1d613b6a7SJames Smart /******************************************************************* 2d613b6a7SJames Smart * This file is part of the Emulex Linux Device Driver for * 3d613b6a7SJames Smart * Fibre Channsel Host Bus Adapters. * 4128bddacSJames Smart * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * 54ae2ebdeSJames Smart * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6d613b6a7SJames Smart * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7d613b6a7SJames Smart * EMULEX and SLI are trademarks of Emulex. * 8d080abe0SJames Smart * www.broadcom.com * 9d613b6a7SJames Smart * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10d613b6a7SJames Smart * * 11d613b6a7SJames Smart * This program is free software; you can redistribute it and/or * 12d613b6a7SJames Smart * modify it under the terms of version 2 of the GNU General * 13d613b6a7SJames Smart * Public License as published by the Free Software Foundation. * 14d613b6a7SJames Smart * This program is distributed in the hope that it will be useful. * 15d613b6a7SJames Smart * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16d613b6a7SJames Smart * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17d613b6a7SJames Smart * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18d613b6a7SJames Smart * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19d613b6a7SJames Smart * TO BE LEGALLY INVALID. See the GNU General Public License for * 20d613b6a7SJames Smart * more details, a copy of which can be found in the file COPYING * 21d613b6a7SJames Smart * included with this package. * 22d613b6a7SJames Smart ********************************************************************/ 23d613b6a7SJames Smart #include <linux/pci.h> 24d613b6a7SJames Smart #include <linux/slab.h> 25d613b6a7SJames Smart #include <linux/interrupt.h> 26d613b6a7SJames Smart #include <linux/delay.h> 27d613b6a7SJames Smart #include <asm/unaligned.h> 28d613b6a7SJames Smart #include <linux/crc-t10dif.h> 29d613b6a7SJames Smart #include <net/checksum.h> 30d613b6a7SJames Smart 31d613b6a7SJames Smart #include <scsi/scsi.h> 32d613b6a7SJames Smart #include <scsi/scsi_device.h> 33d613b6a7SJames Smart #include <scsi/scsi_eh.h> 34d613b6a7SJames Smart #include <scsi/scsi_host.h> 35d613b6a7SJames Smart #include <scsi/scsi_tcq.h> 36d613b6a7SJames Smart #include <scsi/scsi_transport_fc.h> 37d613b6a7SJames Smart #include <scsi/fc/fc_fs.h> 38d613b6a7SJames Smart 398d731d1aSJames Smart #include <linux/nvme.h> 40d613b6a7SJames Smart #include <linux/nvme-fc-driver.h> 41cbc5de1bSJames Smart #include <linux/nvme-fc.h> 42d613b6a7SJames Smart 43d613b6a7SJames Smart #include "lpfc_version.h" 44d613b6a7SJames Smart #include "lpfc_hw4.h" 45d613b6a7SJames Smart #include "lpfc_hw.h" 46d613b6a7SJames Smart #include "lpfc_sli.h" 47d613b6a7SJames Smart #include "lpfc_sli4.h" 48d613b6a7SJames Smart #include "lpfc_nl.h" 49d613b6a7SJames Smart #include "lpfc_disc.h" 50d613b6a7SJames Smart #include "lpfc.h" 51d613b6a7SJames Smart #include "lpfc_scsi.h" 52d613b6a7SJames Smart #include "lpfc_nvme.h" 53d613b6a7SJames Smart #include "lpfc_nvmet.h" 54d613b6a7SJames Smart #include "lpfc_logmsg.h" 55d613b6a7SJames Smart #include "lpfc_crtn.h" 56d613b6a7SJames Smart #include "lpfc_vport.h" 572b65e182SJames Smart #include "lpfc_debugfs.h" 58d613b6a7SJames Smart 59d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *, 60d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 61d613b6a7SJames Smart dma_addr_t rspbuf, 62d613b6a7SJames Smart uint16_t rspsize); 63d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *, 64d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *); 65d613b6a7SJames Smart static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *, 66d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 67d613b6a7SJames Smart uint32_t, uint16_t); 68d613b6a7SJames Smart static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *, 69d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 70d613b6a7SJames Smart uint32_t, uint16_t); 71d613b6a7SJames Smart static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *, 72d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 73d613b6a7SJames Smart uint32_t, uint16_t); 746e8e1c14SJames Smart static void lpfc_nvmet_wqfull_flush(struct lpfc_hba *, struct lpfc_queue *, 756e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *); 76d613b6a7SJames Smart 77fab2e466SColin Ian King static union lpfc_wqe128 lpfc_tsend_cmd_template; 78fab2e466SColin Ian King static union lpfc_wqe128 lpfc_treceive_cmd_template; 79fab2e466SColin Ian King static union lpfc_wqe128 lpfc_trsp_cmd_template; 80bd3061baSJames Smart 81bd3061baSJames Smart /* Setup WQE templates for NVME IOs */ 82bd3061baSJames Smart void 83fab2e466SColin Ian King lpfc_nvmet_cmd_template(void) 84bd3061baSJames Smart { 85bd3061baSJames Smart union lpfc_wqe128 *wqe; 86bd3061baSJames Smart 87bd3061baSJames Smart /* TSEND template */ 88bd3061baSJames Smart wqe = &lpfc_tsend_cmd_template; 89bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 90bd3061baSJames Smart 91bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 92bd3061baSJames Smart 93bd3061baSJames Smart /* Word 3 - payload_offset_len is zero */ 94bd3061baSJames Smart 95bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 96bd3061baSJames Smart 97bd3061baSJames Smart /* Word 5 - is zero */ 98bd3061baSJames Smart 99bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 100bd3061baSJames Smart 101bd3061baSJames Smart /* Word 7 - wqe_ar is variable */ 102bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE); 103bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, PARM_REL_OFF); 104bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_tsend.wqe_com, CLASS3); 105bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_tsend.wqe_com, SLI4_CT_RPI); 106bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 1); 107bd3061baSJames Smart 108bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 109bd3061baSJames Smart 110bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 111bd3061baSJames Smart 112bd3061baSJames Smart /* Word 10 - wqes, xc is variable */ 113bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 114bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_tsend.wqe_com, 1); 115bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 0); 116bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 117bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_tsend.wqe_com, LPFC_WQE_IOD_WRITE); 118bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_tsend.wqe_com, LPFC_WQE_LENLOC_WORD12); 119bd3061baSJames Smart 120bd3061baSJames Smart /* Word 11 - sup, irsp, irsplen is variable */ 121bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_tsend.wqe_com, FCP_COMMAND_TSEND); 122bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_tsend.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 123bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 124bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 0); 125bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 0); 126bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_tsend.wqe_com, 0); 127bd3061baSJames Smart 128bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 129bd3061baSJames Smart 130bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is zero */ 131bd3061baSJames Smart 132bd3061baSJames Smart /* TRECEIVE template */ 133bd3061baSJames Smart wqe = &lpfc_treceive_cmd_template; 134bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 135bd3061baSJames Smart 136bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 137bd3061baSJames Smart 138bd3061baSJames Smart /* Word 3 */ 139bd3061baSJames Smart wqe->fcp_treceive.payload_offset_len = TXRDY_PAYLOAD_LEN; 140bd3061baSJames Smart 141bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 142bd3061baSJames Smart 143bd3061baSJames Smart /* Word 5 - is zero */ 144bd3061baSJames Smart 145bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 146bd3061baSJames Smart 147bd3061baSJames Smart /* Word 7 */ 148bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com, CMD_FCP_TRECEIVE64_WQE); 149bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, PARM_REL_OFF); 150bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_treceive.wqe_com, CLASS3); 151bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_treceive.wqe_com, SLI4_CT_RPI); 152bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0); 153bd3061baSJames Smart 154bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 155bd3061baSJames Smart 156bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 157bd3061baSJames Smart 158bd3061baSJames Smart /* Word 10 - xc is variable */ 159bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_treceive.wqe_com, 1); 160bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_treceive.wqe_com, 0); 161bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_treceive.wqe_com, 1); 162bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_treceive.wqe_com, LPFC_WQE_IOD_READ); 163bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_treceive.wqe_com, LPFC_WQE_LENLOC_WORD12); 164bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 165bd3061baSJames Smart 166bd3061baSJames Smart /* Word 11 - pbde is variable */ 167bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_treceive.wqe_com, FCP_COMMAND_TRECEIVE); 168bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_treceive.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 169bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_treceive.wqe_com, 0); 170bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_treceive.wqe_com, 0); 171bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_treceive.wqe_com, 0); 172bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 1); 173bd3061baSJames Smart 174bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 175bd3061baSJames Smart 176bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is variable */ 177bd3061baSJames Smart 178bd3061baSJames Smart /* TRSP template */ 179bd3061baSJames Smart wqe = &lpfc_trsp_cmd_template; 180bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 181bd3061baSJames Smart 182bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 183bd3061baSJames Smart 184bd3061baSJames Smart /* Word 3 - response_len is variable */ 185bd3061baSJames Smart 186bd3061baSJames Smart /* Word 4, 5 - is zero */ 187bd3061baSJames Smart 188bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 189bd3061baSJames Smart 190bd3061baSJames Smart /* Word 7 */ 191bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE); 192bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, PARM_UNUSED); 193bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_trsp.wqe_com, CLASS3); 194bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_trsp.wqe_com, SLI4_CT_RPI); 195bd3061baSJames Smart bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1); /* wqe_ar */ 196bd3061baSJames Smart 197bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 198bd3061baSJames Smart 199bd3061baSJames Smart /* Word 9 - reqtag is variable */ 200bd3061baSJames Smart 201bd3061baSJames Smart /* Word 10 wqes, xc is variable */ 202bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_trsp.wqe_com, 1); 203bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_trsp.wqe_com, 1); 204bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 0); 205bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 0); 206bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_trsp.wqe_com, LPFC_WQE_IOD_NONE); 207bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_trsp.wqe_com, LPFC_WQE_LENLOC_WORD3); 208bd3061baSJames Smart 209bd3061baSJames Smart /* Word 11 irsp, irsplen is variable */ 210bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_trsp.wqe_com, FCP_COMMAND_TRSP); 211bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_trsp.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 212bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_trsp.wqe_com, 0); 213bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 0); 214bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 0); 215bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_trsp.wqe_com, 0); 216bd3061baSJames Smart 217bd3061baSJames Smart /* Word 12, 13, 14, 15 - is zero */ 218bd3061baSJames Smart } 219bd3061baSJames Smart 22086c67379SJames Smart void 22186c67379SJames Smart lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp) 22286c67379SJames Smart { 22386c67379SJames Smart unsigned long iflag; 22486c67379SJames Smart 225e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 22686c67379SJames Smart "6313 NVMET Defer ctx release xri x%x flg x%x\n", 22786c67379SJames Smart ctxp->oxid, ctxp->flag); 22886c67379SJames Smart 22986c67379SJames Smart spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); 23086c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) { 23186c67379SJames Smart spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, 23286c67379SJames Smart iflag); 23386c67379SJames Smart return; 23486c67379SJames Smart } 23586c67379SJames Smart ctxp->flag |= LPFC_NVMET_CTX_RLS; 23686c67379SJames Smart list_add_tail(&ctxp->list, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); 23786c67379SJames Smart spin_unlock_irqrestore(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); 23886c67379SJames Smart } 23986c67379SJames Smart 240d613b6a7SJames Smart /** 241d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response 242d613b6a7SJames Smart * @phba: Pointer to HBA context object. 243d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 244d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 245d613b6a7SJames Smart * 246d613b6a7SJames Smart * The function is called from SLI ring event handler with no 247d613b6a7SJames Smart * lock held. This function is the completion handler for NVME LS commands 248d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 249d613b6a7SJames Smart **/ 250d613b6a7SJames Smart static void 251d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 252d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 253d613b6a7SJames Smart { 254d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 255d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp; 256d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 257d613b6a7SJames Smart uint32_t status, result; 258d613b6a7SJames Smart 259d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 260d613b6a7SJames Smart result = wcqe->parameter; 261ce1b591cSJames Smart ctxp = cmdwqe->context2; 262ce1b591cSJames Smart 263ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) { 264ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 265ce1b591cSJames Smart "6410 NVMET LS cmpl state mismatch IO x%x: " 266ce1b591cSJames Smart "%d %d\n", 267ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 268ce1b591cSJames Smart } 269ce1b591cSJames Smart 270d613b6a7SJames Smart if (!phba->targetport) 271d613b6a7SJames Smart goto out; 272d613b6a7SJames Smart 273d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 274d613b6a7SJames Smart 2754b056682SJames Smart if (tgtp) { 2764b056682SJames Smart if (status) { 277d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_error); 2788ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 2794b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_aborted); 2804b056682SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) 2814b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_xb_set); 2824b056682SJames Smart } else { 283d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_cmpl); 2844b056682SJames Smart } 2854b056682SJames Smart } 286d613b6a7SJames Smart 287d613b6a7SJames Smart out: 288d613b6a7SJames Smart rsp = &ctxp->ctx.ls_req; 289d613b6a7SJames Smart 2902b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n", 2912b65e182SJames Smart ctxp->oxid, status, result); 2922b65e182SJames Smart 293d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 294ce1b591cSJames Smart "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n", 295ce1b591cSJames Smart status, result, ctxp->oxid); 296d613b6a7SJames Smart 297d613b6a7SJames Smart lpfc_nlp_put(cmdwqe->context1); 298d613b6a7SJames Smart cmdwqe->context2 = NULL; 299d613b6a7SJames Smart cmdwqe->context3 = NULL; 300d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 301d613b6a7SJames Smart rsp->done(rsp); 302d613b6a7SJames Smart kfree(ctxp); 303d613b6a7SJames Smart } 304d613b6a7SJames Smart 305d613b6a7SJames Smart /** 3066c621a22SJames Smart * lpfc_nvmet_ctxbuf_post - Repost a NVMET RQ DMA buffer and clean up context 307d613b6a7SJames Smart * @phba: HBA buffer is associated with 308d613b6a7SJames Smart * @ctxp: context to clean up 309d613b6a7SJames Smart * @mp: Buffer to free 310d613b6a7SJames Smart * 311d613b6a7SJames Smart * Description: Frees the given DMA buffer in the appropriate way given by 312d613b6a7SJames Smart * reposting it to its associated RQ so it can be reused. 313d613b6a7SJames Smart * 314d613b6a7SJames Smart * Notes: Takes phba->hbalock. Can be called with or without other locks held. 315d613b6a7SJames Smart * 316d613b6a7SJames Smart * Returns: None 317d613b6a7SJames Smart **/ 318d613b6a7SJames Smart void 3196c621a22SJames Smart lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) 320d613b6a7SJames Smart { 321eeeb51d8SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 3226c621a22SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 323a8cf5dfeSJames Smart struct lpfc_nvmet_tgtport *tgtp; 324a8cf5dfeSJames Smart struct fc_frame_header *fc_hdr; 325a8cf5dfeSJames Smart struct rqb_dmabuf *nvmebuf; 32666d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 327a8cf5dfeSJames Smart uint32_t *payload; 328a8cf5dfeSJames Smart uint32_t size, oxid, sid, rc; 32966d7ce93SDick Kennedy int cpu; 3306c621a22SJames Smart unsigned long iflag; 33186c67379SJames Smart 332d613b6a7SJames Smart if (ctxp->txrdy) { 333771db5c0SRomain Perier dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, 334d613b6a7SJames Smart ctxp->txrdy_phys); 335d613b6a7SJames Smart ctxp->txrdy = NULL; 336d613b6a7SJames Smart ctxp->txrdy_phys = 0; 337d613b6a7SJames Smart } 338ce1b591cSJames Smart 339ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 340ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 341ce1b591cSJames Smart "6411 NVMET free, already free IO x%x: %d %d\n", 342ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 343ce1b591cSJames Smart } 344d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_FREE; 3456c621a22SJames Smart 346a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 347a8cf5dfeSJames Smart if (phba->sli4_hba.nvmet_io_wait_cnt) { 348a8cf5dfeSJames Smart list_remove_head(&phba->sli4_hba.lpfc_nvmet_io_wait_list, 349a8cf5dfeSJames Smart nvmebuf, struct rqb_dmabuf, 350a8cf5dfeSJames Smart hbuf.list); 351a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt--; 352a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 353a8cf5dfeSJames Smart iflag); 354a8cf5dfeSJames Smart 355a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 356a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 357a8cf5dfeSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 358a8cf5dfeSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 359a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 360a8cf5dfeSJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 361a8cf5dfeSJames Smart 362a8cf5dfeSJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 363a8cf5dfeSJames Smart ctxp->wqeq = NULL; 364a8cf5dfeSJames Smart ctxp->txrdy = NULL; 365a8cf5dfeSJames Smart ctxp->offset = 0; 366a8cf5dfeSJames Smart ctxp->phba = phba; 367a8cf5dfeSJames Smart ctxp->size = size; 368a8cf5dfeSJames Smart ctxp->oxid = oxid; 369a8cf5dfeSJames Smart ctxp->sid = sid; 370a8cf5dfeSJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 371a8cf5dfeSJames Smart ctxp->entry_cnt = 1; 372a8cf5dfeSJames Smart ctxp->flag = 0; 373a8cf5dfeSJames Smart ctxp->ctxbuf = ctx_buf; 374cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 375a8cf5dfeSJames Smart spin_lock_init(&ctxp->ctxlock); 376a8cf5dfeSJames Smart 377a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 378c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 379a8cf5dfeSJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 380a8cf5dfeSJames Smart ctxp->ts_nvme_data = 0; 381a8cf5dfeSJames Smart ctxp->ts_data_wqput = 0; 382a8cf5dfeSJames Smart ctxp->ts_isr_data = 0; 383a8cf5dfeSJames Smart ctxp->ts_data_nvme = 0; 384a8cf5dfeSJames Smart ctxp->ts_nvme_status = 0; 385a8cf5dfeSJames Smart ctxp->ts_status_wqput = 0; 386a8cf5dfeSJames Smart ctxp->ts_isr_status = 0; 387a8cf5dfeSJames Smart ctxp->ts_status_nvme = 0; 388d613b6a7SJames Smart } 389a8cf5dfeSJames Smart #endif 390a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 391a8cf5dfeSJames Smart /* 392a8cf5dfeSJames Smart * The calling sequence should be: 393a8cf5dfeSJames Smart * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done 394a8cf5dfeSJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 395a8cf5dfeSJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info 396a8cf5dfeSJames Smart * the NVME command / FC header is stored. 397a8cf5dfeSJames Smart * A buffer has already been reposted for this IO, so just free 398a8cf5dfeSJames Smart * the nvmebuf. 399a8cf5dfeSJames Smart */ 400a8cf5dfeSJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 401a8cf5dfeSJames Smart payload, size); 402a8cf5dfeSJames Smart 403a8cf5dfeSJames Smart /* Process FCP command */ 404a8cf5dfeSJames Smart if (rc == 0) { 4056871e814SJames Smart ctxp->rqb_buffer = NULL; 406a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 407a8cf5dfeSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 408a8cf5dfeSJames Smart return; 409a8cf5dfeSJames Smart } 410a8cf5dfeSJames Smart 411cbc5de1bSJames Smart /* Processing of FCP command is deferred */ 412cbc5de1bSJames Smart if (rc == -EOVERFLOW) { 413cbc5de1bSJames Smart lpfc_nvmeio_data(phba, 414cbc5de1bSJames Smart "NVMET RCV BUSY: xri x%x sz %d " 415cbc5de1bSJames Smart "from %06x\n", 416cbc5de1bSJames Smart oxid, size, sid); 417cbc5de1bSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 418cbc5de1bSJames Smart return; 419cbc5de1bSJames Smart } 420a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 421a8cf5dfeSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 422a8cf5dfeSJames Smart "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 423a8cf5dfeSJames Smart ctxp->oxid, rc, 424a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 425a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 426a8cf5dfeSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 427a8cf5dfeSJames Smart 428a8cf5dfeSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 429a8cf5dfeSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 430a8cf5dfeSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 431a8cf5dfeSJames Smart return; 432a8cf5dfeSJames Smart } 433a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 434a8cf5dfeSJames Smart 43566d7ce93SDick Kennedy /* 43666d7ce93SDick Kennedy * Use the CPU context list, from the MRQ the IO was received on 43766d7ce93SDick Kennedy * (ctxp->idx), to save context structure. 43866d7ce93SDick Kennedy */ 43966d7ce93SDick Kennedy cpu = smp_processor_id(); 44066d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx); 44166d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag); 44266d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 44366d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 44466d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag); 445eeeb51d8SJames Smart #endif 446d613b6a7SJames Smart } 447d613b6a7SJames Smart 4482b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 4492b65e182SJames Smart static void 4502b65e182SJames Smart lpfc_nvmet_ktime(struct lpfc_hba *phba, 4512b65e182SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 4522b65e182SJames Smart { 4532b65e182SJames Smart uint64_t seg1, seg2, seg3, seg4, seg5; 4542b65e182SJames Smart uint64_t seg6, seg7, seg8, seg9, seg10; 455c8a4ce0bSDick Kennedy uint64_t segsum; 4562b65e182SJames Smart 4572b65e182SJames Smart if (!ctxp->ts_isr_cmd || !ctxp->ts_cmd_nvme || 4582b65e182SJames Smart !ctxp->ts_nvme_data || !ctxp->ts_data_wqput || 4592b65e182SJames Smart !ctxp->ts_isr_data || !ctxp->ts_data_nvme || 4602b65e182SJames Smart !ctxp->ts_nvme_status || !ctxp->ts_status_wqput || 4612b65e182SJames Smart !ctxp->ts_isr_status || !ctxp->ts_status_nvme) 4622b65e182SJames Smart return; 4632b65e182SJames Smart 464c8a4ce0bSDick Kennedy if (ctxp->ts_status_nvme < ctxp->ts_isr_cmd) 465c8a4ce0bSDick Kennedy return; 4662b65e182SJames Smart if (ctxp->ts_isr_cmd > ctxp->ts_cmd_nvme) 4672b65e182SJames Smart return; 4682b65e182SJames Smart if (ctxp->ts_cmd_nvme > ctxp->ts_nvme_data) 4692b65e182SJames Smart return; 4702b65e182SJames Smart if (ctxp->ts_nvme_data > ctxp->ts_data_wqput) 4712b65e182SJames Smart return; 4722b65e182SJames Smart if (ctxp->ts_data_wqput > ctxp->ts_isr_data) 4732b65e182SJames Smart return; 4742b65e182SJames Smart if (ctxp->ts_isr_data > ctxp->ts_data_nvme) 4752b65e182SJames Smart return; 4762b65e182SJames Smart if (ctxp->ts_data_nvme > ctxp->ts_nvme_status) 4772b65e182SJames Smart return; 4782b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_status_wqput) 4792b65e182SJames Smart return; 4802b65e182SJames Smart if (ctxp->ts_status_wqput > ctxp->ts_isr_status) 4812b65e182SJames Smart return; 4822b65e182SJames Smart if (ctxp->ts_isr_status > ctxp->ts_status_nvme) 4832b65e182SJames Smart return; 4842b65e182SJames Smart /* 4852b65e182SJames Smart * Segment 1 - Time from FCP command received by MSI-X ISR 4862b65e182SJames Smart * to FCP command is passed to NVME Layer. 4872b65e182SJames Smart * Segment 2 - Time from FCP command payload handed 4882b65e182SJames Smart * off to NVME Layer to Driver receives a Command op 4892b65e182SJames Smart * from NVME Layer. 4902b65e182SJames Smart * Segment 3 - Time from Driver receives a Command op 4912b65e182SJames Smart * from NVME Layer to Command is put on WQ. 4922b65e182SJames Smart * Segment 4 - Time from Driver WQ put is done 4932b65e182SJames Smart * to MSI-X ISR for Command cmpl. 4942b65e182SJames Smart * Segment 5 - Time from MSI-X ISR for Command cmpl to 4952b65e182SJames Smart * Command cmpl is passed to NVME Layer. 4962b65e182SJames Smart * Segment 6 - Time from Command cmpl is passed to NVME 4972b65e182SJames Smart * Layer to Driver receives a RSP op from NVME Layer. 4982b65e182SJames Smart * Segment 7 - Time from Driver receives a RSP op from 4992b65e182SJames Smart * NVME Layer to WQ put is done on TRSP FCP Status. 5002b65e182SJames Smart * Segment 8 - Time from Driver WQ put is done on TRSP 5012b65e182SJames Smart * FCP Status to MSI-X ISR for TRSP cmpl. 5022b65e182SJames Smart * Segment 9 - Time from MSI-X ISR for TRSP cmpl to 5032b65e182SJames Smart * TRSP cmpl is passed to NVME Layer. 5042b65e182SJames Smart * Segment 10 - Time from FCP command received by 5052b65e182SJames Smart * MSI-X ISR to command is completed on wire. 5062b65e182SJames Smart * (Segments 1 thru 8) for READDATA / WRITEDATA 5072b65e182SJames Smart * (Segments 1 thru 4) for READDATA_RSP 5082b65e182SJames Smart */ 5092b65e182SJames Smart seg1 = ctxp->ts_cmd_nvme - ctxp->ts_isr_cmd; 510c8a4ce0bSDick Kennedy segsum = seg1; 511c8a4ce0bSDick Kennedy 512c8a4ce0bSDick Kennedy seg2 = ctxp->ts_nvme_data - ctxp->ts_isr_cmd; 513c8a4ce0bSDick Kennedy if (segsum > seg2) 514c8a4ce0bSDick Kennedy return; 515c8a4ce0bSDick Kennedy seg2 -= segsum; 516c8a4ce0bSDick Kennedy segsum += seg2; 517c8a4ce0bSDick Kennedy 518c8a4ce0bSDick Kennedy seg3 = ctxp->ts_data_wqput - ctxp->ts_isr_cmd; 519c8a4ce0bSDick Kennedy if (segsum > seg3) 520c8a4ce0bSDick Kennedy return; 521c8a4ce0bSDick Kennedy seg3 -= segsum; 522c8a4ce0bSDick Kennedy segsum += seg3; 523c8a4ce0bSDick Kennedy 524c8a4ce0bSDick Kennedy seg4 = ctxp->ts_isr_data - ctxp->ts_isr_cmd; 525c8a4ce0bSDick Kennedy if (segsum > seg4) 526c8a4ce0bSDick Kennedy return; 527c8a4ce0bSDick Kennedy seg4 -= segsum; 528c8a4ce0bSDick Kennedy segsum += seg4; 529c8a4ce0bSDick Kennedy 530c8a4ce0bSDick Kennedy seg5 = ctxp->ts_data_nvme - ctxp->ts_isr_cmd; 531c8a4ce0bSDick Kennedy if (segsum > seg5) 532c8a4ce0bSDick Kennedy return; 533c8a4ce0bSDick Kennedy seg5 -= segsum; 534c8a4ce0bSDick Kennedy segsum += seg5; 535c8a4ce0bSDick Kennedy 5362b65e182SJames Smart 5372b65e182SJames Smart /* For auto rsp commands seg6 thru seg10 will be 0 */ 5382b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_data_nvme) { 539c8a4ce0bSDick Kennedy seg6 = ctxp->ts_nvme_status - ctxp->ts_isr_cmd; 540c8a4ce0bSDick Kennedy if (segsum > seg6) 541c8a4ce0bSDick Kennedy return; 542c8a4ce0bSDick Kennedy seg6 -= segsum; 543c8a4ce0bSDick Kennedy segsum += seg6; 544c8a4ce0bSDick Kennedy 545c8a4ce0bSDick Kennedy seg7 = ctxp->ts_status_wqput - ctxp->ts_isr_cmd; 546c8a4ce0bSDick Kennedy if (segsum > seg7) 547c8a4ce0bSDick Kennedy return; 548c8a4ce0bSDick Kennedy seg7 -= segsum; 549c8a4ce0bSDick Kennedy segsum += seg7; 550c8a4ce0bSDick Kennedy 551c8a4ce0bSDick Kennedy seg8 = ctxp->ts_isr_status - ctxp->ts_isr_cmd; 552c8a4ce0bSDick Kennedy if (segsum > seg8) 553c8a4ce0bSDick Kennedy return; 554c8a4ce0bSDick Kennedy seg8 -= segsum; 555c8a4ce0bSDick Kennedy segsum += seg8; 556c8a4ce0bSDick Kennedy 557c8a4ce0bSDick Kennedy seg9 = ctxp->ts_status_nvme - ctxp->ts_isr_cmd; 558c8a4ce0bSDick Kennedy if (segsum > seg9) 559c8a4ce0bSDick Kennedy return; 560c8a4ce0bSDick Kennedy seg9 -= segsum; 561c8a4ce0bSDick Kennedy segsum += seg9; 562c8a4ce0bSDick Kennedy 563c8a4ce0bSDick Kennedy if (ctxp->ts_isr_status < ctxp->ts_isr_cmd) 564c8a4ce0bSDick Kennedy return; 5652b65e182SJames Smart seg10 = (ctxp->ts_isr_status - 5662b65e182SJames Smart ctxp->ts_isr_cmd); 5672b65e182SJames Smart } else { 568c8a4ce0bSDick Kennedy if (ctxp->ts_isr_data < ctxp->ts_isr_cmd) 569c8a4ce0bSDick Kennedy return; 5702b65e182SJames Smart seg6 = 0; 5712b65e182SJames Smart seg7 = 0; 5722b65e182SJames Smart seg8 = 0; 5732b65e182SJames Smart seg9 = 0; 5742b65e182SJames Smart seg10 = (ctxp->ts_isr_data - ctxp->ts_isr_cmd); 5752b65e182SJames Smart } 5762b65e182SJames Smart 5772b65e182SJames Smart phba->ktime_seg1_total += seg1; 5782b65e182SJames Smart if (seg1 < phba->ktime_seg1_min) 5792b65e182SJames Smart phba->ktime_seg1_min = seg1; 5802b65e182SJames Smart else if (seg1 > phba->ktime_seg1_max) 5812b65e182SJames Smart phba->ktime_seg1_max = seg1; 5822b65e182SJames Smart 5832b65e182SJames Smart phba->ktime_seg2_total += seg2; 5842b65e182SJames Smart if (seg2 < phba->ktime_seg2_min) 5852b65e182SJames Smart phba->ktime_seg2_min = seg2; 5862b65e182SJames Smart else if (seg2 > phba->ktime_seg2_max) 5872b65e182SJames Smart phba->ktime_seg2_max = seg2; 5882b65e182SJames Smart 5892b65e182SJames Smart phba->ktime_seg3_total += seg3; 5902b65e182SJames Smart if (seg3 < phba->ktime_seg3_min) 5912b65e182SJames Smart phba->ktime_seg3_min = seg3; 5922b65e182SJames Smart else if (seg3 > phba->ktime_seg3_max) 5932b65e182SJames Smart phba->ktime_seg3_max = seg3; 5942b65e182SJames Smart 5952b65e182SJames Smart phba->ktime_seg4_total += seg4; 5962b65e182SJames Smart if (seg4 < phba->ktime_seg4_min) 5972b65e182SJames Smart phba->ktime_seg4_min = seg4; 5982b65e182SJames Smart else if (seg4 > phba->ktime_seg4_max) 5992b65e182SJames Smart phba->ktime_seg4_max = seg4; 6002b65e182SJames Smart 6012b65e182SJames Smart phba->ktime_seg5_total += seg5; 6022b65e182SJames Smart if (seg5 < phba->ktime_seg5_min) 6032b65e182SJames Smart phba->ktime_seg5_min = seg5; 6042b65e182SJames Smart else if (seg5 > phba->ktime_seg5_max) 6052b65e182SJames Smart phba->ktime_seg5_max = seg5; 6062b65e182SJames Smart 6072b65e182SJames Smart phba->ktime_data_samples++; 6082b65e182SJames Smart if (!seg6) 6092b65e182SJames Smart goto out; 6102b65e182SJames Smart 6112b65e182SJames Smart phba->ktime_seg6_total += seg6; 6122b65e182SJames Smart if (seg6 < phba->ktime_seg6_min) 6132b65e182SJames Smart phba->ktime_seg6_min = seg6; 6142b65e182SJames Smart else if (seg6 > phba->ktime_seg6_max) 6152b65e182SJames Smart phba->ktime_seg6_max = seg6; 6162b65e182SJames Smart 6172b65e182SJames Smart phba->ktime_seg7_total += seg7; 6182b65e182SJames Smart if (seg7 < phba->ktime_seg7_min) 6192b65e182SJames Smart phba->ktime_seg7_min = seg7; 6202b65e182SJames Smart else if (seg7 > phba->ktime_seg7_max) 6212b65e182SJames Smart phba->ktime_seg7_max = seg7; 6222b65e182SJames Smart 6232b65e182SJames Smart phba->ktime_seg8_total += seg8; 6242b65e182SJames Smart if (seg8 < phba->ktime_seg8_min) 6252b65e182SJames Smart phba->ktime_seg8_min = seg8; 6262b65e182SJames Smart else if (seg8 > phba->ktime_seg8_max) 6272b65e182SJames Smart phba->ktime_seg8_max = seg8; 6282b65e182SJames Smart 6292b65e182SJames Smart phba->ktime_seg9_total += seg9; 6302b65e182SJames Smart if (seg9 < phba->ktime_seg9_min) 6312b65e182SJames Smart phba->ktime_seg9_min = seg9; 6322b65e182SJames Smart else if (seg9 > phba->ktime_seg9_max) 6332b65e182SJames Smart phba->ktime_seg9_max = seg9; 6342b65e182SJames Smart out: 6352b65e182SJames Smart phba->ktime_seg10_total += seg10; 6362b65e182SJames Smart if (seg10 < phba->ktime_seg10_min) 6372b65e182SJames Smart phba->ktime_seg10_min = seg10; 6382b65e182SJames Smart else if (seg10 > phba->ktime_seg10_max) 6392b65e182SJames Smart phba->ktime_seg10_max = seg10; 6402b65e182SJames Smart phba->ktime_status_samples++; 6412b65e182SJames Smart } 6422b65e182SJames Smart #endif 6432b65e182SJames Smart 644d613b6a7SJames Smart /** 645d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response 646d613b6a7SJames Smart * @phba: Pointer to HBA context object. 647d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 648d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 649d613b6a7SJames Smart * 650d613b6a7SJames Smart * The function is called from SLI ring event handler with no 651d613b6a7SJames Smart * lock held. This function is the completion handler for NVME FCP commands 652d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 653d613b6a7SJames Smart **/ 654d613b6a7SJames Smart static void 655d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 656d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 657d613b6a7SJames Smart { 658d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 659d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp; 660d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 661e3246a12SJames Smart uint32_t status, result, op, start_clean, logerr; 6622b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 6632b65e182SJames Smart uint32_t id; 6642b65e182SJames Smart #endif 665d613b6a7SJames Smart 666d613b6a7SJames Smart ctxp = cmdwqe->context2; 66786c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_IO_INP; 66886c67379SJames Smart 669d613b6a7SJames Smart rsp = &ctxp->ctx.fcp_req; 670d613b6a7SJames Smart op = rsp->op; 671d613b6a7SJames Smart 672d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 673d613b6a7SJames Smart result = wcqe->parameter; 674d613b6a7SJames Smart 67586c67379SJames Smart if (phba->targetport) 67686c67379SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 67786c67379SJames Smart else 67886c67379SJames Smart tgtp = NULL; 679d613b6a7SJames Smart 6802b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMPL: xri x%x op x%x status x%x\n", 6812b65e182SJames Smart ctxp->oxid, op, status); 6822b65e182SJames Smart 683d613b6a7SJames Smart if (status) { 684d613b6a7SJames Smart rsp->fcp_error = NVME_SC_DATA_XFER_ERROR; 685d613b6a7SJames Smart rsp->transferred_length = 0; 6864b056682SJames Smart if (tgtp) { 687d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_error); 6888ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 6894b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_aborted); 6904b056682SJames Smart } 69186c67379SJames Smart 692e3246a12SJames Smart logerr = LOG_NVME_IOERR; 693e3246a12SJames Smart 69486c67379SJames Smart /* pick up SLI4 exhange busy condition */ 69586c67379SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) { 69686c67379SJames Smart ctxp->flag |= LPFC_NVMET_XBUSY; 697e3246a12SJames Smart logerr |= LOG_NVME_ABTS; 6984b056682SJames Smart if (tgtp) 6994b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_xb_set); 70086c67379SJames Smart 70186c67379SJames Smart } else { 70286c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 70386c67379SJames Smart } 70486c67379SJames Smart 705e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, logerr, 706e3246a12SJames Smart "6315 IO Error Cmpl xri x%x: %x/%x XBUSY:x%x\n", 707e3246a12SJames Smart ctxp->oxid, status, result, ctxp->flag); 708e3246a12SJames Smart 709d613b6a7SJames Smart } else { 710d613b6a7SJames Smart rsp->fcp_error = NVME_SC_SUCCESS; 711d613b6a7SJames Smart if (op == NVMET_FCOP_RSP) 712d613b6a7SJames Smart rsp->transferred_length = rsp->rsplen; 713d613b6a7SJames Smart else 714d613b6a7SJames Smart rsp->transferred_length = rsp->transfer_length; 71586c67379SJames Smart if (tgtp) 716d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_cmpl); 717d613b6a7SJames Smart } 718d613b6a7SJames Smart 719d613b6a7SJames Smart if ((op == NVMET_FCOP_READDATA_RSP) || 720d613b6a7SJames Smart (op == NVMET_FCOP_RSP)) { 721d613b6a7SJames Smart /* Sanity check */ 722d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 723d613b6a7SJames Smart ctxp->entry_cnt++; 72486c67379SJames Smart 7252b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 726c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7272b65e182SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 7282b65e182SJames Smart ctxp->ts_isr_data = 7292b65e182SJames Smart cmdwqe->isr_timestamp; 7302b65e182SJames Smart ctxp->ts_data_nvme = 7312b65e182SJames Smart ktime_get_ns(); 7322b65e182SJames Smart ctxp->ts_nvme_status = 7332b65e182SJames Smart ctxp->ts_data_nvme; 7342b65e182SJames Smart ctxp->ts_status_wqput = 7352b65e182SJames Smart ctxp->ts_data_nvme; 7362b65e182SJames Smart ctxp->ts_isr_status = 7372b65e182SJames Smart ctxp->ts_data_nvme; 7382b65e182SJames Smart ctxp->ts_status_nvme = 7392b65e182SJames Smart ctxp->ts_data_nvme; 7402b65e182SJames Smart } else { 7412b65e182SJames Smart ctxp->ts_isr_status = 7422b65e182SJames Smart cmdwqe->isr_timestamp; 7432b65e182SJames Smart ctxp->ts_status_nvme = 7442b65e182SJames Smart ktime_get_ns(); 7452b65e182SJames Smart } 7462b65e182SJames Smart } 7472b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 7482b65e182SJames Smart id = smp_processor_id(); 7492b65e182SJames Smart if (ctxp->cpu != id) 7502b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 7512b65e182SJames Smart "6703 CPU Check cmpl: " 7522b65e182SJames Smart "cpu %d expect %d\n", 7532b65e182SJames Smart id, ctxp->cpu); 7542b65e182SJames Smart if (ctxp->cpu < LPFC_CHECK_CPU_CNT) 7552b65e182SJames Smart phba->cpucheck_cmpl_io[id]++; 7562b65e182SJames Smart } 7572b65e182SJames Smart #endif 758d613b6a7SJames Smart rsp->done(rsp); 7592b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 760c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) 7612b65e182SJames Smart lpfc_nvmet_ktime(phba, ctxp); 7622b65e182SJames Smart #endif 76319b58d94SJames Smart /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ 764d613b6a7SJames Smart } else { 765d613b6a7SJames Smart ctxp->entry_cnt++; 766c6e0c925SDick Kennedy start_clean = offsetof(struct lpfc_iocbq, iocb_flag); 767d613b6a7SJames Smart memset(((char *)cmdwqe) + start_clean, 0, 768d613b6a7SJames Smart (sizeof(struct lpfc_iocbq) - start_clean)); 7692b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 770c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7712b65e182SJames Smart ctxp->ts_isr_data = cmdwqe->isr_timestamp; 7722b65e182SJames Smart ctxp->ts_data_nvme = ktime_get_ns(); 7732b65e182SJames Smart } 7742b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 7752b65e182SJames Smart id = smp_processor_id(); 7762b65e182SJames Smart if (ctxp->cpu != id) 7772b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 7782b65e182SJames Smart "6704 CPU Check cmdcmpl: " 7792b65e182SJames Smart "cpu %d expect %d\n", 7802b65e182SJames Smart id, ctxp->cpu); 7812b65e182SJames Smart if (ctxp->cpu < LPFC_CHECK_CPU_CNT) 7822b65e182SJames Smart phba->cpucheck_ccmpl_io[id]++; 7832b65e182SJames Smart } 7842b65e182SJames Smart #endif 785d613b6a7SJames Smart rsp->done(rsp); 786d613b6a7SJames Smart } 787d613b6a7SJames Smart } 788d613b6a7SJames Smart 789d613b6a7SJames Smart static int 790d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, 791d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp) 792d613b6a7SJames Smart { 793d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 794d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req); 795d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 796d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf = 797d613b6a7SJames Smart (struct hbq_dmabuf *)ctxp->rqb_buffer; 798d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 799d613b6a7SJames Smart struct lpfc_nvmet_tgtport *nvmep = tgtport->private; 800d613b6a7SJames Smart struct lpfc_dmabuf dmabuf; 801d613b6a7SJames Smart struct ulp_bde64 bpl; 802d613b6a7SJames Smart int rc; 803d613b6a7SJames Smart 8041abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 8051abcb371SDick Kennedy return -ENODEV; 8061abcb371SDick Kennedy 8073386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 8083386f4bdSJames Smart return -ENODEV; 8093386f4bdSJames Smart 810d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 811ce1b591cSJames Smart "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid); 812ce1b591cSJames Smart 813ce1b591cSJames Smart if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) || 814ce1b591cSJames Smart (ctxp->entry_cnt != 1)) { 815ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 816ce1b591cSJames Smart "6412 NVMET LS rsp state mismatch " 817ce1b591cSJames Smart "oxid x%x: %d %d\n", 818ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 819ce1b591cSJames Smart } 820ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RSP; 821ce1b591cSJames Smart ctxp->entry_cnt++; 822d613b6a7SJames Smart 823d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma, 824d613b6a7SJames Smart rsp->rsplen); 825d613b6a7SJames Smart if (nvmewqeq == NULL) { 826d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 827d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 828d613b6a7SJames Smart "6150 LS Drop IO x%x: Prep\n", 829d613b6a7SJames Smart ctxp->oxid); 830d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 831547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 832d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, 833d613b6a7SJames Smart ctxp->sid, ctxp->oxid); 834d613b6a7SJames Smart return -ENOMEM; 835d613b6a7SJames Smart } 836d613b6a7SJames Smart 837d613b6a7SJames Smart /* Save numBdes for bpl2sgl */ 838d613b6a7SJames Smart nvmewqeq->rsvd2 = 1; 839d613b6a7SJames Smart nvmewqeq->hba_wqidx = 0; 840d613b6a7SJames Smart nvmewqeq->context3 = &dmabuf; 841d613b6a7SJames Smart dmabuf.virt = &bpl; 842d613b6a7SJames Smart bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow; 843d613b6a7SJames Smart bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh; 844d613b6a7SJames Smart bpl.tus.f.bdeSize = rsp->rsplen; 845d613b6a7SJames Smart bpl.tus.f.bdeFlags = 0; 846d613b6a7SJames Smart bpl.tus.w = le32_to_cpu(bpl.tus.w); 847d613b6a7SJames Smart 848d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp; 849d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 850d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 851d613b6a7SJames Smart 8522b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n", 8532b65e182SJames Smart ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen); 8542b65e182SJames Smart 855d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, nvmewqeq); 856d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 857d613b6a7SJames Smart /* 858d613b6a7SJames Smart * Okay to repost buffer here, but wait till cmpl 859d613b6a7SJames Smart * before freeing ctxp and iocbq. 860d613b6a7SJames Smart */ 861d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 862d613b6a7SJames Smart ctxp->rqb_buffer = 0; 863d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_rsp); 864d613b6a7SJames Smart return 0; 865d613b6a7SJames Smart } 866d613b6a7SJames Smart /* Give back resources */ 867d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 868d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 869d613b6a7SJames Smart "6151 LS Drop IO x%x: Issue %d\n", 870d613b6a7SJames Smart ctxp->oxid, rc); 871d613b6a7SJames Smart 872d613b6a7SJames Smart lpfc_nlp_put(nvmewqeq->context1); 873d613b6a7SJames Smart 874d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 875547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 876d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 877d613b6a7SJames Smart return -ENXIO; 878d613b6a7SJames Smart } 879d613b6a7SJames Smart 880d613b6a7SJames Smart static int 881d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, 882d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp) 883d613b6a7SJames Smart { 884d613b6a7SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 885d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 886d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 887d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 8886e8e1c14SJames Smart struct lpfc_queue *wq; 889d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 8906e8e1c14SJames Smart struct lpfc_sli_ring *pring; 8916e8e1c14SJames Smart unsigned long iflags; 892223b78eaSArnd Bergmann int rc; 8932b65e182SJames Smart 8941abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) { 8951abcb371SDick Kennedy rc = -ENODEV; 8961abcb371SDick Kennedy goto aerr; 8971abcb371SDick Kennedy } 8981abcb371SDick Kennedy 8993386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) { 9003386f4bdSJames Smart rc = -ENODEV; 9013386f4bdSJames Smart goto aerr; 9023386f4bdSJames Smart } 9033386f4bdSJames Smart 9042b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 905c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 9062b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 9072b65e182SJames Smart ctxp->ts_nvme_status = ktime_get_ns(); 9082b65e182SJames Smart else 9092b65e182SJames Smart ctxp->ts_nvme_data = ktime_get_ns(); 9102b65e182SJames Smart } 9112b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 912223b78eaSArnd Bergmann int id = smp_processor_id(); 9132b65e182SJames Smart ctxp->cpu = id; 9142b65e182SJames Smart if (id < LPFC_CHECK_CPU_CNT) 9152b65e182SJames Smart phba->cpucheck_xmt_io[id]++; 9162b65e182SJames Smart if (rsp->hwqid != id) { 9172b65e182SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 9182b65e182SJames Smart "6705 CPU Check OP: " 9192b65e182SJames Smart "cpu %d expect %d\n", 9202b65e182SJames Smart id, rsp->hwqid); 9212b65e182SJames Smart ctxp->cpu = rsp->hwqid; 9222b65e182SJames Smart } 9232b65e182SJames Smart } 9242b65e182SJames Smart #endif 925d613b6a7SJames Smart 926d613b6a7SJames Smart /* Sanity check */ 92786c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) || 92886c67379SJames Smart (ctxp->state == LPFC_NVMET_STE_ABORT)) { 929d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 930d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 93186c67379SJames Smart "6102 IO xri x%x aborted\n", 932d613b6a7SJames Smart ctxp->oxid); 933a5068b46SJames Smart rc = -ENXIO; 934d613b6a7SJames Smart goto aerr; 935d613b6a7SJames Smart } 936d613b6a7SJames Smart 937d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_fcp_wqe(phba, ctxp); 938d613b6a7SJames Smart if (nvmewqeq == NULL) { 939d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 940d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 941d613b6a7SJames Smart "6152 FCP Drop IO x%x: Prep\n", 942d613b6a7SJames Smart ctxp->oxid); 943a5068b46SJames Smart rc = -ENXIO; 944d613b6a7SJames Smart goto aerr; 945d613b6a7SJames Smart } 946d613b6a7SJames Smart 947d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; 948d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 949d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 950d613b6a7SJames Smart nvmewqeq->iocb_flag |= LPFC_IO_NVMET; 951d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = rsp->hwqid; 952d613b6a7SJames Smart 9532b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", 9542b65e182SJames Smart ctxp->oxid, rsp->op, rsp->rsplen); 9552b65e182SJames Smart 95661f3d4bfSJames Smart ctxp->flag |= LPFC_NVMET_IO_INP; 957d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq); 958d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 9592b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 960c8a4ce0bSDick Kennedy if (!ctxp->ts_cmd_nvme) 9612b65e182SJames Smart return 0; 9622b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 9632b65e182SJames Smart ctxp->ts_status_wqput = ktime_get_ns(); 9642b65e182SJames Smart else 9652b65e182SJames Smart ctxp->ts_data_wqput = ktime_get_ns(); 9662b65e182SJames Smart #endif 967d613b6a7SJames Smart return 0; 968d613b6a7SJames Smart } 969d613b6a7SJames Smart 9706e8e1c14SJames Smart if (rc == -EBUSY) { 9716e8e1c14SJames Smart /* 9726e8e1c14SJames Smart * WQ was full, so queue nvmewqeq to be sent after 9736e8e1c14SJames Smart * WQE release CQE 9746e8e1c14SJames Smart */ 9756e8e1c14SJames Smart ctxp->flag |= LPFC_NVMET_DEFER_WQFULL; 9766e8e1c14SJames Smart wq = phba->sli4_hba.nvme_wq[rsp->hwqid]; 9776e8e1c14SJames Smart pring = wq->pring; 9786e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 9796e8e1c14SJames Smart list_add_tail(&nvmewqeq->list, &wq->wqfull_list); 9806e8e1c14SJames Smart wq->q_flag |= HBA_NVMET_WQFULL; 9816e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 982411de511SJames Smart atomic_inc(&lpfc_nvmep->defer_wqfull); 9836e8e1c14SJames Smart return 0; 9846e8e1c14SJames Smart } 9856e8e1c14SJames Smart 986d613b6a7SJames Smart /* Give back resources */ 987d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 988d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 989d613b6a7SJames Smart "6153 FCP Drop IO x%x: Issue: %d\n", 990d613b6a7SJames Smart ctxp->oxid, rc); 991d613b6a7SJames Smart 992d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 993d613b6a7SJames Smart nvmewqeq->context2 = NULL; 994d613b6a7SJames Smart nvmewqeq->context3 = NULL; 995a5068b46SJames Smart rc = -EBUSY; 996d613b6a7SJames Smart aerr: 997a5068b46SJames Smart return rc; 998d613b6a7SJames Smart } 999d613b6a7SJames Smart 1000d613b6a7SJames Smart static void 1001d613b6a7SJames Smart lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port *targetport) 1002d613b6a7SJames Smart { 1003d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tport = targetport->private; 1004d613b6a7SJames Smart 1005d613b6a7SJames Smart /* release any threads waiting for the unreg to complete */ 1006d613b6a7SJames Smart complete(&tport->tport_unreg_done); 1007d613b6a7SJames Smart } 1008d613b6a7SJames Smart 100919b58d94SJames Smart static void 1010a97ec51bSJames Smart lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport, 1011a97ec51bSJames Smart struct nvmefc_tgt_fcp_req *req) 1012a97ec51bSJames Smart { 1013a97ec51bSJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 1014a97ec51bSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 1015a97ec51bSJames Smart container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 1016a97ec51bSJames Smart struct lpfc_hba *phba = ctxp->phba; 10176e8e1c14SJames Smart struct lpfc_queue *wq; 101886c67379SJames Smart unsigned long flags; 1019a97ec51bSJames Smart 10201abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 10211abcb371SDick Kennedy return; 10221abcb371SDick Kennedy 10233386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 10243386f4bdSJames Smart return; 10253386f4bdSJames Smart 1026a97ec51bSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1027ce1b591cSJames Smart "6103 NVMET Abort op: oxri x%x flg x%x ste %d\n", 1028ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1029a97ec51bSJames Smart 1030ce1b591cSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP ABRT: xri x%x flg x%x ste x%x\n", 1031ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1032a97ec51bSJames Smart 1033a97ec51bSJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_abort); 1034ce1b591cSJames Smart 103586c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 1036c578f6f4SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 103786c67379SJames Smart 103886c67379SJames Smart /* Since iaab/iaar are NOT set, we need to check 103986c67379SJames Smart * if the firmware is in process of aborting IO 104086c67379SJames Smart */ 104186c67379SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) { 104286c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 104386c67379SJames Smart return; 104486c67379SJames Smart } 1045a97ec51bSJames Smart ctxp->flag |= LPFC_NVMET_ABORT_OP; 1046ce1b591cSJames Smart 10476e8e1c14SJames Smart if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) { 10486e8e1c14SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 10496e8e1c14SJames Smart ctxp->oxid); 10506e8e1c14SJames Smart wq = phba->sli4_hba.nvme_wq[ctxp->wqeq->hba_wqidx]; 1051917d59acSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 10526e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, ctxp); 10536e8e1c14SJames Smart return; 10546e8e1c14SJames Smart } 10556e8e1c14SJames Smart 1056ce1b591cSJames Smart /* An state of LPFC_NVMET_STE_RCV means we have just received 1057ce1b591cSJames Smart * the NVME command and have not started processing it. 1058ce1b591cSJames Smart * (by issuing any IO WQEs on this exchange yet) 1059ce1b591cSJames Smart */ 1060ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_RCV) 1061ce1b591cSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1062a97ec51bSJames Smart ctxp->oxid); 1063a97ec51bSJames Smart else 1064ce1b591cSJames Smart lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1065a97ec51bSJames Smart ctxp->oxid); 106686c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 1067a97ec51bSJames Smart } 1068a97ec51bSJames Smart 1069a97ec51bSJames Smart static void 107019b58d94SJames Smart lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, 107119b58d94SJames Smart struct nvmefc_tgt_fcp_req *rsp) 107219b58d94SJames Smart { 1073547077a4SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 107419b58d94SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 107519b58d94SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 107619b58d94SJames Smart struct lpfc_hba *phba = ctxp->phba; 107719b58d94SJames Smart unsigned long flags; 107819b58d94SJames Smart bool aborting = false; 107919b58d94SJames Smart 1080ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_DONE && 1081ce1b591cSJames Smart ctxp->state != LPFC_NVMET_STE_ABORT) { 1082ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1083ce1b591cSJames Smart "6413 NVMET release bad state %d %d oxid x%x\n", 1084ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1085ce1b591cSJames Smart } 1086ce1b591cSJames Smart 108719b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 108886c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABORT_OP) || 108986c67379SJames Smart (ctxp->flag & LPFC_NVMET_XBUSY)) { 109019b58d94SJames Smart aborting = true; 109186c67379SJames Smart /* let the abort path do the real release */ 109286c67379SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 109319b58d94SJames Smart } 109419b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 109519b58d94SJames Smart 10969094367aSArnd Bergmann lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, 10979094367aSArnd Bergmann ctxp->state, aborting); 109819b58d94SJames Smart 1099547077a4SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_release); 1100547077a4SJames Smart 110186c67379SJames Smart if (aborting) 110286c67379SJames Smart return; 110386c67379SJames Smart 11046c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 110519b58d94SJames Smart } 110619b58d94SJames Smart 110750738420SJames Smart static void 110850738420SJames Smart lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, 110950738420SJames Smart struct nvmefc_tgt_fcp_req *rsp) 111050738420SJames Smart { 111150738420SJames Smart struct lpfc_nvmet_tgtport *tgtp; 111250738420SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 111350738420SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 111450738420SJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 111550738420SJames Smart struct lpfc_hba *phba = ctxp->phba; 111650738420SJames Smart 111750738420SJames Smart lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", 111850738420SJames Smart ctxp->oxid, ctxp->size, smp_processor_id()); 111950738420SJames Smart 11206871e814SJames Smart if (!nvmebuf) { 11216871e814SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 11226871e814SJames Smart "6425 Defer rcv: no buffer xri x%x: " 11236871e814SJames Smart "flg %x ste %x\n", 11246871e814SJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 11256871e814SJames Smart return; 11266871e814SJames Smart } 11276871e814SJames Smart 112850738420SJames Smart tgtp = phba->targetport->private; 11296871e814SJames Smart if (tgtp) 113050738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_defer); 1131411de511SJames Smart 1132411de511SJames Smart /* Free the nvmebuf since a new buffer already replaced it */ 1133cbc5de1bSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 113450738420SJames Smart } 113550738420SJames Smart 1136d613b6a7SJames Smart static struct nvmet_fc_target_template lpfc_tgttemplate = { 1137d613b6a7SJames Smart .targetport_delete = lpfc_nvmet_targetport_delete, 1138d613b6a7SJames Smart .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, 1139d613b6a7SJames Smart .fcp_op = lpfc_nvmet_xmt_fcp_op, 1140a97ec51bSJames Smart .fcp_abort = lpfc_nvmet_xmt_fcp_abort, 114119b58d94SJames Smart .fcp_req_release = lpfc_nvmet_xmt_fcp_release, 114250738420SJames Smart .defer_rcv = lpfc_nvmet_defer_rcv, 1143d613b6a7SJames Smart 1144d613b6a7SJames Smart .max_hw_queues = 1, 1145d613b6a7SJames Smart .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1146d613b6a7SJames Smart .max_dif_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1147d613b6a7SJames Smart .dma_boundary = 0xFFFFFFFF, 1148d613b6a7SJames Smart 1149d613b6a7SJames Smart /* optional features */ 1150d613b6a7SJames Smart .target_features = 0, 1151d613b6a7SJames Smart /* sizes of additional private data for data structures */ 1152d613b6a7SJames Smart .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), 1153d613b6a7SJames Smart }; 1154d613b6a7SJames Smart 115539aa23f9SColin Ian King static void 115666d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, 115766d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop) 11586c621a22SJames Smart { 11596c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; 11606c621a22SJames Smart unsigned long flags; 11616c621a22SJames Smart 116266d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); 1163966bb5b7SJames Smart list_for_each_entry_safe(ctx_buf, next_ctx_buf, 116466d7ce93SDick Kennedy &infop->nvmet_ctx_list, list) { 1165c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 11666c621a22SJames Smart list_del_init(&ctx_buf->list); 1167c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 116866d7ce93SDick Kennedy 116966d7ce93SDick Kennedy __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); 11706c621a22SJames Smart ctx_buf->sglq->state = SGL_FREED; 11716c621a22SJames Smart ctx_buf->sglq->ndlp = NULL; 11726c621a22SJames Smart 1173c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.sgl_list_lock); 11746c621a22SJames Smart list_add_tail(&ctx_buf->sglq->list, 11756c621a22SJames Smart &phba->sli4_hba.lpfc_nvmet_sgl_list); 1176c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.sgl_list_lock); 11776c621a22SJames Smart 11786c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 11796c621a22SJames Smart kfree(ctx_buf->context); 11806c621a22SJames Smart } 118166d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); 1182966bb5b7SJames Smart } 118366d7ce93SDick Kennedy 118466d7ce93SDick Kennedy static void 118566d7ce93SDick Kennedy lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) 118666d7ce93SDick Kennedy { 118766d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 118866d7ce93SDick Kennedy int i, j; 118966d7ce93SDick Kennedy 119066d7ce93SDick Kennedy /* The first context list, MRQ 0 CPU 0 */ 119166d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 119266d7ce93SDick Kennedy if (!infop) 119366d7ce93SDick Kennedy return; 119466d7ce93SDick Kennedy 119566d7ce93SDick Kennedy /* Cycle the the entire CPU context list for every MRQ */ 119666d7ce93SDick Kennedy for (i = 0; i < phba->cfg_nvmet_mrq; i++) { 119766d7ce93SDick Kennedy for (j = 0; j < phba->sli4_hba.num_present_cpu; j++) { 119866d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(phba, infop); 119966d7ce93SDick Kennedy infop++; /* next */ 120066d7ce93SDick Kennedy } 120166d7ce93SDick Kennedy } 120266d7ce93SDick Kennedy kfree(phba->sli4_hba.nvmet_ctx_info); 120366d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = NULL; 12046c621a22SJames Smart } 12056c621a22SJames Smart 120639aa23f9SColin Ian King static int 12076c621a22SJames Smart lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) 12086c621a22SJames Smart { 12096c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 12106c621a22SJames Smart struct lpfc_iocbq *nvmewqe; 12116c621a22SJames Smart union lpfc_wqe128 *wqe; 121266d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *last_infop; 121366d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 121466d7ce93SDick Kennedy int i, j, idx; 12156c621a22SJames Smart 12166c621a22SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME, 12176c621a22SJames Smart "6403 Allocate NVMET resources for %d XRIs\n", 12186c621a22SJames Smart phba->sli4_hba.nvmet_xri_cnt); 12196c621a22SJames Smart 122066d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = kcalloc( 122166d7ce93SDick Kennedy phba->sli4_hba.num_present_cpu * phba->cfg_nvmet_mrq, 122266d7ce93SDick Kennedy sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); 122366d7ce93SDick Kennedy if (!phba->sli4_hba.nvmet_ctx_info) { 122466d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 122566d7ce93SDick Kennedy "6419 Failed allocate memory for " 122666d7ce93SDick Kennedy "nvmet context lists\n"); 122766d7ce93SDick Kennedy return -ENOMEM; 122866d7ce93SDick Kennedy } 122966d7ce93SDick Kennedy 123066d7ce93SDick Kennedy /* 123166d7ce93SDick Kennedy * Assuming X CPUs in the system, and Y MRQs, allocate some 123266d7ce93SDick Kennedy * lpfc_nvmet_ctx_info structures as follows: 123366d7ce93SDick Kennedy * 123466d7ce93SDick Kennedy * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 123566d7ce93SDick Kennedy * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 123666d7ce93SDick Kennedy * ... 123766d7ce93SDick Kennedy * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY 123866d7ce93SDick Kennedy * 123966d7ce93SDick Kennedy * Each line represents a MRQ "silo" containing an entry for 124066d7ce93SDick Kennedy * every CPU. 124166d7ce93SDick Kennedy * 124266d7ce93SDick Kennedy * MRQ X is initially assumed to be associated with CPU X, thus 124366d7ce93SDick Kennedy * contexts are initially distributed across all MRQs using 124466d7ce93SDick Kennedy * the MRQ index (N) as follows cpuN/mrqN. When contexts are 124566d7ce93SDick Kennedy * freed, the are freed to the MRQ silo based on the CPU number 124666d7ce93SDick Kennedy * of the IO completion. Thus a context that was allocated for MRQ A 124766d7ce93SDick Kennedy * whose IO completed on CPU B will be freed to cpuB/mrqA. 124866d7ce93SDick Kennedy */ 124966d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 125066d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 125166d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 125266d7ce93SDick Kennedy INIT_LIST_HEAD(&infop->nvmet_ctx_list); 125366d7ce93SDick Kennedy spin_lock_init(&infop->nvmet_ctx_list_lock); 125466d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt = 0; 125566d7ce93SDick Kennedy infop++; 125666d7ce93SDick Kennedy } 125766d7ce93SDick Kennedy } 125866d7ce93SDick Kennedy 125966d7ce93SDick Kennedy /* 126066d7ce93SDick Kennedy * Setup the next CPU context info ptr for each MRQ. 126166d7ce93SDick Kennedy * MRQ 0 will cycle thru CPUs 0 - X separately from 126266d7ce93SDick Kennedy * MRQ 1 cycling thru CPUs 0 - X, and so on. 126366d7ce93SDick Kennedy */ 126466d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 126566d7ce93SDick Kennedy last_infop = lpfc_get_ctx_list(phba, 0, j); 126666d7ce93SDick Kennedy for (i = phba->sli4_hba.num_present_cpu - 1; i >= 0; i--) { 126766d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, i, j); 126866d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu = last_infop; 126966d7ce93SDick Kennedy last_infop = infop; 127066d7ce93SDick Kennedy } 127166d7ce93SDick Kennedy } 127266d7ce93SDick Kennedy 12736c621a22SJames Smart /* For all nvmet xris, allocate resources needed to process a 12746c621a22SJames Smart * received command on a per xri basis. 12756c621a22SJames Smart */ 127666d7ce93SDick Kennedy idx = 0; 12776c621a22SJames Smart for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { 12786c621a22SJames Smart ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); 12796c621a22SJames Smart if (!ctx_buf) { 12806c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12816c621a22SJames Smart "6404 Ran out of memory for NVMET\n"); 12826c621a22SJames Smart return -ENOMEM; 12836c621a22SJames Smart } 12846c621a22SJames Smart 12856c621a22SJames Smart ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), 12866c621a22SJames Smart GFP_KERNEL); 12876c621a22SJames Smart if (!ctx_buf->context) { 12886c621a22SJames Smart kfree(ctx_buf); 12896c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 12906c621a22SJames Smart "6405 Ran out of NVMET " 12916c621a22SJames Smart "context memory\n"); 12926c621a22SJames Smart return -ENOMEM; 12936c621a22SJames Smart } 12946c621a22SJames Smart ctx_buf->context->ctxbuf = ctx_buf; 1295ce1b591cSJames Smart ctx_buf->context->state = LPFC_NVMET_STE_FREE; 12966c621a22SJames Smart 12976c621a22SJames Smart ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); 12986c621a22SJames Smart if (!ctx_buf->iocbq) { 12996c621a22SJames Smart kfree(ctx_buf->context); 13006c621a22SJames Smart kfree(ctx_buf); 13016c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13026c621a22SJames Smart "6406 Ran out of NVMET iocb/WQEs\n"); 13036c621a22SJames Smart return -ENOMEM; 13046c621a22SJames Smart } 13056c621a22SJames Smart ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; 13066c621a22SJames Smart nvmewqe = ctx_buf->iocbq; 1307205e8240SJames Smart wqe = &nvmewqe->wqe; 1308bd3061baSJames Smart 13096c621a22SJames Smart /* Initialize WQE */ 13106c621a22SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 13116c621a22SJames Smart 13126c621a22SJames Smart ctx_buf->iocbq->context1 = NULL; 13136c621a22SJames Smart spin_lock(&phba->sli4_hba.sgl_list_lock); 13146c621a22SJames Smart ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); 13156c621a22SJames Smart spin_unlock(&phba->sli4_hba.sgl_list_lock); 13166c621a22SJames Smart if (!ctx_buf->sglq) { 13176c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 13186c621a22SJames Smart kfree(ctx_buf->context); 13196c621a22SJames Smart kfree(ctx_buf); 13206c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13216c621a22SJames Smart "6407 Ran out of NVMET XRIs\n"); 13226c621a22SJames Smart return -ENOMEM; 13236c621a22SJames Smart } 132466d7ce93SDick Kennedy 132566d7ce93SDick Kennedy /* 132666d7ce93SDick Kennedy * Add ctx to MRQidx context list. Our initial assumption 132766d7ce93SDick Kennedy * is MRQidx will be associated with CPUidx. This association 132866d7ce93SDick Kennedy * can change on the fly. 132966d7ce93SDick Kennedy */ 133066d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, idx, idx); 133166d7ce93SDick Kennedy spin_lock(&infop->nvmet_ctx_list_lock); 133266d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 133366d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 133466d7ce93SDick Kennedy spin_unlock(&infop->nvmet_ctx_list_lock); 133566d7ce93SDick Kennedy 133666d7ce93SDick Kennedy /* Spread ctx structures evenly across all MRQs */ 133766d7ce93SDick Kennedy idx++; 133866d7ce93SDick Kennedy if (idx >= phba->cfg_nvmet_mrq) 133966d7ce93SDick Kennedy idx = 0; 13406c621a22SJames Smart } 134166d7ce93SDick Kennedy 134266d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 134366d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 134466d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 134566d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 134666d7ce93SDick Kennedy "6408 TOTAL NVMET ctx for CPU %d " 134766d7ce93SDick Kennedy "MRQ %d: cnt %d nextcpu %p\n", 134866d7ce93SDick Kennedy i, j, infop->nvmet_ctx_list_cnt, 134966d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu); 135066d7ce93SDick Kennedy infop++; 135166d7ce93SDick Kennedy } 135266d7ce93SDick Kennedy } 13536c621a22SJames Smart return 0; 13546c621a22SJames Smart } 13556c621a22SJames Smart 1356d613b6a7SJames Smart int 1357d613b6a7SJames Smart lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 1358d613b6a7SJames Smart { 1359d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1360d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1361d613b6a7SJames Smart struct nvmet_fc_port_info pinfo; 13626c621a22SJames Smart int error; 1363d613b6a7SJames Smart 1364d613b6a7SJames Smart if (phba->targetport) 1365d613b6a7SJames Smart return 0; 1366d613b6a7SJames Smart 13676c621a22SJames Smart error = lpfc_nvmet_setup_io_context(phba); 13686c621a22SJames Smart if (error) 13696c621a22SJames Smart return error; 13706c621a22SJames Smart 1371d613b6a7SJames Smart memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); 1372d613b6a7SJames Smart pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); 1373d613b6a7SJames Smart pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); 1374d613b6a7SJames Smart pinfo.port_id = vport->fc_myDID; 1375d613b6a7SJames Smart 13764d4c4a4aSJames Smart /* Limit to LPFC_MAX_NVME_SEG_CNT. 13774d4c4a4aSJames Smart * For now need + 1 to get around NVME transport logic. 13784d4c4a4aSJames Smart */ 13794d4c4a4aSJames Smart if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) { 13804d4c4a4aSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 13814d4c4a4aSJames Smart "6400 Reducing sg segment cnt to %d\n", 13824d4c4a4aSJames Smart LPFC_MAX_NVME_SEG_CNT); 13834d4c4a4aSJames Smart phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT; 13844d4c4a4aSJames Smart } else { 13854d4c4a4aSJames Smart phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt; 13864d4c4a4aSJames Smart } 13874d4c4a4aSJames Smart lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; 1388d613b6a7SJames Smart lpfc_tgttemplate.max_hw_queues = phba->cfg_nvme_io_channel; 1389f485c18dSDick Kennedy lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP; 1390d613b6a7SJames Smart 13917d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1392d613b6a7SJames Smart error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, 1393d613b6a7SJames Smart &phba->pcidev->dev, 1394d613b6a7SJames Smart &phba->targetport); 1395166d7211SJames Smart #else 13966c621a22SJames Smart error = -ENOENT; 1397166d7211SJames Smart #endif 1398d613b6a7SJames Smart if (error) { 1399d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1400e7981a2cSDick Kennedy "6025 Cannot register NVME targetport x%x: " 1401e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1402e7981a2cSDick Kennedy error, 1403e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1404e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1405e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1406d613b6a7SJames Smart phba->targetport = NULL; 1407e7981a2cSDick Kennedy phba->nvmet_support = 0; 14086c621a22SJames Smart 14096c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 14106c621a22SJames Smart 1411d613b6a7SJames Smart } else { 1412d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *) 1413d613b6a7SJames Smart phba->targetport->private; 1414d613b6a7SJames Smart tgtp->phba = phba; 1415d613b6a7SJames Smart 1416d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1417d613b6a7SJames Smart "6026 Registered NVME " 1418d613b6a7SJames Smart "targetport: %p, private %p " 1419e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1420d613b6a7SJames Smart phba->targetport, tgtp, 1421e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1422e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1423e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1424d613b6a7SJames Smart 1425d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_in, 0); 1426d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_out, 0); 1427d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_drop, 0); 1428d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_abort, 0); 1429547077a4SJames Smart atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); 1430d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp, 0); 1431d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_drop, 0); 1432d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_error, 0); 14334b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_xb_set, 0); 14344b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_aborted, 0); 1435d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); 1436d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_in, 0); 1437d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_out, 0); 1438d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); 1439d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_drop, 0); 1440d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read_rsp, 0); 1441d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read, 0); 1442d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_write, 0); 1443d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp, 0); 1444547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_release, 0); 1445d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); 1446d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_error, 0); 14474b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_xb_set, 0); 14484b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_aborted, 0); 1449d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); 14504b056682SJames Smart atomic_set(&tgtp->xmt_fcp_xri_abort_cqe, 0); 1451547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort, 0); 1452547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); 1453547077a4SJames Smart atomic_set(&tgtp->xmt_abort_unsol, 0); 1454547077a4SJames Smart atomic_set(&tgtp->xmt_abort_sol, 0); 1455d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp, 0); 1456d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp_error, 0); 1457411de511SJames Smart atomic_set(&tgtp->defer_ctx, 0); 1458411de511SJames Smart atomic_set(&tgtp->defer_fod, 0); 1459411de511SJames Smart atomic_set(&tgtp->defer_wqfull, 0); 1460d613b6a7SJames Smart } 1461d613b6a7SJames Smart return error; 1462d613b6a7SJames Smart } 1463d613b6a7SJames Smart 1464d613b6a7SJames Smart int 1465d613b6a7SJames Smart lpfc_nvmet_update_targetport(struct lpfc_hba *phba) 1466d613b6a7SJames Smart { 1467d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1468d613b6a7SJames Smart 1469d613b6a7SJames Smart if (!phba->targetport) 1470d613b6a7SJames Smart return 0; 1471d613b6a7SJames Smart 1472d613b6a7SJames Smart lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, 1473d613b6a7SJames Smart "6007 Update NVMET port %p did x%x\n", 1474d613b6a7SJames Smart phba->targetport, vport->fc_myDID); 1475d613b6a7SJames Smart 1476d613b6a7SJames Smart phba->targetport->port_id = vport->fc_myDID; 1477d613b6a7SJames Smart return 0; 1478d613b6a7SJames Smart } 1479d613b6a7SJames Smart 1480318083adSJames Smart /** 1481318083adSJames Smart * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort 1482318083adSJames Smart * @phba: pointer to lpfc hba data structure. 1483318083adSJames Smart * @axri: pointer to the nvmet xri abort wcqe structure. 1484318083adSJames Smart * 1485318083adSJames Smart * This routine is invoked by the worker thread to process a SLI4 fast-path 1486318083adSJames Smart * NVMET aborted xri. 1487318083adSJames Smart **/ 1488318083adSJames Smart void 1489318083adSJames Smart lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 1490318083adSJames Smart struct sli4_wcqe_xri_aborted *axri) 1491318083adSJames Smart { 149286c67379SJames Smart uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); 149386c67379SJames Smart uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); 149486c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 14954b056682SJames Smart struct lpfc_nvmet_tgtport *tgtp; 149686c67379SJames Smart struct lpfc_nodelist *ndlp; 149786c67379SJames Smart unsigned long iflag = 0; 149886c67379SJames Smart int rrq_empty = 0; 149986c67379SJames Smart bool released = false; 150086c67379SJames Smart 150186c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 150286c67379SJames Smart "6317 XB aborted xri x%x rxid x%x\n", xri, rxid); 150386c67379SJames Smart 150486c67379SJames Smart if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 150586c67379SJames Smart return; 15064b056682SJames Smart 15074b056682SJames Smart if (phba->targetport) { 15084b056682SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 15094b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_xri_abort_cqe); 15104b056682SJames Smart } 15114b056682SJames Smart 151286c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 151386c67379SJames Smart spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 151486c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 151586c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 151686c67379SJames Smart list) { 15176c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 151886c67379SJames Smart continue; 151986c67379SJames Smart 152086c67379SJames Smart /* Check if we already received a free context call 152186c67379SJames Smart * and we have completed processing an abort situation. 152286c67379SJames Smart */ 152386c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS && 152486c67379SJames Smart !(ctxp->flag & LPFC_NVMET_ABORT_OP)) { 152586c67379SJames Smart list_del(&ctxp->list); 152686c67379SJames Smart released = true; 152786c67379SJames Smart } 152886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 152986c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 153086c67379SJames Smart 153186c67379SJames Smart rrq_empty = list_empty(&phba->active_rrq_list); 153286c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 153386c67379SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 153486c67379SJames Smart if (ndlp && NLP_CHK_NODE_ACT(ndlp) && 153586c67379SJames Smart (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || 153686c67379SJames Smart ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { 153786c67379SJames Smart lpfc_set_rrq_active(phba, ndlp, 15386c621a22SJames Smart ctxp->ctxbuf->sglq->sli4_lxritag, 153986c67379SJames Smart rxid, 1); 154086c67379SJames Smart lpfc_sli4_abts_err_handler(phba, ndlp, axri); 154186c67379SJames Smart } 154286c67379SJames Smart 154386c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 1544ce1b591cSJames Smart "6318 XB aborted oxid %x flg x%x (%x)\n", 154586c67379SJames Smart ctxp->oxid, ctxp->flag, released); 154686c67379SJames Smart if (released) 15476c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 15486c621a22SJames Smart 154986c67379SJames Smart if (rrq_empty) 155086c67379SJames Smart lpfc_worker_wake_up(phba); 155186c67379SJames Smart return; 155286c67379SJames Smart } 155386c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 155486c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 155586c67379SJames Smart } 155686c67379SJames Smart 155786c67379SJames Smart int 155886c67379SJames Smart lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, 155986c67379SJames Smart struct fc_frame_header *fc_hdr) 156086c67379SJames Smart 156186c67379SJames Smart { 156286c67379SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 156386c67379SJames Smart struct lpfc_hba *phba = vport->phba; 156486c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 156586c67379SJames Smart struct nvmefc_tgt_fcp_req *rsp; 156686c67379SJames Smart uint16_t xri; 156786c67379SJames Smart unsigned long iflag = 0; 156886c67379SJames Smart 156986c67379SJames Smart xri = be16_to_cpu(fc_hdr->fh_ox_id); 157086c67379SJames Smart 157186c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 157286c67379SJames Smart spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); 157386c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 157486c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 157586c67379SJames Smart list) { 15766c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 157786c67379SJames Smart continue; 157886c67379SJames Smart 157986c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 158086c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 158186c67379SJames Smart 158286c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 158386c67379SJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 158486c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 158586c67379SJames Smart 158686c67379SJames Smart lpfc_nvmeio_data(phba, 158786c67379SJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 158886c67379SJames Smart xri, smp_processor_id(), 0); 158986c67379SJames Smart 159086c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 159186c67379SJames Smart "6319 NVMET Rcv ABTS:acc xri x%x\n", xri); 159286c67379SJames Smart 159386c67379SJames Smart rsp = &ctxp->ctx.fcp_req; 159486c67379SJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, rsp); 159586c67379SJames Smart 159686c67379SJames Smart /* Respond with BA_ACC accordingly */ 159786c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 159886c67379SJames Smart return 0; 159986c67379SJames Smart } 160086c67379SJames Smart spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); 160186c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 160286c67379SJames Smart 160386c67379SJames Smart lpfc_nvmeio_data(phba, "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 160486c67379SJames Smart xri, smp_processor_id(), 1); 160586c67379SJames Smart 160686c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 160786c67379SJames Smart "6320 NVMET Rcv ABTS:rjt xri x%x\n", xri); 160886c67379SJames Smart 160986c67379SJames Smart /* Respond with BA_RJT accordingly */ 161086c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0); 161186c67379SJames Smart #endif 1612b06e13c3SJens Axboe return 0; 1613318083adSJames Smart } 1614318083adSJames Smart 16156e8e1c14SJames Smart static void 16166e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, 16176e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 16186e8e1c14SJames Smart { 16196e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16206e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16216e8e1c14SJames Smart struct lpfc_iocbq *next_nvmewqeq; 16226e8e1c14SJames Smart unsigned long iflags; 16236e8e1c14SJames Smart struct lpfc_wcqe_complete wcqe; 16246e8e1c14SJames Smart struct lpfc_wcqe_complete *wcqep; 16256e8e1c14SJames Smart 16266e8e1c14SJames Smart pring = wq->pring; 16276e8e1c14SJames Smart wcqep = &wcqe; 16286e8e1c14SJames Smart 16296e8e1c14SJames Smart /* Fake an ABORT error code back to cmpl routine */ 16306e8e1c14SJames Smart memset(wcqep, 0, sizeof(struct lpfc_wcqe_complete)); 16316e8e1c14SJames Smart bf_set(lpfc_wcqe_c_status, wcqep, IOSTAT_LOCAL_REJECT); 16326e8e1c14SJames Smart wcqep->parameter = IOERR_ABORT_REQUESTED; 16336e8e1c14SJames Smart 16346e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16356e8e1c14SJames Smart list_for_each_entry_safe(nvmewqeq, next_nvmewqeq, 16366e8e1c14SJames Smart &wq->wqfull_list, list) { 16376e8e1c14SJames Smart if (ctxp) { 16386e8e1c14SJames Smart /* Checking for a specific IO to flush */ 16396e8e1c14SJames Smart if (nvmewqeq->context2 == ctxp) { 16406e8e1c14SJames Smart list_del(&nvmewqeq->list); 16416e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, 16426e8e1c14SJames Smart iflags); 16436e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, 16446e8e1c14SJames Smart wcqep); 16456e8e1c14SJames Smart return; 16466e8e1c14SJames Smart } 16476e8e1c14SJames Smart continue; 16486e8e1c14SJames Smart } else { 16496e8e1c14SJames Smart /* Flush all IOs */ 16506e8e1c14SJames Smart list_del(&nvmewqeq->list); 16516e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16526e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, wcqep); 16536e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16546e8e1c14SJames Smart } 16556e8e1c14SJames Smart } 16566e8e1c14SJames Smart if (!ctxp) 16576e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 16586e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16596e8e1c14SJames Smart } 16606e8e1c14SJames Smart 16616e8e1c14SJames Smart void 16626e8e1c14SJames Smart lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, 16636e8e1c14SJames Smart struct lpfc_queue *wq) 16646e8e1c14SJames Smart { 16656e8e1c14SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 16666e8e1c14SJames Smart struct lpfc_sli_ring *pring; 16676e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 16686e8e1c14SJames Smart unsigned long iflags; 16696e8e1c14SJames Smart int rc; 16706e8e1c14SJames Smart 16716e8e1c14SJames Smart /* 16726e8e1c14SJames Smart * Some WQE slots are available, so try to re-issue anything 16736e8e1c14SJames Smart * on the WQ wqfull_list. 16746e8e1c14SJames Smart */ 16756e8e1c14SJames Smart pring = wq->pring; 16766e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16776e8e1c14SJames Smart while (!list_empty(&wq->wqfull_list)) { 16786e8e1c14SJames Smart list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq, 16796e8e1c14SJames Smart list); 16806e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16816e8e1c14SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq); 16826e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 16836e8e1c14SJames Smart if (rc == -EBUSY) { 16846e8e1c14SJames Smart /* WQ was full again, so put it back on the list */ 16856e8e1c14SJames Smart list_add(&nvmewqeq->list, &wq->wqfull_list); 16866e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16876e8e1c14SJames Smart return; 16886e8e1c14SJames Smart } 16896e8e1c14SJames Smart } 16906e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 16916e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 16926e8e1c14SJames Smart 16936e8e1c14SJames Smart #endif 16946e8e1c14SJames Smart } 16956e8e1c14SJames Smart 1696d613b6a7SJames Smart void 1697d613b6a7SJames Smart lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 1698d613b6a7SJames Smart { 16997d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1700d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 17016e8e1c14SJames Smart struct lpfc_queue *wq; 17026e8e1c14SJames Smart uint32_t qidx; 1703d613b6a7SJames Smart 1704d613b6a7SJames Smart if (phba->nvmet_support == 0) 1705d613b6a7SJames Smart return; 1706d613b6a7SJames Smart if (phba->targetport) { 1707d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 17086e8e1c14SJames Smart for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) { 17096e8e1c14SJames Smart wq = phba->sli4_hba.nvme_wq[qidx]; 17106e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, NULL); 17116e8e1c14SJames Smart } 1712d613b6a7SJames Smart init_completion(&tgtp->tport_unreg_done); 1713d613b6a7SJames Smart nvmet_fc_unregister_targetport(phba->targetport); 1714d613b6a7SJames Smart wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); 17156c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 1716d613b6a7SJames Smart } 1717d613b6a7SJames Smart phba->targetport = NULL; 1718166d7211SJames Smart #endif 1719d613b6a7SJames Smart } 1720d613b6a7SJames Smart 1721d613b6a7SJames Smart /** 1722d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer 1723d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1724d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1725d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1726d613b6a7SJames Smart * 1727d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1728d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1729d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1730d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1731d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1732d613b6a7SJames Smart * of the discovery state machine. 1733d613b6a7SJames Smart **/ 1734d613b6a7SJames Smart static void 1735d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1736d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf) 1737d613b6a7SJames Smart { 17387d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1739d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1740d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 1741d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1742d613b6a7SJames Smart uint32_t *payload; 1743d613b6a7SJames Smart uint32_t size, oxid, sid, rc; 1744d613b6a7SJames Smart 174568c9b55dSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 174668c9b55dSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 174768c9b55dSJames Smart 1748cc74e31dSColin Ian King if (!phba->targetport) { 1749d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 175068c9b55dSJames Smart "6154 LS Drop IO x%x\n", oxid); 17512b65e182SJames Smart oxid = 0; 17522b65e182SJames Smart size = 0; 17532b65e182SJames Smart sid = 0; 1754547077a4SJames Smart ctxp = NULL; 1755d613b6a7SJames Smart goto dropit; 1756d613b6a7SJames Smart } 1757d613b6a7SJames Smart 1758d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1759d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1760d613b6a7SJames Smart size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); 1761d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1762d613b6a7SJames Smart 1763d613b6a7SJames Smart ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC); 1764d613b6a7SJames Smart if (ctxp == NULL) { 1765d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1766d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1767d613b6a7SJames Smart "6155 LS Drop IO x%x: Alloc\n", 1768d613b6a7SJames Smart oxid); 1769d613b6a7SJames Smart dropit: 17702b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: " 17712b65e182SJames Smart "xri x%x sz %d from %06x\n", 17722b65e182SJames Smart oxid, size, sid); 1773d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1774d613b6a7SJames Smart return; 1775d613b6a7SJames Smart } 1776d613b6a7SJames Smart ctxp->phba = phba; 1777d613b6a7SJames Smart ctxp->size = size; 1778d613b6a7SJames Smart ctxp->oxid = oxid; 1779d613b6a7SJames Smart ctxp->sid = sid; 1780d613b6a7SJames Smart ctxp->wqeq = NULL; 1781ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RCV; 1782ce1b591cSJames Smart ctxp->entry_cnt = 1; 1783d613b6a7SJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 17842b65e182SJames Smart 17852b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n", 17862b65e182SJames Smart oxid, size, sid); 1787d613b6a7SJames Smart /* 1788d613b6a7SJames Smart * The calling sequence should be: 1789d613b6a7SJames Smart * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done 1790d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp. 1791d613b6a7SJames Smart */ 1792d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_in); 1793d613b6a7SJames Smart rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req, 1794d613b6a7SJames Smart payload, size); 1795d613b6a7SJames Smart 1796d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1797ce1b591cSJames Smart "6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x " 1798ce1b591cSJames Smart "%08x %08x %08x\n", size, rc, 1799d613b6a7SJames Smart *payload, *(payload+1), *(payload+2), 1800d613b6a7SJames Smart *(payload+3), *(payload+4), *(payload+5)); 18012b65e182SJames Smart 1802d613b6a7SJames Smart if (rc == 0) { 1803d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_out); 1804d613b6a7SJames Smart return; 1805d613b6a7SJames Smart } 18062b65e182SJames Smart 18072b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n", 18082b65e182SJames Smart oxid, size, sid); 18092b65e182SJames Smart 1810d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1811d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1812d613b6a7SJames Smart "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n", 1813d613b6a7SJames Smart ctxp->oxid, rc); 1814d613b6a7SJames Smart 1815d613b6a7SJames Smart /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ 1816d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1817d613b6a7SJames Smart 1818d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_abort); 1819d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); 1820166d7211SJames Smart #endif 1821d613b6a7SJames Smart } 1822d613b6a7SJames Smart 182366d7ce93SDick Kennedy static struct lpfc_nvmet_ctxbuf * 182466d7ce93SDick Kennedy lpfc_nvmet_replenish_context(struct lpfc_hba *phba, 182566d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop) 182666d7ce93SDick Kennedy { 18272299e432SDick Kennedy #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 182866d7ce93SDick Kennedy struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; 182966d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *get_infop; 183066d7ce93SDick Kennedy int i; 183166d7ce93SDick Kennedy 183266d7ce93SDick Kennedy /* 183366d7ce93SDick Kennedy * The current_infop for the MRQ a NVME command IU was received 183466d7ce93SDick Kennedy * on is empty. Our goal is to replenish this MRQs context 183566d7ce93SDick Kennedy * list from a another CPUs. 183666d7ce93SDick Kennedy * 183766d7ce93SDick Kennedy * First we need to pick a context list to start looking on. 183866d7ce93SDick Kennedy * nvmet_ctx_start_cpu has available context the last time 183966d7ce93SDick Kennedy * we needed to replenish this CPU where nvmet_ctx_next_cpu 184066d7ce93SDick Kennedy * is just the next sequential CPU for this MRQ. 184166d7ce93SDick Kennedy */ 184266d7ce93SDick Kennedy if (current_infop->nvmet_ctx_start_cpu) 184366d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_start_cpu; 184466d7ce93SDick Kennedy else 184566d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_next_cpu; 184666d7ce93SDick Kennedy 184766d7ce93SDick Kennedy for (i = 0; i < phba->sli4_hba.num_present_cpu; i++) { 184866d7ce93SDick Kennedy if (get_infop == current_infop) { 184966d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 185066d7ce93SDick Kennedy continue; 185166d7ce93SDick Kennedy } 185266d7ce93SDick Kennedy spin_lock(&get_infop->nvmet_ctx_list_lock); 185366d7ce93SDick Kennedy 185466d7ce93SDick Kennedy /* Just take the entire context list, if there are any */ 185566d7ce93SDick Kennedy if (get_infop->nvmet_ctx_list_cnt) { 185666d7ce93SDick Kennedy list_splice_init(&get_infop->nvmet_ctx_list, 185766d7ce93SDick Kennedy ¤t_infop->nvmet_ctx_list); 185866d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt = 185966d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt - 1; 186066d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt = 0; 186166d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 186266d7ce93SDick Kennedy 186366d7ce93SDick Kennedy current_infop->nvmet_ctx_start_cpu = get_infop; 186466d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 186566d7ce93SDick Kennedy ctx_buf, struct lpfc_nvmet_ctxbuf, 186666d7ce93SDick Kennedy list); 186766d7ce93SDick Kennedy return ctx_buf; 186866d7ce93SDick Kennedy } 186966d7ce93SDick Kennedy 187066d7ce93SDick Kennedy /* Otherwise, move on to the next CPU for this MRQ */ 187166d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 187266d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 187366d7ce93SDick Kennedy } 187466d7ce93SDick Kennedy 18752299e432SDick Kennedy #endif 187666d7ce93SDick Kennedy /* Nothing found, all contexts for the MRQ are in-flight */ 187766d7ce93SDick Kennedy return NULL; 187866d7ce93SDick Kennedy } 187966d7ce93SDick Kennedy 1880d613b6a7SJames Smart /** 1881d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer 1882d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 188366d7ce93SDick Kennedy * @idx: relative index of MRQ vector 1884d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1885d613b6a7SJames Smart * 1886d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1887d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1888d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1889d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1890d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1891d613b6a7SJames Smart * of the discovery state machine. 1892d613b6a7SJames Smart **/ 1893d613b6a7SJames Smart static void 1894d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 189566d7ce93SDick Kennedy uint32_t idx, 1896d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 1897d613b6a7SJames Smart uint64_t isr_timestamp) 1898d613b6a7SJames Smart { 1899d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1900d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1901d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 19026c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 190366d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop; 1904d613b6a7SJames Smart uint32_t *payload; 1905a8cf5dfeSJames Smart uint32_t size, oxid, sid, rc, qno; 19066c621a22SJames Smart unsigned long iflag; 190766d7ce93SDick Kennedy int current_cpu; 19082b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 19092b65e182SJames Smart uint32_t id; 19102b65e182SJames Smart #endif 1911d613b6a7SJames Smart 191273626173SArnd Bergmann if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) 191373626173SArnd Bergmann return; 191473626173SArnd Bergmann 19156c621a22SJames Smart ctx_buf = NULL; 1916d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 1917d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 19186c621a22SJames Smart "6157 NVMET FCP Drop IO\n"); 19192b65e182SJames Smart oxid = 0; 19202b65e182SJames Smart size = 0; 19212b65e182SJames Smart sid = 0; 1922547077a4SJames Smart ctxp = NULL; 1923d613b6a7SJames Smart goto dropit; 1924d613b6a7SJames Smart } 1925d613b6a7SJames Smart 192666d7ce93SDick Kennedy /* 192766d7ce93SDick Kennedy * Get a pointer to the context list for this MRQ based on 192866d7ce93SDick Kennedy * the CPU this MRQ IRQ is associated with. If the CPU association 192966d7ce93SDick Kennedy * changes from our initial assumption, the context list could 193066d7ce93SDick Kennedy * be empty, thus it would need to be replenished with the 193166d7ce93SDick Kennedy * context list from another CPU for this MRQ. 193266d7ce93SDick Kennedy */ 193366d7ce93SDick Kennedy current_cpu = smp_processor_id(); 193466d7ce93SDick Kennedy current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); 193566d7ce93SDick Kennedy spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); 193666d7ce93SDick Kennedy if (current_infop->nvmet_ctx_list_cnt) { 193766d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 19386c621a22SJames Smart ctx_buf, struct lpfc_nvmet_ctxbuf, list); 193966d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt--; 1940966bb5b7SJames Smart } else { 194166d7ce93SDick Kennedy ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); 19426c621a22SJames Smart } 194366d7ce93SDick Kennedy spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); 19446c621a22SJames Smart 1945a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 1946a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 1947a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 1948a8cf5dfeSJames Smart 1949a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1950a8cf5dfeSJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { 1951a8cf5dfeSJames Smart id = smp_processor_id(); 1952a8cf5dfeSJames Smart if (id < LPFC_CHECK_CPU_CNT) 1953a8cf5dfeSJames Smart phba->cpucheck_rcv_io[id]++; 1954a8cf5dfeSJames Smart } 1955a8cf5dfeSJames Smart #endif 1956a8cf5dfeSJames Smart 1957a8cf5dfeSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", 1958a8cf5dfeSJames Smart oxid, size, smp_processor_id()); 1959a8cf5dfeSJames Smart 1960411de511SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1961411de511SJames Smart 19626c621a22SJames Smart if (!ctx_buf) { 1963a8cf5dfeSJames Smart /* Queue this NVME IO to process later */ 1964a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 1965a8cf5dfeSJames Smart list_add_tail(&nvmebuf->hbuf.list, 1966a8cf5dfeSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list); 1967a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt++; 1968a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_total++; 1969a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 1970a8cf5dfeSJames Smart iflag); 1971a8cf5dfeSJames Smart 1972a8cf5dfeSJames Smart /* Post a brand new DMA buffer to RQ */ 1973a8cf5dfeSJames Smart qno = nvmebuf->idx; 1974a8cf5dfeSJames Smart lpfc_post_rq_buffer( 1975a8cf5dfeSJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 1976a8cf5dfeSJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 1977411de511SJames Smart 1978411de511SJames Smart atomic_inc(&tgtp->defer_ctx); 1979a8cf5dfeSJames Smart return; 19806c621a22SJames Smart } 1981d613b6a7SJames Smart 1982d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1983d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1984d613b6a7SJames Smart 19856c621a22SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 1986ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_FREE) { 1987ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1988ce1b591cSJames Smart "6414 NVMET Context corrupt %d %d oxid x%x\n", 1989ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1990ce1b591cSJames Smart } 1991d613b6a7SJames Smart ctxp->wqeq = NULL; 1992d613b6a7SJames Smart ctxp->txrdy = NULL; 1993d613b6a7SJames Smart ctxp->offset = 0; 1994d613b6a7SJames Smart ctxp->phba = phba; 1995d613b6a7SJames Smart ctxp->size = size; 1996d613b6a7SJames Smart ctxp->oxid = oxid; 1997d613b6a7SJames Smart ctxp->sid = sid; 199866d7ce93SDick Kennedy ctxp->idx = idx; 1999d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 2000d613b6a7SJames Smart ctxp->entry_cnt = 1; 2001d613b6a7SJames Smart ctxp->flag = 0; 20026c621a22SJames Smart ctxp->ctxbuf = ctx_buf; 2003cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 20042b7824d0SJames Smart spin_lock_init(&ctxp->ctxlock); 2005d613b6a7SJames Smart 20062b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2007c8a4ce0bSDick Kennedy if (isr_timestamp) { 20082b65e182SJames Smart ctxp->ts_isr_cmd = isr_timestamp; 20092b65e182SJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 20102b65e182SJames Smart ctxp->ts_nvme_data = 0; 20112b65e182SJames Smart ctxp->ts_data_wqput = 0; 20122b65e182SJames Smart ctxp->ts_isr_data = 0; 20132b65e182SJames Smart ctxp->ts_data_nvme = 0; 20142b65e182SJames Smart ctxp->ts_nvme_status = 0; 20152b65e182SJames Smart ctxp->ts_status_wqput = 0; 20162b65e182SJames Smart ctxp->ts_isr_status = 0; 20172b65e182SJames Smart ctxp->ts_status_nvme = 0; 2018c8a4ce0bSDick Kennedy } else { 2019c8a4ce0bSDick Kennedy ctxp->ts_cmd_nvme = 0; 20202b65e182SJames Smart } 20212b65e182SJames Smart #endif 20222b65e182SJames Smart 2023d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 2024d613b6a7SJames Smart /* 2025d613b6a7SJames Smart * The calling sequence should be: 2026d613b6a7SJames Smart * nvmet_fc_rcv_fcp_req -> lpfc_nvmet_xmt_fcp_op/cmp -> req->done 2027d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 20286c621a22SJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info in 20296c621a22SJames Smart * the NVME command / FC header is stored, so we are free to repost 20306c621a22SJames Smart * the buffer. 2031d613b6a7SJames Smart */ 2032d613b6a7SJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 2033d613b6a7SJames Smart payload, size); 2034d613b6a7SJames Smart 2035d613b6a7SJames Smart /* Process FCP command */ 2036d613b6a7SJames Smart if (rc == 0) { 2037cbc5de1bSJames Smart ctxp->rqb_buffer = NULL; 2038d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 20396c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 2040d613b6a7SJames Smart return; 2041d613b6a7SJames Smart } 2042d613b6a7SJames Smart 204350738420SJames Smart /* Processing of FCP command is deferred */ 204450738420SJames Smart if (rc == -EOVERFLOW) { 2045411de511SJames Smart /* 2046411de511SJames Smart * Post a brand new DMA buffer to RQ and defer 2047411de511SJames Smart * freeing rcv buffer till .defer_rcv callback 2048411de511SJames Smart */ 2049411de511SJames Smart qno = nvmebuf->idx; 2050411de511SJames Smart lpfc_post_rq_buffer( 2051411de511SJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 2052411de511SJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 2053411de511SJames Smart 205450738420SJames Smart lpfc_nvmeio_data(phba, 205550738420SJames Smart "NVMET RCV BUSY: xri x%x sz %d from %06x\n", 205650738420SJames Smart oxid, size, sid); 205750738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 2058411de511SJames Smart atomic_inc(&tgtp->defer_fod); 205950738420SJames Smart return; 206050738420SJames Smart } 2061cbc5de1bSJames Smart ctxp->rqb_buffer = nvmebuf; 206250738420SJames Smart 2063d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 2064d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2065547077a4SJames Smart "6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 2066547077a4SJames Smart ctxp->oxid, rc, 2067547077a4SJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 2068547077a4SJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 2069547077a4SJames Smart atomic_read(&tgtp->xmt_fcp_release)); 2070d613b6a7SJames Smart dropit: 20712b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", 20722b65e182SJames Smart oxid, size, sid); 2073d613b6a7SJames Smart if (oxid) { 20746c621a22SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 2075d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 20766c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 2077d613b6a7SJames Smart return; 2078d613b6a7SJames Smart } 2079d613b6a7SJames Smart 20806c621a22SJames Smart if (ctx_buf) 20816c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctx_buf); 20826c621a22SJames Smart 20836c621a22SJames Smart if (nvmebuf) 20846c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 2085d613b6a7SJames Smart } 2086d613b6a7SJames Smart 2087d613b6a7SJames Smart /** 2088d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport 2089d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 2090d613b6a7SJames Smart * @pring: pointer to a SLI ring. 2091d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2092d613b6a7SJames Smart * 2093d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2094d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2095d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2096d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the 2097d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2098d613b6a7SJames Smart **/ 2099d613b6a7SJames Smart void 2100d613b6a7SJames Smart lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 2101d613b6a7SJames Smart struct lpfc_iocbq *piocb) 2102d613b6a7SJames Smart { 2103d613b6a7SJames Smart struct lpfc_dmabuf *d_buf; 2104d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf; 2105d613b6a7SJames Smart 2106d613b6a7SJames Smart d_buf = piocb->context2; 2107d613b6a7SJames Smart nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); 2108d613b6a7SJames Smart 2109d613b6a7SJames Smart if (phba->nvmet_support == 0) { 2110d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 2111d613b6a7SJames Smart return; 2112d613b6a7SJames Smart } 2113d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf); 2114d613b6a7SJames Smart } 2115d613b6a7SJames Smart 2116d613b6a7SJames Smart /** 2117d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport 2118d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 211966d7ce93SDick Kennedy * @idx: relative index of MRQ vector 2120d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2121d613b6a7SJames Smart * 2122d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2123d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2124d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2125d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the 2126d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2127d613b6a7SJames Smart **/ 2128d613b6a7SJames Smart void 2129d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, 213066d7ce93SDick Kennedy uint32_t idx, 2131d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 2132d613b6a7SJames Smart uint64_t isr_timestamp) 2133d613b6a7SJames Smart { 2134d613b6a7SJames Smart if (phba->nvmet_support == 0) { 21356c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2136d613b6a7SJames Smart return; 2137d613b6a7SJames Smart } 213866d7ce93SDick Kennedy lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, 2139d613b6a7SJames Smart isr_timestamp); 2140d613b6a7SJames Smart } 2141d613b6a7SJames Smart 2142d613b6a7SJames Smart /** 2143d613b6a7SJames Smart * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure 2144d613b6a7SJames Smart * @phba: pointer to a host N_Port data structure. 2145d613b6a7SJames Smart * @ctxp: Context info for NVME LS Request 2146d613b6a7SJames Smart * @rspbuf: DMA buffer of NVME command. 2147d613b6a7SJames Smart * @rspsize: size of the NVME command. 2148d613b6a7SJames Smart * 2149d613b6a7SJames Smart * This routine is used for allocating a lpfc-WQE data structure from 2150d613b6a7SJames Smart * the driver lpfc-WQE free-list and prepare the WQE with the parameters 2151d613b6a7SJames Smart * passed into the routine for discovery state machine to issue an Extended 2152d613b6a7SJames Smart * Link Service (NVME) commands. It is a generic lpfc-WQE allocation 2153d613b6a7SJames Smart * and preparation routine that is used by all the discovery state machine 2154d613b6a7SJames Smart * routines and the NVME command-specific fields will be later set up by 2155d613b6a7SJames Smart * the individual discovery machine routines after calling this routine 2156d613b6a7SJames Smart * allocating and preparing a generic WQE data structure. It fills in the 2157d613b6a7SJames Smart * Buffer Descriptor Entries (BDEs), allocates buffers for both command 2158d613b6a7SJames Smart * payload and response payload (if expected). The reference count on the 2159d613b6a7SJames Smart * ndlp is incremented by 1 and the reference to the ndlp is put into 2160d613b6a7SJames Smart * context1 of the WQE data structure for this WQE to hold the ndlp 2161d613b6a7SJames Smart * reference for the command's callback function to access later. 2162d613b6a7SJames Smart * 2163d613b6a7SJames Smart * Return code 2164d613b6a7SJames Smart * Pointer to the newly allocated/prepared nvme wqe data structure 2165d613b6a7SJames Smart * NULL - when nvme wqe data structure allocation/preparation failed 2166d613b6a7SJames Smart **/ 2167d613b6a7SJames Smart static struct lpfc_iocbq * 2168d613b6a7SJames Smart lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, 2169d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2170d613b6a7SJames Smart dma_addr_t rspbuf, uint16_t rspsize) 2171d613b6a7SJames Smart { 2172d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2173d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2174205e8240SJames Smart union lpfc_wqe128 *wqe; 2175d613b6a7SJames Smart 2176d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2177d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2178ce1b591cSJames Smart "6104 NVMET prep LS wqe: link err: " 2179ce1b591cSJames Smart "NPORT x%x oxid:x%x ste %d\n", 2180ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2181d613b6a7SJames Smart return NULL; 2182d613b6a7SJames Smart } 2183d613b6a7SJames Smart 2184d613b6a7SJames Smart /* Allocate buffer for command wqe */ 2185d613b6a7SJames Smart nvmewqe = lpfc_sli_get_iocbq(phba); 2186d613b6a7SJames Smart if (nvmewqe == NULL) { 2187d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2188ce1b591cSJames Smart "6105 NVMET prep LS wqe: No WQE: " 2189ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2190ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2191d613b6a7SJames Smart return NULL; 2192d613b6a7SJames Smart } 2193d613b6a7SJames Smart 2194d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2195d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2196d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2197d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2198d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2199ce1b591cSJames Smart "6106 NVMET prep LS wqe: No ndlp: " 2200ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2201ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2202d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2203d613b6a7SJames Smart } 2204d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2205d613b6a7SJames Smart 2206d613b6a7SJames Smart /* prevent preparing wqe with NULL ndlp reference */ 2207d613b6a7SJames Smart nvmewqe->context1 = lpfc_nlp_get(ndlp); 2208d613b6a7SJames Smart if (nvmewqe->context1 == NULL) 2209d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2210d613b6a7SJames Smart nvmewqe->context2 = ctxp; 2211d613b6a7SJames Smart 2212d613b6a7SJames Smart wqe = &nvmewqe->wqe; 2213d613b6a7SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 2214d613b6a7SJames Smart 2215d613b6a7SJames Smart /* Words 0 - 2 */ 2216d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2217d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeSize = rspsize; 2218d613b6a7SJames Smart wqe->xmit_sequence.bde.addrLow = le32_to_cpu(putPaddrLow(rspbuf)); 2219d613b6a7SJames Smart wqe->xmit_sequence.bde.addrHigh = le32_to_cpu(putPaddrHigh(rspbuf)); 2220d613b6a7SJames Smart 2221d613b6a7SJames Smart /* Word 3 */ 2222d613b6a7SJames Smart 2223d613b6a7SJames Smart /* Word 4 */ 2224d613b6a7SJames Smart 2225d613b6a7SJames Smart /* Word 5 */ 2226d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); 2227d613b6a7SJames Smart bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); 2228d613b6a7SJames Smart bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); 22298b361639SJames Smart bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); 2230d613b6a7SJames Smart bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); 2231d613b6a7SJames Smart 2232d613b6a7SJames Smart /* Word 6 */ 2233d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, 2234d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2235d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->xmit_sequence.wqe_com, nvmewqe->sli4_xritag); 2236d613b6a7SJames Smart 2237d613b6a7SJames Smart /* Word 7 */ 2238d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, 2239d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2240d613b6a7SJames Smart bf_set(wqe_ct, &wqe->xmit_sequence.wqe_com, SLI4_CT_RPI); 2241d613b6a7SJames Smart bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); 2242d613b6a7SJames Smart bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); 2243d613b6a7SJames Smart 2244d613b6a7SJames Smart /* Word 8 */ 2245d613b6a7SJames Smart wqe->xmit_sequence.wqe_com.abort_tag = nvmewqe->iotag; 2246d613b6a7SJames Smart 2247d613b6a7SJames Smart /* Word 9 */ 2248d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->xmit_sequence.wqe_com, nvmewqe->iotag); 2249d613b6a7SJames Smart /* Needs to be set by caller */ 2250d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ctxp->oxid); 2251d613b6a7SJames Smart 2252d613b6a7SJames Smart /* Word 10 */ 2253d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); 2254d613b6a7SJames Smart bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2255d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, 2256d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2257d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); 2258d613b6a7SJames Smart 2259d613b6a7SJames Smart /* Word 11 */ 2260d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->xmit_sequence.wqe_com, 2261d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2262d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->xmit_sequence.wqe_com, 2263d613b6a7SJames Smart OTHER_COMMAND); 2264d613b6a7SJames Smart 2265d613b6a7SJames Smart /* Word 12 */ 2266d613b6a7SJames Smart wqe->xmit_sequence.xmit_len = rspsize; 2267d613b6a7SJames Smart 2268d613b6a7SJames Smart nvmewqe->retry = 1; 2269d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2270d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2271d613b6a7SJames Smart nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; 2272d613b6a7SJames Smart 2273ce1b591cSJames Smart /* Xmit NVMET response to remote NPORT <did> */ 2274d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 2275ce1b591cSJames Smart "6039 Xmit NVMET LS response to remote " 2276d613b6a7SJames Smart "NPORT x%x iotag:x%x oxid:x%x size:x%x\n", 2277d613b6a7SJames Smart ndlp->nlp_DID, nvmewqe->iotag, ctxp->oxid, 2278d613b6a7SJames Smart rspsize); 2279d613b6a7SJames Smart return nvmewqe; 2280d613b6a7SJames Smart 2281d613b6a7SJames Smart nvme_wqe_free_wqeq_exit: 2282d613b6a7SJames Smart nvmewqe->context2 = NULL; 2283d613b6a7SJames Smart nvmewqe->context3 = NULL; 2284d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, nvmewqe); 2285d613b6a7SJames Smart return NULL; 2286d613b6a7SJames Smart } 2287d613b6a7SJames Smart 2288d613b6a7SJames Smart 2289d613b6a7SJames Smart static struct lpfc_iocbq * 2290d613b6a7SJames Smart lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, 2291d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 2292d613b6a7SJames Smart { 2293d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req; 2294d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2295d613b6a7SJames Smart struct sli4_sge *sgl; 2296d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2297d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2298d613b6a7SJames Smart struct scatterlist *sgel; 2299d613b6a7SJames Smart union lpfc_wqe128 *wqe; 23000bc2b7c5SJames Smart struct ulp_bde64 *bde; 2301d613b6a7SJames Smart uint32_t *txrdy; 2302d613b6a7SJames Smart dma_addr_t physaddr; 2303d613b6a7SJames Smart int i, cnt; 23040bc2b7c5SJames Smart int do_pbde; 2305d613b6a7SJames Smart int xc = 1; 2306d613b6a7SJames Smart 2307d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2308d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2309ce1b591cSJames Smart "6107 NVMET prep FCP wqe: link err:" 2310ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2311ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2312d613b6a7SJames Smart return NULL; 2313d613b6a7SJames Smart } 2314d613b6a7SJames Smart 2315d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2316d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2317d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2318d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2319d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2320ce1b591cSJames Smart "6108 NVMET prep FCP wqe: no ndlp: " 2321ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2322ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2323d613b6a7SJames Smart return NULL; 2324d613b6a7SJames Smart } 2325d613b6a7SJames Smart 232681e6a637SJames Smart if (rsp->sg_cnt > lpfc_tgttemplate.max_sgl_segments) { 2327d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2328ce1b591cSJames Smart "6109 NVMET prep FCP wqe: seg cnt err: " 2329ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d cnt %d\n", 2330ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state, 2331ce1b591cSJames Smart phba->cfg_nvme_seg_cnt); 2332d613b6a7SJames Smart return NULL; 2333d613b6a7SJames Smart } 2334d613b6a7SJames Smart 2335d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2336d613b6a7SJames Smart nvmewqe = ctxp->wqeq; 2337d613b6a7SJames Smart if (nvmewqe == NULL) { 2338d613b6a7SJames Smart /* Allocate buffer for command wqe */ 23396c621a22SJames Smart nvmewqe = ctxp->ctxbuf->iocbq; 2340d613b6a7SJames Smart if (nvmewqe == NULL) { 2341d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2342ce1b591cSJames Smart "6110 NVMET prep FCP wqe: No " 2343ce1b591cSJames Smart "WQE: NPORT x%x oxid x%x ste %d\n", 2344ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2345d613b6a7SJames Smart return NULL; 2346d613b6a7SJames Smart } 2347d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2348d613b6a7SJames Smart xc = 0; /* create new XRI */ 2349d613b6a7SJames Smart nvmewqe->sli4_lxritag = NO_XRI; 2350d613b6a7SJames Smart nvmewqe->sli4_xritag = NO_XRI; 2351d613b6a7SJames Smart } 2352d613b6a7SJames Smart 2353d613b6a7SJames Smart /* Sanity check */ 2354d613b6a7SJames Smart if (((ctxp->state == LPFC_NVMET_STE_RCV) && 2355d613b6a7SJames Smart (ctxp->entry_cnt == 1)) || 2356ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_DATA)) { 2357205e8240SJames Smart wqe = &nvmewqe->wqe; 2358d613b6a7SJames Smart } else { 2359d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2360ce1b591cSJames Smart "6111 Wrong state NVMET FCP: %d cnt %d\n", 2361ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt); 2362d613b6a7SJames Smart return NULL; 2363d613b6a7SJames Smart } 2364d613b6a7SJames Smart 23656c621a22SJames Smart sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; 2366d613b6a7SJames Smart switch (rsp->op) { 2367d613b6a7SJames Smart case NVMET_FCOP_READDATA: 2368d613b6a7SJames Smart case NVMET_FCOP_READDATA_RSP: 2369bd3061baSJames Smart /* From the tsend template, initialize words 7 - 11 */ 2370bd3061baSJames Smart memcpy(&wqe->words[7], 2371bd3061baSJames Smart &lpfc_tsend_cmd_template.words[7], 2372bd3061baSJames Smart sizeof(uint32_t) * 5); 2373bd3061baSJames Smart 2374d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2375d613b6a7SJames Smart sgel = &rsp->sg[0]; 2376d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2377d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2378d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeSize = sg_dma_len(sgel); 2379d613b6a7SJames Smart wqe->fcp_tsend.bde.addrLow = cpu_to_le32(putPaddrLow(physaddr)); 2380d613b6a7SJames Smart wqe->fcp_tsend.bde.addrHigh = 2381d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2382d613b6a7SJames Smart 2383d613b6a7SJames Smart /* Word 3 */ 2384d613b6a7SJames Smart wqe->fcp_tsend.payload_offset_len = 0; 2385d613b6a7SJames Smart 2386d613b6a7SJames Smart /* Word 4 */ 2387d613b6a7SJames Smart wqe->fcp_tsend.relative_offset = ctxp->offset; 2388d613b6a7SJames Smart 2389d613b6a7SJames Smart /* Word 5 */ 2390bd3061baSJames Smart wqe->fcp_tsend.reserved = 0; 2391d613b6a7SJames Smart 2392d613b6a7SJames Smart /* Word 6 */ 2393d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_tsend.wqe_com, 2394d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2395d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_tsend.wqe_com, 2396d613b6a7SJames Smart nvmewqe->sli4_xritag); 2397d613b6a7SJames Smart 2398bd3061baSJames Smart /* Word 7 - set ar later */ 2399d613b6a7SJames Smart 2400d613b6a7SJames Smart /* Word 8 */ 2401d613b6a7SJames Smart wqe->fcp_tsend.wqe_com.abort_tag = nvmewqe->iotag; 2402d613b6a7SJames Smart 2403d613b6a7SJames Smart /* Word 9 */ 2404d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_tsend.wqe_com, nvmewqe->iotag); 2405d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_tsend.wqe_com, ctxp->oxid); 2406d613b6a7SJames Smart 2407bd3061baSJames Smart /* Word 10 - set wqes later, in template xc=1 */ 2408bd3061baSJames Smart if (!xc) 2409bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 0); 2410d613b6a7SJames Smart 2411bd3061baSJames Smart /* Word 11 - set sup, irsp, irsplen later */ 2412bd3061baSJames Smart do_pbde = 0; 2413d613b6a7SJames Smart 2414d613b6a7SJames Smart /* Word 12 */ 2415d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2416d613b6a7SJames Smart 2417d613b6a7SJames Smart /* Setup 2 SKIP SGEs */ 2418d613b6a7SJames Smart sgl->addr_hi = 0; 2419d613b6a7SJames Smart sgl->addr_lo = 0; 2420d613b6a7SJames Smart sgl->word2 = 0; 2421d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2422d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2423d613b6a7SJames Smart sgl->sge_len = 0; 2424d613b6a7SJames Smart sgl++; 2425d613b6a7SJames Smart sgl->addr_hi = 0; 2426d613b6a7SJames Smart sgl->addr_lo = 0; 2427d613b6a7SJames Smart sgl->word2 = 0; 2428d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2429d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2430d613b6a7SJames Smart sgl->sge_len = 0; 2431d613b6a7SJames Smart sgl++; 2432d613b6a7SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 2433d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read_rsp); 2434bd3061baSJames Smart 2435bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2436bd3061baSJames Smart 243720aefac3SJames Smart if (rsp->rsplen == LPFC_NVMET_SUCCESS_LEN) { 243820aefac3SJames Smart if (ndlp->nlp_flag & NLP_SUPPRESS_RSP) 243920aefac3SJames Smart bf_set(wqe_sup, 244020aefac3SJames Smart &wqe->fcp_tsend.wqe_com, 1); 2441d613b6a7SJames Smart } else { 2442d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 1); 2443d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 1); 2444d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 2445d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2446d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, 2447d613b6a7SJames Smart rsp->rsplen); 2448d613b6a7SJames Smart } 2449d613b6a7SJames Smart } else { 2450d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read); 2451d613b6a7SJames Smart 2452bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2453d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 0); 2454d613b6a7SJames Smart } 2455d613b6a7SJames Smart break; 2456d613b6a7SJames Smart 2457d613b6a7SJames Smart case NVMET_FCOP_WRITEDATA: 2458bd3061baSJames Smart /* From the treceive template, initialize words 3 - 11 */ 2459bd3061baSJames Smart memcpy(&wqe->words[3], 2460bd3061baSJames Smart &lpfc_treceive_cmd_template.words[3], 2461bd3061baSJames Smart sizeof(uint32_t) * 9); 2462bd3061baSJames Smart 2463d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2464771db5c0SRomain Perier txrdy = dma_pool_alloc(phba->txrdy_payload_pool, 2465d613b6a7SJames Smart GFP_KERNEL, &physaddr); 2466d613b6a7SJames Smart if (!txrdy) { 2467d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2468d613b6a7SJames Smart "6041 Bad txrdy buffer: oxid x%x\n", 2469d613b6a7SJames Smart ctxp->oxid); 2470d613b6a7SJames Smart return NULL; 2471d613b6a7SJames Smart } 2472d613b6a7SJames Smart ctxp->txrdy = txrdy; 2473d613b6a7SJames Smart ctxp->txrdy_phys = physaddr; 2474d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2475d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN; 2476d613b6a7SJames Smart wqe->fcp_treceive.bde.addrLow = 2477d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2478d613b6a7SJames Smart wqe->fcp_treceive.bde.addrHigh = 2479d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2480d613b6a7SJames Smart 2481d613b6a7SJames Smart /* Word 4 */ 2482d613b6a7SJames Smart wqe->fcp_treceive.relative_offset = ctxp->offset; 2483d613b6a7SJames Smart 2484d613b6a7SJames Smart /* Word 6 */ 2485d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_treceive.wqe_com, 2486d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2487d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_treceive.wqe_com, 2488d613b6a7SJames Smart nvmewqe->sli4_xritag); 2489d613b6a7SJames Smart 2490d613b6a7SJames Smart /* Word 7 */ 2491d613b6a7SJames Smart 2492d613b6a7SJames Smart /* Word 8 */ 2493d613b6a7SJames Smart wqe->fcp_treceive.wqe_com.abort_tag = nvmewqe->iotag; 2494d613b6a7SJames Smart 2495d613b6a7SJames Smart /* Word 9 */ 2496d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_treceive.wqe_com, nvmewqe->iotag); 2497d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_treceive.wqe_com, ctxp->oxid); 2498d613b6a7SJames Smart 2499bd3061baSJames Smart /* Word 10 - in template xc=1 */ 2500bd3061baSJames Smart if (!xc) 2501bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_treceive.wqe_com, 0); 2502d613b6a7SJames Smart 2503bd3061baSJames Smart /* Word 11 - set pbde later */ 2504414abe0aSJames Smart if (phba->cfg_enable_pbde) { 2505bd3061baSJames Smart do_pbde = 1; 2506bd3061baSJames Smart } else { 2507bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 0); 2508bd3061baSJames Smart do_pbde = 0; 2509bd3061baSJames Smart } 2510d613b6a7SJames Smart 2511d613b6a7SJames Smart /* Word 12 */ 2512d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2513d613b6a7SJames Smart 2514d613b6a7SJames Smart /* Setup 1 TXRDY and 1 SKIP SGE */ 2515d613b6a7SJames Smart txrdy[0] = 0; 2516d613b6a7SJames Smart txrdy[1] = cpu_to_be32(rsp->transfer_length); 2517d613b6a7SJames Smart txrdy[2] = 0; 2518d613b6a7SJames Smart 2519d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2520d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2521d613b6a7SJames Smart sgl->word2 = 0; 2522d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2523d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2524d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN); 2525d613b6a7SJames Smart sgl++; 2526d613b6a7SJames Smart sgl->addr_hi = 0; 2527d613b6a7SJames Smart sgl->addr_lo = 0; 2528d613b6a7SJames Smart sgl->word2 = 0; 2529d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2530d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2531d613b6a7SJames Smart sgl->sge_len = 0; 2532d613b6a7SJames Smart sgl++; 2533d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_write); 2534d613b6a7SJames Smart break; 2535d613b6a7SJames Smart 2536d613b6a7SJames Smart case NVMET_FCOP_RSP: 2537bd3061baSJames Smart /* From the treceive template, initialize words 4 - 11 */ 2538bd3061baSJames Smart memcpy(&wqe->words[4], 2539bd3061baSJames Smart &lpfc_trsp_cmd_template.words[4], 2540bd3061baSJames Smart sizeof(uint32_t) * 8); 2541bd3061baSJames Smart 2542d613b6a7SJames Smart /* Words 0 - 2 */ 2543d613b6a7SJames Smart physaddr = rsp->rspdma; 2544d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2545d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; 2546d613b6a7SJames Smart wqe->fcp_trsp.bde.addrLow = 2547d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2548d613b6a7SJames Smart wqe->fcp_trsp.bde.addrHigh = 2549d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2550d613b6a7SJames Smart 2551d613b6a7SJames Smart /* Word 3 */ 2552d613b6a7SJames Smart wqe->fcp_trsp.response_len = rsp->rsplen; 2553d613b6a7SJames Smart 2554d613b6a7SJames Smart /* Word 6 */ 2555d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_trsp.wqe_com, 2556d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2557d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_trsp.wqe_com, 2558d613b6a7SJames Smart nvmewqe->sli4_xritag); 2559d613b6a7SJames Smart 2560d613b6a7SJames Smart /* Word 7 */ 2561d613b6a7SJames Smart 2562d613b6a7SJames Smart /* Word 8 */ 2563d613b6a7SJames Smart wqe->fcp_trsp.wqe_com.abort_tag = nvmewqe->iotag; 2564d613b6a7SJames Smart 2565d613b6a7SJames Smart /* Word 9 */ 2566d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_trsp.wqe_com, nvmewqe->iotag); 2567d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_trsp.wqe_com, ctxp->oxid); 2568d613b6a7SJames Smart 2569d613b6a7SJames Smart /* Word 10 */ 2570bd3061baSJames Smart if (xc) 2571bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 1); 2572d613b6a7SJames Smart 2573d613b6a7SJames Smart /* Word 11 */ 2574bd3061baSJames Smart /* In template wqes=0 irsp=0 irsplen=0 - good response */ 2575bd3061baSJames Smart if (rsp->rsplen != LPFC_NVMET_SUCCESS_LEN) { 2576bd3061baSJames Smart /* Bad response - embed it */ 2577d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 1); 2578d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 1); 2579d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 2580d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2581d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, rsp->rsplen); 2582d613b6a7SJames Smart } 2583bd3061baSJames Smart do_pbde = 0; 2584bd3061baSJames Smart 2585bd3061baSJames Smart /* Word 12 */ 2586bd3061baSJames Smart wqe->fcp_trsp.rsvd_12_15[0] = 0; 2587d613b6a7SJames Smart 2588d613b6a7SJames Smart /* Use rspbuf, NOT sg list */ 2589d613b6a7SJames Smart rsp->sg_cnt = 0; 2590d613b6a7SJames Smart sgl->word2 = 0; 2591d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp); 2592d613b6a7SJames Smart break; 2593d613b6a7SJames Smart 2594d613b6a7SJames Smart default: 2595d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 2596d613b6a7SJames Smart "6064 Unknown Rsp Op %d\n", 2597d613b6a7SJames Smart rsp->op); 2598d613b6a7SJames Smart return NULL; 2599d613b6a7SJames Smart } 2600d613b6a7SJames Smart 2601d613b6a7SJames Smart nvmewqe->retry = 1; 2602d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2603d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2604d613b6a7SJames Smart nvmewqe->context1 = ndlp; 2605d613b6a7SJames Smart 2606d613b6a7SJames Smart for (i = 0; i < rsp->sg_cnt; i++) { 2607d613b6a7SJames Smart sgel = &rsp->sg[i]; 2608d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2609d613b6a7SJames Smart cnt = sg_dma_len(sgel); 2610d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2611d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2612d613b6a7SJames Smart sgl->word2 = 0; 2613d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2614d613b6a7SJames Smart bf_set(lpfc_sli4_sge_offset, sgl, ctxp->offset); 2615d613b6a7SJames Smart if ((i+1) == rsp->sg_cnt) 2616d613b6a7SJames Smart bf_set(lpfc_sli4_sge_last, sgl, 1); 2617d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2618d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(cnt); 2619414abe0aSJames Smart if (i == 0) { 26200bc2b7c5SJames Smart bde = (struct ulp_bde64 *)&wqe->words[13]; 2621414abe0aSJames Smart if (do_pbde) { 26220bc2b7c5SJames Smart /* Words 13-15 (PBDE) */ 26230bc2b7c5SJames Smart bde->addrLow = sgl->addr_lo; 26240bc2b7c5SJames Smart bde->addrHigh = sgl->addr_hi; 26250bc2b7c5SJames Smart bde->tus.f.bdeSize = 26260bc2b7c5SJames Smart le32_to_cpu(sgl->sge_len); 26270bc2b7c5SJames Smart bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; 26280bc2b7c5SJames Smart bde->tus.w = cpu_to_le32(bde->tus.w); 2629414abe0aSJames Smart } else { 2630414abe0aSJames Smart memset(bde, 0, sizeof(struct ulp_bde64)); 2631414abe0aSJames Smart } 26320bc2b7c5SJames Smart } 2633d613b6a7SJames Smart sgl++; 2634d613b6a7SJames Smart ctxp->offset += cnt; 2635d613b6a7SJames Smart } 2636ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_DATA; 2637ce1b591cSJames Smart ctxp->entry_cnt++; 2638d613b6a7SJames Smart return nvmewqe; 2639d613b6a7SJames Smart } 2640d613b6a7SJames Smart 2641d613b6a7SJames Smart /** 2642d613b6a7SJames Smart * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS 2643d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2644d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2645d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2646d613b6a7SJames Smart * 2647d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2648d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2649d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2650d613b6a7SJames Smart **/ 2651d613b6a7SJames Smart static void 2652d613b6a7SJames Smart lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2653d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2654d613b6a7SJames Smart { 2655d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2656d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2657d613b6a7SJames Smart uint32_t status, result; 265819b58d94SJames Smart unsigned long flags; 265919b58d94SJames Smart bool released = false; 2660d613b6a7SJames Smart 2661d613b6a7SJames Smart ctxp = cmdwqe->context2; 2662d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2663d613b6a7SJames Smart result = wcqe->parameter; 2664d613b6a7SJames Smart 2665d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2666547077a4SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 2667547077a4SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 2668d613b6a7SJames Smart 2669d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 267086c67379SJames Smart 267186c67379SJames Smart /* Check if we already received a free context call 267286c67379SJames Smart * and we have completed processing an abort situation. 267386c67379SJames Smart */ 267419b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 267586c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 267686c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 267786c67379SJames Smart list_del(&ctxp->list); 267819b58d94SJames Smart released = true; 267986c67379SJames Smart } 268019b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 268119b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2682547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 268319b58d94SJames Smart 2684e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 268586c67379SJames Smart "6165 ABORT cmpl: xri x%x flg x%x (%d) " 268686c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 268786c67379SJames Smart ctxp->oxid, ctxp->flag, released, 268886c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 268986c67379SJames Smart result, wcqe->word3); 269086c67379SJames Smart 26916c621a22SJames Smart cmdwqe->context2 = NULL; 26926c621a22SJames Smart cmdwqe->context3 = NULL; 269319b58d94SJames Smart /* 269419b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 269519b58d94SJames Smart * will be recycled by transport release call. 269619b58d94SJames Smart */ 269719b58d94SJames Smart if (released) 26986c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 2699d613b6a7SJames Smart 27006c621a22SJames Smart /* This is the iocbq for the abort, not the command */ 2701d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 270286c67379SJames Smart 270386c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 270486c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 270586c67379SJames Smart * should have been called already. 270686c67379SJames Smart */ 2707d613b6a7SJames Smart } 2708d613b6a7SJames Smart 2709d613b6a7SJames Smart /** 271086c67379SJames Smart * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS 2711d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2712d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2713d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2714d613b6a7SJames Smart * 2715d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2716d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2717d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2718d613b6a7SJames Smart **/ 2719d613b6a7SJames Smart static void 272086c67379SJames Smart lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2721d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2722d613b6a7SJames Smart { 2723d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2724d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 272519b58d94SJames Smart unsigned long flags; 2726d613b6a7SJames Smart uint32_t status, result; 272719b58d94SJames Smart bool released = false; 2728d613b6a7SJames Smart 2729d613b6a7SJames Smart ctxp = cmdwqe->context2; 2730d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2731d613b6a7SJames Smart result = wcqe->parameter; 2732d613b6a7SJames Smart 273386c67379SJames Smart if (!ctxp) { 273486c67379SJames Smart /* if context is clear, related io alrady complete */ 2735d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 273686c67379SJames Smart "6070 ABTS cmpl: WCQE: %08x %08x %08x %08x\n", 273786c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 2738d613b6a7SJames Smart result, wcqe->word3); 273986c67379SJames Smart return; 274086c67379SJames Smart } 2741d613b6a7SJames Smart 274278e1d200SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 274378e1d200SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 274478e1d200SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 274578e1d200SJames Smart 2746d613b6a7SJames Smart /* Sanity check */ 2747d613b6a7SJames Smart if (ctxp->state != LPFC_NVMET_STE_ABORT) { 2748d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 274986c67379SJames Smart "6112 ABTS Wrong state:%d oxid x%x\n", 2750d613b6a7SJames Smart ctxp->state, ctxp->oxid); 2751d613b6a7SJames Smart } 275286c67379SJames Smart 275386c67379SJames Smart /* Check if we already received a free context call 275486c67379SJames Smart * and we have completed processing an abort situation. 275586c67379SJames Smart */ 2756d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 275719b58d94SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 275886c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 275986c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 276086c67379SJames Smart list_del(&ctxp->list); 276119b58d94SJames Smart released = true; 276286c67379SJames Smart } 276319b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 276419b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2765547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 276619b58d94SJames Smart 276786c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 276886c67379SJames Smart "6316 ABTS cmpl xri x%x flg x%x (%x) " 276986c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 277086c67379SJames Smart ctxp->oxid, ctxp->flag, released, 277186c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 277286c67379SJames Smart result, wcqe->word3); 27736c621a22SJames Smart 27746c621a22SJames Smart cmdwqe->context2 = NULL; 27756c621a22SJames Smart cmdwqe->context3 = NULL; 277619b58d94SJames Smart /* 277719b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 277819b58d94SJames Smart * will be recycled by transport release call. 277919b58d94SJames Smart */ 278019b58d94SJames Smart if (released) 27816c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 278286c67379SJames Smart 278386c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 278486c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 278586c67379SJames Smart * should have been called already. 278686c67379SJames Smart */ 2787d613b6a7SJames Smart } 2788d613b6a7SJames Smart 2789d613b6a7SJames Smart /** 2790d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS 2791d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2792d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2793d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2794d613b6a7SJames Smart * 2795d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2796d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for LS cmds 2797d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2798d613b6a7SJames Smart **/ 2799d613b6a7SJames Smart static void 2800d613b6a7SJames Smart lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2801d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2802d613b6a7SJames Smart { 2803d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2804d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2805d613b6a7SJames Smart uint32_t status, result; 2806d613b6a7SJames Smart 2807d613b6a7SJames Smart ctxp = cmdwqe->context2; 2808d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 2809d613b6a7SJames Smart result = wcqe->parameter; 2810d613b6a7SJames Smart 2811d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2812547077a4SJames Smart atomic_inc(&tgtp->xmt_ls_abort_cmpl); 2813d613b6a7SJames Smart 2814d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2815d613b6a7SJames Smart "6083 Abort cmpl: ctx %p WCQE:%08x %08x %08x %08x\n", 2816d613b6a7SJames Smart ctxp, wcqe->word0, wcqe->total_data_placed, 2817d613b6a7SJames Smart result, wcqe->word3); 2818d613b6a7SJames Smart 2819ce1b591cSJames Smart if (!ctxp) { 2820ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2821ce1b591cSJames Smart "6415 NVMET LS Abort No ctx: WCQE: " 2822ce1b591cSJames Smart "%08x %08x %08x %08x\n", 2823ce1b591cSJames Smart wcqe->word0, wcqe->total_data_placed, 2824ce1b591cSJames Smart result, wcqe->word3); 2825ce1b591cSJames Smart 2826ce1b591cSJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2827ce1b591cSJames Smart return; 2828ce1b591cSJames Smart } 2829ce1b591cSJames Smart 2830ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) { 2831ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2832ce1b591cSJames Smart "6416 NVMET LS abort cmpl state mismatch: " 2833ce1b591cSJames Smart "oxid x%x: %d %d\n", 2834ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 2835ce1b591cSJames Smart } 2836ce1b591cSJames Smart 2837d613b6a7SJames Smart cmdwqe->context2 = NULL; 2838d613b6a7SJames Smart cmdwqe->context3 = NULL; 2839d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 2840d613b6a7SJames Smart kfree(ctxp); 2841d613b6a7SJames Smart } 2842d613b6a7SJames Smart 2843d613b6a7SJames Smart static int 2844d613b6a7SJames Smart lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, 2845d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2846d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2847d613b6a7SJames Smart { 2848d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2849d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2850205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 2851d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2852d613b6a7SJames Smart 2853d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 285486c67379SJames Smart "6067 ABTS: sid %x xri x%x/x%x\n", 2855318083adSJames Smart sid, xri, ctxp->wqeq->sli4_xritag); 2856d613b6a7SJames Smart 2857d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2858d613b6a7SJames Smart 2859d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2860d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2861d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2862d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2863d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2864ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 2865d613b6a7SJames Smart "6134 Drop ABTS - wrong NDLP state x%x.\n", 2866b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2867d613b6a7SJames Smart 2868d613b6a7SJames Smart /* No failure to an ABTS request. */ 2869d613b6a7SJames Smart return 0; 2870d613b6a7SJames Smart } 2871d613b6a7SJames Smart 2872d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 2873d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 2874d613b6a7SJames Smart 2875d613b6a7SJames Smart /* 2876d613b6a7SJames Smart * Since we zero the whole WQE, we need to ensure we set the WQE fields 2877d613b6a7SJames Smart * that were initialized in lpfc_sli4_nvmet_alloc. 2878d613b6a7SJames Smart */ 2879d613b6a7SJames Smart memset(wqe_abts, 0, sizeof(union lpfc_wqe)); 2880d613b6a7SJames Smart 2881d613b6a7SJames Smart /* Word 5 */ 2882d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe_abts->xmit_sequence.wge_ctl, 0); 2883d613b6a7SJames Smart bf_set(wqe_ls, &wqe_abts->xmit_sequence.wge_ctl, 1); 2884d613b6a7SJames Smart bf_set(wqe_la, &wqe_abts->xmit_sequence.wge_ctl, 0); 2885d613b6a7SJames Smart bf_set(wqe_rctl, &wqe_abts->xmit_sequence.wge_ctl, FC_RCTL_BA_ABTS); 2886d613b6a7SJames Smart bf_set(wqe_type, &wqe_abts->xmit_sequence.wge_ctl, FC_TYPE_BLS); 2887d613b6a7SJames Smart 2888d613b6a7SJames Smart /* Word 6 */ 2889d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe_abts->xmit_sequence.wqe_com, 2890d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2891d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe_abts->xmit_sequence.wqe_com, 2892d613b6a7SJames Smart abts_wqeq->sli4_xritag); 2893d613b6a7SJames Smart 2894d613b6a7SJames Smart /* Word 7 */ 2895d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe_abts->xmit_sequence.wqe_com, 2896d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2897d613b6a7SJames Smart bf_set(wqe_ct, &wqe_abts->xmit_sequence.wqe_com, SLI4_CT_RPI); 2898d613b6a7SJames Smart bf_set(wqe_class, &wqe_abts->xmit_sequence.wqe_com, CLASS3); 2899d613b6a7SJames Smart bf_set(wqe_pu, &wqe_abts->xmit_sequence.wqe_com, 0); 2900d613b6a7SJames Smart 2901d613b6a7SJames Smart /* Word 8 */ 2902d613b6a7SJames Smart wqe_abts->xmit_sequence.wqe_com.abort_tag = abts_wqeq->iotag; 2903d613b6a7SJames Smart 2904d613b6a7SJames Smart /* Word 9 */ 2905d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe_abts->xmit_sequence.wqe_com, abts_wqeq->iotag); 2906d613b6a7SJames Smart /* Needs to be set by caller */ 2907d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe_abts->xmit_sequence.wqe_com, xri); 2908d613b6a7SJames Smart 2909d613b6a7SJames Smart /* Word 10 */ 2910d613b6a7SJames Smart bf_set(wqe_dbde, &wqe_abts->xmit_sequence.wqe_com, 1); 2911d613b6a7SJames Smart bf_set(wqe_iod, &wqe_abts->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2912d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe_abts->xmit_sequence.wqe_com, 2913d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2914d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe_abts->xmit_sequence.wqe_com, 0); 2915d613b6a7SJames Smart bf_set(wqe_qosd, &wqe_abts->xmit_sequence.wqe_com, 0); 2916d613b6a7SJames Smart 2917d613b6a7SJames Smart /* Word 11 */ 2918d613b6a7SJames Smart bf_set(wqe_cqid, &wqe_abts->xmit_sequence.wqe_com, 2919d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2920d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe_abts->xmit_sequence.wqe_com, 2921d613b6a7SJames Smart OTHER_COMMAND); 2922d613b6a7SJames Smart 2923d613b6a7SJames Smart abts_wqeq->vport = phba->pport; 2924d613b6a7SJames Smart abts_wqeq->context1 = ndlp; 2925d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 2926d613b6a7SJames Smart abts_wqeq->context3 = NULL; 2927d613b6a7SJames Smart abts_wqeq->rsvd2 = 0; 2928d613b6a7SJames Smart /* hba_wqidx should already be setup from command we are aborting */ 2929d613b6a7SJames Smart abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; 2930d613b6a7SJames Smart abts_wqeq->iocb.ulpLe = 1; 2931d613b6a7SJames Smart 2932d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 2933d613b6a7SJames Smart "6069 Issue ABTS to xri x%x reqtag x%x\n", 2934d613b6a7SJames Smart xri, abts_wqeq->iotag); 2935d613b6a7SJames Smart return 1; 2936d613b6a7SJames Smart } 2937d613b6a7SJames Smart 2938d613b6a7SJames Smart static int 2939d613b6a7SJames Smart lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, 2940d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2941d613b6a7SJames Smart uint32_t sid, uint16_t xri) 2942d613b6a7SJames Smart { 2943d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2944d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 2945205e8240SJames Smart union lpfc_wqe128 *abts_wqe; 2946d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2947d613b6a7SJames Smart unsigned long flags; 2948d613b6a7SJames Smart int rc; 2949d613b6a7SJames Smart 2950d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2951d613b6a7SJames Smart if (!ctxp->wqeq) { 29526c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 2953d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 2954d613b6a7SJames Smart } 2955d613b6a7SJames Smart 2956d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 2957d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2958d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2959d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2960d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2961ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 296286c67379SJames Smart "6160 Drop ABORT - wrong NDLP state x%x.\n", 2963b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 2964d613b6a7SJames Smart 2965d613b6a7SJames Smart /* No failure to an ABTS request. */ 296686c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2967d613b6a7SJames Smart return 0; 2968d613b6a7SJames Smart } 2969d613b6a7SJames Smart 2970d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 2971d613b6a7SJames Smart ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); 2972d613b6a7SJames Smart if (!ctxp->abort_wqeq) { 2973547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2974ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 297586c67379SJames Smart "6161 ABORT failed: No wqeqs: " 2976d613b6a7SJames Smart "xri: x%x\n", ctxp->oxid); 2977d613b6a7SJames Smart /* No failure to an ABTS request. */ 297886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 2979d613b6a7SJames Smart return 0; 2980d613b6a7SJames Smart } 2981d613b6a7SJames Smart abts_wqeq = ctxp->abort_wqeq; 2982d613b6a7SJames Smart abts_wqe = &abts_wqeq->wqe; 2983d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 2984d613b6a7SJames Smart 2985d613b6a7SJames Smart /* Announce entry to new IO submit field. */ 298686c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 298786c67379SJames Smart "6162 ABORT Request to rport DID x%06x " 2988d613b6a7SJames Smart "for xri x%x x%x\n", 2989d613b6a7SJames Smart ctxp->sid, ctxp->oxid, ctxp->wqeq->sli4_xritag); 2990d613b6a7SJames Smart 2991d613b6a7SJames Smart /* If the hba is getting reset, this flag is set. It is 2992d613b6a7SJames Smart * cleared when the reset is complete and rings reestablished. 2993d613b6a7SJames Smart */ 2994d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 2995d613b6a7SJames Smart /* driver queued commands are in process of being flushed */ 2996d613b6a7SJames Smart if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) { 2997d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 2998547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 2999d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3000d613b6a7SJames Smart "6163 Driver in reset cleanup - flushing " 3001d613b6a7SJames Smart "NVME Req now. hba_flag x%x oxid x%x\n", 3002d613b6a7SJames Smart phba->hba_flag, ctxp->oxid); 3003d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 300486c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3005d613b6a7SJames Smart return 0; 3006d613b6a7SJames Smart } 3007d613b6a7SJames Smart 3008d613b6a7SJames Smart /* Outstanding abort is in progress */ 3009d613b6a7SJames Smart if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { 3010d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3011547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3012d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3013d613b6a7SJames Smart "6164 Outstanding NVME I/O Abort Request " 3014d613b6a7SJames Smart "still pending on oxid x%x\n", 3015d613b6a7SJames Smart ctxp->oxid); 3016d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 301786c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3018d613b6a7SJames Smart return 0; 3019d613b6a7SJames Smart } 3020d613b6a7SJames Smart 3021d613b6a7SJames Smart /* Ready - mark outstanding as aborted by driver. */ 3022d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; 3023d613b6a7SJames Smart 3024d613b6a7SJames Smart /* WQEs are reused. Clear stale data and set key fields to 3025d613b6a7SJames Smart * zero like ia, iaab, iaar, xri_tag, and ctxt_tag. 3026d613b6a7SJames Smart */ 3027d613b6a7SJames Smart memset(abts_wqe, 0, sizeof(union lpfc_wqe)); 3028d613b6a7SJames Smart 3029d613b6a7SJames Smart /* word 3 */ 3030d613b6a7SJames Smart bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); 3031d613b6a7SJames Smart 3032d613b6a7SJames Smart /* word 7 */ 3033d613b6a7SJames Smart bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); 3034d613b6a7SJames Smart bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); 3035d613b6a7SJames Smart 3036d613b6a7SJames Smart /* word 8 - tell the FW to abort the IO associated with this 3037d613b6a7SJames Smart * outstanding exchange ID. 3038d613b6a7SJames Smart */ 3039d613b6a7SJames Smart abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag; 3040d613b6a7SJames Smart 3041d613b6a7SJames Smart /* word 9 - this is the iotag for the abts_wqe completion. */ 3042d613b6a7SJames Smart bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, 3043d613b6a7SJames Smart abts_wqeq->iotag); 3044d613b6a7SJames Smart 3045d613b6a7SJames Smart /* word 10 */ 3046d613b6a7SJames Smart bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); 3047d613b6a7SJames Smart bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); 3048d613b6a7SJames Smart 3049d613b6a7SJames Smart /* word 11 */ 3050d613b6a7SJames Smart bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); 3051d613b6a7SJames Smart bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); 3052d613b6a7SJames Smart bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 3053d613b6a7SJames Smart 3054d613b6a7SJames Smart /* ABTS WQE must go to the same WQ as the WQE to be aborted */ 3055d613b6a7SJames Smart abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; 3056d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; 3057d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3058d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME; 3059d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 30604550f9c7SJames Smart abts_wqeq->vport = phba->pport; 3061d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); 3062d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3063547077a4SJames Smart if (rc == WQE_SUCCESS) { 3064547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_sol); 3065d613b6a7SJames Smart return 0; 3066547077a4SJames Smart } 3067d613b6a7SJames Smart 3068547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 306986c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3070d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 307186c67379SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 307286c67379SJames Smart "6166 Failed ABORT issue_wqe with status x%x " 3073d613b6a7SJames Smart "for oxid x%x.\n", 3074d613b6a7SJames Smart rc, ctxp->oxid); 3075d613b6a7SJames Smart return 1; 3076d613b6a7SJames Smart } 3077d613b6a7SJames Smart 3078d613b6a7SJames Smart 3079d613b6a7SJames Smart static int 3080d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, 3081d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3082d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3083d613b6a7SJames Smart { 3084d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3085d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3086d613b6a7SJames Smart unsigned long flags; 3087d613b6a7SJames Smart int rc; 3088d613b6a7SJames Smart 3089d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3090d613b6a7SJames Smart if (!ctxp->wqeq) { 30916c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 3092d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 3093d613b6a7SJames Smart } 3094d613b6a7SJames Smart 3095ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 3096ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3097ce1b591cSJames Smart "6417 NVMET ABORT ctx freed %d %d oxid x%x\n", 3098ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 3099ce1b591cSJames Smart rc = WQE_BUSY; 3100ce1b591cSJames Smart goto aerr; 3101ce1b591cSJames Smart } 3102ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3103ce1b591cSJames Smart ctxp->entry_cnt++; 3104d613b6a7SJames Smart rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); 3105d613b6a7SJames Smart if (rc == 0) 3106d613b6a7SJames Smart goto aerr; 3107d613b6a7SJames Smart 3108d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3109d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 311086c67379SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; 311186c67379SJames Smart abts_wqeq->iocb_cmpl = NULL; 3112d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVMET; 3113d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); 3114d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3115d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3116d613b6a7SJames Smart return 0; 3117d613b6a7SJames Smart } 3118d613b6a7SJames Smart 3119d613b6a7SJames Smart aerr: 312068c9b55dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 312168c9b55dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) 312268c9b55dSJames Smart list_del(&ctxp->list); 312368c9b55dSJames Smart ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS); 312468c9b55dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 312568c9b55dSJames Smart 3126d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3127ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3128d613b6a7SJames Smart "6135 Failed to Issue ABTS for oxid x%x. Status x%x\n", 3129d613b6a7SJames Smart ctxp->oxid, rc); 313068c9b55dSJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 3131d613b6a7SJames Smart return 1; 3132d613b6a7SJames Smart } 3133d613b6a7SJames Smart 3134d613b6a7SJames Smart static int 3135d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, 3136d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3137d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3138d613b6a7SJames Smart { 3139d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3140d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3141205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 3142d613b6a7SJames Smart unsigned long flags; 3143d613b6a7SJames Smart int rc; 3144d613b6a7SJames Smart 3145ce1b591cSJames Smart if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) || 3146ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) { 3147ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3148ce1b591cSJames Smart ctxp->entry_cnt++; 3149ce1b591cSJames Smart } else { 3150ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3151ce1b591cSJames Smart "6418 NVMET LS abort state mismatch " 3152ce1b591cSJames Smart "IO x%x: %d %d\n", 3153ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 3154ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3155ce1b591cSJames Smart } 3156ce1b591cSJames Smart 3157d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3158d613b6a7SJames Smart if (!ctxp->wqeq) { 3159d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3160d613b6a7SJames Smart ctxp->wqeq = lpfc_sli_get_iocbq(phba); 3161d613b6a7SJames Smart if (!ctxp->wqeq) { 3162ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3163d613b6a7SJames Smart "6068 Abort failed: No wqeqs: " 3164d613b6a7SJames Smart "xri: x%x\n", xri); 3165d613b6a7SJames Smart /* No failure to an ABTS request. */ 3166d613b6a7SJames Smart kfree(ctxp); 3167d613b6a7SJames Smart return 0; 3168d613b6a7SJames Smart } 3169d613b6a7SJames Smart } 3170d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 3171d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 31726c621a22SJames Smart 3173ce1b591cSJames Smart if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) { 3174ce1b591cSJames Smart rc = WQE_BUSY; 3175ce1b591cSJames Smart goto out; 3176ce1b591cSJames Smart } 3177d613b6a7SJames Smart 3178d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3179d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; 3180d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3181d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; 3182d613b6a7SJames Smart rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, abts_wqeq); 3183d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3184d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3185547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_unsol); 3186d613b6a7SJames Smart return 0; 3187d613b6a7SJames Smart } 3188ce1b591cSJames Smart out: 3189d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3190d613b6a7SJames Smart abts_wqeq->context2 = NULL; 3191d613b6a7SJames Smart abts_wqeq->context3 = NULL; 3192d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3193d613b6a7SJames Smart kfree(ctxp); 3194ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3195d613b6a7SJames Smart "6056 Failed to Issue ABTS. Status x%x\n", rc); 3196d613b6a7SJames Smart return 0; 3197d613b6a7SJames Smart } 3198