linux-stable/drivers/scsi/qedi/qedi_gbl.h
Arnd Bergmann bd571195c9 scsi: qedi: fix build error without DEBUG_FS
Without CONFIG_DEBUG_FS, we run into a link error:

drivers/scsi/qedi/qedi_iscsi.o: In function `qedi_ep_poll':
qedi_iscsi.c:(.text.qedi_ep_poll+0x134): undefined reference to `do_not_recover'
drivers/scsi/qedi/qedi_iscsi.o: In function `qedi_ep_disconnect':
qedi_iscsi.c:(.text.qedi_ep_disconnect+0x36c): undefined reference to `do_not_recover'
drivers/scsi/qedi/qedi_iscsi.o: In function `qedi_ep_connect':
qedi_iscsi.c:(.text.qedi_ep_connect+0x350): undefined reference to `do_not_recover'
drivers/scsi/qedi/qedi_fw.o: In function `qedi_tmf_work':
qedi_fw.c:(.text.qedi_tmf_work+0x3b4): undefined reference to `do_not_recover'

This defines the symbol as a constant in this case, as there is no way to
set it to anything other than zero without DEBUG_FS. In addition, I'm renaming
it to qedi_do_not_recover in order to put it into a driver specific namespace,
as "do_not_recover" is a really bad name for a kernel-wide global identifier
when it is used only in one driver.

Fixes: ace7f46ba5 ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-03-06 22:22:16 -05:00

79 lines
3.1 KiB
C

/*
* QLogic iSCSI Offload Driver
* Copyright (c) 2016 Cavium Inc.
*
* This software is available under the terms of the GNU General Public License
* (GPL) Version 2, available from the file COPYING in the main directory of
* this source tree.
*/
#ifndef _QEDI_GBL_H_
#define _QEDI_GBL_H_
#include "qedi_iscsi.h"
#ifdef CONFIG_DEBUG_FS
extern int qedi_do_not_recover;
#else
#define qedi_do_not_recover (0)
#endif
extern uint qedi_io_tracing;
extern struct scsi_host_template qedi_host_template;
extern struct iscsi_transport qedi_iscsi_transport;
extern const struct qed_iscsi_ops *qedi_ops;
extern struct qedi_debugfs_ops qedi_debugfs_ops;
extern const struct file_operations qedi_dbg_fops;
extern struct device_attribute *qedi_shost_attrs[];
int qedi_alloc_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
void qedi_free_sq(struct qedi_ctx *qedi, struct qedi_endpoint *ep);
int qedi_send_iscsi_login(struct qedi_conn *qedi_conn,
struct iscsi_task *task);
int qedi_send_iscsi_logout(struct qedi_conn *qedi_conn,
struct iscsi_task *task);
int qedi_iscsi_abort_work(struct qedi_conn *qedi_conn,
struct iscsi_task *mtask);
int qedi_send_iscsi_text(struct qedi_conn *qedi_conn,
struct iscsi_task *task);
int qedi_send_iscsi_nopout(struct qedi_conn *qedi_conn,
struct iscsi_task *task,
char *datap, int data_len, int unsol);
int qedi_iscsi_send_ioreq(struct iscsi_task *task);
int qedi_get_task_idx(struct qedi_ctx *qedi);
void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx);
int qedi_iscsi_cleanup_task(struct iscsi_task *task,
bool mark_cmd_node_deleted);
void qedi_iscsi_unmap_sg_list(struct qedi_cmd *cmd);
void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt,
struct qedi_cmd *qedi_cmd);
void qedi_get_proto_itt(struct qedi_ctx *qedi, u32 tid, u32 *proto_itt);
void qedi_get_task_tid(struct qedi_ctx *qedi, u32 itt, int16_t *tid);
void qedi_process_iscsi_error(struct qedi_endpoint *ep,
struct async_data *data);
void qedi_start_conn_recovery(struct qedi_ctx *qedi,
struct qedi_conn *qedi_conn);
struct qedi_conn *qedi_get_conn_from_id(struct qedi_ctx *qedi, u32 iscsi_cid);
void qedi_process_tcp_error(struct qedi_endpoint *ep, struct async_data *data);
void qedi_mark_device_missing(struct iscsi_cls_session *cls_session);
void qedi_mark_device_available(struct iscsi_cls_session *cls_session);
void qedi_reset_host_mtu(struct qedi_ctx *qedi, u16 mtu);
int qedi_recover_all_conns(struct qedi_ctx *qedi);
void qedi_fp_process_cqes(struct qedi_work *work);
int qedi_cleanup_all_io(struct qedi_ctx *qedi,
struct qedi_conn *qedi_conn,
struct iscsi_task *task, bool in_recovery);
void qedi_trace_io(struct qedi_ctx *qedi, struct iscsi_task *task,
u16 tid, int8_t direction);
int qedi_alloc_id(struct qedi_portid_tbl *id_tbl, u16 id);
u16 qedi_alloc_new_id(struct qedi_portid_tbl *id_tbl);
void qedi_free_id(struct qedi_portid_tbl *id_tbl, u16 id);
int qedi_create_sysfs_ctx_attr(struct qedi_ctx *qedi);
void qedi_remove_sysfs_ctx_attr(struct qedi_ctx *qedi);
void qedi_clearsq(struct qedi_ctx *qedi,
struct qedi_conn *qedi_conn,
struct iscsi_task *task);
#endif