_req(struct qedf_ioreq *io_req) addr = mp_req->resp_buf_dma; mp_resp_bd->sge_addr.lo = U64_LO(addr); mp_resp_bd->sge_addr.hi = U64_HI(addr); - mp_resp_bd->size = QEDF_PAGE_SIZE; + mp_resp_bd->sge_len = QEDF_PAGE_SIZE; return 0; } @@ -1895,6 +1720,8 @@ int qedf_initiate_cleanup(struct qedf_ioreq *io_req, int tmo = 0; int rc = SUCCESS; unsigned long flags; + struct fcoe_wqe *sqe; + u16 sqe_idx; fcport = io_req->fcport; if (!fcport) { @@ -1940,12 +1767,16 @@ int qedf_initiate_cleanup(struct qedf_ioreq *io_req, init_completion(&io_req->tm_done); - /* Obtain free SQ entry */ spin_lock_irqsave(&fcport->rport_lock, flags); - qedf_add_to_sq(fcport, xid, 0, FCOE_TASK_TYPE_EXCHANGE_CLEANUP, 0); - /* Ring doorbell */ + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + io_req->task_params->sqe = sqe; + + init_initiator_cleanup_fcoe_task(io_req->task_params); qedf_ring_doorbell(fcport); + spin_unlock_irqrestore(&fcport->rport_lock, flags); tmo = wait_for_completion_timeout(&io_req->tm_done, @@ -1991,16 +1822,15 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd, uint8_t tm_flags) { struct qedf_ioreq *io_req; - struct qedf_mp_req *tm_req; struct fcoe_task_context *task; - struct fc_frame_header *fc_hdr; - struct fcp_cmnd *fcp_cmnd; struct qedf_ctx *qedf = fcport->qedf; + struct fc_lport *lport = qedf->lport; int rc = 0; uint16_t xid; - uint32_t sid, did; int tmo = 0; unsigned long flags; + struct fcoe_wqe *sqe; + u16 sqe_idx; if (!sc_cmd) { QEDF_ERR(&(qedf->dbg_ctx), "invalid arg\n"); @@ -2031,36 +1861,14 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd, /* Set the return CPU to be the same as the request one */ io_req->cpu = smp_processor_id(); - tm_req = (struct qedf_mp_req *)&(io_req->mp_req); - - rc = qedf_init_mp_req(io_req); - if (rc == FAILED) { - QEDF_ERR(&(qedf->dbg_ctx), "Task mgmt MP request init " - "failed\n"); - kref_put(&io_req->refcount, qedf_release_cmd); - goto reset_tmf_err; - } - /* Set TM flags */ - io_req->io_req_flags = 0; - tm_req->tm_flags = tm_flags; + io_req->io_req_flags = QEDF_READ; + io_req->data_xfer_len = 0; + io_req->tm_flags = tm_flags; /* Default is to return a SCSI command when an error occurs */ io_req->return_scsi_cmd_on_abts = true; - /* Fill FCP_CMND */ - qedf_build_fcp_cmnd(io_req, (struct fcp_cmnd *)tm_req->req_buf); - fcp_cmnd = (struct fcp_cmnd *)tm_req->req_buf; - memset(fcp_cmnd->fc_cdb, 0, FCP_CMND_LEN); - fcp_cmnd->fc_dl = 0; - - /* Fill FC header */ - fc_hdr = &(tm_req->req_fc_hdr); - sid = fcport->sid; - did = fcport->rdata->ids.port_id; - __fc_fill_fc_hdr(fc_hdr, FC_RCTL_DD_UNSOL_CMD, sid, did, - FC_TYPE_FCP, FC_FC_FIRST_SEQ | FC_FC_END_SEQ | - FC_FC_SEQ_INIT, 0); /* Obtain exchange id */ xid = io_req->xid; @@ -2069,16 +1877,18 @@ static int qedf_execute_tmf(struct qedf_rport *fcport, struct scsi_cmnd *sc_cmd, /* Initialize task context for this IO request */ task = qedf_get_task_mem(&qedf->tasks, xid); - qedf_init_mp_task(io_req, task); init_completion(&io_req->tm_done); - /* Obtain free SQ entry */ spin_lock_irqsave(&fcport->rport_lock, flags); - qedf_add_to_sq(fcport, xid, 0, FCOE_TASK_TYPE_MIDPATH, 0); - /* Ring doorbell */ + sqe_idx = qedf_get_sqe_idx(fcport); + sqe = &fcport->sq[sqe_idx]; + memset(sqe, 0, sizeof(struct fcoe_wqe)); + + qedf_init_task(fcport, lport, io_req, task, sqe); qedf_ring_doorbell(fcport); + spin_unlock_irqrestore(&fcport->rport_lock, flags); tmo = wait_for_completion_timeout(&io_req->tm_done, @@ -2162,14 +1972,6 @@ void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, struct qedf_ioreq *io_req) { struct fcoe_cqe_rsp_info *fcp_rsp; - struct fcoe_cqe_midpath_info *mp_info; - - - /* Get TMF response length from CQE */ - mp_info = &cqe->cqe_info.midpath_info; - io_req->mp_req.resp_len = mp_info->data_placement_size; - QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_SCSI_TM, - "Response len is %d.\n", io_req->mp_req.resp_len); fcp_rsp = &cqe->cqe_info.rsp_info; qedf_parse_fcp_rsp(io_req, fcp_rsp); diff --git a/drivers/scsi/qedi/Makefile b/drivers/scsi/qedi/Makefile index 2b3e16b24299..90a6925577cc 100644 --- a/drivers/scsi/qedi/Makefile +++ b/drivers/scsi/qedi/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_QEDI) := qedi.o qedi-y := qedi_main.o qedi_iscsi.o qedi_fw.o qedi_sysfs.o \ - qedi_dbg.o + qedi_dbg.o qedi_fw_api.o qedi-$(CONFIG_DEBUG_FS) += qedi_debugfs.o diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 2bce3efc66a4..d6978cbc56f0 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -14,6 +14,8 @@ #include "qedi.h" #include "qedi_iscsi.h" #include "qedi_gbl.h" +#include "qedi_fw_iscsi.h" +#include "qedi_fw_scsi.h" static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, struct iscsi_task *mtask); @@ -53,8 +55,8 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi, resp_hdr->exp_cmdsn = cpu_to_be32(cqe_logout_response->exp_cmd_sn); resp_hdr->max_cmdsn = cpu_to_be32(cqe_logout_response->max_cmd_sn); - resp_hdr->t2wait = cpu_to_be32(cqe_logout_response->time2wait); - resp_hdr->t2retain = cpu_to_be32(cqe_logout_response->time2retain); + resp_hdr->t2wait = cpu_to_be32(cqe_logout_response->time_2_wait); + resp_hdr->t2retain = cpu_to_be32(cqe_logout_response->time_2_retain); QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID, "Freeing tid=0x%x for cid=0x%x\n", @@ -975,81 +977,6 @@ exit_fp_process: return; } -static void qedi_add_to_sq(struct qedi_conn *qedi_conn, struct iscsi_task *task, - u16 tid, uint16_t ptu_invalidate, int is_cleanup) -{ - struct iscsi_wqe *wqe; - struct iscsi_wqe_field *cont_field; - struct qedi_endpoint *ep; - struct scsi_cmnd *sc = task->sc; - struct iscsi_login_req *login_hdr; - struct qedi_cmd *cmd = task->dd_data; - - login_hdr = (struct iscsi_login_req *)task->hdr; - ep = qedi_conn->ep; - wqe = &ep->sq[ep->sq_prod_idx]; - - memset(wqe, 0, sizeof(*wqe)); - - ep->sq_prod_idx++; - ep->fw_sq_prod_idx++; - if (ep->sq_prod_idx == QEDI_SQ_SIZE) - ep->sq_prod_idx = 0; - - if (is_cleanup) { - SET_FIELD(wqe->flags, ISCSI_WQE_WQE_TYPE, - ISCSI_WQE_TYPE_TASK_CLEANUP); - wqe->task_id = tid; - return; - } - - if (ptu_invalidate) { - SET_FIELD(wqe->flags, ISCSI_WQE_PTU_INVALIDATE, - ISCSI_WQE_SET_PTU_INVALIDATE); - } - - cont_field = &wqe->cont_prevtid_union.cont_field; - - switch (task->hdr->opcode & ISCSI_OPCODE_MASK) { - case ISCSI_OP_LOGIN: - case ISCSI_OP_TEXT: - SET_FIELD(wqe->flags, ISCSI_WQE_WQE_TYPE, - ISCSI_WQE_TYPE_MIDDLE_PATH); - SET_FIELD(wqe->flags, ISCSI_WQE_NUM_FAST_SGES, - 1); - cont_field->contlen_cdbsize_field = ntoh24(login_hdr->dlength); - break; - case ISCSI_OP_LOGOUT: - case ISCSI_OP_NOOP_OUT: - case ISCSI_OP_SCSI_TMFUNC: - SET_FIELD(wqe->flags, ISCSI_WQE_WQE_TYPE, - ISCSI_WQE_TYPE_NORMAL); - break; - default: - if (!sc) - break; - - SET_FIELD(wqe->flags, ISCSI_WQE_WQE_TYPE, - ISCSI_WQE_TYPE_NORMAL); - cont_field->contlen_cdbsize_field = - (sc->sc_data_direction == DMA_TO_DEVICE) ? - scsi_bufflen(sc) : 0; - if (cmd->use_slowpath) - SET_FIELD(wqe->flags, ISCSI_WQE_NUM_FAST_SGES, 0); - else - SET_FIELD(wqe->flags, ISCSI_WQE_NUM_FAST_SGES, - (sc->sc_data_direction == - DMA_TO_DEVICE) ? - min((u16)QEDI_FAST_SGE_COUNT, - (u16)cmd->io_tbl.sge_valid) : 0); - break; - } - - wqe->task_id = tid; - /* Make sure SQ data is coherent */ - wmb(); -} - static void qedi_ring_doorbell(struct qedi_conn *qedi_conn) { struct iscsi_db_data dbell = { 0 }; @@ -1076,96 +1003,116 @@ static void qedi_ring_doorbell(struct qedi_conn *qedi_conn) qedi_conn->iscsi_conn_id); } +static u16 qedi_get_wqe_idx(struct qedi_conn *qedi_conn) +{ + struct qedi_endpoint *ep; + u16 rval; + + ep = qedi_conn->ep; + rval = ep->sq_prod_idx; + + /* Increament SQ index */ + ep->sq_prod_idx++; + ep->fw_sq_prod_idx++; + if (ep->sq_prod_idx == QEDI_SQ_SIZE) + ep->sq_prod_idx = 0; + + return rval; +} + int qedi_send_iscsi_login(struct qedi_conn *qedi_conn, struct iscsi_task *task) { - struct qedi_ctx *qedi = qedi_conn->qedi; + struct iscsi_login_req_hdr login_req_pdu_header; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; + struct iscsi_task_params task_params; struct iscsi_task_context *fw_task_ctx; + struct qedi_ctx *qedi = qedi_conn->qedi; struct iscsi_login_req *login_hdr; - struct iscsi_login_req_hdr *fw_login_req = NULL; - struct iscsi_cached_sge_ctx *cached_sge = NULL; - struct iscsi_sge *single_sge = NULL; - struct iscsi_sge *req_sge = NULL; - struct iscsi_sge *resp_sge = NULL; + struct scsi_sge *req_sge = NULL; + struct scsi_sge *resp_sge = NULL; struct qedi_cmd *qedi_cmd; - s16 ptu_invalidate = 0; + struct qedi_endpoint *ep; s16 tid = 0; + u16 sq_idx = 0; + int rval = 0; - req_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; - resp_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + req_sge = (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; qedi_cmd = (struct qedi_cmd *)task->dd_data; + ep = qedi_conn->ep; login_hdr = (struct iscsi_login_req *)task->hdr; tid = qedi_get_task_idx(qedi); if (tid == -1) return -ENOMEM; - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); qedi_cmd->task_id = tid; - /* Ystorm context */ - fw_login_req = &fw_task_ctx->ystorm_st_context.pdu_hdr.login_req; - fw_login_req->opcode = login_hdr->opcode; - fw_login_req->version_min = login_hdr->min_version; - fw_login_req->version_max = login_hdr->max_version; - fw_login_req->flags_attr = login_hdr->flags; - fw_login_req->isid_tabc = *((u16 *)login_hdr->isid + 2); - fw_login_req->isid_d = *((u32 *)login_hdr->isid); - fw_login_req->tsih = login_hdr->tsih; - qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); - fw_login_req->itt = qedi_set_itt(tid, get_itt(task->itt)); - fw_login_req->cid = qedi_conn->iscsi_conn_id; - fw_login_req->cmd_sn = be32_to_cpu(login_hdr->cmdsn); - fw_login_req->exp_stat_sn = be32_to_cpu(login_hdr->exp_statsn); - fw_login_req->exp_stat_sn = 0; - - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } + memset(&task_params, 0, sizeof(task_params)); + memset(&login_req_pdu_header, 0, sizeof(login_req_pdu_header)); + memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params)); + /* Update header info */ + login_req_pdu_header.opcode = login_hdr->opcode; + login_req_pdu_header.version_min = login_hdr->min_version; + login_req_pdu_header.version_max = login_hdr->max_version; + login_req_pdu_header.flags_attr = login_hdr->flags; + login_req_pdu_header.isid_tabc = swab32p((u32 *)login_hdr->isid); + login_req_pdu_header.isid_d = swab16p((u16 *)&login_hdr->isid[4]); + + login_req_pdu_header.tsih = login_hdr->tsih; + login_req_pdu_header.hdr_second_dword = ntoh24(login_hdr->dlength); - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; - cached_sge = - &fw_task_ctx->ystorm_st_context.state.sgl_ctx_union.cached_sge; - cached_sge->sge.sge_len = req_sge->sge_len; - cached_sge->sge.sge_addr.lo = (u32)(qedi_conn->gen_pdu.req_dma_addr); - cached_sge->sge.sge_addr.hi = - (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); - - /* Mstorm context */ - single_sge = &fw_task_ctx->mstorm_st_context.sgl_union.single_sge; - fw_task_ctx->mstorm_st_context.task_type = 0x2; - fw_task_ctx->mstorm_ag_context.task_cid = (u16)qedi_conn->iscsi_conn_id; - single_sge->sge_addr.lo = resp_sge->sge_addr.lo; - single_sge->sge_addr.hi = resp_sge->sge_addr.hi; - single_sge->sge_len = resp_sge->sge_len; - - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SINGLE_SGE, 1); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - fw_task_ctx->mstorm_st_context.sgl_size = 1; - fw_task_ctx->mstorm_st_context.rem_task_size = resp_sge->sge_len; - - /* Ustorm context */ - fw_task_ctx->ustorm_st_context.rem_rcv_len = resp_sge->sge_len; - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = - ntoh24(login_hdr->dlength); - fw_task_ctx->ustorm_st_context.exp_data_sn = 0; - fw_task_ctx->ustorm_st_context.cq_rss_number = 0; - fw_task_ctx->ustorm_st_context.task_type = 0x2; - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - fw_task_ctx->ustorm_ag_context.exp_data_acked = - ntoh24(login_hdr->dlength); - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); - SET_FIELD(fw_task_ctx->ustorm_st_context.flags, - USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 0); + qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); + login_req_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt)); + login_req_pdu_header.cid = qedi_conn->iscsi_conn_id; + login_req_pdu_header.cmd_sn = be32_to_cpu(login_hdr->cmdsn); + login_req_pdu_header.exp_stat_sn = be32_to_cpu(login_hdr->exp_statsn); + login_req_pdu_header.exp_stat_sn = 0; + + /* Fill tx AHS and rx buffer */ + tx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + tx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.req_dma_addr); + tx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); + tx_sgl_task_params.total_buffer_size = ntoh24(login_hdr->dlength); + tx_sgl_task_params.num_sges = 1; + + rx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + rx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.resp_dma_addr); + rx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32); + rx_sgl_task_params.total_buffer_size = resp_sge->sge_len; + rx_sgl_task_params.num_sges = 1; + + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = 0; + task_params.tx_io_size = ntoh24(login_hdr->dlength); + task_params.rx_io_size = resp_sge->sge_len; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + rval = init_initiator_login_request_task(&task_params, + &login_req_pdu_header, + &tx_sgl_task_params, + &rx_sgl_task_params); + if (rval) + return -1; spin_lock(&qedi_conn->list_lock); list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list); @@ -1173,7 +1120,6 @@ int qedi_send_iscsi_login(struct qedi_conn *qedi_conn, qedi_conn->active_cmd_count++; spin_unlock(&qedi_conn->list_lock); - qedi_add_to_sq(qedi_conn, task, tid, ptu_invalidate, false); qedi_ring_doorbell(qedi_conn); return 0; } @@ -1181,65 +1127,64 @@ int qedi_send_iscsi_login(struct qedi_conn *qedi_conn, int qedi_send_iscsi_logout(struct qedi_conn *qedi_conn, struct iscsi_task *task) { - struct qedi_ctx *qedi = qedi_conn->qedi; - struct iscsi_logout_req_hdr *fw_logout_req = NULL; - struct iscsi_task_context *fw_task_ctx = NULL; + struct iscsi_logout_req_hdr logout_pdu_header; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; + struct iscsi_task_params task_params; + struct iscsi_task_context *fw_task_ctx; struct iscsi_logout *logout_hdr = NULL; - struct qedi_cmd *qedi_cmd = NULL; - s16 tid = 0; - s16 ptu_invalidate = 0; + struct qedi_ctx *qedi = qedi_conn->qedi; + struct qedi_cmd *qedi_cmd; + struct qedi_endpoint *ep; + s16 tid = 0; + u16 sq_idx = 0; + int rval = 0; qedi_cmd = (struct qedi_cmd *)task->dd_data; logout_hdr = (struct iscsi_logout *)task->hdr; + ep = qedi_conn->ep; tid = qedi_get_task_idx(qedi); if (tid == -1) return -ENOMEM; - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); - + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); + qedi_cmd->task_id = tid; - /* Ystorm context */ - fw_logout_req = &fw_task_ctx->ystorm_st_context.pdu_hdr.logout_req; - fw_logout_req->opcode = ISCSI_OPCODE_LOGOUT_REQUEST; - fw_logout_req->reason_code = 0x80 | logout_hdr->flags; - qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); - fw_logout_req->itt = qedi_set_itt(tid, get_itt(task->itt)); - fw_logout_req->exp_stat_sn = be32_to_cpu(logout_hdr->exp_statsn); - fw_logout_req->cmd_sn = be32_to_cpu(logout_hdr->cmdsn); + memset(&task_params, 0, sizeof(task_params)); + memset(&logout_pdu_header, 0, sizeof(logout_pdu_header)); + memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params)); - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; - fw_logout_req->cid = qedi_conn->iscsi_conn_id; - fw_task_ctx->ystorm_st_context.state.buffer_offset[0] = 0; - - /* Mstorm context */ - fw_task_ctx->mstorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->mstorm_ag_context.task_cid = (u16)qedi_conn->iscsi_conn_id; - - /* Ustorm context */ - fw_task_ctx->ustorm_st_context.rem_rcv_len = 0; - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = 0; - fw_task_ctx->ustorm_st_context.exp_data_sn = 0; - fw_task_ctx->ustorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->ustorm_st_context.cq_rss_number = 0; - - SET_FIELD(fw_task_ctx->ustorm_st_context.flags, - USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 0); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); + /* Update header info */ + logout_pdu_header.opcode = logout_hdr->opcode; + logout_pdu_header.reason_code = 0x80 | logout_hdr->flags; + qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); + logout_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt)); + logout_pdu_header.exp_stat_sn = be32_to_cpu(logout_hdr->exp_statsn); + logout_pdu_header.cmd_sn = be32_to_cpu(logout_hdr->cmdsn); + logout_pdu_header.cid = qedi_conn->iscsi_conn_id; + + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = 0; + task_params.tx_io_size = 0; + task_params.rx_io_size = 0; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + + rval = init_initiator_logout_request_task(&task_params, + &logout_pdu_header, + NULL, NULL); + if (rval) + return -1; spin_lock(&qedi_conn->list_lock); list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list); @@ -1247,9 +1192,7 @@ int qedi_send_iscsi_logout(struct qedi_conn *qedi_conn, qedi_conn->active_cmd_count++; spin_unlock(&qedi_conn->list_lock); - qedi_add_to_sq(qedi_conn, task, tid, ptu_invalidate, false); qedi_ring_doorbell(qedi_conn); - return 0; } @@ -1533,47 +1476,46 @@ ldel_exit: static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, struct iscsi_task *mtask) { - struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data; + struct iscsi_tmf_request_hdr tmf_pdu_header; + struct iscsi_task_params task_params; struct qedi_ctx *qedi = qedi_conn->qedi; struct iscsi_task_context *fw_task_ctx; - struct iscsi_tmf_request_hdr *fw_tmf_request; - struct iscsi_sge *single_sge; - struct qedi_cmd *qedi_cmd; - struct qedi_cmd *cmd; + struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data; struct iscsi_task *ctask; struct iscsi_tm *tmf_hdr; - struct iscsi_sge *req_sge; - struct iscsi_sge *resp_sge; - u32 lun[2]; - s16 tid = 0, ptu_invalidate = 0; + struct qedi_cmd *qedi_cmd; + struct qedi_cmd *cmd; + struct qedi_endpoint *ep; + u32 scsi_lun[2]; + s16 tid = 0; + u16 sq_idx = 0; + int rval = 0; - req_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; - resp_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; - qedi_cmd = (struct qedi_cmd *)mtask->dd_data; tmf_hdr = (struct iscsi_tm *)mtask->hdr; + qedi_cmd = (struct qedi_cmd *)mtask->dd_data; + ep = qedi_conn->ep; - tid = qedi_cmd->task_id; - qedi_update_itt_map(qedi, tid, mtask->itt, qedi_cmd); + tid = qedi_get_task_idx(qedi); + if (tid == -1) + return -ENOMEM; - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); - fw_tmf_request = &fw_task_ctx->ystorm_st_context.pdu_hdr.tmf_request; - fw_tmf_request->itt = qedi_set_itt(tid, get_itt(mtask->itt)); - fw_tmf_request->cmd_sn = be32_to_cpu(tmf_hdr->cmdsn); + qedi_cmd->task_id = tid; - memcpy(lun, &tmf_hdr->lun, sizeof(struct scsi_lun)); - fw_tmf_request->lun.lo = be32_to_cpu(lun[0]); - fw_tmf_request->lun.hi = be32_to_cpu(lun[1]); + memset(&task_params, 0, sizeof(task_params)); + memset(&tmf_pdu_header, 0, sizeof(tmf_pdu_header)); - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; + /* Update header info */ + qedi_update_itt_map(qedi, tid, mtask->itt, qedi_cmd); + tmf_pdu_header.itt = qedi_set_itt(tid, get_itt(mtask->itt)); + tmf_pdu_header.cmd_sn = be32_to_cpu(tmf_hdr->cmdsn); + + memcpy(scsi_lun, &tmf_hdr->lun, sizeof(struct scsi_lun)); + tmf_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]); + tmf_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]); if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) == ISCSI_TM_FUNC_ABORT_TASK) { @@ -1584,53 +1526,34 @@ static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, return 0; } cmd = (struct qedi_cmd *)ctask->dd_data; - fw_tmf_request->rtt = + tmf_pdu_header.rtt = qedi_set_itt(cmd->task_id, get_itt(tmf_hdr->rtt)); } else { - fw_tmf_request->rtt = ISCSI_RESERVED_TAG; + tmf_pdu_header.rtt = ISCSI_RESERVED_TAG; } - fw_tmf_request->opcode = tmf_hdr->opcode; - fw_tmf_request->function = tmf_hdr->flags; - fw_tmf_request->hdr_second_dword = ntoh24(tmf_hdr->dlength); - fw_tmf_request->ref_cmd_sn = be32_to_cpu(tmf_hdr->refcmdsn); - - single_sge = &fw_task_ctx->mstorm_st_context.sgl_union.single_sge; - fw_task_ctx->mstorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->mstorm_ag_context.task_cid = (u16)qedi_conn->iscsi_conn_id; - single_sge->sge_addr.lo = resp_sge->sge_addr.lo; - single_sge->sge_addr.hi = resp_sge->sge_addr.hi; - single_sge->sge_len = resp_sge->sge_len; - - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SINGLE_SGE, 1); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - fw_task_ctx->mstorm_st_context.sgl_size = 1; - fw_task_ctx->mstorm_st_context.rem_task_size = resp_sge->sge_len; - - /* Ustorm context */ - fw_task_ctx->ustorm_st_context.rem_rcv_len = 0; - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = 0; - fw_task_ctx->ustorm_st_context.exp_data_sn = 0; - fw_task_ctx->ustorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->ustorm_st_context.cq_rss_number = 0; - - SET_FIELD(fw_task_ctx->ustorm_st_context.flags, - USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 0); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); - fw_task_ctx->ustorm_st_context.lun.lo = be32_to_cpu(lun[0]); - fw_task_ctx->ustorm_st_context.lun.hi = be32_to_cpu(lun[1]); + tmf_pdu_header.opcode = tmf_hdr->opcode; + tmf_pdu_header.function = tmf_hdr->flags; + tmf_pdu_header.hdr_second_dword = ntoh24(tmf_hdr->dlength); + tmf_pdu_header.ref_cmd_sn = be32_to_cpu(tmf_hdr->refcmdsn); - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, - "Add TMF to SQ, tmf tid=0x%x, itt=0x%x, cid=0x%x\n", - tid, mtask->itt, qedi_conn->iscsi_conn_id); + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = 0; + task_params.tx_io_size = 0; + task_params.rx_io_size = 0; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + rval = init_initiator_tmf_request_task(&task_params, + &tmf_pdu_header); + if (rval) + return -1; spin_lock(&qedi_conn->list_lock); list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list); @@ -1638,7 +1561,6 @@ static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, qedi_conn->active_cmd_count++; spin_unlock(&qedi_conn->list_lock); - qedi_add_to_sq(qedi_conn, mtask, tid, ptu_invalidate, false); qedi_ring_doorbell(qedi_conn); return 0; } @@ -1689,101 +1611,98 @@ int qedi_iscsi_abort_work(struct qedi_conn *qedi_conn, int qedi_send_iscsi_text(struct qedi_conn *qedi_conn, struct iscsi_task *task) { - struct qedi_ctx *qedi = qedi_conn->qedi; + struct iscsi_text_request_hdr text_request_pdu_header; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; + struct iscsi_task_params task_params; struct iscsi_task_context *fw_task_ctx; - struct iscsi_text_request_hdr *fw_text_request; - struct iscsi_cached_sge_ctx *cached_sge; - struct iscsi_sge *single_sge; - struct qedi_cmd *qedi_cmd; - /* For 6.5 hdr iscsi_hdr */ + struct qedi_ctx *qedi = qedi_conn->qedi; struct iscsi_text *text_hdr; - struct iscsi_sge *req_sge; - struct iscsi_sge *resp_sge; - s16 ptu_invalidate = 0; + struct scsi_sge *req_sge = NULL; + struct scsi_sge *resp_sge = NULL; + struct qedi_cmd *qedi_cmd; + struct qedi_endpoint *ep; s16 tid = 0; + u16 sq_idx = 0; + int rval = 0; - req_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; - resp_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + req_sge = (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; qedi_cmd = (struct qedi_cmd *)task->dd_data; text_hdr = (struct iscsi_text *)task->hdr; + ep = qedi_conn->ep; tid = qedi_get_task_idx(qedi); if (tid == -1) return -ENOMEM; - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); qedi_cmd->task_id = tid; - /* Ystorm context */ - fw_text_request = - &fw_task_ctx->ystorm_st_context.pdu_hdr.text_request; - fw_text_request->opcode = text_hdr->opcode; - fw_text_request->flags_attr = text_hdr->flags; + memset(&task_params, 0, sizeof(task_params)); + memset(&text_request_pdu_header, 0, sizeof(text_request_pdu_header)); + memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params)); + + /* Update header info */ + text_request_pdu_header.opcode = text_hdr->opcode; + text_request_pdu_header.flags_attr = text_hdr->flags; qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); - fw_text_request->itt = qedi_set_itt(tid, get_itt(task->itt)); - fw_text_request->ttt = text_hdr->ttt; - fw_text_request->cmd_sn = be32_to_cpu(text_hdr->cmdsn); - fw_text_request->exp_stat_sn = be32_to_cpu(text_hdr->exp_statsn); - fw_text_request->hdr_second_dword = ntoh24(text_hdr->dlength); - - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; - - cached_sge = - &fw_task_ctx->ystorm_st_context.state.sgl_ctx_union.cached_sge; - cached_sge->sge.sge_len = req_sge->sge_len; - cached_sge->sge.sge_addr.lo = (u32)(qedi_conn->gen_pdu.req_dma_addr); - cached_sge->sge.sge_addr.hi = + text_request_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt)); + text_request_pdu_header.ttt = text_hdr->ttt; + text_request_pdu_header.cmd_sn = be32_to_cpu(text_hdr->cmdsn); + text_request_pdu_header.exp_stat_sn = be32_to_cpu(text_hdr->exp_statsn); + text_request_pdu_header.hdr_second_dword = ntoh24(text_hdr->dlength); + + /* Fill tx AHS and rx buffer */ + tx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + tx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.req_dma_addr); + tx_sgl_task_params.sgl_phys_addr.hi = (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); + tx_sgl_task_params.total_buffer_size = req_sge->sge_len; + tx_sgl_task_params.num_sges = 1; + + rx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + rx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.resp_dma_addr); + rx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32); + rx_sgl_task_params.total_buffer_size = resp_sge->sge_len; + rx_sgl_task_params.num_sges = 1; + + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = 0; + task_params.tx_io_size = ntoh24(text_hdr->dlength); + task_params.rx_io_size = resp_sge->sge_len; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + rval = init_initiator_text_request_task(&task_params, + &text_request_pdu_header, + &tx_sgl_task_params, + &rx_sgl_task_params); + if (rval) + return -1; - /* Mstorm context */ - single_sge = &fw_task_ctx->mstorm_st_context.sgl_union.single_sge; - fw_task_ctx->mstorm_st_context.task_type = 0x2; - fw_task_ctx->mstorm_ag_context.task_cid = (u16)qedi_conn->iscsi_conn_id; - single_sge->sge_addr.lo = resp_sge->sge_addr.lo; - single_sge->sge_addr.hi = resp_sge->sge_addr.hi; - single_sge->sge_len = resp_sge->sge_len; - - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SINGLE_SGE, 1); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - fw_task_ctx->mstorm_st_context.sgl_size = 1; - fw_task_ctx->mstorm_st_context.rem_task_size = resp_sge->sge_len; - - /* Ustorm context */ - fw_task_ctx->ustorm_ag_context.exp_data_acked = - ntoh24(text_hdr->dlength); - fw_task_ctx->ustorm_st_context.rem_rcv_len = resp_sge->sge_len; - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = - ntoh24(text_hdr->dlength); - fw_task_ctx->ustorm_st_context.exp_data_sn = - be32_to_cpu(text_hdr->exp_statsn); - fw_task_ctx->ustorm_st_context.cq_rss_number = 0; - fw_task_ctx->ustorm_st_context.task_type = 0x2; - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); - - /* Add command in active command list */ spin_lock(&qedi_conn->list_lock); list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list); qedi_cmd->io_cmd_in_list = true; qedi_conn->active_cmd_count++; spin_unlock(&qedi_conn->list_lock); - qedi_add_to_sq(qedi_conn, task, tid, ptu_invalidate, false); qedi_ring_doorbell(qedi_conn); - return 0; } @@ -1791,58 +1710,62 @@ int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn, struct iscsi_task *task, char *datap, int data_len, int unsol) { + struct iscsi_nop_out_hdr nop_out_pdu_header; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; + struct iscsi_task_params task_params; struct qedi_ctx *qedi = qedi_conn->qedi; struct iscsi_task_context *fw_task_ctx; - struct iscsi_nop_out_hdr *fw_nop_out; - struct qedi_cmd *qedi_cmd; - /* For 6.5 hdr iscsi_hdr */ struct iscsi_nopout *nopout_hdr; - struct iscsi_cached_sge_ctx *cached_sge; - struct iscsi_sge *single_sge; - struct iscsi_sge *req_sge; - struct iscsi_sge *resp_sge; - u32 lun[2]; - s16 ptu_invalidate = 0; + struct scsi_sge *req_sge = NULL; + struct scsi_sge *resp_sge = NULL; + struct qedi_cmd *qedi_cmd; + struct qedi_endpoint *ep; + u32 scsi_lun[2]; s16 tid = 0; + u16 sq_idx = 0; + int rval = 0; - req_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; - resp_sge = (struct iscsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + req_sge = (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; qedi_cmd = (struct qedi_cmd *)task->dd_data; nopout_hdr = (struct iscsi_nopout *)task->hdr; + ep = qedi_conn->ep; tid = qedi_get_task_idx(qedi); - if (tid == -1) { - QEDI_WARN(&qedi->dbg_ctx, "Invalid tid\n"); + if (tid == -1) return -ENOMEM; - } - - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); + qedi_cmd->task_id = tid; - /* Ystorm context */ - fw_nop_out = &fw_task_ctx->ystorm_st_context.pdu_hdr.nop_out; - SET_FIELD(fw_nop_out->flags_attr, ISCSI_NOP_OUT_HDR_CONST1, 1); - SET_FIELD(fw_nop_out->flags_attr, ISCSI_NOP_OUT_HDR_RSRV, 0); + memset(&task_params, 0, sizeof(task_params)); + memset(&nop_out_pdu_header, 0, sizeof(nop_out_pdu_header)); + memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params)); + + /* Update header info */ + nop_out_pdu_header.opcode = nopout_hdr->opcode; + SET_FIELD(nop_out_pdu_header.flags_attr, ISCSI_NOP_OUT_HDR_CONST1, 1); + SET_FIELD(nop_out_pdu_header.flags_attr, ISCSI_NOP_OUT_HDR_RSRV, 0); - memcpy(lun, &nopout_hdr->lun, sizeof(struct scsi_lun)); - fw_nop_out->lun.lo = be32_to_cpu(lun[0]); - fw_nop_out->lun.hi = be32_to_cpu(lun[1]); + memcpy(scsi_lun, &nopout_hdr->lun, sizeof(struct scsi_lun)); + nop_out_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]); + nop_out_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]); + nop_out_pdu_header.cmd_sn = be32_to_cpu(nopout_hdr->cmdsn); + nop_out_pdu_header.exp_stat_sn = be32_to_cpu(nopout_hdr->exp_statsn); qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd); if (nopout_hdr->ttt != ISCSI_TTT_ALL_ONES) { - fw_nop_out->itt = be32_to_cpu(nopout_hdr->itt); - fw_nop_out->ttt = be32_to_cpu(nopout_hdr->ttt); - fw_task_ctx->ystorm_st_context.state.buffer_offset[0] = 0; - fw_task_ctx->ystorm_st_context.state.local_comp = 1; - SET_FIELD(fw_task_ctx->ustorm_st_context.flags, - USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 1); + nop_out_pdu_header.itt = be32_to_cpu(nopout_hdr->itt); + nop_out_pdu_header.ttt = be32_to_cpu(nopout_hdr->ttt); } else { - fw_nop_out->itt = qedi_set_itt(tid, get_itt(task->itt)); - fw_nop_out->ttt = ISCSI_TTT_ALL_ONES; - fw_task_ctx->ystorm_st_context.state.buffer_offset[0] = 0; + nop_out_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt)); + nop_out_pdu_header.ttt = ISCSI_TTT_ALL_ONES; spin_lock(&qedi_conn->list_lock); list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list); @@ -1851,53 +1774,46 @@ int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn, spin_unlock(&qedi_conn->list_lock); } - fw_nop_out->opcode = ISCSI_OPCODE_NOP_OUT; - fw_nop_out->cmd_sn = be32_to_cpu(nopout_hdr->cmdsn); - fw_nop_out->exp_stat_sn = be32_to_cpu(nopout_hdr->exp_statsn); - - cached_sge = - &fw_task_ctx->ystorm_st_context.state.sgl_ctx_union.cached_sge; - cached_sge->sge.sge_len = req_sge->sge_len; - cached_sge->sge.sge_addr.lo = (u32)(qedi_conn->gen_pdu.req_dma_addr); - cached_sge->sge.sge_addr.hi = - (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); - - /* Mstorm context */ - fw_task_ctx->mstorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->mstorm_ag_context.task_cid = (u16)qedi_conn->iscsi_conn_id; - - single_sge = &fw_task_ctx->mstorm_st_context.sgl_union.single_sge; - single_sge->sge_addr.lo = resp_sge->sge_addr.lo; - single_sge->sge_addr.hi = resp_sge->sge_addr.hi; - single_sge->sge_len = resp_sge->sge_len; - fw_task_ctx->mstorm_st_context.rem_task_size = resp_sge->sge_len; - - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; - /* Ustorm context */ - fw_task_ctx->ustorm_st_context.rem_rcv_len = resp_sge->sge_len; - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = data_len; - fw_task_ctx->ustorm_st_context.exp_data_sn = 0; - fw_task_ctx->ustorm_st_context.task_type = ISCSI_TASK_TYPE_MIDPATH; - fw_task_ctx->ustorm_st_context.cq_rss_number = 0; - - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); - - fw_task_ctx->ustorm_st_context.lun.lo = be32_to_cpu(lun[0]); - fw_task_ctx->ustorm_st_context.lun.hi = be32_to_cpu(lun[1]); - - qedi_add_to_sq(qedi_conn, task, tid, ptu_invalidate, false); + /* Fill tx AHS and rx buffer */ + if (data_len) { + tx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + tx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.req_dma_addr); + tx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); + tx_sgl_task_params.total_buffer_size = data_len; + tx_sgl_task_params.num_sges = 1; + + rx_sgl_task_params.sgl = + (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + rx_sgl_task_params.sgl_phys_addr.lo = + (u32)(qedi_conn->gen_pdu.resp_dma_addr); + rx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32); + rx_sgl_task_params.total_buffer_size = resp_sge->sge_len; + rx_sgl_task_params.num_sges = 1; + } + + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = 0; + task_params.tx_io_size = data_len; + task_params.rx_io_size = resp_sge->sge_len; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + rval = init_initiator_nop_out_task(&task_params, + &nop_out_pdu_header, + &tx_sgl_task_params, + &rx_sgl_task_params); + if (rval) + return -1; + qedi_ring_doorbell(qedi_conn); return 0; } @@ -1905,7 +1821,7 @@ int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn, static int qedi_split_bd(struct qedi_cmd *cmd, u64 addr, int sg_len, int bd_index) { - struct iscsi_sge *bd = cmd->io_tbl.sge_tbl; + struct scsi_sge *bd = cmd->io_tbl.sge_tbl; int frag_size, sg_frags; sg_frags = 0; @@ -1938,7 +1854,7 @@ static int qedi_split_bd(struct qedi_cmd *cmd, u64 addr, int sg_len, static int qedi_map_scsi_sg(struct qedi_ctx *qedi, struct qedi_cmd *cmd) { struct scsi_cmnd *sc = cmd->scsi_cmd; - struct iscsi_sge *bd = cmd->io_tbl.sge_tbl; + struct scsi_sge *bd = cmd->io_tbl.sge_tbl; struct scatterlist *sg; int byte_count = 0; int bd_count = 0; @@ -2040,7 +1956,7 @@ static void qedi_iscsi_map_sg_list(struct qedi_cmd *cmd) if (bd_count == 0) return; } else { - struct iscsi_sge *bd = cmd->io_tbl.sge_tbl; + struct scsi_sge *bd = cmd->io_tbl.sge_tbl; bd[0].sge_addr.lo = 0; bd[0].sge_addr.hi = 0; @@ -2136,244 +2052,182 @@ int qedi_iscsi_send_ioreq(struct iscsi_task *task) struct qedi_conn *qedi_conn = conn->dd_data; struct qedi_cmd *cmd = task->dd_data; struct scsi_cmnd *sc = task->sc; + struct iscsi_cmd_hdr cmd_pdu_header; + struct scsi_sgl_task_params tx_sgl_task_params; + struct scsi_sgl_task_params rx_sgl_task_params; + struct scsi_sgl_task_params *prx_sgl = NULL; + struct scsi_sgl_task_params *ptx_sgl = NULL; + struct iscsi_task_params task_params; + struct iscsi_conn_params conn_params; + struct scsi_initiator_cmd_params cmd_params; struct iscsi_task_context *fw_task_ctx; - struct iscsi_cached_sge_ctx *cached_sge; - struct iscsi_phys_sgl_ctx *phys_sgl; - struct iscsi_virt_sgl_ctx *virt_sgl; - struct ystorm_iscsi_task_st_ctx *yst_cxt; - struct mstorm_iscsi_task_st_ctx *mst_cxt; - struct iscsi_sgl *sgl_struct; - struct iscsi_sge *single_sge; + struct iscsi_cls_conn *cls_conn; struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)task->hdr; - struct iscsi_sge *bd = cmd->io_tbl.sge_tbl; - enum iscsi_task_type task_type; - struct iscsi_cmd_hdr *fw_cmd; - u32 lun[2]; - u32 exp_data; - u16 cq_idx = smp_processor_id() % qedi->num_queues; - s16 ptu_invalidate = 0; + enum iscsi_task_type task_type = MAX_ISCSI_TASK_TYPE; + struct qedi_endpoint *ep; + u32 scsi_lun[2]; s16 tid = 0; - u8 num_fast_sgs; + u16 sq_idx = 0; + u16 cq_idx; + int rval = 0; - tid = qedi_get_task_idx(qedi); - if (tid == -1) - return -ENOMEM; + ep = qedi_conn->ep; + cls_conn = qedi_conn->cls_conn; + conn = cls_conn->dd_data; qedi_iscsi_map_sg_list(cmd); + int_to_scsilun(sc->device->lun, (struct scsi_lun *)scsi_lun); - int_to_scsilun(sc->device->lun, (struct scsi_lun *)lun); - fw_task_ctx = qedi_get_task_mem(&qedi->tasks, tid); + tid = qedi_get_task_idx(qedi); + if (tid == -1) + return -ENOMEM; + fw_task_ctx = + (struct iscsi_task_context *)qedi_get_task_mem(&qedi->tasks, tid); memset(fw_task_ctx, 0, sizeof(struct iscsi_task_context)); - cmd->task_id = tid; - /* Ystorm context */ - fw_cmd = &fw_task_ctx->ystorm_st_context.pdu_hdr.cmd; - SET_FIELD(fw_cmd->flags_attr, ISCSI_CMD_HDR_ATTR, ISCSI_ATTR_SIMPLE); + cmd->task_id = tid; + memset(&task_params, 0, sizeof(task_params)); + memset(&cmd_pdu_header, 0, sizeof(cmd_pdu_header)); + memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params)); + memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params)); + memset(&conn_params, 0, sizeof(conn_params)); + memset(&cmd_params, 0, sizeof(cmd_params)); + + cq_idx = smp_processor_id() % qedi->num_queues; + /* Update header info */ + SET_FIELD(cmd_pdu_header.flags_attr, ISCSI_CMD_HDR_ATTR, + ISCSI_ATTR_SIMPLE); if (sc->sc_data_direction == DMA_TO_DEVICE) { - if (conn->session->initial_r2t_en) { - exp_data = min((conn->session->imm_data_en * - conn->max_xmit_dlength), - conn->session->first_burst); - exp_data = min(exp_data, scsi_bufflen(sc)); - fw_task_ctx->ustorm_ag_context.exp_data_acked = - cpu_to_le32(exp_data); - } else { - fw_task_ctx->ustorm_ag_context.exp_data_acked = - min(conn->session->first_burst, scsi_bufflen(sc)); - } - - SET_FIELD(fw_cmd->flags_attr, ISCSI_CMD_HDR_WRITE, 1); + SET_FIELD(cmd_pdu_header.flags_attr, + ISCSI_CMD_HDR_WRITE, 1); task_type = ISCSI_TASK_TYPE_INITIATOR_WRITE; } else { - if (scsi_bufflen(sc)) - SET_FIELD(fw_cmd->flags_attr, ISCSI_CMD_HDR_READ, 1); + SET_FIELD(cmd_pdu_header.flags_attr, + ISCSI_CMD_HDR_READ, 1); task_type = ISCSI_TASK_TYPE_INITIATOR_READ; } - fw_cmd->lun.lo = be32_to_cpu(lun[0]); - fw_cmd->lun.hi = be32_to_cpu(lun[1]); + cmd_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]); + cmd_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]); qedi_update_itt_map(qedi, tid, task->itt, cmd); - fw_cmd->itt = qedi_set_itt(tid, get_itt(task->itt)); - fw_cmd->expected_transfer_length = scsi_bufflen(sc); - fw_cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); - fw_cmd->opcode = hdr->opcode; - qedi_cpy_scsi_cdb(sc, (u32 *)fw_cmd->cdb); - - /* Mstorm context */ - fw_task_ctx->mstorm_st_context.sense_db.lo = (u32)cmd->sense_buffer_dma; - fw_task_ctx->mstorm_st_context.sense_db.hi = - (u32)((u64)cmd->sense_buffer_dma >> 32); - fw_task_ctx->mstorm_ag_context.task_cid = qedi_conn->iscsi_conn_id; - fw_task_ctx->mstorm_st_context.task_type = task_type; - - if (qedi->tid_reuse_count[tid] == QEDI_MAX_TASK_NUM) { - ptu_invalidate = 1; - qedi->tid_reuse_count[tid] = 0; - } - fw_task_ctx->ystorm_st_context.state.reuse_count = - qedi->tid_reuse_count[tid]; - fw_task_ctx->mstorm_st_context.reuse_count = - qedi->tid_reuse_count[tid]++; - - /* Ustorm context */ - fw_task_ctx->ustorm_st_context.rem_rcv_len = scsi_bufflen(sc); - fw_task_ctx->ustorm_st_context.exp_data_transfer_len = scsi_bufflen(sc); - fw_task_ctx->ustorm_st_context.exp_data_sn = - be32_to_cpu(hdr->exp_statsn); - fw_task_ctx->ustorm_st_context.task_type = task_type; - fw_task_ctx->ustorm_st_context.cq_rss_number = cq_idx; - fw_task_ctx->ustorm_ag_context.icid = (u16)qedi_conn->iscsi_conn_id; - - SET_FIELD(fw_task_ctx->ustorm_ag_context.flags1, - USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); - SET_FIELD(fw_task_ctx->ustorm_st_context.flags, - USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 0); - - num_fast_sgs = (cmd->io_tbl.sge_valid ? - min((u16)QEDI_FAST_SGE_COUNT, - (u16)cmd->io_tbl.sge_valid) : 0); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, num_fast_sgs); - - fw_task_ctx->ustorm_st_context.lun.lo = be32_to_cpu(lun[0]); - fw_task_ctx->ustorm_st_context.lun.hi = be32_to_cpu(lun[1]); - - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO, "Total sge count [%d]\n", - cmd->io_tbl.sge_valid); - - yst_cxt = &fw_task_ctx->ystorm_st_context; - mst_cxt = &fw_task_ctx->mstorm_st_context; - /* Tx path */ + cmd_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt)); + cmd_pdu_header.expected_transfer_length = cpu_to_be32(hdr->data_length); + cmd_pdu_header.hdr_second_dword = ntoh24(hdr->dlength); + cmd_pdu_header.cmd_sn = be32_to_cpu(hdr->cmdsn); + cmd_pdu_header.opcode = hdr->opcode; + qedi_cpy_scsi_cdb(sc, (u32 *)cmd_pdu_header.cdb); + + /* Fill tx AHS and rx buffer */ if (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) { - /* not considering superIO or FastIO */ - if (cmd->io_tbl.sge_valid == 1) { - cached_sge = &yst_cxt->state.sgl_ctx_union.cached_sge; - cached_sge->sge.sge_addr.lo = bd[0].sge_addr.lo; - cached_sge->sge.sge_addr.hi = bd[0].sge_addr.hi; - cached_sge->sge.sge_len = bd[0].sge_len; - qedi->cached_sgls++; - } else if ((cmd->io_tbl.sge_valid != 1) && cmd->use_slowpath) { - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 1); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - phys_sgl = &yst_cxt->state.sgl_ctx_union.phys_sgl; - phys_sgl->sgl_base.lo = (u32)(cmd->io_tbl.sge_tbl_dma); - phys_sgl->sgl_base.hi = - (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32); - phys_sgl->sgl_size = cmd->io_tbl.sge_valid; - qedi->slow_sgls++; - } else if ((cmd->io_tbl.sge_valid != 1) && !cmd->use_slowpath) { - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, - min((u16)QEDI_FAST_SGE_COUNT, - (u16)cmd->io_tbl.sge_valid)); - virt_sgl = &yst_cxt->state.sgl_ctx_union.virt_sgl; - virt_sgl->sgl_base.lo = (u32)(cmd->io_tbl.sge_tbl_dma); - virt_sgl->sgl_base.hi = + tx_sgl_task_params.sgl = cmd->io_tbl.sge_tbl; + tx_sgl_task_params.sgl_phys_addr.lo = + (u32)(cmd->io_tbl.sge_tbl_dma); + tx_sgl_task_params.sgl_phys_addr.hi = (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32); - virt_sgl->sgl_initial_offset = - (u32)bd[0].sge_addr.lo & (QEDI_PAGE_SIZE - 1); - qedi->fast_sgls++; - } - fw_task_ctx->mstorm_st_context.sgl_size = cmd->io_tbl.sge_valid; - fw_task_ctx->mstorm_st_context.rem_task_size = scsi_bufflen(sc); - } else { - /* Rx path */ - if (cmd->io_tbl.sge_valid == 1) { - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SINGLE_SGE, 1); - single_sge = &mst_cxt->sgl_union.single_sge; - single_sge->sge_addr.lo = bd[0].sge_addr.lo; - single_sge->sge_addr.hi = bd[0].sge_addr.hi; - single_sge->sge_len = bd[0].sge_len; - qedi->cached_sgls++; - } else if ((cmd->io_tbl.sge_valid != 1) && cmd->use_slowpath) { - sgl_struct = &mst_cxt->sgl_union.sgl_struct; - sgl_struct->sgl_addr.lo = - (u32)(cmd->io_tbl.sge_tbl_dma); - sgl_struct->sgl_addr.hi = - (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 1); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - sgl_struct->updated_sge_size = 0; - sgl_struct->updated_sge_offset = 0; - qedi->slow_sgls++; - } else if ((cmd->io_tbl.sge_valid != 1) && !cmd->use_slowpath) { - sgl_struct = &mst_cxt->sgl_union.sgl_struct; - sgl_struct->sgl_addr.lo = - (u32)(cmd->io_tbl.sge_tbl_dma); - sgl_struct->sgl_addr.hi = - (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32); - sgl_struct->byte_offset = - (u32)bd[0].sge_addr.lo & (QEDI_PAGE_SIZE - 1); - SET_FIELD(fw_task_ctx->mstorm_st_context.flags.mflags, - ISCSI_MFLAGS_SLOW_IO, 0); - SET_FIELD(fw_task_ctx->ustorm_st_context.reg1.reg1_map, - ISCSI_REG1_NUM_FAST_SGES, 0); - sgl_struct->updated_sge_size = 0; - sgl_struct->updated_sge_offset = 0; - qedi->fast_sgls++; - } - fw_task_ctx->mstorm_st_context.sgl_size = cmd->io_tbl.sge_valid; - fw_task_ctx->mstorm_st_context.rem_task_size = scsi_bufflen(sc); - } - - if (cmd->io_tbl.sge_valid == 1) - /* Singel-SGL */ - qedi->use_cached_sge = true; - else { + tx_sgl_task_params.total_buffer_size = scsi_bufflen(sc); + tx_sgl_task_params.num_sges = cmd->io_tbl.sge_valid; if (cmd->use_slowpath) - qedi->use_slow_sge = true; - else - qedi->use_fast_sge = true; - } + tx_sgl_task_params.small_mid_sge = true; + } else if (task_type == ISCSI_TASK_TYPE_INITIATOR_READ) { + rx_sgl_task_params.sgl = cmd->io_tbl.sge_tbl; + rx_sgl_task_params.sgl_phys_addr.lo = + (u32)(cmd->io_tbl.sge_tbl_dma); + rx_sgl_task_params.sgl_phys_addr.hi = + (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32); + rx_sgl_task_params.total_buffer_size = scsi_bufflen(sc); + rx_sgl_task_params.num_sges = cmd->io_tbl.sge_valid; + } + + /* Add conn param */ + conn_params.first_burst_length = conn->session->first_burst; + conn_params.max_send_pdu_length = conn->max_xmit_dlength; + conn_params.max_burst_length = conn->session->max_burst; + if (conn->session->initial_r2t_en) + conn_params.initial_r2t = true; + if (conn->session->imm_data_en) + conn_params.immediate_data = true; + + /* Add cmd params */ + cmd_params.sense_data_buffer_phys_addr.lo = (u32)cmd->sense_buffer_dma; + cmd_params.sense_data_buffer_phys_addr.hi = + (u32)((u64)cmd->sense_buffer_dma >> 32); + /* Fill fw input params */ + task_params.context = fw_task_ctx; + task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id; + task_params.itid = tid; + task_params.cq_rss_number = cq_idx; + if (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) + task_params.tx_io_size = scsi_bufflen(sc); + else if (task_type == ISCSI_TASK_TYPE_INITIATOR_READ) + task_params.rx_io_size = scsi_bufflen(sc); + + sq_idx = qedi_get_wqe_idx(qedi_conn); + task_params.sqe = &ep->sq[sq_idx]; + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO, - "%s: %s-SGL: num_sges=0x%x first-sge-lo=0x%x first-sge-hi=0x%x", + "%s: %s-SGL: sg_len=0x%x num_sges=0x%x first-sge-lo=0x%x first-sge-hi=0x%x\n", (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) ? "Write " : "Read ", (cmd->io_tbl.sge_valid == 1) ? "Single" : (cmd->use_slowpath ? "SLOW" : "FAST"), - (u16)cmd->io_tbl.sge_valid, (u32)(cmd->io_tbl.sge_tbl_dma), + (u16)cmd->io_tbl.sge_valid, scsi_bufflen(sc), + (u32)(cmd->io_tbl.sge_tbl_dma), (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32)); - /* Add command in active command list */ + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + + if (task_params.tx_io_size != 0) + ptx_sgl = &tx_sgl_task_params; + if (task_params.rx_io_size != 0) + prx_sgl = &rx_sgl_task_params; + + rval = init_initiator_rw_iscsi_task(&task_params, &conn_params, + &cmd_params, &cmd_pdu_header, + ptx_sgl, prx_sgl, + NULL); + if (rval) + return -1; + spin_lock(&qedi_conn->list_lock); list_add_tail(&cmd->io_cmd, &qedi_conn->active_cmd_list); cmd->io_cmd_in_list = true; qedi_conn->active_cmd_count++; spin_unlock(&qedi_conn->list_lock); - qedi_add_to_sq(qedi_conn, task, tid, ptu_invalidate, false); qedi_ring_doorbell(qedi_conn); - if (qedi_io_tracing) - qedi_trace_io(qedi, task, tid, QEDI_IO_TRACE_REQ); - return 0; } int qedi_iscsi_cleanup_task(struct iscsi_task *task, bool mark_cmd_node_deleted) { + struct iscsi_task_params task_params; + struct qedi_endpoint *ep; struct iscsi_conn *conn = task->conn; struct qedi_conn *qedi_conn = conn->dd_data; struct qedi_cmd *cmd = task->dd_data; - s16 ptu_invalidate = 0; + u16 sq_idx = 0; + int rval = 0; QEDI_INFO(&qedi_conn->qedi->dbg_ctx, QEDI_LOG_SCSI_TM, "issue cleanup tid=0x%x itt=0x%x task_state=%d cmd_state=0%x cid=0x%x\n", cmd->task_id, get_itt(task->itt), task->state, cmd->state, qedi_conn->iscsi_conn_id); - qedi_add_to_sq(qedi_conn, task, cmd->task_id, ptu_invalidate, true); - qedi_ring_doorbell(qedi_conn); + memset(&task_params, 0, sizeof(task_params)); + ep = qedi_conn->ep; + + sq_idx = qedi_get_wqe_idx(qedi_conn); + + task_params.sqe = &ep->sq[sq_idx]; + memset(task_params.sqe, 0, sizeof(struct iscsi_wqe)); + task_params.itid = cmd->task_id; + rval = init_cleanup_task(&task_params); + if (rval) + return rval; + + qedi_ring_doorbell(qedi_conn); return 0; } diff --git a/drivers/scsi/qedi/qedi_fw_api.c b/drivers/scsi/qedi/qedi_fw_api.c new file mode 100644 index 000000000000..fd354d4e03eb --- /dev/null +++ b/drivers/scsi/qedi/qedi_fw_api.c @@ -0,0 +1,781 @@ +/* QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ + +#include <linux/types.h> +#include <asm/byteorder.h> +#include "qedi_hsi.h" +#include <linux/qed/qed_if.h> + +#include "qedi_fw_iscsi.h" +#include "qedi_fw_scsi.h" + +#define SCSI_NUM_SGES_IN_CACHE 0x4 + +static bool scsi_is_slow_sgl(u16 num_sges, bool small_mid_sge) +{ + return (num_sges > SCSI_NUM_SGES_SLOW_SGL_THR && small_mid_sge); +} + +static +void init_scsi_sgl_context(struct scsi_sgl_params *ctx_sgl_params, + struct scsi_cached_sges *ctx_data_desc, + struct scsi_sgl_task_params *sgl_task_params) +{ + u8 sge_index; + u8 num_sges; + u32 val; + + num_sges = (sgl_task_params->num_sges > SCSI_NUM_SGES_IN_CACHE) ? + SCSI_NUM_SGES_IN_CACHE : sgl_task_params->num_sges; + + /* sgl params */ + val = cpu_to_le32(sgl_task_params->sgl_phys_addr.lo); + ctx_sgl_params->sgl_addr.lo = val; + val = cpu_to_le32(sgl_task_params->sgl_phys_addr.hi); + ctx_sgl_params->sgl_addr.hi = val; + val = cpu_to_le32(sgl_task_params->total_buffer_size); + ctx_sgl_params->sgl_total_length = val; + ctx_sgl_params->sgl_num_sges = cpu_to_le16(sgl_task_params->num_sges); + + for (sge_index = 0; sge_index < num_sges; sge_index++) { + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_addr.lo); + ctx_data_desc->sge[sge_index].sge_addr.lo = val; + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_addr.hi); + ctx_data_desc->sge[sge_index].sge_addr.hi = val; + val = cpu_to_le32(sgl_task_params->sgl[sge_index].sge_len); + ctx_data_desc->sge[sge_index].sge_len = val; + } +} + +static u32 calc_rw_task_size(struct iscsi_task_params *task_params, + enum iscsi_task_type task_type, + struct scsi_sgl_task_params *sgl_task_params, + struct scsi_dif_task_params *dif_task_params) +{ + u32 io_size; + + if (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE || + task_type == ISCSI_TASK_TYPE_TARGET_READ) + io_size = task_params->tx_io_size; + else + io_size = task_params->rx_io_size; + + if (!io_size) + return 0; + + if (!dif_task_params) + return io_size; + + return !dif_task_params->dif_on_network ? + io_size : sgl_task_params->total_buffer_size; +} + +static void +init_dif_context_flags(struct iscsi_dif_flags *ctx_dif_flags, + struct scsi_dif_task_params *dif_task_params) +{ + if (!dif_task_params) + return; + + SET_FIELD(ctx_dif_flags->flags, ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG, + dif_task_params->dif_block_size_log); + SET_FIELD(ctx_dif_flags->flags, ISCSI_DIF_FLAGS_DIF_TO_PEER, + dif_task_params->dif_on_network ? 1 : 0); + SET_FIELD(ctx_dif_flags->flags, ISCSI_DIF_FLAGS_HOST_INTERFACE, + dif_task_params->dif_on_host ? 1 : 0); +} + +static void init_sqe(struct iscsi_task_params *task_params, + struct scsi_sgl_task_params *sgl_task_params, + struct scsi_dif_task_params *dif_task_params, + struct iscsi_common_hdr *pdu_header, + struct scsi_initiator_cmd_params *cmd_params, + enum iscsi_task_type task_type, + bool is_cleanup) +{ + if (!task_params->sqe) + return; + + memset(task_params->sqe, 0, sizeof(*task_params->sqe)); + task_params->sqe->task_id = cpu_to_le16(task_params->itid); + if (is_cleanup) { + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_WQE_TYPE, + ISCSI_WQE_TYPE_TASK_CLEANUP); + return; + } + + switch (task_type) { + case ISCSI_TASK_TYPE_INITIATOR_WRITE: + { + u32 buf_size = 0; + u32 num_sges = 0; + + init_dif_context_flags(&task_params->sqe->prot_flags, + dif_task_params); + + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_WQE_TYPE, + ISCSI_WQE_TYPE_NORMAL); + + if (task_params->tx_io_size) { + buf_size = calc_rw_task_size(task_params, task_type, + sgl_task_params, + dif_task_params); + + if (scsi_is_slow_sgl(sgl_task_params->num_sges, + sgl_task_params->small_mid_sge)) + num_sges = ISCSI_WQE_NUM_SGES_SLOWIO; + else + num_sges = min(sgl_task_params->num_sges, + (u16)SCSI_NUM_SGES_SLOW_SGL_THR); + } + + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_NUM_SGES, num_sges); + SET_FIELD(task_params->sqe->contlen_cdbsize, ISCSI_WQE_CONT_LEN, + buf_size); + + if (GET_FIELD(pdu_header->hdr_second_dword, + ISCSI_CMD_HDR_TOTAL_AHS_LEN)) + SET_FIELD(task_params->sqe->contlen_cdbsize, ISCSI_WQE_CDB_SIZE, + cmd_params->extended_cdb_sge.sge_len); + } + break; + case ISCSI_TASK_TYPE_INITIATOR_READ: + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_WQE_TYPE, + ISCSI_WQE_TYPE_NORMAL); + + if (GET_FIELD(pdu_header->hdr_second_dword, + ISCSI_CMD_HDR_TOTAL_AHS_LEN)) + SET_FIELD(task_params->sqe->contlen_cdbsize, + ISCSI_WQE_CDB_SIZE, + cmd_params->extended_cdb_sge.sge_len); + break; + case ISCSI_TASK_TYPE_LOGIN_RESPONSE: + case ISCSI_TASK_TYPE_MIDPATH: + { + bool advance_statsn = true; + + if (task_type == ISCSI_TASK_TYPE_LOGIN_RESPONSE) + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_WQE_TYPE, + ISCSI_WQE_TYPE_LOGIN); + else + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_WQE_TYPE, + ISCSI_WQE_TYPE_MIDDLE_PATH); + + if (task_type == ISCSI_TASK_TYPE_MIDPATH) { + u8 opcode = GET_FIELD(pdu_header->hdr_first_byte, + ISCSI_COMMON_HDR_OPCODE); + + if (opcode != ISCSI_OPCODE_TEXT_RESPONSE && + (opcode != ISCSI_OPCODE_NOP_IN || + pdu_header->itt == ISCSI_TTT_ALL_ONES)) + advance_statsn = false; + } + + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_RESPONSE, + advance_statsn ? 1 : 0); + + if (task_params->tx_io_size) { + SET_FIELD(task_params->sqe->contlen_cdbsize, + ISCSI_WQE_CONT_LEN, task_params->tx_io_size); + + if (scsi_is_slow_sgl(sgl_task_params->num_sges, + sgl_task_params->small_mid_sge)) + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_NUM_SGES, + ISCSI_WQE_NUM_SGES_SLOWIO); + else + SET_FIELD(task_params->sqe->flags, ISCSI_WQE_NUM_SGES, + min(sgl_task_params->num_sges, + (u16)SCSI_NUM_SGES_SLOW_SGL_THR)); + } + } + break; + default: + break; + } +} + +static void init_default_iscsi_task(struct iscsi_task_params *task_params, + struct data_hdr *pdu_header, + enum iscsi_task_type task_type) +{ + struct iscsi_task_context *context; + u16 index; + u32 val; + + context = task_params->context; + memset(context, 0, sizeof(*context)); + + for (index = 0; index < + ARRAY_SIZE(context->ystorm_st_context.pdu_hdr.data.data); + index++) { + val = cpu_to_le32(pdu_header->data[index]); + context->ystorm_st_context.pdu_hdr.data.data[index] = val; + } + + context->mstorm_st_context.task_type = task_type; + context->mstorm_ag_context.task_cid = + cpu_to_le16(task_params->conn_icid); + + SET_FIELD(context->ustorm_ag_context.flags1, + USTORM_ISCSI_TASK_AG_CTX_R2T2RECV, 1); + + context->ustorm_st_context.task_type = task_type; + context->ustorm_st_context.cq_rss_number = task_params->cq_rss_number; + context->ustorm_ag_context.icid = cpu_to_le16(task_params->conn_icid); +} + +static +void init_initiator_rw_cdb_ystorm_context(struct ystorm_iscsi_task_st_ctx *ystc, + struct scsi_initiator_cmd_params *cmd) +{ + union iscsi_task_hdr *ctx_pdu_hdr = &ystc->pdu_hdr; + u32 val; + + if (!cmd->extended_cdb_sge.sge_len) + return; + + SET_FIELD(ctx_pdu_hdr->ext_cdb_cmd.hdr_second_dword, + ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE, + cmd->extended_cdb_sge.sge_len); + val = cpu_to_le32(cmd->extended_cdb_sge.sge_addr.lo); + ctx_pdu_hdr->ext_cdb_cmd.cdb_sge.sge_addr.lo = val; + val = cpu_to_le32(cmd->extended_cdb_sge.sge_addr.hi); + ctx_pdu_hdr->ext_cdb_cmd.cdb_sge.sge_addr.hi = val; + val = cpu_to_le32(cmd->extended_cdb_sge.sge_len); + ctx_pdu_hdr->ext_cdb_cmd.cdb_sge.sge_len = val; +} + +static +void init_ustorm_task_contexts(struct ustorm_iscsi_task_st_ctx *ustorm_st_cxt, + struct ustorm_iscsi_task_ag_ctx *ustorm_ag_cxt, + u32 remaining_recv_len, + u32 expected_data_transfer_len, + u8 num_sges, bool tx_dif_conn_err_en) +{ + u32 val; + + ustorm_st_cxt->rem_rcv_len = cpu_to_le32(remaining_recv_len); + ustorm_ag_cxt->exp_data_acked = cpu_to_le32(expected_data_transfer_len); + val = cpu_to_le32(expected_data_transfer_len); + ustorm_st_cxt->exp_data_transfer_len = val; + SET_FIELD(ustorm_st_cxt->reg1.reg1_map, ISCSI_REG1_NUM_SGES, num_sges); + SET_FIELD(ustorm_ag_cxt->flags2, + USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN, + tx_dif_conn_err_en ? 1 : 0); +} + +static +void set_rw_exp_data_acked_and_cont_len(struct iscsi_task_context *context, + struct iscsi_conn_params *conn_params, + enum iscsi_task_type task_type, + u32 task_size, + u32 exp_data_transfer_len, + u8 total_ahs_length) +{ + u32 max_unsolicited_data = 0, val; + + if (total_ahs_length && + (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE || + task_type == ISCSI_TASK_TYPE_INITIATOR_READ)) + SET_FIELD(context->ustorm_st_context.flags2, + USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST, 1); + + switch (task_type) { + case ISCSI_TASK_TYPE_INITIATOR_WRITE: + if (!conn_params->initial_r2t) + max_unsolicited_data = conn_params->first_burst_length; + else if (conn_params->immediate_data) + max_unsolicited_data = + min(conn_params->first_burst_length, + conn_params->max_send_pdu_length); + + context->ustorm_ag_context.exp_data_acked = + cpu_to_le32(total_ahs_length == 0 ? + min(exp_data_transfer_len, + max_unsolicited_data) : + ((u32)(total_ahs_length + + ISCSI_AHS_CNTL_SIZE))); + break; + case ISCSI_TASK_TYPE_TARGET_READ: + val = cpu_to_le32(exp_data_transfer_len); + context->ustorm_ag_context.exp_data_acked = val; + break; + case ISCSI_TASK_TYPE_INITIATOR_READ: + context->ustorm_ag_context.exp_data_acked = + cpu_to_le32((total_ahs_length == 0 ? 0 : + total_ahs_length + + ISCSI_AHS_CNTL_SIZE)); + break; + case ISCSI_TASK_TYPE_TARGET_WRITE: + val = cpu_to_le32(task_size); + context->ustorm_ag_context.exp_cont_len = val; + break; + default: + break; + } +} + +static +void init_rtdif_task_context(struct rdif_task_context *rdif_context, + struct tdif_task_context *tdif_context, + struct scsi_dif_task_params *dif_task_params, + enum iscsi_task_type task_type) +{ + u32 val; + + if (!dif_task_params->dif_on_network || !dif_task_params->dif_on_host) + return; + + if (task_type == ISCSI_TASK_TYPE_TARGET_WRITE || + task_type == ISCSI_TASK_TYPE_INITIATOR_READ) { + rdif_context->app_tag_value = + cpu_to_le16(dif_task_params->application_tag); + rdif_context->partial_crc_value = cpu_to_le16(0xffff); + val = cpu_to_le32(dif_task_params->initial_ref_tag); + rdif_context->initial_ref_tag = val; + rdif_context->app_tag_mask = + cpu_to_le16(dif_task_params->application_tag_mask); + SET_FIELD(rdif_context->flags0, RDIF_TASK_CONTEXT_CRC_SEED, + dif_task_params->crc_seed ? 1 : 0); + SET_FIELD(rdif_context->flags0, RDIF_TASK_CONTEXT_HOSTGUARDTYPE, + dif_task_params->host_guard_type); + SET_FIELD(rdif_context->flags0, + RDIF_TASK_CONTEXT_PROTECTIONTYPE, + dif_task_params->protection_type); + SET_FIELD(rdif_context->flags0, + RDIF_TASK_CONTEXT_INITIALREFTAGVALID, 1); + SET_FIELD(rdif_context->flags0, + RDIF_TASK_CONTEXT_KEEPREFTAGCONST, + dif_task_params->keep_ref_tag_const ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_VALIDATEAPPTAG, + (dif_task_params->validate_app_tag && + dif_task_params->dif_on_network) ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_VALIDATEGUARD, + (dif_task_params->validate_guard && + dif_task_params->dif_on_network) ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_VALIDATEREFTAG, + (dif_task_params->validate_ref_tag && + dif_task_params->dif_on_network) ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_HOSTINTERFACE, + dif_task_params->dif_on_host ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_NETWORKINTERFACE, + dif_task_params->dif_on_network ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_FORWARDGUARD, + dif_task_params->forward_guard ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_FORWARDAPPTAG, + dif_task_params->forward_app_tag ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_FORWARDREFTAG, + dif_task_params->forward_ref_tag ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_FORWARDAPPTAGWITHMASK, + dif_task_params->forward_app_tag_with_mask ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_FORWARDREFTAGWITHMASK, + dif_task_params->forward_ref_tag_with_mask ? 1 : 0); + SET_FIELD(rdif_context->flags1, + RDIF_TASK_CONTEXT_INTERVALSIZE, + dif_task_params->dif_block_size_log - 9); + SET_FIELD(rdif_context->state, + RDIF_TASK_CONTEXT_REFTAGMASK, + dif_task_params->ref_tag_mask); + SET_FIELD(rdif_context->state, RDIF_TASK_CONTEXT_IGNOREAPPTAG, + dif_task_params->ignore_app_tag); + } + + if (task_type == ISCSI_TASK_TYPE_TARGET_READ || + task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) { + tdif_context->app_tag_value = + cpu_to_le16(dif_task_params->application_tag); + tdif_context->partial_crc_valueB = + cpu_to_le16(dif_task_params->crc_seed ? 0xffff : 0x0000); + tdif_context->partial_crc_value_a = + cpu_to_le16(dif_task_params->crc_seed ? 0xffff : 0x0000); + SET_FIELD(tdif_context->flags0, TDIF_TASK_CONTEXT_CRC_SEED, + dif_task_params->crc_seed ? 1 : 0); + + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_SETERRORWITHEOP, + dif_task_params->tx_dif_conn_err_en ? 1 : 0); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_FORWARDGUARD, + dif_task_params->forward_guard ? 1 : 0); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_FORWARDAPPTAG, + dif_task_params->forward_app_tag ? 1 : 0); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_FORWARDREFTAG, + dif_task_params->forward_ref_tag ? 1 : 0); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_INTERVALSIZE, + dif_task_params->dif_block_size_log - 9); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_HOSTINTERFACE, + dif_task_params->dif_on_host ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_NETWORKINTERFACE, + dif_task_params->dif_on_network ? 1 : 0); + val = cpu_to_le32(dif_task_params->initial_ref_tag); + tdif_context->initial_ref_tag = val; + tdif_context->app_tag_mask = + cpu_to_le16(dif_task_params->application_tag_mask); + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_HOSTGUARDTYPE, + dif_task_params->host_guard_type); + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_PROTECTIONTYPE, + dif_task_params->protection_type); + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_INITIALREFTAGVALID, + dif_task_params->initial_ref_tag_is_valid ? 1 : 0); + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_KEEPREFTAGCONST, + dif_task_params->keep_ref_tag_const ? 1 : 0); + SET_FIELD(tdif_context->flags1, TDIF_TASK_CONTEXT_VALIDATEGUARD, + (dif_task_params->validate_guard && + dif_task_params->dif_on_host) ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_VALIDATEAPPTAG, + (dif_task_params->validate_app_tag && + dif_task_params->dif_on_host) ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_VALIDATEREFTAG, + (dif_task_params->validate_ref_tag && + dif_task_params->dif_on_host) ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_FORWARDAPPTAGWITHMASK, + dif_task_params->forward_app_tag_with_mask ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_FORWARDREFTAGWITHMASK, + dif_task_params->forward_ref_tag_with_mask ? 1 : 0); + SET_FIELD(tdif_context->flags1, + TDIF_TASK_CONTEXT_REFTAGMASK, + dif_task_params->ref_tag_mask); + SET_FIELD(tdif_context->flags0, + TDIF_TASK_CONTEXT_IGNOREAPPTAG, + dif_task_params->ignore_app_tag ? 1 : 0); + } +} + +static void set_local_completion_context(struct iscsi_task_context *context) +{ + SET_FIELD(context->ystorm_st_context.state.flags, + YSTORM_ISCSI_TASK_STATE_LOCAL_COMP, 1); + SET_FIELD(context->ustorm_st_context.flags, + USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP, 1); +} + +static int init_rw_iscsi_task(struct iscsi_task_params *task_params, + enum iscsi_task_type task_type, + struct iscsi_conn_params *conn_params, + struct iscsi_common_hdr *pdu_header, + struct scsi_sgl_task_params *sgl_task_params, + struct scsi_initiator_cmd_params *cmd_params, + struct scsi_dif_task_params *dif_task_params) +{ + u32 exp_data_transfer_len = conn_params->max_burst_length; + struct iscsi_task_context *cxt; + bool slow_io = false; + u32 task_size, val; + u8 num_sges = 0; + + task_size = calc_rw_task_size(task_params, task_type, sgl_task_params, + dif_task_params); + + init_default_iscsi_task(task_params, (struct data_hdr *)pdu_header, + task_type); + + cxt = task_params->context; + + val = cpu_to_le32(task_size); + cxt->ystorm_st_context.pdu_hdr.cmd.expected_transfer_length = val; + init_initiator_rw_cdb_ystorm_context(&cxt->ystorm_st_context, + cmd_params); + val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.lo); + cxt->mstorm_st_context.sense_db.lo = val; + + val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.hi); + cxt->mstorm_st_context.sense_db.hi = val; + + if (task_params->tx_io_size) { + init_dif_context_flags(&cxt->ystorm_st_context.state.dif_flags, + dif_task_params); + init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params, + &cxt->ystorm_st_context.state.data_desc, + sgl_task_params); + + slow_io = scsi_is_slow_sgl(sgl_task_params->num_sges, + sgl_task_params->small_mid_sge); + + num_sges = !slow_io ? min_t(u16, sgl_task_params->num_sges, + (u16)SCSI_NUM_SGES_SLOW_SGL_THR) : + ISCSI_WQE_NUM_SGES_SLOWIO; + + if (slow_io) { + SET_FIELD(cxt->ystorm_st_context.state.flags, + YSTORM_ISCSI_TASK_STATE_SLOW_IO, 1); + } + } else if (task_params->rx_io_size) { + init_dif_context_flags(&cxt->mstorm_st_context.dif_flags, + dif_task_params); + init_scsi_sgl_context(&cxt->mstorm_st_context.sgl_params, + &cxt->mstorm_st_context.data_desc, + sgl_task_params); + num_sges = !scsi_is_slow_sgl(sgl_task_params->num_sges, + sgl_task_params->small_mid_sge) ? + min_t(u16, sgl_task_params->num_sges, + (u16)SCSI_NUM_SGES_SLOW_SGL_THR) : + ISCSI_WQE_NUM_SGES_SLOWIO; + cxt->mstorm_st_context.rem_task_size = cpu_to_le32(task_size); + } + + if (exp_data_transfer_len > task_size || + task_type != ISCSI_TASK_TYPE_TARGET_WRITE) + exp_data_transfer_len = task_size; + + init_ustorm_task_contexts(&task_params->context->ustorm_st_context, + &task_params->context->ustorm_ag_context, + task_size, exp_data_transfer_len, num_sges, + dif_task_params ? + dif_task_params->tx_dif_conn_err_en : false); + + set_rw_exp_data_acked_and_cont_len(task_params->context, conn_params, + task_type, task_size, + exp_data_transfer_len, + GET_FIELD(pdu_header->hdr_second_dword, + ISCSI_CMD_HDR_TOTAL_AHS_LEN)); + + if (dif_task_params) + init_rtdif_task_context(&task_params->context->rdif_context, + &task_params->context->tdif_context, + dif_task_params, task_type); + + init_sqe(task_params, sgl_task_params, dif_task_params, pdu_header, + cmd_params, task_type, false); + + return 0; +} + +int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params, + struct iscsi_conn_params *conn_params, + struct scsi_initiator_cmd_params *cmd_params, + struct iscsi_cmd_hdr *cmd_header, + struct scsi_sgl_task_params *tx_sgl_params, + struct scsi_sgl_task_params *rx_sgl_params, + struct scsi_dif_task_params *dif_task_params) +{ + if (GET_FIELD(cmd_header->flags_attr, ISCSI_CMD_HDR_WRITE)) + return init_rw_iscsi_task(task_params, + ISCSI_TASK_TYPE_INITIATOR_WRITE, + conn_params, + (struct iscsi_common_hdr *)cmd_header, + tx_sgl_params, cmd_params, + dif_task_params); + else if (GET_FIELD(cmd_header->flags_attr, ISCSI_CMD_HDR_READ)) + return init_rw_iscsi_task(task_params, + ISCSI_TASK_TYPE_INITIATOR_READ, + conn_params, + (struct iscsi_common_hdr *)cmd_header, + rx_sgl_params, cmd_params, + dif_task_params); + else + return -1; +} + +int init_initiator_login_request_task(struct iscsi_task_params *task_params, + struct iscsi_login_req_hdr *login_header, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params) +{ + struct iscsi_task_context *cxt; + + cxt = task_params->context; + + init_default_iscsi_task(task_params, + (struct data_hdr *)login_header, + ISCSI_TASK_TYPE_MIDPATH); + + init_ustorm_task_contexts(&cxt->ustorm_st_context, + &cxt->ustorm_ag_context, + task_params->rx_io_size ? + rx_params->total_buffer_size : 0, + task_params->tx_io_size ? + tx_params->total_buffer_size : 0, 0, + 0); + + if (task_params->tx_io_size) + init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params, + &cxt->ystorm_st_context.state.data_desc, + tx_params); + + if (task_params->rx_io_size) + init_scsi_sgl_context(&cxt->mstorm_st_context.sgl_params, + &cxt->mstorm_st_context.data_desc, + rx_params); + + cxt->mstorm_st_context.rem_task_size = + cpu_to_le32(task_params->rx_io_size ? + rx_params->total_buffer_size : 0); + + init_sqe(task_params, tx_params, NULL, + (struct iscsi_common_hdr *)login_header, NULL, + ISCSI_TASK_TYPE_MIDPATH, false); + + return 0; +} + +int init_initiator_nop_out_task(struct iscsi_task_params *task_params, + struct iscsi_nop_out_hdr *nop_out_pdu_header, + struct scsi_sgl_task_params *tx_sgl_task_params, + struct scsi_sgl_task_params *rx_sgl_task_params) +{ + struct iscsi_task_context *cxt; + + cxt = task_params->context; + + init_default_iscsi_task(task_params, + (struct data_hdr *)nop_out_pdu_header, + ISCSI_TASK_TYPE_MIDPATH); + + if (nop_out_pdu_header->itt == ISCSI_ITT_ALL_ONES) + set_local_completion_context(task_params->context); + + if (task_params->tx_io_size) + init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params, + &cxt->ystorm_st_context.state.data_desc, + tx_sgl_task_params); + + if (task_params->rx_io_size) + init_scsi_sgl_context(&cxt->mstorm_st_context.sgl_params, + &cxt->mstorm_st_context.data_desc, + rx_sgl_task_params); + + init_ustorm_task_contexts(&cxt->ustorm_st_context, + &cxt->ustorm_ag_context, + task_params->rx_io_size ? + rx_sgl_task_params->total_buffer_size : 0, + task_params->tx_io_size ? + tx_sgl_task_params->total_buffer_size : 0, + 0, 0); + + cxt->mstorm_st_context.rem_task_size = + cpu_to_le32(task_params->rx_io_size ? + rx_sgl_task_params->total_buffer_size : + 0); + + init_sqe(task_params, tx_sgl_task_params, NULL, + (struct iscsi_common_hdr *)nop_out_pdu_header, NULL, + ISCSI_TASK_TYPE_MIDPATH, false); + + return 0; +} + +int init_initiator_logout_request_task(struct iscsi_task_params *task_params, + struct iscsi_logout_req_hdr *logout_hdr, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params) +{ + struct iscsi_task_context *cxt; + + cxt = task_params->context; + + init_default_iscsi_task(task_params, + (struct data_hdr *)logout_hdr, + ISCSI_TASK_TYPE_MIDPATH); + + if (task_params->tx_io_size) + init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params, + &cxt->ystorm_st_context.state.data_desc, + tx_params); + + if (task_params->rx_io_size) + init_scsi_sgl_context(&cxt->mstorm_st_context.sgl_params, + &cxt->mstorm_st_context.data_desc, + rx_params); + + init_ustorm_task_contexts(&cxt->ustorm_st_context, + &cxt->ustorm_ag_context, + task_params->rx_io_size ? + rx_params->total_buffer_size : 0, + task_params->tx_io_size ? + tx_params->total_buffer_size : 0, + 0, 0); + + cxt->mstorm_st_context.rem_task_size = + cpu_to_le32(task_params->rx_io_size ? + rx_params->total_buffer_size : 0); + + init_sqe(task_params, tx_params, NULL, + (struct iscsi_common_hdr *)logout_hdr, NULL, + ISCSI_TASK_TYPE_MIDPATH, false); + + return 0; +} + +int init_initiator_tmf_request_task(struct iscsi_task_params *task_params, + struct iscsi_tmf_request_hdr *tmf_header) +{ + init_default_iscsi_task(task_params, (struct data_hdr *)tmf_header, + ISCSI_TASK_TYPE_MIDPATH); + + init_sqe(task_params, NULL, NULL, + (struct iscsi_common_hdr *)tmf_header, NULL, + ISCSI_TASK_TYPE_MIDPATH, false); + + return 0; +} + +int init_initiator_text_request_task(struct iscsi_task_params *task_params, + struct iscsi_text_request_hdr *text_header, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params) +{ + struct iscsi_task_context *cxt; + + cxt = task_params->context; + + init_default_iscsi_task(task_params, + (struct data_hdr *)text_header, + ISCSI_TASK_TYPE_MIDPATH); + + if (task_params->tx_io_size) + init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params, + &cxt->ystorm_st_context.state.data_desc, + tx_params); + + if (task_params->rx_io_size) + init_scsi_sgl_context(&cxt->mstorm_st_context.sgl_params, + &cxt->mstorm_st_context.data_desc, + rx_params); + + cxt->mstorm_st_context.rem_task_size = + cpu_to_le32(task_params->rx_io_size ? + rx_params->total_buffer_size : 0); + + init_ustorm_task_contexts(&cxt->ustorm_st_context, + &cxt->ustorm_ag_context, + task_params->rx_io_size ? + rx_params->total_buffer_size : 0, + task_params->tx_io_size ? + tx_params->total_buffer_size : 0, 0, 0); + + init_sqe(task_params, tx_params, NULL, + (struct iscsi_common_hdr *)text_header, NULL, + ISCSI_TASK_TYPE_MIDPATH, false); + + return 0; +} + +int init_cleanup_task(struct iscsi_task_params *task_params) +{ + init_sqe(task_params, NULL, NULL, NULL, NULL, ISCSI_TASK_TYPE_MIDPATH, + true); + return 0; +} diff --git a/drivers/scsi/qedi/qedi_fw_iscsi.h b/drivers/scsi/qedi/qedi_fw_iscsi.h new file mode 100644 index 000000000000..b6f24f91849d --- /dev/null +++ b/drivers/scsi/qedi/qedi_fw_iscsi.h @@ -0,0 +1,117 @@ +/* + * QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ + +#ifndef _QEDI_FW_ISCSI_H_ +#define _QEDI_FW_ISCSI_H_ + +#include "qedi_fw_scsi.h" + +struct iscsi_task_params { + struct iscsi_task_context *context; + struct iscsi_wqe *sqe; + u32 tx_io_size; + u32 rx_io_size; + u16 conn_icid; + u16 itid; + u8 cq_rss_number; +}; + +struct iscsi_conn_params { + u32 first_burst_length; + u32 max_send_pdu_length; + u32 max_burst_length; + bool initial_r2t; + bool immediate_data; +}; + +/* @brief init_initiator_read_iscsi_task - initializes iSCSI Initiator Read + * task context. + * + * @param task_params - Pointer to task parameters struct + * @param conn_params - Connection Parameters + * @param cmd_params - command specific parameters + * @param cmd_pdu_header - PDU Header Parameters + * @param sgl_task_params - Pointer to SGL task params + * @param dif_task_params - Pointer to DIF parameters struct + */ +int init_initiator_rw_iscsi_task(struct iscsi_task_params *task_params, + struct iscsi_conn_params *conn_params, + struct scsi_initiator_cmd_params *cmd_params, + struct iscsi_cmd_hdr *cmd_pdu_header, + struct scsi_sgl_task_params *tx_sgl_params, + struct scsi_sgl_task_params *rx_sgl_params, + struct scsi_dif_task_params *dif_task_params); + +/* @brief init_initiator_login_request_task - initializes iSCSI Initiator Login + * Request task context. + * + * @param task_params - Pointer to task parameters struct + * @param login_req_pdu_header - PDU Header Parameters + * @param tx_sgl_task_params - Pointer to SGL task params + * @param rx_sgl_task_params - Pointer to SGL task params + */ +int init_initiator_login_request_task(struct iscsi_task_params *task_params, + struct iscsi_login_req_hdr *login_header, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params); + +/* @brief init_initiator_nop_out_task - initializes iSCSI Initiator NOP Out + * task context. + * + * @param task_params - Pointer to task parameters struct + * @param nop_out_pdu_header - PDU Header Parameters + * @param tx_sgl_task_params - Pointer to SGL task params + * @param rx_sgl_task_params - Pointer to SGL task params + */ +int init_initiator_nop_out_task(struct iscsi_task_params *task_params, + struct iscsi_nop_out_hdr *nop_out_pdu_header, + struct scsi_sgl_task_params *tx_sgl_params, + struct scsi_sgl_task_params *rx_sgl_params); + +/* @brief init_initiator_logout_request_task - initializes iSCSI Initiator + * Logout Request task context. + * + * @param task_params - Pointer to task parameters struct + * @param logout_pdu_header - PDU Header Parameters + * @param tx_sgl_task_params - Pointer to SGL task params + * @param rx_sgl_task_params - Pointer to SGL task params + */ +int init_initiator_logout_request_task(struct iscsi_task_params *task_params, + struct iscsi_logout_req_hdr *logout_hdr, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params); + +/* @brief init_initiator_tmf_request_task - initializes iSCSI Initiator TMF + * task context. + * + * @param task_params - Pointer to task parameters struct + * @param tmf_pdu_header - PDU Header Parameters + */ +int init_initiator_tmf_request_task(struct iscsi_task_params *task_params, + struct iscsi_tmf_request_hdr *tmf_header); + +/* @brief init_initiator_text_request_task - initializes iSCSI Initiator Text + * Request task context. + * + * @param task_params - Pointer to task parameters struct + * @param text_request_pdu_header - PDU Header Parameters + * @param tx_sgl_task_params - Pointer to Tx SGL task params + * @param rx_sgl_task_params - Pointer to Rx SGL task params + */ +int init_initiator_text_request_task(struct iscsi_task_params *task_params, + struct iscsi_text_request_hdr *text_header, + struct scsi_sgl_task_params *tx_params, + struct scsi_sgl_task_params *rx_params); + +/* @brief init_cleanup_task - initializes Clean task (SQE) + * + * @param task_params - Pointer to task parameters struct + */ +int init_cleanup_task(struct iscsi_task_params *task_params); +#endif diff --git a/drivers/scsi/qedi/qedi_fw_scsi.h b/drivers/scsi/qedi/qedi_fw_scsi.h new file mode 100644 index 000000000000..cdaf918f1019 --- /dev/null +++ b/drivers/scsi/qedi/qedi_fw_scsi.h @@ -0,0 +1,55 @@ +/* + * QLogic iSCSI Offload Driver + * Copyright (c) 2016 Cavium Inc. + * + * This software is available under the terms of the GNU General Public License + * (GPL) Version 2, available from the file COPYING in the main directory of + * this source tree. + */ + +#ifndef _QEDI_FW_SCSI_H_ +#define _QEDI_FW_SCSI_H_ + +#include <linux/types.h> +#include <asm/byteorder.h> +#include "qedi_hsi.h" +#include <linux/qed/qed_if.h> + +struct scsi_sgl_task_params { + struct scsi_sge *sgl; + struct regpair sgl_phys_addr; + u32 total_buffer_size; + u16 num_sges; + bool small_mid_sge; +}; + +struct scsi_dif_task_params { + u32 initial_ref_tag; + bool initial_ref_tag_is_valid; + u16 application_tag; + u16 application_tag_mask; + u16 dif_block_size_log; + bool dif_on_network; + bool dif_on_host; + u8 host_guard_type; + u8 protection_type; + u8 ref_tag_mask; + bool crc_seed; + bool tx_dif_conn_err_en; + bool ignore_app_tag; + bool keep_ref_tag_const; + bool validate_guard; + bool validate_app_tag; + bool validate_ref_tag; + bool forward_guard; + bool forward_app_tag; + bool forward_ref_tag; + bool forward_app_tag_with_mask; + bool forward_ref_tag_with_mask; +}; + +struct scsi_initiator_cmd_params { + struct scsi_sge extended_cdb_sge; + struct regpair sense_data_buffer_phys_addr; +}; +#endif diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 4cc474364c50..d1de172bebac 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -175,7 +175,7 @@ static void qedi_destroy_cmd_pool(struct qedi_ctx *qedi, if (cmd->io_tbl.sge_tbl) dma_free_coherent(&qedi->pdev->dev, QEDI_ISCSI_MAX_BDS_PER_CMD * - sizeof(struct iscsi_sge), + sizeof(struct scsi_sge), cmd->io_tbl.sge_tbl, cmd->io_tbl.sge_tbl_dma); @@ -191,7 +191,7 @@ static int qedi_alloc_sget(struct qedi_ctx *qedi, struct iscsi_session *session, struct qedi_cmd *cmd) { struct qedi_io_bdt *io = &cmd->io_tbl; - struct iscsi_sge *sge; + struct scsi_sge *sge; io->sge_tbl = dma_alloc_coherent(&qedi->pdev->dev, QEDI_ISCSI_MAX_BDS_PER_CMD * @@ -708,22 +708,20 @@ static void qedi_conn_get_stats(struct iscsi_cls_conn *cls_conn, static void qedi_iscsi_prep_generic_pdu_bd(struct qedi_conn *qedi_conn) { - struct iscsi_sge *bd_tbl; + struct scsi_sge *bd_tbl; - bd_tbl = (struct iscsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; + bd_tbl = (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl; bd_tbl->sge_addr.hi = (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32); bd_tbl->sge_addr.lo = (u32)qedi_conn->gen_pdu.req_dma_addr; bd_tbl->sge_len = qedi_conn->gen_pdu.req_wr_ptr - qedi_conn->gen_pdu.req_buf; - bd_tbl->reserved0 = 0; - bd_tbl = (struct iscsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; + bd_tbl = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl; bd_tbl->sge_addr.hi = (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32); bd_tbl->sge_addr.lo = (u32)qedi_conn->gen_pdu.resp_dma_addr; bd_tbl->sge_len = ISCSI_DEF_MAX_RECV_SEG_LEN; - bd_tbl->reserved0 = 0; } static int qedi_iscsi_send_generic_request(struct iscsi_task *task) diff --git a/drivers/scsi/qedi/qedi_iscsi.h b/drivers/scsi/qedi/qedi_iscsi.h index d3c06bbddb4e..3247287cb0e7 100644 --- a/drivers/scsi/qedi/qedi_iscsi.h +++ b/drivers/scsi/qedi/qedi_iscsi.h @@ -102,7 +102,7 @@ struct qedi_endpoint { #define QEDI_SQ_WQES_MIN 16 struct qedi_io_bdt { - struct iscsi_sge *sge_tbl; + struct scsi_sge *sge_tbl; dma_addr_t sge_tbl_dma; u16 sge_valid; }; diff --git a/drivers/scsi/qedi/qedi_version.h b/drivers/scsi/qedi/qedi_version.h index 9543a1b139d4..d61e3ac22e67 100644 --- a/drivers/scsi/qedi/qedi_version.h +++ b/drivers/scsi/qedi/qedi_version.h @@ -7,8 +7,8 @@ * this source tree. */ -#define QEDI_MODULE_VERSION "8.10.3.0" +#define QEDI_MODULE_VERSION "8.10.4.0" #define QEDI_DRIVER_MAJOR_VER 8 #define QEDI_DRIVER_MINOR_VER 10 -#define QEDI_DRIVER_REV_VER 3 +#define QEDI_DRIVER_REV_VER 4 #define QEDI_DRIVER_ENG_VER 0 |