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_nvmet.c | 1771 ++++++++++++++++++++++++++++++++++++----------------------
1 files changed, 1,095 insertions(+), 676 deletions(-)
diff --git a/kernel/drivers/scsi/lpfc/lpfc_nvmet.c b/kernel/drivers/scsi/lpfc/lpfc_nvmet.c
index 23ead17..deab893 100644
--- a/kernel/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/kernel/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channsel 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. *
@@ -36,10 +36,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme.h>
-#include <linux/nvme-fc-driver.h>
-#include <linux/nvme-fc.h>
-
#include "lpfc_version.h"
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@@ -50,29 +46,28 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
#include "lpfc_debugfs.h"
static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
dma_addr_t rspbuf,
uint16_t rspsize);
static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *);
+ struct lpfc_async_xchg_ctx *);
static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
uint32_t, uint16_t);
static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
uint32_t, uint16_t);
-static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
- uint32_t, uint16_t);
static void lpfc_nvmet_wqfull_flush(struct lpfc_hba *, struct lpfc_queue *,
- struct lpfc_nvmet_rcv_ctx *);
+ struct lpfc_async_xchg_ctx *);
+static void lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *);
+
+static void lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf);
static union lpfc_wqe128 lpfc_tsend_cmd_template;
static union lpfc_wqe128 lpfc_treceive_cmd_template;
@@ -217,24 +212,119 @@
/* Word 12, 13, 14, 15 - is zero */
}
-void
-lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp)
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+static struct lpfc_async_xchg_ctx *
+lpfc_nvmet_get_ctx_for_xri(struct lpfc_hba *phba, u16 xri)
{
+ struct lpfc_async_xchg_ctx *ctxp;
unsigned long iflag;
+ bool found = false;
+
+ spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag);
+ list_for_each_entry(ctxp, &phba->sli4_hba.t_active_ctx_list, list) {
+ if (ctxp->ctxbuf->sglq->sli4_xritag != xri)
+ continue;
+
+ found = true;
+ break;
+ }
+ spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag);
+ if (found)
+ return ctxp;
+
+ return NULL;
+}
+
+static struct lpfc_async_xchg_ctx *
+lpfc_nvmet_get_ctx_for_oxid(struct lpfc_hba *phba, u16 oxid, u32 sid)
+{
+ struct lpfc_async_xchg_ctx *ctxp;
+ unsigned long iflag;
+ bool found = false;
+
+ spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag);
+ list_for_each_entry(ctxp, &phba->sli4_hba.t_active_ctx_list, list) {
+ if (ctxp->oxid != oxid || ctxp->sid != sid)
+ continue;
+
+ found = true;
+ break;
+ }
+ spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag);
+ if (found)
+ return ctxp;
+
+ return NULL;
+}
+#endif
+
+static void
+lpfc_nvmet_defer_release(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp)
+{
+ lockdep_assert_held(&ctxp->ctxlock);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6313 NVMET Defer ctx release xri x%x flg x%x\n",
+ "6313 NVMET Defer ctx release oxid x%x flg x%x\n",
ctxp->oxid, ctxp->flag);
- spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag);
- if (ctxp->flag & LPFC_NVMET_CTX_RLS) {
- spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock,
- iflag);
+ if (ctxp->flag & LPFC_NVME_CTX_RLS)
return;
- }
- ctxp->flag |= LPFC_NVMET_CTX_RLS;
+
+ ctxp->flag |= LPFC_NVME_CTX_RLS;
+ spin_lock(&phba->sli4_hba.t_active_list_lock);
+ list_del(&ctxp->list);
+ spin_unlock(&phba->sli4_hba.t_active_list_lock);
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_add_tail(&ctxp->list, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
- spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
+}
+
+/**
+ * __lpfc_nvme_xmt_ls_rsp_cmp - Generic completion handler for the
+ * transmission of an NVME LS response.
+ * @phba: Pointer to HBA context object.
+ * @cmdwqe: Pointer to driver command WQE object.
+ * @wcqe: Pointer to driver response CQE object.
+ *
+ * The function is called from SLI ring event handler with no
+ * lock held. The function frees memory resources used for the command
+ * used to send the NVME LS RSP.
+ **/
+void
+__lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
+ struct lpfc_async_xchg_ctx *axchg = cmdwqe->context2;
+ struct nvmefc_ls_rsp *ls_rsp = &axchg->ls_rsp;
+ uint32_t status, result;
+
+ status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
+ result = wcqe->parameter;
+
+ if (axchg->state != LPFC_NVME_STE_LS_RSP || axchg->entry_cnt != 2) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6410 NVMEx LS cmpl state mismatch IO x%x: "
+ "%d %d\n",
+ axchg->oxid, axchg->state, axchg->entry_cnt);
+ }
+
+ lpfc_nvmeio_data(phba, "NVMEx LS CMPL: xri x%x stat x%x result x%x\n",
+ axchg->oxid, status, result);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+ "6038 NVMEx LS rsp cmpl: %d %d oxid x%x\n",
+ status, result, axchg->oxid);
+
+ lpfc_nlp_put(cmdwqe->context1);
+ cmdwqe->context2 = NULL;
+ cmdwqe->context3 = NULL;
+ lpfc_sli_release_iocbq(phba, cmdwqe);
+ ls_rsp->done(ls_rsp);
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+ "6200 NVMEx LS rsp cmpl done status %d oxid x%x\n",
+ status, axchg->oxid);
+ kfree(axchg);
}
/**
@@ -245,33 +335,23 @@
*
* The function is called from SLI ring event handler with no
* lock held. This function is the completion handler for NVME LS commands
- * The function frees memory resources used for the NVME commands.
+ * The function updates any states and statistics, then calls the
+ * generic completion handler to free resources.
**/
static void
lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
struct lpfc_nvmet_tgtport *tgtp;
- struct nvmefc_tgt_ls_req *rsp;
- struct lpfc_nvmet_rcv_ctx *ctxp;
uint32_t status, result;
- status = bf_get(lpfc_wcqe_c_status, wcqe);
- result = wcqe->parameter;
- ctxp = cmdwqe->context2;
-
- if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6410 NVMET LS cmpl state mismatch IO x%x: "
- "%d %d\n",
- ctxp->oxid, ctxp->state, ctxp->entry_cnt);
- }
-
if (!phba->targetport)
- goto out;
+ goto finish;
+
+ status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
+ result = wcqe->parameter;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
-
if (tgtp) {
if (status) {
atomic_inc(&tgtp->xmt_ls_rsp_error);
@@ -284,22 +364,8 @@
}
}
-out:
- rsp = &ctxp->ctx.ls_req;
-
- lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n",
- ctxp->oxid, status, result);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
- "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n",
- status, result, ctxp->oxid);
-
- lpfc_nlp_put(cmdwqe->context1);
- cmdwqe->context2 = NULL;
- cmdwqe->context3 = NULL;
- lpfc_sli_release_iocbq(phba, cmdwqe);
- rsp->done(rsp);
- kfree(ctxp);
+finish:
+ __lpfc_nvme_xmt_ls_rsp_cmp(phba, cmdwqe, wcqe);
}
/**
@@ -319,29 +385,42 @@
lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
- struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context;
+ struct lpfc_async_xchg_ctx *ctxp = ctx_buf->context;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct rqb_dmabuf *nvmebuf;
struct lpfc_nvmet_ctx_info *infop;
- uint32_t *payload;
- uint32_t size, oxid, sid, rc;
+ uint32_t size, oxid, sid;
int cpu;
unsigned long iflag;
- if (ctxp->txrdy) {
- dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy,
- ctxp->txrdy_phys);
- ctxp->txrdy = NULL;
- ctxp->txrdy_phys = 0;
- }
-
- if (ctxp->state == LPFC_NVMET_STE_FREE) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ if (ctxp->state == LPFC_NVME_STE_FREE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6411 NVMET free, already free IO x%x: %d %d\n",
ctxp->oxid, ctxp->state, ctxp->entry_cnt);
}
- ctxp->state = LPFC_NVMET_STE_FREE;
+
+ if (ctxp->rqb_buffer) {
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ nvmebuf = ctxp->rqb_buffer;
+ /* check if freed in another path whilst acquiring lock */
+ if (nvmebuf) {
+ ctxp->rqb_buffer = NULL;
+ if (ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) {
+ ctxp->flag &= ~LPFC_NVME_CTX_REUSE_WQ;
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+ nvmebuf->hrq->rqbp->rqb_free_buffer(phba,
+ nvmebuf);
+ } else {
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+ /* repost */
+ lpfc_rq_buf_free(phba, &nvmebuf->hbuf);
+ }
+ } else {
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+ }
+ }
+ ctxp->state = LPFC_NVME_STE_FREE;
spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag);
if (phba->sli4_hba.nvmet_io_wait_cnt) {
@@ -355,19 +434,17 @@
fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
oxid = be16_to_cpu(fc_hdr->fh_ox_id);
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- payload = (uint32_t *)(nvmebuf->dbuf.virt);
size = nvmebuf->bytes_recv;
sid = sli4_sid_from_fc_hdr(fc_hdr);
- ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
+ ctxp = (struct lpfc_async_xchg_ctx *)ctx_buf->context;
ctxp->wqeq = NULL;
- ctxp->txrdy = NULL;
ctxp->offset = 0;
ctxp->phba = phba;
ctxp->size = size;
ctxp->oxid = oxid;
ctxp->sid = sid;
- ctxp->state = LPFC_NVMET_STE_RCV;
+ ctxp->state = LPFC_NVME_STE_RCV;
ctxp->entry_cnt = 1;
ctxp->flag = 0;
ctxp->ctxbuf = ctx_buf;
@@ -375,8 +452,9 @@
spin_lock_init(&ctxp->ctxlock);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- if (ctxp->ts_cmd_nvme) {
- ctxp->ts_cmd_nvme = ktime_get_ns();
+ /* NOTE: isr time stamp is stale when context is re-assigned*/
+ if (ctxp->ts_isr_cmd) {
+ ctxp->ts_cmd_nvme = 0;
ctxp->ts_nvme_data = 0;
ctxp->ts_data_wqput = 0;
ctxp->ts_isr_data = 0;
@@ -388,46 +466,28 @@
}
#endif
atomic_inc(&tgtp->rcv_fcp_cmd_in);
- /*
- * The calling sequence should be:
- * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done
- * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp.
- * When we return from nvmet_fc_rcv_fcp_req, all relevant info
- * the NVME command / FC header is stored.
- * A buffer has already been reposted for this IO, so just free
- * the nvmebuf.
- */
- rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req,
- payload, size);
- /* Process FCP command */
- if (rc == 0) {
- ctxp->rqb_buffer = NULL;
- atomic_inc(&tgtp->rcv_fcp_cmd_out);
- nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
- return;
+ /* Indicate that a replacement buffer has been posted */
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ ctxp->flag |= LPFC_NVME_CTX_REUSE_WQ;
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+
+ if (!queue_work(phba->wq, &ctx_buf->defer_work)) {
+ atomic_inc(&tgtp->rcv_fcp_cmd_drop);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6181 Unable to queue deferred work "
+ "for oxid x%x. "
+ "FCP Drop IO [x%x x%x x%x]\n",
+ ctxp->oxid,
+ atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_out),
+ atomic_read(&tgtp->xmt_fcp_release));
+
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ lpfc_nvmet_defer_release(phba, ctxp);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+ lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid);
}
-
- /* Processing of FCP command is deferred */
- if (rc == -EOVERFLOW) {
- lpfc_nvmeio_data(phba,
- "NVMET RCV BUSY: xri x%x sz %d "
- "from %06x\n",
- oxid, size, sid);
- atomic_inc(&tgtp->rcv_fcp_cmd_out);
- return;
- }
- atomic_inc(&tgtp->rcv_fcp_cmd_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
- ctxp->oxid, rc,
- atomic_read(&tgtp->rcv_fcp_cmd_in),
- atomic_read(&tgtp->rcv_fcp_cmd_out),
- atomic_read(&tgtp->xmt_fcp_release));
-
- lpfc_nvmet_defer_release(phba, ctxp);
- lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid);
- nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
return;
}
spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag);
@@ -436,7 +496,10 @@
* Use the CPU context list, from the MRQ the IO was received on
* (ctxp->idx), to save context structure.
*/
- cpu = smp_processor_id();
+ spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag);
+ list_del_init(&ctxp->list);
+ spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag);
+ cpu = raw_smp_processor_id();
infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx);
spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag);
list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list);
@@ -448,7 +511,7 @@
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
static void
lpfc_nvmet_ktime(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
uint64_t seg1, seg2, seg3, seg4, seg5;
uint64_t seg6, seg7, seg8, seg9, seg10;
@@ -657,16 +720,16 @@
{
struct lpfc_nvmet_tgtport *tgtp;
struct nvmefc_tgt_fcp_req *rsp;
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
uint32_t status, result, op, start_clean, logerr;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint32_t id;
+ int id;
#endif
ctxp = cmdwqe->context2;
- ctxp->flag &= ~LPFC_NVMET_IO_INP;
+ ctxp->flag &= ~LPFC_NVME_IO_INP;
- rsp = &ctxp->ctx.fcp_req;
+ rsp = &ctxp->hdlrctx.fcp_req;
op = rsp->op;
status = bf_get(lpfc_wcqe_c_status, wcqe);
@@ -693,18 +756,20 @@
/* pick up SLI4 exhange busy condition */
if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
- ctxp->flag |= LPFC_NVMET_XBUSY;
+ ctxp->flag |= LPFC_NVME_XBUSY;
logerr |= LOG_NVME_ABTS;
if (tgtp)
atomic_inc(&tgtp->xmt_fcp_rsp_xb_set);
} else {
- ctxp->flag &= ~LPFC_NVMET_XBUSY;
+ ctxp->flag &= ~LPFC_NVME_XBUSY;
}
lpfc_printf_log(phba, KERN_INFO, logerr,
- "6315 IO Error Cmpl xri x%x: %x/%x XBUSY:x%x\n",
- ctxp->oxid, status, result, ctxp->flag);
+ "6315 IO Error Cmpl oxid: x%x xri: x%x %x/%x "
+ "XBUSY:x%x\n",
+ ctxp->oxid, ctxp->ctxbuf->sglq->sli4_xritag,
+ status, result, ctxp->flag);
} else {
rsp->fcp_error = NVME_SC_SUCCESS;
@@ -719,7 +784,7 @@
if ((op == NVMET_FCOP_READDATA_RSP) ||
(op == NVMET_FCOP_RSP)) {
/* Sanity check */
- ctxp->state = LPFC_NVMET_STE_DONE;
+ ctxp->state = LPFC_NVME_STE_DONE;
ctxp->entry_cnt++;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -744,16 +809,6 @@
ktime_get_ns();
}
}
- if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) {
- id = smp_processor_id();
- if (ctxp->cpu != id)
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6703 CPU Check cmpl: "
- "cpu %d expect %d\n",
- id, ctxp->cpu);
- if (ctxp->cpu < LPFC_CHECK_CPU_CNT)
- phba->cpucheck_cmpl_io[id]++;
- }
#endif
rsp->done(rsp);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -771,32 +826,48 @@
ctxp->ts_isr_data = cmdwqe->isr_timestamp;
ctxp->ts_data_nvme = ktime_get_ns();
}
- if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) {
- id = smp_processor_id();
- if (ctxp->cpu != id)
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6704 CPU Check cmdcmpl: "
- "cpu %d expect %d\n",
- id, ctxp->cpu);
- if (ctxp->cpu < LPFC_CHECK_CPU_CNT)
- phba->cpucheck_ccmpl_io[id]++;
- }
#endif
rsp->done(rsp);
}
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ if (phba->hdwqstat_on & LPFC_CHECK_NVMET_IO) {
+ id = raw_smp_processor_id();
+ this_cpu_inc(phba->sli4_hba.c_stat->cmpl_io);
+ if (ctxp->cpu != id)
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
+ "6704 CPU Check cmdcmpl: "
+ "cpu %d expect %d\n",
+ id, ctxp->cpu);
+ }
+#endif
}
-static int
-lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
- struct nvmefc_tgt_ls_req *rsp)
+/**
+ * __lpfc_nvme_xmt_ls_rsp - Generic service routine to issue transmit
+ * an NVME LS rsp for a prior NVME LS request that was received.
+ * @axchg: pointer to exchange context for the NVME LS request the response
+ * is for.
+ * @ls_rsp: pointer to the transport LS RSP that is to be sent
+ * @xmt_ls_rsp_cmp: completion routine to call upon RSP transmit done
+ *
+ * This routine is used to format and send a WQE to transmit a NVME LS
+ * Response. The response is for a prior NVME LS request that was
+ * received and posted to the transport.
+ *
+ * Returns:
+ * 0 : if response successfully transmit
+ * non-zero : if response failed to transmit, of the form -Exxx.
+ **/
+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))
{
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req);
- struct lpfc_hba *phba = ctxp->phba;
- struct hbq_dmabuf *nvmebuf =
- (struct hbq_dmabuf *)ctxp->rqb_buffer;
+ struct lpfc_hba *phba = axchg->phba;
+ struct hbq_dmabuf *nvmebuf = (struct hbq_dmabuf *)axchg->rqb_buffer;
struct lpfc_iocbq *nvmewqeq;
- struct lpfc_nvmet_tgtport *nvmep = tgtport->private;
struct lpfc_dmabuf dmabuf;
struct ulp_bde64 bpl;
int rc;
@@ -804,34 +875,27 @@
if (phba->pport->load_flag & FC_UNLOADING)
return -ENODEV;
- if (phba->pport->load_flag & FC_UNLOADING)
- return -ENODEV;
-
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
- "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid);
+ "6023 NVMEx LS rsp oxid x%x\n", axchg->oxid);
- if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) ||
- (ctxp->entry_cnt != 1)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6412 NVMET LS rsp state mismatch "
+ if (axchg->state != LPFC_NVME_STE_LS_RCV || axchg->entry_cnt != 1) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6412 NVMEx LS rsp state mismatch "
"oxid x%x: %d %d\n",
- ctxp->oxid, ctxp->state, ctxp->entry_cnt);
+ axchg->oxid, axchg->state, axchg->entry_cnt);
+ return -EALREADY;
}
- ctxp->state = LPFC_NVMET_STE_LS_RSP;
- ctxp->entry_cnt++;
+ axchg->state = LPFC_NVME_STE_LS_RSP;
+ axchg->entry_cnt++;
- nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma,
- rsp->rsplen);
+ nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, axchg, ls_rsp->rspdma,
+ ls_rsp->rsplen);
if (nvmewqeq == NULL) {
- atomic_inc(&nvmep->xmt_ls_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6150 LS Drop IO x%x: Prep\n",
- ctxp->oxid);
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- atomic_inc(&nvmep->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp,
- ctxp->sid, ctxp->oxid);
- return -ENOMEM;
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6150 NVMEx LS Drop Rsp x%x: Prep\n",
+ axchg->oxid);
+ rc = -ENOMEM;
+ goto out_free_buf;
}
/* Save numBdes for bpl2sgl */
@@ -841,40 +905,105 @@
dmabuf.virt = &bpl;
bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow;
bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh;
- bpl.tus.f.bdeSize = rsp->rsplen;
+ bpl.tus.f.bdeSize = ls_rsp->rsplen;
bpl.tus.f.bdeFlags = 0;
bpl.tus.w = le32_to_cpu(bpl.tus.w);
+ /*
+ * Note: although we're using stack space for the dmabuf, the
+ * call to lpfc_sli4_issue_wqe is synchronous, so it will not
+ * be referenced after it returns back to this routine.
+ */
- nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp;
+ nvmewqeq->wqe_cmpl = xmt_ls_rsp_cmp;
nvmewqeq->iocb_cmpl = NULL;
- nvmewqeq->context2 = ctxp;
+ nvmewqeq->context2 = axchg;
- lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n",
- ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen);
+ lpfc_nvmeio_data(phba, "NVMEx LS RSP: xri x%x wqidx x%x len x%x\n",
+ axchg->oxid, nvmewqeq->hba_wqidx, ls_rsp->rsplen);
- rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, nvmewqeq);
+ rc = lpfc_sli4_issue_wqe(phba, axchg->hdwq, nvmewqeq);
+
+ /* clear to be sure there's no reference */
+ nvmewqeq->context3 = NULL;
+
if (rc == WQE_SUCCESS) {
/*
* Okay to repost buffer here, but wait till cmpl
* before freeing ctxp and iocbq.
*/
lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- ctxp->rqb_buffer = 0;
- atomic_inc(&nvmep->xmt_ls_rsp);
return 0;
}
- /* Give back resources */
- atomic_inc(&nvmep->xmt_ls_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6151 LS Drop IO x%x: Issue %d\n",
- ctxp->oxid, rc);
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6151 NVMEx LS RSP x%x: failed to transmit %d\n",
+ axchg->oxid, rc);
+
+ rc = -ENXIO;
lpfc_nlp_put(nvmewqeq->context1);
+out_free_buf:
+ /* Give back resources */
lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- atomic_inc(&nvmep->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid);
- return -ENXIO;
+
+ /*
+ * As transport doesn't track completions of responses, if the rsp
+ * fails to send, the transport will effectively ignore the rsp
+ * and consider the LS done. However, the driver has an active
+ * exchange open for the LS - so be sure to abort the exchange
+ * if the response isn't sent.
+ */
+ lpfc_nvme_unsol_ls_issue_abort(phba, axchg, axchg->sid, axchg->oxid);
+ return rc;
+}
+
+/**
+ * lpfc_nvmet_xmt_ls_rsp - Transmit NVME LS response
+ * @tgtport: pointer to target port that NVME LS is to be transmit from.
+ * @ls_rsp: pointer to the transport LS RSP that is to be sent
+ *
+ * Driver registers this routine to transmit responses for received NVME
+ * LS requests.
+ *
+ * This routine is used to format and send a WQE to transmit a NVME LS
+ * Response. The ls_rsp is used to reverse-map the LS to the original
+ * NVME LS request sequence, which provides addressing information for
+ * the remote port the LS to be sent to, as well as the exchange id
+ * that is the LS is bound to.
+ *
+ * Returns:
+ * 0 : if response successfully transmit
+ * non-zero : if response failed to transmit, of the form -Exxx.
+ **/
+static int
+lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_ls_rsp *ls_rsp)
+{
+ struct lpfc_async_xchg_ctx *axchg =
+ container_of(ls_rsp, struct lpfc_async_xchg_ctx, ls_rsp);
+ struct lpfc_nvmet_tgtport *nvmep = tgtport->private;
+ int rc;
+
+ if (axchg->phba->pport->load_flag & FC_UNLOADING)
+ return -ENODEV;
+
+ rc = __lpfc_nvme_xmt_ls_rsp(axchg, ls_rsp, lpfc_nvmet_xmt_ls_rsp_cmp);
+
+ if (rc) {
+ atomic_inc(&nvmep->xmt_ls_drop);
+ /*
+ * unless the failure is due to having already sent
+ * the response, an abort will be generated for the
+ * exchange if the rsp can't be sent.
+ */
+ if (rc != -EALREADY)
+ atomic_inc(&nvmep->xmt_ls_abort);
+ return rc;
+ }
+
+ atomic_inc(&nvmep->xmt_ls_rsp);
+ return 0;
}
static int
@@ -882,19 +1011,17 @@
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
struct lpfc_queue *wq;
struct lpfc_iocbq *nvmewqeq;
struct lpfc_sli_ring *pring;
unsigned long iflags;
int rc;
-
- if (phba->pport->load_flag & FC_UNLOADING) {
- rc = -ENODEV;
- goto aerr;
- }
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ int id;
+#endif
if (phba->pport->load_flag & FC_UNLOADING) {
rc = -ENODEV;
@@ -908,27 +1035,29 @@
else
ctxp->ts_nvme_data = ktime_get_ns();
}
- if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) {
- int id = smp_processor_id();
- ctxp->cpu = id;
- if (id < LPFC_CHECK_CPU_CNT)
- phba->cpucheck_xmt_io[id]++;
- if (rsp->hwqid != id) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+
+ /* Setup the hdw queue if not already set */
+ if (!ctxp->hdwq)
+ ctxp->hdwq = &phba->sli4_hba.hdwq[rsp->hwqid];
+
+ if (phba->hdwqstat_on & LPFC_CHECK_NVMET_IO) {
+ id = raw_smp_processor_id();
+ this_cpu_inc(phba->sli4_hba.c_stat->xmt_io);
+ if (rsp->hwqid != id)
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
"6705 CPU Check OP: "
"cpu %d expect %d\n",
id, rsp->hwqid);
- ctxp->cpu = rsp->hwqid;
- }
+ ctxp->cpu = id; /* Setup cpu for cmpl check */
}
#endif
/* Sanity check */
- if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) ||
- (ctxp->state == LPFC_NVMET_STE_ABORT)) {
+ if ((ctxp->flag & LPFC_NVME_ABTS_RCV) ||
+ (ctxp->state == LPFC_NVME_STE_ABORT)) {
atomic_inc(&lpfc_nvmep->xmt_fcp_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6102 IO xri x%x aborted\n",
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6102 IO oxid x%x aborted\n",
ctxp->oxid);
rc = -ENXIO;
goto aerr;
@@ -937,7 +1066,7 @@
nvmewqeq = lpfc_nvmet_prep_fcp_wqe(phba, ctxp);
if (nvmewqeq == NULL) {
atomic_inc(&lpfc_nvmep->xmt_fcp_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6152 FCP Drop IO x%x: Prep\n",
ctxp->oxid);
rc = -ENXIO;
@@ -953,8 +1082,8 @@
lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n",
ctxp->oxid, rsp->op, rsp->rsplen);
- ctxp->flag |= LPFC_NVMET_IO_INP;
- rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq);
+ ctxp->flag |= LPFC_NVME_IO_INP;
+ rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq);
if (rc == WQE_SUCCESS) {
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
if (!ctxp->ts_cmd_nvme)
@@ -972,8 +1101,8 @@
* WQ was full, so queue nvmewqeq to be sent after
* WQE release CQE
*/
- ctxp->flag |= LPFC_NVMET_DEFER_WQFULL;
- wq = phba->sli4_hba.nvme_wq[rsp->hwqid];
+ ctxp->flag |= LPFC_NVME_DEFER_WQFULL;
+ wq = ctxp->hdwq->io_wq;
pring = wq->pring;
spin_lock_irqsave(&pring->ring_lock, iflags);
list_add_tail(&nvmewqeq->list, &wq->wqfull_list);
@@ -985,7 +1114,7 @@
/* Give back resources */
atomic_inc(&lpfc_nvmep->xmt_fcp_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6153 FCP Drop IO x%x: Issue: %d\n",
ctxp->oxid, rc);
@@ -1012,8 +1141,8 @@
struct nvmefc_tgt_fcp_req *req)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(req, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
struct lpfc_queue *wq;
unsigned long flags;
@@ -1021,11 +1150,11 @@
if (phba->pport->load_flag & FC_UNLOADING)
return;
- if (phba->pport->load_flag & FC_UNLOADING)
- return;
+ if (!ctxp->hdwq)
+ ctxp->hdwq = &phba->sli4_hba.hdwq[0];
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6103 NVMET Abort op: oxri x%x flg x%x ste %d\n",
+ "6103 NVMET Abort op: oxid x%x flg x%x ste %d\n",
ctxp->oxid, ctxp->flag, ctxp->state);
lpfc_nvmeio_data(phba, "NVMET FCP ABRT: xri x%x flg x%x ste x%x\n",
@@ -1034,37 +1163,36 @@
atomic_inc(&lpfc_nvmep->xmt_fcp_abort);
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->state = LPFC_NVMET_STE_ABORT;
/* Since iaab/iaar are NOT set, we need to check
* if the firmware is in process of aborting IO
*/
- if (ctxp->flag & LPFC_NVMET_XBUSY) {
+ if (ctxp->flag & (LPFC_NVME_XBUSY | LPFC_NVME_ABORT_OP)) {
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return;
}
- ctxp->flag |= LPFC_NVMET_ABORT_OP;
+ ctxp->flag |= LPFC_NVME_ABORT_OP;
- if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) {
+ if (ctxp->flag & LPFC_NVME_DEFER_WQFULL) {
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid,
ctxp->oxid);
- wq = phba->sli4_hba.nvme_wq[ctxp->wqeq->hba_wqidx];
- spin_unlock_irqrestore(&ctxp->ctxlock, flags);
+ wq = ctxp->hdwq->io_wq;
lpfc_nvmet_wqfull_flush(phba, wq, ctxp);
return;
}
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
- /* An state of LPFC_NVMET_STE_RCV means we have just received
+ /* A state of LPFC_NVME_STE_RCV means we have just received
* the NVME command and have not started processing it.
* (by issuing any IO WQEs on this exchange yet)
*/
- if (ctxp->state == LPFC_NVMET_STE_RCV)
+ if (ctxp->state == LPFC_NVME_STE_RCV)
lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid,
ctxp->oxid);
else
lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid,
ctxp->oxid);
- spin_unlock_irqrestore(&ctxp->ctxlock, flags);
}
static void
@@ -1072,22 +1200,26 @@
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
unsigned long flags;
bool aborting = false;
- if (ctxp->state != LPFC_NVMET_STE_DONE &&
- ctxp->state != LPFC_NVMET_STE_ABORT) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ if (ctxp->flag & LPFC_NVME_XBUSY)
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
+ "6027 NVMET release with XBUSY flag x%x"
+ " oxid x%x\n",
+ ctxp->flag, ctxp->oxid);
+ else if (ctxp->state != LPFC_NVME_STE_DONE &&
+ ctxp->state != LPFC_NVME_STE_ABORT)
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6413 NVMET release bad state %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
- }
- spin_lock_irqsave(&ctxp->ctxlock, flags);
- if ((ctxp->flag & LPFC_NVMET_ABORT_OP) ||
- (ctxp->flag & LPFC_NVMET_XBUSY)) {
+ if ((ctxp->flag & LPFC_NVME_ABORT_OP) ||
+ (ctxp->flag & LPFC_NVME_XBUSY)) {
aborting = true;
/* let the abort path do the real release */
lpfc_nvmet_defer_release(phba, ctxp);
@@ -1098,6 +1230,7 @@
ctxp->state, aborting);
atomic_inc(&lpfc_nvmep->xmt_fcp_release);
+ ctxp->flag &= ~LPFC_NVME_TNOTIFY;
if (aborting)
return;
@@ -1110,17 +1243,19 @@
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *tgtp;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
struct lpfc_hba *phba = ctxp->phba;
+ unsigned long iflag;
+
lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n",
- ctxp->oxid, ctxp->size, smp_processor_id());
+ ctxp->oxid, ctxp->size, raw_smp_processor_id());
if (!nvmebuf) {
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
- "6425 Defer rcv: no buffer xri x%x: "
+ "6425 Defer rcv: no buffer oxid x%x: "
"flg %x ste %x\n",
ctxp->oxid, ctxp->flag, ctxp->state);
return;
@@ -1132,6 +1267,135 @@
/* Free the nvmebuf since a new buffer already replaced it */
nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ ctxp->rqb_buffer = NULL;
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+}
+
+/**
+ * lpfc_nvmet_ls_req_cmp - completion handler for a nvme ls request
+ * @phba: Pointer to HBA context object
+ * @cmdwqe: Pointer to driver command WQE object.
+ * @wcqe: Pointer to driver response CQE object.
+ *
+ * This function is the completion handler for NVME LS requests.
+ * The function updates any states and statistics, then calls the
+ * generic completion handler to finish completion of the request.
+ **/
+static void
+lpfc_nvmet_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
+ __lpfc_nvme_ls_req_cmp(phba, cmdwqe->vport, cmdwqe, wcqe);
+}
+
+/**
+ * lpfc_nvmet_ls_req - Issue an Link Service request
+ * @targetport - pointer to target instance registered with nvmet transport.
+ * @hosthandle - hosthandle set by the driver in a prior ls_rqst_rcv.
+ * Driver sets this value to the ndlp pointer.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for the LS
+ *
+ * Driver registers this routine to handle any link service request
+ * from the nvme_fc transport to a remote nvme-aware port.
+ *
+ * Return value :
+ * 0 - Success
+ * non-zero: various error codes, in form of -Exxx
+ **/
+static int
+lpfc_nvmet_ls_req(struct nvmet_fc_target_port *targetport,
+ void *hosthandle,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_nvmet_tgtport *lpfc_nvmet = targetport->private;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ int ret;
+ u32 hstate;
+
+ if (!lpfc_nvmet)
+ return -EINVAL;
+
+ phba = lpfc_nvmet->phba;
+ if (phba->pport->load_flag & FC_UNLOADING)
+ return -EINVAL;
+
+ hstate = atomic_read(&lpfc_nvmet->state);
+ if (hstate == LPFC_NVMET_INV_HOST_ACTIVE)
+ return -EACCES;
+
+ ndlp = (struct lpfc_nodelist *)hosthandle;
+
+ ret = __lpfc_nvme_ls_req(phba->pport, ndlp, pnvme_lsreq,
+ lpfc_nvmet_ls_req_cmp);
+
+ return ret;
+}
+
+/**
+ * lpfc_nvmet_ls_abort - Abort a prior NVME LS request
+ * @targetport: Transport targetport, that LS was issued from.
+ * @hosthandle - hosthandle set by the driver in a prior ls_rqst_rcv.
+ * Driver sets this value to the ndlp pointer.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for LS to be aborted
+ *
+ * Driver registers this routine to abort an NVME LS request that is
+ * in progress (from the transports perspective).
+ **/
+static void
+lpfc_nvmet_ls_abort(struct nvmet_fc_target_port *targetport,
+ void *hosthandle,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_nvmet_tgtport *lpfc_nvmet = targetport->private;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ int ret;
+
+ phba = lpfc_nvmet->phba;
+ if (phba->pport->load_flag & FC_UNLOADING)
+ return;
+
+ ndlp = (struct lpfc_nodelist *)hosthandle;
+
+ ret = __lpfc_nvme_ls_abort(phba->pport, ndlp, pnvme_lsreq);
+ if (!ret)
+ atomic_inc(&lpfc_nvmet->xmt_ls_abort);
+}
+
+static void
+lpfc_nvmet_host_release(void *hosthandle)
+{
+ struct lpfc_nodelist *ndlp = hosthandle;
+ struct lpfc_hba *phba = NULL;
+ struct lpfc_nvmet_tgtport *tgtp;
+
+ phba = ndlp->phba;
+ if (!phba->targetport || !phba->targetport->private)
+ return;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ "6202 NVMET XPT releasing hosthandle x%px\n",
+ hosthandle);
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_set(&tgtp->state, 0);
+}
+
+static void
+lpfc_nvmet_discovery_event(struct nvmet_fc_target_port *tgtport)
+{
+ struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_hba *phba;
+ uint32_t rc;
+
+ tgtp = tgtport->private;
+ phba = tgtp->phba;
+
+ rc = lpfc_issue_els_rscn(phba->pport, 0);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6420 NVMET subsystem change: Notification %s\n",
+ (rc) ? "Failed" : "Sent");
}
static struct nvmet_fc_target_template lpfc_tgttemplate = {
@@ -1141,6 +1405,10 @@
.fcp_abort = lpfc_nvmet_xmt_fcp_abort,
.fcp_req_release = lpfc_nvmet_xmt_fcp_release,
.defer_rcv = lpfc_nvmet_defer_rcv,
+ .discovery_event = lpfc_nvmet_discovery_event,
+ .ls_req = lpfc_nvmet_ls_req,
+ .ls_abort = lpfc_nvmet_ls_abort,
+ .host_release = lpfc_nvmet_host_release,
.max_hw_queues = 1,
.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,
@@ -1151,6 +1419,7 @@
.target_features = 0,
/* sizes of additional private data for data structures */
.target_priv_sz = sizeof(struct lpfc_nvmet_tgtport),
+ .lsrqst_priv_sz = 0,
};
static void
@@ -1163,9 +1432,9 @@
spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags);
list_for_each_entry_safe(ctx_buf, next_ctx_buf,
&infop->nvmet_ctx_list, list) {
- spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_del_init(&ctx_buf->list);
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
__lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag);
ctx_buf->sglq->state = SGL_FREED;
@@ -1195,9 +1464,9 @@
/* Cycle the the entire CPU context list for every MRQ */
for (i = 0; i < phba->cfg_nvmet_mrq; i++) {
- for (j = 0; j < phba->sli4_hba.num_present_cpu; j++) {
+ for_each_present_cpu(j) {
+ infop = lpfc_get_ctx_list(phba, j, i);
__lpfc_nvmet_clean_io_for_cpu(phba, infop);
- infop++; /* next */
}
}
kfree(phba->sli4_hba.nvmet_ctx_info);
@@ -1212,17 +1481,17 @@
union lpfc_wqe128 *wqe;
struct lpfc_nvmet_ctx_info *last_infop;
struct lpfc_nvmet_ctx_info *infop;
- int i, j, idx;
+ int i, j, idx, cpu;
lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
"6403 Allocate NVMET resources for %d XRIs\n",
phba->sli4_hba.nvmet_xri_cnt);
phba->sli4_hba.nvmet_ctx_info = kcalloc(
- phba->sli4_hba.num_present_cpu * phba->cfg_nvmet_mrq,
+ phba->sli4_hba.num_possible_cpu * phba->cfg_nvmet_mrq,
sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL);
if (!phba->sli4_hba.nvmet_ctx_info) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6419 Failed allocate memory for "
"nvmet context lists\n");
return -ENOMEM;
@@ -1247,13 +1516,12 @@
* of the IO completion. Thus a context that was allocated for MRQ A
* whose IO completed on CPU B will be freed to cpuB/mrqA.
*/
- infop = phba->sli4_hba.nvmet_ctx_info;
- for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ for_each_possible_cpu(i) {
for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
+ infop = lpfc_get_ctx_list(phba, i, j);
INIT_LIST_HEAD(&infop->nvmet_ctx_list);
spin_lock_init(&infop->nvmet_ctx_list_lock);
infop->nvmet_ctx_list_cnt = 0;
- infop++;
}
}
@@ -1263,8 +1531,10 @@
* MRQ 1 cycling thru CPUs 0 - X, and so on.
*/
for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
- last_infop = lpfc_get_ctx_list(phba, 0, j);
- for (i = phba->sli4_hba.num_present_cpu - 1; i >= 0; i--) {
+ last_infop = lpfc_get_ctx_list(phba,
+ cpumask_first(cpu_present_mask),
+ j);
+ for (i = phba->sli4_hba.num_possible_cpu - 1; i >= 0; i--) {
infop = lpfc_get_ctx_list(phba, i, j);
infop->nvmet_ctx_next_cpu = last_infop;
last_infop = infop;
@@ -1275,10 +1545,11 @@
* received command on a per xri basis.
*/
idx = 0;
+ cpu = cpumask_first(cpu_present_mask);
for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) {
ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL);
if (!ctx_buf) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6404 Ran out of memory for NVMET\n");
return -ENOMEM;
}
@@ -1287,19 +1558,19 @@
GFP_KERNEL);
if (!ctx_buf->context) {
kfree(ctx_buf);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6405 Ran out of NVMET "
"context memory\n");
return -ENOMEM;
}
ctx_buf->context->ctxbuf = ctx_buf;
- ctx_buf->context->state = LPFC_NVMET_STE_FREE;
+ ctx_buf->context->state = LPFC_NVME_STE_FREE;
ctx_buf->iocbq = lpfc_sli_get_iocbq(phba);
if (!ctx_buf->iocbq) {
kfree(ctx_buf->context);
kfree(ctx_buf);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6406 Ran out of NVMET iocb/WQEs\n");
return -ENOMEM;
}
@@ -1318,17 +1589,18 @@
lpfc_sli_release_iocbq(phba, ctx_buf->iocbq);
kfree(ctx_buf->context);
kfree(ctx_buf);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6407 Ran out of NVMET XRIs\n");
return -ENOMEM;
}
+ INIT_WORK(&ctx_buf->defer_work, lpfc_nvmet_fcp_rqst_defer_work);
/*
* Add ctx to MRQidx context list. Our initial assumption
* is MRQidx will be associated with CPUidx. This association
* can change on the fly.
*/
- infop = lpfc_get_ctx_list(phba, idx, idx);
+ infop = lpfc_get_ctx_list(phba, cpu, idx);
spin_lock(&infop->nvmet_ctx_list_lock);
list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list);
infop->nvmet_ctx_list_cnt++;
@@ -1336,16 +1608,23 @@
/* Spread ctx structures evenly across all MRQs */
idx++;
- if (idx >= phba->cfg_nvmet_mrq)
+ if (idx >= phba->cfg_nvmet_mrq) {
idx = 0;
+ cpu = cpumask_first(cpu_present_mask);
+ continue;
+ }
+ cpu = cpumask_next(cpu, cpu_present_mask);
+ if (cpu == nr_cpu_ids)
+ cpu = cpumask_first(cpu_present_mask);
+
}
- for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ for_each_present_cpu(i) {
for (j = 0; j < phba->cfg_nvmet_mrq; j++) {
infop = lpfc_get_ctx_list(phba, i, j);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT,
"6408 TOTAL NVMET ctx for CPU %d "
- "MRQ %d: cnt %d nextcpu %p\n",
+ "MRQ %d: cnt %d nextcpu x%px\n",
i, j, infop->nvmet_ctx_list_cnt,
infop->nvmet_ctx_next_cpu);
}
@@ -1373,19 +1652,12 @@
pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn);
pinfo.port_id = vport->fc_myDID;
- /* Limit to LPFC_MAX_NVME_SEG_CNT.
- * For now need + 1 to get around NVME transport logic.
+ /* We need to tell the transport layer + 1 because it takes page
+ * alignment into account. When space for the SGL is allocated we
+ * allocate + 3, one for cmd, one for rsp and one for this alignment
*/
- if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) {
- lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT,
- "6400 Reducing sg segment cnt to %d\n",
- LPFC_MAX_NVME_SEG_CNT);
- phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT;
- } else {
- phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt;
- }
lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1;
- lpfc_tgttemplate.max_hw_queues = phba->cfg_nvme_io_channel;
+ lpfc_tgttemplate.max_hw_queues = phba->cfg_hdw_queue;
lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP;
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
@@ -1396,7 +1668,7 @@
error = -ENOENT;
#endif
if (error) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6025 Cannot register NVME targetport x%x: "
"portnm %llx nodenm %llx segs %d qs %d\n",
error,
@@ -1415,7 +1687,7 @@
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
"6026 Registered NVME "
- "targetport: %p, private %p "
+ "targetport: x%px, private x%px "
"portnm %llx nodenm %llx segs %d qs %d\n",
phba->targetport, tgtp,
pinfo.port_name, pinfo.node_name,
@@ -1470,7 +1742,7 @@
return 0;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
- "6007 Update NVMET port %p did x%x\n",
+ "6007 Update NVMET port x%px did x%x\n",
phba->targetport, vport->fc_myDID);
phba->targetport->port_id = vport->fc_myDID;
@@ -1489,10 +1761,12 @@
lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
struct sli4_wcqe_xri_aborted *axri)
{
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri);
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
+ struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
struct lpfc_nvmet_tgtport *tgtp;
+ struct nvmefc_tgt_fcp_req *req = NULL;
struct lpfc_nodelist *ndlp;
unsigned long iflag = 0;
int rrq_empty = 0;
@@ -1510,23 +1784,25 @@
}
spin_lock_irqsave(&phba->hbalock, iflag);
- spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_for_each_entry_safe(ctxp, next_ctxp,
&phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
list) {
if (ctxp->ctxbuf->sglq->sli4_xritag != xri)
continue;
+ spin_lock(&ctxp->ctxlock);
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- if (ctxp->flag & LPFC_NVMET_CTX_RLS &&
- !(ctxp->flag & LPFC_NVMET_ABORT_OP)) {
- list_del(&ctxp->list);
+ if (ctxp->flag & LPFC_NVME_CTX_RLS &&
+ !(ctxp->flag & LPFC_NVME_ABORT_OP)) {
+ list_del_init(&ctxp->list);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_XBUSY;
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ ctxp->flag &= ~LPFC_NVME_XBUSY;
+ spin_unlock(&ctxp->ctxlock);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
rrq_empty = list_empty(&phba->active_rrq_list);
spin_unlock_irqrestore(&phba->hbalock, iflag);
@@ -1541,7 +1817,7 @@
}
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6318 XB aborted oxid %x flg x%x (%x)\n",
+ "6318 XB aborted oxid x%x flg x%x (%x)\n",
ctxp->oxid, ctxp->flag, released);
if (released)
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
@@ -1550,61 +1826,169 @@
lpfc_worker_wake_up(phba);
return;
}
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
+
+ ctxp = lpfc_nvmet_get_ctx_for_xri(phba, xri);
+ if (ctxp) {
+ /*
+ * Abort already done by FW, so BA_ACC sent.
+ * However, the transport may be unaware.
+ */
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
+ "6323 NVMET Rcv ABTS xri x%x ctxp state x%x "
+ "flag x%x oxid x%x rxid x%x\n",
+ xri, ctxp->state, ctxp->flag, ctxp->oxid,
+ rxid);
+
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ ctxp->flag |= LPFC_NVME_ABTS_RCV;
+ ctxp->state = LPFC_NVME_STE_ABORT;
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+
+ lpfc_nvmeio_data(phba,
+ "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n",
+ xri, raw_smp_processor_id(), 0);
+
+ req = &ctxp->hdlrctx.fcp_req;
+ if (req)
+ nvmet_fc_rcv_fcp_abort(phba->targetport, req);
+ }
+#endif
}
int
lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
struct fc_frame_header *fc_hdr)
-
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_hba *phba = vport->phba;
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
+ struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
struct nvmefc_tgt_fcp_req *rsp;
- uint16_t xri;
+ uint32_t sid;
+ uint16_t oxid, xri;
unsigned long iflag = 0;
- xri = be16_to_cpu(fc_hdr->fh_ox_id);
+ sid = sli4_sid_from_fc_hdr(fc_hdr);
+ oxid = be16_to_cpu(fc_hdr->fh_ox_id);
spin_lock_irqsave(&phba->hbalock, iflag);
- spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_for_each_entry_safe(ctxp, next_ctxp,
&phba->sli4_hba.lpfc_abts_nvmet_ctx_list,
list) {
- if (ctxp->ctxbuf->sglq->sli4_xritag != xri)
+ if (ctxp->oxid != oxid || ctxp->sid != sid)
continue;
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ xri = ctxp->ctxbuf->sglq->sli4_xritag;
+
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
spin_lock_irqsave(&ctxp->ctxlock, iflag);
- ctxp->flag |= LPFC_NVMET_ABTS_RCV;
+ ctxp->flag |= LPFC_NVME_ABTS_RCV;
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
lpfc_nvmeio_data(phba,
"NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n",
- xri, smp_processor_id(), 0);
+ xri, raw_smp_processor_id(), 0);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
"6319 NVMET Rcv ABTS:acc xri x%x\n", xri);
- rsp = &ctxp->ctx.fcp_req;
+ rsp = &ctxp->hdlrctx.fcp_req;
nvmet_fc_rcv_fcp_abort(phba->targetport, rsp);
/* Respond with BA_ACC accordingly */
lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1);
return 0;
}
- spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
- lpfc_nvmeio_data(phba, "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n",
- xri, smp_processor_id(), 1);
+ /* check the wait list */
+ if (phba->sli4_hba.nvmet_io_wait_cnt) {
+ struct rqb_dmabuf *nvmebuf;
+ struct fc_frame_header *fc_hdr_tmp;
+ u32 sid_tmp;
+ u16 oxid_tmp;
+ bool found = false;
+
+ spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag);
+
+ /* match by oxid and s_id */
+ list_for_each_entry(nvmebuf,
+ &phba->sli4_hba.lpfc_nvmet_io_wait_list,
+ hbuf.list) {
+ fc_hdr_tmp = (struct fc_frame_header *)
+ (nvmebuf->hbuf.virt);
+ oxid_tmp = be16_to_cpu(fc_hdr_tmp->fh_ox_id);
+ sid_tmp = sli4_sid_from_fc_hdr(fc_hdr_tmp);
+ if (oxid_tmp != oxid || sid_tmp != sid)
+ continue;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
+ "6321 NVMET Rcv ABTS oxid x%x from x%x "
+ "is waiting for a ctxp\n",
+ oxid, sid);
+
+ list_del_init(&nvmebuf->hbuf.list);
+ phba->sli4_hba.nvmet_io_wait_cnt--;
+ found = true;
+ break;
+ }
+ spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock,
+ iflag);
+
+ /* free buffer since already posted a new DMA buffer to RQ */
+ if (found) {
+ nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf);
+ /* Respond with BA_ACC accordingly */
+ lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1);
+ return 0;
+ }
+ }
+
+ /* check active list */
+ ctxp = lpfc_nvmet_get_ctx_for_oxid(phba, oxid, sid);
+ if (ctxp) {
+ xri = ctxp->ctxbuf->sglq->sli4_xritag;
+
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ ctxp->flag |= (LPFC_NVME_ABTS_RCV | LPFC_NVME_ABORT_OP);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+
+ lpfc_nvmeio_data(phba,
+ "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n",
+ xri, raw_smp_processor_id(), 0);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
+ "6322 NVMET Rcv ABTS:acc oxid x%x xri x%x "
+ "flag x%x state x%x\n",
+ ctxp->oxid, xri, ctxp->flag, ctxp->state);
+
+ if (ctxp->flag & LPFC_NVME_TNOTIFY) {
+ /* Notify the transport */
+ nvmet_fc_rcv_fcp_abort(phba->targetport,
+ &ctxp->hdlrctx.fcp_req);
+ } else {
+ cancel_work_sync(&ctxp->ctxbuf->defer_work);
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
+ lpfc_nvmet_defer_release(phba, ctxp);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
+ }
+ lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid,
+ ctxp->oxid);
+
+ lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1);
+ return 0;
+ }
+
+ lpfc_nvmeio_data(phba, "NVMET ABTS RCV: oxid x%x CPU %02x rjt %d\n",
+ oxid, raw_smp_processor_id(), 1);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6320 NVMET Rcv ABTS:rjt xri x%x\n", xri);
+ "6320 NVMET Rcv ABTS:rjt oxid x%x\n", oxid);
/* Respond with BA_RJT accordingly */
lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0);
@@ -1614,7 +1998,7 @@
static void
lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
struct lpfc_sli_ring *pring;
struct lpfc_iocbq *nvmewqeq;
@@ -1665,6 +2049,7 @@
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_sli_ring *pring;
struct lpfc_iocbq *nvmewqeq;
+ struct lpfc_async_xchg_ctx *ctxp;
unsigned long iflags;
int rc;
@@ -1678,13 +2063,26 @@
list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq,
list);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq);
+ ctxp = (struct lpfc_async_xchg_ctx *)nvmewqeq->context2;
+ rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq);
spin_lock_irqsave(&pring->ring_lock, iflags);
if (rc == -EBUSY) {
/* WQ was full again, so put it back on the list */
list_add(&nvmewqeq->list, &wq->wqfull_list);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
return;
+ }
+ if (rc == WQE_SUCCESS) {
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ if (ctxp->ts_cmd_nvme) {
+ if (ctxp->hdlrctx.fcp_req.op == NVMET_FCOP_RSP)
+ ctxp->ts_status_wqput = ktime_get_ns();
+ else
+ ctxp->ts_data_wqput = ktime_get_ns();
+ }
+#endif
+ } else {
+ WARN_ON(rc);
}
}
wq->q_flag &= ~HBA_NVMET_WQFULL;
@@ -1706,16 +2104,16 @@
return;
if (phba->targetport) {
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) {
- wq = phba->sli4_hba.nvme_wq[qidx];
+ for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) {
+ wq = phba->sli4_hba.hdwq[qidx].io_wq;
lpfc_nvmet_wqfull_flush(phba, wq, NULL);
}
tgtp->tport_unreg_cmp = &tport_unreg_cmp;
nvmet_fc_unregister_targetport(phba->targetport);
if (!wait_for_completion_timeout(&tport_unreg_cmp,
msecs_to_jiffies(LPFC_NVMET_WAIT_TMO)))
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
- "6179 Unreg targetport %p timeout "
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6179 Unreg targetport x%px timeout "
"reached.\n", phba->targetport);
lpfc_nvmet_cleanup_io_context(phba);
}
@@ -1724,104 +2122,169 @@
}
/**
- * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer
+ * lpfc_nvmet_handle_lsreq - Process an NVME LS request
* @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
- * @nvmebuf: pointer to lpfc nvme command HBQ data structure.
+ * @axchg: pointer to exchange context for the NVME LS request
*
- * This routine is used for processing the WQE associated with a unsolicited
- * event. It first determines whether there is an existing ndlp that matches
- * the DID from the unsolicited WQE. If not, it will create a new one with
- * the DID from the unsolicited WQE. The ELS command from the unsolicited
- * WQE is then used to invoke the proper routine and to set up proper state
- * of the discovery state machine.
- **/
-static void
-lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
- struct hbq_dmabuf *nvmebuf)
+ * This routine is used for processing an asychronously received NVME LS
+ * request. Any remaining validation is done and the LS is then forwarded
+ * to the nvmet-fc transport via nvmet_fc_rcv_ls_req().
+ *
+ * The calling sequence should be: nvmet_fc_rcv_ls_req() -> (processing)
+ * -> lpfc_nvmet_xmt_ls_rsp/cmp -> req->done.
+ * lpfc_nvme_xmt_ls_rsp_cmp should free the allocated axchg.
+ *
+ * Returns 0 if LS was handled and delivered to the transport
+ * Returns 1 if LS failed to be handled and should be dropped
+ */
+int
+lpfc_nvmet_handle_lsreq(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *axchg)
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
- struct lpfc_nvmet_tgtport *tgtp;
- struct fc_frame_header *fc_hdr;
- struct lpfc_nvmet_rcv_ctx *ctxp;
- uint32_t *payload;
- uint32_t size, oxid, sid, rc;
+ struct lpfc_nvmet_tgtport *tgtp = phba->targetport->private;
+ uint32_t *payload = axchg->payload;
+ int rc;
- fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
- oxid = be16_to_cpu(fc_hdr->fh_ox_id);
-
- if (!phba->targetport) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6154 LS Drop IO x%x\n", oxid);
- oxid = 0;
- size = 0;
- sid = 0;
- ctxp = NULL;
- goto dropit;
- }
-
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- payload = (uint32_t *)(nvmebuf->dbuf.virt);
- size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl);
- sid = sli4_sid_from_fc_hdr(fc_hdr);
-
- ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC);
- if (ctxp == NULL) {
- atomic_inc(&tgtp->rcv_ls_req_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6155 LS Drop IO x%x: Alloc\n",
- oxid);
-dropit:
- lpfc_nvmeio_data(phba, "NVMET LS DROP: "
- "xri x%x sz %d from %06x\n",
- oxid, size, sid);
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- return;
- }
- ctxp->phba = phba;
- ctxp->size = size;
- ctxp->oxid = oxid;
- ctxp->sid = sid;
- ctxp->wqeq = NULL;
- ctxp->state = LPFC_NVMET_STE_LS_RCV;
- ctxp->entry_cnt = 1;
- ctxp->rqb_buffer = (void *)nvmebuf;
-
- lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n",
- oxid, size, sid);
- /*
- * The calling sequence should be:
- * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done
- * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp.
- */
atomic_inc(&tgtp->rcv_ls_req_in);
- rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req,
- payload, size);
+
+ /*
+ * Driver passes the ndlp as the hosthandle argument allowing
+ * the transport to generate LS requests for any associateions
+ * that are created.
+ */
+ rc = nvmet_fc_rcv_ls_req(phba->targetport, axchg->ndlp, &axchg->ls_rsp,
+ axchg->payload, axchg->size);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
"6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x "
- "%08x %08x %08x\n", size, rc,
+ "%08x %08x %08x\n", axchg->size, rc,
*payload, *(payload+1), *(payload+2),
*(payload+3), *(payload+4), *(payload+5));
- if (rc == 0) {
+ if (!rc) {
atomic_inc(&tgtp->rcv_ls_req_out);
+ return 0;
+ }
+
+ atomic_inc(&tgtp->rcv_ls_req_drop);
+#endif
+ return 1;
+}
+
+static void
+lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
+{
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+ struct lpfc_async_xchg_ctx *ctxp = ctx_buf->context;
+ struct lpfc_hba *phba = ctxp->phba;
+ struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
+ struct lpfc_nvmet_tgtport *tgtp;
+ uint32_t *payload, qno;
+ uint32_t rc;
+ unsigned long iflags;
+
+ if (!nvmebuf) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6159 process_rcv_fcp_req, nvmebuf is NULL, "
+ "oxid: x%x flg: x%x state: x%x\n",
+ ctxp->oxid, ctxp->flag, ctxp->state);
+ spin_lock_irqsave(&ctxp->ctxlock, iflags);
+ lpfc_nvmet_defer_release(phba, ctxp);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid,
+ ctxp->oxid);
return;
}
- lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n",
- oxid, size, sid);
+ if (ctxp->flag & LPFC_NVME_ABTS_RCV) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6324 IO oxid x%x aborted\n",
+ ctxp->oxid);
+ return;
+ }
- atomic_inc(&tgtp->rcv_ls_req_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n",
- ctxp->oxid, rc);
+ payload = (uint32_t *)(nvmebuf->dbuf.virt);
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ ctxp->flag |= LPFC_NVME_TNOTIFY;
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ if (ctxp->ts_isr_cmd)
+ ctxp->ts_cmd_nvme = ktime_get_ns();
+#endif
+ /*
+ * The calling sequence should be:
+ * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done
+ * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp.
+ * When we return from nvmet_fc_rcv_fcp_req, all relevant info
+ * the NVME command / FC header is stored.
+ * A buffer has already been reposted for this IO, so just free
+ * the nvmebuf.
+ */
+ rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->hdlrctx.fcp_req,
+ payload, ctxp->size);
+ /* Process FCP command */
+ if (rc == 0) {
+ atomic_inc(&tgtp->rcv_fcp_cmd_out);
+ spin_lock_irqsave(&ctxp->ctxlock, iflags);
+ if ((ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) ||
+ (nvmebuf != ctxp->rqb_buffer)) {
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ return;
+ }
+ ctxp->rqb_buffer = NULL;
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
+ return;
+ }
- /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
+ /* Processing of FCP command is deferred */
+ if (rc == -EOVERFLOW) {
+ lpfc_nvmeio_data(phba, "NVMET RCV BUSY: xri x%x sz %d "
+ "from %06x\n",
+ ctxp->oxid, ctxp->size, ctxp->sid);
+ atomic_inc(&tgtp->rcv_fcp_cmd_out);
+ atomic_inc(&tgtp->defer_fod);
+ spin_lock_irqsave(&ctxp->ctxlock, iflags);
+ if (ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) {
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ return;
+ }
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ /*
+ * Post a replacement DMA buffer to RQ and defer
+ * freeing rcv buffer till .defer_rcv callback
+ */
+ qno = nvmebuf->idx;
+ lpfc_post_rq_buffer(
+ phba, phba->sli4_hba.nvmet_mrq_hdr[qno],
+ phba->sli4_hba.nvmet_mrq_data[qno], 1, qno);
+ return;
+ }
+ ctxp->flag &= ~LPFC_NVME_TNOTIFY;
+ atomic_inc(&tgtp->rcv_fcp_cmd_drop);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
+ ctxp->oxid, rc,
+ atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_out),
+ atomic_read(&tgtp->xmt_fcp_release));
+ lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n",
+ ctxp->oxid, ctxp->size, ctxp->sid);
+ spin_lock_irqsave(&ctxp->ctxlock, iflags);
+ lpfc_nvmet_defer_release(phba, ctxp);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
+ lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid);
+#endif
+}
- atomic_inc(&tgtp->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid);
+static void
+lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *work)
+{
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+ struct lpfc_nvmet_ctxbuf *ctx_buf =
+ container_of(work, struct lpfc_nvmet_ctxbuf, defer_work);
+
+ lpfc_nvmet_process_rcv_fcp_req(ctx_buf);
#endif
}
@@ -1849,7 +2312,7 @@
else
get_infop = current_infop->nvmet_ctx_next_cpu;
- for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) {
+ for (i = 0; i < phba->sli4_hba.num_possible_cpu; i++) {
if (get_infop == current_infop) {
get_infop = get_infop->nvmet_ctx_next_cpu;
continue;
@@ -1887,6 +2350,8 @@
* @phba: pointer to lpfc hba data structure.
* @idx: relative index of MRQ vector
* @nvmebuf: pointer to lpfc nvme command HBQ data structure.
+ * @isr_timestamp: in jiffies.
+ * @cqflag: cq processing information regarding workload.
*
* This routine is used for processing the WQE associated with a unsolicited
* event. It first determines whether there is an existing ndlp that matches
@@ -1899,33 +2364,28 @@
lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
uint32_t idx,
struct rqb_dmabuf *nvmebuf,
- uint64_t isr_timestamp)
+ uint64_t isr_timestamp,
+ uint8_t cqflag)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct lpfc_nvmet_ctxbuf *ctx_buf;
struct lpfc_nvmet_ctx_info *current_infop;
- uint32_t *payload;
- uint32_t size, oxid, sid, rc, qno;
+ uint32_t size, oxid, sid, qno;
unsigned long iflag;
int current_cpu;
-#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint32_t id;
-#endif
if (!IS_ENABLED(CONFIG_NVME_TARGET_FC))
return;
ctx_buf = NULL;
if (!nvmebuf || !phba->targetport) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6157 NVMET FCP Drop IO\n");
- oxid = 0;
- size = 0;
- sid = 0;
- ctxp = NULL;
- goto dropit;
+ if (nvmebuf)
+ lpfc_rq_buf_free(phba, &nvmebuf->hbuf);
+ return;
}
/*
@@ -1935,7 +2395,7 @@
* be empty, thus it would need to be replenished with the
* context list from another CPU for this MRQ.
*/
- current_cpu = smp_processor_id();
+ current_cpu = raw_smp_processor_id();
current_infop = lpfc_get_ctx_list(phba, current_cpu, idx);
spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag);
if (current_infop->nvmet_ctx_list_cnt) {
@@ -1952,15 +2412,18 @@
size = nvmebuf->bytes_recv;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) {
- id = smp_processor_id();
- if (id < LPFC_CHECK_CPU_CNT)
- phba->cpucheck_rcv_io[id]++;
+ if (phba->hdwqstat_on & LPFC_CHECK_NVMET_IO) {
+ this_cpu_inc(phba->sli4_hba.c_stat->rcv_io);
+ if (idx != current_cpu)
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
+ "6703 CPU Check rcv: "
+ "cpu %d expect %d\n",
+ current_cpu, idx);
}
#endif
lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n",
- oxid, size, smp_processor_id());
+ oxid, size, raw_smp_processor_id());
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -1984,138 +2447,68 @@
return;
}
- payload = (uint32_t *)(nvmebuf->dbuf.virt);
sid = sli4_sid_from_fc_hdr(fc_hdr);
- ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
- if (ctxp->state != LPFC_NVMET_STE_FREE) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ ctxp = (struct lpfc_async_xchg_ctx *)ctx_buf->context;
+ spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag);
+ list_add_tail(&ctxp->list, &phba->sli4_hba.t_active_ctx_list);
+ spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag);
+ if (ctxp->state != LPFC_NVME_STE_FREE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6414 NVMET Context corrupt %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
}
ctxp->wqeq = NULL;
- ctxp->txrdy = NULL;
ctxp->offset = 0;
ctxp->phba = phba;
ctxp->size = size;
ctxp->oxid = oxid;
ctxp->sid = sid;
ctxp->idx = idx;
- ctxp->state = LPFC_NVMET_STE_RCV;
+ ctxp->state = LPFC_NVME_STE_RCV;
ctxp->entry_cnt = 1;
ctxp->flag = 0;
ctxp->ctxbuf = ctx_buf;
ctxp->rqb_buffer = (void *)nvmebuf;
+ ctxp->hdwq = NULL;
spin_lock_init(&ctxp->ctxlock);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- if (isr_timestamp) {
+ if (isr_timestamp)
ctxp->ts_isr_cmd = isr_timestamp;
- ctxp->ts_cmd_nvme = ktime_get_ns();
- ctxp->ts_nvme_data = 0;
- ctxp->ts_data_wqput = 0;
- ctxp->ts_isr_data = 0;
- ctxp->ts_data_nvme = 0;
- ctxp->ts_nvme_status = 0;
- ctxp->ts_status_wqput = 0;
- ctxp->ts_isr_status = 0;
- ctxp->ts_status_nvme = 0;
- } else {
- ctxp->ts_cmd_nvme = 0;
- }
+ ctxp->ts_cmd_nvme = 0;
+ ctxp->ts_nvme_data = 0;
+ ctxp->ts_data_wqput = 0;
+ ctxp->ts_isr_data = 0;
+ ctxp->ts_data_nvme = 0;
+ ctxp->ts_nvme_status = 0;
+ ctxp->ts_status_wqput = 0;
+ ctxp->ts_isr_status = 0;
+ ctxp->ts_status_nvme = 0;
#endif
atomic_inc(&tgtp->rcv_fcp_cmd_in);
- /*
- * The calling sequence should be:
- * nvmet_fc_rcv_fcp_req -> lpfc_nvmet_xmt_fcp_op/cmp -> req->done
- * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp.
- * When we return from nvmet_fc_rcv_fcp_req, all relevant info in
- * the NVME command / FC header is stored, so we are free to repost
- * the buffer.
- */
- rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req,
- payload, size);
-
- /* Process FCP command */
- if (rc == 0) {
- ctxp->rqb_buffer = NULL;
- atomic_inc(&tgtp->rcv_fcp_cmd_out);
- lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
+ /* check for cq processing load */
+ if (!cqflag) {
+ lpfc_nvmet_process_rcv_fcp_req(ctx_buf);
return;
}
- /* Processing of FCP command is deferred */
- if (rc == -EOVERFLOW) {
- /*
- * Post a brand new DMA buffer to RQ and defer
- * freeing rcv buffer till .defer_rcv callback
- */
- qno = nvmebuf->idx;
- lpfc_post_rq_buffer(
- phba, phba->sli4_hba.nvmet_mrq_hdr[qno],
- phba->sli4_hba.nvmet_mrq_data[qno], 1, qno);
+ if (!queue_work(phba->wq, &ctx_buf->defer_work)) {
+ atomic_inc(&tgtp->rcv_fcp_cmd_drop);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6325 Unable to queue work for oxid x%x. "
+ "FCP Drop IO [x%x x%x x%x]\n",
+ ctxp->oxid,
+ atomic_read(&tgtp->rcv_fcp_cmd_in),
+ atomic_read(&tgtp->rcv_fcp_cmd_out),
+ atomic_read(&tgtp->xmt_fcp_release));
- lpfc_nvmeio_data(phba,
- "NVMET RCV BUSY: xri x%x sz %d from %06x\n",
- oxid, size, sid);
- atomic_inc(&tgtp->rcv_fcp_cmd_out);
- atomic_inc(&tgtp->defer_fod);
- return;
- }
- ctxp->rqb_buffer = nvmebuf;
-
- atomic_inc(&tgtp->rcv_fcp_cmd_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
- ctxp->oxid, rc,
- atomic_read(&tgtp->rcv_fcp_cmd_in),
- atomic_read(&tgtp->rcv_fcp_cmd_out),
- atomic_read(&tgtp->xmt_fcp_release));
-dropit:
- lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n",
- oxid, size, sid);
- if (oxid) {
+ spin_lock_irqsave(&ctxp->ctxlock, iflag);
lpfc_nvmet_defer_release(phba, ctxp);
+ spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid);
- lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
- return;
}
-
- if (ctx_buf)
- lpfc_nvmet_ctxbuf_post(phba, ctx_buf);
-
- if (nvmebuf)
- lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */
-}
-
-/**
- * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport
- * @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
- * @nvmebuf: pointer to received nvme data structure.
- *
- * This routine is used to process an unsolicited event received from a SLI
- * (Service Level Interface) ring. The actual processing of the data buffer
- * associated with the unsolicited event is done by invoking the routine
- * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the
- * SLI RQ on which the unsolicited event was received.
- **/
-void
-lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
- struct lpfc_iocbq *piocb)
-{
- struct lpfc_dmabuf *d_buf;
- struct hbq_dmabuf *nvmebuf;
-
- d_buf = piocb->context2;
- nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
-
- if (phba->nvmet_support == 0) {
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- return;
- }
- lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf);
}
/**
@@ -2123,6 +2516,8 @@
* @phba: pointer to lpfc hba data structure.
* @idx: relative index of MRQ vector
* @nvmebuf: pointer to received nvme data structure.
+ * @isr_timestamp: in jiffies.
+ * @cqflag: cq processing information regarding workload.
*
* This routine is used to process an unsolicited event received from a SLI
* (Service Level Interface) ring. The actual processing of the data buffer
@@ -2134,14 +2529,19 @@
lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
uint32_t idx,
struct rqb_dmabuf *nvmebuf,
- uint64_t isr_timestamp)
+ uint64_t isr_timestamp,
+ uint8_t cqflag)
{
+ if (!nvmebuf) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "3167 NVMET FCP Drop IO\n");
+ return;
+ }
if (phba->nvmet_support == 0) {
lpfc_rq_buf_free(phba, &nvmebuf->hbuf);
return;
}
- lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf,
- isr_timestamp);
+ lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, isr_timestamp, cqflag);
}
/**
@@ -2171,7 +2571,7 @@
**/
static struct lpfc_iocbq *
lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
dma_addr_t rspbuf, uint16_t rspsize)
{
struct lpfc_nodelist *ndlp;
@@ -2179,7 +2579,7 @@
union lpfc_wqe128 *wqe;
if (!lpfc_is_link_up(phba)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6104 NVMET prep LS wqe: link err: "
"NPORT x%x oxid:x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2189,7 +2589,7 @@
/* Allocate buffer for command wqe */
nvmewqe = lpfc_sli_get_iocbq(phba);
if (nvmewqe == NULL) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6105 NVMET prep LS wqe: No WQE: "
"NPORT x%x oxid x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2200,7 +2600,7 @@
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6106 NVMET prep LS wqe: No ndlp: "
"NPORT x%x oxid x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2293,9 +2693,9 @@
static struct lpfc_iocbq *
lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
- struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req;
+ struct nvmefc_tgt_fcp_req *rsp = &ctxp->hdlrctx.fcp_req;
struct lpfc_nvmet_tgtport *tgtp;
struct sli4_sge *sgl;
struct lpfc_nodelist *ndlp;
@@ -2303,14 +2703,13 @@
struct scatterlist *sgel;
union lpfc_wqe128 *wqe;
struct ulp_bde64 *bde;
- uint32_t *txrdy;
dma_addr_t physaddr;
- int i, cnt;
+ int i, cnt, nsegs;
int do_pbde;
int xc = 1;
if (!lpfc_is_link_up(phba)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6107 NVMET prep FCP wqe: link err:"
"NPORT x%x oxid x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2321,7 +2720,7 @@
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6108 NVMET prep FCP wqe: no ndlp: "
"NPORT x%x oxid x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2329,13 +2728,14 @@
}
if (rsp->sg_cnt > lpfc_tgttemplate.max_sgl_segments) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6109 NVMET prep FCP wqe: seg cnt err: "
"NPORT x%x oxid x%x ste %d cnt %d\n",
ctxp->sid, ctxp->oxid, ctxp->state,
phba->cfg_nvme_seg_cnt);
return NULL;
}
+ nsegs = rsp->sg_cnt;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
nvmewqe = ctxp->wqeq;
@@ -2343,7 +2743,7 @@
/* Allocate buffer for command wqe */
nvmewqe = ctxp->ctxbuf->iocbq;
if (nvmewqe == NULL) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6110 NVMET prep FCP wqe: No "
"WQE: NPORT x%x oxid x%x ste %d\n",
ctxp->sid, ctxp->oxid, ctxp->state);
@@ -2356,12 +2756,12 @@
}
/* Sanity check */
- if (((ctxp->state == LPFC_NVMET_STE_RCV) &&
+ if (((ctxp->state == LPFC_NVME_STE_RCV) &&
(ctxp->entry_cnt == 1)) ||
- (ctxp->state == LPFC_NVMET_STE_DATA)) {
+ (ctxp->state == LPFC_NVME_STE_DATA)) {
wqe = &nvmewqe->wqe;
} else {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6111 Wrong state NVMET FCP: %d cnt %d\n",
ctxp->state, ctxp->entry_cnt);
return NULL;
@@ -2465,23 +2865,11 @@
&lpfc_treceive_cmd_template.words[3],
sizeof(uint32_t) * 9);
- /* Words 0 - 2 : The first sg segment */
- txrdy = dma_pool_alloc(phba->txrdy_payload_pool,
- GFP_KERNEL, &physaddr);
- if (!txrdy) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6041 Bad txrdy buffer: oxid x%x\n",
- ctxp->oxid);
- return NULL;
- }
- ctxp->txrdy = txrdy;
- ctxp->txrdy_phys = physaddr;
- wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
- wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN;
- wqe->fcp_treceive.bde.addrLow =
- cpu_to_le32(putPaddrLow(physaddr));
- wqe->fcp_treceive.bde.addrHigh =
- cpu_to_le32(putPaddrHigh(physaddr));
+ /* Words 0 - 2 : First SGE is skipped, set invalid BDE type */
+ wqe->fcp_treceive.bde.tus.f.bdeFlags = LPFC_SGE_TYPE_SKIP;
+ wqe->fcp_treceive.bde.tus.f.bdeSize = 0;
+ wqe->fcp_treceive.bde.addrLow = 0;
+ wqe->fcp_treceive.bde.addrHigh = 0;
/* Word 4 */
wqe->fcp_treceive.relative_offset = ctxp->offset;
@@ -2516,17 +2904,13 @@
/* Word 12 */
wqe->fcp_tsend.fcp_data_len = rsp->transfer_length;
- /* Setup 1 TXRDY and 1 SKIP SGE */
- txrdy[0] = 0;
- txrdy[1] = cpu_to_be32(rsp->transfer_length);
- txrdy[2] = 0;
-
- sgl->addr_hi = putPaddrHigh(physaddr);
- sgl->addr_lo = putPaddrLow(physaddr);
+ /* Setup 2 SKIP SGEs */
+ sgl->addr_hi = 0;
+ sgl->addr_lo = 0;
sgl->word2 = 0;
- bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA);
+ bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN);
+ sgl->sge_len = 0;
sgl++;
sgl->addr_hi = 0;
sgl->addr_lo = 0;
@@ -2591,7 +2975,7 @@
wqe->fcp_trsp.rsvd_12_15[0] = 0;
/* Use rspbuf, NOT sg list */
- rsp->sg_cnt = 0;
+ nsegs = 0;
sgl->word2 = 0;
atomic_inc(&tgtp->xmt_fcp_rsp);
break;
@@ -2608,8 +2992,7 @@
nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT;
nvmewqe->context1 = ndlp;
- for (i = 0; i < rsp->sg_cnt; i++) {
- sgel = &rsp->sg[i];
+ for_each_sg(rsp->sg, sgel, nsegs, i) {
physaddr = sg_dma_address(sgel);
cnt = sg_dma_len(sgel);
sgl->addr_hi = putPaddrHigh(physaddr);
@@ -2638,7 +3021,7 @@
sgl++;
ctxp->offset += cnt;
}
- ctxp->state = LPFC_NVMET_STE_DATA;
+ ctxp->state = LPFC_NVME_STE_DATA;
ctxp->entry_cnt++;
return nvmewqe;
}
@@ -2657,37 +3040,38 @@
lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
- uint32_t status, result;
+ uint32_t result;
unsigned long flags;
bool released = false;
ctxp = cmdwqe->context2;
- status = bf_get(lpfc_wcqe_c_status, wcqe);
result = wcqe->parameter;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- if (ctxp->flag & LPFC_NVMET_ABORT_OP)
+ if (ctxp->flag & LPFC_NVME_ABORT_OP)
atomic_inc(&tgtp->xmt_fcp_abort_cmpl);
- ctxp->state = LPFC_NVMET_STE_DONE;
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ ctxp->state = LPFC_NVME_STE_DONE;
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- spin_lock_irqsave(&ctxp->ctxlock, flags);
- if ((ctxp->flag & LPFC_NVMET_CTX_RLS) &&
- !(ctxp->flag & LPFC_NVMET_XBUSY)) {
- list_del(&ctxp->list);
+ if ((ctxp->flag & LPFC_NVME_CTX_RLS) &&
+ !(ctxp->flag & LPFC_NVME_XBUSY)) {
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
+ list_del_init(&ctxp->list);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6165 ABORT cmpl: xri x%x flg x%x (%d) "
+ "6165 ABORT cmpl: oxid x%x flg x%x (%d) "
"WCQE: %08x %08x %08x %08x\n",
ctxp->oxid, ctxp->flag, released,
wcqe->word0, wcqe->total_data_placed,
@@ -2706,7 +3090,7 @@
lpfc_sli_release_iocbq(phba, cmdwqe);
/* Since iaab/iaar are NOT set, there is no work left.
- * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted
+ * For LPFC_NVME_XBUSY, lpfc_sli4_nvmet_xri_aborted
* should have been called already.
*/
}
@@ -2725,14 +3109,13 @@
lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
unsigned long flags;
- uint32_t status, result;
+ uint32_t result;
bool released = false;
ctxp = cmdwqe->context2;
- status = bf_get(lpfc_wcqe_c_status, wcqe);
result = wcqe->parameter;
if (!ctxp) {
@@ -2745,12 +3128,13 @@
}
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- if (ctxp->flag & LPFC_NVMET_ABORT_OP)
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ if (ctxp->flag & LPFC_NVME_ABORT_OP)
atomic_inc(&tgtp->xmt_fcp_abort_cmpl);
/* Sanity check */
- if (ctxp->state != LPFC_NVMET_STE_ABORT) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ if (ctxp->state != LPFC_NVME_STE_ABORT) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6112 ABTS Wrong state:%d oxid x%x\n",
ctxp->state, ctxp->oxid);
}
@@ -2758,19 +3142,20 @@
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- ctxp->state = LPFC_NVMET_STE_DONE;
- spin_lock_irqsave(&ctxp->ctxlock, flags);
- if ((ctxp->flag & LPFC_NVMET_CTX_RLS) &&
- !(ctxp->flag & LPFC_NVMET_XBUSY)) {
- list_del(&ctxp->list);
+ ctxp->state = LPFC_NVME_STE_DONE;
+ if ((ctxp->flag & LPFC_NVME_CTX_RLS) &&
+ !(ctxp->flag & LPFC_NVME_XBUSY)) {
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
+ list_del_init(&ctxp->list);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6316 ABTS cmpl xri x%x flg x%x (%x) "
+ "6316 ABTS cmpl oxid x%x flg x%x (%x) "
"WCQE: %08x %08x %08x %08x\n",
ctxp->oxid, ctxp->flag, released,
wcqe->word0, wcqe->total_data_placed,
@@ -2786,7 +3171,7 @@
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
/* Since iaab/iaar are NOT set, there is no work left.
- * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted
+ * For LPFC_NVME_XBUSY, lpfc_sli4_nvmet_xri_aborted
* should have been called already.
*/
}
@@ -2805,24 +3190,25 @@
lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
- uint32_t status, result;
+ uint32_t result;
ctxp = cmdwqe->context2;
- status = bf_get(lpfc_wcqe_c_status, wcqe);
result = wcqe->parameter;
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- atomic_inc(&tgtp->xmt_ls_abort_cmpl);
+ if (phba->nvmet_support) {
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_inc(&tgtp->xmt_ls_abort_cmpl);
+ }
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
- "6083 Abort cmpl: ctx %p WCQE:%08x %08x %08x %08x\n",
+ "6083 Abort cmpl: ctx x%px WCQE:%08x %08x %08x %08x\n",
ctxp, wcqe->word0, wcqe->total_data_placed,
result, wcqe->word3);
if (!ctxp) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6415 NVMET LS Abort No ctx: WCQE: "
"%08x %08x %08x %08x\n",
wcqe->word0, wcqe->total_data_placed,
@@ -2832,8 +3218,8 @@
return;
}
- if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ if (ctxp->state != LPFC_NVME_STE_LS_ABORT) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6416 NVMET LS abort cmpl state mismatch: "
"oxid x%x: %d %d\n",
ctxp->oxid, ctxp->state, ctxp->entry_cnt);
@@ -2847,10 +3233,10 @@
static int
lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
- struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_tgtport *tgtp = NULL;
struct lpfc_iocbq *abts_wqeq;
union lpfc_wqe128 *wqe_abts;
struct lpfc_nodelist *ndlp;
@@ -2859,14 +3245,16 @@
"6067 ABTS: sid %x xri x%x/x%x\n",
sid, xri, ctxp->wqeq->sli4_xritag);
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ if (phba->nvmet_support && phba->targetport)
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
ndlp = lpfc_findnode_did(phba->pport, sid);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
- atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_rsp_error);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6134 Drop ABTS - wrong NDLP state x%x.\n",
(ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE);
@@ -2941,14 +3329,14 @@
static int
lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
struct lpfc_nvmet_tgtport *tgtp;
struct lpfc_iocbq *abts_wqeq;
- union lpfc_wqe128 *abts_wqe;
struct lpfc_nodelist *ndlp;
unsigned long flags;
+ u8 opt;
int rc;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -2962,29 +3350,34 @@
((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6160 Drop ABORT - wrong NDLP state x%x.\n",
(ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE);
/* No failure to an ABTS request. */
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
/* Issue ABTS for this WQE based on iotag */
ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba);
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
if (!ctxp->abort_wqeq) {
atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6161 ABORT failed: No wqeqs: "
"xri: x%x\n", ctxp->oxid);
/* No failure to an ABTS request. */
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
abts_wqeq = ctxp->abort_wqeq;
- abts_wqe = &abts_wqeq->wqe;
- ctxp->state = LPFC_NVMET_STE_ABORT;
+ ctxp->state = LPFC_NVME_STE_ABORT;
+ opt = (ctxp->flag & LPFC_NVME_ABTS_RCV) ? INHIBIT_ABORT : 0;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
/* Announce entry to new IO submit field. */
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
@@ -2997,15 +3390,17 @@
*/
spin_lock_irqsave(&phba->hbalock, flags);
/* driver queued commands are in process of being flushed */
- if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) {
+ if (phba->hba_flag & HBA_IOQ_FLUSH) {
spin_unlock_irqrestore(&phba->hbalock, flags);
atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6163 Driver in reset cleanup - flushing "
"NVME Req now. hba_flag x%x oxid x%x\n",
phba->hba_flag, ctxp->oxid);
lpfc_sli_release_iocbq(phba, abts_wqeq);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
@@ -3013,56 +3408,33 @@
if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) {
spin_unlock_irqrestore(&phba->hbalock, flags);
atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6164 Outstanding NVME I/O Abort Request "
"still pending on oxid x%x\n",
ctxp->oxid);
lpfc_sli_release_iocbq(phba, abts_wqeq);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
/* Ready - mark outstanding as aborted by driver. */
abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED;
- /* WQEs are reused. Clear stale data and set key fields to
- * zero like ia, iaab, iaar, xri_tag, and ctxt_tag.
- */
- memset(abts_wqe, 0, sizeof(union lpfc_wqe));
-
- /* word 3 */
- bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);
-
- /* word 7 */
- bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0);
- bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
-
- /* word 8 - tell the FW to abort the IO associated with this
- * outstanding exchange ID.
- */
- abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag;
-
- /* word 9 - this is the iotag for the abts_wqe completion. */
- bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com,
- abts_wqeq->iotag);
-
- /* word 10 */
- bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1);
- bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE);
-
- /* word 11 */
- bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND);
- bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1);
- bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT);
+ lpfc_nvme_prep_abort_wqe(abts_wqeq, ctxp->wqeq->sli4_xritag, opt);
/* ABTS WQE must go to the same WQ as the WQE to be aborted */
abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx;
abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp;
- abts_wqeq->iocb_cmpl = 0;
+ abts_wqeq->iocb_cmpl = NULL;
abts_wqeq->iocb_flag |= LPFC_IO_NVME;
abts_wqeq->context2 = ctxp;
abts_wqeq->vport = phba->pport;
- rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq);
+ if (!ctxp->hdwq)
+ ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx];
+
+ rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
spin_unlock_irqrestore(&phba->hbalock, flags);
if (rc == WQE_SUCCESS) {
atomic_inc(&tgtp->xmt_abort_sol);
@@ -3070,24 +3442,26 @@
}
atomic_inc(&tgtp->xmt_abort_rsp_error);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ spin_lock_irqsave(&ctxp->ctxlock, flags);
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
+ spin_unlock_irqrestore(&ctxp->ctxlock, flags);
lpfc_sli_release_iocbq(phba, abts_wqeq);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6166 Failed ABORT issue_wqe with status x%x "
"for oxid x%x.\n",
rc, ctxp->oxid);
return 1;
}
-
static int
lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
struct lpfc_nvmet_tgtport *tgtp;
struct lpfc_iocbq *abts_wqeq;
unsigned long flags;
+ bool released = false;
int rc;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -3096,14 +3470,14 @@
ctxp->wqeq->hba_wqidx = 0;
}
- if (ctxp->state == LPFC_NVMET_STE_FREE) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ if (ctxp->state == LPFC_NVME_STE_FREE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6417 NVMET ABORT ctx freed %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
rc = WQE_BUSY;
goto aerr;
}
- ctxp->state = LPFC_NVMET_STE_ABORT;
+ ctxp->state = LPFC_NVME_STE_ABORT;
ctxp->entry_cnt++;
rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri);
if (rc == 0)
@@ -3114,7 +3488,10 @@
abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp;
abts_wqeq->iocb_cmpl = NULL;
abts_wqeq->iocb_flag |= LPFC_IO_NVMET;
- rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq);
+ if (!ctxp->hdwq)
+ ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx];
+
+ rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
spin_unlock_irqrestore(&phba->hbalock, flags);
if (rc == WQE_SUCCESS) {
return 0;
@@ -3122,48 +3499,63 @@
aerr:
spin_lock_irqsave(&ctxp->ctxlock, flags);
- if (ctxp->flag & LPFC_NVMET_CTX_RLS)
- list_del(&ctxp->list);
- ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS);
+ if (ctxp->flag & LPFC_NVME_CTX_RLS) {
+ spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
+ list_del_init(&ctxp->list);
+ spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
+ released = true;
+ }
+ ctxp->flag &= ~(LPFC_NVME_ABORT_OP | LPFC_NVME_CTX_RLS);
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp_error);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
- "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n",
- ctxp->oxid, rc);
- lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
+ "6135 Failed to Issue ABTS for oxid x%x. Status x%x "
+ "(%x)\n",
+ ctxp->oxid, rc, released);
+ if (released)
+ lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
return 1;
}
-static int
-lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+/**
+ * lpfc_nvme_unsol_ls_issue_abort - issue ABTS on an exchange received
+ * via async frame receive where the frame is not handled.
+ * @phba: pointer to adapter structure
+ * @ctxp: pointer to the asynchronously received received sequence
+ * @sid: address of the remote port to send the ABTS to
+ * @xri: oxid value to for the ABTS (other side's exchange id).
+ **/
+int
+lpfc_nvme_unsol_ls_issue_abort(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
- struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_tgtport *tgtp = NULL;
struct lpfc_iocbq *abts_wqeq;
- union lpfc_wqe128 *wqe_abts;
unsigned long flags;
int rc;
- if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) ||
- (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) {
- ctxp->state = LPFC_NVMET_STE_LS_ABORT;
+ if ((ctxp->state == LPFC_NVME_STE_LS_RCV && ctxp->entry_cnt == 1) ||
+ (ctxp->state == LPFC_NVME_STE_LS_RSP && ctxp->entry_cnt == 2)) {
+ ctxp->state = LPFC_NVME_STE_LS_ABORT;
ctxp->entry_cnt++;
} else {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6418 NVMET LS abort state mismatch "
"IO x%x: %d %d\n",
ctxp->oxid, ctxp->state, ctxp->entry_cnt);
- ctxp->state = LPFC_NVMET_STE_LS_ABORT;
+ ctxp->state = LPFC_NVME_STE_LS_ABORT;
}
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ if (phba->nvmet_support && phba->targetport)
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+
if (!ctxp->wqeq) {
/* Issue ABTS for this WQE based on iotag */
ctxp->wqeq = lpfc_sli_get_iocbq(phba);
if (!ctxp->wqeq) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6068 Abort failed: No wqeqs: "
"xri: x%x\n", xri);
/* No failure to an ABTS request. */
@@ -3172,7 +3564,6 @@
}
}
abts_wqeq = ctxp->wqeq;
- wqe_abts = &abts_wqeq->wqe;
if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) {
rc = WQE_BUSY;
@@ -3181,21 +3572,49 @@
spin_lock_irqsave(&phba->hbalock, flags);
abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp;
- abts_wqeq->iocb_cmpl = 0;
+ abts_wqeq->iocb_cmpl = NULL;
abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS;
- rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, abts_wqeq);
+ rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
spin_unlock_irqrestore(&phba->hbalock, flags);
if (rc == WQE_SUCCESS) {
- atomic_inc(&tgtp->xmt_abort_unsol);
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_unsol);
return 0;
}
out:
- atomic_inc(&tgtp->xmt_abort_rsp_error);
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_rsp_error);
abts_wqeq->context2 = NULL;
abts_wqeq->context3 = NULL;
lpfc_sli_release_iocbq(phba, abts_wqeq);
- kfree(ctxp);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
+ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"6056 Failed to Issue ABTS. Status x%x\n", rc);
- return 0;
+ return 1;
+}
+
+/**
+ * lpfc_nvmet_invalidate_host
+ *
+ * @phba - pointer to the driver instance bound to an adapter port.
+ * @ndlp - pointer to an lpfc_nodelist type
+ *
+ * This routine upcalls the nvmet transport to invalidate an NVME
+ * host to which this target instance had active connections.
+ */
+void
+lpfc_nvmet_invalidate_host(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+ struct lpfc_nvmet_tgtport *tgtp;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_NVME_ABTS,
+ "6203 Invalidating hosthandle x%px\n",
+ ndlp);
+
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_set(&tgtp->state, LPFC_NVMET_INV_HOST_ACTIVE);
+
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+ /* Need to get the nvmet_fc_target_port pointer here.*/
+ nvmet_fc_invalidate_host(phba->targetport, ndlp);
+#endif
}
--
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