1d613b6a7SJames Smart /******************************************************************* 2d613b6a7SJames Smart * This file is part of the Emulex Linux Device Driver for * 3d613b6a7SJames Smart * Fibre Channsel Host Bus Adapters. * 40d041215SJames Smart * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * 54ae2ebdeSJames Smart * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6d613b6a7SJames Smart * Copyright (C) 2004-2016 Emulex. All rights reserved. * 7d613b6a7SJames Smart * EMULEX and SLI are trademarks of Emulex. * 8d080abe0SJames Smart * www.broadcom.com * 9d613b6a7SJames Smart * Portions Copyright (C) 2004-2005 Christoph Hellwig * 10d613b6a7SJames Smart * * 11d613b6a7SJames Smart * This program is free software; you can redistribute it and/or * 12d613b6a7SJames Smart * modify it under the terms of version 2 of the GNU General * 13d613b6a7SJames Smart * Public License as published by the Free Software Foundation. * 14d613b6a7SJames Smart * This program is distributed in the hope that it will be useful. * 15d613b6a7SJames Smart * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 16d613b6a7SJames Smart * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 17d613b6a7SJames Smart * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 18d613b6a7SJames Smart * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 19d613b6a7SJames Smart * TO BE LEGALLY INVALID. See the GNU General Public License for * 20d613b6a7SJames Smart * more details, a copy of which can be found in the file COPYING * 21d613b6a7SJames Smart * included with this package. * 22d613b6a7SJames Smart ********************************************************************/ 23d613b6a7SJames Smart #include <linux/pci.h> 24d613b6a7SJames Smart #include <linux/slab.h> 25d613b6a7SJames Smart #include <linux/interrupt.h> 26d613b6a7SJames Smart #include <linux/delay.h> 27d613b6a7SJames Smart #include <asm/unaligned.h> 28d613b6a7SJames Smart #include <linux/crc-t10dif.h> 29d613b6a7SJames Smart #include <net/checksum.h> 30d613b6a7SJames Smart 31d613b6a7SJames Smart #include <scsi/scsi.h> 32d613b6a7SJames Smart #include <scsi/scsi_device.h> 33d613b6a7SJames Smart #include <scsi/scsi_eh.h> 34d613b6a7SJames Smart #include <scsi/scsi_host.h> 35d613b6a7SJames Smart #include <scsi/scsi_tcq.h> 36d613b6a7SJames Smart #include <scsi/scsi_transport_fc.h> 37d613b6a7SJames Smart #include <scsi/fc/fc_fs.h> 38d613b6a7SJames Smart 398d731d1aSJames Smart #include <linux/nvme.h> 40d613b6a7SJames Smart #include <linux/nvme-fc-driver.h> 41cbc5de1bSJames Smart #include <linux/nvme-fc.h> 42d613b6a7SJames Smart 43d613b6a7SJames Smart #include "lpfc_version.h" 44d613b6a7SJames Smart #include "lpfc_hw4.h" 45d613b6a7SJames Smart #include "lpfc_hw.h" 46d613b6a7SJames Smart #include "lpfc_sli.h" 47d613b6a7SJames Smart #include "lpfc_sli4.h" 48d613b6a7SJames Smart #include "lpfc_nl.h" 49d613b6a7SJames Smart #include "lpfc_disc.h" 50d613b6a7SJames Smart #include "lpfc.h" 51d613b6a7SJames Smart #include "lpfc_scsi.h" 52d613b6a7SJames Smart #include "lpfc_nvme.h" 53d613b6a7SJames Smart #include "lpfc_nvmet.h" 54d613b6a7SJames Smart #include "lpfc_logmsg.h" 55d613b6a7SJames Smart #include "lpfc_crtn.h" 56d613b6a7SJames Smart #include "lpfc_vport.h" 572b65e182SJames Smart #include "lpfc_debugfs.h" 58d613b6a7SJames Smart 59d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *, 60d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 61d613b6a7SJames Smart dma_addr_t rspbuf, 62d613b6a7SJames Smart uint16_t rspsize); 63d613b6a7SJames Smart static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *, 64d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *); 65d613b6a7SJames Smart static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *, 66d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 67d613b6a7SJames Smart uint32_t, uint16_t); 68d613b6a7SJames Smart static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *, 69d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 70d613b6a7SJames Smart uint32_t, uint16_t); 71d613b6a7SJames Smart static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *, 72d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *, 73d613b6a7SJames Smart uint32_t, uint16_t); 746e8e1c14SJames Smart static void lpfc_nvmet_wqfull_flush(struct lpfc_hba *, struct lpfc_queue *, 756e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *); 76472e146dSJames Smart static void lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *); 77472e146dSJames Smart 78472e146dSJames Smart static void lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf); 79d613b6a7SJames Smart 80fab2e466SColin Ian King static union lpfc_wqe128 lpfc_tsend_cmd_template; 81fab2e466SColin Ian King static union lpfc_wqe128 lpfc_treceive_cmd_template; 82fab2e466SColin Ian King static union lpfc_wqe128 lpfc_trsp_cmd_template; 83bd3061baSJames Smart 84bd3061baSJames Smart /* Setup WQE templates for NVME IOs */ 85bd3061baSJames Smart void 86fab2e466SColin Ian King lpfc_nvmet_cmd_template(void) 87bd3061baSJames Smart { 88bd3061baSJames Smart union lpfc_wqe128 *wqe; 89bd3061baSJames Smart 90bd3061baSJames Smart /* TSEND template */ 91bd3061baSJames Smart wqe = &lpfc_tsend_cmd_template; 92bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 93bd3061baSJames Smart 94bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 95bd3061baSJames Smart 96bd3061baSJames Smart /* Word 3 - payload_offset_len is zero */ 97bd3061baSJames Smart 98bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 99bd3061baSJames Smart 100bd3061baSJames Smart /* Word 5 - is zero */ 101bd3061baSJames Smart 102bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 103bd3061baSJames Smart 104bd3061baSJames Smart /* Word 7 - wqe_ar is variable */ 105bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_tsend.wqe_com, CMD_FCP_TSEND64_WQE); 106bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_tsend.wqe_com, PARM_REL_OFF); 107bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_tsend.wqe_com, CLASS3); 108bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_tsend.wqe_com, SLI4_CT_RPI); 109bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 1); 110bd3061baSJames Smart 111bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 112bd3061baSJames Smart 113bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 114bd3061baSJames Smart 115bd3061baSJames Smart /* Word 10 - wqes, xc is variable */ 116bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); 117bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_tsend.wqe_com, 1); 118bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 0); 119bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 120bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_tsend.wqe_com, LPFC_WQE_IOD_WRITE); 121bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_tsend.wqe_com, LPFC_WQE_LENLOC_WORD12); 122bd3061baSJames Smart 123bd3061baSJames Smart /* Word 11 - sup, irsp, irsplen is variable */ 124bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_tsend.wqe_com, FCP_COMMAND_TSEND); 125bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_tsend.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 126bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_tsend.wqe_com, 0); 127bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 0); 128bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 0); 129bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_tsend.wqe_com, 0); 130bd3061baSJames Smart 131bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 132bd3061baSJames Smart 133bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is zero */ 134bd3061baSJames Smart 135bd3061baSJames Smart /* TRECEIVE template */ 136bd3061baSJames Smart wqe = &lpfc_treceive_cmd_template; 137bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 138bd3061baSJames Smart 139bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 140bd3061baSJames Smart 141bd3061baSJames Smart /* Word 3 */ 142bd3061baSJames Smart wqe->fcp_treceive.payload_offset_len = TXRDY_PAYLOAD_LEN; 143bd3061baSJames Smart 144bd3061baSJames Smart /* Word 4 - relative_offset is variable */ 145bd3061baSJames Smart 146bd3061baSJames Smart /* Word 5 - is zero */ 147bd3061baSJames Smart 148bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 149bd3061baSJames Smart 150bd3061baSJames Smart /* Word 7 */ 151bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_treceive.wqe_com, CMD_FCP_TRECEIVE64_WQE); 152bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_treceive.wqe_com, PARM_REL_OFF); 153bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_treceive.wqe_com, CLASS3); 154bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_treceive.wqe_com, SLI4_CT_RPI); 155bd3061baSJames Smart bf_set(wqe_ar, &wqe->fcp_treceive.wqe_com, 0); 156bd3061baSJames Smart 157bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 158bd3061baSJames Smart 159bd3061baSJames Smart /* Word 9 - reqtag, rcvoxid is variable */ 160bd3061baSJames Smart 161bd3061baSJames Smart /* Word 10 - xc is variable */ 162bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_treceive.wqe_com, 1); 163bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_treceive.wqe_com, 0); 164bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_treceive.wqe_com, 1); 165bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_treceive.wqe_com, LPFC_WQE_IOD_READ); 166bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_treceive.wqe_com, LPFC_WQE_LENLOC_WORD12); 167bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 1); 168bd3061baSJames Smart 169bd3061baSJames Smart /* Word 11 - pbde is variable */ 170bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_treceive.wqe_com, FCP_COMMAND_TRECEIVE); 171bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_treceive.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 172bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_treceive.wqe_com, 0); 173bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_treceive.wqe_com, 0); 174bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_treceive.wqe_com, 0); 175bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 1); 176bd3061baSJames Smart 177bd3061baSJames Smart /* Word 12 - fcp_data_len is variable */ 178bd3061baSJames Smart 179bd3061baSJames Smart /* Word 13, 14, 15 - PBDE is variable */ 180bd3061baSJames Smart 181bd3061baSJames Smart /* TRSP template */ 182bd3061baSJames Smart wqe = &lpfc_trsp_cmd_template; 183bd3061baSJames Smart memset(wqe, 0, sizeof(union lpfc_wqe128)); 184bd3061baSJames Smart 185bd3061baSJames Smart /* Word 0, 1, 2 - BDE is variable */ 186bd3061baSJames Smart 187bd3061baSJames Smart /* Word 3 - response_len is variable */ 188bd3061baSJames Smart 189bd3061baSJames Smart /* Word 4, 5 - is zero */ 190bd3061baSJames Smart 191bd3061baSJames Smart /* Word 6 - ctxt_tag, xri_tag is variable */ 192bd3061baSJames Smart 193bd3061baSJames Smart /* Word 7 */ 194bd3061baSJames Smart bf_set(wqe_cmnd, &wqe->fcp_trsp.wqe_com, CMD_FCP_TRSP64_WQE); 195bd3061baSJames Smart bf_set(wqe_pu, &wqe->fcp_trsp.wqe_com, PARM_UNUSED); 196bd3061baSJames Smart bf_set(wqe_class, &wqe->fcp_trsp.wqe_com, CLASS3); 197bd3061baSJames Smart bf_set(wqe_ct, &wqe->fcp_trsp.wqe_com, SLI4_CT_RPI); 198bd3061baSJames Smart bf_set(wqe_ag, &wqe->fcp_trsp.wqe_com, 1); /* wqe_ar */ 199bd3061baSJames Smart 200bd3061baSJames Smart /* Word 8 - abort_tag is variable */ 201bd3061baSJames Smart 202bd3061baSJames Smart /* Word 9 - reqtag is variable */ 203bd3061baSJames Smart 204bd3061baSJames Smart /* Word 10 wqes, xc is variable */ 205bd3061baSJames Smart bf_set(wqe_dbde, &wqe->fcp_trsp.wqe_com, 1); 206bd3061baSJames Smart bf_set(wqe_nvme, &wqe->fcp_trsp.wqe_com, 1); 207bd3061baSJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 0); 208bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 0); 209bd3061baSJames Smart bf_set(wqe_iod, &wqe->fcp_trsp.wqe_com, LPFC_WQE_IOD_NONE); 210bd3061baSJames Smart bf_set(wqe_lenloc, &wqe->fcp_trsp.wqe_com, LPFC_WQE_LENLOC_WORD3); 211bd3061baSJames Smart 212bd3061baSJames Smart /* Word 11 irsp, irsplen is variable */ 213bd3061baSJames Smart bf_set(wqe_cmd_type, &wqe->fcp_trsp.wqe_com, FCP_COMMAND_TRSP); 214bd3061baSJames Smart bf_set(wqe_cqid, &wqe->fcp_trsp.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); 215bd3061baSJames Smart bf_set(wqe_sup, &wqe->fcp_trsp.wqe_com, 0); 216bd3061baSJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 0); 217bd3061baSJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 0); 218bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_trsp.wqe_com, 0); 219bd3061baSJames Smart 220bd3061baSJames Smart /* Word 12, 13, 14, 15 - is zero */ 221bd3061baSJames Smart } 222bd3061baSJames Smart 223336df6ebSNathan Chancellor #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 224d7b761b0SYueHaibing static struct lpfc_nvmet_rcv_ctx * 22579d8c4ceSJames Smart lpfc_nvmet_get_ctx_for_xri(struct lpfc_hba *phba, u16 xri) 22679d8c4ceSJames Smart { 22779d8c4ceSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 22879d8c4ceSJames Smart unsigned long iflag; 22979d8c4ceSJames Smart bool found = false; 23079d8c4ceSJames Smart 23179d8c4ceSJames Smart spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag); 23279d8c4ceSJames Smart list_for_each_entry(ctxp, &phba->sli4_hba.t_active_ctx_list, list) { 23379d8c4ceSJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 23479d8c4ceSJames Smart continue; 23579d8c4ceSJames Smart 23679d8c4ceSJames Smart found = true; 23779d8c4ceSJames Smart break; 23879d8c4ceSJames Smart } 23979d8c4ceSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag); 24079d8c4ceSJames Smart if (found) 24179d8c4ceSJames Smart return ctxp; 24279d8c4ceSJames Smart 24379d8c4ceSJames Smart return NULL; 24479d8c4ceSJames Smart } 24579d8c4ceSJames Smart 246d7b761b0SYueHaibing static struct lpfc_nvmet_rcv_ctx * 24779d8c4ceSJames Smart lpfc_nvmet_get_ctx_for_oxid(struct lpfc_hba *phba, u16 oxid, u32 sid) 24879d8c4ceSJames Smart { 24979d8c4ceSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 25079d8c4ceSJames Smart unsigned long iflag; 25179d8c4ceSJames Smart bool found = false; 25279d8c4ceSJames Smart 25379d8c4ceSJames Smart spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag); 25479d8c4ceSJames Smart list_for_each_entry(ctxp, &phba->sli4_hba.t_active_ctx_list, list) { 25579d8c4ceSJames Smart if (ctxp->oxid != oxid || ctxp->sid != sid) 25679d8c4ceSJames Smart continue; 25779d8c4ceSJames Smart 25879d8c4ceSJames Smart found = true; 25979d8c4ceSJames Smart break; 26079d8c4ceSJames Smart } 26179d8c4ceSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag); 26279d8c4ceSJames Smart if (found) 26379d8c4ceSJames Smart return ctxp; 26479d8c4ceSJames Smart 26579d8c4ceSJames Smart return NULL; 26679d8c4ceSJames Smart } 267336df6ebSNathan Chancellor #endif 26879d8c4ceSJames Smart 2693999df75SBart Van Assche static void 27086c67379SJames Smart lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp) 27186c67379SJames Smart { 272472e146dSJames Smart lockdep_assert_held(&ctxp->ctxlock); 27386c67379SJames Smart 274e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 27579d8c4ceSJames Smart "6313 NVMET Defer ctx release oxid x%x flg x%x\n", 27686c67379SJames Smart ctxp->oxid, ctxp->flag); 27786c67379SJames Smart 278472e146dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) 27986c67379SJames Smart return; 280472e146dSJames Smart 28186c67379SJames Smart ctxp->flag |= LPFC_NVMET_CTX_RLS; 28279d8c4ceSJames Smart spin_lock(&phba->sli4_hba.t_active_list_lock); 28379d8c4ceSJames Smart list_del(&ctxp->list); 28479d8c4ceSJames Smart spin_unlock(&phba->sli4_hba.t_active_list_lock); 285472e146dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 28686c67379SJames Smart list_add_tail(&ctxp->list, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list); 287472e146dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 28886c67379SJames Smart } 28986c67379SJames Smart 290d613b6a7SJames Smart /** 291d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response 292d613b6a7SJames Smart * @phba: Pointer to HBA context object. 293d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 294d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 295d613b6a7SJames Smart * 296d613b6a7SJames Smart * The function is called from SLI ring event handler with no 297d613b6a7SJames Smart * lock held. This function is the completion handler for NVME LS commands 298d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 299d613b6a7SJames Smart **/ 300d613b6a7SJames Smart static void 301d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 302d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 303d613b6a7SJames Smart { 304d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 305d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp; 306d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 307d613b6a7SJames Smart uint32_t status, result; 308d613b6a7SJames Smart 309d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 310d613b6a7SJames Smart result = wcqe->parameter; 311ce1b591cSJames Smart ctxp = cmdwqe->context2; 312ce1b591cSJames Smart 313ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) { 314ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 315ce1b591cSJames Smart "6410 NVMET LS cmpl state mismatch IO x%x: " 316ce1b591cSJames Smart "%d %d\n", 317ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 318ce1b591cSJames Smart } 319ce1b591cSJames Smart 320d613b6a7SJames Smart if (!phba->targetport) 321d613b6a7SJames Smart goto out; 322d613b6a7SJames Smart 323d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 324d613b6a7SJames Smart 3254b056682SJames Smart if (tgtp) { 3264b056682SJames Smart if (status) { 327d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_error); 3288ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 3294b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_aborted); 3304b056682SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) 3314b056682SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_xb_set); 3324b056682SJames Smart } else { 333d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_rsp_cmpl); 3344b056682SJames Smart } 3354b056682SJames Smart } 336d613b6a7SJames Smart 337d613b6a7SJames Smart out: 338d613b6a7SJames Smart rsp = &ctxp->ctx.ls_req; 339d613b6a7SJames Smart 3402b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n", 3412b65e182SJames Smart ctxp->oxid, status, result); 3422b65e182SJames Smart 343d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 344ce1b591cSJames Smart "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n", 345ce1b591cSJames Smart status, result, ctxp->oxid); 346d613b6a7SJames Smart 347d613b6a7SJames Smart lpfc_nlp_put(cmdwqe->context1); 348d613b6a7SJames Smart cmdwqe->context2 = NULL; 349d613b6a7SJames Smart cmdwqe->context3 = NULL; 350d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 351d613b6a7SJames Smart rsp->done(rsp); 352d613b6a7SJames Smart kfree(ctxp); 353d613b6a7SJames Smart } 354d613b6a7SJames Smart 355d613b6a7SJames Smart /** 3566c621a22SJames Smart * lpfc_nvmet_ctxbuf_post - Repost a NVMET RQ DMA buffer and clean up context 357d613b6a7SJames Smart * @phba: HBA buffer is associated with 358d613b6a7SJames Smart * @ctxp: context to clean up 359d613b6a7SJames Smart * @mp: Buffer to free 360d613b6a7SJames Smart * 361d613b6a7SJames Smart * Description: Frees the given DMA buffer in the appropriate way given by 362d613b6a7SJames Smart * reposting it to its associated RQ so it can be reused. 363d613b6a7SJames Smart * 364d613b6a7SJames Smart * Notes: Takes phba->hbalock. Can be called with or without other locks held. 365d613b6a7SJames Smart * 366d613b6a7SJames Smart * Returns: None 367d613b6a7SJames Smart **/ 368d613b6a7SJames Smart void 3696c621a22SJames Smart lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) 370d613b6a7SJames Smart { 371eeeb51d8SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 3726c621a22SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 373a8cf5dfeSJames Smart struct lpfc_nvmet_tgtport *tgtp; 374a8cf5dfeSJames Smart struct fc_frame_header *fc_hdr; 375a8cf5dfeSJames Smart struct rqb_dmabuf *nvmebuf; 37666d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 377472e146dSJames Smart uint32_t size, oxid, sid; 37866d7ce93SDick Kennedy int cpu; 3796c621a22SJames Smart unsigned long iflag; 38086c67379SJames Smart 381d613b6a7SJames Smart if (ctxp->txrdy) { 382771db5c0SRomain Perier dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, 383d613b6a7SJames Smart ctxp->txrdy_phys); 384d613b6a7SJames Smart ctxp->txrdy = NULL; 385d613b6a7SJames Smart ctxp->txrdy_phys = 0; 386d613b6a7SJames Smart } 387ce1b591cSJames Smart 388ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 389ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 390ce1b591cSJames Smart "6411 NVMET free, already free IO x%x: %d %d\n", 391ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 392ce1b591cSJames Smart } 393472e146dSJames Smart 394472e146dSJames Smart if (ctxp->rqb_buffer) { 395472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 3964767c58aSJames Smart nvmebuf = ctxp->rqb_buffer; 3974767c58aSJames Smart /* check if freed in another path whilst acquiring lock */ 3984767c58aSJames Smart if (nvmebuf) { 399472e146dSJames Smart ctxp->rqb_buffer = NULL; 400472e146dSJames Smart if (ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) { 401472e146dSJames Smart ctxp->flag &= ~LPFC_NVMET_CTX_REUSE_WQ; 402472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 4034767c58aSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, 4044767c58aSJames Smart nvmebuf); 405472e146dSJames Smart } else { 406472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 4074767c58aSJames Smart /* repost */ 4084767c58aSJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 4094767c58aSJames Smart } 4104767c58aSJames Smart } else { 4114767c58aSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 412472e146dSJames Smart } 413472e146dSJames Smart } 414d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_FREE; 4156c621a22SJames Smart 416a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 417a8cf5dfeSJames Smart if (phba->sli4_hba.nvmet_io_wait_cnt) { 418a8cf5dfeSJames Smart list_remove_head(&phba->sli4_hba.lpfc_nvmet_io_wait_list, 419a8cf5dfeSJames Smart nvmebuf, struct rqb_dmabuf, 420a8cf5dfeSJames Smart hbuf.list); 421a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt--; 422a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 423a8cf5dfeSJames Smart iflag); 424a8cf5dfeSJames Smart 425a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 426a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 427a8cf5dfeSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 428a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 429a8cf5dfeSJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 430a8cf5dfeSJames Smart 431a8cf5dfeSJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 432a8cf5dfeSJames Smart ctxp->wqeq = NULL; 433a8cf5dfeSJames Smart ctxp->txrdy = NULL; 434a8cf5dfeSJames Smart ctxp->offset = 0; 435a8cf5dfeSJames Smart ctxp->phba = phba; 436a8cf5dfeSJames Smart ctxp->size = size; 437a8cf5dfeSJames Smart ctxp->oxid = oxid; 438a8cf5dfeSJames Smart ctxp->sid = sid; 439a8cf5dfeSJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 440a8cf5dfeSJames Smart ctxp->entry_cnt = 1; 441a8cf5dfeSJames Smart ctxp->flag = 0; 442a8cf5dfeSJames Smart ctxp->ctxbuf = ctx_buf; 443cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 444a8cf5dfeSJames Smart spin_lock_init(&ctxp->ctxlock); 445a8cf5dfeSJames Smart 446a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 447d74a89aaSJames Smart /* NOTE: isr time stamp is stale when context is re-assigned*/ 448d74a89aaSJames Smart if (ctxp->ts_isr_cmd) { 449d74a89aaSJames Smart ctxp->ts_cmd_nvme = 0; 450a8cf5dfeSJames Smart ctxp->ts_nvme_data = 0; 451a8cf5dfeSJames Smart ctxp->ts_data_wqput = 0; 452a8cf5dfeSJames Smart ctxp->ts_isr_data = 0; 453a8cf5dfeSJames Smart ctxp->ts_data_nvme = 0; 454a8cf5dfeSJames Smart ctxp->ts_nvme_status = 0; 455a8cf5dfeSJames Smart ctxp->ts_status_wqput = 0; 456a8cf5dfeSJames Smart ctxp->ts_isr_status = 0; 457a8cf5dfeSJames Smart ctxp->ts_status_nvme = 0; 458d613b6a7SJames Smart } 459a8cf5dfeSJames Smart #endif 460a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 461472e146dSJames Smart 46279d8c4ceSJames Smart /* Indicate that a replacement buffer has been posted */ 463472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 464472e146dSJames Smart ctxp->flag |= LPFC_NVMET_CTX_REUSE_WQ; 465472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 466a8cf5dfeSJames Smart 467472e146dSJames Smart if (!queue_work(phba->wq, &ctx_buf->defer_work)) { 468a8cf5dfeSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 469472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 470472e146dSJames Smart "6181 Unable to queue deferred work " 471472e146dSJames Smart "for oxid x%x. " 472472e146dSJames Smart "FCP Drop IO [x%x x%x x%x]\n", 473472e146dSJames Smart ctxp->oxid, 474a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 475a8cf5dfeSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 476a8cf5dfeSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 477a8cf5dfeSJames Smart 478472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 479a8cf5dfeSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 480472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 481a8cf5dfeSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 482472e146dSJames Smart } 483a8cf5dfeSJames Smart return; 484a8cf5dfeSJames Smart } 485a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 486a8cf5dfeSJames Smart 48766d7ce93SDick Kennedy /* 48866d7ce93SDick Kennedy * Use the CPU context list, from the MRQ the IO was received on 48966d7ce93SDick Kennedy * (ctxp->idx), to save context structure. 49066d7ce93SDick Kennedy */ 49179d8c4ceSJames Smart spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag); 49279d8c4ceSJames Smart list_del_init(&ctxp->list); 49379d8c4ceSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag); 494d6d189ceSBart Van Assche cpu = raw_smp_processor_id(); 49566d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, cpu, ctxp->idx); 49666d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, iflag); 49766d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 49866d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 49966d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, iflag); 500eeeb51d8SJames Smart #endif 501d613b6a7SJames Smart } 502d613b6a7SJames Smart 5032b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 5042b65e182SJames Smart static void 5052b65e182SJames Smart lpfc_nvmet_ktime(struct lpfc_hba *phba, 5062b65e182SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 5072b65e182SJames Smart { 5082b65e182SJames Smart uint64_t seg1, seg2, seg3, seg4, seg5; 5092b65e182SJames Smart uint64_t seg6, seg7, seg8, seg9, seg10; 510c8a4ce0bSDick Kennedy uint64_t segsum; 5112b65e182SJames Smart 5122b65e182SJames Smart if (!ctxp->ts_isr_cmd || !ctxp->ts_cmd_nvme || 5132b65e182SJames Smart !ctxp->ts_nvme_data || !ctxp->ts_data_wqput || 5142b65e182SJames Smart !ctxp->ts_isr_data || !ctxp->ts_data_nvme || 5152b65e182SJames Smart !ctxp->ts_nvme_status || !ctxp->ts_status_wqput || 5162b65e182SJames Smart !ctxp->ts_isr_status || !ctxp->ts_status_nvme) 5172b65e182SJames Smart return; 5182b65e182SJames Smart 519c8a4ce0bSDick Kennedy if (ctxp->ts_status_nvme < ctxp->ts_isr_cmd) 520c8a4ce0bSDick Kennedy return; 5212b65e182SJames Smart if (ctxp->ts_isr_cmd > ctxp->ts_cmd_nvme) 5222b65e182SJames Smart return; 5232b65e182SJames Smart if (ctxp->ts_cmd_nvme > ctxp->ts_nvme_data) 5242b65e182SJames Smart return; 5252b65e182SJames Smart if (ctxp->ts_nvme_data > ctxp->ts_data_wqput) 5262b65e182SJames Smart return; 5272b65e182SJames Smart if (ctxp->ts_data_wqput > ctxp->ts_isr_data) 5282b65e182SJames Smart return; 5292b65e182SJames Smart if (ctxp->ts_isr_data > ctxp->ts_data_nvme) 5302b65e182SJames Smart return; 5312b65e182SJames Smart if (ctxp->ts_data_nvme > ctxp->ts_nvme_status) 5322b65e182SJames Smart return; 5332b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_status_wqput) 5342b65e182SJames Smart return; 5352b65e182SJames Smart if (ctxp->ts_status_wqput > ctxp->ts_isr_status) 5362b65e182SJames Smart return; 5372b65e182SJames Smart if (ctxp->ts_isr_status > ctxp->ts_status_nvme) 5382b65e182SJames Smart return; 5392b65e182SJames Smart /* 5402b65e182SJames Smart * Segment 1 - Time from FCP command received by MSI-X ISR 5412b65e182SJames Smart * to FCP command is passed to NVME Layer. 5422b65e182SJames Smart * Segment 2 - Time from FCP command payload handed 5432b65e182SJames Smart * off to NVME Layer to Driver receives a Command op 5442b65e182SJames Smart * from NVME Layer. 5452b65e182SJames Smart * Segment 3 - Time from Driver receives a Command op 5462b65e182SJames Smart * from NVME Layer to Command is put on WQ. 5472b65e182SJames Smart * Segment 4 - Time from Driver WQ put is done 5482b65e182SJames Smart * to MSI-X ISR for Command cmpl. 5492b65e182SJames Smart * Segment 5 - Time from MSI-X ISR for Command cmpl to 5502b65e182SJames Smart * Command cmpl is passed to NVME Layer. 5512b65e182SJames Smart * Segment 6 - Time from Command cmpl is passed to NVME 5522b65e182SJames Smart * Layer to Driver receives a RSP op from NVME Layer. 5532b65e182SJames Smart * Segment 7 - Time from Driver receives a RSP op from 5542b65e182SJames Smart * NVME Layer to WQ put is done on TRSP FCP Status. 5552b65e182SJames Smart * Segment 8 - Time from Driver WQ put is done on TRSP 5562b65e182SJames Smart * FCP Status to MSI-X ISR for TRSP cmpl. 5572b65e182SJames Smart * Segment 9 - Time from MSI-X ISR for TRSP cmpl to 5582b65e182SJames Smart * TRSP cmpl is passed to NVME Layer. 5592b65e182SJames Smart * Segment 10 - Time from FCP command received by 5602b65e182SJames Smart * MSI-X ISR to command is completed on wire. 5612b65e182SJames Smart * (Segments 1 thru 8) for READDATA / WRITEDATA 5622b65e182SJames Smart * (Segments 1 thru 4) for READDATA_RSP 5632b65e182SJames Smart */ 5642b65e182SJames Smart seg1 = ctxp->ts_cmd_nvme - ctxp->ts_isr_cmd; 565c8a4ce0bSDick Kennedy segsum = seg1; 566c8a4ce0bSDick Kennedy 567c8a4ce0bSDick Kennedy seg2 = ctxp->ts_nvme_data - ctxp->ts_isr_cmd; 568c8a4ce0bSDick Kennedy if (segsum > seg2) 569c8a4ce0bSDick Kennedy return; 570c8a4ce0bSDick Kennedy seg2 -= segsum; 571c8a4ce0bSDick Kennedy segsum += seg2; 572c8a4ce0bSDick Kennedy 573c8a4ce0bSDick Kennedy seg3 = ctxp->ts_data_wqput - ctxp->ts_isr_cmd; 574c8a4ce0bSDick Kennedy if (segsum > seg3) 575c8a4ce0bSDick Kennedy return; 576c8a4ce0bSDick Kennedy seg3 -= segsum; 577c8a4ce0bSDick Kennedy segsum += seg3; 578c8a4ce0bSDick Kennedy 579c8a4ce0bSDick Kennedy seg4 = ctxp->ts_isr_data - ctxp->ts_isr_cmd; 580c8a4ce0bSDick Kennedy if (segsum > seg4) 581c8a4ce0bSDick Kennedy return; 582c8a4ce0bSDick Kennedy seg4 -= segsum; 583c8a4ce0bSDick Kennedy segsum += seg4; 584c8a4ce0bSDick Kennedy 585c8a4ce0bSDick Kennedy seg5 = ctxp->ts_data_nvme - ctxp->ts_isr_cmd; 586c8a4ce0bSDick Kennedy if (segsum > seg5) 587c8a4ce0bSDick Kennedy return; 588c8a4ce0bSDick Kennedy seg5 -= segsum; 589c8a4ce0bSDick Kennedy segsum += seg5; 590c8a4ce0bSDick Kennedy 5912b65e182SJames Smart 5922b65e182SJames Smart /* For auto rsp commands seg6 thru seg10 will be 0 */ 5932b65e182SJames Smart if (ctxp->ts_nvme_status > ctxp->ts_data_nvme) { 594c8a4ce0bSDick Kennedy seg6 = ctxp->ts_nvme_status - ctxp->ts_isr_cmd; 595c8a4ce0bSDick Kennedy if (segsum > seg6) 596c8a4ce0bSDick Kennedy return; 597c8a4ce0bSDick Kennedy seg6 -= segsum; 598c8a4ce0bSDick Kennedy segsum += seg6; 599c8a4ce0bSDick Kennedy 600c8a4ce0bSDick Kennedy seg7 = ctxp->ts_status_wqput - ctxp->ts_isr_cmd; 601c8a4ce0bSDick Kennedy if (segsum > seg7) 602c8a4ce0bSDick Kennedy return; 603c8a4ce0bSDick Kennedy seg7 -= segsum; 604c8a4ce0bSDick Kennedy segsum += seg7; 605c8a4ce0bSDick Kennedy 606c8a4ce0bSDick Kennedy seg8 = ctxp->ts_isr_status - ctxp->ts_isr_cmd; 607c8a4ce0bSDick Kennedy if (segsum > seg8) 608c8a4ce0bSDick Kennedy return; 609c8a4ce0bSDick Kennedy seg8 -= segsum; 610c8a4ce0bSDick Kennedy segsum += seg8; 611c8a4ce0bSDick Kennedy 612c8a4ce0bSDick Kennedy seg9 = ctxp->ts_status_nvme - ctxp->ts_isr_cmd; 613c8a4ce0bSDick Kennedy if (segsum > seg9) 614c8a4ce0bSDick Kennedy return; 615c8a4ce0bSDick Kennedy seg9 -= segsum; 616c8a4ce0bSDick Kennedy segsum += seg9; 617c8a4ce0bSDick Kennedy 618c8a4ce0bSDick Kennedy if (ctxp->ts_isr_status < ctxp->ts_isr_cmd) 619c8a4ce0bSDick Kennedy return; 6202b65e182SJames Smart seg10 = (ctxp->ts_isr_status - 6212b65e182SJames Smart ctxp->ts_isr_cmd); 6222b65e182SJames Smart } else { 623c8a4ce0bSDick Kennedy if (ctxp->ts_isr_data < ctxp->ts_isr_cmd) 624c8a4ce0bSDick Kennedy return; 6252b65e182SJames Smart seg6 = 0; 6262b65e182SJames Smart seg7 = 0; 6272b65e182SJames Smart seg8 = 0; 6282b65e182SJames Smart seg9 = 0; 6292b65e182SJames Smart seg10 = (ctxp->ts_isr_data - ctxp->ts_isr_cmd); 6302b65e182SJames Smart } 6312b65e182SJames Smart 6322b65e182SJames Smart phba->ktime_seg1_total += seg1; 6332b65e182SJames Smart if (seg1 < phba->ktime_seg1_min) 6342b65e182SJames Smart phba->ktime_seg1_min = seg1; 6352b65e182SJames Smart else if (seg1 > phba->ktime_seg1_max) 6362b65e182SJames Smart phba->ktime_seg1_max = seg1; 6372b65e182SJames Smart 6382b65e182SJames Smart phba->ktime_seg2_total += seg2; 6392b65e182SJames Smart if (seg2 < phba->ktime_seg2_min) 6402b65e182SJames Smart phba->ktime_seg2_min = seg2; 6412b65e182SJames Smart else if (seg2 > phba->ktime_seg2_max) 6422b65e182SJames Smart phba->ktime_seg2_max = seg2; 6432b65e182SJames Smart 6442b65e182SJames Smart phba->ktime_seg3_total += seg3; 6452b65e182SJames Smart if (seg3 < phba->ktime_seg3_min) 6462b65e182SJames Smart phba->ktime_seg3_min = seg3; 6472b65e182SJames Smart else if (seg3 > phba->ktime_seg3_max) 6482b65e182SJames Smart phba->ktime_seg3_max = seg3; 6492b65e182SJames Smart 6502b65e182SJames Smart phba->ktime_seg4_total += seg4; 6512b65e182SJames Smart if (seg4 < phba->ktime_seg4_min) 6522b65e182SJames Smart phba->ktime_seg4_min = seg4; 6532b65e182SJames Smart else if (seg4 > phba->ktime_seg4_max) 6542b65e182SJames Smart phba->ktime_seg4_max = seg4; 6552b65e182SJames Smart 6562b65e182SJames Smart phba->ktime_seg5_total += seg5; 6572b65e182SJames Smart if (seg5 < phba->ktime_seg5_min) 6582b65e182SJames Smart phba->ktime_seg5_min = seg5; 6592b65e182SJames Smart else if (seg5 > phba->ktime_seg5_max) 6602b65e182SJames Smart phba->ktime_seg5_max = seg5; 6612b65e182SJames Smart 6622b65e182SJames Smart phba->ktime_data_samples++; 6632b65e182SJames Smart if (!seg6) 6642b65e182SJames Smart goto out; 6652b65e182SJames Smart 6662b65e182SJames Smart phba->ktime_seg6_total += seg6; 6672b65e182SJames Smart if (seg6 < phba->ktime_seg6_min) 6682b65e182SJames Smart phba->ktime_seg6_min = seg6; 6692b65e182SJames Smart else if (seg6 > phba->ktime_seg6_max) 6702b65e182SJames Smart phba->ktime_seg6_max = seg6; 6712b65e182SJames Smart 6722b65e182SJames Smart phba->ktime_seg7_total += seg7; 6732b65e182SJames Smart if (seg7 < phba->ktime_seg7_min) 6742b65e182SJames Smart phba->ktime_seg7_min = seg7; 6752b65e182SJames Smart else if (seg7 > phba->ktime_seg7_max) 6762b65e182SJames Smart phba->ktime_seg7_max = seg7; 6772b65e182SJames Smart 6782b65e182SJames Smart phba->ktime_seg8_total += seg8; 6792b65e182SJames Smart if (seg8 < phba->ktime_seg8_min) 6802b65e182SJames Smart phba->ktime_seg8_min = seg8; 6812b65e182SJames Smart else if (seg8 > phba->ktime_seg8_max) 6822b65e182SJames Smart phba->ktime_seg8_max = seg8; 6832b65e182SJames Smart 6842b65e182SJames Smart phba->ktime_seg9_total += seg9; 6852b65e182SJames Smart if (seg9 < phba->ktime_seg9_min) 6862b65e182SJames Smart phba->ktime_seg9_min = seg9; 6872b65e182SJames Smart else if (seg9 > phba->ktime_seg9_max) 6882b65e182SJames Smart phba->ktime_seg9_max = seg9; 6892b65e182SJames Smart out: 6902b65e182SJames Smart phba->ktime_seg10_total += seg10; 6912b65e182SJames Smart if (seg10 < phba->ktime_seg10_min) 6922b65e182SJames Smart phba->ktime_seg10_min = seg10; 6932b65e182SJames Smart else if (seg10 > phba->ktime_seg10_max) 6942b65e182SJames Smart phba->ktime_seg10_max = seg10; 6952b65e182SJames Smart phba->ktime_status_samples++; 6962b65e182SJames Smart } 6972b65e182SJames Smart #endif 6982b65e182SJames Smart 699d613b6a7SJames Smart /** 700d613b6a7SJames Smart * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response 701d613b6a7SJames Smart * @phba: Pointer to HBA context object. 702d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 703d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 704d613b6a7SJames Smart * 705d613b6a7SJames Smart * The function is called from SLI ring event handler with no 706d613b6a7SJames Smart * lock held. This function is the completion handler for NVME FCP commands 707d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 708d613b6a7SJames Smart **/ 709d613b6a7SJames Smart static void 710d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 711d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 712d613b6a7SJames Smart { 713d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 714d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp; 715d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 716e3246a12SJames Smart uint32_t status, result, op, start_clean, logerr; 7172b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 7182b65e182SJames Smart uint32_t id; 7192b65e182SJames Smart #endif 720d613b6a7SJames Smart 721d613b6a7SJames Smart ctxp = cmdwqe->context2; 72286c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_IO_INP; 72386c67379SJames Smart 724d613b6a7SJames Smart rsp = &ctxp->ctx.fcp_req; 725d613b6a7SJames Smart op = rsp->op; 726d613b6a7SJames Smart 727d613b6a7SJames Smart status = bf_get(lpfc_wcqe_c_status, wcqe); 728d613b6a7SJames Smart result = wcqe->parameter; 729d613b6a7SJames Smart 73086c67379SJames Smart if (phba->targetport) 73186c67379SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 73286c67379SJames Smart else 73386c67379SJames Smart tgtp = NULL; 734d613b6a7SJames Smart 7352b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMPL: xri x%x op x%x status x%x\n", 7362b65e182SJames Smart ctxp->oxid, op, status); 7372b65e182SJames Smart 738d613b6a7SJames Smart if (status) { 739d613b6a7SJames Smart rsp->fcp_error = NVME_SC_DATA_XFER_ERROR; 740d613b6a7SJames Smart rsp->transferred_length = 0; 7414b056682SJames Smart if (tgtp) { 742d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_error); 7438ae33701SJames Smart if (result == IOERR_ABORT_REQUESTED) 7444b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_aborted); 7454b056682SJames Smart } 74686c67379SJames Smart 747e3246a12SJames Smart logerr = LOG_NVME_IOERR; 748e3246a12SJames Smart 74986c67379SJames Smart /* pick up SLI4 exhange busy condition */ 75086c67379SJames Smart if (bf_get(lpfc_wcqe_c_xb, wcqe)) { 75186c67379SJames Smart ctxp->flag |= LPFC_NVMET_XBUSY; 752e3246a12SJames Smart logerr |= LOG_NVME_ABTS; 7534b056682SJames Smart if (tgtp) 7544b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_xb_set); 75586c67379SJames Smart 75686c67379SJames Smart } else { 75786c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 75886c67379SJames Smart } 75986c67379SJames Smart 760e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, logerr, 76179d8c4ceSJames Smart "6315 IO Error Cmpl oxid: x%x xri: x%x %x/%x " 76279d8c4ceSJames Smart "XBUSY:x%x\n", 76379d8c4ceSJames Smart ctxp->oxid, ctxp->ctxbuf->sglq->sli4_xritag, 76479d8c4ceSJames Smart status, result, ctxp->flag); 765e3246a12SJames Smart 766d613b6a7SJames Smart } else { 767d613b6a7SJames Smart rsp->fcp_error = NVME_SC_SUCCESS; 768d613b6a7SJames Smart if (op == NVMET_FCOP_RSP) 769d613b6a7SJames Smart rsp->transferred_length = rsp->rsplen; 770d613b6a7SJames Smart else 771d613b6a7SJames Smart rsp->transferred_length = rsp->transfer_length; 77286c67379SJames Smart if (tgtp) 773d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp_cmpl); 774d613b6a7SJames Smart } 775d613b6a7SJames Smart 776d613b6a7SJames Smart if ((op == NVMET_FCOP_READDATA_RSP) || 777d613b6a7SJames Smart (op == NVMET_FCOP_RSP)) { 778d613b6a7SJames Smart /* Sanity check */ 779d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 780d613b6a7SJames Smart ctxp->entry_cnt++; 78186c67379SJames Smart 7822b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 783c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 7842b65e182SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 7852b65e182SJames Smart ctxp->ts_isr_data = 7862b65e182SJames Smart cmdwqe->isr_timestamp; 7872b65e182SJames Smart ctxp->ts_data_nvme = 7882b65e182SJames Smart ktime_get_ns(); 7892b65e182SJames Smart ctxp->ts_nvme_status = 7902b65e182SJames Smart ctxp->ts_data_nvme; 7912b65e182SJames Smart ctxp->ts_status_wqput = 7922b65e182SJames Smart ctxp->ts_data_nvme; 7932b65e182SJames Smart ctxp->ts_isr_status = 7942b65e182SJames Smart ctxp->ts_data_nvme; 7952b65e182SJames Smart ctxp->ts_status_nvme = 7962b65e182SJames Smart ctxp->ts_data_nvme; 7972b65e182SJames Smart } else { 7982b65e182SJames Smart ctxp->ts_isr_status = 7992b65e182SJames Smart cmdwqe->isr_timestamp; 8002b65e182SJames Smart ctxp->ts_status_nvme = 8012b65e182SJames Smart ktime_get_ns(); 8022b65e182SJames Smart } 8032b65e182SJames Smart } 8042b65e182SJames Smart #endif 805d613b6a7SJames Smart rsp->done(rsp); 8062b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 807c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) 8082b65e182SJames Smart lpfc_nvmet_ktime(phba, ctxp); 8092b65e182SJames Smart #endif 81019b58d94SJames Smart /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ 811d613b6a7SJames Smart } else { 812d613b6a7SJames Smart ctxp->entry_cnt++; 813c6e0c925SDick Kennedy start_clean = offsetof(struct lpfc_iocbq, iocb_flag); 814d613b6a7SJames Smart memset(((char *)cmdwqe) + start_clean, 0, 815d613b6a7SJames Smart (sizeof(struct lpfc_iocbq) - start_clean)); 8162b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 817c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 8182b65e182SJames Smart ctxp->ts_isr_data = cmdwqe->isr_timestamp; 8192b65e182SJames Smart ctxp->ts_data_nvme = ktime_get_ns(); 8202b65e182SJames Smart } 8212b65e182SJames Smart #endif 822d613b6a7SJames Smart rsp->done(rsp); 823d613b6a7SJames Smart } 82463df6d63SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 82563df6d63SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 826d6d189ceSBart Van Assche id = raw_smp_processor_id(); 82763df6d63SJames Smart if (id < LPFC_CHECK_CPU_CNT) { 82863df6d63SJames Smart if (ctxp->cpu != id) 82963df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 83063df6d63SJames Smart "6704 CPU Check cmdcmpl: " 83163df6d63SJames Smart "cpu %d expect %d\n", 83263df6d63SJames Smart id, ctxp->cpu); 83363df6d63SJames Smart phba->sli4_hba.hdwq[rsp->hwqid].cpucheck_cmpl_io[id]++; 83463df6d63SJames Smart } 83563df6d63SJames Smart } 83663df6d63SJames Smart #endif 837d613b6a7SJames Smart } 838d613b6a7SJames Smart 839d613b6a7SJames Smart static int 840d613b6a7SJames Smart lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, 841d613b6a7SJames Smart struct nvmefc_tgt_ls_req *rsp) 842d613b6a7SJames Smart { 843d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 844d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req); 845d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 846d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf = 847d613b6a7SJames Smart (struct hbq_dmabuf *)ctxp->rqb_buffer; 848d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 849d613b6a7SJames Smart struct lpfc_nvmet_tgtport *nvmep = tgtport->private; 850d613b6a7SJames Smart struct lpfc_dmabuf dmabuf; 851d613b6a7SJames Smart struct ulp_bde64 bpl; 852d613b6a7SJames Smart int rc; 853d613b6a7SJames Smart 8541abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 8551abcb371SDick Kennedy return -ENODEV; 8561abcb371SDick Kennedy 8573386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 8583386f4bdSJames Smart return -ENODEV; 8593386f4bdSJames Smart 860d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 861ce1b591cSJames Smart "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid); 862ce1b591cSJames Smart 863ce1b591cSJames Smart if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) || 864ce1b591cSJames Smart (ctxp->entry_cnt != 1)) { 865ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 866ce1b591cSJames Smart "6412 NVMET LS rsp state mismatch " 867ce1b591cSJames Smart "oxid x%x: %d %d\n", 868ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 869ce1b591cSJames Smart } 870ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RSP; 871ce1b591cSJames Smart ctxp->entry_cnt++; 872d613b6a7SJames Smart 873d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma, 874d613b6a7SJames Smart rsp->rsplen); 875d613b6a7SJames Smart if (nvmewqeq == NULL) { 876d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 877d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 878d613b6a7SJames Smart "6150 LS Drop IO x%x: Prep\n", 879d613b6a7SJames Smart ctxp->oxid); 880d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 881547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 882d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, 883d613b6a7SJames Smart ctxp->sid, ctxp->oxid); 884d613b6a7SJames Smart return -ENOMEM; 885d613b6a7SJames Smart } 886d613b6a7SJames Smart 887d613b6a7SJames Smart /* Save numBdes for bpl2sgl */ 888d613b6a7SJames Smart nvmewqeq->rsvd2 = 1; 889d613b6a7SJames Smart nvmewqeq->hba_wqidx = 0; 890d613b6a7SJames Smart nvmewqeq->context3 = &dmabuf; 891d613b6a7SJames Smart dmabuf.virt = &bpl; 892d613b6a7SJames Smart bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow; 893d613b6a7SJames Smart bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh; 894d613b6a7SJames Smart bpl.tus.f.bdeSize = rsp->rsplen; 895d613b6a7SJames Smart bpl.tus.f.bdeFlags = 0; 896d613b6a7SJames Smart bpl.tus.w = le32_to_cpu(bpl.tus.w); 897d613b6a7SJames Smart 898d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp; 899d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 900d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 901d613b6a7SJames Smart 9022b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n", 9032b65e182SJames Smart ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen); 9042b65e182SJames Smart 9051fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 906d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 907d613b6a7SJames Smart /* 908d613b6a7SJames Smart * Okay to repost buffer here, but wait till cmpl 909d613b6a7SJames Smart * before freeing ctxp and iocbq. 910d613b6a7SJames Smart */ 911d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 912d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_rsp); 913d613b6a7SJames Smart return 0; 914d613b6a7SJames Smart } 915d613b6a7SJames Smart /* Give back resources */ 916d613b6a7SJames Smart atomic_inc(&nvmep->xmt_ls_drop); 917d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 918d613b6a7SJames Smart "6151 LS Drop IO x%x: Issue %d\n", 919d613b6a7SJames Smart ctxp->oxid, rc); 920d613b6a7SJames Smart 921d613b6a7SJames Smart lpfc_nlp_put(nvmewqeq->context1); 922d613b6a7SJames Smart 923d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 924547077a4SJames Smart atomic_inc(&nvmep->xmt_ls_abort); 925d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 926d613b6a7SJames Smart return -ENXIO; 927d613b6a7SJames Smart } 928d613b6a7SJames Smart 929d613b6a7SJames Smart static int 930d613b6a7SJames Smart lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, 931d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp) 932d613b6a7SJames Smart { 933d613b6a7SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 934d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 935d613b6a7SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 936d613b6a7SJames Smart struct lpfc_hba *phba = ctxp->phba; 9376e8e1c14SJames Smart struct lpfc_queue *wq; 938d613b6a7SJames Smart struct lpfc_iocbq *nvmewqeq; 9396e8e1c14SJames Smart struct lpfc_sli_ring *pring; 9406e8e1c14SJames Smart unsigned long iflags; 941223b78eaSArnd Bergmann int rc; 9422b65e182SJames Smart 9431abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) { 9441abcb371SDick Kennedy rc = -ENODEV; 9451abcb371SDick Kennedy goto aerr; 9461abcb371SDick Kennedy } 9471abcb371SDick Kennedy 9483386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) { 9493386f4bdSJames Smart rc = -ENODEV; 9503386f4bdSJames Smart goto aerr; 9513386f4bdSJames Smart } 9523386f4bdSJames Smart 9532b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 954c8a4ce0bSDick Kennedy if (ctxp->ts_cmd_nvme) { 9552b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 9562b65e182SJames Smart ctxp->ts_nvme_status = ktime_get_ns(); 9572b65e182SJames Smart else 9582b65e182SJames Smart ctxp->ts_nvme_data = ktime_get_ns(); 9592b65e182SJames Smart } 9601fbf9742SJames Smart 9611fbf9742SJames Smart /* Setup the hdw queue if not already set */ 9621fbf9742SJames Smart if (!ctxp->hdwq) 9631fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[rsp->hwqid]; 9641fbf9742SJames Smart 9652b65e182SJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { 966d6d189ceSBart Van Assche int id = raw_smp_processor_id(); 96763df6d63SJames Smart if (id < LPFC_CHECK_CPU_CNT) { 96863df6d63SJames Smart if (rsp->hwqid != id) 96963df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 9702b65e182SJames Smart "6705 CPU Check OP: " 9712b65e182SJames Smart "cpu %d expect %d\n", 9722b65e182SJames Smart id, rsp->hwqid); 97363df6d63SJames Smart phba->sli4_hba.hdwq[rsp->hwqid].cpucheck_xmt_io[id]++; 9742b65e182SJames Smart } 97563df6d63SJames Smart ctxp->cpu = id; /* Setup cpu for cmpl check */ 9762b65e182SJames Smart } 9772b65e182SJames Smart #endif 978d613b6a7SJames Smart 979d613b6a7SJames Smart /* Sanity check */ 98086c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) || 98186c67379SJames Smart (ctxp->state == LPFC_NVMET_STE_ABORT)) { 982d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 983d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 98479d8c4ceSJames Smart "6102 IO oxid x%x aborted\n", 985d613b6a7SJames Smart ctxp->oxid); 986a5068b46SJames Smart rc = -ENXIO; 987d613b6a7SJames Smart goto aerr; 988d613b6a7SJames Smart } 989d613b6a7SJames Smart 990d613b6a7SJames Smart nvmewqeq = lpfc_nvmet_prep_fcp_wqe(phba, ctxp); 991d613b6a7SJames Smart if (nvmewqeq == NULL) { 992d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 993d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 994d613b6a7SJames Smart "6152 FCP Drop IO x%x: Prep\n", 995d613b6a7SJames Smart ctxp->oxid); 996a5068b46SJames Smart rc = -ENXIO; 997d613b6a7SJames Smart goto aerr; 998d613b6a7SJames Smart } 999d613b6a7SJames Smart 1000d613b6a7SJames Smart nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; 1001d613b6a7SJames Smart nvmewqeq->iocb_cmpl = NULL; 1002d613b6a7SJames Smart nvmewqeq->context2 = ctxp; 1003d613b6a7SJames Smart nvmewqeq->iocb_flag |= LPFC_IO_NVMET; 1004d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = rsp->hwqid; 1005d613b6a7SJames Smart 10062b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", 10072b65e182SJames Smart ctxp->oxid, rsp->op, rsp->rsplen); 10082b65e182SJames Smart 100961f3d4bfSJames Smart ctxp->flag |= LPFC_NVMET_IO_INP; 10101fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 1011d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 10122b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 1013c8a4ce0bSDick Kennedy if (!ctxp->ts_cmd_nvme) 10142b65e182SJames Smart return 0; 10152b65e182SJames Smart if (rsp->op == NVMET_FCOP_RSP) 10162b65e182SJames Smart ctxp->ts_status_wqput = ktime_get_ns(); 10172b65e182SJames Smart else 10182b65e182SJames Smart ctxp->ts_data_wqput = ktime_get_ns(); 10192b65e182SJames Smart #endif 1020d613b6a7SJames Smart return 0; 1021d613b6a7SJames Smart } 1022d613b6a7SJames Smart 10236e8e1c14SJames Smart if (rc == -EBUSY) { 10246e8e1c14SJames Smart /* 10256e8e1c14SJames Smart * WQ was full, so queue nvmewqeq to be sent after 10266e8e1c14SJames Smart * WQE release CQE 10276e8e1c14SJames Smart */ 10286e8e1c14SJames Smart ctxp->flag |= LPFC_NVMET_DEFER_WQFULL; 1029c00f62e6SJames Smart wq = ctxp->hdwq->io_wq; 10306e8e1c14SJames Smart pring = wq->pring; 10316e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 10326e8e1c14SJames Smart list_add_tail(&nvmewqeq->list, &wq->wqfull_list); 10336e8e1c14SJames Smart wq->q_flag |= HBA_NVMET_WQFULL; 10346e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 1035411de511SJames Smart atomic_inc(&lpfc_nvmep->defer_wqfull); 10366e8e1c14SJames Smart return 0; 10376e8e1c14SJames Smart } 10386e8e1c14SJames Smart 1039d613b6a7SJames Smart /* Give back resources */ 1040d613b6a7SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_drop); 1041d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1042d613b6a7SJames Smart "6153 FCP Drop IO x%x: Issue: %d\n", 1043d613b6a7SJames Smart ctxp->oxid, rc); 1044d613b6a7SJames Smart 1045d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 1046d613b6a7SJames Smart nvmewqeq->context2 = NULL; 1047d613b6a7SJames Smart nvmewqeq->context3 = NULL; 1048a5068b46SJames Smart rc = -EBUSY; 1049d613b6a7SJames Smart aerr: 1050a5068b46SJames Smart return rc; 1051d613b6a7SJames Smart } 1052d613b6a7SJames Smart 1053d613b6a7SJames Smart static void 1054d613b6a7SJames Smart lpfc_nvmet_targetport_delete(struct nvmet_fc_target_port *targetport) 1055d613b6a7SJames Smart { 1056d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tport = targetport->private; 1057d613b6a7SJames Smart 1058d613b6a7SJames Smart /* release any threads waiting for the unreg to complete */ 1059c41f5988SEwan D. Milne if (tport->phba->targetport) 1060c41f5988SEwan D. Milne complete(tport->tport_unreg_cmp); 1061d613b6a7SJames Smart } 1062d613b6a7SJames Smart 106319b58d94SJames Smart static void 1064a97ec51bSJames Smart lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport, 1065a97ec51bSJames Smart struct nvmefc_tgt_fcp_req *req) 1066a97ec51bSJames Smart { 1067a97ec51bSJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 1068a97ec51bSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 1069a97ec51bSJames Smart container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 1070a97ec51bSJames Smart struct lpfc_hba *phba = ctxp->phba; 10716e8e1c14SJames Smart struct lpfc_queue *wq; 107286c67379SJames Smart unsigned long flags; 1073a97ec51bSJames Smart 10741abcb371SDick Kennedy if (phba->pport->load_flag & FC_UNLOADING) 10751abcb371SDick Kennedy return; 10761abcb371SDick Kennedy 10773386f4bdSJames Smart if (phba->pport->load_flag & FC_UNLOADING) 10783386f4bdSJames Smart return; 10793386f4bdSJames Smart 10801fbf9742SJames Smart if (!ctxp->hdwq) 10811fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[0]; 10821fbf9742SJames Smart 1083a97ec51bSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 108479d8c4ceSJames Smart "6103 NVMET Abort op: oxid x%x flg x%x ste %d\n", 1085ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1086a97ec51bSJames Smart 1087ce1b591cSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP ABRT: xri x%x flg x%x ste x%x\n", 1088ce1b591cSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 1089a97ec51bSJames Smart 1090a97ec51bSJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_abort); 1091ce1b591cSJames Smart 109286c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 109386c67379SJames Smart 109486c67379SJames Smart /* Since iaab/iaar are NOT set, we need to check 109586c67379SJames Smart * if the firmware is in process of aborting IO 109686c67379SJames Smart */ 109779d8c4ceSJames Smart if (ctxp->flag & (LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP)) { 109886c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 109986c67379SJames Smart return; 110086c67379SJames Smart } 1101a97ec51bSJames Smart ctxp->flag |= LPFC_NVMET_ABORT_OP; 1102ce1b591cSJames Smart 11036e8e1c14SJames Smart if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) { 1104c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 11056e8e1c14SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 11066e8e1c14SJames Smart ctxp->oxid); 1107c00f62e6SJames Smart wq = ctxp->hdwq->io_wq; 11086e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, ctxp); 11096e8e1c14SJames Smart return; 11106e8e1c14SJames Smart } 1111c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 11126e8e1c14SJames Smart 1113ce1b591cSJames Smart /* An state of LPFC_NVMET_STE_RCV means we have just received 1114ce1b591cSJames Smart * the NVME command and have not started processing it. 1115ce1b591cSJames Smart * (by issuing any IO WQEs on this exchange yet) 1116ce1b591cSJames Smart */ 1117ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_RCV) 1118ce1b591cSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1119a97ec51bSJames Smart ctxp->oxid); 1120a97ec51bSJames Smart else 1121ce1b591cSJames Smart lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid, 1122a97ec51bSJames Smart ctxp->oxid); 1123a97ec51bSJames Smart } 1124a97ec51bSJames Smart 1125a97ec51bSJames Smart static void 112619b58d94SJames Smart lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, 112719b58d94SJames Smart struct nvmefc_tgt_fcp_req *rsp) 112819b58d94SJames Smart { 1129547077a4SJames Smart struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; 113019b58d94SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 113119b58d94SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 113219b58d94SJames Smart struct lpfc_hba *phba = ctxp->phba; 113319b58d94SJames Smart unsigned long flags; 113419b58d94SJames Smart bool aborting = false; 113519b58d94SJames Smart 1136c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 1137c160c0f8SJames Smart if (ctxp->flag & LPFC_NVMET_XBUSY) 1138c160c0f8SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 1139c160c0f8SJames Smart "6027 NVMET release with XBUSY flag x%x" 1140c160c0f8SJames Smart " oxid x%x\n", 1141c160c0f8SJames Smart ctxp->flag, ctxp->oxid); 1142c160c0f8SJames Smart else if (ctxp->state != LPFC_NVMET_STE_DONE && 1143c160c0f8SJames Smart ctxp->state != LPFC_NVMET_STE_ABORT) 1144ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1145ce1b591cSJames Smart "6413 NVMET release bad state %d %d oxid x%x\n", 1146ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 1147ce1b591cSJames Smart 114886c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_ABORT_OP) || 114986c67379SJames Smart (ctxp->flag & LPFC_NVMET_XBUSY)) { 115019b58d94SJames Smart aborting = true; 115186c67379SJames Smart /* let the abort path do the real release */ 115286c67379SJames Smart lpfc_nvmet_defer_release(phba, ctxp); 115319b58d94SJames Smart } 115419b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 115519b58d94SJames Smart 11569094367aSArnd Bergmann lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, 11579094367aSArnd Bergmann ctxp->state, aborting); 115819b58d94SJames Smart 1159547077a4SJames Smart atomic_inc(&lpfc_nvmep->xmt_fcp_release); 116079d8c4ceSJames Smart ctxp->flag &= ~LPFC_NVMET_TNOTIFY; 1161547077a4SJames Smart 116286c67379SJames Smart if (aborting) 116386c67379SJames Smart return; 116486c67379SJames Smart 11656c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 116619b58d94SJames Smart } 116719b58d94SJames Smart 116850738420SJames Smart static void 116950738420SJames Smart lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, 117050738420SJames Smart struct nvmefc_tgt_fcp_req *rsp) 117150738420SJames Smart { 117250738420SJames Smart struct lpfc_nvmet_tgtport *tgtp; 117350738420SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = 117450738420SJames Smart container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); 117550738420SJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 117650738420SJames Smart struct lpfc_hba *phba = ctxp->phba; 1177472e146dSJames Smart unsigned long iflag; 1178472e146dSJames Smart 117950738420SJames Smart 118050738420SJames Smart lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", 1181d6d189ceSBart Van Assche ctxp->oxid, ctxp->size, raw_smp_processor_id()); 118250738420SJames Smart 11836871e814SJames Smart if (!nvmebuf) { 11846871e814SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 118579d8c4ceSJames Smart "6425 Defer rcv: no buffer oxid x%x: " 11866871e814SJames Smart "flg %x ste %x\n", 11876871e814SJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 11886871e814SJames Smart return; 11896871e814SJames Smart } 11906871e814SJames Smart 119150738420SJames Smart tgtp = phba->targetport->private; 11926871e814SJames Smart if (tgtp) 119350738420SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_defer); 1194411de511SJames Smart 1195411de511SJames Smart /* Free the nvmebuf since a new buffer already replaced it */ 1196cbc5de1bSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 1197472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 1198472e146dSJames Smart ctxp->rqb_buffer = NULL; 1199472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 120050738420SJames Smart } 120150738420SJames Smart 1202ab723121SJames Smart static void 1203ab723121SJames Smart lpfc_nvmet_discovery_event(struct nvmet_fc_target_port *tgtport) 1204ab723121SJames Smart { 1205ab723121SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1206ab723121SJames Smart struct lpfc_hba *phba; 1207ab723121SJames Smart uint32_t rc; 1208ab723121SJames Smart 1209ab723121SJames Smart tgtp = tgtport->private; 1210ab723121SJames Smart phba = tgtp->phba; 1211ab723121SJames Smart 1212ab723121SJames Smart rc = lpfc_issue_els_rscn(phba->pport, 0); 1213ab723121SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 1214ab723121SJames Smart "6420 NVMET subsystem change: Notification %s\n", 1215ab723121SJames Smart (rc) ? "Failed" : "Sent"); 1216ab723121SJames Smart } 1217ab723121SJames Smart 1218d613b6a7SJames Smart static struct nvmet_fc_target_template lpfc_tgttemplate = { 1219d613b6a7SJames Smart .targetport_delete = lpfc_nvmet_targetport_delete, 1220d613b6a7SJames Smart .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, 1221d613b6a7SJames Smart .fcp_op = lpfc_nvmet_xmt_fcp_op, 1222a97ec51bSJames Smart .fcp_abort = lpfc_nvmet_xmt_fcp_abort, 122319b58d94SJames Smart .fcp_req_release = lpfc_nvmet_xmt_fcp_release, 122450738420SJames Smart .defer_rcv = lpfc_nvmet_defer_rcv, 1225ab723121SJames Smart .discovery_event = lpfc_nvmet_discovery_event, 1226d613b6a7SJames Smart 1227d613b6a7SJames Smart .max_hw_queues = 1, 1228d613b6a7SJames Smart .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1229d613b6a7SJames Smart .max_dif_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, 1230d613b6a7SJames Smart .dma_boundary = 0xFFFFFFFF, 1231d613b6a7SJames Smart 1232d613b6a7SJames Smart /* optional features */ 1233d613b6a7SJames Smart .target_features = 0, 1234d613b6a7SJames Smart /* sizes of additional private data for data structures */ 1235d613b6a7SJames Smart .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), 1236d613b6a7SJames Smart }; 1237d613b6a7SJames Smart 123839aa23f9SColin Ian King static void 123966d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(struct lpfc_hba *phba, 124066d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop) 12416c621a22SJames Smart { 12426c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; 12436c621a22SJames Smart unsigned long flags; 12446c621a22SJames Smart 124566d7ce93SDick Kennedy spin_lock_irqsave(&infop->nvmet_ctx_list_lock, flags); 1246966bb5b7SJames Smart list_for_each_entry_safe(ctx_buf, next_ctx_buf, 124766d7ce93SDick Kennedy &infop->nvmet_ctx_list, list) { 12485e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 12496c621a22SJames Smart list_del_init(&ctx_buf->list); 12505e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 125166d7ce93SDick Kennedy 125266d7ce93SDick Kennedy __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); 12536c621a22SJames Smart ctx_buf->sglq->state = SGL_FREED; 12546c621a22SJames Smart ctx_buf->sglq->ndlp = NULL; 12556c621a22SJames Smart 1256c4031db7SDan Carpenter spin_lock(&phba->sli4_hba.sgl_list_lock); 12576c621a22SJames Smart list_add_tail(&ctx_buf->sglq->list, 12586c621a22SJames Smart &phba->sli4_hba.lpfc_nvmet_sgl_list); 1259c4031db7SDan Carpenter spin_unlock(&phba->sli4_hba.sgl_list_lock); 12606c621a22SJames Smart 12616c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 12626c621a22SJames Smart kfree(ctx_buf->context); 12636c621a22SJames Smart } 126466d7ce93SDick Kennedy spin_unlock_irqrestore(&infop->nvmet_ctx_list_lock, flags); 1265966bb5b7SJames Smart } 126666d7ce93SDick Kennedy 126766d7ce93SDick Kennedy static void 126866d7ce93SDick Kennedy lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) 126966d7ce93SDick Kennedy { 127066d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 127166d7ce93SDick Kennedy int i, j; 127266d7ce93SDick Kennedy 127366d7ce93SDick Kennedy /* The first context list, MRQ 0 CPU 0 */ 127466d7ce93SDick Kennedy infop = phba->sli4_hba.nvmet_ctx_info; 127566d7ce93SDick Kennedy if (!infop) 127666d7ce93SDick Kennedy return; 127766d7ce93SDick Kennedy 127866d7ce93SDick Kennedy /* Cycle the the entire CPU context list for every MRQ */ 127966d7ce93SDick Kennedy for (i = 0; i < phba->cfg_nvmet_mrq; i++) { 1280222e9239SJames Smart for_each_present_cpu(j) { 1281222e9239SJames Smart infop = lpfc_get_ctx_list(phba, j, i); 128266d7ce93SDick Kennedy __lpfc_nvmet_clean_io_for_cpu(phba, infop); 128366d7ce93SDick Kennedy } 128466d7ce93SDick Kennedy } 128566d7ce93SDick Kennedy kfree(phba->sli4_hba.nvmet_ctx_info); 128666d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = NULL; 12876c621a22SJames Smart } 12886c621a22SJames Smart 128939aa23f9SColin Ian King static int 12906c621a22SJames Smart lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) 12916c621a22SJames Smart { 12926c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 12936c621a22SJames Smart struct lpfc_iocbq *nvmewqe; 12946c621a22SJames Smart union lpfc_wqe128 *wqe; 129566d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *last_infop; 129666d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *infop; 1297222e9239SJames Smart int i, j, idx, cpu; 12986c621a22SJames Smart 12996c621a22SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME, 13006c621a22SJames Smart "6403 Allocate NVMET resources for %d XRIs\n", 13016c621a22SJames Smart phba->sli4_hba.nvmet_xri_cnt); 13026c621a22SJames Smart 130366d7ce93SDick Kennedy phba->sli4_hba.nvmet_ctx_info = kcalloc( 1304222e9239SJames Smart phba->sli4_hba.num_possible_cpu * phba->cfg_nvmet_mrq, 130566d7ce93SDick Kennedy sizeof(struct lpfc_nvmet_ctx_info), GFP_KERNEL); 130666d7ce93SDick Kennedy if (!phba->sli4_hba.nvmet_ctx_info) { 130766d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 130866d7ce93SDick Kennedy "6419 Failed allocate memory for " 130966d7ce93SDick Kennedy "nvmet context lists\n"); 131066d7ce93SDick Kennedy return -ENOMEM; 131166d7ce93SDick Kennedy } 131266d7ce93SDick Kennedy 131366d7ce93SDick Kennedy /* 131466d7ce93SDick Kennedy * Assuming X CPUs in the system, and Y MRQs, allocate some 131566d7ce93SDick Kennedy * lpfc_nvmet_ctx_info structures as follows: 131666d7ce93SDick Kennedy * 131766d7ce93SDick Kennedy * cpu0/mrq0 cpu1/mrq0 ... cpuX/mrq0 131866d7ce93SDick Kennedy * cpu0/mrq1 cpu1/mrq1 ... cpuX/mrq1 131966d7ce93SDick Kennedy * ... 132066d7ce93SDick Kennedy * cpuX/mrqY cpuX/mrqY ... cpuX/mrqY 132166d7ce93SDick Kennedy * 132266d7ce93SDick Kennedy * Each line represents a MRQ "silo" containing an entry for 132366d7ce93SDick Kennedy * every CPU. 132466d7ce93SDick Kennedy * 132566d7ce93SDick Kennedy * MRQ X is initially assumed to be associated with CPU X, thus 132666d7ce93SDick Kennedy * contexts are initially distributed across all MRQs using 132766d7ce93SDick Kennedy * the MRQ index (N) as follows cpuN/mrqN. When contexts are 132866d7ce93SDick Kennedy * freed, the are freed to the MRQ silo based on the CPU number 132966d7ce93SDick Kennedy * of the IO completion. Thus a context that was allocated for MRQ A 133066d7ce93SDick Kennedy * whose IO completed on CPU B will be freed to cpuB/mrqA. 133166d7ce93SDick Kennedy */ 1332222e9239SJames Smart for_each_possible_cpu(i) { 133366d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1334222e9239SJames Smart infop = lpfc_get_ctx_list(phba, i, j); 133566d7ce93SDick Kennedy INIT_LIST_HEAD(&infop->nvmet_ctx_list); 133666d7ce93SDick Kennedy spin_lock_init(&infop->nvmet_ctx_list_lock); 133766d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt = 0; 133866d7ce93SDick Kennedy } 133966d7ce93SDick Kennedy } 134066d7ce93SDick Kennedy 134166d7ce93SDick Kennedy /* 134266d7ce93SDick Kennedy * Setup the next CPU context info ptr for each MRQ. 134366d7ce93SDick Kennedy * MRQ 0 will cycle thru CPUs 0 - X separately from 134466d7ce93SDick Kennedy * MRQ 1 cycling thru CPUs 0 - X, and so on. 134566d7ce93SDick Kennedy */ 134666d7ce93SDick Kennedy for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 1347222e9239SJames Smart last_infop = lpfc_get_ctx_list(phba, 1348222e9239SJames Smart cpumask_first(cpu_present_mask), 1349222e9239SJames Smart j); 1350222e9239SJames Smart for (i = phba->sli4_hba.num_possible_cpu - 1; i >= 0; i--) { 135166d7ce93SDick Kennedy infop = lpfc_get_ctx_list(phba, i, j); 135266d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu = last_infop; 135366d7ce93SDick Kennedy last_infop = infop; 135466d7ce93SDick Kennedy } 135566d7ce93SDick Kennedy } 135666d7ce93SDick Kennedy 13576c621a22SJames Smart /* For all nvmet xris, allocate resources needed to process a 13586c621a22SJames Smart * received command on a per xri basis. 13596c621a22SJames Smart */ 136066d7ce93SDick Kennedy idx = 0; 1361222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 13626c621a22SJames Smart for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { 13636c621a22SJames Smart ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); 13646c621a22SJames Smart if (!ctx_buf) { 13656c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13666c621a22SJames Smart "6404 Ran out of memory for NVMET\n"); 13676c621a22SJames Smart return -ENOMEM; 13686c621a22SJames Smart } 13696c621a22SJames Smart 13706c621a22SJames Smart ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), 13716c621a22SJames Smart GFP_KERNEL); 13726c621a22SJames Smart if (!ctx_buf->context) { 13736c621a22SJames Smart kfree(ctx_buf); 13746c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13756c621a22SJames Smart "6405 Ran out of NVMET " 13766c621a22SJames Smart "context memory\n"); 13776c621a22SJames Smart return -ENOMEM; 13786c621a22SJames Smart } 13796c621a22SJames Smart ctx_buf->context->ctxbuf = ctx_buf; 1380ce1b591cSJames Smart ctx_buf->context->state = LPFC_NVMET_STE_FREE; 13816c621a22SJames Smart 13826c621a22SJames Smart ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); 13836c621a22SJames Smart if (!ctx_buf->iocbq) { 13846c621a22SJames Smart kfree(ctx_buf->context); 13856c621a22SJames Smart kfree(ctx_buf); 13866c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 13876c621a22SJames Smart "6406 Ran out of NVMET iocb/WQEs\n"); 13886c621a22SJames Smart return -ENOMEM; 13896c621a22SJames Smart } 13906c621a22SJames Smart ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; 13916c621a22SJames Smart nvmewqe = ctx_buf->iocbq; 1392205e8240SJames Smart wqe = &nvmewqe->wqe; 1393bd3061baSJames Smart 13946c621a22SJames Smart /* Initialize WQE */ 13956c621a22SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 13966c621a22SJames Smart 13976c621a22SJames Smart ctx_buf->iocbq->context1 = NULL; 13986c621a22SJames Smart spin_lock(&phba->sli4_hba.sgl_list_lock); 13996c621a22SJames Smart ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); 14006c621a22SJames Smart spin_unlock(&phba->sli4_hba.sgl_list_lock); 14016c621a22SJames Smart if (!ctx_buf->sglq) { 14026c621a22SJames Smart lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); 14036c621a22SJames Smart kfree(ctx_buf->context); 14046c621a22SJames Smart kfree(ctx_buf); 14056c621a22SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 14066c621a22SJames Smart "6407 Ran out of NVMET XRIs\n"); 14076c621a22SJames Smart return -ENOMEM; 14086c621a22SJames Smart } 1409472e146dSJames Smart INIT_WORK(&ctx_buf->defer_work, lpfc_nvmet_fcp_rqst_defer_work); 141066d7ce93SDick Kennedy 141166d7ce93SDick Kennedy /* 141266d7ce93SDick Kennedy * Add ctx to MRQidx context list. Our initial assumption 141366d7ce93SDick Kennedy * is MRQidx will be associated with CPUidx. This association 141466d7ce93SDick Kennedy * can change on the fly. 141566d7ce93SDick Kennedy */ 1416222e9239SJames Smart infop = lpfc_get_ctx_list(phba, cpu, idx); 141766d7ce93SDick Kennedy spin_lock(&infop->nvmet_ctx_list_lock); 141866d7ce93SDick Kennedy list_add_tail(&ctx_buf->list, &infop->nvmet_ctx_list); 141966d7ce93SDick Kennedy infop->nvmet_ctx_list_cnt++; 142066d7ce93SDick Kennedy spin_unlock(&infop->nvmet_ctx_list_lock); 142166d7ce93SDick Kennedy 142266d7ce93SDick Kennedy /* Spread ctx structures evenly across all MRQs */ 142366d7ce93SDick Kennedy idx++; 1424222e9239SJames Smart if (idx >= phba->cfg_nvmet_mrq) { 142566d7ce93SDick Kennedy idx = 0; 1426222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1427222e9239SJames Smart continue; 1428222e9239SJames Smart } 1429222e9239SJames Smart cpu = cpumask_next(cpu, cpu_present_mask); 1430222e9239SJames Smart if (cpu == nr_cpu_ids) 1431222e9239SJames Smart cpu = cpumask_first(cpu_present_mask); 1432222e9239SJames Smart 14336c621a22SJames Smart } 143466d7ce93SDick Kennedy 1435222e9239SJames Smart for_each_present_cpu(i) { 14362879265fSJames Smart for (j = 0; j < phba->cfg_nvmet_mrq; j++) { 14372879265fSJames Smart infop = lpfc_get_ctx_list(phba, i, j); 143866d7ce93SDick Kennedy lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_INIT, 143966d7ce93SDick Kennedy "6408 TOTAL NVMET ctx for CPU %d " 144032350664SJames Smart "MRQ %d: cnt %d nextcpu x%px\n", 144166d7ce93SDick Kennedy i, j, infop->nvmet_ctx_list_cnt, 144266d7ce93SDick Kennedy infop->nvmet_ctx_next_cpu); 144366d7ce93SDick Kennedy } 144466d7ce93SDick Kennedy } 14456c621a22SJames Smart return 0; 14466c621a22SJames Smart } 14476c621a22SJames Smart 1448d613b6a7SJames Smart int 1449d613b6a7SJames Smart lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 1450d613b6a7SJames Smart { 1451d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1452d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1453d613b6a7SJames Smart struct nvmet_fc_port_info pinfo; 14546c621a22SJames Smart int error; 1455d613b6a7SJames Smart 1456d613b6a7SJames Smart if (phba->targetport) 1457d613b6a7SJames Smart return 0; 1458d613b6a7SJames Smart 14596c621a22SJames Smart error = lpfc_nvmet_setup_io_context(phba); 14606c621a22SJames Smart if (error) 14616c621a22SJames Smart return error; 14626c621a22SJames Smart 1463d613b6a7SJames Smart memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); 1464d613b6a7SJames Smart pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); 1465d613b6a7SJames Smart pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); 1466d613b6a7SJames Smart pinfo.port_id = vport->fc_myDID; 1467d613b6a7SJames Smart 14685b9e70b2SJames Smart /* We need to tell the transport layer + 1 because it takes page 14695b9e70b2SJames Smart * alignment into account. When space for the SGL is allocated we 14705b9e70b2SJames Smart * allocate + 3, one for cmd, one for rsp and one for this alignment 14714d4c4a4aSJames Smart */ 14724d4c4a4aSJames Smart lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; 1473cdb42becSJames Smart lpfc_tgttemplate.max_hw_queues = phba->cfg_hdw_queue; 1474f485c18dSDick Kennedy lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP; 1475d613b6a7SJames Smart 14767d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1477d613b6a7SJames Smart error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, 1478d613b6a7SJames Smart &phba->pcidev->dev, 1479d613b6a7SJames Smart &phba->targetport); 1480166d7211SJames Smart #else 14816c621a22SJames Smart error = -ENOENT; 1482166d7211SJames Smart #endif 1483d613b6a7SJames Smart if (error) { 1484d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 1485e7981a2cSDick Kennedy "6025 Cannot register NVME targetport x%x: " 1486e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1487e7981a2cSDick Kennedy error, 1488e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1489e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1490e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1491d613b6a7SJames Smart phba->targetport = NULL; 1492e7981a2cSDick Kennedy phba->nvmet_support = 0; 14936c621a22SJames Smart 14946c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 14956c621a22SJames Smart 1496d613b6a7SJames Smart } else { 1497d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *) 1498d613b6a7SJames Smart phba->targetport->private; 1499d613b6a7SJames Smart tgtp->phba = phba; 1500d613b6a7SJames Smart 1501d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 1502d613b6a7SJames Smart "6026 Registered NVME " 150332350664SJames Smart "targetport: x%px, private x%px " 1504e7981a2cSDick Kennedy "portnm %llx nodenm %llx segs %d qs %d\n", 1505d613b6a7SJames Smart phba->targetport, tgtp, 1506e7981a2cSDick Kennedy pinfo.port_name, pinfo.node_name, 1507e7981a2cSDick Kennedy lpfc_tgttemplate.max_sgl_segments, 1508e7981a2cSDick Kennedy lpfc_tgttemplate.max_hw_queues); 1509d613b6a7SJames Smart 1510d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_in, 0); 1511d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_out, 0); 1512d613b6a7SJames Smart atomic_set(&tgtp->rcv_ls_req_drop, 0); 1513d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_abort, 0); 1514547077a4SJames Smart atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); 1515d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp, 0); 1516d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_drop, 0); 1517d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_error, 0); 15184b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_xb_set, 0); 15194b056682SJames Smart atomic_set(&tgtp->xmt_ls_rsp_aborted, 0); 1520d613b6a7SJames Smart atomic_set(&tgtp->xmt_ls_rsp_cmpl, 0); 1521d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_in, 0); 1522d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_out, 0); 1523d613b6a7SJames Smart atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); 1524d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_drop, 0); 1525d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read_rsp, 0); 1526d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_read, 0); 1527d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_write, 0); 1528d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp, 0); 1529547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_release, 0); 1530d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); 1531d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_error, 0); 15324b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_xb_set, 0); 15334b056682SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_aborted, 0); 1534d613b6a7SJames Smart atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); 15354b056682SJames Smart atomic_set(&tgtp->xmt_fcp_xri_abort_cqe, 0); 1536547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort, 0); 1537547077a4SJames Smart atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); 1538547077a4SJames Smart atomic_set(&tgtp->xmt_abort_unsol, 0); 1539547077a4SJames Smart atomic_set(&tgtp->xmt_abort_sol, 0); 1540d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp, 0); 1541d613b6a7SJames Smart atomic_set(&tgtp->xmt_abort_rsp_error, 0); 1542411de511SJames Smart atomic_set(&tgtp->defer_ctx, 0); 1543411de511SJames Smart atomic_set(&tgtp->defer_fod, 0); 1544411de511SJames Smart atomic_set(&tgtp->defer_wqfull, 0); 1545d613b6a7SJames Smart } 1546d613b6a7SJames Smart return error; 1547d613b6a7SJames Smart } 1548d613b6a7SJames Smart 1549d613b6a7SJames Smart int 1550d613b6a7SJames Smart lpfc_nvmet_update_targetport(struct lpfc_hba *phba) 1551d613b6a7SJames Smart { 1552d613b6a7SJames Smart struct lpfc_vport *vport = phba->pport; 1553d613b6a7SJames Smart 1554d613b6a7SJames Smart if (!phba->targetport) 1555d613b6a7SJames Smart return 0; 1556d613b6a7SJames Smart 1557d613b6a7SJames Smart lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, 155832350664SJames Smart "6007 Update NVMET port x%px did x%x\n", 1559d613b6a7SJames Smart phba->targetport, vport->fc_myDID); 1560d613b6a7SJames Smart 1561d613b6a7SJames Smart phba->targetport->port_id = vport->fc_myDID; 1562d613b6a7SJames Smart return 0; 1563d613b6a7SJames Smart } 1564d613b6a7SJames Smart 1565318083adSJames Smart /** 1566318083adSJames Smart * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort 1567318083adSJames Smart * @phba: pointer to lpfc hba data structure. 1568318083adSJames Smart * @axri: pointer to the nvmet xri abort wcqe structure. 1569318083adSJames Smart * 1570318083adSJames Smart * This routine is invoked by the worker thread to process a SLI4 fast-path 1571318083adSJames Smart * NVMET aborted xri. 1572318083adSJames Smart **/ 1573318083adSJames Smart void 1574318083adSJames Smart lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 1575318083adSJames Smart struct sli4_wcqe_xri_aborted *axri) 1576318083adSJames Smart { 157732b93865SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 157886c67379SJames Smart uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); 157986c67379SJames Smart uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); 158086c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 15814b056682SJames Smart struct lpfc_nvmet_tgtport *tgtp; 158279d8c4ceSJames Smart struct nvmefc_tgt_fcp_req *req = NULL; 158386c67379SJames Smart struct lpfc_nodelist *ndlp; 158486c67379SJames Smart unsigned long iflag = 0; 158586c67379SJames Smart int rrq_empty = 0; 158686c67379SJames Smart bool released = false; 158786c67379SJames Smart 158886c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 158986c67379SJames Smart "6317 XB aborted xri x%x rxid x%x\n", xri, rxid); 159086c67379SJames Smart 159186c67379SJames Smart if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) 159286c67379SJames Smart return; 15934b056682SJames Smart 15944b056682SJames Smart if (phba->targetport) { 15954b056682SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 15964b056682SJames Smart atomic_inc(&tgtp->xmt_fcp_xri_abort_cqe); 15974b056682SJames Smart } 15984b056682SJames Smart 159986c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 16005e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 160186c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 160286c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 160386c67379SJames Smart list) { 16046c621a22SJames Smart if (ctxp->ctxbuf->sglq->sli4_xritag != xri) 160586c67379SJames Smart continue; 160686c67379SJames Smart 1607c160c0f8SJames Smart spin_lock(&ctxp->ctxlock); 160886c67379SJames Smart /* Check if we already received a free context call 160986c67379SJames Smart * and we have completed processing an abort situation. 161086c67379SJames Smart */ 161186c67379SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS && 161286c67379SJames Smart !(ctxp->flag & LPFC_NVMET_ABORT_OP)) { 161379d8c4ceSJames Smart list_del_init(&ctxp->list); 161486c67379SJames Smart released = true; 161586c67379SJames Smart } 161686c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_XBUSY; 1617c160c0f8SJames Smart spin_unlock(&ctxp->ctxlock); 16185e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 161986c67379SJames Smart 162086c67379SJames Smart rrq_empty = list_empty(&phba->active_rrq_list); 162186c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 162286c67379SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 162386c67379SJames Smart if (ndlp && NLP_CHK_NODE_ACT(ndlp) && 162486c67379SJames Smart (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || 162586c67379SJames Smart ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { 162686c67379SJames Smart lpfc_set_rrq_active(phba, ndlp, 16276c621a22SJames Smart ctxp->ctxbuf->sglq->sli4_lxritag, 162886c67379SJames Smart rxid, 1); 162986c67379SJames Smart lpfc_sli4_abts_err_handler(phba, ndlp, axri); 163086c67379SJames Smart } 163186c67379SJames Smart 163286c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 163379d8c4ceSJames Smart "6318 XB aborted oxid x%x flg x%x (%x)\n", 163486c67379SJames Smart ctxp->oxid, ctxp->flag, released); 163586c67379SJames Smart if (released) 16366c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 16376c621a22SJames Smart 163886c67379SJames Smart if (rrq_empty) 163986c67379SJames Smart lpfc_worker_wake_up(phba); 164086c67379SJames Smart return; 164186c67379SJames Smart } 16425e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 164386c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 164479d8c4ceSJames Smart 164579d8c4ceSJames Smart ctxp = lpfc_nvmet_get_ctx_for_xri(phba, xri); 164679d8c4ceSJames Smart if (ctxp) { 164779d8c4ceSJames Smart /* 164879d8c4ceSJames Smart * Abort already done by FW, so BA_ACC sent. 164979d8c4ceSJames Smart * However, the transport may be unaware. 165079d8c4ceSJames Smart */ 165179d8c4ceSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 165279d8c4ceSJames Smart "6323 NVMET Rcv ABTS xri x%x ctxp state x%x " 165379d8c4ceSJames Smart "flag x%x oxid x%x rxid x%x\n", 165479d8c4ceSJames Smart xri, ctxp->state, ctxp->flag, ctxp->oxid, 165579d8c4ceSJames Smart rxid); 165679d8c4ceSJames Smart 165779d8c4ceSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 165879d8c4ceSJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 165979d8c4ceSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 166079d8c4ceSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 166179d8c4ceSJames Smart 166279d8c4ceSJames Smart lpfc_nvmeio_data(phba, 166379d8c4ceSJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 166401d53c04SJames Smart xri, raw_smp_processor_id(), 0); 166579d8c4ceSJames Smart 166679d8c4ceSJames Smart req = &ctxp->ctx.fcp_req; 166779d8c4ceSJames Smart if (req) 166879d8c4ceSJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, req); 166979d8c4ceSJames Smart } 167032b93865SJames Smart #endif 167186c67379SJames Smart } 167286c67379SJames Smart 167386c67379SJames Smart int 167486c67379SJames Smart lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, 167586c67379SJames Smart struct fc_frame_header *fc_hdr) 167686c67379SJames Smart { 167786c67379SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 167886c67379SJames Smart struct lpfc_hba *phba = vport->phba; 167986c67379SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp; 168086c67379SJames Smart struct nvmefc_tgt_fcp_req *rsp; 168132b93865SJames Smart uint32_t sid; 168279d8c4ceSJames Smart uint16_t oxid, xri; 168386c67379SJames Smart unsigned long iflag = 0; 168486c67379SJames Smart 168532b93865SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 168679d8c4ceSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 168786c67379SJames Smart 168886c67379SJames Smart spin_lock_irqsave(&phba->hbalock, iflag); 16895e5b511dSJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 169086c67379SJames Smart list_for_each_entry_safe(ctxp, next_ctxp, 169186c67379SJames Smart &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, 169286c67379SJames Smart list) { 169379d8c4ceSJames Smart if (ctxp->oxid != oxid || ctxp->sid != sid) 169486c67379SJames Smart continue; 169586c67379SJames Smart 169632b93865SJames Smart xri = ctxp->ctxbuf->sglq->sli4_xritag; 169732b93865SJames Smart 16985e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 169986c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 170086c67379SJames Smart 170186c67379SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 170286c67379SJames Smart ctxp->flag |= LPFC_NVMET_ABTS_RCV; 170386c67379SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 170486c67379SJames Smart 170586c67379SJames Smart lpfc_nvmeio_data(phba, 170686c67379SJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 1707d6d189ceSBart Van Assche xri, raw_smp_processor_id(), 0); 170886c67379SJames Smart 170986c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 171086c67379SJames Smart "6319 NVMET Rcv ABTS:acc xri x%x\n", xri); 171186c67379SJames Smart 171286c67379SJames Smart rsp = &ctxp->ctx.fcp_req; 171386c67379SJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, rsp); 171486c67379SJames Smart 171586c67379SJames Smart /* Respond with BA_ACC accordingly */ 171686c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 171786c67379SJames Smart return 0; 171886c67379SJames Smart } 17195e5b511dSJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 172086c67379SJames Smart spin_unlock_irqrestore(&phba->hbalock, iflag); 172186c67379SJames Smart 172279d8c4ceSJames Smart /* check the wait list */ 172379d8c4ceSJames Smart if (phba->sli4_hba.nvmet_io_wait_cnt) { 172479d8c4ceSJames Smart struct rqb_dmabuf *nvmebuf; 172579d8c4ceSJames Smart struct fc_frame_header *fc_hdr_tmp; 172679d8c4ceSJames Smart u32 sid_tmp; 172779d8c4ceSJames Smart u16 oxid_tmp; 172879d8c4ceSJames Smart bool found = false; 172979d8c4ceSJames Smart 173079d8c4ceSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 173179d8c4ceSJames Smart 173279d8c4ceSJames Smart /* match by oxid and s_id */ 173379d8c4ceSJames Smart list_for_each_entry(nvmebuf, 173479d8c4ceSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list, 173579d8c4ceSJames Smart hbuf.list) { 173679d8c4ceSJames Smart fc_hdr_tmp = (struct fc_frame_header *) 173779d8c4ceSJames Smart (nvmebuf->hbuf.virt); 173879d8c4ceSJames Smart oxid_tmp = be16_to_cpu(fc_hdr_tmp->fh_ox_id); 173979d8c4ceSJames Smart sid_tmp = sli4_sid_from_fc_hdr(fc_hdr_tmp); 174079d8c4ceSJames Smart if (oxid_tmp != oxid || sid_tmp != sid) 174179d8c4ceSJames Smart continue; 174286c67379SJames Smart 174386c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 174479d8c4ceSJames Smart "6321 NVMET Rcv ABTS oxid x%x from x%x " 174579d8c4ceSJames Smart "is waiting for a ctxp\n", 174679d8c4ceSJames Smart oxid, sid); 174779d8c4ceSJames Smart 174879d8c4ceSJames Smart list_del_init(&nvmebuf->hbuf.list); 174979d8c4ceSJames Smart phba->sli4_hba.nvmet_io_wait_cnt--; 175079d8c4ceSJames Smart found = true; 175179d8c4ceSJames Smart break; 175279d8c4ceSJames Smart } 175379d8c4ceSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 175479d8c4ceSJames Smart iflag); 175579d8c4ceSJames Smart 175679d8c4ceSJames Smart /* free buffer since already posted a new DMA buffer to RQ */ 175779d8c4ceSJames Smart if (found) { 175879d8c4ceSJames Smart nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); 175979d8c4ceSJames Smart /* Respond with BA_ACC accordingly */ 176079d8c4ceSJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 176179d8c4ceSJames Smart return 0; 176279d8c4ceSJames Smart } 176379d8c4ceSJames Smart } 176479d8c4ceSJames Smart 176579d8c4ceSJames Smart /* check active list */ 176679d8c4ceSJames Smart ctxp = lpfc_nvmet_get_ctx_for_oxid(phba, oxid, sid); 176779d8c4ceSJames Smart if (ctxp) { 176879d8c4ceSJames Smart xri = ctxp->ctxbuf->sglq->sli4_xritag; 176979d8c4ceSJames Smart 177079d8c4ceSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 177179d8c4ceSJames Smart ctxp->flag |= (LPFC_NVMET_ABTS_RCV | LPFC_NVMET_ABORT_OP); 177279d8c4ceSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 177379d8c4ceSJames Smart 177479d8c4ceSJames Smart lpfc_nvmeio_data(phba, 177579d8c4ceSJames Smart "NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n", 177679d8c4ceSJames Smart xri, raw_smp_processor_id(), 0); 177779d8c4ceSJames Smart 177879d8c4ceSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 177979d8c4ceSJames Smart "6322 NVMET Rcv ABTS:acc oxid x%x xri x%x " 178079d8c4ceSJames Smart "flag x%x state x%x\n", 178179d8c4ceSJames Smart ctxp->oxid, xri, ctxp->flag, ctxp->state); 178279d8c4ceSJames Smart 178379d8c4ceSJames Smart if (ctxp->flag & LPFC_NVMET_TNOTIFY) { 178479d8c4ceSJames Smart /* Notify the transport */ 178579d8c4ceSJames Smart nvmet_fc_rcv_fcp_abort(phba->targetport, 178679d8c4ceSJames Smart &ctxp->ctx.fcp_req); 178779d8c4ceSJames Smart } else { 17886594d31bSJames Smart cancel_work_sync(&ctxp->ctxbuf->defer_work); 178979d8c4ceSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 179079d8c4ceSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 179179d8c4ceSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 179279d8c4ceSJames Smart } 179379d8c4ceSJames Smart lpfc_nvmet_sol_fcp_issue_abort(phba, ctxp, ctxp->sid, 179479d8c4ceSJames Smart ctxp->oxid); 179579d8c4ceSJames Smart 17966594d31bSJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 1); 179779d8c4ceSJames Smart return 0; 179879d8c4ceSJames Smart } 179979d8c4ceSJames Smart 180079d8c4ceSJames Smart lpfc_nvmeio_data(phba, "NVMET ABTS RCV: oxid x%x CPU %02x rjt %d\n", 180179d8c4ceSJames Smart oxid, raw_smp_processor_id(), 1); 180279d8c4ceSJames Smart 180379d8c4ceSJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 180479d8c4ceSJames Smart "6320 NVMET Rcv ABTS:rjt oxid x%x\n", oxid); 180586c67379SJames Smart 180686c67379SJames Smart /* Respond with BA_RJT accordingly */ 180786c67379SJames Smart lpfc_sli4_seq_abort_rsp(vport, fc_hdr, 0); 180886c67379SJames Smart #endif 1809b06e13c3SJens Axboe return 0; 1810318083adSJames Smart } 1811318083adSJames Smart 18126e8e1c14SJames Smart static void 18136e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, 18146e8e1c14SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 18156e8e1c14SJames Smart { 18166e8e1c14SJames Smart struct lpfc_sli_ring *pring; 18176e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 18186e8e1c14SJames Smart struct lpfc_iocbq *next_nvmewqeq; 18196e8e1c14SJames Smart unsigned long iflags; 18206e8e1c14SJames Smart struct lpfc_wcqe_complete wcqe; 18216e8e1c14SJames Smart struct lpfc_wcqe_complete *wcqep; 18226e8e1c14SJames Smart 18236e8e1c14SJames Smart pring = wq->pring; 18246e8e1c14SJames Smart wcqep = &wcqe; 18256e8e1c14SJames Smart 18266e8e1c14SJames Smart /* Fake an ABORT error code back to cmpl routine */ 18276e8e1c14SJames Smart memset(wcqep, 0, sizeof(struct lpfc_wcqe_complete)); 18286e8e1c14SJames Smart bf_set(lpfc_wcqe_c_status, wcqep, IOSTAT_LOCAL_REJECT); 18296e8e1c14SJames Smart wcqep->parameter = IOERR_ABORT_REQUESTED; 18306e8e1c14SJames Smart 18316e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 18326e8e1c14SJames Smart list_for_each_entry_safe(nvmewqeq, next_nvmewqeq, 18336e8e1c14SJames Smart &wq->wqfull_list, list) { 18346e8e1c14SJames Smart if (ctxp) { 18356e8e1c14SJames Smart /* Checking for a specific IO to flush */ 18366e8e1c14SJames Smart if (nvmewqeq->context2 == ctxp) { 18376e8e1c14SJames Smart list_del(&nvmewqeq->list); 18386e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, 18396e8e1c14SJames Smart iflags); 18406e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, 18416e8e1c14SJames Smart wcqep); 18426e8e1c14SJames Smart return; 18436e8e1c14SJames Smart } 18446e8e1c14SJames Smart continue; 18456e8e1c14SJames Smart } else { 18466e8e1c14SJames Smart /* Flush all IOs */ 18476e8e1c14SJames Smart list_del(&nvmewqeq->list); 18486e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 18496e8e1c14SJames Smart lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, wcqep); 18506e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 18516e8e1c14SJames Smart } 18526e8e1c14SJames Smart } 18536e8e1c14SJames Smart if (!ctxp) 18546e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 18556e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 18566e8e1c14SJames Smart } 18576e8e1c14SJames Smart 18586e8e1c14SJames Smart void 18596e8e1c14SJames Smart lpfc_nvmet_wqfull_process(struct lpfc_hba *phba, 18606e8e1c14SJames Smart struct lpfc_queue *wq) 18616e8e1c14SJames Smart { 18626e8e1c14SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 18636e8e1c14SJames Smart struct lpfc_sli_ring *pring; 18646e8e1c14SJames Smart struct lpfc_iocbq *nvmewqeq; 18651fbf9742SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 18666e8e1c14SJames Smart unsigned long iflags; 18676e8e1c14SJames Smart int rc; 18686e8e1c14SJames Smart 18696e8e1c14SJames Smart /* 18706e8e1c14SJames Smart * Some WQE slots are available, so try to re-issue anything 18716e8e1c14SJames Smart * on the WQ wqfull_list. 18726e8e1c14SJames Smart */ 18736e8e1c14SJames Smart pring = wq->pring; 18746e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 18756e8e1c14SJames Smart while (!list_empty(&wq->wqfull_list)) { 18766e8e1c14SJames Smart list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq, 18776e8e1c14SJames Smart list); 18786e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 18791fbf9742SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)nvmewqeq->context2; 18801fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq); 18816e8e1c14SJames Smart spin_lock_irqsave(&pring->ring_lock, iflags); 18826e8e1c14SJames Smart if (rc == -EBUSY) { 18836e8e1c14SJames Smart /* WQ was full again, so put it back on the list */ 18846e8e1c14SJames Smart list_add(&nvmewqeq->list, &wq->wqfull_list); 18856e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 18866e8e1c14SJames Smart return; 18876e8e1c14SJames Smart } 188879d8c4ceSJames Smart if (rc == WQE_SUCCESS) { 188979d8c4ceSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 189079d8c4ceSJames Smart if (ctxp->ts_cmd_nvme) { 189179d8c4ceSJames Smart if (ctxp->ctx.fcp_req.op == NVMET_FCOP_RSP) 189279d8c4ceSJames Smart ctxp->ts_status_wqput = ktime_get_ns(); 189379d8c4ceSJames Smart else 189479d8c4ceSJames Smart ctxp->ts_data_wqput = ktime_get_ns(); 189579d8c4ceSJames Smart } 189679d8c4ceSJames Smart #endif 189779d8c4ceSJames Smart } else { 189879d8c4ceSJames Smart WARN_ON(rc); 189979d8c4ceSJames Smart } 19006e8e1c14SJames Smart } 19016e8e1c14SJames Smart wq->q_flag &= ~HBA_NVMET_WQFULL; 19026e8e1c14SJames Smart spin_unlock_irqrestore(&pring->ring_lock, iflags); 19036e8e1c14SJames Smart 19046e8e1c14SJames Smart #endif 19056e8e1c14SJames Smart } 19066e8e1c14SJames Smart 1907d613b6a7SJames Smart void 1908d613b6a7SJames Smart lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 1909d613b6a7SJames Smart { 19107d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1911d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 19126e8e1c14SJames Smart struct lpfc_queue *wq; 19136e8e1c14SJames Smart uint32_t qidx; 1914c41f5988SEwan D. Milne DECLARE_COMPLETION_ONSTACK(tport_unreg_cmp); 1915d613b6a7SJames Smart 1916d613b6a7SJames Smart if (phba->nvmet_support == 0) 1917d613b6a7SJames Smart return; 1918d613b6a7SJames Smart if (phba->targetport) { 1919d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1920cdb42becSJames Smart for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { 1921c00f62e6SJames Smart wq = phba->sli4_hba.hdwq[qidx].io_wq; 19226e8e1c14SJames Smart lpfc_nvmet_wqfull_flush(phba, wq, NULL); 19236e8e1c14SJames Smart } 1924c41f5988SEwan D. Milne tgtp->tport_unreg_cmp = &tport_unreg_cmp; 1925d613b6a7SJames Smart nvmet_fc_unregister_targetport(phba->targetport); 19262a0fb340SJames Smart if (!wait_for_completion_timeout(tgtp->tport_unreg_cmp, 19272a0fb340SJames Smart msecs_to_jiffies(LPFC_NVMET_WAIT_TMO))) 19282a0fb340SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 192932350664SJames Smart "6179 Unreg targetport x%px timeout " 19302a0fb340SJames Smart "reached.\n", phba->targetport); 19316c621a22SJames Smart lpfc_nvmet_cleanup_io_context(phba); 1932d613b6a7SJames Smart } 1933d613b6a7SJames Smart phba->targetport = NULL; 1934166d7211SJames Smart #endif 1935d613b6a7SJames Smart } 1936d613b6a7SJames Smart 1937d613b6a7SJames Smart /** 1938d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer 1939d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 1940d613b6a7SJames Smart * @pring: pointer to a SLI ring. 1941d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 1942d613b6a7SJames Smart * 1943d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 1944d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 1945d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 1946d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 1947d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 1948d613b6a7SJames Smart * of the discovery state machine. 1949d613b6a7SJames Smart **/ 1950d613b6a7SJames Smart static void 1951d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 1952d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf) 1953d613b6a7SJames Smart { 19547d708033SJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 1955d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 1956d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 1957d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 1958d613b6a7SJames Smart uint32_t *payload; 1959d613b6a7SJames Smart uint32_t size, oxid, sid, rc; 1960d613b6a7SJames Smart 196168c9b55dSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 196268c9b55dSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 196368c9b55dSJames Smart 1964cc74e31dSColin Ian King if (!phba->targetport) { 1965d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 196668c9b55dSJames Smart "6154 LS Drop IO x%x\n", oxid); 19672b65e182SJames Smart oxid = 0; 19682b65e182SJames Smart size = 0; 19692b65e182SJames Smart sid = 0; 1970547077a4SJames Smart ctxp = NULL; 1971d613b6a7SJames Smart goto dropit; 1972d613b6a7SJames Smart } 1973d613b6a7SJames Smart 1974d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 1975d613b6a7SJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 1976d613b6a7SJames Smart size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); 1977d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 1978d613b6a7SJames Smart 1979d613b6a7SJames Smart ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC); 1980d613b6a7SJames Smart if (ctxp == NULL) { 1981d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 1982d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 1983d613b6a7SJames Smart "6155 LS Drop IO x%x: Alloc\n", 1984d613b6a7SJames Smart oxid); 1985d613b6a7SJames Smart dropit: 19862b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: " 19872b65e182SJames Smart "xri x%x sz %d from %06x\n", 19882b65e182SJames Smart oxid, size, sid); 1989d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 1990d613b6a7SJames Smart return; 1991d613b6a7SJames Smart } 1992d613b6a7SJames Smart ctxp->phba = phba; 1993d613b6a7SJames Smart ctxp->size = size; 1994d613b6a7SJames Smart ctxp->oxid = oxid; 1995d613b6a7SJames Smart ctxp->sid = sid; 1996d613b6a7SJames Smart ctxp->wqeq = NULL; 1997ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_RCV; 1998ce1b591cSJames Smart ctxp->entry_cnt = 1; 1999d613b6a7SJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 20001fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[0]; 20012b65e182SJames Smart 20022b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n", 20032b65e182SJames Smart oxid, size, sid); 2004d613b6a7SJames Smart /* 2005d613b6a7SJames Smart * The calling sequence should be: 2006d613b6a7SJames Smart * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done 2007d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp. 2008d613b6a7SJames Smart */ 2009d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_in); 2010d613b6a7SJames Smart rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req, 2011d613b6a7SJames Smart payload, size); 2012d613b6a7SJames Smart 2013d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 2014ce1b591cSJames Smart "6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x " 2015ce1b591cSJames Smart "%08x %08x %08x\n", size, rc, 2016d613b6a7SJames Smart *payload, *(payload+1), *(payload+2), 2017d613b6a7SJames Smart *(payload+3), *(payload+4), *(payload+5)); 20182b65e182SJames Smart 2019d613b6a7SJames Smart if (rc == 0) { 2020d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_out); 2021d613b6a7SJames Smart return; 2022d613b6a7SJames Smart } 20232b65e182SJames Smart 20242b65e182SJames Smart lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n", 20252b65e182SJames Smart oxid, size, sid); 20262b65e182SJames Smart 2027d613b6a7SJames Smart atomic_inc(&tgtp->rcv_ls_req_drop); 2028d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2029d613b6a7SJames Smart "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n", 2030d613b6a7SJames Smart ctxp->oxid, rc); 2031d613b6a7SJames Smart 2032d613b6a7SJames Smart /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ 2033d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 2034d613b6a7SJames Smart 2035d613b6a7SJames Smart atomic_inc(&tgtp->xmt_ls_abort); 2036d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); 2037166d7211SJames Smart #endif 2038d613b6a7SJames Smart } 2039d613b6a7SJames Smart 2040472e146dSJames Smart static void 2041472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf) 2042472e146dSJames Smart { 2043472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 2044472e146dSJames Smart struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; 2045472e146dSJames Smart struct lpfc_hba *phba = ctxp->phba; 2046472e146dSJames Smart struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; 2047472e146dSJames Smart struct lpfc_nvmet_tgtport *tgtp; 20484552e0f6SJames Smart uint32_t *payload, qno; 2049472e146dSJames Smart uint32_t rc; 2050472e146dSJames Smart unsigned long iflags; 2051472e146dSJames Smart 2052472e146dSJames Smart if (!nvmebuf) { 2053472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2054472e146dSJames Smart "6159 process_rcv_fcp_req, nvmebuf is NULL, " 2055472e146dSJames Smart "oxid: x%x flg: x%x state: x%x\n", 2056472e146dSJames Smart ctxp->oxid, ctxp->flag, ctxp->state); 2057472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 2058472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 2059472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 2060472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, 2061472e146dSJames Smart ctxp->oxid); 2062472e146dSJames Smart return; 2063472e146dSJames Smart } 2064472e146dSJames Smart 206579d8c4ceSJames Smart if (ctxp->flag & LPFC_NVMET_ABTS_RCV) { 206679d8c4ceSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 206779d8c4ceSJames Smart "6324 IO oxid x%x aborted\n", 206879d8c4ceSJames Smart ctxp->oxid); 206979d8c4ceSJames Smart return; 207079d8c4ceSJames Smart } 207179d8c4ceSJames Smart 2072472e146dSJames Smart payload = (uint32_t *)(nvmebuf->dbuf.virt); 2073472e146dSJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 207479d8c4ceSJames Smart ctxp->flag |= LPFC_NVMET_TNOTIFY; 2075d74a89aaSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2076d74a89aaSJames Smart if (ctxp->ts_isr_cmd) 2077d74a89aaSJames Smart ctxp->ts_cmd_nvme = ktime_get_ns(); 2078d74a89aaSJames Smart #endif 2079472e146dSJames Smart /* 2080472e146dSJames Smart * The calling sequence should be: 2081472e146dSJames Smart * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done 2082472e146dSJames Smart * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. 2083472e146dSJames Smart * When we return from nvmet_fc_rcv_fcp_req, all relevant info 2084472e146dSJames Smart * the NVME command / FC header is stored. 2085472e146dSJames Smart * A buffer has already been reposted for this IO, so just free 2086472e146dSJames Smart * the nvmebuf. 2087472e146dSJames Smart */ 2088472e146dSJames Smart rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, 2089472e146dSJames Smart payload, ctxp->size); 2090472e146dSJames Smart /* Process FCP command */ 2091472e146dSJames Smart if (rc == 0) { 2092472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 20934552e0f6SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 20944552e0f6SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) || 20954552e0f6SJames Smart (nvmebuf != ctxp->rqb_buffer)) { 20964552e0f6SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 20974552e0f6SJames Smart return; 20984552e0f6SJames Smart } 20994552e0f6SJames Smart ctxp->rqb_buffer = NULL; 21004552e0f6SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 21014552e0f6SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ 2102472e146dSJames Smart return; 2103472e146dSJames Smart } 2104472e146dSJames Smart 2105472e146dSJames Smart /* Processing of FCP command is deferred */ 2106472e146dSJames Smart if (rc == -EOVERFLOW) { 2107472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET RCV BUSY: xri x%x sz %d " 2108472e146dSJames Smart "from %06x\n", 2109472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 2110472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_out); 2111472e146dSJames Smart atomic_inc(&tgtp->defer_fod); 21124552e0f6SJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 21134552e0f6SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) { 21144552e0f6SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 21154552e0f6SJames Smart return; 21164552e0f6SJames Smart } 21174552e0f6SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 21184552e0f6SJames Smart /* 21194552e0f6SJames Smart * Post a replacement DMA buffer to RQ and defer 21204552e0f6SJames Smart * freeing rcv buffer till .defer_rcv callback 21214552e0f6SJames Smart */ 21224552e0f6SJames Smart qno = nvmebuf->idx; 21234552e0f6SJames Smart lpfc_post_rq_buffer( 21244552e0f6SJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 21254552e0f6SJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 2126472e146dSJames Smart return; 2127472e146dSJames Smart } 212879d8c4ceSJames Smart ctxp->flag &= ~LPFC_NVMET_TNOTIFY; 2129472e146dSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 2130472e146dSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2131472e146dSJames Smart "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", 2132472e146dSJames Smart ctxp->oxid, rc, 2133472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 2134472e146dSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 2135472e146dSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 2136472e146dSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", 2137472e146dSJames Smart ctxp->oxid, ctxp->size, ctxp->sid); 2138472e146dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflags); 2139472e146dSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 2140472e146dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflags); 2141472e146dSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); 2142472e146dSJames Smart #endif 2143472e146dSJames Smart } 2144472e146dSJames Smart 2145472e146dSJames Smart static void 2146472e146dSJames Smart lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *work) 2147472e146dSJames Smart { 2148472e146dSJames Smart #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 2149472e146dSJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf = 2150472e146dSJames Smart container_of(work, struct lpfc_nvmet_ctxbuf, defer_work); 2151472e146dSJames Smart 2152472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 2153472e146dSJames Smart #endif 2154472e146dSJames Smart } 2155472e146dSJames Smart 215666d7ce93SDick Kennedy static struct lpfc_nvmet_ctxbuf * 215766d7ce93SDick Kennedy lpfc_nvmet_replenish_context(struct lpfc_hba *phba, 215866d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop) 215966d7ce93SDick Kennedy { 21602299e432SDick Kennedy #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) 216166d7ce93SDick Kennedy struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; 216266d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *get_infop; 216366d7ce93SDick Kennedy int i; 216466d7ce93SDick Kennedy 216566d7ce93SDick Kennedy /* 216666d7ce93SDick Kennedy * The current_infop for the MRQ a NVME command IU was received 216766d7ce93SDick Kennedy * on is empty. Our goal is to replenish this MRQs context 216866d7ce93SDick Kennedy * list from a another CPUs. 216966d7ce93SDick Kennedy * 217066d7ce93SDick Kennedy * First we need to pick a context list to start looking on. 217166d7ce93SDick Kennedy * nvmet_ctx_start_cpu has available context the last time 217266d7ce93SDick Kennedy * we needed to replenish this CPU where nvmet_ctx_next_cpu 217366d7ce93SDick Kennedy * is just the next sequential CPU for this MRQ. 217466d7ce93SDick Kennedy */ 217566d7ce93SDick Kennedy if (current_infop->nvmet_ctx_start_cpu) 217666d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_start_cpu; 217766d7ce93SDick Kennedy else 217866d7ce93SDick Kennedy get_infop = current_infop->nvmet_ctx_next_cpu; 217966d7ce93SDick Kennedy 2180222e9239SJames Smart for (i = 0; i < phba->sli4_hba.num_possible_cpu; i++) { 218166d7ce93SDick Kennedy if (get_infop == current_infop) { 218266d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 218366d7ce93SDick Kennedy continue; 218466d7ce93SDick Kennedy } 218566d7ce93SDick Kennedy spin_lock(&get_infop->nvmet_ctx_list_lock); 218666d7ce93SDick Kennedy 218766d7ce93SDick Kennedy /* Just take the entire context list, if there are any */ 218866d7ce93SDick Kennedy if (get_infop->nvmet_ctx_list_cnt) { 218966d7ce93SDick Kennedy list_splice_init(&get_infop->nvmet_ctx_list, 219066d7ce93SDick Kennedy ¤t_infop->nvmet_ctx_list); 219166d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt = 219266d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt - 1; 219366d7ce93SDick Kennedy get_infop->nvmet_ctx_list_cnt = 0; 219466d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 219566d7ce93SDick Kennedy 219666d7ce93SDick Kennedy current_infop->nvmet_ctx_start_cpu = get_infop; 219766d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 219866d7ce93SDick Kennedy ctx_buf, struct lpfc_nvmet_ctxbuf, 219966d7ce93SDick Kennedy list); 220066d7ce93SDick Kennedy return ctx_buf; 220166d7ce93SDick Kennedy } 220266d7ce93SDick Kennedy 220366d7ce93SDick Kennedy /* Otherwise, move on to the next CPU for this MRQ */ 220466d7ce93SDick Kennedy spin_unlock(&get_infop->nvmet_ctx_list_lock); 220566d7ce93SDick Kennedy get_infop = get_infop->nvmet_ctx_next_cpu; 220666d7ce93SDick Kennedy } 220766d7ce93SDick Kennedy 22082299e432SDick Kennedy #endif 220966d7ce93SDick Kennedy /* Nothing found, all contexts for the MRQ are in-flight */ 221066d7ce93SDick Kennedy return NULL; 221166d7ce93SDick Kennedy } 221266d7ce93SDick Kennedy 2213d613b6a7SJames Smart /** 2214d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer - Process an unsolicited event data buffer 2215d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 221666d7ce93SDick Kennedy * @idx: relative index of MRQ vector 2217d613b6a7SJames Smart * @nvmebuf: pointer to lpfc nvme command HBQ data structure. 2218d74a89aaSJames Smart * @isr_timestamp: in jiffies. 2219d74a89aaSJames Smart * @cqflag: cq processing information regarding workload. 2220d613b6a7SJames Smart * 2221d613b6a7SJames Smart * This routine is used for processing the WQE associated with a unsolicited 2222d613b6a7SJames Smart * event. It first determines whether there is an existing ndlp that matches 2223d613b6a7SJames Smart * the DID from the unsolicited WQE. If not, it will create a new one with 2224d613b6a7SJames Smart * the DID from the unsolicited WQE. The ELS command from the unsolicited 2225d613b6a7SJames Smart * WQE is then used to invoke the proper routine and to set up proper state 2226d613b6a7SJames Smart * of the discovery state machine. 2227d613b6a7SJames Smart **/ 2228d613b6a7SJames Smart static void 2229d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 223066d7ce93SDick Kennedy uint32_t idx, 2231d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 2232d74a89aaSJames Smart uint64_t isr_timestamp, 2233d74a89aaSJames Smart uint8_t cqflag) 2234d613b6a7SJames Smart { 2235d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2236d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2237d613b6a7SJames Smart struct fc_frame_header *fc_hdr; 22386c621a22SJames Smart struct lpfc_nvmet_ctxbuf *ctx_buf; 223966d7ce93SDick Kennedy struct lpfc_nvmet_ctx_info *current_infop; 2240472e146dSJames Smart uint32_t size, oxid, sid, qno; 22416c621a22SJames Smart unsigned long iflag; 224266d7ce93SDick Kennedy int current_cpu; 2243d613b6a7SJames Smart 224473626173SArnd Bergmann if (!IS_ENABLED(CONFIG_NVME_TARGET_FC)) 224573626173SArnd Bergmann return; 224673626173SArnd Bergmann 22476c621a22SJames Smart ctx_buf = NULL; 2248d613b6a7SJames Smart if (!nvmebuf || !phba->targetport) { 2249d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 22506c621a22SJames Smart "6157 NVMET FCP Drop IO\n"); 2251472e146dSJames Smart if (nvmebuf) 2252472e146dSJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2253472e146dSJames Smart return; 2254d613b6a7SJames Smart } 2255d613b6a7SJames Smart 225666d7ce93SDick Kennedy /* 225766d7ce93SDick Kennedy * Get a pointer to the context list for this MRQ based on 225866d7ce93SDick Kennedy * the CPU this MRQ IRQ is associated with. If the CPU association 225966d7ce93SDick Kennedy * changes from our initial assumption, the context list could 226066d7ce93SDick Kennedy * be empty, thus it would need to be replenished with the 226166d7ce93SDick Kennedy * context list from another CPU for this MRQ. 226266d7ce93SDick Kennedy */ 2263d6d189ceSBart Van Assche current_cpu = raw_smp_processor_id(); 226466d7ce93SDick Kennedy current_infop = lpfc_get_ctx_list(phba, current_cpu, idx); 226566d7ce93SDick Kennedy spin_lock_irqsave(¤t_infop->nvmet_ctx_list_lock, iflag); 226666d7ce93SDick Kennedy if (current_infop->nvmet_ctx_list_cnt) { 226766d7ce93SDick Kennedy list_remove_head(¤t_infop->nvmet_ctx_list, 22686c621a22SJames Smart ctx_buf, struct lpfc_nvmet_ctxbuf, list); 226966d7ce93SDick Kennedy current_infop->nvmet_ctx_list_cnt--; 2270966bb5b7SJames Smart } else { 227166d7ce93SDick Kennedy ctx_buf = lpfc_nvmet_replenish_context(phba, current_infop); 22726c621a22SJames Smart } 227366d7ce93SDick Kennedy spin_unlock_irqrestore(¤t_infop->nvmet_ctx_list_lock, iflag); 22746c621a22SJames Smart 2275a8cf5dfeSJames Smart fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); 2276a8cf5dfeSJames Smart oxid = be16_to_cpu(fc_hdr->fh_ox_id); 2277a8cf5dfeSJames Smart size = nvmebuf->bytes_recv; 2278a8cf5dfeSJames Smart 2279a8cf5dfeSJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2280a8cf5dfeSJames Smart if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { 228163df6d63SJames Smart if (current_cpu < LPFC_CHECK_CPU_CNT) { 228263df6d63SJames Smart if (idx != current_cpu) 228363df6d63SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 228463df6d63SJames Smart "6703 CPU Check rcv: " 228563df6d63SJames Smart "cpu %d expect %d\n", 228663df6d63SJames Smart current_cpu, idx); 228763df6d63SJames Smart phba->sli4_hba.hdwq[idx].cpucheck_rcv_io[current_cpu]++; 228863df6d63SJames Smart } 2289a8cf5dfeSJames Smart } 2290a8cf5dfeSJames Smart #endif 2291a8cf5dfeSJames Smart 2292a8cf5dfeSJames Smart lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", 2293d6d189ceSBart Van Assche oxid, size, raw_smp_processor_id()); 2294a8cf5dfeSJames Smart 2295411de511SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2296411de511SJames Smart 22976c621a22SJames Smart if (!ctx_buf) { 2298a8cf5dfeSJames Smart /* Queue this NVME IO to process later */ 2299a8cf5dfeSJames Smart spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); 2300a8cf5dfeSJames Smart list_add_tail(&nvmebuf->hbuf.list, 2301a8cf5dfeSJames Smart &phba->sli4_hba.lpfc_nvmet_io_wait_list); 2302a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_cnt++; 2303a8cf5dfeSJames Smart phba->sli4_hba.nvmet_io_wait_total++; 2304a8cf5dfeSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, 2305a8cf5dfeSJames Smart iflag); 2306a8cf5dfeSJames Smart 2307a8cf5dfeSJames Smart /* Post a brand new DMA buffer to RQ */ 2308a8cf5dfeSJames Smart qno = nvmebuf->idx; 2309a8cf5dfeSJames Smart lpfc_post_rq_buffer( 2310a8cf5dfeSJames Smart phba, phba->sli4_hba.nvmet_mrq_hdr[qno], 2311a8cf5dfeSJames Smart phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); 2312411de511SJames Smart 2313411de511SJames Smart atomic_inc(&tgtp->defer_ctx); 2314a8cf5dfeSJames Smart return; 23156c621a22SJames Smart } 2316d613b6a7SJames Smart 2317d613b6a7SJames Smart sid = sli4_sid_from_fc_hdr(fc_hdr); 2318d613b6a7SJames Smart 23196c621a22SJames Smart ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; 232079d8c4ceSJames Smart spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag); 232179d8c4ceSJames Smart list_add_tail(&ctxp->list, &phba->sli4_hba.t_active_ctx_list); 232279d8c4ceSJames Smart spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag); 2323ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_FREE) { 2324ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2325ce1b591cSJames Smart "6414 NVMET Context corrupt %d %d oxid x%x\n", 2326ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 2327ce1b591cSJames Smart } 2328d613b6a7SJames Smart ctxp->wqeq = NULL; 2329d613b6a7SJames Smart ctxp->txrdy = NULL; 2330d613b6a7SJames Smart ctxp->offset = 0; 2331d613b6a7SJames Smart ctxp->phba = phba; 2332d613b6a7SJames Smart ctxp->size = size; 2333d613b6a7SJames Smart ctxp->oxid = oxid; 2334d613b6a7SJames Smart ctxp->sid = sid; 233566d7ce93SDick Kennedy ctxp->idx = idx; 2336d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_RCV; 2337d613b6a7SJames Smart ctxp->entry_cnt = 1; 2338d613b6a7SJames Smart ctxp->flag = 0; 23396c621a22SJames Smart ctxp->ctxbuf = ctx_buf; 2340cbc5de1bSJames Smart ctxp->rqb_buffer = (void *)nvmebuf; 23411fbf9742SJames Smart ctxp->hdwq = NULL; 23422b7824d0SJames Smart spin_lock_init(&ctxp->ctxlock); 2343d613b6a7SJames Smart 23442b65e182SJames Smart #ifdef CONFIG_SCSI_LPFC_DEBUG_FS 2345d74a89aaSJames Smart if (isr_timestamp) 23462b65e182SJames Smart ctxp->ts_isr_cmd = isr_timestamp; 2347d74a89aaSJames Smart ctxp->ts_cmd_nvme = 0; 23482b65e182SJames Smart ctxp->ts_nvme_data = 0; 23492b65e182SJames Smart ctxp->ts_data_wqput = 0; 23502b65e182SJames Smart ctxp->ts_isr_data = 0; 23512b65e182SJames Smart ctxp->ts_data_nvme = 0; 23522b65e182SJames Smart ctxp->ts_nvme_status = 0; 23532b65e182SJames Smart ctxp->ts_status_wqput = 0; 23542b65e182SJames Smart ctxp->ts_isr_status = 0; 23552b65e182SJames Smart ctxp->ts_status_nvme = 0; 23562b65e182SJames Smart #endif 23572b65e182SJames Smart 2358d613b6a7SJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_in); 2359d74a89aaSJames Smart /* check for cq processing load */ 2360d74a89aaSJames Smart if (!cqflag) { 2361472e146dSJames Smart lpfc_nvmet_process_rcv_fcp_req(ctx_buf); 2362d74a89aaSJames Smart return; 2363d74a89aaSJames Smart } 2364d74a89aaSJames Smart 2365d74a89aaSJames Smart if (!queue_work(phba->wq, &ctx_buf->defer_work)) { 2366d74a89aaSJames Smart atomic_inc(&tgtp->rcv_fcp_cmd_drop); 2367d74a89aaSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 2368d74a89aaSJames Smart "6325 Unable to queue work for oxid x%x. " 2369d74a89aaSJames Smart "FCP Drop IO [x%x x%x x%x]\n", 2370d74a89aaSJames Smart ctxp->oxid, 2371d74a89aaSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_in), 2372d74a89aaSJames Smart atomic_read(&tgtp->rcv_fcp_cmd_out), 2373d74a89aaSJames Smart atomic_read(&tgtp->xmt_fcp_release)); 2374d74a89aaSJames Smart 2375d74a89aaSJames Smart spin_lock_irqsave(&ctxp->ctxlock, iflag); 2376d74a89aaSJames Smart lpfc_nvmet_defer_release(phba, ctxp); 2377d74a89aaSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, iflag); 2378d74a89aaSJames Smart lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); 2379d74a89aaSJames Smart } 2380d613b6a7SJames Smart } 2381d613b6a7SJames Smart 2382d613b6a7SJames Smart /** 2383d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport 2384d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 2385d613b6a7SJames Smart * @pring: pointer to a SLI ring. 2386d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2387d613b6a7SJames Smart * 2388d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2389d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2390d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2391d613b6a7SJames Smart * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the 2392d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2393d613b6a7SJames Smart **/ 2394d613b6a7SJames Smart void 2395d613b6a7SJames Smart lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 2396d613b6a7SJames Smart struct lpfc_iocbq *piocb) 2397d613b6a7SJames Smart { 2398d613b6a7SJames Smart struct lpfc_dmabuf *d_buf; 2399d613b6a7SJames Smart struct hbq_dmabuf *nvmebuf; 2400d613b6a7SJames Smart 2401d613b6a7SJames Smart d_buf = piocb->context2; 2402d613b6a7SJames Smart nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); 2403d613b6a7SJames Smart 2404d613b6a7SJames Smart if (phba->nvmet_support == 0) { 2405d613b6a7SJames Smart lpfc_in_buf_free(phba, &nvmebuf->dbuf); 2406d613b6a7SJames Smart return; 2407d613b6a7SJames Smart } 2408d613b6a7SJames Smart lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf); 2409d613b6a7SJames Smart } 2410d613b6a7SJames Smart 2411d613b6a7SJames Smart /** 2412d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport 2413d613b6a7SJames Smart * @phba: pointer to lpfc hba data structure. 241466d7ce93SDick Kennedy * @idx: relative index of MRQ vector 2415d613b6a7SJames Smart * @nvmebuf: pointer to received nvme data structure. 2416d74a89aaSJames Smart * @isr_timestamp: in jiffies. 2417d74a89aaSJames Smart * @cqflag: cq processing information regarding workload. 2418d613b6a7SJames Smart * 2419d613b6a7SJames Smart * This routine is used to process an unsolicited event received from a SLI 2420d613b6a7SJames Smart * (Service Level Interface) ring. The actual processing of the data buffer 2421d613b6a7SJames Smart * associated with the unsolicited event is done by invoking the routine 2422d613b6a7SJames Smart * lpfc_nvmet_unsol_fcp_buffer() after properly set up the buffer from the 2423d613b6a7SJames Smart * SLI RQ on which the unsolicited event was received. 2424d613b6a7SJames Smart **/ 2425d613b6a7SJames Smart void 2426d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, 242766d7ce93SDick Kennedy uint32_t idx, 2428d613b6a7SJames Smart struct rqb_dmabuf *nvmebuf, 2429d74a89aaSJames Smart uint64_t isr_timestamp, 2430d74a89aaSJames Smart uint8_t cqflag) 2431d613b6a7SJames Smart { 2432d613b6a7SJames Smart if (phba->nvmet_support == 0) { 24336c621a22SJames Smart lpfc_rq_buf_free(phba, &nvmebuf->hbuf); 2434d613b6a7SJames Smart return; 2435d613b6a7SJames Smart } 2436d74a89aaSJames Smart lpfc_nvmet_unsol_fcp_buffer(phba, idx, nvmebuf, isr_timestamp, cqflag); 2437d613b6a7SJames Smart } 2438d613b6a7SJames Smart 2439d613b6a7SJames Smart /** 2440d613b6a7SJames Smart * lpfc_nvmet_prep_ls_wqe - Allocate and prepare a lpfc wqe data structure 2441d613b6a7SJames Smart * @phba: pointer to a host N_Port data structure. 2442d613b6a7SJames Smart * @ctxp: Context info for NVME LS Request 2443d613b6a7SJames Smart * @rspbuf: DMA buffer of NVME command. 2444d613b6a7SJames Smart * @rspsize: size of the NVME command. 2445d613b6a7SJames Smart * 2446d613b6a7SJames Smart * This routine is used for allocating a lpfc-WQE data structure from 2447d613b6a7SJames Smart * the driver lpfc-WQE free-list and prepare the WQE with the parameters 2448d613b6a7SJames Smart * passed into the routine for discovery state machine to issue an Extended 2449d613b6a7SJames Smart * Link Service (NVME) commands. It is a generic lpfc-WQE allocation 2450d613b6a7SJames Smart * and preparation routine that is used by all the discovery state machine 2451d613b6a7SJames Smart * routines and the NVME command-specific fields will be later set up by 2452d613b6a7SJames Smart * the individual discovery machine routines after calling this routine 2453d613b6a7SJames Smart * allocating and preparing a generic WQE data structure. It fills in the 2454d613b6a7SJames Smart * Buffer Descriptor Entries (BDEs), allocates buffers for both command 2455d613b6a7SJames Smart * payload and response payload (if expected). The reference count on the 2456d613b6a7SJames Smart * ndlp is incremented by 1 and the reference to the ndlp is put into 2457d613b6a7SJames Smart * context1 of the WQE data structure for this WQE to hold the ndlp 2458d613b6a7SJames Smart * reference for the command's callback function to access later. 2459d613b6a7SJames Smart * 2460d613b6a7SJames Smart * Return code 2461d613b6a7SJames Smart * Pointer to the newly allocated/prepared nvme wqe data structure 2462d613b6a7SJames Smart * NULL - when nvme wqe data structure allocation/preparation failed 2463d613b6a7SJames Smart **/ 2464d613b6a7SJames Smart static struct lpfc_iocbq * 2465d613b6a7SJames Smart lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, 2466d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 2467d613b6a7SJames Smart dma_addr_t rspbuf, uint16_t rspsize) 2468d613b6a7SJames Smart { 2469d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2470d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2471205e8240SJames Smart union lpfc_wqe128 *wqe; 2472d613b6a7SJames Smart 2473d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2474d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2475ce1b591cSJames Smart "6104 NVMET prep LS wqe: link err: " 2476ce1b591cSJames Smart "NPORT x%x oxid:x%x ste %d\n", 2477ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2478d613b6a7SJames Smart return NULL; 2479d613b6a7SJames Smart } 2480d613b6a7SJames Smart 2481d613b6a7SJames Smart /* Allocate buffer for command wqe */ 2482d613b6a7SJames Smart nvmewqe = lpfc_sli_get_iocbq(phba); 2483d613b6a7SJames Smart if (nvmewqe == NULL) { 2484d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2485ce1b591cSJames Smart "6105 NVMET prep LS wqe: No WQE: " 2486ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2487ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2488d613b6a7SJames Smart return NULL; 2489d613b6a7SJames Smart } 2490d613b6a7SJames Smart 2491d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2492d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2493d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2494d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2495d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, 2496ce1b591cSJames Smart "6106 NVMET prep LS wqe: No ndlp: " 2497ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2498ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2499d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2500d613b6a7SJames Smart } 2501d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2502d613b6a7SJames Smart 2503d613b6a7SJames Smart /* prevent preparing wqe with NULL ndlp reference */ 2504d613b6a7SJames Smart nvmewqe->context1 = lpfc_nlp_get(ndlp); 2505d613b6a7SJames Smart if (nvmewqe->context1 == NULL) 2506d613b6a7SJames Smart goto nvme_wqe_free_wqeq_exit; 2507d613b6a7SJames Smart nvmewqe->context2 = ctxp; 2508d613b6a7SJames Smart 2509d613b6a7SJames Smart wqe = &nvmewqe->wqe; 2510d613b6a7SJames Smart memset(wqe, 0, sizeof(union lpfc_wqe)); 2511d613b6a7SJames Smart 2512d613b6a7SJames Smart /* Words 0 - 2 */ 2513d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2514d613b6a7SJames Smart wqe->xmit_sequence.bde.tus.f.bdeSize = rspsize; 2515d613b6a7SJames Smart wqe->xmit_sequence.bde.addrLow = le32_to_cpu(putPaddrLow(rspbuf)); 2516d613b6a7SJames Smart wqe->xmit_sequence.bde.addrHigh = le32_to_cpu(putPaddrHigh(rspbuf)); 2517d613b6a7SJames Smart 2518d613b6a7SJames Smart /* Word 3 */ 2519d613b6a7SJames Smart 2520d613b6a7SJames Smart /* Word 4 */ 2521d613b6a7SJames Smart 2522d613b6a7SJames Smart /* Word 5 */ 2523d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); 2524d613b6a7SJames Smart bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); 2525d613b6a7SJames Smart bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); 25268b361639SJames Smart bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); 2527d613b6a7SJames Smart bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); 2528d613b6a7SJames Smart 2529d613b6a7SJames Smart /* Word 6 */ 2530d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, 2531d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2532d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->xmit_sequence.wqe_com, nvmewqe->sli4_xritag); 2533d613b6a7SJames Smart 2534d613b6a7SJames Smart /* Word 7 */ 2535d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, 2536d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 2537d613b6a7SJames Smart bf_set(wqe_ct, &wqe->xmit_sequence.wqe_com, SLI4_CT_RPI); 2538d613b6a7SJames Smart bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); 2539d613b6a7SJames Smart bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); 2540d613b6a7SJames Smart 2541d613b6a7SJames Smart /* Word 8 */ 2542d613b6a7SJames Smart wqe->xmit_sequence.wqe_com.abort_tag = nvmewqe->iotag; 2543d613b6a7SJames Smart 2544d613b6a7SJames Smart /* Word 9 */ 2545d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->xmit_sequence.wqe_com, nvmewqe->iotag); 2546d613b6a7SJames Smart /* Needs to be set by caller */ 2547d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ctxp->oxid); 2548d613b6a7SJames Smart 2549d613b6a7SJames Smart /* Word 10 */ 2550d613b6a7SJames Smart bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); 2551d613b6a7SJames Smart bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 2552d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, 2553d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 2554d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); 2555d613b6a7SJames Smart 2556d613b6a7SJames Smart /* Word 11 */ 2557d613b6a7SJames Smart bf_set(wqe_cqid, &wqe->xmit_sequence.wqe_com, 2558d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 2559d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe->xmit_sequence.wqe_com, 2560d613b6a7SJames Smart OTHER_COMMAND); 2561d613b6a7SJames Smart 2562d613b6a7SJames Smart /* Word 12 */ 2563d613b6a7SJames Smart wqe->xmit_sequence.xmit_len = rspsize; 2564d613b6a7SJames Smart 2565d613b6a7SJames Smart nvmewqe->retry = 1; 2566d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2567d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2568d613b6a7SJames Smart nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; 2569d613b6a7SJames Smart 2570ce1b591cSJames Smart /* Xmit NVMET response to remote NPORT <did> */ 2571d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, 2572ce1b591cSJames Smart "6039 Xmit NVMET LS response to remote " 2573d613b6a7SJames Smart "NPORT x%x iotag:x%x oxid:x%x size:x%x\n", 2574d613b6a7SJames Smart ndlp->nlp_DID, nvmewqe->iotag, ctxp->oxid, 2575d613b6a7SJames Smart rspsize); 2576d613b6a7SJames Smart return nvmewqe; 2577d613b6a7SJames Smart 2578d613b6a7SJames Smart nvme_wqe_free_wqeq_exit: 2579d613b6a7SJames Smart nvmewqe->context2 = NULL; 2580d613b6a7SJames Smart nvmewqe->context3 = NULL; 2581d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, nvmewqe); 2582d613b6a7SJames Smart return NULL; 2583d613b6a7SJames Smart } 2584d613b6a7SJames Smart 2585d613b6a7SJames Smart 2586d613b6a7SJames Smart static struct lpfc_iocbq * 2587d613b6a7SJames Smart lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, 2588d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp) 2589d613b6a7SJames Smart { 2590d613b6a7SJames Smart struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req; 2591d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2592d613b6a7SJames Smart struct sli4_sge *sgl; 2593d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 2594d613b6a7SJames Smart struct lpfc_iocbq *nvmewqe; 2595d613b6a7SJames Smart struct scatterlist *sgel; 2596d613b6a7SJames Smart union lpfc_wqe128 *wqe; 25970bc2b7c5SJames Smart struct ulp_bde64 *bde; 2598d613b6a7SJames Smart uint32_t *txrdy; 2599d613b6a7SJames Smart dma_addr_t physaddr; 2600d613b6a7SJames Smart int i, cnt; 26010bc2b7c5SJames Smart int do_pbde; 2602d613b6a7SJames Smart int xc = 1; 2603d613b6a7SJames Smart 2604d613b6a7SJames Smart if (!lpfc_is_link_up(phba)) { 2605d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2606ce1b591cSJames Smart "6107 NVMET prep FCP wqe: link err:" 2607ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2608ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2609d613b6a7SJames Smart return NULL; 2610d613b6a7SJames Smart } 2611d613b6a7SJames Smart 2612d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, ctxp->sid); 2613d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 2614d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 2615d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 2616d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2617ce1b591cSJames Smart "6108 NVMET prep FCP wqe: no ndlp: " 2618ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d\n", 2619ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2620d613b6a7SJames Smart return NULL; 2621d613b6a7SJames Smart } 2622d613b6a7SJames Smart 262381e6a637SJames Smart if (rsp->sg_cnt > lpfc_tgttemplate.max_sgl_segments) { 2624d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2625ce1b591cSJames Smart "6109 NVMET prep FCP wqe: seg cnt err: " 2626ce1b591cSJames Smart "NPORT x%x oxid x%x ste %d cnt %d\n", 2627ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state, 2628ce1b591cSJames Smart phba->cfg_nvme_seg_cnt); 2629d613b6a7SJames Smart return NULL; 2630d613b6a7SJames Smart } 2631d613b6a7SJames Smart 2632d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2633d613b6a7SJames Smart nvmewqe = ctxp->wqeq; 2634d613b6a7SJames Smart if (nvmewqe == NULL) { 2635d613b6a7SJames Smart /* Allocate buffer for command wqe */ 26366c621a22SJames Smart nvmewqe = ctxp->ctxbuf->iocbq; 2637d613b6a7SJames Smart if (nvmewqe == NULL) { 2638d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2639ce1b591cSJames Smart "6110 NVMET prep FCP wqe: No " 2640ce1b591cSJames Smart "WQE: NPORT x%x oxid x%x ste %d\n", 2641ce1b591cSJames Smart ctxp->sid, ctxp->oxid, ctxp->state); 2642d613b6a7SJames Smart return NULL; 2643d613b6a7SJames Smart } 2644d613b6a7SJames Smart ctxp->wqeq = nvmewqe; 2645d613b6a7SJames Smart xc = 0; /* create new XRI */ 2646d613b6a7SJames Smart nvmewqe->sli4_lxritag = NO_XRI; 2647d613b6a7SJames Smart nvmewqe->sli4_xritag = NO_XRI; 2648d613b6a7SJames Smart } 2649d613b6a7SJames Smart 2650d613b6a7SJames Smart /* Sanity check */ 2651d613b6a7SJames Smart if (((ctxp->state == LPFC_NVMET_STE_RCV) && 2652d613b6a7SJames Smart (ctxp->entry_cnt == 1)) || 2653ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_DATA)) { 2654205e8240SJames Smart wqe = &nvmewqe->wqe; 2655d613b6a7SJames Smart } else { 2656d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2657ce1b591cSJames Smart "6111 Wrong state NVMET FCP: %d cnt %d\n", 2658ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt); 2659d613b6a7SJames Smart return NULL; 2660d613b6a7SJames Smart } 2661d613b6a7SJames Smart 26626c621a22SJames Smart sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; 2663d613b6a7SJames Smart switch (rsp->op) { 2664d613b6a7SJames Smart case NVMET_FCOP_READDATA: 2665d613b6a7SJames Smart case NVMET_FCOP_READDATA_RSP: 2666bd3061baSJames Smart /* From the tsend template, initialize words 7 - 11 */ 2667bd3061baSJames Smart memcpy(&wqe->words[7], 2668bd3061baSJames Smart &lpfc_tsend_cmd_template.words[7], 2669bd3061baSJames Smart sizeof(uint32_t) * 5); 2670bd3061baSJames Smart 2671d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2672d613b6a7SJames Smart sgel = &rsp->sg[0]; 2673d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2674d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2675d613b6a7SJames Smart wqe->fcp_tsend.bde.tus.f.bdeSize = sg_dma_len(sgel); 2676d613b6a7SJames Smart wqe->fcp_tsend.bde.addrLow = cpu_to_le32(putPaddrLow(physaddr)); 2677d613b6a7SJames Smart wqe->fcp_tsend.bde.addrHigh = 2678d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2679d613b6a7SJames Smart 2680d613b6a7SJames Smart /* Word 3 */ 2681d613b6a7SJames Smart wqe->fcp_tsend.payload_offset_len = 0; 2682d613b6a7SJames Smart 2683d613b6a7SJames Smart /* Word 4 */ 2684d613b6a7SJames Smart wqe->fcp_tsend.relative_offset = ctxp->offset; 2685d613b6a7SJames Smart 2686d613b6a7SJames Smart /* Word 5 */ 2687bd3061baSJames Smart wqe->fcp_tsend.reserved = 0; 2688d613b6a7SJames Smart 2689d613b6a7SJames Smart /* Word 6 */ 2690d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_tsend.wqe_com, 2691d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2692d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_tsend.wqe_com, 2693d613b6a7SJames Smart nvmewqe->sli4_xritag); 2694d613b6a7SJames Smart 2695bd3061baSJames Smart /* Word 7 - set ar later */ 2696d613b6a7SJames Smart 2697d613b6a7SJames Smart /* Word 8 */ 2698d613b6a7SJames Smart wqe->fcp_tsend.wqe_com.abort_tag = nvmewqe->iotag; 2699d613b6a7SJames Smart 2700d613b6a7SJames Smart /* Word 9 */ 2701d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_tsend.wqe_com, nvmewqe->iotag); 2702d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_tsend.wqe_com, ctxp->oxid); 2703d613b6a7SJames Smart 2704bd3061baSJames Smart /* Word 10 - set wqes later, in template xc=1 */ 2705bd3061baSJames Smart if (!xc) 2706bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_tsend.wqe_com, 0); 2707d613b6a7SJames Smart 2708bd3061baSJames Smart /* Word 11 - set sup, irsp, irsplen later */ 2709bd3061baSJames Smart do_pbde = 0; 2710d613b6a7SJames Smart 2711d613b6a7SJames Smart /* Word 12 */ 2712d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2713d613b6a7SJames Smart 2714d613b6a7SJames Smart /* Setup 2 SKIP SGEs */ 2715d613b6a7SJames Smart sgl->addr_hi = 0; 2716d613b6a7SJames Smart sgl->addr_lo = 0; 2717d613b6a7SJames Smart sgl->word2 = 0; 2718d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2719d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2720d613b6a7SJames Smart sgl->sge_len = 0; 2721d613b6a7SJames Smart sgl++; 2722d613b6a7SJames Smart sgl->addr_hi = 0; 2723d613b6a7SJames Smart sgl->addr_lo = 0; 2724d613b6a7SJames Smart sgl->word2 = 0; 2725d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2726d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2727d613b6a7SJames Smart sgl->sge_len = 0; 2728d613b6a7SJames Smart sgl++; 2729d613b6a7SJames Smart if (rsp->op == NVMET_FCOP_READDATA_RSP) { 2730d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read_rsp); 2731bd3061baSJames Smart 2732bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2733bd3061baSJames Smart 273420aefac3SJames Smart if (rsp->rsplen == LPFC_NVMET_SUCCESS_LEN) { 273520aefac3SJames Smart if (ndlp->nlp_flag & NLP_SUPPRESS_RSP) 273620aefac3SJames Smart bf_set(wqe_sup, 273720aefac3SJames Smart &wqe->fcp_tsend.wqe_com, 1); 2738d613b6a7SJames Smart } else { 2739d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_tsend.wqe_com, 1); 2740d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_tsend.wqe_com, 1); 2741d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_tsend.wqe_com, 2742d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2743d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, 2744d613b6a7SJames Smart rsp->rsplen); 2745d613b6a7SJames Smart } 2746d613b6a7SJames Smart } else { 2747d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_read); 2748d613b6a7SJames Smart 2749bd3061baSJames Smart /* In template ar=1 wqes=0 sup=0 irsp=0 irsplen=0 */ 2750d613b6a7SJames Smart bf_set(wqe_ar, &wqe->fcp_tsend.wqe_com, 0); 2751d613b6a7SJames Smart } 2752d613b6a7SJames Smart break; 2753d613b6a7SJames Smart 2754d613b6a7SJames Smart case NVMET_FCOP_WRITEDATA: 2755bd3061baSJames Smart /* From the treceive template, initialize words 3 - 11 */ 2756bd3061baSJames Smart memcpy(&wqe->words[3], 2757bd3061baSJames Smart &lpfc_treceive_cmd_template.words[3], 2758bd3061baSJames Smart sizeof(uint32_t) * 9); 2759bd3061baSJames Smart 2760d613b6a7SJames Smart /* Words 0 - 2 : The first sg segment */ 2761771db5c0SRomain Perier txrdy = dma_pool_alloc(phba->txrdy_payload_pool, 2762d613b6a7SJames Smart GFP_KERNEL, &physaddr); 2763d613b6a7SJames Smart if (!txrdy) { 2764d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 2765d613b6a7SJames Smart "6041 Bad txrdy buffer: oxid x%x\n", 2766d613b6a7SJames Smart ctxp->oxid); 2767d613b6a7SJames Smart return NULL; 2768d613b6a7SJames Smart } 2769d613b6a7SJames Smart ctxp->txrdy = txrdy; 2770d613b6a7SJames Smart ctxp->txrdy_phys = physaddr; 2771d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2772d613b6a7SJames Smart wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN; 2773d613b6a7SJames Smart wqe->fcp_treceive.bde.addrLow = 2774d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2775d613b6a7SJames Smart wqe->fcp_treceive.bde.addrHigh = 2776d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2777d613b6a7SJames Smart 2778d613b6a7SJames Smart /* Word 4 */ 2779d613b6a7SJames Smart wqe->fcp_treceive.relative_offset = ctxp->offset; 2780d613b6a7SJames Smart 2781d613b6a7SJames Smart /* Word 6 */ 2782d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_treceive.wqe_com, 2783d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2784d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_treceive.wqe_com, 2785d613b6a7SJames Smart nvmewqe->sli4_xritag); 2786d613b6a7SJames Smart 2787d613b6a7SJames Smart /* Word 7 */ 2788d613b6a7SJames Smart 2789d613b6a7SJames Smart /* Word 8 */ 2790d613b6a7SJames Smart wqe->fcp_treceive.wqe_com.abort_tag = nvmewqe->iotag; 2791d613b6a7SJames Smart 2792d613b6a7SJames Smart /* Word 9 */ 2793d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_treceive.wqe_com, nvmewqe->iotag); 2794d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_treceive.wqe_com, ctxp->oxid); 2795d613b6a7SJames Smart 2796bd3061baSJames Smart /* Word 10 - in template xc=1 */ 2797bd3061baSJames Smart if (!xc) 2798bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_treceive.wqe_com, 0); 2799d613b6a7SJames Smart 2800bd3061baSJames Smart /* Word 11 - set pbde later */ 2801414abe0aSJames Smart if (phba->cfg_enable_pbde) { 2802bd3061baSJames Smart do_pbde = 1; 2803bd3061baSJames Smart } else { 2804bd3061baSJames Smart bf_set(wqe_pbde, &wqe->fcp_treceive.wqe_com, 0); 2805bd3061baSJames Smart do_pbde = 0; 2806bd3061baSJames Smart } 2807d613b6a7SJames Smart 2808d613b6a7SJames Smart /* Word 12 */ 2809d613b6a7SJames Smart wqe->fcp_tsend.fcp_data_len = rsp->transfer_length; 2810d613b6a7SJames Smart 2811d613b6a7SJames Smart /* Setup 1 TXRDY and 1 SKIP SGE */ 2812d613b6a7SJames Smart txrdy[0] = 0; 2813d613b6a7SJames Smart txrdy[1] = cpu_to_be32(rsp->transfer_length); 2814d613b6a7SJames Smart txrdy[2] = 0; 2815d613b6a7SJames Smart 2816d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2817d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2818d613b6a7SJames Smart sgl->word2 = 0; 2819d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2820d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2821d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN); 2822d613b6a7SJames Smart sgl++; 2823d613b6a7SJames Smart sgl->addr_hi = 0; 2824d613b6a7SJames Smart sgl->addr_lo = 0; 2825d613b6a7SJames Smart sgl->word2 = 0; 2826d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP); 2827d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2828d613b6a7SJames Smart sgl->sge_len = 0; 2829d613b6a7SJames Smart sgl++; 2830d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_write); 2831d613b6a7SJames Smart break; 2832d613b6a7SJames Smart 2833d613b6a7SJames Smart case NVMET_FCOP_RSP: 2834bd3061baSJames Smart /* From the treceive template, initialize words 4 - 11 */ 2835bd3061baSJames Smart memcpy(&wqe->words[4], 2836bd3061baSJames Smart &lpfc_trsp_cmd_template.words[4], 2837bd3061baSJames Smart sizeof(uint32_t) * 8); 2838bd3061baSJames Smart 2839d613b6a7SJames Smart /* Words 0 - 2 */ 2840d613b6a7SJames Smart physaddr = rsp->rspdma; 2841d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; 2842d613b6a7SJames Smart wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; 2843d613b6a7SJames Smart wqe->fcp_trsp.bde.addrLow = 2844d613b6a7SJames Smart cpu_to_le32(putPaddrLow(physaddr)); 2845d613b6a7SJames Smart wqe->fcp_trsp.bde.addrHigh = 2846d613b6a7SJames Smart cpu_to_le32(putPaddrHigh(physaddr)); 2847d613b6a7SJames Smart 2848d613b6a7SJames Smart /* Word 3 */ 2849d613b6a7SJames Smart wqe->fcp_trsp.response_len = rsp->rsplen; 2850d613b6a7SJames Smart 2851d613b6a7SJames Smart /* Word 6 */ 2852d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe->fcp_trsp.wqe_com, 2853d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 2854d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe->fcp_trsp.wqe_com, 2855d613b6a7SJames Smart nvmewqe->sli4_xritag); 2856d613b6a7SJames Smart 2857d613b6a7SJames Smart /* Word 7 */ 2858d613b6a7SJames Smart 2859d613b6a7SJames Smart /* Word 8 */ 2860d613b6a7SJames Smart wqe->fcp_trsp.wqe_com.abort_tag = nvmewqe->iotag; 2861d613b6a7SJames Smart 2862d613b6a7SJames Smart /* Word 9 */ 2863d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe->fcp_trsp.wqe_com, nvmewqe->iotag); 2864d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe->fcp_trsp.wqe_com, ctxp->oxid); 2865d613b6a7SJames Smart 2866d613b6a7SJames Smart /* Word 10 */ 2867bd3061baSJames Smart if (xc) 2868bd3061baSJames Smart bf_set(wqe_xc, &wqe->fcp_trsp.wqe_com, 1); 2869d613b6a7SJames Smart 2870d613b6a7SJames Smart /* Word 11 */ 2871bd3061baSJames Smart /* In template wqes=0 irsp=0 irsplen=0 - good response */ 2872bd3061baSJames Smart if (rsp->rsplen != LPFC_NVMET_SUCCESS_LEN) { 2873bd3061baSJames Smart /* Bad response - embed it */ 2874d613b6a7SJames Smart bf_set(wqe_wqes, &wqe->fcp_trsp.wqe_com, 1); 2875d613b6a7SJames Smart bf_set(wqe_irsp, &wqe->fcp_trsp.wqe_com, 1); 2876d613b6a7SJames Smart bf_set(wqe_irsplen, &wqe->fcp_trsp.wqe_com, 2877d613b6a7SJames Smart ((rsp->rsplen >> 2) - 1)); 2878d613b6a7SJames Smart memcpy(&wqe->words[16], rsp->rspaddr, rsp->rsplen); 2879d613b6a7SJames Smart } 2880bd3061baSJames Smart do_pbde = 0; 2881bd3061baSJames Smart 2882bd3061baSJames Smart /* Word 12 */ 2883bd3061baSJames Smart wqe->fcp_trsp.rsvd_12_15[0] = 0; 2884d613b6a7SJames Smart 2885d613b6a7SJames Smart /* Use rspbuf, NOT sg list */ 2886d613b6a7SJames Smart rsp->sg_cnt = 0; 2887d613b6a7SJames Smart sgl->word2 = 0; 2888d613b6a7SJames Smart atomic_inc(&tgtp->xmt_fcp_rsp); 2889d613b6a7SJames Smart break; 2890d613b6a7SJames Smart 2891d613b6a7SJames Smart default: 2892d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, 2893d613b6a7SJames Smart "6064 Unknown Rsp Op %d\n", 2894d613b6a7SJames Smart rsp->op); 2895d613b6a7SJames Smart return NULL; 2896d613b6a7SJames Smart } 2897d613b6a7SJames Smart 2898d613b6a7SJames Smart nvmewqe->retry = 1; 2899d613b6a7SJames Smart nvmewqe->vport = phba->pport; 2900d613b6a7SJames Smart nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; 2901d613b6a7SJames Smart nvmewqe->context1 = ndlp; 2902d613b6a7SJames Smart 290346e8e475SMing Lei for_each_sg(rsp->sg, sgel, rsp->sg_cnt, i) { 2904d613b6a7SJames Smart physaddr = sg_dma_address(sgel); 2905d613b6a7SJames Smart cnt = sg_dma_len(sgel); 2906d613b6a7SJames Smart sgl->addr_hi = putPaddrHigh(physaddr); 2907d613b6a7SJames Smart sgl->addr_lo = putPaddrLow(physaddr); 2908d613b6a7SJames Smart sgl->word2 = 0; 2909d613b6a7SJames Smart bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); 2910d613b6a7SJames Smart bf_set(lpfc_sli4_sge_offset, sgl, ctxp->offset); 2911d613b6a7SJames Smart if ((i+1) == rsp->sg_cnt) 2912d613b6a7SJames Smart bf_set(lpfc_sli4_sge_last, sgl, 1); 2913d613b6a7SJames Smart sgl->word2 = cpu_to_le32(sgl->word2); 2914d613b6a7SJames Smart sgl->sge_len = cpu_to_le32(cnt); 2915414abe0aSJames Smart if (i == 0) { 29160bc2b7c5SJames Smart bde = (struct ulp_bde64 *)&wqe->words[13]; 2917414abe0aSJames Smart if (do_pbde) { 29180bc2b7c5SJames Smart /* Words 13-15 (PBDE) */ 29190bc2b7c5SJames Smart bde->addrLow = sgl->addr_lo; 29200bc2b7c5SJames Smart bde->addrHigh = sgl->addr_hi; 29210bc2b7c5SJames Smart bde->tus.f.bdeSize = 29220bc2b7c5SJames Smart le32_to_cpu(sgl->sge_len); 29230bc2b7c5SJames Smart bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; 29240bc2b7c5SJames Smart bde->tus.w = cpu_to_le32(bde->tus.w); 2925414abe0aSJames Smart } else { 2926414abe0aSJames Smart memset(bde, 0, sizeof(struct ulp_bde64)); 2927414abe0aSJames Smart } 29280bc2b7c5SJames Smart } 2929d613b6a7SJames Smart sgl++; 2930d613b6a7SJames Smart ctxp->offset += cnt; 2931d613b6a7SJames Smart } 2932ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_DATA; 2933ce1b591cSJames Smart ctxp->entry_cnt++; 2934d613b6a7SJames Smart return nvmewqe; 2935d613b6a7SJames Smart } 2936d613b6a7SJames Smart 2937d613b6a7SJames Smart /** 2938d613b6a7SJames Smart * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS 2939d613b6a7SJames Smart * @phba: Pointer to HBA context object. 2940d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 2941d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 2942d613b6a7SJames Smart * 2943d613b6a7SJames Smart * The function is called from SLI ring event handler with no 2944d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 2945d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 2946d613b6a7SJames Smart **/ 2947d613b6a7SJames Smart static void 2948d613b6a7SJames Smart lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 2949d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 2950d613b6a7SJames Smart { 2951d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 2952d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 2953b27cbd55SBart Van Assche uint32_t result; 295419b58d94SJames Smart unsigned long flags; 295519b58d94SJames Smart bool released = false; 2956d613b6a7SJames Smart 2957d613b6a7SJames Smart ctxp = cmdwqe->context2; 2958d613b6a7SJames Smart result = wcqe->parameter; 2959d613b6a7SJames Smart 2960d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 2961547077a4SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 2962547077a4SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 2963d613b6a7SJames Smart 2964c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 2965d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 296686c67379SJames Smart 296786c67379SJames Smart /* Check if we already received a free context call 296886c67379SJames Smart * and we have completed processing an abort situation. 296986c67379SJames Smart */ 297086c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 297186c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 2972c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 297379d8c4ceSJames Smart list_del_init(&ctxp->list); 2974c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 297519b58d94SJames Smart released = true; 297686c67379SJames Smart } 297719b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 297819b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 2979547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 298019b58d94SJames Smart 2981e3246a12SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 298279d8c4ceSJames Smart "6165 ABORT cmpl: oxid x%x flg x%x (%d) " 298386c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 298486c67379SJames Smart ctxp->oxid, ctxp->flag, released, 298586c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 298686c67379SJames Smart result, wcqe->word3); 298786c67379SJames Smart 29886c621a22SJames Smart cmdwqe->context2 = NULL; 29896c621a22SJames Smart cmdwqe->context3 = NULL; 299019b58d94SJames Smart /* 299119b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 299219b58d94SJames Smart * will be recycled by transport release call. 299319b58d94SJames Smart */ 299419b58d94SJames Smart if (released) 29956c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 2996d613b6a7SJames Smart 29976c621a22SJames Smart /* This is the iocbq for the abort, not the command */ 2998d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 299986c67379SJames Smart 300086c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 300186c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 300286c67379SJames Smart * should have been called already. 300386c67379SJames Smart */ 3004d613b6a7SJames Smart } 3005d613b6a7SJames Smart 3006d613b6a7SJames Smart /** 300786c67379SJames Smart * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS 3008d613b6a7SJames Smart * @phba: Pointer to HBA context object. 3009d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 3010d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 3011d613b6a7SJames Smart * 3012d613b6a7SJames Smart * The function is called from SLI ring event handler with no 3013d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for FCP cmds 3014d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 3015d613b6a7SJames Smart **/ 3016d613b6a7SJames Smart static void 301786c67379SJames Smart lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 3018d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 3019d613b6a7SJames Smart { 3020d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 3021d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 302219b58d94SJames Smart unsigned long flags; 3023b27cbd55SBart Van Assche uint32_t result; 302419b58d94SJames Smart bool released = false; 3025d613b6a7SJames Smart 3026d613b6a7SJames Smart ctxp = cmdwqe->context2; 3027d613b6a7SJames Smart result = wcqe->parameter; 3028d613b6a7SJames Smart 302986c67379SJames Smart if (!ctxp) { 303086c67379SJames Smart /* if context is clear, related io alrady complete */ 3031d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 303286c67379SJames Smart "6070 ABTS cmpl: WCQE: %08x %08x %08x %08x\n", 303386c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 3034d613b6a7SJames Smart result, wcqe->word3); 303586c67379SJames Smart return; 303686c67379SJames Smart } 3037d613b6a7SJames Smart 303878e1d200SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3039c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 304078e1d200SJames Smart if (ctxp->flag & LPFC_NVMET_ABORT_OP) 304178e1d200SJames Smart atomic_inc(&tgtp->xmt_fcp_abort_cmpl); 304278e1d200SJames Smart 3043d613b6a7SJames Smart /* Sanity check */ 3044d613b6a7SJames Smart if (ctxp->state != LPFC_NVMET_STE_ABORT) { 3045d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 304686c67379SJames Smart "6112 ABTS Wrong state:%d oxid x%x\n", 3047d613b6a7SJames Smart ctxp->state, ctxp->oxid); 3048d613b6a7SJames Smart } 304986c67379SJames Smart 305086c67379SJames Smart /* Check if we already received a free context call 305186c67379SJames Smart * and we have completed processing an abort situation. 305286c67379SJames Smart */ 3053d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_DONE; 305486c67379SJames Smart if ((ctxp->flag & LPFC_NVMET_CTX_RLS) && 305586c67379SJames Smart !(ctxp->flag & LPFC_NVMET_XBUSY)) { 3056c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 305779d8c4ceSJames Smart list_del_init(&ctxp->list); 3058c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 305919b58d94SJames Smart released = true; 306086c67379SJames Smart } 306119b58d94SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 306219b58d94SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3063547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp); 306419b58d94SJames Smart 306586c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 306679d8c4ceSJames Smart "6316 ABTS cmpl oxid x%x flg x%x (%x) " 306786c67379SJames Smart "WCQE: %08x %08x %08x %08x\n", 306886c67379SJames Smart ctxp->oxid, ctxp->flag, released, 306986c67379SJames Smart wcqe->word0, wcqe->total_data_placed, 307086c67379SJames Smart result, wcqe->word3); 30716c621a22SJames Smart 30726c621a22SJames Smart cmdwqe->context2 = NULL; 30736c621a22SJames Smart cmdwqe->context3 = NULL; 307419b58d94SJames Smart /* 307519b58d94SJames Smart * if transport has released ctx, then can reuse it. Otherwise, 307619b58d94SJames Smart * will be recycled by transport release call. 307719b58d94SJames Smart */ 307819b58d94SJames Smart if (released) 30796c621a22SJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 308086c67379SJames Smart 308186c67379SJames Smart /* Since iaab/iaar are NOT set, there is no work left. 308286c67379SJames Smart * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted 308386c67379SJames Smart * should have been called already. 308486c67379SJames Smart */ 3085d613b6a7SJames Smart } 3086d613b6a7SJames Smart 3087d613b6a7SJames Smart /** 3088d613b6a7SJames Smart * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS 3089d613b6a7SJames Smart * @phba: Pointer to HBA context object. 3090d613b6a7SJames Smart * @cmdwqe: Pointer to driver command WQE object. 3091d613b6a7SJames Smart * @wcqe: Pointer to driver response CQE object. 3092d613b6a7SJames Smart * 3093d613b6a7SJames Smart * The function is called from SLI ring event handler with no 3094d613b6a7SJames Smart * lock held. This function is the completion handler for NVME ABTS for LS cmds 3095d613b6a7SJames Smart * The function frees memory resources used for the NVME commands. 3096d613b6a7SJames Smart **/ 3097d613b6a7SJames Smart static void 3098d613b6a7SJames Smart lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, 3099d613b6a7SJames Smart struct lpfc_wcqe_complete *wcqe) 3100d613b6a7SJames Smart { 3101d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp; 3102d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3103b27cbd55SBart Van Assche uint32_t result; 3104d613b6a7SJames Smart 3105d613b6a7SJames Smart ctxp = cmdwqe->context2; 3106d613b6a7SJames Smart result = wcqe->parameter; 3107d613b6a7SJames Smart 3108d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3109547077a4SJames Smart atomic_inc(&tgtp->xmt_ls_abort_cmpl); 3110d613b6a7SJames Smart 3111d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 311232350664SJames Smart "6083 Abort cmpl: ctx x%px WCQE:%08x %08x %08x %08x\n", 3113d613b6a7SJames Smart ctxp, wcqe->word0, wcqe->total_data_placed, 3114d613b6a7SJames Smart result, wcqe->word3); 3115d613b6a7SJames Smart 3116ce1b591cSJames Smart if (!ctxp) { 3117ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3118ce1b591cSJames Smart "6415 NVMET LS Abort No ctx: WCQE: " 3119ce1b591cSJames Smart "%08x %08x %08x %08x\n", 3120ce1b591cSJames Smart wcqe->word0, wcqe->total_data_placed, 3121ce1b591cSJames Smart result, wcqe->word3); 3122ce1b591cSJames Smart 3123ce1b591cSJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 3124ce1b591cSJames Smart return; 3125ce1b591cSJames Smart } 3126ce1b591cSJames Smart 3127ce1b591cSJames Smart if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) { 3128ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3129ce1b591cSJames Smart "6416 NVMET LS abort cmpl state mismatch: " 3130ce1b591cSJames Smart "oxid x%x: %d %d\n", 3131ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 3132ce1b591cSJames Smart } 3133ce1b591cSJames Smart 3134d613b6a7SJames Smart cmdwqe->context2 = NULL; 3135d613b6a7SJames Smart cmdwqe->context3 = NULL; 3136d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, cmdwqe); 3137d613b6a7SJames Smart kfree(ctxp); 3138d613b6a7SJames Smart } 3139d613b6a7SJames Smart 3140d613b6a7SJames Smart static int 3141d613b6a7SJames Smart lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, 3142d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3143d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3144d613b6a7SJames Smart { 3145d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3146d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3147205e8240SJames Smart union lpfc_wqe128 *wqe_abts; 3148d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 3149d613b6a7SJames Smart 3150d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 315186c67379SJames Smart "6067 ABTS: sid %x xri x%x/x%x\n", 3152318083adSJames Smart sid, xri, ctxp->wqeq->sli4_xritag); 3153d613b6a7SJames Smart 3154d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3155d613b6a7SJames Smart 3156d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 3157d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 3158d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 3159d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 3160d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3161ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3162d613b6a7SJames Smart "6134 Drop ABTS - wrong NDLP state x%x.\n", 3163b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 3164d613b6a7SJames Smart 3165d613b6a7SJames Smart /* No failure to an ABTS request. */ 3166d613b6a7SJames Smart return 0; 3167d613b6a7SJames Smart } 3168d613b6a7SJames Smart 3169d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 3170d613b6a7SJames Smart wqe_abts = &abts_wqeq->wqe; 3171d613b6a7SJames Smart 3172d613b6a7SJames Smart /* 3173d613b6a7SJames Smart * Since we zero the whole WQE, we need to ensure we set the WQE fields 3174d613b6a7SJames Smart * that were initialized in lpfc_sli4_nvmet_alloc. 3175d613b6a7SJames Smart */ 3176d613b6a7SJames Smart memset(wqe_abts, 0, sizeof(union lpfc_wqe)); 3177d613b6a7SJames Smart 3178d613b6a7SJames Smart /* Word 5 */ 3179d613b6a7SJames Smart bf_set(wqe_dfctl, &wqe_abts->xmit_sequence.wge_ctl, 0); 3180d613b6a7SJames Smart bf_set(wqe_ls, &wqe_abts->xmit_sequence.wge_ctl, 1); 3181d613b6a7SJames Smart bf_set(wqe_la, &wqe_abts->xmit_sequence.wge_ctl, 0); 3182d613b6a7SJames Smart bf_set(wqe_rctl, &wqe_abts->xmit_sequence.wge_ctl, FC_RCTL_BA_ABTS); 3183d613b6a7SJames Smart bf_set(wqe_type, &wqe_abts->xmit_sequence.wge_ctl, FC_TYPE_BLS); 3184d613b6a7SJames Smart 3185d613b6a7SJames Smart /* Word 6 */ 3186d613b6a7SJames Smart bf_set(wqe_ctxt_tag, &wqe_abts->xmit_sequence.wqe_com, 3187d613b6a7SJames Smart phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); 3188d613b6a7SJames Smart bf_set(wqe_xri_tag, &wqe_abts->xmit_sequence.wqe_com, 3189d613b6a7SJames Smart abts_wqeq->sli4_xritag); 3190d613b6a7SJames Smart 3191d613b6a7SJames Smart /* Word 7 */ 3192d613b6a7SJames Smart bf_set(wqe_cmnd, &wqe_abts->xmit_sequence.wqe_com, 3193d613b6a7SJames Smart CMD_XMIT_SEQUENCE64_WQE); 3194d613b6a7SJames Smart bf_set(wqe_ct, &wqe_abts->xmit_sequence.wqe_com, SLI4_CT_RPI); 3195d613b6a7SJames Smart bf_set(wqe_class, &wqe_abts->xmit_sequence.wqe_com, CLASS3); 3196d613b6a7SJames Smart bf_set(wqe_pu, &wqe_abts->xmit_sequence.wqe_com, 0); 3197d613b6a7SJames Smart 3198d613b6a7SJames Smart /* Word 8 */ 3199d613b6a7SJames Smart wqe_abts->xmit_sequence.wqe_com.abort_tag = abts_wqeq->iotag; 3200d613b6a7SJames Smart 3201d613b6a7SJames Smart /* Word 9 */ 3202d613b6a7SJames Smart bf_set(wqe_reqtag, &wqe_abts->xmit_sequence.wqe_com, abts_wqeq->iotag); 3203d613b6a7SJames Smart /* Needs to be set by caller */ 3204d613b6a7SJames Smart bf_set(wqe_rcvoxid, &wqe_abts->xmit_sequence.wqe_com, xri); 3205d613b6a7SJames Smart 3206d613b6a7SJames Smart /* Word 10 */ 3207d613b6a7SJames Smart bf_set(wqe_dbde, &wqe_abts->xmit_sequence.wqe_com, 1); 3208d613b6a7SJames Smart bf_set(wqe_iod, &wqe_abts->xmit_sequence.wqe_com, LPFC_WQE_IOD_WRITE); 3209d613b6a7SJames Smart bf_set(wqe_lenloc, &wqe_abts->xmit_sequence.wqe_com, 3210d613b6a7SJames Smart LPFC_WQE_LENLOC_WORD12); 3211d613b6a7SJames Smart bf_set(wqe_ebde_cnt, &wqe_abts->xmit_sequence.wqe_com, 0); 3212d613b6a7SJames Smart bf_set(wqe_qosd, &wqe_abts->xmit_sequence.wqe_com, 0); 3213d613b6a7SJames Smart 3214d613b6a7SJames Smart /* Word 11 */ 3215d613b6a7SJames Smart bf_set(wqe_cqid, &wqe_abts->xmit_sequence.wqe_com, 3216d613b6a7SJames Smart LPFC_WQE_CQ_ID_DEFAULT); 3217d613b6a7SJames Smart bf_set(wqe_cmd_type, &wqe_abts->xmit_sequence.wqe_com, 3218d613b6a7SJames Smart OTHER_COMMAND); 3219d613b6a7SJames Smart 3220d613b6a7SJames Smart abts_wqeq->vport = phba->pport; 3221d613b6a7SJames Smart abts_wqeq->context1 = ndlp; 3222d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 3223d613b6a7SJames Smart abts_wqeq->context3 = NULL; 3224d613b6a7SJames Smart abts_wqeq->rsvd2 = 0; 3225d613b6a7SJames Smart /* hba_wqidx should already be setup from command we are aborting */ 3226d613b6a7SJames Smart abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; 3227d613b6a7SJames Smart abts_wqeq->iocb.ulpLe = 1; 3228d613b6a7SJames Smart 3229d613b6a7SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 3230d613b6a7SJames Smart "6069 Issue ABTS to xri x%x reqtag x%x\n", 3231d613b6a7SJames Smart xri, abts_wqeq->iotag); 3232d613b6a7SJames Smart return 1; 3233d613b6a7SJames Smart } 3234d613b6a7SJames Smart 3235d613b6a7SJames Smart static int 3236d613b6a7SJames Smart lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, 3237d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3238d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3239d613b6a7SJames Smart { 3240d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3241d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3242d613b6a7SJames Smart struct lpfc_nodelist *ndlp; 3243d613b6a7SJames Smart unsigned long flags; 324451f8e43eSJames Smart u8 opt; 3245d613b6a7SJames Smart int rc; 3246d613b6a7SJames Smart 3247d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3248d613b6a7SJames Smart if (!ctxp->wqeq) { 32496c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 3250d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 3251d613b6a7SJames Smart } 3252d613b6a7SJames Smart 3253d613b6a7SJames Smart ndlp = lpfc_findnode_did(phba->pport, sid); 3254d613b6a7SJames Smart if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || 3255d613b6a7SJames Smart ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && 3256d613b6a7SJames Smart (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { 3257d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3258ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 325986c67379SJames Smart "6160 Drop ABORT - wrong NDLP state x%x.\n", 3260b5ccc7d6SJames Smart (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); 3261d613b6a7SJames Smart 3262d613b6a7SJames Smart /* No failure to an ABTS request. */ 3263c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 326486c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3265c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3266d613b6a7SJames Smart return 0; 3267d613b6a7SJames Smart } 3268d613b6a7SJames Smart 3269d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3270d613b6a7SJames Smart ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); 3271c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 3272d613b6a7SJames Smart if (!ctxp->abort_wqeq) { 3273547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3274ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 327586c67379SJames Smart "6161 ABORT failed: No wqeqs: " 3276d613b6a7SJames Smart "xri: x%x\n", ctxp->oxid); 3277d613b6a7SJames Smart /* No failure to an ABTS request. */ 327886c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3279c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3280d613b6a7SJames Smart return 0; 3281d613b6a7SJames Smart } 3282d613b6a7SJames Smart abts_wqeq = ctxp->abort_wqeq; 3283d613b6a7SJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 328451f8e43eSJames Smart opt = (ctxp->flag & LPFC_NVMET_ABTS_RCV) ? INHIBIT_ABORT : 0; 3285c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3286d613b6a7SJames Smart 3287d613b6a7SJames Smart /* Announce entry to new IO submit field. */ 328886c67379SJames Smart lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, 328986c67379SJames Smart "6162 ABORT Request to rport DID x%06x " 3290d613b6a7SJames Smart "for xri x%x x%x\n", 3291d613b6a7SJames Smart ctxp->sid, ctxp->oxid, ctxp->wqeq->sli4_xritag); 3292d613b6a7SJames Smart 3293d613b6a7SJames Smart /* If the hba is getting reset, this flag is set. It is 3294d613b6a7SJames Smart * cleared when the reset is complete and rings reestablished. 3295d613b6a7SJames Smart */ 3296d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3297d613b6a7SJames Smart /* driver queued commands are in process of being flushed */ 3298c00f62e6SJames Smart if (phba->hba_flag & HBA_IOQ_FLUSH) { 3299d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3300547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3301d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3302d613b6a7SJames Smart "6163 Driver in reset cleanup - flushing " 3303d613b6a7SJames Smart "NVME Req now. hba_flag x%x oxid x%x\n", 3304d613b6a7SJames Smart phba->hba_flag, ctxp->oxid); 3305d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3306c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 330786c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3308c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3309d613b6a7SJames Smart return 0; 3310d613b6a7SJames Smart } 3311d613b6a7SJames Smart 3312d613b6a7SJames Smart /* Outstanding abort is in progress */ 3313d613b6a7SJames Smart if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { 3314d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3315547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3316d613b6a7SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME, 3317d613b6a7SJames Smart "6164 Outstanding NVME I/O Abort Request " 3318d613b6a7SJames Smart "still pending on oxid x%x\n", 3319d613b6a7SJames Smart ctxp->oxid); 3320d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3321c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 332286c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3323c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3324d613b6a7SJames Smart return 0; 3325d613b6a7SJames Smart } 3326d613b6a7SJames Smart 3327d613b6a7SJames Smart /* Ready - mark outstanding as aborted by driver. */ 3328d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; 3329d613b6a7SJames Smart 333051f8e43eSJames Smart lpfc_nvme_prep_abort_wqe(abts_wqeq, ctxp->wqeq->sli4_xritag, opt); 3331d613b6a7SJames Smart 3332d613b6a7SJames Smart /* ABTS WQE must go to the same WQ as the WQE to be aborted */ 3333d613b6a7SJames Smart abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; 3334d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; 3335d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3336d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME; 3337d613b6a7SJames Smart abts_wqeq->context2 = ctxp; 33384550f9c7SJames Smart abts_wqeq->vport = phba->pport; 33391fbf9742SJames Smart if (!ctxp->hdwq) 33401fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 33411fbf9742SJames Smart 33421fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3343d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3344547077a4SJames Smart if (rc == WQE_SUCCESS) { 3345547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_sol); 3346d613b6a7SJames Smart return 0; 3347547077a4SJames Smart } 3348d613b6a7SJames Smart 3349547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3350c160c0f8SJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 335186c67379SJames Smart ctxp->flag &= ~LPFC_NVMET_ABORT_OP; 3352c160c0f8SJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 3353d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 335486c67379SJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 335586c67379SJames Smart "6166 Failed ABORT issue_wqe with status x%x " 3356d613b6a7SJames Smart "for oxid x%x.\n", 3357d613b6a7SJames Smart rc, ctxp->oxid); 3358d613b6a7SJames Smart return 1; 3359d613b6a7SJames Smart } 3360d613b6a7SJames Smart 3361d613b6a7SJames Smart static int 3362d613b6a7SJames Smart lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, 3363d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3364d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3365d613b6a7SJames Smart { 3366d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3367d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3368d613b6a7SJames Smart unsigned long flags; 3369c160c0f8SJames Smart bool released = false; 3370d613b6a7SJames Smart int rc; 3371d613b6a7SJames Smart 3372d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3373d613b6a7SJames Smart if (!ctxp->wqeq) { 33746c621a22SJames Smart ctxp->wqeq = ctxp->ctxbuf->iocbq; 3375d613b6a7SJames Smart ctxp->wqeq->hba_wqidx = 0; 3376d613b6a7SJames Smart } 3377d613b6a7SJames Smart 3378ce1b591cSJames Smart if (ctxp->state == LPFC_NVMET_STE_FREE) { 3379ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3380ce1b591cSJames Smart "6417 NVMET ABORT ctx freed %d %d oxid x%x\n", 3381ce1b591cSJames Smart ctxp->state, ctxp->entry_cnt, ctxp->oxid); 3382ce1b591cSJames Smart rc = WQE_BUSY; 3383ce1b591cSJames Smart goto aerr; 3384ce1b591cSJames Smart } 3385ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_ABORT; 3386ce1b591cSJames Smart ctxp->entry_cnt++; 3387d613b6a7SJames Smart rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); 3388d613b6a7SJames Smart if (rc == 0) 3389d613b6a7SJames Smart goto aerr; 3390d613b6a7SJames Smart 3391d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3392d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 339386c67379SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; 339486c67379SJames Smart abts_wqeq->iocb_cmpl = NULL; 3395d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVMET; 33961fbf9742SJames Smart if (!ctxp->hdwq) 33971fbf9742SJames Smart ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; 33981fbf9742SJames Smart 33991fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3400d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3401d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3402d613b6a7SJames Smart return 0; 3403d613b6a7SJames Smart } 3404d613b6a7SJames Smart 3405d613b6a7SJames Smart aerr: 340668c9b55dSJames Smart spin_lock_irqsave(&ctxp->ctxlock, flags); 3407c160c0f8SJames Smart if (ctxp->flag & LPFC_NVMET_CTX_RLS) { 3408c160c0f8SJames Smart spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 340979d8c4ceSJames Smart list_del_init(&ctxp->list); 3410c160c0f8SJames Smart spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock); 3411c160c0f8SJames Smart released = true; 3412c160c0f8SJames Smart } 341368c9b55dSJames Smart ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS); 341468c9b55dSJames Smart spin_unlock_irqrestore(&ctxp->ctxlock, flags); 341568c9b55dSJames Smart 3416d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3417ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 341879d8c4ceSJames Smart "6135 Failed to Issue ABTS for oxid x%x. Status x%x " 341979d8c4ceSJames Smart "(%x)\n", 342079d8c4ceSJames Smart ctxp->oxid, rc, released); 3421c160c0f8SJames Smart if (released) 342268c9b55dSJames Smart lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); 3423d613b6a7SJames Smart return 1; 3424d613b6a7SJames Smart } 3425d613b6a7SJames Smart 3426d613b6a7SJames Smart static int 3427d613b6a7SJames Smart lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, 3428d613b6a7SJames Smart struct lpfc_nvmet_rcv_ctx *ctxp, 3429d613b6a7SJames Smart uint32_t sid, uint16_t xri) 3430d613b6a7SJames Smart { 3431d613b6a7SJames Smart struct lpfc_nvmet_tgtport *tgtp; 3432d613b6a7SJames Smart struct lpfc_iocbq *abts_wqeq; 3433d613b6a7SJames Smart unsigned long flags; 3434d613b6a7SJames Smart int rc; 3435d613b6a7SJames Smart 3436ce1b591cSJames Smart if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) || 3437ce1b591cSJames Smart (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) { 3438ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3439ce1b591cSJames Smart ctxp->entry_cnt++; 3440ce1b591cSJames Smart } else { 3441ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, 3442ce1b591cSJames Smart "6418 NVMET LS abort state mismatch " 3443ce1b591cSJames Smart "IO x%x: %d %d\n", 3444ce1b591cSJames Smart ctxp->oxid, ctxp->state, ctxp->entry_cnt); 3445ce1b591cSJames Smart ctxp->state = LPFC_NVMET_STE_LS_ABORT; 3446ce1b591cSJames Smart } 3447ce1b591cSJames Smart 3448d613b6a7SJames Smart tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; 3449d613b6a7SJames Smart if (!ctxp->wqeq) { 3450d613b6a7SJames Smart /* Issue ABTS for this WQE based on iotag */ 3451d613b6a7SJames Smart ctxp->wqeq = lpfc_sli_get_iocbq(phba); 3452d613b6a7SJames Smart if (!ctxp->wqeq) { 3453ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3454d613b6a7SJames Smart "6068 Abort failed: No wqeqs: " 3455d613b6a7SJames Smart "xri: x%x\n", xri); 3456d613b6a7SJames Smart /* No failure to an ABTS request. */ 3457d613b6a7SJames Smart kfree(ctxp); 3458d613b6a7SJames Smart return 0; 3459d613b6a7SJames Smart } 3460d613b6a7SJames Smart } 3461d613b6a7SJames Smart abts_wqeq = ctxp->wqeq; 34626c621a22SJames Smart 3463ce1b591cSJames Smart if (lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri) == 0) { 3464ce1b591cSJames Smart rc = WQE_BUSY; 3465ce1b591cSJames Smart goto out; 3466ce1b591cSJames Smart } 3467d613b6a7SJames Smart 3468d613b6a7SJames Smart spin_lock_irqsave(&phba->hbalock, flags); 3469d613b6a7SJames Smart abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; 3470d613b6a7SJames Smart abts_wqeq->iocb_cmpl = 0; 3471d613b6a7SJames Smart abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; 34721fbf9742SJames Smart rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); 3473d613b6a7SJames Smart spin_unlock_irqrestore(&phba->hbalock, flags); 3474d613b6a7SJames Smart if (rc == WQE_SUCCESS) { 3475547077a4SJames Smart atomic_inc(&tgtp->xmt_abort_unsol); 3476d613b6a7SJames Smart return 0; 3477d613b6a7SJames Smart } 3478ce1b591cSJames Smart out: 3479d613b6a7SJames Smart atomic_inc(&tgtp->xmt_abort_rsp_error); 3480d613b6a7SJames Smart abts_wqeq->context2 = NULL; 3481d613b6a7SJames Smart abts_wqeq->context3 = NULL; 3482d613b6a7SJames Smart lpfc_sli_release_iocbq(phba, abts_wqeq); 3483d613b6a7SJames Smart kfree(ctxp); 3484ce1b591cSJames Smart lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, 3485d613b6a7SJames Smart "6056 Failed to Issue ABTS. Status x%x\n", rc); 3486d613b6a7SJames Smart return 0; 3487d613b6a7SJames Smart } 3488