* included with this package. *
********************************************************************/
+#include <linux/nvme.h>
+#include <linux/nvme-fc-driver.h>
+#include <linux/nvme-fc.h>
+
#define LPFC_NVME_DEFAULT_SEGS (64 + 1) /* 256K IOs */
#define LPFC_NVME_ERSP_LEN 0x20
struct lpfc_nvme_fcpreq_priv {
struct lpfc_io_buf *nvme_buf;
};
+
+
+#define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */
+#define LPFC_NVMET_RQE_MIN_POST 128
+#define LPFC_NVMET_RQE_DEF_POST 512
+#define LPFC_NVMET_RQE_DEF_COUNT 2048
+#define LPFC_NVMET_SUCCESS_LEN 12
+
+#define LPFC_NVMET_MRQ_AUTO 0
+#define LPFC_NVMET_MRQ_MAX 16
+
+#define LPFC_NVMET_WAIT_TMO (5 * MSEC_PER_SEC)
+
+/* Used for NVME Target */
+struct lpfc_nvmet_tgtport {
+ struct lpfc_hba *phba;
+ struct completion *tport_unreg_cmp;
+
+ /* 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;
+ atomic_t xmt_ls_abort_cmpl;
+
+ /* 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_aborted;
+ atomic_t xmt_ls_rsp_xb_set;
+ 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;
+ atomic_t rcv_fcp_cmd_defer;
+ atomic_t xmt_fcp_release;
+
+ /* Stats counters - lpfc_nvmet_xmt_fcp_op */
+ 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_xb_set;
+ atomic_t xmt_fcp_rsp_cmpl;
+ atomic_t xmt_fcp_rsp_error;
+ atomic_t xmt_fcp_rsp_aborted;
+ atomic_t xmt_fcp_rsp_drop;
+
+ /* Stats counters - lpfc_nvmet_xmt_fcp_abort */
+ atomic_t xmt_fcp_xri_abort_cqe;
+ atomic_t xmt_fcp_abort;
+ atomic_t xmt_fcp_abort_cmpl;
+ atomic_t xmt_abort_sol;
+ atomic_t xmt_abort_unsol;
+ atomic_t xmt_abort_rsp;
+ atomic_t xmt_abort_rsp_error;
+
+ /* Stats counters - defer IO */
+ atomic_t defer_ctx;
+ atomic_t defer_fod;
+ atomic_t defer_wqfull;
+};
+
+struct lpfc_nvmet_ctx_info {
+ struct list_head nvmet_ctx_list;
+ spinlock_t nvmet_ctx_list_lock; /* lock per CPU */
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_next_cpu;
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_start_cpu;
+ uint16_t nvmet_ctx_list_cnt;
+ char pad[16]; /* pad to a cache-line */
+};
+
+/* This retrieves the context info associated with the specified cpu / mrq */
+#define lpfc_get_ctx_list(phba, cpu, mrq) \
+ (phba->sli4_hba.nvmet_ctx_info + ((cpu * phba->cfg_nvmet_mrq) + mrq))
+
+struct lpfc_async_xchg_ctx {
+ union {
+ struct nvmefc_tgt_fcp_req fcp_req;
+ } hdlrctx;
+ struct list_head list;
+ struct lpfc_hba *phba;
+ struct nvmefc_ls_req *ls_req;
+ struct nvmefc_ls_rsp ls_rsp;
+ struct lpfc_iocbq *wqeq;
+ struct lpfc_iocbq *abort_wqeq;
+ spinlock_t ctxlock; /* protect flag access */
+ uint32_t sid;
+ uint32_t offset;
+ uint16_t oxid;
+ uint16_t size;
+ uint16_t entry_cnt;
+ uint16_t cpu;
+ uint16_t idx;
+ uint16_t state;
+ /* States */
+#define LPFC_NVMET_STE_LS_RCV 1
+#define LPFC_NVMET_STE_LS_ABORT 2
+#define LPFC_NVMET_STE_LS_RSP 3
+#define LPFC_NVMET_STE_RCV 4
+#define LPFC_NVMET_STE_DATA 5
+#define LPFC_NVMET_STE_ABORT 6
+#define LPFC_NVMET_STE_DONE 7
+#define LPFC_NVMET_STE_FREE 0xff
+ uint16_t flag;
+#define LPFC_NVMET_IO_INP 0x1 /* IO is in progress on exchange */
+#define LPFC_NVMET_ABORT_OP 0x2 /* Abort WQE issued on exchange */
+#define LPFC_NVMET_XBUSY 0x4 /* XB bit set on IO cmpl */
+#define LPFC_NVMET_CTX_RLS 0x8 /* ctx free requested */
+#define LPFC_NVMET_ABTS_RCV 0x10 /* ABTS received on exchange */
+#define LPFC_NVMET_CTX_REUSE_WQ 0x20 /* ctx reused via WQ */
+#define LPFC_NVMET_DEFER_WQFULL 0x40 /* Waiting on a free WQE */
+#define LPFC_NVMET_TNOTIFY 0x80 /* notify transport of abts */
+ struct rqb_dmabuf *rqb_buffer;
+ struct lpfc_nvmet_ctxbuf *ctxbuf;
+ struct lpfc_sli4_hdw_queue *hdwq;
+
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ uint64_t ts_isr_cmd;
+ uint64_t ts_cmd_nvme;
+ uint64_t ts_nvme_data;
+ uint64_t ts_data_wqput;
+ uint64_t ts_isr_data;
+ uint64_t ts_data_nvme;
+ uint64_t ts_nvme_status;
+ uint64_t ts_status_wqput;
+ uint64_t ts_isr_status;
+ uint64_t ts_status_nvme;
+#endif
+};
+
+
+/* routines found in lpfc_nvme.c */
+
+/* routines found in lpfc_nvmet.c */