forked from luck/tmp_suning_uos_patched
ace7f46ba5
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>
145 lines
4.4 KiB
C
145 lines
4.4 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_DBG_H_
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#define _QEDI_DBG_H_
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/compiler.h>
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#include <linux/string.h>
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#include <linux/version.h>
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <scsi/scsi_transport.h>
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#include <scsi/scsi_transport_iscsi.h>
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#include <linux/fs.h>
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#define __PREVENT_QED_HSI__
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#include <linux/qed/common_hsi.h>
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#include <linux/qed/qed_if.h>
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extern uint qedi_dbg_log;
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/* Debug print level definitions */
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#define QEDI_LOG_DEFAULT 0x1 /* Set default logging mask */
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#define QEDI_LOG_INFO 0x2 /* Informational logs,
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* MAC address, WWPN, WWNN
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*/
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#define QEDI_LOG_DISC 0x4 /* Init, discovery, rport */
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#define QEDI_LOG_LL2 0x8 /* LL2, VLAN logs */
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#define QEDI_LOG_CONN 0x10 /* Connection setup, cleanup */
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#define QEDI_LOG_EVT 0x20 /* Events, link, mtu */
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#define QEDI_LOG_TIMER 0x40 /* Timer events */
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#define QEDI_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */
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#define QEDI_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */
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#define QEDI_LOG_UNSOL 0x200 /* unsolicited event logs */
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#define QEDI_LOG_IO 0x400 /* scsi cmd, completion */
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#define QEDI_LOG_MQ 0x800 /* Multi Queue logs */
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#define QEDI_LOG_BSG 0x1000 /* BSG logs */
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#define QEDI_LOG_DEBUGFS 0x2000 /* debugFS logs */
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#define QEDI_LOG_LPORT 0x4000 /* lport logs */
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#define QEDI_LOG_ELS 0x8000 /* ELS logs */
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#define QEDI_LOG_NPIV 0x10000 /* NPIV logs */
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#define QEDI_LOG_SESS 0x20000 /* Conection setup, cleanup */
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#define QEDI_LOG_UIO 0x40000 /* iSCSI UIO logs */
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#define QEDI_LOG_TID 0x80000 /* FW TID context acquire,
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* free
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*/
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#define QEDI_TRACK_TID 0x100000 /* Track TID state. To be
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* enabled only at module load
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* and not run-time.
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*/
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#define QEDI_TRACK_CMD_LIST 0x300000 /* Track active cmd list nodes,
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* done with reference to TID,
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* hence TRACK_TID also enabled.
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*/
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#define QEDI_LOG_NOTICE 0x40000000 /* Notice logs */
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#define QEDI_LOG_WARN 0x80000000 /* Warning logs */
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/* Debug context structure */
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struct qedi_dbg_ctx {
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unsigned int host_no;
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struct pci_dev *pdev;
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#ifdef CONFIG_DEBUG_FS
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struct dentry *bdf_dentry;
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#endif
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};
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#define QEDI_ERR(pdev, fmt, ...) \
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qedi_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
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#define QEDI_WARN(pdev, fmt, ...) \
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qedi_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
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#define QEDI_NOTICE(pdev, fmt, ...) \
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qedi_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
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#define QEDI_INFO(pdev, level, fmt, ...) \
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qedi_dbg_info(pdev, __func__, __LINE__, level, fmt, \
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## __VA_ARGS__)
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void qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
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const char *fmt, ...);
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void qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
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const char *fmt, ...);
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void qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
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const char *fmt, ...);
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void qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line,
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u32 info, const char *fmt, ...);
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struct Scsi_Host;
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struct sysfs_bin_attrs {
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char *name;
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struct bin_attribute *attr;
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};
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int qedi_create_sysfs_attr(struct Scsi_Host *shost,
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struct sysfs_bin_attrs *iter);
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void qedi_remove_sysfs_attr(struct Scsi_Host *shost,
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struct sysfs_bin_attrs *iter);
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#ifdef CONFIG_DEBUG_FS
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/* DebugFS related code */
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struct qedi_list_of_funcs {
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char *oper_str;
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ssize_t (*oper_func)(struct qedi_dbg_ctx *qedi);
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};
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struct qedi_debugfs_ops {
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char *name;
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struct qedi_list_of_funcs *qedi_funcs;
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};
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#define qedi_dbg_fileops(drv, ops) \
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{ \
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.owner = THIS_MODULE, \
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.open = simple_open, \
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.read = drv##_dbg_##ops##_cmd_read, \
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.write = drv##_dbg_##ops##_cmd_write \
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}
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/* Used for debugfs sequential files */
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#define qedi_dbg_fileops_seq(drv, ops) \
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{ \
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.owner = THIS_MODULE, \
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.open = drv##_dbg_##ops##_open, \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.release = single_release, \
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}
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void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi,
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struct qedi_debugfs_ops *dops,
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const struct file_operations *fops);
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void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi);
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void qedi_dbg_init(char *drv_name);
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void qedi_dbg_exit(void);
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#endif /* CONFIG_DEBUG_FS */
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#endif /* _QEDI_DBG_H_ */
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