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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
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/*******************************************************************
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* This file is part of the Emulex Linux Device Driver for *
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* Fibre Channel Host Bus Adapters. *
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* Copyright (C) 2004-2016 Emulex. All rights reserved. *
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* EMULEX and SLI are trademarks of Emulex. *
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* www.emulex.com *
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* Portions Copyright (C) 2004-2005 Christoph Hellwig *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of version 2 of the GNU General *
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* Public License as published by the Free Software Foundation. *
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* This program is distributed in the hope that it will be useful. *
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
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* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
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* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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* TO BE LEGALLY INVALID. See the GNU General Public License for *
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* more details, a copy of which can be found in the file COPYING *
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* included with this package. *
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********************************************************************/
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#define LPFC_NVMET_MIN_SEGS 16
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#define LPFC_NVMET_DEFAULT_SEGS 64 /* 256K IOs */
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#define LPFC_NVMET_MAX_SEGS 510
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#define LPFC_NVMET_SUCCESS_LEN 12
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/* Used for NVME Target */
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struct lpfc_nvmet_tgtport {
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struct lpfc_hba *phba;
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struct completion tport_unreg_done;
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/* Stats counters - lpfc_nvmet_unsol_ls_buffer */
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atomic_t rcv_ls_req_in;
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atomic_t rcv_ls_req_out;
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atomic_t rcv_ls_req_drop;
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atomic_t xmt_ls_abort;
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/* Stats counters - lpfc_nvmet_xmt_ls_rsp */
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atomic_t xmt_ls_rsp;
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atomic_t xmt_ls_drop;
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/* Stats counters - lpfc_nvmet_xmt_ls_rsp_cmp */
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atomic_t xmt_ls_rsp_error;
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atomic_t xmt_ls_rsp_cmpl;
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/* Stats counters - lpfc_nvmet_unsol_fcp_buffer */
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atomic_t rcv_fcp_cmd_in;
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atomic_t rcv_fcp_cmd_out;
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atomic_t rcv_fcp_cmd_drop;
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/* Stats counters - lpfc_nvmet_xmt_fcp_op */
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atomic_t xmt_fcp_abort;
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atomic_t xmt_fcp_drop;
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atomic_t xmt_fcp_read_rsp;
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atomic_t xmt_fcp_read;
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atomic_t xmt_fcp_write;
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atomic_t xmt_fcp_rsp;
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/* Stats counters - lpfc_nvmet_xmt_fcp_op_cmp */
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atomic_t xmt_fcp_rsp_cmpl;
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atomic_t xmt_fcp_rsp_error;
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atomic_t xmt_fcp_rsp_drop;
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/* Stats counters - lpfc_nvmet_unsol_issue_abort */
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atomic_t xmt_abort_rsp;
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atomic_t xmt_abort_rsp_error;
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/* Stats counters - lpfc_nvmet_xmt_abort_cmp */
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atomic_t xmt_abort_cmpl;
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};
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struct lpfc_nvmet_rcv_ctx {
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union {
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struct nvmefc_tgt_ls_req ls_req;
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struct nvmefc_tgt_fcp_req fcp_req;
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} ctx;
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struct lpfc_hba *phba;
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struct lpfc_iocbq *wqeq;
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struct lpfc_iocbq *abort_wqeq;
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dma_addr_t txrdy_phys;
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uint32_t *txrdy;
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uint32_t sid;
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uint32_t offset;
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uint16_t oxid;
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uint16_t size;
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uint16_t entry_cnt;
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uint16_t cpu;
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uint16_t state;
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/* States */
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#define LPFC_NVMET_STE_FREE 0
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#define LPFC_NVMET_STE_RCV 1
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#define LPFC_NVMET_STE_DATA 2
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#define LPFC_NVMET_STE_ABORT 3
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#define LPFC_NVMET_STE_RSP 4
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#define LPFC_NVMET_STE_DONE 5
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uint16_t flag;
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#define LPFC_NVMET_IO_INP 1
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#define LPFC_NVMET_ABORT_OP 2
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struct rqb_dmabuf *rqb_buffer;
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};
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