/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright(c) 2007 Intel Corporation. All rights reserved. * * Maintained at www.Open-FCoE.org */ #ifndef _FC_FCP_H_ #define _FC_FCP_H_ #include <scsi/scsi.h> /* * Fibre Channel Protocol for SCSI. * From T10 FCP-3, T10 project 1560-D Rev 4, Sept. 13, 2005. */ /* * fc/fs.h defines FC_TYPE_FCP. */ /* * Service parameter page parameters (word 3 bits) for Process Login. */ #define FCP_SPPF_TASK_RETRY_ID … #define FCP_SPPF_RETRY … #define FCP_SPPF_CONF_COMPL … #define FCP_SPPF_OVLY_ALLOW … #define FCP_SPPF_INIT_FCN … #define FCP_SPPF_TARG_FCN … #define FCP_SPPF_RD_XRDY_DIS … #define FCP_SPPF_WR_XRDY_DIS … /* * FCP_CMND IU Payload. */ struct fcp_cmnd { … }; #define FCP_CMND_LEN … struct fcp_cmnd32 { … }; #define FCP_CMND32_LEN … #define FCP_CMND32_ADD_LEN … /* * fc_pri_ta. */ #define FCP_PTA_SIMPLE … #define FCP_PTA_HEADQ … #define FCP_PTA_ORDERED … #define FCP_PTA_ACA … #define FCP_PTA_MASK … #define FCP_PRI_SHIFT … #define FCP_PRI_RESVD_MASK … /* * fc_tm_flags - task management flags field. */ #define FCP_TMF_CLR_ACA … #define FCP_TMF_TGT_RESET … #define FCP_TMF_LUN_RESET … #define FCP_TMF_CLR_TASK_SET … #define FCP_TMF_ABT_TASK_SET … /* * fc_flags. * Bits 7:2 are the additional FCP_CDB length / 4. */ #define FCP_CFL_LEN_MASK … #define FCP_CFL_LEN_SHIFT … #define FCP_CFL_RDDATA … #define FCP_CFL_WRDATA … /* * FCP_TXRDY IU - transfer ready payload. */ struct fcp_txrdy { … }; #define FCP_TXRDY_LEN … /* * FCP_RESP IU - response payload. * * The response payload comes in three parts: the flags/status, the * sense/response lengths and the sense data/response info section. * * From FCP3r04, note 6 of section 9.5.13: * * Some early implementations presented the FCP_RSP IU without the FCP_RESID, * FCP_SNS_LEN, and FCP_RSP_LEN fields if the FCP_RESID_UNDER, FCP_RESID_OVER, * FCP_SNS_LEN_VALID, and FCP_RSP_LEN_VALID bits were all set to zero. This * non-standard behavior should be tolerated. * * All response frames will always contain the fcp_resp template. Some * will also include the fcp_resp_len template. * * From Table 23, the FCP_RSP_INFO can either be 4 bytes or 8 bytes, both * are valid length. */ struct fcp_resp { … }; #define FCP_RESP_LEN … struct fcp_resp_ext { … }; #define FCP_RESP_EXT_LEN … struct fcp_resp_rsp_info { … }; #define FCP_RESP_RSP_INFO_LEN4 … #define FCP_RESP_RSP_INFO_LEN8 … struct fcp_resp_with_ext { … }; #define FCP_RESP_WITH_EXT … /* * fr_flags. */ #define FCP_BIDI_RSP … #define FCP_BIDI_READ_UNDER … #define FCP_BIDI_READ_OVER … #define FCP_CONF_REQ … #define FCP_RESID_UNDER … #define FCP_RESID_OVER … #define FCP_SNS_LEN_VAL … #define FCP_RSP_LEN_VAL … /* * rsp_codes */ enum fcp_resp_rsp_codes { … }; /* * FCP SRR Link Service request - Sequence Retransmission Request. */ struct fcp_srr { … }; /* * Feature bits in name server FC-4 Features object. */ #define FCP_FEAT_TARG … #define FCP_FEAT_INIT … #endif /* _FC_FCP_H_ */
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