1895427bdSJames Smart /******************************************************************* 2895427bdSJames Smart * This file is part of the Emulex Linux Device Driver for * 3895427bdSJames Smart * Fibre Channel Host Bus Adapters. * 4d080abe0SJames Smart * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * 5d080abe0SJames Smart * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * 6895427bdSJames Smart * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7895427bdSJames Smart * EMULEX and SLI are trademarks of Emulex. * 8d080abe0SJames Smart * www.broadcom.com * 9895427bdSJames Smart * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10895427bdSJames Smart * * 11895427bdSJames Smart * This program is free software; you can redistribute it and/or * 12895427bdSJames Smart * modify it under the terms of version 2 of the GNU General * 13895427bdSJames Smart * Public License as published by the Free Software Foundation. * 14895427bdSJames Smart * This program is distributed in the hope that it will be useful. * 15895427bdSJames Smart * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16895427bdSJames Smart * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17895427bdSJames Smart * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18895427bdSJames Smart * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19895427bdSJames Smart * TO BE LEGALLY INVALID. See the GNU General Public License for * 20895427bdSJames Smart * more details, a copy of which can be found in the file COPYING * 21895427bdSJames Smart * included with this package. * 22895427bdSJames Smart ********************************************************************/ 23895427bdSJames Smart 24a44e4e8bSJames Smart #define LPFC_NVME_DEFAULT_SEGS (64 + 1) /* 256K IOs */ 2581b96edaSJames Smart #define LPFC_NVME_WQSIZE 1024 2681b96edaSJames Smart #define LPFC_NVME_CQSIZE 4096 27895427bdSJames Smart 28895427bdSJames Smart #define LPFC_NVME_ERSP_LEN 0x20 29895427bdSJames Smart 30add9d6beSJames Smart #define LPFC_NVME_WAIT_TMO 10 31cf1a1d3eSJames Smart #define LPFC_NVME_EXPEDITE_XRICNT 8 32add9d6beSJames Smart 3301649561SJames Smart struct lpfc_nvme_qhandle { 3401649561SJames Smart uint32_t index; /* WQ index to use */ 3501649561SJames Smart uint32_t qidx; /* queue index passed to create */ 3601649561SJames Smart uint32_t cpu_id; /* current cpu id at time of create */ 3701649561SJames Smart }; 3801649561SJames Smart 39895427bdSJames Smart /* Declare nvme-based local and remote port definitions. */ 40895427bdSJames Smart struct lpfc_nvme_lport { 41895427bdSJames Smart struct lpfc_vport *vport; 42895427bdSJames Smart struct completion lport_unreg_done; 43895427bdSJames Smart /* Add sttats counters here */ 44895427bdSJames Smart }; 45895427bdSJames Smart 46895427bdSJames Smart struct lpfc_nvme_rport { 47895427bdSJames Smart struct lpfc_nvme_lport *lport; 48895427bdSJames Smart struct nvme_fc_remote_port *remoteport; 49895427bdSJames Smart struct lpfc_nodelist *ndlp; 50895427bdSJames Smart struct completion rport_unreg_done; 51895427bdSJames Smart }; 52895427bdSJames Smart 53895427bdSJames Smart struct lpfc_nvme_buf { 54895427bdSJames Smart struct list_head list; 55895427bdSJames Smart struct nvmefc_fcp_req *nvmeCmd; 56895427bdSJames Smart struct lpfc_nvme_rport *nrport; 57318083adSJames Smart struct lpfc_nodelist *ndlp; 58895427bdSJames Smart 59895427bdSJames Smart uint32_t timeout; 60895427bdSJames Smart 61895427bdSJames Smart uint16_t flags; /* TBD convert exch_busy to flags */ 62895427bdSJames Smart #define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */ 63895427bdSJames Smart uint16_t exch_busy; /* SLI4 hba reported XB on complete WCQE */ 64895427bdSJames Smart uint16_t status; /* From IOCB Word 7- ulpStatus */ 65895427bdSJames Smart uint16_t cpu; 66895427bdSJames Smart uint16_t qidx; 67895427bdSJames Smart uint16_t sqid; 68895427bdSJames Smart uint32_t result; /* From IOCB Word 4. */ 69895427bdSJames Smart 70895427bdSJames Smart uint32_t seg_cnt; /* Number of scatter-gather segments returned by 71895427bdSJames Smart * dma_map_sg. The driver needs this for calls 72895427bdSJames Smart * to dma_unmap_sg. 73895427bdSJames Smart */ 74895427bdSJames Smart dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */ 75895427bdSJames Smart 76895427bdSJames Smart /* 77895427bdSJames Smart * data and dma_handle are the kernel virtual and bus address of the 78895427bdSJames Smart * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter 79895427bdSJames Smart * gather bde list that supports the sg_tablesize value. 80895427bdSJames Smart */ 81895427bdSJames Smart void *data; 82895427bdSJames Smart dma_addr_t dma_handle; 83895427bdSJames Smart 84895427bdSJames Smart struct sli4_sge *nvme_sgl; 85895427bdSJames Smart dma_addr_t dma_phys_sgl; 86895427bdSJames Smart 87895427bdSJames Smart /* cur_iocbq has phys of the dma-able buffer. 88895427bdSJames Smart * Iotag is in here 89895427bdSJames Smart */ 90895427bdSJames Smart struct lpfc_iocbq cur_iocbq; 91895427bdSJames Smart 92895427bdSJames Smart wait_queue_head_t *waitq; 93895427bdSJames Smart unsigned long start_time; 94bd2cdd5eSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 95bd2cdd5eSJames Smart uint64_t ts_cmd_start; 96bd2cdd5eSJames Smart uint64_t ts_last_cmd; 97bd2cdd5eSJames Smart uint64_t ts_cmd_wqput; 98bd2cdd5eSJames Smart uint64_t ts_isr_cmpl; 99bd2cdd5eSJames Smart uint64_t ts_data_nvme; 100bd2cdd5eSJames Smart #endif 101895427bdSJames Smart }; 102bbe3012bSJames Smart 103bbe3012bSJames Smart struct lpfc_nvme_fcpreq_priv { 104bbe3012bSJames Smart struct lpfc_nvme_buf *nvme_buf; 105bbe3012bSJames Smart }; 106