^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * QLogic iSCSI Offload Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2016 Cavium Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <scsi/scsi_tcq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "qedi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "qedi_iscsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "qedi_gbl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "qedi_fw_iscsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "qedi_fw_scsi.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct iscsi_task *mtask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) void qedi_iscsi_unmap_sg_list(struct qedi_cmd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct scsi_cmnd *sc = cmd->scsi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) if (cmd->io_tbl.sge_valid && sc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) cmd->io_tbl.sge_valid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) scsi_dma_unmap(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static void qedi_process_logout_resp(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct iscsi_logout_rsp *resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct iscsi_logout_response_hdr *cqe_logout_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) cqe_logout_response = &cqe->cqe_common.iscsi_hdr.logout_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) spin_lock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) resp_hdr = (struct iscsi_logout_rsp *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) resp_hdr->opcode = cqe_logout_response->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) resp_hdr->flags = cqe_logout_response->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) resp_hdr->hlength = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) resp_hdr->itt = build_itt(cqe->cqe_solicited.itid, conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) resp_hdr->statsn = cpu_to_be32(cqe_logout_response->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) resp_hdr->exp_cmdsn = cpu_to_be32(cqe_logout_response->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) resp_hdr->max_cmdsn = cpu_to_be32(cqe_logout_response->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) resp_hdr->t2wait = cpu_to_be32(cqe_logout_response->time_2_wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) resp_hdr->t2retain = cpu_to_be32(cqe_logout_response->time_2_retain);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) "Active cmd list node already deleted, tid=0x%x, cid=0x%x, io_cmd_node=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) cmd->task_id, qedi_conn->iscsi_conn_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) &cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) spin_unlock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static void qedi_process_text_resp(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct e4_iscsi_task_context *task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct iscsi_text_rsp *resp_hdr_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct iscsi_text_response_hdr *cqe_text_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int pld_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) task_ctx = qedi_get_task_mem(&qedi->tasks, cmd->task_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) cqe_text_response = &cqe->cqe_common.iscsi_hdr.text_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) spin_lock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) resp_hdr_ptr = (struct iscsi_text_rsp *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) memset(resp_hdr_ptr, 0, sizeof(struct iscsi_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) resp_hdr_ptr->opcode = cqe_text_response->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) resp_hdr_ptr->flags = cqe_text_response->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) resp_hdr_ptr->hlength = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) hton24(resp_hdr_ptr->dlength,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) (cqe_text_response->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) resp_hdr_ptr->itt = build_itt(cqe->cqe_solicited.itid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) resp_hdr_ptr->ttt = cqe_text_response->ttt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) resp_hdr_ptr->statsn = cpu_to_be32(cqe_text_response->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) resp_hdr_ptr->exp_cmdsn = cpu_to_be32(cqe_text_response->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) resp_hdr_ptr->max_cmdsn = cpu_to_be32(cqe_text_response->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) pld_len = cqe_text_response->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) qedi_conn->gen_pdu.resp_wr_ptr = qedi_conn->gen_pdu.resp_buf + pld_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) memset(task_ctx, '\0', sizeof(*task_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) "Active cmd list node already deleted, tid=0x%x, cid=0x%x, io_cmd_node=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) cmd->task_id, qedi_conn->iscsi_conn_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) &cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) qedi_conn->gen_pdu.resp_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) (qedi_conn->gen_pdu.resp_wr_ptr -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) qedi_conn->gen_pdu.resp_buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) spin_unlock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static void qedi_tmf_resp_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct qedi_cmd *qedi_cmd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) container_of(work, struct qedi_cmd, tmf_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct qedi_conn *qedi_conn = qedi_cmd->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct iscsi_tm_rsp *resp_hdr_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) set_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) resp_hdr_ptr = (struct iscsi_tm_rsp *)qedi_cmd->tmf_resp_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) rval = qedi_cleanup_all_io(qedi, qedi_conn, qedi_cmd->task, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) goto exit_tmf_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) spin_lock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) spin_unlock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) exit_tmf_resp:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) kfree(resp_hdr_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) clear_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static void qedi_process_tmf_resp(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct iscsi_tmf_response_hdr *cqe_tmp_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct iscsi_tm_rsp *resp_hdr_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct iscsi_tm *tmf_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct qedi_cmd *qedi_cmd = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) cqe_tmp_response = &cqe->cqe_common.iscsi_hdr.tmf_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) qedi_cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) qedi_cmd->tmf_resp_buf = kzalloc(sizeof(*resp_hdr_ptr), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (!qedi_cmd->tmf_resp_buf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) QEDI_ERR(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) "Failed to allocate resp buf, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) spin_lock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) resp_hdr_ptr = (struct iscsi_tm_rsp *)qedi_cmd->tmf_resp_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) memset(resp_hdr_ptr, 0, sizeof(struct iscsi_tm_rsp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /* Fill up the header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) resp_hdr_ptr->opcode = cqe_tmp_response->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) resp_hdr_ptr->flags = cqe_tmp_response->hdr_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) resp_hdr_ptr->response = cqe_tmp_response->hdr_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) resp_hdr_ptr->hlength = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) hton24(resp_hdr_ptr->dlength,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) (cqe_tmp_response->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) resp_hdr_ptr->itt = build_itt(cqe->cqe_solicited.itid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) resp_hdr_ptr->statsn = cpu_to_be32(cqe_tmp_response->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) resp_hdr_ptr->exp_cmdsn = cpu_to_be32(cqe_tmp_response->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) resp_hdr_ptr->max_cmdsn = cpu_to_be32(cqe_tmp_response->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) tmf_hdr = (struct iscsi_tm *)qedi_cmd->task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (likely(qedi_cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) qedi_cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) list_del_init(&qedi_cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) ISCSI_TM_FUNC_LOGICAL_UNIT_RESET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) ISCSI_TM_FUNC_TARGET_WARM_RESET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) ISCSI_TM_FUNC_TARGET_COLD_RESET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) INIT_WORK(&qedi_cmd->tmf_work, qedi_tmf_resp_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) queue_work(qedi->tmf_thread, &qedi_cmd->tmf_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) goto unblock_sess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) kfree(resp_hdr_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) unblock_sess:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) spin_unlock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static void qedi_process_login_resp(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) struct e4_iscsi_task_context *task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct iscsi_login_rsp *resp_hdr_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) struct iscsi_login_response_hdr *cqe_login_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) int pld_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) cqe_login_response = &cqe->cqe_common.iscsi_hdr.login_response;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) task_ctx = qedi_get_task_mem(&qedi->tasks, cmd->task_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) spin_lock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) resp_hdr_ptr = (struct iscsi_login_rsp *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) memset(resp_hdr_ptr, 0, sizeof(struct iscsi_login_rsp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) resp_hdr_ptr->opcode = cqe_login_response->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) resp_hdr_ptr->flags = cqe_login_response->flags_attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) resp_hdr_ptr->hlength = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) hton24(resp_hdr_ptr->dlength,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) (cqe_login_response->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) resp_hdr_ptr->itt = build_itt(cqe->cqe_solicited.itid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) resp_hdr_ptr->tsih = cqe_login_response->tsih;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) resp_hdr_ptr->statsn = cpu_to_be32(cqe_login_response->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) resp_hdr_ptr->exp_cmdsn = cpu_to_be32(cqe_login_response->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) resp_hdr_ptr->max_cmdsn = cpu_to_be32(cqe_login_response->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) resp_hdr_ptr->status_class = cqe_login_response->status_class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) resp_hdr_ptr->status_detail = cqe_login_response->status_detail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) pld_len = cqe_login_response->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) qedi_conn->gen_pdu.resp_wr_ptr = qedi_conn->gen_pdu.resp_buf + pld_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) memset(task_ctx, '\0', sizeof(*task_ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) qedi_conn->gen_pdu.resp_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) (qedi_conn->gen_pdu.resp_wr_ptr -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) qedi_conn->gen_pdu.resp_buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) spin_unlock(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct iscsi_cqe_unsolicited *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) char *ptr, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) u16 idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) "pld_len [%d], bdq_prod_idx [%d], idx [%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) len, qedi->bdq_prod_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) (qedi->bdq_prod_idx % qedi->rq_num_entries));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /* Obtain buffer address from rqe_opaque */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) idx = cqe->rqe_opaque;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (idx > (QEDI_BDQ_NUM - 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) "wrong idx %d returned by FW, dropping the unsolicited pkt\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) "rqe_opaque [0x%p], idx [%d]\n", cqe->rqe_opaque, idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) "unsol_cqe_type = %d\n", cqe->unsol_cqe_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) switch (cqe->unsol_cqe_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) case ISCSI_CQE_UNSOLICITED_SINGLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) case ISCSI_CQE_UNSOLICITED_FIRST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) memcpy(ptr, (void *)qedi->bdq[idx].buf_addr, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) case ISCSI_CQE_UNSOLICITED_MIDDLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) case ISCSI_CQE_UNSOLICITED_LAST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static void qedi_put_rq_bdq_buf(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct iscsi_cqe_unsolicited *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) u16 idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct scsi_bd *pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* Obtain buffer address from rqe_opaque */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) idx = cqe->rqe_opaque;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (idx > (QEDI_BDQ_NUM - 1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) "wrong idx %d returned by FW, dropping the unsolicited pkt\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) pbl = (struct scsi_bd *)qedi->bdq_pbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) pbl += (qedi->bdq_prod_idx % qedi->rq_num_entries);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) pbl->address.hi = cpu_to_le32(QEDI_U64_HI(qedi->bdq[idx].buf_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) pbl->address.lo = cpu_to_le32(QEDI_U64_LO(qedi->bdq[idx].buf_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) "pbl [0x%p] pbl->address hi [0x%llx] lo [0x%llx] idx [%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) pbl, pbl->address.hi, pbl->address.lo, idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) pbl->opaque.iscsi_opaque.reserved_zero[0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) pbl->opaque.iscsi_opaque.reserved_zero[1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) pbl->opaque.iscsi_opaque.reserved_zero[2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) pbl->opaque.iscsi_opaque.opaque = cpu_to_le32(idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /* Increment producer to let f/w know we've handled the frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) qedi->bdq_prod_idx += count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) writew(qedi->bdq_prod_idx, qedi->bdq_primary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) readw(qedi->bdq_primary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) writew(qedi->bdq_prod_idx, qedi->bdq_secondary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) readw(qedi->bdq_secondary_prod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) static void qedi_unsol_pdu_adjust_bdq(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) struct iscsi_cqe_unsolicited *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) u32 pdu_len, u32 num_bdqs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) char *bdq_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) "num_bdqs [%d]\n", num_bdqs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) qedi_get_rq_bdq_buf(qedi, cqe, bdq_data, pdu_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) qedi_put_rq_bdq_buf(qedi, cqe, (num_bdqs + 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static int qedi_process_nopin_mesg(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) struct qedi_conn *qedi_conn, u16 que_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) struct iscsi_nop_in_hdr *cqe_nop_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) struct iscsi_nopin *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) int tgt_async_nop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) u32 lun[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) u32 pdu_len, num_bdqs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) char bdq_data[QEDI_BDQ_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) cqe_nop_in = &cqe->cqe_common.iscsi_hdr.nop_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) pdu_len = cqe_nop_in->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) num_bdqs = pdu_len / QEDI_BDQ_BUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) hdr = (struct iscsi_nopin *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) memset(hdr, 0, sizeof(struct iscsi_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) hdr->opcode = cqe_nop_in->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) hdr->max_cmdsn = cpu_to_be32(cqe_nop_in->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) hdr->exp_cmdsn = cpu_to_be32(cqe_nop_in->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) hdr->statsn = cpu_to_be32(cqe_nop_in->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) hdr->ttt = cpu_to_be32(cqe_nop_in->ttt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if (cqe->cqe_common.cqe_type == ISCSI_CQE_TYPE_UNSOLICITED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) spin_lock_irqsave(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) qedi_unsol_pdu_adjust_bdq(qedi, &cqe->cqe_unsolicited,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) pdu_len, num_bdqs, bdq_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) hdr->itt = RESERVED_ITT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) tgt_async_nop = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) spin_unlock_irqrestore(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) /* Response to one of our nop-outs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (task) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) hdr->flags = ISCSI_FLAG_CMD_FINAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) hdr->itt = build_itt(cqe->cqe_solicited.itid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) lun[0] = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) lun[1] = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) memcpy(&hdr->lun, lun, sizeof(struct scsi_lun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, bdq_data, pdu_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) return tgt_async_nop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) static void qedi_process_async_mesg(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) u16 que_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) struct iscsi_async_msg_hdr *cqe_async_msg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) struct iscsi_async *resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) u32 lun[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) u32 pdu_len, num_bdqs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) char bdq_data[QEDI_BDQ_BUF_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) cqe_async_msg = &cqe->cqe_common.iscsi_hdr.async_msg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) pdu_len = cqe_async_msg->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) num_bdqs = pdu_len / QEDI_BDQ_BUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) if (cqe->cqe_common.cqe_type == ISCSI_CQE_TYPE_UNSOLICITED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) spin_lock_irqsave(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) qedi_unsol_pdu_adjust_bdq(qedi, &cqe->cqe_unsolicited,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) pdu_len, num_bdqs, bdq_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) spin_unlock_irqrestore(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) resp_hdr = (struct iscsi_async *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) memset(resp_hdr, 0, sizeof(struct iscsi_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) resp_hdr->opcode = cqe_async_msg->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) resp_hdr->flags = 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) lun[0] = cpu_to_be32(cqe_async_msg->lun.lo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) lun[1] = cpu_to_be32(cqe_async_msg->lun.hi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) memcpy(&resp_hdr->lun, lun, sizeof(struct scsi_lun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) resp_hdr->exp_cmdsn = cpu_to_be32(cqe_async_msg->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) resp_hdr->max_cmdsn = cpu_to_be32(cqe_async_msg->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) resp_hdr->statsn = cpu_to_be32(cqe_async_msg->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) resp_hdr->async_event = cqe_async_msg->async_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) resp_hdr->async_vcode = cqe_async_msg->async_vcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) resp_hdr->param1 = cpu_to_be16(cqe_async_msg->param1_rsrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) resp_hdr->param2 = cpu_to_be16(cqe_async_msg->param2_rsrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) resp_hdr->param3 = cpu_to_be16(cqe_async_msg->param3_rsrv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, bdq_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) pdu_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) static void qedi_process_reject_mesg(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) uint16_t que_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) struct iscsi_reject_hdr *cqe_reject;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) struct iscsi_reject *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) u32 pld_len, num_bdqs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) cqe_reject = &cqe->cqe_common.iscsi_hdr.reject;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) pld_len = cqe_reject->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) num_bdqs = pld_len / QEDI_BDQ_BUF_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (cqe->cqe_common.cqe_type == ISCSI_CQE_TYPE_UNSOLICITED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) spin_lock_irqsave(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) qedi_unsol_pdu_adjust_bdq(qedi, &cqe->cqe_unsolicited,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) pld_len, num_bdqs, conn->data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) spin_unlock_irqrestore(&qedi->hba_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) hdr = (struct iscsi_reject *)&qedi_conn->gen_pdu.resp_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) memset(hdr, 0, sizeof(struct iscsi_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) hdr->opcode = cqe_reject->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) hdr->reason = cqe_reject->hdr_reason;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) hdr->flags = cqe_reject->hdr_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) hton24(hdr->dlength, (cqe_reject->hdr_second_dword &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) hdr->max_cmdsn = cpu_to_be32(cqe_reject->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) hdr->exp_cmdsn = cpu_to_be32(cqe_reject->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) hdr->statsn = cpu_to_be32(cqe_reject->stat_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) hdr->ffffffff = cpu_to_be32(0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) conn->data, pld_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) static void qedi_scsi_completion(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) struct iscsi_conn *conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) struct scsi_cmnd *sc_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) struct qedi_cmd *cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) struct iscsi_scsi_rsp *hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) struct iscsi_data_in_hdr *cqe_data_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) int datalen = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) struct qedi_conn *qedi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) u32 iscsi_cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) u8 cqe_err_bits = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) iscsi_cid = cqe->cqe_common.conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) qedi_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) cqe_data_in = &cqe->cqe_common.iscsi_hdr.data_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) cqe_err_bits =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) cqe->cqe_common.error_bitmap.error_bits.cqe_error_status_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) /* get the scsi command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) sc_cmd = cmd->scsi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) if (!sc_cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) QEDI_WARN(&qedi->dbg_ctx, "sc_cmd is NULL!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (!sc_cmd->SCp.ptr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) "SCp.ptr is NULL, returned in another context.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (!sc_cmd->request) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) "sc_cmd->request is NULL, sc_cmd=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) if (!sc_cmd->request->q) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) "request->q is NULL so request is not valid, sc_cmd=%p.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) qedi_iscsi_unmap_sg_list(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) hdr = (struct iscsi_scsi_rsp *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) hdr->opcode = cqe_data_in->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) hdr->max_cmdsn = cpu_to_be32(cqe_data_in->max_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) hdr->exp_cmdsn = cpu_to_be32(cqe_data_in->exp_cmd_sn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) hdr->itt = build_itt(cqe->cqe_solicited.itid, conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) hdr->response = cqe_data_in->reserved1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) hdr->cmd_status = cqe_data_in->status_rsvd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) hdr->flags = cqe_data_in->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) hdr->residual_count = cpu_to_be32(cqe_data_in->residual_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) if (hdr->cmd_status == SAM_STAT_CHECK_CONDITION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) datalen = cqe_data_in->reserved2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) memcpy((char *)conn->data, (char *)cmd->sense_buffer, datalen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) /* If f/w reports data underrun err then set residual to IO transfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) * length, set Underrun flag and clear Overrun flag explicitly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) if (unlikely(cqe_err_bits &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) GET_FIELD(cqe_err_bits, CQE_ERROR_BITMAP_UNDER_RUN_ERR))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) "Under flow itt=0x%x proto flags=0x%x tid=0x%x cid 0x%x fw resid 0x%x sc dlen 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) hdr->itt, cqe_data_in->flags, cmd->task_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) qedi_conn->iscsi_conn_id, hdr->residual_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) scsi_bufflen(sc_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) hdr->residual_count = cpu_to_be32(scsi_bufflen(sc_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) hdr->flags |= ISCSI_FLAG_CMD_UNDERFLOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) hdr->flags &= (~ISCSI_FLAG_CMD_OVERFLOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) if (qedi_io_tracing)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) qedi_trace_io(qedi, task, cmd->task_id, QEDI_IO_TRACE_RSP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) conn->data, datalen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) static void qedi_mtask_completion(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) union iscsi_cqe *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) struct qedi_conn *conn, uint16_t que_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) struct iscsi_conn *iscsi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) u32 hdr_opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) hdr_opcode = cqe->cqe_common.iscsi_hdr.common.hdr_first_byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) iscsi_conn = conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) switch (hdr_opcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) case ISCSI_OPCODE_SCSI_RESPONSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) case ISCSI_OPCODE_DATA_IN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) qedi_scsi_completion(qedi, cqe, task, iscsi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) case ISCSI_OPCODE_LOGIN_RESPONSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) qedi_process_login_resp(qedi, cqe, task, conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) case ISCSI_OPCODE_TMF_RESPONSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) qedi_process_tmf_resp(qedi, cqe, task, conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) case ISCSI_OPCODE_TEXT_RESPONSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) qedi_process_text_resp(qedi, cqe, task, conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) case ISCSI_OPCODE_LOGOUT_RESPONSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) qedi_process_logout_resp(qedi, cqe, task, conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) case ISCSI_OPCODE_NOP_IN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) qedi_process_nopin_mesg(qedi, cqe, task, conn, que_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) QEDI_ERR(&qedi->dbg_ctx, "unknown opcode\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) static void qedi_process_nopin_local_cmpl(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) struct iscsi_cqe_solicited *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) struct qedi_cmd *cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_UNSOL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) "itid=0x%x, cmd task id=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) cqe->itid, cmd->task_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) cmd->state = RESPONSE_RECEIVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) __iscsi_put_task(task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) struct iscsi_cqe_solicited *cqe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) struct iscsi_conn *conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) struct qedi_work_map *work, *work_tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) u32 proto_itt = cqe->itid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) u32 ptmp_itt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) itt_t protoitt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) int found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) struct qedi_cmd *qedi_cmd = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) u32 iscsi_cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) struct qedi_conn *qedi_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) struct qedi_cmd *dbg_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) struct iscsi_task *mtask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) struct iscsi_tm *tmf_hdr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) iscsi_cid = cqe->conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) qedi_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) if (!qedi_conn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) "icid not found 0x%x\n", cqe->conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) /* Based on this itt get the corresponding qedi_cmd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) spin_lock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) list_for_each_entry_safe(work, work_tmp, &qedi_conn->tmf_work_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (work->rtid == proto_itt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) /* We found the command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) qedi_cmd = work->qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) if (!qedi_cmd->list_tmf_work) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) "TMF work not found, cqe->tid=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) proto_itt, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) mtask = qedi_cmd->task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) tmf_hdr = (struct iscsi_tm *)mtask->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) list_del_init(&work->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) kfree(work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) qedi_cmd->list_tmf_work = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) spin_unlock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) if (found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) "TMF work, cqe->tid=0x%x, tmf flags=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) proto_itt, tmf_hdr->flags, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) ISCSI_TM_FUNC_ABORT_TASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) spin_lock_bh(&conn->session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) protoitt = build_itt(get_itt(tmf_hdr->rtt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) task = iscsi_itt_to_task(conn, protoitt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) spin_unlock_bh(&conn->session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (!task) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) QEDI_NOTICE(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) "IO task completed, tmf rtt=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) get_itt(tmf_hdr->rtt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) dbg_cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) "Abort tmf rtt=0x%x, i/o itt=0x%x, i/o tid=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) get_itt(tmf_hdr->rtt), get_itt(task->itt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) dbg_cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) if (qedi_cmd->state == CLEANUP_WAIT_FAILED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) qedi_cmd->state = CLEANUP_RECV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) if (likely(dbg_cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) dbg_cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) list_del_init(&dbg_cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) qedi_cmd->state = CLEANUP_RECV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) wake_up_interruptible(&qedi_conn->wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) } else if (qedi_conn->cmd_cleanup_req > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) spin_lock_bh(&conn->session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) protoitt = build_itt(ptmp_itt, conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) task = iscsi_itt_to_task(conn, protoitt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) "cleanup io itid=0x%x, protoitt=0x%x, cmd_cleanup_cmpl=%d, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) cqe->itid, protoitt, qedi_conn->cmd_cleanup_cmpl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) spin_unlock_bh(&conn->session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) if (!task) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) QEDI_NOTICE(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) "task is null, itid=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) cqe->itid, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) qedi_conn->cmd_cleanup_cmpl++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) wake_up(&qedi_conn->wait_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) "Freeing tid=0x%x for cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) cqe->itid, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) protoitt = build_itt(ptmp_itt, conn->session->age);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) task = iscsi_itt_to_task(conn, protoitt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) QEDI_ERR(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) void qedi_fp_process_cqes(struct qedi_work *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) struct qedi_ctx *qedi = work->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) union iscsi_cqe *cqe = &work->cqe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) struct iscsi_task *task = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) struct iscsi_nopout *nopout_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) struct qedi_conn *q_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) struct iscsi_conn *conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) u32 comp_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) u32 iscsi_cid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) u32 hdr_opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) u16 que_idx = work->que_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) u8 cqe_err_bits = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) comp_type = cqe->cqe_common.cqe_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) hdr_opcode = cqe->cqe_common.iscsi_hdr.common.hdr_first_byte;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) cqe_err_bits =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) cqe->cqe_common.error_bitmap.error_bits.cqe_error_status_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) "fw_cid=0x%x, cqe type=0x%x, opcode=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) cqe->cqe_common.conn_id, comp_type, hdr_opcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) if (comp_type >= MAX_ISCSI_CQES_TYPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) QEDI_WARN(&qedi->dbg_ctx, "Invalid CqE type\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) iscsi_cid = cqe->cqe_common.conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) q_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) if (!q_conn) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) "Session no longer exists for cid=0x%x!!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) iscsi_cid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) conn = q_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if (unlikely(cqe_err_bits &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) GET_FIELD(cqe_err_bits,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) CQE_ERROR_BITMAP_DATA_DIGEST_ERR))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) iscsi_conn_failure(conn, ISCSI_ERR_DATA_DGST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) switch (comp_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) case ISCSI_CQE_TYPE_SOLICITED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) case ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) qedi_cmd = container_of(work, struct qedi_cmd, cqe_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) task = qedi_cmd->task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) if (!task) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) QEDI_WARN(&qedi->dbg_ctx, "task is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) /* Process NOPIN local completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) nopout_hdr = (struct iscsi_nopout *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) if ((nopout_hdr->itt == RESERVED_ITT) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) (cqe->cqe_solicited.itid != (u16)RESERVED_ITT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) qedi_process_nopin_local_cmpl(qedi, &cqe->cqe_solicited,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) task, q_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) cqe->cqe_solicited.itid =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) qedi_get_itt(cqe->cqe_solicited);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) /* Process other solicited responses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) qedi_mtask_completion(qedi, cqe, task, q_conn, que_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) case ISCSI_CQE_TYPE_UNSOLICITED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) switch (hdr_opcode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) case ISCSI_OPCODE_NOP_IN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) qedi_process_nopin_mesg(qedi, cqe, task, q_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) que_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) case ISCSI_OPCODE_ASYNC_MSG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) qedi_process_async_mesg(qedi, cqe, task, q_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) que_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) case ISCSI_OPCODE_REJECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) qedi_process_reject_mesg(qedi, cqe, task, q_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) que_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) goto exit_fp_process;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) case ISCSI_CQE_TYPE_DUMMY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, "Dummy CqE\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) goto exit_fp_process;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) case ISCSI_CQE_TYPE_TASK_CLEANUP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, "CleanUp CqE\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) qedi_process_cmd_cleanup_resp(qedi, &cqe->cqe_solicited, task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) goto exit_fp_process;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) QEDI_ERR(&qedi->dbg_ctx, "Error cqe.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) exit_fp_process:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) static void qedi_ring_doorbell(struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) struct iscsi_db_data dbell = { 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) dbell.agg_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) dbell.params |= DB_DEST_XCM << ISCSI_DB_DATA_DEST_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) dbell.params |= DB_AGG_CMD_SET << ISCSI_DB_DATA_AGG_CMD_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) dbell.params |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) DQ_XCM_ISCSI_SQ_PROD_CMD << ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) dbell.sq_prod = qedi_conn->ep->fw_sq_prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) writel(*(u32 *)&dbell, qedi_conn->ep->p_doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) /* Make sure fw write idx is coherent, and include both memory barriers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) * as a failsafe as for some architectures the call is the same but on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) * others they are two different assembly operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) wmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) QEDI_INFO(&qedi_conn->qedi->dbg_ctx, QEDI_LOG_MP_REQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) "prod_idx=0x%x, fw_prod_idx=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) qedi_conn->ep->sq_prod_idx, qedi_conn->ep->fw_sq_prod_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) static u16 qedi_get_wqe_idx(struct qedi_conn *qedi_conn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) u16 rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) rval = ep->sq_prod_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) /* Increament SQ index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) ep->sq_prod_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) ep->fw_sq_prod_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) if (ep->sq_prod_idx == QEDI_SQ_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) ep->sq_prod_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) int qedi_send_iscsi_login(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) struct iscsi_task *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) struct iscsi_login_req_hdr login_req_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) struct scsi_sgl_task_params tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) struct scsi_sgl_task_params rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) struct iscsi_login_req *login_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) struct scsi_sge *resp_sge = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) qedi_cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) login_hdr = (struct iscsi_login_req *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) memset(&login_req_pdu_header, 0, sizeof(login_req_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) login_req_pdu_header.opcode = login_hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) login_req_pdu_header.version_min = login_hdr->min_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) login_req_pdu_header.version_max = login_hdr->max_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) login_req_pdu_header.flags_attr = login_hdr->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) login_req_pdu_header.isid_tabc = swab32p((u32 *)login_hdr->isid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) login_req_pdu_header.isid_d = swab16p((u16 *)&login_hdr->isid[4]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) login_req_pdu_header.tsih = login_hdr->tsih;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) login_req_pdu_header.hdr_second_dword = ntoh24(login_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) login_req_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) login_req_pdu_header.cid = qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) login_req_pdu_header.cmd_sn = be32_to_cpu(login_hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) login_req_pdu_header.exp_stat_sn = be32_to_cpu(login_hdr->exp_statsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) login_req_pdu_header.exp_stat_sn = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) /* Fill tx AHS and rx buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) tx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) tx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) (u32)(qedi_conn->gen_pdu.req_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) tx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) tx_sgl_task_params.total_buffer_size = ntoh24(login_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) tx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) rx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) rx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) (u32)(qedi_conn->gen_pdu.resp_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) rx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) rx_sgl_task_params.total_buffer_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) rx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) task_params.cq_rss_number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) task_params.tx_io_size = ntoh24(login_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) task_params.rx_io_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) rval = init_initiator_login_request_task(&task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) &login_req_pdu_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) &tx_sgl_task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) &rx_sgl_task_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) qedi_cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) int qedi_send_iscsi_logout(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) struct iscsi_task *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) struct iscsi_logout_req_hdr logout_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) struct scsi_sgl_task_params tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) struct scsi_sgl_task_params rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) struct iscsi_logout *logout_hdr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) qedi_cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) logout_hdr = (struct iscsi_logout *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) memset(&logout_pdu_header, 0, sizeof(logout_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) logout_pdu_header.opcode = logout_hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) logout_pdu_header.reason_code = 0x80 | logout_hdr->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) logout_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) logout_pdu_header.exp_stat_sn = be32_to_cpu(logout_hdr->exp_statsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) logout_pdu_header.cmd_sn = be32_to_cpu(logout_hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) logout_pdu_header.cid = qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) task_params.cq_rss_number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) task_params.tx_io_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) task_params.rx_io_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) rval = init_initiator_logout_request_task(&task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) &logout_pdu_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) qedi_cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) int qedi_cleanup_all_io(struct qedi_ctx *qedi, struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) struct iscsi_task *task, bool in_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) struct iscsi_task *ctask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) struct qedi_cmd *cmd, *cmd_tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) struct iscsi_tm *tmf_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) unsigned int lun = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) bool lun_reset = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) /* From recovery, task is NULL or from tmf resp valid task */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) if (task) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) tmf_hdr = (struct iscsi_tm *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) ISCSI_TM_FUNC_LOGICAL_UNIT_RESET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) lun_reset = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) lun = scsilun_to_int(&tmf_hdr->lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) qedi_conn->cmd_cleanup_req = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) qedi_conn->cmd_cleanup_cmpl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) "active_cmd_count=%d, cid=0x%x, in_recovery=%d, lun_reset=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) qedi_conn->active_cmd_count, qedi_conn->iscsi_conn_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) in_recovery, lun_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) if (lun_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) spin_lock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) list_for_each_entry_safe(cmd, cmd_tmp, &qedi_conn->active_cmd_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) io_cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) ctask = cmd->task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) if (ctask == task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) if (lun_reset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) if (cmd->scsi_cmd && cmd->scsi_cmd->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) "tid=0x%x itt=0x%x scsi_cmd_ptr=%p device=%p task_state=%d cmd_state=0%x cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) cmd->task_id, get_itt(ctask->itt),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) cmd->scsi_cmd, cmd->scsi_cmd->device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) ctask->state, cmd->state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) if (cmd->scsi_cmd->device->lun != lun)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) qedi_conn->cmd_cleanup_req++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) qedi_iscsi_cleanup_task(ctask, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) "Deleted active cmd list node io_cmd=%p, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) &cmd->io_cmd, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) if (lun_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) spin_unlock_bh(&session->back_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) "cmd_cleanup_req=%d, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) qedi_conn->cmd_cleanup_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) rval = wait_event_interruptible_timeout(qedi_conn->wait_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) ((qedi_conn->cmd_cleanup_req ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) qedi_conn->cmd_cleanup_cmpl) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) test_bit(QEDI_IN_RECOVERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) &qedi->flags)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 5 * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) "i/o cmd_cleanup_req=%d, equal to cmd_cleanup_cmpl=%d, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) qedi_conn->cmd_cleanup_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) qedi_conn->cmd_cleanup_cmpl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) "i/o cmd_cleanup_req=%d, not equal to cmd_cleanup_cmpl=%d, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) qedi_conn->cmd_cleanup_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) qedi_conn->cmd_cleanup_cmpl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) iscsi_host_for_each_session(qedi->shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) qedi_mark_device_missing);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) qedi_ops->common->drain(qedi->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) /* Enable IOs for all other sessions except current.*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) if (!wait_event_interruptible_timeout(qedi_conn->wait_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) (qedi_conn->cmd_cleanup_req ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) qedi_conn->cmd_cleanup_cmpl) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) test_bit(QEDI_IN_RECOVERY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) &qedi->flags),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 5 * HZ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) iscsi_host_for_each_session(qedi->shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) qedi_mark_device_available);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) iscsi_host_for_each_session(qedi->shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) qedi_mark_device_available);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) void qedi_clearsq(struct qedi_ctx *qedi, struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) struct iscsi_task *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) struct qedi_endpoint *qedi_ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) qedi_ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) qedi_conn->cmd_cleanup_req = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) qedi_conn->cmd_cleanup_cmpl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) if (!qedi_ep) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) QEDI_WARN(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) "Cannot proceed, ep already disconnected, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) "Clearing SQ for cid=0x%x, conn=%p, ep=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) qedi_conn->iscsi_conn_id, qedi_conn, qedi_ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) qedi_ops->clear_sq(qedi->cdev, qedi_ep->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) rval = qedi_cleanup_all_io(qedi, qedi_conn, task, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) if (rval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) QEDI_ERR(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) "fatal error, need hard reset, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) WARN_ON(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) static int qedi_wait_for_cleanup_request(struct qedi_ctx *qedi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) struct qedi_cmd *qedi_cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) struct qedi_work_map *list_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) struct qedi_cmd *cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) int wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) wait = wait_event_interruptible_timeout(qedi_conn->wait_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) ((qedi_cmd->state ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) CLEANUP_RECV) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) ((qedi_cmd->type == TYPEIO) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) (cmd->state ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) RESPONSE_RECEIVED))),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 5 * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) if (!wait) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) qedi_cmd->state = CLEANUP_WAIT_FAILED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) "Cleanup timedout tid=0x%x, issue connection recovery, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) cmd->task_id, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) static void qedi_tmf_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) struct qedi_cmd *qedi_cmd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) container_of(work, struct qedi_cmd, tmf_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) struct qedi_conn *qedi_conn = qedi_cmd->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) struct qedi_work_map *list_work = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) struct iscsi_task *mtask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) struct iscsi_task *ctask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) struct iscsi_tm *tmf_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) s16 rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) mtask = qedi_cmd->task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) tmf_hdr = (struct iscsi_tm *)mtask->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) set_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) ctask = iscsi_itt_to_task(conn, tmf_hdr->rtt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) if (!ctask || !ctask->sc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) QEDI_ERR(&qedi->dbg_ctx, "Task already completed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) goto abort_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) cmd = (struct qedi_cmd *)ctask->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) "Abort tmf rtt=0x%x, cmd itt=0x%x, cmd tid=0x%x, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) get_itt(tmf_hdr->rtt), get_itt(ctask->itt), cmd->task_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) if (qedi_do_not_recover) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) QEDI_ERR(&qedi->dbg_ctx, "DONT SEND CLEANUP/ABORT %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) qedi_do_not_recover);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) goto abort_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) list_work = kzalloc(sizeof(*list_work), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) if (!list_work) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) QEDI_ERR(&qedi->dbg_ctx, "Memory allocation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) goto abort_ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) qedi_cmd->type = TYPEIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) list_work->qedi_cmd = qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) list_work->rtid = cmd->task_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) list_work->state = QEDI_WORK_SCHEDULED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) qedi_cmd->list_tmf_work = list_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) "Queue tmf work=%p, list node=%p, cid=0x%x, tmf flags=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) list_work->ptr_tmf_work, list_work, qedi_conn->iscsi_conn_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) tmf_hdr->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) spin_lock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) list_add_tail(&list_work->list, &qedi_conn->tmf_work_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) spin_unlock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) qedi_iscsi_cleanup_task(ctask, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) rval = qedi_wait_for_cleanup_request(qedi, qedi_conn, ctask, qedi_cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) list_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) if (rval == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) "FW cleanup got escalated, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) goto ldel_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) if (tid == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) QEDI_ERR(&qedi->dbg_ctx, "Invalid tid, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) goto ldel_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) qedi_send_iscsi_tmf(qedi_conn, qedi_cmd->task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) abort_ret:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) clear_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) ldel_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) spin_lock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) if (qedi_cmd->list_tmf_work) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) list_del_init(&list_work->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) qedi_cmd->list_tmf_work = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) kfree(list_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) spin_unlock_bh(&qedi_conn->tmf_work_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) if (likely(cmd->io_cmd_in_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) cmd->io_cmd_in_list = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) list_del_init(&cmd->io_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) qedi_conn->active_cmd_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) clear_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) struct iscsi_task *mtask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) struct iscsi_tmf_request_hdr tmf_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) struct iscsi_conn *conn = qedi_conn->cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) struct iscsi_task *ctask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) struct iscsi_tm *tmf_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) struct qedi_cmd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) u32 scsi_lun[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) tmf_hdr = (struct iscsi_tm *)mtask->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) qedi_cmd = (struct qedi_cmd *)mtask->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) if (!ep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) memset(&tmf_pdu_header, 0, sizeof(tmf_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) qedi_update_itt_map(qedi, tid, mtask->itt, qedi_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) tmf_pdu_header.itt = qedi_set_itt(tid, get_itt(mtask->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) tmf_pdu_header.cmd_sn = be32_to_cpu(tmf_hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) memcpy(scsi_lun, &tmf_hdr->lun, sizeof(struct scsi_lun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) tmf_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) tmf_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) ISCSI_TM_FUNC_ABORT_TASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) ctask = iscsi_itt_to_task(conn, tmf_hdr->rtt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) if (!ctask || !ctask->sc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) QEDI_ERR(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) "Could not get reference task\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) cmd = (struct qedi_cmd *)ctask->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) tmf_pdu_header.rtt =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) qedi_set_itt(cmd->task_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) get_itt(tmf_hdr->rtt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) tmf_pdu_header.rtt = ISCSI_RESERVED_TAG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) tmf_pdu_header.opcode = tmf_hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) tmf_pdu_header.function = tmf_hdr->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) tmf_pdu_header.hdr_second_dword = ntoh24(tmf_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) tmf_pdu_header.ref_cmd_sn = be32_to_cpu(tmf_hdr->refcmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) task_params.cq_rss_number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) task_params.tx_io_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) task_params.rx_io_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) rval = init_initiator_tmf_request_task(&task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) &tmf_pdu_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) qedi_cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) int qedi_iscsi_abort_work(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) struct iscsi_task *mtask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) struct iscsi_tm *tmf_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) struct qedi_cmd *qedi_cmd = (struct qedi_cmd *)mtask->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) tmf_hdr = (struct iscsi_tm *)mtask->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) qedi_cmd->task = mtask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) /* If abort task then schedule the work and return */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) ISCSI_TM_FUNC_ABORT_TASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) qedi_cmd->state = CLEANUP_WAIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) INIT_WORK(&qedi_cmd->tmf_work, qedi_tmf_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) queue_work(qedi->tmf_thread, &qedi_cmd->tmf_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) } else if (((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) ISCSI_TM_FUNC_LOGICAL_UNIT_RESET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) ISCSI_TM_FUNC_TARGET_WARM_RESET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) ISCSI_TM_FUNC_TARGET_COLD_RESET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) if (tid == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) QEDI_ERR(&qedi->dbg_ctx, "Invalid tid, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) qedi_send_iscsi_tmf(qedi_conn, qedi_cmd->task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) QEDI_ERR(&qedi->dbg_ctx, "Invalid tmf, cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) int qedi_send_iscsi_text(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) struct iscsi_task *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) struct iscsi_text_request_hdr text_request_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) struct scsi_sgl_task_params tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) struct scsi_sgl_task_params rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) struct iscsi_text *text_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) struct scsi_sge *req_sge = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) struct scsi_sge *resp_sge = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) req_sge = (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) qedi_cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) text_hdr = (struct iscsi_text *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) memset(&text_request_pdu_header, 0, sizeof(text_request_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) text_request_pdu_header.opcode = text_hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) text_request_pdu_header.flags_attr = text_hdr->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) text_request_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) text_request_pdu_header.ttt = text_hdr->ttt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) text_request_pdu_header.cmd_sn = be32_to_cpu(text_hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) text_request_pdu_header.exp_stat_sn = be32_to_cpu(text_hdr->exp_statsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) text_request_pdu_header.hdr_second_dword = ntoh24(text_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) /* Fill tx AHS and rx buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) tx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) tx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) (u32)(qedi_conn->gen_pdu.req_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) tx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) tx_sgl_task_params.total_buffer_size = req_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) tx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) rx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) rx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) (u32)(qedi_conn->gen_pdu.resp_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) rx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) rx_sgl_task_params.total_buffer_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) rx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) task_params.cq_rss_number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) task_params.tx_io_size = ntoh24(text_hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) task_params.rx_io_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) rval = init_initiator_text_request_task(&task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) &text_request_pdu_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) &tx_sgl_task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) &rx_sgl_task_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) qedi_cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) char *datap, int data_len, int unsol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) struct iscsi_nop_out_hdr nop_out_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) struct scsi_sgl_task_params tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) struct scsi_sgl_task_params rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) struct qedi_ctx *qedi = qedi_conn->qedi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) struct iscsi_nopout *nopout_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) struct scsi_sge *resp_sge = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) struct qedi_cmd *qedi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) u32 scsi_lun[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) resp_sge = (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) qedi_cmd = (struct qedi_cmd *)task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) nopout_hdr = (struct iscsi_nopout *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) qedi_cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) memset(&nop_out_pdu_header, 0, sizeof(nop_out_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) nop_out_pdu_header.opcode = nopout_hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) SET_FIELD(nop_out_pdu_header.flags_attr, ISCSI_NOP_OUT_HDR_CONST1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) SET_FIELD(nop_out_pdu_header.flags_attr, ISCSI_NOP_OUT_HDR_RSRV, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) memcpy(scsi_lun, &nopout_hdr->lun, sizeof(struct scsi_lun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) nop_out_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) nop_out_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) nop_out_pdu_header.cmd_sn = be32_to_cpu(nopout_hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) nop_out_pdu_header.exp_stat_sn = be32_to_cpu(nopout_hdr->exp_statsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) qedi_update_itt_map(qedi, tid, task->itt, qedi_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) if (nopout_hdr->ttt != ISCSI_TTT_ALL_ONES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) nop_out_pdu_header.itt = be32_to_cpu(nopout_hdr->itt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) nop_out_pdu_header.ttt = be32_to_cpu(nopout_hdr->ttt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) nop_out_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) nop_out_pdu_header.ttt = ISCSI_TTT_ALL_ONES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) list_add_tail(&qedi_cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) qedi_cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) /* Fill tx AHS and rx buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) if (data_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) tx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) (struct scsi_sge *)qedi_conn->gen_pdu.req_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) tx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) (u32)(qedi_conn->gen_pdu.req_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) tx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) (u32)((u64)qedi_conn->gen_pdu.req_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) tx_sgl_task_params.total_buffer_size = data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) tx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) rx_sgl_task_params.sgl =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) (struct scsi_sge *)qedi_conn->gen_pdu.resp_bd_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) rx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) (u32)(qedi_conn->gen_pdu.resp_dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) rx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) (u32)((u64)qedi_conn->gen_pdu.resp_dma_addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) rx_sgl_task_params.total_buffer_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) rx_sgl_task_params.num_sges = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) task_params.cq_rss_number = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) task_params.tx_io_size = data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) task_params.rx_io_size = resp_sge->sge_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) rval = init_initiator_nop_out_task(&task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) &nop_out_pdu_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) &tx_sgl_task_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) &rx_sgl_task_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) static int qedi_split_bd(struct qedi_cmd *cmd, u64 addr, int sg_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) int bd_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) struct scsi_sge *bd = cmd->io_tbl.sge_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) int frag_size, sg_frags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) sg_frags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) while (sg_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) if (addr % QEDI_PAGE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) frag_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) (QEDI_PAGE_SIZE - (addr % QEDI_PAGE_SIZE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) frag_size = (sg_len > QEDI_BD_SPLIT_SZ) ? 0 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) (sg_len % QEDI_BD_SPLIT_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) if (frag_size == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) frag_size = QEDI_BD_SPLIT_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) bd[bd_index + sg_frags].sge_addr.lo = (addr & 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) bd[bd_index + sg_frags].sge_addr.hi = (addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) bd[bd_index + sg_frags].sge_len = (u16)frag_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) QEDI_INFO(&cmd->conn->qedi->dbg_ctx, QEDI_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) "split sge %d: addr=%llx, len=%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) (bd_index + sg_frags), addr, frag_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) addr += (u64)frag_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) sg_frags++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) sg_len -= frag_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) return sg_frags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) static int qedi_map_scsi_sg(struct qedi_ctx *qedi, struct qedi_cmd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) struct scsi_cmnd *sc = cmd->scsi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) struct scsi_sge *bd = cmd->io_tbl.sge_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) struct scatterlist *sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) int byte_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) int bd_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) int sg_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) int sg_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) int sg_frags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) u64 addr, end_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) WARN_ON(scsi_sg_count(sc) > QEDI_ISCSI_MAX_BDS_PER_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) sg_count = dma_map_sg(&qedi->pdev->dev, scsi_sglist(sc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) scsi_sg_count(sc), sc->sc_data_direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) * New condition to send single SGE as cached-SGL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) * Single SGE with length less than 64K.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) sg = scsi_sglist(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) if ((sg_count == 1) && (sg_dma_len(sg) <= MAX_SGLEN_FOR_CACHESGL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) sg_len = sg_dma_len(sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) addr = (u64)sg_dma_address(sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) bd[bd_count].sge_addr.lo = (addr & 0xffffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) bd[bd_count].sge_addr.hi = (addr >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) bd[bd_count].sge_len = (u16)sg_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) "single-cached-sgl: bd_count:%d addr=%llx, len=%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) sg_count, addr, sg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) return ++bd_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) scsi_for_each_sg(sc, sg, sg_count, i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) sg_len = sg_dma_len(sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) addr = (u64)sg_dma_address(sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) end_addr = (addr + sg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) * first sg elem in the 'list',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) * check if end addr is page-aligned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) if ((i == 0) && (sg_count > 1) && (end_addr % QEDI_PAGE_SIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) cmd->use_slowpath = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) * last sg elem in the 'list',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) * check if start addr is page-aligned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) else if ((i == (sg_count - 1)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) (sg_count > 1) && (addr % QEDI_PAGE_SIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) cmd->use_slowpath = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) * middle sg elements in list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) * check if start and end addr is page-aligned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) else if ((i != 0) && (i != (sg_count - 1)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) ((addr % QEDI_PAGE_SIZE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) (end_addr % QEDI_PAGE_SIZE)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) cmd->use_slowpath = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO, "sg[%d] size=0x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) i, sg_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) if (sg_len > QEDI_BD_SPLIT_SZ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) sg_frags = qedi_split_bd(cmd, addr, sg_len, bd_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) sg_frags = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) bd[bd_count].sge_addr.lo = addr & 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) bd[bd_count].sge_addr.hi = addr >> 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) bd[bd_count].sge_len = sg_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) byte_count += sg_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) bd_count += sg_frags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) if (byte_count != scsi_bufflen(sc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) QEDI_ERR(&qedi->dbg_ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) "byte_count = %d != scsi_bufflen = %d\n", byte_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) scsi_bufflen(sc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO, "byte_count = %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) byte_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) WARN_ON(byte_count != scsi_bufflen(sc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) return bd_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) static void qedi_iscsi_map_sg_list(struct qedi_cmd *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) int bd_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) struct scsi_cmnd *sc = cmd->scsi_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) if (scsi_sg_count(sc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) bd_count = qedi_map_scsi_sg(cmd->conn->qedi, cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) if (bd_count == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) struct scsi_sge *bd = cmd->io_tbl.sge_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) bd[0].sge_addr.lo = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) bd[0].sge_addr.hi = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) bd[0].sge_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) bd_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) cmd->io_tbl.sge_valid = bd_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) static void qedi_cpy_scsi_cdb(struct scsi_cmnd *sc, u32 *dstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) u32 dword;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) int lpcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) u8 *srcp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) lpcnt = sc->cmd_len / sizeof(dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) srcp = (u8 *)sc->cmnd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) while (lpcnt--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) memcpy(&dword, (const void *)srcp, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) *dstp = cpu_to_be32(dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) srcp += 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) dstp++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) if (sc->cmd_len & 0x3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) dword = (u32)srcp[0] | ((u32)srcp[1] << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) *dstp = cpu_to_be32(dword);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) void qedi_trace_io(struct qedi_ctx *qedi, struct iscsi_task *task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) u16 tid, int8_t direction)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) struct qedi_io_log *io_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) struct iscsi_conn *conn = task->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) struct qedi_conn *qedi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) struct scsi_cmnd *sc_cmd = task->sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) spin_lock_irqsave(&qedi->io_trace_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) io_log = &qedi->io_trace_buf[qedi->io_trace_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) io_log->direction = direction;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) io_log->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) io_log->cid = qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) io_log->lun = sc_cmd->device->lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) io_log->op = sc_cmd->cmnd[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) io_log->lba[0] = sc_cmd->cmnd[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) io_log->lba[1] = sc_cmd->cmnd[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) io_log->lba[2] = sc_cmd->cmnd[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) io_log->lba[3] = sc_cmd->cmnd[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) io_log->bufflen = scsi_bufflen(sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) io_log->sg_count = scsi_sg_count(sc_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) io_log->fast_sgs = qedi->fast_sgls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) io_log->cached_sgs = qedi->cached_sgls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) io_log->slow_sgs = qedi->slow_sgls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) io_log->cached_sge = qedi->use_cached_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) io_log->slow_sge = qedi->use_slow_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) io_log->fast_sge = qedi->use_fast_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) io_log->result = sc_cmd->result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) io_log->jiffies = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) io_log->blk_req_cpu = smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) if (direction == QEDI_IO_TRACE_REQ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) /* For requests we only care about the submission CPU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) io_log->req_cpu = smp_processor_id() % qedi->num_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) io_log->intr_cpu = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) io_log->blk_rsp_cpu = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) } else if (direction == QEDI_IO_TRACE_RSP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) io_log->req_cpu = smp_processor_id() % qedi->num_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) io_log->intr_cpu = qedi->intr_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) io_log->blk_rsp_cpu = smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) qedi->io_trace_idx++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) if (qedi->io_trace_idx == QEDI_IO_TRACE_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) qedi->io_trace_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) qedi->use_cached_sge = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) qedi->use_slow_sge = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) qedi->use_fast_sge = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) spin_unlock_irqrestore(&qedi->io_trace_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) int qedi_iscsi_send_ioreq(struct iscsi_task *task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) struct iscsi_conn *conn = task->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) struct iscsi_session *session = conn->session;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) struct Scsi_Host *shost = iscsi_session_to_shost(session->cls_session);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) struct qedi_ctx *qedi = iscsi_host_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) struct qedi_conn *qedi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) struct qedi_cmd *cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) struct scsi_cmnd *sc = task->sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) struct iscsi_cmd_hdr cmd_pdu_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) struct scsi_sgl_task_params tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) struct scsi_sgl_task_params rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) struct scsi_sgl_task_params *prx_sgl = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) struct scsi_sgl_task_params *ptx_sgl = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) struct iscsi_conn_params conn_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) struct scsi_initiator_cmd_params cmd_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) struct e4_iscsi_task_context *fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) struct iscsi_cls_conn *cls_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)task->hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) enum iscsi_task_type task_type = MAX_ISCSI_TASK_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) u32 scsi_lun[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) s16 tid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) u16 cq_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) cls_conn = qedi_conn->cls_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) conn = cls_conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) qedi_iscsi_map_sg_list(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) int_to_scsilun(sc->device->lun, (struct scsi_lun *)scsi_lun);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) tid = qedi_get_task_idx(qedi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) if (tid == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) fw_task_ctx =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) (struct e4_iscsi_task_context *)qedi_get_task_mem(&qedi->tasks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) tid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) memset(fw_task_ctx, 0, sizeof(struct e4_iscsi_task_context));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) cmd->task_id = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) memset(&cmd_pdu_header, 0, sizeof(cmd_pdu_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) memset(&tx_sgl_task_params, 0, sizeof(tx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) memset(&rx_sgl_task_params, 0, sizeof(rx_sgl_task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) memset(&conn_params, 0, sizeof(conn_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) memset(&cmd_params, 0, sizeof(cmd_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) cq_idx = smp_processor_id() % qedi->num_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) /* Update header info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) SET_FIELD(cmd_pdu_header.flags_attr, ISCSI_CMD_HDR_ATTR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) ISCSI_ATTR_SIMPLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) if (hdr->cdb[0] != TEST_UNIT_READY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) if (sc->sc_data_direction == DMA_TO_DEVICE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) SET_FIELD(cmd_pdu_header.flags_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) ISCSI_CMD_HDR_WRITE, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) task_type = ISCSI_TASK_TYPE_INITIATOR_WRITE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) SET_FIELD(cmd_pdu_header.flags_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) ISCSI_CMD_HDR_READ, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) task_type = ISCSI_TASK_TYPE_INITIATOR_READ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) cmd_pdu_header.lun.lo = be32_to_cpu(scsi_lun[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) cmd_pdu_header.lun.hi = be32_to_cpu(scsi_lun[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) qedi_update_itt_map(qedi, tid, task->itt, cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) cmd_pdu_header.itt = qedi_set_itt(tid, get_itt(task->itt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) cmd_pdu_header.expected_transfer_length = cpu_to_be32(hdr->data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) cmd_pdu_header.hdr_second_dword = ntoh24(hdr->dlength);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) cmd_pdu_header.cmd_sn = be32_to_cpu(hdr->cmdsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) cmd_pdu_header.hdr_first_byte = hdr->opcode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) qedi_cpy_scsi_cdb(sc, (u32 *)cmd_pdu_header.cdb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) /* Fill tx AHS and rx buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) if (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) tx_sgl_task_params.sgl = cmd->io_tbl.sge_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) tx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) (u32)(cmd->io_tbl.sge_tbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) tx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) tx_sgl_task_params.total_buffer_size = scsi_bufflen(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) tx_sgl_task_params.num_sges = cmd->io_tbl.sge_valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) if (cmd->use_slowpath)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) tx_sgl_task_params.small_mid_sge = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) } else if (task_type == ISCSI_TASK_TYPE_INITIATOR_READ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) rx_sgl_task_params.sgl = cmd->io_tbl.sge_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) rx_sgl_task_params.sgl_phys_addr.lo =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) (u32)(cmd->io_tbl.sge_tbl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) rx_sgl_task_params.sgl_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) rx_sgl_task_params.total_buffer_size = scsi_bufflen(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) rx_sgl_task_params.num_sges = cmd->io_tbl.sge_valid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) /* Add conn param */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) conn_params.first_burst_length = conn->session->first_burst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) conn_params.max_send_pdu_length = conn->max_xmit_dlength;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) conn_params.max_burst_length = conn->session->max_burst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) if (conn->session->initial_r2t_en)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) conn_params.initial_r2t = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) if (conn->session->imm_data_en)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) conn_params.immediate_data = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) /* Add cmd params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) cmd_params.sense_data_buffer_phys_addr.lo = (u32)cmd->sense_buffer_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) cmd_params.sense_data_buffer_phys_addr.hi =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) (u32)((u64)cmd->sense_buffer_dma >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) /* Fill fw input params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) task_params.context = fw_task_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) task_params.conn_icid = (u16)qedi_conn->iscsi_conn_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) task_params.itid = tid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) task_params.cq_rss_number = cq_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) if (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) task_params.tx_io_size = scsi_bufflen(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) else if (task_type == ISCSI_TASK_TYPE_INITIATOR_READ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) task_params.rx_io_size = scsi_bufflen(sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) "%s: %s-SGL: sg_len=0x%x num_sges=0x%x first-sge-lo=0x%x first-sge-hi=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) (task_type == ISCSI_TASK_TYPE_INITIATOR_WRITE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) "Write " : "Read ", (cmd->io_tbl.sge_valid == 1) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) "Single" : (cmd->use_slowpath ? "SLOW" : "FAST"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) (u16)cmd->io_tbl.sge_valid, scsi_bufflen(sc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) (u32)(cmd->io_tbl.sge_tbl_dma),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) (u32)((u64)cmd->io_tbl.sge_tbl_dma >> 32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) if (task_params.tx_io_size != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) ptx_sgl = &tx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) if (task_params.rx_io_size != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) prx_sgl = &rx_sgl_task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) rval = init_initiator_rw_iscsi_task(&task_params, &conn_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) &cmd_params, &cmd_pdu_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) ptx_sgl, prx_sgl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) spin_lock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) list_add_tail(&cmd->io_cmd, &qedi_conn->active_cmd_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) cmd->io_cmd_in_list = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) qedi_conn->active_cmd_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) spin_unlock(&qedi_conn->list_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) int qedi_iscsi_cleanup_task(struct iscsi_task *task, bool mark_cmd_node_deleted)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) struct iscsi_task_params task_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) struct qedi_endpoint *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) struct iscsi_conn *conn = task->conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) struct qedi_conn *qedi_conn = conn->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) struct qedi_cmd *cmd = task->dd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) u16 sq_idx = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) int rval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) QEDI_INFO(&qedi_conn->qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) "issue cleanup tid=0x%x itt=0x%x task_state=%d cmd_state=0%x cid=0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) cmd->task_id, get_itt(task->itt), task->state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) cmd->state, qedi_conn->iscsi_conn_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) memset(&task_params, 0, sizeof(task_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) ep = qedi_conn->ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) sq_idx = qedi_get_wqe_idx(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) task_params.sqe = &ep->sq[sq_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) memset(task_params.sqe, 0, sizeof(struct iscsi_wqe));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) task_params.itid = cmd->task_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) rval = init_cleanup_task(&task_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) qedi_ring_doorbell(qedi_conn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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