alistair23-linux/drivers/scsi/qedf/qedf_dbg.h
Dupuis, Chad 61d8658b4a scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.
The QLogic FastLinQ Driver for FCoE (qedf) is the FCoE specific module
for 41000 Series Converged Network Adapters by QLogic. This patch
consists of following changes:

- MAINTAINERS Makefile and Kconfig changes for qedf
- PCI driver registration
- libfc/fcoe host level initialization
- SCSI host template initialization and callbacks
- Debugfs and log level infrastructure
- Link handling
- Firmware interface structures
- QED core module initialization
- Light L2 interface callbacks
- I/O request initialization
- Firmware I/O completion handling
- Firmware ELS request/response handling
- FIP request/response handled by the driver itself

Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com>
Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com>
Signed-off-by: Arun Easi <arun.easi@cavium.com>
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-02-22 19:10:59 -05:00

155 lines
4.8 KiB
C

/*
* QLogic FCoE 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 _QEDF_DBG_H_
#define _QEDF_DBG_H_
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/string.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <scsi/scsi_transport.h>
#include <linux/fs.h>
#include <linux/qed/common_hsi.h>
#include <linux/qed/qed_if.h>
extern uint qedf_debug;
/* Debug print level definitions */
#define QEDF_LOG_DEFAULT 0x1 /* Set default logging mask */
#define QEDF_LOG_INFO 0x2 /*
* Informational logs,
* MAC address, WWPN, WWNN
*/
#define QEDF_LOG_DISC 0x4 /* Init, discovery, rport */
#define QEDF_LOG_LL2 0x8 /* LL2, VLAN logs */
#define QEDF_LOG_CONN 0x10 /* Connection setup, cleanup */
#define QEDF_LOG_EVT 0x20 /* Events, link, mtu */
#define QEDF_LOG_TIMER 0x40 /* Timer events */
#define QEDF_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */
#define QEDF_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */
#define QEDF_LOG_UNSOL 0x200 /* unsolicited event logs */
#define QEDF_LOG_IO 0x400 /* scsi cmd, completion */
#define QEDF_LOG_MQ 0x800 /* Multi Queue logs */
#define QEDF_LOG_BSG 0x1000 /* BSG logs */
#define QEDF_LOG_DEBUGFS 0x2000 /* debugFS logs */
#define QEDF_LOG_LPORT 0x4000 /* lport logs */
#define QEDF_LOG_ELS 0x8000 /* ELS logs */
#define QEDF_LOG_NPIV 0x10000 /* NPIV logs */
#define QEDF_LOG_SESS 0x20000 /* Conection setup, cleanup */
#define QEDF_LOG_TID 0x80000 /*
* FW TID context acquire
* free
*/
#define QEDF_TRACK_TID 0x100000 /*
* Track TID state. To be
* enabled only at module load
* and not run-time.
*/
#define QEDF_TRACK_CMD_LIST 0x300000 /*
* Track active cmd list nodes,
* done with reference to TID,
* hence TRACK_TID also enabled.
*/
#define QEDF_LOG_NOTICE 0x40000000 /* Notice logs */
#define QEDF_LOG_WARN 0x80000000 /* Warning logs */
/* Debug context structure */
struct qedf_dbg_ctx {
unsigned int host_no;
struct pci_dev *pdev;
#ifdef CONFIG_DEBUG_FS
struct dentry *bdf_dentry;
#endif
};
#define QEDF_ERR(pdev, fmt, ...) \
qedf_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
#define QEDF_WARN(pdev, fmt, ...) \
qedf_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
#define QEDF_NOTICE(pdev, fmt, ...) \
qedf_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__)
#define QEDF_INFO(pdev, level, fmt, ...) \
qedf_dbg_info(pdev, __func__, __LINE__, level, fmt, \
## __VA_ARGS__)
extern void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
const char *fmt, ...);
extern void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
const char *, ...);
extern void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func,
u32 line, const char *, ...);
extern void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
u32 info, const char *fmt, ...);
/* GRC Dump related defines */
struct Scsi_Host;
#define QEDF_UEVENT_CODE_GRCDUMP 0
struct sysfs_bin_attrs {
char *name;
struct bin_attribute *attr;
};
extern int qedf_alloc_grc_dump_buf(uint8_t **buf, uint32_t len);
extern void qedf_free_grc_dump_buf(uint8_t **buf);
extern int qedf_get_grc_dump(struct qed_dev *cdev,
const struct qed_common_ops *common, uint8_t **buf,
uint32_t *grcsize);
extern void qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg);
extern int qedf_create_sysfs_attr(struct Scsi_Host *shost,
struct sysfs_bin_attrs *iter);
extern void qedf_remove_sysfs_attr(struct Scsi_Host *shost,
struct sysfs_bin_attrs *iter);
#ifdef CONFIG_DEBUG_FS
/* DebugFS related code */
struct qedf_list_of_funcs {
char *oper_str;
ssize_t (*oper_func)(struct qedf_dbg_ctx *qedf);
};
struct qedf_debugfs_ops {
char *name;
struct qedf_list_of_funcs *qedf_funcs;
};
#define qedf_dbg_fileops(drv, ops) \
{ \
.owner = THIS_MODULE, \
.open = simple_open, \
.read = drv##_dbg_##ops##_cmd_read, \
.write = drv##_dbg_##ops##_cmd_write \
}
/* Used for debugfs sequential files */
#define qedf_dbg_fileops_seq(drv, ops) \
{ \
.owner = THIS_MODULE, \
.open = drv##_dbg_##ops##_open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
}
extern void qedf_dbg_host_init(struct qedf_dbg_ctx *qedf,
struct qedf_debugfs_ops *dops,
struct file_operations *fops);
extern void qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf);
extern void qedf_dbg_init(char *drv_name);
extern void qedf_dbg_exit(void);
#endif /* CONFIG_DEBUG_FS */
#endif /* _QEDF_DBG_H_ */