From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/scsi/lpfc/lpfc_nvme.h | 232 ++++++++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 178 insertions(+), 54 deletions(-)
diff --git a/kernel/drivers/scsi/lpfc/lpfc_nvme.h b/kernel/drivers/scsi/lpfc/lpfc_nvme.h
index b234d02..4a4c3f7 100644
--- a/kernel/drivers/scsi/lpfc/lpfc_nvme.h
+++ b/kernel/drivers/scsi/lpfc/lpfc_nvme.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term *
+ * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
* “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
* Copyright (C) 2004-2016 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
@@ -21,6 +21,10 @@
* 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
@@ -29,6 +33,9 @@
#define LPFC_NVME_EXPEDITE_XRICNT 8
#define LPFC_NVME_FB_SHIFT 9
#define LPFC_NVME_MAX_FB (1 << 20) /* 1M */
+
+#define LPFC_MAX_NVME_INFO_TMP_LEN 100
+#define LPFC_NVME_INFO_MORE_STR "\nCould be more info...\n"
#define lpfc_ndlp_get_nrport(ndlp) \
((!ndlp->nrport || (ndlp->upcall_flags & NLP_WAIT_FOR_UNREG)) \
@@ -40,19 +47,11 @@
uint32_t cpu_id; /* current cpu id at time of create */
};
-struct lpfc_nvme_ctrl_stat {
- atomic_t fc4NvmeInputRequests;
- atomic_t fc4NvmeOutputRequests;
- atomic_t fc4NvmeControlRequests;
- atomic_t fc4NvmeIoCmpls;
-};
-
/* Declare nvme-based local and remote port definitions. */
struct lpfc_nvme_lport {
struct lpfc_vport *vport;
struct completion *lport_unreg_cmp;
/* Add stats counters here */
- struct lpfc_nvme_ctrl_stat *cstat;
atomic_t fc4NvmeLsRequests;
atomic_t fc4NvmeLsCmpls;
atomic_t xmt_fcp_noxri;
@@ -76,57 +75,182 @@
struct completion rport_unreg_done;
};
-struct lpfc_nvme_buf {
+struct lpfc_nvme_fcpreq_priv {
+ struct lpfc_io_buf *nvme_buf;
+};
+
+/*
+ * set NVME LS request timeouts to 30s. It is larger than the 2*R_A_TOV
+ * set by the spec, which appears to have issues with some devices.
+ */
+#define LPFC_NVME_LS_TIMEOUT 30
+
+
+#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 */
+#define LPFC_NVMET_INV_HOST_ACTIVE 1
+
+struct lpfc_nvmet_tgtport {
+ struct lpfc_hba *phba;
+ struct completion *tport_unreg_cmp;
+ atomic_t state; /* tracks nvmet hosthandle invalidation */
+
+ /* 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))
+
+/* Values for state field of struct lpfc_async_xchg_ctx */
+#define LPFC_NVME_STE_LS_RCV 1
+#define LPFC_NVME_STE_LS_ABORT 2
+#define LPFC_NVME_STE_LS_RSP 3
+#define LPFC_NVME_STE_RCV 4
+#define LPFC_NVME_STE_DATA 5
+#define LPFC_NVME_STE_ABORT 6
+#define LPFC_NVME_STE_DONE 7
+#define LPFC_NVME_STE_FREE 0xff
+
+/* Values for flag field of struct lpfc_async_xchg_ctx */
+#define LPFC_NVME_IO_INP 0x1 /* IO is in progress on exchange */
+#define LPFC_NVME_ABORT_OP 0x2 /* Abort WQE issued on exchange */
+#define LPFC_NVME_XBUSY 0x4 /* XB bit set on IO cmpl */
+#define LPFC_NVME_CTX_RLS 0x8 /* ctx free requested */
+#define LPFC_NVME_ABTS_RCV 0x10 /* ABTS received on exchange */
+#define LPFC_NVME_CTX_REUSE_WQ 0x20 /* ctx reused via WQ */
+#define LPFC_NVME_DEFER_WQFULL 0x40 /* Waiting on a free WQE */
+#define LPFC_NVME_TNOTIFY 0x80 /* notify transport of abts */
+
+struct lpfc_async_xchg_ctx {
+ union {
+ struct nvmefc_tgt_fcp_req fcp_req;
+ } hdlrctx;
struct list_head list;
- struct nvmefc_fcp_req *nvmeCmd;
- struct lpfc_nvme_rport *nrport;
+ struct lpfc_hba *phba;
struct lpfc_nodelist *ndlp;
-
- uint32_t timeout;
-
- uint16_t flags; /* TBD convert exch_busy to flags */
-#define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */
-#define LPFC_BUMP_QDEPTH 0x2 /* bumped queue depth counter */
- uint16_t exch_busy; /* SLI4 hba reported XB on complete WCQE */
- uint16_t status; /* From IOCB Word 7- ulpStatus */
+ 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 qidx;
- uint16_t sqid;
- uint32_t result; /* From IOCB Word 4. */
+ uint16_t idx;
+ uint16_t state;
+ uint16_t flag;
+ void *payload;
+ struct rqb_dmabuf *rqb_buffer;
+ struct lpfc_nvmet_ctxbuf *ctxbuf;
+ struct lpfc_sli4_hdw_queue *hdwq;
- uint32_t seg_cnt; /* Number of scatter-gather segments returned by
- * dma_map_sg. The driver needs this for calls
- * to dma_unmap_sg.
- */
- dma_addr_t nonsg_phys; /* Non scatter-gather physical address. */
-
- /*
- * data and dma_handle are the kernel virtual and bus address of the
- * dma-able buffer containing the fcp_cmd, fcp_rsp and a scatter
- * gather bde list that supports the sg_tablesize value.
- */
- void *data;
- dma_addr_t dma_handle;
-
- struct sli4_sge *nvme_sgl;
- dma_addr_t dma_phys_sgl;
-
- /* cur_iocbq has phys of the dma-able buffer.
- * Iotag is in here
- */
- struct lpfc_iocbq cur_iocbq;
-
- wait_queue_head_t *waitq;
- unsigned long start_time;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint64_t ts_cmd_start;
- uint64_t ts_last_cmd;
- uint64_t ts_cmd_wqput;
- uint64_t ts_isr_cmpl;
+ 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
};
-struct lpfc_nvme_fcpreq_priv {
- struct lpfc_nvme_buf *nvme_buf;
-};
+
+/* routines found in lpfc_nvme.c */
+int __lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ struct nvmefc_ls_req *pnvme_lsreq,
+ void (*gen_req_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe));
+void __lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_vport *vport,
+ struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe);
+int __lpfc_nvme_ls_abort(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp, struct nvmefc_ls_req *pnvme_lsreq);
+
+/* routines found in lpfc_nvmet.c */
+int lpfc_nvme_unsol_ls_issue_abort(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp, uint32_t sid,
+ uint16_t xri);
+int __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg,
+ struct nvmefc_ls_rsp *ls_rsp,
+ void (*xmt_ls_rsp_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe));
+void __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe);
--
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