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The QLogic FastLinQ Driver for iSCSI (qedi) is the iSCSI specific module for 41000 Series Converged Network Adapters by QLogic. This patch consists of following changes: - MAINTAINERS Makefile and Kconfig changes for qedi, - PCI driver registration, - iSCSI host level initialization, - Debugfs and log level infrastructure. The following indiviual changes are merged into this commit: qedi: Add LL2 iSCSI interface for offload iSCSI. qedi: Add support for iSCSI session management. qedi: Add support for data path. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com> Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
74 lines
3.0 KiB
C
74 lines
3.0 KiB
C
/*
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* QLogic iSCSI Offload Driver
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* Copyright (c) 2016 Cavium Inc.
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*
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* This software is available under the terms of the GNU General Public License
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* (GPL) Version 2, available from the file COPYING in the main directory of
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* this source tree.
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*/
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#ifndef _QEDI_GBL_H_
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#define _QEDI_GBL_H_
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#include "qedi_iscsi.h"
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extern uint qedi_io_tracing;
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extern int do_not_recover;
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extern struct scsi_host_template qedi_host_template;
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extern struct iscsi_transport qedi_iscsi_transport;
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extern const struct qed_iscsi_ops *qedi_ops;
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extern struct qedi_debugfs_ops qedi_debugfs_ops;
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extern const struct file_operations qedi_dbg_fops;
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extern struct device_attribute *qedi_shost_attrs[];
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int qedi_alloc_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
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void qedi_free_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
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int qedi_send_iscsi_login(struct qedi_conn *qedi_conn,
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struct iscsi_task *task);
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int qedi_send_iscsi_logout(struct qedi_conn *qedi_conn,
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struct iscsi_task *task);
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int qedi_iscsi_abort_work(struct qedi_conn *qedi_conn,
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struct iscsi_task *mtask);
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int qedi_send_iscsi_text(struct qedi_conn *qedi_conn,
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struct iscsi_task *task);
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int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn,
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struct iscsi_task *task,
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char *datap, int data_len, int unsol);
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int qedi_iscsi_send_ioreq(struct iscsi_task *task);
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int qedi_get_task_idx(struct qedi_ctx *qedi);
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void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx);
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int qedi_iscsi_cleanup_task(struct iscsi_task *task,
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bool mark_cmd_node_deleted);
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void qedi_iscsi_unmap_sg_list(struct qedi_cmd *cmd);
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void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt,
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struct qedi_cmd *qedi_cmd);
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void qedi_get_proto_itt(struct qedi_ctx *qedi, u32 tid, u32 *proto_itt);
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void qedi_get_task_tid(struct qedi_ctx *qedi, u32 itt, int16_t *tid);
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void qedi_process_iscsi_error(struct qedi_endpoint *ep,
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struct async_data *data);
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void qedi_start_conn_recovery(struct qedi_ctx *qedi,
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struct qedi_conn *qedi_conn);
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struct qedi_conn *qedi_get_conn_from_id(struct qedi_ctx *qedi, u32 iscsi_cid);
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void qedi_process_tcp_error(struct qedi_endpoint *ep, struct async_data *data);
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void qedi_mark_device_missing(struct iscsi_cls_session *cls_session);
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void qedi_mark_device_available(struct iscsi_cls_session *cls_session);
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void qedi_reset_host_mtu(struct qedi_ctx *qedi, u16 mtu);
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int qedi_recover_all_conns(struct qedi_ctx *qedi);
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void qedi_fp_process_cqes(struct qedi_work *work);
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int qedi_cleanup_all_io(struct qedi_ctx *qedi,
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struct qedi_conn *qedi_conn,
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struct iscsi_task *task, bool in_recovery);
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void qedi_trace_io(struct qedi_ctx *qedi, struct iscsi_task *task,
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u16 tid, int8_t direction);
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int qedi_alloc_id(struct qedi_portid_tbl *id_tbl, u16 id);
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u16 qedi_alloc_new_id(struct qedi_portid_tbl *id_tbl);
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void qedi_free_id(struct qedi_portid_tbl *id_tbl, u16 id);
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int qedi_create_sysfs_ctx_attr(struct qedi_ctx *qedi);
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void qedi_remove_sysfs_ctx_attr(struct qedi_ctx *qedi);
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void qedi_clearsq(struct qedi_ctx *qedi,
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struct qedi_conn *qedi_conn,
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struct iscsi_task *task);
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#endif
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