1d613b6a7SJames Smart /******************************************************************* 2d613b6a7SJames Smart * This file is part of the Emulex Linux Device Driver for * 3d613b6a7SJames Smart * Fibre Channsel Host Bus Adapters. * 40d041215SJames Smart * Copyright (C) 2017-2019 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); 103586c67379SJames Smart 103686c67379SJames Smart /* Since iaab/iaar are NOT set, we need to check 103786c67379SJames Smart * if the firmware is in process of aborting IO 103886c67379SJames Smart */ 103986c67379SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) { 104086c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 104186c67379SJames Smart return; 104286c67379SJames Smart } 1043a97ec51bSJames Smart ctxp->flag |= LPFC_NVMET_ABORT_OP; 1044ce1b591cSJames Smart 10456e8e1c14SJames Smart if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) { 1046c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 10476e8e1c14SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 10486e8e1c14SJames Smart ctxp->oxid); 10491fbf9742SJames Smart wq = ctxp->hdwq->nvme_wq; 10506e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, ctxp); 10516e8e1c14SJames Smart return; 10526e8e1c14SJames Smart } 1053c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 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); 1065a97ec51bSJames Smart } 1066a97ec51bSJames Smart 1067a97ec51bSJames Smart static void 106819b58d94SJames Smart lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, 106919b58d94SJames Smart struct nvmefc_tgt_fcp_req *rsp) 107019b58d94SJames Smart { 1071547077a4SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 107219b58d94SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 107319b58d94SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 107419b58d94SJames Smart struct lpfc_hba *phba = ctxp->phba; 107519b58d94SJames Smart unsigned long flags; 107619b58d94SJames Smart bool aborting = false; 107719b58d94SJames Smart 1078c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 1079c160c0f8SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) 1080c160c0f8SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 1081c160c0f8SJames Smart "6027 NVMET release with XBUSY flag x%x" 1082c160c0f8SJames Smart " oxid x%x\n", 1083c160c0f8SJames Smart ctxp->flag, ctxp->oxid); 1084c160c0f8SJames Smart else if (ctxp->state != LPFC_NVMET_STE_DONE && 1085c160c0f8SJames Smart ctxp->state != LPFC_NVMET_STE_ABORT) 1086ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1087ce1b591cSJames Smart "6413 NVMET release bad state %d %d oxid x%x\n", 1088ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1089ce1b591cSJames Smart 109086c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABORT_OP) || 109186c67379SJames Smart (ctxp->flag & LPFC_NVMET_XBUSY)) { 109219b58d94SJames Smart aborting = true; 109386c67379SJames Smart /* let the abort path do the real release */ 109486c67379SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 109519b58d94SJames Smart } 109619b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 109719b58d94SJames Smart 10989094367aSArnd Bergmann lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, 10999094367aSArnd Bergmann ctxp->state, aborting); 110019b58d94SJames Smart 1101547077a4SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_release); 1102547077a4SJames Smart 110386c67379SJames Smart if (aborting) 110486c67379SJames Smart return; 110586c67379SJames Smart 11066c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 110719b58d94SJames Smart } 110819b58d94SJames Smart 110950738420SJames Smart static void 111050738420SJames Smart lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, 111150738420SJames Smart struct nvmefc_tgt_fcp_req *rsp) 111250738420SJames Smart { 111350738420SJames Smart struct lpfc_nvmet_tgtport *tgtp; 111450738420SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 111550738420SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 111650738420SJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 111750738420SJames Smart struct lpfc_hba *phba = ctxp->phba; 1118472e146dSJames Smart unsigned long iflag; 1119472e146dSJames Smart 112050738420SJames Smart 112150738420SJames Smart lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", 112250738420SJames Smart ctxp->oxid, ctxp->size, smp_processor_id()); 112350738420SJames Smart 11246871e814SJames Smart if (!nvmebuf) { 11256871e814SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 11266871e814SJames Smart "6425 Defer rcv: no buffer xri x%x: " 11276871e814SJames Smart "flg %x ste %x\n", 11286871e814SJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 11296871e814SJames Smart return; 11306871e814SJames Smart } 11316871e814SJames Smart 113250738420SJames Smart tgtp = phba->targetport->private; 11336871e814SJames Smart if (tgtp) 113450738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_defer); 1135411de511SJames Smart 1136411de511SJames Smart /* Free the nvmebuf since a new buffer already replaced it */ 1137cbc5de1bSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 1138472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 1139472e146dSJames Smart ctxp->rqb_buffer = NULL; 1140472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 114150738420SJames Smart } 114250738420SJames Smart 1143d613b6a7SJames Smart static struct nvmet_fc_target_template lpfc_tgttemplate = { 1144d613b6a7SJames Smart .targetport_delete = lpfc_nvmet_targetport_delete, 1145d613b6a7SJames Smart .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, 1146d613b6a7SJames Smart .fcp_op = lpfc_nvmet_xmt_fcp_op, 1147a97ec51bSJames Smart .fcp_abort = lpfc_nvmet_xmt_fcp_abort, 114819b58d94SJames Smart .fcp_req_release = lpfc_nvmet_xmt_fcp_release, 114950738420SJames Smart .defer_rcv = lpfc_nvmet_defer_rcv, 1150d613b6a7SJames Smart 1151d613b6a7SJames Smart .max_hw_queues = 1, 1152d613b6a7SJames Smart .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1153d613b6a7SJames Smart .max_dif_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1154d613b6a7SJames Smart .dma_boundary = 0xFFFFFFFF, 1155d613b6a7SJames Smart 1156d613b6a7SJames Smart /* optional features */ 1157d613b6a7SJames Smart .target_features = 0, 1158d613b6a7SJames Smart /* sizes of additional private data for data structures */ 1159d613b6a7SJames Smart .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), 1160d613b6a7SJames Smart }; 1161d613b6a7SJames Smart 116239aa23f9SColin Ian King static void 116366d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, 116466d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop) 11656c621a22SJames Smart { 11666c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; 11676c621a22SJames Smart unsigned long flags; 11686c621a22SJames Smart 116966d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); 1170966bb5b7SJames Smart list_for_each_entry_safe(ctx_buf, next_ctx_buf, 117166d7ce93SDick Kennedy &infop->nvmet_ctx_list, list) { 11725e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 11736c621a22SJames Smart list_del_init(&ctx_buf->list); 11745e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 117566d7ce93SDick Kennedy 117666d7ce93SDick Kennedy __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); 11776c621a22SJames Smart ctx_buf->sglq->state = SGL_FREED; 11786c621a22SJames Smart ctx_buf->sglq->ndlp = NULL; 11796c621a22SJames Smart 1180c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.sgl_list_lock); 11816c621a22SJames Smart list_add_tail(&ctx_buf->sglq->list, 11826c621a22SJames Smart &phba->sli4_hba.lpfc_nvmet_sgl_list); 1183c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.sgl_list_lock); 11846c621a22SJames Smart 11856c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 11866c621a22SJames Smart kfree(ctx_buf->context); 11876c621a22SJames Smart } 118866d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); 1189966bb5b7SJames Smart } 119066d7ce93SDick Kennedy 119166d7ce93SDick Kennedy static void 119266d7ce93SDick Kennedy lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) 119366d7ce93SDick Kennedy { 119466d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 119566d7ce93SDick Kennedy int i, j; 119666d7ce93SDick Kennedy 119766d7ce93SDick Kennedy /* The first context list, MRQ 0 CPU 0 */ 119866d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 119966d7ce93SDick Kennedy if (!infop) 120066d7ce93SDick Kennedy return; 120166d7ce93SDick Kennedy 120266d7ce93SDick Kennedy /* Cycle the the entire CPU context list for every MRQ */ 120366d7ce93SDick Kennedy for (i = 0; i < phba->cfg_nvmet_mrq; i++) { 1204222e9239SJames Smart for_each_present_cpu(j) { 1205222e9239SJames Smart infop = lpfc_get_ctx_list(phba, j, i); 120666d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(phba, infop); 120766d7ce93SDick Kennedy } 120866d7ce93SDick Kennedy } 120966d7ce93SDick Kennedy kfree(phba->sli4_hba.nvmet_ctx_info); 121066d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = NULL; 12116c621a22SJames Smart } 12126c621a22SJames Smart 121339aa23f9SColin Ian King static int 12146c621a22SJames Smart lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) 12156c621a22SJames Smart { 12166c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 12176c621a22SJames Smart struct lpfc_iocbq *nvmewqe; 12186c621a22SJames Smart union lpfc_wqe128 *wqe; 121966d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *last_infop; 122066d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 1221222e9239SJames Smart int i, j, idx, cpu; 12226c621a22SJames Smart 12236c621a22SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME, 12246c621a22SJames Smart "6403 Allocate NVMET resources for %d XRIs\n", 12256c621a22SJames Smart phba->sli4_hba.nvmet_xri_cnt); 12266c621a22SJames Smart 122766d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = kcalloc( 1228222e9239SJames Smart phba->sli4_hba.num_possible_cpu * phba->cfg_nvmet_mrq, 122966d7ce93SDick Kennedy sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); 123066d7ce93SDick Kennedy if (!phba->sli4_hba.nvmet_ctx_info) { 123166d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 123266d7ce93SDick Kennedy "6419 Failed allocate memory for " 123366d7ce93SDick Kennedy "nvmet context lists\n"); 123466d7ce93SDick Kennedy return -ENOMEM; 123566d7ce93SDick Kennedy } 123666d7ce93SDick Kennedy 123766d7ce93SDick Kennedy /* 123866d7ce93SDick Kennedy * Assuming X CPUs in the system, and Y MRQs, allocate some 123966d7ce93SDick Kennedy * lpfc_nvmet_ctx_info structures as follows: 124066d7ce93SDick Kennedy * 124166d7ce93SDick Kennedy * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 124266d7ce93SDick Kennedy * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 124366d7ce93SDick Kennedy * ... 124466d7ce93SDick Kennedy * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY 124566d7ce93SDick Kennedy * 124666d7ce93SDick Kennedy * Each line represents a MRQ "silo" containing an entry for 124766d7ce93SDick Kennedy * every CPU. 124866d7ce93SDick Kennedy * 124966d7ce93SDick Kennedy * MRQ X is initially assumed to be associated with CPU X, thus 125066d7ce93SDick Kennedy * contexts are initially distributed across all MRQs using 125166d7ce93SDick Kennedy * the MRQ index (N) as follows cpuN/mrqN. When contexts are 125266d7ce93SDick Kennedy * freed, the are freed to the MRQ silo based on the CPU number 125366d7ce93SDick Kennedy * of the IO completion. Thus a context that was allocated for MRQ A 125466d7ce93SDick Kennedy * whose IO completed on CPU B will be freed to cpuB/mrqA. 125566d7ce93SDick Kennedy */ 1256222e9239SJames Smart for_each_possible_cpu(i) { 125766d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1258222e9239SJames Smart infop = lpfc_get_ctx_list(phba, i, j); 125966d7ce93SDick Kennedy INIT_LIST_HEAD(&infop->nvmet_ctx_list); 126066d7ce93SDick Kennedy spin_lock_init(&infop->nvmet_ctx_list_lock); 126166d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt = 0; 126266d7ce93SDick Kennedy } 126366d7ce93SDick Kennedy } 126466d7ce93SDick Kennedy 126566d7ce93SDick Kennedy /* 126666d7ce93SDick Kennedy * Setup the next CPU context info ptr for each MRQ. 126766d7ce93SDick Kennedy * MRQ 0 will cycle thru CPUs 0 - X separately from 126866d7ce93SDick Kennedy * MRQ 1 cycling thru CPUs 0 - X, and so on. 126966d7ce93SDick Kennedy */ 127066d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1271222e9239SJames Smart last_infop = lpfc_get_ctx_list(phba, 1272222e9239SJames Smart cpumask_first(cpu_present_mask), 1273222e9239SJames Smart j); 1274222e9239SJames Smart for (i = phba->sli4_hba.num_possible_cpu - 1; i >= 0; i--) { 127566d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, i, j); 127666d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu = last_infop; 127766d7ce93SDick Kennedy last_infop = infop; 127866d7ce93SDick Kennedy } 127966d7ce93SDick Kennedy } 128066d7ce93SDick Kennedy 12816c621a22SJames Smart /* For all nvmet xris, allocate resources needed to process a 12826c621a22SJames Smart * received command on a per xri basis. 12836c621a22SJames Smart */ 128466d7ce93SDick Kennedy idx = 0; 1285222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 12866c621a22SJames Smart for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { 12876c621a22SJames Smart ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); 12886c621a22SJames Smart if (!ctx_buf) { 12896c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12906c621a22SJames Smart "6404 Ran out of memory for NVMET\n"); 12916c621a22SJames Smart return -ENOMEM; 12926c621a22SJames Smart } 12936c621a22SJames Smart 12946c621a22SJames Smart ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), 12956c621a22SJames Smart GFP_KERNEL); 12966c621a22SJames Smart if (!ctx_buf->context) { 12976c621a22SJames Smart kfree(ctx_buf); 12986c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12996c621a22SJames Smart "6405 Ran out of NVMET " 13006c621a22SJames Smart "context memory\n"); 13016c621a22SJames Smart return -ENOMEM; 13026c621a22SJames Smart } 13036c621a22SJames Smart ctx_buf->context->ctxbuf = ctx_buf; 1304ce1b591cSJames Smart ctx_buf->context->state = LPFC_NVMET_STE_FREE; 13056c621a22SJames Smart 13066c621a22SJames Smart ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); 13076c621a22SJames Smart if (!ctx_buf->iocbq) { 13086c621a22SJames Smart kfree(ctx_buf->context); 13096c621a22SJames Smart kfree(ctx_buf); 13106c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13116c621a22SJames Smart "6406 Ran out of NVMET iocb/WQEs\n"); 13126c621a22SJames Smart return -ENOMEM; 13136c621a22SJames Smart } 13146c621a22SJames Smart ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; 13156c621a22SJames Smart nvmewqe = ctx_buf->iocbq; 1316205e8240SJames Smart wqe = &nvmewqe->wqe; 1317bd3061baSJames Smart 13186c621a22SJames Smart /* Initialize WQE */ 13196c621a22SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 13206c621a22SJames Smart 13216c621a22SJames Smart ctx_buf->iocbq->context1 = NULL; 13226c621a22SJames Smart spin_lock(&phba->sli4_hba.sgl_list_lock); 13236c621a22SJames Smart ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); 13246c621a22SJames Smart spin_unlock(&phba->sli4_hba.sgl_list_lock); 13256c621a22SJames Smart if (!ctx_buf->sglq) { 13266c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 13276c621a22SJames Smart kfree(ctx_buf->context); 13286c621a22SJames Smart kfree(ctx_buf); 13296c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13306c621a22SJames Smart "6407 Ran out of NVMET XRIs\n"); 13316c621a22SJames Smart return -ENOMEM; 13326c621a22SJames Smart } 1333472e146dSJames Smart INIT_WORK(&ctx_buf->defer_work, lpfc_nvmet_fcp_rqst_defer_work); 133466d7ce93SDick Kennedy 133566d7ce93SDick Kennedy /* 133666d7ce93SDick Kennedy * Add ctx to MRQidx context list. Our initial assumption 133766d7ce93SDick Kennedy * is MRQidx will be associated with CPUidx. This association 133866d7ce93SDick Kennedy * can change on the fly. 133966d7ce93SDick Kennedy */ 1340222e9239SJames Smart infop = lpfc_get_ctx_list(phba, cpu, idx); 134166d7ce93SDick Kennedy spin_lock(&infop->nvmet_ctx_list_lock); 134266d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 134366d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 134466d7ce93SDick Kennedy spin_unlock(&infop->nvmet_ctx_list_lock); 134566d7ce93SDick Kennedy 134666d7ce93SDick Kennedy /* Spread ctx structures evenly across all MRQs */ 134766d7ce93SDick Kennedy idx++; 1348222e9239SJames Smart if (idx >= phba->cfg_nvmet_mrq) { 134966d7ce93SDick Kennedy idx = 0; 1350222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1351222e9239SJames Smart continue; 1352222e9239SJames Smart } 1353222e9239SJames Smart cpu = cpumask_next(cpu, cpu_present_mask); 1354222e9239SJames Smart if (cpu == nr_cpu_ids) 1355222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1356222e9239SJames Smart 13576c621a22SJames Smart } 135866d7ce93SDick Kennedy 1359222e9239SJames Smart for_each_present_cpu(i) { 13602879265fSJames Smart for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 13612879265fSJames Smart infop = lpfc_get_ctx_list(phba, i, j); 136266d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 136366d7ce93SDick Kennedy "6408 TOTAL NVMET ctx for CPU %d " 136466d7ce93SDick Kennedy "MRQ %d: cnt %d nextcpu %p\n", 136566d7ce93SDick Kennedy i, j, infop->nvmet_ctx_list_cnt, 136666d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu); 136766d7ce93SDick Kennedy } 136866d7ce93SDick Kennedy } 13696c621a22SJames Smart return 0; 13706c621a22SJames Smart } 13716c621a22SJames Smart 1372d613b6a7SJames Smart int 1373d613b6a7SJames Smart lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 1374d613b6a7SJames Smart { 1375d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1376d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1377d613b6a7SJames Smart struct nvmet_fc_port_info pinfo; 13786c621a22SJames Smart int error; 1379d613b6a7SJames Smart 1380d613b6a7SJames Smart if (phba->targetport) 1381d613b6a7SJames Smart return 0; 1382d613b6a7SJames Smart 13836c621a22SJames Smart error = lpfc_nvmet_setup_io_context(phba); 13846c621a22SJames Smart if (error) 13856c621a22SJames Smart return error; 13866c621a22SJames Smart 1387d613b6a7SJames Smart memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); 1388d613b6a7SJames Smart pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); 1389d613b6a7SJames Smart pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); 1390d613b6a7SJames Smart pinfo.port_id = vport->fc_myDID; 1391d613b6a7SJames Smart 13925b9e70b2SJames Smart /* We need to tell the transport layer + 1 because it takes page 13935b9e70b2SJames Smart * alignment into account. When space for the SGL is allocated we 13945b9e70b2SJames Smart * allocate + 3, one for cmd, one for rsp and one for this alignment 13954d4c4a4aSJames Smart */ 13964d4c4a4aSJames Smart lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; 1397cdb42becSJames Smart lpfc_tgttemplate.max_hw_queues = phba->cfg_hdw_queue; 1398f485c18dSDick Kennedy lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP; 1399d613b6a7SJames Smart 14007d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1401d613b6a7SJames Smart error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, 1402d613b6a7SJames Smart &phba->pcidev->dev, 1403d613b6a7SJames Smart &phba->targetport); 1404166d7211SJames Smart #else 14056c621a22SJames Smart error = -ENOENT; 1406166d7211SJames Smart #endif 1407d613b6a7SJames Smart if (error) { 1408d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1409e7981a2cSDick Kennedy "6025 Cannot register NVME targetport x%x: " 1410e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1411e7981a2cSDick Kennedy error, 1412e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1413e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1414e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1415d613b6a7SJames Smart phba->targetport = NULL; 1416e7981a2cSDick Kennedy phba->nvmet_support = 0; 14176c621a22SJames Smart 14186c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 14196c621a22SJames Smart 1420d613b6a7SJames Smart } else { 1421d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *) 1422d613b6a7SJames Smart phba->targetport->private; 1423d613b6a7SJames Smart tgtp->phba = phba; 1424d613b6a7SJames Smart 1425d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1426d613b6a7SJames Smart "6026 Registered NVME " 1427d613b6a7SJames Smart "targetport: %p, private %p " 1428e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1429d613b6a7SJames Smart phba->targetport, tgtp, 1430e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1431e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1432e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1433d613b6a7SJames Smart 1434d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_in, 0); 1435d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_out, 0); 1436d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_drop, 0); 1437d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_abort, 0); 1438547077a4SJames Smart atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); 1439d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp, 0); 1440d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_drop, 0); 1441d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_error, 0); 14424b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_xb_set, 0); 14434b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_aborted, 0); 1444d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); 1445d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_in, 0); 1446d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_out, 0); 1447d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); 1448d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_drop, 0); 1449d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read_rsp, 0); 1450d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read, 0); 1451d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_write, 0); 1452d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp, 0); 1453547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_release, 0); 1454d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); 1455d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_error, 0); 14564b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_xb_set, 0); 14574b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_aborted, 0); 1458d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); 14594b056682SJames Smart atomic_set(&tgtp->xmt_fcp_xri_abort_cqe, 0); 1460547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort, 0); 1461547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); 1462547077a4SJames Smart atomic_set(&tgtp->xmt_abort_unsol, 0); 1463547077a4SJames Smart atomic_set(&tgtp->xmt_abort_sol, 0); 1464d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp, 0); 1465d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp_error, 0); 1466411de511SJames Smart atomic_set(&tgtp->defer_ctx, 0); 1467411de511SJames Smart atomic_set(&tgtp->defer_fod, 0); 1468411de511SJames Smart atomic_set(&tgtp->defer_wqfull, 0); 1469d613b6a7SJames Smart } 1470d613b6a7SJames Smart return error; 1471d613b6a7SJames Smart } 1472d613b6a7SJames Smart 1473d613b6a7SJames Smart int 1474d613b6a7SJames Smart lpfc_nvmet_update_targetport(struct lpfc_hba *phba) 1475d613b6a7SJames Smart { 1476d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1477d613b6a7SJames Smart 1478d613b6a7SJames Smart if (!phba->targetport) 1479d613b6a7SJames Smart return 0; 1480d613b6a7SJames Smart 1481d613b6a7SJames Smart lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, 1482d613b6a7SJames Smart "6007 Update NVMET port %p did x%x\n", 1483d613b6a7SJames Smart phba->targetport, vport->fc_myDID); 1484d613b6a7SJames Smart 1485d613b6a7SJames Smart phba->targetport->port_id = vport->fc_myDID; 1486d613b6a7SJames Smart return 0; 1487d613b6a7SJames Smart } 1488d613b6a7SJames Smart 1489318083adSJames Smart /** 1490318083adSJames Smart * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort 1491318083adSJames Smart * @phba: pointer to lpfc hba data structure. 1492318083adSJames Smart * @axri: pointer to the nvmet xri abort wcqe structure. 1493318083adSJames Smart * 1494318083adSJames Smart * This routine is invoked by the worker thread to process a SLI4 fast-path 1495318083adSJames Smart * NVMET aborted xri. 1496318083adSJames Smart **/ 1497318083adSJames Smart void 1498318083adSJames Smart lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 1499318083adSJames Smart struct sli4_wcqe_xri_aborted *axri) 1500318083adSJames Smart { 150186c67379SJames Smart uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); 150286c67379SJames Smart uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); 150386c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 15044b056682SJames Smart struct lpfc_nvmet_tgtport *tgtp; 150586c67379SJames Smart struct lpfc_nodelist *ndlp; 150686c67379SJames Smart unsigned long iflag = 0; 150786c67379SJames Smart int rrq_empty = 0; 150886c67379SJames Smart bool released = false; 150986c67379SJames Smart 151086c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 151186c67379SJames Smart "6317 XB aborted xri x%x rxid x%x\n", xri, rxid); 151286c67379SJames Smart 151386c67379SJames Smart if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 151486c67379SJames Smart return; 15154b056682SJames Smart 15164b056682SJames Smart if (phba->targetport) { 15174b056682SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 15184b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_xri_abort_cqe); 15194b056682SJames Smart } 15204b056682SJames Smart 152186c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 15225e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 152386c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 152486c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 152586c67379SJames Smart list) { 15266c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 152786c67379SJames Smart continue; 152886c67379SJames Smart 1529c160c0f8SJames Smart spin_lock(&ctxp->ctxlock); 153086c67379SJames Smart /* Check if we already received a free context call 153186c67379SJames Smart * and we have completed processing an abort situation. 153286c67379SJames Smart */ 153386c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS && 153486c67379SJames Smart !(ctxp->flag & LPFC_NVMET_ABORT_OP)) { 153586c67379SJames Smart list_del(&ctxp->list); 153686c67379SJames Smart released = true; 153786c67379SJames Smart } 153886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 1539c160c0f8SJames Smart spin_unlock(&ctxp->ctxlock); 15405e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 154186c67379SJames Smart 154286c67379SJames Smart rrq_empty = list_empty(&phba->active_rrq_list); 154386c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 154486c67379SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 154586c67379SJames Smart if (ndlp && NLP_CHK_NODE_ACT(ndlp) && 154686c67379SJames Smart (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || 154786c67379SJames Smart ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { 154886c67379SJames Smart lpfc_set_rrq_active(phba, ndlp, 15496c621a22SJames Smart ctxp->ctxbuf->sglq->sli4_lxritag, 155086c67379SJames Smart rxid, 1); 155186c67379SJames Smart lpfc_sli4_abts_err_handler(phba, ndlp, axri); 155286c67379SJames Smart } 155386c67379SJames Smart 155486c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1555ce1b591cSJames Smart "6318 XB aborted oxid %x flg x%x (%x)\n", 155686c67379SJames Smart ctxp->oxid, ctxp->flag, released); 155786c67379SJames Smart if (released) 15586c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 15596c621a22SJames Smart 156086c67379SJames Smart if (rrq_empty) 156186c67379SJames Smart lpfc_worker_wake_up(phba); 156286c67379SJames Smart return; 156386c67379SJames Smart } 15645e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 156586c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 156686c67379SJames Smart } 156786c67379SJames Smart 156886c67379SJames Smart int 156986c67379SJames Smart lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, 157086c67379SJames Smart struct fc_frame_header *fc_hdr) 157186c67379SJames Smart { 157286c67379SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 157386c67379SJames Smart struct lpfc_hba *phba = vport->phba; 157486c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 157586c67379SJames Smart struct nvmefc_tgt_fcp_req *rsp; 157686c67379SJames Smart uint16_t xri; 157786c67379SJames Smart unsigned long iflag = 0; 157886c67379SJames Smart 157986c67379SJames Smart xri = be16_to_cpu(fc_hdr->fh_ox_id); 158086c67379SJames Smart 158186c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 15825e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 158386c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 158486c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 158586c67379SJames Smart list) { 15866c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 158786c67379SJames Smart continue; 158886c67379SJames Smart 15895e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 159086c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 159186c67379SJames Smart 159286c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 159386c67379SJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 159486c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 159586c67379SJames Smart 159686c67379SJames Smart lpfc_nvmeio_data(phba, 159786c67379SJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 159886c67379SJames Smart xri, smp_processor_id(), 0); 159986c67379SJames Smart 160086c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 160186c67379SJames Smart "6319 NVMET Rcv ABTS:acc xri x%x\n", xri); 160286c67379SJames Smart 160386c67379SJames Smart rsp = &ctxp->ctx.fcp_req; 160486c67379SJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, rsp); 160586c67379SJames Smart 160686c67379SJames Smart /* Respond with BA_ACC accordingly */ 160786c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 160886c67379SJames Smart return 0; 160986c67379SJames Smart } 16105e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 161186c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 161286c67379SJames Smart 161386c67379SJames Smart lpfc_nvmeio_data(phba, "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 161486c67379SJames Smart xri, smp_processor_id(), 1); 161586c67379SJames Smart 161686c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 161786c67379SJames Smart "6320 NVMET Rcv ABTS:rjt xri x%x\n", xri); 161886c67379SJames Smart 161986c67379SJames Smart /* Respond with BA_RJT accordingly */ 162086c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0); 162186c67379SJames Smart #endif 1622b06e13c3SJens Axboe return 0; 1623318083adSJames Smart } 1624318083adSJames Smart 16256e8e1c14SJames Smart static void 16266e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, 16276e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 16286e8e1c14SJames Smart { 16296e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16306e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16316e8e1c14SJames Smart struct lpfc_iocbq *next_nvmewqeq; 16326e8e1c14SJames Smart unsigned long iflags; 16336e8e1c14SJames Smart struct lpfc_wcqe_complete wcqe; 16346e8e1c14SJames Smart struct lpfc_wcqe_complete *wcqep; 16356e8e1c14SJames Smart 16366e8e1c14SJames Smart pring = wq->pring; 16376e8e1c14SJames Smart wcqep = &wcqe; 16386e8e1c14SJames Smart 16396e8e1c14SJames Smart /* Fake an ABORT error code back to cmpl routine */ 16406e8e1c14SJames Smart memset(wcqep, 0, sizeof(struct lpfc_wcqe_complete)); 16416e8e1c14SJames Smart bf_set(lpfc_wcqe_c_status, wcqep, IOSTAT_LOCAL_REJECT); 16426e8e1c14SJames Smart wcqep->parameter = IOERR_ABORT_REQUESTED; 16436e8e1c14SJames Smart 16446e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16456e8e1c14SJames Smart list_for_each_entry_safe(nvmewqeq, next_nvmewqeq, 16466e8e1c14SJames Smart &wq->wqfull_list, list) { 16476e8e1c14SJames Smart if (ctxp) { 16486e8e1c14SJames Smart /* Checking for a specific IO to flush */ 16496e8e1c14SJames Smart if (nvmewqeq->context2 == ctxp) { 16506e8e1c14SJames Smart list_del(&nvmewqeq->list); 16516e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, 16526e8e1c14SJames Smart iflags); 16536e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, 16546e8e1c14SJames Smart wcqep); 16556e8e1c14SJames Smart return; 16566e8e1c14SJames Smart } 16576e8e1c14SJames Smart continue; 16586e8e1c14SJames Smart } else { 16596e8e1c14SJames Smart /* Flush all IOs */ 16606e8e1c14SJames Smart list_del(&nvmewqeq->list); 16616e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16626e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, wcqep); 16636e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16646e8e1c14SJames Smart } 16656e8e1c14SJames Smart } 16666e8e1c14SJames Smart if (!ctxp) 16676e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 16686e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16696e8e1c14SJames Smart } 16706e8e1c14SJames Smart 16716e8e1c14SJames Smart void 16726e8e1c14SJames Smart lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, 16736e8e1c14SJames Smart struct lpfc_queue *wq) 16746e8e1c14SJames Smart { 16756e8e1c14SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 16766e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16776e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16781fbf9742SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 16796e8e1c14SJames Smart unsigned long iflags; 16806e8e1c14SJames Smart int rc; 16816e8e1c14SJames Smart 16826e8e1c14SJames Smart /* 16836e8e1c14SJames Smart * Some WQE slots are available, so try to re-issue anything 16846e8e1c14SJames Smart * on the WQ wqfull_list. 16856e8e1c14SJames Smart */ 16866e8e1c14SJames Smart pring = wq->pring; 16876e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16886e8e1c14SJames Smart while (!list_empty(&wq->wqfull_list)) { 16896e8e1c14SJames Smart list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq, 16906e8e1c14SJames Smart list); 16916e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16921fbf9742SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)nvmewqeq->context2; 16931fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 16946e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16956e8e1c14SJames Smart if (rc == -EBUSY) { 16966e8e1c14SJames Smart /* WQ was full again, so put it back on the list */ 16976e8e1c14SJames Smart list_add(&nvmewqeq->list, &wq->wqfull_list); 16986e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16996e8e1c14SJames Smart return; 17006e8e1c14SJames Smart } 17016e8e1c14SJames Smart } 17026e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 17036e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 17046e8e1c14SJames Smart 17056e8e1c14SJames Smart #endif 17066e8e1c14SJames Smart } 17076e8e1c14SJames Smart 1708d613b6a7SJames Smart void 1709d613b6a7SJames Smart lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 1710d613b6a7SJames Smart { 17117d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1712d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 17136e8e1c14SJames Smart struct lpfc_queue *wq; 17146e8e1c14SJames Smart uint32_t qidx; 1715d613b6a7SJames Smart 1716d613b6a7SJames Smart if (phba->nvmet_support == 0) 1717d613b6a7SJames Smart return; 1718d613b6a7SJames Smart if (phba->targetport) { 1719d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1720cdb42becSJames Smart for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { 1721cdb42becSJames Smart wq = phba->sli4_hba.hdwq[qidx].nvme_wq; 17226e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, NULL); 17236e8e1c14SJames Smart } 1724d613b6a7SJames Smart init_completion(&tgtp->tport_unreg_done); 1725d613b6a7SJames Smart nvmet_fc_unregister_targetport(phba->targetport); 1726d613b6a7SJames Smart wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); 17276c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 1728d613b6a7SJames Smart } 1729d613b6a7SJames Smart phba->targetport = NULL; 1730166d7211SJames Smart #endif 1731d613b6a7SJames Smart } 1732d613b6a7SJames Smart 1733d613b6a7SJames Smart /** 1734d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer 1735d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1736d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1737d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1738d613b6a7SJames Smart * 1739d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1740d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1741d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1742d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1743d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1744d613b6a7SJames Smart * of the discovery state machine. 1745d613b6a7SJames Smart **/ 1746d613b6a7SJames Smart static void 1747d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1748d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf) 1749d613b6a7SJames Smart { 17507d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1751d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1752d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 1753d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1754d613b6a7SJames Smart uint32_t *payload; 1755d613b6a7SJames Smart uint32_t size, oxid, sid, rc; 1756d613b6a7SJames Smart 175768c9b55dSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 175868c9b55dSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 175968c9b55dSJames Smart 1760cc74e31dSColin Ian King if (!phba->targetport) { 1761d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 176268c9b55dSJames Smart "6154 LS Drop IO x%x\n", oxid); 17632b65e182SJames Smart oxid = 0; 17642b65e182SJames Smart size = 0; 17652b65e182SJames Smart sid = 0; 1766547077a4SJames Smart ctxp = NULL; 1767d613b6a7SJames Smart goto dropit; 1768d613b6a7SJames Smart } 1769d613b6a7SJames Smart 1770d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1771d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1772d613b6a7SJames Smart size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); 1773d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1774d613b6a7SJames Smart 1775d613b6a7SJames Smart ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC); 1776d613b6a7SJames Smart if (ctxp == NULL) { 1777d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1778d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1779d613b6a7SJames Smart "6155 LS Drop IO x%x: Alloc\n", 1780d613b6a7SJames Smart oxid); 1781d613b6a7SJames Smart dropit: 17822b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: " 17832b65e182SJames Smart "xri x%x sz %d from %06x\n", 17842b65e182SJames Smart oxid, size, sid); 1785d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1786d613b6a7SJames Smart return; 1787d613b6a7SJames Smart } 1788d613b6a7SJames Smart ctxp->phba = phba; 1789d613b6a7SJames Smart ctxp->size = size; 1790d613b6a7SJames Smart ctxp->oxid = oxid; 1791d613b6a7SJames Smart ctxp->sid = sid; 1792d613b6a7SJames Smart ctxp->wqeq = NULL; 1793ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RCV; 1794ce1b591cSJames Smart ctxp->entry_cnt = 1; 1795d613b6a7SJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 17961fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[0]; 17972b65e182SJames Smart 17982b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n", 17992b65e182SJames Smart oxid, size, sid); 1800d613b6a7SJames Smart /* 1801d613b6a7SJames Smart * The calling sequence should be: 1802d613b6a7SJames Smart * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done 1803d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp. 1804d613b6a7SJames Smart */ 1805d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_in); 1806d613b6a7SJames Smart rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req, 1807d613b6a7SJames Smart payload, size); 1808d613b6a7SJames Smart 1809d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1810ce1b591cSJames Smart "6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x " 1811ce1b591cSJames Smart "%08x %08x %08x\n", size, rc, 1812d613b6a7SJames Smart *payload, *(payload+1), *(payload+2), 1813d613b6a7SJames Smart *(payload+3), *(payload+4), *(payload+5)); 18142b65e182SJames Smart 1815d613b6a7SJames Smart if (rc == 0) { 1816d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_out); 1817d613b6a7SJames Smart return; 1818d613b6a7SJames Smart } 18192b65e182SJames Smart 18202b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n", 18212b65e182SJames Smart oxid, size, sid); 18222b65e182SJames Smart 1823d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1824d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1825d613b6a7SJames Smart "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n", 1826d613b6a7SJames Smart ctxp->oxid, rc); 1827d613b6a7SJames Smart 1828d613b6a7SJames Smart /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ 1829d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1830d613b6a7SJames Smart 1831d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_abort); 1832d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); 1833166d7211SJames Smart #endif 1834d613b6a7SJames Smart } 1835d613b6a7SJames Smart 1836472e146dSJames Smart static void 1837472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf) 1838472e146dSJames Smart { 1839472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1840472e146dSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 1841472e146dSJames Smart struct lpfc_hba *phba = ctxp->phba; 1842472e146dSJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 1843472e146dSJames Smart struct lpfc_nvmet_tgtport *tgtp; 1844472e146dSJames Smart uint32_t *payload; 1845472e146dSJames Smart uint32_t rc; 1846472e146dSJames Smart unsigned long iflags; 1847472e146dSJames Smart 1848472e146dSJames Smart if (!nvmebuf) { 1849472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1850472e146dSJames Smart "6159 process_rcv_fcp_req, nvmebuf is NULL, " 1851472e146dSJames Smart "oxid: x%x flg: x%x state: x%x\n", 1852472e146dSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1853472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 1854472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 1855472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 1856472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1857472e146dSJames Smart ctxp->oxid); 1858472e146dSJames Smart return; 1859472e146dSJames Smart } 1860472e146dSJames Smart 1861472e146dSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1862472e146dSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1863472e146dSJames Smart /* 1864472e146dSJames Smart * The calling sequence should be: 1865472e146dSJames Smart * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done 1866472e146dSJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 1867472e146dSJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info 1868472e146dSJames Smart * the NVME command / FC header is stored. 1869472e146dSJames Smart * A buffer has already been reposted for this IO, so just free 1870472e146dSJames Smart * the nvmebuf. 1871472e146dSJames Smart */ 1872472e146dSJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 1873472e146dSJames Smart payload, ctxp->size); 1874472e146dSJames Smart /* Process FCP command */ 1875472e146dSJames Smart if (rc == 0) { 1876472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 1877472e146dSJames Smart return; 1878472e146dSJames Smart } 1879472e146dSJames Smart 1880472e146dSJames Smart /* Processing of FCP command is deferred */ 1881472e146dSJames Smart if (rc == -EOVERFLOW) { 1882472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET RCV BUSY: xri x%x sz %d " 1883472e146dSJames Smart "from %06x\n", 1884472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 1885472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 1886472e146dSJames Smart atomic_inc(&tgtp->defer_fod); 1887472e146dSJames Smart return; 1888472e146dSJames Smart } 1889472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 1890472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1891472e146dSJames Smart "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 1892472e146dSJames Smart ctxp->oxid, rc, 1893472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 1894472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 1895472e146dSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 1896472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", 1897472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 1898472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 1899472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 1900472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 1901472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 1902472e146dSJames Smart #endif 1903472e146dSJames Smart } 1904472e146dSJames Smart 1905472e146dSJames Smart static void 1906472e146dSJames Smart lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *work) 1907472e146dSJames Smart { 1908472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1909472e146dSJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf = 1910472e146dSJames Smart container_of(work, struct lpfc_nvmet_ctxbuf, defer_work); 1911472e146dSJames Smart 1912472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 1913472e146dSJames Smart #endif 1914472e146dSJames Smart } 1915472e146dSJames Smart 191666d7ce93SDick Kennedy static struct lpfc_nvmet_ctxbuf * 191766d7ce93SDick Kennedy lpfc_nvmet_replenish_context(struct lpfc_hba *phba, 191866d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop) 191966d7ce93SDick Kennedy { 19202299e432SDick Kennedy #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 192166d7ce93SDick Kennedy struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; 192266d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *get_infop; 192366d7ce93SDick Kennedy int i; 192466d7ce93SDick Kennedy 192566d7ce93SDick Kennedy /* 192666d7ce93SDick Kennedy * The current_infop for the MRQ a NVME command IU was received 192766d7ce93SDick Kennedy * on is empty. Our goal is to replenish this MRQs context 192866d7ce93SDick Kennedy * list from a another CPUs. 192966d7ce93SDick Kennedy * 193066d7ce93SDick Kennedy * First we need to pick a context list to start looking on. 193166d7ce93SDick Kennedy * nvmet_ctx_start_cpu has available context the last time 193266d7ce93SDick Kennedy * we needed to replenish this CPU where nvmet_ctx_next_cpu 193366d7ce93SDick Kennedy * is just the next sequential CPU for this MRQ. 193466d7ce93SDick Kennedy */ 193566d7ce93SDick Kennedy if (current_infop->nvmet_ctx_start_cpu) 193666d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_start_cpu; 193766d7ce93SDick Kennedy else 193866d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_next_cpu; 193966d7ce93SDick Kennedy 1940222e9239SJames Smart for (i = 0; i < phba->sli4_hba.num_possible_cpu; i++) { 194166d7ce93SDick Kennedy if (get_infop == current_infop) { 194266d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 194366d7ce93SDick Kennedy continue; 194466d7ce93SDick Kennedy } 194566d7ce93SDick Kennedy spin_lock(&get_infop->nvmet_ctx_list_lock); 194666d7ce93SDick Kennedy 194766d7ce93SDick Kennedy /* Just take the entire context list, if there are any */ 194866d7ce93SDick Kennedy if (get_infop->nvmet_ctx_list_cnt) { 194966d7ce93SDick Kennedy list_splice_init(&get_infop->nvmet_ctx_list, 195066d7ce93SDick Kennedy ¤t_infop->nvmet_ctx_list); 195166d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt = 195266d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt - 1; 195366d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt = 0; 195466d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 195566d7ce93SDick Kennedy 195666d7ce93SDick Kennedy current_infop->nvmet_ctx_start_cpu = get_infop; 195766d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 195866d7ce93SDick Kennedy ctx_buf, struct lpfc_nvmet_ctxbuf, 195966d7ce93SDick Kennedy list); 196066d7ce93SDick Kennedy return ctx_buf; 196166d7ce93SDick Kennedy } 196266d7ce93SDick Kennedy 196366d7ce93SDick Kennedy /* Otherwise, move on to the next CPU for this MRQ */ 196466d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 196566d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 196666d7ce93SDick Kennedy } 196766d7ce93SDick Kennedy 19682299e432SDick Kennedy #endif 196966d7ce93SDick Kennedy /* Nothing found, all contexts for the MRQ are in-flight */ 197066d7ce93SDick Kennedy return NULL; 197166d7ce93SDick Kennedy } 197266d7ce93SDick Kennedy 1973d613b6a7SJames Smart /** 1974d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer 1975d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 197666d7ce93SDick Kennedy * @idx: relative index of MRQ vector 1977d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1978d613b6a7SJames Smart * 1979d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1980d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1981d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1982d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1983d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1984d613b6a7SJames Smart * of the discovery state machine. 1985d613b6a7SJames Smart **/ 1986d613b6a7SJames Smart static void 1987d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 198866d7ce93SDick Kennedy uint32_t idx, 1989d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 1990d613b6a7SJames Smart uint64_t isr_timestamp) 1991d613b6a7SJames Smart { 1992d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1993d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1994d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 19956c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 199666d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop; 1997d613b6a7SJames Smart uint32_t *payload; 1998472e146dSJames Smart uint32_t size, oxid, sid, qno; 19996c621a22SJames Smart unsigned long iflag; 200066d7ce93SDick Kennedy int current_cpu; 2001d613b6a7SJames Smart 200273626173SArnd Bergmann if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) 200373626173SArnd Bergmann return; 200473626173SArnd Bergmann 20056c621a22SJames Smart ctx_buf = NULL; 2006d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 2007d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 20086c621a22SJames Smart "6157 NVMET FCP Drop IO\n"); 2009472e146dSJames Smart if (nvmebuf) 2010472e146dSJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2011472e146dSJames Smart return; 2012d613b6a7SJames Smart } 2013d613b6a7SJames Smart 201466d7ce93SDick Kennedy /* 201566d7ce93SDick Kennedy * Get a pointer to the context list for this MRQ based on 201666d7ce93SDick Kennedy * the CPU this MRQ IRQ is associated with. If the CPU association 201766d7ce93SDick Kennedy * changes from our initial assumption, the context list could 201866d7ce93SDick Kennedy * be empty, thus it would need to be replenished with the 201966d7ce93SDick Kennedy * context list from another CPU for this MRQ. 202066d7ce93SDick Kennedy */ 202166d7ce93SDick Kennedy current_cpu = smp_processor_id(); 202266d7ce93SDick Kennedy current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); 202366d7ce93SDick Kennedy spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); 202466d7ce93SDick Kennedy if (current_infop->nvmet_ctx_list_cnt) { 202566d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 20266c621a22SJames Smart ctx_buf, struct lpfc_nvmet_ctxbuf, list); 202766d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt--; 2028966bb5b7SJames Smart } else { 202966d7ce93SDick Kennedy ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); 20306c621a22SJames Smart } 203166d7ce93SDick Kennedy spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); 20326c621a22SJames Smart 2033a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 2034a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 2035a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 2036a8cf5dfeSJames Smart 2037a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2038a8cf5dfeSJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { 203963df6d63SJames Smart if (current_cpu < LPFC_CHECK_CPU_CNT) { 204063df6d63SJames Smart if (idx != current_cpu) 204163df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 204263df6d63SJames Smart "6703 CPU Check rcv: " 204363df6d63SJames Smart "cpu %d expect %d\n", 204463df6d63SJames Smart current_cpu, idx); 204563df6d63SJames Smart phba->sli4_hba.hdwq[idx].cpucheck_rcv_io[current_cpu]++; 204663df6d63SJames Smart } 2047a8cf5dfeSJames Smart } 2048a8cf5dfeSJames Smart #endif 2049a8cf5dfeSJames Smart 2050a8cf5dfeSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", 2051a8cf5dfeSJames Smart oxid, size, smp_processor_id()); 2052a8cf5dfeSJames Smart 2053411de511SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2054411de511SJames Smart 20556c621a22SJames Smart if (!ctx_buf) { 2056a8cf5dfeSJames Smart /* Queue this NVME IO to process later */ 2057a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 2058a8cf5dfeSJames Smart list_add_tail(&nvmebuf->hbuf.list, 2059a8cf5dfeSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list); 2060a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt++; 2061a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_total++; 2062a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 2063a8cf5dfeSJames Smart iflag); 2064a8cf5dfeSJames Smart 2065a8cf5dfeSJames Smart /* Post a brand new DMA buffer to RQ */ 2066a8cf5dfeSJames Smart qno = nvmebuf->idx; 2067a8cf5dfeSJames Smart lpfc_post_rq_buffer( 2068a8cf5dfeSJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 2069a8cf5dfeSJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 2070411de511SJames Smart 2071411de511SJames Smart atomic_inc(&tgtp->defer_ctx); 2072a8cf5dfeSJames Smart return; 20736c621a22SJames Smart } 2074d613b6a7SJames Smart 2075d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 2076d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 2077d613b6a7SJames Smart 20786c621a22SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 2079ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_FREE) { 2080ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2081ce1b591cSJames Smart "6414 NVMET Context corrupt %d %d oxid x%x\n", 2082ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 2083ce1b591cSJames Smart } 2084d613b6a7SJames Smart ctxp->wqeq = NULL; 2085d613b6a7SJames Smart ctxp->txrdy = NULL; 2086d613b6a7SJames Smart ctxp->offset = 0; 2087d613b6a7SJames Smart ctxp->phba = phba; 2088d613b6a7SJames Smart ctxp->size = size; 2089d613b6a7SJames Smart ctxp->oxid = oxid; 2090d613b6a7SJames Smart ctxp->sid = sid; 209166d7ce93SDick Kennedy ctxp->idx = idx; 2092d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 2093d613b6a7SJames Smart ctxp->entry_cnt = 1; 2094d613b6a7SJames Smart ctxp->flag = 0; 20956c621a22SJames Smart ctxp->ctxbuf = ctx_buf; 2096cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 20971fbf9742SJames Smart ctxp->hdwq = NULL; 20982b7824d0SJames Smart spin_lock_init(&ctxp->ctxlock); 2099d613b6a7SJames Smart 21002b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2101c8a4ce0bSDick Kennedy if (isr_timestamp) { 21022b65e182SJames Smart ctxp->ts_isr_cmd = isr_timestamp; 21032b65e182SJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 21042b65e182SJames Smart ctxp->ts_nvme_data = 0; 21052b65e182SJames Smart ctxp->ts_data_wqput = 0; 21062b65e182SJames Smart ctxp->ts_isr_data = 0; 21072b65e182SJames Smart ctxp->ts_data_nvme = 0; 21082b65e182SJames Smart ctxp->ts_nvme_status = 0; 21092b65e182SJames Smart ctxp->ts_status_wqput = 0; 21102b65e182SJames Smart ctxp->ts_isr_status = 0; 21112b65e182SJames Smart ctxp->ts_status_nvme = 0; 2112c8a4ce0bSDick Kennedy } else { 2113c8a4ce0bSDick Kennedy ctxp->ts_cmd_nvme = 0; 21142b65e182SJames Smart } 21152b65e182SJames Smart #endif 21162b65e182SJames Smart 2117d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 2118472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 2119d613b6a7SJames Smart } 2120d613b6a7SJames Smart 2121d613b6a7SJames Smart /** 2122d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport 2123d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 2124d613b6a7SJames Smart * @pring: pointer to a SLI ring. 2125d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2126d613b6a7SJames Smart * 2127d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2128d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2129d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2130d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the 2131d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2132d613b6a7SJames Smart **/ 2133d613b6a7SJames Smart void 2134d613b6a7SJames Smart lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 2135d613b6a7SJames Smart struct lpfc_iocbq *piocb) 2136d613b6a7SJames Smart { 2137d613b6a7SJames Smart struct lpfc_dmabuf *d_buf; 2138d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf; 2139d613b6a7SJames Smart 2140d613b6a7SJames Smart d_buf = piocb->context2; 2141d613b6a7SJames Smart nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); 2142d613b6a7SJames Smart 2143d613b6a7SJames Smart if (phba->nvmet_support == 0) { 2144d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 2145d613b6a7SJames Smart return; 2146d613b6a7SJames Smart } 2147d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf); 2148d613b6a7SJames Smart } 2149d613b6a7SJames Smart 2150d613b6a7SJames Smart /** 2151d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport 2152d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 215366d7ce93SDick Kennedy * @idx: relative index of MRQ vector 2154d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2155d613b6a7SJames Smart * 2156d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2157d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2158d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2159d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the 2160d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2161d613b6a7SJames Smart **/ 2162d613b6a7SJames Smart void 2163d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, 216466d7ce93SDick Kennedy uint32_t idx, 2165d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 2166d613b6a7SJames Smart uint64_t isr_timestamp) 2167d613b6a7SJames Smart { 2168d613b6a7SJames Smart if (phba->nvmet_support == 0) { 21696c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2170d613b6a7SJames Smart return; 2171d613b6a7SJames Smart } 217266d7ce93SDick Kennedy lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, 2173d613b6a7SJames Smart isr_timestamp); 2174d613b6a7SJames Smart } 2175d613b6a7SJames Smart 2176d613b6a7SJames Smart /** 2177d613b6a7SJames Smart * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure 2178d613b6a7SJames Smart * @phba: pointer to a host N_Port data structure. 2179d613b6a7SJames Smart * @ctxp: Context info for NVME LS Request 2180d613b6a7SJames Smart * @rspbuf: DMA buffer of NVME command. 2181d613b6a7SJames Smart * @rspsize: size of the NVME command. 2182d613b6a7SJames Smart * 2183d613b6a7SJames Smart * This routine is used for allocating a lpfc-WQE data structure from 2184d613b6a7SJames Smart * the driver lpfc-WQE free-list and prepare the WQE with the parameters 2185d613b6a7SJames Smart * passed into the routine for discovery state machine to issue an Extended 2186d613b6a7SJames Smart * Link Service (NVME) commands. It is a generic lpfc-WQE allocation 2187d613b6a7SJames Smart * and preparation routine that is used by all the discovery state machine 2188d613b6a7SJames Smart * routines and the NVME command-specific fields will be later set up by 2189d613b6a7SJames Smart * the individual discovery machine routines after calling this routine 2190d613b6a7SJames Smart * allocating and preparing a generic WQE data structure. It fills in the 2191d613b6a7SJames Smart * Buffer Descriptor Entries (BDEs), allocates buffers for both command 2192d613b6a7SJames Smart * payload and response payload (if expected). The reference count on the 2193d613b6a7SJames Smart * ndlp is incremented by 1 and the reference to the ndlp is put into 2194d613b6a7SJames Smart * context1 of the WQE data structure for this WQE to hold the ndlp 2195d613b6a7SJames Smart * reference for the command's callback function to access later. 2196d613b6a7SJames Smart * 2197d613b6a7SJames Smart * Return code 2198d613b6a7SJames Smart * Pointer to the newly allocated/prepared nvme wqe data structure 2199d613b6a7SJames Smart * NULL - when nvme wqe data structure allocation/preparation failed 2200d613b6a7SJames Smart **/ 2201d613b6a7SJames Smart static struct lpfc_iocbq * 2202d613b6a7SJames Smart lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, 2203d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2204d613b6a7SJames Smart dma_addr_t rspbuf, uint16_t rspsize) 2205d613b6a7SJames Smart { 2206d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2207d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2208205e8240SJames Smart union lpfc_wqe128 *wqe; 2209d613b6a7SJames Smart 2210d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2211d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2212ce1b591cSJames Smart "6104 NVMET prep LS wqe: link err: " 2213ce1b591cSJames Smart "NPORT x%x oxid:x%x ste %d\n", 2214ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2215d613b6a7SJames Smart return NULL; 2216d613b6a7SJames Smart } 2217d613b6a7SJames Smart 2218d613b6a7SJames Smart /* Allocate buffer for command wqe */ 2219d613b6a7SJames Smart nvmewqe = lpfc_sli_get_iocbq(phba); 2220d613b6a7SJames Smart if (nvmewqe == NULL) { 2221d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2222ce1b591cSJames Smart "6105 NVMET prep LS wqe: No WQE: " 2223ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2224ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2225d613b6a7SJames Smart return NULL; 2226d613b6a7SJames Smart } 2227d613b6a7SJames Smart 2228d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2229d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2230d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2231d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2232d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2233ce1b591cSJames Smart "6106 NVMET prep LS wqe: No ndlp: " 2234ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2235ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2236d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2237d613b6a7SJames Smart } 2238d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2239d613b6a7SJames Smart 2240d613b6a7SJames Smart /* prevent preparing wqe with NULL ndlp reference */ 2241d613b6a7SJames Smart nvmewqe->context1 = lpfc_nlp_get(ndlp); 2242d613b6a7SJames Smart if (nvmewqe->context1 == NULL) 2243d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2244d613b6a7SJames Smart nvmewqe->context2 = ctxp; 2245d613b6a7SJames Smart 2246d613b6a7SJames Smart wqe = &nvmewqe->wqe; 2247d613b6a7SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 2248d613b6a7SJames Smart 2249d613b6a7SJames Smart /* Words 0 - 2 */ 2250d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2251d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeSize = rspsize; 2252d613b6a7SJames Smart wqe->xmit_sequence.bde.addrLow = le32_to_cpu(putPaddrLow(rspbuf)); 2253d613b6a7SJames Smart wqe->xmit_sequence.bde.addrHigh = le32_to_cpu(putPaddrHigh(rspbuf)); 2254d613b6a7SJames Smart 2255d613b6a7SJames Smart /* Word 3 */ 2256d613b6a7SJames Smart 2257d613b6a7SJames Smart /* Word 4 */ 2258d613b6a7SJames Smart 2259d613b6a7SJames Smart /* Word 5 */ 2260d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); 2261d613b6a7SJames Smart bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); 2262d613b6a7SJames Smart bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); 22638b361639SJames Smart bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); 2264d613b6a7SJames Smart bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); 2265d613b6a7SJames Smart 2266d613b6a7SJames Smart /* Word 6 */ 2267d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, 2268d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2269d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->xmit_sequence.wqe_com, nvmewqe->sli4_xritag); 2270d613b6a7SJames Smart 2271d613b6a7SJames Smart /* Word 7 */ 2272d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, 2273d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2274d613b6a7SJames Smart bf_set(wqe_ct, &wqe->xmit_sequence.wqe_com, SLI4_CT_RPI); 2275d613b6a7SJames Smart bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); 2276d613b6a7SJames Smart bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); 2277d613b6a7SJames Smart 2278d613b6a7SJames Smart /* Word 8 */ 2279d613b6a7SJames Smart wqe->xmit_sequence.wqe_com.abort_tag = nvmewqe->iotag; 2280d613b6a7SJames Smart 2281d613b6a7SJames Smart /* Word 9 */ 2282d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->xmit_sequence.wqe_com, nvmewqe->iotag); 2283d613b6a7SJames Smart /* Needs to be set by caller */ 2284d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ctxp->oxid); 2285d613b6a7SJames Smart 2286d613b6a7SJames Smart /* Word 10 */ 2287d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); 2288d613b6a7SJames Smart bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2289d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, 2290d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2291d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); 2292d613b6a7SJames Smart 2293d613b6a7SJames Smart /* Word 11 */ 2294d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->xmit_sequence.wqe_com, 2295d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2296d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->xmit_sequence.wqe_com, 2297d613b6a7SJames Smart OTHER_COMMAND); 2298d613b6a7SJames Smart 2299d613b6a7SJames Smart /* Word 12 */ 2300d613b6a7SJames Smart wqe->xmit_sequence.xmit_len = rspsize; 2301d613b6a7SJames Smart 2302d613b6a7SJames Smart nvmewqe->retry = 1; 2303d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2304d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2305d613b6a7SJames Smart nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; 2306d613b6a7SJames Smart 2307ce1b591cSJames Smart /* Xmit NVMET response to remote NPORT <did> */ 2308d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 2309ce1b591cSJames Smart "6039 Xmit NVMET LS response to remote " 2310d613b6a7SJames Smart "NPORT x%x iotag:x%x oxid:x%x size:x%x\n", 2311d613b6a7SJames Smart ndlp->nlp_DID, nvmewqe->iotag, ctxp->oxid, 2312d613b6a7SJames Smart rspsize); 2313d613b6a7SJames Smart return nvmewqe; 2314d613b6a7SJames Smart 2315d613b6a7SJames Smart nvme_wqe_free_wqeq_exit: 2316d613b6a7SJames Smart nvmewqe->context2 = NULL; 2317d613b6a7SJames Smart nvmewqe->context3 = NULL; 2318d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, nvmewqe); 2319d613b6a7SJames Smart return NULL; 2320d613b6a7SJames Smart } 2321d613b6a7SJames Smart 2322d613b6a7SJames Smart 2323d613b6a7SJames Smart static struct lpfc_iocbq * 2324d613b6a7SJames Smart lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, 2325d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 2326d613b6a7SJames Smart { 2327d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req; 2328d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2329d613b6a7SJames Smart struct sli4_sge *sgl; 2330d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2331d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2332d613b6a7SJames Smart struct scatterlist *sgel; 2333d613b6a7SJames Smart union lpfc_wqe128 *wqe; 23340bc2b7c5SJames Smart struct ulp_bde64 *bde; 2335d613b6a7SJames Smart uint32_t *txrdy; 2336d613b6a7SJames Smart dma_addr_t physaddr; 2337d613b6a7SJames Smart int i, cnt; 23380bc2b7c5SJames Smart int do_pbde; 2339d613b6a7SJames Smart int xc = 1; 2340d613b6a7SJames Smart 2341d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2342d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2343ce1b591cSJames Smart "6107 NVMET prep FCP wqe: link err:" 2344ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2345ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2346d613b6a7SJames Smart return NULL; 2347d613b6a7SJames Smart } 2348d613b6a7SJames Smart 2349d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2350d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2351d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2352d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2353d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2354ce1b591cSJames Smart "6108 NVMET prep FCP wqe: no ndlp: " 2355ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2356ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2357d613b6a7SJames Smart return NULL; 2358d613b6a7SJames Smart } 2359d613b6a7SJames Smart 236081e6a637SJames Smart if (rsp->sg_cnt > lpfc_tgttemplate.max_sgl_segments) { 2361d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2362ce1b591cSJames Smart "6109 NVMET prep FCP wqe: seg cnt err: " 2363ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d cnt %d\n", 2364ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state, 2365ce1b591cSJames Smart phba->cfg_nvme_seg_cnt); 2366d613b6a7SJames Smart return NULL; 2367d613b6a7SJames Smart } 2368d613b6a7SJames Smart 2369d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2370d613b6a7SJames Smart nvmewqe = ctxp->wqeq; 2371d613b6a7SJames Smart if (nvmewqe == NULL) { 2372d613b6a7SJames Smart /* Allocate buffer for command wqe */ 23736c621a22SJames Smart nvmewqe = ctxp->ctxbuf->iocbq; 2374d613b6a7SJames Smart if (nvmewqe == NULL) { 2375d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2376ce1b591cSJames Smart "6110 NVMET prep FCP wqe: No " 2377ce1b591cSJames Smart "WQE: NPORT x%x oxid x%x ste %d\n", 2378ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2379d613b6a7SJames Smart return NULL; 2380d613b6a7SJames Smart } 2381d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2382d613b6a7SJames Smart xc = 0; /* create new XRI */ 2383d613b6a7SJames Smart nvmewqe->sli4_lxritag = NO_XRI; 2384d613b6a7SJames Smart nvmewqe->sli4_xritag = NO_XRI; 2385d613b6a7SJames Smart } 2386d613b6a7SJames Smart 2387d613b6a7SJames Smart /* Sanity check */ 2388d613b6a7SJames Smart if (((ctxp->state == LPFC_NVMET_STE_RCV) && 2389d613b6a7SJames Smart (ctxp->entry_cnt == 1)) || 2390ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_DATA)) { 2391205e8240SJames Smart wqe = &nvmewqe->wqe; 2392d613b6a7SJames Smart } else { 2393d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2394ce1b591cSJames Smart "6111 Wrong state NVMET FCP: %d cnt %d\n", 2395ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt); 2396d613b6a7SJames Smart return NULL; 2397d613b6a7SJames Smart } 2398d613b6a7SJames Smart 23996c621a22SJames Smart sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; 2400d613b6a7SJames Smart switch (rsp->op) { 2401d613b6a7SJames Smart case NVMET_FCOP_READDATA: 2402d613b6a7SJames Smart case NVMET_FCOP_READDATA_RSP: 2403bd3061baSJames Smart /* From the tsend template, initialize words 7 - 11 */ 2404bd3061baSJames Smart memcpy(&wqe->words[7], 2405bd3061baSJames Smart &lpfc_tsend_cmd_template.words[7], 2406bd3061baSJames Smart sizeof(uint32_t) * 5); 2407bd3061baSJames Smart 2408d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2409d613b6a7SJames Smart sgel = &rsp->sg[0]; 2410d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2411d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2412d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeSize = sg_dma_len(sgel); 2413d613b6a7SJames Smart wqe->fcp_tsend.bde.addrLow = cpu_to_le32(putPaddrLow(physaddr)); 2414d613b6a7SJames Smart wqe->fcp_tsend.bde.addrHigh = 2415d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2416d613b6a7SJames Smart 2417d613b6a7SJames Smart /* Word 3 */ 2418d613b6a7SJames Smart wqe->fcp_tsend.payload_offset_len = 0; 2419d613b6a7SJames Smart 2420d613b6a7SJames Smart /* Word 4 */ 2421d613b6a7SJames Smart wqe->fcp_tsend.relative_offset = ctxp->offset; 2422d613b6a7SJames Smart 2423d613b6a7SJames Smart /* Word 5 */ 2424bd3061baSJames Smart wqe->fcp_tsend.reserved = 0; 2425d613b6a7SJames Smart 2426d613b6a7SJames Smart /* Word 6 */ 2427d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_tsend.wqe_com, 2428d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2429d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_tsend.wqe_com, 2430d613b6a7SJames Smart nvmewqe->sli4_xritag); 2431d613b6a7SJames Smart 2432bd3061baSJames Smart /* Word 7 - set ar later */ 2433d613b6a7SJames Smart 2434d613b6a7SJames Smart /* Word 8 */ 2435d613b6a7SJames Smart wqe->fcp_tsend.wqe_com.abort_tag = nvmewqe->iotag; 2436d613b6a7SJames Smart 2437d613b6a7SJames Smart /* Word 9 */ 2438d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_tsend.wqe_com, nvmewqe->iotag); 2439d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_tsend.wqe_com, ctxp->oxid); 2440d613b6a7SJames Smart 2441bd3061baSJames Smart /* Word 10 - set wqes later, in template xc=1 */ 2442bd3061baSJames Smart if (!xc) 2443bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 0); 2444d613b6a7SJames Smart 2445bd3061baSJames Smart /* Word 11 - set sup, irsp, irsplen later */ 2446bd3061baSJames Smart do_pbde = 0; 2447d613b6a7SJames Smart 2448d613b6a7SJames Smart /* Word 12 */ 2449d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2450d613b6a7SJames Smart 2451d613b6a7SJames Smart /* Setup 2 SKIP SGEs */ 2452d613b6a7SJames Smart sgl->addr_hi = 0; 2453d613b6a7SJames Smart sgl->addr_lo = 0; 2454d613b6a7SJames Smart sgl->word2 = 0; 2455d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2456d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2457d613b6a7SJames Smart sgl->sge_len = 0; 2458d613b6a7SJames Smart sgl++; 2459d613b6a7SJames Smart sgl->addr_hi = 0; 2460d613b6a7SJames Smart sgl->addr_lo = 0; 2461d613b6a7SJames Smart sgl->word2 = 0; 2462d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2463d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2464d613b6a7SJames Smart sgl->sge_len = 0; 2465d613b6a7SJames Smart sgl++; 2466d613b6a7SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 2467d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read_rsp); 2468bd3061baSJames Smart 2469bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2470bd3061baSJames Smart 247120aefac3SJames Smart if (rsp->rsplen == LPFC_NVMET_SUCCESS_LEN) { 247220aefac3SJames Smart if (ndlp->nlp_flag & NLP_SUPPRESS_RSP) 247320aefac3SJames Smart bf_set(wqe_sup, 247420aefac3SJames Smart &wqe->fcp_tsend.wqe_com, 1); 2475d613b6a7SJames Smart } else { 2476d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 1); 2477d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 1); 2478d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 2479d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2480d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, 2481d613b6a7SJames Smart rsp->rsplen); 2482d613b6a7SJames Smart } 2483d613b6a7SJames Smart } else { 2484d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read); 2485d613b6a7SJames Smart 2486bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2487d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 0); 2488d613b6a7SJames Smart } 2489d613b6a7SJames Smart break; 2490d613b6a7SJames Smart 2491d613b6a7SJames Smart case NVMET_FCOP_WRITEDATA: 2492bd3061baSJames Smart /* From the treceive template, initialize words 3 - 11 */ 2493bd3061baSJames Smart memcpy(&wqe->words[3], 2494bd3061baSJames Smart &lpfc_treceive_cmd_template.words[3], 2495bd3061baSJames Smart sizeof(uint32_t) * 9); 2496bd3061baSJames Smart 2497d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2498771db5c0SRomain Perier txrdy = dma_pool_alloc(phba->txrdy_payload_pool, 2499d613b6a7SJames Smart GFP_KERNEL, &physaddr); 2500d613b6a7SJames Smart if (!txrdy) { 2501d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2502d613b6a7SJames Smart "6041 Bad txrdy buffer: oxid x%x\n", 2503d613b6a7SJames Smart ctxp->oxid); 2504d613b6a7SJames Smart return NULL; 2505d613b6a7SJames Smart } 2506d613b6a7SJames Smart ctxp->txrdy = txrdy; 2507d613b6a7SJames Smart ctxp->txrdy_phys = physaddr; 2508d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2509d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN; 2510d613b6a7SJames Smart wqe->fcp_treceive.bde.addrLow = 2511d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2512d613b6a7SJames Smart wqe->fcp_treceive.bde.addrHigh = 2513d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2514d613b6a7SJames Smart 2515d613b6a7SJames Smart /* Word 4 */ 2516d613b6a7SJames Smart wqe->fcp_treceive.relative_offset = ctxp->offset; 2517d613b6a7SJames Smart 2518d613b6a7SJames Smart /* Word 6 */ 2519d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_treceive.wqe_com, 2520d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2521d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_treceive.wqe_com, 2522d613b6a7SJames Smart nvmewqe->sli4_xritag); 2523d613b6a7SJames Smart 2524d613b6a7SJames Smart /* Word 7 */ 2525d613b6a7SJames Smart 2526d613b6a7SJames Smart /* Word 8 */ 2527d613b6a7SJames Smart wqe->fcp_treceive.wqe_com.abort_tag = nvmewqe->iotag; 2528d613b6a7SJames Smart 2529d613b6a7SJames Smart /* Word 9 */ 2530d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_treceive.wqe_com, nvmewqe->iotag); 2531d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_treceive.wqe_com, ctxp->oxid); 2532d613b6a7SJames Smart 2533bd3061baSJames Smart /* Word 10 - in template xc=1 */ 2534bd3061baSJames Smart if (!xc) 2535bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_treceive.wqe_com, 0); 2536d613b6a7SJames Smart 2537bd3061baSJames Smart /* Word 11 - set pbde later */ 2538414abe0aSJames Smart if (phba->cfg_enable_pbde) { 2539bd3061baSJames Smart do_pbde = 1; 2540bd3061baSJames Smart } else { 2541bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 0); 2542bd3061baSJames Smart do_pbde = 0; 2543bd3061baSJames Smart } 2544d613b6a7SJames Smart 2545d613b6a7SJames Smart /* Word 12 */ 2546d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2547d613b6a7SJames Smart 2548d613b6a7SJames Smart /* Setup 1 TXRDY and 1 SKIP SGE */ 2549d613b6a7SJames Smart txrdy[0] = 0; 2550d613b6a7SJames Smart txrdy[1] = cpu_to_be32(rsp->transfer_length); 2551d613b6a7SJames Smart txrdy[2] = 0; 2552d613b6a7SJames Smart 2553d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2554d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2555d613b6a7SJames Smart sgl->word2 = 0; 2556d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2557d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2558d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN); 2559d613b6a7SJames Smart sgl++; 2560d613b6a7SJames Smart sgl->addr_hi = 0; 2561d613b6a7SJames Smart sgl->addr_lo = 0; 2562d613b6a7SJames Smart sgl->word2 = 0; 2563d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2564d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2565d613b6a7SJames Smart sgl->sge_len = 0; 2566d613b6a7SJames Smart sgl++; 2567d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_write); 2568d613b6a7SJames Smart break; 2569d613b6a7SJames Smart 2570d613b6a7SJames Smart case NVMET_FCOP_RSP: 2571bd3061baSJames Smart /* From the treceive template, initialize words 4 - 11 */ 2572bd3061baSJames Smart memcpy(&wqe->words[4], 2573bd3061baSJames Smart &lpfc_trsp_cmd_template.words[4], 2574bd3061baSJames Smart sizeof(uint32_t) * 8); 2575bd3061baSJames Smart 2576d613b6a7SJames Smart /* Words 0 - 2 */ 2577d613b6a7SJames Smart physaddr = rsp->rspdma; 2578d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2579d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; 2580d613b6a7SJames Smart wqe->fcp_trsp.bde.addrLow = 2581d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2582d613b6a7SJames Smart wqe->fcp_trsp.bde.addrHigh = 2583d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2584d613b6a7SJames Smart 2585d613b6a7SJames Smart /* Word 3 */ 2586d613b6a7SJames Smart wqe->fcp_trsp.response_len = rsp->rsplen; 2587d613b6a7SJames Smart 2588d613b6a7SJames Smart /* Word 6 */ 2589d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_trsp.wqe_com, 2590d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2591d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_trsp.wqe_com, 2592d613b6a7SJames Smart nvmewqe->sli4_xritag); 2593d613b6a7SJames Smart 2594d613b6a7SJames Smart /* Word 7 */ 2595d613b6a7SJames Smart 2596d613b6a7SJames Smart /* Word 8 */ 2597d613b6a7SJames Smart wqe->fcp_trsp.wqe_com.abort_tag = nvmewqe->iotag; 2598d613b6a7SJames Smart 2599d613b6a7SJames Smart /* Word 9 */ 2600d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_trsp.wqe_com, nvmewqe->iotag); 2601d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_trsp.wqe_com, ctxp->oxid); 2602d613b6a7SJames Smart 2603d613b6a7SJames Smart /* Word 10 */ 2604bd3061baSJames Smart if (xc) 2605bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 1); 2606d613b6a7SJames Smart 2607d613b6a7SJames Smart /* Word 11 */ 2608bd3061baSJames Smart /* In template wqes=0 irsp=0 irsplen=0 - good response */ 2609bd3061baSJames Smart if (rsp->rsplen != LPFC_NVMET_SUCCESS_LEN) { 2610bd3061baSJames Smart /* Bad response - embed it */ 2611d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 1); 2612d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 1); 2613d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 2614d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2615d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, rsp->rsplen); 2616d613b6a7SJames Smart } 2617bd3061baSJames Smart do_pbde = 0; 2618bd3061baSJames Smart 2619bd3061baSJames Smart /* Word 12 */ 2620bd3061baSJames Smart wqe->fcp_trsp.rsvd_12_15[0] = 0; 2621d613b6a7SJames Smart 2622d613b6a7SJames Smart /* Use rspbuf, NOT sg list */ 2623d613b6a7SJames Smart rsp->sg_cnt = 0; 2624d613b6a7SJames Smart sgl->word2 = 0; 2625d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp); 2626d613b6a7SJames Smart break; 2627d613b6a7SJames Smart 2628d613b6a7SJames Smart default: 2629d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 2630d613b6a7SJames Smart "6064 Unknown Rsp Op %d\n", 2631d613b6a7SJames Smart rsp->op); 2632d613b6a7SJames Smart return NULL; 2633d613b6a7SJames Smart } 2634d613b6a7SJames Smart 2635d613b6a7SJames Smart nvmewqe->retry = 1; 2636d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2637d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2638d613b6a7SJames Smart nvmewqe->context1 = ndlp; 2639d613b6a7SJames Smart 2640d613b6a7SJames Smart for (i = 0; i < rsp->sg_cnt; i++) { 2641d613b6a7SJames Smart sgel = &rsp->sg[i]; 2642d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2643d613b6a7SJames Smart cnt = sg_dma_len(sgel); 2644d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2645d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2646d613b6a7SJames Smart sgl->word2 = 0; 2647d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2648d613b6a7SJames Smart bf_set(lpfc_sli4_sge_offset, sgl, ctxp->offset); 2649d613b6a7SJames Smart if ((i+1) == rsp->sg_cnt) 2650d613b6a7SJames Smart bf_set(lpfc_sli4_sge_last, sgl, 1); 2651d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2652d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(cnt); 2653414abe0aSJames Smart if (i == 0) { 26540bc2b7c5SJames Smart bde = (struct ulp_bde64 *)&wqe->words[13]; 2655414abe0aSJames Smart if (do_pbde) { 26560bc2b7c5SJames Smart /* Words 13-15 (PBDE) */ 26570bc2b7c5SJames Smart bde->addrLow = sgl->addr_lo; 26580bc2b7c5SJames Smart bde->addrHigh = sgl->addr_hi; 26590bc2b7c5SJames Smart bde->tus.f.bdeSize = 26600bc2b7c5SJames Smart le32_to_cpu(sgl->sge_len); 26610bc2b7c5SJames Smart bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; 26620bc2b7c5SJames Smart bde->tus.w = cpu_to_le32(bde->tus.w); 2663414abe0aSJames Smart } else { 2664414abe0aSJames Smart memset(bde, 0, sizeof(struct ulp_bde64)); 2665414abe0aSJames Smart } 26660bc2b7c5SJames Smart } 2667d613b6a7SJames Smart sgl++; 2668d613b6a7SJames Smart ctxp->offset += cnt; 2669d613b6a7SJames Smart } 2670ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_DATA; 2671ce1b591cSJames Smart ctxp->entry_cnt++; 2672d613b6a7SJames Smart return nvmewqe; 2673d613b6a7SJames Smart } 2674d613b6a7SJames Smart 2675d613b6a7SJames Smart /** 2676d613b6a7SJames Smart * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS 2677d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2678d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2679d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2680d613b6a7SJames Smart * 2681d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2682d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2683d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2684d613b6a7SJames Smart **/ 2685d613b6a7SJames Smart static void 2686d613b6a7SJames Smart lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2687d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2688d613b6a7SJames Smart { 2689d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2690d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2691d613b6a7SJames Smart uint32_t status, result; 269219b58d94SJames Smart unsigned long flags; 269319b58d94SJames Smart bool released = false; 2694d613b6a7SJames Smart 2695d613b6a7SJames Smart ctxp = cmdwqe->context2; 2696d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2697d613b6a7SJames Smart result = wcqe->parameter; 2698d613b6a7SJames Smart 2699d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2700547077a4SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 2701547077a4SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 2702d613b6a7SJames Smart 2703c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 2704d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 270586c67379SJames Smart 270686c67379SJames Smart /* Check if we already received a free context call 270786c67379SJames Smart * and we have completed processing an abort situation. 270886c67379SJames Smart */ 270986c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 271086c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 2711c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 271286c67379SJames Smart list_del(&ctxp->list); 2713c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 271419b58d94SJames Smart released = true; 271586c67379SJames Smart } 271619b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 271719b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2718547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 271919b58d94SJames Smart 2720e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 272186c67379SJames Smart "6165 ABORT cmpl: xri x%x flg x%x (%d) " 272286c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 272386c67379SJames Smart ctxp->oxid, ctxp->flag, released, 272486c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 272586c67379SJames Smart result, wcqe->word3); 272686c67379SJames Smart 27276c621a22SJames Smart cmdwqe->context2 = NULL; 27286c621a22SJames Smart cmdwqe->context3 = NULL; 272919b58d94SJames Smart /* 273019b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 273119b58d94SJames Smart * will be recycled by transport release call. 273219b58d94SJames Smart */ 273319b58d94SJames Smart if (released) 27346c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 2735d613b6a7SJames Smart 27366c621a22SJames Smart /* This is the iocbq for the abort, not the command */ 2737d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 273886c67379SJames Smart 273986c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 274086c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 274186c67379SJames Smart * should have been called already. 274286c67379SJames Smart */ 2743d613b6a7SJames Smart } 2744d613b6a7SJames Smart 2745d613b6a7SJames Smart /** 274686c67379SJames Smart * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS 2747d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2748d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2749d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2750d613b6a7SJames Smart * 2751d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2752d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2753d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2754d613b6a7SJames Smart **/ 2755d613b6a7SJames Smart static void 275686c67379SJames Smart lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2757d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2758d613b6a7SJames Smart { 2759d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2760d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 276119b58d94SJames Smart unsigned long flags; 2762d613b6a7SJames Smart uint32_t status, result; 276319b58d94SJames Smart bool released = false; 2764d613b6a7SJames Smart 2765d613b6a7SJames Smart ctxp = cmdwqe->context2; 2766d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2767d613b6a7SJames Smart result = wcqe->parameter; 2768d613b6a7SJames Smart 276986c67379SJames Smart if (!ctxp) { 277086c67379SJames Smart /* if context is clear, related io alrady complete */ 2771d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 277286c67379SJames Smart "6070 ABTS cmpl: WCQE: %08x %08x %08x %08x\n", 277386c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 2774d613b6a7SJames Smart result, wcqe->word3); 277586c67379SJames Smart return; 277686c67379SJames Smart } 2777d613b6a7SJames Smart 277878e1d200SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2779c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 278078e1d200SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 278178e1d200SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 278278e1d200SJames Smart 2783d613b6a7SJames Smart /* Sanity check */ 2784d613b6a7SJames Smart if (ctxp->state != LPFC_NVMET_STE_ABORT) { 2785d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 278686c67379SJames Smart "6112 ABTS Wrong state:%d oxid x%x\n", 2787d613b6a7SJames Smart ctxp->state, ctxp->oxid); 2788d613b6a7SJames Smart } 278986c67379SJames Smart 279086c67379SJames Smart /* Check if we already received a free context call 279186c67379SJames Smart * and we have completed processing an abort situation. 279286c67379SJames Smart */ 2793d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 279486c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 279586c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 2796c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 279786c67379SJames Smart list_del(&ctxp->list); 2798c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 279919b58d94SJames Smart released = true; 280086c67379SJames Smart } 280119b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 280219b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2803547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 280419b58d94SJames Smart 280586c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 280686c67379SJames Smart "6316 ABTS cmpl xri x%x flg x%x (%x) " 280786c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 280886c67379SJames Smart ctxp->oxid, ctxp->flag, released, 280986c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 281086c67379SJames Smart result, wcqe->word3); 28116c621a22SJames Smart 28126c621a22SJames Smart cmdwqe->context2 = NULL; 28136c621a22SJames Smart cmdwqe->context3 = NULL; 281419b58d94SJames Smart /* 281519b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 281619b58d94SJames Smart * will be recycled by transport release call. 281719b58d94SJames Smart */ 281819b58d94SJames Smart if (released) 28196c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 282086c67379SJames Smart 282186c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 282286c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 282386c67379SJames Smart * should have been called already. 282486c67379SJames Smart */ 2825d613b6a7SJames Smart } 2826d613b6a7SJames Smart 2827d613b6a7SJames Smart /** 2828d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS 2829d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2830d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2831d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2832d613b6a7SJames Smart * 2833d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2834d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for LS cmds 2835d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2836d613b6a7SJames Smart **/ 2837d613b6a7SJames Smart static void 2838d613b6a7SJames Smart lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2839d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2840d613b6a7SJames Smart { 2841d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2842d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2843d613b6a7SJames Smart uint32_t status, result; 2844d613b6a7SJames Smart 2845d613b6a7SJames Smart ctxp = cmdwqe->context2; 2846d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2847d613b6a7SJames Smart result = wcqe->parameter; 2848d613b6a7SJames Smart 2849d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2850547077a4SJames Smart atomic_inc(&tgtp->xmt_ls_abort_cmpl); 2851d613b6a7SJames Smart 2852d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2853d613b6a7SJames Smart "6083 Abort cmpl: ctx %p WCQE:%08x %08x %08x %08x\n", 2854d613b6a7SJames Smart ctxp, wcqe->word0, wcqe->total_data_placed, 2855d613b6a7SJames Smart result, wcqe->word3); 2856d613b6a7SJames Smart 2857ce1b591cSJames Smart if (!ctxp) { 2858ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2859ce1b591cSJames Smart "6415 NVMET LS Abort No ctx: WCQE: " 2860ce1b591cSJames Smart "%08x %08x %08x %08x\n", 2861ce1b591cSJames Smart wcqe->word0, wcqe->total_data_placed, 2862ce1b591cSJames Smart result, wcqe->word3); 2863ce1b591cSJames Smart 2864ce1b591cSJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2865ce1b591cSJames Smart return; 2866ce1b591cSJames Smart } 2867ce1b591cSJames Smart 2868ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) { 2869ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2870ce1b591cSJames Smart "6416 NVMET LS abort cmpl state mismatch: " 2871ce1b591cSJames Smart "oxid x%x: %d %d\n", 2872ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 2873ce1b591cSJames Smart } 2874ce1b591cSJames Smart 2875d613b6a7SJames Smart cmdwqe->context2 = NULL; 2876d613b6a7SJames Smart cmdwqe->context3 = NULL; 2877d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2878d613b6a7SJames Smart kfree(ctxp); 2879d613b6a7SJames Smart } 2880d613b6a7SJames Smart 2881d613b6a7SJames Smart static int 2882d613b6a7SJames Smart lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, 2883d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2884d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2885d613b6a7SJames Smart { 2886d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2887d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2888205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 2889d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2890d613b6a7SJames Smart 2891d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 289286c67379SJames Smart "6067 ABTS: sid %x xri x%x/x%x\n", 2893318083adSJames Smart sid, xri, ctxp->wqeq->sli4_xritag); 2894d613b6a7SJames Smart 2895d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2896d613b6a7SJames Smart 2897d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2898d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2899d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2900d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2901d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2902ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2903d613b6a7SJames Smart "6134 Drop ABTS - wrong NDLP state x%x.\n", 2904b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2905d613b6a7SJames Smart 2906d613b6a7SJames Smart /* No failure to an ABTS request. */ 2907d613b6a7SJames Smart return 0; 2908d613b6a7SJames Smart } 2909d613b6a7SJames Smart 2910d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 2911d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 2912d613b6a7SJames Smart 2913d613b6a7SJames Smart /* 2914d613b6a7SJames Smart * Since we zero the whole WQE, we need to ensure we set the WQE fields 2915d613b6a7SJames Smart * that were initialized in lpfc_sli4_nvmet_alloc. 2916d613b6a7SJames Smart */ 2917d613b6a7SJames Smart memset(wqe_abts, 0, sizeof(union lpfc_wqe)); 2918d613b6a7SJames Smart 2919d613b6a7SJames Smart /* Word 5 */ 2920d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe_abts->xmit_sequence.wge_ctl, 0); 2921d613b6a7SJames Smart bf_set(wqe_ls, &wqe_abts->xmit_sequence.wge_ctl, 1); 2922d613b6a7SJames Smart bf_set(wqe_la, &wqe_abts->xmit_sequence.wge_ctl, 0); 2923d613b6a7SJames Smart bf_set(wqe_rctl, &wqe_abts->xmit_sequence.wge_ctl, FC_RCTL_BA_ABTS); 2924d613b6a7SJames Smart bf_set(wqe_type, &wqe_abts->xmit_sequence.wge_ctl, FC_TYPE_BLS); 2925d613b6a7SJames Smart 2926d613b6a7SJames Smart /* Word 6 */ 2927d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe_abts->xmit_sequence.wqe_com, 2928d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2929d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe_abts->xmit_sequence.wqe_com, 2930d613b6a7SJames Smart abts_wqeq->sli4_xritag); 2931d613b6a7SJames Smart 2932d613b6a7SJames Smart /* Word 7 */ 2933d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe_abts->xmit_sequence.wqe_com, 2934d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2935d613b6a7SJames Smart bf_set(wqe_ct, &wqe_abts->xmit_sequence.wqe_com, SLI4_CT_RPI); 2936d613b6a7SJames Smart bf_set(wqe_class, &wqe_abts->xmit_sequence.wqe_com, CLASS3); 2937d613b6a7SJames Smart bf_set(wqe_pu, &wqe_abts->xmit_sequence.wqe_com, 0); 2938d613b6a7SJames Smart 2939d613b6a7SJames Smart /* Word 8 */ 2940d613b6a7SJames Smart wqe_abts->xmit_sequence.wqe_com.abort_tag = abts_wqeq->iotag; 2941d613b6a7SJames Smart 2942d613b6a7SJames Smart /* Word 9 */ 2943d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe_abts->xmit_sequence.wqe_com, abts_wqeq->iotag); 2944d613b6a7SJames Smart /* Needs to be set by caller */ 2945d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe_abts->xmit_sequence.wqe_com, xri); 2946d613b6a7SJames Smart 2947d613b6a7SJames Smart /* Word 10 */ 2948d613b6a7SJames Smart bf_set(wqe_dbde, &wqe_abts->xmit_sequence.wqe_com, 1); 2949d613b6a7SJames Smart bf_set(wqe_iod, &wqe_abts->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2950d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe_abts->xmit_sequence.wqe_com, 2951d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2952d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe_abts->xmit_sequence.wqe_com, 0); 2953d613b6a7SJames Smart bf_set(wqe_qosd, &wqe_abts->xmit_sequence.wqe_com, 0); 2954d613b6a7SJames Smart 2955d613b6a7SJames Smart /* Word 11 */ 2956d613b6a7SJames Smart bf_set(wqe_cqid, &wqe_abts->xmit_sequence.wqe_com, 2957d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2958d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe_abts->xmit_sequence.wqe_com, 2959d613b6a7SJames Smart OTHER_COMMAND); 2960d613b6a7SJames Smart 2961d613b6a7SJames Smart abts_wqeq->vport = phba->pport; 2962d613b6a7SJames Smart abts_wqeq->context1 = ndlp; 2963d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 2964d613b6a7SJames Smart abts_wqeq->context3 = NULL; 2965d613b6a7SJames Smart abts_wqeq->rsvd2 = 0; 2966d613b6a7SJames Smart /* hba_wqidx should already be setup from command we are aborting */ 2967d613b6a7SJames Smart abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; 2968d613b6a7SJames Smart abts_wqeq->iocb.ulpLe = 1; 2969d613b6a7SJames Smart 2970d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2971d613b6a7SJames Smart "6069 Issue ABTS to xri x%x reqtag x%x\n", 2972d613b6a7SJames Smart xri, abts_wqeq->iotag); 2973d613b6a7SJames Smart return 1; 2974d613b6a7SJames Smart } 2975d613b6a7SJames Smart 2976d613b6a7SJames Smart static int 2977d613b6a7SJames Smart lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, 2978d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2979d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2980d613b6a7SJames Smart { 2981d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2982d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2983205e8240SJames Smart union lpfc_wqe128 *abts_wqe; 2984d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2985d613b6a7SJames Smart unsigned long flags; 2986d613b6a7SJames Smart int rc; 2987d613b6a7SJames Smart 2988d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2989d613b6a7SJames Smart if (!ctxp->wqeq) { 29906c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 2991d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 2992d613b6a7SJames Smart } 2993d613b6a7SJames Smart 2994d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2995d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2996d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2997d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2998d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2999ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 300086c67379SJames Smart "6160 Drop ABORT - wrong NDLP state x%x.\n", 3001b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 3002d613b6a7SJames Smart 3003d613b6a7SJames Smart /* No failure to an ABTS request. */ 3004c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 300586c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3006c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3007d613b6a7SJames Smart return 0; 3008d613b6a7SJames Smart } 3009d613b6a7SJames Smart 3010d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3011d613b6a7SJames Smart ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); 3012c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 3013d613b6a7SJames Smart if (!ctxp->abort_wqeq) { 3014547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3015ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 301686c67379SJames Smart "6161 ABORT failed: No wqeqs: " 3017d613b6a7SJames Smart "xri: x%x\n", ctxp->oxid); 3018d613b6a7SJames Smart /* No failure to an ABTS request. */ 301986c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3020c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3021d613b6a7SJames Smart return 0; 3022d613b6a7SJames Smart } 3023d613b6a7SJames Smart abts_wqeq = ctxp->abort_wqeq; 3024d613b6a7SJames Smart abts_wqe = &abts_wqeq->wqe; 3025d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3026c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3027d613b6a7SJames Smart 3028d613b6a7SJames Smart /* Announce entry to new IO submit field. */ 302986c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 303086c67379SJames Smart "6162 ABORT Request to rport DID x%06x " 3031d613b6a7SJames Smart "for xri x%x x%x\n", 3032d613b6a7SJames Smart ctxp->sid, ctxp->oxid, ctxp->wqeq->sli4_xritag); 3033d613b6a7SJames Smart 3034d613b6a7SJames Smart /* If the hba is getting reset, this flag is set. It is 3035d613b6a7SJames Smart * cleared when the reset is complete and rings reestablished. 3036d613b6a7SJames Smart */ 3037d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3038d613b6a7SJames Smart /* driver queued commands are in process of being flushed */ 3039d613b6a7SJames Smart if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) { 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 "6163 Driver in reset cleanup - flushing " 3044d613b6a7SJames Smart "NVME Req now. hba_flag x%x oxid x%x\n", 3045d613b6a7SJames Smart phba->hba_flag, ctxp->oxid); 3046d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3047c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 304886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3049c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3050d613b6a7SJames Smart return 0; 3051d613b6a7SJames Smart } 3052d613b6a7SJames Smart 3053d613b6a7SJames Smart /* Outstanding abort is in progress */ 3054d613b6a7SJames Smart if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { 3055d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3056547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3057d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3058d613b6a7SJames Smart "6164 Outstanding NVME I/O Abort Request " 3059d613b6a7SJames Smart "still pending on oxid x%x\n", 3060d613b6a7SJames Smart ctxp->oxid); 3061d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3062c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 306386c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3064c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3065d613b6a7SJames Smart return 0; 3066d613b6a7SJames Smart } 3067d613b6a7SJames Smart 3068d613b6a7SJames Smart /* Ready - mark outstanding as aborted by driver. */ 3069d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; 3070d613b6a7SJames Smart 3071d613b6a7SJames Smart /* WQEs are reused. Clear stale data and set key fields to 3072d613b6a7SJames Smart * zero like ia, iaab, iaar, xri_tag, and ctxt_tag. 3073d613b6a7SJames Smart */ 3074d613b6a7SJames Smart memset(abts_wqe, 0, sizeof(union lpfc_wqe)); 3075d613b6a7SJames Smart 3076d613b6a7SJames Smart /* word 3 */ 3077d613b6a7SJames Smart bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); 3078d613b6a7SJames Smart 3079d613b6a7SJames Smart /* word 7 */ 3080d613b6a7SJames Smart bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); 3081d613b6a7SJames Smart bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); 3082d613b6a7SJames Smart 3083d613b6a7SJames Smart /* word 8 - tell the FW to abort the IO associated with this 3084d613b6a7SJames Smart * outstanding exchange ID. 3085d613b6a7SJames Smart */ 3086d613b6a7SJames Smart abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag; 3087d613b6a7SJames Smart 3088d613b6a7SJames Smart /* word 9 - this is the iotag for the abts_wqe completion. */ 3089d613b6a7SJames Smart bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, 3090d613b6a7SJames Smart abts_wqeq->iotag); 3091d613b6a7SJames Smart 3092d613b6a7SJames Smart /* word 10 */ 3093d613b6a7SJames Smart bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); 3094d613b6a7SJames Smart bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); 3095d613b6a7SJames Smart 3096d613b6a7SJames Smart /* word 11 */ 3097d613b6a7SJames Smart bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); 3098d613b6a7SJames Smart bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); 3099d613b6a7SJames Smart bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 3100d613b6a7SJames Smart 3101d613b6a7SJames Smart /* ABTS WQE must go to the same WQ as the WQE to be aborted */ 3102d613b6a7SJames Smart abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; 3103d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; 3104d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3105d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME; 3106d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 31074550f9c7SJames Smart abts_wqeq->vport = phba->pport; 31081fbf9742SJames Smart if (!ctxp->hdwq) 31091fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 31101fbf9742SJames Smart 31111fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3112d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3113547077a4SJames Smart if (rc == WQE_SUCCESS) { 3114547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_sol); 3115d613b6a7SJames Smart return 0; 3116547077a4SJames Smart } 3117d613b6a7SJames Smart 3118547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3119c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 312086c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3121c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3122d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 312386c67379SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 312486c67379SJames Smart "6166 Failed ABORT issue_wqe with status x%x " 3125d613b6a7SJames Smart "for oxid x%x.\n", 3126d613b6a7SJames Smart rc, ctxp->oxid); 3127d613b6a7SJames Smart return 1; 3128d613b6a7SJames Smart } 3129d613b6a7SJames Smart 3130d613b6a7SJames Smart static int 3131d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, 3132d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3133d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3134d613b6a7SJames Smart { 3135d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3136d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3137d613b6a7SJames Smart unsigned long flags; 3138c160c0f8SJames Smart bool released = false; 3139d613b6a7SJames Smart int rc; 3140d613b6a7SJames Smart 3141d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3142d613b6a7SJames Smart if (!ctxp->wqeq) { 31436c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 3144d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 3145d613b6a7SJames Smart } 3146d613b6a7SJames Smart 3147ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 3148ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3149ce1b591cSJames Smart "6417 NVMET ABORT ctx freed %d %d oxid x%x\n", 3150ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 3151ce1b591cSJames Smart rc = WQE_BUSY; 3152ce1b591cSJames Smart goto aerr; 3153ce1b591cSJames Smart } 3154ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3155ce1b591cSJames Smart ctxp->entry_cnt++; 3156d613b6a7SJames Smart rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); 3157d613b6a7SJames Smart if (rc == 0) 3158d613b6a7SJames Smart goto aerr; 3159d613b6a7SJames Smart 3160d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3161d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 316286c67379SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; 316386c67379SJames Smart abts_wqeq->iocb_cmpl = NULL; 3164d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVMET; 31651fbf9742SJames Smart if (!ctxp->hdwq) 31661fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 31671fbf9742SJames Smart 31681fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3169d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3170d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3171d613b6a7SJames Smart return 0; 3172d613b6a7SJames Smart } 3173d613b6a7SJames Smart 3174d613b6a7SJames Smart aerr: 317568c9b55dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 3176c160c0f8SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) { 3177c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 317868c9b55dSJames Smart list_del(&ctxp->list); 3179c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 3180c160c0f8SJames Smart released = true; 3181c160c0f8SJames Smart } 318268c9b55dSJames Smart ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS); 318368c9b55dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 318468c9b55dSJames Smart 3185d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3186ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3187d613b6a7SJames Smart "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n", 3188d613b6a7SJames Smart ctxp->oxid, rc); 3189c160c0f8SJames Smart if (released) 319068c9b55dSJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 3191d613b6a7SJames Smart return 1; 3192d613b6a7SJames Smart } 3193d613b6a7SJames Smart 3194d613b6a7SJames Smart static int 3195d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, 3196d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3197d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3198d613b6a7SJames Smart { 3199d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3200d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3201205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 3202d613b6a7SJames Smart unsigned long flags; 3203d613b6a7SJames Smart int rc; 3204d613b6a7SJames Smart 3205ce1b591cSJames Smart if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) || 3206ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) { 3207ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3208ce1b591cSJames Smart ctxp->entry_cnt++; 3209ce1b591cSJames Smart } else { 3210ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3211ce1b591cSJames Smart "6418 NVMET LS abort state mismatch " 3212ce1b591cSJames Smart "IO x%x: %d %d\n", 3213ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 3214ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3215ce1b591cSJames Smart } 3216ce1b591cSJames Smart 3217d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3218d613b6a7SJames Smart if (!ctxp->wqeq) { 3219d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3220d613b6a7SJames Smart ctxp->wqeq = lpfc_sli_get_iocbq(phba); 3221d613b6a7SJames Smart if (!ctxp->wqeq) { 3222ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3223d613b6a7SJames Smart "6068 Abort failed: No wqeqs: " 3224d613b6a7SJames Smart "xri: x%x\n", xri); 3225d613b6a7SJames Smart /* No failure to an ABTS request. */ 3226d613b6a7SJames Smart kfree(ctxp); 3227d613b6a7SJames Smart return 0; 3228d613b6a7SJames Smart } 3229d613b6a7SJames Smart } 3230d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 3231d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 32326c621a22SJames Smart 3233ce1b591cSJames Smart if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) { 3234ce1b591cSJames Smart rc = WQE_BUSY; 3235ce1b591cSJames Smart goto out; 3236ce1b591cSJames Smart } 3237d613b6a7SJames Smart 3238d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3239d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; 3240d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3241d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; 32421fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3243d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3244d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3245547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_unsol); 3246d613b6a7SJames Smart return 0; 3247d613b6a7SJames Smart } 3248ce1b591cSJames Smart out: 3249d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3250d613b6a7SJames Smart abts_wqeq->context2 = NULL; 3251d613b6a7SJames Smart abts_wqeq->context3 = NULL; 3252d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3253d613b6a7SJames Smart kfree(ctxp); 3254ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3255d613b6a7SJames Smart "6056 Failed to Issue ABTS. Status x%x\n", rc); 3256d613b6a7SJames Smart return 0; 3257d613b6a7SJames Smart } 3258