| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| James Smart | 795 | 100.00% | 1 | 100.00% |
| Total | 795 | 1 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2021 Broadcom. All Rights Reserved. The term * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. */ #if !defined(__EFCT_SCSI_H__) #define __EFCT_SCSI_H__ #include <scsi/scsi_host.h> #include <scsi/scsi_transport_fc.h> /* efct_scsi_rcv_cmd() efct_scsi_rcv_tmf() flags */ #define EFCT_SCSI_CMD_DIR_IN (1 << 0) #define EFCT_SCSI_CMD_DIR_OUT (1 << 1) #define EFCT_SCSI_CMD_SIMPLE (1 << 2) #define EFCT_SCSI_CMD_HEAD_OF_QUEUE (1 << 3) #define EFCT_SCSI_CMD_ORDERED (1 << 4) #define EFCT_SCSI_CMD_UNTAGGED (1 << 5) #define EFCT_SCSI_CMD_ACA (1 << 6) #define EFCT_SCSI_FIRST_BURST_ERR (1 << 7) #define EFCT_SCSI_FIRST_BURST_ABORTED (1 << 8) /* efct_scsi_send_rd_data/recv_wr_data/send_resp flags */ #define EFCT_SCSI_LAST_DATAPHASE (1 << 0) #define EFCT_SCSI_NO_AUTO_RESPONSE (1 << 1) #define EFCT_SCSI_LOW_LATENCY (1 << 2) #define EFCT_SCSI_SNS_BUF_VALID(sense) ((sense) && \ (0x70 == (((const u8 *)(sense))[0] & 0x70))) #define EFCT_SCSI_WQ_STEERING_SHIFT 16 #define EFCT_SCSI_WQ_STEERING_MASK (0xf << EFCT_SCSI_WQ_STEERING_SHIFT) #define EFCT_SCSI_WQ_STEERING_CLASS (0 << EFCT_SCSI_WQ_STEERING_SHIFT) #define EFCT_SCSI_WQ_STEERING_REQUEST (1 << EFCT_SCSI_WQ_STEERING_SHIFT) #define EFCT_SCSI_WQ_STEERING_CPU (2 << EFCT_SCSI_WQ_STEERING_SHIFT) #define EFCT_SCSI_WQ_CLASS_SHIFT (20) #define EFCT_SCSI_WQ_CLASS_MASK (0xf << EFCT_SCSI_WQ_CLASS_SHIFT) #define EFCT_SCSI_WQ_CLASS(x) ((x & EFCT_SCSI_WQ_CLASS_MASK) << \ EFCT_SCSI_WQ_CLASS_SHIFT) #define EFCT_SCSI_WQ_CLASS_LOW_LATENCY 1 struct efct_scsi_cmd_resp { u8 scsi_status; u16 scsi_status_qualifier; u8 *response_data; u32 response_data_length; u8 *sense_data; u32 sense_data_length; int residual; u32 response_wire_length; }; struct efct_vport { struct efct *efct; bool is_vport; struct fc_host_statistics fc_host_stats; struct Scsi_Host *shost; struct fc_vport *fc_vport; u64 npiv_wwpn; u64 npiv_wwnn; }; /* Status values returned by IO callbacks */ enum efct_scsi_io_status { EFCT_SCSI_STATUS_GOOD = 0, EFCT_SCSI_STATUS_ABORTED, EFCT_SCSI_STATUS_ERROR, EFCT_SCSI_STATUS_DIF_GUARD_ERR, EFCT_SCSI_STATUS_DIF_REF_TAG_ERROR, EFCT_SCSI_STATUS_DIF_APP_TAG_ERROR, EFCT_SCSI_STATUS_DIF_UNKNOWN_ERROR, EFCT_SCSI_STATUS_PROTOCOL_CRC_ERROR, EFCT_SCSI_STATUS_NO_IO, EFCT_SCSI_STATUS_ABORT_IN_PROGRESS, EFCT_SCSI_STATUS_CHECK_RESPONSE, EFCT_SCSI_STATUS_COMMAND_TIMEOUT, EFCT_SCSI_STATUS_TIMEDOUT_AND_ABORTED, EFCT_SCSI_STATUS_SHUTDOWN, EFCT_SCSI_STATUS_NEXUS_LOST, }; struct efct_node; struct efct_io; struct efc_node; struct efc_nport; /* Callback used by send_rd_data(), recv_wr_data(), send_resp() */ typedef int (*efct_scsi_io_cb_t)(struct efct_io *io, enum efct_scsi_io_status status, u32 flags, void *arg); /* Callback used by send_rd_io(), send_wr_io() */ typedef int (*efct_scsi_rsp_io_cb_t)(struct efct_io *io, enum efct_scsi_io_status status, struct efct_scsi_cmd_resp *rsp, u32 flags, void *arg); /* efct_scsi_cb_t flags */ #define EFCT_SCSI_IO_CMPL (1 << 0) /* IO completed, response sent */ #define EFCT_SCSI_IO_CMPL_RSP_SENT (1 << 1) #define EFCT_SCSI_IO_ABORTED (1 << 2) /* efct_scsi_recv_tmf() request values */ enum efct_scsi_tmf_cmd { EFCT_SCSI_TMF_ABORT_TASK = 1, EFCT_SCSI_TMF_QUERY_TASK_SET, EFCT_SCSI_TMF_ABORT_TASK_SET, EFCT_SCSI_TMF_CLEAR_TASK_SET, EFCT_SCSI_TMF_QUERY_ASYNCHRONOUS_EVENT, EFCT_SCSI_TMF_LOGICAL_UNIT_RESET, EFCT_SCSI_TMF_CLEAR_ACA, EFCT_SCSI_TMF_TARGET_RESET, }; /* efct_scsi_send_tmf_resp() response values */ enum efct_scsi_tmf_resp { EFCT_SCSI_TMF_FUNCTION_COMPLETE = 1, EFCT_SCSI_TMF_FUNCTION_SUCCEEDED, EFCT_SCSI_TMF_FUNCTION_IO_NOT_FOUND, EFCT_SCSI_TMF_FUNCTION_REJECTED, EFCT_SCSI_TMF_INCORRECT_LOGICAL_UNIT_NUMBER, EFCT_SCSI_TMF_SERVICE_DELIVERY, }; struct efct_scsi_sgl { uintptr_t addr; uintptr_t dif_addr; size_t len; }; enum efct_scsi_io_role { EFCT_SCSI_IO_ROLE_ORIGINATOR, EFCT_SCSI_IO_ROLE_RESPONDER, }; struct efct_io * efct_scsi_io_alloc(struct efct_node *node); void efct_scsi_io_free(struct efct_io *io); struct efct_io *efct_io_get_instance(struct efct *efct, u32 index); int efct_scsi_tgt_driver_init(void); int efct_scsi_tgt_driver_exit(void); int efct_scsi_tgt_new_device(struct efct *efct); int efct_scsi_tgt_del_device(struct efct *efct); int efct_scsi_tgt_new_nport(struct efc *efc, struct efc_nport *nport); void efct_scsi_tgt_del_nport(struct efc *efc, struct efc_nport *nport); int efct_scsi_new_initiator(struct efc *efc, struct efc_node *node); enum efct_scsi_del_initiator_reason { EFCT_SCSI_INITIATOR_DELETED, EFCT_SCSI_INITIATOR_MISSING, }; int efct_scsi_del_initiator(struct efc *efc, struct efc_node *node, int reason); void efct_scsi_recv_cmd(struct efct_io *io, uint64_t lun, u8 *cdb, u32 cdb_len, u32 flags); int efct_scsi_recv_tmf(struct efct_io *tmfio, u32 lun, enum efct_scsi_tmf_cmd cmd, struct efct_io *abortio, u32 flags); int efct_scsi_send_rd_data(struct efct_io *io, u32 flags, struct efct_scsi_sgl *sgl, u32 sgl_count, u64 wire_len, efct_scsi_io_cb_t cb, void *arg); int efct_scsi_recv_wr_data(struct efct_io *io, u32 flags, struct efct_scsi_sgl *sgl, u32 sgl_count, u64 wire_len, efct_scsi_io_cb_t cb, void *arg); int efct_scsi_send_resp(struct efct_io *io, u32 flags, struct efct_scsi_cmd_resp *rsp, efct_scsi_io_cb_t cb, void *arg); int efct_scsi_send_tmf_resp(struct efct_io *io, enum efct_scsi_tmf_resp rspcode, u8 addl_rsp_info[3], efct_scsi_io_cb_t cb, void *arg); int efct_scsi_tgt_abort_io(struct efct_io *io, efct_scsi_io_cb_t cb, void *arg); void efct_scsi_io_complete(struct efct_io *io); int efct_scsi_reg_fc_transport(void); void efct_scsi_release_fc_transport(void); int efct_scsi_new_device(struct efct *efct); void efct_scsi_del_device(struct efct *efct); void _efct_scsi_io_free(struct kref *arg); int efct_scsi_del_vport(struct efct *efct, struct Scsi_Host *shost); struct efct_vport * efct_scsi_new_vport(struct efct *efct, struct device *dev); int efct_scsi_io_dispatch(struct efct_io *io, void *cb); int efct_scsi_io_dispatch_abort(struct efct_io *io, void *cb); void efct_scsi_check_pending(struct efct *efct); struct efct_io * efct_bls_send_rjt(struct efct_io *io, struct fc_frame_header *hdr); #endif /* __EFCT_SCSI_H__ */
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