1d613b6a7SJames Smart /******************************************************************* 2d613b6a7SJames Smart * This file is part of the Emulex Linux Device Driver for * 3d613b6a7SJames Smart * Fibre Channsel Host Bus Adapters. * 4128bddacSJames Smart * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * 54ae2ebdeSJames Smart * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6d613b6a7SJames Smart * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7d613b6a7SJames Smart * EMULEX and SLI are trademarks of Emulex. * 8d080abe0SJames Smart * www.broadcom.com * 9d613b6a7SJames Smart * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10d613b6a7SJames Smart * * 11d613b6a7SJames Smart * This program is free software; you can redistribute it and/or * 12d613b6a7SJames Smart * modify it under the terms of version 2 of the GNU General * 13d613b6a7SJames Smart * Public License as published by the Free Software Foundation. * 14d613b6a7SJames Smart * This program is distributed in the hope that it will be useful. * 15d613b6a7SJames Smart * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16d613b6a7SJames Smart * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17d613b6a7SJames Smart * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18d613b6a7SJames Smart * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19d613b6a7SJames Smart * TO BE LEGALLY INVALID. See the GNU General Public License for * 20d613b6a7SJames Smart * more details, a copy of which can be found in the file COPYING * 21d613b6a7SJames Smart * included with this package. * 22d613b6a7SJames Smart ********************************************************************/ 23d613b6a7SJames Smart #include <linux/pci.h> 24d613b6a7SJames Smart #include <linux/slab.h> 25d613b6a7SJames Smart #include <linux/interrupt.h> 26d613b6a7SJames Smart #include <linux/delay.h> 27d613b6a7SJames Smart #include <asm/unaligned.h> 28d613b6a7SJames Smart #include <linux/crc-t10dif.h> 29d613b6a7SJames Smart #include <net/checksum.h> 30d613b6a7SJames Smart 31d613b6a7SJames Smart #include <scsi/scsi.h> 32d613b6a7SJames Smart #include <scsi/scsi_device.h> 33d613b6a7SJames Smart #include <scsi/scsi_eh.h> 34d613b6a7SJames Smart #include <scsi/scsi_host.h> 35d613b6a7SJames Smart #include <scsi/scsi_tcq.h> 36d613b6a7SJames Smart #include <scsi/scsi_transport_fc.h> 37d613b6a7SJames Smart #include <scsi/fc/fc_fs.h> 38d613b6a7SJames Smart 398d731d1aSJames Smart #include <linux/nvme.h> 40d613b6a7SJames Smart #include <linux/nvme-fc-driver.h> 41cbc5de1bSJames Smart #include <linux/nvme-fc.h> 42d613b6a7SJames Smart 43d613b6a7SJames Smart #include "lpfc_version.h" 44d613b6a7SJames Smart #include "lpfc_hw4.h" 45d613b6a7SJames Smart #include "lpfc_hw.h" 46d613b6a7SJames Smart #include "lpfc_sli.h" 47d613b6a7SJames Smart #include "lpfc_sli4.h" 48d613b6a7SJames Smart #include "lpfc_nl.h" 49d613b6a7SJames Smart #include "lpfc_disc.h" 50d613b6a7SJames Smart #include "lpfc.h" 51d613b6a7SJames Smart #include "lpfc_scsi.h" 52d613b6a7SJames Smart #include "lpfc_nvme.h" 53d613b6a7SJames Smart #include "lpfc_nvmet.h" 54d613b6a7SJames Smart #include "lpfc_logmsg.h" 55d613b6a7SJames Smart #include "lpfc_crtn.h" 56d613b6a7SJames Smart #include "lpfc_vport.h" 572b65e182SJames Smart #include "lpfc_debugfs.h" 58d613b6a7SJames Smart 59d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *, 60d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 61d613b6a7SJames Smart dma_addr_t rspbuf, 62d613b6a7SJames Smart uint16_t rspsize); 63d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *, 64d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *); 65d613b6a7SJames Smart static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *, 66d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 67d613b6a7SJames Smart uint32_t, uint16_t); 68d613b6a7SJames Smart static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *, 69d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 70d613b6a7SJames Smart uint32_t, uint16_t); 71d613b6a7SJames Smart static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *, 72d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 73d613b6a7SJames Smart uint32_t, uint16_t); 746e8e1c14SJames Smart static void lpfc_nvmet_wqfull_flush(struct lpfc_hba *, struct lpfc_queue *, 756e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *); 76472e146dSJames Smart static void lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *); 77472e146dSJames Smart 78472e146dSJames Smart static void lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf); 79d613b6a7SJames Smart 80fab2e466SColin Ian King static union lpfc_wqe128 lpfc_tsend_cmd_template; 81fab2e466SColin Ian King static union lpfc_wqe128 lpfc_treceive_cmd_template; 82fab2e466SColin Ian King static union lpfc_wqe128 lpfc_trsp_cmd_template; 83bd3061baSJames Smart 84bd3061baSJames Smart /* Setup WQE templates for NVME IOs */ 85bd3061baSJames Smart void 86fab2e466SColin Ian King lpfc_nvmet_cmd_template(void) 87bd3061baSJames Smart { 88bd3061baSJames Smart union lpfc_wqe128 *wqe; 89bd3061baSJames Smart 90bd3061baSJames Smart /* TSEND template */ 91bd3061baSJames Smart wqe = &lpfc_tsend_cmd_template; 92bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 93bd3061baSJames Smart 94bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 95bd3061baSJames Smart 96bd3061baSJames Smart /* Word 3 - payload_offset_len is zero */ 97bd3061baSJames Smart 98bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 99bd3061baSJames Smart 100bd3061baSJames Smart /* Word 5 - is zero */ 101bd3061baSJames Smart 102bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 103bd3061baSJames Smart 104bd3061baSJames Smart /* Word 7 - wqe_ar is variable */ 105bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE); 106bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, PARM_REL_OFF); 107bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_tsend.wqe_com, CLASS3); 108bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_tsend.wqe_com, SLI4_CT_RPI); 109bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 1); 110bd3061baSJames Smart 111bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 112bd3061baSJames Smart 113bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 114bd3061baSJames Smart 115bd3061baSJames Smart /* Word 10 - wqes, xc is variable */ 116bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 117bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_tsend.wqe_com, 1); 118bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 0); 119bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 120bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_tsend.wqe_com, LPFC_WQE_IOD_WRITE); 121bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_tsend.wqe_com, LPFC_WQE_LENLOC_WORD12); 122bd3061baSJames Smart 123bd3061baSJames Smart /* Word 11 - sup, irsp, irsplen is variable */ 124bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_tsend.wqe_com, FCP_COMMAND_TSEND); 125bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_tsend.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 126bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 127bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 0); 128bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 0); 129bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_tsend.wqe_com, 0); 130bd3061baSJames Smart 131bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 132bd3061baSJames Smart 133bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is zero */ 134bd3061baSJames Smart 135bd3061baSJames Smart /* TRECEIVE template */ 136bd3061baSJames Smart wqe = &lpfc_treceive_cmd_template; 137bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 138bd3061baSJames Smart 139bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 140bd3061baSJames Smart 141bd3061baSJames Smart /* Word 3 */ 142bd3061baSJames Smart wqe->fcp_treceive.payload_offset_len = TXRDY_PAYLOAD_LEN; 143bd3061baSJames Smart 144bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 145bd3061baSJames Smart 146bd3061baSJames Smart /* Word 5 - is zero */ 147bd3061baSJames Smart 148bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 149bd3061baSJames Smart 150bd3061baSJames Smart /* Word 7 */ 151bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com, CMD_FCP_TRECEIVE64_WQE); 152bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, PARM_REL_OFF); 153bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_treceive.wqe_com, CLASS3); 154bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_treceive.wqe_com, SLI4_CT_RPI); 155bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0); 156bd3061baSJames Smart 157bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 158bd3061baSJames Smart 159bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 160bd3061baSJames Smart 161bd3061baSJames Smart /* Word 10 - xc is variable */ 162bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_treceive.wqe_com, 1); 163bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_treceive.wqe_com, 0); 164bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_treceive.wqe_com, 1); 165bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_treceive.wqe_com, LPFC_WQE_IOD_READ); 166bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_treceive.wqe_com, LPFC_WQE_LENLOC_WORD12); 167bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 168bd3061baSJames Smart 169bd3061baSJames Smart /* Word 11 - pbde is variable */ 170bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_treceive.wqe_com, FCP_COMMAND_TRECEIVE); 171bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_treceive.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 172bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_treceive.wqe_com, 0); 173bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_treceive.wqe_com, 0); 174bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_treceive.wqe_com, 0); 175bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 1); 176bd3061baSJames Smart 177bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 178bd3061baSJames Smart 179bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is variable */ 180bd3061baSJames Smart 181bd3061baSJames Smart /* TRSP template */ 182bd3061baSJames Smart wqe = &lpfc_trsp_cmd_template; 183bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 184bd3061baSJames Smart 185bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 186bd3061baSJames Smart 187bd3061baSJames Smart /* Word 3 - response_len is variable */ 188bd3061baSJames Smart 189bd3061baSJames Smart /* Word 4, 5 - is zero */ 190bd3061baSJames Smart 191bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 192bd3061baSJames Smart 193bd3061baSJames Smart /* Word 7 */ 194bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE); 195bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, PARM_UNUSED); 196bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_trsp.wqe_com, CLASS3); 197bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_trsp.wqe_com, SLI4_CT_RPI); 198bd3061baSJames Smart bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1); /* wqe_ar */ 199bd3061baSJames Smart 200bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 201bd3061baSJames Smart 202bd3061baSJames Smart /* Word 9 - reqtag is variable */ 203bd3061baSJames Smart 204bd3061baSJames Smart /* Word 10 wqes, xc is variable */ 205bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_trsp.wqe_com, 1); 206bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_trsp.wqe_com, 1); 207bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 0); 208bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 0); 209bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_trsp.wqe_com, LPFC_WQE_IOD_NONE); 210bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_trsp.wqe_com, LPFC_WQE_LENLOC_WORD3); 211bd3061baSJames Smart 212bd3061baSJames Smart /* Word 11 irsp, irsplen is variable */ 213bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_trsp.wqe_com, FCP_COMMAND_TRSP); 214bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_trsp.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 215bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_trsp.wqe_com, 0); 216bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 0); 217bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 0); 218bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_trsp.wqe_com, 0); 219bd3061baSJames Smart 220bd3061baSJames Smart /* Word 12, 13, 14, 15 - is zero */ 221bd3061baSJames Smart } 222bd3061baSJames Smart 22386c67379SJames Smart void 22486c67379SJames Smart lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp) 22586c67379SJames Smart { 226472e146dSJames Smart lockdep_assert_held(&ctxp->ctxlock); 22786c67379SJames Smart 228e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 22986c67379SJames Smart "6313 NVMET Defer ctx release xri x%x flg x%x\n", 23086c67379SJames Smart ctxp->oxid, ctxp->flag); 23186c67379SJames Smart 232472e146dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) 23386c67379SJames Smart return; 234472e146dSJames Smart 23586c67379SJames Smart ctxp->flag |= LPFC_NVMET_CTX_RLS; 236472e146dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 23786c67379SJames Smart list_add_tail(&ctxp->list, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); 238472e146dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 23986c67379SJames Smart } 24086c67379SJames Smart 241d613b6a7SJames Smart /** 242d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response 243d613b6a7SJames Smart * @phba: Pointer to HBA context object. 244d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 245d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 246d613b6a7SJames Smart * 247d613b6a7SJames Smart * The function is called from SLI ring event handler with no 248d613b6a7SJames Smart * lock held. This function is the completion handler for NVME LS commands 249d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 250d613b6a7SJames Smart **/ 251d613b6a7SJames Smart static void 252d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 253d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 254d613b6a7SJames Smart { 255d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 256d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp; 257d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 258d613b6a7SJames Smart uint32_t status, result; 259d613b6a7SJames Smart 260d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 261d613b6a7SJames Smart result = wcqe->parameter; 262ce1b591cSJames Smart ctxp = cmdwqe->context2; 263ce1b591cSJames Smart 264ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) { 265ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 266ce1b591cSJames Smart "6410 NVMET LS cmpl state mismatch IO x%x: " 267ce1b591cSJames Smart "%d %d\n", 268ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 269ce1b591cSJames Smart } 270ce1b591cSJames Smart 271d613b6a7SJames Smart if (!phba->targetport) 272d613b6a7SJames Smart goto out; 273d613b6a7SJames Smart 274d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 275d613b6a7SJames Smart 2764b056682SJames Smart if (tgtp) { 2774b056682SJames Smart if (status) { 278d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_error); 2798ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 2804b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_aborted); 2814b056682SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) 2824b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_xb_set); 2834b056682SJames Smart } else { 284d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_cmpl); 2854b056682SJames Smart } 2864b056682SJames Smart } 287d613b6a7SJames Smart 288d613b6a7SJames Smart out: 289d613b6a7SJames Smart rsp = &ctxp->ctx.ls_req; 290d613b6a7SJames Smart 2912b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n", 2922b65e182SJames Smart ctxp->oxid, status, result); 2932b65e182SJames Smart 294d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 295ce1b591cSJames Smart "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n", 296ce1b591cSJames Smart status, result, ctxp->oxid); 297d613b6a7SJames Smart 298d613b6a7SJames Smart lpfc_nlp_put(cmdwqe->context1); 299d613b6a7SJames Smart cmdwqe->context2 = NULL; 300d613b6a7SJames Smart cmdwqe->context3 = NULL; 301d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 302d613b6a7SJames Smart rsp->done(rsp); 303d613b6a7SJames Smart kfree(ctxp); 304d613b6a7SJames Smart } 305d613b6a7SJames Smart 306d613b6a7SJames Smart /** 3076c621a22SJames Smart * lpfc_nvmet_ctxbuf_post - Repost a NVMET RQ DMA buffer and clean up context 308d613b6a7SJames Smart * @phba: HBA buffer is associated with 309d613b6a7SJames Smart * @ctxp: context to clean up 310d613b6a7SJames Smart * @mp: Buffer to free 311d613b6a7SJames Smart * 312d613b6a7SJames Smart * Description: Frees the given DMA buffer in the appropriate way given by 313d613b6a7SJames Smart * reposting it to its associated RQ so it can be reused. 314d613b6a7SJames Smart * 315d613b6a7SJames Smart * Notes: Takes phba->hbalock. Can be called with or without other locks held. 316d613b6a7SJames Smart * 317d613b6a7SJames Smart * Returns: None 318d613b6a7SJames Smart **/ 319d613b6a7SJames Smart void 3206c621a22SJames Smart lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) 321d613b6a7SJames Smart { 322eeeb51d8SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 3236c621a22SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 324a8cf5dfeSJames Smart struct lpfc_nvmet_tgtport *tgtp; 325a8cf5dfeSJames Smart struct fc_frame_header *fc_hdr; 326a8cf5dfeSJames Smart struct rqb_dmabuf *nvmebuf; 32766d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 328a8cf5dfeSJames Smart uint32_t *payload; 329472e146dSJames Smart uint32_t size, oxid, sid; 33066d7ce93SDick Kennedy int cpu; 3316c621a22SJames Smart unsigned long iflag; 33286c67379SJames Smart 333d613b6a7SJames Smart if (ctxp->txrdy) { 334771db5c0SRomain Perier dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, 335d613b6a7SJames Smart ctxp->txrdy_phys); 336d613b6a7SJames Smart ctxp->txrdy = NULL; 337d613b6a7SJames Smart ctxp->txrdy_phys = 0; 338d613b6a7SJames Smart } 339ce1b591cSJames Smart 340ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 341ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 342ce1b591cSJames Smart "6411 NVMET free, already free IO x%x: %d %d\n", 343ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 344ce1b591cSJames Smart } 345472e146dSJames Smart 346472e146dSJames Smart if (ctxp->rqb_buffer) { 347472e146dSJames Smart nvmebuf = ctxp->rqb_buffer; 348472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 349472e146dSJames Smart ctxp->rqb_buffer = NULL; 350472e146dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) { 351472e146dSJames Smart ctxp->flag &= ~LPFC_NVMET_CTX_REUSE_WQ; 352472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 353472e146dSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 354472e146dSJames Smart } else { 355472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 356472e146dSJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 357472e146dSJames Smart } 358472e146dSJames Smart } 359d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_FREE; 3606c621a22SJames Smart 361a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 362a8cf5dfeSJames Smart if (phba->sli4_hba.nvmet_io_wait_cnt) { 363a8cf5dfeSJames Smart list_remove_head(&phba->sli4_hba.lpfc_nvmet_io_wait_list, 364a8cf5dfeSJames Smart nvmebuf, struct rqb_dmabuf, 365a8cf5dfeSJames Smart hbuf.list); 366a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt--; 367a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 368a8cf5dfeSJames Smart iflag); 369a8cf5dfeSJames Smart 370a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 371a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 372a8cf5dfeSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 373a8cf5dfeSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 374a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 375a8cf5dfeSJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 376a8cf5dfeSJames Smart 377a8cf5dfeSJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 378a8cf5dfeSJames Smart ctxp->wqeq = NULL; 379a8cf5dfeSJames Smart ctxp->txrdy = NULL; 380a8cf5dfeSJames Smart ctxp->offset = 0; 381a8cf5dfeSJames Smart ctxp->phba = phba; 382a8cf5dfeSJames Smart ctxp->size = size; 383a8cf5dfeSJames Smart ctxp->oxid = oxid; 384a8cf5dfeSJames Smart ctxp->sid = sid; 385a8cf5dfeSJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 386a8cf5dfeSJames Smart ctxp->entry_cnt = 1; 387a8cf5dfeSJames Smart ctxp->flag = 0; 388a8cf5dfeSJames Smart ctxp->ctxbuf = ctx_buf; 389cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 390a8cf5dfeSJames Smart spin_lock_init(&ctxp->ctxlock); 391a8cf5dfeSJames Smart 392a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 393c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 394a8cf5dfeSJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 395a8cf5dfeSJames Smart ctxp->ts_nvme_data = 0; 396a8cf5dfeSJames Smart ctxp->ts_data_wqput = 0; 397a8cf5dfeSJames Smart ctxp->ts_isr_data = 0; 398a8cf5dfeSJames Smart ctxp->ts_data_nvme = 0; 399a8cf5dfeSJames Smart ctxp->ts_nvme_status = 0; 400a8cf5dfeSJames Smart ctxp->ts_status_wqput = 0; 401a8cf5dfeSJames Smart ctxp->ts_isr_status = 0; 402a8cf5dfeSJames Smart ctxp->ts_status_nvme = 0; 403d613b6a7SJames Smart } 404a8cf5dfeSJames Smart #endif 405a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 406472e146dSJames Smart 407472e146dSJames Smart /* flag new work queued, replacement buffer has already 408472e146dSJames Smart * been reposted 409a8cf5dfeSJames Smart */ 410472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 411472e146dSJames Smart ctxp->flag |= LPFC_NVMET_CTX_REUSE_WQ; 412472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 413a8cf5dfeSJames Smart 414472e146dSJames Smart if (!queue_work(phba->wq, &ctx_buf->defer_work)) { 415a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 416472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 417472e146dSJames Smart "6181 Unable to queue deferred work " 418472e146dSJames Smart "for oxid x%x. " 419472e146dSJames Smart "FCP Drop IO [x%x x%x x%x]\n", 420472e146dSJames Smart ctxp->oxid, 421a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 422a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 423a8cf5dfeSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 424a8cf5dfeSJames Smart 425472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 426a8cf5dfeSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 427472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 428a8cf5dfeSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 429472e146dSJames Smart } 430a8cf5dfeSJames Smart return; 431a8cf5dfeSJames Smart } 432a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 433a8cf5dfeSJames Smart 43466d7ce93SDick Kennedy /* 43566d7ce93SDick Kennedy * Use the CPU context list, from the MRQ the IO was received on 43666d7ce93SDick Kennedy * (ctxp->idx), to save context structure. 43766d7ce93SDick Kennedy */ 43866d7ce93SDick Kennedy cpu = smp_processor_id(); 43966d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx); 44066d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag); 44166d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 44266d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 44366d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag); 444eeeb51d8SJames Smart #endif 445d613b6a7SJames Smart } 446d613b6a7SJames Smart 4472b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 4482b65e182SJames Smart static void 4492b65e182SJames Smart lpfc_nvmet_ktime(struct lpfc_hba *phba, 4502b65e182SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 4512b65e182SJames Smart { 4522b65e182SJames Smart uint64_t seg1, seg2, seg3, seg4, seg5; 4532b65e182SJames Smart uint64_t seg6, seg7, seg8, seg9, seg10; 454c8a4ce0bSDick Kennedy uint64_t segsum; 4552b65e182SJames Smart 4562b65e182SJames Smart if (!ctxp->ts_isr_cmd || !ctxp->ts_cmd_nvme || 4572b65e182SJames Smart !ctxp->ts_nvme_data || !ctxp->ts_data_wqput || 4582b65e182SJames Smart !ctxp->ts_isr_data || !ctxp->ts_data_nvme || 4592b65e182SJames Smart !ctxp->ts_nvme_status || !ctxp->ts_status_wqput || 4602b65e182SJames Smart !ctxp->ts_isr_status || !ctxp->ts_status_nvme) 4612b65e182SJames Smart return; 4622b65e182SJames Smart 463c8a4ce0bSDick Kennedy if (ctxp->ts_status_nvme < ctxp->ts_isr_cmd) 464c8a4ce0bSDick Kennedy return; 4652b65e182SJames Smart if (ctxp->ts_isr_cmd > ctxp->ts_cmd_nvme) 4662b65e182SJames Smart return; 4672b65e182SJames Smart if (ctxp->ts_cmd_nvme > ctxp->ts_nvme_data) 4682b65e182SJames Smart return; 4692b65e182SJames Smart if (ctxp->ts_nvme_data > ctxp->ts_data_wqput) 4702b65e182SJames Smart return; 4712b65e182SJames Smart if (ctxp->ts_data_wqput > ctxp->ts_isr_data) 4722b65e182SJames Smart return; 4732b65e182SJames Smart if (ctxp->ts_isr_data > ctxp->ts_data_nvme) 4742b65e182SJames Smart return; 4752b65e182SJames Smart if (ctxp->ts_data_nvme > ctxp->ts_nvme_status) 4762b65e182SJames Smart return; 4772b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_status_wqput) 4782b65e182SJames Smart return; 4792b65e182SJames Smart if (ctxp->ts_status_wqput > ctxp->ts_isr_status) 4802b65e182SJames Smart return; 4812b65e182SJames Smart if (ctxp->ts_isr_status > ctxp->ts_status_nvme) 4822b65e182SJames Smart return; 4832b65e182SJames Smart /* 4842b65e182SJames Smart * Segment 1 - Time from FCP command received by MSI-X ISR 4852b65e182SJames Smart * to FCP command is passed to NVME Layer. 4862b65e182SJames Smart * Segment 2 - Time from FCP command payload handed 4872b65e182SJames Smart * off to NVME Layer to Driver receives a Command op 4882b65e182SJames Smart * from NVME Layer. 4892b65e182SJames Smart * Segment 3 - Time from Driver receives a Command op 4902b65e182SJames Smart * from NVME Layer to Command is put on WQ. 4912b65e182SJames Smart * Segment 4 - Time from Driver WQ put is done 4922b65e182SJames Smart * to MSI-X ISR for Command cmpl. 4932b65e182SJames Smart * Segment 5 - Time from MSI-X ISR for Command cmpl to 4942b65e182SJames Smart * Command cmpl is passed to NVME Layer. 4952b65e182SJames Smart * Segment 6 - Time from Command cmpl is passed to NVME 4962b65e182SJames Smart * Layer to Driver receives a RSP op from NVME Layer. 4972b65e182SJames Smart * Segment 7 - Time from Driver receives a RSP op from 4982b65e182SJames Smart * NVME Layer to WQ put is done on TRSP FCP Status. 4992b65e182SJames Smart * Segment 8 - Time from Driver WQ put is done on TRSP 5002b65e182SJames Smart * FCP Status to MSI-X ISR for TRSP cmpl. 5012b65e182SJames Smart * Segment 9 - Time from MSI-X ISR for TRSP cmpl to 5022b65e182SJames Smart * TRSP cmpl is passed to NVME Layer. 5032b65e182SJames Smart * Segment 10 - Time from FCP command received by 5042b65e182SJames Smart * MSI-X ISR to command is completed on wire. 5052b65e182SJames Smart * (Segments 1 thru 8) for READDATA / WRITEDATA 5062b65e182SJames Smart * (Segments 1 thru 4) for READDATA_RSP 5072b65e182SJames Smart */ 5082b65e182SJames Smart seg1 = ctxp->ts_cmd_nvme - ctxp->ts_isr_cmd; 509c8a4ce0bSDick Kennedy segsum = seg1; 510c8a4ce0bSDick Kennedy 511c8a4ce0bSDick Kennedy seg2 = ctxp->ts_nvme_data - ctxp->ts_isr_cmd; 512c8a4ce0bSDick Kennedy if (segsum > seg2) 513c8a4ce0bSDick Kennedy return; 514c8a4ce0bSDick Kennedy seg2 -= segsum; 515c8a4ce0bSDick Kennedy segsum += seg2; 516c8a4ce0bSDick Kennedy 517c8a4ce0bSDick Kennedy seg3 = ctxp->ts_data_wqput - ctxp->ts_isr_cmd; 518c8a4ce0bSDick Kennedy if (segsum > seg3) 519c8a4ce0bSDick Kennedy return; 520c8a4ce0bSDick Kennedy seg3 -= segsum; 521c8a4ce0bSDick Kennedy segsum += seg3; 522c8a4ce0bSDick Kennedy 523c8a4ce0bSDick Kennedy seg4 = ctxp->ts_isr_data - ctxp->ts_isr_cmd; 524c8a4ce0bSDick Kennedy if (segsum > seg4) 525c8a4ce0bSDick Kennedy return; 526c8a4ce0bSDick Kennedy seg4 -= segsum; 527c8a4ce0bSDick Kennedy segsum += seg4; 528c8a4ce0bSDick Kennedy 529c8a4ce0bSDick Kennedy seg5 = ctxp->ts_data_nvme - ctxp->ts_isr_cmd; 530c8a4ce0bSDick Kennedy if (segsum > seg5) 531c8a4ce0bSDick Kennedy return; 532c8a4ce0bSDick Kennedy seg5 -= segsum; 533c8a4ce0bSDick Kennedy segsum += seg5; 534c8a4ce0bSDick Kennedy 5352b65e182SJames Smart 5362b65e182SJames Smart /* For auto rsp commands seg6 thru seg10 will be 0 */ 5372b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_data_nvme) { 538c8a4ce0bSDick Kennedy seg6 = ctxp->ts_nvme_status - ctxp->ts_isr_cmd; 539c8a4ce0bSDick Kennedy if (segsum > seg6) 540c8a4ce0bSDick Kennedy return; 541c8a4ce0bSDick Kennedy seg6 -= segsum; 542c8a4ce0bSDick Kennedy segsum += seg6; 543c8a4ce0bSDick Kennedy 544c8a4ce0bSDick Kennedy seg7 = ctxp->ts_status_wqput - ctxp->ts_isr_cmd; 545c8a4ce0bSDick Kennedy if (segsum > seg7) 546c8a4ce0bSDick Kennedy return; 547c8a4ce0bSDick Kennedy seg7 -= segsum; 548c8a4ce0bSDick Kennedy segsum += seg7; 549c8a4ce0bSDick Kennedy 550c8a4ce0bSDick Kennedy seg8 = ctxp->ts_isr_status - ctxp->ts_isr_cmd; 551c8a4ce0bSDick Kennedy if (segsum > seg8) 552c8a4ce0bSDick Kennedy return; 553c8a4ce0bSDick Kennedy seg8 -= segsum; 554c8a4ce0bSDick Kennedy segsum += seg8; 555c8a4ce0bSDick Kennedy 556c8a4ce0bSDick Kennedy seg9 = ctxp->ts_status_nvme - ctxp->ts_isr_cmd; 557c8a4ce0bSDick Kennedy if (segsum > seg9) 558c8a4ce0bSDick Kennedy return; 559c8a4ce0bSDick Kennedy seg9 -= segsum; 560c8a4ce0bSDick Kennedy segsum += seg9; 561c8a4ce0bSDick Kennedy 562c8a4ce0bSDick Kennedy if (ctxp->ts_isr_status < ctxp->ts_isr_cmd) 563c8a4ce0bSDick Kennedy return; 5642b65e182SJames Smart seg10 = (ctxp->ts_isr_status - 5652b65e182SJames Smart ctxp->ts_isr_cmd); 5662b65e182SJames Smart } else { 567c8a4ce0bSDick Kennedy if (ctxp->ts_isr_data < ctxp->ts_isr_cmd) 568c8a4ce0bSDick Kennedy return; 5692b65e182SJames Smart seg6 = 0; 5702b65e182SJames Smart seg7 = 0; 5712b65e182SJames Smart seg8 = 0; 5722b65e182SJames Smart seg9 = 0; 5732b65e182SJames Smart seg10 = (ctxp->ts_isr_data - ctxp->ts_isr_cmd); 5742b65e182SJames Smart } 5752b65e182SJames Smart 5762b65e182SJames Smart phba->ktime_seg1_total += seg1; 5772b65e182SJames Smart if (seg1 < phba->ktime_seg1_min) 5782b65e182SJames Smart phba->ktime_seg1_min = seg1; 5792b65e182SJames Smart else if (seg1 > phba->ktime_seg1_max) 5802b65e182SJames Smart phba->ktime_seg1_max = seg1; 5812b65e182SJames Smart 5822b65e182SJames Smart phba->ktime_seg2_total += seg2; 5832b65e182SJames Smart if (seg2 < phba->ktime_seg2_min) 5842b65e182SJames Smart phba->ktime_seg2_min = seg2; 5852b65e182SJames Smart else if (seg2 > phba->ktime_seg2_max) 5862b65e182SJames Smart phba->ktime_seg2_max = seg2; 5872b65e182SJames Smart 5882b65e182SJames Smart phba->ktime_seg3_total += seg3; 5892b65e182SJames Smart if (seg3 < phba->ktime_seg3_min) 5902b65e182SJames Smart phba->ktime_seg3_min = seg3; 5912b65e182SJames Smart else if (seg3 > phba->ktime_seg3_max) 5922b65e182SJames Smart phba->ktime_seg3_max = seg3; 5932b65e182SJames Smart 5942b65e182SJames Smart phba->ktime_seg4_total += seg4; 5952b65e182SJames Smart if (seg4 < phba->ktime_seg4_min) 5962b65e182SJames Smart phba->ktime_seg4_min = seg4; 5972b65e182SJames Smart else if (seg4 > phba->ktime_seg4_max) 5982b65e182SJames Smart phba->ktime_seg4_max = seg4; 5992b65e182SJames Smart 6002b65e182SJames Smart phba->ktime_seg5_total += seg5; 6012b65e182SJames Smart if (seg5 < phba->ktime_seg5_min) 6022b65e182SJames Smart phba->ktime_seg5_min = seg5; 6032b65e182SJames Smart else if (seg5 > phba->ktime_seg5_max) 6042b65e182SJames Smart phba->ktime_seg5_max = seg5; 6052b65e182SJames Smart 6062b65e182SJames Smart phba->ktime_data_samples++; 6072b65e182SJames Smart if (!seg6) 6082b65e182SJames Smart goto out; 6092b65e182SJames Smart 6102b65e182SJames Smart phba->ktime_seg6_total += seg6; 6112b65e182SJames Smart if (seg6 < phba->ktime_seg6_min) 6122b65e182SJames Smart phba->ktime_seg6_min = seg6; 6132b65e182SJames Smart else if (seg6 > phba->ktime_seg6_max) 6142b65e182SJames Smart phba->ktime_seg6_max = seg6; 6152b65e182SJames Smart 6162b65e182SJames Smart phba->ktime_seg7_total += seg7; 6172b65e182SJames Smart if (seg7 < phba->ktime_seg7_min) 6182b65e182SJames Smart phba->ktime_seg7_min = seg7; 6192b65e182SJames Smart else if (seg7 > phba->ktime_seg7_max) 6202b65e182SJames Smart phba->ktime_seg7_max = seg7; 6212b65e182SJames Smart 6222b65e182SJames Smart phba->ktime_seg8_total += seg8; 6232b65e182SJames Smart if (seg8 < phba->ktime_seg8_min) 6242b65e182SJames Smart phba->ktime_seg8_min = seg8; 6252b65e182SJames Smart else if (seg8 > phba->ktime_seg8_max) 6262b65e182SJames Smart phba->ktime_seg8_max = seg8; 6272b65e182SJames Smart 6282b65e182SJames Smart phba->ktime_seg9_total += seg9; 6292b65e182SJames Smart if (seg9 < phba->ktime_seg9_min) 6302b65e182SJames Smart phba->ktime_seg9_min = seg9; 6312b65e182SJames Smart else if (seg9 > phba->ktime_seg9_max) 6322b65e182SJames Smart phba->ktime_seg9_max = seg9; 6332b65e182SJames Smart out: 6342b65e182SJames Smart phba->ktime_seg10_total += seg10; 6352b65e182SJames Smart if (seg10 < phba->ktime_seg10_min) 6362b65e182SJames Smart phba->ktime_seg10_min = seg10; 6372b65e182SJames Smart else if (seg10 > phba->ktime_seg10_max) 6382b65e182SJames Smart phba->ktime_seg10_max = seg10; 6392b65e182SJames Smart phba->ktime_status_samples++; 6402b65e182SJames Smart } 6412b65e182SJames Smart #endif 6422b65e182SJames Smart 643d613b6a7SJames Smart /** 644d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response 645d613b6a7SJames Smart * @phba: Pointer to HBA context object. 646d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 647d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 648d613b6a7SJames Smart * 649d613b6a7SJames Smart * The function is called from SLI ring event handler with no 650d613b6a7SJames Smart * lock held. This function is the completion handler for NVME FCP commands 651d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 652d613b6a7SJames Smart **/ 653d613b6a7SJames Smart static void 654d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 655d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 656d613b6a7SJames Smart { 657d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 658d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp; 659d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 660e3246a12SJames Smart uint32_t status, result, op, start_clean, logerr; 6612b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 6622b65e182SJames Smart uint32_t id; 6632b65e182SJames Smart #endif 664d613b6a7SJames Smart 665d613b6a7SJames Smart ctxp = cmdwqe->context2; 66686c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_IO_INP; 66786c67379SJames Smart 668d613b6a7SJames Smart rsp = &ctxp->ctx.fcp_req; 669d613b6a7SJames Smart op = rsp->op; 670d613b6a7SJames Smart 671d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 672d613b6a7SJames Smart result = wcqe->parameter; 673d613b6a7SJames Smart 67486c67379SJames Smart if (phba->targetport) 67586c67379SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 67686c67379SJames Smart else 67786c67379SJames Smart tgtp = NULL; 678d613b6a7SJames Smart 6792b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMPL: xri x%x op x%x status x%x\n", 6802b65e182SJames Smart ctxp->oxid, op, status); 6812b65e182SJames Smart 682d613b6a7SJames Smart if (status) { 683d613b6a7SJames Smart rsp->fcp_error = NVME_SC_DATA_XFER_ERROR; 684d613b6a7SJames Smart rsp->transferred_length = 0; 6854b056682SJames Smart if (tgtp) { 686d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_error); 6878ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 6884b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_aborted); 6894b056682SJames Smart } 69086c67379SJames Smart 691e3246a12SJames Smart logerr = LOG_NVME_IOERR; 692e3246a12SJames Smart 69386c67379SJames Smart /* pick up SLI4 exhange busy condition */ 69486c67379SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) { 69586c67379SJames Smart ctxp->flag |= LPFC_NVMET_XBUSY; 696e3246a12SJames Smart logerr |= LOG_NVME_ABTS; 6974b056682SJames Smart if (tgtp) 6984b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_xb_set); 69986c67379SJames Smart 70086c67379SJames Smart } else { 70186c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 70286c67379SJames Smart } 70386c67379SJames Smart 704e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, logerr, 705e3246a12SJames Smart "6315 IO Error Cmpl xri x%x: %x/%x XBUSY:x%x\n", 706e3246a12SJames Smart ctxp->oxid, status, result, ctxp->flag); 707e3246a12SJames Smart 708d613b6a7SJames Smart } else { 709d613b6a7SJames Smart rsp->fcp_error = NVME_SC_SUCCESS; 710d613b6a7SJames Smart if (op == NVMET_FCOP_RSP) 711d613b6a7SJames Smart rsp->transferred_length = rsp->rsplen; 712d613b6a7SJames Smart else 713d613b6a7SJames Smart rsp->transferred_length = rsp->transfer_length; 71486c67379SJames Smart if (tgtp) 715d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_cmpl); 716d613b6a7SJames Smart } 717d613b6a7SJames Smart 718d613b6a7SJames Smart if ((op == NVMET_FCOP_READDATA_RSP) || 719d613b6a7SJames Smart (op == NVMET_FCOP_RSP)) { 720d613b6a7SJames Smart /* Sanity check */ 721d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 722d613b6a7SJames Smart ctxp->entry_cnt++; 72386c67379SJames Smart 7242b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 725c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7262b65e182SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 7272b65e182SJames Smart ctxp->ts_isr_data = 7282b65e182SJames Smart cmdwqe->isr_timestamp; 7292b65e182SJames Smart ctxp->ts_data_nvme = 7302b65e182SJames Smart ktime_get_ns(); 7312b65e182SJames Smart ctxp->ts_nvme_status = 7322b65e182SJames Smart ctxp->ts_data_nvme; 7332b65e182SJames Smart ctxp->ts_status_wqput = 7342b65e182SJames Smart ctxp->ts_data_nvme; 7352b65e182SJames Smart ctxp->ts_isr_status = 7362b65e182SJames Smart ctxp->ts_data_nvme; 7372b65e182SJames Smart ctxp->ts_status_nvme = 7382b65e182SJames Smart ctxp->ts_data_nvme; 7392b65e182SJames Smart } else { 7402b65e182SJames Smart ctxp->ts_isr_status = 7412b65e182SJames Smart cmdwqe->isr_timestamp; 7422b65e182SJames Smart ctxp->ts_status_nvme = 7432b65e182SJames Smart ktime_get_ns(); 7442b65e182SJames Smart } 7452b65e182SJames Smart } 7462b65e182SJames Smart #endif 747d613b6a7SJames Smart rsp->done(rsp); 7482b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 749c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) 7502b65e182SJames Smart lpfc_nvmet_ktime(phba, ctxp); 7512b65e182SJames Smart #endif 75219b58d94SJames Smart /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ 753d613b6a7SJames Smart } else { 754d613b6a7SJames Smart ctxp->entry_cnt++; 755c6e0c925SDick Kennedy start_clean = offsetof(struct lpfc_iocbq, iocb_flag); 756d613b6a7SJames Smart memset(((char *)cmdwqe) + start_clean, 0, 757d613b6a7SJames Smart (sizeof(struct lpfc_iocbq) - start_clean)); 7582b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 759c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7602b65e182SJames Smart ctxp->ts_isr_data = cmdwqe->isr_timestamp; 7612b65e182SJames Smart ctxp->ts_data_nvme = ktime_get_ns(); 7622b65e182SJames Smart } 7632b65e182SJames Smart #endif 764d613b6a7SJames Smart rsp->done(rsp); 765d613b6a7SJames Smart } 76663df6d63SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 76763df6d63SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 76863df6d63SJames Smart id = smp_processor_id(); 76963df6d63SJames Smart if (id < LPFC_CHECK_CPU_CNT) { 77063df6d63SJames Smart if (ctxp->cpu != id) 77163df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 77263df6d63SJames Smart "6704 CPU Check cmdcmpl: " 77363df6d63SJames Smart "cpu %d expect %d\n", 77463df6d63SJames Smart id, ctxp->cpu); 77563df6d63SJames Smart phba->sli4_hba.hdwq[rsp->hwqid].cpucheck_cmpl_io[id]++; 77663df6d63SJames Smart } 77763df6d63SJames Smart } 77863df6d63SJames Smart #endif 779d613b6a7SJames Smart } 780d613b6a7SJames Smart 781d613b6a7SJames Smart static int 782d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, 783d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp) 784d613b6a7SJames Smart { 785d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 786d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req); 787d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 788d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf = 789d613b6a7SJames Smart (struct hbq_dmabuf *)ctxp->rqb_buffer; 790d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 791d613b6a7SJames Smart struct lpfc_nvmet_tgtport *nvmep = tgtport->private; 792d613b6a7SJames Smart struct lpfc_dmabuf dmabuf; 793d613b6a7SJames Smart struct ulp_bde64 bpl; 794d613b6a7SJames Smart int rc; 795d613b6a7SJames Smart 7961abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 7971abcb371SDick Kennedy return -ENODEV; 7981abcb371SDick Kennedy 7993386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 8003386f4bdSJames Smart return -ENODEV; 8013386f4bdSJames Smart 802d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 803ce1b591cSJames Smart "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid); 804ce1b591cSJames Smart 805ce1b591cSJames Smart if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) || 806ce1b591cSJames Smart (ctxp->entry_cnt != 1)) { 807ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 808ce1b591cSJames Smart "6412 NVMET LS rsp state mismatch " 809ce1b591cSJames Smart "oxid x%x: %d %d\n", 810ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 811ce1b591cSJames Smart } 812ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RSP; 813ce1b591cSJames Smart ctxp->entry_cnt++; 814d613b6a7SJames Smart 815d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma, 816d613b6a7SJames Smart rsp->rsplen); 817d613b6a7SJames Smart if (nvmewqeq == NULL) { 818d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 819d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 820d613b6a7SJames Smart "6150 LS Drop IO x%x: Prep\n", 821d613b6a7SJames Smart ctxp->oxid); 822d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 823547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 824d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, 825d613b6a7SJames Smart ctxp->sid, ctxp->oxid); 826d613b6a7SJames Smart return -ENOMEM; 827d613b6a7SJames Smart } 828d613b6a7SJames Smart 829d613b6a7SJames Smart /* Save numBdes for bpl2sgl */ 830d613b6a7SJames Smart nvmewqeq->rsvd2 = 1; 831d613b6a7SJames Smart nvmewqeq->hba_wqidx = 0; 832d613b6a7SJames Smart nvmewqeq->context3 = &dmabuf; 833d613b6a7SJames Smart dmabuf.virt = &bpl; 834d613b6a7SJames Smart bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow; 835d613b6a7SJames Smart bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh; 836d613b6a7SJames Smart bpl.tus.f.bdeSize = rsp->rsplen; 837d613b6a7SJames Smart bpl.tus.f.bdeFlags = 0; 838d613b6a7SJames Smart bpl.tus.w = le32_to_cpu(bpl.tus.w); 839d613b6a7SJames Smart 840d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp; 841d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 842d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 843d613b6a7SJames Smart 8442b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n", 8452b65e182SJames Smart ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen); 8462b65e182SJames Smart 8471fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 848d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 849d613b6a7SJames Smart /* 850d613b6a7SJames Smart * Okay to repost buffer here, but wait till cmpl 851d613b6a7SJames Smart * before freeing ctxp and iocbq. 852d613b6a7SJames Smart */ 853d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 854d613b6a7SJames Smart ctxp->rqb_buffer = 0; 855d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_rsp); 856d613b6a7SJames Smart return 0; 857d613b6a7SJames Smart } 858d613b6a7SJames Smart /* Give back resources */ 859d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 860d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 861d613b6a7SJames Smart "6151 LS Drop IO x%x: Issue %d\n", 862d613b6a7SJames Smart ctxp->oxid, rc); 863d613b6a7SJames Smart 864d613b6a7SJames Smart lpfc_nlp_put(nvmewqeq->context1); 865d613b6a7SJames Smart 866d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 867547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 868d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 869d613b6a7SJames Smart return -ENXIO; 870d613b6a7SJames Smart } 871d613b6a7SJames Smart 872d613b6a7SJames Smart static int 873d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, 874d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp) 875d613b6a7SJames Smart { 876d613b6a7SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 877d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 878d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 879d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 8806e8e1c14SJames Smart struct lpfc_queue *wq; 881d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 8826e8e1c14SJames Smart struct lpfc_sli_ring *pring; 8836e8e1c14SJames Smart unsigned long iflags; 884223b78eaSArnd Bergmann int rc; 8852b65e182SJames Smart 8861abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) { 8871abcb371SDick Kennedy rc = -ENODEV; 8881abcb371SDick Kennedy goto aerr; 8891abcb371SDick Kennedy } 8901abcb371SDick Kennedy 8913386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) { 8923386f4bdSJames Smart rc = -ENODEV; 8933386f4bdSJames Smart goto aerr; 8943386f4bdSJames Smart } 8953386f4bdSJames Smart 8962b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 897c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 8982b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 8992b65e182SJames Smart ctxp->ts_nvme_status = ktime_get_ns(); 9002b65e182SJames Smart else 9012b65e182SJames Smart ctxp->ts_nvme_data = ktime_get_ns(); 9022b65e182SJames Smart } 9031fbf9742SJames Smart 9041fbf9742SJames Smart /* Setup the hdw queue if not already set */ 9051fbf9742SJames Smart if (!ctxp->hdwq) 9061fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[rsp->hwqid]; 9071fbf9742SJames Smart 9082b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 909223b78eaSArnd Bergmann int id = smp_processor_id(); 91063df6d63SJames Smart if (id < LPFC_CHECK_CPU_CNT) { 91163df6d63SJames Smart if (rsp->hwqid != id) 91263df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 9132b65e182SJames Smart "6705 CPU Check OP: " 9142b65e182SJames Smart "cpu %d expect %d\n", 9152b65e182SJames Smart id, rsp->hwqid); 91663df6d63SJames Smart phba->sli4_hba.hdwq[rsp->hwqid].cpucheck_xmt_io[id]++; 9172b65e182SJames Smart } 91863df6d63SJames Smart ctxp->cpu = id; /* Setup cpu for cmpl check */ 9192b65e182SJames Smart } 9202b65e182SJames Smart #endif 921d613b6a7SJames Smart 922d613b6a7SJames Smart /* Sanity check */ 92386c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) || 92486c67379SJames Smart (ctxp->state == LPFC_NVMET_STE_ABORT)) { 925d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 926d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 92786c67379SJames Smart "6102 IO xri x%x aborted\n", 928d613b6a7SJames Smart ctxp->oxid); 929a5068b46SJames Smart rc = -ENXIO; 930d613b6a7SJames Smart goto aerr; 931d613b6a7SJames Smart } 932d613b6a7SJames Smart 933d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_fcp_wqe(phba, ctxp); 934d613b6a7SJames Smart if (nvmewqeq == NULL) { 935d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 936d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 937d613b6a7SJames Smart "6152 FCP Drop IO x%x: Prep\n", 938d613b6a7SJames Smart ctxp->oxid); 939a5068b46SJames Smart rc = -ENXIO; 940d613b6a7SJames Smart goto aerr; 941d613b6a7SJames Smart } 942d613b6a7SJames Smart 943d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; 944d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 945d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 946d613b6a7SJames Smart nvmewqeq->iocb_flag |= LPFC_IO_NVMET; 947d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = rsp->hwqid; 948d613b6a7SJames Smart 9492b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", 9502b65e182SJames Smart ctxp->oxid, rsp->op, rsp->rsplen); 9512b65e182SJames Smart 95261f3d4bfSJames Smart ctxp->flag |= LPFC_NVMET_IO_INP; 9531fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 954d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 9552b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 956c8a4ce0bSDick Kennedy if (!ctxp->ts_cmd_nvme) 9572b65e182SJames Smart return 0; 9582b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 9592b65e182SJames Smart ctxp->ts_status_wqput = ktime_get_ns(); 9602b65e182SJames Smart else 9612b65e182SJames Smart ctxp->ts_data_wqput = ktime_get_ns(); 9622b65e182SJames Smart #endif 963d613b6a7SJames Smart return 0; 964d613b6a7SJames Smart } 965d613b6a7SJames Smart 9666e8e1c14SJames Smart if (rc == -EBUSY) { 9676e8e1c14SJames Smart /* 9686e8e1c14SJames Smart * WQ was full, so queue nvmewqeq to be sent after 9696e8e1c14SJames Smart * WQE release CQE 9706e8e1c14SJames Smart */ 9716e8e1c14SJames Smart ctxp->flag |= LPFC_NVMET_DEFER_WQFULL; 9721fbf9742SJames Smart wq = ctxp->hdwq->nvme_wq; 9736e8e1c14SJames Smart pring = wq->pring; 9746e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 9756e8e1c14SJames Smart list_add_tail(&nvmewqeq->list, &wq->wqfull_list); 9766e8e1c14SJames Smart wq->q_flag |= HBA_NVMET_WQFULL; 9776e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 978411de511SJames Smart atomic_inc(&lpfc_nvmep->defer_wqfull); 9796e8e1c14SJames Smart return 0; 9806e8e1c14SJames Smart } 9816e8e1c14SJames Smart 982d613b6a7SJames Smart /* Give back resources */ 983d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 984d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 985d613b6a7SJames Smart "6153 FCP Drop IO x%x: Issue: %d\n", 986d613b6a7SJames Smart ctxp->oxid, rc); 987d613b6a7SJames Smart 988d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 989d613b6a7SJames Smart nvmewqeq->context2 = NULL; 990d613b6a7SJames Smart nvmewqeq->context3 = NULL; 991a5068b46SJames Smart rc = -EBUSY; 992d613b6a7SJames Smart aerr: 993a5068b46SJames Smart return rc; 994d613b6a7SJames Smart } 995d613b6a7SJames Smart 996d613b6a7SJames Smart static void 997d613b6a7SJames Smart lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port *targetport) 998d613b6a7SJames Smart { 999d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tport = targetport->private; 1000d613b6a7SJames Smart 1001d613b6a7SJames Smart /* release any threads waiting for the unreg to complete */ 1002d613b6a7SJames Smart complete(&tport->tport_unreg_done); 1003d613b6a7SJames Smart } 1004d613b6a7SJames Smart 100519b58d94SJames Smart static void 1006a97ec51bSJames Smart lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport, 1007a97ec51bSJames Smart struct nvmefc_tgt_fcp_req *req) 1008a97ec51bSJames Smart { 1009a97ec51bSJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 1010a97ec51bSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 1011a97ec51bSJames Smart container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 1012a97ec51bSJames Smart struct lpfc_hba *phba = ctxp->phba; 10136e8e1c14SJames Smart struct lpfc_queue *wq; 101486c67379SJames Smart unsigned long flags; 1015a97ec51bSJames Smart 10161abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 10171abcb371SDick Kennedy return; 10181abcb371SDick Kennedy 10193386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 10203386f4bdSJames Smart return; 10213386f4bdSJames Smart 10221fbf9742SJames Smart if (!ctxp->hdwq) 10231fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[0]; 10241fbf9742SJames Smart 1025a97ec51bSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1026ce1b591cSJames Smart "6103 NVMET Abort op: oxri x%x flg x%x ste %d\n", 1027ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1028a97ec51bSJames Smart 1029ce1b591cSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP ABRT: xri x%x flg x%x ste x%x\n", 1030ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1031a97ec51bSJames Smart 1032a97ec51bSJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_abort); 1033ce1b591cSJames Smart 103486c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 1035c578f6f4SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 103686c67379SJames Smart 103786c67379SJames Smart /* Since iaab/iaar are NOT set, we need to check 103886c67379SJames Smart * if the firmware is in process of aborting IO 103986c67379SJames Smart */ 104086c67379SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) { 104186c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 104286c67379SJames Smart return; 104386c67379SJames Smart } 1044a97ec51bSJames Smart ctxp->flag |= LPFC_NVMET_ABORT_OP; 1045ce1b591cSJames Smart 10466e8e1c14SJames Smart if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) { 10476e8e1c14SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 10486e8e1c14SJames Smart ctxp->oxid); 10491fbf9742SJames Smart wq = ctxp->hdwq->nvme_wq; 1050917d59acSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 10516e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, ctxp); 10526e8e1c14SJames Smart return; 10536e8e1c14SJames Smart } 10546e8e1c14SJames Smart 1055ce1b591cSJames Smart /* An state of LPFC_NVMET_STE_RCV means we have just received 1056ce1b591cSJames Smart * the NVME command and have not started processing it. 1057ce1b591cSJames Smart * (by issuing any IO WQEs on this exchange yet) 1058ce1b591cSJames Smart */ 1059ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_RCV) 1060ce1b591cSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1061a97ec51bSJames Smart ctxp->oxid); 1062a97ec51bSJames Smart else 1063ce1b591cSJames Smart lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1064a97ec51bSJames Smart ctxp->oxid); 106586c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 1066a97ec51bSJames Smart } 1067a97ec51bSJames Smart 1068a97ec51bSJames Smart static void 106919b58d94SJames Smart lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, 107019b58d94SJames Smart struct nvmefc_tgt_fcp_req *rsp) 107119b58d94SJames Smart { 1072547077a4SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 107319b58d94SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 107419b58d94SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 107519b58d94SJames Smart struct lpfc_hba *phba = ctxp->phba; 107619b58d94SJames Smart unsigned long flags; 107719b58d94SJames Smart bool aborting = false; 107819b58d94SJames Smart 1079ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_DONE && 1080ce1b591cSJames Smart ctxp->state != LPFC_NVMET_STE_ABORT) { 1081ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1082ce1b591cSJames Smart "6413 NVMET release bad state %d %d oxid x%x\n", 1083ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1084ce1b591cSJames Smart } 1085ce1b591cSJames Smart 108619b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 108786c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABORT_OP) || 108886c67379SJames Smart (ctxp->flag & LPFC_NVMET_XBUSY)) { 108919b58d94SJames Smart aborting = true; 109086c67379SJames Smart /* let the abort path do the real release */ 109186c67379SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 109219b58d94SJames Smart } 109319b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 109419b58d94SJames Smart 10959094367aSArnd Bergmann lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, 10969094367aSArnd Bergmann ctxp->state, aborting); 109719b58d94SJames Smart 1098547077a4SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_release); 1099547077a4SJames Smart 110086c67379SJames Smart if (aborting) 110186c67379SJames Smart return; 110286c67379SJames Smart 11036c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 110419b58d94SJames Smart } 110519b58d94SJames Smart 110650738420SJames Smart static void 110750738420SJames Smart lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, 110850738420SJames Smart struct nvmefc_tgt_fcp_req *rsp) 110950738420SJames Smart { 111050738420SJames Smart struct lpfc_nvmet_tgtport *tgtp; 111150738420SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 111250738420SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 111350738420SJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 111450738420SJames Smart struct lpfc_hba *phba = ctxp->phba; 1115472e146dSJames Smart unsigned long iflag; 1116472e146dSJames Smart 111750738420SJames Smart 111850738420SJames Smart lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", 111950738420SJames Smart ctxp->oxid, ctxp->size, smp_processor_id()); 112050738420SJames Smart 11216871e814SJames Smart if (!nvmebuf) { 11226871e814SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 11236871e814SJames Smart "6425 Defer rcv: no buffer xri x%x: " 11246871e814SJames Smart "flg %x ste %x\n", 11256871e814SJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 11266871e814SJames Smart return; 11276871e814SJames Smart } 11286871e814SJames Smart 112950738420SJames Smart tgtp = phba->targetport->private; 11306871e814SJames Smart if (tgtp) 113150738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_defer); 1132411de511SJames Smart 1133411de511SJames Smart /* Free the nvmebuf since a new buffer already replaced it */ 1134cbc5de1bSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 1135472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 1136472e146dSJames Smart ctxp->rqb_buffer = NULL; 1137472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 113850738420SJames Smart } 113950738420SJames Smart 1140d613b6a7SJames Smart static struct nvmet_fc_target_template lpfc_tgttemplate = { 1141d613b6a7SJames Smart .targetport_delete = lpfc_nvmet_targetport_delete, 1142d613b6a7SJames Smart .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, 1143d613b6a7SJames Smart .fcp_op = lpfc_nvmet_xmt_fcp_op, 1144a97ec51bSJames Smart .fcp_abort = lpfc_nvmet_xmt_fcp_abort, 114519b58d94SJames Smart .fcp_req_release = lpfc_nvmet_xmt_fcp_release, 114650738420SJames Smart .defer_rcv = lpfc_nvmet_defer_rcv, 1147d613b6a7SJames Smart 1148d613b6a7SJames Smart .max_hw_queues = 1, 1149d613b6a7SJames Smart .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1150d613b6a7SJames Smart .max_dif_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1151d613b6a7SJames Smart .dma_boundary = 0xFFFFFFFF, 1152d613b6a7SJames Smart 1153d613b6a7SJames Smart /* optional features */ 1154d613b6a7SJames Smart .target_features = 0, 1155d613b6a7SJames Smart /* sizes of additional private data for data structures */ 1156d613b6a7SJames Smart .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), 1157d613b6a7SJames Smart }; 1158d613b6a7SJames Smart 115939aa23f9SColin Ian King static void 116066d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, 116166d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop) 11626c621a22SJames Smart { 11636c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; 11646c621a22SJames Smart unsigned long flags; 11656c621a22SJames Smart 116666d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); 1167966bb5b7SJames Smart list_for_each_entry_safe(ctx_buf, next_ctx_buf, 116866d7ce93SDick Kennedy &infop->nvmet_ctx_list, list) { 11695e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 11706c621a22SJames Smart list_del_init(&ctx_buf->list); 11715e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 117266d7ce93SDick Kennedy 117366d7ce93SDick Kennedy __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); 11746c621a22SJames Smart ctx_buf->sglq->state = SGL_FREED; 11756c621a22SJames Smart ctx_buf->sglq->ndlp = NULL; 11766c621a22SJames Smart 1177c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.sgl_list_lock); 11786c621a22SJames Smart list_add_tail(&ctx_buf->sglq->list, 11796c621a22SJames Smart &phba->sli4_hba.lpfc_nvmet_sgl_list); 1180c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.sgl_list_lock); 11816c621a22SJames Smart 11826c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 11836c621a22SJames Smart kfree(ctx_buf->context); 11846c621a22SJames Smart } 118566d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); 1186966bb5b7SJames Smart } 118766d7ce93SDick Kennedy 118866d7ce93SDick Kennedy static void 118966d7ce93SDick Kennedy lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) 119066d7ce93SDick Kennedy { 119166d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 119266d7ce93SDick Kennedy int i, j; 119366d7ce93SDick Kennedy 119466d7ce93SDick Kennedy /* The first context list, MRQ 0 CPU 0 */ 119566d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 119666d7ce93SDick Kennedy if (!infop) 119766d7ce93SDick Kennedy return; 119866d7ce93SDick Kennedy 119966d7ce93SDick Kennedy /* Cycle the the entire CPU context list for every MRQ */ 120066d7ce93SDick Kennedy for (i = 0; i < phba->cfg_nvmet_mrq; i++) { 1201222e9239SJames Smart for_each_present_cpu(j) { 1202222e9239SJames Smart infop = lpfc_get_ctx_list(phba, j, i); 120366d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(phba, infop); 120466d7ce93SDick Kennedy } 120566d7ce93SDick Kennedy } 120666d7ce93SDick Kennedy kfree(phba->sli4_hba.nvmet_ctx_info); 120766d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = NULL; 12086c621a22SJames Smart } 12096c621a22SJames Smart 121039aa23f9SColin Ian King static int 12116c621a22SJames Smart lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) 12126c621a22SJames Smart { 12136c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 12146c621a22SJames Smart struct lpfc_iocbq *nvmewqe; 12156c621a22SJames Smart union lpfc_wqe128 *wqe; 121666d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *last_infop; 121766d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 1218222e9239SJames Smart int i, j, idx, cpu; 12196c621a22SJames Smart 12206c621a22SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME, 12216c621a22SJames Smart "6403 Allocate NVMET resources for %d XRIs\n", 12226c621a22SJames Smart phba->sli4_hba.nvmet_xri_cnt); 12236c621a22SJames Smart 122466d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = kcalloc( 1225222e9239SJames Smart phba->sli4_hba.num_possible_cpu * phba->cfg_nvmet_mrq, 122666d7ce93SDick Kennedy sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); 122766d7ce93SDick Kennedy if (!phba->sli4_hba.nvmet_ctx_info) { 122866d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 122966d7ce93SDick Kennedy "6419 Failed allocate memory for " 123066d7ce93SDick Kennedy "nvmet context lists\n"); 123166d7ce93SDick Kennedy return -ENOMEM; 123266d7ce93SDick Kennedy } 123366d7ce93SDick Kennedy 123466d7ce93SDick Kennedy /* 123566d7ce93SDick Kennedy * Assuming X CPUs in the system, and Y MRQs, allocate some 123666d7ce93SDick Kennedy * lpfc_nvmet_ctx_info structures as follows: 123766d7ce93SDick Kennedy * 123866d7ce93SDick Kennedy * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 123966d7ce93SDick Kennedy * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 124066d7ce93SDick Kennedy * ... 124166d7ce93SDick Kennedy * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY 124266d7ce93SDick Kennedy * 124366d7ce93SDick Kennedy * Each line represents a MRQ "silo" containing an entry for 124466d7ce93SDick Kennedy * every CPU. 124566d7ce93SDick Kennedy * 124666d7ce93SDick Kennedy * MRQ X is initially assumed to be associated with CPU X, thus 124766d7ce93SDick Kennedy * contexts are initially distributed across all MRQs using 124866d7ce93SDick Kennedy * the MRQ index (N) as follows cpuN/mrqN. When contexts are 124966d7ce93SDick Kennedy * freed, the are freed to the MRQ silo based on the CPU number 125066d7ce93SDick Kennedy * of the IO completion. Thus a context that was allocated for MRQ A 125166d7ce93SDick Kennedy * whose IO completed on CPU B will be freed to cpuB/mrqA. 125266d7ce93SDick Kennedy */ 1253222e9239SJames Smart for_each_possible_cpu(i) { 125466d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1255222e9239SJames Smart infop = lpfc_get_ctx_list(phba, i, j); 125666d7ce93SDick Kennedy INIT_LIST_HEAD(&infop->nvmet_ctx_list); 125766d7ce93SDick Kennedy spin_lock_init(&infop->nvmet_ctx_list_lock); 125866d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt = 0; 125966d7ce93SDick Kennedy } 126066d7ce93SDick Kennedy } 126166d7ce93SDick Kennedy 126266d7ce93SDick Kennedy /* 126366d7ce93SDick Kennedy * Setup the next CPU context info ptr for each MRQ. 126466d7ce93SDick Kennedy * MRQ 0 will cycle thru CPUs 0 - X separately from 126566d7ce93SDick Kennedy * MRQ 1 cycling thru CPUs 0 - X, and so on. 126666d7ce93SDick Kennedy */ 126766d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1268222e9239SJames Smart last_infop = lpfc_get_ctx_list(phba, 1269222e9239SJames Smart cpumask_first(cpu_present_mask), 1270222e9239SJames Smart j); 1271222e9239SJames Smart for (i = phba->sli4_hba.num_possible_cpu - 1; i >= 0; i--) { 127266d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, i, j); 127366d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu = last_infop; 127466d7ce93SDick Kennedy last_infop = infop; 127566d7ce93SDick Kennedy } 127666d7ce93SDick Kennedy } 127766d7ce93SDick Kennedy 12786c621a22SJames Smart /* For all nvmet xris, allocate resources needed to process a 12796c621a22SJames Smart * received command on a per xri basis. 12806c621a22SJames Smart */ 128166d7ce93SDick Kennedy idx = 0; 1282222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 12836c621a22SJames Smart for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { 12846c621a22SJames Smart ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); 12856c621a22SJames Smart if (!ctx_buf) { 12866c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12876c621a22SJames Smart "6404 Ran out of memory for NVMET\n"); 12886c621a22SJames Smart return -ENOMEM; 12896c621a22SJames Smart } 12906c621a22SJames Smart 12916c621a22SJames Smart ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), 12926c621a22SJames Smart GFP_KERNEL); 12936c621a22SJames Smart if (!ctx_buf->context) { 12946c621a22SJames Smart kfree(ctx_buf); 12956c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12966c621a22SJames Smart "6405 Ran out of NVMET " 12976c621a22SJames Smart "context memory\n"); 12986c621a22SJames Smart return -ENOMEM; 12996c621a22SJames Smart } 13006c621a22SJames Smart ctx_buf->context->ctxbuf = ctx_buf; 1301ce1b591cSJames Smart ctx_buf->context->state = LPFC_NVMET_STE_FREE; 13026c621a22SJames Smart 13036c621a22SJames Smart ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); 13046c621a22SJames Smart if (!ctx_buf->iocbq) { 13056c621a22SJames Smart kfree(ctx_buf->context); 13066c621a22SJames Smart kfree(ctx_buf); 13076c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13086c621a22SJames Smart "6406 Ran out of NVMET iocb/WQEs\n"); 13096c621a22SJames Smart return -ENOMEM; 13106c621a22SJames Smart } 13116c621a22SJames Smart ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; 13126c621a22SJames Smart nvmewqe = ctx_buf->iocbq; 1313205e8240SJames Smart wqe = &nvmewqe->wqe; 1314bd3061baSJames Smart 13156c621a22SJames Smart /* Initialize WQE */ 13166c621a22SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 13176c621a22SJames Smart 13186c621a22SJames Smart ctx_buf->iocbq->context1 = NULL; 13196c621a22SJames Smart spin_lock(&phba->sli4_hba.sgl_list_lock); 13206c621a22SJames Smart ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); 13216c621a22SJames Smart spin_unlock(&phba->sli4_hba.sgl_list_lock); 13226c621a22SJames Smart if (!ctx_buf->sglq) { 13236c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 13246c621a22SJames Smart kfree(ctx_buf->context); 13256c621a22SJames Smart kfree(ctx_buf); 13266c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13276c621a22SJames Smart "6407 Ran out of NVMET XRIs\n"); 13286c621a22SJames Smart return -ENOMEM; 13296c621a22SJames Smart } 1330472e146dSJames Smart INIT_WORK(&ctx_buf->defer_work, lpfc_nvmet_fcp_rqst_defer_work); 133166d7ce93SDick Kennedy 133266d7ce93SDick Kennedy /* 133366d7ce93SDick Kennedy * Add ctx to MRQidx context list. Our initial assumption 133466d7ce93SDick Kennedy * is MRQidx will be associated with CPUidx. This association 133566d7ce93SDick Kennedy * can change on the fly. 133666d7ce93SDick Kennedy */ 1337222e9239SJames Smart infop = lpfc_get_ctx_list(phba, cpu, idx); 133866d7ce93SDick Kennedy spin_lock(&infop->nvmet_ctx_list_lock); 133966d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 134066d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 134166d7ce93SDick Kennedy spin_unlock(&infop->nvmet_ctx_list_lock); 134266d7ce93SDick Kennedy 134366d7ce93SDick Kennedy /* Spread ctx structures evenly across all MRQs */ 134466d7ce93SDick Kennedy idx++; 1345222e9239SJames Smart if (idx >= phba->cfg_nvmet_mrq) { 134666d7ce93SDick Kennedy idx = 0; 1347222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1348222e9239SJames Smart continue; 1349222e9239SJames Smart } 1350222e9239SJames Smart cpu = cpumask_next(cpu, cpu_present_mask); 1351222e9239SJames Smart if (cpu == nr_cpu_ids) 1352222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1353222e9239SJames Smart 13546c621a22SJames Smart } 135566d7ce93SDick Kennedy 1356222e9239SJames Smart for_each_present_cpu(i) { 13572879265fSJames Smart for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 13582879265fSJames Smart infop = lpfc_get_ctx_list(phba, i, j); 135966d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 136066d7ce93SDick Kennedy "6408 TOTAL NVMET ctx for CPU %d " 136166d7ce93SDick Kennedy "MRQ %d: cnt %d nextcpu %p\n", 136266d7ce93SDick Kennedy i, j, infop->nvmet_ctx_list_cnt, 136366d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu); 136466d7ce93SDick Kennedy } 136566d7ce93SDick Kennedy } 13666c621a22SJames Smart return 0; 13676c621a22SJames Smart } 13686c621a22SJames Smart 1369d613b6a7SJames Smart int 1370d613b6a7SJames Smart lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 1371d613b6a7SJames Smart { 1372d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1373d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1374d613b6a7SJames Smart struct nvmet_fc_port_info pinfo; 13756c621a22SJames Smart int error; 1376d613b6a7SJames Smart 1377d613b6a7SJames Smart if (phba->targetport) 1378d613b6a7SJames Smart return 0; 1379d613b6a7SJames Smart 13806c621a22SJames Smart error = lpfc_nvmet_setup_io_context(phba); 13816c621a22SJames Smart if (error) 13826c621a22SJames Smart return error; 13836c621a22SJames Smart 1384d613b6a7SJames Smart memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); 1385d613b6a7SJames Smart pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); 1386d613b6a7SJames Smart pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); 1387d613b6a7SJames Smart pinfo.port_id = vport->fc_myDID; 1388d613b6a7SJames Smart 13895b9e70b2SJames Smart /* We need to tell the transport layer + 1 because it takes page 13905b9e70b2SJames Smart * alignment into account. When space for the SGL is allocated we 13915b9e70b2SJames Smart * allocate + 3, one for cmd, one for rsp and one for this alignment 13924d4c4a4aSJames Smart */ 13934d4c4a4aSJames Smart lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; 1394cdb42becSJames Smart lpfc_tgttemplate.max_hw_queues = phba->cfg_hdw_queue; 1395f485c18dSDick Kennedy lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP; 1396d613b6a7SJames Smart 13977d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1398d613b6a7SJames Smart error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, 1399d613b6a7SJames Smart &phba->pcidev->dev, 1400d613b6a7SJames Smart &phba->targetport); 1401166d7211SJames Smart #else 14026c621a22SJames Smart error = -ENOENT; 1403166d7211SJames Smart #endif 1404d613b6a7SJames Smart if (error) { 1405d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1406e7981a2cSDick Kennedy "6025 Cannot register NVME targetport x%x: " 1407e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1408e7981a2cSDick Kennedy error, 1409e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1410e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1411e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1412d613b6a7SJames Smart phba->targetport = NULL; 1413e7981a2cSDick Kennedy phba->nvmet_support = 0; 14146c621a22SJames Smart 14156c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 14166c621a22SJames Smart 1417d613b6a7SJames Smart } else { 1418d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *) 1419d613b6a7SJames Smart phba->targetport->private; 1420d613b6a7SJames Smart tgtp->phba = phba; 1421d613b6a7SJames Smart 1422d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1423d613b6a7SJames Smart "6026 Registered NVME " 1424d613b6a7SJames Smart "targetport: %p, private %p " 1425e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1426d613b6a7SJames Smart phba->targetport, tgtp, 1427e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1428e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1429e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1430d613b6a7SJames Smart 1431d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_in, 0); 1432d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_out, 0); 1433d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_drop, 0); 1434d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_abort, 0); 1435547077a4SJames Smart atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); 1436d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp, 0); 1437d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_drop, 0); 1438d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_error, 0); 14394b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_xb_set, 0); 14404b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_aborted, 0); 1441d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); 1442d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_in, 0); 1443d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_out, 0); 1444d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); 1445d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_drop, 0); 1446d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read_rsp, 0); 1447d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read, 0); 1448d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_write, 0); 1449d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp, 0); 1450547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_release, 0); 1451d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); 1452d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_error, 0); 14534b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_xb_set, 0); 14544b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_aborted, 0); 1455d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); 14564b056682SJames Smart atomic_set(&tgtp->xmt_fcp_xri_abort_cqe, 0); 1457547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort, 0); 1458547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); 1459547077a4SJames Smart atomic_set(&tgtp->xmt_abort_unsol, 0); 1460547077a4SJames Smart atomic_set(&tgtp->xmt_abort_sol, 0); 1461d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp, 0); 1462d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp_error, 0); 1463411de511SJames Smart atomic_set(&tgtp->defer_ctx, 0); 1464411de511SJames Smart atomic_set(&tgtp->defer_fod, 0); 1465411de511SJames Smart atomic_set(&tgtp->defer_wqfull, 0); 1466d613b6a7SJames Smart } 1467d613b6a7SJames Smart return error; 1468d613b6a7SJames Smart } 1469d613b6a7SJames Smart 1470d613b6a7SJames Smart int 1471d613b6a7SJames Smart lpfc_nvmet_update_targetport(struct lpfc_hba *phba) 1472d613b6a7SJames Smart { 1473d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1474d613b6a7SJames Smart 1475d613b6a7SJames Smart if (!phba->targetport) 1476d613b6a7SJames Smart return 0; 1477d613b6a7SJames Smart 1478d613b6a7SJames Smart lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, 1479d613b6a7SJames Smart "6007 Update NVMET port %p did x%x\n", 1480d613b6a7SJames Smart phba->targetport, vport->fc_myDID); 1481d613b6a7SJames Smart 1482d613b6a7SJames Smart phba->targetport->port_id = vport->fc_myDID; 1483d613b6a7SJames Smart return 0; 1484d613b6a7SJames Smart } 1485d613b6a7SJames Smart 1486318083adSJames Smart /** 1487318083adSJames Smart * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort 1488318083adSJames Smart * @phba: pointer to lpfc hba data structure. 1489318083adSJames Smart * @axri: pointer to the nvmet xri abort wcqe structure. 1490318083adSJames Smart * 1491318083adSJames Smart * This routine is invoked by the worker thread to process a SLI4 fast-path 1492318083adSJames Smart * NVMET aborted xri. 1493318083adSJames Smart **/ 1494318083adSJames Smart void 1495318083adSJames Smart lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 1496318083adSJames Smart struct sli4_wcqe_xri_aborted *axri) 1497318083adSJames Smart { 149886c67379SJames Smart uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); 149986c67379SJames Smart uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); 150086c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 15014b056682SJames Smart struct lpfc_nvmet_tgtport *tgtp; 150286c67379SJames Smart struct lpfc_nodelist *ndlp; 150386c67379SJames Smart unsigned long iflag = 0; 150486c67379SJames Smart int rrq_empty = 0; 150586c67379SJames Smart bool released = false; 150686c67379SJames Smart 150786c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 150886c67379SJames Smart "6317 XB aborted xri x%x rxid x%x\n", xri, rxid); 150986c67379SJames Smart 151086c67379SJames Smart if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 151186c67379SJames Smart return; 15124b056682SJames Smart 15134b056682SJames Smart if (phba->targetport) { 15144b056682SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 15154b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_xri_abort_cqe); 15164b056682SJames Smart } 15174b056682SJames Smart 151886c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 15195e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 152086c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 152186c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 152286c67379SJames Smart list) { 15236c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 152486c67379SJames Smart continue; 152586c67379SJames Smart 152686c67379SJames Smart /* Check if we already received a free context call 152786c67379SJames Smart * and we have completed processing an abort situation. 152886c67379SJames Smart */ 152986c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS && 153086c67379SJames Smart !(ctxp->flag & LPFC_NVMET_ABORT_OP)) { 153186c67379SJames Smart list_del(&ctxp->list); 153286c67379SJames Smart released = true; 153386c67379SJames Smart } 153486c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 15355e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 153686c67379SJames Smart 153786c67379SJames Smart rrq_empty = list_empty(&phba->active_rrq_list); 153886c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 153986c67379SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 154086c67379SJames Smart if (ndlp && NLP_CHK_NODE_ACT(ndlp) && 154186c67379SJames Smart (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || 154286c67379SJames Smart ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { 154386c67379SJames Smart lpfc_set_rrq_active(phba, ndlp, 15446c621a22SJames Smart ctxp->ctxbuf->sglq->sli4_lxritag, 154586c67379SJames Smart rxid, 1); 154686c67379SJames Smart lpfc_sli4_abts_err_handler(phba, ndlp, axri); 154786c67379SJames Smart } 154886c67379SJames Smart 154986c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1550ce1b591cSJames Smart "6318 XB aborted oxid %x flg x%x (%x)\n", 155186c67379SJames Smart ctxp->oxid, ctxp->flag, released); 155286c67379SJames Smart if (released) 15536c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 15546c621a22SJames Smart 155586c67379SJames Smart if (rrq_empty) 155686c67379SJames Smart lpfc_worker_wake_up(phba); 155786c67379SJames Smart return; 155886c67379SJames Smart } 15595e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 156086c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 156186c67379SJames Smart } 156286c67379SJames Smart 156386c67379SJames Smart int 156486c67379SJames Smart lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, 156586c67379SJames Smart struct fc_frame_header *fc_hdr) 156686c67379SJames Smart 156786c67379SJames Smart { 156886c67379SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 156986c67379SJames Smart struct lpfc_hba *phba = vport->phba; 157086c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 157186c67379SJames Smart struct nvmefc_tgt_fcp_req *rsp; 157286c67379SJames Smart uint16_t xri; 157386c67379SJames Smart unsigned long iflag = 0; 157486c67379SJames Smart 157586c67379SJames Smart xri = be16_to_cpu(fc_hdr->fh_ox_id); 157686c67379SJames Smart 157786c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 15785e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 157986c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 158086c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 158186c67379SJames Smart list) { 15826c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 158386c67379SJames Smart continue; 158486c67379SJames Smart 15855e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 158686c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 158786c67379SJames Smart 158886c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 158986c67379SJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 159086c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 159186c67379SJames Smart 159286c67379SJames Smart lpfc_nvmeio_data(phba, 159386c67379SJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 159486c67379SJames Smart xri, smp_processor_id(), 0); 159586c67379SJames Smart 159686c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 159786c67379SJames Smart "6319 NVMET Rcv ABTS:acc xri x%x\n", xri); 159886c67379SJames Smart 159986c67379SJames Smart rsp = &ctxp->ctx.fcp_req; 160086c67379SJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, rsp); 160186c67379SJames Smart 160286c67379SJames Smart /* Respond with BA_ACC accordingly */ 160386c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 160486c67379SJames Smart return 0; 160586c67379SJames Smart } 16065e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 160786c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 160886c67379SJames Smart 160986c67379SJames Smart lpfc_nvmeio_data(phba, "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 161086c67379SJames Smart xri, smp_processor_id(), 1); 161186c67379SJames Smart 161286c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 161386c67379SJames Smart "6320 NVMET Rcv ABTS:rjt xri x%x\n", xri); 161486c67379SJames Smart 161586c67379SJames Smart /* Respond with BA_RJT accordingly */ 161686c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0); 161786c67379SJames Smart #endif 1618b06e13c3SJens Axboe return 0; 1619318083adSJames Smart } 1620318083adSJames Smart 16216e8e1c14SJames Smart static void 16226e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, 16236e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 16246e8e1c14SJames Smart { 16256e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16266e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16276e8e1c14SJames Smart struct lpfc_iocbq *next_nvmewqeq; 16286e8e1c14SJames Smart unsigned long iflags; 16296e8e1c14SJames Smart struct lpfc_wcqe_complete wcqe; 16306e8e1c14SJames Smart struct lpfc_wcqe_complete *wcqep; 16316e8e1c14SJames Smart 16326e8e1c14SJames Smart pring = wq->pring; 16336e8e1c14SJames Smart wcqep = &wcqe; 16346e8e1c14SJames Smart 16356e8e1c14SJames Smart /* Fake an ABORT error code back to cmpl routine */ 16366e8e1c14SJames Smart memset(wcqep, 0, sizeof(struct lpfc_wcqe_complete)); 16376e8e1c14SJames Smart bf_set(lpfc_wcqe_c_status, wcqep, IOSTAT_LOCAL_REJECT); 16386e8e1c14SJames Smart wcqep->parameter = IOERR_ABORT_REQUESTED; 16396e8e1c14SJames Smart 16406e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16416e8e1c14SJames Smart list_for_each_entry_safe(nvmewqeq, next_nvmewqeq, 16426e8e1c14SJames Smart &wq->wqfull_list, list) { 16436e8e1c14SJames Smart if (ctxp) { 16446e8e1c14SJames Smart /* Checking for a specific IO to flush */ 16456e8e1c14SJames Smart if (nvmewqeq->context2 == ctxp) { 16466e8e1c14SJames Smart list_del(&nvmewqeq->list); 16476e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, 16486e8e1c14SJames Smart iflags); 16496e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, 16506e8e1c14SJames Smart wcqep); 16516e8e1c14SJames Smart return; 16526e8e1c14SJames Smart } 16536e8e1c14SJames Smart continue; 16546e8e1c14SJames Smart } else { 16556e8e1c14SJames Smart /* Flush all IOs */ 16566e8e1c14SJames Smart list_del(&nvmewqeq->list); 16576e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16586e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, wcqep); 16596e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16606e8e1c14SJames Smart } 16616e8e1c14SJames Smart } 16626e8e1c14SJames Smart if (!ctxp) 16636e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 16646e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16656e8e1c14SJames Smart } 16666e8e1c14SJames Smart 16676e8e1c14SJames Smart void 16686e8e1c14SJames Smart lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, 16696e8e1c14SJames Smart struct lpfc_queue *wq) 16706e8e1c14SJames Smart { 16716e8e1c14SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 16726e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16736e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16741fbf9742SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 16756e8e1c14SJames Smart unsigned long iflags; 16766e8e1c14SJames Smart int rc; 16776e8e1c14SJames Smart 16786e8e1c14SJames Smart /* 16796e8e1c14SJames Smart * Some WQE slots are available, so try to re-issue anything 16806e8e1c14SJames Smart * on the WQ wqfull_list. 16816e8e1c14SJames Smart */ 16826e8e1c14SJames Smart pring = wq->pring; 16836e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16846e8e1c14SJames Smart while (!list_empty(&wq->wqfull_list)) { 16856e8e1c14SJames Smart list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq, 16866e8e1c14SJames Smart list); 16876e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16881fbf9742SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)nvmewqeq->context2; 16891fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 16906e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16916e8e1c14SJames Smart if (rc == -EBUSY) { 16926e8e1c14SJames Smart /* WQ was full again, so put it back on the list */ 16936e8e1c14SJames Smart list_add(&nvmewqeq->list, &wq->wqfull_list); 16946e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16956e8e1c14SJames Smart return; 16966e8e1c14SJames Smart } 16976e8e1c14SJames Smart } 16986e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 16996e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 17006e8e1c14SJames Smart 17016e8e1c14SJames Smart #endif 17026e8e1c14SJames Smart } 17036e8e1c14SJames Smart 1704d613b6a7SJames Smart void 1705d613b6a7SJames Smart lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 1706d613b6a7SJames Smart { 17077d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1708d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 17096e8e1c14SJames Smart struct lpfc_queue *wq; 17106e8e1c14SJames Smart uint32_t qidx; 1711d613b6a7SJames Smart 1712d613b6a7SJames Smart if (phba->nvmet_support == 0) 1713d613b6a7SJames Smart return; 1714d613b6a7SJames Smart if (phba->targetport) { 1715d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1716cdb42becSJames Smart for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { 1717cdb42becSJames Smart wq = phba->sli4_hba.hdwq[qidx].nvme_wq; 17186e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, NULL); 17196e8e1c14SJames Smart } 1720d613b6a7SJames Smart init_completion(&tgtp->tport_unreg_done); 1721d613b6a7SJames Smart nvmet_fc_unregister_targetport(phba->targetport); 1722d613b6a7SJames Smart wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); 17236c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 1724d613b6a7SJames Smart } 1725d613b6a7SJames Smart phba->targetport = NULL; 1726166d7211SJames Smart #endif 1727d613b6a7SJames Smart } 1728d613b6a7SJames Smart 1729d613b6a7SJames Smart /** 1730d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer 1731d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1732d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1733d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1734d613b6a7SJames Smart * 1735d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1736d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1737d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1738d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1739d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1740d613b6a7SJames Smart * of the discovery state machine. 1741d613b6a7SJames Smart **/ 1742d613b6a7SJames Smart static void 1743d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1744d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf) 1745d613b6a7SJames Smart { 17467d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1747d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1748d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 1749d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1750d613b6a7SJames Smart uint32_t *payload; 1751d613b6a7SJames Smart uint32_t size, oxid, sid, rc; 1752d613b6a7SJames Smart 175368c9b55dSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 175468c9b55dSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 175568c9b55dSJames Smart 1756cc74e31dSColin Ian King if (!phba->targetport) { 1757d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 175868c9b55dSJames Smart "6154 LS Drop IO x%x\n", oxid); 17592b65e182SJames Smart oxid = 0; 17602b65e182SJames Smart size = 0; 17612b65e182SJames Smart sid = 0; 1762547077a4SJames Smart ctxp = NULL; 1763d613b6a7SJames Smart goto dropit; 1764d613b6a7SJames Smart } 1765d613b6a7SJames Smart 1766d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1767d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1768d613b6a7SJames Smart size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); 1769d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1770d613b6a7SJames Smart 1771d613b6a7SJames Smart ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC); 1772d613b6a7SJames Smart if (ctxp == NULL) { 1773d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1774d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1775d613b6a7SJames Smart "6155 LS Drop IO x%x: Alloc\n", 1776d613b6a7SJames Smart oxid); 1777d613b6a7SJames Smart dropit: 17782b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: " 17792b65e182SJames Smart "xri x%x sz %d from %06x\n", 17802b65e182SJames Smart oxid, size, sid); 1781d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1782d613b6a7SJames Smart return; 1783d613b6a7SJames Smart } 1784d613b6a7SJames Smart ctxp->phba = phba; 1785d613b6a7SJames Smart ctxp->size = size; 1786d613b6a7SJames Smart ctxp->oxid = oxid; 1787d613b6a7SJames Smart ctxp->sid = sid; 1788d613b6a7SJames Smart ctxp->wqeq = NULL; 1789ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RCV; 1790ce1b591cSJames Smart ctxp->entry_cnt = 1; 1791d613b6a7SJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 17921fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[0]; 17932b65e182SJames Smart 17942b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n", 17952b65e182SJames Smart oxid, size, sid); 1796d613b6a7SJames Smart /* 1797d613b6a7SJames Smart * The calling sequence should be: 1798d613b6a7SJames Smart * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done 1799d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp. 1800d613b6a7SJames Smart */ 1801d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_in); 1802d613b6a7SJames Smart rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req, 1803d613b6a7SJames Smart payload, size); 1804d613b6a7SJames Smart 1805d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1806ce1b591cSJames Smart "6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x " 1807ce1b591cSJames Smart "%08x %08x %08x\n", size, rc, 1808d613b6a7SJames Smart *payload, *(payload+1), *(payload+2), 1809d613b6a7SJames Smart *(payload+3), *(payload+4), *(payload+5)); 18102b65e182SJames Smart 1811d613b6a7SJames Smart if (rc == 0) { 1812d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_out); 1813d613b6a7SJames Smart return; 1814d613b6a7SJames Smart } 18152b65e182SJames Smart 18162b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n", 18172b65e182SJames Smart oxid, size, sid); 18182b65e182SJames Smart 1819d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1820d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1821d613b6a7SJames Smart "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n", 1822d613b6a7SJames Smart ctxp->oxid, rc); 1823d613b6a7SJames Smart 1824d613b6a7SJames Smart /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ 1825d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1826d613b6a7SJames Smart 1827d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_abort); 1828d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); 1829166d7211SJames Smart #endif 1830d613b6a7SJames Smart } 1831d613b6a7SJames Smart 1832472e146dSJames Smart static void 1833472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf) 1834472e146dSJames Smart { 1835472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1836472e146dSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 1837472e146dSJames Smart struct lpfc_hba *phba = ctxp->phba; 1838472e146dSJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 1839472e146dSJames Smart struct lpfc_nvmet_tgtport *tgtp; 1840472e146dSJames Smart uint32_t *payload; 1841472e146dSJames Smart uint32_t rc; 1842472e146dSJames Smart unsigned long iflags; 1843472e146dSJames Smart 1844472e146dSJames Smart if (!nvmebuf) { 1845472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1846472e146dSJames Smart "6159 process_rcv_fcp_req, nvmebuf is NULL, " 1847472e146dSJames Smart "oxid: x%x flg: x%x state: x%x\n", 1848472e146dSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1849472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 1850472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 1851472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 1852472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1853472e146dSJames Smart ctxp->oxid); 1854472e146dSJames Smart return; 1855472e146dSJames Smart } 1856472e146dSJames Smart 1857472e146dSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1858472e146dSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1859472e146dSJames Smart /* 1860472e146dSJames Smart * The calling sequence should be: 1861472e146dSJames Smart * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done 1862472e146dSJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 1863472e146dSJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info 1864472e146dSJames Smart * the NVME command / FC header is stored. 1865472e146dSJames Smart * A buffer has already been reposted for this IO, so just free 1866472e146dSJames Smart * the nvmebuf. 1867472e146dSJames Smart */ 1868472e146dSJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 1869472e146dSJames Smart payload, ctxp->size); 1870472e146dSJames Smart /* Process FCP command */ 1871472e146dSJames Smart if (rc == 0) { 1872472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 1873472e146dSJames Smart return; 1874472e146dSJames Smart } 1875472e146dSJames Smart 1876472e146dSJames Smart /* Processing of FCP command is deferred */ 1877472e146dSJames Smart if (rc == -EOVERFLOW) { 1878472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET RCV BUSY: xri x%x sz %d " 1879472e146dSJames Smart "from %06x\n", 1880472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 1881472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 1882472e146dSJames Smart atomic_inc(&tgtp->defer_fod); 1883472e146dSJames Smart return; 1884472e146dSJames Smart } 1885472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 1886472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1887472e146dSJames Smart "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 1888472e146dSJames Smart ctxp->oxid, rc, 1889472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 1890472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 1891472e146dSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 1892472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", 1893472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 1894472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 1895472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 1896472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 1897472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 1898472e146dSJames Smart #endif 1899472e146dSJames Smart } 1900472e146dSJames Smart 1901472e146dSJames Smart static void 1902472e146dSJames Smart lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *work) 1903472e146dSJames Smart { 1904472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1905472e146dSJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf = 1906472e146dSJames Smart container_of(work, struct lpfc_nvmet_ctxbuf, defer_work); 1907472e146dSJames Smart 1908472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 1909472e146dSJames Smart #endif 1910472e146dSJames Smart } 1911472e146dSJames Smart 191266d7ce93SDick Kennedy static struct lpfc_nvmet_ctxbuf * 191366d7ce93SDick Kennedy lpfc_nvmet_replenish_context(struct lpfc_hba *phba, 191466d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop) 191566d7ce93SDick Kennedy { 19162299e432SDick Kennedy #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 191766d7ce93SDick Kennedy struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; 191866d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *get_infop; 191966d7ce93SDick Kennedy int i; 192066d7ce93SDick Kennedy 192166d7ce93SDick Kennedy /* 192266d7ce93SDick Kennedy * The current_infop for the MRQ a NVME command IU was received 192366d7ce93SDick Kennedy * on is empty. Our goal is to replenish this MRQs context 192466d7ce93SDick Kennedy * list from a another CPUs. 192566d7ce93SDick Kennedy * 192666d7ce93SDick Kennedy * First we need to pick a context list to start looking on. 192766d7ce93SDick Kennedy * nvmet_ctx_start_cpu has available context the last time 192866d7ce93SDick Kennedy * we needed to replenish this CPU where nvmet_ctx_next_cpu 192966d7ce93SDick Kennedy * is just the next sequential CPU for this MRQ. 193066d7ce93SDick Kennedy */ 193166d7ce93SDick Kennedy if (current_infop->nvmet_ctx_start_cpu) 193266d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_start_cpu; 193366d7ce93SDick Kennedy else 193466d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_next_cpu; 193566d7ce93SDick Kennedy 1936222e9239SJames Smart for (i = 0; i < phba->sli4_hba.num_possible_cpu; i++) { 193766d7ce93SDick Kennedy if (get_infop == current_infop) { 193866d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 193966d7ce93SDick Kennedy continue; 194066d7ce93SDick Kennedy } 194166d7ce93SDick Kennedy spin_lock(&get_infop->nvmet_ctx_list_lock); 194266d7ce93SDick Kennedy 194366d7ce93SDick Kennedy /* Just take the entire context list, if there are any */ 194466d7ce93SDick Kennedy if (get_infop->nvmet_ctx_list_cnt) { 194566d7ce93SDick Kennedy list_splice_init(&get_infop->nvmet_ctx_list, 194666d7ce93SDick Kennedy ¤t_infop->nvmet_ctx_list); 194766d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt = 194866d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt - 1; 194966d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt = 0; 195066d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 195166d7ce93SDick Kennedy 195266d7ce93SDick Kennedy current_infop->nvmet_ctx_start_cpu = get_infop; 195366d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 195466d7ce93SDick Kennedy ctx_buf, struct lpfc_nvmet_ctxbuf, 195566d7ce93SDick Kennedy list); 195666d7ce93SDick Kennedy return ctx_buf; 195766d7ce93SDick Kennedy } 195866d7ce93SDick Kennedy 195966d7ce93SDick Kennedy /* Otherwise, move on to the next CPU for this MRQ */ 196066d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 196166d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 196266d7ce93SDick Kennedy } 196366d7ce93SDick Kennedy 19642299e432SDick Kennedy #endif 196566d7ce93SDick Kennedy /* Nothing found, all contexts for the MRQ are in-flight */ 196666d7ce93SDick Kennedy return NULL; 196766d7ce93SDick Kennedy } 196866d7ce93SDick Kennedy 1969d613b6a7SJames Smart /** 1970d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer 1971d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 197266d7ce93SDick Kennedy * @idx: relative index of MRQ vector 1973d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1974d613b6a7SJames Smart * 1975d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1976d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1977d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1978d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1979d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1980d613b6a7SJames Smart * of the discovery state machine. 1981d613b6a7SJames Smart **/ 1982d613b6a7SJames Smart static void 1983d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 198466d7ce93SDick Kennedy uint32_t idx, 1985d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 1986d613b6a7SJames Smart uint64_t isr_timestamp) 1987d613b6a7SJames Smart { 1988d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1989d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1990d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 19916c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 199266d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop; 1993d613b6a7SJames Smart uint32_t *payload; 1994472e146dSJames Smart uint32_t size, oxid, sid, qno; 19956c621a22SJames Smart unsigned long iflag; 199666d7ce93SDick Kennedy int current_cpu; 1997d613b6a7SJames Smart 199873626173SArnd Bergmann if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) 199973626173SArnd Bergmann return; 200073626173SArnd Bergmann 20016c621a22SJames Smart ctx_buf = NULL; 2002d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 2003d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 20046c621a22SJames Smart "6157 NVMET FCP Drop IO\n"); 2005472e146dSJames Smart if (nvmebuf) 2006472e146dSJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2007472e146dSJames Smart return; 2008d613b6a7SJames Smart } 2009d613b6a7SJames Smart 201066d7ce93SDick Kennedy /* 201166d7ce93SDick Kennedy * Get a pointer to the context list for this MRQ based on 201266d7ce93SDick Kennedy * the CPU this MRQ IRQ is associated with. If the CPU association 201366d7ce93SDick Kennedy * changes from our initial assumption, the context list could 201466d7ce93SDick Kennedy * be empty, thus it would need to be replenished with the 201566d7ce93SDick Kennedy * context list from another CPU for this MRQ. 201666d7ce93SDick Kennedy */ 201766d7ce93SDick Kennedy current_cpu = smp_processor_id(); 201866d7ce93SDick Kennedy current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); 201966d7ce93SDick Kennedy spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); 202066d7ce93SDick Kennedy if (current_infop->nvmet_ctx_list_cnt) { 202166d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 20226c621a22SJames Smart ctx_buf, struct lpfc_nvmet_ctxbuf, list); 202366d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt--; 2024966bb5b7SJames Smart } else { 202566d7ce93SDick Kennedy ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); 20266c621a22SJames Smart } 202766d7ce93SDick Kennedy spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); 20286c621a22SJames Smart 2029a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 2030a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 2031a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 2032a8cf5dfeSJames Smart 2033a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2034a8cf5dfeSJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { 203563df6d63SJames Smart if (current_cpu < LPFC_CHECK_CPU_CNT) { 203663df6d63SJames Smart if (idx != current_cpu) 203763df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 203863df6d63SJames Smart "6703 CPU Check rcv: " 203963df6d63SJames Smart "cpu %d expect %d\n", 204063df6d63SJames Smart current_cpu, idx); 204163df6d63SJames Smart phba->sli4_hba.hdwq[idx].cpucheck_rcv_io[current_cpu]++; 204263df6d63SJames Smart } 2043a8cf5dfeSJames Smart } 2044a8cf5dfeSJames Smart #endif 2045a8cf5dfeSJames Smart 2046a8cf5dfeSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", 2047a8cf5dfeSJames Smart oxid, size, smp_processor_id()); 2048a8cf5dfeSJames Smart 2049411de511SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2050411de511SJames Smart 20516c621a22SJames Smart if (!ctx_buf) { 2052a8cf5dfeSJames Smart /* Queue this NVME IO to process later */ 2053a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 2054a8cf5dfeSJames Smart list_add_tail(&nvmebuf->hbuf.list, 2055a8cf5dfeSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list); 2056a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt++; 2057a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_total++; 2058a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 2059a8cf5dfeSJames Smart iflag); 2060a8cf5dfeSJames Smart 2061a8cf5dfeSJames Smart /* Post a brand new DMA buffer to RQ */ 2062a8cf5dfeSJames Smart qno = nvmebuf->idx; 2063a8cf5dfeSJames Smart lpfc_post_rq_buffer( 2064a8cf5dfeSJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 2065a8cf5dfeSJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 2066411de511SJames Smart 2067411de511SJames Smart atomic_inc(&tgtp->defer_ctx); 2068a8cf5dfeSJames Smart return; 20696c621a22SJames Smart } 2070d613b6a7SJames Smart 2071d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 2072d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 2073d613b6a7SJames Smart 20746c621a22SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 2075ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_FREE) { 2076ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2077ce1b591cSJames Smart "6414 NVMET Context corrupt %d %d oxid x%x\n", 2078ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 2079ce1b591cSJames Smart } 2080d613b6a7SJames Smart ctxp->wqeq = NULL; 2081d613b6a7SJames Smart ctxp->txrdy = NULL; 2082d613b6a7SJames Smart ctxp->offset = 0; 2083d613b6a7SJames Smart ctxp->phba = phba; 2084d613b6a7SJames Smart ctxp->size = size; 2085d613b6a7SJames Smart ctxp->oxid = oxid; 2086d613b6a7SJames Smart ctxp->sid = sid; 208766d7ce93SDick Kennedy ctxp->idx = idx; 2088d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 2089d613b6a7SJames Smart ctxp->entry_cnt = 1; 2090d613b6a7SJames Smart ctxp->flag = 0; 20916c621a22SJames Smart ctxp->ctxbuf = ctx_buf; 2092cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 20931fbf9742SJames Smart ctxp->hdwq = NULL; 20942b7824d0SJames Smart spin_lock_init(&ctxp->ctxlock); 2095d613b6a7SJames Smart 20962b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2097c8a4ce0bSDick Kennedy if (isr_timestamp) { 20982b65e182SJames Smart ctxp->ts_isr_cmd = isr_timestamp; 20992b65e182SJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 21002b65e182SJames Smart ctxp->ts_nvme_data = 0; 21012b65e182SJames Smart ctxp->ts_data_wqput = 0; 21022b65e182SJames Smart ctxp->ts_isr_data = 0; 21032b65e182SJames Smart ctxp->ts_data_nvme = 0; 21042b65e182SJames Smart ctxp->ts_nvme_status = 0; 21052b65e182SJames Smart ctxp->ts_status_wqput = 0; 21062b65e182SJames Smart ctxp->ts_isr_status = 0; 21072b65e182SJames Smart ctxp->ts_status_nvme = 0; 2108c8a4ce0bSDick Kennedy } else { 2109c8a4ce0bSDick Kennedy ctxp->ts_cmd_nvme = 0; 21102b65e182SJames Smart } 21112b65e182SJames Smart #endif 21122b65e182SJames Smart 2113d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 2114472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 2115d613b6a7SJames Smart } 2116d613b6a7SJames Smart 2117d613b6a7SJames Smart /** 2118d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport 2119d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 2120d613b6a7SJames Smart * @pring: pointer to a SLI ring. 2121d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2122d613b6a7SJames Smart * 2123d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2124d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2125d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2126d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the 2127d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2128d613b6a7SJames Smart **/ 2129d613b6a7SJames Smart void 2130d613b6a7SJames Smart lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 2131d613b6a7SJames Smart struct lpfc_iocbq *piocb) 2132d613b6a7SJames Smart { 2133d613b6a7SJames Smart struct lpfc_dmabuf *d_buf; 2134d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf; 2135d613b6a7SJames Smart 2136d613b6a7SJames Smart d_buf = piocb->context2; 2137d613b6a7SJames Smart nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); 2138d613b6a7SJames Smart 2139d613b6a7SJames Smart if (phba->nvmet_support == 0) { 2140d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 2141d613b6a7SJames Smart return; 2142d613b6a7SJames Smart } 2143d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf); 2144d613b6a7SJames Smart } 2145d613b6a7SJames Smart 2146d613b6a7SJames Smart /** 2147d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport 2148d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 214966d7ce93SDick Kennedy * @idx: relative index of MRQ vector 2150d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2151d613b6a7SJames Smart * 2152d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2153d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2154d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2155d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the 2156d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2157d613b6a7SJames Smart **/ 2158d613b6a7SJames Smart void 2159d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, 216066d7ce93SDick Kennedy uint32_t idx, 2161d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 2162d613b6a7SJames Smart uint64_t isr_timestamp) 2163d613b6a7SJames Smart { 2164d613b6a7SJames Smart if (phba->nvmet_support == 0) { 21656c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2166d613b6a7SJames Smart return; 2167d613b6a7SJames Smart } 216866d7ce93SDick Kennedy lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, 2169d613b6a7SJames Smart isr_timestamp); 2170d613b6a7SJames Smart } 2171d613b6a7SJames Smart 2172d613b6a7SJames Smart /** 2173d613b6a7SJames Smart * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure 2174d613b6a7SJames Smart * @phba: pointer to a host N_Port data structure. 2175d613b6a7SJames Smart * @ctxp: Context info for NVME LS Request 2176d613b6a7SJames Smart * @rspbuf: DMA buffer of NVME command. 2177d613b6a7SJames Smart * @rspsize: size of the NVME command. 2178d613b6a7SJames Smart * 2179d613b6a7SJames Smart * This routine is used for allocating a lpfc-WQE data structure from 2180d613b6a7SJames Smart * the driver lpfc-WQE free-list and prepare the WQE with the parameters 2181d613b6a7SJames Smart * passed into the routine for discovery state machine to issue an Extended 2182d613b6a7SJames Smart * Link Service (NVME) commands. It is a generic lpfc-WQE allocation 2183d613b6a7SJames Smart * and preparation routine that is used by all the discovery state machine 2184d613b6a7SJames Smart * routines and the NVME command-specific fields will be later set up by 2185d613b6a7SJames Smart * the individual discovery machine routines after calling this routine 2186d613b6a7SJames Smart * allocating and preparing a generic WQE data structure. It fills in the 2187d613b6a7SJames Smart * Buffer Descriptor Entries (BDEs), allocates buffers for both command 2188d613b6a7SJames Smart * payload and response payload (if expected). The reference count on the 2189d613b6a7SJames Smart * ndlp is incremented by 1 and the reference to the ndlp is put into 2190d613b6a7SJames Smart * context1 of the WQE data structure for this WQE to hold the ndlp 2191d613b6a7SJames Smart * reference for the command's callback function to access later. 2192d613b6a7SJames Smart * 2193d613b6a7SJames Smart * Return code 2194d613b6a7SJames Smart * Pointer to the newly allocated/prepared nvme wqe data structure 2195d613b6a7SJames Smart * NULL - when nvme wqe data structure allocation/preparation failed 2196d613b6a7SJames Smart **/ 2197d613b6a7SJames Smart static struct lpfc_iocbq * 2198d613b6a7SJames Smart lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, 2199d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2200d613b6a7SJames Smart dma_addr_t rspbuf, uint16_t rspsize) 2201d613b6a7SJames Smart { 2202d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2203d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2204205e8240SJames Smart union lpfc_wqe128 *wqe; 2205d613b6a7SJames Smart 2206d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2207d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2208ce1b591cSJames Smart "6104 NVMET prep LS wqe: link err: " 2209ce1b591cSJames Smart "NPORT x%x oxid:x%x ste %d\n", 2210ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2211d613b6a7SJames Smart return NULL; 2212d613b6a7SJames Smart } 2213d613b6a7SJames Smart 2214d613b6a7SJames Smart /* Allocate buffer for command wqe */ 2215d613b6a7SJames Smart nvmewqe = lpfc_sli_get_iocbq(phba); 2216d613b6a7SJames Smart if (nvmewqe == NULL) { 2217d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2218ce1b591cSJames Smart "6105 NVMET prep LS wqe: No WQE: " 2219ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2220ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2221d613b6a7SJames Smart return NULL; 2222d613b6a7SJames Smart } 2223d613b6a7SJames Smart 2224d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2225d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2226d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2227d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2228d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2229ce1b591cSJames Smart "6106 NVMET prep LS wqe: No ndlp: " 2230ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2231ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2232d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2233d613b6a7SJames Smart } 2234d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2235d613b6a7SJames Smart 2236d613b6a7SJames Smart /* prevent preparing wqe with NULL ndlp reference */ 2237d613b6a7SJames Smart nvmewqe->context1 = lpfc_nlp_get(ndlp); 2238d613b6a7SJames Smart if (nvmewqe->context1 == NULL) 2239d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2240d613b6a7SJames Smart nvmewqe->context2 = ctxp; 2241d613b6a7SJames Smart 2242d613b6a7SJames Smart wqe = &nvmewqe->wqe; 2243d613b6a7SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 2244d613b6a7SJames Smart 2245d613b6a7SJames Smart /* Words 0 - 2 */ 2246d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2247d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeSize = rspsize; 2248d613b6a7SJames Smart wqe->xmit_sequence.bde.addrLow = le32_to_cpu(putPaddrLow(rspbuf)); 2249d613b6a7SJames Smart wqe->xmit_sequence.bde.addrHigh = le32_to_cpu(putPaddrHigh(rspbuf)); 2250d613b6a7SJames Smart 2251d613b6a7SJames Smart /* Word 3 */ 2252d613b6a7SJames Smart 2253d613b6a7SJames Smart /* Word 4 */ 2254d613b6a7SJames Smart 2255d613b6a7SJames Smart /* Word 5 */ 2256d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); 2257d613b6a7SJames Smart bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); 2258d613b6a7SJames Smart bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); 22598b361639SJames Smart bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); 2260d613b6a7SJames Smart bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); 2261d613b6a7SJames Smart 2262d613b6a7SJames Smart /* Word 6 */ 2263d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, 2264d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2265d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->xmit_sequence.wqe_com, nvmewqe->sli4_xritag); 2266d613b6a7SJames Smart 2267d613b6a7SJames Smart /* Word 7 */ 2268d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, 2269d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2270d613b6a7SJames Smart bf_set(wqe_ct, &wqe->xmit_sequence.wqe_com, SLI4_CT_RPI); 2271d613b6a7SJames Smart bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); 2272d613b6a7SJames Smart bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); 2273d613b6a7SJames Smart 2274d613b6a7SJames Smart /* Word 8 */ 2275d613b6a7SJames Smart wqe->xmit_sequence.wqe_com.abort_tag = nvmewqe->iotag; 2276d613b6a7SJames Smart 2277d613b6a7SJames Smart /* Word 9 */ 2278d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->xmit_sequence.wqe_com, nvmewqe->iotag); 2279d613b6a7SJames Smart /* Needs to be set by caller */ 2280d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ctxp->oxid); 2281d613b6a7SJames Smart 2282d613b6a7SJames Smart /* Word 10 */ 2283d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); 2284d613b6a7SJames Smart bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2285d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, 2286d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2287d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); 2288d613b6a7SJames Smart 2289d613b6a7SJames Smart /* Word 11 */ 2290d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->xmit_sequence.wqe_com, 2291d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2292d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->xmit_sequence.wqe_com, 2293d613b6a7SJames Smart OTHER_COMMAND); 2294d613b6a7SJames Smart 2295d613b6a7SJames Smart /* Word 12 */ 2296d613b6a7SJames Smart wqe->xmit_sequence.xmit_len = rspsize; 2297d613b6a7SJames Smart 2298d613b6a7SJames Smart nvmewqe->retry = 1; 2299d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2300d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2301d613b6a7SJames Smart nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; 2302d613b6a7SJames Smart 2303ce1b591cSJames Smart /* Xmit NVMET response to remote NPORT <did> */ 2304d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 2305ce1b591cSJames Smart "6039 Xmit NVMET LS response to remote " 2306d613b6a7SJames Smart "NPORT x%x iotag:x%x oxid:x%x size:x%x\n", 2307d613b6a7SJames Smart ndlp->nlp_DID, nvmewqe->iotag, ctxp->oxid, 2308d613b6a7SJames Smart rspsize); 2309d613b6a7SJames Smart return nvmewqe; 2310d613b6a7SJames Smart 2311d613b6a7SJames Smart nvme_wqe_free_wqeq_exit: 2312d613b6a7SJames Smart nvmewqe->context2 = NULL; 2313d613b6a7SJames Smart nvmewqe->context3 = NULL; 2314d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, nvmewqe); 2315d613b6a7SJames Smart return NULL; 2316d613b6a7SJames Smart } 2317d613b6a7SJames Smart 2318d613b6a7SJames Smart 2319d613b6a7SJames Smart static struct lpfc_iocbq * 2320d613b6a7SJames Smart lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, 2321d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 2322d613b6a7SJames Smart { 2323d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req; 2324d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2325d613b6a7SJames Smart struct sli4_sge *sgl; 2326d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2327d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2328d613b6a7SJames Smart struct scatterlist *sgel; 2329d613b6a7SJames Smart union lpfc_wqe128 *wqe; 23300bc2b7c5SJames Smart struct ulp_bde64 *bde; 2331d613b6a7SJames Smart uint32_t *txrdy; 2332d613b6a7SJames Smart dma_addr_t physaddr; 2333d613b6a7SJames Smart int i, cnt; 23340bc2b7c5SJames Smart int do_pbde; 2335d613b6a7SJames Smart int xc = 1; 2336d613b6a7SJames Smart 2337d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2338d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2339ce1b591cSJames Smart "6107 NVMET prep FCP wqe: link err:" 2340ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2341ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2342d613b6a7SJames Smart return NULL; 2343d613b6a7SJames Smart } 2344d613b6a7SJames Smart 2345d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2346d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2347d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2348d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2349d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2350ce1b591cSJames Smart "6108 NVMET prep FCP wqe: no ndlp: " 2351ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2352ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2353d613b6a7SJames Smart return NULL; 2354d613b6a7SJames Smart } 2355d613b6a7SJames Smart 235681e6a637SJames Smart if (rsp->sg_cnt > lpfc_tgttemplate.max_sgl_segments) { 2357d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2358ce1b591cSJames Smart "6109 NVMET prep FCP wqe: seg cnt err: " 2359ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d cnt %d\n", 2360ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state, 2361ce1b591cSJames Smart phba->cfg_nvme_seg_cnt); 2362d613b6a7SJames Smart return NULL; 2363d613b6a7SJames Smart } 2364d613b6a7SJames Smart 2365d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2366d613b6a7SJames Smart nvmewqe = ctxp->wqeq; 2367d613b6a7SJames Smart if (nvmewqe == NULL) { 2368d613b6a7SJames Smart /* Allocate buffer for command wqe */ 23696c621a22SJames Smart nvmewqe = ctxp->ctxbuf->iocbq; 2370d613b6a7SJames Smart if (nvmewqe == NULL) { 2371d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2372ce1b591cSJames Smart "6110 NVMET prep FCP wqe: No " 2373ce1b591cSJames Smart "WQE: NPORT x%x oxid x%x ste %d\n", 2374ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2375d613b6a7SJames Smart return NULL; 2376d613b6a7SJames Smart } 2377d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2378d613b6a7SJames Smart xc = 0; /* create new XRI */ 2379d613b6a7SJames Smart nvmewqe->sli4_lxritag = NO_XRI; 2380d613b6a7SJames Smart nvmewqe->sli4_xritag = NO_XRI; 2381d613b6a7SJames Smart } 2382d613b6a7SJames Smart 2383d613b6a7SJames Smart /* Sanity check */ 2384d613b6a7SJames Smart if (((ctxp->state == LPFC_NVMET_STE_RCV) && 2385d613b6a7SJames Smart (ctxp->entry_cnt == 1)) || 2386ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_DATA)) { 2387205e8240SJames Smart wqe = &nvmewqe->wqe; 2388d613b6a7SJames Smart } else { 2389d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2390ce1b591cSJames Smart "6111 Wrong state NVMET FCP: %d cnt %d\n", 2391ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt); 2392d613b6a7SJames Smart return NULL; 2393d613b6a7SJames Smart } 2394d613b6a7SJames Smart 23956c621a22SJames Smart sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; 2396d613b6a7SJames Smart switch (rsp->op) { 2397d613b6a7SJames Smart case NVMET_FCOP_READDATA: 2398d613b6a7SJames Smart case NVMET_FCOP_READDATA_RSP: 2399bd3061baSJames Smart /* From the tsend template, initialize words 7 - 11 */ 2400bd3061baSJames Smart memcpy(&wqe->words[7], 2401bd3061baSJames Smart &lpfc_tsend_cmd_template.words[7], 2402bd3061baSJames Smart sizeof(uint32_t) * 5); 2403bd3061baSJames Smart 2404d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2405d613b6a7SJames Smart sgel = &rsp->sg[0]; 2406d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2407d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2408d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeSize = sg_dma_len(sgel); 2409d613b6a7SJames Smart wqe->fcp_tsend.bde.addrLow = cpu_to_le32(putPaddrLow(physaddr)); 2410d613b6a7SJames Smart wqe->fcp_tsend.bde.addrHigh = 2411d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2412d613b6a7SJames Smart 2413d613b6a7SJames Smart /* Word 3 */ 2414d613b6a7SJames Smart wqe->fcp_tsend.payload_offset_len = 0; 2415d613b6a7SJames Smart 2416d613b6a7SJames Smart /* Word 4 */ 2417d613b6a7SJames Smart wqe->fcp_tsend.relative_offset = ctxp->offset; 2418d613b6a7SJames Smart 2419d613b6a7SJames Smart /* Word 5 */ 2420bd3061baSJames Smart wqe->fcp_tsend.reserved = 0; 2421d613b6a7SJames Smart 2422d613b6a7SJames Smart /* Word 6 */ 2423d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_tsend.wqe_com, 2424d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2425d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_tsend.wqe_com, 2426d613b6a7SJames Smart nvmewqe->sli4_xritag); 2427d613b6a7SJames Smart 2428bd3061baSJames Smart /* Word 7 - set ar later */ 2429d613b6a7SJames Smart 2430d613b6a7SJames Smart /* Word 8 */ 2431d613b6a7SJames Smart wqe->fcp_tsend.wqe_com.abort_tag = nvmewqe->iotag; 2432d613b6a7SJames Smart 2433d613b6a7SJames Smart /* Word 9 */ 2434d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_tsend.wqe_com, nvmewqe->iotag); 2435d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_tsend.wqe_com, ctxp->oxid); 2436d613b6a7SJames Smart 2437bd3061baSJames Smart /* Word 10 - set wqes later, in template xc=1 */ 2438bd3061baSJames Smart if (!xc) 2439bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 0); 2440d613b6a7SJames Smart 2441bd3061baSJames Smart /* Word 11 - set sup, irsp, irsplen later */ 2442bd3061baSJames Smart do_pbde = 0; 2443d613b6a7SJames Smart 2444d613b6a7SJames Smart /* Word 12 */ 2445d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2446d613b6a7SJames Smart 2447d613b6a7SJames Smart /* Setup 2 SKIP SGEs */ 2448d613b6a7SJames Smart sgl->addr_hi = 0; 2449d613b6a7SJames Smart sgl->addr_lo = 0; 2450d613b6a7SJames Smart sgl->word2 = 0; 2451d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2452d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2453d613b6a7SJames Smart sgl->sge_len = 0; 2454d613b6a7SJames Smart sgl++; 2455d613b6a7SJames Smart sgl->addr_hi = 0; 2456d613b6a7SJames Smart sgl->addr_lo = 0; 2457d613b6a7SJames Smart sgl->word2 = 0; 2458d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2459d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2460d613b6a7SJames Smart sgl->sge_len = 0; 2461d613b6a7SJames Smart sgl++; 2462d613b6a7SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 2463d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read_rsp); 2464bd3061baSJames Smart 2465bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2466bd3061baSJames Smart 246720aefac3SJames Smart if (rsp->rsplen == LPFC_NVMET_SUCCESS_LEN) { 246820aefac3SJames Smart if (ndlp->nlp_flag & NLP_SUPPRESS_RSP) 246920aefac3SJames Smart bf_set(wqe_sup, 247020aefac3SJames Smart &wqe->fcp_tsend.wqe_com, 1); 2471d613b6a7SJames Smart } else { 2472d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 1); 2473d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 1); 2474d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 2475d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2476d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, 2477d613b6a7SJames Smart rsp->rsplen); 2478d613b6a7SJames Smart } 2479d613b6a7SJames Smart } else { 2480d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read); 2481d613b6a7SJames Smart 2482bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2483d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 0); 2484d613b6a7SJames Smart } 2485d613b6a7SJames Smart break; 2486d613b6a7SJames Smart 2487d613b6a7SJames Smart case NVMET_FCOP_WRITEDATA: 2488bd3061baSJames Smart /* From the treceive template, initialize words 3 - 11 */ 2489bd3061baSJames Smart memcpy(&wqe->words[3], 2490bd3061baSJames Smart &lpfc_treceive_cmd_template.words[3], 2491bd3061baSJames Smart sizeof(uint32_t) * 9); 2492bd3061baSJames Smart 2493d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2494771db5c0SRomain Perier txrdy = dma_pool_alloc(phba->txrdy_payload_pool, 2495d613b6a7SJames Smart GFP_KERNEL, &physaddr); 2496d613b6a7SJames Smart if (!txrdy) { 2497d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2498d613b6a7SJames Smart "6041 Bad txrdy buffer: oxid x%x\n", 2499d613b6a7SJames Smart ctxp->oxid); 2500d613b6a7SJames Smart return NULL; 2501d613b6a7SJames Smart } 2502d613b6a7SJames Smart ctxp->txrdy = txrdy; 2503d613b6a7SJames Smart ctxp->txrdy_phys = physaddr; 2504d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2505d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN; 2506d613b6a7SJames Smart wqe->fcp_treceive.bde.addrLow = 2507d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2508d613b6a7SJames Smart wqe->fcp_treceive.bde.addrHigh = 2509d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2510d613b6a7SJames Smart 2511d613b6a7SJames Smart /* Word 4 */ 2512d613b6a7SJames Smart wqe->fcp_treceive.relative_offset = ctxp->offset; 2513d613b6a7SJames Smart 2514d613b6a7SJames Smart /* Word 6 */ 2515d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_treceive.wqe_com, 2516d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2517d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_treceive.wqe_com, 2518d613b6a7SJames Smart nvmewqe->sli4_xritag); 2519d613b6a7SJames Smart 2520d613b6a7SJames Smart /* Word 7 */ 2521d613b6a7SJames Smart 2522d613b6a7SJames Smart /* Word 8 */ 2523d613b6a7SJames Smart wqe->fcp_treceive.wqe_com.abort_tag = nvmewqe->iotag; 2524d613b6a7SJames Smart 2525d613b6a7SJames Smart /* Word 9 */ 2526d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_treceive.wqe_com, nvmewqe->iotag); 2527d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_treceive.wqe_com, ctxp->oxid); 2528d613b6a7SJames Smart 2529bd3061baSJames Smart /* Word 10 - in template xc=1 */ 2530bd3061baSJames Smart if (!xc) 2531bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_treceive.wqe_com, 0); 2532d613b6a7SJames Smart 2533bd3061baSJames Smart /* Word 11 - set pbde later */ 2534414abe0aSJames Smart if (phba->cfg_enable_pbde) { 2535bd3061baSJames Smart do_pbde = 1; 2536bd3061baSJames Smart } else { 2537bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 0); 2538bd3061baSJames Smart do_pbde = 0; 2539bd3061baSJames Smart } 2540d613b6a7SJames Smart 2541d613b6a7SJames Smart /* Word 12 */ 2542d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2543d613b6a7SJames Smart 2544d613b6a7SJames Smart /* Setup 1 TXRDY and 1 SKIP SGE */ 2545d613b6a7SJames Smart txrdy[0] = 0; 2546d613b6a7SJames Smart txrdy[1] = cpu_to_be32(rsp->transfer_length); 2547d613b6a7SJames Smart txrdy[2] = 0; 2548d613b6a7SJames Smart 2549d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2550d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2551d613b6a7SJames Smart sgl->word2 = 0; 2552d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2553d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2554d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN); 2555d613b6a7SJames Smart sgl++; 2556d613b6a7SJames Smart sgl->addr_hi = 0; 2557d613b6a7SJames Smart sgl->addr_lo = 0; 2558d613b6a7SJames Smart sgl->word2 = 0; 2559d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2560d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2561d613b6a7SJames Smart sgl->sge_len = 0; 2562d613b6a7SJames Smart sgl++; 2563d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_write); 2564d613b6a7SJames Smart break; 2565d613b6a7SJames Smart 2566d613b6a7SJames Smart case NVMET_FCOP_RSP: 2567bd3061baSJames Smart /* From the treceive template, initialize words 4 - 11 */ 2568bd3061baSJames Smart memcpy(&wqe->words[4], 2569bd3061baSJames Smart &lpfc_trsp_cmd_template.words[4], 2570bd3061baSJames Smart sizeof(uint32_t) * 8); 2571bd3061baSJames Smart 2572d613b6a7SJames Smart /* Words 0 - 2 */ 2573d613b6a7SJames Smart physaddr = rsp->rspdma; 2574d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2575d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; 2576d613b6a7SJames Smart wqe->fcp_trsp.bde.addrLow = 2577d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2578d613b6a7SJames Smart wqe->fcp_trsp.bde.addrHigh = 2579d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2580d613b6a7SJames Smart 2581d613b6a7SJames Smart /* Word 3 */ 2582d613b6a7SJames Smart wqe->fcp_trsp.response_len = rsp->rsplen; 2583d613b6a7SJames Smart 2584d613b6a7SJames Smart /* Word 6 */ 2585d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_trsp.wqe_com, 2586d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2587d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_trsp.wqe_com, 2588d613b6a7SJames Smart nvmewqe->sli4_xritag); 2589d613b6a7SJames Smart 2590d613b6a7SJames Smart /* Word 7 */ 2591d613b6a7SJames Smart 2592d613b6a7SJames Smart /* Word 8 */ 2593d613b6a7SJames Smart wqe->fcp_trsp.wqe_com.abort_tag = nvmewqe->iotag; 2594d613b6a7SJames Smart 2595d613b6a7SJames Smart /* Word 9 */ 2596d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_trsp.wqe_com, nvmewqe->iotag); 2597d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_trsp.wqe_com, ctxp->oxid); 2598d613b6a7SJames Smart 2599d613b6a7SJames Smart /* Word 10 */ 2600bd3061baSJames Smart if (xc) 2601bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 1); 2602d613b6a7SJames Smart 2603d613b6a7SJames Smart /* Word 11 */ 2604bd3061baSJames Smart /* In template wqes=0 irsp=0 irsplen=0 - good response */ 2605bd3061baSJames Smart if (rsp->rsplen != LPFC_NVMET_SUCCESS_LEN) { 2606bd3061baSJames Smart /* Bad response - embed it */ 2607d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 1); 2608d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 1); 2609d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 2610d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2611d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, rsp->rsplen); 2612d613b6a7SJames Smart } 2613bd3061baSJames Smart do_pbde = 0; 2614bd3061baSJames Smart 2615bd3061baSJames Smart /* Word 12 */ 2616bd3061baSJames Smart wqe->fcp_trsp.rsvd_12_15[0] = 0; 2617d613b6a7SJames Smart 2618d613b6a7SJames Smart /* Use rspbuf, NOT sg list */ 2619d613b6a7SJames Smart rsp->sg_cnt = 0; 2620d613b6a7SJames Smart sgl->word2 = 0; 2621d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp); 2622d613b6a7SJames Smart break; 2623d613b6a7SJames Smart 2624d613b6a7SJames Smart default: 2625d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 2626d613b6a7SJames Smart "6064 Unknown Rsp Op %d\n", 2627d613b6a7SJames Smart rsp->op); 2628d613b6a7SJames Smart return NULL; 2629d613b6a7SJames Smart } 2630d613b6a7SJames Smart 2631d613b6a7SJames Smart nvmewqe->retry = 1; 2632d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2633d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2634d613b6a7SJames Smart nvmewqe->context1 = ndlp; 2635d613b6a7SJames Smart 2636d613b6a7SJames Smart for (i = 0; i < rsp->sg_cnt; i++) { 2637d613b6a7SJames Smart sgel = &rsp->sg[i]; 2638d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2639d613b6a7SJames Smart cnt = sg_dma_len(sgel); 2640d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2641d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2642d613b6a7SJames Smart sgl->word2 = 0; 2643d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2644d613b6a7SJames Smart bf_set(lpfc_sli4_sge_offset, sgl, ctxp->offset); 2645d613b6a7SJames Smart if ((i+1) == rsp->sg_cnt) 2646d613b6a7SJames Smart bf_set(lpfc_sli4_sge_last, sgl, 1); 2647d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2648d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(cnt); 2649414abe0aSJames Smart if (i == 0) { 26500bc2b7c5SJames Smart bde = (struct ulp_bde64 *)&wqe->words[13]; 2651414abe0aSJames Smart if (do_pbde) { 26520bc2b7c5SJames Smart /* Words 13-15 (PBDE) */ 26530bc2b7c5SJames Smart bde->addrLow = sgl->addr_lo; 26540bc2b7c5SJames Smart bde->addrHigh = sgl->addr_hi; 26550bc2b7c5SJames Smart bde->tus.f.bdeSize = 26560bc2b7c5SJames Smart le32_to_cpu(sgl->sge_len); 26570bc2b7c5SJames Smart bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; 26580bc2b7c5SJames Smart bde->tus.w = cpu_to_le32(bde->tus.w); 2659414abe0aSJames Smart } else { 2660414abe0aSJames Smart memset(bde, 0, sizeof(struct ulp_bde64)); 2661414abe0aSJames Smart } 26620bc2b7c5SJames Smart } 2663d613b6a7SJames Smart sgl++; 2664d613b6a7SJames Smart ctxp->offset += cnt; 2665d613b6a7SJames Smart } 2666ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_DATA; 2667ce1b591cSJames Smart ctxp->entry_cnt++; 2668d613b6a7SJames Smart return nvmewqe; 2669d613b6a7SJames Smart } 2670d613b6a7SJames Smart 2671d613b6a7SJames Smart /** 2672d613b6a7SJames Smart * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS 2673d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2674d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2675d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2676d613b6a7SJames Smart * 2677d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2678d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2679d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2680d613b6a7SJames Smart **/ 2681d613b6a7SJames Smart static void 2682d613b6a7SJames Smart lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2683d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2684d613b6a7SJames Smart { 2685d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2686d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2687d613b6a7SJames Smart uint32_t status, result; 268819b58d94SJames Smart unsigned long flags; 268919b58d94SJames Smart bool released = false; 2690d613b6a7SJames Smart 2691d613b6a7SJames Smart ctxp = cmdwqe->context2; 2692d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2693d613b6a7SJames Smart result = wcqe->parameter; 2694d613b6a7SJames Smart 2695d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2696547077a4SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 2697547077a4SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 2698d613b6a7SJames Smart 2699d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 270086c67379SJames Smart 270186c67379SJames Smart /* Check if we already received a free context call 270286c67379SJames Smart * and we have completed processing an abort situation. 270386c67379SJames Smart */ 270419b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 270586c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 270686c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 270786c67379SJames Smart list_del(&ctxp->list); 270819b58d94SJames Smart released = true; 270986c67379SJames Smart } 271019b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 271119b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2712547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 271319b58d94SJames Smart 2714e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 271586c67379SJames Smart "6165 ABORT cmpl: xri x%x flg x%x (%d) " 271686c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 271786c67379SJames Smart ctxp->oxid, ctxp->flag, released, 271886c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 271986c67379SJames Smart result, wcqe->word3); 272086c67379SJames Smart 27216c621a22SJames Smart cmdwqe->context2 = NULL; 27226c621a22SJames Smart cmdwqe->context3 = NULL; 272319b58d94SJames Smart /* 272419b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 272519b58d94SJames Smart * will be recycled by transport release call. 272619b58d94SJames Smart */ 272719b58d94SJames Smart if (released) 27286c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 2729d613b6a7SJames Smart 27306c621a22SJames Smart /* This is the iocbq for the abort, not the command */ 2731d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 273286c67379SJames Smart 273386c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 273486c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 273586c67379SJames Smart * should have been called already. 273686c67379SJames Smart */ 2737d613b6a7SJames Smart } 2738d613b6a7SJames Smart 2739d613b6a7SJames Smart /** 274086c67379SJames Smart * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS 2741d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2742d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2743d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2744d613b6a7SJames Smart * 2745d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2746d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2747d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2748d613b6a7SJames Smart **/ 2749d613b6a7SJames Smart static void 275086c67379SJames Smart lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2751d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2752d613b6a7SJames Smart { 2753d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2754d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 275519b58d94SJames Smart unsigned long flags; 2756d613b6a7SJames Smart uint32_t status, result; 275719b58d94SJames Smart bool released = false; 2758d613b6a7SJames Smart 2759d613b6a7SJames Smart ctxp = cmdwqe->context2; 2760d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2761d613b6a7SJames Smart result = wcqe->parameter; 2762d613b6a7SJames Smart 276386c67379SJames Smart if (!ctxp) { 276486c67379SJames Smart /* if context is clear, related io alrady complete */ 2765d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 276686c67379SJames Smart "6070 ABTS cmpl: WCQE: %08x %08x %08x %08x\n", 276786c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 2768d613b6a7SJames Smart result, wcqe->word3); 276986c67379SJames Smart return; 277086c67379SJames Smart } 2771d613b6a7SJames Smart 277278e1d200SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 277378e1d200SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 277478e1d200SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 277578e1d200SJames Smart 2776d613b6a7SJames Smart /* Sanity check */ 2777d613b6a7SJames Smart if (ctxp->state != LPFC_NVMET_STE_ABORT) { 2778d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 277986c67379SJames Smart "6112 ABTS Wrong state:%d oxid x%x\n", 2780d613b6a7SJames Smart ctxp->state, ctxp->oxid); 2781d613b6a7SJames Smart } 278286c67379SJames Smart 278386c67379SJames Smart /* Check if we already received a free context call 278486c67379SJames Smart * and we have completed processing an abort situation. 278586c67379SJames Smart */ 2786d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 278719b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 278886c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 278986c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 279086c67379SJames Smart list_del(&ctxp->list); 279119b58d94SJames Smart released = true; 279286c67379SJames Smart } 279319b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 279419b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2795547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 279619b58d94SJames Smart 279786c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 279886c67379SJames Smart "6316 ABTS cmpl xri x%x flg x%x (%x) " 279986c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 280086c67379SJames Smart ctxp->oxid, ctxp->flag, released, 280186c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 280286c67379SJames Smart result, wcqe->word3); 28036c621a22SJames Smart 28046c621a22SJames Smart cmdwqe->context2 = NULL; 28056c621a22SJames Smart cmdwqe->context3 = NULL; 280619b58d94SJames Smart /* 280719b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 280819b58d94SJames Smart * will be recycled by transport release call. 280919b58d94SJames Smart */ 281019b58d94SJames Smart if (released) 28116c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 281286c67379SJames Smart 281386c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 281486c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 281586c67379SJames Smart * should have been called already. 281686c67379SJames Smart */ 2817d613b6a7SJames Smart } 2818d613b6a7SJames Smart 2819d613b6a7SJames Smart /** 2820d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS 2821d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2822d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2823d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2824d613b6a7SJames Smart * 2825d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2826d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for LS cmds 2827d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2828d613b6a7SJames Smart **/ 2829d613b6a7SJames Smart static void 2830d613b6a7SJames Smart lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2831d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2832d613b6a7SJames Smart { 2833d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2834d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2835d613b6a7SJames Smart uint32_t status, result; 2836d613b6a7SJames Smart 2837d613b6a7SJames Smart ctxp = cmdwqe->context2; 2838d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2839d613b6a7SJames Smart result = wcqe->parameter; 2840d613b6a7SJames Smart 2841d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2842547077a4SJames Smart atomic_inc(&tgtp->xmt_ls_abort_cmpl); 2843d613b6a7SJames Smart 2844d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2845d613b6a7SJames Smart "6083 Abort cmpl: ctx %p WCQE:%08x %08x %08x %08x\n", 2846d613b6a7SJames Smart ctxp, wcqe->word0, wcqe->total_data_placed, 2847d613b6a7SJames Smart result, wcqe->word3); 2848d613b6a7SJames Smart 2849ce1b591cSJames Smart if (!ctxp) { 2850ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2851ce1b591cSJames Smart "6415 NVMET LS Abort No ctx: WCQE: " 2852ce1b591cSJames Smart "%08x %08x %08x %08x\n", 2853ce1b591cSJames Smart wcqe->word0, wcqe->total_data_placed, 2854ce1b591cSJames Smart result, wcqe->word3); 2855ce1b591cSJames Smart 2856ce1b591cSJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2857ce1b591cSJames Smart return; 2858ce1b591cSJames Smart } 2859ce1b591cSJames Smart 2860ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) { 2861ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2862ce1b591cSJames Smart "6416 NVMET LS abort cmpl state mismatch: " 2863ce1b591cSJames Smart "oxid x%x: %d %d\n", 2864ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 2865ce1b591cSJames Smart } 2866ce1b591cSJames Smart 2867d613b6a7SJames Smart cmdwqe->context2 = NULL; 2868d613b6a7SJames Smart cmdwqe->context3 = NULL; 2869d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2870d613b6a7SJames Smart kfree(ctxp); 2871d613b6a7SJames Smart } 2872d613b6a7SJames Smart 2873d613b6a7SJames Smart static int 2874d613b6a7SJames Smart lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, 2875d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2876d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2877d613b6a7SJames Smart { 2878d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2879d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2880205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 2881d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2882d613b6a7SJames Smart 2883d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 288486c67379SJames Smart "6067 ABTS: sid %x xri x%x/x%x\n", 2885318083adSJames Smart sid, xri, ctxp->wqeq->sli4_xritag); 2886d613b6a7SJames Smart 2887d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2888d613b6a7SJames Smart 2889d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2890d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2891d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2892d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2893d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2894ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2895d613b6a7SJames Smart "6134 Drop ABTS - wrong NDLP state x%x.\n", 2896b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2897d613b6a7SJames Smart 2898d613b6a7SJames Smart /* No failure to an ABTS request. */ 2899d613b6a7SJames Smart return 0; 2900d613b6a7SJames Smart } 2901d613b6a7SJames Smart 2902d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 2903d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 2904d613b6a7SJames Smart 2905d613b6a7SJames Smart /* 2906d613b6a7SJames Smart * Since we zero the whole WQE, we need to ensure we set the WQE fields 2907d613b6a7SJames Smart * that were initialized in lpfc_sli4_nvmet_alloc. 2908d613b6a7SJames Smart */ 2909d613b6a7SJames Smart memset(wqe_abts, 0, sizeof(union lpfc_wqe)); 2910d613b6a7SJames Smart 2911d613b6a7SJames Smart /* Word 5 */ 2912d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe_abts->xmit_sequence.wge_ctl, 0); 2913d613b6a7SJames Smart bf_set(wqe_ls, &wqe_abts->xmit_sequence.wge_ctl, 1); 2914d613b6a7SJames Smart bf_set(wqe_la, &wqe_abts->xmit_sequence.wge_ctl, 0); 2915d613b6a7SJames Smart bf_set(wqe_rctl, &wqe_abts->xmit_sequence.wge_ctl, FC_RCTL_BA_ABTS); 2916d613b6a7SJames Smart bf_set(wqe_type, &wqe_abts->xmit_sequence.wge_ctl, FC_TYPE_BLS); 2917d613b6a7SJames Smart 2918d613b6a7SJames Smart /* Word 6 */ 2919d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe_abts->xmit_sequence.wqe_com, 2920d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2921d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe_abts->xmit_sequence.wqe_com, 2922d613b6a7SJames Smart abts_wqeq->sli4_xritag); 2923d613b6a7SJames Smart 2924d613b6a7SJames Smart /* Word 7 */ 2925d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe_abts->xmit_sequence.wqe_com, 2926d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2927d613b6a7SJames Smart bf_set(wqe_ct, &wqe_abts->xmit_sequence.wqe_com, SLI4_CT_RPI); 2928d613b6a7SJames Smart bf_set(wqe_class, &wqe_abts->xmit_sequence.wqe_com, CLASS3); 2929d613b6a7SJames Smart bf_set(wqe_pu, &wqe_abts->xmit_sequence.wqe_com, 0); 2930d613b6a7SJames Smart 2931d613b6a7SJames Smart /* Word 8 */ 2932d613b6a7SJames Smart wqe_abts->xmit_sequence.wqe_com.abort_tag = abts_wqeq->iotag; 2933d613b6a7SJames Smart 2934d613b6a7SJames Smart /* Word 9 */ 2935d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe_abts->xmit_sequence.wqe_com, abts_wqeq->iotag); 2936d613b6a7SJames Smart /* Needs to be set by caller */ 2937d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe_abts->xmit_sequence.wqe_com, xri); 2938d613b6a7SJames Smart 2939d613b6a7SJames Smart /* Word 10 */ 2940d613b6a7SJames Smart bf_set(wqe_dbde, &wqe_abts->xmit_sequence.wqe_com, 1); 2941d613b6a7SJames Smart bf_set(wqe_iod, &wqe_abts->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2942d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe_abts->xmit_sequence.wqe_com, 2943d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2944d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe_abts->xmit_sequence.wqe_com, 0); 2945d613b6a7SJames Smart bf_set(wqe_qosd, &wqe_abts->xmit_sequence.wqe_com, 0); 2946d613b6a7SJames Smart 2947d613b6a7SJames Smart /* Word 11 */ 2948d613b6a7SJames Smart bf_set(wqe_cqid, &wqe_abts->xmit_sequence.wqe_com, 2949d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2950d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe_abts->xmit_sequence.wqe_com, 2951d613b6a7SJames Smart OTHER_COMMAND); 2952d613b6a7SJames Smart 2953d613b6a7SJames Smart abts_wqeq->vport = phba->pport; 2954d613b6a7SJames Smart abts_wqeq->context1 = ndlp; 2955d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 2956d613b6a7SJames Smart abts_wqeq->context3 = NULL; 2957d613b6a7SJames Smart abts_wqeq->rsvd2 = 0; 2958d613b6a7SJames Smart /* hba_wqidx should already be setup from command we are aborting */ 2959d613b6a7SJames Smart abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; 2960d613b6a7SJames Smart abts_wqeq->iocb.ulpLe = 1; 2961d613b6a7SJames Smart 2962d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2963d613b6a7SJames Smart "6069 Issue ABTS to xri x%x reqtag x%x\n", 2964d613b6a7SJames Smart xri, abts_wqeq->iotag); 2965d613b6a7SJames Smart return 1; 2966d613b6a7SJames Smart } 2967d613b6a7SJames Smart 2968d613b6a7SJames Smart static int 2969d613b6a7SJames Smart lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, 2970d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2971d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2972d613b6a7SJames Smart { 2973d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2974d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2975205e8240SJames Smart union lpfc_wqe128 *abts_wqe; 2976d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2977d613b6a7SJames Smart unsigned long flags; 2978d613b6a7SJames Smart int rc; 2979d613b6a7SJames Smart 2980d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2981d613b6a7SJames Smart if (!ctxp->wqeq) { 29826c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 2983d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 2984d613b6a7SJames Smart } 2985d613b6a7SJames Smart 2986d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2987d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2988d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2989d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2990d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2991ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 299286c67379SJames Smart "6160 Drop ABORT - wrong NDLP state x%x.\n", 2993b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2994d613b6a7SJames Smart 2995d613b6a7SJames Smart /* No failure to an ABTS request. */ 299686c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2997d613b6a7SJames Smart return 0; 2998d613b6a7SJames Smart } 2999d613b6a7SJames Smart 3000d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3001d613b6a7SJames Smart ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); 3002d613b6a7SJames Smart if (!ctxp->abort_wqeq) { 3003547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3004ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 300586c67379SJames Smart "6161 ABORT failed: No wqeqs: " 3006d613b6a7SJames Smart "xri: x%x\n", ctxp->oxid); 3007d613b6a7SJames Smart /* No failure to an ABTS request. */ 300886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3009d613b6a7SJames Smart return 0; 3010d613b6a7SJames Smart } 3011d613b6a7SJames Smart abts_wqeq = ctxp->abort_wqeq; 3012d613b6a7SJames Smart abts_wqe = &abts_wqeq->wqe; 3013d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3014d613b6a7SJames Smart 3015d613b6a7SJames Smart /* Announce entry to new IO submit field. */ 301686c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 301786c67379SJames Smart "6162 ABORT Request to rport DID x%06x " 3018d613b6a7SJames Smart "for xri x%x x%x\n", 3019d613b6a7SJames Smart ctxp->sid, ctxp->oxid, ctxp->wqeq->sli4_xritag); 3020d613b6a7SJames Smart 3021d613b6a7SJames Smart /* If the hba is getting reset, this flag is set. It is 3022d613b6a7SJames Smart * cleared when the reset is complete and rings reestablished. 3023d613b6a7SJames Smart */ 3024d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3025d613b6a7SJames Smart /* driver queued commands are in process of being flushed */ 3026d613b6a7SJames Smart if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) { 3027d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3028547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3029d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3030d613b6a7SJames Smart "6163 Driver in reset cleanup - flushing " 3031d613b6a7SJames Smart "NVME Req now. hba_flag x%x oxid x%x\n", 3032d613b6a7SJames Smart phba->hba_flag, ctxp->oxid); 3033d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 303486c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3035d613b6a7SJames Smart return 0; 3036d613b6a7SJames Smart } 3037d613b6a7SJames Smart 3038d613b6a7SJames Smart /* Outstanding abort is in progress */ 3039d613b6a7SJames Smart if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { 3040d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3041547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3042d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3043d613b6a7SJames Smart "6164 Outstanding NVME I/O Abort Request " 3044d613b6a7SJames Smart "still pending on oxid x%x\n", 3045d613b6a7SJames Smart ctxp->oxid); 3046d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 304786c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3048d613b6a7SJames Smart return 0; 3049d613b6a7SJames Smart } 3050d613b6a7SJames Smart 3051d613b6a7SJames Smart /* Ready - mark outstanding as aborted by driver. */ 3052d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; 3053d613b6a7SJames Smart 3054d613b6a7SJames Smart /* WQEs are reused. Clear stale data and set key fields to 3055d613b6a7SJames Smart * zero like ia, iaab, iaar, xri_tag, and ctxt_tag. 3056d613b6a7SJames Smart */ 3057d613b6a7SJames Smart memset(abts_wqe, 0, sizeof(union lpfc_wqe)); 3058d613b6a7SJames Smart 3059d613b6a7SJames Smart /* word 3 */ 3060d613b6a7SJames Smart bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); 3061d613b6a7SJames Smart 3062d613b6a7SJames Smart /* word 7 */ 3063d613b6a7SJames Smart bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); 3064d613b6a7SJames Smart bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); 3065d613b6a7SJames Smart 3066d613b6a7SJames Smart /* word 8 - tell the FW to abort the IO associated with this 3067d613b6a7SJames Smart * outstanding exchange ID. 3068d613b6a7SJames Smart */ 3069d613b6a7SJames Smart abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag; 3070d613b6a7SJames Smart 3071d613b6a7SJames Smart /* word 9 - this is the iotag for the abts_wqe completion. */ 3072d613b6a7SJames Smart bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, 3073d613b6a7SJames Smart abts_wqeq->iotag); 3074d613b6a7SJames Smart 3075d613b6a7SJames Smart /* word 10 */ 3076d613b6a7SJames Smart bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); 3077d613b6a7SJames Smart bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); 3078d613b6a7SJames Smart 3079d613b6a7SJames Smart /* word 11 */ 3080d613b6a7SJames Smart bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); 3081d613b6a7SJames Smart bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); 3082d613b6a7SJames Smart bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 3083d613b6a7SJames Smart 3084d613b6a7SJames Smart /* ABTS WQE must go to the same WQ as the WQE to be aborted */ 3085d613b6a7SJames Smart abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; 3086d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; 3087d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3088d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME; 3089d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 30904550f9c7SJames Smart abts_wqeq->vport = phba->pport; 30911fbf9742SJames Smart if (!ctxp->hdwq) 30921fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 30931fbf9742SJames Smart 30941fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3095d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3096547077a4SJames Smart if (rc == WQE_SUCCESS) { 3097547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_sol); 3098d613b6a7SJames Smart return 0; 3099547077a4SJames Smart } 3100d613b6a7SJames Smart 3101547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 310286c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3103d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 310486c67379SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 310586c67379SJames Smart "6166 Failed ABORT issue_wqe with status x%x " 3106d613b6a7SJames Smart "for oxid x%x.\n", 3107d613b6a7SJames Smart rc, ctxp->oxid); 3108d613b6a7SJames Smart return 1; 3109d613b6a7SJames Smart } 3110d613b6a7SJames Smart 3111d613b6a7SJames Smart 3112d613b6a7SJames Smart static int 3113d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, 3114d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3115d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3116d613b6a7SJames Smart { 3117d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3118d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3119d613b6a7SJames Smart unsigned long flags; 3120d613b6a7SJames Smart int rc; 3121d613b6a7SJames Smart 3122d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3123d613b6a7SJames Smart if (!ctxp->wqeq) { 31246c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 3125d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 3126d613b6a7SJames Smart } 3127d613b6a7SJames Smart 3128ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 3129ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3130ce1b591cSJames Smart "6417 NVMET ABORT ctx freed %d %d oxid x%x\n", 3131ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 3132ce1b591cSJames Smart rc = WQE_BUSY; 3133ce1b591cSJames Smart goto aerr; 3134ce1b591cSJames Smart } 3135ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3136ce1b591cSJames Smart ctxp->entry_cnt++; 3137d613b6a7SJames Smart rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); 3138d613b6a7SJames Smart if (rc == 0) 3139d613b6a7SJames Smart goto aerr; 3140d613b6a7SJames Smart 3141d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3142d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 314386c67379SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; 314486c67379SJames Smart abts_wqeq->iocb_cmpl = NULL; 3145d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVMET; 31461fbf9742SJames Smart if (!ctxp->hdwq) 31471fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 31481fbf9742SJames Smart 31491fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3150d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3151d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3152d613b6a7SJames Smart return 0; 3153d613b6a7SJames Smart } 3154d613b6a7SJames Smart 3155d613b6a7SJames Smart aerr: 315668c9b55dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 315768c9b55dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) 315868c9b55dSJames Smart list_del(&ctxp->list); 315968c9b55dSJames Smart ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS); 316068c9b55dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 316168c9b55dSJames Smart 3162d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3163ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3164d613b6a7SJames Smart "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n", 3165d613b6a7SJames Smart ctxp->oxid, rc); 316668c9b55dSJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 3167d613b6a7SJames Smart return 1; 3168d613b6a7SJames Smart } 3169d613b6a7SJames Smart 3170d613b6a7SJames Smart static int 3171d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, 3172d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3173d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3174d613b6a7SJames Smart { 3175d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3176d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3177205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 3178d613b6a7SJames Smart unsigned long flags; 3179d613b6a7SJames Smart int rc; 3180d613b6a7SJames Smart 3181ce1b591cSJames Smart if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) || 3182ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) { 3183ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3184ce1b591cSJames Smart ctxp->entry_cnt++; 3185ce1b591cSJames Smart } else { 3186ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3187ce1b591cSJames Smart "6418 NVMET LS abort state mismatch " 3188ce1b591cSJames Smart "IO x%x: %d %d\n", 3189ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 3190ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3191ce1b591cSJames Smart } 3192ce1b591cSJames Smart 3193d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3194d613b6a7SJames Smart if (!ctxp->wqeq) { 3195d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3196d613b6a7SJames Smart ctxp->wqeq = lpfc_sli_get_iocbq(phba); 3197d613b6a7SJames Smart if (!ctxp->wqeq) { 3198ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3199d613b6a7SJames Smart "6068 Abort failed: No wqeqs: " 3200d613b6a7SJames Smart "xri: x%x\n", xri); 3201d613b6a7SJames Smart /* No failure to an ABTS request. */ 3202d613b6a7SJames Smart kfree(ctxp); 3203d613b6a7SJames Smart return 0; 3204d613b6a7SJames Smart } 3205d613b6a7SJames Smart } 3206d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 3207d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 32086c621a22SJames Smart 3209ce1b591cSJames Smart if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) { 3210ce1b591cSJames Smart rc = WQE_BUSY; 3211ce1b591cSJames Smart goto out; 3212ce1b591cSJames Smart } 3213d613b6a7SJames Smart 3214d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3215d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; 3216d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3217d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; 32181fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3219d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3220d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3221547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_unsol); 3222d613b6a7SJames Smart return 0; 3223d613b6a7SJames Smart } 3224ce1b591cSJames Smart out: 3225d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3226d613b6a7SJames Smart abts_wqeq->context2 = NULL; 3227d613b6a7SJames Smart abts_wqeq->context3 = NULL; 3228d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3229d613b6a7SJames Smart kfree(ctxp); 3230ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3231d613b6a7SJames Smart "6056 Failed to Issue ABTS. Status x%x\n", rc); 3232d613b6a7SJames Smart return 0; 3233d613b6a7SJames Smart } 3234