1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * QLogic iSCSI Offload Driver 4 * Copyright (c) 2016 Cavium Inc. 5 */ 6 7#ifndef _QEDI_DBG_H_ 8#define _QEDI_DBG_H_ 9 10#include <linux/types.h> 11#include <linux/kernel.h> 12#include <linux/compiler.h> 13#include <linux/string.h> 14#include <linux/pci.h> 15#include <linux/delay.h> 16#include <scsi/scsi_transport.h> 17#include <scsi/scsi_transport_iscsi.h> 18#include <linux/fs.h> 19 20#define __PREVENT_QED_HSI__ 21#include <linux/qed/common_hsi.h> 22#include <linux/qed/qed_if.h> 23 24extern uint qedi_dbg_log; 25 26/* Debug print level definitions */ 27#define QEDI_LOG_DEFAULT 0x1 /* Set default logging mask */ 28#define QEDI_LOG_INFO 0x2 /* Informational logs, 29 * MAC address, WWPN, WWNN 30 */ 31#define QEDI_LOG_DISC 0x4 /* Init, discovery, rport */ 32#define QEDI_LOG_LL2 0x8 /* LL2, VLAN logs */ 33#define QEDI_LOG_CONN 0x10 /* Connection setup, cleanup */ 34#define QEDI_LOG_EVT 0x20 /* Events, link, mtu */ 35#define QEDI_LOG_TIMER 0x40 /* Timer events */ 36#define QEDI_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */ 37#define QEDI_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */ 38#define QEDI_LOG_UNSOL 0x200 /* unsolicited event logs */ 39#define QEDI_LOG_IO 0x400 /* scsi cmd, completion */ 40#define QEDI_LOG_MQ 0x800 /* Multi Queue logs */ 41#define QEDI_LOG_BSG 0x1000 /* BSG logs */ 42#define QEDI_LOG_DEBUGFS 0x2000 /* debugFS logs */ 43#define QEDI_LOG_LPORT 0x4000 /* lport logs */ 44#define QEDI_LOG_ELS 0x8000 /* ELS logs */ 45#define QEDI_LOG_NPIV 0x10000 /* NPIV logs */ 46#define QEDI_LOG_SESS 0x20000 /* Connection setup, cleanup */ 47#define QEDI_LOG_UIO 0x40000 /* iSCSI UIO logs */ 48#define QEDI_LOG_TID 0x80000 /* FW TID context acquire, 49 * free 50 */ 51#define QEDI_TRACK_TID 0x100000 /* Track TID state. To be 52 * enabled only at module load 53 * and not run-time. 54 */ 55#define QEDI_TRACK_CMD_LIST 0x300000 /* Track active cmd list nodes, 56 * done with reference to TID, 57 * hence TRACK_TID also enabled. 58 */ 59#define QEDI_LOG_NOTICE 0x40000000 /* Notice logs */ 60#define QEDI_LOG_WARN 0x80000000 /* Warning logs */ 61 62/* Debug context structure */ 63struct qedi_dbg_ctx { 64 unsigned int host_no; 65 struct pci_dev *pdev; 66#ifdef CONFIG_DEBUG_FS 67 struct dentry *bdf_dentry; 68#endif 69}; 70 71#define QEDI_ERR(pdev, fmt, ...) \ 72 qedi_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 73#define QEDI_WARN(pdev, fmt, ...) \ 74 qedi_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 75#define QEDI_NOTICE(pdev, fmt, ...) \ 76 qedi_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 77#define QEDI_INFO(pdev, level, fmt, ...) \ 78 qedi_dbg_info(pdev, __func__, __LINE__, level, fmt, \ 79 ## __VA_ARGS__) 80 81void qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 82 const char *fmt, ...); 83void qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 84 const char *fmt, ...); 85void qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 86 const char *fmt, ...); 87void qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 88 u32 info, const char *fmt, ...); 89 90struct Scsi_Host; 91 92struct sysfs_bin_attrs { 93 char *name; 94 struct bin_attribute *attr; 95}; 96 97int qedi_create_sysfs_attr(struct Scsi_Host *shost, 98 struct sysfs_bin_attrs *iter); 99void qedi_remove_sysfs_attr(struct Scsi_Host *shost, 100 struct sysfs_bin_attrs *iter); 101 102/* DebugFS related code */ 103struct qedi_list_of_funcs { 104 char *oper_str; 105 ssize_t (*oper_func)(struct qedi_dbg_ctx *qedi); 106}; 107 108struct qedi_debugfs_ops { 109 char *name; 110 struct qedi_list_of_funcs *qedi_funcs; 111}; 112 113#define qedi_dbg_fileops(drv, ops) \ 114{ \ 115 .owner = THIS_MODULE, \ 116 .open = simple_open, \ 117 .read = drv##_dbg_##ops##_cmd_read, \ 118 .write = drv##_dbg_##ops##_cmd_write \ 119} 120 121/* Used for debugfs sequential files */ 122#define qedi_dbg_fileops_seq(drv, ops) \ 123{ \ 124 .owner = THIS_MODULE, \ 125 .open = drv##_dbg_##ops##_open, \ 126 .read = seq_read, \ 127 .llseek = seq_lseek, \ 128 .release = single_release, \ 129} 130 131void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi, 132 const struct qedi_debugfs_ops *dops, 133 const struct file_operations *fops); 134void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi); 135void qedi_dbg_init(char *drv_name); 136void qedi_dbg_exit(void); 137 138#endif /* _QEDI_DBG_H_ */ 139