diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvmet.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvmet.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h new file mode 100644 index 000000000000..f7b6a3f374a4 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -0,0 +1,101 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2004-2016 Emulex. All rights reserved. * + * EMULEX and SLI are trademarks of Emulex. * + * www.emulex.com * + * Portions Copyright (C) 2004-2005 Christoph Hellwig * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of version 2 of the GNU General * + * Public License as published by the Free Software Foundation. * + * This program is distributed in the hope that it will be useful. * + * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * + * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * + * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * + * TO BE LEGALLY INVALID. See the GNU General Public License for * + * more details, a copy of which can be found in the file COPYING * + * included with this package. * + ********************************************************************/ + +#define LPFC_NVMET_MIN_SEGS 16 +#define LPFC_NVMET_DEFAULT_SEGS 64 /* 256K IOs */ +#define LPFC_NVMET_MAX_SEGS 510 +#define LPFC_NVMET_SUCCESS_LEN 12 + +/* Used for NVME Target */ +struct lpfc_nvmet_tgtport { + struct lpfc_hba *phba; + struct completion tport_unreg_done; + + /* Stats counters - lpfc_nvmet_unsol_ls_buffer */ + atomic_t rcv_ls_req_in; + atomic_t rcv_ls_req_out; + atomic_t rcv_ls_req_drop; + atomic_t xmt_ls_abort; + + /* Stats counters - lpfc_nvmet_xmt_ls_rsp */ + atomic_t xmt_ls_rsp; + atomic_t xmt_ls_drop; + + /* Stats counters - lpfc_nvmet_xmt_ls_rsp_cmp */ + atomic_t xmt_ls_rsp_error; + atomic_t xmt_ls_rsp_cmpl; + + /* Stats counters - lpfc_nvmet_unsol_fcp_buffer */ + atomic_t rcv_fcp_cmd_in; + atomic_t rcv_fcp_cmd_out; + atomic_t rcv_fcp_cmd_drop; + + /* Stats counters - lpfc_nvmet_xmt_fcp_op */ + atomic_t xmt_fcp_abort; + atomic_t xmt_fcp_drop; + atomic_t xmt_fcp_read_rsp; + atomic_t xmt_fcp_read; + atomic_t xmt_fcp_write; + atomic_t xmt_fcp_rsp; + + /* Stats counters - lpfc_nvmet_xmt_fcp_op_cmp */ + atomic_t xmt_fcp_rsp_cmpl; + atomic_t xmt_fcp_rsp_error; + atomic_t xmt_fcp_rsp_drop; + + + /* Stats counters - lpfc_nvmet_unsol_issue_abort */ + atomic_t xmt_abort_rsp; + atomic_t xmt_abort_rsp_error; + + /* Stats counters - lpfc_nvmet_xmt_abort_cmp */ + atomic_t xmt_abort_cmpl; +}; + +struct lpfc_nvmet_rcv_ctx { + union { + struct nvmefc_tgt_ls_req ls_req; + struct nvmefc_tgt_fcp_req fcp_req; + } ctx; + struct lpfc_hba *phba; + struct lpfc_iocbq *wqeq; + struct lpfc_iocbq *abort_wqeq; + dma_addr_t txrdy_phys; + uint32_t *txrdy; + uint32_t sid; + uint32_t offset; + uint16_t oxid; + uint16_t size; + uint16_t entry_cnt; + uint16_t cpu; + uint16_t state; + /* States */ +#define LPFC_NVMET_STE_FREE 0 +#define LPFC_NVMET_STE_RCV 1 +#define LPFC_NVMET_STE_DATA 2 +#define LPFC_NVMET_STE_ABORT 3 +#define LPFC_NVMET_STE_RSP 4 +#define LPFC_NVMET_STE_DONE 5 + uint16_t flag; +#define LPFC_NVMET_IO_INP 1 +#define LPFC_NVMET_ABORT_OP 2 + struct rqb_dmabuf *rqb_buffer; +}; |