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path: root/drivers/scsi/lpfc/lpfc_nvmet.h
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvmet.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.h101
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;
+};